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31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
8167ee88 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
31e31b8a 18 */
d5b3a9b6 19#define _ATFILE_SOURCE
31e31b8a
FB		 20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
82e671d9 30#include <limits.h>
31e31b8a 31#include <sys/types.h>
d08d3bb8
TS		 32#include <sys/ipc.h>
33#include <sys/msg.h>
31e31b8a
FB		 34#include <sys/wait.h>
35#include <sys/time.h>
36#include <sys/stat.h>
37#include <sys/mount.h>
39b9aae1 38#include <sys/prctl.h>
31e31b8a
FB		 39#include <sys/resource.h>
40#include <sys/mman.h>
41#include <sys/swap.h>
42#include <signal.h>
43#include <sched.h>
60e99246
AJ		 44#ifdef __ia64__
45int __clone2(int (*fn)(void *), void *child_stack_base,
46 size_t stack_size, int flags, void *arg, ...);
47#endif
31e31b8a 48#include <sys/socket.h>
607175e0 49#include <sys/un.h>
31e31b8a 50#include <sys/uio.h>
9de5e440 51#include <sys/poll.h>
32f36bce 52#include <sys/times.h>
8853f86e 53#include <sys/shm.h>
fa294816 54#include <sys/sem.h>
56c8f68f 55#include <sys/statfs.h>
ebc05488 56#include <utime.h>
a5448a7d 57#include <sys/sysinfo.h>
3b3f24ad 58#include <sys/utsname.h>
72f03900 59//#include <sys/user.h>
8853f86e 60#include <netinet/ip.h>
7854b056 61#include <netinet/tcp.h>
0b6d3ae0 62#include <qemu-common.h>
9788c9ca 63#ifdef TARGET_GPROF
6d946cda
AJ		 64#include <sys/gmon.h>
65#endif
c2882b96
RV		 66#ifdef CONFIG_EVENTFD
67#include <sys/eventfd.h>
68#endif
3b6edd16
PM		 69#ifdef CONFIG_EPOLL
70#include <sys/epoll.h>
71#endif
31e31b8a
FB		 72
73#define termios host_termios
74#define winsize host_winsize
75#define termio host_termio
04369ff2
FB		 76#define sgttyb host_sgttyb /* same as target */
77#define tchars host_tchars /* same as target */
78#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 79
80#include <linux/termios.h>
81#include <linux/unistd.h>
82#include <linux/utsname.h>
83#include <linux/cdrom.h>
84#include <linux/hdreg.h>
85#include <linux/soundcard.h>
19b84f3c 86#include <linux/kd.h>
8fbd6b52 87#include <linux/mtio.h>
350d1779 88#include <linux/fs.h>
dace20dc 89#if defined(CONFIG_FIEMAP)
285da2b9 90#include <linux/fiemap.h>
dace20dc 91#endif
f7680a55
UH		 92#include <linux/fb.h>
93#include <linux/vt.h>
d7e4036e 94#include "linux_loop.h"
da79030f 95#include "cpu-uname.h"
31e31b8a 96
3ef693a0 97#include "qemu.h"
526ccb7a 98#include "qemu-common.h"
31e31b8a 99
2f7bb878 100#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 101#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
102 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
103#else
104/* XXX: Hardcode the above values. */
105#define CLONE_NPTL_FLAGS2 0
30813cea
PB		 106#endif
107
72f03900 108//#define DEBUG
31e31b8a 109
1a9353d2 110//#include <linux/msdos_fs.h>
6556a833
AJ		 111#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
112#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 113
70a194b9 114
70a194b9
FB		 115#undef _syscall0
116#undef _syscall1
117#undef _syscall2
118#undef _syscall3
119#undef _syscall4
120#undef _syscall5
83fcb515 121#undef _syscall6
70a194b9 122
83fcb515 123#define _syscall0(type,name) \
8fcd3692 124static type name (void) \
83fcb515
FB		 125{ \
126 return syscall(__NR_##name); \
127}
70a194b9 128
83fcb515 129#define _syscall1(type,name,type1,arg1) \
8fcd3692 130static type name (type1 arg1) \
83fcb515
FB		 131{ \
132 return syscall(__NR_##name, arg1); \
70a194b9
FB		 133}
134
83fcb515 135#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 136static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 137{ \
138 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 139}
140
83fcb515 141#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 142static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 143{ \
144 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 145}
146
83fcb515 147#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 148static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 149{ \
150 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 151}
152
83fcb515
FB		 153#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
154 type5,arg5) \
8fcd3692 155static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 156{ \
157 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 158}
159
83fcb515
FB		 160
161#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
162 type5,arg5,type6,arg6) \
8fcd3692
BS		 163static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
164 type6 arg6) \
83fcb515
FB		 165{ \
166 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 167}
83fcb515 168
70a194b9 169
31e31b8a 170#define __NR_sys_uname __NR_uname
92a34c10 171#define __NR_sys_faccessat __NR_faccessat
814d7977 172#define __NR_sys_fchmodat __NR_fchmodat
ccfa72b7 173#define __NR_sys_fchownat __NR_fchownat
6a24a778 174#define __NR_sys_fstatat64 __NR_fstatat64
ac8a6556 175#define __NR_sys_futimesat __NR_futimesat
72f03900 176#define __NR_sys_getcwd1 __NR_getcwd
72f03900 177#define __NR_sys_getdents __NR_getdents
dab2ed99 178#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 179#define __NR_sys_getpriority __NR_getpriority
64f0ce4c 180#define __NR_sys_linkat __NR_linkat
4472ad0d 181#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 182#define __NR_sys_mknodat __NR_mknodat
9d33b76b 183#define __NR_sys_newfstatat __NR_newfstatat
82424832 184#define __NR_sys_openat __NR_openat
5e0ccb18 185#define __NR_sys_readlinkat __NR_readlinkat
722183f6 186#define __NR_sys_renameat __NR_renameat
66fb9763 187#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
f0b6243d 188#define __NR_sys_symlinkat __NR_symlinkat
7494b0f9 189#define __NR_sys_syslog __NR_syslog
71455574 190#define __NR_sys_tgkill __NR_tgkill
4cae1d16 191#define __NR_sys_tkill __NR_tkill
8170f56b 192#define __NR_sys_unlinkat __NR_unlinkat
9007f0ef 193#define __NR_sys_utimensat __NR_utimensat
bd0c5661 194#define __NR_sys_futex __NR_futex
39b59763
AJ		 195#define __NR_sys_inotify_init __NR_inotify_init
196#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
197#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 198
bc51c5c9 199#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 200#define __NR__llseek __NR_lseek
201#endif
202
72f03900 203#ifdef __NR_gettid
31e31b8a 204_syscall0(int, gettid)
72f03900 205#else
0da46a6e
TS		 206/* This is a replacement for the host gettid() and must return a host
207 errno. */
72f03900
FB		 208static int gettid(void) {
209 return -ENOSYS;
210}
211#endif
3b3f24ad 212_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3b3f24ad
AJ		 213#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
214_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
215#endif
216_syscall2(int, sys_getpriority, int, which, int, who);
d35b261c 217#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
3b3f24ad
AJ		 218_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
219 loff_t *, res, uint, wh);
220#endif
221_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
222_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
223#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
224_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
225#endif
226#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
227_syscall2(int,sys_tkill,int,tid,int,sig)
228#endif
229#ifdef __NR_exit_group
230_syscall1(int,exit_group,int,error_code)
231#endif
232#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
233_syscall1(int,set_tid_address,int *,tidptr)
234#endif
2f7bb878 235#if defined(CONFIG_USE_NPTL)
3b3f24ad
AJ		 236#if defined(TARGET_NR_futex) && defined(__NR_futex)
237_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
238 const struct timespec *,timeout,int *,uaddr2,int,val3)
239#endif
240#endif
737de1d1
MF		 241#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
242_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
243 unsigned long *, user_mask_ptr);
244#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
245_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
246 unsigned long *, user_mask_ptr);
3b3f24ad
AJ		 247
248static bitmask_transtbl fcntl_flags_tbl[] = {
249 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
250 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
251 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
252 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
253 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
254 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
255 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
256 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
257 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
258 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
259 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
260 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
261 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
262#if defined(O_DIRECT)
263 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
264#endif
265 { 0, 0, 0, 0 }
266};
267
268#define COPY_UTSNAME_FIELD(dest, src) \
269 do { \
270 /* __NEW_UTS_LEN doesn't include terminating null */ \
271 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
272 (dest)[__NEW_UTS_LEN] = '\0'; \
273 } while (0)
274
275static int sys_uname(struct new_utsname *buf)
276{
277 struct utsname uts_buf;
278
279 if (uname(&uts_buf) < 0)
280 return (-1);
281
282 /*
283 * Just in case these have some differences, we
284 * translate utsname to new_utsname (which is the
285 * struct linux kernel uses).
286 */
287
288 bzero(buf, sizeof (*buf));
289 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
290 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
291 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
292 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
293 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
294#ifdef _GNU_SOURCE
295 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
296#endif
297 return (0);
298
299#undef COPY_UTSNAME_FIELD
300}
301
302static int sys_getcwd1(char *buf, size_t size)
303{
304 if (getcwd(buf, size) == NULL) {
305 /* getcwd() sets errno */
306 return (-1);
307 }
aaf4ad39 308 return strlen(buf)+1;
3b3f24ad
AJ		 309}
310
311#ifdef CONFIG_ATFILE
312/*
313 * Host system seems to have atfile syscall stubs available. We
314 * now enable them one by one as specified by target syscall_nr.h.
315 */
316
317#ifdef TARGET_NR_faccessat
465c9f06 318static int sys_faccessat(int dirfd, const char *pathname, int mode)
3b3f24ad 319{
465c9f06 320 return (faccessat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 321}
322#endif
323#ifdef TARGET_NR_fchmodat
465c9f06 324static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
3b3f24ad 325{
465c9f06 326 return (fchmodat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 327}
328#endif
fda33744 329#if defined(TARGET_NR_fchownat) && defined(USE_UID16)
3b3f24ad
AJ		 330static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
331 gid_t group, int flags)
332{
333 return (fchownat(dirfd, pathname, owner, group, flags));
334}
335#endif
336#ifdef __NR_fstatat64
337static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
338 int flags)
339{
340 return (fstatat(dirfd, pathname, buf, flags));
341}
342#endif
343#ifdef __NR_newfstatat
344static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
345 int flags)
346{
347 return (fstatat(dirfd, pathname, buf, flags));
348}
349#endif
350#ifdef TARGET_NR_futimesat
351static int sys_futimesat(int dirfd, const char *pathname,
352 const struct timeval times[2])
353{
354 return (futimesat(dirfd, pathname, times));
355}
356#endif
357#ifdef TARGET_NR_linkat
358static int sys_linkat(int olddirfd, const char *oldpath,
359 int newdirfd, const char *newpath, int flags)
360{
361 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
362}
363#endif
364#ifdef TARGET_NR_mkdirat
365static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
366{
367 return (mkdirat(dirfd, pathname, mode));
368}
369#endif
370#ifdef TARGET_NR_mknodat
371static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
372 dev_t dev)
373{
374 return (mknodat(dirfd, pathname, mode, dev));
375}
376#endif
377#ifdef TARGET_NR_openat
378static int sys_openat(int dirfd, const char *pathname, int flags, ...)
379{
380 /*
381 * open(2) has extra parameter 'mode' when called with
382 * flag O_CREAT.
383 */
384 if ((flags & O_CREAT) != 0) {
385 va_list ap;
386 mode_t mode;
387
388 /*
389 * Get the 'mode' parameter and translate it to
390 * host bits.
391 */
392 va_start(ap, flags);
393 mode = va_arg(ap, mode_t);
394 mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
395 va_end(ap);
396
397 return (openat(dirfd, pathname, flags, mode));
398 }
399 return (openat(dirfd, pathname, flags));
400}
401#endif
402#ifdef TARGET_NR_readlinkat
403static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
404{
405 return (readlinkat(dirfd, pathname, buf, bufsiz));
406}
407#endif
408#ifdef TARGET_NR_renameat
409static int sys_renameat(int olddirfd, const char *oldpath,
410 int newdirfd, const char *newpath)
411{
412 return (renameat(olddirfd, oldpath, newdirfd, newpath));
413}
414#endif
415#ifdef TARGET_NR_symlinkat
416static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
417{
418 return (symlinkat(oldpath, newdirfd, newpath));
419}
420#endif
421#ifdef TARGET_NR_unlinkat
422static int sys_unlinkat(int dirfd, const char *pathname, int flags)
423{
424 return (unlinkat(dirfd, pathname, flags));
425}
426#endif
3b3f24ad
AJ		 427#else /* !CONFIG_ATFILE */
428
429/*
430 * Try direct syscalls instead
431 */
92a34c10 432#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
465c9f06 433_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
92a34c10 434#endif
814d7977 435#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
465c9f06 436_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
814d7977 437#endif
4583f589 438#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
ccfa72b7
TS		 439_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
440 uid_t,owner,gid_t,group,int,flags)
441#endif
9d33b76b
AJ		 442#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
443 defined(__NR_fstatat64)
6a24a778
AZ		 444_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
445 struct stat *,buf,int,flags)
446#endif
ac8a6556
AZ		 447#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
448_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
449 const struct timeval *,times)
450#endif
3b3f24ad
AJ		 451#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
452 defined(__NR_newfstatat)
453_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
454 struct stat *,buf,int,flags)
8fcd3692 455#endif
64f0ce4c
TS		 456#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
457_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
3b3f24ad 458 int,newdirfd,const char *,newpath,int,flags)
64f0ce4c 459#endif
4472ad0d
TS		 460#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
461_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
462#endif
75ac37a0
TS		 463#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
464_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
465 mode_t,mode,dev_t,dev)
466#endif
82424832
TS		 467#if defined(TARGET_NR_openat) && defined(__NR_openat)
468_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
469#endif
5e0ccb18
TS		 470#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
471_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
472 char *,buf,size_t,bufsize)
473#endif
722183f6
TS		 474#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
475_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
476 int,newdirfd,const char *,newpath)
477#endif
b51eaa82 478#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 479_syscall3(int,sys_symlinkat,const char *,oldpath,
480 int,newdirfd,const char *,newpath)
481#endif
8170f56b
TS		 482#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
483_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
484#endif
ebc996f3
RV		 485
486#endif /* CONFIG_ATFILE */
487
488#ifdef CONFIG_UTIMENSAT
489static int sys_utimensat(int dirfd, const char *pathname,
490 const struct timespec times[2], int flags)
491{
492 if (pathname == NULL)
493 return futimens(dirfd, times);
494 else
495 return utimensat(dirfd, pathname, times, flags);
496}
497#else
9007f0ef
TS		 498#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
499_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
500 const struct timespec *,tsp,int,flags)
501#endif
ebc996f3 502#endif /* CONFIG_UTIMENSAT */
3b3f24ad
AJ		 503
504#ifdef CONFIG_INOTIFY
8690e420 505#include <sys/inotify.h>
3b3f24ad 506
39b59763 507#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 508static int sys_inotify_init(void)
509{
510 return (inotify_init());
511}
39b59763
AJ		 512#endif
513#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 514static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
515{
516 return (inotify_add_watch(fd, pathname, mask));
517}
39b59763
AJ		 518#endif
519#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 520static int sys_inotify_rm_watch(int fd, int32_t wd)
521{
8690e420 522 return (inotify_rm_watch(fd, wd));
3b3f24ad 523}
bd0c5661 524#endif
c05c7a73
RV		 525#ifdef CONFIG_INOTIFY1
526#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
527static int sys_inotify_init1(int flags)
528{
529 return (inotify_init1(flags));
530}
531#endif
532#endif
3b3f24ad
AJ		 533#else
534/* Userspace can usually survive runtime without inotify */
535#undef TARGET_NR_inotify_init
c05c7a73 536#undef TARGET_NR_inotify_init1
3b3f24ad
AJ		 537#undef TARGET_NR_inotify_add_watch
538#undef TARGET_NR_inotify_rm_watch
539#endif /* CONFIG_INOTIFY */
540
d8035d4c
MF		 541#if defined(TARGET_NR_ppoll)
542#ifndef __NR_ppoll
543# define __NR_ppoll -1
544#endif
545#define __NR_sys_ppoll __NR_ppoll
546_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
547 struct timespec *, timeout, const __sigset_t *, sigmask,
548 size_t, sigsetsize)
549#endif
66fb9763
FB		 550
551extern int personality(int);
9de5e440
FB		 552extern int flock(int, int);
553extern int setfsuid(int);
554extern int setfsgid(int);
19b84f3c 555extern int setgroups(int, gid_t *);
31e31b8a 556
b92c47c1
TS		 557#define ERRNO_TABLE_SIZE 1200
558
559/* target_to_host_errno_table[] is initialized from
560 * host_to_target_errno_table[] in syscall_init(). */
561static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
562};
563
637947f1 564/*
fe8f096b 565 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 566 * minus the errnos that are not actually generic to all archs.
567 */
b92c47c1 568static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 569 [EIDRM] = TARGET_EIDRM,
570 [ECHRNG] = TARGET_ECHRNG,
571 [EL2NSYNC] = TARGET_EL2NSYNC,
572 [EL3HLT] = TARGET_EL3HLT,
573 [EL3RST] = TARGET_EL3RST,
574 [ELNRNG] = TARGET_ELNRNG,
575 [EUNATCH] = TARGET_EUNATCH,
576 [ENOCSI] = TARGET_ENOCSI,
577 [EL2HLT] = TARGET_EL2HLT,
578 [EDEADLK] = TARGET_EDEADLK,
579 [ENOLCK] = TARGET_ENOLCK,
580 [EBADE] = TARGET_EBADE,
581 [EBADR] = TARGET_EBADR,
582 [EXFULL] = TARGET_EXFULL,
583 [ENOANO] = TARGET_ENOANO,
584 [EBADRQC] = TARGET_EBADRQC,
585 [EBADSLT] = TARGET_EBADSLT,
586 [EBFONT] = TARGET_EBFONT,
587 [ENOSTR] = TARGET_ENOSTR,
588 [ENODATA] = TARGET_ENODATA,
589 [ETIME] = TARGET_ETIME,
590 [ENOSR] = TARGET_ENOSR,
591 [ENONET] = TARGET_ENONET,
592 [ENOPKG] = TARGET_ENOPKG,
593 [EREMOTE] = TARGET_EREMOTE,
594 [ENOLINK] = TARGET_ENOLINK,
595 [EADV] = TARGET_EADV,
596 [ESRMNT] = TARGET_ESRMNT,
597 [ECOMM] = TARGET_ECOMM,
598 [EPROTO] = TARGET_EPROTO,
599 [EDOTDOT] = TARGET_EDOTDOT,
600 [EMULTIHOP] = TARGET_EMULTIHOP,
601 [EBADMSG] = TARGET_EBADMSG,
602 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
603 [EOVERFLOW] = TARGET_EOVERFLOW,
604 [ENOTUNIQ] = TARGET_ENOTUNIQ,
605 [EBADFD] = TARGET_EBADFD,
606 [EREMCHG] = TARGET_EREMCHG,
607 [ELIBACC] = TARGET_ELIBACC,
608 [ELIBBAD] = TARGET_ELIBBAD,
609 [ELIBSCN] = TARGET_ELIBSCN,
610 [ELIBMAX] = TARGET_ELIBMAX,
611 [ELIBEXEC] = TARGET_ELIBEXEC,
612 [EILSEQ] = TARGET_EILSEQ,
613 [ENOSYS] = TARGET_ENOSYS,
614 [ELOOP] = TARGET_ELOOP,
615 [ERESTART] = TARGET_ERESTART,
616 [ESTRPIPE] = TARGET_ESTRPIPE,
617 [ENOTEMPTY] = TARGET_ENOTEMPTY,
618 [EUSERS] = TARGET_EUSERS,
619 [ENOTSOCK] = TARGET_ENOTSOCK,
620 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
621 [EMSGSIZE] = TARGET_EMSGSIZE,
622 [EPROTOTYPE] = TARGET_EPROTOTYPE,
623 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
624 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
625 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
626 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
627 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
628 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
629 [EADDRINUSE] = TARGET_EADDRINUSE,
630 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
631 [ENETDOWN] = TARGET_ENETDOWN,
632 [ENETUNREACH] = TARGET_ENETUNREACH,
633 [ENETRESET] = TARGET_ENETRESET,
634 [ECONNABORTED] = TARGET_ECONNABORTED,
635 [ECONNRESET] = TARGET_ECONNRESET,
636 [ENOBUFS] = TARGET_ENOBUFS,
637 [EISCONN] = TARGET_EISCONN,
638 [ENOTCONN] = TARGET_ENOTCONN,
639 [EUCLEAN] = TARGET_EUCLEAN,
640 [ENOTNAM] = TARGET_ENOTNAM,
641 [ENAVAIL] = TARGET_ENAVAIL,
642 [EISNAM] = TARGET_EISNAM,
643 [EREMOTEIO] = TARGET_EREMOTEIO,
644 [ESHUTDOWN] = TARGET_ESHUTDOWN,
645 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
646 [ETIMEDOUT] = TARGET_ETIMEDOUT,
647 [ECONNREFUSED] = TARGET_ECONNREFUSED,
648 [EHOSTDOWN] = TARGET_EHOSTDOWN,
649 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
650 [EALREADY] = TARGET_EALREADY,
651 [EINPROGRESS] = TARGET_EINPROGRESS,
652 [ESTALE] = TARGET_ESTALE,
653 [ECANCELED] = TARGET_ECANCELED,
654 [ENOMEDIUM] = TARGET_ENOMEDIUM,
655 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 656#ifdef ENOKEY
637947f1 657 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 658#endif
659#ifdef EKEYEXPIRED
637947f1 660 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 661#endif
662#ifdef EKEYREVOKED
637947f1 663 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 664#endif
665#ifdef EKEYREJECTED
637947f1 666 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 667#endif
668#ifdef EOWNERDEAD
637947f1 669 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 670#endif
671#ifdef ENOTRECOVERABLE
637947f1 672 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 673#endif
b92c47c1 674};
637947f1
TS		 675
676static inline int host_to_target_errno(int err)
677{
678 if(host_to_target_errno_table[err])
679 return host_to_target_errno_table[err];
680 return err;
681}
682
b92c47c1
TS		 683static inline int target_to_host_errno(int err)
684{
685 if (target_to_host_errno_table[err])
686 return target_to_host_errno_table[err];
687 return err;
688}
689
992f48a0 690static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 691{
692 if (ret == -1)
637947f1 693 return -host_to_target_errno(errno);
31e31b8a
FB		 694 else
695 return ret;
696}
697
992f48a0 698static inline int is_error(abi_long ret)
31e31b8a 699{
992f48a0 700 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 701}
702
b92c47c1
TS		 703char *target_strerror(int err)
704{
705 return strerror(target_to_host_errno(err));
706}
707
992f48a0
BS		 708static abi_ulong target_brk;
709static abi_ulong target_original_brk;
31e31b8a 710
992f48a0 711void target_set_brk(abi_ulong new_brk)
31e31b8a 712{
4c1de73d 713 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
31e31b8a
FB		 714}
715
0da46a6e 716/* do_brk() must return target values and target errnos. */
992f48a0 717abi_long do_brk(abi_ulong new_brk)
31e31b8a 718{
992f48a0
BS		 719 abi_ulong brk_page;
720 abi_long mapped_addr;
31e31b8a
FB		 721 int new_alloc_size;
722
723 if (!new_brk)
53a5960a 724 return target_brk;
31e31b8a 725 if (new_brk < target_original_brk)
7ab240ad 726 return target_brk;
3b46e624 727
53a5960a 728 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 729
730 /* If the new brk is less than this, set it and we're done... */
731 if (new_brk < brk_page) {
732 target_brk = new_brk;
53a5960a 733 return target_brk;
31e31b8a
FB		 734 }
735
736 /* We need to allocate more memory after the brk... */
54936004 737 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
5fafdf24 738 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 739 PROT_READ|PROT_WRITE,
740 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
7ab240ad 741
7dd46c02
RH		 742#if defined(TARGET_ALPHA)
743 /* We (partially) emulate OSF/1 on Alpha, which requires we
744 return a proper errno, not an unchanged brk value. */
745 if (is_error(mapped_addr)) {
746 return -TARGET_ENOMEM;
747 }
748#endif
749
750 if (!is_error(mapped_addr)) {
31e31b8a 751 target_brk = new_brk;
7dd46c02 752 }
7ab240ad 753 return target_brk;
31e31b8a
FB		 754}
755
26edcf41
TS		 756static inline abi_long copy_from_user_fdset(fd_set *fds,
757 abi_ulong target_fds_addr,
758 int n)
31e31b8a 759{
26edcf41
TS		 760 int i, nw, j, k;
761 abi_ulong b, *target_fds;
762
763 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
764 if (!(target_fds = lock_user(VERIFY_READ,
765 target_fds_addr,
766 sizeof(abi_ulong) * nw,
767 1)))
768 return -TARGET_EFAULT;
769
770 FD_ZERO(fds);
771 k = 0;
772 for (i = 0; i < nw; i++) {
773 /* grab the abi_ulong */
774 __get_user(b, &target_fds[i]);
775 for (j = 0; j < TARGET_ABI_BITS; j++) {
776 /* check the bit inside the abi_ulong */
777 if ((b >> j) & 1)
778 FD_SET(k, fds);
779 k++;
31e31b8a 780 }
31e31b8a 781 }
26edcf41
TS		 782
783 unlock_user(target_fds, target_fds_addr, 0);
784
785 return 0;
31e31b8a
FB		 786}
787
26edcf41
TS		 788static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
789 const fd_set *fds,
790 int n)
31e31b8a 791{
31e31b8a 792 int i, nw, j, k;
992f48a0 793 abi_long v;
26edcf41 794 abi_ulong *target_fds;
31e31b8a 795
26edcf41
TS		 796 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
797 if (!(target_fds = lock_user(VERIFY_WRITE,
798 target_fds_addr,
799 sizeof(abi_ulong) * nw,
800 0)))
801 return -TARGET_EFAULT;
802
803 k = 0;
804 for (i = 0; i < nw; i++) {
805 v = 0;
806 for (j = 0; j < TARGET_ABI_BITS; j++) {
807 v |= ((FD_ISSET(k, fds) != 0) << j);
808 k++;
31e31b8a 809 }
26edcf41 810 __put_user(v, &target_fds[i]);
31e31b8a 811 }
26edcf41
TS		 812
813 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
814
815 return 0;
31e31b8a
FB		 816}
817
c596ed17
FB		 818#if defined(__alpha__)
819#define HOST_HZ 1024
820#else
821#define HOST_HZ 100
822#endif
823
992f48a0 824static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 825{
826#if HOST_HZ == TARGET_HZ
827 return ticks;
828#else
829 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
830#endif
831}
832
579a97f7
FB		 833static inline abi_long host_to_target_rusage(abi_ulong target_addr,
834 const struct rusage *rusage)
b409186b 835{
53a5960a
PB		 836 struct target_rusage *target_rusage;
837
579a97f7
FB		 838 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
839 return -TARGET_EFAULT;
b409186b
FB		 840 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
841 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
842 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
843 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
844 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
845 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
846 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
847 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
848 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
849 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
850 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
851 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
852 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
853 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
854 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
855 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
856 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
857 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 858 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 859
860 return 0;
b409186b
FB		 861}
862
81bbe906
TY		 863static inline rlim_t target_to_host_rlim(target_ulong target_rlim)
864{
865 if (target_rlim == TARGET_RLIM_INFINITY)
866 return RLIM_INFINITY;
867 else
868 return tswapl(target_rlim);
869}
870
871static inline target_ulong host_to_target_rlim(rlim_t rlim)
872{
873 if (rlim == RLIM_INFINITY || rlim != (target_long)rlim)
874 return TARGET_RLIM_INFINITY;
875 else
876 return tswapl(rlim);
877}
878
788f5ec4
TS		 879static inline abi_long copy_from_user_timeval(struct timeval *tv,
880 abi_ulong target_tv_addr)
31e31b8a 881{
53a5960a
PB		 882 struct target_timeval *target_tv;
883
788f5ec4 884 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 885 return -TARGET_EFAULT;
788f5ec4
TS		 886
887 __get_user(tv->tv_sec, &target_tv->tv_sec);
888 __get_user(tv->tv_usec, &target_tv->tv_usec);
889
890 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 891
892 return 0;
31e31b8a
FB		 893}
894
788f5ec4
TS		 895static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
896 const struct timeval *tv)
31e31b8a 897{
53a5960a
PB		 898 struct target_timeval *target_tv;
899
788f5ec4 900 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 901 return -TARGET_EFAULT;
788f5ec4
TS		 902
903 __put_user(tv->tv_sec, &target_tv->tv_sec);
904 __put_user(tv->tv_usec, &target_tv->tv_usec);
905
906 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 907
908 return 0;
31e31b8a
FB		 909}
910
8ec9cf89
NF		 911#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
912#include <mqueue.h>
913
24e1003a
AJ		 914static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
915 abi_ulong target_mq_attr_addr)
916{
917 struct target_mq_attr *target_mq_attr;
918
919 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
920 target_mq_attr_addr, 1))
921 return -TARGET_EFAULT;
922
923 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
924 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
925 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
926 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
927
928 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
929
930 return 0;
931}
932
933static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
934 const struct mq_attr *attr)
935{
936 struct target_mq_attr *target_mq_attr;
937
938 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
939 target_mq_attr_addr, 0))
940 return -TARGET_EFAULT;
941
942 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
943 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
944 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
945 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
946
947 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
948
949 return 0;
950}
8ec9cf89 951#endif
31e31b8a 952
0da46a6e 953/* do_select() must return target values and target errnos. */
992f48a0 954static abi_long do_select(int n,
26edcf41
TS		 955 abi_ulong rfd_addr, abi_ulong wfd_addr,
956 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 957{
958 fd_set rfds, wfds, efds;
959 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
960 struct timeval tv, *tv_ptr;
992f48a0 961 abi_long ret;
31e31b8a 962
26edcf41
TS		 963 if (rfd_addr) {
964 if (copy_from_user_fdset(&rfds, rfd_addr, n))
965 return -TARGET_EFAULT;
966 rfds_ptr = &rfds;
53a5960a 967 } else {
53a5960a
PB		 968 rfds_ptr = NULL;
969 }
26edcf41
TS		 970 if (wfd_addr) {
971 if (copy_from_user_fdset(&wfds, wfd_addr, n))
972 return -TARGET_EFAULT;
973 wfds_ptr = &wfds;
53a5960a 974 } else {
53a5960a
PB		 975 wfds_ptr = NULL;
976 }
26edcf41
TS		 977 if (efd_addr) {
978 if (copy_from_user_fdset(&efds, efd_addr, n))
979 return -TARGET_EFAULT;
980 efds_ptr = &efds;
53a5960a 981 } else {
53a5960a
PB		 982 efds_ptr = NULL;
983 }
3b46e624 984
26edcf41 985 if (target_tv_addr) {
788f5ec4
TS		 986 if (copy_from_user_timeval(&tv, target_tv_addr))
987 return -TARGET_EFAULT;
31e31b8a
FB		 988 tv_ptr = &tv;
989 } else {
990 tv_ptr = NULL;
991 }
26edcf41 992
31e31b8a 993 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 994
26edcf41
TS		 995 if (!is_error(ret)) {
996 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
997 return -TARGET_EFAULT;
998 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
999 return -TARGET_EFAULT;
1000 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1001 return -TARGET_EFAULT;
31e31b8a 1002
788f5ec4
TS		 1003 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
1004 return -TARGET_EFAULT;
31e31b8a 1005 }
579a97f7 1006
31e31b8a
FB		 1007 return ret;
1008}
1009
099d6b0f
RV		 1010static abi_long do_pipe2(int host_pipe[], int flags)
1011{
1012#ifdef CONFIG_PIPE2
1013 return pipe2(host_pipe, flags);
1014#else
1015 return -ENOSYS;
1016#endif
1017}
1018
fb41a66e
RH		 1019static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1020 int flags, int is_pipe2)
099d6b0f
RV		 1021{
1022 int host_pipe[2];
1023 abi_long ret;
1024 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1025
1026 if (is_error(ret))
1027 return get_errno(ret);
fb41a66e
RH		 1028
1029 /* Several targets have special calling conventions for the original
1030 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1031 if (!is_pipe2) {
1032#if defined(TARGET_ALPHA)
1033 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1034 return host_pipe[0];
1035#elif defined(TARGET_MIPS)
1036 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1037 return host_pipe[0];
1038#elif defined(TARGET_SH4)
597c0212 1039 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
fb41a66e 1040 return host_pipe[0];
597c0212 1041#endif
fb41a66e
RH		 1042 }
1043
099d6b0f
RV		 1044 if (put_user_s32(host_pipe[0], pipedes)
1045 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1046 return -TARGET_EFAULT;
099d6b0f
RV		 1047 return get_errno(ret);
1048}
1049
b975b83b
LL		 1050static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1051 abi_ulong target_addr,
1052 socklen_t len)
1053{
1054 struct target_ip_mreqn *target_smreqn;
1055
1056 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1057 if (!target_smreqn)
1058 return -TARGET_EFAULT;
1059 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1060 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1061 if (len == sizeof(struct target_ip_mreqn))
1062 mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
1063 unlock_user(target_smreqn, target_addr, 0);
1064
1065 return 0;
1066}
1067
579a97f7
FB		 1068static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1069 abi_ulong target_addr,
1070 socklen_t len)
7854b056 1071{
607175e0
AJ		 1072 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1073 sa_family_t sa_family;
53a5960a
PB		 1074 struct target_sockaddr *target_saddr;
1075
579a97f7
FB		 1076 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1077 if (!target_saddr)
1078 return -TARGET_EFAULT;
607175e0
AJ		 1079
1080 sa_family = tswap16(target_saddr->sa_family);
1081
1082 /* Oops. The caller might send a incomplete sun_path; sun_path
1083 * must be terminated by \0 (see the manual page), but
1084 * unfortunately it is quite common to specify sockaddr_un
1085 * length as "strlen(x->sun_path)" while it should be
1086 * "strlen(...) + 1". We'll fix that here if needed.
1087 * Linux kernel has a similar feature.
1088 */
1089
1090 if (sa_family == AF_UNIX) {
1091 if (len < unix_maxlen && len > 0) {
1092 char *cp = (char*)target_saddr;
1093
1094 if ( cp[len-1] && !cp[len] )
1095 len++;
1096 }
1097 if (len > unix_maxlen)
1098 len = unix_maxlen;
1099 }
1100
53a5960a 1101 memcpy(addr, target_saddr, len);
607175e0 1102 addr->sa_family = sa_family;
53a5960a 1103 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1104
1105 return 0;
7854b056
FB		 1106}
1107
579a97f7
FB		 1108static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1109 struct sockaddr *addr,
1110 socklen_t len)
7854b056 1111{
53a5960a
PB		 1112 struct target_sockaddr *target_saddr;
1113
579a97f7
FB		 1114 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1115 if (!target_saddr)
1116 return -TARGET_EFAULT;
53a5960a
PB		 1117 memcpy(target_saddr, addr, len);
1118 target_saddr->sa_family = tswap16(addr->sa_family);
1119 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1120
1121 return 0;
7854b056
FB		 1122}
1123
53a5960a 1124/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1125static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1126 struct target_msghdr *target_msgh)
7854b056
FB		 1127{
1128 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1129 abi_long msg_controllen;
1130 abi_ulong target_cmsg_addr;
1131 struct target_cmsghdr *target_cmsg;
7854b056 1132 socklen_t space = 0;
5a4a898d
FB		 1133
1134 msg_controllen = tswapl(target_msgh->msg_controllen);
1135 if (msg_controllen < sizeof (struct target_cmsghdr))
1136 goto the_end;
1137 target_cmsg_addr = tswapl(target_msgh->msg_control);
1138 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1139 if (!target_cmsg)
1140 return -TARGET_EFAULT;
7854b056
FB		 1141
1142 while (cmsg && target_cmsg) {
1143 void *data = CMSG_DATA(cmsg);
1144 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1145
5fafdf24 1146 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 1147 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1148
1149 space += CMSG_SPACE(len);
1150 if (space > msgh->msg_controllen) {
1151 space -= CMSG_SPACE(len);
31febb71 1152 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1153 break;
1154 }
1155
1156 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1157 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1158 cmsg->cmsg_len = CMSG_LEN(len);
1159
3532fa74 1160 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1161 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1162 memcpy(data, target_data, len);
1163 } else {
1164 int *fd = (int *)data;
1165 int *target_fd = (int *)target_data;
1166 int i, numfds = len / sizeof(int);
1167
1168 for (i = 0; i < numfds; i++)
1169 fd[i] = tswap32(target_fd[i]);
1170 }
1171
1172 cmsg = CMSG_NXTHDR(msgh, cmsg);
1173 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1174 }
5a4a898d
FB		 1175 unlock_user(target_cmsg, target_cmsg_addr, 0);
1176 the_end:
7854b056 1177 msgh->msg_controllen = space;
5a4a898d 1178 return 0;
7854b056
FB		 1179}
1180
53a5960a 1181/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1182static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1183 struct msghdr *msgh)
7854b056
FB		 1184{
1185 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1186 abi_long msg_controllen;
1187 abi_ulong target_cmsg_addr;
1188 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1189 socklen_t space = 0;
1190
5a4a898d
FB		 1191 msg_controllen = tswapl(target_msgh->msg_controllen);
1192 if (msg_controllen < sizeof (struct target_cmsghdr))
1193 goto the_end;
1194 target_cmsg_addr = tswapl(target_msgh->msg_control);
1195 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1196 if (!target_cmsg)
1197 return -TARGET_EFAULT;
1198
7854b056
FB		 1199 while (cmsg && target_cmsg) {
1200 void *data = CMSG_DATA(cmsg);
1201 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1202
1203 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1204
1205 space += TARGET_CMSG_SPACE(len);
5a4a898d 1206 if (space > msg_controllen) {
7854b056 1207 space -= TARGET_CMSG_SPACE(len);
31febb71 1208 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1209 break;
1210 }
1211
1212 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1213 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1214 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1215
3532fa74 1216 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1217 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1218 memcpy(target_data, data, len);
1219 } else {
1220 int *fd = (int *)data;
1221 int *target_fd = (int *)target_data;
1222 int i, numfds = len / sizeof(int);
1223
1224 for (i = 0; i < numfds; i++)
1225 target_fd[i] = tswap32(fd[i]);
1226 }
1227
1228 cmsg = CMSG_NXTHDR(msgh, cmsg);
1229 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1230 }
5a4a898d
FB		 1231 unlock_user(target_cmsg, target_cmsg_addr, space);
1232 the_end:
1233 target_msgh->msg_controllen = tswapl(space);
1234 return 0;
7854b056
FB		 1235}
1236
0da46a6e 1237/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1238static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1239 abi_ulong optval_addr, socklen_t optlen)
7854b056 1240{
992f48a0 1241 abi_long ret;
32407103 1242 int val;
b975b83b 1243 struct ip_mreqn *ip_mreq;
6e3cb58f 1244 struct ip_mreq_source *ip_mreq_source;
3b46e624 1245
8853f86e
FB		 1246 switch(level) {
1247 case SOL_TCP:
7854b056 1248 /* TCP options all take an 'int' value. */
7854b056 1249 if (optlen < sizeof(uint32_t))
0da46a6e 1250 return -TARGET_EINVAL;
3b46e624 1251
2f619698
FB		 1252 if (get_user_u32(val, optval_addr))
1253 return -TARGET_EFAULT;
8853f86e
FB		 1254 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1255 break;
1256 case SOL_IP:
1257 switch(optname) {
2efbe911
FB		 1258 case IP_TOS:
1259 case IP_TTL:
8853f86e 1260 case IP_HDRINCL:
2efbe911
FB		 1261 case IP_ROUTER_ALERT:
1262 case IP_RECVOPTS:
1263 case IP_RETOPTS:
1264 case IP_PKTINFO:
1265 case IP_MTU_DISCOVER:
1266 case IP_RECVERR:
1267 case IP_RECVTOS:
1268#ifdef IP_FREEBIND
1269 case IP_FREEBIND:
1270#endif
1271 case IP_MULTICAST_TTL:
1272 case IP_MULTICAST_LOOP:
8853f86e
FB		 1273 val = 0;
1274 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1275 if (get_user_u32(val, optval_addr))
1276 return -TARGET_EFAULT;
8853f86e 1277 } else if (optlen >= 1) {
2f619698
FB		 1278 if (get_user_u8(val, optval_addr))
1279 return -TARGET_EFAULT;
8853f86e
FB		 1280 }
1281 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1282 break;
b975b83b
LL		 1283 case IP_ADD_MEMBERSHIP:
1284 case IP_DROP_MEMBERSHIP:
1285 if (optlen < sizeof (struct target_ip_mreq) ||
1286 optlen > sizeof (struct target_ip_mreqn))
1287 return -TARGET_EINVAL;
1288
1289 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1290 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1291 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1292 break;
1293
6e3cb58f
LL		 1294 case IP_BLOCK_SOURCE:
1295 case IP_UNBLOCK_SOURCE:
1296 case IP_ADD_SOURCE_MEMBERSHIP:
1297 case IP_DROP_SOURCE_MEMBERSHIP:
1298 if (optlen != sizeof (struct target_ip_mreq_source))
1299 return -TARGET_EINVAL;
1300
1301 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1302 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1303 unlock_user (ip_mreq_source, optval_addr, 0);
1304 break;
1305
8853f86e
FB		 1306 default:
1307 goto unimplemented;
1308 }
1309 break;
3532fa74 1310 case TARGET_SOL_SOCKET:
8853f86e
FB		 1311 switch (optname) {
1312 /* Options with 'int' argument. */
3532fa74
FB		 1313 case TARGET_SO_DEBUG:
1314 optname = SO_DEBUG;
1315 break;
1316 case TARGET_SO_REUSEADDR:
1317 optname = SO_REUSEADDR;
1318 break;
1319 case TARGET_SO_TYPE:
1320 optname = SO_TYPE;
1321 break;
1322 case TARGET_SO_ERROR:
1323 optname = SO_ERROR;
1324 break;
1325 case TARGET_SO_DONTROUTE:
1326 optname = SO_DONTROUTE;
1327 break;
1328 case TARGET_SO_BROADCAST:
1329 optname = SO_BROADCAST;
1330 break;
1331 case TARGET_SO_SNDBUF:
1332 optname = SO_SNDBUF;
1333 break;
1334 case TARGET_SO_RCVBUF:
1335 optname = SO_RCVBUF;
1336 break;
1337 case TARGET_SO_KEEPALIVE:
1338 optname = SO_KEEPALIVE;
1339 break;
1340 case TARGET_SO_OOBINLINE:
1341 optname = SO_OOBINLINE;
1342 break;
1343 case TARGET_SO_NO_CHECK:
1344 optname = SO_NO_CHECK;
1345 break;
1346 case TARGET_SO_PRIORITY:
1347 optname = SO_PRIORITY;
1348 break;
5e83e8e3 1349#ifdef SO_BSDCOMPAT
3532fa74
FB		 1350 case TARGET_SO_BSDCOMPAT:
1351 optname = SO_BSDCOMPAT;
1352 break;
5e83e8e3 1353#endif
3532fa74
FB		 1354 case TARGET_SO_PASSCRED:
1355 optname = SO_PASSCRED;
1356 break;
1357 case TARGET_SO_TIMESTAMP:
1358 optname = SO_TIMESTAMP;
1359 break;
1360 case TARGET_SO_RCVLOWAT:
1361 optname = SO_RCVLOWAT;
1362 break;
1363 case TARGET_SO_RCVTIMEO:
1364 optname = SO_RCVTIMEO;
1365 break;
1366 case TARGET_SO_SNDTIMEO:
1367 optname = SO_SNDTIMEO;
1368 break;
8853f86e
FB		 1369 break;
1370 default:
1371 goto unimplemented;
1372 }
3532fa74 1373 if (optlen < sizeof(uint32_t))
2f619698 1374 return -TARGET_EINVAL;
3532fa74 1375
2f619698
FB		 1376 if (get_user_u32(val, optval_addr))
1377 return -TARGET_EFAULT;
3532fa74 1378 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1379 break;
7854b056 1380 default:
8853f86e
FB		 1381 unimplemented:
1382 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
6fa13c17 1383 ret = -TARGET_ENOPROTOOPT;
7854b056 1384 }
8853f86e 1385 return ret;
7854b056
FB		 1386}
1387
0da46a6e 1388/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1389static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1390 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1391{
992f48a0 1392 abi_long ret;
b55266b5
BS		 1393 int len, val;
1394 socklen_t lv;
8853f86e
FB		 1395
1396 switch(level) {
3532fa74 1397 case TARGET_SOL_SOCKET:
f3b974cd
JL		 1398 level = SOL_SOCKET;
1399 switch (optname) {
1400 /* These don't just return a single integer */
1401 case TARGET_SO_LINGER:
1402 case TARGET_SO_RCVTIMEO:
1403 case TARGET_SO_SNDTIMEO:
1404 case TARGET_SO_PEERCRED:
1405 case TARGET_SO_PEERNAME:
1406 goto unimplemented;
1407 /* Options with 'int' argument. */
1408 case TARGET_SO_DEBUG:
1409 optname = SO_DEBUG;
1410 goto int_case;
1411 case TARGET_SO_REUSEADDR:
1412 optname = SO_REUSEADDR;
1413 goto int_case;
1414 case TARGET_SO_TYPE:
1415 optname = SO_TYPE;
1416 goto int_case;
1417 case TARGET_SO_ERROR:
1418 optname = SO_ERROR;
1419 goto int_case;
1420 case TARGET_SO_DONTROUTE:
1421 optname = SO_DONTROUTE;
1422 goto int_case;
1423 case TARGET_SO_BROADCAST:
1424 optname = SO_BROADCAST;
1425 goto int_case;
1426 case TARGET_SO_SNDBUF:
1427 optname = SO_SNDBUF;
1428 goto int_case;
1429 case TARGET_SO_RCVBUF:
1430 optname = SO_RCVBUF;
1431 goto int_case;
1432 case TARGET_SO_KEEPALIVE:
1433 optname = SO_KEEPALIVE;
1434 goto int_case;
1435 case TARGET_SO_OOBINLINE:
1436 optname = SO_OOBINLINE;
1437 goto int_case;
1438 case TARGET_SO_NO_CHECK:
1439 optname = SO_NO_CHECK;
1440 goto int_case;
1441 case TARGET_SO_PRIORITY:
1442 optname = SO_PRIORITY;
1443 goto int_case;
1444#ifdef SO_BSDCOMPAT
1445 case TARGET_SO_BSDCOMPAT:
1446 optname = SO_BSDCOMPAT;
1447 goto int_case;
1448#endif
1449 case TARGET_SO_PASSCRED:
1450 optname = SO_PASSCRED;
1451 goto int_case;
1452 case TARGET_SO_TIMESTAMP:
1453 optname = SO_TIMESTAMP;
1454 goto int_case;
1455 case TARGET_SO_RCVLOWAT:
1456 optname = SO_RCVLOWAT;
1457 goto int_case;
8853f86e 1458 default:
2efbe911
FB		 1459 goto int_case;
1460 }
1461 break;
1462 case SOL_TCP:
1463 /* TCP options all take an 'int' value. */
1464 int_case:
2f619698
FB		 1465 if (get_user_u32(len, optlen))
1466 return -TARGET_EFAULT;
2efbe911 1467 if (len < 0)
0da46a6e 1468 return -TARGET_EINVAL;
73160d95 1469 lv = sizeof(lv);
2efbe911
FB		 1470 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1471 if (ret < 0)
1472 return ret;
2efbe911
FB		 1473 if (len > lv)
1474 len = lv;
2f619698
FB		 1475 if (len == 4) {
1476 if (put_user_u32(val, optval_addr))
1477 return -TARGET_EFAULT;
1478 } else {
1479 if (put_user_u8(val, optval_addr))
1480 return -TARGET_EFAULT;
f3b974cd 1481 }
2f619698
FB		 1482 if (put_user_u32(len, optlen))
1483 return -TARGET_EFAULT;
2efbe911
FB		 1484 break;
1485 case SOL_IP:
1486 switch(optname) {
1487 case IP_TOS:
1488 case IP_TTL:
1489 case IP_HDRINCL:
1490 case IP_ROUTER_ALERT:
1491 case IP_RECVOPTS:
1492 case IP_RETOPTS:
1493 case IP_PKTINFO:
1494 case IP_MTU_DISCOVER:
1495 case IP_RECVERR:
1496 case IP_RECVTOS:
1497#ifdef IP_FREEBIND
1498 case IP_FREEBIND:
1499#endif
1500 case IP_MULTICAST_TTL:
1501 case IP_MULTICAST_LOOP:
2f619698
FB		 1502 if (get_user_u32(len, optlen))
1503 return -TARGET_EFAULT;
8853f86e 1504 if (len < 0)
0da46a6e 1505 return -TARGET_EINVAL;
73160d95 1506 lv = sizeof(lv);
8853f86e
FB		 1507 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1508 if (ret < 0)
1509 return ret;
2efbe911 1510 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1511 len = 1;
2f619698
FB		 1512 if (put_user_u32(len, optlen)
1513 || put_user_u8(val, optval_addr))
1514 return -TARGET_EFAULT;
2efbe911 1515 } else {
2efbe911
FB		 1516 if (len > sizeof(int))
1517 len = sizeof(int);
2f619698
FB		 1518 if (put_user_u32(len, optlen)
1519 || put_user_u32(val, optval_addr))
1520 return -TARGET_EFAULT;
2efbe911 1521 }
8853f86e 1522 break;
2efbe911 1523 default:
c02f499e
TS		 1524 ret = -TARGET_ENOPROTOOPT;
1525 break;
8853f86e
FB		 1526 }
1527 break;
1528 default:
1529 unimplemented:
1530 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1531 level, optname);
c02f499e 1532 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1533 break;
1534 }
1535 return ret;
7854b056
FB		 1536}
1537
579a97f7
FB		 1538/* FIXME
1539 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1540 * other lock functions have a return code of 0 for failure.
1541 */
1542static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1543 int count, int copy)
53a5960a
PB		 1544{
1545 struct target_iovec *target_vec;
992f48a0 1546 abi_ulong base;
d732dcb4 1547 int i;
53a5960a 1548
579a97f7
FB		 1549 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1550 if (!target_vec)
1551 return -TARGET_EFAULT;
53a5960a
PB		 1552 for(i = 0;i < count; i++) {
1553 base = tswapl(target_vec[i].iov_base);
1554 vec[i].iov_len = tswapl(target_vec[i].iov_len);
41df8411
FB		 1555 if (vec[i].iov_len != 0) {
1556 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1557 /* Don't check lock_user return value. We must call writev even
1558 if a element has invalid base address. */
41df8411
FB		 1559 } else {
1560 /* zero length pointer is ignored */
1561 vec[i].iov_base = NULL;
1562 }
579a97f7
FB		 1563 }
1564 unlock_user (target_vec, target_addr, 0);
1565 return 0;
53a5960a
PB		 1566}
1567
579a97f7
FB		 1568static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1569 int count, int copy)
53a5960a
PB		 1570{
1571 struct target_iovec *target_vec;
992f48a0 1572 abi_ulong base;
53a5960a
PB		 1573 int i;
1574
579a97f7
FB		 1575 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1576 if (!target_vec)
1577 return -TARGET_EFAULT;
53a5960a 1578 for(i = 0;i < count; i++) {
d732dcb4
AZ		 1579 if (target_vec[i].iov_base) {
1580 base = tswapl(target_vec[i].iov_base);
1581 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1582 }
53a5960a
PB		 1583 }
1584 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1585
1586 return 0;
53a5960a
PB		 1587}
1588
0da46a6e 1589/* do_socket() Must return target values and target errnos. */
992f48a0 1590static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1591{
1592#if defined(TARGET_MIPS)
1593 switch(type) {
1594 case TARGET_SOCK_DGRAM:
1595 type = SOCK_DGRAM;
1596 break;
1597 case TARGET_SOCK_STREAM:
1598 type = SOCK_STREAM;
1599 break;
1600 case TARGET_SOCK_RAW:
1601 type = SOCK_RAW;
1602 break;
1603 case TARGET_SOCK_RDM:
1604 type = SOCK_RDM;
1605 break;
1606 case TARGET_SOCK_SEQPACKET:
1607 type = SOCK_SEQPACKET;
1608 break;
1609 case TARGET_SOCK_PACKET:
1610 type = SOCK_PACKET;
1611 break;
1612 }
1613#endif
12bc92ab
AZ		 1614 if (domain == PF_NETLINK)
1615 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1616 return get_errno(socket(domain, type, protocol));
1617}
1618
0da46a6e 1619/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1620static abi_long do_bind(int sockfd, abi_ulong target_addr,
1621 socklen_t addrlen)
3532fa74 1622{
8f7aeaf6 1623 void *addr;
917507b0 1624 abi_long ret;
8f7aeaf6 1625
38724253 1626 if ((int)addrlen < 0) {
8f7aeaf6 1627 return -TARGET_EINVAL;
38724253 1628 }
8f7aeaf6 1629
607175e0 1630 addr = alloca(addrlen+1);
3b46e624 1631
917507b0
AP		 1632 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1633 if (ret)
1634 return ret;
1635
3532fa74
FB		 1636 return get_errno(bind(sockfd, addr, addrlen));
1637}
1638
0da46a6e 1639/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1640static abi_long do_connect(int sockfd, abi_ulong target_addr,
1641 socklen_t addrlen)
3532fa74 1642{
8f7aeaf6 1643 void *addr;
917507b0 1644 abi_long ret;
8f7aeaf6 1645
38724253 1646 if ((int)addrlen < 0) {
8f7aeaf6 1647 return -TARGET_EINVAL;
38724253 1648 }
8f7aeaf6
AJ		 1649
1650 addr = alloca(addrlen);
3b46e624 1651
917507b0
AP		 1652 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1653 if (ret)
1654 return ret;
1655
3532fa74
FB		 1656 return get_errno(connect(sockfd, addr, addrlen));
1657}
1658
0da46a6e 1659/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1660static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1661 int flags, int send)
3532fa74 1662{
6de645c7 1663 abi_long ret, len;
3532fa74
FB		 1664 struct target_msghdr *msgp;
1665 struct msghdr msg;
1666 int count;
1667 struct iovec *vec;
992f48a0 1668 abi_ulong target_vec;
3532fa74 1669
579a97f7
FB		 1670 /* FIXME */
1671 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1672 msgp,
1673 target_msg,
1674 send ? 1 : 0))
1675 return -TARGET_EFAULT;
3532fa74
FB		 1676 if (msgp->msg_name) {
1677 msg.msg_namelen = tswap32(msgp->msg_namelen);
1678 msg.msg_name = alloca(msg.msg_namelen);
917507b0 1679 ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
3532fa74 1680 msg.msg_namelen);
917507b0
AP		 1681 if (ret) {
1682 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1683 return ret;
1684 }
3532fa74
FB		 1685 } else {
1686 msg.msg_name = NULL;
1687 msg.msg_namelen = 0;
1688 }
1689 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1690 msg.msg_control = alloca(msg.msg_controllen);
1691 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1692
3532fa74
FB		 1693 count = tswapl(msgp->msg_iovlen);
1694 vec = alloca(count * sizeof(struct iovec));
1695 target_vec = tswapl(msgp->msg_iov);
579a97f7 1696 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1697 msg.msg_iovlen = count;
1698 msg.msg_iov = vec;
3b46e624 1699
3532fa74 1700 if (send) {
5a4a898d
FB		 1701 ret = target_to_host_cmsg(&msg, msgp);
1702 if (ret == 0)
1703 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1704 } else {
1705 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1706 if (!is_error(ret)) {
1707 len = ret;
5a4a898d 1708 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1709 if (!is_error(ret))
1710 ret = len;
1711 }
3532fa74
FB		 1712 }
1713 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1714 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1715 return ret;
1716}
1717
0da46a6e 1718/* do_accept() Must return target values and target errnos. */
992f48a0 1719static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1720 abi_ulong target_addrlen_addr)
1be9e1dc 1721{
2f619698
FB		 1722 socklen_t addrlen;
1723 void *addr;
992f48a0 1724 abi_long ret;
1be9e1dc 1725
917507b0
AP		 1726 if (target_addr == 0)
1727 return get_errno(accept(fd, NULL, NULL));
1728
1729 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1730 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1731 return -TARGET_EINVAL;
2f619698 1732
38724253 1733 if ((int)addrlen < 0) {
8f7aeaf6 1734 return -TARGET_EINVAL;
38724253 1735 }
8f7aeaf6 1736
917507b0
AP		 1737 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1738 return -TARGET_EINVAL;
1739
2f619698
FB		 1740 addr = alloca(addrlen);
1741
1be9e1dc
PB		 1742 ret = get_errno(accept(fd, addr, &addrlen));
1743 if (!is_error(ret)) {
1744 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1745 if (put_user_u32(addrlen, target_addrlen_addr))
1746 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1747 }
1748 return ret;
1749}
1750
0da46a6e 1751/* do_getpeername() Must return target values and target errnos. */
992f48a0 1752static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1753 abi_ulong target_addrlen_addr)
1be9e1dc 1754{
2f619698
FB		 1755 socklen_t addrlen;
1756 void *addr;
992f48a0 1757 abi_long ret;
1be9e1dc 1758
2f619698
FB		 1759 if (get_user_u32(addrlen, target_addrlen_addr))
1760 return -TARGET_EFAULT;
1761
38724253 1762 if ((int)addrlen < 0) {
8f7aeaf6 1763 return -TARGET_EINVAL;
38724253 1764 }
8f7aeaf6 1765
917507b0
AP		 1766 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1767 return -TARGET_EFAULT;
1768
2f619698
FB		 1769 addr = alloca(addrlen);
1770
1be9e1dc
PB		 1771 ret = get_errno(getpeername(fd, addr, &addrlen));
1772 if (!is_error(ret)) {
1773 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1774 if (put_user_u32(addrlen, target_addrlen_addr))
1775 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1776 }
1777 return ret;
1778}
1779
0da46a6e 1780/* do_getsockname() Must return target values and target errnos. */
992f48a0 1781static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1782 abi_ulong target_addrlen_addr)
1be9e1dc 1783{
2f619698
FB		 1784 socklen_t addrlen;
1785 void *addr;
992f48a0 1786 abi_long ret;
1be9e1dc 1787
2f619698
FB		 1788 if (get_user_u32(addrlen, target_addrlen_addr))
1789 return -TARGET_EFAULT;
1790
38724253 1791 if ((int)addrlen < 0) {
8f7aeaf6 1792 return -TARGET_EINVAL;
38724253 1793 }
8f7aeaf6 1794
917507b0
AP		 1795 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1796 return -TARGET_EFAULT;
1797
2f619698
FB		 1798 addr = alloca(addrlen);
1799
1be9e1dc
PB		 1800 ret = get_errno(getsockname(fd, addr, &addrlen));
1801 if (!is_error(ret)) {
1802 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1803 if (put_user_u32(addrlen, target_addrlen_addr))
1804 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1805 }
1806 return ret;
1807}
1808
0da46a6e 1809/* do_socketpair() Must return target values and target errnos. */
992f48a0 1810static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1811 abi_ulong target_tab_addr)
1be9e1dc
PB		 1812{
1813 int tab[2];
992f48a0 1814 abi_long ret;
1be9e1dc
PB		 1815
1816 ret = get_errno(socketpair(domain, type, protocol, tab));
1817 if (!is_error(ret)) {
2f619698
FB		 1818 if (put_user_s32(tab[0], target_tab_addr)
1819 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1820 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1821 }
1822 return ret;
1823}
1824
0da46a6e 1825/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1826static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1827 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1828{
1829 void *addr;
1830 void *host_msg;
992f48a0 1831 abi_long ret;
1be9e1dc 1832
38724253 1833 if ((int)addrlen < 0) {
8f7aeaf6 1834 return -TARGET_EINVAL;
38724253 1835 }
8f7aeaf6 1836
579a97f7
FB		 1837 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1838 if (!host_msg)
1839 return -TARGET_EFAULT;
1be9e1dc
PB		 1840 if (target_addr) {
1841 addr = alloca(addrlen);
917507b0
AP		 1842 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1843 if (ret) {
1844 unlock_user(host_msg, msg, 0);
1845 return ret;
1846 }
1be9e1dc
PB		 1847 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1848 } else {
1849 ret = get_errno(send(fd, host_msg, len, flags));
1850 }
1851 unlock_user(host_msg, msg, 0);
1852 return ret;
1853}
1854
0da46a6e 1855/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1856static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1857 abi_ulong target_addr,
1858 abi_ulong target_addrlen)
1be9e1dc
PB		 1859{
1860 socklen_t addrlen;
1861 void *addr;
1862 void *host_msg;
992f48a0 1863 abi_long ret;
1be9e1dc 1864
579a97f7
FB		 1865 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1866 if (!host_msg)
1867 return -TARGET_EFAULT;
1be9e1dc 1868 if (target_addr) {
2f619698
FB		 1869 if (get_user_u32(addrlen, target_addrlen)) {
1870 ret = -TARGET_EFAULT;
1871 goto fail;
1872 }
38724253 1873 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 1874 ret = -TARGET_EINVAL;
1875 goto fail;
1876 }
1be9e1dc
PB		 1877 addr = alloca(addrlen);
1878 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1879 } else {
1880 addr = NULL; /* To keep compiler quiet. */
1881 ret = get_errno(recv(fd, host_msg, len, flags));
1882 }
1883 if (!is_error(ret)) {
1884 if (target_addr) {
1885 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1886 if (put_user_u32(addrlen, target_addrlen)) {
1887 ret = -TARGET_EFAULT;
1888 goto fail;
1889 }
1be9e1dc
PB		 1890 }
1891 unlock_user(host_msg, msg, len);
1892 } else {
2f619698 1893fail:
1be9e1dc
PB		 1894 unlock_user(host_msg, msg, 0);
1895 }
1896 return ret;
1897}
1898
32407103 1899#ifdef TARGET_NR_socketcall
0da46a6e 1900/* do_socketcall() Must return target values and target errnos. */
992f48a0 1901static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1902{
992f48a0
BS		 1903 abi_long ret;
1904 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1905
1906 switch(num) {
1907 case SOCKOP_socket:
7854b056 1908 {
98818189 1909 abi_ulong domain, type, protocol;
2f619698 1910
98818189
UH		 1911 if (get_user_ual(domain, vptr)
1912 || get_user_ual(type, vptr + n)
1913 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 1914 return -TARGET_EFAULT;
1915
3532fa74 1916 ret = do_socket(domain, type, protocol);
7854b056 1917 }
31e31b8a
FB		 1918 break;
1919 case SOCKOP_bind:
7854b056 1920 {
98818189 1921 abi_ulong sockfd;
2f619698
FB		 1922 abi_ulong target_addr;
1923 socklen_t addrlen;
1924
98818189 1925 if (get_user_ual(sockfd, vptr)
2f619698 1926 || get_user_ual(target_addr, vptr + n)
98818189 1927 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1928 return -TARGET_EFAULT;
1929
3532fa74 1930 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1931 }
31e31b8a
FB		 1932 break;
1933 case SOCKOP_connect:
7854b056 1934 {
98818189 1935 abi_ulong sockfd;
2f619698
FB		 1936 abi_ulong target_addr;
1937 socklen_t addrlen;
1938
98818189 1939 if (get_user_ual(sockfd, vptr)
2f619698 1940 || get_user_ual(target_addr, vptr + n)
98818189 1941 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1942 return -TARGET_EFAULT;
1943
3532fa74 1944 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1945 }
31e31b8a
FB		 1946 break;
1947 case SOCKOP_listen:
7854b056 1948 {
98818189 1949 abi_ulong sockfd, backlog;
2f619698 1950
98818189
UH		 1951 if (get_user_ual(sockfd, vptr)
1952 || get_user_ual(backlog, vptr + n))
2f619698
FB		 1953 return -TARGET_EFAULT;
1954
7854b056
FB		 1955 ret = get_errno(listen(sockfd, backlog));
1956 }
31e31b8a
FB		 1957 break;
1958 case SOCKOP_accept:
1959 {
98818189 1960 abi_ulong sockfd;
2f619698
FB		 1961 abi_ulong target_addr, target_addrlen;
1962
98818189 1963 if (get_user_ual(sockfd, vptr)
2f619698 1964 || get_user_ual(target_addr, vptr + n)
98818189 1965 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1966 return -TARGET_EFAULT;
1967
1be9e1dc 1968 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1969 }
1970 break;
1971 case SOCKOP_getsockname:
1972 {
98818189 1973 abi_ulong sockfd;
2f619698
FB		 1974 abi_ulong target_addr, target_addrlen;
1975
98818189 1976 if (get_user_ual(sockfd, vptr)
2f619698 1977 || get_user_ual(target_addr, vptr + n)
98818189 1978 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1979 return -TARGET_EFAULT;
1980
1be9e1dc 1981 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1982 }
1983 break;
1984 case SOCKOP_getpeername:
1985 {
98818189 1986 abi_ulong sockfd;
2f619698
FB		 1987 abi_ulong target_addr, target_addrlen;
1988
98818189 1989 if (get_user_ual(sockfd, vptr)
2f619698 1990 || get_user_ual(target_addr, vptr + n)
98818189 1991 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1992 return -TARGET_EFAULT;
1993
1be9e1dc 1994 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1995 }
1996 break;
1997 case SOCKOP_socketpair:
1998 {
98818189 1999 abi_ulong domain, type, protocol;
2f619698
FB		 2000 abi_ulong tab;
2001
98818189
UH		 2002 if (get_user_ual(domain, vptr)
2003 || get_user_ual(type, vptr + n)
2004 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 2005 || get_user_ual(tab, vptr + 3 * n))
2006 return -TARGET_EFAULT;
2007
1be9e1dc 2008 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 2009 }
2010 break;
2011 case SOCKOP_send:
7854b056 2012 {
98818189 2013 abi_ulong sockfd;
2f619698
FB		 2014 abi_ulong msg;
2015 size_t len;
98818189 2016 abi_ulong flags;
2f619698 2017
98818189 2018 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2019 || get_user_ual(msg, vptr + n)
2020 || get_user_ual(len, vptr + 2 * n)
98818189 2021 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2022 return -TARGET_EFAULT;
2023
1be9e1dc 2024 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 2025 }
31e31b8a
FB		 2026 break;
2027 case SOCKOP_recv:
7854b056 2028 {
98818189 2029 abi_ulong sockfd;
2f619698
FB		 2030 abi_ulong msg;
2031 size_t len;
98818189 2032 abi_ulong flags;
2f619698 2033
98818189 2034 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2035 || get_user_ual(msg, vptr + n)
2036 || get_user_ual(len, vptr + 2 * n)
98818189 2037 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2038 return -TARGET_EFAULT;
2039
1be9e1dc 2040 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 2041 }
31e31b8a
FB		 2042 break;
2043 case SOCKOP_sendto:
7854b056 2044 {
98818189 2045 abi_ulong sockfd;
2f619698
FB		 2046 abi_ulong msg;
2047 size_t len;
98818189 2048 abi_ulong flags;
2f619698
FB		 2049 abi_ulong addr;
2050 socklen_t addrlen;
2051
98818189 2052 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2053 || get_user_ual(msg, vptr + n)
2054 || get_user_ual(len, vptr + 2 * n)
98818189 2055 || get_user_ual(flags, vptr + 3 * n)
2f619698 2056 || get_user_ual(addr, vptr + 4 * n)
98818189 2057 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2058 return -TARGET_EFAULT;
2059
1be9e1dc 2060 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 2061 }
31e31b8a
FB		 2062 break;
2063 case SOCKOP_recvfrom:
2064 {
98818189 2065 abi_ulong sockfd;
2f619698
FB		 2066 abi_ulong msg;
2067 size_t len;
98818189 2068 abi_ulong flags;
2f619698
FB		 2069 abi_ulong addr;
2070 socklen_t addrlen;
2071
98818189 2072 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2073 || get_user_ual(msg, vptr + n)
2074 || get_user_ual(len, vptr + 2 * n)
98818189 2075 || get_user_ual(flags, vptr + 3 * n)
2f619698 2076 || get_user_ual(addr, vptr + 4 * n)
98818189 2077 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2078 return -TARGET_EFAULT;
2079
1be9e1dc 2080 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 2081 }
2082 break;
2083 case SOCKOP_shutdown:
7854b056 2084 {
98818189 2085 abi_ulong sockfd, how;
2f619698 2086
98818189
UH		 2087 if (get_user_ual(sockfd, vptr)
2088 || get_user_ual(how, vptr + n))
2f619698 2089 return -TARGET_EFAULT;
7854b056
FB		 2090
2091 ret = get_errno(shutdown(sockfd, how));
2092 }
31e31b8a
FB		 2093 break;
2094 case SOCKOP_sendmsg:
2095 case SOCKOP_recvmsg:
1a9353d2 2096 {
98818189 2097 abi_ulong fd;
992f48a0 2098 abi_ulong target_msg;
98818189 2099 abi_ulong flags;
1a9353d2 2100
98818189 2101 if (get_user_ual(fd, vptr)
2f619698 2102 || get_user_ual(target_msg, vptr + n)
98818189 2103 || get_user_ual(flags, vptr + 2 * n))
2f619698 2104 return -TARGET_EFAULT;
3532fa74 2105
5fafdf24 2106 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 2107 (num == SOCKOP_sendmsg));
1a9353d2
FB		 2108 }
2109 break;
31e31b8a 2110 case SOCKOP_setsockopt:
7854b056 2111 {
98818189
UH		 2112 abi_ulong sockfd;
2113 abi_ulong level;
2114 abi_ulong optname;
2f619698
FB		 2115 abi_ulong optval;
2116 socklen_t optlen;
2117
98818189
UH		 2118 if (get_user_ual(sockfd, vptr)
2119 || get_user_ual(level, vptr + n)
2120 || get_user_ual(optname, vptr + 2 * n)
2f619698 2121 || get_user_ual(optval, vptr + 3 * n)
98818189 2122 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2123 return -TARGET_EFAULT;
7854b056
FB		 2124
2125 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2126 }
2127 break;
31e31b8a 2128 case SOCKOP_getsockopt:
7854b056 2129 {
98818189
UH		 2130 abi_ulong sockfd;
2131 abi_ulong level;
2132 abi_ulong optname;
2f619698
FB		 2133 abi_ulong optval;
2134 socklen_t optlen;
2135
98818189
UH		 2136 if (get_user_ual(sockfd, vptr)
2137 || get_user_ual(level, vptr + n)
2138 || get_user_ual(optname, vptr + 2 * n)
2f619698 2139 || get_user_ual(optval, vptr + 3 * n)
98818189 2140 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2141 return -TARGET_EFAULT;
7854b056 2142
2f619698 2143 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2144 }
2145 break;
31e31b8a
FB		 2146 default:
2147 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2148 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2149 break;
2150 }
2151 return ret;
2152}
32407103 2153#endif
31e31b8a 2154
8853f86e
FB		 2155#define N_SHM_REGIONS 32
2156
2157static struct shm_region {
5a4a898d
FB		 2158 abi_ulong start;
2159 abi_ulong size;
8853f86e
FB		 2160} shm_regions[N_SHM_REGIONS];
2161
3eb6b044
TS		 2162struct target_ipc_perm
2163{
992f48a0
BS		 2164 abi_long __key;
2165 abi_ulong uid;
2166 abi_ulong gid;
2167 abi_ulong cuid;
2168 abi_ulong cgid;
3eb6b044
TS		 2169 unsigned short int mode;
2170 unsigned short int __pad1;
2171 unsigned short int __seq;
2172 unsigned short int __pad2;
992f48a0
BS		 2173 abi_ulong __unused1;
2174 abi_ulong __unused2;
3eb6b044
TS		 2175};
2176
2177struct target_semid_ds
2178{
2179 struct target_ipc_perm sem_perm;
992f48a0
BS		 2180 abi_ulong sem_otime;
2181 abi_ulong __unused1;
2182 abi_ulong sem_ctime;
2183 abi_ulong __unused2;
2184 abi_ulong sem_nsems;
2185 abi_ulong __unused3;
2186 abi_ulong __unused4;
3eb6b044
TS		 2187};
2188
579a97f7
FB		 2189static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2190 abi_ulong target_addr)
3eb6b044
TS		 2191{
2192 struct target_ipc_perm *target_ip;
2193 struct target_semid_ds *target_sd;
2194
579a97f7
FB		 2195 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2196 return -TARGET_EFAULT;
e8bbe36c 2197 target_ip = &(target_sd->sem_perm);
3eb6b044
TS		 2198 host_ip->__key = tswapl(target_ip->__key);
2199 host_ip->uid = tswapl(target_ip->uid);
2200 host_ip->gid = tswapl(target_ip->gid);
2201 host_ip->cuid = tswapl(target_ip->cuid);
2202 host_ip->cgid = tswapl(target_ip->cgid);
2203 host_ip->mode = tswapl(target_ip->mode);
2204 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2205 return 0;
3eb6b044
TS		 2206}
2207
579a97f7
FB		 2208static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2209 struct ipc_perm *host_ip)
3eb6b044
TS		 2210{
2211 struct target_ipc_perm *target_ip;
2212 struct target_semid_ds *target_sd;
2213
579a97f7
FB		 2214 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2215 return -TARGET_EFAULT;
3eb6b044
TS		 2216 target_ip = &(target_sd->sem_perm);
2217 target_ip->__key = tswapl(host_ip->__key);
2218 target_ip->uid = tswapl(host_ip->uid);
2219 target_ip->gid = tswapl(host_ip->gid);
2220 target_ip->cuid = tswapl(host_ip->cuid);
2221 target_ip->cgid = tswapl(host_ip->cgid);
2222 target_ip->mode = tswapl(host_ip->mode);
2223 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2224 return 0;
3eb6b044
TS		 2225}
2226
579a97f7
FB		 2227static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2228 abi_ulong target_addr)
3eb6b044
TS		 2229{
2230 struct target_semid_ds *target_sd;
2231
579a97f7
FB		 2232 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2233 return -TARGET_EFAULT;
e5289087
AJ		 2234 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2235 return -TARGET_EFAULT;
3eb6b044
TS		 2236 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2237 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2238 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2239 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2240 return 0;
3eb6b044
TS		 2241}
2242
579a97f7
FB		 2243static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2244 struct semid_ds *host_sd)
3eb6b044
TS		 2245{
2246 struct target_semid_ds *target_sd;
2247
579a97f7
FB		 2248 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2249 return -TARGET_EFAULT;
e5289087
AJ		 2250 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2251 return -TARGET_EFAULT;;
3eb6b044
TS		 2252 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2253 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2254 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2255 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2256 return 0;
3eb6b044
TS		 2257}
2258
e5289087
AJ		 2259struct target_seminfo {
2260 int semmap;
2261 int semmni;
2262 int semmns;
2263 int semmnu;
2264 int semmsl;
2265 int semopm;
2266 int semume;
2267 int semusz;
2268 int semvmx;
2269 int semaem;
2270};
2271
2272static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2273 struct seminfo *host_seminfo)
2274{
2275 struct target_seminfo *target_seminfo;
2276 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2277 return -TARGET_EFAULT;
2278 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2279 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2280 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2281 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2282 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2283 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2284 __put_user(host_seminfo->semume, &target_seminfo->semume);
2285 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2286 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2287 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2288 unlock_user_struct(target_seminfo, target_addr, 1);
2289 return 0;
2290}
2291
fa294816
TS		 2292union semun {
2293 int val;
3eb6b044 2294 struct semid_ds *buf;
fa294816 2295 unsigned short *array;
e5289087 2296 struct seminfo *__buf;
fa294816
TS		 2297};
2298
3eb6b044
TS		 2299union target_semun {
2300 int val;
e5289087
AJ		 2301 abi_ulong buf;
2302 abi_ulong array;
2303 abi_ulong __buf;
3eb6b044
TS		 2304};
2305
e5289087
AJ		 2306static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2307 abi_ulong target_addr)
3eb6b044 2308{
e5289087
AJ		 2309 int nsems;
2310 unsigned short *array;
2311 union semun semun;
2312 struct semid_ds semid_ds;
2313 int i, ret;
3eb6b044 2314
e5289087
AJ		 2315 semun.buf = &semid_ds;
2316
2317 ret = semctl(semid, 0, IPC_STAT, semun);
2318 if (ret == -1)
2319 return get_errno(ret);
2320
2321 nsems = semid_ds.sem_nsems;
2322
2323 *host_array = malloc(nsems*sizeof(unsigned short));
2324 array = lock_user(VERIFY_READ, target_addr,
2325 nsems*sizeof(unsigned short), 1);
2326 if (!array)
2327 return -TARGET_EFAULT;
2328
2329 for(i=0; i<nsems; i++) {
2330 __get_user((*host_array)[i], &array[i]);
3eb6b044 2331 }
e5289087
AJ		 2332 unlock_user(array, target_addr, 0);
2333
579a97f7 2334 return 0;
3eb6b044
TS		 2335}
2336
e5289087
AJ		 2337static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2338 unsigned short **host_array)
3eb6b044 2339{
e5289087
AJ		 2340 int nsems;
2341 unsigned short *array;
2342 union semun semun;
2343 struct semid_ds semid_ds;
2344 int i, ret;
3eb6b044 2345
e5289087
AJ		 2346 semun.buf = &semid_ds;
2347
2348 ret = semctl(semid, 0, IPC_STAT, semun);
2349 if (ret == -1)
2350 return get_errno(ret);
2351
2352 nsems = semid_ds.sem_nsems;
2353
2354 array = lock_user(VERIFY_WRITE, target_addr,
2355 nsems*sizeof(unsigned short), 0);
2356 if (!array)
2357 return -TARGET_EFAULT;
2358
2359 for(i=0; i<nsems; i++) {
2360 __put_user((*host_array)[i], &array[i]);
3eb6b044 2361 }
e5289087
AJ		 2362 free(*host_array);
2363 unlock_user(array, target_addr, 1);
2364
579a97f7 2365 return 0;
3eb6b044
TS		 2366}
2367
e5289087
AJ		 2368static inline abi_long do_semctl(int semid, int semnum, int cmd,
2369 union target_semun target_su)
3eb6b044
TS		 2370{
2371 union semun arg;
2372 struct semid_ds dsarg;
7b8118e8 2373 unsigned short *array = NULL;
e5289087
AJ		 2374 struct seminfo seminfo;
2375 abi_long ret = -TARGET_EINVAL;
2376 abi_long err;
2377 cmd &= 0xff;
3eb6b044
TS		 2378
2379 switch( cmd ) {
2380 case GETVAL:
3eb6b044 2381 case SETVAL:
e5289087
AJ		 2382 arg.val = tswapl(target_su.val);
2383 ret = get_errno(semctl(semid, semnum, cmd, arg));
2384 target_su.val = tswapl(arg.val);
3eb6b044
TS		 2385 break;
2386 case GETALL:
3eb6b044 2387 case SETALL:
e5289087
AJ		 2388 err = target_to_host_semarray(semid, &array, target_su.array);
2389 if (err)
2390 return err;
2391 arg.array = array;
2392 ret = get_errno(semctl(semid, semnum, cmd, arg));
2393 err = host_to_target_semarray(semid, target_su.array, &array);
2394 if (err)
2395 return err;
3eb6b044
TS		 2396 break;
2397 case IPC_STAT:
3eb6b044 2398 case IPC_SET:
e5289087
AJ		 2399 case SEM_STAT:
2400 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2401 if (err)
2402 return err;
2403 arg.buf = &dsarg;
2404 ret = get_errno(semctl(semid, semnum, cmd, arg));
2405 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2406 if (err)
2407 return err;
2408 break;
2409 case IPC_INFO:
2410 case SEM_INFO:
2411 arg.__buf = &seminfo;
2412 ret = get_errno(semctl(semid, semnum, cmd, arg));
2413 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2414 if (err)
2415 return err;
2416 break;
2417 case IPC_RMID:
2418 case GETPID:
2419 case GETNCNT:
2420 case GETZCNT:
2421 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2422 break;
3eb6b044
TS		 2423 }
2424
2425 return ret;
2426}
2427
e5289087
AJ		 2428struct target_sembuf {
2429 unsigned short sem_num;
2430 short sem_op;
2431 short sem_flg;
2432};
2433
2434static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2435 abi_ulong target_addr,
2436 unsigned nsops)
2437{
2438 struct target_sembuf *target_sembuf;
2439 int i;
2440
2441 target_sembuf = lock_user(VERIFY_READ, target_addr,
2442 nsops*sizeof(struct target_sembuf), 1);
2443 if (!target_sembuf)
2444 return -TARGET_EFAULT;
2445
2446 for(i=0; i<nsops; i++) {
2447 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2448 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2449 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2450 }
2451
2452 unlock_user(target_sembuf, target_addr, 0);
2453
2454 return 0;
2455}
2456
2457static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2458{
2459 struct sembuf sops[nsops];
2460
2461 if (target_to_host_sembuf(sops, ptr, nsops))
2462 return -TARGET_EFAULT;
2463
2464 return semop(semid, sops, nsops);
2465}
2466
1bc012f6
TS		 2467struct target_msqid_ds
2468{
1c54ff97
AJ		 2469 struct target_ipc_perm msg_perm;
2470 abi_ulong msg_stime;
2471#if TARGET_ABI_BITS == 32
2472 abi_ulong __unused1;
2473#endif
2474 abi_ulong msg_rtime;
2475#if TARGET_ABI_BITS == 32
2476 abi_ulong __unused2;
2477#endif
2478 abi_ulong msg_ctime;
2479#if TARGET_ABI_BITS == 32
2480 abi_ulong __unused3;
2481#endif
2482 abi_ulong __msg_cbytes;
2483 abi_ulong msg_qnum;
2484 abi_ulong msg_qbytes;
2485 abi_ulong msg_lspid;
2486 abi_ulong msg_lrpid;
2487 abi_ulong __unused4;
2488 abi_ulong __unused5;
1bc012f6
TS		 2489};
2490
579a97f7
FB		 2491static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2492 abi_ulong target_addr)
1bc012f6
TS		 2493{
2494 struct target_msqid_ds *target_md;
2495
579a97f7
FB		 2496 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2497 return -TARGET_EFAULT;
1c54ff97
AJ		 2498 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2499 return -TARGET_EFAULT;
1bc012f6
TS		 2500 host_md->msg_stime = tswapl(target_md->msg_stime);
2501 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2502 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2503 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2504 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2505 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2506 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2507 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2508 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2509 return 0;
1bc012f6
TS		 2510}
2511
579a97f7
FB		 2512static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2513 struct msqid_ds *host_md)
1bc012f6
TS		 2514{
2515 struct target_msqid_ds *target_md;
2516
579a97f7
FB		 2517 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2518 return -TARGET_EFAULT;
1c54ff97
AJ		 2519 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2520 return -TARGET_EFAULT;
1bc012f6
TS		 2521 target_md->msg_stime = tswapl(host_md->msg_stime);
2522 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2523 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2524 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2525 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2526 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2527 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2528 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2529 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2530 return 0;
1bc012f6
TS		 2531}
2532
1c54ff97
AJ		 2533struct target_msginfo {
2534 int msgpool;
2535 int msgmap;
2536 int msgmax;
2537 int msgmnb;
2538 int msgmni;
2539 int msgssz;
2540 int msgtql;
2541 unsigned short int msgseg;
2542};
2543
2544static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2545 struct msginfo *host_msginfo)
2546{
2547 struct target_msginfo *target_msginfo;
2548 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2549 return -TARGET_EFAULT;
2550 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2551 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2552 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2553 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2554 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2555 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2556 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2557 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2558 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2559 return 0;
1c54ff97
AJ		 2560}
2561
2562static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2563{
2564 struct msqid_ds dsarg;
1c54ff97
AJ		 2565 struct msginfo msginfo;
2566 abi_long ret = -TARGET_EINVAL;
2567
2568 cmd &= 0xff;
2569
2570 switch (cmd) {
1bc012f6
TS		 2571 case IPC_STAT:
2572 case IPC_SET:
1c54ff97
AJ		 2573 case MSG_STAT:
2574 if (target_to_host_msqid_ds(&dsarg,ptr))
2575 return -TARGET_EFAULT;
2576 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2577 if (host_to_target_msqid_ds(ptr,&dsarg))
2578 return -TARGET_EFAULT;
2579 break;
2580 case IPC_RMID:
2581 ret = get_errno(msgctl(msgid, cmd, NULL));
2582 break;
2583 case IPC_INFO:
2584 case MSG_INFO:
2585 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2586 if (host_to_target_msginfo(ptr, &msginfo))
2587 return -TARGET_EFAULT;
2588 break;
1bc012f6 2589 }
1c54ff97 2590
1bc012f6
TS		 2591 return ret;
2592}
2593
2594struct target_msgbuf {
1c54ff97
AJ		 2595 abi_long mtype;
2596 char mtext[1];
1bc012f6
TS		 2597};
2598
992f48a0
BS		 2599static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2600 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2601{
2602 struct target_msgbuf *target_mb;
2603 struct msgbuf *host_mb;
992f48a0 2604 abi_long ret = 0;
1bc012f6 2605
579a97f7
FB		 2606 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2607 return -TARGET_EFAULT;
1bc012f6 2608 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2609 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2610 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2611 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2612 free(host_mb);
2613 unlock_user_struct(target_mb, msgp, 0);
2614
2615 return ret;
2616}
2617
992f48a0 2618static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2619 unsigned int msgsz, abi_long msgtyp,
992f48a0 2620 int msgflg)
1bc012f6
TS		 2621{
2622 struct target_msgbuf *target_mb;
579a97f7 2623 char *target_mtext;
1bc012f6 2624 struct msgbuf *host_mb;
992f48a0 2625 abi_long ret = 0;
1bc012f6 2626
579a97f7
FB		 2627 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2628 return -TARGET_EFAULT;
1c54ff97 2629
1bc012f6 2630 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2631 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2632
579a97f7
FB		 2633 if (ret > 0) {
2634 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2635 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2636 if (!target_mtext) {
2637 ret = -TARGET_EFAULT;
2638 goto end;
2639 }
1c54ff97 2640 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2641 unlock_user(target_mtext, target_mtext_addr, ret);
2642 }
1c54ff97 2643
1bc012f6
TS		 2644 target_mb->mtype = tswapl(host_mb->mtype);
2645 free(host_mb);
1bc012f6 2646
579a97f7
FB		 2647end:
2648 if (target_mb)
2649 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2650 return ret;
2651}
2652
88a8c984
RV		 2653struct target_shmid_ds
2654{
2655 struct target_ipc_perm shm_perm;
2656 abi_ulong shm_segsz;
2657 abi_ulong shm_atime;
2658#if TARGET_ABI_BITS == 32
2659 abi_ulong __unused1;
2660#endif
2661 abi_ulong shm_dtime;
2662#if TARGET_ABI_BITS == 32
2663 abi_ulong __unused2;
2664#endif
2665 abi_ulong shm_ctime;
2666#if TARGET_ABI_BITS == 32
2667 abi_ulong __unused3;
2668#endif
2669 int shm_cpid;
2670 int shm_lpid;
2671 abi_ulong shm_nattch;
2672 unsigned long int __unused4;
2673 unsigned long int __unused5;
2674};
2675
2676static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2677 abi_ulong target_addr)
2678{
2679 struct target_shmid_ds *target_sd;
2680
2681 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2682 return -TARGET_EFAULT;
2683 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2684 return -TARGET_EFAULT;
2685 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2686 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2687 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2688 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2689 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2690 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2691 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2692 unlock_user_struct(target_sd, target_addr, 0);
2693 return 0;
2694}
2695
2696static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2697 struct shmid_ds *host_sd)
2698{
2699 struct target_shmid_ds *target_sd;
2700
2701 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2702 return -TARGET_EFAULT;
2703 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2704 return -TARGET_EFAULT;
2705 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2706 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2707 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2708 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2709 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2710 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2711 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2712 unlock_user_struct(target_sd, target_addr, 1);
2713 return 0;
2714}
2715
2716struct target_shminfo {
2717 abi_ulong shmmax;
2718 abi_ulong shmmin;
2719 abi_ulong shmmni;
2720 abi_ulong shmseg;
2721 abi_ulong shmall;
2722};
2723
2724static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2725 struct shminfo *host_shminfo)
2726{
2727 struct target_shminfo *target_shminfo;
2728 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2729 return -TARGET_EFAULT;
2730 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2731 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2732 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2733 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2734 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2735 unlock_user_struct(target_shminfo, target_addr, 1);
2736 return 0;
2737}
2738
2739struct target_shm_info {
2740 int used_ids;
2741 abi_ulong shm_tot;
2742 abi_ulong shm_rss;
2743 abi_ulong shm_swp;
2744 abi_ulong swap_attempts;
2745 abi_ulong swap_successes;
2746};
2747
2748static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2749 struct shm_info *host_shm_info)
2750{
2751 struct target_shm_info *target_shm_info;
2752 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2753 return -TARGET_EFAULT;
2754 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2755 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2756 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2757 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2758 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2759 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2760 unlock_user_struct(target_shm_info, target_addr, 1);
2761 return 0;
2762}
2763
2764static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2765{
2766 struct shmid_ds dsarg;
2767 struct shminfo shminfo;
2768 struct shm_info shm_info;
2769 abi_long ret = -TARGET_EINVAL;
2770
2771 cmd &= 0xff;
2772
2773 switch(cmd) {
2774 case IPC_STAT:
2775 case IPC_SET:
2776 case SHM_STAT:
2777 if (target_to_host_shmid_ds(&dsarg, buf))
2778 return -TARGET_EFAULT;
2779 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2780 if (host_to_target_shmid_ds(buf, &dsarg))
2781 return -TARGET_EFAULT;
2782 break;
2783 case IPC_INFO:
2784 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2785 if (host_to_target_shminfo(buf, &shminfo))
2786 return -TARGET_EFAULT;
2787 break;
2788 case SHM_INFO:
2789 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2790 if (host_to_target_shm_info(buf, &shm_info))
2791 return -TARGET_EFAULT;
2792 break;
2793 case IPC_RMID:
2794 case SHM_LOCK:
2795 case SHM_UNLOCK:
2796 ret = get_errno(shmctl(shmid, cmd, NULL));
2797 break;
2798 }
2799
2800 return ret;
2801}
2802
2803static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2804{
2805 abi_long raddr;
2806 void *host_raddr;
2807 struct shmid_ds shm_info;
2808 int i,ret;
2809
2810 /* find out the length of the shared memory segment */
2811 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2812 if (is_error(ret)) {
2813 /* can't get length, bail out */
2814 return ret;
2815 }
2816
2817 mmap_lock();
2818
2819 if (shmaddr)
2820 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2821 else {
2822 abi_ulong mmap_start;
2823
2824 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2825
2826 if (mmap_start == -1) {
2827 errno = ENOMEM;
2828 host_raddr = (void *)-1;
2829 } else
2830 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2831 }
2832
2833 if (host_raddr == (void *)-1) {
2834 mmap_unlock();
2835 return get_errno((long)host_raddr);
2836 }
2837 raddr=h2g((unsigned long)host_raddr);
2838
2839 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2840 PAGE_VALID | PAGE_READ |
2841 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2842
2843 for (i = 0; i < N_SHM_REGIONS; i++) {
2844 if (shm_regions[i].start == 0) {
2845 shm_regions[i].start = raddr;
2846 shm_regions[i].size = shm_info.shm_segsz;
2847 break;
2848 }
2849 }
2850
2851 mmap_unlock();
2852 return raddr;
2853
2854}
2855
2856static inline abi_long do_shmdt(abi_ulong shmaddr)
2857{
2858 int i;
2859
2860 for (i = 0; i < N_SHM_REGIONS; ++i) {
2861 if (shm_regions[i].start == shmaddr) {
2862 shm_regions[i].start = 0;
e00ac249 2863 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 2864 break;
2865 }
2866 }
2867
2868 return get_errno(shmdt(g2h(shmaddr)));
2869}
2870
1c54ff97 2871#ifdef TARGET_NR_ipc
53a5960a 2872/* ??? This only works with linear mappings. */
0da46a6e 2873/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 2874static abi_long do_ipc(unsigned int call, int first,
2875 int second, int third,
2876 abi_long ptr, abi_long fifth)
8853f86e
FB		 2877{
2878 int version;
992f48a0 2879 abi_long ret = 0;
8853f86e
FB		 2880
2881 version = call >> 16;
2882 call &= 0xffff;
2883
2884 switch (call) {
fa294816 2885 case IPCOP_semop:
e5289087 2886 ret = do_semop(first, ptr, second);
fa294816
TS		 2887 break;
2888
2889 case IPCOP_semget:
2890 ret = get_errno(semget(first, second, third));
2891 break;
2892
2893 case IPCOP_semctl:
e5289087 2894 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 2895 break;
d96372ef 2896
1c54ff97
AJ		 2897 case IPCOP_msgget:
2898 ret = get_errno(msgget(first, second));
2899 break;
d96372ef 2900
1c54ff97
AJ		 2901 case IPCOP_msgsnd:
2902 ret = do_msgsnd(first, ptr, second, third);
2903 break;
d96372ef 2904
1c54ff97
AJ		 2905 case IPCOP_msgctl:
2906 ret = do_msgctl(first, second, ptr);
2907 break;
d96372ef 2908
1c54ff97
AJ		 2909 case IPCOP_msgrcv:
2910 switch (version) {
2911 case 0:
2912 {
2913 struct target_ipc_kludge {
2914 abi_long msgp;
2915 abi_long msgtyp;
2916 } *tmp;
2917
2918 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2919 ret = -TARGET_EFAULT;
2920 break;
2921 }
d96372ef 2922
1c54ff97 2923 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 2924
1c54ff97
AJ		 2925 unlock_user_struct(tmp, ptr, 0);
2926 break;
2927 }
2928 default:
2929 ret = do_msgrcv(first, ptr, second, fifth, third);
2930 }
2931 break;
d96372ef 2932
8853f86e 2933 case IPCOP_shmat:
88a8c984
RV		 2934 switch (version) {
2935 default:
5a4a898d
FB		 2936 {
2937 abi_ulong raddr;
88a8c984
RV		 2938 raddr = do_shmat(first, ptr, second);
2939 if (is_error(raddr))
2940 return get_errno(raddr);
2f619698 2941 if (put_user_ual(raddr, third))
5a4a898d 2942 return -TARGET_EFAULT;
88a8c984
RV		 2943 break;
2944 }
2945 case 1:
2946 ret = -TARGET_EINVAL;
2947 break;
5a4a898d 2948 }
8853f86e
FB		 2949 break;
2950 case IPCOP_shmdt:
88a8c984 2951 ret = do_shmdt(ptr);
8853f86e
FB		 2952 break;
2953
2954 case IPCOP_shmget:
2955 /* IPC_* flag values are the same on all linux platforms */
2956 ret = get_errno(shmget(first, second, third));
2957 break;
2958
2959 /* IPC_* and SHM_* command values are the same on all linux platforms */
2960 case IPCOP_shmctl:
88a8c984 2961 ret = do_shmctl(first, second, third);
8853f86e
FB		 2962 break;
2963 default:
32407103 2964 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 2965 ret = -TARGET_ENOSYS;
8853f86e
FB		 2966 break;
2967 }
2968 return ret;
2969}
32407103 2970#endif
8853f86e 2971
31e31b8a
FB		 2972/* kernel structure types definitions */
2973#define IFNAMSIZ 16
2974
001faf32 2975#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 2976#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2977enum {
2978#include "syscall_types.h"
2979};
2980#undef STRUCT
2981#undef STRUCT_SPECIAL
2982
001faf32 2983#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 2984#define STRUCT_SPECIAL(name)
2985#include "syscall_types.h"
2986#undef STRUCT
2987#undef STRUCT_SPECIAL
2988
d2ef05bb
PM		 2989typedef struct IOCTLEntry IOCTLEntry;
2990
2991typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
2992 int fd, abi_long cmd, abi_long arg);
2993
2994struct IOCTLEntry {
2ab83ea7
FB		 2995 unsigned int target_cmd;
2996 unsigned int host_cmd;
31e31b8a
FB		 2997 const char *name;
2998 int access;
d2ef05bb 2999 do_ioctl_fn *do_ioctl;
1a9353d2 3000 const argtype arg_type[5];
d2ef05bb 3001};
31e31b8a
FB		 3002
3003#define IOC_R 0x0001
3004#define IOC_W 0x0002
3005#define IOC_RW (IOC_R | IOC_W)
3006
3007#define MAX_STRUCT_SIZE 4096
3008
dace20dc 3009#ifdef CONFIG_FIEMAP
285da2b9
PM		 3010/* So fiemap access checks don't overflow on 32 bit systems.
3011 * This is very slightly smaller than the limit imposed by
3012 * the underlying kernel.
3013 */
3014#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3015 / sizeof(struct fiemap_extent))
3016
3017static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
3018 int fd, abi_long cmd, abi_long arg)
3019{
3020 /* The parameter for this ioctl is a struct fiemap followed
3021 * by an array of struct fiemap_extent whose size is set
3022 * in fiemap->fm_extent_count. The array is filled in by the
3023 * ioctl.
3024 */
3025 int target_size_in, target_size_out;
3026 struct fiemap *fm;
3027 const argtype *arg_type = ie->arg_type;
3028 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3029 void *argptr, *p;
3030 abi_long ret;
3031 int i, extent_size = thunk_type_size(extent_arg_type, 0);
3032 uint32_t outbufsz;
3033 int free_fm = 0;
3034
3035 assert(arg_type[0] == TYPE_PTR);
3036 assert(ie->access == IOC_RW);
3037 arg_type++;
3038 target_size_in = thunk_type_size(arg_type, 0);
3039 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3040 if (!argptr) {
3041 return -TARGET_EFAULT;
3042 }
3043 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3044 unlock_user(argptr, arg, 0);
3045 fm = (struct fiemap *)buf_temp;
3046 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3047 return -TARGET_EINVAL;
3048 }
3049
3050 outbufsz = sizeof (*fm) +
3051 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3052
3053 if (outbufsz > MAX_STRUCT_SIZE) {
3054 /* We can't fit all the extents into the fixed size buffer.
3055 * Allocate one that is large enough and use it instead.
3056 */
3057 fm = malloc(outbufsz);
3058 if (!fm) {
3059 return -TARGET_ENOMEM;
3060 }
3061 memcpy(fm, buf_temp, sizeof(struct fiemap));
3062 free_fm = 1;
3063 }
3064 ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3065 if (!is_error(ret)) {
3066 target_size_out = target_size_in;
3067 /* An extent_count of 0 means we were only counting the extents
3068 * so there are no structs to copy
3069 */
3070 if (fm->fm_extent_count != 0) {
3071 target_size_out += fm->fm_mapped_extents * extent_size;
3072 }
3073 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3074 if (!argptr) {
3075 ret = -TARGET_EFAULT;
3076 } else {
3077 /* Convert the struct fiemap */
3078 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3079 if (fm->fm_extent_count != 0) {
3080 p = argptr + target_size_in;
3081 /* ...and then all the struct fiemap_extents */
3082 for (i = 0; i < fm->fm_mapped_extents; i++) {
3083 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3084 THUNK_TARGET);
3085 p += extent_size;
3086 }
3087 }
3088 unlock_user(argptr, arg, target_size_out);
3089 }
3090 }
3091 if (free_fm) {
3092 free(fm);
3093 }
3094 return ret;
3095}
dace20dc 3096#endif
285da2b9 3097
9f106a75 3098static IOCTLEntry ioctl_entries[] = {
001faf32 3099#define IOCTL(cmd, access, ...) \
d2ef05bb
PM		 3100 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3101#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3102 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
31e31b8a
FB		 3103#include "ioctls.h"
3104 { 0, 0, },
3105};
3106
53a5960a 3107/* ??? Implement proper locking for ioctls. */
0da46a6e 3108/* do_ioctl() Must return target values and target errnos. */
992f48a0 3109static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 3110{
3111 const IOCTLEntry *ie;
3112 const argtype *arg_type;
992f48a0 3113 abi_long ret;
31e31b8a 3114 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 3115 int target_size;
3116 void *argptr;
31e31b8a
FB		 3117
3118 ie = ioctl_entries;
3119 for(;;) {
3120 if (ie->target_cmd == 0) {
32407103 3121 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 3122 return -TARGET_ENOSYS;
31e31b8a
FB		 3123 }
3124 if (ie->target_cmd == cmd)
3125 break;
3126 ie++;
3127 }
3128 arg_type = ie->arg_type;
9de5e440 3129#if defined(DEBUG)
32407103 3130 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 3131#endif
d2ef05bb
PM		 3132 if (ie->do_ioctl) {
3133 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3134 }
3135
31e31b8a
FB		 3136 switch(arg_type[0]) {
3137 case TYPE_NULL:
3138 /* no argument */
3139 ret = get_errno(ioctl(fd, ie->host_cmd));
3140 break;
3141 case TYPE_PTRVOID:
3142 case TYPE_INT:
3143 /* int argment */
3144 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3145 break;
3146 case TYPE_PTR:
3147 arg_type++;
53a5960a 3148 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 3149 switch(ie->access) {
3150 case IOC_R:
3151 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3152 if (!is_error(ret)) {
579a97f7
FB		 3153 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3154 if (!argptr)
3155 return -TARGET_EFAULT;
53a5960a
PB		 3156 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3157 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3158 }
3159 break;
3160 case IOC_W:
579a97f7
FB		 3161 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3162 if (!argptr)
3163 return -TARGET_EFAULT;
53a5960a
PB		 3164 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3165 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3166 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3167 break;
3168 default:
3169 case IOC_RW:
579a97f7
FB		 3170 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3171 if (!argptr)
3172 return -TARGET_EFAULT;
53a5960a
PB		 3173 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3174 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3175 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3176 if (!is_error(ret)) {
579a97f7
FB		 3177 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3178 if (!argptr)
3179 return -TARGET_EFAULT;
53a5960a
PB		 3180 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3181 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3182 }
3183 break;
3184 }
3185 break;
3186 default:
32407103
JM		 3187 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3188 (long)cmd, arg_type[0]);
0da46a6e 3189 ret = -TARGET_ENOSYS;
31e31b8a
FB		 3190 break;
3191 }
3192 return ret;
3193}
3194
b39bc503 3195static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 3196 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3197 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3198 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3199 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3200 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3201 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3202 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3203 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3204 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3205 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3206 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3207 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3208 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3209 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3210 { 0, 0, 0, 0 }
3211};
3212
b39bc503 3213static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3214 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3215 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3216 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3217 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3218 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3219 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3220 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3221 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3222 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3223 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3224 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3225 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3226 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3227 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3228 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3229 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3230 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3231 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3232 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3233 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3234 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3235 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3236 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3237 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3238 { 0, 0, 0, 0 }
3239};
3240
b39bc503 3241static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3242 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3243 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3244 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3245 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3246 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3247 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3248 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3249 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3250 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3251 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3252 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3253 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3254 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3255 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3256 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3257 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3258 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3259 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3260 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3261 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3262 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3263 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3264 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3265 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3266 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3267 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3268 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3269 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3270 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3271 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3272 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3273 { 0, 0, 0, 0 }
3274};
3275
b39bc503 3276static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3277 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3278 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3279 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3280 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3281 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3282 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3283 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3284 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3285 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3286 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3287 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3288 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3289 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3290 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3291 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3292 { 0, 0, 0, 0 }
3293};
3294
3295static void target_to_host_termios (void *dst, const void *src)
3296{
3297 struct host_termios *host = dst;
3298 const struct target_termios *target = src;
3b46e624 3299
5fafdf24 3300 host->c_iflag =
31e31b8a 3301 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3302 host->c_oflag =
31e31b8a 3303 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3304 host->c_cflag =
31e31b8a 3305 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3306 host->c_lflag =
31e31b8a
FB		 3307 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3308 host->c_line = target->c_line;
3b46e624 3309
44607123 3310 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3311 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3312 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3313 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3314 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3315 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3316 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3317 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3318 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3319 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3320 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3321 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3322 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3323 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3324 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3325 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3326 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3327 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3328}
3b46e624 3329
31e31b8a
FB		 3330static void host_to_target_termios (void *dst, const void *src)
3331{
3332 struct target_termios *target = dst;
3333 const struct host_termios *host = src;
3334
5fafdf24 3335 target->c_iflag =
31e31b8a 3336 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3337 target->c_oflag =
31e31b8a 3338 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3339 target->c_cflag =
31e31b8a 3340 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3341 target->c_lflag =
31e31b8a
FB		 3342 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3343 target->c_line = host->c_line;
3b46e624 3344
44607123 3345 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3346 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3347 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3348 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3349 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3350 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3351 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3352 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3353 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3354 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3355 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3356 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3357 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3358 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3359 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3360 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3361 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3362 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3363}
3364
8e853dc7 3365static const StructEntry struct_termios_def = {
31e31b8a
FB		 3366 .convert = { host_to_target_termios, target_to_host_termios },
3367 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3368 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3369};
3370
5286db75
FB		 3371static bitmask_transtbl mmap_flags_tbl[] = {
3372 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3373 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3374 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3375 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3376 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3377 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3378 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3379 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3380 { 0, 0, 0, 0 }
3381};
3382
2ab83ea7 3383#if defined(TARGET_I386)
6dbad63e
FB		 3384
3385/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3386static uint8_t *ldt_table;
6dbad63e 3387
03acab66 3388static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3389{
3390 int size;
53a5960a 3391 void *p;
6dbad63e
FB		 3392
3393 if (!ldt_table)
3394 return 0;
3395 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3396 if (size > bytecount)
3397 size = bytecount;
579a97f7
FB		 3398 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3399 if (!p)
03acab66 3400 return -TARGET_EFAULT;
579a97f7 3401 /* ??? Should this by byteswapped? */
53a5960a
PB		 3402 memcpy(p, ldt_table, size);
3403 unlock_user(p, ptr, size);
6dbad63e
FB		 3404 return size;
3405}
3406
3407/* XXX: add locking support */
03acab66
FB		 3408static abi_long write_ldt(CPUX86State *env,
3409 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3410{
3411 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3412 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3413 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3414 int seg_not_present, useable, lm;
6dbad63e
FB		 3415 uint32_t *lp, entry_1, entry_2;
3416
3417 if (bytecount != sizeof(ldt_info))
03acab66 3418 return -TARGET_EINVAL;
579a97f7 3419 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3420 return -TARGET_EFAULT;
53a5960a
PB		 3421 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3422 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3423 ldt_info.limit = tswap32(target_ldt_info->limit);
3424 ldt_info.flags = tswap32(target_ldt_info->flags);
3425 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3426
6dbad63e 3427 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3428 return -TARGET_EINVAL;
6dbad63e
FB		 3429 seg_32bit = ldt_info.flags & 1;
3430 contents = (ldt_info.flags >> 1) & 3;
3431 read_exec_only = (ldt_info.flags >> 3) & 1;
3432 limit_in_pages = (ldt_info.flags >> 4) & 1;
3433 seg_not_present = (ldt_info.flags >> 5) & 1;
3434 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3435#ifdef TARGET_ABI32
3436 lm = 0;
3437#else
3438 lm = (ldt_info.flags >> 7) & 1;
3439#endif
6dbad63e
FB		 3440 if (contents == 3) {
3441 if (oldmode)
03acab66 3442 return -TARGET_EINVAL;
6dbad63e 3443 if (seg_not_present == 0)
03acab66 3444 return -TARGET_EINVAL;
6dbad63e
FB		 3445 }
3446 /* allocate the LDT */
3447 if (!ldt_table) {
e441570f
AZ		 3448 env->ldt.base = target_mmap(0,
3449 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3450 PROT_READ|PROT_WRITE,
3451 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3452 if (env->ldt.base == -1)
03acab66 3453 return -TARGET_ENOMEM;
e441570f
AZ		 3454 memset(g2h(env->ldt.base), 0,
3455 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3456 env->ldt.limit = 0xffff;
e441570f 3457 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3458 }
3459
3460 /* NOTE: same code as Linux kernel */
3461 /* Allow LDTs to be cleared by the user. */
3462 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3463 if (oldmode ||
3464 (contents == 0 &&
3465 read_exec_only == 1 &&
3466 seg_32bit == 0 &&
3467 limit_in_pages == 0 &&
3468 seg_not_present == 1 &&
3469 useable == 0 )) {
3470 entry_1 = 0;
3471 entry_2 = 0;
3472 goto install;
3473 }
3474 }
3b46e624 3475
6dbad63e
FB		 3476 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3477 (ldt_info.limit & 0x0ffff);
3478 entry_2 = (ldt_info.base_addr & 0xff000000) |
3479 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3480 (ldt_info.limit & 0xf0000) |
3481 ((read_exec_only ^ 1) << 9) |
3482 (contents << 10) |
3483 ((seg_not_present ^ 1) << 15) |
3484 (seg_32bit << 22) |
3485 (limit_in_pages << 23) |
8d18e893 3486 (lm << 21) |
6dbad63e
FB		 3487 0x7000;
3488 if (!oldmode)
3489 entry_2 |= (useable << 20);
14ae3ba7 3490
6dbad63e
FB		 3491 /* Install the new entry ... */
3492install:
3493 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3494 lp[0] = tswap32(entry_1);
3495 lp[1] = tswap32(entry_2);
3496 return 0;
3497}
3498
3499/* specific and weird i386 syscalls */
8fcd3692
BS		 3500static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3501 unsigned long bytecount)
6dbad63e 3502{
03acab66 3503 abi_long ret;
3b46e624 3504
6dbad63e
FB		 3505 switch (func) {
3506 case 0:
3507 ret = read_ldt(ptr, bytecount);
3508 break;
3509 case 1:
3510 ret = write_ldt(env, ptr, bytecount, 1);
3511 break;
3512 case 0x11:
3513 ret = write_ldt(env, ptr, bytecount, 0);
3514 break;
03acab66
FB		 3515 default:
3516 ret = -TARGET_ENOSYS;
3517 break;
6dbad63e
FB		 3518 }
3519 return ret;
3520}
1b6b029e 3521
4583f589 3522#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 3523static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3524{
3525 uint64_t *gdt_table = g2h(env->gdt.base);
3526 struct target_modify_ldt_ldt_s ldt_info;
3527 struct target_modify_ldt_ldt_s *target_ldt_info;
3528 int seg_32bit, contents, read_exec_only, limit_in_pages;
3529 int seg_not_present, useable, lm;
3530 uint32_t *lp, entry_1, entry_2;
3531 int i;
3532
3533 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3534 if (!target_ldt_info)
3535 return -TARGET_EFAULT;
3536 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3537 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3538 ldt_info.limit = tswap32(target_ldt_info->limit);
3539 ldt_info.flags = tswap32(target_ldt_info->flags);
3540 if (ldt_info.entry_number == -1) {
3541 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3542 if (gdt_table[i] == 0) {
3543 ldt_info.entry_number = i;
3544 target_ldt_info->entry_number = tswap32(i);
3545 break;
3546 }
3547 }
3548 }
3549 unlock_user_struct(target_ldt_info, ptr, 1);
3550
3551 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3552 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3553 return -TARGET_EINVAL;
3554 seg_32bit = ldt_info.flags & 1;
3555 contents = (ldt_info.flags >> 1) & 3;
3556 read_exec_only = (ldt_info.flags >> 3) & 1;
3557 limit_in_pages = (ldt_info.flags >> 4) & 1;
3558 seg_not_present = (ldt_info.flags >> 5) & 1;
3559 useable = (ldt_info.flags >> 6) & 1;
3560#ifdef TARGET_ABI32
3561 lm = 0;
3562#else
3563 lm = (ldt_info.flags >> 7) & 1;
3564#endif
3565
3566 if (contents == 3) {
3567 if (seg_not_present == 0)
3568 return -TARGET_EINVAL;
3569 }
3570
3571 /* NOTE: same code as Linux kernel */
3572 /* Allow LDTs to be cleared by the user. */
3573 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3574 if ((contents == 0 &&
3575 read_exec_only == 1 &&
3576 seg_32bit == 0 &&
3577 limit_in_pages == 0 &&
3578 seg_not_present == 1 &&
3579 useable == 0 )) {
3580 entry_1 = 0;
3581 entry_2 = 0;
3582 goto install;
3583 }
3584 }
3585
3586 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3587 (ldt_info.limit & 0x0ffff);
3588 entry_2 = (ldt_info.base_addr & 0xff000000) |
3589 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3590 (ldt_info.limit & 0xf0000) |
3591 ((read_exec_only ^ 1) << 9) |
3592 (contents << 10) |
3593 ((seg_not_present ^ 1) << 15) |
3594 (seg_32bit << 22) |
3595 (limit_in_pages << 23) |
3596 (useable << 20) |
3597 (lm << 21) |
3598 0x7000;
3599
3600 /* Install the new entry ... */
3601install:
3602 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3603 lp[0] = tswap32(entry_1);
3604 lp[1] = tswap32(entry_2);
3605 return 0;
3606}
3607
8fcd3692 3608static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3609{
3610 struct target_modify_ldt_ldt_s *target_ldt_info;
3611 uint64_t *gdt_table = g2h(env->gdt.base);
3612 uint32_t base_addr, limit, flags;
3613 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3614 int seg_not_present, useable, lm;
3615 uint32_t *lp, entry_1, entry_2;
3616
3617 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3618 if (!target_ldt_info)
3619 return -TARGET_EFAULT;
3620 idx = tswap32(target_ldt_info->entry_number);
3621 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3622 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3623 unlock_user_struct(target_ldt_info, ptr, 1);
3624 return -TARGET_EINVAL;
3625 }
3626 lp = (uint32_t *)(gdt_table + idx);
3627 entry_1 = tswap32(lp[0]);
3628 entry_2 = tswap32(lp[1]);
3629
3630 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3631 contents = (entry_2 >> 10) & 3;
3632 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3633 seg_32bit = (entry_2 >> 22) & 1;
3634 limit_in_pages = (entry_2 >> 23) & 1;
3635 useable = (entry_2 >> 20) & 1;
3636#ifdef TARGET_ABI32
3637 lm = 0;
3638#else
3639 lm = (entry_2 >> 21) & 1;
3640#endif
3641 flags = (seg_32bit << 0) | (contents << 1) |
3642 (read_exec_only << 3) | (limit_in_pages << 4) |
3643 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3644 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3645 base_addr = (entry_1 >> 16) |
3646 (entry_2 & 0xff000000) |
3647 ((entry_2 & 0xff) << 16);
3648 target_ldt_info->base_addr = tswapl(base_addr);
3649 target_ldt_info->limit = tswap32(limit);
3650 target_ldt_info->flags = tswap32(flags);
3651 unlock_user_struct(target_ldt_info, ptr, 1);
3652 return 0;
3653}
4583f589 3654#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 3655
d2fd1af7 3656#ifndef TARGET_ABI32
8fcd3692 3657static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7
FB		 3658{
3659 abi_long ret;
3660 abi_ulong val;
3661 int idx;
3662
3663 switch(code) {
3664 case TARGET_ARCH_SET_GS:
3665 case TARGET_ARCH_SET_FS:
3666 if (code == TARGET_ARCH_SET_GS)
3667 idx = R_GS;
3668 else
3669 idx = R_FS;
3670 cpu_x86_load_seg(env, idx, 0);
3671 env->segs[idx].base = addr;
3672 break;
3673 case TARGET_ARCH_GET_GS:
3674 case TARGET_ARCH_GET_FS:
3675 if (code == TARGET_ARCH_GET_GS)
3676 idx = R_GS;
3677 else
3678 idx = R_FS;
3679 val = env->segs[idx].base;
3680 if (put_user(val, addr, abi_ulong))
3681 return -TARGET_EFAULT;
3682 break;
3683 default:
3684 ret = -TARGET_EINVAL;
3685 break;
3686 }
3687 return 0;
3688}
3689#endif
3690
2ab83ea7
FB		 3691#endif /* defined(TARGET_I386) */
3692
2f7bb878 3693#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3694
3695#define NEW_STACK_SIZE PTHREAD_STACK_MIN
3696
3697static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3698typedef struct {
3699 CPUState *env;
3700 pthread_mutex_t mutex;
3701 pthread_cond_t cond;
3702 pthread_t thread;
3703 uint32_t tid;
3704 abi_ulong child_tidptr;
3705 abi_ulong parent_tidptr;
3706 sigset_t sigmask;
3707} new_thread_info;
3708
3709static void *clone_func(void *arg)
3710{
3711 new_thread_info *info = arg;
3712 CPUState *env;
edf8e2af 3713 TaskState *ts;
d865bab5
PB		 3714
3715 env = info->env;
3716 thread_env = env;
edf8e2af 3717 ts = (TaskState *)thread_env->opaque;
d865bab5 3718 info->tid = gettid();
1e9fa730 3719 env->host_tid = info->tid;
edf8e2af 3720 task_settid(ts);
d865bab5
PB		 3721 if (info->child_tidptr)
3722 put_user_u32(info->tid, info->child_tidptr);
3723 if (info->parent_tidptr)
3724 put_user_u32(info->tid, info->parent_tidptr);
3725 /* Enable signals. */
3726 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3727 /* Signal to the parent that we're ready. */
3728 pthread_mutex_lock(&info->mutex);
3729 pthread_cond_broadcast(&info->cond);
3730 pthread_mutex_unlock(&info->mutex);
3731 /* Wait until the parent has finshed initializing the tls state. */
3732 pthread_mutex_lock(&clone_lock);
3733 pthread_mutex_unlock(&clone_lock);
3734 cpu_loop(env);
3735 /* never exits */
3736 return NULL;
3737}
3738#else
1b6b029e
FB		 3739/* this stack is the equivalent of the kernel stack associated with a
3740 thread/process */
3741#define NEW_STACK_SIZE 8192
3742
3743static int clone_func(void *arg)
3744{
2ab83ea7 3745 CPUState *env = arg;
1b6b029e
FB		 3746 cpu_loop(env);
3747 /* never exits */
3748 return 0;
3749}
d865bab5 3750#endif
1b6b029e 3751
0da46a6e
TS		 3752/* do_fork() Must return host values and target errnos (unlike most
3753 do_*() functions). */
d865bab5
PB		 3754static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3755 abi_ulong parent_tidptr, target_ulong newtls,
3756 abi_ulong child_tidptr)
1b6b029e
FB		 3757{
3758 int ret;
5cd4393b 3759 TaskState *ts;
2ab83ea7 3760 CPUState *new_env;
2f7bb878 3761#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3762 unsigned int nptl_flags;
3763 sigset_t sigmask;
9190749f
RV		 3764#else
3765 uint8_t *new_stack;
d865bab5 3766#endif
3b46e624 3767
436d124b
AZ		 3768 /* Emulate vfork() with fork() */
3769 if (flags & CLONE_VFORK)
3770 flags &= ~(CLONE_VFORK | CLONE_VM);
3771
1b6b029e 3772 if (flags & CLONE_VM) {
edf8e2af 3773 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 3774#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3775 new_thread_info info;
3776 pthread_attr_t attr;
bd0c5661 3777#endif
48e15fc2 3778 ts = qemu_mallocz(sizeof(TaskState));
624f7979 3779 init_task_state(ts);
1b6b029e 3780 /* we create a new CPU instance. */
c5be9f08 3781 new_env = cpu_copy(env);
b4558d74
BS		 3782#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
3783 cpu_reset(new_env);
3784#endif
6e68e076
PB		 3785 /* Init regs that differ from the parent. */
3786 cpu_clone_regs(new_env, newsp);
5cd4393b 3787 new_env->opaque = ts;
edf8e2af
MW		 3788 ts->bprm = parent_ts->bprm;
3789 ts->info = parent_ts->info;
2f7bb878 3790#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3791 nptl_flags = flags;
3792 flags &= ~CLONE_NPTL_FLAGS2;
3793
c2764719
PB		 3794 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3795 ts->child_tidptr = child_tidptr;
3796 }
3797
d865bab5
PB		 3798 if (nptl_flags & CLONE_SETTLS)
3799 cpu_set_tls (new_env, newtls);
3800
3801 /* Grab a mutex so that thread setup appears atomic. */
3802 pthread_mutex_lock(&clone_lock);
3803
3804 memset(&info, 0, sizeof(info));
3805 pthread_mutex_init(&info.mutex, NULL);
3806 pthread_mutex_lock(&info.mutex);
3807 pthread_cond_init(&info.cond, NULL);
3808 info.env = new_env;
3809 if (nptl_flags & CLONE_CHILD_SETTID)
3810 info.child_tidptr = child_tidptr;
3811 if (nptl_flags & CLONE_PARENT_SETTID)
3812 info.parent_tidptr = parent_tidptr;
3813
3814 ret = pthread_attr_init(&attr);
48e15fc2
NF		 3815 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
3816 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
d865bab5
PB		 3817 /* It is not safe to deliver signals until the child has finished
3818 initializing, so temporarily block all signals. */
3819 sigfillset(&sigmask);
3820 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3821
3822 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 3823 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 3824
3825 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3826 pthread_attr_destroy(&attr);
3827 if (ret == 0) {
3828 /* Wait for the child to initialize. */
3829 pthread_cond_wait(&info.cond, &info.mutex);
3830 ret = info.tid;
3831 if (flags & CLONE_PARENT_SETTID)
3832 put_user_u32(ret, parent_tidptr);
3833 } else {
3834 ret = -1;
3835 }
3836 pthread_mutex_unlock(&info.mutex);
3837 pthread_cond_destroy(&info.cond);
3838 pthread_mutex_destroy(&info.mutex);
3839 pthread_mutex_unlock(&clone_lock);
3840#else
3841 if (flags & CLONE_NPTL_FLAGS2)
3842 return -EINVAL;
3843 /* This is probably going to die very quickly, but do it anyway. */
48e15fc2 3844 new_stack = qemu_mallocz (NEW_STACK_SIZE);
27725c1d 3845#ifdef __ia64__
60e99246 3846 ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 3847#else
3848 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 3849#endif
27725c1d 3850#endif
1b6b029e
FB		 3851 } else {
3852 /* if no CLONE_VM, we consider it is a fork */
d865bab5 3853 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 3854 return -EINVAL;
d865bab5 3855 fork_start();
1b6b029e 3856 ret = fork();
d865bab5 3857 if (ret == 0) {
2b1319c8 3858 /* Child Process. */
d865bab5
PB		 3859 cpu_clone_regs(env, newsp);
3860 fork_end(1);
2f7bb878 3861#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 3862 /* There is a race condition here. The parent process could
3863 theoretically read the TID in the child process before the child
3864 tid is set. This would require using either ptrace
3865 (not implemented) or having *_tidptr to point at a shared memory
3866 mapping. We can't repeat the spinlock hack used above because
3867 the child process gets its own copy of the lock. */
d865bab5
PB		 3868 if (flags & CLONE_CHILD_SETTID)
3869 put_user_u32(gettid(), child_tidptr);
3870 if (flags & CLONE_PARENT_SETTID)
3871 put_user_u32(gettid(), parent_tidptr);
3872 ts = (TaskState *)env->opaque;
3873 if (flags & CLONE_SETTLS)
3874 cpu_set_tls (env, newtls);
c2764719
PB		 3875 if (flags & CLONE_CHILD_CLEARTID)
3876 ts->child_tidptr = child_tidptr;
2b1319c8 3877#endif
d865bab5
PB		 3878 } else {
3879 fork_end(0);
3880 }
1b6b029e
FB		 3881 }
3882 return ret;
3883}
3884
5f106811
APR		 3885/* warning : doesn't handle linux specific flags... */
3886static int target_to_host_fcntl_cmd(int cmd)
3887{
3888 switch(cmd) {
3889 case TARGET_F_DUPFD:
3890 case TARGET_F_GETFD:
3891 case TARGET_F_SETFD:
3892 case TARGET_F_GETFL:
3893 case TARGET_F_SETFL:
3894 return cmd;
3895 case TARGET_F_GETLK:
3896 return F_GETLK;
3897 case TARGET_F_SETLK:
3898 return F_SETLK;
3899 case TARGET_F_SETLKW:
3900 return F_SETLKW;
3901 case TARGET_F_GETOWN:
3902 return F_GETOWN;
3903 case TARGET_F_SETOWN:
3904 return F_SETOWN;
3905 case TARGET_F_GETSIG:
3906 return F_GETSIG;
3907 case TARGET_F_SETSIG:
3908 return F_SETSIG;
3909#if TARGET_ABI_BITS == 32
3910 case TARGET_F_GETLK64:
3911 return F_GETLK64;
3912 case TARGET_F_SETLK64:
3913 return F_SETLK64;
3914 case TARGET_F_SETLKW64:
3915 return F_SETLKW64;
3916#endif
7e22e546
UH		 3917 case TARGET_F_SETLEASE:
3918 return F_SETLEASE;
3919 case TARGET_F_GETLEASE:
3920 return F_GETLEASE;
fbd5de9b 3921#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 3922 case TARGET_F_DUPFD_CLOEXEC:
3923 return F_DUPFD_CLOEXEC;
fbd5de9b 3924#endif
7e22e546
UH		 3925 case TARGET_F_NOTIFY:
3926 return F_NOTIFY;
5f106811
APR		 3927 default:
3928 return -TARGET_EINVAL;
3929 }
3930 return -TARGET_EINVAL;
3931}
3932
992f48a0 3933static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 3934{
3935 struct flock fl;
53a5960a 3936 struct target_flock *target_fl;
43f238d7
TS		 3937 struct flock64 fl64;
3938 struct target_flock64 *target_fl64;
992f48a0 3939 abi_long ret;
5f106811
APR		 3940 int host_cmd = target_to_host_fcntl_cmd(cmd);
3941
3942 if (host_cmd == -TARGET_EINVAL)
3943 return host_cmd;
53a5960a 3944
7775e9ec
FB		 3945 switch(cmd) {
3946 case TARGET_F_GETLK:
579a97f7
FB		 3947 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3948 return -TARGET_EFAULT;
5813427b
TS		 3949 fl.l_type = tswap16(target_fl->l_type);
3950 fl.l_whence = tswap16(target_fl->l_whence);
3951 fl.l_start = tswapl(target_fl->l_start);
3952 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3953 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 3954 unlock_user_struct(target_fl, arg, 0);
5f106811 3955 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3956 if (ret == 0) {
579a97f7
FB		 3957 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3958 return -TARGET_EFAULT;
7775e9ec
FB		 3959 target_fl->l_type = tswap16(fl.l_type);
3960 target_fl->l_whence = tswap16(fl.l_whence);
3961 target_fl->l_start = tswapl(fl.l_start);
3962 target_fl->l_len = tswapl(fl.l_len);
7e22e546 3963 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 3964 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 3965 }
3966 break;
3b46e624 3967
7775e9ec
FB		 3968 case TARGET_F_SETLK:
3969 case TARGET_F_SETLKW:
579a97f7
FB		 3970 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3971 return -TARGET_EFAULT;
7775e9ec
FB		 3972 fl.l_type = tswap16(target_fl->l_type);
3973 fl.l_whence = tswap16(target_fl->l_whence);
3974 fl.l_start = tswapl(target_fl->l_start);
3975 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3976 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 3977 unlock_user_struct(target_fl, arg, 0);
5f106811 3978 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3979 break;
3b46e624 3980
7775e9ec 3981 case TARGET_F_GETLK64:
579a97f7
FB		 3982 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3983 return -TARGET_EFAULT;
5813427b
TS		 3984 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3985 fl64.l_whence = tswap16(target_fl64->l_whence);
3986 fl64.l_start = tswapl(target_fl64->l_start);
3987 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 3988 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 3989 unlock_user_struct(target_fl64, arg, 0);
5f106811 3990 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 3991 if (ret == 0) {
579a97f7
FB		 3992 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3993 return -TARGET_EFAULT;
43f238d7
TS		 3994 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3995 target_fl64->l_whence = tswap16(fl64.l_whence);
3996 target_fl64->l_start = tswapl(fl64.l_start);
3997 target_fl64->l_len = tswapl(fl64.l_len);
7e22e546 3998 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 3999 unlock_user_struct(target_fl64, arg, 1);
4000 }
9ee1fa2c 4001 break;
7775e9ec
FB		 4002 case TARGET_F_SETLK64:
4003 case TARGET_F_SETLKW64:
579a97f7
FB		 4004 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4005 return -TARGET_EFAULT;
43f238d7
TS		 4006 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4007 fl64.l_whence = tswap16(target_fl64->l_whence);
4008 fl64.l_start = tswapl(target_fl64->l_start);
4009 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 4010 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 4011 unlock_user_struct(target_fl64, arg, 0);
5f106811 4012 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 4013 break;
4014
5f106811
APR		 4015 case TARGET_F_GETFL:
4016 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 4017 if (ret >= 0) {
4018 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4019 }
ffa65c3b
FB		 4020 break;
4021
5f106811
APR		 4022 case TARGET_F_SETFL:
4023 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4024 break;
4025
4026 case TARGET_F_SETOWN:
4027 case TARGET_F_GETOWN:
4028 case TARGET_F_SETSIG:
4029 case TARGET_F_GETSIG:
7e22e546
UH		 4030 case TARGET_F_SETLEASE:
4031 case TARGET_F_GETLEASE:
5f106811 4032 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 4033 break;
4034
7775e9ec 4035 default:
9ee1fa2c 4036 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 4037 break;
4038 }
4039 return ret;
4040}
4041
67867308 4042#ifdef USE_UID16
7775e9ec 4043
67867308
FB		 4044static inline int high2lowuid(int uid)
4045{
4046 if (uid > 65535)
4047 return 65534;
4048 else
4049 return uid;
4050}
4051
4052static inline int high2lowgid(int gid)
4053{
4054 if (gid > 65535)
4055 return 65534;
4056 else
4057 return gid;
4058}
4059
4060static inline int low2highuid(int uid)
4061{
4062 if ((int16_t)uid == -1)
4063 return -1;
4064 else
4065 return uid;
4066}
4067
4068static inline int low2highgid(int gid)
4069{
4070 if ((int16_t)gid == -1)
4071 return -1;
4072 else
4073 return gid;
4074}
4075
4076#endif /* USE_UID16 */
1b6b029e 4077
31e31b8a
FB		 4078void syscall_init(void)
4079{
2ab83ea7
FB		 4080 IOCTLEntry *ie;
4081 const argtype *arg_type;
4082 int size;
b92c47c1 4083 int i;
2ab83ea7 4084
001faf32 4085#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 4086#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 4087#include "syscall_types.h"
4088#undef STRUCT
4089#undef STRUCT_SPECIAL
2ab83ea7
FB		 4090
4091 /* we patch the ioctl size if necessary. We rely on the fact that
4092 no ioctl has all the bits at '1' in the size field */
4093 ie = ioctl_entries;
4094 while (ie->target_cmd != 0) {
4095 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4096 TARGET_IOC_SIZEMASK) {
4097 arg_type = ie->arg_type;
4098 if (arg_type[0] != TYPE_PTR) {
5fafdf24 4099 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 4100 ie->target_cmd);
4101 exit(1);
4102 }
4103 arg_type++;
4104 size = thunk_type_size(arg_type, 0);
5fafdf24 4105 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 4106 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4107 (size << TARGET_IOC_SIZESHIFT);
4108 }
b92c47c1
TS		 4109
4110 /* Build target_to_host_errno_table[] table from
4111 * host_to_target_errno_table[]. */
4112 for (i=0; i < ERRNO_TABLE_SIZE; i++)
4113 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4114
2ab83ea7 4115 /* automatic consistency check if same arch */
872ea0c0
AZ		 4116#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4117 (defined(__x86_64__) && defined(TARGET_X86_64))
4118 if (unlikely(ie->target_cmd != ie->host_cmd)) {
4119 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4120 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 4121 }
4122#endif
4123 ie++;
4124 }
31e31b8a 4125}
c573ff67 4126
992f48a0 4127#if TARGET_ABI_BITS == 32
ce4defa0
PB		 4128static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4129{
af325d36 4130#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 4131 return ((uint64_t)word0 << 32) | word1;
4132#else
4133 return ((uint64_t)word1 << 32) | word0;
4134#endif
4135}
992f48a0 4136#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 4137static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4138{
4139 return word0;
4140}
992f48a0 4141#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 4142
4143#ifdef TARGET_NR_truncate64
992f48a0
BS		 4144static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4145 abi_long arg2,
4146 abi_long arg3,
4147 abi_long arg4)
ce4defa0
PB		 4148{
4149#ifdef TARGET_ARM
4150 if (((CPUARMState *)cpu_env)->eabi)
4151 {
4152 arg2 = arg3;
4153 arg3 = arg4;
4154 }
4155#endif
4156 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4157}
4158#endif
4159
4160#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 4161static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4162 abi_long arg2,
4163 abi_long arg3,
4164 abi_long arg4)
ce4defa0
PB		 4165{
4166#ifdef TARGET_ARM
4167 if (((CPUARMState *)cpu_env)->eabi)
4168 {
4169 arg2 = arg3;
4170 arg3 = arg4;
4171 }
4172#endif
4173 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4174}
4175#endif
4176
579a97f7
FB		 4177static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4178 abi_ulong target_addr)
53a5960a
PB		 4179{
4180 struct target_timespec *target_ts;
4181
579a97f7
FB		 4182 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4183 return -TARGET_EFAULT;
53a5960a
PB		 4184 host_ts->tv_sec = tswapl(target_ts->tv_sec);
4185 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
4186 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 4187 return 0;
53a5960a
PB		 4188}
4189
579a97f7
FB		 4190static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4191 struct timespec *host_ts)
53a5960a
PB		 4192{
4193 struct target_timespec *target_ts;
4194
579a97f7
FB		 4195 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4196 return -TARGET_EFAULT;
53a5960a
PB		 4197 target_ts->tv_sec = tswapl(host_ts->tv_sec);
4198 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
4199 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 4200 return 0;
53a5960a
PB		 4201}
4202
9d33b76b 4203#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 4204static inline abi_long host_to_target_stat64(void *cpu_env,
4205 abi_ulong target_addr,
4206 struct stat *host_st)
4207{
4208#ifdef TARGET_ARM
4209 if (((CPUARMState *)cpu_env)->eabi) {
4210 struct target_eabi_stat64 *target_st;
4211
4212 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4213 return -TARGET_EFAULT;
4214 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4215 __put_user(host_st->st_dev, &target_st->st_dev);
4216 __put_user(host_st->st_ino, &target_st->st_ino);
4217#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4218 __put_user(host_st->st_ino, &target_st->__st_ino);
4219#endif
4220 __put_user(host_st->st_mode, &target_st->st_mode);
4221 __put_user(host_st->st_nlink, &target_st->st_nlink);
4222 __put_user(host_st->st_uid, &target_st->st_uid);
4223 __put_user(host_st->st_gid, &target_st->st_gid);
4224 __put_user(host_st->st_rdev, &target_st->st_rdev);
4225 __put_user(host_st->st_size, &target_st->st_size);
4226 __put_user(host_st->st_blksize, &target_st->st_blksize);
4227 __put_user(host_st->st_blocks, &target_st->st_blocks);
4228 __put_user(host_st->st_atime, &target_st->target_st_atime);
4229 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4230 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4231 unlock_user_struct(target_st, target_addr, 1);
4232 } else
4233#endif
4234 {
ed18c5ce 4235#if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
9d33b76b
AJ		 4236 struct target_stat *target_st;
4237#else
6a24a778 4238 struct target_stat64 *target_st;
9d33b76b 4239#endif
6a24a778
AZ		 4240
4241 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4242 return -TARGET_EFAULT;
9d33b76b 4243 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4244 __put_user(host_st->st_dev, &target_st->st_dev);
4245 __put_user(host_st->st_ino, &target_st->st_ino);
4246#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4247 __put_user(host_st->st_ino, &target_st->__st_ino);
4248#endif
4249 __put_user(host_st->st_mode, &target_st->st_mode);
4250 __put_user(host_st->st_nlink, &target_st->st_nlink);
4251 __put_user(host_st->st_uid, &target_st->st_uid);
4252 __put_user(host_st->st_gid, &target_st->st_gid);
4253 __put_user(host_st->st_rdev, &target_st->st_rdev);
4254 /* XXX: better use of kernel struct */
4255 __put_user(host_st->st_size, &target_st->st_size);
4256 __put_user(host_st->st_blksize, &target_st->st_blksize);
4257 __put_user(host_st->st_blocks, &target_st->st_blocks);
4258 __put_user(host_st->st_atime, &target_st->target_st_atime);
4259 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4260 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4261 unlock_user_struct(target_st, target_addr, 1);
4262 }
4263
4264 return 0;
4265}
4266#endif
4267
2f7bb878 4268#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 4269/* ??? Using host futex calls even when target atomic operations
4270 are not really atomic probably breaks things. However implementing
4271 futexes locally would make futexes shared between multiple processes
4272 tricky. However they're probably useless because guest atomic
4273 operations won't work either. */
8fcd3692
BS		 4274static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4275 target_ulong uaddr2, int val3)
bd0c5661
PB		 4276{
4277 struct timespec ts, *pts;
a16aae0c 4278 int base_op;
bd0c5661
PB		 4279
4280 /* ??? We assume FUTEX_* constants are the same on both host
4281 and target. */
a29ccd63 4282#ifdef FUTEX_CMD_MASK
a16aae0c 4283 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4284#else
a16aae0c 4285 base_op = op;
a29ccd63 4286#endif
a16aae0c 4287 switch (base_op) {
bd0c5661
PB		 4288 case FUTEX_WAIT:
4289 if (timeout) {
4290 pts = &ts;
4291 target_to_host_timespec(pts, timeout);
4292 } else {
4293 pts = NULL;
4294 }
a29ccd63 4295 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4296 pts, NULL, 0));
4297 case FUTEX_WAKE:
a29ccd63 4298 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4299 case FUTEX_FD:
a29ccd63 4300 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4301 case FUTEX_REQUEUE:
bd0c5661 4302 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4303 case FUTEX_WAKE_OP:
4304 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4305 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4306 But the prototype takes a `struct timespec *'; insert casts
4307 to satisfy the compiler. We do not need to tswap TIMEOUT
4308 since it's not compared to guest memory. */
4309 pts = (struct timespec *)(uintptr_t) timeout;
4310 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4311 g2h(uaddr2),
4312 (base_op == FUTEX_CMP_REQUEUE
4313 ? tswap32(val3)
4314 : val3)));
bd0c5661
PB		 4315 default:
4316 return -TARGET_ENOSYS;
4317 }
4318}
4319#endif
4320
1d9d8b55
PB		 4321/* Map host to target signal numbers for the wait family of syscalls.
4322 Assume all other status bits are the same. */
4323static int host_to_target_waitstatus(int status)
4324{
4325 if (WIFSIGNALED(status)) {
4326 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4327 }
4328 if (WIFSTOPPED(status)) {
4329 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4330 | (status & 0xff);
4331 }
4332 return status;
4333}
4334
a745ec6d
PB		 4335int get_osversion(void)
4336{
4337 static int osversion;
4338 struct new_utsname buf;
4339 const char *s;
4340 int i, n, tmp;
4341 if (osversion)
4342 return osversion;
4343 if (qemu_uname_release && *qemu_uname_release) {
4344 s = qemu_uname_release;
4345 } else {
4346 if (sys_uname(&buf))
4347 return 0;
4348 s = buf.release;
4349 }
4350 tmp = 0;
4351 for (i = 0; i < 3; i++) {
4352 n = 0;
4353 while (*s >= '0' && *s <= '9') {
4354 n *= 10;
4355 n += *s - '0';
4356 s++;
4357 }
4358 tmp = (tmp << 8) + n;
4359 if (*s == '.')
4360 s++;
4361 }
4362 osversion = tmp;
4363 return osversion;
4364}
4365
0da46a6e
TS		 4366/* do_syscall() should always have a single exit point at the end so
4367 that actions, such as logging of syscall results, can be performed.
4368 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 4369abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4370 abi_long arg2, abi_long arg3, abi_long arg4,
4371 abi_long arg5, abi_long arg6)
31e31b8a 4372{
992f48a0 4373 abi_long ret;
31e31b8a 4374 struct stat st;
56c8f68f 4375 struct statfs stfs;
53a5960a 4376 void *p;
3b46e624 4377
72f03900 4378#ifdef DEBUG
c573ff67 4379 gemu_log("syscall %d", num);
72f03900 4380#endif
b92c47c1
TS		 4381 if(do_strace)
4382 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4383
31e31b8a
FB		 4384 switch(num) {
4385 case TARGET_NR_exit:
2f7bb878 4386#ifdef CONFIG_USE_NPTL
c2764719
PB		 4387 /* In old applications this may be used to implement _exit(2).
4388 However in threaded applictions it is used for thread termination,
4389 and _exit_group is used for application termination.
4390 Do thread termination if we have more then one thread. */
4391 /* FIXME: This probably breaks if a signal arrives. We should probably
4392 be disabling signals. */
4393 if (first_cpu->next_cpu) {
1e9fa730 4394 TaskState *ts;
c2764719
PB		 4395 CPUState **lastp;
4396 CPUState *p;
4397
4398 cpu_list_lock();
4399 lastp = &first_cpu;
4400 p = first_cpu;
4401 while (p && p != (CPUState *)cpu_env) {
4402 lastp = &p->next_cpu;
4403 p = p->next_cpu;
4404 }
4405 /* If we didn't find the CPU for this thread then something is
4406 horribly wrong. */
4407 if (!p)
4408 abort();
4409 /* Remove the CPU from the list. */
4410 *lastp = p->next_cpu;
4411 cpu_list_unlock();
1e9fa730 4412 ts = ((CPUState *)cpu_env)->opaque;
c2764719
PB		 4413 if (ts->child_tidptr) {
4414 put_user_u32(0, ts->child_tidptr);
4415 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4416 NULL, NULL, 0);
4417 }
48e15fc2
NF		 4418 thread_env = NULL;
4419 qemu_free(cpu_env);
4420 qemu_free(ts);
c2764719
PB		 4421 pthread_exit(NULL);
4422 }
4423#endif
9788c9ca 4424#ifdef TARGET_GPROF
7d13299d
FB		 4425 _mcleanup();
4426#endif
e9009676 4427 gdb_exit(cpu_env, arg1);
c2764719 4428 _exit(arg1);
31e31b8a
FB		 4429 ret = 0; /* avoid warning */
4430 break;
4431 case TARGET_NR_read:
38d840e6
AJ		 4432 if (arg3 == 0)
4433 ret = 0;
4434 else {
4435 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4436 goto efault;
4437 ret = get_errno(read(arg1, p, arg3));
4438 unlock_user(p, arg2, ret);
4439 }
31e31b8a
FB		 4440 break;
4441 case TARGET_NR_write:
579a97f7
FB		 4442 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4443 goto efault;
53a5960a
PB		 4444 ret = get_errno(write(arg1, p, arg3));
4445 unlock_user(p, arg2, 0);
31e31b8a
FB		 4446 break;
4447 case TARGET_NR_open:
2f619698
FB		 4448 if (!(p = lock_user_string(arg1)))
4449 goto efault;
53a5960a 4450 ret = get_errno(open(path(p),
ffa65c3b
FB		 4451 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4452 arg3));
53a5960a 4453 unlock_user(p, arg1, 0);
31e31b8a 4454 break;
82424832
TS		 4455#if defined(TARGET_NR_openat) && defined(__NR_openat)
4456 case TARGET_NR_openat:
579a97f7
FB		 4457 if (!(p = lock_user_string(arg2)))
4458 goto efault;
4459 ret = get_errno(sys_openat(arg1,
4460 path(p),
4461 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4462 arg4));
4463 unlock_user(p, arg2, 0);
82424832
TS		 4464 break;
4465#endif
31e31b8a
FB		 4466 case TARGET_NR_close:
4467 ret = get_errno(close(arg1));
4468 break;
4469 case TARGET_NR_brk:
53a5960a 4470 ret = do_brk(arg1);
31e31b8a
FB		 4471 break;
4472 case TARGET_NR_fork:
d865bab5 4473 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 4474 break;
e5febef5 4475#ifdef TARGET_NR_waitpid
31e31b8a
FB		 4476 case TARGET_NR_waitpid:
4477 {
53a5960a
PB		 4478 int status;
4479 ret = get_errno(waitpid(arg1, &status, arg3));
2f619698 4480 if (!is_error(ret) && arg2
1d9d8b55 4481 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 4482 goto efault;
31e31b8a
FB		 4483 }
4484 break;
e5febef5 4485#endif
f0cbb613
PB		 4486#ifdef TARGET_NR_waitid
4487 case TARGET_NR_waitid:
4488 {
4489 siginfo_t info;
4490 info.si_pid = 0;
4491 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4492 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 4493 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 4494 goto efault;
4495 host_to_target_siginfo(p, &info);
c227f099 4496 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 4497 }
4498 }
4499 break;
4500#endif
7a3148a9 4501#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 4502 case TARGET_NR_creat:
579a97f7
FB		 4503 if (!(p = lock_user_string(arg1)))
4504 goto efault;
53a5960a
PB		 4505 ret = get_errno(creat(p, arg2));
4506 unlock_user(p, arg1, 0);
31e31b8a 4507 break;
7a3148a9 4508#endif
31e31b8a 4509 case TARGET_NR_link:
53a5960a
PB		 4510 {
4511 void * p2;
4512 p = lock_user_string(arg1);
4513 p2 = lock_user_string(arg2);
579a97f7
FB		 4514 if (!p || !p2)
4515 ret = -TARGET_EFAULT;
4516 else
4517 ret = get_errno(link(p, p2));
53a5960a
PB		 4518 unlock_user(p2, arg2, 0);
4519 unlock_user(p, arg1, 0);
4520 }
31e31b8a 4521 break;
64f0ce4c
TS		 4522#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4523 case TARGET_NR_linkat:
64f0ce4c
TS		 4524 {
4525 void * p2 = NULL;
579a97f7
FB		 4526 if (!arg2 || !arg4)
4527 goto efault;
64f0ce4c
TS		 4528 p = lock_user_string(arg2);
4529 p2 = lock_user_string(arg4);
579a97f7 4530 if (!p || !p2)
0da46a6e 4531 ret = -TARGET_EFAULT;
64f0ce4c
TS		 4532 else
4533 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 4534 unlock_user(p, arg2, 0);
4535 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 4536 }
4537 break;
4538#endif
31e31b8a 4539 case TARGET_NR_unlink:
579a97f7
FB		 4540 if (!(p = lock_user_string(arg1)))
4541 goto efault;
53a5960a
PB		 4542 ret = get_errno(unlink(p));
4543 unlock_user(p, arg1, 0);
31e31b8a 4544 break;
8170f56b
TS		 4545#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4546 case TARGET_NR_unlinkat:
579a97f7
FB		 4547 if (!(p = lock_user_string(arg2)))
4548 goto efault;
4549 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4550 unlock_user(p, arg2, 0);
ed494d87 4551 break;
b7d35e65 4552#endif
31e31b8a 4553 case TARGET_NR_execve:
7854b056
FB		 4554 {
4555 char **argp, **envp;
f7341ff4 4556 int argc, envc;
992f48a0
BS		 4557 abi_ulong gp;
4558 abi_ulong guest_argp;
4559 abi_ulong guest_envp;
4560 abi_ulong addr;
7854b056
FB		 4561 char **q;
4562
f7341ff4 4563 argc = 0;
53a5960a 4564 guest_argp = arg2;
da94d263 4565 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4566 if (get_user_ual(addr, gp))
2f619698 4567 goto efault;
03aa1976 4568 if (!addr)
2f619698 4569 break;
7854b056 4570 argc++;
2f619698 4571 }
f7341ff4 4572 envc = 0;
53a5960a 4573 guest_envp = arg3;
da94d263 4574 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4575 if (get_user_ual(addr, gp))
2f619698 4576 goto efault;
03aa1976 4577 if (!addr)
2f619698 4578 break;
7854b056 4579 envc++;
2f619698 4580 }
7854b056 4581
f7341ff4
FB		 4582 argp = alloca((argc + 1) * sizeof(void *));
4583 envp = alloca((envc + 1) * sizeof(void *));
7854b056 4584
da94d263 4585 for (gp = guest_argp, q = argp; gp;
992f48a0 4586 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4587 if (get_user_ual(addr, gp))
4588 goto execve_efault;
53a5960a
PB		 4589 if (!addr)
4590 break;
2f619698
FB		 4591 if (!(*q = lock_user_string(addr)))
4592 goto execve_efault;
53a5960a 4593 }
f7341ff4
FB		 4594 *q = NULL;
4595
da94d263 4596 for (gp = guest_envp, q = envp; gp;
992f48a0 4597 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4598 if (get_user_ual(addr, gp))
4599 goto execve_efault;
53a5960a
PB		 4600 if (!addr)
4601 break;
2f619698
FB		 4602 if (!(*q = lock_user_string(addr)))
4603 goto execve_efault;
53a5960a 4604 }
f7341ff4 4605 *q = NULL;
7854b056 4606
2f619698
FB		 4607 if (!(p = lock_user_string(arg1)))
4608 goto execve_efault;
53a5960a
PB		 4609 ret = get_errno(execve(p, argp, envp));
4610 unlock_user(p, arg1, 0);
4611
2f619698
FB		 4612 goto execve_end;
4613
4614 execve_efault:
4615 ret = -TARGET_EFAULT;
4616
4617 execve_end:
53a5960a 4618 for (gp = guest_argp, q = argp; *q;
992f48a0 4619 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4620 if (get_user_ual(addr, gp)
4621 || !addr)
4622 break;
53a5960a
PB		 4623 unlock_user(*q, addr, 0);
4624 }
4625 for (gp = guest_envp, q = envp; *q;
992f48a0 4626 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4627 if (get_user_ual(addr, gp)
4628 || !addr)
4629 break;
53a5960a
PB		 4630 unlock_user(*q, addr, 0);
4631 }
7854b056 4632 }
31e31b8a
FB		 4633 break;
4634 case TARGET_NR_chdir:
579a97f7
FB		 4635 if (!(p = lock_user_string(arg1)))
4636 goto efault;
53a5960a
PB		 4637 ret = get_errno(chdir(p));
4638 unlock_user(p, arg1, 0);
31e31b8a 4639 break;
a315a145 4640#ifdef TARGET_NR_time
31e31b8a
FB		 4641 case TARGET_NR_time:
4642 {
53a5960a
PB		 4643 time_t host_time;
4644 ret = get_errno(time(&host_time));
2f619698
FB		 4645 if (!is_error(ret)
4646 && arg1
4647 && put_user_sal(host_time, arg1))
4648 goto efault;
31e31b8a
FB		 4649 }
4650 break;
a315a145 4651#endif
31e31b8a 4652 case TARGET_NR_mknod:
579a97f7
FB		 4653 if (!(p = lock_user_string(arg1)))
4654 goto efault;
53a5960a
PB		 4655 ret = get_errno(mknod(p, arg2, arg3));
4656 unlock_user(p, arg1, 0);
31e31b8a 4657 break;
75ac37a0
TS		 4658#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4659 case TARGET_NR_mknodat:
579a97f7
FB		 4660 if (!(p = lock_user_string(arg2)))
4661 goto efault;
4662 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4663 unlock_user(p, arg2, 0);
75ac37a0
TS		 4664 break;
4665#endif
31e31b8a 4666 case TARGET_NR_chmod:
579a97f7
FB		 4667 if (!(p = lock_user_string(arg1)))
4668 goto efault;
53a5960a
PB		 4669 ret = get_errno(chmod(p, arg2));
4670 unlock_user(p, arg1, 0);
31e31b8a 4671 break;
ebc05488 4672#ifdef TARGET_NR_break
31e31b8a
FB		 4673 case TARGET_NR_break:
4674 goto unimplemented;
ebc05488
FB		 4675#endif
4676#ifdef TARGET_NR_oldstat
31e31b8a
FB		 4677 case TARGET_NR_oldstat:
4678 goto unimplemented;
ebc05488 4679#endif
31e31b8a
FB		 4680 case TARGET_NR_lseek:
4681 ret = get_errno(lseek(arg1, arg2, arg3));
4682 break;
9231733a
RH		 4683#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
4684 /* Alpha specific */
7a3148a9 4685 case TARGET_NR_getxpid:
9231733a
RH		 4686 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
4687 ret = get_errno(getpid());
4688 break;
7a3148a9 4689#endif
9231733a
RH		 4690#ifdef TARGET_NR_getpid
4691 case TARGET_NR_getpid:
31e31b8a
FB		 4692 ret = get_errno(getpid());
4693 break;
9231733a 4694#endif
31e31b8a 4695 case TARGET_NR_mount:
80265918
TS		 4696 {
4697 /* need to look at the data field */
4698 void *p2, *p3;
4699 p = lock_user_string(arg1);
4700 p2 = lock_user_string(arg2);
4701 p3 = lock_user_string(arg3);
579a97f7
FB		 4702 if (!p || !p2 || !p3)
4703 ret = -TARGET_EFAULT;
dab46405 4704 else {
579a97f7
FB		 4705 /* FIXME - arg5 should be locked, but it isn't clear how to
4706 * do that since it's not guaranteed to be a NULL-terminated
4707 * string.
4708 */
dab46405
JSM		 4709 if ( ! arg5 )
4710 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
4711 else
4712 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4713 }
579a97f7
FB		 4714 unlock_user(p, arg1, 0);
4715 unlock_user(p2, arg2, 0);
4716 unlock_user(p3, arg3, 0);
80265918
TS		 4717 break;
4718 }
e5febef5 4719#ifdef TARGET_NR_umount
31e31b8a 4720 case TARGET_NR_umount:
579a97f7
FB		 4721 if (!(p = lock_user_string(arg1)))
4722 goto efault;
53a5960a
PB		 4723 ret = get_errno(umount(p));
4724 unlock_user(p, arg1, 0);
31e31b8a 4725 break;
e5febef5 4726#endif
7a3148a9 4727#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 4728 case TARGET_NR_stime:
4729 {
53a5960a 4730 time_t host_time;
2f619698
FB		 4731 if (get_user_sal(host_time, arg1))
4732 goto efault;
53a5960a 4733 ret = get_errno(stime(&host_time));
31e31b8a
FB		 4734 }
4735 break;
7a3148a9 4736#endif
31e31b8a
FB		 4737 case TARGET_NR_ptrace:
4738 goto unimplemented;
7a3148a9 4739#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 4740 case TARGET_NR_alarm:
4741 ret = alarm(arg1);
4742 break;
7a3148a9 4743#endif
ebc05488 4744#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 4745 case TARGET_NR_oldfstat:
4746 goto unimplemented;
ebc05488 4747#endif
7a3148a9 4748#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 4749 case TARGET_NR_pause:
4750 ret = get_errno(pause());
4751 break;
7a3148a9 4752#endif
e5febef5 4753#ifdef TARGET_NR_utime
31e31b8a 4754 case TARGET_NR_utime:
ebc05488 4755 {
53a5960a
PB		 4756 struct utimbuf tbuf, *host_tbuf;
4757 struct target_utimbuf *target_tbuf;
4758 if (arg2) {
579a97f7
FB		 4759 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4760 goto efault;
53a5960a
PB		 4761 tbuf.actime = tswapl(target_tbuf->actime);
4762 tbuf.modtime = tswapl(target_tbuf->modtime);
4763 unlock_user_struct(target_tbuf, arg2, 0);
4764 host_tbuf = &tbuf;
f72e8ff4 4765 } else {
53a5960a 4766 host_tbuf = NULL;
f72e8ff4 4767 }
579a97f7
FB		 4768 if (!(p = lock_user_string(arg1)))
4769 goto efault;
53a5960a
PB		 4770 ret = get_errno(utime(p, host_tbuf));
4771 unlock_user(p, arg1, 0);
ebc05488
FB		 4772 }
4773 break;
e5febef5 4774#endif
978a66ff
FB		 4775 case TARGET_NR_utimes:
4776 {
978a66ff 4777 struct timeval *tvp, tv[2];
53a5960a 4778 if (arg2) {
788f5ec4
TS		 4779 if (copy_from_user_timeval(&tv[0], arg2)
4780 || copy_from_user_timeval(&tv[1],
4781 arg2 + sizeof(struct target_timeval)))
4782 goto efault;
978a66ff
FB		 4783 tvp = tv;
4784 } else {
4785 tvp = NULL;
4786 }
579a97f7
FB		 4787 if (!(p = lock_user_string(arg1)))
4788 goto efault;
53a5960a
PB		 4789 ret = get_errno(utimes(p, tvp));
4790 unlock_user(p, arg1, 0);
978a66ff
FB		 4791 }
4792 break;
ac8a6556
AZ		 4793#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4794 case TARGET_NR_futimesat:
4795 {
4796 struct timeval *tvp, tv[2];
4797 if (arg3) {
4798 if (copy_from_user_timeval(&tv[0], arg3)
4799 || copy_from_user_timeval(&tv[1],
4800 arg3 + sizeof(struct target_timeval)))
4801 goto efault;
4802 tvp = tv;
4803 } else {
4804 tvp = NULL;
4805 }
4806 if (!(p = lock_user_string(arg2)))
4807 goto efault;
4808 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4809 unlock_user(p, arg2, 0);
4810 }
4811 break;
4812#endif
ebc05488 4813#ifdef TARGET_NR_stty
31e31b8a
FB		 4814 case TARGET_NR_stty:
4815 goto unimplemented;
ebc05488
FB		 4816#endif
4817#ifdef TARGET_NR_gtty
31e31b8a
FB		 4818 case TARGET_NR_gtty:
4819 goto unimplemented;
ebc05488 4820#endif
31e31b8a 4821 case TARGET_NR_access:
579a97f7
FB		 4822 if (!(p = lock_user_string(arg1)))
4823 goto efault;
719f908e 4824 ret = get_errno(access(path(p), arg2));
53a5960a 4825 unlock_user(p, arg1, 0);
31e31b8a 4826 break;
92a34c10
TS		 4827#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4828 case TARGET_NR_faccessat:
579a97f7
FB		 4829 if (!(p = lock_user_string(arg2)))
4830 goto efault;
465c9f06 4831 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 4832 unlock_user(p, arg2, 0);
92a34c10
TS		 4833 break;
4834#endif
7a3148a9 4835#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 4836 case TARGET_NR_nice:
4837 ret = get_errno(nice(arg1));
4838 break;
7a3148a9 4839#endif
ebc05488 4840#ifdef TARGET_NR_ftime
31e31b8a
FB		 4841 case TARGET_NR_ftime:
4842 goto unimplemented;
ebc05488 4843#endif
31e31b8a 4844 case TARGET_NR_sync:
04369ff2
FB		 4845 sync();
4846 ret = 0;
31e31b8a
FB		 4847 break;
4848 case TARGET_NR_kill:
4cb05961 4849 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 4850 break;
4851 case TARGET_NR_rename:
53a5960a
PB		 4852 {
4853 void *p2;
4854 p = lock_user_string(arg1);
4855 p2 = lock_user_string(arg2);
579a97f7
FB		 4856 if (!p || !p2)
4857 ret = -TARGET_EFAULT;
4858 else
4859 ret = get_errno(rename(p, p2));
53a5960a
PB		 4860 unlock_user(p2, arg2, 0);
4861 unlock_user(p, arg1, 0);
4862 }
31e31b8a 4863 break;
722183f6
TS		 4864#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4865 case TARGET_NR_renameat:
722183f6 4866 {
579a97f7 4867 void *p2;
722183f6
TS		 4868 p = lock_user_string(arg2);
4869 p2 = lock_user_string(arg4);
579a97f7 4870 if (!p || !p2)
0da46a6e 4871 ret = -TARGET_EFAULT;
722183f6
TS		 4872 else
4873 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 4874 unlock_user(p2, arg4, 0);
4875 unlock_user(p, arg2, 0);
722183f6
TS		 4876 }
4877 break;
4878#endif
31e31b8a 4879 case TARGET_NR_mkdir:
579a97f7
FB		 4880 if (!(p = lock_user_string(arg1)))
4881 goto efault;
53a5960a
PB		 4882 ret = get_errno(mkdir(p, arg2));
4883 unlock_user(p, arg1, 0);
31e31b8a 4884 break;
4472ad0d
TS		 4885#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4886 case TARGET_NR_mkdirat:
579a97f7
FB		 4887 if (!(p = lock_user_string(arg2)))
4888 goto efault;
4889 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4890 unlock_user(p, arg2, 0);
4472ad0d
TS		 4891 break;
4892#endif
31e31b8a 4893 case TARGET_NR_rmdir:
579a97f7
FB		 4894 if (!(p = lock_user_string(arg1)))
4895 goto efault;
53a5960a
PB		 4896 ret = get_errno(rmdir(p));
4897 unlock_user(p, arg1, 0);
31e31b8a
FB		 4898 break;
4899 case TARGET_NR_dup:
4900 ret = get_errno(dup(arg1));
4901 break;
4902 case TARGET_NR_pipe:
fb41a66e 4903 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f
RV		 4904 break;
4905#ifdef TARGET_NR_pipe2
4906 case TARGET_NR_pipe2:
fb41a66e 4907 ret = do_pipe(cpu_env, arg1, arg2, 1);
31e31b8a 4908 break;
099d6b0f 4909#endif
31e31b8a 4910 case TARGET_NR_times:
32f36bce 4911 {
53a5960a 4912 struct target_tms *tmsp;
32f36bce
FB		 4913 struct tms tms;
4914 ret = get_errno(times(&tms));
53a5960a 4915 if (arg1) {
579a97f7
FB		 4916 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4917 if (!tmsp)
4918 goto efault;
c596ed17
FB		 4919 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4920 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4921 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4922 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 4923 }
c596ed17
FB		 4924 if (!is_error(ret))
4925 ret = host_to_target_clock_t(ret);
32f36bce
FB		 4926 }
4927 break;
ebc05488 4928#ifdef TARGET_NR_prof
31e31b8a
FB		 4929 case TARGET_NR_prof:
4930 goto unimplemented;
ebc05488 4931#endif
e5febef5 4932#ifdef TARGET_NR_signal
31e31b8a
FB		 4933 case TARGET_NR_signal:
4934 goto unimplemented;
e5febef5 4935#endif
31e31b8a 4936 case TARGET_NR_acct:
38d840e6
AJ		 4937 if (arg1 == 0) {
4938 ret = get_errno(acct(NULL));
4939 } else {
4940 if (!(p = lock_user_string(arg1)))
4941 goto efault;
4942 ret = get_errno(acct(path(p)));
4943 unlock_user(p, arg1, 0);
4944 }
24836689 4945 break;
7a3148a9 4946#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 4947 case TARGET_NR_umount2:
579a97f7
FB		 4948 if (!(p = lock_user_string(arg1)))
4949 goto efault;
53a5960a
PB		 4950 ret = get_errno(umount2(p, arg2));
4951 unlock_user(p, arg1, 0);
31e31b8a 4952 break;
7a3148a9 4953#endif
ebc05488 4954#ifdef TARGET_NR_lock
31e31b8a
FB		 4955 case TARGET_NR_lock:
4956 goto unimplemented;
ebc05488 4957#endif
31e31b8a
FB		 4958 case TARGET_NR_ioctl:
4959 ret = do_ioctl(arg1, arg2, arg3);
4960 break;
4961 case TARGET_NR_fcntl:
9ee1fa2c 4962 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 4963 break;
ebc05488 4964#ifdef TARGET_NR_mpx
31e31b8a
FB		 4965 case TARGET_NR_mpx:
4966 goto unimplemented;
ebc05488 4967#endif
31e31b8a
FB		 4968 case TARGET_NR_setpgid:
4969 ret = get_errno(setpgid(arg1, arg2));
4970 break;
ebc05488 4971#ifdef TARGET_NR_ulimit
31e31b8a
FB		 4972 case TARGET_NR_ulimit:
4973 goto unimplemented;
ebc05488
FB		 4974#endif
4975#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 4976 case TARGET_NR_oldolduname:
4977 goto unimplemented;
ebc05488 4978#endif
31e31b8a
FB		 4979 case TARGET_NR_umask:
4980 ret = get_errno(umask(arg1));
4981 break;
4982 case TARGET_NR_chroot:
579a97f7
FB		 4983 if (!(p = lock_user_string(arg1)))
4984 goto efault;
53a5960a
PB		 4985 ret = get_errno(chroot(p));
4986 unlock_user(p, arg1, 0);
31e31b8a
FB		 4987 break;
4988 case TARGET_NR_ustat:
4989 goto unimplemented;
4990 case TARGET_NR_dup2:
4991 ret = get_errno(dup2(arg1, arg2));
4992 break;
d0927938
UH		 4993#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
4994 case TARGET_NR_dup3:
4995 ret = get_errno(dup3(arg1, arg2, arg3));
4996 break;
4997#endif
7a3148a9 4998#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 4999 case TARGET_NR_getppid:
5000 ret = get_errno(getppid());
5001 break;
7a3148a9 5002#endif
31e31b8a
FB		 5003 case TARGET_NR_getpgrp:
5004 ret = get_errno(getpgrp());
5005 break;
5006 case TARGET_NR_setsid:
5007 ret = get_errno(setsid());
5008 break;
e5febef5 5009#ifdef TARGET_NR_sigaction
31e31b8a 5010 case TARGET_NR_sigaction:
31e31b8a 5011 {
6049f4f8
RH		 5012#if defined(TARGET_ALPHA)
5013 struct target_sigaction act, oact, *pact = 0;
53a5960a 5014 struct target_old_sigaction *old_act;
53a5960a 5015 if (arg2) {
579a97f7
FB		 5016 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5017 goto efault;
66fb9763
FB		 5018 act._sa_handler = old_act->_sa_handler;
5019 target_siginitset(&act.sa_mask, old_act->sa_mask);
5020 act.sa_flags = old_act->sa_flags;
6049f4f8 5021 act.sa_restorer = 0;
53a5960a 5022 unlock_user_struct(old_act, arg2, 0);
66fb9763 5023 pact = &act;
66fb9763
FB		 5024 }
5025 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 5026 if (!is_error(ret) && arg3) {
579a97f7
FB		 5027 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5028 goto efault;
53a5960a
PB		 5029 old_act->_sa_handler = oact._sa_handler;
5030 old_act->sa_mask = oact.sa_mask.sig[0];
5031 old_act->sa_flags = oact.sa_flags;
53a5960a 5032 unlock_user_struct(old_act, arg3, 1);
66fb9763 5033 }
6049f4f8 5034#elif defined(TARGET_MIPS)
106ec879
FB		 5035 struct target_sigaction act, oact, *pact, *old_act;
5036
5037 if (arg2) {
579a97f7
FB		 5038 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5039 goto efault;
106ec879
FB		 5040 act._sa_handler = old_act->_sa_handler;
5041 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
5042 act.sa_flags = old_act->sa_flags;
5043 unlock_user_struct(old_act, arg2, 0);
5044 pact = &act;
5045 } else {
5046 pact = NULL;
5047 }
5048
5049 ret = get_errno(do_sigaction(arg1, pact, &oact));
5050
5051 if (!is_error(ret) && arg3) {
579a97f7
FB		 5052 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5053 goto efault;
106ec879
FB		 5054 old_act->_sa_handler = oact._sa_handler;
5055 old_act->sa_flags = oact.sa_flags;
5056 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
5057 old_act->sa_mask.sig[1] = 0;
5058 old_act->sa_mask.sig[2] = 0;
5059 old_act->sa_mask.sig[3] = 0;
5060 unlock_user_struct(old_act, arg3, 1);
5061 }
6049f4f8
RH		 5062#else
5063 struct target_old_sigaction *old_act;
5064 struct target_sigaction act, oact, *pact;
5065 if (arg2) {
5066 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5067 goto efault;
5068 act._sa_handler = old_act->_sa_handler;
5069 target_siginitset(&act.sa_mask, old_act->sa_mask);
5070 act.sa_flags = old_act->sa_flags;
5071 act.sa_restorer = old_act->sa_restorer;
5072 unlock_user_struct(old_act, arg2, 0);
5073 pact = &act;
5074 } else {
5075 pact = NULL;
5076 }
5077 ret = get_errno(do_sigaction(arg1, pact, &oact));
5078 if (!is_error(ret) && arg3) {
5079 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5080 goto efault;
5081 old_act->_sa_handler = oact._sa_handler;
5082 old_act->sa_mask = oact.sa_mask.sig[0];
5083 old_act->sa_flags = oact.sa_flags;
5084 old_act->sa_restorer = oact.sa_restorer;
5085 unlock_user_struct(old_act, arg3, 1);
5086 }
388bb21a 5087#endif
31e31b8a
FB		 5088 }
5089 break;
e5febef5 5090#endif
66fb9763 5091 case TARGET_NR_rt_sigaction:
53a5960a 5092 {
6049f4f8
RH		 5093#if defined(TARGET_ALPHA)
5094 struct target_sigaction act, oact, *pact = 0;
5095 struct target_rt_sigaction *rt_act;
5096 /* ??? arg4 == sizeof(sigset_t). */
5097 if (arg2) {
5098 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
5099 goto efault;
5100 act._sa_handler = rt_act->_sa_handler;
5101 act.sa_mask = rt_act->sa_mask;
5102 act.sa_flags = rt_act->sa_flags;
5103 act.sa_restorer = arg5;
5104 unlock_user_struct(rt_act, arg2, 0);
5105 pact = &act;
5106 }
5107 ret = get_errno(do_sigaction(arg1, pact, &oact));
5108 if (!is_error(ret) && arg3) {
5109 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
5110 goto efault;
5111 rt_act->_sa_handler = oact._sa_handler;
5112 rt_act->sa_mask = oact.sa_mask;
5113 rt_act->sa_flags = oact.sa_flags;
5114 unlock_user_struct(rt_act, arg3, 1);
5115 }
5116#else
53a5960a
PB		 5117 struct target_sigaction *act;
5118 struct target_sigaction *oact;
5119
579a97f7
FB		 5120 if (arg2) {
5121 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
5122 goto efault;
5123 } else
53a5960a 5124 act = NULL;
579a97f7
FB		 5125 if (arg3) {
5126 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
5127 ret = -TARGET_EFAULT;
5128 goto rt_sigaction_fail;
5129 }
5130 } else
53a5960a
PB		 5131 oact = NULL;
5132 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 5133 rt_sigaction_fail:
5134 if (act)
53a5960a 5135 unlock_user_struct(act, arg2, 0);
579a97f7 5136 if (oact)
53a5960a 5137 unlock_user_struct(oact, arg3, 1);
6049f4f8 5138#endif
53a5960a 5139 }
66fb9763 5140 break;
7a3148a9 5141#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 5142 case TARGET_NR_sgetmask:
66fb9763
FB		 5143 {
5144 sigset_t cur_set;
992f48a0 5145 abi_ulong target_set;
66fb9763
FB		 5146 sigprocmask(0, NULL, &cur_set);
5147 host_to_target_old_sigset(&target_set, &cur_set);
5148 ret = target_set;
5149 }
5150 break;
7a3148a9
JM		 5151#endif
5152#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 5153 case TARGET_NR_ssetmask:
66fb9763
FB		 5154 {
5155 sigset_t set, oset, cur_set;
992f48a0 5156 abi_ulong target_set = arg1;
66fb9763
FB		 5157 sigprocmask(0, NULL, &cur_set);
5158 target_to_host_old_sigset(&set, &target_set);
5159 sigorset(&set, &set, &cur_set);
5160 sigprocmask(SIG_SETMASK, &set, &oset);
5161 host_to_target_old_sigset(&target_set, &oset);
5162 ret = target_set;
5163 }
5164 break;
7a3148a9 5165#endif
e5febef5 5166#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 5167 case TARGET_NR_sigprocmask:
5168 {
a5b3b13b
RH		 5169#if defined(TARGET_ALPHA)
5170 sigset_t set, oldset;
5171 abi_ulong mask;
5172 int how;
5173
5174 switch (arg1) {
5175 case TARGET_SIG_BLOCK:
5176 how = SIG_BLOCK;
5177 break;
5178 case TARGET_SIG_UNBLOCK:
5179 how = SIG_UNBLOCK;
5180 break;
5181 case TARGET_SIG_SETMASK:
5182 how = SIG_SETMASK;
5183 break;
5184 default:
5185 ret = -TARGET_EINVAL;
5186 goto fail;
5187 }
5188 mask = arg2;
5189 target_to_host_old_sigset(&set, &mask);
5190
5191 ret = get_errno(sigprocmask(how, &set, &oldset));
5192
5193 if (!is_error(ret)) {
5194 host_to_target_old_sigset(&mask, &oldset);
5195 ret = mask;
5196 ((CPUAlphaState *)cpu_env)->[IR_V0] = 0; /* force no error */
5197 }
5198#else
66fb9763 5199 sigset_t set, oldset, *set_ptr;
a5b3b13b 5200 int how;
3b46e624 5201
53a5960a 5202 if (arg2) {
a5b3b13b 5203 switch (arg1) {
66fb9763
FB		 5204 case TARGET_SIG_BLOCK:
5205 how = SIG_BLOCK;
5206 break;
5207 case TARGET_SIG_UNBLOCK:
5208 how = SIG_UNBLOCK;
5209 break;
5210 case TARGET_SIG_SETMASK:
5211 how = SIG_SETMASK;
5212 break;
5213 default:
0da46a6e 5214 ret = -TARGET_EINVAL;
66fb9763
FB		 5215 goto fail;
5216 }
c227f099 5217 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5218 goto efault;
53a5960a
PB		 5219 target_to_host_old_sigset(&set, p);
5220 unlock_user(p, arg2, 0);
66fb9763
FB		 5221 set_ptr = &set;
5222 } else {
5223 how = 0;
5224 set_ptr = NULL;
5225 }
a5b3b13b 5226 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5227 if (!is_error(ret) && arg3) {
c227f099 5228 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5229 goto efault;
53a5960a 5230 host_to_target_old_sigset(p, &oldset);
c227f099 5231 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 5232 }
a5b3b13b 5233#endif
66fb9763
FB		 5234 }
5235 break;
e5febef5 5236#endif
66fb9763
FB		 5237 case TARGET_NR_rt_sigprocmask:
5238 {
5239 int how = arg1;
5240 sigset_t set, oldset, *set_ptr;
3b46e624 5241
53a5960a 5242 if (arg2) {
66fb9763
FB		 5243 switch(how) {
5244 case TARGET_SIG_BLOCK:
5245 how = SIG_BLOCK;
5246 break;
5247 case TARGET_SIG_UNBLOCK:
5248 how = SIG_UNBLOCK;
5249 break;
5250 case TARGET_SIG_SETMASK:
5251 how = SIG_SETMASK;
5252 break;
5253 default:
0da46a6e 5254 ret = -TARGET_EINVAL;
66fb9763
FB		 5255 goto fail;
5256 }
c227f099 5257 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5258 goto efault;
53a5960a
PB		 5259 target_to_host_sigset(&set, p);
5260 unlock_user(p, arg2, 0);
66fb9763
FB		 5261 set_ptr = &set;
5262 } else {
5263 how = 0;
5264 set_ptr = NULL;
5265 }
5266 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5267 if (!is_error(ret) && arg3) {
c227f099 5268 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5269 goto efault;
53a5960a 5270 host_to_target_sigset(p, &oldset);
c227f099 5271 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 5272 }
5273 }
5274 break;
e5febef5 5275#ifdef TARGET_NR_sigpending
66fb9763
FB		 5276 case TARGET_NR_sigpending:
5277 {
5278 sigset_t set;
5279 ret = get_errno(sigpending(&set));
5280 if (!is_error(ret)) {
c227f099 5281 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5282 goto efault;
53a5960a 5283 host_to_target_old_sigset(p, &set);
c227f099 5284 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5285 }
5286 }
5287 break;
e5febef5 5288#endif
66fb9763
FB		 5289 case TARGET_NR_rt_sigpending:
5290 {
5291 sigset_t set;
5292 ret = get_errno(sigpending(&set));
5293 if (!is_error(ret)) {
c227f099 5294 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5295 goto efault;
53a5960a 5296 host_to_target_sigset(p, &set);
c227f099 5297 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5298 }
5299 }
5300 break;
e5febef5 5301#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 5302 case TARGET_NR_sigsuspend:
5303 {
5304 sigset_t set;
f43ce12b
RH		 5305#if defined(TARGET_ALPHA)
5306 abi_ulong mask = arg1;
5307 target_to_host_old_sigset(&set, &mask);
5308#else
c227f099 5309 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5310 goto efault;
53a5960a
PB		 5311 target_to_host_old_sigset(&set, p);
5312 unlock_user(p, arg1, 0);
f43ce12b 5313#endif
66fb9763
FB		 5314 ret = get_errno(sigsuspend(&set));
5315 }
5316 break;
e5febef5 5317#endif
66fb9763
FB		 5318 case TARGET_NR_rt_sigsuspend:
5319 {
5320 sigset_t set;
c227f099 5321 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5322 goto efault;
53a5960a
PB		 5323 target_to_host_sigset(&set, p);
5324 unlock_user(p, arg1, 0);
66fb9763
FB		 5325 ret = get_errno(sigsuspend(&set));
5326 }
5327 break;
5328 case TARGET_NR_rt_sigtimedwait:
5329 {
66fb9763
FB		 5330 sigset_t set;
5331 struct timespec uts, *puts;
5332 siginfo_t uinfo;
3b46e624 5333
c227f099 5334 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5335 goto efault;
53a5960a
PB		 5336 target_to_host_sigset(&set, p);
5337 unlock_user(p, arg1, 0);
5338 if (arg3) {
66fb9763 5339 puts = &uts;
53a5960a 5340 target_to_host_timespec(puts, arg3);
66fb9763
FB		 5341 } else {
5342 puts = NULL;
5343 }
5344 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 5345 if (!is_error(ret) && arg2) {
c227f099 5346 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 5347 goto efault;
53a5960a 5348 host_to_target_siginfo(p, &uinfo);
c227f099 5349 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 5350 }
5351 }
5352 break;
5353 case TARGET_NR_rt_sigqueueinfo:
5354 {
5355 siginfo_t uinfo;
c227f099 5356 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 5357 goto efault;
53a5960a
PB		 5358 target_to_host_siginfo(&uinfo, p);
5359 unlock_user(p, arg1, 0);
66fb9763
FB		 5360 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5361 }
5362 break;
e5febef5 5363#ifdef TARGET_NR_sigreturn
66fb9763
FB		 5364 case TARGET_NR_sigreturn:
5365 /* NOTE: ret is eax, so not transcoding must be done */
5366 ret = do_sigreturn(cpu_env);
5367 break;
e5febef5 5368#endif
66fb9763
FB		 5369 case TARGET_NR_rt_sigreturn:
5370 /* NOTE: ret is eax, so not transcoding must be done */
5371 ret = do_rt_sigreturn(cpu_env);
5372 break;
31e31b8a 5373 case TARGET_NR_sethostname:
579a97f7
FB		 5374 if (!(p = lock_user_string(arg1)))
5375 goto efault;
53a5960a
PB		 5376 ret = get_errno(sethostname(p, arg2));
5377 unlock_user(p, arg1, 0);
31e31b8a
FB		 5378 break;
5379 case TARGET_NR_setrlimit:
9de5e440 5380 {
9de5e440 5381 int resource = arg1;
53a5960a 5382 struct target_rlimit *target_rlim;
9de5e440 5383 struct rlimit rlim;
579a97f7
FB		 5384 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5385 goto efault;
81bbe906
TY		 5386 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
5387 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 5388 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 5389 ret = get_errno(setrlimit(resource, &rlim));
5390 }
5391 break;
31e31b8a 5392 case TARGET_NR_getrlimit:
9de5e440 5393 {
9de5e440 5394 int resource = arg1;
53a5960a 5395 struct target_rlimit *target_rlim;
9de5e440 5396 struct rlimit rlim;
3b46e624 5397
9de5e440
FB		 5398 ret = get_errno(getrlimit(resource, &rlim));
5399 if (!is_error(ret)) {
579a97f7
FB		 5400 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5401 goto efault;
81bbe906
TY		 5402 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
5403 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 5404 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 5405 }
5406 }
5407 break;
31e31b8a 5408 case TARGET_NR_getrusage:
b409186b
FB		 5409 {
5410 struct rusage rusage;
b409186b
FB		 5411 ret = get_errno(getrusage(arg1, &rusage));
5412 if (!is_error(ret)) {
53a5960a 5413 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 5414 }
5415 }
5416 break;
31e31b8a
FB		 5417 case TARGET_NR_gettimeofday:
5418 {
31e31b8a
FB		 5419 struct timeval tv;
5420 ret = get_errno(gettimeofday(&tv, NULL));
5421 if (!is_error(ret)) {
788f5ec4
TS		 5422 if (copy_to_user_timeval(arg1, &tv))
5423 goto efault;
31e31b8a
FB		 5424 }
5425 }
5426 break;
5427 case TARGET_NR_settimeofday:
5428 {
31e31b8a 5429 struct timeval tv;
788f5ec4
TS		 5430 if (copy_from_user_timeval(&tv, arg1))
5431 goto efault;
31e31b8a
FB		 5432 ret = get_errno(settimeofday(&tv, NULL));
5433 }
5434 break;
048f6b4d 5435#ifdef TARGET_NR_select
31e31b8a 5436 case TARGET_NR_select:
f2674e31 5437 {
53a5960a 5438 struct target_sel_arg_struct *sel;
992f48a0 5439 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 5440 long nsel;
5441
579a97f7
FB		 5442 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5443 goto efault;
53a5960a
PB		 5444 nsel = tswapl(sel->n);
5445 inp = tswapl(sel->inp);
5446 outp = tswapl(sel->outp);
5447 exp = tswapl(sel->exp);
5448 tvp = tswapl(sel->tvp);
5449 unlock_user_struct(sel, arg1, 0);
5450 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 5451 }
5452 break;
9e42382f
RV		 5453#endif
5454#ifdef TARGET_NR_pselect6
5455 case TARGET_NR_pselect6:
5456 goto unimplemented_nowarn;
048f6b4d 5457#endif
31e31b8a 5458 case TARGET_NR_symlink:
53a5960a
PB		 5459 {
5460 void *p2;
5461 p = lock_user_string(arg1);
5462 p2 = lock_user_string(arg2);
579a97f7
FB		 5463 if (!p || !p2)
5464 ret = -TARGET_EFAULT;
5465 else
5466 ret = get_errno(symlink(p, p2));
53a5960a
PB		 5467 unlock_user(p2, arg2, 0);
5468 unlock_user(p, arg1, 0);
5469 }
31e31b8a 5470 break;
f0b6243d
TS		 5471#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5472 case TARGET_NR_symlinkat:
f0b6243d 5473 {
579a97f7 5474 void *p2;
f0b6243d
TS		 5475 p = lock_user_string(arg1);
5476 p2 = lock_user_string(arg3);
579a97f7 5477 if (!p || !p2)
0da46a6e 5478 ret = -TARGET_EFAULT;
f0b6243d
TS		 5479 else
5480 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 5481 unlock_user(p2, arg3, 0);
5482 unlock_user(p, arg1, 0);
f0b6243d
TS		 5483 }
5484 break;
5485#endif
ebc05488 5486#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 5487 case TARGET_NR_oldlstat:
5488 goto unimplemented;
ebc05488 5489#endif
31e31b8a 5490 case TARGET_NR_readlink:
53a5960a 5491 {
d088d664 5492 void *p2, *temp;
53a5960a 5493 p = lock_user_string(arg1);
579a97f7
FB		 5494 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5495 if (!p || !p2)
5496 ret = -TARGET_EFAULT;
d088d664
AJ		 5497 else {
5498 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5499 char real[PATH_MAX];
5500 temp = realpath(exec_path,real);
5501 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5502 snprintf((char *)p2, arg3, "%s", real);
5503 }
5504 else
5505 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 5506 }
53a5960a
PB		 5507 unlock_user(p2, arg2, ret);
5508 unlock_user(p, arg1, 0);
5509 }
31e31b8a 5510 break;
5e0ccb18
TS		 5511#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5512 case TARGET_NR_readlinkat:
5e0ccb18 5513 {
579a97f7 5514 void *p2;
5e0ccb18 5515 p = lock_user_string(arg2);
579a97f7
FB		 5516 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5517 if (!p || !p2)
0da46a6e 5518 ret = -TARGET_EFAULT;
5e0ccb18
TS		 5519 else
5520 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 5521 unlock_user(p2, arg3, ret);
5522 unlock_user(p, arg2, 0);
5e0ccb18
TS		 5523 }
5524 break;
5525#endif
e5febef5 5526#ifdef TARGET_NR_uselib
31e31b8a
FB		 5527 case TARGET_NR_uselib:
5528 goto unimplemented;
e5febef5
TS		 5529#endif
5530#ifdef TARGET_NR_swapon
31e31b8a 5531 case TARGET_NR_swapon:
579a97f7
FB		 5532 if (!(p = lock_user_string(arg1)))
5533 goto efault;
53a5960a
PB		 5534 ret = get_errno(swapon(p, arg2));
5535 unlock_user(p, arg1, 0);
31e31b8a 5536 break;
e5febef5 5537#endif
31e31b8a
FB		 5538 case TARGET_NR_reboot:
5539 goto unimplemented;
e5febef5 5540#ifdef TARGET_NR_readdir
31e31b8a
FB		 5541 case TARGET_NR_readdir:
5542 goto unimplemented;
e5febef5
TS		 5543#endif
5544#ifdef TARGET_NR_mmap
31e31b8a 5545 case TARGET_NR_mmap:
b779e29e 5546#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
31e31b8a 5547 {
992f48a0
BS		 5548 abi_ulong *v;
5549 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 5550 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5551 goto efault;
53a5960a
PB		 5552 v1 = tswapl(v[0]);
5553 v2 = tswapl(v[1]);
5554 v3 = tswapl(v[2]);
5555 v4 = tswapl(v[3]);
5556 v5 = tswapl(v[4]);
5557 v6 = tswapl(v[5]);
5558 unlock_user(v, arg1, 0);
5fafdf24 5559 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 5560 target_to_host_bitmask(v4, mmap_flags_tbl),
5561 v5, v6));
31e31b8a 5562 }
31e31b8a 5563#else
5fafdf24
TS		 5564 ret = get_errno(target_mmap(arg1, arg2, arg3,
5565 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 5566 arg5,
5567 arg6));
31e31b8a 5568#endif
6fb883e8 5569 break;
e5febef5 5570#endif
a315a145 5571#ifdef TARGET_NR_mmap2
6fb883e8 5572 case TARGET_NR_mmap2:
bb7ec043 5573#ifndef MMAP_SHIFT
c573ff67 5574#define MMAP_SHIFT 12
c573ff67 5575#endif
5fafdf24
TS		 5576 ret = get_errno(target_mmap(arg1, arg2, arg3,
5577 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 5578 arg5,
c573ff67 5579 arg6 << MMAP_SHIFT));
31e31b8a 5580 break;
a315a145 5581#endif
31e31b8a 5582 case TARGET_NR_munmap:
54936004 5583 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 5584 break;
9de5e440 5585 case TARGET_NR_mprotect:
97374d38
PB		 5586 {
5587 TaskState *ts = ((CPUState *)cpu_env)->opaque;
5588 /* Special hack to detect libc making the stack executable. */
5589 if ((arg3 & PROT_GROWSDOWN)
5590 && arg1 >= ts->info->stack_limit
5591 && arg1 <= ts->info->start_stack) {
5592 arg3 &= ~PROT_GROWSDOWN;
5593 arg2 = arg2 + arg1 - ts->info->stack_limit;
5594 arg1 = ts->info->stack_limit;
5595 }
5596 }
54936004 5597 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 5598 break;
e5febef5 5599#ifdef TARGET_NR_mremap
9de5e440 5600 case TARGET_NR_mremap:
54936004 5601 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 5602 break;
e5febef5 5603#endif
53a5960a 5604 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 5605#ifdef TARGET_NR_msync
9de5e440 5606 case TARGET_NR_msync:
53a5960a 5607 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 5608 break;
e5febef5
TS		 5609#endif
5610#ifdef TARGET_NR_mlock
9de5e440 5611 case TARGET_NR_mlock:
53a5960a 5612 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 5613 break;
e5febef5
TS		 5614#endif
5615#ifdef TARGET_NR_munlock
9de5e440 5616 case TARGET_NR_munlock:
53a5960a 5617 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 5618 break;
e5febef5
TS		 5619#endif
5620#ifdef TARGET_NR_mlockall
9de5e440
FB		 5621 case TARGET_NR_mlockall:
5622 ret = get_errno(mlockall(arg1));
5623 break;
e5febef5
TS		 5624#endif
5625#ifdef TARGET_NR_munlockall
9de5e440
FB		 5626 case TARGET_NR_munlockall:
5627 ret = get_errno(munlockall());
5628 break;
e5febef5 5629#endif
31e31b8a 5630 case TARGET_NR_truncate:
579a97f7
FB		 5631 if (!(p = lock_user_string(arg1)))
5632 goto efault;
53a5960a
PB		 5633 ret = get_errno(truncate(p, arg2));
5634 unlock_user(p, arg1, 0);
31e31b8a
FB		 5635 break;
5636 case TARGET_NR_ftruncate:
5637 ret = get_errno(ftruncate(arg1, arg2));
5638 break;
5639 case TARGET_NR_fchmod:
5640 ret = get_errno(fchmod(arg1, arg2));
5641 break;
814d7977
TS		 5642#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5643 case TARGET_NR_fchmodat:
579a97f7
FB		 5644 if (!(p = lock_user_string(arg2)))
5645 goto efault;
465c9f06 5646 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 5647 unlock_user(p, arg2, 0);
814d7977
TS		 5648 break;
5649#endif
31e31b8a 5650 case TARGET_NR_getpriority:
c6cda17a
TS		 5651 /* libc does special remapping of the return value of
5652 * sys_getpriority() so it's just easiest to call
5653 * sys_getpriority() directly rather than through libc. */
69137206 5654 ret = get_errno(sys_getpriority(arg1, arg2));
31e31b8a
FB		 5655 break;
5656 case TARGET_NR_setpriority:
5657 ret = get_errno(setpriority(arg1, arg2, arg3));
5658 break;
ebc05488 5659#ifdef TARGET_NR_profil
31e31b8a
FB		 5660 case TARGET_NR_profil:
5661 goto unimplemented;
ebc05488 5662#endif
31e31b8a 5663 case TARGET_NR_statfs:
579a97f7
FB		 5664 if (!(p = lock_user_string(arg1)))
5665 goto efault;
53a5960a
PB		 5666 ret = get_errno(statfs(path(p), &stfs));
5667 unlock_user(p, arg1, 0);
31e31b8a
FB		 5668 convert_statfs:
5669 if (!is_error(ret)) {
53a5960a 5670 struct target_statfs *target_stfs;
3b46e624 5671
579a97f7
FB		 5672 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5673 goto efault;
5674 __put_user(stfs.f_type, &target_stfs->f_type);
5675 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5676 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5677 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5678 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5679 __put_user(stfs.f_files, &target_stfs->f_files);
5680 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5681 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5682 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5683 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 5684 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 5685 }
5686 break;
5687 case TARGET_NR_fstatfs:
56c8f68f 5688 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 5689 goto convert_statfs;
56c8f68f
FB		 5690#ifdef TARGET_NR_statfs64
5691 case TARGET_NR_statfs64:
579a97f7
FB		 5692 if (!(p = lock_user_string(arg1)))
5693 goto efault;
53a5960a
PB		 5694 ret = get_errno(statfs(path(p), &stfs));
5695 unlock_user(p, arg1, 0);
56c8f68f
FB		 5696 convert_statfs64:
5697 if (!is_error(ret)) {
53a5960a 5698 struct target_statfs64 *target_stfs;
3b46e624 5699
579a97f7
FB		 5700 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5701 goto efault;
5702 __put_user(stfs.f_type, &target_stfs->f_type);
5703 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5704 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5705 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5706 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5707 __put_user(stfs.f_files, &target_stfs->f_files);
5708 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5709 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5710 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5711 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5712 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 5713 }
5714 break;
5715 case TARGET_NR_fstatfs64:
5716 ret = get_errno(fstatfs(arg1, &stfs));
5717 goto convert_statfs64;
5718#endif
ebc05488 5719#ifdef TARGET_NR_ioperm
31e31b8a
FB		 5720 case TARGET_NR_ioperm:
5721 goto unimplemented;
ebc05488 5722#endif
e5febef5 5723#ifdef TARGET_NR_socketcall
31e31b8a 5724 case TARGET_NR_socketcall:
53a5960a 5725 ret = do_socketcall(arg1, arg2);
31e31b8a 5726 break;
e5febef5 5727#endif
3532fa74
FB		 5728#ifdef TARGET_NR_accept
5729 case TARGET_NR_accept:
1be9e1dc 5730 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 5731 break;
5732#endif
5733#ifdef TARGET_NR_bind
5734 case TARGET_NR_bind:
5735 ret = do_bind(arg1, arg2, arg3);
5736 break;
5737#endif
5738#ifdef TARGET_NR_connect
5739 case TARGET_NR_connect:
5740 ret = do_connect(arg1, arg2, arg3);
5741 break;
5742#endif
5743#ifdef TARGET_NR_getpeername
5744 case TARGET_NR_getpeername:
1be9e1dc 5745 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 5746 break;
5747#endif
5748#ifdef TARGET_NR_getsockname
5749 case TARGET_NR_getsockname:
1be9e1dc 5750 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 5751 break;
5752#endif
5753#ifdef TARGET_NR_getsockopt
5754 case TARGET_NR_getsockopt:
5755 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5756 break;
5757#endif
5758#ifdef TARGET_NR_listen
5759 case TARGET_NR_listen:
1be9e1dc 5760 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 5761 break;
5762#endif
5763#ifdef TARGET_NR_recv
5764 case TARGET_NR_recv:
214201bd 5765 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5766 break;
5767#endif
5768#ifdef TARGET_NR_recvfrom
5769 case TARGET_NR_recvfrom:
214201bd 5770 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5771 break;
5772#endif
5773#ifdef TARGET_NR_recvmsg
5774 case TARGET_NR_recvmsg:
5775 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5776 break;
5777#endif
5778#ifdef TARGET_NR_send
5779 case TARGET_NR_send:
1be9e1dc 5780 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5781 break;
5782#endif
5783#ifdef TARGET_NR_sendmsg
5784 case TARGET_NR_sendmsg:
5785 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5786 break;
5787#endif
5788#ifdef TARGET_NR_sendto
5789 case TARGET_NR_sendto:
1be9e1dc 5790 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5791 break;
5792#endif
5793#ifdef TARGET_NR_shutdown
5794 case TARGET_NR_shutdown:
1be9e1dc 5795 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 5796 break;
5797#endif
5798#ifdef TARGET_NR_socket
5799 case TARGET_NR_socket:
5800 ret = do_socket(arg1, arg2, arg3);
5801 break;
5802#endif
5803#ifdef TARGET_NR_socketpair
5804 case TARGET_NR_socketpair:
1be9e1dc 5805 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 5806 break;
5807#endif
5808#ifdef TARGET_NR_setsockopt
5809 case TARGET_NR_setsockopt:
5810 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5811 break;
5812#endif
7494b0f9 5813
31e31b8a 5814 case TARGET_NR_syslog:
579a97f7
FB		 5815 if (!(p = lock_user_string(arg2)))
5816 goto efault;
e5574487
TS		 5817 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5818 unlock_user(p, arg2, 0);
7494b0f9
TS		 5819 break;
5820
31e31b8a 5821 case TARGET_NR_setitimer:
66fb9763 5822 {
66fb9763
FB		 5823 struct itimerval value, ovalue, *pvalue;
5824
53a5960a 5825 if (arg2) {
66fb9763 5826 pvalue = &value;
788f5ec4
TS		 5827 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5828 || copy_from_user_timeval(&pvalue->it_value,
5829 arg2 + sizeof(struct target_timeval)))
5830 goto efault;
66fb9763
FB		 5831 } else {
5832 pvalue = NULL;
5833 }
5834 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 5835 if (!is_error(ret) && arg3) {
788f5ec4
TS		 5836 if (copy_to_user_timeval(arg3,
5837 &ovalue.it_interval)
5838 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5839 &ovalue.it_value))
5840 goto efault;
66fb9763
FB		 5841 }
5842 }
5843 break;
31e31b8a 5844 case TARGET_NR_getitimer:
66fb9763 5845 {
66fb9763 5846 struct itimerval value;
3b46e624 5847
66fb9763 5848 ret = get_errno(getitimer(arg1, &value));
53a5960a 5849 if (!is_error(ret) && arg2) {
788f5ec4
TS		 5850 if (copy_to_user_timeval(arg2,
5851 &value.it_interval)
5852 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5853 &value.it_value))
5854 goto efault;
66fb9763
FB		 5855 }
5856 }
5857 break;
31e31b8a 5858 case TARGET_NR_stat:
579a97f7
FB		 5859 if (!(p = lock_user_string(arg1)))
5860 goto efault;
53a5960a
PB		 5861 ret = get_errno(stat(path(p), &st));
5862 unlock_user(p, arg1, 0);
31e31b8a
FB		 5863 goto do_stat;
5864 case TARGET_NR_lstat:
579a97f7
FB		 5865 if (!(p = lock_user_string(arg1)))
5866 goto efault;
53a5960a
PB		 5867 ret = get_errno(lstat(path(p), &st));
5868 unlock_user(p, arg1, 0);
31e31b8a
FB		 5869 goto do_stat;
5870 case TARGET_NR_fstat:
5871 {
5872 ret = get_errno(fstat(arg1, &st));
5873 do_stat:
5874 if (!is_error(ret)) {
53a5960a 5875 struct target_stat *target_st;
e3584658 5876
579a97f7
FB		 5877 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5878 goto efault;
12727917 5879 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 5880 __put_user(st.st_dev, &target_st->st_dev);
5881 __put_user(st.st_ino, &target_st->st_ino);
5882 __put_user(st.st_mode, &target_st->st_mode);
5883 __put_user(st.st_uid, &target_st->st_uid);
5884 __put_user(st.st_gid, &target_st->st_gid);
5885 __put_user(st.st_nlink, &target_st->st_nlink);
5886 __put_user(st.st_rdev, &target_st->st_rdev);
5887 __put_user(st.st_size, &target_st->st_size);
5888 __put_user(st.st_blksize, &target_st->st_blksize);
5889 __put_user(st.st_blocks, &target_st->st_blocks);
5890 __put_user(st.st_atime, &target_st->target_st_atime);
5891 __put_user(st.st_mtime, &target_st->target_st_mtime);
5892 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 5893 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 5894 }
5895 }
5896 break;
ebc05488 5897#ifdef TARGET_NR_olduname
31e31b8a
FB		 5898 case TARGET_NR_olduname:
5899 goto unimplemented;
ebc05488
FB		 5900#endif
5901#ifdef TARGET_NR_iopl
31e31b8a
FB		 5902 case TARGET_NR_iopl:
5903 goto unimplemented;
ebc05488 5904#endif
31e31b8a
FB		 5905 case TARGET_NR_vhangup:
5906 ret = get_errno(vhangup());
5907 break;
ebc05488 5908#ifdef TARGET_NR_idle
31e31b8a
FB		 5909 case TARGET_NR_idle:
5910 goto unimplemented;
42ad6ae9
FB		 5911#endif
5912#ifdef TARGET_NR_syscall
5913 case TARGET_NR_syscall:
5914 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5915 break;
ebc05488 5916#endif
31e31b8a
FB		 5917 case TARGET_NR_wait4:
5918 {
5919 int status;
992f48a0 5920 abi_long status_ptr = arg2;
31e31b8a 5921 struct rusage rusage, *rusage_ptr;
992f48a0 5922 abi_ulong target_rusage = arg4;
31e31b8a
FB		 5923 if (target_rusage)
5924 rusage_ptr = &rusage;
5925 else
5926 rusage_ptr = NULL;
5927 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5928 if (!is_error(ret)) {
2f619698 5929 if (status_ptr) {
1d9d8b55 5930 status = host_to_target_waitstatus(status);
2f619698
FB		 5931 if (put_user_s32(status, status_ptr))
5932 goto efault;
31e31b8a 5933 }
2f619698
FB		 5934 if (target_rusage)
5935 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 5936 }
5937 }
5938 break;
e5febef5 5939#ifdef TARGET_NR_swapoff
31e31b8a 5940 case TARGET_NR_swapoff:
579a97f7
FB		 5941 if (!(p = lock_user_string(arg1)))
5942 goto efault;
53a5960a
PB		 5943 ret = get_errno(swapoff(p));
5944 unlock_user(p, arg1, 0);
31e31b8a 5945 break;
e5febef5 5946#endif
31e31b8a 5947 case TARGET_NR_sysinfo:
a5448a7d 5948 {
53a5960a 5949 struct target_sysinfo *target_value;
a5448a7d
FB		 5950 struct sysinfo value;
5951 ret = get_errno(sysinfo(&value));
53a5960a 5952 if (!is_error(ret) && arg1)
a5448a7d 5953 {
579a97f7
FB		 5954 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5955 goto efault;
a5448a7d
FB		 5956 __put_user(value.uptime, &target_value->uptime);
5957 __put_user(value.loads[0], &target_value->loads[0]);
5958 __put_user(value.loads[1], &target_value->loads[1]);
5959 __put_user(value.loads[2], &target_value->loads[2]);
5960 __put_user(value.totalram, &target_value->totalram);
5961 __put_user(value.freeram, &target_value->freeram);
5962 __put_user(value.sharedram, &target_value->sharedram);
5963 __put_user(value.bufferram, &target_value->bufferram);
5964 __put_user(value.totalswap, &target_value->totalswap);
5965 __put_user(value.freeswap, &target_value->freeswap);
5966 __put_user(value.procs, &target_value->procs);
5967 __put_user(value.totalhigh, &target_value->totalhigh);
5968 __put_user(value.freehigh, &target_value->freehigh);
5969 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 5970 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 5971 }
5972 }
5973 break;
e5febef5 5974#ifdef TARGET_NR_ipc
31e31b8a 5975 case TARGET_NR_ipc:
8853f86e
FB		 5976 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5977 break;
e5febef5 5978#endif
e5289087
AJ		 5979#ifdef TARGET_NR_semget
5980 case TARGET_NR_semget:
5981 ret = get_errno(semget(arg1, arg2, arg3));
5982 break;
5983#endif
5984#ifdef TARGET_NR_semop
5985 case TARGET_NR_semop:
5986 ret = get_errno(do_semop(arg1, arg2, arg3));
5987 break;
5988#endif
5989#ifdef TARGET_NR_semctl
5990 case TARGET_NR_semctl:
5991 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5992 break;
5993#endif
eeb438c1
AJ		 5994#ifdef TARGET_NR_msgctl
5995 case TARGET_NR_msgctl:
5996 ret = do_msgctl(arg1, arg2, arg3);
5997 break;
5998#endif
5999#ifdef TARGET_NR_msgget
6000 case TARGET_NR_msgget:
6001 ret = get_errno(msgget(arg1, arg2));
6002 break;
6003#endif
6004#ifdef TARGET_NR_msgrcv
6005 case TARGET_NR_msgrcv:
6006 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
6007 break;
6008#endif
6009#ifdef TARGET_NR_msgsnd
6010 case TARGET_NR_msgsnd:
6011 ret = do_msgsnd(arg1, arg2, arg3, arg4);
6012 break;
88a8c984
RV		 6013#endif
6014#ifdef TARGET_NR_shmget
6015 case TARGET_NR_shmget:
6016 ret = get_errno(shmget(arg1, arg2, arg3));
6017 break;
6018#endif
6019#ifdef TARGET_NR_shmctl
6020 case TARGET_NR_shmctl:
6021 ret = do_shmctl(arg1, arg2, arg3);
6022 break;
6023#endif
6024#ifdef TARGET_NR_shmat
6025 case TARGET_NR_shmat:
6026 ret = do_shmat(arg1, arg2, arg3);
6027 break;
6028#endif
6029#ifdef TARGET_NR_shmdt
6030 case TARGET_NR_shmdt:
6031 ret = do_shmdt(arg1);
6032 break;
eeb438c1 6033#endif
31e31b8a
FB		 6034 case TARGET_NR_fsync:
6035 ret = get_errno(fsync(arg1));
6036 break;
31e31b8a 6037 case TARGET_NR_clone:
a4b388ff 6038#if defined(TARGET_SH4) || defined(TARGET_ALPHA)
0b6d3ae0 6039 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 6040#elif defined(TARGET_CRIS)
6041 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
0b6d3ae0 6042#else
d865bab5 6043 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 6044#endif
1b6b029e 6045 break;
ec86b0fb
FB		 6046#ifdef __NR_exit_group
6047 /* new thread calls */
6048 case TARGET_NR_exit_group:
9788c9ca 6049#ifdef TARGET_GPROF
6d946cda
AJ		 6050 _mcleanup();
6051#endif
e9009676 6052 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 6053 ret = get_errno(exit_group(arg1));
6054 break;
6055#endif
31e31b8a 6056 case TARGET_NR_setdomainname:
579a97f7
FB		 6057 if (!(p = lock_user_string(arg1)))
6058 goto efault;
53a5960a
PB		 6059 ret = get_errno(setdomainname(p, arg2));
6060 unlock_user(p, arg1, 0);
31e31b8a
FB		 6061 break;
6062 case TARGET_NR_uname:
6063 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 6064 {
6065 struct new_utsname * buf;
3b46e624 6066
579a97f7
FB		 6067 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
6068 goto efault;
29e619b1
FB		 6069 ret = get_errno(sys_uname(buf));
6070 if (!is_error(ret)) {
6071 /* Overrite the native machine name with whatever is being
6072 emulated. */
da79030f 6073 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 6074 /* Allow the user to override the reported release. */
6075 if (qemu_uname_release && *qemu_uname_release)
6076 strcpy (buf->release, qemu_uname_release);
29e619b1 6077 }
53a5960a 6078 unlock_user_struct(buf, arg1, 1);
29e619b1 6079 }
31e31b8a 6080 break;
6dbad63e 6081#ifdef TARGET_I386
31e31b8a 6082 case TARGET_NR_modify_ldt:
03acab66 6083 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 6084 break;
84409ddb 6085#if !defined(TARGET_X86_64)
5cd4393b
FB		 6086 case TARGET_NR_vm86old:
6087 goto unimplemented;
6088 case TARGET_NR_vm86:
53a5960a 6089 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 6090 break;
84409ddb 6091#endif
6dbad63e 6092#endif
31e31b8a
FB		 6093 case TARGET_NR_adjtimex:
6094 goto unimplemented;
e5febef5 6095#ifdef TARGET_NR_create_module
31e31b8a 6096 case TARGET_NR_create_module:
e5febef5 6097#endif
31e31b8a
FB		 6098 case TARGET_NR_init_module:
6099 case TARGET_NR_delete_module:
e5febef5 6100#ifdef TARGET_NR_get_kernel_syms
31e31b8a 6101 case TARGET_NR_get_kernel_syms:
e5febef5 6102#endif
31e31b8a
FB		 6103 goto unimplemented;
6104 case TARGET_NR_quotactl:
6105 goto unimplemented;
6106 case TARGET_NR_getpgid:
6107 ret = get_errno(getpgid(arg1));
6108 break;
6109 case TARGET_NR_fchdir:
6110 ret = get_errno(fchdir(arg1));
6111 break;
84409ddb 6112#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 6113 case TARGET_NR_bdflush:
6114 goto unimplemented;
84409ddb 6115#endif
e5febef5 6116#ifdef TARGET_NR_sysfs
31e31b8a
FB		 6117 case TARGET_NR_sysfs:
6118 goto unimplemented;
e5febef5 6119#endif
31e31b8a 6120 case TARGET_NR_personality:
1b6b029e 6121 ret = get_errno(personality(arg1));
31e31b8a 6122 break;
e5febef5 6123#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 6124 case TARGET_NR_afs_syscall:
6125 goto unimplemented;
e5febef5 6126#endif
7a3148a9 6127#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 6128 case TARGET_NR__llseek:
6129 {
0c1592d9 6130 int64_t res;
d35b261c 6131#if !defined(__NR_llseek)
0c1592d9
PM		 6132 res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
6133 if (res == -1) {
6134 ret = get_errno(res);
6135 } else {
6136 ret = 0;
6137 }
4f2ac237 6138#else
31e31b8a 6139 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4f2ac237 6140#endif
0c1592d9
PM		 6141 if ((ret == 0) && put_user_s64(res, arg4)) {
6142 goto efault;
6143 }
31e31b8a
FB		 6144 }
6145 break;
7a3148a9 6146#endif
31e31b8a 6147 case TARGET_NR_getdents:
d83c8733 6148#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 6149 {
53a5960a 6150 struct target_dirent *target_dirp;
6556a833 6151 struct linux_dirent *dirp;
992f48a0 6152 abi_long count = arg3;
4add45b4
FB		 6153
6154 dirp = malloc(count);
0da46a6e 6155 if (!dirp) {
579a97f7 6156 ret = -TARGET_ENOMEM;
0da46a6e
TS		 6157 goto fail;
6158 }
3b46e624 6159
4add45b4
FB		 6160 ret = get_errno(sys_getdents(arg1, dirp, count));
6161 if (!is_error(ret)) {
6556a833 6162 struct linux_dirent *de;
4add45b4
FB		 6163 struct target_dirent *tde;
6164 int len = ret;
6165 int reclen, treclen;
6166 int count1, tnamelen;
6167
6168 count1 = 0;
6169 de = dirp;
579a97f7
FB		 6170 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6171 goto efault;
4add45b4
FB		 6172 tde = target_dirp;
6173 while (len > 0) {
6174 reclen = de->d_reclen;
992f48a0 6175 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 6176 tde->d_reclen = tswap16(treclen);
6177 tde->d_ino = tswapl(de->d_ino);
6178 tde->d_off = tswapl(de->d_off);
992f48a0 6179 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 6180 if (tnamelen > 256)
6181 tnamelen = 256;
80a9d035 6182 /* XXX: may not be correct */
be15b141 6183 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 6184 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 6185 len -= reclen;
1c5bf3bf 6186 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 6187 count1 += treclen;
6188 }
6189 ret = count1;
579a97f7 6190 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 6191 }
6192 free(dirp);
6193 }
6194#else
31e31b8a 6195 {
6556a833 6196 struct linux_dirent *dirp;
992f48a0 6197 abi_long count = arg3;
dab2ed99 6198
579a97f7
FB		 6199 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6200 goto efault;
72f03900 6201 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 6202 if (!is_error(ret)) {
6556a833 6203 struct linux_dirent *de;
31e31b8a
FB		 6204 int len = ret;
6205 int reclen;
6206 de = dirp;
6207 while (len > 0) {
8083a3e5 6208 reclen = de->d_reclen;
31e31b8a
FB		 6209 if (reclen > len)
6210 break;
8083a3e5 6211 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 6212 tswapls(&de->d_ino);
6213 tswapls(&de->d_off);
6556a833 6214 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 6215 len -= reclen;
6216 }
6217 }
53a5960a 6218 unlock_user(dirp, arg2, ret);
31e31b8a 6219 }
4add45b4 6220#endif
31e31b8a 6221 break;
3ae43202 6222#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 6223 case TARGET_NR_getdents64:
6224 {
6556a833 6225 struct linux_dirent64 *dirp;
992f48a0 6226 abi_long count = arg3;
579a97f7
FB		 6227 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6228 goto efault;
dab2ed99
FB		 6229 ret = get_errno(sys_getdents64(arg1, dirp, count));
6230 if (!is_error(ret)) {
6556a833 6231 struct linux_dirent64 *de;
dab2ed99
FB		 6232 int len = ret;
6233 int reclen;
6234 de = dirp;
6235 while (len > 0) {
8083a3e5 6236 reclen = de->d_reclen;
dab2ed99
FB		 6237 if (reclen > len)
6238 break;
8083a3e5 6239 de->d_reclen = tswap16(reclen);
8582a53a
FB		 6240 tswap64s((uint64_t *)&de->d_ino);
6241 tswap64s((uint64_t *)&de->d_off);
6556a833 6242 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 6243 len -= reclen;
6244 }
6245 }
53a5960a 6246 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 6247 }
6248 break;
a541f297 6249#endif /* TARGET_NR_getdents64 */
e5febef5 6250#ifdef TARGET_NR__newselect
31e31b8a 6251 case TARGET_NR__newselect:
53a5960a 6252 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 6253 break;
e5febef5 6254#endif
d8035d4c
MF		 6255#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
6256# ifdef TARGET_NR_poll
9de5e440 6257 case TARGET_NR_poll:
d8035d4c
MF		 6258# endif
6259# ifdef TARGET_NR_ppoll
6260 case TARGET_NR_ppoll:
6261# endif
9de5e440 6262 {
53a5960a 6263 struct target_pollfd *target_pfd;
9de5e440
FB		 6264 unsigned int nfds = arg2;
6265 int timeout = arg3;
6266 struct pollfd *pfd;
7854b056 6267 unsigned int i;
9de5e440 6268
579a97f7
FB		 6269 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
6270 if (!target_pfd)
6271 goto efault;
d8035d4c 6272
9de5e440
FB		 6273 pfd = alloca(sizeof(struct pollfd) * nfds);
6274 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 6275 pfd[i].fd = tswap32(target_pfd[i].fd);
6276 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440 6277 }
d8035d4c
MF		 6278
6279# ifdef TARGET_NR_ppoll
6280 if (num == TARGET_NR_ppoll) {
6281 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
6282 target_sigset_t *target_set;
6283 sigset_t _set, *set = &_set;
6284
6285 if (arg3) {
6286 if (target_to_host_timespec(timeout_ts, arg3)) {
6287 unlock_user(target_pfd, arg1, 0);
6288 goto efault;
6289 }
6290 } else {
6291 timeout_ts = NULL;
6292 }
6293
6294 if (arg4) {
6295 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
6296 if (!target_set) {
6297 unlock_user(target_pfd, arg1, 0);
6298 goto efault;
6299 }
6300 target_to_host_sigset(set, target_set);
6301 } else {
6302 set = NULL;
6303 }
6304
6305 ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
6306
6307 if (!is_error(ret) && arg3) {
6308 host_to_target_timespec(arg3, timeout_ts);
6309 }
6310 if (arg4) {
6311 unlock_user(target_set, arg4, 0);
6312 }
6313 } else
6314# endif
6315 ret = get_errno(poll(pfd, nfds, timeout));
6316
9de5e440
FB		 6317 if (!is_error(ret)) {
6318 for(i = 0; i < nfds; i++) {
5cd4393b 6319 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 6320 }
6321 }
30cb4cde 6322 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9de5e440
FB		 6323 }
6324 break;
e5febef5 6325#endif
31e31b8a 6326 case TARGET_NR_flock:
9de5e440
FB		 6327 /* NOTE: the flock constant seems to be the same for every
6328 Linux platform */
6329 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 6330 break;
6331 case TARGET_NR_readv:
6332 {
6333 int count = arg3;
31e31b8a 6334 struct iovec *vec;
31e31b8a
FB		 6335
6336 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 6337 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
6338 goto efault;
31e31b8a 6339 ret = get_errno(readv(arg1, vec, count));
53a5960a 6340 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 6341 }
6342 break;
6343 case TARGET_NR_writev:
6344 {
6345 int count = arg3;
31e31b8a 6346 struct iovec *vec;
31e31b8a
FB		 6347
6348 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 6349 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6350 goto efault;
31e31b8a 6351 ret = get_errno(writev(arg1, vec, count));
53a5960a 6352 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 6353 }
6354 break;
6355 case TARGET_NR_getsid:
6356 ret = get_errno(getsid(arg1));
6357 break;
7a3148a9 6358#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 6359 case TARGET_NR_fdatasync:
5cd4393b
FB		 6360 ret = get_errno(fdatasync(arg1));
6361 break;
7a3148a9 6362#endif
31e31b8a 6363 case TARGET_NR__sysctl:
0da46a6e 6364 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 6365 return value. */
0da46a6e
TS		 6366 ret = -TARGET_ENOTDIR;
6367 break;
737de1d1
MF		 6368 case TARGET_NR_sched_getaffinity:
6369 {
6370 unsigned int mask_size;
6371 unsigned long *mask;
6372
6373 /*
6374 * sched_getaffinity needs multiples of ulong, so need to take
6375 * care of mismatches between target ulong and host ulong sizes.
6376 */
6377 if (arg2 & (sizeof(abi_ulong) - 1)) {
6378 ret = -TARGET_EINVAL;
6379 break;
6380 }
6381 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
6382
6383 mask = alloca(mask_size);
6384 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
6385
6386 if (!is_error(ret)) {
6387 if (arg2 > ret) {
6388 /* Zero out any extra space kernel didn't fill */
6389 unsigned long zero = arg2 - ret;
6390 p = alloca(zero);
6391 memset(p, 0, zero);
6392 if (copy_to_user(arg3 + zero, p, zero)) {
6393 goto efault;
6394 }
6395 arg2 = ret;
6396 }
6397 if (copy_to_user(arg3, mask, arg2)) {
6398 goto efault;
6399 }
6400 ret = arg2;
6401 }
6402 }
6403 break;
6404 case TARGET_NR_sched_setaffinity:
6405 {
6406 unsigned int mask_size;
6407 unsigned long *mask;
6408
6409 /*
6410 * sched_setaffinity needs multiples of ulong, so need to take
6411 * care of mismatches between target ulong and host ulong sizes.
6412 */
6413 if (arg2 & (sizeof(abi_ulong) - 1)) {
6414 ret = -TARGET_EINVAL;
6415 break;
6416 }
6417 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
6418
6419 mask = alloca(mask_size);
6420 if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
6421 goto efault;
6422 }
6423 memcpy(mask, p, arg2);
6424 unlock_user_struct(p, arg2, 0);
6425
6426 ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
6427 }
6428 break;
31e31b8a 6429 case TARGET_NR_sched_setparam:
5cd4393b 6430 {
53a5960a 6431 struct sched_param *target_schp;
5cd4393b 6432 struct sched_param schp;
53a5960a 6433
579a97f7
FB		 6434 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
6435 goto efault;
5cd4393b 6436 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6437 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 6438 ret = get_errno(sched_setparam(arg1, &schp));
6439 }
6440 break;
31e31b8a 6441 case TARGET_NR_sched_getparam:
5cd4393b 6442 {
53a5960a 6443 struct sched_param *target_schp;
5cd4393b
FB		 6444 struct sched_param schp;
6445 ret = get_errno(sched_getparam(arg1, &schp));
6446 if (!is_error(ret)) {
579a97f7
FB		 6447 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
6448 goto efault;
5cd4393b 6449 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 6450 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 6451 }
6452 }
6453 break;
31e31b8a 6454 case TARGET_NR_sched_setscheduler:
5cd4393b 6455 {
53a5960a 6456 struct sched_param *target_schp;
5cd4393b 6457 struct sched_param schp;
579a97f7
FB		 6458 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
6459 goto efault;
5cd4393b 6460 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6461 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 6462 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
6463 }
6464 break;
31e31b8a 6465 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 6466 ret = get_errno(sched_getscheduler(arg1));
6467 break;
31e31b8a
FB		 6468 case TARGET_NR_sched_yield:
6469 ret = get_errno(sched_yield());
6470 break;
6471 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 6472 ret = get_errno(sched_get_priority_max(arg1));
6473 break;
31e31b8a 6474 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 6475 ret = get_errno(sched_get_priority_min(arg1));
6476 break;
31e31b8a 6477 case TARGET_NR_sched_rr_get_interval:
5cd4393b 6478 {
5cd4393b
FB		 6479 struct timespec ts;
6480 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6481 if (!is_error(ret)) {
53a5960a 6482 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 6483 }
6484 }
6485 break;
31e31b8a 6486 case TARGET_NR_nanosleep:
1b6b029e 6487 {
1b6b029e 6488 struct timespec req, rem;
53a5960a 6489 target_to_host_timespec(&req, arg1);
1b6b029e 6490 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 6491 if (is_error(ret) && arg2) {
6492 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 6493 }
6494 }
6495 break;
e5febef5 6496#ifdef TARGET_NR_query_module
31e31b8a 6497 case TARGET_NR_query_module:
5cd4393b 6498 goto unimplemented;
e5febef5
TS		 6499#endif
6500#ifdef TARGET_NR_nfsservctl
31e31b8a 6501 case TARGET_NR_nfsservctl:
5cd4393b 6502 goto unimplemented;
e5febef5 6503#endif
31e31b8a 6504 case TARGET_NR_prctl:
e5574487
TS		 6505 switch (arg1)
6506 {
6507 case PR_GET_PDEATHSIG:
6508 {
6509 int deathsig;
6510 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 6511 if (!is_error(ret) && arg2
6512 && put_user_ual(deathsig, arg2))
6513 goto efault;
e5574487
TS		 6514 }
6515 break;
6516 default:
6517 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6518 break;
6519 }
39b9aae1 6520 break;
d2fd1af7
FB		 6521#ifdef TARGET_NR_arch_prctl
6522 case TARGET_NR_arch_prctl:
6523#if defined(TARGET_I386) && !defined(TARGET_ABI32)
6524 ret = do_arch_prctl(cpu_env, arg1, arg2);
6525 break;
6526#else
6527 goto unimplemented;
6528#endif
6529#endif
67867308 6530#ifdef TARGET_NR_pread
31e31b8a 6531 case TARGET_NR_pread:
a4ae00bc
AZ		 6532#ifdef TARGET_ARM
6533 if (((CPUARMState *)cpu_env)->eabi)
6534 arg4 = arg5;
6535#endif
579a97f7
FB		 6536 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6537 goto efault;
53a5960a
PB		 6538 ret = get_errno(pread(arg1, p, arg3, arg4));
6539 unlock_user(p, arg2, ret);
206f0fa7 6540 break;
31e31b8a 6541 case TARGET_NR_pwrite:
a4ae00bc
AZ		 6542#ifdef TARGET_ARM
6543 if (((CPUARMState *)cpu_env)->eabi)
6544 arg4 = arg5;
6545#endif
579a97f7
FB		 6546 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6547 goto efault;
53a5960a
PB		 6548 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6549 unlock_user(p, arg2, 0);
206f0fa7 6550 break;
f2c7ba15
AJ		 6551#endif
6552#ifdef TARGET_NR_pread64
6553 case TARGET_NR_pread64:
6554 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6555 goto efault;
6556 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6557 unlock_user(p, arg2, ret);
6558 break;
6559 case TARGET_NR_pwrite64:
6560 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6561 goto efault;
6562 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6563 unlock_user(p, arg2, 0);
6564 break;
67867308 6565#endif
31e31b8a 6566 case TARGET_NR_getcwd:
579a97f7
FB		 6567 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6568 goto efault;
53a5960a
PB		 6569 ret = get_errno(sys_getcwd1(p, arg2));
6570 unlock_user(p, arg1, ret);
31e31b8a
FB		 6571 break;
6572 case TARGET_NR_capget:
5cd4393b 6573 goto unimplemented;
31e31b8a 6574 case TARGET_NR_capset:
5cd4393b 6575 goto unimplemented;
31e31b8a 6576 case TARGET_NR_sigaltstack:
198a74de 6577#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154
LV		 6578 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
6579 defined(TARGET_M68K)
579a97f7 6580 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 6581 break;
6582#else
5cd4393b 6583 goto unimplemented;
a04e134a 6584#endif
31e31b8a 6585 case TARGET_NR_sendfile:
5cd4393b 6586 goto unimplemented;
ebc05488 6587#ifdef TARGET_NR_getpmsg
31e31b8a 6588 case TARGET_NR_getpmsg:
5cd4393b 6589 goto unimplemented;
ebc05488
FB		 6590#endif
6591#ifdef TARGET_NR_putpmsg
31e31b8a 6592 case TARGET_NR_putpmsg:
5cd4393b 6593 goto unimplemented;
ebc05488 6594#endif
048f6b4d 6595#ifdef TARGET_NR_vfork
31e31b8a 6596 case TARGET_NR_vfork:
d865bab5
PB		 6597 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6598 0, 0, 0, 0));
31e31b8a 6599 break;
048f6b4d 6600#endif
ebc05488 6601#ifdef TARGET_NR_ugetrlimit
31e31b8a 6602 case TARGET_NR_ugetrlimit:
728584be
FB		 6603 {
6604 struct rlimit rlim;
6605 ret = get_errno(getrlimit(arg1, &rlim));
6606 if (!is_error(ret)) {
53a5960a 6607 struct target_rlimit *target_rlim;
579a97f7
FB		 6608 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6609 goto efault;
81bbe906
TY		 6610 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6611 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 6612 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 6613 }
6614 break;
6615 }
ebc05488 6616#endif
a315a145 6617#ifdef TARGET_NR_truncate64
31e31b8a 6618 case TARGET_NR_truncate64:
579a97f7
FB		 6619 if (!(p = lock_user_string(arg1)))
6620 goto efault;
53a5960a
PB		 6621 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6622 unlock_user(p, arg1, 0);
667f38b1 6623 break;
a315a145
FB		 6624#endif
6625#ifdef TARGET_NR_ftruncate64
31e31b8a 6626 case TARGET_NR_ftruncate64:
ce4defa0 6627 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 6628 break;
a315a145
FB		 6629#endif
6630#ifdef TARGET_NR_stat64
31e31b8a 6631 case TARGET_NR_stat64:
579a97f7
FB		 6632 if (!(p = lock_user_string(arg1)))
6633 goto efault;
53a5960a
PB		 6634 ret = get_errno(stat(path(p), &st));
6635 unlock_user(p, arg1, 0);
6a24a778
AZ		 6636 if (!is_error(ret))
6637 ret = host_to_target_stat64(cpu_env, arg2, &st);
6638 break;
a315a145
FB		 6639#endif
6640#ifdef TARGET_NR_lstat64
31e31b8a 6641 case TARGET_NR_lstat64:
579a97f7
FB		 6642 if (!(p = lock_user_string(arg1)))
6643 goto efault;
53a5960a
PB		 6644 ret = get_errno(lstat(path(p), &st));
6645 unlock_user(p, arg1, 0);
6a24a778
AZ		 6646 if (!is_error(ret))
6647 ret = host_to_target_stat64(cpu_env, arg2, &st);
6648 break;
a315a145
FB		 6649#endif
6650#ifdef TARGET_NR_fstat64
31e31b8a 6651 case TARGET_NR_fstat64:
6a24a778
AZ		 6652 ret = get_errno(fstat(arg1, &st));
6653 if (!is_error(ret))
6654 ret = host_to_target_stat64(cpu_env, arg2, &st);
6655 break;
ce4defa0 6656#endif
9d33b76b
AJ		 6657#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6658 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6659#ifdef TARGET_NR_fstatat64
6a24a778 6660 case TARGET_NR_fstatat64:
9d33b76b
AJ		 6661#endif
6662#ifdef TARGET_NR_newfstatat
6663 case TARGET_NR_newfstatat:
6664#endif
6a24a778
AZ		 6665 if (!(p = lock_user_string(arg2)))
6666 goto efault;
9d33b76b 6667#ifdef __NR_fstatat64
6a24a778 6668 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 6669#else
6670 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6671#endif
6a24a778
AZ		 6672 if (!is_error(ret))
6673 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 6674 break;
a315a145 6675#endif
67867308
FB		 6676#ifdef USE_UID16
6677 case TARGET_NR_lchown:
579a97f7
FB		 6678 if (!(p = lock_user_string(arg1)))
6679 goto efault;
53a5960a
PB		 6680 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6681 unlock_user(p, arg1, 0);
67867308
FB		 6682 break;
6683 case TARGET_NR_getuid:
6684 ret = get_errno(high2lowuid(getuid()));
6685 break;
6686 case TARGET_NR_getgid:
6687 ret = get_errno(high2lowgid(getgid()));
6688 break;
6689 case TARGET_NR_geteuid:
6690 ret = get_errno(high2lowuid(geteuid()));
6691 break;
6692 case TARGET_NR_getegid:
6693 ret = get_errno(high2lowgid(getegid()));
6694 break;
6695 case TARGET_NR_setreuid:
6696 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6697 break;
6698 case TARGET_NR_setregid:
6699 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6700 break;
6701 case TARGET_NR_getgroups:
6702 {
6703 int gidsetsize = arg1;
53a5960a 6704 uint16_t *target_grouplist;
67867308
FB		 6705 gid_t *grouplist;
6706 int i;
6707
6708 grouplist = alloca(gidsetsize * sizeof(gid_t));
6709 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6710 if (gidsetsize == 0)
6711 break;
67867308 6712 if (!is_error(ret)) {
579a97f7
FB		 6713 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6714 if (!target_grouplist)
6715 goto efault;
a2155fcc 6716 for(i = 0;i < ret; i++)
67867308 6717 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 6718 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 6719 }
6720 }
6721 break;
6722 case TARGET_NR_setgroups:
6723 {
6724 int gidsetsize = arg1;
53a5960a 6725 uint16_t *target_grouplist;
67867308
FB		 6726 gid_t *grouplist;
6727 int i;
6728
6729 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6730 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6731 if (!target_grouplist) {
6732 ret = -TARGET_EFAULT;
6733 goto fail;
6734 }
67867308
FB		 6735 for(i = 0;i < gidsetsize; i++)
6736 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 6737 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 6738 ret = get_errno(setgroups(gidsetsize, grouplist));
6739 }
6740 break;
6741 case TARGET_NR_fchown:
6742 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6743 break;
ccfa72b7
TS		 6744#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6745 case TARGET_NR_fchownat:
579a97f7
FB		 6746 if (!(p = lock_user_string(arg2)))
6747 goto efault;
6748 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6749 unlock_user(p, arg2, 0);
ccfa72b7
TS		 6750 break;
6751#endif
67867308
FB		 6752#ifdef TARGET_NR_setresuid
6753 case TARGET_NR_setresuid:
5fafdf24
TS		 6754 ret = get_errno(setresuid(low2highuid(arg1),
6755 low2highuid(arg2),
67867308
FB		 6756 low2highuid(arg3)));
6757 break;
6758#endif
6759#ifdef TARGET_NR_getresuid
6760 case TARGET_NR_getresuid:
6761 {
53a5960a 6762 uid_t ruid, euid, suid;
67867308
FB		 6763 ret = get_errno(getresuid(&ruid, &euid, &suid));
6764 if (!is_error(ret)) {
2f619698
FB		 6765 if (put_user_u16(high2lowuid(ruid), arg1)
6766 || put_user_u16(high2lowuid(euid), arg2)
6767 || put_user_u16(high2lowuid(suid), arg3))
6768 goto efault;
67867308
FB		 6769 }
6770 }
6771 break;
6772#endif
6773#ifdef TARGET_NR_getresgid
6774 case TARGET_NR_setresgid:
5fafdf24
TS		 6775 ret = get_errno(setresgid(low2highgid(arg1),
6776 low2highgid(arg2),
67867308
FB		 6777 low2highgid(arg3)));
6778 break;
6779#endif
6780#ifdef TARGET_NR_getresgid
6781 case TARGET_NR_getresgid:
6782 {
53a5960a 6783 gid_t rgid, egid, sgid;
67867308
FB		 6784 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6785 if (!is_error(ret)) {
2f619698
FB		 6786 if (put_user_u16(high2lowgid(rgid), arg1)
6787 || put_user_u16(high2lowgid(egid), arg2)
6788 || put_user_u16(high2lowgid(sgid), arg3))
6789 goto efault;
67867308
FB		 6790 }
6791 }
6792 break;
6793#endif
6794 case TARGET_NR_chown:
579a97f7
FB		 6795 if (!(p = lock_user_string(arg1)))
6796 goto efault;
53a5960a
PB		 6797 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6798 unlock_user(p, arg1, 0);
67867308
FB		 6799 break;
6800 case TARGET_NR_setuid:
6801 ret = get_errno(setuid(low2highuid(arg1)));
6802 break;
6803 case TARGET_NR_setgid:
6804 ret = get_errno(setgid(low2highgid(arg1)));
6805 break;
6806 case TARGET_NR_setfsuid:
6807 ret = get_errno(setfsuid(arg1));
6808 break;
6809 case TARGET_NR_setfsgid:
6810 ret = get_errno(setfsgid(arg1));
6811 break;
6812#endif /* USE_UID16 */
6813
a315a145 6814#ifdef TARGET_NR_lchown32
31e31b8a 6815 case TARGET_NR_lchown32:
579a97f7
FB		 6816 if (!(p = lock_user_string(arg1)))
6817 goto efault;
53a5960a
PB		 6818 ret = get_errno(lchown(p, arg2, arg3));
6819 unlock_user(p, arg1, 0);
b03c60f3 6820 break;
a315a145
FB		 6821#endif
6822#ifdef TARGET_NR_getuid32
31e31b8a 6823 case TARGET_NR_getuid32:
b03c60f3
FB		 6824 ret = get_errno(getuid());
6825 break;
a315a145 6826#endif
64b4d28c
AJ		 6827
6828#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6829 /* Alpha specific */
6830 case TARGET_NR_getxuid:
ba0e276d
RH		 6831 {
6832 uid_t euid;
6833 euid=geteuid();
6834 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6835 }
64b4d28c
AJ		 6836 ret = get_errno(getuid());
6837 break;
6838#endif
6839#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6840 /* Alpha specific */
6841 case TARGET_NR_getxgid:
ba0e276d
RH		 6842 {
6843 uid_t egid;
6844 egid=getegid();
6845 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6846 }
64b4d28c
AJ		 6847 ret = get_errno(getgid());
6848 break;
6849#endif
ba0e276d
RH		 6850#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
6851 /* Alpha specific */
6852 case TARGET_NR_osf_getsysinfo:
6853 ret = -TARGET_EOPNOTSUPP;
6854 switch (arg1) {
6855 case TARGET_GSI_IEEE_FP_CONTROL:
6856 {
6857 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
6858
6859 /* Copied from linux ieee_fpcr_to_swcr. */
6860 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
6861 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
6862 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
6863 | SWCR_TRAP_ENABLE_DZE
6864 | SWCR_TRAP_ENABLE_OVF);
6865 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
6866 | SWCR_TRAP_ENABLE_INE);
6867 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
6868 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
6869
6870 if (put_user_u64 (swcr, arg2))
6871 goto efault;
6872 ret = 0;
6873 }
6874 break;
6875
6876 /* case GSI_IEEE_STATE_AT_SIGNAL:
6877 -- Not implemented in linux kernel.
6878 case GSI_UACPROC:
6879 -- Retrieves current unaligned access state; not much used.
6880 case GSI_PROC_TYPE:
6881 -- Retrieves implver information; surely not used.
6882 case GSI_GET_HWRPB:
6883 -- Grabs a copy of the HWRPB; surely not used.
6884 */
6885 }
6886 break;
6887#endif
6888#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
6889 /* Alpha specific */
6890 case TARGET_NR_osf_setsysinfo:
6891 ret = -TARGET_EOPNOTSUPP;
6892 switch (arg1) {
6893 case TARGET_SSI_IEEE_FP_CONTROL:
6894 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
6895 {
6896 uint64_t swcr, fpcr, orig_fpcr;
6897
6898 if (get_user_u64 (swcr, arg2))
6899 goto efault;
6900 orig_fpcr = cpu_alpha_load_fpcr (cpu_env);
6901 fpcr = orig_fpcr & FPCR_DYN_MASK;
6902
6903 /* Copied from linux ieee_swcr_to_fpcr. */
6904 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
6905 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
6906 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
6907 | SWCR_TRAP_ENABLE_DZE
6908 | SWCR_TRAP_ENABLE_OVF)) << 48;
6909 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
6910 | SWCR_TRAP_ENABLE_INE)) << 57;
6911 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
6912 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
6913
6914 cpu_alpha_store_fpcr (cpu_env, fpcr);
6915 ret = 0;
6916
6917 if (arg1 == TARGET_SSI_IEEE_RAISE_EXCEPTION) {
6918 /* Old exceptions are not signaled. */
6919 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
6920
6921 /* If any exceptions set by this call, and are unmasked,
6922 send a signal. */
6923 /* ??? FIXME */
6924 }
6925 }
6926 break;
6927
6928 /* case SSI_NVPAIRS:
6929 -- Used with SSIN_UACPROC to enable unaligned accesses.
6930 case SSI_IEEE_STATE_AT_SIGNAL:
6931 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
6932 -- Not implemented in linux kernel
6933 */
6934 }
6935 break;
6936#endif
6937#ifdef TARGET_NR_osf_sigprocmask
6938 /* Alpha specific. */
6939 case TARGET_NR_osf_sigprocmask:
6940 {
6941 abi_ulong mask;
6942 int how = arg1;
6943 sigset_t set, oldset;
6944
6945 switch(arg1) {
6946 case TARGET_SIG_BLOCK:
6947 how = SIG_BLOCK;
6948 break;
6949 case TARGET_SIG_UNBLOCK:
6950 how = SIG_UNBLOCK;
6951 break;
6952 case TARGET_SIG_SETMASK:
6953 how = SIG_SETMASK;
6954 break;
6955 default:
6956 ret = -TARGET_EINVAL;
6957 goto fail;
6958 }
6959 mask = arg2;
6960 target_to_host_old_sigset(&set, &mask);
6961 sigprocmask(arg1, &set, &oldset);
6962 host_to_target_old_sigset(&mask, &oldset);
6963 ret = mask;
6964 }
6965 break;
6966#endif
64b4d28c 6967
a315a145 6968#ifdef TARGET_NR_getgid32
31e31b8a 6969 case TARGET_NR_getgid32:
b03c60f3
FB		 6970 ret = get_errno(getgid());
6971 break;
a315a145
FB		 6972#endif
6973#ifdef TARGET_NR_geteuid32
31e31b8a 6974 case TARGET_NR_geteuid32:
b03c60f3
FB		 6975 ret = get_errno(geteuid());
6976 break;
a315a145
FB		 6977#endif
6978#ifdef TARGET_NR_getegid32
31e31b8a 6979 case TARGET_NR_getegid32:
b03c60f3
FB		 6980 ret = get_errno(getegid());
6981 break;
a315a145
FB		 6982#endif
6983#ifdef TARGET_NR_setreuid32
31e31b8a 6984 case TARGET_NR_setreuid32:
b03c60f3
FB		 6985 ret = get_errno(setreuid(arg1, arg2));
6986 break;
a315a145
FB		 6987#endif
6988#ifdef TARGET_NR_setregid32
31e31b8a 6989 case TARGET_NR_setregid32:
b03c60f3
FB		 6990 ret = get_errno(setregid(arg1, arg2));
6991 break;
a315a145
FB		 6992#endif
6993#ifdef TARGET_NR_getgroups32
31e31b8a 6994 case TARGET_NR_getgroups32:
99c475ab
FB		 6995 {
6996 int gidsetsize = arg1;
53a5960a 6997 uint32_t *target_grouplist;
99c475ab
FB		 6998 gid_t *grouplist;
6999 int i;
7000
7001 grouplist = alloca(gidsetsize * sizeof(gid_t));
7002 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7003 if (gidsetsize == 0)
7004 break;
99c475ab 7005 if (!is_error(ret)) {
579a97f7
FB		 7006 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
7007 if (!target_grouplist) {
7008 ret = -TARGET_EFAULT;
7009 goto fail;
7010 }
a2155fcc 7011 for(i = 0;i < ret; i++)
53a5960a
PB		 7012 target_grouplist[i] = tswap32(grouplist[i]);
7013 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 7014 }
7015 }
7016 break;
a315a145
FB		 7017#endif
7018#ifdef TARGET_NR_setgroups32
31e31b8a 7019 case TARGET_NR_setgroups32:
99c475ab
FB		 7020 {
7021 int gidsetsize = arg1;
53a5960a 7022 uint32_t *target_grouplist;
99c475ab
FB		 7023 gid_t *grouplist;
7024 int i;
3b46e624 7025
99c475ab 7026 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 7027 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
7028 if (!target_grouplist) {
7029 ret = -TARGET_EFAULT;
7030 goto fail;
7031 }
99c475ab 7032 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 7033 grouplist[i] = tswap32(target_grouplist[i]);
7034 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 7035 ret = get_errno(setgroups(gidsetsize, grouplist));
7036 }
7037 break;
a315a145
FB		 7038#endif
7039#ifdef TARGET_NR_fchown32
31e31b8a 7040 case TARGET_NR_fchown32:
b03c60f3
FB		 7041 ret = get_errno(fchown(arg1, arg2, arg3));
7042 break;
a315a145
FB		 7043#endif
7044#ifdef TARGET_NR_setresuid32
31e31b8a 7045 case TARGET_NR_setresuid32:
b03c60f3
FB		 7046 ret = get_errno(setresuid(arg1, arg2, arg3));
7047 break;
a315a145
FB		 7048#endif
7049#ifdef TARGET_NR_getresuid32
31e31b8a 7050 case TARGET_NR_getresuid32:
b03c60f3 7051 {
53a5960a 7052 uid_t ruid, euid, suid;
b03c60f3
FB		 7053 ret = get_errno(getresuid(&ruid, &euid, &suid));
7054 if (!is_error(ret)) {
2f619698
FB		 7055 if (put_user_u32(ruid, arg1)
7056 || put_user_u32(euid, arg2)
7057 || put_user_u32(suid, arg3))
7058 goto efault;
b03c60f3
FB		 7059 }
7060 }
7061 break;
a315a145
FB		 7062#endif
7063#ifdef TARGET_NR_setresgid32
31e31b8a 7064 case TARGET_NR_setresgid32:
b03c60f3
FB		 7065 ret = get_errno(setresgid(arg1, arg2, arg3));
7066 break;
a315a145
FB		 7067#endif
7068#ifdef TARGET_NR_getresgid32
31e31b8a 7069 case TARGET_NR_getresgid32:
b03c60f3 7070 {
53a5960a 7071 gid_t rgid, egid, sgid;
b03c60f3
FB		 7072 ret = get_errno(getresgid(&rgid, &egid, &sgid));
7073 if (!is_error(ret)) {
2f619698
FB		 7074 if (put_user_u32(rgid, arg1)
7075 || put_user_u32(egid, arg2)
7076 || put_user_u32(sgid, arg3))
7077 goto efault;
b03c60f3
FB		 7078 }
7079 }
7080 break;
a315a145
FB		 7081#endif
7082#ifdef TARGET_NR_chown32
31e31b8a 7083 case TARGET_NR_chown32:
579a97f7
FB		 7084 if (!(p = lock_user_string(arg1)))
7085 goto efault;
53a5960a
PB		 7086 ret = get_errno(chown(p, arg2, arg3));
7087 unlock_user(p, arg1, 0);
b03c60f3 7088 break;
a315a145
FB		 7089#endif
7090#ifdef TARGET_NR_setuid32
31e31b8a 7091 case TARGET_NR_setuid32:
b03c60f3
FB		 7092 ret = get_errno(setuid(arg1));
7093 break;
a315a145
FB		 7094#endif
7095#ifdef TARGET_NR_setgid32
31e31b8a 7096 case TARGET_NR_setgid32:
b03c60f3
FB		 7097 ret = get_errno(setgid(arg1));
7098 break;
a315a145
FB		 7099#endif
7100#ifdef TARGET_NR_setfsuid32
31e31b8a 7101 case TARGET_NR_setfsuid32:
b03c60f3
FB		 7102 ret = get_errno(setfsuid(arg1));
7103 break;
a315a145
FB		 7104#endif
7105#ifdef TARGET_NR_setfsgid32
31e31b8a 7106 case TARGET_NR_setfsgid32:
b03c60f3
FB		 7107 ret = get_errno(setfsgid(arg1));
7108 break;
a315a145 7109#endif
67867308 7110
31e31b8a 7111 case TARGET_NR_pivot_root:
b03c60f3 7112 goto unimplemented;
ffa65c3b 7113#ifdef TARGET_NR_mincore
31e31b8a 7114 case TARGET_NR_mincore:
04bb9ace
AJ		 7115 {
7116 void *a;
7117 ret = -TARGET_EFAULT;
7118 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
7119 goto efault;
7120 if (!(p = lock_user_string(arg3)))
7121 goto mincore_fail;
7122 ret = get_errno(mincore(a, arg2, p));
7123 unlock_user(p, arg3, ret);
7124 mincore_fail:
7125 unlock_user(a, arg1, 0);
7126 }
7127 break;
ffa65c3b 7128#endif
408321b6
AJ		 7129#ifdef TARGET_NR_arm_fadvise64_64
7130 case TARGET_NR_arm_fadvise64_64:
7131 {
7132 /*
7133 * arm_fadvise64_64 looks like fadvise64_64 but
7134 * with different argument order
7135 */
7136 abi_long temp;
7137 temp = arg3;
7138 arg3 = arg4;
7139 arg4 = temp;
7140 }
7141#endif
e72d2cc7 7142#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 7143#ifdef TARGET_NR_fadvise64_64
7144 case TARGET_NR_fadvise64_64:
7145#endif
e72d2cc7
UH		 7146#ifdef TARGET_NR_fadvise64
7147 case TARGET_NR_fadvise64:
7148#endif
7149#ifdef TARGET_S390X
7150 switch (arg4) {
7151 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
7152 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
7153 case 6: arg4 = POSIX_FADV_DONTNEED; break;
7154 case 7: arg4 = POSIX_FADV_NOREUSE; break;
7155 default: break;
7156 }
7157#endif
7158 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 7159 break;
7160#endif
ffa65c3b 7161#ifdef TARGET_NR_madvise
31e31b8a 7162 case TARGET_NR_madvise:
24836689
PB		 7163 /* A straight passthrough may not be safe because qemu sometimes
7164 turns private flie-backed mappings into anonymous mappings.
7165 This will break MADV_DONTNEED.
7166 This is a hint, so ignoring and returning success is ok. */
7167 ret = get_errno(0);
7168 break;
ffa65c3b 7169#endif
992f48a0 7170#if TARGET_ABI_BITS == 32
31e31b8a 7171 case TARGET_NR_fcntl64:
77e4672d 7172 {
b1e341eb 7173 int cmd;
77e4672d 7174 struct flock64 fl;
53a5960a 7175 struct target_flock64 *target_fl;
ce4defa0 7176#ifdef TARGET_ARM
53a5960a 7177 struct target_eabi_flock64 *target_efl;
ce4defa0 7178#endif
77e4672d 7179
5f106811
APR		 7180 cmd = target_to_host_fcntl_cmd(arg2);
7181 if (cmd == -TARGET_EINVAL)
7182 return cmd;
b1e341eb 7183
60cd49d5 7184 switch(arg2) {
b1e341eb 7185 case TARGET_F_GETLK64:
5813427b
TS		 7186#ifdef TARGET_ARM
7187 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 7188 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7189 goto efault;
5813427b
TS		 7190 fl.l_type = tswap16(target_efl->l_type);
7191 fl.l_whence = tswap16(target_efl->l_whence);
7192 fl.l_start = tswap64(target_efl->l_start);
7193 fl.l_len = tswap64(target_efl->l_len);
7e22e546 7194 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 7195 unlock_user_struct(target_efl, arg3, 0);
7196 } else
7197#endif
7198 {
9ee1fa2c
FB		 7199 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
7200 goto efault;
5813427b
TS		 7201 fl.l_type = tswap16(target_fl->l_type);
7202 fl.l_whence = tswap16(target_fl->l_whence);
7203 fl.l_start = tswap64(target_fl->l_start);
7204 fl.l_len = tswap64(target_fl->l_len);
7e22e546 7205 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 7206 unlock_user_struct(target_fl, arg3, 0);
7207 }
b1e341eb 7208 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 7209 if (ret == 0) {
ce4defa0
PB		 7210#ifdef TARGET_ARM
7211 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 7212 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
7213 goto efault;
ce4defa0
PB		 7214 target_efl->l_type = tswap16(fl.l_type);
7215 target_efl->l_whence = tswap16(fl.l_whence);
7216 target_efl->l_start = tswap64(fl.l_start);
7217 target_efl->l_len = tswap64(fl.l_len);
7e22e546 7218 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 7219 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 7220 } else
7221#endif
7222 {
9ee1fa2c
FB		 7223 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
7224 goto efault;
ce4defa0
PB		 7225 target_fl->l_type = tswap16(fl.l_type);
7226 target_fl->l_whence = tswap16(fl.l_whence);
7227 target_fl->l_start = tswap64(fl.l_start);
7228 target_fl->l_len = tswap64(fl.l_len);
7e22e546 7229 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 7230 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 7231 }
77e4672d
FB		 7232 }
7233 break;
7234
b1e341eb
TS		 7235 case TARGET_F_SETLK64:
7236 case TARGET_F_SETLKW64:
ce4defa0
PB		 7237#ifdef TARGET_ARM
7238 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 7239 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7240 goto efault;
ce4defa0
PB		 7241 fl.l_type = tswap16(target_efl->l_type);
7242 fl.l_whence = tswap16(target_efl->l_whence);
7243 fl.l_start = tswap64(target_efl->l_start);
7244 fl.l_len = tswap64(target_efl->l_len);
7e22e546 7245 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 7246 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 7247 } else
7248#endif
7249 {
9ee1fa2c
FB		 7250 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
7251 goto efault;
ce4defa0
PB		 7252 fl.l_type = tswap16(target_fl->l_type);
7253 fl.l_whence = tswap16(target_fl->l_whence);
7254 fl.l_start = tswap64(target_fl->l_start);
7255 fl.l_len = tswap64(target_fl->l_len);
7e22e546 7256 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 7257 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 7258 }
b1e341eb 7259 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 7260 break;
60cd49d5 7261 default:
5f106811 7262 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 7263 break;
7264 }
77e4672d
FB		 7265 break;
7266 }
60cd49d5 7267#endif
7d600c80
TS		 7268#ifdef TARGET_NR_cacheflush
7269 case TARGET_NR_cacheflush:
7270 /* self-modifying code is handled automatically, so nothing needed */
7271 ret = 0;
7272 break;
7273#endif
ebc05488 7274#ifdef TARGET_NR_security
31e31b8a
FB		 7275 case TARGET_NR_security:
7276 goto unimplemented;
c573ff67
FB		 7277#endif
7278#ifdef TARGET_NR_getpagesize
7279 case TARGET_NR_getpagesize:
7280 ret = TARGET_PAGE_SIZE;
7281 break;
ebc05488 7282#endif
31e31b8a
FB		 7283 case TARGET_NR_gettid:
7284 ret = get_errno(gettid());
7285 break;
e5febef5 7286#ifdef TARGET_NR_readahead
31e31b8a 7287 case TARGET_NR_readahead:
2054ac9b
AJ		 7288#if TARGET_ABI_BITS == 32
7289#ifdef TARGET_ARM
7290 if (((CPUARMState *)cpu_env)->eabi)
7291 {
7292 arg2 = arg3;
7293 arg3 = arg4;
7294 arg4 = arg5;
7295 }
7296#endif
7297 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
7298#else
7299 ret = get_errno(readahead(arg1, arg2, arg3));
7300#endif
7301 break;
e5febef5 7302#endif
ebc05488 7303#ifdef TARGET_NR_setxattr
31e31b8a
FB		 7304 case TARGET_NR_setxattr:
7305 case TARGET_NR_lsetxattr:
7306 case TARGET_NR_fsetxattr:
7307 case TARGET_NR_getxattr:
7308 case TARGET_NR_lgetxattr:
7309 case TARGET_NR_fgetxattr:
7310 case TARGET_NR_listxattr:
7311 case TARGET_NR_llistxattr:
7312 case TARGET_NR_flistxattr:
7313 case TARGET_NR_removexattr:
7314 case TARGET_NR_lremovexattr:
7315 case TARGET_NR_fremovexattr:
6f932f91
AP		 7316 ret = -TARGET_EOPNOTSUPP;
7317 break;
ebc05488
FB		 7318#endif
7319#ifdef TARGET_NR_set_thread_area
5cd4393b 7320 case TARGET_NR_set_thread_area:
8d18e893 7321#if defined(TARGET_MIPS)
6f5b89a0
TS		 7322 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
7323 ret = 0;
7324 break;
ef96779b
EI		 7325#elif defined(TARGET_CRIS)
7326 if (arg1 & 0xff)
7327 ret = -TARGET_EINVAL;
7328 else {
7329 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
7330 ret = 0;
7331 }
7332 break;
8d18e893
FB		 7333#elif defined(TARGET_I386) && defined(TARGET_ABI32)
7334 ret = do_set_thread_area(cpu_env, arg1);
7335 break;
6f5b89a0
TS		 7336#else
7337 goto unimplemented_nowarn;
7338#endif
7339#endif
7340#ifdef TARGET_NR_get_thread_area
5cd4393b 7341 case TARGET_NR_get_thread_area:
8d18e893
FB		 7342#if defined(TARGET_I386) && defined(TARGET_ABI32)
7343 ret = do_get_thread_area(cpu_env, arg1);
7344#else
5cd4393b 7345 goto unimplemented_nowarn;
48dc41eb 7346#endif
8d18e893 7347#endif
48dc41eb
FB		 7348#ifdef TARGET_NR_getdomainname
7349 case TARGET_NR_getdomainname:
7350 goto unimplemented_nowarn;
ebc05488 7351#endif
6f5b89a0 7352
b5906f95
TS		 7353#ifdef TARGET_NR_clock_gettime
7354 case TARGET_NR_clock_gettime:
7355 {
7356 struct timespec ts;
7357 ret = get_errno(clock_gettime(arg1, &ts));
7358 if (!is_error(ret)) {
7359 host_to_target_timespec(arg2, &ts);
7360 }
7361 break;
7362 }
7363#endif
7364#ifdef TARGET_NR_clock_getres
7365 case TARGET_NR_clock_getres:
7366 {
7367 struct timespec ts;
7368 ret = get_errno(clock_getres(arg1, &ts));
7369 if (!is_error(ret)) {
7370 host_to_target_timespec(arg2, &ts);
7371 }
7372 break;
7373 }
7374#endif
63d7651b
PB		 7375#ifdef TARGET_NR_clock_nanosleep
7376 case TARGET_NR_clock_nanosleep:
7377 {
7378 struct timespec ts;
7379 target_to_host_timespec(&ts, arg3);
7380 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
7381 if (arg4)
7382 host_to_target_timespec(arg4, &ts);
7383 break;
7384 }
7385#endif
b5906f95 7386
6f5b89a0
TS		 7387#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
7388 case TARGET_NR_set_tid_address:
579a97f7
FB		 7389 ret = get_errno(set_tid_address((int *)g2h(arg1)));
7390 break;
6f5b89a0
TS		 7391#endif
7392
3ae43202 7393#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 7394 case TARGET_NR_tkill:
4cb05961 7395 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 7396 break;
7397#endif
7398
3ae43202 7399#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 7400 case TARGET_NR_tgkill:
4cb05961
PB		 7401 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
7402 target_to_host_signal(arg3)));
71455574
TS		 7403 break;
7404#endif
7405
4f2b1fe8
TS		 7406#ifdef TARGET_NR_set_robust_list
7407 case TARGET_NR_set_robust_list:
7408 goto unimplemented_nowarn;
7409#endif
7410
9007f0ef
TS		 7411#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
7412 case TARGET_NR_utimensat:
7413 {
ebc996f3
RV		 7414 struct timespec *tsp, ts[2];
7415 if (!arg3) {
7416 tsp = NULL;
7417 } else {
7418 target_to_host_timespec(ts, arg3);
7419 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
7420 tsp = ts;
7421 }
9007f0ef 7422 if (!arg2)
ebc996f3 7423 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 7424 else {
579a97f7 7425 if (!(p = lock_user_string(arg2))) {
0da46a6e 7426 ret = -TARGET_EFAULT;
579a97f7
FB		 7427 goto fail;
7428 }
ebc996f3 7429 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 7430 unlock_user(p, arg2, 0);
9007f0ef
TS		 7431 }
7432 }
7433 break;
7434#endif
2f7bb878 7435#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 7436 case TARGET_NR_futex:
7437 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
7438 break;
7439#endif
dbfe4c36 7440#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 7441 case TARGET_NR_inotify_init:
7442 ret = get_errno(sys_inotify_init());
7443 break;
7444#endif
a1606b0b 7445#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 7446#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
7447 case TARGET_NR_inotify_init1:
7448 ret = get_errno(sys_inotify_init1(arg1));
7449 break;
7450#endif
a1606b0b 7451#endif
dbfe4c36 7452#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 7453 case TARGET_NR_inotify_add_watch:
7454 p = lock_user_string(arg2);
7455 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
7456 unlock_user(p, arg2, 0);
7457 break;
7458#endif
dbfe4c36 7459#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 7460 case TARGET_NR_inotify_rm_watch:
7461 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
7462 break;
7463#endif
9007f0ef 7464
8ec9cf89 7465#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 7466 case TARGET_NR_mq_open:
7467 {
7468 struct mq_attr posix_mq_attr;
7469
7470 p = lock_user_string(arg1 - 1);
7471 if (arg4 != 0)
7472 copy_from_user_mq_attr (&posix_mq_attr, arg4);
7473 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
7474 unlock_user (p, arg1, 0);
7475 }
7476 break;
7477
7478 case TARGET_NR_mq_unlink:
7479 p = lock_user_string(arg1 - 1);
7480 ret = get_errno(mq_unlink(p));
7481 unlock_user (p, arg1, 0);
7482 break;
7483
7484 case TARGET_NR_mq_timedsend:
7485 {
7486 struct timespec ts;
7487
7488 p = lock_user (VERIFY_READ, arg2, arg3, 1);
7489 if (arg5 != 0) {
7490 target_to_host_timespec(&ts, arg5);
7491 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
7492 host_to_target_timespec(arg5, &ts);
7493 }
7494 else
7495 ret = get_errno(mq_send(arg1, p, arg3, arg4));
7496 unlock_user (p, arg2, arg3);
7497 }
7498 break;
7499
7500 case TARGET_NR_mq_timedreceive:
7501 {
7502 struct timespec ts;
7503 unsigned int prio;
7504
7505 p = lock_user (VERIFY_READ, arg2, arg3, 1);
7506 if (arg5 != 0) {
7507 target_to_host_timespec(&ts, arg5);
7508 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
7509 host_to_target_timespec(arg5, &ts);
7510 }
7511 else
7512 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
7513 unlock_user (p, arg2, arg3);
7514 if (arg4 != 0)
7515 put_user_u32(prio, arg4);
7516 }
7517 break;
7518
7519 /* Not implemented for now... */
7520/* case TARGET_NR_mq_notify: */
7521/* break; */
7522
7523 case TARGET_NR_mq_getsetattr:
7524 {
7525 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
7526 ret = 0;
7527 if (arg3 != 0) {
7528 ret = mq_getattr(arg1, &posix_mq_attr_out);
7529 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
7530 }
7531 if (arg2 != 0) {
7532 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
7533 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
7534 }
7535
7536 }
7537 break;
7538#endif
7539
3ce34dfb
VS		 7540#ifdef CONFIG_SPLICE
7541#ifdef TARGET_NR_tee
7542 case TARGET_NR_tee:
7543 {
7544 ret = get_errno(tee(arg1,arg2,arg3,arg4));
7545 }
7546 break;
7547#endif
7548#ifdef TARGET_NR_splice
7549 case TARGET_NR_splice:
7550 {
7551 loff_t loff_in, loff_out;
7552 loff_t *ploff_in = NULL, *ploff_out = NULL;
7553 if(arg2) {
7554 get_user_u64(loff_in, arg2);
7555 ploff_in = &loff_in;
7556 }
7557 if(arg4) {
7558 get_user_u64(loff_out, arg2);
7559 ploff_out = &loff_out;
7560 }
7561 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
7562 }
7563 break;
7564#endif
7565#ifdef TARGET_NR_vmsplice
7566 case TARGET_NR_vmsplice:
7567 {
7568 int count = arg3;
7569 struct iovec *vec;
7570
7571 vec = alloca(count * sizeof(struct iovec));
7572 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
7573 goto efault;
7574 ret = get_errno(vmsplice(arg1, vec, count, arg4));
7575 unlock_iovec(vec, arg2, count, 0);
7576 }
7577 break;
7578#endif
7579#endif /* CONFIG_SPLICE */
c2882b96
RV		 7580#ifdef CONFIG_EVENTFD
7581#if defined(TARGET_NR_eventfd)
7582 case TARGET_NR_eventfd:
7583 ret = get_errno(eventfd(arg1, 0));
7584 break;
7585#endif
7586#if defined(TARGET_NR_eventfd2)
7587 case TARGET_NR_eventfd2:
7588 ret = get_errno(eventfd(arg1, arg2));
7589 break;
7590#endif
7591#endif /* CONFIG_EVENTFD */
d0927938
UH		 7592#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
7593 case TARGET_NR_fallocate:
7594 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
7595 break;
c727f47d
PM		 7596#endif
7597#if defined(CONFIG_SYNC_FILE_RANGE)
7598#if defined(TARGET_NR_sync_file_range)
7599 case TARGET_NR_sync_file_range:
7600#if TARGET_ABI_BITS == 32
7601 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
7602 target_offset64(arg4, arg5), arg6));
7603#else
7604 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
7605#endif
7606 break;
7607#endif
7608#if defined(TARGET_NR_sync_file_range2)
7609 case TARGET_NR_sync_file_range2:
7610 /* This is like sync_file_range but the arguments are reordered */
7611#if TARGET_ABI_BITS == 32
7612 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
7613 target_offset64(arg5, arg6), arg2));
7614#else
7615 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
7616#endif
7617 break;
7618#endif
3b6edd16
PM		 7619#endif
7620#if defined(CONFIG_EPOLL)
7621#if defined(TARGET_NR_epoll_create)
7622 case TARGET_NR_epoll_create:
7623 ret = get_errno(epoll_create(arg1));
7624 break;
7625#endif
7626#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
7627 case TARGET_NR_epoll_create1:
7628 ret = get_errno(epoll_create1(arg1));
7629 break;
7630#endif
7631#if defined(TARGET_NR_epoll_ctl)
7632 case TARGET_NR_epoll_ctl:
7633 {
7634 struct epoll_event ep;
7635 struct epoll_event *epp = 0;
7636 if (arg4) {
7637 struct target_epoll_event *target_ep;
7638 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
7639 goto efault;
7640 }
7641 ep.events = tswap32(target_ep->events);
7642 /* The epoll_data_t union is just opaque data to the kernel,
7643 * so we transfer all 64 bits across and need not worry what
7644 * actual data type it is.
7645 */
7646 ep.data.u64 = tswap64(target_ep->data.u64);
7647 unlock_user_struct(target_ep, arg4, 0);
7648 epp = &ep;
7649 }
7650 ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
7651 break;
7652 }
7653#endif
7654
7655#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
7656#define IMPLEMENT_EPOLL_PWAIT
7657#endif
7658#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
7659#if defined(TARGET_NR_epoll_wait)
7660 case TARGET_NR_epoll_wait:
7661#endif
7662#if defined(IMPLEMENT_EPOLL_PWAIT)
7663 case TARGET_NR_epoll_pwait:
7664#endif
7665 {
7666 struct target_epoll_event *target_ep;
7667 struct epoll_event *ep;
7668 int epfd = arg1;
7669 int maxevents = arg3;
7670 int timeout = arg4;
7671
7672 target_ep = lock_user(VERIFY_WRITE, arg2,
7673 maxevents * sizeof(struct target_epoll_event), 1);
7674 if (!target_ep) {
7675 goto efault;
7676 }
7677
7678 ep = alloca(maxevents * sizeof(struct epoll_event));
7679
7680 switch (num) {
7681#if defined(IMPLEMENT_EPOLL_PWAIT)
7682 case TARGET_NR_epoll_pwait:
7683 {
7684 target_sigset_t *target_set;
7685 sigset_t _set, *set = &_set;
7686
7687 if (arg5) {
7688 target_set = lock_user(VERIFY_READ, arg5,
7689 sizeof(target_sigset_t), 1);
7690 if (!target_set) {
7691 unlock_user(target_ep, arg2, 0);
7692 goto efault;
7693 }
7694 target_to_host_sigset(set, target_set);
7695 unlock_user(target_set, arg5, 0);
7696 } else {
7697 set = NULL;
7698 }
7699
7700 ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
7701 break;
7702 }
7703#endif
7704#if defined(TARGET_NR_epoll_wait)
7705 case TARGET_NR_epoll_wait:
7706 ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
7707 break;
7708#endif
7709 default:
7710 ret = -TARGET_ENOSYS;
7711 }
7712 if (!is_error(ret)) {
7713 int i;
7714 for (i = 0; i < ret; i++) {
7715 target_ep[i].events = tswap32(ep[i].events);
7716 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
7717 }
7718 }
7719 unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
7720 break;
7721 }
7722#endif
d0927938 7723#endif
31e31b8a
FB		 7724 default:
7725 unimplemented:
5cd4393b 7726 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 7727#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 7728 unimplemented_nowarn:
80a9d035 7729#endif
0da46a6e 7730 ret = -TARGET_ENOSYS;
31e31b8a
FB		 7731 break;
7732 }
579a97f7 7733fail:
c573ff67 7734#ifdef DEBUG
0bf9e31a 7735 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 7736#endif
b92c47c1
TS		 7737 if(do_strace)
7738 print_syscall_ret(num, ret);
31e31b8a 7739 return ret;
579a97f7
FB		 7740efault:
7741 ret = -TARGET_EFAULT;
7742 goto fail;
31e31b8a 7743}
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