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Merge remote-tracking branch 'aneesh/for-upstream' into staging
[mirror_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 589/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
4a1def4e 590#ifdef TARGET_ARM
48e515d4
RV		 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; }
4a1def4e
AG		 596#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
597/* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
598 * of registers which translates to the same as ARM/MIPS, because we start with
599 * r3 as arg1 */
600static inline int regpairs_aligned(void *cpu_env) { return 1; }
48e515d4
RV		 601#else
602static inline int regpairs_aligned(void *cpu_env) { return 0; }
603#endif
604
b92c47c1
TS		 605#define ERRNO_TABLE_SIZE 1200
606
607/* target_to_host_errno_table[] is initialized from
608 * host_to_target_errno_table[] in syscall_init(). */
609static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
610};
611
637947f1 612/*
fe8f096b 613 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 614 * minus the errnos that are not actually generic to all archs.
615 */
b92c47c1 616static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 617 [EIDRM] = TARGET_EIDRM,
618 [ECHRNG] = TARGET_ECHRNG,
619 [EL2NSYNC] = TARGET_EL2NSYNC,
620 [EL3HLT] = TARGET_EL3HLT,
621 [EL3RST] = TARGET_EL3RST,
622 [ELNRNG] = TARGET_ELNRNG,
623 [EUNATCH] = TARGET_EUNATCH,
624 [ENOCSI] = TARGET_ENOCSI,
625 [EL2HLT] = TARGET_EL2HLT,
626 [EDEADLK] = TARGET_EDEADLK,
627 [ENOLCK] = TARGET_ENOLCK,
628 [EBADE] = TARGET_EBADE,
629 [EBADR] = TARGET_EBADR,
630 [EXFULL] = TARGET_EXFULL,
631 [ENOANO] = TARGET_ENOANO,
632 [EBADRQC] = TARGET_EBADRQC,
633 [EBADSLT] = TARGET_EBADSLT,
634 [EBFONT] = TARGET_EBFONT,
635 [ENOSTR] = TARGET_ENOSTR,
636 [ENODATA] = TARGET_ENODATA,
637 [ETIME] = TARGET_ETIME,
638 [ENOSR] = TARGET_ENOSR,
639 [ENONET] = TARGET_ENONET,
640 [ENOPKG] = TARGET_ENOPKG,
641 [EREMOTE] = TARGET_EREMOTE,
642 [ENOLINK] = TARGET_ENOLINK,
643 [EADV] = TARGET_EADV,
644 [ESRMNT] = TARGET_ESRMNT,
645 [ECOMM] = TARGET_ECOMM,
646 [EPROTO] = TARGET_EPROTO,
647 [EDOTDOT] = TARGET_EDOTDOT,
648 [EMULTIHOP] = TARGET_EMULTIHOP,
649 [EBADMSG] = TARGET_EBADMSG,
650 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
651 [EOVERFLOW] = TARGET_EOVERFLOW,
652 [ENOTUNIQ] = TARGET_ENOTUNIQ,
653 [EBADFD] = TARGET_EBADFD,
654 [EREMCHG] = TARGET_EREMCHG,
655 [ELIBACC] = TARGET_ELIBACC,
656 [ELIBBAD] = TARGET_ELIBBAD,
657 [ELIBSCN] = TARGET_ELIBSCN,
658 [ELIBMAX] = TARGET_ELIBMAX,
659 [ELIBEXEC] = TARGET_ELIBEXEC,
660 [EILSEQ] = TARGET_EILSEQ,
661 [ENOSYS] = TARGET_ENOSYS,
662 [ELOOP] = TARGET_ELOOP,
663 [ERESTART] = TARGET_ERESTART,
664 [ESTRPIPE] = TARGET_ESTRPIPE,
665 [ENOTEMPTY] = TARGET_ENOTEMPTY,
666 [EUSERS] = TARGET_EUSERS,
667 [ENOTSOCK] = TARGET_ENOTSOCK,
668 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
669 [EMSGSIZE] = TARGET_EMSGSIZE,
670 [EPROTOTYPE] = TARGET_EPROTOTYPE,
671 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
672 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
673 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
674 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
675 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
676 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
677 [EADDRINUSE] = TARGET_EADDRINUSE,
678 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
679 [ENETDOWN] = TARGET_ENETDOWN,
680 [ENETUNREACH] = TARGET_ENETUNREACH,
681 [ENETRESET] = TARGET_ENETRESET,
682 [ECONNABORTED] = TARGET_ECONNABORTED,
683 [ECONNRESET] = TARGET_ECONNRESET,
684 [ENOBUFS] = TARGET_ENOBUFS,
685 [EISCONN] = TARGET_EISCONN,
686 [ENOTCONN] = TARGET_ENOTCONN,
687 [EUCLEAN] = TARGET_EUCLEAN,
688 [ENOTNAM] = TARGET_ENOTNAM,
689 [ENAVAIL] = TARGET_ENAVAIL,
690 [EISNAM] = TARGET_EISNAM,
691 [EREMOTEIO] = TARGET_EREMOTEIO,
692 [ESHUTDOWN] = TARGET_ESHUTDOWN,
693 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
694 [ETIMEDOUT] = TARGET_ETIMEDOUT,
695 [ECONNREFUSED] = TARGET_ECONNREFUSED,
696 [EHOSTDOWN] = TARGET_EHOSTDOWN,
697 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
698 [EALREADY] = TARGET_EALREADY,
699 [EINPROGRESS] = TARGET_EINPROGRESS,
700 [ESTALE] = TARGET_ESTALE,
701 [ECANCELED] = TARGET_ECANCELED,
702 [ENOMEDIUM] = TARGET_ENOMEDIUM,
703 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 704#ifdef ENOKEY
637947f1 705 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 706#endif
707#ifdef EKEYEXPIRED
637947f1 708 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 709#endif
710#ifdef EKEYREVOKED
637947f1 711 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 712#endif
713#ifdef EKEYREJECTED
637947f1 714 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 715#endif
716#ifdef EOWNERDEAD
637947f1 717 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 718#endif
719#ifdef ENOTRECOVERABLE
637947f1 720 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 721#endif
b92c47c1 722};
637947f1
TS		 723
724static inline int host_to_target_errno(int err)
725{
726 if(host_to_target_errno_table[err])
727 return host_to_target_errno_table[err];
728 return err;
729}
730
b92c47c1
TS		 731static inline int target_to_host_errno(int err)
732{
733 if (target_to_host_errno_table[err])
734 return target_to_host_errno_table[err];
735 return err;
736}
737
992f48a0 738static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 739{
740 if (ret == -1)
637947f1 741 return -host_to_target_errno(errno);
31e31b8a
FB		 742 else
743 return ret;
744}
745
992f48a0 746static inline int is_error(abi_long ret)
31e31b8a 747{
992f48a0 748 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 749}
750
b92c47c1
TS		 751char *target_strerror(int err)
752{
962b289e
AG		 753 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
754 return NULL;
755 }
b92c47c1
TS		 756 return strerror(target_to_host_errno(err));
757}
758
992f48a0
BS		 759static abi_ulong target_brk;
760static abi_ulong target_original_brk;
4d1de87c 761static abi_ulong brk_page;
31e31b8a 762
992f48a0 763void target_set_brk(abi_ulong new_brk)
31e31b8a 764{
4c1de73d 765 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
4d1de87c 766 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 767}
768
4d1de87c
CV		 769//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
770#define DEBUGF_BRK(message, args...)
771
0da46a6e 772/* do_brk() must return target values and target errnos. */
992f48a0 773abi_long do_brk(abi_ulong new_brk)
31e31b8a 774{
992f48a0 775 abi_long mapped_addr;
31e31b8a
FB		 776 int new_alloc_size;
777
3a0c6c4a 778 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
4d1de87c
CV		 779
780 if (!new_brk) {
3a0c6c4a 781 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
53a5960a 782 return target_brk;
4d1de87c
CV		 783 }
784 if (new_brk < target_original_brk) {
3a0c6c4a
PB		 785 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
786 target_brk);
7ab240ad 787 return target_brk;
4d1de87c 788 }
3b46e624 789
4d1de87c
CV		 790 /* If the new brk is less than the highest page reserved to the
791 * target heap allocation, set it and we're almost done... */
792 if (new_brk <= brk_page) {
793 /* Heap contents are initialized to zero, as for anonymous
794 * mapped pages. */
795 if (new_brk > target_brk) {
796 memset(g2h(target_brk), 0, new_brk - target_brk);
797 }
31e31b8a 798 target_brk = new_brk;
3a0c6c4a 799 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
53a5960a 800 return target_brk;
31e31b8a
FB		 801 }
802
00faf08c
PM		 803 /* We need to allocate more memory after the brk... Note that
804 * we don't use MAP_FIXED because that will map over the top of
805 * any existing mapping (like the one with the host libc or qemu
806 * itself); instead we treat "mapped but at wrong address" as
807 * a failure and unmap again.
808 */
4d1de87c 809 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
5fafdf24 810 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004 811 PROT_READ|PROT_WRITE,
00faf08c
PM		 812 MAP_ANON|MAP_PRIVATE, 0, 0));
813
814 if (mapped_addr == brk_page) {
70afc343
CV		 815 /* Heap contents are initialized to zero, as for anonymous
816 * mapped pages. Technically the new pages are already
817 * initialized to zero since they *are* anonymous mapped
818 * pages, however we have to take care with the contents that
819 * come from the remaining part of the previous page: it may
820 * contains garbage data due to a previous heap usage (grown
821 * then shrunken). */
822 memset(g2h(target_brk), 0, brk_page - target_brk);
823
00faf08c 824 target_brk = new_brk;
4d1de87c 825 brk_page = HOST_PAGE_ALIGN(target_brk);
3a0c6c4a
PB		 826 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
827 target_brk);
00faf08c
PM		 828 return target_brk;
829 } else if (mapped_addr != -1) {
830 /* Mapped but at wrong address, meaning there wasn't actually
831 * enough space for this brk.
832 */
833 target_munmap(mapped_addr, new_alloc_size);
834 mapped_addr = -1;
3a0c6c4a 835 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
4d1de87c
CV		 836 }
837 else {
3a0c6c4a 838 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
00faf08c 839 }
7ab240ad 840
7dd46c02
RH		 841#if defined(TARGET_ALPHA)
842 /* We (partially) emulate OSF/1 on Alpha, which requires we
843 return a proper errno, not an unchanged brk value. */
00faf08c 844 return -TARGET_ENOMEM;
7dd46c02 845#endif
00faf08c 846 /* For everything else, return the previous break. */
7ab240ad 847 return target_brk;
31e31b8a
FB		 848}
849
26edcf41
TS		 850static inline abi_long copy_from_user_fdset(fd_set *fds,
851 abi_ulong target_fds_addr,
852 int n)
31e31b8a 853{
26edcf41
TS		 854 int i, nw, j, k;
855 abi_ulong b, *target_fds;
856
857 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
858 if (!(target_fds = lock_user(VERIFY_READ,
859 target_fds_addr,
860 sizeof(abi_ulong) * nw,
861 1)))
862 return -TARGET_EFAULT;
863
864 FD_ZERO(fds);
865 k = 0;
866 for (i = 0; i < nw; i++) {
867 /* grab the abi_ulong */
868 __get_user(b, &target_fds[i]);
869 for (j = 0; j < TARGET_ABI_BITS; j++) {
870 /* check the bit inside the abi_ulong */
871 if ((b >> j) & 1)
872 FD_SET(k, fds);
873 k++;
31e31b8a 874 }
31e31b8a 875 }
26edcf41
TS		 876
877 unlock_user(target_fds, target_fds_addr, 0);
878
879 return 0;
31e31b8a
FB		 880}
881
055e0906
MF		 882static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
883 abi_ulong target_fds_addr,
884 int n)
885{
886 if (target_fds_addr) {
887 if (copy_from_user_fdset(fds, target_fds_addr, n))
888 return -TARGET_EFAULT;
889 *fds_ptr = fds;
890 } else {
891 *fds_ptr = NULL;
892 }
893 return 0;
894}
895
26edcf41
TS		 896static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
897 const fd_set *fds,
898 int n)
31e31b8a 899{
31e31b8a 900 int i, nw, j, k;
992f48a0 901 abi_long v;
26edcf41 902 abi_ulong *target_fds;
31e31b8a 903
26edcf41
TS		 904 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
905 if (!(target_fds = lock_user(VERIFY_WRITE,
906 target_fds_addr,
907 sizeof(abi_ulong) * nw,
908 0)))
909 return -TARGET_EFAULT;
910
911 k = 0;
912 for (i = 0; i < nw; i++) {
913 v = 0;
914 for (j = 0; j < TARGET_ABI_BITS; j++) {
915 v |= ((FD_ISSET(k, fds) != 0) << j);
916 k++;
31e31b8a 917 }
26edcf41 918 __put_user(v, &target_fds[i]);
31e31b8a 919 }
26edcf41
TS		 920
921 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
922
923 return 0;
31e31b8a
FB		 924}
925
c596ed17
FB		 926#if defined(__alpha__)
927#define HOST_HZ 1024
928#else
929#define HOST_HZ 100
930#endif
931
992f48a0 932static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 933{
934#if HOST_HZ == TARGET_HZ
935 return ticks;
936#else
937 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
938#endif
939}
940
579a97f7
FB		 941static inline abi_long host_to_target_rusage(abi_ulong target_addr,
942 const struct rusage *rusage)
b409186b 943{
53a5960a
PB		 944 struct target_rusage *target_rusage;
945
579a97f7
FB		 946 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
947 return -TARGET_EFAULT;
cbb21eed
MB		 948 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
949 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
950 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
951 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
952 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
953 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
954 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
955 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
956 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
957 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
958 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
959 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
960 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
961 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
962 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
963 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
964 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
965 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
53a5960a 966 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 967
968 return 0;
b409186b
FB		 969}
970
cbb21eed 971static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
81bbe906 972{
cbb21eed 973 abi_ulong target_rlim_swap;
95b33b2f
WT		 974 rlim_t result;
975
cbb21eed
MB		 976 target_rlim_swap = tswapal(target_rlim);
977 if (target_rlim_swap == TARGET_RLIM_INFINITY)
978 return RLIM_INFINITY;
979
980 result = target_rlim_swap;
981 if (target_rlim_swap != (rlim_t)result)
982 return RLIM_INFINITY;
95b33b2f
WT		 983
984 return result;
81bbe906
TY		 985}
986
cbb21eed 987static inline abi_ulong host_to_target_rlim(rlim_t rlim)
81bbe906 988{
cbb21eed
MB		 989 abi_ulong target_rlim_swap;
990 abi_ulong result;
95b33b2f 991
cbb21eed 992 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
95b33b2f 993 target_rlim_swap = TARGET_RLIM_INFINITY;
81bbe906 994 else
95b33b2f 995 target_rlim_swap = rlim;
cbb21eed 996 result = tswapal(target_rlim_swap);
95b33b2f
WT		 997
998 return result;
81bbe906
TY		 999}
1000
e22b7015
WT		 1001static inline int target_to_host_resource(int code)
1002{
1003 switch (code) {
1004 case TARGET_RLIMIT_AS:
1005 return RLIMIT_AS;
1006 case TARGET_RLIMIT_CORE:
1007 return RLIMIT_CORE;
1008 case TARGET_RLIMIT_CPU:
1009 return RLIMIT_CPU;
1010 case TARGET_RLIMIT_DATA:
1011 return RLIMIT_DATA;
1012 case TARGET_RLIMIT_FSIZE:
1013 return RLIMIT_FSIZE;
1014 case TARGET_RLIMIT_LOCKS:
1015 return RLIMIT_LOCKS;
1016 case TARGET_RLIMIT_MEMLOCK:
1017 return RLIMIT_MEMLOCK;
1018 case TARGET_RLIMIT_MSGQUEUE:
1019 return RLIMIT_MSGQUEUE;
1020 case TARGET_RLIMIT_NICE:
1021 return RLIMIT_NICE;
1022 case TARGET_RLIMIT_NOFILE:
1023 return RLIMIT_NOFILE;
1024 case TARGET_RLIMIT_NPROC:
1025 return RLIMIT_NPROC;
1026 case TARGET_RLIMIT_RSS:
1027 return RLIMIT_RSS;
1028 case TARGET_RLIMIT_RTPRIO:
1029 return RLIMIT_RTPRIO;
1030 case TARGET_RLIMIT_SIGPENDING:
1031 return RLIMIT_SIGPENDING;
1032 case TARGET_RLIMIT_STACK:
1033 return RLIMIT_STACK;
1034 default:
1035 return code;
1036 }
1037}
1038
788f5ec4
TS		 1039static inline abi_long copy_from_user_timeval(struct timeval *tv,
1040 abi_ulong target_tv_addr)
31e31b8a 1041{
53a5960a
PB		 1042 struct target_timeval *target_tv;
1043
788f5ec4 1044 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 1045 return -TARGET_EFAULT;
788f5ec4
TS		 1046
1047 __get_user(tv->tv_sec, &target_tv->tv_sec);
1048 __get_user(tv->tv_usec, &target_tv->tv_usec);
1049
1050 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 1051
1052 return 0;
31e31b8a
FB		 1053}
1054
788f5ec4
TS		 1055static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1056 const struct timeval *tv)
31e31b8a 1057{
53a5960a
PB		 1058 struct target_timeval *target_tv;
1059
788f5ec4 1060 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 1061 return -TARGET_EFAULT;
788f5ec4
TS		 1062
1063 __put_user(tv->tv_sec, &target_tv->tv_sec);
1064 __put_user(tv->tv_usec, &target_tv->tv_usec);
1065
1066 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 1067
1068 return 0;
31e31b8a
FB		 1069}
1070
8ec9cf89
NF		 1071#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1072#include <mqueue.h>
1073
24e1003a
AJ		 1074static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1075 abi_ulong target_mq_attr_addr)
1076{
1077 struct target_mq_attr *target_mq_attr;
1078
1079 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1080 target_mq_attr_addr, 1))
1081 return -TARGET_EFAULT;
1082
1083 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1084 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1085 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1086 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1087
1088 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1089
1090 return 0;
1091}
1092
1093static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1094 const struct mq_attr *attr)
1095{
1096 struct target_mq_attr *target_mq_attr;
1097
1098 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1099 target_mq_attr_addr, 0))
1100 return -TARGET_EFAULT;
1101
1102 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1103 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1104 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1105 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1106
1107 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1108
1109 return 0;
1110}
8ec9cf89 1111#endif
31e31b8a 1112
055e0906 1113#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
0da46a6e 1114/* do_select() must return target values and target errnos. */
992f48a0 1115static abi_long do_select(int n,
26edcf41
TS		 1116 abi_ulong rfd_addr, abi_ulong wfd_addr,
1117 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 1118{
1119 fd_set rfds, wfds, efds;
1120 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1121 struct timeval tv, *tv_ptr;
992f48a0 1122 abi_long ret;
31e31b8a 1123
055e0906
MF		 1124 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1125 if (ret) {
1126 return ret;
53a5960a 1127 }
055e0906
MF		 1128 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1129 if (ret) {
1130 return ret;
53a5960a 1131 }
055e0906
MF		 1132 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1133 if (ret) {
1134 return ret;
53a5960a 1135 }
3b46e624 1136
26edcf41 1137 if (target_tv_addr) {
788f5ec4
TS		 1138 if (copy_from_user_timeval(&tv, target_tv_addr))
1139 return -TARGET_EFAULT;
31e31b8a
FB		 1140 tv_ptr = &tv;
1141 } else {
1142 tv_ptr = NULL;
1143 }
26edcf41 1144
31e31b8a 1145 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 1146
26edcf41
TS		 1147 if (!is_error(ret)) {
1148 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1149 return -TARGET_EFAULT;
1150 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1151 return -TARGET_EFAULT;
1152 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1153 return -TARGET_EFAULT;
31e31b8a 1154
788f5ec4
TS		 1155 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
1156 return -TARGET_EFAULT;
31e31b8a 1157 }
579a97f7 1158
31e31b8a
FB		 1159 return ret;
1160}
055e0906 1161#endif
31e31b8a 1162
099d6b0f
RV		 1163static abi_long do_pipe2(int host_pipe[], int flags)
1164{
1165#ifdef CONFIG_PIPE2
1166 return pipe2(host_pipe, flags);
1167#else
1168 return -ENOSYS;
1169#endif
1170}
1171
fb41a66e
RH		 1172static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1173 int flags, int is_pipe2)
099d6b0f
RV		 1174{
1175 int host_pipe[2];
1176 abi_long ret;
1177 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1178
1179 if (is_error(ret))
1180 return get_errno(ret);
fb41a66e
RH		 1181
1182 /* Several targets have special calling conventions for the original
1183 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1184 if (!is_pipe2) {
1185#if defined(TARGET_ALPHA)
1186 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1187 return host_pipe[0];
1188#elif defined(TARGET_MIPS)
1189 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1190 return host_pipe[0];
1191#elif defined(TARGET_SH4)
597c0212 1192 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
fb41a66e 1193 return host_pipe[0];
597c0212 1194#endif
fb41a66e
RH		 1195 }
1196
099d6b0f
RV		 1197 if (put_user_s32(host_pipe[0], pipedes)
1198 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1199 return -TARGET_EFAULT;
099d6b0f
RV		 1200 return get_errno(ret);
1201}
1202
b975b83b
LL		 1203static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1204 abi_ulong target_addr,
1205 socklen_t len)
1206{
1207 struct target_ip_mreqn *target_smreqn;
1208
1209 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1210 if (!target_smreqn)
1211 return -TARGET_EFAULT;
1212 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1213 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1214 if (len == sizeof(struct target_ip_mreqn))
cbb21eed 1215 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
b975b83b
LL		 1216 unlock_user(target_smreqn, target_addr, 0);
1217
1218 return 0;
1219}
1220
579a97f7
FB		 1221static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1222 abi_ulong target_addr,
1223 socklen_t len)
7854b056 1224{
607175e0
AJ		 1225 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1226 sa_family_t sa_family;
53a5960a
PB		 1227 struct target_sockaddr *target_saddr;
1228
579a97f7
FB		 1229 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1230 if (!target_saddr)
1231 return -TARGET_EFAULT;
607175e0
AJ		 1232
1233 sa_family = tswap16(target_saddr->sa_family);
1234
1235 /* Oops. The caller might send a incomplete sun_path; sun_path
1236 * must be terminated by \0 (see the manual page), but
1237 * unfortunately it is quite common to specify sockaddr_un
1238 * length as "strlen(x->sun_path)" while it should be
1239 * "strlen(...) + 1". We'll fix that here if needed.
1240 * Linux kernel has a similar feature.
1241 */
1242
1243 if (sa_family == AF_UNIX) {
1244 if (len < unix_maxlen && len > 0) {
1245 char *cp = (char*)target_saddr;
1246
1247 if ( cp[len-1] && !cp[len] )
1248 len++;
1249 }
1250 if (len > unix_maxlen)
1251 len = unix_maxlen;
1252 }
1253
53a5960a 1254 memcpy(addr, target_saddr, len);
607175e0 1255 addr->sa_family = sa_family;
53a5960a 1256 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1257
1258 return 0;
7854b056
FB		 1259}
1260
579a97f7
FB		 1261static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1262 struct sockaddr *addr,
1263 socklen_t len)
7854b056 1264{
53a5960a
PB		 1265 struct target_sockaddr *target_saddr;
1266
579a97f7
FB		 1267 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1268 if (!target_saddr)
1269 return -TARGET_EFAULT;
53a5960a
PB		 1270 memcpy(target_saddr, addr, len);
1271 target_saddr->sa_family = tswap16(addr->sa_family);
1272 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1273
1274 return 0;
7854b056
FB		 1275}
1276
5a4a898d
FB		 1277static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1278 struct target_msghdr *target_msgh)
7854b056
FB		 1279{
1280 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1281 abi_long msg_controllen;
1282 abi_ulong target_cmsg_addr;
1283 struct target_cmsghdr *target_cmsg;
7854b056 1284 socklen_t space = 0;
5a4a898d 1285
cbb21eed 1286 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1287 if (msg_controllen < sizeof (struct target_cmsghdr))
1288 goto the_end;
cbb21eed 1289 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1290 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1291 if (!target_cmsg)
1292 return -TARGET_EFAULT;
7854b056
FB		 1293
1294 while (cmsg && target_cmsg) {
1295 void *data = CMSG_DATA(cmsg);
1296 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1297
cbb21eed 1298 int len = tswapal(target_cmsg->cmsg_len)
7854b056
FB		 1299 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1300
1301 space += CMSG_SPACE(len);
1302 if (space > msgh->msg_controllen) {
1303 space -= CMSG_SPACE(len);
31febb71 1304 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1305 break;
1306 }
1307
1308 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1309 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1310 cmsg->cmsg_len = CMSG_LEN(len);
1311
3532fa74 1312 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1313 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1314 memcpy(data, target_data, len);
1315 } else {
1316 int *fd = (int *)data;
1317 int *target_fd = (int *)target_data;
1318 int i, numfds = len / sizeof(int);
1319
1320 for (i = 0; i < numfds; i++)
1321 fd[i] = tswap32(target_fd[i]);
1322 }
1323
1324 cmsg = CMSG_NXTHDR(msgh, cmsg);
1325 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1326 }
5a4a898d
FB		 1327 unlock_user(target_cmsg, target_cmsg_addr, 0);
1328 the_end:
7854b056 1329 msgh->msg_controllen = space;
5a4a898d 1330 return 0;
7854b056
FB		 1331}
1332
5a4a898d
FB		 1333static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1334 struct msghdr *msgh)
7854b056
FB		 1335{
1336 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1337 abi_long msg_controllen;
1338 abi_ulong target_cmsg_addr;
1339 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1340 socklen_t space = 0;
1341
cbb21eed 1342 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1343 if (msg_controllen < sizeof (struct target_cmsghdr))
1344 goto the_end;
cbb21eed 1345 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1346 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1347 if (!target_cmsg)
1348 return -TARGET_EFAULT;
1349
7854b056
FB		 1350 while (cmsg && target_cmsg) {
1351 void *data = CMSG_DATA(cmsg);
1352 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1353
1354 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1355
1356 space += TARGET_CMSG_SPACE(len);
5a4a898d 1357 if (space > msg_controllen) {
7854b056 1358 space -= TARGET_CMSG_SPACE(len);
31febb71 1359 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1360 break;
1361 }
1362
1363 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1364 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
cbb21eed 1365 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
7854b056 1366
aebf5bc7
JH		 1367 if ((cmsg->cmsg_level == TARGET_SOL_SOCKET) &&
1368 (cmsg->cmsg_type == SCM_RIGHTS)) {
7854b056
FB		 1369 int *fd = (int *)data;
1370 int *target_fd = (int *)target_data;
1371 int i, numfds = len / sizeof(int);
1372
1373 for (i = 0; i < numfds; i++)
1374 target_fd[i] = tswap32(fd[i]);
aebf5bc7
JH		 1375 } else if ((cmsg->cmsg_level == TARGET_SOL_SOCKET) &&
1376 (cmsg->cmsg_type == SO_TIMESTAMP) &&
1377 (len == sizeof(struct timeval))) {
1378 /* copy struct timeval to target */
1379 struct timeval *tv = (struct timeval *)data;
1380 struct target_timeval *target_tv =
1381 (struct target_timeval *)target_data;
1382
1383 target_tv->tv_sec = tswapal(tv->tv_sec);
1384 target_tv->tv_usec = tswapal(tv->tv_usec);
1385 } else {
1386 gemu_log("Unsupported ancillary data: %d/%d\n",
1387 cmsg->cmsg_level, cmsg->cmsg_type);
1388 memcpy(target_data, data, len);
7854b056
FB		 1389 }
1390
1391 cmsg = CMSG_NXTHDR(msgh, cmsg);
1392 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1393 }
5a4a898d
FB		 1394 unlock_user(target_cmsg, target_cmsg_addr, space);
1395 the_end:
cbb21eed 1396 target_msgh->msg_controllen = tswapal(space);
5a4a898d 1397 return 0;
7854b056
FB		 1398}
1399
0da46a6e 1400/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1401static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1402 abi_ulong optval_addr, socklen_t optlen)
7854b056 1403{
992f48a0 1404 abi_long ret;
32407103 1405 int val;
b975b83b 1406 struct ip_mreqn *ip_mreq;
6e3cb58f 1407 struct ip_mreq_source *ip_mreq_source;
3b46e624 1408
8853f86e
FB		 1409 switch(level) {
1410 case SOL_TCP:
7854b056 1411 /* TCP options all take an 'int' value. */
7854b056 1412 if (optlen < sizeof(uint32_t))
0da46a6e 1413 return -TARGET_EINVAL;
3b46e624 1414
2f619698
FB		 1415 if (get_user_u32(val, optval_addr))
1416 return -TARGET_EFAULT;
8853f86e
FB		 1417 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1418 break;
1419 case SOL_IP:
1420 switch(optname) {
2efbe911
FB		 1421 case IP_TOS:
1422 case IP_TTL:
8853f86e 1423 case IP_HDRINCL:
2efbe911
FB		 1424 case IP_ROUTER_ALERT:
1425 case IP_RECVOPTS:
1426 case IP_RETOPTS:
1427 case IP_PKTINFO:
1428 case IP_MTU_DISCOVER:
1429 case IP_RECVERR:
1430 case IP_RECVTOS:
1431#ifdef IP_FREEBIND
1432 case IP_FREEBIND:
1433#endif
1434 case IP_MULTICAST_TTL:
1435 case IP_MULTICAST_LOOP:
8853f86e
FB		 1436 val = 0;
1437 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1438 if (get_user_u32(val, optval_addr))
1439 return -TARGET_EFAULT;
8853f86e 1440 } else if (optlen >= 1) {
2f619698
FB		 1441 if (get_user_u8(val, optval_addr))
1442 return -TARGET_EFAULT;
8853f86e
FB		 1443 }
1444 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1445 break;
b975b83b
LL		 1446 case IP_ADD_MEMBERSHIP:
1447 case IP_DROP_MEMBERSHIP:
1448 if (optlen < sizeof (struct target_ip_mreq) ||
1449 optlen > sizeof (struct target_ip_mreqn))
1450 return -TARGET_EINVAL;
1451
1452 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1453 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1454 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1455 break;
1456
6e3cb58f
LL		 1457 case IP_BLOCK_SOURCE:
1458 case IP_UNBLOCK_SOURCE:
1459 case IP_ADD_SOURCE_MEMBERSHIP:
1460 case IP_DROP_SOURCE_MEMBERSHIP:
1461 if (optlen != sizeof (struct target_ip_mreq_source))
1462 return -TARGET_EINVAL;
1463
1464 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1465 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1466 unlock_user (ip_mreq_source, optval_addr, 0);
1467 break;
1468
920394db
JH		 1469 default:
1470 goto unimplemented;
1471 }
1472 break;
1473 case SOL_RAW:
1474 switch (optname) {
1475 case ICMP_FILTER:
1476 /* struct icmp_filter takes an u32 value */
1477 if (optlen < sizeof(uint32_t)) {
1478 return -TARGET_EINVAL;
1479 }
1480
1481 if (get_user_u32(val, optval_addr)) {
1482 return -TARGET_EFAULT;
1483 }
1484 ret = get_errno(setsockopt(sockfd, level, optname,
1485 &val, sizeof(val)));
1486 break;
1487
8853f86e
FB		 1488 default:
1489 goto unimplemented;
1490 }
1491 break;
3532fa74 1492 case TARGET_SOL_SOCKET:
8853f86e
FB		 1493 switch (optname) {
1494 /* Options with 'int' argument. */
3532fa74
FB		 1495 case TARGET_SO_DEBUG:
1496 optname = SO_DEBUG;
1497 break;
1498 case TARGET_SO_REUSEADDR:
1499 optname = SO_REUSEADDR;
1500 break;
1501 case TARGET_SO_TYPE:
1502 optname = SO_TYPE;
1503 break;
1504 case TARGET_SO_ERROR:
1505 optname = SO_ERROR;
1506 break;
1507 case TARGET_SO_DONTROUTE:
1508 optname = SO_DONTROUTE;
1509 break;
1510 case TARGET_SO_BROADCAST:
1511 optname = SO_BROADCAST;
1512 break;
1513 case TARGET_SO_SNDBUF:
1514 optname = SO_SNDBUF;
1515 break;
1516 case TARGET_SO_RCVBUF:
1517 optname = SO_RCVBUF;
1518 break;
1519 case TARGET_SO_KEEPALIVE:
1520 optname = SO_KEEPALIVE;
1521 break;
1522 case TARGET_SO_OOBINLINE:
1523 optname = SO_OOBINLINE;
1524 break;
1525 case TARGET_SO_NO_CHECK:
1526 optname = SO_NO_CHECK;
1527 break;
1528 case TARGET_SO_PRIORITY:
1529 optname = SO_PRIORITY;
1530 break;
5e83e8e3 1531#ifdef SO_BSDCOMPAT
3532fa74
FB		 1532 case TARGET_SO_BSDCOMPAT:
1533 optname = SO_BSDCOMPAT;
1534 break;
5e83e8e3 1535#endif
3532fa74
FB		 1536 case TARGET_SO_PASSCRED:
1537 optname = SO_PASSCRED;
1538 break;
1539 case TARGET_SO_TIMESTAMP:
1540 optname = SO_TIMESTAMP;
1541 break;
1542 case TARGET_SO_RCVLOWAT:
1543 optname = SO_RCVLOWAT;
1544 break;
1545 case TARGET_SO_RCVTIMEO:
1546 optname = SO_RCVTIMEO;
1547 break;
1548 case TARGET_SO_SNDTIMEO:
1549 optname = SO_SNDTIMEO;
1550 break;
8853f86e
FB		 1551 break;
1552 default:
1553 goto unimplemented;
1554 }
3532fa74 1555 if (optlen < sizeof(uint32_t))
2f619698 1556 return -TARGET_EINVAL;
3532fa74 1557
2f619698
FB		 1558 if (get_user_u32(val, optval_addr))
1559 return -TARGET_EFAULT;
3532fa74 1560 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1561 break;
7854b056 1562 default:
8853f86e 1563 unimplemented:
b2bedb21 1564 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
6fa13c17 1565 ret = -TARGET_ENOPROTOOPT;
7854b056 1566 }
8853f86e 1567 return ret;
7854b056
FB		 1568}
1569
0da46a6e 1570/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1571static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1572 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1573{
992f48a0 1574 abi_long ret;
b55266b5
BS		 1575 int len, val;
1576 socklen_t lv;
8853f86e
FB		 1577
1578 switch(level) {
3532fa74 1579 case TARGET_SOL_SOCKET:
f3b974cd
JL		 1580 level = SOL_SOCKET;
1581 switch (optname) {
1582 /* These don't just return a single integer */
1583 case TARGET_SO_LINGER:
1584 case TARGET_SO_RCVTIMEO:
1585 case TARGET_SO_SNDTIMEO:
f3b974cd
JL		 1586 case TARGET_SO_PEERNAME:
1587 goto unimplemented;
583359a6
AP		 1588 case TARGET_SO_PEERCRED: {
1589 struct ucred cr;
1590 socklen_t crlen;
1591 struct target_ucred *tcr;
1592
1593 if (get_user_u32(len, optlen)) {
1594 return -TARGET_EFAULT;
1595 }
1596 if (len < 0) {
1597 return -TARGET_EINVAL;
1598 }
1599
1600 crlen = sizeof(cr);
1601 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
1602 &cr, &crlen));
1603 if (ret < 0) {
1604 return ret;
1605 }
1606 if (len > crlen) {
1607 len = crlen;
1608 }
1609 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
1610 return -TARGET_EFAULT;
1611 }
1612 __put_user(cr.pid, &tcr->pid);
1613 __put_user(cr.uid, &tcr->uid);
1614 __put_user(cr.gid, &tcr->gid);
1615 unlock_user_struct(tcr, optval_addr, 1);
1616 if (put_user_u32(len, optlen)) {
1617 return -TARGET_EFAULT;
1618 }
1619 break;
1620 }
f3b974cd
JL		 1621 /* Options with 'int' argument. */
1622 case TARGET_SO_DEBUG:
1623 optname = SO_DEBUG;
1624 goto int_case;
1625 case TARGET_SO_REUSEADDR:
1626 optname = SO_REUSEADDR;
1627 goto int_case;
1628 case TARGET_SO_TYPE:
1629 optname = SO_TYPE;
1630 goto int_case;
1631 case TARGET_SO_ERROR:
1632 optname = SO_ERROR;
1633 goto int_case;
1634 case TARGET_SO_DONTROUTE:
1635 optname = SO_DONTROUTE;
1636 goto int_case;
1637 case TARGET_SO_BROADCAST:
1638 optname = SO_BROADCAST;
1639 goto int_case;
1640 case TARGET_SO_SNDBUF:
1641 optname = SO_SNDBUF;
1642 goto int_case;
1643 case TARGET_SO_RCVBUF:
1644 optname = SO_RCVBUF;
1645 goto int_case;
1646 case TARGET_SO_KEEPALIVE:
1647 optname = SO_KEEPALIVE;
1648 goto int_case;
1649 case TARGET_SO_OOBINLINE:
1650 optname = SO_OOBINLINE;
1651 goto int_case;
1652 case TARGET_SO_NO_CHECK:
1653 optname = SO_NO_CHECK;
1654 goto int_case;
1655 case TARGET_SO_PRIORITY:
1656 optname = SO_PRIORITY;
1657 goto int_case;
1658#ifdef SO_BSDCOMPAT
1659 case TARGET_SO_BSDCOMPAT:
1660 optname = SO_BSDCOMPAT;
1661 goto int_case;
1662#endif
1663 case TARGET_SO_PASSCRED:
1664 optname = SO_PASSCRED;
1665 goto int_case;
1666 case TARGET_SO_TIMESTAMP:
1667 optname = SO_TIMESTAMP;
1668 goto int_case;
1669 case TARGET_SO_RCVLOWAT:
1670 optname = SO_RCVLOWAT;
1671 goto int_case;
8853f86e 1672 default:
2efbe911
FB		 1673 goto int_case;
1674 }
1675 break;
1676 case SOL_TCP:
1677 /* TCP options all take an 'int' value. */
1678 int_case:
2f619698
FB		 1679 if (get_user_u32(len, optlen))
1680 return -TARGET_EFAULT;
2efbe911 1681 if (len < 0)
0da46a6e 1682 return -TARGET_EINVAL;
73160d95 1683 lv = sizeof(lv);
2efbe911
FB		 1684 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1685 if (ret < 0)
1686 return ret;
2efbe911
FB		 1687 if (len > lv)
1688 len = lv;
2f619698
FB		 1689 if (len == 4) {
1690 if (put_user_u32(val, optval_addr))
1691 return -TARGET_EFAULT;
1692 } else {
1693 if (put_user_u8(val, optval_addr))
1694 return -TARGET_EFAULT;
f3b974cd 1695 }
2f619698
FB		 1696 if (put_user_u32(len, optlen))
1697 return -TARGET_EFAULT;
2efbe911
FB		 1698 break;
1699 case SOL_IP:
1700 switch(optname) {
1701 case IP_TOS:
1702 case IP_TTL:
1703 case IP_HDRINCL:
1704 case IP_ROUTER_ALERT:
1705 case IP_RECVOPTS:
1706 case IP_RETOPTS:
1707 case IP_PKTINFO:
1708 case IP_MTU_DISCOVER:
1709 case IP_RECVERR:
1710 case IP_RECVTOS:
1711#ifdef IP_FREEBIND
1712 case IP_FREEBIND:
1713#endif
1714 case IP_MULTICAST_TTL:
1715 case IP_MULTICAST_LOOP:
2f619698
FB		 1716 if (get_user_u32(len, optlen))
1717 return -TARGET_EFAULT;
8853f86e 1718 if (len < 0)
0da46a6e 1719 return -TARGET_EINVAL;
73160d95 1720 lv = sizeof(lv);
8853f86e
FB		 1721 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1722 if (ret < 0)
1723 return ret;
2efbe911 1724 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1725 len = 1;
2f619698
FB		 1726 if (put_user_u32(len, optlen)
1727 || put_user_u8(val, optval_addr))
1728 return -TARGET_EFAULT;
2efbe911 1729 } else {
2efbe911
FB		 1730 if (len > sizeof(int))
1731 len = sizeof(int);
2f619698
FB		 1732 if (put_user_u32(len, optlen)
1733 || put_user_u32(val, optval_addr))
1734 return -TARGET_EFAULT;
2efbe911 1735 }
8853f86e 1736 break;
2efbe911 1737 default:
c02f499e
TS		 1738 ret = -TARGET_ENOPROTOOPT;
1739 break;
8853f86e
FB		 1740 }
1741 break;
1742 default:
1743 unimplemented:
1744 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1745 level, optname);
c02f499e 1746 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1747 break;
1748 }
1749 return ret;
7854b056
FB		 1750}
1751
f287b2c2
RH		 1752static struct iovec *lock_iovec(int type, abi_ulong target_addr,
1753 int count, int copy)
53a5960a
PB		 1754{
1755 struct target_iovec *target_vec;
f287b2c2
RH		 1756 struct iovec *vec;
1757 abi_ulong total_len, max_len;
d732dcb4 1758 int i;
53a5960a 1759
f287b2c2
RH		 1760 if (count == 0) {
1761 errno = 0;
1762 return NULL;
1763 }
1764 if (count > IOV_MAX) {
1765 errno = EINVAL;
1766 return NULL;
1767 }
1768
1769 vec = calloc(count, sizeof(struct iovec));
1770 if (vec == NULL) {
1771 errno = ENOMEM;
1772 return NULL;
1773 }
1774
1775 target_vec = lock_user(VERIFY_READ, target_addr,
1776 count * sizeof(struct target_iovec), 1);
1777 if (target_vec == NULL) {
1778 errno = EFAULT;
1779 goto fail2;
1780 }
1781
1782 /* ??? If host page size > target page size, this will result in a
1783 value larger than what we can actually support. */
1784 max_len = 0x7fffffff & TARGET_PAGE_MASK;
1785 total_len = 0;
1786
1787 for (i = 0; i < count; i++) {
1788 abi_ulong base = tswapal(target_vec[i].iov_base);
1789 abi_long len = tswapal(target_vec[i].iov_len);
1790
1791 if (len < 0) {
1792 errno = EINVAL;
1793 goto fail;
1794 } else if (len == 0) {
1795 /* Zero length pointer is ignored. */
1796 vec[i].iov_base = 0;
41df8411 1797 } else {
f287b2c2
RH		 1798 vec[i].iov_base = lock_user(type, base, len, copy);
1799 if (!vec[i].iov_base) {
1800 errno = EFAULT;
1801 goto fail;
1802 }
1803 if (len > max_len - total_len) {
1804 len = max_len - total_len;
1805 }
41df8411 1806 }
f287b2c2
RH		 1807 vec[i].iov_len = len;
1808 total_len += len;
579a97f7 1809 }
f287b2c2
RH		 1810
1811 unlock_user(target_vec, target_addr, 0);
1812 return vec;
1813
1814 fail:
1815 free(vec);
1816 fail2:
1817 unlock_user(target_vec, target_addr, 0);
1818 return NULL;
53a5960a
PB		 1819}
1820
f287b2c2
RH		 1821static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1822 int count, int copy)
53a5960a
PB		 1823{
1824 struct target_iovec *target_vec;
53a5960a
PB		 1825 int i;
1826
f287b2c2
RH		 1827 target_vec = lock_user(VERIFY_READ, target_addr,
1828 count * sizeof(struct target_iovec), 1);
1829 if (target_vec) {
1830 for (i = 0; i < count; i++) {
1831 abi_ulong base = tswapal(target_vec[i].iov_base);
1832 abi_long len = tswapal(target_vec[i].iov_base);
1833 if (len < 0) {
1834 break;
1835 }
d732dcb4
AZ		 1836 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1837 }
f287b2c2 1838 unlock_user(target_vec, target_addr, 0);
53a5960a 1839 }
579a97f7 1840
f287b2c2 1841 free(vec);
53a5960a
PB		 1842}
1843
0da46a6e 1844/* do_socket() Must return target values and target errnos. */
992f48a0 1845static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1846{
1847#if defined(TARGET_MIPS)
1848 switch(type) {
1849 case TARGET_SOCK_DGRAM:
1850 type = SOCK_DGRAM;
1851 break;
1852 case TARGET_SOCK_STREAM:
1853 type = SOCK_STREAM;
1854 break;
1855 case TARGET_SOCK_RAW:
1856 type = SOCK_RAW;
1857 break;
1858 case TARGET_SOCK_RDM:
1859 type = SOCK_RDM;
1860 break;
1861 case TARGET_SOCK_SEQPACKET:
1862 type = SOCK_SEQPACKET;
1863 break;
1864 case TARGET_SOCK_PACKET:
1865 type = SOCK_PACKET;
1866 break;
1867 }
1868#endif
12bc92ab
AZ		 1869 if (domain == PF_NETLINK)
1870 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1871 return get_errno(socket(domain, type, protocol));
1872}
1873
0da46a6e 1874/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1875static abi_long do_bind(int sockfd, abi_ulong target_addr,
1876 socklen_t addrlen)
3532fa74 1877{
8f7aeaf6 1878 void *addr;
917507b0 1879 abi_long ret;
8f7aeaf6 1880
38724253 1881 if ((int)addrlen < 0) {
8f7aeaf6 1882 return -TARGET_EINVAL;
38724253 1883 }
8f7aeaf6 1884
607175e0 1885 addr = alloca(addrlen+1);
3b46e624 1886
917507b0
AP		 1887 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1888 if (ret)
1889 return ret;
1890
3532fa74
FB		 1891 return get_errno(bind(sockfd, addr, addrlen));
1892}
1893
0da46a6e 1894/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1895static abi_long do_connect(int sockfd, abi_ulong target_addr,
1896 socklen_t addrlen)
3532fa74 1897{
8f7aeaf6 1898 void *addr;
917507b0 1899 abi_long ret;
8f7aeaf6 1900
38724253 1901 if ((int)addrlen < 0) {
8f7aeaf6 1902 return -TARGET_EINVAL;
38724253 1903 }
8f7aeaf6
AJ		 1904
1905 addr = alloca(addrlen);
3b46e624 1906
917507b0
AP		 1907 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1908 if (ret)
1909 return ret;
1910
3532fa74
FB		 1911 return get_errno(connect(sockfd, addr, addrlen));
1912}
1913
0da46a6e 1914/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1915static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1916 int flags, int send)
3532fa74 1917{
6de645c7 1918 abi_long ret, len;
3532fa74
FB		 1919 struct target_msghdr *msgp;
1920 struct msghdr msg;
1921 int count;
1922 struct iovec *vec;
992f48a0 1923 abi_ulong target_vec;
3532fa74 1924
579a97f7
FB		 1925 /* FIXME */
1926 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1927 msgp,
1928 target_msg,
1929 send ? 1 : 0))
1930 return -TARGET_EFAULT;
3532fa74
FB		 1931 if (msgp->msg_name) {
1932 msg.msg_namelen = tswap32(msgp->msg_namelen);
1933 msg.msg_name = alloca(msg.msg_namelen);
cbb21eed 1934 ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
3532fa74 1935 msg.msg_namelen);
917507b0 1936 if (ret) {
f287b2c2 1937 goto out2;
917507b0 1938 }
3532fa74
FB		 1939 } else {
1940 msg.msg_name = NULL;
1941 msg.msg_namelen = 0;
1942 }
cbb21eed 1943 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3532fa74
FB		 1944 msg.msg_control = alloca(msg.msg_controllen);
1945 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1946
cbb21eed 1947 count = tswapal(msgp->msg_iovlen);
cbb21eed 1948 target_vec = tswapal(msgp->msg_iov);
f287b2c2
RH		 1949 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
1950 target_vec, count, send);
1951 if (vec == NULL) {
1952 ret = -host_to_target_errno(errno);
1953 goto out2;
1954 }
3532fa74
FB		 1955 msg.msg_iovlen = count;
1956 msg.msg_iov = vec;
3b46e624 1957
3532fa74 1958 if (send) {
5a4a898d
FB		 1959 ret = target_to_host_cmsg(&msg, msgp);
1960 if (ret == 0)
1961 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1962 } else {
1963 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1964 if (!is_error(ret)) {
1965 len = ret;
5a4a898d 1966 ret = host_to_target_cmsg(msgp, &msg);
ca619067
JH		 1967 if (!is_error(ret)) {
1968 msgp->msg_namelen = tswap32(msg.msg_namelen);
1969 if (msg.msg_name != NULL) {
1970 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
1971 msg.msg_name, msg.msg_namelen);
1972 if (ret) {
1973 goto out;
1974 }
1975 }
1976
6de645c7 1977 ret = len;
ca619067 1978 }
6de645c7 1979 }
3532fa74 1980 }
ca619067
JH		 1981
1982out:
3532fa74 1983 unlock_iovec(vec, target_vec, count, !send);
f287b2c2 1984out2:
579a97f7 1985 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1986 return ret;
1987}
1988
0da46a6e 1989/* do_accept() Must return target values and target errnos. */
992f48a0 1990static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1991 abi_ulong target_addrlen_addr)
1be9e1dc 1992{
2f619698
FB		 1993 socklen_t addrlen;
1994 void *addr;
992f48a0 1995 abi_long ret;
1be9e1dc 1996
917507b0
AP		 1997 if (target_addr == 0)
1998 return get_errno(accept(fd, NULL, NULL));
1999
2000 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 2001 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 2002 return -TARGET_EINVAL;
2f619698 2003
38724253 2004 if ((int)addrlen < 0) {
8f7aeaf6 2005 return -TARGET_EINVAL;
38724253 2006 }
8f7aeaf6 2007
917507b0
AP		 2008 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2009 return -TARGET_EINVAL;
2010
2f619698
FB		 2011 addr = alloca(addrlen);
2012
1be9e1dc
PB		 2013 ret = get_errno(accept(fd, addr, &addrlen));
2014 if (!is_error(ret)) {
2015 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2016 if (put_user_u32(addrlen, target_addrlen_addr))
2017 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2018 }
2019 return ret;
2020}
2021
0da46a6e 2022/* do_getpeername() Must return target values and target errnos. */
992f48a0 2023static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 2024 abi_ulong target_addrlen_addr)
1be9e1dc 2025{
2f619698
FB		 2026 socklen_t addrlen;
2027 void *addr;
992f48a0 2028 abi_long ret;
1be9e1dc 2029
2f619698
FB		 2030 if (get_user_u32(addrlen, target_addrlen_addr))
2031 return -TARGET_EFAULT;
2032
38724253 2033 if ((int)addrlen < 0) {
8f7aeaf6 2034 return -TARGET_EINVAL;
38724253 2035 }
8f7aeaf6 2036
917507b0
AP		 2037 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2038 return -TARGET_EFAULT;
2039
2f619698
FB		 2040 addr = alloca(addrlen);
2041
1be9e1dc
PB		 2042 ret = get_errno(getpeername(fd, addr, &addrlen));
2043 if (!is_error(ret)) {
2044 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2045 if (put_user_u32(addrlen, target_addrlen_addr))
2046 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2047 }
2048 return ret;
2049}
2050
0da46a6e 2051/* do_getsockname() Must return target values and target errnos. */
992f48a0 2052static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 2053 abi_ulong target_addrlen_addr)
1be9e1dc 2054{
2f619698
FB		 2055 socklen_t addrlen;
2056 void *addr;
992f48a0 2057 abi_long ret;
1be9e1dc 2058
2f619698
FB		 2059 if (get_user_u32(addrlen, target_addrlen_addr))
2060 return -TARGET_EFAULT;
2061
38724253 2062 if ((int)addrlen < 0) {
8f7aeaf6 2063 return -TARGET_EINVAL;
38724253 2064 }
8f7aeaf6 2065
917507b0
AP		 2066 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2067 return -TARGET_EFAULT;
2068
2f619698
FB		 2069 addr = alloca(addrlen);
2070
1be9e1dc
PB		 2071 ret = get_errno(getsockname(fd, addr, &addrlen));
2072 if (!is_error(ret)) {
2073 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2074 if (put_user_u32(addrlen, target_addrlen_addr))
2075 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2076 }
2077 return ret;
2078}
2079
0da46a6e 2080/* do_socketpair() Must return target values and target errnos. */
992f48a0 2081static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 2082 abi_ulong target_tab_addr)
1be9e1dc
PB		 2083{
2084 int tab[2];
992f48a0 2085 abi_long ret;
1be9e1dc
PB		 2086
2087 ret = get_errno(socketpair(domain, type, protocol, tab));
2088 if (!is_error(ret)) {
2f619698
FB		 2089 if (put_user_s32(tab[0], target_tab_addr)
2090 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
2091 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2092 }
2093 return ret;
2094}
2095
0da46a6e 2096/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 2097static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
2098 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 2099{
2100 void *addr;
2101 void *host_msg;
992f48a0 2102 abi_long ret;
1be9e1dc 2103
38724253 2104 if ((int)addrlen < 0) {
8f7aeaf6 2105 return -TARGET_EINVAL;
38724253 2106 }
8f7aeaf6 2107
579a97f7
FB		 2108 host_msg = lock_user(VERIFY_READ, msg, len, 1);
2109 if (!host_msg)
2110 return -TARGET_EFAULT;
1be9e1dc
PB		 2111 if (target_addr) {
2112 addr = alloca(addrlen);
917507b0
AP		 2113 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2114 if (ret) {
2115 unlock_user(host_msg, msg, 0);
2116 return ret;
2117 }
1be9e1dc
PB		 2118 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
2119 } else {
2120 ret = get_errno(send(fd, host_msg, len, flags));
2121 }
2122 unlock_user(host_msg, msg, 0);
2123 return ret;
2124}
2125
0da46a6e 2126/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 2127static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
2128 abi_ulong target_addr,
2129 abi_ulong target_addrlen)
1be9e1dc
PB		 2130{
2131 socklen_t addrlen;
2132 void *addr;
2133 void *host_msg;
992f48a0 2134 abi_long ret;
1be9e1dc 2135
579a97f7
FB		 2136 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
2137 if (!host_msg)
2138 return -TARGET_EFAULT;
1be9e1dc 2139 if (target_addr) {
2f619698
FB		 2140 if (get_user_u32(addrlen, target_addrlen)) {
2141 ret = -TARGET_EFAULT;
2142 goto fail;
2143 }
38724253 2144 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 2145 ret = -TARGET_EINVAL;
2146 goto fail;
2147 }
1be9e1dc
PB		 2148 addr = alloca(addrlen);
2149 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
2150 } else {
2151 addr = NULL; /* To keep compiler quiet. */
00aa0040 2152 ret = get_errno(qemu_recv(fd, host_msg, len, flags));
1be9e1dc
PB		 2153 }
2154 if (!is_error(ret)) {
2155 if (target_addr) {
2156 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2157 if (put_user_u32(addrlen, target_addrlen)) {
2158 ret = -TARGET_EFAULT;
2159 goto fail;
2160 }
1be9e1dc
PB		 2161 }
2162 unlock_user(host_msg, msg, len);
2163 } else {
2f619698 2164fail:
1be9e1dc
PB		 2165 unlock_user(host_msg, msg, 0);
2166 }
2167 return ret;
2168}
2169
32407103 2170#ifdef TARGET_NR_socketcall
0da46a6e 2171/* do_socketcall() Must return target values and target errnos. */
992f48a0 2172static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 2173{
992f48a0
BS		 2174 abi_long ret;
2175 const int n = sizeof(abi_ulong);
31e31b8a
FB		 2176
2177 switch(num) {
2178 case SOCKOP_socket:
7854b056 2179 {
98818189 2180 abi_ulong domain, type, protocol;
2f619698 2181
98818189
UH		 2182 if (get_user_ual(domain, vptr)
2183 || get_user_ual(type, vptr + n)
2184 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 2185 return -TARGET_EFAULT;
2186
3532fa74 2187 ret = do_socket(domain, type, protocol);
7854b056 2188 }
31e31b8a
FB		 2189 break;
2190 case SOCKOP_bind:
7854b056 2191 {
98818189 2192 abi_ulong sockfd;
2f619698
FB		 2193 abi_ulong target_addr;
2194 socklen_t addrlen;
2195
98818189 2196 if (get_user_ual(sockfd, vptr)
2f619698 2197 || get_user_ual(target_addr, vptr + n)
98818189 2198 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 2199 return -TARGET_EFAULT;
2200
3532fa74 2201 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 2202 }
31e31b8a
FB		 2203 break;
2204 case SOCKOP_connect:
7854b056 2205 {
98818189 2206 abi_ulong sockfd;
2f619698
FB		 2207 abi_ulong target_addr;
2208 socklen_t addrlen;
2209
98818189 2210 if (get_user_ual(sockfd, vptr)
2f619698 2211 || get_user_ual(target_addr, vptr + n)
98818189 2212 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 2213 return -TARGET_EFAULT;
2214
3532fa74 2215 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 2216 }
31e31b8a
FB		 2217 break;
2218 case SOCKOP_listen:
7854b056 2219 {
98818189 2220 abi_ulong sockfd, backlog;
2f619698 2221
98818189
UH		 2222 if (get_user_ual(sockfd, vptr)
2223 || get_user_ual(backlog, vptr + n))
2f619698
FB		 2224 return -TARGET_EFAULT;
2225
7854b056
FB		 2226 ret = get_errno(listen(sockfd, backlog));
2227 }
31e31b8a
FB		 2228 break;
2229 case SOCKOP_accept:
2230 {
98818189 2231 abi_ulong sockfd;
2f619698
FB		 2232 abi_ulong target_addr, target_addrlen;
2233
98818189 2234 if (get_user_ual(sockfd, vptr)
2f619698 2235 || get_user_ual(target_addr, vptr + n)
98818189 2236 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2237 return -TARGET_EFAULT;
2238
1be9e1dc 2239 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2240 }
2241 break;
2242 case SOCKOP_getsockname:
2243 {
98818189 2244 abi_ulong sockfd;
2f619698
FB		 2245 abi_ulong target_addr, target_addrlen;
2246
98818189 2247 if (get_user_ual(sockfd, vptr)
2f619698 2248 || get_user_ual(target_addr, vptr + n)
98818189 2249 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2250 return -TARGET_EFAULT;
2251
1be9e1dc 2252 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2253 }
2254 break;
2255 case SOCKOP_getpeername:
2256 {
98818189 2257 abi_ulong sockfd;
2f619698
FB		 2258 abi_ulong target_addr, target_addrlen;
2259
98818189 2260 if (get_user_ual(sockfd, vptr)
2f619698 2261 || get_user_ual(target_addr, vptr + n)
98818189 2262 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2263 return -TARGET_EFAULT;
2264
1be9e1dc 2265 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2266 }
2267 break;
2268 case SOCKOP_socketpair:
2269 {
98818189 2270 abi_ulong domain, type, protocol;
2f619698
FB		 2271 abi_ulong tab;
2272
98818189
UH		 2273 if (get_user_ual(domain, vptr)
2274 || get_user_ual(type, vptr + n)
2275 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 2276 || get_user_ual(tab, vptr + 3 * n))
2277 return -TARGET_EFAULT;
2278
1be9e1dc 2279 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 2280 }
2281 break;
2282 case SOCKOP_send:
7854b056 2283 {
98818189 2284 abi_ulong sockfd;
2f619698
FB		 2285 abi_ulong msg;
2286 size_t len;
98818189 2287 abi_ulong flags;
2f619698 2288
98818189 2289 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2290 || get_user_ual(msg, vptr + n)
2291 || get_user_ual(len, vptr + 2 * n)
98818189 2292 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2293 return -TARGET_EFAULT;
2294
1be9e1dc 2295 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 2296 }
31e31b8a
FB		 2297 break;
2298 case SOCKOP_recv:
7854b056 2299 {
98818189 2300 abi_ulong sockfd;
2f619698
FB		 2301 abi_ulong msg;
2302 size_t len;
98818189 2303 abi_ulong flags;
2f619698 2304
98818189 2305 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2306 || get_user_ual(msg, vptr + n)
2307 || get_user_ual(len, vptr + 2 * n)
98818189 2308 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2309 return -TARGET_EFAULT;
2310
1be9e1dc 2311 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 2312 }
31e31b8a
FB		 2313 break;
2314 case SOCKOP_sendto:
7854b056 2315 {
98818189 2316 abi_ulong sockfd;
2f619698
FB		 2317 abi_ulong msg;
2318 size_t len;
98818189 2319 abi_ulong flags;
2f619698
FB		 2320 abi_ulong addr;
2321 socklen_t addrlen;
2322
98818189 2323 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2324 || get_user_ual(msg, vptr + n)
2325 || get_user_ual(len, vptr + 2 * n)
98818189 2326 || get_user_ual(flags, vptr + 3 * n)
2f619698 2327 || get_user_ual(addr, vptr + 4 * n)
98818189 2328 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2329 return -TARGET_EFAULT;
2330
1be9e1dc 2331 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 2332 }
31e31b8a
FB		 2333 break;
2334 case SOCKOP_recvfrom:
2335 {
98818189 2336 abi_ulong sockfd;
2f619698
FB		 2337 abi_ulong msg;
2338 size_t len;
98818189 2339 abi_ulong flags;
2f619698
FB		 2340 abi_ulong addr;
2341 socklen_t addrlen;
2342
98818189 2343 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2344 || get_user_ual(msg, vptr + n)
2345 || get_user_ual(len, vptr + 2 * n)
98818189 2346 || get_user_ual(flags, vptr + 3 * n)
2f619698 2347 || get_user_ual(addr, vptr + 4 * n)
98818189 2348 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2349 return -TARGET_EFAULT;
2350
1be9e1dc 2351 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 2352 }
2353 break;
2354 case SOCKOP_shutdown:
7854b056 2355 {
98818189 2356 abi_ulong sockfd, how;
2f619698 2357
98818189
UH		 2358 if (get_user_ual(sockfd, vptr)
2359 || get_user_ual(how, vptr + n))
2f619698 2360 return -TARGET_EFAULT;
7854b056
FB		 2361
2362 ret = get_errno(shutdown(sockfd, how));
2363 }
31e31b8a
FB		 2364 break;
2365 case SOCKOP_sendmsg:
2366 case SOCKOP_recvmsg:
1a9353d2 2367 {
98818189 2368 abi_ulong fd;
992f48a0 2369 abi_ulong target_msg;
98818189 2370 abi_ulong flags;
1a9353d2 2371
98818189 2372 if (get_user_ual(fd, vptr)
2f619698 2373 || get_user_ual(target_msg, vptr + n)
98818189 2374 || get_user_ual(flags, vptr + 2 * n))
2f619698 2375 return -TARGET_EFAULT;
3532fa74 2376
5fafdf24 2377 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 2378 (num == SOCKOP_sendmsg));
1a9353d2
FB		 2379 }
2380 break;
31e31b8a 2381 case SOCKOP_setsockopt:
7854b056 2382 {
98818189
UH		 2383 abi_ulong sockfd;
2384 abi_ulong level;
2385 abi_ulong optname;
2f619698
FB		 2386 abi_ulong optval;
2387 socklen_t optlen;
2388
98818189
UH		 2389 if (get_user_ual(sockfd, vptr)
2390 || get_user_ual(level, vptr + n)
2391 || get_user_ual(optname, vptr + 2 * n)
2f619698 2392 || get_user_ual(optval, vptr + 3 * n)
98818189 2393 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2394 return -TARGET_EFAULT;
7854b056
FB		 2395
2396 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2397 }
2398 break;
31e31b8a 2399 case SOCKOP_getsockopt:
7854b056 2400 {
98818189
UH		 2401 abi_ulong sockfd;
2402 abi_ulong level;
2403 abi_ulong optname;
2f619698
FB		 2404 abi_ulong optval;
2405 socklen_t optlen;
2406
98818189
UH		 2407 if (get_user_ual(sockfd, vptr)
2408 || get_user_ual(level, vptr + n)
2409 || get_user_ual(optname, vptr + 2 * n)
2f619698 2410 || get_user_ual(optval, vptr + 3 * n)
98818189 2411 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2412 return -TARGET_EFAULT;
7854b056 2413
2f619698 2414 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2415 }
2416 break;
31e31b8a
FB		 2417 default:
2418 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2419 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2420 break;
2421 }
2422 return ret;
2423}
32407103 2424#endif
31e31b8a 2425
8853f86e
FB		 2426#define N_SHM_REGIONS 32
2427
2428static struct shm_region {
5a4a898d
FB		 2429 abi_ulong start;
2430 abi_ulong size;
8853f86e
FB		 2431} shm_regions[N_SHM_REGIONS];
2432
3eb6b044
TS		 2433struct target_ipc_perm
2434{
992f48a0
BS		 2435 abi_long __key;
2436 abi_ulong uid;
2437 abi_ulong gid;
2438 abi_ulong cuid;
2439 abi_ulong cgid;
3eb6b044
TS		 2440 unsigned short int mode;
2441 unsigned short int __pad1;
2442 unsigned short int __seq;
2443 unsigned short int __pad2;
992f48a0
BS		 2444 abi_ulong __unused1;
2445 abi_ulong __unused2;
3eb6b044
TS		 2446};
2447
2448struct target_semid_ds
2449{
2450 struct target_ipc_perm sem_perm;
992f48a0
BS		 2451 abi_ulong sem_otime;
2452 abi_ulong __unused1;
2453 abi_ulong sem_ctime;
2454 abi_ulong __unused2;
2455 abi_ulong sem_nsems;
2456 abi_ulong __unused3;
2457 abi_ulong __unused4;
3eb6b044
TS		 2458};
2459
579a97f7
FB		 2460static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2461 abi_ulong target_addr)
3eb6b044
TS		 2462{
2463 struct target_ipc_perm *target_ip;
2464 struct target_semid_ds *target_sd;
2465
579a97f7
FB		 2466 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2467 return -TARGET_EFAULT;
e8bbe36c 2468 target_ip = &(target_sd->sem_perm);
cbb21eed
MB		 2469 host_ip->__key = tswapal(target_ip->__key);
2470 host_ip->uid = tswapal(target_ip->uid);
2471 host_ip->gid = tswapal(target_ip->gid);
2472 host_ip->cuid = tswapal(target_ip->cuid);
2473 host_ip->cgid = tswapal(target_ip->cgid);
2474 host_ip->mode = tswap16(target_ip->mode);
3eb6b044 2475 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2476 return 0;
3eb6b044
TS		 2477}
2478
579a97f7
FB		 2479static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2480 struct ipc_perm *host_ip)
3eb6b044
TS		 2481{
2482 struct target_ipc_perm *target_ip;
2483 struct target_semid_ds *target_sd;
2484
579a97f7
FB		 2485 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2486 return -TARGET_EFAULT;
3eb6b044 2487 target_ip = &(target_sd->sem_perm);
cbb21eed
MB		 2488 target_ip->__key = tswapal(host_ip->__key);
2489 target_ip->uid = tswapal(host_ip->uid);
2490 target_ip->gid = tswapal(host_ip->gid);
2491 target_ip->cuid = tswapal(host_ip->cuid);
2492 target_ip->cgid = tswapal(host_ip->cgid);
2493 target_ip->mode = tswap16(host_ip->mode);
3eb6b044 2494 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2495 return 0;
3eb6b044
TS		 2496}
2497
579a97f7
FB		 2498static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2499 abi_ulong target_addr)
3eb6b044
TS		 2500{
2501 struct target_semid_ds *target_sd;
2502
579a97f7
FB		 2503 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2504 return -TARGET_EFAULT;
e5289087
AJ		 2505 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2506 return -TARGET_EFAULT;
cbb21eed
MB		 2507 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
2508 host_sd->sem_otime = tswapal(target_sd->sem_otime);
2509 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3eb6b044 2510 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2511 return 0;
3eb6b044
TS		 2512}
2513
579a97f7
FB		 2514static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2515 struct semid_ds *host_sd)
3eb6b044
TS		 2516{
2517 struct target_semid_ds *target_sd;
2518
579a97f7
FB		 2519 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2520 return -TARGET_EFAULT;
e5289087 2521 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3a93113a 2522 return -TARGET_EFAULT;
cbb21eed
MB		 2523 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
2524 target_sd->sem_otime = tswapal(host_sd->sem_otime);
2525 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3eb6b044 2526 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2527 return 0;
3eb6b044
TS		 2528}
2529
e5289087
AJ		 2530struct target_seminfo {
2531 int semmap;
2532 int semmni;
2533 int semmns;
2534 int semmnu;
2535 int semmsl;
2536 int semopm;
2537 int semume;
2538 int semusz;
2539 int semvmx;
2540 int semaem;
2541};
2542
2543static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2544 struct seminfo *host_seminfo)
2545{
2546 struct target_seminfo *target_seminfo;
2547 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2548 return -TARGET_EFAULT;
2549 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2550 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2551 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2552 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2553 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2554 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2555 __put_user(host_seminfo->semume, &target_seminfo->semume);
2556 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2557 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2558 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2559 unlock_user_struct(target_seminfo, target_addr, 1);
2560 return 0;
2561}
2562
fa294816
TS		 2563union semun {
2564 int val;
3eb6b044 2565 struct semid_ds *buf;
fa294816 2566 unsigned short *array;
e5289087 2567 struct seminfo *__buf;
fa294816
TS		 2568};
2569
3eb6b044
TS		 2570union target_semun {
2571 int val;
e5289087
AJ		 2572 abi_ulong buf;
2573 abi_ulong array;
2574 abi_ulong __buf;
3eb6b044
TS		 2575};
2576
e5289087
AJ		 2577static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2578 abi_ulong target_addr)
3eb6b044 2579{
e5289087
AJ		 2580 int nsems;
2581 unsigned short *array;
2582 union semun semun;
2583 struct semid_ds semid_ds;
2584 int i, ret;
3eb6b044 2585
e5289087
AJ		 2586 semun.buf = &semid_ds;
2587
2588 ret = semctl(semid, 0, IPC_STAT, semun);
2589 if (ret == -1)
2590 return get_errno(ret);
2591
2592 nsems = semid_ds.sem_nsems;
2593
2594 *host_array = malloc(nsems*sizeof(unsigned short));
2595 array = lock_user(VERIFY_READ, target_addr,
2596 nsems*sizeof(unsigned short), 1);
2597 if (!array)
2598 return -TARGET_EFAULT;
2599
2600 for(i=0; i<nsems; i++) {
2601 __get_user((*host_array)[i], &array[i]);
3eb6b044 2602 }
e5289087
AJ		 2603 unlock_user(array, target_addr, 0);
2604
579a97f7 2605 return 0;
3eb6b044
TS		 2606}
2607
e5289087
AJ		 2608static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2609 unsigned short **host_array)
3eb6b044 2610{
e5289087
AJ		 2611 int nsems;
2612 unsigned short *array;
2613 union semun semun;
2614 struct semid_ds semid_ds;
2615 int i, ret;
3eb6b044 2616
e5289087
AJ		 2617 semun.buf = &semid_ds;
2618
2619 ret = semctl(semid, 0, IPC_STAT, semun);
2620 if (ret == -1)
2621 return get_errno(ret);
2622
2623 nsems = semid_ds.sem_nsems;
2624
2625 array = lock_user(VERIFY_WRITE, target_addr,
2626 nsems*sizeof(unsigned short), 0);
2627 if (!array)
2628 return -TARGET_EFAULT;
2629
2630 for(i=0; i<nsems; i++) {
2631 __put_user((*host_array)[i], &array[i]);
3eb6b044 2632 }
e5289087
AJ		 2633 free(*host_array);
2634 unlock_user(array, target_addr, 1);
2635
579a97f7 2636 return 0;
3eb6b044
TS		 2637}
2638
e5289087
AJ		 2639static inline abi_long do_semctl(int semid, int semnum, int cmd,
2640 union target_semun target_su)
3eb6b044
TS		 2641{
2642 union semun arg;
2643 struct semid_ds dsarg;
7b8118e8 2644 unsigned short *array = NULL;
e5289087
AJ		 2645 struct seminfo seminfo;
2646 abi_long ret = -TARGET_EINVAL;
2647 abi_long err;
2648 cmd &= 0xff;
3eb6b044
TS		 2649
2650 switch( cmd ) {
2651 case GETVAL:
3eb6b044 2652 case SETVAL:
cbb21eed 2653 arg.val = tswap32(target_su.val);
e5289087 2654 ret = get_errno(semctl(semid, semnum, cmd, arg));
cbb21eed 2655 target_su.val = tswap32(arg.val);
3eb6b044
TS		 2656 break;
2657 case GETALL:
3eb6b044 2658 case SETALL:
e5289087
AJ		 2659 err = target_to_host_semarray(semid, &array, target_su.array);
2660 if (err)
2661 return err;
2662 arg.array = array;
2663 ret = get_errno(semctl(semid, semnum, cmd, arg));
2664 err = host_to_target_semarray(semid, target_su.array, &array);
2665 if (err)
2666 return err;
3eb6b044
TS		 2667 break;
2668 case IPC_STAT:
3eb6b044 2669 case IPC_SET:
e5289087
AJ		 2670 case SEM_STAT:
2671 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2672 if (err)
2673 return err;
2674 arg.buf = &dsarg;
2675 ret = get_errno(semctl(semid, semnum, cmd, arg));
2676 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2677 if (err)
2678 return err;
2679 break;
2680 case IPC_INFO:
2681 case SEM_INFO:
2682 arg.__buf = &seminfo;
2683 ret = get_errno(semctl(semid, semnum, cmd, arg));
2684 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2685 if (err)
2686 return err;
2687 break;
2688 case IPC_RMID:
2689 case GETPID:
2690 case GETNCNT:
2691 case GETZCNT:
2692 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2693 break;
3eb6b044
TS		 2694 }
2695
2696 return ret;
2697}
2698
e5289087
AJ		 2699struct target_sembuf {
2700 unsigned short sem_num;
2701 short sem_op;
2702 short sem_flg;
2703};
2704
2705static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2706 abi_ulong target_addr,
2707 unsigned nsops)
2708{
2709 struct target_sembuf *target_sembuf;
2710 int i;
2711
2712 target_sembuf = lock_user(VERIFY_READ, target_addr,
2713 nsops*sizeof(struct target_sembuf), 1);
2714 if (!target_sembuf)
2715 return -TARGET_EFAULT;
2716
2717 for(i=0; i<nsops; i++) {
2718 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2719 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2720 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2721 }
2722
2723 unlock_user(target_sembuf, target_addr, 0);
2724
2725 return 0;
2726}
2727
2728static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2729{
2730 struct sembuf sops[nsops];
2731
2732 if (target_to_host_sembuf(sops, ptr, nsops))
2733 return -TARGET_EFAULT;
2734
2735 return semop(semid, sops, nsops);
2736}
2737
1bc012f6
TS		 2738struct target_msqid_ds
2739{
1c54ff97
AJ		 2740 struct target_ipc_perm msg_perm;
2741 abi_ulong msg_stime;
2742#if TARGET_ABI_BITS == 32
2743 abi_ulong __unused1;
2744#endif
2745 abi_ulong msg_rtime;
2746#if TARGET_ABI_BITS == 32
2747 abi_ulong __unused2;
2748#endif
2749 abi_ulong msg_ctime;
2750#if TARGET_ABI_BITS == 32
2751 abi_ulong __unused3;
2752#endif
2753 abi_ulong __msg_cbytes;
2754 abi_ulong msg_qnum;
2755 abi_ulong msg_qbytes;
2756 abi_ulong msg_lspid;
2757 abi_ulong msg_lrpid;
2758 abi_ulong __unused4;
2759 abi_ulong __unused5;
1bc012f6
TS		 2760};
2761
579a97f7
FB		 2762static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2763 abi_ulong target_addr)
1bc012f6
TS		 2764{
2765 struct target_msqid_ds *target_md;
2766
579a97f7
FB		 2767 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2768 return -TARGET_EFAULT;
1c54ff97
AJ		 2769 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2770 return -TARGET_EFAULT;
cbb21eed
MB		 2771 host_md->msg_stime = tswapal(target_md->msg_stime);
2772 host_md->msg_rtime = tswapal(target_md->msg_rtime);
2773 host_md->msg_ctime = tswapal(target_md->msg_ctime);
2774 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
2775 host_md->msg_qnum = tswapal(target_md->msg_qnum);
2776 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
2777 host_md->msg_lspid = tswapal(target_md->msg_lspid);
2778 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
1bc012f6 2779 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2780 return 0;
1bc012f6
TS		 2781}
2782
579a97f7
FB		 2783static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2784 struct msqid_ds *host_md)
1bc012f6
TS		 2785{
2786 struct target_msqid_ds *target_md;
2787
579a97f7
FB		 2788 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2789 return -TARGET_EFAULT;
1c54ff97
AJ		 2790 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2791 return -TARGET_EFAULT;
cbb21eed
MB		 2792 target_md->msg_stime = tswapal(host_md->msg_stime);
2793 target_md->msg_rtime = tswapal(host_md->msg_rtime);
2794 target_md->msg_ctime = tswapal(host_md->msg_ctime);
2795 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
2796 target_md->msg_qnum = tswapal(host_md->msg_qnum);
2797 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
2798 target_md->msg_lspid = tswapal(host_md->msg_lspid);
2799 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
1bc012f6 2800 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2801 return 0;
1bc012f6
TS		 2802}
2803
1c54ff97
AJ		 2804struct target_msginfo {
2805 int msgpool;
2806 int msgmap;
2807 int msgmax;
2808 int msgmnb;
2809 int msgmni;
2810 int msgssz;
2811 int msgtql;
2812 unsigned short int msgseg;
2813};
2814
2815static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2816 struct msginfo *host_msginfo)
2817{
2818 struct target_msginfo *target_msginfo;
2819 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2820 return -TARGET_EFAULT;
2821 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2822 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2823 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2824 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2825 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2826 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2827 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2828 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2829 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2830 return 0;
1c54ff97
AJ		 2831}
2832
2833static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2834{
2835 struct msqid_ds dsarg;
1c54ff97
AJ		 2836 struct msginfo msginfo;
2837 abi_long ret = -TARGET_EINVAL;
2838
2839 cmd &= 0xff;
2840
2841 switch (cmd) {
1bc012f6
TS		 2842 case IPC_STAT:
2843 case IPC_SET:
1c54ff97
AJ		 2844 case MSG_STAT:
2845 if (target_to_host_msqid_ds(&dsarg,ptr))
2846 return -TARGET_EFAULT;
2847 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2848 if (host_to_target_msqid_ds(ptr,&dsarg))
2849 return -TARGET_EFAULT;
2850 break;
2851 case IPC_RMID:
2852 ret = get_errno(msgctl(msgid, cmd, NULL));
2853 break;
2854 case IPC_INFO:
2855 case MSG_INFO:
2856 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2857 if (host_to_target_msginfo(ptr, &msginfo))
2858 return -TARGET_EFAULT;
2859 break;
1bc012f6 2860 }
1c54ff97 2861
1bc012f6
TS		 2862 return ret;
2863}
2864
2865struct target_msgbuf {
1c54ff97
AJ		 2866 abi_long mtype;
2867 char mtext[1];
1bc012f6
TS		 2868};
2869
992f48a0
BS		 2870static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2871 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2872{
2873 struct target_msgbuf *target_mb;
2874 struct msgbuf *host_mb;
992f48a0 2875 abi_long ret = 0;
1bc012f6 2876
579a97f7
FB		 2877 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2878 return -TARGET_EFAULT;
1bc012f6 2879 host_mb = malloc(msgsz+sizeof(long));
cbb21eed 2880 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
1c54ff97 2881 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2882 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2883 free(host_mb);
2884 unlock_user_struct(target_mb, msgp, 0);
2885
2886 return ret;
2887}
2888
992f48a0 2889static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2890 unsigned int msgsz, abi_long msgtyp,
992f48a0 2891 int msgflg)
1bc012f6
TS		 2892{
2893 struct target_msgbuf *target_mb;
579a97f7 2894 char *target_mtext;
1bc012f6 2895 struct msgbuf *host_mb;
992f48a0 2896 abi_long ret = 0;
1bc012f6 2897
579a97f7
FB		 2898 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2899 return -TARGET_EFAULT;
1c54ff97 2900
0d07fe47 2901 host_mb = g_malloc(msgsz+sizeof(long));
cbb21eed 2902 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapal(msgtyp), msgflg));
1c54ff97 2903
579a97f7
FB		 2904 if (ret > 0) {
2905 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2906 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2907 if (!target_mtext) {
2908 ret = -TARGET_EFAULT;
2909 goto end;
2910 }
1c54ff97 2911 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2912 unlock_user(target_mtext, target_mtext_addr, ret);
2913 }
1c54ff97 2914
cbb21eed 2915 target_mb->mtype = tswapal(host_mb->mtype);
1bc012f6 2916
579a97f7
FB		 2917end:
2918 if (target_mb)
2919 unlock_user_struct(target_mb, msgp, 1);
0d07fe47 2920 g_free(host_mb);
1bc012f6
TS		 2921 return ret;
2922}
2923
88a8c984
RV		 2924struct target_shmid_ds
2925{
2926 struct target_ipc_perm shm_perm;
2927 abi_ulong shm_segsz;
2928 abi_ulong shm_atime;
2929#if TARGET_ABI_BITS == 32
2930 abi_ulong __unused1;
2931#endif
2932 abi_ulong shm_dtime;
2933#if TARGET_ABI_BITS == 32
2934 abi_ulong __unused2;
2935#endif
2936 abi_ulong shm_ctime;
2937#if TARGET_ABI_BITS == 32
2938 abi_ulong __unused3;
2939#endif
2940 int shm_cpid;
2941 int shm_lpid;
2942 abi_ulong shm_nattch;
2943 unsigned long int __unused4;
2944 unsigned long int __unused5;
2945};
2946
2947static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2948 abi_ulong target_addr)
2949{
2950 struct target_shmid_ds *target_sd;
2951
2952 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2953 return -TARGET_EFAULT;
2954 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2955 return -TARGET_EFAULT;
2956 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2957 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2958 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2959 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2960 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2961 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2962 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2963 unlock_user_struct(target_sd, target_addr, 0);
2964 return 0;
2965}
2966
2967static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2968 struct shmid_ds *host_sd)
2969{
2970 struct target_shmid_ds *target_sd;
2971
2972 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2973 return -TARGET_EFAULT;
2974 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2975 return -TARGET_EFAULT;
2976 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2977 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2978 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2979 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2980 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2981 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2982 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2983 unlock_user_struct(target_sd, target_addr, 1);
2984 return 0;
2985}
2986
2987struct target_shminfo {
2988 abi_ulong shmmax;
2989 abi_ulong shmmin;
2990 abi_ulong shmmni;
2991 abi_ulong shmseg;
2992 abi_ulong shmall;
2993};
2994
2995static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2996 struct shminfo *host_shminfo)
2997{
2998 struct target_shminfo *target_shminfo;
2999 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
3000 return -TARGET_EFAULT;
3001 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
3002 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
3003 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
3004 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
3005 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
3006 unlock_user_struct(target_shminfo, target_addr, 1);
3007 return 0;
3008}
3009
3010struct target_shm_info {
3011 int used_ids;
3012 abi_ulong shm_tot;
3013 abi_ulong shm_rss;
3014 abi_ulong shm_swp;
3015 abi_ulong swap_attempts;
3016 abi_ulong swap_successes;
3017};
3018
3019static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
3020 struct shm_info *host_shm_info)
3021{
3022 struct target_shm_info *target_shm_info;
3023 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
3024 return -TARGET_EFAULT;
3025 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
3026 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
3027 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
3028 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
3029 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
3030 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
3031 unlock_user_struct(target_shm_info, target_addr, 1);
3032 return 0;
3033}
3034
3035static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
3036{
3037 struct shmid_ds dsarg;
3038 struct shminfo shminfo;
3039 struct shm_info shm_info;
3040 abi_long ret = -TARGET_EINVAL;
3041
3042 cmd &= 0xff;
3043
3044 switch(cmd) {
3045 case IPC_STAT:
3046 case IPC_SET:
3047 case SHM_STAT:
3048 if (target_to_host_shmid_ds(&dsarg, buf))
3049 return -TARGET_EFAULT;
3050 ret = get_errno(shmctl(shmid, cmd, &dsarg));
3051 if (host_to_target_shmid_ds(buf, &dsarg))
3052 return -TARGET_EFAULT;
3053 break;
3054 case IPC_INFO:
3055 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
3056 if (host_to_target_shminfo(buf, &shminfo))
3057 return -TARGET_EFAULT;
3058 break;
3059 case SHM_INFO:
3060 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
3061 if (host_to_target_shm_info(buf, &shm_info))
3062 return -TARGET_EFAULT;
3063 break;
3064 case IPC_RMID:
3065 case SHM_LOCK:
3066 case SHM_UNLOCK:
3067 ret = get_errno(shmctl(shmid, cmd, NULL));
3068 break;
3069 }
3070
3071 return ret;
3072}
3073
3074static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
3075{
3076 abi_long raddr;
3077 void *host_raddr;
3078 struct shmid_ds shm_info;
3079 int i,ret;
3080
3081 /* find out the length of the shared memory segment */
3082 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
3083 if (is_error(ret)) {
3084 /* can't get length, bail out */
3085 return ret;
3086 }
3087
3088 mmap_lock();
3089
3090 if (shmaddr)
3091 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
3092 else {
3093 abi_ulong mmap_start;
3094
3095 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
3096
3097 if (mmap_start == -1) {
3098 errno = ENOMEM;
3099 host_raddr = (void *)-1;
3100 } else
3101 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
3102 }
3103
3104 if (host_raddr == (void *)-1) {
3105 mmap_unlock();
3106 return get_errno((long)host_raddr);
3107 }
3108 raddr=h2g((unsigned long)host_raddr);
3109
3110 page_set_flags(raddr, raddr + shm_info.shm_segsz,
3111 PAGE_VALID | PAGE_READ |
3112 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
3113
3114 for (i = 0; i < N_SHM_REGIONS; i++) {
3115 if (shm_regions[i].start == 0) {
3116 shm_regions[i].start = raddr;
3117 shm_regions[i].size = shm_info.shm_segsz;
3118 break;
3119 }
3120 }
3121
3122 mmap_unlock();
3123 return raddr;
3124
3125}
3126
3127static inline abi_long do_shmdt(abi_ulong shmaddr)
3128{
3129 int i;
3130
3131 for (i = 0; i < N_SHM_REGIONS; ++i) {
3132 if (shm_regions[i].start == shmaddr) {
3133 shm_regions[i].start = 0;
e00ac249 3134 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 3135 break;
3136 }
3137 }
3138
3139 return get_errno(shmdt(g2h(shmaddr)));
3140}
3141
1c54ff97 3142#ifdef TARGET_NR_ipc
53a5960a 3143/* ??? This only works with linear mappings. */
0da46a6e 3144/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 3145static abi_long do_ipc(unsigned int call, int first,
3146 int second, int third,
3147 abi_long ptr, abi_long fifth)
8853f86e
FB		 3148{
3149 int version;
992f48a0 3150 abi_long ret = 0;
8853f86e
FB		 3151
3152 version = call >> 16;
3153 call &= 0xffff;
3154
3155 switch (call) {
fa294816 3156 case IPCOP_semop:
e5289087 3157 ret = do_semop(first, ptr, second);
fa294816
TS		 3158 break;
3159
3160 case IPCOP_semget:
3161 ret = get_errno(semget(first, second, third));
3162 break;
3163
3164 case IPCOP_semctl:
e5289087 3165 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 3166 break;
d96372ef 3167
1c54ff97
AJ		 3168 case IPCOP_msgget:
3169 ret = get_errno(msgget(first, second));
3170 break;
d96372ef 3171
1c54ff97
AJ		 3172 case IPCOP_msgsnd:
3173 ret = do_msgsnd(first, ptr, second, third);
3174 break;
d96372ef 3175
1c54ff97
AJ		 3176 case IPCOP_msgctl:
3177 ret = do_msgctl(first, second, ptr);
3178 break;
d96372ef 3179
1c54ff97
AJ		 3180 case IPCOP_msgrcv:
3181 switch (version) {
3182 case 0:
3183 {
3184 struct target_ipc_kludge {
3185 abi_long msgp;
3186 abi_long msgtyp;
3187 } *tmp;
3188
3189 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
3190 ret = -TARGET_EFAULT;
3191 break;
3192 }
d96372ef 3193
1c54ff97 3194 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 3195
1c54ff97
AJ		 3196 unlock_user_struct(tmp, ptr, 0);
3197 break;
3198 }
3199 default:
3200 ret = do_msgrcv(first, ptr, second, fifth, third);
3201 }
3202 break;
d96372ef 3203
8853f86e 3204 case IPCOP_shmat:
88a8c984
RV		 3205 switch (version) {
3206 default:
5a4a898d
FB		 3207 {
3208 abi_ulong raddr;
88a8c984
RV		 3209 raddr = do_shmat(first, ptr, second);
3210 if (is_error(raddr))
3211 return get_errno(raddr);
2f619698 3212 if (put_user_ual(raddr, third))
5a4a898d 3213 return -TARGET_EFAULT;
88a8c984
RV		 3214 break;
3215 }
3216 case 1:
3217 ret = -TARGET_EINVAL;
3218 break;
5a4a898d 3219 }
8853f86e
FB		 3220 break;
3221 case IPCOP_shmdt:
88a8c984 3222 ret = do_shmdt(ptr);
8853f86e
FB		 3223 break;
3224
3225 case IPCOP_shmget:
3226 /* IPC_* flag values are the same on all linux platforms */
3227 ret = get_errno(shmget(first, second, third));
3228 break;
3229
3230 /* IPC_* and SHM_* command values are the same on all linux platforms */
3231 case IPCOP_shmctl:
88a8c984 3232 ret = do_shmctl(first, second, third);
8853f86e
FB		 3233 break;
3234 default:
32407103 3235 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 3236 ret = -TARGET_ENOSYS;
8853f86e
FB		 3237 break;
3238 }
3239 return ret;
3240}
32407103 3241#endif
8853f86e 3242
31e31b8a 3243/* kernel structure types definitions */
31e31b8a 3244
001faf32 3245#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 3246#define STRUCT_SPECIAL(name) STRUCT_ ## name,
3247enum {
3248#include "syscall_types.h"
3249};
3250#undef STRUCT
3251#undef STRUCT_SPECIAL
3252
001faf32 3253#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 3254#define STRUCT_SPECIAL(name)
3255#include "syscall_types.h"
3256#undef STRUCT
3257#undef STRUCT_SPECIAL
3258
d2ef05bb
PM		 3259typedef struct IOCTLEntry IOCTLEntry;
3260
3261typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
3262 int fd, abi_long cmd, abi_long arg);
3263
3264struct IOCTLEntry {
2ab83ea7
FB		 3265 unsigned int target_cmd;
3266 unsigned int host_cmd;
31e31b8a
FB		 3267 const char *name;
3268 int access;
d2ef05bb 3269 do_ioctl_fn *do_ioctl;
1a9353d2 3270 const argtype arg_type[5];
d2ef05bb 3271};
31e31b8a
FB		 3272
3273#define IOC_R 0x0001
3274#define IOC_W 0x0002
3275#define IOC_RW (IOC_R | IOC_W)
3276
3277#define MAX_STRUCT_SIZE 4096
3278
dace20dc 3279#ifdef CONFIG_FIEMAP
285da2b9
PM		 3280/* So fiemap access checks don't overflow on 32 bit systems.
3281 * This is very slightly smaller than the limit imposed by
3282 * the underlying kernel.
3283 */
3284#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3285 / sizeof(struct fiemap_extent))
3286
3287static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
3288 int fd, abi_long cmd, abi_long arg)
3289{
3290 /* The parameter for this ioctl is a struct fiemap followed
3291 * by an array of struct fiemap_extent whose size is set
3292 * in fiemap->fm_extent_count. The array is filled in by the
3293 * ioctl.
3294 */
3295 int target_size_in, target_size_out;
3296 struct fiemap *fm;
3297 const argtype *arg_type = ie->arg_type;
3298 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3299 void *argptr, *p;
3300 abi_long ret;
3301 int i, extent_size = thunk_type_size(extent_arg_type, 0);
3302 uint32_t outbufsz;
3303 int free_fm = 0;
3304
3305 assert(arg_type[0] == TYPE_PTR);
3306 assert(ie->access == IOC_RW);
3307 arg_type++;
3308 target_size_in = thunk_type_size(arg_type, 0);
3309 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3310 if (!argptr) {
3311 return -TARGET_EFAULT;
3312 }
3313 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3314 unlock_user(argptr, arg, 0);
3315 fm = (struct fiemap *)buf_temp;
3316 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3317 return -TARGET_EINVAL;
3318 }
3319
3320 outbufsz = sizeof (*fm) +
3321 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3322
3323 if (outbufsz > MAX_STRUCT_SIZE) {
3324 /* We can't fit all the extents into the fixed size buffer.
3325 * Allocate one that is large enough and use it instead.
3326 */
3327 fm = malloc(outbufsz);
3328 if (!fm) {
3329 return -TARGET_ENOMEM;
3330 }
3331 memcpy(fm, buf_temp, sizeof(struct fiemap));
3332 free_fm = 1;
3333 }
3334 ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3335 if (!is_error(ret)) {
3336 target_size_out = target_size_in;
3337 /* An extent_count of 0 means we were only counting the extents
3338 * so there are no structs to copy
3339 */
3340 if (fm->fm_extent_count != 0) {
3341 target_size_out += fm->fm_mapped_extents * extent_size;
3342 }
3343 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3344 if (!argptr) {
3345 ret = -TARGET_EFAULT;
3346 } else {
3347 /* Convert the struct fiemap */
3348 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3349 if (fm->fm_extent_count != 0) {
3350 p = argptr + target_size_in;
3351 /* ...and then all the struct fiemap_extents */
3352 for (i = 0; i < fm->fm_mapped_extents; i++) {
3353 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3354 THUNK_TARGET);
3355 p += extent_size;
3356 }
3357 }
3358 unlock_user(argptr, arg, target_size_out);
3359 }
3360 }
3361 if (free_fm) {
3362 free(fm);
3363 }
3364 return ret;
3365}
dace20dc 3366#endif
285da2b9 3367
059c2f2c
LV		 3368static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
3369 int fd, abi_long cmd, abi_long arg)
3370{
3371 const argtype *arg_type = ie->arg_type;
3372 int target_size;
3373 void *argptr;
3374 int ret;
3375 struct ifconf *host_ifconf;
3376 uint32_t outbufsz;
3377 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
3378 int target_ifreq_size;
3379 int nb_ifreq;
3380 int free_buf = 0;
3381 int i;
3382 int target_ifc_len;
3383 abi_long target_ifc_buf;
3384 int host_ifc_len;
3385 char *host_ifc_buf;
3386
3387 assert(arg_type[0] == TYPE_PTR);
3388 assert(ie->access == IOC_RW);
3389
3390 arg_type++;
3391 target_size = thunk_type_size(arg_type, 0);
3392
3393 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3394 if (!argptr)
3395 return -TARGET_EFAULT;
3396 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3397 unlock_user(argptr, arg, 0);
3398
3399 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
3400 target_ifc_len = host_ifconf->ifc_len;
3401 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
3402
3403 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
3404 nb_ifreq = target_ifc_len / target_ifreq_size;
3405 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
3406
3407 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
3408 if (outbufsz > MAX_STRUCT_SIZE) {
3409 /* We can't fit all the extents into the fixed size buffer.
3410 * Allocate one that is large enough and use it instead.
3411 */
3412 host_ifconf = malloc(outbufsz);
3413 if (!host_ifconf) {
3414 return -TARGET_ENOMEM;
3415 }
3416 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
3417 free_buf = 1;
3418 }
3419 host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
3420
3421 host_ifconf->ifc_len = host_ifc_len;
3422 host_ifconf->ifc_buf = host_ifc_buf;
3423
3424 ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
3425 if (!is_error(ret)) {
3426 /* convert host ifc_len to target ifc_len */
3427
3428 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
3429 target_ifc_len = nb_ifreq * target_ifreq_size;
3430 host_ifconf->ifc_len = target_ifc_len;
3431
3432 /* restore target ifc_buf */
3433
3434 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
3435
3436 /* copy struct ifconf to target user */
3437
3438 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3439 if (!argptr)
3440 return -TARGET_EFAULT;
3441 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
3442 unlock_user(argptr, arg, target_size);
3443
3444 /* copy ifreq[] to target user */
3445
3446 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
3447 for (i = 0; i < nb_ifreq ; i++) {
3448 thunk_convert(argptr + i * target_ifreq_size,
3449 host_ifc_buf + i * sizeof(struct ifreq),
3450 ifreq_arg_type, THUNK_TARGET);
3451 }
3452 unlock_user(argptr, target_ifc_buf, target_ifc_len);
3453 }
3454
3455 if (free_buf) {
3456 free(host_ifconf);
3457 }
3458
3459 return ret;
3460}
3461
56e904ec
AG		 3462static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
3463 abi_long cmd, abi_long arg)
3464{
3465 void *argptr;
3466 struct dm_ioctl *host_dm;
3467 abi_long guest_data;
3468 uint32_t guest_data_size;
3469 int target_size;
3470 const argtype *arg_type = ie->arg_type;
3471 abi_long ret;
3472 void *big_buf = NULL;
3473 char *host_data;
3474
3475 arg_type++;
3476 target_size = thunk_type_size(arg_type, 0);
3477 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3478 if (!argptr) {
3479 ret = -TARGET_EFAULT;
3480 goto out;
3481 }
3482 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3483 unlock_user(argptr, arg, 0);
3484
3485 /* buf_temp is too small, so fetch things into a bigger buffer */
3486 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
3487 memcpy(big_buf, buf_temp, target_size);
3488 buf_temp = big_buf;
3489 host_dm = big_buf;
3490
3491 guest_data = arg + host_dm->data_start;
3492 if ((guest_data - arg) < 0) {
3493 ret = -EINVAL;
3494 goto out;
3495 }
3496 guest_data_size = host_dm->data_size - host_dm->data_start;
3497 host_data = (char*)host_dm + host_dm->data_start;
3498
3499 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
3500 switch (ie->host_cmd) {
3501 case DM_REMOVE_ALL:
3502 case DM_LIST_DEVICES:
3503 case DM_DEV_CREATE:
3504 case DM_DEV_REMOVE:
3505 case DM_DEV_SUSPEND:
3506 case DM_DEV_STATUS:
3507 case DM_DEV_WAIT:
3508 case DM_TABLE_STATUS:
3509 case DM_TABLE_CLEAR:
3510 case DM_TABLE_DEPS:
3511 case DM_LIST_VERSIONS:
3512 /* no input data */
3513 break;
3514 case DM_DEV_RENAME:
3515 case DM_DEV_SET_GEOMETRY:
3516 /* data contains only strings */
3517 memcpy(host_data, argptr, guest_data_size);
3518 break;
3519 case DM_TARGET_MSG:
3520 memcpy(host_data, argptr, guest_data_size);
3521 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
3522 break;
3523 case DM_TABLE_LOAD:
3524 {
3525 void *gspec = argptr;
3526 void *cur_data = host_data;
3527 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3528 int spec_size = thunk_type_size(arg_type, 0);
3529 int i;
3530
3531 for (i = 0; i < host_dm->target_count; i++) {
3532 struct dm_target_spec *spec = cur_data;
3533 uint32_t next;
3534 int slen;
3535
3536 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
3537 slen = strlen((char*)gspec + spec_size) + 1;
3538 next = spec->next;
3539 spec->next = sizeof(*spec) + slen;
3540 strcpy((char*)&spec[1], gspec + spec_size);
3541 gspec += next;
3542 cur_data += spec->next;
3543 }
3544 break;
3545 }
3546 default:
3547 ret = -TARGET_EINVAL;
3548 goto out;
3549 }
3550 unlock_user(argptr, guest_data, 0);
3551
3552 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3553 if (!is_error(ret)) {
3554 guest_data = arg + host_dm->data_start;
3555 guest_data_size = host_dm->data_size - host_dm->data_start;
3556 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
3557 switch (ie->host_cmd) {
3558 case DM_REMOVE_ALL:
3559 case DM_DEV_CREATE:
3560 case DM_DEV_REMOVE:
3561 case DM_DEV_RENAME:
3562 case DM_DEV_SUSPEND:
3563 case DM_DEV_STATUS:
3564 case DM_TABLE_LOAD:
3565 case DM_TABLE_CLEAR:
3566 case DM_TARGET_MSG:
3567 case DM_DEV_SET_GEOMETRY:
3568 /* no return data */
3569 break;
3570 case DM_LIST_DEVICES:
3571 {
3572 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
3573 uint32_t remaining_data = guest_data_size;
3574 void *cur_data = argptr;
3575 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
3576 int nl_size = 12; /* can't use thunk_size due to alignment */
3577
3578 while (1) {
3579 uint32_t next = nl->next;
3580 if (next) {
3581 nl->next = nl_size + (strlen(nl->name) + 1);
3582 }
3583 if (remaining_data < nl->next) {
3584 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3585 break;
3586 }
3587 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
3588 strcpy(cur_data + nl_size, nl->name);
3589 cur_data += nl->next;
3590 remaining_data -= nl->next;
3591 if (!next) {
3592 break;
3593 }
3594 nl = (void*)nl + next;
3595 }
3596 break;
3597 }
3598 case DM_DEV_WAIT:
3599 case DM_TABLE_STATUS:
3600 {
3601 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
3602 void *cur_data = argptr;
3603 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3604 int spec_size = thunk_type_size(arg_type, 0);
3605 int i;
3606
3607 for (i = 0; i < host_dm->target_count; i++) {
3608 uint32_t next = spec->next;
3609 int slen = strlen((char*)&spec[1]) + 1;
3610 spec->next = (cur_data - argptr) + spec_size + slen;
3611 if (guest_data_size < spec->next) {
3612 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3613 break;
3614 }
3615 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
3616 strcpy(cur_data + spec_size, (char*)&spec[1]);
3617 cur_data = argptr + spec->next;
3618 spec = (void*)host_dm + host_dm->data_start + next;
3619 }
3620 break;
3621 }
3622 case DM_TABLE_DEPS:
3623 {
3624 void *hdata = (void*)host_dm + host_dm->data_start;
3625 int count = *(uint32_t*)hdata;
3626 uint64_t *hdev = hdata + 8;
3627 uint64_t *gdev = argptr + 8;
3628 int i;
3629
3630 *(uint32_t*)argptr = tswap32(count);
3631 for (i = 0; i < count; i++) {
3632 *gdev = tswap64(*hdev);
3633 gdev++;
3634 hdev++;
3635 }
3636 break;
3637 }
3638 case DM_LIST_VERSIONS:
3639 {
3640 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
3641 uint32_t remaining_data = guest_data_size;
3642 void *cur_data = argptr;
3643 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
3644 int vers_size = thunk_type_size(arg_type, 0);
3645
3646 while (1) {
3647 uint32_t next = vers->next;
3648 if (next) {
3649 vers->next = vers_size + (strlen(vers->name) + 1);
3650 }
3651 if (remaining_data < vers->next) {
3652 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3653 break;
3654 }
3655 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
3656 strcpy(cur_data + vers_size, vers->name);
3657 cur_data += vers->next;
3658 remaining_data -= vers->next;
3659 if (!next) {
3660 break;
3661 }
3662 vers = (void*)vers + next;
3663 }
3664 break;
3665 }
3666 default:
3667 ret = -TARGET_EINVAL;
3668 goto out;
3669 }
3670 unlock_user(argptr, guest_data, guest_data_size);
3671
3672 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3673 if (!argptr) {
3674 ret = -TARGET_EFAULT;
3675 goto out;
3676 }
3677 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3678 unlock_user(argptr, arg, target_size);
3679 }
3680out:
ad11ad77 3681 g_free(big_buf);
56e904ec
AG		 3682 return ret;
3683}
3684
9f106a75 3685static IOCTLEntry ioctl_entries[] = {
001faf32 3686#define IOCTL(cmd, access, ...) \
d2ef05bb
PM		 3687 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3688#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3689 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
31e31b8a
FB		 3690#include "ioctls.h"
3691 { 0, 0, },
3692};
3693
53a5960a 3694/* ??? Implement proper locking for ioctls. */
0da46a6e 3695/* do_ioctl() Must return target values and target errnos. */
992f48a0 3696static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 3697{
3698 const IOCTLEntry *ie;
3699 const argtype *arg_type;
992f48a0 3700 abi_long ret;
31e31b8a 3701 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 3702 int target_size;
3703 void *argptr;
31e31b8a
FB		 3704
3705 ie = ioctl_entries;
3706 for(;;) {
3707 if (ie->target_cmd == 0) {
32407103 3708 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 3709 return -TARGET_ENOSYS;
31e31b8a
FB		 3710 }
3711 if (ie->target_cmd == cmd)
3712 break;
3713 ie++;
3714 }
3715 arg_type = ie->arg_type;
9de5e440 3716#if defined(DEBUG)
32407103 3717 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 3718#endif
d2ef05bb
PM		 3719 if (ie->do_ioctl) {
3720 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3721 }
3722
31e31b8a
FB		 3723 switch(arg_type[0]) {
3724 case TYPE_NULL:
3725 /* no argument */
3726 ret = get_errno(ioctl(fd, ie->host_cmd));
3727 break;
3728 case TYPE_PTRVOID:
3729 case TYPE_INT:
3730 /* int argment */
3731 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3732 break;
3733 case TYPE_PTR:
3734 arg_type++;
53a5960a 3735 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 3736 switch(ie->access) {
3737 case IOC_R:
3738 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3739 if (!is_error(ret)) {
579a97f7
FB		 3740 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3741 if (!argptr)
3742 return -TARGET_EFAULT;
53a5960a
PB		 3743 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3744 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3745 }
3746 break;
3747 case IOC_W:
579a97f7
FB		 3748 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3749 if (!argptr)
3750 return -TARGET_EFAULT;
53a5960a
PB		 3751 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3752 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3753 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3754 break;
3755 default:
3756 case IOC_RW:
579a97f7
FB		 3757 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3758 if (!argptr)
3759 return -TARGET_EFAULT;
53a5960a
PB		 3760 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3761 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3762 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3763 if (!is_error(ret)) {
579a97f7
FB		 3764 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3765 if (!argptr)
3766 return -TARGET_EFAULT;
53a5960a
PB		 3767 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3768 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3769 }
3770 break;
3771 }
3772 break;
3773 default:
32407103
JM		 3774 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3775 (long)cmd, arg_type[0]);
0da46a6e 3776 ret = -TARGET_ENOSYS;
31e31b8a
FB		 3777 break;
3778 }
3779 return ret;
3780}
3781
b39bc503 3782static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 3783 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3784 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3785 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3786 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3787 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3788 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3789 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3790 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3791 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3792 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3793 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3794 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3795 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3796 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3797 { 0, 0, 0, 0 }
3798};
3799
b39bc503 3800static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3801 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3802 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3803 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3804 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3805 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3806 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3807 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3808 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3809 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3810 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3811 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3812 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3813 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3814 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3815 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3816 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3817 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3818 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3819 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3820 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3821 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3822 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3823 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3824 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3825 { 0, 0, 0, 0 }
3826};
3827
b39bc503 3828static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3829 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3830 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3831 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3832 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3833 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3834 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3835 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3836 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3837 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3838 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3839 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3840 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3841 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3842 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3843 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3844 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3845 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3846 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3847 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3848 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3849 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3850 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3851 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3852 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3853 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3854 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3855 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3856 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3857 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3858 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3859 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3860 { 0, 0, 0, 0 }
3861};
3862
b39bc503 3863static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3864 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3865 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3866 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3867 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3868 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3869 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3870 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3871 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3872 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3873 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3874 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3875 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3876 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3877 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3878 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3879 { 0, 0, 0, 0 }
3880};
3881
3882static void target_to_host_termios (void *dst, const void *src)
3883{
3884 struct host_termios *host = dst;
3885 const struct target_termios *target = src;
3b46e624 3886
5fafdf24 3887 host->c_iflag =
31e31b8a 3888 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3889 host->c_oflag =
31e31b8a 3890 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3891 host->c_cflag =
31e31b8a 3892 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3893 host->c_lflag =
31e31b8a
FB		 3894 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3895 host->c_line = target->c_line;
3b46e624 3896
44607123 3897 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3898 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3899 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3900 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3901 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3902 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3903 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3904 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3905 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3906 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3907 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3908 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3909 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3910 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3911 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3912 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3913 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3914 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3915}
3b46e624 3916
31e31b8a
FB		 3917static void host_to_target_termios (void *dst, const void *src)
3918{
3919 struct target_termios *target = dst;
3920 const struct host_termios *host = src;
3921
5fafdf24 3922 target->c_iflag =
31e31b8a 3923 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3924 target->c_oflag =
31e31b8a 3925 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3926 target->c_cflag =
31e31b8a 3927 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3928 target->c_lflag =
31e31b8a
FB		 3929 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3930 target->c_line = host->c_line;
3b46e624 3931
44607123 3932 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3933 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3934 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3935 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3936 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3937 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3938 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3939 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3940 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3941 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3942 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3943 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3944 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3945 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3946 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3947 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3948 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3949 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3950}
3951
8e853dc7 3952static const StructEntry struct_termios_def = {
31e31b8a
FB		 3953 .convert = { host_to_target_termios, target_to_host_termios },
3954 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3955 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3956};
3957
5286db75
FB		 3958static bitmask_transtbl mmap_flags_tbl[] = {
3959 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3960 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3961 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3962 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3963 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3964 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3965 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3966 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3967 { 0, 0, 0, 0 }
3968};
3969
2ab83ea7 3970#if defined(TARGET_I386)
6dbad63e
FB		 3971
3972/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3973static uint8_t *ldt_table;
6dbad63e 3974
03acab66 3975static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3976{
3977 int size;
53a5960a 3978 void *p;
6dbad63e
FB		 3979
3980 if (!ldt_table)
3981 return 0;
3982 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3983 if (size > bytecount)
3984 size = bytecount;
579a97f7
FB		 3985 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3986 if (!p)
03acab66 3987 return -TARGET_EFAULT;
579a97f7 3988 /* ??? Should this by byteswapped? */
53a5960a
PB		 3989 memcpy(p, ldt_table, size);
3990 unlock_user(p, ptr, size);
6dbad63e
FB		 3991 return size;
3992}
3993
3994/* XXX: add locking support */
03acab66
FB		 3995static abi_long write_ldt(CPUX86State *env,
3996 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3997{
3998 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3999 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 4000 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 4001 int seg_not_present, useable, lm;
6dbad63e
FB		 4002 uint32_t *lp, entry_1, entry_2;
4003
4004 if (bytecount != sizeof(ldt_info))
03acab66 4005 return -TARGET_EINVAL;
579a97f7 4006 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 4007 return -TARGET_EFAULT;
53a5960a 4008 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4009 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
53a5960a
PB		 4010 ldt_info.limit = tswap32(target_ldt_info->limit);
4011 ldt_info.flags = tswap32(target_ldt_info->flags);
4012 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 4013
6dbad63e 4014 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 4015 return -TARGET_EINVAL;
6dbad63e
FB		 4016 seg_32bit = ldt_info.flags & 1;
4017 contents = (ldt_info.flags >> 1) & 3;
4018 read_exec_only = (ldt_info.flags >> 3) & 1;
4019 limit_in_pages = (ldt_info.flags >> 4) & 1;
4020 seg_not_present = (ldt_info.flags >> 5) & 1;
4021 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 4022#ifdef TARGET_ABI32
4023 lm = 0;
4024#else
4025 lm = (ldt_info.flags >> 7) & 1;
4026#endif
6dbad63e
FB		 4027 if (contents == 3) {
4028 if (oldmode)
03acab66 4029 return -TARGET_EINVAL;
6dbad63e 4030 if (seg_not_present == 0)
03acab66 4031 return -TARGET_EINVAL;
6dbad63e
FB		 4032 }
4033 /* allocate the LDT */
4034 if (!ldt_table) {
e441570f
AZ		 4035 env->ldt.base = target_mmap(0,
4036 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
4037 PROT_READ|PROT_WRITE,
4038 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
4039 if (env->ldt.base == -1)
03acab66 4040 return -TARGET_ENOMEM;
e441570f
AZ		 4041 memset(g2h(env->ldt.base), 0,
4042 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 4043 env->ldt.limit = 0xffff;
e441570f 4044 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 4045 }
4046
4047 /* NOTE: same code as Linux kernel */
4048 /* Allow LDTs to be cleared by the user. */
4049 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4050 if (oldmode ||
4051 (contents == 0 &&
4052 read_exec_only == 1 &&
4053 seg_32bit == 0 &&
4054 limit_in_pages == 0 &&
4055 seg_not_present == 1 &&
4056 useable == 0 )) {
4057 entry_1 = 0;
4058 entry_2 = 0;
4059 goto install;
4060 }
4061 }
3b46e624 4062
6dbad63e
FB		 4063 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4064 (ldt_info.limit & 0x0ffff);
4065 entry_2 = (ldt_info.base_addr & 0xff000000) |
4066 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4067 (ldt_info.limit & 0xf0000) |
4068 ((read_exec_only ^ 1) << 9) |
4069 (contents << 10) |
4070 ((seg_not_present ^ 1) << 15) |
4071 (seg_32bit << 22) |
4072 (limit_in_pages << 23) |
8d18e893 4073 (lm << 21) |
6dbad63e
FB		 4074 0x7000;
4075 if (!oldmode)
4076 entry_2 |= (useable << 20);
14ae3ba7 4077
6dbad63e
FB		 4078 /* Install the new entry ... */
4079install:
4080 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
4081 lp[0] = tswap32(entry_1);
4082 lp[1] = tswap32(entry_2);
4083 return 0;
4084}
4085
4086/* specific and weird i386 syscalls */
8fcd3692
BS		 4087static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
4088 unsigned long bytecount)
6dbad63e 4089{
03acab66 4090 abi_long ret;
3b46e624 4091
6dbad63e
FB		 4092 switch (func) {
4093 case 0:
4094 ret = read_ldt(ptr, bytecount);
4095 break;
4096 case 1:
4097 ret = write_ldt(env, ptr, bytecount, 1);
4098 break;
4099 case 0x11:
4100 ret = write_ldt(env, ptr, bytecount, 0);
4101 break;
03acab66
FB		 4102 default:
4103 ret = -TARGET_ENOSYS;
4104 break;
6dbad63e
FB		 4105 }
4106 return ret;
4107}
1b6b029e 4108
4583f589 4109#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 4110static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4111{
4112 uint64_t *gdt_table = g2h(env->gdt.base);
4113 struct target_modify_ldt_ldt_s ldt_info;
4114 struct target_modify_ldt_ldt_s *target_ldt_info;
4115 int seg_32bit, contents, read_exec_only, limit_in_pages;
4116 int seg_not_present, useable, lm;
4117 uint32_t *lp, entry_1, entry_2;
4118 int i;
4119
4120 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4121 if (!target_ldt_info)
4122 return -TARGET_EFAULT;
4123 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4124 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
8d18e893
FB		 4125 ldt_info.limit = tswap32(target_ldt_info->limit);
4126 ldt_info.flags = tswap32(target_ldt_info->flags);
4127 if (ldt_info.entry_number == -1) {
4128 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
4129 if (gdt_table[i] == 0) {
4130 ldt_info.entry_number = i;
4131 target_ldt_info->entry_number = tswap32(i);
4132 break;
4133 }
4134 }
4135 }
4136 unlock_user_struct(target_ldt_info, ptr, 1);
4137
4138 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
4139 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
4140 return -TARGET_EINVAL;
4141 seg_32bit = ldt_info.flags & 1;
4142 contents = (ldt_info.flags >> 1) & 3;
4143 read_exec_only = (ldt_info.flags >> 3) & 1;
4144 limit_in_pages = (ldt_info.flags >> 4) & 1;
4145 seg_not_present = (ldt_info.flags >> 5) & 1;
4146 useable = (ldt_info.flags >> 6) & 1;
4147#ifdef TARGET_ABI32
4148 lm = 0;
4149#else
4150 lm = (ldt_info.flags >> 7) & 1;
4151#endif
4152
4153 if (contents == 3) {
4154 if (seg_not_present == 0)
4155 return -TARGET_EINVAL;
4156 }
4157
4158 /* NOTE: same code as Linux kernel */
4159 /* Allow LDTs to be cleared by the user. */
4160 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4161 if ((contents == 0 &&
4162 read_exec_only == 1 &&
4163 seg_32bit == 0 &&
4164 limit_in_pages == 0 &&
4165 seg_not_present == 1 &&
4166 useable == 0 )) {
4167 entry_1 = 0;
4168 entry_2 = 0;
4169 goto install;
4170 }
4171 }
4172
4173 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4174 (ldt_info.limit & 0x0ffff);
4175 entry_2 = (ldt_info.base_addr & 0xff000000) |
4176 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4177 (ldt_info.limit & 0xf0000) |
4178 ((read_exec_only ^ 1) << 9) |
4179 (contents << 10) |
4180 ((seg_not_present ^ 1) << 15) |
4181 (seg_32bit << 22) |
4182 (limit_in_pages << 23) |
4183 (useable << 20) |
4184 (lm << 21) |
4185 0x7000;
4186
4187 /* Install the new entry ... */
4188install:
4189 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
4190 lp[0] = tswap32(entry_1);
4191 lp[1] = tswap32(entry_2);
4192 return 0;
4193}
4194
8fcd3692 4195static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4196{
4197 struct target_modify_ldt_ldt_s *target_ldt_info;
4198 uint64_t *gdt_table = g2h(env->gdt.base);
4199 uint32_t base_addr, limit, flags;
4200 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
4201 int seg_not_present, useable, lm;
4202 uint32_t *lp, entry_1, entry_2;
4203
4204 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4205 if (!target_ldt_info)
4206 return -TARGET_EFAULT;
4207 idx = tswap32(target_ldt_info->entry_number);
4208 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
4209 idx > TARGET_GDT_ENTRY_TLS_MAX) {
4210 unlock_user_struct(target_ldt_info, ptr, 1);
4211 return -TARGET_EINVAL;
4212 }
4213 lp = (uint32_t *)(gdt_table + idx);
4214 entry_1 = tswap32(lp[0]);
4215 entry_2 = tswap32(lp[1]);
4216
4217 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
4218 contents = (entry_2 >> 10) & 3;
4219 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
4220 seg_32bit = (entry_2 >> 22) & 1;
4221 limit_in_pages = (entry_2 >> 23) & 1;
4222 useable = (entry_2 >> 20) & 1;
4223#ifdef TARGET_ABI32
4224 lm = 0;
4225#else
4226 lm = (entry_2 >> 21) & 1;
4227#endif
4228 flags = (seg_32bit << 0) | (contents << 1) |
4229 (read_exec_only << 3) | (limit_in_pages << 4) |
4230 (seg_not_present << 5) | (useable << 6) | (lm << 7);
4231 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
4232 base_addr = (entry_1 >> 16) |
4233 (entry_2 & 0xff000000) |
4234 ((entry_2 & 0xff) << 16);
cbb21eed 4235 target_ldt_info->base_addr = tswapal(base_addr);
8d18e893
FB		 4236 target_ldt_info->limit = tswap32(limit);
4237 target_ldt_info->flags = tswap32(flags);
4238 unlock_user_struct(target_ldt_info, ptr, 1);
4239 return 0;
4240}
4583f589 4241#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 4242
d2fd1af7 4243#ifndef TARGET_ABI32
8fcd3692 4244static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7 4245{
1add8698 4246 abi_long ret = 0;
d2fd1af7
FB		 4247 abi_ulong val;
4248 int idx;
1add8698 4249
d2fd1af7
FB		 4250 switch(code) {
4251 case TARGET_ARCH_SET_GS:
4252 case TARGET_ARCH_SET_FS:
4253 if (code == TARGET_ARCH_SET_GS)
4254 idx = R_GS;
4255 else
4256 idx = R_FS;
4257 cpu_x86_load_seg(env, idx, 0);
4258 env->segs[idx].base = addr;
4259 break;
4260 case TARGET_ARCH_GET_GS:
4261 case TARGET_ARCH_GET_FS:
4262 if (code == TARGET_ARCH_GET_GS)
4263 idx = R_GS;
4264 else
4265 idx = R_FS;
4266 val = env->segs[idx].base;
4267 if (put_user(val, addr, abi_ulong))
1add8698 4268 ret = -TARGET_EFAULT;
d2fd1af7
FB		 4269 break;
4270 default:
4271 ret = -TARGET_EINVAL;
4272 break;
4273 }
1add8698 4274 return ret;
d2fd1af7
FB		 4275}
4276#endif
4277
2ab83ea7
FB		 4278#endif /* defined(TARGET_I386) */
4279
05098a93 4280#define NEW_STACK_SIZE 0x40000
d865bab5 4281
05098a93 4282#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4283
4284static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
4285typedef struct {
9349b4f9 4286 CPUArchState *env;
d865bab5
PB		 4287 pthread_mutex_t mutex;
4288 pthread_cond_t cond;
4289 pthread_t thread;
4290 uint32_t tid;
4291 abi_ulong child_tidptr;
4292 abi_ulong parent_tidptr;
4293 sigset_t sigmask;
4294} new_thread_info;
4295
4296static void *clone_func(void *arg)
4297{
4298 new_thread_info *info = arg;
9349b4f9 4299 CPUArchState *env;
edf8e2af 4300 TaskState *ts;
d865bab5
PB		 4301
4302 env = info->env;
4303 thread_env = env;
edf8e2af 4304 ts = (TaskState *)thread_env->opaque;
d865bab5 4305 info->tid = gettid();
1e9fa730 4306 env->host_tid = info->tid;
edf8e2af 4307 task_settid(ts);
d865bab5
PB		 4308 if (info->child_tidptr)
4309 put_user_u32(info->tid, info->child_tidptr);
4310 if (info->parent_tidptr)
4311 put_user_u32(info->tid, info->parent_tidptr);
4312 /* Enable signals. */
4313 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
4314 /* Signal to the parent that we're ready. */
4315 pthread_mutex_lock(&info->mutex);
4316 pthread_cond_broadcast(&info->cond);
4317 pthread_mutex_unlock(&info->mutex);
4318 /* Wait until the parent has finshed initializing the tls state. */
4319 pthread_mutex_lock(&clone_lock);
4320 pthread_mutex_unlock(&clone_lock);
4321 cpu_loop(env);
4322 /* never exits */
4323 return NULL;
4324}
4325#else
1b6b029e
FB		 4326
4327static int clone_func(void *arg)
4328{
9349b4f9 4329 CPUArchState *env = arg;
1b6b029e
FB		 4330 cpu_loop(env);
4331 /* never exits */
4332 return 0;
4333}
d865bab5 4334#endif
1b6b029e 4335
0da46a6e
TS		 4336/* do_fork() Must return host values and target errnos (unlike most
4337 do_*() functions). */
9349b4f9 4338static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
d865bab5
PB		 4339 abi_ulong parent_tidptr, target_ulong newtls,
4340 abi_ulong child_tidptr)
1b6b029e
FB		 4341{
4342 int ret;
5cd4393b 4343 TaskState *ts;
9349b4f9 4344 CPUArchState *new_env;
2f7bb878 4345#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4346 unsigned int nptl_flags;
4347 sigset_t sigmask;
9190749f
RV		 4348#else
4349 uint8_t *new_stack;
d865bab5 4350#endif
3b46e624 4351
436d124b
AZ		 4352 /* Emulate vfork() with fork() */
4353 if (flags & CLONE_VFORK)
4354 flags &= ~(CLONE_VFORK | CLONE_VM);
4355
1b6b029e 4356 if (flags & CLONE_VM) {
edf8e2af 4357 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 4358#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4359 new_thread_info info;
4360 pthread_attr_t attr;
bd0c5661 4361#endif
7267c094 4362 ts = g_malloc0(sizeof(TaskState));
624f7979 4363 init_task_state(ts);
1b6b029e 4364 /* we create a new CPU instance. */
c5be9f08 4365 new_env = cpu_copy(env);
b4558d74 4366#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
ff18b762 4367 cpu_reset(ENV_GET_CPU(new_env));
b4558d74 4368#endif
6e68e076
PB		 4369 /* Init regs that differ from the parent. */
4370 cpu_clone_regs(new_env, newsp);
5cd4393b 4371 new_env->opaque = ts;
edf8e2af
MW		 4372 ts->bprm = parent_ts->bprm;
4373 ts->info = parent_ts->info;
2f7bb878 4374#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4375 nptl_flags = flags;
4376 flags &= ~CLONE_NPTL_FLAGS2;
4377
c2764719
PB		 4378 if (nptl_flags & CLONE_CHILD_CLEARTID) {
4379 ts->child_tidptr = child_tidptr;
4380 }
4381
d865bab5
PB		 4382 if (nptl_flags & CLONE_SETTLS)
4383 cpu_set_tls (new_env, newtls);
4384
4385 /* Grab a mutex so that thread setup appears atomic. */
4386 pthread_mutex_lock(&clone_lock);
4387
4388 memset(&info, 0, sizeof(info));
4389 pthread_mutex_init(&info.mutex, NULL);
4390 pthread_mutex_lock(&info.mutex);
4391 pthread_cond_init(&info.cond, NULL);
4392 info.env = new_env;
4393 if (nptl_flags & CLONE_CHILD_SETTID)
4394 info.child_tidptr = child_tidptr;
4395 if (nptl_flags & CLONE_PARENT_SETTID)
4396 info.parent_tidptr = parent_tidptr;
4397
4398 ret = pthread_attr_init(&attr);
48e15fc2
NF		 4399 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
4400 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
d865bab5
PB		 4401 /* It is not safe to deliver signals until the child has finished
4402 initializing, so temporarily block all signals. */
4403 sigfillset(&sigmask);
4404 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
4405
4406 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 4407 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 4408
4409 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
4410 pthread_attr_destroy(&attr);
4411 if (ret == 0) {
4412 /* Wait for the child to initialize. */
4413 pthread_cond_wait(&info.cond, &info.mutex);
4414 ret = info.tid;
4415 if (flags & CLONE_PARENT_SETTID)
4416 put_user_u32(ret, parent_tidptr);
4417 } else {
4418 ret = -1;
4419 }
4420 pthread_mutex_unlock(&info.mutex);
4421 pthread_cond_destroy(&info.cond);
4422 pthread_mutex_destroy(&info.mutex);
4423 pthread_mutex_unlock(&clone_lock);
4424#else
4425 if (flags & CLONE_NPTL_FLAGS2)
4426 return -EINVAL;
4427 /* This is probably going to die very quickly, but do it anyway. */
7267c094 4428 new_stack = g_malloc0 (NEW_STACK_SIZE);
27725c1d 4429#ifdef __ia64__
60e99246 4430 ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 4431#else
4432 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 4433#endif
27725c1d 4434#endif
1b6b029e
FB		 4435 } else {
4436 /* if no CLONE_VM, we consider it is a fork */
d865bab5 4437 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 4438 return -EINVAL;
d865bab5 4439 fork_start();
1b6b029e 4440 ret = fork();
d865bab5 4441 if (ret == 0) {
2b1319c8 4442 /* Child Process. */
d865bab5
PB		 4443 cpu_clone_regs(env, newsp);
4444 fork_end(1);
2f7bb878 4445#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 4446 /* There is a race condition here. The parent process could
4447 theoretically read the TID in the child process before the child
4448 tid is set. This would require using either ptrace
4449 (not implemented) or having *_tidptr to point at a shared memory
4450 mapping. We can't repeat the spinlock hack used above because
4451 the child process gets its own copy of the lock. */
d865bab5
PB		 4452 if (flags & CLONE_CHILD_SETTID)
4453 put_user_u32(gettid(), child_tidptr);
4454 if (flags & CLONE_PARENT_SETTID)
4455 put_user_u32(gettid(), parent_tidptr);
4456 ts = (TaskState *)env->opaque;
4457 if (flags & CLONE_SETTLS)
4458 cpu_set_tls (env, newtls);
c2764719
PB		 4459 if (flags & CLONE_CHILD_CLEARTID)
4460 ts->child_tidptr = child_tidptr;
2b1319c8 4461#endif
d865bab5
PB		 4462 } else {
4463 fork_end(0);
4464 }
1b6b029e
FB		 4465 }
4466 return ret;
4467}
4468
5f106811
APR		 4469/* warning : doesn't handle linux specific flags... */
4470static int target_to_host_fcntl_cmd(int cmd)
4471{
4472 switch(cmd) {
4473 case TARGET_F_DUPFD:
4474 case TARGET_F_GETFD:
4475 case TARGET_F_SETFD:
4476 case TARGET_F_GETFL:
4477 case TARGET_F_SETFL:
4478 return cmd;
4479 case TARGET_F_GETLK:
4480 return F_GETLK;
4481 case TARGET_F_SETLK:
4482 return F_SETLK;
4483 case TARGET_F_SETLKW:
4484 return F_SETLKW;
4485 case TARGET_F_GETOWN:
4486 return F_GETOWN;
4487 case TARGET_F_SETOWN:
4488 return F_SETOWN;
4489 case TARGET_F_GETSIG:
4490 return F_GETSIG;
4491 case TARGET_F_SETSIG:
4492 return F_SETSIG;
4493#if TARGET_ABI_BITS == 32
4494 case TARGET_F_GETLK64:
4495 return F_GETLK64;
4496 case TARGET_F_SETLK64:
4497 return F_SETLK64;
4498 case TARGET_F_SETLKW64:
4499 return F_SETLKW64;
4500#endif
7e22e546
UH		 4501 case TARGET_F_SETLEASE:
4502 return F_SETLEASE;
4503 case TARGET_F_GETLEASE:
4504 return F_GETLEASE;
fbd5de9b 4505#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 4506 case TARGET_F_DUPFD_CLOEXEC:
4507 return F_DUPFD_CLOEXEC;
fbd5de9b 4508#endif
7e22e546
UH		 4509 case TARGET_F_NOTIFY:
4510 return F_NOTIFY;
5f106811
APR		 4511 default:
4512 return -TARGET_EINVAL;
4513 }
4514 return -TARGET_EINVAL;
4515}
4516
992f48a0 4517static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 4518{
4519 struct flock fl;
53a5960a 4520 struct target_flock *target_fl;
43f238d7
TS		 4521 struct flock64 fl64;
4522 struct target_flock64 *target_fl64;
992f48a0 4523 abi_long ret;
5f106811
APR		 4524 int host_cmd = target_to_host_fcntl_cmd(cmd);
4525
4526 if (host_cmd == -TARGET_EINVAL)
4527 return host_cmd;
53a5960a 4528
7775e9ec
FB		 4529 switch(cmd) {
4530 case TARGET_F_GETLK:
579a97f7
FB		 4531 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4532 return -TARGET_EFAULT;
5813427b
TS		 4533 fl.l_type = tswap16(target_fl->l_type);
4534 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4535 fl.l_start = tswapal(target_fl->l_start);
4536 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4537 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 4538 unlock_user_struct(target_fl, arg, 0);
5f106811 4539 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4540 if (ret == 0) {
579a97f7
FB		 4541 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
4542 return -TARGET_EFAULT;
7775e9ec
FB		 4543 target_fl->l_type = tswap16(fl.l_type);
4544 target_fl->l_whence = tswap16(fl.l_whence);
cbb21eed
MB		 4545 target_fl->l_start = tswapal(fl.l_start);
4546 target_fl->l_len = tswapal(fl.l_len);
7e22e546 4547 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 4548 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 4549 }
4550 break;
3b46e624 4551
7775e9ec
FB		 4552 case TARGET_F_SETLK:
4553 case TARGET_F_SETLKW:
579a97f7
FB		 4554 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4555 return -TARGET_EFAULT;
7775e9ec
FB		 4556 fl.l_type = tswap16(target_fl->l_type);
4557 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4558 fl.l_start = tswapal(target_fl->l_start);
4559 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4560 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 4561 unlock_user_struct(target_fl, arg, 0);
5f106811 4562 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4563 break;
3b46e624 4564
7775e9ec 4565 case TARGET_F_GETLK64:
579a97f7
FB		 4566 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4567 return -TARGET_EFAULT;
5813427b
TS		 4568 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4569 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4570 fl64.l_start = tswap64(target_fl64->l_start);
4571 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4572 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 4573 unlock_user_struct(target_fl64, arg, 0);
5f106811 4574 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 4575 if (ret == 0) {
579a97f7
FB		 4576 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
4577 return -TARGET_EFAULT;
43f238d7
TS		 4578 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
4579 target_fl64->l_whence = tswap16(fl64.l_whence);
cbb21eed
MB		 4580 target_fl64->l_start = tswap64(fl64.l_start);
4581 target_fl64->l_len = tswap64(fl64.l_len);
7e22e546 4582 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 4583 unlock_user_struct(target_fl64, arg, 1);
4584 }
9ee1fa2c 4585 break;
7775e9ec
FB		 4586 case TARGET_F_SETLK64:
4587 case TARGET_F_SETLKW64:
579a97f7
FB		 4588 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4589 return -TARGET_EFAULT;
43f238d7
TS		 4590 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4591 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4592 fl64.l_start = tswap64(target_fl64->l_start);
4593 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4594 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 4595 unlock_user_struct(target_fl64, arg, 0);
5f106811 4596 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 4597 break;
4598
5f106811
APR		 4599 case TARGET_F_GETFL:
4600 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 4601 if (ret >= 0) {
4602 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4603 }
ffa65c3b
FB		 4604 break;
4605
5f106811
APR		 4606 case TARGET_F_SETFL:
4607 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4608 break;
4609
4610 case TARGET_F_SETOWN:
4611 case TARGET_F_GETOWN:
4612 case TARGET_F_SETSIG:
4613 case TARGET_F_GETSIG:
7e22e546
UH		 4614 case TARGET_F_SETLEASE:
4615 case TARGET_F_GETLEASE:
5f106811 4616 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 4617 break;
4618
7775e9ec 4619 default:
9ee1fa2c 4620 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 4621 break;
4622 }
4623 return ret;
4624}
4625
67867308 4626#ifdef USE_UID16
7775e9ec 4627
67867308
FB		 4628static inline int high2lowuid(int uid)
4629{
4630 if (uid > 65535)
4631 return 65534;
4632 else
4633 return uid;
4634}
4635
4636static inline int high2lowgid(int gid)
4637{
4638 if (gid > 65535)
4639 return 65534;
4640 else
4641 return gid;
4642}
4643
4644static inline int low2highuid(int uid)
4645{
4646 if ((int16_t)uid == -1)
4647 return -1;
4648 else
4649 return uid;
4650}
4651
4652static inline int low2highgid(int gid)
4653{
4654 if ((int16_t)gid == -1)
4655 return -1;
4656 else
4657 return gid;
4658}
0c866a7e
RV		 4659static inline int tswapid(int id)
4660{
4661 return tswap16(id);
4662}
4663#else /* !USE_UID16 */
4664static inline int high2lowuid(int uid)
4665{
4666 return uid;
4667}
4668static inline int high2lowgid(int gid)
4669{
4670 return gid;
4671}
4672static inline int low2highuid(int uid)
4673{
4674 return uid;
4675}
4676static inline int low2highgid(int gid)
4677{
4678 return gid;
4679}
4680static inline int tswapid(int id)
4681{
4682 return tswap32(id);
4683}
67867308 4684#endif /* USE_UID16 */
1b6b029e 4685
31e31b8a
FB		 4686void syscall_init(void)
4687{
2ab83ea7
FB		 4688 IOCTLEntry *ie;
4689 const argtype *arg_type;
4690 int size;
b92c47c1 4691 int i;
2ab83ea7 4692
001faf32 4693#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 4694#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 4695#include "syscall_types.h"
4696#undef STRUCT
4697#undef STRUCT_SPECIAL
2ab83ea7 4698
dd6e957a
PM		 4699 /* Build target_to_host_errno_table[] table from
4700 * host_to_target_errno_table[]. */
4701 for (i = 0; i < ERRNO_TABLE_SIZE; i++) {
4702 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4703 }
4704
2ab83ea7
FB		 4705 /* we patch the ioctl size if necessary. We rely on the fact that
4706 no ioctl has all the bits at '1' in the size field */
4707 ie = ioctl_entries;
4708 while (ie->target_cmd != 0) {
4709 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4710 TARGET_IOC_SIZEMASK) {
4711 arg_type = ie->arg_type;
4712 if (arg_type[0] != TYPE_PTR) {
5fafdf24 4713 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 4714 ie->target_cmd);
4715 exit(1);
4716 }
4717 arg_type++;
4718 size = thunk_type_size(arg_type, 0);
5fafdf24 4719 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 4720 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4721 (size << TARGET_IOC_SIZESHIFT);
4722 }
b92c47c1 4723
2ab83ea7 4724 /* automatic consistency check if same arch */
872ea0c0
AZ		 4725#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4726 (defined(__x86_64__) && defined(TARGET_X86_64))
4727 if (unlikely(ie->target_cmd != ie->host_cmd)) {
4728 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4729 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 4730 }
4731#endif
4732 ie++;
4733 }
31e31b8a 4734}
c573ff67 4735
992f48a0 4736#if TARGET_ABI_BITS == 32
ce4defa0
PB		 4737static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4738{
af325d36 4739#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 4740 return ((uint64_t)word0 << 32) | word1;
4741#else
4742 return ((uint64_t)word1 << 32) | word0;
4743#endif
4744}
992f48a0 4745#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 4746static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4747{
4748 return word0;
4749}
992f48a0 4750#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 4751
4752#ifdef TARGET_NR_truncate64
992f48a0
BS		 4753static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4754 abi_long arg2,
4755 abi_long arg3,
4756 abi_long arg4)
ce4defa0 4757{
48e515d4 4758 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4759 arg2 = arg3;
4760 arg3 = arg4;
48e515d4 4761 }
ce4defa0
PB		 4762 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4763}
4764#endif
4765
4766#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 4767static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4768 abi_long arg2,
4769 abi_long arg3,
4770 abi_long arg4)
ce4defa0 4771{
48e515d4 4772 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4773 arg2 = arg3;
4774 arg3 = arg4;
48e515d4 4775 }
ce4defa0
PB		 4776 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4777}
4778#endif
4779
579a97f7
FB		 4780static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4781 abi_ulong target_addr)
53a5960a
PB		 4782{
4783 struct target_timespec *target_ts;
4784
579a97f7
FB		 4785 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4786 return -TARGET_EFAULT;
cbb21eed
MB		 4787 host_ts->tv_sec = tswapal(target_ts->tv_sec);
4788 host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
53a5960a 4789 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 4790 return 0;
53a5960a
PB		 4791}
4792
579a97f7
FB		 4793static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4794 struct timespec *host_ts)
53a5960a
PB		 4795{
4796 struct target_timespec *target_ts;
4797
579a97f7
FB		 4798 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4799 return -TARGET_EFAULT;
cbb21eed
MB		 4800 target_ts->tv_sec = tswapal(host_ts->tv_sec);
4801 target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
53a5960a 4802 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 4803 return 0;
53a5960a
PB		 4804}
4805
9d33b76b 4806#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 4807static inline abi_long host_to_target_stat64(void *cpu_env,
4808 abi_ulong target_addr,
4809 struct stat *host_st)
4810{
4811#ifdef TARGET_ARM
4812 if (((CPUARMState *)cpu_env)->eabi) {
4813 struct target_eabi_stat64 *target_st;
4814
4815 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4816 return -TARGET_EFAULT;
4817 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4818 __put_user(host_st->st_dev, &target_st->st_dev);
4819 __put_user(host_st->st_ino, &target_st->st_ino);
4820#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4821 __put_user(host_st->st_ino, &target_st->__st_ino);
4822#endif
4823 __put_user(host_st->st_mode, &target_st->st_mode);
4824 __put_user(host_st->st_nlink, &target_st->st_nlink);
4825 __put_user(host_st->st_uid, &target_st->st_uid);
4826 __put_user(host_st->st_gid, &target_st->st_gid);
4827 __put_user(host_st->st_rdev, &target_st->st_rdev);
4828 __put_user(host_st->st_size, &target_st->st_size);
4829 __put_user(host_st->st_blksize, &target_st->st_blksize);
4830 __put_user(host_st->st_blocks, &target_st->st_blocks);
4831 __put_user(host_st->st_atime, &target_st->target_st_atime);
4832 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4833 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4834 unlock_user_struct(target_st, target_addr, 1);
4835 } else
4836#endif
4837 {
ed18c5ce 4838#if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
9d33b76b
AJ		 4839 struct target_stat *target_st;
4840#else
6a24a778 4841 struct target_stat64 *target_st;
9d33b76b 4842#endif
6a24a778
AZ		 4843
4844 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4845 return -TARGET_EFAULT;
9d33b76b 4846 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4847 __put_user(host_st->st_dev, &target_st->st_dev);
4848 __put_user(host_st->st_ino, &target_st->st_ino);
4849#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4850 __put_user(host_st->st_ino, &target_st->__st_ino);
4851#endif
4852 __put_user(host_st->st_mode, &target_st->st_mode);
4853 __put_user(host_st->st_nlink, &target_st->st_nlink);
4854 __put_user(host_st->st_uid, &target_st->st_uid);
4855 __put_user(host_st->st_gid, &target_st->st_gid);
4856 __put_user(host_st->st_rdev, &target_st->st_rdev);
4857 /* XXX: better use of kernel struct */
4858 __put_user(host_st->st_size, &target_st->st_size);
4859 __put_user(host_st->st_blksize, &target_st->st_blksize);
4860 __put_user(host_st->st_blocks, &target_st->st_blocks);
4861 __put_user(host_st->st_atime, &target_st->target_st_atime);
4862 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4863 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4864 unlock_user_struct(target_st, target_addr, 1);
4865 }
4866
4867 return 0;
4868}
4869#endif
4870
2f7bb878 4871#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 4872/* ??? Using host futex calls even when target atomic operations
4873 are not really atomic probably breaks things. However implementing
4874 futexes locally would make futexes shared between multiple processes
4875 tricky. However they're probably useless because guest atomic
4876 operations won't work either. */
8fcd3692
BS		 4877static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4878 target_ulong uaddr2, int val3)
bd0c5661
PB		 4879{
4880 struct timespec ts, *pts;
a16aae0c 4881 int base_op;
bd0c5661
PB		 4882
4883 /* ??? We assume FUTEX_* constants are the same on both host
4884 and target. */
a29ccd63 4885#ifdef FUTEX_CMD_MASK
a16aae0c 4886 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4887#else
a16aae0c 4888 base_op = op;
a29ccd63 4889#endif
a16aae0c 4890 switch (base_op) {
bd0c5661
PB		 4891 case FUTEX_WAIT:
4892 if (timeout) {
4893 pts = &ts;
4894 target_to_host_timespec(pts, timeout);
4895 } else {
4896 pts = NULL;
4897 }
a29ccd63 4898 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4899 pts, NULL, 0));
4900 case FUTEX_WAKE:
a29ccd63 4901 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4902 case FUTEX_FD:
a29ccd63 4903 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4904 case FUTEX_REQUEUE:
bd0c5661 4905 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4906 case FUTEX_WAKE_OP:
4907 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4908 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4909 But the prototype takes a `struct timespec *'; insert casts
4910 to satisfy the compiler. We do not need to tswap TIMEOUT
4911 since it's not compared to guest memory. */
4912 pts = (struct timespec *)(uintptr_t) timeout;
4913 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4914 g2h(uaddr2),
4915 (base_op == FUTEX_CMP_REQUEUE
4916 ? tswap32(val3)
4917 : val3)));
bd0c5661
PB		 4918 default:
4919 return -TARGET_ENOSYS;
4920 }
4921}
4922#endif
4923
1d9d8b55
PB		 4924/* Map host to target signal numbers for the wait family of syscalls.
4925 Assume all other status bits are the same. */
a05c6409 4926int host_to_target_waitstatus(int status)
1d9d8b55
PB		 4927{
4928 if (WIFSIGNALED(status)) {
4929 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4930 }
4931 if (WIFSTOPPED(status)) {
4932 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4933 | (status & 0xff);
4934 }
4935 return status;
4936}
4937
a745ec6d
PB		 4938int get_osversion(void)
4939{
4940 static int osversion;
4941 struct new_utsname buf;
4942 const char *s;
4943 int i, n, tmp;
4944 if (osversion)
4945 return osversion;
4946 if (qemu_uname_release && *qemu_uname_release) {
4947 s = qemu_uname_release;
4948 } else {
4949 if (sys_uname(&buf))
4950 return 0;
4951 s = buf.release;
4952 }
4953 tmp = 0;
4954 for (i = 0; i < 3; i++) {
4955 n = 0;
4956 while (*s >= '0' && *s <= '9') {
4957 n *= 10;
4958 n += *s - '0';
4959 s++;
4960 }
4961 tmp = (tmp << 8) + n;
4962 if (*s == '.')
4963 s++;
4964 }
4965 osversion = tmp;
4966 return osversion;
4967}
4968
36c08d49
AG		 4969
4970static int open_self_maps(void *cpu_env, int fd)
4971{
1a49ef2a 4972#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
9349b4f9 4973 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
1a49ef2a
AG		 4974#endif
4975 FILE *fp;
4976 char *line = NULL;
4977 size_t len = 0;
4978 ssize_t read;
4979
4980 fp = fopen("/proc/self/maps", "r");
4981 if (fp == NULL) {
4982 return -EACCES;
4983 }
36c08d49 4984
1a49ef2a
AG		 4985 while ((read = getline(&line, &len, fp)) != -1) {
4986 int fields, dev_maj, dev_min, inode;
4987 uint64_t min, max, offset;
4988 char flag_r, flag_w, flag_x, flag_p;
4989 char path[512] = "";
4990 fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
4991 " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
4992 &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
4993
4994 if ((fields < 10) || (fields > 11)) {
4995 continue;
4996 }
4997 if (!strncmp(path, "[stack]", 7)) {
4998 continue;
4999 }
5000 if (h2g_valid(min) && h2g_valid(max)) {
5001 dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
5002 " %c%c%c%c %08" PRIx64 " %02x:%02x %d%s%s\n",
5003 h2g(min), h2g(max), flag_r, flag_w,
5004 flag_x, flag_p, offset, dev_maj, dev_min, inode,
5005 path[0] ? " " : "", path);
5006 }
5007 }
5008
5009 free(line);
5010 fclose(fp);
5011
5012#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
36c08d49
AG		 5013 dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
5014 (unsigned long long)ts->info->stack_limit,
1bdd7c7e
AG		 5015 (unsigned long long)(ts->info->start_stack +
5016 (TARGET_PAGE_SIZE - 1)) & TARGET_PAGE_MASK,
1a49ef2a
AG		 5017 (unsigned long long)0);
5018#endif
36c08d49
AG		 5019
5020 return 0;
5021}
5022
480b8e7d
AG		 5023static int open_self_stat(void *cpu_env, int fd)
5024{
9349b4f9 5025 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
480b8e7d
AG		 5026 abi_ulong start_stack = ts->info->start_stack;
5027 int i;
5028
5029 for (i = 0; i < 44; i++) {
5030 char buf[128];
5031 int len;
5032 uint64_t val = 0;
5033
e0e65bee
FE		 5034 if (i == 0) {
5035 /* pid */
5036 val = getpid();
5037 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5038 } else if (i == 1) {
5039 /* app name */
5040 snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
5041 } else if (i == 27) {
5042 /* stack bottom */
5043 val = start_stack;
5044 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5045 } else {
5046 /* for the rest, there is MasterCard */
5047 snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
480b8e7d 5048 }
e0e65bee 5049
480b8e7d
AG		 5050 len = strlen(buf);
5051 if (write(fd, buf, len) != len) {
5052 return -1;
5053 }
5054 }
5055
5056 return 0;
5057}
5058
257450ee
AG		 5059static int open_self_auxv(void *cpu_env, int fd)
5060{
9349b4f9 5061 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
257450ee
AG		 5062 abi_ulong auxv = ts->info->saved_auxv;
5063 abi_ulong len = ts->info->auxv_len;
5064 char *ptr;
5065
5066 /*
5067 * Auxiliary vector is stored in target process stack.
5068 * read in whole auxv vector and copy it to file
5069 */
5070 ptr = lock_user(VERIFY_READ, auxv, len, 0);
5071 if (ptr != NULL) {
5072 while (len > 0) {
5073 ssize_t r;
5074 r = write(fd, ptr, len);
5075 if (r <= 0) {
5076 break;
5077 }
5078 len -= r;
5079 ptr += r;
5080 }
5081 lseek(fd, 0, SEEK_SET);
5082 unlock_user(ptr, auxv, len);
5083 }
5084
5085 return 0;
5086}
5087
3be14d05
AG		 5088static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode)
5089{
5090 struct fake_open {
5091 const char *filename;
5092 int (*fill)(void *cpu_env, int fd);
5093 };
5094 const struct fake_open *fake_open;
5095 static const struct fake_open fakes[] = {
36c08d49 5096 { "/proc/self/maps", open_self_maps },
480b8e7d 5097 { "/proc/self/stat", open_self_stat },
257450ee 5098 { "/proc/self/auxv", open_self_auxv },
3be14d05
AG		 5099 { NULL, NULL }
5100 };
5101
5102 for (fake_open = fakes; fake_open->filename; fake_open++) {
5103 if (!strncmp(pathname, fake_open->filename,
5104 strlen(fake_open->filename))) {
5105 break;
5106 }
5107 }
5108
5109 if (fake_open->filename) {
5110 const char *tmpdir;
5111 char filename[PATH_MAX];
5112 int fd, r;
5113
5114 /* create temporary file to map stat to */
5115 tmpdir = getenv("TMPDIR");
5116 if (!tmpdir)
5117 tmpdir = "/tmp";
5118 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
5119 fd = mkstemp(filename);
5120 if (fd < 0) {
5121 return fd;
5122 }
5123 unlink(filename);
5124
5125 if ((r = fake_open->fill(cpu_env, fd))) {
5126 close(fd);
5127 return r;
5128 }
5129 lseek(fd, 0, SEEK_SET);
5130
5131 return fd;
5132 }
5133
5134 return get_errno(open(path(pathname), flags, mode));
5135}
5136
0da46a6e
TS		 5137/* do_syscall() should always have a single exit point at the end so
5138 that actions, such as logging of syscall results, can be performed.
5139 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 5140abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
5141 abi_long arg2, abi_long arg3, abi_long arg4,
5945cfcb
PM		 5142 abi_long arg5, abi_long arg6, abi_long arg7,
5143 abi_long arg8)
31e31b8a 5144{
992f48a0 5145 abi_long ret;
31e31b8a 5146 struct stat st;
56c8f68f 5147 struct statfs stfs;
53a5960a 5148 void *p;
3b46e624 5149
72f03900 5150#ifdef DEBUG
c573ff67 5151 gemu_log("syscall %d", num);
72f03900 5152#endif
b92c47c1
TS		 5153 if(do_strace)
5154 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
5155
31e31b8a
FB		 5156 switch(num) {
5157 case TARGET_NR_exit:
2f7bb878 5158#ifdef CONFIG_USE_NPTL
c2764719
PB		 5159 /* In old applications this may be used to implement _exit(2).
5160 However in threaded applictions it is used for thread termination,
5161 and _exit_group is used for application termination.
5162 Do thread termination if we have more then one thread. */
5163 /* FIXME: This probably breaks if a signal arrives. We should probably
5164 be disabling signals. */
5165 if (first_cpu->next_cpu) {
1e9fa730 5166 TaskState *ts;
9349b4f9
AF		 5167 CPUArchState **lastp;
5168 CPUArchState *p;
c2764719
PB		 5169
5170 cpu_list_lock();
5171 lastp = &first_cpu;
5172 p = first_cpu;
9349b4f9 5173 while (p && p != (CPUArchState *)cpu_env) {
c2764719
PB		 5174 lastp = &p->next_cpu;
5175 p = p->next_cpu;
5176 }
5177 /* If we didn't find the CPU for this thread then something is
5178 horribly wrong. */
5179 if (!p)
5180 abort();
5181 /* Remove the CPU from the list. */
5182 *lastp = p->next_cpu;
5183 cpu_list_unlock();
9349b4f9 5184 ts = ((CPUArchState *)cpu_env)->opaque;
c2764719
PB		 5185 if (ts->child_tidptr) {
5186 put_user_u32(0, ts->child_tidptr);
5187 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
5188 NULL, NULL, 0);
5189 }
48e15fc2 5190 thread_env = NULL;
11ea4090 5191 object_delete(OBJECT(ENV_GET_CPU(cpu_env)));
7267c094 5192 g_free(ts);
c2764719
PB		 5193 pthread_exit(NULL);
5194 }
5195#endif
9788c9ca 5196#ifdef TARGET_GPROF
7d13299d
FB		 5197 _mcleanup();
5198#endif
e9009676 5199 gdb_exit(cpu_env, arg1);
c2764719 5200 _exit(arg1);
31e31b8a
FB		 5201 ret = 0; /* avoid warning */
5202 break;
5203 case TARGET_NR_read:
38d840e6
AJ		 5204 if (arg3 == 0)
5205 ret = 0;
5206 else {
5207 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5208 goto efault;
5209 ret = get_errno(read(arg1, p, arg3));
5210 unlock_user(p, arg2, ret);
5211 }
31e31b8a
FB		 5212 break;
5213 case TARGET_NR_write:
579a97f7
FB		 5214 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5215 goto efault;
53a5960a
PB		 5216 ret = get_errno(write(arg1, p, arg3));
5217 unlock_user(p, arg2, 0);
31e31b8a
FB		 5218 break;
5219 case TARGET_NR_open:
2f619698
FB		 5220 if (!(p = lock_user_string(arg1)))
5221 goto efault;
3be14d05
AG		 5222 ret = get_errno(do_open(cpu_env, p,
5223 target_to_host_bitmask(arg2, fcntl_flags_tbl),
5224 arg3));
53a5960a 5225 unlock_user(p, arg1, 0);
31e31b8a 5226 break;
82424832
TS		 5227#if defined(TARGET_NR_openat) && defined(__NR_openat)
5228 case TARGET_NR_openat:
579a97f7
FB		 5229 if (!(p = lock_user_string(arg2)))
5230 goto efault;
5231 ret = get_errno(sys_openat(arg1,
5232 path(p),
5233 target_to_host_bitmask(arg3, fcntl_flags_tbl),
5234 arg4));
5235 unlock_user(p, arg2, 0);
82424832
TS		 5236 break;
5237#endif
31e31b8a
FB		 5238 case TARGET_NR_close:
5239 ret = get_errno(close(arg1));
5240 break;
5241 case TARGET_NR_brk:
53a5960a 5242 ret = do_brk(arg1);
31e31b8a
FB		 5243 break;
5244 case TARGET_NR_fork:
d865bab5 5245 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 5246 break;
e5febef5 5247#ifdef TARGET_NR_waitpid
31e31b8a
FB		 5248 case TARGET_NR_waitpid:
5249 {
53a5960a
PB		 5250 int status;
5251 ret = get_errno(waitpid(arg1, &status, arg3));
5379557b 5252 if (!is_error(ret) && arg2 && ret
1d9d8b55 5253 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 5254 goto efault;
31e31b8a
FB		 5255 }
5256 break;
e5febef5 5257#endif
f0cbb613
PB		 5258#ifdef TARGET_NR_waitid
5259 case TARGET_NR_waitid:
5260 {
5261 siginfo_t info;
5262 info.si_pid = 0;
5263 ret = get_errno(waitid(arg1, arg2, &info, arg4));
5264 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 5265 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 5266 goto efault;
5267 host_to_target_siginfo(p, &info);
c227f099 5268 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 5269 }
5270 }
5271 break;
5272#endif
7a3148a9 5273#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 5274 case TARGET_NR_creat:
579a97f7
FB		 5275 if (!(p = lock_user_string(arg1)))
5276 goto efault;
53a5960a
PB		 5277 ret = get_errno(creat(p, arg2));
5278 unlock_user(p, arg1, 0);
31e31b8a 5279 break;
7a3148a9 5280#endif
31e31b8a 5281 case TARGET_NR_link:
53a5960a
PB		 5282 {
5283 void * p2;
5284 p = lock_user_string(arg1);
5285 p2 = lock_user_string(arg2);
579a97f7
FB		 5286 if (!p || !p2)
5287 ret = -TARGET_EFAULT;
5288 else
5289 ret = get_errno(link(p, p2));
53a5960a
PB		 5290 unlock_user(p2, arg2, 0);
5291 unlock_user(p, arg1, 0);
5292 }
31e31b8a 5293 break;
64f0ce4c
TS		 5294#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
5295 case TARGET_NR_linkat:
64f0ce4c
TS		 5296 {
5297 void * p2 = NULL;
579a97f7
FB		 5298 if (!arg2 || !arg4)
5299 goto efault;
64f0ce4c
TS		 5300 p = lock_user_string(arg2);
5301 p2 = lock_user_string(arg4);
579a97f7 5302 if (!p || !p2)
0da46a6e 5303 ret = -TARGET_EFAULT;
64f0ce4c
TS		 5304 else
5305 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 5306 unlock_user(p, arg2, 0);
5307 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 5308 }
5309 break;
5310#endif
31e31b8a 5311 case TARGET_NR_unlink:
579a97f7
FB		 5312 if (!(p = lock_user_string(arg1)))
5313 goto efault;
53a5960a
PB		 5314 ret = get_errno(unlink(p));
5315 unlock_user(p, arg1, 0);
31e31b8a 5316 break;
8170f56b
TS		 5317#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
5318 case TARGET_NR_unlinkat:
579a97f7
FB		 5319 if (!(p = lock_user_string(arg2)))
5320 goto efault;
5321 ret = get_errno(sys_unlinkat(arg1, p, arg3));
5322 unlock_user(p, arg2, 0);
ed494d87 5323 break;
b7d35e65 5324#endif
31e31b8a 5325 case TARGET_NR_execve:
7854b056
FB		 5326 {
5327 char **argp, **envp;
f7341ff4 5328 int argc, envc;
992f48a0
BS		 5329 abi_ulong gp;
5330 abi_ulong guest_argp;
5331 abi_ulong guest_envp;
5332 abi_ulong addr;
7854b056 5333 char **q;
a6f79cc9 5334 int total_size = 0;
7854b056 5335
f7341ff4 5336 argc = 0;
53a5960a 5337 guest_argp = arg2;
da94d263 5338 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5339 if (get_user_ual(addr, gp))
2f619698 5340 goto efault;
03aa1976 5341 if (!addr)
2f619698 5342 break;
7854b056 5343 argc++;
2f619698 5344 }
f7341ff4 5345 envc = 0;
53a5960a 5346 guest_envp = arg3;
da94d263 5347 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5348 if (get_user_ual(addr, gp))
2f619698 5349 goto efault;
03aa1976 5350 if (!addr)
2f619698 5351 break;
7854b056 5352 envc++;
2f619698 5353 }
7854b056 5354
f7341ff4
FB		 5355 argp = alloca((argc + 1) * sizeof(void *));
5356 envp = alloca((envc + 1) * sizeof(void *));
7854b056 5357
da94d263 5358 for (gp = guest_argp, q = argp; gp;
992f48a0 5359 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5360 if (get_user_ual(addr, gp))
5361 goto execve_efault;
53a5960a
PB		 5362 if (!addr)
5363 break;
2f619698
FB		 5364 if (!(*q = lock_user_string(addr)))
5365 goto execve_efault;
a6f79cc9 5366 total_size += strlen(*q) + 1;
53a5960a 5367 }
f7341ff4
FB		 5368 *q = NULL;
5369
da94d263 5370 for (gp = guest_envp, q = envp; gp;
992f48a0 5371 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5372 if (get_user_ual(addr, gp))
5373 goto execve_efault;
53a5960a
PB		 5374 if (!addr)
5375 break;
2f619698
FB		 5376 if (!(*q = lock_user_string(addr)))
5377 goto execve_efault;
a6f79cc9 5378 total_size += strlen(*q) + 1;
53a5960a 5379 }
f7341ff4 5380 *q = NULL;
7854b056 5381
a6f79cc9
UH		 5382 /* This case will not be caught by the host's execve() if its
5383 page size is bigger than the target's. */
5384 if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
5385 ret = -TARGET_E2BIG;
5386 goto execve_end;
5387 }
2f619698
FB		 5388 if (!(p = lock_user_string(arg1)))
5389 goto execve_efault;
53a5960a
PB		 5390 ret = get_errno(execve(p, argp, envp));
5391 unlock_user(p, arg1, 0);
5392
2f619698
FB		 5393 goto execve_end;
5394
5395 execve_efault:
5396 ret = -TARGET_EFAULT;
5397
5398 execve_end:
53a5960a 5399 for (gp = guest_argp, q = argp; *q;
992f48a0 5400 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5401 if (get_user_ual(addr, gp)
5402 || !addr)
5403 break;
53a5960a
PB		 5404 unlock_user(*q, addr, 0);
5405 }
5406 for (gp = guest_envp, q = envp; *q;
992f48a0 5407 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5408 if (get_user_ual(addr, gp)
5409 || !addr)
5410 break;
53a5960a
PB		 5411 unlock_user(*q, addr, 0);
5412 }
7854b056 5413 }
31e31b8a
FB		 5414 break;
5415 case TARGET_NR_chdir:
579a97f7
FB		 5416 if (!(p = lock_user_string(arg1)))
5417 goto efault;
53a5960a
PB		 5418 ret = get_errno(chdir(p));
5419 unlock_user(p, arg1, 0);
31e31b8a 5420 break;
a315a145 5421#ifdef TARGET_NR_time
31e31b8a
FB		 5422 case TARGET_NR_time:
5423 {
53a5960a
PB		 5424 time_t host_time;
5425 ret = get_errno(time(&host_time));
2f619698
FB		 5426 if (!is_error(ret)
5427 && arg1
5428 && put_user_sal(host_time, arg1))
5429 goto efault;
31e31b8a
FB		 5430 }
5431 break;
a315a145 5432#endif
31e31b8a 5433 case TARGET_NR_mknod:
579a97f7
FB		 5434 if (!(p = lock_user_string(arg1)))
5435 goto efault;
53a5960a
PB		 5436 ret = get_errno(mknod(p, arg2, arg3));
5437 unlock_user(p, arg1, 0);
31e31b8a 5438 break;
75ac37a0
TS		 5439#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
5440 case TARGET_NR_mknodat:
579a97f7
FB		 5441 if (!(p = lock_user_string(arg2)))
5442 goto efault;
5443 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
5444 unlock_user(p, arg2, 0);
75ac37a0
TS		 5445 break;
5446#endif
31e31b8a 5447 case TARGET_NR_chmod:
579a97f7
FB		 5448 if (!(p = lock_user_string(arg1)))
5449 goto efault;
53a5960a
PB		 5450 ret = get_errno(chmod(p, arg2));
5451 unlock_user(p, arg1, 0);
31e31b8a 5452 break;
ebc05488 5453#ifdef TARGET_NR_break
31e31b8a
FB		 5454 case TARGET_NR_break:
5455 goto unimplemented;
ebc05488
FB		 5456#endif
5457#ifdef TARGET_NR_oldstat
31e31b8a
FB		 5458 case TARGET_NR_oldstat:
5459 goto unimplemented;
ebc05488 5460#endif
31e31b8a
FB		 5461 case TARGET_NR_lseek:
5462 ret = get_errno(lseek(arg1, arg2, arg3));
5463 break;
9231733a
RH		 5464#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5465 /* Alpha specific */
7a3148a9 5466 case TARGET_NR_getxpid:
9231733a
RH		 5467 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
5468 ret = get_errno(getpid());
5469 break;
7a3148a9 5470#endif
9231733a
RH		 5471#ifdef TARGET_NR_getpid
5472 case TARGET_NR_getpid:
31e31b8a
FB		 5473 ret = get_errno(getpid());
5474 break;
9231733a 5475#endif
31e31b8a 5476 case TARGET_NR_mount:
80265918
TS		 5477 {
5478 /* need to look at the data field */
5479 void *p2, *p3;
5480 p = lock_user_string(arg1);
5481 p2 = lock_user_string(arg2);
5482 p3 = lock_user_string(arg3);
579a97f7
FB		 5483 if (!p || !p2 || !p3)
5484 ret = -TARGET_EFAULT;
dab46405 5485 else {
579a97f7
FB		 5486 /* FIXME - arg5 should be locked, but it isn't clear how to
5487 * do that since it's not guaranteed to be a NULL-terminated
5488 * string.
5489 */
dab46405
JSM		 5490 if ( ! arg5 )
5491 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
5492 else
5493 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
5494 }
579a97f7
FB		 5495 unlock_user(p, arg1, 0);
5496 unlock_user(p2, arg2, 0);
5497 unlock_user(p3, arg3, 0);
80265918
TS		 5498 break;
5499 }
e5febef5 5500#ifdef TARGET_NR_umount
31e31b8a 5501 case TARGET_NR_umount:
579a97f7
FB		 5502 if (!(p = lock_user_string(arg1)))
5503 goto efault;
53a5960a
PB		 5504 ret = get_errno(umount(p));
5505 unlock_user(p, arg1, 0);
31e31b8a 5506 break;
e5febef5 5507#endif
7a3148a9 5508#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 5509 case TARGET_NR_stime:
5510 {
53a5960a 5511 time_t host_time;
2f619698
FB		 5512 if (get_user_sal(host_time, arg1))
5513 goto efault;
53a5960a 5514 ret = get_errno(stime(&host_time));
31e31b8a
FB		 5515 }
5516 break;
7a3148a9 5517#endif
31e31b8a
FB		 5518 case TARGET_NR_ptrace:
5519 goto unimplemented;
7a3148a9 5520#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 5521 case TARGET_NR_alarm:
5522 ret = alarm(arg1);
5523 break;
7a3148a9 5524#endif
ebc05488 5525#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 5526 case TARGET_NR_oldfstat:
5527 goto unimplemented;
ebc05488 5528#endif
7a3148a9 5529#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 5530 case TARGET_NR_pause:
5531 ret = get_errno(pause());
5532 break;
7a3148a9 5533#endif
e5febef5 5534#ifdef TARGET_NR_utime
31e31b8a 5535 case TARGET_NR_utime:
ebc05488 5536 {
53a5960a
PB		 5537 struct utimbuf tbuf, *host_tbuf;
5538 struct target_utimbuf *target_tbuf;
5539 if (arg2) {
579a97f7
FB		 5540 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
5541 goto efault;
cbb21eed
MB		 5542 tbuf.actime = tswapal(target_tbuf->actime);
5543 tbuf.modtime = tswapal(target_tbuf->modtime);
53a5960a
PB		 5544 unlock_user_struct(target_tbuf, arg2, 0);
5545 host_tbuf = &tbuf;
f72e8ff4 5546 } else {
53a5960a 5547 host_tbuf = NULL;
f72e8ff4 5548 }
579a97f7
FB		 5549 if (!(p = lock_user_string(arg1)))
5550 goto efault;
53a5960a
PB		 5551 ret = get_errno(utime(p, host_tbuf));
5552 unlock_user(p, arg1, 0);
ebc05488
FB		 5553 }
5554 break;
e5febef5 5555#endif
978a66ff
FB		 5556 case TARGET_NR_utimes:
5557 {
978a66ff 5558 struct timeval *tvp, tv[2];
53a5960a 5559 if (arg2) {
788f5ec4
TS		 5560 if (copy_from_user_timeval(&tv[0], arg2)
5561 || copy_from_user_timeval(&tv[1],
5562 arg2 + sizeof(struct target_timeval)))
5563 goto efault;
978a66ff
FB		 5564 tvp = tv;
5565 } else {
5566 tvp = NULL;
5567 }
579a97f7
FB		 5568 if (!(p = lock_user_string(arg1)))
5569 goto efault;
53a5960a
PB		 5570 ret = get_errno(utimes(p, tvp));
5571 unlock_user(p, arg1, 0);
978a66ff
FB		 5572 }
5573 break;
ac8a6556
AZ		 5574#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
5575 case TARGET_NR_futimesat:
5576 {
5577 struct timeval *tvp, tv[2];
5578 if (arg3) {
5579 if (copy_from_user_timeval(&tv[0], arg3)
5580 || copy_from_user_timeval(&tv[1],
5581 arg3 + sizeof(struct target_timeval)))
5582 goto efault;
5583 tvp = tv;
5584 } else {
5585 tvp = NULL;
5586 }
5587 if (!(p = lock_user_string(arg2)))
5588 goto efault;
5589 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
5590 unlock_user(p, arg2, 0);
5591 }
5592 break;
5593#endif
ebc05488 5594#ifdef TARGET_NR_stty
31e31b8a
FB		 5595 case TARGET_NR_stty:
5596 goto unimplemented;
ebc05488
FB		 5597#endif
5598#ifdef TARGET_NR_gtty
31e31b8a
FB		 5599 case TARGET_NR_gtty:
5600 goto unimplemented;
ebc05488 5601#endif
31e31b8a 5602 case TARGET_NR_access:
579a97f7
FB		 5603 if (!(p = lock_user_string(arg1)))
5604 goto efault;
719f908e 5605 ret = get_errno(access(path(p), arg2));
53a5960a 5606 unlock_user(p, arg1, 0);
31e31b8a 5607 break;
92a34c10
TS		 5608#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5609 case TARGET_NR_faccessat:
579a97f7
FB		 5610 if (!(p = lock_user_string(arg2)))
5611 goto efault;
465c9f06 5612 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 5613 unlock_user(p, arg2, 0);
92a34c10
TS		 5614 break;
5615#endif
7a3148a9 5616#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 5617 case TARGET_NR_nice:
5618 ret = get_errno(nice(arg1));
5619 break;
7a3148a9 5620#endif
ebc05488 5621#ifdef TARGET_NR_ftime
31e31b8a
FB		 5622 case TARGET_NR_ftime:
5623 goto unimplemented;
ebc05488 5624#endif
31e31b8a 5625 case TARGET_NR_sync:
04369ff2
FB		 5626 sync();
5627 ret = 0;
31e31b8a
FB		 5628 break;
5629 case TARGET_NR_kill:
4cb05961 5630 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 5631 break;
5632 case TARGET_NR_rename:
53a5960a
PB		 5633 {
5634 void *p2;
5635 p = lock_user_string(arg1);
5636 p2 = lock_user_string(arg2);
579a97f7
FB		 5637 if (!p || !p2)
5638 ret = -TARGET_EFAULT;
5639 else
5640 ret = get_errno(rename(p, p2));
53a5960a
PB		 5641 unlock_user(p2, arg2, 0);
5642 unlock_user(p, arg1, 0);
5643 }
31e31b8a 5644 break;
722183f6
TS		 5645#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
5646 case TARGET_NR_renameat:
722183f6 5647 {
579a97f7 5648 void *p2;
722183f6
TS		 5649 p = lock_user_string(arg2);
5650 p2 = lock_user_string(arg4);
579a97f7 5651 if (!p || !p2)
0da46a6e 5652 ret = -TARGET_EFAULT;
722183f6
TS		 5653 else
5654 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 5655 unlock_user(p2, arg4, 0);
5656 unlock_user(p, arg2, 0);
722183f6
TS		 5657 }
5658 break;
5659#endif
31e31b8a 5660 case TARGET_NR_mkdir:
579a97f7
FB		 5661 if (!(p = lock_user_string(arg1)))
5662 goto efault;
53a5960a
PB		 5663 ret = get_errno(mkdir(p, arg2));
5664 unlock_user(p, arg1, 0);
31e31b8a 5665 break;
4472ad0d
TS		 5666#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
5667 case TARGET_NR_mkdirat:
579a97f7
FB		 5668 if (!(p = lock_user_string(arg2)))
5669 goto efault;
5670 ret = get_errno(sys_mkdirat(arg1, p, arg3));
5671 unlock_user(p, arg2, 0);
4472ad0d
TS		 5672 break;
5673#endif
31e31b8a 5674 case TARGET_NR_rmdir:
579a97f7
FB		 5675 if (!(p = lock_user_string(arg1)))
5676 goto efault;
53a5960a
PB		 5677 ret = get_errno(rmdir(p));
5678 unlock_user(p, arg1, 0);
31e31b8a
FB		 5679 break;
5680 case TARGET_NR_dup:
5681 ret = get_errno(dup(arg1));
5682 break;
5683 case TARGET_NR_pipe:
fb41a66e 5684 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f
RV		 5685 break;
5686#ifdef TARGET_NR_pipe2
5687 case TARGET_NR_pipe2:
e7ea6cbe
RH		 5688 ret = do_pipe(cpu_env, arg1,
5689 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
31e31b8a 5690 break;
099d6b0f 5691#endif
31e31b8a 5692 case TARGET_NR_times:
32f36bce 5693 {
53a5960a 5694 struct target_tms *tmsp;
32f36bce
FB		 5695 struct tms tms;
5696 ret = get_errno(times(&tms));
53a5960a 5697 if (arg1) {
579a97f7
FB		 5698 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
5699 if (!tmsp)
5700 goto efault;
cbb21eed
MB		 5701 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
5702 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
5703 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
5704 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
32f36bce 5705 }
c596ed17
FB		 5706 if (!is_error(ret))
5707 ret = host_to_target_clock_t(ret);
32f36bce
FB		 5708 }
5709 break;
ebc05488 5710#ifdef TARGET_NR_prof
31e31b8a
FB		 5711 case TARGET_NR_prof:
5712 goto unimplemented;
ebc05488 5713#endif
e5febef5 5714#ifdef TARGET_NR_signal
31e31b8a
FB		 5715 case TARGET_NR_signal:
5716 goto unimplemented;
e5febef5 5717#endif
31e31b8a 5718 case TARGET_NR_acct:
38d840e6
AJ		 5719 if (arg1 == 0) {
5720 ret = get_errno(acct(NULL));
5721 } else {
5722 if (!(p = lock_user_string(arg1)))
5723 goto efault;
5724 ret = get_errno(acct(path(p)));
5725 unlock_user(p, arg1, 0);
5726 }
24836689 5727 break;
7a3148a9 5728#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 5729 case TARGET_NR_umount2:
579a97f7
FB		 5730 if (!(p = lock_user_string(arg1)))
5731 goto efault;
53a5960a
PB		 5732 ret = get_errno(umount2(p, arg2));
5733 unlock_user(p, arg1, 0);
31e31b8a 5734 break;
7a3148a9 5735#endif
ebc05488 5736#ifdef TARGET_NR_lock
31e31b8a
FB		 5737 case TARGET_NR_lock:
5738 goto unimplemented;
ebc05488 5739#endif
31e31b8a
FB		 5740 case TARGET_NR_ioctl:
5741 ret = do_ioctl(arg1, arg2, arg3);
5742 break;
5743 case TARGET_NR_fcntl:
9ee1fa2c 5744 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 5745 break;
ebc05488 5746#ifdef TARGET_NR_mpx
31e31b8a
FB		 5747 case TARGET_NR_mpx:
5748 goto unimplemented;
ebc05488 5749#endif
31e31b8a
FB		 5750 case TARGET_NR_setpgid:
5751 ret = get_errno(setpgid(arg1, arg2));
5752 break;
ebc05488 5753#ifdef TARGET_NR_ulimit
31e31b8a
FB		 5754 case TARGET_NR_ulimit:
5755 goto unimplemented;
ebc05488
FB		 5756#endif
5757#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 5758 case TARGET_NR_oldolduname:
5759 goto unimplemented;
ebc05488 5760#endif
31e31b8a
FB		 5761 case TARGET_NR_umask:
5762 ret = get_errno(umask(arg1));
5763 break;
5764 case TARGET_NR_chroot:
579a97f7
FB		 5765 if (!(p = lock_user_string(arg1)))
5766 goto efault;
53a5960a
PB		 5767 ret = get_errno(chroot(p));
5768 unlock_user(p, arg1, 0);
31e31b8a
FB		 5769 break;
5770 case TARGET_NR_ustat:
5771 goto unimplemented;
5772 case TARGET_NR_dup2:
5773 ret = get_errno(dup2(arg1, arg2));
5774 break;
d0927938
UH		 5775#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5776 case TARGET_NR_dup3:
5777 ret = get_errno(dup3(arg1, arg2, arg3));
5778 break;
5779#endif
7a3148a9 5780#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 5781 case TARGET_NR_getppid:
5782 ret = get_errno(getppid());
5783 break;
7a3148a9 5784#endif
31e31b8a
FB		 5785 case TARGET_NR_getpgrp:
5786 ret = get_errno(getpgrp());
5787 break;
5788 case TARGET_NR_setsid:
5789 ret = get_errno(setsid());
5790 break;
e5febef5 5791#ifdef TARGET_NR_sigaction
31e31b8a 5792 case TARGET_NR_sigaction:
31e31b8a 5793 {
6049f4f8
RH		 5794#if defined(TARGET_ALPHA)
5795 struct target_sigaction act, oact, *pact = 0;
53a5960a 5796 struct target_old_sigaction *old_act;
53a5960a 5797 if (arg2) {
579a97f7
FB		 5798 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5799 goto efault;
66fb9763
FB		 5800 act._sa_handler = old_act->_sa_handler;
5801 target_siginitset(&act.sa_mask, old_act->sa_mask);
5802 act.sa_flags = old_act->sa_flags;
6049f4f8 5803 act.sa_restorer = 0;
53a5960a 5804 unlock_user_struct(old_act, arg2, 0);
66fb9763 5805 pact = &act;
66fb9763
FB		 5806 }
5807 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 5808 if (!is_error(ret) && arg3) {
579a97f7
FB		 5809 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5810 goto efault;
53a5960a
PB		 5811 old_act->_sa_handler = oact._sa_handler;
5812 old_act->sa_mask = oact.sa_mask.sig[0];
5813 old_act->sa_flags = oact.sa_flags;
53a5960a 5814 unlock_user_struct(old_act, arg3, 1);
66fb9763 5815 }
6049f4f8 5816#elif defined(TARGET_MIPS)
106ec879
FB		 5817 struct target_sigaction act, oact, *pact, *old_act;
5818
5819 if (arg2) {
579a97f7
FB		 5820 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5821 goto efault;
106ec879
FB		 5822 act._sa_handler = old_act->_sa_handler;
5823 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
5824 act.sa_flags = old_act->sa_flags;
5825 unlock_user_struct(old_act, arg2, 0);
5826 pact = &act;
5827 } else {
5828 pact = NULL;
5829 }
5830
5831 ret = get_errno(do_sigaction(arg1, pact, &oact));
5832
5833 if (!is_error(ret) && arg3) {
579a97f7
FB		 5834 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5835 goto efault;
106ec879
FB		 5836 old_act->_sa_handler = oact._sa_handler;
5837 old_act->sa_flags = oact.sa_flags;
5838 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
5839 old_act->sa_mask.sig[1] = 0;
5840 old_act->sa_mask.sig[2] = 0;
5841 old_act->sa_mask.sig[3] = 0;
5842 unlock_user_struct(old_act, arg3, 1);
5843 }
6049f4f8
RH		 5844#else
5845 struct target_old_sigaction *old_act;
5846 struct target_sigaction act, oact, *pact;
5847 if (arg2) {
5848 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5849 goto efault;
5850 act._sa_handler = old_act->_sa_handler;
5851 target_siginitset(&act.sa_mask, old_act->sa_mask);
5852 act.sa_flags = old_act->sa_flags;
5853 act.sa_restorer = old_act->sa_restorer;
5854 unlock_user_struct(old_act, arg2, 0);
5855 pact = &act;
5856 } else {
5857 pact = NULL;
5858 }
5859 ret = get_errno(do_sigaction(arg1, pact, &oact));
5860 if (!is_error(ret) && arg3) {
5861 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5862 goto efault;
5863 old_act->_sa_handler = oact._sa_handler;
5864 old_act->sa_mask = oact.sa_mask.sig[0];
5865 old_act->sa_flags = oact.sa_flags;
5866 old_act->sa_restorer = oact.sa_restorer;
5867 unlock_user_struct(old_act, arg3, 1);
5868 }
388bb21a 5869#endif
31e31b8a
FB		 5870 }
5871 break;
e5febef5 5872#endif
66fb9763 5873 case TARGET_NR_rt_sigaction:
53a5960a 5874 {
6049f4f8
RH		 5875#if defined(TARGET_ALPHA)
5876 struct target_sigaction act, oact, *pact = 0;
5877 struct target_rt_sigaction *rt_act;
5878 /* ??? arg4 == sizeof(sigset_t). */
5879 if (arg2) {
5880 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
5881 goto efault;
5882 act._sa_handler = rt_act->_sa_handler;
5883 act.sa_mask = rt_act->sa_mask;
5884 act.sa_flags = rt_act->sa_flags;
5885 act.sa_restorer = arg5;
5886 unlock_user_struct(rt_act, arg2, 0);
5887 pact = &act;
5888 }
5889 ret = get_errno(do_sigaction(arg1, pact, &oact));
5890 if (!is_error(ret) && arg3) {
5891 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
5892 goto efault;
5893 rt_act->_sa_handler = oact._sa_handler;
5894 rt_act->sa_mask = oact.sa_mask;
5895 rt_act->sa_flags = oact.sa_flags;
5896 unlock_user_struct(rt_act, arg3, 1);
5897 }
5898#else
53a5960a
PB		 5899 struct target_sigaction *act;
5900 struct target_sigaction *oact;
5901
579a97f7
FB		 5902 if (arg2) {
5903 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
5904 goto efault;
5905 } else
53a5960a 5906 act = NULL;
579a97f7
FB		 5907 if (arg3) {
5908 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
5909 ret = -TARGET_EFAULT;
5910 goto rt_sigaction_fail;
5911 }
5912 } else
53a5960a
PB		 5913 oact = NULL;
5914 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 5915 rt_sigaction_fail:
5916 if (act)
53a5960a 5917 unlock_user_struct(act, arg2, 0);
579a97f7 5918 if (oact)
53a5960a 5919 unlock_user_struct(oact, arg3, 1);
6049f4f8 5920#endif
53a5960a 5921 }
66fb9763 5922 break;
7a3148a9 5923#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 5924 case TARGET_NR_sgetmask:
66fb9763
FB		 5925 {
5926 sigset_t cur_set;
992f48a0 5927 abi_ulong target_set;
66fb9763
FB		 5928 sigprocmask(0, NULL, &cur_set);
5929 host_to_target_old_sigset(&target_set, &cur_set);
5930 ret = target_set;
5931 }
5932 break;
7a3148a9
JM		 5933#endif
5934#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 5935 case TARGET_NR_ssetmask:
66fb9763
FB		 5936 {
5937 sigset_t set, oset, cur_set;
992f48a0 5938 abi_ulong target_set = arg1;
66fb9763
FB		 5939 sigprocmask(0, NULL, &cur_set);
5940 target_to_host_old_sigset(&set, &target_set);
5941 sigorset(&set, &set, &cur_set);
5942 sigprocmask(SIG_SETMASK, &set, &oset);
5943 host_to_target_old_sigset(&target_set, &oset);
5944 ret = target_set;
5945 }
5946 break;
7a3148a9 5947#endif
e5febef5 5948#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 5949 case TARGET_NR_sigprocmask:
5950 {
a5b3b13b
RH		 5951#if defined(TARGET_ALPHA)
5952 sigset_t set, oldset;
5953 abi_ulong mask;
5954 int how;
5955
5956 switch (arg1) {
5957 case TARGET_SIG_BLOCK:
5958 how = SIG_BLOCK;
5959 break;
5960 case TARGET_SIG_UNBLOCK:
5961 how = SIG_UNBLOCK;
5962 break;
5963 case TARGET_SIG_SETMASK:
5964 how = SIG_SETMASK;
5965 break;
5966 default:
5967 ret = -TARGET_EINVAL;
5968 goto fail;
5969 }
5970 mask = arg2;
5971 target_to_host_old_sigset(&set, &mask);
5972
5973 ret = get_errno(sigprocmask(how, &set, &oldset));
a5b3b13b
RH		 5974 if (!is_error(ret)) {
5975 host_to_target_old_sigset(&mask, &oldset);
5976 ret = mask;
0229f5a3 5977 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */
a5b3b13b
RH		 5978 }
5979#else
66fb9763 5980 sigset_t set, oldset, *set_ptr;
a5b3b13b 5981 int how;
3b46e624 5982
53a5960a 5983 if (arg2) {
a5b3b13b 5984 switch (arg1) {
66fb9763
FB		 5985 case TARGET_SIG_BLOCK:
5986 how = SIG_BLOCK;
5987 break;
5988 case TARGET_SIG_UNBLOCK:
5989 how = SIG_UNBLOCK;
5990 break;
5991 case TARGET_SIG_SETMASK:
5992 how = SIG_SETMASK;
5993 break;
5994 default:
0da46a6e 5995 ret = -TARGET_EINVAL;
66fb9763
FB		 5996 goto fail;
5997 }
c227f099 5998 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5999 goto efault;
53a5960a
PB		 6000 target_to_host_old_sigset(&set, p);
6001 unlock_user(p, arg2, 0);
66fb9763
FB		 6002 set_ptr = &set;
6003 } else {
6004 how = 0;
6005 set_ptr = NULL;
6006 }
a5b3b13b 6007 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 6008 if (!is_error(ret) && arg3) {
c227f099 6009 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6010 goto efault;
53a5960a 6011 host_to_target_old_sigset(p, &oldset);
c227f099 6012 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 6013 }
a5b3b13b 6014#endif
66fb9763
FB		 6015 }
6016 break;
e5febef5 6017#endif
66fb9763
FB		 6018 case TARGET_NR_rt_sigprocmask:
6019 {
6020 int how = arg1;
6021 sigset_t set, oldset, *set_ptr;
3b46e624 6022
53a5960a 6023 if (arg2) {
66fb9763
FB		 6024 switch(how) {
6025 case TARGET_SIG_BLOCK:
6026 how = SIG_BLOCK;
6027 break;
6028 case TARGET_SIG_UNBLOCK:
6029 how = SIG_UNBLOCK;
6030 break;
6031 case TARGET_SIG_SETMASK:
6032 how = SIG_SETMASK;
6033 break;
6034 default:
0da46a6e 6035 ret = -TARGET_EINVAL;
66fb9763
FB		 6036 goto fail;
6037 }
c227f099 6038 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 6039 goto efault;
53a5960a
PB		 6040 target_to_host_sigset(&set, p);
6041 unlock_user(p, arg2, 0);
66fb9763
FB		 6042 set_ptr = &set;
6043 } else {
6044 how = 0;
6045 set_ptr = NULL;
6046 }
6047 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 6048 if (!is_error(ret) && arg3) {
c227f099 6049 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6050 goto efault;
53a5960a 6051 host_to_target_sigset(p, &oldset);
c227f099 6052 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 6053 }
6054 }
6055 break;
e5febef5 6056#ifdef TARGET_NR_sigpending
66fb9763
FB		 6057 case TARGET_NR_sigpending:
6058 {
6059 sigset_t set;
6060 ret = get_errno(sigpending(&set));
6061 if (!is_error(ret)) {
c227f099 6062 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6063 goto efault;
53a5960a 6064 host_to_target_old_sigset(p, &set);
c227f099 6065 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6066 }
6067 }
6068 break;
e5febef5 6069#endif
66fb9763
FB		 6070 case TARGET_NR_rt_sigpending:
6071 {
6072 sigset_t set;
6073 ret = get_errno(sigpending(&set));
6074 if (!is_error(ret)) {
c227f099 6075 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6076 goto efault;
53a5960a 6077 host_to_target_sigset(p, &set);
c227f099 6078 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6079 }
6080 }
6081 break;
e5febef5 6082#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 6083 case TARGET_NR_sigsuspend:
6084 {
6085 sigset_t set;
f43ce12b
RH		 6086#if defined(TARGET_ALPHA)
6087 abi_ulong mask = arg1;
6088 target_to_host_old_sigset(&set, &mask);
6089#else
c227f099 6090 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6091 goto efault;
53a5960a
PB		 6092 target_to_host_old_sigset(&set, p);
6093 unlock_user(p, arg1, 0);
f43ce12b 6094#endif
66fb9763
FB		 6095 ret = get_errno(sigsuspend(&set));
6096 }
6097 break;
e5febef5 6098#endif
66fb9763
FB		 6099 case TARGET_NR_rt_sigsuspend:
6100 {
6101 sigset_t set;
c227f099 6102 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6103 goto efault;
53a5960a
PB		 6104 target_to_host_sigset(&set, p);
6105 unlock_user(p, arg1, 0);
66fb9763
FB		 6106 ret = get_errno(sigsuspend(&set));
6107 }
6108 break;
6109 case TARGET_NR_rt_sigtimedwait:
6110 {
66fb9763
FB		 6111 sigset_t set;
6112 struct timespec uts, *puts;
6113 siginfo_t uinfo;
3b46e624 6114
c227f099 6115 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6116 goto efault;
53a5960a
PB		 6117 target_to_host_sigset(&set, p);
6118 unlock_user(p, arg1, 0);
6119 if (arg3) {
66fb9763 6120 puts = &uts;
53a5960a 6121 target_to_host_timespec(puts, arg3);
66fb9763
FB		 6122 } else {
6123 puts = NULL;
6124 }
6125 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 6126 if (!is_error(ret) && arg2) {
c227f099 6127 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 6128 goto efault;
53a5960a 6129 host_to_target_siginfo(p, &uinfo);
c227f099 6130 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 6131 }
6132 }
6133 break;
6134 case TARGET_NR_rt_sigqueueinfo:
6135 {
6136 siginfo_t uinfo;
c227f099 6137 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 6138 goto efault;
53a5960a
PB		 6139 target_to_host_siginfo(&uinfo, p);
6140 unlock_user(p, arg1, 0);
66fb9763
FB		 6141 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
6142 }
6143 break;
e5febef5 6144#ifdef TARGET_NR_sigreturn
66fb9763
FB		 6145 case TARGET_NR_sigreturn:
6146 /* NOTE: ret is eax, so not transcoding must be done */
6147 ret = do_sigreturn(cpu_env);
6148 break;
e5febef5 6149#endif
66fb9763
FB		 6150 case TARGET_NR_rt_sigreturn:
6151 /* NOTE: ret is eax, so not transcoding must be done */
6152 ret = do_rt_sigreturn(cpu_env);
6153 break;
31e31b8a 6154 case TARGET_NR_sethostname:
579a97f7
FB		 6155 if (!(p = lock_user_string(arg1)))
6156 goto efault;
53a5960a
PB		 6157 ret = get_errno(sethostname(p, arg2));
6158 unlock_user(p, arg1, 0);
31e31b8a
FB		 6159 break;
6160 case TARGET_NR_setrlimit:
9de5e440 6161 {
e22b7015 6162 int resource = target_to_host_resource(arg1);
53a5960a 6163 struct target_rlimit *target_rlim;
9de5e440 6164 struct rlimit rlim;
579a97f7
FB		 6165 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
6166 goto efault;
81bbe906
TY		 6167 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
6168 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 6169 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 6170 ret = get_errno(setrlimit(resource, &rlim));
6171 }
6172 break;
31e31b8a 6173 case TARGET_NR_getrlimit:
9de5e440 6174 {
e22b7015 6175 int resource = target_to_host_resource(arg1);
53a5960a 6176 struct target_rlimit *target_rlim;
9de5e440 6177 struct rlimit rlim;
3b46e624 6178
9de5e440
FB		 6179 ret = get_errno(getrlimit(resource, &rlim));
6180 if (!is_error(ret)) {
579a97f7
FB		 6181 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6182 goto efault;
81bbe906
TY		 6183 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6184 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 6185 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 6186 }
6187 }
6188 break;
31e31b8a 6189 case TARGET_NR_getrusage:
b409186b
FB		 6190 {
6191 struct rusage rusage;
b409186b
FB		 6192 ret = get_errno(getrusage(arg1, &rusage));
6193 if (!is_error(ret)) {
53a5960a 6194 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 6195 }
6196 }
6197 break;
31e31b8a
FB		 6198 case TARGET_NR_gettimeofday:
6199 {
31e31b8a
FB		 6200 struct timeval tv;
6201 ret = get_errno(gettimeofday(&tv, NULL));
6202 if (!is_error(ret)) {
788f5ec4
TS		 6203 if (copy_to_user_timeval(arg1, &tv))
6204 goto efault;
31e31b8a
FB		 6205 }
6206 }
6207 break;
6208 case TARGET_NR_settimeofday:
6209 {
31e31b8a 6210 struct timeval tv;
788f5ec4
TS		 6211 if (copy_from_user_timeval(&tv, arg1))
6212 goto efault;
31e31b8a
FB		 6213 ret = get_errno(settimeofday(&tv, NULL));
6214 }
6215 break;
a4c075f1 6216#if defined(TARGET_NR_select) && !defined(TARGET_S390X) && !defined(TARGET_S390)
31e31b8a 6217 case TARGET_NR_select:
f2674e31 6218 {
53a5960a 6219 struct target_sel_arg_struct *sel;
992f48a0 6220 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 6221 long nsel;
6222
579a97f7
FB		 6223 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
6224 goto efault;
cbb21eed
MB		 6225 nsel = tswapal(sel->n);
6226 inp = tswapal(sel->inp);
6227 outp = tswapal(sel->outp);
6228 exp = tswapal(sel->exp);
6229 tvp = tswapal(sel->tvp);
53a5960a
PB		 6230 unlock_user_struct(sel, arg1, 0);
6231 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 6232 }
6233 break;
9e42382f
RV		 6234#endif
6235#ifdef TARGET_NR_pselect6
6236 case TARGET_NR_pselect6:
055e0906
MF		 6237 {
6238 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
6239 fd_set rfds, wfds, efds;
6240 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
6241 struct timespec ts, *ts_ptr;
6242
6243 /*
6244 * The 6th arg is actually two args smashed together,
6245 * so we cannot use the C library.
6246 */
6247 sigset_t set;
6248 struct {
6249 sigset_t *set;
6250 size_t size;
6251 } sig, *sig_ptr;
6252
6253 abi_ulong arg_sigset, arg_sigsize, *arg7;
6254 target_sigset_t *target_sigset;
6255
6256 n = arg1;
6257 rfd_addr = arg2;
6258 wfd_addr = arg3;
6259 efd_addr = arg4;
6260 ts_addr = arg5;
6261
6262 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
6263 if (ret) {
6264 goto fail;
6265 }
6266 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
6267 if (ret) {
6268 goto fail;
6269 }
6270 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
6271 if (ret) {
6272 goto fail;
6273 }
6274
6275 /*
6276 * This takes a timespec, and not a timeval, so we cannot
6277 * use the do_select() helper ...
6278 */
6279 if (ts_addr) {
6280 if (target_to_host_timespec(&ts, ts_addr)) {
6281 goto efault;
6282 }
6283 ts_ptr = &ts;
6284 } else {
6285 ts_ptr = NULL;
6286 }
6287
6288 /* Extract the two packed args for the sigset */
6289 if (arg6) {
6290 sig_ptr = &sig;
6291 sig.size = _NSIG / 8;
6292
6293 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
6294 if (!arg7) {
6295 goto efault;
6296 }
cbb21eed
MB		 6297 arg_sigset = tswapal(arg7[0]);
6298 arg_sigsize = tswapal(arg7[1]);
055e0906
MF		 6299 unlock_user(arg7, arg6, 0);
6300
6301 if (arg_sigset) {
6302 sig.set = &set;
8f04eeb3
PM		 6303 if (arg_sigsize != sizeof(*target_sigset)) {
6304 /* Like the kernel, we enforce correct size sigsets */
6305 ret = -TARGET_EINVAL;
6306 goto fail;
6307 }
055e0906
MF		 6308 target_sigset = lock_user(VERIFY_READ, arg_sigset,
6309 sizeof(*target_sigset), 1);
6310 if (!target_sigset) {
6311 goto efault;
6312 }
6313 target_to_host_sigset(&set, target_sigset);
6314 unlock_user(target_sigset, arg_sigset, 0);
6315 } else {
6316 sig.set = NULL;
6317 }
6318 } else {
6319 sig_ptr = NULL;
6320 }
6321
6322 ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
6323 ts_ptr, sig_ptr));
6324
6325 if (!is_error(ret)) {
6326 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
6327 goto efault;
6328 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
6329 goto efault;
6330 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
6331 goto efault;
6332
6333 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
6334 goto efault;
6335 }
6336 }
6337 break;
048f6b4d 6338#endif
31e31b8a 6339 case TARGET_NR_symlink:
53a5960a
PB		 6340 {
6341 void *p2;
6342 p = lock_user_string(arg1);
6343 p2 = lock_user_string(arg2);
579a97f7
FB		 6344 if (!p || !p2)
6345 ret = -TARGET_EFAULT;
6346 else
6347 ret = get_errno(symlink(p, p2));
53a5960a
PB		 6348 unlock_user(p2, arg2, 0);
6349 unlock_user(p, arg1, 0);
6350 }
31e31b8a 6351 break;
f0b6243d
TS		 6352#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
6353 case TARGET_NR_symlinkat:
f0b6243d 6354 {
579a97f7 6355 void *p2;
f0b6243d
TS		 6356 p = lock_user_string(arg1);
6357 p2 = lock_user_string(arg3);
579a97f7 6358 if (!p || !p2)
0da46a6e 6359 ret = -TARGET_EFAULT;
f0b6243d
TS		 6360 else
6361 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 6362 unlock_user(p2, arg3, 0);
6363 unlock_user(p, arg1, 0);
f0b6243d
TS		 6364 }
6365 break;
6366#endif
ebc05488 6367#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 6368 case TARGET_NR_oldlstat:
6369 goto unimplemented;
ebc05488 6370#endif
31e31b8a 6371 case TARGET_NR_readlink:
53a5960a 6372 {
d088d664 6373 void *p2, *temp;
53a5960a 6374 p = lock_user_string(arg1);
579a97f7
FB		 6375 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
6376 if (!p || !p2)
6377 ret = -TARGET_EFAULT;
d088d664
AJ		 6378 else {
6379 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
6380 char real[PATH_MAX];
6381 temp = realpath(exec_path,real);
6382 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
6383 snprintf((char *)p2, arg3, "%s", real);
6384 }
6385 else
6386 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 6387 }
53a5960a
PB		 6388 unlock_user(p2, arg2, ret);
6389 unlock_user(p, arg1, 0);
6390 }
31e31b8a 6391 break;
5e0ccb18
TS		 6392#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
6393 case TARGET_NR_readlinkat:
5e0ccb18 6394 {
579a97f7 6395 void *p2;
5e0ccb18 6396 p = lock_user_string(arg2);
579a97f7
FB		 6397 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
6398 if (!p || !p2)
0da46a6e 6399 ret = -TARGET_EFAULT;
5e0ccb18
TS		 6400 else
6401 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 6402 unlock_user(p2, arg3, ret);
6403 unlock_user(p, arg2, 0);
5e0ccb18
TS		 6404 }
6405 break;
6406#endif
e5febef5 6407#ifdef TARGET_NR_uselib
31e31b8a
FB		 6408 case TARGET_NR_uselib:
6409 goto unimplemented;
e5febef5
TS		 6410#endif
6411#ifdef TARGET_NR_swapon
31e31b8a 6412 case TARGET_NR_swapon:
579a97f7
FB		 6413 if (!(p = lock_user_string(arg1)))
6414 goto efault;
53a5960a
PB		 6415 ret = get_errno(swapon(p, arg2));
6416 unlock_user(p, arg1, 0);
31e31b8a 6417 break;
e5febef5 6418#endif
31e31b8a 6419 case TARGET_NR_reboot:
0f6b4d21
AG		 6420 if (!(p = lock_user_string(arg4)))
6421 goto efault;
6422 ret = reboot(arg1, arg2, arg3, p);
6423 unlock_user(p, arg4, 0);
6424 break;
e5febef5 6425#ifdef TARGET_NR_readdir
31e31b8a
FB		 6426 case TARGET_NR_readdir:
6427 goto unimplemented;
e5febef5
TS		 6428#endif
6429#ifdef TARGET_NR_mmap
31e31b8a 6430 case TARGET_NR_mmap:
a4c075f1
UH		 6431#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || \
6432 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6433 || defined(TARGET_S390X)
31e31b8a 6434 {
992f48a0
BS		 6435 abi_ulong *v;
6436 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 6437 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
6438 goto efault;
cbb21eed
MB		 6439 v1 = tswapal(v[0]);
6440 v2 = tswapal(v[1]);
6441 v3 = tswapal(v[2]);
6442 v4 = tswapal(v[3]);
6443 v5 = tswapal(v[4]);
6444 v6 = tswapal(v[5]);
53a5960a 6445 unlock_user(v, arg1, 0);
5fafdf24 6446 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 6447 target_to_host_bitmask(v4, mmap_flags_tbl),
6448 v5, v6));
31e31b8a 6449 }
31e31b8a 6450#else
5fafdf24
TS		 6451 ret = get_errno(target_mmap(arg1, arg2, arg3,
6452 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 6453 arg5,
6454 arg6));
31e31b8a 6455#endif
6fb883e8 6456 break;
e5febef5 6457#endif
a315a145 6458#ifdef TARGET_NR_mmap2
6fb883e8 6459 case TARGET_NR_mmap2:
bb7ec043 6460#ifndef MMAP_SHIFT
c573ff67 6461#define MMAP_SHIFT 12
c573ff67 6462#endif
5fafdf24
TS		 6463 ret = get_errno(target_mmap(arg1, arg2, arg3,
6464 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 6465 arg5,
c573ff67 6466 arg6 << MMAP_SHIFT));
31e31b8a 6467 break;
a315a145 6468#endif
31e31b8a 6469 case TARGET_NR_munmap:
54936004 6470 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 6471 break;
9de5e440 6472 case TARGET_NR_mprotect:
97374d38 6473 {
9349b4f9 6474 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
97374d38
PB		 6475 /* Special hack to detect libc making the stack executable. */
6476 if ((arg3 & PROT_GROWSDOWN)
6477 && arg1 >= ts->info->stack_limit
6478 && arg1 <= ts->info->start_stack) {
6479 arg3 &= ~PROT_GROWSDOWN;
6480 arg2 = arg2 + arg1 - ts->info->stack_limit;
6481 arg1 = ts->info->stack_limit;
6482 }
6483 }
54936004 6484 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 6485 break;
e5febef5 6486#ifdef TARGET_NR_mremap
9de5e440 6487 case TARGET_NR_mremap:
54936004 6488 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 6489 break;
e5febef5 6490#endif
53a5960a 6491 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 6492#ifdef TARGET_NR_msync
9de5e440 6493 case TARGET_NR_msync:
53a5960a 6494 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 6495 break;
e5febef5
TS		 6496#endif
6497#ifdef TARGET_NR_mlock
9de5e440 6498 case TARGET_NR_mlock:
53a5960a 6499 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 6500 break;
e5febef5
TS		 6501#endif
6502#ifdef TARGET_NR_munlock
9de5e440 6503 case TARGET_NR_munlock:
53a5960a 6504 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 6505 break;
e5febef5
TS		 6506#endif
6507#ifdef TARGET_NR_mlockall
9de5e440
FB		 6508 case TARGET_NR_mlockall:
6509 ret = get_errno(mlockall(arg1));
6510 break;
e5febef5
TS		 6511#endif
6512#ifdef TARGET_NR_munlockall
9de5e440
FB		 6513 case TARGET_NR_munlockall:
6514 ret = get_errno(munlockall());
6515 break;
e5febef5 6516#endif
31e31b8a 6517 case TARGET_NR_truncate:
579a97f7
FB		 6518 if (!(p = lock_user_string(arg1)))
6519 goto efault;
53a5960a
PB		 6520 ret = get_errno(truncate(p, arg2));
6521 unlock_user(p, arg1, 0);
31e31b8a
FB		 6522 break;
6523 case TARGET_NR_ftruncate:
6524 ret = get_errno(ftruncate(arg1, arg2));
6525 break;
6526 case TARGET_NR_fchmod:
6527 ret = get_errno(fchmod(arg1, arg2));
6528 break;
814d7977
TS		 6529#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
6530 case TARGET_NR_fchmodat:
579a97f7
FB		 6531 if (!(p = lock_user_string(arg2)))
6532 goto efault;
465c9f06 6533 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 6534 unlock_user(p, arg2, 0);
814d7977
TS		 6535 break;
6536#endif
31e31b8a 6537 case TARGET_NR_getpriority:
95c09828
RH		 6538 /* Note that negative values are valid for getpriority, so we must
6539 differentiate based on errno settings. */
6540 errno = 0;
6541 ret = getpriority(arg1, arg2);
6542 if (ret == -1 && errno != 0) {
6543 ret = -host_to_target_errno(errno);
6544 break;
6545 }
6546#ifdef TARGET_ALPHA
6547 /* Return value is the unbiased priority. Signal no error. */
6548 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
6549#else
6550 /* Return value is a biased priority to avoid negative numbers. */
6551 ret = 20 - ret;
6552#endif
31e31b8a
FB		 6553 break;
6554 case TARGET_NR_setpriority:
6555 ret = get_errno(setpriority(arg1, arg2, arg3));
6556 break;
ebc05488 6557#ifdef TARGET_NR_profil
31e31b8a
FB		 6558 case TARGET_NR_profil:
6559 goto unimplemented;
ebc05488 6560#endif
31e31b8a 6561 case TARGET_NR_statfs:
579a97f7
FB		 6562 if (!(p = lock_user_string(arg1)))
6563 goto efault;
53a5960a
PB		 6564 ret = get_errno(statfs(path(p), &stfs));
6565 unlock_user(p, arg1, 0);
31e31b8a
FB		 6566 convert_statfs:
6567 if (!is_error(ret)) {
53a5960a 6568 struct target_statfs *target_stfs;
3b46e624 6569
579a97f7
FB		 6570 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
6571 goto efault;
6572 __put_user(stfs.f_type, &target_stfs->f_type);
6573 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6574 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6575 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6576 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6577 __put_user(stfs.f_files, &target_stfs->f_files);
6578 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6579 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6580 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6581 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 6582 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
6583 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
53a5960a 6584 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 6585 }
6586 break;
6587 case TARGET_NR_fstatfs:
56c8f68f 6588 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 6589 goto convert_statfs;
56c8f68f
FB		 6590#ifdef TARGET_NR_statfs64
6591 case TARGET_NR_statfs64:
579a97f7
FB		 6592 if (!(p = lock_user_string(arg1)))
6593 goto efault;
53a5960a
PB		 6594 ret = get_errno(statfs(path(p), &stfs));
6595 unlock_user(p, arg1, 0);
56c8f68f
FB		 6596 convert_statfs64:
6597 if (!is_error(ret)) {
53a5960a 6598 struct target_statfs64 *target_stfs;
3b46e624 6599
579a97f7
FB		 6600 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
6601 goto efault;
6602 __put_user(stfs.f_type, &target_stfs->f_type);
6603 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6604 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6605 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6606 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6607 __put_user(stfs.f_files, &target_stfs->f_files);
6608 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6609 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6610 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6611 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 6612 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
6613 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
579a97f7 6614 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 6615 }
6616 break;
6617 case TARGET_NR_fstatfs64:
6618 ret = get_errno(fstatfs(arg1, &stfs));
6619 goto convert_statfs64;
6620#endif
ebc05488 6621#ifdef TARGET_NR_ioperm
31e31b8a
FB		 6622 case TARGET_NR_ioperm:
6623 goto unimplemented;
ebc05488 6624#endif
e5febef5 6625#ifdef TARGET_NR_socketcall
31e31b8a 6626 case TARGET_NR_socketcall:
53a5960a 6627 ret = do_socketcall(arg1, arg2);
31e31b8a 6628 break;
e5febef5 6629#endif
3532fa74
FB		 6630#ifdef TARGET_NR_accept
6631 case TARGET_NR_accept:
1be9e1dc 6632 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 6633 break;
6634#endif
6635#ifdef TARGET_NR_bind
6636 case TARGET_NR_bind:
6637 ret = do_bind(arg1, arg2, arg3);
6638 break;
6639#endif
6640#ifdef TARGET_NR_connect
6641 case TARGET_NR_connect:
6642 ret = do_connect(arg1, arg2, arg3);
6643 break;
6644#endif
6645#ifdef TARGET_NR_getpeername
6646 case TARGET_NR_getpeername:
1be9e1dc 6647 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 6648 break;
6649#endif
6650#ifdef TARGET_NR_getsockname
6651 case TARGET_NR_getsockname:
1be9e1dc 6652 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 6653 break;
6654#endif
6655#ifdef TARGET_NR_getsockopt
6656 case TARGET_NR_getsockopt:
6657 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
6658 break;
6659#endif
6660#ifdef TARGET_NR_listen
6661 case TARGET_NR_listen:
1be9e1dc 6662 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 6663 break;
6664#endif
6665#ifdef TARGET_NR_recv
6666 case TARGET_NR_recv:
214201bd 6667 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6668 break;
6669#endif
6670#ifdef TARGET_NR_recvfrom
6671 case TARGET_NR_recvfrom:
214201bd 6672 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6673 break;
6674#endif
6675#ifdef TARGET_NR_recvmsg
6676 case TARGET_NR_recvmsg:
6677 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
6678 break;
6679#endif
6680#ifdef TARGET_NR_send
6681 case TARGET_NR_send:
1be9e1dc 6682 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6683 break;
6684#endif
6685#ifdef TARGET_NR_sendmsg
6686 case TARGET_NR_sendmsg:
6687 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
6688 break;
6689#endif
6690#ifdef TARGET_NR_sendto
6691 case TARGET_NR_sendto:
1be9e1dc 6692 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6693 break;
6694#endif
6695#ifdef TARGET_NR_shutdown
6696 case TARGET_NR_shutdown:
1be9e1dc 6697 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 6698 break;
6699#endif
6700#ifdef TARGET_NR_socket
6701 case TARGET_NR_socket:
6702 ret = do_socket(arg1, arg2, arg3);
6703 break;
6704#endif
6705#ifdef TARGET_NR_socketpair
6706 case TARGET_NR_socketpair:
1be9e1dc 6707 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 6708 break;
6709#endif
6710#ifdef TARGET_NR_setsockopt
6711 case TARGET_NR_setsockopt:
6712 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
6713 break;
6714#endif
7494b0f9 6715
31e31b8a 6716 case TARGET_NR_syslog:
579a97f7
FB		 6717 if (!(p = lock_user_string(arg2)))
6718 goto efault;
e5574487
TS		 6719 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
6720 unlock_user(p, arg2, 0);
7494b0f9
TS		 6721 break;
6722
31e31b8a 6723 case TARGET_NR_setitimer:
66fb9763 6724 {
66fb9763
FB		 6725 struct itimerval value, ovalue, *pvalue;
6726
53a5960a 6727 if (arg2) {
66fb9763 6728 pvalue = &value;
788f5ec4
TS		 6729 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
6730 || copy_from_user_timeval(&pvalue->it_value,
6731 arg2 + sizeof(struct target_timeval)))
6732 goto efault;
66fb9763
FB		 6733 } else {
6734 pvalue = NULL;
6735 }
6736 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 6737 if (!is_error(ret) && arg3) {
788f5ec4
TS		 6738 if (copy_to_user_timeval(arg3,
6739 &ovalue.it_interval)
6740 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
6741 &ovalue.it_value))
6742 goto efault;
66fb9763
FB		 6743 }
6744 }
6745 break;
31e31b8a 6746 case TARGET_NR_getitimer:
66fb9763 6747 {
66fb9763 6748 struct itimerval value;
3b46e624 6749
66fb9763 6750 ret = get_errno(getitimer(arg1, &value));
53a5960a 6751 if (!is_error(ret) && arg2) {
788f5ec4
TS		 6752 if (copy_to_user_timeval(arg2,
6753 &value.it_interval)
6754 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
6755 &value.it_value))
6756 goto efault;
66fb9763
FB		 6757 }
6758 }
6759 break;
31e31b8a 6760 case TARGET_NR_stat:
579a97f7
FB		 6761 if (!(p = lock_user_string(arg1)))
6762 goto efault;
53a5960a
PB		 6763 ret = get_errno(stat(path(p), &st));
6764 unlock_user(p, arg1, 0);
31e31b8a
FB		 6765 goto do_stat;
6766 case TARGET_NR_lstat:
579a97f7
FB		 6767 if (!(p = lock_user_string(arg1)))
6768 goto efault;
53a5960a
PB		 6769 ret = get_errno(lstat(path(p), &st));
6770 unlock_user(p, arg1, 0);
31e31b8a
FB		 6771 goto do_stat;
6772 case TARGET_NR_fstat:
6773 {
6774 ret = get_errno(fstat(arg1, &st));
6775 do_stat:
6776 if (!is_error(ret)) {
53a5960a 6777 struct target_stat *target_st;
e3584658 6778
579a97f7
FB		 6779 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
6780 goto efault;
12727917 6781 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 6782 __put_user(st.st_dev, &target_st->st_dev);
6783 __put_user(st.st_ino, &target_st->st_ino);
6784 __put_user(st.st_mode, &target_st->st_mode);
6785 __put_user(st.st_uid, &target_st->st_uid);
6786 __put_user(st.st_gid, &target_st->st_gid);
6787 __put_user(st.st_nlink, &target_st->st_nlink);
6788 __put_user(st.st_rdev, &target_st->st_rdev);
6789 __put_user(st.st_size, &target_st->st_size);
6790 __put_user(st.st_blksize, &target_st->st_blksize);
6791 __put_user(st.st_blocks, &target_st->st_blocks);
6792 __put_user(st.st_atime, &target_st->target_st_atime);
6793 __put_user(st.st_mtime, &target_st->target_st_mtime);
6794 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 6795 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 6796 }
6797 }
6798 break;
ebc05488 6799#ifdef TARGET_NR_olduname
31e31b8a
FB		 6800 case TARGET_NR_olduname:
6801 goto unimplemented;
ebc05488
FB		 6802#endif
6803#ifdef TARGET_NR_iopl
31e31b8a
FB		 6804 case TARGET_NR_iopl:
6805 goto unimplemented;
ebc05488 6806#endif
31e31b8a
FB		 6807 case TARGET_NR_vhangup:
6808 ret = get_errno(vhangup());
6809 break;
ebc05488 6810#ifdef TARGET_NR_idle
31e31b8a
FB		 6811 case TARGET_NR_idle:
6812 goto unimplemented;
42ad6ae9
FB		 6813#endif
6814#ifdef TARGET_NR_syscall
6815 case TARGET_NR_syscall:
5945cfcb
PM		 6816 ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
6817 arg6, arg7, arg8, 0);
6818 break;
ebc05488 6819#endif
31e31b8a
FB		 6820 case TARGET_NR_wait4:
6821 {
6822 int status;
992f48a0 6823 abi_long status_ptr = arg2;
31e31b8a 6824 struct rusage rusage, *rusage_ptr;
992f48a0 6825 abi_ulong target_rusage = arg4;
31e31b8a
FB		 6826 if (target_rusage)
6827 rusage_ptr = &rusage;
6828 else
6829 rusage_ptr = NULL;
6830 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
6831 if (!is_error(ret)) {
5379557b 6832 if (status_ptr && ret) {
1d9d8b55 6833 status = host_to_target_waitstatus(status);
2f619698
FB		 6834 if (put_user_s32(status, status_ptr))
6835 goto efault;
31e31b8a 6836 }
2f619698
FB		 6837 if (target_rusage)
6838 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 6839 }
6840 }
6841 break;
e5febef5 6842#ifdef TARGET_NR_swapoff
31e31b8a 6843 case TARGET_NR_swapoff:
579a97f7
FB		 6844 if (!(p = lock_user_string(arg1)))
6845 goto efault;
53a5960a
PB		 6846 ret = get_errno(swapoff(p));
6847 unlock_user(p, arg1, 0);
31e31b8a 6848 break;
e5febef5 6849#endif
31e31b8a 6850 case TARGET_NR_sysinfo:
a5448a7d 6851 {
53a5960a 6852 struct target_sysinfo *target_value;
a5448a7d
FB		 6853 struct sysinfo value;
6854 ret = get_errno(sysinfo(&value));
53a5960a 6855 if (!is_error(ret) && arg1)
a5448a7d 6856 {
579a97f7
FB		 6857 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
6858 goto efault;
a5448a7d
FB		 6859 __put_user(value.uptime, &target_value->uptime);
6860 __put_user(value.loads[0], &target_value->loads[0]);
6861 __put_user(value.loads[1], &target_value->loads[1]);
6862 __put_user(value.loads[2], &target_value->loads[2]);
6863 __put_user(value.totalram, &target_value->totalram);
6864 __put_user(value.freeram, &target_value->freeram);
6865 __put_user(value.sharedram, &target_value->sharedram);
6866 __put_user(value.bufferram, &target_value->bufferram);
6867 __put_user(value.totalswap, &target_value->totalswap);
6868 __put_user(value.freeswap, &target_value->freeswap);
6869 __put_user(value.procs, &target_value->procs);
6870 __put_user(value.totalhigh, &target_value->totalhigh);
6871 __put_user(value.freehigh, &target_value->freehigh);
6872 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 6873 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 6874 }
6875 }
6876 break;
e5febef5 6877#ifdef TARGET_NR_ipc
31e31b8a 6878 case TARGET_NR_ipc:
8853f86e
FB		 6879 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
6880 break;
e5febef5 6881#endif
e5289087
AJ		 6882#ifdef TARGET_NR_semget
6883 case TARGET_NR_semget:
6884 ret = get_errno(semget(arg1, arg2, arg3));
6885 break;
6886#endif
6887#ifdef TARGET_NR_semop
6888 case TARGET_NR_semop:
6889 ret = get_errno(do_semop(arg1, arg2, arg3));
6890 break;
6891#endif
6892#ifdef TARGET_NR_semctl
6893 case TARGET_NR_semctl:
6894 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
6895 break;
6896#endif
eeb438c1
AJ		 6897#ifdef TARGET_NR_msgctl
6898 case TARGET_NR_msgctl:
6899 ret = do_msgctl(arg1, arg2, arg3);
6900 break;
6901#endif
6902#ifdef TARGET_NR_msgget
6903 case TARGET_NR_msgget:
6904 ret = get_errno(msgget(arg1, arg2));
6905 break;
6906#endif
6907#ifdef TARGET_NR_msgrcv
6908 case TARGET_NR_msgrcv:
6909 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
6910 break;
6911#endif
6912#ifdef TARGET_NR_msgsnd
6913 case TARGET_NR_msgsnd:
6914 ret = do_msgsnd(arg1, arg2, arg3, arg4);
6915 break;
88a8c984
RV		 6916#endif
6917#ifdef TARGET_NR_shmget
6918 case TARGET_NR_shmget:
6919 ret = get_errno(shmget(arg1, arg2, arg3));
6920 break;
6921#endif
6922#ifdef TARGET_NR_shmctl
6923 case TARGET_NR_shmctl:
6924 ret = do_shmctl(arg1, arg2, arg3);
6925 break;
6926#endif
6927#ifdef TARGET_NR_shmat
6928 case TARGET_NR_shmat:
6929 ret = do_shmat(arg1, arg2, arg3);
6930 break;
6931#endif
6932#ifdef TARGET_NR_shmdt
6933 case TARGET_NR_shmdt:
6934 ret = do_shmdt(arg1);
6935 break;
eeb438c1 6936#endif
31e31b8a
FB		 6937 case TARGET_NR_fsync:
6938 ret = get_errno(fsync(arg1));
6939 break;
31e31b8a 6940 case TARGET_NR_clone:
a4b388ff 6941#if defined(TARGET_SH4) || defined(TARGET_ALPHA)
0b6d3ae0 6942 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 6943#elif defined(TARGET_CRIS)
6944 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
a5b3bdcb
EI		 6945#elif defined(TARGET_MICROBLAZE)
6946 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
a4c075f1
UH		 6947#elif defined(TARGET_S390X)
6948 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
0b6d3ae0 6949#else
d865bab5 6950 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 6951#endif
1b6b029e 6952 break;
ec86b0fb
FB		 6953#ifdef __NR_exit_group
6954 /* new thread calls */
6955 case TARGET_NR_exit_group:
9788c9ca 6956#ifdef TARGET_GPROF
6d946cda
AJ		 6957 _mcleanup();
6958#endif
e9009676 6959 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 6960 ret = get_errno(exit_group(arg1));
6961 break;
6962#endif
31e31b8a 6963 case TARGET_NR_setdomainname:
579a97f7
FB		 6964 if (!(p = lock_user_string(arg1)))
6965 goto efault;
53a5960a
PB		 6966 ret = get_errno(setdomainname(p, arg2));
6967 unlock_user(p, arg1, 0);
31e31b8a
FB		 6968 break;
6969 case TARGET_NR_uname:
6970 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 6971 {
6972 struct new_utsname * buf;
3b46e624 6973
579a97f7
FB		 6974 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
6975 goto efault;
29e619b1
FB		 6976 ret = get_errno(sys_uname(buf));
6977 if (!is_error(ret)) {
6978 /* Overrite the native machine name with whatever is being
6979 emulated. */
da79030f 6980 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 6981 /* Allow the user to override the reported release. */
6982 if (qemu_uname_release && *qemu_uname_release)
6983 strcpy (buf->release, qemu_uname_release);
29e619b1 6984 }
53a5960a 6985 unlock_user_struct(buf, arg1, 1);
29e619b1 6986 }
31e31b8a 6987 break;
6dbad63e 6988#ifdef TARGET_I386
31e31b8a 6989 case TARGET_NR_modify_ldt:
03acab66 6990 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 6991 break;
84409ddb 6992#if !defined(TARGET_X86_64)
5cd4393b
FB		 6993 case TARGET_NR_vm86old:
6994 goto unimplemented;
6995 case TARGET_NR_vm86:
53a5960a 6996 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 6997 break;
84409ddb 6998#endif
6dbad63e 6999#endif
31e31b8a
FB		 7000 case TARGET_NR_adjtimex:
7001 goto unimplemented;
e5febef5 7002#ifdef TARGET_NR_create_module
31e31b8a 7003 case TARGET_NR_create_module:
e5febef5 7004#endif
31e31b8a
FB		 7005 case TARGET_NR_init_module:
7006 case TARGET_NR_delete_module:
e5febef5 7007#ifdef TARGET_NR_get_kernel_syms
31e31b8a 7008 case TARGET_NR_get_kernel_syms:
e5febef5 7009#endif
31e31b8a
FB		 7010 goto unimplemented;
7011 case TARGET_NR_quotactl:
7012 goto unimplemented;
7013 case TARGET_NR_getpgid:
7014 ret = get_errno(getpgid(arg1));
7015 break;
7016 case TARGET_NR_fchdir:
7017 ret = get_errno(fchdir(arg1));
7018 break;
84409ddb 7019#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 7020 case TARGET_NR_bdflush:
7021 goto unimplemented;
84409ddb 7022#endif
e5febef5 7023#ifdef TARGET_NR_sysfs
31e31b8a
FB		 7024 case TARGET_NR_sysfs:
7025 goto unimplemented;
e5febef5 7026#endif
31e31b8a 7027 case TARGET_NR_personality:
1b6b029e 7028 ret = get_errno(personality(arg1));
31e31b8a 7029 break;
e5febef5 7030#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 7031 case TARGET_NR_afs_syscall:
7032 goto unimplemented;
e5febef5 7033#endif
7a3148a9 7034#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 7035 case TARGET_NR__llseek:
7036 {
0c1592d9 7037 int64_t res;
d35b261c 7038#if !defined(__NR_llseek)
0c1592d9
PM		 7039 res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
7040 if (res == -1) {
7041 ret = get_errno(res);
7042 } else {
7043 ret = 0;
7044 }
4f2ac237 7045#else
31e31b8a 7046 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4f2ac237 7047#endif
0c1592d9
PM		 7048 if ((ret == 0) && put_user_s64(res, arg4)) {
7049 goto efault;
7050 }
31e31b8a
FB		 7051 }
7052 break;
7a3148a9 7053#endif
31e31b8a 7054 case TARGET_NR_getdents:
d83c8733 7055#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 7056 {
53a5960a 7057 struct target_dirent *target_dirp;
6556a833 7058 struct linux_dirent *dirp;
992f48a0 7059 abi_long count = arg3;
4add45b4
FB		 7060
7061 dirp = malloc(count);
0da46a6e 7062 if (!dirp) {
579a97f7 7063 ret = -TARGET_ENOMEM;
0da46a6e
TS		 7064 goto fail;
7065 }
3b46e624 7066
4add45b4
FB		 7067 ret = get_errno(sys_getdents(arg1, dirp, count));
7068 if (!is_error(ret)) {
6556a833 7069 struct linux_dirent *de;
4add45b4
FB		 7070 struct target_dirent *tde;
7071 int len = ret;
7072 int reclen, treclen;
7073 int count1, tnamelen;
7074
7075 count1 = 0;
7076 de = dirp;
579a97f7
FB		 7077 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7078 goto efault;
4add45b4
FB		 7079 tde = target_dirp;
7080 while (len > 0) {
7081 reclen = de->d_reclen;
333858b7
DL		 7082 tnamelen = reclen - offsetof(struct linux_dirent, d_name);
7083 assert(tnamelen >= 0);
7084 treclen = tnamelen + offsetof(struct target_dirent, d_name);
7085 assert(count1 + treclen <= count);
4add45b4 7086 tde->d_reclen = tswap16(treclen);
cbb21eed
MB		 7087 tde->d_ino = tswapal(de->d_ino);
7088 tde->d_off = tswapal(de->d_off);
333858b7 7089 memcpy(tde->d_name, de->d_name, tnamelen);
6556a833 7090 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 7091 len -= reclen;
1c5bf3bf 7092 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 7093 count1 += treclen;
7094 }
7095 ret = count1;
579a97f7 7096 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 7097 }
7098 free(dirp);
7099 }
7100#else
31e31b8a 7101 {
6556a833 7102 struct linux_dirent *dirp;
992f48a0 7103 abi_long count = arg3;
dab2ed99 7104
579a97f7
FB		 7105 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7106 goto efault;
72f03900 7107 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 7108 if (!is_error(ret)) {
6556a833 7109 struct linux_dirent *de;
31e31b8a
FB		 7110 int len = ret;
7111 int reclen;
7112 de = dirp;
7113 while (len > 0) {
8083a3e5 7114 reclen = de->d_reclen;
31e31b8a
FB		 7115 if (reclen > len)
7116 break;
8083a3e5 7117 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 7118 tswapls(&de->d_ino);
7119 tswapls(&de->d_off);
6556a833 7120 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 7121 len -= reclen;
7122 }
7123 }
53a5960a 7124 unlock_user(dirp, arg2, ret);
31e31b8a 7125 }
4add45b4 7126#endif
31e31b8a 7127 break;
3ae43202 7128#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 7129 case TARGET_NR_getdents64:
7130 {
6556a833 7131 struct linux_dirent64 *dirp;
992f48a0 7132 abi_long count = arg3;
579a97f7
FB		 7133 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7134 goto efault;
dab2ed99
FB		 7135 ret = get_errno(sys_getdents64(arg1, dirp, count));
7136 if (!is_error(ret)) {
6556a833 7137 struct linux_dirent64 *de;
dab2ed99
FB		 7138 int len = ret;
7139 int reclen;
7140 de = dirp;
7141 while (len > 0) {
8083a3e5 7142 reclen = de->d_reclen;
dab2ed99
FB		 7143 if (reclen > len)
7144 break;
8083a3e5 7145 de->d_reclen = tswap16(reclen);
8582a53a
FB		 7146 tswap64s((uint64_t *)&de->d_ino);
7147 tswap64s((uint64_t *)&de->d_off);
6556a833 7148 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 7149 len -= reclen;
7150 }
7151 }
53a5960a 7152 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 7153 }
7154 break;
a541f297 7155#endif /* TARGET_NR_getdents64 */
a4c075f1
UH		 7156#if defined(TARGET_NR__newselect) || defined(TARGET_S390X)
7157#ifdef TARGET_S390X
7158 case TARGET_NR_select:
7159#else
31e31b8a 7160 case TARGET_NR__newselect:
a4c075f1 7161#endif
53a5960a 7162 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 7163 break;
e5febef5 7164#endif
d8035d4c
MF		 7165#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
7166# ifdef TARGET_NR_poll
9de5e440 7167 case TARGET_NR_poll:
d8035d4c
MF		 7168# endif
7169# ifdef TARGET_NR_ppoll
7170 case TARGET_NR_ppoll:
7171# endif
9de5e440 7172 {
53a5960a 7173 struct target_pollfd *target_pfd;
9de5e440
FB		 7174 unsigned int nfds = arg2;
7175 int timeout = arg3;
7176 struct pollfd *pfd;
7854b056 7177 unsigned int i;
9de5e440 7178
579a97f7
FB		 7179 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
7180 if (!target_pfd)
7181 goto efault;
d8035d4c 7182
9de5e440
FB		 7183 pfd = alloca(sizeof(struct pollfd) * nfds);
7184 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 7185 pfd[i].fd = tswap32(target_pfd[i].fd);
7186 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440 7187 }
d8035d4c
MF		 7188
7189# ifdef TARGET_NR_ppoll
7190 if (num == TARGET_NR_ppoll) {
7191 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
7192 target_sigset_t *target_set;
7193 sigset_t _set, *set = &_set;
7194
7195 if (arg3) {
7196 if (target_to_host_timespec(timeout_ts, arg3)) {
7197 unlock_user(target_pfd, arg1, 0);
7198 goto efault;
7199 }
7200 } else {
7201 timeout_ts = NULL;
7202 }
7203
7204 if (arg4) {
7205 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
7206 if (!target_set) {
7207 unlock_user(target_pfd, arg1, 0);
7208 goto efault;
7209 }
7210 target_to_host_sigset(set, target_set);
7211 } else {
7212 set = NULL;
7213 }
7214
7215 ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
7216
7217 if (!is_error(ret) && arg3) {
7218 host_to_target_timespec(arg3, timeout_ts);
7219 }
7220 if (arg4) {
7221 unlock_user(target_set, arg4, 0);
7222 }
7223 } else
7224# endif
7225 ret = get_errno(poll(pfd, nfds, timeout));
7226
9de5e440
FB		 7227 if (!is_error(ret)) {
7228 for(i = 0; i < nfds; i++) {
5cd4393b 7229 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 7230 }
7231 }
30cb4cde 7232 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9de5e440
FB		 7233 }
7234 break;
e5febef5 7235#endif
31e31b8a 7236 case TARGET_NR_flock:
9de5e440
FB		 7237 /* NOTE: the flock constant seems to be the same for every
7238 Linux platform */
7239 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 7240 break;
7241 case TARGET_NR_readv:
7242 {
f287b2c2
RH		 7243 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
7244 if (vec != NULL) {
7245 ret = get_errno(readv(arg1, vec, arg3));
7246 unlock_iovec(vec, arg2, arg3, 1);
7247 } else {
7248 ret = -host_to_target_errno(errno);
7249 }
31e31b8a
FB		 7250 }
7251 break;
7252 case TARGET_NR_writev:
7253 {
f287b2c2
RH		 7254 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
7255 if (vec != NULL) {
7256 ret = get_errno(writev(arg1, vec, arg3));
7257 unlock_iovec(vec, arg2, arg3, 0);
7258 } else {
7259 ret = -host_to_target_errno(errno);
7260 }
31e31b8a
FB		 7261 }
7262 break;
7263 case TARGET_NR_getsid:
7264 ret = get_errno(getsid(arg1));
7265 break;
7a3148a9 7266#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 7267 case TARGET_NR_fdatasync:
5cd4393b
FB		 7268 ret = get_errno(fdatasync(arg1));
7269 break;
7a3148a9 7270#endif
31e31b8a 7271 case TARGET_NR__sysctl:
0da46a6e 7272 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 7273 return value. */
0da46a6e
TS		 7274 ret = -TARGET_ENOTDIR;
7275 break;
737de1d1
MF		 7276 case TARGET_NR_sched_getaffinity:
7277 {
7278 unsigned int mask_size;
7279 unsigned long *mask;
7280
7281 /*
7282 * sched_getaffinity needs multiples of ulong, so need to take
7283 * care of mismatches between target ulong and host ulong sizes.
7284 */
7285 if (arg2 & (sizeof(abi_ulong) - 1)) {
7286 ret = -TARGET_EINVAL;
7287 break;
7288 }
7289 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7290
7291 mask = alloca(mask_size);
7292 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
7293
7294 if (!is_error(ret)) {
cd18f05e 7295 if (copy_to_user(arg3, mask, ret)) {
737de1d1
MF		 7296 goto efault;
7297 }
737de1d1
MF		 7298 }
7299 }
7300 break;
7301 case TARGET_NR_sched_setaffinity:
7302 {
7303 unsigned int mask_size;
7304 unsigned long *mask;
7305
7306 /*
7307 * sched_setaffinity needs multiples of ulong, so need to take
7308 * care of mismatches between target ulong and host ulong sizes.
7309 */
7310 if (arg2 & (sizeof(abi_ulong) - 1)) {
7311 ret = -TARGET_EINVAL;
7312 break;
7313 }
7314 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7315
7316 mask = alloca(mask_size);
7317 if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
7318 goto efault;
7319 }
7320 memcpy(mask, p, arg2);
7321 unlock_user_struct(p, arg2, 0);
7322
7323 ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
7324 }
7325 break;
31e31b8a 7326 case TARGET_NR_sched_setparam:
5cd4393b 7327 {
53a5960a 7328 struct sched_param *target_schp;
5cd4393b 7329 struct sched_param schp;
53a5960a 7330
579a97f7
FB		 7331 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
7332 goto efault;
5cd4393b 7333 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7334 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 7335 ret = get_errno(sched_setparam(arg1, &schp));
7336 }
7337 break;
31e31b8a 7338 case TARGET_NR_sched_getparam:
5cd4393b 7339 {
53a5960a 7340 struct sched_param *target_schp;
5cd4393b
FB		 7341 struct sched_param schp;
7342 ret = get_errno(sched_getparam(arg1, &schp));
7343 if (!is_error(ret)) {
579a97f7
FB		 7344 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
7345 goto efault;
5cd4393b 7346 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 7347 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 7348 }
7349 }
7350 break;
31e31b8a 7351 case TARGET_NR_sched_setscheduler:
5cd4393b 7352 {
53a5960a 7353 struct sched_param *target_schp;
5cd4393b 7354 struct sched_param schp;
579a97f7
FB		 7355 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
7356 goto efault;
5cd4393b 7357 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7358 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 7359 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
7360 }
7361 break;
31e31b8a 7362 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 7363 ret = get_errno(sched_getscheduler(arg1));
7364 break;
31e31b8a
FB		 7365 case TARGET_NR_sched_yield:
7366 ret = get_errno(sched_yield());
7367 break;
7368 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 7369 ret = get_errno(sched_get_priority_max(arg1));
7370 break;
31e31b8a 7371 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 7372 ret = get_errno(sched_get_priority_min(arg1));
7373 break;
31e31b8a 7374 case TARGET_NR_sched_rr_get_interval:
5cd4393b 7375 {
5cd4393b
FB		 7376 struct timespec ts;
7377 ret = get_errno(sched_rr_get_interval(arg1, &ts));
7378 if (!is_error(ret)) {
53a5960a 7379 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 7380 }
7381 }
7382 break;
31e31b8a 7383 case TARGET_NR_nanosleep:
1b6b029e 7384 {
1b6b029e 7385 struct timespec req, rem;
53a5960a 7386 target_to_host_timespec(&req, arg1);
1b6b029e 7387 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 7388 if (is_error(ret) && arg2) {
7389 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 7390 }
7391 }
7392 break;
e5febef5 7393#ifdef TARGET_NR_query_module
31e31b8a 7394 case TARGET_NR_query_module:
5cd4393b 7395 goto unimplemented;
e5febef5
TS		 7396#endif
7397#ifdef TARGET_NR_nfsservctl
31e31b8a 7398 case TARGET_NR_nfsservctl:
5cd4393b 7399 goto unimplemented;
e5febef5 7400#endif
31e31b8a 7401 case TARGET_NR_prctl:
1e6722f8
PM		 7402 switch (arg1) {
7403 case PR_GET_PDEATHSIG:
7404 {
7405 int deathsig;
7406 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
7407 if (!is_error(ret) && arg2
7408 && put_user_ual(deathsig, arg2)) {
7409 goto efault;
e5574487 7410 }
1e6722f8
PM		 7411 break;
7412 }
db9526b1
PM		 7413#ifdef PR_GET_NAME
7414 case PR_GET_NAME:
7415 {
7416 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
7417 if (!name) {
7418 goto efault;
7419 }
7420 ret = get_errno(prctl(arg1, (unsigned long)name,
7421 arg3, arg4, arg5));
7422 unlock_user(name, arg2, 16);
7423 break;
7424 }
7425 case PR_SET_NAME:
7426 {
7427 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
7428 if (!name) {
7429 goto efault;
7430 }
7431 ret = get_errno(prctl(arg1, (unsigned long)name,
7432 arg3, arg4, arg5));
7433 unlock_user(name, arg2, 0);
7434 break;
7435 }
7436#endif
1e6722f8
PM		 7437 default:
7438 /* Most prctl options have no pointer arguments */
7439 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
7440 break;
7441 }
39b9aae1 7442 break;
d2fd1af7
FB		 7443#ifdef TARGET_NR_arch_prctl
7444 case TARGET_NR_arch_prctl:
7445#if defined(TARGET_I386) && !defined(TARGET_ABI32)
7446 ret = do_arch_prctl(cpu_env, arg1, arg2);
7447 break;
7448#else
7449 goto unimplemented;
7450#endif
7451#endif
f2c7ba15
AJ		 7452#ifdef TARGET_NR_pread64
7453 case TARGET_NR_pread64:
ae017a5b
AG		 7454 if (regpairs_aligned(cpu_env)) {
7455 arg4 = arg5;
7456 arg5 = arg6;
7457 }
f2c7ba15
AJ		 7458 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7459 goto efault;
7460 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
7461 unlock_user(p, arg2, ret);
7462 break;
7463 case TARGET_NR_pwrite64:
ae017a5b
AG		 7464 if (regpairs_aligned(cpu_env)) {
7465 arg4 = arg5;
7466 arg5 = arg6;
7467 }
f2c7ba15
AJ		 7468 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7469 goto efault;
7470 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
7471 unlock_user(p, arg2, 0);
7472 break;
67867308 7473#endif
31e31b8a 7474 case TARGET_NR_getcwd:
579a97f7
FB		 7475 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
7476 goto efault;
53a5960a
PB		 7477 ret = get_errno(sys_getcwd1(p, arg2));
7478 unlock_user(p, arg1, ret);
31e31b8a
FB		 7479 break;
7480 case TARGET_NR_capget:
5cd4393b 7481 goto unimplemented;
31e31b8a 7482 case TARGET_NR_capset:
5cd4393b 7483 goto unimplemented;
31e31b8a 7484 case TARGET_NR_sigaltstack:
198a74de 7485#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154 7486 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
d962783e 7487 defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC)
9349b4f9 7488 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env));
a04e134a
TS		 7489 break;
7490#else
5cd4393b 7491 goto unimplemented;
a04e134a 7492#endif
31e31b8a 7493 case TARGET_NR_sendfile:
5cd4393b 7494 goto unimplemented;
ebc05488 7495#ifdef TARGET_NR_getpmsg
31e31b8a 7496 case TARGET_NR_getpmsg:
5cd4393b 7497 goto unimplemented;
ebc05488
FB		 7498#endif
7499#ifdef TARGET_NR_putpmsg
31e31b8a 7500 case TARGET_NR_putpmsg:
5cd4393b 7501 goto unimplemented;
ebc05488 7502#endif
048f6b4d 7503#ifdef TARGET_NR_vfork
31e31b8a 7504 case TARGET_NR_vfork:
d865bab5
PB		 7505 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
7506 0, 0, 0, 0));
31e31b8a 7507 break;
048f6b4d 7508#endif
ebc05488 7509#ifdef TARGET_NR_ugetrlimit
31e31b8a 7510 case TARGET_NR_ugetrlimit:
728584be
FB		 7511 {
7512 struct rlimit rlim;
e22b7015
WT		 7513 int resource = target_to_host_resource(arg1);
7514 ret = get_errno(getrlimit(resource, &rlim));
728584be 7515 if (!is_error(ret)) {
53a5960a 7516 struct target_rlimit *target_rlim;
579a97f7
FB		 7517 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
7518 goto efault;
81bbe906
TY		 7519 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
7520 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 7521 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 7522 }
7523 break;
7524 }
ebc05488 7525#endif
a315a145 7526#ifdef TARGET_NR_truncate64
31e31b8a 7527 case TARGET_NR_truncate64:
579a97f7
FB		 7528 if (!(p = lock_user_string(arg1)))
7529 goto efault;
53a5960a
PB		 7530 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
7531 unlock_user(p, arg1, 0);
667f38b1 7532 break;
a315a145
FB		 7533#endif
7534#ifdef TARGET_NR_ftruncate64
31e31b8a 7535 case TARGET_NR_ftruncate64:
ce4defa0 7536 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 7537 break;
a315a145
FB		 7538#endif
7539#ifdef TARGET_NR_stat64
31e31b8a 7540 case TARGET_NR_stat64:
579a97f7
FB		 7541 if (!(p = lock_user_string(arg1)))
7542 goto efault;
53a5960a
PB		 7543 ret = get_errno(stat(path(p), &st));
7544 unlock_user(p, arg1, 0);
6a24a778
AZ		 7545 if (!is_error(ret))
7546 ret = host_to_target_stat64(cpu_env, arg2, &st);
7547 break;
a315a145
FB		 7548#endif
7549#ifdef TARGET_NR_lstat64
31e31b8a 7550 case TARGET_NR_lstat64:
579a97f7
FB		 7551 if (!(p = lock_user_string(arg1)))
7552 goto efault;
53a5960a
PB		 7553 ret = get_errno(lstat(path(p), &st));
7554 unlock_user(p, arg1, 0);
6a24a778
AZ		 7555 if (!is_error(ret))
7556 ret = host_to_target_stat64(cpu_env, arg2, &st);
7557 break;
a315a145
FB		 7558#endif
7559#ifdef TARGET_NR_fstat64
31e31b8a 7560 case TARGET_NR_fstat64:
6a24a778
AZ		 7561 ret = get_errno(fstat(arg1, &st));
7562 if (!is_error(ret))
7563 ret = host_to_target_stat64(cpu_env, arg2, &st);
7564 break;
ce4defa0 7565#endif
9d33b76b
AJ		 7566#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
7567 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
7568#ifdef TARGET_NR_fstatat64
6a24a778 7569 case TARGET_NR_fstatat64:
9d33b76b
AJ		 7570#endif
7571#ifdef TARGET_NR_newfstatat
7572 case TARGET_NR_newfstatat:
7573#endif
6a24a778
AZ		 7574 if (!(p = lock_user_string(arg2)))
7575 goto efault;
9d33b76b 7576#ifdef __NR_fstatat64
6a24a778 7577 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 7578#else
7579 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
7580#endif
6a24a778
AZ		 7581 if (!is_error(ret))
7582 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 7583 break;
a315a145 7584#endif
67867308 7585 case TARGET_NR_lchown:
579a97f7
FB		 7586 if (!(p = lock_user_string(arg1)))
7587 goto efault;
53a5960a
PB		 7588 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
7589 unlock_user(p, arg1, 0);
67867308 7590 break;
0c866a7e 7591#ifdef TARGET_NR_getuid
67867308
FB		 7592 case TARGET_NR_getuid:
7593 ret = get_errno(high2lowuid(getuid()));
7594 break;
0c866a7e
RV		 7595#endif
7596#ifdef TARGET_NR_getgid
67867308
FB		 7597 case TARGET_NR_getgid:
7598 ret = get_errno(high2lowgid(getgid()));
7599 break;
0c866a7e
RV		 7600#endif
7601#ifdef TARGET_NR_geteuid
67867308
FB		 7602 case TARGET_NR_geteuid:
7603 ret = get_errno(high2lowuid(geteuid()));
7604 break;
0c866a7e
RV		 7605#endif
7606#ifdef TARGET_NR_getegid
67867308
FB		 7607 case TARGET_NR_getegid:
7608 ret = get_errno(high2lowgid(getegid()));
7609 break;
0c866a7e 7610#endif
67867308
FB		 7611 case TARGET_NR_setreuid:
7612 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
7613 break;
7614 case TARGET_NR_setregid:
7615 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
7616 break;
7617 case TARGET_NR_getgroups:
7618 {
7619 int gidsetsize = arg1;
0c866a7e 7620 target_id *target_grouplist;
67867308
FB		 7621 gid_t *grouplist;
7622 int i;
7623
7624 grouplist = alloca(gidsetsize * sizeof(gid_t));
7625 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7626 if (gidsetsize == 0)
7627 break;
67867308 7628 if (!is_error(ret)) {
579a97f7
FB		 7629 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
7630 if (!target_grouplist)
7631 goto efault;
a2155fcc 7632 for(i = 0;i < ret; i++)
0c866a7e 7633 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
53a5960a 7634 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 7635 }
7636 }
7637 break;
7638 case TARGET_NR_setgroups:
7639 {
7640 int gidsetsize = arg1;
0c866a7e 7641 target_id *target_grouplist;
67867308
FB		 7642 gid_t *grouplist;
7643 int i;
7644
7645 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 7646 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
7647 if (!target_grouplist) {
7648 ret = -TARGET_EFAULT;
7649 goto fail;
7650 }
67867308 7651 for(i = 0;i < gidsetsize; i++)
0c866a7e 7652 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
53a5960a 7653 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 7654 ret = get_errno(setgroups(gidsetsize, grouplist));
7655 }
7656 break;
7657 case TARGET_NR_fchown:
7658 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
7659 break;
ccfa72b7
TS		 7660#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
7661 case TARGET_NR_fchownat:
579a97f7
FB		 7662 if (!(p = lock_user_string(arg2)))
7663 goto efault;
7664 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
7665 unlock_user(p, arg2, 0);
ccfa72b7
TS		 7666 break;
7667#endif
67867308
FB		 7668#ifdef TARGET_NR_setresuid
7669 case TARGET_NR_setresuid:
5fafdf24
TS		 7670 ret = get_errno(setresuid(low2highuid(arg1),
7671 low2highuid(arg2),
67867308
FB		 7672 low2highuid(arg3)));
7673 break;
7674#endif
7675#ifdef TARGET_NR_getresuid
7676 case TARGET_NR_getresuid:
7677 {
53a5960a 7678 uid_t ruid, euid, suid;
67867308
FB		 7679 ret = get_errno(getresuid(&ruid, &euid, &suid));
7680 if (!is_error(ret)) {
2f619698
FB		 7681 if (put_user_u16(high2lowuid(ruid), arg1)
7682 || put_user_u16(high2lowuid(euid), arg2)
7683 || put_user_u16(high2lowuid(suid), arg3))
7684 goto efault;
67867308
FB		 7685 }
7686 }
7687 break;
7688#endif
7689#ifdef TARGET_NR_getresgid
7690 case TARGET_NR_setresgid:
5fafdf24
TS		 7691 ret = get_errno(setresgid(low2highgid(arg1),
7692 low2highgid(arg2),
67867308
FB		 7693 low2highgid(arg3)));
7694 break;
7695#endif
7696#ifdef TARGET_NR_getresgid
7697 case TARGET_NR_getresgid:
7698 {
53a5960a 7699 gid_t rgid, egid, sgid;
67867308
FB		 7700 ret = get_errno(getresgid(&rgid, &egid, &sgid));
7701 if (!is_error(ret)) {
2f619698
FB		 7702 if (put_user_u16(high2lowgid(rgid), arg1)
7703 || put_user_u16(high2lowgid(egid), arg2)
7704 || put_user_u16(high2lowgid(sgid), arg3))
7705 goto efault;
67867308
FB		 7706 }
7707 }
7708 break;
7709#endif
7710 case TARGET_NR_chown:
579a97f7
FB		 7711 if (!(p = lock_user_string(arg1)))
7712 goto efault;
53a5960a
PB		 7713 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
7714 unlock_user(p, arg1, 0);
67867308
FB		 7715 break;
7716 case TARGET_NR_setuid:
7717 ret = get_errno(setuid(low2highuid(arg1)));
7718 break;
7719 case TARGET_NR_setgid:
7720 ret = get_errno(setgid(low2highgid(arg1)));
7721 break;
7722 case TARGET_NR_setfsuid:
7723 ret = get_errno(setfsuid(arg1));
7724 break;
7725 case TARGET_NR_setfsgid:
7726 ret = get_errno(setfsgid(arg1));
7727 break;
67867308 7728
a315a145 7729#ifdef TARGET_NR_lchown32
31e31b8a 7730 case TARGET_NR_lchown32:
579a97f7
FB		 7731 if (!(p = lock_user_string(arg1)))
7732 goto efault;
53a5960a
PB		 7733 ret = get_errno(lchown(p, arg2, arg3));
7734 unlock_user(p, arg1, 0);
b03c60f3 7735 break;
a315a145
FB		 7736#endif
7737#ifdef TARGET_NR_getuid32
31e31b8a 7738 case TARGET_NR_getuid32:
b03c60f3
FB		 7739 ret = get_errno(getuid());
7740 break;
a315a145 7741#endif
64b4d28c
AJ		 7742
7743#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
7744 /* Alpha specific */
7745 case TARGET_NR_getxuid:
ba0e276d
RH		 7746 {
7747 uid_t euid;
7748 euid=geteuid();
7749 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
7750 }
64b4d28c
AJ		 7751 ret = get_errno(getuid());
7752 break;
7753#endif
7754#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
7755 /* Alpha specific */
7756 case TARGET_NR_getxgid:
ba0e276d
RH		 7757 {
7758 uid_t egid;
7759 egid=getegid();
7760 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
7761 }
64b4d28c
AJ		 7762 ret = get_errno(getgid());
7763 break;
7764#endif
ba0e276d
RH		 7765#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
7766 /* Alpha specific */
7767 case TARGET_NR_osf_getsysinfo:
7768 ret = -TARGET_EOPNOTSUPP;
7769 switch (arg1) {
7770 case TARGET_GSI_IEEE_FP_CONTROL:
7771 {
7772 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
7773
7774 /* Copied from linux ieee_fpcr_to_swcr. */
7775 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
7776 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
7777 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
7778 | SWCR_TRAP_ENABLE_DZE
7779 | SWCR_TRAP_ENABLE_OVF);
7780 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
7781 | SWCR_TRAP_ENABLE_INE);
7782 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
7783 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
7784
7785 if (put_user_u64 (swcr, arg2))
7786 goto efault;
7787 ret = 0;
7788 }
7789 break;
7790
7791 /* case GSI_IEEE_STATE_AT_SIGNAL:
7792 -- Not implemented in linux kernel.
7793 case GSI_UACPROC:
7794 -- Retrieves current unaligned access state; not much used.
7795 case GSI_PROC_TYPE:
7796 -- Retrieves implver information; surely not used.
7797 case GSI_GET_HWRPB:
7798 -- Grabs a copy of the HWRPB; surely not used.
7799 */
7800 }
7801 break;
7802#endif
7803#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
7804 /* Alpha specific */
7805 case TARGET_NR_osf_setsysinfo:
7806 ret = -TARGET_EOPNOTSUPP;
7807 switch (arg1) {
7808 case TARGET_SSI_IEEE_FP_CONTROL:
ba0e276d
RH		 7809 {
7810 uint64_t swcr, fpcr, orig_fpcr;
7811
6e06d515 7812 if (get_user_u64 (swcr, arg2)) {
ba0e276d 7813 goto efault;
6e06d515
RH		 7814 }
7815 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d
RH		 7816 fpcr = orig_fpcr & FPCR_DYN_MASK;
7817
7818 /* Copied from linux ieee_swcr_to_fpcr. */
7819 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
7820 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
7821 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
7822 | SWCR_TRAP_ENABLE_DZE
7823 | SWCR_TRAP_ENABLE_OVF)) << 48;
7824 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
7825 | SWCR_TRAP_ENABLE_INE)) << 57;
7826 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
7827 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
7828
6e06d515 7829 cpu_alpha_store_fpcr(cpu_env, fpcr);
ba0e276d 7830 ret = 0;
6e06d515
RH		 7831 }
7832 break;
7833
7834 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
7835 {
7836 uint64_t exc, fpcr, orig_fpcr;
7837 int si_code;
7838
7839 if (get_user_u64(exc, arg2)) {
7840 goto efault;
7841 }
ba0e276d 7842
6e06d515 7843 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d 7844
6e06d515
RH		 7845 /* We only add to the exception status here. */
7846 fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
7847
7848 cpu_alpha_store_fpcr(cpu_env, fpcr);
7849 ret = 0;
7850
7851 /* Old exceptions are not signaled. */
7852 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
7853
7854 /* If any exceptions set by this call,
7855 and are unmasked, send a signal. */
7856 si_code = 0;
7857 if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
7858 si_code = TARGET_FPE_FLTRES;
7859 }
7860 if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
7861 si_code = TARGET_FPE_FLTUND;
7862 }
7863 if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
7864 si_code = TARGET_FPE_FLTOVF;
7865 }
7866 if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
7867 si_code = TARGET_FPE_FLTDIV;
7868 }
7869 if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
7870 si_code = TARGET_FPE_FLTINV;
7871 }
7872 if (si_code != 0) {
7873 target_siginfo_t info;
7874 info.si_signo = SIGFPE;
7875 info.si_errno = 0;
7876 info.si_code = si_code;
7877 info._sifields._sigfault._addr
7878 = ((CPUArchState *)cpu_env)->pc;
7879 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
ba0e276d
RH		 7880 }
7881 }
7882 break;
7883
7884 /* case SSI_NVPAIRS:
7885 -- Used with SSIN_UACPROC to enable unaligned accesses.
7886 case SSI_IEEE_STATE_AT_SIGNAL:
7887 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
7888 -- Not implemented in linux kernel
7889 */
7890 }
7891 break;
7892#endif
7893#ifdef TARGET_NR_osf_sigprocmask
7894 /* Alpha specific. */
7895 case TARGET_NR_osf_sigprocmask:
7896 {
7897 abi_ulong mask;
bc088ba1 7898 int how;
ba0e276d
RH		 7899 sigset_t set, oldset;
7900
7901 switch(arg1) {
7902 case TARGET_SIG_BLOCK:
7903 how = SIG_BLOCK;
7904 break;
7905 case TARGET_SIG_UNBLOCK:
7906 how = SIG_UNBLOCK;
7907 break;
7908 case TARGET_SIG_SETMASK:
7909 how = SIG_SETMASK;
7910 break;
7911 default:
7912 ret = -TARGET_EINVAL;
7913 goto fail;
7914 }
7915 mask = arg2;
7916 target_to_host_old_sigset(&set, &mask);
bc088ba1 7917 sigprocmask(how, &set, &oldset);
ba0e276d
RH		 7918 host_to_target_old_sigset(&mask, &oldset);
7919 ret = mask;
7920 }
7921 break;
7922#endif
64b4d28c 7923
a315a145 7924#ifdef TARGET_NR_getgid32
31e31b8a 7925 case TARGET_NR_getgid32:
b03c60f3
FB		 7926 ret = get_errno(getgid());
7927 break;
a315a145
FB		 7928#endif
7929#ifdef TARGET_NR_geteuid32
31e31b8a 7930 case TARGET_NR_geteuid32:
b03c60f3
FB		 7931 ret = get_errno(geteuid());
7932 break;
a315a145
FB		 7933#endif
7934#ifdef TARGET_NR_getegid32
31e31b8a 7935 case TARGET_NR_getegid32:
b03c60f3
FB		 7936 ret = get_errno(getegid());
7937 break;
a315a145
FB		 7938#endif
7939#ifdef TARGET_NR_setreuid32
31e31b8a 7940 case TARGET_NR_setreuid32:
b03c60f3
FB		 7941 ret = get_errno(setreuid(arg1, arg2));
7942 break;
a315a145
FB		 7943#endif
7944#ifdef TARGET_NR_setregid32
31e31b8a 7945 case TARGET_NR_setregid32:
b03c60f3
FB		 7946 ret = get_errno(setregid(arg1, arg2));
7947 break;
a315a145
FB		 7948#endif
7949#ifdef TARGET_NR_getgroups32
31e31b8a 7950 case TARGET_NR_getgroups32:
99c475ab
FB		 7951 {
7952 int gidsetsize = arg1;
53a5960a 7953 uint32_t *target_grouplist;
99c475ab
FB		 7954 gid_t *grouplist;
7955 int i;
7956
7957 grouplist = alloca(gidsetsize * sizeof(gid_t));
7958 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7959 if (gidsetsize == 0)
7960 break;
99c475ab 7961 if (!is_error(ret)) {
579a97f7
FB		 7962 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
7963 if (!target_grouplist) {
7964 ret = -TARGET_EFAULT;
7965 goto fail;
7966 }
a2155fcc 7967 for(i = 0;i < ret; i++)
53a5960a
PB		 7968 target_grouplist[i] = tswap32(grouplist[i]);
7969 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 7970 }
7971 }
7972 break;
a315a145
FB		 7973#endif
7974#ifdef TARGET_NR_setgroups32
31e31b8a 7975 case TARGET_NR_setgroups32:
99c475ab
FB		 7976 {
7977 int gidsetsize = arg1;
53a5960a 7978 uint32_t *target_grouplist;
99c475ab
FB		 7979 gid_t *grouplist;
7980 int i;
3b46e624 7981
99c475ab 7982 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 7983 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
7984 if (!target_grouplist) {
7985 ret = -TARGET_EFAULT;
7986 goto fail;
7987 }
99c475ab 7988 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 7989 grouplist[i] = tswap32(target_grouplist[i]);
7990 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 7991 ret = get_errno(setgroups(gidsetsize, grouplist));
7992 }
7993 break;
a315a145
FB		 7994#endif
7995#ifdef TARGET_NR_fchown32
31e31b8a 7996 case TARGET_NR_fchown32:
b03c60f3
FB		 7997 ret = get_errno(fchown(arg1, arg2, arg3));
7998 break;
a315a145
FB		 7999#endif
8000#ifdef TARGET_NR_setresuid32
31e31b8a 8001 case TARGET_NR_setresuid32:
b03c60f3
FB		 8002 ret = get_errno(setresuid(arg1, arg2, arg3));
8003 break;
a315a145
FB		 8004#endif
8005#ifdef TARGET_NR_getresuid32
31e31b8a 8006 case TARGET_NR_getresuid32:
b03c60f3 8007 {
53a5960a 8008 uid_t ruid, euid, suid;
b03c60f3
FB		 8009 ret = get_errno(getresuid(&ruid, &euid, &suid));
8010 if (!is_error(ret)) {
2f619698
FB		 8011 if (put_user_u32(ruid, arg1)
8012 || put_user_u32(euid, arg2)
8013 || put_user_u32(suid, arg3))
8014 goto efault;
b03c60f3
FB		 8015 }
8016 }
8017 break;
a315a145
FB		 8018#endif
8019#ifdef TARGET_NR_setresgid32
31e31b8a 8020 case TARGET_NR_setresgid32:
b03c60f3
FB		 8021 ret = get_errno(setresgid(arg1, arg2, arg3));
8022 break;
a315a145
FB		 8023#endif
8024#ifdef TARGET_NR_getresgid32
31e31b8a 8025 case TARGET_NR_getresgid32:
b03c60f3 8026 {
53a5960a 8027 gid_t rgid, egid, sgid;
b03c60f3
FB		 8028 ret = get_errno(getresgid(&rgid, &egid, &sgid));
8029 if (!is_error(ret)) {
2f619698
FB		 8030 if (put_user_u32(rgid, arg1)
8031 || put_user_u32(egid, arg2)
8032 || put_user_u32(sgid, arg3))
8033 goto efault;
b03c60f3
FB		 8034 }
8035 }
8036 break;
a315a145
FB		 8037#endif
8038#ifdef TARGET_NR_chown32
31e31b8a 8039 case TARGET_NR_chown32:
579a97f7
FB		 8040 if (!(p = lock_user_string(arg1)))
8041 goto efault;
53a5960a
PB		 8042 ret = get_errno(chown(p, arg2, arg3));
8043 unlock_user(p, arg1, 0);
b03c60f3 8044 break;
a315a145
FB		 8045#endif
8046#ifdef TARGET_NR_setuid32
31e31b8a 8047 case TARGET_NR_setuid32:
b03c60f3
FB		 8048 ret = get_errno(setuid(arg1));
8049 break;
a315a145
FB		 8050#endif
8051#ifdef TARGET_NR_setgid32
31e31b8a 8052 case TARGET_NR_setgid32:
b03c60f3
FB		 8053 ret = get_errno(setgid(arg1));
8054 break;
a315a145
FB		 8055#endif
8056#ifdef TARGET_NR_setfsuid32
31e31b8a 8057 case TARGET_NR_setfsuid32:
b03c60f3
FB		 8058 ret = get_errno(setfsuid(arg1));
8059 break;
a315a145
FB		 8060#endif
8061#ifdef TARGET_NR_setfsgid32
31e31b8a 8062 case TARGET_NR_setfsgid32:
b03c60f3
FB		 8063 ret = get_errno(setfsgid(arg1));
8064 break;
a315a145 8065#endif
67867308 8066
31e31b8a 8067 case TARGET_NR_pivot_root:
b03c60f3 8068 goto unimplemented;
ffa65c3b 8069#ifdef TARGET_NR_mincore
31e31b8a 8070 case TARGET_NR_mincore:
04bb9ace
AJ		 8071 {
8072 void *a;
8073 ret = -TARGET_EFAULT;
8074 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
8075 goto efault;
8076 if (!(p = lock_user_string(arg3)))
8077 goto mincore_fail;
8078 ret = get_errno(mincore(a, arg2, p));
8079 unlock_user(p, arg3, ret);
8080 mincore_fail:
8081 unlock_user(a, arg1, 0);
8082 }
8083 break;
ffa65c3b 8084#endif
408321b6
AJ		 8085#ifdef TARGET_NR_arm_fadvise64_64
8086 case TARGET_NR_arm_fadvise64_64:
8087 {
8088 /*
8089 * arm_fadvise64_64 looks like fadvise64_64 but
8090 * with different argument order
8091 */
8092 abi_long temp;
8093 temp = arg3;
8094 arg3 = arg4;
8095 arg4 = temp;
8096 }
8097#endif
e72d2cc7 8098#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 8099#ifdef TARGET_NR_fadvise64_64
8100 case TARGET_NR_fadvise64_64:
8101#endif
e72d2cc7
UH		 8102#ifdef TARGET_NR_fadvise64
8103 case TARGET_NR_fadvise64:
8104#endif
8105#ifdef TARGET_S390X
8106 switch (arg4) {
8107 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
8108 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
8109 case 6: arg4 = POSIX_FADV_DONTNEED; break;
8110 case 7: arg4 = POSIX_FADV_NOREUSE; break;
8111 default: break;
8112 }
8113#endif
8114 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 8115 break;
8116#endif
ffa65c3b 8117#ifdef TARGET_NR_madvise
31e31b8a 8118 case TARGET_NR_madvise:
24836689
PB		 8119 /* A straight passthrough may not be safe because qemu sometimes
8120 turns private flie-backed mappings into anonymous mappings.
8121 This will break MADV_DONTNEED.
8122 This is a hint, so ignoring and returning success is ok. */
8123 ret = get_errno(0);
8124 break;
ffa65c3b 8125#endif
992f48a0 8126#if TARGET_ABI_BITS == 32
31e31b8a 8127 case TARGET_NR_fcntl64:
77e4672d 8128 {
b1e341eb 8129 int cmd;
77e4672d 8130 struct flock64 fl;
53a5960a 8131 struct target_flock64 *target_fl;
ce4defa0 8132#ifdef TARGET_ARM
53a5960a 8133 struct target_eabi_flock64 *target_efl;
ce4defa0 8134#endif
77e4672d 8135
5f106811 8136 cmd = target_to_host_fcntl_cmd(arg2);
31b63193
PM		 8137 if (cmd == -TARGET_EINVAL) {
8138 ret = cmd;
8139 break;
8140 }
b1e341eb 8141
60cd49d5 8142 switch(arg2) {
b1e341eb 8143 case TARGET_F_GETLK64:
5813427b
TS		 8144#ifdef TARGET_ARM
8145 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8146 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8147 goto efault;
5813427b
TS		 8148 fl.l_type = tswap16(target_efl->l_type);
8149 fl.l_whence = tswap16(target_efl->l_whence);
8150 fl.l_start = tswap64(target_efl->l_start);
8151 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8152 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 8153 unlock_user_struct(target_efl, arg3, 0);
8154 } else
8155#endif
8156 {
9ee1fa2c
FB		 8157 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8158 goto efault;
5813427b
TS		 8159 fl.l_type = tswap16(target_fl->l_type);
8160 fl.l_whence = tswap16(target_fl->l_whence);
8161 fl.l_start = tswap64(target_fl->l_start);
8162 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8163 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 8164 unlock_user_struct(target_fl, arg3, 0);
8165 }
b1e341eb 8166 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8167 if (ret == 0) {
ce4defa0
PB		 8168#ifdef TARGET_ARM
8169 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8170 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
8171 goto efault;
ce4defa0
PB		 8172 target_efl->l_type = tswap16(fl.l_type);
8173 target_efl->l_whence = tswap16(fl.l_whence);
8174 target_efl->l_start = tswap64(fl.l_start);
8175 target_efl->l_len = tswap64(fl.l_len);
7e22e546 8176 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 8177 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 8178 } else
8179#endif
8180 {
9ee1fa2c
FB		 8181 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
8182 goto efault;
ce4defa0
PB		 8183 target_fl->l_type = tswap16(fl.l_type);
8184 target_fl->l_whence = tswap16(fl.l_whence);
8185 target_fl->l_start = tswap64(fl.l_start);
8186 target_fl->l_len = tswap64(fl.l_len);
7e22e546 8187 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 8188 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 8189 }
77e4672d
FB		 8190 }
8191 break;
8192
b1e341eb
TS		 8193 case TARGET_F_SETLK64:
8194 case TARGET_F_SETLKW64:
ce4defa0
PB		 8195#ifdef TARGET_ARM
8196 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8197 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8198 goto efault;
ce4defa0
PB		 8199 fl.l_type = tswap16(target_efl->l_type);
8200 fl.l_whence = tswap16(target_efl->l_whence);
8201 fl.l_start = tswap64(target_efl->l_start);
8202 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8203 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 8204 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 8205 } else
8206#endif
8207 {
9ee1fa2c
FB		 8208 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8209 goto efault;
ce4defa0
PB		 8210 fl.l_type = tswap16(target_fl->l_type);
8211 fl.l_whence = tswap16(target_fl->l_whence);
8212 fl.l_start = tswap64(target_fl->l_start);
8213 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8214 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 8215 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 8216 }
b1e341eb 8217 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8218 break;
60cd49d5 8219 default:
5f106811 8220 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 8221 break;
8222 }
77e4672d
FB		 8223 break;
8224 }
60cd49d5 8225#endif
7d600c80
TS		 8226#ifdef TARGET_NR_cacheflush
8227 case TARGET_NR_cacheflush:
8228 /* self-modifying code is handled automatically, so nothing needed */
8229 ret = 0;
8230 break;
8231#endif
ebc05488 8232#ifdef TARGET_NR_security
31e31b8a
FB		 8233 case TARGET_NR_security:
8234 goto unimplemented;
c573ff67
FB		 8235#endif
8236#ifdef TARGET_NR_getpagesize
8237 case TARGET_NR_getpagesize:
8238 ret = TARGET_PAGE_SIZE;
8239 break;
ebc05488 8240#endif
31e31b8a
FB		 8241 case TARGET_NR_gettid:
8242 ret = get_errno(gettid());
8243 break;
e5febef5 8244#ifdef TARGET_NR_readahead
31e31b8a 8245 case TARGET_NR_readahead:
2054ac9b 8246#if TARGET_ABI_BITS == 32
48e515d4 8247 if (regpairs_aligned(cpu_env)) {
2054ac9b
AJ		 8248 arg2 = arg3;
8249 arg3 = arg4;
8250 arg4 = arg5;
8251 }
2054ac9b
AJ		 8252 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
8253#else
8254 ret = get_errno(readahead(arg1, arg2, arg3));
8255#endif
8256 break;
e5febef5 8257#endif
a790ae38 8258#ifdef CONFIG_ATTR
ebc05488 8259#ifdef TARGET_NR_setxattr
31e31b8a
FB		 8260 case TARGET_NR_listxattr:
8261 case TARGET_NR_llistxattr:
fb5590f7
PM		 8262 {
8263 void *p, *b = 0;
8264 if (arg2) {
8265 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8266 if (!b) {
8267 ret = -TARGET_EFAULT;
8268 break;
8269 }
8270 }
8271 p = lock_user_string(arg1);
8272 if (p) {
8273 if (num == TARGET_NR_listxattr) {
8274 ret = get_errno(listxattr(p, b, arg3));
8275 } else {
8276 ret = get_errno(llistxattr(p, b, arg3));
8277 }
8278 } else {
8279 ret = -TARGET_EFAULT;
8280 }
8281 unlock_user(p, arg1, 0);
8282 unlock_user(b, arg2, arg3);
8283 break;
8284 }
31e31b8a 8285 case TARGET_NR_flistxattr:
fb5590f7
PM		 8286 {
8287 void *b = 0;
8288 if (arg2) {
8289 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8290 if (!b) {
8291 ret = -TARGET_EFAULT;
8292 break;
8293 }
8294 }
8295 ret = get_errno(flistxattr(arg1, b, arg3));
8296 unlock_user(b, arg2, arg3);
6f932f91 8297 break;
fb5590f7 8298 }
a790ae38 8299 case TARGET_NR_setxattr:
30297b55 8300 case TARGET_NR_lsetxattr:
a790ae38 8301 {
e3c33ec6
PM		 8302 void *p, *n, *v = 0;
8303 if (arg3) {
8304 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8305 if (!v) {
8306 ret = -TARGET_EFAULT;
8307 break;
8308 }
8309 }
a790ae38
ACH		 8310 p = lock_user_string(arg1);
8311 n = lock_user_string(arg2);
e3c33ec6 8312 if (p && n) {
30297b55
PM		 8313 if (num == TARGET_NR_setxattr) {
8314 ret = get_errno(setxattr(p, n, v, arg4, arg5));
8315 } else {
8316 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
8317 }
a790ae38
ACH		 8318 } else {
8319 ret = -TARGET_EFAULT;
8320 }
8321 unlock_user(p, arg1, 0);
8322 unlock_user(n, arg2, 0);
8323 unlock_user(v, arg3, 0);
8324 }
8325 break;
30297b55
PM		 8326 case TARGET_NR_fsetxattr:
8327 {
8328 void *n, *v = 0;
8329 if (arg3) {
8330 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8331 if (!v) {
8332 ret = -TARGET_EFAULT;
8333 break;
8334 }
8335 }
8336 n = lock_user_string(arg2);
8337 if (n) {
8338 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
8339 } else {
8340 ret = -TARGET_EFAULT;
8341 }
8342 unlock_user(n, arg2, 0);
8343 unlock_user(v, arg3, 0);
8344 }
8345 break;
a790ae38 8346 case TARGET_NR_getxattr:
30297b55 8347 case TARGET_NR_lgetxattr:
a790ae38 8348 {
e3c33ec6
PM		 8349 void *p, *n, *v = 0;
8350 if (arg3) {
8351 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8352 if (!v) {
8353 ret = -TARGET_EFAULT;
8354 break;
8355 }
8356 }
a790ae38
ACH		 8357 p = lock_user_string(arg1);
8358 n = lock_user_string(arg2);
e3c33ec6 8359 if (p && n) {
30297b55
PM		 8360 if (num == TARGET_NR_getxattr) {
8361 ret = get_errno(getxattr(p, n, v, arg4));
8362 } else {
8363 ret = get_errno(lgetxattr(p, n, v, arg4));
8364 }
a790ae38
ACH		 8365 } else {
8366 ret = -TARGET_EFAULT;
8367 }
8368 unlock_user(p, arg1, 0);
8369 unlock_user(n, arg2, 0);
8370 unlock_user(v, arg3, arg4);
8371 }
8372 break;
30297b55
PM		 8373 case TARGET_NR_fgetxattr:
8374 {
8375 void *n, *v = 0;
8376 if (arg3) {
8377 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8378 if (!v) {
8379 ret = -TARGET_EFAULT;
8380 break;
8381 }
8382 }
8383 n = lock_user_string(arg2);
8384 if (n) {
8385 ret = get_errno(fgetxattr(arg1, n, v, arg4));
8386 } else {
8387 ret = -TARGET_EFAULT;
8388 }
8389 unlock_user(n, arg2, 0);
8390 unlock_user(v, arg3, arg4);
8391 }
8392 break;
a790ae38 8393 case TARGET_NR_removexattr:
30297b55 8394 case TARGET_NR_lremovexattr:
a790ae38
ACH		 8395 {
8396 void *p, *n;
8397 p = lock_user_string(arg1);
8398 n = lock_user_string(arg2);
8399 if (p && n) {
30297b55
PM		 8400 if (num == TARGET_NR_removexattr) {
8401 ret = get_errno(removexattr(p, n));
8402 } else {
8403 ret = get_errno(lremovexattr(p, n));
8404 }
a790ae38
ACH		 8405 } else {
8406 ret = -TARGET_EFAULT;
8407 }
8408 unlock_user(p, arg1, 0);
8409 unlock_user(n, arg2, 0);
8410 }
8411 break;
30297b55
PM		 8412 case TARGET_NR_fremovexattr:
8413 {
8414 void *n;
8415 n = lock_user_string(arg2);
8416 if (n) {
8417 ret = get_errno(fremovexattr(arg1, n));
8418 } else {
8419 ret = -TARGET_EFAULT;
8420 }
8421 unlock_user(n, arg2, 0);
8422 }
8423 break;
ebc05488 8424#endif
a790ae38 8425#endif /* CONFIG_ATTR */
ebc05488 8426#ifdef TARGET_NR_set_thread_area
5cd4393b 8427 case TARGET_NR_set_thread_area:
8d18e893 8428#if defined(TARGET_MIPS)
6f5b89a0
TS		 8429 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
8430 ret = 0;
8431 break;
ef96779b
EI		 8432#elif defined(TARGET_CRIS)
8433 if (arg1 & 0xff)
8434 ret = -TARGET_EINVAL;
8435 else {
8436 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
8437 ret = 0;
8438 }
8439 break;
8d18e893
FB		 8440#elif defined(TARGET_I386) && defined(TARGET_ABI32)
8441 ret = do_set_thread_area(cpu_env, arg1);
8442 break;
6f5b89a0
TS		 8443#else
8444 goto unimplemented_nowarn;
8445#endif
8446#endif
8447#ifdef TARGET_NR_get_thread_area
5cd4393b 8448 case TARGET_NR_get_thread_area:
8d18e893
FB		 8449#if defined(TARGET_I386) && defined(TARGET_ABI32)
8450 ret = do_get_thread_area(cpu_env, arg1);
8451#else
5cd4393b 8452 goto unimplemented_nowarn;
48dc41eb 8453#endif
8d18e893 8454#endif
48dc41eb
FB		 8455#ifdef TARGET_NR_getdomainname
8456 case TARGET_NR_getdomainname:
8457 goto unimplemented_nowarn;
ebc05488 8458#endif
6f5b89a0 8459
b5906f95
TS		 8460#ifdef TARGET_NR_clock_gettime
8461 case TARGET_NR_clock_gettime:
8462 {
8463 struct timespec ts;
8464 ret = get_errno(clock_gettime(arg1, &ts));
8465 if (!is_error(ret)) {
8466 host_to_target_timespec(arg2, &ts);
8467 }
8468 break;
8469 }
8470#endif
8471#ifdef TARGET_NR_clock_getres
8472 case TARGET_NR_clock_getres:
8473 {
8474 struct timespec ts;
8475 ret = get_errno(clock_getres(arg1, &ts));
8476 if (!is_error(ret)) {
8477 host_to_target_timespec(arg2, &ts);
8478 }
8479 break;
8480 }
8481#endif
63d7651b
PB		 8482#ifdef TARGET_NR_clock_nanosleep
8483 case TARGET_NR_clock_nanosleep:
8484 {
8485 struct timespec ts;
8486 target_to_host_timespec(&ts, arg3);
8487 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
8488 if (arg4)
8489 host_to_target_timespec(arg4, &ts);
8490 break;
8491 }
8492#endif
b5906f95 8493
6f5b89a0
TS		 8494#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
8495 case TARGET_NR_set_tid_address:
579a97f7
FB		 8496 ret = get_errno(set_tid_address((int *)g2h(arg1)));
8497 break;
6f5b89a0
TS		 8498#endif
8499
3ae43202 8500#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 8501 case TARGET_NR_tkill:
4cb05961 8502 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 8503 break;
8504#endif
8505
3ae43202 8506#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 8507 case TARGET_NR_tgkill:
4cb05961
PB		 8508 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
8509 target_to_host_signal(arg3)));
71455574
TS		 8510 break;
8511#endif
8512
4f2b1fe8
TS		 8513#ifdef TARGET_NR_set_robust_list
8514 case TARGET_NR_set_robust_list:
8515 goto unimplemented_nowarn;
8516#endif
8517
9007f0ef
TS		 8518#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
8519 case TARGET_NR_utimensat:
8520 {
ebc996f3
RV		 8521 struct timespec *tsp, ts[2];
8522 if (!arg3) {
8523 tsp = NULL;
8524 } else {
8525 target_to_host_timespec(ts, arg3);
8526 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
8527 tsp = ts;
8528 }
9007f0ef 8529 if (!arg2)
ebc996f3 8530 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 8531 else {
579a97f7 8532 if (!(p = lock_user_string(arg2))) {
0da46a6e 8533 ret = -TARGET_EFAULT;
579a97f7
FB		 8534 goto fail;
8535 }
ebc996f3 8536 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 8537 unlock_user(p, arg2, 0);
9007f0ef
TS		 8538 }
8539 }
8540 break;
8541#endif
2f7bb878 8542#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 8543 case TARGET_NR_futex:
8544 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
8545 break;
8546#endif
dbfe4c36 8547#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 8548 case TARGET_NR_inotify_init:
8549 ret = get_errno(sys_inotify_init());
8550 break;
8551#endif
a1606b0b 8552#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 8553#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
8554 case TARGET_NR_inotify_init1:
8555 ret = get_errno(sys_inotify_init1(arg1));
8556 break;
8557#endif
a1606b0b 8558#endif
dbfe4c36 8559#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 8560 case TARGET_NR_inotify_add_watch:
8561 p = lock_user_string(arg2);
8562 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
8563 unlock_user(p, arg2, 0);
8564 break;
8565#endif
dbfe4c36 8566#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 8567 case TARGET_NR_inotify_rm_watch:
8568 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
8569 break;
8570#endif
9007f0ef 8571
8ec9cf89 8572#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 8573 case TARGET_NR_mq_open:
8574 {
8575 struct mq_attr posix_mq_attr;
8576
8577 p = lock_user_string(arg1 - 1);
8578 if (arg4 != 0)
8579 copy_from_user_mq_attr (&posix_mq_attr, arg4);
8580 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
8581 unlock_user (p, arg1, 0);
8582 }
8583 break;
8584
8585 case TARGET_NR_mq_unlink:
8586 p = lock_user_string(arg1 - 1);
8587 ret = get_errno(mq_unlink(p));
8588 unlock_user (p, arg1, 0);
8589 break;
8590
8591 case TARGET_NR_mq_timedsend:
8592 {
8593 struct timespec ts;
8594
8595 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8596 if (arg5 != 0) {
8597 target_to_host_timespec(&ts, arg5);
8598 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
8599 host_to_target_timespec(arg5, &ts);
8600 }
8601 else
8602 ret = get_errno(mq_send(arg1, p, arg3, arg4));
8603 unlock_user (p, arg2, arg3);
8604 }
8605 break;
8606
8607 case TARGET_NR_mq_timedreceive:
8608 {
8609 struct timespec ts;
8610 unsigned int prio;
8611
8612 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8613 if (arg5 != 0) {
8614 target_to_host_timespec(&ts, arg5);
8615 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
8616 host_to_target_timespec(arg5, &ts);
8617 }
8618 else
8619 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
8620 unlock_user (p, arg2, arg3);
8621 if (arg4 != 0)
8622 put_user_u32(prio, arg4);
8623 }
8624 break;
8625
8626 /* Not implemented for now... */
8627/* case TARGET_NR_mq_notify: */
8628/* break; */
8629
8630 case TARGET_NR_mq_getsetattr:
8631 {
8632 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
8633 ret = 0;
8634 if (arg3 != 0) {
8635 ret = mq_getattr(arg1, &posix_mq_attr_out);
8636 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
8637 }
8638 if (arg2 != 0) {
8639 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
8640 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
8641 }
8642
8643 }
8644 break;
8645#endif
8646
3ce34dfb
VS		 8647#ifdef CONFIG_SPLICE
8648#ifdef TARGET_NR_tee
8649 case TARGET_NR_tee:
8650 {
8651 ret = get_errno(tee(arg1,arg2,arg3,arg4));
8652 }
8653 break;
8654#endif
8655#ifdef TARGET_NR_splice
8656 case TARGET_NR_splice:
8657 {
8658 loff_t loff_in, loff_out;
8659 loff_t *ploff_in = NULL, *ploff_out = NULL;
8660 if(arg2) {
8661 get_user_u64(loff_in, arg2);
8662 ploff_in = &loff_in;
8663 }
8664 if(arg4) {
8665 get_user_u64(loff_out, arg2);
8666 ploff_out = &loff_out;
8667 }
8668 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
8669 }
8670 break;
8671#endif
8672#ifdef TARGET_NR_vmsplice
8673 case TARGET_NR_vmsplice:
8674 {
f287b2c2
RH		 8675 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
8676 if (vec != NULL) {
8677 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
8678 unlock_iovec(vec, arg2, arg3, 0);
8679 } else {
8680 ret = -host_to_target_errno(errno);
8681 }
3ce34dfb
VS		 8682 }
8683 break;
8684#endif
8685#endif /* CONFIG_SPLICE */
c2882b96
RV		 8686#ifdef CONFIG_EVENTFD
8687#if defined(TARGET_NR_eventfd)
8688 case TARGET_NR_eventfd:
8689 ret = get_errno(eventfd(arg1, 0));
8690 break;
8691#endif
8692#if defined(TARGET_NR_eventfd2)
8693 case TARGET_NR_eventfd2:
8694 ret = get_errno(eventfd(arg1, arg2));
8695 break;
8696#endif
8697#endif /* CONFIG_EVENTFD */
d0927938
UH		 8698#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
8699 case TARGET_NR_fallocate:
20249ae1
AG		 8700#if TARGET_ABI_BITS == 32
8701 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
8702 target_offset64(arg5, arg6)));
8703#else
d0927938 8704 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
20249ae1 8705#endif
d0927938 8706 break;
c727f47d
PM		 8707#endif
8708#if defined(CONFIG_SYNC_FILE_RANGE)
8709#if defined(TARGET_NR_sync_file_range)
8710 case TARGET_NR_sync_file_range:
8711#if TARGET_ABI_BITS == 32
bfcedc57
RV		 8712#if defined(TARGET_MIPS)
8713 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8714 target_offset64(arg5, arg6), arg7));
8715#else
c727f47d
PM		 8716 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
8717 target_offset64(arg4, arg5), arg6));
bfcedc57 8718#endif /* !TARGET_MIPS */
c727f47d
PM		 8719#else
8720 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
8721#endif
8722 break;
8723#endif
8724#if defined(TARGET_NR_sync_file_range2)
8725 case TARGET_NR_sync_file_range2:
8726 /* This is like sync_file_range but the arguments are reordered */
8727#if TARGET_ABI_BITS == 32
8728 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8729 target_offset64(arg5, arg6), arg2));
8730#else
8731 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
8732#endif
8733 break;
8734#endif
3b6edd16
PM		 8735#endif
8736#if defined(CONFIG_EPOLL)
8737#if defined(TARGET_NR_epoll_create)
8738 case TARGET_NR_epoll_create:
8739 ret = get_errno(epoll_create(arg1));
8740 break;
8741#endif
8742#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
8743 case TARGET_NR_epoll_create1:
8744 ret = get_errno(epoll_create1(arg1));
8745 break;
8746#endif
8747#if defined(TARGET_NR_epoll_ctl)
8748 case TARGET_NR_epoll_ctl:
8749 {
8750 struct epoll_event ep;
8751 struct epoll_event *epp = 0;
8752 if (arg4) {
8753 struct target_epoll_event *target_ep;
8754 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
8755 goto efault;
8756 }
8757 ep.events = tswap32(target_ep->events);
8758 /* The epoll_data_t union is just opaque data to the kernel,
8759 * so we transfer all 64 bits across and need not worry what
8760 * actual data type it is.
8761 */
8762 ep.data.u64 = tswap64(target_ep->data.u64);
8763 unlock_user_struct(target_ep, arg4, 0);
8764 epp = &ep;
8765 }
8766 ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
8767 break;
8768 }
8769#endif
8770
8771#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
8772#define IMPLEMENT_EPOLL_PWAIT
8773#endif
8774#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
8775#if defined(TARGET_NR_epoll_wait)
8776 case TARGET_NR_epoll_wait:
8777#endif
8778#if defined(IMPLEMENT_EPOLL_PWAIT)
8779 case TARGET_NR_epoll_pwait:
8780#endif
8781 {
8782 struct target_epoll_event *target_ep;
8783 struct epoll_event *ep;
8784 int epfd = arg1;
8785 int maxevents = arg3;
8786 int timeout = arg4;
8787
8788 target_ep = lock_user(VERIFY_WRITE, arg2,
8789 maxevents * sizeof(struct target_epoll_event), 1);
8790 if (!target_ep) {
8791 goto efault;
8792 }
8793
8794 ep = alloca(maxevents * sizeof(struct epoll_event));
8795
8796 switch (num) {
8797#if defined(IMPLEMENT_EPOLL_PWAIT)
8798 case TARGET_NR_epoll_pwait:
8799 {
8800 target_sigset_t *target_set;
8801 sigset_t _set, *set = &_set;
8802
8803 if (arg5) {
8804 target_set = lock_user(VERIFY_READ, arg5,
8805 sizeof(target_sigset_t), 1);
8806 if (!target_set) {
8807 unlock_user(target_ep, arg2, 0);
8808 goto efault;
8809 }
8810 target_to_host_sigset(set, target_set);
8811 unlock_user(target_set, arg5, 0);
8812 } else {
8813 set = NULL;
8814 }
8815
8816 ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
8817 break;
8818 }
8819#endif
8820#if defined(TARGET_NR_epoll_wait)
8821 case TARGET_NR_epoll_wait:
8822 ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
8823 break;
8824#endif
8825 default:
8826 ret = -TARGET_ENOSYS;
8827 }
8828 if (!is_error(ret)) {
8829 int i;
8830 for (i = 0; i < ret; i++) {
8831 target_ep[i].events = tswap32(ep[i].events);
8832 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
8833 }
8834 }
8835 unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
8836 break;
8837 }
8838#endif
163a05a8
PM		 8839#endif
8840#ifdef TARGET_NR_prlimit64
8841 case TARGET_NR_prlimit64:
8842 {
8843 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
8844 struct target_rlimit64 *target_rnew, *target_rold;
8845 struct host_rlimit64 rnew, rold, *rnewp = 0;
8846 if (arg3) {
8847 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
8848 goto efault;
8849 }
8850 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
8851 rnew.rlim_max = tswap64(target_rnew->rlim_max);
8852 unlock_user_struct(target_rnew, arg3, 0);
8853 rnewp = &rnew;
8854 }
8855
8856 ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
8857 if (!is_error(ret) && arg4) {
8858 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
8859 goto efault;
8860 }
8861 target_rold->rlim_cur = tswap64(rold.rlim_cur);
8862 target_rold->rlim_max = tswap64(rold.rlim_max);
8863 unlock_user_struct(target_rold, arg4, 1);
8864 }
8865 break;
8866 }
3d21d29c
RH		 8867#endif
8868#ifdef TARGET_NR_gethostname
8869 case TARGET_NR_gethostname:
8870 {
8871 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
8872 if (name) {
8873 ret = get_errno(gethostname(name, arg2));
8874 unlock_user(name, arg1, arg2);
8875 } else {
8876 ret = -TARGET_EFAULT;
8877 }
8878 break;
8879 }
d0927938 8880#endif
31e31b8a
FB		 8881 default:
8882 unimplemented:
5cd4393b 8883 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 8884#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 8885 unimplemented_nowarn:
80a9d035 8886#endif
0da46a6e 8887 ret = -TARGET_ENOSYS;
31e31b8a
FB		 8888 break;
8889 }
579a97f7 8890fail:
c573ff67 8891#ifdef DEBUG
0bf9e31a 8892 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 8893#endif
b92c47c1
TS		 8894 if(do_strace)
8895 print_syscall_ret(num, ret);
31e31b8a 8896 return ret;
579a97f7
FB		 8897efault:
8898 ret = -TARGET_EFAULT;
8899 goto fail;
31e31b8a 8900}
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