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linux-user: Add ioctl for BLKBSZGET
[thirdparty/qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
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>
56e904ec 98#include <linux/dm-ioctl.h>
d7e4036e 99#include "linux_loop.h"
da79030f 100#include "cpu-uname.h"
31e31b8a 101
3ef693a0 102#include "qemu.h"
31e31b8a 103
2f7bb878 104#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 105#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
106 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
107#else
108/* XXX: Hardcode the above values. */
109#define CLONE_NPTL_FLAGS2 0
30813cea
PB		 110#endif
111
72f03900 112//#define DEBUG
31e31b8a 113
1a9353d2 114//#include <linux/msdos_fs.h>
6556a833
AJ		 115#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
116#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 117
70a194b9 118
70a194b9
FB		 119#undef _syscall0
120#undef _syscall1
121#undef _syscall2
122#undef _syscall3
123#undef _syscall4
124#undef _syscall5
83fcb515 125#undef _syscall6
70a194b9 126
83fcb515 127#define _syscall0(type,name) \
8fcd3692 128static type name (void) \
83fcb515
FB		 129{ \
130 return syscall(__NR_##name); \
131}
70a194b9 132
83fcb515 133#define _syscall1(type,name,type1,arg1) \
8fcd3692 134static type name (type1 arg1) \
83fcb515
FB		 135{ \
136 return syscall(__NR_##name, arg1); \
70a194b9
FB		 137}
138
83fcb515 139#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 140static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 141{ \
142 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 143}
144
83fcb515 145#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 146static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 147{ \
148 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 149}
150
83fcb515 151#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 152static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 153{ \
154 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 155}
156
83fcb515
FB		 157#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
158 type5,arg5) \
8fcd3692 159static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 160{ \
161 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 162}
163
83fcb515
FB		 164
165#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
166 type5,arg5,type6,arg6) \
8fcd3692
BS		 167static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
168 type6 arg6) \
83fcb515
FB		 169{ \
170 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 171}
83fcb515 172
70a194b9 173
31e31b8a 174#define __NR_sys_uname __NR_uname
92a34c10 175#define __NR_sys_faccessat __NR_faccessat
814d7977 176#define __NR_sys_fchmodat __NR_fchmodat
ccfa72b7 177#define __NR_sys_fchownat __NR_fchownat
6a24a778 178#define __NR_sys_fstatat64 __NR_fstatat64
ac8a6556 179#define __NR_sys_futimesat __NR_futimesat
72f03900 180#define __NR_sys_getcwd1 __NR_getcwd
72f03900 181#define __NR_sys_getdents __NR_getdents
dab2ed99 182#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 183#define __NR_sys_getpriority __NR_getpriority
64f0ce4c 184#define __NR_sys_linkat __NR_linkat
4472ad0d 185#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 186#define __NR_sys_mknodat __NR_mknodat
9d33b76b 187#define __NR_sys_newfstatat __NR_newfstatat
82424832 188#define __NR_sys_openat __NR_openat
5e0ccb18 189#define __NR_sys_readlinkat __NR_readlinkat
722183f6 190#define __NR_sys_renameat __NR_renameat
66fb9763 191#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
f0b6243d 192#define __NR_sys_symlinkat __NR_symlinkat
7494b0f9 193#define __NR_sys_syslog __NR_syslog
71455574 194#define __NR_sys_tgkill __NR_tgkill
4cae1d16 195#define __NR_sys_tkill __NR_tkill
8170f56b 196#define __NR_sys_unlinkat __NR_unlinkat
9007f0ef 197#define __NR_sys_utimensat __NR_utimensat
bd0c5661 198#define __NR_sys_futex __NR_futex
39b59763
AJ		 199#define __NR_sys_inotify_init __NR_inotify_init
200#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
201#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 202
42a39fbe
AG		 203#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
204 defined(__s390x__)
9af9eaaa
FB		 205#define __NR__llseek __NR_lseek
206#endif
207
72f03900 208#ifdef __NR_gettid
31e31b8a 209_syscall0(int, gettid)
72f03900 210#else
0da46a6e
TS		 211/* This is a replacement for the host gettid() and must return a host
212 errno. */
72f03900
FB		 213static int gettid(void) {
214 return -ENOSYS;
215}
216#endif
3b3f24ad 217_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3b3f24ad
AJ		 218#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
219_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
220#endif
221_syscall2(int, sys_getpriority, int, which, int, who);
d35b261c 222#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
3b3f24ad
AJ		 223_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
224 loff_t *, res, uint, wh);
225#endif
226_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
227_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
228#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
229_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
230#endif
231#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
232_syscall2(int,sys_tkill,int,tid,int,sig)
233#endif
234#ifdef __NR_exit_group
235_syscall1(int,exit_group,int,error_code)
236#endif
237#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
238_syscall1(int,set_tid_address,int *,tidptr)
239#endif
2f7bb878 240#if defined(CONFIG_USE_NPTL)
3b3f24ad
AJ		 241#if defined(TARGET_NR_futex) && defined(__NR_futex)
242_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
243 const struct timespec *,timeout,int *,uaddr2,int,val3)
244#endif
245#endif
737de1d1
MF		 246#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
247_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
248 unsigned long *, user_mask_ptr);
249#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
250_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
251 unsigned long *, user_mask_ptr);
0f6b4d21
AG		 252_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
253 void *, arg);
3b3f24ad
AJ		 254
255static bitmask_transtbl fcntl_flags_tbl[] = {
256 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
257 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
258 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
259 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
260 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
261 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
262 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
263 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
264 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
265 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
266 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
267 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
268 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
269#if defined(O_DIRECT)
270 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
271#endif
272 { 0, 0, 0, 0 }
273};
274
275#define COPY_UTSNAME_FIELD(dest, src) \
276 do { \
277 /* __NEW_UTS_LEN doesn't include terminating null */ \
278 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
279 (dest)[__NEW_UTS_LEN] = '\0'; \
280 } while (0)
281
282static int sys_uname(struct new_utsname *buf)
283{
284 struct utsname uts_buf;
285
286 if (uname(&uts_buf) < 0)
287 return (-1);
288
289 /*
290 * Just in case these have some differences, we
291 * translate utsname to new_utsname (which is the
292 * struct linux kernel uses).
293 */
294
67bd9ede 295 memset(buf, 0, sizeof(*buf));
3b3f24ad
AJ		 296 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
297 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
298 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
299 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
300 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
301#ifdef _GNU_SOURCE
302 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
303#endif
304 return (0);
305
306#undef COPY_UTSNAME_FIELD
307}
308
309static int sys_getcwd1(char *buf, size_t size)
310{
311 if (getcwd(buf, size) == NULL) {
312 /* getcwd() sets errno */
313 return (-1);
314 }
aaf4ad39 315 return strlen(buf)+1;
3b3f24ad
AJ		 316}
317
318#ifdef CONFIG_ATFILE
319/*
320 * Host system seems to have atfile syscall stubs available. We
321 * now enable them one by one as specified by target syscall_nr.h.
322 */
323
324#ifdef TARGET_NR_faccessat
465c9f06 325static int sys_faccessat(int dirfd, const char *pathname, int mode)
3b3f24ad 326{
465c9f06 327 return (faccessat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 328}
329#endif
330#ifdef TARGET_NR_fchmodat
465c9f06 331static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
3b3f24ad 332{
465c9f06 333 return (fchmodat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 334}
335#endif
0c866a7e 336#if defined(TARGET_NR_fchownat)
3b3f24ad
AJ		 337static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
338 gid_t group, int flags)
339{
340 return (fchownat(dirfd, pathname, owner, group, flags));
341}
342#endif
343#ifdef __NR_fstatat64
344static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
345 int flags)
346{
347 return (fstatat(dirfd, pathname, buf, flags));
348}
349#endif
350#ifdef __NR_newfstatat
351static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
352 int flags)
353{
354 return (fstatat(dirfd, pathname, buf, flags));
355}
356#endif
357#ifdef TARGET_NR_futimesat
358static int sys_futimesat(int dirfd, const char *pathname,
359 const struct timeval times[2])
360{
361 return (futimesat(dirfd, pathname, times));
362}
363#endif
364#ifdef TARGET_NR_linkat
365static int sys_linkat(int olddirfd, const char *oldpath,
366 int newdirfd, const char *newpath, int flags)
367{
368 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
369}
370#endif
371#ifdef TARGET_NR_mkdirat
372static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
373{
374 return (mkdirat(dirfd, pathname, mode));
375}
376#endif
377#ifdef TARGET_NR_mknodat
378static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
379 dev_t dev)
380{
381 return (mknodat(dirfd, pathname, mode, dev));
382}
383#endif
384#ifdef TARGET_NR_openat
f4c69010 385static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode)
3b3f24ad
AJ		 386{
387 /*
388 * open(2) has extra parameter 'mode' when called with
389 * flag O_CREAT.
390 */
391 if ((flags & O_CREAT) != 0) {
3b3f24ad
AJ		 392 return (openat(dirfd, pathname, flags, mode));
393 }
394 return (openat(dirfd, pathname, flags));
395}
396#endif
397#ifdef TARGET_NR_readlinkat
398static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
399{
400 return (readlinkat(dirfd, pathname, buf, bufsiz));
401}
402#endif
403#ifdef TARGET_NR_renameat
404static int sys_renameat(int olddirfd, const char *oldpath,
405 int newdirfd, const char *newpath)
406{
407 return (renameat(olddirfd, oldpath, newdirfd, newpath));
408}
409#endif
410#ifdef TARGET_NR_symlinkat
411static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
412{
413 return (symlinkat(oldpath, newdirfd, newpath));
414}
415#endif
416#ifdef TARGET_NR_unlinkat
417static int sys_unlinkat(int dirfd, const char *pathname, int flags)
418{
419 return (unlinkat(dirfd, pathname, flags));
420}
421#endif
3b3f24ad
AJ		 422#else /* !CONFIG_ATFILE */
423
424/*
425 * Try direct syscalls instead
426 */
92a34c10 427#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
465c9f06 428_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
92a34c10 429#endif
814d7977 430#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
465c9f06 431_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
814d7977 432#endif
0c866a7e 433#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
ccfa72b7
TS		 434_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
435 uid_t,owner,gid_t,group,int,flags)
436#endif
9d33b76b
AJ		 437#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
438 defined(__NR_fstatat64)
6a24a778
AZ		 439_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
440 struct stat *,buf,int,flags)
441#endif
ac8a6556
AZ		 442#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
443_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
444 const struct timeval *,times)
445#endif
3b3f24ad
AJ		 446#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
447 defined(__NR_newfstatat)
448_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
449 struct stat *,buf,int,flags)
8fcd3692 450#endif
64f0ce4c
TS		 451#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
452_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
3b3f24ad 453 int,newdirfd,const char *,newpath,int,flags)
64f0ce4c 454#endif
4472ad0d
TS		 455#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
456_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
457#endif
75ac37a0
TS		 458#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
459_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
460 mode_t,mode,dev_t,dev)
461#endif
82424832
TS		 462#if defined(TARGET_NR_openat) && defined(__NR_openat)
463_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
464#endif
5e0ccb18
TS		 465#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
466_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
467 char *,buf,size_t,bufsize)
468#endif
722183f6
TS		 469#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
470_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
471 int,newdirfd,const char *,newpath)
472#endif
b51eaa82 473#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 474_syscall3(int,sys_symlinkat,const char *,oldpath,
475 int,newdirfd,const char *,newpath)
476#endif
8170f56b
TS		 477#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
478_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
479#endif
ebc996f3
RV		 480
481#endif /* CONFIG_ATFILE */
482
483#ifdef CONFIG_UTIMENSAT
484static int sys_utimensat(int dirfd, const char *pathname,
485 const struct timespec times[2], int flags)
486{
487 if (pathname == NULL)
488 return futimens(dirfd, times);
489 else
490 return utimensat(dirfd, pathname, times, flags);
491}
492#else
9007f0ef
TS		 493#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
494_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
495 const struct timespec *,tsp,int,flags)
496#endif
ebc996f3 497#endif /* CONFIG_UTIMENSAT */
3b3f24ad
AJ		 498
499#ifdef CONFIG_INOTIFY
8690e420 500#include <sys/inotify.h>
3b3f24ad 501
39b59763 502#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 503static int sys_inotify_init(void)
504{
505 return (inotify_init());
506}
39b59763
AJ		 507#endif
508#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 509static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
510{
511 return (inotify_add_watch(fd, pathname, mask));
512}
39b59763
AJ		 513#endif
514#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 515static int sys_inotify_rm_watch(int fd, int32_t wd)
516{
8690e420 517 return (inotify_rm_watch(fd, wd));
3b3f24ad 518}
bd0c5661 519#endif
c05c7a73
RV		 520#ifdef CONFIG_INOTIFY1
521#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
522static int sys_inotify_init1(int flags)
523{
524 return (inotify_init1(flags));
525}
526#endif
527#endif
3b3f24ad
AJ		 528#else
529/* Userspace can usually survive runtime without inotify */
530#undef TARGET_NR_inotify_init
c05c7a73 531#undef TARGET_NR_inotify_init1
3b3f24ad
AJ		 532#undef TARGET_NR_inotify_add_watch
533#undef TARGET_NR_inotify_rm_watch
534#endif /* CONFIG_INOTIFY */
535
d8035d4c
MF		 536#if defined(TARGET_NR_ppoll)
537#ifndef __NR_ppoll
538# define __NR_ppoll -1
539#endif
540#define __NR_sys_ppoll __NR_ppoll
541_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
542 struct timespec *, timeout, const __sigset_t *, sigmask,
543 size_t, sigsetsize)
544#endif
66fb9763 545
055e0906
MF		 546#if defined(TARGET_NR_pselect6)
547#ifndef __NR_pselect6
548# define __NR_pselect6 -1
549#endif
550#define __NR_sys_pselect6 __NR_pselect6
551_syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
552 fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
553#endif
554
163a05a8
PM		 555#if defined(TARGET_NR_prlimit64)
556#ifndef __NR_prlimit64
557# define __NR_prlimit64 -1
558#endif
559#define __NR_sys_prlimit64 __NR_prlimit64
560/* The glibc rlimit structure may not be that used by the underlying syscall */
561struct host_rlimit64 {
562 uint64_t rlim_cur;
563 uint64_t rlim_max;
564};
565_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
566 const struct host_rlimit64 *, new_limit,
567 struct host_rlimit64 *, old_limit)
568#endif
569
66fb9763 570extern int personality(int);
9de5e440
FB		 571extern int flock(int, int);
572extern int setfsuid(int);
573extern int setfsgid(int);
19b84f3c 574extern int setgroups(int, gid_t *);
31e31b8a 575
48e515d4
RV		 576/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
577#ifdef TARGET_ARM
578static inline int regpairs_aligned(void *cpu_env) {
579 return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
580}
581#elif defined(TARGET_MIPS)
582static inline int regpairs_aligned(void *cpu_env) { return 1; }
583#else
584static inline int regpairs_aligned(void *cpu_env) { return 0; }
585#endif
586
b92c47c1
TS		 587#define ERRNO_TABLE_SIZE 1200
588
589/* target_to_host_errno_table[] is initialized from
590 * host_to_target_errno_table[] in syscall_init(). */
591static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
592};
593
637947f1 594/*
fe8f096b 595 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 596 * minus the errnos that are not actually generic to all archs.
597 */
b92c47c1 598static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 599 [EIDRM] = TARGET_EIDRM,
600 [ECHRNG] = TARGET_ECHRNG,
601 [EL2NSYNC] = TARGET_EL2NSYNC,
602 [EL3HLT] = TARGET_EL3HLT,
603 [EL3RST] = TARGET_EL3RST,
604 [ELNRNG] = TARGET_ELNRNG,
605 [EUNATCH] = TARGET_EUNATCH,
606 [ENOCSI] = TARGET_ENOCSI,
607 [EL2HLT] = TARGET_EL2HLT,
608 [EDEADLK] = TARGET_EDEADLK,
609 [ENOLCK] = TARGET_ENOLCK,
610 [EBADE] = TARGET_EBADE,
611 [EBADR] = TARGET_EBADR,
612 [EXFULL] = TARGET_EXFULL,
613 [ENOANO] = TARGET_ENOANO,
614 [EBADRQC] = TARGET_EBADRQC,
615 [EBADSLT] = TARGET_EBADSLT,
616 [EBFONT] = TARGET_EBFONT,
617 [ENOSTR] = TARGET_ENOSTR,
618 [ENODATA] = TARGET_ENODATA,
619 [ETIME] = TARGET_ETIME,
620 [ENOSR] = TARGET_ENOSR,
621 [ENONET] = TARGET_ENONET,
622 [ENOPKG] = TARGET_ENOPKG,
623 [EREMOTE] = TARGET_EREMOTE,
624 [ENOLINK] = TARGET_ENOLINK,
625 [EADV] = TARGET_EADV,
626 [ESRMNT] = TARGET_ESRMNT,
627 [ECOMM] = TARGET_ECOMM,
628 [EPROTO] = TARGET_EPROTO,
629 [EDOTDOT] = TARGET_EDOTDOT,
630 [EMULTIHOP] = TARGET_EMULTIHOP,
631 [EBADMSG] = TARGET_EBADMSG,
632 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
633 [EOVERFLOW] = TARGET_EOVERFLOW,
634 [ENOTUNIQ] = TARGET_ENOTUNIQ,
635 [EBADFD] = TARGET_EBADFD,
636 [EREMCHG] = TARGET_EREMCHG,
637 [ELIBACC] = TARGET_ELIBACC,
638 [ELIBBAD] = TARGET_ELIBBAD,
639 [ELIBSCN] = TARGET_ELIBSCN,
640 [ELIBMAX] = TARGET_ELIBMAX,
641 [ELIBEXEC] = TARGET_ELIBEXEC,
642 [EILSEQ] = TARGET_EILSEQ,
643 [ENOSYS] = TARGET_ENOSYS,
644 [ELOOP] = TARGET_ELOOP,
645 [ERESTART] = TARGET_ERESTART,
646 [ESTRPIPE] = TARGET_ESTRPIPE,
647 [ENOTEMPTY] = TARGET_ENOTEMPTY,
648 [EUSERS] = TARGET_EUSERS,
649 [ENOTSOCK] = TARGET_ENOTSOCK,
650 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
651 [EMSGSIZE] = TARGET_EMSGSIZE,
652 [EPROTOTYPE] = TARGET_EPROTOTYPE,
653 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
654 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
655 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
656 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
657 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
658 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
659 [EADDRINUSE] = TARGET_EADDRINUSE,
660 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
661 [ENETDOWN] = TARGET_ENETDOWN,
662 [ENETUNREACH] = TARGET_ENETUNREACH,
663 [ENETRESET] = TARGET_ENETRESET,
664 [ECONNABORTED] = TARGET_ECONNABORTED,
665 [ECONNRESET] = TARGET_ECONNRESET,
666 [ENOBUFS] = TARGET_ENOBUFS,
667 [EISCONN] = TARGET_EISCONN,
668 [ENOTCONN] = TARGET_ENOTCONN,
669 [EUCLEAN] = TARGET_EUCLEAN,
670 [ENOTNAM] = TARGET_ENOTNAM,
671 [ENAVAIL] = TARGET_ENAVAIL,
672 [EISNAM] = TARGET_EISNAM,
673 [EREMOTEIO] = TARGET_EREMOTEIO,
674 [ESHUTDOWN] = TARGET_ESHUTDOWN,
675 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
676 [ETIMEDOUT] = TARGET_ETIMEDOUT,
677 [ECONNREFUSED] = TARGET_ECONNREFUSED,
678 [EHOSTDOWN] = TARGET_EHOSTDOWN,
679 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
680 [EALREADY] = TARGET_EALREADY,
681 [EINPROGRESS] = TARGET_EINPROGRESS,
682 [ESTALE] = TARGET_ESTALE,
683 [ECANCELED] = TARGET_ECANCELED,
684 [ENOMEDIUM] = TARGET_ENOMEDIUM,
685 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 686#ifdef ENOKEY
637947f1 687 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 688#endif
689#ifdef EKEYEXPIRED
637947f1 690 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 691#endif
692#ifdef EKEYREVOKED
637947f1 693 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 694#endif
695#ifdef EKEYREJECTED
637947f1 696 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 697#endif
698#ifdef EOWNERDEAD
637947f1 699 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 700#endif
701#ifdef ENOTRECOVERABLE
637947f1 702 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 703#endif
b92c47c1 704};
637947f1
TS		 705
706static inline int host_to_target_errno(int err)
707{
708 if(host_to_target_errno_table[err])
709 return host_to_target_errno_table[err];
710 return err;
711}
712
b92c47c1
TS		 713static inline int target_to_host_errno(int err)
714{
715 if (target_to_host_errno_table[err])
716 return target_to_host_errno_table[err];
717 return err;
718}
719
992f48a0 720static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 721{
722 if (ret == -1)
637947f1 723 return -host_to_target_errno(errno);
31e31b8a
FB		 724 else
725 return ret;
726}
727
992f48a0 728static inline int is_error(abi_long ret)
31e31b8a 729{
992f48a0 730 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 731}
732
b92c47c1
TS		 733char *target_strerror(int err)
734{
962b289e
AG		 735 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
736 return NULL;
737 }
b92c47c1
TS		 738 return strerror(target_to_host_errno(err));
739}
740
992f48a0
BS		 741static abi_ulong target_brk;
742static abi_ulong target_original_brk;
4d1de87c 743static abi_ulong brk_page;
31e31b8a 744
992f48a0 745void target_set_brk(abi_ulong new_brk)
31e31b8a 746{
4c1de73d 747 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
4d1de87c 748 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 749}
750
4d1de87c
CV		 751//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
752#define DEBUGF_BRK(message, args...)
753
0da46a6e 754/* do_brk() must return target values and target errnos. */
992f48a0 755abi_long do_brk(abi_ulong new_brk)
31e31b8a 756{
992f48a0 757 abi_long mapped_addr;
31e31b8a
FB		 758 int new_alloc_size;
759
3a0c6c4a 760 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
4d1de87c
CV		 761
762 if (!new_brk) {
3a0c6c4a 763 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
53a5960a 764 return target_brk;
4d1de87c
CV		 765 }
766 if (new_brk < target_original_brk) {
3a0c6c4a
PB		 767 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
768 target_brk);
7ab240ad 769 return target_brk;
4d1de87c 770 }
3b46e624 771
4d1de87c
CV		 772 /* If the new brk is less than the highest page reserved to the
773 * target heap allocation, set it and we're almost done... */
774 if (new_brk <= brk_page) {
775 /* Heap contents are initialized to zero, as for anonymous
776 * mapped pages. */
777 if (new_brk > target_brk) {
778 memset(g2h(target_brk), 0, new_brk - target_brk);
779 }
31e31b8a 780 target_brk = new_brk;
3a0c6c4a 781 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
53a5960a 782 return target_brk;
31e31b8a
FB		 783 }
784
00faf08c
PM		 785 /* We need to allocate more memory after the brk... Note that
786 * we don't use MAP_FIXED because that will map over the top of
787 * any existing mapping (like the one with the host libc or qemu
788 * itself); instead we treat "mapped but at wrong address" as
789 * a failure and unmap again.
790 */
4d1de87c 791 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
5fafdf24 792 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004 793 PROT_READ|PROT_WRITE,
00faf08c
PM		 794 MAP_ANON|MAP_PRIVATE, 0, 0));
795
796 if (mapped_addr == brk_page) {
70afc343
CV		 797 /* Heap contents are initialized to zero, as for anonymous
798 * mapped pages. Technically the new pages are already
799 * initialized to zero since they *are* anonymous mapped
800 * pages, however we have to take care with the contents that
801 * come from the remaining part of the previous page: it may
802 * contains garbage data due to a previous heap usage (grown
803 * then shrunken). */
804 memset(g2h(target_brk), 0, brk_page - target_brk);
805
00faf08c 806 target_brk = new_brk;
4d1de87c 807 brk_page = HOST_PAGE_ALIGN(target_brk);
3a0c6c4a
PB		 808 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
809 target_brk);
00faf08c
PM		 810 return target_brk;
811 } else if (mapped_addr != -1) {
812 /* Mapped but at wrong address, meaning there wasn't actually
813 * enough space for this brk.
814 */
815 target_munmap(mapped_addr, new_alloc_size);
816 mapped_addr = -1;
3a0c6c4a 817 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
4d1de87c
CV		 818 }
819 else {
3a0c6c4a 820 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
00faf08c 821 }
7ab240ad 822
7dd46c02
RH		 823#if defined(TARGET_ALPHA)
824 /* We (partially) emulate OSF/1 on Alpha, which requires we
825 return a proper errno, not an unchanged brk value. */
00faf08c 826 return -TARGET_ENOMEM;
7dd46c02 827#endif
00faf08c 828 /* For everything else, return the previous break. */
7ab240ad 829 return target_brk;
31e31b8a
FB		 830}
831
26edcf41
TS		 832static inline abi_long copy_from_user_fdset(fd_set *fds,
833 abi_ulong target_fds_addr,
834 int n)
31e31b8a 835{
26edcf41
TS		 836 int i, nw, j, k;
837 abi_ulong b, *target_fds;
838
839 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
840 if (!(target_fds = lock_user(VERIFY_READ,
841 target_fds_addr,
842 sizeof(abi_ulong) * nw,
843 1)))
844 return -TARGET_EFAULT;
845
846 FD_ZERO(fds);
847 k = 0;
848 for (i = 0; i < nw; i++) {
849 /* grab the abi_ulong */
850 __get_user(b, &target_fds[i]);
851 for (j = 0; j < TARGET_ABI_BITS; j++) {
852 /* check the bit inside the abi_ulong */
853 if ((b >> j) & 1)
854 FD_SET(k, fds);
855 k++;
31e31b8a 856 }
31e31b8a 857 }
26edcf41
TS		 858
859 unlock_user(target_fds, target_fds_addr, 0);
860
861 return 0;
31e31b8a
FB		 862}
863
055e0906
MF		 864static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
865 abi_ulong target_fds_addr,
866 int n)
867{
868 if (target_fds_addr) {
869 if (copy_from_user_fdset(fds, target_fds_addr, n))
870 return -TARGET_EFAULT;
871 *fds_ptr = fds;
872 } else {
873 *fds_ptr = NULL;
874 }
875 return 0;
876}
877
26edcf41
TS		 878static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
879 const fd_set *fds,
880 int n)
31e31b8a 881{
31e31b8a 882 int i, nw, j, k;
992f48a0 883 abi_long v;
26edcf41 884 abi_ulong *target_fds;
31e31b8a 885
26edcf41
TS		 886 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
887 if (!(target_fds = lock_user(VERIFY_WRITE,
888 target_fds_addr,
889 sizeof(abi_ulong) * nw,
890 0)))
891 return -TARGET_EFAULT;
892
893 k = 0;
894 for (i = 0; i < nw; i++) {
895 v = 0;
896 for (j = 0; j < TARGET_ABI_BITS; j++) {
897 v |= ((FD_ISSET(k, fds) != 0) << j);
898 k++;
31e31b8a 899 }
26edcf41 900 __put_user(v, &target_fds[i]);
31e31b8a 901 }
26edcf41
TS		 902
903 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
904
905 return 0;
31e31b8a
FB		 906}
907
c596ed17
FB		 908#if defined(__alpha__)
909#define HOST_HZ 1024
910#else
911#define HOST_HZ 100
912#endif
913
992f48a0 914static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 915{
916#if HOST_HZ == TARGET_HZ
917 return ticks;
918#else
919 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
920#endif
921}
922
579a97f7
FB		 923static inline abi_long host_to_target_rusage(abi_ulong target_addr,
924 const struct rusage *rusage)
b409186b 925{
53a5960a
PB		 926 struct target_rusage *target_rusage;
927
579a97f7
FB		 928 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
929 return -TARGET_EFAULT;
cbb21eed
MB		 930 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
931 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
932 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
933 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
934 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
935 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
936 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
937 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
938 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
939 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
940 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
941 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
942 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
943 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
944 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
945 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
946 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
947 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
53a5960a 948 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 949
950 return 0;
b409186b
FB		 951}
952
cbb21eed 953static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
81bbe906 954{
cbb21eed 955 abi_ulong target_rlim_swap;
95b33b2f
WT		 956 rlim_t result;
957
cbb21eed
MB		 958 target_rlim_swap = tswapal(target_rlim);
959 if (target_rlim_swap == TARGET_RLIM_INFINITY)
960 return RLIM_INFINITY;
961
962 result = target_rlim_swap;
963 if (target_rlim_swap != (rlim_t)result)
964 return RLIM_INFINITY;
95b33b2f
WT		 965
966 return result;
81bbe906
TY		 967}
968
cbb21eed 969static inline abi_ulong host_to_target_rlim(rlim_t rlim)
81bbe906 970{
cbb21eed
MB		 971 abi_ulong target_rlim_swap;
972 abi_ulong result;
95b33b2f 973
cbb21eed 974 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
95b33b2f 975 target_rlim_swap = TARGET_RLIM_INFINITY;
81bbe906 976 else
95b33b2f 977 target_rlim_swap = rlim;
cbb21eed 978 result = tswapal(target_rlim_swap);
95b33b2f
WT		 979
980 return result;
81bbe906
TY		 981}
982
e22b7015
WT		 983static inline int target_to_host_resource(int code)
984{
985 switch (code) {
986 case TARGET_RLIMIT_AS:
987 return RLIMIT_AS;
988 case TARGET_RLIMIT_CORE:
989 return RLIMIT_CORE;
990 case TARGET_RLIMIT_CPU:
991 return RLIMIT_CPU;
992 case TARGET_RLIMIT_DATA:
993 return RLIMIT_DATA;
994 case TARGET_RLIMIT_FSIZE:
995 return RLIMIT_FSIZE;
996 case TARGET_RLIMIT_LOCKS:
997 return RLIMIT_LOCKS;
998 case TARGET_RLIMIT_MEMLOCK:
999 return RLIMIT_MEMLOCK;
1000 case TARGET_RLIMIT_MSGQUEUE:
1001 return RLIMIT_MSGQUEUE;
1002 case TARGET_RLIMIT_NICE:
1003 return RLIMIT_NICE;
1004 case TARGET_RLIMIT_NOFILE:
1005 return RLIMIT_NOFILE;
1006 case TARGET_RLIMIT_NPROC:
1007 return RLIMIT_NPROC;
1008 case TARGET_RLIMIT_RSS:
1009 return RLIMIT_RSS;
1010 case TARGET_RLIMIT_RTPRIO:
1011 return RLIMIT_RTPRIO;
1012 case TARGET_RLIMIT_SIGPENDING:
1013 return RLIMIT_SIGPENDING;
1014 case TARGET_RLIMIT_STACK:
1015 return RLIMIT_STACK;
1016 default:
1017 return code;
1018 }
1019}
1020
788f5ec4
TS		 1021static inline abi_long copy_from_user_timeval(struct timeval *tv,
1022 abi_ulong target_tv_addr)
31e31b8a 1023{
53a5960a
PB		 1024 struct target_timeval *target_tv;
1025
788f5ec4 1026 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 1027 return -TARGET_EFAULT;
788f5ec4
TS		 1028
1029 __get_user(tv->tv_sec, &target_tv->tv_sec);
1030 __get_user(tv->tv_usec, &target_tv->tv_usec);
1031
1032 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 1033
1034 return 0;
31e31b8a
FB		 1035}
1036
788f5ec4
TS		 1037static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
1038 const struct timeval *tv)
31e31b8a 1039{
53a5960a
PB		 1040 struct target_timeval *target_tv;
1041
788f5ec4 1042 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 1043 return -TARGET_EFAULT;
788f5ec4
TS		 1044
1045 __put_user(tv->tv_sec, &target_tv->tv_sec);
1046 __put_user(tv->tv_usec, &target_tv->tv_usec);
1047
1048 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 1049
1050 return 0;
31e31b8a
FB		 1051}
1052
8ec9cf89
NF		 1053#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1054#include <mqueue.h>
1055
24e1003a
AJ		 1056static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1057 abi_ulong target_mq_attr_addr)
1058{
1059 struct target_mq_attr *target_mq_attr;
1060
1061 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1062 target_mq_attr_addr, 1))
1063 return -TARGET_EFAULT;
1064
1065 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1066 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1067 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1068 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1069
1070 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1071
1072 return 0;
1073}
1074
1075static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1076 const struct mq_attr *attr)
1077{
1078 struct target_mq_attr *target_mq_attr;
1079
1080 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1081 target_mq_attr_addr, 0))
1082 return -TARGET_EFAULT;
1083
1084 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1085 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1086 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1087 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1088
1089 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1090
1091 return 0;
1092}
8ec9cf89 1093#endif
31e31b8a 1094
055e0906 1095#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
0da46a6e 1096/* do_select() must return target values and target errnos. */
992f48a0 1097static abi_long do_select(int n,
26edcf41
TS		 1098 abi_ulong rfd_addr, abi_ulong wfd_addr,
1099 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 1100{
1101 fd_set rfds, wfds, efds;
1102 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1103 struct timeval tv, *tv_ptr;
992f48a0 1104 abi_long ret;
31e31b8a 1105
055e0906
MF		 1106 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1107 if (ret) {
1108 return ret;
53a5960a 1109 }
055e0906
MF		 1110 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1111 if (ret) {
1112 return ret;
53a5960a 1113 }
055e0906
MF		 1114 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1115 if (ret) {
1116 return ret;
53a5960a 1117 }
3b46e624 1118
26edcf41 1119 if (target_tv_addr) {
788f5ec4
TS		 1120 if (copy_from_user_timeval(&tv, target_tv_addr))
1121 return -TARGET_EFAULT;
31e31b8a
FB		 1122 tv_ptr = &tv;
1123 } else {
1124 tv_ptr = NULL;
1125 }
26edcf41 1126
31e31b8a 1127 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 1128
26edcf41
TS		 1129 if (!is_error(ret)) {
1130 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1131 return -TARGET_EFAULT;
1132 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1133 return -TARGET_EFAULT;
1134 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1135 return -TARGET_EFAULT;
31e31b8a 1136
788f5ec4
TS		 1137 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
1138 return -TARGET_EFAULT;
31e31b8a 1139 }
579a97f7 1140
31e31b8a
FB		 1141 return ret;
1142}
055e0906 1143#endif
31e31b8a 1144
099d6b0f
RV		 1145static abi_long do_pipe2(int host_pipe[], int flags)
1146{
1147#ifdef CONFIG_PIPE2
1148 return pipe2(host_pipe, flags);
1149#else
1150 return -ENOSYS;
1151#endif
1152}
1153
fb41a66e
RH		 1154static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1155 int flags, int is_pipe2)
099d6b0f
RV		 1156{
1157 int host_pipe[2];
1158 abi_long ret;
1159 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1160
1161 if (is_error(ret))
1162 return get_errno(ret);
fb41a66e
RH		 1163
1164 /* Several targets have special calling conventions for the original
1165 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1166 if (!is_pipe2) {
1167#if defined(TARGET_ALPHA)
1168 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1169 return host_pipe[0];
1170#elif defined(TARGET_MIPS)
1171 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1172 return host_pipe[0];
1173#elif defined(TARGET_SH4)
597c0212 1174 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
fb41a66e 1175 return host_pipe[0];
597c0212 1176#endif
fb41a66e
RH		 1177 }
1178
099d6b0f
RV		 1179 if (put_user_s32(host_pipe[0], pipedes)
1180 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1181 return -TARGET_EFAULT;
099d6b0f
RV		 1182 return get_errno(ret);
1183}
1184
b975b83b
LL		 1185static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1186 abi_ulong target_addr,
1187 socklen_t len)
1188{
1189 struct target_ip_mreqn *target_smreqn;
1190
1191 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1192 if (!target_smreqn)
1193 return -TARGET_EFAULT;
1194 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1195 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1196 if (len == sizeof(struct target_ip_mreqn))
cbb21eed 1197 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
b975b83b
LL		 1198 unlock_user(target_smreqn, target_addr, 0);
1199
1200 return 0;
1201}
1202
579a97f7
FB		 1203static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1204 abi_ulong target_addr,
1205 socklen_t len)
7854b056 1206{
607175e0
AJ		 1207 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1208 sa_family_t sa_family;
53a5960a
PB		 1209 struct target_sockaddr *target_saddr;
1210
579a97f7
FB		 1211 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1212 if (!target_saddr)
1213 return -TARGET_EFAULT;
607175e0
AJ		 1214
1215 sa_family = tswap16(target_saddr->sa_family);
1216
1217 /* Oops. The caller might send a incomplete sun_path; sun_path
1218 * must be terminated by \0 (see the manual page), but
1219 * unfortunately it is quite common to specify sockaddr_un
1220 * length as "strlen(x->sun_path)" while it should be
1221 * "strlen(...) + 1". We'll fix that here if needed.
1222 * Linux kernel has a similar feature.
1223 */
1224
1225 if (sa_family == AF_UNIX) {
1226 if (len < unix_maxlen && len > 0) {
1227 char *cp = (char*)target_saddr;
1228
1229 if ( cp[len-1] && !cp[len] )
1230 len++;
1231 }
1232 if (len > unix_maxlen)
1233 len = unix_maxlen;
1234 }
1235
53a5960a 1236 memcpy(addr, target_saddr, len);
607175e0 1237 addr->sa_family = sa_family;
53a5960a 1238 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1239
1240 return 0;
7854b056
FB		 1241}
1242
579a97f7
FB		 1243static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1244 struct sockaddr *addr,
1245 socklen_t len)
7854b056 1246{
53a5960a
PB		 1247 struct target_sockaddr *target_saddr;
1248
579a97f7
FB		 1249 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1250 if (!target_saddr)
1251 return -TARGET_EFAULT;
53a5960a
PB		 1252 memcpy(target_saddr, addr, len);
1253 target_saddr->sa_family = tswap16(addr->sa_family);
1254 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1255
1256 return 0;
7854b056
FB		 1257}
1258
53a5960a 1259/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1260static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1261 struct target_msghdr *target_msgh)
7854b056
FB		 1262{
1263 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1264 abi_long msg_controllen;
1265 abi_ulong target_cmsg_addr;
1266 struct target_cmsghdr *target_cmsg;
7854b056 1267 socklen_t space = 0;
5a4a898d 1268
cbb21eed 1269 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1270 if (msg_controllen < sizeof (struct target_cmsghdr))
1271 goto the_end;
cbb21eed 1272 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1273 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1274 if (!target_cmsg)
1275 return -TARGET_EFAULT;
7854b056
FB		 1276
1277 while (cmsg && target_cmsg) {
1278 void *data = CMSG_DATA(cmsg);
1279 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1280
cbb21eed 1281 int len = tswapal(target_cmsg->cmsg_len)
7854b056
FB		 1282 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1283
1284 space += CMSG_SPACE(len);
1285 if (space > msgh->msg_controllen) {
1286 space -= CMSG_SPACE(len);
31febb71 1287 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1288 break;
1289 }
1290
1291 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1292 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1293 cmsg->cmsg_len = CMSG_LEN(len);
1294
3532fa74 1295 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1296 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1297 memcpy(data, target_data, len);
1298 } else {
1299 int *fd = (int *)data;
1300 int *target_fd = (int *)target_data;
1301 int i, numfds = len / sizeof(int);
1302
1303 for (i = 0; i < numfds; i++)
1304 fd[i] = tswap32(target_fd[i]);
1305 }
1306
1307 cmsg = CMSG_NXTHDR(msgh, cmsg);
1308 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1309 }
5a4a898d
FB		 1310 unlock_user(target_cmsg, target_cmsg_addr, 0);
1311 the_end:
7854b056 1312 msgh->msg_controllen = space;
5a4a898d 1313 return 0;
7854b056
FB		 1314}
1315
53a5960a 1316/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1317static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1318 struct msghdr *msgh)
7854b056
FB		 1319{
1320 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1321 abi_long msg_controllen;
1322 abi_ulong target_cmsg_addr;
1323 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1324 socklen_t space = 0;
1325
cbb21eed 1326 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1327 if (msg_controllen < sizeof (struct target_cmsghdr))
1328 goto the_end;
cbb21eed 1329 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1330 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1331 if (!target_cmsg)
1332 return -TARGET_EFAULT;
1333
7854b056
FB		 1334 while (cmsg && target_cmsg) {
1335 void *data = CMSG_DATA(cmsg);
1336 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1337
1338 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1339
1340 space += TARGET_CMSG_SPACE(len);
5a4a898d 1341 if (space > msg_controllen) {
7854b056 1342 space -= TARGET_CMSG_SPACE(len);
31febb71 1343 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1344 break;
1345 }
1346
1347 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1348 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
cbb21eed 1349 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
7854b056 1350
3532fa74 1351 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1352 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1353 memcpy(target_data, data, len);
1354 } else {
1355 int *fd = (int *)data;
1356 int *target_fd = (int *)target_data;
1357 int i, numfds = len / sizeof(int);
1358
1359 for (i = 0; i < numfds; i++)
1360 target_fd[i] = tswap32(fd[i]);
1361 }
1362
1363 cmsg = CMSG_NXTHDR(msgh, cmsg);
1364 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1365 }
5a4a898d
FB		 1366 unlock_user(target_cmsg, target_cmsg_addr, space);
1367 the_end:
cbb21eed 1368 target_msgh->msg_controllen = tswapal(space);
5a4a898d 1369 return 0;
7854b056
FB		 1370}
1371
0da46a6e 1372/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1373static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1374 abi_ulong optval_addr, socklen_t optlen)
7854b056 1375{
992f48a0 1376 abi_long ret;
32407103 1377 int val;
b975b83b 1378 struct ip_mreqn *ip_mreq;
6e3cb58f 1379 struct ip_mreq_source *ip_mreq_source;
3b46e624 1380
8853f86e
FB		 1381 switch(level) {
1382 case SOL_TCP:
7854b056 1383 /* TCP options all take an 'int' value. */
7854b056 1384 if (optlen < sizeof(uint32_t))
0da46a6e 1385 return -TARGET_EINVAL;
3b46e624 1386
2f619698
FB		 1387 if (get_user_u32(val, optval_addr))
1388 return -TARGET_EFAULT;
8853f86e
FB		 1389 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1390 break;
1391 case SOL_IP:
1392 switch(optname) {
2efbe911
FB		 1393 case IP_TOS:
1394 case IP_TTL:
8853f86e 1395 case IP_HDRINCL:
2efbe911
FB		 1396 case IP_ROUTER_ALERT:
1397 case IP_RECVOPTS:
1398 case IP_RETOPTS:
1399 case IP_PKTINFO:
1400 case IP_MTU_DISCOVER:
1401 case IP_RECVERR:
1402 case IP_RECVTOS:
1403#ifdef IP_FREEBIND
1404 case IP_FREEBIND:
1405#endif
1406 case IP_MULTICAST_TTL:
1407 case IP_MULTICAST_LOOP:
8853f86e
FB		 1408 val = 0;
1409 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1410 if (get_user_u32(val, optval_addr))
1411 return -TARGET_EFAULT;
8853f86e 1412 } else if (optlen >= 1) {
2f619698
FB		 1413 if (get_user_u8(val, optval_addr))
1414 return -TARGET_EFAULT;
8853f86e
FB		 1415 }
1416 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1417 break;
b975b83b
LL		 1418 case IP_ADD_MEMBERSHIP:
1419 case IP_DROP_MEMBERSHIP:
1420 if (optlen < sizeof (struct target_ip_mreq) ||
1421 optlen > sizeof (struct target_ip_mreqn))
1422 return -TARGET_EINVAL;
1423
1424 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1425 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1426 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1427 break;
1428
6e3cb58f
LL		 1429 case IP_BLOCK_SOURCE:
1430 case IP_UNBLOCK_SOURCE:
1431 case IP_ADD_SOURCE_MEMBERSHIP:
1432 case IP_DROP_SOURCE_MEMBERSHIP:
1433 if (optlen != sizeof (struct target_ip_mreq_source))
1434 return -TARGET_EINVAL;
1435
1436 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1437 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1438 unlock_user (ip_mreq_source, optval_addr, 0);
1439 break;
1440
8853f86e
FB		 1441 default:
1442 goto unimplemented;
1443 }
1444 break;
3532fa74 1445 case TARGET_SOL_SOCKET:
8853f86e
FB		 1446 switch (optname) {
1447 /* Options with 'int' argument. */
3532fa74
FB		 1448 case TARGET_SO_DEBUG:
1449 optname = SO_DEBUG;
1450 break;
1451 case TARGET_SO_REUSEADDR:
1452 optname = SO_REUSEADDR;
1453 break;
1454 case TARGET_SO_TYPE:
1455 optname = SO_TYPE;
1456 break;
1457 case TARGET_SO_ERROR:
1458 optname = SO_ERROR;
1459 break;
1460 case TARGET_SO_DONTROUTE:
1461 optname = SO_DONTROUTE;
1462 break;
1463 case TARGET_SO_BROADCAST:
1464 optname = SO_BROADCAST;
1465 break;
1466 case TARGET_SO_SNDBUF:
1467 optname = SO_SNDBUF;
1468 break;
1469 case TARGET_SO_RCVBUF:
1470 optname = SO_RCVBUF;
1471 break;
1472 case TARGET_SO_KEEPALIVE:
1473 optname = SO_KEEPALIVE;
1474 break;
1475 case TARGET_SO_OOBINLINE:
1476 optname = SO_OOBINLINE;
1477 break;
1478 case TARGET_SO_NO_CHECK:
1479 optname = SO_NO_CHECK;
1480 break;
1481 case TARGET_SO_PRIORITY:
1482 optname = SO_PRIORITY;
1483 break;
5e83e8e3 1484#ifdef SO_BSDCOMPAT
3532fa74
FB		 1485 case TARGET_SO_BSDCOMPAT:
1486 optname = SO_BSDCOMPAT;
1487 break;
5e83e8e3 1488#endif
3532fa74
FB		 1489 case TARGET_SO_PASSCRED:
1490 optname = SO_PASSCRED;
1491 break;
1492 case TARGET_SO_TIMESTAMP:
1493 optname = SO_TIMESTAMP;
1494 break;
1495 case TARGET_SO_RCVLOWAT:
1496 optname = SO_RCVLOWAT;
1497 break;
1498 case TARGET_SO_RCVTIMEO:
1499 optname = SO_RCVTIMEO;
1500 break;
1501 case TARGET_SO_SNDTIMEO:
1502 optname = SO_SNDTIMEO;
1503 break;
8853f86e
FB		 1504 break;
1505 default:
1506 goto unimplemented;
1507 }
3532fa74 1508 if (optlen < sizeof(uint32_t))
2f619698 1509 return -TARGET_EINVAL;
3532fa74 1510
2f619698
FB		 1511 if (get_user_u32(val, optval_addr))
1512 return -TARGET_EFAULT;
3532fa74 1513 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1514 break;
7854b056 1515 default:
8853f86e 1516 unimplemented:
b2bedb21 1517 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
6fa13c17 1518 ret = -TARGET_ENOPROTOOPT;
7854b056 1519 }
8853f86e 1520 return ret;
7854b056
FB		 1521}
1522
0da46a6e 1523/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1524static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1525 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1526{
992f48a0 1527 abi_long ret;
b55266b5
BS		 1528 int len, val;
1529 socklen_t lv;
8853f86e
FB		 1530
1531 switch(level) {
3532fa74 1532 case TARGET_SOL_SOCKET:
f3b974cd
JL		 1533 level = SOL_SOCKET;
1534 switch (optname) {
1535 /* These don't just return a single integer */
1536 case TARGET_SO_LINGER:
1537 case TARGET_SO_RCVTIMEO:
1538 case TARGET_SO_SNDTIMEO:
f3b974cd
JL		 1539 case TARGET_SO_PEERNAME:
1540 goto unimplemented;
583359a6
AP		 1541 case TARGET_SO_PEERCRED: {
1542 struct ucred cr;
1543 socklen_t crlen;
1544 struct target_ucred *tcr;
1545
1546 if (get_user_u32(len, optlen)) {
1547 return -TARGET_EFAULT;
1548 }
1549 if (len < 0) {
1550 return -TARGET_EINVAL;
1551 }
1552
1553 crlen = sizeof(cr);
1554 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
1555 &cr, &crlen));
1556 if (ret < 0) {
1557 return ret;
1558 }
1559 if (len > crlen) {
1560 len = crlen;
1561 }
1562 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
1563 return -TARGET_EFAULT;
1564 }
1565 __put_user(cr.pid, &tcr->pid);
1566 __put_user(cr.uid, &tcr->uid);
1567 __put_user(cr.gid, &tcr->gid);
1568 unlock_user_struct(tcr, optval_addr, 1);
1569 if (put_user_u32(len, optlen)) {
1570 return -TARGET_EFAULT;
1571 }
1572 break;
1573 }
f3b974cd
JL		 1574 /* Options with 'int' argument. */
1575 case TARGET_SO_DEBUG:
1576 optname = SO_DEBUG;
1577 goto int_case;
1578 case TARGET_SO_REUSEADDR:
1579 optname = SO_REUSEADDR;
1580 goto int_case;
1581 case TARGET_SO_TYPE:
1582 optname = SO_TYPE;
1583 goto int_case;
1584 case TARGET_SO_ERROR:
1585 optname = SO_ERROR;
1586 goto int_case;
1587 case TARGET_SO_DONTROUTE:
1588 optname = SO_DONTROUTE;
1589 goto int_case;
1590 case TARGET_SO_BROADCAST:
1591 optname = SO_BROADCAST;
1592 goto int_case;
1593 case TARGET_SO_SNDBUF:
1594 optname = SO_SNDBUF;
1595 goto int_case;
1596 case TARGET_SO_RCVBUF:
1597 optname = SO_RCVBUF;
1598 goto int_case;
1599 case TARGET_SO_KEEPALIVE:
1600 optname = SO_KEEPALIVE;
1601 goto int_case;
1602 case TARGET_SO_OOBINLINE:
1603 optname = SO_OOBINLINE;
1604 goto int_case;
1605 case TARGET_SO_NO_CHECK:
1606 optname = SO_NO_CHECK;
1607 goto int_case;
1608 case TARGET_SO_PRIORITY:
1609 optname = SO_PRIORITY;
1610 goto int_case;
1611#ifdef SO_BSDCOMPAT
1612 case TARGET_SO_BSDCOMPAT:
1613 optname = SO_BSDCOMPAT;
1614 goto int_case;
1615#endif
1616 case TARGET_SO_PASSCRED:
1617 optname = SO_PASSCRED;
1618 goto int_case;
1619 case TARGET_SO_TIMESTAMP:
1620 optname = SO_TIMESTAMP;
1621 goto int_case;
1622 case TARGET_SO_RCVLOWAT:
1623 optname = SO_RCVLOWAT;
1624 goto int_case;
8853f86e 1625 default:
2efbe911
FB		 1626 goto int_case;
1627 }
1628 break;
1629 case SOL_TCP:
1630 /* TCP options all take an 'int' value. */
1631 int_case:
2f619698
FB		 1632 if (get_user_u32(len, optlen))
1633 return -TARGET_EFAULT;
2efbe911 1634 if (len < 0)
0da46a6e 1635 return -TARGET_EINVAL;
73160d95 1636 lv = sizeof(lv);
2efbe911
FB		 1637 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1638 if (ret < 0)
1639 return ret;
2efbe911
FB		 1640 if (len > lv)
1641 len = lv;
2f619698
FB		 1642 if (len == 4) {
1643 if (put_user_u32(val, optval_addr))
1644 return -TARGET_EFAULT;
1645 } else {
1646 if (put_user_u8(val, optval_addr))
1647 return -TARGET_EFAULT;
f3b974cd 1648 }
2f619698
FB		 1649 if (put_user_u32(len, optlen))
1650 return -TARGET_EFAULT;
2efbe911
FB		 1651 break;
1652 case SOL_IP:
1653 switch(optname) {
1654 case IP_TOS:
1655 case IP_TTL:
1656 case IP_HDRINCL:
1657 case IP_ROUTER_ALERT:
1658 case IP_RECVOPTS:
1659 case IP_RETOPTS:
1660 case IP_PKTINFO:
1661 case IP_MTU_DISCOVER:
1662 case IP_RECVERR:
1663 case IP_RECVTOS:
1664#ifdef IP_FREEBIND
1665 case IP_FREEBIND:
1666#endif
1667 case IP_MULTICAST_TTL:
1668 case IP_MULTICAST_LOOP:
2f619698
FB		 1669 if (get_user_u32(len, optlen))
1670 return -TARGET_EFAULT;
8853f86e 1671 if (len < 0)
0da46a6e 1672 return -TARGET_EINVAL;
73160d95 1673 lv = sizeof(lv);
8853f86e
FB		 1674 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1675 if (ret < 0)
1676 return ret;
2efbe911 1677 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1678 len = 1;
2f619698
FB		 1679 if (put_user_u32(len, optlen)
1680 || put_user_u8(val, optval_addr))
1681 return -TARGET_EFAULT;
2efbe911 1682 } else {
2efbe911
FB		 1683 if (len > sizeof(int))
1684 len = sizeof(int);
2f619698
FB		 1685 if (put_user_u32(len, optlen)
1686 || put_user_u32(val, optval_addr))
1687 return -TARGET_EFAULT;
2efbe911 1688 }
8853f86e 1689 break;
2efbe911 1690 default:
c02f499e
TS		 1691 ret = -TARGET_ENOPROTOOPT;
1692 break;
8853f86e
FB		 1693 }
1694 break;
1695 default:
1696 unimplemented:
1697 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1698 level, optname);
c02f499e 1699 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1700 break;
1701 }
1702 return ret;
7854b056
FB		 1703}
1704
579a97f7
FB		 1705/* FIXME
1706 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1707 * other lock functions have a return code of 0 for failure.
1708 */
1709static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1710 int count, int copy)
53a5960a
PB		 1711{
1712 struct target_iovec *target_vec;
992f48a0 1713 abi_ulong base;
d732dcb4 1714 int i;
53a5960a 1715
579a97f7
FB		 1716 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1717 if (!target_vec)
1718 return -TARGET_EFAULT;
53a5960a 1719 for(i = 0;i < count; i++) {
cbb21eed
MB		 1720 base = tswapal(target_vec[i].iov_base);
1721 vec[i].iov_len = tswapal(target_vec[i].iov_len);
41df8411
FB		 1722 if (vec[i].iov_len != 0) {
1723 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1724 /* Don't check lock_user return value. We must call writev even
1725 if a element has invalid base address. */
41df8411
FB		 1726 } else {
1727 /* zero length pointer is ignored */
1728 vec[i].iov_base = NULL;
1729 }
579a97f7
FB		 1730 }
1731 unlock_user (target_vec, target_addr, 0);
1732 return 0;
53a5960a
PB		 1733}
1734
579a97f7
FB		 1735static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1736 int count, int copy)
53a5960a
PB		 1737{
1738 struct target_iovec *target_vec;
992f48a0 1739 abi_ulong base;
53a5960a
PB		 1740 int i;
1741
579a97f7
FB		 1742 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1743 if (!target_vec)
1744 return -TARGET_EFAULT;
53a5960a 1745 for(i = 0;i < count; i++) {
d732dcb4 1746 if (target_vec[i].iov_base) {
cbb21eed 1747 base = tswapal(target_vec[i].iov_base);
d732dcb4
AZ		 1748 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1749 }
53a5960a
PB		 1750 }
1751 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1752
1753 return 0;
53a5960a
PB		 1754}
1755
0da46a6e 1756/* do_socket() Must return target values and target errnos. */
992f48a0 1757static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1758{
1759#if defined(TARGET_MIPS)
1760 switch(type) {
1761 case TARGET_SOCK_DGRAM:
1762 type = SOCK_DGRAM;
1763 break;
1764 case TARGET_SOCK_STREAM:
1765 type = SOCK_STREAM;
1766 break;
1767 case TARGET_SOCK_RAW:
1768 type = SOCK_RAW;
1769 break;
1770 case TARGET_SOCK_RDM:
1771 type = SOCK_RDM;
1772 break;
1773 case TARGET_SOCK_SEQPACKET:
1774 type = SOCK_SEQPACKET;
1775 break;
1776 case TARGET_SOCK_PACKET:
1777 type = SOCK_PACKET;
1778 break;
1779 }
1780#endif
12bc92ab
AZ		 1781 if (domain == PF_NETLINK)
1782 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1783 return get_errno(socket(domain, type, protocol));
1784}
1785
0da46a6e 1786/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1787static abi_long do_bind(int sockfd, abi_ulong target_addr,
1788 socklen_t addrlen)
3532fa74 1789{
8f7aeaf6 1790 void *addr;
917507b0 1791 abi_long ret;
8f7aeaf6 1792
38724253 1793 if ((int)addrlen < 0) {
8f7aeaf6 1794 return -TARGET_EINVAL;
38724253 1795 }
8f7aeaf6 1796
607175e0 1797 addr = alloca(addrlen+1);
3b46e624 1798
917507b0
AP		 1799 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1800 if (ret)
1801 return ret;
1802
3532fa74
FB		 1803 return get_errno(bind(sockfd, addr, addrlen));
1804}
1805
0da46a6e 1806/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1807static abi_long do_connect(int sockfd, abi_ulong target_addr,
1808 socklen_t addrlen)
3532fa74 1809{
8f7aeaf6 1810 void *addr;
917507b0 1811 abi_long ret;
8f7aeaf6 1812
38724253 1813 if ((int)addrlen < 0) {
8f7aeaf6 1814 return -TARGET_EINVAL;
38724253 1815 }
8f7aeaf6
AJ		 1816
1817 addr = alloca(addrlen);
3b46e624 1818
917507b0
AP		 1819 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1820 if (ret)
1821 return ret;
1822
3532fa74
FB		 1823 return get_errno(connect(sockfd, addr, addrlen));
1824}
1825
0da46a6e 1826/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1827static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1828 int flags, int send)
3532fa74 1829{
6de645c7 1830 abi_long ret, len;
3532fa74
FB		 1831 struct target_msghdr *msgp;
1832 struct msghdr msg;
1833 int count;
1834 struct iovec *vec;
992f48a0 1835 abi_ulong target_vec;
3532fa74 1836
579a97f7
FB		 1837 /* FIXME */
1838 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1839 msgp,
1840 target_msg,
1841 send ? 1 : 0))
1842 return -TARGET_EFAULT;
3532fa74
FB		 1843 if (msgp->msg_name) {
1844 msg.msg_namelen = tswap32(msgp->msg_namelen);
1845 msg.msg_name = alloca(msg.msg_namelen);
cbb21eed 1846 ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
3532fa74 1847 msg.msg_namelen);
917507b0
AP		 1848 if (ret) {
1849 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1850 return ret;
1851 }
3532fa74
FB		 1852 } else {
1853 msg.msg_name = NULL;
1854 msg.msg_namelen = 0;
1855 }
cbb21eed 1856 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3532fa74
FB		 1857 msg.msg_control = alloca(msg.msg_controllen);
1858 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1859
cbb21eed 1860 count = tswapal(msgp->msg_iovlen);
3532fa74 1861 vec = alloca(count * sizeof(struct iovec));
cbb21eed 1862 target_vec = tswapal(msgp->msg_iov);
579a97f7 1863 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1864 msg.msg_iovlen = count;
1865 msg.msg_iov = vec;
3b46e624 1866
3532fa74 1867 if (send) {
5a4a898d
FB		 1868 ret = target_to_host_cmsg(&msg, msgp);
1869 if (ret == 0)
1870 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1871 } else {
1872 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1873 if (!is_error(ret)) {
1874 len = ret;
5a4a898d 1875 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1876 if (!is_error(ret))
1877 ret = len;
1878 }
3532fa74
FB		 1879 }
1880 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1881 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1882 return ret;
1883}
1884
0da46a6e 1885/* do_accept() Must return target values and target errnos. */
992f48a0 1886static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1887 abi_ulong target_addrlen_addr)
1be9e1dc 1888{
2f619698
FB		 1889 socklen_t addrlen;
1890 void *addr;
992f48a0 1891 abi_long ret;
1be9e1dc 1892
917507b0
AP		 1893 if (target_addr == 0)
1894 return get_errno(accept(fd, NULL, NULL));
1895
1896 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1897 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1898 return -TARGET_EINVAL;
2f619698 1899
38724253 1900 if ((int)addrlen < 0) {
8f7aeaf6 1901 return -TARGET_EINVAL;
38724253 1902 }
8f7aeaf6 1903
917507b0
AP		 1904 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1905 return -TARGET_EINVAL;
1906
2f619698
FB		 1907 addr = alloca(addrlen);
1908
1be9e1dc
PB		 1909 ret = get_errno(accept(fd, addr, &addrlen));
1910 if (!is_error(ret)) {
1911 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1912 if (put_user_u32(addrlen, target_addrlen_addr))
1913 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1914 }
1915 return ret;
1916}
1917
0da46a6e 1918/* do_getpeername() Must return target values and target errnos. */
992f48a0 1919static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1920 abi_ulong target_addrlen_addr)
1be9e1dc 1921{
2f619698
FB		 1922 socklen_t addrlen;
1923 void *addr;
992f48a0 1924 abi_long ret;
1be9e1dc 1925
2f619698
FB		 1926 if (get_user_u32(addrlen, target_addrlen_addr))
1927 return -TARGET_EFAULT;
1928
38724253 1929 if ((int)addrlen < 0) {
8f7aeaf6 1930 return -TARGET_EINVAL;
38724253 1931 }
8f7aeaf6 1932
917507b0
AP		 1933 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1934 return -TARGET_EFAULT;
1935
2f619698
FB		 1936 addr = alloca(addrlen);
1937
1be9e1dc
PB		 1938 ret = get_errno(getpeername(fd, addr, &addrlen));
1939 if (!is_error(ret)) {
1940 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1941 if (put_user_u32(addrlen, target_addrlen_addr))
1942 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1943 }
1944 return ret;
1945}
1946
0da46a6e 1947/* do_getsockname() Must return target values and target errnos. */
992f48a0 1948static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1949 abi_ulong target_addrlen_addr)
1be9e1dc 1950{
2f619698
FB		 1951 socklen_t addrlen;
1952 void *addr;
992f48a0 1953 abi_long ret;
1be9e1dc 1954
2f619698
FB		 1955 if (get_user_u32(addrlen, target_addrlen_addr))
1956 return -TARGET_EFAULT;
1957
38724253 1958 if ((int)addrlen < 0) {
8f7aeaf6 1959 return -TARGET_EINVAL;
38724253 1960 }
8f7aeaf6 1961
917507b0
AP		 1962 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1963 return -TARGET_EFAULT;
1964
2f619698
FB		 1965 addr = alloca(addrlen);
1966
1be9e1dc
PB		 1967 ret = get_errno(getsockname(fd, addr, &addrlen));
1968 if (!is_error(ret)) {
1969 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1970 if (put_user_u32(addrlen, target_addrlen_addr))
1971 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1972 }
1973 return ret;
1974}
1975
0da46a6e 1976/* do_socketpair() Must return target values and target errnos. */
992f48a0 1977static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1978 abi_ulong target_tab_addr)
1be9e1dc
PB		 1979{
1980 int tab[2];
992f48a0 1981 abi_long ret;
1be9e1dc
PB		 1982
1983 ret = get_errno(socketpair(domain, type, protocol, tab));
1984 if (!is_error(ret)) {
2f619698
FB		 1985 if (put_user_s32(tab[0], target_tab_addr)
1986 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1987 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1988 }
1989 return ret;
1990}
1991
0da46a6e 1992/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1993static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1994 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1995{
1996 void *addr;
1997 void *host_msg;
992f48a0 1998 abi_long ret;
1be9e1dc 1999
38724253 2000 if ((int)addrlen < 0) {
8f7aeaf6 2001 return -TARGET_EINVAL;
38724253 2002 }
8f7aeaf6 2003
579a97f7
FB		 2004 host_msg = lock_user(VERIFY_READ, msg, len, 1);
2005 if (!host_msg)
2006 return -TARGET_EFAULT;
1be9e1dc
PB		 2007 if (target_addr) {
2008 addr = alloca(addrlen);
917507b0
AP		 2009 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2010 if (ret) {
2011 unlock_user(host_msg, msg, 0);
2012 return ret;
2013 }
1be9e1dc
PB		 2014 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
2015 } else {
2016 ret = get_errno(send(fd, host_msg, len, flags));
2017 }
2018 unlock_user(host_msg, msg, 0);
2019 return ret;
2020}
2021
0da46a6e 2022/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 2023static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
2024 abi_ulong target_addr,
2025 abi_ulong target_addrlen)
1be9e1dc
PB		 2026{
2027 socklen_t addrlen;
2028 void *addr;
2029 void *host_msg;
992f48a0 2030 abi_long ret;
1be9e1dc 2031
579a97f7
FB		 2032 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
2033 if (!host_msg)
2034 return -TARGET_EFAULT;
1be9e1dc 2035 if (target_addr) {
2f619698
FB		 2036 if (get_user_u32(addrlen, target_addrlen)) {
2037 ret = -TARGET_EFAULT;
2038 goto fail;
2039 }
38724253 2040 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 2041 ret = -TARGET_EINVAL;
2042 goto fail;
2043 }
1be9e1dc
PB		 2044 addr = alloca(addrlen);
2045 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
2046 } else {
2047 addr = NULL; /* To keep compiler quiet. */
00aa0040 2048 ret = get_errno(qemu_recv(fd, host_msg, len, flags));
1be9e1dc
PB		 2049 }
2050 if (!is_error(ret)) {
2051 if (target_addr) {
2052 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2053 if (put_user_u32(addrlen, target_addrlen)) {
2054 ret = -TARGET_EFAULT;
2055 goto fail;
2056 }
1be9e1dc
PB		 2057 }
2058 unlock_user(host_msg, msg, len);
2059 } else {
2f619698 2060fail:
1be9e1dc
PB		 2061 unlock_user(host_msg, msg, 0);
2062 }
2063 return ret;
2064}
2065
32407103 2066#ifdef TARGET_NR_socketcall
0da46a6e 2067/* do_socketcall() Must return target values and target errnos. */
992f48a0 2068static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 2069{
992f48a0
BS		 2070 abi_long ret;
2071 const int n = sizeof(abi_ulong);
31e31b8a
FB		 2072
2073 switch(num) {
2074 case SOCKOP_socket:
7854b056 2075 {
98818189 2076 abi_ulong domain, type, protocol;
2f619698 2077
98818189
UH		 2078 if (get_user_ual(domain, vptr)
2079 || get_user_ual(type, vptr + n)
2080 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 2081 return -TARGET_EFAULT;
2082
3532fa74 2083 ret = do_socket(domain, type, protocol);
7854b056 2084 }
31e31b8a
FB		 2085 break;
2086 case SOCKOP_bind:
7854b056 2087 {
98818189 2088 abi_ulong sockfd;
2f619698
FB		 2089 abi_ulong target_addr;
2090 socklen_t addrlen;
2091
98818189 2092 if (get_user_ual(sockfd, vptr)
2f619698 2093 || get_user_ual(target_addr, vptr + n)
98818189 2094 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 2095 return -TARGET_EFAULT;
2096
3532fa74 2097 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 2098 }
31e31b8a
FB		 2099 break;
2100 case SOCKOP_connect:
7854b056 2101 {
98818189 2102 abi_ulong sockfd;
2f619698
FB		 2103 abi_ulong target_addr;
2104 socklen_t addrlen;
2105
98818189 2106 if (get_user_ual(sockfd, vptr)
2f619698 2107 || get_user_ual(target_addr, vptr + n)
98818189 2108 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 2109 return -TARGET_EFAULT;
2110
3532fa74 2111 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 2112 }
31e31b8a
FB		 2113 break;
2114 case SOCKOP_listen:
7854b056 2115 {
98818189 2116 abi_ulong sockfd, backlog;
2f619698 2117
98818189
UH		 2118 if (get_user_ual(sockfd, vptr)
2119 || get_user_ual(backlog, vptr + n))
2f619698
FB		 2120 return -TARGET_EFAULT;
2121
7854b056
FB		 2122 ret = get_errno(listen(sockfd, backlog));
2123 }
31e31b8a
FB		 2124 break;
2125 case SOCKOP_accept:
2126 {
98818189 2127 abi_ulong sockfd;
2f619698
FB		 2128 abi_ulong target_addr, target_addrlen;
2129
98818189 2130 if (get_user_ual(sockfd, vptr)
2f619698 2131 || get_user_ual(target_addr, vptr + n)
98818189 2132 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2133 return -TARGET_EFAULT;
2134
1be9e1dc 2135 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2136 }
2137 break;
2138 case SOCKOP_getsockname:
2139 {
98818189 2140 abi_ulong sockfd;
2f619698
FB		 2141 abi_ulong target_addr, target_addrlen;
2142
98818189 2143 if (get_user_ual(sockfd, vptr)
2f619698 2144 || get_user_ual(target_addr, vptr + n)
98818189 2145 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2146 return -TARGET_EFAULT;
2147
1be9e1dc 2148 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2149 }
2150 break;
2151 case SOCKOP_getpeername:
2152 {
98818189 2153 abi_ulong sockfd;
2f619698
FB		 2154 abi_ulong target_addr, target_addrlen;
2155
98818189 2156 if (get_user_ual(sockfd, vptr)
2f619698 2157 || get_user_ual(target_addr, vptr + n)
98818189 2158 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2159 return -TARGET_EFAULT;
2160
1be9e1dc 2161 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2162 }
2163 break;
2164 case SOCKOP_socketpair:
2165 {
98818189 2166 abi_ulong domain, type, protocol;
2f619698
FB		 2167 abi_ulong tab;
2168
98818189
UH		 2169 if (get_user_ual(domain, vptr)
2170 || get_user_ual(type, vptr + n)
2171 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 2172 || get_user_ual(tab, vptr + 3 * n))
2173 return -TARGET_EFAULT;
2174
1be9e1dc 2175 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 2176 }
2177 break;
2178 case SOCKOP_send:
7854b056 2179 {
98818189 2180 abi_ulong sockfd;
2f619698
FB		 2181 abi_ulong msg;
2182 size_t len;
98818189 2183 abi_ulong flags;
2f619698 2184
98818189 2185 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2186 || get_user_ual(msg, vptr + n)
2187 || get_user_ual(len, vptr + 2 * n)
98818189 2188 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2189 return -TARGET_EFAULT;
2190
1be9e1dc 2191 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 2192 }
31e31b8a
FB		 2193 break;
2194 case SOCKOP_recv:
7854b056 2195 {
98818189 2196 abi_ulong sockfd;
2f619698
FB		 2197 abi_ulong msg;
2198 size_t len;
98818189 2199 abi_ulong flags;
2f619698 2200
98818189 2201 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2202 || get_user_ual(msg, vptr + n)
2203 || get_user_ual(len, vptr + 2 * n)
98818189 2204 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2205 return -TARGET_EFAULT;
2206
1be9e1dc 2207 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 2208 }
31e31b8a
FB		 2209 break;
2210 case SOCKOP_sendto:
7854b056 2211 {
98818189 2212 abi_ulong sockfd;
2f619698
FB		 2213 abi_ulong msg;
2214 size_t len;
98818189 2215 abi_ulong flags;
2f619698
FB		 2216 abi_ulong addr;
2217 socklen_t addrlen;
2218
98818189 2219 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2220 || get_user_ual(msg, vptr + n)
2221 || get_user_ual(len, vptr + 2 * n)
98818189 2222 || get_user_ual(flags, vptr + 3 * n)
2f619698 2223 || get_user_ual(addr, vptr + 4 * n)
98818189 2224 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2225 return -TARGET_EFAULT;
2226
1be9e1dc 2227 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 2228 }
31e31b8a
FB		 2229 break;
2230 case SOCKOP_recvfrom:
2231 {
98818189 2232 abi_ulong sockfd;
2f619698
FB		 2233 abi_ulong msg;
2234 size_t len;
98818189 2235 abi_ulong flags;
2f619698
FB		 2236 abi_ulong addr;
2237 socklen_t addrlen;
2238
98818189 2239 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2240 || get_user_ual(msg, vptr + n)
2241 || get_user_ual(len, vptr + 2 * n)
98818189 2242 || get_user_ual(flags, vptr + 3 * n)
2f619698 2243 || get_user_ual(addr, vptr + 4 * n)
98818189 2244 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2245 return -TARGET_EFAULT;
2246
1be9e1dc 2247 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 2248 }
2249 break;
2250 case SOCKOP_shutdown:
7854b056 2251 {
98818189 2252 abi_ulong sockfd, how;
2f619698 2253
98818189
UH		 2254 if (get_user_ual(sockfd, vptr)
2255 || get_user_ual(how, vptr + n))
2f619698 2256 return -TARGET_EFAULT;
7854b056
FB		 2257
2258 ret = get_errno(shutdown(sockfd, how));
2259 }
31e31b8a
FB		 2260 break;
2261 case SOCKOP_sendmsg:
2262 case SOCKOP_recvmsg:
1a9353d2 2263 {
98818189 2264 abi_ulong fd;
992f48a0 2265 abi_ulong target_msg;
98818189 2266 abi_ulong flags;
1a9353d2 2267
98818189 2268 if (get_user_ual(fd, vptr)
2f619698 2269 || get_user_ual(target_msg, vptr + n)
98818189 2270 || get_user_ual(flags, vptr + 2 * n))
2f619698 2271 return -TARGET_EFAULT;
3532fa74 2272
5fafdf24 2273 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 2274 (num == SOCKOP_sendmsg));
1a9353d2
FB		 2275 }
2276 break;
31e31b8a 2277 case SOCKOP_setsockopt:
7854b056 2278 {
98818189
UH		 2279 abi_ulong sockfd;
2280 abi_ulong level;
2281 abi_ulong optname;
2f619698
FB		 2282 abi_ulong optval;
2283 socklen_t optlen;
2284
98818189
UH		 2285 if (get_user_ual(sockfd, vptr)
2286 || get_user_ual(level, vptr + n)
2287 || get_user_ual(optname, vptr + 2 * n)
2f619698 2288 || get_user_ual(optval, vptr + 3 * n)
98818189 2289 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2290 return -TARGET_EFAULT;
7854b056
FB		 2291
2292 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2293 }
2294 break;
31e31b8a 2295 case SOCKOP_getsockopt:
7854b056 2296 {
98818189
UH		 2297 abi_ulong sockfd;
2298 abi_ulong level;
2299 abi_ulong optname;
2f619698
FB		 2300 abi_ulong optval;
2301 socklen_t optlen;
2302
98818189
UH		 2303 if (get_user_ual(sockfd, vptr)
2304 || get_user_ual(level, vptr + n)
2305 || get_user_ual(optname, vptr + 2 * n)
2f619698 2306 || get_user_ual(optval, vptr + 3 * n)
98818189 2307 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2308 return -TARGET_EFAULT;
7854b056 2309
2f619698 2310 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2311 }
2312 break;
31e31b8a
FB		 2313 default:
2314 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2315 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2316 break;
2317 }
2318 return ret;
2319}
32407103 2320#endif
31e31b8a 2321
8853f86e
FB		 2322#define N_SHM_REGIONS 32
2323
2324static struct shm_region {
5a4a898d
FB		 2325 abi_ulong start;
2326 abi_ulong size;
8853f86e
FB		 2327} shm_regions[N_SHM_REGIONS];
2328
3eb6b044
TS		 2329struct target_ipc_perm
2330{
992f48a0
BS		 2331 abi_long __key;
2332 abi_ulong uid;
2333 abi_ulong gid;
2334 abi_ulong cuid;
2335 abi_ulong cgid;
3eb6b044
TS		 2336 unsigned short int mode;
2337 unsigned short int __pad1;
2338 unsigned short int __seq;
2339 unsigned short int __pad2;
992f48a0
BS		 2340 abi_ulong __unused1;
2341 abi_ulong __unused2;
3eb6b044
TS		 2342};
2343
2344struct target_semid_ds
2345{
2346 struct target_ipc_perm sem_perm;
992f48a0
BS		 2347 abi_ulong sem_otime;
2348 abi_ulong __unused1;
2349 abi_ulong sem_ctime;
2350 abi_ulong __unused2;
2351 abi_ulong sem_nsems;
2352 abi_ulong __unused3;
2353 abi_ulong __unused4;
3eb6b044
TS		 2354};
2355
579a97f7
FB		 2356static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2357 abi_ulong target_addr)
3eb6b044
TS		 2358{
2359 struct target_ipc_perm *target_ip;
2360 struct target_semid_ds *target_sd;
2361
579a97f7
FB		 2362 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2363 return -TARGET_EFAULT;
e8bbe36c 2364 target_ip = &(target_sd->sem_perm);
cbb21eed
MB		 2365 host_ip->__key = tswapal(target_ip->__key);
2366 host_ip->uid = tswapal(target_ip->uid);
2367 host_ip->gid = tswapal(target_ip->gid);
2368 host_ip->cuid = tswapal(target_ip->cuid);
2369 host_ip->cgid = tswapal(target_ip->cgid);
2370 host_ip->mode = tswap16(target_ip->mode);
3eb6b044 2371 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2372 return 0;
3eb6b044
TS		 2373}
2374
579a97f7
FB		 2375static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2376 struct ipc_perm *host_ip)
3eb6b044
TS		 2377{
2378 struct target_ipc_perm *target_ip;
2379 struct target_semid_ds *target_sd;
2380
579a97f7
FB		 2381 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2382 return -TARGET_EFAULT;
3eb6b044 2383 target_ip = &(target_sd->sem_perm);
cbb21eed
MB		 2384 target_ip->__key = tswapal(host_ip->__key);
2385 target_ip->uid = tswapal(host_ip->uid);
2386 target_ip->gid = tswapal(host_ip->gid);
2387 target_ip->cuid = tswapal(host_ip->cuid);
2388 target_ip->cgid = tswapal(host_ip->cgid);
2389 target_ip->mode = tswap16(host_ip->mode);
3eb6b044 2390 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2391 return 0;
3eb6b044
TS		 2392}
2393
579a97f7
FB		 2394static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2395 abi_ulong target_addr)
3eb6b044
TS		 2396{
2397 struct target_semid_ds *target_sd;
2398
579a97f7
FB		 2399 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2400 return -TARGET_EFAULT;
e5289087
AJ		 2401 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2402 return -TARGET_EFAULT;
cbb21eed
MB		 2403 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
2404 host_sd->sem_otime = tswapal(target_sd->sem_otime);
2405 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3eb6b044 2406 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2407 return 0;
3eb6b044
TS		 2408}
2409
579a97f7
FB		 2410static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2411 struct semid_ds *host_sd)
3eb6b044
TS		 2412{
2413 struct target_semid_ds *target_sd;
2414
579a97f7
FB		 2415 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2416 return -TARGET_EFAULT;
e5289087 2417 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3a93113a 2418 return -TARGET_EFAULT;
cbb21eed
MB		 2419 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
2420 target_sd->sem_otime = tswapal(host_sd->sem_otime);
2421 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3eb6b044 2422 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2423 return 0;
3eb6b044
TS		 2424}
2425
e5289087
AJ		 2426struct target_seminfo {
2427 int semmap;
2428 int semmni;
2429 int semmns;
2430 int semmnu;
2431 int semmsl;
2432 int semopm;
2433 int semume;
2434 int semusz;
2435 int semvmx;
2436 int semaem;
2437};
2438
2439static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2440 struct seminfo *host_seminfo)
2441{
2442 struct target_seminfo *target_seminfo;
2443 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2444 return -TARGET_EFAULT;
2445 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2446 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2447 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2448 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2449 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2450 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2451 __put_user(host_seminfo->semume, &target_seminfo->semume);
2452 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2453 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2454 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2455 unlock_user_struct(target_seminfo, target_addr, 1);
2456 return 0;
2457}
2458
fa294816
TS		 2459union semun {
2460 int val;
3eb6b044 2461 struct semid_ds *buf;
fa294816 2462 unsigned short *array;
e5289087 2463 struct seminfo *__buf;
fa294816
TS		 2464};
2465
3eb6b044
TS		 2466union target_semun {
2467 int val;
e5289087
AJ		 2468 abi_ulong buf;
2469 abi_ulong array;
2470 abi_ulong __buf;
3eb6b044
TS		 2471};
2472
e5289087
AJ		 2473static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2474 abi_ulong target_addr)
3eb6b044 2475{
e5289087
AJ		 2476 int nsems;
2477 unsigned short *array;
2478 union semun semun;
2479 struct semid_ds semid_ds;
2480 int i, ret;
3eb6b044 2481
e5289087
AJ		 2482 semun.buf = &semid_ds;
2483
2484 ret = semctl(semid, 0, IPC_STAT, semun);
2485 if (ret == -1)
2486 return get_errno(ret);
2487
2488 nsems = semid_ds.sem_nsems;
2489
2490 *host_array = malloc(nsems*sizeof(unsigned short));
2491 array = lock_user(VERIFY_READ, target_addr,
2492 nsems*sizeof(unsigned short), 1);
2493 if (!array)
2494 return -TARGET_EFAULT;
2495
2496 for(i=0; i<nsems; i++) {
2497 __get_user((*host_array)[i], &array[i]);
3eb6b044 2498 }
e5289087
AJ		 2499 unlock_user(array, target_addr, 0);
2500
579a97f7 2501 return 0;
3eb6b044
TS		 2502}
2503
e5289087
AJ		 2504static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2505 unsigned short **host_array)
3eb6b044 2506{
e5289087
AJ		 2507 int nsems;
2508 unsigned short *array;
2509 union semun semun;
2510 struct semid_ds semid_ds;
2511 int i, ret;
3eb6b044 2512
e5289087
AJ		 2513 semun.buf = &semid_ds;
2514
2515 ret = semctl(semid, 0, IPC_STAT, semun);
2516 if (ret == -1)
2517 return get_errno(ret);
2518
2519 nsems = semid_ds.sem_nsems;
2520
2521 array = lock_user(VERIFY_WRITE, target_addr,
2522 nsems*sizeof(unsigned short), 0);
2523 if (!array)
2524 return -TARGET_EFAULT;
2525
2526 for(i=0; i<nsems; i++) {
2527 __put_user((*host_array)[i], &array[i]);
3eb6b044 2528 }
e5289087
AJ		 2529 free(*host_array);
2530 unlock_user(array, target_addr, 1);
2531
579a97f7 2532 return 0;
3eb6b044
TS		 2533}
2534
e5289087
AJ		 2535static inline abi_long do_semctl(int semid, int semnum, int cmd,
2536 union target_semun target_su)
3eb6b044
TS		 2537{
2538 union semun arg;
2539 struct semid_ds dsarg;
7b8118e8 2540 unsigned short *array = NULL;
e5289087
AJ		 2541 struct seminfo seminfo;
2542 abi_long ret = -TARGET_EINVAL;
2543 abi_long err;
2544 cmd &= 0xff;
3eb6b044
TS		 2545
2546 switch( cmd ) {
2547 case GETVAL:
3eb6b044 2548 case SETVAL:
cbb21eed 2549 arg.val = tswap32(target_su.val);
e5289087 2550 ret = get_errno(semctl(semid, semnum, cmd, arg));
cbb21eed 2551 target_su.val = tswap32(arg.val);
3eb6b044
TS		 2552 break;
2553 case GETALL:
3eb6b044 2554 case SETALL:
e5289087
AJ		 2555 err = target_to_host_semarray(semid, &array, target_su.array);
2556 if (err)
2557 return err;
2558 arg.array = array;
2559 ret = get_errno(semctl(semid, semnum, cmd, arg));
2560 err = host_to_target_semarray(semid, target_su.array, &array);
2561 if (err)
2562 return err;
3eb6b044
TS		 2563 break;
2564 case IPC_STAT:
3eb6b044 2565 case IPC_SET:
e5289087
AJ		 2566 case SEM_STAT:
2567 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2568 if (err)
2569 return err;
2570 arg.buf = &dsarg;
2571 ret = get_errno(semctl(semid, semnum, cmd, arg));
2572 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2573 if (err)
2574 return err;
2575 break;
2576 case IPC_INFO:
2577 case SEM_INFO:
2578 arg.__buf = &seminfo;
2579 ret = get_errno(semctl(semid, semnum, cmd, arg));
2580 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2581 if (err)
2582 return err;
2583 break;
2584 case IPC_RMID:
2585 case GETPID:
2586 case GETNCNT:
2587 case GETZCNT:
2588 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2589 break;
3eb6b044
TS		 2590 }
2591
2592 return ret;
2593}
2594
e5289087
AJ		 2595struct target_sembuf {
2596 unsigned short sem_num;
2597 short sem_op;
2598 short sem_flg;
2599};
2600
2601static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2602 abi_ulong target_addr,
2603 unsigned nsops)
2604{
2605 struct target_sembuf *target_sembuf;
2606 int i;
2607
2608 target_sembuf = lock_user(VERIFY_READ, target_addr,
2609 nsops*sizeof(struct target_sembuf), 1);
2610 if (!target_sembuf)
2611 return -TARGET_EFAULT;
2612
2613 for(i=0; i<nsops; i++) {
2614 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2615 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2616 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2617 }
2618
2619 unlock_user(target_sembuf, target_addr, 0);
2620
2621 return 0;
2622}
2623
2624static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2625{
2626 struct sembuf sops[nsops];
2627
2628 if (target_to_host_sembuf(sops, ptr, nsops))
2629 return -TARGET_EFAULT;
2630
2631 return semop(semid, sops, nsops);
2632}
2633
1bc012f6
TS		 2634struct target_msqid_ds
2635{
1c54ff97
AJ		 2636 struct target_ipc_perm msg_perm;
2637 abi_ulong msg_stime;
2638#if TARGET_ABI_BITS == 32
2639 abi_ulong __unused1;
2640#endif
2641 abi_ulong msg_rtime;
2642#if TARGET_ABI_BITS == 32
2643 abi_ulong __unused2;
2644#endif
2645 abi_ulong msg_ctime;
2646#if TARGET_ABI_BITS == 32
2647 abi_ulong __unused3;
2648#endif
2649 abi_ulong __msg_cbytes;
2650 abi_ulong msg_qnum;
2651 abi_ulong msg_qbytes;
2652 abi_ulong msg_lspid;
2653 abi_ulong msg_lrpid;
2654 abi_ulong __unused4;
2655 abi_ulong __unused5;
1bc012f6
TS		 2656};
2657
579a97f7
FB		 2658static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2659 abi_ulong target_addr)
1bc012f6
TS		 2660{
2661 struct target_msqid_ds *target_md;
2662
579a97f7
FB		 2663 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2664 return -TARGET_EFAULT;
1c54ff97
AJ		 2665 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2666 return -TARGET_EFAULT;
cbb21eed
MB		 2667 host_md->msg_stime = tswapal(target_md->msg_stime);
2668 host_md->msg_rtime = tswapal(target_md->msg_rtime);
2669 host_md->msg_ctime = tswapal(target_md->msg_ctime);
2670 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
2671 host_md->msg_qnum = tswapal(target_md->msg_qnum);
2672 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
2673 host_md->msg_lspid = tswapal(target_md->msg_lspid);
2674 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
1bc012f6 2675 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2676 return 0;
1bc012f6
TS		 2677}
2678
579a97f7
FB		 2679static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2680 struct msqid_ds *host_md)
1bc012f6
TS		 2681{
2682 struct target_msqid_ds *target_md;
2683
579a97f7
FB		 2684 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2685 return -TARGET_EFAULT;
1c54ff97
AJ		 2686 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2687 return -TARGET_EFAULT;
cbb21eed
MB		 2688 target_md->msg_stime = tswapal(host_md->msg_stime);
2689 target_md->msg_rtime = tswapal(host_md->msg_rtime);
2690 target_md->msg_ctime = tswapal(host_md->msg_ctime);
2691 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
2692 target_md->msg_qnum = tswapal(host_md->msg_qnum);
2693 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
2694 target_md->msg_lspid = tswapal(host_md->msg_lspid);
2695 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
1bc012f6 2696 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2697 return 0;
1bc012f6
TS		 2698}
2699
1c54ff97
AJ		 2700struct target_msginfo {
2701 int msgpool;
2702 int msgmap;
2703 int msgmax;
2704 int msgmnb;
2705 int msgmni;
2706 int msgssz;
2707 int msgtql;
2708 unsigned short int msgseg;
2709};
2710
2711static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2712 struct msginfo *host_msginfo)
2713{
2714 struct target_msginfo *target_msginfo;
2715 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2716 return -TARGET_EFAULT;
2717 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2718 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2719 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2720 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2721 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2722 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2723 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2724 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2725 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2726 return 0;
1c54ff97
AJ		 2727}
2728
2729static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2730{
2731 struct msqid_ds dsarg;
1c54ff97
AJ		 2732 struct msginfo msginfo;
2733 abi_long ret = -TARGET_EINVAL;
2734
2735 cmd &= 0xff;
2736
2737 switch (cmd) {
1bc012f6
TS		 2738 case IPC_STAT:
2739 case IPC_SET:
1c54ff97
AJ		 2740 case MSG_STAT:
2741 if (target_to_host_msqid_ds(&dsarg,ptr))
2742 return -TARGET_EFAULT;
2743 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2744 if (host_to_target_msqid_ds(ptr,&dsarg))
2745 return -TARGET_EFAULT;
2746 break;
2747 case IPC_RMID:
2748 ret = get_errno(msgctl(msgid, cmd, NULL));
2749 break;
2750 case IPC_INFO:
2751 case MSG_INFO:
2752 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2753 if (host_to_target_msginfo(ptr, &msginfo))
2754 return -TARGET_EFAULT;
2755 break;
1bc012f6 2756 }
1c54ff97 2757
1bc012f6
TS		 2758 return ret;
2759}
2760
2761struct target_msgbuf {
1c54ff97
AJ		 2762 abi_long mtype;
2763 char mtext[1];
1bc012f6
TS		 2764};
2765
992f48a0
BS		 2766static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2767 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2768{
2769 struct target_msgbuf *target_mb;
2770 struct msgbuf *host_mb;
992f48a0 2771 abi_long ret = 0;
1bc012f6 2772
579a97f7
FB		 2773 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2774 return -TARGET_EFAULT;
1bc012f6 2775 host_mb = malloc(msgsz+sizeof(long));
cbb21eed 2776 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
1c54ff97 2777 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2778 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2779 free(host_mb);
2780 unlock_user_struct(target_mb, msgp, 0);
2781
2782 return ret;
2783}
2784
992f48a0 2785static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2786 unsigned int msgsz, abi_long msgtyp,
992f48a0 2787 int msgflg)
1bc012f6
TS		 2788{
2789 struct target_msgbuf *target_mb;
579a97f7 2790 char *target_mtext;
1bc012f6 2791 struct msgbuf *host_mb;
992f48a0 2792 abi_long ret = 0;
1bc012f6 2793
579a97f7
FB		 2794 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2795 return -TARGET_EFAULT;
1c54ff97 2796
1bc012f6 2797 host_mb = malloc(msgsz+sizeof(long));
cbb21eed 2798 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapal(msgtyp), msgflg));
1c54ff97 2799
579a97f7
FB		 2800 if (ret > 0) {
2801 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2802 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2803 if (!target_mtext) {
2804 ret = -TARGET_EFAULT;
2805 goto end;
2806 }
1c54ff97 2807 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2808 unlock_user(target_mtext, target_mtext_addr, ret);
2809 }
1c54ff97 2810
cbb21eed 2811 target_mb->mtype = tswapal(host_mb->mtype);
1bc012f6 2812 free(host_mb);
1bc012f6 2813
579a97f7
FB		 2814end:
2815 if (target_mb)
2816 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2817 return ret;
2818}
2819
88a8c984
RV		 2820struct target_shmid_ds
2821{
2822 struct target_ipc_perm shm_perm;
2823 abi_ulong shm_segsz;
2824 abi_ulong shm_atime;
2825#if TARGET_ABI_BITS == 32
2826 abi_ulong __unused1;
2827#endif
2828 abi_ulong shm_dtime;
2829#if TARGET_ABI_BITS == 32
2830 abi_ulong __unused2;
2831#endif
2832 abi_ulong shm_ctime;
2833#if TARGET_ABI_BITS == 32
2834 abi_ulong __unused3;
2835#endif
2836 int shm_cpid;
2837 int shm_lpid;
2838 abi_ulong shm_nattch;
2839 unsigned long int __unused4;
2840 unsigned long int __unused5;
2841};
2842
2843static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2844 abi_ulong target_addr)
2845{
2846 struct target_shmid_ds *target_sd;
2847
2848 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2849 return -TARGET_EFAULT;
2850 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2851 return -TARGET_EFAULT;
2852 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2853 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2854 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2855 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2856 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2857 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2858 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2859 unlock_user_struct(target_sd, target_addr, 0);
2860 return 0;
2861}
2862
2863static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2864 struct shmid_ds *host_sd)
2865{
2866 struct target_shmid_ds *target_sd;
2867
2868 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2869 return -TARGET_EFAULT;
2870 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2871 return -TARGET_EFAULT;
2872 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2873 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2874 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2875 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2876 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2877 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2878 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2879 unlock_user_struct(target_sd, target_addr, 1);
2880 return 0;
2881}
2882
2883struct target_shminfo {
2884 abi_ulong shmmax;
2885 abi_ulong shmmin;
2886 abi_ulong shmmni;
2887 abi_ulong shmseg;
2888 abi_ulong shmall;
2889};
2890
2891static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2892 struct shminfo *host_shminfo)
2893{
2894 struct target_shminfo *target_shminfo;
2895 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2896 return -TARGET_EFAULT;
2897 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2898 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2899 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2900 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2901 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2902 unlock_user_struct(target_shminfo, target_addr, 1);
2903 return 0;
2904}
2905
2906struct target_shm_info {
2907 int used_ids;
2908 abi_ulong shm_tot;
2909 abi_ulong shm_rss;
2910 abi_ulong shm_swp;
2911 abi_ulong swap_attempts;
2912 abi_ulong swap_successes;
2913};
2914
2915static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2916 struct shm_info *host_shm_info)
2917{
2918 struct target_shm_info *target_shm_info;
2919 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2920 return -TARGET_EFAULT;
2921 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2922 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2923 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2924 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2925 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2926 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2927 unlock_user_struct(target_shm_info, target_addr, 1);
2928 return 0;
2929}
2930
2931static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2932{
2933 struct shmid_ds dsarg;
2934 struct shminfo shminfo;
2935 struct shm_info shm_info;
2936 abi_long ret = -TARGET_EINVAL;
2937
2938 cmd &= 0xff;
2939
2940 switch(cmd) {
2941 case IPC_STAT:
2942 case IPC_SET:
2943 case SHM_STAT:
2944 if (target_to_host_shmid_ds(&dsarg, buf))
2945 return -TARGET_EFAULT;
2946 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2947 if (host_to_target_shmid_ds(buf, &dsarg))
2948 return -TARGET_EFAULT;
2949 break;
2950 case IPC_INFO:
2951 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2952 if (host_to_target_shminfo(buf, &shminfo))
2953 return -TARGET_EFAULT;
2954 break;
2955 case SHM_INFO:
2956 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2957 if (host_to_target_shm_info(buf, &shm_info))
2958 return -TARGET_EFAULT;
2959 break;
2960 case IPC_RMID:
2961 case SHM_LOCK:
2962 case SHM_UNLOCK:
2963 ret = get_errno(shmctl(shmid, cmd, NULL));
2964 break;
2965 }
2966
2967 return ret;
2968}
2969
2970static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2971{
2972 abi_long raddr;
2973 void *host_raddr;
2974 struct shmid_ds shm_info;
2975 int i,ret;
2976
2977 /* find out the length of the shared memory segment */
2978 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2979 if (is_error(ret)) {
2980 /* can't get length, bail out */
2981 return ret;
2982 }
2983
2984 mmap_lock();
2985
2986 if (shmaddr)
2987 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2988 else {
2989 abi_ulong mmap_start;
2990
2991 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2992
2993 if (mmap_start == -1) {
2994 errno = ENOMEM;
2995 host_raddr = (void *)-1;
2996 } else
2997 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2998 }
2999
3000 if (host_raddr == (void *)-1) {
3001 mmap_unlock();
3002 return get_errno((long)host_raddr);
3003 }
3004 raddr=h2g((unsigned long)host_raddr);
3005
3006 page_set_flags(raddr, raddr + shm_info.shm_segsz,
3007 PAGE_VALID | PAGE_READ |
3008 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
3009
3010 for (i = 0; i < N_SHM_REGIONS; i++) {
3011 if (shm_regions[i].start == 0) {
3012 shm_regions[i].start = raddr;
3013 shm_regions[i].size = shm_info.shm_segsz;
3014 break;
3015 }
3016 }
3017
3018 mmap_unlock();
3019 return raddr;
3020
3021}
3022
3023static inline abi_long do_shmdt(abi_ulong shmaddr)
3024{
3025 int i;
3026
3027 for (i = 0; i < N_SHM_REGIONS; ++i) {
3028 if (shm_regions[i].start == shmaddr) {
3029 shm_regions[i].start = 0;
e00ac249 3030 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 3031 break;
3032 }
3033 }
3034
3035 return get_errno(shmdt(g2h(shmaddr)));
3036}
3037
1c54ff97 3038#ifdef TARGET_NR_ipc
53a5960a 3039/* ??? This only works with linear mappings. */
0da46a6e 3040/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 3041static abi_long do_ipc(unsigned int call, int first,
3042 int second, int third,
3043 abi_long ptr, abi_long fifth)
8853f86e
FB		 3044{
3045 int version;
992f48a0 3046 abi_long ret = 0;
8853f86e
FB		 3047
3048 version = call >> 16;
3049 call &= 0xffff;
3050
3051 switch (call) {
fa294816 3052 case IPCOP_semop:
e5289087 3053 ret = do_semop(first, ptr, second);
fa294816
TS		 3054 break;
3055
3056 case IPCOP_semget:
3057 ret = get_errno(semget(first, second, third));
3058 break;
3059
3060 case IPCOP_semctl:
e5289087 3061 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 3062 break;
d96372ef 3063
1c54ff97
AJ		 3064 case IPCOP_msgget:
3065 ret = get_errno(msgget(first, second));
3066 break;
d96372ef 3067
1c54ff97
AJ		 3068 case IPCOP_msgsnd:
3069 ret = do_msgsnd(first, ptr, second, third);
3070 break;
d96372ef 3071
1c54ff97
AJ		 3072 case IPCOP_msgctl:
3073 ret = do_msgctl(first, second, ptr);
3074 break;
d96372ef 3075
1c54ff97
AJ		 3076 case IPCOP_msgrcv:
3077 switch (version) {
3078 case 0:
3079 {
3080 struct target_ipc_kludge {
3081 abi_long msgp;
3082 abi_long msgtyp;
3083 } *tmp;
3084
3085 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
3086 ret = -TARGET_EFAULT;
3087 break;
3088 }
d96372ef 3089
1c54ff97 3090 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 3091
1c54ff97
AJ		 3092 unlock_user_struct(tmp, ptr, 0);
3093 break;
3094 }
3095 default:
3096 ret = do_msgrcv(first, ptr, second, fifth, third);
3097 }
3098 break;
d96372ef 3099
8853f86e 3100 case IPCOP_shmat:
88a8c984
RV		 3101 switch (version) {
3102 default:
5a4a898d
FB		 3103 {
3104 abi_ulong raddr;
88a8c984
RV		 3105 raddr = do_shmat(first, ptr, second);
3106 if (is_error(raddr))
3107 return get_errno(raddr);
2f619698 3108 if (put_user_ual(raddr, third))
5a4a898d 3109 return -TARGET_EFAULT;
88a8c984
RV		 3110 break;
3111 }
3112 case 1:
3113 ret = -TARGET_EINVAL;
3114 break;
5a4a898d 3115 }
8853f86e
FB		 3116 break;
3117 case IPCOP_shmdt:
88a8c984 3118 ret = do_shmdt(ptr);
8853f86e
FB		 3119 break;
3120
3121 case IPCOP_shmget:
3122 /* IPC_* flag values are the same on all linux platforms */
3123 ret = get_errno(shmget(first, second, third));
3124 break;
3125
3126 /* IPC_* and SHM_* command values are the same on all linux platforms */
3127 case IPCOP_shmctl:
88a8c984 3128 ret = do_shmctl(first, second, third);
8853f86e
FB		 3129 break;
3130 default:
32407103 3131 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 3132 ret = -TARGET_ENOSYS;
8853f86e
FB		 3133 break;
3134 }
3135 return ret;
3136}
32407103 3137#endif
8853f86e 3138
31e31b8a 3139/* kernel structure types definitions */
31e31b8a 3140
001faf32 3141#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 3142#define STRUCT_SPECIAL(name) STRUCT_ ## name,
3143enum {
3144#include "syscall_types.h"
3145};
3146#undef STRUCT
3147#undef STRUCT_SPECIAL
3148
001faf32 3149#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 3150#define STRUCT_SPECIAL(name)
3151#include "syscall_types.h"
3152#undef STRUCT
3153#undef STRUCT_SPECIAL
3154
d2ef05bb
PM		 3155typedef struct IOCTLEntry IOCTLEntry;
3156
3157typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
3158 int fd, abi_long cmd, abi_long arg);
3159
3160struct IOCTLEntry {
2ab83ea7
FB		 3161 unsigned int target_cmd;
3162 unsigned int host_cmd;
31e31b8a
FB		 3163 const char *name;
3164 int access;
d2ef05bb 3165 do_ioctl_fn *do_ioctl;
1a9353d2 3166 const argtype arg_type[5];
d2ef05bb 3167};
31e31b8a
FB		 3168
3169#define IOC_R 0x0001
3170#define IOC_W 0x0002
3171#define IOC_RW (IOC_R | IOC_W)
3172
3173#define MAX_STRUCT_SIZE 4096
3174
dace20dc 3175#ifdef CONFIG_FIEMAP
285da2b9
PM		 3176/* So fiemap access checks don't overflow on 32 bit systems.
3177 * This is very slightly smaller than the limit imposed by
3178 * the underlying kernel.
3179 */
3180#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3181 / sizeof(struct fiemap_extent))
3182
3183static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
3184 int fd, abi_long cmd, abi_long arg)
3185{
3186 /* The parameter for this ioctl is a struct fiemap followed
3187 * by an array of struct fiemap_extent whose size is set
3188 * in fiemap->fm_extent_count. The array is filled in by the
3189 * ioctl.
3190 */
3191 int target_size_in, target_size_out;
3192 struct fiemap *fm;
3193 const argtype *arg_type = ie->arg_type;
3194 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3195 void *argptr, *p;
3196 abi_long ret;
3197 int i, extent_size = thunk_type_size(extent_arg_type, 0);
3198 uint32_t outbufsz;
3199 int free_fm = 0;
3200
3201 assert(arg_type[0] == TYPE_PTR);
3202 assert(ie->access == IOC_RW);
3203 arg_type++;
3204 target_size_in = thunk_type_size(arg_type, 0);
3205 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3206 if (!argptr) {
3207 return -TARGET_EFAULT;
3208 }
3209 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3210 unlock_user(argptr, arg, 0);
3211 fm = (struct fiemap *)buf_temp;
3212 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3213 return -TARGET_EINVAL;
3214 }
3215
3216 outbufsz = sizeof (*fm) +
3217 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3218
3219 if (outbufsz > MAX_STRUCT_SIZE) {
3220 /* We can't fit all the extents into the fixed size buffer.
3221 * Allocate one that is large enough and use it instead.
3222 */
3223 fm = malloc(outbufsz);
3224 if (!fm) {
3225 return -TARGET_ENOMEM;
3226 }
3227 memcpy(fm, buf_temp, sizeof(struct fiemap));
3228 free_fm = 1;
3229 }
3230 ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3231 if (!is_error(ret)) {
3232 target_size_out = target_size_in;
3233 /* An extent_count of 0 means we were only counting the extents
3234 * so there are no structs to copy
3235 */
3236 if (fm->fm_extent_count != 0) {
3237 target_size_out += fm->fm_mapped_extents * extent_size;
3238 }
3239 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3240 if (!argptr) {
3241 ret = -TARGET_EFAULT;
3242 } else {
3243 /* Convert the struct fiemap */
3244 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3245 if (fm->fm_extent_count != 0) {
3246 p = argptr + target_size_in;
3247 /* ...and then all the struct fiemap_extents */
3248 for (i = 0; i < fm->fm_mapped_extents; i++) {
3249 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3250 THUNK_TARGET);
3251 p += extent_size;
3252 }
3253 }
3254 unlock_user(argptr, arg, target_size_out);
3255 }
3256 }
3257 if (free_fm) {
3258 free(fm);
3259 }
3260 return ret;
3261}
dace20dc 3262#endif
285da2b9 3263
059c2f2c
LV		 3264static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
3265 int fd, abi_long cmd, abi_long arg)
3266{
3267 const argtype *arg_type = ie->arg_type;
3268 int target_size;
3269 void *argptr;
3270 int ret;
3271 struct ifconf *host_ifconf;
3272 uint32_t outbufsz;
3273 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
3274 int target_ifreq_size;
3275 int nb_ifreq;
3276 int free_buf = 0;
3277 int i;
3278 int target_ifc_len;
3279 abi_long target_ifc_buf;
3280 int host_ifc_len;
3281 char *host_ifc_buf;
3282
3283 assert(arg_type[0] == TYPE_PTR);
3284 assert(ie->access == IOC_RW);
3285
3286 arg_type++;
3287 target_size = thunk_type_size(arg_type, 0);
3288
3289 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3290 if (!argptr)
3291 return -TARGET_EFAULT;
3292 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3293 unlock_user(argptr, arg, 0);
3294
3295 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
3296 target_ifc_len = host_ifconf->ifc_len;
3297 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
3298
3299 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
3300 nb_ifreq = target_ifc_len / target_ifreq_size;
3301 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
3302
3303 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
3304 if (outbufsz > MAX_STRUCT_SIZE) {
3305 /* We can't fit all the extents into the fixed size buffer.
3306 * Allocate one that is large enough and use it instead.
3307 */
3308 host_ifconf = malloc(outbufsz);
3309 if (!host_ifconf) {
3310 return -TARGET_ENOMEM;
3311 }
3312 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
3313 free_buf = 1;
3314 }
3315 host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
3316
3317 host_ifconf->ifc_len = host_ifc_len;
3318 host_ifconf->ifc_buf = host_ifc_buf;
3319
3320 ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
3321 if (!is_error(ret)) {
3322 /* convert host ifc_len to target ifc_len */
3323
3324 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
3325 target_ifc_len = nb_ifreq * target_ifreq_size;
3326 host_ifconf->ifc_len = target_ifc_len;
3327
3328 /* restore target ifc_buf */
3329
3330 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
3331
3332 /* copy struct ifconf to target user */
3333
3334 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3335 if (!argptr)
3336 return -TARGET_EFAULT;
3337 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
3338 unlock_user(argptr, arg, target_size);
3339
3340 /* copy ifreq[] to target user */
3341
3342 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
3343 for (i = 0; i < nb_ifreq ; i++) {
3344 thunk_convert(argptr + i * target_ifreq_size,
3345 host_ifc_buf + i * sizeof(struct ifreq),
3346 ifreq_arg_type, THUNK_TARGET);
3347 }
3348 unlock_user(argptr, target_ifc_buf, target_ifc_len);
3349 }
3350
3351 if (free_buf) {
3352 free(host_ifconf);
3353 }
3354
3355 return ret;
3356}
3357
56e904ec
AG		 3358static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
3359 abi_long cmd, abi_long arg)
3360{
3361 void *argptr;
3362 struct dm_ioctl *host_dm;
3363 abi_long guest_data;
3364 uint32_t guest_data_size;
3365 int target_size;
3366 const argtype *arg_type = ie->arg_type;
3367 abi_long ret;
3368 void *big_buf = NULL;
3369 char *host_data;
3370
3371 arg_type++;
3372 target_size = thunk_type_size(arg_type, 0);
3373 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3374 if (!argptr) {
3375 ret = -TARGET_EFAULT;
3376 goto out;
3377 }
3378 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3379 unlock_user(argptr, arg, 0);
3380
3381 /* buf_temp is too small, so fetch things into a bigger buffer */
3382 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
3383 memcpy(big_buf, buf_temp, target_size);
3384 buf_temp = big_buf;
3385 host_dm = big_buf;
3386
3387 guest_data = arg + host_dm->data_start;
3388 if ((guest_data - arg) < 0) {
3389 ret = -EINVAL;
3390 goto out;
3391 }
3392 guest_data_size = host_dm->data_size - host_dm->data_start;
3393 host_data = (char*)host_dm + host_dm->data_start;
3394
3395 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
3396 switch (ie->host_cmd) {
3397 case DM_REMOVE_ALL:
3398 case DM_LIST_DEVICES:
3399 case DM_DEV_CREATE:
3400 case DM_DEV_REMOVE:
3401 case DM_DEV_SUSPEND:
3402 case DM_DEV_STATUS:
3403 case DM_DEV_WAIT:
3404 case DM_TABLE_STATUS:
3405 case DM_TABLE_CLEAR:
3406 case DM_TABLE_DEPS:
3407 case DM_LIST_VERSIONS:
3408 /* no input data */
3409 break;
3410 case DM_DEV_RENAME:
3411 case DM_DEV_SET_GEOMETRY:
3412 /* data contains only strings */
3413 memcpy(host_data, argptr, guest_data_size);
3414 break;
3415 case DM_TARGET_MSG:
3416 memcpy(host_data, argptr, guest_data_size);
3417 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
3418 break;
3419 case DM_TABLE_LOAD:
3420 {
3421 void *gspec = argptr;
3422 void *cur_data = host_data;
3423 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3424 int spec_size = thunk_type_size(arg_type, 0);
3425 int i;
3426
3427 for (i = 0; i < host_dm->target_count; i++) {
3428 struct dm_target_spec *spec = cur_data;
3429 uint32_t next;
3430 int slen;
3431
3432 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
3433 slen = strlen((char*)gspec + spec_size) + 1;
3434 next = spec->next;
3435 spec->next = sizeof(*spec) + slen;
3436 strcpy((char*)&spec[1], gspec + spec_size);
3437 gspec += next;
3438 cur_data += spec->next;
3439 }
3440 break;
3441 }
3442 default:
3443 ret = -TARGET_EINVAL;
3444 goto out;
3445 }
3446 unlock_user(argptr, guest_data, 0);
3447
3448 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3449 if (!is_error(ret)) {
3450 guest_data = arg + host_dm->data_start;
3451 guest_data_size = host_dm->data_size - host_dm->data_start;
3452 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
3453 switch (ie->host_cmd) {
3454 case DM_REMOVE_ALL:
3455 case DM_DEV_CREATE:
3456 case DM_DEV_REMOVE:
3457 case DM_DEV_RENAME:
3458 case DM_DEV_SUSPEND:
3459 case DM_DEV_STATUS:
3460 case DM_TABLE_LOAD:
3461 case DM_TABLE_CLEAR:
3462 case DM_TARGET_MSG:
3463 case DM_DEV_SET_GEOMETRY:
3464 /* no return data */
3465 break;
3466 case DM_LIST_DEVICES:
3467 {
3468 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
3469 uint32_t remaining_data = guest_data_size;
3470 void *cur_data = argptr;
3471 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
3472 int nl_size = 12; /* can't use thunk_size due to alignment */
3473
3474 while (1) {
3475 uint32_t next = nl->next;
3476 if (next) {
3477 nl->next = nl_size + (strlen(nl->name) + 1);
3478 }
3479 if (remaining_data < nl->next) {
3480 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3481 break;
3482 }
3483 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
3484 strcpy(cur_data + nl_size, nl->name);
3485 cur_data += nl->next;
3486 remaining_data -= nl->next;
3487 if (!next) {
3488 break;
3489 }
3490 nl = (void*)nl + next;
3491 }
3492 break;
3493 }
3494 case DM_DEV_WAIT:
3495 case DM_TABLE_STATUS:
3496 {
3497 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
3498 void *cur_data = argptr;
3499 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3500 int spec_size = thunk_type_size(arg_type, 0);
3501 int i;
3502
3503 for (i = 0; i < host_dm->target_count; i++) {
3504 uint32_t next = spec->next;
3505 int slen = strlen((char*)&spec[1]) + 1;
3506 spec->next = (cur_data - argptr) + spec_size + slen;
3507 if (guest_data_size < spec->next) {
3508 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3509 break;
3510 }
3511 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
3512 strcpy(cur_data + spec_size, (char*)&spec[1]);
3513 cur_data = argptr + spec->next;
3514 spec = (void*)host_dm + host_dm->data_start + next;
3515 }
3516 break;
3517 }
3518 case DM_TABLE_DEPS:
3519 {
3520 void *hdata = (void*)host_dm + host_dm->data_start;
3521 int count = *(uint32_t*)hdata;
3522 uint64_t *hdev = hdata + 8;
3523 uint64_t *gdev = argptr + 8;
3524 int i;
3525
3526 *(uint32_t*)argptr = tswap32(count);
3527 for (i = 0; i < count; i++) {
3528 *gdev = tswap64(*hdev);
3529 gdev++;
3530 hdev++;
3531 }
3532 break;
3533 }
3534 case DM_LIST_VERSIONS:
3535 {
3536 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
3537 uint32_t remaining_data = guest_data_size;
3538 void *cur_data = argptr;
3539 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
3540 int vers_size = thunk_type_size(arg_type, 0);
3541
3542 while (1) {
3543 uint32_t next = vers->next;
3544 if (next) {
3545 vers->next = vers_size + (strlen(vers->name) + 1);
3546 }
3547 if (remaining_data < vers->next) {
3548 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3549 break;
3550 }
3551 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
3552 strcpy(cur_data + vers_size, vers->name);
3553 cur_data += vers->next;
3554 remaining_data -= vers->next;
3555 if (!next) {
3556 break;
3557 }
3558 vers = (void*)vers + next;
3559 }
3560 break;
3561 }
3562 default:
3563 ret = -TARGET_EINVAL;
3564 goto out;
3565 }
3566 unlock_user(argptr, guest_data, guest_data_size);
3567
3568 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3569 if (!argptr) {
3570 ret = -TARGET_EFAULT;
3571 goto out;
3572 }
3573 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3574 unlock_user(argptr, arg, target_size);
3575 }
3576out:
3577 if (big_buf) {
3578 free(big_buf);
3579 }
3580 return ret;
3581}
3582
9f106a75 3583static IOCTLEntry ioctl_entries[] = {
001faf32 3584#define IOCTL(cmd, access, ...) \
d2ef05bb
PM		 3585 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3586#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3587 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
31e31b8a
FB		 3588#include "ioctls.h"
3589 { 0, 0, },
3590};
3591
53a5960a 3592/* ??? Implement proper locking for ioctls. */
0da46a6e 3593/* do_ioctl() Must return target values and target errnos. */
992f48a0 3594static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 3595{
3596 const IOCTLEntry *ie;
3597 const argtype *arg_type;
992f48a0 3598 abi_long ret;
31e31b8a 3599 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 3600 int target_size;
3601 void *argptr;
31e31b8a
FB		 3602
3603 ie = ioctl_entries;
3604 for(;;) {
3605 if (ie->target_cmd == 0) {
32407103 3606 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 3607 return -TARGET_ENOSYS;
31e31b8a
FB		 3608 }
3609 if (ie->target_cmd == cmd)
3610 break;
3611 ie++;
3612 }
3613 arg_type = ie->arg_type;
9de5e440 3614#if defined(DEBUG)
32407103 3615 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 3616#endif
d2ef05bb
PM		 3617 if (ie->do_ioctl) {
3618 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3619 }
3620
31e31b8a
FB		 3621 switch(arg_type[0]) {
3622 case TYPE_NULL:
3623 /* no argument */
3624 ret = get_errno(ioctl(fd, ie->host_cmd));
3625 break;
3626 case TYPE_PTRVOID:
3627 case TYPE_INT:
3628 /* int argment */
3629 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3630 break;
3631 case TYPE_PTR:
3632 arg_type++;
53a5960a 3633 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 3634 switch(ie->access) {
3635 case IOC_R:
3636 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3637 if (!is_error(ret)) {
579a97f7
FB		 3638 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3639 if (!argptr)
3640 return -TARGET_EFAULT;
53a5960a
PB		 3641 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3642 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3643 }
3644 break;
3645 case IOC_W:
579a97f7
FB		 3646 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3647 if (!argptr)
3648 return -TARGET_EFAULT;
53a5960a
PB		 3649 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3650 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3651 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3652 break;
3653 default:
3654 case IOC_RW:
579a97f7
FB		 3655 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3656 if (!argptr)
3657 return -TARGET_EFAULT;
53a5960a
PB		 3658 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3659 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3660 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3661 if (!is_error(ret)) {
579a97f7
FB		 3662 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3663 if (!argptr)
3664 return -TARGET_EFAULT;
53a5960a
PB		 3665 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3666 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3667 }
3668 break;
3669 }
3670 break;
3671 default:
32407103
JM		 3672 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3673 (long)cmd, arg_type[0]);
0da46a6e 3674 ret = -TARGET_ENOSYS;
31e31b8a
FB		 3675 break;
3676 }
3677 return ret;
3678}
3679
b39bc503 3680static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 3681 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3682 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3683 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3684 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3685 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3686 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3687 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3688 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3689 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3690 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3691 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3692 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3693 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3694 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3695 { 0, 0, 0, 0 }
3696};
3697
b39bc503 3698static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3699 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3700 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3701 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3702 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3703 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3704 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3705 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3706 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3707 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3708 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3709 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3710 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3711 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3712 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3713 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3714 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3715 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3716 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3717 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3718 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3719 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3720 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3721 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3722 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3723 { 0, 0, 0, 0 }
3724};
3725
b39bc503 3726static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3727 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3728 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3729 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3730 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3731 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3732 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3733 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3734 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3735 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3736 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3737 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3738 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3739 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3740 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3741 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3742 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3743 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3744 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3745 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3746 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3747 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3748 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3749 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3750 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3751 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3752 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3753 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3754 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3755 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3756 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3757 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3758 { 0, 0, 0, 0 }
3759};
3760
b39bc503 3761static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3762 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3763 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3764 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3765 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3766 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3767 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3768 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3769 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3770 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3771 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3772 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3773 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3774 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3775 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3776 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3777 { 0, 0, 0, 0 }
3778};
3779
3780static void target_to_host_termios (void *dst, const void *src)
3781{
3782 struct host_termios *host = dst;
3783 const struct target_termios *target = src;
3b46e624 3784
5fafdf24 3785 host->c_iflag =
31e31b8a 3786 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3787 host->c_oflag =
31e31b8a 3788 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3789 host->c_cflag =
31e31b8a 3790 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3791 host->c_lflag =
31e31b8a
FB		 3792 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3793 host->c_line = target->c_line;
3b46e624 3794
44607123 3795 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3796 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3797 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3798 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3799 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3800 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3801 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3802 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3803 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3804 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3805 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3806 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3807 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3808 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3809 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3810 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3811 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3812 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3813}
3b46e624 3814
31e31b8a
FB		 3815static void host_to_target_termios (void *dst, const void *src)
3816{
3817 struct target_termios *target = dst;
3818 const struct host_termios *host = src;
3819
5fafdf24 3820 target->c_iflag =
31e31b8a 3821 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3822 target->c_oflag =
31e31b8a 3823 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3824 target->c_cflag =
31e31b8a 3825 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3826 target->c_lflag =
31e31b8a
FB		 3827 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3828 target->c_line = host->c_line;
3b46e624 3829
44607123 3830 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3831 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3832 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3833 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3834 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3835 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3836 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3837 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3838 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3839 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3840 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3841 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3842 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3843 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3844 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3845 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3846 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3847 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3848}
3849
8e853dc7 3850static const StructEntry struct_termios_def = {
31e31b8a
FB		 3851 .convert = { host_to_target_termios, target_to_host_termios },
3852 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3853 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3854};
3855
5286db75
FB		 3856static bitmask_transtbl mmap_flags_tbl[] = {
3857 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3858 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3859 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3860 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3861 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3862 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3863 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3864 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3865 { 0, 0, 0, 0 }
3866};
3867
2ab83ea7 3868#if defined(TARGET_I386)
6dbad63e
FB		 3869
3870/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3871static uint8_t *ldt_table;
6dbad63e 3872
03acab66 3873static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3874{
3875 int size;
53a5960a 3876 void *p;
6dbad63e
FB		 3877
3878 if (!ldt_table)
3879 return 0;
3880 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3881 if (size > bytecount)
3882 size = bytecount;
579a97f7
FB		 3883 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3884 if (!p)
03acab66 3885 return -TARGET_EFAULT;
579a97f7 3886 /* ??? Should this by byteswapped? */
53a5960a
PB		 3887 memcpy(p, ldt_table, size);
3888 unlock_user(p, ptr, size);
6dbad63e
FB		 3889 return size;
3890}
3891
3892/* XXX: add locking support */
03acab66
FB		 3893static abi_long write_ldt(CPUX86State *env,
3894 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3895{
3896 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3897 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3898 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3899 int seg_not_present, useable, lm;
6dbad63e
FB		 3900 uint32_t *lp, entry_1, entry_2;
3901
3902 if (bytecount != sizeof(ldt_info))
03acab66 3903 return -TARGET_EINVAL;
579a97f7 3904 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3905 return -TARGET_EFAULT;
53a5960a 3906 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 3907 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
53a5960a
PB		 3908 ldt_info.limit = tswap32(target_ldt_info->limit);
3909 ldt_info.flags = tswap32(target_ldt_info->flags);
3910 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3911
6dbad63e 3912 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3913 return -TARGET_EINVAL;
6dbad63e
FB		 3914 seg_32bit = ldt_info.flags & 1;
3915 contents = (ldt_info.flags >> 1) & 3;
3916 read_exec_only = (ldt_info.flags >> 3) & 1;
3917 limit_in_pages = (ldt_info.flags >> 4) & 1;
3918 seg_not_present = (ldt_info.flags >> 5) & 1;
3919 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3920#ifdef TARGET_ABI32
3921 lm = 0;
3922#else
3923 lm = (ldt_info.flags >> 7) & 1;
3924#endif
6dbad63e
FB		 3925 if (contents == 3) {
3926 if (oldmode)
03acab66 3927 return -TARGET_EINVAL;
6dbad63e 3928 if (seg_not_present == 0)
03acab66 3929 return -TARGET_EINVAL;
6dbad63e
FB		 3930 }
3931 /* allocate the LDT */
3932 if (!ldt_table) {
e441570f
AZ		 3933 env->ldt.base = target_mmap(0,
3934 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3935 PROT_READ|PROT_WRITE,
3936 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3937 if (env->ldt.base == -1)
03acab66 3938 return -TARGET_ENOMEM;
e441570f
AZ		 3939 memset(g2h(env->ldt.base), 0,
3940 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3941 env->ldt.limit = 0xffff;
e441570f 3942 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3943 }
3944
3945 /* NOTE: same code as Linux kernel */
3946 /* Allow LDTs to be cleared by the user. */
3947 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3948 if (oldmode ||
3949 (contents == 0 &&
3950 read_exec_only == 1 &&
3951 seg_32bit == 0 &&
3952 limit_in_pages == 0 &&
3953 seg_not_present == 1 &&
3954 useable == 0 )) {
3955 entry_1 = 0;
3956 entry_2 = 0;
3957 goto install;
3958 }
3959 }
3b46e624 3960
6dbad63e
FB		 3961 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3962 (ldt_info.limit & 0x0ffff);
3963 entry_2 = (ldt_info.base_addr & 0xff000000) |
3964 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3965 (ldt_info.limit & 0xf0000) |
3966 ((read_exec_only ^ 1) << 9) |
3967 (contents << 10) |
3968 ((seg_not_present ^ 1) << 15) |
3969 (seg_32bit << 22) |
3970 (limit_in_pages << 23) |
8d18e893 3971 (lm << 21) |
6dbad63e
FB		 3972 0x7000;
3973 if (!oldmode)
3974 entry_2 |= (useable << 20);
14ae3ba7 3975
6dbad63e
FB		 3976 /* Install the new entry ... */
3977install:
3978 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3979 lp[0] = tswap32(entry_1);
3980 lp[1] = tswap32(entry_2);
3981 return 0;
3982}
3983
3984/* specific and weird i386 syscalls */
8fcd3692
BS		 3985static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3986 unsigned long bytecount)
6dbad63e 3987{
03acab66 3988 abi_long ret;
3b46e624 3989
6dbad63e
FB		 3990 switch (func) {
3991 case 0:
3992 ret = read_ldt(ptr, bytecount);
3993 break;
3994 case 1:
3995 ret = write_ldt(env, ptr, bytecount, 1);
3996 break;
3997 case 0x11:
3998 ret = write_ldt(env, ptr, bytecount, 0);
3999 break;
03acab66
FB		 4000 default:
4001 ret = -TARGET_ENOSYS;
4002 break;
6dbad63e
FB		 4003 }
4004 return ret;
4005}
1b6b029e 4006
4583f589 4007#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 4008static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4009{
4010 uint64_t *gdt_table = g2h(env->gdt.base);
4011 struct target_modify_ldt_ldt_s ldt_info;
4012 struct target_modify_ldt_ldt_s *target_ldt_info;
4013 int seg_32bit, contents, read_exec_only, limit_in_pages;
4014 int seg_not_present, useable, lm;
4015 uint32_t *lp, entry_1, entry_2;
4016 int i;
4017
4018 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4019 if (!target_ldt_info)
4020 return -TARGET_EFAULT;
4021 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4022 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
8d18e893
FB		 4023 ldt_info.limit = tswap32(target_ldt_info->limit);
4024 ldt_info.flags = tswap32(target_ldt_info->flags);
4025 if (ldt_info.entry_number == -1) {
4026 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
4027 if (gdt_table[i] == 0) {
4028 ldt_info.entry_number = i;
4029 target_ldt_info->entry_number = tswap32(i);
4030 break;
4031 }
4032 }
4033 }
4034 unlock_user_struct(target_ldt_info, ptr, 1);
4035
4036 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
4037 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
4038 return -TARGET_EINVAL;
4039 seg_32bit = ldt_info.flags & 1;
4040 contents = (ldt_info.flags >> 1) & 3;
4041 read_exec_only = (ldt_info.flags >> 3) & 1;
4042 limit_in_pages = (ldt_info.flags >> 4) & 1;
4043 seg_not_present = (ldt_info.flags >> 5) & 1;
4044 useable = (ldt_info.flags >> 6) & 1;
4045#ifdef TARGET_ABI32
4046 lm = 0;
4047#else
4048 lm = (ldt_info.flags >> 7) & 1;
4049#endif
4050
4051 if (contents == 3) {
4052 if (seg_not_present == 0)
4053 return -TARGET_EINVAL;
4054 }
4055
4056 /* NOTE: same code as Linux kernel */
4057 /* Allow LDTs to be cleared by the user. */
4058 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4059 if ((contents == 0 &&
4060 read_exec_only == 1 &&
4061 seg_32bit == 0 &&
4062 limit_in_pages == 0 &&
4063 seg_not_present == 1 &&
4064 useable == 0 )) {
4065 entry_1 = 0;
4066 entry_2 = 0;
4067 goto install;
4068 }
4069 }
4070
4071 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4072 (ldt_info.limit & 0x0ffff);
4073 entry_2 = (ldt_info.base_addr & 0xff000000) |
4074 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4075 (ldt_info.limit & 0xf0000) |
4076 ((read_exec_only ^ 1) << 9) |
4077 (contents << 10) |
4078 ((seg_not_present ^ 1) << 15) |
4079 (seg_32bit << 22) |
4080 (limit_in_pages << 23) |
4081 (useable << 20) |
4082 (lm << 21) |
4083 0x7000;
4084
4085 /* Install the new entry ... */
4086install:
4087 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
4088 lp[0] = tswap32(entry_1);
4089 lp[1] = tswap32(entry_2);
4090 return 0;
4091}
4092
8fcd3692 4093static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4094{
4095 struct target_modify_ldt_ldt_s *target_ldt_info;
4096 uint64_t *gdt_table = g2h(env->gdt.base);
4097 uint32_t base_addr, limit, flags;
4098 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
4099 int seg_not_present, useable, lm;
4100 uint32_t *lp, entry_1, entry_2;
4101
4102 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4103 if (!target_ldt_info)
4104 return -TARGET_EFAULT;
4105 idx = tswap32(target_ldt_info->entry_number);
4106 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
4107 idx > TARGET_GDT_ENTRY_TLS_MAX) {
4108 unlock_user_struct(target_ldt_info, ptr, 1);
4109 return -TARGET_EINVAL;
4110 }
4111 lp = (uint32_t *)(gdt_table + idx);
4112 entry_1 = tswap32(lp[0]);
4113 entry_2 = tswap32(lp[1]);
4114
4115 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
4116 contents = (entry_2 >> 10) & 3;
4117 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
4118 seg_32bit = (entry_2 >> 22) & 1;
4119 limit_in_pages = (entry_2 >> 23) & 1;
4120 useable = (entry_2 >> 20) & 1;
4121#ifdef TARGET_ABI32
4122 lm = 0;
4123#else
4124 lm = (entry_2 >> 21) & 1;
4125#endif
4126 flags = (seg_32bit << 0) | (contents << 1) |
4127 (read_exec_only << 3) | (limit_in_pages << 4) |
4128 (seg_not_present << 5) | (useable << 6) | (lm << 7);
4129 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
4130 base_addr = (entry_1 >> 16) |
4131 (entry_2 & 0xff000000) |
4132 ((entry_2 & 0xff) << 16);
cbb21eed 4133 target_ldt_info->base_addr = tswapal(base_addr);
8d18e893
FB		 4134 target_ldt_info->limit = tswap32(limit);
4135 target_ldt_info->flags = tswap32(flags);
4136 unlock_user_struct(target_ldt_info, ptr, 1);
4137 return 0;
4138}
4583f589 4139#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 4140
d2fd1af7 4141#ifndef TARGET_ABI32
8fcd3692 4142static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7 4143{
1add8698 4144 abi_long ret = 0;
d2fd1af7
FB		 4145 abi_ulong val;
4146 int idx;
1add8698 4147
d2fd1af7
FB		 4148 switch(code) {
4149 case TARGET_ARCH_SET_GS:
4150 case TARGET_ARCH_SET_FS:
4151 if (code == TARGET_ARCH_SET_GS)
4152 idx = R_GS;
4153 else
4154 idx = R_FS;
4155 cpu_x86_load_seg(env, idx, 0);
4156 env->segs[idx].base = addr;
4157 break;
4158 case TARGET_ARCH_GET_GS:
4159 case TARGET_ARCH_GET_FS:
4160 if (code == TARGET_ARCH_GET_GS)
4161 idx = R_GS;
4162 else
4163 idx = R_FS;
4164 val = env->segs[idx].base;
4165 if (put_user(val, addr, abi_ulong))
1add8698 4166 ret = -TARGET_EFAULT;
d2fd1af7
FB		 4167 break;
4168 default:
4169 ret = -TARGET_EINVAL;
4170 break;
4171 }
1add8698 4172 return ret;
d2fd1af7
FB		 4173}
4174#endif
4175
2ab83ea7
FB		 4176#endif /* defined(TARGET_I386) */
4177
05098a93 4178#define NEW_STACK_SIZE 0x40000
d865bab5 4179
05098a93 4180#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4181
4182static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
4183typedef struct {
9349b4f9 4184 CPUArchState *env;
d865bab5
PB		 4185 pthread_mutex_t mutex;
4186 pthread_cond_t cond;
4187 pthread_t thread;
4188 uint32_t tid;
4189 abi_ulong child_tidptr;
4190 abi_ulong parent_tidptr;
4191 sigset_t sigmask;
4192} new_thread_info;
4193
4194static void *clone_func(void *arg)
4195{
4196 new_thread_info *info = arg;
9349b4f9 4197 CPUArchState *env;
edf8e2af 4198 TaskState *ts;
d865bab5
PB		 4199
4200 env = info->env;
4201 thread_env = env;
edf8e2af 4202 ts = (TaskState *)thread_env->opaque;
d865bab5 4203 info->tid = gettid();
1e9fa730 4204 env->host_tid = info->tid;
edf8e2af 4205 task_settid(ts);
d865bab5
PB		 4206 if (info->child_tidptr)
4207 put_user_u32(info->tid, info->child_tidptr);
4208 if (info->parent_tidptr)
4209 put_user_u32(info->tid, info->parent_tidptr);
4210 /* Enable signals. */
4211 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
4212 /* Signal to the parent that we're ready. */
4213 pthread_mutex_lock(&info->mutex);
4214 pthread_cond_broadcast(&info->cond);
4215 pthread_mutex_unlock(&info->mutex);
4216 /* Wait until the parent has finshed initializing the tls state. */
4217 pthread_mutex_lock(&clone_lock);
4218 pthread_mutex_unlock(&clone_lock);
4219 cpu_loop(env);
4220 /* never exits */
4221 return NULL;
4222}
4223#else
1b6b029e
FB		 4224
4225static int clone_func(void *arg)
4226{
9349b4f9 4227 CPUArchState *env = arg;
1b6b029e
FB		 4228 cpu_loop(env);
4229 /* never exits */
4230 return 0;
4231}
d865bab5 4232#endif
1b6b029e 4233
0da46a6e
TS		 4234/* do_fork() Must return host values and target errnos (unlike most
4235 do_*() functions). */
9349b4f9 4236static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
d865bab5
PB		 4237 abi_ulong parent_tidptr, target_ulong newtls,
4238 abi_ulong child_tidptr)
1b6b029e
FB		 4239{
4240 int ret;
5cd4393b 4241 TaskState *ts;
9349b4f9 4242 CPUArchState *new_env;
2f7bb878 4243#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4244 unsigned int nptl_flags;
4245 sigset_t sigmask;
9190749f
RV		 4246#else
4247 uint8_t *new_stack;
d865bab5 4248#endif
3b46e624 4249
436d124b
AZ		 4250 /* Emulate vfork() with fork() */
4251 if (flags & CLONE_VFORK)
4252 flags &= ~(CLONE_VFORK | CLONE_VM);
4253
1b6b029e 4254 if (flags & CLONE_VM) {
edf8e2af 4255 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 4256#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4257 new_thread_info info;
4258 pthread_attr_t attr;
bd0c5661 4259#endif
7267c094 4260 ts = g_malloc0(sizeof(TaskState));
624f7979 4261 init_task_state(ts);
1b6b029e 4262 /* we create a new CPU instance. */
c5be9f08 4263 new_env = cpu_copy(env);
b4558d74 4264#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
1bba0dc9 4265 cpu_state_reset(new_env);
b4558d74 4266#endif
6e68e076
PB		 4267 /* Init regs that differ from the parent. */
4268 cpu_clone_regs(new_env, newsp);
5cd4393b 4269 new_env->opaque = ts;
edf8e2af
MW		 4270 ts->bprm = parent_ts->bprm;
4271 ts->info = parent_ts->info;
2f7bb878 4272#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 4273 nptl_flags = flags;
4274 flags &= ~CLONE_NPTL_FLAGS2;
4275
c2764719
PB		 4276 if (nptl_flags & CLONE_CHILD_CLEARTID) {
4277 ts->child_tidptr = child_tidptr;
4278 }
4279
d865bab5
PB		 4280 if (nptl_flags & CLONE_SETTLS)
4281 cpu_set_tls (new_env, newtls);
4282
4283 /* Grab a mutex so that thread setup appears atomic. */
4284 pthread_mutex_lock(&clone_lock);
4285
4286 memset(&info, 0, sizeof(info));
4287 pthread_mutex_init(&info.mutex, NULL);
4288 pthread_mutex_lock(&info.mutex);
4289 pthread_cond_init(&info.cond, NULL);
4290 info.env = new_env;
4291 if (nptl_flags & CLONE_CHILD_SETTID)
4292 info.child_tidptr = child_tidptr;
4293 if (nptl_flags & CLONE_PARENT_SETTID)
4294 info.parent_tidptr = parent_tidptr;
4295
4296 ret = pthread_attr_init(&attr);
48e15fc2
NF		 4297 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
4298 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
d865bab5
PB		 4299 /* It is not safe to deliver signals until the child has finished
4300 initializing, so temporarily block all signals. */
4301 sigfillset(&sigmask);
4302 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
4303
4304 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 4305 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 4306
4307 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
4308 pthread_attr_destroy(&attr);
4309 if (ret == 0) {
4310 /* Wait for the child to initialize. */
4311 pthread_cond_wait(&info.cond, &info.mutex);
4312 ret = info.tid;
4313 if (flags & CLONE_PARENT_SETTID)
4314 put_user_u32(ret, parent_tidptr);
4315 } else {
4316 ret = -1;
4317 }
4318 pthread_mutex_unlock(&info.mutex);
4319 pthread_cond_destroy(&info.cond);
4320 pthread_mutex_destroy(&info.mutex);
4321 pthread_mutex_unlock(&clone_lock);
4322#else
4323 if (flags & CLONE_NPTL_FLAGS2)
4324 return -EINVAL;
4325 /* This is probably going to die very quickly, but do it anyway. */
7267c094 4326 new_stack = g_malloc0 (NEW_STACK_SIZE);
27725c1d 4327#ifdef __ia64__
60e99246 4328 ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 4329#else
4330 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 4331#endif
27725c1d 4332#endif
1b6b029e
FB		 4333 } else {
4334 /* if no CLONE_VM, we consider it is a fork */
d865bab5 4335 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 4336 return -EINVAL;
d865bab5 4337 fork_start();
1b6b029e 4338 ret = fork();
d865bab5 4339 if (ret == 0) {
2b1319c8 4340 /* Child Process. */
d865bab5
PB		 4341 cpu_clone_regs(env, newsp);
4342 fork_end(1);
2f7bb878 4343#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 4344 /* There is a race condition here. The parent process could
4345 theoretically read the TID in the child process before the child
4346 tid is set. This would require using either ptrace
4347 (not implemented) or having *_tidptr to point at a shared memory
4348 mapping. We can't repeat the spinlock hack used above because
4349 the child process gets its own copy of the lock. */
d865bab5
PB		 4350 if (flags & CLONE_CHILD_SETTID)
4351 put_user_u32(gettid(), child_tidptr);
4352 if (flags & CLONE_PARENT_SETTID)
4353 put_user_u32(gettid(), parent_tidptr);
4354 ts = (TaskState *)env->opaque;
4355 if (flags & CLONE_SETTLS)
4356 cpu_set_tls (env, newtls);
c2764719
PB		 4357 if (flags & CLONE_CHILD_CLEARTID)
4358 ts->child_tidptr = child_tidptr;
2b1319c8 4359#endif
d865bab5
PB		 4360 } else {
4361 fork_end(0);
4362 }
1b6b029e
FB		 4363 }
4364 return ret;
4365}
4366
5f106811
APR		 4367/* warning : doesn't handle linux specific flags... */
4368static int target_to_host_fcntl_cmd(int cmd)
4369{
4370 switch(cmd) {
4371 case TARGET_F_DUPFD:
4372 case TARGET_F_GETFD:
4373 case TARGET_F_SETFD:
4374 case TARGET_F_GETFL:
4375 case TARGET_F_SETFL:
4376 return cmd;
4377 case TARGET_F_GETLK:
4378 return F_GETLK;
4379 case TARGET_F_SETLK:
4380 return F_SETLK;
4381 case TARGET_F_SETLKW:
4382 return F_SETLKW;
4383 case TARGET_F_GETOWN:
4384 return F_GETOWN;
4385 case TARGET_F_SETOWN:
4386 return F_SETOWN;
4387 case TARGET_F_GETSIG:
4388 return F_GETSIG;
4389 case TARGET_F_SETSIG:
4390 return F_SETSIG;
4391#if TARGET_ABI_BITS == 32
4392 case TARGET_F_GETLK64:
4393 return F_GETLK64;
4394 case TARGET_F_SETLK64:
4395 return F_SETLK64;
4396 case TARGET_F_SETLKW64:
4397 return F_SETLKW64;
4398#endif
7e22e546
UH		 4399 case TARGET_F_SETLEASE:
4400 return F_SETLEASE;
4401 case TARGET_F_GETLEASE:
4402 return F_GETLEASE;
fbd5de9b 4403#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 4404 case TARGET_F_DUPFD_CLOEXEC:
4405 return F_DUPFD_CLOEXEC;
fbd5de9b 4406#endif
7e22e546
UH		 4407 case TARGET_F_NOTIFY:
4408 return F_NOTIFY;
5f106811
APR		 4409 default:
4410 return -TARGET_EINVAL;
4411 }
4412 return -TARGET_EINVAL;
4413}
4414
992f48a0 4415static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 4416{
4417 struct flock fl;
53a5960a 4418 struct target_flock *target_fl;
43f238d7
TS		 4419 struct flock64 fl64;
4420 struct target_flock64 *target_fl64;
992f48a0 4421 abi_long ret;
5f106811
APR		 4422 int host_cmd = target_to_host_fcntl_cmd(cmd);
4423
4424 if (host_cmd == -TARGET_EINVAL)
4425 return host_cmd;
53a5960a 4426
7775e9ec
FB		 4427 switch(cmd) {
4428 case TARGET_F_GETLK:
579a97f7
FB		 4429 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4430 return -TARGET_EFAULT;
5813427b
TS		 4431 fl.l_type = tswap16(target_fl->l_type);
4432 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4433 fl.l_start = tswapal(target_fl->l_start);
4434 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4435 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 4436 unlock_user_struct(target_fl, arg, 0);
5f106811 4437 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4438 if (ret == 0) {
579a97f7
FB		 4439 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
4440 return -TARGET_EFAULT;
7775e9ec
FB		 4441 target_fl->l_type = tswap16(fl.l_type);
4442 target_fl->l_whence = tswap16(fl.l_whence);
cbb21eed
MB		 4443 target_fl->l_start = tswapal(fl.l_start);
4444 target_fl->l_len = tswapal(fl.l_len);
7e22e546 4445 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 4446 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 4447 }
4448 break;
3b46e624 4449
7775e9ec
FB		 4450 case TARGET_F_SETLK:
4451 case TARGET_F_SETLKW:
579a97f7
FB		 4452 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4453 return -TARGET_EFAULT;
7775e9ec
FB		 4454 fl.l_type = tswap16(target_fl->l_type);
4455 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4456 fl.l_start = tswapal(target_fl->l_start);
4457 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4458 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 4459 unlock_user_struct(target_fl, arg, 0);
5f106811 4460 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4461 break;
3b46e624 4462
7775e9ec 4463 case TARGET_F_GETLK64:
579a97f7
FB		 4464 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4465 return -TARGET_EFAULT;
5813427b
TS		 4466 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4467 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4468 fl64.l_start = tswap64(target_fl64->l_start);
4469 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4470 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 4471 unlock_user_struct(target_fl64, arg, 0);
5f106811 4472 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 4473 if (ret == 0) {
579a97f7
FB		 4474 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
4475 return -TARGET_EFAULT;
43f238d7
TS		 4476 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
4477 target_fl64->l_whence = tswap16(fl64.l_whence);
cbb21eed
MB		 4478 target_fl64->l_start = tswap64(fl64.l_start);
4479 target_fl64->l_len = tswap64(fl64.l_len);
7e22e546 4480 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 4481 unlock_user_struct(target_fl64, arg, 1);
4482 }
9ee1fa2c 4483 break;
7775e9ec
FB		 4484 case TARGET_F_SETLK64:
4485 case TARGET_F_SETLKW64:
579a97f7
FB		 4486 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4487 return -TARGET_EFAULT;
43f238d7
TS		 4488 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
4489 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4490 fl64.l_start = tswap64(target_fl64->l_start);
4491 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4492 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 4493 unlock_user_struct(target_fl64, arg, 0);
5f106811 4494 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 4495 break;
4496
5f106811
APR		 4497 case TARGET_F_GETFL:
4498 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 4499 if (ret >= 0) {
4500 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4501 }
ffa65c3b
FB		 4502 break;
4503
5f106811
APR		 4504 case TARGET_F_SETFL:
4505 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4506 break;
4507
4508 case TARGET_F_SETOWN:
4509 case TARGET_F_GETOWN:
4510 case TARGET_F_SETSIG:
4511 case TARGET_F_GETSIG:
7e22e546
UH		 4512 case TARGET_F_SETLEASE:
4513 case TARGET_F_GETLEASE:
5f106811 4514 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 4515 break;
4516
7775e9ec 4517 default:
9ee1fa2c 4518 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 4519 break;
4520 }
4521 return ret;
4522}
4523
67867308 4524#ifdef USE_UID16
7775e9ec 4525
67867308
FB		 4526static inline int high2lowuid(int uid)
4527{
4528 if (uid > 65535)
4529 return 65534;
4530 else
4531 return uid;
4532}
4533
4534static inline int high2lowgid(int gid)
4535{
4536 if (gid > 65535)
4537 return 65534;
4538 else
4539 return gid;
4540}
4541
4542static inline int low2highuid(int uid)
4543{
4544 if ((int16_t)uid == -1)
4545 return -1;
4546 else
4547 return uid;
4548}
4549
4550static inline int low2highgid(int gid)
4551{
4552 if ((int16_t)gid == -1)
4553 return -1;
4554 else
4555 return gid;
4556}
0c866a7e
RV		 4557static inline int tswapid(int id)
4558{
4559 return tswap16(id);
4560}
4561#else /* !USE_UID16 */
4562static inline int high2lowuid(int uid)
4563{
4564 return uid;
4565}
4566static inline int high2lowgid(int gid)
4567{
4568 return gid;
4569}
4570static inline int low2highuid(int uid)
4571{
4572 return uid;
4573}
4574static inline int low2highgid(int gid)
4575{
4576 return gid;
4577}
4578static inline int tswapid(int id)
4579{
4580 return tswap32(id);
4581}
67867308 4582#endif /* USE_UID16 */
1b6b029e 4583
31e31b8a
FB		 4584void syscall_init(void)
4585{
2ab83ea7
FB		 4586 IOCTLEntry *ie;
4587 const argtype *arg_type;
4588 int size;
b92c47c1 4589 int i;
2ab83ea7 4590
001faf32 4591#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 4592#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 4593#include "syscall_types.h"
4594#undef STRUCT
4595#undef STRUCT_SPECIAL
2ab83ea7
FB		 4596
4597 /* we patch the ioctl size if necessary. We rely on the fact that
4598 no ioctl has all the bits at '1' in the size field */
4599 ie = ioctl_entries;
4600 while (ie->target_cmd != 0) {
4601 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4602 TARGET_IOC_SIZEMASK) {
4603 arg_type = ie->arg_type;
4604 if (arg_type[0] != TYPE_PTR) {
5fafdf24 4605 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 4606 ie->target_cmd);
4607 exit(1);
4608 }
4609 arg_type++;
4610 size = thunk_type_size(arg_type, 0);
5fafdf24 4611 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 4612 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4613 (size << TARGET_IOC_SIZESHIFT);
4614 }
b92c47c1
TS		 4615
4616 /* Build target_to_host_errno_table[] table from
4617 * host_to_target_errno_table[]. */
4618 for (i=0; i < ERRNO_TABLE_SIZE; i++)
4619 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4620
2ab83ea7 4621 /* automatic consistency check if same arch */
872ea0c0
AZ		 4622#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4623 (defined(__x86_64__) && defined(TARGET_X86_64))
4624 if (unlikely(ie->target_cmd != ie->host_cmd)) {
4625 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4626 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 4627 }
4628#endif
4629 ie++;
4630 }
31e31b8a 4631}
c573ff67 4632
992f48a0 4633#if TARGET_ABI_BITS == 32
ce4defa0
PB		 4634static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4635{
af325d36 4636#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 4637 return ((uint64_t)word0 << 32) | word1;
4638#else
4639 return ((uint64_t)word1 << 32) | word0;
4640#endif
4641}
992f48a0 4642#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 4643static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4644{
4645 return word0;
4646}
992f48a0 4647#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 4648
4649#ifdef TARGET_NR_truncate64
992f48a0
BS		 4650static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4651 abi_long arg2,
4652 abi_long arg3,
4653 abi_long arg4)
ce4defa0 4654{
48e515d4 4655 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4656 arg2 = arg3;
4657 arg3 = arg4;
48e515d4 4658 }
ce4defa0
PB		 4659 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4660}
4661#endif
4662
4663#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 4664static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4665 abi_long arg2,
4666 abi_long arg3,
4667 abi_long arg4)
ce4defa0 4668{
48e515d4 4669 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4670 arg2 = arg3;
4671 arg3 = arg4;
48e515d4 4672 }
ce4defa0
PB		 4673 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4674}
4675#endif
4676
579a97f7
FB		 4677static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4678 abi_ulong target_addr)
53a5960a
PB		 4679{
4680 struct target_timespec *target_ts;
4681
579a97f7
FB		 4682 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4683 return -TARGET_EFAULT;
cbb21eed
MB		 4684 host_ts->tv_sec = tswapal(target_ts->tv_sec);
4685 host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
53a5960a 4686 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 4687 return 0;
53a5960a
PB		 4688}
4689
579a97f7
FB		 4690static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4691 struct timespec *host_ts)
53a5960a
PB		 4692{
4693 struct target_timespec *target_ts;
4694
579a97f7
FB		 4695 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4696 return -TARGET_EFAULT;
cbb21eed
MB		 4697 target_ts->tv_sec = tswapal(host_ts->tv_sec);
4698 target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
53a5960a 4699 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 4700 return 0;
53a5960a
PB		 4701}
4702
9d33b76b 4703#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 4704static inline abi_long host_to_target_stat64(void *cpu_env,
4705 abi_ulong target_addr,
4706 struct stat *host_st)
4707{
4708#ifdef TARGET_ARM
4709 if (((CPUARMState *)cpu_env)->eabi) {
4710 struct target_eabi_stat64 *target_st;
4711
4712 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4713 return -TARGET_EFAULT;
4714 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4715 __put_user(host_st->st_dev, &target_st->st_dev);
4716 __put_user(host_st->st_ino, &target_st->st_ino);
4717#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4718 __put_user(host_st->st_ino, &target_st->__st_ino);
4719#endif
4720 __put_user(host_st->st_mode, &target_st->st_mode);
4721 __put_user(host_st->st_nlink, &target_st->st_nlink);
4722 __put_user(host_st->st_uid, &target_st->st_uid);
4723 __put_user(host_st->st_gid, &target_st->st_gid);
4724 __put_user(host_st->st_rdev, &target_st->st_rdev);
4725 __put_user(host_st->st_size, &target_st->st_size);
4726 __put_user(host_st->st_blksize, &target_st->st_blksize);
4727 __put_user(host_st->st_blocks, &target_st->st_blocks);
4728 __put_user(host_st->st_atime, &target_st->target_st_atime);
4729 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4730 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4731 unlock_user_struct(target_st, target_addr, 1);
4732 } else
4733#endif
4734 {
ed18c5ce 4735#if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
9d33b76b
AJ		 4736 struct target_stat *target_st;
4737#else
6a24a778 4738 struct target_stat64 *target_st;
9d33b76b 4739#endif
6a24a778
AZ		 4740
4741 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4742 return -TARGET_EFAULT;
9d33b76b 4743 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4744 __put_user(host_st->st_dev, &target_st->st_dev);
4745 __put_user(host_st->st_ino, &target_st->st_ino);
4746#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4747 __put_user(host_st->st_ino, &target_st->__st_ino);
4748#endif
4749 __put_user(host_st->st_mode, &target_st->st_mode);
4750 __put_user(host_st->st_nlink, &target_st->st_nlink);
4751 __put_user(host_st->st_uid, &target_st->st_uid);
4752 __put_user(host_st->st_gid, &target_st->st_gid);
4753 __put_user(host_st->st_rdev, &target_st->st_rdev);
4754 /* XXX: better use of kernel struct */
4755 __put_user(host_st->st_size, &target_st->st_size);
4756 __put_user(host_st->st_blksize, &target_st->st_blksize);
4757 __put_user(host_st->st_blocks, &target_st->st_blocks);
4758 __put_user(host_st->st_atime, &target_st->target_st_atime);
4759 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4760 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4761 unlock_user_struct(target_st, target_addr, 1);
4762 }
4763
4764 return 0;
4765}
4766#endif
4767
2f7bb878 4768#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 4769/* ??? Using host futex calls even when target atomic operations
4770 are not really atomic probably breaks things. However implementing
4771 futexes locally would make futexes shared between multiple processes
4772 tricky. However they're probably useless because guest atomic
4773 operations won't work either. */
8fcd3692
BS		 4774static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4775 target_ulong uaddr2, int val3)
bd0c5661
PB		 4776{
4777 struct timespec ts, *pts;
a16aae0c 4778 int base_op;
bd0c5661
PB		 4779
4780 /* ??? We assume FUTEX_* constants are the same on both host
4781 and target. */
a29ccd63 4782#ifdef FUTEX_CMD_MASK
a16aae0c 4783 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4784#else
a16aae0c 4785 base_op = op;
a29ccd63 4786#endif
a16aae0c 4787 switch (base_op) {
bd0c5661
PB		 4788 case FUTEX_WAIT:
4789 if (timeout) {
4790 pts = &ts;
4791 target_to_host_timespec(pts, timeout);
4792 } else {
4793 pts = NULL;
4794 }
a29ccd63 4795 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4796 pts, NULL, 0));
4797 case FUTEX_WAKE:
a29ccd63 4798 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4799 case FUTEX_FD:
a29ccd63 4800 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4801 case FUTEX_REQUEUE:
bd0c5661 4802 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4803 case FUTEX_WAKE_OP:
4804 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4805 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4806 But the prototype takes a `struct timespec *'; insert casts
4807 to satisfy the compiler. We do not need to tswap TIMEOUT
4808 since it's not compared to guest memory. */
4809 pts = (struct timespec *)(uintptr_t) timeout;
4810 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4811 g2h(uaddr2),
4812 (base_op == FUTEX_CMP_REQUEUE
4813 ? tswap32(val3)
4814 : val3)));
bd0c5661
PB		 4815 default:
4816 return -TARGET_ENOSYS;
4817 }
4818}
4819#endif
4820
1d9d8b55
PB		 4821/* Map host to target signal numbers for the wait family of syscalls.
4822 Assume all other status bits are the same. */
4823static int host_to_target_waitstatus(int status)
4824{
4825 if (WIFSIGNALED(status)) {
4826 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4827 }
4828 if (WIFSTOPPED(status)) {
4829 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4830 | (status & 0xff);
4831 }
4832 return status;
4833}
4834
a745ec6d
PB		 4835int get_osversion(void)
4836{
4837 static int osversion;
4838 struct new_utsname buf;
4839 const char *s;
4840 int i, n, tmp;
4841 if (osversion)
4842 return osversion;
4843 if (qemu_uname_release && *qemu_uname_release) {
4844 s = qemu_uname_release;
4845 } else {
4846 if (sys_uname(&buf))
4847 return 0;
4848 s = buf.release;
4849 }
4850 tmp = 0;
4851 for (i = 0; i < 3; i++) {
4852 n = 0;
4853 while (*s >= '0' && *s <= '9') {
4854 n *= 10;
4855 n += *s - '0';
4856 s++;
4857 }
4858 tmp = (tmp << 8) + n;
4859 if (*s == '.')
4860 s++;
4861 }
4862 osversion = tmp;
4863 return osversion;
4864}
4865
36c08d49
AG		 4866
4867static int open_self_maps(void *cpu_env, int fd)
4868{
9349b4f9 4869 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
36c08d49
AG		 4870
4871 dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
4872 (unsigned long long)ts->info->stack_limit,
4873 (unsigned long long)(ts->stack_base + (TARGET_PAGE_SIZE - 1))
4874 & TARGET_PAGE_MASK,
4875 (unsigned long long)ts->stack_base);
4876
4877 return 0;
4878}
4879
480b8e7d
AG		 4880static int open_self_stat(void *cpu_env, int fd)
4881{
9349b4f9 4882 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
480b8e7d
AG		 4883 abi_ulong start_stack = ts->info->start_stack;
4884 int i;
4885
4886 for (i = 0; i < 44; i++) {
4887 char buf[128];
4888 int len;
4889 uint64_t val = 0;
4890
e0e65bee
FE		 4891 if (i == 0) {
4892 /* pid */
4893 val = getpid();
4894 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
4895 } else if (i == 1) {
4896 /* app name */
4897 snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
4898 } else if (i == 27) {
4899 /* stack bottom */
4900 val = start_stack;
4901 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
4902 } else {
4903 /* for the rest, there is MasterCard */
4904 snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
480b8e7d 4905 }
e0e65bee 4906
480b8e7d
AG		 4907 len = strlen(buf);
4908 if (write(fd, buf, len) != len) {
4909 return -1;
4910 }
4911 }
4912
4913 return 0;
4914}
4915
257450ee
AG		 4916static int open_self_auxv(void *cpu_env, int fd)
4917{
9349b4f9 4918 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
257450ee
AG		 4919 abi_ulong auxv = ts->info->saved_auxv;
4920 abi_ulong len = ts->info->auxv_len;
4921 char *ptr;
4922
4923 /*
4924 * Auxiliary vector is stored in target process stack.
4925 * read in whole auxv vector and copy it to file
4926 */
4927 ptr = lock_user(VERIFY_READ, auxv, len, 0);
4928 if (ptr != NULL) {
4929 while (len > 0) {
4930 ssize_t r;
4931 r = write(fd, ptr, len);
4932 if (r <= 0) {
4933 break;
4934 }
4935 len -= r;
4936 ptr += r;
4937 }
4938 lseek(fd, 0, SEEK_SET);
4939 unlock_user(ptr, auxv, len);
4940 }
4941
4942 return 0;
4943}
4944
3be14d05
AG		 4945static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode)
4946{
4947 struct fake_open {
4948 const char *filename;
4949 int (*fill)(void *cpu_env, int fd);
4950 };
4951 const struct fake_open *fake_open;
4952 static const struct fake_open fakes[] = {
36c08d49 4953 { "/proc/self/maps", open_self_maps },
480b8e7d 4954 { "/proc/self/stat", open_self_stat },
257450ee 4955 { "/proc/self/auxv", open_self_auxv },
3be14d05
AG		 4956 { NULL, NULL }
4957 };
4958
4959 for (fake_open = fakes; fake_open->filename; fake_open++) {
4960 if (!strncmp(pathname, fake_open->filename,
4961 strlen(fake_open->filename))) {
4962 break;
4963 }
4964 }
4965
4966 if (fake_open->filename) {
4967 const char *tmpdir;
4968 char filename[PATH_MAX];
4969 int fd, r;
4970
4971 /* create temporary file to map stat to */
4972 tmpdir = getenv("TMPDIR");
4973 if (!tmpdir)
4974 tmpdir = "/tmp";
4975 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
4976 fd = mkstemp(filename);
4977 if (fd < 0) {
4978 return fd;
4979 }
4980 unlink(filename);
4981
4982 if ((r = fake_open->fill(cpu_env, fd))) {
4983 close(fd);
4984 return r;
4985 }
4986 lseek(fd, 0, SEEK_SET);
4987
4988 return fd;
4989 }
4990
4991 return get_errno(open(path(pathname), flags, mode));
4992}
4993
0da46a6e
TS		 4994/* do_syscall() should always have a single exit point at the end so
4995 that actions, such as logging of syscall results, can be performed.
4996 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 4997abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4998 abi_long arg2, abi_long arg3, abi_long arg4,
5945cfcb
PM		 4999 abi_long arg5, abi_long arg6, abi_long arg7,
5000 abi_long arg8)
31e31b8a 5001{
992f48a0 5002 abi_long ret;
31e31b8a 5003 struct stat st;
56c8f68f 5004 struct statfs stfs;
53a5960a 5005 void *p;
3b46e624 5006
72f03900 5007#ifdef DEBUG
c573ff67 5008 gemu_log("syscall %d", num);
72f03900 5009#endif
b92c47c1
TS		 5010 if(do_strace)
5011 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
5012
31e31b8a
FB		 5013 switch(num) {
5014 case TARGET_NR_exit:
2f7bb878 5015#ifdef CONFIG_USE_NPTL
c2764719
PB		 5016 /* In old applications this may be used to implement _exit(2).
5017 However in threaded applictions it is used for thread termination,
5018 and _exit_group is used for application termination.
5019 Do thread termination if we have more then one thread. */
5020 /* FIXME: This probably breaks if a signal arrives. We should probably
5021 be disabling signals. */
5022 if (first_cpu->next_cpu) {
1e9fa730 5023 TaskState *ts;
9349b4f9
AF		 5024 CPUArchState **lastp;
5025 CPUArchState *p;
c2764719
PB		 5026
5027 cpu_list_lock();
5028 lastp = &first_cpu;
5029 p = first_cpu;
9349b4f9 5030 while (p && p != (CPUArchState *)cpu_env) {
c2764719
PB		 5031 lastp = &p->next_cpu;
5032 p = p->next_cpu;
5033 }
5034 /* If we didn't find the CPU for this thread then something is
5035 horribly wrong. */
5036 if (!p)
5037 abort();
5038 /* Remove the CPU from the list. */
5039 *lastp = p->next_cpu;
5040 cpu_list_unlock();
9349b4f9 5041 ts = ((CPUArchState *)cpu_env)->opaque;
c2764719
PB		 5042 if (ts->child_tidptr) {
5043 put_user_u32(0, ts->child_tidptr);
5044 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
5045 NULL, NULL, 0);
5046 }
48e15fc2 5047 thread_env = NULL;
7267c094
AL		 5048 g_free(cpu_env);
5049 g_free(ts);
c2764719
PB		 5050 pthread_exit(NULL);
5051 }
5052#endif
9788c9ca 5053#ifdef TARGET_GPROF
7d13299d
FB		 5054 _mcleanup();
5055#endif
e9009676 5056 gdb_exit(cpu_env, arg1);
c2764719 5057 _exit(arg1);
31e31b8a
FB		 5058 ret = 0; /* avoid warning */
5059 break;
5060 case TARGET_NR_read:
38d840e6
AJ		 5061 if (arg3 == 0)
5062 ret = 0;
5063 else {
5064 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5065 goto efault;
5066 ret = get_errno(read(arg1, p, arg3));
5067 unlock_user(p, arg2, ret);
5068 }
31e31b8a
FB		 5069 break;
5070 case TARGET_NR_write:
579a97f7
FB		 5071 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5072 goto efault;
53a5960a
PB		 5073 ret = get_errno(write(arg1, p, arg3));
5074 unlock_user(p, arg2, 0);
31e31b8a
FB		 5075 break;
5076 case TARGET_NR_open:
2f619698
FB		 5077 if (!(p = lock_user_string(arg1)))
5078 goto efault;
3be14d05
AG		 5079 ret = get_errno(do_open(cpu_env, p,
5080 target_to_host_bitmask(arg2, fcntl_flags_tbl),
5081 arg3));
53a5960a 5082 unlock_user(p, arg1, 0);
31e31b8a 5083 break;
82424832
TS		 5084#if defined(TARGET_NR_openat) && defined(__NR_openat)
5085 case TARGET_NR_openat:
579a97f7
FB		 5086 if (!(p = lock_user_string(arg2)))
5087 goto efault;
5088 ret = get_errno(sys_openat(arg1,
5089 path(p),
5090 target_to_host_bitmask(arg3, fcntl_flags_tbl),
5091 arg4));
5092 unlock_user(p, arg2, 0);
82424832
TS		 5093 break;
5094#endif
31e31b8a
FB		 5095 case TARGET_NR_close:
5096 ret = get_errno(close(arg1));
5097 break;
5098 case TARGET_NR_brk:
53a5960a 5099 ret = do_brk(arg1);
31e31b8a
FB		 5100 break;
5101 case TARGET_NR_fork:
d865bab5 5102 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 5103 break;
e5febef5 5104#ifdef TARGET_NR_waitpid
31e31b8a
FB		 5105 case TARGET_NR_waitpid:
5106 {
53a5960a
PB		 5107 int status;
5108 ret = get_errno(waitpid(arg1, &status, arg3));
5379557b 5109 if (!is_error(ret) && arg2 && ret
1d9d8b55 5110 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 5111 goto efault;
31e31b8a
FB		 5112 }
5113 break;
e5febef5 5114#endif
f0cbb613
PB		 5115#ifdef TARGET_NR_waitid
5116 case TARGET_NR_waitid:
5117 {
5118 siginfo_t info;
5119 info.si_pid = 0;
5120 ret = get_errno(waitid(arg1, arg2, &info, arg4));
5121 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 5122 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 5123 goto efault;
5124 host_to_target_siginfo(p, &info);
c227f099 5125 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 5126 }
5127 }
5128 break;
5129#endif
7a3148a9 5130#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 5131 case TARGET_NR_creat:
579a97f7
FB		 5132 if (!(p = lock_user_string(arg1)))
5133 goto efault;
53a5960a
PB		 5134 ret = get_errno(creat(p, arg2));
5135 unlock_user(p, arg1, 0);
31e31b8a 5136 break;
7a3148a9 5137#endif
31e31b8a 5138 case TARGET_NR_link:
53a5960a
PB		 5139 {
5140 void * p2;
5141 p = lock_user_string(arg1);
5142 p2 = lock_user_string(arg2);
579a97f7
FB		 5143 if (!p || !p2)
5144 ret = -TARGET_EFAULT;
5145 else
5146 ret = get_errno(link(p, p2));
53a5960a
PB		 5147 unlock_user(p2, arg2, 0);
5148 unlock_user(p, arg1, 0);
5149 }
31e31b8a 5150 break;
64f0ce4c
TS		 5151#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
5152 case TARGET_NR_linkat:
64f0ce4c
TS		 5153 {
5154 void * p2 = NULL;
579a97f7
FB		 5155 if (!arg2 || !arg4)
5156 goto efault;
64f0ce4c
TS		 5157 p = lock_user_string(arg2);
5158 p2 = lock_user_string(arg4);
579a97f7 5159 if (!p || !p2)
0da46a6e 5160 ret = -TARGET_EFAULT;
64f0ce4c
TS		 5161 else
5162 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 5163 unlock_user(p, arg2, 0);
5164 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 5165 }
5166 break;
5167#endif
31e31b8a 5168 case TARGET_NR_unlink:
579a97f7
FB		 5169 if (!(p = lock_user_string(arg1)))
5170 goto efault;
53a5960a
PB		 5171 ret = get_errno(unlink(p));
5172 unlock_user(p, arg1, 0);
31e31b8a 5173 break;
8170f56b
TS		 5174#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
5175 case TARGET_NR_unlinkat:
579a97f7
FB		 5176 if (!(p = lock_user_string(arg2)))
5177 goto efault;
5178 ret = get_errno(sys_unlinkat(arg1, p, arg3));
5179 unlock_user(p, arg2, 0);
ed494d87 5180 break;
b7d35e65 5181#endif
31e31b8a 5182 case TARGET_NR_execve:
7854b056
FB		 5183 {
5184 char **argp, **envp;
f7341ff4 5185 int argc, envc;
992f48a0
BS		 5186 abi_ulong gp;
5187 abi_ulong guest_argp;
5188 abi_ulong guest_envp;
5189 abi_ulong addr;
7854b056 5190 char **q;
a6f79cc9 5191 int total_size = 0;
7854b056 5192
f7341ff4 5193 argc = 0;
53a5960a 5194 guest_argp = arg2;
da94d263 5195 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5196 if (get_user_ual(addr, gp))
2f619698 5197 goto efault;
03aa1976 5198 if (!addr)
2f619698 5199 break;
7854b056 5200 argc++;
2f619698 5201 }
f7341ff4 5202 envc = 0;
53a5960a 5203 guest_envp = arg3;
da94d263 5204 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5205 if (get_user_ual(addr, gp))
2f619698 5206 goto efault;
03aa1976 5207 if (!addr)
2f619698 5208 break;
7854b056 5209 envc++;
2f619698 5210 }
7854b056 5211
f7341ff4
FB		 5212 argp = alloca((argc + 1) * sizeof(void *));
5213 envp = alloca((envc + 1) * sizeof(void *));
7854b056 5214
da94d263 5215 for (gp = guest_argp, q = argp; gp;
992f48a0 5216 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5217 if (get_user_ual(addr, gp))
5218 goto execve_efault;
53a5960a
PB		 5219 if (!addr)
5220 break;
2f619698
FB		 5221 if (!(*q = lock_user_string(addr)))
5222 goto execve_efault;
a6f79cc9 5223 total_size += strlen(*q) + 1;
53a5960a 5224 }
f7341ff4
FB		 5225 *q = NULL;
5226
da94d263 5227 for (gp = guest_envp, q = envp; gp;
992f48a0 5228 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5229 if (get_user_ual(addr, gp))
5230 goto execve_efault;
53a5960a
PB		 5231 if (!addr)
5232 break;
2f619698
FB		 5233 if (!(*q = lock_user_string(addr)))
5234 goto execve_efault;
a6f79cc9 5235 total_size += strlen(*q) + 1;
53a5960a 5236 }
f7341ff4 5237 *q = NULL;
7854b056 5238
a6f79cc9
UH		 5239 /* This case will not be caught by the host's execve() if its
5240 page size is bigger than the target's. */
5241 if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
5242 ret = -TARGET_E2BIG;
5243 goto execve_end;
5244 }
2f619698
FB		 5245 if (!(p = lock_user_string(arg1)))
5246 goto execve_efault;
53a5960a
PB		 5247 ret = get_errno(execve(p, argp, envp));
5248 unlock_user(p, arg1, 0);
5249
2f619698
FB		 5250 goto execve_end;
5251
5252 execve_efault:
5253 ret = -TARGET_EFAULT;
5254
5255 execve_end:
53a5960a 5256 for (gp = guest_argp, q = argp; *q;
992f48a0 5257 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5258 if (get_user_ual(addr, gp)
5259 || !addr)
5260 break;
53a5960a
PB		 5261 unlock_user(*q, addr, 0);
5262 }
5263 for (gp = guest_envp, q = envp; *q;
992f48a0 5264 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5265 if (get_user_ual(addr, gp)
5266 || !addr)
5267 break;
53a5960a
PB		 5268 unlock_user(*q, addr, 0);
5269 }
7854b056 5270 }
31e31b8a
FB		 5271 break;
5272 case TARGET_NR_chdir:
579a97f7
FB		 5273 if (!(p = lock_user_string(arg1)))
5274 goto efault;
53a5960a
PB		 5275 ret = get_errno(chdir(p));
5276 unlock_user(p, arg1, 0);
31e31b8a 5277 break;
a315a145 5278#ifdef TARGET_NR_time
31e31b8a
FB		 5279 case TARGET_NR_time:
5280 {
53a5960a
PB		 5281 time_t host_time;
5282 ret = get_errno(time(&host_time));
2f619698
FB		 5283 if (!is_error(ret)
5284 && arg1
5285 && put_user_sal(host_time, arg1))
5286 goto efault;
31e31b8a
FB		 5287 }
5288 break;
a315a145 5289#endif
31e31b8a 5290 case TARGET_NR_mknod:
579a97f7
FB		 5291 if (!(p = lock_user_string(arg1)))
5292 goto efault;
53a5960a
PB		 5293 ret = get_errno(mknod(p, arg2, arg3));
5294 unlock_user(p, arg1, 0);
31e31b8a 5295 break;
75ac37a0
TS		 5296#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
5297 case TARGET_NR_mknodat:
579a97f7
FB		 5298 if (!(p = lock_user_string(arg2)))
5299 goto efault;
5300 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
5301 unlock_user(p, arg2, 0);
75ac37a0
TS		 5302 break;
5303#endif
31e31b8a 5304 case TARGET_NR_chmod:
579a97f7
FB		 5305 if (!(p = lock_user_string(arg1)))
5306 goto efault;
53a5960a
PB		 5307 ret = get_errno(chmod(p, arg2));
5308 unlock_user(p, arg1, 0);
31e31b8a 5309 break;
ebc05488 5310#ifdef TARGET_NR_break
31e31b8a
FB		 5311 case TARGET_NR_break:
5312 goto unimplemented;
ebc05488
FB		 5313#endif
5314#ifdef TARGET_NR_oldstat
31e31b8a
FB		 5315 case TARGET_NR_oldstat:
5316 goto unimplemented;
ebc05488 5317#endif
31e31b8a
FB		 5318 case TARGET_NR_lseek:
5319 ret = get_errno(lseek(arg1, arg2, arg3));
5320 break;
9231733a
RH		 5321#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5322 /* Alpha specific */
7a3148a9 5323 case TARGET_NR_getxpid:
9231733a
RH		 5324 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
5325 ret = get_errno(getpid());
5326 break;
7a3148a9 5327#endif
9231733a
RH		 5328#ifdef TARGET_NR_getpid
5329 case TARGET_NR_getpid:
31e31b8a
FB		 5330 ret = get_errno(getpid());
5331 break;
9231733a 5332#endif
31e31b8a 5333 case TARGET_NR_mount:
80265918
TS		 5334 {
5335 /* need to look at the data field */
5336 void *p2, *p3;
5337 p = lock_user_string(arg1);
5338 p2 = lock_user_string(arg2);
5339 p3 = lock_user_string(arg3);
579a97f7
FB		 5340 if (!p || !p2 || !p3)
5341 ret = -TARGET_EFAULT;
dab46405 5342 else {
579a97f7
FB		 5343 /* FIXME - arg5 should be locked, but it isn't clear how to
5344 * do that since it's not guaranteed to be a NULL-terminated
5345 * string.
5346 */
dab46405
JSM		 5347 if ( ! arg5 )
5348 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
5349 else
5350 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
5351 }
579a97f7
FB		 5352 unlock_user(p, arg1, 0);
5353 unlock_user(p2, arg2, 0);
5354 unlock_user(p3, arg3, 0);
80265918
TS		 5355 break;
5356 }
e5febef5 5357#ifdef TARGET_NR_umount
31e31b8a 5358 case TARGET_NR_umount:
579a97f7
FB		 5359 if (!(p = lock_user_string(arg1)))
5360 goto efault;
53a5960a
PB		 5361 ret = get_errno(umount(p));
5362 unlock_user(p, arg1, 0);
31e31b8a 5363 break;
e5febef5 5364#endif
7a3148a9 5365#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 5366 case TARGET_NR_stime:
5367 {
53a5960a 5368 time_t host_time;
2f619698
FB		 5369 if (get_user_sal(host_time, arg1))
5370 goto efault;
53a5960a 5371 ret = get_errno(stime(&host_time));
31e31b8a
FB		 5372 }
5373 break;
7a3148a9 5374#endif
31e31b8a
FB		 5375 case TARGET_NR_ptrace:
5376 goto unimplemented;
7a3148a9 5377#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 5378 case TARGET_NR_alarm:
5379 ret = alarm(arg1);
5380 break;
7a3148a9 5381#endif
ebc05488 5382#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 5383 case TARGET_NR_oldfstat:
5384 goto unimplemented;
ebc05488 5385#endif
7a3148a9 5386#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 5387 case TARGET_NR_pause:
5388 ret = get_errno(pause());
5389 break;
7a3148a9 5390#endif
e5febef5 5391#ifdef TARGET_NR_utime
31e31b8a 5392 case TARGET_NR_utime:
ebc05488 5393 {
53a5960a
PB		 5394 struct utimbuf tbuf, *host_tbuf;
5395 struct target_utimbuf *target_tbuf;
5396 if (arg2) {
579a97f7
FB		 5397 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
5398 goto efault;
cbb21eed
MB		 5399 tbuf.actime = tswapal(target_tbuf->actime);
5400 tbuf.modtime = tswapal(target_tbuf->modtime);
53a5960a
PB		 5401 unlock_user_struct(target_tbuf, arg2, 0);
5402 host_tbuf = &tbuf;
f72e8ff4 5403 } else {
53a5960a 5404 host_tbuf = NULL;
f72e8ff4 5405 }
579a97f7
FB		 5406 if (!(p = lock_user_string(arg1)))
5407 goto efault;
53a5960a
PB		 5408 ret = get_errno(utime(p, host_tbuf));
5409 unlock_user(p, arg1, 0);
ebc05488
FB		 5410 }
5411 break;
e5febef5 5412#endif
978a66ff
FB		 5413 case TARGET_NR_utimes:
5414 {
978a66ff 5415 struct timeval *tvp, tv[2];
53a5960a 5416 if (arg2) {
788f5ec4
TS		 5417 if (copy_from_user_timeval(&tv[0], arg2)
5418 || copy_from_user_timeval(&tv[1],
5419 arg2 + sizeof(struct target_timeval)))
5420 goto efault;
978a66ff
FB		 5421 tvp = tv;
5422 } else {
5423 tvp = NULL;
5424 }
579a97f7
FB		 5425 if (!(p = lock_user_string(arg1)))
5426 goto efault;
53a5960a
PB		 5427 ret = get_errno(utimes(p, tvp));
5428 unlock_user(p, arg1, 0);
978a66ff
FB		 5429 }
5430 break;
ac8a6556
AZ		 5431#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
5432 case TARGET_NR_futimesat:
5433 {
5434 struct timeval *tvp, tv[2];
5435 if (arg3) {
5436 if (copy_from_user_timeval(&tv[0], arg3)
5437 || copy_from_user_timeval(&tv[1],
5438 arg3 + sizeof(struct target_timeval)))
5439 goto efault;
5440 tvp = tv;
5441 } else {
5442 tvp = NULL;
5443 }
5444 if (!(p = lock_user_string(arg2)))
5445 goto efault;
5446 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
5447 unlock_user(p, arg2, 0);
5448 }
5449 break;
5450#endif
ebc05488 5451#ifdef TARGET_NR_stty
31e31b8a
FB		 5452 case TARGET_NR_stty:
5453 goto unimplemented;
ebc05488
FB		 5454#endif
5455#ifdef TARGET_NR_gtty
31e31b8a
FB		 5456 case TARGET_NR_gtty:
5457 goto unimplemented;
ebc05488 5458#endif
31e31b8a 5459 case TARGET_NR_access:
579a97f7
FB		 5460 if (!(p = lock_user_string(arg1)))
5461 goto efault;
719f908e 5462 ret = get_errno(access(path(p), arg2));
53a5960a 5463 unlock_user(p, arg1, 0);
31e31b8a 5464 break;
92a34c10
TS		 5465#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5466 case TARGET_NR_faccessat:
579a97f7
FB		 5467 if (!(p = lock_user_string(arg2)))
5468 goto efault;
465c9f06 5469 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 5470 unlock_user(p, arg2, 0);
92a34c10
TS		 5471 break;
5472#endif
7a3148a9 5473#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 5474 case TARGET_NR_nice:
5475 ret = get_errno(nice(arg1));
5476 break;
7a3148a9 5477#endif
ebc05488 5478#ifdef TARGET_NR_ftime
31e31b8a
FB		 5479 case TARGET_NR_ftime:
5480 goto unimplemented;
ebc05488 5481#endif
31e31b8a 5482 case TARGET_NR_sync:
04369ff2
FB		 5483 sync();
5484 ret = 0;
31e31b8a
FB		 5485 break;
5486 case TARGET_NR_kill:
4cb05961 5487 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 5488 break;
5489 case TARGET_NR_rename:
53a5960a
PB		 5490 {
5491 void *p2;
5492 p = lock_user_string(arg1);
5493 p2 = lock_user_string(arg2);
579a97f7
FB		 5494 if (!p || !p2)
5495 ret = -TARGET_EFAULT;
5496 else
5497 ret = get_errno(rename(p, p2));
53a5960a
PB		 5498 unlock_user(p2, arg2, 0);
5499 unlock_user(p, arg1, 0);
5500 }
31e31b8a 5501 break;
722183f6
TS		 5502#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
5503 case TARGET_NR_renameat:
722183f6 5504 {
579a97f7 5505 void *p2;
722183f6
TS		 5506 p = lock_user_string(arg2);
5507 p2 = lock_user_string(arg4);
579a97f7 5508 if (!p || !p2)
0da46a6e 5509 ret = -TARGET_EFAULT;
722183f6
TS		 5510 else
5511 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 5512 unlock_user(p2, arg4, 0);
5513 unlock_user(p, arg2, 0);
722183f6
TS		 5514 }
5515 break;
5516#endif
31e31b8a 5517 case TARGET_NR_mkdir:
579a97f7
FB		 5518 if (!(p = lock_user_string(arg1)))
5519 goto efault;
53a5960a
PB		 5520 ret = get_errno(mkdir(p, arg2));
5521 unlock_user(p, arg1, 0);
31e31b8a 5522 break;
4472ad0d
TS		 5523#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
5524 case TARGET_NR_mkdirat:
579a97f7
FB		 5525 if (!(p = lock_user_string(arg2)))
5526 goto efault;
5527 ret = get_errno(sys_mkdirat(arg1, p, arg3));
5528 unlock_user(p, arg2, 0);
4472ad0d
TS		 5529 break;
5530#endif
31e31b8a 5531 case TARGET_NR_rmdir:
579a97f7
FB		 5532 if (!(p = lock_user_string(arg1)))
5533 goto efault;
53a5960a
PB		 5534 ret = get_errno(rmdir(p));
5535 unlock_user(p, arg1, 0);
31e31b8a
FB		 5536 break;
5537 case TARGET_NR_dup:
5538 ret = get_errno(dup(arg1));
5539 break;
5540 case TARGET_NR_pipe:
fb41a66e 5541 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f
RV		 5542 break;
5543#ifdef TARGET_NR_pipe2
5544 case TARGET_NR_pipe2:
fb41a66e 5545 ret = do_pipe(cpu_env, arg1, arg2, 1);
31e31b8a 5546 break;
099d6b0f 5547#endif
31e31b8a 5548 case TARGET_NR_times:
32f36bce 5549 {
53a5960a 5550 struct target_tms *tmsp;
32f36bce
FB		 5551 struct tms tms;
5552 ret = get_errno(times(&tms));
53a5960a 5553 if (arg1) {
579a97f7
FB		 5554 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
5555 if (!tmsp)
5556 goto efault;
cbb21eed
MB		 5557 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
5558 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
5559 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
5560 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
32f36bce 5561 }
c596ed17
FB		 5562 if (!is_error(ret))
5563 ret = host_to_target_clock_t(ret);
32f36bce
FB		 5564 }
5565 break;
ebc05488 5566#ifdef TARGET_NR_prof
31e31b8a
FB		 5567 case TARGET_NR_prof:
5568 goto unimplemented;
ebc05488 5569#endif
e5febef5 5570#ifdef TARGET_NR_signal
31e31b8a
FB		 5571 case TARGET_NR_signal:
5572 goto unimplemented;
e5febef5 5573#endif
31e31b8a 5574 case TARGET_NR_acct:
38d840e6
AJ		 5575 if (arg1 == 0) {
5576 ret = get_errno(acct(NULL));
5577 } else {
5578 if (!(p = lock_user_string(arg1)))
5579 goto efault;
5580 ret = get_errno(acct(path(p)));
5581 unlock_user(p, arg1, 0);
5582 }
24836689 5583 break;
7a3148a9 5584#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 5585 case TARGET_NR_umount2:
579a97f7
FB		 5586 if (!(p = lock_user_string(arg1)))
5587 goto efault;
53a5960a
PB		 5588 ret = get_errno(umount2(p, arg2));
5589 unlock_user(p, arg1, 0);
31e31b8a 5590 break;
7a3148a9 5591#endif
ebc05488 5592#ifdef TARGET_NR_lock
31e31b8a
FB		 5593 case TARGET_NR_lock:
5594 goto unimplemented;
ebc05488 5595#endif
31e31b8a
FB		 5596 case TARGET_NR_ioctl:
5597 ret = do_ioctl(arg1, arg2, arg3);
5598 break;
5599 case TARGET_NR_fcntl:
9ee1fa2c 5600 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 5601 break;
ebc05488 5602#ifdef TARGET_NR_mpx
31e31b8a
FB		 5603 case TARGET_NR_mpx:
5604 goto unimplemented;
ebc05488 5605#endif
31e31b8a
FB		 5606 case TARGET_NR_setpgid:
5607 ret = get_errno(setpgid(arg1, arg2));
5608 break;
ebc05488 5609#ifdef TARGET_NR_ulimit
31e31b8a
FB		 5610 case TARGET_NR_ulimit:
5611 goto unimplemented;
ebc05488
FB		 5612#endif
5613#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 5614 case TARGET_NR_oldolduname:
5615 goto unimplemented;
ebc05488 5616#endif
31e31b8a
FB		 5617 case TARGET_NR_umask:
5618 ret = get_errno(umask(arg1));
5619 break;
5620 case TARGET_NR_chroot:
579a97f7
FB		 5621 if (!(p = lock_user_string(arg1)))
5622 goto efault;
53a5960a
PB		 5623 ret = get_errno(chroot(p));
5624 unlock_user(p, arg1, 0);
31e31b8a
FB		 5625 break;
5626 case TARGET_NR_ustat:
5627 goto unimplemented;
5628 case TARGET_NR_dup2:
5629 ret = get_errno(dup2(arg1, arg2));
5630 break;
d0927938
UH		 5631#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5632 case TARGET_NR_dup3:
5633 ret = get_errno(dup3(arg1, arg2, arg3));
5634 break;
5635#endif
7a3148a9 5636#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 5637 case TARGET_NR_getppid:
5638 ret = get_errno(getppid());
5639 break;
7a3148a9 5640#endif
31e31b8a
FB		 5641 case TARGET_NR_getpgrp:
5642 ret = get_errno(getpgrp());
5643 break;
5644 case TARGET_NR_setsid:
5645 ret = get_errno(setsid());
5646 break;
e5febef5 5647#ifdef TARGET_NR_sigaction
31e31b8a 5648 case TARGET_NR_sigaction:
31e31b8a 5649 {
6049f4f8
RH		 5650#if defined(TARGET_ALPHA)
5651 struct target_sigaction act, oact, *pact = 0;
53a5960a 5652 struct target_old_sigaction *old_act;
53a5960a 5653 if (arg2) {
579a97f7
FB		 5654 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5655 goto efault;
66fb9763
FB		 5656 act._sa_handler = old_act->_sa_handler;
5657 target_siginitset(&act.sa_mask, old_act->sa_mask);
5658 act.sa_flags = old_act->sa_flags;
6049f4f8 5659 act.sa_restorer = 0;
53a5960a 5660 unlock_user_struct(old_act, arg2, 0);
66fb9763 5661 pact = &act;
66fb9763
FB		 5662 }
5663 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 5664 if (!is_error(ret) && arg3) {
579a97f7
FB		 5665 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5666 goto efault;
53a5960a
PB		 5667 old_act->_sa_handler = oact._sa_handler;
5668 old_act->sa_mask = oact.sa_mask.sig[0];
5669 old_act->sa_flags = oact.sa_flags;
53a5960a 5670 unlock_user_struct(old_act, arg3, 1);
66fb9763 5671 }
6049f4f8 5672#elif defined(TARGET_MIPS)
106ec879
FB		 5673 struct target_sigaction act, oact, *pact, *old_act;
5674
5675 if (arg2) {
579a97f7
FB		 5676 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5677 goto efault;
106ec879
FB		 5678 act._sa_handler = old_act->_sa_handler;
5679 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
5680 act.sa_flags = old_act->sa_flags;
5681 unlock_user_struct(old_act, arg2, 0);
5682 pact = &act;
5683 } else {
5684 pact = NULL;
5685 }
5686
5687 ret = get_errno(do_sigaction(arg1, pact, &oact));
5688
5689 if (!is_error(ret) && arg3) {
579a97f7
FB		 5690 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5691 goto efault;
106ec879
FB		 5692 old_act->_sa_handler = oact._sa_handler;
5693 old_act->sa_flags = oact.sa_flags;
5694 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
5695 old_act->sa_mask.sig[1] = 0;
5696 old_act->sa_mask.sig[2] = 0;
5697 old_act->sa_mask.sig[3] = 0;
5698 unlock_user_struct(old_act, arg3, 1);
5699 }
6049f4f8
RH		 5700#else
5701 struct target_old_sigaction *old_act;
5702 struct target_sigaction act, oact, *pact;
5703 if (arg2) {
5704 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5705 goto efault;
5706 act._sa_handler = old_act->_sa_handler;
5707 target_siginitset(&act.sa_mask, old_act->sa_mask);
5708 act.sa_flags = old_act->sa_flags;
5709 act.sa_restorer = old_act->sa_restorer;
5710 unlock_user_struct(old_act, arg2, 0);
5711 pact = &act;
5712 } else {
5713 pact = NULL;
5714 }
5715 ret = get_errno(do_sigaction(arg1, pact, &oact));
5716 if (!is_error(ret) && arg3) {
5717 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5718 goto efault;
5719 old_act->_sa_handler = oact._sa_handler;
5720 old_act->sa_mask = oact.sa_mask.sig[0];
5721 old_act->sa_flags = oact.sa_flags;
5722 old_act->sa_restorer = oact.sa_restorer;
5723 unlock_user_struct(old_act, arg3, 1);
5724 }
388bb21a 5725#endif
31e31b8a
FB		 5726 }
5727 break;
e5febef5 5728#endif
66fb9763 5729 case TARGET_NR_rt_sigaction:
53a5960a 5730 {
6049f4f8
RH		 5731#if defined(TARGET_ALPHA)
5732 struct target_sigaction act, oact, *pact = 0;
5733 struct target_rt_sigaction *rt_act;
5734 /* ??? arg4 == sizeof(sigset_t). */
5735 if (arg2) {
5736 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
5737 goto efault;
5738 act._sa_handler = rt_act->_sa_handler;
5739 act.sa_mask = rt_act->sa_mask;
5740 act.sa_flags = rt_act->sa_flags;
5741 act.sa_restorer = arg5;
5742 unlock_user_struct(rt_act, arg2, 0);
5743 pact = &act;
5744 }
5745 ret = get_errno(do_sigaction(arg1, pact, &oact));
5746 if (!is_error(ret) && arg3) {
5747 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
5748 goto efault;
5749 rt_act->_sa_handler = oact._sa_handler;
5750 rt_act->sa_mask = oact.sa_mask;
5751 rt_act->sa_flags = oact.sa_flags;
5752 unlock_user_struct(rt_act, arg3, 1);
5753 }
5754#else
53a5960a
PB		 5755 struct target_sigaction *act;
5756 struct target_sigaction *oact;
5757
579a97f7
FB		 5758 if (arg2) {
5759 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
5760 goto efault;
5761 } else
53a5960a 5762 act = NULL;
579a97f7
FB		 5763 if (arg3) {
5764 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
5765 ret = -TARGET_EFAULT;
5766 goto rt_sigaction_fail;
5767 }
5768 } else
53a5960a
PB		 5769 oact = NULL;
5770 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 5771 rt_sigaction_fail:
5772 if (act)
53a5960a 5773 unlock_user_struct(act, arg2, 0);
579a97f7 5774 if (oact)
53a5960a 5775 unlock_user_struct(oact, arg3, 1);
6049f4f8 5776#endif
53a5960a 5777 }
66fb9763 5778 break;
7a3148a9 5779#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 5780 case TARGET_NR_sgetmask:
66fb9763
FB		 5781 {
5782 sigset_t cur_set;
992f48a0 5783 abi_ulong target_set;
66fb9763
FB		 5784 sigprocmask(0, NULL, &cur_set);
5785 host_to_target_old_sigset(&target_set, &cur_set);
5786 ret = target_set;
5787 }
5788 break;
7a3148a9
JM		 5789#endif
5790#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 5791 case TARGET_NR_ssetmask:
66fb9763
FB		 5792 {
5793 sigset_t set, oset, cur_set;
992f48a0 5794 abi_ulong target_set = arg1;
66fb9763
FB		 5795 sigprocmask(0, NULL, &cur_set);
5796 target_to_host_old_sigset(&set, &target_set);
5797 sigorset(&set, &set, &cur_set);
5798 sigprocmask(SIG_SETMASK, &set, &oset);
5799 host_to_target_old_sigset(&target_set, &oset);
5800 ret = target_set;
5801 }
5802 break;
7a3148a9 5803#endif
e5febef5 5804#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 5805 case TARGET_NR_sigprocmask:
5806 {
a5b3b13b
RH		 5807#if defined(TARGET_ALPHA)
5808 sigset_t set, oldset;
5809 abi_ulong mask;
5810 int how;
5811
5812 switch (arg1) {
5813 case TARGET_SIG_BLOCK:
5814 how = SIG_BLOCK;
5815 break;
5816 case TARGET_SIG_UNBLOCK:
5817 how = SIG_UNBLOCK;
5818 break;
5819 case TARGET_SIG_SETMASK:
5820 how = SIG_SETMASK;
5821 break;
5822 default:
5823 ret = -TARGET_EINVAL;
5824 goto fail;
5825 }
5826 mask = arg2;
5827 target_to_host_old_sigset(&set, &mask);
5828
5829 ret = get_errno(sigprocmask(how, &set, &oldset));
5830
5831 if (!is_error(ret)) {
5832 host_to_target_old_sigset(&mask, &oldset);
5833 ret = mask;
5834 ((CPUAlphaState *)cpu_env)->[IR_V0] = 0; /* force no error */
5835 }
5836#else
66fb9763 5837 sigset_t set, oldset, *set_ptr;
a5b3b13b 5838 int how;
3b46e624 5839
53a5960a 5840 if (arg2) {
a5b3b13b 5841 switch (arg1) {
66fb9763
FB		 5842 case TARGET_SIG_BLOCK:
5843 how = SIG_BLOCK;
5844 break;
5845 case TARGET_SIG_UNBLOCK:
5846 how = SIG_UNBLOCK;
5847 break;
5848 case TARGET_SIG_SETMASK:
5849 how = SIG_SETMASK;
5850 break;
5851 default:
0da46a6e 5852 ret = -TARGET_EINVAL;
66fb9763
FB		 5853 goto fail;
5854 }
c227f099 5855 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5856 goto efault;
53a5960a
PB		 5857 target_to_host_old_sigset(&set, p);
5858 unlock_user(p, arg2, 0);
66fb9763
FB		 5859 set_ptr = &set;
5860 } else {
5861 how = 0;
5862 set_ptr = NULL;
5863 }
a5b3b13b 5864 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5865 if (!is_error(ret) && arg3) {
c227f099 5866 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5867 goto efault;
53a5960a 5868 host_to_target_old_sigset(p, &oldset);
c227f099 5869 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 5870 }
a5b3b13b 5871#endif
66fb9763
FB		 5872 }
5873 break;
e5febef5 5874#endif
66fb9763
FB		 5875 case TARGET_NR_rt_sigprocmask:
5876 {
5877 int how = arg1;
5878 sigset_t set, oldset, *set_ptr;
3b46e624 5879
53a5960a 5880 if (arg2) {
66fb9763
FB		 5881 switch(how) {
5882 case TARGET_SIG_BLOCK:
5883 how = SIG_BLOCK;
5884 break;
5885 case TARGET_SIG_UNBLOCK:
5886 how = SIG_UNBLOCK;
5887 break;
5888 case TARGET_SIG_SETMASK:
5889 how = SIG_SETMASK;
5890 break;
5891 default:
0da46a6e 5892 ret = -TARGET_EINVAL;
66fb9763
FB		 5893 goto fail;
5894 }
c227f099 5895 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5896 goto efault;
53a5960a
PB		 5897 target_to_host_sigset(&set, p);
5898 unlock_user(p, arg2, 0);
66fb9763
FB		 5899 set_ptr = &set;
5900 } else {
5901 how = 0;
5902 set_ptr = NULL;
5903 }
5904 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5905 if (!is_error(ret) && arg3) {
c227f099 5906 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5907 goto efault;
53a5960a 5908 host_to_target_sigset(p, &oldset);
c227f099 5909 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 5910 }
5911 }
5912 break;
e5febef5 5913#ifdef TARGET_NR_sigpending
66fb9763
FB		 5914 case TARGET_NR_sigpending:
5915 {
5916 sigset_t set;
5917 ret = get_errno(sigpending(&set));
5918 if (!is_error(ret)) {
c227f099 5919 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5920 goto efault;
53a5960a 5921 host_to_target_old_sigset(p, &set);
c227f099 5922 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5923 }
5924 }
5925 break;
e5febef5 5926#endif
66fb9763
FB		 5927 case TARGET_NR_rt_sigpending:
5928 {
5929 sigset_t set;
5930 ret = get_errno(sigpending(&set));
5931 if (!is_error(ret)) {
c227f099 5932 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5933 goto efault;
53a5960a 5934 host_to_target_sigset(p, &set);
c227f099 5935 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5936 }
5937 }
5938 break;
e5febef5 5939#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 5940 case TARGET_NR_sigsuspend:
5941 {
5942 sigset_t set;
f43ce12b
RH		 5943#if defined(TARGET_ALPHA)
5944 abi_ulong mask = arg1;
5945 target_to_host_old_sigset(&set, &mask);
5946#else
c227f099 5947 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5948 goto efault;
53a5960a
PB		 5949 target_to_host_old_sigset(&set, p);
5950 unlock_user(p, arg1, 0);
f43ce12b 5951#endif
66fb9763
FB		 5952 ret = get_errno(sigsuspend(&set));
5953 }
5954 break;
e5febef5 5955#endif
66fb9763
FB		 5956 case TARGET_NR_rt_sigsuspend:
5957 {
5958 sigset_t set;
c227f099 5959 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5960 goto efault;
53a5960a
PB		 5961 target_to_host_sigset(&set, p);
5962 unlock_user(p, arg1, 0);
66fb9763
FB		 5963 ret = get_errno(sigsuspend(&set));
5964 }
5965 break;
5966 case TARGET_NR_rt_sigtimedwait:
5967 {
66fb9763
FB		 5968 sigset_t set;
5969 struct timespec uts, *puts;
5970 siginfo_t uinfo;
3b46e624 5971
c227f099 5972 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5973 goto efault;
53a5960a
PB		 5974 target_to_host_sigset(&set, p);
5975 unlock_user(p, arg1, 0);
5976 if (arg3) {
66fb9763 5977 puts = &uts;
53a5960a 5978 target_to_host_timespec(puts, arg3);
66fb9763
FB		 5979 } else {
5980 puts = NULL;
5981 }
5982 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 5983 if (!is_error(ret) && arg2) {
c227f099 5984 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 5985 goto efault;
53a5960a 5986 host_to_target_siginfo(p, &uinfo);
c227f099 5987 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 5988 }
5989 }
5990 break;
5991 case TARGET_NR_rt_sigqueueinfo:
5992 {
5993 siginfo_t uinfo;
c227f099 5994 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 5995 goto efault;
53a5960a
PB		 5996 target_to_host_siginfo(&uinfo, p);
5997 unlock_user(p, arg1, 0);
66fb9763
FB		 5998 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5999 }
6000 break;
e5febef5 6001#ifdef TARGET_NR_sigreturn
66fb9763
FB		 6002 case TARGET_NR_sigreturn:
6003 /* NOTE: ret is eax, so not transcoding must be done */
6004 ret = do_sigreturn(cpu_env);
6005 break;
e5febef5 6006#endif
66fb9763
FB		 6007 case TARGET_NR_rt_sigreturn:
6008 /* NOTE: ret is eax, so not transcoding must be done */
6009 ret = do_rt_sigreturn(cpu_env);
6010 break;
31e31b8a 6011 case TARGET_NR_sethostname:
579a97f7
FB		 6012 if (!(p = lock_user_string(arg1)))
6013 goto efault;
53a5960a
PB		 6014 ret = get_errno(sethostname(p, arg2));
6015 unlock_user(p, arg1, 0);
31e31b8a
FB		 6016 break;
6017 case TARGET_NR_setrlimit:
9de5e440 6018 {
e22b7015 6019 int resource = target_to_host_resource(arg1);
53a5960a 6020 struct target_rlimit *target_rlim;
9de5e440 6021 struct rlimit rlim;
579a97f7
FB		 6022 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
6023 goto efault;
81bbe906
TY		 6024 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
6025 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 6026 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 6027 ret = get_errno(setrlimit(resource, &rlim));
6028 }
6029 break;
31e31b8a 6030 case TARGET_NR_getrlimit:
9de5e440 6031 {
e22b7015 6032 int resource = target_to_host_resource(arg1);
53a5960a 6033 struct target_rlimit *target_rlim;
9de5e440 6034 struct rlimit rlim;
3b46e624 6035
9de5e440
FB		 6036 ret = get_errno(getrlimit(resource, &rlim));
6037 if (!is_error(ret)) {
579a97f7
FB		 6038 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6039 goto efault;
81bbe906
TY		 6040 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6041 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 6042 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 6043 }
6044 }
6045 break;
31e31b8a 6046 case TARGET_NR_getrusage:
b409186b
FB		 6047 {
6048 struct rusage rusage;
b409186b
FB		 6049 ret = get_errno(getrusage(arg1, &rusage));
6050 if (!is_error(ret)) {
53a5960a 6051 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 6052 }
6053 }
6054 break;
31e31b8a
FB		 6055 case TARGET_NR_gettimeofday:
6056 {
31e31b8a
FB		 6057 struct timeval tv;
6058 ret = get_errno(gettimeofday(&tv, NULL));
6059 if (!is_error(ret)) {
788f5ec4
TS		 6060 if (copy_to_user_timeval(arg1, &tv))
6061 goto efault;
31e31b8a
FB		 6062 }
6063 }
6064 break;
6065 case TARGET_NR_settimeofday:
6066 {
31e31b8a 6067 struct timeval tv;
788f5ec4
TS		 6068 if (copy_from_user_timeval(&tv, arg1))
6069 goto efault;
31e31b8a
FB		 6070 ret = get_errno(settimeofday(&tv, NULL));
6071 }
6072 break;
a4c075f1 6073#if defined(TARGET_NR_select) && !defined(TARGET_S390X) && !defined(TARGET_S390)
31e31b8a 6074 case TARGET_NR_select:
f2674e31 6075 {
53a5960a 6076 struct target_sel_arg_struct *sel;
992f48a0 6077 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 6078 long nsel;
6079
579a97f7
FB		 6080 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
6081 goto efault;
cbb21eed
MB		 6082 nsel = tswapal(sel->n);
6083 inp = tswapal(sel->inp);
6084 outp = tswapal(sel->outp);
6085 exp = tswapal(sel->exp);
6086 tvp = tswapal(sel->tvp);
53a5960a
PB		 6087 unlock_user_struct(sel, arg1, 0);
6088 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 6089 }
6090 break;
9e42382f
RV		 6091#endif
6092#ifdef TARGET_NR_pselect6
6093 case TARGET_NR_pselect6:
055e0906
MF		 6094 {
6095 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
6096 fd_set rfds, wfds, efds;
6097 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
6098 struct timespec ts, *ts_ptr;
6099
6100 /*
6101 * The 6th arg is actually two args smashed together,
6102 * so we cannot use the C library.
6103 */
6104 sigset_t set;
6105 struct {
6106 sigset_t *set;
6107 size_t size;
6108 } sig, *sig_ptr;
6109
6110 abi_ulong arg_sigset, arg_sigsize, *arg7;
6111 target_sigset_t *target_sigset;
6112
6113 n = arg1;
6114 rfd_addr = arg2;
6115 wfd_addr = arg3;
6116 efd_addr = arg4;
6117 ts_addr = arg5;
6118
6119 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
6120 if (ret) {
6121 goto fail;
6122 }
6123 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
6124 if (ret) {
6125 goto fail;
6126 }
6127 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
6128 if (ret) {
6129 goto fail;
6130 }
6131
6132 /*
6133 * This takes a timespec, and not a timeval, so we cannot
6134 * use the do_select() helper ...
6135 */
6136 if (ts_addr) {
6137 if (target_to_host_timespec(&ts, ts_addr)) {
6138 goto efault;
6139 }
6140 ts_ptr = &ts;
6141 } else {
6142 ts_ptr = NULL;
6143 }
6144
6145 /* Extract the two packed args for the sigset */
6146 if (arg6) {
6147 sig_ptr = &sig;
6148 sig.size = _NSIG / 8;
6149
6150 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
6151 if (!arg7) {
6152 goto efault;
6153 }
cbb21eed
MB		 6154 arg_sigset = tswapal(arg7[0]);
6155 arg_sigsize = tswapal(arg7[1]);
055e0906
MF		 6156 unlock_user(arg7, arg6, 0);
6157
6158 if (arg_sigset) {
6159 sig.set = &set;
8f04eeb3
PM		 6160 if (arg_sigsize != sizeof(*target_sigset)) {
6161 /* Like the kernel, we enforce correct size sigsets */
6162 ret = -TARGET_EINVAL;
6163 goto fail;
6164 }
055e0906
MF		 6165 target_sigset = lock_user(VERIFY_READ, arg_sigset,
6166 sizeof(*target_sigset), 1);
6167 if (!target_sigset) {
6168 goto efault;
6169 }
6170 target_to_host_sigset(&set, target_sigset);
6171 unlock_user(target_sigset, arg_sigset, 0);
6172 } else {
6173 sig.set = NULL;
6174 }
6175 } else {
6176 sig_ptr = NULL;
6177 }
6178
6179 ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
6180 ts_ptr, sig_ptr));
6181
6182 if (!is_error(ret)) {
6183 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
6184 goto efault;
6185 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
6186 goto efault;
6187 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
6188 goto efault;
6189
6190 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
6191 goto efault;
6192 }
6193 }
6194 break;
048f6b4d 6195#endif
31e31b8a 6196 case TARGET_NR_symlink:
53a5960a
PB		 6197 {
6198 void *p2;
6199 p = lock_user_string(arg1);
6200 p2 = lock_user_string(arg2);
579a97f7
FB		 6201 if (!p || !p2)
6202 ret = -TARGET_EFAULT;
6203 else
6204 ret = get_errno(symlink(p, p2));
53a5960a
PB		 6205 unlock_user(p2, arg2, 0);
6206 unlock_user(p, arg1, 0);
6207 }
31e31b8a 6208 break;
f0b6243d
TS		 6209#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
6210 case TARGET_NR_symlinkat:
f0b6243d 6211 {
579a97f7 6212 void *p2;
f0b6243d
TS		 6213 p = lock_user_string(arg1);
6214 p2 = lock_user_string(arg3);
579a97f7 6215 if (!p || !p2)
0da46a6e 6216 ret = -TARGET_EFAULT;
f0b6243d
TS		 6217 else
6218 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 6219 unlock_user(p2, arg3, 0);
6220 unlock_user(p, arg1, 0);
f0b6243d
TS		 6221 }
6222 break;
6223#endif
ebc05488 6224#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 6225 case TARGET_NR_oldlstat:
6226 goto unimplemented;
ebc05488 6227#endif
31e31b8a 6228 case TARGET_NR_readlink:
53a5960a 6229 {
d088d664 6230 void *p2, *temp;
53a5960a 6231 p = lock_user_string(arg1);
579a97f7
FB		 6232 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
6233 if (!p || !p2)
6234 ret = -TARGET_EFAULT;
d088d664
AJ		 6235 else {
6236 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
6237 char real[PATH_MAX];
6238 temp = realpath(exec_path,real);
6239 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
6240 snprintf((char *)p2, arg3, "%s", real);
6241 }
6242 else
6243 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 6244 }
53a5960a
PB		 6245 unlock_user(p2, arg2, ret);
6246 unlock_user(p, arg1, 0);
6247 }
31e31b8a 6248 break;
5e0ccb18
TS		 6249#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
6250 case TARGET_NR_readlinkat:
5e0ccb18 6251 {
579a97f7 6252 void *p2;
5e0ccb18 6253 p = lock_user_string(arg2);
579a97f7
FB		 6254 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
6255 if (!p || !p2)
0da46a6e 6256 ret = -TARGET_EFAULT;
5e0ccb18
TS		 6257 else
6258 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 6259 unlock_user(p2, arg3, ret);
6260 unlock_user(p, arg2, 0);
5e0ccb18
TS		 6261 }
6262 break;
6263#endif
e5febef5 6264#ifdef TARGET_NR_uselib
31e31b8a
FB		 6265 case TARGET_NR_uselib:
6266 goto unimplemented;
e5febef5
TS		 6267#endif
6268#ifdef TARGET_NR_swapon
31e31b8a 6269 case TARGET_NR_swapon:
579a97f7
FB		 6270 if (!(p = lock_user_string(arg1)))
6271 goto efault;
53a5960a
PB		 6272 ret = get_errno(swapon(p, arg2));
6273 unlock_user(p, arg1, 0);
31e31b8a 6274 break;
e5febef5 6275#endif
31e31b8a 6276 case TARGET_NR_reboot:
0f6b4d21
AG		 6277 if (!(p = lock_user_string(arg4)))
6278 goto efault;
6279 ret = reboot(arg1, arg2, arg3, p);
6280 unlock_user(p, arg4, 0);
6281 break;
e5febef5 6282#ifdef TARGET_NR_readdir
31e31b8a
FB		 6283 case TARGET_NR_readdir:
6284 goto unimplemented;
e5febef5
TS		 6285#endif
6286#ifdef TARGET_NR_mmap
31e31b8a 6287 case TARGET_NR_mmap:
a4c075f1
UH		 6288#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || \
6289 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6290 || defined(TARGET_S390X)
31e31b8a 6291 {
992f48a0
BS		 6292 abi_ulong *v;
6293 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 6294 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
6295 goto efault;
cbb21eed
MB		 6296 v1 = tswapal(v[0]);
6297 v2 = tswapal(v[1]);
6298 v3 = tswapal(v[2]);
6299 v4 = tswapal(v[3]);
6300 v5 = tswapal(v[4]);
6301 v6 = tswapal(v[5]);
53a5960a 6302 unlock_user(v, arg1, 0);
5fafdf24 6303 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 6304 target_to_host_bitmask(v4, mmap_flags_tbl),
6305 v5, v6));
31e31b8a 6306 }
31e31b8a 6307#else
5fafdf24
TS		 6308 ret = get_errno(target_mmap(arg1, arg2, arg3,
6309 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 6310 arg5,
6311 arg6));
31e31b8a 6312#endif
6fb883e8 6313 break;
e5febef5 6314#endif
a315a145 6315#ifdef TARGET_NR_mmap2
6fb883e8 6316 case TARGET_NR_mmap2:
bb7ec043 6317#ifndef MMAP_SHIFT
c573ff67 6318#define MMAP_SHIFT 12
c573ff67 6319#endif
5fafdf24
TS		 6320 ret = get_errno(target_mmap(arg1, arg2, arg3,
6321 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 6322 arg5,
c573ff67 6323 arg6 << MMAP_SHIFT));
31e31b8a 6324 break;
a315a145 6325#endif
31e31b8a 6326 case TARGET_NR_munmap:
54936004 6327 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 6328 break;
9de5e440 6329 case TARGET_NR_mprotect:
97374d38 6330 {
9349b4f9 6331 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
97374d38
PB		 6332 /* Special hack to detect libc making the stack executable. */
6333 if ((arg3 & PROT_GROWSDOWN)
6334 && arg1 >= ts->info->stack_limit
6335 && arg1 <= ts->info->start_stack) {
6336 arg3 &= ~PROT_GROWSDOWN;
6337 arg2 = arg2 + arg1 - ts->info->stack_limit;
6338 arg1 = ts->info->stack_limit;
6339 }
6340 }
54936004 6341 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 6342 break;
e5febef5 6343#ifdef TARGET_NR_mremap
9de5e440 6344 case TARGET_NR_mremap:
54936004 6345 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 6346 break;
e5febef5 6347#endif
53a5960a 6348 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 6349#ifdef TARGET_NR_msync
9de5e440 6350 case TARGET_NR_msync:
53a5960a 6351 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 6352 break;
e5febef5
TS		 6353#endif
6354#ifdef TARGET_NR_mlock
9de5e440 6355 case TARGET_NR_mlock:
53a5960a 6356 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 6357 break;
e5febef5
TS		 6358#endif
6359#ifdef TARGET_NR_munlock
9de5e440 6360 case TARGET_NR_munlock:
53a5960a 6361 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 6362 break;
e5febef5
TS		 6363#endif
6364#ifdef TARGET_NR_mlockall
9de5e440
FB		 6365 case TARGET_NR_mlockall:
6366 ret = get_errno(mlockall(arg1));
6367 break;
e5febef5
TS		 6368#endif
6369#ifdef TARGET_NR_munlockall
9de5e440
FB		 6370 case TARGET_NR_munlockall:
6371 ret = get_errno(munlockall());
6372 break;
e5febef5 6373#endif
31e31b8a 6374 case TARGET_NR_truncate:
579a97f7
FB		 6375 if (!(p = lock_user_string(arg1)))
6376 goto efault;
53a5960a
PB		 6377 ret = get_errno(truncate(p, arg2));
6378 unlock_user(p, arg1, 0);
31e31b8a
FB		 6379 break;
6380 case TARGET_NR_ftruncate:
6381 ret = get_errno(ftruncate(arg1, arg2));
6382 break;
6383 case TARGET_NR_fchmod:
6384 ret = get_errno(fchmod(arg1, arg2));
6385 break;
814d7977
TS		 6386#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
6387 case TARGET_NR_fchmodat:
579a97f7
FB		 6388 if (!(p = lock_user_string(arg2)))
6389 goto efault;
465c9f06 6390 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 6391 unlock_user(p, arg2, 0);
814d7977
TS		 6392 break;
6393#endif
31e31b8a 6394 case TARGET_NR_getpriority:
c6cda17a
TS		 6395 /* libc does special remapping of the return value of
6396 * sys_getpriority() so it's just easiest to call
6397 * sys_getpriority() directly rather than through libc. */
69137206 6398 ret = get_errno(sys_getpriority(arg1, arg2));
31e31b8a
FB		 6399 break;
6400 case TARGET_NR_setpriority:
6401 ret = get_errno(setpriority(arg1, arg2, arg3));
6402 break;
ebc05488 6403#ifdef TARGET_NR_profil
31e31b8a
FB		 6404 case TARGET_NR_profil:
6405 goto unimplemented;
ebc05488 6406#endif
31e31b8a 6407 case TARGET_NR_statfs:
579a97f7
FB		 6408 if (!(p = lock_user_string(arg1)))
6409 goto efault;
53a5960a
PB		 6410 ret = get_errno(statfs(path(p), &stfs));
6411 unlock_user(p, arg1, 0);
31e31b8a
FB		 6412 convert_statfs:
6413 if (!is_error(ret)) {
53a5960a 6414 struct target_statfs *target_stfs;
3b46e624 6415
579a97f7
FB		 6416 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
6417 goto efault;
6418 __put_user(stfs.f_type, &target_stfs->f_type);
6419 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6420 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6421 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6422 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6423 __put_user(stfs.f_files, &target_stfs->f_files);
6424 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6425 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6426 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6427 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 6428 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 6429 }
6430 break;
6431 case TARGET_NR_fstatfs:
56c8f68f 6432 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 6433 goto convert_statfs;
56c8f68f
FB		 6434#ifdef TARGET_NR_statfs64
6435 case TARGET_NR_statfs64:
579a97f7
FB		 6436 if (!(p = lock_user_string(arg1)))
6437 goto efault;
53a5960a
PB		 6438 ret = get_errno(statfs(path(p), &stfs));
6439 unlock_user(p, arg1, 0);
56c8f68f
FB		 6440 convert_statfs64:
6441 if (!is_error(ret)) {
53a5960a 6442 struct target_statfs64 *target_stfs;
3b46e624 6443
579a97f7
FB		 6444 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
6445 goto efault;
6446 __put_user(stfs.f_type, &target_stfs->f_type);
6447 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6448 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6449 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6450 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6451 __put_user(stfs.f_files, &target_stfs->f_files);
6452 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6453 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6454 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6455 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
6456 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 6457 }
6458 break;
6459 case TARGET_NR_fstatfs64:
6460 ret = get_errno(fstatfs(arg1, &stfs));
6461 goto convert_statfs64;
6462#endif
ebc05488 6463#ifdef TARGET_NR_ioperm
31e31b8a
FB		 6464 case TARGET_NR_ioperm:
6465 goto unimplemented;
ebc05488 6466#endif
e5febef5 6467#ifdef TARGET_NR_socketcall
31e31b8a 6468 case TARGET_NR_socketcall:
53a5960a 6469 ret = do_socketcall(arg1, arg2);
31e31b8a 6470 break;
e5febef5 6471#endif
3532fa74
FB		 6472#ifdef TARGET_NR_accept
6473 case TARGET_NR_accept:
1be9e1dc 6474 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 6475 break;
6476#endif
6477#ifdef TARGET_NR_bind
6478 case TARGET_NR_bind:
6479 ret = do_bind(arg1, arg2, arg3);
6480 break;
6481#endif
6482#ifdef TARGET_NR_connect
6483 case TARGET_NR_connect:
6484 ret = do_connect(arg1, arg2, arg3);
6485 break;
6486#endif
6487#ifdef TARGET_NR_getpeername
6488 case TARGET_NR_getpeername:
1be9e1dc 6489 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 6490 break;
6491#endif
6492#ifdef TARGET_NR_getsockname
6493 case TARGET_NR_getsockname:
1be9e1dc 6494 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 6495 break;
6496#endif
6497#ifdef TARGET_NR_getsockopt
6498 case TARGET_NR_getsockopt:
6499 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
6500 break;
6501#endif
6502#ifdef TARGET_NR_listen
6503 case TARGET_NR_listen:
1be9e1dc 6504 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 6505 break;
6506#endif
6507#ifdef TARGET_NR_recv
6508 case TARGET_NR_recv:
214201bd 6509 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6510 break;
6511#endif
6512#ifdef TARGET_NR_recvfrom
6513 case TARGET_NR_recvfrom:
214201bd 6514 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6515 break;
6516#endif
6517#ifdef TARGET_NR_recvmsg
6518 case TARGET_NR_recvmsg:
6519 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
6520 break;
6521#endif
6522#ifdef TARGET_NR_send
6523 case TARGET_NR_send:
1be9e1dc 6524 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6525 break;
6526#endif
6527#ifdef TARGET_NR_sendmsg
6528 case TARGET_NR_sendmsg:
6529 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
6530 break;
6531#endif
6532#ifdef TARGET_NR_sendto
6533 case TARGET_NR_sendto:
1be9e1dc 6534 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6535 break;
6536#endif
6537#ifdef TARGET_NR_shutdown
6538 case TARGET_NR_shutdown:
1be9e1dc 6539 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 6540 break;
6541#endif
6542#ifdef TARGET_NR_socket
6543 case TARGET_NR_socket:
6544 ret = do_socket(arg1, arg2, arg3);
6545 break;
6546#endif
6547#ifdef TARGET_NR_socketpair
6548 case TARGET_NR_socketpair:
1be9e1dc 6549 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 6550 break;
6551#endif
6552#ifdef TARGET_NR_setsockopt
6553 case TARGET_NR_setsockopt:
6554 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
6555 break;
6556#endif
7494b0f9 6557
31e31b8a 6558 case TARGET_NR_syslog:
579a97f7
FB		 6559 if (!(p = lock_user_string(arg2)))
6560 goto efault;
e5574487
TS		 6561 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
6562 unlock_user(p, arg2, 0);
7494b0f9
TS		 6563 break;
6564
31e31b8a 6565 case TARGET_NR_setitimer:
66fb9763 6566 {
66fb9763
FB		 6567 struct itimerval value, ovalue, *pvalue;
6568
53a5960a 6569 if (arg2) {
66fb9763 6570 pvalue = &value;
788f5ec4
TS		 6571 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
6572 || copy_from_user_timeval(&pvalue->it_value,
6573 arg2 + sizeof(struct target_timeval)))
6574 goto efault;
66fb9763
FB		 6575 } else {
6576 pvalue = NULL;
6577 }
6578 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 6579 if (!is_error(ret) && arg3) {
788f5ec4
TS		 6580 if (copy_to_user_timeval(arg3,
6581 &ovalue.it_interval)
6582 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
6583 &ovalue.it_value))
6584 goto efault;
66fb9763
FB		 6585 }
6586 }
6587 break;
31e31b8a 6588 case TARGET_NR_getitimer:
66fb9763 6589 {
66fb9763 6590 struct itimerval value;
3b46e624 6591
66fb9763 6592 ret = get_errno(getitimer(arg1, &value));
53a5960a 6593 if (!is_error(ret) && arg2) {
788f5ec4
TS		 6594 if (copy_to_user_timeval(arg2,
6595 &value.it_interval)
6596 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
6597 &value.it_value))
6598 goto efault;
66fb9763
FB		 6599 }
6600 }
6601 break;
31e31b8a 6602 case TARGET_NR_stat:
579a97f7
FB		 6603 if (!(p = lock_user_string(arg1)))
6604 goto efault;
53a5960a
PB		 6605 ret = get_errno(stat(path(p), &st));
6606 unlock_user(p, arg1, 0);
31e31b8a
FB		 6607 goto do_stat;
6608 case TARGET_NR_lstat:
579a97f7
FB		 6609 if (!(p = lock_user_string(arg1)))
6610 goto efault;
53a5960a
PB		 6611 ret = get_errno(lstat(path(p), &st));
6612 unlock_user(p, arg1, 0);
31e31b8a
FB		 6613 goto do_stat;
6614 case TARGET_NR_fstat:
6615 {
6616 ret = get_errno(fstat(arg1, &st));
6617 do_stat:
6618 if (!is_error(ret)) {
53a5960a 6619 struct target_stat *target_st;
e3584658 6620
579a97f7
FB		 6621 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
6622 goto efault;
12727917 6623 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 6624 __put_user(st.st_dev, &target_st->st_dev);
6625 __put_user(st.st_ino, &target_st->st_ino);
6626 __put_user(st.st_mode, &target_st->st_mode);
6627 __put_user(st.st_uid, &target_st->st_uid);
6628 __put_user(st.st_gid, &target_st->st_gid);
6629 __put_user(st.st_nlink, &target_st->st_nlink);
6630 __put_user(st.st_rdev, &target_st->st_rdev);
6631 __put_user(st.st_size, &target_st->st_size);
6632 __put_user(st.st_blksize, &target_st->st_blksize);
6633 __put_user(st.st_blocks, &target_st->st_blocks);
6634 __put_user(st.st_atime, &target_st->target_st_atime);
6635 __put_user(st.st_mtime, &target_st->target_st_mtime);
6636 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 6637 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 6638 }
6639 }
6640 break;
ebc05488 6641#ifdef TARGET_NR_olduname
31e31b8a
FB		 6642 case TARGET_NR_olduname:
6643 goto unimplemented;
ebc05488
FB		 6644#endif
6645#ifdef TARGET_NR_iopl
31e31b8a
FB		 6646 case TARGET_NR_iopl:
6647 goto unimplemented;
ebc05488 6648#endif
31e31b8a
FB		 6649 case TARGET_NR_vhangup:
6650 ret = get_errno(vhangup());
6651 break;
ebc05488 6652#ifdef TARGET_NR_idle
31e31b8a
FB		 6653 case TARGET_NR_idle:
6654 goto unimplemented;
42ad6ae9
FB		 6655#endif
6656#ifdef TARGET_NR_syscall
6657 case TARGET_NR_syscall:
5945cfcb
PM		 6658 ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
6659 arg6, arg7, arg8, 0);
6660 break;
ebc05488 6661#endif
31e31b8a
FB		 6662 case TARGET_NR_wait4:
6663 {
6664 int status;
992f48a0 6665 abi_long status_ptr = arg2;
31e31b8a 6666 struct rusage rusage, *rusage_ptr;
992f48a0 6667 abi_ulong target_rusage = arg4;
31e31b8a
FB		 6668 if (target_rusage)
6669 rusage_ptr = &rusage;
6670 else
6671 rusage_ptr = NULL;
6672 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
6673 if (!is_error(ret)) {
5379557b 6674 if (status_ptr && ret) {
1d9d8b55 6675 status = host_to_target_waitstatus(status);
2f619698
FB		 6676 if (put_user_s32(status, status_ptr))
6677 goto efault;
31e31b8a 6678 }
2f619698
FB		 6679 if (target_rusage)
6680 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 6681 }
6682 }
6683 break;
e5febef5 6684#ifdef TARGET_NR_swapoff
31e31b8a 6685 case TARGET_NR_swapoff:
579a97f7
FB		 6686 if (!(p = lock_user_string(arg1)))
6687 goto efault;
53a5960a
PB		 6688 ret = get_errno(swapoff(p));
6689 unlock_user(p, arg1, 0);
31e31b8a 6690 break;
e5febef5 6691#endif
31e31b8a 6692 case TARGET_NR_sysinfo:
a5448a7d 6693 {
53a5960a 6694 struct target_sysinfo *target_value;
a5448a7d
FB		 6695 struct sysinfo value;
6696 ret = get_errno(sysinfo(&value));
53a5960a 6697 if (!is_error(ret) && arg1)
a5448a7d 6698 {
579a97f7
FB		 6699 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
6700 goto efault;
a5448a7d
FB		 6701 __put_user(value.uptime, &target_value->uptime);
6702 __put_user(value.loads[0], &target_value->loads[0]);
6703 __put_user(value.loads[1], &target_value->loads[1]);
6704 __put_user(value.loads[2], &target_value->loads[2]);
6705 __put_user(value.totalram, &target_value->totalram);
6706 __put_user(value.freeram, &target_value->freeram);
6707 __put_user(value.sharedram, &target_value->sharedram);
6708 __put_user(value.bufferram, &target_value->bufferram);
6709 __put_user(value.totalswap, &target_value->totalswap);
6710 __put_user(value.freeswap, &target_value->freeswap);
6711 __put_user(value.procs, &target_value->procs);
6712 __put_user(value.totalhigh, &target_value->totalhigh);
6713 __put_user(value.freehigh, &target_value->freehigh);
6714 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 6715 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 6716 }
6717 }
6718 break;
e5febef5 6719#ifdef TARGET_NR_ipc
31e31b8a 6720 case TARGET_NR_ipc:
8853f86e
FB		 6721 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
6722 break;
e5febef5 6723#endif
e5289087
AJ		 6724#ifdef TARGET_NR_semget
6725 case TARGET_NR_semget:
6726 ret = get_errno(semget(arg1, arg2, arg3));
6727 break;
6728#endif
6729#ifdef TARGET_NR_semop
6730 case TARGET_NR_semop:
6731 ret = get_errno(do_semop(arg1, arg2, arg3));
6732 break;
6733#endif
6734#ifdef TARGET_NR_semctl
6735 case TARGET_NR_semctl:
6736 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
6737 break;
6738#endif
eeb438c1
AJ		 6739#ifdef TARGET_NR_msgctl
6740 case TARGET_NR_msgctl:
6741 ret = do_msgctl(arg1, arg2, arg3);
6742 break;
6743#endif
6744#ifdef TARGET_NR_msgget
6745 case TARGET_NR_msgget:
6746 ret = get_errno(msgget(arg1, arg2));
6747 break;
6748#endif
6749#ifdef TARGET_NR_msgrcv
6750 case TARGET_NR_msgrcv:
6751 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
6752 break;
6753#endif
6754#ifdef TARGET_NR_msgsnd
6755 case TARGET_NR_msgsnd:
6756 ret = do_msgsnd(arg1, arg2, arg3, arg4);
6757 break;
88a8c984
RV		 6758#endif
6759#ifdef TARGET_NR_shmget
6760 case TARGET_NR_shmget:
6761 ret = get_errno(shmget(arg1, arg2, arg3));
6762 break;
6763#endif
6764#ifdef TARGET_NR_shmctl
6765 case TARGET_NR_shmctl:
6766 ret = do_shmctl(arg1, arg2, arg3);
6767 break;
6768#endif
6769#ifdef TARGET_NR_shmat
6770 case TARGET_NR_shmat:
6771 ret = do_shmat(arg1, arg2, arg3);
6772 break;
6773#endif
6774#ifdef TARGET_NR_shmdt
6775 case TARGET_NR_shmdt:
6776 ret = do_shmdt(arg1);
6777 break;
eeb438c1 6778#endif
31e31b8a
FB		 6779 case TARGET_NR_fsync:
6780 ret = get_errno(fsync(arg1));
6781 break;
31e31b8a 6782 case TARGET_NR_clone:
a4b388ff 6783#if defined(TARGET_SH4) || defined(TARGET_ALPHA)
0b6d3ae0 6784 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 6785#elif defined(TARGET_CRIS)
6786 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
a4c075f1
UH		 6787#elif defined(TARGET_S390X)
6788 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
0b6d3ae0 6789#else
d865bab5 6790 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 6791#endif
1b6b029e 6792 break;
ec86b0fb
FB		 6793#ifdef __NR_exit_group
6794 /* new thread calls */
6795 case TARGET_NR_exit_group:
9788c9ca 6796#ifdef TARGET_GPROF
6d946cda
AJ		 6797 _mcleanup();
6798#endif
e9009676 6799 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 6800 ret = get_errno(exit_group(arg1));
6801 break;
6802#endif
31e31b8a 6803 case TARGET_NR_setdomainname:
579a97f7
FB		 6804 if (!(p = lock_user_string(arg1)))
6805 goto efault;
53a5960a
PB		 6806 ret = get_errno(setdomainname(p, arg2));
6807 unlock_user(p, arg1, 0);
31e31b8a
FB		 6808 break;
6809 case TARGET_NR_uname:
6810 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 6811 {
6812 struct new_utsname * buf;
3b46e624 6813
579a97f7
FB		 6814 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
6815 goto efault;
29e619b1
FB		 6816 ret = get_errno(sys_uname(buf));
6817 if (!is_error(ret)) {
6818 /* Overrite the native machine name with whatever is being
6819 emulated. */
da79030f 6820 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 6821 /* Allow the user to override the reported release. */
6822 if (qemu_uname_release && *qemu_uname_release)
6823 strcpy (buf->release, qemu_uname_release);
29e619b1 6824 }
53a5960a 6825 unlock_user_struct(buf, arg1, 1);
29e619b1 6826 }
31e31b8a 6827 break;
6dbad63e 6828#ifdef TARGET_I386
31e31b8a 6829 case TARGET_NR_modify_ldt:
03acab66 6830 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 6831 break;
84409ddb 6832#if !defined(TARGET_X86_64)
5cd4393b
FB		 6833 case TARGET_NR_vm86old:
6834 goto unimplemented;
6835 case TARGET_NR_vm86:
53a5960a 6836 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 6837 break;
84409ddb 6838#endif
6dbad63e 6839#endif
31e31b8a
FB		 6840 case TARGET_NR_adjtimex:
6841 goto unimplemented;
e5febef5 6842#ifdef TARGET_NR_create_module
31e31b8a 6843 case TARGET_NR_create_module:
e5febef5 6844#endif
31e31b8a
FB		 6845 case TARGET_NR_init_module:
6846 case TARGET_NR_delete_module:
e5febef5 6847#ifdef TARGET_NR_get_kernel_syms
31e31b8a 6848 case TARGET_NR_get_kernel_syms:
e5febef5 6849#endif
31e31b8a
FB		 6850 goto unimplemented;
6851 case TARGET_NR_quotactl:
6852 goto unimplemented;
6853 case TARGET_NR_getpgid:
6854 ret = get_errno(getpgid(arg1));
6855 break;
6856 case TARGET_NR_fchdir:
6857 ret = get_errno(fchdir(arg1));
6858 break;
84409ddb 6859#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 6860 case TARGET_NR_bdflush:
6861 goto unimplemented;
84409ddb 6862#endif
e5febef5 6863#ifdef TARGET_NR_sysfs
31e31b8a
FB		 6864 case TARGET_NR_sysfs:
6865 goto unimplemented;
e5febef5 6866#endif
31e31b8a 6867 case TARGET_NR_personality:
1b6b029e 6868 ret = get_errno(personality(arg1));
31e31b8a 6869 break;
e5febef5 6870#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 6871 case TARGET_NR_afs_syscall:
6872 goto unimplemented;
e5febef5 6873#endif
7a3148a9 6874#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 6875 case TARGET_NR__llseek:
6876 {
0c1592d9 6877 int64_t res;
d35b261c 6878#if !defined(__NR_llseek)
0c1592d9
PM		 6879 res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
6880 if (res == -1) {
6881 ret = get_errno(res);
6882 } else {
6883 ret = 0;
6884 }
4f2ac237 6885#else
31e31b8a 6886 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4f2ac237 6887#endif
0c1592d9
PM		 6888 if ((ret == 0) && put_user_s64(res, arg4)) {
6889 goto efault;
6890 }
31e31b8a
FB		 6891 }
6892 break;
7a3148a9 6893#endif
31e31b8a 6894 case TARGET_NR_getdents:
d83c8733 6895#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 6896 {
53a5960a 6897 struct target_dirent *target_dirp;
6556a833 6898 struct linux_dirent *dirp;
992f48a0 6899 abi_long count = arg3;
4add45b4
FB		 6900
6901 dirp = malloc(count);
0da46a6e 6902 if (!dirp) {
579a97f7 6903 ret = -TARGET_ENOMEM;
0da46a6e
TS		 6904 goto fail;
6905 }
3b46e624 6906
4add45b4
FB		 6907 ret = get_errno(sys_getdents(arg1, dirp, count));
6908 if (!is_error(ret)) {
6556a833 6909 struct linux_dirent *de;
4add45b4
FB		 6910 struct target_dirent *tde;
6911 int len = ret;
6912 int reclen, treclen;
6913 int count1, tnamelen;
6914
6915 count1 = 0;
6916 de = dirp;
579a97f7
FB		 6917 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6918 goto efault;
4add45b4
FB		 6919 tde = target_dirp;
6920 while (len > 0) {
6921 reclen = de->d_reclen;
992f48a0 6922 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4 6923 tde->d_reclen = tswap16(treclen);
cbb21eed
MB		 6924 tde->d_ino = tswapal(de->d_ino);
6925 tde->d_off = tswapal(de->d_off);
992f48a0 6926 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 6927 if (tnamelen > 256)
6928 tnamelen = 256;
80a9d035 6929 /* XXX: may not be correct */
be15b141 6930 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 6931 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 6932 len -= reclen;
1c5bf3bf 6933 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 6934 count1 += treclen;
6935 }
6936 ret = count1;
579a97f7 6937 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 6938 }
6939 free(dirp);
6940 }
6941#else
31e31b8a 6942 {
6556a833 6943 struct linux_dirent *dirp;
992f48a0 6944 abi_long count = arg3;
dab2ed99 6945
579a97f7
FB		 6946 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6947 goto efault;
72f03900 6948 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 6949 if (!is_error(ret)) {
6556a833 6950 struct linux_dirent *de;
31e31b8a
FB		 6951 int len = ret;
6952 int reclen;
6953 de = dirp;
6954 while (len > 0) {
8083a3e5 6955 reclen = de->d_reclen;
31e31b8a
FB		 6956 if (reclen > len)
6957 break;
8083a3e5 6958 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 6959 tswapls(&de->d_ino);
6960 tswapls(&de->d_off);
6556a833 6961 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 6962 len -= reclen;
6963 }
6964 }
53a5960a 6965 unlock_user(dirp, arg2, ret);
31e31b8a 6966 }
4add45b4 6967#endif
31e31b8a 6968 break;
3ae43202 6969#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 6970 case TARGET_NR_getdents64:
6971 {
6556a833 6972 struct linux_dirent64 *dirp;
992f48a0 6973 abi_long count = arg3;
579a97f7
FB		 6974 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6975 goto efault;
dab2ed99
FB		 6976 ret = get_errno(sys_getdents64(arg1, dirp, count));
6977 if (!is_error(ret)) {
6556a833 6978 struct linux_dirent64 *de;
dab2ed99
FB		 6979 int len = ret;
6980 int reclen;
6981 de = dirp;
6982 while (len > 0) {
8083a3e5 6983 reclen = de->d_reclen;
dab2ed99
FB		 6984 if (reclen > len)
6985 break;
8083a3e5 6986 de->d_reclen = tswap16(reclen);
8582a53a
FB		 6987 tswap64s((uint64_t *)&de->d_ino);
6988 tswap64s((uint64_t *)&de->d_off);
6556a833 6989 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 6990 len -= reclen;
6991 }
6992 }
53a5960a 6993 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 6994 }
6995 break;
a541f297 6996#endif /* TARGET_NR_getdents64 */
a4c075f1
UH		 6997#if defined(TARGET_NR__newselect) || defined(TARGET_S390X)
6998#ifdef TARGET_S390X
6999 case TARGET_NR_select:
7000#else
31e31b8a 7001 case TARGET_NR__newselect:
a4c075f1 7002#endif
53a5960a 7003 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 7004 break;
e5febef5 7005#endif
d8035d4c
MF		 7006#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
7007# ifdef TARGET_NR_poll
9de5e440 7008 case TARGET_NR_poll:
d8035d4c
MF		 7009# endif
7010# ifdef TARGET_NR_ppoll
7011 case TARGET_NR_ppoll:
7012# endif
9de5e440 7013 {
53a5960a 7014 struct target_pollfd *target_pfd;
9de5e440
FB		 7015 unsigned int nfds = arg2;
7016 int timeout = arg3;
7017 struct pollfd *pfd;
7854b056 7018 unsigned int i;
9de5e440 7019
579a97f7
FB		 7020 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
7021 if (!target_pfd)
7022 goto efault;
d8035d4c 7023
9de5e440
FB		 7024 pfd = alloca(sizeof(struct pollfd) * nfds);
7025 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 7026 pfd[i].fd = tswap32(target_pfd[i].fd);
7027 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440 7028 }
d8035d4c
MF		 7029
7030# ifdef TARGET_NR_ppoll
7031 if (num == TARGET_NR_ppoll) {
7032 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
7033 target_sigset_t *target_set;
7034 sigset_t _set, *set = &_set;
7035
7036 if (arg3) {
7037 if (target_to_host_timespec(timeout_ts, arg3)) {
7038 unlock_user(target_pfd, arg1, 0);
7039 goto efault;
7040 }
7041 } else {
7042 timeout_ts = NULL;
7043 }
7044
7045 if (arg4) {
7046 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
7047 if (!target_set) {
7048 unlock_user(target_pfd, arg1, 0);
7049 goto efault;
7050 }
7051 target_to_host_sigset(set, target_set);
7052 } else {
7053 set = NULL;
7054 }
7055
7056 ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
7057
7058 if (!is_error(ret) && arg3) {
7059 host_to_target_timespec(arg3, timeout_ts);
7060 }
7061 if (arg4) {
7062 unlock_user(target_set, arg4, 0);
7063 }
7064 } else
7065# endif
7066 ret = get_errno(poll(pfd, nfds, timeout));
7067
9de5e440
FB		 7068 if (!is_error(ret)) {
7069 for(i = 0; i < nfds; i++) {
5cd4393b 7070 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 7071 }
7072 }
30cb4cde 7073 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9de5e440
FB		 7074 }
7075 break;
e5febef5 7076#endif
31e31b8a 7077 case TARGET_NR_flock:
9de5e440
FB		 7078 /* NOTE: the flock constant seems to be the same for every
7079 Linux platform */
7080 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 7081 break;
7082 case TARGET_NR_readv:
7083 {
7084 int count = arg3;
31e31b8a 7085 struct iovec *vec;
31e31b8a
FB		 7086
7087 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 7088 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
7089 goto efault;
31e31b8a 7090 ret = get_errno(readv(arg1, vec, count));
53a5960a 7091 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 7092 }
7093 break;
7094 case TARGET_NR_writev:
7095 {
7096 int count = arg3;
31e31b8a 7097 struct iovec *vec;
31e31b8a
FB		 7098
7099 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 7100 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
7101 goto efault;
31e31b8a 7102 ret = get_errno(writev(arg1, vec, count));
53a5960a 7103 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 7104 }
7105 break;
7106 case TARGET_NR_getsid:
7107 ret = get_errno(getsid(arg1));
7108 break;
7a3148a9 7109#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 7110 case TARGET_NR_fdatasync:
5cd4393b
FB		 7111 ret = get_errno(fdatasync(arg1));
7112 break;
7a3148a9 7113#endif
31e31b8a 7114 case TARGET_NR__sysctl:
0da46a6e 7115 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 7116 return value. */
0da46a6e
TS		 7117 ret = -TARGET_ENOTDIR;
7118 break;
737de1d1
MF		 7119 case TARGET_NR_sched_getaffinity:
7120 {
7121 unsigned int mask_size;
7122 unsigned long *mask;
7123
7124 /*
7125 * sched_getaffinity needs multiples of ulong, so need to take
7126 * care of mismatches between target ulong and host ulong sizes.
7127 */
7128 if (arg2 & (sizeof(abi_ulong) - 1)) {
7129 ret = -TARGET_EINVAL;
7130 break;
7131 }
7132 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7133
7134 mask = alloca(mask_size);
7135 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
7136
7137 if (!is_error(ret)) {
cd18f05e 7138 if (copy_to_user(arg3, mask, ret)) {
737de1d1
MF		 7139 goto efault;
7140 }
737de1d1
MF		 7141 }
7142 }
7143 break;
7144 case TARGET_NR_sched_setaffinity:
7145 {
7146 unsigned int mask_size;
7147 unsigned long *mask;
7148
7149 /*
7150 * sched_setaffinity needs multiples of ulong, so need to take
7151 * care of mismatches between target ulong and host ulong sizes.
7152 */
7153 if (arg2 & (sizeof(abi_ulong) - 1)) {
7154 ret = -TARGET_EINVAL;
7155 break;
7156 }
7157 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7158
7159 mask = alloca(mask_size);
7160 if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
7161 goto efault;
7162 }
7163 memcpy(mask, p, arg2);
7164 unlock_user_struct(p, arg2, 0);
7165
7166 ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
7167 }
7168 break;
31e31b8a 7169 case TARGET_NR_sched_setparam:
5cd4393b 7170 {
53a5960a 7171 struct sched_param *target_schp;
5cd4393b 7172 struct sched_param schp;
53a5960a 7173
579a97f7
FB		 7174 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
7175 goto efault;
5cd4393b 7176 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7177 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 7178 ret = get_errno(sched_setparam(arg1, &schp));
7179 }
7180 break;
31e31b8a 7181 case TARGET_NR_sched_getparam:
5cd4393b 7182 {
53a5960a 7183 struct sched_param *target_schp;
5cd4393b
FB		 7184 struct sched_param schp;
7185 ret = get_errno(sched_getparam(arg1, &schp));
7186 if (!is_error(ret)) {
579a97f7
FB		 7187 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
7188 goto efault;
5cd4393b 7189 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 7190 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 7191 }
7192 }
7193 break;
31e31b8a 7194 case TARGET_NR_sched_setscheduler:
5cd4393b 7195 {
53a5960a 7196 struct sched_param *target_schp;
5cd4393b 7197 struct sched_param schp;
579a97f7
FB		 7198 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
7199 goto efault;
5cd4393b 7200 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7201 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 7202 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
7203 }
7204 break;
31e31b8a 7205 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 7206 ret = get_errno(sched_getscheduler(arg1));
7207 break;
31e31b8a
FB		 7208 case TARGET_NR_sched_yield:
7209 ret = get_errno(sched_yield());
7210 break;
7211 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 7212 ret = get_errno(sched_get_priority_max(arg1));
7213 break;
31e31b8a 7214 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 7215 ret = get_errno(sched_get_priority_min(arg1));
7216 break;
31e31b8a 7217 case TARGET_NR_sched_rr_get_interval:
5cd4393b 7218 {
5cd4393b
FB		 7219 struct timespec ts;
7220 ret = get_errno(sched_rr_get_interval(arg1, &ts));
7221 if (!is_error(ret)) {
53a5960a 7222 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 7223 }
7224 }
7225 break;
31e31b8a 7226 case TARGET_NR_nanosleep:
1b6b029e 7227 {
1b6b029e 7228 struct timespec req, rem;
53a5960a 7229 target_to_host_timespec(&req, arg1);
1b6b029e 7230 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 7231 if (is_error(ret) && arg2) {
7232 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 7233 }
7234 }
7235 break;
e5febef5 7236#ifdef TARGET_NR_query_module
31e31b8a 7237 case TARGET_NR_query_module:
5cd4393b 7238 goto unimplemented;
e5febef5
TS		 7239#endif
7240#ifdef TARGET_NR_nfsservctl
31e31b8a 7241 case TARGET_NR_nfsservctl:
5cd4393b 7242 goto unimplemented;
e5febef5 7243#endif
31e31b8a 7244 case TARGET_NR_prctl:
e5574487
TS		 7245 switch (arg1)
7246 {
7247 case PR_GET_PDEATHSIG:
7248 {
7249 int deathsig;
7250 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 7251 if (!is_error(ret) && arg2
7252 && put_user_ual(deathsig, arg2))
7253 goto efault;
e5574487
TS		 7254 }
7255 break;
7256 default:
7257 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
7258 break;
7259 }
39b9aae1 7260 break;
d2fd1af7
FB		 7261#ifdef TARGET_NR_arch_prctl
7262 case TARGET_NR_arch_prctl:
7263#if defined(TARGET_I386) && !defined(TARGET_ABI32)
7264 ret = do_arch_prctl(cpu_env, arg1, arg2);
7265 break;
7266#else
7267 goto unimplemented;
7268#endif
7269#endif
67867308 7270#ifdef TARGET_NR_pread
31e31b8a 7271 case TARGET_NR_pread:
48e515d4 7272 if (regpairs_aligned(cpu_env))
a4ae00bc 7273 arg4 = arg5;
579a97f7
FB		 7274 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7275 goto efault;
53a5960a
PB		 7276 ret = get_errno(pread(arg1, p, arg3, arg4));
7277 unlock_user(p, arg2, ret);
206f0fa7 7278 break;
31e31b8a 7279 case TARGET_NR_pwrite:
48e515d4 7280 if (regpairs_aligned(cpu_env))
a4ae00bc 7281 arg4 = arg5;
579a97f7
FB		 7282 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7283 goto efault;
53a5960a
PB		 7284 ret = get_errno(pwrite(arg1, p, arg3, arg4));
7285 unlock_user(p, arg2, 0);
206f0fa7 7286 break;
f2c7ba15
AJ		 7287#endif
7288#ifdef TARGET_NR_pread64
7289 case TARGET_NR_pread64:
7290 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7291 goto efault;
7292 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
7293 unlock_user(p, arg2, ret);
7294 break;
7295 case TARGET_NR_pwrite64:
7296 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7297 goto efault;
7298 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
7299 unlock_user(p, arg2, 0);
7300 break;
67867308 7301#endif
31e31b8a 7302 case TARGET_NR_getcwd:
579a97f7
FB		 7303 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
7304 goto efault;
53a5960a
PB		 7305 ret = get_errno(sys_getcwd1(p, arg2));
7306 unlock_user(p, arg1, ret);
31e31b8a
FB		 7307 break;
7308 case TARGET_NR_capget:
5cd4393b 7309 goto unimplemented;
31e31b8a 7310 case TARGET_NR_capset:
5cd4393b 7311 goto unimplemented;
31e31b8a 7312 case TARGET_NR_sigaltstack:
198a74de 7313#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154 7314 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
a4c075f1 7315 defined(TARGET_M68K) || defined(TARGET_S390X)
9349b4f9 7316 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env));
a04e134a
TS		 7317 break;
7318#else
5cd4393b 7319 goto unimplemented;
a04e134a 7320#endif
31e31b8a 7321 case TARGET_NR_sendfile:
5cd4393b 7322 goto unimplemented;
ebc05488 7323#ifdef TARGET_NR_getpmsg
31e31b8a 7324 case TARGET_NR_getpmsg:
5cd4393b 7325 goto unimplemented;
ebc05488
FB		 7326#endif
7327#ifdef TARGET_NR_putpmsg
31e31b8a 7328 case TARGET_NR_putpmsg:
5cd4393b 7329 goto unimplemented;
ebc05488 7330#endif
048f6b4d 7331#ifdef TARGET_NR_vfork
31e31b8a 7332 case TARGET_NR_vfork:
d865bab5
PB		 7333 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
7334 0, 0, 0, 0));
31e31b8a 7335 break;
048f6b4d 7336#endif
ebc05488 7337#ifdef TARGET_NR_ugetrlimit
31e31b8a 7338 case TARGET_NR_ugetrlimit:
728584be
FB		 7339 {
7340 struct rlimit rlim;
e22b7015
WT		 7341 int resource = target_to_host_resource(arg1);
7342 ret = get_errno(getrlimit(resource, &rlim));
728584be 7343 if (!is_error(ret)) {
53a5960a 7344 struct target_rlimit *target_rlim;
579a97f7
FB		 7345 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
7346 goto efault;
81bbe906
TY		 7347 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
7348 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 7349 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 7350 }
7351 break;
7352 }
ebc05488 7353#endif
a315a145 7354#ifdef TARGET_NR_truncate64
31e31b8a 7355 case TARGET_NR_truncate64:
579a97f7
FB		 7356 if (!(p = lock_user_string(arg1)))
7357 goto efault;
53a5960a
PB		 7358 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
7359 unlock_user(p, arg1, 0);
667f38b1 7360 break;
a315a145
FB		 7361#endif
7362#ifdef TARGET_NR_ftruncate64
31e31b8a 7363 case TARGET_NR_ftruncate64:
ce4defa0 7364 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 7365 break;
a315a145
FB		 7366#endif
7367#ifdef TARGET_NR_stat64
31e31b8a 7368 case TARGET_NR_stat64:
579a97f7
FB		 7369 if (!(p = lock_user_string(arg1)))
7370 goto efault;
53a5960a
PB		 7371 ret = get_errno(stat(path(p), &st));
7372 unlock_user(p, arg1, 0);
6a24a778
AZ		 7373 if (!is_error(ret))
7374 ret = host_to_target_stat64(cpu_env, arg2, &st);
7375 break;
a315a145
FB		 7376#endif
7377#ifdef TARGET_NR_lstat64
31e31b8a 7378 case TARGET_NR_lstat64:
579a97f7
FB		 7379 if (!(p = lock_user_string(arg1)))
7380 goto efault;
53a5960a
PB		 7381 ret = get_errno(lstat(path(p), &st));
7382 unlock_user(p, arg1, 0);
6a24a778
AZ		 7383 if (!is_error(ret))
7384 ret = host_to_target_stat64(cpu_env, arg2, &st);
7385 break;
a315a145
FB		 7386#endif
7387#ifdef TARGET_NR_fstat64
31e31b8a 7388 case TARGET_NR_fstat64:
6a24a778
AZ		 7389 ret = get_errno(fstat(arg1, &st));
7390 if (!is_error(ret))
7391 ret = host_to_target_stat64(cpu_env, arg2, &st);
7392 break;
ce4defa0 7393#endif
9d33b76b
AJ		 7394#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
7395 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
7396#ifdef TARGET_NR_fstatat64
6a24a778 7397 case TARGET_NR_fstatat64:
9d33b76b
AJ		 7398#endif
7399#ifdef TARGET_NR_newfstatat
7400 case TARGET_NR_newfstatat:
7401#endif
6a24a778
AZ		 7402 if (!(p = lock_user_string(arg2)))
7403 goto efault;
9d33b76b 7404#ifdef __NR_fstatat64
6a24a778 7405 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 7406#else
7407 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
7408#endif
6a24a778
AZ		 7409 if (!is_error(ret))
7410 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 7411 break;
a315a145 7412#endif
67867308 7413 case TARGET_NR_lchown:
579a97f7
FB		 7414 if (!(p = lock_user_string(arg1)))
7415 goto efault;
53a5960a
PB		 7416 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
7417 unlock_user(p, arg1, 0);
67867308 7418 break;
0c866a7e 7419#ifdef TARGET_NR_getuid
67867308
FB		 7420 case TARGET_NR_getuid:
7421 ret = get_errno(high2lowuid(getuid()));
7422 break;
0c866a7e
RV		 7423#endif
7424#ifdef TARGET_NR_getgid
67867308
FB		 7425 case TARGET_NR_getgid:
7426 ret = get_errno(high2lowgid(getgid()));
7427 break;
0c866a7e
RV		 7428#endif
7429#ifdef TARGET_NR_geteuid
67867308
FB		 7430 case TARGET_NR_geteuid:
7431 ret = get_errno(high2lowuid(geteuid()));
7432 break;
0c866a7e
RV		 7433#endif
7434#ifdef TARGET_NR_getegid
67867308
FB		 7435 case TARGET_NR_getegid:
7436 ret = get_errno(high2lowgid(getegid()));
7437 break;
0c866a7e 7438#endif
67867308
FB		 7439 case TARGET_NR_setreuid:
7440 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
7441 break;
7442 case TARGET_NR_setregid:
7443 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
7444 break;
7445 case TARGET_NR_getgroups:
7446 {
7447 int gidsetsize = arg1;
0c866a7e 7448 target_id *target_grouplist;
67867308
FB		 7449 gid_t *grouplist;
7450 int i;
7451
7452 grouplist = alloca(gidsetsize * sizeof(gid_t));
7453 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7454 if (gidsetsize == 0)
7455 break;
67867308 7456 if (!is_error(ret)) {
579a97f7
FB		 7457 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
7458 if (!target_grouplist)
7459 goto efault;
a2155fcc 7460 for(i = 0;i < ret; i++)
0c866a7e 7461 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
53a5960a 7462 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 7463 }
7464 }
7465 break;
7466 case TARGET_NR_setgroups:
7467 {
7468 int gidsetsize = arg1;
0c866a7e 7469 target_id *target_grouplist;
67867308
FB		 7470 gid_t *grouplist;
7471 int i;
7472
7473 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 7474 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
7475 if (!target_grouplist) {
7476 ret = -TARGET_EFAULT;
7477 goto fail;
7478 }
67867308 7479 for(i = 0;i < gidsetsize; i++)
0c866a7e 7480 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
53a5960a 7481 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 7482 ret = get_errno(setgroups(gidsetsize, grouplist));
7483 }
7484 break;
7485 case TARGET_NR_fchown:
7486 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
7487 break;
ccfa72b7
TS		 7488#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
7489 case TARGET_NR_fchownat:
579a97f7
FB		 7490 if (!(p = lock_user_string(arg2)))
7491 goto efault;
7492 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
7493 unlock_user(p, arg2, 0);
ccfa72b7
TS		 7494 break;
7495#endif
67867308
FB		 7496#ifdef TARGET_NR_setresuid
7497 case TARGET_NR_setresuid:
5fafdf24
TS		 7498 ret = get_errno(setresuid(low2highuid(arg1),
7499 low2highuid(arg2),
67867308
FB		 7500 low2highuid(arg3)));
7501 break;
7502#endif
7503#ifdef TARGET_NR_getresuid
7504 case TARGET_NR_getresuid:
7505 {
53a5960a 7506 uid_t ruid, euid, suid;
67867308
FB		 7507 ret = get_errno(getresuid(&ruid, &euid, &suid));
7508 if (!is_error(ret)) {
2f619698
FB		 7509 if (put_user_u16(high2lowuid(ruid), arg1)
7510 || put_user_u16(high2lowuid(euid), arg2)
7511 || put_user_u16(high2lowuid(suid), arg3))
7512 goto efault;
67867308
FB		 7513 }
7514 }
7515 break;
7516#endif
7517#ifdef TARGET_NR_getresgid
7518 case TARGET_NR_setresgid:
5fafdf24
TS		 7519 ret = get_errno(setresgid(low2highgid(arg1),
7520 low2highgid(arg2),
67867308
FB		 7521 low2highgid(arg3)));
7522 break;
7523#endif
7524#ifdef TARGET_NR_getresgid
7525 case TARGET_NR_getresgid:
7526 {
53a5960a 7527 gid_t rgid, egid, sgid;
67867308
FB		 7528 ret = get_errno(getresgid(&rgid, &egid, &sgid));
7529 if (!is_error(ret)) {
2f619698
FB		 7530 if (put_user_u16(high2lowgid(rgid), arg1)
7531 || put_user_u16(high2lowgid(egid), arg2)
7532 || put_user_u16(high2lowgid(sgid), arg3))
7533 goto efault;
67867308
FB		 7534 }
7535 }
7536 break;
7537#endif
7538 case TARGET_NR_chown:
579a97f7
FB		 7539 if (!(p = lock_user_string(arg1)))
7540 goto efault;
53a5960a
PB		 7541 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
7542 unlock_user(p, arg1, 0);
67867308
FB		 7543 break;
7544 case TARGET_NR_setuid:
7545 ret = get_errno(setuid(low2highuid(arg1)));
7546 break;
7547 case TARGET_NR_setgid:
7548 ret = get_errno(setgid(low2highgid(arg1)));
7549 break;
7550 case TARGET_NR_setfsuid:
7551 ret = get_errno(setfsuid(arg1));
7552 break;
7553 case TARGET_NR_setfsgid:
7554 ret = get_errno(setfsgid(arg1));
7555 break;
67867308 7556
a315a145 7557#ifdef TARGET_NR_lchown32
31e31b8a 7558 case TARGET_NR_lchown32:
579a97f7
FB		 7559 if (!(p = lock_user_string(arg1)))
7560 goto efault;
53a5960a
PB		 7561 ret = get_errno(lchown(p, arg2, arg3));
7562 unlock_user(p, arg1, 0);
b03c60f3 7563 break;
a315a145
FB		 7564#endif
7565#ifdef TARGET_NR_getuid32
31e31b8a 7566 case TARGET_NR_getuid32:
b03c60f3
FB		 7567 ret = get_errno(getuid());
7568 break;
a315a145 7569#endif
64b4d28c
AJ		 7570
7571#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
7572 /* Alpha specific */
7573 case TARGET_NR_getxuid:
ba0e276d
RH		 7574 {
7575 uid_t euid;
7576 euid=geteuid();
7577 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
7578 }
64b4d28c
AJ		 7579 ret = get_errno(getuid());
7580 break;
7581#endif
7582#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
7583 /* Alpha specific */
7584 case TARGET_NR_getxgid:
ba0e276d
RH		 7585 {
7586 uid_t egid;
7587 egid=getegid();
7588 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
7589 }
64b4d28c
AJ		 7590 ret = get_errno(getgid());
7591 break;
7592#endif
ba0e276d
RH		 7593#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
7594 /* Alpha specific */
7595 case TARGET_NR_osf_getsysinfo:
7596 ret = -TARGET_EOPNOTSUPP;
7597 switch (arg1) {
7598 case TARGET_GSI_IEEE_FP_CONTROL:
7599 {
7600 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
7601
7602 /* Copied from linux ieee_fpcr_to_swcr. */
7603 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
7604 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
7605 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
7606 | SWCR_TRAP_ENABLE_DZE
7607 | SWCR_TRAP_ENABLE_OVF);
7608 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
7609 | SWCR_TRAP_ENABLE_INE);
7610 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
7611 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
7612
7613 if (put_user_u64 (swcr, arg2))
7614 goto efault;
7615 ret = 0;
7616 }
7617 break;
7618
7619 /* case GSI_IEEE_STATE_AT_SIGNAL:
7620 -- Not implemented in linux kernel.
7621 case GSI_UACPROC:
7622 -- Retrieves current unaligned access state; not much used.
7623 case GSI_PROC_TYPE:
7624 -- Retrieves implver information; surely not used.
7625 case GSI_GET_HWRPB:
7626 -- Grabs a copy of the HWRPB; surely not used.
7627 */
7628 }
7629 break;
7630#endif
7631#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
7632 /* Alpha specific */
7633 case TARGET_NR_osf_setsysinfo:
7634 ret = -TARGET_EOPNOTSUPP;
7635 switch (arg1) {
7636 case TARGET_SSI_IEEE_FP_CONTROL:
7637 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
7638 {
7639 uint64_t swcr, fpcr, orig_fpcr;
7640
7641 if (get_user_u64 (swcr, arg2))
7642 goto efault;
7643 orig_fpcr = cpu_alpha_load_fpcr (cpu_env);
7644 fpcr = orig_fpcr & FPCR_DYN_MASK;
7645
7646 /* Copied from linux ieee_swcr_to_fpcr. */
7647 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
7648 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
7649 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
7650 | SWCR_TRAP_ENABLE_DZE
7651 | SWCR_TRAP_ENABLE_OVF)) << 48;
7652 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
7653 | SWCR_TRAP_ENABLE_INE)) << 57;
7654 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
7655 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
7656
7657 cpu_alpha_store_fpcr (cpu_env, fpcr);
7658 ret = 0;
7659
7660 if (arg1 == TARGET_SSI_IEEE_RAISE_EXCEPTION) {
7661 /* Old exceptions are not signaled. */
7662 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
7663
7664 /* If any exceptions set by this call, and are unmasked,
7665 send a signal. */
7666 /* ??? FIXME */
7667 }
7668 }
7669 break;
7670
7671 /* case SSI_NVPAIRS:
7672 -- Used with SSIN_UACPROC to enable unaligned accesses.
7673 case SSI_IEEE_STATE_AT_SIGNAL:
7674 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
7675 -- Not implemented in linux kernel
7676 */
7677 }
7678 break;
7679#endif
7680#ifdef TARGET_NR_osf_sigprocmask
7681 /* Alpha specific. */
7682 case TARGET_NR_osf_sigprocmask:
7683 {
7684 abi_ulong mask;
bc088ba1 7685 int how;
ba0e276d
RH		 7686 sigset_t set, oldset;
7687
7688 switch(arg1) {
7689 case TARGET_SIG_BLOCK:
7690 how = SIG_BLOCK;
7691 break;
7692 case TARGET_SIG_UNBLOCK:
7693 how = SIG_UNBLOCK;
7694 break;
7695 case TARGET_SIG_SETMASK:
7696 how = SIG_SETMASK;
7697 break;
7698 default:
7699 ret = -TARGET_EINVAL;
7700 goto fail;
7701 }
7702 mask = arg2;
7703 target_to_host_old_sigset(&set, &mask);
bc088ba1 7704 sigprocmask(how, &set, &oldset);
ba0e276d
RH		 7705 host_to_target_old_sigset(&mask, &oldset);
7706 ret = mask;
7707 }
7708 break;
7709#endif
64b4d28c 7710
a315a145 7711#ifdef TARGET_NR_getgid32
31e31b8a 7712 case TARGET_NR_getgid32:
b03c60f3
FB		 7713 ret = get_errno(getgid());
7714 break;
a315a145
FB		 7715#endif
7716#ifdef TARGET_NR_geteuid32
31e31b8a 7717 case TARGET_NR_geteuid32:
b03c60f3
FB		 7718 ret = get_errno(geteuid());
7719 break;
a315a145
FB		 7720#endif
7721#ifdef TARGET_NR_getegid32
31e31b8a 7722 case TARGET_NR_getegid32:
b03c60f3
FB		 7723 ret = get_errno(getegid());
7724 break;
a315a145
FB		 7725#endif
7726#ifdef TARGET_NR_setreuid32
31e31b8a 7727 case TARGET_NR_setreuid32:
b03c60f3
FB		 7728 ret = get_errno(setreuid(arg1, arg2));
7729 break;
a315a145
FB		 7730#endif
7731#ifdef TARGET_NR_setregid32
31e31b8a 7732 case TARGET_NR_setregid32:
b03c60f3
FB		 7733 ret = get_errno(setregid(arg1, arg2));
7734 break;
a315a145
FB		 7735#endif
7736#ifdef TARGET_NR_getgroups32
31e31b8a 7737 case TARGET_NR_getgroups32:
99c475ab
FB		 7738 {
7739 int gidsetsize = arg1;
53a5960a 7740 uint32_t *target_grouplist;
99c475ab
FB		 7741 gid_t *grouplist;
7742 int i;
7743
7744 grouplist = alloca(gidsetsize * sizeof(gid_t));
7745 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7746 if (gidsetsize == 0)
7747 break;
99c475ab 7748 if (!is_error(ret)) {
579a97f7
FB		 7749 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
7750 if (!target_grouplist) {
7751 ret = -TARGET_EFAULT;
7752 goto fail;
7753 }
a2155fcc 7754 for(i = 0;i < ret; i++)
53a5960a
PB		 7755 target_grouplist[i] = tswap32(grouplist[i]);
7756 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 7757 }
7758 }
7759 break;
a315a145
FB		 7760#endif
7761#ifdef TARGET_NR_setgroups32
31e31b8a 7762 case TARGET_NR_setgroups32:
99c475ab
FB		 7763 {
7764 int gidsetsize = arg1;
53a5960a 7765 uint32_t *target_grouplist;
99c475ab
FB		 7766 gid_t *grouplist;
7767 int i;
3b46e624 7768
99c475ab 7769 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 7770 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
7771 if (!target_grouplist) {
7772 ret = -TARGET_EFAULT;
7773 goto fail;
7774 }
99c475ab 7775 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 7776 grouplist[i] = tswap32(target_grouplist[i]);
7777 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 7778 ret = get_errno(setgroups(gidsetsize, grouplist));
7779 }
7780 break;
a315a145
FB		 7781#endif
7782#ifdef TARGET_NR_fchown32
31e31b8a 7783 case TARGET_NR_fchown32:
b03c60f3
FB		 7784 ret = get_errno(fchown(arg1, arg2, arg3));
7785 break;
a315a145
FB		 7786#endif
7787#ifdef TARGET_NR_setresuid32
31e31b8a 7788 case TARGET_NR_setresuid32:
b03c60f3
FB		 7789 ret = get_errno(setresuid(arg1, arg2, arg3));
7790 break;
a315a145
FB		 7791#endif
7792#ifdef TARGET_NR_getresuid32
31e31b8a 7793 case TARGET_NR_getresuid32:
b03c60f3 7794 {
53a5960a 7795 uid_t ruid, euid, suid;
b03c60f3
FB		 7796 ret = get_errno(getresuid(&ruid, &euid, &suid));
7797 if (!is_error(ret)) {
2f619698
FB		 7798 if (put_user_u32(ruid, arg1)
7799 || put_user_u32(euid, arg2)
7800 || put_user_u32(suid, arg3))
7801 goto efault;
b03c60f3
FB		 7802 }
7803 }
7804 break;
a315a145
FB		 7805#endif
7806#ifdef TARGET_NR_setresgid32
31e31b8a 7807 case TARGET_NR_setresgid32:
b03c60f3
FB		 7808 ret = get_errno(setresgid(arg1, arg2, arg3));
7809 break;
a315a145
FB		 7810#endif
7811#ifdef TARGET_NR_getresgid32
31e31b8a 7812 case TARGET_NR_getresgid32:
b03c60f3 7813 {
53a5960a 7814 gid_t rgid, egid, sgid;
b03c60f3
FB		 7815 ret = get_errno(getresgid(&rgid, &egid, &sgid));
7816 if (!is_error(ret)) {
2f619698
FB		 7817 if (put_user_u32(rgid, arg1)
7818 || put_user_u32(egid, arg2)
7819 || put_user_u32(sgid, arg3))
7820 goto efault;
b03c60f3
FB		 7821 }
7822 }
7823 break;
a315a145
FB		 7824#endif
7825#ifdef TARGET_NR_chown32
31e31b8a 7826 case TARGET_NR_chown32:
579a97f7
FB		 7827 if (!(p = lock_user_string(arg1)))
7828 goto efault;
53a5960a
PB		 7829 ret = get_errno(chown(p, arg2, arg3));
7830 unlock_user(p, arg1, 0);
b03c60f3 7831 break;
a315a145
FB		 7832#endif
7833#ifdef TARGET_NR_setuid32
31e31b8a 7834 case TARGET_NR_setuid32:
b03c60f3
FB		 7835 ret = get_errno(setuid(arg1));
7836 break;
a315a145
FB		 7837#endif
7838#ifdef TARGET_NR_setgid32
31e31b8a 7839 case TARGET_NR_setgid32:
b03c60f3
FB		 7840 ret = get_errno(setgid(arg1));
7841 break;
a315a145
FB		 7842#endif
7843#ifdef TARGET_NR_setfsuid32
31e31b8a 7844 case TARGET_NR_setfsuid32:
b03c60f3
FB		 7845 ret = get_errno(setfsuid(arg1));
7846 break;
a315a145
FB		 7847#endif
7848#ifdef TARGET_NR_setfsgid32
31e31b8a 7849 case TARGET_NR_setfsgid32:
b03c60f3
FB		 7850 ret = get_errno(setfsgid(arg1));
7851 break;
a315a145 7852#endif
67867308 7853
31e31b8a 7854 case TARGET_NR_pivot_root:
b03c60f3 7855 goto unimplemented;
ffa65c3b 7856#ifdef TARGET_NR_mincore
31e31b8a 7857 case TARGET_NR_mincore:
04bb9ace
AJ		 7858 {
7859 void *a;
7860 ret = -TARGET_EFAULT;
7861 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
7862 goto efault;
7863 if (!(p = lock_user_string(arg3)))
7864 goto mincore_fail;
7865 ret = get_errno(mincore(a, arg2, p));
7866 unlock_user(p, arg3, ret);
7867 mincore_fail:
7868 unlock_user(a, arg1, 0);
7869 }
7870 break;
ffa65c3b 7871#endif
408321b6
AJ		 7872#ifdef TARGET_NR_arm_fadvise64_64
7873 case TARGET_NR_arm_fadvise64_64:
7874 {
7875 /*
7876 * arm_fadvise64_64 looks like fadvise64_64 but
7877 * with different argument order
7878 */
7879 abi_long temp;
7880 temp = arg3;
7881 arg3 = arg4;
7882 arg4 = temp;
7883 }
7884#endif
e72d2cc7 7885#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 7886#ifdef TARGET_NR_fadvise64_64
7887 case TARGET_NR_fadvise64_64:
7888#endif
e72d2cc7
UH		 7889#ifdef TARGET_NR_fadvise64
7890 case TARGET_NR_fadvise64:
7891#endif
7892#ifdef TARGET_S390X
7893 switch (arg4) {
7894 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
7895 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
7896 case 6: arg4 = POSIX_FADV_DONTNEED; break;
7897 case 7: arg4 = POSIX_FADV_NOREUSE; break;
7898 default: break;
7899 }
7900#endif
7901 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 7902 break;
7903#endif
ffa65c3b 7904#ifdef TARGET_NR_madvise
31e31b8a 7905 case TARGET_NR_madvise:
24836689
PB		 7906 /* A straight passthrough may not be safe because qemu sometimes
7907 turns private flie-backed mappings into anonymous mappings.
7908 This will break MADV_DONTNEED.
7909 This is a hint, so ignoring and returning success is ok. */
7910 ret = get_errno(0);
7911 break;
ffa65c3b 7912#endif
992f48a0 7913#if TARGET_ABI_BITS == 32
31e31b8a 7914 case TARGET_NR_fcntl64:
77e4672d 7915 {
b1e341eb 7916 int cmd;
77e4672d 7917 struct flock64 fl;
53a5960a 7918 struct target_flock64 *target_fl;
ce4defa0 7919#ifdef TARGET_ARM
53a5960a 7920 struct target_eabi_flock64 *target_efl;
ce4defa0 7921#endif
77e4672d 7922
5f106811 7923 cmd = target_to_host_fcntl_cmd(arg2);
31b63193
PM		 7924 if (cmd == -TARGET_EINVAL) {
7925 ret = cmd;
7926 break;
7927 }
b1e341eb 7928
60cd49d5 7929 switch(arg2) {
b1e341eb 7930 case TARGET_F_GETLK64:
5813427b
TS		 7931#ifdef TARGET_ARM
7932 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 7933 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7934 goto efault;
5813427b
TS		 7935 fl.l_type = tswap16(target_efl->l_type);
7936 fl.l_whence = tswap16(target_efl->l_whence);
7937 fl.l_start = tswap64(target_efl->l_start);
7938 fl.l_len = tswap64(target_efl->l_len);
7e22e546 7939 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 7940 unlock_user_struct(target_efl, arg3, 0);
7941 } else
7942#endif
7943 {
9ee1fa2c
FB		 7944 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
7945 goto efault;
5813427b
TS		 7946 fl.l_type = tswap16(target_fl->l_type);
7947 fl.l_whence = tswap16(target_fl->l_whence);
7948 fl.l_start = tswap64(target_fl->l_start);
7949 fl.l_len = tswap64(target_fl->l_len);
7e22e546 7950 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 7951 unlock_user_struct(target_fl, arg3, 0);
7952 }
b1e341eb 7953 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 7954 if (ret == 0) {
ce4defa0
PB		 7955#ifdef TARGET_ARM
7956 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 7957 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
7958 goto efault;
ce4defa0
PB		 7959 target_efl->l_type = tswap16(fl.l_type);
7960 target_efl->l_whence = tswap16(fl.l_whence);
7961 target_efl->l_start = tswap64(fl.l_start);
7962 target_efl->l_len = tswap64(fl.l_len);
7e22e546 7963 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 7964 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 7965 } else
7966#endif
7967 {
9ee1fa2c
FB		 7968 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
7969 goto efault;
ce4defa0
PB		 7970 target_fl->l_type = tswap16(fl.l_type);
7971 target_fl->l_whence = tswap16(fl.l_whence);
7972 target_fl->l_start = tswap64(fl.l_start);
7973 target_fl->l_len = tswap64(fl.l_len);
7e22e546 7974 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 7975 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 7976 }
77e4672d
FB		 7977 }
7978 break;
7979
b1e341eb
TS		 7980 case TARGET_F_SETLK64:
7981 case TARGET_F_SETLKW64:
ce4defa0
PB		 7982#ifdef TARGET_ARM
7983 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 7984 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7985 goto efault;
ce4defa0
PB		 7986 fl.l_type = tswap16(target_efl->l_type);
7987 fl.l_whence = tswap16(target_efl->l_whence);
7988 fl.l_start = tswap64(target_efl->l_start);
7989 fl.l_len = tswap64(target_efl->l_len);
7e22e546 7990 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 7991 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 7992 } else
7993#endif
7994 {
9ee1fa2c
FB		 7995 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
7996 goto efault;
ce4defa0
PB		 7997 fl.l_type = tswap16(target_fl->l_type);
7998 fl.l_whence = tswap16(target_fl->l_whence);
7999 fl.l_start = tswap64(target_fl->l_start);
8000 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8001 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 8002 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 8003 }
b1e341eb 8004 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8005 break;
60cd49d5 8006 default:
5f106811 8007 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 8008 break;
8009 }
77e4672d
FB		 8010 break;
8011 }
60cd49d5 8012#endif
7d600c80
TS		 8013#ifdef TARGET_NR_cacheflush
8014 case TARGET_NR_cacheflush:
8015 /* self-modifying code is handled automatically, so nothing needed */
8016 ret = 0;
8017 break;
8018#endif
ebc05488 8019#ifdef TARGET_NR_security
31e31b8a
FB		 8020 case TARGET_NR_security:
8021 goto unimplemented;
c573ff67
FB		 8022#endif
8023#ifdef TARGET_NR_getpagesize
8024 case TARGET_NR_getpagesize:
8025 ret = TARGET_PAGE_SIZE;
8026 break;
ebc05488 8027#endif
31e31b8a
FB		 8028 case TARGET_NR_gettid:
8029 ret = get_errno(gettid());
8030 break;
e5febef5 8031#ifdef TARGET_NR_readahead
31e31b8a 8032 case TARGET_NR_readahead:
2054ac9b 8033#if TARGET_ABI_BITS == 32
48e515d4 8034 if (regpairs_aligned(cpu_env)) {
2054ac9b
AJ		 8035 arg2 = arg3;
8036 arg3 = arg4;
8037 arg4 = arg5;
8038 }
2054ac9b
AJ		 8039 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
8040#else
8041 ret = get_errno(readahead(arg1, arg2, arg3));
8042#endif
8043 break;
e5febef5 8044#endif
a790ae38 8045#ifdef CONFIG_ATTR
ebc05488 8046#ifdef TARGET_NR_setxattr
31e31b8a
FB		 8047 case TARGET_NR_listxattr:
8048 case TARGET_NR_llistxattr:
fb5590f7
PM		 8049 {
8050 void *p, *b = 0;
8051 if (arg2) {
8052 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8053 if (!b) {
8054 ret = -TARGET_EFAULT;
8055 break;
8056 }
8057 }
8058 p = lock_user_string(arg1);
8059 if (p) {
8060 if (num == TARGET_NR_listxattr) {
8061 ret = get_errno(listxattr(p, b, arg3));
8062 } else {
8063 ret = get_errno(llistxattr(p, b, arg3));
8064 }
8065 } else {
8066 ret = -TARGET_EFAULT;
8067 }
8068 unlock_user(p, arg1, 0);
8069 unlock_user(b, arg2, arg3);
8070 break;
8071 }
31e31b8a 8072 case TARGET_NR_flistxattr:
fb5590f7
PM		 8073 {
8074 void *b = 0;
8075 if (arg2) {
8076 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8077 if (!b) {
8078 ret = -TARGET_EFAULT;
8079 break;
8080 }
8081 }
8082 ret = get_errno(flistxattr(arg1, b, arg3));
8083 unlock_user(b, arg2, arg3);
6f932f91 8084 break;
fb5590f7 8085 }
a790ae38 8086 case TARGET_NR_setxattr:
30297b55 8087 case TARGET_NR_lsetxattr:
a790ae38 8088 {
e3c33ec6
PM		 8089 void *p, *n, *v = 0;
8090 if (arg3) {
8091 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8092 if (!v) {
8093 ret = -TARGET_EFAULT;
8094 break;
8095 }
8096 }
a790ae38
ACH		 8097 p = lock_user_string(arg1);
8098 n = lock_user_string(arg2);
e3c33ec6 8099 if (p && n) {
30297b55
PM		 8100 if (num == TARGET_NR_setxattr) {
8101 ret = get_errno(setxattr(p, n, v, arg4, arg5));
8102 } else {
8103 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
8104 }
a790ae38
ACH		 8105 } else {
8106 ret = -TARGET_EFAULT;
8107 }
8108 unlock_user(p, arg1, 0);
8109 unlock_user(n, arg2, 0);
8110 unlock_user(v, arg3, 0);
8111 }
8112 break;
30297b55
PM		 8113 case TARGET_NR_fsetxattr:
8114 {
8115 void *n, *v = 0;
8116 if (arg3) {
8117 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8118 if (!v) {
8119 ret = -TARGET_EFAULT;
8120 break;
8121 }
8122 }
8123 n = lock_user_string(arg2);
8124 if (n) {
8125 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
8126 } else {
8127 ret = -TARGET_EFAULT;
8128 }
8129 unlock_user(n, arg2, 0);
8130 unlock_user(v, arg3, 0);
8131 }
8132 break;
a790ae38 8133 case TARGET_NR_getxattr:
30297b55 8134 case TARGET_NR_lgetxattr:
a790ae38 8135 {
e3c33ec6
PM		 8136 void *p, *n, *v = 0;
8137 if (arg3) {
8138 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8139 if (!v) {
8140 ret = -TARGET_EFAULT;
8141 break;
8142 }
8143 }
a790ae38
ACH		 8144 p = lock_user_string(arg1);
8145 n = lock_user_string(arg2);
e3c33ec6 8146 if (p && n) {
30297b55
PM		 8147 if (num == TARGET_NR_getxattr) {
8148 ret = get_errno(getxattr(p, n, v, arg4));
8149 } else {
8150 ret = get_errno(lgetxattr(p, n, v, arg4));
8151 }
a790ae38
ACH		 8152 } else {
8153 ret = -TARGET_EFAULT;
8154 }
8155 unlock_user(p, arg1, 0);
8156 unlock_user(n, arg2, 0);
8157 unlock_user(v, arg3, arg4);
8158 }
8159 break;
30297b55
PM		 8160 case TARGET_NR_fgetxattr:
8161 {
8162 void *n, *v = 0;
8163 if (arg3) {
8164 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8165 if (!v) {
8166 ret = -TARGET_EFAULT;
8167 break;
8168 }
8169 }
8170 n = lock_user_string(arg2);
8171 if (n) {
8172 ret = get_errno(fgetxattr(arg1, n, v, arg4));
8173 } else {
8174 ret = -TARGET_EFAULT;
8175 }
8176 unlock_user(n, arg2, 0);
8177 unlock_user(v, arg3, arg4);
8178 }
8179 break;
a790ae38 8180 case TARGET_NR_removexattr:
30297b55 8181 case TARGET_NR_lremovexattr:
a790ae38
ACH		 8182 {
8183 void *p, *n;
8184 p = lock_user_string(arg1);
8185 n = lock_user_string(arg2);
8186 if (p && n) {
30297b55
PM		 8187 if (num == TARGET_NR_removexattr) {
8188 ret = get_errno(removexattr(p, n));
8189 } else {
8190 ret = get_errno(lremovexattr(p, n));
8191 }
a790ae38
ACH		 8192 } else {
8193 ret = -TARGET_EFAULT;
8194 }
8195 unlock_user(p, arg1, 0);
8196 unlock_user(n, arg2, 0);
8197 }
8198 break;
30297b55
PM		 8199 case TARGET_NR_fremovexattr:
8200 {
8201 void *n;
8202 n = lock_user_string(arg2);
8203 if (n) {
8204 ret = get_errno(fremovexattr(arg1, n));
8205 } else {
8206 ret = -TARGET_EFAULT;
8207 }
8208 unlock_user(n, arg2, 0);
8209 }
8210 break;
ebc05488 8211#endif
a790ae38 8212#endif /* CONFIG_ATTR */
ebc05488 8213#ifdef TARGET_NR_set_thread_area
5cd4393b 8214 case TARGET_NR_set_thread_area:
8d18e893 8215#if defined(TARGET_MIPS)
6f5b89a0
TS		 8216 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
8217 ret = 0;
8218 break;
ef96779b
EI		 8219#elif defined(TARGET_CRIS)
8220 if (arg1 & 0xff)
8221 ret = -TARGET_EINVAL;
8222 else {
8223 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
8224 ret = 0;
8225 }
8226 break;
8d18e893
FB		 8227#elif defined(TARGET_I386) && defined(TARGET_ABI32)
8228 ret = do_set_thread_area(cpu_env, arg1);
8229 break;
6f5b89a0
TS		 8230#else
8231 goto unimplemented_nowarn;
8232#endif
8233#endif
8234#ifdef TARGET_NR_get_thread_area
5cd4393b 8235 case TARGET_NR_get_thread_area:
8d18e893
FB		 8236#if defined(TARGET_I386) && defined(TARGET_ABI32)
8237 ret = do_get_thread_area(cpu_env, arg1);
8238#else
5cd4393b 8239 goto unimplemented_nowarn;
48dc41eb 8240#endif
8d18e893 8241#endif
48dc41eb
FB		 8242#ifdef TARGET_NR_getdomainname
8243 case TARGET_NR_getdomainname:
8244 goto unimplemented_nowarn;
ebc05488 8245#endif
6f5b89a0 8246
b5906f95
TS		 8247#ifdef TARGET_NR_clock_gettime
8248 case TARGET_NR_clock_gettime:
8249 {
8250 struct timespec ts;
8251 ret = get_errno(clock_gettime(arg1, &ts));
8252 if (!is_error(ret)) {
8253 host_to_target_timespec(arg2, &ts);
8254 }
8255 break;
8256 }
8257#endif
8258#ifdef TARGET_NR_clock_getres
8259 case TARGET_NR_clock_getres:
8260 {
8261 struct timespec ts;
8262 ret = get_errno(clock_getres(arg1, &ts));
8263 if (!is_error(ret)) {
8264 host_to_target_timespec(arg2, &ts);
8265 }
8266 break;
8267 }
8268#endif
63d7651b
PB		 8269#ifdef TARGET_NR_clock_nanosleep
8270 case TARGET_NR_clock_nanosleep:
8271 {
8272 struct timespec ts;
8273 target_to_host_timespec(&ts, arg3);
8274 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
8275 if (arg4)
8276 host_to_target_timespec(arg4, &ts);
8277 break;
8278 }
8279#endif
b5906f95 8280
6f5b89a0
TS		 8281#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
8282 case TARGET_NR_set_tid_address:
579a97f7
FB		 8283 ret = get_errno(set_tid_address((int *)g2h(arg1)));
8284 break;
6f5b89a0
TS		 8285#endif
8286
3ae43202 8287#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 8288 case TARGET_NR_tkill:
4cb05961 8289 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 8290 break;
8291#endif
8292
3ae43202 8293#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 8294 case TARGET_NR_tgkill:
4cb05961
PB		 8295 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
8296 target_to_host_signal(arg3)));
71455574
TS		 8297 break;
8298#endif
8299
4f2b1fe8
TS		 8300#ifdef TARGET_NR_set_robust_list
8301 case TARGET_NR_set_robust_list:
8302 goto unimplemented_nowarn;
8303#endif
8304
9007f0ef
TS		 8305#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
8306 case TARGET_NR_utimensat:
8307 {
ebc996f3
RV		 8308 struct timespec *tsp, ts[2];
8309 if (!arg3) {
8310 tsp = NULL;
8311 } else {
8312 target_to_host_timespec(ts, arg3);
8313 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
8314 tsp = ts;
8315 }
9007f0ef 8316 if (!arg2)
ebc996f3 8317 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 8318 else {
579a97f7 8319 if (!(p = lock_user_string(arg2))) {
0da46a6e 8320 ret = -TARGET_EFAULT;
579a97f7
FB		 8321 goto fail;
8322 }
ebc996f3 8323 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 8324 unlock_user(p, arg2, 0);
9007f0ef
TS		 8325 }
8326 }
8327 break;
8328#endif
2f7bb878 8329#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 8330 case TARGET_NR_futex:
8331 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
8332 break;
8333#endif
dbfe4c36 8334#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 8335 case TARGET_NR_inotify_init:
8336 ret = get_errno(sys_inotify_init());
8337 break;
8338#endif
a1606b0b 8339#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 8340#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
8341 case TARGET_NR_inotify_init1:
8342 ret = get_errno(sys_inotify_init1(arg1));
8343 break;
8344#endif
a1606b0b 8345#endif
dbfe4c36 8346#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 8347 case TARGET_NR_inotify_add_watch:
8348 p = lock_user_string(arg2);
8349 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
8350 unlock_user(p, arg2, 0);
8351 break;
8352#endif
dbfe4c36 8353#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 8354 case TARGET_NR_inotify_rm_watch:
8355 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
8356 break;
8357#endif
9007f0ef 8358
8ec9cf89 8359#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 8360 case TARGET_NR_mq_open:
8361 {
8362 struct mq_attr posix_mq_attr;
8363
8364 p = lock_user_string(arg1 - 1);
8365 if (arg4 != 0)
8366 copy_from_user_mq_attr (&posix_mq_attr, arg4);
8367 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
8368 unlock_user (p, arg1, 0);
8369 }
8370 break;
8371
8372 case TARGET_NR_mq_unlink:
8373 p = lock_user_string(arg1 - 1);
8374 ret = get_errno(mq_unlink(p));
8375 unlock_user (p, arg1, 0);
8376 break;
8377
8378 case TARGET_NR_mq_timedsend:
8379 {
8380 struct timespec ts;
8381
8382 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8383 if (arg5 != 0) {
8384 target_to_host_timespec(&ts, arg5);
8385 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
8386 host_to_target_timespec(arg5, &ts);
8387 }
8388 else
8389 ret = get_errno(mq_send(arg1, p, arg3, arg4));
8390 unlock_user (p, arg2, arg3);
8391 }
8392 break;
8393
8394 case TARGET_NR_mq_timedreceive:
8395 {
8396 struct timespec ts;
8397 unsigned int prio;
8398
8399 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8400 if (arg5 != 0) {
8401 target_to_host_timespec(&ts, arg5);
8402 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
8403 host_to_target_timespec(arg5, &ts);
8404 }
8405 else
8406 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
8407 unlock_user (p, arg2, arg3);
8408 if (arg4 != 0)
8409 put_user_u32(prio, arg4);
8410 }
8411 break;
8412
8413 /* Not implemented for now... */
8414/* case TARGET_NR_mq_notify: */
8415/* break; */
8416
8417 case TARGET_NR_mq_getsetattr:
8418 {
8419 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
8420 ret = 0;
8421 if (arg3 != 0) {
8422 ret = mq_getattr(arg1, &posix_mq_attr_out);
8423 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
8424 }
8425 if (arg2 != 0) {
8426 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
8427 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
8428 }
8429
8430 }
8431 break;
8432#endif
8433
3ce34dfb
VS		 8434#ifdef CONFIG_SPLICE
8435#ifdef TARGET_NR_tee
8436 case TARGET_NR_tee:
8437 {
8438 ret = get_errno(tee(arg1,arg2,arg3,arg4));
8439 }
8440 break;
8441#endif
8442#ifdef TARGET_NR_splice
8443 case TARGET_NR_splice:
8444 {
8445 loff_t loff_in, loff_out;
8446 loff_t *ploff_in = NULL, *ploff_out = NULL;
8447 if(arg2) {
8448 get_user_u64(loff_in, arg2);
8449 ploff_in = &loff_in;
8450 }
8451 if(arg4) {
8452 get_user_u64(loff_out, arg2);
8453 ploff_out = &loff_out;
8454 }
8455 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
8456 }
8457 break;
8458#endif
8459#ifdef TARGET_NR_vmsplice
8460 case TARGET_NR_vmsplice:
8461 {
8462 int count = arg3;
8463 struct iovec *vec;
8464
8465 vec = alloca(count * sizeof(struct iovec));
8466 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
8467 goto efault;
8468 ret = get_errno(vmsplice(arg1, vec, count, arg4));
8469 unlock_iovec(vec, arg2, count, 0);
8470 }
8471 break;
8472#endif
8473#endif /* CONFIG_SPLICE */
c2882b96
RV		 8474#ifdef CONFIG_EVENTFD
8475#if defined(TARGET_NR_eventfd)
8476 case TARGET_NR_eventfd:
8477 ret = get_errno(eventfd(arg1, 0));
8478 break;
8479#endif
8480#if defined(TARGET_NR_eventfd2)
8481 case TARGET_NR_eventfd2:
8482 ret = get_errno(eventfd(arg1, arg2));
8483 break;
8484#endif
8485#endif /* CONFIG_EVENTFD */
d0927938
UH		 8486#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
8487 case TARGET_NR_fallocate:
8488 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
8489 break;
c727f47d
PM		 8490#endif
8491#if defined(CONFIG_SYNC_FILE_RANGE)
8492#if defined(TARGET_NR_sync_file_range)
8493 case TARGET_NR_sync_file_range:
8494#if TARGET_ABI_BITS == 32
bfcedc57
RV		 8495#if defined(TARGET_MIPS)
8496 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8497 target_offset64(arg5, arg6), arg7));
8498#else
c727f47d
PM		 8499 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
8500 target_offset64(arg4, arg5), arg6));
bfcedc57 8501#endif /* !TARGET_MIPS */
c727f47d
PM		 8502#else
8503 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
8504#endif
8505 break;
8506#endif
8507#if defined(TARGET_NR_sync_file_range2)
8508 case TARGET_NR_sync_file_range2:
8509 /* This is like sync_file_range but the arguments are reordered */
8510#if TARGET_ABI_BITS == 32
8511 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8512 target_offset64(arg5, arg6), arg2));
8513#else
8514 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
8515#endif
8516 break;
8517#endif
3b6edd16
PM		 8518#endif
8519#if defined(CONFIG_EPOLL)
8520#if defined(TARGET_NR_epoll_create)
8521 case TARGET_NR_epoll_create:
8522 ret = get_errno(epoll_create(arg1));
8523 break;
8524#endif
8525#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
8526 case TARGET_NR_epoll_create1:
8527 ret = get_errno(epoll_create1(arg1));
8528 break;
8529#endif
8530#if defined(TARGET_NR_epoll_ctl)
8531 case TARGET_NR_epoll_ctl:
8532 {
8533 struct epoll_event ep;
8534 struct epoll_event *epp = 0;
8535 if (arg4) {
8536 struct target_epoll_event *target_ep;
8537 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
8538 goto efault;
8539 }
8540 ep.events = tswap32(target_ep->events);
8541 /* The epoll_data_t union is just opaque data to the kernel,
8542 * so we transfer all 64 bits across and need not worry what
8543 * actual data type it is.
8544 */
8545 ep.data.u64 = tswap64(target_ep->data.u64);
8546 unlock_user_struct(target_ep, arg4, 0);
8547 epp = &ep;
8548 }
8549 ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
8550 break;
8551 }
8552#endif
8553
8554#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
8555#define IMPLEMENT_EPOLL_PWAIT
8556#endif
8557#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
8558#if defined(TARGET_NR_epoll_wait)
8559 case TARGET_NR_epoll_wait:
8560#endif
8561#if defined(IMPLEMENT_EPOLL_PWAIT)
8562 case TARGET_NR_epoll_pwait:
8563#endif
8564 {
8565 struct target_epoll_event *target_ep;
8566 struct epoll_event *ep;
8567 int epfd = arg1;
8568 int maxevents = arg3;
8569 int timeout = arg4;
8570
8571 target_ep = lock_user(VERIFY_WRITE, arg2,
8572 maxevents * sizeof(struct target_epoll_event), 1);
8573 if (!target_ep) {
8574 goto efault;
8575 }
8576
8577 ep = alloca(maxevents * sizeof(struct epoll_event));
8578
8579 switch (num) {
8580#if defined(IMPLEMENT_EPOLL_PWAIT)
8581 case TARGET_NR_epoll_pwait:
8582 {
8583 target_sigset_t *target_set;
8584 sigset_t _set, *set = &_set;
8585
8586 if (arg5) {
8587 target_set = lock_user(VERIFY_READ, arg5,
8588 sizeof(target_sigset_t), 1);
8589 if (!target_set) {
8590 unlock_user(target_ep, arg2, 0);
8591 goto efault;
8592 }
8593 target_to_host_sigset(set, target_set);
8594 unlock_user(target_set, arg5, 0);
8595 } else {
8596 set = NULL;
8597 }
8598
8599 ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
8600 break;
8601 }
8602#endif
8603#if defined(TARGET_NR_epoll_wait)
8604 case TARGET_NR_epoll_wait:
8605 ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
8606 break;
8607#endif
8608 default:
8609 ret = -TARGET_ENOSYS;
8610 }
8611 if (!is_error(ret)) {
8612 int i;
8613 for (i = 0; i < ret; i++) {
8614 target_ep[i].events = tswap32(ep[i].events);
8615 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
8616 }
8617 }
8618 unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
8619 break;
8620 }
8621#endif
163a05a8
PM		 8622#endif
8623#ifdef TARGET_NR_prlimit64
8624 case TARGET_NR_prlimit64:
8625 {
8626 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
8627 struct target_rlimit64 *target_rnew, *target_rold;
8628 struct host_rlimit64 rnew, rold, *rnewp = 0;
8629 if (arg3) {
8630 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
8631 goto efault;
8632 }
8633 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
8634 rnew.rlim_max = tswap64(target_rnew->rlim_max);
8635 unlock_user_struct(target_rnew, arg3, 0);
8636 rnewp = &rnew;
8637 }
8638
8639 ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
8640 if (!is_error(ret) && arg4) {
8641 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
8642 goto efault;
8643 }
8644 target_rold->rlim_cur = tswap64(rold.rlim_cur);
8645 target_rold->rlim_max = tswap64(rold.rlim_max);
8646 unlock_user_struct(target_rold, arg4, 1);
8647 }
8648 break;
8649 }
d0927938 8650#endif
31e31b8a
FB		 8651 default:
8652 unimplemented:
5cd4393b 8653 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 8654#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 8655 unimplemented_nowarn:
80a9d035 8656#endif
0da46a6e 8657 ret = -TARGET_ENOSYS;
31e31b8a
FB		 8658 break;
8659 }
579a97f7 8660fail:
c573ff67 8661#ifdef DEBUG
0bf9e31a 8662 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 8663#endif
b92c47c1
TS		 8664 if(do_strace)
8665 print_syscall_ret(num, ret);
31e31b8a 8666 return ret;
579a97f7
FB		 8667efault:
8668 ret = -TARGET_EFAULT;
8669 goto fail;
31e31b8a 8670}
Mirror of https://git.qemu.org/git/qemu.git