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linux-user: do_msgrcv: don't leak host_mb upon TARGET_EFAULT failure
[qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
8167ee88 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
31e31b8a 18 */
d5b3a9b6 19#define _ATFILE_SOURCE
31e31b8a
FB		 20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
82e671d9 30#include <limits.h>
31e31b8a 31#include <sys/types.h>
d08d3bb8
TS		 32#include <sys/ipc.h>
33#include <sys/msg.h>
31e31b8a
FB		 34#include <sys/wait.h>
35#include <sys/time.h>
36#include <sys/stat.h>
37#include <sys/mount.h>
39b9aae1 38#include <sys/prctl.h>
31e31b8a
FB		 39#include <sys/resource.h>
40#include <sys/mman.h>
41#include <sys/swap.h>
42#include <signal.h>
43#include <sched.h>
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>
86fcd946 62#include <linux/wireless.h>
920394db 63#include <linux/icmp.h>
5a61cb60 64#include "qemu-common.h"
9788c9ca 65#ifdef TARGET_GPROF
6d946cda
AJ		 66#include <sys/gmon.h>
67#endif
c2882b96
RV		 68#ifdef CONFIG_EVENTFD
69#include <sys/eventfd.h>
70#endif
3b6edd16
PM		 71#ifdef CONFIG_EPOLL
72#include <sys/epoll.h>
73#endif
a790ae38 74#ifdef CONFIG_ATTR
4f26f2b6 75#include "qemu-xattr.h"
a790ae38 76#endif
31e31b8a
FB		 77
78#define termios host_termios
79#define winsize host_winsize
80#define termio host_termio
04369ff2
FB		 81#define sgttyb host_sgttyb /* same as target */
82#define tchars host_tchars /* same as target */
83#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 84
85#include <linux/termios.h>
86#include <linux/unistd.h>
87#include <linux/utsname.h>
88#include <linux/cdrom.h>
89#include <linux/hdreg.h>
90#include <linux/soundcard.h>
19b84f3c 91#include <linux/kd.h>
8fbd6b52 92#include <linux/mtio.h>
350d1779 93#include <linux/fs.h>
dace20dc 94#if defined(CONFIG_FIEMAP)
285da2b9 95#include <linux/fiemap.h>
dace20dc 96#endif
f7680a55
UH		 97#include <linux/fb.h>
98#include <linux/vt.h>
56e904ec 99#include <linux/dm-ioctl.h>
d7e4036e 100#include "linux_loop.h"
da79030f 101#include "cpu-uname.h"
31e31b8a 102
3ef693a0 103#include "qemu.h"
31e31b8a 104
2f7bb878 105#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 106#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
107 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
108#else
109/* XXX: Hardcode the above values. */
110#define CLONE_NPTL_FLAGS2 0
30813cea
PB		 111#endif
112
72f03900 113//#define DEBUG
31e31b8a 114
1a9353d2 115//#include <linux/msdos_fs.h>
6556a833
AJ		 116#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
117#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 118
70a194b9 119
70a194b9
FB		 120#undef _syscall0
121#undef _syscall1
122#undef _syscall2
123#undef _syscall3
124#undef _syscall4
125#undef _syscall5
83fcb515 126#undef _syscall6
70a194b9 127
83fcb515 128#define _syscall0(type,name) \
8fcd3692 129static type name (void) \
83fcb515
FB		 130{ \
131 return syscall(__NR_##name); \
132}
70a194b9 133
83fcb515 134#define _syscall1(type,name,type1,arg1) \
8fcd3692 135static type name (type1 arg1) \
83fcb515
FB		 136{ \
137 return syscall(__NR_##name, arg1); \
70a194b9
FB		 138}
139
83fcb515 140#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 141static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 142{ \
143 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 144}
145
83fcb515 146#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 147static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 148{ \
149 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 150}
151
83fcb515 152#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 153static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 154{ \
155 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 156}
157
83fcb515
FB		 158#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
159 type5,arg5) \
8fcd3692 160static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 161{ \
162 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 163}
164
83fcb515
FB		 165
166#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
167 type5,arg5,type6,arg6) \
8fcd3692
BS		 168static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
169 type6 arg6) \
83fcb515
FB		 170{ \
171 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 172}
83fcb515 173
70a194b9 174
31e31b8a 175#define __NR_sys_uname __NR_uname
92a34c10 176#define __NR_sys_faccessat __NR_faccessat
814d7977 177#define __NR_sys_fchmodat __NR_fchmodat
ccfa72b7 178#define __NR_sys_fchownat __NR_fchownat
6a24a778 179#define __NR_sys_fstatat64 __NR_fstatat64
ac8a6556 180#define __NR_sys_futimesat __NR_futimesat
72f03900 181#define __NR_sys_getcwd1 __NR_getcwd
72f03900 182#define __NR_sys_getdents __NR_getdents
dab2ed99 183#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 184#define __NR_sys_getpriority __NR_getpriority
64f0ce4c 185#define __NR_sys_linkat __NR_linkat
4472ad0d 186#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 187#define __NR_sys_mknodat __NR_mknodat
9d33b76b 188#define __NR_sys_newfstatat __NR_newfstatat
82424832 189#define __NR_sys_openat __NR_openat
5e0ccb18 190#define __NR_sys_readlinkat __NR_readlinkat
722183f6 191#define __NR_sys_renameat __NR_renameat
66fb9763 192#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
f0b6243d 193#define __NR_sys_symlinkat __NR_symlinkat
7494b0f9 194#define __NR_sys_syslog __NR_syslog
71455574 195#define __NR_sys_tgkill __NR_tgkill
4cae1d16 196#define __NR_sys_tkill __NR_tkill
8170f56b 197#define __NR_sys_unlinkat __NR_unlinkat
9007f0ef 198#define __NR_sys_utimensat __NR_utimensat
bd0c5661 199#define __NR_sys_futex __NR_futex
39b59763
AJ		 200#define __NR_sys_inotify_init __NR_inotify_init
201#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
202#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 203
42a39fbe
AG		 204#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
205 defined(__s390x__)
9af9eaaa
FB		 206#define __NR__llseek __NR_lseek
207#endif
208
72f03900 209#ifdef __NR_gettid
31e31b8a 210_syscall0(int, gettid)
72f03900 211#else
0da46a6e
TS		 212/* This is a replacement for the host gettid() and must return a host
213 errno. */
72f03900
FB		 214static int gettid(void) {
215 return -ENOSYS;
216}
217#endif
3b3f24ad 218_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3b3f24ad
AJ		 219#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
220_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
221#endif
d35b261c 222#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
3b3f24ad
AJ		 223_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
224 loff_t *, res, uint, wh);
225#endif
226_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
227_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
228#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
229_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
230#endif
231#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
232_syscall2(int,sys_tkill,int,tid,int,sig)
233#endif
234#ifdef __NR_exit_group
235_syscall1(int,exit_group,int,error_code)
236#endif
237#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
238_syscall1(int,set_tid_address,int *,tidptr)
239#endif
2f7bb878 240#if defined(CONFIG_USE_NPTL)
3b3f24ad
AJ		 241#if defined(TARGET_NR_futex) && defined(__NR_futex)
242_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
243 const struct timespec *,timeout,int *,uaddr2,int,val3)
244#endif
245#endif
737de1d1
MF		 246#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
247_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
248 unsigned long *, user_mask_ptr);
249#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
250_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
251 unsigned long *, user_mask_ptr);
0f6b4d21
AG		 252_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
253 void *, arg);
3b3f24ad
AJ		 254
255static bitmask_transtbl fcntl_flags_tbl[] = {
256 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
257 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
258 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
259 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
260 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
261 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
262 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
263 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
afc8763f 264 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
3b3f24ad
AJ		 265 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
266 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
267 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
268 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
3b3f24ad
AJ		 269#if defined(O_DIRECT)
270 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
afc8763f
RH		 271#endif
272#if defined(O_NOATIME)
273 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
274#endif
275#if defined(O_CLOEXEC)
276 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
277#endif
278#if defined(O_PATH)
279 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
280#endif
281 /* Don't terminate the list prematurely on 64-bit host+guest. */
282#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
283 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
3b3f24ad
AJ		 284#endif
285 { 0, 0, 0, 0 }
286};
287
288#define COPY_UTSNAME_FIELD(dest, src) \
289 do { \
290 /* __NEW_UTS_LEN doesn't include terminating null */ \
291 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
292 (dest)[__NEW_UTS_LEN] = '\0'; \
293 } while (0)
294
295static int sys_uname(struct new_utsname *buf)
296{
297 struct utsname uts_buf;
298
299 if (uname(&uts_buf) < 0)
300 return (-1);
301
302 /*
303 * Just in case these have some differences, we
304 * translate utsname to new_utsname (which is the
305 * struct linux kernel uses).
306 */
307
67bd9ede 308 memset(buf, 0, sizeof(*buf));
3b3f24ad
AJ		 309 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
310 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
311 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
312 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
313 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
314#ifdef _GNU_SOURCE
315 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
316#endif
317 return (0);
318
319#undef COPY_UTSNAME_FIELD
320}
321
322static int sys_getcwd1(char *buf, size_t size)
323{
324 if (getcwd(buf, size) == NULL) {
325 /* getcwd() sets errno */
326 return (-1);
327 }
aaf4ad39 328 return strlen(buf)+1;
3b3f24ad
AJ		 329}
330
331#ifdef CONFIG_ATFILE
332/*
333 * Host system seems to have atfile syscall stubs available. We
334 * now enable them one by one as specified by target syscall_nr.h.
335 */
336
337#ifdef TARGET_NR_faccessat
465c9f06 338static int sys_faccessat(int dirfd, const char *pathname, int mode)
3b3f24ad 339{
465c9f06 340 return (faccessat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 341}
342#endif
343#ifdef TARGET_NR_fchmodat
465c9f06 344static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
3b3f24ad 345{
465c9f06 346 return (fchmodat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 347}
348#endif
0c866a7e 349#if defined(TARGET_NR_fchownat)
3b3f24ad
AJ		 350static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
351 gid_t group, int flags)
352{
353 return (fchownat(dirfd, pathname, owner, group, flags));
354}
355#endif
356#ifdef __NR_fstatat64
357static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
358 int flags)
359{
360 return (fstatat(dirfd, pathname, buf, flags));
361}
362#endif
363#ifdef __NR_newfstatat
364static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
365 int flags)
366{
367 return (fstatat(dirfd, pathname, buf, flags));
368}
369#endif
370#ifdef TARGET_NR_futimesat
371static int sys_futimesat(int dirfd, const char *pathname,
372 const struct timeval times[2])
373{
374 return (futimesat(dirfd, pathname, times));
375}
376#endif
377#ifdef TARGET_NR_linkat
378static int sys_linkat(int olddirfd, const char *oldpath,
379 int newdirfd, const char *newpath, int flags)
380{
381 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
382}
383#endif
384#ifdef TARGET_NR_mkdirat
385static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
386{
387 return (mkdirat(dirfd, pathname, mode));
388}
389#endif
390#ifdef TARGET_NR_mknodat
391static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
392 dev_t dev)
393{
394 return (mknodat(dirfd, pathname, mode, dev));
395}
396#endif
397#ifdef TARGET_NR_openat
f4c69010 398static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode)
3b3f24ad
AJ		 399{
400 /*
401 * open(2) has extra parameter 'mode' when called with
402 * flag O_CREAT.
403 */
404 if ((flags & O_CREAT) != 0) {
3b3f24ad
AJ		 405 return (openat(dirfd, pathname, flags, mode));
406 }
407 return (openat(dirfd, pathname, flags));
408}
409#endif
410#ifdef TARGET_NR_readlinkat
411static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
412{
413 return (readlinkat(dirfd, pathname, buf, bufsiz));
414}
415#endif
416#ifdef TARGET_NR_renameat
417static int sys_renameat(int olddirfd, const char *oldpath,
418 int newdirfd, const char *newpath)
419{
420 return (renameat(olddirfd, oldpath, newdirfd, newpath));
421}
422#endif
423#ifdef TARGET_NR_symlinkat
424static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
425{
426 return (symlinkat(oldpath, newdirfd, newpath));
427}
428#endif
429#ifdef TARGET_NR_unlinkat
430static int sys_unlinkat(int dirfd, const char *pathname, int flags)
431{
432 return (unlinkat(dirfd, pathname, flags));
433}
434#endif
3b3f24ad
AJ		 435#else /* !CONFIG_ATFILE */
436
437/*
438 * Try direct syscalls instead
439 */
92a34c10 440#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
465c9f06 441_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
92a34c10 442#endif
814d7977 443#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
465c9f06 444_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
814d7977 445#endif
0c866a7e 446#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
ccfa72b7
TS		 447_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
448 uid_t,owner,gid_t,group,int,flags)
449#endif
9d33b76b
AJ		 450#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
451 defined(__NR_fstatat64)
6a24a778
AZ		 452_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
453 struct stat *,buf,int,flags)
454#endif
ac8a6556
AZ		 455#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
456_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
457 const struct timeval *,times)
458#endif
3b3f24ad
AJ		 459#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
460 defined(__NR_newfstatat)
461_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
462 struct stat *,buf,int,flags)
8fcd3692 463#endif
64f0ce4c
TS		 464#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
465_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
3b3f24ad 466 int,newdirfd,const char *,newpath,int,flags)
64f0ce4c 467#endif
4472ad0d
TS		 468#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
469_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
470#endif
75ac37a0
TS		 471#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
472_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
473 mode_t,mode,dev_t,dev)
474#endif
82424832
TS		 475#if defined(TARGET_NR_openat) && defined(__NR_openat)
476_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
477#endif
5e0ccb18
TS		 478#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
479_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
480 char *,buf,size_t,bufsize)
481#endif
722183f6
TS		 482#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
483_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
484 int,newdirfd,const char *,newpath)
485#endif
b51eaa82 486#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 487_syscall3(int,sys_symlinkat,const char *,oldpath,
488 int,newdirfd,const char *,newpath)
489#endif
8170f56b
TS		 490#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
491_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
492#endif
ebc996f3
RV		 493
494#endif /* CONFIG_ATFILE */
495
496#ifdef CONFIG_UTIMENSAT
497static int sys_utimensat(int dirfd, const char *pathname,
498 const struct timespec times[2], int flags)
499{
500 if (pathname == NULL)
501 return futimens(dirfd, times);
502 else
503 return utimensat(dirfd, pathname, times, flags);
504}
505#else
9007f0ef
TS		 506#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
507_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
508 const struct timespec *,tsp,int,flags)
509#endif
ebc996f3 510#endif /* CONFIG_UTIMENSAT */
3b3f24ad
AJ		 511
512#ifdef CONFIG_INOTIFY
8690e420 513#include <sys/inotify.h>
3b3f24ad 514
39b59763 515#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 516static int sys_inotify_init(void)
517{
518 return (inotify_init());
519}
39b59763
AJ		 520#endif
521#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 522static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
523{
524 return (inotify_add_watch(fd, pathname, mask));
525}
39b59763
AJ		 526#endif
527#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 528static int sys_inotify_rm_watch(int fd, int32_t wd)
529{
8690e420 530 return (inotify_rm_watch(fd, wd));
3b3f24ad 531}
bd0c5661 532#endif
c05c7a73
RV		 533#ifdef CONFIG_INOTIFY1
534#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
535static int sys_inotify_init1(int flags)
536{
537 return (inotify_init1(flags));
538}
539#endif
540#endif
3b3f24ad
AJ		 541#else
542/* Userspace can usually survive runtime without inotify */
543#undef TARGET_NR_inotify_init
c05c7a73 544#undef TARGET_NR_inotify_init1
3b3f24ad
AJ		 545#undef TARGET_NR_inotify_add_watch
546#undef TARGET_NR_inotify_rm_watch
547#endif /* CONFIG_INOTIFY */
548
d8035d4c
MF		 549#if defined(TARGET_NR_ppoll)
550#ifndef __NR_ppoll
551# define __NR_ppoll -1
552#endif
553#define __NR_sys_ppoll __NR_ppoll
554_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
555 struct timespec *, timeout, const __sigset_t *, sigmask,
556 size_t, sigsetsize)
557#endif
66fb9763 558
055e0906
MF		 559#if defined(TARGET_NR_pselect6)
560#ifndef __NR_pselect6
561# define __NR_pselect6 -1
562#endif
563#define __NR_sys_pselect6 __NR_pselect6
564_syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
565 fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
566#endif
567
163a05a8
PM		 568#if defined(TARGET_NR_prlimit64)
569#ifndef __NR_prlimit64
570# define __NR_prlimit64 -1
571#endif
572#define __NR_sys_prlimit64 __NR_prlimit64
573/* The glibc rlimit structure may not be that used by the underlying syscall */
574struct host_rlimit64 {
575 uint64_t rlim_cur;
576 uint64_t rlim_max;
577};
578_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
579 const struct host_rlimit64 *, new_limit,
580 struct host_rlimit64 *, old_limit)
581#endif
582
66fb9763 583extern int personality(int);
9de5e440
FB		 584extern int flock(int, int);
585extern int setfsuid(int);
586extern int setfsgid(int);
19b84f3c 587extern int setgroups(int, gid_t *);
31e31b8a 588
48e515d4
RV		 589/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
590#ifdef TARGET_ARM
591static inline int regpairs_aligned(void *cpu_env) {
592 return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
593}
594#elif defined(TARGET_MIPS)
595static inline int regpairs_aligned(void *cpu_env) { return 1; }
596#else
597static inline int regpairs_aligned(void *cpu_env) { return 0; }
598#endif
599
b92c47c1
TS		 600#define ERRNO_TABLE_SIZE 1200
601
602/* target_to_host_errno_table[] is initialized from
603 * host_to_target_errno_table[] in syscall_init(). */
604static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
605};
606
637947f1 607/*
fe8f096b 608 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 609 * minus the errnos that are not actually generic to all archs.
610 */
b92c47c1 611static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 612 [EIDRM] = TARGET_EIDRM,
613 [ECHRNG] = TARGET_ECHRNG,
614 [EL2NSYNC] = TARGET_EL2NSYNC,
615 [EL3HLT] = TARGET_EL3HLT,
616 [EL3RST] = TARGET_EL3RST,
617 [ELNRNG] = TARGET_ELNRNG,
618 [EUNATCH] = TARGET_EUNATCH,
619 [ENOCSI] = TARGET_ENOCSI,
620 [EL2HLT] = TARGET_EL2HLT,
621 [EDEADLK] = TARGET_EDEADLK,
622 [ENOLCK] = TARGET_ENOLCK,
623 [EBADE] = TARGET_EBADE,
624 [EBADR] = TARGET_EBADR,
625 [EXFULL] = TARGET_EXFULL,
626 [ENOANO] = TARGET_ENOANO,
627 [EBADRQC] = TARGET_EBADRQC,
628 [EBADSLT] = TARGET_EBADSLT,
629 [EBFONT] = TARGET_EBFONT,
630 [ENOSTR] = TARGET_ENOSTR,
631 [ENODATA] = TARGET_ENODATA,
632 [ETIME] = TARGET_ETIME,
633 [ENOSR] = TARGET_ENOSR,
634 [ENONET] = TARGET_ENONET,
635 [ENOPKG] = TARGET_ENOPKG,
636 [EREMOTE] = TARGET_EREMOTE,
637 [ENOLINK] = TARGET_ENOLINK,
638 [EADV] = TARGET_EADV,
639 [ESRMNT] = TARGET_ESRMNT,
640 [ECOMM] = TARGET_ECOMM,
641 [EPROTO] = TARGET_EPROTO,
642 [EDOTDOT] = TARGET_EDOTDOT,
643 [EMULTIHOP] = TARGET_EMULTIHOP,
644 [EBADMSG] = TARGET_EBADMSG,
645 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
646 [EOVERFLOW] = TARGET_EOVERFLOW,
647 [ENOTUNIQ] = TARGET_ENOTUNIQ,
648 [EBADFD] = TARGET_EBADFD,
649 [EREMCHG] = TARGET_EREMCHG,
650 [ELIBACC] = TARGET_ELIBACC,
651 [ELIBBAD] = TARGET_ELIBBAD,
652 [ELIBSCN] = TARGET_ELIBSCN,
653 [ELIBMAX] = TARGET_ELIBMAX,
654 [ELIBEXEC] = TARGET_ELIBEXEC,
655 [EILSEQ] = TARGET_EILSEQ,
656 [ENOSYS] = TARGET_ENOSYS,
657 [ELOOP] = TARGET_ELOOP,
658 [ERESTART] = TARGET_ERESTART,
659 [ESTRPIPE] = TARGET_ESTRPIPE,
660 [ENOTEMPTY] = TARGET_ENOTEMPTY,
661 [EUSERS] = TARGET_EUSERS,
662 [ENOTSOCK] = TARGET_ENOTSOCK,
663 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
664 [EMSGSIZE] = TARGET_EMSGSIZE,
665 [EPROTOTYPE] = TARGET_EPROTOTYPE,
666 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
667 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
668 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
669 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
670 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
671 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
672 [EADDRINUSE] = TARGET_EADDRINUSE,
673 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
674 [ENETDOWN] = TARGET_ENETDOWN,
675 [ENETUNREACH] = TARGET_ENETUNREACH,
676 [ENETRESET] = TARGET_ENETRESET,
677 [ECONNABORTED] = TARGET_ECONNABORTED,
678 [ECONNRESET] = TARGET_ECONNRESET,
679 [ENOBUFS] = TARGET_ENOBUFS,
680 [EISCONN] = TARGET_EISCONN,
681 [ENOTCONN] = TARGET_ENOTCONN,
682 [EUCLEAN] = TARGET_EUCLEAN,
683 [ENOTNAM] = TARGET_ENOTNAM,
684 [ENAVAIL] = TARGET_ENAVAIL,
685 [EISNAM] = TARGET_EISNAM,
686 [EREMOTEIO] = TARGET_EREMOTEIO,
687 [ESHUTDOWN] = TARGET_ESHUTDOWN,
688 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
689 [ETIMEDOUT] = TARGET_ETIMEDOUT,
690 [ECONNREFUSED] = TARGET_ECONNREFUSED,
691 [EHOSTDOWN] = TARGET_EHOSTDOWN,
692 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
693 [EALREADY] = TARGET_EALREADY,
694 [EINPROGRESS] = TARGET_EINPROGRESS,
695 [ESTALE] = TARGET_ESTALE,
696 [ECANCELED] = TARGET_ECANCELED,
697 [ENOMEDIUM] = TARGET_ENOMEDIUM,
698 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 699#ifdef ENOKEY
637947f1 700 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 701#endif
702#ifdef EKEYEXPIRED
637947f1 703 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 704#endif
705#ifdef EKEYREVOKED
637947f1 706 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 707#endif
708#ifdef EKEYREJECTED
637947f1 709 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 710#endif
711#ifdef EOWNERDEAD
637947f1 712 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 713#endif
714#ifdef ENOTRECOVERABLE
637947f1 715 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 716#endif
b92c47c1 717};
637947f1
TS		 718
719static inline int host_to_target_errno(int err)
720{
721 if(host_to_target_errno_table[err])
722 return host_to_target_errno_table[err];
723 return err;
724}
725
b92c47c1
TS		 726static inline int target_to_host_errno(int err)
727{
728 if (target_to_host_errno_table[err])
729 return target_to_host_errno_table[err];
730 return err;
731}
732
992f48a0 733static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 734{
735 if (ret == -1)
637947f1 736 return -host_to_target_errno(errno);
31e31b8a
FB		 737 else
738 return ret;
739}
740
992f48a0 741static inline int is_error(abi_long ret)
31e31b8a 742{
992f48a0 743 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 744}
745
b92c47c1
TS		 746char *target_strerror(int err)
747{
962b289e
AG		 748 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
749 return NULL;
750 }
b92c47c1
TS		 751 return strerror(target_to_host_errno(err));
752}
753
992f48a0
BS		 754static abi_ulong target_brk;
755static abi_ulong target_original_brk;
4d1de87c 756static abi_ulong brk_page;
31e31b8a 757
992f48a0 758void target_set_brk(abi_ulong new_brk)
31e31b8a 759{
4c1de73d 760 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
4d1de87c 761 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 762}
763
4d1de87c 764//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
765#define DEBUGF_BRK(message, args...)
766
0da46a6e 767/* do_brk() must return target values and target errnos. */
992f48a0 768abi_long do_brk(abi_ulong new_brk)
31e31b8a 769{
992f48a0 770 abi_long mapped_addr;
31e31b8a
FB		 771 int new_alloc_size;
772
3a0c6c4a 773 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
4d1de87c 774
775 if (!new_brk) {
3a0c6c4a 776 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
53a5960a 777 return target_brk;
4d1de87c 778 }
779 if (new_brk < target_original_brk) {
3a0c6c4a
PB		 780 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
781 target_brk);
7ab240ad 782 return target_brk;
4d1de87c 783 }
3b46e624 784
4d1de87c 785 /* If the new brk is less than the highest page reserved to the
786 * target heap allocation, set it and we're almost done... */
787 if (new_brk <= brk_page) {
788 /* Heap contents are initialized to zero, as for anonymous
789 * mapped pages. */
790 if (new_brk > target_brk) {
791 memset(g2h(target_brk), 0, new_brk - target_brk);
792 }
31e31b8a 793 target_brk = new_brk;
3a0c6c4a 794 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
53a5960a 795 return target_brk;
31e31b8a
FB		 796 }
797
00faf08c
PM		 798 /* We need to allocate more memory after the brk... Note that
799 * we don't use MAP_FIXED because that will map over the top of
800 * any existing mapping (like the one with the host libc or qemu
801 * itself); instead we treat "mapped but at wrong address" as
802 * a failure and unmap again.
803 */
4d1de87c 804 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
5fafdf24 805 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004 806 PROT_READ|PROT_WRITE,
00faf08c
PM		 807 MAP_ANON|MAP_PRIVATE, 0, 0));
808
809 if (mapped_addr == brk_page) {
70afc343
CV		 810 /* Heap contents are initialized to zero, as for anonymous
811 * mapped pages. Technically the new pages are already
812 * initialized to zero since they *are* anonymous mapped
813 * pages, however we have to take care with the contents that
814 * come from the remaining part of the previous page: it may
815 * contains garbage data due to a previous heap usage (grown
816 * then shrunken). */
817 memset(g2h(target_brk), 0, brk_page - target_brk);
818
00faf08c 819 target_brk = new_brk;
4d1de87c 820 brk_page = HOST_PAGE_ALIGN(target_brk);
3a0c6c4a
PB		 821 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
822 target_brk);
00faf08c
PM		 823 return target_brk;
824 } else if (mapped_addr != -1) {
825 /* Mapped but at wrong address, meaning there wasn't actually
826 * enough space for this brk.
827 */
828 target_munmap(mapped_addr, new_alloc_size);
829 mapped_addr = -1;
3a0c6c4a 830 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
4d1de87c 831 }
832 else {
3a0c6c4a 833 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
00faf08c 834 }
7ab240ad 835
7dd46c02
RH		 836#if defined(TARGET_ALPHA)
837 /* We (partially) emulate OSF/1 on Alpha, which requires we
838 return a proper errno, not an unchanged brk value. */
00faf08c 839 return -TARGET_ENOMEM;
7dd46c02 840#endif
00faf08c 841 /* For everything else, return the previous break. */
7ab240ad 842 return target_brk;
31e31b8a
FB		 843}
844
26edcf41
TS		 845static inline abi_long copy_from_user_fdset(fd_set *fds,
846 abi_ulong target_fds_addr,
847 int n)
31e31b8a 848{
26edcf41
TS		 849 int i, nw, j, k;
850 abi_ulong b, *target_fds;
851
852 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
853 if (!(target_fds = lock_user(VERIFY_READ,
854 target_fds_addr,
855 sizeof(abi_ulong) * nw,
856 1)))
857 return -TARGET_EFAULT;
858
859 FD_ZERO(fds);
860 k = 0;
861 for (i = 0; i < nw; i++) {
862 /* grab the abi_ulong */
863 __get_user(b, &target_fds[i]);
864 for (j = 0; j < TARGET_ABI_BITS; j++) {
865 /* check the bit inside the abi_ulong */
866 if ((b >> j) & 1)
867 FD_SET(k, fds);
868 k++;
31e31b8a 869 }
31e31b8a 870 }
26edcf41
TS		 871
872 unlock_user(target_fds, target_fds_addr, 0);
873
874 return 0;
31e31b8a
FB		 875}
876
055e0906
MF		 877static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
878 abi_ulong target_fds_addr,
879 int n)
880{
881 if (target_fds_addr) {
882 if (copy_from_user_fdset(fds, target_fds_addr, n))
883 return -TARGET_EFAULT;
884 *fds_ptr = fds;
885 } else {
886 *fds_ptr = NULL;
887 }
888 return 0;
889}
890
26edcf41
TS		 891static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
892 const fd_set *fds,
893 int n)
31e31b8a 894{
31e31b8a 895 int i, nw, j, k;
992f48a0 896 abi_long v;
26edcf41 897 abi_ulong *target_fds;
31e31b8a 898
26edcf41
TS		 899 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
900 if (!(target_fds = lock_user(VERIFY_WRITE,
901 target_fds_addr,
902 sizeof(abi_ulong) * nw,
903 0)))
904 return -TARGET_EFAULT;
905
906 k = 0;
907 for (i = 0; i < nw; i++) {
908 v = 0;
909 for (j = 0; j < TARGET_ABI_BITS; j++) {
910 v |= ((FD_ISSET(k, fds) != 0) << j);
911 k++;
31e31b8a 912 }
26edcf41 913 __put_user(v, &target_fds[i]);
31e31b8a 914 }
26edcf41
TS		 915
916 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
917
918 return 0;
31e31b8a
FB		 919}
920
c596ed17
FB		 921#if defined(__alpha__)
922#define HOST_HZ 1024
923#else
924#define HOST_HZ 100
925#endif
926
992f48a0 927static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 928{
929#if HOST_HZ == TARGET_HZ
930 return ticks;
931#else
932 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
933#endif
934}
935
579a97f7
FB		 936static inline abi_long host_to_target_rusage(abi_ulong target_addr,
937 const struct rusage *rusage)
b409186b 938{
53a5960a
PB		 939 struct target_rusage *target_rusage;
940
579a97f7
FB		 941 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
942 return -TARGET_EFAULT;
cbb21eed
MB		 943 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
944 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
945 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
946 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
947 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
948 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
949 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
950 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
951 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
952 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
953 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
954 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
955 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
956 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
957 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
958 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
959 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
960 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
53a5960a 961 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 962
963 return 0;
b409186b
FB		 964}
965
cbb21eed 966static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
81bbe906 967{
cbb21eed 968 abi_ulong target_rlim_swap;
95b33b2f
WT		 969 rlim_t result;
970
cbb21eed
MB		 971 target_rlim_swap = tswapal(target_rlim);
972 if (target_rlim_swap == TARGET_RLIM_INFINITY)
973 return RLIM_INFINITY;
974
975 result = target_rlim_swap;
976 if (target_rlim_swap != (rlim_t)result)
977 return RLIM_INFINITY;
95b33b2f
WT		 978
979 return result;
81bbe906 980}
981
cbb21eed 982static inline abi_ulong host_to_target_rlim(rlim_t rlim)
81bbe906 983{
cbb21eed
MB		 984 abi_ulong target_rlim_swap;
985 abi_ulong result;
95b33b2f 986
cbb21eed 987 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
95b33b2f 988 target_rlim_swap = TARGET_RLIM_INFINITY;
81bbe906 989 else
95b33b2f 990 target_rlim_swap = rlim;
cbb21eed 991 result = tswapal(target_rlim_swap);
95b33b2f
WT		 992
993 return result;
81bbe906 994}
995
e22b7015
WT		 996static inline int target_to_host_resource(int code)
997{
998 switch (code) {
999 case TARGET_RLIMIT_AS:
1000 return RLIMIT_AS;
1001 case TARGET_RLIMIT_CORE:
1002 return RLIMIT_CORE;
1003 case TARGET_RLIMIT_CPU:
1004 return RLIMIT_CPU;
1005 case TARGET_RLIMIT_DATA:
1006 return RLIMIT_DATA;
1007 case TARGET_RLIMIT_FSIZE:
1008 return RLIMIT_FSIZE;
1009 case TARGET_RLIMIT_LOCKS:
1010 return RLIMIT_LOCKS;
1011 case TARGET_RLIMIT_MEMLOCK:
1012 return RLIMIT_MEMLOCK;
1013 case TARGET_RLIMIT_MSGQUEUE:
1014 return RLIMIT_MSGQUEUE;
1015 case TARGET_RLIMIT_NICE:
1016 return RLIMIT_NICE;
1017 case TARGET_RLIMIT_NOFILE:
1018 return RLIMIT_NOFILE;
1019 case TARGET_RLIMIT_NPROC:
1020 return RLIMIT_NPROC;
1021 case TARGET_RLIMIT_RSS:
1022 return RLIMIT_RSS;
1023 case TARGET_RLIMIT_RTPRIO:
1024 return RLIMIT_RTPRIO;
1025 case TARGET_RLIMIT_SIGPENDING:
1026 return RLIMIT_SIGPENDING;
1027 case TARGET_RLIMIT_STACK:
1028 return RLIMIT_STACK;
1029 default:
1030 return code;
1031 }
1032}
1033
788f5ec4
TS		 1034static inline abi_long copy_from_user_timeval(struct timeval *tv,
1035 abi_ulong target_tv_addr)
31e31b8a 1036{
53a5960a
PB		 1037 struct target_timeval *target_tv;
1038
788f5ec4 1039 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 1040 return -TARGET_EFAULT;
788f5ec4
TS		 1041
1042 __get_user(tv->tv_sec, &target_tv->tv_sec);
1043 __get_user(tv->tv_usec, &target_tv->tv_usec);
1044
1045 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 1046
1047 return 0;
31e31b8a
FB		 1048}
1049
788f5ec4
TS		 1050static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1051 const struct timeval *tv)
31e31b8a 1052{
53a5960a
PB		 1053 struct target_timeval *target_tv;
1054
788f5ec4 1055 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 1056 return -TARGET_EFAULT;
788f5ec4
TS		 1057
1058 __put_user(tv->tv_sec, &target_tv->tv_sec);
1059 __put_user(tv->tv_usec, &target_tv->tv_usec);
1060
1061 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 1062
1063 return 0;
31e31b8a
FB		 1064}
1065
8ec9cf89
NF		 1066#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1067#include <mqueue.h>
1068
24e1003a
AJ		 1069static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1070 abi_ulong target_mq_attr_addr)
1071{
1072 struct target_mq_attr *target_mq_attr;
1073
1074 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1075 target_mq_attr_addr, 1))
1076 return -TARGET_EFAULT;
1077
1078 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1079 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1080 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1081 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1082
1083 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1084
1085 return 0;
1086}
1087
1088static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1089 const struct mq_attr *attr)
1090{
1091 struct target_mq_attr *target_mq_attr;
1092
1093 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1094 target_mq_attr_addr, 0))
1095 return -TARGET_EFAULT;
1096
1097 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1098 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1099 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1100 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1101
1102 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1103
1104 return 0;
1105}
8ec9cf89 1106#endif
31e31b8a 1107
055e0906 1108#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
0da46a6e 1109/* do_select() must return target values and target errnos. */
992f48a0 1110static abi_long do_select(int n,
26edcf41
TS		 1111 abi_ulong rfd_addr, abi_ulong wfd_addr,
1112 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 1113{
1114 fd_set rfds, wfds, efds;
1115 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1116 struct timeval tv, *tv_ptr;
992f48a0 1117 abi_long ret;
31e31b8a 1118
055e0906
MF		 1119 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1120 if (ret) {
1121 return ret;
53a5960a 1122 }
055e0906
MF		 1123 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1124 if (ret) {
1125 return ret;
53a5960a 1126 }
055e0906
MF		 1127 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1128 if (ret) {
1129 return ret;
53a5960a 1130 }
3b46e624 1131
26edcf41 1132 if (target_tv_addr) {
788f5ec4
TS		 1133 if (copy_from_user_timeval(&tv, target_tv_addr))
1134 return -TARGET_EFAULT;
31e31b8a
FB		 1135 tv_ptr = &tv;
1136 } else {
1137 tv_ptr = NULL;
1138 }
26edcf41 1139
31e31b8a 1140 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 1141
26edcf41
TS		 1142 if (!is_error(ret)) {
1143 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1144 return -TARGET_EFAULT;
1145 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1146 return -TARGET_EFAULT;
1147 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1148 return -TARGET_EFAULT;
31e31b8a 1149
788f5ec4
TS		 1150 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
1151 return -TARGET_EFAULT;
31e31b8a 1152 }
579a97f7 1153
31e31b8a
FB		 1154 return ret;
1155}
055e0906 1156#endif
31e31b8a 1157
099d6b0f
RV		 1158static abi_long do_pipe2(int host_pipe[], int flags)
1159{
1160#ifdef CONFIG_PIPE2
1161 return pipe2(host_pipe, flags);
1162#else
1163 return -ENOSYS;
1164#endif
1165}
1166
fb41a66e
RH		 1167static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1168 int flags, int is_pipe2)
099d6b0f
RV		 1169{
1170 int host_pipe[2];
1171 abi_long ret;
1172 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1173
1174 if (is_error(ret))
1175 return get_errno(ret);
fb41a66e
RH		 1176
1177 /* Several targets have special calling conventions for the original
1178 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1179 if (!is_pipe2) {
1180#if defined(TARGET_ALPHA)
1181 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1182 return host_pipe[0];
1183#elif defined(TARGET_MIPS)
1184 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1185 return host_pipe[0];
1186#elif defined(TARGET_SH4)
597c0212 1187 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
fb41a66e 1188 return host_pipe[0];
597c0212 1189#endif
fb41a66e
RH		 1190 }
1191
099d6b0f
RV		 1192 if (put_user_s32(host_pipe[0], pipedes)
1193 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1194 return -TARGET_EFAULT;
099d6b0f
RV		 1195 return get_errno(ret);
1196}
1197
b975b83b
LL		 1198static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1199 abi_ulong target_addr,
1200 socklen_t len)
1201{
1202 struct target_ip_mreqn *target_smreqn;
1203
1204 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1205 if (!target_smreqn)
1206 return -TARGET_EFAULT;
1207 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1208 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1209 if (len == sizeof(struct target_ip_mreqn))
cbb21eed 1210 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
b975b83b
LL		 1211 unlock_user(target_smreqn, target_addr, 0);
1212
1213 return 0;
1214}
1215
579a97f7
FB		 1216static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1217 abi_ulong target_addr,
1218 socklen_t len)
7854b056 1219{
607175e0
AJ		 1220 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1221 sa_family_t sa_family;
53a5960a
PB		 1222 struct target_sockaddr *target_saddr;
1223
579a97f7
FB		 1224 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1225 if (!target_saddr)
1226 return -TARGET_EFAULT;
607175e0
AJ		 1227
1228 sa_family = tswap16(target_saddr->sa_family);
1229
1230 /* Oops. The caller might send a incomplete sun_path; sun_path
1231 * must be terminated by \0 (see the manual page), but
1232 * unfortunately it is quite common to specify sockaddr_un
1233 * length as "strlen(x->sun_path)" while it should be
1234 * "strlen(...) + 1". We'll fix that here if needed.
1235 * Linux kernel has a similar feature.
1236 */
1237
1238 if (sa_family == AF_UNIX) {
1239 if (len < unix_maxlen && len > 0) {
1240 char *cp = (char*)target_saddr;
1241
1242 if ( cp[len-1] && !cp[len] )
1243 len++;
1244 }
1245 if (len > unix_maxlen)
1246 len = unix_maxlen;
1247 }
1248
53a5960a 1249 memcpy(addr, target_saddr, len);
607175e0 1250 addr->sa_family = sa_family;
53a5960a 1251 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1252
1253 return 0;
7854b056
FB		 1254}
1255
579a97f7
FB		 1256static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1257 struct sockaddr *addr,
1258 socklen_t len)
7854b056 1259{
53a5960a
PB		 1260 struct target_sockaddr *target_saddr;
1261
579a97f7
FB		 1262 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1263 if (!target_saddr)
1264 return -TARGET_EFAULT;
53a5960a
PB		 1265 memcpy(target_saddr, addr, len);
1266 target_saddr->sa_family = tswap16(addr->sa_family);
1267 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1268
1269 return 0;
7854b056
FB		 1270}
1271
5a4a898d
FB		 1272static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1273 struct target_msghdr *target_msgh)
7854b056
FB		 1274{
1275 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1276 abi_long msg_controllen;
1277 abi_ulong target_cmsg_addr;
1278 struct target_cmsghdr *target_cmsg;
7854b056 1279 socklen_t space = 0;
5a4a898d 1280
cbb21eed 1281 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1282 if (msg_controllen < sizeof (struct target_cmsghdr))
1283 goto the_end;
cbb21eed 1284 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1285 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1286 if (!target_cmsg)
1287 return -TARGET_EFAULT;
7854b056
FB		 1288
1289 while (cmsg && target_cmsg) {
1290 void *data = CMSG_DATA(cmsg);
1291 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1292
cbb21eed 1293 int len = tswapal(target_cmsg->cmsg_len)
7854b056
FB		 1294 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1295
1296 space += CMSG_SPACE(len);
1297 if (space > msgh->msg_controllen) {
1298 space -= CMSG_SPACE(len);
31febb71 1299 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1300 break;
1301 }
1302
1303 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1304 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1305 cmsg->cmsg_len = CMSG_LEN(len);
1306
3532fa74 1307 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1308 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1309 memcpy(data, target_data, len);
1310 } else {
1311 int *fd = (int *)data;
1312 int *target_fd = (int *)target_data;
1313 int i, numfds = len / sizeof(int);
1314
1315 for (i = 0; i < numfds; i++)
1316 fd[i] = tswap32(target_fd[i]);
1317 }
1318
1319 cmsg = CMSG_NXTHDR(msgh, cmsg);
1320 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1321 }
5a4a898d
FB		 1322 unlock_user(target_cmsg, target_cmsg_addr, 0);
1323 the_end:
7854b056 1324 msgh->msg_controllen = space;
5a4a898d 1325 return 0;
7854b056
FB		 1326}
1327
5a4a898d
FB		 1328static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1329 struct msghdr *msgh)
7854b056
FB		 1330{
1331 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1332 abi_long msg_controllen;
1333 abi_ulong target_cmsg_addr;
1334 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1335 socklen_t space = 0;
1336
cbb21eed 1337 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1338 if (msg_controllen < sizeof (struct target_cmsghdr))
1339 goto the_end;
cbb21eed 1340 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1341 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1342 if (!target_cmsg)
1343 return -TARGET_EFAULT;
1344
7854b056
FB		 1345 while (cmsg && target_cmsg) {
1346 void *data = CMSG_DATA(cmsg);
1347 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1348
1349 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1350
1351 space += TARGET_CMSG_SPACE(len);
5a4a898d 1352 if (space > msg_controllen) {
7854b056 1353 space -= TARGET_CMSG_SPACE(len);
31febb71 1354 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1355 break;
1356 }
1357
1358 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1359 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
cbb21eed 1360 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
7854b056 1361
aebf5bc7
JH		 1362 if ((cmsg->cmsg_level == TARGET_SOL_SOCKET) &&
1363 (cmsg->cmsg_type == SCM_RIGHTS)) {
7854b056
FB		 1364 int *fd = (int *)data;
1365 int *target_fd = (int *)target_data;
1366 int i, numfds = len / sizeof(int);
1367
1368 for (i = 0; i < numfds; i++)
1369 target_fd[i] = tswap32(fd[i]);
aebf5bc7
JH		 1370 } else if ((cmsg->cmsg_level == TARGET_SOL_SOCKET) &&
1371 (cmsg->cmsg_type == SO_TIMESTAMP) &&
1372 (len == sizeof(struct timeval))) {
1373 /* copy struct timeval to target */
1374 struct timeval *tv = (struct timeval *)data;
1375 struct target_timeval *target_tv =
1376 (struct target_timeval *)target_data;
1377
1378 target_tv->tv_sec = tswapal(tv->tv_sec);
1379 target_tv->tv_usec = tswapal(tv->tv_usec);
1380 } else {
1381 gemu_log("Unsupported ancillary data: %d/%d\n",
1382 cmsg->cmsg_level, cmsg->cmsg_type);
1383 memcpy(target_data, data, len);
7854b056
FB		 1384 }
1385
1386 cmsg = CMSG_NXTHDR(msgh, cmsg);
1387 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1388 }
5a4a898d
FB		 1389 unlock_user(target_cmsg, target_cmsg_addr, space);
1390 the_end:
cbb21eed 1391 target_msgh->msg_controllen = tswapal(space);
5a4a898d 1392 return 0;
7854b056
FB		 1393}
1394
0da46a6e 1395/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1396static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1397 abi_ulong optval_addr, socklen_t optlen)
7854b056 1398{
992f48a0 1399 abi_long ret;
32407103 1400 int val;
b975b83b 1401 struct ip_mreqn *ip_mreq;
6e3cb58f 1402 struct ip_mreq_source *ip_mreq_source;
3b46e624 1403
8853f86e
FB		 1404 switch(level) {
1405 case SOL_TCP:
7854b056 1406 /* TCP options all take an 'int' value. */
7854b056 1407 if (optlen < sizeof(uint32_t))
0da46a6e 1408 return -TARGET_EINVAL;
3b46e624 1409
2f619698
FB		 1410 if (get_user_u32(val, optval_addr))
1411 return -TARGET_EFAULT;
8853f86e
FB		 1412 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1413 break;
1414 case SOL_IP:
1415 switch(optname) {
2efbe911
FB		 1416 case IP_TOS:
1417 case IP_TTL:
8853f86e 1418 case IP_HDRINCL:
2efbe911
FB		 1419 case IP_ROUTER_ALERT:
1420 case IP_RECVOPTS:
1421 case IP_RETOPTS:
1422 case IP_PKTINFO:
1423 case IP_MTU_DISCOVER:
1424 case IP_RECVERR:
1425 case IP_RECVTOS:
1426#ifdef IP_FREEBIND
1427 case IP_FREEBIND:
1428#endif
1429 case IP_MULTICAST_TTL:
1430 case IP_MULTICAST_LOOP:
8853f86e
FB		 1431 val = 0;
1432 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1433 if (get_user_u32(val, optval_addr))
1434 return -TARGET_EFAULT;
8853f86e 1435 } else if (optlen >= 1) {
2f619698
FB		 1436 if (get_user_u8(val, optval_addr))
1437 return -TARGET_EFAULT;
8853f86e
FB		 1438 }
1439 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1440 break;
b975b83b
LL		 1441 case IP_ADD_MEMBERSHIP:
1442 case IP_DROP_MEMBERSHIP:
1443 if (optlen < sizeof (struct target_ip_mreq) ||
1444 optlen > sizeof (struct target_ip_mreqn))
1445 return -TARGET_EINVAL;
1446
1447 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1448 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1449 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1450 break;
1451
6e3cb58f
LL		 1452 case IP_BLOCK_SOURCE:
1453 case IP_UNBLOCK_SOURCE:
1454 case IP_ADD_SOURCE_MEMBERSHIP:
1455 case IP_DROP_SOURCE_MEMBERSHIP:
1456 if (optlen != sizeof (struct target_ip_mreq_source))
1457 return -TARGET_EINVAL;
1458
1459 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1460 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1461 unlock_user (ip_mreq_source, optval_addr, 0);
1462 break;
1463
920394db
JH		 1464 default:
1465 goto unimplemented;
1466 }
1467 break;
1468 case SOL_RAW:
1469 switch (optname) {
1470 case ICMP_FILTER:
1471 /* struct icmp_filter takes an u32 value */
1472 if (optlen < sizeof(uint32_t)) {
1473 return -TARGET_EINVAL;
1474 }
1475
1476 if (get_user_u32(val, optval_addr)) {
1477 return -TARGET_EFAULT;
1478 }
1479 ret = get_errno(setsockopt(sockfd, level, optname,
1480 &val, sizeof(val)));
1481 break;
1482
8853f86e
FB		 1483 default:
1484 goto unimplemented;
1485 }
1486 break;
3532fa74 1487 case TARGET_SOL_SOCKET:
8853f86e
FB		 1488 switch (optname) {
1489 /* Options with 'int' argument. */
3532fa74
FB		 1490 case TARGET_SO_DEBUG:
1491 optname = SO_DEBUG;
1492 break;
1493 case TARGET_SO_REUSEADDR:
1494 optname = SO_REUSEADDR;
1495 break;
1496 case TARGET_SO_TYPE:
1497 optname = SO_TYPE;
1498 break;
1499 case TARGET_SO_ERROR:
1500 optname = SO_ERROR;
1501 break;
1502 case TARGET_SO_DONTROUTE:
1503 optname = SO_DONTROUTE;
1504 break;
1505 case TARGET_SO_BROADCAST:
1506 optname = SO_BROADCAST;
1507 break;
1508 case TARGET_SO_SNDBUF:
1509 optname = SO_SNDBUF;
1510 break;
1511 case TARGET_SO_RCVBUF:
1512 optname = SO_RCVBUF;
1513 break;
1514 case TARGET_SO_KEEPALIVE:
1515 optname = SO_KEEPALIVE;
1516 break;
1517 case TARGET_SO_OOBINLINE:
1518 optname = SO_OOBINLINE;
1519 break;
1520 case TARGET_SO_NO_CHECK:
1521 optname = SO_NO_CHECK;
1522 break;
1523 case TARGET_SO_PRIORITY:
1524 optname = SO_PRIORITY;
1525 break;
5e83e8e3 1526#ifdef SO_BSDCOMPAT
3532fa74
FB		 1527 case TARGET_SO_BSDCOMPAT:
1528 optname = SO_BSDCOMPAT;
1529 break;
5e83e8e3 1530#endif
3532fa74
FB		 1531 case TARGET_SO_PASSCRED:
1532 optname = SO_PASSCRED;
1533 break;
1534 case TARGET_SO_TIMESTAMP:
1535 optname = SO_TIMESTAMP;
1536 break;
1537 case TARGET_SO_RCVLOWAT:
1538 optname = SO_RCVLOWAT;
1539 break;
1540 case TARGET_SO_RCVTIMEO:
1541 optname = SO_RCVTIMEO;
1542 break;
1543 case TARGET_SO_SNDTIMEO:
1544 optname = SO_SNDTIMEO;
1545 break;
8853f86e
FB		 1546 break;
1547 default:
1548 goto unimplemented;
1549 }
3532fa74 1550 if (optlen < sizeof(uint32_t))
2f619698 1551 return -TARGET_EINVAL;
3532fa74 1552
2f619698
FB		 1553 if (get_user_u32(val, optval_addr))
1554 return -TARGET_EFAULT;
3532fa74 1555 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1556 break;
7854b056 1557 default:
8853f86e 1558 unimplemented:
b2bedb21 1559 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
6fa13c17 1560 ret = -TARGET_ENOPROTOOPT;
7854b056 1561 }
8853f86e 1562 return ret;
7854b056
FB		 1563}
1564
0da46a6e 1565/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1566static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1567 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1568{
992f48a0 1569 abi_long ret;
b55266b5
BS		 1570 int len, val;
1571 socklen_t lv;
8853f86e
FB		 1572
1573 switch(level) {
3532fa74 1574 case TARGET_SOL_SOCKET:
f3b974cd
JL		 1575 level = SOL_SOCKET;
1576 switch (optname) {
1577 /* These don't just return a single integer */
1578 case TARGET_SO_LINGER:
1579 case TARGET_SO_RCVTIMEO:
1580 case TARGET_SO_SNDTIMEO:
f3b974cd
JL		 1581 case TARGET_SO_PEERNAME:
1582 goto unimplemented;
583359a6
AP		 1583 case TARGET_SO_PEERCRED: {
1584 struct ucred cr;
1585 socklen_t crlen;
1586 struct target_ucred *tcr;
1587
1588 if (get_user_u32(len, optlen)) {
1589 return -TARGET_EFAULT;
1590 }
1591 if (len < 0) {
1592 return -TARGET_EINVAL;
1593 }
1594
1595 crlen = sizeof(cr);
1596 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
1597 &cr, &crlen));
1598 if (ret < 0) {
1599 return ret;
1600 }
1601 if (len > crlen) {
1602 len = crlen;
1603 }
1604 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
1605 return -TARGET_EFAULT;
1606 }
1607 __put_user(cr.pid, &tcr->pid);
1608 __put_user(cr.uid, &tcr->uid);
1609 __put_user(cr.gid, &tcr->gid);
1610 unlock_user_struct(tcr, optval_addr, 1);
1611 if (put_user_u32(len, optlen)) {
1612 return -TARGET_EFAULT;
1613 }
1614 break;
1615 }
f3b974cd
JL		 1616 /* Options with 'int' argument. */
1617 case TARGET_SO_DEBUG:
1618 optname = SO_DEBUG;
1619 goto int_case;
1620 case TARGET_SO_REUSEADDR:
1621 optname = SO_REUSEADDR;
1622 goto int_case;
1623 case TARGET_SO_TYPE:
1624 optname = SO_TYPE;
1625 goto int_case;
1626 case TARGET_SO_ERROR:
1627 optname = SO_ERROR;
1628 goto int_case;
1629 case TARGET_SO_DONTROUTE:
1630 optname = SO_DONTROUTE;
1631 goto int_case;
1632 case TARGET_SO_BROADCAST:
1633 optname = SO_BROADCAST;
1634 goto int_case;
1635 case TARGET_SO_SNDBUF:
1636 optname = SO_SNDBUF;
1637 goto int_case;
1638 case TARGET_SO_RCVBUF:
1639 optname = SO_RCVBUF;
1640 goto int_case;
1641 case TARGET_SO_KEEPALIVE:
1642 optname = SO_KEEPALIVE;
1643 goto int_case;
1644 case TARGET_SO_OOBINLINE:
1645 optname = SO_OOBINLINE;
1646 goto int_case;
1647 case TARGET_SO_NO_CHECK:
1648 optname = SO_NO_CHECK;
1649 goto int_case;
1650 case TARGET_SO_PRIORITY:
1651 optname = SO_PRIORITY;
1652 goto int_case;
1653#ifdef SO_BSDCOMPAT
1654 case TARGET_SO_BSDCOMPAT:
1655 optname = SO_BSDCOMPAT;
1656 goto int_case;
1657#endif
1658 case TARGET_SO_PASSCRED:
1659 optname = SO_PASSCRED;
1660 goto int_case;
1661 case TARGET_SO_TIMESTAMP:
1662 optname = SO_TIMESTAMP;
1663 goto int_case;
1664 case TARGET_SO_RCVLOWAT:
1665 optname = SO_RCVLOWAT;
1666 goto int_case;
8853f86e 1667 default:
2efbe911
FB		 1668 goto int_case;
1669 }
1670 break;
1671 case SOL_TCP:
1672 /* TCP options all take an 'int' value. */
1673 int_case:
2f619698
FB		 1674 if (get_user_u32(len, optlen))
1675 return -TARGET_EFAULT;
2efbe911 1676 if (len < 0)
0da46a6e 1677 return -TARGET_EINVAL;
73160d95 1678 lv = sizeof(lv);
2efbe911
FB		 1679 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1680 if (ret < 0)
1681 return ret;
2efbe911
FB		 1682 if (len > lv)
1683 len = lv;
2f619698
FB		 1684 if (len == 4) {
1685 if (put_user_u32(val, optval_addr))
1686 return -TARGET_EFAULT;
1687 } else {
1688 if (put_user_u8(val, optval_addr))
1689 return -TARGET_EFAULT;
f3b974cd 1690 }
2f619698
FB		 1691 if (put_user_u32(len, optlen))
1692 return -TARGET_EFAULT;
2efbe911
FB		 1693 break;
1694 case SOL_IP:
1695 switch(optname) {
1696 case IP_TOS:
1697 case IP_TTL:
1698 case IP_HDRINCL:
1699 case IP_ROUTER_ALERT:
1700 case IP_RECVOPTS:
1701 case IP_RETOPTS:
1702 case IP_PKTINFO:
1703 case IP_MTU_DISCOVER:
1704 case IP_RECVERR:
1705 case IP_RECVTOS:
1706#ifdef IP_FREEBIND
1707 case IP_FREEBIND:
1708#endif
1709 case IP_MULTICAST_TTL:
1710 case IP_MULTICAST_LOOP:
2f619698
FB		 1711 if (get_user_u32(len, optlen))
1712 return -TARGET_EFAULT;
8853f86e 1713 if (len < 0)
0da46a6e 1714 return -TARGET_EINVAL;
73160d95 1715 lv = sizeof(lv);
8853f86e
FB		 1716 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1717 if (ret < 0)
1718 return ret;
2efbe911 1719 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1720 len = 1;
2f619698
FB		 1721 if (put_user_u32(len, optlen)
1722 || put_user_u8(val, optval_addr))
1723 return -TARGET_EFAULT;
2efbe911 1724 } else {
2efbe911
FB		 1725 if (len > sizeof(int))
1726 len = sizeof(int);
2f619698
FB		 1727 if (put_user_u32(len, optlen)
1728 || put_user_u32(val, optval_addr))
1729 return -TARGET_EFAULT;
2efbe911 1730 }
8853f86e 1731 break;
2efbe911 1732 default:
c02f499e
TS		 1733 ret = -TARGET_ENOPROTOOPT;
1734 break;
8853f86e
FB		 1735 }
1736 break;
1737 default:
1738 unimplemented:
1739 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1740 level, optname);
c02f499e 1741 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1742 break;
1743 }
1744 return ret;
7854b056
FB		 1745}
1746
579a97f7
FB		 1747/* FIXME
1748 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1749 * other lock functions have a return code of 0 for failure.
1750 */
1751static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1752 int count, int copy)
53a5960a
PB		 1753{
1754 struct target_iovec *target_vec;
992f48a0 1755 abi_ulong base;
d732dcb4 1756 int i;
53a5960a 1757
579a97f7
FB		 1758 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1759 if (!target_vec)
1760 return -TARGET_EFAULT;
53a5960a 1761 for(i = 0;i < count; i++) {
cbb21eed
MB		 1762 base = tswapal(target_vec[i].iov_base);
1763 vec[i].iov_len = tswapal(target_vec[i].iov_len);
41df8411
FB		 1764 if (vec[i].iov_len != 0) {
1765 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1766 /* Don't check lock_user return value. We must call writev even
1767 if a element has invalid base address. */
41df8411
FB		 1768 } else {
1769 /* zero length pointer is ignored */
1770 vec[i].iov_base = NULL;
1771 }
579a97f7
FB		 1772 }
1773 unlock_user (target_vec, target_addr, 0);
1774 return 0;
53a5960a
PB		 1775}
1776
579a97f7
FB		 1777static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1778 int count, int copy)
53a5960a
PB		 1779{
1780 struct target_iovec *target_vec;
992f48a0 1781 abi_ulong base;
53a5960a
PB		 1782 int i;
1783
579a97f7
FB		 1784 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1785 if (!target_vec)
1786 return -TARGET_EFAULT;
53a5960a 1787 for(i = 0;i < count; i++) {
d732dcb4 1788 if (target_vec[i].iov_base) {
cbb21eed 1789 base = tswapal(target_vec[i].iov_base);
d732dcb4
AZ		 1790 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1791 }
53a5960a
PB		 1792 }
1793 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1794
1795 return 0;
53a5960a
PB		 1796}
1797
0da46a6e 1798/* do_socket() Must return target values and target errnos. */
992f48a0 1799static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1800{
1801#if defined(TARGET_MIPS)
1802 switch(type) {
1803 case TARGET_SOCK_DGRAM:
1804 type = SOCK_DGRAM;
1805 break;
1806 case TARGET_SOCK_STREAM:
1807 type = SOCK_STREAM;
1808 break;
1809 case TARGET_SOCK_RAW:
1810 type = SOCK_RAW;
1811 break;
1812 case TARGET_SOCK_RDM:
1813 type = SOCK_RDM;
1814 break;
1815 case TARGET_SOCK_SEQPACKET:
1816 type = SOCK_SEQPACKET;
1817 break;
1818 case TARGET_SOCK_PACKET:
1819 type = SOCK_PACKET;
1820 break;
1821 }
1822#endif
12bc92ab
AZ		 1823 if (domain == PF_NETLINK)
1824 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1825 return get_errno(socket(domain, type, protocol));
1826}
1827
0da46a6e 1828/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1829static abi_long do_bind(int sockfd, abi_ulong target_addr,
1830 socklen_t addrlen)
3532fa74 1831{
8f7aeaf6 1832 void *addr;
917507b0 1833 abi_long ret;
8f7aeaf6 1834
38724253 1835 if ((int)addrlen < 0) {
8f7aeaf6 1836 return -TARGET_EINVAL;
38724253 1837 }
8f7aeaf6 1838
607175e0 1839 addr = alloca(addrlen+1);
3b46e624 1840
917507b0
AP		 1841 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1842 if (ret)
1843 return ret;
1844
3532fa74
FB		 1845 return get_errno(bind(sockfd, addr, addrlen));
1846}
1847
0da46a6e 1848/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1849static abi_long do_connect(int sockfd, abi_ulong target_addr,
1850 socklen_t addrlen)
3532fa74 1851{
8f7aeaf6 1852 void *addr;
917507b0 1853 abi_long ret;
8f7aeaf6 1854
38724253 1855 if ((int)addrlen < 0) {
8f7aeaf6 1856 return -TARGET_EINVAL;
38724253 1857 }
8f7aeaf6
AJ		 1858
1859 addr = alloca(addrlen);
3b46e624 1860
917507b0
AP		 1861 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1862 if (ret)
1863 return ret;
1864
3532fa74
FB		 1865 return get_errno(connect(sockfd, addr, addrlen));
1866}
1867
0da46a6e 1868/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1869static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1870 int flags, int send)
3532fa74 1871{
6de645c7 1872 abi_long ret, len;
3532fa74
FB		 1873 struct target_msghdr *msgp;
1874 struct msghdr msg;
1875 int count;
1876 struct iovec *vec;
992f48a0 1877 abi_ulong target_vec;
3532fa74 1878
579a97f7
FB		 1879 /* FIXME */
1880 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1881 msgp,
1882 target_msg,
1883 send ? 1 : 0))
1884 return -TARGET_EFAULT;
3532fa74
FB		 1885 if (msgp->msg_name) {
1886 msg.msg_namelen = tswap32(msgp->msg_namelen);
1887 msg.msg_name = alloca(msg.msg_namelen);
cbb21eed 1888 ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
3532fa74 1889 msg.msg_namelen);
917507b0
AP		 1890 if (ret) {
1891 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1892 return ret;
1893 }
3532fa74
FB		 1894 } else {
1895 msg.msg_name = NULL;
1896 msg.msg_namelen = 0;
1897 }
cbb21eed 1898 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3532fa74
FB		 1899 msg.msg_control = alloca(msg.msg_controllen);
1900 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1901
cbb21eed 1902 count = tswapal(msgp->msg_iovlen);
3532fa74 1903 vec = alloca(count * sizeof(struct iovec));
cbb21eed 1904 target_vec = tswapal(msgp->msg_iov);
579a97f7 1905 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1906 msg.msg_iovlen = count;
1907 msg.msg_iov = vec;
3b46e624 1908
3532fa74 1909 if (send) {
5a4a898d
FB		 1910 ret = target_to_host_cmsg(&msg, msgp);
1911 if (ret == 0)
1912 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1913 } else {
1914 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1915 if (!is_error(ret)) {
1916 len = ret;
5a4a898d 1917 ret = host_to_target_cmsg(msgp, &msg);
ca619067
JH		 1918 if (!is_error(ret)) {
1919 msgp->msg_namelen = tswap32(msg.msg_namelen);
1920 if (msg.msg_name != NULL) {
1921 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
1922 msg.msg_name, msg.msg_namelen);
1923 if (ret) {
1924 goto out;
1925 }
1926 }
1927
6de645c7 1928 ret = len;
ca619067 1929 }
6de645c7 1930 }
3532fa74 1931 }
ca619067
JH		 1932
1933out:
3532fa74 1934 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1935 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1936 return ret;
1937}
1938
0da46a6e 1939/* do_accept() Must return target values and target errnos. */
992f48a0 1940static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1941 abi_ulong target_addrlen_addr)
1be9e1dc 1942{
2f619698
FB		 1943 socklen_t addrlen;
1944 void *addr;
992f48a0 1945 abi_long ret;
1be9e1dc 1946
917507b0
AP		 1947 if (target_addr == 0)
1948 return get_errno(accept(fd, NULL, NULL));
1949
1950 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1951 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1952 return -TARGET_EINVAL;
2f619698 1953
38724253 1954 if ((int)addrlen < 0) {
8f7aeaf6 1955 return -TARGET_EINVAL;
38724253 1956 }
8f7aeaf6 1957
917507b0
AP		 1958 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1959 return -TARGET_EINVAL;
1960
2f619698
FB		 1961 addr = alloca(addrlen);
1962
1be9e1dc
PB		 1963 ret = get_errno(accept(fd, addr, &addrlen));
1964 if (!is_error(ret)) {
1965 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1966 if (put_user_u32(addrlen, target_addrlen_addr))
1967 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1968 }
1969 return ret;
1970}
1971
0da46a6e 1972/* do_getpeername() Must return target values and target errnos. */
992f48a0 1973static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1974 abi_ulong target_addrlen_addr)
1be9e1dc 1975{
2f619698
FB		 1976 socklen_t addrlen;
1977 void *addr;
992f48a0 1978 abi_long ret;
1be9e1dc 1979
2f619698
FB		 1980 if (get_user_u32(addrlen, target_addrlen_addr))
1981 return -TARGET_EFAULT;
1982
38724253 1983 if ((int)addrlen < 0) {
8f7aeaf6 1984 return -TARGET_EINVAL;
38724253 1985 }
8f7aeaf6 1986
917507b0
AP		 1987 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1988 return -TARGET_EFAULT;
1989
2f619698
FB		 1990 addr = alloca(addrlen);
1991
1be9e1dc
PB		 1992 ret = get_errno(getpeername(fd, addr, &addrlen));
1993 if (!is_error(ret)) {
1994 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1995 if (put_user_u32(addrlen, target_addrlen_addr))
1996 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1997 }
1998 return ret;
1999}
2000
0da46a6e 2001/* do_getsockname() Must return target values and target errnos. */
992f48a0 2002static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 2003 abi_ulong target_addrlen_addr)
1be9e1dc 2004{
2f619698
FB		 2005 socklen_t addrlen;
2006 void *addr;
992f48a0 2007 abi_long ret;
1be9e1dc 2008
2f619698
FB		 2009 if (get_user_u32(addrlen, target_addrlen_addr))
2010 return -TARGET_EFAULT;
2011
38724253 2012 if ((int)addrlen < 0) {
8f7aeaf6 2013 return -TARGET_EINVAL;
38724253 2014 }
8f7aeaf6 2015
917507b0
AP		 2016 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2017 return -TARGET_EFAULT;
2018
2f619698
FB		 2019 addr = alloca(addrlen);
2020
1be9e1dc
PB		 2021 ret = get_errno(getsockname(fd, addr, &addrlen));
2022 if (!is_error(ret)) {
2023 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2024 if (put_user_u32(addrlen, target_addrlen_addr))
2025 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2026 }
2027 return ret;
2028}
2029
0da46a6e 2030/* do_socketpair() Must return target values and target errnos. */
992f48a0 2031static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 2032 abi_ulong target_tab_addr)
1be9e1dc
PB		 2033{
2034 int tab[2];
992f48a0 2035 abi_long ret;
1be9e1dc
PB		 2036
2037 ret = get_errno(socketpair(domain, type, protocol, tab));
2038 if (!is_error(ret)) {
2f619698
FB		 2039 if (put_user_s32(tab[0], target_tab_addr)
2040 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
2041 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2042 }
2043 return ret;
2044}
2045
0da46a6e 2046/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 2047static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
2048 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 2049{
2050 void *addr;
2051 void *host_msg;
992f48a0 2052 abi_long ret;
1be9e1dc 2053
38724253 2054 if ((int)addrlen < 0) {
8f7aeaf6 2055 return -TARGET_EINVAL;
38724253 2056 }
8f7aeaf6 2057
579a97f7
FB		 2058 host_msg = lock_user(VERIFY_READ, msg, len, 1);
2059 if (!host_msg)
2060 return -TARGET_EFAULT;
1be9e1dc
PB		 2061 if (target_addr) {
2062 addr = alloca(addrlen);
917507b0
AP		 2063 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2064 if (ret) {
2065 unlock_user(host_msg, msg, 0);
2066 return ret;
2067 }
1be9e1dc
PB		 2068 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
2069 } else {
2070 ret = get_errno(send(fd, host_msg, len, flags));
2071 }
2072 unlock_user(host_msg, msg, 0);
2073 return ret;
2074}
2075
0da46a6e 2076/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 2077static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
2078 abi_ulong target_addr,
2079 abi_ulong target_addrlen)
1be9e1dc
PB		 2080{
2081 socklen_t addrlen;
2082 void *addr;
2083 void *host_msg;
992f48a0 2084 abi_long ret;
1be9e1dc 2085
579a97f7
FB		 2086 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
2087 if (!host_msg)
2088 return -TARGET_EFAULT;
1be9e1dc 2089 if (target_addr) {
2f619698
FB		 2090 if (get_user_u32(addrlen, target_addrlen)) {
2091 ret = -TARGET_EFAULT;
2092 goto fail;
2093 }
38724253 2094 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 2095 ret = -TARGET_EINVAL;
2096 goto fail;
2097 }
1be9e1dc
PB		 2098 addr = alloca(addrlen);
2099 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
2100 } else {
2101 addr = NULL; /* To keep compiler quiet. */
00aa0040 2102 ret = get_errno(qemu_recv(fd, host_msg, len, flags));
1be9e1dc
PB		 2103 }
2104 if (!is_error(ret)) {
2105 if (target_addr) {
2106 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2107 if (put_user_u32(addrlen, target_addrlen)) {
2108 ret = -TARGET_EFAULT;
2109 goto fail;
2110 }
1be9e1dc
PB		 2111 }
2112 unlock_user(host_msg, msg, len);
2113 } else {
2f619698 2114fail:
1be9e1dc
PB		 2115 unlock_user(host_msg, msg, 0);
2116 }
2117 return ret;
2118}
2119
32407103 2120#ifdef TARGET_NR_socketcall
0da46a6e 2121/* do_socketcall() Must return target values and target errnos. */
992f48a0 2122static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 2123{
992f48a0
BS		 2124 abi_long ret;
2125 const int n = sizeof(abi_ulong);
31e31b8a
FB		 2126
2127 switch(num) {
2128 case SOCKOP_socket:
7854b056 2129 {
98818189 2130 abi_ulong domain, type, protocol;
2f619698 2131
98818189
UH		 2132 if (get_user_ual(domain, vptr)
2133 || get_user_ual(type, vptr + n)
2134 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 2135 return -TARGET_EFAULT;
2136
3532fa74 2137 ret = do_socket(domain, type, protocol);
7854b056 2138 }
31e31b8a
FB		 2139 break;
2140 case SOCKOP_bind:
7854b056 2141 {
98818189 2142 abi_ulong sockfd;
2f619698
FB		 2143 abi_ulong target_addr;
2144 socklen_t addrlen;
2145
98818189 2146 if (get_user_ual(sockfd, vptr)
2f619698 2147 || get_user_ual(target_addr, vptr + n)
98818189 2148 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 2149 return -TARGET_EFAULT;
2150
3532fa74 2151 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 2152 }
31e31b8a
FB		 2153 break;
2154 case SOCKOP_connect:
7854b056 2155 {
98818189 2156 abi_ulong sockfd;
2f619698
FB		 2157 abi_ulong target_addr;
2158 socklen_t addrlen;
2159
98818189 2160 if (get_user_ual(sockfd, vptr)
2f619698 2161 || get_user_ual(target_addr, vptr + n)
98818189 2162 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 2163 return -TARGET_EFAULT;
2164
3532fa74 2165 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 2166 }
31e31b8a
FB		 2167 break;
2168 case SOCKOP_listen:
7854b056 2169 {
98818189 2170 abi_ulong sockfd, backlog;
2f619698 2171
98818189
UH		 2172 if (get_user_ual(sockfd, vptr)
2173 || get_user_ual(backlog, vptr + n))
2f619698
FB		 2174 return -TARGET_EFAULT;
2175
7854b056
FB		 2176 ret = get_errno(listen(sockfd, backlog));
2177 }
31e31b8a
FB		 2178 break;
2179 case SOCKOP_accept:
2180 {
98818189 2181 abi_ulong sockfd;
2f619698
FB		 2182 abi_ulong target_addr, target_addrlen;
2183
98818189 2184 if (get_user_ual(sockfd, vptr)
2f619698 2185 || get_user_ual(target_addr, vptr + n)
98818189 2186 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2187 return -TARGET_EFAULT;
2188
1be9e1dc 2189 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2190 }
2191 break;
2192 case SOCKOP_getsockname:
2193 {
98818189 2194 abi_ulong sockfd;
2f619698
FB		 2195 abi_ulong target_addr, target_addrlen;
2196
98818189 2197 if (get_user_ual(sockfd, vptr)
2f619698 2198 || get_user_ual(target_addr, vptr + n)
98818189 2199 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2200 return -TARGET_EFAULT;
2201
1be9e1dc 2202 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2203 }
2204 break;
2205 case SOCKOP_getpeername:
2206 {
98818189 2207 abi_ulong sockfd;
2f619698
FB		 2208 abi_ulong target_addr, target_addrlen;
2209
98818189 2210 if (get_user_ual(sockfd, vptr)
2f619698 2211 || get_user_ual(target_addr, vptr + n)
98818189 2212 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2213 return -TARGET_EFAULT;
2214
1be9e1dc 2215 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2216 }
2217 break;
2218 case SOCKOP_socketpair:
2219 {
98818189 2220 abi_ulong domain, type, protocol;
2f619698
FB		 2221 abi_ulong tab;
2222
98818189
UH		 2223 if (get_user_ual(domain, vptr)
2224 || get_user_ual(type, vptr + n)
2225 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 2226 || get_user_ual(tab, vptr + 3 * n))
2227 return -TARGET_EFAULT;
2228
1be9e1dc 2229 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 2230 }
2231 break;
2232 case SOCKOP_send:
7854b056 2233 {
98818189 2234 abi_ulong sockfd;
2f619698
FB		 2235 abi_ulong msg;
2236 size_t len;
98818189 2237 abi_ulong flags;
2f619698 2238
98818189 2239 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2240 || get_user_ual(msg, vptr + n)
2241 || get_user_ual(len, vptr + 2 * n)
98818189 2242 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2243 return -TARGET_EFAULT;
2244
1be9e1dc 2245 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 2246 }
31e31b8a
FB		 2247 break;
2248 case SOCKOP_recv:
7854b056 2249 {
98818189 2250 abi_ulong sockfd;
2f619698
FB		 2251 abi_ulong msg;
2252 size_t len;
98818189 2253 abi_ulong flags;
2f619698 2254
98818189 2255 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2256 || get_user_ual(msg, vptr + n)
2257 || get_user_ual(len, vptr + 2 * n)
98818189 2258 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2259 return -TARGET_EFAULT;
2260
1be9e1dc 2261 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 2262 }
31e31b8a
FB		 2263 break;
2264 case SOCKOP_sendto:
7854b056 2265 {
98818189 2266 abi_ulong sockfd;
2f619698
FB		 2267 abi_ulong msg;
2268 size_t len;
98818189 2269 abi_ulong flags;
2f619698
FB		 2270 abi_ulong addr;
2271 socklen_t addrlen;
2272
98818189 2273 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2274 || get_user_ual(msg, vptr + n)
2275 || get_user_ual(len, vptr + 2 * n)
98818189 2276 || get_user_ual(flags, vptr + 3 * n)
2f619698 2277 || get_user_ual(addr, vptr + 4 * n)
98818189 2278 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2279 return -TARGET_EFAULT;
2280
1be9e1dc 2281 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 2282 }
31e31b8a
FB		 2283 break;
2284 case SOCKOP_recvfrom:
2285 {
98818189 2286 abi_ulong sockfd;
2f619698
FB		 2287 abi_ulong msg;
2288 size_t len;
98818189 2289 abi_ulong flags;
2f619698
FB		 2290 abi_ulong addr;
2291 socklen_t addrlen;
2292
98818189 2293 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2294 || get_user_ual(msg, vptr + n)
2295 || get_user_ual(len, vptr + 2 * n)
98818189 2296 || get_user_ual(flags, vptr + 3 * n)
2f619698 2297 || get_user_ual(addr, vptr + 4 * n)
98818189 2298 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2299 return -TARGET_EFAULT;
2300
1be9e1dc 2301 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 2302 }
2303 break;
2304 case SOCKOP_shutdown:
7854b056 2305 {
98818189 2306 abi_ulong sockfd, how;
2f619698 2307
98818189
UH		 2308 if (get_user_ual(sockfd, vptr)
2309 || get_user_ual(how, vptr + n))
2f619698 2310 return -TARGET_EFAULT;
7854b056
FB		 2311
2312 ret = get_errno(shutdown(sockfd, how));
2313 }
31e31b8a
FB		 2314 break;
2315 case SOCKOP_sendmsg:
2316 case SOCKOP_recvmsg:
1a9353d2 2317 {
98818189 2318 abi_ulong fd;
992f48a0 2319 abi_ulong target_msg;
98818189 2320 abi_ulong flags;
1a9353d2 2321
98818189 2322 if (get_user_ual(fd, vptr)
2f619698 2323 || get_user_ual(target_msg, vptr + n)
98818189 2324 || get_user_ual(flags, vptr + 2 * n))
2f619698 2325 return -TARGET_EFAULT;
3532fa74 2326
5fafdf24 2327 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 2328 (num == SOCKOP_sendmsg));
1a9353d2
FB		 2329 }
2330 break;
31e31b8a 2331 case SOCKOP_setsockopt:
7854b056 2332 {
98818189
UH		 2333 abi_ulong sockfd;
2334 abi_ulong level;
2335 abi_ulong optname;
2f619698
FB		 2336 abi_ulong optval;
2337 socklen_t optlen;
2338
98818189
UH		 2339 if (get_user_ual(sockfd, vptr)
2340 || get_user_ual(level, vptr + n)
2341 || get_user_ual(optname, vptr + 2 * n)
2f619698 2342 || get_user_ual(optval, vptr + 3 * n)
98818189 2343 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2344 return -TARGET_EFAULT;
7854b056
FB		 2345
2346 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2347 }
2348 break;
31e31b8a 2349 case SOCKOP_getsockopt:
7854b056 2350 {
98818189
UH		 2351 abi_ulong sockfd;
2352 abi_ulong level;
2353 abi_ulong optname;
2f619698
FB		 2354 abi_ulong optval;
2355 socklen_t optlen;
2356
98818189
UH		 2357 if (get_user_ual(sockfd, vptr)
2358 || get_user_ual(level, vptr + n)
2359 || get_user_ual(optname, vptr + 2 * n)
2f619698 2360 || get_user_ual(optval, vptr + 3 * n)
98818189 2361 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2362 return -TARGET_EFAULT;
7854b056 2363
2f619698 2364 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2365 }
2366 break;
31e31b8a
FB		 2367 default:
2368 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2369 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2370 break;
2371 }
2372 return ret;
2373}
32407103 2374#endif
31e31b8a 2375
8853f86e
FB		 2376#define N_SHM_REGIONS 32
2377
2378static struct shm_region {
5a4a898d
FB		 2379 abi_ulong start;
2380 abi_ulong size;
8853f86e
FB		 2381} shm_regions[N_SHM_REGIONS];
2382
3eb6b044
TS		 2383struct target_ipc_perm
2384{
992f48a0
BS		 2385 abi_long __key;
2386 abi_ulong uid;
2387 abi_ulong gid;
2388 abi_ulong cuid;
2389 abi_ulong cgid;
3eb6b044
TS		 2390 unsigned short int mode;
2391 unsigned short int __pad1;
2392 unsigned short int __seq;
2393 unsigned short int __pad2;
992f48a0
BS		 2394 abi_ulong __unused1;
2395 abi_ulong __unused2;
3eb6b044
TS		 2396};
2397
2398struct target_semid_ds
2399{
2400 struct target_ipc_perm sem_perm;
992f48a0
BS		 2401 abi_ulong sem_otime;
2402 abi_ulong __unused1;
2403 abi_ulong sem_ctime;
2404 abi_ulong __unused2;
2405 abi_ulong sem_nsems;
2406 abi_ulong __unused3;
2407 abi_ulong __unused4;
3eb6b044
TS		 2408};
2409
579a97f7
FB		 2410static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2411 abi_ulong target_addr)
3eb6b044
TS		 2412{
2413 struct target_ipc_perm *target_ip;
2414 struct target_semid_ds *target_sd;
2415
579a97f7
FB		 2416 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2417 return -TARGET_EFAULT;
e8bbe36c 2418 target_ip = &(target_sd->sem_perm);
cbb21eed
MB		 2419 host_ip->__key = tswapal(target_ip->__key);
2420 host_ip->uid = tswapal(target_ip->uid);
2421 host_ip->gid = tswapal(target_ip->gid);
2422 host_ip->cuid = tswapal(target_ip->cuid);
2423 host_ip->cgid = tswapal(target_ip->cgid);
2424 host_ip->mode = tswap16(target_ip->mode);
3eb6b044 2425 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2426 return 0;
3eb6b044
TS		 2427}
2428
579a97f7
FB		 2429static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2430 struct ipc_perm *host_ip)
3eb6b044
TS		 2431{
2432 struct target_ipc_perm *target_ip;
2433 struct target_semid_ds *target_sd;
2434
579a97f7
FB		 2435 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2436 return -TARGET_EFAULT;
3eb6b044 2437 target_ip = &(target_sd->sem_perm);
cbb21eed
MB		 2438 target_ip->__key = tswapal(host_ip->__key);
2439 target_ip->uid = tswapal(host_ip->uid);
2440 target_ip->gid = tswapal(host_ip->gid);
2441 target_ip->cuid = tswapal(host_ip->cuid);
2442 target_ip->cgid = tswapal(host_ip->cgid);
2443 target_ip->mode = tswap16(host_ip->mode);
3eb6b044 2444 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2445 return 0;
3eb6b044
TS		 2446}
2447
579a97f7
FB		 2448static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2449 abi_ulong target_addr)
3eb6b044
TS		 2450{
2451 struct target_semid_ds *target_sd;
2452
579a97f7
FB		 2453 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2454 return -TARGET_EFAULT;
e5289087
AJ		 2455 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2456 return -TARGET_EFAULT;
cbb21eed
MB		 2457 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
2458 host_sd->sem_otime = tswapal(target_sd->sem_otime);
2459 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3eb6b044 2460 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2461 return 0;
3eb6b044
TS		 2462}
2463
579a97f7
FB		 2464static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2465 struct semid_ds *host_sd)
3eb6b044
TS		 2466{
2467 struct target_semid_ds *target_sd;
2468
579a97f7
FB		 2469 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2470 return -TARGET_EFAULT;
e5289087 2471 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3a93113a 2472 return -TARGET_EFAULT;
cbb21eed
MB		 2473 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
2474 target_sd->sem_otime = tswapal(host_sd->sem_otime);
2475 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3eb6b044 2476 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2477 return 0;
3eb6b044
TS		 2478}
2479
e5289087
AJ		 2480struct target_seminfo {
2481 int semmap;
2482 int semmni;
2483 int semmns;
2484 int semmnu;
2485 int semmsl;
2486 int semopm;
2487 int semume;
2488 int semusz;
2489 int semvmx;
2490 int semaem;
2491};
2492
2493static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2494 struct seminfo *host_seminfo)
2495{
2496 struct target_seminfo *target_seminfo;
2497 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2498 return -TARGET_EFAULT;
2499 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2500 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2501 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2502 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2503 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2504 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2505 __put_user(host_seminfo->semume, &target_seminfo->semume);
2506 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2507 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2508 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2509 unlock_user_struct(target_seminfo, target_addr, 1);
2510 return 0;
2511}
2512
fa294816
TS		 2513union semun {
2514 int val;
3eb6b044 2515 struct semid_ds *buf;
fa294816 2516 unsigned short *array;
e5289087 2517 struct seminfo *__buf;
fa294816
TS		 2518};
2519
3eb6b044
TS		 2520union target_semun {
2521 int val;
e5289087
AJ		 2522 abi_ulong buf;
2523 abi_ulong array;
2524 abi_ulong __buf;
3eb6b044
TS		 2525};
2526
e5289087
AJ		 2527static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2528 abi_ulong target_addr)
3eb6b044 2529{
e5289087
AJ		 2530 int nsems;
2531 unsigned short *array;
2532 union semun semun;
2533 struct semid_ds semid_ds;
2534 int i, ret;
3eb6b044 2535
e5289087
AJ		 2536 semun.buf = &semid_ds;
2537
2538 ret = semctl(semid, 0, IPC_STAT, semun);
2539 if (ret == -1)
2540 return get_errno(ret);
2541
2542 nsems = semid_ds.sem_nsems;
2543
2544 *host_array = malloc(nsems*sizeof(unsigned short));
2545 array = lock_user(VERIFY_READ, target_addr,
2546 nsems*sizeof(unsigned short), 1);
2547 if (!array)
2548 return -TARGET_EFAULT;
2549
2550 for(i=0; i<nsems; i++) {
2551 __get_user((*host_array)[i], &array[i]);
3eb6b044 2552 }
e5289087
AJ		 2553 unlock_user(array, target_addr, 0);
2554
579a97f7 2555 return 0;
3eb6b044
TS		 2556}
2557
e5289087
AJ		 2558static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2559 unsigned short **host_array)
3eb6b044 2560{
e5289087
AJ		 2561 int nsems;
2562 unsigned short *array;
2563 union semun semun;
2564 struct semid_ds semid_ds;
2565 int i, ret;
3eb6b044 2566
e5289087
AJ		 2567 semun.buf = &semid_ds;
2568
2569 ret = semctl(semid, 0, IPC_STAT, semun);
2570 if (ret == -1)
2571 return get_errno(ret);
2572
2573 nsems = semid_ds.sem_nsems;
2574
2575 array = lock_user(VERIFY_WRITE, target_addr,
2576 nsems*sizeof(unsigned short), 0);
2577 if (!array)
2578 return -TARGET_EFAULT;
2579
2580 for(i=0; i<nsems; i++) {
2581 __put_user((*host_array)[i], &array[i]);
3eb6b044 2582 }
e5289087
AJ		 2583 free(*host_array);
2584 unlock_user(array, target_addr, 1);
2585
579a97f7 2586 return 0;
3eb6b044
TS		 2587}
2588
e5289087
AJ		 2589static inline abi_long do_semctl(int semid, int semnum, int cmd,
2590 union target_semun target_su)
3eb6b044
TS		 2591{
2592 union semun arg;
2593 struct semid_ds dsarg;
7b8118e8 2594 unsigned short *array = NULL;
e5289087
AJ		 2595 struct seminfo seminfo;
2596 abi_long ret = -TARGET_EINVAL;
2597 abi_long err;
2598 cmd &= 0xff;
3eb6b044
TS		 2599
2600 switch( cmd ) {
2601 case GETVAL:
3eb6b044 2602 case SETVAL:
cbb21eed 2603 arg.val = tswap32(target_su.val);
e5289087 2604 ret = get_errno(semctl(semid, semnum, cmd, arg));
cbb21eed 2605 target_su.val = tswap32(arg.val);
3eb6b044
TS		 2606 break;
2607 case GETALL:
3eb6b044 2608 case SETALL:
e5289087
AJ		 2609 err = target_to_host_semarray(semid, &array, target_su.array);
2610 if (err)
2611 return err;
2612 arg.array = array;
2613 ret = get_errno(semctl(semid, semnum, cmd, arg));
2614 err = host_to_target_semarray(semid, target_su.array, &array);
2615 if (err)
2616 return err;
3eb6b044
TS		 2617 break;
2618 case IPC_STAT:
3eb6b044 2619 case IPC_SET:
e5289087
AJ		 2620 case SEM_STAT:
2621 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2622 if (err)
2623 return err;
2624 arg.buf = &dsarg;
2625 ret = get_errno(semctl(semid, semnum, cmd, arg));
2626 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2627 if (err)
2628 return err;
2629 break;
2630 case IPC_INFO:
2631 case SEM_INFO:
2632 arg.__buf = &seminfo;
2633 ret = get_errno(semctl(semid, semnum, cmd, arg));
2634 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2635 if (err)
2636 return err;
2637 break;
2638 case IPC_RMID:
2639 case GETPID:
2640 case GETNCNT:
2641 case GETZCNT:
2642 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2643 break;
3eb6b044
TS		 2644 }
2645
2646 return ret;
2647}
2648
e5289087
AJ		 2649struct target_sembuf {
2650 unsigned short sem_num;
2651 short sem_op;
2652 short sem_flg;
2653};
2654
2655static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2656 abi_ulong target_addr,
2657 unsigned nsops)
2658{
2659 struct target_sembuf *target_sembuf;
2660 int i;
2661
2662 target_sembuf = lock_user(VERIFY_READ, target_addr,
2663 nsops*sizeof(struct target_sembuf), 1);
2664 if (!target_sembuf)
2665 return -TARGET_EFAULT;
2666
2667 for(i=0; i<nsops; i++) {
2668 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2669 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2670 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2671 }
2672
2673 unlock_user(target_sembuf, target_addr, 0);
2674
2675 return 0;
2676}
2677
2678static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2679{
2680 struct sembuf sops[nsops];
2681
2682 if (target_to_host_sembuf(sops, ptr, nsops))
2683 return -TARGET_EFAULT;
2684
2685 return semop(semid, sops, nsops);
2686}
2687
1bc012f6
TS		 2688struct target_msqid_ds
2689{
1c54ff97
AJ		 2690 struct target_ipc_perm msg_perm;
2691 abi_ulong msg_stime;
2692#if TARGET_ABI_BITS == 32
2693 abi_ulong __unused1;
2694#endif
2695 abi_ulong msg_rtime;
2696#if TARGET_ABI_BITS == 32
2697 abi_ulong __unused2;
2698#endif
2699 abi_ulong msg_ctime;
2700#if TARGET_ABI_BITS == 32
2701 abi_ulong __unused3;
2702#endif
2703 abi_ulong __msg_cbytes;
2704 abi_ulong msg_qnum;
2705 abi_ulong msg_qbytes;
2706 abi_ulong msg_lspid;
2707 abi_ulong msg_lrpid;
2708 abi_ulong __unused4;
2709 abi_ulong __unused5;
1bc012f6
TS		 2710};
2711
579a97f7
FB		 2712static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2713 abi_ulong target_addr)
1bc012f6
TS		 2714{
2715 struct target_msqid_ds *target_md;
2716
579a97f7
FB		 2717 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2718 return -TARGET_EFAULT;
1c54ff97
AJ		 2719 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2720 return -TARGET_EFAULT;
cbb21eed
MB		 2721 host_md->msg_stime = tswapal(target_md->msg_stime);
2722 host_md->msg_rtime = tswapal(target_md->msg_rtime);
2723 host_md->msg_ctime = tswapal(target_md->msg_ctime);
2724 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
2725 host_md->msg_qnum = tswapal(target_md->msg_qnum);
2726 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
2727 host_md->msg_lspid = tswapal(target_md->msg_lspid);
2728 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
1bc012f6 2729 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2730 return 0;
1bc012f6
TS		 2731}
2732
579a97f7
FB		 2733static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2734 struct msqid_ds *host_md)
1bc012f6
TS		 2735{
2736 struct target_msqid_ds *target_md;
2737
579a97f7
FB		 2738 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2739 return -TARGET_EFAULT;
1c54ff97
AJ		 2740 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2741 return -TARGET_EFAULT;
cbb21eed
MB		 2742 target_md->msg_stime = tswapal(host_md->msg_stime);
2743 target_md->msg_rtime = tswapal(host_md->msg_rtime);
2744 target_md->msg_ctime = tswapal(host_md->msg_ctime);
2745 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
2746 target_md->msg_qnum = tswapal(host_md->msg_qnum);
2747 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
2748 target_md->msg_lspid = tswapal(host_md->msg_lspid);
2749 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
1bc012f6 2750 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2751 return 0;
1bc012f6
TS		 2752}
2753
1c54ff97
AJ		 2754struct target_msginfo {
2755 int msgpool;
2756 int msgmap;
2757 int msgmax;
2758 int msgmnb;
2759 int msgmni;
2760 int msgssz;
2761 int msgtql;
2762 unsigned short int msgseg;
2763};
2764
2765static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2766 struct msginfo *host_msginfo)
2767{
2768 struct target_msginfo *target_msginfo;
2769 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2770 return -TARGET_EFAULT;
2771 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2772 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2773 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2774 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2775 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2776 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2777 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2778 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2779 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2780 return 0;
1c54ff97
AJ		 2781}
2782
2783static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2784{
2785 struct msqid_ds dsarg;
1c54ff97
AJ		 2786 struct msginfo msginfo;
2787 abi_long ret = -TARGET_EINVAL;
2788
2789 cmd &= 0xff;
2790
2791 switch (cmd) {
1bc012f6
TS		 2792 case IPC_STAT:
2793 case IPC_SET:
1c54ff97
AJ		 2794 case MSG_STAT:
2795 if (target_to_host_msqid_ds(&dsarg,ptr))
2796 return -TARGET_EFAULT;
2797 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2798 if (host_to_target_msqid_ds(ptr,&dsarg))
2799 return -TARGET_EFAULT;
2800 break;
2801 case IPC_RMID:
2802 ret = get_errno(msgctl(msgid, cmd, NULL));
2803 break;
2804 case IPC_INFO:
2805 case MSG_INFO:
2806 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2807 if (host_to_target_msginfo(ptr, &msginfo))
2808 return -TARGET_EFAULT;
2809 break;
1bc012f6 2810 }
1c54ff97 2811
1bc012f6
TS		 2812 return ret;
2813}
2814
2815struct target_msgbuf {
1c54ff97
AJ		 2816 abi_long mtype;
2817 char mtext[1];
1bc012f6
TS		 2818};
2819
992f48a0
BS		 2820static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2821 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2822{
2823 struct target_msgbuf *target_mb;
2824 struct msgbuf *host_mb;
992f48a0 2825 abi_long ret = 0;
1bc012f6 2826
579a97f7
FB		 2827 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2828 return -TARGET_EFAULT;
1bc012f6 2829 host_mb = malloc(msgsz+sizeof(long));
cbb21eed 2830 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
1c54ff97 2831 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2832 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2833 free(host_mb);
2834 unlock_user_struct(target_mb, msgp, 0);
2835
2836 return ret;
2837}
2838
992f48a0 2839static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2840 unsigned int msgsz, abi_long msgtyp,
992f48a0 2841 int msgflg)
1bc012f6
TS		 2842{
2843 struct target_msgbuf *target_mb;
579a97f7 2844 char *target_mtext;
1bc012f6 2845 struct msgbuf *host_mb;
992f48a0 2846 abi_long ret = 0;
1bc012f6 2847
579a97f7
FB		 2848 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2849 return -TARGET_EFAULT;
1c54ff97 2850
0d07fe47 2851 host_mb = g_malloc(msgsz+sizeof(long));
cbb21eed 2852 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapal(msgtyp), msgflg));
1c54ff97 2853
579a97f7
FB		 2854 if (ret > 0) {
2855 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2856 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2857 if (!target_mtext) {
2858 ret = -TARGET_EFAULT;
2859 goto end;
2860 }
1c54ff97 2861 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2862 unlock_user(target_mtext, target_mtext_addr, ret);
2863 }
1c54ff97 2864
cbb21eed 2865 target_mb->mtype = tswapal(host_mb->mtype);
1bc012f6 2866
579a97f7
FB		 2867end:
2868 if (target_mb)
2869 unlock_user_struct(target_mb, msgp, 1);
0d07fe47 2870 g_free(host_mb);
1bc012f6
TS		 2871 return ret;
2872}
2873
88a8c984
RV		 2874struct target_shmid_ds
2875{
2876 struct target_ipc_perm shm_perm;
2877 abi_ulong shm_segsz;
2878 abi_ulong shm_atime;
2879#if TARGET_ABI_BITS == 32
2880 abi_ulong __unused1;
2881#endif
2882 abi_ulong shm_dtime;
2883#if TARGET_ABI_BITS == 32
2884 abi_ulong __unused2;
2885#endif
2886 abi_ulong shm_ctime;
2887#if TARGET_ABI_BITS == 32
2888 abi_ulong __unused3;
2889#endif
2890 int shm_cpid;
2891 int shm_lpid;
2892 abi_ulong shm_nattch;
2893 unsigned long int __unused4;
2894 unsigned long int __unused5;
2895};
2896
2897static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2898 abi_ulong target_addr)
2899{
2900 struct target_shmid_ds *target_sd;
2901
2902 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2903 return -TARGET_EFAULT;
2904 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2905 return -TARGET_EFAULT;
2906 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2907 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2908 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2909 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2910 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2911 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2912 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2913 unlock_user_struct(target_sd, target_addr, 0);
2914 return 0;
2915}
2916
2917static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2918 struct shmid_ds *host_sd)
2919{
2920 struct target_shmid_ds *target_sd;
2921
2922 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2923 return -TARGET_EFAULT;
2924 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2925 return -TARGET_EFAULT;
2926 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2927 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2928 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2929 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2930 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2931 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2932 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2933 unlock_user_struct(target_sd, target_addr, 1);
2934 return 0;
2935}
2936
2937struct target_shminfo {
2938 abi_ulong shmmax;
2939 abi_ulong shmmin;
2940 abi_ulong shmmni;
2941 abi_ulong shmseg;
2942 abi_ulong shmall;
2943};
2944
2945static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2946 struct shminfo *host_shminfo)
2947{
2948 struct target_shminfo *target_shminfo;
2949 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2950 return -TARGET_EFAULT;
2951 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2952 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2953 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2954 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2955 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2956 unlock_user_struct(target_shminfo, target_addr, 1);
2957 return 0;
2958}
2959
2960struct target_shm_info {
2961 int used_ids;
2962 abi_ulong shm_tot;
2963 abi_ulong shm_rss;
2964 abi_ulong shm_swp;
2965 abi_ulong swap_attempts;
2966 abi_ulong swap_successes;
2967};
2968
2969static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2970 struct shm_info *host_shm_info)
2971{
2972 struct target_shm_info *target_shm_info;
2973 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2974 return -TARGET_EFAULT;
2975 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2976 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2977 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2978 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2979 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2980 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2981 unlock_user_struct(target_shm_info, target_addr, 1);
2982 return 0;
2983}
2984
2985static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2986{
2987 struct shmid_ds dsarg;
2988 struct shminfo shminfo;
2989 struct shm_info shm_info;
2990 abi_long ret = -TARGET_EINVAL;
2991
2992 cmd &= 0xff;
2993
2994 switch(cmd) {
2995 case IPC_STAT:
2996 case IPC_SET:
2997 case SHM_STAT:
2998 if (target_to_host_shmid_ds(&dsarg, buf))
2999 return -TARGET_EFAULT;
3000 ret = get_errno(shmctl(shmid, cmd, &dsarg));
3001 if (host_to_target_shmid_ds(buf, &dsarg))
3002 return -TARGET_EFAULT;
3003 break;
3004 case IPC_INFO:
3005 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
3006 if (host_to_target_shminfo(buf, &shminfo))
3007 return -TARGET_EFAULT;
3008 break;
3009 case SHM_INFO:
3010 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
3011 if (host_to_target_shm_info(buf, &shm_info))
3012 return -TARGET_EFAULT;
3013 break;
3014 case IPC_RMID:
3015 case SHM_LOCK:
3016 case SHM_UNLOCK:
3017 ret = get_errno(shmctl(shmid, cmd, NULL));
3018 break;
3019 }
3020
3021 return ret;
3022}
3023
3024static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
3025{
3026 abi_long raddr;
3027 void *host_raddr;
3028 struct shmid_ds shm_info;
3029 int i,ret;
3030
3031 /* find out the length of the shared memory segment */
3032 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
3033 if (is_error(ret)) {
3034 /* can't get length, bail out */
3035 return ret;
3036 }
3037
3038 mmap_lock();
3039
3040 if (shmaddr)
3041 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
3042 else {
3043 abi_ulong mmap_start;
3044
3045 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
3046
3047 if (mmap_start == -1) {
3048 errno = ENOMEM;
3049 host_raddr = (void *)-1;
3050 } else
3051 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
3052 }
3053
3054 if (host_raddr == (void *)-1) {
3055 mmap_unlock();
3056 return get_errno((long)host_raddr);
3057 }
3058 raddr=h2g((unsigned long)host_raddr);
3059
3060 page_set_flags(raddr, raddr + shm_info.shm_segsz,
3061 PAGE_VALID | PAGE_READ |
3062 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
3063
3064 for (i = 0; i < N_SHM_REGIONS; i++) {
3065 if (shm_regions[i].start == 0) {
3066 shm_regions[i].start = raddr;
3067 shm_regions[i].size = shm_info.shm_segsz;
3068 break;
3069 }
3070 }
3071
3072 mmap_unlock();
3073 return raddr;
3074
3075}
3076
3077static inline abi_long do_shmdt(abi_ulong shmaddr)
3078{
3079 int i;
3080
3081 for (i = 0; i < N_SHM_REGIONS; ++i) {
3082 if (shm_regions[i].start == shmaddr) {
3083 shm_regions[i].start = 0;
e00ac249 3084 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 3085 break;
3086 }
3087 }
3088
3089 return get_errno(shmdt(g2h(shmaddr)));
3090}
3091
1c54ff97 3092#ifdef TARGET_NR_ipc
53a5960a 3093/* ??? This only works with linear mappings. */
0da46a6e 3094/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 3095static abi_long do_ipc(unsigned int call, int first,
3096 int second, int third,
3097 abi_long ptr, abi_long fifth)
8853f86e
FB		 3098{
3099 int version;
992f48a0 3100 abi_long ret = 0;
8853f86e
FB		 3101
3102 version = call >> 16;
3103 call &= 0xffff;
3104
3105 switch (call) {
fa294816 3106 case IPCOP_semop:
e5289087 3107 ret = do_semop(first, ptr, second);
fa294816
TS		 3108 break;
3109
3110 case IPCOP_semget:
3111 ret = get_errno(semget(first, second, third));
3112 break;
3113
3114 case IPCOP_semctl:
e5289087 3115 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 3116 break;
d96372ef 3117
1c54ff97
AJ		 3118 case IPCOP_msgget:
3119 ret = get_errno(msgget(first, second));
3120 break;
d96372ef 3121
1c54ff97
AJ		 3122 case IPCOP_msgsnd:
3123 ret = do_msgsnd(first, ptr, second, third);
3124 break;
d96372ef 3125
1c54ff97
AJ		 3126 case IPCOP_msgctl:
3127 ret = do_msgctl(first, second, ptr);
3128 break;
d96372ef 3129
1c54ff97
AJ		 3130 case IPCOP_msgrcv:
3131 switch (version) {
3132 case 0:
3133 {
3134 struct target_ipc_kludge {
3135 abi_long msgp;
3136 abi_long msgtyp;
3137 } *tmp;
3138
3139 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
3140 ret = -TARGET_EFAULT;
3141 break;
3142 }
d96372ef 3143
1c54ff97 3144 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 3145
1c54ff97
AJ		 3146 unlock_user_struct(tmp, ptr, 0);
3147 break;
3148 }
3149 default:
3150 ret = do_msgrcv(first, ptr, second, fifth, third);
3151 }
3152 break;
d96372ef 3153
8853f86e 3154 case IPCOP_shmat:
88a8c984
RV		 3155 switch (version) {
3156 default:
5a4a898d
FB		 3157 {
3158 abi_ulong raddr;
88a8c984
RV		 3159 raddr = do_shmat(first, ptr, second);
3160 if (is_error(raddr))
3161 return get_errno(raddr);
2f619698 3162 if (put_user_ual(raddr, third))
5a4a898d 3163 return -TARGET_EFAULT;
88a8c984
RV		 3164 break;
3165 }
3166 case 1:
3167 ret = -TARGET_EINVAL;
3168 break;
5a4a898d 3169 }
8853f86e
FB		 3170 break;
3171 case IPCOP_shmdt:
88a8c984 3172 ret = do_shmdt(ptr);
8853f86e
FB		 3173 break;
3174
3175 case IPCOP_shmget:
3176 /* IPC_* flag values are the same on all linux platforms */
3177 ret = get_errno(shmget(first, second, third));
3178 break;
3179
3180 /* IPC_* and SHM_* command values are the same on all linux platforms */
3181 case IPCOP_shmctl:
88a8c984 3182 ret = do_shmctl(first, second, third);
8853f86e
FB		 3183 break;
3184 default:
32407103 3185 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 3186 ret = -TARGET_ENOSYS;
8853f86e
FB		 3187 break;
3188 }
3189 return ret;
3190}
32407103 3191#endif
8853f86e 3192
31e31b8a 3193/* kernel structure types definitions */
31e31b8a 3194
001faf32 3195#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 3196#define STRUCT_SPECIAL(name) STRUCT_ ## name,
3197enum {
3198#include "syscall_types.h"
3199};
3200#undef STRUCT
3201#undef STRUCT_SPECIAL
3202
001faf32 3203#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 3204#define STRUCT_SPECIAL(name)
3205#include "syscall_types.h"
3206#undef STRUCT
3207#undef STRUCT_SPECIAL
3208
d2ef05bb
PM		 3209typedef struct IOCTLEntry IOCTLEntry;
3210
3211typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
3212 int fd, abi_long cmd, abi_long arg);
3213
3214struct IOCTLEntry {
2ab83ea7
FB		 3215 unsigned int target_cmd;
3216 unsigned int host_cmd;
31e31b8a
FB		 3217 const char *name;
3218 int access;
d2ef05bb 3219 do_ioctl_fn *do_ioctl;
1a9353d2 3220 const argtype arg_type[5];
d2ef05bb 3221};
31e31b8a
FB		 3222
3223#define IOC_R 0x0001
3224#define IOC_W 0x0002
3225#define IOC_RW (IOC_R | IOC_W)
3226
3227#define MAX_STRUCT_SIZE 4096
3228
dace20dc 3229#ifdef CONFIG_FIEMAP
285da2b9
PM		 3230/* So fiemap access checks don't overflow on 32 bit systems.
3231 * This is very slightly smaller than the limit imposed by
3232 * the underlying kernel.
3233 */
3234#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3235 / sizeof(struct fiemap_extent))
3236
3237static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
3238 int fd, abi_long cmd, abi_long arg)
3239{
3240 /* The parameter for this ioctl is a struct fiemap followed
3241 * by an array of struct fiemap_extent whose size is set
3242 * in fiemap->fm_extent_count. The array is filled in by the
3243 * ioctl.
3244 */
3245 int target_size_in, target_size_out;
3246 struct fiemap *fm;
3247 const argtype *arg_type = ie->arg_type;
3248 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3249 void *argptr, *p;
3250 abi_long ret;
3251 int i, extent_size = thunk_type_size(extent_arg_type, 0);
3252 uint32_t outbufsz;
3253 int free_fm = 0;
3254
3255 assert(arg_type[0] == TYPE_PTR);
3256 assert(ie->access == IOC_RW);
3257 arg_type++;
3258 target_size_in = thunk_type_size(arg_type, 0);
3259 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3260 if (!argptr) {
3261 return -TARGET_EFAULT;
3262 }
3263 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3264 unlock_user(argptr, arg, 0);
3265 fm = (struct fiemap *)buf_temp;
3266 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3267 return -TARGET_EINVAL;
3268 }
3269
3270 outbufsz = sizeof (*fm) +
3271 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3272
3273 if (outbufsz > MAX_STRUCT_SIZE) {
3274 /* We can't fit all the extents into the fixed size buffer.
3275 * Allocate one that is large enough and use it instead.
3276 */
3277 fm = malloc(outbufsz);
3278 if (!fm) {
3279 return -TARGET_ENOMEM;
3280 }
3281 memcpy(fm, buf_temp, sizeof(struct fiemap));
3282 free_fm = 1;
3283 }
3284 ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3285 if (!is_error(ret)) {
3286 target_size_out = target_size_in;
3287 /* An extent_count of 0 means we were only counting the extents
3288 * so there are no structs to copy
3289 */
3290 if (fm->fm_extent_count != 0) {
3291 target_size_out += fm->fm_mapped_extents * extent_size;
3292 }
3293 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3294 if (!argptr) {
3295 ret = -TARGET_EFAULT;
3296 } else {
3297 /* Convert the struct fiemap */
3298 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3299 if (fm->fm_extent_count != 0) {
3300 p = argptr + target_size_in;
3301 /* ...and then all the struct fiemap_extents */
3302 for (i = 0; i < fm->fm_mapped_extents; i++) {
3303 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3304 THUNK_TARGET);
3305 p += extent_size;
3306 }
3307 }
3308 unlock_user(argptr, arg, target_size_out);
3309 }
3310 }
3311 if (free_fm) {
3312 free(fm);
3313 }
3314 return ret;
3315}
dace20dc 3316#endif
285da2b9 3317
059c2f2c
LV		 3318static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
3319 int fd, abi_long cmd, abi_long arg)
3320{
3321 const argtype *arg_type = ie->arg_type;
3322 int target_size;
3323 void *argptr;
3324 int ret;
3325 struct ifconf *host_ifconf;
3326 uint32_t outbufsz;
3327 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
3328 int target_ifreq_size;
3329 int nb_ifreq;
3330 int free_buf = 0;
3331 int i;
3332 int target_ifc_len;
3333 abi_long target_ifc_buf;
3334 int host_ifc_len;
3335 char *host_ifc_buf;
3336
3337 assert(arg_type[0] == TYPE_PTR);
3338 assert(ie->access == IOC_RW);
3339
3340 arg_type++;
3341 target_size = thunk_type_size(arg_type, 0);
3342
3343 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3344 if (!argptr)
3345 return -TARGET_EFAULT;
3346 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3347 unlock_user(argptr, arg, 0);
3348
3349 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
3350 target_ifc_len = host_ifconf->ifc_len;
3351 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
3352
3353 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
3354 nb_ifreq = target_ifc_len / target_ifreq_size;
3355 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
3356
3357 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
3358 if (outbufsz > MAX_STRUCT_SIZE) {
3359 /* We can't fit all the extents into the fixed size buffer.
3360 * Allocate one that is large enough and use it instead.
3361 */
3362 host_ifconf = malloc(outbufsz);
3363 if (!host_ifconf) {
3364 return -TARGET_ENOMEM;
3365 }
3366 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
3367 free_buf = 1;
3368 }
3369 host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
3370
3371 host_ifconf->ifc_len = host_ifc_len;
3372 host_ifconf->ifc_buf = host_ifc_buf;
3373
3374 ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
3375 if (!is_error(ret)) {
3376 /* convert host ifc_len to target ifc_len */
3377
3378 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
3379 target_ifc_len = nb_ifreq * target_ifreq_size;
3380 host_ifconf->ifc_len = target_ifc_len;
3381
3382 /* restore target ifc_buf */
3383
3384 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
3385
3386 /* copy struct ifconf to target user */
3387
3388 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3389 if (!argptr)
3390 return -TARGET_EFAULT;
3391 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
3392 unlock_user(argptr, arg, target_size);
3393
3394 /* copy ifreq[] to target user */
3395
3396 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
3397 for (i = 0; i < nb_ifreq ; i++) {
3398 thunk_convert(argptr + i * target_ifreq_size,
3399 host_ifc_buf + i * sizeof(struct ifreq),
3400 ifreq_arg_type, THUNK_TARGET);
3401 }
3402 unlock_user(argptr, target_ifc_buf, target_ifc_len);
3403 }
3404
3405 if (free_buf) {
3406 free(host_ifconf);
3407 }
3408
3409 return ret;
3410}
3411
56e904ec
AG		 3412static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
3413 abi_long cmd, abi_long arg)
3414{
3415 void *argptr;
3416 struct dm_ioctl *host_dm;
3417 abi_long guest_data;
3418 uint32_t guest_data_size;
3419 int target_size;
3420 const argtype *arg_type = ie->arg_type;
3421 abi_long ret;
3422 void *big_buf = NULL;
3423 char *host_data;
3424
3425 arg_type++;
3426 target_size = thunk_type_size(arg_type, 0);
3427 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3428 if (!argptr) {
3429 ret = -TARGET_EFAULT;
3430 goto out;
3431 }
3432 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3433 unlock_user(argptr, arg, 0);
3434
3435 /* buf_temp is too small, so fetch things into a bigger buffer */
3436 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
3437 memcpy(big_buf, buf_temp, target_size);
3438 buf_temp = big_buf;
3439 host_dm = big_buf;
3440
3441 guest_data = arg + host_dm->data_start;
3442 if ((guest_data - arg) < 0) {
3443 ret = -EINVAL;
3444 goto out;
3445 }
3446 guest_data_size = host_dm->data_size - host_dm->data_start;
3447 host_data = (char*)host_dm + host_dm->data_start;
3448
3449 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
3450 switch (ie->host_cmd) {
3451 case DM_REMOVE_ALL:
3452 case DM_LIST_DEVICES:
3453 case DM_DEV_CREATE:
3454 case DM_DEV_REMOVE:
3455 case DM_DEV_SUSPEND:
3456 case DM_DEV_STATUS:
3457 case DM_DEV_WAIT:
3458 case DM_TABLE_STATUS:
3459 case DM_TABLE_CLEAR:
3460 case DM_TABLE_DEPS:
3461 case DM_LIST_VERSIONS:
3462 /* no input data */
3463 break;
3464 case DM_DEV_RENAME:
3465 case DM_DEV_SET_GEOMETRY:
3466 /* data contains only strings */
3467 memcpy(host_data, argptr, guest_data_size);
3468 break;
3469 case DM_TARGET_MSG:
3470 memcpy(host_data, argptr, guest_data_size);
3471 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
3472 break;
3473 case DM_TABLE_LOAD:
3474 {
3475 void *gspec = argptr;
3476 void *cur_data = host_data;
3477 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3478 int spec_size = thunk_type_size(arg_type, 0);
3479 int i;
3480
3481 for (i = 0; i < host_dm->target_count; i++) {
3482 struct dm_target_spec *spec = cur_data;
3483 uint32_t next;
3484 int slen;
3485
3486 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
3487 slen = strlen((char*)gspec + spec_size) + 1;
3488 next = spec->next;
3489 spec->next = sizeof(*spec) + slen;
3490 strcpy((char*)&spec[1], gspec + spec_size);
3491 gspec += next;
3492 cur_data += spec->next;
3493 }
3494 break;
3495 }
3496 default:
3497 ret = -TARGET_EINVAL;
3498 goto out;
3499 }
3500 unlock_user(argptr, guest_data, 0);
3501
3502 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3503 if (!is_error(ret)) {
3504 guest_data = arg + host_dm->data_start;
3505 guest_data_size = host_dm->data_size - host_dm->data_start;
3506 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
3507 switch (ie->host_cmd) {
3508 case DM_REMOVE_ALL:
3509 case DM_DEV_CREATE:
3510 case DM_DEV_REMOVE:
3511 case DM_DEV_RENAME:
3512 case DM_DEV_SUSPEND:
3513 case DM_DEV_STATUS:
3514 case DM_TABLE_LOAD:
3515 case DM_TABLE_CLEAR:
3516 case DM_TARGET_MSG:
3517 case DM_DEV_SET_GEOMETRY:
3518 /* no return data */
3519 break;
3520 case DM_LIST_DEVICES:
3521 {
3522 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
3523 uint32_t remaining_data = guest_data_size;
3524 void *cur_data = argptr;
3525 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
3526 int nl_size = 12; /* can't use thunk_size due to alignment */
3527
3528 while (1) {
3529 uint32_t next = nl->next;
3530 if (next) {
3531 nl->next = nl_size + (strlen(nl->name) + 1);
3532 }
3533 if (remaining_data < nl->next) {
3534 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3535 break;
3536 }
3537 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
3538 strcpy(cur_data + nl_size, nl->name);
3539 cur_data += nl->next;
3540 remaining_data -= nl->next;
3541 if (!next) {
3542 break;
3543 }
3544 nl = (void*)nl + next;
3545 }
3546 break;
3547 }
3548 case DM_DEV_WAIT:
3549 case DM_TABLE_STATUS:
3550 {
3551 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
3552 void *cur_data = argptr;
3553 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3554 int spec_size = thunk_type_size(arg_type, 0);
3555 int i;
3556
3557 for (i = 0; i < host_dm->target_count; i++) {
3558 uint32_t next = spec->next;
3559 int slen = strlen((char*)&spec[1]) + 1;
3560 spec->next = (cur_data - argptr) + spec_size + slen;
3561 if (guest_data_size < spec->next) {
3562 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3563 break;
3564 }
3565 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
3566 strcpy(cur_data + spec_size, (char*)&spec[1]);
3567 cur_data = argptr + spec->next;
3568 spec = (void*)host_dm + host_dm->data_start + next;
3569 }
3570 break;
3571 }
3572 case DM_TABLE_DEPS:
3573 {
3574 void *hdata = (void*)host_dm + host_dm->data_start;
3575 int count = *(uint32_t*)hdata;
3576 uint64_t *hdev = hdata + 8;
3577 uint64_t *gdev = argptr + 8;
3578 int i;
3579
3580 *(uint32_t*)argptr = tswap32(count);
3581 for (i = 0; i < count; i++) {
3582 *gdev = tswap64(*hdev);
3583 gdev++;
3584 hdev++;
3585 }
3586 break;
3587 }
3588 case DM_LIST_VERSIONS:
3589 {
3590 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
3591 uint32_t remaining_data = guest_data_size;
3592 void *cur_data = argptr;
3593 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
3594 int vers_size = thunk_type_size(arg_type, 0);
3595
3596 while (1) {
3597 uint32_t next = vers->next;
3598 if (next) {
3599 vers->next = vers_size + (strlen(vers->name) + 1);
3600 }
3601 if (remaining_data < vers->next) {
3602 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3603 break;
3604 }
3605 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
3606 strcpy(cur_data + vers_size, vers->name);
3607 cur_data += vers->next;
3608 remaining_data -= vers->next;
3609 if (!next) {
3610 break;
3611 }
3612 vers = (void*)vers + next;
3613 }
3614 break;
3615 }
3616 default:
3617 ret = -TARGET_EINVAL;
3618 goto out;
3619 }
3620 unlock_user(argptr, guest_data, guest_data_size);
3621
3622 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3623 if (!argptr) {
3624 ret = -TARGET_EFAULT;
3625 goto out;
3626 }
3627 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3628 unlock_user(argptr, arg, target_size);
3629 }
3630out:
3631 if (big_buf) {
3632 free(big_buf);
3633 }
3634 return ret;
3635}
3636
9f106a75 3637static IOCTLEntry ioctl_entries[] = {
001faf32 3638#define IOCTL(cmd, access, ...) \
d2ef05bb
PM		 3639 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3640#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3641 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
31e31b8a
FB		 3642#include "ioctls.h"
3643 { 0, 0, },
3644};
3645
53a5960a 3646/* ??? Implement proper locking for ioctls. */
0da46a6e 3647/* do_ioctl() Must return target values and target errnos. */
992f48a0 3648static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 3649{
3650 const IOCTLEntry *ie;
3651 const argtype *arg_type;
992f48a0 3652 abi_long ret;
31e31b8a 3653 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 3654 int target_size;
3655 void *argptr;
31e31b8a
FB		 3656
3657 ie = ioctl_entries;
3658 for(;;) {
3659 if (ie->target_cmd == 0) {
32407103 3660 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 3661 return -TARGET_ENOSYS;
31e31b8a
FB		 3662 }
3663 if (ie->target_cmd == cmd)
3664 break;
3665 ie++;
3666 }
3667 arg_type = ie->arg_type;
9de5e440 3668#if defined(DEBUG)
32407103 3669 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 3670#endif
d2ef05bb
PM		 3671 if (ie->do_ioctl) {
3672 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3673 }
3674
31e31b8a
FB		 3675 switch(arg_type[0]) {
3676 case TYPE_NULL:
3677 /* no argument */
3678 ret = get_errno(ioctl(fd, ie->host_cmd));
3679 break;
3680 case TYPE_PTRVOID:
3681 case TYPE_INT:
3682 /* int argment */
3683 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3684 break;
3685 case TYPE_PTR:
3686 arg_type++;
53a5960a 3687 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 3688 switch(ie->access) {
3689 case IOC_R:
3690 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3691 if (!is_error(ret)) {
579a97f7
FB		 3692 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3693 if (!argptr)
3694 return -TARGET_EFAULT;
53a5960a
PB		 3695 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3696 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3697 }
3698 break;
3699 case IOC_W:
579a97f7
FB		 3700 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3701 if (!argptr)
3702 return -TARGET_EFAULT;
53a5960a
PB		 3703 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3704 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3705 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3706 break;
3707 default:
3708 case IOC_RW:
579a97f7
FB		 3709 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3710 if (!argptr)
3711 return -TARGET_EFAULT;
53a5960a
PB		 3712 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3713 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3714 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3715 if (!is_error(ret)) {
579a97f7
FB		 3716 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3717 if (!argptr)
3718 return -TARGET_EFAULT;
53a5960a
PB		 3719 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3720 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3721 }
3722 break;
3723 }
3724 break;
3725 default:
32407103
JM		 3726 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3727 (long)cmd, arg_type[0]);
0da46a6e 3728 ret = -TARGET_ENOSYS;
31e31b8a
FB		 3729 break;
3730 }
3731 return ret;
3732}
3733
b39bc503 3734static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 3735 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3736 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3737 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3738 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3739 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3740 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3741 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3742 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3743 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3744 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3745 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3746 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3747 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3748 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3749 { 0, 0, 0, 0 }
3750};
3751
b39bc503 3752static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3753 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3754 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3755 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3756 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3757 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3758 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3759 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3760 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3761 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3762 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3763 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3764 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3765 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3766 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3767 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3768 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3769 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3770 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3771 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3772 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3773 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3774 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3775 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3776 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3777 { 0, 0, 0, 0 }
3778};
3779
b39bc503 3780static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3781 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3782 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3783 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3784 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3785 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3786 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3787 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3788 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3789 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3790 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3791 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3792 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3793 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3794 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3795 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3796 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3797 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3798 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3799 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3800 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3801 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3802 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3803 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3804 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3805 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3806 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3807 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3808 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3809 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3810 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3811 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3812 { 0, 0, 0, 0 }
3813};
3814
b39bc503 3815static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3816 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3817 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3818 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3819 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3820 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3821 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3822 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3823 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3824 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3825 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3826 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3827 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3828 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3829 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3830 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3831 { 0, 0, 0, 0 }
3832};
3833
3834static void target_to_host_termios (void *dst, const void *src)
3835{
3836 struct host_termios *host = dst;
3837 const struct target_termios *target = src;
3b46e624 3838
5fafdf24 3839 host->c_iflag =
31e31b8a 3840 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3841 host->c_oflag =
31e31b8a 3842 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3843 host->c_cflag =
31e31b8a 3844 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3845 host->c_lflag =
31e31b8a
FB		 3846 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3847 host->c_line = target->c_line;
3b46e624 3848
44607123 3849 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3850 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3851 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3852 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3853 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3854 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3855 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3856 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3857 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3858 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3859 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3860 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3861 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3862 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3863 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3864 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3865 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3866 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3867}
3b46e624 3868
31e31b8a
FB		 3869static void host_to_target_termios (void *dst, const void *src)
3870{
3871 struct target_termios *target = dst;
3872 const struct host_termios *host = src;
3873
5fafdf24 3874 target->c_iflag =
31e31b8a 3875 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3876 target->c_oflag =
31e31b8a 3877 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3878 target->c_cflag =
31e31b8a 3879 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3880 target->c_lflag =
31e31b8a
FB		 3881 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3882 target->c_line = host->c_line;
3b46e624 3883
44607123 3884 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3885 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3886 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3887 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3888 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3889 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3890 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3891 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3892 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3893 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3894 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3895 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3896 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3897 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3898 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3899 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3900 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3901 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3902}
3903
8e853dc7 3904static const StructEntry struct_termios_def = {
31e31b8a
FB		 3905 .convert = { host_to_target_termios, target_to_host_termios },
3906 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3907 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3908};
3909
5286db75
FB		 3910static bitmask_transtbl mmap_flags_tbl[] = {
3911 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3912 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3913 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3914 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3915 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3916 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3917 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3918 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3919 { 0, 0, 0, 0 }
3920};
3921
2ab83ea7 3922#if defined(TARGET_I386)
6dbad63e
FB		 3923
3924/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3925static uint8_t *ldt_table;
6dbad63e 3926
03acab66 3927static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3928{
3929 int size;
53a5960a 3930 void *p;
6dbad63e
FB		 3931
3932 if (!ldt_table)
3933 return 0;
3934 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3935 if (size > bytecount)
3936 size = bytecount;
579a97f7
FB		 3937 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3938 if (!p)
03acab66 3939 return -TARGET_EFAULT;
579a97f7 3940 /* ??? Should this by byteswapped? */
53a5960a
PB		 3941 memcpy(p, ldt_table, size);
3942 unlock_user(p, ptr, size);
6dbad63e
FB		 3943 return size;
3944}
3945
3946/* XXX: add locking support */
03acab66
FB		 3947static abi_long write_ldt(CPUX86State *env,
3948 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3949{
3950 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3951 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3952 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3953 int seg_not_present, useable, lm;
6dbad63e
FB		 3954 uint32_t *lp, entry_1, entry_2;
3955
3956 if (bytecount != sizeof(ldt_info))
03acab66 3957 return -TARGET_EINVAL;
579a97f7 3958 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3959 return -TARGET_EFAULT;
53a5960a 3960 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 3961 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
53a5960a
PB		 3962 ldt_info.limit = tswap32(target_ldt_info->limit);
3963 ldt_info.flags = tswap32(target_ldt_info->flags);
3964 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3965
6dbad63e 3966 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3967 return -TARGET_EINVAL;
6dbad63e
FB		 3968 seg_32bit = ldt_info.flags & 1;
3969 contents = (ldt_info.flags >> 1) & 3;
3970 read_exec_only = (ldt_info.flags >> 3) & 1;
3971 limit_in_pages = (ldt_info.flags >> 4) & 1;
3972 seg_not_present = (ldt_info.flags >> 5) & 1;
3973 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3974#ifdef TARGET_ABI32
3975 lm = 0;
3976#else
3977 lm = (ldt_info.flags >> 7) & 1;
3978#endif
6dbad63e
FB		 3979 if (contents == 3) {
3980 if (oldmode)
03acab66 3981 return -TARGET_EINVAL;
6dbad63e 3982 if (seg_not_present == 0)
03acab66 3983 return -TARGET_EINVAL;
6dbad63e
FB		 3984 }
3985 /* allocate the LDT */
3986 if (!ldt_table) {
e441570f
AZ		 3987 env->ldt.base = target_mmap(0,
3988 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3989 PROT_READ|PROT_WRITE,
3990 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3991 if (env->ldt.base == -1)
03acab66 3992 return -TARGET_ENOMEM;
e441570f
AZ		 3993 memset(g2h(env->ldt.base), 0,
3994 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3995 env->ldt.limit = 0xffff;
e441570f 3996 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3997 }
3998
3999 /* NOTE: same code as Linux kernel */
4000 /* Allow LDTs to be cleared by the user. */
4001 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4002 if (oldmode ||
4003 (contents == 0 &&
4004 read_exec_only == 1 &&
4005 seg_32bit == 0 &&
4006 limit_in_pages == 0 &&
4007 seg_not_present == 1 &&
4008 useable == 0 )) {
4009 entry_1 = 0;
4010 entry_2 = 0;
4011 goto install;
4012 }
4013 }
3b46e624 4014
6dbad63e
FB		 4015 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4016 (ldt_info.limit & 0x0ffff);
4017 entry_2 = (ldt_info.base_addr & 0xff000000) |
4018 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4019 (ldt_info.limit & 0xf0000) |
4020 ((read_exec_only ^ 1) << 9) |
4021 (contents << 10) |
4022 ((seg_not_present ^ 1) << 15) |
4023 (seg_32bit << 22) |
4024 (limit_in_pages << 23) |
8d18e893 4025 (lm << 21) |
6dbad63e
FB		 4026 0x7000;
4027 if (!oldmode)
4028 entry_2 |= (useable << 20);
14ae3ba7 4029
6dbad63e
FB		 4030 /* Install the new entry ... */
4031install:
4032 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
4033 lp[0] = tswap32(entry_1);
4034 lp[1] = tswap32(entry_2);
4035 return 0;
4036}
4037
4038/* specific and weird i386 syscalls */
8fcd3692
BS		 4039static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
4040 unsigned long bytecount)
6dbad63e 4041{
03acab66 4042 abi_long ret;
3b46e624 4043
6dbad63e
FB		 4044 switch (func) {
4045 case 0:
4046 ret = read_ldt(ptr, bytecount);
4047 break;
4048 case 1:
4049 ret = write_ldt(env, ptr, bytecount, 1);
4050 break;
4051 case 0x11:
4052 ret = write_ldt(env, ptr, bytecount, 0);
4053 break;
03acab66
FB		 4054 default:
4055 ret = -TARGET_ENOSYS;
4056 break;
6dbad63e
FB		 4057 }
4058 return ret;
4059}
1b6b029e 4060
4583f589 4061#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 4062static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4063{
4064 uint64_t *gdt_table = g2h(env->gdt.base);
4065 struct target_modify_ldt_ldt_s ldt_info;
4066 struct target_modify_ldt_ldt_s *target_ldt_info;
4067 int seg_32bit, contents, read_exec_only, limit_in_pages;
4068 int seg_not_present, useable, lm;
4069 uint32_t *lp, entry_1, entry_2;
4070 int i;
4071
4072 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4073 if (!target_ldt_info)
4074 return -TARGET_EFAULT;
4075 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4076 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
8d18e893
FB		 4077 ldt_info.limit = tswap32(target_ldt_info->limit);
4078 ldt_info.flags = tswap32(target_ldt_info->flags);
4079 if (ldt_info.entry_number == -1) {
4080 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
4081 if (gdt_table[i] == 0) {
4082 ldt_info.entry_number = i;
4083 target_ldt_info->entry_number = tswap32(i);
4084 break;
4085 }
4086 }
4087 }
4088 unlock_user_struct(target_ldt_info, ptr, 1);
4089
4090 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
4091 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
4092 return -TARGET_EINVAL;
4093 seg_32bit = ldt_info.flags & 1;
4094 contents = (ldt_info.flags >> 1) & 3;
4095 read_exec_only = (ldt_info.flags >> 3) & 1;
4096 limit_in_pages = (ldt_info.flags >> 4) & 1;
4097 seg_not_present = (ldt_info.flags >> 5) & 1;
4098 useable = (ldt_info.flags >> 6) & 1;
4099#ifdef TARGET_ABI32
4100 lm = 0;
4101#else
4102 lm = (ldt_info.flags >> 7) & 1;
4103#endif
4104
4105 if (contents == 3) {
4106 if (seg_not_present == 0)
4107 return -TARGET_EINVAL;
4108 }
4109
4110 /* NOTE: same code as Linux kernel */
4111 /* Allow LDTs to be cleared by the user. */
4112 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4113 if ((contents == 0 &&
4114 read_exec_only == 1 &&
4115 seg_32bit == 0 &&
4116 limit_in_pages == 0 &&
4117 seg_not_present == 1 &&
4118 useable == 0 )) {
4119 entry_1 = 0;
4120 entry_2 = 0;
4121 goto install;
4122 }
4123 }
4124
4125 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4126 (ldt_info.limit & 0x0ffff);
4127 entry_2 = (ldt_info.base_addr & 0xff000000) |
4128 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4129 (ldt_info.limit & 0xf0000) |
4130 ((read_exec_only ^ 1) << 9) |
4131 (contents << 10) |
4132 ((seg_not_present ^ 1) << 15) |
4133 (seg_32bit << 22) |
4134 (limit_in_pages << 23) |
4135 (useable << 20) |
4136 (lm << 21) |
4137 0x7000;
4138
4139 /* Install the new entry ... */
4140install:
4141 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
4142 lp[0] = tswap32(entry_1);
4143 lp[1] = tswap32(entry_2);
4144 return 0;
4145}
4146
8fcd3692 4147static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4148{
4149 struct target_modify_ldt_ldt_s *target_ldt_info;
4150 uint64_t *gdt_table = g2h(env->gdt.base);
4151 uint32_t base_addr, limit, flags;
4152 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
4153 int seg_not_present, useable, lm;
4154 uint32_t *lp, entry_1, entry_2;
4155
4156 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4157 if (!target_ldt_info)
4158 return -TARGET_EFAULT;
4159 idx = tswap32(target_ldt_info->entry_number);
4160 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
4161 idx > TARGET_GDT_ENTRY_TLS_MAX) {
4162 unlock_user_struct(target_ldt_info, ptr, 1);
4163 return -TARGET_EINVAL;
4164 }
4165 lp = (uint32_t *)(gdt_table + idx);
4166 entry_1 = tswap32(lp[0]);
4167 entry_2 = tswap32(lp[1]);
4168
4169 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
4170 contents = (entry_2 >> 10) & 3;
4171 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
4172 seg_32bit = (entry_2 >> 22) & 1;
4173 limit_in_pages = (entry_2 >> 23) & 1;
4174 useable = (entry_2 >> 20) & 1;
4175#ifdef TARGET_ABI32
4176 lm = 0;
4177#else
4178 lm = (entry_2 >> 21) & 1;
4179#endif
4180 flags = (seg_32bit << 0) | (contents << 1) |
4181 (read_exec_only << 3) | (limit_in_pages << 4) |
4182 (seg_not_present << 5) | (useable << 6) | (lm << 7);
4183 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
4184 base_addr = (entry_1 >> 16) |
4185 (entry_2 & 0xff000000) |
4186 ((entry_2 & 0xff) << 16);
cbb21eed 4187 target_ldt_info->base_addr = tswapal(base_addr);
8d18e893
FB		 4188 target_ldt_info->limit = tswap32(limit);
4189 target_ldt_info->flags = tswap32(flags);
4190 unlock_user_struct(target_ldt_info, ptr, 1);
4191 return 0;
4192}
4583f589 4193#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 4194
d2fd1af7 4195#ifndef TARGET_ABI32
8fcd3692 4196static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7 4197{
1add8698 4198 abi_long ret = 0;
d2fd1af7
FB		 4199 abi_ulong val;
4200 int idx;
1add8698 4201
d2fd1af7
FB		 4202 switch(code) {
4203 case TARGET_ARCH_SET_GS:
4204 case TARGET_ARCH_SET_FS:
4205 if (code == TARGET_ARCH_SET_GS)
4206 idx = R_GS;
4207 else
4208 idx = R_FS;
4209 cpu_x86_load_seg(env, idx, 0);
4210 env->segs[idx].base = addr;
4211 break;
4212 case TARGET_ARCH_GET_GS:
4213 case TARGET_ARCH_GET_FS:
4214 if (code == TARGET_ARCH_GET_GS)
4215 idx = R_GS;
4216 else
4217 idx = R_FS;
4218 val = env->segs[idx].base;
4219 if (put_user(val, addr, abi_ulong))
1add8698 4220 ret = -TARGET_EFAULT;
d2fd1af7
FB		 4221 break;
4222 default:
4223 ret = -TARGET_EINVAL;
4224 break;
4225 }
1add8698 4226 return ret;
d2fd1af7
FB		 4227}
4228#endif
4229
2ab83ea7
FB		 4230#endif /* defined(TARGET_I386) */
4231
05098a93 4232#define NEW_STACK_SIZE 0x40000
d865bab5 4233
05098a93 4234#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4235
4236static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
4237typedef struct {
9349b4f9 4238 CPUArchState *env;
d865bab5
PB		 4239 pthread_mutex_t mutex;
4240 pthread_cond_t cond;
4241 pthread_t thread;
4242 uint32_t tid;
4243 abi_ulong child_tidptr;
4244 abi_ulong parent_tidptr;
4245 sigset_t sigmask;
4246} new_thread_info;
4247
4248static void *clone_func(void *arg)
4249{
4250 new_thread_info *info = arg;
9349b4f9 4251 CPUArchState *env;
edf8e2af 4252 TaskState *ts;
d865bab5
PB		 4253
4254 env = info->env;
4255 thread_env = env;
edf8e2af 4256 ts = (TaskState *)thread_env->opaque;
d865bab5 4257 info->tid = gettid();
1e9fa730 4258 env->host_tid = info->tid;
edf8e2af 4259 task_settid(ts);
d865bab5
PB		 4260 if (info->child_tidptr)
4261 put_user_u32(info->tid, info->child_tidptr);
4262 if (info->parent_tidptr)
4263 put_user_u32(info->tid, info->parent_tidptr);
4264 /* Enable signals. */
4265 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
4266 /* Signal to the parent that we're ready. */
4267 pthread_mutex_lock(&info->mutex);
4268 pthread_cond_broadcast(&info->cond);
4269 pthread_mutex_unlock(&info->mutex);
4270 /* Wait until the parent has finshed initializing the tls state. */
4271 pthread_mutex_lock(&clone_lock);
4272 pthread_mutex_unlock(&clone_lock);
4273 cpu_loop(env);
4274 /* never exits */
4275 return NULL;
4276}
4277#else
1b6b029e
FB		 4278
4279static int clone_func(void *arg)
4280{
9349b4f9 4281 CPUArchState *env = arg;
1b6b029e
FB		 4282 cpu_loop(env);
4283 /* never exits */
4284 return 0;
4285}
d865bab5 4286#endif
1b6b029e 4287
0da46a6e
TS		 4288/* do_fork() Must return host values and target errnos (unlike most
4289 do_*() functions). */
9349b4f9 4290static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
d865bab5
PB		 4291 abi_ulong parent_tidptr, target_ulong newtls,
4292 abi_ulong child_tidptr)
1b6b029e
FB		 4293{
4294 int ret;
5cd4393b 4295 TaskState *ts;
9349b4f9 4296 CPUArchState *new_env;
2f7bb878 4297#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4298 unsigned int nptl_flags;
4299 sigset_t sigmask;
9190749f
RV		 4300#else
4301 uint8_t *new_stack;
d865bab5 4302#endif
3b46e624 4303
436d124b
AZ		 4304 /* Emulate vfork() with fork() */
4305 if (flags & CLONE_VFORK)
4306 flags &= ~(CLONE_VFORK | CLONE_VM);
4307
1b6b029e 4308 if (flags & CLONE_VM) {
edf8e2af 4309 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 4310#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4311 new_thread_info info;
4312 pthread_attr_t attr;
bd0c5661 4313#endif
7267c094 4314 ts = g_malloc0(sizeof(TaskState));
624f7979 4315 init_task_state(ts);
1b6b029e 4316 /* we create a new CPU instance. */
c5be9f08 4317 new_env = cpu_copy(env);
b4558d74 4318#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
ff18b762 4319 cpu_reset(ENV_GET_CPU(new_env));
b4558d74 4320#endif
6e68e076
PB		 4321 /* Init regs that differ from the parent. */
4322 cpu_clone_regs(new_env, newsp);
5cd4393b 4323 new_env->opaque = ts;
edf8e2af
MW		 4324 ts->bprm = parent_ts->bprm;
4325 ts->info = parent_ts->info;
2f7bb878 4326#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4327 nptl_flags = flags;
4328 flags &= ~CLONE_NPTL_FLAGS2;
4329
c2764719
PB		 4330 if (nptl_flags & CLONE_CHILD_CLEARTID) {
4331 ts->child_tidptr = child_tidptr;
4332 }
4333
d865bab5
PB		 4334 if (nptl_flags & CLONE_SETTLS)
4335 cpu_set_tls (new_env, newtls);
4336
4337 /* Grab a mutex so that thread setup appears atomic. */
4338 pthread_mutex_lock(&clone_lock);
4339
4340 memset(&info, 0, sizeof(info));
4341 pthread_mutex_init(&info.mutex, NULL);
4342 pthread_mutex_lock(&info.mutex);
4343 pthread_cond_init(&info.cond, NULL);
4344 info.env = new_env;
4345 if (nptl_flags & CLONE_CHILD_SETTID)
4346 info.child_tidptr = child_tidptr;
4347 if (nptl_flags & CLONE_PARENT_SETTID)
4348 info.parent_tidptr = parent_tidptr;
4349
4350 ret = pthread_attr_init(&attr);
48e15fc2
NF		 4351 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
4352 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
d865bab5
PB		 4353 /* It is not safe to deliver signals until the child has finished
4354 initializing, so temporarily block all signals. */
4355 sigfillset(&sigmask);
4356 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
4357
4358 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 4359 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 4360
4361 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
4362 pthread_attr_destroy(&attr);
4363 if (ret == 0) {
4364 /* Wait for the child to initialize. */
4365 pthread_cond_wait(&info.cond, &info.mutex);
4366 ret = info.tid;
4367 if (flags & CLONE_PARENT_SETTID)
4368 put_user_u32(ret, parent_tidptr);
4369 } else {
4370 ret = -1;
4371 }
4372 pthread_mutex_unlock(&info.mutex);
4373 pthread_cond_destroy(&info.cond);
4374 pthread_mutex_destroy(&info.mutex);
4375 pthread_mutex_unlock(&clone_lock);
4376#else
4377 if (flags & CLONE_NPTL_FLAGS2)
4378 return -EINVAL;
4379 /* This is probably going to die very quickly, but do it anyway. */
7267c094 4380 new_stack = g_malloc0 (NEW_STACK_SIZE);
27725c1d 4381#ifdef __ia64__
60e99246 4382 ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 4383#else
4384 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 4385#endif
27725c1d 4386#endif
1b6b029e
FB		 4387 } else {
4388 /* if no CLONE_VM, we consider it is a fork */
d865bab5 4389 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 4390 return -EINVAL;
d865bab5 4391 fork_start();
1b6b029e 4392 ret = fork();
d865bab5 4393 if (ret == 0) {
2b1319c8 4394 /* Child Process. */
d865bab5
PB		 4395 cpu_clone_regs(env, newsp);
4396 fork_end(1);
2f7bb878 4397#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 4398 /* There is a race condition here. The parent process could
4399 theoretically read the TID in the child process before the child
4400 tid is set. This would require using either ptrace
4401 (not implemented) or having *_tidptr to point at a shared memory
4402 mapping. We can't repeat the spinlock hack used above because
4403 the child process gets its own copy of the lock. */
d865bab5
PB		 4404 if (flags & CLONE_CHILD_SETTID)
4405 put_user_u32(gettid(), child_tidptr);
4406 if (flags & CLONE_PARENT_SETTID)
4407 put_user_u32(gettid(), parent_tidptr);
4408 ts = (TaskState *)env->opaque;
4409 if (flags & CLONE_SETTLS)
4410 cpu_set_tls (env, newtls);
c2764719
PB		 4411 if (flags & CLONE_CHILD_CLEARTID)
4412 ts->child_tidptr = child_tidptr;
2b1319c8 4413#endif
d865bab5
PB		 4414 } else {
4415 fork_end(0);
4416 }
1b6b029e
FB		 4417 }
4418 return ret;
4419}
4420
5f106811
APR		 4421/* warning : doesn't handle linux specific flags... */
4422static int target_to_host_fcntl_cmd(int cmd)
4423{
4424 switch(cmd) {
4425 case TARGET_F_DUPFD:
4426 case TARGET_F_GETFD:
4427 case TARGET_F_SETFD:
4428 case TARGET_F_GETFL:
4429 case TARGET_F_SETFL:
4430 return cmd;
4431 case TARGET_F_GETLK:
4432 return F_GETLK;
4433 case TARGET_F_SETLK:
4434 return F_SETLK;
4435 case TARGET_F_SETLKW:
4436 return F_SETLKW;
4437 case TARGET_F_GETOWN:
4438 return F_GETOWN;
4439 case TARGET_F_SETOWN:
4440 return F_SETOWN;
4441 case TARGET_F_GETSIG:
4442 return F_GETSIG;
4443 case TARGET_F_SETSIG:
4444 return F_SETSIG;
4445#if TARGET_ABI_BITS == 32
4446 case TARGET_F_GETLK64:
4447 return F_GETLK64;
4448 case TARGET_F_SETLK64:
4449 return F_SETLK64;
4450 case TARGET_F_SETLKW64:
4451 return F_SETLKW64;
4452#endif
7e22e546
UH		 4453 case TARGET_F_SETLEASE:
4454 return F_SETLEASE;
4455 case TARGET_F_GETLEASE:
4456 return F_GETLEASE;
fbd5de9b 4457#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 4458 case TARGET_F_DUPFD_CLOEXEC:
4459 return F_DUPFD_CLOEXEC;
fbd5de9b 4460#endif
7e22e546
UH		 4461 case TARGET_F_NOTIFY:
4462 return F_NOTIFY;
5f106811
APR		 4463 default:
4464 return -TARGET_EINVAL;
4465 }
4466 return -TARGET_EINVAL;
4467}
4468
992f48a0 4469static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 4470{
4471 struct flock fl;
53a5960a 4472 struct target_flock *target_fl;
43f238d7
TS		 4473 struct flock64 fl64;
4474 struct target_flock64 *target_fl64;
992f48a0 4475 abi_long ret;
5f106811
APR		 4476 int host_cmd = target_to_host_fcntl_cmd(cmd);
4477
4478 if (host_cmd == -TARGET_EINVAL)
4479 return host_cmd;
53a5960a 4480
7775e9ec
FB		 4481 switch(cmd) {
4482 case TARGET_F_GETLK:
579a97f7
FB		 4483 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4484 return -TARGET_EFAULT;
5813427b
TS		 4485 fl.l_type = tswap16(target_fl->l_type);
4486 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4487 fl.l_start = tswapal(target_fl->l_start);
4488 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4489 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 4490 unlock_user_struct(target_fl, arg, 0);
5f106811 4491 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4492 if (ret == 0) {
579a97f7
FB		 4493 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
4494 return -TARGET_EFAULT;
7775e9ec
FB		 4495 target_fl->l_type = tswap16(fl.l_type);
4496 target_fl->l_whence = tswap16(fl.l_whence);
cbb21eed
MB		 4497 target_fl->l_start = tswapal(fl.l_start);
4498 target_fl->l_len = tswapal(fl.l_len);
7e22e546 4499 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 4500 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 4501 }
4502 break;
3b46e624 4503
7775e9ec
FB		 4504 case TARGET_F_SETLK:
4505 case TARGET_F_SETLKW:
579a97f7
FB		 4506 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4507 return -TARGET_EFAULT;
7775e9ec
FB		 4508 fl.l_type = tswap16(target_fl->l_type);
4509 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4510 fl.l_start = tswapal(target_fl->l_start);
4511 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4512 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 4513 unlock_user_struct(target_fl, arg, 0);
5f106811 4514 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4515 break;
3b46e624 4516
7775e9ec 4517 case TARGET_F_GETLK64:
579a97f7
FB		 4518 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4519 return -TARGET_EFAULT;
5813427b
TS		 4520 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4521 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4522 fl64.l_start = tswap64(target_fl64->l_start);
4523 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4524 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 4525 unlock_user_struct(target_fl64, arg, 0);
5f106811 4526 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 4527 if (ret == 0) {
579a97f7
FB		 4528 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
4529 return -TARGET_EFAULT;
43f238d7
TS		 4530 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
4531 target_fl64->l_whence = tswap16(fl64.l_whence);
cbb21eed
MB		 4532 target_fl64->l_start = tswap64(fl64.l_start);
4533 target_fl64->l_len = tswap64(fl64.l_len);
7e22e546 4534 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 4535 unlock_user_struct(target_fl64, arg, 1);
4536 }
9ee1fa2c 4537 break;
7775e9ec
FB		 4538 case TARGET_F_SETLK64:
4539 case TARGET_F_SETLKW64:
579a97f7
FB		 4540 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4541 return -TARGET_EFAULT;
43f238d7
TS		 4542 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4543 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4544 fl64.l_start = tswap64(target_fl64->l_start);
4545 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4546 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 4547 unlock_user_struct(target_fl64, arg, 0);
5f106811 4548 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 4549 break;
4550
5f106811
APR		 4551 case TARGET_F_GETFL:
4552 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 4553 if (ret >= 0) {
4554 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4555 }
ffa65c3b
FB		 4556 break;
4557
5f106811
APR		 4558 case TARGET_F_SETFL:
4559 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4560 break;
4561
4562 case TARGET_F_SETOWN:
4563 case TARGET_F_GETOWN:
4564 case TARGET_F_SETSIG:
4565 case TARGET_F_GETSIG:
7e22e546
UH		 4566 case TARGET_F_SETLEASE:
4567 case TARGET_F_GETLEASE:
5f106811 4568 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 4569 break;
4570
7775e9ec 4571 default:
9ee1fa2c 4572 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 4573 break;
4574 }
4575 return ret;
4576}
4577
67867308 4578#ifdef USE_UID16
7775e9ec 4579
67867308
FB		 4580static inline int high2lowuid(int uid)
4581{
4582 if (uid > 65535)
4583 return 65534;
4584 else
4585 return uid;
4586}
4587
4588static inline int high2lowgid(int gid)
4589{
4590 if (gid > 65535)
4591 return 65534;
4592 else
4593 return gid;
4594}
4595
4596static inline int low2highuid(int uid)
4597{
4598 if ((int16_t)uid == -1)
4599 return -1;
4600 else
4601 return uid;
4602}
4603
4604static inline int low2highgid(int gid)
4605{
4606 if ((int16_t)gid == -1)
4607 return -1;
4608 else
4609 return gid;
4610}
0c866a7e
RV		 4611static inline int tswapid(int id)
4612{
4613 return tswap16(id);
4614}
4615#else /* !USE_UID16 */
4616static inline int high2lowuid(int uid)
4617{
4618 return uid;
4619}
4620static inline int high2lowgid(int gid)
4621{
4622 return gid;
4623}
4624static inline int low2highuid(int uid)
4625{
4626 return uid;
4627}
4628static inline int low2highgid(int gid)
4629{
4630 return gid;
4631}
4632static inline int tswapid(int id)
4633{
4634 return tswap32(id);
4635}
67867308 4636#endif /* USE_UID16 */
1b6b029e 4637
31e31b8a
FB		 4638void syscall_init(void)
4639{
2ab83ea7
FB		 4640 IOCTLEntry *ie;
4641 const argtype *arg_type;
4642 int size;
b92c47c1 4643 int i;
2ab83ea7 4644
001faf32 4645#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 4646#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 4647#include "syscall_types.h"
4648#undef STRUCT
4649#undef STRUCT_SPECIAL
2ab83ea7 4650
dd6e957a
PM		 4651 /* Build target_to_host_errno_table[] table from
4652 * host_to_target_errno_table[]. */
4653 for (i = 0; i < ERRNO_TABLE_SIZE; i++) {
4654 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4655 }
4656
2ab83ea7
FB		 4657 /* we patch the ioctl size if necessary. We rely on the fact that
4658 no ioctl has all the bits at '1' in the size field */
4659 ie = ioctl_entries;
4660 while (ie->target_cmd != 0) {
4661 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4662 TARGET_IOC_SIZEMASK) {
4663 arg_type = ie->arg_type;
4664 if (arg_type[0] != TYPE_PTR) {
5fafdf24 4665 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 4666 ie->target_cmd);
4667 exit(1);
4668 }
4669 arg_type++;
4670 size = thunk_type_size(arg_type, 0);
5fafdf24 4671 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 4672 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4673 (size << TARGET_IOC_SIZESHIFT);
4674 }
b92c47c1 4675
2ab83ea7 4676 /* automatic consistency check if same arch */
872ea0c0
AZ		 4677#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4678 (defined(__x86_64__) && defined(TARGET_X86_64))
4679 if (unlikely(ie->target_cmd != ie->host_cmd)) {
4680 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4681 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 4682 }
4683#endif
4684 ie++;
4685 }
31e31b8a 4686}
c573ff67 4687
992f48a0 4688#if TARGET_ABI_BITS == 32
ce4defa0
PB		 4689static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4690{
af325d36 4691#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 4692 return ((uint64_t)word0 << 32) | word1;
4693#else
4694 return ((uint64_t)word1 << 32) | word0;
4695#endif
4696}
992f48a0 4697#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 4698static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4699{
4700 return word0;
4701}
992f48a0 4702#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 4703
4704#ifdef TARGET_NR_truncate64
992f48a0
BS		 4705static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4706 abi_long arg2,
4707 abi_long arg3,
4708 abi_long arg4)
ce4defa0 4709{
48e515d4 4710 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4711 arg2 = arg3;
4712 arg3 = arg4;
48e515d4 4713 }
ce4defa0
PB		 4714 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4715}
4716#endif
4717
4718#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 4719static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4720 abi_long arg2,
4721 abi_long arg3,
4722 abi_long arg4)
ce4defa0 4723{
48e515d4 4724 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4725 arg2 = arg3;
4726 arg3 = arg4;
48e515d4 4727 }
ce4defa0
PB		 4728 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4729}
4730#endif
4731
579a97f7
FB		 4732static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4733 abi_ulong target_addr)
53a5960a
PB		 4734{
4735 struct target_timespec *target_ts;
4736
579a97f7
FB		 4737 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4738 return -TARGET_EFAULT;
cbb21eed
MB		 4739 host_ts->tv_sec = tswapal(target_ts->tv_sec);
4740 host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
53a5960a 4741 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 4742 return 0;
53a5960a
PB		 4743}
4744
579a97f7
FB		 4745static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4746 struct timespec *host_ts)
53a5960a
PB		 4747{
4748 struct target_timespec *target_ts;
4749
579a97f7
FB		 4750 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4751 return -TARGET_EFAULT;
cbb21eed
MB		 4752 target_ts->tv_sec = tswapal(host_ts->tv_sec);
4753 target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
53a5960a 4754 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 4755 return 0;
53a5960a
PB		 4756}
4757
9d33b76b 4758#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 4759static inline abi_long host_to_target_stat64(void *cpu_env,
4760 abi_ulong target_addr,
4761 struct stat *host_st)
4762{
4763#ifdef TARGET_ARM
4764 if (((CPUARMState *)cpu_env)->eabi) {
4765 struct target_eabi_stat64 *target_st;
4766
4767 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4768 return -TARGET_EFAULT;
4769 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4770 __put_user(host_st->st_dev, &target_st->st_dev);
4771 __put_user(host_st->st_ino, &target_st->st_ino);
4772#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4773 __put_user(host_st->st_ino, &target_st->__st_ino);
4774#endif
4775 __put_user(host_st->st_mode, &target_st->st_mode);
4776 __put_user(host_st->st_nlink, &target_st->st_nlink);
4777 __put_user(host_st->st_uid, &target_st->st_uid);
4778 __put_user(host_st->st_gid, &target_st->st_gid);
4779 __put_user(host_st->st_rdev, &target_st->st_rdev);
4780 __put_user(host_st->st_size, &target_st->st_size);
4781 __put_user(host_st->st_blksize, &target_st->st_blksize);
4782 __put_user(host_st->st_blocks, &target_st->st_blocks);
4783 __put_user(host_st->st_atime, &target_st->target_st_atime);
4784 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4785 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4786 unlock_user_struct(target_st, target_addr, 1);
4787 } else
4788#endif
4789 {
ed18c5ce 4790#if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
9d33b76b
AJ		 4791 struct target_stat *target_st;
4792#else
6a24a778 4793 struct target_stat64 *target_st;
9d33b76b 4794#endif
6a24a778
AZ		 4795
4796 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4797 return -TARGET_EFAULT;
9d33b76b 4798 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4799 __put_user(host_st->st_dev, &target_st->st_dev);
4800 __put_user(host_st->st_ino, &target_st->st_ino);
4801#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4802 __put_user(host_st->st_ino, &target_st->__st_ino);
4803#endif
4804 __put_user(host_st->st_mode, &target_st->st_mode);
4805 __put_user(host_st->st_nlink, &target_st->st_nlink);
4806 __put_user(host_st->st_uid, &target_st->st_uid);
4807 __put_user(host_st->st_gid, &target_st->st_gid);
4808 __put_user(host_st->st_rdev, &target_st->st_rdev);
4809 /* XXX: better use of kernel struct */
4810 __put_user(host_st->st_size, &target_st->st_size);
4811 __put_user(host_st->st_blksize, &target_st->st_blksize);
4812 __put_user(host_st->st_blocks, &target_st->st_blocks);
4813 __put_user(host_st->st_atime, &target_st->target_st_atime);
4814 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4815 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4816 unlock_user_struct(target_st, target_addr, 1);
4817 }
4818
4819 return 0;
4820}
4821#endif
4822
2f7bb878 4823#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 4824/* ??? Using host futex calls even when target atomic operations
4825 are not really atomic probably breaks things. However implementing
4826 futexes locally would make futexes shared between multiple processes
4827 tricky. However they're probably useless because guest atomic
4828 operations won't work either. */
8fcd3692
BS		 4829static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4830 target_ulong uaddr2, int val3)
bd0c5661
PB		 4831{
4832 struct timespec ts, *pts;
a16aae0c 4833 int base_op;
bd0c5661
PB		 4834
4835 /* ??? We assume FUTEX_* constants are the same on both host
4836 and target. */
a29ccd63 4837#ifdef FUTEX_CMD_MASK
a16aae0c 4838 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4839#else
a16aae0c 4840 base_op = op;
a29ccd63 4841#endif
a16aae0c 4842 switch (base_op) {
bd0c5661
PB		 4843 case FUTEX_WAIT:
4844 if (timeout) {
4845 pts = &ts;
4846 target_to_host_timespec(pts, timeout);
4847 } else {
4848 pts = NULL;
4849 }
a29ccd63 4850 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4851 pts, NULL, 0));
4852 case FUTEX_WAKE:
a29ccd63 4853 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4854 case FUTEX_FD:
a29ccd63 4855 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4856 case FUTEX_REQUEUE:
bd0c5661 4857 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4858 case FUTEX_WAKE_OP:
4859 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4860 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4861 But the prototype takes a `struct timespec *'; insert casts
4862 to satisfy the compiler. We do not need to tswap TIMEOUT
4863 since it's not compared to guest memory. */
4864 pts = (struct timespec *)(uintptr_t) timeout;
4865 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4866 g2h(uaddr2),
4867 (base_op == FUTEX_CMP_REQUEUE
4868 ? tswap32(val3)
4869 : val3)));
bd0c5661
PB		 4870 default:
4871 return -TARGET_ENOSYS;
4872 }
4873}
4874#endif
4875
1d9d8b55
PB		 4876/* Map host to target signal numbers for the wait family of syscalls.
4877 Assume all other status bits are the same. */
4878static int host_to_target_waitstatus(int status)
4879{
4880 if (WIFSIGNALED(status)) {
4881 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4882 }
4883 if (WIFSTOPPED(status)) {
4884 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4885 | (status & 0xff);
4886 }
4887 return status;
4888}
4889
a745ec6d
PB		 4890int get_osversion(void)
4891{
4892 static int osversion;
4893 struct new_utsname buf;
4894 const char *s;
4895 int i, n, tmp;
4896 if (osversion)
4897 return osversion;
4898 if (qemu_uname_release && *qemu_uname_release) {
4899 s = qemu_uname_release;
4900 } else {
4901 if (sys_uname(&buf))
4902 return 0;
4903 s = buf.release;
4904 }
4905 tmp = 0;
4906 for (i = 0; i < 3; i++) {
4907 n = 0;
4908 while (*s >= '0' && *s <= '9') {
4909 n *= 10;
4910 n += *s - '0';
4911 s++;
4912 }
4913 tmp = (tmp << 8) + n;
4914 if (*s == '.')
4915 s++;
4916 }
4917 osversion = tmp;
4918 return osversion;
4919}
4920
36c08d49
AG		 4921
4922static int open_self_maps(void *cpu_env, int fd)
4923{
1a49ef2a 4924#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
9349b4f9 4925 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
1a49ef2a
AG		 4926#endif
4927 FILE *fp;
4928 char *line = NULL;
4929 size_t len = 0;
4930 ssize_t read;
4931
4932 fp = fopen("/proc/self/maps", "r");
4933 if (fp == NULL) {
4934 return -EACCES;
4935 }
36c08d49 4936
1a49ef2a
AG		 4937 while ((read = getline(&line, &len, fp)) != -1) {
4938 int fields, dev_maj, dev_min, inode;
4939 uint64_t min, max, offset;
4940 char flag_r, flag_w, flag_x, flag_p;
4941 char path[512] = "";
4942 fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
4943 " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
4944 &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
4945
4946 if ((fields < 10) || (fields > 11)) {
4947 continue;
4948 }
4949 if (!strncmp(path, "[stack]", 7)) {
4950 continue;
4951 }
4952 if (h2g_valid(min) && h2g_valid(max)) {
4953 dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
4954 " %c%c%c%c %08" PRIx64 " %02x:%02x %d%s%s\n",
4955 h2g(min), h2g(max), flag_r, flag_w,
4956 flag_x, flag_p, offset, dev_maj, dev_min, inode,
4957 path[0] ? " " : "", path);
4958 }
4959 }
4960
4961 free(line);
4962 fclose(fp);
4963
4964#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
36c08d49
AG		 4965 dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
4966 (unsigned long long)ts->info->stack_limit,
4967 (unsigned long long)(ts->stack_base + (TARGET_PAGE_SIZE - 1))
4968 & TARGET_PAGE_MASK,
1a49ef2a
AG		 4969 (unsigned long long)0);
4970#endif
36c08d49
AG		 4971
4972 return 0;
4973}
4974
480b8e7d
AG		 4975static int open_self_stat(void *cpu_env, int fd)
4976{
9349b4f9 4977 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
480b8e7d
AG		 4978 abi_ulong start_stack = ts->info->start_stack;
4979 int i;
4980
4981 for (i = 0; i < 44; i++) {
4982 char buf[128];
4983 int len;
4984 uint64_t val = 0;
4985
e0e65bee
FE		 4986 if (i == 0) {
4987 /* pid */
4988 val = getpid();
4989 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
4990 } else if (i == 1) {
4991 /* app name */
4992 snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
4993 } else if (i == 27) {
4994 /* stack bottom */
4995 val = start_stack;
4996 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
4997 } else {
4998 /* for the rest, there is MasterCard */
4999 snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
480b8e7d 5000 }
e0e65bee 5001
480b8e7d
AG		 5002 len = strlen(buf);
5003 if (write(fd, buf, len) != len) {
5004 return -1;
5005 }
5006 }
5007
5008 return 0;
5009}
5010
257450ee
AG		 5011static int open_self_auxv(void *cpu_env, int fd)
5012{
9349b4f9 5013 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
257450ee
AG		 5014 abi_ulong auxv = ts->info->saved_auxv;
5015 abi_ulong len = ts->info->auxv_len;
5016 char *ptr;
5017
5018 /*
5019 * Auxiliary vector is stored in target process stack.
5020 * read in whole auxv vector and copy it to file
5021 */
5022 ptr = lock_user(VERIFY_READ, auxv, len, 0);
5023 if (ptr != NULL) {
5024 while (len > 0) {
5025 ssize_t r;
5026 r = write(fd, ptr, len);
5027 if (r <= 0) {
5028 break;
5029 }
5030 len -= r;
5031 ptr += r;
5032 }
5033 lseek(fd, 0, SEEK_SET);
5034 unlock_user(ptr, auxv, len);
5035 }
5036
5037 return 0;
5038}
5039
3be14d05
AG		 5040static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode)
5041{
5042 struct fake_open {
5043 const char *filename;
5044 int (*fill)(void *cpu_env, int fd);
5045 };
5046 const struct fake_open *fake_open;
5047 static const struct fake_open fakes[] = {
36c08d49 5048 { "/proc/self/maps", open_self_maps },
480b8e7d 5049 { "/proc/self/stat", open_self_stat },
257450ee 5050 { "/proc/self/auxv", open_self_auxv },
3be14d05
AG		 5051 { NULL, NULL }
5052 };
5053
5054 for (fake_open = fakes; fake_open->filename; fake_open++) {
5055 if (!strncmp(pathname, fake_open->filename,
5056 strlen(fake_open->filename))) {
5057 break;
5058 }
5059 }
5060
5061 if (fake_open->filename) {
5062 const char *tmpdir;
5063 char filename[PATH_MAX];
5064 int fd, r;
5065
5066 /* create temporary file to map stat to */
5067 tmpdir = getenv("TMPDIR");
5068 if (!tmpdir)
5069 tmpdir = "/tmp";
5070 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
5071 fd = mkstemp(filename);
5072 if (fd < 0) {
5073 return fd;
5074 }
5075 unlink(filename);
5076
5077 if ((r = fake_open->fill(cpu_env, fd))) {
5078 close(fd);
5079 return r;
5080 }
5081 lseek(fd, 0, SEEK_SET);
5082
5083 return fd;
5084 }
5085
5086 return get_errno(open(path(pathname), flags, mode));
5087}
5088
0da46a6e
TS		 5089/* do_syscall() should always have a single exit point at the end so
5090 that actions, such as logging of syscall results, can be performed.
5091 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 5092abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
5093 abi_long arg2, abi_long arg3, abi_long arg4,
5945cfcb
PM		 5094 abi_long arg5, abi_long arg6, abi_long arg7,
5095 abi_long arg8)
31e31b8a 5096{
992f48a0 5097 abi_long ret;
31e31b8a 5098 struct stat st;
56c8f68f 5099 struct statfs stfs;
53a5960a 5100 void *p;
3b46e624 5101
72f03900 5102#ifdef DEBUG
c573ff67 5103 gemu_log("syscall %d", num);
72f03900 5104#endif
b92c47c1
TS		 5105 if(do_strace)
5106 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
5107
31e31b8a
FB		 5108 switch(num) {
5109 case TARGET_NR_exit:
2f7bb878 5110#ifdef CONFIG_USE_NPTL
c2764719
PB		 5111 /* In old applications this may be used to implement _exit(2).
5112 However in threaded applictions it is used for thread termination,
5113 and _exit_group is used for application termination.
5114 Do thread termination if we have more then one thread. */
5115 /* FIXME: This probably breaks if a signal arrives. We should probably
5116 be disabling signals. */
5117 if (first_cpu->next_cpu) {
1e9fa730 5118 TaskState *ts;
9349b4f9
AF		 5119 CPUArchState **lastp;
5120 CPUArchState *p;
c2764719
PB		 5121
5122 cpu_list_lock();
5123 lastp = &first_cpu;
5124 p = first_cpu;
9349b4f9 5125 while (p && p != (CPUArchState *)cpu_env) {
c2764719
PB		 5126 lastp = &p->next_cpu;
5127 p = p->next_cpu;
5128 }
5129 /* If we didn't find the CPU for this thread then something is
5130 horribly wrong. */
5131 if (!p)
5132 abort();
5133 /* Remove the CPU from the list. */
5134 *lastp = p->next_cpu;
5135 cpu_list_unlock();
9349b4f9 5136 ts = ((CPUArchState *)cpu_env)->opaque;
c2764719
PB		 5137 if (ts->child_tidptr) {
5138 put_user_u32(0, ts->child_tidptr);
5139 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
5140 NULL, NULL, 0);
5141 }
48e15fc2 5142 thread_env = NULL;
11ea4090 5143 object_delete(OBJECT(ENV_GET_CPU(cpu_env)));
7267c094 5144 g_free(ts);
c2764719
PB		 5145 pthread_exit(NULL);
5146 }
5147#endif
9788c9ca 5148#ifdef TARGET_GPROF
7d13299d
FB		 5149 _mcleanup();
5150#endif
e9009676 5151 gdb_exit(cpu_env, arg1);
c2764719 5152 _exit(arg1);
31e31b8a
FB		 5153 ret = 0; /* avoid warning */
5154 break;
5155 case TARGET_NR_read:
38d840e6
AJ		 5156 if (arg3 == 0)
5157 ret = 0;
5158 else {
5159 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5160 goto efault;
5161 ret = get_errno(read(arg1, p, arg3));
5162 unlock_user(p, arg2, ret);
5163 }
31e31b8a
FB		 5164 break;
5165 case TARGET_NR_write:
579a97f7
FB		 5166 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5167 goto efault;
53a5960a
PB		 5168 ret = get_errno(write(arg1, p, arg3));
5169 unlock_user(p, arg2, 0);
31e31b8a
FB		 5170 break;
5171 case TARGET_NR_open:
2f619698
FB		 5172 if (!(p = lock_user_string(arg1)))
5173 goto efault;
3be14d05
AG		 5174 ret = get_errno(do_open(cpu_env, p,
5175 target_to_host_bitmask(arg2, fcntl_flags_tbl),
5176 arg3));
53a5960a 5177 unlock_user(p, arg1, 0);
31e31b8a 5178 break;
82424832
TS		 5179#if defined(TARGET_NR_openat) && defined(__NR_openat)
5180 case TARGET_NR_openat:
579a97f7
FB		 5181 if (!(p = lock_user_string(arg2)))
5182 goto efault;
5183 ret = get_errno(sys_openat(arg1,
5184 path(p),
5185 target_to_host_bitmask(arg3, fcntl_flags_tbl),
5186 arg4));
5187 unlock_user(p, arg2, 0);
82424832
TS		 5188 break;
5189#endif
31e31b8a
FB		 5190 case TARGET_NR_close:
5191 ret = get_errno(close(arg1));
5192 break;
5193 case TARGET_NR_brk:
53a5960a 5194 ret = do_brk(arg1);
31e31b8a
FB		 5195 break;
5196 case TARGET_NR_fork:
d865bab5 5197 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 5198 break;
e5febef5 5199#ifdef TARGET_NR_waitpid
31e31b8a
FB		 5200 case TARGET_NR_waitpid:
5201 {
53a5960a
PB		 5202 int status;
5203 ret = get_errno(waitpid(arg1, &status, arg3));
5379557b 5204 if (!is_error(ret) && arg2 && ret
1d9d8b55 5205 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 5206 goto efault;
31e31b8a
FB		 5207 }
5208 break;
e5febef5 5209#endif
f0cbb613
PB		 5210#ifdef TARGET_NR_waitid
5211 case TARGET_NR_waitid:
5212 {
5213 siginfo_t info;
5214 info.si_pid = 0;
5215 ret = get_errno(waitid(arg1, arg2, &info, arg4));
5216 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 5217 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 5218 goto efault;
5219 host_to_target_siginfo(p, &info);
c227f099 5220 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 5221 }
5222 }
5223 break;
5224#endif
7a3148a9 5225#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 5226 case TARGET_NR_creat:
579a97f7
FB		 5227 if (!(p = lock_user_string(arg1)))
5228 goto efault;
53a5960a
PB		 5229 ret = get_errno(creat(p, arg2));
5230 unlock_user(p, arg1, 0);
31e31b8a 5231 break;
7a3148a9 5232#endif
31e31b8a 5233 case TARGET_NR_link:
53a5960a
PB		 5234 {
5235 void * p2;
5236 p = lock_user_string(arg1);
5237 p2 = lock_user_string(arg2);
579a97f7
FB		 5238 if (!p || !p2)
5239 ret = -TARGET_EFAULT;
5240 else
5241 ret = get_errno(link(p, p2));
53a5960a
PB		 5242 unlock_user(p2, arg2, 0);
5243 unlock_user(p, arg1, 0);
5244 }
31e31b8a 5245 break;
64f0ce4c
TS		 5246#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
5247 case TARGET_NR_linkat:
64f0ce4c
TS		 5248 {
5249 void * p2 = NULL;
579a97f7
FB		 5250 if (!arg2 || !arg4)
5251 goto efault;
64f0ce4c
TS		 5252 p = lock_user_string(arg2);
5253 p2 = lock_user_string(arg4);
579a97f7 5254 if (!p || !p2)
0da46a6e 5255 ret = -TARGET_EFAULT;
64f0ce4c
TS		 5256 else
5257 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 5258 unlock_user(p, arg2, 0);
5259 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 5260 }
5261 break;
5262#endif
31e31b8a 5263 case TARGET_NR_unlink:
579a97f7
FB		 5264 if (!(p = lock_user_string(arg1)))
5265 goto efault;
53a5960a
PB		 5266 ret = get_errno(unlink(p));
5267 unlock_user(p, arg1, 0);
31e31b8a 5268 break;
8170f56b
TS		 5269#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
5270 case TARGET_NR_unlinkat:
579a97f7
FB		 5271 if (!(p = lock_user_string(arg2)))
5272 goto efault;
5273 ret = get_errno(sys_unlinkat(arg1, p, arg3));
5274 unlock_user(p, arg2, 0);
ed494d87 5275 break;
b7d35e65 5276#endif
31e31b8a 5277 case TARGET_NR_execve:
7854b056
FB		 5278 {
5279 char **argp, **envp;
f7341ff4 5280 int argc, envc;
992f48a0
BS		 5281 abi_ulong gp;
5282 abi_ulong guest_argp;
5283 abi_ulong guest_envp;
5284 abi_ulong addr;
7854b056 5285 char **q;
a6f79cc9 5286 int total_size = 0;
7854b056 5287
f7341ff4 5288 argc = 0;
53a5960a 5289 guest_argp = arg2;
da94d263 5290 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5291 if (get_user_ual(addr, gp))
2f619698 5292 goto efault;
03aa1976 5293 if (!addr)
2f619698 5294 break;
7854b056 5295 argc++;
2f619698 5296 }
f7341ff4 5297 envc = 0;
53a5960a 5298 guest_envp = arg3;
da94d263 5299 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5300 if (get_user_ual(addr, gp))
2f619698 5301 goto efault;
03aa1976 5302 if (!addr)
2f619698 5303 break;
7854b056 5304 envc++;
2f619698 5305 }
7854b056 5306
f7341ff4
FB		 5307 argp = alloca((argc + 1) * sizeof(void *));
5308 envp = alloca((envc + 1) * sizeof(void *));
7854b056 5309
da94d263 5310 for (gp = guest_argp, q = argp; gp;
992f48a0 5311 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5312 if (get_user_ual(addr, gp))
5313 goto execve_efault;
53a5960a
PB		 5314 if (!addr)
5315 break;
2f619698
FB		 5316 if (!(*q = lock_user_string(addr)))
5317 goto execve_efault;
a6f79cc9 5318 total_size += strlen(*q) + 1;
53a5960a 5319 }
f7341ff4
FB		 5320 *q = NULL;
5321
da94d263 5322 for (gp = guest_envp, q = envp; gp;
992f48a0 5323 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5324 if (get_user_ual(addr, gp))
5325 goto execve_efault;
53a5960a
PB		 5326 if (!addr)
5327 break;
2f619698
FB		 5328 if (!(*q = lock_user_string(addr)))
5329 goto execve_efault;
a6f79cc9 5330 total_size += strlen(*q) + 1;
53a5960a 5331 }
f7341ff4 5332 *q = NULL;
7854b056 5333
a6f79cc9
UH		 5334 /* This case will not be caught by the host's execve() if its
5335 page size is bigger than the target's. */
5336 if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
5337 ret = -TARGET_E2BIG;
5338 goto execve_end;
5339 }
2f619698
FB		 5340 if (!(p = lock_user_string(arg1)))
5341 goto execve_efault;
53a5960a
PB		 5342 ret = get_errno(execve(p, argp, envp));
5343 unlock_user(p, arg1, 0);
5344
2f619698
FB		 5345 goto execve_end;
5346
5347 execve_efault:
5348 ret = -TARGET_EFAULT;
5349
5350 execve_end:
53a5960a 5351 for (gp = guest_argp, q = argp; *q;
992f48a0 5352 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5353 if (get_user_ual(addr, gp)
5354 || !addr)
5355 break;
53a5960a
PB		 5356 unlock_user(*q, addr, 0);
5357 }
5358 for (gp = guest_envp, q = envp; *q;
992f48a0 5359 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5360 if (get_user_ual(addr, gp)
5361 || !addr)
5362 break;
53a5960a
PB		 5363 unlock_user(*q, addr, 0);
5364 }
7854b056 5365 }
31e31b8a
FB		 5366 break;
5367 case TARGET_NR_chdir:
579a97f7
FB		 5368 if (!(p = lock_user_string(arg1)))
5369 goto efault;
53a5960a
PB		 5370 ret = get_errno(chdir(p));
5371 unlock_user(p, arg1, 0);
31e31b8a 5372 break;
a315a145 5373#ifdef TARGET_NR_time
31e31b8a
FB		 5374 case TARGET_NR_time:
5375 {
53a5960a
PB		 5376 time_t host_time;
5377 ret = get_errno(time(&host_time));
2f619698
FB		 5378 if (!is_error(ret)
5379 && arg1
5380 && put_user_sal(host_time, arg1))
5381 goto efault;
31e31b8a
FB		 5382 }
5383 break;
a315a145 5384#endif
31e31b8a 5385 case TARGET_NR_mknod:
579a97f7
FB		 5386 if (!(p = lock_user_string(arg1)))
5387 goto efault;
53a5960a
PB		 5388 ret = get_errno(mknod(p, arg2, arg3));
5389 unlock_user(p, arg1, 0);
31e31b8a 5390 break;
75ac37a0
TS		 5391#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
5392 case TARGET_NR_mknodat:
579a97f7
FB		 5393 if (!(p = lock_user_string(arg2)))
5394 goto efault;
5395 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
5396 unlock_user(p, arg2, 0);
75ac37a0
TS		 5397 break;
5398#endif
31e31b8a 5399 case TARGET_NR_chmod:
579a97f7
FB		 5400 if (!(p = lock_user_string(arg1)))
5401 goto efault;
53a5960a
PB		 5402 ret = get_errno(chmod(p, arg2));
5403 unlock_user(p, arg1, 0);
31e31b8a 5404 break;
ebc05488 5405#ifdef TARGET_NR_break
31e31b8a
FB		 5406 case TARGET_NR_break:
5407 goto unimplemented;
ebc05488
FB		 5408#endif
5409#ifdef TARGET_NR_oldstat
31e31b8a
FB		 5410 case TARGET_NR_oldstat:
5411 goto unimplemented;
ebc05488 5412#endif
31e31b8a
FB		 5413 case TARGET_NR_lseek:
5414 ret = get_errno(lseek(arg1, arg2, arg3));
5415 break;
9231733a
RH		 5416#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5417 /* Alpha specific */
7a3148a9 5418 case TARGET_NR_getxpid:
9231733a
RH		 5419 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
5420 ret = get_errno(getpid());
5421 break;
7a3148a9 5422#endif
9231733a
RH		 5423#ifdef TARGET_NR_getpid
5424 case TARGET_NR_getpid:
31e31b8a
FB		 5425 ret = get_errno(getpid());
5426 break;
9231733a 5427#endif
31e31b8a 5428 case TARGET_NR_mount:
80265918
TS		 5429 {
5430 /* need to look at the data field */
5431 void *p2, *p3;
5432 p = lock_user_string(arg1);
5433 p2 = lock_user_string(arg2);
5434 p3 = lock_user_string(arg3);
579a97f7
FB		 5435 if (!p || !p2 || !p3)
5436 ret = -TARGET_EFAULT;
dab46405 5437 else {
579a97f7
FB		 5438 /* FIXME - arg5 should be locked, but it isn't clear how to
5439 * do that since it's not guaranteed to be a NULL-terminated
5440 * string.
5441 */
dab46405
JSM		 5442 if ( ! arg5 )
5443 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
5444 else
5445 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
5446 }
579a97f7
FB		 5447 unlock_user(p, arg1, 0);
5448 unlock_user(p2, arg2, 0);
5449 unlock_user(p3, arg3, 0);
80265918
TS		 5450 break;
5451 }
e5febef5 5452#ifdef TARGET_NR_umount
31e31b8a 5453 case TARGET_NR_umount:
579a97f7
FB		 5454 if (!(p = lock_user_string(arg1)))
5455 goto efault;
53a5960a
PB		 5456 ret = get_errno(umount(p));
5457 unlock_user(p, arg1, 0);
31e31b8a 5458 break;
e5febef5 5459#endif
7a3148a9 5460#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 5461 case TARGET_NR_stime:
5462 {
53a5960a 5463 time_t host_time;
2f619698
FB		 5464 if (get_user_sal(host_time, arg1))
5465 goto efault;
53a5960a 5466 ret = get_errno(stime(&host_time));
31e31b8a
FB		 5467 }
5468 break;
7a3148a9 5469#endif
31e31b8a
FB		 5470 case TARGET_NR_ptrace:
5471 goto unimplemented;
7a3148a9 5472#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 5473 case TARGET_NR_alarm:
5474 ret = alarm(arg1);
5475 break;
7a3148a9 5476#endif
ebc05488 5477#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 5478 case TARGET_NR_oldfstat:
5479 goto unimplemented;
ebc05488 5480#endif
7a3148a9 5481#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 5482 case TARGET_NR_pause:
5483 ret = get_errno(pause());
5484 break;
7a3148a9 5485#endif
e5febef5 5486#ifdef TARGET_NR_utime
31e31b8a 5487 case TARGET_NR_utime:
ebc05488 5488 {
53a5960a
PB		 5489 struct utimbuf tbuf, *host_tbuf;
5490 struct target_utimbuf *target_tbuf;
5491 if (arg2) {
579a97f7
FB		 5492 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
5493 goto efault;
cbb21eed
MB		 5494 tbuf.actime = tswapal(target_tbuf->actime);
5495 tbuf.modtime = tswapal(target_tbuf->modtime);
53a5960a
PB		 5496 unlock_user_struct(target_tbuf, arg2, 0);
5497 host_tbuf = &tbuf;
f72e8ff4 5498 } else {
53a5960a 5499 host_tbuf = NULL;
f72e8ff4 5500 }
579a97f7
FB		 5501 if (!(p = lock_user_string(arg1)))
5502 goto efault;
53a5960a
PB		 5503 ret = get_errno(utime(p, host_tbuf));
5504 unlock_user(p, arg1, 0);
ebc05488
FB		 5505 }
5506 break;
e5febef5 5507#endif
978a66ff
FB		 5508 case TARGET_NR_utimes:
5509 {
978a66ff 5510 struct timeval *tvp, tv[2];
53a5960a 5511 if (arg2) {
788f5ec4
TS		 5512 if (copy_from_user_timeval(&tv[0], arg2)
5513 || copy_from_user_timeval(&tv[1],
5514 arg2 + sizeof(struct target_timeval)))
5515 goto efault;
978a66ff
FB		 5516 tvp = tv;
5517 } else {
5518 tvp = NULL;
5519 }
579a97f7
FB		 5520 if (!(p = lock_user_string(arg1)))
5521 goto efault;
53a5960a
PB		 5522 ret = get_errno(utimes(p, tvp));
5523 unlock_user(p, arg1, 0);
978a66ff
FB		 5524 }
5525 break;
ac8a6556
AZ		 5526#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
5527 case TARGET_NR_futimesat:
5528 {
5529 struct timeval *tvp, tv[2];
5530 if (arg3) {
5531 if (copy_from_user_timeval(&tv[0], arg3)
5532 || copy_from_user_timeval(&tv[1],
5533 arg3 + sizeof(struct target_timeval)))
5534 goto efault;
5535 tvp = tv;
5536 } else {
5537 tvp = NULL;
5538 }
5539 if (!(p = lock_user_string(arg2)))
5540 goto efault;
5541 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
5542 unlock_user(p, arg2, 0);
5543 }
5544 break;
5545#endif
ebc05488 5546#ifdef TARGET_NR_stty
31e31b8a
FB		 5547 case TARGET_NR_stty:
5548 goto unimplemented;
ebc05488
FB		 5549#endif
5550#ifdef TARGET_NR_gtty
31e31b8a
FB		 5551 case TARGET_NR_gtty:
5552 goto unimplemented;
ebc05488 5553#endif
31e31b8a 5554 case TARGET_NR_access:
579a97f7
FB		 5555 if (!(p = lock_user_string(arg1)))
5556 goto efault;
719f908e 5557 ret = get_errno(access(path(p), arg2));
53a5960a 5558 unlock_user(p, arg1, 0);
31e31b8a 5559 break;
92a34c10
TS		 5560#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5561 case TARGET_NR_faccessat:
579a97f7
FB		 5562 if (!(p = lock_user_string(arg2)))
5563 goto efault;
465c9f06 5564 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 5565 unlock_user(p, arg2, 0);
92a34c10
TS		 5566 break;
5567#endif
7a3148a9 5568#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 5569 case TARGET_NR_nice:
5570 ret = get_errno(nice(arg1));
5571 break;
7a3148a9 5572#endif
ebc05488 5573#ifdef TARGET_NR_ftime
31e31b8a
FB		 5574 case TARGET_NR_ftime:
5575 goto unimplemented;
ebc05488 5576#endif
31e31b8a 5577 case TARGET_NR_sync:
04369ff2
FB		 5578 sync();
5579 ret = 0;
31e31b8a
FB		 5580 break;
5581 case TARGET_NR_kill:
4cb05961 5582 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 5583 break;
5584 case TARGET_NR_rename:
53a5960a
PB		 5585 {
5586 void *p2;
5587 p = lock_user_string(arg1);
5588 p2 = lock_user_string(arg2);
579a97f7
FB		 5589 if (!p || !p2)
5590 ret = -TARGET_EFAULT;
5591 else
5592 ret = get_errno(rename(p, p2));
53a5960a
PB		 5593 unlock_user(p2, arg2, 0);
5594 unlock_user(p, arg1, 0);
5595 }
31e31b8a 5596 break;
722183f6
TS		 5597#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
5598 case TARGET_NR_renameat:
722183f6 5599 {
579a97f7 5600 void *p2;
722183f6
TS		 5601 p = lock_user_string(arg2);
5602 p2 = lock_user_string(arg4);
579a97f7 5603 if (!p || !p2)
0da46a6e 5604 ret = -TARGET_EFAULT;
722183f6
TS		 5605 else
5606 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 5607 unlock_user(p2, arg4, 0);
5608 unlock_user(p, arg2, 0);
722183f6
TS		 5609 }
5610 break;
5611#endif
31e31b8a 5612 case TARGET_NR_mkdir:
579a97f7
FB		 5613 if (!(p = lock_user_string(arg1)))
5614 goto efault;
53a5960a
PB		 5615 ret = get_errno(mkdir(p, arg2));
5616 unlock_user(p, arg1, 0);
31e31b8a 5617 break;
4472ad0d
TS		 5618#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
5619 case TARGET_NR_mkdirat:
579a97f7
FB		 5620 if (!(p = lock_user_string(arg2)))
5621 goto efault;
5622 ret = get_errno(sys_mkdirat(arg1, p, arg3));
5623 unlock_user(p, arg2, 0);
4472ad0d
TS		 5624 break;
5625#endif
31e31b8a 5626 case TARGET_NR_rmdir:
579a97f7
FB		 5627 if (!(p = lock_user_string(arg1)))
5628 goto efault;
53a5960a
PB		 5629 ret = get_errno(rmdir(p));
5630 unlock_user(p, arg1, 0);
31e31b8a
FB		 5631 break;
5632 case TARGET_NR_dup:
5633 ret = get_errno(dup(arg1));
5634 break;
5635 case TARGET_NR_pipe:
fb41a66e 5636 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f
RV		 5637 break;
5638#ifdef TARGET_NR_pipe2
5639 case TARGET_NR_pipe2:
e7ea6cbe
RH		 5640 ret = do_pipe(cpu_env, arg1,
5641 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
31e31b8a 5642 break;
099d6b0f 5643#endif
31e31b8a 5644 case TARGET_NR_times:
32f36bce 5645 {
53a5960a 5646 struct target_tms *tmsp;
32f36bce
FB		 5647 struct tms tms;
5648 ret = get_errno(times(&tms));
53a5960a 5649 if (arg1) {
579a97f7
FB		 5650 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
5651 if (!tmsp)
5652 goto efault;
cbb21eed
MB		 5653 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
5654 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
5655 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
5656 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
32f36bce 5657 }
c596ed17
FB		 5658 if (!is_error(ret))
5659 ret = host_to_target_clock_t(ret);
32f36bce
FB		 5660 }
5661 break;
ebc05488 5662#ifdef TARGET_NR_prof
31e31b8a
FB		 5663 case TARGET_NR_prof:
5664 goto unimplemented;
ebc05488 5665#endif
e5febef5 5666#ifdef TARGET_NR_signal
31e31b8a
FB		 5667 case TARGET_NR_signal:
5668 goto unimplemented;
e5febef5 5669#endif
31e31b8a 5670 case TARGET_NR_acct:
38d840e6
AJ		 5671 if (arg1 == 0) {
5672 ret = get_errno(acct(NULL));
5673 } else {
5674 if (!(p = lock_user_string(arg1)))
5675 goto efault;
5676 ret = get_errno(acct(path(p)));
5677 unlock_user(p, arg1, 0);
5678 }
24836689 5679 break;
7a3148a9 5680#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 5681 case TARGET_NR_umount2:
579a97f7
FB		 5682 if (!(p = lock_user_string(arg1)))
5683 goto efault;
53a5960a
PB		 5684 ret = get_errno(umount2(p, arg2));
5685 unlock_user(p, arg1, 0);
31e31b8a 5686 break;
7a3148a9 5687#endif
ebc05488 5688#ifdef TARGET_NR_lock
31e31b8a
FB		 5689 case TARGET_NR_lock:
5690 goto unimplemented;
ebc05488 5691#endif
31e31b8a
FB		 5692 case TARGET_NR_ioctl:
5693 ret = do_ioctl(arg1, arg2, arg3);
5694 break;
5695 case TARGET_NR_fcntl:
9ee1fa2c 5696 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 5697 break;
ebc05488 5698#ifdef TARGET_NR_mpx
31e31b8a
FB		 5699 case TARGET_NR_mpx:
5700 goto unimplemented;
ebc05488 5701#endif
31e31b8a
FB		 5702 case TARGET_NR_setpgid:
5703 ret = get_errno(setpgid(arg1, arg2));
5704 break;
ebc05488 5705#ifdef TARGET_NR_ulimit
31e31b8a
FB		 5706 case TARGET_NR_ulimit:
5707 goto unimplemented;
ebc05488
FB		 5708#endif
5709#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 5710 case TARGET_NR_oldolduname:
5711 goto unimplemented;
ebc05488 5712#endif
31e31b8a
FB		 5713 case TARGET_NR_umask:
5714 ret = get_errno(umask(arg1));
5715 break;
5716 case TARGET_NR_chroot:
579a97f7
FB		 5717 if (!(p = lock_user_string(arg1)))
5718 goto efault;
53a5960a
PB		 5719 ret = get_errno(chroot(p));
5720 unlock_user(p, arg1, 0);
31e31b8a
FB		 5721 break;
5722 case TARGET_NR_ustat:
5723 goto unimplemented;
5724 case TARGET_NR_dup2:
5725 ret = get_errno(dup2(arg1, arg2));
5726 break;
d0927938
UH		 5727#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5728 case TARGET_NR_dup3:
5729 ret = get_errno(dup3(arg1, arg2, arg3));
5730 break;
5731#endif
7a3148a9 5732#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 5733 case TARGET_NR_getppid:
5734 ret = get_errno(getppid());
5735 break;
7a3148a9 5736#endif
31e31b8a
FB		 5737 case TARGET_NR_getpgrp:
5738 ret = get_errno(getpgrp());
5739 break;
5740 case TARGET_NR_setsid:
5741 ret = get_errno(setsid());
5742 break;
e5febef5 5743#ifdef TARGET_NR_sigaction
31e31b8a 5744 case TARGET_NR_sigaction:
31e31b8a 5745 {
6049f4f8
RH		 5746#if defined(TARGET_ALPHA)
5747 struct target_sigaction act, oact, *pact = 0;
53a5960a 5748 struct target_old_sigaction *old_act;
53a5960a 5749 if (arg2) {
579a97f7
FB		 5750 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5751 goto efault;
66fb9763
FB		 5752 act._sa_handler = old_act->_sa_handler;
5753 target_siginitset(&act.sa_mask, old_act->sa_mask);
5754 act.sa_flags = old_act->sa_flags;
6049f4f8 5755 act.sa_restorer = 0;
53a5960a 5756 unlock_user_struct(old_act, arg2, 0);
66fb9763 5757 pact = &act;
66fb9763
FB		 5758 }
5759 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 5760 if (!is_error(ret) && arg3) {
579a97f7
FB		 5761 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5762 goto efault;
53a5960a
PB		 5763 old_act->_sa_handler = oact._sa_handler;
5764 old_act->sa_mask = oact.sa_mask.sig[0];
5765 old_act->sa_flags = oact.sa_flags;
53a5960a 5766 unlock_user_struct(old_act, arg3, 1);
66fb9763 5767 }
6049f4f8 5768#elif defined(TARGET_MIPS)
106ec879
FB		 5769 struct target_sigaction act, oact, *pact, *old_act;
5770
5771 if (arg2) {
579a97f7
FB		 5772 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5773 goto efault;
106ec879
FB		 5774 act._sa_handler = old_act->_sa_handler;
5775 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
5776 act.sa_flags = old_act->sa_flags;
5777 unlock_user_struct(old_act, arg2, 0);
5778 pact = &act;
5779 } else {
5780 pact = NULL;
5781 }
5782
5783 ret = get_errno(do_sigaction(arg1, pact, &oact));
5784
5785 if (!is_error(ret) && arg3) {
579a97f7
FB		 5786 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5787 goto efault;
106ec879
FB		 5788 old_act->_sa_handler = oact._sa_handler;
5789 old_act->sa_flags = oact.sa_flags;
5790 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
5791 old_act->sa_mask.sig[1] = 0;
5792 old_act->sa_mask.sig[2] = 0;
5793 old_act->sa_mask.sig[3] = 0;
5794 unlock_user_struct(old_act, arg3, 1);
5795 }
6049f4f8
RH		 5796#else
5797 struct target_old_sigaction *old_act;
5798 struct target_sigaction act, oact, *pact;
5799 if (arg2) {
5800 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5801 goto efault;
5802 act._sa_handler = old_act->_sa_handler;
5803 target_siginitset(&act.sa_mask, old_act->sa_mask);
5804 act.sa_flags = old_act->sa_flags;
5805 act.sa_restorer = old_act->sa_restorer;
5806 unlock_user_struct(old_act, arg2, 0);
5807 pact = &act;
5808 } else {
5809 pact = NULL;
5810 }
5811 ret = get_errno(do_sigaction(arg1, pact, &oact));
5812 if (!is_error(ret) && arg3) {
5813 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5814 goto efault;
5815 old_act->_sa_handler = oact._sa_handler;
5816 old_act->sa_mask = oact.sa_mask.sig[0];
5817 old_act->sa_flags = oact.sa_flags;
5818 old_act->sa_restorer = oact.sa_restorer;
5819 unlock_user_struct(old_act, arg3, 1);
5820 }
388bb21a 5821#endif
31e31b8a
FB		 5822 }
5823 break;
e5febef5 5824#endif
66fb9763 5825 case TARGET_NR_rt_sigaction:
53a5960a 5826 {
6049f4f8
RH		 5827#if defined(TARGET_ALPHA)
5828 struct target_sigaction act, oact, *pact = 0;
5829 struct target_rt_sigaction *rt_act;
5830 /* ??? arg4 == sizeof(sigset_t). */
5831 if (arg2) {
5832 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
5833 goto efault;
5834 act._sa_handler = rt_act->_sa_handler;
5835 act.sa_mask = rt_act->sa_mask;
5836 act.sa_flags = rt_act->sa_flags;
5837 act.sa_restorer = arg5;
5838 unlock_user_struct(rt_act, arg2, 0);
5839 pact = &act;
5840 }
5841 ret = get_errno(do_sigaction(arg1, pact, &oact));
5842 if (!is_error(ret) && arg3) {
5843 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
5844 goto efault;
5845 rt_act->_sa_handler = oact._sa_handler;
5846 rt_act->sa_mask = oact.sa_mask;
5847 rt_act->sa_flags = oact.sa_flags;
5848 unlock_user_struct(rt_act, arg3, 1);
5849 }
5850#else
53a5960a
PB		 5851 struct target_sigaction *act;
5852 struct target_sigaction *oact;
5853
579a97f7
FB		 5854 if (arg2) {
5855 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
5856 goto efault;
5857 } else
53a5960a 5858 act = NULL;
579a97f7
FB		 5859 if (arg3) {
5860 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
5861 ret = -TARGET_EFAULT;
5862 goto rt_sigaction_fail;
5863 }
5864 } else
53a5960a
PB		 5865 oact = NULL;
5866 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 5867 rt_sigaction_fail:
5868 if (act)
53a5960a 5869 unlock_user_struct(act, arg2, 0);
579a97f7 5870 if (oact)
53a5960a 5871 unlock_user_struct(oact, arg3, 1);
6049f4f8 5872#endif
53a5960a 5873 }
66fb9763 5874 break;
7a3148a9 5875#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 5876 case TARGET_NR_sgetmask:
66fb9763
FB		 5877 {
5878 sigset_t cur_set;
992f48a0 5879 abi_ulong target_set;
66fb9763
FB		 5880 sigprocmask(0, NULL, &cur_set);
5881 host_to_target_old_sigset(&target_set, &cur_set);
5882 ret = target_set;
5883 }
5884 break;
7a3148a9
JM		 5885#endif
5886#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 5887 case TARGET_NR_ssetmask:
66fb9763
FB		 5888 {
5889 sigset_t set, oset, cur_set;
992f48a0 5890 abi_ulong target_set = arg1;
66fb9763
FB		 5891 sigprocmask(0, NULL, &cur_set);
5892 target_to_host_old_sigset(&set, &target_set);
5893 sigorset(&set, &set, &cur_set);
5894 sigprocmask(SIG_SETMASK, &set, &oset);
5895 host_to_target_old_sigset(&target_set, &oset);
5896 ret = target_set;
5897 }
5898 break;
7a3148a9 5899#endif
e5febef5 5900#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 5901 case TARGET_NR_sigprocmask:
5902 {
a5b3b13b
RH		 5903#if defined(TARGET_ALPHA)
5904 sigset_t set, oldset;
5905 abi_ulong mask;
5906 int how;
5907
5908 switch (arg1) {
5909 case TARGET_SIG_BLOCK:
5910 how = SIG_BLOCK;
5911 break;
5912 case TARGET_SIG_UNBLOCK:
5913 how = SIG_UNBLOCK;
5914 break;
5915 case TARGET_SIG_SETMASK:
5916 how = SIG_SETMASK;
5917 break;
5918 default:
5919 ret = -TARGET_EINVAL;
5920 goto fail;
5921 }
5922 mask = arg2;
5923 target_to_host_old_sigset(&set, &mask);
5924
5925 ret = get_errno(sigprocmask(how, &set, &oldset));
a5b3b13b
RH		 5926 if (!is_error(ret)) {
5927 host_to_target_old_sigset(&mask, &oldset);
5928 ret = mask;
0229f5a3 5929 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */
a5b3b13b
RH		 5930 }
5931#else
66fb9763 5932 sigset_t set, oldset, *set_ptr;
a5b3b13b 5933 int how;
3b46e624 5934
53a5960a 5935 if (arg2) {
a5b3b13b 5936 switch (arg1) {
66fb9763
FB		 5937 case TARGET_SIG_BLOCK:
5938 how = SIG_BLOCK;
5939 break;
5940 case TARGET_SIG_UNBLOCK:
5941 how = SIG_UNBLOCK;
5942 break;
5943 case TARGET_SIG_SETMASK:
5944 how = SIG_SETMASK;
5945 break;
5946 default:
0da46a6e 5947 ret = -TARGET_EINVAL;
66fb9763
FB		 5948 goto fail;
5949 }
c227f099 5950 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5951 goto efault;
53a5960a
PB		 5952 target_to_host_old_sigset(&set, p);
5953 unlock_user(p, arg2, 0);
66fb9763
FB		 5954 set_ptr = &set;
5955 } else {
5956 how = 0;
5957 set_ptr = NULL;
5958 }
a5b3b13b 5959 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5960 if (!is_error(ret) && arg3) {
c227f099 5961 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5962 goto efault;
53a5960a 5963 host_to_target_old_sigset(p, &oldset);
c227f099 5964 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 5965 }
a5b3b13b 5966#endif
66fb9763
FB		 5967 }
5968 break;
e5febef5 5969#endif
66fb9763
FB		 5970 case TARGET_NR_rt_sigprocmask:
5971 {
5972 int how = arg1;
5973 sigset_t set, oldset, *set_ptr;
3b46e624 5974
53a5960a 5975 if (arg2) {
66fb9763
FB		 5976 switch(how) {
5977 case TARGET_SIG_BLOCK:
5978 how = SIG_BLOCK;
5979 break;
5980 case TARGET_SIG_UNBLOCK:
5981 how = SIG_UNBLOCK;
5982 break;
5983 case TARGET_SIG_SETMASK:
5984 how = SIG_SETMASK;
5985 break;
5986 default:
0da46a6e 5987 ret = -TARGET_EINVAL;
66fb9763
FB		 5988 goto fail;
5989 }
c227f099 5990 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5991 goto efault;
53a5960a
PB		 5992 target_to_host_sigset(&set, p);
5993 unlock_user(p, arg2, 0);
66fb9763
FB		 5994 set_ptr = &set;
5995 } else {
5996 how = 0;
5997 set_ptr = NULL;
5998 }
5999 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 6000 if (!is_error(ret) && arg3) {
c227f099 6001 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6002 goto efault;
53a5960a 6003 host_to_target_sigset(p, &oldset);
c227f099 6004 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 6005 }
6006 }
6007 break;
e5febef5 6008#ifdef TARGET_NR_sigpending
66fb9763
FB		 6009 case TARGET_NR_sigpending:
6010 {
6011 sigset_t set;
6012 ret = get_errno(sigpending(&set));
6013 if (!is_error(ret)) {
c227f099 6014 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6015 goto efault;
53a5960a 6016 host_to_target_old_sigset(p, &set);
c227f099 6017 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6018 }
6019 }
6020 break;
e5febef5 6021#endif
66fb9763
FB		 6022 case TARGET_NR_rt_sigpending:
6023 {
6024 sigset_t set;
6025 ret = get_errno(sigpending(&set));
6026 if (!is_error(ret)) {
c227f099 6027 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6028 goto efault;
53a5960a 6029 host_to_target_sigset(p, &set);
c227f099 6030 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6031 }
6032 }
6033 break;
e5febef5 6034#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 6035 case TARGET_NR_sigsuspend:
6036 {
6037 sigset_t set;
f43ce12b
RH		 6038#if defined(TARGET_ALPHA)
6039 abi_ulong mask = arg1;
6040 target_to_host_old_sigset(&set, &mask);
6041#else
c227f099 6042 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6043 goto efault;
53a5960a
PB		 6044 target_to_host_old_sigset(&set, p);
6045 unlock_user(p, arg1, 0);
f43ce12b 6046#endif
66fb9763
FB		 6047 ret = get_errno(sigsuspend(&set));
6048 }
6049 break;
e5febef5 6050#endif
66fb9763
FB		 6051 case TARGET_NR_rt_sigsuspend:
6052 {
6053 sigset_t set;
c227f099 6054 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6055 goto efault;
53a5960a
PB		 6056 target_to_host_sigset(&set, p);
6057 unlock_user(p, arg1, 0);
66fb9763
FB		 6058 ret = get_errno(sigsuspend(&set));
6059 }
6060 break;
6061 case TARGET_NR_rt_sigtimedwait:
6062 {
66fb9763
FB		 6063 sigset_t set;
6064 struct timespec uts, *puts;
6065 siginfo_t uinfo;
3b46e624 6066
c227f099 6067 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6068 goto efault;
53a5960a
PB		 6069 target_to_host_sigset(&set, p);
6070 unlock_user(p, arg1, 0);
6071 if (arg3) {
66fb9763 6072 puts = &uts;
53a5960a 6073 target_to_host_timespec(puts, arg3);
66fb9763
FB		 6074 } else {
6075 puts = NULL;
6076 }
6077 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 6078 if (!is_error(ret) && arg2) {
c227f099 6079 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 6080 goto efault;
53a5960a 6081 host_to_target_siginfo(p, &uinfo);
c227f099 6082 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 6083 }
6084 }
6085 break;
6086 case TARGET_NR_rt_sigqueueinfo:
6087 {
6088 siginfo_t uinfo;
c227f099 6089 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 6090 goto efault;
53a5960a
PB		 6091 target_to_host_siginfo(&uinfo, p);
6092 unlock_user(p, arg1, 0);
66fb9763
FB		 6093 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
6094 }
6095 break;
e5febef5 6096#ifdef TARGET_NR_sigreturn
66fb9763
FB		 6097 case TARGET_NR_sigreturn:
6098 /* NOTE: ret is eax, so not transcoding must be done */
6099 ret = do_sigreturn(cpu_env);
6100 break;
e5febef5 6101#endif
66fb9763
FB		 6102 case TARGET_NR_rt_sigreturn:
6103 /* NOTE: ret is eax, so not transcoding must be done */
6104 ret = do_rt_sigreturn(cpu_env);
6105 break;
31e31b8a 6106 case TARGET_NR_sethostname:
579a97f7
FB		 6107 if (!(p = lock_user_string(arg1)))
6108 goto efault;
53a5960a
PB		 6109 ret = get_errno(sethostname(p, arg2));
6110 unlock_user(p, arg1, 0);
31e31b8a
FB		 6111 break;
6112 case TARGET_NR_setrlimit:
9de5e440 6113 {
e22b7015 6114 int resource = target_to_host_resource(arg1);
53a5960a 6115 struct target_rlimit *target_rlim;
9de5e440 6116 struct rlimit rlim;
579a97f7
FB		 6117 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
6118 goto efault;
81bbe906 6119 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
6120 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 6121 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 6122 ret = get_errno(setrlimit(resource, &rlim));
6123 }
6124 break;
31e31b8a 6125 case TARGET_NR_getrlimit:
9de5e440 6126 {
e22b7015 6127 int resource = target_to_host_resource(arg1);
53a5960a 6128 struct target_rlimit *target_rlim;
9de5e440 6129 struct rlimit rlim;
3b46e624 6130
9de5e440
FB		 6131 ret = get_errno(getrlimit(resource, &rlim));
6132 if (!is_error(ret)) {
579a97f7
FB		 6133 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6134 goto efault;
81bbe906 6135 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6136 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 6137 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 6138 }
6139 }
6140 break;
31e31b8a 6141 case TARGET_NR_getrusage:
b409186b
FB		 6142 {
6143 struct rusage rusage;
b409186b
FB		 6144 ret = get_errno(getrusage(arg1, &rusage));
6145 if (!is_error(ret)) {
53a5960a 6146 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 6147 }
6148 }
6149 break;
31e31b8a
FB		 6150 case TARGET_NR_gettimeofday:
6151 {
31e31b8a
FB		 6152 struct timeval tv;
6153 ret = get_errno(gettimeofday(&tv, NULL));
6154 if (!is_error(ret)) {
788f5ec4
TS		 6155 if (copy_to_user_timeval(arg1, &tv))
6156 goto efault;
31e31b8a
FB		 6157 }
6158 }
6159 break;
6160 case TARGET_NR_settimeofday:
6161 {
31e31b8a 6162 struct timeval tv;
788f5ec4
TS		 6163 if (copy_from_user_timeval(&tv, arg1))
6164 goto efault;
31e31b8a
FB		 6165 ret = get_errno(settimeofday(&tv, NULL));
6166 }
6167 break;
a4c075f1 6168#if defined(TARGET_NR_select) && !defined(TARGET_S390X) && !defined(TARGET_S390)
31e31b8a 6169 case TARGET_NR_select:
f2674e31 6170 {
53a5960a 6171 struct target_sel_arg_struct *sel;
992f48a0 6172 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 6173 long nsel;
6174
579a97f7
FB		 6175 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
6176 goto efault;
cbb21eed
MB		 6177 nsel = tswapal(sel->n);
6178 inp = tswapal(sel->inp);
6179 outp = tswapal(sel->outp);
6180 exp = tswapal(sel->exp);
6181 tvp = tswapal(sel->tvp);
53a5960a
PB		 6182 unlock_user_struct(sel, arg1, 0);
6183 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 6184 }
6185 break;
9e42382f
RV		 6186#endif
6187#ifdef TARGET_NR_pselect6
6188 case TARGET_NR_pselect6:
055e0906
MF		 6189 {
6190 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
6191 fd_set rfds, wfds, efds;
6192 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
6193 struct timespec ts, *ts_ptr;
6194
6195 /*
6196 * The 6th arg is actually two args smashed together,
6197 * so we cannot use the C library.
6198 */
6199 sigset_t set;
6200 struct {
6201 sigset_t *set;
6202 size_t size;
6203 } sig, *sig_ptr;
6204
6205 abi_ulong arg_sigset, arg_sigsize, *arg7;
6206 target_sigset_t *target_sigset;
6207
6208 n = arg1;
6209 rfd_addr = arg2;
6210 wfd_addr = arg3;
6211 efd_addr = arg4;
6212 ts_addr = arg5;
6213
6214 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
6215 if (ret) {
6216 goto fail;
6217 }
6218 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
6219 if (ret) {
6220 goto fail;
6221 }
6222 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
6223 if (ret) {
6224 goto fail;
6225 }
6226
6227 /*
6228 * This takes a timespec, and not a timeval, so we cannot
6229 * use the do_select() helper ...
6230 */
6231 if (ts_addr) {
6232 if (target_to_host_timespec(&ts, ts_addr)) {
6233 goto efault;
6234 }
6235 ts_ptr = &ts;
6236 } else {
6237 ts_ptr = NULL;
6238 }
6239
6240 /* Extract the two packed args for the sigset */
6241 if (arg6) {
6242 sig_ptr = &sig;
6243 sig.size = _NSIG / 8;
6244
6245 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
6246 if (!arg7) {
6247 goto efault;
6248 }
cbb21eed
MB		 6249 arg_sigset = tswapal(arg7[0]);
6250 arg_sigsize = tswapal(arg7[1]);
055e0906
MF		 6251 unlock_user(arg7, arg6, 0);
6252
6253 if (arg_sigset) {
6254 sig.set = &set;
8f04eeb3
PM		 6255 if (arg_sigsize != sizeof(*target_sigset)) {
6256 /* Like the kernel, we enforce correct size sigsets */
6257 ret = -TARGET_EINVAL;
6258 goto fail;
6259 }
055e0906
MF		 6260 target_sigset = lock_user(VERIFY_READ, arg_sigset,
6261 sizeof(*target_sigset), 1);
6262 if (!target_sigset) {
6263 goto efault;
6264 }
6265 target_to_host_sigset(&set, target_sigset);
6266 unlock_user(target_sigset, arg_sigset, 0);
6267 } else {
6268 sig.set = NULL;
6269 }
6270 } else {
6271 sig_ptr = NULL;
6272 }
6273
6274 ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
6275 ts_ptr, sig_ptr));
6276
6277 if (!is_error(ret)) {
6278 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
6279 goto efault;
6280 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
6281 goto efault;
6282 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
6283 goto efault;
6284
6285 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
6286 goto efault;
6287 }
6288 }
6289 break;
048f6b4d 6290#endif
31e31b8a 6291 case TARGET_NR_symlink:
53a5960a
PB		 6292 {
6293 void *p2;
6294 p = lock_user_string(arg1);
6295 p2 = lock_user_string(arg2);
579a97f7
FB		 6296 if (!p || !p2)
6297 ret = -TARGET_EFAULT;
6298 else
6299 ret = get_errno(symlink(p, p2));
53a5960a
PB		 6300 unlock_user(p2, arg2, 0);
6301 unlock_user(p, arg1, 0);
6302 }
31e31b8a 6303 break;
f0b6243d
TS		 6304#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
6305 case TARGET_NR_symlinkat:
f0b6243d 6306 {
579a97f7 6307 void *p2;
f0b6243d
TS		 6308 p = lock_user_string(arg1);
6309 p2 = lock_user_string(arg3);
579a97f7 6310 if (!p || !p2)
0da46a6e 6311 ret = -TARGET_EFAULT;
f0b6243d
TS		 6312 else
6313 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 6314 unlock_user(p2, arg3, 0);
6315 unlock_user(p, arg1, 0);
f0b6243d
TS		 6316 }
6317 break;
6318#endif
ebc05488 6319#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 6320 case TARGET_NR_oldlstat:
6321 goto unimplemented;
ebc05488 6322#endif
31e31b8a 6323 case TARGET_NR_readlink:
53a5960a 6324 {
d088d664 6325 void *p2, *temp;
53a5960a 6326 p = lock_user_string(arg1);
579a97f7
FB		 6327 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
6328 if (!p || !p2)
6329 ret = -TARGET_EFAULT;
d088d664
AJ		 6330 else {
6331 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
6332 char real[PATH_MAX];
6333 temp = realpath(exec_path,real);
6334 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
6335 snprintf((char *)p2, arg3, "%s", real);
6336 }
6337 else
6338 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 6339 }
53a5960a
PB		 6340 unlock_user(p2, arg2, ret);
6341 unlock_user(p, arg1, 0);
6342 }
31e31b8a 6343 break;
5e0ccb18
TS		 6344#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
6345 case TARGET_NR_readlinkat:
5e0ccb18 6346 {
579a97f7 6347 void *p2;
5e0ccb18 6348 p = lock_user_string(arg2);
579a97f7
FB		 6349 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
6350 if (!p || !p2)
0da46a6e 6351 ret = -TARGET_EFAULT;
5e0ccb18
TS		 6352 else
6353 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 6354 unlock_user(p2, arg3, ret);
6355 unlock_user(p, arg2, 0);
5e0ccb18
TS		 6356 }
6357 break;
6358#endif
e5febef5 6359#ifdef TARGET_NR_uselib
31e31b8a
FB		 6360 case TARGET_NR_uselib:
6361 goto unimplemented;
e5febef5
TS		 6362#endif
6363#ifdef TARGET_NR_swapon
31e31b8a 6364 case TARGET_NR_swapon:
579a97f7
FB		 6365 if (!(p = lock_user_string(arg1)))
6366 goto efault;
53a5960a
PB		 6367 ret = get_errno(swapon(p, arg2));
6368 unlock_user(p, arg1, 0);
31e31b8a 6369 break;
e5febef5 6370#endif
31e31b8a 6371 case TARGET_NR_reboot:
0f6b4d21
AG		 6372 if (!(p = lock_user_string(arg4)))
6373 goto efault;
6374 ret = reboot(arg1, arg2, arg3, p);
6375 unlock_user(p, arg4, 0);
6376 break;
e5febef5 6377#ifdef TARGET_NR_readdir
31e31b8a
FB		 6378 case TARGET_NR_readdir:
6379 goto unimplemented;
e5febef5
TS		 6380#endif
6381#ifdef TARGET_NR_mmap
31e31b8a 6382 case TARGET_NR_mmap:
a4c075f1
UH		 6383#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || \
6384 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6385 || defined(TARGET_S390X)
31e31b8a 6386 {
992f48a0
BS		 6387 abi_ulong *v;
6388 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 6389 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
6390 goto efault;
cbb21eed
MB		 6391 v1 = tswapal(v[0]);
6392 v2 = tswapal(v[1]);
6393 v3 = tswapal(v[2]);
6394 v4 = tswapal(v[3]);
6395 v5 = tswapal(v[4]);
6396 v6 = tswapal(v[5]);
53a5960a 6397 unlock_user(v, arg1, 0);
5fafdf24 6398 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 6399 target_to_host_bitmask(v4, mmap_flags_tbl),
6400 v5, v6));
31e31b8a 6401 }
31e31b8a 6402#else
5fafdf24
TS		 6403 ret = get_errno(target_mmap(arg1, arg2, arg3,
6404 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 6405 arg5,
6406 arg6));
31e31b8a 6407#endif
6fb883e8 6408 break;
e5febef5 6409#endif
a315a145 6410#ifdef TARGET_NR_mmap2
6fb883e8 6411 case TARGET_NR_mmap2:
bb7ec043 6412#ifndef MMAP_SHIFT
c573ff67 6413#define MMAP_SHIFT 12
c573ff67 6414#endif
5fafdf24
TS		 6415 ret = get_errno(target_mmap(arg1, arg2, arg3,
6416 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 6417 arg5,
c573ff67 6418 arg6 << MMAP_SHIFT));
31e31b8a 6419 break;
a315a145 6420#endif
31e31b8a 6421 case TARGET_NR_munmap:
54936004 6422 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 6423 break;
9de5e440 6424 case TARGET_NR_mprotect:
97374d38 6425 {
9349b4f9 6426 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
97374d38
PB		 6427 /* Special hack to detect libc making the stack executable. */
6428 if ((arg3 & PROT_GROWSDOWN)
6429 && arg1 >= ts->info->stack_limit
6430 && arg1 <= ts->info->start_stack) {
6431 arg3 &= ~PROT_GROWSDOWN;
6432 arg2 = arg2 + arg1 - ts->info->stack_limit;
6433 arg1 = ts->info->stack_limit;
6434 }
6435 }
54936004 6436 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 6437 break;
e5febef5 6438#ifdef TARGET_NR_mremap
9de5e440 6439 case TARGET_NR_mremap:
54936004 6440 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 6441 break;
e5febef5 6442#endif
53a5960a 6443 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 6444#ifdef TARGET_NR_msync
9de5e440 6445 case TARGET_NR_msync:
53a5960a 6446 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 6447 break;
e5febef5
TS		 6448#endif
6449#ifdef TARGET_NR_mlock
9de5e440 6450 case TARGET_NR_mlock:
53a5960a 6451 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 6452 break;
e5febef5
TS		 6453#endif
6454#ifdef TARGET_NR_munlock
9de5e440 6455 case TARGET_NR_munlock:
53a5960a 6456 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 6457 break;
e5febef5
TS		 6458#endif
6459#ifdef TARGET_NR_mlockall
9de5e440
FB		 6460 case TARGET_NR_mlockall:
6461 ret = get_errno(mlockall(arg1));
6462 break;
e5febef5
TS		 6463#endif
6464#ifdef TARGET_NR_munlockall
9de5e440
FB		 6465 case TARGET_NR_munlockall:
6466 ret = get_errno(munlockall());
6467 break;
e5febef5 6468#endif
31e31b8a 6469 case TARGET_NR_truncate:
579a97f7
FB		 6470 if (!(p = lock_user_string(arg1)))
6471 goto efault;
53a5960a
PB		 6472 ret = get_errno(truncate(p, arg2));
6473 unlock_user(p, arg1, 0);
31e31b8a
FB		 6474 break;
6475 case TARGET_NR_ftruncate:
6476 ret = get_errno(ftruncate(arg1, arg2));
6477 break;
6478 case TARGET_NR_fchmod:
6479 ret = get_errno(fchmod(arg1, arg2));
6480 break;
814d7977
TS		 6481#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
6482 case TARGET_NR_fchmodat:
579a97f7
FB		 6483 if (!(p = lock_user_string(arg2)))
6484 goto efault;
465c9f06 6485 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 6486 unlock_user(p, arg2, 0);
814d7977
TS		 6487 break;
6488#endif
31e31b8a 6489 case TARGET_NR_getpriority:
95c09828
RH		 6490 /* Note that negative values are valid for getpriority, so we must
6491 differentiate based on errno settings. */
6492 errno = 0;
6493 ret = getpriority(arg1, arg2);
6494 if (ret == -1 && errno != 0) {
6495 ret = -host_to_target_errno(errno);
6496 break;
6497 }
6498#ifdef TARGET_ALPHA
6499 /* Return value is the unbiased priority. Signal no error. */
6500 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
6501#else
6502 /* Return value is a biased priority to avoid negative numbers. */
6503 ret = 20 - ret;
6504#endif
31e31b8a
FB		 6505 break;
6506 case TARGET_NR_setpriority:
6507 ret = get_errno(setpriority(arg1, arg2, arg3));
6508 break;
ebc05488 6509#ifdef TARGET_NR_profil
31e31b8a
FB		 6510 case TARGET_NR_profil:
6511 goto unimplemented;
ebc05488 6512#endif
31e31b8a 6513 case TARGET_NR_statfs:
579a97f7
FB		 6514 if (!(p = lock_user_string(arg1)))
6515 goto efault;
53a5960a
PB		 6516 ret = get_errno(statfs(path(p), &stfs));
6517 unlock_user(p, arg1, 0);
31e31b8a
FB		 6518 convert_statfs:
6519 if (!is_error(ret)) {
53a5960a 6520 struct target_statfs *target_stfs;
3b46e624 6521
579a97f7
FB		 6522 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
6523 goto efault;
6524 __put_user(stfs.f_type, &target_stfs->f_type);
6525 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6526 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6527 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6528 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6529 __put_user(stfs.f_files, &target_stfs->f_files);
6530 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6531 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6532 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6533 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 6534 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 6535 }
6536 break;
6537 case TARGET_NR_fstatfs:
56c8f68f 6538 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 6539 goto convert_statfs;
56c8f68f
FB		 6540#ifdef TARGET_NR_statfs64
6541 case TARGET_NR_statfs64:
579a97f7
FB		 6542 if (!(p = lock_user_string(arg1)))
6543 goto efault;
53a5960a
PB		 6544 ret = get_errno(statfs(path(p), &stfs));
6545 unlock_user(p, arg1, 0);
56c8f68f
FB		 6546 convert_statfs64:
6547 if (!is_error(ret)) {
53a5960a 6548 struct target_statfs64 *target_stfs;
3b46e624 6549
579a97f7
FB		 6550 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
6551 goto efault;
6552 __put_user(stfs.f_type, &target_stfs->f_type);
6553 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6554 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6555 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6556 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6557 __put_user(stfs.f_files, &target_stfs->f_files);
6558 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6559 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6560 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6561 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
6562 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 6563 }
6564 break;
6565 case TARGET_NR_fstatfs64:
6566 ret = get_errno(fstatfs(arg1, &stfs));
6567 goto convert_statfs64;
6568#endif
ebc05488 6569#ifdef TARGET_NR_ioperm
31e31b8a
FB		 6570 case TARGET_NR_ioperm:
6571 goto unimplemented;
ebc05488 6572#endif
e5febef5 6573#ifdef TARGET_NR_socketcall
31e31b8a 6574 case TARGET_NR_socketcall:
53a5960a 6575 ret = do_socketcall(arg1, arg2);
31e31b8a 6576 break;
e5febef5 6577#endif
3532fa74
FB		 6578#ifdef TARGET_NR_accept
6579 case TARGET_NR_accept:
1be9e1dc 6580 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 6581 break;
6582#endif
6583#ifdef TARGET_NR_bind
6584 case TARGET_NR_bind:
6585 ret = do_bind(arg1, arg2, arg3);
6586 break;
6587#endif
6588#ifdef TARGET_NR_connect
6589 case TARGET_NR_connect:
6590 ret = do_connect(arg1, arg2, arg3);
6591 break;
6592#endif
6593#ifdef TARGET_NR_getpeername
6594 case TARGET_NR_getpeername:
1be9e1dc 6595 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 6596 break;
6597#endif
6598#ifdef TARGET_NR_getsockname
6599 case TARGET_NR_getsockname:
1be9e1dc 6600 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 6601 break;
6602#endif
6603#ifdef TARGET_NR_getsockopt
6604 case TARGET_NR_getsockopt:
6605 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
6606 break;
6607#endif
6608#ifdef TARGET_NR_listen
6609 case TARGET_NR_listen:
1be9e1dc 6610 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 6611 break;
6612#endif
6613#ifdef TARGET_NR_recv
6614 case TARGET_NR_recv:
214201bd 6615 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6616 break;
6617#endif
6618#ifdef TARGET_NR_recvfrom
6619 case TARGET_NR_recvfrom:
214201bd 6620 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6621 break;
6622#endif
6623#ifdef TARGET_NR_recvmsg
6624 case TARGET_NR_recvmsg:
6625 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
6626 break;
6627#endif
6628#ifdef TARGET_NR_send
6629 case TARGET_NR_send:
1be9e1dc 6630 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6631 break;
6632#endif
6633#ifdef TARGET_NR_sendmsg
6634 case TARGET_NR_sendmsg:
6635 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
6636 break;
6637#endif
6638#ifdef TARGET_NR_sendto
6639 case TARGET_NR_sendto:
1be9e1dc 6640 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6641 break;
6642#endif
6643#ifdef TARGET_NR_shutdown
6644 case TARGET_NR_shutdown:
1be9e1dc 6645 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 6646 break;
6647#endif
6648#ifdef TARGET_NR_socket
6649 case TARGET_NR_socket:
6650 ret = do_socket(arg1, arg2, arg3);
6651 break;
6652#endif
6653#ifdef TARGET_NR_socketpair
6654 case TARGET_NR_socketpair:
1be9e1dc 6655 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 6656 break;
6657#endif
6658#ifdef TARGET_NR_setsockopt
6659 case TARGET_NR_setsockopt:
6660 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
6661 break;
6662#endif
7494b0f9 6663
31e31b8a 6664 case TARGET_NR_syslog:
579a97f7
FB		 6665 if (!(p = lock_user_string(arg2)))
6666 goto efault;
e5574487
TS		 6667 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
6668 unlock_user(p, arg2, 0);
7494b0f9
TS		 6669 break;
6670
31e31b8a 6671 case TARGET_NR_setitimer:
66fb9763 6672 {
66fb9763
FB		 6673 struct itimerval value, ovalue, *pvalue;
6674
53a5960a 6675 if (arg2) {
66fb9763 6676 pvalue = &value;
788f5ec4
TS		 6677 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
6678 || copy_from_user_timeval(&pvalue->it_value,
6679 arg2 + sizeof(struct target_timeval)))
6680 goto efault;
66fb9763
FB		 6681 } else {
6682 pvalue = NULL;
6683 }
6684 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 6685 if (!is_error(ret) && arg3) {
788f5ec4
TS		 6686 if (copy_to_user_timeval(arg3,
6687 &ovalue.it_interval)
6688 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
6689 &ovalue.it_value))
6690 goto efault;
66fb9763
FB		 6691 }
6692 }
6693 break;
31e31b8a 6694 case TARGET_NR_getitimer:
66fb9763 6695 {
66fb9763 6696 struct itimerval value;
3b46e624 6697
66fb9763 6698 ret = get_errno(getitimer(arg1, &value));
53a5960a 6699 if (!is_error(ret) && arg2) {
788f5ec4
TS		 6700 if (copy_to_user_timeval(arg2,
6701 &value.it_interval)
6702 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
6703 &value.it_value))
6704 goto efault;
66fb9763
FB		 6705 }
6706 }
6707 break;
31e31b8a 6708 case TARGET_NR_stat:
579a97f7
FB		 6709 if (!(p = lock_user_string(arg1)))
6710 goto efault;
53a5960a
PB		 6711 ret = get_errno(stat(path(p), &st));
6712 unlock_user(p, arg1, 0);
31e31b8a
FB		 6713 goto do_stat;
6714 case TARGET_NR_lstat:
579a97f7
FB		 6715 if (!(p = lock_user_string(arg1)))
6716 goto efault;
53a5960a
PB		 6717 ret = get_errno(lstat(path(p), &st));
6718 unlock_user(p, arg1, 0);
31e31b8a
FB		 6719 goto do_stat;
6720 case TARGET_NR_fstat:
6721 {
6722 ret = get_errno(fstat(arg1, &st));
6723 do_stat:
6724 if (!is_error(ret)) {
53a5960a 6725 struct target_stat *target_st;
e3584658 6726
579a97f7
FB		 6727 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
6728 goto efault;
12727917 6729 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 6730 __put_user(st.st_dev, &target_st->st_dev);
6731 __put_user(st.st_ino, &target_st->st_ino);
6732 __put_user(st.st_mode, &target_st->st_mode);
6733 __put_user(st.st_uid, &target_st->st_uid);
6734 __put_user(st.st_gid, &target_st->st_gid);
6735 __put_user(st.st_nlink, &target_st->st_nlink);
6736 __put_user(st.st_rdev, &target_st->st_rdev);
6737 __put_user(st.st_size, &target_st->st_size);
6738 __put_user(st.st_blksize, &target_st->st_blksize);
6739 __put_user(st.st_blocks, &target_st->st_blocks);
6740 __put_user(st.st_atime, &target_st->target_st_atime);
6741 __put_user(st.st_mtime, &target_st->target_st_mtime);
6742 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 6743 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 6744 }
6745 }
6746 break;
ebc05488 6747#ifdef TARGET_NR_olduname
31e31b8a
FB		 6748 case TARGET_NR_olduname:
6749 goto unimplemented;
ebc05488
FB		 6750#endif
6751#ifdef TARGET_NR_iopl
31e31b8a
FB		 6752 case TARGET_NR_iopl:
6753 goto unimplemented;
ebc05488 6754#endif
31e31b8a
FB		 6755 case TARGET_NR_vhangup:
6756 ret = get_errno(vhangup());
6757 break;
ebc05488 6758#ifdef TARGET_NR_idle
31e31b8a
FB		 6759 case TARGET_NR_idle:
6760 goto unimplemented;
42ad6ae9
FB		 6761#endif
6762#ifdef TARGET_NR_syscall
6763 case TARGET_NR_syscall:
5945cfcb
PM		 6764 ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
6765 arg6, arg7, arg8, 0);
6766 break;
ebc05488 6767#endif
31e31b8a
FB		 6768 case TARGET_NR_wait4:
6769 {
6770 int status;
992f48a0 6771 abi_long status_ptr = arg2;
31e31b8a 6772 struct rusage rusage, *rusage_ptr;
992f48a0 6773 abi_ulong target_rusage = arg4;
31e31b8a
FB		 6774 if (target_rusage)
6775 rusage_ptr = &rusage;
6776 else
6777 rusage_ptr = NULL;
6778 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
6779 if (!is_error(ret)) {
5379557b 6780 if (status_ptr && ret) {
1d9d8b55 6781 status = host_to_target_waitstatus(status);
2f619698
FB		 6782 if (put_user_s32(status, status_ptr))
6783 goto efault;
31e31b8a 6784 }
2f619698
FB		 6785 if (target_rusage)
6786 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 6787 }
6788 }
6789 break;
e5febef5 6790#ifdef TARGET_NR_swapoff
31e31b8a 6791 case TARGET_NR_swapoff:
579a97f7
FB		 6792 if (!(p = lock_user_string(arg1)))
6793 goto efault;
53a5960a
PB		 6794 ret = get_errno(swapoff(p));
6795 unlock_user(p, arg1, 0);
31e31b8a 6796 break;
e5febef5 6797#endif
31e31b8a 6798 case TARGET_NR_sysinfo:
a5448a7d 6799 {
53a5960a 6800 struct target_sysinfo *target_value;
a5448a7d
FB		 6801 struct sysinfo value;
6802 ret = get_errno(sysinfo(&value));
53a5960a 6803 if (!is_error(ret) && arg1)
a5448a7d 6804 {
579a97f7
FB		 6805 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
6806 goto efault;
a5448a7d
FB		 6807 __put_user(value.uptime, &target_value->uptime);
6808 __put_user(value.loads[0], &target_value->loads[0]);
6809 __put_user(value.loads[1], &target_value->loads[1]);
6810 __put_user(value.loads[2], &target_value->loads[2]);
6811 __put_user(value.totalram, &target_value->totalram);
6812 __put_user(value.freeram, &target_value->freeram);
6813 __put_user(value.sharedram, &target_value->sharedram);
6814 __put_user(value.bufferram, &target_value->bufferram);
6815 __put_user(value.totalswap, &target_value->totalswap);
6816 __put_user(value.freeswap, &target_value->freeswap);
6817 __put_user(value.procs, &target_value->procs);
6818 __put_user(value.totalhigh, &target_value->totalhigh);
6819 __put_user(value.freehigh, &target_value->freehigh);
6820 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 6821 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 6822 }
6823 }
6824 break;
e5febef5 6825#ifdef TARGET_NR_ipc
31e31b8a 6826 case TARGET_NR_ipc:
8853f86e
FB		 6827 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
6828 break;
e5febef5 6829#endif
e5289087
AJ		 6830#ifdef TARGET_NR_semget
6831 case TARGET_NR_semget:
6832 ret = get_errno(semget(arg1, arg2, arg3));
6833 break;
6834#endif
6835#ifdef TARGET_NR_semop
6836 case TARGET_NR_semop:
6837 ret = get_errno(do_semop(arg1, arg2, arg3));
6838 break;
6839#endif
6840#ifdef TARGET_NR_semctl
6841 case TARGET_NR_semctl:
6842 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
6843 break;
6844#endif
eeb438c1
AJ		 6845#ifdef TARGET_NR_msgctl
6846 case TARGET_NR_msgctl:
6847 ret = do_msgctl(arg1, arg2, arg3);
6848 break;
6849#endif
6850#ifdef TARGET_NR_msgget
6851 case TARGET_NR_msgget:
6852 ret = get_errno(msgget(arg1, arg2));
6853 break;
6854#endif
6855#ifdef TARGET_NR_msgrcv
6856 case TARGET_NR_msgrcv:
6857 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
6858 break;
6859#endif
6860#ifdef TARGET_NR_msgsnd
6861 case TARGET_NR_msgsnd:
6862 ret = do_msgsnd(arg1, arg2, arg3, arg4);
6863 break;
88a8c984
RV		 6864#endif
6865#ifdef TARGET_NR_shmget
6866 case TARGET_NR_shmget:
6867 ret = get_errno(shmget(arg1, arg2, arg3));
6868 break;
6869#endif
6870#ifdef TARGET_NR_shmctl
6871 case TARGET_NR_shmctl:
6872 ret = do_shmctl(arg1, arg2, arg3);
6873 break;
6874#endif
6875#ifdef TARGET_NR_shmat
6876 case TARGET_NR_shmat:
6877 ret = do_shmat(arg1, arg2, arg3);
6878 break;
6879#endif
6880#ifdef TARGET_NR_shmdt
6881 case TARGET_NR_shmdt:
6882 ret = do_shmdt(arg1);
6883 break;
eeb438c1 6884#endif
31e31b8a
FB		 6885 case TARGET_NR_fsync:
6886 ret = get_errno(fsync(arg1));
6887 break;
31e31b8a 6888 case TARGET_NR_clone:
a4b388ff 6889#if defined(TARGET_SH4) || defined(TARGET_ALPHA)
0b6d3ae0 6890 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 6891#elif defined(TARGET_CRIS)
6892 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
a4c075f1
UH		 6893#elif defined(TARGET_S390X)
6894 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
0b6d3ae0 6895#else
d865bab5 6896 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 6897#endif
1b6b029e 6898 break;
ec86b0fb
FB		 6899#ifdef __NR_exit_group
6900 /* new thread calls */
6901 case TARGET_NR_exit_group:
9788c9ca 6902#ifdef TARGET_GPROF
6d946cda
AJ		 6903 _mcleanup();
6904#endif
e9009676 6905 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 6906 ret = get_errno(exit_group(arg1));
6907 break;
6908#endif
31e31b8a 6909 case TARGET_NR_setdomainname:
579a97f7
FB		 6910 if (!(p = lock_user_string(arg1)))
6911 goto efault;
53a5960a
PB		 6912 ret = get_errno(setdomainname(p, arg2));
6913 unlock_user(p, arg1, 0);
31e31b8a
FB		 6914 break;
6915 case TARGET_NR_uname:
6916 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 6917 {
6918 struct new_utsname * buf;
3b46e624 6919
579a97f7
FB		 6920 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
6921 goto efault;
29e619b1
FB		 6922 ret = get_errno(sys_uname(buf));
6923 if (!is_error(ret)) {
6924 /* Overrite the native machine name with whatever is being
6925 emulated. */
da79030f 6926 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 6927 /* Allow the user to override the reported release. */
6928 if (qemu_uname_release && *qemu_uname_release)
6929 strcpy (buf->release, qemu_uname_release);
29e619b1 6930 }
53a5960a 6931 unlock_user_struct(buf, arg1, 1);
29e619b1 6932 }
31e31b8a 6933 break;
6dbad63e 6934#ifdef TARGET_I386
31e31b8a 6935 case TARGET_NR_modify_ldt:
03acab66 6936 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 6937 break;
84409ddb 6938#if !defined(TARGET_X86_64)
5cd4393b
FB		 6939 case TARGET_NR_vm86old:
6940 goto unimplemented;
6941 case TARGET_NR_vm86:
53a5960a 6942 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 6943 break;
84409ddb 6944#endif
6dbad63e 6945#endif
31e31b8a
FB		 6946 case TARGET_NR_adjtimex:
6947 goto unimplemented;
e5febef5 6948#ifdef TARGET_NR_create_module
31e31b8a 6949 case TARGET_NR_create_module:
e5febef5 6950#endif
31e31b8a
FB		 6951 case TARGET_NR_init_module:
6952 case TARGET_NR_delete_module:
e5febef5 6953#ifdef TARGET_NR_get_kernel_syms
31e31b8a 6954 case TARGET_NR_get_kernel_syms:
e5febef5 6955#endif
31e31b8a
FB		 6956 goto unimplemented;
6957 case TARGET_NR_quotactl:
6958 goto unimplemented;
6959 case TARGET_NR_getpgid:
6960 ret = get_errno(getpgid(arg1));
6961 break;
6962 case TARGET_NR_fchdir:
6963 ret = get_errno(fchdir(arg1));
6964 break;
84409ddb 6965#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 6966 case TARGET_NR_bdflush:
6967 goto unimplemented;
84409ddb 6968#endif
e5febef5 6969#ifdef TARGET_NR_sysfs
31e31b8a
FB		 6970 case TARGET_NR_sysfs:
6971 goto unimplemented;
e5febef5 6972#endif
31e31b8a 6973 case TARGET_NR_personality:
1b6b029e 6974 ret = get_errno(personality(arg1));
31e31b8a 6975 break;
e5febef5 6976#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 6977 case TARGET_NR_afs_syscall:
6978 goto unimplemented;
e5febef5 6979#endif
7a3148a9 6980#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 6981 case TARGET_NR__llseek:
6982 {
0c1592d9 6983 int64_t res;
d35b261c 6984#if !defined(__NR_llseek)
0c1592d9
PM		 6985 res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
6986 if (res == -1) {
6987 ret = get_errno(res);
6988 } else {
6989 ret = 0;
6990 }
4f2ac237 6991#else
31e31b8a 6992 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4f2ac237 6993#endif
0c1592d9
PM		 6994 if ((ret == 0) && put_user_s64(res, arg4)) {
6995 goto efault;
6996 }
31e31b8a
FB		 6997 }
6998 break;
7a3148a9 6999#endif
31e31b8a 7000 case TARGET_NR_getdents:
d83c8733 7001#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 7002 {
53a5960a 7003 struct target_dirent *target_dirp;
6556a833 7004 struct linux_dirent *dirp;
992f48a0 7005 abi_long count = arg3;
4add45b4
FB		 7006
7007 dirp = malloc(count);
0da46a6e 7008 if (!dirp) {
579a97f7 7009 ret = -TARGET_ENOMEM;
0da46a6e
TS		 7010 goto fail;
7011 }
3b46e624 7012
4add45b4
FB		 7013 ret = get_errno(sys_getdents(arg1, dirp, count));
7014 if (!is_error(ret)) {
6556a833 7015 struct linux_dirent *de;
4add45b4
FB		 7016 struct target_dirent *tde;
7017 int len = ret;
7018 int reclen, treclen;
7019 int count1, tnamelen;
7020
7021 count1 = 0;
7022 de = dirp;
579a97f7
FB		 7023 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7024 goto efault;
4add45b4
FB		 7025 tde = target_dirp;
7026 while (len > 0) {
7027 reclen = de->d_reclen;
992f48a0 7028 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4 7029 tde->d_reclen = tswap16(treclen);
cbb21eed
MB		 7030 tde->d_ino = tswapal(de->d_ino);
7031 tde->d_off = tswapal(de->d_off);
992f48a0 7032 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 7033 if (tnamelen > 256)
7034 tnamelen = 256;
80a9d035 7035 /* XXX: may not be correct */
be15b141 7036 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 7037 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 7038 len -= reclen;
1c5bf3bf 7039 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 7040 count1 += treclen;
7041 }
7042 ret = count1;
579a97f7 7043 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 7044 }
7045 free(dirp);
7046 }
7047#else
31e31b8a 7048 {
6556a833 7049 struct linux_dirent *dirp;
992f48a0 7050 abi_long count = arg3;
dab2ed99 7051
579a97f7
FB		 7052 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7053 goto efault;
72f03900 7054 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 7055 if (!is_error(ret)) {
6556a833 7056 struct linux_dirent *de;
31e31b8a
FB		 7057 int len = ret;
7058 int reclen;
7059 de = dirp;
7060 while (len > 0) {
8083a3e5 7061 reclen = de->d_reclen;
31e31b8a
FB		 7062 if (reclen > len)
7063 break;
8083a3e5 7064 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 7065 tswapls(&de->d_ino);
7066 tswapls(&de->d_off);
6556a833 7067 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 7068 len -= reclen;
7069 }
7070 }
53a5960a 7071 unlock_user(dirp, arg2, ret);
31e31b8a 7072 }
4add45b4 7073#endif
31e31b8a 7074 break;
3ae43202 7075#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 7076 case TARGET_NR_getdents64:
7077 {
6556a833 7078 struct linux_dirent64 *dirp;
992f48a0 7079 abi_long count = arg3;
579a97f7
FB		 7080 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7081 goto efault;
dab2ed99
FB		 7082 ret = get_errno(sys_getdents64(arg1, dirp, count));
7083 if (!is_error(ret)) {
6556a833 7084 struct linux_dirent64 *de;
dab2ed99
FB		 7085 int len = ret;
7086 int reclen;
7087 de = dirp;
7088 while (len > 0) {
8083a3e5 7089 reclen = de->d_reclen;
dab2ed99
FB		 7090 if (reclen > len)
7091 break;
8083a3e5 7092 de->d_reclen = tswap16(reclen);
8582a53a
FB		 7093 tswap64s((uint64_t *)&de->d_ino);
7094 tswap64s((uint64_t *)&de->d_off);
6556a833 7095 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 7096 len -= reclen;
7097 }
7098 }
53a5960a 7099 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 7100 }
7101 break;
a541f297 7102#endif /* TARGET_NR_getdents64 */
a4c075f1
UH		 7103#if defined(TARGET_NR__newselect) || defined(TARGET_S390X)
7104#ifdef TARGET_S390X
7105 case TARGET_NR_select:
7106#else
31e31b8a 7107 case TARGET_NR__newselect:
a4c075f1 7108#endif
53a5960a 7109 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 7110 break;
e5febef5 7111#endif
d8035d4c
MF		 7112#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
7113# ifdef TARGET_NR_poll
9de5e440 7114 case TARGET_NR_poll:
d8035d4c
MF		 7115# endif
7116# ifdef TARGET_NR_ppoll
7117 case TARGET_NR_ppoll:
7118# endif
9de5e440 7119 {
53a5960a 7120 struct target_pollfd *target_pfd;
9de5e440
FB		 7121 unsigned int nfds = arg2;
7122 int timeout = arg3;
7123 struct pollfd *pfd;
7854b056 7124 unsigned int i;
9de5e440 7125
579a97f7
FB		 7126 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
7127 if (!target_pfd)
7128 goto efault;
d8035d4c 7129
9de5e440
FB		 7130 pfd = alloca(sizeof(struct pollfd) * nfds);
7131 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 7132 pfd[i].fd = tswap32(target_pfd[i].fd);
7133 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440 7134 }
d8035d4c
MF		 7135
7136# ifdef TARGET_NR_ppoll
7137 if (num == TARGET_NR_ppoll) {
7138 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
7139 target_sigset_t *target_set;
7140 sigset_t _set, *set = &_set;
7141
7142 if (arg3) {
7143 if (target_to_host_timespec(timeout_ts, arg3)) {
7144 unlock_user(target_pfd, arg1, 0);
7145 goto efault;
7146 }
7147 } else {
7148 timeout_ts = NULL;
7149 }
7150
7151 if (arg4) {
7152 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
7153 if (!target_set) {
7154 unlock_user(target_pfd, arg1, 0);
7155 goto efault;
7156 }
7157 target_to_host_sigset(set, target_set);
7158 } else {
7159 set = NULL;
7160 }
7161
7162 ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
7163
7164 if (!is_error(ret) && arg3) {
7165 host_to_target_timespec(arg3, timeout_ts);
7166 }
7167 if (arg4) {
7168 unlock_user(target_set, arg4, 0);
7169 }
7170 } else
7171# endif
7172 ret = get_errno(poll(pfd, nfds, timeout));
7173
9de5e440
FB		 7174 if (!is_error(ret)) {
7175 for(i = 0; i < nfds; i++) {
5cd4393b 7176 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 7177 }
7178 }
30cb4cde 7179 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9de5e440
FB		 7180 }
7181 break;
e5febef5 7182#endif
31e31b8a 7183 case TARGET_NR_flock:
9de5e440
FB		 7184 /* NOTE: the flock constant seems to be the same for every
7185 Linux platform */
7186 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 7187 break;
7188 case TARGET_NR_readv:
7189 {
7190 int count = arg3;
31e31b8a 7191 struct iovec *vec;
31e31b8a
FB		 7192
7193 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 7194 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
7195 goto efault;
31e31b8a 7196 ret = get_errno(readv(arg1, vec, count));
53a5960a 7197 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 7198 }
7199 break;
7200 case TARGET_NR_writev:
7201 {
7202 int count = arg3;
31e31b8a 7203 struct iovec *vec;
31e31b8a
FB		 7204
7205 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 7206 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
7207 goto efault;
31e31b8a 7208 ret = get_errno(writev(arg1, vec, count));
53a5960a 7209 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 7210 }
7211 break;
7212 case TARGET_NR_getsid:
7213 ret = get_errno(getsid(arg1));
7214 break;
7a3148a9 7215#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 7216 case TARGET_NR_fdatasync:
5cd4393b
FB		 7217 ret = get_errno(fdatasync(arg1));
7218 break;
7a3148a9 7219#endif
31e31b8a 7220 case TARGET_NR__sysctl:
0da46a6e 7221 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 7222 return value. */
0da46a6e
TS		 7223 ret = -TARGET_ENOTDIR;
7224 break;
737de1d1
MF		 7225 case TARGET_NR_sched_getaffinity:
7226 {
7227 unsigned int mask_size;
7228 unsigned long *mask;
7229
7230 /*
7231 * sched_getaffinity needs multiples of ulong, so need to take
7232 * care of mismatches between target ulong and host ulong sizes.
7233 */
7234 if (arg2 & (sizeof(abi_ulong) - 1)) {
7235 ret = -TARGET_EINVAL;
7236 break;
7237 }
7238 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7239
7240 mask = alloca(mask_size);
7241 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
7242
7243 if (!is_error(ret)) {
cd18f05e 7244 if (copy_to_user(arg3, mask, ret)) {
737de1d1
MF		 7245 goto efault;
7246 }
737de1d1
MF		 7247 }
7248 }
7249 break;
7250 case TARGET_NR_sched_setaffinity:
7251 {
7252 unsigned int mask_size;
7253 unsigned long *mask;
7254
7255 /*
7256 * sched_setaffinity needs multiples of ulong, so need to take
7257 * care of mismatches between target ulong and host ulong sizes.
7258 */
7259 if (arg2 & (sizeof(abi_ulong) - 1)) {
7260 ret = -TARGET_EINVAL;
7261 break;
7262 }
7263 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7264
7265 mask = alloca(mask_size);
7266 if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
7267 goto efault;
7268 }
7269 memcpy(mask, p, arg2);
7270 unlock_user_struct(p, arg2, 0);
7271
7272 ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
7273 }
7274 break;
31e31b8a 7275 case TARGET_NR_sched_setparam:
5cd4393b 7276 {
53a5960a 7277 struct sched_param *target_schp;
5cd4393b 7278 struct sched_param schp;
53a5960a 7279
579a97f7
FB		 7280 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
7281 goto efault;
5cd4393b 7282 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7283 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 7284 ret = get_errno(sched_setparam(arg1, &schp));
7285 }
7286 break;
31e31b8a 7287 case TARGET_NR_sched_getparam:
5cd4393b 7288 {
53a5960a 7289 struct sched_param *target_schp;
5cd4393b
FB		 7290 struct sched_param schp;
7291 ret = get_errno(sched_getparam(arg1, &schp));
7292 if (!is_error(ret)) {
579a97f7
FB		 7293 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
7294 goto efault;
5cd4393b 7295 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 7296 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 7297 }
7298 }
7299 break;
31e31b8a 7300 case TARGET_NR_sched_setscheduler:
5cd4393b 7301 {
53a5960a 7302 struct sched_param *target_schp;
5cd4393b 7303 struct sched_param schp;
579a97f7
FB		 7304 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
7305 goto efault;
5cd4393b 7306 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7307 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 7308 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
7309 }
7310 break;
31e31b8a 7311 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 7312 ret = get_errno(sched_getscheduler(arg1));
7313 break;
31e31b8a
FB		 7314 case TARGET_NR_sched_yield:
7315 ret = get_errno(sched_yield());
7316 break;
7317 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 7318 ret = get_errno(sched_get_priority_max(arg1));
7319 break;
31e31b8a 7320 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 7321 ret = get_errno(sched_get_priority_min(arg1));
7322 break;
31e31b8a 7323 case TARGET_NR_sched_rr_get_interval:
5cd4393b 7324 {
5cd4393b
FB		 7325 struct timespec ts;
7326 ret = get_errno(sched_rr_get_interval(arg1, &ts));
7327 if (!is_error(ret)) {
53a5960a 7328 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 7329 }
7330 }
7331 break;
31e31b8a 7332 case TARGET_NR_nanosleep:
1b6b029e 7333 {
1b6b029e 7334 struct timespec req, rem;
53a5960a 7335 target_to_host_timespec(&req, arg1);
1b6b029e 7336 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 7337 if (is_error(ret) && arg2) {
7338 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 7339 }
7340 }
7341 break;
e5febef5 7342#ifdef TARGET_NR_query_module
31e31b8a 7343 case TARGET_NR_query_module:
5cd4393b 7344 goto unimplemented;
e5febef5
TS		 7345#endif
7346#ifdef TARGET_NR_nfsservctl
31e31b8a 7347 case TARGET_NR_nfsservctl:
5cd4393b 7348 goto unimplemented;
e5febef5 7349#endif
31e31b8a 7350 case TARGET_NR_prctl:
1e6722f8
PM		 7351 switch (arg1) {
7352 case PR_GET_PDEATHSIG:
7353 {
7354 int deathsig;
7355 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
7356 if (!is_error(ret) && arg2
7357 && put_user_ual(deathsig, arg2)) {
7358 goto efault;
e5574487 7359 }
1e6722f8
PM		 7360 break;
7361 }
db9526b1
PM		 7362#ifdef PR_GET_NAME
7363 case PR_GET_NAME:
7364 {
7365 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
7366 if (!name) {
7367 goto efault;
7368 }
7369 ret = get_errno(prctl(arg1, (unsigned long)name,
7370 arg3, arg4, arg5));
7371 unlock_user(name, arg2, 16);
7372 break;
7373 }
7374 case PR_SET_NAME:
7375 {
7376 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
7377 if (!name) {
7378 goto efault;
7379 }
7380 ret = get_errno(prctl(arg1, (unsigned long)name,
7381 arg3, arg4, arg5));
7382 unlock_user(name, arg2, 0);
7383 break;
7384 }
7385#endif
1e6722f8
PM		 7386 default:
7387 /* Most prctl options have no pointer arguments */
7388 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
7389 break;
7390 }
39b9aae1 7391 break;
d2fd1af7
FB		 7392#ifdef TARGET_NR_arch_prctl
7393 case TARGET_NR_arch_prctl:
7394#if defined(TARGET_I386) && !defined(TARGET_ABI32)
7395 ret = do_arch_prctl(cpu_env, arg1, arg2);
7396 break;
7397#else
7398 goto unimplemented;
7399#endif
7400#endif
67867308 7401#ifdef TARGET_NR_pread
31e31b8a 7402 case TARGET_NR_pread:
48e515d4 7403 if (regpairs_aligned(cpu_env))
a4ae00bc 7404 arg4 = arg5;
579a97f7
FB		 7405 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7406 goto efault;
53a5960a
PB		 7407 ret = get_errno(pread(arg1, p, arg3, arg4));
7408 unlock_user(p, arg2, ret);
206f0fa7 7409 break;
31e31b8a 7410 case TARGET_NR_pwrite:
48e515d4 7411 if (regpairs_aligned(cpu_env))
a4ae00bc 7412 arg4 = arg5;
579a97f7
FB		 7413 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7414 goto efault;
53a5960a
PB		 7415 ret = get_errno(pwrite(arg1, p, arg3, arg4));
7416 unlock_user(p, arg2, 0);
206f0fa7 7417 break;
f2c7ba15
AJ		 7418#endif
7419#ifdef TARGET_NR_pread64
7420 case TARGET_NR_pread64:
7421 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7422 goto efault;
7423 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
7424 unlock_user(p, arg2, ret);
7425 break;
7426 case TARGET_NR_pwrite64:
7427 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7428 goto efault;
7429 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
7430 unlock_user(p, arg2, 0);
7431 break;
67867308 7432#endif
31e31b8a 7433 case TARGET_NR_getcwd:
579a97f7
FB		 7434 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
7435 goto efault;
53a5960a
PB		 7436 ret = get_errno(sys_getcwd1(p, arg2));
7437 unlock_user(p, arg1, ret);
31e31b8a
FB		 7438 break;
7439 case TARGET_NR_capget:
5cd4393b 7440 goto unimplemented;
31e31b8a 7441 case TARGET_NR_capset:
5cd4393b 7442 goto unimplemented;
31e31b8a 7443 case TARGET_NR_sigaltstack:
198a74de 7444#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154 7445 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
d962783e 7446 defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC)
9349b4f9 7447 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env));
a04e134a
TS		 7448 break;
7449#else
5cd4393b 7450 goto unimplemented;
a04e134a 7451#endif
31e31b8a 7452 case TARGET_NR_sendfile:
5cd4393b 7453 goto unimplemented;
ebc05488 7454#ifdef TARGET_NR_getpmsg
31e31b8a 7455 case TARGET_NR_getpmsg:
5cd4393b 7456 goto unimplemented;
ebc05488
FB		 7457#endif
7458#ifdef TARGET_NR_putpmsg
31e31b8a 7459 case TARGET_NR_putpmsg:
5cd4393b 7460 goto unimplemented;
ebc05488 7461#endif
048f6b4d 7462#ifdef TARGET_NR_vfork
31e31b8a 7463 case TARGET_NR_vfork:
d865bab5
PB		 7464 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
7465 0, 0, 0, 0));
31e31b8a 7466 break;
048f6b4d 7467#endif
ebc05488 7468#ifdef TARGET_NR_ugetrlimit
31e31b8a 7469 case TARGET_NR_ugetrlimit:
728584be
FB		 7470 {
7471 struct rlimit rlim;
e22b7015
WT		 7472 int resource = target_to_host_resource(arg1);
7473 ret = get_errno(getrlimit(resource, &rlim));
728584be 7474 if (!is_error(ret)) {
53a5960a 7475 struct target_rlimit *target_rlim;
579a97f7
FB		 7476 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
7477 goto efault;
81bbe906 7478 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
7479 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 7480 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 7481 }
7482 break;
7483 }
ebc05488 7484#endif
a315a145 7485#ifdef TARGET_NR_truncate64
31e31b8a 7486 case TARGET_NR_truncate64:
579a97f7
FB		 7487 if (!(p = lock_user_string(arg1)))
7488 goto efault;
53a5960a
PB		 7489 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
7490 unlock_user(p, arg1, 0);
667f38b1 7491 break;
a315a145
FB		 7492#endif
7493#ifdef TARGET_NR_ftruncate64
31e31b8a 7494 case TARGET_NR_ftruncate64:
ce4defa0 7495 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 7496 break;
a315a145
FB		 7497#endif
7498#ifdef TARGET_NR_stat64
31e31b8a 7499 case TARGET_NR_stat64:
579a97f7
FB		 7500 if (!(p = lock_user_string(arg1)))
7501 goto efault;
53a5960a
PB		 7502 ret = get_errno(stat(path(p), &st));
7503 unlock_user(p, arg1, 0);
6a24a778
AZ		 7504 if (!is_error(ret))
7505 ret = host_to_target_stat64(cpu_env, arg2, &st);
7506 break;
a315a145
FB		 7507#endif
7508#ifdef TARGET_NR_lstat64
31e31b8a 7509 case TARGET_NR_lstat64:
579a97f7
FB		 7510 if (!(p = lock_user_string(arg1)))
7511 goto efault;
53a5960a
PB		 7512 ret = get_errno(lstat(path(p), &st));
7513 unlock_user(p, arg1, 0);
6a24a778
AZ		 7514 if (!is_error(ret))
7515 ret = host_to_target_stat64(cpu_env, arg2, &st);
7516 break;
a315a145
FB		 7517#endif
7518#ifdef TARGET_NR_fstat64
31e31b8a 7519 case TARGET_NR_fstat64:
6a24a778
AZ		 7520 ret = get_errno(fstat(arg1, &st));
7521 if (!is_error(ret))
7522 ret = host_to_target_stat64(cpu_env, arg2, &st);
7523 break;
ce4defa0 7524#endif
9d33b76b
AJ		 7525#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
7526 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
7527#ifdef TARGET_NR_fstatat64
6a24a778 7528 case TARGET_NR_fstatat64:
9d33b76b
AJ		 7529#endif
7530#ifdef TARGET_NR_newfstatat
7531 case TARGET_NR_newfstatat:
7532#endif
6a24a778
AZ		 7533 if (!(p = lock_user_string(arg2)))
7534 goto efault;
9d33b76b 7535#ifdef __NR_fstatat64
6a24a778 7536 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 7537#else
7538 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
7539#endif
6a24a778
AZ		 7540 if (!is_error(ret))
7541 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 7542 break;
a315a145 7543#endif
67867308 7544 case TARGET_NR_lchown:
579a97f7
FB		 7545 if (!(p = lock_user_string(arg1)))
7546 goto efault;
53a5960a
PB		 7547 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
7548 unlock_user(p, arg1, 0);
67867308 7549 break;
0c866a7e 7550#ifdef TARGET_NR_getuid
67867308
FB		 7551 case TARGET_NR_getuid:
7552 ret = get_errno(high2lowuid(getuid()));
7553 break;
0c866a7e
RV		 7554#endif
7555#ifdef TARGET_NR_getgid
67867308
FB		 7556 case TARGET_NR_getgid:
7557 ret = get_errno(high2lowgid(getgid()));
7558 break;
0c866a7e
RV		 7559#endif
7560#ifdef TARGET_NR_geteuid
67867308
FB		 7561 case TARGET_NR_geteuid:
7562 ret = get_errno(high2lowuid(geteuid()));
7563 break;
0c866a7e
RV		 7564#endif
7565#ifdef TARGET_NR_getegid
67867308
FB		 7566 case TARGET_NR_getegid:
7567 ret = get_errno(high2lowgid(getegid()));
7568 break;
0c866a7e 7569#endif
67867308
FB		 7570 case TARGET_NR_setreuid:
7571 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
7572 break;
7573 case TARGET_NR_setregid:
7574 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
7575 break;
7576 case TARGET_NR_getgroups:
7577 {
7578 int gidsetsize = arg1;
0c866a7e 7579 target_id *target_grouplist;
67867308
FB		 7580 gid_t *grouplist;
7581 int i;
7582
7583 grouplist = alloca(gidsetsize * sizeof(gid_t));
7584 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7585 if (gidsetsize == 0)
7586 break;
67867308 7587 if (!is_error(ret)) {
579a97f7
FB		 7588 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
7589 if (!target_grouplist)
7590 goto efault;
a2155fcc 7591 for(i = 0;i < ret; i++)
0c866a7e 7592 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
53a5960a 7593 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 7594 }
7595 }
7596 break;
7597 case TARGET_NR_setgroups:
7598 {
7599 int gidsetsize = arg1;
0c866a7e 7600 target_id *target_grouplist;
67867308
FB		 7601 gid_t *grouplist;
7602 int i;
7603
7604 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 7605 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
7606 if (!target_grouplist) {
7607 ret = -TARGET_EFAULT;
7608 goto fail;
7609 }
67867308 7610 for(i = 0;i < gidsetsize; i++)
0c866a7e 7611 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
53a5960a 7612 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 7613 ret = get_errno(setgroups(gidsetsize, grouplist));
7614 }
7615 break;
7616 case TARGET_NR_fchown:
7617 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
7618 break;
ccfa72b7
TS		 7619#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
7620 case TARGET_NR_fchownat:
579a97f7
FB		 7621 if (!(p = lock_user_string(arg2)))
7622 goto efault;
7623 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
7624 unlock_user(p, arg2, 0);
ccfa72b7
TS		 7625 break;
7626#endif
67867308
FB		 7627#ifdef TARGET_NR_setresuid
7628 case TARGET_NR_setresuid:
5fafdf24
TS		 7629 ret = get_errno(setresuid(low2highuid(arg1),
7630 low2highuid(arg2),
67867308
FB		 7631 low2highuid(arg3)));
7632 break;
7633#endif
7634#ifdef TARGET_NR_getresuid
7635 case TARGET_NR_getresuid:
7636 {
53a5960a 7637 uid_t ruid, euid, suid;
67867308
FB		 7638 ret = get_errno(getresuid(&ruid, &euid, &suid));
7639 if (!is_error(ret)) {
2f619698
FB		 7640 if (put_user_u16(high2lowuid(ruid), arg1)
7641 || put_user_u16(high2lowuid(euid), arg2)
7642 || put_user_u16(high2lowuid(suid), arg3))
7643 goto efault;
67867308
FB		 7644 }
7645 }
7646 break;
7647#endif
7648#ifdef TARGET_NR_getresgid
7649 case TARGET_NR_setresgid:
5fafdf24
TS		 7650 ret = get_errno(setresgid(low2highgid(arg1),
7651 low2highgid(arg2),
67867308
FB		 7652 low2highgid(arg3)));
7653 break;
7654#endif
7655#ifdef TARGET_NR_getresgid
7656 case TARGET_NR_getresgid:
7657 {
53a5960a 7658 gid_t rgid, egid, sgid;
67867308
FB		 7659 ret = get_errno(getresgid(&rgid, &egid, &sgid));
7660 if (!is_error(ret)) {
2f619698
FB		 7661 if (put_user_u16(high2lowgid(rgid), arg1)
7662 || put_user_u16(high2lowgid(egid), arg2)
7663 || put_user_u16(high2lowgid(sgid), arg3))
7664 goto efault;
67867308
FB		 7665 }
7666 }
7667 break;
7668#endif
7669 case TARGET_NR_chown:
579a97f7
FB		 7670 if (!(p = lock_user_string(arg1)))
7671 goto efault;
53a5960a
PB		 7672 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
7673 unlock_user(p, arg1, 0);
67867308
FB		 7674 break;
7675 case TARGET_NR_setuid:
7676 ret = get_errno(setuid(low2highuid(arg1)));
7677 break;
7678 case TARGET_NR_setgid:
7679 ret = get_errno(setgid(low2highgid(arg1)));
7680 break;
7681 case TARGET_NR_setfsuid:
7682 ret = get_errno(setfsuid(arg1));
7683 break;
7684 case TARGET_NR_setfsgid:
7685 ret = get_errno(setfsgid(arg1));
7686 break;
67867308 7687
a315a145 7688#ifdef TARGET_NR_lchown32
31e31b8a 7689 case TARGET_NR_lchown32:
579a97f7
FB		 7690 if (!(p = lock_user_string(arg1)))
7691 goto efault;
53a5960a
PB		 7692 ret = get_errno(lchown(p, arg2, arg3));
7693 unlock_user(p, arg1, 0);
b03c60f3 7694 break;
a315a145
FB		 7695#endif
7696#ifdef TARGET_NR_getuid32
31e31b8a 7697 case TARGET_NR_getuid32:
b03c60f3
FB		 7698 ret = get_errno(getuid());
7699 break;
a315a145 7700#endif
64b4d28c
AJ		 7701
7702#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
7703 /* Alpha specific */
7704 case TARGET_NR_getxuid:
ba0e276d
RH		 7705 {
7706 uid_t euid;
7707 euid=geteuid();
7708 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
7709 }
64b4d28c
AJ		 7710 ret = get_errno(getuid());
7711 break;
7712#endif
7713#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
7714 /* Alpha specific */
7715 case TARGET_NR_getxgid:
ba0e276d
RH		 7716 {
7717 uid_t egid;
7718 egid=getegid();
7719 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
7720 }
64b4d28c
AJ		 7721 ret = get_errno(getgid());
7722 break;
7723#endif
ba0e276d
RH		 7724#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
7725 /* Alpha specific */
7726 case TARGET_NR_osf_getsysinfo:
7727 ret = -TARGET_EOPNOTSUPP;
7728 switch (arg1) {
7729 case TARGET_GSI_IEEE_FP_CONTROL:
7730 {
7731 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
7732
7733 /* Copied from linux ieee_fpcr_to_swcr. */
7734 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
7735 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
7736 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
7737 | SWCR_TRAP_ENABLE_DZE
7738 | SWCR_TRAP_ENABLE_OVF);
7739 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
7740 | SWCR_TRAP_ENABLE_INE);
7741 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
7742 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
7743
7744 if (put_user_u64 (swcr, arg2))
7745 goto efault;
7746 ret = 0;
7747 }
7748 break;
7749
7750 /* case GSI_IEEE_STATE_AT_SIGNAL:
7751 -- Not implemented in linux kernel.
7752 case GSI_UACPROC:
7753 -- Retrieves current unaligned access state; not much used.
7754 case GSI_PROC_TYPE:
7755 -- Retrieves implver information; surely not used.
7756 case GSI_GET_HWRPB:
7757 -- Grabs a copy of the HWRPB; surely not used.
7758 */
7759 }
7760 break;
7761#endif
7762#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
7763 /* Alpha specific */
7764 case TARGET_NR_osf_setsysinfo:
7765 ret = -TARGET_EOPNOTSUPP;
7766 switch (arg1) {
7767 case TARGET_SSI_IEEE_FP_CONTROL:
ba0e276d
RH		 7768 {
7769 uint64_t swcr, fpcr, orig_fpcr;
7770
6e06d515 7771 if (get_user_u64 (swcr, arg2)) {
ba0e276d 7772 goto efault;
6e06d515
RH		 7773 }
7774 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d
RH		 7775 fpcr = orig_fpcr & FPCR_DYN_MASK;
7776
7777 /* Copied from linux ieee_swcr_to_fpcr. */
7778 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
7779 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
7780 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
7781 | SWCR_TRAP_ENABLE_DZE
7782 | SWCR_TRAP_ENABLE_OVF)) << 48;
7783 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
7784 | SWCR_TRAP_ENABLE_INE)) << 57;
7785 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
7786 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
7787
6e06d515 7788 cpu_alpha_store_fpcr(cpu_env, fpcr);
ba0e276d 7789 ret = 0;
6e06d515
RH		 7790 }
7791 break;
7792
7793 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
7794 {
7795 uint64_t exc, fpcr, orig_fpcr;
7796 int si_code;
7797
7798 if (get_user_u64(exc, arg2)) {
7799 goto efault;
7800 }
ba0e276d 7801
6e06d515 7802 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d 7803
6e06d515
RH		 7804 /* We only add to the exception status here. */
7805 fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
7806
7807 cpu_alpha_store_fpcr(cpu_env, fpcr);
7808 ret = 0;
7809
7810 /* Old exceptions are not signaled. */
7811 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
7812
7813 /* If any exceptions set by this call,
7814 and are unmasked, send a signal. */
7815 si_code = 0;
7816 if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
7817 si_code = TARGET_FPE_FLTRES;
7818 }
7819 if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
7820 si_code = TARGET_FPE_FLTUND;
7821 }
7822 if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
7823 si_code = TARGET_FPE_FLTOVF;
7824 }
7825 if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
7826 si_code = TARGET_FPE_FLTDIV;
7827 }
7828 if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
7829 si_code = TARGET_FPE_FLTINV;
7830 }
7831 if (si_code != 0) {
7832 target_siginfo_t info;
7833 info.si_signo = SIGFPE;
7834 info.si_errno = 0;
7835 info.si_code = si_code;
7836 info._sifields._sigfault._addr
7837 = ((CPUArchState *)cpu_env)->pc;
7838 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
ba0e276d
RH		 7839 }
7840 }
7841 break;
7842
7843 /* case SSI_NVPAIRS:
7844 -- Used with SSIN_UACPROC to enable unaligned accesses.
7845 case SSI_IEEE_STATE_AT_SIGNAL:
7846 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
7847 -- Not implemented in linux kernel
7848 */
7849 }
7850 break;
7851#endif
7852#ifdef TARGET_NR_osf_sigprocmask
7853 /* Alpha specific. */
7854 case TARGET_NR_osf_sigprocmask:
7855 {
7856 abi_ulong mask;
bc088ba1 7857 int how;
ba0e276d
RH		 7858 sigset_t set, oldset;
7859
7860 switch(arg1) {
7861 case TARGET_SIG_BLOCK:
7862 how = SIG_BLOCK;
7863 break;
7864 case TARGET_SIG_UNBLOCK:
7865 how = SIG_UNBLOCK;
7866 break;
7867 case TARGET_SIG_SETMASK:
7868 how = SIG_SETMASK;
7869 break;
7870 default:
7871 ret = -TARGET_EINVAL;
7872 goto fail;
7873 }
7874 mask = arg2;
7875 target_to_host_old_sigset(&set, &mask);
bc088ba1 7876 sigprocmask(how, &set, &oldset);
ba0e276d
RH		 7877 host_to_target_old_sigset(&mask, &oldset);
7878 ret = mask;
7879 }
7880 break;
7881#endif
64b4d28c 7882
a315a145 7883#ifdef TARGET_NR_getgid32
31e31b8a 7884 case TARGET_NR_getgid32:
b03c60f3
FB		 7885 ret = get_errno(getgid());
7886 break;
a315a145
FB		 7887#endif
7888#ifdef TARGET_NR_geteuid32
31e31b8a 7889 case TARGET_NR_geteuid32:
b03c60f3
FB		 7890 ret = get_errno(geteuid());
7891 break;
a315a145
FB		 7892#endif
7893#ifdef TARGET_NR_getegid32
31e31b8a 7894 case TARGET_NR_getegid32:
b03c60f3
FB		 7895 ret = get_errno(getegid());
7896 break;
a315a145
FB		 7897#endif
7898#ifdef TARGET_NR_setreuid32
31e31b8a 7899 case TARGET_NR_setreuid32:
b03c60f3
FB		 7900 ret = get_errno(setreuid(arg1, arg2));
7901 break;
a315a145
FB		 7902#endif
7903#ifdef TARGET_NR_setregid32
31e31b8a 7904 case TARGET_NR_setregid32:
b03c60f3
FB		 7905 ret = get_errno(setregid(arg1, arg2));
7906 break;
a315a145
FB		 7907#endif
7908#ifdef TARGET_NR_getgroups32
31e31b8a 7909 case TARGET_NR_getgroups32:
99c475ab
FB		 7910 {
7911 int gidsetsize = arg1;
53a5960a 7912 uint32_t *target_grouplist;
99c475ab
FB		 7913 gid_t *grouplist;
7914 int i;
7915
7916 grouplist = alloca(gidsetsize * sizeof(gid_t));
7917 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7918 if (gidsetsize == 0)
7919 break;
99c475ab 7920 if (!is_error(ret)) {
579a97f7
FB		 7921 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
7922 if (!target_grouplist) {
7923 ret = -TARGET_EFAULT;
7924 goto fail;
7925 }
a2155fcc 7926 for(i = 0;i < ret; i++)
53a5960a
PB		 7927 target_grouplist[i] = tswap32(grouplist[i]);
7928 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 7929 }
7930 }
7931 break;
a315a145
FB		 7932#endif
7933#ifdef TARGET_NR_setgroups32
31e31b8a 7934 case TARGET_NR_setgroups32:
99c475ab
FB		 7935 {
7936 int gidsetsize = arg1;
53a5960a 7937 uint32_t *target_grouplist;
99c475ab
FB		 7938 gid_t *grouplist;
7939 int i;
3b46e624 7940
99c475ab 7941 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 7942 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
7943 if (!target_grouplist) {
7944 ret = -TARGET_EFAULT;
7945 goto fail;
7946 }
99c475ab 7947 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 7948 grouplist[i] = tswap32(target_grouplist[i]);
7949 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 7950 ret = get_errno(setgroups(gidsetsize, grouplist));
7951 }
7952 break;
a315a145
FB		 7953#endif
7954#ifdef TARGET_NR_fchown32
31e31b8a 7955 case TARGET_NR_fchown32:
b03c60f3
FB		 7956 ret = get_errno(fchown(arg1, arg2, arg3));
7957 break;
a315a145
FB		 7958#endif
7959#ifdef TARGET_NR_setresuid32
31e31b8a 7960 case TARGET_NR_setresuid32:
b03c60f3
FB		 7961 ret = get_errno(setresuid(arg1, arg2, arg3));
7962 break;
a315a145
FB		 7963#endif
7964#ifdef TARGET_NR_getresuid32
31e31b8a 7965 case TARGET_NR_getresuid32:
b03c60f3 7966 {
53a5960a 7967 uid_t ruid, euid, suid;
b03c60f3
FB		 7968 ret = get_errno(getresuid(&ruid, &euid, &suid));
7969 if (!is_error(ret)) {
2f619698
FB		 7970 if (put_user_u32(ruid, arg1)
7971 || put_user_u32(euid, arg2)
7972 || put_user_u32(suid, arg3))
7973 goto efault;
b03c60f3
FB		 7974 }
7975 }
7976 break;
a315a145
FB		 7977#endif
7978#ifdef TARGET_NR_setresgid32
31e31b8a 7979 case TARGET_NR_setresgid32:
b03c60f3
FB		 7980 ret = get_errno(setresgid(arg1, arg2, arg3));
7981 break;
a315a145
FB		 7982#endif
7983#ifdef TARGET_NR_getresgid32
31e31b8a 7984 case TARGET_NR_getresgid32:
b03c60f3 7985 {
53a5960a 7986 gid_t rgid, egid, sgid;
b03c60f3
FB		 7987 ret = get_errno(getresgid(&rgid, &egid, &sgid));
7988 if (!is_error(ret)) {
2f619698
FB		 7989 if (put_user_u32(rgid, arg1)
7990 || put_user_u32(egid, arg2)
7991 || put_user_u32(sgid, arg3))
7992 goto efault;
b03c60f3
FB		 7993 }
7994 }
7995 break;
a315a145
FB		 7996#endif
7997#ifdef TARGET_NR_chown32
31e31b8a 7998 case TARGET_NR_chown32:
579a97f7
FB		 7999 if (!(p = lock_user_string(arg1)))
8000 goto efault;
53a5960a
PB		 8001 ret = get_errno(chown(p, arg2, arg3));
8002 unlock_user(p, arg1, 0);
b03c60f3 8003 break;
a315a145
FB		 8004#endif
8005#ifdef TARGET_NR_setuid32
31e31b8a 8006 case TARGET_NR_setuid32:
b03c60f3
FB		 8007 ret = get_errno(setuid(arg1));
8008 break;
a315a145
FB		 8009#endif
8010#ifdef TARGET_NR_setgid32
31e31b8a 8011 case TARGET_NR_setgid32:
b03c60f3
FB		 8012 ret = get_errno(setgid(arg1));
8013 break;
a315a145
FB		 8014#endif
8015#ifdef TARGET_NR_setfsuid32
31e31b8a 8016 case TARGET_NR_setfsuid32:
b03c60f3
FB		 8017 ret = get_errno(setfsuid(arg1));
8018 break;
a315a145
FB		 8019#endif
8020#ifdef TARGET_NR_setfsgid32
31e31b8a 8021 case TARGET_NR_setfsgid32:
b03c60f3
FB		 8022 ret = get_errno(setfsgid(arg1));
8023 break;
a315a145 8024#endif
67867308 8025
31e31b8a 8026 case TARGET_NR_pivot_root:
b03c60f3 8027 goto unimplemented;
ffa65c3b 8028#ifdef TARGET_NR_mincore
31e31b8a 8029 case TARGET_NR_mincore:
04bb9ace
AJ		 8030 {
8031 void *a;
8032 ret = -TARGET_EFAULT;
8033 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
8034 goto efault;
8035 if (!(p = lock_user_string(arg3)))
8036 goto mincore_fail;
8037 ret = get_errno(mincore(a, arg2, p));
8038 unlock_user(p, arg3, ret);
8039 mincore_fail:
8040 unlock_user(a, arg1, 0);
8041 }
8042 break;
ffa65c3b 8043#endif
408321b6
AJ		 8044#ifdef TARGET_NR_arm_fadvise64_64
8045 case TARGET_NR_arm_fadvise64_64:
8046 {
8047 /*
8048 * arm_fadvise64_64 looks like fadvise64_64 but
8049 * with different argument order
8050 */
8051 abi_long temp;
8052 temp = arg3;
8053 arg3 = arg4;
8054 arg4 = temp;
8055 }
8056#endif
e72d2cc7 8057#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 8058#ifdef TARGET_NR_fadvise64_64
8059 case TARGET_NR_fadvise64_64:
8060#endif
e72d2cc7
UH		 8061#ifdef TARGET_NR_fadvise64
8062 case TARGET_NR_fadvise64:
8063#endif
8064#ifdef TARGET_S390X
8065 switch (arg4) {
8066 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
8067 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
8068 case 6: arg4 = POSIX_FADV_DONTNEED; break;
8069 case 7: arg4 = POSIX_FADV_NOREUSE; break;
8070 default: break;
8071 }
8072#endif
8073 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 8074 break;
8075#endif
ffa65c3b 8076#ifdef TARGET_NR_madvise
31e31b8a 8077 case TARGET_NR_madvise:
24836689
PB		 8078 /* A straight passthrough may not be safe because qemu sometimes
8079 turns private flie-backed mappings into anonymous mappings.
8080 This will break MADV_DONTNEED.
8081 This is a hint, so ignoring and returning success is ok. */
8082 ret = get_errno(0);
8083 break;
ffa65c3b 8084#endif
992f48a0 8085#if TARGET_ABI_BITS == 32
31e31b8a 8086 case TARGET_NR_fcntl64:
77e4672d 8087 {
b1e341eb 8088 int cmd;
77e4672d 8089 struct flock64 fl;
53a5960a 8090 struct target_flock64 *target_fl;
ce4defa0 8091#ifdef TARGET_ARM
53a5960a 8092 struct target_eabi_flock64 *target_efl;
ce4defa0 8093#endif
77e4672d 8094
5f106811 8095 cmd = target_to_host_fcntl_cmd(arg2);
31b63193
PM		 8096 if (cmd == -TARGET_EINVAL) {
8097 ret = cmd;
8098 break;
8099 }
b1e341eb 8100
60cd49d5 8101 switch(arg2) {
b1e341eb 8102 case TARGET_F_GETLK64:
5813427b
TS		 8103#ifdef TARGET_ARM
8104 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8105 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8106 goto efault;
5813427b
TS		 8107 fl.l_type = tswap16(target_efl->l_type);
8108 fl.l_whence = tswap16(target_efl->l_whence);
8109 fl.l_start = tswap64(target_efl->l_start);
8110 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8111 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 8112 unlock_user_struct(target_efl, arg3, 0);
8113 } else
8114#endif
8115 {
9ee1fa2c
FB		 8116 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8117 goto efault;
5813427b
TS		 8118 fl.l_type = tswap16(target_fl->l_type);
8119 fl.l_whence = tswap16(target_fl->l_whence);
8120 fl.l_start = tswap64(target_fl->l_start);
8121 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8122 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 8123 unlock_user_struct(target_fl, arg3, 0);
8124 }
b1e341eb 8125 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8126 if (ret == 0) {
ce4defa0
PB		 8127#ifdef TARGET_ARM
8128 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8129 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
8130 goto efault;
ce4defa0
PB		 8131 target_efl->l_type = tswap16(fl.l_type);
8132 target_efl->l_whence = tswap16(fl.l_whence);
8133 target_efl->l_start = tswap64(fl.l_start);
8134 target_efl->l_len = tswap64(fl.l_len);
7e22e546 8135 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 8136 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 8137 } else
8138#endif
8139 {
9ee1fa2c
FB		 8140 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
8141 goto efault;
ce4defa0
PB		 8142 target_fl->l_type = tswap16(fl.l_type);
8143 target_fl->l_whence = tswap16(fl.l_whence);
8144 target_fl->l_start = tswap64(fl.l_start);
8145 target_fl->l_len = tswap64(fl.l_len);
7e22e546 8146 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 8147 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 8148 }
77e4672d
FB		 8149 }
8150 break;
8151
b1e341eb
TS		 8152 case TARGET_F_SETLK64:
8153 case TARGET_F_SETLKW64:
ce4defa0
PB		 8154#ifdef TARGET_ARM
8155 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8156 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8157 goto efault;
ce4defa0
PB		 8158 fl.l_type = tswap16(target_efl->l_type);
8159 fl.l_whence = tswap16(target_efl->l_whence);
8160 fl.l_start = tswap64(target_efl->l_start);
8161 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8162 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 8163 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 8164 } else
8165#endif
8166 {
9ee1fa2c
FB		 8167 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8168 goto efault;
ce4defa0
PB		 8169 fl.l_type = tswap16(target_fl->l_type);
8170 fl.l_whence = tswap16(target_fl->l_whence);
8171 fl.l_start = tswap64(target_fl->l_start);
8172 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8173 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 8174 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 8175 }
b1e341eb 8176 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8177 break;
60cd49d5 8178 default:
5f106811 8179 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 8180 break;
8181 }
77e4672d
FB		 8182 break;
8183 }
60cd49d5 8184#endif
7d600c80
TS		 8185#ifdef TARGET_NR_cacheflush
8186 case TARGET_NR_cacheflush:
8187 /* self-modifying code is handled automatically, so nothing needed */
8188 ret = 0;
8189 break;
8190#endif
ebc05488 8191#ifdef TARGET_NR_security
31e31b8a
FB		 8192 case TARGET_NR_security:
8193 goto unimplemented;
c573ff67
FB		 8194#endif
8195#ifdef TARGET_NR_getpagesize
8196 case TARGET_NR_getpagesize:
8197 ret = TARGET_PAGE_SIZE;
8198 break;
ebc05488 8199#endif
31e31b8a
FB		 8200 case TARGET_NR_gettid:
8201 ret = get_errno(gettid());
8202 break;
e5febef5 8203#ifdef TARGET_NR_readahead
31e31b8a 8204 case TARGET_NR_readahead:
2054ac9b 8205#if TARGET_ABI_BITS == 32
48e515d4 8206 if (regpairs_aligned(cpu_env)) {
2054ac9b
AJ		 8207 arg2 = arg3;
8208 arg3 = arg4;
8209 arg4 = arg5;
8210 }
2054ac9b
AJ		 8211 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
8212#else
8213 ret = get_errno(readahead(arg1, arg2, arg3));
8214#endif
8215 break;
e5febef5 8216#endif
a790ae38 8217#ifdef CONFIG_ATTR
ebc05488 8218#ifdef TARGET_NR_setxattr
31e31b8a
FB		 8219 case TARGET_NR_listxattr:
8220 case TARGET_NR_llistxattr:
fb5590f7
PM		 8221 {
8222 void *p, *b = 0;
8223 if (arg2) {
8224 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8225 if (!b) {
8226 ret = -TARGET_EFAULT;
8227 break;
8228 }
8229 }
8230 p = lock_user_string(arg1);
8231 if (p) {
8232 if (num == TARGET_NR_listxattr) {
8233 ret = get_errno(listxattr(p, b, arg3));
8234 } else {
8235 ret = get_errno(llistxattr(p, b, arg3));
8236 }
8237 } else {
8238 ret = -TARGET_EFAULT;
8239 }
8240 unlock_user(p, arg1, 0);
8241 unlock_user(b, arg2, arg3);
8242 break;
8243 }
31e31b8a 8244 case TARGET_NR_flistxattr:
fb5590f7
PM		 8245 {
8246 void *b = 0;
8247 if (arg2) {
8248 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8249 if (!b) {
8250 ret = -TARGET_EFAULT;
8251 break;
8252 }
8253 }
8254 ret = get_errno(flistxattr(arg1, b, arg3));
8255 unlock_user(b, arg2, arg3);
6f932f91 8256 break;
fb5590f7 8257 }
a790ae38 8258 case TARGET_NR_setxattr:
30297b55 8259 case TARGET_NR_lsetxattr:
a790ae38 8260 {
e3c33ec6
PM		 8261 void *p, *n, *v = 0;
8262 if (arg3) {
8263 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8264 if (!v) {
8265 ret = -TARGET_EFAULT;
8266 break;
8267 }
8268 }
a790ae38
ACH		 8269 p = lock_user_string(arg1);
8270 n = lock_user_string(arg2);
e3c33ec6 8271 if (p && n) {
30297b55
PM		 8272 if (num == TARGET_NR_setxattr) {
8273 ret = get_errno(setxattr(p, n, v, arg4, arg5));
8274 } else {
8275 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
8276 }
a790ae38
ACH		 8277 } else {
8278 ret = -TARGET_EFAULT;
8279 }
8280 unlock_user(p, arg1, 0);
8281 unlock_user(n, arg2, 0);
8282 unlock_user(v, arg3, 0);
8283 }
8284 break;
30297b55
PM		 8285 case TARGET_NR_fsetxattr:
8286 {
8287 void *n, *v = 0;
8288 if (arg3) {
8289 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8290 if (!v) {
8291 ret = -TARGET_EFAULT;
8292 break;
8293 }
8294 }
8295 n = lock_user_string(arg2);
8296 if (n) {
8297 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
8298 } else {
8299 ret = -TARGET_EFAULT;
8300 }
8301 unlock_user(n, arg2, 0);
8302 unlock_user(v, arg3, 0);
8303 }
8304 break;
a790ae38 8305 case TARGET_NR_getxattr:
30297b55 8306 case TARGET_NR_lgetxattr:
a790ae38 8307 {
e3c33ec6
PM		 8308 void *p, *n, *v = 0;
8309 if (arg3) {
8310 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8311 if (!v) {
8312 ret = -TARGET_EFAULT;
8313 break;
8314 }
8315 }
a790ae38
ACH		 8316 p = lock_user_string(arg1);
8317 n = lock_user_string(arg2);
e3c33ec6 8318 if (p && n) {
30297b55
PM		 8319 if (num == TARGET_NR_getxattr) {
8320 ret = get_errno(getxattr(p, n, v, arg4));
8321 } else {
8322 ret = get_errno(lgetxattr(p, n, v, arg4));
8323 }
a790ae38
ACH		 8324 } else {
8325 ret = -TARGET_EFAULT;
8326 }
8327 unlock_user(p, arg1, 0);
8328 unlock_user(n, arg2, 0);
8329 unlock_user(v, arg3, arg4);
8330 }
8331 break;
30297b55
PM		 8332 case TARGET_NR_fgetxattr:
8333 {
8334 void *n, *v = 0;
8335 if (arg3) {
8336 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8337 if (!v) {
8338 ret = -TARGET_EFAULT;
8339 break;
8340 }
8341 }
8342 n = lock_user_string(arg2);
8343 if (n) {
8344 ret = get_errno(fgetxattr(arg1, n, v, arg4));
8345 } else {
8346 ret = -TARGET_EFAULT;
8347 }
8348 unlock_user(n, arg2, 0);
8349 unlock_user(v, arg3, arg4);
8350 }
8351 break;
a790ae38 8352 case TARGET_NR_removexattr:
30297b55 8353 case TARGET_NR_lremovexattr:
a790ae38
ACH		 8354 {
8355 void *p, *n;
8356 p = lock_user_string(arg1);
8357 n = lock_user_string(arg2);
8358 if (p && n) {
30297b55
PM		 8359 if (num == TARGET_NR_removexattr) {
8360 ret = get_errno(removexattr(p, n));
8361 } else {
8362 ret = get_errno(lremovexattr(p, n));
8363 }
a790ae38
ACH		 8364 } else {
8365 ret = -TARGET_EFAULT;
8366 }
8367 unlock_user(p, arg1, 0);
8368 unlock_user(n, arg2, 0);
8369 }
8370 break;
30297b55
PM		 8371 case TARGET_NR_fremovexattr:
8372 {
8373 void *n;
8374 n = lock_user_string(arg2);
8375 if (n) {
8376 ret = get_errno(fremovexattr(arg1, n));
8377 } else {
8378 ret = -TARGET_EFAULT;
8379 }
8380 unlock_user(n, arg2, 0);
8381 }
8382 break;
ebc05488 8383#endif
a790ae38 8384#endif /* CONFIG_ATTR */
ebc05488 8385#ifdef TARGET_NR_set_thread_area
5cd4393b 8386 case TARGET_NR_set_thread_area:
8d18e893 8387#if defined(TARGET_MIPS)
6f5b89a0
TS		 8388 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
8389 ret = 0;
8390 break;
ef96779b
EI		 8391#elif defined(TARGET_CRIS)
8392 if (arg1 & 0xff)
8393 ret = -TARGET_EINVAL;
8394 else {
8395 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
8396 ret = 0;
8397 }
8398 break;
8d18e893
FB		 8399#elif defined(TARGET_I386) && defined(TARGET_ABI32)
8400 ret = do_set_thread_area(cpu_env, arg1);
8401 break;
6f5b89a0
TS		 8402#else
8403 goto unimplemented_nowarn;
8404#endif
8405#endif
8406#ifdef TARGET_NR_get_thread_area
5cd4393b 8407 case TARGET_NR_get_thread_area:
8d18e893
FB		 8408#if defined(TARGET_I386) && defined(TARGET_ABI32)
8409 ret = do_get_thread_area(cpu_env, arg1);
8410#else
5cd4393b 8411 goto unimplemented_nowarn;
48dc41eb 8412#endif
8d18e893 8413#endif
48dc41eb
FB		 8414#ifdef TARGET_NR_getdomainname
8415 case TARGET_NR_getdomainname:
8416 goto unimplemented_nowarn;
ebc05488 8417#endif
6f5b89a0 8418
b5906f95
TS		 8419#ifdef TARGET_NR_clock_gettime
8420 case TARGET_NR_clock_gettime:
8421 {
8422 struct timespec ts;
8423 ret = get_errno(clock_gettime(arg1, &ts));
8424 if (!is_error(ret)) {
8425 host_to_target_timespec(arg2, &ts);
8426 }
8427 break;
8428 }
8429#endif
8430#ifdef TARGET_NR_clock_getres
8431 case TARGET_NR_clock_getres:
8432 {
8433 struct timespec ts;
8434 ret = get_errno(clock_getres(arg1, &ts));
8435 if (!is_error(ret)) {
8436 host_to_target_timespec(arg2, &ts);
8437 }
8438 break;
8439 }
8440#endif
63d7651b
PB		 8441#ifdef TARGET_NR_clock_nanosleep
8442 case TARGET_NR_clock_nanosleep:
8443 {
8444 struct timespec ts;
8445 target_to_host_timespec(&ts, arg3);
8446 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
8447 if (arg4)
8448 host_to_target_timespec(arg4, &ts);
8449 break;
8450 }
8451#endif
b5906f95 8452
6f5b89a0
TS		 8453#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
8454 case TARGET_NR_set_tid_address:
579a97f7
FB		 8455 ret = get_errno(set_tid_address((int *)g2h(arg1)));
8456 break;
6f5b89a0
TS		 8457#endif
8458
3ae43202 8459#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 8460 case TARGET_NR_tkill:
4cb05961 8461 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 8462 break;
8463#endif
8464
3ae43202 8465#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 8466 case TARGET_NR_tgkill:
4cb05961
PB		 8467 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
8468 target_to_host_signal(arg3)));
71455574
TS		 8469 break;
8470#endif
8471
4f2b1fe8
TS		 8472#ifdef TARGET_NR_set_robust_list
8473 case TARGET_NR_set_robust_list:
8474 goto unimplemented_nowarn;
8475#endif
8476
9007f0ef
TS		 8477#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
8478 case TARGET_NR_utimensat:
8479 {
ebc996f3
RV		 8480 struct timespec *tsp, ts[2];
8481 if (!arg3) {
8482 tsp = NULL;
8483 } else {
8484 target_to_host_timespec(ts, arg3);
8485 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
8486 tsp = ts;
8487 }
9007f0ef 8488 if (!arg2)
ebc996f3 8489 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 8490 else {
579a97f7 8491 if (!(p = lock_user_string(arg2))) {
0da46a6e 8492 ret = -TARGET_EFAULT;
579a97f7
FB		 8493 goto fail;
8494 }
ebc996f3 8495 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 8496 unlock_user(p, arg2, 0);
9007f0ef
TS		 8497 }
8498 }
8499 break;
8500#endif
2f7bb878 8501#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 8502 case TARGET_NR_futex:
8503 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
8504 break;
8505#endif
dbfe4c36 8506#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 8507 case TARGET_NR_inotify_init:
8508 ret = get_errno(sys_inotify_init());
8509 break;
8510#endif
a1606b0b 8511#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 8512#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
8513 case TARGET_NR_inotify_init1:
8514 ret = get_errno(sys_inotify_init1(arg1));
8515 break;
8516#endif
a1606b0b 8517#endif
dbfe4c36 8518#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 8519 case TARGET_NR_inotify_add_watch:
8520 p = lock_user_string(arg2);
8521 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
8522 unlock_user(p, arg2, 0);
8523 break;
8524#endif
dbfe4c36 8525#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 8526 case TARGET_NR_inotify_rm_watch:
8527 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
8528 break;
8529#endif
9007f0ef 8530
8ec9cf89 8531#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 8532 case TARGET_NR_mq_open:
8533 {
8534 struct mq_attr posix_mq_attr;
8535
8536 p = lock_user_string(arg1 - 1);
8537 if (arg4 != 0)
8538 copy_from_user_mq_attr (&posix_mq_attr, arg4);
8539 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
8540 unlock_user (p, arg1, 0);
8541 }
8542 break;
8543
8544 case TARGET_NR_mq_unlink:
8545 p = lock_user_string(arg1 - 1);
8546 ret = get_errno(mq_unlink(p));
8547 unlock_user (p, arg1, 0);
8548 break;
8549
8550 case TARGET_NR_mq_timedsend:
8551 {
8552 struct timespec ts;
8553
8554 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8555 if (arg5 != 0) {
8556 target_to_host_timespec(&ts, arg5);
8557 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
8558 host_to_target_timespec(arg5, &ts);
8559 }
8560 else
8561 ret = get_errno(mq_send(arg1, p, arg3, arg4));
8562 unlock_user (p, arg2, arg3);
8563 }
8564 break;
8565
8566 case TARGET_NR_mq_timedreceive:
8567 {
8568 struct timespec ts;
8569 unsigned int prio;
8570
8571 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8572 if (arg5 != 0) {
8573 target_to_host_timespec(&ts, arg5);
8574 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
8575 host_to_target_timespec(arg5, &ts);
8576 }
8577 else
8578 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
8579 unlock_user (p, arg2, arg3);
8580 if (arg4 != 0)
8581 put_user_u32(prio, arg4);
8582 }
8583 break;
8584
8585 /* Not implemented for now... */
8586/* case TARGET_NR_mq_notify: */
8587/* break; */
8588
8589 case TARGET_NR_mq_getsetattr:
8590 {
8591 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
8592 ret = 0;
8593 if (arg3 != 0) {
8594 ret = mq_getattr(arg1, &posix_mq_attr_out);
8595 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
8596 }
8597 if (arg2 != 0) {
8598 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
8599 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
8600 }
8601
8602 }
8603 break;
8604#endif
8605
3ce34dfb 8606#ifdef CONFIG_SPLICE
8607#ifdef TARGET_NR_tee
8608 case TARGET_NR_tee:
8609 {
8610 ret = get_errno(tee(arg1,arg2,arg3,arg4));
8611 }
8612 break;
8613#endif
8614#ifdef TARGET_NR_splice
8615 case TARGET_NR_splice:
8616 {
8617 loff_t loff_in, loff_out;
8618 loff_t *ploff_in = NULL, *ploff_out = NULL;
8619 if(arg2) {
8620 get_user_u64(loff_in, arg2);
8621 ploff_in = &loff_in;
8622 }
8623 if(arg4) {
8624 get_user_u64(loff_out, arg2);
8625 ploff_out = &loff_out;
8626 }
8627 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
8628 }
8629 break;
8630#endif
8631#ifdef TARGET_NR_vmsplice
8632 case TARGET_NR_vmsplice:
8633 {
8634 int count = arg3;
8635 struct iovec *vec;
8636
8637 vec = alloca(count * sizeof(struct iovec));
8638 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
8639 goto efault;
8640 ret = get_errno(vmsplice(arg1, vec, count, arg4));
8641 unlock_iovec(vec, arg2, count, 0);
8642 }
8643 break;
8644#endif
8645#endif /* CONFIG_SPLICE */
c2882b96
RV		 8646#ifdef CONFIG_EVENTFD
8647#if defined(TARGET_NR_eventfd)
8648 case TARGET_NR_eventfd:
8649 ret = get_errno(eventfd(arg1, 0));
8650 break;
8651#endif
8652#if defined(TARGET_NR_eventfd2)
8653 case TARGET_NR_eventfd2:
8654 ret = get_errno(eventfd(arg1, arg2));
8655 break;
8656#endif
8657#endif /* CONFIG_EVENTFD */
d0927938
UH		 8658#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
8659 case TARGET_NR_fallocate:
20249ae1
AG		 8660#if TARGET_ABI_BITS == 32
8661 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
8662 target_offset64(arg5, arg6)));
8663#else
d0927938 8664 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
20249ae1 8665#endif
d0927938 8666 break;
c727f47d
PM		 8667#endif
8668#if defined(CONFIG_SYNC_FILE_RANGE)
8669#if defined(TARGET_NR_sync_file_range)
8670 case TARGET_NR_sync_file_range:
8671#if TARGET_ABI_BITS == 32
bfcedc57
RV		 8672#if defined(TARGET_MIPS)
8673 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8674 target_offset64(arg5, arg6), arg7));
8675#else
c727f47d
PM		 8676 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
8677 target_offset64(arg4, arg5), arg6));
bfcedc57 8678#endif /* !TARGET_MIPS */
c727f47d
PM		 8679#else
8680 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
8681#endif
8682 break;
8683#endif
8684#if defined(TARGET_NR_sync_file_range2)
8685 case TARGET_NR_sync_file_range2:
8686 /* This is like sync_file_range but the arguments are reordered */
8687#if TARGET_ABI_BITS == 32
8688 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8689 target_offset64(arg5, arg6), arg2));
8690#else
8691 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
8692#endif
8693 break;
8694#endif
3b6edd16
PM		 8695#endif
8696#if defined(CONFIG_EPOLL)
8697#if defined(TARGET_NR_epoll_create)
8698 case TARGET_NR_epoll_create:
8699 ret = get_errno(epoll_create(arg1));
8700 break;
8701#endif
8702#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
8703 case TARGET_NR_epoll_create1:
8704 ret = get_errno(epoll_create1(arg1));
8705 break;
8706#endif
8707#if defined(TARGET_NR_epoll_ctl)
8708 case TARGET_NR_epoll_ctl:
8709 {
8710 struct epoll_event ep;
8711 struct epoll_event *epp = 0;
8712 if (arg4) {
8713 struct target_epoll_event *target_ep;
8714 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
8715 goto efault;
8716 }
8717 ep.events = tswap32(target_ep->events);
8718 /* The epoll_data_t union is just opaque data to the kernel,
8719 * so we transfer all 64 bits across and need not worry what
8720 * actual data type it is.
8721 */
8722 ep.data.u64 = tswap64(target_ep->data.u64);
8723 unlock_user_struct(target_ep, arg4, 0);
8724 epp = &ep;
8725 }
8726 ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
8727 break;
8728 }
8729#endif
8730
8731#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
8732#define IMPLEMENT_EPOLL_PWAIT
8733#endif
8734#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
8735#if defined(TARGET_NR_epoll_wait)
8736 case TARGET_NR_epoll_wait:
8737#endif
8738#if defined(IMPLEMENT_EPOLL_PWAIT)
8739 case TARGET_NR_epoll_pwait:
8740#endif
8741 {
8742 struct target_epoll_event *target_ep;
8743 struct epoll_event *ep;
8744 int epfd = arg1;
8745 int maxevents = arg3;
8746 int timeout = arg4;
8747
8748 target_ep = lock_user(VERIFY_WRITE, arg2,
8749 maxevents * sizeof(struct target_epoll_event), 1);
8750 if (!target_ep) {
8751 goto efault;
8752 }
8753
8754 ep = alloca(maxevents * sizeof(struct epoll_event));
8755
8756 switch (num) {
8757#if defined(IMPLEMENT_EPOLL_PWAIT)
8758 case TARGET_NR_epoll_pwait:
8759 {
8760 target_sigset_t *target_set;
8761 sigset_t _set, *set = &_set;
8762
8763 if (arg5) {
8764 target_set = lock_user(VERIFY_READ, arg5,
8765 sizeof(target_sigset_t), 1);
8766 if (!target_set) {
8767 unlock_user(target_ep, arg2, 0);
8768 goto efault;
8769 }
8770 target_to_host_sigset(set, target_set);
8771 unlock_user(target_set, arg5, 0);
8772 } else {
8773 set = NULL;
8774 }
8775
8776 ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
8777 break;
8778 }
8779#endif
8780#if defined(TARGET_NR_epoll_wait)
8781 case TARGET_NR_epoll_wait:
8782 ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
8783 break;
8784#endif
8785 default:
8786 ret = -TARGET_ENOSYS;
8787 }
8788 if (!is_error(ret)) {
8789 int i;
8790 for (i = 0; i < ret; i++) {
8791 target_ep[i].events = tswap32(ep[i].events);
8792 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
8793 }
8794 }
8795 unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
8796 break;
8797 }
8798#endif
163a05a8
PM		 8799#endif
8800#ifdef TARGET_NR_prlimit64
8801 case TARGET_NR_prlimit64:
8802 {
8803 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
8804 struct target_rlimit64 *target_rnew, *target_rold;
8805 struct host_rlimit64 rnew, rold, *rnewp = 0;
8806 if (arg3) {
8807 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
8808 goto efault;
8809 }
8810 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
8811 rnew.rlim_max = tswap64(target_rnew->rlim_max);
8812 unlock_user_struct(target_rnew, arg3, 0);
8813 rnewp = &rnew;
8814 }
8815
8816 ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
8817 if (!is_error(ret) && arg4) {
8818 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
8819 goto efault;
8820 }
8821 target_rold->rlim_cur = tswap64(rold.rlim_cur);
8822 target_rold->rlim_max = tswap64(rold.rlim_max);
8823 unlock_user_struct(target_rold, arg4, 1);
8824 }
8825 break;
8826 }
d0927938 8827#endif
31e31b8a
FB		 8828 default:
8829 unimplemented:
5cd4393b 8830 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 8831#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 8832 unimplemented_nowarn:
80a9d035 8833#endif
0da46a6e 8834 ret = -TARGET_ENOSYS;
31e31b8a
FB		 8835 break;
8836 }
579a97f7 8837fail:
c573ff67 8838#ifdef DEBUG
0bf9e31a 8839 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 8840#endif
b92c47c1
TS		 8841 if(do_strace)
8842 print_syscall_ret(num, ret);
31e31b8a 8843 return ret;
579a97f7
FB		 8844efault:
8845 ret = -TARGET_EFAULT;
8846 goto fail;
31e31b8a 8847}
Qemu copy for testing