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linux-user: Implement sendmmsg syscall
[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>
c56dc774 31#include <grp.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>
586b0bef
JS		 39#include <sys/file.h>
40#include <sys/fsuid.h>
41#include <sys/personality.h>
39b9aae1 42#include <sys/prctl.h>
31e31b8a
FB		 43#include <sys/resource.h>
44#include <sys/mman.h>
45#include <sys/swap.h>
46#include <signal.h>
47#include <sched.h>
60e99246
AJ		 48#ifdef __ia64__
49int __clone2(int (*fn)(void *), void *child_stack_base,
50 size_t stack_size, int flags, void *arg, ...);
51#endif
31e31b8a 52#include <sys/socket.h>
607175e0 53#include <sys/un.h>
31e31b8a 54#include <sys/uio.h>
9de5e440 55#include <sys/poll.h>
32f36bce 56#include <sys/times.h>
8853f86e 57#include <sys/shm.h>
fa294816 58#include <sys/sem.h>
56c8f68f 59#include <sys/statfs.h>
ebc05488 60#include <utime.h>
a5448a7d 61#include <sys/sysinfo.h>
3b3f24ad 62#include <sys/utsname.h>
72f03900 63//#include <sys/user.h>
8853f86e 64#include <netinet/ip.h>
7854b056 65#include <netinet/tcp.h>
86fcd946 66#include <linux/wireless.h>
920394db 67#include <linux/icmp.h>
5a61cb60 68#include "qemu-common.h"
9788c9ca 69#ifdef TARGET_GPROF
6d946cda
AJ		 70#include <sys/gmon.h>
71#endif
c2882b96
RV		 72#ifdef CONFIG_EVENTFD
73#include <sys/eventfd.h>
74#endif
3b6edd16
PM		 75#ifdef CONFIG_EPOLL
76#include <sys/epoll.h>
77#endif
a790ae38 78#ifdef CONFIG_ATTR
1de7afc9 79#include "qemu/xattr.h"
a790ae38 80#endif
a8fd1aba
PM		 81#ifdef CONFIG_SENDFILE
82#include <sys/sendfile.h>
83#endif
31e31b8a
FB		 84
85#define termios host_termios
86#define winsize host_winsize
87#define termio host_termio
04369ff2
FB		 88#define sgttyb host_sgttyb /* same as target */
89#define tchars host_tchars /* same as target */
90#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 91
92#include <linux/termios.h>
93#include <linux/unistd.h>
94#include <linux/utsname.h>
95#include <linux/cdrom.h>
96#include <linux/hdreg.h>
97#include <linux/soundcard.h>
19b84f3c 98#include <linux/kd.h>
8fbd6b52 99#include <linux/mtio.h>
350d1779 100#include <linux/fs.h>
dace20dc 101#if defined(CONFIG_FIEMAP)
285da2b9 102#include <linux/fiemap.h>
dace20dc 103#endif
f7680a55
UH		 104#include <linux/fb.h>
105#include <linux/vt.h>
56e904ec 106#include <linux/dm-ioctl.h>
c07ecc68 107#include <linux/reboot.h>
7ff7b666 108#include <linux/route.h>
f57d4192 109#include <linux/filter.h>
fff8c539 110#include <linux/blkpg.h>
d7e4036e 111#include "linux_loop.h"
da79030f 112#include "cpu-uname.h"
31e31b8a 113
3ef693a0 114#include "qemu.h"
31e31b8a 115
d865bab5
PB		 116#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
117 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
30813cea 118
72f03900 119//#define DEBUG
31e31b8a 120
1a9353d2 121//#include <linux/msdos_fs.h>
6556a833
AJ		 122#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
123#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 124
70a194b9 125
70a194b9
FB		 126#undef _syscall0
127#undef _syscall1
128#undef _syscall2
129#undef _syscall3
130#undef _syscall4
131#undef _syscall5
83fcb515 132#undef _syscall6
70a194b9 133
83fcb515 134#define _syscall0(type,name) \
8fcd3692 135static type name (void) \
83fcb515
FB		 136{ \
137 return syscall(__NR_##name); \
138}
70a194b9 139
83fcb515 140#define _syscall1(type,name,type1,arg1) \
8fcd3692 141static type name (type1 arg1) \
83fcb515
FB		 142{ \
143 return syscall(__NR_##name, arg1); \
70a194b9
FB		 144}
145
83fcb515 146#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 147static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 148{ \
149 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 150}
151
83fcb515 152#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 153static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 154{ \
155 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 156}
157
83fcb515 158#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 159static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 160{ \
161 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 162}
163
83fcb515
FB		 164#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
165 type5,arg5) \
8fcd3692 166static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 167{ \
168 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 169}
170
83fcb515
FB		 171
172#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
173 type5,arg5,type6,arg6) \
8fcd3692
BS		 174static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
175 type6 arg6) \
83fcb515
FB		 176{ \
177 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 178}
83fcb515 179
70a194b9 180
31e31b8a 181#define __NR_sys_uname __NR_uname
72f03900 182#define __NR_sys_getcwd1 __NR_getcwd
72f03900 183#define __NR_sys_getdents __NR_getdents
dab2ed99 184#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 185#define __NR_sys_getpriority __NR_getpriority
66fb9763 186#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
7494b0f9 187#define __NR_sys_syslog __NR_syslog
71455574 188#define __NR_sys_tgkill __NR_tgkill
4cae1d16 189#define __NR_sys_tkill __NR_tkill
bd0c5661 190#define __NR_sys_futex __NR_futex
39b59763
AJ		 191#define __NR_sys_inotify_init __NR_inotify_init
192#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
193#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 194
42a39fbe
AG		 195#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
196 defined(__s390x__)
9af9eaaa
FB		 197#define __NR__llseek __NR_lseek
198#endif
199
72f03900 200#ifdef __NR_gettid
31e31b8a 201_syscall0(int, gettid)
72f03900 202#else
0da46a6e
TS		 203/* This is a replacement for the host gettid() and must return a host
204 errno. */
72f03900
FB		 205static int gettid(void) {
206 return -ENOSYS;
207}
208#endif
3307e236 209#ifdef __NR_getdents
3b3f24ad 210_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3307e236
PM		 211#endif
212#if !defined(__NR_getdents) || \
213 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
3b3f24ad
AJ		 214_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
215#endif
d35b261c 216#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
3b3f24ad
AJ		 217_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
218 loff_t *, res, uint, wh);
219#endif
220_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
221_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
222#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
223_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
224#endif
225#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
226_syscall2(int,sys_tkill,int,tid,int,sig)
227#endif
228#ifdef __NR_exit_group
229_syscall1(int,exit_group,int,error_code)
230#endif
231#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
232_syscall1(int,set_tid_address,int *,tidptr)
233#endif
3b3f24ad
AJ		 234#if defined(TARGET_NR_futex) && defined(__NR_futex)
235_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
236 const struct timespec *,timeout,int *,uaddr2,int,val3)
237#endif
737de1d1
MF		 238#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
239_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
240 unsigned long *, user_mask_ptr);
241#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
242_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
243 unsigned long *, user_mask_ptr);
0f6b4d21
AG		 244_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
245 void *, arg);
3b3f24ad
AJ		 246
247static bitmask_transtbl fcntl_flags_tbl[] = {
248 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
249 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
250 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
251 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
252 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
253 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
254 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
255 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
afc8763f 256 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
3b3f24ad
AJ		 257 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
258 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
259 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
260 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
3b3f24ad
AJ		 261#if defined(O_DIRECT)
262 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
afc8763f
RH		 263#endif
264#if defined(O_NOATIME)
265 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
266#endif
267#if defined(O_CLOEXEC)
268 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
269#endif
270#if defined(O_PATH)
271 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
272#endif
273 /* Don't terminate the list prematurely on 64-bit host+guest. */
274#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
275 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
3b3f24ad
AJ		 276#endif
277 { 0, 0, 0, 0 }
278};
279
280#define COPY_UTSNAME_FIELD(dest, src) \
281 do { \
282 /* __NEW_UTS_LEN doesn't include terminating null */ \
283 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
284 (dest)[__NEW_UTS_LEN] = '\0'; \
285 } while (0)
286
287static int sys_uname(struct new_utsname *buf)
288{
289 struct utsname uts_buf;
290
291 if (uname(&uts_buf) < 0)
292 return (-1);
293
294 /*
295 * Just in case these have some differences, we
296 * translate utsname to new_utsname (which is the
297 * struct linux kernel uses).
298 */
299
67bd9ede 300 memset(buf, 0, sizeof(*buf));
3b3f24ad
AJ		 301 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
302 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
303 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
304 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
305 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
306#ifdef _GNU_SOURCE
307 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
308#endif
309 return (0);
310
311#undef COPY_UTSNAME_FIELD
312}
313
314static int sys_getcwd1(char *buf, size_t size)
315{
316 if (getcwd(buf, size) == NULL) {
317 /* getcwd() sets errno */
318 return (-1);
319 }
aaf4ad39 320 return strlen(buf)+1;
3b3f24ad
AJ		 321}
322
3b3f24ad 323#ifdef TARGET_NR_openat
f4c69010 324static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode)
3b3f24ad
AJ		 325{
326 /*
327 * open(2) has extra parameter 'mode' when called with
328 * flag O_CREAT.
329 */
330 if ((flags & O_CREAT) != 0) {
3b3f24ad
AJ		 331 return (openat(dirfd, pathname, flags, mode));
332 }
333 return (openat(dirfd, pathname, flags));
334}
335#endif
ebc996f3 336
1acae9f2 337#ifdef TARGET_NR_utimensat
ebc996f3
RV		 338#ifdef CONFIG_UTIMENSAT
339static int sys_utimensat(int dirfd, const char *pathname,
340 const struct timespec times[2], int flags)
341{
342 if (pathname == NULL)
343 return futimens(dirfd, times);
344 else
345 return utimensat(dirfd, pathname, times, flags);
346}
1acae9f2
PM		 347#elif defined(__NR_utimensat)
348#define __NR_sys_utimensat __NR_utimensat
9007f0ef
TS		 349_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
350 const struct timespec *,tsp,int,flags)
1acae9f2
PM		 351#else
352static int sys_utimensat(int dirfd, const char *pathname,
353 const struct timespec times[2], int flags)
354{
355 errno = ENOSYS;
356 return -1;
357}
9007f0ef 358#endif
1acae9f2 359#endif /* TARGET_NR_utimensat */
3b3f24ad
AJ		 360
361#ifdef CONFIG_INOTIFY
8690e420 362#include <sys/inotify.h>
3b3f24ad 363
39b59763 364#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 365static int sys_inotify_init(void)
366{
367 return (inotify_init());
368}
39b59763
AJ		 369#endif
370#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 371static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
372{
373 return (inotify_add_watch(fd, pathname, mask));
374}
39b59763
AJ		 375#endif
376#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 377static int sys_inotify_rm_watch(int fd, int32_t wd)
378{
8690e420 379 return (inotify_rm_watch(fd, wd));
3b3f24ad 380}
bd0c5661 381#endif
c05c7a73
RV		 382#ifdef CONFIG_INOTIFY1
383#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
384static int sys_inotify_init1(int flags)
385{
386 return (inotify_init1(flags));
387}
388#endif
389#endif
3b3f24ad
AJ		 390#else
391/* Userspace can usually survive runtime without inotify */
392#undef TARGET_NR_inotify_init
c05c7a73 393#undef TARGET_NR_inotify_init1
3b3f24ad
AJ		 394#undef TARGET_NR_inotify_add_watch
395#undef TARGET_NR_inotify_rm_watch
396#endif /* CONFIG_INOTIFY */
397
d8035d4c
MF		 398#if defined(TARGET_NR_ppoll)
399#ifndef __NR_ppoll
400# define __NR_ppoll -1
401#endif
402#define __NR_sys_ppoll __NR_ppoll
403_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
404 struct timespec *, timeout, const __sigset_t *, sigmask,
405 size_t, sigsetsize)
406#endif
66fb9763 407
055e0906
MF		 408#if defined(TARGET_NR_pselect6)
409#ifndef __NR_pselect6
410# define __NR_pselect6 -1
411#endif
412#define __NR_sys_pselect6 __NR_pselect6
413_syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
414 fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
415#endif
416
163a05a8
PM		 417#if defined(TARGET_NR_prlimit64)
418#ifndef __NR_prlimit64
419# define __NR_prlimit64 -1
420#endif
421#define __NR_sys_prlimit64 __NR_prlimit64
422/* The glibc rlimit structure may not be that used by the underlying syscall */
423struct host_rlimit64 {
424 uint64_t rlim_cur;
425 uint64_t rlim_max;
426};
427_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
428 const struct host_rlimit64 *, new_limit,
429 struct host_rlimit64 *, old_limit)
430#endif
431
f4f1e10a
ECL		 432
433#if defined(TARGET_NR_timer_create)
434/* Maxiumum of 32 active POSIX timers allowed at any one time. */
435static timer_t g_posix_timers[32] = { 0, } ;
436
437static inline int next_free_host_timer(void)
438{
439 int k ;
440 /* FIXME: Does finding the next free slot require a lock? */
441 for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) {
442 if (g_posix_timers[k] == 0) {
443 g_posix_timers[k] = (timer_t) 1;
444 return k;
445 }
446 }
447 return -1;
448}
449#endif
450
48e515d4 451/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
4a1def4e 452#ifdef TARGET_ARM
48e515d4
RV		 453static inline int regpairs_aligned(void *cpu_env) {
454 return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
455}
456#elif defined(TARGET_MIPS)
457static inline int regpairs_aligned(void *cpu_env) { return 1; }
4a1def4e
AG		 458#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
459/* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
460 * of registers which translates to the same as ARM/MIPS, because we start with
461 * r3 as arg1 */
462static inline int regpairs_aligned(void *cpu_env) { return 1; }
48e515d4
RV		 463#else
464static inline int regpairs_aligned(void *cpu_env) { return 0; }
465#endif
466
b92c47c1
TS		 467#define ERRNO_TABLE_SIZE 1200
468
469/* target_to_host_errno_table[] is initialized from
470 * host_to_target_errno_table[] in syscall_init(). */
471static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
472};
473
637947f1 474/*
fe8f096b 475 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 476 * minus the errnos that are not actually generic to all archs.
477 */
b92c47c1 478static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 479 [EIDRM] = TARGET_EIDRM,
480 [ECHRNG] = TARGET_ECHRNG,
481 [EL2NSYNC] = TARGET_EL2NSYNC,
482 [EL3HLT] = TARGET_EL3HLT,
483 [EL3RST] = TARGET_EL3RST,
484 [ELNRNG] = TARGET_ELNRNG,
485 [EUNATCH] = TARGET_EUNATCH,
486 [ENOCSI] = TARGET_ENOCSI,
487 [EL2HLT] = TARGET_EL2HLT,
488 [EDEADLK] = TARGET_EDEADLK,
489 [ENOLCK] = TARGET_ENOLCK,
490 [EBADE] = TARGET_EBADE,
491 [EBADR] = TARGET_EBADR,
492 [EXFULL] = TARGET_EXFULL,
493 [ENOANO] = TARGET_ENOANO,
494 [EBADRQC] = TARGET_EBADRQC,
495 [EBADSLT] = TARGET_EBADSLT,
496 [EBFONT] = TARGET_EBFONT,
497 [ENOSTR] = TARGET_ENOSTR,
498 [ENODATA] = TARGET_ENODATA,
499 [ETIME] = TARGET_ETIME,
500 [ENOSR] = TARGET_ENOSR,
501 [ENONET] = TARGET_ENONET,
502 [ENOPKG] = TARGET_ENOPKG,
503 [EREMOTE] = TARGET_EREMOTE,
504 [ENOLINK] = TARGET_ENOLINK,
505 [EADV] = TARGET_EADV,
506 [ESRMNT] = TARGET_ESRMNT,
507 [ECOMM] = TARGET_ECOMM,
508 [EPROTO] = TARGET_EPROTO,
509 [EDOTDOT] = TARGET_EDOTDOT,
510 [EMULTIHOP] = TARGET_EMULTIHOP,
511 [EBADMSG] = TARGET_EBADMSG,
512 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
513 [EOVERFLOW] = TARGET_EOVERFLOW,
514 [ENOTUNIQ] = TARGET_ENOTUNIQ,
515 [EBADFD] = TARGET_EBADFD,
516 [EREMCHG] = TARGET_EREMCHG,
517 [ELIBACC] = TARGET_ELIBACC,
518 [ELIBBAD] = TARGET_ELIBBAD,
519 [ELIBSCN] = TARGET_ELIBSCN,
520 [ELIBMAX] = TARGET_ELIBMAX,
521 [ELIBEXEC] = TARGET_ELIBEXEC,
522 [EILSEQ] = TARGET_EILSEQ,
523 [ENOSYS] = TARGET_ENOSYS,
524 [ELOOP] = TARGET_ELOOP,
525 [ERESTART] = TARGET_ERESTART,
526 [ESTRPIPE] = TARGET_ESTRPIPE,
527 [ENOTEMPTY] = TARGET_ENOTEMPTY,
528 [EUSERS] = TARGET_EUSERS,
529 [ENOTSOCK] = TARGET_ENOTSOCK,
530 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
531 [EMSGSIZE] = TARGET_EMSGSIZE,
532 [EPROTOTYPE] = TARGET_EPROTOTYPE,
533 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
534 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
535 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
536 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
537 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
538 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
539 [EADDRINUSE] = TARGET_EADDRINUSE,
540 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
541 [ENETDOWN] = TARGET_ENETDOWN,
542 [ENETUNREACH] = TARGET_ENETUNREACH,
543 [ENETRESET] = TARGET_ENETRESET,
544 [ECONNABORTED] = TARGET_ECONNABORTED,
545 [ECONNRESET] = TARGET_ECONNRESET,
546 [ENOBUFS] = TARGET_ENOBUFS,
547 [EISCONN] = TARGET_EISCONN,
548 [ENOTCONN] = TARGET_ENOTCONN,
549 [EUCLEAN] = TARGET_EUCLEAN,
550 [ENOTNAM] = TARGET_ENOTNAM,
551 [ENAVAIL] = TARGET_ENAVAIL,
552 [EISNAM] = TARGET_EISNAM,
553 [EREMOTEIO] = TARGET_EREMOTEIO,
554 [ESHUTDOWN] = TARGET_ESHUTDOWN,
555 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
556 [ETIMEDOUT] = TARGET_ETIMEDOUT,
557 [ECONNREFUSED] = TARGET_ECONNREFUSED,
558 [EHOSTDOWN] = TARGET_EHOSTDOWN,
559 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
560 [EALREADY] = TARGET_EALREADY,
561 [EINPROGRESS] = TARGET_EINPROGRESS,
562 [ESTALE] = TARGET_ESTALE,
563 [ECANCELED] = TARGET_ECANCELED,
564 [ENOMEDIUM] = TARGET_ENOMEDIUM,
565 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 566#ifdef ENOKEY
637947f1 567 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 568#endif
569#ifdef EKEYEXPIRED
637947f1 570 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 571#endif
572#ifdef EKEYREVOKED
637947f1 573 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 574#endif
575#ifdef EKEYREJECTED
637947f1 576 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 577#endif
578#ifdef EOWNERDEAD
637947f1 579 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 580#endif
581#ifdef ENOTRECOVERABLE
637947f1 582 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 583#endif
b92c47c1 584};
637947f1
TS		 585
586static inline int host_to_target_errno(int err)
587{
588 if(host_to_target_errno_table[err])
589 return host_to_target_errno_table[err];
590 return err;
591}
592
b92c47c1
TS		 593static inline int target_to_host_errno(int err)
594{
595 if (target_to_host_errno_table[err])
596 return target_to_host_errno_table[err];
597 return err;
598}
599
992f48a0 600static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 601{
602 if (ret == -1)
637947f1 603 return -host_to_target_errno(errno);
31e31b8a
FB		 604 else
605 return ret;
606}
607
992f48a0 608static inline int is_error(abi_long ret)
31e31b8a 609{
992f48a0 610 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 611}
612
b92c47c1
TS		 613char *target_strerror(int err)
614{
962b289e
AG		 615 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
616 return NULL;
617 }
b92c47c1
TS		 618 return strerror(target_to_host_errno(err));
619}
620
992f48a0
BS		 621static abi_ulong target_brk;
622static abi_ulong target_original_brk;
4d1de87c 623static abi_ulong brk_page;
31e31b8a 624
992f48a0 625void target_set_brk(abi_ulong new_brk)
31e31b8a 626{
4c1de73d 627 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
4d1de87c 628 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 629}
630
4d1de87c
CV		 631//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
632#define DEBUGF_BRK(message, args...)
633
0da46a6e 634/* do_brk() must return target values and target errnos. */
992f48a0 635abi_long do_brk(abi_ulong new_brk)
31e31b8a 636{
992f48a0 637 abi_long mapped_addr;
31e31b8a
FB		 638 int new_alloc_size;
639
3a0c6c4a 640 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
4d1de87c
CV		 641
642 if (!new_brk) {
3a0c6c4a 643 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
53a5960a 644 return target_brk;
4d1de87c
CV		 645 }
646 if (new_brk < target_original_brk) {
3a0c6c4a
PB		 647 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
648 target_brk);
7ab240ad 649 return target_brk;
4d1de87c 650 }
3b46e624 651
4d1de87c
CV		 652 /* If the new brk is less than the highest page reserved to the
653 * target heap allocation, set it and we're almost done... */
654 if (new_brk <= brk_page) {
655 /* Heap contents are initialized to zero, as for anonymous
656 * mapped pages. */
657 if (new_brk > target_brk) {
658 memset(g2h(target_brk), 0, new_brk - target_brk);
659 }
31e31b8a 660 target_brk = new_brk;
3a0c6c4a 661 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
53a5960a 662 return target_brk;
31e31b8a
FB		 663 }
664
00faf08c
PM		 665 /* We need to allocate more memory after the brk... Note that
666 * we don't use MAP_FIXED because that will map over the top of
667 * any existing mapping (like the one with the host libc or qemu
668 * itself); instead we treat "mapped but at wrong address" as
669 * a failure and unmap again.
670 */
4d1de87c 671 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
5fafdf24 672 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004 673 PROT_READ|PROT_WRITE,
00faf08c
PM		 674 MAP_ANON|MAP_PRIVATE, 0, 0));
675
676 if (mapped_addr == brk_page) {
70afc343
CV		 677 /* Heap contents are initialized to zero, as for anonymous
678 * mapped pages. Technically the new pages are already
679 * initialized to zero since they *are* anonymous mapped
680 * pages, however we have to take care with the contents that
681 * come from the remaining part of the previous page: it may
682 * contains garbage data due to a previous heap usage (grown
683 * then shrunken). */
684 memset(g2h(target_brk), 0, brk_page - target_brk);
685
00faf08c 686 target_brk = new_brk;
4d1de87c 687 brk_page = HOST_PAGE_ALIGN(target_brk);
3a0c6c4a
PB		 688 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
689 target_brk);
00faf08c
PM		 690 return target_brk;
691 } else if (mapped_addr != -1) {
692 /* Mapped but at wrong address, meaning there wasn't actually
693 * enough space for this brk.
694 */
695 target_munmap(mapped_addr, new_alloc_size);
696 mapped_addr = -1;
3a0c6c4a 697 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
4d1de87c
CV		 698 }
699 else {
3a0c6c4a 700 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
00faf08c 701 }
7ab240ad 702
7dd46c02
RH		 703#if defined(TARGET_ALPHA)
704 /* We (partially) emulate OSF/1 on Alpha, which requires we
705 return a proper errno, not an unchanged brk value. */
00faf08c 706 return -TARGET_ENOMEM;
7dd46c02 707#endif
00faf08c 708 /* For everything else, return the previous break. */
7ab240ad 709 return target_brk;
31e31b8a
FB		 710}
711
26edcf41
TS		 712static inline abi_long copy_from_user_fdset(fd_set *fds,
713 abi_ulong target_fds_addr,
714 int n)
31e31b8a 715{
26edcf41
TS		 716 int i, nw, j, k;
717 abi_ulong b, *target_fds;
718
719 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
720 if (!(target_fds = lock_user(VERIFY_READ,
721 target_fds_addr,
722 sizeof(abi_ulong) * nw,
723 1)))
724 return -TARGET_EFAULT;
725
726 FD_ZERO(fds);
727 k = 0;
728 for (i = 0; i < nw; i++) {
729 /* grab the abi_ulong */
730 __get_user(b, &target_fds[i]);
731 for (j = 0; j < TARGET_ABI_BITS; j++) {
732 /* check the bit inside the abi_ulong */
733 if ((b >> j) & 1)
734 FD_SET(k, fds);
735 k++;
31e31b8a 736 }
31e31b8a 737 }
26edcf41
TS		 738
739 unlock_user(target_fds, target_fds_addr, 0);
740
741 return 0;
31e31b8a
FB		 742}
743
055e0906
MF		 744static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
745 abi_ulong target_fds_addr,
746 int n)
747{
748 if (target_fds_addr) {
749 if (copy_from_user_fdset(fds, target_fds_addr, n))
750 return -TARGET_EFAULT;
751 *fds_ptr = fds;
752 } else {
753 *fds_ptr = NULL;
754 }
755 return 0;
756}
757
26edcf41
TS		 758static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
759 const fd_set *fds,
760 int n)
31e31b8a 761{
31e31b8a 762 int i, nw, j, k;
992f48a0 763 abi_long v;
26edcf41 764 abi_ulong *target_fds;
31e31b8a 765
26edcf41
TS		 766 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
767 if (!(target_fds = lock_user(VERIFY_WRITE,
768 target_fds_addr,
769 sizeof(abi_ulong) * nw,
770 0)))
771 return -TARGET_EFAULT;
772
773 k = 0;
774 for (i = 0; i < nw; i++) {
775 v = 0;
776 for (j = 0; j < TARGET_ABI_BITS; j++) {
9ab709be 777 v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
26edcf41 778 k++;
31e31b8a 779 }
26edcf41 780 __put_user(v, &target_fds[i]);
31e31b8a 781 }
26edcf41
TS		 782
783 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
784
785 return 0;
31e31b8a
FB		 786}
787
c596ed17
FB		 788#if defined(__alpha__)
789#define HOST_HZ 1024
790#else
791#define HOST_HZ 100
792#endif
793
992f48a0 794static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 795{
796#if HOST_HZ == TARGET_HZ
797 return ticks;
798#else
799 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
800#endif
801}
802
579a97f7
FB		 803static inline abi_long host_to_target_rusage(abi_ulong target_addr,
804 const struct rusage *rusage)
b409186b 805{
53a5960a
PB		 806 struct target_rusage *target_rusage;
807
579a97f7
FB		 808 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
809 return -TARGET_EFAULT;
cbb21eed
MB		 810 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
811 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
812 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
813 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
814 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
815 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
816 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
817 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
818 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
819 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
820 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
821 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
822 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
823 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
824 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
825 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
826 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
827 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
53a5960a 828 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 829
830 return 0;
b409186b
FB		 831}
832
cbb21eed 833static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
81bbe906 834{
cbb21eed 835 abi_ulong target_rlim_swap;
95b33b2f
WT		 836 rlim_t result;
837
cbb21eed
MB		 838 target_rlim_swap = tswapal(target_rlim);
839 if (target_rlim_swap == TARGET_RLIM_INFINITY)
840 return RLIM_INFINITY;
841
842 result = target_rlim_swap;
843 if (target_rlim_swap != (rlim_t)result)
844 return RLIM_INFINITY;
95b33b2f
WT		 845
846 return result;
81bbe906
TY		 847}
848
cbb21eed 849static inline abi_ulong host_to_target_rlim(rlim_t rlim)
81bbe906 850{
cbb21eed
MB		 851 abi_ulong target_rlim_swap;
852 abi_ulong result;
95b33b2f 853
cbb21eed 854 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
95b33b2f 855 target_rlim_swap = TARGET_RLIM_INFINITY;
81bbe906 856 else
95b33b2f 857 target_rlim_swap = rlim;
cbb21eed 858 result = tswapal(target_rlim_swap);
95b33b2f
WT		 859
860 return result;
81bbe906
TY		 861}
862
e22b7015
WT		 863static inline int target_to_host_resource(int code)
864{
865 switch (code) {
866 case TARGET_RLIMIT_AS:
867 return RLIMIT_AS;
868 case TARGET_RLIMIT_CORE:
869 return RLIMIT_CORE;
870 case TARGET_RLIMIT_CPU:
871 return RLIMIT_CPU;
872 case TARGET_RLIMIT_DATA:
873 return RLIMIT_DATA;
874 case TARGET_RLIMIT_FSIZE:
875 return RLIMIT_FSIZE;
876 case TARGET_RLIMIT_LOCKS:
877 return RLIMIT_LOCKS;
878 case TARGET_RLIMIT_MEMLOCK:
879 return RLIMIT_MEMLOCK;
880 case TARGET_RLIMIT_MSGQUEUE:
881 return RLIMIT_MSGQUEUE;
882 case TARGET_RLIMIT_NICE:
883 return RLIMIT_NICE;
884 case TARGET_RLIMIT_NOFILE:
885 return RLIMIT_NOFILE;
886 case TARGET_RLIMIT_NPROC:
887 return RLIMIT_NPROC;
888 case TARGET_RLIMIT_RSS:
889 return RLIMIT_RSS;
890 case TARGET_RLIMIT_RTPRIO:
891 return RLIMIT_RTPRIO;
892 case TARGET_RLIMIT_SIGPENDING:
893 return RLIMIT_SIGPENDING;
894 case TARGET_RLIMIT_STACK:
895 return RLIMIT_STACK;
896 default:
897 return code;
898 }
899}
900
788f5ec4
TS		 901static inline abi_long copy_from_user_timeval(struct timeval *tv,
902 abi_ulong target_tv_addr)
31e31b8a 903{
53a5960a
PB		 904 struct target_timeval *target_tv;
905
788f5ec4 906 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 907 return -TARGET_EFAULT;
788f5ec4
TS		 908
909 __get_user(tv->tv_sec, &target_tv->tv_sec);
910 __get_user(tv->tv_usec, &target_tv->tv_usec);
911
912 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 913
914 return 0;
31e31b8a
FB		 915}
916
788f5ec4
TS		 917static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
918 const struct timeval *tv)
31e31b8a 919{
53a5960a
PB		 920 struct target_timeval *target_tv;
921
788f5ec4 922 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 923 return -TARGET_EFAULT;
788f5ec4
TS		 924
925 __put_user(tv->tv_sec, &target_tv->tv_sec);
926 __put_user(tv->tv_usec, &target_tv->tv_usec);
927
928 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 929
930 return 0;
31e31b8a
FB		 931}
932
8ec9cf89
NF		 933#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
934#include <mqueue.h>
935
24e1003a
AJ		 936static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
937 abi_ulong target_mq_attr_addr)
938{
939 struct target_mq_attr *target_mq_attr;
940
941 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
942 target_mq_attr_addr, 1))
943 return -TARGET_EFAULT;
944
945 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
946 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
947 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
948 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
949
950 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
951
952 return 0;
953}
954
955static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
956 const struct mq_attr *attr)
957{
958 struct target_mq_attr *target_mq_attr;
959
960 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
961 target_mq_attr_addr, 0))
962 return -TARGET_EFAULT;
963
964 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
965 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
966 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
967 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
968
969 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
970
971 return 0;
972}
8ec9cf89 973#endif
31e31b8a 974
055e0906 975#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
0da46a6e 976/* do_select() must return target values and target errnos. */
992f48a0 977static abi_long do_select(int n,
26edcf41
TS		 978 abi_ulong rfd_addr, abi_ulong wfd_addr,
979 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 980{
981 fd_set rfds, wfds, efds;
982 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
983 struct timeval tv, *tv_ptr;
992f48a0 984 abi_long ret;
31e31b8a 985
055e0906
MF		 986 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
987 if (ret) {
988 return ret;
53a5960a 989 }
055e0906
MF		 990 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
991 if (ret) {
992 return ret;
53a5960a 993 }
055e0906
MF		 994 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
995 if (ret) {
996 return ret;
53a5960a 997 }
3b46e624 998
26edcf41 999 if (target_tv_addr) {
788f5ec4
TS		 1000 if (copy_from_user_timeval(&tv, target_tv_addr))
1001 return -TARGET_EFAULT;
31e31b8a
FB		 1002 tv_ptr = &tv;
1003 } else {
1004 tv_ptr = NULL;
1005 }
26edcf41 1006
31e31b8a 1007 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 1008
26edcf41
TS		 1009 if (!is_error(ret)) {
1010 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1011 return -TARGET_EFAULT;
1012 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1013 return -TARGET_EFAULT;
1014 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1015 return -TARGET_EFAULT;
31e31b8a 1016
788f5ec4
TS		 1017 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
1018 return -TARGET_EFAULT;
31e31b8a 1019 }
579a97f7 1020
31e31b8a
FB		 1021 return ret;
1022}
055e0906 1023#endif
31e31b8a 1024
099d6b0f
RV		 1025static abi_long do_pipe2(int host_pipe[], int flags)
1026{
1027#ifdef CONFIG_PIPE2
1028 return pipe2(host_pipe, flags);
1029#else
1030 return -ENOSYS;
1031#endif
1032}
1033
fb41a66e
RH		 1034static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1035 int flags, int is_pipe2)
099d6b0f
RV		 1036{
1037 int host_pipe[2];
1038 abi_long ret;
1039 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1040
1041 if (is_error(ret))
1042 return get_errno(ret);
fb41a66e
RH		 1043
1044 /* Several targets have special calling conventions for the original
1045 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1046 if (!is_pipe2) {
1047#if defined(TARGET_ALPHA)
1048 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1049 return host_pipe[0];
1050#elif defined(TARGET_MIPS)
1051 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1052 return host_pipe[0];
1053#elif defined(TARGET_SH4)
597c0212 1054 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
fb41a66e 1055 return host_pipe[0];
82f05b69
PM		 1056#elif defined(TARGET_SPARC)
1057 ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1];
1058 return host_pipe[0];
597c0212 1059#endif
fb41a66e
RH		 1060 }
1061
099d6b0f
RV		 1062 if (put_user_s32(host_pipe[0], pipedes)
1063 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1064 return -TARGET_EFAULT;
099d6b0f
RV		 1065 return get_errno(ret);
1066}
1067
b975b83b
LL		 1068static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1069 abi_ulong target_addr,
1070 socklen_t len)
1071{
1072 struct target_ip_mreqn *target_smreqn;
1073
1074 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1075 if (!target_smreqn)
1076 return -TARGET_EFAULT;
1077 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1078 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1079 if (len == sizeof(struct target_ip_mreqn))
cbb21eed 1080 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
b975b83b
LL		 1081 unlock_user(target_smreqn, target_addr, 0);
1082
1083 return 0;
1084}
1085
579a97f7
FB		 1086static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1087 abi_ulong target_addr,
1088 socklen_t len)
7854b056 1089{
607175e0
AJ		 1090 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1091 sa_family_t sa_family;
53a5960a
PB		 1092 struct target_sockaddr *target_saddr;
1093
579a97f7
FB		 1094 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1095 if (!target_saddr)
1096 return -TARGET_EFAULT;
607175e0
AJ		 1097
1098 sa_family = tswap16(target_saddr->sa_family);
1099
1100 /* Oops. The caller might send a incomplete sun_path; sun_path
1101 * must be terminated by \0 (see the manual page), but
1102 * unfortunately it is quite common to specify sockaddr_un
1103 * length as "strlen(x->sun_path)" while it should be
1104 * "strlen(...) + 1". We'll fix that here if needed.
1105 * Linux kernel has a similar feature.
1106 */
1107
1108 if (sa_family == AF_UNIX) {
1109 if (len < unix_maxlen && len > 0) {
1110 char *cp = (char*)target_saddr;
1111
1112 if ( cp[len-1] && !cp[len] )
1113 len++;
1114 }
1115 if (len > unix_maxlen)
1116 len = unix_maxlen;
1117 }
1118
53a5960a 1119 memcpy(addr, target_saddr, len);
607175e0 1120 addr->sa_family = sa_family;
53a5960a 1121 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1122
1123 return 0;
7854b056
FB		 1124}
1125
579a97f7
FB		 1126static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1127 struct sockaddr *addr,
1128 socklen_t len)
7854b056 1129{
53a5960a
PB		 1130 struct target_sockaddr *target_saddr;
1131
579a97f7
FB		 1132 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1133 if (!target_saddr)
1134 return -TARGET_EFAULT;
53a5960a
PB		 1135 memcpy(target_saddr, addr, len);
1136 target_saddr->sa_family = tswap16(addr->sa_family);
1137 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1138
1139 return 0;
7854b056
FB		 1140}
1141
5a4a898d
FB		 1142static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1143 struct target_msghdr *target_msgh)
7854b056
FB		 1144{
1145 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1146 abi_long msg_controllen;
1147 abi_ulong target_cmsg_addr;
1148 struct target_cmsghdr *target_cmsg;
7854b056 1149 socklen_t space = 0;
5a4a898d 1150
cbb21eed 1151 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1152 if (msg_controllen < sizeof (struct target_cmsghdr))
1153 goto the_end;
cbb21eed 1154 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1155 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1156 if (!target_cmsg)
1157 return -TARGET_EFAULT;
7854b056
FB		 1158
1159 while (cmsg && target_cmsg) {
1160 void *data = CMSG_DATA(cmsg);
1161 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1162
cbb21eed 1163 int len = tswapal(target_cmsg->cmsg_len)
7854b056
FB		 1164 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1165
1166 space += CMSG_SPACE(len);
1167 if (space > msgh->msg_controllen) {
1168 space -= CMSG_SPACE(len);
31febb71 1169 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1170 break;
1171 }
1172
dbf4f796
PJ		 1173 if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
1174 cmsg->cmsg_level = SOL_SOCKET;
1175 } else {
1176 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1177 }
7854b056
FB		 1178 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1179 cmsg->cmsg_len = CMSG_LEN(len);
1180
dbf4f796 1181 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1182 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1183 memcpy(data, target_data, len);
1184 } else {
1185 int *fd = (int *)data;
1186 int *target_fd = (int *)target_data;
1187 int i, numfds = len / sizeof(int);
1188
1189 for (i = 0; i < numfds; i++)
1190 fd[i] = tswap32(target_fd[i]);
1191 }
1192
1193 cmsg = CMSG_NXTHDR(msgh, cmsg);
1194 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1195 }
5a4a898d
FB		 1196 unlock_user(target_cmsg, target_cmsg_addr, 0);
1197 the_end:
7854b056 1198 msgh->msg_controllen = space;
5a4a898d 1199 return 0;
7854b056
FB		 1200}
1201
5a4a898d
FB		 1202static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1203 struct msghdr *msgh)
7854b056
FB		 1204{
1205 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1206 abi_long msg_controllen;
1207 abi_ulong target_cmsg_addr;
1208 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1209 socklen_t space = 0;
1210
cbb21eed 1211 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1212 if (msg_controllen < sizeof (struct target_cmsghdr))
1213 goto the_end;
cbb21eed 1214 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1215 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1216 if (!target_cmsg)
1217 return -TARGET_EFAULT;
1218
7854b056
FB		 1219 while (cmsg && target_cmsg) {
1220 void *data = CMSG_DATA(cmsg);
1221 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1222
1223 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1224
1225 space += TARGET_CMSG_SPACE(len);
5a4a898d 1226 if (space > msg_controllen) {
7854b056 1227 space -= TARGET_CMSG_SPACE(len);
31febb71 1228 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1229 break;
1230 }
1231
dbf4f796
PJ		 1232 if (cmsg->cmsg_level == SOL_SOCKET) {
1233 target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
1234 } else {
1235 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1236 }
7854b056 1237 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
cbb21eed 1238 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
7854b056 1239
dbf4f796 1240 if ((cmsg->cmsg_level == SOL_SOCKET) &&
aebf5bc7 1241 (cmsg->cmsg_type == SCM_RIGHTS)) {
7854b056
FB		 1242 int *fd = (int *)data;
1243 int *target_fd = (int *)target_data;
1244 int i, numfds = len / sizeof(int);
1245
1246 for (i = 0; i < numfds; i++)
1247 target_fd[i] = tswap32(fd[i]);
dbf4f796 1248 } else if ((cmsg->cmsg_level == SOL_SOCKET) &&
aebf5bc7
JH		 1249 (cmsg->cmsg_type == SO_TIMESTAMP) &&
1250 (len == sizeof(struct timeval))) {
1251 /* copy struct timeval to target */
1252 struct timeval *tv = (struct timeval *)data;
1253 struct target_timeval *target_tv =
1254 (struct target_timeval *)target_data;
1255
1256 target_tv->tv_sec = tswapal(tv->tv_sec);
1257 target_tv->tv_usec = tswapal(tv->tv_usec);
1258 } else {
1259 gemu_log("Unsupported ancillary data: %d/%d\n",
1260 cmsg->cmsg_level, cmsg->cmsg_type);
1261 memcpy(target_data, data, len);
7854b056
FB		 1262 }
1263
1264 cmsg = CMSG_NXTHDR(msgh, cmsg);
1265 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1266 }
5a4a898d
FB		 1267 unlock_user(target_cmsg, target_cmsg_addr, space);
1268 the_end:
cbb21eed 1269 target_msgh->msg_controllen = tswapal(space);
5a4a898d 1270 return 0;
7854b056
FB		 1271}
1272
0da46a6e 1273/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1274static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1275 abi_ulong optval_addr, socklen_t optlen)
7854b056 1276{
992f48a0 1277 abi_long ret;
32407103 1278 int val;
b975b83b 1279 struct ip_mreqn *ip_mreq;
6e3cb58f 1280 struct ip_mreq_source *ip_mreq_source;
3b46e624 1281
8853f86e
FB		 1282 switch(level) {
1283 case SOL_TCP:
7854b056 1284 /* TCP options all take an 'int' value. */
7854b056 1285 if (optlen < sizeof(uint32_t))
0da46a6e 1286 return -TARGET_EINVAL;
3b46e624 1287
2f619698
FB		 1288 if (get_user_u32(val, optval_addr))
1289 return -TARGET_EFAULT;
8853f86e
FB		 1290 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1291 break;
1292 case SOL_IP:
1293 switch(optname) {
2efbe911
FB		 1294 case IP_TOS:
1295 case IP_TTL:
8853f86e 1296 case IP_HDRINCL:
2efbe911
FB		 1297 case IP_ROUTER_ALERT:
1298 case IP_RECVOPTS:
1299 case IP_RETOPTS:
1300 case IP_PKTINFO:
1301 case IP_MTU_DISCOVER:
1302 case IP_RECVERR:
1303 case IP_RECVTOS:
1304#ifdef IP_FREEBIND
1305 case IP_FREEBIND:
1306#endif
1307 case IP_MULTICAST_TTL:
1308 case IP_MULTICAST_LOOP:
8853f86e
FB		 1309 val = 0;
1310 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1311 if (get_user_u32(val, optval_addr))
1312 return -TARGET_EFAULT;
8853f86e 1313 } else if (optlen >= 1) {
2f619698
FB		 1314 if (get_user_u8(val, optval_addr))
1315 return -TARGET_EFAULT;
8853f86e
FB		 1316 }
1317 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1318 break;
b975b83b
LL		 1319 case IP_ADD_MEMBERSHIP:
1320 case IP_DROP_MEMBERSHIP:
1321 if (optlen < sizeof (struct target_ip_mreq) ||
1322 optlen > sizeof (struct target_ip_mreqn))
1323 return -TARGET_EINVAL;
1324
1325 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1326 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1327 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1328 break;
1329
6e3cb58f
LL		 1330 case IP_BLOCK_SOURCE:
1331 case IP_UNBLOCK_SOURCE:
1332 case IP_ADD_SOURCE_MEMBERSHIP:
1333 case IP_DROP_SOURCE_MEMBERSHIP:
1334 if (optlen != sizeof (struct target_ip_mreq_source))
1335 return -TARGET_EINVAL;
1336
1337 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1338 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1339 unlock_user (ip_mreq_source, optval_addr, 0);
1340 break;
1341
920394db
JH		 1342 default:
1343 goto unimplemented;
1344 }
1345 break;
0d78b3b5
LV		 1346 case SOL_IPV6:
1347 switch (optname) {
1348 case IPV6_MTU_DISCOVER:
1349 case IPV6_MTU:
1350 case IPV6_V6ONLY:
1351 case IPV6_RECVPKTINFO:
1352 val = 0;
1353 if (optlen < sizeof(uint32_t)) {
1354 return -TARGET_EINVAL;
1355 }
1356 if (get_user_u32(val, optval_addr)) {
1357 return -TARGET_EFAULT;
1358 }
1359 ret = get_errno(setsockopt(sockfd, level, optname,
1360 &val, sizeof(val)));
1361 break;
1362 default:
1363 goto unimplemented;
1364 }
1365 break;
920394db
JH		 1366 case SOL_RAW:
1367 switch (optname) {
1368 case ICMP_FILTER:
1369 /* struct icmp_filter takes an u32 value */
1370 if (optlen < sizeof(uint32_t)) {
1371 return -TARGET_EINVAL;
1372 }
1373
1374 if (get_user_u32(val, optval_addr)) {
1375 return -TARGET_EFAULT;
1376 }
1377 ret = get_errno(setsockopt(sockfd, level, optname,
1378 &val, sizeof(val)));
1379 break;
1380
8853f86e
FB		 1381 default:
1382 goto unimplemented;
1383 }
1384 break;
3532fa74 1385 case TARGET_SOL_SOCKET:
8853f86e 1386 switch (optname) {
1b09aeb9
LV		 1387 case TARGET_SO_RCVTIMEO:
1388 {
1389 struct timeval tv;
1390
1391 optname = SO_RCVTIMEO;
1392
1393set_timeout:
1394 if (optlen != sizeof(struct target_timeval)) {
1395 return -TARGET_EINVAL;
1396 }
1397
1398 if (copy_from_user_timeval(&tv, optval_addr)) {
1399 return -TARGET_EFAULT;
1400 }
1401
1402 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
1403 &tv, sizeof(tv)));
1404 return ret;
1405 }
1406 case TARGET_SO_SNDTIMEO:
1407 optname = SO_SNDTIMEO;
1408 goto set_timeout;
f57d4192
LV		 1409 case TARGET_SO_ATTACH_FILTER:
1410 {
1411 struct target_sock_fprog *tfprog;
1412 struct target_sock_filter *tfilter;
1413 struct sock_fprog fprog;
1414 struct sock_filter *filter;
1415 int i;
1416
1417 if (optlen != sizeof(*tfprog)) {
1418 return -TARGET_EINVAL;
1419 }
1420 if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
1421 return -TARGET_EFAULT;
1422 }
1423 if (!lock_user_struct(VERIFY_READ, tfilter,
1424 tswapal(tfprog->filter), 0)) {
1425 unlock_user_struct(tfprog, optval_addr, 1);
1426 return -TARGET_EFAULT;
1427 }
1428
1429 fprog.len = tswap16(tfprog->len);
1430 filter = malloc(fprog.len * sizeof(*filter));
1431 if (filter == NULL) {
1432 unlock_user_struct(tfilter, tfprog->filter, 1);
1433 unlock_user_struct(tfprog, optval_addr, 1);
1434 return -TARGET_ENOMEM;
1435 }
1436 for (i = 0; i < fprog.len; i++) {
1437 filter[i].code = tswap16(tfilter[i].code);
1438 filter[i].jt = tfilter[i].jt;
1439 filter[i].jf = tfilter[i].jf;
1440 filter[i].k = tswap32(tfilter[i].k);
1441 }
1442 fprog.filter = filter;
1443
1444 ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
1445 SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
1446 free(filter);
1447
1448 unlock_user_struct(tfilter, tfprog->filter, 1);
1449 unlock_user_struct(tfprog, optval_addr, 1);
1450 return ret;
1451 }
8853f86e 1452 /* Options with 'int' argument. */
3532fa74
FB		 1453 case TARGET_SO_DEBUG:
1454 optname = SO_DEBUG;
1455 break;
1456 case TARGET_SO_REUSEADDR:
1457 optname = SO_REUSEADDR;
1458 break;
1459 case TARGET_SO_TYPE:
1460 optname = SO_TYPE;
1461 break;
1462 case TARGET_SO_ERROR:
1463 optname = SO_ERROR;
1464 break;
1465 case TARGET_SO_DONTROUTE:
1466 optname = SO_DONTROUTE;
1467 break;
1468 case TARGET_SO_BROADCAST:
1469 optname = SO_BROADCAST;
1470 break;
1471 case TARGET_SO_SNDBUF:
1472 optname = SO_SNDBUF;
1473 break;
1474 case TARGET_SO_RCVBUF:
1475 optname = SO_RCVBUF;
1476 break;
1477 case TARGET_SO_KEEPALIVE:
1478 optname = SO_KEEPALIVE;
1479 break;
1480 case TARGET_SO_OOBINLINE:
1481 optname = SO_OOBINLINE;
1482 break;
1483 case TARGET_SO_NO_CHECK:
1484 optname = SO_NO_CHECK;
1485 break;
1486 case TARGET_SO_PRIORITY:
1487 optname = SO_PRIORITY;
1488 break;
5e83e8e3 1489#ifdef SO_BSDCOMPAT
3532fa74
FB		 1490 case TARGET_SO_BSDCOMPAT:
1491 optname = SO_BSDCOMPAT;
1492 break;
5e83e8e3 1493#endif
3532fa74
FB		 1494 case TARGET_SO_PASSCRED:
1495 optname = SO_PASSCRED;
1496 break;
1497 case TARGET_SO_TIMESTAMP:
1498 optname = SO_TIMESTAMP;
1499 break;
1500 case TARGET_SO_RCVLOWAT:
1501 optname = SO_RCVLOWAT;
1502 break;
8853f86e
FB		 1503 break;
1504 default:
1505 goto unimplemented;
1506 }
3532fa74 1507 if (optlen < sizeof(uint32_t))
2f619698 1508 return -TARGET_EINVAL;
3532fa74 1509
2f619698
FB		 1510 if (get_user_u32(val, optval_addr))
1511 return -TARGET_EFAULT;
3532fa74 1512 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1513 break;
7854b056 1514 default:
8853f86e 1515 unimplemented:
b2bedb21 1516 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
6fa13c17 1517 ret = -TARGET_ENOPROTOOPT;
7854b056 1518 }
8853f86e 1519 return ret;
7854b056
FB		 1520}
1521
0da46a6e 1522/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1523static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1524 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1525{
992f48a0 1526 abi_long ret;
b55266b5
BS		 1527 int len, val;
1528 socklen_t lv;
8853f86e
FB		 1529
1530 switch(level) {
3532fa74 1531 case TARGET_SOL_SOCKET:
f3b974cd
JL		 1532 level = SOL_SOCKET;
1533 switch (optname) {
1534 /* These don't just return a single integer */
1535 case TARGET_SO_LINGER:
1536 case TARGET_SO_RCVTIMEO:
1537 case TARGET_SO_SNDTIMEO:
f3b974cd
JL		 1538 case TARGET_SO_PEERNAME:
1539 goto unimplemented;
583359a6
AP		 1540 case TARGET_SO_PEERCRED: {
1541 struct ucred cr;
1542 socklen_t crlen;
1543 struct target_ucred *tcr;
1544
1545 if (get_user_u32(len, optlen)) {
1546 return -TARGET_EFAULT;
1547 }
1548 if (len < 0) {
1549 return -TARGET_EINVAL;
1550 }
1551
1552 crlen = sizeof(cr);
1553 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
1554 &cr, &crlen));
1555 if (ret < 0) {
1556 return ret;
1557 }
1558 if (len > crlen) {
1559 len = crlen;
1560 }
1561 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
1562 return -TARGET_EFAULT;
1563 }
1564 __put_user(cr.pid, &tcr->pid);
1565 __put_user(cr.uid, &tcr->uid);
1566 __put_user(cr.gid, &tcr->gid);
1567 unlock_user_struct(tcr, optval_addr, 1);
1568 if (put_user_u32(len, optlen)) {
1569 return -TARGET_EFAULT;
1570 }
1571 break;
1572 }
f3b974cd
JL		 1573 /* Options with 'int' argument. */
1574 case TARGET_SO_DEBUG:
1575 optname = SO_DEBUG;
1576 goto int_case;
1577 case TARGET_SO_REUSEADDR:
1578 optname = SO_REUSEADDR;
1579 goto int_case;
1580 case TARGET_SO_TYPE:
1581 optname = SO_TYPE;
1582 goto int_case;
1583 case TARGET_SO_ERROR:
1584 optname = SO_ERROR;
1585 goto int_case;
1586 case TARGET_SO_DONTROUTE:
1587 optname = SO_DONTROUTE;
1588 goto int_case;
1589 case TARGET_SO_BROADCAST:
1590 optname = SO_BROADCAST;
1591 goto int_case;
1592 case TARGET_SO_SNDBUF:
1593 optname = SO_SNDBUF;
1594 goto int_case;
1595 case TARGET_SO_RCVBUF:
1596 optname = SO_RCVBUF;
1597 goto int_case;
1598 case TARGET_SO_KEEPALIVE:
1599 optname = SO_KEEPALIVE;
1600 goto int_case;
1601 case TARGET_SO_OOBINLINE:
1602 optname = SO_OOBINLINE;
1603 goto int_case;
1604 case TARGET_SO_NO_CHECK:
1605 optname = SO_NO_CHECK;
1606 goto int_case;
1607 case TARGET_SO_PRIORITY:
1608 optname = SO_PRIORITY;
1609 goto int_case;
1610#ifdef SO_BSDCOMPAT
1611 case TARGET_SO_BSDCOMPAT:
1612 optname = SO_BSDCOMPAT;
1613 goto int_case;
1614#endif
1615 case TARGET_SO_PASSCRED:
1616 optname = SO_PASSCRED;
1617 goto int_case;
1618 case TARGET_SO_TIMESTAMP:
1619 optname = SO_TIMESTAMP;
1620 goto int_case;
1621 case TARGET_SO_RCVLOWAT:
1622 optname = SO_RCVLOWAT;
1623 goto int_case;
8853f86e 1624 default:
2efbe911
FB		 1625 goto int_case;
1626 }
1627 break;
1628 case SOL_TCP:
1629 /* TCP options all take an 'int' value. */
1630 int_case:
2f619698
FB		 1631 if (get_user_u32(len, optlen))
1632 return -TARGET_EFAULT;
2efbe911 1633 if (len < 0)
0da46a6e 1634 return -TARGET_EINVAL;
73160d95 1635 lv = sizeof(lv);
2efbe911
FB		 1636 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1637 if (ret < 0)
1638 return ret;
2efbe911
FB		 1639 if (len > lv)
1640 len = lv;
2f619698
FB		 1641 if (len == 4) {
1642 if (put_user_u32(val, optval_addr))
1643 return -TARGET_EFAULT;
1644 } else {
1645 if (put_user_u8(val, optval_addr))
1646 return -TARGET_EFAULT;
f3b974cd 1647 }
2f619698
FB		 1648 if (put_user_u32(len, optlen))
1649 return -TARGET_EFAULT;
2efbe911
FB		 1650 break;
1651 case SOL_IP:
1652 switch(optname) {
1653 case IP_TOS:
1654 case IP_TTL:
1655 case IP_HDRINCL:
1656 case IP_ROUTER_ALERT:
1657 case IP_RECVOPTS:
1658 case IP_RETOPTS:
1659 case IP_PKTINFO:
1660 case IP_MTU_DISCOVER:
1661 case IP_RECVERR:
1662 case IP_RECVTOS:
1663#ifdef IP_FREEBIND
1664 case IP_FREEBIND:
1665#endif
1666 case IP_MULTICAST_TTL:
1667 case IP_MULTICAST_LOOP:
2f619698
FB		 1668 if (get_user_u32(len, optlen))
1669 return -TARGET_EFAULT;
8853f86e 1670 if (len < 0)
0da46a6e 1671 return -TARGET_EINVAL;
73160d95 1672 lv = sizeof(lv);
8853f86e
FB		 1673 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1674 if (ret < 0)
1675 return ret;
2efbe911 1676 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1677 len = 1;
2f619698
FB		 1678 if (put_user_u32(len, optlen)
1679 || put_user_u8(val, optval_addr))
1680 return -TARGET_EFAULT;
2efbe911 1681 } else {
2efbe911
FB		 1682 if (len > sizeof(int))
1683 len = sizeof(int);
2f619698
FB		 1684 if (put_user_u32(len, optlen)
1685 || put_user_u32(val, optval_addr))
1686 return -TARGET_EFAULT;
2efbe911 1687 }
8853f86e 1688 break;
2efbe911 1689 default:
c02f499e
TS		 1690 ret = -TARGET_ENOPROTOOPT;
1691 break;
8853f86e
FB		 1692 }
1693 break;
1694 default:
1695 unimplemented:
1696 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1697 level, optname);
c02f499e 1698 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1699 break;
1700 }
1701 return ret;
7854b056
FB		 1702}
1703
f287b2c2
RH		 1704static struct iovec *lock_iovec(int type, abi_ulong target_addr,
1705 int count, int copy)
53a5960a
PB		 1706{
1707 struct target_iovec *target_vec;
f287b2c2
RH		 1708 struct iovec *vec;
1709 abi_ulong total_len, max_len;
d732dcb4 1710 int i;
501bb4b0 1711 int err = 0;
53a5960a 1712
f287b2c2
RH		 1713 if (count == 0) {
1714 errno = 0;
1715 return NULL;
1716 }
dfae8e00 1717 if (count < 0 || count > IOV_MAX) {
f287b2c2
RH		 1718 errno = EINVAL;
1719 return NULL;
1720 }
1721
1722 vec = calloc(count, sizeof(struct iovec));
1723 if (vec == NULL) {
1724 errno = ENOMEM;
1725 return NULL;
1726 }
1727
1728 target_vec = lock_user(VERIFY_READ, target_addr,
1729 count * sizeof(struct target_iovec), 1);
1730 if (target_vec == NULL) {
501bb4b0 1731 err = EFAULT;
f287b2c2
RH		 1732 goto fail2;
1733 }
1734
1735 /* ??? If host page size > target page size, this will result in a
1736 value larger than what we can actually support. */
1737 max_len = 0x7fffffff & TARGET_PAGE_MASK;
1738 total_len = 0;
1739
1740 for (i = 0; i < count; i++) {
1741 abi_ulong base = tswapal(target_vec[i].iov_base);
1742 abi_long len = tswapal(target_vec[i].iov_len);
1743
1744 if (len < 0) {
501bb4b0 1745 err = EINVAL;
f287b2c2
RH		 1746 goto fail;
1747 } else if (len == 0) {
1748 /* Zero length pointer is ignored. */
1749 vec[i].iov_base = 0;
41df8411 1750 } else {
f287b2c2
RH		 1751 vec[i].iov_base = lock_user(type, base, len, copy);
1752 if (!vec[i].iov_base) {
501bb4b0 1753 err = EFAULT;
f287b2c2
RH		 1754 goto fail;
1755 }
1756 if (len > max_len - total_len) {
1757 len = max_len - total_len;
1758 }
41df8411 1759 }
f287b2c2
RH		 1760 vec[i].iov_len = len;
1761 total_len += len;
579a97f7 1762 }
f287b2c2
RH		 1763
1764 unlock_user(target_vec, target_addr, 0);
1765 return vec;
1766
1767 fail:
f287b2c2 1768 unlock_user(target_vec, target_addr, 0);
501bb4b0
PM		 1769 fail2:
1770 free(vec);
1771 errno = err;
f287b2c2 1772 return NULL;
53a5960a
PB		 1773}
1774
f287b2c2
RH		 1775static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1776 int count, int copy)
53a5960a
PB		 1777{
1778 struct target_iovec *target_vec;
53a5960a
PB		 1779 int i;
1780
f287b2c2
RH		 1781 target_vec = lock_user(VERIFY_READ, target_addr,
1782 count * sizeof(struct target_iovec), 1);
1783 if (target_vec) {
1784 for (i = 0; i < count; i++) {
1785 abi_ulong base = tswapal(target_vec[i].iov_base);
1786 abi_long len = tswapal(target_vec[i].iov_base);
1787 if (len < 0) {
1788 break;
1789 }
d732dcb4
AZ		 1790 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1791 }
f287b2c2 1792 unlock_user(target_vec, target_addr, 0);
53a5960a 1793 }
579a97f7 1794
f287b2c2 1795 free(vec);
53a5960a
PB		 1796}
1797
53d09b76 1798static inline int target_to_host_sock_type(int *type)
3532fa74 1799{
f651e6ae
PJ		 1800 int host_type = 0;
1801 int target_type = *type;
1802
1803 switch (target_type & TARGET_SOCK_TYPE_MASK) {
3532fa74 1804 case TARGET_SOCK_DGRAM:
f651e6ae 1805 host_type = SOCK_DGRAM;
3532fa74
FB		 1806 break;
1807 case TARGET_SOCK_STREAM:
f651e6ae 1808 host_type = SOCK_STREAM;
3532fa74 1809 break;
f651e6ae
PJ		 1810 default:
1811 host_type = target_type & TARGET_SOCK_TYPE_MASK;
3532fa74
FB		 1812 break;
1813 }
f651e6ae 1814 if (target_type & TARGET_SOCK_CLOEXEC) {
53d09b76 1815#if defined(SOCK_CLOEXEC)
f651e6ae 1816 host_type |= SOCK_CLOEXEC;
53d09b76
EI		 1817#else
1818 return -TARGET_EINVAL;
1819#endif
f651e6ae
PJ		 1820 }
1821 if (target_type & TARGET_SOCK_NONBLOCK) {
53d09b76 1822#if defined(SOCK_NONBLOCK)
f651e6ae 1823 host_type |= SOCK_NONBLOCK;
53d09b76
EI		 1824#elif !defined(O_NONBLOCK)
1825 return -TARGET_EINVAL;
1826#endif
f651e6ae
PJ		 1827 }
1828 *type = host_type;
53d09b76
EI		 1829 return 0;
1830}
1831
1832/* Try to emulate socket type flags after socket creation. */
1833static int sock_flags_fixup(int fd, int target_type)
1834{
1835#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
1836 if (target_type & TARGET_SOCK_NONBLOCK) {
1837 int flags = fcntl(fd, F_GETFL);
1838 if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
1839 close(fd);
1840 return -TARGET_EINVAL;
1841 }
1842 }
1843#endif
1844 return fd;
f651e6ae
PJ		 1845}
1846
1847/* do_socket() Must return target values and target errnos. */
1848static abi_long do_socket(int domain, int type, int protocol)
1849{
53d09b76
EI		 1850 int target_type = type;
1851 int ret;
1852
1853 ret = target_to_host_sock_type(&type);
1854 if (ret) {
1855 return ret;
1856 }
f651e6ae 1857
12bc92ab
AZ		 1858 if (domain == PF_NETLINK)
1859 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
53d09b76
EI		 1860 ret = get_errno(socket(domain, type, protocol));
1861 if (ret >= 0) {
1862 ret = sock_flags_fixup(ret, target_type);
1863 }
1864 return ret;
3532fa74
FB		 1865}
1866
0da46a6e 1867/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1868static abi_long do_bind(int sockfd, abi_ulong target_addr,
1869 socklen_t addrlen)
3532fa74 1870{
8f7aeaf6 1871 void *addr;
917507b0 1872 abi_long ret;
8f7aeaf6 1873
38724253 1874 if ((int)addrlen < 0) {
8f7aeaf6 1875 return -TARGET_EINVAL;
38724253 1876 }
8f7aeaf6 1877
607175e0 1878 addr = alloca(addrlen+1);
3b46e624 1879
917507b0
AP		 1880 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1881 if (ret)
1882 return ret;
1883
3532fa74
FB		 1884 return get_errno(bind(sockfd, addr, addrlen));
1885}
1886
0da46a6e 1887/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1888static abi_long do_connect(int sockfd, abi_ulong target_addr,
1889 socklen_t addrlen)
3532fa74 1890{
8f7aeaf6 1891 void *addr;
917507b0 1892 abi_long ret;
8f7aeaf6 1893
38724253 1894 if ((int)addrlen < 0) {
8f7aeaf6 1895 return -TARGET_EINVAL;
38724253 1896 }
8f7aeaf6
AJ		 1897
1898 addr = alloca(addrlen);
3b46e624 1899
917507b0
AP		 1900 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1901 if (ret)
1902 return ret;
1903
3532fa74
FB		 1904 return get_errno(connect(sockfd, addr, addrlen));
1905}
1906
f19e00d7
AG		 1907/* do_sendrecvmsg_locked() Must return target values and target errnos. */
1908static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
1909 int flags, int send)
3532fa74 1910{
6de645c7 1911 abi_long ret, len;
3532fa74
FB		 1912 struct msghdr msg;
1913 int count;
1914 struct iovec *vec;
992f48a0 1915 abi_ulong target_vec;
3532fa74 1916
3532fa74
FB		 1917 if (msgp->msg_name) {
1918 msg.msg_namelen = tswap32(msgp->msg_namelen);
1919 msg.msg_name = alloca(msg.msg_namelen);
cbb21eed 1920 ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
3532fa74 1921 msg.msg_namelen);
917507b0 1922 if (ret) {
f287b2c2 1923 goto out2;
917507b0 1924 }
3532fa74
FB		 1925 } else {
1926 msg.msg_name = NULL;
1927 msg.msg_namelen = 0;
1928 }
cbb21eed 1929 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3532fa74
FB		 1930 msg.msg_control = alloca(msg.msg_controllen);
1931 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1932
cbb21eed 1933 count = tswapal(msgp->msg_iovlen);
cbb21eed 1934 target_vec = tswapal(msgp->msg_iov);
f287b2c2
RH		 1935 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
1936 target_vec, count, send);
1937 if (vec == NULL) {
1938 ret = -host_to_target_errno(errno);
1939 goto out2;
1940 }
3532fa74
FB		 1941 msg.msg_iovlen = count;
1942 msg.msg_iov = vec;
3b46e624 1943
3532fa74 1944 if (send) {
5a4a898d
FB		 1945 ret = target_to_host_cmsg(&msg, msgp);
1946 if (ret == 0)
1947 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1948 } else {
1949 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1950 if (!is_error(ret)) {
1951 len = ret;
5a4a898d 1952 ret = host_to_target_cmsg(msgp, &msg);
ca619067
JH		 1953 if (!is_error(ret)) {
1954 msgp->msg_namelen = tswap32(msg.msg_namelen);
1955 if (msg.msg_name != NULL) {
1956 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
1957 msg.msg_name, msg.msg_namelen);
1958 if (ret) {
1959 goto out;
1960 }
1961 }
1962
6de645c7 1963 ret = len;
ca619067 1964 }
6de645c7 1965 }
3532fa74 1966 }
ca619067
JH		 1967
1968out:
3532fa74 1969 unlock_iovec(vec, target_vec, count, !send);
f287b2c2 1970out2:
f19e00d7
AG		 1971 return ret;
1972}
1973
1974static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1975 int flags, int send)
1976{
1977 abi_long ret;
1978 struct target_msghdr *msgp;
1979
1980 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1981 msgp,
1982 target_msg,
1983 send ? 1 : 0)) {
1984 return -TARGET_EFAULT;
1985 }
1986 ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
579a97f7 1987 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1988 return ret;
1989}
1990
f19e00d7
AG		 1991#ifdef TARGET_NR_sendmmsg
1992/* We don't rely on the C library to have sendmmsg/recvmmsg support,
1993 * so it might not have this *mmsg-specific flag either.
1994 */
1995#ifndef MSG_WAITFORONE
1996#define MSG_WAITFORONE 0x10000
1997#endif
1998
1999static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
2000 unsigned int vlen, unsigned int flags,
2001 int send)
2002{
2003 struct target_mmsghdr *mmsgp;
2004 abi_long ret = 0;
2005 int i;
2006
2007 if (vlen > UIO_MAXIOV) {
2008 vlen = UIO_MAXIOV;
2009 }
2010
2011 mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1);
2012 if (!mmsgp) {
2013 return -TARGET_EFAULT;
2014 }
2015
2016 for (i = 0; i < vlen; i++) {
2017 ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send);
2018 if (is_error(ret)) {
2019 break;
2020 }
2021 mmsgp[i].msg_len = tswap32(ret);
2022 /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
2023 if (flags & MSG_WAITFORONE) {
2024 flags |= MSG_DONTWAIT;
2025 }
2026 }
2027
2028 unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
2029
2030 /* Return number of datagrams sent if we sent any at all;
2031 * otherwise return the error.
2032 */
2033 if (i) {
2034 return i;
2035 }
2036 return ret;
2037}
2038#endif
2039
a94b4987
PM		 2040/* If we don't have a system accept4() then just call accept.
2041 * The callsites to do_accept4() will ensure that they don't
2042 * pass a non-zero flags argument in this config.
2043 */
2044#ifndef CONFIG_ACCEPT4
2045static inline int accept4(int sockfd, struct sockaddr *addr,
2046 socklen_t *addrlen, int flags)
2047{
2048 assert(flags == 0);
2049 return accept(sockfd, addr, addrlen);
2050}
2051#endif
2052
2053/* do_accept4() Must return target values and target errnos. */
2054static abi_long do_accept4(int fd, abi_ulong target_addr,
2055 abi_ulong target_addrlen_addr, int flags)
1be9e1dc 2056{
2f619698
FB		 2057 socklen_t addrlen;
2058 void *addr;
992f48a0 2059 abi_long ret;
1be9e1dc 2060
a94b4987
PM		 2061 if (target_addr == 0) {
2062 return get_errno(accept4(fd, NULL, NULL, flags));
2063 }
917507b0
AP		 2064
2065 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 2066 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 2067 return -TARGET_EINVAL;
2f619698 2068
38724253 2069 if ((int)addrlen < 0) {
8f7aeaf6 2070 return -TARGET_EINVAL;
38724253 2071 }
8f7aeaf6 2072
917507b0
AP		 2073 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2074 return -TARGET_EINVAL;
2075
2f619698
FB		 2076 addr = alloca(addrlen);
2077
a94b4987 2078 ret = get_errno(accept4(fd, addr, &addrlen, flags));
1be9e1dc
PB		 2079 if (!is_error(ret)) {
2080 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2081 if (put_user_u32(addrlen, target_addrlen_addr))
2082 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2083 }
2084 return ret;
2085}
2086
0da46a6e 2087/* do_getpeername() Must return target values and target errnos. */
992f48a0 2088static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 2089 abi_ulong target_addrlen_addr)
1be9e1dc 2090{
2f619698
FB		 2091 socklen_t addrlen;
2092 void *addr;
992f48a0 2093 abi_long ret;
1be9e1dc 2094
2f619698
FB		 2095 if (get_user_u32(addrlen, target_addrlen_addr))
2096 return -TARGET_EFAULT;
2097
38724253 2098 if ((int)addrlen < 0) {
8f7aeaf6 2099 return -TARGET_EINVAL;
38724253 2100 }
8f7aeaf6 2101
917507b0
AP		 2102 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2103 return -TARGET_EFAULT;
2104
2f619698
FB		 2105 addr = alloca(addrlen);
2106
1be9e1dc
PB		 2107 ret = get_errno(getpeername(fd, addr, &addrlen));
2108 if (!is_error(ret)) {
2109 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2110 if (put_user_u32(addrlen, target_addrlen_addr))
2111 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2112 }
2113 return ret;
2114}
2115
0da46a6e 2116/* do_getsockname() Must return target values and target errnos. */
992f48a0 2117static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 2118 abi_ulong target_addrlen_addr)
1be9e1dc 2119{
2f619698
FB		 2120 socklen_t addrlen;
2121 void *addr;
992f48a0 2122 abi_long ret;
1be9e1dc 2123
2f619698
FB		 2124 if (get_user_u32(addrlen, target_addrlen_addr))
2125 return -TARGET_EFAULT;
2126
38724253 2127 if ((int)addrlen < 0) {
8f7aeaf6 2128 return -TARGET_EINVAL;
38724253 2129 }
8f7aeaf6 2130
917507b0
AP		 2131 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2132 return -TARGET_EFAULT;
2133
2f619698
FB		 2134 addr = alloca(addrlen);
2135
1be9e1dc
PB		 2136 ret = get_errno(getsockname(fd, addr, &addrlen));
2137 if (!is_error(ret)) {
2138 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2139 if (put_user_u32(addrlen, target_addrlen_addr))
2140 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2141 }
2142 return ret;
2143}
2144
0da46a6e 2145/* do_socketpair() Must return target values and target errnos. */
992f48a0 2146static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 2147 abi_ulong target_tab_addr)
1be9e1dc
PB		 2148{
2149 int tab[2];
992f48a0 2150 abi_long ret;
1be9e1dc 2151
f651e6ae
PJ		 2152 target_to_host_sock_type(&type);
2153
1be9e1dc
PB		 2154 ret = get_errno(socketpair(domain, type, protocol, tab));
2155 if (!is_error(ret)) {
2f619698
FB		 2156 if (put_user_s32(tab[0], target_tab_addr)
2157 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
2158 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2159 }
2160 return ret;
2161}
2162
0da46a6e 2163/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 2164static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
2165 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 2166{
2167 void *addr;
2168 void *host_msg;
992f48a0 2169 abi_long ret;
1be9e1dc 2170
38724253 2171 if ((int)addrlen < 0) {
8f7aeaf6 2172 return -TARGET_EINVAL;
38724253 2173 }
8f7aeaf6 2174
579a97f7
FB		 2175 host_msg = lock_user(VERIFY_READ, msg, len, 1);
2176 if (!host_msg)
2177 return -TARGET_EFAULT;
1be9e1dc
PB		 2178 if (target_addr) {
2179 addr = alloca(addrlen);
917507b0
AP		 2180 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2181 if (ret) {
2182 unlock_user(host_msg, msg, 0);
2183 return ret;
2184 }
1be9e1dc
PB		 2185 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
2186 } else {
2187 ret = get_errno(send(fd, host_msg, len, flags));
2188 }
2189 unlock_user(host_msg, msg, 0);
2190 return ret;
2191}
2192
0da46a6e 2193/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 2194static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
2195 abi_ulong target_addr,
2196 abi_ulong target_addrlen)
1be9e1dc
PB		 2197{
2198 socklen_t addrlen;
2199 void *addr;
2200 void *host_msg;
992f48a0 2201 abi_long ret;
1be9e1dc 2202
579a97f7
FB		 2203 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
2204 if (!host_msg)
2205 return -TARGET_EFAULT;
1be9e1dc 2206 if (target_addr) {
2f619698
FB		 2207 if (get_user_u32(addrlen, target_addrlen)) {
2208 ret = -TARGET_EFAULT;
2209 goto fail;
2210 }
38724253 2211 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 2212 ret = -TARGET_EINVAL;
2213 goto fail;
2214 }
1be9e1dc
PB		 2215 addr = alloca(addrlen);
2216 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
2217 } else {
2218 addr = NULL; /* To keep compiler quiet. */
00aa0040 2219 ret = get_errno(qemu_recv(fd, host_msg, len, flags));
1be9e1dc
PB		 2220 }
2221 if (!is_error(ret)) {
2222 if (target_addr) {
2223 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2224 if (put_user_u32(addrlen, target_addrlen)) {
2225 ret = -TARGET_EFAULT;
2226 goto fail;
2227 }
1be9e1dc
PB		 2228 }
2229 unlock_user(host_msg, msg, len);
2230 } else {
2f619698 2231fail:
1be9e1dc
PB		 2232 unlock_user(host_msg, msg, 0);
2233 }
2234 return ret;
2235}
2236
32407103 2237#ifdef TARGET_NR_socketcall
0da46a6e 2238/* do_socketcall() Must return target values and target errnos. */
992f48a0 2239static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 2240{
62dc90c6
MT		 2241 static const unsigned ac[] = { /* number of arguments per call */
2242 [SOCKOP_socket] = 3, /* domain, type, protocol */
2243 [SOCKOP_bind] = 3, /* sockfd, addr, addrlen */
2244 [SOCKOP_connect] = 3, /* sockfd, addr, addrlen */
2245 [SOCKOP_listen] = 2, /* sockfd, backlog */
2246 [SOCKOP_accept] = 3, /* sockfd, addr, addrlen */
2247 [SOCKOP_accept4] = 4, /* sockfd, addr, addrlen, flags */
2248 [SOCKOP_getsockname] = 3, /* sockfd, addr, addrlen */
2249 [SOCKOP_getpeername] = 3, /* sockfd, addr, addrlen */
2250 [SOCKOP_socketpair] = 4, /* domain, type, protocol, tab */
2251 [SOCKOP_send] = 4, /* sockfd, msg, len, flags */
2252 [SOCKOP_recv] = 4, /* sockfd, msg, len, flags */
2253 [SOCKOP_sendto] = 6, /* sockfd, msg, len, flags, addr, addrlen */
2254 [SOCKOP_recvfrom] = 6, /* sockfd, msg, len, flags, addr, addrlen */
2255 [SOCKOP_shutdown] = 2, /* sockfd, how */
2256 [SOCKOP_sendmsg] = 3, /* sockfd, msg, flags */
2257 [SOCKOP_recvmsg] = 3, /* sockfd, msg, flags */
2258 [SOCKOP_setsockopt] = 5, /* sockfd, level, optname, optval, optlen */
2259 [SOCKOP_getsockopt] = 5, /* sockfd, level, optname, optval, optlen */
2260 };
2261 abi_long a[6]; /* max 6 args */
2262
2263 /* first, collect the arguments in a[] according to ac[] */
2264 if (num >= 0 && num < ARRAY_SIZE(ac)) {
2265 unsigned i;
2266 assert(ARRAY_SIZE(a) >= ac[num]); /* ensure we have space for args */
2267 for (i = 0; i < ac[num]; ++i) {
2268 if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
b9d36eb2
AH		 2269 return -TARGET_EFAULT;
2270 }
31e31b8a 2271 }
62dc90c6 2272 }
7854b056 2273
62dc90c6
MT		 2274 /* now when we have the args, actually handle the call */
2275 switch (num) {
2276 case SOCKOP_socket: /* domain, type, protocol */
2277 return do_socket(a[0], a[1], a[2]);
2278 case SOCKOP_bind: /* sockfd, addr, addrlen */
2279 return do_bind(a[0], a[1], a[2]);
2280 case SOCKOP_connect: /* sockfd, addr, addrlen */
2281 return do_connect(a[0], a[1], a[2]);
2282 case SOCKOP_listen: /* sockfd, backlog */
2283 return get_errno(listen(a[0], a[1]));
2284 case SOCKOP_accept: /* sockfd, addr, addrlen */
2285 return do_accept4(a[0], a[1], a[2], 0);
2286 case SOCKOP_accept4: /* sockfd, addr, addrlen, flags */
2287 return do_accept4(a[0], a[1], a[2], a[3]);
2288 case SOCKOP_getsockname: /* sockfd, addr, addrlen */
2289 return do_getsockname(a[0], a[1], a[2]);
2290 case SOCKOP_getpeername: /* sockfd, addr, addrlen */
2291 return do_getpeername(a[0], a[1], a[2]);
2292 case SOCKOP_socketpair: /* domain, type, protocol, tab */
2293 return do_socketpair(a[0], a[1], a[2], a[3]);
2294 case SOCKOP_send: /* sockfd, msg, len, flags */
2295 return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
2296 case SOCKOP_recv: /* sockfd, msg, len, flags */
2297 return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
2298 case SOCKOP_sendto: /* sockfd, msg, len, flags, addr, addrlen */
2299 return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
2300 case SOCKOP_recvfrom: /* sockfd, msg, len, flags, addr, addrlen */
2301 return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
2302 case SOCKOP_shutdown: /* sockfd, how */
2303 return get_errno(shutdown(a[0], a[1]));
2304 case SOCKOP_sendmsg: /* sockfd, msg, flags */
2305 return do_sendrecvmsg(a[0], a[1], a[2], 1);
2306 case SOCKOP_recvmsg: /* sockfd, msg, flags */
2307 return do_sendrecvmsg(a[0], a[1], a[2], 0);
2308 case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */
2309 return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
2310 case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */
2311 return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
31e31b8a
FB		 2312 default:
2313 gemu_log("Unsupported socketcall: %d\n", num);
62dc90c6 2314 return -TARGET_ENOSYS;
31e31b8a 2315 }
31e31b8a 2316}
32407103 2317#endif
31e31b8a 2318
8853f86e
FB		 2319#define N_SHM_REGIONS 32
2320
2321static struct shm_region {
5a4a898d
FB		 2322 abi_ulong start;
2323 abi_ulong size;
8853f86e
FB		 2324} shm_regions[N_SHM_REGIONS];
2325
3eb6b044
TS		 2326struct target_semid_ds
2327{
2328 struct target_ipc_perm sem_perm;
992f48a0
BS		 2329 abi_ulong sem_otime;
2330 abi_ulong __unused1;
2331 abi_ulong sem_ctime;
2332 abi_ulong __unused2;
2333 abi_ulong sem_nsems;
2334 abi_ulong __unused3;
2335 abi_ulong __unused4;
3eb6b044
TS		 2336};
2337
579a97f7
FB		 2338static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2339 abi_ulong target_addr)
3eb6b044
TS		 2340{
2341 struct target_ipc_perm *target_ip;
2342 struct target_semid_ds *target_sd;
2343
579a97f7
FB		 2344 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2345 return -TARGET_EFAULT;
e8bbe36c 2346 target_ip = &(target_sd->sem_perm);
55a2b163
PJ		 2347 host_ip->__key = tswap32(target_ip->__key);
2348 host_ip->uid = tswap32(target_ip->uid);
2349 host_ip->gid = tswap32(target_ip->gid);
2350 host_ip->cuid = tswap32(target_ip->cuid);
2351 host_ip->cgid = tswap32(target_ip->cgid);
2352#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
2353 host_ip->mode = tswap32(target_ip->mode);
2354#else
cbb21eed 2355 host_ip->mode = tswap16(target_ip->mode);
55a2b163
PJ		 2356#endif
2357#if defined(TARGET_PPC)
2358 host_ip->__seq = tswap32(target_ip->__seq);
2359#else
2360 host_ip->__seq = tswap16(target_ip->__seq);
2361#endif
3eb6b044 2362 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2363 return 0;
3eb6b044
TS		 2364}
2365
579a97f7
FB		 2366static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2367 struct ipc_perm *host_ip)
3eb6b044
TS		 2368{
2369 struct target_ipc_perm *target_ip;
2370 struct target_semid_ds *target_sd;
2371
579a97f7
FB		 2372 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2373 return -TARGET_EFAULT;
3eb6b044 2374 target_ip = &(target_sd->sem_perm);
55a2b163
PJ		 2375 target_ip->__key = tswap32(host_ip->__key);
2376 target_ip->uid = tswap32(host_ip->uid);
2377 target_ip->gid = tswap32(host_ip->gid);
2378 target_ip->cuid = tswap32(host_ip->cuid);
2379 target_ip->cgid = tswap32(host_ip->cgid);
2380#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
2381 target_ip->mode = tswap32(host_ip->mode);
2382#else
cbb21eed 2383 target_ip->mode = tswap16(host_ip->mode);
55a2b163
PJ		 2384#endif
2385#if defined(TARGET_PPC)
2386 target_ip->__seq = tswap32(host_ip->__seq);
2387#else
2388 target_ip->__seq = tswap16(host_ip->__seq);
2389#endif
3eb6b044 2390 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2391 return 0;
3eb6b044
TS		 2392}
2393
579a97f7
FB		 2394static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2395 abi_ulong target_addr)
3eb6b044
TS		 2396{
2397 struct target_semid_ds *target_sd;
2398
579a97f7
FB		 2399 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2400 return -TARGET_EFAULT;
e5289087
AJ		 2401 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2402 return -TARGET_EFAULT;
cbb21eed
MB		 2403 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
2404 host_sd->sem_otime = tswapal(target_sd->sem_otime);
2405 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3eb6b044 2406 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2407 return 0;
3eb6b044
TS		 2408}
2409
579a97f7
FB		 2410static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2411 struct semid_ds *host_sd)
3eb6b044
TS		 2412{
2413 struct target_semid_ds *target_sd;
2414
579a97f7
FB		 2415 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2416 return -TARGET_EFAULT;
e5289087 2417 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3a93113a 2418 return -TARGET_EFAULT;
cbb21eed
MB		 2419 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
2420 target_sd->sem_otime = tswapal(host_sd->sem_otime);
2421 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3eb6b044 2422 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2423 return 0;
3eb6b044
TS		 2424}
2425
e5289087
AJ		 2426struct target_seminfo {
2427 int semmap;
2428 int semmni;
2429 int semmns;
2430 int semmnu;
2431 int semmsl;
2432 int semopm;
2433 int semume;
2434 int semusz;
2435 int semvmx;
2436 int semaem;
2437};
2438
2439static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2440 struct seminfo *host_seminfo)
2441{
2442 struct target_seminfo *target_seminfo;
2443 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2444 return -TARGET_EFAULT;
2445 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2446 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2447 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2448 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2449 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2450 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2451 __put_user(host_seminfo->semume, &target_seminfo->semume);
2452 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2453 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2454 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2455 unlock_user_struct(target_seminfo, target_addr, 1);
2456 return 0;
2457}
2458
fa294816
TS		 2459union semun {
2460 int val;
3eb6b044 2461 struct semid_ds *buf;
fa294816 2462 unsigned short *array;
e5289087 2463 struct seminfo *__buf;
fa294816
TS		 2464};
2465
3eb6b044
TS		 2466union target_semun {
2467 int val;
e5289087
AJ		 2468 abi_ulong buf;
2469 abi_ulong array;
2470 abi_ulong __buf;
3eb6b044
TS		 2471};
2472
e5289087
AJ		 2473static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2474 abi_ulong target_addr)
3eb6b044 2475{
e5289087
AJ		 2476 int nsems;
2477 unsigned short *array;
2478 union semun semun;
2479 struct semid_ds semid_ds;
2480 int i, ret;
3eb6b044 2481
e5289087
AJ		 2482 semun.buf = &semid_ds;
2483
2484 ret = semctl(semid, 0, IPC_STAT, semun);
2485 if (ret == -1)
2486 return get_errno(ret);
2487
2488 nsems = semid_ds.sem_nsems;
2489
2490 *host_array = malloc(nsems*sizeof(unsigned short));
69d4c703
PM		 2491 if (!*host_array) {
2492 return -TARGET_ENOMEM;
2493 }
e5289087
AJ		 2494 array = lock_user(VERIFY_READ, target_addr,
2495 nsems*sizeof(unsigned short), 1);
69d4c703
PM		 2496 if (!array) {
2497 free(*host_array);
e5289087 2498 return -TARGET_EFAULT;
69d4c703 2499 }
e5289087
AJ		 2500
2501 for(i=0; i<nsems; i++) {
2502 __get_user((*host_array)[i], &array[i]);
3eb6b044 2503 }
e5289087
AJ		 2504 unlock_user(array, target_addr, 0);
2505
579a97f7 2506 return 0;
3eb6b044
TS		 2507}
2508
e5289087
AJ		 2509static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2510 unsigned short **host_array)
3eb6b044 2511{
e5289087
AJ		 2512 int nsems;
2513 unsigned short *array;
2514 union semun semun;
2515 struct semid_ds semid_ds;
2516 int i, ret;
3eb6b044 2517
e5289087
AJ		 2518 semun.buf = &semid_ds;
2519
2520 ret = semctl(semid, 0, IPC_STAT, semun);
2521 if (ret == -1)
2522 return get_errno(ret);
2523
2524 nsems = semid_ds.sem_nsems;
2525
2526 array = lock_user(VERIFY_WRITE, target_addr,
2527 nsems*sizeof(unsigned short), 0);
2528 if (!array)
2529 return -TARGET_EFAULT;
2530
2531 for(i=0; i<nsems; i++) {
2532 __put_user((*host_array)[i], &array[i]);
3eb6b044 2533 }
e5289087
AJ		 2534 free(*host_array);
2535 unlock_user(array, target_addr, 1);
2536
579a97f7 2537 return 0;
3eb6b044
TS		 2538}
2539
e5289087
AJ		 2540static inline abi_long do_semctl(int semid, int semnum, int cmd,
2541 union target_semun target_su)
3eb6b044
TS		 2542{
2543 union semun arg;
2544 struct semid_ds dsarg;
7b8118e8 2545 unsigned short *array = NULL;
e5289087
AJ		 2546 struct seminfo seminfo;
2547 abi_long ret = -TARGET_EINVAL;
2548 abi_long err;
2549 cmd &= 0xff;
3eb6b044
TS		 2550
2551 switch( cmd ) {
2552 case GETVAL:
3eb6b044 2553 case SETVAL:
cbb21eed 2554 arg.val = tswap32(target_su.val);
e5289087 2555 ret = get_errno(semctl(semid, semnum, cmd, arg));
cbb21eed 2556 target_su.val = tswap32(arg.val);
3eb6b044
TS		 2557 break;
2558 case GETALL:
3eb6b044 2559 case SETALL:
e5289087
AJ		 2560 err = target_to_host_semarray(semid, &array, target_su.array);
2561 if (err)
2562 return err;
2563 arg.array = array;
2564 ret = get_errno(semctl(semid, semnum, cmd, arg));
2565 err = host_to_target_semarray(semid, target_su.array, &array);
2566 if (err)
2567 return err;
3eb6b044
TS		 2568 break;
2569 case IPC_STAT:
3eb6b044 2570 case IPC_SET:
e5289087
AJ		 2571 case SEM_STAT:
2572 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2573 if (err)
2574 return err;
2575 arg.buf = &dsarg;
2576 ret = get_errno(semctl(semid, semnum, cmd, arg));
2577 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2578 if (err)
2579 return err;
2580 break;
2581 case IPC_INFO:
2582 case SEM_INFO:
2583 arg.__buf = &seminfo;
2584 ret = get_errno(semctl(semid, semnum, cmd, arg));
2585 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2586 if (err)
2587 return err;
2588 break;
2589 case IPC_RMID:
2590 case GETPID:
2591 case GETNCNT:
2592 case GETZCNT:
2593 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2594 break;
3eb6b044
TS		 2595 }
2596
2597 return ret;
2598}
2599
e5289087
AJ		 2600struct target_sembuf {
2601 unsigned short sem_num;
2602 short sem_op;
2603 short sem_flg;
2604};
2605
2606static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2607 abi_ulong target_addr,
2608 unsigned nsops)
2609{
2610 struct target_sembuf *target_sembuf;
2611 int i;
2612
2613 target_sembuf = lock_user(VERIFY_READ, target_addr,
2614 nsops*sizeof(struct target_sembuf), 1);
2615 if (!target_sembuf)
2616 return -TARGET_EFAULT;
2617
2618 for(i=0; i<nsops; i++) {
2619 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2620 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2621 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2622 }
2623
2624 unlock_user(target_sembuf, target_addr, 0);
2625
2626 return 0;
2627}
2628
2629static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2630{
2631 struct sembuf sops[nsops];
2632
2633 if (target_to_host_sembuf(sops, ptr, nsops))
2634 return -TARGET_EFAULT;
2635
c7128c9f 2636 return get_errno(semop(semid, sops, nsops));
e5289087
AJ		 2637}
2638
1bc012f6
TS		 2639struct target_msqid_ds
2640{
1c54ff97
AJ		 2641 struct target_ipc_perm msg_perm;
2642 abi_ulong msg_stime;
2643#if TARGET_ABI_BITS == 32
2644 abi_ulong __unused1;
2645#endif
2646 abi_ulong msg_rtime;
2647#if TARGET_ABI_BITS == 32
2648 abi_ulong __unused2;
2649#endif
2650 abi_ulong msg_ctime;
2651#if TARGET_ABI_BITS == 32
2652 abi_ulong __unused3;
2653#endif
2654 abi_ulong __msg_cbytes;
2655 abi_ulong msg_qnum;
2656 abi_ulong msg_qbytes;
2657 abi_ulong msg_lspid;
2658 abi_ulong msg_lrpid;
2659 abi_ulong __unused4;
2660 abi_ulong __unused5;
1bc012f6
TS		 2661};
2662
579a97f7
FB		 2663static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2664 abi_ulong target_addr)
1bc012f6
TS		 2665{
2666 struct target_msqid_ds *target_md;
2667
579a97f7
FB		 2668 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2669 return -TARGET_EFAULT;
1c54ff97
AJ		 2670 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2671 return -TARGET_EFAULT;
cbb21eed
MB		 2672 host_md->msg_stime = tswapal(target_md->msg_stime);
2673 host_md->msg_rtime = tswapal(target_md->msg_rtime);
2674 host_md->msg_ctime = tswapal(target_md->msg_ctime);
2675 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
2676 host_md->msg_qnum = tswapal(target_md->msg_qnum);
2677 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
2678 host_md->msg_lspid = tswapal(target_md->msg_lspid);
2679 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
1bc012f6 2680 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2681 return 0;
1bc012f6
TS		 2682}
2683
579a97f7
FB		 2684static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2685 struct msqid_ds *host_md)
1bc012f6
TS		 2686{
2687 struct target_msqid_ds *target_md;
2688
579a97f7
FB		 2689 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2690 return -TARGET_EFAULT;
1c54ff97
AJ		 2691 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2692 return -TARGET_EFAULT;
cbb21eed
MB		 2693 target_md->msg_stime = tswapal(host_md->msg_stime);
2694 target_md->msg_rtime = tswapal(host_md->msg_rtime);
2695 target_md->msg_ctime = tswapal(host_md->msg_ctime);
2696 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
2697 target_md->msg_qnum = tswapal(host_md->msg_qnum);
2698 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
2699 target_md->msg_lspid = tswapal(host_md->msg_lspid);
2700 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
1bc012f6 2701 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2702 return 0;
1bc012f6
TS		 2703}
2704
1c54ff97
AJ		 2705struct target_msginfo {
2706 int msgpool;
2707 int msgmap;
2708 int msgmax;
2709 int msgmnb;
2710 int msgmni;
2711 int msgssz;
2712 int msgtql;
2713 unsigned short int msgseg;
2714};
2715
2716static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2717 struct msginfo *host_msginfo)
2718{
2719 struct target_msginfo *target_msginfo;
2720 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2721 return -TARGET_EFAULT;
2722 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2723 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2724 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2725 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2726 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2727 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2728 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2729 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2730 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2731 return 0;
1c54ff97
AJ		 2732}
2733
2734static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2735{
2736 struct msqid_ds dsarg;
1c54ff97
AJ		 2737 struct msginfo msginfo;
2738 abi_long ret = -TARGET_EINVAL;
2739
2740 cmd &= 0xff;
2741
2742 switch (cmd) {
1bc012f6
TS		 2743 case IPC_STAT:
2744 case IPC_SET:
1c54ff97
AJ		 2745 case MSG_STAT:
2746 if (target_to_host_msqid_ds(&dsarg,ptr))
2747 return -TARGET_EFAULT;
2748 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2749 if (host_to_target_msqid_ds(ptr,&dsarg))
2750 return -TARGET_EFAULT;
2751 break;
2752 case IPC_RMID:
2753 ret = get_errno(msgctl(msgid, cmd, NULL));
2754 break;
2755 case IPC_INFO:
2756 case MSG_INFO:
2757 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2758 if (host_to_target_msginfo(ptr, &msginfo))
2759 return -TARGET_EFAULT;
2760 break;
1bc012f6 2761 }
1c54ff97 2762
1bc012f6
TS		 2763 return ret;
2764}
2765
2766struct target_msgbuf {
1c54ff97
AJ		 2767 abi_long mtype;
2768 char mtext[1];
1bc012f6
TS		 2769};
2770
992f48a0
BS		 2771static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2772 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2773{
2774 struct target_msgbuf *target_mb;
2775 struct msgbuf *host_mb;
992f48a0 2776 abi_long ret = 0;
1bc012f6 2777
579a97f7
FB		 2778 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2779 return -TARGET_EFAULT;
1bc012f6 2780 host_mb = malloc(msgsz+sizeof(long));
cbb21eed 2781 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
1c54ff97 2782 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2783 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2784 free(host_mb);
2785 unlock_user_struct(target_mb, msgp, 0);
2786
2787 return ret;
2788}
2789
992f48a0 2790static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2791 unsigned int msgsz, abi_long msgtyp,
992f48a0 2792 int msgflg)
1bc012f6
TS		 2793{
2794 struct target_msgbuf *target_mb;
579a97f7 2795 char *target_mtext;
1bc012f6 2796 struct msgbuf *host_mb;
992f48a0 2797 abi_long ret = 0;
1bc012f6 2798
579a97f7
FB		 2799 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2800 return -TARGET_EFAULT;
1c54ff97 2801
0d07fe47 2802 host_mb = g_malloc(msgsz+sizeof(long));
79dd77de 2803 ret = get_errno(msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
1c54ff97 2804
579a97f7
FB		 2805 if (ret > 0) {
2806 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2807 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2808 if (!target_mtext) {
2809 ret = -TARGET_EFAULT;
2810 goto end;
2811 }
1c54ff97 2812 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2813 unlock_user(target_mtext, target_mtext_addr, ret);
2814 }
1c54ff97 2815
cbb21eed 2816 target_mb->mtype = tswapal(host_mb->mtype);
1bc012f6 2817
579a97f7
FB		 2818end:
2819 if (target_mb)
2820 unlock_user_struct(target_mb, msgp, 1);
0d07fe47 2821 g_free(host_mb);
1bc012f6
TS		 2822 return ret;
2823}
2824
88a8c984
RV		 2825static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2826 abi_ulong target_addr)
2827{
2828 struct target_shmid_ds *target_sd;
2829
2830 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2831 return -TARGET_EFAULT;
2832 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2833 return -TARGET_EFAULT;
2834 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2835 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2836 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2837 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2838 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2839 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2840 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2841 unlock_user_struct(target_sd, target_addr, 0);
2842 return 0;
2843}
2844
2845static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2846 struct shmid_ds *host_sd)
2847{
2848 struct target_shmid_ds *target_sd;
2849
2850 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2851 return -TARGET_EFAULT;
2852 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2853 return -TARGET_EFAULT;
2854 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2855 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2856 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2857 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2858 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2859 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2860 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2861 unlock_user_struct(target_sd, target_addr, 1);
2862 return 0;
2863}
2864
2865struct target_shminfo {
2866 abi_ulong shmmax;
2867 abi_ulong shmmin;
2868 abi_ulong shmmni;
2869 abi_ulong shmseg;
2870 abi_ulong shmall;
2871};
2872
2873static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2874 struct shminfo *host_shminfo)
2875{
2876 struct target_shminfo *target_shminfo;
2877 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2878 return -TARGET_EFAULT;
2879 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2880 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2881 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2882 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2883 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2884 unlock_user_struct(target_shminfo, target_addr, 1);
2885 return 0;
2886}
2887
2888struct target_shm_info {
2889 int used_ids;
2890 abi_ulong shm_tot;
2891 abi_ulong shm_rss;
2892 abi_ulong shm_swp;
2893 abi_ulong swap_attempts;
2894 abi_ulong swap_successes;
2895};
2896
2897static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2898 struct shm_info *host_shm_info)
2899{
2900 struct target_shm_info *target_shm_info;
2901 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2902 return -TARGET_EFAULT;
2903 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2904 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2905 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2906 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2907 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2908 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2909 unlock_user_struct(target_shm_info, target_addr, 1);
2910 return 0;
2911}
2912
2913static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2914{
2915 struct shmid_ds dsarg;
2916 struct shminfo shminfo;
2917 struct shm_info shm_info;
2918 abi_long ret = -TARGET_EINVAL;
2919
2920 cmd &= 0xff;
2921
2922 switch(cmd) {
2923 case IPC_STAT:
2924 case IPC_SET:
2925 case SHM_STAT:
2926 if (target_to_host_shmid_ds(&dsarg, buf))
2927 return -TARGET_EFAULT;
2928 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2929 if (host_to_target_shmid_ds(buf, &dsarg))
2930 return -TARGET_EFAULT;
2931 break;
2932 case IPC_INFO:
2933 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2934 if (host_to_target_shminfo(buf, &shminfo))
2935 return -TARGET_EFAULT;
2936 break;
2937 case SHM_INFO:
2938 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2939 if (host_to_target_shm_info(buf, &shm_info))
2940 return -TARGET_EFAULT;
2941 break;
2942 case IPC_RMID:
2943 case SHM_LOCK:
2944 case SHM_UNLOCK:
2945 ret = get_errno(shmctl(shmid, cmd, NULL));
2946 break;
2947 }
2948
2949 return ret;
2950}
2951
2952static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2953{
2954 abi_long raddr;
2955 void *host_raddr;
2956 struct shmid_ds shm_info;
2957 int i,ret;
2958
2959 /* find out the length of the shared memory segment */
2960 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2961 if (is_error(ret)) {
2962 /* can't get length, bail out */
2963 return ret;
2964 }
2965
2966 mmap_lock();
2967
2968 if (shmaddr)
2969 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2970 else {
2971 abi_ulong mmap_start;
2972
2973 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2974
2975 if (mmap_start == -1) {
2976 errno = ENOMEM;
2977 host_raddr = (void *)-1;
2978 } else
2979 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2980 }
2981
2982 if (host_raddr == (void *)-1) {
2983 mmap_unlock();
2984 return get_errno((long)host_raddr);
2985 }
2986 raddr=h2g((unsigned long)host_raddr);
2987
2988 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2989 PAGE_VALID | PAGE_READ |
2990 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2991
2992 for (i = 0; i < N_SHM_REGIONS; i++) {
2993 if (shm_regions[i].start == 0) {
2994 shm_regions[i].start = raddr;
2995 shm_regions[i].size = shm_info.shm_segsz;
2996 break;
2997 }
2998 }
2999
3000 mmap_unlock();
3001 return raddr;
3002
3003}
3004
3005static inline abi_long do_shmdt(abi_ulong shmaddr)
3006{
3007 int i;
3008
3009 for (i = 0; i < N_SHM_REGIONS; ++i) {
3010 if (shm_regions[i].start == shmaddr) {
3011 shm_regions[i].start = 0;
e00ac249 3012 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 3013 break;
3014 }
3015 }
3016
3017 return get_errno(shmdt(g2h(shmaddr)));
3018}
3019
1c54ff97 3020#ifdef TARGET_NR_ipc
53a5960a 3021/* ??? This only works with linear mappings. */
0da46a6e 3022/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 3023static abi_long do_ipc(unsigned int call, int first,
3024 int second, int third,
3025 abi_long ptr, abi_long fifth)
8853f86e
FB		 3026{
3027 int version;
992f48a0 3028 abi_long ret = 0;
8853f86e
FB		 3029
3030 version = call >> 16;
3031 call &= 0xffff;
3032
3033 switch (call) {
fa294816 3034 case IPCOP_semop:
e5289087 3035 ret = do_semop(first, ptr, second);
fa294816
TS		 3036 break;
3037
3038 case IPCOP_semget:
3039 ret = get_errno(semget(first, second, third));
3040 break;
3041
3042 case IPCOP_semctl:
e5289087 3043 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 3044 break;
d96372ef 3045
1c54ff97
AJ		 3046 case IPCOP_msgget:
3047 ret = get_errno(msgget(first, second));
3048 break;
d96372ef 3049
1c54ff97
AJ		 3050 case IPCOP_msgsnd:
3051 ret = do_msgsnd(first, ptr, second, third);
3052 break;
d96372ef 3053
1c54ff97
AJ		 3054 case IPCOP_msgctl:
3055 ret = do_msgctl(first, second, ptr);
3056 break;
d96372ef 3057
1c54ff97
AJ		 3058 case IPCOP_msgrcv:
3059 switch (version) {
3060 case 0:
3061 {
3062 struct target_ipc_kludge {
3063 abi_long msgp;
3064 abi_long msgtyp;
3065 } *tmp;
3066
3067 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
3068 ret = -TARGET_EFAULT;
3069 break;
3070 }
d96372ef 3071
79dd77de 3072 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
d96372ef 3073
1c54ff97
AJ		 3074 unlock_user_struct(tmp, ptr, 0);
3075 break;
3076 }
3077 default:
3078 ret = do_msgrcv(first, ptr, second, fifth, third);
3079 }
3080 break;
d96372ef 3081
8853f86e 3082 case IPCOP_shmat:
88a8c984
RV		 3083 switch (version) {
3084 default:
5a4a898d
FB		 3085 {
3086 abi_ulong raddr;
88a8c984
RV		 3087 raddr = do_shmat(first, ptr, second);
3088 if (is_error(raddr))
3089 return get_errno(raddr);
2f619698 3090 if (put_user_ual(raddr, third))
5a4a898d 3091 return -TARGET_EFAULT;
88a8c984
RV		 3092 break;
3093 }
3094 case 1:
3095 ret = -TARGET_EINVAL;
3096 break;
5a4a898d 3097 }
8853f86e
FB		 3098 break;
3099 case IPCOP_shmdt:
88a8c984 3100 ret = do_shmdt(ptr);
8853f86e
FB		 3101 break;
3102
3103 case IPCOP_shmget:
3104 /* IPC_* flag values are the same on all linux platforms */
3105 ret = get_errno(shmget(first, second, third));
3106 break;
3107
3108 /* IPC_* and SHM_* command values are the same on all linux platforms */
3109 case IPCOP_shmctl:
a2926784 3110 ret = do_shmctl(first, second, ptr);
8853f86e
FB		 3111 break;
3112 default:
32407103 3113 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 3114 ret = -TARGET_ENOSYS;
8853f86e
FB		 3115 break;
3116 }
3117 return ret;
3118}
32407103 3119#endif
8853f86e 3120
31e31b8a 3121/* kernel structure types definitions */
31e31b8a 3122
001faf32 3123#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 3124#define STRUCT_SPECIAL(name) STRUCT_ ## name,
3125enum {
3126#include "syscall_types.h"
3127};
3128#undef STRUCT
3129#undef STRUCT_SPECIAL
3130
001faf32 3131#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 3132#define STRUCT_SPECIAL(name)
3133#include "syscall_types.h"
3134#undef STRUCT
3135#undef STRUCT_SPECIAL
3136
d2ef05bb
PM		 3137typedef struct IOCTLEntry IOCTLEntry;
3138
3139typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
3140 int fd, abi_long cmd, abi_long arg);
3141
3142struct IOCTLEntry {
2ab83ea7
FB		 3143 unsigned int target_cmd;
3144 unsigned int host_cmd;
31e31b8a
FB		 3145 const char *name;
3146 int access;
d2ef05bb 3147 do_ioctl_fn *do_ioctl;
1a9353d2 3148 const argtype arg_type[5];
d2ef05bb 3149};
31e31b8a
FB		 3150
3151#define IOC_R 0x0001
3152#define IOC_W 0x0002
3153#define IOC_RW (IOC_R | IOC_W)
3154
3155#define MAX_STRUCT_SIZE 4096
3156
dace20dc 3157#ifdef CONFIG_FIEMAP
285da2b9
PM		 3158/* So fiemap access checks don't overflow on 32 bit systems.
3159 * This is very slightly smaller than the limit imposed by
3160 * the underlying kernel.
3161 */
3162#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3163 / sizeof(struct fiemap_extent))
3164
3165static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
3166 int fd, abi_long cmd, abi_long arg)
3167{
3168 /* The parameter for this ioctl is a struct fiemap followed
3169 * by an array of struct fiemap_extent whose size is set
3170 * in fiemap->fm_extent_count. The array is filled in by the
3171 * ioctl.
3172 */
3173 int target_size_in, target_size_out;
3174 struct fiemap *fm;
3175 const argtype *arg_type = ie->arg_type;
3176 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3177 void *argptr, *p;
3178 abi_long ret;
3179 int i, extent_size = thunk_type_size(extent_arg_type, 0);
3180 uint32_t outbufsz;
3181 int free_fm = 0;
3182
3183 assert(arg_type[0] == TYPE_PTR);
3184 assert(ie->access == IOC_RW);
3185 arg_type++;
3186 target_size_in = thunk_type_size(arg_type, 0);
3187 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3188 if (!argptr) {
3189 return -TARGET_EFAULT;
3190 }
3191 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3192 unlock_user(argptr, arg, 0);
3193 fm = (struct fiemap *)buf_temp;
3194 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3195 return -TARGET_EINVAL;
3196 }
3197
3198 outbufsz = sizeof (*fm) +
3199 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3200
3201 if (outbufsz > MAX_STRUCT_SIZE) {
3202 /* We can't fit all the extents into the fixed size buffer.
3203 * Allocate one that is large enough and use it instead.
3204 */
3205 fm = malloc(outbufsz);
3206 if (!fm) {
3207 return -TARGET_ENOMEM;
3208 }
3209 memcpy(fm, buf_temp, sizeof(struct fiemap));
3210 free_fm = 1;
3211 }
3212 ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3213 if (!is_error(ret)) {
3214 target_size_out = target_size_in;
3215 /* An extent_count of 0 means we were only counting the extents
3216 * so there are no structs to copy
3217 */
3218 if (fm->fm_extent_count != 0) {
3219 target_size_out += fm->fm_mapped_extents * extent_size;
3220 }
3221 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3222 if (!argptr) {
3223 ret = -TARGET_EFAULT;
3224 } else {
3225 /* Convert the struct fiemap */
3226 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3227 if (fm->fm_extent_count != 0) {
3228 p = argptr + target_size_in;
3229 /* ...and then all the struct fiemap_extents */
3230 for (i = 0; i < fm->fm_mapped_extents; i++) {
3231 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3232 THUNK_TARGET);
3233 p += extent_size;
3234 }
3235 }
3236 unlock_user(argptr, arg, target_size_out);
3237 }
3238 }
3239 if (free_fm) {
3240 free(fm);
3241 }
3242 return ret;
3243}
dace20dc 3244#endif
285da2b9 3245
059c2f2c
LV		 3246static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
3247 int fd, abi_long cmd, abi_long arg)
3248{
3249 const argtype *arg_type = ie->arg_type;
3250 int target_size;
3251 void *argptr;
3252 int ret;
3253 struct ifconf *host_ifconf;
3254 uint32_t outbufsz;
3255 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
3256 int target_ifreq_size;
3257 int nb_ifreq;
3258 int free_buf = 0;
3259 int i;
3260 int target_ifc_len;
3261 abi_long target_ifc_buf;
3262 int host_ifc_len;
3263 char *host_ifc_buf;
3264
3265 assert(arg_type[0] == TYPE_PTR);
3266 assert(ie->access == IOC_RW);
3267
3268 arg_type++;
3269 target_size = thunk_type_size(arg_type, 0);
3270
3271 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3272 if (!argptr)
3273 return -TARGET_EFAULT;
3274 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3275 unlock_user(argptr, arg, 0);
3276
3277 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
3278 target_ifc_len = host_ifconf->ifc_len;
3279 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
3280
3281 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
3282 nb_ifreq = target_ifc_len / target_ifreq_size;
3283 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
3284
3285 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
3286 if (outbufsz > MAX_STRUCT_SIZE) {
3287 /* We can't fit all the extents into the fixed size buffer.
3288 * Allocate one that is large enough and use it instead.
3289 */
3290 host_ifconf = malloc(outbufsz);
3291 if (!host_ifconf) {
3292 return -TARGET_ENOMEM;
3293 }
3294 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
3295 free_buf = 1;
3296 }
3297 host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
3298
3299 host_ifconf->ifc_len = host_ifc_len;
3300 host_ifconf->ifc_buf = host_ifc_buf;
3301
3302 ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
3303 if (!is_error(ret)) {
3304 /* convert host ifc_len to target ifc_len */
3305
3306 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
3307 target_ifc_len = nb_ifreq * target_ifreq_size;
3308 host_ifconf->ifc_len = target_ifc_len;
3309
3310 /* restore target ifc_buf */
3311
3312 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
3313
3314 /* copy struct ifconf to target user */
3315
3316 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3317 if (!argptr)
3318 return -TARGET_EFAULT;
3319 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
3320 unlock_user(argptr, arg, target_size);
3321
3322 /* copy ifreq[] to target user */
3323
3324 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
3325 for (i = 0; i < nb_ifreq ; i++) {
3326 thunk_convert(argptr + i * target_ifreq_size,
3327 host_ifc_buf + i * sizeof(struct ifreq),
3328 ifreq_arg_type, THUNK_TARGET);
3329 }
3330 unlock_user(argptr, target_ifc_buf, target_ifc_len);
3331 }
3332
3333 if (free_buf) {
3334 free(host_ifconf);
3335 }
3336
3337 return ret;
3338}
3339
56e904ec
AG		 3340static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
3341 abi_long cmd, abi_long arg)
3342{
3343 void *argptr;
3344 struct dm_ioctl *host_dm;
3345 abi_long guest_data;
3346 uint32_t guest_data_size;
3347 int target_size;
3348 const argtype *arg_type = ie->arg_type;
3349 abi_long ret;
3350 void *big_buf = NULL;
3351 char *host_data;
3352
3353 arg_type++;
3354 target_size = thunk_type_size(arg_type, 0);
3355 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3356 if (!argptr) {
3357 ret = -TARGET_EFAULT;
3358 goto out;
3359 }
3360 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3361 unlock_user(argptr, arg, 0);
3362
3363 /* buf_temp is too small, so fetch things into a bigger buffer */
3364 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
3365 memcpy(big_buf, buf_temp, target_size);
3366 buf_temp = big_buf;
3367 host_dm = big_buf;
3368
3369 guest_data = arg + host_dm->data_start;
3370 if ((guest_data - arg) < 0) {
3371 ret = -EINVAL;
3372 goto out;
3373 }
3374 guest_data_size = host_dm->data_size - host_dm->data_start;
3375 host_data = (char*)host_dm + host_dm->data_start;
3376
3377 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
3378 switch (ie->host_cmd) {
3379 case DM_REMOVE_ALL:
3380 case DM_LIST_DEVICES:
3381 case DM_DEV_CREATE:
3382 case DM_DEV_REMOVE:
3383 case DM_DEV_SUSPEND:
3384 case DM_DEV_STATUS:
3385 case DM_DEV_WAIT:
3386 case DM_TABLE_STATUS:
3387 case DM_TABLE_CLEAR:
3388 case DM_TABLE_DEPS:
3389 case DM_LIST_VERSIONS:
3390 /* no input data */
3391 break;
3392 case DM_DEV_RENAME:
3393 case DM_DEV_SET_GEOMETRY:
3394 /* data contains only strings */
3395 memcpy(host_data, argptr, guest_data_size);
3396 break;
3397 case DM_TARGET_MSG:
3398 memcpy(host_data, argptr, guest_data_size);
3399 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
3400 break;
3401 case DM_TABLE_LOAD:
3402 {
3403 void *gspec = argptr;
3404 void *cur_data = host_data;
3405 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3406 int spec_size = thunk_type_size(arg_type, 0);
3407 int i;
3408
3409 for (i = 0; i < host_dm->target_count; i++) {
3410 struct dm_target_spec *spec = cur_data;
3411 uint32_t next;
3412 int slen;
3413
3414 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
3415 slen = strlen((char*)gspec + spec_size) + 1;
3416 next = spec->next;
3417 spec->next = sizeof(*spec) + slen;
3418 strcpy((char*)&spec[1], gspec + spec_size);
3419 gspec += next;
3420 cur_data += spec->next;
3421 }
3422 break;
3423 }
3424 default:
3425 ret = -TARGET_EINVAL;
3426 goto out;
3427 }
3428 unlock_user(argptr, guest_data, 0);
3429
3430 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3431 if (!is_error(ret)) {
3432 guest_data = arg + host_dm->data_start;
3433 guest_data_size = host_dm->data_size - host_dm->data_start;
3434 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
3435 switch (ie->host_cmd) {
3436 case DM_REMOVE_ALL:
3437 case DM_DEV_CREATE:
3438 case DM_DEV_REMOVE:
3439 case DM_DEV_RENAME:
3440 case DM_DEV_SUSPEND:
3441 case DM_DEV_STATUS:
3442 case DM_TABLE_LOAD:
3443 case DM_TABLE_CLEAR:
3444 case DM_TARGET_MSG:
3445 case DM_DEV_SET_GEOMETRY:
3446 /* no return data */
3447 break;
3448 case DM_LIST_DEVICES:
3449 {
3450 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
3451 uint32_t remaining_data = guest_data_size;
3452 void *cur_data = argptr;
3453 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
3454 int nl_size = 12; /* can't use thunk_size due to alignment */
3455
3456 while (1) {
3457 uint32_t next = nl->next;
3458 if (next) {
3459 nl->next = nl_size + (strlen(nl->name) + 1);
3460 }
3461 if (remaining_data < nl->next) {
3462 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3463 break;
3464 }
3465 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
3466 strcpy(cur_data + nl_size, nl->name);
3467 cur_data += nl->next;
3468 remaining_data -= nl->next;
3469 if (!next) {
3470 break;
3471 }
3472 nl = (void*)nl + next;
3473 }
3474 break;
3475 }
3476 case DM_DEV_WAIT:
3477 case DM_TABLE_STATUS:
3478 {
3479 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
3480 void *cur_data = argptr;
3481 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3482 int spec_size = thunk_type_size(arg_type, 0);
3483 int i;
3484
3485 for (i = 0; i < host_dm->target_count; i++) {
3486 uint32_t next = spec->next;
3487 int slen = strlen((char*)&spec[1]) + 1;
3488 spec->next = (cur_data - argptr) + spec_size + slen;
3489 if (guest_data_size < spec->next) {
3490 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3491 break;
3492 }
3493 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
3494 strcpy(cur_data + spec_size, (char*)&spec[1]);
3495 cur_data = argptr + spec->next;
3496 spec = (void*)host_dm + host_dm->data_start + next;
3497 }
3498 break;
3499 }
3500 case DM_TABLE_DEPS:
3501 {
3502 void *hdata = (void*)host_dm + host_dm->data_start;
3503 int count = *(uint32_t*)hdata;
3504 uint64_t *hdev = hdata + 8;
3505 uint64_t *gdev = argptr + 8;
3506 int i;
3507
3508 *(uint32_t*)argptr = tswap32(count);
3509 for (i = 0; i < count; i++) {
3510 *gdev = tswap64(*hdev);
3511 gdev++;
3512 hdev++;
3513 }
3514 break;
3515 }
3516 case DM_LIST_VERSIONS:
3517 {
3518 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
3519 uint32_t remaining_data = guest_data_size;
3520 void *cur_data = argptr;
3521 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
3522 int vers_size = thunk_type_size(arg_type, 0);
3523
3524 while (1) {
3525 uint32_t next = vers->next;
3526 if (next) {
3527 vers->next = vers_size + (strlen(vers->name) + 1);
3528 }
3529 if (remaining_data < vers->next) {
3530 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3531 break;
3532 }
3533 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
3534 strcpy(cur_data + vers_size, vers->name);
3535 cur_data += vers->next;
3536 remaining_data -= vers->next;
3537 if (!next) {
3538 break;
3539 }
3540 vers = (void*)vers + next;
3541 }
3542 break;
3543 }
3544 default:
3545 ret = -TARGET_EINVAL;
3546 goto out;
3547 }
3548 unlock_user(argptr, guest_data, guest_data_size);
3549
3550 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3551 if (!argptr) {
3552 ret = -TARGET_EFAULT;
3553 goto out;
3554 }
3555 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3556 unlock_user(argptr, arg, target_size);
3557 }
3558out:
ad11ad77 3559 g_free(big_buf);
56e904ec
AG		 3560 return ret;
3561}
3562
7ff7b666
LV		 3563static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
3564 int fd, abi_long cmd, abi_long arg)
3565{
3566 const argtype *arg_type = ie->arg_type;
3567 const StructEntry *se;
3568 const argtype *field_types;
3569 const int *dst_offsets, *src_offsets;
3570 int target_size;
3571 void *argptr;
3572 abi_ulong *target_rt_dev_ptr;
3573 unsigned long *host_rt_dev_ptr;
3574 abi_long ret;
3575 int i;
3576
3577 assert(ie->access == IOC_W);
3578 assert(*arg_type == TYPE_PTR);
3579 arg_type++;
3580 assert(*arg_type == TYPE_STRUCT);
3581 target_size = thunk_type_size(arg_type, 0);
3582 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3583 if (!argptr) {
3584 return -TARGET_EFAULT;
3585 }
3586 arg_type++;
3587 assert(*arg_type == (int)STRUCT_rtentry);
3588 se = struct_entries + *arg_type++;
3589 assert(se->convert[0] == NULL);
3590 /* convert struct here to be able to catch rt_dev string */
3591 field_types = se->field_types;
3592 dst_offsets = se->field_offsets[THUNK_HOST];
3593 src_offsets = se->field_offsets[THUNK_TARGET];
3594 for (i = 0; i < se->nb_fields; i++) {
3595 if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
3596 assert(*field_types == TYPE_PTRVOID);
3597 target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
3598 host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
3599 if (*target_rt_dev_ptr != 0) {
3600 *host_rt_dev_ptr = (unsigned long)lock_user_string(
3601 tswapal(*target_rt_dev_ptr));
3602 if (!*host_rt_dev_ptr) {
3603 unlock_user(argptr, arg, 0);
3604 return -TARGET_EFAULT;
3605 }
3606 } else {
3607 *host_rt_dev_ptr = 0;
3608 }
3609 field_types++;
3610 continue;
3611 }
3612 field_types = thunk_convert(buf_temp + dst_offsets[i],
3613 argptr + src_offsets[i],
3614 field_types, THUNK_HOST);
3615 }
3616 unlock_user(argptr, arg, 0);
3617
3618 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3619 if (*host_rt_dev_ptr != 0) {
3620 unlock_user((void *)*host_rt_dev_ptr,
3621 *target_rt_dev_ptr, 0);
3622 }
3623 return ret;
3624}
3625
9f106a75 3626static IOCTLEntry ioctl_entries[] = {
001faf32 3627#define IOCTL(cmd, access, ...) \
d2ef05bb
PM		 3628 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3629#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3630 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
31e31b8a
FB		 3631#include "ioctls.h"
3632 { 0, 0, },
3633};
3634
53a5960a 3635/* ??? Implement proper locking for ioctls. */
0da46a6e 3636/* do_ioctl() Must return target values and target errnos. */
992f48a0 3637static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 3638{
3639 const IOCTLEntry *ie;
3640 const argtype *arg_type;
992f48a0 3641 abi_long ret;
31e31b8a 3642 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 3643 int target_size;
3644 void *argptr;
31e31b8a
FB		 3645
3646 ie = ioctl_entries;
3647 for(;;) {
3648 if (ie->target_cmd == 0) {
32407103 3649 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 3650 return -TARGET_ENOSYS;
31e31b8a
FB		 3651 }
3652 if (ie->target_cmd == cmd)
3653 break;
3654 ie++;
3655 }
3656 arg_type = ie->arg_type;
9de5e440 3657#if defined(DEBUG)
32407103 3658 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 3659#endif
d2ef05bb
PM		 3660 if (ie->do_ioctl) {
3661 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3662 }
3663
31e31b8a
FB		 3664 switch(arg_type[0]) {
3665 case TYPE_NULL:
3666 /* no argument */
3667 ret = get_errno(ioctl(fd, ie->host_cmd));
3668 break;
3669 case TYPE_PTRVOID:
3670 case TYPE_INT:
3671 /* int argment */
3672 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3673 break;
3674 case TYPE_PTR:
3675 arg_type++;
53a5960a 3676 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 3677 switch(ie->access) {
3678 case IOC_R:
3679 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3680 if (!is_error(ret)) {
579a97f7
FB		 3681 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3682 if (!argptr)
3683 return -TARGET_EFAULT;
53a5960a
PB		 3684 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3685 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3686 }
3687 break;
3688 case IOC_W:
579a97f7
FB		 3689 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3690 if (!argptr)
3691 return -TARGET_EFAULT;
53a5960a
PB		 3692 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3693 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3694 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3695 break;
3696 default:
3697 case IOC_RW:
579a97f7
FB		 3698 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3699 if (!argptr)
3700 return -TARGET_EFAULT;
53a5960a
PB		 3701 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3702 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3703 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3704 if (!is_error(ret)) {
579a97f7
FB		 3705 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3706 if (!argptr)
3707 return -TARGET_EFAULT;
53a5960a
PB		 3708 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3709 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3710 }
3711 break;
3712 }
3713 break;
3714 default:
32407103
JM		 3715 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3716 (long)cmd, arg_type[0]);
0da46a6e 3717 ret = -TARGET_ENOSYS;
31e31b8a
FB		 3718 break;
3719 }
3720 return ret;
3721}
3722
b39bc503 3723static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 3724 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3725 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3726 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3727 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3728 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3729 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3730 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3731 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3732 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3733 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3734 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3735 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3736 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3737 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3738 { 0, 0, 0, 0 }
3739};
3740
b39bc503 3741static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3742 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3743 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3744 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3745 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3746 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3747 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3748 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3749 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3750 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3751 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3752 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3753 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3754 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3755 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3756 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3757 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3758 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3759 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3760 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3761 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3762 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3763 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3764 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3765 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3766 { 0, 0, 0, 0 }
3767};
3768
b39bc503 3769static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3770 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3771 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3772 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3773 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3774 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3775 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3776 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3777 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3778 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3779 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3780 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3781 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3782 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3783 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3784 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3785 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3786 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3787 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3788 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3789 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3790 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3791 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3792 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3793 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3794 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3795 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3796 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3797 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3798 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3799 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3800 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3801 { 0, 0, 0, 0 }
3802};
3803
b39bc503 3804static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3805 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3806 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3807 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3808 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3809 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3810 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3811 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3812 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3813 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3814 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3815 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3816 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3817 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3818 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3819 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3820 { 0, 0, 0, 0 }
3821};
3822
3823static void target_to_host_termios (void *dst, const void *src)
3824{
3825 struct host_termios *host = dst;
3826 const struct target_termios *target = src;
3b46e624 3827
5fafdf24 3828 host->c_iflag =
31e31b8a 3829 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3830 host->c_oflag =
31e31b8a 3831 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3832 host->c_cflag =
31e31b8a 3833 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3834 host->c_lflag =
31e31b8a
FB		 3835 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3836 host->c_line = target->c_line;
3b46e624 3837
44607123 3838 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3839 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3840 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3841 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3842 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3843 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3844 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3845 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3846 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3847 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3848 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3849 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3850 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3851 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3852 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3853 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3854 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3855 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3856}
3b46e624 3857
31e31b8a
FB		 3858static void host_to_target_termios (void *dst, const void *src)
3859{
3860 struct target_termios *target = dst;
3861 const struct host_termios *host = src;
3862
5fafdf24 3863 target->c_iflag =
31e31b8a 3864 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3865 target->c_oflag =
31e31b8a 3866 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3867 target->c_cflag =
31e31b8a 3868 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3869 target->c_lflag =
31e31b8a
FB		 3870 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3871 target->c_line = host->c_line;
3b46e624 3872
44607123 3873 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3874 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3875 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3876 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3877 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3878 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3879 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3880 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3881 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3882 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3883 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3884 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3885 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3886 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3887 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3888 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3889 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3890 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3891}
3892
8e853dc7 3893static const StructEntry struct_termios_def = {
31e31b8a
FB		 3894 .convert = { host_to_target_termios, target_to_host_termios },
3895 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3896 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3897};
3898
5286db75
FB		 3899static bitmask_transtbl mmap_flags_tbl[] = {
3900 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3901 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3902 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3903 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3904 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3905 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3906 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3907 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3908 { 0, 0, 0, 0 }
3909};
3910
2ab83ea7 3911#if defined(TARGET_I386)
6dbad63e
FB		 3912
3913/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3914static uint8_t *ldt_table;
6dbad63e 3915
03acab66 3916static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3917{
3918 int size;
53a5960a 3919 void *p;
6dbad63e
FB		 3920
3921 if (!ldt_table)
3922 return 0;
3923 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3924 if (size > bytecount)
3925 size = bytecount;
579a97f7
FB		 3926 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3927 if (!p)
03acab66 3928 return -TARGET_EFAULT;
579a97f7 3929 /* ??? Should this by byteswapped? */
53a5960a
PB		 3930 memcpy(p, ldt_table, size);
3931 unlock_user(p, ptr, size);
6dbad63e
FB		 3932 return size;
3933}
3934
3935/* XXX: add locking support */
03acab66
FB		 3936static abi_long write_ldt(CPUX86State *env,
3937 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3938{
3939 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3940 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3941 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3942 int seg_not_present, useable, lm;
6dbad63e
FB		 3943 uint32_t *lp, entry_1, entry_2;
3944
3945 if (bytecount != sizeof(ldt_info))
03acab66 3946 return -TARGET_EINVAL;
579a97f7 3947 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3948 return -TARGET_EFAULT;
53a5960a 3949 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 3950 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
53a5960a
PB		 3951 ldt_info.limit = tswap32(target_ldt_info->limit);
3952 ldt_info.flags = tswap32(target_ldt_info->flags);
3953 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3954
6dbad63e 3955 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3956 return -TARGET_EINVAL;
6dbad63e
FB		 3957 seg_32bit = ldt_info.flags & 1;
3958 contents = (ldt_info.flags >> 1) & 3;
3959 read_exec_only = (ldt_info.flags >> 3) & 1;
3960 limit_in_pages = (ldt_info.flags >> 4) & 1;
3961 seg_not_present = (ldt_info.flags >> 5) & 1;
3962 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3963#ifdef TARGET_ABI32
3964 lm = 0;
3965#else
3966 lm = (ldt_info.flags >> 7) & 1;
3967#endif
6dbad63e
FB		 3968 if (contents == 3) {
3969 if (oldmode)
03acab66 3970 return -TARGET_EINVAL;
6dbad63e 3971 if (seg_not_present == 0)
03acab66 3972 return -TARGET_EINVAL;
6dbad63e
FB		 3973 }
3974 /* allocate the LDT */
3975 if (!ldt_table) {
e441570f
AZ		 3976 env->ldt.base = target_mmap(0,
3977 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3978 PROT_READ|PROT_WRITE,
3979 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3980 if (env->ldt.base == -1)
03acab66 3981 return -TARGET_ENOMEM;
e441570f
AZ		 3982 memset(g2h(env->ldt.base), 0,
3983 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3984 env->ldt.limit = 0xffff;
e441570f 3985 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3986 }
3987
3988 /* NOTE: same code as Linux kernel */
3989 /* Allow LDTs to be cleared by the user. */
3990 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3991 if (oldmode ||
3992 (contents == 0 &&
3993 read_exec_only == 1 &&
3994 seg_32bit == 0 &&
3995 limit_in_pages == 0 &&
3996 seg_not_present == 1 &&
3997 useable == 0 )) {
3998 entry_1 = 0;
3999 entry_2 = 0;
4000 goto install;
4001 }
4002 }
3b46e624 4003
6dbad63e
FB		 4004 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4005 (ldt_info.limit & 0x0ffff);
4006 entry_2 = (ldt_info.base_addr & 0xff000000) |
4007 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4008 (ldt_info.limit & 0xf0000) |
4009 ((read_exec_only ^ 1) << 9) |
4010 (contents << 10) |
4011 ((seg_not_present ^ 1) << 15) |
4012 (seg_32bit << 22) |
4013 (limit_in_pages << 23) |
8d18e893 4014 (lm << 21) |
6dbad63e
FB		 4015 0x7000;
4016 if (!oldmode)
4017 entry_2 |= (useable << 20);
14ae3ba7 4018
6dbad63e
FB		 4019 /* Install the new entry ... */
4020install:
4021 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
4022 lp[0] = tswap32(entry_1);
4023 lp[1] = tswap32(entry_2);
4024 return 0;
4025}
4026
4027/* specific and weird i386 syscalls */
8fcd3692
BS		 4028static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
4029 unsigned long bytecount)
6dbad63e 4030{
03acab66 4031 abi_long ret;
3b46e624 4032
6dbad63e
FB		 4033 switch (func) {
4034 case 0:
4035 ret = read_ldt(ptr, bytecount);
4036 break;
4037 case 1:
4038 ret = write_ldt(env, ptr, bytecount, 1);
4039 break;
4040 case 0x11:
4041 ret = write_ldt(env, ptr, bytecount, 0);
4042 break;
03acab66
FB		 4043 default:
4044 ret = -TARGET_ENOSYS;
4045 break;
6dbad63e
FB		 4046 }
4047 return ret;
4048}
1b6b029e 4049
4583f589 4050#if defined(TARGET_I386) && defined(TARGET_ABI32)
bc22eb44 4051abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4052{
4053 uint64_t *gdt_table = g2h(env->gdt.base);
4054 struct target_modify_ldt_ldt_s ldt_info;
4055 struct target_modify_ldt_ldt_s *target_ldt_info;
4056 int seg_32bit, contents, read_exec_only, limit_in_pages;
4057 int seg_not_present, useable, lm;
4058 uint32_t *lp, entry_1, entry_2;
4059 int i;
4060
4061 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4062 if (!target_ldt_info)
4063 return -TARGET_EFAULT;
4064 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4065 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
8d18e893
FB		 4066 ldt_info.limit = tswap32(target_ldt_info->limit);
4067 ldt_info.flags = tswap32(target_ldt_info->flags);
4068 if (ldt_info.entry_number == -1) {
4069 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
4070 if (gdt_table[i] == 0) {
4071 ldt_info.entry_number = i;
4072 target_ldt_info->entry_number = tswap32(i);
4073 break;
4074 }
4075 }
4076 }
4077 unlock_user_struct(target_ldt_info, ptr, 1);
4078
4079 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
4080 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
4081 return -TARGET_EINVAL;
4082 seg_32bit = ldt_info.flags & 1;
4083 contents = (ldt_info.flags >> 1) & 3;
4084 read_exec_only = (ldt_info.flags >> 3) & 1;
4085 limit_in_pages = (ldt_info.flags >> 4) & 1;
4086 seg_not_present = (ldt_info.flags >> 5) & 1;
4087 useable = (ldt_info.flags >> 6) & 1;
4088#ifdef TARGET_ABI32
4089 lm = 0;
4090#else
4091 lm = (ldt_info.flags >> 7) & 1;
4092#endif
4093
4094 if (contents == 3) {
4095 if (seg_not_present == 0)
4096 return -TARGET_EINVAL;
4097 }
4098
4099 /* NOTE: same code as Linux kernel */
4100 /* Allow LDTs to be cleared by the user. */
4101 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4102 if ((contents == 0 &&
4103 read_exec_only == 1 &&
4104 seg_32bit == 0 &&
4105 limit_in_pages == 0 &&
4106 seg_not_present == 1 &&
4107 useable == 0 )) {
4108 entry_1 = 0;
4109 entry_2 = 0;
4110 goto install;
4111 }
4112 }
4113
4114 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4115 (ldt_info.limit & 0x0ffff);
4116 entry_2 = (ldt_info.base_addr & 0xff000000) |
4117 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4118 (ldt_info.limit & 0xf0000) |
4119 ((read_exec_only ^ 1) << 9) |
4120 (contents << 10) |
4121 ((seg_not_present ^ 1) << 15) |
4122 (seg_32bit << 22) |
4123 (limit_in_pages << 23) |
4124 (useable << 20) |
4125 (lm << 21) |
4126 0x7000;
4127
4128 /* Install the new entry ... */
4129install:
4130 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
4131 lp[0] = tswap32(entry_1);
4132 lp[1] = tswap32(entry_2);
4133 return 0;
4134}
4135
8fcd3692 4136static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4137{
4138 struct target_modify_ldt_ldt_s *target_ldt_info;
4139 uint64_t *gdt_table = g2h(env->gdt.base);
4140 uint32_t base_addr, limit, flags;
4141 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
4142 int seg_not_present, useable, lm;
4143 uint32_t *lp, entry_1, entry_2;
4144
4145 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4146 if (!target_ldt_info)
4147 return -TARGET_EFAULT;
4148 idx = tswap32(target_ldt_info->entry_number);
4149 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
4150 idx > TARGET_GDT_ENTRY_TLS_MAX) {
4151 unlock_user_struct(target_ldt_info, ptr, 1);
4152 return -TARGET_EINVAL;
4153 }
4154 lp = (uint32_t *)(gdt_table + idx);
4155 entry_1 = tswap32(lp[0]);
4156 entry_2 = tswap32(lp[1]);
4157
4158 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
4159 contents = (entry_2 >> 10) & 3;
4160 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
4161 seg_32bit = (entry_2 >> 22) & 1;
4162 limit_in_pages = (entry_2 >> 23) & 1;
4163 useable = (entry_2 >> 20) & 1;
4164#ifdef TARGET_ABI32
4165 lm = 0;
4166#else
4167 lm = (entry_2 >> 21) & 1;
4168#endif
4169 flags = (seg_32bit << 0) | (contents << 1) |
4170 (read_exec_only << 3) | (limit_in_pages << 4) |
4171 (seg_not_present << 5) | (useable << 6) | (lm << 7);
4172 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
4173 base_addr = (entry_1 >> 16) |
4174 (entry_2 & 0xff000000) |
4175 ((entry_2 & 0xff) << 16);
cbb21eed 4176 target_ldt_info->base_addr = tswapal(base_addr);
8d18e893
FB		 4177 target_ldt_info->limit = tswap32(limit);
4178 target_ldt_info->flags = tswap32(flags);
4179 unlock_user_struct(target_ldt_info, ptr, 1);
4180 return 0;
4181}
4583f589 4182#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 4183
d2fd1af7 4184#ifndef TARGET_ABI32
2667e71c 4185abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7 4186{
1add8698 4187 abi_long ret = 0;
d2fd1af7
FB		 4188 abi_ulong val;
4189 int idx;
1add8698 4190
d2fd1af7
FB		 4191 switch(code) {
4192 case TARGET_ARCH_SET_GS:
4193 case TARGET_ARCH_SET_FS:
4194 if (code == TARGET_ARCH_SET_GS)
4195 idx = R_GS;
4196 else
4197 idx = R_FS;
4198 cpu_x86_load_seg(env, idx, 0);
4199 env->segs[idx].base = addr;
4200 break;
4201 case TARGET_ARCH_GET_GS:
4202 case TARGET_ARCH_GET_FS:
4203 if (code == TARGET_ARCH_GET_GS)
4204 idx = R_GS;
4205 else
4206 idx = R_FS;
4207 val = env->segs[idx].base;
4208 if (put_user(val, addr, abi_ulong))
1add8698 4209 ret = -TARGET_EFAULT;
d2fd1af7
FB		 4210 break;
4211 default:
4212 ret = -TARGET_EINVAL;
4213 break;
4214 }
1add8698 4215 return ret;
d2fd1af7
FB		 4216}
4217#endif
4218
2ab83ea7
FB		 4219#endif /* defined(TARGET_I386) */
4220
05098a93 4221#define NEW_STACK_SIZE 0x40000
d865bab5 4222
d865bab5
PB		 4223
4224static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
4225typedef struct {
9349b4f9 4226 CPUArchState *env;
d865bab5
PB		 4227 pthread_mutex_t mutex;
4228 pthread_cond_t cond;
4229 pthread_t thread;
4230 uint32_t tid;
4231 abi_ulong child_tidptr;
4232 abi_ulong parent_tidptr;
4233 sigset_t sigmask;
4234} new_thread_info;
4235
4236static void *clone_func(void *arg)
4237{
4238 new_thread_info *info = arg;
9349b4f9 4239 CPUArchState *env;
0d34282f 4240 CPUState *cpu;
edf8e2af 4241 TaskState *ts;
d865bab5
PB		 4242
4243 env = info->env;
0d34282f 4244 cpu = ENV_GET_CPU(env);
a2247f8e
AF		 4245 thread_cpu = cpu;
4246 ts = (TaskState *)env->opaque;
d865bab5 4247 info->tid = gettid();
0d34282f 4248 cpu->host_tid = info->tid;
edf8e2af 4249 task_settid(ts);
d865bab5
PB		 4250 if (info->child_tidptr)
4251 put_user_u32(info->tid, info->child_tidptr);
4252 if (info->parent_tidptr)
4253 put_user_u32(info->tid, info->parent_tidptr);
4254 /* Enable signals. */
4255 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
4256 /* Signal to the parent that we're ready. */
4257 pthread_mutex_lock(&info->mutex);
4258 pthread_cond_broadcast(&info->cond);
4259 pthread_mutex_unlock(&info->mutex);
4260 /* Wait until the parent has finshed initializing the tls state. */
4261 pthread_mutex_lock(&clone_lock);
4262 pthread_mutex_unlock(&clone_lock);
4263 cpu_loop(env);
4264 /* never exits */
4265 return NULL;
4266}
1b6b029e 4267
0da46a6e
TS		 4268/* do_fork() Must return host values and target errnos (unlike most
4269 do_*() functions). */
9349b4f9 4270static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
d865bab5
PB		 4271 abi_ulong parent_tidptr, target_ulong newtls,
4272 abi_ulong child_tidptr)
1b6b029e
FB		 4273{
4274 int ret;
5cd4393b 4275 TaskState *ts;
9349b4f9 4276 CPUArchState *new_env;
d865bab5
PB		 4277 unsigned int nptl_flags;
4278 sigset_t sigmask;
3b46e624 4279
436d124b
AZ		 4280 /* Emulate vfork() with fork() */
4281 if (flags & CLONE_VFORK)
4282 flags &= ~(CLONE_VFORK | CLONE_VM);
4283
1b6b029e 4284 if (flags & CLONE_VM) {
edf8e2af 4285 TaskState *parent_ts = (TaskState *)env->opaque;
d865bab5
PB		 4286 new_thread_info info;
4287 pthread_attr_t attr;
24cb36a6 4288
7267c094 4289 ts = g_malloc0(sizeof(TaskState));
624f7979 4290 init_task_state(ts);
1b6b029e 4291 /* we create a new CPU instance. */
c5be9f08 4292 new_env = cpu_copy(env);
6e68e076
PB		 4293 /* Init regs that differ from the parent. */
4294 cpu_clone_regs(new_env, newsp);
5cd4393b 4295 new_env->opaque = ts;
edf8e2af
MW		 4296 ts->bprm = parent_ts->bprm;
4297 ts->info = parent_ts->info;
d865bab5
PB		 4298 nptl_flags = flags;
4299 flags &= ~CLONE_NPTL_FLAGS2;
4300
c2764719
PB		 4301 if (nptl_flags & CLONE_CHILD_CLEARTID) {
4302 ts->child_tidptr = child_tidptr;
4303 }
4304
d865bab5
PB		 4305 if (nptl_flags & CLONE_SETTLS)
4306 cpu_set_tls (new_env, newtls);
4307
4308 /* Grab a mutex so that thread setup appears atomic. */
4309 pthread_mutex_lock(&clone_lock);
4310
4311 memset(&info, 0, sizeof(info));
4312 pthread_mutex_init(&info.mutex, NULL);
4313 pthread_mutex_lock(&info.mutex);
4314 pthread_cond_init(&info.cond, NULL);
4315 info.env = new_env;
4316 if (nptl_flags & CLONE_CHILD_SETTID)
4317 info.child_tidptr = child_tidptr;
4318 if (nptl_flags & CLONE_PARENT_SETTID)
4319 info.parent_tidptr = parent_tidptr;
4320
4321 ret = pthread_attr_init(&attr);
48e15fc2
NF		 4322 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
4323 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
d865bab5
PB		 4324 /* It is not safe to deliver signals until the child has finished
4325 initializing, so temporarily block all signals. */
4326 sigfillset(&sigmask);
4327 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
4328
4329 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 4330 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 4331
4332 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
4333 pthread_attr_destroy(&attr);
4334 if (ret == 0) {
4335 /* Wait for the child to initialize. */
4336 pthread_cond_wait(&info.cond, &info.mutex);
4337 ret = info.tid;
4338 if (flags & CLONE_PARENT_SETTID)
4339 put_user_u32(ret, parent_tidptr);
4340 } else {
4341 ret = -1;
4342 }
4343 pthread_mutex_unlock(&info.mutex);
4344 pthread_cond_destroy(&info.cond);
4345 pthread_mutex_destroy(&info.mutex);
4346 pthread_mutex_unlock(&clone_lock);
1b6b029e
FB		 4347 } else {
4348 /* if no CLONE_VM, we consider it is a fork */
d865bab5 4349 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 4350 return -EINVAL;
d865bab5 4351 fork_start();
1b6b029e 4352 ret = fork();
d865bab5 4353 if (ret == 0) {
2b1319c8 4354 /* Child Process. */
d865bab5
PB		 4355 cpu_clone_regs(env, newsp);
4356 fork_end(1);
2b1319c8
AJ		 4357 /* There is a race condition here. The parent process could
4358 theoretically read the TID in the child process before the child
4359 tid is set. This would require using either ptrace
4360 (not implemented) or having *_tidptr to point at a shared memory
4361 mapping. We can't repeat the spinlock hack used above because
4362 the child process gets its own copy of the lock. */
d865bab5
PB		 4363 if (flags & CLONE_CHILD_SETTID)
4364 put_user_u32(gettid(), child_tidptr);
4365 if (flags & CLONE_PARENT_SETTID)
4366 put_user_u32(gettid(), parent_tidptr);
4367 ts = (TaskState *)env->opaque;
4368 if (flags & CLONE_SETTLS)
4369 cpu_set_tls (env, newtls);
c2764719
PB		 4370 if (flags & CLONE_CHILD_CLEARTID)
4371 ts->child_tidptr = child_tidptr;
d865bab5
PB		 4372 } else {
4373 fork_end(0);
4374 }
1b6b029e
FB		 4375 }
4376 return ret;
4377}
4378
5f106811
APR		 4379/* warning : doesn't handle linux specific flags... */
4380static int target_to_host_fcntl_cmd(int cmd)
4381{
4382 switch(cmd) {
4383 case TARGET_F_DUPFD:
4384 case TARGET_F_GETFD:
4385 case TARGET_F_SETFD:
4386 case TARGET_F_GETFL:
4387 case TARGET_F_SETFL:
4388 return cmd;
4389 case TARGET_F_GETLK:
4390 return F_GETLK;
4391 case TARGET_F_SETLK:
4392 return F_SETLK;
4393 case TARGET_F_SETLKW:
4394 return F_SETLKW;
4395 case TARGET_F_GETOWN:
4396 return F_GETOWN;
4397 case TARGET_F_SETOWN:
4398 return F_SETOWN;
4399 case TARGET_F_GETSIG:
4400 return F_GETSIG;
4401 case TARGET_F_SETSIG:
4402 return F_SETSIG;
4403#if TARGET_ABI_BITS == 32
4404 case TARGET_F_GETLK64:
4405 return F_GETLK64;
4406 case TARGET_F_SETLK64:
4407 return F_SETLK64;
4408 case TARGET_F_SETLKW64:
4409 return F_SETLKW64;
4410#endif
7e22e546
UH		 4411 case TARGET_F_SETLEASE:
4412 return F_SETLEASE;
4413 case TARGET_F_GETLEASE:
4414 return F_GETLEASE;
fbd5de9b 4415#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 4416 case TARGET_F_DUPFD_CLOEXEC:
4417 return F_DUPFD_CLOEXEC;
fbd5de9b 4418#endif
7e22e546
UH		 4419 case TARGET_F_NOTIFY:
4420 return F_NOTIFY;
5f106811
APR		 4421 default:
4422 return -TARGET_EINVAL;
4423 }
4424 return -TARGET_EINVAL;
4425}
4426
2ba7f730
LV		 4427#define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
4428static const bitmask_transtbl flock_tbl[] = {
4429 TRANSTBL_CONVERT(F_RDLCK),
4430 TRANSTBL_CONVERT(F_WRLCK),
4431 TRANSTBL_CONVERT(F_UNLCK),
4432 TRANSTBL_CONVERT(F_EXLCK),
4433 TRANSTBL_CONVERT(F_SHLCK),
4434 { 0, 0, 0, 0 }
4435};
4436
992f48a0 4437static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 4438{
4439 struct flock fl;
53a5960a 4440 struct target_flock *target_fl;
43f238d7
TS		 4441 struct flock64 fl64;
4442 struct target_flock64 *target_fl64;
992f48a0 4443 abi_long ret;
5f106811
APR		 4444 int host_cmd = target_to_host_fcntl_cmd(cmd);
4445
4446 if (host_cmd == -TARGET_EINVAL)
4447 return host_cmd;
53a5960a 4448
7775e9ec
FB		 4449 switch(cmd) {
4450 case TARGET_F_GETLK:
579a97f7
FB		 4451 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4452 return -TARGET_EFAULT;
2ba7f730
LV		 4453 fl.l_type =
4454 target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
5813427b 4455 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4456 fl.l_start = tswapal(target_fl->l_start);
4457 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4458 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 4459 unlock_user_struct(target_fl, arg, 0);
5f106811 4460 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4461 if (ret == 0) {
579a97f7
FB		 4462 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
4463 return -TARGET_EFAULT;
2ba7f730
LV		 4464 target_fl->l_type =
4465 host_to_target_bitmask(tswap16(fl.l_type), flock_tbl);
7775e9ec 4466 target_fl->l_whence = tswap16(fl.l_whence);
cbb21eed
MB		 4467 target_fl->l_start = tswapal(fl.l_start);
4468 target_fl->l_len = tswapal(fl.l_len);
7e22e546 4469 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 4470 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 4471 }
4472 break;
3b46e624 4473
7775e9ec
FB		 4474 case TARGET_F_SETLK:
4475 case TARGET_F_SETLKW:
579a97f7
FB		 4476 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4477 return -TARGET_EFAULT;
2ba7f730
LV		 4478 fl.l_type =
4479 target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
7775e9ec 4480 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4481 fl.l_start = tswapal(target_fl->l_start);
4482 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4483 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 4484 unlock_user_struct(target_fl, arg, 0);
5f106811 4485 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4486 break;
3b46e624 4487
7775e9ec 4488 case TARGET_F_GETLK64:
579a97f7
FB		 4489 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4490 return -TARGET_EFAULT;
2ba7f730
LV		 4491 fl64.l_type =
4492 target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
5813427b 4493 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4494 fl64.l_start = tswap64(target_fl64->l_start);
4495 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4496 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 4497 unlock_user_struct(target_fl64, arg, 0);
5f106811 4498 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 4499 if (ret == 0) {
579a97f7
FB		 4500 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
4501 return -TARGET_EFAULT;
2ba7f730
LV		 4502 target_fl64->l_type =
4503 host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1;
43f238d7 4504 target_fl64->l_whence = tswap16(fl64.l_whence);
cbb21eed
MB		 4505 target_fl64->l_start = tswap64(fl64.l_start);
4506 target_fl64->l_len = tswap64(fl64.l_len);
7e22e546 4507 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 4508 unlock_user_struct(target_fl64, arg, 1);
4509 }
9ee1fa2c 4510 break;
7775e9ec
FB		 4511 case TARGET_F_SETLK64:
4512 case TARGET_F_SETLKW64:
579a97f7
FB		 4513 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4514 return -TARGET_EFAULT;
2ba7f730
LV		 4515 fl64.l_type =
4516 target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
43f238d7 4517 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4518 fl64.l_start = tswap64(target_fl64->l_start);
4519 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4520 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 4521 unlock_user_struct(target_fl64, arg, 0);
5f106811 4522 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 4523 break;
4524
5f106811
APR		 4525 case TARGET_F_GETFL:
4526 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 4527 if (ret >= 0) {
4528 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4529 }
ffa65c3b
FB		 4530 break;
4531
5f106811
APR		 4532 case TARGET_F_SETFL:
4533 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4534 break;
4535
4536 case TARGET_F_SETOWN:
4537 case TARGET_F_GETOWN:
4538 case TARGET_F_SETSIG:
4539 case TARGET_F_GETSIG:
7e22e546
UH		 4540 case TARGET_F_SETLEASE:
4541 case TARGET_F_GETLEASE:
5f106811 4542 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 4543 break;
4544
7775e9ec 4545 default:
9ee1fa2c 4546 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 4547 break;
4548 }
4549 return ret;
4550}
4551
67867308 4552#ifdef USE_UID16
7775e9ec 4553
67867308
FB		 4554static inline int high2lowuid(int uid)
4555{
4556 if (uid > 65535)
4557 return 65534;
4558 else
4559 return uid;
4560}
4561
4562static inline int high2lowgid(int gid)
4563{
4564 if (gid > 65535)
4565 return 65534;
4566 else
4567 return gid;
4568}
4569
4570static inline int low2highuid(int uid)
4571{
4572 if ((int16_t)uid == -1)
4573 return -1;
4574 else
4575 return uid;
4576}
4577
4578static inline int low2highgid(int gid)
4579{
4580 if ((int16_t)gid == -1)
4581 return -1;
4582 else
4583 return gid;
4584}
0c866a7e
RV		 4585static inline int tswapid(int id)
4586{
4587 return tswap16(id);
4588}
76ca310a
PM		 4589
4590#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
4591
0c866a7e
RV		 4592#else /* !USE_UID16 */
4593static inline int high2lowuid(int uid)
4594{
4595 return uid;
4596}
4597static inline int high2lowgid(int gid)
4598{
4599 return gid;
4600}
4601static inline int low2highuid(int uid)
4602{
4603 return uid;
4604}
4605static inline int low2highgid(int gid)
4606{
4607 return gid;
4608}
4609static inline int tswapid(int id)
4610{
4611 return tswap32(id);
4612}
76ca310a
PM		 4613
4614#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
4615
67867308 4616#endif /* USE_UID16 */
1b6b029e 4617
31e31b8a
FB		 4618void syscall_init(void)
4619{
2ab83ea7
FB		 4620 IOCTLEntry *ie;
4621 const argtype *arg_type;
4622 int size;
b92c47c1 4623 int i;
2ab83ea7 4624
001faf32 4625#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 4626#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 4627#include "syscall_types.h"
4628#undef STRUCT
4629#undef STRUCT_SPECIAL
2ab83ea7 4630
dd6e957a
PM		 4631 /* Build target_to_host_errno_table[] table from
4632 * host_to_target_errno_table[]. */
4633 for (i = 0; i < ERRNO_TABLE_SIZE; i++) {
4634 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4635 }
4636
2ab83ea7
FB		 4637 /* we patch the ioctl size if necessary. We rely on the fact that
4638 no ioctl has all the bits at '1' in the size field */
4639 ie = ioctl_entries;
4640 while (ie->target_cmd != 0) {
4641 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4642 TARGET_IOC_SIZEMASK) {
4643 arg_type = ie->arg_type;
4644 if (arg_type[0] != TYPE_PTR) {
5fafdf24 4645 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 4646 ie->target_cmd);
4647 exit(1);
4648 }
4649 arg_type++;
4650 size = thunk_type_size(arg_type, 0);
5fafdf24 4651 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 4652 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4653 (size << TARGET_IOC_SIZESHIFT);
4654 }
b92c47c1 4655
2ab83ea7 4656 /* automatic consistency check if same arch */
872ea0c0
AZ		 4657#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4658 (defined(__x86_64__) && defined(TARGET_X86_64))
4659 if (unlikely(ie->target_cmd != ie->host_cmd)) {
4660 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4661 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 4662 }
4663#endif
4664 ie++;
4665 }
31e31b8a 4666}
c573ff67 4667
992f48a0 4668#if TARGET_ABI_BITS == 32
ce4defa0
PB		 4669static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4670{
af325d36 4671#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 4672 return ((uint64_t)word0 << 32) | word1;
4673#else
4674 return ((uint64_t)word1 << 32) | word0;
4675#endif
4676}
992f48a0 4677#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 4678static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4679{
4680 return word0;
4681}
992f48a0 4682#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 4683
4684#ifdef TARGET_NR_truncate64
992f48a0
BS		 4685static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4686 abi_long arg2,
4687 abi_long arg3,
4688 abi_long arg4)
ce4defa0 4689{
48e515d4 4690 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4691 arg2 = arg3;
4692 arg3 = arg4;
48e515d4 4693 }
ce4defa0
PB		 4694 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4695}
4696#endif
4697
4698#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 4699static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4700 abi_long arg2,
4701 abi_long arg3,
4702 abi_long arg4)
ce4defa0 4703{
48e515d4 4704 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4705 arg2 = arg3;
4706 arg3 = arg4;
48e515d4 4707 }
ce4defa0
PB		 4708 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4709}
4710#endif
4711
579a97f7
FB		 4712static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4713 abi_ulong target_addr)
53a5960a
PB		 4714{
4715 struct target_timespec *target_ts;
4716
579a97f7
FB		 4717 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4718 return -TARGET_EFAULT;
cbb21eed
MB		 4719 host_ts->tv_sec = tswapal(target_ts->tv_sec);
4720 host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
53a5960a 4721 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 4722 return 0;
53a5960a
PB		 4723}
4724
579a97f7
FB		 4725static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4726 struct timespec *host_ts)
53a5960a
PB		 4727{
4728 struct target_timespec *target_ts;
4729
579a97f7
FB		 4730 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4731 return -TARGET_EFAULT;
cbb21eed
MB		 4732 target_ts->tv_sec = tswapal(host_ts->tv_sec);
4733 target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
53a5960a 4734 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 4735 return 0;
53a5960a
PB		 4736}
4737
f4f1e10a
ECL		 4738static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec,
4739 abi_ulong target_addr)
4740{
4741 struct target_itimerspec *target_itspec;
4742
4743 if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) {
4744 return -TARGET_EFAULT;
4745 }
4746
4747 host_itspec->it_interval.tv_sec =
4748 tswapal(target_itspec->it_interval.tv_sec);
4749 host_itspec->it_interval.tv_nsec =
4750 tswapal(target_itspec->it_interval.tv_nsec);
4751 host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec);
4752 host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec);
4753
4754 unlock_user_struct(target_itspec, target_addr, 1);
4755 return 0;
4756}
4757
4758static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
4759 struct itimerspec *host_its)
4760{
4761 struct target_itimerspec *target_itspec;
4762
4763 if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) {
4764 return -TARGET_EFAULT;
4765 }
4766
4767 target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec);
4768 target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec);
4769
4770 target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec);
4771 target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec);
4772
4773 unlock_user_struct(target_itspec, target_addr, 0);
4774 return 0;
4775}
4776
9d33b76b 4777#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 4778static inline abi_long host_to_target_stat64(void *cpu_env,
4779 abi_ulong target_addr,
4780 struct stat *host_st)
4781{
09701199 4782#if defined(TARGET_ARM) && defined(TARGET_ABI32)
6a24a778
AZ		 4783 if (((CPUARMState *)cpu_env)->eabi) {
4784 struct target_eabi_stat64 *target_st;
4785
4786 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4787 return -TARGET_EFAULT;
4788 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4789 __put_user(host_st->st_dev, &target_st->st_dev);
4790 __put_user(host_st->st_ino, &target_st->st_ino);
4791#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4792 __put_user(host_st->st_ino, &target_st->__st_ino);
4793#endif
4794 __put_user(host_st->st_mode, &target_st->st_mode);
4795 __put_user(host_st->st_nlink, &target_st->st_nlink);
4796 __put_user(host_st->st_uid, &target_st->st_uid);
4797 __put_user(host_st->st_gid, &target_st->st_gid);
4798 __put_user(host_st->st_rdev, &target_st->st_rdev);
4799 __put_user(host_st->st_size, &target_st->st_size);
4800 __put_user(host_st->st_blksize, &target_st->st_blksize);
4801 __put_user(host_st->st_blocks, &target_st->st_blocks);
4802 __put_user(host_st->st_atime, &target_st->target_st_atime);
4803 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4804 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4805 unlock_user_struct(target_st, target_addr, 1);
4806 } else
4807#endif
4808 {
20d155bc 4809#if defined(TARGET_HAS_STRUCT_STAT64)
6a24a778 4810 struct target_stat64 *target_st;
20d155bc
SW		 4811#else
4812 struct target_stat *target_st;
9d33b76b 4813#endif
6a24a778
AZ		 4814
4815 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4816 return -TARGET_EFAULT;
9d33b76b 4817 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4818 __put_user(host_st->st_dev, &target_st->st_dev);
4819 __put_user(host_st->st_ino, &target_st->st_ino);
4820#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4821 __put_user(host_st->st_ino, &target_st->__st_ino);
4822#endif
4823 __put_user(host_st->st_mode, &target_st->st_mode);
4824 __put_user(host_st->st_nlink, &target_st->st_nlink);
4825 __put_user(host_st->st_uid, &target_st->st_uid);
4826 __put_user(host_st->st_gid, &target_st->st_gid);
4827 __put_user(host_st->st_rdev, &target_st->st_rdev);
4828 /* XXX: better use of kernel struct */
4829 __put_user(host_st->st_size, &target_st->st_size);
4830 __put_user(host_st->st_blksize, &target_st->st_blksize);
4831 __put_user(host_st->st_blocks, &target_st->st_blocks);
4832 __put_user(host_st->st_atime, &target_st->target_st_atime);
4833 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4834 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4835 unlock_user_struct(target_st, target_addr, 1);
4836 }
4837
4838 return 0;
4839}
4840#endif
4841
bd0c5661
PB		 4842/* ??? Using host futex calls even when target atomic operations
4843 are not really atomic probably breaks things. However implementing
4844 futexes locally would make futexes shared between multiple processes
4845 tricky. However they're probably useless because guest atomic
4846 operations won't work either. */
8fcd3692
BS		 4847static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4848 target_ulong uaddr2, int val3)
bd0c5661
PB		 4849{
4850 struct timespec ts, *pts;
a16aae0c 4851 int base_op;
bd0c5661
PB		 4852
4853 /* ??? We assume FUTEX_* constants are the same on both host
4854 and target. */
a29ccd63 4855#ifdef FUTEX_CMD_MASK
a16aae0c 4856 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4857#else
a16aae0c 4858 base_op = op;
a29ccd63 4859#endif
a16aae0c 4860 switch (base_op) {
bd0c5661 4861 case FUTEX_WAIT:
cce246e0 4862 case FUTEX_WAIT_BITSET:
bd0c5661
PB		 4863 if (timeout) {
4864 pts = &ts;
4865 target_to_host_timespec(pts, timeout);
4866 } else {
4867 pts = NULL;
4868 }
a29ccd63 4869 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
cce246e0 4870 pts, NULL, val3));
bd0c5661 4871 case FUTEX_WAKE:
a29ccd63 4872 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4873 case FUTEX_FD:
a29ccd63 4874 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4875 case FUTEX_REQUEUE:
bd0c5661 4876 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4877 case FUTEX_WAKE_OP:
4878 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4879 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4880 But the prototype takes a `struct timespec *'; insert casts
4881 to satisfy the compiler. We do not need to tswap TIMEOUT
4882 since it's not compared to guest memory. */
4883 pts = (struct timespec *)(uintptr_t) timeout;
4884 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4885 g2h(uaddr2),
4886 (base_op == FUTEX_CMP_REQUEUE
4887 ? tswap32(val3)
4888 : val3)));
bd0c5661
PB		 4889 default:
4890 return -TARGET_ENOSYS;
4891 }
4892}
bd0c5661 4893
1d9d8b55
PB		 4894/* Map host to target signal numbers for the wait family of syscalls.
4895 Assume all other status bits are the same. */
a05c6409 4896int host_to_target_waitstatus(int status)
1d9d8b55
PB		 4897{
4898 if (WIFSIGNALED(status)) {
4899 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4900 }
4901 if (WIFSTOPPED(status)) {
4902 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4903 | (status & 0xff);
4904 }
4905 return status;
4906}
4907
4a24a758
PM		 4908static int relstr_to_int(const char *s)
4909{
4910 /* Convert a uname release string like "2.6.18" to an integer
4911 * of the form 0x020612. (Beware that 0x020612 is *not* 2.6.12.)
4912 */
4913 int i, n, tmp;
4914
4915 tmp = 0;
4916 for (i = 0; i < 3; i++) {
4917 n = 0;
4918 while (*s >= '0' && *s <= '9') {
4919 n *= 10;
4920 n += *s - '0';
4921 s++;
4922 }
4923 tmp = (tmp << 8) + n;
4924 if (*s == '.') {
4925 s++;
4926 }
4927 }
4928 return tmp;
4929}
4930
a745ec6d
PB		 4931int get_osversion(void)
4932{
4933 static int osversion;
4934 struct new_utsname buf;
4935 const char *s;
4a24a758 4936
a745ec6d
PB		 4937 if (osversion)
4938 return osversion;
4939 if (qemu_uname_release && *qemu_uname_release) {
4940 s = qemu_uname_release;
4941 } else {
4942 if (sys_uname(&buf))
4943 return 0;
4944 s = buf.release;
4945 }
4a24a758 4946 osversion = relstr_to_int(s);
a745ec6d
PB		 4947 return osversion;
4948}
4949
4a24a758
PM		 4950void init_qemu_uname_release(void)
4951{
4952 /* Initialize qemu_uname_release for later use.
4953 * If the host kernel is too old and the user hasn't asked for
4954 * a specific fake version number, we might want to fake a minimum
4955 * target kernel version.
4956 */
4957#ifdef UNAME_MINIMUM_RELEASE
4958 struct new_utsname buf;
4959
4960 if (qemu_uname_release && *qemu_uname_release) {
4961 return;
4962 }
4963
4964 if (sys_uname(&buf)) {
4965 return;
4966 }
4967
4968 if (relstr_to_int(buf.release) < relstr_to_int(UNAME_MINIMUM_RELEASE)) {
4969 qemu_uname_release = UNAME_MINIMUM_RELEASE;
4970 }
4971#endif
4972}
36c08d49
AG		 4973
4974static int open_self_maps(void *cpu_env, int fd)
4975{
1a49ef2a 4976#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
9349b4f9 4977 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
1a49ef2a
AG		 4978#endif
4979 FILE *fp;
4980 char *line = NULL;
4981 size_t len = 0;
4982 ssize_t read;
4983
4984 fp = fopen("/proc/self/maps", "r");
4985 if (fp == NULL) {
4986 return -EACCES;
4987 }
36c08d49 4988
1a49ef2a
AG		 4989 while ((read = getline(&line, &len, fp)) != -1) {
4990 int fields, dev_maj, dev_min, inode;
4991 uint64_t min, max, offset;
4992 char flag_r, flag_w, flag_x, flag_p;
4993 char path[512] = "";
4994 fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
4995 " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
4996 &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
4997
4998 if ((fields < 10) || (fields > 11)) {
4999 continue;
5000 }
5001 if (!strncmp(path, "[stack]", 7)) {
5002 continue;
5003 }
5004 if (h2g_valid(min) && h2g_valid(max)) {
5005 dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
e24fed4e 5006 " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n",
1a49ef2a
AG		 5007 h2g(min), h2g(max), flag_r, flag_w,
5008 flag_x, flag_p, offset, dev_maj, dev_min, inode,
e24fed4e 5009 path[0] ? " " : "", path);
1a49ef2a
AG		 5010 }
5011 }
5012
5013 free(line);
5014 fclose(fp);
5015
5016#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
36c08d49
AG		 5017 dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
5018 (unsigned long long)ts->info->stack_limit,
1bdd7c7e
AG		 5019 (unsigned long long)(ts->info->start_stack +
5020 (TARGET_PAGE_SIZE - 1)) & TARGET_PAGE_MASK,
1a49ef2a
AG		 5021 (unsigned long long)0);
5022#endif
36c08d49
AG		 5023
5024 return 0;
5025}
5026
480b8e7d
AG		 5027static int open_self_stat(void *cpu_env, int fd)
5028{
9349b4f9 5029 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
480b8e7d
AG		 5030 abi_ulong start_stack = ts->info->start_stack;
5031 int i;
5032
5033 for (i = 0; i < 44; i++) {
5034 char buf[128];
5035 int len;
5036 uint64_t val = 0;
5037
e0e65bee
FE		 5038 if (i == 0) {
5039 /* pid */
5040 val = getpid();
5041 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5042 } else if (i == 1) {
5043 /* app name */
5044 snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
5045 } else if (i == 27) {
5046 /* stack bottom */
5047 val = start_stack;
5048 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5049 } else {
5050 /* for the rest, there is MasterCard */
5051 snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
480b8e7d 5052 }
e0e65bee 5053
480b8e7d
AG		 5054 len = strlen(buf);
5055 if (write(fd, buf, len) != len) {
5056 return -1;
5057 }
5058 }
5059
5060 return 0;
5061}
5062
257450ee
AG		 5063static int open_self_auxv(void *cpu_env, int fd)
5064{
9349b4f9 5065 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
257450ee
AG		 5066 abi_ulong auxv = ts->info->saved_auxv;
5067 abi_ulong len = ts->info->auxv_len;
5068 char *ptr;
5069
5070 /*
5071 * Auxiliary vector is stored in target process stack.
5072 * read in whole auxv vector and copy it to file
5073 */
5074 ptr = lock_user(VERIFY_READ, auxv, len, 0);
5075 if (ptr != NULL) {
5076 while (len > 0) {
5077 ssize_t r;
5078 r = write(fd, ptr, len);
5079 if (r <= 0) {
5080 break;
5081 }
5082 len -= r;
5083 ptr += r;
5084 }
5085 lseek(fd, 0, SEEK_SET);
5086 unlock_user(ptr, auxv, len);
5087 }
5088
5089 return 0;
5090}
5091
463d8e73
AS		 5092static int is_proc_myself(const char *filename, const char *entry)
5093{
5094 if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
5095 filename += strlen("/proc/");
5096 if (!strncmp(filename, "self/", strlen("self/"))) {
5097 filename += strlen("self/");
5098 } else if (*filename >= '1' && *filename <= '9') {
5099 char myself[80];
5100 snprintf(myself, sizeof(myself), "%d/", getpid());
5101 if (!strncmp(filename, myself, strlen(myself))) {
5102 filename += strlen(myself);
5103 } else {
5104 return 0;
5105 }
5106 } else {
5107 return 0;
5108 }
5109 if (!strcmp(filename, entry)) {
5110 return 1;
5111 }
5112 }
5113 return 0;
5114}
5115
de6b9933
LV		 5116#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
5117static int is_proc(const char *filename, const char *entry)
5118{
5119 return strcmp(filename, entry) == 0;
5120}
5121
5122static int open_net_route(void *cpu_env, int fd)
5123{
5124 FILE *fp;
5125 char *line = NULL;
5126 size_t len = 0;
5127 ssize_t read;
5128
5129 fp = fopen("/proc/net/route", "r");
5130 if (fp == NULL) {
5131 return -EACCES;
5132 }
5133
5134 /* read header */
5135
5136 read = getline(&line, &len, fp);
5137 dprintf(fd, "%s", line);
5138
5139 /* read routes */
5140
5141 while ((read = getline(&line, &len, fp)) != -1) {
5142 char iface[16];
5143 uint32_t dest, gw, mask;
5144 unsigned int flags, refcnt, use, metric, mtu, window, irtt;
5145 sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
5146 iface, &dest, &gw, &flags, &refcnt, &use, &metric,
5147 &mask, &mtu, &window, &irtt);
5148 dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
5149 iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
5150 metric, tswap32(mask), mtu, window, irtt);
5151 }
5152
5153 free(line);
5154 fclose(fp);
5155
5156 return 0;
5157}
5158#endif
5159
3be14d05
AG		 5160static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode)
5161{
5162 struct fake_open {
5163 const char *filename;
5164 int (*fill)(void *cpu_env, int fd);
de6b9933 5165 int (*cmp)(const char *s1, const char *s2);
3be14d05
AG		 5166 };
5167 const struct fake_open *fake_open;
5168 static const struct fake_open fakes[] = {
de6b9933
LV		 5169 { "maps", open_self_maps, is_proc_myself },
5170 { "stat", open_self_stat, is_proc_myself },
5171 { "auxv", open_self_auxv, is_proc_myself },
5172#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
5173 { "/proc/net/route", open_net_route, is_proc },
5174#endif
5175 { NULL, NULL, NULL }
3be14d05
AG		 5176 };
5177
5178 for (fake_open = fakes; fake_open->filename; fake_open++) {
de6b9933 5179 if (fake_open->cmp(pathname, fake_open->filename)) {
3be14d05
AG		 5180 break;
5181 }
5182 }
5183
5184 if (fake_open->filename) {
5185 const char *tmpdir;
5186 char filename[PATH_MAX];
5187 int fd, r;
5188
5189 /* create temporary file to map stat to */
5190 tmpdir = getenv("TMPDIR");
5191 if (!tmpdir)
5192 tmpdir = "/tmp";
5193 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
5194 fd = mkstemp(filename);
5195 if (fd < 0) {
5196 return fd;
5197 }
5198 unlink(filename);
5199
5200 if ((r = fake_open->fill(cpu_env, fd))) {
5201 close(fd);
5202 return r;
5203 }
5204 lseek(fd, 0, SEEK_SET);
5205
5206 return fd;
5207 }
5208
5209 return get_errno(open(path(pathname), flags, mode));
5210}
5211
0da46a6e
TS		 5212/* do_syscall() should always have a single exit point at the end so
5213 that actions, such as logging of syscall results, can be performed.
5214 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 5215abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
5216 abi_long arg2, abi_long arg3, abi_long arg4,
5945cfcb
PM		 5217 abi_long arg5, abi_long arg6, abi_long arg7,
5218 abi_long arg8)
31e31b8a 5219{
182735ef 5220 CPUState *cpu = ENV_GET_CPU(cpu_env);
992f48a0 5221 abi_long ret;
31e31b8a 5222 struct stat st;
56c8f68f 5223 struct statfs stfs;
53a5960a 5224 void *p;
3b46e624 5225
72f03900 5226#ifdef DEBUG
c573ff67 5227 gemu_log("syscall %d", num);
72f03900 5228#endif
b92c47c1
TS		 5229 if(do_strace)
5230 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
5231
31e31b8a
FB		 5232 switch(num) {
5233 case TARGET_NR_exit:
9b056fcc
AF		 5234 /* In old applications this may be used to implement _exit(2).
5235 However in threaded applictions it is used for thread termination,
5236 and _exit_group is used for application termination.
5237 Do thread termination if we have more then one thread. */
5238 /* FIXME: This probably breaks if a signal arrives. We should probably
5239 be disabling signals. */
bdc44640 5240 if (CPU_NEXT(first_cpu)) {
9b056fcc 5241 TaskState *ts;
9b056fcc
AF		 5242
5243 cpu_list_lock();
9b056fcc 5244 /* Remove the CPU from the list. */
bdc44640 5245 QTAILQ_REMOVE(&cpus, cpu, node);
9b056fcc
AF		 5246 cpu_list_unlock();
5247 ts = ((CPUArchState *)cpu_env)->opaque;
5248 if (ts->child_tidptr) {
5249 put_user_u32(0, ts->child_tidptr);
5250 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
5251 NULL, NULL, 0);
5252 }
a2247f8e 5253 thread_cpu = NULL;
9b056fcc
AF		 5254 object_unref(OBJECT(ENV_GET_CPU(cpu_env)));
5255 g_free(ts);
5256 pthread_exit(NULL);
5257 }
9788c9ca 5258#ifdef TARGET_GPROF
7d13299d
FB		 5259 _mcleanup();
5260#endif
e9009676 5261 gdb_exit(cpu_env, arg1);
c2764719 5262 _exit(arg1);
31e31b8a
FB		 5263 ret = 0; /* avoid warning */
5264 break;
5265 case TARGET_NR_read:
38d840e6
AJ		 5266 if (arg3 == 0)
5267 ret = 0;
5268 else {
5269 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5270 goto efault;
5271 ret = get_errno(read(arg1, p, arg3));
5272 unlock_user(p, arg2, ret);
5273 }
31e31b8a
FB		 5274 break;
5275 case TARGET_NR_write:
579a97f7
FB		 5276 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5277 goto efault;
53a5960a
PB		 5278 ret = get_errno(write(arg1, p, arg3));
5279 unlock_user(p, arg2, 0);
31e31b8a
FB		 5280 break;
5281 case TARGET_NR_open:
2f619698
FB		 5282 if (!(p = lock_user_string(arg1)))
5283 goto efault;
3be14d05
AG		 5284 ret = get_errno(do_open(cpu_env, p,
5285 target_to_host_bitmask(arg2, fcntl_flags_tbl),
5286 arg3));
53a5960a 5287 unlock_user(p, arg1, 0);
31e31b8a 5288 break;
82424832
TS		 5289#if defined(TARGET_NR_openat) && defined(__NR_openat)
5290 case TARGET_NR_openat:
579a97f7
FB		 5291 if (!(p = lock_user_string(arg2)))
5292 goto efault;
5293 ret = get_errno(sys_openat(arg1,
5294 path(p),
5295 target_to_host_bitmask(arg3, fcntl_flags_tbl),
5296 arg4));
5297 unlock_user(p, arg2, 0);
82424832
TS		 5298 break;
5299#endif
31e31b8a
FB		 5300 case TARGET_NR_close:
5301 ret = get_errno(close(arg1));
5302 break;
5303 case TARGET_NR_brk:
53a5960a 5304 ret = do_brk(arg1);
31e31b8a
FB		 5305 break;
5306 case TARGET_NR_fork:
d865bab5 5307 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 5308 break;
e5febef5 5309#ifdef TARGET_NR_waitpid
31e31b8a
FB		 5310 case TARGET_NR_waitpid:
5311 {
53a5960a
PB		 5312 int status;
5313 ret = get_errno(waitpid(arg1, &status, arg3));
5379557b 5314 if (!is_error(ret) && arg2 && ret
1d9d8b55 5315 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 5316 goto efault;
31e31b8a
FB		 5317 }
5318 break;
e5febef5 5319#endif
f0cbb613
PB		 5320#ifdef TARGET_NR_waitid
5321 case TARGET_NR_waitid:
5322 {
5323 siginfo_t info;
5324 info.si_pid = 0;
5325 ret = get_errno(waitid(arg1, arg2, &info, arg4));
5326 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 5327 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 5328 goto efault;
5329 host_to_target_siginfo(p, &info);
c227f099 5330 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 5331 }
5332 }
5333 break;
5334#endif
7a3148a9 5335#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 5336 case TARGET_NR_creat:
579a97f7
FB		 5337 if (!(p = lock_user_string(arg1)))
5338 goto efault;
53a5960a
PB		 5339 ret = get_errno(creat(p, arg2));
5340 unlock_user(p, arg1, 0);
31e31b8a 5341 break;
7a3148a9 5342#endif
31e31b8a 5343 case TARGET_NR_link:
53a5960a
PB		 5344 {
5345 void * p2;
5346 p = lock_user_string(arg1);
5347 p2 = lock_user_string(arg2);
579a97f7
FB		 5348 if (!p || !p2)
5349 ret = -TARGET_EFAULT;
5350 else
5351 ret = get_errno(link(p, p2));
53a5960a
PB		 5352 unlock_user(p2, arg2, 0);
5353 unlock_user(p, arg1, 0);
5354 }
31e31b8a 5355 break;
c0d472b1 5356#if defined(TARGET_NR_linkat)
64f0ce4c 5357 case TARGET_NR_linkat:
64f0ce4c
TS		 5358 {
5359 void * p2 = NULL;
579a97f7
FB		 5360 if (!arg2 || !arg4)
5361 goto efault;
64f0ce4c
TS		 5362 p = lock_user_string(arg2);
5363 p2 = lock_user_string(arg4);
579a97f7 5364 if (!p || !p2)
0da46a6e 5365 ret = -TARGET_EFAULT;
64f0ce4c 5366 else
c0d472b1 5367 ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 5368 unlock_user(p, arg2, 0);
5369 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 5370 }
5371 break;
5372#endif
31e31b8a 5373 case TARGET_NR_unlink:
579a97f7
FB		 5374 if (!(p = lock_user_string(arg1)))
5375 goto efault;
53a5960a
PB		 5376 ret = get_errno(unlink(p));
5377 unlock_user(p, arg1, 0);
31e31b8a 5378 break;
c0d472b1 5379#if defined(TARGET_NR_unlinkat)
8170f56b 5380 case TARGET_NR_unlinkat:
579a97f7
FB		 5381 if (!(p = lock_user_string(arg2)))
5382 goto efault;
c0d472b1 5383 ret = get_errno(unlinkat(arg1, p, arg3));
579a97f7 5384 unlock_user(p, arg2, 0);
ed494d87 5385 break;
b7d35e65 5386#endif
31e31b8a 5387 case TARGET_NR_execve:
7854b056
FB		 5388 {
5389 char **argp, **envp;
f7341ff4 5390 int argc, envc;
992f48a0
BS		 5391 abi_ulong gp;
5392 abi_ulong guest_argp;
5393 abi_ulong guest_envp;
5394 abi_ulong addr;
7854b056 5395 char **q;
a6f79cc9 5396 int total_size = 0;
7854b056 5397
f7341ff4 5398 argc = 0;
53a5960a 5399 guest_argp = arg2;
da94d263 5400 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5401 if (get_user_ual(addr, gp))
2f619698 5402 goto efault;
03aa1976 5403 if (!addr)
2f619698 5404 break;
7854b056 5405 argc++;
2f619698 5406 }
f7341ff4 5407 envc = 0;
53a5960a 5408 guest_envp = arg3;
da94d263 5409 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5410 if (get_user_ual(addr, gp))
2f619698 5411 goto efault;
03aa1976 5412 if (!addr)
2f619698 5413 break;
7854b056 5414 envc++;
2f619698 5415 }
7854b056 5416
f7341ff4
FB		 5417 argp = alloca((argc + 1) * sizeof(void *));
5418 envp = alloca((envc + 1) * sizeof(void *));
7854b056 5419
da94d263 5420 for (gp = guest_argp, q = argp; gp;
992f48a0 5421 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5422 if (get_user_ual(addr, gp))
5423 goto execve_efault;
53a5960a
PB		 5424 if (!addr)
5425 break;
2f619698
FB		 5426 if (!(*q = lock_user_string(addr)))
5427 goto execve_efault;
a6f79cc9 5428 total_size += strlen(*q) + 1;
53a5960a 5429 }
f7341ff4
FB		 5430 *q = NULL;
5431
da94d263 5432 for (gp = guest_envp, q = envp; gp;
992f48a0 5433 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5434 if (get_user_ual(addr, gp))
5435 goto execve_efault;
53a5960a
PB		 5436 if (!addr)
5437 break;
2f619698
FB		 5438 if (!(*q = lock_user_string(addr)))
5439 goto execve_efault;
a6f79cc9 5440 total_size += strlen(*q) + 1;
53a5960a 5441 }
f7341ff4 5442 *q = NULL;
7854b056 5443
a6f79cc9
UH		 5444 /* This case will not be caught by the host's execve() if its
5445 page size is bigger than the target's. */
5446 if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
5447 ret = -TARGET_E2BIG;
5448 goto execve_end;
5449 }
2f619698
FB		 5450 if (!(p = lock_user_string(arg1)))
5451 goto execve_efault;
53a5960a
PB		 5452 ret = get_errno(execve(p, argp, envp));
5453 unlock_user(p, arg1, 0);
5454
2f619698
FB		 5455 goto execve_end;
5456
5457 execve_efault:
5458 ret = -TARGET_EFAULT;
5459
5460 execve_end:
53a5960a 5461 for (gp = guest_argp, q = argp; *q;
992f48a0 5462 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5463 if (get_user_ual(addr, gp)
5464 || !addr)
5465 break;
53a5960a
PB		 5466 unlock_user(*q, addr, 0);
5467 }
5468 for (gp = guest_envp, q = envp; *q;
992f48a0 5469 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5470 if (get_user_ual(addr, gp)
5471 || !addr)
5472 break;
53a5960a
PB		 5473 unlock_user(*q, addr, 0);
5474 }
7854b056 5475 }
31e31b8a
FB		 5476 break;
5477 case TARGET_NR_chdir:
579a97f7
FB		 5478 if (!(p = lock_user_string(arg1)))
5479 goto efault;
53a5960a
PB		 5480 ret = get_errno(chdir(p));
5481 unlock_user(p, arg1, 0);
31e31b8a 5482 break;
a315a145 5483#ifdef TARGET_NR_time
31e31b8a
FB		 5484 case TARGET_NR_time:
5485 {
53a5960a
PB		 5486 time_t host_time;
5487 ret = get_errno(time(&host_time));
2f619698
FB		 5488 if (!is_error(ret)
5489 && arg1
5490 && put_user_sal(host_time, arg1))
5491 goto efault;
31e31b8a
FB		 5492 }
5493 break;
a315a145 5494#endif
31e31b8a 5495 case TARGET_NR_mknod:
579a97f7
FB		 5496 if (!(p = lock_user_string(arg1)))
5497 goto efault;
53a5960a
PB		 5498 ret = get_errno(mknod(p, arg2, arg3));
5499 unlock_user(p, arg1, 0);
31e31b8a 5500 break;
c0d472b1 5501#if defined(TARGET_NR_mknodat)
75ac37a0 5502 case TARGET_NR_mknodat:
579a97f7
FB		 5503 if (!(p = lock_user_string(arg2)))
5504 goto efault;
c0d472b1 5505 ret = get_errno(mknodat(arg1, p, arg3, arg4));
579a97f7 5506 unlock_user(p, arg2, 0);
75ac37a0
TS		 5507 break;
5508#endif
31e31b8a 5509 case TARGET_NR_chmod:
579a97f7
FB		 5510 if (!(p = lock_user_string(arg1)))
5511 goto efault;
53a5960a
PB		 5512 ret = get_errno(chmod(p, arg2));
5513 unlock_user(p, arg1, 0);
31e31b8a 5514 break;
ebc05488 5515#ifdef TARGET_NR_break
31e31b8a
FB		 5516 case TARGET_NR_break:
5517 goto unimplemented;
ebc05488
FB		 5518#endif
5519#ifdef TARGET_NR_oldstat
31e31b8a
FB		 5520 case TARGET_NR_oldstat:
5521 goto unimplemented;
ebc05488 5522#endif
31e31b8a
FB		 5523 case TARGET_NR_lseek:
5524 ret = get_errno(lseek(arg1, arg2, arg3));
5525 break;
9231733a
RH		 5526#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5527 /* Alpha specific */
7a3148a9 5528 case TARGET_NR_getxpid:
9231733a
RH		 5529 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
5530 ret = get_errno(getpid());
5531 break;
7a3148a9 5532#endif
9231733a
RH		 5533#ifdef TARGET_NR_getpid
5534 case TARGET_NR_getpid:
31e31b8a
FB		 5535 ret = get_errno(getpid());
5536 break;
9231733a 5537#endif
31e31b8a 5538 case TARGET_NR_mount:
80265918
TS		 5539 {
5540 /* need to look at the data field */
5541 void *p2, *p3;
5542 p = lock_user_string(arg1);
5543 p2 = lock_user_string(arg2);
5544 p3 = lock_user_string(arg3);
579a97f7
FB		 5545 if (!p || !p2 || !p3)
5546 ret = -TARGET_EFAULT;
dab46405 5547 else {
579a97f7
FB		 5548 /* FIXME - arg5 should be locked, but it isn't clear how to
5549 * do that since it's not guaranteed to be a NULL-terminated
5550 * string.
5551 */
dab46405
JSM		 5552 if ( ! arg5 )
5553 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
5554 else
5555 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
5556 }
579a97f7
FB		 5557 unlock_user(p, arg1, 0);
5558 unlock_user(p2, arg2, 0);
5559 unlock_user(p3, arg3, 0);
80265918
TS		 5560 break;
5561 }
e5febef5 5562#ifdef TARGET_NR_umount
31e31b8a 5563 case TARGET_NR_umount:
579a97f7
FB		 5564 if (!(p = lock_user_string(arg1)))
5565 goto efault;
53a5960a
PB		 5566 ret = get_errno(umount(p));
5567 unlock_user(p, arg1, 0);
31e31b8a 5568 break;
e5febef5 5569#endif
7a3148a9 5570#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 5571 case TARGET_NR_stime:
5572 {
53a5960a 5573 time_t host_time;
2f619698
FB		 5574 if (get_user_sal(host_time, arg1))
5575 goto efault;
53a5960a 5576 ret = get_errno(stime(&host_time));
31e31b8a
FB		 5577 }
5578 break;
7a3148a9 5579#endif
31e31b8a
FB		 5580 case TARGET_NR_ptrace:
5581 goto unimplemented;
7a3148a9 5582#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 5583 case TARGET_NR_alarm:
5584 ret = alarm(arg1);
5585 break;
7a3148a9 5586#endif
ebc05488 5587#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 5588 case TARGET_NR_oldfstat:
5589 goto unimplemented;
ebc05488 5590#endif
7a3148a9 5591#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 5592 case TARGET_NR_pause:
5593 ret = get_errno(pause());
5594 break;
7a3148a9 5595#endif
e5febef5 5596#ifdef TARGET_NR_utime
31e31b8a 5597 case TARGET_NR_utime:
ebc05488 5598 {
53a5960a
PB		 5599 struct utimbuf tbuf, *host_tbuf;
5600 struct target_utimbuf *target_tbuf;
5601 if (arg2) {
579a97f7
FB		 5602 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
5603 goto efault;
cbb21eed
MB		 5604 tbuf.actime = tswapal(target_tbuf->actime);
5605 tbuf.modtime = tswapal(target_tbuf->modtime);
53a5960a
PB		 5606 unlock_user_struct(target_tbuf, arg2, 0);
5607 host_tbuf = &tbuf;
f72e8ff4 5608 } else {
53a5960a 5609 host_tbuf = NULL;
f72e8ff4 5610 }
579a97f7
FB		 5611 if (!(p = lock_user_string(arg1)))
5612 goto efault;
53a5960a
PB		 5613 ret = get_errno(utime(p, host_tbuf));
5614 unlock_user(p, arg1, 0);
ebc05488
FB		 5615 }
5616 break;
e5febef5 5617#endif
978a66ff
FB		 5618 case TARGET_NR_utimes:
5619 {
978a66ff 5620 struct timeval *tvp, tv[2];
53a5960a 5621 if (arg2) {
788f5ec4
TS		 5622 if (copy_from_user_timeval(&tv[0], arg2)
5623 || copy_from_user_timeval(&tv[1],
5624 arg2 + sizeof(struct target_timeval)))
5625 goto efault;
978a66ff
FB		 5626 tvp = tv;
5627 } else {
5628 tvp = NULL;
5629 }
579a97f7
FB		 5630 if (!(p = lock_user_string(arg1)))
5631 goto efault;
53a5960a
PB		 5632 ret = get_errno(utimes(p, tvp));
5633 unlock_user(p, arg1, 0);
978a66ff
FB		 5634 }
5635 break;
c0d472b1 5636#if defined(TARGET_NR_futimesat)
ac8a6556
AZ		 5637 case TARGET_NR_futimesat:
5638 {
5639 struct timeval *tvp, tv[2];
5640 if (arg3) {
5641 if (copy_from_user_timeval(&tv[0], arg3)
5642 || copy_from_user_timeval(&tv[1],
5643 arg3 + sizeof(struct target_timeval)))
5644 goto efault;
5645 tvp = tv;
5646 } else {
5647 tvp = NULL;
5648 }
5649 if (!(p = lock_user_string(arg2)))
5650 goto efault;
c0d472b1 5651 ret = get_errno(futimesat(arg1, path(p), tvp));
ac8a6556
AZ		 5652 unlock_user(p, arg2, 0);
5653 }
5654 break;
5655#endif
ebc05488 5656#ifdef TARGET_NR_stty
31e31b8a
FB		 5657 case TARGET_NR_stty:
5658 goto unimplemented;
ebc05488
FB		 5659#endif
5660#ifdef TARGET_NR_gtty
31e31b8a
FB		 5661 case TARGET_NR_gtty:
5662 goto unimplemented;
ebc05488 5663#endif
31e31b8a 5664 case TARGET_NR_access:
579a97f7
FB		 5665 if (!(p = lock_user_string(arg1)))
5666 goto efault;
719f908e 5667 ret = get_errno(access(path(p), arg2));
53a5960a 5668 unlock_user(p, arg1, 0);
31e31b8a 5669 break;
92a34c10
TS		 5670#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5671 case TARGET_NR_faccessat:
579a97f7
FB		 5672 if (!(p = lock_user_string(arg2)))
5673 goto efault;
c0d472b1 5674 ret = get_errno(faccessat(arg1, p, arg3, 0));
579a97f7 5675 unlock_user(p, arg2, 0);
92a34c10
TS		 5676 break;
5677#endif
7a3148a9 5678#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 5679 case TARGET_NR_nice:
5680 ret = get_errno(nice(arg1));
5681 break;
7a3148a9 5682#endif
ebc05488 5683#ifdef TARGET_NR_ftime
31e31b8a
FB		 5684 case TARGET_NR_ftime:
5685 goto unimplemented;
ebc05488 5686#endif
31e31b8a 5687 case TARGET_NR_sync:
04369ff2
FB		 5688 sync();
5689 ret = 0;
31e31b8a
FB		 5690 break;
5691 case TARGET_NR_kill:
4cb05961 5692 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 5693 break;
5694 case TARGET_NR_rename:
53a5960a
PB		 5695 {
5696 void *p2;
5697 p = lock_user_string(arg1);
5698 p2 = lock_user_string(arg2);
579a97f7
FB		 5699 if (!p || !p2)
5700 ret = -TARGET_EFAULT;
5701 else
5702 ret = get_errno(rename(p, p2));
53a5960a
PB		 5703 unlock_user(p2, arg2, 0);
5704 unlock_user(p, arg1, 0);
5705 }
31e31b8a 5706 break;
c0d472b1 5707#if defined(TARGET_NR_renameat)
722183f6 5708 case TARGET_NR_renameat:
722183f6 5709 {
579a97f7 5710 void *p2;
722183f6
TS		 5711 p = lock_user_string(arg2);
5712 p2 = lock_user_string(arg4);
579a97f7 5713 if (!p || !p2)
0da46a6e 5714 ret = -TARGET_EFAULT;
722183f6 5715 else
c0d472b1 5716 ret = get_errno(renameat(arg1, p, arg3, p2));
579a97f7
FB		 5717 unlock_user(p2, arg4, 0);
5718 unlock_user(p, arg2, 0);
722183f6
TS		 5719 }
5720 break;
5721#endif
31e31b8a 5722 case TARGET_NR_mkdir:
579a97f7
FB		 5723 if (!(p = lock_user_string(arg1)))
5724 goto efault;
53a5960a
PB		 5725 ret = get_errno(mkdir(p, arg2));
5726 unlock_user(p, arg1, 0);
31e31b8a 5727 break;
c0d472b1 5728#if defined(TARGET_NR_mkdirat)
4472ad0d 5729 case TARGET_NR_mkdirat:
579a97f7
FB		 5730 if (!(p = lock_user_string(arg2)))
5731 goto efault;
c0d472b1 5732 ret = get_errno(mkdirat(arg1, p, arg3));
579a97f7 5733 unlock_user(p, arg2, 0);
4472ad0d
TS		 5734 break;
5735#endif
31e31b8a 5736 case TARGET_NR_rmdir:
579a97f7
FB		 5737 if (!(p = lock_user_string(arg1)))
5738 goto efault;
53a5960a
PB		 5739 ret = get_errno(rmdir(p));
5740 unlock_user(p, arg1, 0);
31e31b8a
FB		 5741 break;
5742 case TARGET_NR_dup:
5743 ret = get_errno(dup(arg1));
5744 break;
5745 case TARGET_NR_pipe:
fb41a66e 5746 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f
RV		 5747 break;
5748#ifdef TARGET_NR_pipe2
5749 case TARGET_NR_pipe2:
e7ea6cbe
RH		 5750 ret = do_pipe(cpu_env, arg1,
5751 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
31e31b8a 5752 break;
099d6b0f 5753#endif
31e31b8a 5754 case TARGET_NR_times:
32f36bce 5755 {
53a5960a 5756 struct target_tms *tmsp;
32f36bce
FB		 5757 struct tms tms;
5758 ret = get_errno(times(&tms));
53a5960a 5759 if (arg1) {
579a97f7
FB		 5760 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
5761 if (!tmsp)
5762 goto efault;
cbb21eed
MB		 5763 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
5764 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
5765 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
5766 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
32f36bce 5767 }
c596ed17
FB		 5768 if (!is_error(ret))
5769 ret = host_to_target_clock_t(ret);
32f36bce
FB		 5770 }
5771 break;
ebc05488 5772#ifdef TARGET_NR_prof
31e31b8a
FB		 5773 case TARGET_NR_prof:
5774 goto unimplemented;
ebc05488 5775#endif
e5febef5 5776#ifdef TARGET_NR_signal
31e31b8a
FB		 5777 case TARGET_NR_signal:
5778 goto unimplemented;
e5febef5 5779#endif
31e31b8a 5780 case TARGET_NR_acct:
38d840e6
AJ		 5781 if (arg1 == 0) {
5782 ret = get_errno(acct(NULL));
5783 } else {
5784 if (!(p = lock_user_string(arg1)))
5785 goto efault;
5786 ret = get_errno(acct(path(p)));
5787 unlock_user(p, arg1, 0);
5788 }
24836689 5789 break;
8070e7be 5790#ifdef TARGET_NR_umount2
31e31b8a 5791 case TARGET_NR_umount2:
579a97f7
FB		 5792 if (!(p = lock_user_string(arg1)))
5793 goto efault;
53a5960a
PB		 5794 ret = get_errno(umount2(p, arg2));
5795 unlock_user(p, arg1, 0);
31e31b8a 5796 break;
7a3148a9 5797#endif
ebc05488 5798#ifdef TARGET_NR_lock
31e31b8a
FB		 5799 case TARGET_NR_lock:
5800 goto unimplemented;
ebc05488 5801#endif
31e31b8a
FB		 5802 case TARGET_NR_ioctl:
5803 ret = do_ioctl(arg1, arg2, arg3);
5804 break;
5805 case TARGET_NR_fcntl:
9ee1fa2c 5806 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 5807 break;
ebc05488 5808#ifdef TARGET_NR_mpx
31e31b8a
FB		 5809 case TARGET_NR_mpx:
5810 goto unimplemented;
ebc05488 5811#endif
31e31b8a
FB		 5812 case TARGET_NR_setpgid:
5813 ret = get_errno(setpgid(arg1, arg2));
5814 break;
ebc05488 5815#ifdef TARGET_NR_ulimit
31e31b8a
FB		 5816 case TARGET_NR_ulimit:
5817 goto unimplemented;
ebc05488
FB		 5818#endif
5819#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 5820 case TARGET_NR_oldolduname:
5821 goto unimplemented;
ebc05488 5822#endif
31e31b8a
FB		 5823 case TARGET_NR_umask:
5824 ret = get_errno(umask(arg1));
5825 break;
5826 case TARGET_NR_chroot:
579a97f7
FB		 5827 if (!(p = lock_user_string(arg1)))
5828 goto efault;
53a5960a
PB		 5829 ret = get_errno(chroot(p));
5830 unlock_user(p, arg1, 0);
31e31b8a
FB		 5831 break;
5832 case TARGET_NR_ustat:
5833 goto unimplemented;
5834 case TARGET_NR_dup2:
5835 ret = get_errno(dup2(arg1, arg2));
5836 break;
d0927938
UH		 5837#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5838 case TARGET_NR_dup3:
5839 ret = get_errno(dup3(arg1, arg2, arg3));
5840 break;
5841#endif
7a3148a9 5842#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 5843 case TARGET_NR_getppid:
5844 ret = get_errno(getppid());
5845 break;
7a3148a9 5846#endif
31e31b8a
FB		 5847 case TARGET_NR_getpgrp:
5848 ret = get_errno(getpgrp());
5849 break;
5850 case TARGET_NR_setsid:
5851 ret = get_errno(setsid());
5852 break;
e5febef5 5853#ifdef TARGET_NR_sigaction
31e31b8a 5854 case TARGET_NR_sigaction:
31e31b8a 5855 {
6049f4f8
RH		 5856#if defined(TARGET_ALPHA)
5857 struct target_sigaction act, oact, *pact = 0;
53a5960a 5858 struct target_old_sigaction *old_act;
53a5960a 5859 if (arg2) {
579a97f7
FB		 5860 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5861 goto efault;
66fb9763
FB		 5862 act._sa_handler = old_act->_sa_handler;
5863 target_siginitset(&act.sa_mask, old_act->sa_mask);
5864 act.sa_flags = old_act->sa_flags;
6049f4f8 5865 act.sa_restorer = 0;
53a5960a 5866 unlock_user_struct(old_act, arg2, 0);
66fb9763 5867 pact = &act;
66fb9763
FB		 5868 }
5869 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 5870 if (!is_error(ret) && arg3) {
579a97f7
FB		 5871 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5872 goto efault;
53a5960a
PB		 5873 old_act->_sa_handler = oact._sa_handler;
5874 old_act->sa_mask = oact.sa_mask.sig[0];
5875 old_act->sa_flags = oact.sa_flags;
53a5960a 5876 unlock_user_struct(old_act, arg3, 1);
66fb9763 5877 }
6049f4f8 5878#elif defined(TARGET_MIPS)
106ec879
FB		 5879 struct target_sigaction act, oact, *pact, *old_act;
5880
5881 if (arg2) {
579a97f7
FB		 5882 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5883 goto efault;
106ec879
FB		 5884 act._sa_handler = old_act->_sa_handler;
5885 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
5886 act.sa_flags = old_act->sa_flags;
5887 unlock_user_struct(old_act, arg2, 0);
5888 pact = &act;
5889 } else {
5890 pact = NULL;
5891 }
5892
5893 ret = get_errno(do_sigaction(arg1, pact, &oact));
5894
5895 if (!is_error(ret) && arg3) {
579a97f7
FB		 5896 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5897 goto efault;
106ec879
FB		 5898 old_act->_sa_handler = oact._sa_handler;
5899 old_act->sa_flags = oact.sa_flags;
5900 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
5901 old_act->sa_mask.sig[1] = 0;
5902 old_act->sa_mask.sig[2] = 0;
5903 old_act->sa_mask.sig[3] = 0;
5904 unlock_user_struct(old_act, arg3, 1);
5905 }
6049f4f8
RH		 5906#else
5907 struct target_old_sigaction *old_act;
5908 struct target_sigaction act, oact, *pact;
5909 if (arg2) {
5910 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5911 goto efault;
5912 act._sa_handler = old_act->_sa_handler;
5913 target_siginitset(&act.sa_mask, old_act->sa_mask);
5914 act.sa_flags = old_act->sa_flags;
5915 act.sa_restorer = old_act->sa_restorer;
5916 unlock_user_struct(old_act, arg2, 0);
5917 pact = &act;
5918 } else {
5919 pact = NULL;
5920 }
5921 ret = get_errno(do_sigaction(arg1, pact, &oact));
5922 if (!is_error(ret) && arg3) {
5923 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5924 goto efault;
5925 old_act->_sa_handler = oact._sa_handler;
5926 old_act->sa_mask = oact.sa_mask.sig[0];
5927 old_act->sa_flags = oact.sa_flags;
5928 old_act->sa_restorer = oact.sa_restorer;
5929 unlock_user_struct(old_act, arg3, 1);
5930 }
388bb21a 5931#endif
31e31b8a
FB		 5932 }
5933 break;
e5febef5 5934#endif
66fb9763 5935 case TARGET_NR_rt_sigaction:
53a5960a 5936 {
6049f4f8
RH		 5937#if defined(TARGET_ALPHA)
5938 struct target_sigaction act, oact, *pact = 0;
5939 struct target_rt_sigaction *rt_act;
5940 /* ??? arg4 == sizeof(sigset_t). */
5941 if (arg2) {
5942 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
5943 goto efault;
5944 act._sa_handler = rt_act->_sa_handler;
5945 act.sa_mask = rt_act->sa_mask;
5946 act.sa_flags = rt_act->sa_flags;
5947 act.sa_restorer = arg5;
5948 unlock_user_struct(rt_act, arg2, 0);
5949 pact = &act;
5950 }
5951 ret = get_errno(do_sigaction(arg1, pact, &oact));
5952 if (!is_error(ret) && arg3) {
5953 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
5954 goto efault;
5955 rt_act->_sa_handler = oact._sa_handler;
5956 rt_act->sa_mask = oact.sa_mask;
5957 rt_act->sa_flags = oact.sa_flags;
5958 unlock_user_struct(rt_act, arg3, 1);
5959 }
5960#else
53a5960a
PB		 5961 struct target_sigaction *act;
5962 struct target_sigaction *oact;
5963
579a97f7
FB		 5964 if (arg2) {
5965 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
5966 goto efault;
5967 } else
53a5960a 5968 act = NULL;
579a97f7
FB		 5969 if (arg3) {
5970 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
5971 ret = -TARGET_EFAULT;
5972 goto rt_sigaction_fail;
5973 }
5974 } else
53a5960a
PB		 5975 oact = NULL;
5976 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 5977 rt_sigaction_fail:
5978 if (act)
53a5960a 5979 unlock_user_struct(act, arg2, 0);
579a97f7 5980 if (oact)
53a5960a 5981 unlock_user_struct(oact, arg3, 1);
6049f4f8 5982#endif
53a5960a 5983 }
66fb9763 5984 break;
7a3148a9 5985#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 5986 case TARGET_NR_sgetmask:
66fb9763
FB		 5987 {
5988 sigset_t cur_set;
992f48a0 5989 abi_ulong target_set;
66fb9763
FB		 5990 sigprocmask(0, NULL, &cur_set);
5991 host_to_target_old_sigset(&target_set, &cur_set);
5992 ret = target_set;
5993 }
5994 break;
7a3148a9
JM		 5995#endif
5996#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 5997 case TARGET_NR_ssetmask:
66fb9763
FB		 5998 {
5999 sigset_t set, oset, cur_set;
992f48a0 6000 abi_ulong target_set = arg1;
66fb9763
FB		 6001 sigprocmask(0, NULL, &cur_set);
6002 target_to_host_old_sigset(&set, &target_set);
6003 sigorset(&set, &set, &cur_set);
6004 sigprocmask(SIG_SETMASK, &set, &oset);
6005 host_to_target_old_sigset(&target_set, &oset);
6006 ret = target_set;
6007 }
6008 break;
7a3148a9 6009#endif
e5febef5 6010#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 6011 case TARGET_NR_sigprocmask:
6012 {
a5b3b13b
RH		 6013#if defined(TARGET_ALPHA)
6014 sigset_t set, oldset;
6015 abi_ulong mask;
6016 int how;
6017
6018 switch (arg1) {
6019 case TARGET_SIG_BLOCK:
6020 how = SIG_BLOCK;
6021 break;
6022 case TARGET_SIG_UNBLOCK:
6023 how = SIG_UNBLOCK;
6024 break;
6025 case TARGET_SIG_SETMASK:
6026 how = SIG_SETMASK;
6027 break;
6028 default:
6029 ret = -TARGET_EINVAL;
6030 goto fail;
6031 }
6032 mask = arg2;
6033 target_to_host_old_sigset(&set, &mask);
6034
6035 ret = get_errno(sigprocmask(how, &set, &oldset));
a5b3b13b
RH		 6036 if (!is_error(ret)) {
6037 host_to_target_old_sigset(&mask, &oldset);
6038 ret = mask;
0229f5a3 6039 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */
a5b3b13b
RH		 6040 }
6041#else
66fb9763 6042 sigset_t set, oldset, *set_ptr;
a5b3b13b 6043 int how;
3b46e624 6044
53a5960a 6045 if (arg2) {
a5b3b13b 6046 switch (arg1) {
66fb9763
FB		 6047 case TARGET_SIG_BLOCK:
6048 how = SIG_BLOCK;
6049 break;
6050 case TARGET_SIG_UNBLOCK:
6051 how = SIG_UNBLOCK;
6052 break;
6053 case TARGET_SIG_SETMASK:
6054 how = SIG_SETMASK;
6055 break;
6056 default:
0da46a6e 6057 ret = -TARGET_EINVAL;
66fb9763
FB		 6058 goto fail;
6059 }
c227f099 6060 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 6061 goto efault;
53a5960a
PB		 6062 target_to_host_old_sigset(&set, p);
6063 unlock_user(p, arg2, 0);
66fb9763
FB		 6064 set_ptr = &set;
6065 } else {
6066 how = 0;
6067 set_ptr = NULL;
6068 }
a5b3b13b 6069 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 6070 if (!is_error(ret) && arg3) {
c227f099 6071 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6072 goto efault;
53a5960a 6073 host_to_target_old_sigset(p, &oldset);
c227f099 6074 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 6075 }
a5b3b13b 6076#endif
66fb9763
FB		 6077 }
6078 break;
e5febef5 6079#endif
66fb9763
FB		 6080 case TARGET_NR_rt_sigprocmask:
6081 {
6082 int how = arg1;
6083 sigset_t set, oldset, *set_ptr;
3b46e624 6084
53a5960a 6085 if (arg2) {
66fb9763
FB		 6086 switch(how) {
6087 case TARGET_SIG_BLOCK:
6088 how = SIG_BLOCK;
6089 break;
6090 case TARGET_SIG_UNBLOCK:
6091 how = SIG_UNBLOCK;
6092 break;
6093 case TARGET_SIG_SETMASK:
6094 how = SIG_SETMASK;
6095 break;
6096 default:
0da46a6e 6097 ret = -TARGET_EINVAL;
66fb9763
FB		 6098 goto fail;
6099 }
c227f099 6100 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 6101 goto efault;
53a5960a
PB		 6102 target_to_host_sigset(&set, p);
6103 unlock_user(p, arg2, 0);
66fb9763
FB		 6104 set_ptr = &set;
6105 } else {
6106 how = 0;
6107 set_ptr = NULL;
6108 }
6109 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 6110 if (!is_error(ret) && arg3) {
c227f099 6111 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6112 goto efault;
53a5960a 6113 host_to_target_sigset(p, &oldset);
c227f099 6114 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 6115 }
6116 }
6117 break;
e5febef5 6118#ifdef TARGET_NR_sigpending
66fb9763
FB		 6119 case TARGET_NR_sigpending:
6120 {
6121 sigset_t set;
6122 ret = get_errno(sigpending(&set));
6123 if (!is_error(ret)) {
c227f099 6124 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6125 goto efault;
53a5960a 6126 host_to_target_old_sigset(p, &set);
c227f099 6127 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6128 }
6129 }
6130 break;
e5febef5 6131#endif
66fb9763
FB		 6132 case TARGET_NR_rt_sigpending:
6133 {
6134 sigset_t set;
6135 ret = get_errno(sigpending(&set));
6136 if (!is_error(ret)) {
c227f099 6137 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6138 goto efault;
53a5960a 6139 host_to_target_sigset(p, &set);
c227f099 6140 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6141 }
6142 }
6143 break;
e5febef5 6144#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 6145 case TARGET_NR_sigsuspend:
6146 {
6147 sigset_t set;
f43ce12b
RH		 6148#if defined(TARGET_ALPHA)
6149 abi_ulong mask = arg1;
6150 target_to_host_old_sigset(&set, &mask);
6151#else
c227f099 6152 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6153 goto efault;
53a5960a
PB		 6154 target_to_host_old_sigset(&set, p);
6155 unlock_user(p, arg1, 0);
f43ce12b 6156#endif
66fb9763
FB		 6157 ret = get_errno(sigsuspend(&set));
6158 }
6159 break;
e5febef5 6160#endif
66fb9763
FB		 6161 case TARGET_NR_rt_sigsuspend:
6162 {
6163 sigset_t set;
c227f099 6164 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6165 goto efault;
53a5960a
PB		 6166 target_to_host_sigset(&set, p);
6167 unlock_user(p, arg1, 0);
66fb9763
FB		 6168 ret = get_errno(sigsuspend(&set));
6169 }
6170 break;
6171 case TARGET_NR_rt_sigtimedwait:
6172 {
66fb9763
FB		 6173 sigset_t set;
6174 struct timespec uts, *puts;
6175 siginfo_t uinfo;
3b46e624 6176
c227f099 6177 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6178 goto efault;
53a5960a
PB		 6179 target_to_host_sigset(&set, p);
6180 unlock_user(p, arg1, 0);
6181 if (arg3) {
66fb9763 6182 puts = &uts;
53a5960a 6183 target_to_host_timespec(puts, arg3);
66fb9763
FB		 6184 } else {
6185 puts = NULL;
6186 }
6187 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 6188 if (!is_error(ret) && arg2) {
c227f099 6189 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 6190 goto efault;
53a5960a 6191 host_to_target_siginfo(p, &uinfo);
c227f099 6192 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 6193 }
6194 }
6195 break;
6196 case TARGET_NR_rt_sigqueueinfo:
6197 {
6198 siginfo_t uinfo;
c227f099 6199 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 6200 goto efault;
53a5960a
PB		 6201 target_to_host_siginfo(&uinfo, p);
6202 unlock_user(p, arg1, 0);
66fb9763
FB		 6203 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
6204 }
6205 break;
e5febef5 6206#ifdef TARGET_NR_sigreturn
66fb9763
FB		 6207 case TARGET_NR_sigreturn:
6208 /* NOTE: ret is eax, so not transcoding must be done */
6209 ret = do_sigreturn(cpu_env);
6210 break;
e5febef5 6211#endif
66fb9763
FB		 6212 case TARGET_NR_rt_sigreturn:
6213 /* NOTE: ret is eax, so not transcoding must be done */
6214 ret = do_rt_sigreturn(cpu_env);
6215 break;
31e31b8a 6216 case TARGET_NR_sethostname:
579a97f7
FB		 6217 if (!(p = lock_user_string(arg1)))
6218 goto efault;
53a5960a
PB		 6219 ret = get_errno(sethostname(p, arg2));
6220 unlock_user(p, arg1, 0);
31e31b8a
FB		 6221 break;
6222 case TARGET_NR_setrlimit:
9de5e440 6223 {
e22b7015 6224 int resource = target_to_host_resource(arg1);
53a5960a 6225 struct target_rlimit *target_rlim;
9de5e440 6226 struct rlimit rlim;
579a97f7
FB		 6227 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
6228 goto efault;
81bbe906
TY		 6229 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
6230 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 6231 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 6232 ret = get_errno(setrlimit(resource, &rlim));
6233 }
6234 break;
31e31b8a 6235 case TARGET_NR_getrlimit:
9de5e440 6236 {
e22b7015 6237 int resource = target_to_host_resource(arg1);
53a5960a 6238 struct target_rlimit *target_rlim;
9de5e440 6239 struct rlimit rlim;
3b46e624 6240
9de5e440
FB		 6241 ret = get_errno(getrlimit(resource, &rlim));
6242 if (!is_error(ret)) {
579a97f7
FB		 6243 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6244 goto efault;
81bbe906
TY		 6245 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6246 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 6247 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 6248 }
6249 }
6250 break;
31e31b8a 6251 case TARGET_NR_getrusage:
b409186b
FB		 6252 {
6253 struct rusage rusage;
b409186b
FB		 6254 ret = get_errno(getrusage(arg1, &rusage));
6255 if (!is_error(ret)) {
53a5960a 6256 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 6257 }
6258 }
6259 break;
31e31b8a
FB		 6260 case TARGET_NR_gettimeofday:
6261 {
31e31b8a
FB		 6262 struct timeval tv;
6263 ret = get_errno(gettimeofday(&tv, NULL));
6264 if (!is_error(ret)) {
788f5ec4
TS		 6265 if (copy_to_user_timeval(arg1, &tv))
6266 goto efault;
31e31b8a
FB		 6267 }
6268 }
6269 break;
6270 case TARGET_NR_settimeofday:
6271 {
31e31b8a 6272 struct timeval tv;
788f5ec4
TS		 6273 if (copy_from_user_timeval(&tv, arg1))
6274 goto efault;
31e31b8a
FB		 6275 ret = get_errno(settimeofday(&tv, NULL));
6276 }
6277 break;
9468a5d4 6278#if defined(TARGET_NR_select)
31e31b8a 6279 case TARGET_NR_select:
9468a5d4
LV		 6280#if defined(TARGET_S390X) || defined(TARGET_ALPHA)
6281 ret = do_select(arg1, arg2, arg3, arg4, arg5);
6282#else
f2674e31 6283 {
53a5960a 6284 struct target_sel_arg_struct *sel;
992f48a0 6285 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 6286 long nsel;
6287
579a97f7
FB		 6288 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
6289 goto efault;
cbb21eed
MB		 6290 nsel = tswapal(sel->n);
6291 inp = tswapal(sel->inp);
6292 outp = tswapal(sel->outp);
6293 exp = tswapal(sel->exp);
6294 tvp = tswapal(sel->tvp);
53a5960a
PB		 6295 unlock_user_struct(sel, arg1, 0);
6296 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31 6297 }
9468a5d4 6298#endif
f2674e31 6299 break;
9e42382f
RV		 6300#endif
6301#ifdef TARGET_NR_pselect6
6302 case TARGET_NR_pselect6:
055e0906
MF		 6303 {
6304 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
6305 fd_set rfds, wfds, efds;
6306 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
6307 struct timespec ts, *ts_ptr;
6308
6309 /*
6310 * The 6th arg is actually two args smashed together,
6311 * so we cannot use the C library.
6312 */
6313 sigset_t set;
6314 struct {
6315 sigset_t *set;
6316 size_t size;
6317 } sig, *sig_ptr;
6318
6319 abi_ulong arg_sigset, arg_sigsize, *arg7;
6320 target_sigset_t *target_sigset;
6321
6322 n = arg1;
6323 rfd_addr = arg2;
6324 wfd_addr = arg3;
6325 efd_addr = arg4;
6326 ts_addr = arg5;
6327
6328 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
6329 if (ret) {
6330 goto fail;
6331 }
6332 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
6333 if (ret) {
6334 goto fail;
6335 }
6336 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
6337 if (ret) {
6338 goto fail;
6339 }
6340
6341 /*
6342 * This takes a timespec, and not a timeval, so we cannot
6343 * use the do_select() helper ...
6344 */
6345 if (ts_addr) {
6346 if (target_to_host_timespec(&ts, ts_addr)) {
6347 goto efault;
6348 }
6349 ts_ptr = &ts;
6350 } else {
6351 ts_ptr = NULL;
6352 }
6353
6354 /* Extract the two packed args for the sigset */
6355 if (arg6) {
6356 sig_ptr = &sig;
6357 sig.size = _NSIG / 8;
6358
6359 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
6360 if (!arg7) {
6361 goto efault;
6362 }
cbb21eed
MB		 6363 arg_sigset = tswapal(arg7[0]);
6364 arg_sigsize = tswapal(arg7[1]);
055e0906
MF		 6365 unlock_user(arg7, arg6, 0);
6366
6367 if (arg_sigset) {
6368 sig.set = &set;
8f04eeb3
PM		 6369 if (arg_sigsize != sizeof(*target_sigset)) {
6370 /* Like the kernel, we enforce correct size sigsets */
6371 ret = -TARGET_EINVAL;
6372 goto fail;
6373 }
055e0906
MF		 6374 target_sigset = lock_user(VERIFY_READ, arg_sigset,
6375 sizeof(*target_sigset), 1);
6376 if (!target_sigset) {
6377 goto efault;
6378 }
6379 target_to_host_sigset(&set, target_sigset);
6380 unlock_user(target_sigset, arg_sigset, 0);
6381 } else {
6382 sig.set = NULL;
6383 }
6384 } else {
6385 sig_ptr = NULL;
6386 }
6387
6388 ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
6389 ts_ptr, sig_ptr));
6390
6391 if (!is_error(ret)) {
6392 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
6393 goto efault;
6394 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
6395 goto efault;
6396 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
6397 goto efault;
6398
6399 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
6400 goto efault;
6401 }
6402 }
6403 break;
048f6b4d 6404#endif
31e31b8a 6405 case TARGET_NR_symlink:
53a5960a
PB		 6406 {
6407 void *p2;
6408 p = lock_user_string(arg1);
6409 p2 = lock_user_string(arg2);
579a97f7
FB		 6410 if (!p || !p2)
6411 ret = -TARGET_EFAULT;
6412 else
6413 ret = get_errno(symlink(p, p2));
53a5960a
PB		 6414 unlock_user(p2, arg2, 0);
6415 unlock_user(p, arg1, 0);
6416 }
31e31b8a 6417 break;
c0d472b1 6418#if defined(TARGET_NR_symlinkat)
f0b6243d 6419 case TARGET_NR_symlinkat:
f0b6243d 6420 {
579a97f7 6421 void *p2;
f0b6243d
TS		 6422 p = lock_user_string(arg1);
6423 p2 = lock_user_string(arg3);
579a97f7 6424 if (!p || !p2)
0da46a6e 6425 ret = -TARGET_EFAULT;
f0b6243d 6426 else
c0d472b1 6427 ret = get_errno(symlinkat(p, arg2, p2));
579a97f7
FB		 6428 unlock_user(p2, arg3, 0);
6429 unlock_user(p, arg1, 0);
f0b6243d
TS		 6430 }
6431 break;
6432#endif
ebc05488 6433#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 6434 case TARGET_NR_oldlstat:
6435 goto unimplemented;
ebc05488 6436#endif
31e31b8a 6437 case TARGET_NR_readlink:
53a5960a 6438 {
463d8e73 6439 void *p2;
53a5960a 6440 p = lock_user_string(arg1);
579a97f7 6441 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
463d8e73 6442 if (!p || !p2) {
579a97f7 6443 ret = -TARGET_EFAULT;
463d8e73
AS		 6444 } else if (is_proc_myself((const char *)p, "exe")) {
6445 char real[PATH_MAX], *temp;
6446 temp = realpath(exec_path, real);
6447 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
6448 snprintf((char *)p2, arg3, "%s", real);
6449 } else {
6450 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 6451 }
53a5960a
PB		 6452 unlock_user(p2, arg2, ret);
6453 unlock_user(p, arg1, 0);
6454 }
31e31b8a 6455 break;
c0d472b1 6456#if defined(TARGET_NR_readlinkat)
5e0ccb18 6457 case TARGET_NR_readlinkat:
5e0ccb18 6458 {
579a97f7 6459 void *p2;
5e0ccb18 6460 p = lock_user_string(arg2);
579a97f7 6461 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
463d8e73
AS		 6462 if (!p || !p2) {
6463 ret = -TARGET_EFAULT;
6464 } else if (is_proc_myself((const char *)p, "exe")) {
6465 char real[PATH_MAX], *temp;
6466 temp = realpath(exec_path, real);
6467 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
6468 snprintf((char *)p2, arg4, "%s", real);
6469 } else {
c0d472b1 6470 ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
463d8e73 6471 }
579a97f7
FB		 6472 unlock_user(p2, arg3, ret);
6473 unlock_user(p, arg2, 0);
5e0ccb18
TS		 6474 }
6475 break;
6476#endif
e5febef5 6477#ifdef TARGET_NR_uselib
31e31b8a
FB		 6478 case TARGET_NR_uselib:
6479 goto unimplemented;
e5febef5
TS		 6480#endif
6481#ifdef TARGET_NR_swapon
31e31b8a 6482 case TARGET_NR_swapon:
579a97f7
FB		 6483 if (!(p = lock_user_string(arg1)))
6484 goto efault;
53a5960a
PB		 6485 ret = get_errno(swapon(p, arg2));
6486 unlock_user(p, arg1, 0);
31e31b8a 6487 break;
e5febef5 6488#endif
31e31b8a 6489 case TARGET_NR_reboot:
c07ecc68
LV		 6490 if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
6491 /* arg4 must be ignored in all other cases */
6492 p = lock_user_string(arg4);
6493 if (!p) {
6494 goto efault;
6495 }
6496 ret = get_errno(reboot(arg1, arg2, arg3, p));
6497 unlock_user(p, arg4, 0);
6498 } else {
6499 ret = get_errno(reboot(arg1, arg2, arg3, NULL));
6500 }
0f6b4d21 6501 break;
e5febef5 6502#ifdef TARGET_NR_readdir
31e31b8a
FB		 6503 case TARGET_NR_readdir:
6504 goto unimplemented;
e5febef5
TS		 6505#endif
6506#ifdef TARGET_NR_mmap
31e31b8a 6507 case TARGET_NR_mmap:
09701199
AG		 6508#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
6509 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
a4c075f1
UH		 6510 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6511 || defined(TARGET_S390X)
31e31b8a 6512 {
992f48a0
BS		 6513 abi_ulong *v;
6514 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 6515 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
6516 goto efault;
cbb21eed
MB		 6517 v1 = tswapal(v[0]);
6518 v2 = tswapal(v[1]);
6519 v3 = tswapal(v[2]);
6520 v4 = tswapal(v[3]);
6521 v5 = tswapal(v[4]);
6522 v6 = tswapal(v[5]);
53a5960a 6523 unlock_user(v, arg1, 0);
5fafdf24 6524 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 6525 target_to_host_bitmask(v4, mmap_flags_tbl),
6526 v5, v6));
31e31b8a 6527 }
31e31b8a 6528#else
5fafdf24
TS		 6529 ret = get_errno(target_mmap(arg1, arg2, arg3,
6530 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 6531 arg5,
6532 arg6));
31e31b8a 6533#endif
6fb883e8 6534 break;
e5febef5 6535#endif
a315a145 6536#ifdef TARGET_NR_mmap2
6fb883e8 6537 case TARGET_NR_mmap2:
bb7ec043 6538#ifndef MMAP_SHIFT
c573ff67 6539#define MMAP_SHIFT 12
c573ff67 6540#endif
5fafdf24
TS		 6541 ret = get_errno(target_mmap(arg1, arg2, arg3,
6542 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 6543 arg5,
c573ff67 6544 arg6 << MMAP_SHIFT));
31e31b8a 6545 break;
a315a145 6546#endif
31e31b8a 6547 case TARGET_NR_munmap:
54936004 6548 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 6549 break;
9de5e440 6550 case TARGET_NR_mprotect:
97374d38 6551 {
9349b4f9 6552 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
97374d38
PB		 6553 /* Special hack to detect libc making the stack executable. */
6554 if ((arg3 & PROT_GROWSDOWN)
6555 && arg1 >= ts->info->stack_limit
6556 && arg1 <= ts->info->start_stack) {
6557 arg3 &= ~PROT_GROWSDOWN;
6558 arg2 = arg2 + arg1 - ts->info->stack_limit;
6559 arg1 = ts->info->stack_limit;
6560 }
6561 }
54936004 6562 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 6563 break;
e5febef5 6564#ifdef TARGET_NR_mremap
9de5e440 6565 case TARGET_NR_mremap:
54936004 6566 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 6567 break;
e5febef5 6568#endif
53a5960a 6569 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 6570#ifdef TARGET_NR_msync
9de5e440 6571 case TARGET_NR_msync:
53a5960a 6572 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 6573 break;
e5febef5
TS		 6574#endif
6575#ifdef TARGET_NR_mlock
9de5e440 6576 case TARGET_NR_mlock:
53a5960a 6577 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 6578 break;
e5febef5
TS		 6579#endif
6580#ifdef TARGET_NR_munlock
9de5e440 6581 case TARGET_NR_munlock:
53a5960a 6582 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 6583 break;
e5febef5
TS		 6584#endif
6585#ifdef TARGET_NR_mlockall
9de5e440
FB		 6586 case TARGET_NR_mlockall:
6587 ret = get_errno(mlockall(arg1));
6588 break;
e5febef5
TS		 6589#endif
6590#ifdef TARGET_NR_munlockall
9de5e440
FB		 6591 case TARGET_NR_munlockall:
6592 ret = get_errno(munlockall());
6593 break;
e5febef5 6594#endif
31e31b8a 6595 case TARGET_NR_truncate:
579a97f7
FB		 6596 if (!(p = lock_user_string(arg1)))
6597 goto efault;
53a5960a
PB		 6598 ret = get_errno(truncate(p, arg2));
6599 unlock_user(p, arg1, 0);
31e31b8a
FB		 6600 break;
6601 case TARGET_NR_ftruncate:
6602 ret = get_errno(ftruncate(arg1, arg2));
6603 break;
6604 case TARGET_NR_fchmod:
6605 ret = get_errno(fchmod(arg1, arg2));
6606 break;
c0d472b1 6607#if defined(TARGET_NR_fchmodat)
814d7977 6608 case TARGET_NR_fchmodat:
579a97f7
FB		 6609 if (!(p = lock_user_string(arg2)))
6610 goto efault;
c0d472b1 6611 ret = get_errno(fchmodat(arg1, p, arg3, 0));
579a97f7 6612 unlock_user(p, arg2, 0);
814d7977
TS		 6613 break;
6614#endif
31e31b8a 6615 case TARGET_NR_getpriority:
95c09828
RH		 6616 /* Note that negative values are valid for getpriority, so we must
6617 differentiate based on errno settings. */
6618 errno = 0;
6619 ret = getpriority(arg1, arg2);
6620 if (ret == -1 && errno != 0) {
6621 ret = -host_to_target_errno(errno);
6622 break;
6623 }
6624#ifdef TARGET_ALPHA
6625 /* Return value is the unbiased priority. Signal no error. */
6626 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
6627#else
6628 /* Return value is a biased priority to avoid negative numbers. */
6629 ret = 20 - ret;
6630#endif
31e31b8a
FB		 6631 break;
6632 case TARGET_NR_setpriority:
6633 ret = get_errno(setpriority(arg1, arg2, arg3));
6634 break;
ebc05488 6635#ifdef TARGET_NR_profil
31e31b8a
FB		 6636 case TARGET_NR_profil:
6637 goto unimplemented;
ebc05488 6638#endif
31e31b8a 6639 case TARGET_NR_statfs:
579a97f7
FB		 6640 if (!(p = lock_user_string(arg1)))
6641 goto efault;
53a5960a
PB		 6642 ret = get_errno(statfs(path(p), &stfs));
6643 unlock_user(p, arg1, 0);
31e31b8a
FB		 6644 convert_statfs:
6645 if (!is_error(ret)) {
53a5960a 6646 struct target_statfs *target_stfs;
3b46e624 6647
579a97f7
FB		 6648 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
6649 goto efault;
6650 __put_user(stfs.f_type, &target_stfs->f_type);
6651 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6652 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6653 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6654 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6655 __put_user(stfs.f_files, &target_stfs->f_files);
6656 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6657 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6658 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6659 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 6660 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
6661 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
53a5960a 6662 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 6663 }
6664 break;
6665 case TARGET_NR_fstatfs:
56c8f68f 6666 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 6667 goto convert_statfs;
56c8f68f
FB		 6668#ifdef TARGET_NR_statfs64
6669 case TARGET_NR_statfs64:
579a97f7
FB		 6670 if (!(p = lock_user_string(arg1)))
6671 goto efault;
53a5960a
PB		 6672 ret = get_errno(statfs(path(p), &stfs));
6673 unlock_user(p, arg1, 0);
56c8f68f
FB		 6674 convert_statfs64:
6675 if (!is_error(ret)) {
53a5960a 6676 struct target_statfs64 *target_stfs;
3b46e624 6677
579a97f7
FB		 6678 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
6679 goto efault;
6680 __put_user(stfs.f_type, &target_stfs->f_type);
6681 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6682 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6683 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6684 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6685 __put_user(stfs.f_files, &target_stfs->f_files);
6686 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6687 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6688 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6689 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 6690 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
6691 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
579a97f7 6692 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 6693 }
6694 break;
6695 case TARGET_NR_fstatfs64:
6696 ret = get_errno(fstatfs(arg1, &stfs));
6697 goto convert_statfs64;
6698#endif
ebc05488 6699#ifdef TARGET_NR_ioperm
31e31b8a
FB		 6700 case TARGET_NR_ioperm:
6701 goto unimplemented;
ebc05488 6702#endif
e5febef5 6703#ifdef TARGET_NR_socketcall
31e31b8a 6704 case TARGET_NR_socketcall:
53a5960a 6705 ret = do_socketcall(arg1, arg2);
31e31b8a 6706 break;
e5febef5 6707#endif
3532fa74
FB		 6708#ifdef TARGET_NR_accept
6709 case TARGET_NR_accept:
a94b4987
PM		 6710 ret = do_accept4(arg1, arg2, arg3, 0);
6711 break;
6712#endif
6713#ifdef TARGET_NR_accept4
6714 case TARGET_NR_accept4:
6715#ifdef CONFIG_ACCEPT4
6716 ret = do_accept4(arg1, arg2, arg3, arg4);
6717#else
6718 goto unimplemented;
6719#endif
3532fa74
FB		 6720 break;
6721#endif
6722#ifdef TARGET_NR_bind
6723 case TARGET_NR_bind:
6724 ret = do_bind(arg1, arg2, arg3);
6725 break;
6726#endif
6727#ifdef TARGET_NR_connect
6728 case TARGET_NR_connect:
6729 ret = do_connect(arg1, arg2, arg3);
6730 break;
6731#endif
6732#ifdef TARGET_NR_getpeername
6733 case TARGET_NR_getpeername:
1be9e1dc 6734 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 6735 break;
6736#endif
6737#ifdef TARGET_NR_getsockname
6738 case TARGET_NR_getsockname:
1be9e1dc 6739 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 6740 break;
6741#endif
6742#ifdef TARGET_NR_getsockopt
6743 case TARGET_NR_getsockopt:
6744 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
6745 break;
6746#endif
6747#ifdef TARGET_NR_listen
6748 case TARGET_NR_listen:
1be9e1dc 6749 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 6750 break;
6751#endif
6752#ifdef TARGET_NR_recv
6753 case TARGET_NR_recv:
214201bd 6754 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6755 break;
6756#endif
6757#ifdef TARGET_NR_recvfrom
6758 case TARGET_NR_recvfrom:
214201bd 6759 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6760 break;
6761#endif
6762#ifdef TARGET_NR_recvmsg
6763 case TARGET_NR_recvmsg:
6764 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
6765 break;
6766#endif
6767#ifdef TARGET_NR_send
6768 case TARGET_NR_send:
1be9e1dc 6769 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6770 break;
6771#endif
6772#ifdef TARGET_NR_sendmsg
6773 case TARGET_NR_sendmsg:
6774 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
6775 break;
6776#endif
f19e00d7
AG		 6777#ifdef TARGET_NR_sendmmsg
6778 case TARGET_NR_sendmmsg:
6779 ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
6780 break;
6781 case TARGET_NR_recvmmsg:
6782 ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
6783 break;
6784#endif
3532fa74
FB		 6785#ifdef TARGET_NR_sendto
6786 case TARGET_NR_sendto:
1be9e1dc 6787 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6788 break;
6789#endif
6790#ifdef TARGET_NR_shutdown
6791 case TARGET_NR_shutdown:
1be9e1dc 6792 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 6793 break;
6794#endif
6795#ifdef TARGET_NR_socket
6796 case TARGET_NR_socket:
6797 ret = do_socket(arg1, arg2, arg3);
6798 break;
6799#endif
6800#ifdef TARGET_NR_socketpair
6801 case TARGET_NR_socketpair:
1be9e1dc 6802 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 6803 break;
6804#endif
6805#ifdef TARGET_NR_setsockopt
6806 case TARGET_NR_setsockopt:
6807 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
6808 break;
6809#endif
7494b0f9 6810
31e31b8a 6811 case TARGET_NR_syslog:
579a97f7
FB		 6812 if (!(p = lock_user_string(arg2)))
6813 goto efault;
e5574487
TS		 6814 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
6815 unlock_user(p, arg2, 0);
7494b0f9
TS		 6816 break;
6817
31e31b8a 6818 case TARGET_NR_setitimer:
66fb9763 6819 {
66fb9763
FB		 6820 struct itimerval value, ovalue, *pvalue;
6821
53a5960a 6822 if (arg2) {
66fb9763 6823 pvalue = &value;
788f5ec4
TS		 6824 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
6825 || copy_from_user_timeval(&pvalue->it_value,
6826 arg2 + sizeof(struct target_timeval)))
6827 goto efault;
66fb9763
FB		 6828 } else {
6829 pvalue = NULL;
6830 }
6831 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 6832 if (!is_error(ret) && arg3) {
788f5ec4
TS		 6833 if (copy_to_user_timeval(arg3,
6834 &ovalue.it_interval)
6835 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
6836 &ovalue.it_value))
6837 goto efault;
66fb9763
FB		 6838 }
6839 }
6840 break;
31e31b8a 6841 case TARGET_NR_getitimer:
66fb9763 6842 {
66fb9763 6843 struct itimerval value;
3b46e624 6844
66fb9763 6845 ret = get_errno(getitimer(arg1, &value));
53a5960a 6846 if (!is_error(ret) && arg2) {
788f5ec4
TS		 6847 if (copy_to_user_timeval(arg2,
6848 &value.it_interval)
6849 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
6850 &value.it_value))
6851 goto efault;
66fb9763
FB		 6852 }
6853 }
6854 break;
31e31b8a 6855 case TARGET_NR_stat:
579a97f7
FB		 6856 if (!(p = lock_user_string(arg1)))
6857 goto efault;
53a5960a
PB		 6858 ret = get_errno(stat(path(p), &st));
6859 unlock_user(p, arg1, 0);
31e31b8a
FB		 6860 goto do_stat;
6861 case TARGET_NR_lstat:
579a97f7
FB		 6862 if (!(p = lock_user_string(arg1)))
6863 goto efault;
53a5960a
PB		 6864 ret = get_errno(lstat(path(p), &st));
6865 unlock_user(p, arg1, 0);
31e31b8a
FB		 6866 goto do_stat;
6867 case TARGET_NR_fstat:
6868 {
6869 ret = get_errno(fstat(arg1, &st));
6870 do_stat:
6871 if (!is_error(ret)) {
53a5960a 6872 struct target_stat *target_st;
e3584658 6873
579a97f7
FB		 6874 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
6875 goto efault;
12727917 6876 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 6877 __put_user(st.st_dev, &target_st->st_dev);
6878 __put_user(st.st_ino, &target_st->st_ino);
6879 __put_user(st.st_mode, &target_st->st_mode);
6880 __put_user(st.st_uid, &target_st->st_uid);
6881 __put_user(st.st_gid, &target_st->st_gid);
6882 __put_user(st.st_nlink, &target_st->st_nlink);
6883 __put_user(st.st_rdev, &target_st->st_rdev);
6884 __put_user(st.st_size, &target_st->st_size);
6885 __put_user(st.st_blksize, &target_st->st_blksize);
6886 __put_user(st.st_blocks, &target_st->st_blocks);
6887 __put_user(st.st_atime, &target_st->target_st_atime);
6888 __put_user(st.st_mtime, &target_st->target_st_mtime);
6889 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 6890 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 6891 }
6892 }
6893 break;
ebc05488 6894#ifdef TARGET_NR_olduname
31e31b8a
FB		 6895 case TARGET_NR_olduname:
6896 goto unimplemented;
ebc05488
FB		 6897#endif
6898#ifdef TARGET_NR_iopl
31e31b8a
FB		 6899 case TARGET_NR_iopl:
6900 goto unimplemented;
ebc05488 6901#endif
31e31b8a
FB		 6902 case TARGET_NR_vhangup:
6903 ret = get_errno(vhangup());
6904 break;
ebc05488 6905#ifdef TARGET_NR_idle
31e31b8a
FB		 6906 case TARGET_NR_idle:
6907 goto unimplemented;
42ad6ae9
FB		 6908#endif
6909#ifdef TARGET_NR_syscall
6910 case TARGET_NR_syscall:
5945cfcb
PM		 6911 ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
6912 arg6, arg7, arg8, 0);
6913 break;
ebc05488 6914#endif
31e31b8a
FB		 6915 case TARGET_NR_wait4:
6916 {
6917 int status;
992f48a0 6918 abi_long status_ptr = arg2;
31e31b8a 6919 struct rusage rusage, *rusage_ptr;
992f48a0 6920 abi_ulong target_rusage = arg4;
31e31b8a
FB		 6921 if (target_rusage)
6922 rusage_ptr = &rusage;
6923 else
6924 rusage_ptr = NULL;
6925 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
6926 if (!is_error(ret)) {
5379557b 6927 if (status_ptr && ret) {
1d9d8b55 6928 status = host_to_target_waitstatus(status);
2f619698
FB		 6929 if (put_user_s32(status, status_ptr))
6930 goto efault;
31e31b8a 6931 }
2f619698
FB		 6932 if (target_rusage)
6933 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 6934 }
6935 }
6936 break;
e5febef5 6937#ifdef TARGET_NR_swapoff
31e31b8a 6938 case TARGET_NR_swapoff:
579a97f7
FB		 6939 if (!(p = lock_user_string(arg1)))
6940 goto efault;
53a5960a
PB		 6941 ret = get_errno(swapoff(p));
6942 unlock_user(p, arg1, 0);
31e31b8a 6943 break;
e5febef5 6944#endif
31e31b8a 6945 case TARGET_NR_sysinfo:
a5448a7d 6946 {
53a5960a 6947 struct target_sysinfo *target_value;
a5448a7d
FB		 6948 struct sysinfo value;
6949 ret = get_errno(sysinfo(&value));
53a5960a 6950 if (!is_error(ret) && arg1)
a5448a7d 6951 {
579a97f7
FB		 6952 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
6953 goto efault;
a5448a7d
FB		 6954 __put_user(value.uptime, &target_value->uptime);
6955 __put_user(value.loads[0], &target_value->loads[0]);
6956 __put_user(value.loads[1], &target_value->loads[1]);
6957 __put_user(value.loads[2], &target_value->loads[2]);
6958 __put_user(value.totalram, &target_value->totalram);
6959 __put_user(value.freeram, &target_value->freeram);
6960 __put_user(value.sharedram, &target_value->sharedram);
6961 __put_user(value.bufferram, &target_value->bufferram);
6962 __put_user(value.totalswap, &target_value->totalswap);
6963 __put_user(value.freeswap, &target_value->freeswap);
6964 __put_user(value.procs, &target_value->procs);
6965 __put_user(value.totalhigh, &target_value->totalhigh);
6966 __put_user(value.freehigh, &target_value->freehigh);
6967 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 6968 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 6969 }
6970 }
6971 break;
e5febef5 6972#ifdef TARGET_NR_ipc
31e31b8a 6973 case TARGET_NR_ipc:
8853f86e
FB		 6974 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
6975 break;
e5febef5 6976#endif
e5289087
AJ		 6977#ifdef TARGET_NR_semget
6978 case TARGET_NR_semget:
6979 ret = get_errno(semget(arg1, arg2, arg3));
6980 break;
6981#endif
6982#ifdef TARGET_NR_semop
6983 case TARGET_NR_semop:
c7128c9f 6984 ret = do_semop(arg1, arg2, arg3);
e5289087
AJ		 6985 break;
6986#endif
6987#ifdef TARGET_NR_semctl
6988 case TARGET_NR_semctl:
6989 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
6990 break;
6991#endif
eeb438c1
AJ		 6992#ifdef TARGET_NR_msgctl
6993 case TARGET_NR_msgctl:
6994 ret = do_msgctl(arg1, arg2, arg3);
6995 break;
6996#endif
6997#ifdef TARGET_NR_msgget
6998 case TARGET_NR_msgget:
6999 ret = get_errno(msgget(arg1, arg2));
7000 break;
7001#endif
7002#ifdef TARGET_NR_msgrcv
7003 case TARGET_NR_msgrcv:
7004 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
7005 break;
7006#endif
7007#ifdef TARGET_NR_msgsnd
7008 case TARGET_NR_msgsnd:
7009 ret = do_msgsnd(arg1, arg2, arg3, arg4);
7010 break;
88a8c984
RV		 7011#endif
7012#ifdef TARGET_NR_shmget
7013 case TARGET_NR_shmget:
7014 ret = get_errno(shmget(arg1, arg2, arg3));
7015 break;
7016#endif
7017#ifdef TARGET_NR_shmctl
7018 case TARGET_NR_shmctl:
7019 ret = do_shmctl(arg1, arg2, arg3);
7020 break;
7021#endif
7022#ifdef TARGET_NR_shmat
7023 case TARGET_NR_shmat:
7024 ret = do_shmat(arg1, arg2, arg3);
7025 break;
7026#endif
7027#ifdef TARGET_NR_shmdt
7028 case TARGET_NR_shmdt:
7029 ret = do_shmdt(arg1);
7030 break;
eeb438c1 7031#endif
31e31b8a
FB		 7032 case TARGET_NR_fsync:
7033 ret = get_errno(fsync(arg1));
7034 break;
31e31b8a 7035 case TARGET_NR_clone:
4ce6243d
PM		 7036 /* Linux manages to have three different orderings for its
7037 * arguments to clone(); the BACKWARDS and BACKWARDS2 defines
7038 * match the kernel's CONFIG_CLONE_* settings.
7039 * Microblaze is further special in that it uses a sixth
7040 * implicit argument to clone for the TLS pointer.
7041 */
7042#if defined(TARGET_MICROBLAZE)
a5b3bdcb 7043 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
4ce6243d
PM		 7044#elif defined(TARGET_CLONE_BACKWARDS)
7045 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
7046#elif defined(TARGET_CLONE_BACKWARDS2)
a4c075f1 7047 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
0b6d3ae0 7048#else
4ce6243d 7049 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
0b6d3ae0 7050#endif
1b6b029e 7051 break;
ec86b0fb
FB		 7052#ifdef __NR_exit_group
7053 /* new thread calls */
7054 case TARGET_NR_exit_group:
9788c9ca 7055#ifdef TARGET_GPROF
6d946cda
AJ		 7056 _mcleanup();
7057#endif
e9009676 7058 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 7059 ret = get_errno(exit_group(arg1));
7060 break;
7061#endif
31e31b8a 7062 case TARGET_NR_setdomainname:
579a97f7
FB		 7063 if (!(p = lock_user_string(arg1)))
7064 goto efault;
53a5960a
PB		 7065 ret = get_errno(setdomainname(p, arg2));
7066 unlock_user(p, arg1, 0);
31e31b8a
FB		 7067 break;
7068 case TARGET_NR_uname:
7069 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 7070 {
7071 struct new_utsname * buf;
3b46e624 7072
579a97f7
FB		 7073 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
7074 goto efault;
29e619b1
FB		 7075 ret = get_errno(sys_uname(buf));
7076 if (!is_error(ret)) {
7077 /* Overrite the native machine name with whatever is being
7078 emulated. */
da79030f 7079 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 7080 /* Allow the user to override the reported release. */
7081 if (qemu_uname_release && *qemu_uname_release)
7082 strcpy (buf->release, qemu_uname_release);
29e619b1 7083 }
53a5960a 7084 unlock_user_struct(buf, arg1, 1);
29e619b1 7085 }
31e31b8a 7086 break;
6dbad63e 7087#ifdef TARGET_I386
31e31b8a 7088 case TARGET_NR_modify_ldt:
03acab66 7089 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 7090 break;
84409ddb 7091#if !defined(TARGET_X86_64)
5cd4393b
FB		 7092 case TARGET_NR_vm86old:
7093 goto unimplemented;
7094 case TARGET_NR_vm86:
53a5960a 7095 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 7096 break;
84409ddb 7097#endif
6dbad63e 7098#endif
31e31b8a
FB		 7099 case TARGET_NR_adjtimex:
7100 goto unimplemented;
e5febef5 7101#ifdef TARGET_NR_create_module
31e31b8a 7102 case TARGET_NR_create_module:
e5febef5 7103#endif
31e31b8a
FB		 7104 case TARGET_NR_init_module:
7105 case TARGET_NR_delete_module:
e5febef5 7106#ifdef TARGET_NR_get_kernel_syms
31e31b8a 7107 case TARGET_NR_get_kernel_syms:
e5febef5 7108#endif
31e31b8a
FB		 7109 goto unimplemented;
7110 case TARGET_NR_quotactl:
7111 goto unimplemented;
7112 case TARGET_NR_getpgid:
7113 ret = get_errno(getpgid(arg1));
7114 break;
7115 case TARGET_NR_fchdir:
7116 ret = get_errno(fchdir(arg1));
7117 break;
84409ddb 7118#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 7119 case TARGET_NR_bdflush:
7120 goto unimplemented;
84409ddb 7121#endif
e5febef5 7122#ifdef TARGET_NR_sysfs
31e31b8a
FB		 7123 case TARGET_NR_sysfs:
7124 goto unimplemented;
e5febef5 7125#endif
31e31b8a 7126 case TARGET_NR_personality:
1b6b029e 7127 ret = get_errno(personality(arg1));
31e31b8a 7128 break;
e5febef5 7129#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 7130 case TARGET_NR_afs_syscall:
7131 goto unimplemented;
e5febef5 7132#endif
7a3148a9 7133#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 7134 case TARGET_NR__llseek:
7135 {
0c1592d9 7136 int64_t res;
d35b261c 7137#if !defined(__NR_llseek)
0c1592d9
PM		 7138 res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
7139 if (res == -1) {
7140 ret = get_errno(res);
7141 } else {
7142 ret = 0;
7143 }
4f2ac237 7144#else
31e31b8a 7145 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4f2ac237 7146#endif
0c1592d9
PM		 7147 if ((ret == 0) && put_user_s64(res, arg4)) {
7148 goto efault;
7149 }
31e31b8a
FB		 7150 }
7151 break;
7a3148a9 7152#endif
31e31b8a 7153 case TARGET_NR_getdents:
3307e236 7154#ifdef __NR_getdents
d83c8733 7155#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 7156 {
53a5960a 7157 struct target_dirent *target_dirp;
6556a833 7158 struct linux_dirent *dirp;
992f48a0 7159 abi_long count = arg3;
4add45b4
FB		 7160
7161 dirp = malloc(count);
0da46a6e 7162 if (!dirp) {
579a97f7 7163 ret = -TARGET_ENOMEM;
0da46a6e
TS		 7164 goto fail;
7165 }
3b46e624 7166
4add45b4
FB		 7167 ret = get_errno(sys_getdents(arg1, dirp, count));
7168 if (!is_error(ret)) {
6556a833 7169 struct linux_dirent *de;
4add45b4
FB		 7170 struct target_dirent *tde;
7171 int len = ret;
7172 int reclen, treclen;
7173 int count1, tnamelen;
7174
7175 count1 = 0;
7176 de = dirp;
579a97f7
FB		 7177 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7178 goto efault;
4add45b4
FB		 7179 tde = target_dirp;
7180 while (len > 0) {
7181 reclen = de->d_reclen;
333858b7
DL		 7182 tnamelen = reclen - offsetof(struct linux_dirent, d_name);
7183 assert(tnamelen >= 0);
7184 treclen = tnamelen + offsetof(struct target_dirent, d_name);
7185 assert(count1 + treclen <= count);
4add45b4 7186 tde->d_reclen = tswap16(treclen);
cbb21eed
MB		 7187 tde->d_ino = tswapal(de->d_ino);
7188 tde->d_off = tswapal(de->d_off);
333858b7 7189 memcpy(tde->d_name, de->d_name, tnamelen);
6556a833 7190 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 7191 len -= reclen;
1c5bf3bf 7192 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 7193 count1 += treclen;
7194 }
7195 ret = count1;
579a97f7 7196 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 7197 }
7198 free(dirp);
7199 }
7200#else
31e31b8a 7201 {
6556a833 7202 struct linux_dirent *dirp;
992f48a0 7203 abi_long count = arg3;
dab2ed99 7204
579a97f7
FB		 7205 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7206 goto efault;
72f03900 7207 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 7208 if (!is_error(ret)) {
6556a833 7209 struct linux_dirent *de;
31e31b8a
FB		 7210 int len = ret;
7211 int reclen;
7212 de = dirp;
7213 while (len > 0) {
8083a3e5 7214 reclen = de->d_reclen;
31e31b8a
FB		 7215 if (reclen > len)
7216 break;
8083a3e5 7217 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 7218 tswapls(&de->d_ino);
7219 tswapls(&de->d_off);
6556a833 7220 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 7221 len -= reclen;
7222 }
7223 }
53a5960a 7224 unlock_user(dirp, arg2, ret);
3307e236
PM		 7225 }
7226#endif
7227#else
7228 /* Implement getdents in terms of getdents64 */
7229 {
7230 struct linux_dirent64 *dirp;
7231 abi_long count = arg3;
7232
7233 dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
7234 if (!dirp) {
7235 goto efault;
7236 }
7237 ret = get_errno(sys_getdents64(arg1, dirp, count));
7238 if (!is_error(ret)) {
7239 /* Convert the dirent64 structs to target dirent. We do this
7240 * in-place, since we can guarantee that a target_dirent is no
7241 * larger than a dirent64; however this means we have to be
7242 * careful to read everything before writing in the new format.
7243 */
7244 struct linux_dirent64 *de;
7245 struct target_dirent *tde;
7246 int len = ret;
7247 int tlen = 0;
7248
7249 de = dirp;
7250 tde = (struct target_dirent *)dirp;
7251 while (len > 0) {
7252 int namelen, treclen;
7253 int reclen = de->d_reclen;
7254 uint64_t ino = de->d_ino;
7255 int64_t off = de->d_off;
7256 uint8_t type = de->d_type;
7257
7258 namelen = strlen(de->d_name);
7259 treclen = offsetof(struct target_dirent, d_name)
7260 + namelen + 2;
7261 treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long));
7262
7263 memmove(tde->d_name, de->d_name, namelen + 1);
7264 tde->d_ino = tswapal(ino);
7265 tde->d_off = tswapal(off);
7266 tde->d_reclen = tswap16(treclen);
7267 /* The target_dirent type is in what was formerly a padding
7268 * byte at the end of the structure:
7269 */
7270 *(((char *)tde) + treclen - 1) = type;
7271
7272 de = (struct linux_dirent64 *)((char *)de + reclen);
7273 tde = (struct target_dirent *)((char *)tde + treclen);
7274 len -= reclen;
7275 tlen += treclen;
7276 }
7277 ret = tlen;
7278 }
7279 unlock_user(dirp, arg2, ret);
31e31b8a 7280 }
4add45b4 7281#endif
31e31b8a 7282 break;
3ae43202 7283#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 7284 case TARGET_NR_getdents64:
7285 {
6556a833 7286 struct linux_dirent64 *dirp;
992f48a0 7287 abi_long count = arg3;
579a97f7
FB		 7288 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7289 goto efault;
dab2ed99
FB		 7290 ret = get_errno(sys_getdents64(arg1, dirp, count));
7291 if (!is_error(ret)) {
6556a833 7292 struct linux_dirent64 *de;
dab2ed99
FB		 7293 int len = ret;
7294 int reclen;
7295 de = dirp;
7296 while (len > 0) {
8083a3e5 7297 reclen = de->d_reclen;
dab2ed99
FB		 7298 if (reclen > len)
7299 break;
8083a3e5 7300 de->d_reclen = tswap16(reclen);
8582a53a
FB		 7301 tswap64s((uint64_t *)&de->d_ino);
7302 tswap64s((uint64_t *)&de->d_off);
6556a833 7303 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 7304 len -= reclen;
7305 }
7306 }
53a5960a 7307 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 7308 }
7309 break;
a541f297 7310#endif /* TARGET_NR_getdents64 */
9468a5d4 7311#if defined(TARGET_NR__newselect)
31e31b8a 7312 case TARGET_NR__newselect:
53a5960a 7313 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 7314 break;
e5febef5 7315#endif
d8035d4c
MF		 7316#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
7317# ifdef TARGET_NR_poll
9de5e440 7318 case TARGET_NR_poll:
d8035d4c
MF		 7319# endif
7320# ifdef TARGET_NR_ppoll
7321 case TARGET_NR_ppoll:
7322# endif
9de5e440 7323 {
53a5960a 7324 struct target_pollfd *target_pfd;
9de5e440
FB		 7325 unsigned int nfds = arg2;
7326 int timeout = arg3;
7327 struct pollfd *pfd;
7854b056 7328 unsigned int i;
9de5e440 7329
579a97f7
FB		 7330 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
7331 if (!target_pfd)
7332 goto efault;
d8035d4c 7333
9de5e440
FB		 7334 pfd = alloca(sizeof(struct pollfd) * nfds);
7335 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 7336 pfd[i].fd = tswap32(target_pfd[i].fd);
7337 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440 7338 }
d8035d4c
MF		 7339
7340# ifdef TARGET_NR_ppoll
7341 if (num == TARGET_NR_ppoll) {
7342 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
7343 target_sigset_t *target_set;
7344 sigset_t _set, *set = &_set;
7345
7346 if (arg3) {
7347 if (target_to_host_timespec(timeout_ts, arg3)) {
7348 unlock_user(target_pfd, arg1, 0);
7349 goto efault;
7350 }
7351 } else {
7352 timeout_ts = NULL;
7353 }
7354
7355 if (arg4) {
7356 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
7357 if (!target_set) {
7358 unlock_user(target_pfd, arg1, 0);
7359 goto efault;
7360 }
7361 target_to_host_sigset(set, target_set);
7362 } else {
7363 set = NULL;
7364 }
7365
7366 ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
7367
7368 if (!is_error(ret) && arg3) {
7369 host_to_target_timespec(arg3, timeout_ts);
7370 }
7371 if (arg4) {
7372 unlock_user(target_set, arg4, 0);
7373 }
7374 } else
7375# endif
7376 ret = get_errno(poll(pfd, nfds, timeout));
7377
9de5e440
FB		 7378 if (!is_error(ret)) {
7379 for(i = 0; i < nfds; i++) {
5cd4393b 7380 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 7381 }
7382 }
30cb4cde 7383 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9de5e440
FB		 7384 }
7385 break;
e5febef5 7386#endif
31e31b8a 7387 case TARGET_NR_flock:
9de5e440
FB		 7388 /* NOTE: the flock constant seems to be the same for every
7389 Linux platform */
7390 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 7391 break;
7392 case TARGET_NR_readv:
7393 {
f287b2c2
RH		 7394 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
7395 if (vec != NULL) {
7396 ret = get_errno(readv(arg1, vec, arg3));
7397 unlock_iovec(vec, arg2, arg3, 1);
7398 } else {
7399 ret = -host_to_target_errno(errno);
7400 }
31e31b8a
FB		 7401 }
7402 break;
7403 case TARGET_NR_writev:
7404 {
f287b2c2
RH		 7405 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
7406 if (vec != NULL) {
7407 ret = get_errno(writev(arg1, vec, arg3));
7408 unlock_iovec(vec, arg2, arg3, 0);
7409 } else {
7410 ret = -host_to_target_errno(errno);
7411 }
31e31b8a
FB		 7412 }
7413 break;
7414 case TARGET_NR_getsid:
7415 ret = get_errno(getsid(arg1));
7416 break;
7a3148a9 7417#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 7418 case TARGET_NR_fdatasync:
5cd4393b
FB		 7419 ret = get_errno(fdatasync(arg1));
7420 break;
7a3148a9 7421#endif
31e31b8a 7422 case TARGET_NR__sysctl:
0da46a6e 7423 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 7424 return value. */
0da46a6e
TS		 7425 ret = -TARGET_ENOTDIR;
7426 break;
737de1d1
MF		 7427 case TARGET_NR_sched_getaffinity:
7428 {
7429 unsigned int mask_size;
7430 unsigned long *mask;
7431
7432 /*
7433 * sched_getaffinity needs multiples of ulong, so need to take
7434 * care of mismatches between target ulong and host ulong sizes.
7435 */
7436 if (arg2 & (sizeof(abi_ulong) - 1)) {
7437 ret = -TARGET_EINVAL;
7438 break;
7439 }
7440 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7441
7442 mask = alloca(mask_size);
7443 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
7444
7445 if (!is_error(ret)) {
cd18f05e 7446 if (copy_to_user(arg3, mask, ret)) {
737de1d1
MF		 7447 goto efault;
7448 }
737de1d1
MF		 7449 }
7450 }
7451 break;
7452 case TARGET_NR_sched_setaffinity:
7453 {
7454 unsigned int mask_size;
7455 unsigned long *mask;
7456
7457 /*
7458 * sched_setaffinity needs multiples of ulong, so need to take
7459 * care of mismatches between target ulong and host ulong sizes.
7460 */
7461 if (arg2 & (sizeof(abi_ulong) - 1)) {
7462 ret = -TARGET_EINVAL;
7463 break;
7464 }
7465 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7466
7467 mask = alloca(mask_size);
7468 if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
7469 goto efault;
7470 }
7471 memcpy(mask, p, arg2);
7472 unlock_user_struct(p, arg2, 0);
7473
7474 ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
7475 }
7476 break;
31e31b8a 7477 case TARGET_NR_sched_setparam:
5cd4393b 7478 {
53a5960a 7479 struct sched_param *target_schp;
5cd4393b 7480 struct sched_param schp;
53a5960a 7481
579a97f7
FB		 7482 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
7483 goto efault;
5cd4393b 7484 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7485 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 7486 ret = get_errno(sched_setparam(arg1, &schp));
7487 }
7488 break;
31e31b8a 7489 case TARGET_NR_sched_getparam:
5cd4393b 7490 {
53a5960a 7491 struct sched_param *target_schp;
5cd4393b
FB		 7492 struct sched_param schp;
7493 ret = get_errno(sched_getparam(arg1, &schp));
7494 if (!is_error(ret)) {
579a97f7
FB		 7495 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
7496 goto efault;
5cd4393b 7497 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 7498 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 7499 }
7500 }
7501 break;
31e31b8a 7502 case TARGET_NR_sched_setscheduler:
5cd4393b 7503 {
53a5960a 7504 struct sched_param *target_schp;
5cd4393b 7505 struct sched_param schp;
579a97f7
FB		 7506 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
7507 goto efault;
5cd4393b 7508 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7509 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 7510 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
7511 }
7512 break;
31e31b8a 7513 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 7514 ret = get_errno(sched_getscheduler(arg1));
7515 break;
31e31b8a
FB		 7516 case TARGET_NR_sched_yield:
7517 ret = get_errno(sched_yield());
7518 break;
7519 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 7520 ret = get_errno(sched_get_priority_max(arg1));
7521 break;
31e31b8a 7522 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 7523 ret = get_errno(sched_get_priority_min(arg1));
7524 break;
31e31b8a 7525 case TARGET_NR_sched_rr_get_interval:
5cd4393b 7526 {
5cd4393b
FB		 7527 struct timespec ts;
7528 ret = get_errno(sched_rr_get_interval(arg1, &ts));
7529 if (!is_error(ret)) {
53a5960a 7530 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 7531 }
7532 }
7533 break;
31e31b8a 7534 case TARGET_NR_nanosleep:
1b6b029e 7535 {
1b6b029e 7536 struct timespec req, rem;
53a5960a 7537 target_to_host_timespec(&req, arg1);
1b6b029e 7538 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 7539 if (is_error(ret) && arg2) {
7540 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 7541 }
7542 }
7543 break;
e5febef5 7544#ifdef TARGET_NR_query_module
31e31b8a 7545 case TARGET_NR_query_module:
5cd4393b 7546 goto unimplemented;
e5febef5
TS		 7547#endif
7548#ifdef TARGET_NR_nfsservctl
31e31b8a 7549 case TARGET_NR_nfsservctl:
5cd4393b 7550 goto unimplemented;
e5febef5 7551#endif
31e31b8a 7552 case TARGET_NR_prctl:
1e6722f8
PM		 7553 switch (arg1) {
7554 case PR_GET_PDEATHSIG:
7555 {
7556 int deathsig;
7557 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
7558 if (!is_error(ret) && arg2
7559 && put_user_ual(deathsig, arg2)) {
7560 goto efault;
e5574487 7561 }
1e6722f8
PM		 7562 break;
7563 }
db9526b1
PM		 7564#ifdef PR_GET_NAME
7565 case PR_GET_NAME:
7566 {
7567 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
7568 if (!name) {
7569 goto efault;
7570 }
7571 ret = get_errno(prctl(arg1, (unsigned long)name,
7572 arg3, arg4, arg5));
7573 unlock_user(name, arg2, 16);
7574 break;
7575 }
7576 case PR_SET_NAME:
7577 {
7578 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
7579 if (!name) {
7580 goto efault;
7581 }
7582 ret = get_errno(prctl(arg1, (unsigned long)name,
7583 arg3, arg4, arg5));
7584 unlock_user(name, arg2, 0);
7585 break;
7586 }
7587#endif
1e6722f8
PM		 7588 default:
7589 /* Most prctl options have no pointer arguments */
7590 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
7591 break;
7592 }
39b9aae1 7593 break;
d2fd1af7
FB		 7594#ifdef TARGET_NR_arch_prctl
7595 case TARGET_NR_arch_prctl:
7596#if defined(TARGET_I386) && !defined(TARGET_ABI32)
7597 ret = do_arch_prctl(cpu_env, arg1, arg2);
7598 break;
7599#else
7600 goto unimplemented;
7601#endif
7602#endif
f2c7ba15
AJ		 7603#ifdef TARGET_NR_pread64
7604 case TARGET_NR_pread64:
ae017a5b
AG		 7605 if (regpairs_aligned(cpu_env)) {
7606 arg4 = arg5;
7607 arg5 = arg6;
7608 }
f2c7ba15
AJ		 7609 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7610 goto efault;
7611 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
7612 unlock_user(p, arg2, ret);
7613 break;
7614 case TARGET_NR_pwrite64:
ae017a5b
AG		 7615 if (regpairs_aligned(cpu_env)) {
7616 arg4 = arg5;
7617 arg5 = arg6;
7618 }
f2c7ba15
AJ		 7619 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7620 goto efault;
7621 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
7622 unlock_user(p, arg2, 0);
7623 break;
67867308 7624#endif
31e31b8a 7625 case TARGET_NR_getcwd:
579a97f7
FB		 7626 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
7627 goto efault;
53a5960a
PB		 7628 ret = get_errno(sys_getcwd1(p, arg2));
7629 unlock_user(p, arg1, ret);
31e31b8a
FB		 7630 break;
7631 case TARGET_NR_capget:
5cd4393b 7632 goto unimplemented;
31e31b8a 7633 case TARGET_NR_capset:
5cd4393b 7634 goto unimplemented;
31e31b8a 7635 case TARGET_NR_sigaltstack:
198a74de 7636#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154 7637 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
d962783e 7638 defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC)
9349b4f9 7639 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env));
a04e134a
TS		 7640 break;
7641#else
5cd4393b 7642 goto unimplemented;
a04e134a 7643#endif
a8fd1aba
PM		 7644
7645#ifdef CONFIG_SENDFILE
7646 case TARGET_NR_sendfile:
7647 {
7648 off_t *offp = NULL;
7649 off_t off;
7650 if (arg3) {
7651 ret = get_user_sal(off, arg3);
7652 if (is_error(ret)) {
7653 break;
7654 }
7655 offp = &off;
7656 }
7657 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
7658 if (!is_error(ret) && arg3) {
7659 abi_long ret2 = put_user_sal(off, arg3);
7660 if (is_error(ret2)) {
7661 ret = ret2;
7662 }
7663 }
7664 break;
7665 }
7666#ifdef TARGET_NR_sendfile64
7667 case TARGET_NR_sendfile64:
7668 {
7669 off_t *offp = NULL;
7670 off_t off;
7671 if (arg3) {
7672 ret = get_user_s64(off, arg3);
7673 if (is_error(ret)) {
7674 break;
7675 }
7676 offp = &off;
7677 }
7678 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
7679 if (!is_error(ret) && arg3) {
7680 abi_long ret2 = put_user_s64(off, arg3);
7681 if (is_error(ret2)) {
7682 ret = ret2;
7683 }
7684 }
7685 break;
7686 }
7687#endif
7688#else
31e31b8a 7689 case TARGET_NR_sendfile:
7edd2cf1 7690#ifdef TARGET_NR_sendfile64
a8fd1aba
PM		 7691 case TARGET_NR_sendfile64:
7692#endif
5cd4393b 7693 goto unimplemented;
a8fd1aba
PM		 7694#endif
7695
ebc05488 7696#ifdef TARGET_NR_getpmsg
31e31b8a 7697 case TARGET_NR_getpmsg:
5cd4393b 7698 goto unimplemented;
ebc05488
FB		 7699#endif
7700#ifdef TARGET_NR_putpmsg
31e31b8a 7701 case TARGET_NR_putpmsg:
5cd4393b 7702 goto unimplemented;
ebc05488 7703#endif
048f6b4d 7704#ifdef TARGET_NR_vfork
31e31b8a 7705 case TARGET_NR_vfork:
d865bab5
PB		 7706 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
7707 0, 0, 0, 0));
31e31b8a 7708 break;
048f6b4d 7709#endif
ebc05488 7710#ifdef TARGET_NR_ugetrlimit
31e31b8a 7711 case TARGET_NR_ugetrlimit:
728584be
FB		 7712 {
7713 struct rlimit rlim;
e22b7015
WT		 7714 int resource = target_to_host_resource(arg1);
7715 ret = get_errno(getrlimit(resource, &rlim));
728584be 7716 if (!is_error(ret)) {
53a5960a 7717 struct target_rlimit *target_rlim;
579a97f7
FB		 7718 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
7719 goto efault;
81bbe906
TY		 7720 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
7721 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 7722 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 7723 }
7724 break;
7725 }
ebc05488 7726#endif
a315a145 7727#ifdef TARGET_NR_truncate64
31e31b8a 7728 case TARGET_NR_truncate64:
579a97f7
FB		 7729 if (!(p = lock_user_string(arg1)))
7730 goto efault;
53a5960a
PB		 7731 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
7732 unlock_user(p, arg1, 0);
667f38b1 7733 break;
a315a145
FB		 7734#endif
7735#ifdef TARGET_NR_ftruncate64
31e31b8a 7736 case TARGET_NR_ftruncate64:
ce4defa0 7737 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 7738 break;
a315a145
FB		 7739#endif
7740#ifdef TARGET_NR_stat64
31e31b8a 7741 case TARGET_NR_stat64:
579a97f7
FB		 7742 if (!(p = lock_user_string(arg1)))
7743 goto efault;
53a5960a
PB		 7744 ret = get_errno(stat(path(p), &st));
7745 unlock_user(p, arg1, 0);
6a24a778
AZ		 7746 if (!is_error(ret))
7747 ret = host_to_target_stat64(cpu_env, arg2, &st);
7748 break;
a315a145
FB		 7749#endif
7750#ifdef TARGET_NR_lstat64
31e31b8a 7751 case TARGET_NR_lstat64:
579a97f7
FB		 7752 if (!(p = lock_user_string(arg1)))
7753 goto efault;
53a5960a
PB		 7754 ret = get_errno(lstat(path(p), &st));
7755 unlock_user(p, arg1, 0);
6a24a778
AZ		 7756 if (!is_error(ret))
7757 ret = host_to_target_stat64(cpu_env, arg2, &st);
7758 break;
a315a145
FB		 7759#endif
7760#ifdef TARGET_NR_fstat64
31e31b8a 7761 case TARGET_NR_fstat64:
6a24a778
AZ		 7762 ret = get_errno(fstat(arg1, &st));
7763 if (!is_error(ret))
7764 ret = host_to_target_stat64(cpu_env, arg2, &st);
7765 break;
ce4defa0 7766#endif
c0d472b1 7767#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
9d33b76b 7768#ifdef TARGET_NR_fstatat64
6a24a778 7769 case TARGET_NR_fstatat64:
9d33b76b
AJ		 7770#endif
7771#ifdef TARGET_NR_newfstatat
7772 case TARGET_NR_newfstatat:
7773#endif
6a24a778
AZ		 7774 if (!(p = lock_user_string(arg2)))
7775 goto efault;
c0d472b1 7776 ret = get_errno(fstatat(arg1, path(p), &st, arg4));
6a24a778
AZ		 7777 if (!is_error(ret))
7778 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 7779 break;
a315a145 7780#endif
67867308 7781 case TARGET_NR_lchown:
579a97f7
FB		 7782 if (!(p = lock_user_string(arg1)))
7783 goto efault;
53a5960a
PB		 7784 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
7785 unlock_user(p, arg1, 0);
67867308 7786 break;
0c866a7e 7787#ifdef TARGET_NR_getuid
67867308
FB		 7788 case TARGET_NR_getuid:
7789 ret = get_errno(high2lowuid(getuid()));
7790 break;
0c866a7e
RV		 7791#endif
7792#ifdef TARGET_NR_getgid
67867308
FB		 7793 case TARGET_NR_getgid:
7794 ret = get_errno(high2lowgid(getgid()));
7795 break;
0c866a7e
RV		 7796#endif
7797#ifdef TARGET_NR_geteuid
67867308
FB		 7798 case TARGET_NR_geteuid:
7799 ret = get_errno(high2lowuid(geteuid()));
7800 break;
0c866a7e
RV		 7801#endif
7802#ifdef TARGET_NR_getegid
67867308
FB		 7803 case TARGET_NR_getegid:
7804 ret = get_errno(high2lowgid(getegid()));
7805 break;
0c866a7e 7806#endif
67867308
FB		 7807 case TARGET_NR_setreuid:
7808 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
7809 break;
7810 case TARGET_NR_setregid:
7811 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
7812 break;
7813 case TARGET_NR_getgroups:
7814 {
7815 int gidsetsize = arg1;
0c866a7e 7816 target_id *target_grouplist;
67867308
FB		 7817 gid_t *grouplist;
7818 int i;
7819
7820 grouplist = alloca(gidsetsize * sizeof(gid_t));
7821 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7822 if (gidsetsize == 0)
7823 break;
67867308 7824 if (!is_error(ret)) {
03903ffc 7825 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
579a97f7
FB		 7826 if (!target_grouplist)
7827 goto efault;
a2155fcc 7828 for(i = 0;i < ret; i++)
0c866a7e 7829 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
03903ffc 7830 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
67867308
FB		 7831 }
7832 }
7833 break;
7834 case TARGET_NR_setgroups:
7835 {
7836 int gidsetsize = arg1;
0c866a7e 7837 target_id *target_grouplist;
f2b79ce9 7838 gid_t *grouplist = NULL;
67867308 7839 int i;
f2b79ce9
DA		 7840 if (gidsetsize) {
7841 grouplist = alloca(gidsetsize * sizeof(gid_t));
03903ffc 7842 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
f2b79ce9
DA		 7843 if (!target_grouplist) {
7844 ret = -TARGET_EFAULT;
7845 goto fail;
7846 }
7847 for (i = 0; i < gidsetsize; i++) {
7848 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
7849 }
7850 unlock_user(target_grouplist, arg2, 0);
579a97f7 7851 }
67867308
FB		 7852 ret = get_errno(setgroups(gidsetsize, grouplist));
7853 }
7854 break;
7855 case TARGET_NR_fchown:
7856 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
7857 break;
c0d472b1 7858#if defined(TARGET_NR_fchownat)
ccfa72b7 7859 case TARGET_NR_fchownat:
579a97f7
FB		 7860 if (!(p = lock_user_string(arg2)))
7861 goto efault;
c0d472b1
PM		 7862 ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
7863 low2highgid(arg4), arg5));
579a97f7 7864 unlock_user(p, arg2, 0);
ccfa72b7
TS		 7865 break;
7866#endif
67867308
FB		 7867#ifdef TARGET_NR_setresuid
7868 case TARGET_NR_setresuid:
5fafdf24
TS		 7869 ret = get_errno(setresuid(low2highuid(arg1),
7870 low2highuid(arg2),
67867308
FB		 7871 low2highuid(arg3)));
7872 break;
7873#endif
7874#ifdef TARGET_NR_getresuid
7875 case TARGET_NR_getresuid:
7876 {
53a5960a 7877 uid_t ruid, euid, suid;
67867308
FB		 7878 ret = get_errno(getresuid(&ruid, &euid, &suid));
7879 if (!is_error(ret)) {
76ca310a
PM		 7880 if (put_user_id(high2lowuid(ruid), arg1)
7881 || put_user_id(high2lowuid(euid), arg2)
7882 || put_user_id(high2lowuid(suid), arg3))
2f619698 7883 goto efault;
67867308
FB		 7884 }
7885 }
7886 break;
7887#endif
7888#ifdef TARGET_NR_getresgid
7889 case TARGET_NR_setresgid:
5fafdf24
TS		 7890 ret = get_errno(setresgid(low2highgid(arg1),
7891 low2highgid(arg2),
67867308
FB		 7892 low2highgid(arg3)));
7893 break;
7894#endif
7895#ifdef TARGET_NR_getresgid
7896 case TARGET_NR_getresgid:
7897 {
53a5960a 7898 gid_t rgid, egid, sgid;
67867308
FB		 7899 ret = get_errno(getresgid(&rgid, &egid, &sgid));
7900 if (!is_error(ret)) {
76ca310a
PM		 7901 if (put_user_id(high2lowgid(rgid), arg1)
7902 || put_user_id(high2lowgid(egid), arg2)
7903 || put_user_id(high2lowgid(sgid), arg3))
2f619698 7904 goto efault;
67867308
FB		 7905 }
7906 }
7907 break;
7908#endif
7909 case TARGET_NR_chown:
579a97f7
FB		 7910 if (!(p = lock_user_string(arg1)))
7911 goto efault;
53a5960a
PB		 7912 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
7913 unlock_user(p, arg1, 0);
67867308
FB		 7914 break;
7915 case TARGET_NR_setuid:
7916 ret = get_errno(setuid(low2highuid(arg1)));
7917 break;
7918 case TARGET_NR_setgid:
7919 ret = get_errno(setgid(low2highgid(arg1)));
7920 break;
7921 case TARGET_NR_setfsuid:
7922 ret = get_errno(setfsuid(arg1));
7923 break;
7924 case TARGET_NR_setfsgid:
7925 ret = get_errno(setfsgid(arg1));
7926 break;
67867308 7927
a315a145 7928#ifdef TARGET_NR_lchown32
31e31b8a 7929 case TARGET_NR_lchown32:
579a97f7
FB		 7930 if (!(p = lock_user_string(arg1)))
7931 goto efault;
53a5960a
PB		 7932 ret = get_errno(lchown(p, arg2, arg3));
7933 unlock_user(p, arg1, 0);
b03c60f3 7934 break;
a315a145
FB		 7935#endif
7936#ifdef TARGET_NR_getuid32
31e31b8a 7937 case TARGET_NR_getuid32:
b03c60f3
FB		 7938 ret = get_errno(getuid());
7939 break;
a315a145 7940#endif
64b4d28c
AJ		 7941
7942#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
7943 /* Alpha specific */
7944 case TARGET_NR_getxuid:
ba0e276d
RH		 7945 {
7946 uid_t euid;
7947 euid=geteuid();
7948 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
7949 }
64b4d28c
AJ		 7950 ret = get_errno(getuid());
7951 break;
7952#endif
7953#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
7954 /* Alpha specific */
7955 case TARGET_NR_getxgid:
ba0e276d
RH		 7956 {
7957 uid_t egid;
7958 egid=getegid();
7959 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
7960 }
64b4d28c
AJ		 7961 ret = get_errno(getgid());
7962 break;
7963#endif
ba0e276d
RH		 7964#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
7965 /* Alpha specific */
7966 case TARGET_NR_osf_getsysinfo:
7967 ret = -TARGET_EOPNOTSUPP;
7968 switch (arg1) {
7969 case TARGET_GSI_IEEE_FP_CONTROL:
7970 {
7971 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
7972
7973 /* Copied from linux ieee_fpcr_to_swcr. */
7974 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
7975 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
7976 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
7977 | SWCR_TRAP_ENABLE_DZE
7978 | SWCR_TRAP_ENABLE_OVF);
7979 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
7980 | SWCR_TRAP_ENABLE_INE);
7981 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
7982 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
7983
7984 if (put_user_u64 (swcr, arg2))
7985 goto efault;
7986 ret = 0;
7987 }
7988 break;
7989
7990 /* case GSI_IEEE_STATE_AT_SIGNAL:
7991 -- Not implemented in linux kernel.
7992 case GSI_UACPROC:
7993 -- Retrieves current unaligned access state; not much used.
7994 case GSI_PROC_TYPE:
7995 -- Retrieves implver information; surely not used.
7996 case GSI_GET_HWRPB:
7997 -- Grabs a copy of the HWRPB; surely not used.
7998 */
7999 }
8000 break;
8001#endif
8002#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
8003 /* Alpha specific */
8004 case TARGET_NR_osf_setsysinfo:
8005 ret = -TARGET_EOPNOTSUPP;
8006 switch (arg1) {
8007 case TARGET_SSI_IEEE_FP_CONTROL:
ba0e276d
RH		 8008 {
8009 uint64_t swcr, fpcr, orig_fpcr;
8010
6e06d515 8011 if (get_user_u64 (swcr, arg2)) {
ba0e276d 8012 goto efault;
6e06d515
RH		 8013 }
8014 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d
RH		 8015 fpcr = orig_fpcr & FPCR_DYN_MASK;
8016
8017 /* Copied from linux ieee_swcr_to_fpcr. */
8018 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
8019 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
8020 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
8021 | SWCR_TRAP_ENABLE_DZE
8022 | SWCR_TRAP_ENABLE_OVF)) << 48;
8023 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
8024 | SWCR_TRAP_ENABLE_INE)) << 57;
8025 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
8026 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
8027
6e06d515 8028 cpu_alpha_store_fpcr(cpu_env, fpcr);
ba0e276d 8029 ret = 0;
6e06d515
RH		 8030 }
8031 break;
8032
8033 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
8034 {
8035 uint64_t exc, fpcr, orig_fpcr;
8036 int si_code;
8037
8038 if (get_user_u64(exc, arg2)) {
8039 goto efault;
8040 }
ba0e276d 8041
6e06d515 8042 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d 8043
6e06d515
RH		 8044 /* We only add to the exception status here. */
8045 fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
8046
8047 cpu_alpha_store_fpcr(cpu_env, fpcr);
8048 ret = 0;
8049
8050 /* Old exceptions are not signaled. */
8051 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
8052
8053 /* If any exceptions set by this call,
8054 and are unmasked, send a signal. */
8055 si_code = 0;
8056 if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
8057 si_code = TARGET_FPE_FLTRES;
8058 }
8059 if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
8060 si_code = TARGET_FPE_FLTUND;
8061 }
8062 if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
8063 si_code = TARGET_FPE_FLTOVF;
8064 }
8065 if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
8066 si_code = TARGET_FPE_FLTDIV;
8067 }
8068 if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
8069 si_code = TARGET_FPE_FLTINV;
8070 }
8071 if (si_code != 0) {
8072 target_siginfo_t info;
8073 info.si_signo = SIGFPE;
8074 info.si_errno = 0;
8075 info.si_code = si_code;
8076 info._sifields._sigfault._addr
8077 = ((CPUArchState *)cpu_env)->pc;
8078 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
ba0e276d
RH		 8079 }
8080 }
8081 break;
8082
8083 /* case SSI_NVPAIRS:
8084 -- Used with SSIN_UACPROC to enable unaligned accesses.
8085 case SSI_IEEE_STATE_AT_SIGNAL:
8086 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
8087 -- Not implemented in linux kernel
8088 */
8089 }
8090 break;
8091#endif
8092#ifdef TARGET_NR_osf_sigprocmask
8093 /* Alpha specific. */
8094 case TARGET_NR_osf_sigprocmask:
8095 {
8096 abi_ulong mask;
bc088ba1 8097 int how;
ba0e276d
RH		 8098 sigset_t set, oldset;
8099
8100 switch(arg1) {
8101 case TARGET_SIG_BLOCK:
8102 how = SIG_BLOCK;
8103 break;
8104 case TARGET_SIG_UNBLOCK:
8105 how = SIG_UNBLOCK;
8106 break;
8107 case TARGET_SIG_SETMASK:
8108 how = SIG_SETMASK;
8109 break;
8110 default:
8111 ret = -TARGET_EINVAL;
8112 goto fail;
8113 }
8114 mask = arg2;
8115 target_to_host_old_sigset(&set, &mask);
bc088ba1 8116 sigprocmask(how, &set, &oldset);
ba0e276d
RH		 8117 host_to_target_old_sigset(&mask, &oldset);
8118 ret = mask;
8119 }
8120 break;
8121#endif
64b4d28c 8122
a315a145 8123#ifdef TARGET_NR_getgid32
31e31b8a 8124 case TARGET_NR_getgid32:
b03c60f3
FB		 8125 ret = get_errno(getgid());
8126 break;
a315a145
FB		 8127#endif
8128#ifdef TARGET_NR_geteuid32
31e31b8a 8129 case TARGET_NR_geteuid32:
b03c60f3
FB		 8130 ret = get_errno(geteuid());
8131 break;
a315a145
FB		 8132#endif
8133#ifdef TARGET_NR_getegid32
31e31b8a 8134 case TARGET_NR_getegid32:
b03c60f3
FB		 8135 ret = get_errno(getegid());
8136 break;
a315a145
FB		 8137#endif
8138#ifdef TARGET_NR_setreuid32
31e31b8a 8139 case TARGET_NR_setreuid32:
b03c60f3
FB		 8140 ret = get_errno(setreuid(arg1, arg2));
8141 break;
a315a145
FB		 8142#endif
8143#ifdef TARGET_NR_setregid32
31e31b8a 8144 case TARGET_NR_setregid32:
b03c60f3
FB		 8145 ret = get_errno(setregid(arg1, arg2));
8146 break;
a315a145
FB		 8147#endif
8148#ifdef TARGET_NR_getgroups32
31e31b8a 8149 case TARGET_NR_getgroups32:
99c475ab
FB		 8150 {
8151 int gidsetsize = arg1;
53a5960a 8152 uint32_t *target_grouplist;
99c475ab
FB		 8153 gid_t *grouplist;
8154 int i;
8155
8156 grouplist = alloca(gidsetsize * sizeof(gid_t));
8157 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 8158 if (gidsetsize == 0)
8159 break;
99c475ab 8160 if (!is_error(ret)) {
579a97f7
FB		 8161 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
8162 if (!target_grouplist) {
8163 ret = -TARGET_EFAULT;
8164 goto fail;
8165 }
a2155fcc 8166 for(i = 0;i < ret; i++)
53a5960a
PB		 8167 target_grouplist[i] = tswap32(grouplist[i]);
8168 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 8169 }
8170 }
8171 break;
a315a145
FB		 8172#endif
8173#ifdef TARGET_NR_setgroups32
31e31b8a 8174 case TARGET_NR_setgroups32:
99c475ab
FB		 8175 {
8176 int gidsetsize = arg1;
53a5960a 8177 uint32_t *target_grouplist;
99c475ab
FB		 8178 gid_t *grouplist;
8179 int i;
3b46e624 8180
99c475ab 8181 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 8182 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
8183 if (!target_grouplist) {
8184 ret = -TARGET_EFAULT;
8185 goto fail;
8186 }
99c475ab 8187 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 8188 grouplist[i] = tswap32(target_grouplist[i]);
8189 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 8190 ret = get_errno(setgroups(gidsetsize, grouplist));
8191 }
8192 break;
a315a145
FB		 8193#endif
8194#ifdef TARGET_NR_fchown32
31e31b8a 8195 case TARGET_NR_fchown32:
b03c60f3
FB		 8196 ret = get_errno(fchown(arg1, arg2, arg3));
8197 break;
a315a145
FB		 8198#endif
8199#ifdef TARGET_NR_setresuid32
31e31b8a 8200 case TARGET_NR_setresuid32:
b03c60f3
FB		 8201 ret = get_errno(setresuid(arg1, arg2, arg3));
8202 break;
a315a145
FB		 8203#endif
8204#ifdef TARGET_NR_getresuid32
31e31b8a 8205 case TARGET_NR_getresuid32:
b03c60f3 8206 {
53a5960a 8207 uid_t ruid, euid, suid;
b03c60f3
FB		 8208 ret = get_errno(getresuid(&ruid, &euid, &suid));
8209 if (!is_error(ret)) {
2f619698
FB		 8210 if (put_user_u32(ruid, arg1)
8211 || put_user_u32(euid, arg2)
8212 || put_user_u32(suid, arg3))
8213 goto efault;
b03c60f3
FB		 8214 }
8215 }
8216 break;
a315a145
FB		 8217#endif
8218#ifdef TARGET_NR_setresgid32
31e31b8a 8219 case TARGET_NR_setresgid32:
b03c60f3
FB		 8220 ret = get_errno(setresgid(arg1, arg2, arg3));
8221 break;
a315a145
FB		 8222#endif
8223#ifdef TARGET_NR_getresgid32
31e31b8a 8224 case TARGET_NR_getresgid32:
b03c60f3 8225 {
53a5960a 8226 gid_t rgid, egid, sgid;
b03c60f3
FB		 8227 ret = get_errno(getresgid(&rgid, &egid, &sgid));
8228 if (!is_error(ret)) {
2f619698
FB		 8229 if (put_user_u32(rgid, arg1)
8230 || put_user_u32(egid, arg2)
8231 || put_user_u32(sgid, arg3))
8232 goto efault;
b03c60f3
FB		 8233 }
8234 }
8235 break;
a315a145
FB		 8236#endif
8237#ifdef TARGET_NR_chown32
31e31b8a 8238 case TARGET_NR_chown32:
579a97f7
FB		 8239 if (!(p = lock_user_string(arg1)))
8240 goto efault;
53a5960a
PB		 8241 ret = get_errno(chown(p, arg2, arg3));
8242 unlock_user(p, arg1, 0);
b03c60f3 8243 break;
a315a145
FB		 8244#endif
8245#ifdef TARGET_NR_setuid32
31e31b8a 8246 case TARGET_NR_setuid32:
b03c60f3
FB		 8247 ret = get_errno(setuid(arg1));
8248 break;
a315a145
FB		 8249#endif
8250#ifdef TARGET_NR_setgid32
31e31b8a 8251 case TARGET_NR_setgid32:
b03c60f3
FB		 8252 ret = get_errno(setgid(arg1));
8253 break;
a315a145
FB		 8254#endif
8255#ifdef TARGET_NR_setfsuid32
31e31b8a 8256 case TARGET_NR_setfsuid32:
b03c60f3
FB		 8257 ret = get_errno(setfsuid(arg1));
8258 break;
a315a145
FB		 8259#endif
8260#ifdef TARGET_NR_setfsgid32
31e31b8a 8261 case TARGET_NR_setfsgid32:
b03c60f3
FB		 8262 ret = get_errno(setfsgid(arg1));
8263 break;
a315a145 8264#endif
67867308 8265
31e31b8a 8266 case TARGET_NR_pivot_root:
b03c60f3 8267 goto unimplemented;
ffa65c3b 8268#ifdef TARGET_NR_mincore
31e31b8a 8269 case TARGET_NR_mincore:
04bb9ace
AJ		 8270 {
8271 void *a;
8272 ret = -TARGET_EFAULT;
8273 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
8274 goto efault;
8275 if (!(p = lock_user_string(arg3)))
8276 goto mincore_fail;
8277 ret = get_errno(mincore(a, arg2, p));
8278 unlock_user(p, arg3, ret);
8279 mincore_fail:
8280 unlock_user(a, arg1, 0);
8281 }
8282 break;
ffa65c3b 8283#endif
408321b6
AJ		 8284#ifdef TARGET_NR_arm_fadvise64_64
8285 case TARGET_NR_arm_fadvise64_64:
8286 {
8287 /*
8288 * arm_fadvise64_64 looks like fadvise64_64 but
8289 * with different argument order
8290 */
8291 abi_long temp;
8292 temp = arg3;
8293 arg3 = arg4;
8294 arg4 = temp;
8295 }
8296#endif
e72d2cc7 8297#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 8298#ifdef TARGET_NR_fadvise64_64
8299 case TARGET_NR_fadvise64_64:
8300#endif
e72d2cc7
UH		 8301#ifdef TARGET_NR_fadvise64
8302 case TARGET_NR_fadvise64:
8303#endif
8304#ifdef TARGET_S390X
8305 switch (arg4) {
8306 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
8307 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
8308 case 6: arg4 = POSIX_FADV_DONTNEED; break;
8309 case 7: arg4 = POSIX_FADV_NOREUSE; break;
8310 default: break;
8311 }
8312#endif
8313 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 8314 break;
8315#endif
ffa65c3b 8316#ifdef TARGET_NR_madvise
31e31b8a 8317 case TARGET_NR_madvise:
24836689 8318 /* A straight passthrough may not be safe because qemu sometimes
d2d6b857 8319 turns private file-backed mappings into anonymous mappings.
24836689
PB		 8320 This will break MADV_DONTNEED.
8321 This is a hint, so ignoring and returning success is ok. */
8322 ret = get_errno(0);
8323 break;
ffa65c3b 8324#endif
992f48a0 8325#if TARGET_ABI_BITS == 32
31e31b8a 8326 case TARGET_NR_fcntl64:
77e4672d 8327 {
b1e341eb 8328 int cmd;
77e4672d 8329 struct flock64 fl;
53a5960a 8330 struct target_flock64 *target_fl;
ce4defa0 8331#ifdef TARGET_ARM
53a5960a 8332 struct target_eabi_flock64 *target_efl;
ce4defa0 8333#endif
77e4672d 8334
5f106811 8335 cmd = target_to_host_fcntl_cmd(arg2);
31b63193
PM		 8336 if (cmd == -TARGET_EINVAL) {
8337 ret = cmd;
8338 break;
8339 }
b1e341eb 8340
60cd49d5 8341 switch(arg2) {
b1e341eb 8342 case TARGET_F_GETLK64:
5813427b
TS		 8343#ifdef TARGET_ARM
8344 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8345 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8346 goto efault;
5813427b
TS		 8347 fl.l_type = tswap16(target_efl->l_type);
8348 fl.l_whence = tswap16(target_efl->l_whence);
8349 fl.l_start = tswap64(target_efl->l_start);
8350 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8351 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 8352 unlock_user_struct(target_efl, arg3, 0);
8353 } else
8354#endif
8355 {
9ee1fa2c
FB		 8356 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8357 goto efault;
5813427b
TS		 8358 fl.l_type = tswap16(target_fl->l_type);
8359 fl.l_whence = tswap16(target_fl->l_whence);
8360 fl.l_start = tswap64(target_fl->l_start);
8361 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8362 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 8363 unlock_user_struct(target_fl, arg3, 0);
8364 }
b1e341eb 8365 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8366 if (ret == 0) {
ce4defa0
PB		 8367#ifdef TARGET_ARM
8368 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8369 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
8370 goto efault;
ce4defa0
PB		 8371 target_efl->l_type = tswap16(fl.l_type);
8372 target_efl->l_whence = tswap16(fl.l_whence);
8373 target_efl->l_start = tswap64(fl.l_start);
8374 target_efl->l_len = tswap64(fl.l_len);
7e22e546 8375 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 8376 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 8377 } else
8378#endif
8379 {
9ee1fa2c
FB		 8380 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
8381 goto efault;
ce4defa0
PB		 8382 target_fl->l_type = tswap16(fl.l_type);
8383 target_fl->l_whence = tswap16(fl.l_whence);
8384 target_fl->l_start = tswap64(fl.l_start);
8385 target_fl->l_len = tswap64(fl.l_len);
7e22e546 8386 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 8387 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 8388 }
77e4672d
FB		 8389 }
8390 break;
8391
b1e341eb
TS		 8392 case TARGET_F_SETLK64:
8393 case TARGET_F_SETLKW64:
ce4defa0
PB		 8394#ifdef TARGET_ARM
8395 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8396 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8397 goto efault;
ce4defa0
PB		 8398 fl.l_type = tswap16(target_efl->l_type);
8399 fl.l_whence = tswap16(target_efl->l_whence);
8400 fl.l_start = tswap64(target_efl->l_start);
8401 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8402 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 8403 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 8404 } else
8405#endif
8406 {
9ee1fa2c
FB		 8407 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8408 goto efault;
ce4defa0
PB		 8409 fl.l_type = tswap16(target_fl->l_type);
8410 fl.l_whence = tswap16(target_fl->l_whence);
8411 fl.l_start = tswap64(target_fl->l_start);
8412 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8413 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 8414 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 8415 }
b1e341eb 8416 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8417 break;
60cd49d5 8418 default:
5f106811 8419 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 8420 break;
8421 }
77e4672d
FB		 8422 break;
8423 }
60cd49d5 8424#endif
7d600c80
TS		 8425#ifdef TARGET_NR_cacheflush
8426 case TARGET_NR_cacheflush:
8427 /* self-modifying code is handled automatically, so nothing needed */
8428 ret = 0;
8429 break;
8430#endif
ebc05488 8431#ifdef TARGET_NR_security
31e31b8a
FB		 8432 case TARGET_NR_security:
8433 goto unimplemented;
c573ff67
FB		 8434#endif
8435#ifdef TARGET_NR_getpagesize
8436 case TARGET_NR_getpagesize:
8437 ret = TARGET_PAGE_SIZE;
8438 break;
ebc05488 8439#endif
31e31b8a
FB		 8440 case TARGET_NR_gettid:
8441 ret = get_errno(gettid());
8442 break;
e5febef5 8443#ifdef TARGET_NR_readahead
31e31b8a 8444 case TARGET_NR_readahead:
2054ac9b 8445#if TARGET_ABI_BITS == 32
48e515d4 8446 if (regpairs_aligned(cpu_env)) {
2054ac9b
AJ		 8447 arg2 = arg3;
8448 arg3 = arg4;
8449 arg4 = arg5;
8450 }
2054ac9b
AJ		 8451 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
8452#else
8453 ret = get_errno(readahead(arg1, arg2, arg3));
8454#endif
8455 break;
e5febef5 8456#endif
a790ae38 8457#ifdef CONFIG_ATTR
ebc05488 8458#ifdef TARGET_NR_setxattr
31e31b8a
FB		 8459 case TARGET_NR_listxattr:
8460 case TARGET_NR_llistxattr:
fb5590f7
PM		 8461 {
8462 void *p, *b = 0;
8463 if (arg2) {
8464 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8465 if (!b) {
8466 ret = -TARGET_EFAULT;
8467 break;
8468 }
8469 }
8470 p = lock_user_string(arg1);
8471 if (p) {
8472 if (num == TARGET_NR_listxattr) {
8473 ret = get_errno(listxattr(p, b, arg3));
8474 } else {
8475 ret = get_errno(llistxattr(p, b, arg3));
8476 }
8477 } else {
8478 ret = -TARGET_EFAULT;
8479 }
8480 unlock_user(p, arg1, 0);
8481 unlock_user(b, arg2, arg3);
8482 break;
8483 }
31e31b8a 8484 case TARGET_NR_flistxattr:
fb5590f7
PM		 8485 {
8486 void *b = 0;
8487 if (arg2) {
8488 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8489 if (!b) {
8490 ret = -TARGET_EFAULT;
8491 break;
8492 }
8493 }
8494 ret = get_errno(flistxattr(arg1, b, arg3));
8495 unlock_user(b, arg2, arg3);
6f932f91 8496 break;
fb5590f7 8497 }
a790ae38 8498 case TARGET_NR_setxattr:
30297b55 8499 case TARGET_NR_lsetxattr:
a790ae38 8500 {
e3c33ec6
PM		 8501 void *p, *n, *v = 0;
8502 if (arg3) {
8503 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8504 if (!v) {
8505 ret = -TARGET_EFAULT;
8506 break;
8507 }
8508 }
a790ae38
ACH		 8509 p = lock_user_string(arg1);
8510 n = lock_user_string(arg2);
e3c33ec6 8511 if (p && n) {
30297b55
PM		 8512 if (num == TARGET_NR_setxattr) {
8513 ret = get_errno(setxattr(p, n, v, arg4, arg5));
8514 } else {
8515 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
8516 }
a790ae38
ACH		 8517 } else {
8518 ret = -TARGET_EFAULT;
8519 }
8520 unlock_user(p, arg1, 0);
8521 unlock_user(n, arg2, 0);
8522 unlock_user(v, arg3, 0);
8523 }
8524 break;
30297b55
PM		 8525 case TARGET_NR_fsetxattr:
8526 {
8527 void *n, *v = 0;
8528 if (arg3) {
8529 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8530 if (!v) {
8531 ret = -TARGET_EFAULT;
8532 break;
8533 }
8534 }
8535 n = lock_user_string(arg2);
8536 if (n) {
8537 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
8538 } else {
8539 ret = -TARGET_EFAULT;
8540 }
8541 unlock_user(n, arg2, 0);
8542 unlock_user(v, arg3, 0);
8543 }
8544 break;
a790ae38 8545 case TARGET_NR_getxattr:
30297b55 8546 case TARGET_NR_lgetxattr:
a790ae38 8547 {
e3c33ec6
PM		 8548 void *p, *n, *v = 0;
8549 if (arg3) {
8550 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8551 if (!v) {
8552 ret = -TARGET_EFAULT;
8553 break;
8554 }
8555 }
a790ae38
ACH		 8556 p = lock_user_string(arg1);
8557 n = lock_user_string(arg2);
e3c33ec6 8558 if (p && n) {
30297b55
PM		 8559 if (num == TARGET_NR_getxattr) {
8560 ret = get_errno(getxattr(p, n, v, arg4));
8561 } else {
8562 ret = get_errno(lgetxattr(p, n, v, arg4));
8563 }
a790ae38
ACH		 8564 } else {
8565 ret = -TARGET_EFAULT;
8566 }
8567 unlock_user(p, arg1, 0);
8568 unlock_user(n, arg2, 0);
8569 unlock_user(v, arg3, arg4);
8570 }
8571 break;
30297b55
PM		 8572 case TARGET_NR_fgetxattr:
8573 {
8574 void *n, *v = 0;
8575 if (arg3) {
8576 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8577 if (!v) {
8578 ret = -TARGET_EFAULT;
8579 break;
8580 }
8581 }
8582 n = lock_user_string(arg2);
8583 if (n) {
8584 ret = get_errno(fgetxattr(arg1, n, v, arg4));
8585 } else {
8586 ret = -TARGET_EFAULT;
8587 }
8588 unlock_user(n, arg2, 0);
8589 unlock_user(v, arg3, arg4);
8590 }
8591 break;
a790ae38 8592 case TARGET_NR_removexattr:
30297b55 8593 case TARGET_NR_lremovexattr:
a790ae38
ACH		 8594 {
8595 void *p, *n;
8596 p = lock_user_string(arg1);
8597 n = lock_user_string(arg2);
8598 if (p && n) {
30297b55
PM		 8599 if (num == TARGET_NR_removexattr) {
8600 ret = get_errno(removexattr(p, n));
8601 } else {
8602 ret = get_errno(lremovexattr(p, n));
8603 }
a790ae38
ACH		 8604 } else {
8605 ret = -TARGET_EFAULT;
8606 }
8607 unlock_user(p, arg1, 0);
8608 unlock_user(n, arg2, 0);
8609 }
8610 break;
30297b55
PM		 8611 case TARGET_NR_fremovexattr:
8612 {
8613 void *n;
8614 n = lock_user_string(arg2);
8615 if (n) {
8616 ret = get_errno(fremovexattr(arg1, n));
8617 } else {
8618 ret = -TARGET_EFAULT;
8619 }
8620 unlock_user(n, arg2, 0);
8621 }
8622 break;
ebc05488 8623#endif
a790ae38 8624#endif /* CONFIG_ATTR */
ebc05488 8625#ifdef TARGET_NR_set_thread_area
5cd4393b 8626 case TARGET_NR_set_thread_area:
8d18e893 8627#if defined(TARGET_MIPS)
6f5b89a0
TS		 8628 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
8629 ret = 0;
8630 break;
ef96779b
EI		 8631#elif defined(TARGET_CRIS)
8632 if (arg1 & 0xff)
8633 ret = -TARGET_EINVAL;
8634 else {
8635 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
8636 ret = 0;
8637 }
8638 break;
8d18e893
FB		 8639#elif defined(TARGET_I386) && defined(TARGET_ABI32)
8640 ret = do_set_thread_area(cpu_env, arg1);
8641 break;
1ccd9374
PM		 8642#elif defined(TARGET_M68K)
8643 {
8644 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
8645 ts->tp_value = arg1;
95c1eb19 8646 ret = 0;
1ccd9374
PM		 8647 break;
8648 }
6f5b89a0
TS		 8649#else
8650 goto unimplemented_nowarn;
8651#endif
8652#endif
8653#ifdef TARGET_NR_get_thread_area
5cd4393b 8654 case TARGET_NR_get_thread_area:
8d18e893
FB		 8655#if defined(TARGET_I386) && defined(TARGET_ABI32)
8656 ret = do_get_thread_area(cpu_env, arg1);
d312bbe1 8657 break;
1ccd9374
PM		 8658#elif defined(TARGET_M68K)
8659 {
8660 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
8661 ret = ts->tp_value;
8662 break;
8663 }
8d18e893 8664#else
5cd4393b 8665 goto unimplemented_nowarn;
48dc41eb 8666#endif
8d18e893 8667#endif
48dc41eb
FB		 8668#ifdef TARGET_NR_getdomainname
8669 case TARGET_NR_getdomainname:
8670 goto unimplemented_nowarn;
ebc05488 8671#endif
6f5b89a0 8672
b5906f95
TS		 8673#ifdef TARGET_NR_clock_gettime
8674 case TARGET_NR_clock_gettime:
8675 {
8676 struct timespec ts;
8677 ret = get_errno(clock_gettime(arg1, &ts));
8678 if (!is_error(ret)) {
8679 host_to_target_timespec(arg2, &ts);
8680 }
8681 break;
8682 }
8683#endif
8684#ifdef TARGET_NR_clock_getres
8685 case TARGET_NR_clock_getres:
8686 {
8687 struct timespec ts;
8688 ret = get_errno(clock_getres(arg1, &ts));
8689 if (!is_error(ret)) {
8690 host_to_target_timespec(arg2, &ts);
8691 }
8692 break;
8693 }
8694#endif
63d7651b
PB		 8695#ifdef TARGET_NR_clock_nanosleep
8696 case TARGET_NR_clock_nanosleep:
8697 {
8698 struct timespec ts;
8699 target_to_host_timespec(&ts, arg3);
8700 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
8701 if (arg4)
8702 host_to_target_timespec(arg4, &ts);
8703 break;
8704 }
8705#endif
b5906f95 8706
6f5b89a0
TS		 8707#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
8708 case TARGET_NR_set_tid_address:
579a97f7
FB		 8709 ret = get_errno(set_tid_address((int *)g2h(arg1)));
8710 break;
6f5b89a0
TS		 8711#endif
8712
3ae43202 8713#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 8714 case TARGET_NR_tkill:
4cb05961 8715 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 8716 break;
8717#endif
8718
3ae43202 8719#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 8720 case TARGET_NR_tgkill:
4cb05961
PB		 8721 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
8722 target_to_host_signal(arg3)));
71455574
TS		 8723 break;
8724#endif
8725
4f2b1fe8
TS		 8726#ifdef TARGET_NR_set_robust_list
8727 case TARGET_NR_set_robust_list:
e9a970a8
PM		 8728 case TARGET_NR_get_robust_list:
8729 /* The ABI for supporting robust futexes has userspace pass
8730 * the kernel a pointer to a linked list which is updated by
8731 * userspace after the syscall; the list is walked by the kernel
8732 * when the thread exits. Since the linked list in QEMU guest
8733 * memory isn't a valid linked list for the host and we have
8734 * no way to reliably intercept the thread-death event, we can't
8735 * support these. Silently return ENOSYS so that guest userspace
8736 * falls back to a non-robust futex implementation (which should
8737 * be OK except in the corner case of the guest crashing while
8738 * holding a mutex that is shared with another process via
8739 * shared memory).
8740 */
8741 goto unimplemented_nowarn;
4f2b1fe8
TS		 8742#endif
8743
1acae9f2 8744#if defined(TARGET_NR_utimensat)
9007f0ef
TS		 8745 case TARGET_NR_utimensat:
8746 {
ebc996f3
RV		 8747 struct timespec *tsp, ts[2];
8748 if (!arg3) {
8749 tsp = NULL;
8750 } else {
8751 target_to_host_timespec(ts, arg3);
8752 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
8753 tsp = ts;
8754 }
9007f0ef 8755 if (!arg2)
ebc996f3 8756 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 8757 else {
579a97f7 8758 if (!(p = lock_user_string(arg2))) {
0da46a6e 8759 ret = -TARGET_EFAULT;
579a97f7
FB		 8760 goto fail;
8761 }
ebc996f3 8762 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 8763 unlock_user(p, arg2, 0);
9007f0ef
TS		 8764 }
8765 }
8766 break;
8767#endif
bd0c5661
PB		 8768 case TARGET_NR_futex:
8769 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
8770 break;
dbfe4c36 8771#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 8772 case TARGET_NR_inotify_init:
8773 ret = get_errno(sys_inotify_init());
8774 break;
8775#endif
a1606b0b 8776#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 8777#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
8778 case TARGET_NR_inotify_init1:
8779 ret = get_errno(sys_inotify_init1(arg1));
8780 break;
8781#endif
a1606b0b 8782#endif
dbfe4c36 8783#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 8784 case TARGET_NR_inotify_add_watch:
8785 p = lock_user_string(arg2);
8786 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
8787 unlock_user(p, arg2, 0);
8788 break;
8789#endif
dbfe4c36 8790#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 8791 case TARGET_NR_inotify_rm_watch:
8792 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
8793 break;
8794#endif
9007f0ef 8795
8ec9cf89 8796#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 8797 case TARGET_NR_mq_open:
8798 {
8799 struct mq_attr posix_mq_attr;
8800
8801 p = lock_user_string(arg1 - 1);
8802 if (arg4 != 0)
8803 copy_from_user_mq_attr (&posix_mq_attr, arg4);
8804 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
8805 unlock_user (p, arg1, 0);
8806 }
8807 break;
8808
8809 case TARGET_NR_mq_unlink:
8810 p = lock_user_string(arg1 - 1);
8811 ret = get_errno(mq_unlink(p));
8812 unlock_user (p, arg1, 0);
8813 break;
8814
8815 case TARGET_NR_mq_timedsend:
8816 {
8817 struct timespec ts;
8818
8819 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8820 if (arg5 != 0) {
8821 target_to_host_timespec(&ts, arg5);
8822 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
8823 host_to_target_timespec(arg5, &ts);
8824 }
8825 else
8826 ret = get_errno(mq_send(arg1, p, arg3, arg4));
8827 unlock_user (p, arg2, arg3);
8828 }
8829 break;
8830
8831 case TARGET_NR_mq_timedreceive:
8832 {
8833 struct timespec ts;
8834 unsigned int prio;
8835
8836 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8837 if (arg5 != 0) {
8838 target_to_host_timespec(&ts, arg5);
8839 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
8840 host_to_target_timespec(arg5, &ts);
8841 }
8842 else
8843 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
8844 unlock_user (p, arg2, arg3);
8845 if (arg4 != 0)
8846 put_user_u32(prio, arg4);
8847 }
8848 break;
8849
8850 /* Not implemented for now... */
8851/* case TARGET_NR_mq_notify: */
8852/* break; */
8853
8854 case TARGET_NR_mq_getsetattr:
8855 {
8856 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
8857 ret = 0;
8858 if (arg3 != 0) {
8859 ret = mq_getattr(arg1, &posix_mq_attr_out);
8860 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
8861 }
8862 if (arg2 != 0) {
8863 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
8864 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
8865 }
8866
8867 }
8868 break;
8869#endif
8870
3ce34dfb
VS		 8871#ifdef CONFIG_SPLICE
8872#ifdef TARGET_NR_tee
8873 case TARGET_NR_tee:
8874 {
8875 ret = get_errno(tee(arg1,arg2,arg3,arg4));
8876 }
8877 break;
8878#endif
8879#ifdef TARGET_NR_splice
8880 case TARGET_NR_splice:
8881 {
8882 loff_t loff_in, loff_out;
8883 loff_t *ploff_in = NULL, *ploff_out = NULL;
8884 if(arg2) {
8885 get_user_u64(loff_in, arg2);
8886 ploff_in = &loff_in;
8887 }
8888 if(arg4) {
8889 get_user_u64(loff_out, arg2);
8890 ploff_out = &loff_out;
8891 }
8892 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
8893 }
8894 break;
8895#endif
8896#ifdef TARGET_NR_vmsplice
8897 case TARGET_NR_vmsplice:
8898 {
f287b2c2
RH		 8899 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
8900 if (vec != NULL) {
8901 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
8902 unlock_iovec(vec, arg2, arg3, 0);
8903 } else {
8904 ret = -host_to_target_errno(errno);
8905 }
3ce34dfb
VS		 8906 }
8907 break;
8908#endif
8909#endif /* CONFIG_SPLICE */
c2882b96
RV		 8910#ifdef CONFIG_EVENTFD
8911#if defined(TARGET_NR_eventfd)
8912 case TARGET_NR_eventfd:
8913 ret = get_errno(eventfd(arg1, 0));
8914 break;
8915#endif
8916#if defined(TARGET_NR_eventfd2)
8917 case TARGET_NR_eventfd2:
5947c697
PJ		 8918 {
8919 int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
8920 if (arg2 & TARGET_O_NONBLOCK) {
8921 host_flags |= O_NONBLOCK;
8922 }
8923 if (arg2 & TARGET_O_CLOEXEC) {
8924 host_flags |= O_CLOEXEC;
8925 }
8926 ret = get_errno(eventfd(arg1, host_flags));
c2882b96 8927 break;
5947c697 8928 }
c2882b96
RV		 8929#endif
8930#endif /* CONFIG_EVENTFD */
d0927938
UH		 8931#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
8932 case TARGET_NR_fallocate:
20249ae1
AG		 8933#if TARGET_ABI_BITS == 32
8934 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
8935 target_offset64(arg5, arg6)));
8936#else
d0927938 8937 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
20249ae1 8938#endif
d0927938 8939 break;
c727f47d
PM		 8940#endif
8941#if defined(CONFIG_SYNC_FILE_RANGE)
8942#if defined(TARGET_NR_sync_file_range)
8943 case TARGET_NR_sync_file_range:
8944#if TARGET_ABI_BITS == 32
bfcedc57
RV		 8945#if defined(TARGET_MIPS)
8946 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8947 target_offset64(arg5, arg6), arg7));
8948#else
c727f47d
PM		 8949 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
8950 target_offset64(arg4, arg5), arg6));
bfcedc57 8951#endif /* !TARGET_MIPS */
c727f47d
PM		 8952#else
8953 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
8954#endif
8955 break;
8956#endif
8957#if defined(TARGET_NR_sync_file_range2)
8958 case TARGET_NR_sync_file_range2:
8959 /* This is like sync_file_range but the arguments are reordered */
8960#if TARGET_ABI_BITS == 32
8961 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
8962 target_offset64(arg5, arg6), arg2));
8963#else
8964 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
8965#endif
8966 break;
8967#endif
3b6edd16
PM		 8968#endif
8969#if defined(CONFIG_EPOLL)
8970#if defined(TARGET_NR_epoll_create)
8971 case TARGET_NR_epoll_create:
8972 ret = get_errno(epoll_create(arg1));
8973 break;
8974#endif
8975#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
8976 case TARGET_NR_epoll_create1:
8977 ret = get_errno(epoll_create1(arg1));
8978 break;
8979#endif
8980#if defined(TARGET_NR_epoll_ctl)
8981 case TARGET_NR_epoll_ctl:
8982 {
8983 struct epoll_event ep;
8984 struct epoll_event *epp = 0;
8985 if (arg4) {
8986 struct target_epoll_event *target_ep;
8987 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
8988 goto efault;
8989 }
8990 ep.events = tswap32(target_ep->events);
8991 /* The epoll_data_t union is just opaque data to the kernel,
8992 * so we transfer all 64 bits across and need not worry what
8993 * actual data type it is.
8994 */
8995 ep.data.u64 = tswap64(target_ep->data.u64);
8996 unlock_user_struct(target_ep, arg4, 0);
8997 epp = &ep;
8998 }
8999 ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
9000 break;
9001 }
9002#endif
9003
9004#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
9005#define IMPLEMENT_EPOLL_PWAIT
9006#endif
9007#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
9008#if defined(TARGET_NR_epoll_wait)
9009 case TARGET_NR_epoll_wait:
9010#endif
9011#if defined(IMPLEMENT_EPOLL_PWAIT)
9012 case TARGET_NR_epoll_pwait:
9013#endif
9014 {
9015 struct target_epoll_event *target_ep;
9016 struct epoll_event *ep;
9017 int epfd = arg1;
9018 int maxevents = arg3;
9019 int timeout = arg4;
9020
9021 target_ep = lock_user(VERIFY_WRITE, arg2,
9022 maxevents * sizeof(struct target_epoll_event), 1);
9023 if (!target_ep) {
9024 goto efault;
9025 }
9026
9027 ep = alloca(maxevents * sizeof(struct epoll_event));
9028
9029 switch (num) {
9030#if defined(IMPLEMENT_EPOLL_PWAIT)
9031 case TARGET_NR_epoll_pwait:
9032 {
9033 target_sigset_t *target_set;
9034 sigset_t _set, *set = &_set;
9035
9036 if (arg5) {
9037 target_set = lock_user(VERIFY_READ, arg5,
9038 sizeof(target_sigset_t), 1);
9039 if (!target_set) {
9040 unlock_user(target_ep, arg2, 0);
9041 goto efault;
9042 }
9043 target_to_host_sigset(set, target_set);
9044 unlock_user(target_set, arg5, 0);
9045 } else {
9046 set = NULL;
9047 }
9048
9049 ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
9050 break;
9051 }
9052#endif
9053#if defined(TARGET_NR_epoll_wait)
9054 case TARGET_NR_epoll_wait:
9055 ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
9056 break;
9057#endif
9058 default:
9059 ret = -TARGET_ENOSYS;
9060 }
9061 if (!is_error(ret)) {
9062 int i;
9063 for (i = 0; i < ret; i++) {
9064 target_ep[i].events = tswap32(ep[i].events);
9065 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
9066 }
9067 }
9068 unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
9069 break;
9070 }
9071#endif
163a05a8
PM		 9072#endif
9073#ifdef TARGET_NR_prlimit64
9074 case TARGET_NR_prlimit64:
9075 {
9076 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
9077 struct target_rlimit64 *target_rnew, *target_rold;
9078 struct host_rlimit64 rnew, rold, *rnewp = 0;
9079 if (arg3) {
9080 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
9081 goto efault;
9082 }
9083 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
9084 rnew.rlim_max = tswap64(target_rnew->rlim_max);
9085 unlock_user_struct(target_rnew, arg3, 0);
9086 rnewp = &rnew;
9087 }
9088
9089 ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
9090 if (!is_error(ret) && arg4) {
9091 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
9092 goto efault;
9093 }
9094 target_rold->rlim_cur = tswap64(rold.rlim_cur);
9095 target_rold->rlim_max = tswap64(rold.rlim_max);
9096 unlock_user_struct(target_rold, arg4, 1);
9097 }
9098 break;
9099 }
3d21d29c
RH		 9100#endif
9101#ifdef TARGET_NR_gethostname
9102 case TARGET_NR_gethostname:
9103 {
9104 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
9105 if (name) {
9106 ret = get_errno(gethostname(name, arg2));
9107 unlock_user(name, arg1, arg2);
9108 } else {
9109 ret = -TARGET_EFAULT;
9110 }
9111 break;
9112 }
89aaf1a6
RV		 9113#endif
9114#ifdef TARGET_NR_atomic_cmpxchg_32
9115 case TARGET_NR_atomic_cmpxchg_32:
9116 {
9117 /* should use start_exclusive from main.c */
9118 abi_ulong mem_value;
9119 if (get_user_u32(mem_value, arg6)) {
9120 target_siginfo_t info;
9121 info.si_signo = SIGSEGV;
9122 info.si_errno = 0;
9123 info.si_code = TARGET_SEGV_MAPERR;
9124 info._sifields._sigfault._addr = arg6;
9125 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
9126 ret = 0xdeadbeef;
9127
9128 }
9129 if (mem_value == arg2)
9130 put_user_u32(arg1, arg6);
9131 ret = mem_value;
9132 break;
9133 }
9134#endif
9135#ifdef TARGET_NR_atomic_barrier
9136 case TARGET_NR_atomic_barrier:
9137 {
9138 /* Like the kernel implementation and the qemu arm barrier, no-op this? */
9139 break;
9140 }
d0927938 9141#endif
f4f1e10a
ECL		 9142
9143#ifdef TARGET_NR_timer_create
9144 case TARGET_NR_timer_create:
9145 {
9146 /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */
9147
9148 struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL;
9149 struct target_sigevent *ptarget_sevp;
9150 struct target_timer_t *ptarget_timer;
9151
9152 int clkid = arg1;
9153 int timer_index = next_free_host_timer();
9154
9155 if (timer_index < 0) {
9156 ret = -TARGET_EAGAIN;
9157 } else {
9158 timer_t *phtimer = g_posix_timers + timer_index;
9159
9160 if (arg2) {
9161 if (!lock_user_struct(VERIFY_READ, ptarget_sevp, arg2, 1)) {
9162 goto efault;
9163 }
9164
9165 host_sevp.sigev_signo = tswap32(ptarget_sevp->sigev_signo);
9166 host_sevp.sigev_notify = tswap32(ptarget_sevp->sigev_notify);
9167
9168 phost_sevp = &host_sevp;
9169 }
9170
9171 ret = get_errno(timer_create(clkid, phost_sevp, phtimer));
9172 if (ret) {
9173 phtimer = NULL;
9174 } else {
9175 if (!lock_user_struct(VERIFY_WRITE, ptarget_timer, arg3, 1)) {
9176 goto efault;
9177 }
9178 ptarget_timer->ptr = tswap32(0xcafe0000 | timer_index);
9179 unlock_user_struct(ptarget_timer, arg3, 1);
9180 }
9181 }
9182 break;
9183 }
9184#endif
9185
9186#ifdef TARGET_NR_timer_settime
9187 case TARGET_NR_timer_settime:
9188 {
9189 /* args: timer_t timerid, int flags, const struct itimerspec *new_value,
9190 * struct itimerspec * old_value */
9191 arg1 &= 0xffff;
9192 if (arg3 == 0 || arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
9193 ret = -TARGET_EINVAL;
9194 } else {
9195 timer_t htimer = g_posix_timers[arg1];
9196 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
9197
9198 target_to_host_itimerspec(&hspec_new, arg3);
9199 ret = get_errno(
9200 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
9201 host_to_target_itimerspec(arg2, &hspec_old);
9202 }
9203 break;
9204 }
9205#endif
9206
9207#ifdef TARGET_NR_timer_gettime
9208 case TARGET_NR_timer_gettime:
9209 {
9210 /* args: timer_t timerid, struct itimerspec *curr_value */
9211 arg1 &= 0xffff;
9212 if (!arg2) {
9213 return -TARGET_EFAULT;
9214 } else if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
9215 ret = -TARGET_EINVAL;
9216 } else {
9217 timer_t htimer = g_posix_timers[arg1];
9218 struct itimerspec hspec;
9219 ret = get_errno(timer_gettime(htimer, &hspec));
9220
9221 if (host_to_target_itimerspec(arg2, &hspec)) {
9222 ret = -TARGET_EFAULT;
9223 }
9224 }
9225 break;
9226 }
9227#endif
9228
9229#ifdef TARGET_NR_timer_getoverrun
9230 case TARGET_NR_timer_getoverrun:
9231 {
9232 /* args: timer_t timerid */
9233 arg1 &= 0xffff;
9234 if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
9235 ret = -TARGET_EINVAL;
9236 } else {
9237 timer_t htimer = g_posix_timers[arg1];
9238 ret = get_errno(timer_getoverrun(htimer));
9239 }
9240 break;
9241 }
9242#endif
9243
9244#ifdef TARGET_NR_timer_delete
9245 case TARGET_NR_timer_delete:
9246 {
9247 /* args: timer_t timerid */
9248 arg1 &= 0xffff;
9249 if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
9250 ret = -TARGET_EINVAL;
9251 } else {
9252 timer_t htimer = g_posix_timers[arg1];
9253 ret = get_errno(timer_delete(htimer));
9254 g_posix_timers[arg1] = 0;
9255 }
9256 break;
9257 }
9258#endif
9259
31e31b8a
FB		 9260 default:
9261 unimplemented:
5cd4393b 9262 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 9263#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 9264 unimplemented_nowarn:
80a9d035 9265#endif
0da46a6e 9266 ret = -TARGET_ENOSYS;
31e31b8a
FB		 9267 break;
9268 }
579a97f7 9269fail:
c573ff67 9270#ifdef DEBUG
0bf9e31a 9271 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 9272#endif
b92c47c1
TS		 9273 if(do_strace)
9274 print_syscall_ret(num, ret);
31e31b8a 9275 return ret;
579a97f7
FB		 9276efault:
9277 ret = -TARGET_EFAULT;
9278 goto fail;
31e31b8a 9279}
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