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m68k, linux-user: enable sigaltstack()
[mirror_qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
8167ee88 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
31e31b8a 18 */
d5b3a9b6 19#define _ATFILE_SOURCE
31e31b8a
FB		 20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
82e671d9 30#include <limits.h>
24e1003a 31#include <mqueue.h>
31e31b8a 32#include <sys/types.h>
d08d3bb8
TS		 33#include <sys/ipc.h>
34#include <sys/msg.h>
31e31b8a
FB		 35#include <sys/wait.h>
36#include <sys/time.h>
37#include <sys/stat.h>
38#include <sys/mount.h>
39b9aae1 39#include <sys/prctl.h>
31e31b8a
FB		 40#include <sys/resource.h>
41#include <sys/mman.h>
42#include <sys/swap.h>
43#include <signal.h>
44#include <sched.h>
45#include <sys/socket.h>
607175e0 46#include <sys/un.h>
31e31b8a 47#include <sys/uio.h>
9de5e440 48#include <sys/poll.h>
32f36bce 49#include <sys/times.h>
8853f86e 50#include <sys/shm.h>
fa294816 51#include <sys/sem.h>
56c8f68f 52#include <sys/statfs.h>
ebc05488 53#include <utime.h>
a5448a7d 54#include <sys/sysinfo.h>
3b3f24ad 55#include <sys/utsname.h>
72f03900 56//#include <sys/user.h>
8853f86e 57#include <netinet/ip.h>
7854b056 58#include <netinet/tcp.h>
0b6d3ae0 59#include <qemu-common.h>
9788c9ca 60#ifdef TARGET_GPROF
6d946cda
AJ		 61#include <sys/gmon.h>
62#endif
c2882b96
RV		 63#ifdef CONFIG_EVENTFD
64#include <sys/eventfd.h>
65#endif
31e31b8a
FB		 66
67#define termios host_termios
68#define winsize host_winsize
69#define termio host_termio
04369ff2
FB		 70#define sgttyb host_sgttyb /* same as target */
71#define tchars host_tchars /* same as target */
72#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 73
74#include <linux/termios.h>
75#include <linux/unistd.h>
76#include <linux/utsname.h>
77#include <linux/cdrom.h>
78#include <linux/hdreg.h>
79#include <linux/soundcard.h>
19b84f3c 80#include <linux/kd.h>
8fbd6b52 81#include <linux/mtio.h>
350d1779 82#include <linux/fs.h>
d7e4036e 83#include "linux_loop.h"
31e31b8a 84
3ef693a0 85#include "qemu.h"
526ccb7a 86#include "qemu-common.h"
31e31b8a 87
2f7bb878 88#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 89#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
90 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
91#else
92/* XXX: Hardcode the above values. */
93#define CLONE_NPTL_FLAGS2 0
30813cea
PB		 94#endif
95
72f03900 96//#define DEBUG
31e31b8a 97
1a9353d2 98//#include <linux/msdos_fs.h>
6556a833
AJ		 99#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
100#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 101
70a194b9 102
70a194b9
FB		 103#undef _syscall0
104#undef _syscall1
105#undef _syscall2
106#undef _syscall3
107#undef _syscall4
108#undef _syscall5
83fcb515 109#undef _syscall6
70a194b9 110
83fcb515 111#define _syscall0(type,name) \
8fcd3692 112static type name (void) \
83fcb515
FB		 113{ \
114 return syscall(__NR_##name); \
115}
70a194b9 116
83fcb515 117#define _syscall1(type,name,type1,arg1) \
8fcd3692 118static type name (type1 arg1) \
83fcb515
FB		 119{ \
120 return syscall(__NR_##name, arg1); \
70a194b9
FB		 121}
122
83fcb515 123#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 124static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 125{ \
126 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 127}
128
83fcb515 129#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 130static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 131{ \
132 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 133}
134
83fcb515 135#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 136static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 137{ \
138 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 139}
140
83fcb515
FB		 141#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
142 type5,arg5) \
8fcd3692 143static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 144{ \
145 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 146}
147
83fcb515
FB		 148
149#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
150 type5,arg5,type6,arg6) \
8fcd3692
BS		 151static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
152 type6 arg6) \
83fcb515
FB		 153{ \
154 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 155}
83fcb515 156
70a194b9 157
31e31b8a 158#define __NR_sys_uname __NR_uname
92a34c10 159#define __NR_sys_faccessat __NR_faccessat
814d7977 160#define __NR_sys_fchmodat __NR_fchmodat
ccfa72b7 161#define __NR_sys_fchownat __NR_fchownat
6a24a778 162#define __NR_sys_fstatat64 __NR_fstatat64
ac8a6556 163#define __NR_sys_futimesat __NR_futimesat
72f03900 164#define __NR_sys_getcwd1 __NR_getcwd
72f03900 165#define __NR_sys_getdents __NR_getdents
dab2ed99 166#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 167#define __NR_sys_getpriority __NR_getpriority
64f0ce4c 168#define __NR_sys_linkat __NR_linkat
4472ad0d 169#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 170#define __NR_sys_mknodat __NR_mknodat
9d33b76b 171#define __NR_sys_newfstatat __NR_newfstatat
82424832 172#define __NR_sys_openat __NR_openat
5e0ccb18 173#define __NR_sys_readlinkat __NR_readlinkat
722183f6 174#define __NR_sys_renameat __NR_renameat
66fb9763 175#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
f0b6243d 176#define __NR_sys_symlinkat __NR_symlinkat
7494b0f9 177#define __NR_sys_syslog __NR_syslog
71455574 178#define __NR_sys_tgkill __NR_tgkill
4cae1d16 179#define __NR_sys_tkill __NR_tkill
8170f56b 180#define __NR_sys_unlinkat __NR_unlinkat
9007f0ef 181#define __NR_sys_utimensat __NR_utimensat
bd0c5661 182#define __NR_sys_futex __NR_futex
39b59763
AJ		 183#define __NR_sys_inotify_init __NR_inotify_init
184#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
185#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 186
bc51c5c9 187#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 188#define __NR__llseek __NR_lseek
189#endif
190
72f03900 191#ifdef __NR_gettid
31e31b8a 192_syscall0(int, gettid)
72f03900 193#else
0da46a6e
TS		 194/* This is a replacement for the host gettid() and must return a host
195 errno. */
72f03900
FB		 196static int gettid(void) {
197 return -ENOSYS;
198}
199#endif
3b3f24ad
AJ		 200#if TARGET_ABI_BITS == 32
201_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
202#endif
203#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
204_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
205#endif
206_syscall2(int, sys_getpriority, int, which, int, who);
909b69cf 207#if defined(TARGET_NR__llseek) && !defined (__x86_64__)
3b3f24ad
AJ		 208_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
209 loff_t *, res, uint, wh);
210#endif
211_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
212_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
213#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
214_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
215#endif
216#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
217_syscall2(int,sys_tkill,int,tid,int,sig)
218#endif
219#ifdef __NR_exit_group
220_syscall1(int,exit_group,int,error_code)
221#endif
222#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
223_syscall1(int,set_tid_address,int *,tidptr)
224#endif
2f7bb878 225#if defined(CONFIG_USE_NPTL)
3b3f24ad
AJ		 226#if defined(TARGET_NR_futex) && defined(__NR_futex)
227_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
228 const struct timespec *,timeout,int *,uaddr2,int,val3)
229#endif
230#endif
231
232static bitmask_transtbl fcntl_flags_tbl[] = {
233 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
234 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
235 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
236 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
237 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
238 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
239 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
240 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
241 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
242 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
243 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
244 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
245 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
246#if defined(O_DIRECT)
247 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
248#endif
249 { 0, 0, 0, 0 }
250};
251
252#define COPY_UTSNAME_FIELD(dest, src) \
253 do { \
254 /* __NEW_UTS_LEN doesn't include terminating null */ \
255 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
256 (dest)[__NEW_UTS_LEN] = '\0'; \
257 } while (0)
258
259static int sys_uname(struct new_utsname *buf)
260{
261 struct utsname uts_buf;
262
263 if (uname(&uts_buf) < 0)
264 return (-1);
265
266 /*
267 * Just in case these have some differences, we
268 * translate utsname to new_utsname (which is the
269 * struct linux kernel uses).
270 */
271
272 bzero(buf, sizeof (*buf));
273 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
274 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
275 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
276 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
277 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
278#ifdef _GNU_SOURCE
279 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
280#endif
281 return (0);
282
283#undef COPY_UTSNAME_FIELD
284}
285
286static int sys_getcwd1(char *buf, size_t size)
287{
288 if (getcwd(buf, size) == NULL) {
289 /* getcwd() sets errno */
290 return (-1);
291 }
aaf4ad39 292 return strlen(buf)+1;
3b3f24ad
AJ		 293}
294
295#ifdef CONFIG_ATFILE
296/*
297 * Host system seems to have atfile syscall stubs available. We
298 * now enable them one by one as specified by target syscall_nr.h.
299 */
300
301#ifdef TARGET_NR_faccessat
465c9f06 302static int sys_faccessat(int dirfd, const char *pathname, int mode)
3b3f24ad 303{
465c9f06 304 return (faccessat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 305}
306#endif
307#ifdef TARGET_NR_fchmodat
465c9f06 308static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
3b3f24ad 309{
465c9f06 310 return (fchmodat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 311}
312#endif
fda33744 313#if defined(TARGET_NR_fchownat) && defined(USE_UID16)
3b3f24ad
AJ		 314static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
315 gid_t group, int flags)
316{
317 return (fchownat(dirfd, pathname, owner, group, flags));
318}
319#endif
320#ifdef __NR_fstatat64
321static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
322 int flags)
323{
324 return (fstatat(dirfd, pathname, buf, flags));
325}
326#endif
327#ifdef __NR_newfstatat
328static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
329 int flags)
330{
331 return (fstatat(dirfd, pathname, buf, flags));
332}
333#endif
334#ifdef TARGET_NR_futimesat
335static int sys_futimesat(int dirfd, const char *pathname,
336 const struct timeval times[2])
337{
338 return (futimesat(dirfd, pathname, times));
339}
340#endif
341#ifdef TARGET_NR_linkat
342static int sys_linkat(int olddirfd, const char *oldpath,
343 int newdirfd, const char *newpath, int flags)
344{
345 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
346}
347#endif
348#ifdef TARGET_NR_mkdirat
349static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
350{
351 return (mkdirat(dirfd, pathname, mode));
352}
353#endif
354#ifdef TARGET_NR_mknodat
355static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
356 dev_t dev)
357{
358 return (mknodat(dirfd, pathname, mode, dev));
359}
360#endif
361#ifdef TARGET_NR_openat
362static int sys_openat(int dirfd, const char *pathname, int flags, ...)
363{
364 /*
365 * open(2) has extra parameter 'mode' when called with
366 * flag O_CREAT.
367 */
368 if ((flags & O_CREAT) != 0) {
369 va_list ap;
370 mode_t mode;
371
372 /*
373 * Get the 'mode' parameter and translate it to
374 * host bits.
375 */
376 va_start(ap, flags);
377 mode = va_arg(ap, mode_t);
378 mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
379 va_end(ap);
380
381 return (openat(dirfd, pathname, flags, mode));
382 }
383 return (openat(dirfd, pathname, flags));
384}
385#endif
386#ifdef TARGET_NR_readlinkat
387static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
388{
389 return (readlinkat(dirfd, pathname, buf, bufsiz));
390}
391#endif
392#ifdef TARGET_NR_renameat
393static int sys_renameat(int olddirfd, const char *oldpath,
394 int newdirfd, const char *newpath)
395{
396 return (renameat(olddirfd, oldpath, newdirfd, newpath));
397}
398#endif
399#ifdef TARGET_NR_symlinkat
400static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
401{
402 return (symlinkat(oldpath, newdirfd, newpath));
403}
404#endif
405#ifdef TARGET_NR_unlinkat
406static int sys_unlinkat(int dirfd, const char *pathname, int flags)
407{
408 return (unlinkat(dirfd, pathname, flags));
409}
410#endif
3b3f24ad
AJ		 411#else /* !CONFIG_ATFILE */
412
413/*
414 * Try direct syscalls instead
415 */
92a34c10 416#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
465c9f06 417_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
92a34c10 418#endif
814d7977 419#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
465c9f06 420_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
814d7977 421#endif
4583f589 422#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
ccfa72b7
TS		 423_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
424 uid_t,owner,gid_t,group,int,flags)
425#endif
9d33b76b
AJ		 426#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
427 defined(__NR_fstatat64)
6a24a778
AZ		 428_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
429 struct stat *,buf,int,flags)
430#endif
ac8a6556
AZ		 431#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
432_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
433 const struct timeval *,times)
434#endif
3b3f24ad
AJ		 435#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
436 defined(__NR_newfstatat)
437_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
438 struct stat *,buf,int,flags)
8fcd3692 439#endif
64f0ce4c
TS		 440#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
441_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
3b3f24ad 442 int,newdirfd,const char *,newpath,int,flags)
64f0ce4c 443#endif
4472ad0d
TS		 444#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
445_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
446#endif
75ac37a0
TS		 447#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
448_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
449 mode_t,mode,dev_t,dev)
450#endif
82424832
TS		 451#if defined(TARGET_NR_openat) && defined(__NR_openat)
452_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
453#endif
5e0ccb18
TS		 454#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
455_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
456 char *,buf,size_t,bufsize)
457#endif
722183f6
TS		 458#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
459_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
460 int,newdirfd,const char *,newpath)
461#endif
b51eaa82 462#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 463_syscall3(int,sys_symlinkat,const char *,oldpath,
464 int,newdirfd,const char *,newpath)
465#endif
8170f56b
TS		 466#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
467_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
468#endif
ebc996f3
RV		 469
470#endif /* CONFIG_ATFILE */
471
472#ifdef CONFIG_UTIMENSAT
473static int sys_utimensat(int dirfd, const char *pathname,
474 const struct timespec times[2], int flags)
475{
476 if (pathname == NULL)
477 return futimens(dirfd, times);
478 else
479 return utimensat(dirfd, pathname, times, flags);
480}
481#else
9007f0ef
TS		 482#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
483_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
484 const struct timespec *,tsp,int,flags)
485#endif
ebc996f3 486#endif /* CONFIG_UTIMENSAT */
3b3f24ad
AJ		 487
488#ifdef CONFIG_INOTIFY
8690e420 489#include <sys/inotify.h>
3b3f24ad 490
39b59763 491#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 492static int sys_inotify_init(void)
493{
494 return (inotify_init());
495}
39b59763
AJ		 496#endif
497#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 498static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
499{
500 return (inotify_add_watch(fd, pathname, mask));
501}
39b59763
AJ		 502#endif
503#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 504static int sys_inotify_rm_watch(int fd, int32_t wd)
505{
8690e420 506 return (inotify_rm_watch(fd, wd));
3b3f24ad 507}
bd0c5661 508#endif
3b3f24ad
AJ		 509#else
510/* Userspace can usually survive runtime without inotify */
511#undef TARGET_NR_inotify_init
512#undef TARGET_NR_inotify_add_watch
513#undef TARGET_NR_inotify_rm_watch
514#endif /* CONFIG_INOTIFY */
515
66fb9763
FB		 516
517extern int personality(int);
9de5e440
FB		 518extern int flock(int, int);
519extern int setfsuid(int);
520extern int setfsgid(int);
19b84f3c 521extern int setgroups(int, gid_t *);
31e31b8a 522
b92c47c1
TS		 523#define ERRNO_TABLE_SIZE 1200
524
525/* target_to_host_errno_table[] is initialized from
526 * host_to_target_errno_table[] in syscall_init(). */
527static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
528};
529
637947f1 530/*
fe8f096b 531 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 532 * minus the errnos that are not actually generic to all archs.
533 */
b92c47c1 534static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 535 [EIDRM] = TARGET_EIDRM,
536 [ECHRNG] = TARGET_ECHRNG,
537 [EL2NSYNC] = TARGET_EL2NSYNC,
538 [EL3HLT] = TARGET_EL3HLT,
539 [EL3RST] = TARGET_EL3RST,
540 [ELNRNG] = TARGET_ELNRNG,
541 [EUNATCH] = TARGET_EUNATCH,
542 [ENOCSI] = TARGET_ENOCSI,
543 [EL2HLT] = TARGET_EL2HLT,
544 [EDEADLK] = TARGET_EDEADLK,
545 [ENOLCK] = TARGET_ENOLCK,
546 [EBADE] = TARGET_EBADE,
547 [EBADR] = TARGET_EBADR,
548 [EXFULL] = TARGET_EXFULL,
549 [ENOANO] = TARGET_ENOANO,
550 [EBADRQC] = TARGET_EBADRQC,
551 [EBADSLT] = TARGET_EBADSLT,
552 [EBFONT] = TARGET_EBFONT,
553 [ENOSTR] = TARGET_ENOSTR,
554 [ENODATA] = TARGET_ENODATA,
555 [ETIME] = TARGET_ETIME,
556 [ENOSR] = TARGET_ENOSR,
557 [ENONET] = TARGET_ENONET,
558 [ENOPKG] = TARGET_ENOPKG,
559 [EREMOTE] = TARGET_EREMOTE,
560 [ENOLINK] = TARGET_ENOLINK,
561 [EADV] = TARGET_EADV,
562 [ESRMNT] = TARGET_ESRMNT,
563 [ECOMM] = TARGET_ECOMM,
564 [EPROTO] = TARGET_EPROTO,
565 [EDOTDOT] = TARGET_EDOTDOT,
566 [EMULTIHOP] = TARGET_EMULTIHOP,
567 [EBADMSG] = TARGET_EBADMSG,
568 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
569 [EOVERFLOW] = TARGET_EOVERFLOW,
570 [ENOTUNIQ] = TARGET_ENOTUNIQ,
571 [EBADFD] = TARGET_EBADFD,
572 [EREMCHG] = TARGET_EREMCHG,
573 [ELIBACC] = TARGET_ELIBACC,
574 [ELIBBAD] = TARGET_ELIBBAD,
575 [ELIBSCN] = TARGET_ELIBSCN,
576 [ELIBMAX] = TARGET_ELIBMAX,
577 [ELIBEXEC] = TARGET_ELIBEXEC,
578 [EILSEQ] = TARGET_EILSEQ,
579 [ENOSYS] = TARGET_ENOSYS,
580 [ELOOP] = TARGET_ELOOP,
581 [ERESTART] = TARGET_ERESTART,
582 [ESTRPIPE] = TARGET_ESTRPIPE,
583 [ENOTEMPTY] = TARGET_ENOTEMPTY,
584 [EUSERS] = TARGET_EUSERS,
585 [ENOTSOCK] = TARGET_ENOTSOCK,
586 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
587 [EMSGSIZE] = TARGET_EMSGSIZE,
588 [EPROTOTYPE] = TARGET_EPROTOTYPE,
589 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
590 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
591 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
592 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
593 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
594 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
595 [EADDRINUSE] = TARGET_EADDRINUSE,
596 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
597 [ENETDOWN] = TARGET_ENETDOWN,
598 [ENETUNREACH] = TARGET_ENETUNREACH,
599 [ENETRESET] = TARGET_ENETRESET,
600 [ECONNABORTED] = TARGET_ECONNABORTED,
601 [ECONNRESET] = TARGET_ECONNRESET,
602 [ENOBUFS] = TARGET_ENOBUFS,
603 [EISCONN] = TARGET_EISCONN,
604 [ENOTCONN] = TARGET_ENOTCONN,
605 [EUCLEAN] = TARGET_EUCLEAN,
606 [ENOTNAM] = TARGET_ENOTNAM,
607 [ENAVAIL] = TARGET_ENAVAIL,
608 [EISNAM] = TARGET_EISNAM,
609 [EREMOTEIO] = TARGET_EREMOTEIO,
610 [ESHUTDOWN] = TARGET_ESHUTDOWN,
611 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
612 [ETIMEDOUT] = TARGET_ETIMEDOUT,
613 [ECONNREFUSED] = TARGET_ECONNREFUSED,
614 [EHOSTDOWN] = TARGET_EHOSTDOWN,
615 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
616 [EALREADY] = TARGET_EALREADY,
617 [EINPROGRESS] = TARGET_EINPROGRESS,
618 [ESTALE] = TARGET_ESTALE,
619 [ECANCELED] = TARGET_ECANCELED,
620 [ENOMEDIUM] = TARGET_ENOMEDIUM,
621 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 622#ifdef ENOKEY
637947f1 623 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 624#endif
625#ifdef EKEYEXPIRED
637947f1 626 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 627#endif
628#ifdef EKEYREVOKED
637947f1 629 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 630#endif
631#ifdef EKEYREJECTED
637947f1 632 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 633#endif
634#ifdef EOWNERDEAD
637947f1 635 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 636#endif
637#ifdef ENOTRECOVERABLE
637947f1 638 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 639#endif
b92c47c1 640};
637947f1
TS		 641
642static inline int host_to_target_errno(int err)
643{
644 if(host_to_target_errno_table[err])
645 return host_to_target_errno_table[err];
646 return err;
647}
648
b92c47c1
TS		 649static inline int target_to_host_errno(int err)
650{
651 if (target_to_host_errno_table[err])
652 return target_to_host_errno_table[err];
653 return err;
654}
655
992f48a0 656static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 657{
658 if (ret == -1)
637947f1 659 return -host_to_target_errno(errno);
31e31b8a
FB		 660 else
661 return ret;
662}
663
992f48a0 664static inline int is_error(abi_long ret)
31e31b8a 665{
992f48a0 666 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 667}
668
b92c47c1
TS		 669char *target_strerror(int err)
670{
671 return strerror(target_to_host_errno(err));
672}
673
992f48a0
BS		 674static abi_ulong target_brk;
675static abi_ulong target_original_brk;
31e31b8a 676
992f48a0 677void target_set_brk(abi_ulong new_brk)
31e31b8a 678{
4c1de73d 679 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
31e31b8a
FB		 680}
681
0da46a6e 682/* do_brk() must return target values and target errnos. */
992f48a0 683abi_long do_brk(abi_ulong new_brk)
31e31b8a 684{
992f48a0
BS		 685 abi_ulong brk_page;
686 abi_long mapped_addr;
31e31b8a
FB		 687 int new_alloc_size;
688
689 if (!new_brk)
53a5960a 690 return target_brk;
31e31b8a 691 if (new_brk < target_original_brk)
7ab240ad 692 return target_brk;
3b46e624 693
53a5960a 694 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 695
696 /* If the new brk is less than this, set it and we're done... */
697 if (new_brk < brk_page) {
698 target_brk = new_brk;
53a5960a 699 return target_brk;
31e31b8a
FB		 700 }
701
702 /* We need to allocate more memory after the brk... */
54936004 703 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
5fafdf24 704 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 705 PROT_READ|PROT_WRITE,
706 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
7ab240ad
AZ		 707
708 if (!is_error(mapped_addr))
31e31b8a 709 target_brk = new_brk;
7ab240ad
AZ		 710
711 return target_brk;
31e31b8a
FB		 712}
713
26edcf41
TS		 714static inline abi_long copy_from_user_fdset(fd_set *fds,
715 abi_ulong target_fds_addr,
716 int n)
31e31b8a 717{
26edcf41
TS		 718 int i, nw, j, k;
719 abi_ulong b, *target_fds;
720
721 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
722 if (!(target_fds = lock_user(VERIFY_READ,
723 target_fds_addr,
724 sizeof(abi_ulong) * nw,
725 1)))
726 return -TARGET_EFAULT;
727
728 FD_ZERO(fds);
729 k = 0;
730 for (i = 0; i < nw; i++) {
731 /* grab the abi_ulong */
732 __get_user(b, &target_fds[i]);
733 for (j = 0; j < TARGET_ABI_BITS; j++) {
734 /* check the bit inside the abi_ulong */
735 if ((b >> j) & 1)
736 FD_SET(k, fds);
737 k++;
31e31b8a 738 }
31e31b8a 739 }
26edcf41
TS		 740
741 unlock_user(target_fds, target_fds_addr, 0);
742
743 return 0;
31e31b8a
FB		 744}
745
26edcf41
TS		 746static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
747 const fd_set *fds,
748 int n)
31e31b8a 749{
31e31b8a 750 int i, nw, j, k;
992f48a0 751 abi_long v;
26edcf41 752 abi_ulong *target_fds;
31e31b8a 753
26edcf41
TS		 754 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
755 if (!(target_fds = lock_user(VERIFY_WRITE,
756 target_fds_addr,
757 sizeof(abi_ulong) * nw,
758 0)))
759 return -TARGET_EFAULT;
760
761 k = 0;
762 for (i = 0; i < nw; i++) {
763 v = 0;
764 for (j = 0; j < TARGET_ABI_BITS; j++) {
765 v |= ((FD_ISSET(k, fds) != 0) << j);
766 k++;
31e31b8a 767 }
26edcf41 768 __put_user(v, &target_fds[i]);
31e31b8a 769 }
26edcf41
TS		 770
771 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
772
773 return 0;
31e31b8a
FB		 774}
775
c596ed17
FB		 776#if defined(__alpha__)
777#define HOST_HZ 1024
778#else
779#define HOST_HZ 100
780#endif
781
992f48a0 782static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 783{
784#if HOST_HZ == TARGET_HZ
785 return ticks;
786#else
787 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
788#endif
789}
790
579a97f7
FB		 791static inline abi_long host_to_target_rusage(abi_ulong target_addr,
792 const struct rusage *rusage)
b409186b 793{
53a5960a
PB		 794 struct target_rusage *target_rusage;
795
579a97f7
FB		 796 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
797 return -TARGET_EFAULT;
b409186b
FB		 798 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
799 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
800 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
801 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
802 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
803 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
804 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
805 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
806 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
807 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
808 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
809 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
810 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
811 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
812 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
813 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
814 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
815 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 816 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 817
818 return 0;
b409186b
FB		 819}
820
788f5ec4
TS		 821static inline abi_long copy_from_user_timeval(struct timeval *tv,
822 abi_ulong target_tv_addr)
31e31b8a 823{
53a5960a
PB		 824 struct target_timeval *target_tv;
825
788f5ec4 826 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 827 return -TARGET_EFAULT;
788f5ec4
TS		 828
829 __get_user(tv->tv_sec, &target_tv->tv_sec);
830 __get_user(tv->tv_usec, &target_tv->tv_usec);
831
832 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 833
834 return 0;
31e31b8a
FB		 835}
836
788f5ec4
TS		 837static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
838 const struct timeval *tv)
31e31b8a 839{
53a5960a
PB		 840 struct target_timeval *target_tv;
841
788f5ec4 842 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 843 return -TARGET_EFAULT;
788f5ec4
TS		 844
845 __put_user(tv->tv_sec, &target_tv->tv_sec);
846 __put_user(tv->tv_usec, &target_tv->tv_usec);
847
848 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 849
850 return 0;
31e31b8a
FB		 851}
852
24e1003a
AJ		 853static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
854 abi_ulong target_mq_attr_addr)
855{
856 struct target_mq_attr *target_mq_attr;
857
858 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
859 target_mq_attr_addr, 1))
860 return -TARGET_EFAULT;
861
862 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
863 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
864 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
865 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
866
867 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
868
869 return 0;
870}
871
872static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
873 const struct mq_attr *attr)
874{
875 struct target_mq_attr *target_mq_attr;
876
877 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
878 target_mq_attr_addr, 0))
879 return -TARGET_EFAULT;
880
881 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
882 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
883 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
884 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
885
886 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
887
888 return 0;
889}
31e31b8a 890
0da46a6e 891/* do_select() must return target values and target errnos. */
992f48a0 892static abi_long do_select(int n,
26edcf41
TS		 893 abi_ulong rfd_addr, abi_ulong wfd_addr,
894 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 895{
896 fd_set rfds, wfds, efds;
897 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
898 struct timeval tv, *tv_ptr;
992f48a0 899 abi_long ret;
31e31b8a 900
26edcf41
TS		 901 if (rfd_addr) {
902 if (copy_from_user_fdset(&rfds, rfd_addr, n))
903 return -TARGET_EFAULT;
904 rfds_ptr = &rfds;
53a5960a 905 } else {
53a5960a
PB		 906 rfds_ptr = NULL;
907 }
26edcf41
TS		 908 if (wfd_addr) {
909 if (copy_from_user_fdset(&wfds, wfd_addr, n))
910 return -TARGET_EFAULT;
911 wfds_ptr = &wfds;
53a5960a 912 } else {
53a5960a
PB		 913 wfds_ptr = NULL;
914 }
26edcf41
TS		 915 if (efd_addr) {
916 if (copy_from_user_fdset(&efds, efd_addr, n))
917 return -TARGET_EFAULT;
918 efds_ptr = &efds;
53a5960a 919 } else {
53a5960a
PB		 920 efds_ptr = NULL;
921 }
3b46e624 922
26edcf41 923 if (target_tv_addr) {
788f5ec4
TS		 924 if (copy_from_user_timeval(&tv, target_tv_addr))
925 return -TARGET_EFAULT;
31e31b8a
FB		 926 tv_ptr = &tv;
927 } else {
928 tv_ptr = NULL;
929 }
26edcf41 930
31e31b8a 931 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 932
26edcf41
TS		 933 if (!is_error(ret)) {
934 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
935 return -TARGET_EFAULT;
936 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
937 return -TARGET_EFAULT;
938 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
939 return -TARGET_EFAULT;
31e31b8a 940
788f5ec4
TS		 941 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
942 return -TARGET_EFAULT;
31e31b8a 943 }
579a97f7 944
31e31b8a
FB		 945 return ret;
946}
947
099d6b0f
RV		 948static abi_long do_pipe2(int host_pipe[], int flags)
949{
950#ifdef CONFIG_PIPE2
951 return pipe2(host_pipe, flags);
952#else
953 return -ENOSYS;
954#endif
955}
956
784ccfdb 957static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, int flags)
099d6b0f
RV		 958{
959 int host_pipe[2];
960 abi_long ret;
961 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
962
963 if (is_error(ret))
964 return get_errno(ret);
965#if defined(TARGET_MIPS)
966 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
967 ret = host_pipe[0];
968#elif defined(TARGET_SH4)
969 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
970 ret = host_pipe[0];
971#else
972 if (put_user_s32(host_pipe[0], pipedes)
973 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
974 return -TARGET_EFAULT;
975#endif
976 return get_errno(ret);
977}
978
b975b83b
LL		 979static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
980 abi_ulong target_addr,
981 socklen_t len)
982{
983 struct target_ip_mreqn *target_smreqn;
984
985 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
986 if (!target_smreqn)
987 return -TARGET_EFAULT;
988 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
989 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
990 if (len == sizeof(struct target_ip_mreqn))
991 mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
992 unlock_user(target_smreqn, target_addr, 0);
993
994 return 0;
995}
996
579a97f7
FB		 997static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
998 abi_ulong target_addr,
999 socklen_t len)
7854b056 1000{
607175e0
AJ		 1001 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1002 sa_family_t sa_family;
53a5960a
PB		 1003 struct target_sockaddr *target_saddr;
1004
579a97f7
FB		 1005 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1006 if (!target_saddr)
1007 return -TARGET_EFAULT;
607175e0
AJ		 1008
1009 sa_family = tswap16(target_saddr->sa_family);
1010
1011 /* Oops. The caller might send a incomplete sun_path; sun_path
1012 * must be terminated by \0 (see the manual page), but
1013 * unfortunately it is quite common to specify sockaddr_un
1014 * length as "strlen(x->sun_path)" while it should be
1015 * "strlen(...) + 1". We'll fix that here if needed.
1016 * Linux kernel has a similar feature.
1017 */
1018
1019 if (sa_family == AF_UNIX) {
1020 if (len < unix_maxlen && len > 0) {
1021 char *cp = (char*)target_saddr;
1022
1023 if ( cp[len-1] && !cp[len] )
1024 len++;
1025 }
1026 if (len > unix_maxlen)
1027 len = unix_maxlen;
1028 }
1029
53a5960a 1030 memcpy(addr, target_saddr, len);
607175e0 1031 addr->sa_family = sa_family;
53a5960a 1032 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1033
1034 return 0;
7854b056
FB		 1035}
1036
579a97f7
FB		 1037static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1038 struct sockaddr *addr,
1039 socklen_t len)
7854b056 1040{
53a5960a
PB		 1041 struct target_sockaddr *target_saddr;
1042
579a97f7
FB		 1043 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1044 if (!target_saddr)
1045 return -TARGET_EFAULT;
53a5960a
PB		 1046 memcpy(target_saddr, addr, len);
1047 target_saddr->sa_family = tswap16(addr->sa_family);
1048 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1049
1050 return 0;
7854b056
FB		 1051}
1052
53a5960a 1053/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1054static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1055 struct target_msghdr *target_msgh)
7854b056
FB		 1056{
1057 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1058 abi_long msg_controllen;
1059 abi_ulong target_cmsg_addr;
1060 struct target_cmsghdr *target_cmsg;
7854b056 1061 socklen_t space = 0;
5a4a898d
FB		 1062
1063 msg_controllen = tswapl(target_msgh->msg_controllen);
1064 if (msg_controllen < sizeof (struct target_cmsghdr))
1065 goto the_end;
1066 target_cmsg_addr = tswapl(target_msgh->msg_control);
1067 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1068 if (!target_cmsg)
1069 return -TARGET_EFAULT;
7854b056
FB		 1070
1071 while (cmsg && target_cmsg) {
1072 void *data = CMSG_DATA(cmsg);
1073 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1074
5fafdf24 1075 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 1076 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1077
1078 space += CMSG_SPACE(len);
1079 if (space > msgh->msg_controllen) {
1080 space -= CMSG_SPACE(len);
31febb71 1081 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1082 break;
1083 }
1084
1085 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1086 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1087 cmsg->cmsg_len = CMSG_LEN(len);
1088
3532fa74 1089 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1090 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1091 memcpy(data, target_data, len);
1092 } else {
1093 int *fd = (int *)data;
1094 int *target_fd = (int *)target_data;
1095 int i, numfds = len / sizeof(int);
1096
1097 for (i = 0; i < numfds; i++)
1098 fd[i] = tswap32(target_fd[i]);
1099 }
1100
1101 cmsg = CMSG_NXTHDR(msgh, cmsg);
1102 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1103 }
5a4a898d
FB		 1104 unlock_user(target_cmsg, target_cmsg_addr, 0);
1105 the_end:
7854b056 1106 msgh->msg_controllen = space;
5a4a898d 1107 return 0;
7854b056
FB		 1108}
1109
53a5960a 1110/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1111static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1112 struct msghdr *msgh)
7854b056
FB		 1113{
1114 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1115 abi_long msg_controllen;
1116 abi_ulong target_cmsg_addr;
1117 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1118 socklen_t space = 0;
1119
5a4a898d
FB		 1120 msg_controllen = tswapl(target_msgh->msg_controllen);
1121 if (msg_controllen < sizeof (struct target_cmsghdr))
1122 goto the_end;
1123 target_cmsg_addr = tswapl(target_msgh->msg_control);
1124 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1125 if (!target_cmsg)
1126 return -TARGET_EFAULT;
1127
7854b056
FB		 1128 while (cmsg && target_cmsg) {
1129 void *data = CMSG_DATA(cmsg);
1130 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1131
1132 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1133
1134 space += TARGET_CMSG_SPACE(len);
5a4a898d 1135 if (space > msg_controllen) {
7854b056 1136 space -= TARGET_CMSG_SPACE(len);
31febb71 1137 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1138 break;
1139 }
1140
1141 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1142 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1143 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1144
3532fa74 1145 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1146 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1147 memcpy(target_data, data, len);
1148 } else {
1149 int *fd = (int *)data;
1150 int *target_fd = (int *)target_data;
1151 int i, numfds = len / sizeof(int);
1152
1153 for (i = 0; i < numfds; i++)
1154 target_fd[i] = tswap32(fd[i]);
1155 }
1156
1157 cmsg = CMSG_NXTHDR(msgh, cmsg);
1158 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1159 }
5a4a898d
FB		 1160 unlock_user(target_cmsg, target_cmsg_addr, space);
1161 the_end:
1162 target_msgh->msg_controllen = tswapl(space);
1163 return 0;
7854b056
FB		 1164}
1165
0da46a6e 1166/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1167static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1168 abi_ulong optval_addr, socklen_t optlen)
7854b056 1169{
992f48a0 1170 abi_long ret;
32407103 1171 int val;
b975b83b 1172 struct ip_mreqn *ip_mreq;
6e3cb58f 1173 struct ip_mreq_source *ip_mreq_source;
3b46e624 1174
8853f86e
FB		 1175 switch(level) {
1176 case SOL_TCP:
7854b056 1177 /* TCP options all take an 'int' value. */
7854b056 1178 if (optlen < sizeof(uint32_t))
0da46a6e 1179 return -TARGET_EINVAL;
3b46e624 1180
2f619698
FB		 1181 if (get_user_u32(val, optval_addr))
1182 return -TARGET_EFAULT;
8853f86e
FB		 1183 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1184 break;
1185 case SOL_IP:
1186 switch(optname) {
2efbe911
FB		 1187 case IP_TOS:
1188 case IP_TTL:
8853f86e 1189 case IP_HDRINCL:
2efbe911
FB		 1190 case IP_ROUTER_ALERT:
1191 case IP_RECVOPTS:
1192 case IP_RETOPTS:
1193 case IP_PKTINFO:
1194 case IP_MTU_DISCOVER:
1195 case IP_RECVERR:
1196 case IP_RECVTOS:
1197#ifdef IP_FREEBIND
1198 case IP_FREEBIND:
1199#endif
1200 case IP_MULTICAST_TTL:
1201 case IP_MULTICAST_LOOP:
8853f86e
FB		 1202 val = 0;
1203 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1204 if (get_user_u32(val, optval_addr))
1205 return -TARGET_EFAULT;
8853f86e 1206 } else if (optlen >= 1) {
2f619698
FB		 1207 if (get_user_u8(val, optval_addr))
1208 return -TARGET_EFAULT;
8853f86e
FB		 1209 }
1210 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1211 break;
b975b83b
LL		 1212 case IP_ADD_MEMBERSHIP:
1213 case IP_DROP_MEMBERSHIP:
1214 if (optlen < sizeof (struct target_ip_mreq) ||
1215 optlen > sizeof (struct target_ip_mreqn))
1216 return -TARGET_EINVAL;
1217
1218 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1219 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1220 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1221 break;
1222
6e3cb58f
LL		 1223 case IP_BLOCK_SOURCE:
1224 case IP_UNBLOCK_SOURCE:
1225 case IP_ADD_SOURCE_MEMBERSHIP:
1226 case IP_DROP_SOURCE_MEMBERSHIP:
1227 if (optlen != sizeof (struct target_ip_mreq_source))
1228 return -TARGET_EINVAL;
1229
1230 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1231 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1232 unlock_user (ip_mreq_source, optval_addr, 0);
1233 break;
1234
8853f86e
FB		 1235 default:
1236 goto unimplemented;
1237 }
1238 break;
3532fa74 1239 case TARGET_SOL_SOCKET:
8853f86e
FB		 1240 switch (optname) {
1241 /* Options with 'int' argument. */
3532fa74
FB		 1242 case TARGET_SO_DEBUG:
1243 optname = SO_DEBUG;
1244 break;
1245 case TARGET_SO_REUSEADDR:
1246 optname = SO_REUSEADDR;
1247 break;
1248 case TARGET_SO_TYPE:
1249 optname = SO_TYPE;
1250 break;
1251 case TARGET_SO_ERROR:
1252 optname = SO_ERROR;
1253 break;
1254 case TARGET_SO_DONTROUTE:
1255 optname = SO_DONTROUTE;
1256 break;
1257 case TARGET_SO_BROADCAST:
1258 optname = SO_BROADCAST;
1259 break;
1260 case TARGET_SO_SNDBUF:
1261 optname = SO_SNDBUF;
1262 break;
1263 case TARGET_SO_RCVBUF:
1264 optname = SO_RCVBUF;
1265 break;
1266 case TARGET_SO_KEEPALIVE:
1267 optname = SO_KEEPALIVE;
1268 break;
1269 case TARGET_SO_OOBINLINE:
1270 optname = SO_OOBINLINE;
1271 break;
1272 case TARGET_SO_NO_CHECK:
1273 optname = SO_NO_CHECK;
1274 break;
1275 case TARGET_SO_PRIORITY:
1276 optname = SO_PRIORITY;
1277 break;
5e83e8e3 1278#ifdef SO_BSDCOMPAT
3532fa74
FB		 1279 case TARGET_SO_BSDCOMPAT:
1280 optname = SO_BSDCOMPAT;
1281 break;
5e83e8e3 1282#endif
3532fa74
FB		 1283 case TARGET_SO_PASSCRED:
1284 optname = SO_PASSCRED;
1285 break;
1286 case TARGET_SO_TIMESTAMP:
1287 optname = SO_TIMESTAMP;
1288 break;
1289 case TARGET_SO_RCVLOWAT:
1290 optname = SO_RCVLOWAT;
1291 break;
1292 case TARGET_SO_RCVTIMEO:
1293 optname = SO_RCVTIMEO;
1294 break;
1295 case TARGET_SO_SNDTIMEO:
1296 optname = SO_SNDTIMEO;
1297 break;
8853f86e
FB		 1298 break;
1299 default:
1300 goto unimplemented;
1301 }
3532fa74 1302 if (optlen < sizeof(uint32_t))
2f619698 1303 return -TARGET_EINVAL;
3532fa74 1304
2f619698
FB		 1305 if (get_user_u32(val, optval_addr))
1306 return -TARGET_EFAULT;
3532fa74 1307 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1308 break;
7854b056 1309 default:
8853f86e
FB		 1310 unimplemented:
1311 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
6fa13c17 1312 ret = -TARGET_ENOPROTOOPT;
7854b056 1313 }
8853f86e 1314 return ret;
7854b056
FB		 1315}
1316
0da46a6e 1317/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1318static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1319 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1320{
992f48a0 1321 abi_long ret;
b55266b5
BS		 1322 int len, val;
1323 socklen_t lv;
8853f86e
FB		 1324
1325 switch(level) {
3532fa74
FB		 1326 case TARGET_SOL_SOCKET:
1327 level = SOL_SOCKET;
8853f86e 1328 switch (optname) {
3532fa74
FB		 1329 case TARGET_SO_LINGER:
1330 case TARGET_SO_RCVTIMEO:
1331 case TARGET_SO_SNDTIMEO:
1332 case TARGET_SO_PEERCRED:
1333 case TARGET_SO_PEERNAME:
8853f86e
FB		 1334 /* These don't just return a single integer */
1335 goto unimplemented;
1336 default:
2efbe911
FB		 1337 goto int_case;
1338 }
1339 break;
1340 case SOL_TCP:
1341 /* TCP options all take an 'int' value. */
1342 int_case:
2f619698
FB		 1343 if (get_user_u32(len, optlen))
1344 return -TARGET_EFAULT;
2efbe911 1345 if (len < 0)
0da46a6e 1346 return -TARGET_EINVAL;
2efbe911
FB		 1347 lv = sizeof(int);
1348 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1349 if (ret < 0)
1350 return ret;
2efbe911
FB		 1351 if (len > lv)
1352 len = lv;
2f619698
FB		 1353 if (len == 4) {
1354 if (put_user_u32(val, optval_addr))
1355 return -TARGET_EFAULT;
1356 } else {
1357 if (put_user_u8(val, optval_addr))
1358 return -TARGET_EFAULT;
1359 }
1360 if (put_user_u32(len, optlen))
1361 return -TARGET_EFAULT;
2efbe911
FB		 1362 break;
1363 case SOL_IP:
1364 switch(optname) {
1365 case IP_TOS:
1366 case IP_TTL:
1367 case IP_HDRINCL:
1368 case IP_ROUTER_ALERT:
1369 case IP_RECVOPTS:
1370 case IP_RETOPTS:
1371 case IP_PKTINFO:
1372 case IP_MTU_DISCOVER:
1373 case IP_RECVERR:
1374 case IP_RECVTOS:
1375#ifdef IP_FREEBIND
1376 case IP_FREEBIND:
1377#endif
1378 case IP_MULTICAST_TTL:
1379 case IP_MULTICAST_LOOP:
2f619698
FB		 1380 if (get_user_u32(len, optlen))
1381 return -TARGET_EFAULT;
8853f86e 1382 if (len < 0)
0da46a6e 1383 return -TARGET_EINVAL;
8853f86e
FB		 1384 lv = sizeof(int);
1385 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1386 if (ret < 0)
1387 return ret;
2efbe911 1388 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1389 len = 1;
2f619698
FB		 1390 if (put_user_u32(len, optlen)
1391 || put_user_u8(val, optval_addr))
1392 return -TARGET_EFAULT;
2efbe911 1393 } else {
2efbe911
FB		 1394 if (len > sizeof(int))
1395 len = sizeof(int);
2f619698
FB		 1396 if (put_user_u32(len, optlen)
1397 || put_user_u32(val, optval_addr))
1398 return -TARGET_EFAULT;
2efbe911 1399 }
8853f86e 1400 break;
2efbe911 1401 default:
c02f499e
TS		 1402 ret = -TARGET_ENOPROTOOPT;
1403 break;
8853f86e
FB		 1404 }
1405 break;
1406 default:
1407 unimplemented:
1408 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1409 level, optname);
c02f499e 1410 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1411 break;
1412 }
1413 return ret;
7854b056
FB		 1414}
1415
579a97f7
FB		 1416/* FIXME
1417 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1418 * other lock functions have a return code of 0 for failure.
1419 */
1420static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1421 int count, int copy)
53a5960a
PB		 1422{
1423 struct target_iovec *target_vec;
992f48a0 1424 abi_ulong base;
d732dcb4 1425 int i;
53a5960a 1426
579a97f7
FB		 1427 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1428 if (!target_vec)
1429 return -TARGET_EFAULT;
53a5960a
PB		 1430 for(i = 0;i < count; i++) {
1431 base = tswapl(target_vec[i].iov_base);
1432 vec[i].iov_len = tswapl(target_vec[i].iov_len);
41df8411
FB		 1433 if (vec[i].iov_len != 0) {
1434 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1435 /* Don't check lock_user return value. We must call writev even
1436 if a element has invalid base address. */
41df8411
FB		 1437 } else {
1438 /* zero length pointer is ignored */
1439 vec[i].iov_base = NULL;
1440 }
579a97f7
FB		 1441 }
1442 unlock_user (target_vec, target_addr, 0);
1443 return 0;
53a5960a
PB		 1444}
1445
579a97f7
FB		 1446static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1447 int count, int copy)
53a5960a
PB		 1448{
1449 struct target_iovec *target_vec;
992f48a0 1450 abi_ulong base;
53a5960a
PB		 1451 int i;
1452
579a97f7
FB		 1453 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1454 if (!target_vec)
1455 return -TARGET_EFAULT;
53a5960a 1456 for(i = 0;i < count; i++) {
d732dcb4
AZ		 1457 if (target_vec[i].iov_base) {
1458 base = tswapl(target_vec[i].iov_base);
1459 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1460 }
53a5960a
PB		 1461 }
1462 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1463
1464 return 0;
53a5960a
PB		 1465}
1466
0da46a6e 1467/* do_socket() Must return target values and target errnos. */
992f48a0 1468static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1469{
1470#if defined(TARGET_MIPS)
1471 switch(type) {
1472 case TARGET_SOCK_DGRAM:
1473 type = SOCK_DGRAM;
1474 break;
1475 case TARGET_SOCK_STREAM:
1476 type = SOCK_STREAM;
1477 break;
1478 case TARGET_SOCK_RAW:
1479 type = SOCK_RAW;
1480 break;
1481 case TARGET_SOCK_RDM:
1482 type = SOCK_RDM;
1483 break;
1484 case TARGET_SOCK_SEQPACKET:
1485 type = SOCK_SEQPACKET;
1486 break;
1487 case TARGET_SOCK_PACKET:
1488 type = SOCK_PACKET;
1489 break;
1490 }
1491#endif
12bc92ab
AZ		 1492 if (domain == PF_NETLINK)
1493 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1494 return get_errno(socket(domain, type, protocol));
1495}
1496
0da46a6e 1497/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1498static abi_long do_bind(int sockfd, abi_ulong target_addr,
1499 socklen_t addrlen)
3532fa74 1500{
8f7aeaf6 1501 void *addr;
917507b0 1502 abi_long ret;
8f7aeaf6 1503
be09ac41 1504 if (addrlen < 0)
8f7aeaf6
AJ		 1505 return -TARGET_EINVAL;
1506
607175e0 1507 addr = alloca(addrlen+1);
3b46e624 1508
917507b0
AP		 1509 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1510 if (ret)
1511 return ret;
1512
3532fa74
FB		 1513 return get_errno(bind(sockfd, addr, addrlen));
1514}
1515
0da46a6e 1516/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1517static abi_long do_connect(int sockfd, abi_ulong target_addr,
1518 socklen_t addrlen)
3532fa74 1519{
8f7aeaf6 1520 void *addr;
917507b0 1521 abi_long ret;
8f7aeaf6 1522
be09ac41 1523 if (addrlen < 0)
8f7aeaf6
AJ		 1524 return -TARGET_EINVAL;
1525
1526 addr = alloca(addrlen);
3b46e624 1527
917507b0
AP		 1528 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1529 if (ret)
1530 return ret;
1531
3532fa74
FB		 1532 return get_errno(connect(sockfd, addr, addrlen));
1533}
1534
0da46a6e 1535/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1536static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1537 int flags, int send)
3532fa74 1538{
6de645c7 1539 abi_long ret, len;
3532fa74
FB		 1540 struct target_msghdr *msgp;
1541 struct msghdr msg;
1542 int count;
1543 struct iovec *vec;
992f48a0 1544 abi_ulong target_vec;
3532fa74 1545
579a97f7
FB		 1546 /* FIXME */
1547 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1548 msgp,
1549 target_msg,
1550 send ? 1 : 0))
1551 return -TARGET_EFAULT;
3532fa74
FB		 1552 if (msgp->msg_name) {
1553 msg.msg_namelen = tswap32(msgp->msg_namelen);
1554 msg.msg_name = alloca(msg.msg_namelen);
917507b0 1555 ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
3532fa74 1556 msg.msg_namelen);
917507b0
AP		 1557 if (ret) {
1558 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1559 return ret;
1560 }
3532fa74
FB		 1561 } else {
1562 msg.msg_name = NULL;
1563 msg.msg_namelen = 0;
1564 }
1565 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1566 msg.msg_control = alloca(msg.msg_controllen);
1567 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1568
3532fa74
FB		 1569 count = tswapl(msgp->msg_iovlen);
1570 vec = alloca(count * sizeof(struct iovec));
1571 target_vec = tswapl(msgp->msg_iov);
579a97f7 1572 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1573 msg.msg_iovlen = count;
1574 msg.msg_iov = vec;
3b46e624 1575
3532fa74 1576 if (send) {
5a4a898d
FB		 1577 ret = target_to_host_cmsg(&msg, msgp);
1578 if (ret == 0)
1579 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1580 } else {
1581 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1582 if (!is_error(ret)) {
1583 len = ret;
5a4a898d 1584 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1585 if (!is_error(ret))
1586 ret = len;
1587 }
3532fa74
FB		 1588 }
1589 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1590 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1591 return ret;
1592}
1593
0da46a6e 1594/* do_accept() Must return target values and target errnos. */
992f48a0 1595static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1596 abi_ulong target_addrlen_addr)
1be9e1dc 1597{
2f619698
FB		 1598 socklen_t addrlen;
1599 void *addr;
992f48a0 1600 abi_long ret;
1be9e1dc 1601
917507b0
AP		 1602 if (target_addr == 0)
1603 return get_errno(accept(fd, NULL, NULL));
1604
1605 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1606 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1607 return -TARGET_EINVAL;
2f619698 1608
be09ac41 1609 if (addrlen < 0)
8f7aeaf6
AJ		 1610 return -TARGET_EINVAL;
1611
917507b0
AP		 1612 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1613 return -TARGET_EINVAL;
1614
2f619698
FB		 1615 addr = alloca(addrlen);
1616
1be9e1dc
PB		 1617 ret = get_errno(accept(fd, addr, &addrlen));
1618 if (!is_error(ret)) {
1619 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1620 if (put_user_u32(addrlen, target_addrlen_addr))
1621 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1622 }
1623 return ret;
1624}
1625
0da46a6e 1626/* do_getpeername() Must return target values and target errnos. */
992f48a0 1627static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1628 abi_ulong target_addrlen_addr)
1be9e1dc 1629{
2f619698
FB		 1630 socklen_t addrlen;
1631 void *addr;
992f48a0 1632 abi_long ret;
1be9e1dc 1633
2f619698
FB		 1634 if (get_user_u32(addrlen, target_addrlen_addr))
1635 return -TARGET_EFAULT;
1636
be09ac41 1637 if (addrlen < 0)
8f7aeaf6
AJ		 1638 return -TARGET_EINVAL;
1639
917507b0
AP		 1640 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1641 return -TARGET_EFAULT;
1642
2f619698
FB		 1643 addr = alloca(addrlen);
1644
1be9e1dc
PB		 1645 ret = get_errno(getpeername(fd, addr, &addrlen));
1646 if (!is_error(ret)) {
1647 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1648 if (put_user_u32(addrlen, target_addrlen_addr))
1649 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1650 }
1651 return ret;
1652}
1653
0da46a6e 1654/* do_getsockname() Must return target values and target errnos. */
992f48a0 1655static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1656 abi_ulong target_addrlen_addr)
1be9e1dc 1657{
2f619698
FB		 1658 socklen_t addrlen;
1659 void *addr;
992f48a0 1660 abi_long ret;
1be9e1dc 1661
2f619698
FB		 1662 if (get_user_u32(addrlen, target_addrlen_addr))
1663 return -TARGET_EFAULT;
1664
be09ac41 1665 if (addrlen < 0)
8f7aeaf6
AJ		 1666 return -TARGET_EINVAL;
1667
917507b0
AP		 1668 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1669 return -TARGET_EFAULT;
1670
2f619698
FB		 1671 addr = alloca(addrlen);
1672
1be9e1dc
PB		 1673 ret = get_errno(getsockname(fd, addr, &addrlen));
1674 if (!is_error(ret)) {
1675 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1676 if (put_user_u32(addrlen, target_addrlen_addr))
1677 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1678 }
1679 return ret;
1680}
1681
0da46a6e 1682/* do_socketpair() Must return target values and target errnos. */
992f48a0 1683static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1684 abi_ulong target_tab_addr)
1be9e1dc
PB		 1685{
1686 int tab[2];
992f48a0 1687 abi_long ret;
1be9e1dc
PB		 1688
1689 ret = get_errno(socketpair(domain, type, protocol, tab));
1690 if (!is_error(ret)) {
2f619698
FB		 1691 if (put_user_s32(tab[0], target_tab_addr)
1692 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1693 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1694 }
1695 return ret;
1696}
1697
0da46a6e 1698/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1699static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1700 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1701{
1702 void *addr;
1703 void *host_msg;
992f48a0 1704 abi_long ret;
1be9e1dc 1705
be09ac41 1706 if (addrlen < 0)
8f7aeaf6
AJ		 1707 return -TARGET_EINVAL;
1708
579a97f7
FB		 1709 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1710 if (!host_msg)
1711 return -TARGET_EFAULT;
1be9e1dc
PB		 1712 if (target_addr) {
1713 addr = alloca(addrlen);
917507b0
AP		 1714 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1715 if (ret) {
1716 unlock_user(host_msg, msg, 0);
1717 return ret;
1718 }
1be9e1dc
PB		 1719 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1720 } else {
1721 ret = get_errno(send(fd, host_msg, len, flags));
1722 }
1723 unlock_user(host_msg, msg, 0);
1724 return ret;
1725}
1726
0da46a6e 1727/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1728static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1729 abi_ulong target_addr,
1730 abi_ulong target_addrlen)
1be9e1dc
PB		 1731{
1732 socklen_t addrlen;
1733 void *addr;
1734 void *host_msg;
992f48a0 1735 abi_long ret;
1be9e1dc 1736
579a97f7
FB		 1737 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1738 if (!host_msg)
1739 return -TARGET_EFAULT;
1be9e1dc 1740 if (target_addr) {
2f619698
FB		 1741 if (get_user_u32(addrlen, target_addrlen)) {
1742 ret = -TARGET_EFAULT;
1743 goto fail;
1744 }
be09ac41 1745 if (addrlen < 0) {
8f7aeaf6
AJ		 1746 ret = -TARGET_EINVAL;
1747 goto fail;
1748 }
1be9e1dc
PB		 1749 addr = alloca(addrlen);
1750 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1751 } else {
1752 addr = NULL; /* To keep compiler quiet. */
1753 ret = get_errno(recv(fd, host_msg, len, flags));
1754 }
1755 if (!is_error(ret)) {
1756 if (target_addr) {
1757 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1758 if (put_user_u32(addrlen, target_addrlen)) {
1759 ret = -TARGET_EFAULT;
1760 goto fail;
1761 }
1be9e1dc
PB		 1762 }
1763 unlock_user(host_msg, msg, len);
1764 } else {
2f619698 1765fail:
1be9e1dc
PB		 1766 unlock_user(host_msg, msg, 0);
1767 }
1768 return ret;
1769}
1770
32407103 1771#ifdef TARGET_NR_socketcall
0da46a6e 1772/* do_socketcall() Must return target values and target errnos. */
992f48a0 1773static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1774{
992f48a0
BS		 1775 abi_long ret;
1776 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1777
1778 switch(num) {
1779 case SOCKOP_socket:
7854b056 1780 {
98818189 1781 abi_ulong domain, type, protocol;
2f619698 1782
98818189
UH		 1783 if (get_user_ual(domain, vptr)
1784 || get_user_ual(type, vptr + n)
1785 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 1786 return -TARGET_EFAULT;
1787
3532fa74 1788 ret = do_socket(domain, type, protocol);
7854b056 1789 }
31e31b8a
FB		 1790 break;
1791 case SOCKOP_bind:
7854b056 1792 {
98818189 1793 abi_ulong sockfd;
2f619698
FB		 1794 abi_ulong target_addr;
1795 socklen_t addrlen;
1796
98818189 1797 if (get_user_ual(sockfd, vptr)
2f619698 1798 || get_user_ual(target_addr, vptr + n)
98818189 1799 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1800 return -TARGET_EFAULT;
1801
3532fa74 1802 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1803 }
31e31b8a
FB		 1804 break;
1805 case SOCKOP_connect:
7854b056 1806 {
98818189 1807 abi_ulong sockfd;
2f619698
FB		 1808 abi_ulong target_addr;
1809 socklen_t addrlen;
1810
98818189 1811 if (get_user_ual(sockfd, vptr)
2f619698 1812 || get_user_ual(target_addr, vptr + n)
98818189 1813 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1814 return -TARGET_EFAULT;
1815
3532fa74 1816 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1817 }
31e31b8a
FB		 1818 break;
1819 case SOCKOP_listen:
7854b056 1820 {
98818189 1821 abi_ulong sockfd, backlog;
2f619698 1822
98818189
UH		 1823 if (get_user_ual(sockfd, vptr)
1824 || get_user_ual(backlog, vptr + n))
2f619698
FB		 1825 return -TARGET_EFAULT;
1826
7854b056
FB		 1827 ret = get_errno(listen(sockfd, backlog));
1828 }
31e31b8a
FB		 1829 break;
1830 case SOCKOP_accept:
1831 {
98818189 1832 abi_ulong sockfd;
2f619698
FB		 1833 abi_ulong target_addr, target_addrlen;
1834
98818189 1835 if (get_user_ual(sockfd, vptr)
2f619698 1836 || get_user_ual(target_addr, vptr + n)
98818189 1837 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1838 return -TARGET_EFAULT;
1839
1be9e1dc 1840 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1841 }
1842 break;
1843 case SOCKOP_getsockname:
1844 {
98818189 1845 abi_ulong sockfd;
2f619698
FB		 1846 abi_ulong target_addr, target_addrlen;
1847
98818189 1848 if (get_user_ual(sockfd, vptr)
2f619698 1849 || get_user_ual(target_addr, vptr + n)
98818189 1850 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1851 return -TARGET_EFAULT;
1852
1be9e1dc 1853 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1854 }
1855 break;
1856 case SOCKOP_getpeername:
1857 {
98818189 1858 abi_ulong sockfd;
2f619698
FB		 1859 abi_ulong target_addr, target_addrlen;
1860
98818189 1861 if (get_user_ual(sockfd, vptr)
2f619698 1862 || get_user_ual(target_addr, vptr + n)
98818189 1863 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1864 return -TARGET_EFAULT;
1865
1be9e1dc 1866 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1867 }
1868 break;
1869 case SOCKOP_socketpair:
1870 {
98818189 1871 abi_ulong domain, type, protocol;
2f619698
FB		 1872 abi_ulong tab;
1873
98818189
UH		 1874 if (get_user_ual(domain, vptr)
1875 || get_user_ual(type, vptr + n)
1876 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 1877 || get_user_ual(tab, vptr + 3 * n))
1878 return -TARGET_EFAULT;
1879
1be9e1dc 1880 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1881 }
1882 break;
1883 case SOCKOP_send:
7854b056 1884 {
98818189 1885 abi_ulong sockfd;
2f619698
FB		 1886 abi_ulong msg;
1887 size_t len;
98818189 1888 abi_ulong flags;
2f619698 1889
98818189 1890 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1891 || get_user_ual(msg, vptr + n)
1892 || get_user_ual(len, vptr + 2 * n)
98818189 1893 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1894 return -TARGET_EFAULT;
1895
1be9e1dc 1896 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1897 }
31e31b8a
FB		 1898 break;
1899 case SOCKOP_recv:
7854b056 1900 {
98818189 1901 abi_ulong sockfd;
2f619698
FB		 1902 abi_ulong msg;
1903 size_t len;
98818189 1904 abi_ulong flags;
2f619698 1905
98818189 1906 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1907 || get_user_ual(msg, vptr + n)
1908 || get_user_ual(len, vptr + 2 * n)
98818189 1909 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1910 return -TARGET_EFAULT;
1911
1be9e1dc 1912 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1913 }
31e31b8a
FB		 1914 break;
1915 case SOCKOP_sendto:
7854b056 1916 {
98818189 1917 abi_ulong sockfd;
2f619698
FB		 1918 abi_ulong msg;
1919 size_t len;
98818189 1920 abi_ulong flags;
2f619698
FB		 1921 abi_ulong addr;
1922 socklen_t addrlen;
1923
98818189 1924 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1925 || get_user_ual(msg, vptr + n)
1926 || get_user_ual(len, vptr + 2 * n)
98818189 1927 || get_user_ual(flags, vptr + 3 * n)
2f619698 1928 || get_user_ual(addr, vptr + 4 * n)
98818189 1929 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 1930 return -TARGET_EFAULT;
1931
1be9e1dc 1932 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1933 }
31e31b8a
FB		 1934 break;
1935 case SOCKOP_recvfrom:
1936 {
98818189 1937 abi_ulong sockfd;
2f619698
FB		 1938 abi_ulong msg;
1939 size_t len;
98818189 1940 abi_ulong flags;
2f619698
FB		 1941 abi_ulong addr;
1942 socklen_t addrlen;
1943
98818189 1944 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1945 || get_user_ual(msg, vptr + n)
1946 || get_user_ual(len, vptr + 2 * n)
98818189 1947 || get_user_ual(flags, vptr + 3 * n)
2f619698 1948 || get_user_ual(addr, vptr + 4 * n)
98818189 1949 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 1950 return -TARGET_EFAULT;
1951
1be9e1dc 1952 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1953 }
1954 break;
1955 case SOCKOP_shutdown:
7854b056 1956 {
98818189 1957 abi_ulong sockfd, how;
2f619698 1958
98818189
UH		 1959 if (get_user_ual(sockfd, vptr)
1960 || get_user_ual(how, vptr + n))
2f619698 1961 return -TARGET_EFAULT;
7854b056
FB		 1962
1963 ret = get_errno(shutdown(sockfd, how));
1964 }
31e31b8a
FB		 1965 break;
1966 case SOCKOP_sendmsg:
1967 case SOCKOP_recvmsg:
1a9353d2 1968 {
98818189 1969 abi_ulong fd;
992f48a0 1970 abi_ulong target_msg;
98818189 1971 abi_ulong flags;
1a9353d2 1972
98818189 1973 if (get_user_ual(fd, vptr)
2f619698 1974 || get_user_ual(target_msg, vptr + n)
98818189 1975 || get_user_ual(flags, vptr + 2 * n))
2f619698 1976 return -TARGET_EFAULT;
3532fa74 1977
5fafdf24 1978 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 1979 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1980 }
1981 break;
31e31b8a 1982 case SOCKOP_setsockopt:
7854b056 1983 {
98818189
UH		 1984 abi_ulong sockfd;
1985 abi_ulong level;
1986 abi_ulong optname;
2f619698
FB		 1987 abi_ulong optval;
1988 socklen_t optlen;
1989
98818189
UH		 1990 if (get_user_ual(sockfd, vptr)
1991 || get_user_ual(level, vptr + n)
1992 || get_user_ual(optname, vptr + 2 * n)
2f619698 1993 || get_user_ual(optval, vptr + 3 * n)
98818189 1994 || get_user_ual(optlen, vptr + 4 * n))
2f619698 1995 return -TARGET_EFAULT;
7854b056
FB		 1996
1997 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1998 }
1999 break;
31e31b8a 2000 case SOCKOP_getsockopt:
7854b056 2001 {
98818189
UH		 2002 abi_ulong sockfd;
2003 abi_ulong level;
2004 abi_ulong optname;
2f619698
FB		 2005 abi_ulong optval;
2006 socklen_t optlen;
2007
98818189
UH		 2008 if (get_user_ual(sockfd, vptr)
2009 || get_user_ual(level, vptr + n)
2010 || get_user_ual(optname, vptr + 2 * n)
2f619698 2011 || get_user_ual(optval, vptr + 3 * n)
98818189 2012 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2013 return -TARGET_EFAULT;
7854b056 2014
2f619698 2015 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2016 }
2017 break;
31e31b8a
FB		 2018 default:
2019 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2020 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2021 break;
2022 }
2023 return ret;
2024}
32407103 2025#endif
31e31b8a 2026
8853f86e
FB		 2027#define N_SHM_REGIONS 32
2028
2029static struct shm_region {
5a4a898d
FB		 2030 abi_ulong start;
2031 abi_ulong size;
8853f86e
FB		 2032} shm_regions[N_SHM_REGIONS];
2033
3eb6b044
TS		 2034struct target_ipc_perm
2035{
992f48a0
BS		 2036 abi_long __key;
2037 abi_ulong uid;
2038 abi_ulong gid;
2039 abi_ulong cuid;
2040 abi_ulong cgid;
3eb6b044
TS		 2041 unsigned short int mode;
2042 unsigned short int __pad1;
2043 unsigned short int __seq;
2044 unsigned short int __pad2;
992f48a0
BS		 2045 abi_ulong __unused1;
2046 abi_ulong __unused2;
3eb6b044
TS		 2047};
2048
2049struct target_semid_ds
2050{
2051 struct target_ipc_perm sem_perm;
992f48a0
BS		 2052 abi_ulong sem_otime;
2053 abi_ulong __unused1;
2054 abi_ulong sem_ctime;
2055 abi_ulong __unused2;
2056 abi_ulong sem_nsems;
2057 abi_ulong __unused3;
2058 abi_ulong __unused4;
3eb6b044
TS		 2059};
2060
579a97f7
FB		 2061static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2062 abi_ulong target_addr)
3eb6b044
TS		 2063{
2064 struct target_ipc_perm *target_ip;
2065 struct target_semid_ds *target_sd;
2066
579a97f7
FB		 2067 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2068 return -TARGET_EFAULT;
3eb6b044
TS		 2069 target_ip=&(target_sd->sem_perm);
2070 host_ip->__key = tswapl(target_ip->__key);
2071 host_ip->uid = tswapl(target_ip->uid);
2072 host_ip->gid = tswapl(target_ip->gid);
2073 host_ip->cuid = tswapl(target_ip->cuid);
2074 host_ip->cgid = tswapl(target_ip->cgid);
2075 host_ip->mode = tswapl(target_ip->mode);
2076 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2077 return 0;
3eb6b044
TS		 2078}
2079
579a97f7
FB		 2080static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2081 struct ipc_perm *host_ip)
3eb6b044
TS		 2082{
2083 struct target_ipc_perm *target_ip;
2084 struct target_semid_ds *target_sd;
2085
579a97f7
FB		 2086 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2087 return -TARGET_EFAULT;
3eb6b044
TS		 2088 target_ip = &(target_sd->sem_perm);
2089 target_ip->__key = tswapl(host_ip->__key);
2090 target_ip->uid = tswapl(host_ip->uid);
2091 target_ip->gid = tswapl(host_ip->gid);
2092 target_ip->cuid = tswapl(host_ip->cuid);
2093 target_ip->cgid = tswapl(host_ip->cgid);
2094 target_ip->mode = tswapl(host_ip->mode);
2095 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2096 return 0;
3eb6b044
TS		 2097}
2098
579a97f7
FB		 2099static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2100 abi_ulong target_addr)
3eb6b044
TS		 2101{
2102 struct target_semid_ds *target_sd;
2103
579a97f7
FB		 2104 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2105 return -TARGET_EFAULT;
e5289087
AJ		 2106 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2107 return -TARGET_EFAULT;
3eb6b044
TS		 2108 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2109 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2110 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2111 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2112 return 0;
3eb6b044
TS		 2113}
2114
579a97f7
FB		 2115static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2116 struct semid_ds *host_sd)
3eb6b044
TS		 2117{
2118 struct target_semid_ds *target_sd;
2119
579a97f7
FB		 2120 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2121 return -TARGET_EFAULT;
e5289087
AJ		 2122 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2123 return -TARGET_EFAULT;;
3eb6b044
TS		 2124 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2125 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2126 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2127 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2128 return 0;
3eb6b044
TS		 2129}
2130
e5289087
AJ		 2131struct target_seminfo {
2132 int semmap;
2133 int semmni;
2134 int semmns;
2135 int semmnu;
2136 int semmsl;
2137 int semopm;
2138 int semume;
2139 int semusz;
2140 int semvmx;
2141 int semaem;
2142};
2143
2144static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2145 struct seminfo *host_seminfo)
2146{
2147 struct target_seminfo *target_seminfo;
2148 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2149 return -TARGET_EFAULT;
2150 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2151 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2152 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2153 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2154 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2155 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2156 __put_user(host_seminfo->semume, &target_seminfo->semume);
2157 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2158 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2159 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2160 unlock_user_struct(target_seminfo, target_addr, 1);
2161 return 0;
2162}
2163
fa294816
TS		 2164union semun {
2165 int val;
3eb6b044 2166 struct semid_ds *buf;
fa294816 2167 unsigned short *array;
e5289087 2168 struct seminfo *__buf;
fa294816
TS		 2169};
2170
3eb6b044
TS		 2171union target_semun {
2172 int val;
e5289087
AJ		 2173 abi_ulong buf;
2174 abi_ulong array;
2175 abi_ulong __buf;
3eb6b044
TS		 2176};
2177
e5289087
AJ		 2178static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2179 abi_ulong target_addr)
3eb6b044 2180{
e5289087
AJ		 2181 int nsems;
2182 unsigned short *array;
2183 union semun semun;
2184 struct semid_ds semid_ds;
2185 int i, ret;
3eb6b044 2186
e5289087
AJ		 2187 semun.buf = &semid_ds;
2188
2189 ret = semctl(semid, 0, IPC_STAT, semun);
2190 if (ret == -1)
2191 return get_errno(ret);
2192
2193 nsems = semid_ds.sem_nsems;
2194
2195 *host_array = malloc(nsems*sizeof(unsigned short));
2196 array = lock_user(VERIFY_READ, target_addr,
2197 nsems*sizeof(unsigned short), 1);
2198 if (!array)
2199 return -TARGET_EFAULT;
2200
2201 for(i=0; i<nsems; i++) {
2202 __get_user((*host_array)[i], &array[i]);
3eb6b044 2203 }
e5289087
AJ		 2204 unlock_user(array, target_addr, 0);
2205
579a97f7 2206 return 0;
3eb6b044
TS		 2207}
2208
e5289087
AJ		 2209static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2210 unsigned short **host_array)
3eb6b044 2211{
e5289087
AJ		 2212 int nsems;
2213 unsigned short *array;
2214 union semun semun;
2215 struct semid_ds semid_ds;
2216 int i, ret;
3eb6b044 2217
e5289087
AJ		 2218 semun.buf = &semid_ds;
2219
2220 ret = semctl(semid, 0, IPC_STAT, semun);
2221 if (ret == -1)
2222 return get_errno(ret);
2223
2224 nsems = semid_ds.sem_nsems;
2225
2226 array = lock_user(VERIFY_WRITE, target_addr,
2227 nsems*sizeof(unsigned short), 0);
2228 if (!array)
2229 return -TARGET_EFAULT;
2230
2231 for(i=0; i<nsems; i++) {
2232 __put_user((*host_array)[i], &array[i]);
3eb6b044 2233 }
e5289087
AJ		 2234 free(*host_array);
2235 unlock_user(array, target_addr, 1);
2236
579a97f7 2237 return 0;
3eb6b044
TS		 2238}
2239
e5289087
AJ		 2240static inline abi_long do_semctl(int semid, int semnum, int cmd,
2241 union target_semun target_su)
3eb6b044
TS		 2242{
2243 union semun arg;
2244 struct semid_ds dsarg;
7b8118e8 2245 unsigned short *array = NULL;
e5289087
AJ		 2246 struct seminfo seminfo;
2247 abi_long ret = -TARGET_EINVAL;
2248 abi_long err;
2249 cmd &= 0xff;
3eb6b044
TS		 2250
2251 switch( cmd ) {
2252 case GETVAL:
3eb6b044 2253 case SETVAL:
e5289087
AJ		 2254 arg.val = tswapl(target_su.val);
2255 ret = get_errno(semctl(semid, semnum, cmd, arg));
2256 target_su.val = tswapl(arg.val);
3eb6b044
TS		 2257 break;
2258 case GETALL:
3eb6b044 2259 case SETALL:
e5289087
AJ		 2260 err = target_to_host_semarray(semid, &array, target_su.array);
2261 if (err)
2262 return err;
2263 arg.array = array;
2264 ret = get_errno(semctl(semid, semnum, cmd, arg));
2265 err = host_to_target_semarray(semid, target_su.array, &array);
2266 if (err)
2267 return err;
3eb6b044
TS		 2268 break;
2269 case IPC_STAT:
3eb6b044 2270 case IPC_SET:
e5289087
AJ		 2271 case SEM_STAT:
2272 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2273 if (err)
2274 return err;
2275 arg.buf = &dsarg;
2276 ret = get_errno(semctl(semid, semnum, cmd, arg));
2277 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2278 if (err)
2279 return err;
2280 break;
2281 case IPC_INFO:
2282 case SEM_INFO:
2283 arg.__buf = &seminfo;
2284 ret = get_errno(semctl(semid, semnum, cmd, arg));
2285 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2286 if (err)
2287 return err;
2288 break;
2289 case IPC_RMID:
2290 case GETPID:
2291 case GETNCNT:
2292 case GETZCNT:
2293 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2294 break;
3eb6b044
TS		 2295 }
2296
2297 return ret;
2298}
2299
e5289087
AJ		 2300struct target_sembuf {
2301 unsigned short sem_num;
2302 short sem_op;
2303 short sem_flg;
2304};
2305
2306static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2307 abi_ulong target_addr,
2308 unsigned nsops)
2309{
2310 struct target_sembuf *target_sembuf;
2311 int i;
2312
2313 target_sembuf = lock_user(VERIFY_READ, target_addr,
2314 nsops*sizeof(struct target_sembuf), 1);
2315 if (!target_sembuf)
2316 return -TARGET_EFAULT;
2317
2318 for(i=0; i<nsops; i++) {
2319 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2320 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2321 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2322 }
2323
2324 unlock_user(target_sembuf, target_addr, 0);
2325
2326 return 0;
2327}
2328
2329static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2330{
2331 struct sembuf sops[nsops];
2332
2333 if (target_to_host_sembuf(sops, ptr, nsops))
2334 return -TARGET_EFAULT;
2335
2336 return semop(semid, sops, nsops);
2337}
2338
1bc012f6
TS		 2339struct target_msqid_ds
2340{
1c54ff97
AJ		 2341 struct target_ipc_perm msg_perm;
2342 abi_ulong msg_stime;
2343#if TARGET_ABI_BITS == 32
2344 abi_ulong __unused1;
2345#endif
2346 abi_ulong msg_rtime;
2347#if TARGET_ABI_BITS == 32
2348 abi_ulong __unused2;
2349#endif
2350 abi_ulong msg_ctime;
2351#if TARGET_ABI_BITS == 32
2352 abi_ulong __unused3;
2353#endif
2354 abi_ulong __msg_cbytes;
2355 abi_ulong msg_qnum;
2356 abi_ulong msg_qbytes;
2357 abi_ulong msg_lspid;
2358 abi_ulong msg_lrpid;
2359 abi_ulong __unused4;
2360 abi_ulong __unused5;
1bc012f6
TS		 2361};
2362
579a97f7
FB		 2363static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2364 abi_ulong target_addr)
1bc012f6
TS		 2365{
2366 struct target_msqid_ds *target_md;
2367
579a97f7
FB		 2368 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2369 return -TARGET_EFAULT;
1c54ff97
AJ		 2370 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2371 return -TARGET_EFAULT;
1bc012f6
TS		 2372 host_md->msg_stime = tswapl(target_md->msg_stime);
2373 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2374 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2375 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2376 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2377 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2378 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2379 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2380 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2381 return 0;
1bc012f6
TS		 2382}
2383
579a97f7
FB		 2384static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2385 struct msqid_ds *host_md)
1bc012f6
TS		 2386{
2387 struct target_msqid_ds *target_md;
2388
579a97f7
FB		 2389 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2390 return -TARGET_EFAULT;
1c54ff97
AJ		 2391 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2392 return -TARGET_EFAULT;
1bc012f6
TS		 2393 target_md->msg_stime = tswapl(host_md->msg_stime);
2394 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2395 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2396 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2397 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2398 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2399 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2400 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2401 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2402 return 0;
1bc012f6
TS		 2403}
2404
1c54ff97
AJ		 2405struct target_msginfo {
2406 int msgpool;
2407 int msgmap;
2408 int msgmax;
2409 int msgmnb;
2410 int msgmni;
2411 int msgssz;
2412 int msgtql;
2413 unsigned short int msgseg;
2414};
2415
2416static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2417 struct msginfo *host_msginfo)
2418{
2419 struct target_msginfo *target_msginfo;
2420 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2421 return -TARGET_EFAULT;
2422 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2423 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2424 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2425 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2426 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2427 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2428 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2429 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2430 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2431 return 0;
1c54ff97
AJ		 2432}
2433
2434static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2435{
2436 struct msqid_ds dsarg;
1c54ff97
AJ		 2437 struct msginfo msginfo;
2438 abi_long ret = -TARGET_EINVAL;
2439
2440 cmd &= 0xff;
2441
2442 switch (cmd) {
1bc012f6
TS		 2443 case IPC_STAT:
2444 case IPC_SET:
1c54ff97
AJ		 2445 case MSG_STAT:
2446 if (target_to_host_msqid_ds(&dsarg,ptr))
2447 return -TARGET_EFAULT;
2448 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2449 if (host_to_target_msqid_ds(ptr,&dsarg))
2450 return -TARGET_EFAULT;
2451 break;
2452 case IPC_RMID:
2453 ret = get_errno(msgctl(msgid, cmd, NULL));
2454 break;
2455 case IPC_INFO:
2456 case MSG_INFO:
2457 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2458 if (host_to_target_msginfo(ptr, &msginfo))
2459 return -TARGET_EFAULT;
2460 break;
1bc012f6 2461 }
1c54ff97 2462
1bc012f6
TS		 2463 return ret;
2464}
2465
2466struct target_msgbuf {
1c54ff97
AJ		 2467 abi_long mtype;
2468 char mtext[1];
1bc012f6
TS		 2469};
2470
992f48a0
BS		 2471static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2472 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2473{
2474 struct target_msgbuf *target_mb;
2475 struct msgbuf *host_mb;
992f48a0 2476 abi_long ret = 0;
1bc012f6 2477
579a97f7
FB		 2478 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2479 return -TARGET_EFAULT;
1bc012f6 2480 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2481 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2482 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2483 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2484 free(host_mb);
2485 unlock_user_struct(target_mb, msgp, 0);
2486
2487 return ret;
2488}
2489
992f48a0 2490static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2491 unsigned int msgsz, abi_long msgtyp,
992f48a0 2492 int msgflg)
1bc012f6
TS		 2493{
2494 struct target_msgbuf *target_mb;
579a97f7 2495 char *target_mtext;
1bc012f6 2496 struct msgbuf *host_mb;
992f48a0 2497 abi_long ret = 0;
1bc012f6 2498
579a97f7
FB		 2499 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2500 return -TARGET_EFAULT;
1c54ff97 2501
1bc012f6 2502 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2503 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2504
579a97f7
FB		 2505 if (ret > 0) {
2506 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2507 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2508 if (!target_mtext) {
2509 ret = -TARGET_EFAULT;
2510 goto end;
2511 }
1c54ff97 2512 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2513 unlock_user(target_mtext, target_mtext_addr, ret);
2514 }
1c54ff97 2515
1bc012f6
TS		 2516 target_mb->mtype = tswapl(host_mb->mtype);
2517 free(host_mb);
1bc012f6 2518
579a97f7
FB		 2519end:
2520 if (target_mb)
2521 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2522 return ret;
2523}
2524
88a8c984
RV		 2525struct target_shmid_ds
2526{
2527 struct target_ipc_perm shm_perm;
2528 abi_ulong shm_segsz;
2529 abi_ulong shm_atime;
2530#if TARGET_ABI_BITS == 32
2531 abi_ulong __unused1;
2532#endif
2533 abi_ulong shm_dtime;
2534#if TARGET_ABI_BITS == 32
2535 abi_ulong __unused2;
2536#endif
2537 abi_ulong shm_ctime;
2538#if TARGET_ABI_BITS == 32
2539 abi_ulong __unused3;
2540#endif
2541 int shm_cpid;
2542 int shm_lpid;
2543 abi_ulong shm_nattch;
2544 unsigned long int __unused4;
2545 unsigned long int __unused5;
2546};
2547
2548static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2549 abi_ulong target_addr)
2550{
2551 struct target_shmid_ds *target_sd;
2552
2553 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2554 return -TARGET_EFAULT;
2555 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2556 return -TARGET_EFAULT;
2557 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2558 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2559 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2560 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2561 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2562 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2563 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2564 unlock_user_struct(target_sd, target_addr, 0);
2565 return 0;
2566}
2567
2568static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2569 struct shmid_ds *host_sd)
2570{
2571 struct target_shmid_ds *target_sd;
2572
2573 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2574 return -TARGET_EFAULT;
2575 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2576 return -TARGET_EFAULT;
2577 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2578 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2579 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2580 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2581 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2582 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2583 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2584 unlock_user_struct(target_sd, target_addr, 1);
2585 return 0;
2586}
2587
2588struct target_shminfo {
2589 abi_ulong shmmax;
2590 abi_ulong shmmin;
2591 abi_ulong shmmni;
2592 abi_ulong shmseg;
2593 abi_ulong shmall;
2594};
2595
2596static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2597 struct shminfo *host_shminfo)
2598{
2599 struct target_shminfo *target_shminfo;
2600 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2601 return -TARGET_EFAULT;
2602 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2603 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2604 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2605 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2606 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2607 unlock_user_struct(target_shminfo, target_addr, 1);
2608 return 0;
2609}
2610
2611struct target_shm_info {
2612 int used_ids;
2613 abi_ulong shm_tot;
2614 abi_ulong shm_rss;
2615 abi_ulong shm_swp;
2616 abi_ulong swap_attempts;
2617 abi_ulong swap_successes;
2618};
2619
2620static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2621 struct shm_info *host_shm_info)
2622{
2623 struct target_shm_info *target_shm_info;
2624 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2625 return -TARGET_EFAULT;
2626 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2627 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2628 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2629 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2630 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2631 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2632 unlock_user_struct(target_shm_info, target_addr, 1);
2633 return 0;
2634}
2635
2636static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2637{
2638 struct shmid_ds dsarg;
2639 struct shminfo shminfo;
2640 struct shm_info shm_info;
2641 abi_long ret = -TARGET_EINVAL;
2642
2643 cmd &= 0xff;
2644
2645 switch(cmd) {
2646 case IPC_STAT:
2647 case IPC_SET:
2648 case SHM_STAT:
2649 if (target_to_host_shmid_ds(&dsarg, buf))
2650 return -TARGET_EFAULT;
2651 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2652 if (host_to_target_shmid_ds(buf, &dsarg))
2653 return -TARGET_EFAULT;
2654 break;
2655 case IPC_INFO:
2656 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2657 if (host_to_target_shminfo(buf, &shminfo))
2658 return -TARGET_EFAULT;
2659 break;
2660 case SHM_INFO:
2661 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2662 if (host_to_target_shm_info(buf, &shm_info))
2663 return -TARGET_EFAULT;
2664 break;
2665 case IPC_RMID:
2666 case SHM_LOCK:
2667 case SHM_UNLOCK:
2668 ret = get_errno(shmctl(shmid, cmd, NULL));
2669 break;
2670 }
2671
2672 return ret;
2673}
2674
2675static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2676{
2677 abi_long raddr;
2678 void *host_raddr;
2679 struct shmid_ds shm_info;
2680 int i,ret;
2681
2682 /* find out the length of the shared memory segment */
2683 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2684 if (is_error(ret)) {
2685 /* can't get length, bail out */
2686 return ret;
2687 }
2688
2689 mmap_lock();
2690
2691 if (shmaddr)
2692 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2693 else {
2694 abi_ulong mmap_start;
2695
2696 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2697
2698 if (mmap_start == -1) {
2699 errno = ENOMEM;
2700 host_raddr = (void *)-1;
2701 } else
2702 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2703 }
2704
2705 if (host_raddr == (void *)-1) {
2706 mmap_unlock();
2707 return get_errno((long)host_raddr);
2708 }
2709 raddr=h2g((unsigned long)host_raddr);
2710
2711 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2712 PAGE_VALID | PAGE_READ |
2713 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2714
2715 for (i = 0; i < N_SHM_REGIONS; i++) {
2716 if (shm_regions[i].start == 0) {
2717 shm_regions[i].start = raddr;
2718 shm_regions[i].size = shm_info.shm_segsz;
2719 break;
2720 }
2721 }
2722
2723 mmap_unlock();
2724 return raddr;
2725
2726}
2727
2728static inline abi_long do_shmdt(abi_ulong shmaddr)
2729{
2730 int i;
2731
2732 for (i = 0; i < N_SHM_REGIONS; ++i) {
2733 if (shm_regions[i].start == shmaddr) {
2734 shm_regions[i].start = 0;
2735 page_set_flags(shmaddr, shm_regions[i].size, 0);
2736 break;
2737 }
2738 }
2739
2740 return get_errno(shmdt(g2h(shmaddr)));
2741}
2742
1c54ff97 2743#ifdef TARGET_NR_ipc
53a5960a 2744/* ??? This only works with linear mappings. */
0da46a6e 2745/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 2746static abi_long do_ipc(unsigned int call, int first,
2747 int second, int third,
2748 abi_long ptr, abi_long fifth)
8853f86e
FB		 2749{
2750 int version;
992f48a0 2751 abi_long ret = 0;
8853f86e
FB		 2752
2753 version = call >> 16;
2754 call &= 0xffff;
2755
2756 switch (call) {
fa294816 2757 case IPCOP_semop:
e5289087 2758 ret = do_semop(first, ptr, second);
fa294816
TS		 2759 break;
2760
2761 case IPCOP_semget:
2762 ret = get_errno(semget(first, second, third));
2763 break;
2764
2765 case IPCOP_semctl:
e5289087 2766 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 2767 break;
d96372ef 2768
1c54ff97
AJ		 2769 case IPCOP_msgget:
2770 ret = get_errno(msgget(first, second));
2771 break;
d96372ef 2772
1c54ff97
AJ		 2773 case IPCOP_msgsnd:
2774 ret = do_msgsnd(first, ptr, second, third);
2775 break;
d96372ef 2776
1c54ff97
AJ		 2777 case IPCOP_msgctl:
2778 ret = do_msgctl(first, second, ptr);
2779 break;
d96372ef 2780
1c54ff97
AJ		 2781 case IPCOP_msgrcv:
2782 switch (version) {
2783 case 0:
2784 {
2785 struct target_ipc_kludge {
2786 abi_long msgp;
2787 abi_long msgtyp;
2788 } *tmp;
2789
2790 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2791 ret = -TARGET_EFAULT;
2792 break;
2793 }
d96372ef 2794
1c54ff97 2795 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 2796
1c54ff97
AJ		 2797 unlock_user_struct(tmp, ptr, 0);
2798 break;
2799 }
2800 default:
2801 ret = do_msgrcv(first, ptr, second, fifth, third);
2802 }
2803 break;
d96372ef 2804
8853f86e 2805 case IPCOP_shmat:
88a8c984
RV		 2806 switch (version) {
2807 default:
5a4a898d
FB		 2808 {
2809 abi_ulong raddr;
88a8c984
RV		 2810 raddr = do_shmat(first, ptr, second);
2811 if (is_error(raddr))
2812 return get_errno(raddr);
2f619698 2813 if (put_user_ual(raddr, third))
5a4a898d 2814 return -TARGET_EFAULT;
88a8c984
RV		 2815 break;
2816 }
2817 case 1:
2818 ret = -TARGET_EINVAL;
2819 break;
5a4a898d 2820 }
8853f86e
FB		 2821 break;
2822 case IPCOP_shmdt:
88a8c984 2823 ret = do_shmdt(ptr);
8853f86e
FB		 2824 break;
2825
2826 case IPCOP_shmget:
2827 /* IPC_* flag values are the same on all linux platforms */
2828 ret = get_errno(shmget(first, second, third));
2829 break;
2830
2831 /* IPC_* and SHM_* command values are the same on all linux platforms */
2832 case IPCOP_shmctl:
88a8c984 2833 ret = do_shmctl(first, second, third);
8853f86e
FB		 2834 break;
2835 default:
32407103 2836 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 2837 ret = -TARGET_ENOSYS;
8853f86e
FB		 2838 break;
2839 }
2840 return ret;
2841}
32407103 2842#endif
8853f86e 2843
31e31b8a
FB		 2844/* kernel structure types definitions */
2845#define IFNAMSIZ 16
2846
001faf32 2847#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 2848#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2849enum {
2850#include "syscall_types.h"
2851};
2852#undef STRUCT
2853#undef STRUCT_SPECIAL
2854
001faf32 2855#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 2856#define STRUCT_SPECIAL(name)
2857#include "syscall_types.h"
2858#undef STRUCT
2859#undef STRUCT_SPECIAL
2860
2861typedef struct IOCTLEntry {
2ab83ea7
FB		 2862 unsigned int target_cmd;
2863 unsigned int host_cmd;
31e31b8a
FB		 2864 const char *name;
2865 int access;
1a9353d2 2866 const argtype arg_type[5];
31e31b8a
FB		 2867} IOCTLEntry;
2868
2869#define IOC_R 0x0001
2870#define IOC_W 0x0002
2871#define IOC_RW (IOC_R | IOC_W)
2872
2873#define MAX_STRUCT_SIZE 4096
2874
9f106a75 2875static IOCTLEntry ioctl_entries[] = {
001faf32
BS		 2876#define IOCTL(cmd, access, ...) \
2877 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
31e31b8a
FB		 2878#include "ioctls.h"
2879 { 0, 0, },
2880};
2881
53a5960a 2882/* ??? Implement proper locking for ioctls. */
0da46a6e 2883/* do_ioctl() Must return target values and target errnos. */
992f48a0 2884static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 2885{
2886 const IOCTLEntry *ie;
2887 const argtype *arg_type;
992f48a0 2888 abi_long ret;
31e31b8a 2889 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 2890 int target_size;
2891 void *argptr;
31e31b8a
FB		 2892
2893 ie = ioctl_entries;
2894 for(;;) {
2895 if (ie->target_cmd == 0) {
32407103 2896 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 2897 return -TARGET_ENOSYS;
31e31b8a
FB		 2898 }
2899 if (ie->target_cmd == cmd)
2900 break;
2901 ie++;
2902 }
2903 arg_type = ie->arg_type;
9de5e440 2904#if defined(DEBUG)
32407103 2905 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 2906#endif
31e31b8a
FB		 2907 switch(arg_type[0]) {
2908 case TYPE_NULL:
2909 /* no argument */
2910 ret = get_errno(ioctl(fd, ie->host_cmd));
2911 break;
2912 case TYPE_PTRVOID:
2913 case TYPE_INT:
2914 /* int argment */
2915 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2916 break;
2917 case TYPE_PTR:
2918 arg_type++;
53a5960a 2919 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 2920 switch(ie->access) {
2921 case IOC_R:
2922 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2923 if (!is_error(ret)) {
579a97f7
FB		 2924 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2925 if (!argptr)
2926 return -TARGET_EFAULT;
53a5960a
PB		 2927 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2928 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2929 }
2930 break;
2931 case IOC_W:
579a97f7
FB		 2932 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2933 if (!argptr)
2934 return -TARGET_EFAULT;
53a5960a
PB		 2935 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2936 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2937 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2938 break;
2939 default:
2940 case IOC_RW:
579a97f7
FB		 2941 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2942 if (!argptr)
2943 return -TARGET_EFAULT;
53a5960a
PB		 2944 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2945 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2946 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2947 if (!is_error(ret)) {
579a97f7
FB		 2948 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2949 if (!argptr)
2950 return -TARGET_EFAULT;
53a5960a
PB		 2951 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2952 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2953 }
2954 break;
2955 }
2956 break;
2957 default:
32407103
JM		 2958 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2959 (long)cmd, arg_type[0]);
0da46a6e 2960 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2961 break;
2962 }
2963 return ret;
2964}
2965
b39bc503 2966static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 2967 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2968 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2969 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2970 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2971 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2972 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2973 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2974 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2975 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2976 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2977 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2978 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2979 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2980 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2981 { 0, 0, 0, 0 }
2982};
2983
b39bc503 2984static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 2985 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2986 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2987 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2988 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2989 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2990 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2991 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2992 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2993 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2994 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2995 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2996 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2997 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2998 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2999 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3000 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3001 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3002 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3003 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3004 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3005 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3006 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3007 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3008 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3009 { 0, 0, 0, 0 }
3010};
3011
b39bc503 3012static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3013 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3014 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3015 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3016 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3017 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3018 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3019 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3020 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3021 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3022 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3023 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3024 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3025 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3026 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3027 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3028 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3029 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3030 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3031 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3032 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3033 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3034 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3035 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3036 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3037 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3038 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3039 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3040 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3041 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3042 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3043 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3044 { 0, 0, 0, 0 }
3045};
3046
b39bc503 3047static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3048 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3049 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3050 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3051 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3052 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3053 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3054 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3055 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3056 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3057 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3058 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3059 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3060 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3061 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3062 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3063 { 0, 0, 0, 0 }
3064};
3065
3066static void target_to_host_termios (void *dst, const void *src)
3067{
3068 struct host_termios *host = dst;
3069 const struct target_termios *target = src;
3b46e624 3070
5fafdf24 3071 host->c_iflag =
31e31b8a 3072 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3073 host->c_oflag =
31e31b8a 3074 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3075 host->c_cflag =
31e31b8a 3076 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3077 host->c_lflag =
31e31b8a
FB		 3078 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3079 host->c_line = target->c_line;
3b46e624 3080
44607123 3081 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3082 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3083 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3084 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3085 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3086 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3087 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3088 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3089 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3090 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3091 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3092 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3093 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3094 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3095 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3096 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3097 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3098 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3099}
3b46e624 3100
31e31b8a
FB		 3101static void host_to_target_termios (void *dst, const void *src)
3102{
3103 struct target_termios *target = dst;
3104 const struct host_termios *host = src;
3105
5fafdf24 3106 target->c_iflag =
31e31b8a 3107 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3108 target->c_oflag =
31e31b8a 3109 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3110 target->c_cflag =
31e31b8a 3111 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3112 target->c_lflag =
31e31b8a
FB		 3113 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3114 target->c_line = host->c_line;
3b46e624 3115
44607123 3116 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3117 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3118 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3119 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3120 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3121 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3122 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3123 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3124 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3125 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3126 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3127 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3128 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3129 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3130 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3131 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3132 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3133 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3134}
3135
8e853dc7 3136static const StructEntry struct_termios_def = {
31e31b8a
FB		 3137 .convert = { host_to_target_termios, target_to_host_termios },
3138 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3139 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3140};
3141
5286db75
FB		 3142static bitmask_transtbl mmap_flags_tbl[] = {
3143 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3144 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3145 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3146 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3147 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3148 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3149 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3150 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3151 { 0, 0, 0, 0 }
3152};
3153
2ab83ea7 3154#if defined(TARGET_I386)
6dbad63e
FB		 3155
3156/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3157static uint8_t *ldt_table;
6dbad63e 3158
03acab66 3159static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3160{
3161 int size;
53a5960a 3162 void *p;
6dbad63e
FB		 3163
3164 if (!ldt_table)
3165 return 0;
3166 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3167 if (size > bytecount)
3168 size = bytecount;
579a97f7
FB		 3169 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3170 if (!p)
03acab66 3171 return -TARGET_EFAULT;
579a97f7 3172 /* ??? Should this by byteswapped? */
53a5960a
PB		 3173 memcpy(p, ldt_table, size);
3174 unlock_user(p, ptr, size);
6dbad63e
FB		 3175 return size;
3176}
3177
3178/* XXX: add locking support */
03acab66
FB		 3179static abi_long write_ldt(CPUX86State *env,
3180 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3181{
3182 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3183 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3184 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3185 int seg_not_present, useable, lm;
6dbad63e
FB		 3186 uint32_t *lp, entry_1, entry_2;
3187
3188 if (bytecount != sizeof(ldt_info))
03acab66 3189 return -TARGET_EINVAL;
579a97f7 3190 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3191 return -TARGET_EFAULT;
53a5960a
PB		 3192 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3193 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3194 ldt_info.limit = tswap32(target_ldt_info->limit);
3195 ldt_info.flags = tswap32(target_ldt_info->flags);
3196 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3197
6dbad63e 3198 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3199 return -TARGET_EINVAL;
6dbad63e
FB		 3200 seg_32bit = ldt_info.flags & 1;
3201 contents = (ldt_info.flags >> 1) & 3;
3202 read_exec_only = (ldt_info.flags >> 3) & 1;
3203 limit_in_pages = (ldt_info.flags >> 4) & 1;
3204 seg_not_present = (ldt_info.flags >> 5) & 1;
3205 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3206#ifdef TARGET_ABI32
3207 lm = 0;
3208#else
3209 lm = (ldt_info.flags >> 7) & 1;
3210#endif
6dbad63e
FB		 3211 if (contents == 3) {
3212 if (oldmode)
03acab66 3213 return -TARGET_EINVAL;
6dbad63e 3214 if (seg_not_present == 0)
03acab66 3215 return -TARGET_EINVAL;
6dbad63e
FB		 3216 }
3217 /* allocate the LDT */
3218 if (!ldt_table) {
e441570f
AZ		 3219 env->ldt.base = target_mmap(0,
3220 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3221 PROT_READ|PROT_WRITE,
3222 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3223 if (env->ldt.base == -1)
03acab66 3224 return -TARGET_ENOMEM;
e441570f
AZ		 3225 memset(g2h(env->ldt.base), 0,
3226 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3227 env->ldt.limit = 0xffff;
e441570f 3228 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3229 }
3230
3231 /* NOTE: same code as Linux kernel */
3232 /* Allow LDTs to be cleared by the user. */
3233 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3234 if (oldmode ||
3235 (contents == 0 &&
3236 read_exec_only == 1 &&
3237 seg_32bit == 0 &&
3238 limit_in_pages == 0 &&
3239 seg_not_present == 1 &&
3240 useable == 0 )) {
3241 entry_1 = 0;
3242 entry_2 = 0;
3243 goto install;
3244 }
3245 }
3b46e624 3246
6dbad63e
FB		 3247 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3248 (ldt_info.limit & 0x0ffff);
3249 entry_2 = (ldt_info.base_addr & 0xff000000) |
3250 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3251 (ldt_info.limit & 0xf0000) |
3252 ((read_exec_only ^ 1) << 9) |
3253 (contents << 10) |
3254 ((seg_not_present ^ 1) << 15) |
3255 (seg_32bit << 22) |
3256 (limit_in_pages << 23) |
8d18e893 3257 (lm << 21) |
6dbad63e
FB		 3258 0x7000;
3259 if (!oldmode)
3260 entry_2 |= (useable << 20);
14ae3ba7 3261
6dbad63e
FB		 3262 /* Install the new entry ... */
3263install:
3264 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3265 lp[0] = tswap32(entry_1);
3266 lp[1] = tswap32(entry_2);
3267 return 0;
3268}
3269
3270/* specific and weird i386 syscalls */
8fcd3692
BS		 3271static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3272 unsigned long bytecount)
6dbad63e 3273{
03acab66 3274 abi_long ret;
3b46e624 3275
6dbad63e
FB		 3276 switch (func) {
3277 case 0:
3278 ret = read_ldt(ptr, bytecount);
3279 break;
3280 case 1:
3281 ret = write_ldt(env, ptr, bytecount, 1);
3282 break;
3283 case 0x11:
3284 ret = write_ldt(env, ptr, bytecount, 0);
3285 break;
03acab66
FB		 3286 default:
3287 ret = -TARGET_ENOSYS;
3288 break;
6dbad63e
FB		 3289 }
3290 return ret;
3291}
1b6b029e 3292
4583f589 3293#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 3294static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3295{
3296 uint64_t *gdt_table = g2h(env->gdt.base);
3297 struct target_modify_ldt_ldt_s ldt_info;
3298 struct target_modify_ldt_ldt_s *target_ldt_info;
3299 int seg_32bit, contents, read_exec_only, limit_in_pages;
3300 int seg_not_present, useable, lm;
3301 uint32_t *lp, entry_1, entry_2;
3302 int i;
3303
3304 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3305 if (!target_ldt_info)
3306 return -TARGET_EFAULT;
3307 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3308 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3309 ldt_info.limit = tswap32(target_ldt_info->limit);
3310 ldt_info.flags = tswap32(target_ldt_info->flags);
3311 if (ldt_info.entry_number == -1) {
3312 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3313 if (gdt_table[i] == 0) {
3314 ldt_info.entry_number = i;
3315 target_ldt_info->entry_number = tswap32(i);
3316 break;
3317 }
3318 }
3319 }
3320 unlock_user_struct(target_ldt_info, ptr, 1);
3321
3322 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3323 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3324 return -TARGET_EINVAL;
3325 seg_32bit = ldt_info.flags & 1;
3326 contents = (ldt_info.flags >> 1) & 3;
3327 read_exec_only = (ldt_info.flags >> 3) & 1;
3328 limit_in_pages = (ldt_info.flags >> 4) & 1;
3329 seg_not_present = (ldt_info.flags >> 5) & 1;
3330 useable = (ldt_info.flags >> 6) & 1;
3331#ifdef TARGET_ABI32
3332 lm = 0;
3333#else
3334 lm = (ldt_info.flags >> 7) & 1;
3335#endif
3336
3337 if (contents == 3) {
3338 if (seg_not_present == 0)
3339 return -TARGET_EINVAL;
3340 }
3341
3342 /* NOTE: same code as Linux kernel */
3343 /* Allow LDTs to be cleared by the user. */
3344 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3345 if ((contents == 0 &&
3346 read_exec_only == 1 &&
3347 seg_32bit == 0 &&
3348 limit_in_pages == 0 &&
3349 seg_not_present == 1 &&
3350 useable == 0 )) {
3351 entry_1 = 0;
3352 entry_2 = 0;
3353 goto install;
3354 }
3355 }
3356
3357 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3358 (ldt_info.limit & 0x0ffff);
3359 entry_2 = (ldt_info.base_addr & 0xff000000) |
3360 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3361 (ldt_info.limit & 0xf0000) |
3362 ((read_exec_only ^ 1) << 9) |
3363 (contents << 10) |
3364 ((seg_not_present ^ 1) << 15) |
3365 (seg_32bit << 22) |
3366 (limit_in_pages << 23) |
3367 (useable << 20) |
3368 (lm << 21) |
3369 0x7000;
3370
3371 /* Install the new entry ... */
3372install:
3373 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3374 lp[0] = tswap32(entry_1);
3375 lp[1] = tswap32(entry_2);
3376 return 0;
3377}
3378
8fcd3692 3379static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3380{
3381 struct target_modify_ldt_ldt_s *target_ldt_info;
3382 uint64_t *gdt_table = g2h(env->gdt.base);
3383 uint32_t base_addr, limit, flags;
3384 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3385 int seg_not_present, useable, lm;
3386 uint32_t *lp, entry_1, entry_2;
3387
3388 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3389 if (!target_ldt_info)
3390 return -TARGET_EFAULT;
3391 idx = tswap32(target_ldt_info->entry_number);
3392 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3393 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3394 unlock_user_struct(target_ldt_info, ptr, 1);
3395 return -TARGET_EINVAL;
3396 }
3397 lp = (uint32_t *)(gdt_table + idx);
3398 entry_1 = tswap32(lp[0]);
3399 entry_2 = tswap32(lp[1]);
3400
3401 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3402 contents = (entry_2 >> 10) & 3;
3403 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3404 seg_32bit = (entry_2 >> 22) & 1;
3405 limit_in_pages = (entry_2 >> 23) & 1;
3406 useable = (entry_2 >> 20) & 1;
3407#ifdef TARGET_ABI32
3408 lm = 0;
3409#else
3410 lm = (entry_2 >> 21) & 1;
3411#endif
3412 flags = (seg_32bit << 0) | (contents << 1) |
3413 (read_exec_only << 3) | (limit_in_pages << 4) |
3414 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3415 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3416 base_addr = (entry_1 >> 16) |
3417 (entry_2 & 0xff000000) |
3418 ((entry_2 & 0xff) << 16);
3419 target_ldt_info->base_addr = tswapl(base_addr);
3420 target_ldt_info->limit = tswap32(limit);
3421 target_ldt_info->flags = tswap32(flags);
3422 unlock_user_struct(target_ldt_info, ptr, 1);
3423 return 0;
3424}
4583f589 3425#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 3426
d2fd1af7 3427#ifndef TARGET_ABI32
8fcd3692 3428static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7
FB		 3429{
3430 abi_long ret;
3431 abi_ulong val;
3432 int idx;
3433
3434 switch(code) {
3435 case TARGET_ARCH_SET_GS:
3436 case TARGET_ARCH_SET_FS:
3437 if (code == TARGET_ARCH_SET_GS)
3438 idx = R_GS;
3439 else
3440 idx = R_FS;
3441 cpu_x86_load_seg(env, idx, 0);
3442 env->segs[idx].base = addr;
3443 break;
3444 case TARGET_ARCH_GET_GS:
3445 case TARGET_ARCH_GET_FS:
3446 if (code == TARGET_ARCH_GET_GS)
3447 idx = R_GS;
3448 else
3449 idx = R_FS;
3450 val = env->segs[idx].base;
3451 if (put_user(val, addr, abi_ulong))
3452 return -TARGET_EFAULT;
3453 break;
3454 default:
3455 ret = -TARGET_EINVAL;
3456 break;
3457 }
3458 return 0;
3459}
3460#endif
3461
2ab83ea7
FB		 3462#endif /* defined(TARGET_I386) */
3463
2f7bb878 3464#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3465
3466#define NEW_STACK_SIZE PTHREAD_STACK_MIN
3467
3468static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3469typedef struct {
3470 CPUState *env;
3471 pthread_mutex_t mutex;
3472 pthread_cond_t cond;
3473 pthread_t thread;
3474 uint32_t tid;
3475 abi_ulong child_tidptr;
3476 abi_ulong parent_tidptr;
3477 sigset_t sigmask;
3478} new_thread_info;
3479
3480static void *clone_func(void *arg)
3481{
3482 new_thread_info *info = arg;
3483 CPUState *env;
edf8e2af 3484 TaskState *ts;
d865bab5
PB		 3485
3486 env = info->env;
3487 thread_env = env;
edf8e2af 3488 ts = (TaskState *)thread_env->opaque;
d865bab5 3489 info->tid = gettid();
1e9fa730 3490 env->host_tid = info->tid;
edf8e2af 3491 task_settid(ts);
d865bab5
PB		 3492 if (info->child_tidptr)
3493 put_user_u32(info->tid, info->child_tidptr);
3494 if (info->parent_tidptr)
3495 put_user_u32(info->tid, info->parent_tidptr);
3496 /* Enable signals. */
3497 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3498 /* Signal to the parent that we're ready. */
3499 pthread_mutex_lock(&info->mutex);
3500 pthread_cond_broadcast(&info->cond);
3501 pthread_mutex_unlock(&info->mutex);
3502 /* Wait until the parent has finshed initializing the tls state. */
3503 pthread_mutex_lock(&clone_lock);
3504 pthread_mutex_unlock(&clone_lock);
3505 cpu_loop(env);
3506 /* never exits */
3507 return NULL;
3508}
3509#else
1b6b029e
FB		 3510/* this stack is the equivalent of the kernel stack associated with a
3511 thread/process */
3512#define NEW_STACK_SIZE 8192
3513
3514static int clone_func(void *arg)
3515{
2ab83ea7 3516 CPUState *env = arg;
1b6b029e
FB		 3517 cpu_loop(env);
3518 /* never exits */
3519 return 0;
3520}
d865bab5 3521#endif
1b6b029e 3522
0da46a6e
TS		 3523/* do_fork() Must return host values and target errnos (unlike most
3524 do_*() functions). */
d865bab5
PB		 3525static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3526 abi_ulong parent_tidptr, target_ulong newtls,
3527 abi_ulong child_tidptr)
1b6b029e
FB		 3528{
3529 int ret;
5cd4393b 3530 TaskState *ts;
1b6b029e 3531 uint8_t *new_stack;
2ab83ea7 3532 CPUState *new_env;
2f7bb878 3533#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3534 unsigned int nptl_flags;
3535 sigset_t sigmask;
3536#endif
3b46e624 3537
436d124b
AZ		 3538 /* Emulate vfork() with fork() */
3539 if (flags & CLONE_VFORK)
3540 flags &= ~(CLONE_VFORK | CLONE_VM);
3541
1b6b029e 3542 if (flags & CLONE_VM) {
edf8e2af 3543 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 3544#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3545 new_thread_info info;
3546 pthread_attr_t attr;
bd0c5661 3547#endif
c3a92833 3548 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
624f7979 3549 init_task_state(ts);
5cd4393b 3550 new_stack = ts->stack;
1b6b029e 3551 /* we create a new CPU instance. */
c5be9f08 3552 new_env = cpu_copy(env);
6e68e076
PB		 3553 /* Init regs that differ from the parent. */
3554 cpu_clone_regs(new_env, newsp);
5cd4393b 3555 new_env->opaque = ts;
edf8e2af
MW		 3556 ts->bprm = parent_ts->bprm;
3557 ts->info = parent_ts->info;
2f7bb878 3558#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3559 nptl_flags = flags;
3560 flags &= ~CLONE_NPTL_FLAGS2;
3561
c2764719
PB		 3562 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3563 ts->child_tidptr = child_tidptr;
3564 }
3565
d865bab5
PB		 3566 if (nptl_flags & CLONE_SETTLS)
3567 cpu_set_tls (new_env, newtls);
3568
3569 /* Grab a mutex so that thread setup appears atomic. */
3570 pthread_mutex_lock(&clone_lock);
3571
3572 memset(&info, 0, sizeof(info));
3573 pthread_mutex_init(&info.mutex, NULL);
3574 pthread_mutex_lock(&info.mutex);
3575 pthread_cond_init(&info.cond, NULL);
3576 info.env = new_env;
3577 if (nptl_flags & CLONE_CHILD_SETTID)
3578 info.child_tidptr = child_tidptr;
3579 if (nptl_flags & CLONE_PARENT_SETTID)
3580 info.parent_tidptr = parent_tidptr;
3581
3582 ret = pthread_attr_init(&attr);
3583 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3584 /* It is not safe to deliver signals until the child has finished
3585 initializing, so temporarily block all signals. */
3586 sigfillset(&sigmask);
3587 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3588
3589 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 3590 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 3591
3592 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3593 pthread_attr_destroy(&attr);
3594 if (ret == 0) {
3595 /* Wait for the child to initialize. */
3596 pthread_cond_wait(&info.cond, &info.mutex);
3597 ret = info.tid;
3598 if (flags & CLONE_PARENT_SETTID)
3599 put_user_u32(ret, parent_tidptr);
3600 } else {
3601 ret = -1;
3602 }
3603 pthread_mutex_unlock(&info.mutex);
3604 pthread_cond_destroy(&info.cond);
3605 pthread_mutex_destroy(&info.mutex);
3606 pthread_mutex_unlock(&clone_lock);
3607#else
3608 if (flags & CLONE_NPTL_FLAGS2)
3609 return -EINVAL;
3610 /* This is probably going to die very quickly, but do it anyway. */
27725c1d 3611#ifdef __ia64__
fd4a43e4 3612 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 3613#else
3614 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 3615#endif
27725c1d 3616#endif
1b6b029e
FB		 3617 } else {
3618 /* if no CLONE_VM, we consider it is a fork */
d865bab5 3619 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 3620 return -EINVAL;
d865bab5 3621 fork_start();
1b6b029e 3622 ret = fork();
d865bab5 3623 if (ret == 0) {
2b1319c8 3624 /* Child Process. */
d865bab5
PB		 3625 cpu_clone_regs(env, newsp);
3626 fork_end(1);
2f7bb878 3627#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 3628 /* There is a race condition here. The parent process could
3629 theoretically read the TID in the child process before the child
3630 tid is set. This would require using either ptrace
3631 (not implemented) or having *_tidptr to point at a shared memory
3632 mapping. We can't repeat the spinlock hack used above because
3633 the child process gets its own copy of the lock. */
d865bab5
PB		 3634 if (flags & CLONE_CHILD_SETTID)
3635 put_user_u32(gettid(), child_tidptr);
3636 if (flags & CLONE_PARENT_SETTID)
3637 put_user_u32(gettid(), parent_tidptr);
3638 ts = (TaskState *)env->opaque;
3639 if (flags & CLONE_SETTLS)
3640 cpu_set_tls (env, newtls);
c2764719
PB		 3641 if (flags & CLONE_CHILD_CLEARTID)
3642 ts->child_tidptr = child_tidptr;
2b1319c8 3643#endif
d865bab5
PB		 3644 } else {
3645 fork_end(0);
3646 }
1b6b029e
FB		 3647 }
3648 return ret;
3649}
3650
5f106811
APR		 3651/* warning : doesn't handle linux specific flags... */
3652static int target_to_host_fcntl_cmd(int cmd)
3653{
3654 switch(cmd) {
3655 case TARGET_F_DUPFD:
3656 case TARGET_F_GETFD:
3657 case TARGET_F_SETFD:
3658 case TARGET_F_GETFL:
3659 case TARGET_F_SETFL:
3660 return cmd;
3661 case TARGET_F_GETLK:
3662 return F_GETLK;
3663 case TARGET_F_SETLK:
3664 return F_SETLK;
3665 case TARGET_F_SETLKW:
3666 return F_SETLKW;
3667 case TARGET_F_GETOWN:
3668 return F_GETOWN;
3669 case TARGET_F_SETOWN:
3670 return F_SETOWN;
3671 case TARGET_F_GETSIG:
3672 return F_GETSIG;
3673 case TARGET_F_SETSIG:
3674 return F_SETSIG;
3675#if TARGET_ABI_BITS == 32
3676 case TARGET_F_GETLK64:
3677 return F_GETLK64;
3678 case TARGET_F_SETLK64:
3679 return F_SETLK64;
3680 case TARGET_F_SETLKW64:
3681 return F_SETLKW64;
3682#endif
3683 default:
3684 return -TARGET_EINVAL;
3685 }
3686 return -TARGET_EINVAL;
3687}
3688
992f48a0 3689static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 3690{
3691 struct flock fl;
53a5960a 3692 struct target_flock *target_fl;
43f238d7
TS		 3693 struct flock64 fl64;
3694 struct target_flock64 *target_fl64;
992f48a0 3695 abi_long ret;
5f106811
APR		 3696 int host_cmd = target_to_host_fcntl_cmd(cmd);
3697
3698 if (host_cmd == -TARGET_EINVAL)
3699 return host_cmd;
53a5960a 3700
7775e9ec
FB		 3701 switch(cmd) {
3702 case TARGET_F_GETLK:
579a97f7
FB		 3703 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3704 return -TARGET_EFAULT;
5813427b
TS		 3705 fl.l_type = tswap16(target_fl->l_type);
3706 fl.l_whence = tswap16(target_fl->l_whence);
3707 fl.l_start = tswapl(target_fl->l_start);
3708 fl.l_len = tswapl(target_fl->l_len);
3709 fl.l_pid = tswapl(target_fl->l_pid);
3710 unlock_user_struct(target_fl, arg, 0);
5f106811 3711 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3712 if (ret == 0) {
579a97f7
FB		 3713 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3714 return -TARGET_EFAULT;
7775e9ec
FB		 3715 target_fl->l_type = tswap16(fl.l_type);
3716 target_fl->l_whence = tswap16(fl.l_whence);
3717 target_fl->l_start = tswapl(fl.l_start);
3718 target_fl->l_len = tswapl(fl.l_len);
3719 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 3720 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 3721 }
3722 break;
3b46e624 3723
7775e9ec
FB		 3724 case TARGET_F_SETLK:
3725 case TARGET_F_SETLKW:
579a97f7
FB		 3726 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3727 return -TARGET_EFAULT;
7775e9ec
FB		 3728 fl.l_type = tswap16(target_fl->l_type);
3729 fl.l_whence = tswap16(target_fl->l_whence);
3730 fl.l_start = tswapl(target_fl->l_start);
3731 fl.l_len = tswapl(target_fl->l_len);
3732 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 3733 unlock_user_struct(target_fl, arg, 0);
5f106811 3734 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3735 break;
3b46e624 3736
7775e9ec 3737 case TARGET_F_GETLK64:
579a97f7
FB		 3738 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3739 return -TARGET_EFAULT;
5813427b
TS		 3740 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3741 fl64.l_whence = tswap16(target_fl64->l_whence);
3742 fl64.l_start = tswapl(target_fl64->l_start);
3743 fl64.l_len = tswapl(target_fl64->l_len);
3744 fl64.l_pid = tswap16(target_fl64->l_pid);
3745 unlock_user_struct(target_fl64, arg, 0);
5f106811 3746 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 3747 if (ret == 0) {
579a97f7
FB		 3748 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3749 return -TARGET_EFAULT;
43f238d7
TS		 3750 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3751 target_fl64->l_whence = tswap16(fl64.l_whence);
3752 target_fl64->l_start = tswapl(fl64.l_start);
3753 target_fl64->l_len = tswapl(fl64.l_len);
3754 target_fl64->l_pid = tswapl(fl64.l_pid);
3755 unlock_user_struct(target_fl64, arg, 1);
3756 }
9ee1fa2c 3757 break;
7775e9ec
FB		 3758 case TARGET_F_SETLK64:
3759 case TARGET_F_SETLKW64:
579a97f7
FB		 3760 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3761 return -TARGET_EFAULT;
43f238d7
TS		 3762 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3763 fl64.l_whence = tswap16(target_fl64->l_whence);
3764 fl64.l_start = tswapl(target_fl64->l_start);
3765 fl64.l_len = tswapl(target_fl64->l_len);
3766 fl64.l_pid = tswap16(target_fl64->l_pid);
3767 unlock_user_struct(target_fl64, arg, 0);
5f106811 3768 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 3769 break;
3770
5f106811
APR		 3771 case TARGET_F_GETFL:
3772 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 3773 if (ret >= 0) {
3774 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3775 }
ffa65c3b
FB		 3776 break;
3777
5f106811
APR		 3778 case TARGET_F_SETFL:
3779 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3780 break;
3781
3782 case TARGET_F_SETOWN:
3783 case TARGET_F_GETOWN:
3784 case TARGET_F_SETSIG:
3785 case TARGET_F_GETSIG:
3786 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 3787 break;
3788
7775e9ec 3789 default:
9ee1fa2c 3790 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 3791 break;
3792 }
3793 return ret;
3794}
3795
67867308 3796#ifdef USE_UID16
7775e9ec 3797
67867308
FB		 3798static inline int high2lowuid(int uid)
3799{
3800 if (uid > 65535)
3801 return 65534;
3802 else
3803 return uid;
3804}
3805
3806static inline int high2lowgid(int gid)
3807{
3808 if (gid > 65535)
3809 return 65534;
3810 else
3811 return gid;
3812}
3813
3814static inline int low2highuid(int uid)
3815{
3816 if ((int16_t)uid == -1)
3817 return -1;
3818 else
3819 return uid;
3820}
3821
3822static inline int low2highgid(int gid)
3823{
3824 if ((int16_t)gid == -1)
3825 return -1;
3826 else
3827 return gid;
3828}
3829
3830#endif /* USE_UID16 */
1b6b029e 3831
31e31b8a
FB		 3832void syscall_init(void)
3833{
2ab83ea7
FB		 3834 IOCTLEntry *ie;
3835 const argtype *arg_type;
3836 int size;
b92c47c1 3837 int i;
2ab83ea7 3838
001faf32 3839#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 3840#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 3841#include "syscall_types.h"
3842#undef STRUCT
3843#undef STRUCT_SPECIAL
2ab83ea7
FB		 3844
3845 /* we patch the ioctl size if necessary. We rely on the fact that
3846 no ioctl has all the bits at '1' in the size field */
3847 ie = ioctl_entries;
3848 while (ie->target_cmd != 0) {
3849 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3850 TARGET_IOC_SIZEMASK) {
3851 arg_type = ie->arg_type;
3852 if (arg_type[0] != TYPE_PTR) {
5fafdf24 3853 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 3854 ie->target_cmd);
3855 exit(1);
3856 }
3857 arg_type++;
3858 size = thunk_type_size(arg_type, 0);
5fafdf24 3859 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 3860 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3861 (size << TARGET_IOC_SIZESHIFT);
3862 }
b92c47c1
TS		 3863
3864 /* Build target_to_host_errno_table[] table from
3865 * host_to_target_errno_table[]. */
3866 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3867 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3868
2ab83ea7 3869 /* automatic consistency check if same arch */
872ea0c0
AZ		 3870#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3871 (defined(__x86_64__) && defined(TARGET_X86_64))
3872 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3873 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3874 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 3875 }
3876#endif
3877 ie++;
3878 }
31e31b8a 3879}
c573ff67 3880
992f48a0 3881#if TARGET_ABI_BITS == 32
ce4defa0
PB		 3882static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3883{
af325d36 3884#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 3885 return ((uint64_t)word0 << 32) | word1;
3886#else
3887 return ((uint64_t)word1 << 32) | word0;
3888#endif
3889}
992f48a0 3890#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 3891static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3892{
3893 return word0;
3894}
992f48a0 3895#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 3896
3897#ifdef TARGET_NR_truncate64
992f48a0
BS		 3898static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3899 abi_long arg2,
3900 abi_long arg3,
3901 abi_long arg4)
ce4defa0
PB		 3902{
3903#ifdef TARGET_ARM
3904 if (((CPUARMState *)cpu_env)->eabi)
3905 {
3906 arg2 = arg3;
3907 arg3 = arg4;
3908 }
3909#endif
3910 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3911}
3912#endif
3913
3914#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 3915static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3916 abi_long arg2,
3917 abi_long arg3,
3918 abi_long arg4)
ce4defa0
PB		 3919{
3920#ifdef TARGET_ARM
3921 if (((CPUARMState *)cpu_env)->eabi)
3922 {
3923 arg2 = arg3;
3924 arg3 = arg4;
3925 }
3926#endif
3927 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3928}
3929#endif
3930
579a97f7
FB		 3931static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3932 abi_ulong target_addr)
53a5960a
PB		 3933{
3934 struct target_timespec *target_ts;
3935
579a97f7
FB		 3936 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3937 return -TARGET_EFAULT;
53a5960a
PB		 3938 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3939 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3940 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 3941 return 0;
53a5960a
PB		 3942}
3943
579a97f7
FB		 3944static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3945 struct timespec *host_ts)
53a5960a
PB		 3946{
3947 struct target_timespec *target_ts;
3948
579a97f7
FB		 3949 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3950 return -TARGET_EFAULT;
53a5960a
PB		 3951 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3952 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3953 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 3954 return 0;
53a5960a
PB		 3955}
3956
9d33b76b 3957#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 3958static inline abi_long host_to_target_stat64(void *cpu_env,
3959 abi_ulong target_addr,
3960 struct stat *host_st)
3961{
3962#ifdef TARGET_ARM
3963 if (((CPUARMState *)cpu_env)->eabi) {
3964 struct target_eabi_stat64 *target_st;
3965
3966 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3967 return -TARGET_EFAULT;
3968 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3969 __put_user(host_st->st_dev, &target_st->st_dev);
3970 __put_user(host_st->st_ino, &target_st->st_ino);
3971#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3972 __put_user(host_st->st_ino, &target_st->__st_ino);
3973#endif
3974 __put_user(host_st->st_mode, &target_st->st_mode);
3975 __put_user(host_st->st_nlink, &target_st->st_nlink);
3976 __put_user(host_st->st_uid, &target_st->st_uid);
3977 __put_user(host_st->st_gid, &target_st->st_gid);
3978 __put_user(host_st->st_rdev, &target_st->st_rdev);
3979 __put_user(host_st->st_size, &target_st->st_size);
3980 __put_user(host_st->st_blksize, &target_st->st_blksize);
3981 __put_user(host_st->st_blocks, &target_st->st_blocks);
3982 __put_user(host_st->st_atime, &target_st->target_st_atime);
3983 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3984 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3985 unlock_user_struct(target_st, target_addr, 1);
3986 } else
3987#endif
3988 {
9d33b76b
AJ		 3989#if TARGET_LONG_BITS == 64
3990 struct target_stat *target_st;
3991#else
6a24a778 3992 struct target_stat64 *target_st;
9d33b76b 3993#endif
6a24a778
AZ		 3994
3995 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3996 return -TARGET_EFAULT;
9d33b76b 3997 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 3998 __put_user(host_st->st_dev, &target_st->st_dev);
3999 __put_user(host_st->st_ino, &target_st->st_ino);
4000#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4001 __put_user(host_st->st_ino, &target_st->__st_ino);
4002#endif
4003 __put_user(host_st->st_mode, &target_st->st_mode);
4004 __put_user(host_st->st_nlink, &target_st->st_nlink);
4005 __put_user(host_st->st_uid, &target_st->st_uid);
4006 __put_user(host_st->st_gid, &target_st->st_gid);
4007 __put_user(host_st->st_rdev, &target_st->st_rdev);
4008 /* XXX: better use of kernel struct */
4009 __put_user(host_st->st_size, &target_st->st_size);
4010 __put_user(host_st->st_blksize, &target_st->st_blksize);
4011 __put_user(host_st->st_blocks, &target_st->st_blocks);
4012 __put_user(host_st->st_atime, &target_st->target_st_atime);
4013 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4014 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4015 unlock_user_struct(target_st, target_addr, 1);
4016 }
4017
4018 return 0;
4019}
4020#endif
4021
2f7bb878 4022#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 4023/* ??? Using host futex calls even when target atomic operations
4024 are not really atomic probably breaks things. However implementing
4025 futexes locally would make futexes shared between multiple processes
4026 tricky. However they're probably useless because guest atomic
4027 operations won't work either. */
8fcd3692
BS		 4028static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4029 target_ulong uaddr2, int val3)
bd0c5661
PB		 4030{
4031 struct timespec ts, *pts;
a16aae0c 4032 int base_op;
bd0c5661
PB		 4033
4034 /* ??? We assume FUTEX_* constants are the same on both host
4035 and target. */
a29ccd63 4036#ifdef FUTEX_CMD_MASK
a16aae0c 4037 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4038#else
a16aae0c 4039 base_op = op;
a29ccd63 4040#endif
a16aae0c 4041 switch (base_op) {
bd0c5661
PB		 4042 case FUTEX_WAIT:
4043 if (timeout) {
4044 pts = &ts;
4045 target_to_host_timespec(pts, timeout);
4046 } else {
4047 pts = NULL;
4048 }
a29ccd63 4049 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4050 pts, NULL, 0));
4051 case FUTEX_WAKE:
a29ccd63 4052 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4053 case FUTEX_FD:
a29ccd63 4054 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4055 case FUTEX_REQUEUE:
bd0c5661 4056 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4057 case FUTEX_WAKE_OP:
4058 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4059 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4060 But the prototype takes a `struct timespec *'; insert casts
4061 to satisfy the compiler. We do not need to tswap TIMEOUT
4062 since it's not compared to guest memory. */
4063 pts = (struct timespec *)(uintptr_t) timeout;
4064 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4065 g2h(uaddr2),
4066 (base_op == FUTEX_CMP_REQUEUE
4067 ? tswap32(val3)
4068 : val3)));
bd0c5661
PB		 4069 default:
4070 return -TARGET_ENOSYS;
4071 }
4072}
4073#endif
4074
1d9d8b55
PB		 4075/* Map host to target signal numbers for the wait family of syscalls.
4076 Assume all other status bits are the same. */
4077static int host_to_target_waitstatus(int status)
4078{
4079 if (WIFSIGNALED(status)) {
4080 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4081 }
4082 if (WIFSTOPPED(status)) {
4083 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4084 | (status & 0xff);
4085 }
4086 return status;
4087}
4088
a745ec6d
PB		 4089int get_osversion(void)
4090{
4091 static int osversion;
4092 struct new_utsname buf;
4093 const char *s;
4094 int i, n, tmp;
4095 if (osversion)
4096 return osversion;
4097 if (qemu_uname_release && *qemu_uname_release) {
4098 s = qemu_uname_release;
4099 } else {
4100 if (sys_uname(&buf))
4101 return 0;
4102 s = buf.release;
4103 }
4104 tmp = 0;
4105 for (i = 0; i < 3; i++) {
4106 n = 0;
4107 while (*s >= '0' && *s <= '9') {
4108 n *= 10;
4109 n += *s - '0';
4110 s++;
4111 }
4112 tmp = (tmp << 8) + n;
4113 if (*s == '.')
4114 s++;
4115 }
4116 osversion = tmp;
4117 return osversion;
4118}
4119
0da46a6e
TS		 4120/* do_syscall() should always have a single exit point at the end so
4121 that actions, such as logging of syscall results, can be performed.
4122 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 4123abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4124 abi_long arg2, abi_long arg3, abi_long arg4,
4125 abi_long arg5, abi_long arg6)
31e31b8a 4126{
992f48a0 4127 abi_long ret;
31e31b8a 4128 struct stat st;
56c8f68f 4129 struct statfs stfs;
53a5960a 4130 void *p;
3b46e624 4131
72f03900 4132#ifdef DEBUG
c573ff67 4133 gemu_log("syscall %d", num);
72f03900 4134#endif
b92c47c1
TS		 4135 if(do_strace)
4136 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4137
31e31b8a
FB		 4138 switch(num) {
4139 case TARGET_NR_exit:
2f7bb878 4140#ifdef CONFIG_USE_NPTL
c2764719
PB		 4141 /* In old applications this may be used to implement _exit(2).
4142 However in threaded applictions it is used for thread termination,
4143 and _exit_group is used for application termination.
4144 Do thread termination if we have more then one thread. */
4145 /* FIXME: This probably breaks if a signal arrives. We should probably
4146 be disabling signals. */
4147 if (first_cpu->next_cpu) {
1e9fa730 4148 TaskState *ts;
c2764719
PB		 4149 CPUState **lastp;
4150 CPUState *p;
4151
4152 cpu_list_lock();
4153 lastp = &first_cpu;
4154 p = first_cpu;
4155 while (p && p != (CPUState *)cpu_env) {
4156 lastp = &p->next_cpu;
4157 p = p->next_cpu;
4158 }
4159 /* If we didn't find the CPU for this thread then something is
4160 horribly wrong. */
4161 if (!p)
4162 abort();
4163 /* Remove the CPU from the list. */
4164 *lastp = p->next_cpu;
4165 cpu_list_unlock();
1e9fa730 4166 ts = ((CPUState *)cpu_env)->opaque;
c2764719
PB		 4167 if (ts->child_tidptr) {
4168 put_user_u32(0, ts->child_tidptr);
4169 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4170 NULL, NULL, 0);
4171 }
4172 /* TODO: Free CPU state. */
4173 pthread_exit(NULL);
4174 }
4175#endif
9788c9ca 4176#ifdef TARGET_GPROF
7d13299d
FB		 4177 _mcleanup();
4178#endif
e9009676 4179 gdb_exit(cpu_env, arg1);
c2764719 4180 _exit(arg1);
31e31b8a
FB		 4181 ret = 0; /* avoid warning */
4182 break;
4183 case TARGET_NR_read:
38d840e6
AJ		 4184 if (arg3 == 0)
4185 ret = 0;
4186 else {
4187 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4188 goto efault;
4189 ret = get_errno(read(arg1, p, arg3));
4190 unlock_user(p, arg2, ret);
4191 }
31e31b8a
FB		 4192 break;
4193 case TARGET_NR_write:
579a97f7
FB		 4194 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4195 goto efault;
53a5960a
PB		 4196 ret = get_errno(write(arg1, p, arg3));
4197 unlock_user(p, arg2, 0);
31e31b8a
FB		 4198 break;
4199 case TARGET_NR_open:
2f619698
FB		 4200 if (!(p = lock_user_string(arg1)))
4201 goto efault;
53a5960a 4202 ret = get_errno(open(path(p),
ffa65c3b
FB		 4203 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4204 arg3));
53a5960a 4205 unlock_user(p, arg1, 0);
31e31b8a 4206 break;
82424832
TS		 4207#if defined(TARGET_NR_openat) && defined(__NR_openat)
4208 case TARGET_NR_openat:
579a97f7
FB		 4209 if (!(p = lock_user_string(arg2)))
4210 goto efault;
4211 ret = get_errno(sys_openat(arg1,
4212 path(p),
4213 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4214 arg4));
4215 unlock_user(p, arg2, 0);
82424832
TS		 4216 break;
4217#endif
31e31b8a
FB		 4218 case TARGET_NR_close:
4219 ret = get_errno(close(arg1));
4220 break;
4221 case TARGET_NR_brk:
53a5960a 4222 ret = do_brk(arg1);
31e31b8a
FB		 4223 break;
4224 case TARGET_NR_fork:
d865bab5 4225 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 4226 break;
e5febef5 4227#ifdef TARGET_NR_waitpid
31e31b8a
FB		 4228 case TARGET_NR_waitpid:
4229 {
53a5960a
PB		 4230 int status;
4231 ret = get_errno(waitpid(arg1, &status, arg3));
2f619698 4232 if (!is_error(ret) && arg2
1d9d8b55 4233 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 4234 goto efault;
31e31b8a
FB		 4235 }
4236 break;
e5febef5 4237#endif
f0cbb613
PB		 4238#ifdef TARGET_NR_waitid
4239 case TARGET_NR_waitid:
4240 {
4241 siginfo_t info;
4242 info.si_pid = 0;
4243 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4244 if (!is_error(ret) && arg3 && info.si_pid != 0) {
4245 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
4246 goto efault;
4247 host_to_target_siginfo(p, &info);
4248 unlock_user(p, arg3, sizeof(target_siginfo_t));
4249 }
4250 }
4251 break;
4252#endif
7a3148a9 4253#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 4254 case TARGET_NR_creat:
579a97f7
FB		 4255 if (!(p = lock_user_string(arg1)))
4256 goto efault;
53a5960a
PB		 4257 ret = get_errno(creat(p, arg2));
4258 unlock_user(p, arg1, 0);
31e31b8a 4259 break;
7a3148a9 4260#endif
31e31b8a 4261 case TARGET_NR_link:
53a5960a
PB		 4262 {
4263 void * p2;
4264 p = lock_user_string(arg1);
4265 p2 = lock_user_string(arg2);
579a97f7
FB		 4266 if (!p || !p2)
4267 ret = -TARGET_EFAULT;
4268 else
4269 ret = get_errno(link(p, p2));
53a5960a
PB		 4270 unlock_user(p2, arg2, 0);
4271 unlock_user(p, arg1, 0);
4272 }
31e31b8a 4273 break;
64f0ce4c
TS		 4274#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4275 case TARGET_NR_linkat:
64f0ce4c
TS		 4276 {
4277 void * p2 = NULL;
579a97f7
FB		 4278 if (!arg2 || !arg4)
4279 goto efault;
64f0ce4c
TS		 4280 p = lock_user_string(arg2);
4281 p2 = lock_user_string(arg4);
579a97f7 4282 if (!p || !p2)
0da46a6e 4283 ret = -TARGET_EFAULT;
64f0ce4c
TS		 4284 else
4285 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 4286 unlock_user(p, arg2, 0);
4287 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 4288 }
4289 break;
4290#endif
31e31b8a 4291 case TARGET_NR_unlink:
579a97f7
FB		 4292 if (!(p = lock_user_string(arg1)))
4293 goto efault;
53a5960a
PB		 4294 ret = get_errno(unlink(p));
4295 unlock_user(p, arg1, 0);
31e31b8a 4296 break;
8170f56b
TS		 4297#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4298 case TARGET_NR_unlinkat:
579a97f7
FB		 4299 if (!(p = lock_user_string(arg2)))
4300 goto efault;
4301 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4302 unlock_user(p, arg2, 0);
ed494d87 4303 break;
b7d35e65 4304#endif
31e31b8a 4305 case TARGET_NR_execve:
7854b056
FB		 4306 {
4307 char **argp, **envp;
f7341ff4 4308 int argc, envc;
992f48a0
BS		 4309 abi_ulong gp;
4310 abi_ulong guest_argp;
4311 abi_ulong guest_envp;
4312 abi_ulong addr;
7854b056
FB		 4313 char **q;
4314
f7341ff4 4315 argc = 0;
53a5960a 4316 guest_argp = arg2;
da94d263 4317 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4318 if (get_user_ual(addr, gp))
2f619698 4319 goto efault;
03aa1976 4320 if (!addr)
2f619698 4321 break;
7854b056 4322 argc++;
2f619698 4323 }
f7341ff4 4324 envc = 0;
53a5960a 4325 guest_envp = arg3;
da94d263 4326 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4327 if (get_user_ual(addr, gp))
2f619698 4328 goto efault;
03aa1976 4329 if (!addr)
2f619698 4330 break;
7854b056 4331 envc++;
2f619698 4332 }
7854b056 4333
f7341ff4
FB		 4334 argp = alloca((argc + 1) * sizeof(void *));
4335 envp = alloca((envc + 1) * sizeof(void *));
7854b056 4336
da94d263 4337 for (gp = guest_argp, q = argp; gp;
992f48a0 4338 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4339 if (get_user_ual(addr, gp))
4340 goto execve_efault;
53a5960a
PB		 4341 if (!addr)
4342 break;
2f619698
FB		 4343 if (!(*q = lock_user_string(addr)))
4344 goto execve_efault;
53a5960a 4345 }
f7341ff4
FB		 4346 *q = NULL;
4347
da94d263 4348 for (gp = guest_envp, q = envp; gp;
992f48a0 4349 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4350 if (get_user_ual(addr, gp))
4351 goto execve_efault;
53a5960a
PB		 4352 if (!addr)
4353 break;
2f619698
FB		 4354 if (!(*q = lock_user_string(addr)))
4355 goto execve_efault;
53a5960a 4356 }
f7341ff4 4357 *q = NULL;
7854b056 4358
2f619698
FB		 4359 if (!(p = lock_user_string(arg1)))
4360 goto execve_efault;
53a5960a
PB		 4361 ret = get_errno(execve(p, argp, envp));
4362 unlock_user(p, arg1, 0);
4363
2f619698
FB		 4364 goto execve_end;
4365
4366 execve_efault:
4367 ret = -TARGET_EFAULT;
4368
4369 execve_end:
53a5960a 4370 for (gp = guest_argp, q = argp; *q;
992f48a0 4371 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4372 if (get_user_ual(addr, gp)
4373 || !addr)
4374 break;
53a5960a
PB		 4375 unlock_user(*q, addr, 0);
4376 }
4377 for (gp = guest_envp, q = envp; *q;
992f48a0 4378 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4379 if (get_user_ual(addr, gp)
4380 || !addr)
4381 break;
53a5960a
PB		 4382 unlock_user(*q, addr, 0);
4383 }
7854b056 4384 }
31e31b8a
FB		 4385 break;
4386 case TARGET_NR_chdir:
579a97f7
FB		 4387 if (!(p = lock_user_string(arg1)))
4388 goto efault;
53a5960a
PB		 4389 ret = get_errno(chdir(p));
4390 unlock_user(p, arg1, 0);
31e31b8a 4391 break;
a315a145 4392#ifdef TARGET_NR_time
31e31b8a
FB		 4393 case TARGET_NR_time:
4394 {
53a5960a
PB		 4395 time_t host_time;
4396 ret = get_errno(time(&host_time));
2f619698
FB		 4397 if (!is_error(ret)
4398 && arg1
4399 && put_user_sal(host_time, arg1))
4400 goto efault;
31e31b8a
FB		 4401 }
4402 break;
a315a145 4403#endif
31e31b8a 4404 case TARGET_NR_mknod:
579a97f7
FB		 4405 if (!(p = lock_user_string(arg1)))
4406 goto efault;
53a5960a
PB		 4407 ret = get_errno(mknod(p, arg2, arg3));
4408 unlock_user(p, arg1, 0);
31e31b8a 4409 break;
75ac37a0
TS		 4410#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4411 case TARGET_NR_mknodat:
579a97f7
FB		 4412 if (!(p = lock_user_string(arg2)))
4413 goto efault;
4414 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4415 unlock_user(p, arg2, 0);
75ac37a0
TS		 4416 break;
4417#endif
31e31b8a 4418 case TARGET_NR_chmod:
579a97f7
FB		 4419 if (!(p = lock_user_string(arg1)))
4420 goto efault;
53a5960a
PB		 4421 ret = get_errno(chmod(p, arg2));
4422 unlock_user(p, arg1, 0);
31e31b8a 4423 break;
ebc05488 4424#ifdef TARGET_NR_break
31e31b8a
FB		 4425 case TARGET_NR_break:
4426 goto unimplemented;
ebc05488
FB		 4427#endif
4428#ifdef TARGET_NR_oldstat
31e31b8a
FB		 4429 case TARGET_NR_oldstat:
4430 goto unimplemented;
ebc05488 4431#endif
31e31b8a
FB		 4432 case TARGET_NR_lseek:
4433 ret = get_errno(lseek(arg1, arg2, arg3));
4434 break;
7a3148a9
JM		 4435#ifdef TARGET_NR_getxpid
4436 case TARGET_NR_getxpid:
4437#else
31e31b8a 4438 case TARGET_NR_getpid:
7a3148a9 4439#endif
31e31b8a
FB		 4440 ret = get_errno(getpid());
4441 break;
4442 case TARGET_NR_mount:
80265918
TS		 4443 {
4444 /* need to look at the data field */
4445 void *p2, *p3;
4446 p = lock_user_string(arg1);
4447 p2 = lock_user_string(arg2);
4448 p3 = lock_user_string(arg3);
579a97f7
FB		 4449 if (!p || !p2 || !p3)
4450 ret = -TARGET_EFAULT;
4451 else
4452 /* FIXME - arg5 should be locked, but it isn't clear how to
4453 * do that since it's not guaranteed to be a NULL-terminated
4454 * string.
4455 */
4456 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4457 unlock_user(p, arg1, 0);
4458 unlock_user(p2, arg2, 0);
4459 unlock_user(p3, arg3, 0);
80265918
TS		 4460 break;
4461 }
e5febef5 4462#ifdef TARGET_NR_umount
31e31b8a 4463 case TARGET_NR_umount:
579a97f7
FB		 4464 if (!(p = lock_user_string(arg1)))
4465 goto efault;
53a5960a
PB		 4466 ret = get_errno(umount(p));
4467 unlock_user(p, arg1, 0);
31e31b8a 4468 break;
e5febef5 4469#endif
7a3148a9 4470#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 4471 case TARGET_NR_stime:
4472 {
53a5960a 4473 time_t host_time;
2f619698
FB		 4474 if (get_user_sal(host_time, arg1))
4475 goto efault;
53a5960a 4476 ret = get_errno(stime(&host_time));
31e31b8a
FB		 4477 }
4478 break;
7a3148a9 4479#endif
31e31b8a
FB		 4480 case TARGET_NR_ptrace:
4481 goto unimplemented;
7a3148a9 4482#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 4483 case TARGET_NR_alarm:
4484 ret = alarm(arg1);
4485 break;
7a3148a9 4486#endif
ebc05488 4487#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 4488 case TARGET_NR_oldfstat:
4489 goto unimplemented;
ebc05488 4490#endif
7a3148a9 4491#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 4492 case TARGET_NR_pause:
4493 ret = get_errno(pause());
4494 break;
7a3148a9 4495#endif
e5febef5 4496#ifdef TARGET_NR_utime
31e31b8a 4497 case TARGET_NR_utime:
ebc05488 4498 {
53a5960a
PB		 4499 struct utimbuf tbuf, *host_tbuf;
4500 struct target_utimbuf *target_tbuf;
4501 if (arg2) {
579a97f7
FB		 4502 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4503 goto efault;
53a5960a
PB		 4504 tbuf.actime = tswapl(target_tbuf->actime);
4505 tbuf.modtime = tswapl(target_tbuf->modtime);
4506 unlock_user_struct(target_tbuf, arg2, 0);
4507 host_tbuf = &tbuf;
f72e8ff4 4508 } else {
53a5960a 4509 host_tbuf = NULL;
f72e8ff4 4510 }
579a97f7
FB		 4511 if (!(p = lock_user_string(arg1)))
4512 goto efault;
53a5960a
PB		 4513 ret = get_errno(utime(p, host_tbuf));
4514 unlock_user(p, arg1, 0);
ebc05488
FB		 4515 }
4516 break;
e5febef5 4517#endif
978a66ff
FB		 4518 case TARGET_NR_utimes:
4519 {
978a66ff 4520 struct timeval *tvp, tv[2];
53a5960a 4521 if (arg2) {
788f5ec4
TS		 4522 if (copy_from_user_timeval(&tv[0], arg2)
4523 || copy_from_user_timeval(&tv[1],
4524 arg2 + sizeof(struct target_timeval)))
4525 goto efault;
978a66ff
FB		 4526 tvp = tv;
4527 } else {
4528 tvp = NULL;
4529 }
579a97f7
FB		 4530 if (!(p = lock_user_string(arg1)))
4531 goto efault;
53a5960a
PB		 4532 ret = get_errno(utimes(p, tvp));
4533 unlock_user(p, arg1, 0);
978a66ff
FB		 4534 }
4535 break;
ac8a6556
AZ		 4536#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4537 case TARGET_NR_futimesat:
4538 {
4539 struct timeval *tvp, tv[2];
4540 if (arg3) {
4541 if (copy_from_user_timeval(&tv[0], arg3)
4542 || copy_from_user_timeval(&tv[1],
4543 arg3 + sizeof(struct target_timeval)))
4544 goto efault;
4545 tvp = tv;
4546 } else {
4547 tvp = NULL;
4548 }
4549 if (!(p = lock_user_string(arg2)))
4550 goto efault;
4551 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4552 unlock_user(p, arg2, 0);
4553 }
4554 break;
4555#endif
ebc05488 4556#ifdef TARGET_NR_stty
31e31b8a
FB		 4557 case TARGET_NR_stty:
4558 goto unimplemented;
ebc05488
FB		 4559#endif
4560#ifdef TARGET_NR_gtty
31e31b8a
FB		 4561 case TARGET_NR_gtty:
4562 goto unimplemented;
ebc05488 4563#endif
31e31b8a 4564 case TARGET_NR_access:
579a97f7
FB		 4565 if (!(p = lock_user_string(arg1)))
4566 goto efault;
719f908e 4567 ret = get_errno(access(path(p), arg2));
53a5960a 4568 unlock_user(p, arg1, 0);
31e31b8a 4569 break;
92a34c10
TS		 4570#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4571 case TARGET_NR_faccessat:
579a97f7
FB		 4572 if (!(p = lock_user_string(arg2)))
4573 goto efault;
465c9f06 4574 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 4575 unlock_user(p, arg2, 0);
92a34c10
TS		 4576 break;
4577#endif
7a3148a9 4578#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 4579 case TARGET_NR_nice:
4580 ret = get_errno(nice(arg1));
4581 break;
7a3148a9 4582#endif
ebc05488 4583#ifdef TARGET_NR_ftime
31e31b8a
FB		 4584 case TARGET_NR_ftime:
4585 goto unimplemented;
ebc05488 4586#endif
31e31b8a 4587 case TARGET_NR_sync:
04369ff2
FB		 4588 sync();
4589 ret = 0;
31e31b8a
FB		 4590 break;
4591 case TARGET_NR_kill:
4cb05961 4592 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 4593 break;
4594 case TARGET_NR_rename:
53a5960a
PB		 4595 {
4596 void *p2;
4597 p = lock_user_string(arg1);
4598 p2 = lock_user_string(arg2);
579a97f7
FB		 4599 if (!p || !p2)
4600 ret = -TARGET_EFAULT;
4601 else
4602 ret = get_errno(rename(p, p2));
53a5960a
PB		 4603 unlock_user(p2, arg2, 0);
4604 unlock_user(p, arg1, 0);
4605 }
31e31b8a 4606 break;
722183f6
TS		 4607#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4608 case TARGET_NR_renameat:
722183f6 4609 {
579a97f7 4610 void *p2;
722183f6
TS		 4611 p = lock_user_string(arg2);
4612 p2 = lock_user_string(arg4);
579a97f7 4613 if (!p || !p2)
0da46a6e 4614 ret = -TARGET_EFAULT;
722183f6
TS		 4615 else
4616 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 4617 unlock_user(p2, arg4, 0);
4618 unlock_user(p, arg2, 0);
722183f6
TS		 4619 }
4620 break;
4621#endif
31e31b8a 4622 case TARGET_NR_mkdir:
579a97f7
FB		 4623 if (!(p = lock_user_string(arg1)))
4624 goto efault;
53a5960a
PB		 4625 ret = get_errno(mkdir(p, arg2));
4626 unlock_user(p, arg1, 0);
31e31b8a 4627 break;
4472ad0d
TS		 4628#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4629 case TARGET_NR_mkdirat:
579a97f7
FB		 4630 if (!(p = lock_user_string(arg2)))
4631 goto efault;
4632 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4633 unlock_user(p, arg2, 0);
4472ad0d
TS		 4634 break;
4635#endif
31e31b8a 4636 case TARGET_NR_rmdir:
579a97f7
FB		 4637 if (!(p = lock_user_string(arg1)))
4638 goto efault;
53a5960a
PB		 4639 ret = get_errno(rmdir(p));
4640 unlock_user(p, arg1, 0);
31e31b8a
FB		 4641 break;
4642 case TARGET_NR_dup:
4643 ret = get_errno(dup(arg1));
4644 break;
4645 case TARGET_NR_pipe:
099d6b0f
RV		 4646 ret = do_pipe(cpu_env, arg1, 0);
4647 break;
4648#ifdef TARGET_NR_pipe2
4649 case TARGET_NR_pipe2:
4650 ret = do_pipe(cpu_env, arg1, arg2);
31e31b8a 4651 break;
099d6b0f 4652#endif
31e31b8a 4653 case TARGET_NR_times:
32f36bce 4654 {
53a5960a 4655 struct target_tms *tmsp;
32f36bce
FB		 4656 struct tms tms;
4657 ret = get_errno(times(&tms));
53a5960a 4658 if (arg1) {
579a97f7
FB		 4659 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4660 if (!tmsp)
4661 goto efault;
c596ed17
FB		 4662 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4663 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4664 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4665 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 4666 }
c596ed17
FB		 4667 if (!is_error(ret))
4668 ret = host_to_target_clock_t(ret);
32f36bce
FB		 4669 }
4670 break;
ebc05488 4671#ifdef TARGET_NR_prof
31e31b8a
FB		 4672 case TARGET_NR_prof:
4673 goto unimplemented;
ebc05488 4674#endif
e5febef5 4675#ifdef TARGET_NR_signal
31e31b8a
FB		 4676 case TARGET_NR_signal:
4677 goto unimplemented;
e5febef5 4678#endif
31e31b8a 4679 case TARGET_NR_acct:
38d840e6
AJ		 4680 if (arg1 == 0) {
4681 ret = get_errno(acct(NULL));
4682 } else {
4683 if (!(p = lock_user_string(arg1)))
4684 goto efault;
4685 ret = get_errno(acct(path(p)));
4686 unlock_user(p, arg1, 0);
4687 }
24836689 4688 break;
7a3148a9 4689#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 4690 case TARGET_NR_umount2:
579a97f7
FB		 4691 if (!(p = lock_user_string(arg1)))
4692 goto efault;
53a5960a
PB		 4693 ret = get_errno(umount2(p, arg2));
4694 unlock_user(p, arg1, 0);
31e31b8a 4695 break;
7a3148a9 4696#endif
ebc05488 4697#ifdef TARGET_NR_lock
31e31b8a
FB		 4698 case TARGET_NR_lock:
4699 goto unimplemented;
ebc05488 4700#endif
31e31b8a
FB		 4701 case TARGET_NR_ioctl:
4702 ret = do_ioctl(arg1, arg2, arg3);
4703 break;
4704 case TARGET_NR_fcntl:
9ee1fa2c 4705 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 4706 break;
ebc05488 4707#ifdef TARGET_NR_mpx
31e31b8a
FB		 4708 case TARGET_NR_mpx:
4709 goto unimplemented;
ebc05488 4710#endif
31e31b8a
FB		 4711 case TARGET_NR_setpgid:
4712 ret = get_errno(setpgid(arg1, arg2));
4713 break;
ebc05488 4714#ifdef TARGET_NR_ulimit
31e31b8a
FB		 4715 case TARGET_NR_ulimit:
4716 goto unimplemented;
ebc05488
FB		 4717#endif
4718#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 4719 case TARGET_NR_oldolduname:
4720 goto unimplemented;
ebc05488 4721#endif
31e31b8a
FB		 4722 case TARGET_NR_umask:
4723 ret = get_errno(umask(arg1));
4724 break;
4725 case TARGET_NR_chroot:
579a97f7
FB		 4726 if (!(p = lock_user_string(arg1)))
4727 goto efault;
53a5960a
PB		 4728 ret = get_errno(chroot(p));
4729 unlock_user(p, arg1, 0);
31e31b8a
FB		 4730 break;
4731 case TARGET_NR_ustat:
4732 goto unimplemented;
4733 case TARGET_NR_dup2:
4734 ret = get_errno(dup2(arg1, arg2));
4735 break;
7a3148a9 4736#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 4737 case TARGET_NR_getppid:
4738 ret = get_errno(getppid());
4739 break;
7a3148a9 4740#endif
31e31b8a
FB		 4741 case TARGET_NR_getpgrp:
4742 ret = get_errno(getpgrp());
4743 break;
4744 case TARGET_NR_setsid:
4745 ret = get_errno(setsid());
4746 break;
e5febef5 4747#ifdef TARGET_NR_sigaction
31e31b8a 4748 case TARGET_NR_sigaction:
31e31b8a 4749 {
388bb21a 4750#if !defined(TARGET_MIPS)
53a5960a 4751 struct target_old_sigaction *old_act;
66fb9763 4752 struct target_sigaction act, oact, *pact;
53a5960a 4753 if (arg2) {
579a97f7
FB		 4754 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4755 goto efault;
66fb9763
FB		 4756 act._sa_handler = old_act->_sa_handler;
4757 target_siginitset(&act.sa_mask, old_act->sa_mask);
4758 act.sa_flags = old_act->sa_flags;
4759 act.sa_restorer = old_act->sa_restorer;
53a5960a 4760 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 4761 pact = &act;
4762 } else {
4763 pact = NULL;
4764 }
4765 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 4766 if (!is_error(ret) && arg3) {
579a97f7
FB		 4767 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4768 goto efault;
53a5960a
PB		 4769 old_act->_sa_handler = oact._sa_handler;
4770 old_act->sa_mask = oact.sa_mask.sig[0];
4771 old_act->sa_flags = oact.sa_flags;
4772 old_act->sa_restorer = oact.sa_restorer;
4773 unlock_user_struct(old_act, arg3, 1);
66fb9763 4774 }
388bb21a 4775#else
106ec879
FB		 4776 struct target_sigaction act, oact, *pact, *old_act;
4777
4778 if (arg2) {
579a97f7
FB		 4779 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4780 goto efault;
106ec879
FB		 4781 act._sa_handler = old_act->_sa_handler;
4782 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4783 act.sa_flags = old_act->sa_flags;
4784 unlock_user_struct(old_act, arg2, 0);
4785 pact = &act;
4786 } else {
4787 pact = NULL;
4788 }
4789
4790 ret = get_errno(do_sigaction(arg1, pact, &oact));
4791
4792 if (!is_error(ret) && arg3) {
579a97f7
FB		 4793 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4794 goto efault;
106ec879
FB		 4795 old_act->_sa_handler = oact._sa_handler;
4796 old_act->sa_flags = oact.sa_flags;
4797 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4798 old_act->sa_mask.sig[1] = 0;
4799 old_act->sa_mask.sig[2] = 0;
4800 old_act->sa_mask.sig[3] = 0;
4801 unlock_user_struct(old_act, arg3, 1);
4802 }
388bb21a 4803#endif
31e31b8a
FB		 4804 }
4805 break;
e5febef5 4806#endif
66fb9763 4807 case TARGET_NR_rt_sigaction:
53a5960a
PB		 4808 {
4809 struct target_sigaction *act;
4810 struct target_sigaction *oact;
4811
579a97f7
FB		 4812 if (arg2) {
4813 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4814 goto efault;
4815 } else
53a5960a 4816 act = NULL;
579a97f7
FB		 4817 if (arg3) {
4818 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4819 ret = -TARGET_EFAULT;
4820 goto rt_sigaction_fail;
4821 }
4822 } else
53a5960a
PB		 4823 oact = NULL;
4824 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 4825 rt_sigaction_fail:
4826 if (act)
53a5960a 4827 unlock_user_struct(act, arg2, 0);
579a97f7 4828 if (oact)
53a5960a
PB		 4829 unlock_user_struct(oact, arg3, 1);
4830 }
66fb9763 4831 break;
7a3148a9 4832#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 4833 case TARGET_NR_sgetmask:
66fb9763
FB		 4834 {
4835 sigset_t cur_set;
992f48a0 4836 abi_ulong target_set;
66fb9763
FB		 4837 sigprocmask(0, NULL, &cur_set);
4838 host_to_target_old_sigset(&target_set, &cur_set);
4839 ret = target_set;
4840 }
4841 break;
7a3148a9
JM		 4842#endif
4843#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 4844 case TARGET_NR_ssetmask:
66fb9763
FB		 4845 {
4846 sigset_t set, oset, cur_set;
992f48a0 4847 abi_ulong target_set = arg1;
66fb9763
FB		 4848 sigprocmask(0, NULL, &cur_set);
4849 target_to_host_old_sigset(&set, &target_set);
4850 sigorset(&set, &set, &cur_set);
4851 sigprocmask(SIG_SETMASK, &set, &oset);
4852 host_to_target_old_sigset(&target_set, &oset);
4853 ret = target_set;
4854 }
4855 break;
7a3148a9 4856#endif
e5febef5 4857#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 4858 case TARGET_NR_sigprocmask:
4859 {
4860 int how = arg1;
4861 sigset_t set, oldset, *set_ptr;
3b46e624 4862
53a5960a 4863 if (arg2) {
66fb9763
FB		 4864 switch(how) {
4865 case TARGET_SIG_BLOCK:
4866 how = SIG_BLOCK;
4867 break;
4868 case TARGET_SIG_UNBLOCK:
4869 how = SIG_UNBLOCK;
4870 break;
4871 case TARGET_SIG_SETMASK:
4872 how = SIG_SETMASK;
4873 break;
4874 default:
0da46a6e 4875 ret = -TARGET_EINVAL;
66fb9763
FB		 4876 goto fail;
4877 }
579a97f7
FB		 4878 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4879 goto efault;
53a5960a
PB		 4880 target_to_host_old_sigset(&set, p);
4881 unlock_user(p, arg2, 0);
66fb9763
FB		 4882 set_ptr = &set;
4883 } else {
4884 how = 0;
4885 set_ptr = NULL;
4886 }
4887 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a 4888 if (!is_error(ret) && arg3) {
579a97f7
FB		 4889 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4890 goto efault;
53a5960a
PB		 4891 host_to_target_old_sigset(p, &oldset);
4892 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 4893 }
4894 }
4895 break;
e5febef5 4896#endif
66fb9763
FB		 4897 case TARGET_NR_rt_sigprocmask:
4898 {
4899 int how = arg1;
4900 sigset_t set, oldset, *set_ptr;
3b46e624 4901
53a5960a 4902 if (arg2) {
66fb9763
FB		 4903 switch(how) {
4904 case TARGET_SIG_BLOCK:
4905 how = SIG_BLOCK;
4906 break;
4907 case TARGET_SIG_UNBLOCK:
4908 how = SIG_UNBLOCK;
4909 break;
4910 case TARGET_SIG_SETMASK:
4911 how = SIG_SETMASK;
4912 break;
4913 default:
0da46a6e 4914 ret = -TARGET_EINVAL;
66fb9763
FB		 4915 goto fail;
4916 }
579a97f7
FB		 4917 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4918 goto efault;
53a5960a
PB		 4919 target_to_host_sigset(&set, p);
4920 unlock_user(p, arg2, 0);
66fb9763
FB		 4921 set_ptr = &set;
4922 } else {
4923 how = 0;
4924 set_ptr = NULL;
4925 }
4926 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 4927 if (!is_error(ret) && arg3) {
579a97f7
FB		 4928 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4929 goto efault;
53a5960a
PB		 4930 host_to_target_sigset(p, &oldset);
4931 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 4932 }
4933 }
4934 break;
e5febef5 4935#ifdef TARGET_NR_sigpending
66fb9763
FB		 4936 case TARGET_NR_sigpending:
4937 {
4938 sigset_t set;
4939 ret = get_errno(sigpending(&set));
4940 if (!is_error(ret)) {
579a97f7
FB		 4941 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4942 goto efault;
53a5960a
PB		 4943 host_to_target_old_sigset(p, &set);
4944 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 4945 }
4946 }
4947 break;
e5febef5 4948#endif
66fb9763
FB		 4949 case TARGET_NR_rt_sigpending:
4950 {
4951 sigset_t set;
4952 ret = get_errno(sigpending(&set));
4953 if (!is_error(ret)) {
579a97f7
FB		 4954 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4955 goto efault;
53a5960a
PB		 4956 host_to_target_sigset(p, &set);
4957 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 4958 }
4959 }
4960 break;
e5febef5 4961#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 4962 case TARGET_NR_sigsuspend:
4963 {
4964 sigset_t set;
579a97f7
FB		 4965 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4966 goto efault;
53a5960a
PB		 4967 target_to_host_old_sigset(&set, p);
4968 unlock_user(p, arg1, 0);
66fb9763
FB		 4969 ret = get_errno(sigsuspend(&set));
4970 }
4971 break;
e5febef5 4972#endif
66fb9763
FB		 4973 case TARGET_NR_rt_sigsuspend:
4974 {
4975 sigset_t set;
579a97f7
FB		 4976 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4977 goto efault;
53a5960a
PB		 4978 target_to_host_sigset(&set, p);
4979 unlock_user(p, arg1, 0);
66fb9763
FB		 4980 ret = get_errno(sigsuspend(&set));
4981 }
4982 break;
4983 case TARGET_NR_rt_sigtimedwait:
4984 {
66fb9763
FB		 4985 sigset_t set;
4986 struct timespec uts, *puts;
4987 siginfo_t uinfo;
3b46e624 4988
579a97f7
FB		 4989 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4990 goto efault;
53a5960a
PB		 4991 target_to_host_sigset(&set, p);
4992 unlock_user(p, arg1, 0);
4993 if (arg3) {
66fb9763 4994 puts = &uts;
53a5960a 4995 target_to_host_timespec(puts, arg3);
66fb9763
FB		 4996 } else {
4997 puts = NULL;
4998 }
4999 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 5000 if (!is_error(ret) && arg2) {
e1e3f30b 5001 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 5002 goto efault;
53a5960a 5003 host_to_target_siginfo(p, &uinfo);
e1e3f30b 5004 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 5005 }
5006 }
5007 break;
5008 case TARGET_NR_rt_sigqueueinfo:
5009 {
5010 siginfo_t uinfo;
579a97f7
FB		 5011 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
5012 goto efault;
53a5960a
PB		 5013 target_to_host_siginfo(&uinfo, p);
5014 unlock_user(p, arg1, 0);
66fb9763
FB		 5015 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5016 }
5017 break;
e5febef5 5018#ifdef TARGET_NR_sigreturn
66fb9763
FB		 5019 case TARGET_NR_sigreturn:
5020 /* NOTE: ret is eax, so not transcoding must be done */
5021 ret = do_sigreturn(cpu_env);
5022 break;
e5febef5 5023#endif
66fb9763
FB		 5024 case TARGET_NR_rt_sigreturn:
5025 /* NOTE: ret is eax, so not transcoding must be done */
5026 ret = do_rt_sigreturn(cpu_env);
5027 break;
31e31b8a 5028 case TARGET_NR_sethostname:
579a97f7
FB		 5029 if (!(p = lock_user_string(arg1)))
5030 goto efault;
53a5960a
PB		 5031 ret = get_errno(sethostname(p, arg2));
5032 unlock_user(p, arg1, 0);
31e31b8a
FB		 5033 break;
5034 case TARGET_NR_setrlimit:
9de5e440
FB		 5035 {
5036 /* XXX: convert resource ? */
5037 int resource = arg1;
53a5960a 5038 struct target_rlimit *target_rlim;
9de5e440 5039 struct rlimit rlim;
579a97f7
FB		 5040 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5041 goto efault;
9de5e440
FB		 5042 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
5043 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 5044 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 5045 ret = get_errno(setrlimit(resource, &rlim));
5046 }
5047 break;
31e31b8a 5048 case TARGET_NR_getrlimit:
9de5e440
FB		 5049 {
5050 /* XXX: convert resource ? */
5051 int resource = arg1;
53a5960a 5052 struct target_rlimit *target_rlim;
9de5e440 5053 struct rlimit rlim;
3b46e624 5054
9de5e440
FB		 5055 ret = get_errno(getrlimit(resource, &rlim));
5056 if (!is_error(ret)) {
579a97f7
FB		 5057 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5058 goto efault;
666bcd91
UH		 5059 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
5060 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 5061 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 5062 }
5063 }
5064 break;
31e31b8a 5065 case TARGET_NR_getrusage:
b409186b
FB		 5066 {
5067 struct rusage rusage;
b409186b
FB		 5068 ret = get_errno(getrusage(arg1, &rusage));
5069 if (!is_error(ret)) {
53a5960a 5070 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 5071 }
5072 }
5073 break;
31e31b8a
FB		 5074 case TARGET_NR_gettimeofday:
5075 {
31e31b8a
FB		 5076 struct timeval tv;
5077 ret = get_errno(gettimeofday(&tv, NULL));
5078 if (!is_error(ret)) {
788f5ec4
TS		 5079 if (copy_to_user_timeval(arg1, &tv))
5080 goto efault;
31e31b8a
FB		 5081 }
5082 }
5083 break;
5084 case TARGET_NR_settimeofday:
5085 {
31e31b8a 5086 struct timeval tv;
788f5ec4
TS		 5087 if (copy_from_user_timeval(&tv, arg1))
5088 goto efault;
31e31b8a
FB		 5089 ret = get_errno(settimeofday(&tv, NULL));
5090 }
5091 break;
048f6b4d 5092#ifdef TARGET_NR_select
31e31b8a 5093 case TARGET_NR_select:
f2674e31 5094 {
53a5960a 5095 struct target_sel_arg_struct *sel;
992f48a0 5096 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 5097 long nsel;
5098
579a97f7
FB		 5099 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5100 goto efault;
53a5960a
PB		 5101 nsel = tswapl(sel->n);
5102 inp = tswapl(sel->inp);
5103 outp = tswapl(sel->outp);
5104 exp = tswapl(sel->exp);
5105 tvp = tswapl(sel->tvp);
5106 unlock_user_struct(sel, arg1, 0);
5107 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 5108 }
5109 break;
048f6b4d 5110#endif
31e31b8a 5111 case TARGET_NR_symlink:
53a5960a
PB		 5112 {
5113 void *p2;
5114 p = lock_user_string(arg1);
5115 p2 = lock_user_string(arg2);
579a97f7
FB		 5116 if (!p || !p2)
5117 ret = -TARGET_EFAULT;
5118 else
5119 ret = get_errno(symlink(p, p2));
53a5960a
PB		 5120 unlock_user(p2, arg2, 0);
5121 unlock_user(p, arg1, 0);
5122 }
31e31b8a 5123 break;
f0b6243d
TS		 5124#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5125 case TARGET_NR_symlinkat:
f0b6243d 5126 {
579a97f7 5127 void *p2;
f0b6243d
TS		 5128 p = lock_user_string(arg1);
5129 p2 = lock_user_string(arg3);
579a97f7 5130 if (!p || !p2)
0da46a6e 5131 ret = -TARGET_EFAULT;
f0b6243d
TS		 5132 else
5133 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 5134 unlock_user(p2, arg3, 0);
5135 unlock_user(p, arg1, 0);
f0b6243d
TS		 5136 }
5137 break;
5138#endif
ebc05488 5139#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 5140 case TARGET_NR_oldlstat:
5141 goto unimplemented;
ebc05488 5142#endif
31e31b8a 5143 case TARGET_NR_readlink:
53a5960a 5144 {
d088d664 5145 void *p2, *temp;
53a5960a 5146 p = lock_user_string(arg1);
579a97f7
FB		 5147 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5148 if (!p || !p2)
5149 ret = -TARGET_EFAULT;
d088d664
AJ		 5150 else {
5151 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5152 char real[PATH_MAX];
5153 temp = realpath(exec_path,real);
5154 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5155 snprintf((char *)p2, arg3, "%s", real);
5156 }
5157 else
5158 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 5159 }
53a5960a
PB		 5160 unlock_user(p2, arg2, ret);
5161 unlock_user(p, arg1, 0);
5162 }
31e31b8a 5163 break;
5e0ccb18
TS		 5164#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5165 case TARGET_NR_readlinkat:
5e0ccb18 5166 {
579a97f7 5167 void *p2;
5e0ccb18 5168 p = lock_user_string(arg2);
579a97f7
FB		 5169 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5170 if (!p || !p2)
0da46a6e 5171 ret = -TARGET_EFAULT;
5e0ccb18
TS		 5172 else
5173 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 5174 unlock_user(p2, arg3, ret);
5175 unlock_user(p, arg2, 0);
5e0ccb18
TS		 5176 }
5177 break;
5178#endif
e5febef5 5179#ifdef TARGET_NR_uselib
31e31b8a
FB		 5180 case TARGET_NR_uselib:
5181 goto unimplemented;
e5febef5
TS		 5182#endif
5183#ifdef TARGET_NR_swapon
31e31b8a 5184 case TARGET_NR_swapon:
579a97f7
FB		 5185 if (!(p = lock_user_string(arg1)))
5186 goto efault;
53a5960a
PB		 5187 ret = get_errno(swapon(p, arg2));
5188 unlock_user(p, arg1, 0);
31e31b8a 5189 break;
e5febef5 5190#endif
31e31b8a
FB		 5191 case TARGET_NR_reboot:
5192 goto unimplemented;
e5febef5 5193#ifdef TARGET_NR_readdir
31e31b8a
FB		 5194 case TARGET_NR_readdir:
5195 goto unimplemented;
e5febef5
TS		 5196#endif
5197#ifdef TARGET_NR_mmap
31e31b8a 5198 case TARGET_NR_mmap:
b779e29e 5199#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
31e31b8a 5200 {
992f48a0
BS		 5201 abi_ulong *v;
5202 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 5203 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5204 goto efault;
53a5960a
PB		 5205 v1 = tswapl(v[0]);
5206 v2 = tswapl(v[1]);
5207 v3 = tswapl(v[2]);
5208 v4 = tswapl(v[3]);
5209 v5 = tswapl(v[4]);
5210 v6 = tswapl(v[5]);
5211 unlock_user(v, arg1, 0);
5fafdf24 5212 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 5213 target_to_host_bitmask(v4, mmap_flags_tbl),
5214 v5, v6));
31e31b8a 5215 }
31e31b8a 5216#else
5fafdf24
TS		 5217 ret = get_errno(target_mmap(arg1, arg2, arg3,
5218 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 5219 arg5,
5220 arg6));
31e31b8a 5221#endif
6fb883e8 5222 break;
e5febef5 5223#endif
a315a145 5224#ifdef TARGET_NR_mmap2
6fb883e8 5225 case TARGET_NR_mmap2:
bb7ec043 5226#ifndef MMAP_SHIFT
c573ff67 5227#define MMAP_SHIFT 12
c573ff67 5228#endif
5fafdf24
TS		 5229 ret = get_errno(target_mmap(arg1, arg2, arg3,
5230 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 5231 arg5,
c573ff67 5232 arg6 << MMAP_SHIFT));
31e31b8a 5233 break;
a315a145 5234#endif
31e31b8a 5235 case TARGET_NR_munmap:
54936004 5236 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 5237 break;
9de5e440 5238 case TARGET_NR_mprotect:
54936004 5239 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 5240 break;
e5febef5 5241#ifdef TARGET_NR_mremap
9de5e440 5242 case TARGET_NR_mremap:
54936004 5243 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 5244 break;
e5febef5 5245#endif
53a5960a 5246 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 5247#ifdef TARGET_NR_msync
9de5e440 5248 case TARGET_NR_msync:
53a5960a 5249 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 5250 break;
e5febef5
TS		 5251#endif
5252#ifdef TARGET_NR_mlock
9de5e440 5253 case TARGET_NR_mlock:
53a5960a 5254 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 5255 break;
e5febef5
TS		 5256#endif
5257#ifdef TARGET_NR_munlock
9de5e440 5258 case TARGET_NR_munlock:
53a5960a 5259 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 5260 break;
e5febef5
TS		 5261#endif
5262#ifdef TARGET_NR_mlockall
9de5e440
FB		 5263 case TARGET_NR_mlockall:
5264 ret = get_errno(mlockall(arg1));
5265 break;
e5febef5
TS		 5266#endif
5267#ifdef TARGET_NR_munlockall
9de5e440
FB		 5268 case TARGET_NR_munlockall:
5269 ret = get_errno(munlockall());
5270 break;
e5febef5 5271#endif
31e31b8a 5272 case TARGET_NR_truncate:
579a97f7
FB		 5273 if (!(p = lock_user_string(arg1)))
5274 goto efault;
53a5960a
PB		 5275 ret = get_errno(truncate(p, arg2));
5276 unlock_user(p, arg1, 0);
31e31b8a
FB		 5277 break;
5278 case TARGET_NR_ftruncate:
5279 ret = get_errno(ftruncate(arg1, arg2));
5280 break;
5281 case TARGET_NR_fchmod:
5282 ret = get_errno(fchmod(arg1, arg2));
5283 break;
814d7977
TS		 5284#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5285 case TARGET_NR_fchmodat:
579a97f7
FB		 5286 if (!(p = lock_user_string(arg2)))
5287 goto efault;
465c9f06 5288 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 5289 unlock_user(p, arg2, 0);
814d7977
TS		 5290 break;
5291#endif
31e31b8a 5292 case TARGET_NR_getpriority:
c6cda17a
TS		 5293 /* libc does special remapping of the return value of
5294 * sys_getpriority() so it's just easiest to call
5295 * sys_getpriority() directly rather than through libc. */
5296 ret = sys_getpriority(arg1, arg2);
31e31b8a
FB		 5297 break;
5298 case TARGET_NR_setpriority:
5299 ret = get_errno(setpriority(arg1, arg2, arg3));
5300 break;
ebc05488 5301#ifdef TARGET_NR_profil
31e31b8a
FB		 5302 case TARGET_NR_profil:
5303 goto unimplemented;
ebc05488 5304#endif
31e31b8a 5305 case TARGET_NR_statfs:
579a97f7
FB		 5306 if (!(p = lock_user_string(arg1)))
5307 goto efault;
53a5960a
PB		 5308 ret = get_errno(statfs(path(p), &stfs));
5309 unlock_user(p, arg1, 0);
31e31b8a
FB		 5310 convert_statfs:
5311 if (!is_error(ret)) {
53a5960a 5312 struct target_statfs *target_stfs;
3b46e624 5313
579a97f7
FB		 5314 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5315 goto efault;
5316 __put_user(stfs.f_type, &target_stfs->f_type);
5317 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5318 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5319 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5320 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5321 __put_user(stfs.f_files, &target_stfs->f_files);
5322 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5323 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5324 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5325 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 5326 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 5327 }
5328 break;
5329 case TARGET_NR_fstatfs:
56c8f68f 5330 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 5331 goto convert_statfs;
56c8f68f
FB		 5332#ifdef TARGET_NR_statfs64
5333 case TARGET_NR_statfs64:
579a97f7
FB		 5334 if (!(p = lock_user_string(arg1)))
5335 goto efault;
53a5960a
PB		 5336 ret = get_errno(statfs(path(p), &stfs));
5337 unlock_user(p, arg1, 0);
56c8f68f
FB		 5338 convert_statfs64:
5339 if (!is_error(ret)) {
53a5960a 5340 struct target_statfs64 *target_stfs;
3b46e624 5341
579a97f7
FB		 5342 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5343 goto efault;
5344 __put_user(stfs.f_type, &target_stfs->f_type);
5345 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5346 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5347 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5348 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5349 __put_user(stfs.f_files, &target_stfs->f_files);
5350 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5351 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5352 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5353 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5354 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 5355 }
5356 break;
5357 case TARGET_NR_fstatfs64:
5358 ret = get_errno(fstatfs(arg1, &stfs));
5359 goto convert_statfs64;
5360#endif
ebc05488 5361#ifdef TARGET_NR_ioperm
31e31b8a
FB		 5362 case TARGET_NR_ioperm:
5363 goto unimplemented;
ebc05488 5364#endif
e5febef5 5365#ifdef TARGET_NR_socketcall
31e31b8a 5366 case TARGET_NR_socketcall:
53a5960a 5367 ret = do_socketcall(arg1, arg2);
31e31b8a 5368 break;
e5febef5 5369#endif
3532fa74
FB		 5370#ifdef TARGET_NR_accept
5371 case TARGET_NR_accept:
1be9e1dc 5372 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 5373 break;
5374#endif
5375#ifdef TARGET_NR_bind
5376 case TARGET_NR_bind:
5377 ret = do_bind(arg1, arg2, arg3);
5378 break;
5379#endif
5380#ifdef TARGET_NR_connect
5381 case TARGET_NR_connect:
5382 ret = do_connect(arg1, arg2, arg3);
5383 break;
5384#endif
5385#ifdef TARGET_NR_getpeername
5386 case TARGET_NR_getpeername:
1be9e1dc 5387 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 5388 break;
5389#endif
5390#ifdef TARGET_NR_getsockname
5391 case TARGET_NR_getsockname:
1be9e1dc 5392 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 5393 break;
5394#endif
5395#ifdef TARGET_NR_getsockopt
5396 case TARGET_NR_getsockopt:
5397 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5398 break;
5399#endif
5400#ifdef TARGET_NR_listen
5401 case TARGET_NR_listen:
1be9e1dc 5402 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 5403 break;
5404#endif
5405#ifdef TARGET_NR_recv
5406 case TARGET_NR_recv:
214201bd 5407 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5408 break;
5409#endif
5410#ifdef TARGET_NR_recvfrom
5411 case TARGET_NR_recvfrom:
214201bd 5412 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5413 break;
5414#endif
5415#ifdef TARGET_NR_recvmsg
5416 case TARGET_NR_recvmsg:
5417 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5418 break;
5419#endif
5420#ifdef TARGET_NR_send
5421 case TARGET_NR_send:
1be9e1dc 5422 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5423 break;
5424#endif
5425#ifdef TARGET_NR_sendmsg
5426 case TARGET_NR_sendmsg:
5427 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5428 break;
5429#endif
5430#ifdef TARGET_NR_sendto
5431 case TARGET_NR_sendto:
1be9e1dc 5432 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5433 break;
5434#endif
5435#ifdef TARGET_NR_shutdown
5436 case TARGET_NR_shutdown:
1be9e1dc 5437 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 5438 break;
5439#endif
5440#ifdef TARGET_NR_socket
5441 case TARGET_NR_socket:
5442 ret = do_socket(arg1, arg2, arg3);
5443 break;
5444#endif
5445#ifdef TARGET_NR_socketpair
5446 case TARGET_NR_socketpair:
1be9e1dc 5447 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 5448 break;
5449#endif
5450#ifdef TARGET_NR_setsockopt
5451 case TARGET_NR_setsockopt:
5452 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5453 break;
5454#endif
7494b0f9 5455
31e31b8a 5456 case TARGET_NR_syslog:
579a97f7
FB		 5457 if (!(p = lock_user_string(arg2)))
5458 goto efault;
e5574487
TS		 5459 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5460 unlock_user(p, arg2, 0);
7494b0f9
TS		 5461 break;
5462
31e31b8a 5463 case TARGET_NR_setitimer:
66fb9763 5464 {
66fb9763
FB		 5465 struct itimerval value, ovalue, *pvalue;
5466
53a5960a 5467 if (arg2) {
66fb9763 5468 pvalue = &value;
788f5ec4
TS		 5469 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5470 || copy_from_user_timeval(&pvalue->it_value,
5471 arg2 + sizeof(struct target_timeval)))
5472 goto efault;
66fb9763
FB		 5473 } else {
5474 pvalue = NULL;
5475 }
5476 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 5477 if (!is_error(ret) && arg3) {
788f5ec4
TS		 5478 if (copy_to_user_timeval(arg3,
5479 &ovalue.it_interval)
5480 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5481 &ovalue.it_value))
5482 goto efault;
66fb9763
FB		 5483 }
5484 }
5485 break;
31e31b8a 5486 case TARGET_NR_getitimer:
66fb9763 5487 {
66fb9763 5488 struct itimerval value;
3b46e624 5489
66fb9763 5490 ret = get_errno(getitimer(arg1, &value));
53a5960a 5491 if (!is_error(ret) && arg2) {
788f5ec4
TS		 5492 if (copy_to_user_timeval(arg2,
5493 &value.it_interval)
5494 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5495 &value.it_value))
5496 goto efault;
66fb9763
FB		 5497 }
5498 }
5499 break;
31e31b8a 5500 case TARGET_NR_stat:
579a97f7
FB		 5501 if (!(p = lock_user_string(arg1)))
5502 goto efault;
53a5960a
PB		 5503 ret = get_errno(stat(path(p), &st));
5504 unlock_user(p, arg1, 0);
31e31b8a
FB		 5505 goto do_stat;
5506 case TARGET_NR_lstat:
579a97f7
FB		 5507 if (!(p = lock_user_string(arg1)))
5508 goto efault;
53a5960a
PB		 5509 ret = get_errno(lstat(path(p), &st));
5510 unlock_user(p, arg1, 0);
31e31b8a
FB		 5511 goto do_stat;
5512 case TARGET_NR_fstat:
5513 {
5514 ret = get_errno(fstat(arg1, &st));
5515 do_stat:
5516 if (!is_error(ret)) {
53a5960a 5517 struct target_stat *target_st;
e3584658 5518
579a97f7
FB		 5519 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5520 goto efault;
d2fd1af7
FB		 5521 __put_user(st.st_dev, &target_st->st_dev);
5522 __put_user(st.st_ino, &target_st->st_ino);
5523 __put_user(st.st_mode, &target_st->st_mode);
5524 __put_user(st.st_uid, &target_st->st_uid);
5525 __put_user(st.st_gid, &target_st->st_gid);
5526 __put_user(st.st_nlink, &target_st->st_nlink);
5527 __put_user(st.st_rdev, &target_st->st_rdev);
5528 __put_user(st.st_size, &target_st->st_size);
5529 __put_user(st.st_blksize, &target_st->st_blksize);
5530 __put_user(st.st_blocks, &target_st->st_blocks);
5531 __put_user(st.st_atime, &target_st->target_st_atime);
5532 __put_user(st.st_mtime, &target_st->target_st_mtime);
5533 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 5534 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 5535 }
5536 }
5537 break;
ebc05488 5538#ifdef TARGET_NR_olduname
31e31b8a
FB		 5539 case TARGET_NR_olduname:
5540 goto unimplemented;
ebc05488
FB		 5541#endif
5542#ifdef TARGET_NR_iopl
31e31b8a
FB		 5543 case TARGET_NR_iopl:
5544 goto unimplemented;
ebc05488 5545#endif
31e31b8a
FB		 5546 case TARGET_NR_vhangup:
5547 ret = get_errno(vhangup());
5548 break;
ebc05488 5549#ifdef TARGET_NR_idle
31e31b8a
FB		 5550 case TARGET_NR_idle:
5551 goto unimplemented;
42ad6ae9
FB		 5552#endif
5553#ifdef TARGET_NR_syscall
5554 case TARGET_NR_syscall:
5555 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5556 break;
ebc05488 5557#endif
31e31b8a
FB		 5558 case TARGET_NR_wait4:
5559 {
5560 int status;
992f48a0 5561 abi_long status_ptr = arg2;
31e31b8a 5562 struct rusage rusage, *rusage_ptr;
992f48a0 5563 abi_ulong target_rusage = arg4;
31e31b8a
FB		 5564 if (target_rusage)
5565 rusage_ptr = &rusage;
5566 else
5567 rusage_ptr = NULL;
5568 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5569 if (!is_error(ret)) {
2f619698 5570 if (status_ptr) {
1d9d8b55 5571 status = host_to_target_waitstatus(status);
2f619698
FB		 5572 if (put_user_s32(status, status_ptr))
5573 goto efault;
31e31b8a 5574 }
2f619698
FB		 5575 if (target_rusage)
5576 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 5577 }
5578 }
5579 break;
e5febef5 5580#ifdef TARGET_NR_swapoff
31e31b8a 5581 case TARGET_NR_swapoff:
579a97f7
FB		 5582 if (!(p = lock_user_string(arg1)))
5583 goto efault;
53a5960a
PB		 5584 ret = get_errno(swapoff(p));
5585 unlock_user(p, arg1, 0);
31e31b8a 5586 break;
e5febef5 5587#endif
31e31b8a 5588 case TARGET_NR_sysinfo:
a5448a7d 5589 {
53a5960a 5590 struct target_sysinfo *target_value;
a5448a7d
FB		 5591 struct sysinfo value;
5592 ret = get_errno(sysinfo(&value));
53a5960a 5593 if (!is_error(ret) && arg1)
a5448a7d 5594 {
579a97f7
FB		 5595 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5596 goto efault;
a5448a7d
FB		 5597 __put_user(value.uptime, &target_value->uptime);
5598 __put_user(value.loads[0], &target_value->loads[0]);
5599 __put_user(value.loads[1], &target_value->loads[1]);
5600 __put_user(value.loads[2], &target_value->loads[2]);
5601 __put_user(value.totalram, &target_value->totalram);
5602 __put_user(value.freeram, &target_value->freeram);
5603 __put_user(value.sharedram, &target_value->sharedram);
5604 __put_user(value.bufferram, &target_value->bufferram);
5605 __put_user(value.totalswap, &target_value->totalswap);
5606 __put_user(value.freeswap, &target_value->freeswap);
5607 __put_user(value.procs, &target_value->procs);
5608 __put_user(value.totalhigh, &target_value->totalhigh);
5609 __put_user(value.freehigh, &target_value->freehigh);
5610 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 5611 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 5612 }
5613 }
5614 break;
e5febef5 5615#ifdef TARGET_NR_ipc
31e31b8a 5616 case TARGET_NR_ipc:
8853f86e
FB		 5617 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5618 break;
e5febef5 5619#endif
e5289087
AJ		 5620#ifdef TARGET_NR_semget
5621 case TARGET_NR_semget:
5622 ret = get_errno(semget(arg1, arg2, arg3));
5623 break;
5624#endif
5625#ifdef TARGET_NR_semop
5626 case TARGET_NR_semop:
5627 ret = get_errno(do_semop(arg1, arg2, arg3));
5628 break;
5629#endif
5630#ifdef TARGET_NR_semctl
5631 case TARGET_NR_semctl:
5632 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5633 break;
5634#endif
eeb438c1
AJ		 5635#ifdef TARGET_NR_msgctl
5636 case TARGET_NR_msgctl:
5637 ret = do_msgctl(arg1, arg2, arg3);
5638 break;
5639#endif
5640#ifdef TARGET_NR_msgget
5641 case TARGET_NR_msgget:
5642 ret = get_errno(msgget(arg1, arg2));
5643 break;
5644#endif
5645#ifdef TARGET_NR_msgrcv
5646 case TARGET_NR_msgrcv:
5647 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5648 break;
5649#endif
5650#ifdef TARGET_NR_msgsnd
5651 case TARGET_NR_msgsnd:
5652 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5653 break;
88a8c984
RV		 5654#endif
5655#ifdef TARGET_NR_shmget
5656 case TARGET_NR_shmget:
5657 ret = get_errno(shmget(arg1, arg2, arg3));
5658 break;
5659#endif
5660#ifdef TARGET_NR_shmctl
5661 case TARGET_NR_shmctl:
5662 ret = do_shmctl(arg1, arg2, arg3);
5663 break;
5664#endif
5665#ifdef TARGET_NR_shmat
5666 case TARGET_NR_shmat:
5667 ret = do_shmat(arg1, arg2, arg3);
5668 break;
5669#endif
5670#ifdef TARGET_NR_shmdt
5671 case TARGET_NR_shmdt:
5672 ret = do_shmdt(arg1);
5673 break;
eeb438c1 5674#endif
31e31b8a
FB		 5675 case TARGET_NR_fsync:
5676 ret = get_errno(fsync(arg1));
5677 break;
31e31b8a 5678 case TARGET_NR_clone:
0b6d3ae0
AJ		 5679#if defined(TARGET_SH4)
5680 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 5681#elif defined(TARGET_CRIS)
5682 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
0b6d3ae0 5683#else
d865bab5 5684 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 5685#endif
1b6b029e 5686 break;
ec86b0fb
FB		 5687#ifdef __NR_exit_group
5688 /* new thread calls */
5689 case TARGET_NR_exit_group:
9788c9ca 5690#ifdef TARGET_GPROF
6d946cda
AJ		 5691 _mcleanup();
5692#endif
e9009676 5693 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 5694 ret = get_errno(exit_group(arg1));
5695 break;
5696#endif
31e31b8a 5697 case TARGET_NR_setdomainname:
579a97f7
FB		 5698 if (!(p = lock_user_string(arg1)))
5699 goto efault;
53a5960a
PB		 5700 ret = get_errno(setdomainname(p, arg2));
5701 unlock_user(p, arg1, 0);
31e31b8a
FB		 5702 break;
5703 case TARGET_NR_uname:
5704 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 5705 {
5706 struct new_utsname * buf;
3b46e624 5707
579a97f7
FB		 5708 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5709 goto efault;
29e619b1
FB		 5710 ret = get_errno(sys_uname(buf));
5711 if (!is_error(ret)) {
5712 /* Overrite the native machine name with whatever is being
5713 emulated. */
5714 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 5715 /* Allow the user to override the reported release. */
5716 if (qemu_uname_release && *qemu_uname_release)
5717 strcpy (buf->release, qemu_uname_release);
29e619b1 5718 }
53a5960a 5719 unlock_user_struct(buf, arg1, 1);
29e619b1 5720 }
31e31b8a 5721 break;
6dbad63e 5722#ifdef TARGET_I386
31e31b8a 5723 case TARGET_NR_modify_ldt:
03acab66 5724 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 5725 break;
84409ddb 5726#if !defined(TARGET_X86_64)
5cd4393b
FB		 5727 case TARGET_NR_vm86old:
5728 goto unimplemented;
5729 case TARGET_NR_vm86:
53a5960a 5730 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 5731 break;
84409ddb 5732#endif
6dbad63e 5733#endif
31e31b8a
FB		 5734 case TARGET_NR_adjtimex:
5735 goto unimplemented;
e5febef5 5736#ifdef TARGET_NR_create_module
31e31b8a 5737 case TARGET_NR_create_module:
e5febef5 5738#endif
31e31b8a
FB		 5739 case TARGET_NR_init_module:
5740 case TARGET_NR_delete_module:
e5febef5 5741#ifdef TARGET_NR_get_kernel_syms
31e31b8a 5742 case TARGET_NR_get_kernel_syms:
e5febef5 5743#endif
31e31b8a
FB		 5744 goto unimplemented;
5745 case TARGET_NR_quotactl:
5746 goto unimplemented;
5747 case TARGET_NR_getpgid:
5748 ret = get_errno(getpgid(arg1));
5749 break;
5750 case TARGET_NR_fchdir:
5751 ret = get_errno(fchdir(arg1));
5752 break;
84409ddb 5753#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 5754 case TARGET_NR_bdflush:
5755 goto unimplemented;
84409ddb 5756#endif
e5febef5 5757#ifdef TARGET_NR_sysfs
31e31b8a
FB		 5758 case TARGET_NR_sysfs:
5759 goto unimplemented;
e5febef5 5760#endif
31e31b8a 5761 case TARGET_NR_personality:
1b6b029e 5762 ret = get_errno(personality(arg1));
31e31b8a 5763 break;
e5febef5 5764#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 5765 case TARGET_NR_afs_syscall:
5766 goto unimplemented;
e5febef5 5767#endif
7a3148a9 5768#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 5769 case TARGET_NR__llseek:
5770 {
4f2ac237
FB		 5771#if defined (__x86_64__)
5772 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2f619698
FB		 5773 if (put_user_s64(ret, arg4))
5774 goto efault;
4f2ac237 5775#else
31e31b8a
FB		 5776 int64_t res;
5777 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2f619698
FB		 5778 if (put_user_s64(res, arg4))
5779 goto efault;
4f2ac237 5780#endif
31e31b8a
FB		 5781 }
5782 break;
7a3148a9 5783#endif
31e31b8a 5784 case TARGET_NR_getdents:
992f48a0 5785#if TARGET_ABI_BITS != 32
53a5960a 5786 goto unimplemented;
992f48a0 5787#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 5788 {
53a5960a 5789 struct target_dirent *target_dirp;
6556a833 5790 struct linux_dirent *dirp;
992f48a0 5791 abi_long count = arg3;
4add45b4
FB		 5792
5793 dirp = malloc(count);
0da46a6e 5794 if (!dirp) {
579a97f7 5795 ret = -TARGET_ENOMEM;
0da46a6e
TS		 5796 goto fail;
5797 }
3b46e624 5798
4add45b4
FB		 5799 ret = get_errno(sys_getdents(arg1, dirp, count));
5800 if (!is_error(ret)) {
6556a833 5801 struct linux_dirent *de;
4add45b4
FB		 5802 struct target_dirent *tde;
5803 int len = ret;
5804 int reclen, treclen;
5805 int count1, tnamelen;
5806
5807 count1 = 0;
5808 de = dirp;
579a97f7
FB		 5809 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5810 goto efault;
4add45b4
FB		 5811 tde = target_dirp;
5812 while (len > 0) {
5813 reclen = de->d_reclen;
992f48a0 5814 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 5815 tde->d_reclen = tswap16(treclen);
5816 tde->d_ino = tswapl(de->d_ino);
5817 tde->d_off = tswapl(de->d_off);
992f48a0 5818 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 5819 if (tnamelen > 256)
5820 tnamelen = 256;
80a9d035 5821 /* XXX: may not be correct */
be15b141 5822 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 5823 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 5824 len -= reclen;
1c5bf3bf 5825 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 5826 count1 += treclen;
5827 }
5828 ret = count1;
579a97f7 5829 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 5830 }
5831 free(dirp);
5832 }
5833#else
31e31b8a 5834 {
6556a833 5835 struct linux_dirent *dirp;
992f48a0 5836 abi_long count = arg3;
dab2ed99 5837
579a97f7
FB		 5838 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5839 goto efault;
72f03900 5840 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 5841 if (!is_error(ret)) {
6556a833 5842 struct linux_dirent *de;
31e31b8a
FB		 5843 int len = ret;
5844 int reclen;
5845 de = dirp;
5846 while (len > 0) {
8083a3e5 5847 reclen = de->d_reclen;
31e31b8a
FB		 5848 if (reclen > len)
5849 break;
8083a3e5 5850 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 5851 tswapls(&de->d_ino);
5852 tswapls(&de->d_off);
6556a833 5853 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 5854 len -= reclen;
5855 }
5856 }
53a5960a 5857 unlock_user(dirp, arg2, ret);
31e31b8a 5858 }
4add45b4 5859#endif
31e31b8a 5860 break;
3ae43202 5861#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 5862 case TARGET_NR_getdents64:
5863 {
6556a833 5864 struct linux_dirent64 *dirp;
992f48a0 5865 abi_long count = arg3;
579a97f7
FB		 5866 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5867 goto efault;
dab2ed99
FB		 5868 ret = get_errno(sys_getdents64(arg1, dirp, count));
5869 if (!is_error(ret)) {
6556a833 5870 struct linux_dirent64 *de;
dab2ed99
FB		 5871 int len = ret;
5872 int reclen;
5873 de = dirp;
5874 while (len > 0) {
8083a3e5 5875 reclen = de->d_reclen;
dab2ed99
FB		 5876 if (reclen > len)
5877 break;
8083a3e5 5878 de->d_reclen = tswap16(reclen);
8582a53a
FB		 5879 tswap64s((uint64_t *)&de->d_ino);
5880 tswap64s((uint64_t *)&de->d_off);
6556a833 5881 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 5882 len -= reclen;
5883 }
5884 }
53a5960a 5885 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 5886 }
5887 break;
a541f297 5888#endif /* TARGET_NR_getdents64 */
e5febef5 5889#ifdef TARGET_NR__newselect
31e31b8a 5890 case TARGET_NR__newselect:
53a5960a 5891 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 5892 break;
e5febef5
TS		 5893#endif
5894#ifdef TARGET_NR_poll
9de5e440
FB		 5895 case TARGET_NR_poll:
5896 {
53a5960a 5897 struct target_pollfd *target_pfd;
9de5e440
FB		 5898 unsigned int nfds = arg2;
5899 int timeout = arg3;
5900 struct pollfd *pfd;
7854b056 5901 unsigned int i;
9de5e440 5902
579a97f7
FB		 5903 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5904 if (!target_pfd)
5905 goto efault;
9de5e440
FB		 5906 pfd = alloca(sizeof(struct pollfd) * nfds);
5907 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 5908 pfd[i].fd = tswap32(target_pfd[i].fd);
5909 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 5910 }
5911 ret = get_errno(poll(pfd, nfds, timeout));
5912 if (!is_error(ret)) {
5913 for(i = 0; i < nfds; i++) {
5cd4393b 5914 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 5915 }
53a5960a
PB		 5916 ret += nfds * (sizeof(struct target_pollfd)
5917 - sizeof(struct pollfd));
9de5e440 5918 }
53a5960a 5919 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 5920 }
5921 break;
e5febef5 5922#endif
31e31b8a 5923 case TARGET_NR_flock:
9de5e440
FB		 5924 /* NOTE: the flock constant seems to be the same for every
5925 Linux platform */
5926 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 5927 break;
5928 case TARGET_NR_readv:
5929 {
5930 int count = arg3;
31e31b8a 5931 struct iovec *vec;
31e31b8a
FB		 5932
5933 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5934 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
5935 goto efault;
31e31b8a 5936 ret = get_errno(readv(arg1, vec, count));
53a5960a 5937 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 5938 }
5939 break;
5940 case TARGET_NR_writev:
5941 {
5942 int count = arg3;
31e31b8a 5943 struct iovec *vec;
31e31b8a
FB		 5944
5945 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5946 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
5947 goto efault;
31e31b8a 5948 ret = get_errno(writev(arg1, vec, count));
53a5960a 5949 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 5950 }
5951 break;
5952 case TARGET_NR_getsid:
5953 ret = get_errno(getsid(arg1));
5954 break;
7a3148a9 5955#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 5956 case TARGET_NR_fdatasync:
5cd4393b
FB		 5957 ret = get_errno(fdatasync(arg1));
5958 break;
7a3148a9 5959#endif
31e31b8a 5960 case TARGET_NR__sysctl:
0da46a6e 5961 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 5962 return value. */
0da46a6e
TS		 5963 ret = -TARGET_ENOTDIR;
5964 break;
31e31b8a 5965 case TARGET_NR_sched_setparam:
5cd4393b 5966 {
53a5960a 5967 struct sched_param *target_schp;
5cd4393b 5968 struct sched_param schp;
53a5960a 5969
579a97f7
FB		 5970 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5971 goto efault;
5cd4393b 5972 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 5973 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 5974 ret = get_errno(sched_setparam(arg1, &schp));
5975 }
5976 break;
31e31b8a 5977 case TARGET_NR_sched_getparam:
5cd4393b 5978 {
53a5960a 5979 struct sched_param *target_schp;
5cd4393b
FB		 5980 struct sched_param schp;
5981 ret = get_errno(sched_getparam(arg1, &schp));
5982 if (!is_error(ret)) {
579a97f7
FB		 5983 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
5984 goto efault;
5cd4393b 5985 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 5986 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 5987 }
5988 }
5989 break;
31e31b8a 5990 case TARGET_NR_sched_setscheduler:
5cd4393b 5991 {
53a5960a 5992 struct sched_param *target_schp;
5cd4393b 5993 struct sched_param schp;
579a97f7
FB		 5994 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
5995 goto efault;
5cd4393b 5996 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 5997 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 5998 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
5999 }
6000 break;
31e31b8a 6001 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 6002 ret = get_errno(sched_getscheduler(arg1));
6003 break;
31e31b8a
FB		 6004 case TARGET_NR_sched_yield:
6005 ret = get_errno(sched_yield());
6006 break;
6007 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 6008 ret = get_errno(sched_get_priority_max(arg1));
6009 break;
31e31b8a 6010 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 6011 ret = get_errno(sched_get_priority_min(arg1));
6012 break;
31e31b8a 6013 case TARGET_NR_sched_rr_get_interval:
5cd4393b 6014 {
5cd4393b
FB		 6015 struct timespec ts;
6016 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6017 if (!is_error(ret)) {
53a5960a 6018 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 6019 }
6020 }
6021 break;
31e31b8a 6022 case TARGET_NR_nanosleep:
1b6b029e 6023 {
1b6b029e 6024 struct timespec req, rem;
53a5960a 6025 target_to_host_timespec(&req, arg1);
1b6b029e 6026 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 6027 if (is_error(ret) && arg2) {
6028 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 6029 }
6030 }
6031 break;
e5febef5 6032#ifdef TARGET_NR_query_module
31e31b8a 6033 case TARGET_NR_query_module:
5cd4393b 6034 goto unimplemented;
e5febef5
TS		 6035#endif
6036#ifdef TARGET_NR_nfsservctl
31e31b8a 6037 case TARGET_NR_nfsservctl:
5cd4393b 6038 goto unimplemented;
e5febef5 6039#endif
31e31b8a 6040 case TARGET_NR_prctl:
e5574487
TS		 6041 switch (arg1)
6042 {
6043 case PR_GET_PDEATHSIG:
6044 {
6045 int deathsig;
6046 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 6047 if (!is_error(ret) && arg2
6048 && put_user_ual(deathsig, arg2))
6049 goto efault;
e5574487
TS		 6050 }
6051 break;
6052 default:
6053 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6054 break;
6055 }
39b9aae1 6056 break;
d2fd1af7
FB		 6057#ifdef TARGET_NR_arch_prctl
6058 case TARGET_NR_arch_prctl:
6059#if defined(TARGET_I386) && !defined(TARGET_ABI32)
6060 ret = do_arch_prctl(cpu_env, arg1, arg2);
6061 break;
6062#else
6063 goto unimplemented;
6064#endif
6065#endif
67867308 6066#ifdef TARGET_NR_pread
31e31b8a 6067 case TARGET_NR_pread:
a4ae00bc
AZ		 6068#ifdef TARGET_ARM
6069 if (((CPUARMState *)cpu_env)->eabi)
6070 arg4 = arg5;
6071#endif
579a97f7
FB		 6072 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6073 goto efault;
53a5960a
PB		 6074 ret = get_errno(pread(arg1, p, arg3, arg4));
6075 unlock_user(p, arg2, ret);
206f0fa7 6076 break;
31e31b8a 6077 case TARGET_NR_pwrite:
a4ae00bc
AZ		 6078#ifdef TARGET_ARM
6079 if (((CPUARMState *)cpu_env)->eabi)
6080 arg4 = arg5;
6081#endif
579a97f7
FB		 6082 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6083 goto efault;
53a5960a
PB		 6084 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6085 unlock_user(p, arg2, 0);
206f0fa7 6086 break;
f2c7ba15
AJ		 6087#endif
6088#ifdef TARGET_NR_pread64
6089 case TARGET_NR_pread64:
6090 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6091 goto efault;
6092 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6093 unlock_user(p, arg2, ret);
6094 break;
6095 case TARGET_NR_pwrite64:
6096 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6097 goto efault;
6098 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6099 unlock_user(p, arg2, 0);
6100 break;
67867308 6101#endif
31e31b8a 6102 case TARGET_NR_getcwd:
579a97f7
FB		 6103 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6104 goto efault;
53a5960a
PB		 6105 ret = get_errno(sys_getcwd1(p, arg2));
6106 unlock_user(p, arg1, ret);
31e31b8a
FB		 6107 break;
6108 case TARGET_NR_capget:
5cd4393b 6109 goto unimplemented;
31e31b8a 6110 case TARGET_NR_capset:
5cd4393b 6111 goto unimplemented;
31e31b8a 6112 case TARGET_NR_sigaltstack:
198a74de 6113#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154
LV		 6114 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
6115 defined(TARGET_M68K)
579a97f7 6116 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 6117 break;
6118#else
5cd4393b 6119 goto unimplemented;
a04e134a 6120#endif
31e31b8a 6121 case TARGET_NR_sendfile:
5cd4393b 6122 goto unimplemented;
ebc05488 6123#ifdef TARGET_NR_getpmsg
31e31b8a 6124 case TARGET_NR_getpmsg:
5cd4393b 6125 goto unimplemented;
ebc05488
FB		 6126#endif
6127#ifdef TARGET_NR_putpmsg
31e31b8a 6128 case TARGET_NR_putpmsg:
5cd4393b 6129 goto unimplemented;
ebc05488 6130#endif
048f6b4d 6131#ifdef TARGET_NR_vfork
31e31b8a 6132 case TARGET_NR_vfork:
d865bab5
PB		 6133 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6134 0, 0, 0, 0));
31e31b8a 6135 break;
048f6b4d 6136#endif
ebc05488 6137#ifdef TARGET_NR_ugetrlimit
31e31b8a 6138 case TARGET_NR_ugetrlimit:
728584be
FB		 6139 {
6140 struct rlimit rlim;
6141 ret = get_errno(getrlimit(arg1, &rlim));
6142 if (!is_error(ret)) {
53a5960a 6143 struct target_rlimit *target_rlim;
579a97f7
FB		 6144 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6145 goto efault;
728584be
FB		 6146 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
6147 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 6148 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 6149 }
6150 break;
6151 }
ebc05488 6152#endif
a315a145 6153#ifdef TARGET_NR_truncate64
31e31b8a 6154 case TARGET_NR_truncate64:
579a97f7
FB		 6155 if (!(p = lock_user_string(arg1)))
6156 goto efault;
53a5960a
PB		 6157 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6158 unlock_user(p, arg1, 0);
667f38b1 6159 break;
a315a145
FB		 6160#endif
6161#ifdef TARGET_NR_ftruncate64
31e31b8a 6162 case TARGET_NR_ftruncate64:
ce4defa0 6163 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 6164 break;
a315a145
FB		 6165#endif
6166#ifdef TARGET_NR_stat64
31e31b8a 6167 case TARGET_NR_stat64:
579a97f7
FB		 6168 if (!(p = lock_user_string(arg1)))
6169 goto efault;
53a5960a
PB		 6170 ret = get_errno(stat(path(p), &st));
6171 unlock_user(p, arg1, 0);
6a24a778
AZ		 6172 if (!is_error(ret))
6173 ret = host_to_target_stat64(cpu_env, arg2, &st);
6174 break;
a315a145
FB		 6175#endif
6176#ifdef TARGET_NR_lstat64
31e31b8a 6177 case TARGET_NR_lstat64:
579a97f7
FB		 6178 if (!(p = lock_user_string(arg1)))
6179 goto efault;
53a5960a
PB		 6180 ret = get_errno(lstat(path(p), &st));
6181 unlock_user(p, arg1, 0);
6a24a778
AZ		 6182 if (!is_error(ret))
6183 ret = host_to_target_stat64(cpu_env, arg2, &st);
6184 break;
a315a145
FB		 6185#endif
6186#ifdef TARGET_NR_fstat64
31e31b8a 6187 case TARGET_NR_fstat64:
6a24a778
AZ		 6188 ret = get_errno(fstat(arg1, &st));
6189 if (!is_error(ret))
6190 ret = host_to_target_stat64(cpu_env, arg2, &st);
6191 break;
ce4defa0 6192#endif
9d33b76b
AJ		 6193#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6194 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6195#ifdef TARGET_NR_fstatat64
6a24a778 6196 case TARGET_NR_fstatat64:
9d33b76b
AJ		 6197#endif
6198#ifdef TARGET_NR_newfstatat
6199 case TARGET_NR_newfstatat:
6200#endif
6a24a778
AZ		 6201 if (!(p = lock_user_string(arg2)))
6202 goto efault;
9d33b76b 6203#ifdef __NR_fstatat64
6a24a778 6204 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 6205#else
6206 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6207#endif
6a24a778
AZ		 6208 if (!is_error(ret))
6209 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 6210 break;
a315a145 6211#endif
67867308
FB		 6212#ifdef USE_UID16
6213 case TARGET_NR_lchown:
579a97f7
FB		 6214 if (!(p = lock_user_string(arg1)))
6215 goto efault;
53a5960a
PB		 6216 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6217 unlock_user(p, arg1, 0);
67867308
FB		 6218 break;
6219 case TARGET_NR_getuid:
6220 ret = get_errno(high2lowuid(getuid()));
6221 break;
6222 case TARGET_NR_getgid:
6223 ret = get_errno(high2lowgid(getgid()));
6224 break;
6225 case TARGET_NR_geteuid:
6226 ret = get_errno(high2lowuid(geteuid()));
6227 break;
6228 case TARGET_NR_getegid:
6229 ret = get_errno(high2lowgid(getegid()));
6230 break;
6231 case TARGET_NR_setreuid:
6232 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6233 break;
6234 case TARGET_NR_setregid:
6235 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6236 break;
6237 case TARGET_NR_getgroups:
6238 {
6239 int gidsetsize = arg1;
53a5960a 6240 uint16_t *target_grouplist;
67867308
FB		 6241 gid_t *grouplist;
6242 int i;
6243
6244 grouplist = alloca(gidsetsize * sizeof(gid_t));
6245 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6246 if (gidsetsize == 0)
6247 break;
67867308 6248 if (!is_error(ret)) {
579a97f7
FB		 6249 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6250 if (!target_grouplist)
6251 goto efault;
a2155fcc 6252 for(i = 0;i < ret; i++)
67867308 6253 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 6254 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 6255 }
6256 }
6257 break;
6258 case TARGET_NR_setgroups:
6259 {
6260 int gidsetsize = arg1;
53a5960a 6261 uint16_t *target_grouplist;
67867308
FB		 6262 gid_t *grouplist;
6263 int i;
6264
6265 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6266 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6267 if (!target_grouplist) {
6268 ret = -TARGET_EFAULT;
6269 goto fail;
6270 }
67867308
FB		 6271 for(i = 0;i < gidsetsize; i++)
6272 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 6273 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 6274 ret = get_errno(setgroups(gidsetsize, grouplist));
6275 }
6276 break;
6277 case TARGET_NR_fchown:
6278 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6279 break;
ccfa72b7
TS		 6280#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6281 case TARGET_NR_fchownat:
579a97f7
FB		 6282 if (!(p = lock_user_string(arg2)))
6283 goto efault;
6284 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6285 unlock_user(p, arg2, 0);
ccfa72b7
TS		 6286 break;
6287#endif
67867308
FB		 6288#ifdef TARGET_NR_setresuid
6289 case TARGET_NR_setresuid:
5fafdf24
TS		 6290 ret = get_errno(setresuid(low2highuid(arg1),
6291 low2highuid(arg2),
67867308
FB		 6292 low2highuid(arg3)));
6293 break;
6294#endif
6295#ifdef TARGET_NR_getresuid
6296 case TARGET_NR_getresuid:
6297 {
53a5960a 6298 uid_t ruid, euid, suid;
67867308
FB		 6299 ret = get_errno(getresuid(&ruid, &euid, &suid));
6300 if (!is_error(ret)) {
2f619698
FB		 6301 if (put_user_u16(high2lowuid(ruid), arg1)
6302 || put_user_u16(high2lowuid(euid), arg2)
6303 || put_user_u16(high2lowuid(suid), arg3))
6304 goto efault;
67867308
FB		 6305 }
6306 }
6307 break;
6308#endif
6309#ifdef TARGET_NR_getresgid
6310 case TARGET_NR_setresgid:
5fafdf24
TS		 6311 ret = get_errno(setresgid(low2highgid(arg1),
6312 low2highgid(arg2),
67867308
FB		 6313 low2highgid(arg3)));
6314 break;
6315#endif
6316#ifdef TARGET_NR_getresgid
6317 case TARGET_NR_getresgid:
6318 {
53a5960a 6319 gid_t rgid, egid, sgid;
67867308
FB		 6320 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6321 if (!is_error(ret)) {
2f619698
FB		 6322 if (put_user_u16(high2lowgid(rgid), arg1)
6323 || put_user_u16(high2lowgid(egid), arg2)
6324 || put_user_u16(high2lowgid(sgid), arg3))
6325 goto efault;
67867308
FB		 6326 }
6327 }
6328 break;
6329#endif
6330 case TARGET_NR_chown:
579a97f7
FB		 6331 if (!(p = lock_user_string(arg1)))
6332 goto efault;
53a5960a
PB		 6333 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6334 unlock_user(p, arg1, 0);
67867308
FB		 6335 break;
6336 case TARGET_NR_setuid:
6337 ret = get_errno(setuid(low2highuid(arg1)));
6338 break;
6339 case TARGET_NR_setgid:
6340 ret = get_errno(setgid(low2highgid(arg1)));
6341 break;
6342 case TARGET_NR_setfsuid:
6343 ret = get_errno(setfsuid(arg1));
6344 break;
6345 case TARGET_NR_setfsgid:
6346 ret = get_errno(setfsgid(arg1));
6347 break;
6348#endif /* USE_UID16 */
6349
a315a145 6350#ifdef TARGET_NR_lchown32
31e31b8a 6351 case TARGET_NR_lchown32:
579a97f7
FB		 6352 if (!(p = lock_user_string(arg1)))
6353 goto efault;
53a5960a
PB		 6354 ret = get_errno(lchown(p, arg2, arg3));
6355 unlock_user(p, arg1, 0);
b03c60f3 6356 break;
a315a145
FB		 6357#endif
6358#ifdef TARGET_NR_getuid32
31e31b8a 6359 case TARGET_NR_getuid32:
b03c60f3
FB		 6360 ret = get_errno(getuid());
6361 break;
a315a145 6362#endif
64b4d28c
AJ		 6363
6364#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6365 /* Alpha specific */
6366 case TARGET_NR_getxuid:
6367 {
6368 uid_t euid;
6369 euid=geteuid();
6370 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6371 }
6372 ret = get_errno(getuid());
6373 break;
6374#endif
6375#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6376 /* Alpha specific */
6377 case TARGET_NR_getxgid:
6378 {
6379 uid_t egid;
6380 egid=getegid();
6381 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6382 }
6383 ret = get_errno(getgid());
6384 break;
6385#endif
6386
a315a145 6387#ifdef TARGET_NR_getgid32
31e31b8a 6388 case TARGET_NR_getgid32:
b03c60f3
FB		 6389 ret = get_errno(getgid());
6390 break;
a315a145
FB		 6391#endif
6392#ifdef TARGET_NR_geteuid32
31e31b8a 6393 case TARGET_NR_geteuid32:
b03c60f3
FB		 6394 ret = get_errno(geteuid());
6395 break;
a315a145
FB		 6396#endif
6397#ifdef TARGET_NR_getegid32
31e31b8a 6398 case TARGET_NR_getegid32:
b03c60f3
FB		 6399 ret = get_errno(getegid());
6400 break;
a315a145
FB		 6401#endif
6402#ifdef TARGET_NR_setreuid32
31e31b8a 6403 case TARGET_NR_setreuid32:
b03c60f3
FB		 6404 ret = get_errno(setreuid(arg1, arg2));
6405 break;
a315a145
FB		 6406#endif
6407#ifdef TARGET_NR_setregid32
31e31b8a 6408 case TARGET_NR_setregid32:
b03c60f3
FB		 6409 ret = get_errno(setregid(arg1, arg2));
6410 break;
a315a145
FB		 6411#endif
6412#ifdef TARGET_NR_getgroups32
31e31b8a 6413 case TARGET_NR_getgroups32:
99c475ab
FB		 6414 {
6415 int gidsetsize = arg1;
53a5960a 6416 uint32_t *target_grouplist;
99c475ab
FB		 6417 gid_t *grouplist;
6418 int i;
6419
6420 grouplist = alloca(gidsetsize * sizeof(gid_t));
6421 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6422 if (gidsetsize == 0)
6423 break;
99c475ab 6424 if (!is_error(ret)) {
579a97f7
FB		 6425 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6426 if (!target_grouplist) {
6427 ret = -TARGET_EFAULT;
6428 goto fail;
6429 }
a2155fcc 6430 for(i = 0;i < ret; i++)
53a5960a
PB		 6431 target_grouplist[i] = tswap32(grouplist[i]);
6432 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 6433 }
6434 }
6435 break;
a315a145
FB		 6436#endif
6437#ifdef TARGET_NR_setgroups32
31e31b8a 6438 case TARGET_NR_setgroups32:
99c475ab
FB		 6439 {
6440 int gidsetsize = arg1;
53a5960a 6441 uint32_t *target_grouplist;
99c475ab
FB		 6442 gid_t *grouplist;
6443 int i;
3b46e624 6444
99c475ab 6445 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6446 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6447 if (!target_grouplist) {
6448 ret = -TARGET_EFAULT;
6449 goto fail;
6450 }
99c475ab 6451 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 6452 grouplist[i] = tswap32(target_grouplist[i]);
6453 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 6454 ret = get_errno(setgroups(gidsetsize, grouplist));
6455 }
6456 break;
a315a145
FB		 6457#endif
6458#ifdef TARGET_NR_fchown32
31e31b8a 6459 case TARGET_NR_fchown32:
b03c60f3
FB		 6460 ret = get_errno(fchown(arg1, arg2, arg3));
6461 break;
a315a145
FB		 6462#endif
6463#ifdef TARGET_NR_setresuid32
31e31b8a 6464 case TARGET_NR_setresuid32:
b03c60f3
FB		 6465 ret = get_errno(setresuid(arg1, arg2, arg3));
6466 break;
a315a145
FB		 6467#endif
6468#ifdef TARGET_NR_getresuid32
31e31b8a 6469 case TARGET_NR_getresuid32:
b03c60f3 6470 {
53a5960a 6471 uid_t ruid, euid, suid;
b03c60f3
FB		 6472 ret = get_errno(getresuid(&ruid, &euid, &suid));
6473 if (!is_error(ret)) {
2f619698
FB		 6474 if (put_user_u32(ruid, arg1)
6475 || put_user_u32(euid, arg2)
6476 || put_user_u32(suid, arg3))
6477 goto efault;
b03c60f3
FB		 6478 }
6479 }
6480 break;
a315a145
FB		 6481#endif
6482#ifdef TARGET_NR_setresgid32
31e31b8a 6483 case TARGET_NR_setresgid32:
b03c60f3
FB		 6484 ret = get_errno(setresgid(arg1, arg2, arg3));
6485 break;
a315a145
FB		 6486#endif
6487#ifdef TARGET_NR_getresgid32
31e31b8a 6488 case TARGET_NR_getresgid32:
b03c60f3 6489 {
53a5960a 6490 gid_t rgid, egid, sgid;
b03c60f3
FB		 6491 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6492 if (!is_error(ret)) {
2f619698
FB		 6493 if (put_user_u32(rgid, arg1)
6494 || put_user_u32(egid, arg2)
6495 || put_user_u32(sgid, arg3))
6496 goto efault;
b03c60f3
FB		 6497 }
6498 }
6499 break;
a315a145
FB		 6500#endif
6501#ifdef TARGET_NR_chown32
31e31b8a 6502 case TARGET_NR_chown32:
579a97f7
FB		 6503 if (!(p = lock_user_string(arg1)))
6504 goto efault;
53a5960a
PB		 6505 ret = get_errno(chown(p, arg2, arg3));
6506 unlock_user(p, arg1, 0);
b03c60f3 6507 break;
a315a145
FB		 6508#endif
6509#ifdef TARGET_NR_setuid32
31e31b8a 6510 case TARGET_NR_setuid32:
b03c60f3
FB		 6511 ret = get_errno(setuid(arg1));
6512 break;
a315a145
FB		 6513#endif
6514#ifdef TARGET_NR_setgid32
31e31b8a 6515 case TARGET_NR_setgid32:
b03c60f3
FB		 6516 ret = get_errno(setgid(arg1));
6517 break;
a315a145
FB		 6518#endif
6519#ifdef TARGET_NR_setfsuid32
31e31b8a 6520 case TARGET_NR_setfsuid32:
b03c60f3
FB		 6521 ret = get_errno(setfsuid(arg1));
6522 break;
a315a145
FB		 6523#endif
6524#ifdef TARGET_NR_setfsgid32
31e31b8a 6525 case TARGET_NR_setfsgid32:
b03c60f3
FB		 6526 ret = get_errno(setfsgid(arg1));
6527 break;
a315a145 6528#endif
67867308 6529
31e31b8a 6530 case TARGET_NR_pivot_root:
b03c60f3 6531 goto unimplemented;
ffa65c3b 6532#ifdef TARGET_NR_mincore
31e31b8a 6533 case TARGET_NR_mincore:
04bb9ace
AJ		 6534 {
6535 void *a;
6536 ret = -TARGET_EFAULT;
6537 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6538 goto efault;
6539 if (!(p = lock_user_string(arg3)))
6540 goto mincore_fail;
6541 ret = get_errno(mincore(a, arg2, p));
6542 unlock_user(p, arg3, ret);
6543 mincore_fail:
6544 unlock_user(a, arg1, 0);
6545 }
6546 break;
ffa65c3b 6547#endif
408321b6
AJ		 6548#ifdef TARGET_NR_arm_fadvise64_64
6549 case TARGET_NR_arm_fadvise64_64:
6550 {
6551 /*
6552 * arm_fadvise64_64 looks like fadvise64_64 but
6553 * with different argument order
6554 */
6555 abi_long temp;
6556 temp = arg3;
6557 arg3 = arg4;
6558 arg4 = temp;
6559 }
6560#endif
6561#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
6562#ifdef TARGET_NR_fadvise64_64
6563 case TARGET_NR_fadvise64_64:
6564#endif
6565 /* This is a hint, so ignoring and returning success is ok. */
6566 ret = get_errno(0);
6567 break;
6568#endif
ffa65c3b 6569#ifdef TARGET_NR_madvise
31e31b8a 6570 case TARGET_NR_madvise:
24836689
PB		 6571 /* A straight passthrough may not be safe because qemu sometimes
6572 turns private flie-backed mappings into anonymous mappings.
6573 This will break MADV_DONTNEED.
6574 This is a hint, so ignoring and returning success is ok. */
6575 ret = get_errno(0);
6576 break;
ffa65c3b 6577#endif
992f48a0 6578#if TARGET_ABI_BITS == 32
31e31b8a 6579 case TARGET_NR_fcntl64:
77e4672d 6580 {
b1e341eb 6581 int cmd;
77e4672d 6582 struct flock64 fl;
53a5960a 6583 struct target_flock64 *target_fl;
ce4defa0 6584#ifdef TARGET_ARM
53a5960a 6585 struct target_eabi_flock64 *target_efl;
ce4defa0 6586#endif
77e4672d 6587
5f106811
APR		 6588 cmd = target_to_host_fcntl_cmd(arg2);
6589 if (cmd == -TARGET_EINVAL)
6590 return cmd;
b1e341eb 6591
60cd49d5 6592 switch(arg2) {
b1e341eb 6593 case TARGET_F_GETLK64:
5813427b
TS		 6594#ifdef TARGET_ARM
6595 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6596 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6597 goto efault;
5813427b
TS		 6598 fl.l_type = tswap16(target_efl->l_type);
6599 fl.l_whence = tswap16(target_efl->l_whence);
6600 fl.l_start = tswap64(target_efl->l_start);
6601 fl.l_len = tswap64(target_efl->l_len);
6602 fl.l_pid = tswapl(target_efl->l_pid);
6603 unlock_user_struct(target_efl, arg3, 0);
6604 } else
6605#endif
6606 {
9ee1fa2c
FB		 6607 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6608 goto efault;
5813427b
TS		 6609 fl.l_type = tswap16(target_fl->l_type);
6610 fl.l_whence = tswap16(target_fl->l_whence);
6611 fl.l_start = tswap64(target_fl->l_start);
6612 fl.l_len = tswap64(target_fl->l_len);
6613 fl.l_pid = tswapl(target_fl->l_pid);
6614 unlock_user_struct(target_fl, arg3, 0);
6615 }
b1e341eb 6616 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6617 if (ret == 0) {
ce4defa0
PB		 6618#ifdef TARGET_ARM
6619 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6620 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6621 goto efault;
ce4defa0
PB		 6622 target_efl->l_type = tswap16(fl.l_type);
6623 target_efl->l_whence = tswap16(fl.l_whence);
6624 target_efl->l_start = tswap64(fl.l_start);
6625 target_efl->l_len = tswap64(fl.l_len);
6626 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 6627 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 6628 } else
6629#endif
6630 {
9ee1fa2c
FB		 6631 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6632 goto efault;
ce4defa0
PB		 6633 target_fl->l_type = tswap16(fl.l_type);
6634 target_fl->l_whence = tswap16(fl.l_whence);
6635 target_fl->l_start = tswap64(fl.l_start);
6636 target_fl->l_len = tswap64(fl.l_len);
6637 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 6638 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 6639 }
77e4672d
FB		 6640 }
6641 break;
6642
b1e341eb
TS		 6643 case TARGET_F_SETLK64:
6644 case TARGET_F_SETLKW64:
ce4defa0
PB		 6645#ifdef TARGET_ARM
6646 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6647 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6648 goto efault;
ce4defa0
PB		 6649 fl.l_type = tswap16(target_efl->l_type);
6650 fl.l_whence = tswap16(target_efl->l_whence);
6651 fl.l_start = tswap64(target_efl->l_start);
6652 fl.l_len = tswap64(target_efl->l_len);
6653 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 6654 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 6655 } else
6656#endif
6657 {
9ee1fa2c
FB		 6658 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6659 goto efault;
ce4defa0
PB		 6660 fl.l_type = tswap16(target_fl->l_type);
6661 fl.l_whence = tswap16(target_fl->l_whence);
6662 fl.l_start = tswap64(target_fl->l_start);
6663 fl.l_len = tswap64(target_fl->l_len);
6664 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 6665 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 6666 }
b1e341eb 6667 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6668 break;
60cd49d5 6669 default:
5f106811 6670 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 6671 break;
6672 }
77e4672d
FB		 6673 break;
6674 }
60cd49d5 6675#endif
7d600c80
TS		 6676#ifdef TARGET_NR_cacheflush
6677 case TARGET_NR_cacheflush:
6678 /* self-modifying code is handled automatically, so nothing needed */
6679 ret = 0;
6680 break;
6681#endif
ebc05488 6682#ifdef TARGET_NR_security
31e31b8a
FB		 6683 case TARGET_NR_security:
6684 goto unimplemented;
c573ff67
FB		 6685#endif
6686#ifdef TARGET_NR_getpagesize
6687 case TARGET_NR_getpagesize:
6688 ret = TARGET_PAGE_SIZE;
6689 break;
ebc05488 6690#endif
31e31b8a
FB		 6691 case TARGET_NR_gettid:
6692 ret = get_errno(gettid());
6693 break;
e5febef5 6694#ifdef TARGET_NR_readahead
31e31b8a 6695 case TARGET_NR_readahead:
2054ac9b
AJ		 6696#if TARGET_ABI_BITS == 32
6697#ifdef TARGET_ARM
6698 if (((CPUARMState *)cpu_env)->eabi)
6699 {
6700 arg2 = arg3;
6701 arg3 = arg4;
6702 arg4 = arg5;
6703 }
6704#endif
6705 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
6706#else
6707 ret = get_errno(readahead(arg1, arg2, arg3));
6708#endif
6709 break;
e5febef5 6710#endif
ebc05488 6711#ifdef TARGET_NR_setxattr
31e31b8a
FB		 6712 case TARGET_NR_setxattr:
6713 case TARGET_NR_lsetxattr:
6714 case TARGET_NR_fsetxattr:
6715 case TARGET_NR_getxattr:
6716 case TARGET_NR_lgetxattr:
6717 case TARGET_NR_fgetxattr:
6718 case TARGET_NR_listxattr:
6719 case TARGET_NR_llistxattr:
6720 case TARGET_NR_flistxattr:
6721 case TARGET_NR_removexattr:
6722 case TARGET_NR_lremovexattr:
6723 case TARGET_NR_fremovexattr:
6f932f91
AP		 6724 ret = -TARGET_EOPNOTSUPP;
6725 break;
ebc05488
FB		 6726#endif
6727#ifdef TARGET_NR_set_thread_area
5cd4393b 6728 case TARGET_NR_set_thread_area:
8d18e893 6729#if defined(TARGET_MIPS)
6f5b89a0
TS		 6730 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
6731 ret = 0;
6732 break;
ef96779b
EI		 6733#elif defined(TARGET_CRIS)
6734 if (arg1 & 0xff)
6735 ret = -TARGET_EINVAL;
6736 else {
6737 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
6738 ret = 0;
6739 }
6740 break;
8d18e893
FB		 6741#elif defined(TARGET_I386) && defined(TARGET_ABI32)
6742 ret = do_set_thread_area(cpu_env, arg1);
6743 break;
6f5b89a0
TS		 6744#else
6745 goto unimplemented_nowarn;
6746#endif
6747#endif
6748#ifdef TARGET_NR_get_thread_area
5cd4393b 6749 case TARGET_NR_get_thread_area:
8d18e893
FB		 6750#if defined(TARGET_I386) && defined(TARGET_ABI32)
6751 ret = do_get_thread_area(cpu_env, arg1);
6752#else
5cd4393b 6753 goto unimplemented_nowarn;
48dc41eb 6754#endif
8d18e893 6755#endif
48dc41eb
FB		 6756#ifdef TARGET_NR_getdomainname
6757 case TARGET_NR_getdomainname:
6758 goto unimplemented_nowarn;
ebc05488 6759#endif
6f5b89a0 6760
b5906f95
TS		 6761#ifdef TARGET_NR_clock_gettime
6762 case TARGET_NR_clock_gettime:
6763 {
6764 struct timespec ts;
6765 ret = get_errno(clock_gettime(arg1, &ts));
6766 if (!is_error(ret)) {
6767 host_to_target_timespec(arg2, &ts);
6768 }
6769 break;
6770 }
6771#endif
6772#ifdef TARGET_NR_clock_getres
6773 case TARGET_NR_clock_getres:
6774 {
6775 struct timespec ts;
6776 ret = get_errno(clock_getres(arg1, &ts));
6777 if (!is_error(ret)) {
6778 host_to_target_timespec(arg2, &ts);
6779 }
6780 break;
6781 }
6782#endif
63d7651b
PB		 6783#ifdef TARGET_NR_clock_nanosleep
6784 case TARGET_NR_clock_nanosleep:
6785 {
6786 struct timespec ts;
6787 target_to_host_timespec(&ts, arg3);
6788 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
6789 if (arg4)
6790 host_to_target_timespec(arg4, &ts);
6791 break;
6792 }
6793#endif
b5906f95 6794
6f5b89a0
TS		 6795#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6796 case TARGET_NR_set_tid_address:
579a97f7
FB		 6797 ret = get_errno(set_tid_address((int *)g2h(arg1)));
6798 break;
6f5b89a0
TS		 6799#endif
6800
3ae43202 6801#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 6802 case TARGET_NR_tkill:
4cb05961 6803 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 6804 break;
6805#endif
6806
3ae43202 6807#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 6808 case TARGET_NR_tgkill:
4cb05961
PB		 6809 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
6810 target_to_host_signal(arg3)));
71455574
TS		 6811 break;
6812#endif
6813
4f2b1fe8
TS		 6814#ifdef TARGET_NR_set_robust_list
6815 case TARGET_NR_set_robust_list:
6816 goto unimplemented_nowarn;
6817#endif
6818
9007f0ef
TS		 6819#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6820 case TARGET_NR_utimensat:
6821 {
ebc996f3
RV		 6822 struct timespec *tsp, ts[2];
6823 if (!arg3) {
6824 tsp = NULL;
6825 } else {
6826 target_to_host_timespec(ts, arg3);
6827 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6828 tsp = ts;
6829 }
9007f0ef 6830 if (!arg2)
ebc996f3 6831 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 6832 else {
579a97f7 6833 if (!(p = lock_user_string(arg2))) {
0da46a6e 6834 ret = -TARGET_EFAULT;
579a97f7
FB		 6835 goto fail;
6836 }
ebc996f3 6837 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 6838 unlock_user(p, arg2, 0);
9007f0ef
TS		 6839 }
6840 }
6841 break;
6842#endif
2f7bb878 6843#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 6844 case TARGET_NR_futex:
6845 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
6846 break;
6847#endif
dbfe4c36 6848#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 6849 case TARGET_NR_inotify_init:
6850 ret = get_errno(sys_inotify_init());
6851 break;
6852#endif
dbfe4c36 6853#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 6854 case TARGET_NR_inotify_add_watch:
6855 p = lock_user_string(arg2);
6856 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
6857 unlock_user(p, arg2, 0);
6858 break;
6859#endif
dbfe4c36 6860#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 6861 case TARGET_NR_inotify_rm_watch:
6862 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
6863 break;
6864#endif
9007f0ef 6865
24e1003a
AJ		 6866#ifdef TARGET_NR_mq_open
6867 case TARGET_NR_mq_open:
6868 {
6869 struct mq_attr posix_mq_attr;
6870
6871 p = lock_user_string(arg1 - 1);
6872 if (arg4 != 0)
6873 copy_from_user_mq_attr (&posix_mq_attr, arg4);
6874 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
6875 unlock_user (p, arg1, 0);
6876 }
6877 break;
6878
6879 case TARGET_NR_mq_unlink:
6880 p = lock_user_string(arg1 - 1);
6881 ret = get_errno(mq_unlink(p));
6882 unlock_user (p, arg1, 0);
6883 break;
6884
6885 case TARGET_NR_mq_timedsend:
6886 {
6887 struct timespec ts;
6888
6889 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6890 if (arg5 != 0) {
6891 target_to_host_timespec(&ts, arg5);
6892 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
6893 host_to_target_timespec(arg5, &ts);
6894 }
6895 else
6896 ret = get_errno(mq_send(arg1, p, arg3, arg4));
6897 unlock_user (p, arg2, arg3);
6898 }
6899 break;
6900
6901 case TARGET_NR_mq_timedreceive:
6902 {
6903 struct timespec ts;
6904 unsigned int prio;
6905
6906 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6907 if (arg5 != 0) {
6908 target_to_host_timespec(&ts, arg5);
6909 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
6910 host_to_target_timespec(arg5, &ts);
6911 }
6912 else
6913 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
6914 unlock_user (p, arg2, arg3);
6915 if (arg4 != 0)
6916 put_user_u32(prio, arg4);
6917 }
6918 break;
6919
6920 /* Not implemented for now... */
6921/* case TARGET_NR_mq_notify: */
6922/* break; */
6923
6924 case TARGET_NR_mq_getsetattr:
6925 {
6926 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
6927 ret = 0;
6928 if (arg3 != 0) {
6929 ret = mq_getattr(arg1, &posix_mq_attr_out);
6930 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
6931 }
6932 if (arg2 != 0) {
6933 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
6934 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
6935 }
6936
6937 }
6938 break;
6939#endif
6940
3ce34dfb
VS		 6941#ifdef CONFIG_SPLICE
6942#ifdef TARGET_NR_tee
6943 case TARGET_NR_tee:
6944 {
6945 ret = get_errno(tee(arg1,arg2,arg3,arg4));
6946 }
6947 break;
6948#endif
6949#ifdef TARGET_NR_splice
6950 case TARGET_NR_splice:
6951 {
6952 loff_t loff_in, loff_out;
6953 loff_t *ploff_in = NULL, *ploff_out = NULL;
6954 if(arg2) {
6955 get_user_u64(loff_in, arg2);
6956 ploff_in = &loff_in;
6957 }
6958 if(arg4) {
6959 get_user_u64(loff_out, arg2);
6960 ploff_out = &loff_out;
6961 }
6962 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
6963 }
6964 break;
6965#endif
6966#ifdef TARGET_NR_vmsplice
6967 case TARGET_NR_vmsplice:
6968 {
6969 int count = arg3;
6970 struct iovec *vec;
6971
6972 vec = alloca(count * sizeof(struct iovec));
6973 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6974 goto efault;
6975 ret = get_errno(vmsplice(arg1, vec, count, arg4));
6976 unlock_iovec(vec, arg2, count, 0);
6977 }
6978 break;
6979#endif
6980#endif /* CONFIG_SPLICE */
c2882b96
RV		 6981#ifdef CONFIG_EVENTFD
6982#if defined(TARGET_NR_eventfd)
6983 case TARGET_NR_eventfd:
6984 ret = get_errno(eventfd(arg1, 0));
6985 break;
6986#endif
6987#if defined(TARGET_NR_eventfd2)
6988 case TARGET_NR_eventfd2:
6989 ret = get_errno(eventfd(arg1, arg2));
6990 break;
6991#endif
6992#endif /* CONFIG_EVENTFD */
31e31b8a
FB		 6993 default:
6994 unimplemented:
5cd4393b 6995 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 6996#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 6997 unimplemented_nowarn:
80a9d035 6998#endif
0da46a6e 6999 ret = -TARGET_ENOSYS;
31e31b8a
FB		 7000 break;
7001 }
579a97f7 7002fail:
c573ff67 7003#ifdef DEBUG
0bf9e31a 7004 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 7005#endif
b92c47c1
TS		 7006 if(do_strace)
7007 print_syscall_ret(num, ret);
31e31b8a 7008 return ret;
579a97f7
FB		 7009efault:
7010 ret = -TARGET_EFAULT;
7011 goto fail;
31e31b8a 7012}
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