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virtio: Remove unneeded g_free() check in virtio_cleanup()
[qemu.git] / linux-user / syscall.c
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31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
8167ee88 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
31e31b8a 18 */
d5b3a9b6 19#define _ATFILE_SOURCE
31e31b8a
FB		 20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
82e671d9 30#include <limits.h>
31e31b8a 31#include <sys/types.h>
d08d3bb8
TS		 32#include <sys/ipc.h>
33#include <sys/msg.h>
31e31b8a
FB		 34#include <sys/wait.h>
35#include <sys/time.h>
36#include <sys/stat.h>
37#include <sys/mount.h>
39b9aae1 38#include <sys/prctl.h>
31e31b8a
FB		 39#include <sys/resource.h>
40#include <sys/mman.h>
41#include <sys/swap.h>
42#include <signal.h>
43#include <sched.h>
60e99246
AJ		 44#ifdef __ia64__
45int __clone2(int (*fn)(void *), void *child_stack_base,
46 size_t stack_size, int flags, void *arg, ...);
47#endif
31e31b8a 48#include <sys/socket.h>
607175e0 49#include <sys/un.h>
31e31b8a 50#include <sys/uio.h>
9de5e440 51#include <sys/poll.h>
32f36bce 52#include <sys/times.h>
8853f86e 53#include <sys/shm.h>
fa294816 54#include <sys/sem.h>
56c8f68f 55#include <sys/statfs.h>
ebc05488 56#include <utime.h>
a5448a7d 57#include <sys/sysinfo.h>
3b3f24ad 58#include <sys/utsname.h>
72f03900 59//#include <sys/user.h>
8853f86e 60#include <netinet/ip.h>
7854b056 61#include <netinet/tcp.h>
86fcd946 62#include <linux/wireless.h>
5a61cb60 63#include "qemu-common.h"
9788c9ca 64#ifdef TARGET_GPROF
6d946cda
AJ		 65#include <sys/gmon.h>
66#endif
c2882b96
RV		 67#ifdef CONFIG_EVENTFD
68#include <sys/eventfd.h>
69#endif
3b6edd16
PM		 70#ifdef CONFIG_EPOLL
71#include <sys/epoll.h>
72#endif
a790ae38 73#ifdef CONFIG_ATTR
4f26f2b6 74#include "qemu-xattr.h"
a790ae38 75#endif
31e31b8a
FB		 76
77#define termios host_termios
78#define winsize host_winsize
79#define termio host_termio
04369ff2
FB		 80#define sgttyb host_sgttyb /* same as target */
81#define tchars host_tchars /* same as target */
82#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 83
84#include <linux/termios.h>
85#include <linux/unistd.h>
86#include <linux/utsname.h>
87#include <linux/cdrom.h>
88#include <linux/hdreg.h>
89#include <linux/soundcard.h>
19b84f3c 90#include <linux/kd.h>
8fbd6b52 91#include <linux/mtio.h>
350d1779 92#include <linux/fs.h>
dace20dc 93#if defined(CONFIG_FIEMAP)
285da2b9 94#include <linux/fiemap.h>
dace20dc 95#endif
f7680a55
UH		 96#include <linux/fb.h>
97#include <linux/vt.h>
d7e4036e 98#include "linux_loop.h"
da79030f 99#include "cpu-uname.h"
31e31b8a 100
3ef693a0 101#include "qemu.h"
31e31b8a 102
2f7bb878 103#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 104#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
105 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
106#else
107/* XXX: Hardcode the above values. */
108#define CLONE_NPTL_FLAGS2 0
30813cea
PB		 109#endif
110
72f03900 111//#define DEBUG
31e31b8a 112
1a9353d2 113//#include <linux/msdos_fs.h>
6556a833
AJ		 114#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
115#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 116
70a194b9 117
70a194b9
FB		 118#undef _syscall0
119#undef _syscall1
120#undef _syscall2
121#undef _syscall3
122#undef _syscall4
123#undef _syscall5
83fcb515 124#undef _syscall6
70a194b9 125
83fcb515 126#define _syscall0(type,name) \
8fcd3692 127static type name (void) \
83fcb515
FB		 128{ \
129 return syscall(__NR_##name); \
130}
70a194b9 131
83fcb515 132#define _syscall1(type,name,type1,arg1) \
8fcd3692 133static type name (type1 arg1) \
83fcb515
FB		 134{ \
135 return syscall(__NR_##name, arg1); \
70a194b9
FB		 136}
137
83fcb515 138#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 139static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 140{ \
141 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 142}
143
83fcb515 144#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 145static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 146{ \
147 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 148}
149
83fcb515 150#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 151static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 152{ \
153 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 154}
155
83fcb515
FB		 156#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
157 type5,arg5) \
8fcd3692 158static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 159{ \
160 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 161}
162
83fcb515
FB		 163
164#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
165 type5,arg5,type6,arg6) \
8fcd3692
BS		 166static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
167 type6 arg6) \
83fcb515
FB		 168{ \
169 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 170}
83fcb515 171
70a194b9 172
31e31b8a 173#define __NR_sys_uname __NR_uname
92a34c10 174#define __NR_sys_faccessat __NR_faccessat
814d7977 175#define __NR_sys_fchmodat __NR_fchmodat
ccfa72b7 176#define __NR_sys_fchownat __NR_fchownat
6a24a778 177#define __NR_sys_fstatat64 __NR_fstatat64
ac8a6556 178#define __NR_sys_futimesat __NR_futimesat
72f03900 179#define __NR_sys_getcwd1 __NR_getcwd
72f03900 180#define __NR_sys_getdents __NR_getdents
dab2ed99 181#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 182#define __NR_sys_getpriority __NR_getpriority
64f0ce4c 183#define __NR_sys_linkat __NR_linkat
4472ad0d 184#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 185#define __NR_sys_mknodat __NR_mknodat
9d33b76b 186#define __NR_sys_newfstatat __NR_newfstatat
82424832 187#define __NR_sys_openat __NR_openat
5e0ccb18 188#define __NR_sys_readlinkat __NR_readlinkat
722183f6 189#define __NR_sys_renameat __NR_renameat
66fb9763 190#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
f0b6243d 191#define __NR_sys_symlinkat __NR_symlinkat
7494b0f9 192#define __NR_sys_syslog __NR_syslog
71455574 193#define __NR_sys_tgkill __NR_tgkill
4cae1d16 194#define __NR_sys_tkill __NR_tkill
8170f56b 195#define __NR_sys_unlinkat __NR_unlinkat
9007f0ef 196#define __NR_sys_utimensat __NR_utimensat
bd0c5661 197#define __NR_sys_futex __NR_futex
39b59763
AJ		 198#define __NR_sys_inotify_init __NR_inotify_init
199#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
200#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 201
42a39fbe
AG		 202#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
203 defined(__s390x__)
9af9eaaa
FB		 204#define __NR__llseek __NR_lseek
205#endif
206
72f03900 207#ifdef __NR_gettid
31e31b8a 208_syscall0(int, gettid)
72f03900 209#else
0da46a6e
TS		 210/* This is a replacement for the host gettid() and must return a host
211 errno. */
72f03900
FB		 212static int gettid(void) {
213 return -ENOSYS;
214}
215#endif
3b3f24ad 216_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3b3f24ad
AJ		 217#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
218_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
219#endif
220_syscall2(int, sys_getpriority, int, which, int, who);
d35b261c 221#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
3b3f24ad
AJ		 222_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
223 loff_t *, res, uint, wh);
224#endif
225_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
226_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
227#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
228_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
229#endif
230#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
231_syscall2(int,sys_tkill,int,tid,int,sig)
232#endif
233#ifdef __NR_exit_group
234_syscall1(int,exit_group,int,error_code)
235#endif
236#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
237_syscall1(int,set_tid_address,int *,tidptr)
238#endif
2f7bb878 239#if defined(CONFIG_USE_NPTL)
3b3f24ad
AJ		 240#if defined(TARGET_NR_futex) && defined(__NR_futex)
241_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
242 const struct timespec *,timeout,int *,uaddr2,int,val3)
243#endif
244#endif
737de1d1
MF		 245#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
246_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
247 unsigned long *, user_mask_ptr);
248#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
249_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
250 unsigned long *, user_mask_ptr);
0f6b4d21
AG		 251_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
252 void *, arg);
3b3f24ad
AJ		 253
254static bitmask_transtbl fcntl_flags_tbl[] = {
255 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
256 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
257 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
258 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
259 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
260 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
261 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
262 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
263 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
264 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
265 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
266 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
267 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
268#if defined(O_DIRECT)
269 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
270#endif
271 { 0, 0, 0, 0 }
272};
273
274#define COPY_UTSNAME_FIELD(dest, src) \
275 do { \
276 /* __NEW_UTS_LEN doesn't include terminating null */ \
277 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
278 (dest)[__NEW_UTS_LEN] = '\0'; \
279 } while (0)
280
281static int sys_uname(struct new_utsname *buf)
282{
283 struct utsname uts_buf;
284
285 if (uname(&uts_buf) < 0)
286 return (-1);
287
288 /*
289 * Just in case these have some differences, we
290 * translate utsname to new_utsname (which is the
291 * struct linux kernel uses).
292 */
293
67bd9ede 294 memset(buf, 0, sizeof(*buf));
3b3f24ad
AJ		 295 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
296 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
297 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
298 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
299 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
300#ifdef _GNU_SOURCE
301 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
302#endif
303 return (0);
304
305#undef COPY_UTSNAME_FIELD
306}
307
308static int sys_getcwd1(char *buf, size_t size)
309{
310 if (getcwd(buf, size) == NULL) {
311 /* getcwd() sets errno */
312 return (-1);
313 }
aaf4ad39 314 return strlen(buf)+1;
3b3f24ad
AJ		 315}
316
317#ifdef CONFIG_ATFILE
318/*
319 * Host system seems to have atfile syscall stubs available. We
320 * now enable them one by one as specified by target syscall_nr.h.
321 */
322
323#ifdef TARGET_NR_faccessat
465c9f06 324static int sys_faccessat(int dirfd, const char *pathname, int mode)
3b3f24ad 325{
465c9f06 326 return (faccessat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 327}
328#endif
329#ifdef TARGET_NR_fchmodat
465c9f06 330static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
3b3f24ad 331{
465c9f06 332 return (fchmodat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 333}
334#endif
0c866a7e 335#if defined(TARGET_NR_fchownat)
3b3f24ad
AJ		 336static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
337 gid_t group, int flags)
338{
339 return (fchownat(dirfd, pathname, owner, group, flags));
340}
341#endif
342#ifdef __NR_fstatat64
343static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
344 int flags)
345{
346 return (fstatat(dirfd, pathname, buf, flags));
347}
348#endif
349#ifdef __NR_newfstatat
350static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
351 int flags)
352{
353 return (fstatat(dirfd, pathname, buf, flags));
354}
355#endif
356#ifdef TARGET_NR_futimesat
357static int sys_futimesat(int dirfd, const char *pathname,
358 const struct timeval times[2])
359{
360 return (futimesat(dirfd, pathname, times));
361}
362#endif
363#ifdef TARGET_NR_linkat
364static int sys_linkat(int olddirfd, const char *oldpath,
365 int newdirfd, const char *newpath, int flags)
366{
367 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
368}
369#endif
370#ifdef TARGET_NR_mkdirat
371static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
372{
373 return (mkdirat(dirfd, pathname, mode));
374}
375#endif
376#ifdef TARGET_NR_mknodat
377static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
378 dev_t dev)
379{
380 return (mknodat(dirfd, pathname, mode, dev));
381}
382#endif
383#ifdef TARGET_NR_openat
f4c69010 384static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode)
3b3f24ad
AJ		 385{
386 /*
387 * open(2) has extra parameter 'mode' when called with
388 * flag O_CREAT.
389 */
390 if ((flags & O_CREAT) != 0) {
3b3f24ad
AJ		 391 return (openat(dirfd, pathname, flags, mode));
392 }
393 return (openat(dirfd, pathname, flags));
394}
395#endif
396#ifdef TARGET_NR_readlinkat
397static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
398{
399 return (readlinkat(dirfd, pathname, buf, bufsiz));
400}
401#endif
402#ifdef TARGET_NR_renameat
403static int sys_renameat(int olddirfd, const char *oldpath,
404 int newdirfd, const char *newpath)
405{
406 return (renameat(olddirfd, oldpath, newdirfd, newpath));
407}
408#endif
409#ifdef TARGET_NR_symlinkat
410static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
411{
412 return (symlinkat(oldpath, newdirfd, newpath));
413}
414#endif
415#ifdef TARGET_NR_unlinkat
416static int sys_unlinkat(int dirfd, const char *pathname, int flags)
417{
418 return (unlinkat(dirfd, pathname, flags));
419}
420#endif
3b3f24ad
AJ		 421#else /* !CONFIG_ATFILE */
422
423/*
424 * Try direct syscalls instead
425 */
92a34c10 426#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
465c9f06 427_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
92a34c10 428#endif
814d7977 429#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
465c9f06 430_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
814d7977 431#endif
0c866a7e 432#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
ccfa72b7
TS		 433_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
434 uid_t,owner,gid_t,group,int,flags)
435#endif
9d33b76b
AJ		 436#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
437 defined(__NR_fstatat64)
6a24a778
AZ		 438_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
439 struct stat *,buf,int,flags)
440#endif
ac8a6556
AZ		 441#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
442_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
443 const struct timeval *,times)
444#endif
3b3f24ad
AJ		 445#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
446 defined(__NR_newfstatat)
447_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
448 struct stat *,buf,int,flags)
8fcd3692 449#endif
64f0ce4c
TS		 450#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
451_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
3b3f24ad 452 int,newdirfd,const char *,newpath,int,flags)
64f0ce4c 453#endif
4472ad0d
TS		 454#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
455_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
456#endif
75ac37a0
TS		 457#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
458_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
459 mode_t,mode,dev_t,dev)
460#endif
82424832
TS		 461#if defined(TARGET_NR_openat) && defined(__NR_openat)
462_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
463#endif
5e0ccb18
TS		 464#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
465_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
466 char *,buf,size_t,bufsize)
467#endif
722183f6
TS		 468#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
469_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
470 int,newdirfd,const char *,newpath)
471#endif
b51eaa82 472#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 473_syscall3(int,sys_symlinkat,const char *,oldpath,
474 int,newdirfd,const char *,newpath)
475#endif
8170f56b
TS		 476#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
477_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
478#endif
ebc996f3
RV		 479
480#endif /* CONFIG_ATFILE */
481
482#ifdef CONFIG_UTIMENSAT
483static int sys_utimensat(int dirfd, const char *pathname,
484 const struct timespec times[2], int flags)
485{
486 if (pathname == NULL)
487 return futimens(dirfd, times);
488 else
489 return utimensat(dirfd, pathname, times, flags);
490}
491#else
9007f0ef
TS		 492#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
493_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
494 const struct timespec *,tsp,int,flags)
495#endif
ebc996f3 496#endif /* CONFIG_UTIMENSAT */
3b3f24ad
AJ		 497
498#ifdef CONFIG_INOTIFY
8690e420 499#include <sys/inotify.h>
3b3f24ad 500
39b59763 501#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 502static int sys_inotify_init(void)
503{
504 return (inotify_init());
505}
39b59763
AJ		 506#endif
507#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 508static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
509{
510 return (inotify_add_watch(fd, pathname, mask));
511}
39b59763
AJ		 512#endif
513#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 514static int sys_inotify_rm_watch(int fd, int32_t wd)
515{
8690e420 516 return (inotify_rm_watch(fd, wd));
3b3f24ad 517}
bd0c5661 518#endif
c05c7a73
RV		 519#ifdef CONFIG_INOTIFY1
520#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
521static int sys_inotify_init1(int flags)
522{
523 return (inotify_init1(flags));
524}
525#endif
526#endif
3b3f24ad
AJ		 527#else
528/* Userspace can usually survive runtime without inotify */
529#undef TARGET_NR_inotify_init
c05c7a73 530#undef TARGET_NR_inotify_init1
3b3f24ad
AJ		 531#undef TARGET_NR_inotify_add_watch
532#undef TARGET_NR_inotify_rm_watch
533#endif /* CONFIG_INOTIFY */
534
d8035d4c
MF		 535#if defined(TARGET_NR_ppoll)
536#ifndef __NR_ppoll
537# define __NR_ppoll -1
538#endif
539#define __NR_sys_ppoll __NR_ppoll
540_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
541 struct timespec *, timeout, const __sigset_t *, sigmask,
542 size_t, sigsetsize)
543#endif
66fb9763 544
055e0906
MF		 545#if defined(TARGET_NR_pselect6)
546#ifndef __NR_pselect6
547# define __NR_pselect6 -1
548#endif
549#define __NR_sys_pselect6 __NR_pselect6
550_syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
551 fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
552#endif
553
163a05a8
PM		 554#if defined(TARGET_NR_prlimit64)
555#ifndef __NR_prlimit64
556# define __NR_prlimit64 -1
557#endif
558#define __NR_sys_prlimit64 __NR_prlimit64
559/* The glibc rlimit structure may not be that used by the underlying syscall */
560struct host_rlimit64 {
561 uint64_t rlim_cur;
562 uint64_t rlim_max;
563};
564_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
565 const struct host_rlimit64 *, new_limit,
566 struct host_rlimit64 *, old_limit)
567#endif
568
66fb9763 569extern int personality(int);
9de5e440
FB		 570extern int flock(int, int);
571extern int setfsuid(int);
572extern int setfsgid(int);
19b84f3c 573extern int setgroups(int, gid_t *);
31e31b8a 574
48e515d4
RV		 575/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
576#ifdef TARGET_ARM
577static inline int regpairs_aligned(void *cpu_env) {
578 return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
579}
580#elif defined(TARGET_MIPS)
581static inline int regpairs_aligned(void *cpu_env) { return 1; }
582#else
583static inline int regpairs_aligned(void *cpu_env) { return 0; }
584#endif
585
b92c47c1
TS		 586#define ERRNO_TABLE_SIZE 1200
587
588/* target_to_host_errno_table[] is initialized from
589 * host_to_target_errno_table[] in syscall_init(). */
590static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
591};
592
637947f1 593/*
fe8f096b 594 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 595 * minus the errnos that are not actually generic to all archs.
596 */
b92c47c1 597static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 598 [EIDRM] = TARGET_EIDRM,
599 [ECHRNG] = TARGET_ECHRNG,
600 [EL2NSYNC] = TARGET_EL2NSYNC,
601 [EL3HLT] = TARGET_EL3HLT,
602 [EL3RST] = TARGET_EL3RST,
603 [ELNRNG] = TARGET_ELNRNG,
604 [EUNATCH] = TARGET_EUNATCH,
605 [ENOCSI] = TARGET_ENOCSI,
606 [EL2HLT] = TARGET_EL2HLT,
607 [EDEADLK] = TARGET_EDEADLK,
608 [ENOLCK] = TARGET_ENOLCK,
609 [EBADE] = TARGET_EBADE,
610 [EBADR] = TARGET_EBADR,
611 [EXFULL] = TARGET_EXFULL,
612 [ENOANO] = TARGET_ENOANO,
613 [EBADRQC] = TARGET_EBADRQC,
614 [EBADSLT] = TARGET_EBADSLT,
615 [EBFONT] = TARGET_EBFONT,
616 [ENOSTR] = TARGET_ENOSTR,
617 [ENODATA] = TARGET_ENODATA,
618 [ETIME] = TARGET_ETIME,
619 [ENOSR] = TARGET_ENOSR,
620 [ENONET] = TARGET_ENONET,
621 [ENOPKG] = TARGET_ENOPKG,
622 [EREMOTE] = TARGET_EREMOTE,
623 [ENOLINK] = TARGET_ENOLINK,
624 [EADV] = TARGET_EADV,
625 [ESRMNT] = TARGET_ESRMNT,
626 [ECOMM] = TARGET_ECOMM,
627 [EPROTO] = TARGET_EPROTO,
628 [EDOTDOT] = TARGET_EDOTDOT,
629 [EMULTIHOP] = TARGET_EMULTIHOP,
630 [EBADMSG] = TARGET_EBADMSG,
631 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
632 [EOVERFLOW] = TARGET_EOVERFLOW,
633 [ENOTUNIQ] = TARGET_ENOTUNIQ,
634 [EBADFD] = TARGET_EBADFD,
635 [EREMCHG] = TARGET_EREMCHG,
636 [ELIBACC] = TARGET_ELIBACC,
637 [ELIBBAD] = TARGET_ELIBBAD,
638 [ELIBSCN] = TARGET_ELIBSCN,
639 [ELIBMAX] = TARGET_ELIBMAX,
640 [ELIBEXEC] = TARGET_ELIBEXEC,
641 [EILSEQ] = TARGET_EILSEQ,
642 [ENOSYS] = TARGET_ENOSYS,
643 [ELOOP] = TARGET_ELOOP,
644 [ERESTART] = TARGET_ERESTART,
645 [ESTRPIPE] = TARGET_ESTRPIPE,
646 [ENOTEMPTY] = TARGET_ENOTEMPTY,
647 [EUSERS] = TARGET_EUSERS,
648 [ENOTSOCK] = TARGET_ENOTSOCK,
649 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
650 [EMSGSIZE] = TARGET_EMSGSIZE,
651 [EPROTOTYPE] = TARGET_EPROTOTYPE,
652 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
653 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
654 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
655 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
656 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
657 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
658 [EADDRINUSE] = TARGET_EADDRINUSE,
659 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
660 [ENETDOWN] = TARGET_ENETDOWN,
661 [ENETUNREACH] = TARGET_ENETUNREACH,
662 [ENETRESET] = TARGET_ENETRESET,
663 [ECONNABORTED] = TARGET_ECONNABORTED,
664 [ECONNRESET] = TARGET_ECONNRESET,
665 [ENOBUFS] = TARGET_ENOBUFS,
666 [EISCONN] = TARGET_EISCONN,
667 [ENOTCONN] = TARGET_ENOTCONN,
668 [EUCLEAN] = TARGET_EUCLEAN,
669 [ENOTNAM] = TARGET_ENOTNAM,
670 [ENAVAIL] = TARGET_ENAVAIL,
671 [EISNAM] = TARGET_EISNAM,
672 [EREMOTEIO] = TARGET_EREMOTEIO,
673 [ESHUTDOWN] = TARGET_ESHUTDOWN,
674 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
675 [ETIMEDOUT] = TARGET_ETIMEDOUT,
676 [ECONNREFUSED] = TARGET_ECONNREFUSED,
677 [EHOSTDOWN] = TARGET_EHOSTDOWN,
678 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
679 [EALREADY] = TARGET_EALREADY,
680 [EINPROGRESS] = TARGET_EINPROGRESS,
681 [ESTALE] = TARGET_ESTALE,
682 [ECANCELED] = TARGET_ECANCELED,
683 [ENOMEDIUM] = TARGET_ENOMEDIUM,
684 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 685#ifdef ENOKEY
637947f1 686 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 687#endif
688#ifdef EKEYEXPIRED
637947f1 689 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 690#endif
691#ifdef EKEYREVOKED
637947f1 692 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 693#endif
694#ifdef EKEYREJECTED
637947f1 695 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 696#endif
697#ifdef EOWNERDEAD
637947f1 698 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 699#endif
700#ifdef ENOTRECOVERABLE
637947f1 701 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 702#endif
b92c47c1 703};
637947f1
TS		 704
705static inline int host_to_target_errno(int err)
706{
707 if(host_to_target_errno_table[err])
708 return host_to_target_errno_table[err];
709 return err;
710}
711
b92c47c1
TS		 712static inline int target_to_host_errno(int err)
713{
714 if (target_to_host_errno_table[err])
715 return target_to_host_errno_table[err];
716 return err;
717}
718
992f48a0 719static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 720{
721 if (ret == -1)
637947f1 722 return -host_to_target_errno(errno);
31e31b8a
FB		 723 else
724 return ret;
725}
726
992f48a0 727static inline int is_error(abi_long ret)
31e31b8a 728{
992f48a0 729 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 730}
731
b92c47c1
TS		 732char *target_strerror(int err)
733{
962b289e
AG		 734 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
735 return NULL;
736 }
b92c47c1
TS		 737 return strerror(target_to_host_errno(err));
738}
739
992f48a0
BS		 740static abi_ulong target_brk;
741static abi_ulong target_original_brk;
4d1de87c 742static abi_ulong brk_page;
31e31b8a 743
992f48a0 744void target_set_brk(abi_ulong new_brk)
31e31b8a 745{
4c1de73d 746 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
4d1de87c 747 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 748}
749
4d1de87c 750//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
751#define DEBUGF_BRK(message, args...)
752
0da46a6e 753/* do_brk() must return target values and target errnos. */
992f48a0 754abi_long do_brk(abi_ulong new_brk)
31e31b8a 755{
992f48a0 756 abi_long mapped_addr;
31e31b8a
FB		 757 int new_alloc_size;
758
4d1de87c 759 DEBUGF_BRK("do_brk(%#010x) -> ", new_brk);
760
761 if (!new_brk) {
762 DEBUGF_BRK("%#010x (!new_brk)\n", target_brk);
53a5960a 763 return target_brk;
4d1de87c 764 }
765 if (new_brk < target_original_brk) {
766 DEBUGF_BRK("%#010x (new_brk < target_original_brk)\n", target_brk);
7ab240ad 767 return target_brk;
4d1de87c 768 }
3b46e624 769
4d1de87c 770 /* If the new brk is less than the highest page reserved to the
771 * target heap allocation, set it and we're almost done... */
772 if (new_brk <= brk_page) {
773 /* Heap contents are initialized to zero, as for anonymous
774 * mapped pages. */
775 if (new_brk > target_brk) {
776 memset(g2h(target_brk), 0, new_brk - target_brk);
777 }
31e31b8a 778 target_brk = new_brk;
4d1de87c 779 DEBUGF_BRK("%#010x (new_brk <= brk_page)\n", target_brk);
53a5960a 780 return target_brk;
31e31b8a
FB		 781 }
782
00faf08c
PM		 783 /* We need to allocate more memory after the brk... Note that
784 * we don't use MAP_FIXED because that will map over the top of
785 * any existing mapping (like the one with the host libc or qemu
786 * itself); instead we treat "mapped but at wrong address" as
787 * a failure and unmap again.
788 */
4d1de87c 789 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
5fafdf24 790 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004 791 PROT_READ|PROT_WRITE,
00faf08c
PM		 792 MAP_ANON|MAP_PRIVATE, 0, 0));
793
794 if (mapped_addr == brk_page) {
70afc343
CV		 795 /* Heap contents are initialized to zero, as for anonymous
796 * mapped pages. Technically the new pages are already
797 * initialized to zero since they *are* anonymous mapped
798 * pages, however we have to take care with the contents that
799 * come from the remaining part of the previous page: it may
800 * contains garbage data due to a previous heap usage (grown
801 * then shrunken). */
802 memset(g2h(target_brk), 0, brk_page - target_brk);
803
00faf08c 804 target_brk = new_brk;
4d1de87c 805 brk_page = HOST_PAGE_ALIGN(target_brk);
806 DEBUGF_BRK("%#010x (mapped_addr == brk_page)\n", target_brk);
00faf08c
PM		 807 return target_brk;
808 } else if (mapped_addr != -1) {
809 /* Mapped but at wrong address, meaning there wasn't actually
810 * enough space for this brk.
811 */
812 target_munmap(mapped_addr, new_alloc_size);
813 mapped_addr = -1;
4d1de87c 814 DEBUGF_BRK("%#010x (mapped_addr != -1)\n", target_brk);
815 }
816 else {
817 DEBUGF_BRK("%#010x (otherwise)\n", target_brk);
00faf08c 818 }
7ab240ad 819
7dd46c02
RH		 820#if defined(TARGET_ALPHA)
821 /* We (partially) emulate OSF/1 on Alpha, which requires we
822 return a proper errno, not an unchanged brk value. */
00faf08c 823 return -TARGET_ENOMEM;
7dd46c02 824#endif
00faf08c 825 /* For everything else, return the previous break. */
7ab240ad 826 return target_brk;
31e31b8a
FB		 827}
828
26edcf41
TS		 829static inline abi_long copy_from_user_fdset(fd_set *fds,
830 abi_ulong target_fds_addr,
831 int n)
31e31b8a 832{
26edcf41
TS		 833 int i, nw, j, k;
834 abi_ulong b, *target_fds;
835
836 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
837 if (!(target_fds = lock_user(VERIFY_READ,
838 target_fds_addr,
839 sizeof(abi_ulong) * nw,
840 1)))
841 return -TARGET_EFAULT;
842
843 FD_ZERO(fds);
844 k = 0;
845 for (i = 0; i < nw; i++) {
846 /* grab the abi_ulong */
847 __get_user(b, &target_fds[i]);
848 for (j = 0; j < TARGET_ABI_BITS; j++) {
849 /* check the bit inside the abi_ulong */
850 if ((b >> j) & 1)
851 FD_SET(k, fds);
852 k++;
31e31b8a 853 }
31e31b8a 854 }
26edcf41
TS		 855
856 unlock_user(target_fds, target_fds_addr, 0);
857
858 return 0;
31e31b8a
FB		 859}
860
055e0906
MF		 861static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
862 abi_ulong target_fds_addr,
863 int n)
864{
865 if (target_fds_addr) {
866 if (copy_from_user_fdset(fds, target_fds_addr, n))
867 return -TARGET_EFAULT;
868 *fds_ptr = fds;
869 } else {
870 *fds_ptr = NULL;
871 }
872 return 0;
873}
874
26edcf41
TS		 875static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
876 const fd_set *fds,
877 int n)
31e31b8a 878{
31e31b8a 879 int i, nw, j, k;
992f48a0 880 abi_long v;
26edcf41 881 abi_ulong *target_fds;
31e31b8a 882
26edcf41
TS		 883 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
884 if (!(target_fds = lock_user(VERIFY_WRITE,
885 target_fds_addr,
886 sizeof(abi_ulong) * nw,
887 0)))
888 return -TARGET_EFAULT;
889
890 k = 0;
891 for (i = 0; i < nw; i++) {
892 v = 0;
893 for (j = 0; j < TARGET_ABI_BITS; j++) {
894 v |= ((FD_ISSET(k, fds) != 0) << j);
895 k++;
31e31b8a 896 }
26edcf41 897 __put_user(v, &target_fds[i]);
31e31b8a 898 }
26edcf41
TS		 899
900 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
901
902 return 0;
31e31b8a
FB		 903}
904
c596ed17
FB		 905#if defined(__alpha__)
906#define HOST_HZ 1024
907#else
908#define HOST_HZ 100
909#endif
910
992f48a0 911static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 912{
913#if HOST_HZ == TARGET_HZ
914 return ticks;
915#else
916 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
917#endif
918}
919
579a97f7
FB		 920static inline abi_long host_to_target_rusage(abi_ulong target_addr,
921 const struct rusage *rusage)
b409186b 922{
53a5960a
PB		 923 struct target_rusage *target_rusage;
924
579a97f7
FB		 925 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
926 return -TARGET_EFAULT;
cbb21eed
MB		 927 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
928 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
929 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
930 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
931 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
932 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
933 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
934 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
935 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
936 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
937 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
938 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
939 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
940 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
941 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
942 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
943 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
944 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
53a5960a 945 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 946
947 return 0;
b409186b
FB		 948}
949
cbb21eed 950static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
81bbe906 951{
cbb21eed 952 abi_ulong target_rlim_swap;
95b33b2f
WT		 953 rlim_t result;
954
cbb21eed
MB		 955 target_rlim_swap = tswapal(target_rlim);
956 if (target_rlim_swap == TARGET_RLIM_INFINITY)
957 return RLIM_INFINITY;
958
959 result = target_rlim_swap;
960 if (target_rlim_swap != (rlim_t)result)
961 return RLIM_INFINITY;
95b33b2f
WT		 962
963 return result;
81bbe906 964}
965
cbb21eed 966static inline abi_ulong host_to_target_rlim(rlim_t rlim)
81bbe906 967{
cbb21eed
MB		 968 abi_ulong target_rlim_swap;
969 abi_ulong result;
95b33b2f 970
cbb21eed 971 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
95b33b2f 972 target_rlim_swap = TARGET_RLIM_INFINITY;
81bbe906 973 else
95b33b2f 974 target_rlim_swap = rlim;
cbb21eed 975 result = tswapal(target_rlim_swap);
95b33b2f
WT		 976
977 return result;
81bbe906 978}
979
e22b7015
WT		 980static inline int target_to_host_resource(int code)
981{
982 switch (code) {
983 case TARGET_RLIMIT_AS:
984 return RLIMIT_AS;
985 case TARGET_RLIMIT_CORE:
986 return RLIMIT_CORE;
987 case TARGET_RLIMIT_CPU:
988 return RLIMIT_CPU;
989 case TARGET_RLIMIT_DATA:
990 return RLIMIT_DATA;
991 case TARGET_RLIMIT_FSIZE:
992 return RLIMIT_FSIZE;
993 case TARGET_RLIMIT_LOCKS:
994 return RLIMIT_LOCKS;
995 case TARGET_RLIMIT_MEMLOCK:
996 return RLIMIT_MEMLOCK;
997 case TARGET_RLIMIT_MSGQUEUE:
998 return RLIMIT_MSGQUEUE;
999 case TARGET_RLIMIT_NICE:
1000 return RLIMIT_NICE;
1001 case TARGET_RLIMIT_NOFILE:
1002 return RLIMIT_NOFILE;
1003 case TARGET_RLIMIT_NPROC:
1004 return RLIMIT_NPROC;
1005 case TARGET_RLIMIT_RSS:
1006 return RLIMIT_RSS;
1007 case TARGET_RLIMIT_RTPRIO:
1008 return RLIMIT_RTPRIO;
1009 case TARGET_RLIMIT_SIGPENDING:
1010 return RLIMIT_SIGPENDING;
1011 case TARGET_RLIMIT_STACK:
1012 return RLIMIT_STACK;
1013 default:
1014 return code;
1015 }
1016}
1017
788f5ec4
TS		 1018static inline abi_long copy_from_user_timeval(struct timeval *tv,
1019 abi_ulong target_tv_addr)
31e31b8a 1020{
53a5960a
PB		 1021 struct target_timeval *target_tv;
1022
788f5ec4 1023 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 1024 return -TARGET_EFAULT;
788f5ec4
TS		 1025
1026 __get_user(tv->tv_sec, &target_tv->tv_sec);
1027 __get_user(tv->tv_usec, &target_tv->tv_usec);
1028
1029 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 1030
1031 return 0;
31e31b8a
FB		 1032}
1033
788f5ec4
TS		 1034static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1035 const struct timeval *tv)
31e31b8a 1036{
53a5960a
PB		 1037 struct target_timeval *target_tv;
1038
788f5ec4 1039 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 1040 return -TARGET_EFAULT;
788f5ec4
TS		 1041
1042 __put_user(tv->tv_sec, &target_tv->tv_sec);
1043 __put_user(tv->tv_usec, &target_tv->tv_usec);
1044
1045 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 1046
1047 return 0;
31e31b8a
FB		 1048}
1049
8ec9cf89
NF		 1050#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1051#include <mqueue.h>
1052
24e1003a
AJ		 1053static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1054 abi_ulong target_mq_attr_addr)
1055{
1056 struct target_mq_attr *target_mq_attr;
1057
1058 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1059 target_mq_attr_addr, 1))
1060 return -TARGET_EFAULT;
1061
1062 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1063 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1064 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1065 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1066
1067 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1068
1069 return 0;
1070}
1071
1072static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1073 const struct mq_attr *attr)
1074{
1075 struct target_mq_attr *target_mq_attr;
1076
1077 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1078 target_mq_attr_addr, 0))
1079 return -TARGET_EFAULT;
1080
1081 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1082 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1083 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1084 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1085
1086 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1087
1088 return 0;
1089}
8ec9cf89 1090#endif
31e31b8a 1091
055e0906 1092#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
0da46a6e 1093/* do_select() must return target values and target errnos. */
992f48a0 1094static abi_long do_select(int n,
26edcf41
TS		 1095 abi_ulong rfd_addr, abi_ulong wfd_addr,
1096 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 1097{
1098 fd_set rfds, wfds, efds;
1099 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1100 struct timeval tv, *tv_ptr;
992f48a0 1101 abi_long ret;
31e31b8a 1102
055e0906
MF		 1103 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1104 if (ret) {
1105 return ret;
53a5960a 1106 }
055e0906
MF		 1107 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1108 if (ret) {
1109 return ret;
53a5960a 1110 }
055e0906
MF		 1111 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1112 if (ret) {
1113 return ret;
53a5960a 1114 }
3b46e624 1115
26edcf41 1116 if (target_tv_addr) {
788f5ec4
TS		 1117 if (copy_from_user_timeval(&tv, target_tv_addr))
1118 return -TARGET_EFAULT;
31e31b8a
FB		 1119 tv_ptr = &tv;
1120 } else {
1121 tv_ptr = NULL;
1122 }
26edcf41 1123
31e31b8a 1124 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 1125
26edcf41
TS		 1126 if (!is_error(ret)) {
1127 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1128 return -TARGET_EFAULT;
1129 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1130 return -TARGET_EFAULT;
1131 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1132 return -TARGET_EFAULT;
31e31b8a 1133
788f5ec4
TS		 1134 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
1135 return -TARGET_EFAULT;
31e31b8a 1136 }
579a97f7 1137
31e31b8a
FB		 1138 return ret;
1139}
055e0906 1140#endif
31e31b8a 1141
099d6b0f
RV		 1142static abi_long do_pipe2(int host_pipe[], int flags)
1143{
1144#ifdef CONFIG_PIPE2
1145 return pipe2(host_pipe, flags);
1146#else
1147 return -ENOSYS;
1148#endif
1149}
1150
fb41a66e
RH		 1151static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1152 int flags, int is_pipe2)
099d6b0f
RV		 1153{
1154 int host_pipe[2];
1155 abi_long ret;
1156 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1157
1158 if (is_error(ret))
1159 return get_errno(ret);
fb41a66e
RH		 1160
1161 /* Several targets have special calling conventions for the original
1162 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1163 if (!is_pipe2) {
1164#if defined(TARGET_ALPHA)
1165 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1166 return host_pipe[0];
1167#elif defined(TARGET_MIPS)
1168 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1169 return host_pipe[0];
1170#elif defined(TARGET_SH4)
597c0212 1171 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
fb41a66e 1172 return host_pipe[0];
597c0212 1173#endif
fb41a66e
RH		 1174 }
1175
099d6b0f
RV		 1176 if (put_user_s32(host_pipe[0], pipedes)
1177 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1178 return -TARGET_EFAULT;
099d6b0f
RV		 1179 return get_errno(ret);
1180}
1181
b975b83b
LL		 1182static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1183 abi_ulong target_addr,
1184 socklen_t len)
1185{
1186 struct target_ip_mreqn *target_smreqn;
1187
1188 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1189 if (!target_smreqn)
1190 return -TARGET_EFAULT;
1191 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1192 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1193 if (len == sizeof(struct target_ip_mreqn))
cbb21eed 1194 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
b975b83b
LL		 1195 unlock_user(target_smreqn, target_addr, 0);
1196
1197 return 0;
1198}
1199
579a97f7
FB		 1200static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1201 abi_ulong target_addr,
1202 socklen_t len)
7854b056 1203{
607175e0
AJ		 1204 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1205 sa_family_t sa_family;
53a5960a
PB		 1206 struct target_sockaddr *target_saddr;
1207
579a97f7
FB		 1208 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1209 if (!target_saddr)
1210 return -TARGET_EFAULT;
607175e0
AJ		 1211
1212 sa_family = tswap16(target_saddr->sa_family);
1213
1214 /* Oops. The caller might send a incomplete sun_path; sun_path
1215 * must be terminated by \0 (see the manual page), but
1216 * unfortunately it is quite common to specify sockaddr_un
1217 * length as "strlen(x->sun_path)" while it should be
1218 * "strlen(...) + 1". We'll fix that here if needed.
1219 * Linux kernel has a similar feature.
1220 */
1221
1222 if (sa_family == AF_UNIX) {
1223 if (len < unix_maxlen && len > 0) {
1224 char *cp = (char*)target_saddr;
1225
1226 if ( cp[len-1] && !cp[len] )
1227 len++;
1228 }
1229 if (len > unix_maxlen)
1230 len = unix_maxlen;
1231 }
1232
53a5960a 1233 memcpy(addr, target_saddr, len);
607175e0 1234 addr->sa_family = sa_family;
53a5960a 1235 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1236
1237 return 0;
7854b056
FB		 1238}
1239
579a97f7
FB		 1240static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1241 struct sockaddr *addr,
1242 socklen_t len)
7854b056 1243{
53a5960a
PB		 1244 struct target_sockaddr *target_saddr;
1245
579a97f7
FB		 1246 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1247 if (!target_saddr)
1248 return -TARGET_EFAULT;
53a5960a
PB		 1249 memcpy(target_saddr, addr, len);
1250 target_saddr->sa_family = tswap16(addr->sa_family);
1251 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1252
1253 return 0;
7854b056
FB		 1254}
1255
53a5960a 1256/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1257static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1258 struct target_msghdr *target_msgh)
7854b056
FB		 1259{
1260 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1261 abi_long msg_controllen;
1262 abi_ulong target_cmsg_addr;
1263 struct target_cmsghdr *target_cmsg;
7854b056 1264 socklen_t space = 0;
5a4a898d 1265
cbb21eed 1266 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1267 if (msg_controllen < sizeof (struct target_cmsghdr))
1268 goto the_end;
cbb21eed 1269 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1270 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1271 if (!target_cmsg)
1272 return -TARGET_EFAULT;
7854b056
FB		 1273
1274 while (cmsg && target_cmsg) {
1275 void *data = CMSG_DATA(cmsg);
1276 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1277
cbb21eed 1278 int len = tswapal(target_cmsg->cmsg_len)
7854b056
FB		 1279 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1280
1281 space += CMSG_SPACE(len);
1282 if (space > msgh->msg_controllen) {
1283 space -= CMSG_SPACE(len);
31febb71 1284 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1285 break;
1286 }
1287
1288 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1289 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1290 cmsg->cmsg_len = CMSG_LEN(len);
1291
3532fa74 1292 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1293 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1294 memcpy(data, target_data, len);
1295 } else {
1296 int *fd = (int *)data;
1297 int *target_fd = (int *)target_data;
1298 int i, numfds = len / sizeof(int);
1299
1300 for (i = 0; i < numfds; i++)
1301 fd[i] = tswap32(target_fd[i]);
1302 }
1303
1304 cmsg = CMSG_NXTHDR(msgh, cmsg);
1305 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1306 }
5a4a898d
FB		 1307 unlock_user(target_cmsg, target_cmsg_addr, 0);
1308 the_end:
7854b056 1309 msgh->msg_controllen = space;
5a4a898d 1310 return 0;
7854b056
FB		 1311}
1312
53a5960a 1313/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1314static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1315 struct msghdr *msgh)
7854b056
FB		 1316{
1317 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1318 abi_long msg_controllen;
1319 abi_ulong target_cmsg_addr;
1320 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1321 socklen_t space = 0;
1322
cbb21eed 1323 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1324 if (msg_controllen < sizeof (struct target_cmsghdr))
1325 goto the_end;
cbb21eed 1326 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1327 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1328 if (!target_cmsg)
1329 return -TARGET_EFAULT;
1330
7854b056
FB		 1331 while (cmsg && target_cmsg) {
1332 void *data = CMSG_DATA(cmsg);
1333 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1334
1335 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1336
1337 space += TARGET_CMSG_SPACE(len);
5a4a898d 1338 if (space > msg_controllen) {
7854b056 1339 space -= TARGET_CMSG_SPACE(len);
31febb71 1340 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1341 break;
1342 }
1343
1344 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1345 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
cbb21eed 1346 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
7854b056 1347
3532fa74 1348 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1349 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1350 memcpy(target_data, data, len);
1351 } else {
1352 int *fd = (int *)data;
1353 int *target_fd = (int *)target_data;
1354 int i, numfds = len / sizeof(int);
1355
1356 for (i = 0; i < numfds; i++)
1357 target_fd[i] = tswap32(fd[i]);
1358 }
1359
1360 cmsg = CMSG_NXTHDR(msgh, cmsg);
1361 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1362 }
5a4a898d
FB		 1363 unlock_user(target_cmsg, target_cmsg_addr, space);
1364 the_end:
cbb21eed 1365 target_msgh->msg_controllen = tswapal(space);
5a4a898d 1366 return 0;
7854b056
FB		 1367}
1368
0da46a6e 1369/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1370static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1371 abi_ulong optval_addr, socklen_t optlen)
7854b056 1372{
992f48a0 1373 abi_long ret;
32407103 1374 int val;
b975b83b 1375 struct ip_mreqn *ip_mreq;
6e3cb58f 1376 struct ip_mreq_source *ip_mreq_source;
3b46e624 1377
8853f86e
FB		 1378 switch(level) {
1379 case SOL_TCP:
7854b056 1380 /* TCP options all take an 'int' value. */
7854b056 1381 if (optlen < sizeof(uint32_t))
0da46a6e 1382 return -TARGET_EINVAL;
3b46e624 1383
2f619698
FB		 1384 if (get_user_u32(val, optval_addr))
1385 return -TARGET_EFAULT;
8853f86e
FB		 1386 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1387 break;
1388 case SOL_IP:
1389 switch(optname) {
2efbe911
FB		 1390 case IP_TOS:
1391 case IP_TTL:
8853f86e 1392 case IP_HDRINCL:
2efbe911
FB		 1393 case IP_ROUTER_ALERT:
1394 case IP_RECVOPTS:
1395 case IP_RETOPTS:
1396 case IP_PKTINFO:
1397 case IP_MTU_DISCOVER:
1398 case IP_RECVERR:
1399 case IP_RECVTOS:
1400#ifdef IP_FREEBIND
1401 case IP_FREEBIND:
1402#endif
1403 case IP_MULTICAST_TTL:
1404 case IP_MULTICAST_LOOP:
8853f86e
FB		 1405 val = 0;
1406 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1407 if (get_user_u32(val, optval_addr))
1408 return -TARGET_EFAULT;
8853f86e 1409 } else if (optlen >= 1) {
2f619698
FB		 1410 if (get_user_u8(val, optval_addr))
1411 return -TARGET_EFAULT;
8853f86e
FB		 1412 }
1413 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1414 break;
b975b83b
LL		 1415 case IP_ADD_MEMBERSHIP:
1416 case IP_DROP_MEMBERSHIP:
1417 if (optlen < sizeof (struct target_ip_mreq) ||
1418 optlen > sizeof (struct target_ip_mreqn))
1419 return -TARGET_EINVAL;
1420
1421 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1422 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1423 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1424 break;
1425
6e3cb58f
LL		 1426 case IP_BLOCK_SOURCE:
1427 case IP_UNBLOCK_SOURCE:
1428 case IP_ADD_SOURCE_MEMBERSHIP:
1429 case IP_DROP_SOURCE_MEMBERSHIP:
1430 if (optlen != sizeof (struct target_ip_mreq_source))
1431 return -TARGET_EINVAL;
1432
1433 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1434 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1435 unlock_user (ip_mreq_source, optval_addr, 0);
1436 break;
1437
8853f86e
FB		 1438 default:
1439 goto unimplemented;
1440 }
1441 break;
3532fa74 1442 case TARGET_SOL_SOCKET:
8853f86e
FB		 1443 switch (optname) {
1444 /* Options with 'int' argument. */
3532fa74
FB		 1445 case TARGET_SO_DEBUG:
1446 optname = SO_DEBUG;
1447 break;
1448 case TARGET_SO_REUSEADDR:
1449 optname = SO_REUSEADDR;
1450 break;
1451 case TARGET_SO_TYPE:
1452 optname = SO_TYPE;
1453 break;
1454 case TARGET_SO_ERROR:
1455 optname = SO_ERROR;
1456 break;
1457 case TARGET_SO_DONTROUTE:
1458 optname = SO_DONTROUTE;
1459 break;
1460 case TARGET_SO_BROADCAST:
1461 optname = SO_BROADCAST;
1462 break;
1463 case TARGET_SO_SNDBUF:
1464 optname = SO_SNDBUF;
1465 break;
1466 case TARGET_SO_RCVBUF:
1467 optname = SO_RCVBUF;
1468 break;
1469 case TARGET_SO_KEEPALIVE:
1470 optname = SO_KEEPALIVE;
1471 break;
1472 case TARGET_SO_OOBINLINE:
1473 optname = SO_OOBINLINE;
1474 break;
1475 case TARGET_SO_NO_CHECK:
1476 optname = SO_NO_CHECK;
1477 break;
1478 case TARGET_SO_PRIORITY:
1479 optname = SO_PRIORITY;
1480 break;
5e83e8e3 1481#ifdef SO_BSDCOMPAT
3532fa74
FB		 1482 case TARGET_SO_BSDCOMPAT:
1483 optname = SO_BSDCOMPAT;
1484 break;
5e83e8e3 1485#endif
3532fa74
FB		 1486 case TARGET_SO_PASSCRED:
1487 optname = SO_PASSCRED;
1488 break;
1489 case TARGET_SO_TIMESTAMP:
1490 optname = SO_TIMESTAMP;
1491 break;
1492 case TARGET_SO_RCVLOWAT:
1493 optname = SO_RCVLOWAT;
1494 break;
1495 case TARGET_SO_RCVTIMEO:
1496 optname = SO_RCVTIMEO;
1497 break;
1498 case TARGET_SO_SNDTIMEO:
1499 optname = SO_SNDTIMEO;
1500 break;
8853f86e
FB		 1501 break;
1502 default:
1503 goto unimplemented;
1504 }
3532fa74 1505 if (optlen < sizeof(uint32_t))
2f619698 1506 return -TARGET_EINVAL;
3532fa74 1507
2f619698
FB		 1508 if (get_user_u32(val, optval_addr))
1509 return -TARGET_EFAULT;
3532fa74 1510 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1511 break;
7854b056 1512 default:
8853f86e 1513 unimplemented:
b2bedb21 1514 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
6fa13c17 1515 ret = -TARGET_ENOPROTOOPT;
7854b056 1516 }
8853f86e 1517 return ret;
7854b056
FB		 1518}
1519
0da46a6e 1520/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1521static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1522 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1523{
992f48a0 1524 abi_long ret;
b55266b5
BS		 1525 int len, val;
1526 socklen_t lv;
8853f86e
FB		 1527
1528 switch(level) {
3532fa74 1529 case TARGET_SOL_SOCKET:
f3b974cd
JL		 1530 level = SOL_SOCKET;
1531 switch (optname) {
1532 /* These don't just return a single integer */
1533 case TARGET_SO_LINGER:
1534 case TARGET_SO_RCVTIMEO:
1535 case TARGET_SO_SNDTIMEO:
f3b974cd
JL		 1536 case TARGET_SO_PEERNAME:
1537 goto unimplemented;
583359a6
AP		 1538 case TARGET_SO_PEERCRED: {
1539 struct ucred cr;
1540 socklen_t crlen;
1541 struct target_ucred *tcr;
1542
1543 if (get_user_u32(len, optlen)) {
1544 return -TARGET_EFAULT;
1545 }
1546 if (len < 0) {
1547 return -TARGET_EINVAL;
1548 }
1549
1550 crlen = sizeof(cr);
1551 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
1552 &cr, &crlen));
1553 if (ret < 0) {
1554 return ret;
1555 }
1556 if (len > crlen) {
1557 len = crlen;
1558 }
1559 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
1560 return -TARGET_EFAULT;
1561 }
1562 __put_user(cr.pid, &tcr->pid);
1563 __put_user(cr.uid, &tcr->uid);
1564 __put_user(cr.gid, &tcr->gid);
1565 unlock_user_struct(tcr, optval_addr, 1);
1566 if (put_user_u32(len, optlen)) {
1567 return -TARGET_EFAULT;
1568 }
1569 break;
1570 }
f3b974cd
JL		 1571 /* Options with 'int' argument. */
1572 case TARGET_SO_DEBUG:
1573 optname = SO_DEBUG;
1574 goto int_case;
1575 case TARGET_SO_REUSEADDR:
1576 optname = SO_REUSEADDR;
1577 goto int_case;
1578 case TARGET_SO_TYPE:
1579 optname = SO_TYPE;
1580 goto int_case;
1581 case TARGET_SO_ERROR:
1582 optname = SO_ERROR;
1583 goto int_case;
1584 case TARGET_SO_DONTROUTE:
1585 optname = SO_DONTROUTE;
1586 goto int_case;
1587 case TARGET_SO_BROADCAST:
1588 optname = SO_BROADCAST;
1589 goto int_case;
1590 case TARGET_SO_SNDBUF:
1591 optname = SO_SNDBUF;
1592 goto int_case;
1593 case TARGET_SO_RCVBUF:
1594 optname = SO_RCVBUF;
1595 goto int_case;
1596 case TARGET_SO_KEEPALIVE:
1597 optname = SO_KEEPALIVE;
1598 goto int_case;
1599 case TARGET_SO_OOBINLINE:
1600 optname = SO_OOBINLINE;
1601 goto int_case;
1602 case TARGET_SO_NO_CHECK:
1603 optname = SO_NO_CHECK;
1604 goto int_case;
1605 case TARGET_SO_PRIORITY:
1606 optname = SO_PRIORITY;
1607 goto int_case;
1608#ifdef SO_BSDCOMPAT
1609 case TARGET_SO_BSDCOMPAT:
1610 optname = SO_BSDCOMPAT;
1611 goto int_case;
1612#endif
1613 case TARGET_SO_PASSCRED:
1614 optname = SO_PASSCRED;
1615 goto int_case;
1616 case TARGET_SO_TIMESTAMP:
1617 optname = SO_TIMESTAMP;
1618 goto int_case;
1619 case TARGET_SO_RCVLOWAT:
1620 optname = SO_RCVLOWAT;
1621 goto int_case;
8853f86e 1622 default:
2efbe911
FB		 1623 goto int_case;
1624 }
1625 break;
1626 case SOL_TCP:
1627 /* TCP options all take an 'int' value. */
1628 int_case:
2f619698
FB		 1629 if (get_user_u32(len, optlen))
1630 return -TARGET_EFAULT;
2efbe911 1631 if (len < 0)
0da46a6e 1632 return -TARGET_EINVAL;
73160d95 1633 lv = sizeof(lv);
2efbe911
FB		 1634 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1635 if (ret < 0)
1636 return ret;
2efbe911
FB		 1637 if (len > lv)
1638 len = lv;
2f619698
FB		 1639 if (len == 4) {
1640 if (put_user_u32(val, optval_addr))
1641 return -TARGET_EFAULT;
1642 } else {
1643 if (put_user_u8(val, optval_addr))
1644 return -TARGET_EFAULT;
f3b974cd 1645 }
2f619698
FB		 1646 if (put_user_u32(len, optlen))
1647 return -TARGET_EFAULT;
2efbe911
FB		 1648 break;
1649 case SOL_IP:
1650 switch(optname) {
1651 case IP_TOS:
1652 case IP_TTL:
1653 case IP_HDRINCL:
1654 case IP_ROUTER_ALERT:
1655 case IP_RECVOPTS:
1656 case IP_RETOPTS:
1657 case IP_PKTINFO:
1658 case IP_MTU_DISCOVER:
1659 case IP_RECVERR:
1660 case IP_RECVTOS:
1661#ifdef IP_FREEBIND
1662 case IP_FREEBIND:
1663#endif
1664 case IP_MULTICAST_TTL:
1665 case IP_MULTICAST_LOOP:
2f619698
FB		 1666 if (get_user_u32(len, optlen))
1667 return -TARGET_EFAULT;
8853f86e 1668 if (len < 0)
0da46a6e 1669 return -TARGET_EINVAL;
73160d95 1670 lv = sizeof(lv);
8853f86e
FB		 1671 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1672 if (ret < 0)
1673 return ret;
2efbe911 1674 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1675 len = 1;
2f619698
FB		 1676 if (put_user_u32(len, optlen)
1677 || put_user_u8(val, optval_addr))
1678 return -TARGET_EFAULT;
2efbe911 1679 } else {
2efbe911
FB		 1680 if (len > sizeof(int))
1681 len = sizeof(int);
2f619698
FB		 1682 if (put_user_u32(len, optlen)
1683 || put_user_u32(val, optval_addr))
1684 return -TARGET_EFAULT;
2efbe911 1685 }
8853f86e 1686 break;
2efbe911 1687 default:
c02f499e
TS		 1688 ret = -TARGET_ENOPROTOOPT;
1689 break;
8853f86e
FB		 1690 }
1691 break;
1692 default:
1693 unimplemented:
1694 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1695 level, optname);
c02f499e 1696 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1697 break;
1698 }
1699 return ret;
7854b056
FB		 1700}
1701
579a97f7
FB		 1702/* FIXME
1703 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1704 * other lock functions have a return code of 0 for failure.
1705 */
1706static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1707 int count, int copy)
53a5960a
PB		 1708{
1709 struct target_iovec *target_vec;
992f48a0 1710 abi_ulong base;
d732dcb4 1711 int i;
53a5960a 1712
579a97f7
FB		 1713 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1714 if (!target_vec)
1715 return -TARGET_EFAULT;
53a5960a 1716 for(i = 0;i < count; i++) {
cbb21eed
MB		 1717 base = tswapal(target_vec[i].iov_base);
1718 vec[i].iov_len = tswapal(target_vec[i].iov_len);
41df8411
FB		 1719 if (vec[i].iov_len != 0) {
1720 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1721 /* Don't check lock_user return value. We must call writev even
1722 if a element has invalid base address. */
41df8411
FB		 1723 } else {
1724 /* zero length pointer is ignored */
1725 vec[i].iov_base = NULL;
1726 }
579a97f7
FB		 1727 }
1728 unlock_user (target_vec, target_addr, 0);
1729 return 0;
53a5960a
PB		 1730}
1731
579a97f7
FB		 1732static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1733 int count, int copy)
53a5960a
PB		 1734{
1735 struct target_iovec *target_vec;
992f48a0 1736 abi_ulong base;
53a5960a
PB		 1737 int i;
1738
579a97f7
FB		 1739 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1740 if (!target_vec)
1741 return -TARGET_EFAULT;
53a5960a 1742 for(i = 0;i < count; i++) {
d732dcb4 1743 if (target_vec[i].iov_base) {
cbb21eed 1744 base = tswapal(target_vec[i].iov_base);
d732dcb4
AZ		 1745 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1746 }
53a5960a
PB		 1747 }
1748 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1749
1750 return 0;
53a5960a
PB		 1751}
1752
0da46a6e 1753/* do_socket() Must return target values and target errnos. */
992f48a0 1754static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1755{
1756#if defined(TARGET_MIPS)
1757 switch(type) {
1758 case TARGET_SOCK_DGRAM:
1759 type = SOCK_DGRAM;
1760 break;
1761 case TARGET_SOCK_STREAM:
1762 type = SOCK_STREAM;
1763 break;
1764 case TARGET_SOCK_RAW:
1765 type = SOCK_RAW;
1766 break;
1767 case TARGET_SOCK_RDM:
1768 type = SOCK_RDM;
1769 break;
1770 case TARGET_SOCK_SEQPACKET:
1771 type = SOCK_SEQPACKET;
1772 break;
1773 case TARGET_SOCK_PACKET:
1774 type = SOCK_PACKET;
1775 break;
1776 }
1777#endif
12bc92ab
AZ		 1778 if (domain == PF_NETLINK)
1779 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1780 return get_errno(socket(domain, type, protocol));
1781}
1782
0da46a6e 1783/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1784static abi_long do_bind(int sockfd, abi_ulong target_addr,
1785 socklen_t addrlen)
3532fa74 1786{
8f7aeaf6 1787 void *addr;
917507b0 1788 abi_long ret;
8f7aeaf6 1789
38724253 1790 if ((int)addrlen < 0) {
8f7aeaf6 1791 return -TARGET_EINVAL;
38724253 1792 }
8f7aeaf6 1793
607175e0 1794 addr = alloca(addrlen+1);
3b46e624 1795
917507b0
AP		 1796 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1797 if (ret)
1798 return ret;
1799
3532fa74
FB		 1800 return get_errno(bind(sockfd, addr, addrlen));
1801}
1802
0da46a6e 1803/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1804static abi_long do_connect(int sockfd, abi_ulong target_addr,
1805 socklen_t addrlen)
3532fa74 1806{
8f7aeaf6 1807 void *addr;
917507b0 1808 abi_long ret;
8f7aeaf6 1809
38724253 1810 if ((int)addrlen < 0) {
8f7aeaf6 1811 return -TARGET_EINVAL;
38724253 1812 }
8f7aeaf6
AJ		 1813
1814 addr = alloca(addrlen);
3b46e624 1815
917507b0
AP		 1816 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1817 if (ret)
1818 return ret;
1819
3532fa74
FB		 1820 return get_errno(connect(sockfd, addr, addrlen));
1821}
1822
0da46a6e 1823/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1824static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1825 int flags, int send)
3532fa74 1826{
6de645c7 1827 abi_long ret, len;
3532fa74
FB		 1828 struct target_msghdr *msgp;
1829 struct msghdr msg;
1830 int count;
1831 struct iovec *vec;
992f48a0 1832 abi_ulong target_vec;
3532fa74 1833
579a97f7
FB		 1834 /* FIXME */
1835 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1836 msgp,
1837 target_msg,
1838 send ? 1 : 0))
1839 return -TARGET_EFAULT;
3532fa74
FB		 1840 if (msgp->msg_name) {
1841 msg.msg_namelen = tswap32(msgp->msg_namelen);
1842 msg.msg_name = alloca(msg.msg_namelen);
cbb21eed 1843 ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
3532fa74 1844 msg.msg_namelen);
917507b0
AP		 1845 if (ret) {
1846 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1847 return ret;
1848 }
3532fa74
FB		 1849 } else {
1850 msg.msg_name = NULL;
1851 msg.msg_namelen = 0;
1852 }
cbb21eed 1853 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3532fa74
FB		 1854 msg.msg_control = alloca(msg.msg_controllen);
1855 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1856
cbb21eed 1857 count = tswapal(msgp->msg_iovlen);
3532fa74 1858 vec = alloca(count * sizeof(struct iovec));
cbb21eed 1859 target_vec = tswapal(msgp->msg_iov);
579a97f7 1860 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1861 msg.msg_iovlen = count;
1862 msg.msg_iov = vec;
3b46e624 1863
3532fa74 1864 if (send) {
5a4a898d
FB		 1865 ret = target_to_host_cmsg(&msg, msgp);
1866 if (ret == 0)
1867 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1868 } else {
1869 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1870 if (!is_error(ret)) {
1871 len = ret;
5a4a898d 1872 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1873 if (!is_error(ret))
1874 ret = len;
1875 }
3532fa74
FB		 1876 }
1877 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1878 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1879 return ret;
1880}
1881
0da46a6e 1882/* do_accept() Must return target values and target errnos. */
992f48a0 1883static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1884 abi_ulong target_addrlen_addr)
1be9e1dc 1885{
2f619698
FB		 1886 socklen_t addrlen;
1887 void *addr;
992f48a0 1888 abi_long ret;
1be9e1dc 1889
917507b0
AP		 1890 if (target_addr == 0)
1891 return get_errno(accept(fd, NULL, NULL));
1892
1893 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1894 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1895 return -TARGET_EINVAL;
2f619698 1896
38724253 1897 if ((int)addrlen < 0) {
8f7aeaf6 1898 return -TARGET_EINVAL;
38724253 1899 }
8f7aeaf6 1900
917507b0
AP		 1901 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1902 return -TARGET_EINVAL;
1903
2f619698
FB		 1904 addr = alloca(addrlen);
1905
1be9e1dc
PB		 1906 ret = get_errno(accept(fd, addr, &addrlen));
1907 if (!is_error(ret)) {
1908 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1909 if (put_user_u32(addrlen, target_addrlen_addr))
1910 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1911 }
1912 return ret;
1913}
1914
0da46a6e 1915/* do_getpeername() Must return target values and target errnos. */
992f48a0 1916static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1917 abi_ulong target_addrlen_addr)
1be9e1dc 1918{
2f619698
FB		 1919 socklen_t addrlen;
1920 void *addr;
992f48a0 1921 abi_long ret;
1be9e1dc 1922
2f619698
FB		 1923 if (get_user_u32(addrlen, target_addrlen_addr))
1924 return -TARGET_EFAULT;
1925
38724253 1926 if ((int)addrlen < 0) {
8f7aeaf6 1927 return -TARGET_EINVAL;
38724253 1928 }
8f7aeaf6 1929
917507b0
AP		 1930 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1931 return -TARGET_EFAULT;
1932
2f619698
FB		 1933 addr = alloca(addrlen);
1934
1be9e1dc
PB		 1935 ret = get_errno(getpeername(fd, addr, &addrlen));
1936 if (!is_error(ret)) {
1937 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1938 if (put_user_u32(addrlen, target_addrlen_addr))
1939 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1940 }
1941 return ret;
1942}
1943
0da46a6e 1944/* do_getsockname() Must return target values and target errnos. */
992f48a0 1945static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1946 abi_ulong target_addrlen_addr)
1be9e1dc 1947{
2f619698
FB		 1948 socklen_t addrlen;
1949 void *addr;
992f48a0 1950 abi_long ret;
1be9e1dc 1951
2f619698
FB		 1952 if (get_user_u32(addrlen, target_addrlen_addr))
1953 return -TARGET_EFAULT;
1954
38724253 1955 if ((int)addrlen < 0) {
8f7aeaf6 1956 return -TARGET_EINVAL;
38724253 1957 }
8f7aeaf6 1958
917507b0
AP		 1959 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1960 return -TARGET_EFAULT;
1961
2f619698
FB		 1962 addr = alloca(addrlen);
1963
1be9e1dc
PB		 1964 ret = get_errno(getsockname(fd, addr, &addrlen));
1965 if (!is_error(ret)) {
1966 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1967 if (put_user_u32(addrlen, target_addrlen_addr))
1968 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1969 }
1970 return ret;
1971}
1972
0da46a6e 1973/* do_socketpair() Must return target values and target errnos. */
992f48a0 1974static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1975 abi_ulong target_tab_addr)
1be9e1dc
PB		 1976{
1977 int tab[2];
992f48a0 1978 abi_long ret;
1be9e1dc
PB		 1979
1980 ret = get_errno(socketpair(domain, type, protocol, tab));
1981 if (!is_error(ret)) {
2f619698
FB		 1982 if (put_user_s32(tab[0], target_tab_addr)
1983 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1984 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1985 }
1986 return ret;
1987}
1988
0da46a6e 1989/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1990static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1991 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1992{
1993 void *addr;
1994 void *host_msg;
992f48a0 1995 abi_long ret;
1be9e1dc 1996
38724253 1997 if ((int)addrlen < 0) {
8f7aeaf6 1998 return -TARGET_EINVAL;
38724253 1999 }
8f7aeaf6 2000
579a97f7
FB		 2001 host_msg = lock_user(VERIFY_READ, msg, len, 1);
2002 if (!host_msg)
2003 return -TARGET_EFAULT;
1be9e1dc
PB		 2004 if (target_addr) {
2005 addr = alloca(addrlen);
917507b0
AP		 2006 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2007 if (ret) {
2008 unlock_user(host_msg, msg, 0);
2009 return ret;
2010 }
1be9e1dc
PB		 2011 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
2012 } else {
2013 ret = get_errno(send(fd, host_msg, len, flags));
2014 }
2015 unlock_user(host_msg, msg, 0);
2016 return ret;
2017}
2018
0da46a6e 2019/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 2020static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
2021 abi_ulong target_addr,
2022 abi_ulong target_addrlen)
1be9e1dc
PB		 2023{
2024 socklen_t addrlen;
2025 void *addr;
2026 void *host_msg;
992f48a0 2027 abi_long ret;
1be9e1dc 2028
579a97f7
FB		 2029 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
2030 if (!host_msg)
2031 return -TARGET_EFAULT;
1be9e1dc 2032 if (target_addr) {
2f619698
FB		 2033 if (get_user_u32(addrlen, target_addrlen)) {
2034 ret = -TARGET_EFAULT;
2035 goto fail;
2036 }
38724253 2037 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 2038 ret = -TARGET_EINVAL;
2039 goto fail;
2040 }
1be9e1dc
PB		 2041 addr = alloca(addrlen);
2042 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
2043 } else {
2044 addr = NULL; /* To keep compiler quiet. */
00aa0040 2045 ret = get_errno(qemu_recv(fd, host_msg, len, flags));
1be9e1dc
PB		 2046 }
2047 if (!is_error(ret)) {
2048 if (target_addr) {
2049 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2050 if (put_user_u32(addrlen, target_addrlen)) {
2051 ret = -TARGET_EFAULT;
2052 goto fail;
2053 }
1be9e1dc
PB		 2054 }
2055 unlock_user(host_msg, msg, len);
2056 } else {
2f619698 2057fail:
1be9e1dc
PB		 2058 unlock_user(host_msg, msg, 0);
2059 }
2060 return ret;
2061}
2062
32407103 2063#ifdef TARGET_NR_socketcall
0da46a6e 2064/* do_socketcall() Must return target values and target errnos. */
992f48a0 2065static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 2066{
992f48a0
BS		 2067 abi_long ret;
2068 const int n = sizeof(abi_ulong);
31e31b8a
FB		 2069
2070 switch(num) {
2071 case SOCKOP_socket:
7854b056 2072 {
98818189 2073 abi_ulong domain, type, protocol;
2f619698 2074
98818189
UH		 2075 if (get_user_ual(domain, vptr)
2076 || get_user_ual(type, vptr + n)
2077 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 2078 return -TARGET_EFAULT;
2079
3532fa74 2080 ret = do_socket(domain, type, protocol);
7854b056 2081 }
31e31b8a
FB		 2082 break;
2083 case SOCKOP_bind:
7854b056 2084 {
98818189 2085 abi_ulong sockfd;
2f619698
FB		 2086 abi_ulong target_addr;
2087 socklen_t addrlen;
2088
98818189 2089 if (get_user_ual(sockfd, vptr)
2f619698 2090 || get_user_ual(target_addr, vptr + n)
98818189 2091 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 2092 return -TARGET_EFAULT;
2093
3532fa74 2094 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 2095 }
31e31b8a
FB		 2096 break;
2097 case SOCKOP_connect:
7854b056 2098 {
98818189 2099 abi_ulong sockfd;
2f619698
FB		 2100 abi_ulong target_addr;
2101 socklen_t addrlen;
2102
98818189 2103 if (get_user_ual(sockfd, vptr)
2f619698 2104 || get_user_ual(target_addr, vptr + n)
98818189 2105 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 2106 return -TARGET_EFAULT;
2107
3532fa74 2108 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 2109 }
31e31b8a
FB		 2110 break;
2111 case SOCKOP_listen:
7854b056 2112 {
98818189 2113 abi_ulong sockfd, backlog;
2f619698 2114
98818189
UH		 2115 if (get_user_ual(sockfd, vptr)
2116 || get_user_ual(backlog, vptr + n))
2f619698
FB		 2117 return -TARGET_EFAULT;
2118
7854b056
FB		 2119 ret = get_errno(listen(sockfd, backlog));
2120 }
31e31b8a
FB		 2121 break;
2122 case SOCKOP_accept:
2123 {
98818189 2124 abi_ulong sockfd;
2f619698
FB		 2125 abi_ulong target_addr, target_addrlen;
2126
98818189 2127 if (get_user_ual(sockfd, vptr)
2f619698 2128 || get_user_ual(target_addr, vptr + n)
98818189 2129 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2130 return -TARGET_EFAULT;
2131
1be9e1dc 2132 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2133 }
2134 break;
2135 case SOCKOP_getsockname:
2136 {
98818189 2137 abi_ulong sockfd;
2f619698
FB		 2138 abi_ulong target_addr, target_addrlen;
2139
98818189 2140 if (get_user_ual(sockfd, vptr)
2f619698 2141 || get_user_ual(target_addr, vptr + n)
98818189 2142 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2143 return -TARGET_EFAULT;
2144
1be9e1dc 2145 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2146 }
2147 break;
2148 case SOCKOP_getpeername:
2149 {
98818189 2150 abi_ulong sockfd;
2f619698
FB		 2151 abi_ulong target_addr, target_addrlen;
2152
98818189 2153 if (get_user_ual(sockfd, vptr)
2f619698 2154 || get_user_ual(target_addr, vptr + n)
98818189 2155 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2156 return -TARGET_EFAULT;
2157
1be9e1dc 2158 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2159 }
2160 break;
2161 case SOCKOP_socketpair:
2162 {
98818189 2163 abi_ulong domain, type, protocol;
2f619698
FB		 2164 abi_ulong tab;
2165
98818189
UH		 2166 if (get_user_ual(domain, vptr)
2167 || get_user_ual(type, vptr + n)
2168 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 2169 || get_user_ual(tab, vptr + 3 * n))
2170 return -TARGET_EFAULT;
2171
1be9e1dc 2172 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 2173 }
2174 break;
2175 case SOCKOP_send:
7854b056 2176 {
98818189 2177 abi_ulong sockfd;
2f619698
FB		 2178 abi_ulong msg;
2179 size_t len;
98818189 2180 abi_ulong flags;
2f619698 2181
98818189 2182 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2183 || get_user_ual(msg, vptr + n)
2184 || get_user_ual(len, vptr + 2 * n)
98818189 2185 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2186 return -TARGET_EFAULT;
2187
1be9e1dc 2188 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 2189 }
31e31b8a
FB		 2190 break;
2191 case SOCKOP_recv:
7854b056 2192 {
98818189 2193 abi_ulong sockfd;
2f619698
FB		 2194 abi_ulong msg;
2195 size_t len;
98818189 2196 abi_ulong flags;
2f619698 2197
98818189 2198 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2199 || get_user_ual(msg, vptr + n)
2200 || get_user_ual(len, vptr + 2 * n)
98818189 2201 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2202 return -TARGET_EFAULT;
2203
1be9e1dc 2204 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 2205 }
31e31b8a
FB		 2206 break;
2207 case SOCKOP_sendto:
7854b056 2208 {
98818189 2209 abi_ulong sockfd;
2f619698
FB		 2210 abi_ulong msg;
2211 size_t len;
98818189 2212 abi_ulong flags;
2f619698
FB		 2213 abi_ulong addr;
2214 socklen_t addrlen;
2215
98818189 2216 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2217 || get_user_ual(msg, vptr + n)
2218 || get_user_ual(len, vptr + 2 * n)
98818189 2219 || get_user_ual(flags, vptr + 3 * n)
2f619698 2220 || get_user_ual(addr, vptr + 4 * n)
98818189 2221 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2222 return -TARGET_EFAULT;
2223
1be9e1dc 2224 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 2225 }
31e31b8a
FB		 2226 break;
2227 case SOCKOP_recvfrom:
2228 {
98818189 2229 abi_ulong sockfd;
2f619698
FB		 2230 abi_ulong msg;
2231 size_t len;
98818189 2232 abi_ulong flags;
2f619698
FB		 2233 abi_ulong addr;
2234 socklen_t addrlen;
2235
98818189 2236 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2237 || get_user_ual(msg, vptr + n)
2238 || get_user_ual(len, vptr + 2 * n)
98818189 2239 || get_user_ual(flags, vptr + 3 * n)
2f619698 2240 || get_user_ual(addr, vptr + 4 * n)
98818189 2241 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2242 return -TARGET_EFAULT;
2243
1be9e1dc 2244 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 2245 }
2246 break;
2247 case SOCKOP_shutdown:
7854b056 2248 {
98818189 2249 abi_ulong sockfd, how;
2f619698 2250
98818189
UH		 2251 if (get_user_ual(sockfd, vptr)
2252 || get_user_ual(how, vptr + n))
2f619698 2253 return -TARGET_EFAULT;
7854b056
FB		 2254
2255 ret = get_errno(shutdown(sockfd, how));
2256 }
31e31b8a
FB		 2257 break;
2258 case SOCKOP_sendmsg:
2259 case SOCKOP_recvmsg:
1a9353d2 2260 {
98818189 2261 abi_ulong fd;
992f48a0 2262 abi_ulong target_msg;
98818189 2263 abi_ulong flags;
1a9353d2 2264
98818189 2265 if (get_user_ual(fd, vptr)
2f619698 2266 || get_user_ual(target_msg, vptr + n)
98818189 2267 || get_user_ual(flags, vptr + 2 * n))
2f619698 2268 return -TARGET_EFAULT;
3532fa74 2269
5fafdf24 2270 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 2271 (num == SOCKOP_sendmsg));
1a9353d2
FB		 2272 }
2273 break;
31e31b8a 2274 case SOCKOP_setsockopt:
7854b056 2275 {
98818189
UH		 2276 abi_ulong sockfd;
2277 abi_ulong level;
2278 abi_ulong optname;
2f619698
FB		 2279 abi_ulong optval;
2280 socklen_t optlen;
2281
98818189
UH		 2282 if (get_user_ual(sockfd, vptr)
2283 || get_user_ual(level, vptr + n)
2284 || get_user_ual(optname, vptr + 2 * n)
2f619698 2285 || get_user_ual(optval, vptr + 3 * n)
98818189 2286 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2287 return -TARGET_EFAULT;
7854b056
FB		 2288
2289 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2290 }
2291 break;
31e31b8a 2292 case SOCKOP_getsockopt:
7854b056 2293 {
98818189
UH		 2294 abi_ulong sockfd;
2295 abi_ulong level;
2296 abi_ulong optname;
2f619698
FB		 2297 abi_ulong optval;
2298 socklen_t optlen;
2299
98818189
UH		 2300 if (get_user_ual(sockfd, vptr)
2301 || get_user_ual(level, vptr + n)
2302 || get_user_ual(optname, vptr + 2 * n)
2f619698 2303 || get_user_ual(optval, vptr + 3 * n)
98818189 2304 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2305 return -TARGET_EFAULT;
7854b056 2306
2f619698 2307 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2308 }
2309 break;
31e31b8a
FB		 2310 default:
2311 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2312 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2313 break;
2314 }
2315 return ret;
2316}
32407103 2317#endif
31e31b8a 2318
8853f86e
FB		 2319#define N_SHM_REGIONS 32
2320
2321static struct shm_region {
5a4a898d
FB		 2322 abi_ulong start;
2323 abi_ulong size;
8853f86e
FB		 2324} shm_regions[N_SHM_REGIONS];
2325
3eb6b044
TS		 2326struct target_ipc_perm
2327{
992f48a0
BS		 2328 abi_long __key;
2329 abi_ulong uid;
2330 abi_ulong gid;
2331 abi_ulong cuid;
2332 abi_ulong cgid;
3eb6b044
TS		 2333 unsigned short int mode;
2334 unsigned short int __pad1;
2335 unsigned short int __seq;
2336 unsigned short int __pad2;
992f48a0
BS		 2337 abi_ulong __unused1;
2338 abi_ulong __unused2;
3eb6b044
TS		 2339};
2340
2341struct target_semid_ds
2342{
2343 struct target_ipc_perm sem_perm;
992f48a0
BS		 2344 abi_ulong sem_otime;
2345 abi_ulong __unused1;
2346 abi_ulong sem_ctime;
2347 abi_ulong __unused2;
2348 abi_ulong sem_nsems;
2349 abi_ulong __unused3;
2350 abi_ulong __unused4;
3eb6b044
TS		 2351};
2352
579a97f7
FB		 2353static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2354 abi_ulong target_addr)
3eb6b044
TS		 2355{
2356 struct target_ipc_perm *target_ip;
2357 struct target_semid_ds *target_sd;
2358
579a97f7
FB		 2359 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2360 return -TARGET_EFAULT;
e8bbe36c 2361 target_ip = &(target_sd->sem_perm);
cbb21eed
MB		 2362 host_ip->__key = tswapal(target_ip->__key);
2363 host_ip->uid = tswapal(target_ip->uid);
2364 host_ip->gid = tswapal(target_ip->gid);
2365 host_ip->cuid = tswapal(target_ip->cuid);
2366 host_ip->cgid = tswapal(target_ip->cgid);
2367 host_ip->mode = tswap16(target_ip->mode);
3eb6b044 2368 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2369 return 0;
3eb6b044
TS		 2370}
2371
579a97f7
FB		 2372static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2373 struct ipc_perm *host_ip)
3eb6b044
TS		 2374{
2375 struct target_ipc_perm *target_ip;
2376 struct target_semid_ds *target_sd;
2377
579a97f7
FB		 2378 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2379 return -TARGET_EFAULT;
3eb6b044 2380 target_ip = &(target_sd->sem_perm);
cbb21eed
MB		 2381 target_ip->__key = tswapal(host_ip->__key);
2382 target_ip->uid = tswapal(host_ip->uid);
2383 target_ip->gid = tswapal(host_ip->gid);
2384 target_ip->cuid = tswapal(host_ip->cuid);
2385 target_ip->cgid = tswapal(host_ip->cgid);
2386 target_ip->mode = tswap16(host_ip->mode);
3eb6b044 2387 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2388 return 0;
3eb6b044
TS		 2389}
2390
579a97f7
FB		 2391static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2392 abi_ulong target_addr)
3eb6b044
TS		 2393{
2394 struct target_semid_ds *target_sd;
2395
579a97f7
FB		 2396 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2397 return -TARGET_EFAULT;
e5289087
AJ		 2398 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2399 return -TARGET_EFAULT;
cbb21eed
MB		 2400 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
2401 host_sd->sem_otime = tswapal(target_sd->sem_otime);
2402 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3eb6b044 2403 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2404 return 0;
3eb6b044
TS		 2405}
2406
579a97f7
FB		 2407static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2408 struct semid_ds *host_sd)
3eb6b044
TS		 2409{
2410 struct target_semid_ds *target_sd;
2411
579a97f7
FB		 2412 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2413 return -TARGET_EFAULT;
e5289087 2414 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3a93113a 2415 return -TARGET_EFAULT;
cbb21eed
MB		 2416 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
2417 target_sd->sem_otime = tswapal(host_sd->sem_otime);
2418 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3eb6b044 2419 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2420 return 0;
3eb6b044
TS		 2421}
2422
e5289087
AJ		 2423struct target_seminfo {
2424 int semmap;
2425 int semmni;
2426 int semmns;
2427 int semmnu;
2428 int semmsl;
2429 int semopm;
2430 int semume;
2431 int semusz;
2432 int semvmx;
2433 int semaem;
2434};
2435
2436static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2437 struct seminfo *host_seminfo)
2438{
2439 struct target_seminfo *target_seminfo;
2440 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2441 return -TARGET_EFAULT;
2442 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2443 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2444 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2445 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2446 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2447 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2448 __put_user(host_seminfo->semume, &target_seminfo->semume);
2449 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2450 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2451 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2452 unlock_user_struct(target_seminfo, target_addr, 1);
2453 return 0;
2454}
2455
fa294816
TS		 2456union semun {
2457 int val;
3eb6b044 2458 struct semid_ds *buf;
fa294816 2459 unsigned short *array;
e5289087 2460 struct seminfo *__buf;
fa294816
TS		 2461};
2462
3eb6b044
TS		 2463union target_semun {
2464 int val;
e5289087
AJ		 2465 abi_ulong buf;
2466 abi_ulong array;
2467 abi_ulong __buf;
3eb6b044
TS		 2468};
2469
e5289087
AJ		 2470static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2471 abi_ulong target_addr)
3eb6b044 2472{
e5289087
AJ		 2473 int nsems;
2474 unsigned short *array;
2475 union semun semun;
2476 struct semid_ds semid_ds;
2477 int i, ret;
3eb6b044 2478
e5289087
AJ		 2479 semun.buf = &semid_ds;
2480
2481 ret = semctl(semid, 0, IPC_STAT, semun);
2482 if (ret == -1)
2483 return get_errno(ret);
2484
2485 nsems = semid_ds.sem_nsems;
2486
2487 *host_array = malloc(nsems*sizeof(unsigned short));
2488 array = lock_user(VERIFY_READ, target_addr,
2489 nsems*sizeof(unsigned short), 1);
2490 if (!array)
2491 return -TARGET_EFAULT;
2492
2493 for(i=0; i<nsems; i++) {
2494 __get_user((*host_array)[i], &array[i]);
3eb6b044 2495 }
e5289087
AJ		 2496 unlock_user(array, target_addr, 0);
2497
579a97f7 2498 return 0;
3eb6b044
TS		 2499}
2500
e5289087
AJ		 2501static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2502 unsigned short **host_array)
3eb6b044 2503{
e5289087
AJ		 2504 int nsems;
2505 unsigned short *array;
2506 union semun semun;
2507 struct semid_ds semid_ds;
2508 int i, ret;
3eb6b044 2509
e5289087
AJ		 2510 semun.buf = &semid_ds;
2511
2512 ret = semctl(semid, 0, IPC_STAT, semun);
2513 if (ret == -1)
2514 return get_errno(ret);
2515
2516 nsems = semid_ds.sem_nsems;
2517
2518 array = lock_user(VERIFY_WRITE, target_addr,
2519 nsems*sizeof(unsigned short), 0);
2520 if (!array)
2521 return -TARGET_EFAULT;
2522
2523 for(i=0; i<nsems; i++) {
2524 __put_user((*host_array)[i], &array[i]);
3eb6b044 2525 }
e5289087
AJ		 2526 free(*host_array);
2527 unlock_user(array, target_addr, 1);
2528
579a97f7 2529 return 0;
3eb6b044
TS		 2530}
2531
e5289087
AJ		 2532static inline abi_long do_semctl(int semid, int semnum, int cmd,
2533 union target_semun target_su)
3eb6b044
TS		 2534{
2535 union semun arg;
2536 struct semid_ds dsarg;
7b8118e8 2537 unsigned short *array = NULL;
e5289087
AJ		 2538 struct seminfo seminfo;
2539 abi_long ret = -TARGET_EINVAL;
2540 abi_long err;
2541 cmd &= 0xff;
3eb6b044
TS		 2542
2543 switch( cmd ) {
2544 case GETVAL:
3eb6b044 2545 case SETVAL:
cbb21eed 2546 arg.val = tswap32(target_su.val);
e5289087 2547 ret = get_errno(semctl(semid, semnum, cmd, arg));
cbb21eed 2548 target_su.val = tswap32(arg.val);
3eb6b044
TS		 2549 break;
2550 case GETALL:
3eb6b044 2551 case SETALL:
e5289087
AJ		 2552 err = target_to_host_semarray(semid, &array, target_su.array);
2553 if (err)
2554 return err;
2555 arg.array = array;
2556 ret = get_errno(semctl(semid, semnum, cmd, arg));
2557 err = host_to_target_semarray(semid, target_su.array, &array);
2558 if (err)
2559 return err;
3eb6b044
TS		 2560 break;
2561 case IPC_STAT:
3eb6b044 2562 case IPC_SET:
e5289087
AJ		 2563 case SEM_STAT:
2564 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2565 if (err)
2566 return err;
2567 arg.buf = &dsarg;
2568 ret = get_errno(semctl(semid, semnum, cmd, arg));
2569 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2570 if (err)
2571 return err;
2572 break;
2573 case IPC_INFO:
2574 case SEM_INFO:
2575 arg.__buf = &seminfo;
2576 ret = get_errno(semctl(semid, semnum, cmd, arg));
2577 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2578 if (err)
2579 return err;
2580 break;
2581 case IPC_RMID:
2582 case GETPID:
2583 case GETNCNT:
2584 case GETZCNT:
2585 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2586 break;
3eb6b044
TS		 2587 }
2588
2589 return ret;
2590}
2591
e5289087
AJ		 2592struct target_sembuf {
2593 unsigned short sem_num;
2594 short sem_op;
2595 short sem_flg;
2596};
2597
2598static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2599 abi_ulong target_addr,
2600 unsigned nsops)
2601{
2602 struct target_sembuf *target_sembuf;
2603 int i;
2604
2605 target_sembuf = lock_user(VERIFY_READ, target_addr,
2606 nsops*sizeof(struct target_sembuf), 1);
2607 if (!target_sembuf)
2608 return -TARGET_EFAULT;
2609
2610 for(i=0; i<nsops; i++) {
2611 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2612 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2613 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2614 }
2615
2616 unlock_user(target_sembuf, target_addr, 0);
2617
2618 return 0;
2619}
2620
2621static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2622{
2623 struct sembuf sops[nsops];
2624
2625 if (target_to_host_sembuf(sops, ptr, nsops))
2626 return -TARGET_EFAULT;
2627
2628 return semop(semid, sops, nsops);
2629}
2630
1bc012f6
TS		 2631struct target_msqid_ds
2632{
1c54ff97
AJ		 2633 struct target_ipc_perm msg_perm;
2634 abi_ulong msg_stime;
2635#if TARGET_ABI_BITS == 32
2636 abi_ulong __unused1;
2637#endif
2638 abi_ulong msg_rtime;
2639#if TARGET_ABI_BITS == 32
2640 abi_ulong __unused2;
2641#endif
2642 abi_ulong msg_ctime;
2643#if TARGET_ABI_BITS == 32
2644 abi_ulong __unused3;
2645#endif
2646 abi_ulong __msg_cbytes;
2647 abi_ulong msg_qnum;
2648 abi_ulong msg_qbytes;
2649 abi_ulong msg_lspid;
2650 abi_ulong msg_lrpid;
2651 abi_ulong __unused4;
2652 abi_ulong __unused5;
1bc012f6
TS		 2653};
2654
579a97f7
FB		 2655static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2656 abi_ulong target_addr)
1bc012f6
TS		 2657{
2658 struct target_msqid_ds *target_md;
2659
579a97f7
FB		 2660 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2661 return -TARGET_EFAULT;
1c54ff97
AJ		 2662 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2663 return -TARGET_EFAULT;
cbb21eed
MB		 2664 host_md->msg_stime = tswapal(target_md->msg_stime);
2665 host_md->msg_rtime = tswapal(target_md->msg_rtime);
2666 host_md->msg_ctime = tswapal(target_md->msg_ctime);
2667 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
2668 host_md->msg_qnum = tswapal(target_md->msg_qnum);
2669 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
2670 host_md->msg_lspid = tswapal(target_md->msg_lspid);
2671 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
1bc012f6 2672 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2673 return 0;
1bc012f6
TS		 2674}
2675
579a97f7
FB		 2676static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2677 struct msqid_ds *host_md)
1bc012f6
TS		 2678{
2679 struct target_msqid_ds *target_md;
2680
579a97f7
FB		 2681 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2682 return -TARGET_EFAULT;
1c54ff97
AJ		 2683 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2684 return -TARGET_EFAULT;
cbb21eed
MB		 2685 target_md->msg_stime = tswapal(host_md->msg_stime);
2686 target_md->msg_rtime = tswapal(host_md->msg_rtime);
2687 target_md->msg_ctime = tswapal(host_md->msg_ctime);
2688 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
2689 target_md->msg_qnum = tswapal(host_md->msg_qnum);
2690 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
2691 target_md->msg_lspid = tswapal(host_md->msg_lspid);
2692 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
1bc012f6 2693 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2694 return 0;
1bc012f6
TS		 2695}
2696
1c54ff97
AJ		 2697struct target_msginfo {
2698 int msgpool;
2699 int msgmap;
2700 int msgmax;
2701 int msgmnb;
2702 int msgmni;
2703 int msgssz;
2704 int msgtql;
2705 unsigned short int msgseg;
2706};
2707
2708static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2709 struct msginfo *host_msginfo)
2710{
2711 struct target_msginfo *target_msginfo;
2712 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2713 return -TARGET_EFAULT;
2714 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2715 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2716 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2717 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2718 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2719 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2720 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2721 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2722 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2723 return 0;
1c54ff97
AJ		 2724}
2725
2726static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2727{
2728 struct msqid_ds dsarg;
1c54ff97
AJ		 2729 struct msginfo msginfo;
2730 abi_long ret = -TARGET_EINVAL;
2731
2732 cmd &= 0xff;
2733
2734 switch (cmd) {
1bc012f6
TS		 2735 case IPC_STAT:
2736 case IPC_SET:
1c54ff97
AJ		 2737 case MSG_STAT:
2738 if (target_to_host_msqid_ds(&dsarg,ptr))
2739 return -TARGET_EFAULT;
2740 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2741 if (host_to_target_msqid_ds(ptr,&dsarg))
2742 return -TARGET_EFAULT;
2743 break;
2744 case IPC_RMID:
2745 ret = get_errno(msgctl(msgid, cmd, NULL));
2746 break;
2747 case IPC_INFO:
2748 case MSG_INFO:
2749 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2750 if (host_to_target_msginfo(ptr, &msginfo))
2751 return -TARGET_EFAULT;
2752 break;
1bc012f6 2753 }
1c54ff97 2754
1bc012f6
TS		 2755 return ret;
2756}
2757
2758struct target_msgbuf {
1c54ff97
AJ		 2759 abi_long mtype;
2760 char mtext[1];
1bc012f6
TS		 2761};
2762
992f48a0
BS		 2763static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2764 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2765{
2766 struct target_msgbuf *target_mb;
2767 struct msgbuf *host_mb;
992f48a0 2768 abi_long ret = 0;
1bc012f6 2769
579a97f7
FB		 2770 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2771 return -TARGET_EFAULT;
1bc012f6 2772 host_mb = malloc(msgsz+sizeof(long));
cbb21eed 2773 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
1c54ff97 2774 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2775 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2776 free(host_mb);
2777 unlock_user_struct(target_mb, msgp, 0);
2778
2779 return ret;
2780}
2781
992f48a0 2782static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2783 unsigned int msgsz, abi_long msgtyp,
992f48a0 2784 int msgflg)
1bc012f6
TS		 2785{
2786 struct target_msgbuf *target_mb;
579a97f7 2787 char *target_mtext;
1bc012f6 2788 struct msgbuf *host_mb;
992f48a0 2789 abi_long ret = 0;
1bc012f6 2790
579a97f7
FB		 2791 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2792 return -TARGET_EFAULT;
1c54ff97 2793
1bc012f6 2794 host_mb = malloc(msgsz+sizeof(long));
cbb21eed 2795 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapal(msgtyp), msgflg));
1c54ff97 2796
579a97f7
FB		 2797 if (ret > 0) {
2798 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2799 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2800 if (!target_mtext) {
2801 ret = -TARGET_EFAULT;
2802 goto end;
2803 }
1c54ff97 2804 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2805 unlock_user(target_mtext, target_mtext_addr, ret);
2806 }
1c54ff97 2807
cbb21eed 2808 target_mb->mtype = tswapal(host_mb->mtype);
1bc012f6 2809 free(host_mb);
1bc012f6 2810
579a97f7
FB		 2811end:
2812 if (target_mb)
2813 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2814 return ret;
2815}
2816
88a8c984
RV		 2817struct target_shmid_ds
2818{
2819 struct target_ipc_perm shm_perm;
2820 abi_ulong shm_segsz;
2821 abi_ulong shm_atime;
2822#if TARGET_ABI_BITS == 32
2823 abi_ulong __unused1;
2824#endif
2825 abi_ulong shm_dtime;
2826#if TARGET_ABI_BITS == 32
2827 abi_ulong __unused2;
2828#endif
2829 abi_ulong shm_ctime;
2830#if TARGET_ABI_BITS == 32
2831 abi_ulong __unused3;
2832#endif
2833 int shm_cpid;
2834 int shm_lpid;
2835 abi_ulong shm_nattch;
2836 unsigned long int __unused4;
2837 unsigned long int __unused5;
2838};
2839
2840static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2841 abi_ulong target_addr)
2842{
2843 struct target_shmid_ds *target_sd;
2844
2845 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2846 return -TARGET_EFAULT;
2847 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2848 return -TARGET_EFAULT;
2849 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2850 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2851 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2852 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2853 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2854 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2855 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2856 unlock_user_struct(target_sd, target_addr, 0);
2857 return 0;
2858}
2859
2860static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2861 struct shmid_ds *host_sd)
2862{
2863 struct target_shmid_ds *target_sd;
2864
2865 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2866 return -TARGET_EFAULT;
2867 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2868 return -TARGET_EFAULT;
2869 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2870 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2871 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2872 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2873 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2874 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2875 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2876 unlock_user_struct(target_sd, target_addr, 1);
2877 return 0;
2878}
2879
2880struct target_shminfo {
2881 abi_ulong shmmax;
2882 abi_ulong shmmin;
2883 abi_ulong shmmni;
2884 abi_ulong shmseg;
2885 abi_ulong shmall;
2886};
2887
2888static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2889 struct shminfo *host_shminfo)
2890{
2891 struct target_shminfo *target_shminfo;
2892 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2893 return -TARGET_EFAULT;
2894 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2895 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2896 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2897 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2898 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2899 unlock_user_struct(target_shminfo, target_addr, 1);
2900 return 0;
2901}
2902
2903struct target_shm_info {
2904 int used_ids;
2905 abi_ulong shm_tot;
2906 abi_ulong shm_rss;
2907 abi_ulong shm_swp;
2908 abi_ulong swap_attempts;
2909 abi_ulong swap_successes;
2910};
2911
2912static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2913 struct shm_info *host_shm_info)
2914{
2915 struct target_shm_info *target_shm_info;
2916 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2917 return -TARGET_EFAULT;
2918 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2919 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2920 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2921 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2922 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2923 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2924 unlock_user_struct(target_shm_info, target_addr, 1);
2925 return 0;
2926}
2927
2928static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2929{
2930 struct shmid_ds dsarg;
2931 struct shminfo shminfo;
2932 struct shm_info shm_info;
2933 abi_long ret = -TARGET_EINVAL;
2934
2935 cmd &= 0xff;
2936
2937 switch(cmd) {
2938 case IPC_STAT:
2939 case IPC_SET:
2940 case SHM_STAT:
2941 if (target_to_host_shmid_ds(&dsarg, buf))
2942 return -TARGET_EFAULT;
2943 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2944 if (host_to_target_shmid_ds(buf, &dsarg))
2945 return -TARGET_EFAULT;
2946 break;
2947 case IPC_INFO:
2948 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2949 if (host_to_target_shminfo(buf, &shminfo))
2950 return -TARGET_EFAULT;
2951 break;
2952 case SHM_INFO:
2953 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2954 if (host_to_target_shm_info(buf, &shm_info))
2955 return -TARGET_EFAULT;
2956 break;
2957 case IPC_RMID:
2958 case SHM_LOCK:
2959 case SHM_UNLOCK:
2960 ret = get_errno(shmctl(shmid, cmd, NULL));
2961 break;
2962 }
2963
2964 return ret;
2965}
2966
2967static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2968{
2969 abi_long raddr;
2970 void *host_raddr;
2971 struct shmid_ds shm_info;
2972 int i,ret;
2973
2974 /* find out the length of the shared memory segment */
2975 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2976 if (is_error(ret)) {
2977 /* can't get length, bail out */
2978 return ret;
2979 }
2980
2981 mmap_lock();
2982
2983 if (shmaddr)
2984 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2985 else {
2986 abi_ulong mmap_start;
2987
2988 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2989
2990 if (mmap_start == -1) {
2991 errno = ENOMEM;
2992 host_raddr = (void *)-1;
2993 } else
2994 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2995 }
2996
2997 if (host_raddr == (void *)-1) {
2998 mmap_unlock();
2999 return get_errno((long)host_raddr);
3000 }
3001 raddr=h2g((unsigned long)host_raddr);
3002
3003 page_set_flags(raddr, raddr + shm_info.shm_segsz,
3004 PAGE_VALID | PAGE_READ |
3005 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
3006
3007 for (i = 0; i < N_SHM_REGIONS; i++) {
3008 if (shm_regions[i].start == 0) {
3009 shm_regions[i].start = raddr;
3010 shm_regions[i].size = shm_info.shm_segsz;
3011 break;
3012 }
3013 }
3014
3015 mmap_unlock();
3016 return raddr;
3017
3018}
3019
3020static inline abi_long do_shmdt(abi_ulong shmaddr)
3021{
3022 int i;
3023
3024 for (i = 0; i < N_SHM_REGIONS; ++i) {
3025 if (shm_regions[i].start == shmaddr) {
3026 shm_regions[i].start = 0;
e00ac249 3027 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 3028 break;
3029 }
3030 }
3031
3032 return get_errno(shmdt(g2h(shmaddr)));
3033}
3034
1c54ff97 3035#ifdef TARGET_NR_ipc
53a5960a 3036/* ??? This only works with linear mappings. */
0da46a6e 3037/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 3038static abi_long do_ipc(unsigned int call, int first,
3039 int second, int third,
3040 abi_long ptr, abi_long fifth)
8853f86e
FB		 3041{
3042 int version;
992f48a0 3043 abi_long ret = 0;
8853f86e
FB		 3044
3045 version = call >> 16;
3046 call &= 0xffff;
3047
3048 switch (call) {
fa294816 3049 case IPCOP_semop:
e5289087 3050 ret = do_semop(first, ptr, second);
fa294816
TS		 3051 break;
3052
3053 case IPCOP_semget:
3054 ret = get_errno(semget(first, second, third));
3055 break;
3056
3057 case IPCOP_semctl:
e5289087 3058 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 3059 break;
d96372ef 3060
1c54ff97
AJ		 3061 case IPCOP_msgget:
3062 ret = get_errno(msgget(first, second));
3063 break;
d96372ef 3064
1c54ff97
AJ		 3065 case IPCOP_msgsnd:
3066 ret = do_msgsnd(first, ptr, second, third);
3067 break;
d96372ef 3068
1c54ff97
AJ		 3069 case IPCOP_msgctl:
3070 ret = do_msgctl(first, second, ptr);
3071 break;
d96372ef 3072
1c54ff97
AJ		 3073 case IPCOP_msgrcv:
3074 switch (version) {
3075 case 0:
3076 {
3077 struct target_ipc_kludge {
3078 abi_long msgp;
3079 abi_long msgtyp;
3080 } *tmp;
3081
3082 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
3083 ret = -TARGET_EFAULT;
3084 break;
3085 }
d96372ef 3086
1c54ff97 3087 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 3088
1c54ff97
AJ		 3089 unlock_user_struct(tmp, ptr, 0);
3090 break;
3091 }
3092 default:
3093 ret = do_msgrcv(first, ptr, second, fifth, third);
3094 }
3095 break;
d96372ef 3096
8853f86e 3097 case IPCOP_shmat:
88a8c984
RV		 3098 switch (version) {
3099 default:
5a4a898d
FB		 3100 {
3101 abi_ulong raddr;
88a8c984
RV		 3102 raddr = do_shmat(first, ptr, second);
3103 if (is_error(raddr))
3104 return get_errno(raddr);
2f619698 3105 if (put_user_ual(raddr, third))
5a4a898d 3106 return -TARGET_EFAULT;
88a8c984
RV		 3107 break;
3108 }
3109 case 1:
3110 ret = -TARGET_EINVAL;
3111 break;
5a4a898d 3112 }
8853f86e
FB		 3113 break;
3114 case IPCOP_shmdt:
88a8c984 3115 ret = do_shmdt(ptr);
8853f86e
FB		 3116 break;
3117
3118 case IPCOP_shmget:
3119 /* IPC_* flag values are the same on all linux platforms */
3120 ret = get_errno(shmget(first, second, third));
3121 break;
3122
3123 /* IPC_* and SHM_* command values are the same on all linux platforms */
3124 case IPCOP_shmctl:
88a8c984 3125 ret = do_shmctl(first, second, third);
8853f86e
FB		 3126 break;
3127 default:
32407103 3128 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 3129 ret = -TARGET_ENOSYS;
8853f86e
FB		 3130 break;
3131 }
3132 return ret;
3133}
32407103 3134#endif
8853f86e 3135
31e31b8a 3136/* kernel structure types definitions */
31e31b8a 3137
001faf32 3138#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 3139#define STRUCT_SPECIAL(name) STRUCT_ ## name,
3140enum {
3141#include "syscall_types.h"
3142};
3143#undef STRUCT
3144#undef STRUCT_SPECIAL
3145
001faf32 3146#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 3147#define STRUCT_SPECIAL(name)
3148#include "syscall_types.h"
3149#undef STRUCT
3150#undef STRUCT_SPECIAL
3151
d2ef05bb
PM		 3152typedef struct IOCTLEntry IOCTLEntry;
3153
3154typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
3155 int fd, abi_long cmd, abi_long arg);
3156
3157struct IOCTLEntry {
2ab83ea7
FB		 3158 unsigned int target_cmd;
3159 unsigned int host_cmd;
31e31b8a
FB		 3160 const char *name;
3161 int access;
d2ef05bb 3162 do_ioctl_fn *do_ioctl;
1a9353d2 3163 const argtype arg_type[5];
d2ef05bb 3164};
31e31b8a
FB		 3165
3166#define IOC_R 0x0001
3167#define IOC_W 0x0002
3168#define IOC_RW (IOC_R | IOC_W)
3169
3170#define MAX_STRUCT_SIZE 4096
3171
dace20dc 3172#ifdef CONFIG_FIEMAP
285da2b9
PM		 3173/* So fiemap access checks don't overflow on 32 bit systems.
3174 * This is very slightly smaller than the limit imposed by
3175 * the underlying kernel.
3176 */
3177#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3178 / sizeof(struct fiemap_extent))
3179
3180static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
3181 int fd, abi_long cmd, abi_long arg)
3182{
3183 /* The parameter for this ioctl is a struct fiemap followed
3184 * by an array of struct fiemap_extent whose size is set
3185 * in fiemap->fm_extent_count. The array is filled in by the
3186 * ioctl.
3187 */
3188 int target_size_in, target_size_out;
3189 struct fiemap *fm;
3190 const argtype *arg_type = ie->arg_type;
3191 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3192 void *argptr, *p;
3193 abi_long ret;
3194 int i, extent_size = thunk_type_size(extent_arg_type, 0);
3195 uint32_t outbufsz;
3196 int free_fm = 0;
3197
3198 assert(arg_type[0] == TYPE_PTR);
3199 assert(ie->access == IOC_RW);
3200 arg_type++;
3201 target_size_in = thunk_type_size(arg_type, 0);
3202 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3203 if (!argptr) {
3204 return -TARGET_EFAULT;
3205 }
3206 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3207 unlock_user(argptr, arg, 0);
3208 fm = (struct fiemap *)buf_temp;
3209 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3210 return -TARGET_EINVAL;
3211 }
3212
3213 outbufsz = sizeof (*fm) +
3214 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3215
3216 if (outbufsz > MAX_STRUCT_SIZE) {
3217 /* We can't fit all the extents into the fixed size buffer.
3218 * Allocate one that is large enough and use it instead.
3219 */
3220 fm = malloc(outbufsz);
3221 if (!fm) {
3222 return -TARGET_ENOMEM;
3223 }
3224 memcpy(fm, buf_temp, sizeof(struct fiemap));
3225 free_fm = 1;
3226 }
3227 ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3228 if (!is_error(ret)) {
3229 target_size_out = target_size_in;
3230 /* An extent_count of 0 means we were only counting the extents
3231 * so there are no structs to copy
3232 */
3233 if (fm->fm_extent_count != 0) {
3234 target_size_out += fm->fm_mapped_extents * extent_size;
3235 }
3236 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3237 if (!argptr) {
3238 ret = -TARGET_EFAULT;
3239 } else {
3240 /* Convert the struct fiemap */
3241 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3242 if (fm->fm_extent_count != 0) {
3243 p = argptr + target_size_in;
3244 /* ...and then all the struct fiemap_extents */
3245 for (i = 0; i < fm->fm_mapped_extents; i++) {
3246 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3247 THUNK_TARGET);
3248 p += extent_size;
3249 }
3250 }
3251 unlock_user(argptr, arg, target_size_out);
3252 }
3253 }
3254 if (free_fm) {
3255 free(fm);
3256 }
3257 return ret;
3258}
dace20dc 3259#endif
285da2b9 3260
059c2f2c
LV		 3261static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
3262 int fd, abi_long cmd, abi_long arg)
3263{
3264 const argtype *arg_type = ie->arg_type;
3265 int target_size;
3266 void *argptr;
3267 int ret;
3268 struct ifconf *host_ifconf;
3269 uint32_t outbufsz;
3270 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
3271 int target_ifreq_size;
3272 int nb_ifreq;
3273 int free_buf = 0;
3274 int i;
3275 int target_ifc_len;
3276 abi_long target_ifc_buf;
3277 int host_ifc_len;
3278 char *host_ifc_buf;
3279
3280 assert(arg_type[0] == TYPE_PTR);
3281 assert(ie->access == IOC_RW);
3282
3283 arg_type++;
3284 target_size = thunk_type_size(arg_type, 0);
3285
3286 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3287 if (!argptr)
3288 return -TARGET_EFAULT;
3289 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3290 unlock_user(argptr, arg, 0);
3291
3292 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
3293 target_ifc_len = host_ifconf->ifc_len;
3294 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
3295
3296 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
3297 nb_ifreq = target_ifc_len / target_ifreq_size;
3298 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
3299
3300 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
3301 if (outbufsz > MAX_STRUCT_SIZE) {
3302 /* We can't fit all the extents into the fixed size buffer.
3303 * Allocate one that is large enough and use it instead.
3304 */
3305 host_ifconf = malloc(outbufsz);
3306 if (!host_ifconf) {
3307 return -TARGET_ENOMEM;
3308 }
3309 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
3310 free_buf = 1;
3311 }
3312 host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
3313
3314 host_ifconf->ifc_len = host_ifc_len;
3315 host_ifconf->ifc_buf = host_ifc_buf;
3316
3317 ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
3318 if (!is_error(ret)) {
3319 /* convert host ifc_len to target ifc_len */
3320
3321 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
3322 target_ifc_len = nb_ifreq * target_ifreq_size;
3323 host_ifconf->ifc_len = target_ifc_len;
3324
3325 /* restore target ifc_buf */
3326
3327 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
3328
3329 /* copy struct ifconf to target user */
3330
3331 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3332 if (!argptr)
3333 return -TARGET_EFAULT;
3334 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
3335 unlock_user(argptr, arg, target_size);
3336
3337 /* copy ifreq[] to target user */
3338
3339 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
3340 for (i = 0; i < nb_ifreq ; i++) {
3341 thunk_convert(argptr + i * target_ifreq_size,
3342 host_ifc_buf + i * sizeof(struct ifreq),
3343 ifreq_arg_type, THUNK_TARGET);
3344 }
3345 unlock_user(argptr, target_ifc_buf, target_ifc_len);
3346 }
3347
3348 if (free_buf) {
3349 free(host_ifconf);
3350 }
3351
3352 return ret;
3353}
3354
9f106a75 3355static IOCTLEntry ioctl_entries[] = {
001faf32 3356#define IOCTL(cmd, access, ...) \
d2ef05bb
PM		 3357 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3358#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3359 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
31e31b8a
FB		 3360#include "ioctls.h"
3361 { 0, 0, },
3362};
3363
53a5960a 3364/* ??? Implement proper locking for ioctls. */
0da46a6e 3365/* do_ioctl() Must return target values and target errnos. */
992f48a0 3366static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 3367{
3368 const IOCTLEntry *ie;
3369 const argtype *arg_type;
992f48a0 3370 abi_long ret;
31e31b8a 3371 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 3372 int target_size;
3373 void *argptr;
31e31b8a
FB		 3374
3375 ie = ioctl_entries;
3376 for(;;) {
3377 if (ie->target_cmd == 0) {
32407103 3378 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 3379 return -TARGET_ENOSYS;
31e31b8a
FB		 3380 }
3381 if (ie->target_cmd == cmd)
3382 break;
3383 ie++;
3384 }
3385 arg_type = ie->arg_type;
9de5e440 3386#if defined(DEBUG)
32407103 3387 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 3388#endif
d2ef05bb
PM		 3389 if (ie->do_ioctl) {
3390 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3391 }
3392
31e31b8a
FB		 3393 switch(arg_type[0]) {
3394 case TYPE_NULL:
3395 /* no argument */
3396 ret = get_errno(ioctl(fd, ie->host_cmd));
3397 break;
3398 case TYPE_PTRVOID:
3399 case TYPE_INT:
3400 /* int argment */
3401 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3402 break;
3403 case TYPE_PTR:
3404 arg_type++;
53a5960a 3405 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 3406 switch(ie->access) {
3407 case IOC_R:
3408 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3409 if (!is_error(ret)) {
579a97f7
FB		 3410 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3411 if (!argptr)
3412 return -TARGET_EFAULT;
53a5960a
PB		 3413 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3414 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3415 }
3416 break;
3417 case IOC_W:
579a97f7
FB		 3418 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3419 if (!argptr)
3420 return -TARGET_EFAULT;
53a5960a
PB		 3421 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3422 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3423 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3424 break;
3425 default:
3426 case IOC_RW:
579a97f7
FB		 3427 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3428 if (!argptr)
3429 return -TARGET_EFAULT;
53a5960a
PB		 3430 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3431 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3432 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3433 if (!is_error(ret)) {
579a97f7
FB		 3434 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3435 if (!argptr)
3436 return -TARGET_EFAULT;
53a5960a
PB		 3437 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3438 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3439 }
3440 break;
3441 }
3442 break;
3443 default:
32407103
JM		 3444 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3445 (long)cmd, arg_type[0]);
0da46a6e 3446 ret = -TARGET_ENOSYS;
31e31b8a
FB		 3447 break;
3448 }
3449 return ret;
3450}
3451
b39bc503 3452static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 3453 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3454 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3455 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3456 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3457 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3458 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3459 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3460 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3461 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3462 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3463 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3464 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3465 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3466 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3467 { 0, 0, 0, 0 }
3468};
3469
b39bc503 3470static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3471 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3472 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3473 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3474 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3475 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3476 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3477 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3478 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3479 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3480 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3481 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3482 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3483 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3484 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3485 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3486 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3487 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3488 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3489 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3490 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3491 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3492 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3493 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3494 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3495 { 0, 0, 0, 0 }
3496};
3497
b39bc503 3498static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3499 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3500 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3501 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3502 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3503 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3504 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3505 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3506 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3507 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3508 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3509 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3510 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3511 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3512 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3513 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3514 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3515 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3516 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3517 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3518 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3519 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3520 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3521 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3522 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3523 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3524 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3525 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3526 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3527 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3528 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3529 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3530 { 0, 0, 0, 0 }
3531};
3532
b39bc503 3533static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3534 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3535 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3536 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3537 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3538 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3539 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3540 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3541 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3542 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3543 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3544 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3545 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3546 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3547 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3548 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3549 { 0, 0, 0, 0 }
3550};
3551
3552static void target_to_host_termios (void *dst, const void *src)
3553{
3554 struct host_termios *host = dst;
3555 const struct target_termios *target = src;
3b46e624 3556
5fafdf24 3557 host->c_iflag =
31e31b8a 3558 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3559 host->c_oflag =
31e31b8a 3560 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3561 host->c_cflag =
31e31b8a 3562 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3563 host->c_lflag =
31e31b8a
FB		 3564 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3565 host->c_line = target->c_line;
3b46e624 3566
44607123 3567 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3568 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3569 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3570 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3571 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3572 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3573 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3574 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3575 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3576 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3577 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3578 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3579 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3580 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3581 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3582 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3583 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3584 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3585}
3b46e624 3586
31e31b8a
FB		 3587static void host_to_target_termios (void *dst, const void *src)
3588{
3589 struct target_termios *target = dst;
3590 const struct host_termios *host = src;
3591
5fafdf24 3592 target->c_iflag =
31e31b8a 3593 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3594 target->c_oflag =
31e31b8a 3595 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3596 target->c_cflag =
31e31b8a 3597 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3598 target->c_lflag =
31e31b8a
FB		 3599 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3600 target->c_line = host->c_line;
3b46e624 3601
44607123 3602 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3603 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3604 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3605 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3606 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3607 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3608 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3609 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3610 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3611 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3612 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3613 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3614 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3615 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3616 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3617 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3618 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3619 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3620}
3621
8e853dc7 3622static const StructEntry struct_termios_def = {
31e31b8a
FB		 3623 .convert = { host_to_target_termios, target_to_host_termios },
3624 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3625 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3626};
3627
5286db75
FB		 3628static bitmask_transtbl mmap_flags_tbl[] = {
3629 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3630 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3631 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3632 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3633 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3634 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3635 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3636 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3637 { 0, 0, 0, 0 }
3638};
3639
2ab83ea7 3640#if defined(TARGET_I386)
6dbad63e
FB		 3641
3642/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3643static uint8_t *ldt_table;
6dbad63e 3644
03acab66 3645static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3646{
3647 int size;
53a5960a 3648 void *p;
6dbad63e
FB		 3649
3650 if (!ldt_table)
3651 return 0;
3652 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3653 if (size > bytecount)
3654 size = bytecount;
579a97f7
FB		 3655 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3656 if (!p)
03acab66 3657 return -TARGET_EFAULT;
579a97f7 3658 /* ??? Should this by byteswapped? */
53a5960a
PB		 3659 memcpy(p, ldt_table, size);
3660 unlock_user(p, ptr, size);
6dbad63e
FB		 3661 return size;
3662}
3663
3664/* XXX: add locking support */
03acab66
FB		 3665static abi_long write_ldt(CPUX86State *env,
3666 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3667{
3668 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3669 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3670 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3671 int seg_not_present, useable, lm;
6dbad63e
FB		 3672 uint32_t *lp, entry_1, entry_2;
3673
3674 if (bytecount != sizeof(ldt_info))
03acab66 3675 return -TARGET_EINVAL;
579a97f7 3676 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3677 return -TARGET_EFAULT;
53a5960a 3678 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 3679 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
53a5960a
PB		 3680 ldt_info.limit = tswap32(target_ldt_info->limit);
3681 ldt_info.flags = tswap32(target_ldt_info->flags);
3682 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3683
6dbad63e 3684 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3685 return -TARGET_EINVAL;
6dbad63e
FB		 3686 seg_32bit = ldt_info.flags & 1;
3687 contents = (ldt_info.flags >> 1) & 3;
3688 read_exec_only = (ldt_info.flags >> 3) & 1;
3689 limit_in_pages = (ldt_info.flags >> 4) & 1;
3690 seg_not_present = (ldt_info.flags >> 5) & 1;
3691 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3692#ifdef TARGET_ABI32
3693 lm = 0;
3694#else
3695 lm = (ldt_info.flags >> 7) & 1;
3696#endif
6dbad63e
FB		 3697 if (contents == 3) {
3698 if (oldmode)
03acab66 3699 return -TARGET_EINVAL;
6dbad63e 3700 if (seg_not_present == 0)
03acab66 3701 return -TARGET_EINVAL;
6dbad63e
FB		 3702 }
3703 /* allocate the LDT */
3704 if (!ldt_table) {
e441570f
AZ		 3705 env->ldt.base = target_mmap(0,
3706 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3707 PROT_READ|PROT_WRITE,
3708 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3709 if (env->ldt.base == -1)
03acab66 3710 return -TARGET_ENOMEM;
e441570f
AZ		 3711 memset(g2h(env->ldt.base), 0,
3712 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3713 env->ldt.limit = 0xffff;
e441570f 3714 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3715 }
3716
3717 /* NOTE: same code as Linux kernel */
3718 /* Allow LDTs to be cleared by the user. */
3719 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3720 if (oldmode ||
3721 (contents == 0 &&
3722 read_exec_only == 1 &&
3723 seg_32bit == 0 &&
3724 limit_in_pages == 0 &&
3725 seg_not_present == 1 &&
3726 useable == 0 )) {
3727 entry_1 = 0;
3728 entry_2 = 0;
3729 goto install;
3730 }
3731 }
3b46e624 3732
6dbad63e
FB		 3733 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3734 (ldt_info.limit & 0x0ffff);
3735 entry_2 = (ldt_info.base_addr & 0xff000000) |
3736 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3737 (ldt_info.limit & 0xf0000) |
3738 ((read_exec_only ^ 1) << 9) |
3739 (contents << 10) |
3740 ((seg_not_present ^ 1) << 15) |
3741 (seg_32bit << 22) |
3742 (limit_in_pages << 23) |
8d18e893 3743 (lm << 21) |
6dbad63e
FB		 3744 0x7000;
3745 if (!oldmode)
3746 entry_2 |= (useable << 20);
14ae3ba7 3747
6dbad63e
FB		 3748 /* Install the new entry ... */
3749install:
3750 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3751 lp[0] = tswap32(entry_1);
3752 lp[1] = tswap32(entry_2);
3753 return 0;
3754}
3755
3756/* specific and weird i386 syscalls */
8fcd3692
BS		 3757static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3758 unsigned long bytecount)
6dbad63e 3759{
03acab66 3760 abi_long ret;
3b46e624 3761
6dbad63e
FB		 3762 switch (func) {
3763 case 0:
3764 ret = read_ldt(ptr, bytecount);
3765 break;
3766 case 1:
3767 ret = write_ldt(env, ptr, bytecount, 1);
3768 break;
3769 case 0x11:
3770 ret = write_ldt(env, ptr, bytecount, 0);
3771 break;
03acab66
FB		 3772 default:
3773 ret = -TARGET_ENOSYS;
3774 break;
6dbad63e
FB		 3775 }
3776 return ret;
3777}
1b6b029e 3778
4583f589 3779#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 3780static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3781{
3782 uint64_t *gdt_table = g2h(env->gdt.base);
3783 struct target_modify_ldt_ldt_s ldt_info;
3784 struct target_modify_ldt_ldt_s *target_ldt_info;
3785 int seg_32bit, contents, read_exec_only, limit_in_pages;
3786 int seg_not_present, useable, lm;
3787 uint32_t *lp, entry_1, entry_2;
3788 int i;
3789
3790 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3791 if (!target_ldt_info)
3792 return -TARGET_EFAULT;
3793 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 3794 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
8d18e893
FB		 3795 ldt_info.limit = tswap32(target_ldt_info->limit);
3796 ldt_info.flags = tswap32(target_ldt_info->flags);
3797 if (ldt_info.entry_number == -1) {
3798 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3799 if (gdt_table[i] == 0) {
3800 ldt_info.entry_number = i;
3801 target_ldt_info->entry_number = tswap32(i);
3802 break;
3803 }
3804 }
3805 }
3806 unlock_user_struct(target_ldt_info, ptr, 1);
3807
3808 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3809 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3810 return -TARGET_EINVAL;
3811 seg_32bit = ldt_info.flags & 1;
3812 contents = (ldt_info.flags >> 1) & 3;
3813 read_exec_only = (ldt_info.flags >> 3) & 1;
3814 limit_in_pages = (ldt_info.flags >> 4) & 1;
3815 seg_not_present = (ldt_info.flags >> 5) & 1;
3816 useable = (ldt_info.flags >> 6) & 1;
3817#ifdef TARGET_ABI32
3818 lm = 0;
3819#else
3820 lm = (ldt_info.flags >> 7) & 1;
3821#endif
3822
3823 if (contents == 3) {
3824 if (seg_not_present == 0)
3825 return -TARGET_EINVAL;
3826 }
3827
3828 /* NOTE: same code as Linux kernel */
3829 /* Allow LDTs to be cleared by the user. */
3830 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3831 if ((contents == 0 &&
3832 read_exec_only == 1 &&
3833 seg_32bit == 0 &&
3834 limit_in_pages == 0 &&
3835 seg_not_present == 1 &&
3836 useable == 0 )) {
3837 entry_1 = 0;
3838 entry_2 = 0;
3839 goto install;
3840 }
3841 }
3842
3843 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3844 (ldt_info.limit & 0x0ffff);
3845 entry_2 = (ldt_info.base_addr & 0xff000000) |
3846 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3847 (ldt_info.limit & 0xf0000) |
3848 ((read_exec_only ^ 1) << 9) |
3849 (contents << 10) |
3850 ((seg_not_present ^ 1) << 15) |
3851 (seg_32bit << 22) |
3852 (limit_in_pages << 23) |
3853 (useable << 20) |
3854 (lm << 21) |
3855 0x7000;
3856
3857 /* Install the new entry ... */
3858install:
3859 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3860 lp[0] = tswap32(entry_1);
3861 lp[1] = tswap32(entry_2);
3862 return 0;
3863}
3864
8fcd3692 3865static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3866{
3867 struct target_modify_ldt_ldt_s *target_ldt_info;
3868 uint64_t *gdt_table = g2h(env->gdt.base);
3869 uint32_t base_addr, limit, flags;
3870 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3871 int seg_not_present, useable, lm;
3872 uint32_t *lp, entry_1, entry_2;
3873
3874 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3875 if (!target_ldt_info)
3876 return -TARGET_EFAULT;
3877 idx = tswap32(target_ldt_info->entry_number);
3878 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3879 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3880 unlock_user_struct(target_ldt_info, ptr, 1);
3881 return -TARGET_EINVAL;
3882 }
3883 lp = (uint32_t *)(gdt_table + idx);
3884 entry_1 = tswap32(lp[0]);
3885 entry_2 = tswap32(lp[1]);
3886
3887 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3888 contents = (entry_2 >> 10) & 3;
3889 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3890 seg_32bit = (entry_2 >> 22) & 1;
3891 limit_in_pages = (entry_2 >> 23) & 1;
3892 useable = (entry_2 >> 20) & 1;
3893#ifdef TARGET_ABI32
3894 lm = 0;
3895#else
3896 lm = (entry_2 >> 21) & 1;
3897#endif
3898 flags = (seg_32bit << 0) | (contents << 1) |
3899 (read_exec_only << 3) | (limit_in_pages << 4) |
3900 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3901 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3902 base_addr = (entry_1 >> 16) |
3903 (entry_2 & 0xff000000) |
3904 ((entry_2 & 0xff) << 16);
cbb21eed 3905 target_ldt_info->base_addr = tswapal(base_addr);
8d18e893
FB		 3906 target_ldt_info->limit = tswap32(limit);
3907 target_ldt_info->flags = tswap32(flags);
3908 unlock_user_struct(target_ldt_info, ptr, 1);
3909 return 0;
3910}
4583f589 3911#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 3912
d2fd1af7 3913#ifndef TARGET_ABI32
8fcd3692 3914static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7 3915{
1add8698 3916 abi_long ret = 0;
d2fd1af7
FB		 3917 abi_ulong val;
3918 int idx;
1add8698 3919
d2fd1af7
FB		 3920 switch(code) {
3921 case TARGET_ARCH_SET_GS:
3922 case TARGET_ARCH_SET_FS:
3923 if (code == TARGET_ARCH_SET_GS)
3924 idx = R_GS;
3925 else
3926 idx = R_FS;
3927 cpu_x86_load_seg(env, idx, 0);
3928 env->segs[idx].base = addr;
3929 break;
3930 case TARGET_ARCH_GET_GS:
3931 case TARGET_ARCH_GET_FS:
3932 if (code == TARGET_ARCH_GET_GS)
3933 idx = R_GS;
3934 else
3935 idx = R_FS;
3936 val = env->segs[idx].base;
3937 if (put_user(val, addr, abi_ulong))
1add8698 3938 ret = -TARGET_EFAULT;
d2fd1af7
FB		 3939 break;
3940 default:
3941 ret = -TARGET_EINVAL;
3942 break;
3943 }
1add8698 3944 return ret;
d2fd1af7
FB		 3945}
3946#endif
3947
2ab83ea7
FB		 3948#endif /* defined(TARGET_I386) */
3949
05098a93 3950#define NEW_STACK_SIZE 0x40000
d865bab5 3951
05098a93 3952#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3953
3954static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3955typedef struct {
3956 CPUState *env;
3957 pthread_mutex_t mutex;
3958 pthread_cond_t cond;
3959 pthread_t thread;
3960 uint32_t tid;
3961 abi_ulong child_tidptr;
3962 abi_ulong parent_tidptr;
3963 sigset_t sigmask;
3964} new_thread_info;
3965
3966static void *clone_func(void *arg)
3967{
3968 new_thread_info *info = arg;
3969 CPUState *env;
edf8e2af 3970 TaskState *ts;
d865bab5
PB		 3971
3972 env = info->env;
3973 thread_env = env;
edf8e2af 3974 ts = (TaskState *)thread_env->opaque;
d865bab5 3975 info->tid = gettid();
1e9fa730 3976 env->host_tid = info->tid;
edf8e2af 3977 task_settid(ts);
d865bab5
PB		 3978 if (info->child_tidptr)
3979 put_user_u32(info->tid, info->child_tidptr);
3980 if (info->parent_tidptr)
3981 put_user_u32(info->tid, info->parent_tidptr);
3982 /* Enable signals. */
3983 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3984 /* Signal to the parent that we're ready. */
3985 pthread_mutex_lock(&info->mutex);
3986 pthread_cond_broadcast(&info->cond);
3987 pthread_mutex_unlock(&info->mutex);
3988 /* Wait until the parent has finshed initializing the tls state. */
3989 pthread_mutex_lock(&clone_lock);
3990 pthread_mutex_unlock(&clone_lock);
3991 cpu_loop(env);
3992 /* never exits */
3993 return NULL;
3994}
3995#else
1b6b029e
FB		 3996
3997static int clone_func(void *arg)
3998{
2ab83ea7 3999 CPUState *env = arg;
1b6b029e
FB		 4000 cpu_loop(env);
4001 /* never exits */
4002 return 0;
4003}
d865bab5 4004#endif
1b6b029e 4005
0da46a6e
TS		 4006/* do_fork() Must return host values and target errnos (unlike most
4007 do_*() functions). */
d865bab5
PB		 4008static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
4009 abi_ulong parent_tidptr, target_ulong newtls,
4010 abi_ulong child_tidptr)
1b6b029e
FB		 4011{
4012 int ret;
5cd4393b 4013 TaskState *ts;
2ab83ea7 4014 CPUState *new_env;
2f7bb878 4015#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4016 unsigned int nptl_flags;
4017 sigset_t sigmask;
9190749f
RV		 4018#else
4019 uint8_t *new_stack;
d865bab5 4020#endif
3b46e624 4021
436d124b
AZ		 4022 /* Emulate vfork() with fork() */
4023 if (flags & CLONE_VFORK)
4024 flags &= ~(CLONE_VFORK | CLONE_VM);
4025
1b6b029e 4026 if (flags & CLONE_VM) {
edf8e2af 4027 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 4028#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4029 new_thread_info info;
4030 pthread_attr_t attr;
bd0c5661 4031#endif
7267c094 4032 ts = g_malloc0(sizeof(TaskState));
624f7979 4033 init_task_state(ts);
1b6b029e 4034 /* we create a new CPU instance. */
c5be9f08 4035 new_env = cpu_copy(env);
b4558d74
BS		 4036#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
4037 cpu_reset(new_env);
4038#endif
6e68e076
PB		 4039 /* Init regs that differ from the parent. */
4040 cpu_clone_regs(new_env, newsp);
5cd4393b 4041 new_env->opaque = ts;
edf8e2af
MW		 4042 ts->bprm = parent_ts->bprm;
4043 ts->info = parent_ts->info;
2f7bb878 4044#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4045 nptl_flags = flags;
4046 flags &= ~CLONE_NPTL_FLAGS2;
4047
c2764719
PB		 4048 if (nptl_flags & CLONE_CHILD_CLEARTID) {
4049 ts->child_tidptr = child_tidptr;
4050 }
4051
d865bab5
PB		 4052 if (nptl_flags & CLONE_SETTLS)
4053 cpu_set_tls (new_env, newtls);
4054
4055 /* Grab a mutex so that thread setup appears atomic. */
4056 pthread_mutex_lock(&clone_lock);
4057
4058 memset(&info, 0, sizeof(info));
4059 pthread_mutex_init(&info.mutex, NULL);
4060 pthread_mutex_lock(&info.mutex);
4061 pthread_cond_init(&info.cond, NULL);
4062 info.env = new_env;
4063 if (nptl_flags & CLONE_CHILD_SETTID)
4064 info.child_tidptr = child_tidptr;
4065 if (nptl_flags & CLONE_PARENT_SETTID)
4066 info.parent_tidptr = parent_tidptr;
4067
4068 ret = pthread_attr_init(&attr);
48e15fc2
NF		 4069 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
4070 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
d865bab5
PB		 4071 /* It is not safe to deliver signals until the child has finished
4072 initializing, so temporarily block all signals. */
4073 sigfillset(&sigmask);
4074 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
4075
4076 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 4077 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 4078
4079 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
4080 pthread_attr_destroy(&attr);
4081 if (ret == 0) {
4082 /* Wait for the child to initialize. */
4083 pthread_cond_wait(&info.cond, &info.mutex);
4084 ret = info.tid;
4085 if (flags & CLONE_PARENT_SETTID)
4086 put_user_u32(ret, parent_tidptr);
4087 } else {
4088 ret = -1;
4089 }
4090 pthread_mutex_unlock(&info.mutex);
4091 pthread_cond_destroy(&info.cond);
4092 pthread_mutex_destroy(&info.mutex);
4093 pthread_mutex_unlock(&clone_lock);
4094#else
4095 if (flags & CLONE_NPTL_FLAGS2)
4096 return -EINVAL;
4097 /* This is probably going to die very quickly, but do it anyway. */
7267c094 4098 new_stack = g_malloc0 (NEW_STACK_SIZE);
27725c1d 4099#ifdef __ia64__
60e99246 4100 ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 4101#else
4102 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 4103#endif
27725c1d 4104#endif
1b6b029e
FB		 4105 } else {
4106 /* if no CLONE_VM, we consider it is a fork */
d865bab5 4107 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 4108 return -EINVAL;
d865bab5 4109 fork_start();
1b6b029e 4110 ret = fork();
d865bab5 4111 if (ret == 0) {
2b1319c8 4112 /* Child Process. */
d865bab5
PB		 4113 cpu_clone_regs(env, newsp);
4114 fork_end(1);
2f7bb878 4115#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 4116 /* There is a race condition here. The parent process could
4117 theoretically read the TID in the child process before the child
4118 tid is set. This would require using either ptrace
4119 (not implemented) or having *_tidptr to point at a shared memory
4120 mapping. We can't repeat the spinlock hack used above because
4121 the child process gets its own copy of the lock. */
d865bab5
PB		 4122 if (flags & CLONE_CHILD_SETTID)
4123 put_user_u32(gettid(), child_tidptr);
4124 if (flags & CLONE_PARENT_SETTID)
4125 put_user_u32(gettid(), parent_tidptr);
4126 ts = (TaskState *)env->opaque;
4127 if (flags & CLONE_SETTLS)
4128 cpu_set_tls (env, newtls);
c2764719
PB		 4129 if (flags & CLONE_CHILD_CLEARTID)
4130 ts->child_tidptr = child_tidptr;
2b1319c8 4131#endif
d865bab5
PB		 4132 } else {
4133 fork_end(0);
4134 }
1b6b029e
FB		 4135 }
4136 return ret;
4137}
4138
5f106811
APR		 4139/* warning : doesn't handle linux specific flags... */
4140static int target_to_host_fcntl_cmd(int cmd)
4141{
4142 switch(cmd) {
4143 case TARGET_F_DUPFD:
4144 case TARGET_F_GETFD:
4145 case TARGET_F_SETFD:
4146 case TARGET_F_GETFL:
4147 case TARGET_F_SETFL:
4148 return cmd;
4149 case TARGET_F_GETLK:
4150 return F_GETLK;
4151 case TARGET_F_SETLK:
4152 return F_SETLK;
4153 case TARGET_F_SETLKW:
4154 return F_SETLKW;
4155 case TARGET_F_GETOWN:
4156 return F_GETOWN;
4157 case TARGET_F_SETOWN:
4158 return F_SETOWN;
4159 case TARGET_F_GETSIG:
4160 return F_GETSIG;
4161 case TARGET_F_SETSIG:
4162 return F_SETSIG;
4163#if TARGET_ABI_BITS == 32
4164 case TARGET_F_GETLK64:
4165 return F_GETLK64;
4166 case TARGET_F_SETLK64:
4167 return F_SETLK64;
4168 case TARGET_F_SETLKW64:
4169 return F_SETLKW64;
4170#endif
7e22e546
UH		 4171 case TARGET_F_SETLEASE:
4172 return F_SETLEASE;
4173 case TARGET_F_GETLEASE:
4174 return F_GETLEASE;
fbd5de9b 4175#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 4176 case TARGET_F_DUPFD_CLOEXEC:
4177 return F_DUPFD_CLOEXEC;
fbd5de9b 4178#endif
7e22e546
UH		 4179 case TARGET_F_NOTIFY:
4180 return F_NOTIFY;
5f106811
APR		 4181 default:
4182 return -TARGET_EINVAL;
4183 }
4184 return -TARGET_EINVAL;
4185}
4186
992f48a0 4187static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 4188{
4189 struct flock fl;
53a5960a 4190 struct target_flock *target_fl;
43f238d7
TS		 4191 struct flock64 fl64;
4192 struct target_flock64 *target_fl64;
992f48a0 4193 abi_long ret;
5f106811
APR		 4194 int host_cmd = target_to_host_fcntl_cmd(cmd);
4195
4196 if (host_cmd == -TARGET_EINVAL)
4197 return host_cmd;
53a5960a 4198
7775e9ec
FB		 4199 switch(cmd) {
4200 case TARGET_F_GETLK:
579a97f7
FB		 4201 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4202 return -TARGET_EFAULT;
5813427b
TS		 4203 fl.l_type = tswap16(target_fl->l_type);
4204 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4205 fl.l_start = tswapal(target_fl->l_start);
4206 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4207 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 4208 unlock_user_struct(target_fl, arg, 0);
5f106811 4209 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4210 if (ret == 0) {
579a97f7
FB		 4211 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
4212 return -TARGET_EFAULT;
7775e9ec
FB		 4213 target_fl->l_type = tswap16(fl.l_type);
4214 target_fl->l_whence = tswap16(fl.l_whence);
cbb21eed
MB		 4215 target_fl->l_start = tswapal(fl.l_start);
4216 target_fl->l_len = tswapal(fl.l_len);
7e22e546 4217 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 4218 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 4219 }
4220 break;
3b46e624 4221
7775e9ec
FB		 4222 case TARGET_F_SETLK:
4223 case TARGET_F_SETLKW:
579a97f7
FB		 4224 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4225 return -TARGET_EFAULT;
7775e9ec
FB		 4226 fl.l_type = tswap16(target_fl->l_type);
4227 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4228 fl.l_start = tswapal(target_fl->l_start);
4229 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4230 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 4231 unlock_user_struct(target_fl, arg, 0);
5f106811 4232 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4233 break;
3b46e624 4234
7775e9ec 4235 case TARGET_F_GETLK64:
579a97f7
FB		 4236 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4237 return -TARGET_EFAULT;
5813427b
TS		 4238 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4239 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4240 fl64.l_start = tswap64(target_fl64->l_start);
4241 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4242 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 4243 unlock_user_struct(target_fl64, arg, 0);
5f106811 4244 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 4245 if (ret == 0) {
579a97f7
FB		 4246 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
4247 return -TARGET_EFAULT;
43f238d7
TS		 4248 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
4249 target_fl64->l_whence = tswap16(fl64.l_whence);
cbb21eed
MB		 4250 target_fl64->l_start = tswap64(fl64.l_start);
4251 target_fl64->l_len = tswap64(fl64.l_len);
7e22e546 4252 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 4253 unlock_user_struct(target_fl64, arg, 1);
4254 }
9ee1fa2c 4255 break;
7775e9ec
FB		 4256 case TARGET_F_SETLK64:
4257 case TARGET_F_SETLKW64:
579a97f7
FB		 4258 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4259 return -TARGET_EFAULT;
43f238d7
TS		 4260 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4261 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4262 fl64.l_start = tswap64(target_fl64->l_start);
4263 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4264 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 4265 unlock_user_struct(target_fl64, arg, 0);
5f106811 4266 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 4267 break;
4268
5f106811
APR		 4269 case TARGET_F_GETFL:
4270 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 4271 if (ret >= 0) {
4272 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4273 }
ffa65c3b
FB		 4274 break;
4275
5f106811
APR		 4276 case TARGET_F_SETFL:
4277 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4278 break;
4279
4280 case TARGET_F_SETOWN:
4281 case TARGET_F_GETOWN:
4282 case TARGET_F_SETSIG:
4283 case TARGET_F_GETSIG:
7e22e546
UH		 4284 case TARGET_F_SETLEASE:
4285 case TARGET_F_GETLEASE:
5f106811 4286 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 4287 break;
4288
7775e9ec 4289 default:
9ee1fa2c 4290 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 4291 break;
4292 }
4293 return ret;
4294}
4295
67867308 4296#ifdef USE_UID16
7775e9ec 4297
67867308
FB		 4298static inline int high2lowuid(int uid)
4299{
4300 if (uid > 65535)
4301 return 65534;
4302 else
4303 return uid;
4304}
4305
4306static inline int high2lowgid(int gid)
4307{
4308 if (gid > 65535)
4309 return 65534;
4310 else
4311 return gid;
4312}
4313
4314static inline int low2highuid(int uid)
4315{
4316 if ((int16_t)uid == -1)
4317 return -1;
4318 else
4319 return uid;
4320}
4321
4322static inline int low2highgid(int gid)
4323{
4324 if ((int16_t)gid == -1)
4325 return -1;
4326 else
4327 return gid;
4328}
0c866a7e
RV		 4329static inline int tswapid(int id)
4330{
4331 return tswap16(id);
4332}
4333#else /* !USE_UID16 */
4334static inline int high2lowuid(int uid)
4335{
4336 return uid;
4337}
4338static inline int high2lowgid(int gid)
4339{
4340 return gid;
4341}
4342static inline int low2highuid(int uid)
4343{
4344 return uid;
4345}
4346static inline int low2highgid(int gid)
4347{
4348 return gid;
4349}
4350static inline int tswapid(int id)
4351{
4352 return tswap32(id);
4353}
67867308 4354#endif /* USE_UID16 */
1b6b029e 4355
31e31b8a
FB		 4356void syscall_init(void)
4357{
2ab83ea7
FB		 4358 IOCTLEntry *ie;
4359 const argtype *arg_type;
4360 int size;
b92c47c1 4361 int i;
2ab83ea7 4362
001faf32 4363#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 4364#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 4365#include "syscall_types.h"
4366#undef STRUCT
4367#undef STRUCT_SPECIAL
2ab83ea7
FB		 4368
4369 /* we patch the ioctl size if necessary. We rely on the fact that
4370 no ioctl has all the bits at '1' in the size field */
4371 ie = ioctl_entries;
4372 while (ie->target_cmd != 0) {
4373 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4374 TARGET_IOC_SIZEMASK) {
4375 arg_type = ie->arg_type;
4376 if (arg_type[0] != TYPE_PTR) {
5fafdf24 4377 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 4378 ie->target_cmd);
4379 exit(1);
4380 }
4381 arg_type++;
4382 size = thunk_type_size(arg_type, 0);
5fafdf24 4383 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 4384 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4385 (size << TARGET_IOC_SIZESHIFT);
4386 }
b92c47c1
TS		 4387
4388 /* Build target_to_host_errno_table[] table from
4389 * host_to_target_errno_table[]. */
4390 for (i=0; i < ERRNO_TABLE_SIZE; i++)
4391 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4392
2ab83ea7 4393 /* automatic consistency check if same arch */
872ea0c0
AZ		 4394#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4395 (defined(__x86_64__) && defined(TARGET_X86_64))
4396 if (unlikely(ie->target_cmd != ie->host_cmd)) {
4397 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4398 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 4399 }
4400#endif
4401 ie++;
4402 }
31e31b8a 4403}
c573ff67 4404
992f48a0 4405#if TARGET_ABI_BITS == 32
ce4defa0
PB		 4406static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4407{
af325d36 4408#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 4409 return ((uint64_t)word0 << 32) | word1;
4410#else
4411 return ((uint64_t)word1 << 32) | word0;
4412#endif
4413}
992f48a0 4414#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 4415static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4416{
4417 return word0;
4418}
992f48a0 4419#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 4420
4421#ifdef TARGET_NR_truncate64
992f48a0
BS		 4422static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4423 abi_long arg2,
4424 abi_long arg3,
4425 abi_long arg4)
ce4defa0 4426{
48e515d4 4427 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4428 arg2 = arg3;
4429 arg3 = arg4;
48e515d4 4430 }
ce4defa0
PB		 4431 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4432}
4433#endif
4434
4435#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 4436static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4437 abi_long arg2,
4438 abi_long arg3,
4439 abi_long arg4)
ce4defa0 4440{
48e515d4 4441 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4442 arg2 = arg3;
4443 arg3 = arg4;
48e515d4 4444 }
ce4defa0
PB		 4445 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4446}
4447#endif
4448
579a97f7
FB		 4449static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4450 abi_ulong target_addr)
53a5960a
PB		 4451{
4452 struct target_timespec *target_ts;
4453
579a97f7
FB		 4454 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4455 return -TARGET_EFAULT;
cbb21eed
MB		 4456 host_ts->tv_sec = tswapal(target_ts->tv_sec);
4457 host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
53a5960a 4458 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 4459 return 0;
53a5960a
PB		 4460}
4461
579a97f7
FB		 4462static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4463 struct timespec *host_ts)
53a5960a
PB		 4464{
4465 struct target_timespec *target_ts;
4466
579a97f7
FB		 4467 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4468 return -TARGET_EFAULT;
cbb21eed
MB		 4469 target_ts->tv_sec = tswapal(host_ts->tv_sec);
4470 target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
53a5960a 4471 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 4472 return 0;
53a5960a
PB		 4473}
4474
9d33b76b 4475#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 4476static inline abi_long host_to_target_stat64(void *cpu_env,
4477 abi_ulong target_addr,
4478 struct stat *host_st)
4479{
4480#ifdef TARGET_ARM
4481 if (((CPUARMState *)cpu_env)->eabi) {
4482 struct target_eabi_stat64 *target_st;
4483
4484 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4485 return -TARGET_EFAULT;
4486 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4487 __put_user(host_st->st_dev, &target_st->st_dev);
4488 __put_user(host_st->st_ino, &target_st->st_ino);
4489#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4490 __put_user(host_st->st_ino, &target_st->__st_ino);
4491#endif
4492 __put_user(host_st->st_mode, &target_st->st_mode);
4493 __put_user(host_st->st_nlink, &target_st->st_nlink);
4494 __put_user(host_st->st_uid, &target_st->st_uid);
4495 __put_user(host_st->st_gid, &target_st->st_gid);
4496 __put_user(host_st->st_rdev, &target_st->st_rdev);
4497 __put_user(host_st->st_size, &target_st->st_size);
4498 __put_user(host_st->st_blksize, &target_st->st_blksize);
4499 __put_user(host_st->st_blocks, &target_st->st_blocks);
4500 __put_user(host_st->st_atime, &target_st->target_st_atime);
4501 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4502 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4503 unlock_user_struct(target_st, target_addr, 1);
4504 } else
4505#endif
4506 {
ed18c5ce 4507#if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
9d33b76b
AJ		 4508 struct target_stat *target_st;
4509#else
6a24a778 4510 struct target_stat64 *target_st;
9d33b76b 4511#endif
6a24a778
AZ		 4512
4513 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4514 return -TARGET_EFAULT;
9d33b76b 4515 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4516 __put_user(host_st->st_dev, &target_st->st_dev);
4517 __put_user(host_st->st_ino, &target_st->st_ino);
4518#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4519 __put_user(host_st->st_ino, &target_st->__st_ino);
4520#endif
4521 __put_user(host_st->st_mode, &target_st->st_mode);
4522 __put_user(host_st->st_nlink, &target_st->st_nlink);
4523 __put_user(host_st->st_uid, &target_st->st_uid);
4524 __put_user(host_st->st_gid, &target_st->st_gid);
4525 __put_user(host_st->st_rdev, &target_st->st_rdev);
4526 /* XXX: better use of kernel struct */
4527 __put_user(host_st->st_size, &target_st->st_size);
4528 __put_user(host_st->st_blksize, &target_st->st_blksize);
4529 __put_user(host_st->st_blocks, &target_st->st_blocks);
4530 __put_user(host_st->st_atime, &target_st->target_st_atime);
4531 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4532 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4533 unlock_user_struct(target_st, target_addr, 1);
4534 }
4535
4536 return 0;
4537}
4538#endif
4539
2f7bb878 4540#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 4541/* ??? Using host futex calls even when target atomic operations
4542 are not really atomic probably breaks things. However implementing
4543 futexes locally would make futexes shared between multiple processes
4544 tricky. However they're probably useless because guest atomic
4545 operations won't work either. */
8fcd3692
BS		 4546static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4547 target_ulong uaddr2, int val3)
bd0c5661
PB		 4548{
4549 struct timespec ts, *pts;
a16aae0c 4550 int base_op;
bd0c5661
PB		 4551
4552 /* ??? We assume FUTEX_* constants are the same on both host
4553 and target. */
a29ccd63 4554#ifdef FUTEX_CMD_MASK
a16aae0c 4555 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4556#else
a16aae0c 4557 base_op = op;
a29ccd63 4558#endif
a16aae0c 4559 switch (base_op) {
bd0c5661
PB		 4560 case FUTEX_WAIT:
4561 if (timeout) {
4562 pts = &ts;
4563 target_to_host_timespec(pts, timeout);
4564 } else {
4565 pts = NULL;
4566 }
a29ccd63 4567 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4568 pts, NULL, 0));
4569 case FUTEX_WAKE:
a29ccd63 4570 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4571 case FUTEX_FD:
a29ccd63 4572 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4573 case FUTEX_REQUEUE:
bd0c5661 4574 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4575 case FUTEX_WAKE_OP:
4576 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4577 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4578 But the prototype takes a `struct timespec *'; insert casts
4579 to satisfy the compiler. We do not need to tswap TIMEOUT
4580 since it's not compared to guest memory. */
4581 pts = (struct timespec *)(uintptr_t) timeout;
4582 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4583 g2h(uaddr2),
4584 (base_op == FUTEX_CMP_REQUEUE
4585 ? tswap32(val3)
4586 : val3)));
bd0c5661
PB		 4587 default:
4588 return -TARGET_ENOSYS;
4589 }
4590}
4591#endif
4592
1d9d8b55
PB		 4593/* Map host to target signal numbers for the wait family of syscalls.
4594 Assume all other status bits are the same. */
4595static int host_to_target_waitstatus(int status)
4596{
4597 if (WIFSIGNALED(status)) {
4598 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4599 }
4600 if (WIFSTOPPED(status)) {
4601 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4602 | (status & 0xff);
4603 }
4604 return status;
4605}
4606
a745ec6d
PB		 4607int get_osversion(void)
4608{
4609 static int osversion;
4610 struct new_utsname buf;
4611 const char *s;
4612 int i, n, tmp;
4613 if (osversion)
4614 return osversion;
4615 if (qemu_uname_release && *qemu_uname_release) {
4616 s = qemu_uname_release;
4617 } else {
4618 if (sys_uname(&buf))
4619 return 0;
4620 s = buf.release;
4621 }
4622 tmp = 0;
4623 for (i = 0; i < 3; i++) {
4624 n = 0;
4625 while (*s >= '0' && *s <= '9') {
4626 n *= 10;
4627 n += *s - '0';
4628 s++;
4629 }
4630 tmp = (tmp << 8) + n;
4631 if (*s == '.')
4632 s++;
4633 }
4634 osversion = tmp;
4635 return osversion;
4636}
4637
36c08d49
AG		 4638
4639static int open_self_maps(void *cpu_env, int fd)
4640{
4641 TaskState *ts = ((CPUState *)cpu_env)->opaque;
4642
4643 dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
4644 (unsigned long long)ts->info->stack_limit,
4645 (unsigned long long)(ts->stack_base + (TARGET_PAGE_SIZE - 1))
4646 & TARGET_PAGE_MASK,
4647 (unsigned long long)ts->stack_base);
4648
4649 return 0;
4650}
4651
480b8e7d
AG		 4652static int open_self_stat(void *cpu_env, int fd)
4653{
4654 TaskState *ts = ((CPUState *)cpu_env)->opaque;
4655 abi_ulong start_stack = ts->info->start_stack;
4656 int i;
4657
4658 for (i = 0; i < 44; i++) {
4659 char buf[128];
4660 int len;
4661 uint64_t val = 0;
4662
4663 if (i == 27) {
4664 /* stack bottom */
4665 val = start_stack;
4666 }
4667 snprintf(buf, sizeof(buf), "%"PRId64 "%c", val, i == 43 ? '\n' : ' ');
4668 len = strlen(buf);
4669 if (write(fd, buf, len) != len) {
4670 return -1;
4671 }
4672 }
4673
4674 return 0;
4675}
4676
257450ee
AG		 4677static int open_self_auxv(void *cpu_env, int fd)
4678{
4679 TaskState *ts = ((CPUState *)cpu_env)->opaque;
4680 abi_ulong auxv = ts->info->saved_auxv;
4681 abi_ulong len = ts->info->auxv_len;
4682 char *ptr;
4683
4684 /*
4685 * Auxiliary vector is stored in target process stack.
4686 * read in whole auxv vector and copy it to file
4687 */
4688 ptr = lock_user(VERIFY_READ, auxv, len, 0);
4689 if (ptr != NULL) {
4690 while (len > 0) {
4691 ssize_t r;
4692 r = write(fd, ptr, len);
4693 if (r <= 0) {
4694 break;
4695 }
4696 len -= r;
4697 ptr += r;
4698 }
4699 lseek(fd, 0, SEEK_SET);
4700 unlock_user(ptr, auxv, len);
4701 }
4702
4703 return 0;
4704}
4705
3be14d05
AG		 4706static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode)
4707{
4708 struct fake_open {
4709 const char *filename;
4710 int (*fill)(void *cpu_env, int fd);
4711 };
4712 const struct fake_open *fake_open;
4713 static const struct fake_open fakes[] = {
36c08d49 4714 { "/proc/self/maps", open_self_maps },
480b8e7d 4715 { "/proc/self/stat", open_self_stat },
257450ee 4716 { "/proc/self/auxv", open_self_auxv },
3be14d05
AG		 4717 { NULL, NULL }
4718 };
4719
4720 for (fake_open = fakes; fake_open->filename; fake_open++) {
4721 if (!strncmp(pathname, fake_open->filename,
4722 strlen(fake_open->filename))) {
4723 break;
4724 }
4725 }
4726
4727 if (fake_open->filename) {
4728 const char *tmpdir;
4729 char filename[PATH_MAX];
4730 int fd, r;
4731
4732 /* create temporary file to map stat to */
4733 tmpdir = getenv("TMPDIR");
4734 if (!tmpdir)
4735 tmpdir = "/tmp";
4736 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
4737 fd = mkstemp(filename);
4738 if (fd < 0) {
4739 return fd;
4740 }
4741 unlink(filename);
4742
4743 if ((r = fake_open->fill(cpu_env, fd))) {
4744 close(fd);
4745 return r;
4746 }
4747 lseek(fd, 0, SEEK_SET);
4748
4749 return fd;
4750 }
4751
4752 return get_errno(open(path(pathname), flags, mode));
4753}
4754
0da46a6e
TS		 4755/* do_syscall() should always have a single exit point at the end so
4756 that actions, such as logging of syscall results, can be performed.
4757 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 4758abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4759 abi_long arg2, abi_long arg3, abi_long arg4,
5945cfcb
PM		 4760 abi_long arg5, abi_long arg6, abi_long arg7,
4761 abi_long arg8)
31e31b8a 4762{
992f48a0 4763 abi_long ret;
31e31b8a 4764 struct stat st;
56c8f68f 4765 struct statfs stfs;
53a5960a 4766 void *p;
3b46e624 4767
72f03900 4768#ifdef DEBUG
c573ff67 4769 gemu_log("syscall %d", num);
72f03900 4770#endif
b92c47c1
TS		 4771 if(do_strace)
4772 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4773
31e31b8a
FB		 4774 switch(num) {
4775 case TARGET_NR_exit:
2f7bb878 4776#ifdef CONFIG_USE_NPTL
c2764719
PB		 4777 /* In old applications this may be used to implement _exit(2).
4778 However in threaded applictions it is used for thread termination,
4779 and _exit_group is used for application termination.
4780 Do thread termination if we have more then one thread. */
4781 /* FIXME: This probably breaks if a signal arrives. We should probably
4782 be disabling signals. */
4783 if (first_cpu->next_cpu) {
1e9fa730 4784 TaskState *ts;
c2764719
PB		 4785 CPUState **lastp;
4786 CPUState *p;
4787
4788 cpu_list_lock();
4789 lastp = &first_cpu;
4790 p = first_cpu;
4791 while (p && p != (CPUState *)cpu_env) {
4792 lastp = &p->next_cpu;
4793 p = p->next_cpu;
4794 }
4795 /* If we didn't find the CPU for this thread then something is
4796 horribly wrong. */
4797 if (!p)
4798 abort();
4799 /* Remove the CPU from the list. */
4800 *lastp = p->next_cpu;
4801 cpu_list_unlock();
1e9fa730 4802 ts = ((CPUState *)cpu_env)->opaque;
c2764719
PB		 4803 if (ts->child_tidptr) {
4804 put_user_u32(0, ts->child_tidptr);
4805 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4806 NULL, NULL, 0);
4807 }
48e15fc2 4808 thread_env = NULL;
7267c094
AL		 4809 g_free(cpu_env);
4810 g_free(ts);
c2764719
PB		 4811 pthread_exit(NULL);
4812 }
4813#endif
9788c9ca 4814#ifdef TARGET_GPROF
7d13299d
FB		 4815 _mcleanup();
4816#endif
e9009676 4817 gdb_exit(cpu_env, arg1);
c2764719 4818 _exit(arg1);
31e31b8a
FB		 4819 ret = 0; /* avoid warning */
4820 break;
4821 case TARGET_NR_read:
38d840e6
AJ		 4822 if (arg3 == 0)
4823 ret = 0;
4824 else {
4825 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4826 goto efault;
4827 ret = get_errno(read(arg1, p, arg3));
4828 unlock_user(p, arg2, ret);
4829 }
31e31b8a
FB		 4830 break;
4831 case TARGET_NR_write:
579a97f7
FB		 4832 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4833 goto efault;
53a5960a
PB		 4834 ret = get_errno(write(arg1, p, arg3));
4835 unlock_user(p, arg2, 0);
31e31b8a
FB		 4836 break;
4837 case TARGET_NR_open:
2f619698
FB		 4838 if (!(p = lock_user_string(arg1)))
4839 goto efault;
3be14d05
AG		 4840 ret = get_errno(do_open(cpu_env, p,
4841 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4842 arg3));
53a5960a 4843 unlock_user(p, arg1, 0);
31e31b8a 4844 break;
82424832
TS		 4845#if defined(TARGET_NR_openat) && defined(__NR_openat)
4846 case TARGET_NR_openat:
579a97f7
FB		 4847 if (!(p = lock_user_string(arg2)))
4848 goto efault;
4849 ret = get_errno(sys_openat(arg1,
4850 path(p),
4851 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4852 arg4));
4853 unlock_user(p, arg2, 0);
82424832
TS		 4854 break;
4855#endif
31e31b8a
FB		 4856 case TARGET_NR_close:
4857 ret = get_errno(close(arg1));
4858 break;
4859 case TARGET_NR_brk:
53a5960a 4860 ret = do_brk(arg1);
31e31b8a
FB		 4861 break;
4862 case TARGET_NR_fork:
d865bab5 4863 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 4864 break;
e5febef5 4865#ifdef TARGET_NR_waitpid
31e31b8a
FB		 4866 case TARGET_NR_waitpid:
4867 {
53a5960a
PB		 4868 int status;
4869 ret = get_errno(waitpid(arg1, &status, arg3));
5379557b 4870 if (!is_error(ret) && arg2 && ret
1d9d8b55 4871 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 4872 goto efault;
31e31b8a
FB		 4873 }
4874 break;
e5febef5 4875#endif
f0cbb613
PB		 4876#ifdef TARGET_NR_waitid
4877 case TARGET_NR_waitid:
4878 {
4879 siginfo_t info;
4880 info.si_pid = 0;
4881 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4882 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 4883 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 4884 goto efault;
4885 host_to_target_siginfo(p, &info);
c227f099 4886 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 4887 }
4888 }
4889 break;
4890#endif
7a3148a9 4891#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 4892 case TARGET_NR_creat:
579a97f7
FB		 4893 if (!(p = lock_user_string(arg1)))
4894 goto efault;
53a5960a
PB		 4895 ret = get_errno(creat(p, arg2));
4896 unlock_user(p, arg1, 0);
31e31b8a 4897 break;
7a3148a9 4898#endif
31e31b8a 4899 case TARGET_NR_link:
53a5960a
PB		 4900 {
4901 void * p2;
4902 p = lock_user_string(arg1);
4903 p2 = lock_user_string(arg2);
579a97f7
FB		 4904 if (!p || !p2)
4905 ret = -TARGET_EFAULT;
4906 else
4907 ret = get_errno(link(p, p2));
53a5960a
PB		 4908 unlock_user(p2, arg2, 0);
4909 unlock_user(p, arg1, 0);
4910 }
31e31b8a 4911 break;
64f0ce4c
TS		 4912#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4913 case TARGET_NR_linkat:
64f0ce4c
TS		 4914 {
4915 void * p2 = NULL;
579a97f7
FB		 4916 if (!arg2 || !arg4)
4917 goto efault;
64f0ce4c
TS		 4918 p = lock_user_string(arg2);
4919 p2 = lock_user_string(arg4);
579a97f7 4920 if (!p || !p2)
0da46a6e 4921 ret = -TARGET_EFAULT;
64f0ce4c
TS		 4922 else
4923 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 4924 unlock_user(p, arg2, 0);
4925 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 4926 }
4927 break;
4928#endif
31e31b8a 4929 case TARGET_NR_unlink:
579a97f7
FB		 4930 if (!(p = lock_user_string(arg1)))
4931 goto efault;
53a5960a
PB		 4932 ret = get_errno(unlink(p));
4933 unlock_user(p, arg1, 0);
31e31b8a 4934 break;
8170f56b
TS		 4935#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4936 case TARGET_NR_unlinkat:
579a97f7
FB		 4937 if (!(p = lock_user_string(arg2)))
4938 goto efault;
4939 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4940 unlock_user(p, arg2, 0);
ed494d87 4941 break;
b7d35e65 4942#endif
31e31b8a 4943 case TARGET_NR_execve:
7854b056
FB		 4944 {
4945 char **argp, **envp;
f7341ff4 4946 int argc, envc;
992f48a0
BS		 4947 abi_ulong gp;
4948 abi_ulong guest_argp;
4949 abi_ulong guest_envp;
4950 abi_ulong addr;
7854b056 4951 char **q;
a6f79cc9 4952 int total_size = 0;
7854b056 4953
f7341ff4 4954 argc = 0;
53a5960a 4955 guest_argp = arg2;
da94d263 4956 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4957 if (get_user_ual(addr, gp))
2f619698 4958 goto efault;
03aa1976 4959 if (!addr)
2f619698 4960 break;
7854b056 4961 argc++;
2f619698 4962 }
f7341ff4 4963 envc = 0;
53a5960a 4964 guest_envp = arg3;
da94d263 4965 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4966 if (get_user_ual(addr, gp))
2f619698 4967 goto efault;
03aa1976 4968 if (!addr)
2f619698 4969 break;
7854b056 4970 envc++;
2f619698 4971 }
7854b056 4972
f7341ff4
FB		 4973 argp = alloca((argc + 1) * sizeof(void *));
4974 envp = alloca((envc + 1) * sizeof(void *));
7854b056 4975
da94d263 4976 for (gp = guest_argp, q = argp; gp;
992f48a0 4977 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4978 if (get_user_ual(addr, gp))
4979 goto execve_efault;
53a5960a
PB		 4980 if (!addr)
4981 break;
2f619698
FB		 4982 if (!(*q = lock_user_string(addr)))
4983 goto execve_efault;
a6f79cc9 4984 total_size += strlen(*q) + 1;
53a5960a 4985 }
f7341ff4
FB		 4986 *q = NULL;
4987
da94d263 4988 for (gp = guest_envp, q = envp; gp;
992f48a0 4989 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4990 if (get_user_ual(addr, gp))
4991 goto execve_efault;
53a5960a
PB		 4992 if (!addr)
4993 break;
2f619698
FB		 4994 if (!(*q = lock_user_string(addr)))
4995 goto execve_efault;
a6f79cc9 4996 total_size += strlen(*q) + 1;
53a5960a 4997 }
f7341ff4 4998 *q = NULL;
7854b056 4999
a6f79cc9
UH		 5000 /* This case will not be caught by the host's execve() if its
5001 page size is bigger than the target's. */
5002 if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
5003 ret = -TARGET_E2BIG;
5004 goto execve_end;
5005 }
2f619698
FB		 5006 if (!(p = lock_user_string(arg1)))
5007 goto execve_efault;
53a5960a
PB		 5008 ret = get_errno(execve(p, argp, envp));
5009 unlock_user(p, arg1, 0);
5010
2f619698
FB		 5011 goto execve_end;
5012
5013 execve_efault:
5014 ret = -TARGET_EFAULT;
5015
5016 execve_end:
53a5960a 5017 for (gp = guest_argp, q = argp; *q;
992f48a0 5018 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5019 if (get_user_ual(addr, gp)
5020 || !addr)
5021 break;
53a5960a
PB		 5022 unlock_user(*q, addr, 0);
5023 }
5024 for (gp = guest_envp, q = envp; *q;
992f48a0 5025 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5026 if (get_user_ual(addr, gp)
5027 || !addr)
5028 break;
53a5960a
PB		 5029 unlock_user(*q, addr, 0);
5030 }
7854b056 5031 }
31e31b8a
FB		 5032 break;
5033 case TARGET_NR_chdir:
579a97f7
FB		 5034 if (!(p = lock_user_string(arg1)))
5035 goto efault;
53a5960a
PB		 5036 ret = get_errno(chdir(p));
5037 unlock_user(p, arg1, 0);
31e31b8a 5038 break;
a315a145 5039#ifdef TARGET_NR_time
31e31b8a
FB		 5040 case TARGET_NR_time:
5041 {
53a5960a
PB		 5042 time_t host_time;
5043 ret = get_errno(time(&host_time));
2f619698
FB		 5044 if (!is_error(ret)
5045 && arg1
5046 && put_user_sal(host_time, arg1))
5047 goto efault;
31e31b8a
FB		 5048 }
5049 break;
a315a145 5050#endif
31e31b8a 5051 case TARGET_NR_mknod:
579a97f7
FB		 5052 if (!(p = lock_user_string(arg1)))
5053 goto efault;
53a5960a
PB		 5054 ret = get_errno(mknod(p, arg2, arg3));
5055 unlock_user(p, arg1, 0);
31e31b8a 5056 break;
75ac37a0
TS		 5057#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
5058 case TARGET_NR_mknodat:
579a97f7
FB		 5059 if (!(p = lock_user_string(arg2)))
5060 goto efault;
5061 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
5062 unlock_user(p, arg2, 0);
75ac37a0
TS		 5063 break;
5064#endif
31e31b8a 5065 case TARGET_NR_chmod:
579a97f7
FB		 5066 if (!(p = lock_user_string(arg1)))
5067 goto efault;
53a5960a
PB		 5068 ret = get_errno(chmod(p, arg2));
5069 unlock_user(p, arg1, 0);
31e31b8a 5070 break;
ebc05488 5071#ifdef TARGET_NR_break
31e31b8a
FB		 5072 case TARGET_NR_break:
5073 goto unimplemented;
ebc05488
FB		 5074#endif
5075#ifdef TARGET_NR_oldstat
31e31b8a
FB		 5076 case TARGET_NR_oldstat:
5077 goto unimplemented;
ebc05488 5078#endif
31e31b8a
FB		 5079 case TARGET_NR_lseek:
5080 ret = get_errno(lseek(arg1, arg2, arg3));
5081 break;
9231733a
RH		 5082#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5083 /* Alpha specific */
7a3148a9 5084 case TARGET_NR_getxpid:
9231733a
RH		 5085 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
5086 ret = get_errno(getpid());
5087 break;
7a3148a9 5088#endif
9231733a
RH		 5089#ifdef TARGET_NR_getpid
5090 case TARGET_NR_getpid:
31e31b8a
FB		 5091 ret = get_errno(getpid());
5092 break;
9231733a 5093#endif
31e31b8a 5094 case TARGET_NR_mount:
80265918
TS		 5095 {
5096 /* need to look at the data field */
5097 void *p2, *p3;
5098 p = lock_user_string(arg1);
5099 p2 = lock_user_string(arg2);
5100 p3 = lock_user_string(arg3);
579a97f7
FB		 5101 if (!p || !p2 || !p3)
5102 ret = -TARGET_EFAULT;
dab46405 5103 else {
579a97f7
FB		 5104 /* FIXME - arg5 should be locked, but it isn't clear how to
5105 * do that since it's not guaranteed to be a NULL-terminated
5106 * string.
5107 */
dab46405
JSM		 5108 if ( ! arg5 )
5109 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
5110 else
5111 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
5112 }
579a97f7
FB		 5113 unlock_user(p, arg1, 0);
5114 unlock_user(p2, arg2, 0);
5115 unlock_user(p3, arg3, 0);
80265918
TS		 5116 break;
5117 }
e5febef5 5118#ifdef TARGET_NR_umount
31e31b8a 5119 case TARGET_NR_umount:
579a97f7
FB		 5120 if (!(p = lock_user_string(arg1)))
5121 goto efault;
53a5960a
PB		 5122 ret = get_errno(umount(p));
5123 unlock_user(p, arg1, 0);
31e31b8a 5124 break;
e5febef5 5125#endif
7a3148a9 5126#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 5127 case TARGET_NR_stime:
5128 {
53a5960a 5129 time_t host_time;
2f619698
FB		 5130 if (get_user_sal(host_time, arg1))
5131 goto efault;
53a5960a 5132 ret = get_errno(stime(&host_time));
31e31b8a
FB		 5133 }
5134 break;
7a3148a9 5135#endif
31e31b8a
FB		 5136 case TARGET_NR_ptrace:
5137 goto unimplemented;
7a3148a9 5138#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 5139 case TARGET_NR_alarm:
5140 ret = alarm(arg1);
5141 break;
7a3148a9 5142#endif
ebc05488 5143#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 5144 case TARGET_NR_oldfstat:
5145 goto unimplemented;
ebc05488 5146#endif
7a3148a9 5147#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 5148 case TARGET_NR_pause:
5149 ret = get_errno(pause());
5150 break;
7a3148a9 5151#endif
e5febef5 5152#ifdef TARGET_NR_utime
31e31b8a 5153 case TARGET_NR_utime:
ebc05488 5154 {
53a5960a
PB		 5155 struct utimbuf tbuf, *host_tbuf;
5156 struct target_utimbuf *target_tbuf;
5157 if (arg2) {
579a97f7
FB		 5158 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
5159 goto efault;
cbb21eed
MB		 5160 tbuf.actime = tswapal(target_tbuf->actime);
5161 tbuf.modtime = tswapal(target_tbuf->modtime);
53a5960a
PB		 5162 unlock_user_struct(target_tbuf, arg2, 0);
5163 host_tbuf = &tbuf;
f72e8ff4 5164 } else {
53a5960a 5165 host_tbuf = NULL;
f72e8ff4 5166 }
579a97f7
FB		 5167 if (!(p = lock_user_string(arg1)))
5168 goto efault;
53a5960a
PB		 5169 ret = get_errno(utime(p, host_tbuf));
5170 unlock_user(p, arg1, 0);
ebc05488
FB		 5171 }
5172 break;
e5febef5 5173#endif
978a66ff
FB		 5174 case TARGET_NR_utimes:
5175 {
978a66ff 5176 struct timeval *tvp, tv[2];
53a5960a 5177 if (arg2) {
788f5ec4
TS		 5178 if (copy_from_user_timeval(&tv[0], arg2)
5179 || copy_from_user_timeval(&tv[1],
5180 arg2 + sizeof(struct target_timeval)))
5181 goto efault;
978a66ff
FB		 5182 tvp = tv;
5183 } else {
5184 tvp = NULL;
5185 }
579a97f7
FB		 5186 if (!(p = lock_user_string(arg1)))
5187 goto efault;
53a5960a
PB		 5188 ret = get_errno(utimes(p, tvp));
5189 unlock_user(p, arg1, 0);
978a66ff
FB		 5190 }
5191 break;
ac8a6556
AZ		 5192#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
5193 case TARGET_NR_futimesat:
5194 {
5195 struct timeval *tvp, tv[2];
5196 if (arg3) {
5197 if (copy_from_user_timeval(&tv[0], arg3)
5198 || copy_from_user_timeval(&tv[1],
5199 arg3 + sizeof(struct target_timeval)))
5200 goto efault;
5201 tvp = tv;
5202 } else {
5203 tvp = NULL;
5204 }
5205 if (!(p = lock_user_string(arg2)))
5206 goto efault;
5207 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
5208 unlock_user(p, arg2, 0);
5209 }
5210 break;
5211#endif
ebc05488 5212#ifdef TARGET_NR_stty
31e31b8a
FB		 5213 case TARGET_NR_stty:
5214 goto unimplemented;
ebc05488
FB		 5215#endif
5216#ifdef TARGET_NR_gtty
31e31b8a
FB		 5217 case TARGET_NR_gtty:
5218 goto unimplemented;
ebc05488 5219#endif
31e31b8a 5220 case TARGET_NR_access:
579a97f7
FB		 5221 if (!(p = lock_user_string(arg1)))
5222 goto efault;
719f908e 5223 ret = get_errno(access(path(p), arg2));
53a5960a 5224 unlock_user(p, arg1, 0);
31e31b8a 5225 break;
92a34c10
TS		 5226#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5227 case TARGET_NR_faccessat:
579a97f7
FB		 5228 if (!(p = lock_user_string(arg2)))
5229 goto efault;
465c9f06 5230 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 5231 unlock_user(p, arg2, 0);
92a34c10
TS		 5232 break;
5233#endif
7a3148a9 5234#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 5235 case TARGET_NR_nice:
5236 ret = get_errno(nice(arg1));
5237 break;
7a3148a9 5238#endif
ebc05488 5239#ifdef TARGET_NR_ftime
31e31b8a
FB		 5240 case TARGET_NR_ftime:
5241 goto unimplemented;
ebc05488 5242#endif
31e31b8a 5243 case TARGET_NR_sync:
04369ff2
FB		 5244 sync();
5245 ret = 0;
31e31b8a
FB		 5246 break;
5247 case TARGET_NR_kill:
4cb05961 5248 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 5249 break;
5250 case TARGET_NR_rename:
53a5960a
PB		 5251 {
5252 void *p2;
5253 p = lock_user_string(arg1);
5254 p2 = lock_user_string(arg2);
579a97f7
FB		 5255 if (!p || !p2)
5256 ret = -TARGET_EFAULT;
5257 else
5258 ret = get_errno(rename(p, p2));
53a5960a
PB		 5259 unlock_user(p2, arg2, 0);
5260 unlock_user(p, arg1, 0);
5261 }
31e31b8a 5262 break;
722183f6
TS		 5263#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
5264 case TARGET_NR_renameat:
722183f6 5265 {
579a97f7 5266 void *p2;
722183f6
TS		 5267 p = lock_user_string(arg2);
5268 p2 = lock_user_string(arg4);
579a97f7 5269 if (!p || !p2)
0da46a6e 5270 ret = -TARGET_EFAULT;
722183f6
TS		 5271 else
5272 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 5273 unlock_user(p2, arg4, 0);
5274 unlock_user(p, arg2, 0);
722183f6
TS		 5275 }
5276 break;
5277#endif
31e31b8a 5278 case TARGET_NR_mkdir:
579a97f7
FB		 5279 if (!(p = lock_user_string(arg1)))
5280 goto efault;
53a5960a
PB		 5281 ret = get_errno(mkdir(p, arg2));
5282 unlock_user(p, arg1, 0);
31e31b8a 5283 break;
4472ad0d
TS		 5284#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
5285 case TARGET_NR_mkdirat:
579a97f7
FB		 5286 if (!(p = lock_user_string(arg2)))
5287 goto efault;
5288 ret = get_errno(sys_mkdirat(arg1, p, arg3));
5289 unlock_user(p, arg2, 0);
4472ad0d
TS		 5290 break;
5291#endif
31e31b8a 5292 case TARGET_NR_rmdir:
579a97f7
FB		 5293 if (!(p = lock_user_string(arg1)))
5294 goto efault;
53a5960a
PB		 5295 ret = get_errno(rmdir(p));
5296 unlock_user(p, arg1, 0);
31e31b8a
FB		 5297 break;
5298 case TARGET_NR_dup:
5299 ret = get_errno(dup(arg1));
5300 break;
5301 case TARGET_NR_pipe:
fb41a66e 5302 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f
RV		 5303 break;
5304#ifdef TARGET_NR_pipe2
5305 case TARGET_NR_pipe2:
fb41a66e 5306 ret = do_pipe(cpu_env, arg1, arg2, 1);
31e31b8a 5307 break;
099d6b0f 5308#endif
31e31b8a 5309 case TARGET_NR_times:
32f36bce 5310 {
53a5960a 5311 struct target_tms *tmsp;
32f36bce
FB		 5312 struct tms tms;
5313 ret = get_errno(times(&tms));
53a5960a 5314 if (arg1) {
579a97f7
FB		 5315 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
5316 if (!tmsp)
5317 goto efault;
cbb21eed
MB		 5318 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
5319 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
5320 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
5321 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
32f36bce 5322 }
c596ed17
FB		 5323 if (!is_error(ret))
5324 ret = host_to_target_clock_t(ret);
32f36bce
FB		 5325 }
5326 break;
ebc05488 5327#ifdef TARGET_NR_prof
31e31b8a
FB		 5328 case TARGET_NR_prof:
5329 goto unimplemented;
ebc05488 5330#endif
e5febef5 5331#ifdef TARGET_NR_signal
31e31b8a
FB		 5332 case TARGET_NR_signal:
5333 goto unimplemented;
e5febef5 5334#endif
31e31b8a 5335 case TARGET_NR_acct:
38d840e6
AJ		 5336 if (arg1 == 0) {
5337 ret = get_errno(acct(NULL));
5338 } else {
5339 if (!(p = lock_user_string(arg1)))
5340 goto efault;
5341 ret = get_errno(acct(path(p)));
5342 unlock_user(p, arg1, 0);
5343 }
24836689 5344 break;
7a3148a9 5345#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 5346 case TARGET_NR_umount2:
579a97f7
FB		 5347 if (!(p = lock_user_string(arg1)))
5348 goto efault;
53a5960a
PB		 5349 ret = get_errno(umount2(p, arg2));
5350 unlock_user(p, arg1, 0);
31e31b8a 5351 break;
7a3148a9 5352#endif
ebc05488 5353#ifdef TARGET_NR_lock
31e31b8a
FB		 5354 case TARGET_NR_lock:
5355 goto unimplemented;
ebc05488 5356#endif
31e31b8a
FB		 5357 case TARGET_NR_ioctl:
5358 ret = do_ioctl(arg1, arg2, arg3);
5359 break;
5360 case TARGET_NR_fcntl:
9ee1fa2c 5361 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 5362 break;
ebc05488 5363#ifdef TARGET_NR_mpx
31e31b8a
FB		 5364 case TARGET_NR_mpx:
5365 goto unimplemented;
ebc05488 5366#endif
31e31b8a
FB		 5367 case TARGET_NR_setpgid:
5368 ret = get_errno(setpgid(arg1, arg2));
5369 break;
ebc05488 5370#ifdef TARGET_NR_ulimit
31e31b8a
FB		 5371 case TARGET_NR_ulimit:
5372 goto unimplemented;
ebc05488
FB		 5373#endif
5374#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 5375 case TARGET_NR_oldolduname:
5376 goto unimplemented;
ebc05488 5377#endif
31e31b8a
FB		 5378 case TARGET_NR_umask:
5379 ret = get_errno(umask(arg1));
5380 break;
5381 case TARGET_NR_chroot:
579a97f7
FB		 5382 if (!(p = lock_user_string(arg1)))
5383 goto efault;
53a5960a
PB		 5384 ret = get_errno(chroot(p));
5385 unlock_user(p, arg1, 0);
31e31b8a
FB		 5386 break;
5387 case TARGET_NR_ustat:
5388 goto unimplemented;
5389 case TARGET_NR_dup2:
5390 ret = get_errno(dup2(arg1, arg2));
5391 break;
d0927938
UH		 5392#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5393 case TARGET_NR_dup3:
5394 ret = get_errno(dup3(arg1, arg2, arg3));
5395 break;
5396#endif
7a3148a9 5397#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 5398 case TARGET_NR_getppid:
5399 ret = get_errno(getppid());
5400 break;
7a3148a9 5401#endif
31e31b8a
FB		 5402 case TARGET_NR_getpgrp:
5403 ret = get_errno(getpgrp());
5404 break;
5405 case TARGET_NR_setsid:
5406 ret = get_errno(setsid());
5407 break;
e5febef5 5408#ifdef TARGET_NR_sigaction
31e31b8a 5409 case TARGET_NR_sigaction:
31e31b8a 5410 {
6049f4f8
RH		 5411#if defined(TARGET_ALPHA)
5412 struct target_sigaction act, oact, *pact = 0;
53a5960a 5413 struct target_old_sigaction *old_act;
53a5960a 5414 if (arg2) {
579a97f7
FB		 5415 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5416 goto efault;
66fb9763
FB		 5417 act._sa_handler = old_act->_sa_handler;
5418 target_siginitset(&act.sa_mask, old_act->sa_mask);
5419 act.sa_flags = old_act->sa_flags;
6049f4f8 5420 act.sa_restorer = 0;
53a5960a 5421 unlock_user_struct(old_act, arg2, 0);
66fb9763 5422 pact = &act;
66fb9763
FB		 5423 }
5424 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 5425 if (!is_error(ret) && arg3) {
579a97f7
FB		 5426 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5427 goto efault;
53a5960a
PB		 5428 old_act->_sa_handler = oact._sa_handler;
5429 old_act->sa_mask = oact.sa_mask.sig[0];
5430 old_act->sa_flags = oact.sa_flags;
53a5960a 5431 unlock_user_struct(old_act, arg3, 1);
66fb9763 5432 }
6049f4f8 5433#elif defined(TARGET_MIPS)
106ec879
FB		 5434 struct target_sigaction act, oact, *pact, *old_act;
5435
5436 if (arg2) {
579a97f7
FB		 5437 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5438 goto efault;
106ec879
FB		 5439 act._sa_handler = old_act->_sa_handler;
5440 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
5441 act.sa_flags = old_act->sa_flags;
5442 unlock_user_struct(old_act, arg2, 0);
5443 pact = &act;
5444 } else {
5445 pact = NULL;
5446 }
5447
5448 ret = get_errno(do_sigaction(arg1, pact, &oact));
5449
5450 if (!is_error(ret) && arg3) {
579a97f7
FB		 5451 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5452 goto efault;
106ec879
FB		 5453 old_act->_sa_handler = oact._sa_handler;
5454 old_act->sa_flags = oact.sa_flags;
5455 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
5456 old_act->sa_mask.sig[1] = 0;
5457 old_act->sa_mask.sig[2] = 0;
5458 old_act->sa_mask.sig[3] = 0;
5459 unlock_user_struct(old_act, arg3, 1);
5460 }
6049f4f8
RH		 5461#else
5462 struct target_old_sigaction *old_act;
5463 struct target_sigaction act, oact, *pact;
5464 if (arg2) {
5465 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5466 goto efault;
5467 act._sa_handler = old_act->_sa_handler;
5468 target_siginitset(&act.sa_mask, old_act->sa_mask);
5469 act.sa_flags = old_act->sa_flags;
5470 act.sa_restorer = old_act->sa_restorer;
5471 unlock_user_struct(old_act, arg2, 0);
5472 pact = &act;
5473 } else {
5474 pact = NULL;
5475 }
5476 ret = get_errno(do_sigaction(arg1, pact, &oact));
5477 if (!is_error(ret) && arg3) {
5478 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5479 goto efault;
5480 old_act->_sa_handler = oact._sa_handler;
5481 old_act->sa_mask = oact.sa_mask.sig[0];
5482 old_act->sa_flags = oact.sa_flags;
5483 old_act->sa_restorer = oact.sa_restorer;
5484 unlock_user_struct(old_act, arg3, 1);
5485 }
388bb21a 5486#endif
31e31b8a
FB		 5487 }
5488 break;
e5febef5 5489#endif
66fb9763 5490 case TARGET_NR_rt_sigaction:
53a5960a 5491 {
6049f4f8
RH		 5492#if defined(TARGET_ALPHA)
5493 struct target_sigaction act, oact, *pact = 0;
5494 struct target_rt_sigaction *rt_act;
5495 /* ??? arg4 == sizeof(sigset_t). */
5496 if (arg2) {
5497 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
5498 goto efault;
5499 act._sa_handler = rt_act->_sa_handler;
5500 act.sa_mask = rt_act->sa_mask;
5501 act.sa_flags = rt_act->sa_flags;
5502 act.sa_restorer = arg5;
5503 unlock_user_struct(rt_act, arg2, 0);
5504 pact = &act;
5505 }
5506 ret = get_errno(do_sigaction(arg1, pact, &oact));
5507 if (!is_error(ret) && arg3) {
5508 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
5509 goto efault;
5510 rt_act->_sa_handler = oact._sa_handler;
5511 rt_act->sa_mask = oact.sa_mask;
5512 rt_act->sa_flags = oact.sa_flags;
5513 unlock_user_struct(rt_act, arg3, 1);
5514 }
5515#else
53a5960a
PB		 5516 struct target_sigaction *act;
5517 struct target_sigaction *oact;
5518
579a97f7
FB		 5519 if (arg2) {
5520 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
5521 goto efault;
5522 } else
53a5960a 5523 act = NULL;
579a97f7
FB		 5524 if (arg3) {
5525 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
5526 ret = -TARGET_EFAULT;
5527 goto rt_sigaction_fail;
5528 }
5529 } else
53a5960a
PB		 5530 oact = NULL;
5531 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 5532 rt_sigaction_fail:
5533 if (act)
53a5960a 5534 unlock_user_struct(act, arg2, 0);
579a97f7 5535 if (oact)
53a5960a 5536 unlock_user_struct(oact, arg3, 1);
6049f4f8 5537#endif
53a5960a 5538 }
66fb9763 5539 break;
7a3148a9 5540#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 5541 case TARGET_NR_sgetmask:
66fb9763
FB		 5542 {
5543 sigset_t cur_set;
992f48a0 5544 abi_ulong target_set;
66fb9763
FB		 5545 sigprocmask(0, NULL, &cur_set);
5546 host_to_target_old_sigset(&target_set, &cur_set);
5547 ret = target_set;
5548 }
5549 break;
7a3148a9
JM		 5550#endif
5551#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 5552 case TARGET_NR_ssetmask:
66fb9763
FB		 5553 {
5554 sigset_t set, oset, cur_set;
992f48a0 5555 abi_ulong target_set = arg1;
66fb9763
FB		 5556 sigprocmask(0, NULL, &cur_set);
5557 target_to_host_old_sigset(&set, &target_set);
5558 sigorset(&set, &set, &cur_set);
5559 sigprocmask(SIG_SETMASK, &set, &oset);
5560 host_to_target_old_sigset(&target_set, &oset);
5561 ret = target_set;
5562 }
5563 break;
7a3148a9 5564#endif
e5febef5 5565#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 5566 case TARGET_NR_sigprocmask:
5567 {
a5b3b13b
RH		 5568#if defined(TARGET_ALPHA)
5569 sigset_t set, oldset;
5570 abi_ulong mask;
5571 int how;
5572
5573 switch (arg1) {
5574 case TARGET_SIG_BLOCK:
5575 how = SIG_BLOCK;
5576 break;
5577 case TARGET_SIG_UNBLOCK:
5578 how = SIG_UNBLOCK;
5579 break;
5580 case TARGET_SIG_SETMASK:
5581 how = SIG_SETMASK;
5582 break;
5583 default:
5584 ret = -TARGET_EINVAL;
5585 goto fail;
5586 }
5587 mask = arg2;
5588 target_to_host_old_sigset(&set, &mask);
5589
5590 ret = get_errno(sigprocmask(how, &set, &oldset));
5591
5592 if (!is_error(ret)) {
5593 host_to_target_old_sigset(&mask, &oldset);
5594 ret = mask;
5595 ((CPUAlphaState *)cpu_env)->[IR_V0] = 0; /* force no error */
5596 }
5597#else
66fb9763 5598 sigset_t set, oldset, *set_ptr;
a5b3b13b 5599 int how;
3b46e624 5600
53a5960a 5601 if (arg2) {
a5b3b13b 5602 switch (arg1) {
66fb9763
FB		 5603 case TARGET_SIG_BLOCK:
5604 how = SIG_BLOCK;
5605 break;
5606 case TARGET_SIG_UNBLOCK:
5607 how = SIG_UNBLOCK;
5608 break;
5609 case TARGET_SIG_SETMASK:
5610 how = SIG_SETMASK;
5611 break;
5612 default:
0da46a6e 5613 ret = -TARGET_EINVAL;
66fb9763
FB		 5614 goto fail;
5615 }
c227f099 5616 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5617 goto efault;
53a5960a
PB		 5618 target_to_host_old_sigset(&set, p);
5619 unlock_user(p, arg2, 0);
66fb9763
FB		 5620 set_ptr = &set;
5621 } else {
5622 how = 0;
5623 set_ptr = NULL;
5624 }
a5b3b13b 5625 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5626 if (!is_error(ret) && arg3) {
c227f099 5627 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5628 goto efault;
53a5960a 5629 host_to_target_old_sigset(p, &oldset);
c227f099 5630 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 5631 }
a5b3b13b 5632#endif
66fb9763
FB		 5633 }
5634 break;
e5febef5 5635#endif
66fb9763
FB		 5636 case TARGET_NR_rt_sigprocmask:
5637 {
5638 int how = arg1;
5639 sigset_t set, oldset, *set_ptr;
3b46e624 5640
53a5960a 5641 if (arg2) {
66fb9763
FB		 5642 switch(how) {
5643 case TARGET_SIG_BLOCK:
5644 how = SIG_BLOCK;
5645 break;
5646 case TARGET_SIG_UNBLOCK:
5647 how = SIG_UNBLOCK;
5648 break;
5649 case TARGET_SIG_SETMASK:
5650 how = SIG_SETMASK;
5651 break;
5652 default:
0da46a6e 5653 ret = -TARGET_EINVAL;
66fb9763
FB		 5654 goto fail;
5655 }
c227f099 5656 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5657 goto efault;
53a5960a
PB		 5658 target_to_host_sigset(&set, p);
5659 unlock_user(p, arg2, 0);
66fb9763
FB		 5660 set_ptr = &set;
5661 } else {
5662 how = 0;
5663 set_ptr = NULL;
5664 }
5665 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5666 if (!is_error(ret) && arg3) {
c227f099 5667 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5668 goto efault;
53a5960a 5669 host_to_target_sigset(p, &oldset);
c227f099 5670 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 5671 }
5672 }
5673 break;
e5febef5 5674#ifdef TARGET_NR_sigpending
66fb9763
FB		 5675 case TARGET_NR_sigpending:
5676 {
5677 sigset_t set;
5678 ret = get_errno(sigpending(&set));
5679 if (!is_error(ret)) {
c227f099 5680 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5681 goto efault;
53a5960a 5682 host_to_target_old_sigset(p, &set);
c227f099 5683 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5684 }
5685 }
5686 break;
e5febef5 5687#endif
66fb9763
FB		 5688 case TARGET_NR_rt_sigpending:
5689 {
5690 sigset_t set;
5691 ret = get_errno(sigpending(&set));
5692 if (!is_error(ret)) {
c227f099 5693 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5694 goto efault;
53a5960a 5695 host_to_target_sigset(p, &set);
c227f099 5696 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5697 }
5698 }
5699 break;
e5febef5 5700#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 5701 case TARGET_NR_sigsuspend:
5702 {
5703 sigset_t set;
f43ce12b
RH		 5704#if defined(TARGET_ALPHA)
5705 abi_ulong mask = arg1;
5706 target_to_host_old_sigset(&set, &mask);
5707#else
c227f099 5708 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5709 goto efault;
53a5960a
PB		 5710 target_to_host_old_sigset(&set, p);
5711 unlock_user(p, arg1, 0);
f43ce12b 5712#endif
66fb9763
FB		 5713 ret = get_errno(sigsuspend(&set));
5714 }
5715 break;
e5febef5 5716#endif
66fb9763
FB		 5717 case TARGET_NR_rt_sigsuspend:
5718 {
5719 sigset_t set;
c227f099 5720 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5721 goto efault;
53a5960a
PB		 5722 target_to_host_sigset(&set, p);
5723 unlock_user(p, arg1, 0);
66fb9763
FB		 5724 ret = get_errno(sigsuspend(&set));
5725 }
5726 break;
5727 case TARGET_NR_rt_sigtimedwait:
5728 {
66fb9763
FB		 5729 sigset_t set;
5730 struct timespec uts, *puts;
5731 siginfo_t uinfo;
3b46e624 5732
c227f099 5733 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5734 goto efault;
53a5960a
PB		 5735 target_to_host_sigset(&set, p);
5736 unlock_user(p, arg1, 0);
5737 if (arg3) {
66fb9763 5738 puts = &uts;
53a5960a 5739 target_to_host_timespec(puts, arg3);
66fb9763
FB		 5740 } else {
5741 puts = NULL;
5742 }
5743 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 5744 if (!is_error(ret) && arg2) {
c227f099 5745 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 5746 goto efault;
53a5960a 5747 host_to_target_siginfo(p, &uinfo);
c227f099 5748 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 5749 }
5750 }
5751 break;
5752 case TARGET_NR_rt_sigqueueinfo:
5753 {
5754 siginfo_t uinfo;
c227f099 5755 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 5756 goto efault;
53a5960a
PB		 5757 target_to_host_siginfo(&uinfo, p);
5758 unlock_user(p, arg1, 0);
66fb9763
FB		 5759 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5760 }
5761 break;
e5febef5 5762#ifdef TARGET_NR_sigreturn
66fb9763
FB		 5763 case TARGET_NR_sigreturn:
5764 /* NOTE: ret is eax, so not transcoding must be done */
5765 ret = do_sigreturn(cpu_env);
5766 break;
e5febef5 5767#endif
66fb9763
FB		 5768 case TARGET_NR_rt_sigreturn:
5769 /* NOTE: ret is eax, so not transcoding must be done */
5770 ret = do_rt_sigreturn(cpu_env);
5771 break;
31e31b8a 5772 case TARGET_NR_sethostname:
579a97f7
FB		 5773 if (!(p = lock_user_string(arg1)))
5774 goto efault;
53a5960a
PB		 5775 ret = get_errno(sethostname(p, arg2));
5776 unlock_user(p, arg1, 0);
31e31b8a
FB		 5777 break;
5778 case TARGET_NR_setrlimit:
9de5e440 5779 {
e22b7015 5780 int resource = target_to_host_resource(arg1);
53a5960a 5781 struct target_rlimit *target_rlim;
9de5e440 5782 struct rlimit rlim;
579a97f7
FB		 5783 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5784 goto efault;
81bbe906 5785 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
5786 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 5787 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 5788 ret = get_errno(setrlimit(resource, &rlim));
5789 }
5790 break;
31e31b8a 5791 case TARGET_NR_getrlimit:
9de5e440 5792 {
e22b7015 5793 int resource = target_to_host_resource(arg1);
53a5960a 5794 struct target_rlimit *target_rlim;
9de5e440 5795 struct rlimit rlim;
3b46e624 5796
9de5e440
FB		 5797 ret = get_errno(getrlimit(resource, &rlim));
5798 if (!is_error(ret)) {
579a97f7
FB		 5799 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5800 goto efault;
81bbe906 5801 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
5802 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 5803 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 5804 }
5805 }
5806 break;
31e31b8a 5807 case TARGET_NR_getrusage:
b409186b
FB		 5808 {
5809 struct rusage rusage;
b409186b
FB		 5810 ret = get_errno(getrusage(arg1, &rusage));
5811 if (!is_error(ret)) {
53a5960a 5812 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 5813 }
5814 }
5815 break;
31e31b8a
FB		 5816 case TARGET_NR_gettimeofday:
5817 {
31e31b8a
FB		 5818 struct timeval tv;
5819 ret = get_errno(gettimeofday(&tv, NULL));
5820 if (!is_error(ret)) {
788f5ec4
TS		 5821 if (copy_to_user_timeval(arg1, &tv))
5822 goto efault;
31e31b8a
FB		 5823 }
5824 }
5825 break;
5826 case TARGET_NR_settimeofday:
5827 {
31e31b8a 5828 struct timeval tv;
788f5ec4
TS		 5829 if (copy_from_user_timeval(&tv, arg1))
5830 goto efault;
31e31b8a
FB		 5831 ret = get_errno(settimeofday(&tv, NULL));
5832 }
5833 break;
a4c075f1 5834#if defined(TARGET_NR_select) && !defined(TARGET_S390X) && !defined(TARGET_S390)
31e31b8a 5835 case TARGET_NR_select:
f2674e31 5836 {
53a5960a 5837 struct target_sel_arg_struct *sel;
992f48a0 5838 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 5839 long nsel;
5840
579a97f7
FB		 5841 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5842 goto efault;
cbb21eed
MB		 5843 nsel = tswapal(sel->n);
5844 inp = tswapal(sel->inp);
5845 outp = tswapal(sel->outp);
5846 exp = tswapal(sel->exp);
5847 tvp = tswapal(sel->tvp);
53a5960a
PB		 5848 unlock_user_struct(sel, arg1, 0);
5849 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 5850 }
5851 break;
9e42382f
RV		 5852#endif
5853#ifdef TARGET_NR_pselect6
5854 case TARGET_NR_pselect6:
055e0906
MF		 5855 {
5856 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
5857 fd_set rfds, wfds, efds;
5858 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
5859 struct timespec ts, *ts_ptr;
5860
5861 /*
5862 * The 6th arg is actually two args smashed together,
5863 * so we cannot use the C library.
5864 */
5865 sigset_t set;
5866 struct {
5867 sigset_t *set;
5868 size_t size;
5869 } sig, *sig_ptr;
5870
5871 abi_ulong arg_sigset, arg_sigsize, *arg7;
5872 target_sigset_t *target_sigset;
5873
5874 n = arg1;
5875 rfd_addr = arg2;
5876 wfd_addr = arg3;
5877 efd_addr = arg4;
5878 ts_addr = arg5;
5879
5880 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
5881 if (ret) {
5882 goto fail;
5883 }
5884 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
5885 if (ret) {
5886 goto fail;
5887 }
5888 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
5889 if (ret) {
5890 goto fail;
5891 }
5892
5893 /*
5894 * This takes a timespec, and not a timeval, so we cannot
5895 * use the do_select() helper ...
5896 */
5897 if (ts_addr) {
5898 if (target_to_host_timespec(&ts, ts_addr)) {
5899 goto efault;
5900 }
5901 ts_ptr = &ts;
5902 } else {
5903 ts_ptr = NULL;
5904 }
5905
5906 /* Extract the two packed args for the sigset */
5907 if (arg6) {
5908 sig_ptr = &sig;
5909 sig.size = _NSIG / 8;
5910
5911 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
5912 if (!arg7) {
5913 goto efault;
5914 }
cbb21eed
MB		 5915 arg_sigset = tswapal(arg7[0]);
5916 arg_sigsize = tswapal(arg7[1]);
055e0906
MF		 5917 unlock_user(arg7, arg6, 0);
5918
5919 if (arg_sigset) {
5920 sig.set = &set;
8f04eeb3
PM		 5921 if (arg_sigsize != sizeof(*target_sigset)) {
5922 /* Like the kernel, we enforce correct size sigsets */
5923 ret = -TARGET_EINVAL;
5924 goto fail;
5925 }
055e0906
MF		 5926 target_sigset = lock_user(VERIFY_READ, arg_sigset,
5927 sizeof(*target_sigset), 1);
5928 if (!target_sigset) {
5929 goto efault;
5930 }
5931 target_to_host_sigset(&set, target_sigset);
5932 unlock_user(target_sigset, arg_sigset, 0);
5933 } else {
5934 sig.set = NULL;
5935 }
5936 } else {
5937 sig_ptr = NULL;
5938 }
5939
5940 ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
5941 ts_ptr, sig_ptr));
5942
5943 if (!is_error(ret)) {
5944 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
5945 goto efault;
5946 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
5947 goto efault;
5948 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
5949 goto efault;
5950
5951 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
5952 goto efault;
5953 }
5954 }
5955 break;
048f6b4d 5956#endif
31e31b8a 5957 case TARGET_NR_symlink:
53a5960a
PB		 5958 {
5959 void *p2;
5960 p = lock_user_string(arg1);
5961 p2 = lock_user_string(arg2);
579a97f7
FB		 5962 if (!p || !p2)
5963 ret = -TARGET_EFAULT;
5964 else
5965 ret = get_errno(symlink(p, p2));
53a5960a
PB		 5966 unlock_user(p2, arg2, 0);
5967 unlock_user(p, arg1, 0);
5968 }
31e31b8a 5969 break;
f0b6243d
TS		 5970#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5971 case TARGET_NR_symlinkat:
f0b6243d 5972 {
579a97f7 5973 void *p2;
f0b6243d
TS		 5974 p = lock_user_string(arg1);
5975 p2 = lock_user_string(arg3);
579a97f7 5976 if (!p || !p2)
0da46a6e 5977 ret = -TARGET_EFAULT;
f0b6243d
TS		 5978 else
5979 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 5980 unlock_user(p2, arg3, 0);
5981 unlock_user(p, arg1, 0);
f0b6243d
TS		 5982 }
5983 break;
5984#endif
ebc05488 5985#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 5986 case TARGET_NR_oldlstat:
5987 goto unimplemented;
ebc05488 5988#endif
31e31b8a 5989 case TARGET_NR_readlink:
53a5960a 5990 {
d088d664 5991 void *p2, *temp;
53a5960a 5992 p = lock_user_string(arg1);
579a97f7
FB		 5993 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5994 if (!p || !p2)
5995 ret = -TARGET_EFAULT;
d088d664
AJ		 5996 else {
5997 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5998 char real[PATH_MAX];
5999 temp = realpath(exec_path,real);
6000 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
6001 snprintf((char *)p2, arg3, "%s", real);
6002 }
6003 else
6004 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 6005 }
53a5960a
PB		 6006 unlock_user(p2, arg2, ret);
6007 unlock_user(p, arg1, 0);
6008 }
31e31b8a 6009 break;
5e0ccb18
TS		 6010#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
6011 case TARGET_NR_readlinkat:
5e0ccb18 6012 {
579a97f7 6013 void *p2;
5e0ccb18 6014 p = lock_user_string(arg2);
579a97f7
FB		 6015 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
6016 if (!p || !p2)
0da46a6e 6017 ret = -TARGET_EFAULT;
5e0ccb18
TS		 6018 else
6019 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 6020 unlock_user(p2, arg3, ret);
6021 unlock_user(p, arg2, 0);
5e0ccb18
TS		 6022 }
6023 break;
6024#endif
e5febef5 6025#ifdef TARGET_NR_uselib
31e31b8a
FB		 6026 case TARGET_NR_uselib:
6027 goto unimplemented;
e5febef5
TS		 6028#endif
6029#ifdef TARGET_NR_swapon
31e31b8a 6030 case TARGET_NR_swapon:
579a97f7
FB		 6031 if (!(p = lock_user_string(arg1)))
6032 goto efault;
53a5960a
PB		 6033 ret = get_errno(swapon(p, arg2));
6034 unlock_user(p, arg1, 0);
31e31b8a 6035 break;
e5febef5 6036#endif
31e31b8a 6037 case TARGET_NR_reboot:
0f6b4d21
AG		 6038 if (!(p = lock_user_string(arg4)))
6039 goto efault;
6040 ret = reboot(arg1, arg2, arg3, p);
6041 unlock_user(p, arg4, 0);
6042 break;
e5febef5 6043#ifdef TARGET_NR_readdir
31e31b8a
FB		 6044 case TARGET_NR_readdir:
6045 goto unimplemented;
e5febef5
TS		 6046#endif
6047#ifdef TARGET_NR_mmap
31e31b8a 6048 case TARGET_NR_mmap:
a4c075f1
UH		 6049#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || \
6050 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6051 || defined(TARGET_S390X)
31e31b8a 6052 {
992f48a0
BS		 6053 abi_ulong *v;
6054 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 6055 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
6056 goto efault;
cbb21eed
MB		 6057 v1 = tswapal(v[0]);
6058 v2 = tswapal(v[1]);
6059 v3 = tswapal(v[2]);
6060 v4 = tswapal(v[3]);
6061 v5 = tswapal(v[4]);
6062 v6 = tswapal(v[5]);
53a5960a 6063 unlock_user(v, arg1, 0);
5fafdf24 6064 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 6065 target_to_host_bitmask(v4, mmap_flags_tbl),
6066 v5, v6));
31e31b8a 6067 }
31e31b8a 6068#else
5fafdf24
TS		 6069 ret = get_errno(target_mmap(arg1, arg2, arg3,
6070 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 6071 arg5,
6072 arg6));
31e31b8a 6073#endif
6fb883e8 6074 break;
e5febef5 6075#endif
a315a145 6076#ifdef TARGET_NR_mmap2
6fb883e8 6077 case TARGET_NR_mmap2:
bb7ec043 6078#ifndef MMAP_SHIFT
c573ff67 6079#define MMAP_SHIFT 12
c573ff67 6080#endif
5fafdf24
TS		 6081 ret = get_errno(target_mmap(arg1, arg2, arg3,
6082 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 6083 arg5,
c573ff67 6084 arg6 << MMAP_SHIFT));
31e31b8a 6085 break;
a315a145 6086#endif
31e31b8a 6087 case TARGET_NR_munmap:
54936004 6088 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 6089 break;
9de5e440 6090 case TARGET_NR_mprotect:
97374d38
PB		 6091 {
6092 TaskState *ts = ((CPUState *)cpu_env)->opaque;
6093 /* Special hack to detect libc making the stack executable. */
6094 if ((arg3 & PROT_GROWSDOWN)
6095 && arg1 >= ts->info->stack_limit
6096 && arg1 <= ts->info->start_stack) {
6097 arg3 &= ~PROT_GROWSDOWN;
6098 arg2 = arg2 + arg1 - ts->info->stack_limit;
6099 arg1 = ts->info->stack_limit;
6100 }
6101 }
54936004 6102 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 6103 break;
e5febef5 6104#ifdef TARGET_NR_mremap
9de5e440 6105 case TARGET_NR_mremap:
54936004 6106 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 6107 break;
e5febef5 6108#endif
53a5960a 6109 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 6110#ifdef TARGET_NR_msync
9de5e440 6111 case TARGET_NR_msync:
53a5960a 6112 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 6113 break;
e5febef5
TS		 6114#endif
6115#ifdef TARGET_NR_mlock
9de5e440 6116 case TARGET_NR_mlock:
53a5960a 6117 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 6118 break;
e5febef5
TS		 6119#endif
6120#ifdef TARGET_NR_munlock
9de5e440 6121 case TARGET_NR_munlock:
53a5960a 6122 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 6123 break;
e5febef5
TS		 6124#endif
6125#ifdef TARGET_NR_mlockall
9de5e440
FB		 6126 case TARGET_NR_mlockall:
6127 ret = get_errno(mlockall(arg1));
6128 break;
e5febef5
TS		 6129#endif
6130#ifdef TARGET_NR_munlockall
9de5e440
FB		 6131 case TARGET_NR_munlockall:
6132 ret = get_errno(munlockall());
6133 break;
e5febef5 6134#endif
31e31b8a 6135 case TARGET_NR_truncate:
579a97f7
FB		 6136 if (!(p = lock_user_string(arg1)))
6137 goto efault;
53a5960a
PB		 6138 ret = get_errno(truncate(p, arg2));
6139 unlock_user(p, arg1, 0);
31e31b8a
FB		 6140 break;
6141 case TARGET_NR_ftruncate:
6142 ret = get_errno(ftruncate(arg1, arg2));
6143 break;
6144 case TARGET_NR_fchmod:
6145 ret = get_errno(fchmod(arg1, arg2));
6146 break;
814d7977
TS		 6147#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
6148 case TARGET_NR_fchmodat:
579a97f7
FB		 6149 if (!(p = lock_user_string(arg2)))
6150 goto efault;
465c9f06 6151 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 6152 unlock_user(p, arg2, 0);
814d7977
TS		 6153 break;
6154#endif
31e31b8a 6155 case TARGET_NR_getpriority:
c6cda17a
TS		 6156 /* libc does special remapping of the return value of
6157 * sys_getpriority() so it's just easiest to call
6158 * sys_getpriority() directly rather than through libc. */
69137206 6159 ret = get_errno(sys_getpriority(arg1, arg2));
31e31b8a
FB		 6160 break;
6161 case TARGET_NR_setpriority:
6162 ret = get_errno(setpriority(arg1, arg2, arg3));
6163 break;
ebc05488 6164#ifdef TARGET_NR_profil
31e31b8a
FB		 6165 case TARGET_NR_profil:
6166 goto unimplemented;
ebc05488 6167#endif
31e31b8a 6168 case TARGET_NR_statfs:
579a97f7
FB		 6169 if (!(p = lock_user_string(arg1)))
6170 goto efault;
53a5960a
PB		 6171 ret = get_errno(statfs(path(p), &stfs));
6172 unlock_user(p, arg1, 0);
31e31b8a
FB		 6173 convert_statfs:
6174 if (!is_error(ret)) {
53a5960a 6175 struct target_statfs *target_stfs;
3b46e624 6176
579a97f7
FB		 6177 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
6178 goto efault;
6179 __put_user(stfs.f_type, &target_stfs->f_type);
6180 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6181 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6182 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6183 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6184 __put_user(stfs.f_files, &target_stfs->f_files);
6185 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6186 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6187 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6188 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 6189 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 6190 }
6191 break;
6192 case TARGET_NR_fstatfs:
56c8f68f 6193 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 6194 goto convert_statfs;
56c8f68f
FB		 6195#ifdef TARGET_NR_statfs64
6196 case TARGET_NR_statfs64:
579a97f7
FB		 6197 if (!(p = lock_user_string(arg1)))
6198 goto efault;
53a5960a
PB		 6199 ret = get_errno(statfs(path(p), &stfs));
6200 unlock_user(p, arg1, 0);
56c8f68f
FB		 6201 convert_statfs64:
6202 if (!is_error(ret)) {
53a5960a 6203 struct target_statfs64 *target_stfs;
3b46e624 6204
579a97f7
FB		 6205 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
6206 goto efault;
6207 __put_user(stfs.f_type, &target_stfs->f_type);
6208 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6209 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6210 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6211 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6212 __put_user(stfs.f_files, &target_stfs->f_files);
6213 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6214 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6215 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6216 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
6217 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 6218 }
6219 break;
6220 case TARGET_NR_fstatfs64:
6221 ret = get_errno(fstatfs(arg1, &stfs));
6222 goto convert_statfs64;
6223#endif
ebc05488 6224#ifdef TARGET_NR_ioperm
31e31b8a
FB		 6225 case TARGET_NR_ioperm:
6226 goto unimplemented;
ebc05488 6227#endif
e5febef5 6228#ifdef TARGET_NR_socketcall
31e31b8a 6229 case TARGET_NR_socketcall:
53a5960a 6230 ret = do_socketcall(arg1, arg2);
31e31b8a 6231 break;
e5febef5 6232#endif
3532fa74
FB		 6233#ifdef TARGET_NR_accept
6234 case TARGET_NR_accept:
1be9e1dc 6235 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 6236 break;
6237#endif
6238#ifdef TARGET_NR_bind
6239 case TARGET_NR_bind:
6240 ret = do_bind(arg1, arg2, arg3);
6241 break;
6242#endif
6243#ifdef TARGET_NR_connect
6244 case TARGET_NR_connect:
6245 ret = do_connect(arg1, arg2, arg3);
6246 break;
6247#endif
6248#ifdef TARGET_NR_getpeername
6249 case TARGET_NR_getpeername:
1be9e1dc 6250 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 6251 break;
6252#endif
6253#ifdef TARGET_NR_getsockname
6254 case TARGET_NR_getsockname:
1be9e1dc 6255 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 6256 break;
6257#endif
6258#ifdef TARGET_NR_getsockopt
6259 case TARGET_NR_getsockopt:
6260 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
6261 break;
6262#endif
6263#ifdef TARGET_NR_listen
6264 case TARGET_NR_listen:
1be9e1dc 6265 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 6266 break;
6267#endif
6268#ifdef TARGET_NR_recv
6269 case TARGET_NR_recv:
214201bd 6270 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6271 break;
6272#endif
6273#ifdef TARGET_NR_recvfrom
6274 case TARGET_NR_recvfrom:
214201bd 6275 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6276 break;
6277#endif
6278#ifdef TARGET_NR_recvmsg
6279 case TARGET_NR_recvmsg:
6280 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
6281 break;
6282#endif
6283#ifdef TARGET_NR_send
6284 case TARGET_NR_send:
1be9e1dc 6285 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6286 break;
6287#endif
6288#ifdef TARGET_NR_sendmsg
6289 case TARGET_NR_sendmsg:
6290 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
6291 break;
6292#endif
6293#ifdef TARGET_NR_sendto
6294 case TARGET_NR_sendto:
1be9e1dc 6295 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6296 break;
6297#endif
6298#ifdef TARGET_NR_shutdown
6299 case TARGET_NR_shutdown:
1be9e1dc 6300 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 6301 break;
6302#endif
6303#ifdef TARGET_NR_socket
6304 case TARGET_NR_socket:
6305 ret = do_socket(arg1, arg2, arg3);
6306 break;
6307#endif
6308#ifdef TARGET_NR_socketpair
6309 case TARGET_NR_socketpair:
1be9e1dc 6310 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 6311 break;
6312#endif
6313#ifdef TARGET_NR_setsockopt
6314 case TARGET_NR_setsockopt:
6315 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
6316 break;
6317#endif
7494b0f9 6318
31e31b8a 6319 case TARGET_NR_syslog:
579a97f7
FB		 6320 if (!(p = lock_user_string(arg2)))
6321 goto efault;
e5574487
TS		 6322 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
6323 unlock_user(p, arg2, 0);
7494b0f9
TS		 6324 break;
6325
31e31b8a 6326 case TARGET_NR_setitimer:
66fb9763 6327 {
66fb9763
FB		 6328 struct itimerval value, ovalue, *pvalue;
6329
53a5960a 6330 if (arg2) {
66fb9763 6331 pvalue = &value;
788f5ec4
TS		 6332 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
6333 || copy_from_user_timeval(&pvalue->it_value,
6334 arg2 + sizeof(struct target_timeval)))
6335 goto efault;
66fb9763
FB		 6336 } else {
6337 pvalue = NULL;
6338 }
6339 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 6340 if (!is_error(ret) && arg3) {
788f5ec4
TS		 6341 if (copy_to_user_timeval(arg3,
6342 &ovalue.it_interval)
6343 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
6344 &ovalue.it_value))
6345 goto efault;
66fb9763
FB		 6346 }
6347 }
6348 break;
31e31b8a 6349 case TARGET_NR_getitimer:
66fb9763 6350 {
66fb9763 6351 struct itimerval value;
3b46e624 6352
66fb9763 6353 ret = get_errno(getitimer(arg1, &value));
53a5960a 6354 if (!is_error(ret) && arg2) {
788f5ec4
TS		 6355 if (copy_to_user_timeval(arg2,
6356 &value.it_interval)
6357 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
6358 &value.it_value))
6359 goto efault;
66fb9763
FB		 6360 }
6361 }
6362 break;
31e31b8a 6363 case TARGET_NR_stat:
579a97f7
FB		 6364 if (!(p = lock_user_string(arg1)))
6365 goto efault;
53a5960a
PB		 6366 ret = get_errno(stat(path(p), &st));
6367 unlock_user(p, arg1, 0);
31e31b8a
FB		 6368 goto do_stat;
6369 case TARGET_NR_lstat:
579a97f7
FB		 6370 if (!(p = lock_user_string(arg1)))
6371 goto efault;
53a5960a
PB		 6372 ret = get_errno(lstat(path(p), &st));
6373 unlock_user(p, arg1, 0);
31e31b8a
FB		 6374 goto do_stat;
6375 case TARGET_NR_fstat:
6376 {
6377 ret = get_errno(fstat(arg1, &st));
6378 do_stat:
6379 if (!is_error(ret)) {
53a5960a 6380 struct target_stat *target_st;
e3584658 6381
579a97f7
FB		 6382 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
6383 goto efault;
12727917 6384 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 6385 __put_user(st.st_dev, &target_st->st_dev);
6386 __put_user(st.st_ino, &target_st->st_ino);
6387 __put_user(st.st_mode, &target_st->st_mode);
6388 __put_user(st.st_uid, &target_st->st_uid);
6389 __put_user(st.st_gid, &target_st->st_gid);
6390 __put_user(st.st_nlink, &target_st->st_nlink);
6391 __put_user(st.st_rdev, &target_st->st_rdev);
6392 __put_user(st.st_size, &target_st->st_size);
6393 __put_user(st.st_blksize, &target_st->st_blksize);
6394 __put_user(st.st_blocks, &target_st->st_blocks);
6395 __put_user(st.st_atime, &target_st->target_st_atime);
6396 __put_user(st.st_mtime, &target_st->target_st_mtime);
6397 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 6398 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 6399 }
6400 }
6401 break;
ebc05488 6402#ifdef TARGET_NR_olduname
31e31b8a
FB		 6403 case TARGET_NR_olduname:
6404 goto unimplemented;
ebc05488
FB		 6405#endif
6406#ifdef TARGET_NR_iopl
31e31b8a
FB		 6407 case TARGET_NR_iopl:
6408 goto unimplemented;
ebc05488 6409#endif
31e31b8a
FB		 6410 case TARGET_NR_vhangup:
6411 ret = get_errno(vhangup());
6412 break;
ebc05488 6413#ifdef TARGET_NR_idle
31e31b8a
FB		 6414 case TARGET_NR_idle:
6415 goto unimplemented;
42ad6ae9
FB		 6416#endif
6417#ifdef TARGET_NR_syscall
6418 case TARGET_NR_syscall:
5945cfcb
PM		 6419 ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
6420 arg6, arg7, arg8, 0);
6421 break;
ebc05488 6422#endif
31e31b8a
FB		 6423 case TARGET_NR_wait4:
6424 {
6425 int status;
992f48a0 6426 abi_long status_ptr = arg2;
31e31b8a 6427 struct rusage rusage, *rusage_ptr;
992f48a0 6428 abi_ulong target_rusage = arg4;
31e31b8a
FB		 6429 if (target_rusage)
6430 rusage_ptr = &rusage;
6431 else
6432 rusage_ptr = NULL;
6433 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
6434 if (!is_error(ret)) {
5379557b 6435 if (status_ptr && ret) {
1d9d8b55 6436 status = host_to_target_waitstatus(status);
2f619698
FB		 6437 if (put_user_s32(status, status_ptr))
6438 goto efault;
31e31b8a 6439 }
2f619698
FB		 6440 if (target_rusage)
6441 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 6442 }
6443 }
6444 break;
e5febef5 6445#ifdef TARGET_NR_swapoff
31e31b8a 6446 case TARGET_NR_swapoff:
579a97f7
FB		 6447 if (!(p = lock_user_string(arg1)))
6448 goto efault;
53a5960a
PB		 6449 ret = get_errno(swapoff(p));
6450 unlock_user(p, arg1, 0);
31e31b8a 6451 break;
e5febef5 6452#endif
31e31b8a 6453 case TARGET_NR_sysinfo:
a5448a7d 6454 {
53a5960a 6455 struct target_sysinfo *target_value;
a5448a7d
FB		 6456 struct sysinfo value;
6457 ret = get_errno(sysinfo(&value));
53a5960a 6458 if (!is_error(ret) && arg1)
a5448a7d 6459 {
579a97f7
FB		 6460 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
6461 goto efault;
a5448a7d
FB		 6462 __put_user(value.uptime, &target_value->uptime);
6463 __put_user(value.loads[0], &target_value->loads[0]);
6464 __put_user(value.loads[1], &target_value->loads[1]);
6465 __put_user(value.loads[2], &target_value->loads[2]);
6466 __put_user(value.totalram, &target_value->totalram);
6467 __put_user(value.freeram, &target_value->freeram);
6468 __put_user(value.sharedram, &target_value->sharedram);
6469 __put_user(value.bufferram, &target_value->bufferram);
6470 __put_user(value.totalswap, &target_value->totalswap);
6471 __put_user(value.freeswap, &target_value->freeswap);
6472 __put_user(value.procs, &target_value->procs);
6473 __put_user(value.totalhigh, &target_value->totalhigh);
6474 __put_user(value.freehigh, &target_value->freehigh);
6475 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 6476 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 6477 }
6478 }
6479 break;
e5febef5 6480#ifdef TARGET_NR_ipc
31e31b8a 6481 case TARGET_NR_ipc:
8853f86e
FB		 6482 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
6483 break;
e5febef5 6484#endif
e5289087
AJ		 6485#ifdef TARGET_NR_semget
6486 case TARGET_NR_semget:
6487 ret = get_errno(semget(arg1, arg2, arg3));
6488 break;
6489#endif
6490#ifdef TARGET_NR_semop
6491 case TARGET_NR_semop:
6492 ret = get_errno(do_semop(arg1, arg2, arg3));
6493 break;
6494#endif
6495#ifdef TARGET_NR_semctl
6496 case TARGET_NR_semctl:
6497 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
6498 break;
6499#endif
eeb438c1
AJ		 6500#ifdef TARGET_NR_msgctl
6501 case TARGET_NR_msgctl:
6502 ret = do_msgctl(arg1, arg2, arg3);
6503 break;
6504#endif
6505#ifdef TARGET_NR_msgget
6506 case TARGET_NR_msgget:
6507 ret = get_errno(msgget(arg1, arg2));
6508 break;
6509#endif
6510#ifdef TARGET_NR_msgrcv
6511 case TARGET_NR_msgrcv:
6512 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
6513 break;
6514#endif
6515#ifdef TARGET_NR_msgsnd
6516 case TARGET_NR_msgsnd:
6517 ret = do_msgsnd(arg1, arg2, arg3, arg4);
6518 break;
88a8c984
RV		 6519#endif
6520#ifdef TARGET_NR_shmget
6521 case TARGET_NR_shmget:
6522 ret = get_errno(shmget(arg1, arg2, arg3));
6523 break;
6524#endif
6525#ifdef TARGET_NR_shmctl
6526 case TARGET_NR_shmctl:
6527 ret = do_shmctl(arg1, arg2, arg3);
6528 break;
6529#endif
6530#ifdef TARGET_NR_shmat
6531 case TARGET_NR_shmat:
6532 ret = do_shmat(arg1, arg2, arg3);
6533 break;
6534#endif
6535#ifdef TARGET_NR_shmdt
6536 case TARGET_NR_shmdt:
6537 ret = do_shmdt(arg1);
6538 break;
eeb438c1 6539#endif
31e31b8a
FB		 6540 case TARGET_NR_fsync:
6541 ret = get_errno(fsync(arg1));
6542 break;
31e31b8a 6543 case TARGET_NR_clone:
a4b388ff 6544#if defined(TARGET_SH4) || defined(TARGET_ALPHA)
0b6d3ae0 6545 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 6546#elif defined(TARGET_CRIS)
6547 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
a4c075f1
UH		 6548#elif defined(TARGET_S390X)
6549 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
0b6d3ae0 6550#else
d865bab5 6551 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 6552#endif
1b6b029e 6553 break;
ec86b0fb
FB		 6554#ifdef __NR_exit_group
6555 /* new thread calls */
6556 case TARGET_NR_exit_group:
9788c9ca 6557#ifdef TARGET_GPROF
6d946cda
AJ		 6558 _mcleanup();
6559#endif
e9009676 6560 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 6561 ret = get_errno(exit_group(arg1));
6562 break;
6563#endif
31e31b8a 6564 case TARGET_NR_setdomainname:
579a97f7
FB		 6565 if (!(p = lock_user_string(arg1)))
6566 goto efault;
53a5960a
PB		 6567 ret = get_errno(setdomainname(p, arg2));
6568 unlock_user(p, arg1, 0);
31e31b8a
FB		 6569 break;
6570 case TARGET_NR_uname:
6571 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 6572 {
6573 struct new_utsname * buf;
3b46e624 6574
579a97f7
FB		 6575 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
6576 goto efault;
29e619b1
FB		 6577 ret = get_errno(sys_uname(buf));
6578 if (!is_error(ret)) {
6579 /* Overrite the native machine name with whatever is being
6580 emulated. */
da79030f 6581 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 6582 /* Allow the user to override the reported release. */
6583 if (qemu_uname_release && *qemu_uname_release)
6584 strcpy (buf->release, qemu_uname_release);
29e619b1 6585 }
53a5960a 6586 unlock_user_struct(buf, arg1, 1);
29e619b1 6587 }
31e31b8a 6588 break;
6dbad63e 6589#ifdef TARGET_I386
31e31b8a 6590 case TARGET_NR_modify_ldt:
03acab66 6591 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 6592 break;
84409ddb 6593#if !defined(TARGET_X86_64)
5cd4393b
FB		 6594 case TARGET_NR_vm86old:
6595 goto unimplemented;
6596 case TARGET_NR_vm86:
53a5960a 6597 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 6598 break;
84409ddb 6599#endif
6dbad63e 6600#endif
31e31b8a
FB		 6601 case TARGET_NR_adjtimex:
6602 goto unimplemented;
e5febef5 6603#ifdef TARGET_NR_create_module
31e31b8a 6604 case TARGET_NR_create_module:
e5febef5 6605#endif
31e31b8a
FB		 6606 case TARGET_NR_init_module:
6607 case TARGET_NR_delete_module:
e5febef5 6608#ifdef TARGET_NR_get_kernel_syms
31e31b8a 6609 case TARGET_NR_get_kernel_syms:
e5febef5 6610#endif
31e31b8a
FB		 6611 goto unimplemented;
6612 case TARGET_NR_quotactl:
6613 goto unimplemented;
6614 case TARGET_NR_getpgid:
6615 ret = get_errno(getpgid(arg1));
6616 break;
6617 case TARGET_NR_fchdir:
6618 ret = get_errno(fchdir(arg1));
6619 break;
84409ddb 6620#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 6621 case TARGET_NR_bdflush:
6622 goto unimplemented;
84409ddb 6623#endif
e5febef5 6624#ifdef TARGET_NR_sysfs
31e31b8a
FB		 6625 case TARGET_NR_sysfs:
6626 goto unimplemented;
e5febef5 6627#endif
31e31b8a 6628 case TARGET_NR_personality:
1b6b029e 6629 ret = get_errno(personality(arg1));
31e31b8a 6630 break;
e5febef5 6631#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 6632 case TARGET_NR_afs_syscall:
6633 goto unimplemented;
e5febef5 6634#endif
7a3148a9 6635#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 6636 case TARGET_NR__llseek:
6637 {
0c1592d9 6638 int64_t res;
d35b261c 6639#if !defined(__NR_llseek)
0c1592d9
PM		 6640 res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
6641 if (res == -1) {
6642 ret = get_errno(res);
6643 } else {
6644 ret = 0;
6645 }
4f2ac237 6646#else
31e31b8a 6647 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4f2ac237 6648#endif
0c1592d9
PM		 6649 if ((ret == 0) && put_user_s64(res, arg4)) {
6650 goto efault;
6651 }
31e31b8a
FB		 6652 }
6653 break;
7a3148a9 6654#endif
31e31b8a 6655 case TARGET_NR_getdents:
d83c8733 6656#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 6657 {
53a5960a 6658 struct target_dirent *target_dirp;
6556a833 6659 struct linux_dirent *dirp;
992f48a0 6660 abi_long count = arg3;
4add45b4
FB		 6661
6662 dirp = malloc(count);
0da46a6e 6663 if (!dirp) {
579a97f7 6664 ret = -TARGET_ENOMEM;
0da46a6e
TS		 6665 goto fail;
6666 }
3b46e624 6667
4add45b4
FB		 6668 ret = get_errno(sys_getdents(arg1, dirp, count));
6669 if (!is_error(ret)) {
6556a833 6670 struct linux_dirent *de;
4add45b4
FB		 6671 struct target_dirent *tde;
6672 int len = ret;
6673 int reclen, treclen;
6674 int count1, tnamelen;
6675
6676 count1 = 0;
6677 de = dirp;
579a97f7
FB		 6678 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6679 goto efault;
4add45b4
FB		 6680 tde = target_dirp;
6681 while (len > 0) {
6682 reclen = de->d_reclen;
992f48a0 6683 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4 6684 tde->d_reclen = tswap16(treclen);
cbb21eed
MB		 6685 tde->d_ino = tswapal(de->d_ino);
6686 tde->d_off = tswapal(de->d_off);
992f48a0 6687 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 6688 if (tnamelen > 256)
6689 tnamelen = 256;
80a9d035 6690 /* XXX: may not be correct */
be15b141 6691 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 6692 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 6693 len -= reclen;
1c5bf3bf 6694 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 6695 count1 += treclen;
6696 }
6697 ret = count1;
579a97f7 6698 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 6699 }
6700 free(dirp);
6701 }
6702#else
31e31b8a 6703 {
6556a833 6704 struct linux_dirent *dirp;
992f48a0 6705 abi_long count = arg3;
dab2ed99 6706
579a97f7
FB		 6707 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6708 goto efault;
72f03900 6709 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 6710 if (!is_error(ret)) {
6556a833 6711 struct linux_dirent *de;
31e31b8a
FB		 6712 int len = ret;
6713 int reclen;
6714 de = dirp;
6715 while (len > 0) {
8083a3e5 6716 reclen = de->d_reclen;
31e31b8a
FB		 6717 if (reclen > len)
6718 break;
8083a3e5 6719 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 6720 tswapls(&de->d_ino);
6721 tswapls(&de->d_off);
6556a833 6722 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 6723 len -= reclen;
6724 }
6725 }
53a5960a 6726 unlock_user(dirp, arg2, ret);
31e31b8a 6727 }
4add45b4 6728#endif
31e31b8a 6729 break;
3ae43202 6730#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 6731 case TARGET_NR_getdents64:
6732 {
6556a833 6733 struct linux_dirent64 *dirp;
992f48a0 6734 abi_long count = arg3;
579a97f7
FB		 6735 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6736 goto efault;
dab2ed99
FB		 6737 ret = get_errno(sys_getdents64(arg1, dirp, count));
6738 if (!is_error(ret)) {
6556a833 6739 struct linux_dirent64 *de;
dab2ed99
FB		 6740 int len = ret;
6741 int reclen;
6742 de = dirp;
6743 while (len > 0) {
8083a3e5 6744 reclen = de->d_reclen;
dab2ed99
FB		 6745 if (reclen > len)
6746 break;
8083a3e5 6747 de->d_reclen = tswap16(reclen);
8582a53a
FB		 6748 tswap64s((uint64_t *)&de->d_ino);
6749 tswap64s((uint64_t *)&de->d_off);
6556a833 6750 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 6751 len -= reclen;
6752 }
6753 }
53a5960a 6754 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 6755 }
6756 break;
a541f297 6757#endif /* TARGET_NR_getdents64 */
a4c075f1
UH		 6758#if defined(TARGET_NR__newselect) || defined(TARGET_S390X)
6759#ifdef TARGET_S390X
6760 case TARGET_NR_select:
6761#else
31e31b8a 6762 case TARGET_NR__newselect:
a4c075f1 6763#endif
53a5960a 6764 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 6765 break;
e5febef5 6766#endif
d8035d4c
MF		 6767#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
6768# ifdef TARGET_NR_poll
9de5e440 6769 case TARGET_NR_poll:
d8035d4c
MF		 6770# endif
6771# ifdef TARGET_NR_ppoll
6772 case TARGET_NR_ppoll:
6773# endif
9de5e440 6774 {
53a5960a 6775 struct target_pollfd *target_pfd;
9de5e440
FB		 6776 unsigned int nfds = arg2;
6777 int timeout = arg3;
6778 struct pollfd *pfd;
7854b056 6779 unsigned int i;
9de5e440 6780
579a97f7
FB		 6781 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
6782 if (!target_pfd)
6783 goto efault;
d8035d4c 6784
9de5e440
FB		 6785 pfd = alloca(sizeof(struct pollfd) * nfds);
6786 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 6787 pfd[i].fd = tswap32(target_pfd[i].fd);
6788 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440 6789 }
d8035d4c
MF		 6790
6791# ifdef TARGET_NR_ppoll
6792 if (num == TARGET_NR_ppoll) {
6793 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
6794 target_sigset_t *target_set;
6795 sigset_t _set, *set = &_set;
6796
6797 if (arg3) {
6798 if (target_to_host_timespec(timeout_ts, arg3)) {
6799 unlock_user(target_pfd, arg1, 0);
6800 goto efault;
6801 }
6802 } else {
6803 timeout_ts = NULL;
6804 }
6805
6806 if (arg4) {
6807 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
6808 if (!target_set) {
6809 unlock_user(target_pfd, arg1, 0);
6810 goto efault;
6811 }
6812 target_to_host_sigset(set, target_set);
6813 } else {
6814 set = NULL;
6815 }
6816
6817 ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
6818
6819 if (!is_error(ret) && arg3) {
6820 host_to_target_timespec(arg3, timeout_ts);
6821 }
6822 if (arg4) {
6823 unlock_user(target_set, arg4, 0);
6824 }
6825 } else
6826# endif
6827 ret = get_errno(poll(pfd, nfds, timeout));
6828
9de5e440
FB		 6829 if (!is_error(ret)) {
6830 for(i = 0; i < nfds; i++) {
5cd4393b 6831 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 6832 }
6833 }
30cb4cde 6834 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9de5e440
FB		 6835 }
6836 break;
e5febef5 6837#endif
31e31b8a 6838 case TARGET_NR_flock:
9de5e440
FB		 6839 /* NOTE: the flock constant seems to be the same for every
6840 Linux platform */
6841 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 6842 break;
6843 case TARGET_NR_readv:
6844 {
6845 int count = arg3;
31e31b8a 6846 struct iovec *vec;
31e31b8a
FB		 6847
6848 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 6849 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
6850 goto efault;
31e31b8a 6851 ret = get_errno(readv(arg1, vec, count));
53a5960a 6852 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 6853 }
6854 break;
6855 case TARGET_NR_writev:
6856 {
6857 int count = arg3;
31e31b8a 6858 struct iovec *vec;
31e31b8a
FB		 6859
6860 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 6861 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6862 goto efault;
31e31b8a 6863 ret = get_errno(writev(arg1, vec, count));
53a5960a 6864 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 6865 }
6866 break;
6867 case TARGET_NR_getsid:
6868 ret = get_errno(getsid(arg1));
6869 break;
7a3148a9 6870#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 6871 case TARGET_NR_fdatasync:
5cd4393b
FB		 6872 ret = get_errno(fdatasync(arg1));
6873 break;
7a3148a9 6874#endif
31e31b8a 6875 case TARGET_NR__sysctl:
0da46a6e 6876 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 6877 return value. */
0da46a6e
TS		 6878 ret = -TARGET_ENOTDIR;
6879 break;
737de1d1
MF		 6880 case TARGET_NR_sched_getaffinity:
6881 {
6882 unsigned int mask_size;
6883 unsigned long *mask;
6884
6885 /*
6886 * sched_getaffinity needs multiples of ulong, so need to take
6887 * care of mismatches between target ulong and host ulong sizes.
6888 */
6889 if (arg2 & (sizeof(abi_ulong) - 1)) {
6890 ret = -TARGET_EINVAL;
6891 break;
6892 }
6893 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
6894
6895 mask = alloca(mask_size);
6896 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
6897
6898 if (!is_error(ret)) {
cd18f05e 6899 if (copy_to_user(arg3, mask, ret)) {
737de1d1
MF		 6900 goto efault;
6901 }
737de1d1
MF		 6902 }
6903 }
6904 break;
6905 case TARGET_NR_sched_setaffinity:
6906 {
6907 unsigned int mask_size;
6908 unsigned long *mask;
6909
6910 /*
6911 * sched_setaffinity needs multiples of ulong, so need to take
6912 * care of mismatches between target ulong and host ulong sizes.
6913 */
6914 if (arg2 & (sizeof(abi_ulong) - 1)) {
6915 ret = -TARGET_EINVAL;
6916 break;
6917 }
6918 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
6919
6920 mask = alloca(mask_size);
6921 if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
6922 goto efault;
6923 }
6924 memcpy(mask, p, arg2);
6925 unlock_user_struct(p, arg2, 0);
6926
6927 ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
6928 }
6929 break;
31e31b8a 6930 case TARGET_NR_sched_setparam:
5cd4393b 6931 {
53a5960a 6932 struct sched_param *target_schp;
5cd4393b 6933 struct sched_param schp;
53a5960a 6934
579a97f7
FB		 6935 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
6936 goto efault;
5cd4393b 6937 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6938 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 6939 ret = get_errno(sched_setparam(arg1, &schp));
6940 }
6941 break;
31e31b8a 6942 case TARGET_NR_sched_getparam:
5cd4393b 6943 {
53a5960a 6944 struct sched_param *target_schp;
5cd4393b
FB		 6945 struct sched_param schp;
6946 ret = get_errno(sched_getparam(arg1, &schp));
6947 if (!is_error(ret)) {
579a97f7
FB		 6948 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
6949 goto efault;
5cd4393b 6950 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 6951 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 6952 }
6953 }
6954 break;
31e31b8a 6955 case TARGET_NR_sched_setscheduler:
5cd4393b 6956 {
53a5960a 6957 struct sched_param *target_schp;
5cd4393b 6958 struct sched_param schp;
579a97f7
FB		 6959 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
6960 goto efault;
5cd4393b 6961 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6962 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 6963 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
6964 }
6965 break;
31e31b8a 6966 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 6967 ret = get_errno(sched_getscheduler(arg1));
6968 break;
31e31b8a
FB		 6969 case TARGET_NR_sched_yield:
6970 ret = get_errno(sched_yield());
6971 break;
6972 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 6973 ret = get_errno(sched_get_priority_max(arg1));
6974 break;
31e31b8a 6975 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 6976 ret = get_errno(sched_get_priority_min(arg1));
6977 break;
31e31b8a 6978 case TARGET_NR_sched_rr_get_interval:
5cd4393b 6979 {
5cd4393b
FB		 6980 struct timespec ts;
6981 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6982 if (!is_error(ret)) {
53a5960a 6983 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 6984 }
6985 }
6986 break;
31e31b8a 6987 case TARGET_NR_nanosleep:
1b6b029e 6988 {
1b6b029e 6989 struct timespec req, rem;
53a5960a 6990 target_to_host_timespec(&req, arg1);
1b6b029e 6991 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 6992 if (is_error(ret) && arg2) {
6993 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 6994 }
6995 }
6996 break;
e5febef5 6997#ifdef TARGET_NR_query_module
31e31b8a 6998 case TARGET_NR_query_module:
5cd4393b 6999 goto unimplemented;
e5febef5
TS		 7000#endif
7001#ifdef TARGET_NR_nfsservctl
31e31b8a 7002 case TARGET_NR_nfsservctl:
5cd4393b 7003 goto unimplemented;
e5febef5 7004#endif
31e31b8a 7005 case TARGET_NR_prctl:
e5574487
TS		 7006 switch (arg1)
7007 {
7008 case PR_GET_PDEATHSIG:
7009 {
7010 int deathsig;
7011 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 7012 if (!is_error(ret) && arg2
7013 && put_user_ual(deathsig, arg2))
7014 goto efault;
e5574487
TS		 7015 }
7016 break;
7017 default:
7018 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
7019 break;
7020 }
39b9aae1 7021 break;
d2fd1af7
FB		 7022#ifdef TARGET_NR_arch_prctl
7023 case TARGET_NR_arch_prctl:
7024#if defined(TARGET_I386) && !defined(TARGET_ABI32)
7025 ret = do_arch_prctl(cpu_env, arg1, arg2);
7026 break;
7027#else
7028 goto unimplemented;
7029#endif
7030#endif
67867308 7031#ifdef TARGET_NR_pread
31e31b8a 7032 case TARGET_NR_pread:
48e515d4 7033 if (regpairs_aligned(cpu_env))
a4ae00bc 7034 arg4 = arg5;
579a97f7
FB		 7035 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7036 goto efault;
53a5960a
PB		 7037 ret = get_errno(pread(arg1, p, arg3, arg4));
7038 unlock_user(p, arg2, ret);
206f0fa7 7039 break;
31e31b8a 7040 case TARGET_NR_pwrite:
48e515d4 7041 if (regpairs_aligned(cpu_env))
a4ae00bc 7042 arg4 = arg5;
579a97f7
FB		 7043 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7044 goto efault;
53a5960a
PB		 7045 ret = get_errno(pwrite(arg1, p, arg3, arg4));
7046 unlock_user(p, arg2, 0);
206f0fa7 7047 break;
f2c7ba15
AJ		 7048#endif
7049#ifdef TARGET_NR_pread64
7050 case TARGET_NR_pread64:
7051 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7052 goto efault;
7053 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
7054 unlock_user(p, arg2, ret);
7055 break;
7056 case TARGET_NR_pwrite64:
7057 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7058 goto efault;
7059 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
7060 unlock_user(p, arg2, 0);
7061 break;
67867308 7062#endif
31e31b8a 7063 case TARGET_NR_getcwd:
579a97f7
FB		 7064 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
7065 goto efault;
53a5960a
PB		 7066 ret = get_errno(sys_getcwd1(p, arg2));
7067 unlock_user(p, arg1, ret);
31e31b8a
FB		 7068 break;
7069 case TARGET_NR_capget:
5cd4393b 7070 goto unimplemented;
31e31b8a 7071 case TARGET_NR_capset:
5cd4393b 7072 goto unimplemented;
31e31b8a 7073 case TARGET_NR_sigaltstack:
198a74de 7074#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154 7075 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
a4c075f1 7076 defined(TARGET_M68K) || defined(TARGET_S390X)
579a97f7 7077 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 7078 break;
7079#else
5cd4393b 7080 goto unimplemented;
a04e134a 7081#endif
31e31b8a 7082 case TARGET_NR_sendfile:
5cd4393b 7083 goto unimplemented;
ebc05488 7084#ifdef TARGET_NR_getpmsg
31e31b8a 7085 case TARGET_NR_getpmsg:
5cd4393b 7086 goto unimplemented;
ebc05488
FB		 7087#endif
7088#ifdef TARGET_NR_putpmsg
31e31b8a 7089 case TARGET_NR_putpmsg:
5cd4393b 7090 goto unimplemented;
ebc05488 7091#endif
048f6b4d 7092#ifdef TARGET_NR_vfork
31e31b8a 7093 case TARGET_NR_vfork:
d865bab5
PB		 7094 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
7095 0, 0, 0, 0));
31e31b8a 7096 break;
048f6b4d 7097#endif
ebc05488 7098#ifdef TARGET_NR_ugetrlimit
31e31b8a 7099 case TARGET_NR_ugetrlimit:
728584be
FB		 7100 {
7101 struct rlimit rlim;
e22b7015
WT		 7102 int resource = target_to_host_resource(arg1);
7103 ret = get_errno(getrlimit(resource, &rlim));
728584be 7104 if (!is_error(ret)) {
53a5960a 7105 struct target_rlimit *target_rlim;
579a97f7
FB		 7106 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
7107 goto efault;
81bbe906 7108 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
7109 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 7110 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 7111 }
7112 break;
7113 }
ebc05488 7114#endif
a315a145 7115#ifdef TARGET_NR_truncate64
31e31b8a 7116 case TARGET_NR_truncate64:
579a97f7
FB		 7117 if (!(p = lock_user_string(arg1)))
7118 goto efault;
53a5960a
PB		 7119 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
7120 unlock_user(p, arg1, 0);
667f38b1 7121 break;
a315a145
FB		 7122#endif
7123#ifdef TARGET_NR_ftruncate64
31e31b8a 7124 case TARGET_NR_ftruncate64:
ce4defa0 7125 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 7126 break;
a315a145
FB		 7127#endif
7128#ifdef TARGET_NR_stat64
31e31b8a 7129 case TARGET_NR_stat64:
579a97f7
FB		 7130 if (!(p = lock_user_string(arg1)))
7131 goto efault;
53a5960a
PB		 7132 ret = get_errno(stat(path(p), &st));
7133 unlock_user(p, arg1, 0);
6a24a778
AZ		 7134 if (!is_error(ret))
7135 ret = host_to_target_stat64(cpu_env, arg2, &st);
7136 break;
a315a145
FB		 7137#endif
7138#ifdef TARGET_NR_lstat64
31e31b8a 7139 case TARGET_NR_lstat64:
579a97f7
FB		 7140 if (!(p = lock_user_string(arg1)))
7141 goto efault;
53a5960a
PB		 7142 ret = get_errno(lstat(path(p), &st));
7143 unlock_user(p, arg1, 0);
6a24a778
AZ		 7144 if (!is_error(ret))
7145 ret = host_to_target_stat64(cpu_env, arg2, &st);
7146 break;
a315a145
FB		 7147#endif
7148#ifdef TARGET_NR_fstat64
31e31b8a 7149 case TARGET_NR_fstat64:
6a24a778
AZ		 7150 ret = get_errno(fstat(arg1, &st));
7151 if (!is_error(ret))
7152 ret = host_to_target_stat64(cpu_env, arg2, &st);
7153 break;
ce4defa0 7154#endif
9d33b76b
AJ		 7155#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
7156 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
7157#ifdef TARGET_NR_fstatat64
6a24a778 7158 case TARGET_NR_fstatat64:
9d33b76b
AJ		 7159#endif
7160#ifdef TARGET_NR_newfstatat
7161 case TARGET_NR_newfstatat:
7162#endif
6a24a778
AZ		 7163 if (!(p = lock_user_string(arg2)))
7164 goto efault;
9d33b76b 7165#ifdef __NR_fstatat64
6a24a778 7166 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 7167#else
7168 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
7169#endif
6a24a778
AZ		 7170 if (!is_error(ret))
7171 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 7172 break;
a315a145 7173#endif
67867308 7174 case TARGET_NR_lchown:
579a97f7
FB		 7175 if (!(p = lock_user_string(arg1)))
7176 goto efault;
53a5960a
PB		 7177 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
7178 unlock_user(p, arg1, 0);
67867308 7179 break;
0c866a7e 7180#ifdef TARGET_NR_getuid
67867308
FB		 7181 case TARGET_NR_getuid:
7182 ret = get_errno(high2lowuid(getuid()));
7183 break;
0c866a7e
RV		 7184#endif
7185#ifdef TARGET_NR_getgid
67867308
FB		 7186 case TARGET_NR_getgid:
7187 ret = get_errno(high2lowgid(getgid()));
7188 break;
0c866a7e
RV		 7189#endif
7190#ifdef TARGET_NR_geteuid
67867308
FB		 7191 case TARGET_NR_geteuid:
7192 ret = get_errno(high2lowuid(geteuid()));
7193 break;
0c866a7e
RV		 7194#endif
7195#ifdef TARGET_NR_getegid
67867308
FB		 7196 case TARGET_NR_getegid:
7197 ret = get_errno(high2lowgid(getegid()));
7198 break;
0c866a7e 7199#endif
67867308
FB		 7200 case TARGET_NR_setreuid:
7201 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
7202 break;
7203 case TARGET_NR_setregid:
7204 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
7205 break;
7206 case TARGET_NR_getgroups:
7207 {
7208 int gidsetsize = arg1;
0c866a7e 7209 target_id *target_grouplist;
67867308
FB		 7210 gid_t *grouplist;
7211 int i;
7212
7213 grouplist = alloca(gidsetsize * sizeof(gid_t));
7214 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7215 if (gidsetsize == 0)
7216 break;
67867308 7217 if (!is_error(ret)) {
579a97f7
FB		 7218 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
7219 if (!target_grouplist)
7220 goto efault;
a2155fcc 7221 for(i = 0;i < ret; i++)
0c866a7e 7222 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
53a5960a 7223 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 7224 }
7225 }
7226 break;
7227 case TARGET_NR_setgroups:
7228 {
7229 int gidsetsize = arg1;
0c866a7e 7230 target_id *target_grouplist;
67867308
FB		 7231 gid_t *grouplist;
7232 int i;
7233
7234 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 7235 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
7236 if (!target_grouplist) {
7237 ret = -TARGET_EFAULT;
7238 goto fail;
7239 }
67867308 7240 for(i = 0;i < gidsetsize; i++)
0c866a7e 7241 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
53a5960a 7242 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 7243 ret = get_errno(setgroups(gidsetsize, grouplist));
7244 }
7245 break;
7246 case TARGET_NR_fchown:
7247 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
7248 break;
ccfa72b7
TS		 7249#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
7250 case TARGET_NR_fchownat:
579a97f7
FB		 7251 if (!(p = lock_user_string(arg2)))
7252 goto efault;
7253 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
7254 unlock_user(p, arg2, 0);
ccfa72b7
TS		 7255 break;
7256#endif
67867308
FB		 7257#ifdef TARGET_NR_setresuid
7258 case TARGET_NR_setresuid:
5fafdf24
TS		 7259 ret = get_errno(setresuid(low2highuid(arg1),
7260 low2highuid(arg2),
67867308
FB		 7261 low2highuid(arg3)));
7262 break;
7263#endif
7264#ifdef TARGET_NR_getresuid
7265 case TARGET_NR_getresuid:
7266 {
53a5960a 7267 uid_t ruid, euid, suid;
67867308
FB		 7268 ret = get_errno(getresuid(&ruid, &euid, &suid));
7269 if (!is_error(ret)) {
2f619698
FB		 7270 if (put_user_u16(high2lowuid(ruid), arg1)
7271 || put_user_u16(high2lowuid(euid), arg2)
7272 || put_user_u16(high2lowuid(suid), arg3))
7273 goto efault;
67867308
FB		 7274 }
7275 }
7276 break;
7277#endif
7278#ifdef TARGET_NR_getresgid
7279 case TARGET_NR_setresgid:
5fafdf24
TS		 7280 ret = get_errno(setresgid(low2highgid(arg1),
7281 low2highgid(arg2),
67867308
FB		 7282 low2highgid(arg3)));
7283 break;
7284#endif
7285#ifdef TARGET_NR_getresgid
7286 case TARGET_NR_getresgid:
7287 {
53a5960a 7288 gid_t rgid, egid, sgid;
67867308
FB		 7289 ret = get_errno(getresgid(&rgid, &egid, &sgid));
7290 if (!is_error(ret)) {
2f619698
FB		 7291 if (put_user_u16(high2lowgid(rgid), arg1)
7292 || put_user_u16(high2lowgid(egid), arg2)
7293 || put_user_u16(high2lowgid(sgid), arg3))
7294 goto efault;
67867308
FB		 7295 }
7296 }
7297 break;
7298#endif
7299 case TARGET_NR_chown:
579a97f7
FB		 7300 if (!(p = lock_user_string(arg1)))
7301 goto efault;
53a5960a
PB		 7302 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
7303 unlock_user(p, arg1, 0);
67867308
FB		 7304 break;
7305 case TARGET_NR_setuid:
7306 ret = get_errno(setuid(low2highuid(arg1)));
7307 break;
7308 case TARGET_NR_setgid:
7309 ret = get_errno(setgid(low2highgid(arg1)));
7310 break;
7311 case TARGET_NR_setfsuid:
7312 ret = get_errno(setfsuid(arg1));
7313 break;
7314 case TARGET_NR_setfsgid:
7315 ret = get_errno(setfsgid(arg1));
7316 break;
67867308 7317
a315a145 7318#ifdef TARGET_NR_lchown32
31e31b8a 7319 case TARGET_NR_lchown32:
579a97f7
FB		 7320 if (!(p = lock_user_string(arg1)))
7321 goto efault;
53a5960a
PB		 7322 ret = get_errno(lchown(p, arg2, arg3));
7323 unlock_user(p, arg1, 0);
b03c60f3 7324 break;
a315a145
FB		 7325#endif
7326#ifdef TARGET_NR_getuid32
31e31b8a 7327 case TARGET_NR_getuid32:
b03c60f3
FB		 7328 ret = get_errno(getuid());
7329 break;
a315a145 7330#endif
64b4d28c
AJ		 7331
7332#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
7333 /* Alpha specific */
7334 case TARGET_NR_getxuid:
ba0e276d
RH		 7335 {
7336 uid_t euid;
7337 euid=geteuid();
7338 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
7339 }
64b4d28c
AJ		 7340 ret = get_errno(getuid());
7341 break;
7342#endif
7343#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
7344 /* Alpha specific */
7345 case TARGET_NR_getxgid:
ba0e276d
RH		 7346 {
7347 uid_t egid;
7348 egid=getegid();
7349 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
7350 }
64b4d28c
AJ		 7351 ret = get_errno(getgid());
7352 break;
7353#endif
ba0e276d
RH		 7354#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
7355 /* Alpha specific */
7356 case TARGET_NR_osf_getsysinfo:
7357 ret = -TARGET_EOPNOTSUPP;
7358 switch (arg1) {
7359 case TARGET_GSI_IEEE_FP_CONTROL:
7360 {
7361 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
7362
7363 /* Copied from linux ieee_fpcr_to_swcr. */
7364 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
7365 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
7366 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
7367 | SWCR_TRAP_ENABLE_DZE
7368 | SWCR_TRAP_ENABLE_OVF);
7369 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
7370 | SWCR_TRAP_ENABLE_INE);
7371 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
7372 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
7373
7374 if (put_user_u64 (swcr, arg2))
7375 goto efault;
7376 ret = 0;
7377 }
7378 break;
7379
7380 /* case GSI_IEEE_STATE_AT_SIGNAL:
7381 -- Not implemented in linux kernel.
7382 case GSI_UACPROC:
7383 -- Retrieves current unaligned access state; not much used.
7384 case GSI_PROC_TYPE:
7385 -- Retrieves implver information; surely not used.
7386 case GSI_GET_HWRPB:
7387 -- Grabs a copy of the HWRPB; surely not used.
7388 */
7389 }
7390 break;
7391#endif
7392#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
7393 /* Alpha specific */
7394 case TARGET_NR_osf_setsysinfo:
7395 ret = -TARGET_EOPNOTSUPP;
7396 switch (arg1) {
7397 case TARGET_SSI_IEEE_FP_CONTROL:
7398 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
7399 {
7400 uint64_t swcr, fpcr, orig_fpcr;
7401
7402 if (get_user_u64 (swcr, arg2))
7403 goto efault;
7404 orig_fpcr = cpu_alpha_load_fpcr (cpu_env);
7405 fpcr = orig_fpcr & FPCR_DYN_MASK;
7406
7407 /* Copied from linux ieee_swcr_to_fpcr. */
7408 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
7409 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
7410 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
7411 | SWCR_TRAP_ENABLE_DZE
7412 | SWCR_TRAP_ENABLE_OVF)) << 48;
7413 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
7414 | SWCR_TRAP_ENABLE_INE)) << 57;
7415 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
7416 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
7417
7418 cpu_alpha_store_fpcr (cpu_env, fpcr);
7419 ret = 0;
7420
7421 if (arg1 == TARGET_SSI_IEEE_RAISE_EXCEPTION) {
7422 /* Old exceptions are not signaled. */
7423 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
7424
7425 /* If any exceptions set by this call, and are unmasked,
7426 send a signal. */
7427 /* ??? FIXME */
7428 }
7429 }
7430 break;
7431
7432 /* case SSI_NVPAIRS:
7433 -- Used with SSIN_UACPROC to enable unaligned accesses.
7434 case SSI_IEEE_STATE_AT_SIGNAL:
7435 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
7436 -- Not implemented in linux kernel
7437 */
7438 }
7439 break;
7440#endif
7441#ifdef TARGET_NR_osf_sigprocmask
7442 /* Alpha specific. */
7443 case TARGET_NR_osf_sigprocmask:
7444 {
7445 abi_ulong mask;
bc088ba1 7446 int how;
ba0e276d
RH		 7447 sigset_t set, oldset;
7448
7449 switch(arg1) {
7450 case TARGET_SIG_BLOCK:
7451 how = SIG_BLOCK;
7452 break;
7453 case TARGET_SIG_UNBLOCK:
7454 how = SIG_UNBLOCK;
7455 break;
7456 case TARGET_SIG_SETMASK:
7457 how = SIG_SETMASK;
7458 break;
7459 default:
7460 ret = -TARGET_EINVAL;
7461 goto fail;
7462 }
7463 mask = arg2;
7464 target_to_host_old_sigset(&set, &mask);
bc088ba1 7465 sigprocmask(how, &set, &oldset);
ba0e276d
RH		 7466 host_to_target_old_sigset(&mask, &oldset);
7467 ret = mask;
7468 }
7469 break;
7470#endif
64b4d28c 7471
a315a145 7472#ifdef TARGET_NR_getgid32
31e31b8a 7473 case TARGET_NR_getgid32:
b03c60f3
FB		 7474 ret = get_errno(getgid());
7475 break;
a315a145
FB		 7476#endif
7477#ifdef TARGET_NR_geteuid32
31e31b8a 7478 case TARGET_NR_geteuid32:
b03c60f3
FB		 7479 ret = get_errno(geteuid());
7480 break;
a315a145
FB		 7481#endif
7482#ifdef TARGET_NR_getegid32
31e31b8a 7483 case TARGET_NR_getegid32:
b03c60f3
FB		 7484 ret = get_errno(getegid());
7485 break;
a315a145
FB		 7486#endif
7487#ifdef TARGET_NR_setreuid32
31e31b8a 7488 case TARGET_NR_setreuid32:
b03c60f3
FB		 7489 ret = get_errno(setreuid(arg1, arg2));
7490 break;
a315a145
FB		 7491#endif
7492#ifdef TARGET_NR_setregid32
31e31b8a 7493 case TARGET_NR_setregid32:
b03c60f3
FB		 7494 ret = get_errno(setregid(arg1, arg2));
7495 break;
a315a145
FB		 7496#endif
7497#ifdef TARGET_NR_getgroups32
31e31b8a 7498 case TARGET_NR_getgroups32:
99c475ab
FB		 7499 {
7500 int gidsetsize = arg1;
53a5960a 7501 uint32_t *target_grouplist;
99c475ab
FB		 7502 gid_t *grouplist;
7503 int i;
7504
7505 grouplist = alloca(gidsetsize * sizeof(gid_t));
7506 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7507 if (gidsetsize == 0)
7508 break;
99c475ab 7509 if (!is_error(ret)) {
579a97f7
FB		 7510 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
7511 if (!target_grouplist) {
7512 ret = -TARGET_EFAULT;
7513 goto fail;
7514 }
a2155fcc 7515 for(i = 0;i < ret; i++)
53a5960a
PB		 7516 target_grouplist[i] = tswap32(grouplist[i]);
7517 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 7518 }
7519 }
7520 break;
a315a145
FB		 7521#endif
7522#ifdef TARGET_NR_setgroups32
31e31b8a 7523 case TARGET_NR_setgroups32:
99c475ab
FB		 7524 {
7525 int gidsetsize = arg1;
53a5960a 7526 uint32_t *target_grouplist;
99c475ab
FB		 7527 gid_t *grouplist;
7528 int i;
3b46e624 7529
99c475ab 7530 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 7531 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
7532 if (!target_grouplist) {
7533 ret = -TARGET_EFAULT;
7534 goto fail;
7535 }
99c475ab 7536 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 7537 grouplist[i] = tswap32(target_grouplist[i]);
7538 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 7539 ret = get_errno(setgroups(gidsetsize, grouplist));
7540 }
7541 break;
a315a145
FB		 7542#endif
7543#ifdef TARGET_NR_fchown32
31e31b8a 7544 case TARGET_NR_fchown32:
b03c60f3
FB		 7545 ret = get_errno(fchown(arg1, arg2, arg3));
7546 break;
a315a145
FB		 7547#endif
7548#ifdef TARGET_NR_setresuid32
31e31b8a 7549 case TARGET_NR_setresuid32:
b03c60f3
FB		 7550 ret = get_errno(setresuid(arg1, arg2, arg3));
7551 break;
a315a145
FB		 7552#endif
7553#ifdef TARGET_NR_getresuid32
31e31b8a 7554 case TARGET_NR_getresuid32:
b03c60f3 7555 {
53a5960a 7556 uid_t ruid, euid, suid;
b03c60f3
FB		 7557 ret = get_errno(getresuid(&ruid, &euid, &suid));
7558 if (!is_error(ret)) {
2f619698
FB		 7559 if (put_user_u32(ruid, arg1)
7560 || put_user_u32(euid, arg2)
7561 || put_user_u32(suid, arg3))
7562 goto efault;
b03c60f3
FB		 7563 }
7564 }
7565 break;
a315a145
FB		 7566#endif
7567#ifdef TARGET_NR_setresgid32
31e31b8a 7568 case TARGET_NR_setresgid32:
b03c60f3
FB		 7569 ret = get_errno(setresgid(arg1, arg2, arg3));
7570 break;
a315a145
FB		 7571#endif
7572#ifdef TARGET_NR_getresgid32
31e31b8a 7573 case TARGET_NR_getresgid32:
b03c60f3 7574 {
53a5960a 7575 gid_t rgid, egid, sgid;
b03c60f3
FB		 7576 ret = get_errno(getresgid(&rgid, &egid, &sgid));
7577 if (!is_error(ret)) {
2f619698
FB		 7578 if (put_user_u32(rgid, arg1)
7579 || put_user_u32(egid, arg2)
7580 || put_user_u32(sgid, arg3))
7581 goto efault;
b03c60f3
FB		 7582 }
7583 }
7584 break;
a315a145
FB		 7585#endif
7586#ifdef TARGET_NR_chown32
31e31b8a 7587 case TARGET_NR_chown32:
579a97f7
FB		 7588 if (!(p = lock_user_string(arg1)))
7589 goto efault;
53a5960a
PB		 7590 ret = get_errno(chown(p, arg2, arg3));
7591 unlock_user(p, arg1, 0);
b03c60f3 7592 break;
a315a145
FB		 7593#endif
7594#ifdef TARGET_NR_setuid32
31e31b8a 7595 case TARGET_NR_setuid32:
b03c60f3
FB		 7596 ret = get_errno(setuid(arg1));
7597 break;
a315a145
FB		 7598#endif
7599#ifdef TARGET_NR_setgid32
31e31b8a 7600 case TARGET_NR_setgid32:
b03c60f3
FB		 7601 ret = get_errno(setgid(arg1));
7602 break;
a315a145
FB		 7603#endif
7604#ifdef TARGET_NR_setfsuid32
31e31b8a 7605 case TARGET_NR_setfsuid32:
b03c60f3
FB		 7606 ret = get_errno(setfsuid(arg1));
7607 break;
a315a145
FB		 7608#endif
7609#ifdef TARGET_NR_setfsgid32
31e31b8a 7610 case TARGET_NR_setfsgid32:
b03c60f3
FB		 7611 ret = get_errno(setfsgid(arg1));
7612 break;
a315a145 7613#endif
67867308 7614
31e31b8a 7615 case TARGET_NR_pivot_root:
b03c60f3 7616 goto unimplemented;
ffa65c3b 7617#ifdef TARGET_NR_mincore
31e31b8a 7618 case TARGET_NR_mincore:
04bb9ace
AJ		 7619 {
7620 void *a;
7621 ret = -TARGET_EFAULT;
7622 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
7623 goto efault;
7624 if (!(p = lock_user_string(arg3)))
7625 goto mincore_fail;
7626 ret = get_errno(mincore(a, arg2, p));
7627 unlock_user(p, arg3, ret);
7628 mincore_fail:
7629 unlock_user(a, arg1, 0);
7630 }
7631 break;
ffa65c3b 7632#endif
408321b6
AJ		 7633#ifdef TARGET_NR_arm_fadvise64_64
7634 case TARGET_NR_arm_fadvise64_64:
7635 {
7636 /*
7637 * arm_fadvise64_64 looks like fadvise64_64 but
7638 * with different argument order
7639 */
7640 abi_long temp;
7641 temp = arg3;
7642 arg3 = arg4;
7643 arg4 = temp;
7644 }
7645#endif
e72d2cc7 7646#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 7647#ifdef TARGET_NR_fadvise64_64
7648 case TARGET_NR_fadvise64_64:
7649#endif
e72d2cc7
UH		 7650#ifdef TARGET_NR_fadvise64
7651 case TARGET_NR_fadvise64:
7652#endif
7653#ifdef TARGET_S390X
7654 switch (arg4) {
7655 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
7656 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
7657 case 6: arg4 = POSIX_FADV_DONTNEED; break;
7658 case 7: arg4 = POSIX_FADV_NOREUSE; break;
7659 default: break;
7660 }
7661#endif
7662 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 7663 break;
7664#endif
ffa65c3b 7665#ifdef TARGET_NR_madvise
31e31b8a 7666 case TARGET_NR_madvise:
24836689
PB		 7667 /* A straight passthrough may not be safe because qemu sometimes
7668 turns private flie-backed mappings into anonymous mappings.
7669 This will break MADV_DONTNEED.
7670 This is a hint, so ignoring and returning success is ok. */
7671 ret = get_errno(0);
7672 break;
ffa65c3b 7673#endif
992f48a0 7674#if TARGET_ABI_BITS == 32
31e31b8a 7675 case TARGET_NR_fcntl64:
77e4672d 7676 {
b1e341eb 7677 int cmd;
77e4672d 7678 struct flock64 fl;
53a5960a 7679 struct target_flock64 *target_fl;
ce4defa0 7680#ifdef TARGET_ARM
53a5960a 7681 struct target_eabi_flock64 *target_efl;
ce4defa0 7682#endif
77e4672d 7683
5f106811 7684 cmd = target_to_host_fcntl_cmd(arg2);
31b63193
PM		 7685 if (cmd == -TARGET_EINVAL) {
7686 ret = cmd;
7687 break;
7688 }
b1e341eb 7689
60cd49d5 7690 switch(arg2) {
b1e341eb 7691 case TARGET_F_GETLK64:
5813427b
TS		 7692#ifdef TARGET_ARM
7693 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 7694 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7695 goto efault;
5813427b
TS		 7696 fl.l_type = tswap16(target_efl->l_type);
7697 fl.l_whence = tswap16(target_efl->l_whence);
7698 fl.l_start = tswap64(target_efl->l_start);
7699 fl.l_len = tswap64(target_efl->l_len);
7e22e546 7700 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 7701 unlock_user_struct(target_efl, arg3, 0);
7702 } else
7703#endif
7704 {
9ee1fa2c
FB		 7705 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
7706 goto efault;
5813427b
TS		 7707 fl.l_type = tswap16(target_fl->l_type);
7708 fl.l_whence = tswap16(target_fl->l_whence);
7709 fl.l_start = tswap64(target_fl->l_start);
7710 fl.l_len = tswap64(target_fl->l_len);
7e22e546 7711 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 7712 unlock_user_struct(target_fl, arg3, 0);
7713 }
b1e341eb 7714 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 7715 if (ret == 0) {
ce4defa0
PB		 7716#ifdef TARGET_ARM
7717 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 7718 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
7719 goto efault;
ce4defa0
PB		 7720 target_efl->l_type = tswap16(fl.l_type);
7721 target_efl->l_whence = tswap16(fl.l_whence);
7722 target_efl->l_start = tswap64(fl.l_start);
7723 target_efl->l_len = tswap64(fl.l_len);
7e22e546 7724 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 7725 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 7726 } else
7727#endif
7728 {
9ee1fa2c
FB		 7729 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
7730 goto efault;
ce4defa0
PB		 7731 target_fl->l_type = tswap16(fl.l_type);
7732 target_fl->l_whence = tswap16(fl.l_whence);
7733 target_fl->l_start = tswap64(fl.l_start);
7734 target_fl->l_len = tswap64(fl.l_len);
7e22e546 7735 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 7736 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 7737 }
77e4672d
FB		 7738 }
7739 break;
7740
b1e341eb
TS		 7741 case TARGET_F_SETLK64:
7742 case TARGET_F_SETLKW64:
ce4defa0
PB		 7743#ifdef TARGET_ARM
7744 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 7745 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7746 goto efault;
ce4defa0
PB		 7747 fl.l_type = tswap16(target_efl->l_type);
7748 fl.l_whence = tswap16(target_efl->l_whence);
7749 fl.l_start = tswap64(target_efl->l_start);
7750 fl.l_len = tswap64(target_efl->l_len);
7e22e546 7751 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 7752 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 7753 } else
7754#endif
7755 {
9ee1fa2c
FB		 7756 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
7757 goto efault;
ce4defa0
PB		 7758 fl.l_type = tswap16(target_fl->l_type);
7759 fl.l_whence = tswap16(target_fl->l_whence);
7760 fl.l_start = tswap64(target_fl->l_start);
7761 fl.l_len = tswap64(target_fl->l_len);
7e22e546 7762 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 7763 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 7764 }
b1e341eb 7765 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 7766 break;
60cd49d5 7767 default:
5f106811 7768 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 7769 break;
7770 }
77e4672d
FB		 7771 break;
7772 }
60cd49d5 7773#endif
7d600c80
TS		 7774#ifdef TARGET_NR_cacheflush
7775 case TARGET_NR_cacheflush:
7776 /* self-modifying code is handled automatically, so nothing needed */
7777 ret = 0;
7778 break;
7779#endif
ebc05488 7780#ifdef TARGET_NR_security
31e31b8a
FB		 7781 case TARGET_NR_security:
7782 goto unimplemented;
c573ff67
FB		 7783#endif
7784#ifdef TARGET_NR_getpagesize
7785 case TARGET_NR_getpagesize:
7786 ret = TARGET_PAGE_SIZE;
7787 break;
ebc05488 7788#endif
31e31b8a
FB		 7789 case TARGET_NR_gettid:
7790 ret = get_errno(gettid());
7791 break;
e5febef5 7792#ifdef TARGET_NR_readahead
31e31b8a 7793 case TARGET_NR_readahead:
2054ac9b 7794#if TARGET_ABI_BITS == 32
48e515d4 7795 if (regpairs_aligned(cpu_env)) {
2054ac9b
AJ		 7796 arg2 = arg3;
7797 arg3 = arg4;
7798 arg4 = arg5;
7799 }
2054ac9b
AJ		 7800 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
7801#else
7802 ret = get_errno(readahead(arg1, arg2, arg3));
7803#endif
7804 break;
e5febef5 7805#endif
a790ae38 7806#ifdef CONFIG_ATTR
ebc05488 7807#ifdef TARGET_NR_setxattr
31e31b8a
FB		 7808 case TARGET_NR_listxattr:
7809 case TARGET_NR_llistxattr:
fb5590f7
PM		 7810 {
7811 void *p, *b = 0;
7812 if (arg2) {
7813 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
7814 if (!b) {
7815 ret = -TARGET_EFAULT;
7816 break;
7817 }
7818 }
7819 p = lock_user_string(arg1);
7820 if (p) {
7821 if (num == TARGET_NR_listxattr) {
7822 ret = get_errno(listxattr(p, b, arg3));
7823 } else {
7824 ret = get_errno(llistxattr(p, b, arg3));
7825 }
7826 } else {
7827 ret = -TARGET_EFAULT;
7828 }
7829 unlock_user(p, arg1, 0);
7830 unlock_user(b, arg2, arg3);
7831 break;
7832 }
31e31b8a 7833 case TARGET_NR_flistxattr:
fb5590f7
PM		 7834 {
7835 void *b = 0;
7836 if (arg2) {
7837 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
7838 if (!b) {
7839 ret = -TARGET_EFAULT;
7840 break;
7841 }
7842 }
7843 ret = get_errno(flistxattr(arg1, b, arg3));
7844 unlock_user(b, arg2, arg3);
6f932f91 7845 break;
fb5590f7 7846 }
a790ae38 7847 case TARGET_NR_setxattr:
30297b55 7848 case TARGET_NR_lsetxattr:
a790ae38 7849 {
e3c33ec6
PM		 7850 void *p, *n, *v = 0;
7851 if (arg3) {
7852 v = lock_user(VERIFY_READ, arg3, arg4, 1);
7853 if (!v) {
7854 ret = -TARGET_EFAULT;
7855 break;
7856 }
7857 }
a790ae38
ACH		 7858 p = lock_user_string(arg1);
7859 n = lock_user_string(arg2);
e3c33ec6 7860 if (p && n) {
30297b55
PM		 7861 if (num == TARGET_NR_setxattr) {
7862 ret = get_errno(setxattr(p, n, v, arg4, arg5));
7863 } else {
7864 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
7865 }
a790ae38
ACH		 7866 } else {
7867 ret = -TARGET_EFAULT;
7868 }
7869 unlock_user(p, arg1, 0);
7870 unlock_user(n, arg2, 0);
7871 unlock_user(v, arg3, 0);
7872 }
7873 break;
30297b55
PM		 7874 case TARGET_NR_fsetxattr:
7875 {
7876 void *n, *v = 0;
7877 if (arg3) {
7878 v = lock_user(VERIFY_READ, arg3, arg4, 1);
7879 if (!v) {
7880 ret = -TARGET_EFAULT;
7881 break;
7882 }
7883 }
7884 n = lock_user_string(arg2);
7885 if (n) {
7886 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
7887 } else {
7888 ret = -TARGET_EFAULT;
7889 }
7890 unlock_user(n, arg2, 0);
7891 unlock_user(v, arg3, 0);
7892 }
7893 break;
a790ae38 7894 case TARGET_NR_getxattr:
30297b55 7895 case TARGET_NR_lgetxattr:
a790ae38 7896 {
e3c33ec6
PM		 7897 void *p, *n, *v = 0;
7898 if (arg3) {
7899 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
7900 if (!v) {
7901 ret = -TARGET_EFAULT;
7902 break;
7903 }
7904 }
a790ae38
ACH		 7905 p = lock_user_string(arg1);
7906 n = lock_user_string(arg2);
e3c33ec6 7907 if (p && n) {
30297b55
PM		 7908 if (num == TARGET_NR_getxattr) {
7909 ret = get_errno(getxattr(p, n, v, arg4));
7910 } else {
7911 ret = get_errno(lgetxattr(p, n, v, arg4));
7912 }
a790ae38
ACH		 7913 } else {
7914 ret = -TARGET_EFAULT;
7915 }
7916 unlock_user(p, arg1, 0);
7917 unlock_user(n, arg2, 0);
7918 unlock_user(v, arg3, arg4);
7919 }
7920 break;
30297b55
PM		 7921 case TARGET_NR_fgetxattr:
7922 {
7923 void *n, *v = 0;
7924 if (arg3) {
7925 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
7926 if (!v) {
7927 ret = -TARGET_EFAULT;
7928 break;
7929 }
7930 }
7931 n = lock_user_string(arg2);
7932 if (n) {
7933 ret = get_errno(fgetxattr(arg1, n, v, arg4));
7934 } else {
7935 ret = -TARGET_EFAULT;
7936 }
7937 unlock_user(n, arg2, 0);
7938 unlock_user(v, arg3, arg4);
7939 }
7940 break;
a790ae38 7941 case TARGET_NR_removexattr:
30297b55 7942 case TARGET_NR_lremovexattr:
a790ae38
ACH		 7943 {
7944 void *p, *n;
7945 p = lock_user_string(arg1);
7946 n = lock_user_string(arg2);
7947 if (p && n) {
30297b55
PM		 7948 if (num == TARGET_NR_removexattr) {
7949 ret = get_errno(removexattr(p, n));
7950 } else {
7951 ret = get_errno(lremovexattr(p, n));
7952 }
a790ae38
ACH		 7953 } else {
7954 ret = -TARGET_EFAULT;
7955 }
7956 unlock_user(p, arg1, 0);
7957 unlock_user(n, arg2, 0);
7958 }
7959 break;
30297b55
PM		 7960 case TARGET_NR_fremovexattr:
7961 {
7962 void *n;
7963 n = lock_user_string(arg2);
7964 if (n) {
7965 ret = get_errno(fremovexattr(arg1, n));
7966 } else {
7967 ret = -TARGET_EFAULT;
7968 }
7969 unlock_user(n, arg2, 0);
7970 }
7971 break;
ebc05488 7972#endif
a790ae38 7973#endif /* CONFIG_ATTR */
ebc05488 7974#ifdef TARGET_NR_set_thread_area
5cd4393b 7975 case TARGET_NR_set_thread_area:
8d18e893 7976#if defined(TARGET_MIPS)
6f5b89a0
TS		 7977 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
7978 ret = 0;
7979 break;
ef96779b
EI		 7980#elif defined(TARGET_CRIS)
7981 if (arg1 & 0xff)
7982 ret = -TARGET_EINVAL;
7983 else {
7984 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
7985 ret = 0;
7986 }
7987 break;
8d18e893
FB		 7988#elif defined(TARGET_I386) && defined(TARGET_ABI32)
7989 ret = do_set_thread_area(cpu_env, arg1);
7990 break;
6f5b89a0
TS		 7991#else
7992 goto unimplemented_nowarn;
7993#endif
7994#endif
7995#ifdef TARGET_NR_get_thread_area
5cd4393b 7996 case TARGET_NR_get_thread_area:
8d18e893
FB		 7997#if defined(TARGET_I386) && defined(TARGET_ABI32)
7998 ret = do_get_thread_area(cpu_env, arg1);
7999#else
5cd4393b 8000 goto unimplemented_nowarn;
48dc41eb 8001#endif
8d18e893 8002#endif
48dc41eb
FB		 8003#ifdef TARGET_NR_getdomainname
8004 case TARGET_NR_getdomainname:
8005 goto unimplemented_nowarn;
ebc05488 8006#endif
6f5b89a0 8007
b5906f95
TS		 8008#ifdef TARGET_NR_clock_gettime
8009 case TARGET_NR_clock_gettime:
8010 {
8011 struct timespec ts;
8012 ret = get_errno(clock_gettime(arg1, &ts));
8013 if (!is_error(ret)) {
8014 host_to_target_timespec(arg2, &ts);
8015 }
8016 break;
8017 }
8018#endif
8019#ifdef TARGET_NR_clock_getres
8020 case TARGET_NR_clock_getres:
8021 {
8022 struct timespec ts;
8023 ret = get_errno(clock_getres(arg1, &ts));
8024 if (!is_error(ret)) {
8025 host_to_target_timespec(arg2, &ts);
8026 }
8027 break;
8028 }
8029#endif
63d7651b
PB		 8030#ifdef TARGET_NR_clock_nanosleep
8031 case TARGET_NR_clock_nanosleep:
8032 {
8033 struct timespec ts;
8034 target_to_host_timespec(&ts, arg3);
8035 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
8036 if (arg4)
8037 host_to_target_timespec(arg4, &ts);
8038 break;
8039 }
8040#endif
b5906f95 8041
6f5b89a0
TS		 8042#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
8043 case TARGET_NR_set_tid_address:
579a97f7
FB		 8044 ret = get_errno(set_tid_address((int *)g2h(arg1)));
8045 break;
6f5b89a0
TS		 8046#endif
8047
3ae43202 8048#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 8049 case TARGET_NR_tkill:
4cb05961 8050 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 8051 break;
8052#endif
8053
3ae43202 8054#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 8055 case TARGET_NR_tgkill:
4cb05961
PB		 8056 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
8057 target_to_host_signal(arg3)));
71455574
TS		 8058 break;
8059#endif
8060
4f2b1fe8
TS		 8061#ifdef TARGET_NR_set_robust_list
8062 case TARGET_NR_set_robust_list:
8063 goto unimplemented_nowarn;
8064#endif
8065
9007f0ef
TS		 8066#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
8067 case TARGET_NR_utimensat:
8068 {
ebc996f3
RV		 8069 struct timespec *tsp, ts[2];
8070 if (!arg3) {
8071 tsp = NULL;
8072 } else {
8073 target_to_host_timespec(ts, arg3);
8074 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
8075 tsp = ts;
8076 }
9007f0ef 8077 if (!arg2)
ebc996f3 8078 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 8079 else {
579a97f7 8080 if (!(p = lock_user_string(arg2))) {
0da46a6e 8081 ret = -TARGET_EFAULT;
579a97f7
FB		 8082 goto fail;
8083 }
ebc996f3 8084 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 8085 unlock_user(p, arg2, 0);
9007f0ef
TS		 8086 }
8087 }
8088 break;
8089#endif
2f7bb878 8090#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 8091 case TARGET_NR_futex:
8092 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
8093 break;
8094#endif
dbfe4c36 8095#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 8096 case TARGET_NR_inotify_init:
8097 ret = get_errno(sys_inotify_init());
8098 break;
8099#endif
a1606b0b 8100#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 8101#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
8102 case TARGET_NR_inotify_init1:
8103 ret = get_errno(sys_inotify_init1(arg1));
8104 break;
8105#endif
a1606b0b 8106#endif
dbfe4c36 8107#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 8108 case TARGET_NR_inotify_add_watch:
8109 p = lock_user_string(arg2);
8110 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
8111 unlock_user(p, arg2, 0);
8112 break;
8113#endif
dbfe4c36 8114#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 8115 case TARGET_NR_inotify_rm_watch:
8116 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
8117 break;
8118#endif
9007f0ef 8119
8ec9cf89 8120#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 8121 case TARGET_NR_mq_open:
8122 {
8123 struct mq_attr posix_mq_attr;
8124
8125 p = lock_user_string(arg1 - 1);
8126 if (arg4 != 0)
8127 copy_from_user_mq_attr (&posix_mq_attr, arg4);
8128 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
8129 unlock_user (p, arg1, 0);
8130 }
8131 break;
8132
8133 case TARGET_NR_mq_unlink:
8134 p = lock_user_string(arg1 - 1);
8135 ret = get_errno(mq_unlink(p));
8136 unlock_user (p, arg1, 0);
8137 break;
8138
8139 case TARGET_NR_mq_timedsend:
8140 {
8141 struct timespec ts;
8142
8143 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8144 if (arg5 != 0) {
8145 target_to_host_timespec(&ts, arg5);
8146 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
8147 host_to_target_timespec(arg5, &ts);
8148 }
8149 else
8150 ret = get_errno(mq_send(arg1, p, arg3, arg4));
8151 unlock_user (p, arg2, arg3);
8152 }
8153 break;
8154
8155 case TARGET_NR_mq_timedreceive:
8156 {
8157 struct timespec ts;
8158 unsigned int prio;
8159
8160 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8161 if (arg5 != 0) {
8162 target_to_host_timespec(&ts, arg5);
8163 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
8164 host_to_target_timespec(arg5, &ts);
8165 }
8166 else
8167 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
8168 unlock_user (p, arg2, arg3);
8169 if (arg4 != 0)
8170 put_user_u32(prio, arg4);
8171 }
8172 break;
8173
8174 /* Not implemented for now... */
8175/* case TARGET_NR_mq_notify: */
8176/* break; */
8177
8178 case TARGET_NR_mq_getsetattr:
8179 {
8180 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
8181 ret = 0;
8182 if (arg3 != 0) {
8183 ret = mq_getattr(arg1, &posix_mq_attr_out);
8184 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
8185 }
8186 if (arg2 != 0) {
8187 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
8188 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
8189 }
8190
8191 }
8192 break;
8193#endif
8194
3ce34dfb 8195#ifdef CONFIG_SPLICE
8196#ifdef TARGET_NR_tee
8197 case TARGET_NR_tee:
8198 {
8199 ret = get_errno(tee(arg1,arg2,arg3,arg4));
8200 }
8201 break;
8202#endif
8203#ifdef TARGET_NR_splice
8204 case TARGET_NR_splice:
8205 {
8206 loff_t loff_in, loff_out;
8207 loff_t *ploff_in = NULL, *ploff_out = NULL;
8208 if(arg2) {
8209 get_user_u64(loff_in, arg2);
8210 ploff_in = &loff_in;
8211 }
8212 if(arg4) {
8213 get_user_u64(loff_out, arg2);
8214 ploff_out = &loff_out;
8215 }
8216 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
8217 }
8218 break;
8219#endif
8220#ifdef TARGET_NR_vmsplice
8221 case TARGET_NR_vmsplice:
8222 {
8223 int count = arg3;
8224 struct iovec *vec;
8225
8226 vec = alloca(count * sizeof(struct iovec));
8227 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
8228 goto efault;
8229 ret = get_errno(vmsplice(arg1, vec, count, arg4));
8230 unlock_iovec(vec, arg2, count, 0);
8231 }
8232 break;
8233#endif
8234#endif /* CONFIG_SPLICE */
c2882b96
RV		 8235#ifdef CONFIG_EVENTFD
8236#if defined(TARGET_NR_eventfd)
8237 case TARGET_NR_eventfd:
8238 ret = get_errno(eventfd(arg1, 0));
8239 break;
8240#endif
8241#if defined(TARGET_NR_eventfd2)
8242 case TARGET_NR_eventfd2:
8243 ret = get_errno(eventfd(arg1, arg2));
8244 break;
8245#endif
8246#endif /* CONFIG_EVENTFD */
d0927938
UH		 8247#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
8248 case TARGET_NR_fallocate:
8249 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
8250 break;
c727f47d
PM		 8251#endif
8252#if defined(CONFIG_SYNC_FILE_RANGE)
8253#if defined(TARGET_NR_sync_file_range)
8254 case TARGET_NR_sync_file_range:
8255#if TARGET_ABI_BITS == 32
bfcedc57
RV		 8256#if defined(TARGET_MIPS)
8257 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8258 target_offset64(arg5, arg6), arg7));
8259#else
c727f47d
PM		 8260 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
8261 target_offset64(arg4, arg5), arg6));
bfcedc57 8262#endif /* !TARGET_MIPS */
c727f47d
PM		 8263#else
8264 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
8265#endif
8266 break;
8267#endif
8268#if defined(TARGET_NR_sync_file_range2)
8269 case TARGET_NR_sync_file_range2:
8270 /* This is like sync_file_range but the arguments are reordered */
8271#if TARGET_ABI_BITS == 32
8272 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8273 target_offset64(arg5, arg6), arg2));
8274#else
8275 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
8276#endif
8277 break;
8278#endif
3b6edd16
PM		 8279#endif
8280#if defined(CONFIG_EPOLL)
8281#if defined(TARGET_NR_epoll_create)
8282 case TARGET_NR_epoll_create:
8283 ret = get_errno(epoll_create(arg1));
8284 break;
8285#endif
8286#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
8287 case TARGET_NR_epoll_create1:
8288 ret = get_errno(epoll_create1(arg1));
8289 break;
8290#endif
8291#if defined(TARGET_NR_epoll_ctl)
8292 case TARGET_NR_epoll_ctl:
8293 {
8294 struct epoll_event ep;
8295 struct epoll_event *epp = 0;
8296 if (arg4) {
8297 struct target_epoll_event *target_ep;
8298 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
8299 goto efault;
8300 }
8301 ep.events = tswap32(target_ep->events);
8302 /* The epoll_data_t union is just opaque data to the kernel,
8303 * so we transfer all 64 bits across and need not worry what
8304 * actual data type it is.
8305 */
8306 ep.data.u64 = tswap64(target_ep->data.u64);
8307 unlock_user_struct(target_ep, arg4, 0);
8308 epp = &ep;
8309 }
8310 ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
8311 break;
8312 }
8313#endif
8314
8315#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
8316#define IMPLEMENT_EPOLL_PWAIT
8317#endif
8318#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
8319#if defined(TARGET_NR_epoll_wait)
8320 case TARGET_NR_epoll_wait:
8321#endif
8322#if defined(IMPLEMENT_EPOLL_PWAIT)
8323 case TARGET_NR_epoll_pwait:
8324#endif
8325 {
8326 struct target_epoll_event *target_ep;
8327 struct epoll_event *ep;
8328 int epfd = arg1;
8329 int maxevents = arg3;
8330 int timeout = arg4;
8331
8332 target_ep = lock_user(VERIFY_WRITE, arg2,
8333 maxevents * sizeof(struct target_epoll_event), 1);
8334 if (!target_ep) {
8335 goto efault;
8336 }
8337
8338 ep = alloca(maxevents * sizeof(struct epoll_event));
8339
8340 switch (num) {
8341#if defined(IMPLEMENT_EPOLL_PWAIT)
8342 case TARGET_NR_epoll_pwait:
8343 {
8344 target_sigset_t *target_set;
8345 sigset_t _set, *set = &_set;
8346
8347 if (arg5) {
8348 target_set = lock_user(VERIFY_READ, arg5,
8349 sizeof(target_sigset_t), 1);
8350 if (!target_set) {
8351 unlock_user(target_ep, arg2, 0);
8352 goto efault;
8353 }
8354 target_to_host_sigset(set, target_set);
8355 unlock_user(target_set, arg5, 0);
8356 } else {
8357 set = NULL;
8358 }
8359
8360 ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
8361 break;
8362 }
8363#endif
8364#if defined(TARGET_NR_epoll_wait)
8365 case TARGET_NR_epoll_wait:
8366 ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
8367 break;
8368#endif
8369 default:
8370 ret = -TARGET_ENOSYS;
8371 }
8372 if (!is_error(ret)) {
8373 int i;
8374 for (i = 0; i < ret; i++) {
8375 target_ep[i].events = tswap32(ep[i].events);
8376 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
8377 }
8378 }
8379 unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
8380 break;
8381 }
8382#endif
163a05a8
PM		 8383#endif
8384#ifdef TARGET_NR_prlimit64
8385 case TARGET_NR_prlimit64:
8386 {
8387 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
8388 struct target_rlimit64 *target_rnew, *target_rold;
8389 struct host_rlimit64 rnew, rold, *rnewp = 0;
8390 if (arg3) {
8391 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
8392 goto efault;
8393 }
8394 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
8395 rnew.rlim_max = tswap64(target_rnew->rlim_max);
8396 unlock_user_struct(target_rnew, arg3, 0);
8397 rnewp = &rnew;
8398 }
8399
8400 ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
8401 if (!is_error(ret) && arg4) {
8402 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
8403 goto efault;
8404 }
8405 target_rold->rlim_cur = tswap64(rold.rlim_cur);
8406 target_rold->rlim_max = tswap64(rold.rlim_max);
8407 unlock_user_struct(target_rold, arg4, 1);
8408 }
8409 break;
8410 }
d0927938 8411#endif
31e31b8a
FB		 8412 default:
8413 unimplemented:
5cd4393b 8414 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 8415#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 8416 unimplemented_nowarn:
80a9d035 8417#endif
0da46a6e 8418 ret = -TARGET_ENOSYS;
31e31b8a
FB		 8419 break;
8420 }
579a97f7 8421fail:
c573ff67 8422#ifdef DEBUG
0bf9e31a 8423 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 8424#endif
b92c47c1
TS		 8425 if(do_strace)
8426 print_syscall_ret(num, ret);
31e31b8a 8427 return ret;
579a97f7
FB		 8428efault:
8429 ret = -TARGET_EFAULT;
8430 goto fail;
31e31b8a 8431}
Qemu copy for testing