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linux-user: in poll(), if nfds is 0, pfd can be NULL
[thirdparty/qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
8167ee88 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
31e31b8a 18 */
d5b3a9b6 19#define _ATFILE_SOURCE
31e31b8a
FB		 20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
82e671d9 30#include <limits.h>
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>
e0eb210e 46#include <linux/capability.h>
31e31b8a
FB		 47#include <signal.h>
48#include <sched.h>
60e99246
AJ		 49#ifdef __ia64__
50int __clone2(int (*fn)(void *), void *child_stack_base,
51 size_t stack_size, int flags, void *arg, ...);
52#endif
31e31b8a 53#include <sys/socket.h>
607175e0 54#include <sys/un.h>
31e31b8a 55#include <sys/uio.h>
9de5e440 56#include <sys/poll.h>
32f36bce 57#include <sys/times.h>
8853f86e 58#include <sys/shm.h>
fa294816 59#include <sys/sem.h>
56c8f68f 60#include <sys/statfs.h>
ebc05488 61#include <utime.h>
a5448a7d 62#include <sys/sysinfo.h>
e36800c9 63#include <sys/signalfd.h>
72f03900 64//#include <sys/user.h>
8853f86e 65#include <netinet/ip.h>
7854b056 66#include <netinet/tcp.h>
86fcd946 67#include <linux/wireless.h>
920394db 68#include <linux/icmp.h>
5a61cb60 69#include "qemu-common.h"
d80a1905
RV		 70#ifdef CONFIG_TIMERFD
71#include <sys/timerfd.h>
72#endif
9788c9ca 73#ifdef TARGET_GPROF
6d946cda
AJ		 74#include <sys/gmon.h>
75#endif
c2882b96
RV		 76#ifdef CONFIG_EVENTFD
77#include <sys/eventfd.h>
78#endif
3b6edd16
PM		 79#ifdef CONFIG_EPOLL
80#include <sys/epoll.h>
81#endif
a790ae38 82#ifdef CONFIG_ATTR
1de7afc9 83#include "qemu/xattr.h"
a790ae38 84#endif
a8fd1aba
PM		 85#ifdef CONFIG_SENDFILE
86#include <sys/sendfile.h>
87#endif
31e31b8a
FB		 88
89#define termios host_termios
90#define winsize host_winsize
91#define termio host_termio
04369ff2
FB		 92#define sgttyb host_sgttyb /* same as target */
93#define tchars host_tchars /* same as target */
94#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 95
96#include <linux/termios.h>
97#include <linux/unistd.h>
31e31b8a
FB		 98#include <linux/cdrom.h>
99#include <linux/hdreg.h>
100#include <linux/soundcard.h>
19b84f3c 101#include <linux/kd.h>
8fbd6b52 102#include <linux/mtio.h>
350d1779 103#include <linux/fs.h>
dace20dc 104#if defined(CONFIG_FIEMAP)
285da2b9 105#include <linux/fiemap.h>
dace20dc 106#endif
f7680a55
UH		 107#include <linux/fb.h>
108#include <linux/vt.h>
56e904ec 109#include <linux/dm-ioctl.h>
c07ecc68 110#include <linux/reboot.h>
7ff7b666 111#include <linux/route.h>
f57d4192 112#include <linux/filter.h>
fff8c539 113#include <linux/blkpg.h>
d7e4036e 114#include "linux_loop.h"
18cb0088 115#include "uname.h"
31e31b8a 116
3ef693a0 117#include "qemu.h"
31e31b8a 118
d865bab5
PB		 119#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
120 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
30813cea 121
72f03900 122//#define DEBUG
31e31b8a 123
1a9353d2 124//#include <linux/msdos_fs.h>
6556a833
AJ		 125#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
126#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 127
70a194b9 128
70a194b9
FB		 129#undef _syscall0
130#undef _syscall1
131#undef _syscall2
132#undef _syscall3
133#undef _syscall4
134#undef _syscall5
83fcb515 135#undef _syscall6
70a194b9 136
83fcb515 137#define _syscall0(type,name) \
8fcd3692 138static type name (void) \
83fcb515
FB		 139{ \
140 return syscall(__NR_##name); \
141}
70a194b9 142
83fcb515 143#define _syscall1(type,name,type1,arg1) \
8fcd3692 144static type name (type1 arg1) \
83fcb515
FB		 145{ \
146 return syscall(__NR_##name, arg1); \
70a194b9
FB		 147}
148
83fcb515 149#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 150static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 151{ \
152 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 153}
154
83fcb515 155#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 156static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 157{ \
158 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 159}
160
83fcb515 161#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 162static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 163{ \
164 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 165}
166
83fcb515
FB		 167#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
168 type5,arg5) \
8fcd3692 169static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 170{ \
171 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 172}
173
83fcb515
FB		 174
175#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
176 type5,arg5,type6,arg6) \
8fcd3692
BS		 177static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
178 type6 arg6) \
83fcb515
FB		 179{ \
180 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 181}
83fcb515 182
70a194b9 183
31e31b8a 184#define __NR_sys_uname __NR_uname
72f03900 185#define __NR_sys_getcwd1 __NR_getcwd
72f03900 186#define __NR_sys_getdents __NR_getdents
dab2ed99 187#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 188#define __NR_sys_getpriority __NR_getpriority
66fb9763 189#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
7494b0f9 190#define __NR_sys_syslog __NR_syslog
71455574 191#define __NR_sys_tgkill __NR_tgkill
4cae1d16 192#define __NR_sys_tkill __NR_tkill
bd0c5661 193#define __NR_sys_futex __NR_futex
39b59763
AJ		 194#define __NR_sys_inotify_init __NR_inotify_init
195#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
196#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 197
42a39fbe
AG		 198#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
199 defined(__s390x__)
9af9eaaa
FB		 200#define __NR__llseek __NR_lseek
201#endif
202
a29e5ba2
JH		 203/* Newer kernel ports have llseek() instead of _llseek() */
204#if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
205#define TARGET_NR__llseek TARGET_NR_llseek
206#endif
207
72f03900 208#ifdef __NR_gettid
31e31b8a 209_syscall0(int, gettid)
72f03900 210#else
0da46a6e
TS		 211/* This is a replacement for the host gettid() and must return a host
212 errno. */
72f03900
FB		 213static int gettid(void) {
214 return -ENOSYS;
215}
216#endif
704eff6c 217#if defined(TARGET_NR_getdents) && defined(__NR_getdents)
3b3f24ad 218_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3307e236
PM		 219#endif
220#if !defined(__NR_getdents) || \
221 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
3b3f24ad
AJ		 222_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
223#endif
d35b261c 224#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
3b3f24ad
AJ		 225_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
226 loff_t *, res, uint, wh);
227#endif
228_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
229_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
230#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
231_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
232#endif
233#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
234_syscall2(int,sys_tkill,int,tid,int,sig)
235#endif
236#ifdef __NR_exit_group
237_syscall1(int,exit_group,int,error_code)
238#endif
239#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
240_syscall1(int,set_tid_address,int *,tidptr)
241#endif
3b3f24ad
AJ		 242#if defined(TARGET_NR_futex) && defined(__NR_futex)
243_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
244 const struct timespec *,timeout,int *,uaddr2,int,val3)
245#endif
737de1d1
MF		 246#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
247_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
248 unsigned long *, user_mask_ptr);
249#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
250_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
251 unsigned long *, user_mask_ptr);
0f6b4d21
AG		 252_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
253 void *, arg);
e0eb210e
PM		 254_syscall2(int, capget, struct __user_cap_header_struct *, header,
255 struct __user_cap_data_struct *, data);
256_syscall2(int, capset, struct __user_cap_header_struct *, header,
257 struct __user_cap_data_struct *, data);
ab31cda3
PB		 258#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
259_syscall2(int, ioprio_get, int, which, int, who)
260#endif
261#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
262_syscall3(int, ioprio_set, int, which, int, who, int, ioprio)
263#endif
3b3f24ad
AJ		 264
265static bitmask_transtbl fcntl_flags_tbl[] = {
266 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
267 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
268 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
269 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
270 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
271 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
272 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
273 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
afc8763f 274 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
3b3f24ad
AJ		 275 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
276 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
277 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
278 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
3b3f24ad
AJ		 279#if defined(O_DIRECT)
280 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
afc8763f
RH		 281#endif
282#if defined(O_NOATIME)
283 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
284#endif
285#if defined(O_CLOEXEC)
286 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
287#endif
288#if defined(O_PATH)
289 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
290#endif
291 /* Don't terminate the list prematurely on 64-bit host+guest. */
292#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
293 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
3b3f24ad
AJ		 294#endif
295 { 0, 0, 0, 0 }
296};
297
e36800c9
LV		 298typedef abi_long (*TargetFdFunc)(void *, size_t);
299typedef struct TargetFdTrans {
300 TargetFdFunc host_to_target;
301 TargetFdFunc target_to_host;
302} TargetFdTrans;
303
304static TargetFdTrans **target_fd_trans;
305
306static unsigned int target_fd_max;
307
308static TargetFdFunc fd_trans_host_to_target(int fd)
309{
310 if (fd < target_fd_max && target_fd_trans[fd]) {
311 return target_fd_trans[fd]->host_to_target;
312 }
313 return NULL;
314}
315
316static void fd_trans_register(int fd, TargetFdTrans *trans)
317{
318 unsigned int oldmax;
319
320 if (fd >= target_fd_max) {
321 oldmax = target_fd_max;
322 target_fd_max = ((fd >> 6) + 1) << 6; /* by slice of 64 entries */
323 target_fd_trans = g_realloc(target_fd_trans,
324 target_fd_max * sizeof(TargetFdTrans));
325 memset((void *)(target_fd_trans + oldmax), 0,
326 (target_fd_max - oldmax) * sizeof(TargetFdTrans *));
327 }
328 target_fd_trans[fd] = trans;
329}
330
331static void fd_trans_unregister(int fd)
332{
333 if (fd >= 0 && fd < target_fd_max) {
334 target_fd_trans[fd] = NULL;
335 }
336}
337
338static void fd_trans_dup(int oldfd, int newfd)
339{
340 fd_trans_unregister(newfd);
341 if (oldfd < target_fd_max && target_fd_trans[oldfd]) {
342 fd_trans_register(newfd, target_fd_trans[oldfd]);
343 }
344}
345
3b3f24ad
AJ		 346static int sys_getcwd1(char *buf, size_t size)
347{
348 if (getcwd(buf, size) == NULL) {
349 /* getcwd() sets errno */
350 return (-1);
351 }
aaf4ad39 352 return strlen(buf)+1;
3b3f24ad
AJ		 353}
354
f4c69010 355static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode)
3b3f24ad
AJ		 356{
357 /*
358 * open(2) has extra parameter 'mode' when called with
359 * flag O_CREAT.
360 */
361 if ((flags & O_CREAT) != 0) {
3b3f24ad
AJ		 362 return (openat(dirfd, pathname, flags, mode));
363 }
364 return (openat(dirfd, pathname, flags));
365}
ebc996f3 366
1acae9f2 367#ifdef TARGET_NR_utimensat
ebc996f3
RV		 368#ifdef CONFIG_UTIMENSAT
369static int sys_utimensat(int dirfd, const char *pathname,
370 const struct timespec times[2], int flags)
371{
372 if (pathname == NULL)
373 return futimens(dirfd, times);
374 else
375 return utimensat(dirfd, pathname, times, flags);
376}
1acae9f2
PM		 377#elif defined(__NR_utimensat)
378#define __NR_sys_utimensat __NR_utimensat
9007f0ef
TS		 379_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
380 const struct timespec *,tsp,int,flags)
1acae9f2
PM		 381#else
382static int sys_utimensat(int dirfd, const char *pathname,
383 const struct timespec times[2], int flags)
384{
385 errno = ENOSYS;
386 return -1;
387}
9007f0ef 388#endif
1acae9f2 389#endif /* TARGET_NR_utimensat */
3b3f24ad
AJ		 390
391#ifdef CONFIG_INOTIFY
8690e420 392#include <sys/inotify.h>
3b3f24ad 393
39b59763 394#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 395static int sys_inotify_init(void)
396{
397 return (inotify_init());
398}
39b59763
AJ		 399#endif
400#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 401static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
402{
403 return (inotify_add_watch(fd, pathname, mask));
404}
39b59763
AJ		 405#endif
406#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 407static int sys_inotify_rm_watch(int fd, int32_t wd)
408{
8690e420 409 return (inotify_rm_watch(fd, wd));
3b3f24ad 410}
bd0c5661 411#endif
c05c7a73
RV		 412#ifdef CONFIG_INOTIFY1
413#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
414static int sys_inotify_init1(int flags)
415{
416 return (inotify_init1(flags));
417}
418#endif
419#endif
3b3f24ad
AJ		 420#else
421/* Userspace can usually survive runtime without inotify */
422#undef TARGET_NR_inotify_init
c05c7a73 423#undef TARGET_NR_inotify_init1
3b3f24ad
AJ		 424#undef TARGET_NR_inotify_add_watch
425#undef TARGET_NR_inotify_rm_watch
426#endif /* CONFIG_INOTIFY */
427
d8035d4c
MF		 428#if defined(TARGET_NR_ppoll)
429#ifndef __NR_ppoll
430# define __NR_ppoll -1
431#endif
432#define __NR_sys_ppoll __NR_ppoll
433_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
34d60862 434 struct timespec *, timeout, const sigset_t *, sigmask,
d8035d4c
MF		 435 size_t, sigsetsize)
436#endif
66fb9763 437
055e0906
MF		 438#if defined(TARGET_NR_pselect6)
439#ifndef __NR_pselect6
440# define __NR_pselect6 -1
441#endif
442#define __NR_sys_pselect6 __NR_pselect6
443_syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
444 fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
445#endif
446
163a05a8
PM		 447#if defined(TARGET_NR_prlimit64)
448#ifndef __NR_prlimit64
449# define __NR_prlimit64 -1
450#endif
451#define __NR_sys_prlimit64 __NR_prlimit64
452/* The glibc rlimit structure may not be that used by the underlying syscall */
453struct host_rlimit64 {
454 uint64_t rlim_cur;
455 uint64_t rlim_max;
456};
457_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
458 const struct host_rlimit64 *, new_limit,
459 struct host_rlimit64 *, old_limit)
460#endif
461
f4f1e10a
ECL		 462
463#if defined(TARGET_NR_timer_create)
464/* Maxiumum of 32 active POSIX timers allowed at any one time. */
465static timer_t g_posix_timers[32] = { 0, } ;
466
467static inline int next_free_host_timer(void)
468{
469 int k ;
470 /* FIXME: Does finding the next free slot require a lock? */
471 for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) {
472 if (g_posix_timers[k] == 0) {
473 g_posix_timers[k] = (timer_t) 1;
474 return k;
475 }
476 }
477 return -1;
478}
479#endif
480
48e515d4 481/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
4a1def4e 482#ifdef TARGET_ARM
48e515d4
RV		 483static inline int regpairs_aligned(void *cpu_env) {
484 return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
485}
486#elif defined(TARGET_MIPS)
487static inline int regpairs_aligned(void *cpu_env) { return 1; }
4a1def4e
AG		 488#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
489/* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
490 * of registers which translates to the same as ARM/MIPS, because we start with
491 * r3 as arg1 */
492static inline int regpairs_aligned(void *cpu_env) { return 1; }
48e515d4
RV		 493#else
494static inline int regpairs_aligned(void *cpu_env) { return 0; }
495#endif
496
b92c47c1
TS		 497#define ERRNO_TABLE_SIZE 1200
498
499/* target_to_host_errno_table[] is initialized from
500 * host_to_target_errno_table[] in syscall_init(). */
501static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
502};
503
637947f1 504/*
fe8f096b 505 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 506 * minus the errnos that are not actually generic to all archs.
507 */
b92c47c1 508static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
08703b9f 509 [EAGAIN] = TARGET_EAGAIN,
637947f1
TS		 510 [EIDRM] = TARGET_EIDRM,
511 [ECHRNG] = TARGET_ECHRNG,
512 [EL2NSYNC] = TARGET_EL2NSYNC,
513 [EL3HLT] = TARGET_EL3HLT,
514 [EL3RST] = TARGET_EL3RST,
515 [ELNRNG] = TARGET_ELNRNG,
516 [EUNATCH] = TARGET_EUNATCH,
517 [ENOCSI] = TARGET_ENOCSI,
518 [EL2HLT] = TARGET_EL2HLT,
519 [EDEADLK] = TARGET_EDEADLK,
520 [ENOLCK] = TARGET_ENOLCK,
521 [EBADE] = TARGET_EBADE,
522 [EBADR] = TARGET_EBADR,
523 [EXFULL] = TARGET_EXFULL,
524 [ENOANO] = TARGET_ENOANO,
525 [EBADRQC] = TARGET_EBADRQC,
526 [EBADSLT] = TARGET_EBADSLT,
527 [EBFONT] = TARGET_EBFONT,
528 [ENOSTR] = TARGET_ENOSTR,
529 [ENODATA] = TARGET_ENODATA,
530 [ETIME] = TARGET_ETIME,
531 [ENOSR] = TARGET_ENOSR,
532 [ENONET] = TARGET_ENONET,
533 [ENOPKG] = TARGET_ENOPKG,
534 [EREMOTE] = TARGET_EREMOTE,
535 [ENOLINK] = TARGET_ENOLINK,
536 [EADV] = TARGET_EADV,
537 [ESRMNT] = TARGET_ESRMNT,
538 [ECOMM] = TARGET_ECOMM,
539 [EPROTO] = TARGET_EPROTO,
540 [EDOTDOT] = TARGET_EDOTDOT,
541 [EMULTIHOP] = TARGET_EMULTIHOP,
542 [EBADMSG] = TARGET_EBADMSG,
543 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
544 [EOVERFLOW] = TARGET_EOVERFLOW,
545 [ENOTUNIQ] = TARGET_ENOTUNIQ,
546 [EBADFD] = TARGET_EBADFD,
547 [EREMCHG] = TARGET_EREMCHG,
548 [ELIBACC] = TARGET_ELIBACC,
549 [ELIBBAD] = TARGET_ELIBBAD,
550 [ELIBSCN] = TARGET_ELIBSCN,
551 [ELIBMAX] = TARGET_ELIBMAX,
552 [ELIBEXEC] = TARGET_ELIBEXEC,
553 [EILSEQ] = TARGET_EILSEQ,
554 [ENOSYS] = TARGET_ENOSYS,
555 [ELOOP] = TARGET_ELOOP,
556 [ERESTART] = TARGET_ERESTART,
557 [ESTRPIPE] = TARGET_ESTRPIPE,
558 [ENOTEMPTY] = TARGET_ENOTEMPTY,
559 [EUSERS] = TARGET_EUSERS,
560 [ENOTSOCK] = TARGET_ENOTSOCK,
561 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
562 [EMSGSIZE] = TARGET_EMSGSIZE,
563 [EPROTOTYPE] = TARGET_EPROTOTYPE,
564 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
565 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
566 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
567 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
568 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
569 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
570 [EADDRINUSE] = TARGET_EADDRINUSE,
571 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
572 [ENETDOWN] = TARGET_ENETDOWN,
573 [ENETUNREACH] = TARGET_ENETUNREACH,
574 [ENETRESET] = TARGET_ENETRESET,
575 [ECONNABORTED] = TARGET_ECONNABORTED,
576 [ECONNRESET] = TARGET_ECONNRESET,
577 [ENOBUFS] = TARGET_ENOBUFS,
578 [EISCONN] = TARGET_EISCONN,
579 [ENOTCONN] = TARGET_ENOTCONN,
580 [EUCLEAN] = TARGET_EUCLEAN,
581 [ENOTNAM] = TARGET_ENOTNAM,
582 [ENAVAIL] = TARGET_ENAVAIL,
583 [EISNAM] = TARGET_EISNAM,
584 [EREMOTEIO] = TARGET_EREMOTEIO,
585 [ESHUTDOWN] = TARGET_ESHUTDOWN,
586 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
587 [ETIMEDOUT] = TARGET_ETIMEDOUT,
588 [ECONNREFUSED] = TARGET_ECONNREFUSED,
589 [EHOSTDOWN] = TARGET_EHOSTDOWN,
590 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
591 [EALREADY] = TARGET_EALREADY,
592 [EINPROGRESS] = TARGET_EINPROGRESS,
593 [ESTALE] = TARGET_ESTALE,
594 [ECANCELED] = TARGET_ECANCELED,
595 [ENOMEDIUM] = TARGET_ENOMEDIUM,
596 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 597#ifdef ENOKEY
637947f1 598 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 599#endif
600#ifdef EKEYEXPIRED
637947f1 601 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 602#endif
603#ifdef EKEYREVOKED
637947f1 604 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 605#endif
606#ifdef EKEYREJECTED
637947f1 607 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 608#endif
609#ifdef EOWNERDEAD
637947f1 610 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 611#endif
612#ifdef ENOTRECOVERABLE
637947f1 613 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 614#endif
b92c47c1 615};
637947f1
TS		 616
617static inline int host_to_target_errno(int err)
618{
619 if(host_to_target_errno_table[err])
620 return host_to_target_errno_table[err];
621 return err;
622}
623
b92c47c1
TS		 624static inline int target_to_host_errno(int err)
625{
626 if (target_to_host_errno_table[err])
627 return target_to_host_errno_table[err];
628 return err;
629}
630
992f48a0 631static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 632{
633 if (ret == -1)
637947f1 634 return -host_to_target_errno(errno);
31e31b8a
FB		 635 else
636 return ret;
637}
638
992f48a0 639static inline int is_error(abi_long ret)
31e31b8a 640{
992f48a0 641 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 642}
643
b92c47c1
TS		 644char *target_strerror(int err)
645{
962b289e
AG		 646 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
647 return NULL;
648 }
b92c47c1
TS		 649 return strerror(target_to_host_errno(err));
650}
651
8289d112
PB		 652static inline int host_to_target_sock_type(int host_type)
653{
654 int target_type;
655
656 switch (host_type & 0xf /* SOCK_TYPE_MASK */) {
657 case SOCK_DGRAM:
658 target_type = TARGET_SOCK_DGRAM;
659 break;
660 case SOCK_STREAM:
661 target_type = TARGET_SOCK_STREAM;
662 break;
663 default:
664 target_type = host_type & 0xf /* SOCK_TYPE_MASK */;
665 break;
666 }
667
668#if defined(SOCK_CLOEXEC)
669 if (host_type & SOCK_CLOEXEC) {
670 target_type |= TARGET_SOCK_CLOEXEC;
671 }
672#endif
673
674#if defined(SOCK_NONBLOCK)
675 if (host_type & SOCK_NONBLOCK) {
676 target_type |= TARGET_SOCK_NONBLOCK;
677 }
678#endif
679
680 return target_type;
681}
682
992f48a0
BS		 683static abi_ulong target_brk;
684static abi_ulong target_original_brk;
4d1de87c 685static abi_ulong brk_page;
31e31b8a 686
992f48a0 687void target_set_brk(abi_ulong new_brk)
31e31b8a 688{
4c1de73d 689 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
4d1de87c 690 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 691}
692
4d1de87c
CV		 693//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
694#define DEBUGF_BRK(message, args...)
695
0da46a6e 696/* do_brk() must return target values and target errnos. */
992f48a0 697abi_long do_brk(abi_ulong new_brk)
31e31b8a 698{
992f48a0 699 abi_long mapped_addr;
31e31b8a
FB		 700 int new_alloc_size;
701
3a0c6c4a 702 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
4d1de87c
CV		 703
704 if (!new_brk) {
3a0c6c4a 705 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
53a5960a 706 return target_brk;
4d1de87c
CV		 707 }
708 if (new_brk < target_original_brk) {
3a0c6c4a
PB		 709 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
710 target_brk);
7ab240ad 711 return target_brk;
4d1de87c 712 }
3b46e624 713
4d1de87c
CV		 714 /* If the new brk is less than the highest page reserved to the
715 * target heap allocation, set it and we're almost done... */
716 if (new_brk <= brk_page) {
717 /* Heap contents are initialized to zero, as for anonymous
718 * mapped pages. */
719 if (new_brk > target_brk) {
720 memset(g2h(target_brk), 0, new_brk - target_brk);
721 }
31e31b8a 722 target_brk = new_brk;
3a0c6c4a 723 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
53a5960a 724 return target_brk;
31e31b8a
FB		 725 }
726
00faf08c
PM		 727 /* We need to allocate more memory after the brk... Note that
728 * we don't use MAP_FIXED because that will map over the top of
729 * any existing mapping (like the one with the host libc or qemu
730 * itself); instead we treat "mapped but at wrong address" as
731 * a failure and unmap again.
732 */
4d1de87c 733 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
5fafdf24 734 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004 735 PROT_READ|PROT_WRITE,
00faf08c
PM		 736 MAP_ANON|MAP_PRIVATE, 0, 0));
737
738 if (mapped_addr == brk_page) {
70afc343
CV		 739 /* Heap contents are initialized to zero, as for anonymous
740 * mapped pages. Technically the new pages are already
741 * initialized to zero since they *are* anonymous mapped
742 * pages, however we have to take care with the contents that
743 * come from the remaining part of the previous page: it may
744 * contains garbage data due to a previous heap usage (grown
745 * then shrunken). */
746 memset(g2h(target_brk), 0, brk_page - target_brk);
747
00faf08c 748 target_brk = new_brk;
4d1de87c 749 brk_page = HOST_PAGE_ALIGN(target_brk);
3a0c6c4a
PB		 750 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
751 target_brk);
00faf08c
PM		 752 return target_brk;
753 } else if (mapped_addr != -1) {
754 /* Mapped but at wrong address, meaning there wasn't actually
755 * enough space for this brk.
756 */
757 target_munmap(mapped_addr, new_alloc_size);
758 mapped_addr = -1;
3a0c6c4a 759 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
4d1de87c
CV		 760 }
761 else {
3a0c6c4a 762 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
00faf08c 763 }
7ab240ad 764
7dd46c02
RH		 765#if defined(TARGET_ALPHA)
766 /* We (partially) emulate OSF/1 on Alpha, which requires we
767 return a proper errno, not an unchanged brk value. */
00faf08c 768 return -TARGET_ENOMEM;
7dd46c02 769#endif
00faf08c 770 /* For everything else, return the previous break. */
7ab240ad 771 return target_brk;
31e31b8a
FB		 772}
773
26edcf41
TS		 774static inline abi_long copy_from_user_fdset(fd_set *fds,
775 abi_ulong target_fds_addr,
776 int n)
31e31b8a 777{
26edcf41
TS		 778 int i, nw, j, k;
779 abi_ulong b, *target_fds;
780
781 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
782 if (!(target_fds = lock_user(VERIFY_READ,
783 target_fds_addr,
784 sizeof(abi_ulong) * nw,
785 1)))
786 return -TARGET_EFAULT;
787
788 FD_ZERO(fds);
789 k = 0;
790 for (i = 0; i < nw; i++) {
791 /* grab the abi_ulong */
792 __get_user(b, &target_fds[i]);
793 for (j = 0; j < TARGET_ABI_BITS; j++) {
794 /* check the bit inside the abi_ulong */
795 if ((b >> j) & 1)
796 FD_SET(k, fds);
797 k++;
31e31b8a 798 }
31e31b8a 799 }
26edcf41
TS		 800
801 unlock_user(target_fds, target_fds_addr, 0);
802
803 return 0;
31e31b8a
FB		 804}
805
055e0906
MF		 806static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
807 abi_ulong target_fds_addr,
808 int n)
809{
810 if (target_fds_addr) {
811 if (copy_from_user_fdset(fds, target_fds_addr, n))
812 return -TARGET_EFAULT;
813 *fds_ptr = fds;
814 } else {
815 *fds_ptr = NULL;
816 }
817 return 0;
818}
819
26edcf41
TS		 820static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
821 const fd_set *fds,
822 int n)
31e31b8a 823{
31e31b8a 824 int i, nw, j, k;
992f48a0 825 abi_long v;
26edcf41 826 abi_ulong *target_fds;
31e31b8a 827
26edcf41
TS		 828 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
829 if (!(target_fds = lock_user(VERIFY_WRITE,
830 target_fds_addr,
831 sizeof(abi_ulong) * nw,
832 0)))
833 return -TARGET_EFAULT;
834
835 k = 0;
836 for (i = 0; i < nw; i++) {
837 v = 0;
838 for (j = 0; j < TARGET_ABI_BITS; j++) {
9ab709be 839 v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
26edcf41 840 k++;
31e31b8a 841 }
26edcf41 842 __put_user(v, &target_fds[i]);
31e31b8a 843 }
26edcf41
TS		 844
845 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
846
847 return 0;
31e31b8a
FB		 848}
849
c596ed17
FB		 850#if defined(__alpha__)
851#define HOST_HZ 1024
852#else
853#define HOST_HZ 100
854#endif
855
992f48a0 856static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 857{
858#if HOST_HZ == TARGET_HZ
859 return ticks;
860#else
861 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
862#endif
863}
864
579a97f7
FB		 865static inline abi_long host_to_target_rusage(abi_ulong target_addr,
866 const struct rusage *rusage)
b409186b 867{
53a5960a
PB		 868 struct target_rusage *target_rusage;
869
579a97f7
FB		 870 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
871 return -TARGET_EFAULT;
cbb21eed
MB		 872 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
873 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
874 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
875 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
876 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
877 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
878 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
879 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
880 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
881 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
882 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
883 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
884 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
885 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
886 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
887 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
888 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
889 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
53a5960a 890 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 891
892 return 0;
b409186b
FB		 893}
894
cbb21eed 895static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
81bbe906 896{
cbb21eed 897 abi_ulong target_rlim_swap;
95b33b2f
WT		 898 rlim_t result;
899
cbb21eed
MB		 900 target_rlim_swap = tswapal(target_rlim);
901 if (target_rlim_swap == TARGET_RLIM_INFINITY)
902 return RLIM_INFINITY;
903
904 result = target_rlim_swap;
905 if (target_rlim_swap != (rlim_t)result)
906 return RLIM_INFINITY;
95b33b2f
WT		 907
908 return result;
81bbe906
TY		 909}
910
cbb21eed 911static inline abi_ulong host_to_target_rlim(rlim_t rlim)
81bbe906 912{
cbb21eed
MB		 913 abi_ulong target_rlim_swap;
914 abi_ulong result;
95b33b2f 915
cbb21eed 916 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
95b33b2f 917 target_rlim_swap = TARGET_RLIM_INFINITY;
81bbe906 918 else
95b33b2f 919 target_rlim_swap = rlim;
cbb21eed 920 result = tswapal(target_rlim_swap);
95b33b2f
WT		 921
922 return result;
81bbe906
TY		 923}
924
e22b7015
WT		 925static inline int target_to_host_resource(int code)
926{
927 switch (code) {
928 case TARGET_RLIMIT_AS:
929 return RLIMIT_AS;
930 case TARGET_RLIMIT_CORE:
931 return RLIMIT_CORE;
932 case TARGET_RLIMIT_CPU:
933 return RLIMIT_CPU;
934 case TARGET_RLIMIT_DATA:
935 return RLIMIT_DATA;
936 case TARGET_RLIMIT_FSIZE:
937 return RLIMIT_FSIZE;
938 case TARGET_RLIMIT_LOCKS:
939 return RLIMIT_LOCKS;
940 case TARGET_RLIMIT_MEMLOCK:
941 return RLIMIT_MEMLOCK;
942 case TARGET_RLIMIT_MSGQUEUE:
943 return RLIMIT_MSGQUEUE;
944 case TARGET_RLIMIT_NICE:
945 return RLIMIT_NICE;
946 case TARGET_RLIMIT_NOFILE:
947 return RLIMIT_NOFILE;
948 case TARGET_RLIMIT_NPROC:
949 return RLIMIT_NPROC;
950 case TARGET_RLIMIT_RSS:
951 return RLIMIT_RSS;
952 case TARGET_RLIMIT_RTPRIO:
953 return RLIMIT_RTPRIO;
954 case TARGET_RLIMIT_SIGPENDING:
955 return RLIMIT_SIGPENDING;
956 case TARGET_RLIMIT_STACK:
957 return RLIMIT_STACK;
958 default:
959 return code;
960 }
961}
962
788f5ec4
TS		 963static inline abi_long copy_from_user_timeval(struct timeval *tv,
964 abi_ulong target_tv_addr)
31e31b8a 965{
53a5960a
PB		 966 struct target_timeval *target_tv;
967
788f5ec4 968 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 969 return -TARGET_EFAULT;
788f5ec4
TS		 970
971 __get_user(tv->tv_sec, &target_tv->tv_sec);
972 __get_user(tv->tv_usec, &target_tv->tv_usec);
973
974 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 975
976 return 0;
31e31b8a
FB		 977}
978
788f5ec4
TS		 979static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
980 const struct timeval *tv)
31e31b8a 981{
53a5960a
PB		 982 struct target_timeval *target_tv;
983
788f5ec4 984 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 985 return -TARGET_EFAULT;
788f5ec4
TS		 986
987 __put_user(tv->tv_sec, &target_tv->tv_sec);
988 __put_user(tv->tv_usec, &target_tv->tv_usec);
989
990 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 991
992 return 0;
31e31b8a
FB		 993}
994
ef4467e9
PB		 995static inline abi_long copy_from_user_timezone(struct timezone *tz,
996 abi_ulong target_tz_addr)
997{
998 struct target_timezone *target_tz;
999
1000 if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) {
1001 return -TARGET_EFAULT;
1002 }
1003
1004 __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
1005 __get_user(tz->tz_dsttime, &target_tz->tz_dsttime);
1006
1007 unlock_user_struct(target_tz, target_tz_addr, 0);
1008
1009 return 0;
1010}
1011
8ec9cf89
NF		 1012#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
1013#include <mqueue.h>
1014
24e1003a
AJ		 1015static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
1016 abi_ulong target_mq_attr_addr)
1017{
1018 struct target_mq_attr *target_mq_attr;
1019
1020 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
1021 target_mq_attr_addr, 1))
1022 return -TARGET_EFAULT;
1023
1024 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
1025 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1026 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1027 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1028
1029 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
1030
1031 return 0;
1032}
1033
1034static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
1035 const struct mq_attr *attr)
1036{
1037 struct target_mq_attr *target_mq_attr;
1038
1039 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
1040 target_mq_attr_addr, 0))
1041 return -TARGET_EFAULT;
1042
1043 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
1044 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
1045 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
1046 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
1047
1048 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
1049
1050 return 0;
1051}
8ec9cf89 1052#endif
31e31b8a 1053
055e0906 1054#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
0da46a6e 1055/* do_select() must return target values and target errnos. */
992f48a0 1056static abi_long do_select(int n,
26edcf41
TS		 1057 abi_ulong rfd_addr, abi_ulong wfd_addr,
1058 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 1059{
1060 fd_set rfds, wfds, efds;
1061 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1062 struct timeval tv, *tv_ptr;
992f48a0 1063 abi_long ret;
31e31b8a 1064
055e0906
MF		 1065 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1066 if (ret) {
1067 return ret;
53a5960a 1068 }
055e0906
MF		 1069 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1070 if (ret) {
1071 return ret;
53a5960a 1072 }
055e0906
MF		 1073 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1074 if (ret) {
1075 return ret;
53a5960a 1076 }
3b46e624 1077
26edcf41 1078 if (target_tv_addr) {
788f5ec4
TS		 1079 if (copy_from_user_timeval(&tv, target_tv_addr))
1080 return -TARGET_EFAULT;
31e31b8a
FB		 1081 tv_ptr = &tv;
1082 } else {
1083 tv_ptr = NULL;
1084 }
26edcf41 1085
31e31b8a 1086 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 1087
26edcf41
TS		 1088 if (!is_error(ret)) {
1089 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1090 return -TARGET_EFAULT;
1091 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1092 return -TARGET_EFAULT;
1093 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1094 return -TARGET_EFAULT;
31e31b8a 1095
788f5ec4
TS		 1096 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
1097 return -TARGET_EFAULT;
31e31b8a 1098 }
579a97f7 1099
31e31b8a
FB		 1100 return ret;
1101}
055e0906 1102#endif
31e31b8a 1103
099d6b0f
RV		 1104static abi_long do_pipe2(int host_pipe[], int flags)
1105{
1106#ifdef CONFIG_PIPE2
1107 return pipe2(host_pipe, flags);
1108#else
1109 return -ENOSYS;
1110#endif
1111}
1112
fb41a66e
RH		 1113static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1114 int flags, int is_pipe2)
099d6b0f
RV		 1115{
1116 int host_pipe[2];
1117 abi_long ret;
1118 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1119
1120 if (is_error(ret))
1121 return get_errno(ret);
fb41a66e
RH		 1122
1123 /* Several targets have special calling conventions for the original
1124 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1125 if (!is_pipe2) {
1126#if defined(TARGET_ALPHA)
1127 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1128 return host_pipe[0];
1129#elif defined(TARGET_MIPS)
1130 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1131 return host_pipe[0];
1132#elif defined(TARGET_SH4)
597c0212 1133 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
fb41a66e 1134 return host_pipe[0];
82f05b69
PM		 1135#elif defined(TARGET_SPARC)
1136 ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1];
1137 return host_pipe[0];
597c0212 1138#endif
fb41a66e
RH		 1139 }
1140
099d6b0f
RV		 1141 if (put_user_s32(host_pipe[0], pipedes)
1142 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1143 return -TARGET_EFAULT;
099d6b0f
RV		 1144 return get_errno(ret);
1145}
1146
b975b83b
LL		 1147static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1148 abi_ulong target_addr,
1149 socklen_t len)
1150{
1151 struct target_ip_mreqn *target_smreqn;
1152
1153 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1154 if (!target_smreqn)
1155 return -TARGET_EFAULT;
1156 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1157 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1158 if (len == sizeof(struct target_ip_mreqn))
cbb21eed 1159 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
b975b83b
LL		 1160 unlock_user(target_smreqn, target_addr, 0);
1161
1162 return 0;
1163}
1164
579a97f7
FB		 1165static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1166 abi_ulong target_addr,
1167 socklen_t len)
7854b056 1168{
607175e0
AJ		 1169 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1170 sa_family_t sa_family;
53a5960a
PB		 1171 struct target_sockaddr *target_saddr;
1172
579a97f7
FB		 1173 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1174 if (!target_saddr)
1175 return -TARGET_EFAULT;
607175e0
AJ		 1176
1177 sa_family = tswap16(target_saddr->sa_family);
1178
1179 /* Oops. The caller might send a incomplete sun_path; sun_path
1180 * must be terminated by \0 (see the manual page), but
1181 * unfortunately it is quite common to specify sockaddr_un
1182 * length as "strlen(x->sun_path)" while it should be
1183 * "strlen(...) + 1". We'll fix that here if needed.
1184 * Linux kernel has a similar feature.
1185 */
1186
1187 if (sa_family == AF_UNIX) {
1188 if (len < unix_maxlen && len > 0) {
1189 char *cp = (char*)target_saddr;
1190
1191 if ( cp[len-1] && !cp[len] )
1192 len++;
1193 }
1194 if (len > unix_maxlen)
1195 len = unix_maxlen;
1196 }
1197
53a5960a 1198 memcpy(addr, target_saddr, len);
607175e0 1199 addr->sa_family = sa_family;
33a29b51
JT		 1200 if (sa_family == AF_PACKET) {
1201 struct target_sockaddr_ll *lladdr;
1202
1203 lladdr = (struct target_sockaddr_ll *)addr;
1204 lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex);
1205 lladdr->sll_hatype = tswap16(lladdr->sll_hatype);
1206 }
53a5960a 1207 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1208
1209 return 0;
7854b056
FB		 1210}
1211
579a97f7
FB		 1212static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1213 struct sockaddr *addr,
1214 socklen_t len)
7854b056 1215{
53a5960a
PB		 1216 struct target_sockaddr *target_saddr;
1217
579a97f7
FB		 1218 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1219 if (!target_saddr)
1220 return -TARGET_EFAULT;
53a5960a
PB		 1221 memcpy(target_saddr, addr, len);
1222 target_saddr->sa_family = tswap16(addr->sa_family);
1223 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1224
1225 return 0;
7854b056
FB		 1226}
1227
5a4a898d
FB		 1228static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1229 struct target_msghdr *target_msgh)
7854b056
FB		 1230{
1231 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1232 abi_long msg_controllen;
1233 abi_ulong target_cmsg_addr;
ee104587 1234 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
7854b056 1235 socklen_t space = 0;
5a4a898d 1236
cbb21eed 1237 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1238 if (msg_controllen < sizeof (struct target_cmsghdr))
1239 goto the_end;
cbb21eed 1240 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d 1241 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
ee104587 1242 target_cmsg_start = target_cmsg;
5a4a898d
FB		 1243 if (!target_cmsg)
1244 return -TARGET_EFAULT;
7854b056
FB		 1245
1246 while (cmsg && target_cmsg) {
1247 void *data = CMSG_DATA(cmsg);
1248 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1249
cbb21eed 1250 int len = tswapal(target_cmsg->cmsg_len)
7854b056
FB		 1251 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1252
1253 space += CMSG_SPACE(len);
1254 if (space > msgh->msg_controllen) {
1255 space -= CMSG_SPACE(len);
c2aeb258
PM		 1256 /* This is a QEMU bug, since we allocated the payload
1257 * area ourselves (unlike overflow in host-to-target
1258 * conversion, which is just the guest giving us a buffer
1259 * that's too small). It can't happen for the payload types
1260 * we currently support; if it becomes an issue in future
1261 * we would need to improve our allocation strategy to
1262 * something more intelligent than "twice the size of the
1263 * target buffer we're reading from".
1264 */
31febb71 1265 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1266 break;
1267 }
1268
dbf4f796
PJ		 1269 if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
1270 cmsg->cmsg_level = SOL_SOCKET;
1271 } else {
1272 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1273 }
7854b056
FB		 1274 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1275 cmsg->cmsg_len = CMSG_LEN(len);
1276
30b8b68e 1277 if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
7854b056
FB		 1278 int *fd = (int *)data;
1279 int *target_fd = (int *)target_data;
1280 int i, numfds = len / sizeof(int);
1281
876e23cb
PM		 1282 for (i = 0; i < numfds; i++) {
1283 __get_user(fd[i], target_fd + i);
1284 }
30b8b68e
AS		 1285 } else if (cmsg->cmsg_level == SOL_SOCKET
1286 && cmsg->cmsg_type == SCM_CREDENTIALS) {
1287 struct ucred *cred = (struct ucred *)data;
1288 struct target_ucred *target_cred =
1289 (struct target_ucred *)target_data;
1290
876e23cb
PM		 1291 __get_user(cred->pid, &target_cred->pid);
1292 __get_user(cred->uid, &target_cred->uid);
1293 __get_user(cred->gid, &target_cred->gid);
30b8b68e
AS		 1294 } else {
1295 gemu_log("Unsupported ancillary data: %d/%d\n",
1296 cmsg->cmsg_level, cmsg->cmsg_type);
1297 memcpy(data, target_data, len);
7854b056
FB		 1298 }
1299
1300 cmsg = CMSG_NXTHDR(msgh, cmsg);
ee104587
JN		 1301 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
1302 target_cmsg_start);
7854b056 1303 }
5a4a898d
FB		 1304 unlock_user(target_cmsg, target_cmsg_addr, 0);
1305 the_end:
7854b056 1306 msgh->msg_controllen = space;
5a4a898d 1307 return 0;
7854b056
FB		 1308}
1309
5a4a898d
FB		 1310static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1311 struct msghdr *msgh)
7854b056
FB		 1312{
1313 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1314 abi_long msg_controllen;
1315 abi_ulong target_cmsg_addr;
ee104587 1316 struct target_cmsghdr *target_cmsg, *target_cmsg_start;
7854b056
FB		 1317 socklen_t space = 0;
1318
cbb21eed 1319 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1320 if (msg_controllen < sizeof (struct target_cmsghdr))
1321 goto the_end;
cbb21eed 1322 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d 1323 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
ee104587 1324 target_cmsg_start = target_cmsg;
5a4a898d
FB		 1325 if (!target_cmsg)
1326 return -TARGET_EFAULT;
1327
7854b056
FB		 1328 while (cmsg && target_cmsg) {
1329 void *data = CMSG_DATA(cmsg);
1330 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1331
1332 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
c2aeb258 1333 int tgt_len, tgt_space;
7854b056 1334
c2aeb258
PM		 1335 /* We never copy a half-header but may copy half-data;
1336 * this is Linux's behaviour in put_cmsg(). Note that
1337 * truncation here is a guest problem (which we report
1338 * to the guest via the CTRUNC bit), unlike truncation
1339 * in target_to_host_cmsg, which is a QEMU bug.
1340 */
1341 if (msg_controllen < sizeof(struct cmsghdr)) {
1342 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
7854b056
FB		 1343 break;
1344 }
1345
dbf4f796
PJ		 1346 if (cmsg->cmsg_level == SOL_SOCKET) {
1347 target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
1348 } else {
1349 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1350 }
7854b056 1351 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
7854b056 1352
c2aeb258
PM		 1353 tgt_len = TARGET_CMSG_LEN(len);
1354
1355 /* Payload types which need a different size of payload on
1356 * the target must adjust tgt_len here.
1357 */
1358 switch (cmsg->cmsg_level) {
1359 case SOL_SOCKET:
1360 switch (cmsg->cmsg_type) {
1361 case SO_TIMESTAMP:
1362 tgt_len = sizeof(struct target_timeval);
1363 break;
1364 default:
1365 break;
1366 }
1367 default:
1368 break;
1369 }
1370
1371 if (msg_controllen < tgt_len) {
1372 target_msgh->msg_flags |= tswap32(MSG_CTRUNC);
1373 tgt_len = msg_controllen;
1374 }
1375
1376 /* We must now copy-and-convert len bytes of payload
1377 * into tgt_len bytes of destination space. Bear in mind
1378 * that in both source and destination we may be dealing
1379 * with a truncated value!
1380 */
52b65494
HD		 1381 switch (cmsg->cmsg_level) {
1382 case SOL_SOCKET:
1383 switch (cmsg->cmsg_type) {
1384 case SCM_RIGHTS:
1385 {
1386 int *fd = (int *)data;
1387 int *target_fd = (int *)target_data;
c2aeb258 1388 int i, numfds = tgt_len / sizeof(int);
52b65494 1389
876e23cb
PM		 1390 for (i = 0; i < numfds; i++) {
1391 __put_user(fd[i], target_fd + i);
1392 }
52b65494
HD		 1393 break;
1394 }
1395 case SO_TIMESTAMP:
1396 {
1397 struct timeval *tv = (struct timeval *)data;
1398 struct target_timeval *target_tv =
1399 (struct target_timeval *)target_data;
1400
c2aeb258
PM		 1401 if (len != sizeof(struct timeval) ||
1402 tgt_len != sizeof(struct target_timeval)) {
52b65494 1403 goto unimplemented;
c2aeb258 1404 }
52b65494
HD		 1405
1406 /* copy struct timeval to target */
876e23cb
PM		 1407 __put_user(tv->tv_sec, &target_tv->tv_sec);
1408 __put_user(tv->tv_usec, &target_tv->tv_usec);
52b65494
HD		 1409 break;
1410 }
4bc29756
HD		 1411 case SCM_CREDENTIALS:
1412 {
1413 struct ucred *cred = (struct ucred *)data;
1414 struct target_ucred *target_cred =
1415 (struct target_ucred *)target_data;
1416
1417 __put_user(cred->pid, &target_cred->pid);
1418 __put_user(cred->uid, &target_cred->uid);
1419 __put_user(cred->gid, &target_cred->gid);
1420 break;
1421 }
52b65494
HD		 1422 default:
1423 goto unimplemented;
1424 }
1425 break;
7854b056 1426
52b65494
HD		 1427 default:
1428 unimplemented:
aebf5bc7
JH		 1429 gemu_log("Unsupported ancillary data: %d/%d\n",
1430 cmsg->cmsg_level, cmsg->cmsg_type);
c2aeb258
PM		 1431 memcpy(target_data, data, MIN(len, tgt_len));
1432 if (tgt_len > len) {
1433 memset(target_data + len, 0, tgt_len - len);
1434 }
7854b056
FB		 1435 }
1436
c2aeb258 1437 target_cmsg->cmsg_len = tswapal(tgt_len);
ee104587 1438 tgt_space = TARGET_CMSG_SPACE(len);
c2aeb258
PM		 1439 if (msg_controllen < tgt_space) {
1440 tgt_space = msg_controllen;
1441 }
1442 msg_controllen -= tgt_space;
1443 space += tgt_space;
7854b056 1444 cmsg = CMSG_NXTHDR(msgh, cmsg);
ee104587
JN		 1445 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg,
1446 target_cmsg_start);
7854b056 1447 }
5a4a898d
FB		 1448 unlock_user(target_cmsg, target_cmsg_addr, space);
1449 the_end:
cbb21eed 1450 target_msgh->msg_controllen = tswapal(space);
5a4a898d 1451 return 0;
7854b056
FB		 1452}
1453
0da46a6e 1454/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1455static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1456 abi_ulong optval_addr, socklen_t optlen)
7854b056 1457{
992f48a0 1458 abi_long ret;
32407103 1459 int val;
b975b83b 1460 struct ip_mreqn *ip_mreq;
6e3cb58f 1461 struct ip_mreq_source *ip_mreq_source;
3b46e624 1462
8853f86e
FB		 1463 switch(level) {
1464 case SOL_TCP:
7854b056 1465 /* TCP options all take an 'int' value. */
7854b056 1466 if (optlen < sizeof(uint32_t))
0da46a6e 1467 return -TARGET_EINVAL;
3b46e624 1468
2f619698
FB		 1469 if (get_user_u32(val, optval_addr))
1470 return -TARGET_EFAULT;
8853f86e
FB		 1471 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1472 break;
1473 case SOL_IP:
1474 switch(optname) {
2efbe911
FB		 1475 case IP_TOS:
1476 case IP_TTL:
8853f86e 1477 case IP_HDRINCL:
2efbe911
FB		 1478 case IP_ROUTER_ALERT:
1479 case IP_RECVOPTS:
1480 case IP_RETOPTS:
1481 case IP_PKTINFO:
1482 case IP_MTU_DISCOVER:
1483 case IP_RECVERR:
1484 case IP_RECVTOS:
1485#ifdef IP_FREEBIND
1486 case IP_FREEBIND:
1487#endif
1488 case IP_MULTICAST_TTL:
1489 case IP_MULTICAST_LOOP:
8853f86e
FB		 1490 val = 0;
1491 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1492 if (get_user_u32(val, optval_addr))
1493 return -TARGET_EFAULT;
8853f86e 1494 } else if (optlen >= 1) {
2f619698
FB		 1495 if (get_user_u8(val, optval_addr))
1496 return -TARGET_EFAULT;
8853f86e
FB		 1497 }
1498 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1499 break;
b975b83b
LL		 1500 case IP_ADD_MEMBERSHIP:
1501 case IP_DROP_MEMBERSHIP:
1502 if (optlen < sizeof (struct target_ip_mreq) ||
1503 optlen > sizeof (struct target_ip_mreqn))
1504 return -TARGET_EINVAL;
1505
1506 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1507 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1508 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1509 break;
1510
6e3cb58f
LL		 1511 case IP_BLOCK_SOURCE:
1512 case IP_UNBLOCK_SOURCE:
1513 case IP_ADD_SOURCE_MEMBERSHIP:
1514 case IP_DROP_SOURCE_MEMBERSHIP:
1515 if (optlen != sizeof (struct target_ip_mreq_source))
1516 return -TARGET_EINVAL;
1517
1518 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1519 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1520 unlock_user (ip_mreq_source, optval_addr, 0);
1521 break;
1522
920394db
JH		 1523 default:
1524 goto unimplemented;
1525 }
1526 break;
0d78b3b5
LV		 1527 case SOL_IPV6:
1528 switch (optname) {
1529 case IPV6_MTU_DISCOVER:
1530 case IPV6_MTU:
1531 case IPV6_V6ONLY:
1532 case IPV6_RECVPKTINFO:
1533 val = 0;
1534 if (optlen < sizeof(uint32_t)) {
1535 return -TARGET_EINVAL;
1536 }
1537 if (get_user_u32(val, optval_addr)) {
1538 return -TARGET_EFAULT;
1539 }
1540 ret = get_errno(setsockopt(sockfd, level, optname,
1541 &val, sizeof(val)));
1542 break;
1543 default:
1544 goto unimplemented;
1545 }
1546 break;
920394db
JH		 1547 case SOL_RAW:
1548 switch (optname) {
1549 case ICMP_FILTER:
1550 /* struct icmp_filter takes an u32 value */
1551 if (optlen < sizeof(uint32_t)) {
1552 return -TARGET_EINVAL;
1553 }
1554
1555 if (get_user_u32(val, optval_addr)) {
1556 return -TARGET_EFAULT;
1557 }
1558 ret = get_errno(setsockopt(sockfd, level, optname,
1559 &val, sizeof(val)));
1560 break;
1561
8853f86e
FB		 1562 default:
1563 goto unimplemented;
1564 }
1565 break;
3532fa74 1566 case TARGET_SOL_SOCKET:
8853f86e 1567 switch (optname) {
1b09aeb9
LV		 1568 case TARGET_SO_RCVTIMEO:
1569 {
1570 struct timeval tv;
1571
1572 optname = SO_RCVTIMEO;
1573
1574set_timeout:
1575 if (optlen != sizeof(struct target_timeval)) {
1576 return -TARGET_EINVAL;
1577 }
1578
1579 if (copy_from_user_timeval(&tv, optval_addr)) {
1580 return -TARGET_EFAULT;
1581 }
1582
1583 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
1584 &tv, sizeof(tv)));
1585 return ret;
1586 }
1587 case TARGET_SO_SNDTIMEO:
1588 optname = SO_SNDTIMEO;
1589 goto set_timeout;
f57d4192
LV		 1590 case TARGET_SO_ATTACH_FILTER:
1591 {
1592 struct target_sock_fprog *tfprog;
1593 struct target_sock_filter *tfilter;
1594 struct sock_fprog fprog;
1595 struct sock_filter *filter;
1596 int i;
1597
1598 if (optlen != sizeof(*tfprog)) {
1599 return -TARGET_EINVAL;
1600 }
1601 if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
1602 return -TARGET_EFAULT;
1603 }
1604 if (!lock_user_struct(VERIFY_READ, tfilter,
1605 tswapal(tfprog->filter), 0)) {
1606 unlock_user_struct(tfprog, optval_addr, 1);
1607 return -TARGET_EFAULT;
1608 }
1609
1610 fprog.len = tswap16(tfprog->len);
1611 filter = malloc(fprog.len * sizeof(*filter));
1612 if (filter == NULL) {
1613 unlock_user_struct(tfilter, tfprog->filter, 1);
1614 unlock_user_struct(tfprog, optval_addr, 1);
1615 return -TARGET_ENOMEM;
1616 }
1617 for (i = 0; i < fprog.len; i++) {
1618 filter[i].code = tswap16(tfilter[i].code);
1619 filter[i].jt = tfilter[i].jt;
1620 filter[i].jf = tfilter[i].jf;
1621 filter[i].k = tswap32(tfilter[i].k);
1622 }
1623 fprog.filter = filter;
1624
1625 ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
1626 SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
1627 free(filter);
1628
1629 unlock_user_struct(tfilter, tfprog->filter, 1);
1630 unlock_user_struct(tfprog, optval_addr, 1);
1631 return ret;
1632 }
451aaf68
JT		 1633 case TARGET_SO_BINDTODEVICE:
1634 {
1635 char *dev_ifname, *addr_ifname;
1636
1637 if (optlen > IFNAMSIZ - 1) {
1638 optlen = IFNAMSIZ - 1;
1639 }
1640 dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1641 if (!dev_ifname) {
1642 return -TARGET_EFAULT;
1643 }
1644 optname = SO_BINDTODEVICE;
1645 addr_ifname = alloca(IFNAMSIZ);
1646 memcpy(addr_ifname, dev_ifname, optlen);
1647 addr_ifname[optlen] = 0;
1648 ret = get_errno(setsockopt(sockfd, level, optname, addr_ifname, optlen));
1649 unlock_user (dev_ifname, optval_addr, 0);
1650 return ret;
1651 }
8853f86e 1652 /* Options with 'int' argument. */
3532fa74
FB		 1653 case TARGET_SO_DEBUG:
1654 optname = SO_DEBUG;
1655 break;
1656 case TARGET_SO_REUSEADDR:
1657 optname = SO_REUSEADDR;
1658 break;
1659 case TARGET_SO_TYPE:
1660 optname = SO_TYPE;
1661 break;
1662 case TARGET_SO_ERROR:
1663 optname = SO_ERROR;
1664 break;
1665 case TARGET_SO_DONTROUTE:
1666 optname = SO_DONTROUTE;
1667 break;
1668 case TARGET_SO_BROADCAST:
1669 optname = SO_BROADCAST;
1670 break;
1671 case TARGET_SO_SNDBUF:
1672 optname = SO_SNDBUF;
1673 break;
d79b6cc4
PB		 1674 case TARGET_SO_SNDBUFFORCE:
1675 optname = SO_SNDBUFFORCE;
1676 break;
3532fa74
FB		 1677 case TARGET_SO_RCVBUF:
1678 optname = SO_RCVBUF;
1679 break;
d79b6cc4
PB		 1680 case TARGET_SO_RCVBUFFORCE:
1681 optname = SO_RCVBUFFORCE;
1682 break;
3532fa74
FB		 1683 case TARGET_SO_KEEPALIVE:
1684 optname = SO_KEEPALIVE;
1685 break;
1686 case TARGET_SO_OOBINLINE:
1687 optname = SO_OOBINLINE;
1688 break;
1689 case TARGET_SO_NO_CHECK:
1690 optname = SO_NO_CHECK;
1691 break;
1692 case TARGET_SO_PRIORITY:
1693 optname = SO_PRIORITY;
1694 break;
5e83e8e3 1695#ifdef SO_BSDCOMPAT
3532fa74
FB		 1696 case TARGET_SO_BSDCOMPAT:
1697 optname = SO_BSDCOMPAT;
1698 break;
5e83e8e3 1699#endif
3532fa74
FB		 1700 case TARGET_SO_PASSCRED:
1701 optname = SO_PASSCRED;
1702 break;
82d0fe6b
PB		 1703 case TARGET_SO_PASSSEC:
1704 optname = SO_PASSSEC;
1705 break;
3532fa74
FB		 1706 case TARGET_SO_TIMESTAMP:
1707 optname = SO_TIMESTAMP;
1708 break;
1709 case TARGET_SO_RCVLOWAT:
1710 optname = SO_RCVLOWAT;
1711 break;
8853f86e
FB		 1712 break;
1713 default:
1714 goto unimplemented;
1715 }
3532fa74 1716 if (optlen < sizeof(uint32_t))
2f619698 1717 return -TARGET_EINVAL;
3532fa74 1718
2f619698
FB		 1719 if (get_user_u32(val, optval_addr))
1720 return -TARGET_EFAULT;
3532fa74 1721 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1722 break;
7854b056 1723 default:
8853f86e 1724 unimplemented:
b2bedb21 1725 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
6fa13c17 1726 ret = -TARGET_ENOPROTOOPT;
7854b056 1727 }
8853f86e 1728 return ret;
7854b056
FB		 1729}
1730
0da46a6e 1731/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1732static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1733 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1734{
992f48a0 1735 abi_long ret;
b55266b5
BS		 1736 int len, val;
1737 socklen_t lv;
8853f86e
FB		 1738
1739 switch(level) {
3532fa74 1740 case TARGET_SOL_SOCKET:
f3b974cd
JL		 1741 level = SOL_SOCKET;
1742 switch (optname) {
1743 /* These don't just return a single integer */
1744 case TARGET_SO_LINGER:
1745 case TARGET_SO_RCVTIMEO:
1746 case TARGET_SO_SNDTIMEO:
f3b974cd
JL		 1747 case TARGET_SO_PEERNAME:
1748 goto unimplemented;
583359a6
AP		 1749 case TARGET_SO_PEERCRED: {
1750 struct ucred cr;
1751 socklen_t crlen;
1752 struct target_ucred *tcr;
1753
1754 if (get_user_u32(len, optlen)) {
1755 return -TARGET_EFAULT;
1756 }
1757 if (len < 0) {
1758 return -TARGET_EINVAL;
1759 }
1760
1761 crlen = sizeof(cr);
1762 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
1763 &cr, &crlen));
1764 if (ret < 0) {
1765 return ret;
1766 }
1767 if (len > crlen) {
1768 len = crlen;
1769 }
1770 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
1771 return -TARGET_EFAULT;
1772 }
1773 __put_user(cr.pid, &tcr->pid);
1774 __put_user(cr.uid, &tcr->uid);
1775 __put_user(cr.gid, &tcr->gid);
1776 unlock_user_struct(tcr, optval_addr, 1);
1777 if (put_user_u32(len, optlen)) {
1778 return -TARGET_EFAULT;
1779 }
1780 break;
1781 }
f3b974cd
JL		 1782 /* Options with 'int' argument. */
1783 case TARGET_SO_DEBUG:
1784 optname = SO_DEBUG;
1785 goto int_case;
1786 case TARGET_SO_REUSEADDR:
1787 optname = SO_REUSEADDR;
1788 goto int_case;
1789 case TARGET_SO_TYPE:
1790 optname = SO_TYPE;
1791 goto int_case;
1792 case TARGET_SO_ERROR:
1793 optname = SO_ERROR;
1794 goto int_case;
1795 case TARGET_SO_DONTROUTE:
1796 optname = SO_DONTROUTE;
1797 goto int_case;
1798 case TARGET_SO_BROADCAST:
1799 optname = SO_BROADCAST;
1800 goto int_case;
1801 case TARGET_SO_SNDBUF:
1802 optname = SO_SNDBUF;
1803 goto int_case;
1804 case TARGET_SO_RCVBUF:
1805 optname = SO_RCVBUF;
1806 goto int_case;
1807 case TARGET_SO_KEEPALIVE:
1808 optname = SO_KEEPALIVE;
1809 goto int_case;
1810 case TARGET_SO_OOBINLINE:
1811 optname = SO_OOBINLINE;
1812 goto int_case;
1813 case TARGET_SO_NO_CHECK:
1814 optname = SO_NO_CHECK;
1815 goto int_case;
1816 case TARGET_SO_PRIORITY:
1817 optname = SO_PRIORITY;
1818 goto int_case;
1819#ifdef SO_BSDCOMPAT
1820 case TARGET_SO_BSDCOMPAT:
1821 optname = SO_BSDCOMPAT;
1822 goto int_case;
1823#endif
1824 case TARGET_SO_PASSCRED:
1825 optname = SO_PASSCRED;
1826 goto int_case;
1827 case TARGET_SO_TIMESTAMP:
1828 optname = SO_TIMESTAMP;
1829 goto int_case;
1830 case TARGET_SO_RCVLOWAT:
1831 optname = SO_RCVLOWAT;
1832 goto int_case;
aec1ca41
PB		 1833 case TARGET_SO_ACCEPTCONN:
1834 optname = SO_ACCEPTCONN;
1835 goto int_case;
8853f86e 1836 default:
2efbe911
FB		 1837 goto int_case;
1838 }
1839 break;
1840 case SOL_TCP:
1841 /* TCP options all take an 'int' value. */
1842 int_case:
2f619698
FB		 1843 if (get_user_u32(len, optlen))
1844 return -TARGET_EFAULT;
2efbe911 1845 if (len < 0)
0da46a6e 1846 return -TARGET_EINVAL;
73160d95 1847 lv = sizeof(lv);
2efbe911
FB		 1848 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1849 if (ret < 0)
1850 return ret;
8289d112
PB		 1851 if (optname == SO_TYPE) {
1852 val = host_to_target_sock_type(val);
1853 }
2efbe911
FB		 1854 if (len > lv)
1855 len = lv;
2f619698
FB		 1856 if (len == 4) {
1857 if (put_user_u32(val, optval_addr))
1858 return -TARGET_EFAULT;
1859 } else {
1860 if (put_user_u8(val, optval_addr))
1861 return -TARGET_EFAULT;
f3b974cd 1862 }
2f619698
FB		 1863 if (put_user_u32(len, optlen))
1864 return -TARGET_EFAULT;
2efbe911
FB		 1865 break;
1866 case SOL_IP:
1867 switch(optname) {
1868 case IP_TOS:
1869 case IP_TTL:
1870 case IP_HDRINCL:
1871 case IP_ROUTER_ALERT:
1872 case IP_RECVOPTS:
1873 case IP_RETOPTS:
1874 case IP_PKTINFO:
1875 case IP_MTU_DISCOVER:
1876 case IP_RECVERR:
1877 case IP_RECVTOS:
1878#ifdef IP_FREEBIND
1879 case IP_FREEBIND:
1880#endif
1881 case IP_MULTICAST_TTL:
1882 case IP_MULTICAST_LOOP:
2f619698
FB		 1883 if (get_user_u32(len, optlen))
1884 return -TARGET_EFAULT;
8853f86e 1885 if (len < 0)
0da46a6e 1886 return -TARGET_EINVAL;
73160d95 1887 lv = sizeof(lv);
8853f86e
FB		 1888 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1889 if (ret < 0)
1890 return ret;
2efbe911 1891 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1892 len = 1;
2f619698
FB		 1893 if (put_user_u32(len, optlen)
1894 || put_user_u8(val, optval_addr))
1895 return -TARGET_EFAULT;
2efbe911 1896 } else {
2efbe911
FB		 1897 if (len > sizeof(int))
1898 len = sizeof(int);
2f619698
FB		 1899 if (put_user_u32(len, optlen)
1900 || put_user_u32(val, optval_addr))
1901 return -TARGET_EFAULT;
2efbe911 1902 }
8853f86e 1903 break;
2efbe911 1904 default:
c02f499e
TS		 1905 ret = -TARGET_ENOPROTOOPT;
1906 break;
8853f86e
FB		 1907 }
1908 break;
1909 default:
1910 unimplemented:
1911 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1912 level, optname);
c02f499e 1913 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1914 break;
1915 }
1916 return ret;
7854b056
FB		 1917}
1918
f287b2c2
RH		 1919static struct iovec *lock_iovec(int type, abi_ulong target_addr,
1920 int count, int copy)
53a5960a
PB		 1921{
1922 struct target_iovec *target_vec;
f287b2c2
RH		 1923 struct iovec *vec;
1924 abi_ulong total_len, max_len;
d732dcb4 1925 int i;
501bb4b0 1926 int err = 0;
29560a6c 1927 bool bad_address = false;
53a5960a 1928
f287b2c2
RH		 1929 if (count == 0) {
1930 errno = 0;
1931 return NULL;
1932 }
dfae8e00 1933 if (count < 0 || count > IOV_MAX) {
f287b2c2
RH		 1934 errno = EINVAL;
1935 return NULL;
1936 }
1937
1938 vec = calloc(count, sizeof(struct iovec));
1939 if (vec == NULL) {
1940 errno = ENOMEM;
1941 return NULL;
1942 }
1943
1944 target_vec = lock_user(VERIFY_READ, target_addr,
1945 count * sizeof(struct target_iovec), 1);
1946 if (target_vec == NULL) {
501bb4b0 1947 err = EFAULT;
f287b2c2
RH		 1948 goto fail2;
1949 }
1950
1951 /* ??? If host page size > target page size, this will result in a
1952 value larger than what we can actually support. */
1953 max_len = 0x7fffffff & TARGET_PAGE_MASK;
1954 total_len = 0;
1955
1956 for (i = 0; i < count; i++) {
1957 abi_ulong base = tswapal(target_vec[i].iov_base);
1958 abi_long len = tswapal(target_vec[i].iov_len);
1959
1960 if (len < 0) {
501bb4b0 1961 err = EINVAL;
f287b2c2
RH		 1962 goto fail;
1963 } else if (len == 0) {
1964 /* Zero length pointer is ignored. */
1965 vec[i].iov_base = 0;
41df8411 1966 } else {
f287b2c2 1967 vec[i].iov_base = lock_user(type, base, len, copy);
29560a6c
TM		 1968 /* If the first buffer pointer is bad, this is a fault. But
1969 * subsequent bad buffers will result in a partial write; this
1970 * is realized by filling the vector with null pointers and
1971 * zero lengths. */
f287b2c2 1972 if (!vec[i].iov_base) {
29560a6c
TM		 1973 if (i == 0) {
1974 err = EFAULT;
1975 goto fail;
1976 } else {
1977 bad_address = true;
1978 }
1979 }
1980 if (bad_address) {
1981 len = 0;
f287b2c2
RH		 1982 }
1983 if (len > max_len - total_len) {
1984 len = max_len - total_len;
1985 }
41df8411 1986 }
f287b2c2
RH		 1987 vec[i].iov_len = len;
1988 total_len += len;
579a97f7 1989 }
f287b2c2
RH		 1990
1991 unlock_user(target_vec, target_addr, 0);
1992 return vec;
1993
1994 fail:
7eff518b
CG		 1995 while (--i >= 0) {
1996 if (tswapal(target_vec[i].iov_len) > 0) {
1997 unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0);
1998 }
1999 }
f287b2c2 2000 unlock_user(target_vec, target_addr, 0);
501bb4b0
PM		 2001 fail2:
2002 free(vec);
2003 errno = err;
f287b2c2 2004 return NULL;
53a5960a
PB		 2005}
2006
f287b2c2
RH		 2007static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
2008 int count, int copy)
53a5960a
PB		 2009{
2010 struct target_iovec *target_vec;
53a5960a
PB		 2011 int i;
2012
f287b2c2
RH		 2013 target_vec = lock_user(VERIFY_READ, target_addr,
2014 count * sizeof(struct target_iovec), 1);
2015 if (target_vec) {
2016 for (i = 0; i < count; i++) {
2017 abi_ulong base = tswapal(target_vec[i].iov_base);
71ec7cef 2018 abi_long len = tswapal(target_vec[i].iov_len);
f287b2c2
RH		 2019 if (len < 0) {
2020 break;
2021 }
d732dcb4
AZ		 2022 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
2023 }
f287b2c2 2024 unlock_user(target_vec, target_addr, 0);
53a5960a 2025 }
579a97f7 2026
f287b2c2 2027 free(vec);
53a5960a
PB		 2028}
2029
53d09b76 2030static inline int target_to_host_sock_type(int *type)
3532fa74 2031{
f651e6ae
PJ		 2032 int host_type = 0;
2033 int target_type = *type;
2034
2035 switch (target_type & TARGET_SOCK_TYPE_MASK) {
3532fa74 2036 case TARGET_SOCK_DGRAM:
f651e6ae 2037 host_type = SOCK_DGRAM;
3532fa74
FB		 2038 break;
2039 case TARGET_SOCK_STREAM:
f651e6ae 2040 host_type = SOCK_STREAM;
3532fa74 2041 break;
f651e6ae
PJ		 2042 default:
2043 host_type = target_type & TARGET_SOCK_TYPE_MASK;
3532fa74
FB		 2044 break;
2045 }
f651e6ae 2046 if (target_type & TARGET_SOCK_CLOEXEC) {
53d09b76 2047#if defined(SOCK_CLOEXEC)
f651e6ae 2048 host_type |= SOCK_CLOEXEC;
53d09b76
EI		 2049#else
2050 return -TARGET_EINVAL;
2051#endif
f651e6ae
PJ		 2052 }
2053 if (target_type & TARGET_SOCK_NONBLOCK) {
53d09b76 2054#if defined(SOCK_NONBLOCK)
f651e6ae 2055 host_type |= SOCK_NONBLOCK;
53d09b76
EI		 2056#elif !defined(O_NONBLOCK)
2057 return -TARGET_EINVAL;
2058#endif
f651e6ae
PJ		 2059 }
2060 *type = host_type;
53d09b76
EI		 2061 return 0;
2062}
2063
2064/* Try to emulate socket type flags after socket creation. */
2065static int sock_flags_fixup(int fd, int target_type)
2066{
2067#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
2068 if (target_type & TARGET_SOCK_NONBLOCK) {
2069 int flags = fcntl(fd, F_GETFL);
2070 if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
2071 close(fd);
2072 return -TARGET_EINVAL;
2073 }
2074 }
2075#endif
2076 return fd;
f651e6ae
PJ		 2077}
2078
2079/* do_socket() Must return target values and target errnos. */
2080static abi_long do_socket(int domain, int type, int protocol)
2081{
53d09b76
EI		 2082 int target_type = type;
2083 int ret;
2084
2085 ret = target_to_host_sock_type(&type);
2086 if (ret) {
2087 return ret;
2088 }
f651e6ae 2089
12bc92ab 2090 if (domain == PF_NETLINK)
480eda2e 2091 return -TARGET_EAFNOSUPPORT;
53d09b76
EI		 2092 ret = get_errno(socket(domain, type, protocol));
2093 if (ret >= 0) {
2094 ret = sock_flags_fixup(ret, target_type);
2095 }
2096 return ret;
3532fa74
FB		 2097}
2098
0da46a6e 2099/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 2100static abi_long do_bind(int sockfd, abi_ulong target_addr,
2101 socklen_t addrlen)
3532fa74 2102{
8f7aeaf6 2103 void *addr;
917507b0 2104 abi_long ret;
8f7aeaf6 2105
38724253 2106 if ((int)addrlen < 0) {
8f7aeaf6 2107 return -TARGET_EINVAL;
38724253 2108 }
8f7aeaf6 2109
607175e0 2110 addr = alloca(addrlen+1);
3b46e624 2111
917507b0
AP		 2112 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2113 if (ret)
2114 return ret;
2115
3532fa74
FB		 2116 return get_errno(bind(sockfd, addr, addrlen));
2117}
2118
0da46a6e 2119/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 2120static abi_long do_connect(int sockfd, abi_ulong target_addr,
2121 socklen_t addrlen)
3532fa74 2122{
8f7aeaf6 2123 void *addr;
917507b0 2124 abi_long ret;
8f7aeaf6 2125
38724253 2126 if ((int)addrlen < 0) {
8f7aeaf6 2127 return -TARGET_EINVAL;
38724253 2128 }
8f7aeaf6 2129
2dd08dfd 2130 addr = alloca(addrlen+1);
3b46e624 2131
917507b0
AP		 2132 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2133 if (ret)
2134 return ret;
2135
3532fa74
FB		 2136 return get_errno(connect(sockfd, addr, addrlen));
2137}
2138
f19e00d7
AG		 2139/* do_sendrecvmsg_locked() Must return target values and target errnos. */
2140static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
2141 int flags, int send)
3532fa74 2142{
6de645c7 2143 abi_long ret, len;
3532fa74
FB		 2144 struct msghdr msg;
2145 int count;
2146 struct iovec *vec;
992f48a0 2147 abi_ulong target_vec;
3532fa74 2148
3532fa74
FB		 2149 if (msgp->msg_name) {
2150 msg.msg_namelen = tswap32(msgp->msg_namelen);
2dd08dfd 2151 msg.msg_name = alloca(msg.msg_namelen+1);
cbb21eed 2152 ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
3532fa74 2153 msg.msg_namelen);
917507b0 2154 if (ret) {
f287b2c2 2155 goto out2;
917507b0 2156 }
3532fa74
FB		 2157 } else {
2158 msg.msg_name = NULL;
2159 msg.msg_namelen = 0;
2160 }
cbb21eed 2161 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3532fa74
FB		 2162 msg.msg_control = alloca(msg.msg_controllen);
2163 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 2164
cbb21eed 2165 count = tswapal(msgp->msg_iovlen);
cbb21eed 2166 target_vec = tswapal(msgp->msg_iov);
f287b2c2
RH		 2167 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
2168 target_vec, count, send);
2169 if (vec == NULL) {
2170 ret = -host_to_target_errno(errno);
2171 goto out2;
2172 }
3532fa74
FB		 2173 msg.msg_iovlen = count;
2174 msg.msg_iov = vec;
3b46e624 2175
3532fa74 2176 if (send) {
5a4a898d
FB		 2177 ret = target_to_host_cmsg(&msg, msgp);
2178 if (ret == 0)
2179 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 2180 } else {
2181 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 2182 if (!is_error(ret)) {
2183 len = ret;
5a4a898d 2184 ret = host_to_target_cmsg(msgp, &msg);
ca619067
JH		 2185 if (!is_error(ret)) {
2186 msgp->msg_namelen = tswap32(msg.msg_namelen);
2187 if (msg.msg_name != NULL) {
2188 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
2189 msg.msg_name, msg.msg_namelen);
2190 if (ret) {
2191 goto out;
2192 }
2193 }
2194
6de645c7 2195 ret = len;
ca619067 2196 }
6de645c7 2197 }
3532fa74 2198 }
ca619067
JH		 2199
2200out:
3532fa74 2201 unlock_iovec(vec, target_vec, count, !send);
f287b2c2 2202out2:
f19e00d7
AG		 2203 return ret;
2204}
2205
2206static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
2207 int flags, int send)
2208{
2209 abi_long ret;
2210 struct target_msghdr *msgp;
2211
2212 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
2213 msgp,
2214 target_msg,
2215 send ? 1 : 0)) {
2216 return -TARGET_EFAULT;
2217 }
2218 ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
579a97f7 2219 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 2220 return ret;
2221}
2222
f19e00d7
AG		 2223#ifdef TARGET_NR_sendmmsg
2224/* We don't rely on the C library to have sendmmsg/recvmmsg support,
2225 * so it might not have this *mmsg-specific flag either.
2226 */
2227#ifndef MSG_WAITFORONE
2228#define MSG_WAITFORONE 0x10000
2229#endif
2230
2231static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
2232 unsigned int vlen, unsigned int flags,
2233 int send)
2234{
2235 struct target_mmsghdr *mmsgp;
2236 abi_long ret = 0;
2237 int i;
2238
2239 if (vlen > UIO_MAXIOV) {
2240 vlen = UIO_MAXIOV;
2241 }
2242
2243 mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1);
2244 if (!mmsgp) {
2245 return -TARGET_EFAULT;
2246 }
2247
2248 for (i = 0; i < vlen; i++) {
2249 ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send);
2250 if (is_error(ret)) {
2251 break;
2252 }
2253 mmsgp[i].msg_len = tswap32(ret);
2254 /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
2255 if (flags & MSG_WAITFORONE) {
2256 flags |= MSG_DONTWAIT;
2257 }
2258 }
2259
2260 unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
2261
2262 /* Return number of datagrams sent if we sent any at all;
2263 * otherwise return the error.
2264 */
2265 if (i) {
2266 return i;
2267 }
2268 return ret;
2269}
2270#endif
2271
a94b4987
PM		 2272/* If we don't have a system accept4() then just call accept.
2273 * The callsites to do_accept4() will ensure that they don't
2274 * pass a non-zero flags argument in this config.
2275 */
2276#ifndef CONFIG_ACCEPT4
2277static inline int accept4(int sockfd, struct sockaddr *addr,
2278 socklen_t *addrlen, int flags)
2279{
2280 assert(flags == 0);
2281 return accept(sockfd, addr, addrlen);
2282}
2283#endif
2284
2285/* do_accept4() Must return target values and target errnos. */
2286static abi_long do_accept4(int fd, abi_ulong target_addr,
2287 abi_ulong target_addrlen_addr, int flags)
1be9e1dc 2288{
2f619698
FB		 2289 socklen_t addrlen;
2290 void *addr;
992f48a0 2291 abi_long ret;
d25295d4
PJ		 2292 int host_flags;
2293
2294 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
1be9e1dc 2295
a94b4987 2296 if (target_addr == 0) {
d25295d4 2297 return get_errno(accept4(fd, NULL, NULL, host_flags));
a94b4987 2298 }
917507b0
AP		 2299
2300 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 2301 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 2302 return -TARGET_EINVAL;
2f619698 2303
38724253 2304 if ((int)addrlen < 0) {
8f7aeaf6 2305 return -TARGET_EINVAL;
38724253 2306 }
8f7aeaf6 2307
917507b0
AP		 2308 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2309 return -TARGET_EINVAL;
2310
2f619698
FB		 2311 addr = alloca(addrlen);
2312
d25295d4 2313 ret = get_errno(accept4(fd, addr, &addrlen, host_flags));
1be9e1dc
PB		 2314 if (!is_error(ret)) {
2315 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2316 if (put_user_u32(addrlen, target_addrlen_addr))
2317 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2318 }
2319 return ret;
2320}
2321
0da46a6e 2322/* do_getpeername() Must return target values and target errnos. */
992f48a0 2323static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 2324 abi_ulong target_addrlen_addr)
1be9e1dc 2325{
2f619698
FB		 2326 socklen_t addrlen;
2327 void *addr;
992f48a0 2328 abi_long ret;
1be9e1dc 2329
2f619698
FB		 2330 if (get_user_u32(addrlen, target_addrlen_addr))
2331 return -TARGET_EFAULT;
2332
38724253 2333 if ((int)addrlen < 0) {
8f7aeaf6 2334 return -TARGET_EINVAL;
38724253 2335 }
8f7aeaf6 2336
917507b0
AP		 2337 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2338 return -TARGET_EFAULT;
2339
2f619698
FB		 2340 addr = alloca(addrlen);
2341
1be9e1dc
PB		 2342 ret = get_errno(getpeername(fd, addr, &addrlen));
2343 if (!is_error(ret)) {
2344 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2345 if (put_user_u32(addrlen, target_addrlen_addr))
2346 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2347 }
2348 return ret;
2349}
2350
0da46a6e 2351/* do_getsockname() Must return target values and target errnos. */
992f48a0 2352static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 2353 abi_ulong target_addrlen_addr)
1be9e1dc 2354{
2f619698
FB		 2355 socklen_t addrlen;
2356 void *addr;
992f48a0 2357 abi_long ret;
1be9e1dc 2358
2f619698
FB		 2359 if (get_user_u32(addrlen, target_addrlen_addr))
2360 return -TARGET_EFAULT;
2361
38724253 2362 if ((int)addrlen < 0) {
8f7aeaf6 2363 return -TARGET_EINVAL;
38724253 2364 }
8f7aeaf6 2365
917507b0
AP		 2366 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2367 return -TARGET_EFAULT;
2368
2f619698
FB		 2369 addr = alloca(addrlen);
2370
1be9e1dc
PB		 2371 ret = get_errno(getsockname(fd, addr, &addrlen));
2372 if (!is_error(ret)) {
2373 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2374 if (put_user_u32(addrlen, target_addrlen_addr))
2375 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2376 }
2377 return ret;
2378}
2379
0da46a6e 2380/* do_socketpair() Must return target values and target errnos. */
992f48a0 2381static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 2382 abi_ulong target_tab_addr)
1be9e1dc
PB		 2383{
2384 int tab[2];
992f48a0 2385 abi_long ret;
1be9e1dc 2386
f651e6ae
PJ		 2387 target_to_host_sock_type(&type);
2388
1be9e1dc
PB		 2389 ret = get_errno(socketpair(domain, type, protocol, tab));
2390 if (!is_error(ret)) {
2f619698
FB		 2391 if (put_user_s32(tab[0], target_tab_addr)
2392 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
2393 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2394 }
2395 return ret;
2396}
2397
0da46a6e 2398/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 2399static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
2400 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 2401{
2402 void *addr;
2403 void *host_msg;
992f48a0 2404 abi_long ret;
1be9e1dc 2405
38724253 2406 if ((int)addrlen < 0) {
8f7aeaf6 2407 return -TARGET_EINVAL;
38724253 2408 }
8f7aeaf6 2409
579a97f7
FB		 2410 host_msg = lock_user(VERIFY_READ, msg, len, 1);
2411 if (!host_msg)
2412 return -TARGET_EFAULT;
1be9e1dc 2413 if (target_addr) {
2dd08dfd 2414 addr = alloca(addrlen+1);
917507b0
AP		 2415 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2416 if (ret) {
2417 unlock_user(host_msg, msg, 0);
2418 return ret;
2419 }
1be9e1dc
PB		 2420 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
2421 } else {
2422 ret = get_errno(send(fd, host_msg, len, flags));
2423 }
2424 unlock_user(host_msg, msg, 0);
2425 return ret;
2426}
2427
0da46a6e 2428/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 2429static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
2430 abi_ulong target_addr,
2431 abi_ulong target_addrlen)
1be9e1dc
PB		 2432{
2433 socklen_t addrlen;
2434 void *addr;
2435 void *host_msg;
992f48a0 2436 abi_long ret;
1be9e1dc 2437
579a97f7
FB		 2438 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
2439 if (!host_msg)
2440 return -TARGET_EFAULT;
1be9e1dc 2441 if (target_addr) {
2f619698
FB		 2442 if (get_user_u32(addrlen, target_addrlen)) {
2443 ret = -TARGET_EFAULT;
2444 goto fail;
2445 }
38724253 2446 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 2447 ret = -TARGET_EINVAL;
2448 goto fail;
2449 }
1be9e1dc
PB		 2450 addr = alloca(addrlen);
2451 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
2452 } else {
2453 addr = NULL; /* To keep compiler quiet. */
00aa0040 2454 ret = get_errno(qemu_recv(fd, host_msg, len, flags));
1be9e1dc
PB		 2455 }
2456 if (!is_error(ret)) {
2457 if (target_addr) {
2458 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2459 if (put_user_u32(addrlen, target_addrlen)) {
2460 ret = -TARGET_EFAULT;
2461 goto fail;
2462 }
1be9e1dc
PB		 2463 }
2464 unlock_user(host_msg, msg, len);
2465 } else {
2f619698 2466fail:
1be9e1dc
PB		 2467 unlock_user(host_msg, msg, 0);
2468 }
2469 return ret;
2470}
2471
32407103 2472#ifdef TARGET_NR_socketcall
0da46a6e 2473/* do_socketcall() Must return target values and target errnos. */
992f48a0 2474static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 2475{
62dc90c6
MT		 2476 static const unsigned ac[] = { /* number of arguments per call */
2477 [SOCKOP_socket] = 3, /* domain, type, protocol */
2478 [SOCKOP_bind] = 3, /* sockfd, addr, addrlen */
2479 [SOCKOP_connect] = 3, /* sockfd, addr, addrlen */
2480 [SOCKOP_listen] = 2, /* sockfd, backlog */
2481 [SOCKOP_accept] = 3, /* sockfd, addr, addrlen */
2482 [SOCKOP_accept4] = 4, /* sockfd, addr, addrlen, flags */
2483 [SOCKOP_getsockname] = 3, /* sockfd, addr, addrlen */
2484 [SOCKOP_getpeername] = 3, /* sockfd, addr, addrlen */
2485 [SOCKOP_socketpair] = 4, /* domain, type, protocol, tab */
2486 [SOCKOP_send] = 4, /* sockfd, msg, len, flags */
2487 [SOCKOP_recv] = 4, /* sockfd, msg, len, flags */
2488 [SOCKOP_sendto] = 6, /* sockfd, msg, len, flags, addr, addrlen */
2489 [SOCKOP_recvfrom] = 6, /* sockfd, msg, len, flags, addr, addrlen */
2490 [SOCKOP_shutdown] = 2, /* sockfd, how */
2491 [SOCKOP_sendmsg] = 3, /* sockfd, msg, flags */
2492 [SOCKOP_recvmsg] = 3, /* sockfd, msg, flags */
2493 [SOCKOP_setsockopt] = 5, /* sockfd, level, optname, optval, optlen */
2494 [SOCKOP_getsockopt] = 5, /* sockfd, level, optname, optval, optlen */
2495 };
2496 abi_long a[6]; /* max 6 args */
2497
2498 /* first, collect the arguments in a[] according to ac[] */
2499 if (num >= 0 && num < ARRAY_SIZE(ac)) {
2500 unsigned i;
2501 assert(ARRAY_SIZE(a) >= ac[num]); /* ensure we have space for args */
2502 for (i = 0; i < ac[num]; ++i) {
2503 if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
b9d36eb2
AH		 2504 return -TARGET_EFAULT;
2505 }
31e31b8a 2506 }
62dc90c6 2507 }
7854b056 2508
62dc90c6
MT		 2509 /* now when we have the args, actually handle the call */
2510 switch (num) {
2511 case SOCKOP_socket: /* domain, type, protocol */
2512 return do_socket(a[0], a[1], a[2]);
2513 case SOCKOP_bind: /* sockfd, addr, addrlen */
2514 return do_bind(a[0], a[1], a[2]);
2515 case SOCKOP_connect: /* sockfd, addr, addrlen */
2516 return do_connect(a[0], a[1], a[2]);
2517 case SOCKOP_listen: /* sockfd, backlog */
2518 return get_errno(listen(a[0], a[1]));
2519 case SOCKOP_accept: /* sockfd, addr, addrlen */
2520 return do_accept4(a[0], a[1], a[2], 0);
2521 case SOCKOP_accept4: /* sockfd, addr, addrlen, flags */
2522 return do_accept4(a[0], a[1], a[2], a[3]);
2523 case SOCKOP_getsockname: /* sockfd, addr, addrlen */
2524 return do_getsockname(a[0], a[1], a[2]);
2525 case SOCKOP_getpeername: /* sockfd, addr, addrlen */
2526 return do_getpeername(a[0], a[1], a[2]);
2527 case SOCKOP_socketpair: /* domain, type, protocol, tab */
2528 return do_socketpair(a[0], a[1], a[2], a[3]);
2529 case SOCKOP_send: /* sockfd, msg, len, flags */
2530 return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
2531 case SOCKOP_recv: /* sockfd, msg, len, flags */
2532 return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
2533 case SOCKOP_sendto: /* sockfd, msg, len, flags, addr, addrlen */
2534 return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
2535 case SOCKOP_recvfrom: /* sockfd, msg, len, flags, addr, addrlen */
2536 return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
2537 case SOCKOP_shutdown: /* sockfd, how */
2538 return get_errno(shutdown(a[0], a[1]));
2539 case SOCKOP_sendmsg: /* sockfd, msg, flags */
2540 return do_sendrecvmsg(a[0], a[1], a[2], 1);
2541 case SOCKOP_recvmsg: /* sockfd, msg, flags */
2542 return do_sendrecvmsg(a[0], a[1], a[2], 0);
2543 case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */
2544 return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
2545 case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */
2546 return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
31e31b8a
FB		 2547 default:
2548 gemu_log("Unsupported socketcall: %d\n", num);
62dc90c6 2549 return -TARGET_ENOSYS;
31e31b8a 2550 }
31e31b8a 2551}
32407103 2552#endif
31e31b8a 2553
8853f86e
FB		 2554#define N_SHM_REGIONS 32
2555
2556static struct shm_region {
5a4a898d
FB		 2557 abi_ulong start;
2558 abi_ulong size;
8853f86e
FB		 2559} shm_regions[N_SHM_REGIONS];
2560
3eb6b044
TS		 2561struct target_semid_ds
2562{
2563 struct target_ipc_perm sem_perm;
992f48a0 2564 abi_ulong sem_otime;
03527344 2565#if !defined(TARGET_PPC64)
992f48a0 2566 abi_ulong __unused1;
03527344 2567#endif
992f48a0 2568 abi_ulong sem_ctime;
03527344 2569#if !defined(TARGET_PPC64)
992f48a0 2570 abi_ulong __unused2;
03527344 2571#endif
992f48a0
BS		 2572 abi_ulong sem_nsems;
2573 abi_ulong __unused3;
2574 abi_ulong __unused4;
3eb6b044
TS		 2575};
2576
579a97f7
FB		 2577static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2578 abi_ulong target_addr)
3eb6b044
TS		 2579{
2580 struct target_ipc_perm *target_ip;
2581 struct target_semid_ds *target_sd;
2582
579a97f7
FB		 2583 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2584 return -TARGET_EFAULT;
e8bbe36c 2585 target_ip = &(target_sd->sem_perm);
55a2b163
PJ		 2586 host_ip->__key = tswap32(target_ip->__key);
2587 host_ip->uid = tswap32(target_ip->uid);
2588 host_ip->gid = tswap32(target_ip->gid);
2589 host_ip->cuid = tswap32(target_ip->cuid);
2590 host_ip->cgid = tswap32(target_ip->cgid);
2591#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
2592 host_ip->mode = tswap32(target_ip->mode);
2593#else
cbb21eed 2594 host_ip->mode = tswap16(target_ip->mode);
55a2b163
PJ		 2595#endif
2596#if defined(TARGET_PPC)
2597 host_ip->__seq = tswap32(target_ip->__seq);
2598#else
2599 host_ip->__seq = tswap16(target_ip->__seq);
2600#endif
3eb6b044 2601 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2602 return 0;
3eb6b044
TS		 2603}
2604
579a97f7
FB		 2605static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2606 struct ipc_perm *host_ip)
3eb6b044
TS		 2607{
2608 struct target_ipc_perm *target_ip;
2609 struct target_semid_ds *target_sd;
2610
579a97f7
FB		 2611 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2612 return -TARGET_EFAULT;
3eb6b044 2613 target_ip = &(target_sd->sem_perm);
55a2b163
PJ		 2614 target_ip->__key = tswap32(host_ip->__key);
2615 target_ip->uid = tswap32(host_ip->uid);
2616 target_ip->gid = tswap32(host_ip->gid);
2617 target_ip->cuid = tswap32(host_ip->cuid);
2618 target_ip->cgid = tswap32(host_ip->cgid);
2619#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
2620 target_ip->mode = tswap32(host_ip->mode);
2621#else
cbb21eed 2622 target_ip->mode = tswap16(host_ip->mode);
55a2b163
PJ		 2623#endif
2624#if defined(TARGET_PPC)
2625 target_ip->__seq = tswap32(host_ip->__seq);
2626#else
2627 target_ip->__seq = tswap16(host_ip->__seq);
2628#endif
3eb6b044 2629 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2630 return 0;
3eb6b044
TS		 2631}
2632
579a97f7
FB		 2633static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2634 abi_ulong target_addr)
3eb6b044
TS		 2635{
2636 struct target_semid_ds *target_sd;
2637
579a97f7
FB		 2638 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2639 return -TARGET_EFAULT;
e5289087
AJ		 2640 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2641 return -TARGET_EFAULT;
cbb21eed
MB		 2642 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
2643 host_sd->sem_otime = tswapal(target_sd->sem_otime);
2644 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3eb6b044 2645 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2646 return 0;
3eb6b044
TS		 2647}
2648
579a97f7
FB		 2649static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2650 struct semid_ds *host_sd)
3eb6b044
TS		 2651{
2652 struct target_semid_ds *target_sd;
2653
579a97f7
FB		 2654 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2655 return -TARGET_EFAULT;
e5289087 2656 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3a93113a 2657 return -TARGET_EFAULT;
cbb21eed
MB		 2658 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
2659 target_sd->sem_otime = tswapal(host_sd->sem_otime);
2660 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3eb6b044 2661 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2662 return 0;
3eb6b044
TS		 2663}
2664
e5289087
AJ		 2665struct target_seminfo {
2666 int semmap;
2667 int semmni;
2668 int semmns;
2669 int semmnu;
2670 int semmsl;
2671 int semopm;
2672 int semume;
2673 int semusz;
2674 int semvmx;
2675 int semaem;
2676};
2677
2678static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2679 struct seminfo *host_seminfo)
2680{
2681 struct target_seminfo *target_seminfo;
2682 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2683 return -TARGET_EFAULT;
2684 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2685 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2686 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2687 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2688 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2689 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2690 __put_user(host_seminfo->semume, &target_seminfo->semume);
2691 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2692 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2693 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2694 unlock_user_struct(target_seminfo, target_addr, 1);
2695 return 0;
2696}
2697
fa294816
TS		 2698union semun {
2699 int val;
3eb6b044 2700 struct semid_ds *buf;
fa294816 2701 unsigned short *array;
e5289087 2702 struct seminfo *__buf;
fa294816
TS		 2703};
2704
3eb6b044
TS		 2705union target_semun {
2706 int val;
e5289087
AJ		 2707 abi_ulong buf;
2708 abi_ulong array;
2709 abi_ulong __buf;
3eb6b044
TS		 2710};
2711
e5289087
AJ		 2712static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2713 abi_ulong target_addr)
3eb6b044 2714{
e5289087
AJ		 2715 int nsems;
2716 unsigned short *array;
2717 union semun semun;
2718 struct semid_ds semid_ds;
2719 int i, ret;
3eb6b044 2720
e5289087
AJ		 2721 semun.buf = &semid_ds;
2722
2723 ret = semctl(semid, 0, IPC_STAT, semun);
2724 if (ret == -1)
2725 return get_errno(ret);
2726
2727 nsems = semid_ds.sem_nsems;
2728
2729 *host_array = malloc(nsems*sizeof(unsigned short));
69d4c703
PM		 2730 if (!*host_array) {
2731 return -TARGET_ENOMEM;
2732 }
e5289087
AJ		 2733 array = lock_user(VERIFY_READ, target_addr,
2734 nsems*sizeof(unsigned short), 1);
69d4c703
PM		 2735 if (!array) {
2736 free(*host_array);
e5289087 2737 return -TARGET_EFAULT;
69d4c703 2738 }
e5289087
AJ		 2739
2740 for(i=0; i<nsems; i++) {
2741 __get_user((*host_array)[i], &array[i]);
3eb6b044 2742 }
e5289087
AJ		 2743 unlock_user(array, target_addr, 0);
2744
579a97f7 2745 return 0;
3eb6b044
TS		 2746}
2747
e5289087
AJ		 2748static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2749 unsigned short **host_array)
3eb6b044 2750{
e5289087
AJ		 2751 int nsems;
2752 unsigned short *array;
2753 union semun semun;
2754 struct semid_ds semid_ds;
2755 int i, ret;
3eb6b044 2756
e5289087
AJ		 2757 semun.buf = &semid_ds;
2758
2759 ret = semctl(semid, 0, IPC_STAT, semun);
2760 if (ret == -1)
2761 return get_errno(ret);
2762
2763 nsems = semid_ds.sem_nsems;
2764
2765 array = lock_user(VERIFY_WRITE, target_addr,
2766 nsems*sizeof(unsigned short), 0);
2767 if (!array)
2768 return -TARGET_EFAULT;
2769
2770 for(i=0; i<nsems; i++) {
2771 __put_user((*host_array)[i], &array[i]);
3eb6b044 2772 }
e5289087
AJ		 2773 free(*host_array);
2774 unlock_user(array, target_addr, 1);
2775
579a97f7 2776 return 0;
3eb6b044
TS		 2777}
2778
e5289087 2779static inline abi_long do_semctl(int semid, int semnum, int cmd,
d1c002b6 2780 abi_ulong target_arg)
3eb6b044 2781{
d1c002b6 2782 union target_semun target_su = { .buf = target_arg };
3eb6b044
TS		 2783 union semun arg;
2784 struct semid_ds dsarg;
7b8118e8 2785 unsigned short *array = NULL;
e5289087
AJ		 2786 struct seminfo seminfo;
2787 abi_long ret = -TARGET_EINVAL;
2788 abi_long err;
2789 cmd &= 0xff;
3eb6b044
TS		 2790
2791 switch( cmd ) {
2792 case GETVAL:
3eb6b044 2793 case SETVAL:
5464baec
TM		 2794 /* In 64 bit cross-endian situations, we will erroneously pick up
2795 * the wrong half of the union for the "val" element. To rectify
2796 * this, the entire 8-byte structure is byteswapped, followed by
2797 * a swap of the 4 byte val field. In other cases, the data is
2798 * already in proper host byte order. */
2799 if (sizeof(target_su.val) != (sizeof(target_su.buf))) {
2800 target_su.buf = tswapal(target_su.buf);
2801 arg.val = tswap32(target_su.val);
2802 } else {
2803 arg.val = target_su.val;
2804 }
e5289087 2805 ret = get_errno(semctl(semid, semnum, cmd, arg));
3eb6b044
TS		 2806 break;
2807 case GETALL:
3eb6b044 2808 case SETALL:
e5289087
AJ		 2809 err = target_to_host_semarray(semid, &array, target_su.array);
2810 if (err)
2811 return err;
2812 arg.array = array;
2813 ret = get_errno(semctl(semid, semnum, cmd, arg));
2814 err = host_to_target_semarray(semid, target_su.array, &array);
2815 if (err)
2816 return err;
3eb6b044
TS		 2817 break;
2818 case IPC_STAT:
3eb6b044 2819 case IPC_SET:
e5289087
AJ		 2820 case SEM_STAT:
2821 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2822 if (err)
2823 return err;
2824 arg.buf = &dsarg;
2825 ret = get_errno(semctl(semid, semnum, cmd, arg));
2826 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2827 if (err)
2828 return err;
2829 break;
2830 case IPC_INFO:
2831 case SEM_INFO:
2832 arg.__buf = &seminfo;
2833 ret = get_errno(semctl(semid, semnum, cmd, arg));
2834 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2835 if (err)
2836 return err;
2837 break;
2838 case IPC_RMID:
2839 case GETPID:
2840 case GETNCNT:
2841 case GETZCNT:
2842 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2843 break;
3eb6b044
TS		 2844 }
2845
2846 return ret;
2847}
2848
e5289087
AJ		 2849struct target_sembuf {
2850 unsigned short sem_num;
2851 short sem_op;
2852 short sem_flg;
2853};
2854
2855static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2856 abi_ulong target_addr,
2857 unsigned nsops)
2858{
2859 struct target_sembuf *target_sembuf;
2860 int i;
2861
2862 target_sembuf = lock_user(VERIFY_READ, target_addr,
2863 nsops*sizeof(struct target_sembuf), 1);
2864 if (!target_sembuf)
2865 return -TARGET_EFAULT;
2866
2867 for(i=0; i<nsops; i++) {
2868 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2869 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2870 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2871 }
2872
2873 unlock_user(target_sembuf, target_addr, 0);
2874
2875 return 0;
2876}
2877
2878static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2879{
2880 struct sembuf sops[nsops];
2881
2882 if (target_to_host_sembuf(sops, ptr, nsops))
2883 return -TARGET_EFAULT;
2884
c7128c9f 2885 return get_errno(semop(semid, sops, nsops));
e5289087
AJ		 2886}
2887
1bc012f6
TS		 2888struct target_msqid_ds
2889{
1c54ff97
AJ		 2890 struct target_ipc_perm msg_perm;
2891 abi_ulong msg_stime;
2892#if TARGET_ABI_BITS == 32
2893 abi_ulong __unused1;
2894#endif
2895 abi_ulong msg_rtime;
2896#if TARGET_ABI_BITS == 32
2897 abi_ulong __unused2;
2898#endif
2899 abi_ulong msg_ctime;
2900#if TARGET_ABI_BITS == 32
2901 abi_ulong __unused3;
2902#endif
2903 abi_ulong __msg_cbytes;
2904 abi_ulong msg_qnum;
2905 abi_ulong msg_qbytes;
2906 abi_ulong msg_lspid;
2907 abi_ulong msg_lrpid;
2908 abi_ulong __unused4;
2909 abi_ulong __unused5;
1bc012f6
TS		 2910};
2911
579a97f7
FB		 2912static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2913 abi_ulong target_addr)
1bc012f6
TS		 2914{
2915 struct target_msqid_ds *target_md;
2916
579a97f7
FB		 2917 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2918 return -TARGET_EFAULT;
1c54ff97
AJ		 2919 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2920 return -TARGET_EFAULT;
cbb21eed
MB		 2921 host_md->msg_stime = tswapal(target_md->msg_stime);
2922 host_md->msg_rtime = tswapal(target_md->msg_rtime);
2923 host_md->msg_ctime = tswapal(target_md->msg_ctime);
2924 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
2925 host_md->msg_qnum = tswapal(target_md->msg_qnum);
2926 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
2927 host_md->msg_lspid = tswapal(target_md->msg_lspid);
2928 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
1bc012f6 2929 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2930 return 0;
1bc012f6
TS		 2931}
2932
579a97f7
FB		 2933static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2934 struct msqid_ds *host_md)
1bc012f6
TS		 2935{
2936 struct target_msqid_ds *target_md;
2937
579a97f7
FB		 2938 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2939 return -TARGET_EFAULT;
1c54ff97
AJ		 2940 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2941 return -TARGET_EFAULT;
cbb21eed
MB		 2942 target_md->msg_stime = tswapal(host_md->msg_stime);
2943 target_md->msg_rtime = tswapal(host_md->msg_rtime);
2944 target_md->msg_ctime = tswapal(host_md->msg_ctime);
2945 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
2946 target_md->msg_qnum = tswapal(host_md->msg_qnum);
2947 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
2948 target_md->msg_lspid = tswapal(host_md->msg_lspid);
2949 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
1bc012f6 2950 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2951 return 0;
1bc012f6
TS		 2952}
2953
1c54ff97
AJ		 2954struct target_msginfo {
2955 int msgpool;
2956 int msgmap;
2957 int msgmax;
2958 int msgmnb;
2959 int msgmni;
2960 int msgssz;
2961 int msgtql;
2962 unsigned short int msgseg;
2963};
2964
2965static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2966 struct msginfo *host_msginfo)
2967{
2968 struct target_msginfo *target_msginfo;
2969 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2970 return -TARGET_EFAULT;
2971 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2972 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2973 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2974 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2975 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2976 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2977 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2978 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2979 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2980 return 0;
1c54ff97
AJ		 2981}
2982
2983static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2984{
2985 struct msqid_ds dsarg;
1c54ff97
AJ		 2986 struct msginfo msginfo;
2987 abi_long ret = -TARGET_EINVAL;
2988
2989 cmd &= 0xff;
2990
2991 switch (cmd) {
1bc012f6
TS		 2992 case IPC_STAT:
2993 case IPC_SET:
1c54ff97
AJ		 2994 case MSG_STAT:
2995 if (target_to_host_msqid_ds(&dsarg,ptr))
2996 return -TARGET_EFAULT;
2997 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2998 if (host_to_target_msqid_ds(ptr,&dsarg))
2999 return -TARGET_EFAULT;
3000 break;
3001 case IPC_RMID:
3002 ret = get_errno(msgctl(msgid, cmd, NULL));
3003 break;
3004 case IPC_INFO:
3005 case MSG_INFO:
3006 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
3007 if (host_to_target_msginfo(ptr, &msginfo))
3008 return -TARGET_EFAULT;
3009 break;
1bc012f6 3010 }
1c54ff97 3011
1bc012f6
TS		 3012 return ret;
3013}
3014
3015struct target_msgbuf {
1c54ff97
AJ		 3016 abi_long mtype;
3017 char mtext[1];
1bc012f6
TS		 3018};
3019
992f48a0 3020static inline abi_long do_msgsnd(int msqid, abi_long msgp,
edcc5f9d 3021 ssize_t msgsz, int msgflg)
1bc012f6
TS		 3022{
3023 struct target_msgbuf *target_mb;
3024 struct msgbuf *host_mb;
992f48a0 3025 abi_long ret = 0;
1bc012f6 3026
edcc5f9d
TM		 3027 if (msgsz < 0) {
3028 return -TARGET_EINVAL;
3029 }
3030
579a97f7
FB		 3031 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
3032 return -TARGET_EFAULT;
1bc012f6 3033 host_mb = malloc(msgsz+sizeof(long));
29e03fcb
HZ		 3034 if (!host_mb) {
3035 unlock_user_struct(target_mb, msgp, 0);
3036 return -TARGET_ENOMEM;
3037 }
cbb21eed 3038 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
1c54ff97 3039 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 3040 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
3041 free(host_mb);
3042 unlock_user_struct(target_mb, msgp, 0);
3043
3044 return ret;
3045}
3046
992f48a0 3047static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 3048 unsigned int msgsz, abi_long msgtyp,
992f48a0 3049 int msgflg)
1bc012f6
TS		 3050{
3051 struct target_msgbuf *target_mb;
579a97f7 3052 char *target_mtext;
1bc012f6 3053 struct msgbuf *host_mb;
992f48a0 3054 abi_long ret = 0;
1bc012f6 3055
579a97f7
FB		 3056 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
3057 return -TARGET_EFAULT;
1c54ff97 3058
0d07fe47 3059 host_mb = g_malloc(msgsz+sizeof(long));
79dd77de 3060 ret = get_errno(msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
1c54ff97 3061
579a97f7
FB		 3062 if (ret > 0) {
3063 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
3064 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
3065 if (!target_mtext) {
3066 ret = -TARGET_EFAULT;
3067 goto end;
3068 }
1c54ff97 3069 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 3070 unlock_user(target_mtext, target_mtext_addr, ret);
3071 }
1c54ff97 3072
cbb21eed 3073 target_mb->mtype = tswapal(host_mb->mtype);
1bc012f6 3074
579a97f7
FB		 3075end:
3076 if (target_mb)
3077 unlock_user_struct(target_mb, msgp, 1);
0d07fe47 3078 g_free(host_mb);
1bc012f6
TS		 3079 return ret;
3080}
3081
88a8c984
RV		 3082static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
3083 abi_ulong target_addr)
3084{
3085 struct target_shmid_ds *target_sd;
3086
3087 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
3088 return -TARGET_EFAULT;
3089 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
3090 return -TARGET_EFAULT;
3091 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
3092 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
3093 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
3094 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
3095 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
3096 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
3097 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
3098 unlock_user_struct(target_sd, target_addr, 0);
3099 return 0;
3100}
3101
3102static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
3103 struct shmid_ds *host_sd)
3104{
3105 struct target_shmid_ds *target_sd;
3106
3107 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
3108 return -TARGET_EFAULT;
3109 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
3110 return -TARGET_EFAULT;
3111 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
3112 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
3113 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
3114 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
3115 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
3116 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
3117 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
3118 unlock_user_struct(target_sd, target_addr, 1);
3119 return 0;
3120}
3121
3122struct target_shminfo {
3123 abi_ulong shmmax;
3124 abi_ulong shmmin;
3125 abi_ulong shmmni;
3126 abi_ulong shmseg;
3127 abi_ulong shmall;
3128};
3129
3130static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
3131 struct shminfo *host_shminfo)
3132{
3133 struct target_shminfo *target_shminfo;
3134 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
3135 return -TARGET_EFAULT;
3136 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
3137 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
3138 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
3139 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
3140 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
3141 unlock_user_struct(target_shminfo, target_addr, 1);
3142 return 0;
3143}
3144
3145struct target_shm_info {
3146 int used_ids;
3147 abi_ulong shm_tot;
3148 abi_ulong shm_rss;
3149 abi_ulong shm_swp;
3150 abi_ulong swap_attempts;
3151 abi_ulong swap_successes;
3152};
3153
3154static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
3155 struct shm_info *host_shm_info)
3156{
3157 struct target_shm_info *target_shm_info;
3158 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
3159 return -TARGET_EFAULT;
3160 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
3161 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
3162 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
3163 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
3164 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
3165 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
3166 unlock_user_struct(target_shm_info, target_addr, 1);
3167 return 0;
3168}
3169
3170static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
3171{
3172 struct shmid_ds dsarg;
3173 struct shminfo shminfo;
3174 struct shm_info shm_info;
3175 abi_long ret = -TARGET_EINVAL;
3176
3177 cmd &= 0xff;
3178
3179 switch(cmd) {
3180 case IPC_STAT:
3181 case IPC_SET:
3182 case SHM_STAT:
3183 if (target_to_host_shmid_ds(&dsarg, buf))
3184 return -TARGET_EFAULT;
3185 ret = get_errno(shmctl(shmid, cmd, &dsarg));
3186 if (host_to_target_shmid_ds(buf, &dsarg))
3187 return -TARGET_EFAULT;
3188 break;
3189 case IPC_INFO:
3190 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
3191 if (host_to_target_shminfo(buf, &shminfo))
3192 return -TARGET_EFAULT;
3193 break;
3194 case SHM_INFO:
3195 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
3196 if (host_to_target_shm_info(buf, &shm_info))
3197 return -TARGET_EFAULT;
3198 break;
3199 case IPC_RMID:
3200 case SHM_LOCK:
3201 case SHM_UNLOCK:
3202 ret = get_errno(shmctl(shmid, cmd, NULL));
3203 break;
3204 }
3205
3206 return ret;
3207}
3208
3209static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
3210{
3211 abi_long raddr;
3212 void *host_raddr;
3213 struct shmid_ds shm_info;
3214 int i,ret;
3215
3216 /* find out the length of the shared memory segment */
3217 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
3218 if (is_error(ret)) {
3219 /* can't get length, bail out */
3220 return ret;
3221 }
3222
3223 mmap_lock();
3224
3225 if (shmaddr)
3226 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
3227 else {
3228 abi_ulong mmap_start;
3229
3230 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
3231
3232 if (mmap_start == -1) {
3233 errno = ENOMEM;
3234 host_raddr = (void *)-1;
3235 } else
3236 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
3237 }
3238
3239 if (host_raddr == (void *)-1) {
3240 mmap_unlock();
3241 return get_errno((long)host_raddr);
3242 }
3243 raddr=h2g((unsigned long)host_raddr);
3244
3245 page_set_flags(raddr, raddr + shm_info.shm_segsz,
3246 PAGE_VALID | PAGE_READ |
3247 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
3248
3249 for (i = 0; i < N_SHM_REGIONS; i++) {
3250 if (shm_regions[i].start == 0) {
3251 shm_regions[i].start = raddr;
3252 shm_regions[i].size = shm_info.shm_segsz;
3253 break;
3254 }
3255 }
3256
3257 mmap_unlock();
3258 return raddr;
3259
3260}
3261
3262static inline abi_long do_shmdt(abi_ulong shmaddr)
3263{
3264 int i;
3265
3266 for (i = 0; i < N_SHM_REGIONS; ++i) {
3267 if (shm_regions[i].start == shmaddr) {
3268 shm_regions[i].start = 0;
e00ac249 3269 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 3270 break;
3271 }
3272 }
3273
3274 return get_errno(shmdt(g2h(shmaddr)));
3275}
3276
1c54ff97 3277#ifdef TARGET_NR_ipc
53a5960a 3278/* ??? This only works with linear mappings. */
0da46a6e 3279/* do_ipc() must return target values and target errnos. */
37ed0956
TM		 3280static abi_long do_ipc(unsigned int call, abi_long first,
3281 abi_long second, abi_long third,
992f48a0 3282 abi_long ptr, abi_long fifth)
8853f86e
FB		 3283{
3284 int version;
992f48a0 3285 abi_long ret = 0;
8853f86e
FB		 3286
3287 version = call >> 16;
3288 call &= 0xffff;
3289
3290 switch (call) {
fa294816 3291 case IPCOP_semop:
e5289087 3292 ret = do_semop(first, ptr, second);
fa294816
TS		 3293 break;
3294
3295 case IPCOP_semget:
3296 ret = get_errno(semget(first, second, third));
3297 break;
3298
5d2fa8eb
TM		 3299 case IPCOP_semctl: {
3300 /* The semun argument to semctl is passed by value, so dereference the
3301 * ptr argument. */
3302 abi_ulong atptr;
37ed0956 3303 get_user_ual(atptr, ptr);
d1c002b6 3304 ret = do_semctl(first, second, third, atptr);
fa294816 3305 break;
5d2fa8eb 3306 }
d96372ef 3307
1c54ff97
AJ		 3308 case IPCOP_msgget:
3309 ret = get_errno(msgget(first, second));
3310 break;
d96372ef 3311
1c54ff97
AJ		 3312 case IPCOP_msgsnd:
3313 ret = do_msgsnd(first, ptr, second, third);
3314 break;
d96372ef 3315
1c54ff97
AJ		 3316 case IPCOP_msgctl:
3317 ret = do_msgctl(first, second, ptr);
3318 break;
d96372ef 3319
1c54ff97
AJ		 3320 case IPCOP_msgrcv:
3321 switch (version) {
3322 case 0:
3323 {
3324 struct target_ipc_kludge {
3325 abi_long msgp;
3326 abi_long msgtyp;
3327 } *tmp;
3328
3329 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
3330 ret = -TARGET_EFAULT;
3331 break;
3332 }
d96372ef 3333
79dd77de 3334 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
d96372ef 3335
1c54ff97
AJ		 3336 unlock_user_struct(tmp, ptr, 0);
3337 break;
3338 }
3339 default:
3340 ret = do_msgrcv(first, ptr, second, fifth, third);
3341 }
3342 break;
d96372ef 3343
8853f86e 3344 case IPCOP_shmat:
88a8c984
RV		 3345 switch (version) {
3346 default:
5a4a898d
FB		 3347 {
3348 abi_ulong raddr;
88a8c984
RV		 3349 raddr = do_shmat(first, ptr, second);
3350 if (is_error(raddr))
3351 return get_errno(raddr);
2f619698 3352 if (put_user_ual(raddr, third))
5a4a898d 3353 return -TARGET_EFAULT;
88a8c984
RV		 3354 break;
3355 }
3356 case 1:
3357 ret = -TARGET_EINVAL;
3358 break;
5a4a898d 3359 }
8853f86e
FB		 3360 break;
3361 case IPCOP_shmdt:
88a8c984 3362 ret = do_shmdt(ptr);
8853f86e
FB		 3363 break;
3364
3365 case IPCOP_shmget:
3366 /* IPC_* flag values are the same on all linux platforms */
3367 ret = get_errno(shmget(first, second, third));
3368 break;
3369
3370 /* IPC_* and SHM_* command values are the same on all linux platforms */
3371 case IPCOP_shmctl:
a2926784 3372 ret = do_shmctl(first, second, ptr);
8853f86e
FB		 3373 break;
3374 default:
32407103 3375 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 3376 ret = -TARGET_ENOSYS;
8853f86e
FB		 3377 break;
3378 }
3379 return ret;
3380}
32407103 3381#endif
8853f86e 3382
31e31b8a 3383/* kernel structure types definitions */
31e31b8a 3384
001faf32 3385#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 3386#define STRUCT_SPECIAL(name) STRUCT_ ## name,
3387enum {
3388#include "syscall_types.h"
8be656b8 3389STRUCT_MAX
31e31b8a
FB		 3390};
3391#undef STRUCT
3392#undef STRUCT_SPECIAL
3393
001faf32 3394#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 3395#define STRUCT_SPECIAL(name)
3396#include "syscall_types.h"
3397#undef STRUCT
3398#undef STRUCT_SPECIAL
3399
d2ef05bb
PM		 3400typedef struct IOCTLEntry IOCTLEntry;
3401
3402typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
45c874eb 3403 int fd, int cmd, abi_long arg);
d2ef05bb
PM		 3404
3405struct IOCTLEntry {
9c6bf9c7 3406 int target_cmd;
2ab83ea7 3407 unsigned int host_cmd;
31e31b8a
FB		 3408 const char *name;
3409 int access;
d2ef05bb 3410 do_ioctl_fn *do_ioctl;
1a9353d2 3411 const argtype arg_type[5];
d2ef05bb 3412};
31e31b8a
FB		 3413
3414#define IOC_R 0x0001
3415#define IOC_W 0x0002
3416#define IOC_RW (IOC_R | IOC_W)
3417
3418#define MAX_STRUCT_SIZE 4096
3419
dace20dc 3420#ifdef CONFIG_FIEMAP
285da2b9
PM		 3421/* So fiemap access checks don't overflow on 32 bit systems.
3422 * This is very slightly smaller than the limit imposed by
3423 * the underlying kernel.
3424 */
3425#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3426 / sizeof(struct fiemap_extent))
3427
3428static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
45c874eb 3429 int fd, int cmd, abi_long arg)
285da2b9
PM		 3430{
3431 /* The parameter for this ioctl is a struct fiemap followed
3432 * by an array of struct fiemap_extent whose size is set
3433 * in fiemap->fm_extent_count. The array is filled in by the
3434 * ioctl.
3435 */
3436 int target_size_in, target_size_out;
3437 struct fiemap *fm;
3438 const argtype *arg_type = ie->arg_type;
3439 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3440 void *argptr, *p;
3441 abi_long ret;
3442 int i, extent_size = thunk_type_size(extent_arg_type, 0);
3443 uint32_t outbufsz;
3444 int free_fm = 0;
3445
3446 assert(arg_type[0] == TYPE_PTR);
3447 assert(ie->access == IOC_RW);
3448 arg_type++;
3449 target_size_in = thunk_type_size(arg_type, 0);
3450 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3451 if (!argptr) {
3452 return -TARGET_EFAULT;
3453 }
3454 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3455 unlock_user(argptr, arg, 0);
3456 fm = (struct fiemap *)buf_temp;
3457 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3458 return -TARGET_EINVAL;
3459 }
3460
3461 outbufsz = sizeof (*fm) +
3462 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3463
3464 if (outbufsz > MAX_STRUCT_SIZE) {
3465 /* We can't fit all the extents into the fixed size buffer.
3466 * Allocate one that is large enough and use it instead.
3467 */
3468 fm = malloc(outbufsz);
3469 if (!fm) {
3470 return -TARGET_ENOMEM;
3471 }
3472 memcpy(fm, buf_temp, sizeof(struct fiemap));
3473 free_fm = 1;
3474 }
3475 ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3476 if (!is_error(ret)) {
3477 target_size_out = target_size_in;
3478 /* An extent_count of 0 means we were only counting the extents
3479 * so there are no structs to copy
3480 */
3481 if (fm->fm_extent_count != 0) {
3482 target_size_out += fm->fm_mapped_extents * extent_size;
3483 }
3484 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3485 if (!argptr) {
3486 ret = -TARGET_EFAULT;
3487 } else {
3488 /* Convert the struct fiemap */
3489 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3490 if (fm->fm_extent_count != 0) {
3491 p = argptr + target_size_in;
3492 /* ...and then all the struct fiemap_extents */
3493 for (i = 0; i < fm->fm_mapped_extents; i++) {
3494 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3495 THUNK_TARGET);
3496 p += extent_size;
3497 }
3498 }
3499 unlock_user(argptr, arg, target_size_out);
3500 }
3501 }
3502 if (free_fm) {
3503 free(fm);
3504 }
3505 return ret;
3506}
dace20dc 3507#endif
285da2b9 3508
059c2f2c 3509static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
45c874eb 3510 int fd, int cmd, abi_long arg)
059c2f2c
LV		 3511{
3512 const argtype *arg_type = ie->arg_type;
3513 int target_size;
3514 void *argptr;
3515 int ret;
3516 struct ifconf *host_ifconf;
3517 uint32_t outbufsz;
3518 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
3519 int target_ifreq_size;
3520 int nb_ifreq;
3521 int free_buf = 0;
3522 int i;
3523 int target_ifc_len;
3524 abi_long target_ifc_buf;
3525 int host_ifc_len;
3526 char *host_ifc_buf;
3527
3528 assert(arg_type[0] == TYPE_PTR);
3529 assert(ie->access == IOC_RW);
3530
3531 arg_type++;
3532 target_size = thunk_type_size(arg_type, 0);
3533
3534 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3535 if (!argptr)
3536 return -TARGET_EFAULT;
3537 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3538 unlock_user(argptr, arg, 0);
3539
3540 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
3541 target_ifc_len = host_ifconf->ifc_len;
3542 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
3543
3544 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
3545 nb_ifreq = target_ifc_len / target_ifreq_size;
3546 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
3547
3548 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
3549 if (outbufsz > MAX_STRUCT_SIZE) {
3550 /* We can't fit all the extents into the fixed size buffer.
3551 * Allocate one that is large enough and use it instead.
3552 */
3553 host_ifconf = malloc(outbufsz);
3554 if (!host_ifconf) {
3555 return -TARGET_ENOMEM;
3556 }
3557 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
3558 free_buf = 1;
3559 }
3560 host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
3561
3562 host_ifconf->ifc_len = host_ifc_len;
3563 host_ifconf->ifc_buf = host_ifc_buf;
3564
3565 ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
3566 if (!is_error(ret)) {
3567 /* convert host ifc_len to target ifc_len */
3568
3569 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
3570 target_ifc_len = nb_ifreq * target_ifreq_size;
3571 host_ifconf->ifc_len = target_ifc_len;
3572
3573 /* restore target ifc_buf */
3574
3575 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
3576
3577 /* copy struct ifconf to target user */
3578
3579 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3580 if (!argptr)
3581 return -TARGET_EFAULT;
3582 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
3583 unlock_user(argptr, arg, target_size);
3584
3585 /* copy ifreq[] to target user */
3586
3587 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
3588 for (i = 0; i < nb_ifreq ; i++) {
3589 thunk_convert(argptr + i * target_ifreq_size,
3590 host_ifc_buf + i * sizeof(struct ifreq),
3591 ifreq_arg_type, THUNK_TARGET);
3592 }
3593 unlock_user(argptr, target_ifc_buf, target_ifc_len);
3594 }
3595
3596 if (free_buf) {
3597 free(host_ifconf);
3598 }
3599
3600 return ret;
3601}
3602
56e904ec 3603static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
45c874eb 3604 int cmd, abi_long arg)
56e904ec
AG		 3605{
3606 void *argptr;
3607 struct dm_ioctl *host_dm;
3608 abi_long guest_data;
3609 uint32_t guest_data_size;
3610 int target_size;
3611 const argtype *arg_type = ie->arg_type;
3612 abi_long ret;
3613 void *big_buf = NULL;
3614 char *host_data;
3615
3616 arg_type++;
3617 target_size = thunk_type_size(arg_type, 0);
3618 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3619 if (!argptr) {
3620 ret = -TARGET_EFAULT;
3621 goto out;
3622 }
3623 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3624 unlock_user(argptr, arg, 0);
3625
3626 /* buf_temp is too small, so fetch things into a bigger buffer */
3627 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
3628 memcpy(big_buf, buf_temp, target_size);
3629 buf_temp = big_buf;
3630 host_dm = big_buf;
3631
3632 guest_data = arg + host_dm->data_start;
3633 if ((guest_data - arg) < 0) {
3634 ret = -EINVAL;
3635 goto out;
3636 }
3637 guest_data_size = host_dm->data_size - host_dm->data_start;
3638 host_data = (char*)host_dm + host_dm->data_start;
3639
3640 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
3641 switch (ie->host_cmd) {
3642 case DM_REMOVE_ALL:
3643 case DM_LIST_DEVICES:
3644 case DM_DEV_CREATE:
3645 case DM_DEV_REMOVE:
3646 case DM_DEV_SUSPEND:
3647 case DM_DEV_STATUS:
3648 case DM_DEV_WAIT:
3649 case DM_TABLE_STATUS:
3650 case DM_TABLE_CLEAR:
3651 case DM_TABLE_DEPS:
3652 case DM_LIST_VERSIONS:
3653 /* no input data */
3654 break;
3655 case DM_DEV_RENAME:
3656 case DM_DEV_SET_GEOMETRY:
3657 /* data contains only strings */
3658 memcpy(host_data, argptr, guest_data_size);
3659 break;
3660 case DM_TARGET_MSG:
3661 memcpy(host_data, argptr, guest_data_size);
3662 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
3663 break;
3664 case DM_TABLE_LOAD:
3665 {
3666 void *gspec = argptr;
3667 void *cur_data = host_data;
3668 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3669 int spec_size = thunk_type_size(arg_type, 0);
3670 int i;
3671
3672 for (i = 0; i < host_dm->target_count; i++) {
3673 struct dm_target_spec *spec = cur_data;
3674 uint32_t next;
3675 int slen;
3676
3677 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
3678 slen = strlen((char*)gspec + spec_size) + 1;
3679 next = spec->next;
3680 spec->next = sizeof(*spec) + slen;
3681 strcpy((char*)&spec[1], gspec + spec_size);
3682 gspec += next;
3683 cur_data += spec->next;
3684 }
3685 break;
3686 }
3687 default:
3688 ret = -TARGET_EINVAL;
dec0473d 3689 unlock_user(argptr, guest_data, 0);
56e904ec
AG		 3690 goto out;
3691 }
3692 unlock_user(argptr, guest_data, 0);
3693
3694 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3695 if (!is_error(ret)) {
3696 guest_data = arg + host_dm->data_start;
3697 guest_data_size = host_dm->data_size - host_dm->data_start;
3698 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
3699 switch (ie->host_cmd) {
3700 case DM_REMOVE_ALL:
3701 case DM_DEV_CREATE:
3702 case DM_DEV_REMOVE:
3703 case DM_DEV_RENAME:
3704 case DM_DEV_SUSPEND:
3705 case DM_DEV_STATUS:
3706 case DM_TABLE_LOAD:
3707 case DM_TABLE_CLEAR:
3708 case DM_TARGET_MSG:
3709 case DM_DEV_SET_GEOMETRY:
3710 /* no return data */
3711 break;
3712 case DM_LIST_DEVICES:
3713 {
3714 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
3715 uint32_t remaining_data = guest_data_size;
3716 void *cur_data = argptr;
3717 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
3718 int nl_size = 12; /* can't use thunk_size due to alignment */
3719
3720 while (1) {
3721 uint32_t next = nl->next;
3722 if (next) {
3723 nl->next = nl_size + (strlen(nl->name) + 1);
3724 }
3725 if (remaining_data < nl->next) {
3726 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3727 break;
3728 }
3729 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
3730 strcpy(cur_data + nl_size, nl->name);
3731 cur_data += nl->next;
3732 remaining_data -= nl->next;
3733 if (!next) {
3734 break;
3735 }
3736 nl = (void*)nl + next;
3737 }
3738 break;
3739 }
3740 case DM_DEV_WAIT:
3741 case DM_TABLE_STATUS:
3742 {
3743 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
3744 void *cur_data = argptr;
3745 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3746 int spec_size = thunk_type_size(arg_type, 0);
3747 int i;
3748
3749 for (i = 0; i < host_dm->target_count; i++) {
3750 uint32_t next = spec->next;
3751 int slen = strlen((char*)&spec[1]) + 1;
3752 spec->next = (cur_data - argptr) + spec_size + slen;
3753 if (guest_data_size < spec->next) {
3754 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3755 break;
3756 }
3757 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
3758 strcpy(cur_data + spec_size, (char*)&spec[1]);
3759 cur_data = argptr + spec->next;
3760 spec = (void*)host_dm + host_dm->data_start + next;
3761 }
3762 break;
3763 }
3764 case DM_TABLE_DEPS:
3765 {
3766 void *hdata = (void*)host_dm + host_dm->data_start;
3767 int count = *(uint32_t*)hdata;
3768 uint64_t *hdev = hdata + 8;
3769 uint64_t *gdev = argptr + 8;
3770 int i;
3771
3772 *(uint32_t*)argptr = tswap32(count);
3773 for (i = 0; i < count; i++) {
3774 *gdev = tswap64(*hdev);
3775 gdev++;
3776 hdev++;
3777 }
3778 break;
3779 }
3780 case DM_LIST_VERSIONS:
3781 {
3782 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
3783 uint32_t remaining_data = guest_data_size;
3784 void *cur_data = argptr;
3785 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
3786 int vers_size = thunk_type_size(arg_type, 0);
3787
3788 while (1) {
3789 uint32_t next = vers->next;
3790 if (next) {
3791 vers->next = vers_size + (strlen(vers->name) + 1);
3792 }
3793 if (remaining_data < vers->next) {
3794 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3795 break;
3796 }
3797 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
3798 strcpy(cur_data + vers_size, vers->name);
3799 cur_data += vers->next;
3800 remaining_data -= vers->next;
3801 if (!next) {
3802 break;
3803 }
3804 vers = (void*)vers + next;
3805 }
3806 break;
3807 }
3808 default:
dec0473d 3809 unlock_user(argptr, guest_data, 0);
56e904ec
AG		 3810 ret = -TARGET_EINVAL;
3811 goto out;
3812 }
3813 unlock_user(argptr, guest_data, guest_data_size);
3814
3815 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3816 if (!argptr) {
3817 ret = -TARGET_EFAULT;
3818 goto out;
3819 }
3820 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3821 unlock_user(argptr, arg, target_size);
3822 }
3823out:
ad11ad77 3824 g_free(big_buf);
56e904ec
AG		 3825 return ret;
3826}
3827
a59b5e35 3828static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
45c874eb 3829 int cmd, abi_long arg)
a59b5e35
AG		 3830{
3831 void *argptr;
3832 int target_size;
3833 const argtype *arg_type = ie->arg_type;
3834 const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) };
3835 abi_long ret;
3836
3837 struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp;
3838 struct blkpg_partition host_part;
3839
3840 /* Read and convert blkpg */
3841 arg_type++;
3842 target_size = thunk_type_size(arg_type, 0);
3843 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3844 if (!argptr) {
3845 ret = -TARGET_EFAULT;
3846 goto out;
3847 }
3848 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3849 unlock_user(argptr, arg, 0);
3850
3851 switch (host_blkpg->op) {
3852 case BLKPG_ADD_PARTITION:
3853 case BLKPG_DEL_PARTITION:
3854 /* payload is struct blkpg_partition */
3855 break;
3856 default:
3857 /* Unknown opcode */
3858 ret = -TARGET_EINVAL;
3859 goto out;
3860 }
3861
3862 /* Read and convert blkpg->data */
3863 arg = (abi_long)(uintptr_t)host_blkpg->data;
3864 target_size = thunk_type_size(part_arg_type, 0);
3865 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3866 if (!argptr) {
3867 ret = -TARGET_EFAULT;
3868 goto out;
3869 }
3870 thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST);
3871 unlock_user(argptr, arg, 0);
3872
3873 /* Swizzle the data pointer to our local copy and call! */
3874 host_blkpg->data = &host_part;
3875 ret = get_errno(ioctl(fd, ie->host_cmd, host_blkpg));
3876
3877out:
3878 return ret;
3879}
3880
7ff7b666 3881static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
45c874eb 3882 int fd, int cmd, abi_long arg)
7ff7b666
LV		 3883{
3884 const argtype *arg_type = ie->arg_type;
3885 const StructEntry *se;
3886 const argtype *field_types;
3887 const int *dst_offsets, *src_offsets;
3888 int target_size;
3889 void *argptr;
3890 abi_ulong *target_rt_dev_ptr;
3891 unsigned long *host_rt_dev_ptr;
3892 abi_long ret;
3893 int i;
3894
3895 assert(ie->access == IOC_W);
3896 assert(*arg_type == TYPE_PTR);
3897 arg_type++;
3898 assert(*arg_type == TYPE_STRUCT);
3899 target_size = thunk_type_size(arg_type, 0);
3900 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3901 if (!argptr) {
3902 return -TARGET_EFAULT;
3903 }
3904 arg_type++;
3905 assert(*arg_type == (int)STRUCT_rtentry);
3906 se = struct_entries + *arg_type++;
3907 assert(se->convert[0] == NULL);
3908 /* convert struct here to be able to catch rt_dev string */
3909 field_types = se->field_types;
3910 dst_offsets = se->field_offsets[THUNK_HOST];
3911 src_offsets = se->field_offsets[THUNK_TARGET];
3912 for (i = 0; i < se->nb_fields; i++) {
3913 if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
3914 assert(*field_types == TYPE_PTRVOID);
3915 target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
3916 host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
3917 if (*target_rt_dev_ptr != 0) {
3918 *host_rt_dev_ptr = (unsigned long)lock_user_string(
3919 tswapal(*target_rt_dev_ptr));
3920 if (!*host_rt_dev_ptr) {
3921 unlock_user(argptr, arg, 0);
3922 return -TARGET_EFAULT;
3923 }
3924 } else {
3925 *host_rt_dev_ptr = 0;
3926 }
3927 field_types++;
3928 continue;
3929 }
3930 field_types = thunk_convert(buf_temp + dst_offsets[i],
3931 argptr + src_offsets[i],
3932 field_types, THUNK_HOST);
3933 }
3934 unlock_user(argptr, arg, 0);
3935
3936 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3937 if (*host_rt_dev_ptr != 0) {
3938 unlock_user((void *)*host_rt_dev_ptr,
3939 *target_rt_dev_ptr, 0);
3940 }
3941 return ret;
3942}
3943
ca56f5b5 3944static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp,
45c874eb 3945 int fd, int cmd, abi_long arg)
ca56f5b5
PB		 3946{
3947 int sig = target_to_host_signal(arg);
3948 return get_errno(ioctl(fd, ie->host_cmd, sig));
3949}
3950
9f106a75 3951static IOCTLEntry ioctl_entries[] = {
001faf32 3952#define IOCTL(cmd, access, ...) \
d2ef05bb
PM		 3953 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3954#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3955 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
31e31b8a
FB		 3956#include "ioctls.h"
3957 { 0, 0, },
3958};
3959
53a5960a 3960/* ??? Implement proper locking for ioctls. */
0da46a6e 3961/* do_ioctl() Must return target values and target errnos. */
45c874eb 3962static abi_long do_ioctl(int fd, int cmd, abi_long arg)
31e31b8a
FB		 3963{
3964 const IOCTLEntry *ie;
3965 const argtype *arg_type;
992f48a0 3966 abi_long ret;
31e31b8a 3967 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 3968 int target_size;
3969 void *argptr;
31e31b8a
FB		 3970
3971 ie = ioctl_entries;
3972 for(;;) {
3973 if (ie->target_cmd == 0) {
32407103 3974 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 3975 return -TARGET_ENOSYS;
31e31b8a
FB		 3976 }
3977 if (ie->target_cmd == cmd)
3978 break;
3979 ie++;
3980 }
3981 arg_type = ie->arg_type;
9de5e440 3982#if defined(DEBUG)
32407103 3983 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 3984#endif
d2ef05bb
PM		 3985 if (ie->do_ioctl) {
3986 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3987 }
3988
31e31b8a
FB		 3989 switch(arg_type[0]) {
3990 case TYPE_NULL:
3991 /* no argument */
3992 ret = get_errno(ioctl(fd, ie->host_cmd));
3993 break;
3994 case TYPE_PTRVOID:
3995 case TYPE_INT:
31e31b8a
FB		 3996 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3997 break;
3998 case TYPE_PTR:
3999 arg_type++;
53a5960a 4000 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 4001 switch(ie->access) {
4002 case IOC_R:
4003 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
4004 if (!is_error(ret)) {
579a97f7
FB		 4005 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4006 if (!argptr)
4007 return -TARGET_EFAULT;
53a5960a
PB		 4008 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
4009 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 4010 }
4011 break;
4012 case IOC_W:
579a97f7
FB		 4013 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4014 if (!argptr)
4015 return -TARGET_EFAULT;
53a5960a
PB		 4016 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4017 unlock_user(argptr, arg, 0);
31e31b8a
FB		 4018 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
4019 break;
4020 default:
4021 case IOC_RW:
579a97f7
FB		 4022 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
4023 if (!argptr)
4024 return -TARGET_EFAULT;
53a5960a
PB		 4025 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
4026 unlock_user(argptr, arg, 0);
31e31b8a
FB		 4027 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
4028 if (!is_error(ret)) {
579a97f7
FB		 4029 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
4030 if (!argptr)
4031 return -TARGET_EFAULT;
53a5960a
PB		 4032 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
4033 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 4034 }
4035 break;
4036 }
4037 break;
4038 default:
32407103
JM		 4039 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
4040 (long)cmd, arg_type[0]);
0da46a6e 4041 ret = -TARGET_ENOSYS;
31e31b8a
FB		 4042 break;
4043 }
4044 return ret;
4045}
4046
b39bc503 4047static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 4048 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
4049 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
4050 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
4051 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
4052 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
4053 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
4054 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
4055 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
4056 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
4057 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
4058 { TARGET_IXON, TARGET_IXON, IXON, IXON },
4059 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
4060 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
4061 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
4062 { 0, 0, 0, 0 }
4063};
4064
b39bc503 4065static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 4066 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
4067 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
4068 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
4069 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
4070 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
4071 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
4072 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
4073 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
4074 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
4075 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
4076 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
4077 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
4078 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
4079 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
4080 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
4081 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
4082 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
4083 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
4084 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
4085 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
4086 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
4087 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
4088 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
4089 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
4090 { 0, 0, 0, 0 }
4091};
4092
b39bc503 4093static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 4094 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
4095 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
4096 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
4097 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
4098 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
4099 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
4100 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
4101 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
4102 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
4103 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
4104 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
4105 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
4106 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
4107 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
4108 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
4109 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
4110 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
4111 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
4112 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
4113 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
4114 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
4115 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
4116 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
4117 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
4118 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
4119 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
4120 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
4121 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
4122 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
4123 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
4124 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
4125 { 0, 0, 0, 0 }
4126};
4127
b39bc503 4128static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 4129 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
4130 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
4131 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
4132 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
4133 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
4134 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
4135 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
4136 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
4137 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
4138 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
4139 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
4140 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
4141 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
4142 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
4143 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
4144 { 0, 0, 0, 0 }
4145};
4146
4147static void target_to_host_termios (void *dst, const void *src)
4148{
4149 struct host_termios *host = dst;
4150 const struct target_termios *target = src;
3b46e624 4151
5fafdf24 4152 host->c_iflag =
31e31b8a 4153 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 4154 host->c_oflag =
31e31b8a 4155 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 4156 host->c_cflag =
31e31b8a 4157 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 4158 host->c_lflag =
31e31b8a
FB		 4159 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
4160 host->c_line = target->c_line;
3b46e624 4161
44607123 4162 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 4163 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
4164 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 4165 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 4166 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 4167 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 4168 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 4169 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 4170 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 4171 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 4172 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
4173 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 4174 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
4175 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
4176 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
4177 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
4178 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 4179 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 4180}
3b46e624 4181
31e31b8a
FB		 4182static void host_to_target_termios (void *dst, const void *src)
4183{
4184 struct target_termios *target = dst;
4185 const struct host_termios *host = src;
4186
5fafdf24 4187 target->c_iflag =
31e31b8a 4188 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 4189 target->c_oflag =
31e31b8a 4190 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 4191 target->c_cflag =
31e31b8a 4192 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 4193 target->c_lflag =
31e31b8a
FB		 4194 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
4195 target->c_line = host->c_line;
3b46e624 4196
44607123 4197 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 4198 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
4199 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
4200 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
4201 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
4202 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
4203 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
4204 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
4205 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
4206 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
4207 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
4208 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
4209 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
4210 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
4211 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
4212 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
4213 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
4214 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
4215}
4216
8e853dc7 4217static const StructEntry struct_termios_def = {
31e31b8a
FB		 4218 .convert = { host_to_target_termios, target_to_host_termios },
4219 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
4220 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
4221};
4222
5286db75
FB		 4223static bitmask_transtbl mmap_flags_tbl[] = {
4224 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
4225 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
4226 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
4227 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
4228 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
4229 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
4230 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
4231 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
e8efd8e7
CL		 4232 { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, MAP_NORESERVE,
4233 MAP_NORESERVE },
5286db75
FB		 4234 { 0, 0, 0, 0 }
4235};
4236
2ab83ea7 4237#if defined(TARGET_I386)
6dbad63e
FB		 4238
4239/* NOTE: there is really one LDT for all the threads */
b1d8e52e 4240static uint8_t *ldt_table;
6dbad63e 4241
03acab66 4242static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 4243{
4244 int size;
53a5960a 4245 void *p;
6dbad63e
FB		 4246
4247 if (!ldt_table)
4248 return 0;
4249 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
4250 if (size > bytecount)
4251 size = bytecount;
579a97f7
FB		 4252 p = lock_user(VERIFY_WRITE, ptr, size, 0);
4253 if (!p)
03acab66 4254 return -TARGET_EFAULT;
579a97f7 4255 /* ??? Should this by byteswapped? */
53a5960a
PB		 4256 memcpy(p, ldt_table, size);
4257 unlock_user(p, ptr, size);
6dbad63e
FB		 4258 return size;
4259}
4260
4261/* XXX: add locking support */
03acab66
FB		 4262static abi_long write_ldt(CPUX86State *env,
4263 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 4264{
4265 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 4266 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 4267 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 4268 int seg_not_present, useable, lm;
6dbad63e
FB		 4269 uint32_t *lp, entry_1, entry_2;
4270
4271 if (bytecount != sizeof(ldt_info))
03acab66 4272 return -TARGET_EINVAL;
579a97f7 4273 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 4274 return -TARGET_EFAULT;
53a5960a 4275 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4276 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
53a5960a
PB		 4277 ldt_info.limit = tswap32(target_ldt_info->limit);
4278 ldt_info.flags = tswap32(target_ldt_info->flags);
4279 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 4280
6dbad63e 4281 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 4282 return -TARGET_EINVAL;
6dbad63e
FB		 4283 seg_32bit = ldt_info.flags & 1;
4284 contents = (ldt_info.flags >> 1) & 3;
4285 read_exec_only = (ldt_info.flags >> 3) & 1;
4286 limit_in_pages = (ldt_info.flags >> 4) & 1;
4287 seg_not_present = (ldt_info.flags >> 5) & 1;
4288 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 4289#ifdef TARGET_ABI32
4290 lm = 0;
4291#else
4292 lm = (ldt_info.flags >> 7) & 1;
4293#endif
6dbad63e
FB		 4294 if (contents == 3) {
4295 if (oldmode)
03acab66 4296 return -TARGET_EINVAL;
6dbad63e 4297 if (seg_not_present == 0)
03acab66 4298 return -TARGET_EINVAL;
6dbad63e
FB		 4299 }
4300 /* allocate the LDT */
4301 if (!ldt_table) {
e441570f
AZ		 4302 env->ldt.base = target_mmap(0,
4303 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
4304 PROT_READ|PROT_WRITE,
4305 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
4306 if (env->ldt.base == -1)
03acab66 4307 return -TARGET_ENOMEM;
e441570f
AZ		 4308 memset(g2h(env->ldt.base), 0,
4309 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 4310 env->ldt.limit = 0xffff;
e441570f 4311 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 4312 }
4313
4314 /* NOTE: same code as Linux kernel */
4315 /* Allow LDTs to be cleared by the user. */
4316 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4317 if (oldmode ||
4318 (contents == 0 &&
4319 read_exec_only == 1 &&
4320 seg_32bit == 0 &&
4321 limit_in_pages == 0 &&
4322 seg_not_present == 1 &&
4323 useable == 0 )) {
4324 entry_1 = 0;
4325 entry_2 = 0;
4326 goto install;
4327 }
4328 }
3b46e624 4329
6dbad63e
FB		 4330 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4331 (ldt_info.limit & 0x0ffff);
4332 entry_2 = (ldt_info.base_addr & 0xff000000) |
4333 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4334 (ldt_info.limit & 0xf0000) |
4335 ((read_exec_only ^ 1) << 9) |
4336 (contents << 10) |
4337 ((seg_not_present ^ 1) << 15) |
4338 (seg_32bit << 22) |
4339 (limit_in_pages << 23) |
8d18e893 4340 (lm << 21) |
6dbad63e
FB		 4341 0x7000;
4342 if (!oldmode)
4343 entry_2 |= (useable << 20);
14ae3ba7 4344
6dbad63e
FB		 4345 /* Install the new entry ... */
4346install:
4347 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
4348 lp[0] = tswap32(entry_1);
4349 lp[1] = tswap32(entry_2);
4350 return 0;
4351}
4352
4353/* specific and weird i386 syscalls */
8fcd3692
BS		 4354static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
4355 unsigned long bytecount)
6dbad63e 4356{
03acab66 4357 abi_long ret;
3b46e624 4358
6dbad63e
FB		 4359 switch (func) {
4360 case 0:
4361 ret = read_ldt(ptr, bytecount);
4362 break;
4363 case 1:
4364 ret = write_ldt(env, ptr, bytecount, 1);
4365 break;
4366 case 0x11:
4367 ret = write_ldt(env, ptr, bytecount, 0);
4368 break;
03acab66
FB		 4369 default:
4370 ret = -TARGET_ENOSYS;
4371 break;
6dbad63e
FB		 4372 }
4373 return ret;
4374}
1b6b029e 4375
4583f589 4376#if defined(TARGET_I386) && defined(TARGET_ABI32)
bc22eb44 4377abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4378{
4379 uint64_t *gdt_table = g2h(env->gdt.base);
4380 struct target_modify_ldt_ldt_s ldt_info;
4381 struct target_modify_ldt_ldt_s *target_ldt_info;
4382 int seg_32bit, contents, read_exec_only, limit_in_pages;
4383 int seg_not_present, useable, lm;
4384 uint32_t *lp, entry_1, entry_2;
4385 int i;
4386
4387 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4388 if (!target_ldt_info)
4389 return -TARGET_EFAULT;
4390 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4391 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
8d18e893
FB		 4392 ldt_info.limit = tswap32(target_ldt_info->limit);
4393 ldt_info.flags = tswap32(target_ldt_info->flags);
4394 if (ldt_info.entry_number == -1) {
4395 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
4396 if (gdt_table[i] == 0) {
4397 ldt_info.entry_number = i;
4398 target_ldt_info->entry_number = tswap32(i);
4399 break;
4400 }
4401 }
4402 }
4403 unlock_user_struct(target_ldt_info, ptr, 1);
4404
4405 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
4406 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
4407 return -TARGET_EINVAL;
4408 seg_32bit = ldt_info.flags & 1;
4409 contents = (ldt_info.flags >> 1) & 3;
4410 read_exec_only = (ldt_info.flags >> 3) & 1;
4411 limit_in_pages = (ldt_info.flags >> 4) & 1;
4412 seg_not_present = (ldt_info.flags >> 5) & 1;
4413 useable = (ldt_info.flags >> 6) & 1;
4414#ifdef TARGET_ABI32
4415 lm = 0;
4416#else
4417 lm = (ldt_info.flags >> 7) & 1;
4418#endif
4419
4420 if (contents == 3) {
4421 if (seg_not_present == 0)
4422 return -TARGET_EINVAL;
4423 }
4424
4425 /* NOTE: same code as Linux kernel */
4426 /* Allow LDTs to be cleared by the user. */
4427 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4428 if ((contents == 0 &&
4429 read_exec_only == 1 &&
4430 seg_32bit == 0 &&
4431 limit_in_pages == 0 &&
4432 seg_not_present == 1 &&
4433 useable == 0 )) {
4434 entry_1 = 0;
4435 entry_2 = 0;
4436 goto install;
4437 }
4438 }
4439
4440 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4441 (ldt_info.limit & 0x0ffff);
4442 entry_2 = (ldt_info.base_addr & 0xff000000) |
4443 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4444 (ldt_info.limit & 0xf0000) |
4445 ((read_exec_only ^ 1) << 9) |
4446 (contents << 10) |
4447 ((seg_not_present ^ 1) << 15) |
4448 (seg_32bit << 22) |
4449 (limit_in_pages << 23) |
4450 (useable << 20) |
4451 (lm << 21) |
4452 0x7000;
4453
4454 /* Install the new entry ... */
4455install:
4456 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
4457 lp[0] = tswap32(entry_1);
4458 lp[1] = tswap32(entry_2);
4459 return 0;
4460}
4461
8fcd3692 4462static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4463{
4464 struct target_modify_ldt_ldt_s *target_ldt_info;
4465 uint64_t *gdt_table = g2h(env->gdt.base);
4466 uint32_t base_addr, limit, flags;
4467 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
4468 int seg_not_present, useable, lm;
4469 uint32_t *lp, entry_1, entry_2;
4470
4471 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4472 if (!target_ldt_info)
4473 return -TARGET_EFAULT;
4474 idx = tswap32(target_ldt_info->entry_number);
4475 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
4476 idx > TARGET_GDT_ENTRY_TLS_MAX) {
4477 unlock_user_struct(target_ldt_info, ptr, 1);
4478 return -TARGET_EINVAL;
4479 }
4480 lp = (uint32_t *)(gdt_table + idx);
4481 entry_1 = tswap32(lp[0]);
4482 entry_2 = tswap32(lp[1]);
4483
4484 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
4485 contents = (entry_2 >> 10) & 3;
4486 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
4487 seg_32bit = (entry_2 >> 22) & 1;
4488 limit_in_pages = (entry_2 >> 23) & 1;
4489 useable = (entry_2 >> 20) & 1;
4490#ifdef TARGET_ABI32
4491 lm = 0;
4492#else
4493 lm = (entry_2 >> 21) & 1;
4494#endif
4495 flags = (seg_32bit << 0) | (contents << 1) |
4496 (read_exec_only << 3) | (limit_in_pages << 4) |
4497 (seg_not_present << 5) | (useable << 6) | (lm << 7);
4498 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
4499 base_addr = (entry_1 >> 16) |
4500 (entry_2 & 0xff000000) |
4501 ((entry_2 & 0xff) << 16);
cbb21eed 4502 target_ldt_info->base_addr = tswapal(base_addr);
8d18e893
FB		 4503 target_ldt_info->limit = tswap32(limit);
4504 target_ldt_info->flags = tswap32(flags);
4505 unlock_user_struct(target_ldt_info, ptr, 1);
4506 return 0;
4507}
4583f589 4508#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 4509
d2fd1af7 4510#ifndef TARGET_ABI32
2667e71c 4511abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7 4512{
1add8698 4513 abi_long ret = 0;
d2fd1af7
FB		 4514 abi_ulong val;
4515 int idx;
1add8698 4516
d2fd1af7
FB		 4517 switch(code) {
4518 case TARGET_ARCH_SET_GS:
4519 case TARGET_ARCH_SET_FS:
4520 if (code == TARGET_ARCH_SET_GS)
4521 idx = R_GS;
4522 else
4523 idx = R_FS;
4524 cpu_x86_load_seg(env, idx, 0);
4525 env->segs[idx].base = addr;
4526 break;
4527 case TARGET_ARCH_GET_GS:
4528 case TARGET_ARCH_GET_FS:
4529 if (code == TARGET_ARCH_GET_GS)
4530 idx = R_GS;
4531 else
4532 idx = R_FS;
4533 val = env->segs[idx].base;
4534 if (put_user(val, addr, abi_ulong))
1add8698 4535 ret = -TARGET_EFAULT;
d2fd1af7
FB		 4536 break;
4537 default:
4538 ret = -TARGET_EINVAL;
4539 break;
4540 }
1add8698 4541 return ret;
d2fd1af7
FB		 4542}
4543#endif
4544
2ab83ea7
FB		 4545#endif /* defined(TARGET_I386) */
4546
05098a93 4547#define NEW_STACK_SIZE 0x40000
d865bab5 4548
d865bab5
PB		 4549
4550static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
4551typedef struct {
9349b4f9 4552 CPUArchState *env;
d865bab5
PB		 4553 pthread_mutex_t mutex;
4554 pthread_cond_t cond;
4555 pthread_t thread;
4556 uint32_t tid;
4557 abi_ulong child_tidptr;
4558 abi_ulong parent_tidptr;
4559 sigset_t sigmask;
4560} new_thread_info;
4561
4562static void *clone_func(void *arg)
4563{
4564 new_thread_info *info = arg;
9349b4f9 4565 CPUArchState *env;
0d34282f 4566 CPUState *cpu;
edf8e2af 4567 TaskState *ts;
d865bab5 4568
70903763 4569 rcu_register_thread();
d865bab5 4570 env = info->env;
0d34282f 4571 cpu = ENV_GET_CPU(env);
a2247f8e 4572 thread_cpu = cpu;
0429a971 4573 ts = (TaskState *)cpu->opaque;
d865bab5 4574 info->tid = gettid();
0d34282f 4575 cpu->host_tid = info->tid;
edf8e2af 4576 task_settid(ts);
d865bab5
PB		 4577 if (info->child_tidptr)
4578 put_user_u32(info->tid, info->child_tidptr);
4579 if (info->parent_tidptr)
4580 put_user_u32(info->tid, info->parent_tidptr);
4581 /* Enable signals. */
4582 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
4583 /* Signal to the parent that we're ready. */
4584 pthread_mutex_lock(&info->mutex);
4585 pthread_cond_broadcast(&info->cond);
4586 pthread_mutex_unlock(&info->mutex);
4587 /* Wait until the parent has finshed initializing the tls state. */
4588 pthread_mutex_lock(&clone_lock);
4589 pthread_mutex_unlock(&clone_lock);
4590 cpu_loop(env);
4591 /* never exits */
4592 return NULL;
4593}
1b6b029e 4594
0da46a6e
TS		 4595/* do_fork() Must return host values and target errnos (unlike most
4596 do_*() functions). */
9349b4f9 4597static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
d865bab5
PB		 4598 abi_ulong parent_tidptr, target_ulong newtls,
4599 abi_ulong child_tidptr)
1b6b029e 4600{
0429a971 4601 CPUState *cpu = ENV_GET_CPU(env);
1b6b029e 4602 int ret;
5cd4393b 4603 TaskState *ts;
0429a971 4604 CPUState *new_cpu;
9349b4f9 4605 CPUArchState *new_env;
d865bab5
PB		 4606 unsigned int nptl_flags;
4607 sigset_t sigmask;
3b46e624 4608
436d124b
AZ		 4609 /* Emulate vfork() with fork() */
4610 if (flags & CLONE_VFORK)
4611 flags &= ~(CLONE_VFORK | CLONE_VM);
4612
1b6b029e 4613 if (flags & CLONE_VM) {
0429a971 4614 TaskState *parent_ts = (TaskState *)cpu->opaque;
d865bab5
PB		 4615 new_thread_info info;
4616 pthread_attr_t attr;
24cb36a6 4617
c78d65e8 4618 ts = g_new0(TaskState, 1);
624f7979 4619 init_task_state(ts);
1b6b029e 4620 /* we create a new CPU instance. */
c5be9f08 4621 new_env = cpu_copy(env);
6e68e076
PB		 4622 /* Init regs that differ from the parent. */
4623 cpu_clone_regs(new_env, newsp);
0429a971
AF		 4624 new_cpu = ENV_GET_CPU(new_env);
4625 new_cpu->opaque = ts;
edf8e2af
MW		 4626 ts->bprm = parent_ts->bprm;
4627 ts->info = parent_ts->info;
d865bab5
PB		 4628 nptl_flags = flags;
4629 flags &= ~CLONE_NPTL_FLAGS2;
4630
c2764719
PB		 4631 if (nptl_flags & CLONE_CHILD_CLEARTID) {
4632 ts->child_tidptr = child_tidptr;
4633 }
4634
d865bab5
PB		 4635 if (nptl_flags & CLONE_SETTLS)
4636 cpu_set_tls (new_env, newtls);
4637
4638 /* Grab a mutex so that thread setup appears atomic. */
4639 pthread_mutex_lock(&clone_lock);
4640
4641 memset(&info, 0, sizeof(info));
4642 pthread_mutex_init(&info.mutex, NULL);
4643 pthread_mutex_lock(&info.mutex);
4644 pthread_cond_init(&info.cond, NULL);
4645 info.env = new_env;
4646 if (nptl_flags & CLONE_CHILD_SETTID)
4647 info.child_tidptr = child_tidptr;
4648 if (nptl_flags & CLONE_PARENT_SETTID)
4649 info.parent_tidptr = parent_tidptr;
4650
4651 ret = pthread_attr_init(&attr);
48e15fc2
NF		 4652 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
4653 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
d865bab5
PB		 4654 /* It is not safe to deliver signals until the child has finished
4655 initializing, so temporarily block all signals. */
4656 sigfillset(&sigmask);
4657 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
4658
4659 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 4660 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 4661
4662 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
4663 pthread_attr_destroy(&attr);
4664 if (ret == 0) {
4665 /* Wait for the child to initialize. */
4666 pthread_cond_wait(&info.cond, &info.mutex);
4667 ret = info.tid;
4668 if (flags & CLONE_PARENT_SETTID)
4669 put_user_u32(ret, parent_tidptr);
4670 } else {
4671 ret = -1;
4672 }
4673 pthread_mutex_unlock(&info.mutex);
4674 pthread_cond_destroy(&info.cond);
4675 pthread_mutex_destroy(&info.mutex);
4676 pthread_mutex_unlock(&clone_lock);
1b6b029e
FB		 4677 } else {
4678 /* if no CLONE_VM, we consider it is a fork */
93b4eff8
TB		 4679 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) {
4680 return -TARGET_EINVAL;
4681 }
d865bab5 4682 fork_start();
1b6b029e 4683 ret = fork();
d865bab5 4684 if (ret == 0) {
2b1319c8 4685 /* Child Process. */
a59629fc 4686 rcu_after_fork();
d865bab5
PB		 4687 cpu_clone_regs(env, newsp);
4688 fork_end(1);
2b1319c8
AJ		 4689 /* There is a race condition here. The parent process could
4690 theoretically read the TID in the child process before the child
4691 tid is set. This would require using either ptrace
4692 (not implemented) or having *_tidptr to point at a shared memory
4693 mapping. We can't repeat the spinlock hack used above because
4694 the child process gets its own copy of the lock. */
d865bab5
PB		 4695 if (flags & CLONE_CHILD_SETTID)
4696 put_user_u32(gettid(), child_tidptr);
4697 if (flags & CLONE_PARENT_SETTID)
4698 put_user_u32(gettid(), parent_tidptr);
0429a971 4699 ts = (TaskState *)cpu->opaque;
d865bab5
PB		 4700 if (flags & CLONE_SETTLS)
4701 cpu_set_tls (env, newtls);
c2764719
PB		 4702 if (flags & CLONE_CHILD_CLEARTID)
4703 ts->child_tidptr = child_tidptr;
d865bab5
PB		 4704 } else {
4705 fork_end(0);
4706 }
1b6b029e
FB		 4707 }
4708 return ret;
4709}
4710
5f106811
APR		 4711/* warning : doesn't handle linux specific flags... */
4712static int target_to_host_fcntl_cmd(int cmd)
4713{
4714 switch(cmd) {
4715 case TARGET_F_DUPFD:
4716 case TARGET_F_GETFD:
4717 case TARGET_F_SETFD:
4718 case TARGET_F_GETFL:
4719 case TARGET_F_SETFL:
4720 return cmd;
4721 case TARGET_F_GETLK:
4722 return F_GETLK;
4723 case TARGET_F_SETLK:
4724 return F_SETLK;
4725 case TARGET_F_SETLKW:
4726 return F_SETLKW;
4727 case TARGET_F_GETOWN:
4728 return F_GETOWN;
4729 case TARGET_F_SETOWN:
4730 return F_SETOWN;
4731 case TARGET_F_GETSIG:
4732 return F_GETSIG;
4733 case TARGET_F_SETSIG:
4734 return F_SETSIG;
4735#if TARGET_ABI_BITS == 32
4736 case TARGET_F_GETLK64:
4737 return F_GETLK64;
4738 case TARGET_F_SETLK64:
4739 return F_SETLK64;
4740 case TARGET_F_SETLKW64:
4741 return F_SETLKW64;
4742#endif
7e22e546
UH		 4743 case TARGET_F_SETLEASE:
4744 return F_SETLEASE;
4745 case TARGET_F_GETLEASE:
4746 return F_GETLEASE;
fbd5de9b 4747#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 4748 case TARGET_F_DUPFD_CLOEXEC:
4749 return F_DUPFD_CLOEXEC;
fbd5de9b 4750#endif
7e22e546
UH		 4751 case TARGET_F_NOTIFY:
4752 return F_NOTIFY;
8d5d3004
AS		 4753#ifdef F_GETOWN_EX
4754 case TARGET_F_GETOWN_EX:
4755 return F_GETOWN_EX;
4756#endif
4757#ifdef F_SETOWN_EX
4758 case TARGET_F_SETOWN_EX:
4759 return F_SETOWN_EX;
4760#endif
5f106811
APR		 4761 default:
4762 return -TARGET_EINVAL;
4763 }
4764 return -TARGET_EINVAL;
4765}
4766
2ba7f730
LV		 4767#define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
4768static const bitmask_transtbl flock_tbl[] = {
4769 TRANSTBL_CONVERT(F_RDLCK),
4770 TRANSTBL_CONVERT(F_WRLCK),
4771 TRANSTBL_CONVERT(F_UNLCK),
4772 TRANSTBL_CONVERT(F_EXLCK),
4773 TRANSTBL_CONVERT(F_SHLCK),
4774 { 0, 0, 0, 0 }
4775};
4776
992f48a0 4777static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 4778{
4779 struct flock fl;
53a5960a 4780 struct target_flock *target_fl;
43f238d7
TS		 4781 struct flock64 fl64;
4782 struct target_flock64 *target_fl64;
8d5d3004
AS		 4783#ifdef F_GETOWN_EX
4784 struct f_owner_ex fox;
4785 struct target_f_owner_ex *target_fox;
4786#endif
992f48a0 4787 abi_long ret;
5f106811
APR		 4788 int host_cmd = target_to_host_fcntl_cmd(cmd);
4789
4790 if (host_cmd == -TARGET_EINVAL)
4791 return host_cmd;
53a5960a 4792
7775e9ec
FB		 4793 switch(cmd) {
4794 case TARGET_F_GETLK:
579a97f7
FB		 4795 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4796 return -TARGET_EFAULT;
2ba7f730
LV		 4797 fl.l_type =
4798 target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
5813427b 4799 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4800 fl.l_start = tswapal(target_fl->l_start);
4801 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4802 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 4803 unlock_user_struct(target_fl, arg, 0);
5f106811 4804 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4805 if (ret == 0) {
579a97f7
FB		 4806 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
4807 return -TARGET_EFAULT;
2ba7f730
LV		 4808 target_fl->l_type =
4809 host_to_target_bitmask(tswap16(fl.l_type), flock_tbl);
7775e9ec 4810 target_fl->l_whence = tswap16(fl.l_whence);
cbb21eed
MB		 4811 target_fl->l_start = tswapal(fl.l_start);
4812 target_fl->l_len = tswapal(fl.l_len);
7e22e546 4813 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 4814 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 4815 }
4816 break;
3b46e624 4817
7775e9ec
FB		 4818 case TARGET_F_SETLK:
4819 case TARGET_F_SETLKW:
579a97f7
FB		 4820 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4821 return -TARGET_EFAULT;
2ba7f730
LV		 4822 fl.l_type =
4823 target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
7775e9ec 4824 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4825 fl.l_start = tswapal(target_fl->l_start);
4826 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4827 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 4828 unlock_user_struct(target_fl, arg, 0);
5f106811 4829 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4830 break;
3b46e624 4831
7775e9ec 4832 case TARGET_F_GETLK64:
579a97f7
FB		 4833 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4834 return -TARGET_EFAULT;
2ba7f730
LV		 4835 fl64.l_type =
4836 target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
5813427b 4837 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4838 fl64.l_start = tswap64(target_fl64->l_start);
4839 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4840 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 4841 unlock_user_struct(target_fl64, arg, 0);
5f106811 4842 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 4843 if (ret == 0) {
579a97f7
FB		 4844 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
4845 return -TARGET_EFAULT;
2ba7f730
LV		 4846 target_fl64->l_type =
4847 host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1;
43f238d7 4848 target_fl64->l_whence = tswap16(fl64.l_whence);
cbb21eed
MB		 4849 target_fl64->l_start = tswap64(fl64.l_start);
4850 target_fl64->l_len = tswap64(fl64.l_len);
7e22e546 4851 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 4852 unlock_user_struct(target_fl64, arg, 1);
4853 }
9ee1fa2c 4854 break;
7775e9ec
FB		 4855 case TARGET_F_SETLK64:
4856 case TARGET_F_SETLKW64:
579a97f7
FB		 4857 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4858 return -TARGET_EFAULT;
2ba7f730
LV		 4859 fl64.l_type =
4860 target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
43f238d7 4861 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4862 fl64.l_start = tswap64(target_fl64->l_start);
4863 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4864 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 4865 unlock_user_struct(target_fl64, arg, 0);
5f106811 4866 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 4867 break;
4868
5f106811
APR		 4869 case TARGET_F_GETFL:
4870 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 4871 if (ret >= 0) {
4872 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4873 }
ffa65c3b
FB		 4874 break;
4875
5f106811
APR		 4876 case TARGET_F_SETFL:
4877 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4878 break;
4879
8d5d3004
AS		 4880#ifdef F_GETOWN_EX
4881 case TARGET_F_GETOWN_EX:
4882 ret = get_errno(fcntl(fd, host_cmd, &fox));
4883 if (ret >= 0) {
4884 if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
4885 return -TARGET_EFAULT;
4886 target_fox->type = tswap32(fox.type);
4887 target_fox->pid = tswap32(fox.pid);
4888 unlock_user_struct(target_fox, arg, 1);
4889 }
4890 break;
4891#endif
4892
4893#ifdef F_SETOWN_EX
4894 case TARGET_F_SETOWN_EX:
4895 if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
4896 return -TARGET_EFAULT;
4897 fox.type = tswap32(target_fox->type);
4898 fox.pid = tswap32(target_fox->pid);
4899 unlock_user_struct(target_fox, arg, 0);
4900 ret = get_errno(fcntl(fd, host_cmd, &fox));
4901 break;
4902#endif
4903
5f106811
APR		 4904 case TARGET_F_SETOWN:
4905 case TARGET_F_GETOWN:
4906 case TARGET_F_SETSIG:
4907 case TARGET_F_GETSIG:
7e22e546
UH		 4908 case TARGET_F_SETLEASE:
4909 case TARGET_F_GETLEASE:
5f106811 4910 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 4911 break;
4912
7775e9ec 4913 default:
9ee1fa2c 4914 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 4915 break;
4916 }
4917 return ret;
4918}
4919
67867308 4920#ifdef USE_UID16
7775e9ec 4921
67867308
FB		 4922static inline int high2lowuid(int uid)
4923{
4924 if (uid > 65535)
4925 return 65534;
4926 else
4927 return uid;
4928}
4929
4930static inline int high2lowgid(int gid)
4931{
4932 if (gid > 65535)
4933 return 65534;
4934 else
4935 return gid;
4936}
4937
4938static inline int low2highuid(int uid)
4939{
4940 if ((int16_t)uid == -1)
4941 return -1;
4942 else
4943 return uid;
4944}
4945
4946static inline int low2highgid(int gid)
4947{
4948 if ((int16_t)gid == -1)
4949 return -1;
4950 else
4951 return gid;
4952}
0c866a7e
RV		 4953static inline int tswapid(int id)
4954{
4955 return tswap16(id);
4956}
76ca310a
PM		 4957
4958#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
4959
0c866a7e
RV		 4960#else /* !USE_UID16 */
4961static inline int high2lowuid(int uid)
4962{
4963 return uid;
4964}
4965static inline int high2lowgid(int gid)
4966{
4967 return gid;
4968}
4969static inline int low2highuid(int uid)
4970{
4971 return uid;
4972}
4973static inline int low2highgid(int gid)
4974{
4975 return gid;
4976}
4977static inline int tswapid(int id)
4978{
4979 return tswap32(id);
4980}
76ca310a
PM		 4981
4982#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
4983
67867308 4984#endif /* USE_UID16 */
1b6b029e 4985
31e31b8a
FB		 4986void syscall_init(void)
4987{
2ab83ea7
FB		 4988 IOCTLEntry *ie;
4989 const argtype *arg_type;
4990 int size;
b92c47c1 4991 int i;
2ab83ea7 4992
8be656b8
AG		 4993 thunk_init(STRUCT_MAX);
4994
001faf32 4995#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 4996#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 4997#include "syscall_types.h"
4998#undef STRUCT
4999#undef STRUCT_SPECIAL
2ab83ea7 5000
dd6e957a
PM		 5001 /* Build target_to_host_errno_table[] table from
5002 * host_to_target_errno_table[]. */
5003 for (i = 0; i < ERRNO_TABLE_SIZE; i++) {
5004 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
5005 }
5006
2ab83ea7
FB		 5007 /* we patch the ioctl size if necessary. We rely on the fact that
5008 no ioctl has all the bits at '1' in the size field */
5009 ie = ioctl_entries;
5010 while (ie->target_cmd != 0) {
5011 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
5012 TARGET_IOC_SIZEMASK) {
5013 arg_type = ie->arg_type;
5014 if (arg_type[0] != TYPE_PTR) {
5fafdf24 5015 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 5016 ie->target_cmd);
5017 exit(1);
5018 }
5019 arg_type++;
5020 size = thunk_type_size(arg_type, 0);
5fafdf24 5021 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 5022 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
5023 (size << TARGET_IOC_SIZESHIFT);
5024 }
b92c47c1 5025
2ab83ea7 5026 /* automatic consistency check if same arch */
872ea0c0
AZ		 5027#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
5028 (defined(__x86_64__) && defined(TARGET_X86_64))
5029 if (unlikely(ie->target_cmd != ie->host_cmd)) {
5030 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
5031 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 5032 }
5033#endif
5034 ie++;
5035 }
31e31b8a 5036}
c573ff67 5037
992f48a0 5038#if TARGET_ABI_BITS == 32
ce4defa0
PB		 5039static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
5040{
af325d36 5041#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 5042 return ((uint64_t)word0 << 32) | word1;
5043#else
5044 return ((uint64_t)word1 << 32) | word0;
5045#endif
5046}
992f48a0 5047#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 5048static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
5049{
5050 return word0;
5051}
992f48a0 5052#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 5053
5054#ifdef TARGET_NR_truncate64
992f48a0
BS		 5055static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
5056 abi_long arg2,
5057 abi_long arg3,
5058 abi_long arg4)
ce4defa0 5059{
48e515d4 5060 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 5061 arg2 = arg3;
5062 arg3 = arg4;
48e515d4 5063 }
ce4defa0
PB		 5064 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
5065}
5066#endif
5067
5068#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 5069static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
5070 abi_long arg2,
5071 abi_long arg3,
5072 abi_long arg4)
ce4defa0 5073{
48e515d4 5074 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 5075 arg2 = arg3;
5076 arg3 = arg4;
48e515d4 5077 }
ce4defa0
PB		 5078 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
5079}
5080#endif
5081
579a97f7
FB		 5082static inline abi_long target_to_host_timespec(struct timespec *host_ts,
5083 abi_ulong target_addr)
53a5960a
PB		 5084{
5085 struct target_timespec *target_ts;
5086
579a97f7
FB		 5087 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
5088 return -TARGET_EFAULT;
cbb21eed
MB		 5089 host_ts->tv_sec = tswapal(target_ts->tv_sec);
5090 host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
53a5960a 5091 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 5092 return 0;
53a5960a
PB		 5093}
5094
579a97f7
FB		 5095static inline abi_long host_to_target_timespec(abi_ulong target_addr,
5096 struct timespec *host_ts)
53a5960a
PB		 5097{
5098 struct target_timespec *target_ts;
5099
579a97f7
FB		 5100 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
5101 return -TARGET_EFAULT;
cbb21eed
MB		 5102 target_ts->tv_sec = tswapal(host_ts->tv_sec);
5103 target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
53a5960a 5104 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 5105 return 0;
53a5960a
PB		 5106}
5107
f4f1e10a
ECL		 5108static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec,
5109 abi_ulong target_addr)
5110{
5111 struct target_itimerspec *target_itspec;
5112
5113 if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) {
5114 return -TARGET_EFAULT;
5115 }
5116
5117 host_itspec->it_interval.tv_sec =
5118 tswapal(target_itspec->it_interval.tv_sec);
5119 host_itspec->it_interval.tv_nsec =
5120 tswapal(target_itspec->it_interval.tv_nsec);
5121 host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec);
5122 host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec);
5123
5124 unlock_user_struct(target_itspec, target_addr, 1);
5125 return 0;
5126}
5127
5128static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
5129 struct itimerspec *host_its)
5130{
5131 struct target_itimerspec *target_itspec;
5132
5133 if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) {
5134 return -TARGET_EFAULT;
5135 }
5136
5137 target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec);
5138 target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec);
5139
5140 target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec);
5141 target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec);
5142
5143 unlock_user_struct(target_itspec, target_addr, 0);
5144 return 0;
5145}
5146
c065976f
PM		 5147static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp,
5148 abi_ulong target_addr)
5149{
5150 struct target_sigevent *target_sevp;
5151
5152 if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) {
5153 return -TARGET_EFAULT;
5154 }
5155
5156 /* This union is awkward on 64 bit systems because it has a 32 bit
5157 * integer and a pointer in it; we follow the conversion approach
5158 * used for handling sigval types in signal.c so the guest should get
5159 * the correct value back even if we did a 64 bit byteswap and it's
5160 * using the 32 bit integer.
5161 */
5162 host_sevp->sigev_value.sival_ptr =
5163 (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr);
5164 host_sevp->sigev_signo =
5165 target_to_host_signal(tswap32(target_sevp->sigev_signo));
5166 host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify);
5167 host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid);
5168
5169 unlock_user_struct(target_sevp, target_addr, 1);
5170 return 0;
5171}
5172
6f6a4032
TM		 5173#if defined(TARGET_NR_mlockall)
5174static inline int target_to_host_mlockall_arg(int arg)
5175{
5176 int result = 0;
5177
5178 if (arg & TARGET_MLOCKALL_MCL_CURRENT) {
5179 result |= MCL_CURRENT;
5180 }
5181 if (arg & TARGET_MLOCKALL_MCL_FUTURE) {
5182 result |= MCL_FUTURE;
5183 }
5184 return result;
5185}
5186#endif
5187
9d33b76b 5188#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 5189static inline abi_long host_to_target_stat64(void *cpu_env,
5190 abi_ulong target_addr,
5191 struct stat *host_st)
5192{
09701199 5193#if defined(TARGET_ARM) && defined(TARGET_ABI32)
6a24a778
AZ		 5194 if (((CPUARMState *)cpu_env)->eabi) {
5195 struct target_eabi_stat64 *target_st;
5196
5197 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
5198 return -TARGET_EFAULT;
5199 memset(target_st, 0, sizeof(struct target_eabi_stat64));
5200 __put_user(host_st->st_dev, &target_st->st_dev);
5201 __put_user(host_st->st_ino, &target_st->st_ino);
5202#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
5203 __put_user(host_st->st_ino, &target_st->__st_ino);
5204#endif
5205 __put_user(host_st->st_mode, &target_st->st_mode);
5206 __put_user(host_st->st_nlink, &target_st->st_nlink);
5207 __put_user(host_st->st_uid, &target_st->st_uid);
5208 __put_user(host_st->st_gid, &target_st->st_gid);
5209 __put_user(host_st->st_rdev, &target_st->st_rdev);
5210 __put_user(host_st->st_size, &target_st->st_size);
5211 __put_user(host_st->st_blksize, &target_st->st_blksize);
5212 __put_user(host_st->st_blocks, &target_st->st_blocks);
5213 __put_user(host_st->st_atime, &target_st->target_st_atime);
5214 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
5215 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
5216 unlock_user_struct(target_st, target_addr, 1);
5217 } else
5218#endif
5219 {
20d155bc 5220#if defined(TARGET_HAS_STRUCT_STAT64)
6a24a778 5221 struct target_stat64 *target_st;
20d155bc
SW		 5222#else
5223 struct target_stat *target_st;
9d33b76b 5224#endif
6a24a778
AZ		 5225
5226 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
5227 return -TARGET_EFAULT;
9d33b76b 5228 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 5229 __put_user(host_st->st_dev, &target_st->st_dev);
5230 __put_user(host_st->st_ino, &target_st->st_ino);
5231#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
5232 __put_user(host_st->st_ino, &target_st->__st_ino);
5233#endif
5234 __put_user(host_st->st_mode, &target_st->st_mode);
5235 __put_user(host_st->st_nlink, &target_st->st_nlink);
5236 __put_user(host_st->st_uid, &target_st->st_uid);
5237 __put_user(host_st->st_gid, &target_st->st_gid);
5238 __put_user(host_st->st_rdev, &target_st->st_rdev);
5239 /* XXX: better use of kernel struct */
5240 __put_user(host_st->st_size, &target_st->st_size);
5241 __put_user(host_st->st_blksize, &target_st->st_blksize);
5242 __put_user(host_st->st_blocks, &target_st->st_blocks);
5243 __put_user(host_st->st_atime, &target_st->target_st_atime);
5244 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
5245 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
5246 unlock_user_struct(target_st, target_addr, 1);
5247 }
5248
5249 return 0;
5250}
5251#endif
5252
bd0c5661
PB		 5253/* ??? Using host futex calls even when target atomic operations
5254 are not really atomic probably breaks things. However implementing
5255 futexes locally would make futexes shared between multiple processes
5256 tricky. However they're probably useless because guest atomic
5257 operations won't work either. */
8fcd3692
BS		 5258static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
5259 target_ulong uaddr2, int val3)
bd0c5661
PB		 5260{
5261 struct timespec ts, *pts;
a16aae0c 5262 int base_op;
bd0c5661
PB		 5263
5264 /* ??? We assume FUTEX_* constants are the same on both host
5265 and target. */
a29ccd63 5266#ifdef FUTEX_CMD_MASK
a16aae0c 5267 base_op = op & FUTEX_CMD_MASK;
a29ccd63 5268#else
a16aae0c 5269 base_op = op;
a29ccd63 5270#endif
a16aae0c 5271 switch (base_op) {
bd0c5661 5272 case FUTEX_WAIT:
cce246e0 5273 case FUTEX_WAIT_BITSET:
bd0c5661
PB		 5274 if (timeout) {
5275 pts = &ts;
5276 target_to_host_timespec(pts, timeout);
5277 } else {
5278 pts = NULL;
5279 }
a29ccd63 5280 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
cce246e0 5281 pts, NULL, val3));
bd0c5661 5282 case FUTEX_WAKE:
a29ccd63 5283 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 5284 case FUTEX_FD:
a29ccd63 5285 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 5286 case FUTEX_REQUEUE:
bd0c5661 5287 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 5288 case FUTEX_WAKE_OP:
5289 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
5290 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
5291 But the prototype takes a `struct timespec *'; insert casts
5292 to satisfy the compiler. We do not need to tswap TIMEOUT
5293 since it's not compared to guest memory. */
5294 pts = (struct timespec *)(uintptr_t) timeout;
5295 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
5296 g2h(uaddr2),
5297 (base_op == FUTEX_CMP_REQUEUE
5298 ? tswap32(val3)
5299 : val3)));
bd0c5661
PB		 5300 default:
5301 return -TARGET_ENOSYS;
5302 }
5303}
0f0426f3
LV		 5304#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
5305static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname,
5306 abi_long handle, abi_long mount_id,
5307 abi_long flags)
5308{
5309 struct file_handle *target_fh;
5310 struct file_handle *fh;
5311 int mid = 0;
5312 abi_long ret;
5313 char *name;
5314 unsigned int size, total_size;
5315
5316 if (get_user_s32(size, handle)) {
5317 return -TARGET_EFAULT;
5318 }
5319
5320 name = lock_user_string(pathname);
5321 if (!name) {
5322 return -TARGET_EFAULT;
5323 }
5324
5325 total_size = sizeof(struct file_handle) + size;
5326 target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0);
5327 if (!target_fh) {
5328 unlock_user(name, pathname, 0);
5329 return -TARGET_EFAULT;
5330 }
5331
5332 fh = g_malloc0(total_size);
5333 fh->handle_bytes = size;
5334
5335 ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags));
5336 unlock_user(name, pathname, 0);
5337
5338 /* man name_to_handle_at(2):
5339 * Other than the use of the handle_bytes field, the caller should treat
5340 * the file_handle structure as an opaque data type
5341 */
5342
5343 memcpy(target_fh, fh, total_size);
5344 target_fh->handle_bytes = tswap32(fh->handle_bytes);
5345 target_fh->handle_type = tswap32(fh->handle_type);
5346 g_free(fh);
5347 unlock_user(target_fh, handle, total_size);
5348
5349 if (put_user_s32(mid, mount_id)) {
5350 return -TARGET_EFAULT;
5351 }
5352
5353 return ret;
5354
5355}
5356#endif
5357
5358#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
5359static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle,
5360 abi_long flags)
5361{
5362 struct file_handle *target_fh;
5363 struct file_handle *fh;
5364 unsigned int size, total_size;
5365 abi_long ret;
5366
5367 if (get_user_s32(size, handle)) {
5368 return -TARGET_EFAULT;
5369 }
5370
5371 total_size = sizeof(struct file_handle) + size;
5372 target_fh = lock_user(VERIFY_READ, handle, total_size, 1);
5373 if (!target_fh) {
5374 return -TARGET_EFAULT;
5375 }
5376
e9d49d51 5377 fh = g_memdup(target_fh, total_size);
0f0426f3
LV		 5378 fh->handle_bytes = size;
5379 fh->handle_type = tswap32(target_fh->handle_type);
5380
5381 ret = get_errno(open_by_handle_at(mount_fd, fh,
5382 target_to_host_bitmask(flags, fcntl_flags_tbl)));
5383
5384 g_free(fh);
5385
5386 unlock_user(target_fh, handle, total_size);
5387
5388 return ret;
5389}
5390#endif
bd0c5661 5391
e36800c9
LV		 5392#if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4)
5393
5394/* signalfd siginfo conversion */
5395
5396static void
5397host_to_target_signalfd_siginfo(struct signalfd_siginfo *tinfo,
5398 const struct signalfd_siginfo *info)
5399{
5400 int sig = host_to_target_signal(info->ssi_signo);
5401
5402 /* linux/signalfd.h defines a ssi_addr_lsb
5403 * not defined in sys/signalfd.h but used by some kernels
5404 */
5405
5406#ifdef BUS_MCEERR_AO
5407 if (tinfo->ssi_signo == SIGBUS &&
5408 (tinfo->ssi_code == BUS_MCEERR_AR ||
5409 tinfo->ssi_code == BUS_MCEERR_AO)) {
5410 uint16_t *ssi_addr_lsb = (uint16_t *)(&info->ssi_addr + 1);
5411 uint16_t *tssi_addr_lsb = (uint16_t *)(&tinfo->ssi_addr + 1);
5412 *tssi_addr_lsb = tswap16(*ssi_addr_lsb);
5413 }
5414#endif
5415
5416 tinfo->ssi_signo = tswap32(sig);
5417 tinfo->ssi_errno = tswap32(tinfo->ssi_errno);
5418 tinfo->ssi_code = tswap32(info->ssi_code);
5419 tinfo->ssi_pid = tswap32(info->ssi_pid);
5420 tinfo->ssi_uid = tswap32(info->ssi_uid);
5421 tinfo->ssi_fd = tswap32(info->ssi_fd);
5422 tinfo->ssi_tid = tswap32(info->ssi_tid);
5423 tinfo->ssi_band = tswap32(info->ssi_band);
5424 tinfo->ssi_overrun = tswap32(info->ssi_overrun);
5425 tinfo->ssi_trapno = tswap32(info->ssi_trapno);
5426 tinfo->ssi_status = tswap32(info->ssi_status);
5427 tinfo->ssi_int = tswap32(info->ssi_int);
5428 tinfo->ssi_ptr = tswap64(info->ssi_ptr);
5429 tinfo->ssi_utime = tswap64(info->ssi_utime);
5430 tinfo->ssi_stime = tswap64(info->ssi_stime);
5431 tinfo->ssi_addr = tswap64(info->ssi_addr);
5432}
5433
5434static abi_long host_to_target_signalfd(void *buf, size_t len)
5435{
5436 int i;
5437
5438 for (i = 0; i < len; i += sizeof(struct signalfd_siginfo)) {
5439 host_to_target_signalfd_siginfo(buf + i, buf + i);
5440 }
5441
5442 return len;
5443}
5444
5445static TargetFdTrans target_signalfd_trans = {
5446 .host_to_target = host_to_target_signalfd,
5447};
5448
5449static abi_long do_signalfd4(int fd, abi_long mask, int flags)
5450{
5451 int host_flags;
5452 target_sigset_t *target_mask;
5453 sigset_t host_mask;
5454 abi_long ret;
5455
5456 if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) {
5457 return -TARGET_EINVAL;
5458 }
5459 if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) {
5460 return -TARGET_EFAULT;
5461 }
5462
5463 target_to_host_sigset(&host_mask, target_mask);
5464
5465 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
5466
5467 ret = get_errno(signalfd(fd, &host_mask, host_flags));
5468 if (ret >= 0) {
5469 fd_trans_register(ret, &target_signalfd_trans);
5470 }
5471
5472 unlock_user_struct(target_mask, mask, 0);
5473
5474 return ret;
5475}
5476#endif
5477
1d9d8b55
PB		 5478/* Map host to target signal numbers for the wait family of syscalls.
5479 Assume all other status bits are the same. */
a05c6409 5480int host_to_target_waitstatus(int status)
1d9d8b55
PB		 5481{
5482 if (WIFSIGNALED(status)) {
5483 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
5484 }
5485 if (WIFSTOPPED(status)) {
5486 return (host_to_target_signal(WSTOPSIG(status)) << 8)
5487 | (status & 0xff);
5488 }
5489 return status;
5490}
5491
76b94245
WVS		 5492static int open_self_cmdline(void *cpu_env, int fd)
5493{
5494 int fd_orig = -1;
5495 bool word_skipped = false;
5496
5497 fd_orig = open("/proc/self/cmdline", O_RDONLY);
5498 if (fd_orig < 0) {
5499 return fd_orig;
5500 }
5501
5502 while (true) {
5503 ssize_t nb_read;
5504 char buf[128];
5505 char *cp_buf = buf;
5506
5507 nb_read = read(fd_orig, buf, sizeof(buf));
5508 if (nb_read < 0) {
5509 fd_orig = close(fd_orig);
5510 return -1;
5511 } else if (nb_read == 0) {
5512 break;
5513 }
5514
5515 if (!word_skipped) {
5516 /* Skip the first string, which is the path to qemu-*-static
5517 instead of the actual command. */
5518 cp_buf = memchr(buf, 0, sizeof(buf));
5519 if (cp_buf) {
5520 /* Null byte found, skip one string */
5521 cp_buf++;
5522 nb_read -= cp_buf - buf;
5523 word_skipped = true;
5524 }
5525 }
5526
5527 if (word_skipped) {
5528 if (write(fd, cp_buf, nb_read) != nb_read) {
680dfde9 5529 close(fd_orig);
76b94245
WVS		 5530 return -1;
5531 }
5532 }
5533 }
5534
5535 return close(fd_orig);
5536}
5537
36c08d49
AG		 5538static int open_self_maps(void *cpu_env, int fd)
5539{
0429a971
AF		 5540 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
5541 TaskState *ts = cpu->opaque;
1a49ef2a
AG		 5542 FILE *fp;
5543 char *line = NULL;
5544 size_t len = 0;
5545 ssize_t read;
5546
5547 fp = fopen("/proc/self/maps", "r");
5548 if (fp == NULL) {
5549 return -EACCES;
5550 }
36c08d49 5551
1a49ef2a
AG		 5552 while ((read = getline(&line, &len, fp)) != -1) {
5553 int fields, dev_maj, dev_min, inode;
5554 uint64_t min, max, offset;
5555 char flag_r, flag_w, flag_x, flag_p;
5556 char path[512] = "";
5557 fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
5558 " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
5559 &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
5560
5561 if ((fields < 10) || (fields > 11)) {
5562 continue;
5563 }
d67f4aaa
MI		 5564 if (h2g_valid(min)) {
5565 int flags = page_get_flags(h2g(min));
5566 max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX);
5567 if (page_check_range(h2g(min), max - min, flags) == -1) {
5568 continue;
5569 }
5570 if (h2g(min) == ts->info->stack_limit) {
5571 pstrcpy(path, sizeof(path), " [stack]");
5572 }
1a49ef2a 5573 dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
e24fed4e 5574 " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n",
d67f4aaa 5575 h2g(min), h2g(max - 1) + 1, flag_r, flag_w,
1a49ef2a 5576 flag_x, flag_p, offset, dev_maj, dev_min, inode,
e24fed4e 5577 path[0] ? " " : "", path);
1a49ef2a
AG		 5578 }
5579 }
5580
5581 free(line);
5582 fclose(fp);
5583
36c08d49
AG		 5584 return 0;
5585}
5586
480b8e7d
AG		 5587static int open_self_stat(void *cpu_env, int fd)
5588{
0429a971
AF		 5589 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
5590 TaskState *ts = cpu->opaque;
480b8e7d
AG		 5591 abi_ulong start_stack = ts->info->start_stack;
5592 int i;
5593
5594 for (i = 0; i < 44; i++) {
5595 char buf[128];
5596 int len;
5597 uint64_t val = 0;
5598
e0e65bee
FE		 5599 if (i == 0) {
5600 /* pid */
5601 val = getpid();
5602 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5603 } else if (i == 1) {
5604 /* app name */
5605 snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
5606 } else if (i == 27) {
5607 /* stack bottom */
5608 val = start_stack;
5609 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5610 } else {
5611 /* for the rest, there is MasterCard */
5612 snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
480b8e7d 5613 }
e0e65bee 5614
480b8e7d
AG		 5615 len = strlen(buf);
5616 if (write(fd, buf, len) != len) {
5617 return -1;
5618 }
5619 }
5620
5621 return 0;
5622}
5623
257450ee
AG		 5624static int open_self_auxv(void *cpu_env, int fd)
5625{
0429a971
AF		 5626 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
5627 TaskState *ts = cpu->opaque;
257450ee
AG		 5628 abi_ulong auxv = ts->info->saved_auxv;
5629 abi_ulong len = ts->info->auxv_len;
5630 char *ptr;
5631
5632 /*
5633 * Auxiliary vector is stored in target process stack.
5634 * read in whole auxv vector and copy it to file
5635 */
5636 ptr = lock_user(VERIFY_READ, auxv, len, 0);
5637 if (ptr != NULL) {
5638 while (len > 0) {
5639 ssize_t r;
5640 r = write(fd, ptr, len);
5641 if (r <= 0) {
5642 break;
5643 }
5644 len -= r;
5645 ptr += r;
5646 }
5647 lseek(fd, 0, SEEK_SET);
5648 unlock_user(ptr, auxv, len);
5649 }
5650
5651 return 0;
5652}
5653
463d8e73
AS		 5654static int is_proc_myself(const char *filename, const char *entry)
5655{
5656 if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
5657 filename += strlen("/proc/");
5658 if (!strncmp(filename, "self/", strlen("self/"))) {
5659 filename += strlen("self/");
5660 } else if (*filename >= '1' && *filename <= '9') {
5661 char myself[80];
5662 snprintf(myself, sizeof(myself), "%d/", getpid());
5663 if (!strncmp(filename, myself, strlen(myself))) {
5664 filename += strlen(myself);
5665 } else {
5666 return 0;
5667 }
5668 } else {
5669 return 0;
5670 }
5671 if (!strcmp(filename, entry)) {
5672 return 1;
5673 }
5674 }
5675 return 0;
5676}
5677
de6b9933
LV		 5678#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
5679static int is_proc(const char *filename, const char *entry)
5680{
5681 return strcmp(filename, entry) == 0;
5682}
5683
5684static int open_net_route(void *cpu_env, int fd)
5685{
5686 FILE *fp;
5687 char *line = NULL;
5688 size_t len = 0;
5689 ssize_t read;
5690
5691 fp = fopen("/proc/net/route", "r");
5692 if (fp == NULL) {
5693 return -EACCES;
5694 }
5695
5696 /* read header */
5697
5698 read = getline(&line, &len, fp);
5699 dprintf(fd, "%s", line);
5700
5701 /* read routes */
5702
5703 while ((read = getline(&line, &len, fp)) != -1) {
5704 char iface[16];
5705 uint32_t dest, gw, mask;
5706 unsigned int flags, refcnt, use, metric, mtu, window, irtt;
5707 sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
5708 iface, &dest, &gw, &flags, &refcnt, &use, &metric,
5709 &mask, &mtu, &window, &irtt);
5710 dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
5711 iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
5712 metric, tswap32(mask), mtu, window, irtt);
5713 }
5714
5715 free(line);
5716 fclose(fp);
5717
5718 return 0;
5719}
5720#endif
5721
0b2effd7 5722static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode)
3be14d05
AG		 5723{
5724 struct fake_open {
5725 const char *filename;
5726 int (*fill)(void *cpu_env, int fd);
de6b9933 5727 int (*cmp)(const char *s1, const char *s2);
3be14d05
AG		 5728 };
5729 const struct fake_open *fake_open;
5730 static const struct fake_open fakes[] = {
de6b9933
LV		 5731 { "maps", open_self_maps, is_proc_myself },
5732 { "stat", open_self_stat, is_proc_myself },
5733 { "auxv", open_self_auxv, is_proc_myself },
76b94245 5734 { "cmdline", open_self_cmdline, is_proc_myself },
de6b9933
LV		 5735#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
5736 { "/proc/net/route", open_net_route, is_proc },
5737#endif
5738 { NULL, NULL, NULL }
3be14d05
AG		 5739 };
5740
aa07f5ec
MO		 5741 if (is_proc_myself(pathname, "exe")) {
5742 int execfd = qemu_getauxval(AT_EXECFD);
0b2effd7 5743 return execfd ? execfd : get_errno(sys_openat(dirfd, exec_path, flags, mode));
aa07f5ec
MO		 5744 }
5745
3be14d05 5746 for (fake_open = fakes; fake_open->filename; fake_open++) {
de6b9933 5747 if (fake_open->cmp(pathname, fake_open->filename)) {
3be14d05
AG		 5748 break;
5749 }
5750 }
5751
5752 if (fake_open->filename) {
5753 const char *tmpdir;
5754 char filename[PATH_MAX];
5755 int fd, r;
5756
5757 /* create temporary file to map stat to */
5758 tmpdir = getenv("TMPDIR");
5759 if (!tmpdir)
5760 tmpdir = "/tmp";
5761 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
5762 fd = mkstemp(filename);
5763 if (fd < 0) {
5764 return fd;
5765 }
5766 unlink(filename);
5767
5768 if ((r = fake_open->fill(cpu_env, fd))) {
5769 close(fd);
5770 return r;
5771 }
5772 lseek(fd, 0, SEEK_SET);
5773
5774 return fd;
5775 }
5776
0b2effd7 5777 return get_errno(sys_openat(dirfd, path(pathname), flags, mode));
3be14d05
AG		 5778}
5779
aecc8861
AG		 5780#define TIMER_MAGIC 0x0caf0000
5781#define TIMER_MAGIC_MASK 0xffff0000
5782
5783/* Convert QEMU provided timer ID back to internal 16bit index format */
5784static target_timer_t get_timer_id(abi_long arg)
5785{
5786 target_timer_t timerid = arg;
5787
5788 if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) {
5789 return -TARGET_EINVAL;
5790 }
5791
5792 timerid &= 0xffff;
5793
5794 if (timerid >= ARRAY_SIZE(g_posix_timers)) {
5795 return -TARGET_EINVAL;
5796 }
5797
5798 return timerid;
5799}
5800
0da46a6e
TS		 5801/* do_syscall() should always have a single exit point at the end so
5802 that actions, such as logging of syscall results, can be performed.
5803 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 5804abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
5805 abi_long arg2, abi_long arg3, abi_long arg4,
5945cfcb
PM		 5806 abi_long arg5, abi_long arg6, abi_long arg7,
5807 abi_long arg8)
31e31b8a 5808{
182735ef 5809 CPUState *cpu = ENV_GET_CPU(cpu_env);
992f48a0 5810 abi_long ret;
31e31b8a 5811 struct stat st;
56c8f68f 5812 struct statfs stfs;
53a5960a 5813 void *p;
3b46e624 5814
72f03900 5815#ifdef DEBUG
c573ff67 5816 gemu_log("syscall %d", num);
72f03900 5817#endif
b92c47c1
TS		 5818 if(do_strace)
5819 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
5820
31e31b8a
FB		 5821 switch(num) {
5822 case TARGET_NR_exit:
9b056fcc
AF		 5823 /* In old applications this may be used to implement _exit(2).
5824 However in threaded applictions it is used for thread termination,
5825 and _exit_group is used for application termination.
5826 Do thread termination if we have more then one thread. */
5827 /* FIXME: This probably breaks if a signal arrives. We should probably
5828 be disabling signals. */
bdc44640 5829 if (CPU_NEXT(first_cpu)) {
9b056fcc 5830 TaskState *ts;
9b056fcc
AF		 5831
5832 cpu_list_lock();
9b056fcc 5833 /* Remove the CPU from the list. */
bdc44640 5834 QTAILQ_REMOVE(&cpus, cpu, node);
9b056fcc 5835 cpu_list_unlock();
0429a971 5836 ts = cpu->opaque;
9b056fcc
AF		 5837 if (ts->child_tidptr) {
5838 put_user_u32(0, ts->child_tidptr);
5839 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
5840 NULL, NULL, 0);
5841 }
a2247f8e 5842 thread_cpu = NULL;
0429a971 5843 object_unref(OBJECT(cpu));
9b056fcc 5844 g_free(ts);
70903763 5845 rcu_unregister_thread();
9b056fcc
AF		 5846 pthread_exit(NULL);
5847 }
9788c9ca 5848#ifdef TARGET_GPROF
7d13299d
FB		 5849 _mcleanup();
5850#endif
e9009676 5851 gdb_exit(cpu_env, arg1);
c2764719 5852 _exit(arg1);
31e31b8a
FB		 5853 ret = 0; /* avoid warning */
5854 break;
5855 case TARGET_NR_read:
38d840e6
AJ		 5856 if (arg3 == 0)
5857 ret = 0;
5858 else {
5859 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5860 goto efault;
5861 ret = get_errno(read(arg1, p, arg3));
e36800c9
LV		 5862 if (ret >= 0 &&
5863 fd_trans_host_to_target(arg1)) {
5864 ret = fd_trans_host_to_target(arg1)(p, ret);
5865 }
38d840e6
AJ		 5866 unlock_user(p, arg2, ret);
5867 }
31e31b8a
FB		 5868 break;
5869 case TARGET_NR_write:
579a97f7
FB		 5870 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5871 goto efault;
53a5960a
PB		 5872 ret = get_errno(write(arg1, p, arg3));
5873 unlock_user(p, arg2, 0);
31e31b8a 5874 break;
704eff6c 5875#ifdef TARGET_NR_open
31e31b8a 5876 case TARGET_NR_open:
2f619698
FB		 5877 if (!(p = lock_user_string(arg1)))
5878 goto efault;
0b2effd7
RV		 5879 ret = get_errno(do_openat(cpu_env, AT_FDCWD, p,
5880 target_to_host_bitmask(arg2, fcntl_flags_tbl),
5881 arg3));
e36800c9 5882 fd_trans_unregister(ret);
53a5960a 5883 unlock_user(p, arg1, 0);
31e31b8a 5884 break;
704eff6c 5885#endif
82424832 5886 case TARGET_NR_openat:
579a97f7
FB		 5887 if (!(p = lock_user_string(arg2)))
5888 goto efault;
0b2effd7
RV		 5889 ret = get_errno(do_openat(cpu_env, arg1, p,
5890 target_to_host_bitmask(arg3, fcntl_flags_tbl),
5891 arg4));
e36800c9 5892 fd_trans_unregister(ret);
579a97f7 5893 unlock_user(p, arg2, 0);
82424832 5894 break;
0f0426f3
LV		 5895#if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
5896 case TARGET_NR_name_to_handle_at:
5897 ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5);
5898 break;
5899#endif
5900#if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE)
5901 case TARGET_NR_open_by_handle_at:
5902 ret = do_open_by_handle_at(arg1, arg2, arg3);
e36800c9 5903 fd_trans_unregister(ret);
0f0426f3
LV		 5904 break;
5905#endif
31e31b8a 5906 case TARGET_NR_close:
e36800c9 5907 fd_trans_unregister(arg1);
31e31b8a
FB		 5908 ret = get_errno(close(arg1));
5909 break;
5910 case TARGET_NR_brk:
53a5960a 5911 ret = do_brk(arg1);
31e31b8a 5912 break;
704eff6c 5913#ifdef TARGET_NR_fork
31e31b8a 5914 case TARGET_NR_fork:
d865bab5 5915 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 5916 break;
704eff6c 5917#endif
e5febef5 5918#ifdef TARGET_NR_waitpid
31e31b8a
FB		 5919 case TARGET_NR_waitpid:
5920 {
53a5960a
PB		 5921 int status;
5922 ret = get_errno(waitpid(arg1, &status, arg3));
5379557b 5923 if (!is_error(ret) && arg2 && ret
1d9d8b55 5924 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 5925 goto efault;
31e31b8a
FB		 5926 }
5927 break;
e5febef5 5928#endif
f0cbb613
PB		 5929#ifdef TARGET_NR_waitid
5930 case TARGET_NR_waitid:
5931 {
5932 siginfo_t info;
5933 info.si_pid = 0;
5934 ret = get_errno(waitid(arg1, arg2, &info, arg4));
5935 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 5936 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 5937 goto efault;
5938 host_to_target_siginfo(p, &info);
c227f099 5939 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 5940 }
5941 }
5942 break;
5943#endif
7a3148a9 5944#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 5945 case TARGET_NR_creat:
579a97f7
FB		 5946 if (!(p = lock_user_string(arg1)))
5947 goto efault;
53a5960a 5948 ret = get_errno(creat(p, arg2));
e36800c9 5949 fd_trans_unregister(ret);
53a5960a 5950 unlock_user(p, arg1, 0);
31e31b8a 5951 break;
7a3148a9 5952#endif
704eff6c 5953#ifdef TARGET_NR_link
31e31b8a 5954 case TARGET_NR_link:
53a5960a
PB		 5955 {
5956 void * p2;
5957 p = lock_user_string(arg1);
5958 p2 = lock_user_string(arg2);
579a97f7
FB		 5959 if (!p || !p2)
5960 ret = -TARGET_EFAULT;
5961 else
5962 ret = get_errno(link(p, p2));
53a5960a
PB		 5963 unlock_user(p2, arg2, 0);
5964 unlock_user(p, arg1, 0);
5965 }
31e31b8a 5966 break;
704eff6c 5967#endif
c0d472b1 5968#if defined(TARGET_NR_linkat)
64f0ce4c 5969 case TARGET_NR_linkat:
64f0ce4c
TS		 5970 {
5971 void * p2 = NULL;
579a97f7
FB		 5972 if (!arg2 || !arg4)
5973 goto efault;
64f0ce4c
TS		 5974 p = lock_user_string(arg2);
5975 p2 = lock_user_string(arg4);
579a97f7 5976 if (!p || !p2)
0da46a6e 5977 ret = -TARGET_EFAULT;
64f0ce4c 5978 else
c0d472b1 5979 ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 5980 unlock_user(p, arg2, 0);
5981 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 5982 }
5983 break;
5984#endif
704eff6c 5985#ifdef TARGET_NR_unlink
31e31b8a 5986 case TARGET_NR_unlink:
579a97f7
FB		 5987 if (!(p = lock_user_string(arg1)))
5988 goto efault;
53a5960a
PB		 5989 ret = get_errno(unlink(p));
5990 unlock_user(p, arg1, 0);
31e31b8a 5991 break;
704eff6c 5992#endif
c0d472b1 5993#if defined(TARGET_NR_unlinkat)
8170f56b 5994 case TARGET_NR_unlinkat:
579a97f7
FB		 5995 if (!(p = lock_user_string(arg2)))
5996 goto efault;
c0d472b1 5997 ret = get_errno(unlinkat(arg1, p, arg3));
579a97f7 5998 unlock_user(p, arg2, 0);
ed494d87 5999 break;
b7d35e65 6000#endif
31e31b8a 6001 case TARGET_NR_execve:
7854b056
FB		 6002 {
6003 char **argp, **envp;
f7341ff4 6004 int argc, envc;
992f48a0
BS		 6005 abi_ulong gp;
6006 abi_ulong guest_argp;
6007 abi_ulong guest_envp;
6008 abi_ulong addr;
7854b056 6009 char **q;
a6f79cc9 6010 int total_size = 0;
7854b056 6011
f7341ff4 6012 argc = 0;
53a5960a 6013 guest_argp = arg2;
da94d263 6014 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 6015 if (get_user_ual(addr, gp))
2f619698 6016 goto efault;
03aa1976 6017 if (!addr)
2f619698 6018 break;
7854b056 6019 argc++;
2f619698 6020 }
f7341ff4 6021 envc = 0;
53a5960a 6022 guest_envp = arg3;
da94d263 6023 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 6024 if (get_user_ual(addr, gp))
2f619698 6025 goto efault;
03aa1976 6026 if (!addr)
2f619698 6027 break;
7854b056 6028 envc++;
2f619698 6029 }
7854b056 6030
f7341ff4
FB		 6031 argp = alloca((argc + 1) * sizeof(void *));
6032 envp = alloca((envc + 1) * sizeof(void *));
7854b056 6033
da94d263 6034 for (gp = guest_argp, q = argp; gp;
992f48a0 6035 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 6036 if (get_user_ual(addr, gp))
6037 goto execve_efault;
53a5960a
PB		 6038 if (!addr)
6039 break;
2f619698
FB		 6040 if (!(*q = lock_user_string(addr)))
6041 goto execve_efault;
a6f79cc9 6042 total_size += strlen(*q) + 1;
53a5960a 6043 }
f7341ff4
FB		 6044 *q = NULL;
6045
da94d263 6046 for (gp = guest_envp, q = envp; gp;
992f48a0 6047 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 6048 if (get_user_ual(addr, gp))
6049 goto execve_efault;
53a5960a
PB		 6050 if (!addr)
6051 break;
2f619698
FB		 6052 if (!(*q = lock_user_string(addr)))
6053 goto execve_efault;
a6f79cc9 6054 total_size += strlen(*q) + 1;
53a5960a 6055 }
f7341ff4 6056 *q = NULL;
7854b056 6057
2f619698
FB		 6058 if (!(p = lock_user_string(arg1)))
6059 goto execve_efault;
53a5960a
PB		 6060 ret = get_errno(execve(p, argp, envp));
6061 unlock_user(p, arg1, 0);
6062
2f619698
FB		 6063 goto execve_end;
6064
6065 execve_efault:
6066 ret = -TARGET_EFAULT;
6067
6068 execve_end:
53a5960a 6069 for (gp = guest_argp, q = argp; *q;
992f48a0 6070 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 6071 if (get_user_ual(addr, gp)
6072 || !addr)
6073 break;
53a5960a
PB		 6074 unlock_user(*q, addr, 0);
6075 }
6076 for (gp = guest_envp, q = envp; *q;
992f48a0 6077 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 6078 if (get_user_ual(addr, gp)
6079 || !addr)
6080 break;
53a5960a
PB		 6081 unlock_user(*q, addr, 0);
6082 }
7854b056 6083 }
31e31b8a
FB		 6084 break;
6085 case TARGET_NR_chdir:
579a97f7
FB		 6086 if (!(p = lock_user_string(arg1)))
6087 goto efault;
53a5960a
PB		 6088 ret = get_errno(chdir(p));
6089 unlock_user(p, arg1, 0);
31e31b8a 6090 break;
a315a145 6091#ifdef TARGET_NR_time
31e31b8a
FB		 6092 case TARGET_NR_time:
6093 {
53a5960a
PB		 6094 time_t host_time;
6095 ret = get_errno(time(&host_time));
2f619698
FB		 6096 if (!is_error(ret)
6097 && arg1
6098 && put_user_sal(host_time, arg1))
6099 goto efault;
31e31b8a
FB		 6100 }
6101 break;
a315a145 6102#endif
704eff6c 6103#ifdef TARGET_NR_mknod
31e31b8a 6104 case TARGET_NR_mknod:
579a97f7
FB		 6105 if (!(p = lock_user_string(arg1)))
6106 goto efault;
53a5960a
PB		 6107 ret = get_errno(mknod(p, arg2, arg3));
6108 unlock_user(p, arg1, 0);
31e31b8a 6109 break;
704eff6c 6110#endif
c0d472b1 6111#if defined(TARGET_NR_mknodat)
75ac37a0 6112 case TARGET_NR_mknodat:
579a97f7
FB		 6113 if (!(p = lock_user_string(arg2)))
6114 goto efault;
c0d472b1 6115 ret = get_errno(mknodat(arg1, p, arg3, arg4));
579a97f7 6116 unlock_user(p, arg2, 0);
75ac37a0
TS		 6117 break;
6118#endif
704eff6c 6119#ifdef TARGET_NR_chmod
31e31b8a 6120 case TARGET_NR_chmod:
579a97f7
FB		 6121 if (!(p = lock_user_string(arg1)))
6122 goto efault;
53a5960a
PB		 6123 ret = get_errno(chmod(p, arg2));
6124 unlock_user(p, arg1, 0);
31e31b8a 6125 break;
704eff6c 6126#endif
ebc05488 6127#ifdef TARGET_NR_break
31e31b8a
FB		 6128 case TARGET_NR_break:
6129 goto unimplemented;
ebc05488
FB		 6130#endif
6131#ifdef TARGET_NR_oldstat
31e31b8a
FB		 6132 case TARGET_NR_oldstat:
6133 goto unimplemented;
ebc05488 6134#endif
31e31b8a
FB		 6135 case TARGET_NR_lseek:
6136 ret = get_errno(lseek(arg1, arg2, arg3));
6137 break;
9231733a
RH		 6138#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
6139 /* Alpha specific */
7a3148a9 6140 case TARGET_NR_getxpid:
9231733a
RH		 6141 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
6142 ret = get_errno(getpid());
6143 break;
7a3148a9 6144#endif
9231733a
RH		 6145#ifdef TARGET_NR_getpid
6146 case TARGET_NR_getpid:
31e31b8a
FB		 6147 ret = get_errno(getpid());
6148 break;
9231733a 6149#endif
31e31b8a 6150 case TARGET_NR_mount:
356d771b
PB		 6151 {
6152 /* need to look at the data field */
6153 void *p2, *p3;
6154
6155 if (arg1) {
6156 p = lock_user_string(arg1);
6157 if (!p) {
6158 goto efault;
6159 }
6160 } else {
6161 p = NULL;
6162 }
6163
6164 p2 = lock_user_string(arg2);
6165 if (!p2) {
6166 if (arg1) {
6167 unlock_user(p, arg1, 0);
6168 }
6169 goto efault;
6170 }
6171
6172 if (arg3) {
6173 p3 = lock_user_string(arg3);
6174 if (!p3) {
6175 if (arg1) {
579a97f7 6176 unlock_user(p, arg1, 0);
356d771b
PB		 6177 }
6178 unlock_user(p2, arg2, 0);
6179 goto efault;
6180 }
6181 } else {
6182 p3 = NULL;
6183 }
6184
6185 /* FIXME - arg5 should be locked, but it isn't clear how to
6186 * do that since it's not guaranteed to be a NULL-terminated
6187 * string.
6188 */
6189 if (!arg5) {
6190 ret = mount(p, p2, p3, (unsigned long)arg4, NULL);
6191 } else {
6192 ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5));
6193 }
6194 ret = get_errno(ret);
6195
6196 if (arg1) {
6197 unlock_user(p, arg1, 0);
6198 }
6199 unlock_user(p2, arg2, 0);
6200 if (arg3) {
6201 unlock_user(p3, arg3, 0);
6202 }
6203 }
6204 break;
e5febef5 6205#ifdef TARGET_NR_umount
31e31b8a 6206 case TARGET_NR_umount:
579a97f7
FB		 6207 if (!(p = lock_user_string(arg1)))
6208 goto efault;
53a5960a
PB		 6209 ret = get_errno(umount(p));
6210 unlock_user(p, arg1, 0);
31e31b8a 6211 break;
e5febef5 6212#endif
7a3148a9 6213#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 6214 case TARGET_NR_stime:
6215 {
53a5960a 6216 time_t host_time;
2f619698
FB		 6217 if (get_user_sal(host_time, arg1))
6218 goto efault;
53a5960a 6219 ret = get_errno(stime(&host_time));
31e31b8a
FB		 6220 }
6221 break;
7a3148a9 6222#endif
31e31b8a
FB		 6223 case TARGET_NR_ptrace:
6224 goto unimplemented;
7a3148a9 6225#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 6226 case TARGET_NR_alarm:
6227 ret = alarm(arg1);
6228 break;
7a3148a9 6229#endif
ebc05488 6230#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 6231 case TARGET_NR_oldfstat:
6232 goto unimplemented;
ebc05488 6233#endif
7a3148a9 6234#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 6235 case TARGET_NR_pause:
6236 ret = get_errno(pause());
6237 break;
7a3148a9 6238#endif
e5febef5 6239#ifdef TARGET_NR_utime
31e31b8a 6240 case TARGET_NR_utime:
ebc05488 6241 {
53a5960a
PB		 6242 struct utimbuf tbuf, *host_tbuf;
6243 struct target_utimbuf *target_tbuf;
6244 if (arg2) {
579a97f7
FB		 6245 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
6246 goto efault;
cbb21eed
MB		 6247 tbuf.actime = tswapal(target_tbuf->actime);
6248 tbuf.modtime = tswapal(target_tbuf->modtime);
53a5960a
PB		 6249 unlock_user_struct(target_tbuf, arg2, 0);
6250 host_tbuf = &tbuf;
f72e8ff4 6251 } else {
53a5960a 6252 host_tbuf = NULL;
f72e8ff4 6253 }
579a97f7
FB		 6254 if (!(p = lock_user_string(arg1)))
6255 goto efault;
53a5960a
PB		 6256 ret = get_errno(utime(p, host_tbuf));
6257 unlock_user(p, arg1, 0);
ebc05488
FB		 6258 }
6259 break;
e5febef5 6260#endif
704eff6c 6261#ifdef TARGET_NR_utimes
978a66ff
FB		 6262 case TARGET_NR_utimes:
6263 {
978a66ff 6264 struct timeval *tvp, tv[2];
53a5960a 6265 if (arg2) {
788f5ec4
TS		 6266 if (copy_from_user_timeval(&tv[0], arg2)
6267 || copy_from_user_timeval(&tv[1],
6268 arg2 + sizeof(struct target_timeval)))
6269 goto efault;
978a66ff
FB		 6270 tvp = tv;
6271 } else {
6272 tvp = NULL;
6273 }
579a97f7
FB		 6274 if (!(p = lock_user_string(arg1)))
6275 goto efault;
53a5960a
PB		 6276 ret = get_errno(utimes(p, tvp));
6277 unlock_user(p, arg1, 0);
978a66ff
FB		 6278 }
6279 break;
704eff6c 6280#endif
c0d472b1 6281#if defined(TARGET_NR_futimesat)
ac8a6556
AZ		 6282 case TARGET_NR_futimesat:
6283 {
6284 struct timeval *tvp, tv[2];
6285 if (arg3) {
6286 if (copy_from_user_timeval(&tv[0], arg3)
6287 || copy_from_user_timeval(&tv[1],
6288 arg3 + sizeof(struct target_timeval)))
6289 goto efault;
6290 tvp = tv;
6291 } else {
6292 tvp = NULL;
6293 }
6294 if (!(p = lock_user_string(arg2)))
6295 goto efault;
c0d472b1 6296 ret = get_errno(futimesat(arg1, path(p), tvp));
ac8a6556
AZ		 6297 unlock_user(p, arg2, 0);
6298 }
6299 break;
6300#endif
ebc05488 6301#ifdef TARGET_NR_stty
31e31b8a
FB		 6302 case TARGET_NR_stty:
6303 goto unimplemented;
ebc05488
FB		 6304#endif
6305#ifdef TARGET_NR_gtty
31e31b8a
FB		 6306 case TARGET_NR_gtty:
6307 goto unimplemented;
ebc05488 6308#endif
704eff6c 6309#ifdef TARGET_NR_access
31e31b8a 6310 case TARGET_NR_access:
579a97f7
FB		 6311 if (!(p = lock_user_string(arg1)))
6312 goto efault;
719f908e 6313 ret = get_errno(access(path(p), arg2));
53a5960a 6314 unlock_user(p, arg1, 0);
31e31b8a 6315 break;
704eff6c 6316#endif
92a34c10
TS		 6317#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
6318 case TARGET_NR_faccessat:
579a97f7
FB		 6319 if (!(p = lock_user_string(arg2)))
6320 goto efault;
c0d472b1 6321 ret = get_errno(faccessat(arg1, p, arg3, 0));
579a97f7 6322 unlock_user(p, arg2, 0);
92a34c10
TS		 6323 break;
6324#endif
7a3148a9 6325#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 6326 case TARGET_NR_nice:
6327 ret = get_errno(nice(arg1));
6328 break;
7a3148a9 6329#endif
ebc05488 6330#ifdef TARGET_NR_ftime
31e31b8a
FB		 6331 case TARGET_NR_ftime:
6332 goto unimplemented;
ebc05488 6333#endif
31e31b8a 6334 case TARGET_NR_sync:
04369ff2
FB		 6335 sync();
6336 ret = 0;
31e31b8a
FB		 6337 break;
6338 case TARGET_NR_kill:
4cb05961 6339 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a 6340 break;
704eff6c 6341#ifdef TARGET_NR_rename
31e31b8a 6342 case TARGET_NR_rename:
53a5960a
PB		 6343 {
6344 void *p2;
6345 p = lock_user_string(arg1);
6346 p2 = lock_user_string(arg2);
579a97f7
FB		 6347 if (!p || !p2)
6348 ret = -TARGET_EFAULT;
6349 else
6350 ret = get_errno(rename(p, p2));
53a5960a
PB		 6351 unlock_user(p2, arg2, 0);
6352 unlock_user(p, arg1, 0);
6353 }
31e31b8a 6354 break;
704eff6c 6355#endif
c0d472b1 6356#if defined(TARGET_NR_renameat)
722183f6 6357 case TARGET_NR_renameat:
722183f6 6358 {
579a97f7 6359 void *p2;
722183f6
TS		 6360 p = lock_user_string(arg2);
6361 p2 = lock_user_string(arg4);
579a97f7 6362 if (!p || !p2)
0da46a6e 6363 ret = -TARGET_EFAULT;
722183f6 6364 else
c0d472b1 6365 ret = get_errno(renameat(arg1, p, arg3, p2));
579a97f7
FB		 6366 unlock_user(p2, arg4, 0);
6367 unlock_user(p, arg2, 0);
722183f6
TS		 6368 }
6369 break;
6370#endif
704eff6c 6371#ifdef TARGET_NR_mkdir
31e31b8a 6372 case TARGET_NR_mkdir:
579a97f7
FB		 6373 if (!(p = lock_user_string(arg1)))
6374 goto efault;
53a5960a
PB		 6375 ret = get_errno(mkdir(p, arg2));
6376 unlock_user(p, arg1, 0);
31e31b8a 6377 break;
704eff6c 6378#endif
c0d472b1 6379#if defined(TARGET_NR_mkdirat)
4472ad0d 6380 case TARGET_NR_mkdirat:
579a97f7
FB		 6381 if (!(p = lock_user_string(arg2)))
6382 goto efault;
c0d472b1 6383 ret = get_errno(mkdirat(arg1, p, arg3));
579a97f7 6384 unlock_user(p, arg2, 0);
4472ad0d
TS		 6385 break;
6386#endif
704eff6c 6387#ifdef TARGET_NR_rmdir
31e31b8a 6388 case TARGET_NR_rmdir:
579a97f7
FB		 6389 if (!(p = lock_user_string(arg1)))
6390 goto efault;
53a5960a
PB		 6391 ret = get_errno(rmdir(p));
6392 unlock_user(p, arg1, 0);
31e31b8a 6393 break;
704eff6c 6394#endif
31e31b8a
FB		 6395 case TARGET_NR_dup:
6396 ret = get_errno(dup(arg1));
e36800c9
LV		 6397 if (ret >= 0) {
6398 fd_trans_dup(arg1, ret);
6399 }
31e31b8a 6400 break;
704eff6c 6401#ifdef TARGET_NR_pipe
31e31b8a 6402 case TARGET_NR_pipe:
fb41a66e 6403 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f 6404 break;
704eff6c 6405#endif
099d6b0f
RV		 6406#ifdef TARGET_NR_pipe2
6407 case TARGET_NR_pipe2:
e7ea6cbe
RH		 6408 ret = do_pipe(cpu_env, arg1,
6409 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
31e31b8a 6410 break;
099d6b0f 6411#endif
31e31b8a 6412 case TARGET_NR_times:
32f36bce 6413 {
53a5960a 6414 struct target_tms *tmsp;
32f36bce
FB		 6415 struct tms tms;
6416 ret = get_errno(times(&tms));
53a5960a 6417 if (arg1) {
579a97f7
FB		 6418 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
6419 if (!tmsp)
6420 goto efault;
cbb21eed
MB		 6421 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
6422 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
6423 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
6424 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
32f36bce 6425 }
c596ed17
FB		 6426 if (!is_error(ret))
6427 ret = host_to_target_clock_t(ret);
32f36bce
FB		 6428 }
6429 break;
ebc05488 6430#ifdef TARGET_NR_prof
31e31b8a
FB		 6431 case TARGET_NR_prof:
6432 goto unimplemented;
ebc05488 6433#endif
e5febef5 6434#ifdef TARGET_NR_signal
31e31b8a
FB		 6435 case TARGET_NR_signal:
6436 goto unimplemented;
e5febef5 6437#endif
31e31b8a 6438 case TARGET_NR_acct:
38d840e6
AJ		 6439 if (arg1 == 0) {
6440 ret = get_errno(acct(NULL));
6441 } else {
6442 if (!(p = lock_user_string(arg1)))
6443 goto efault;
6444 ret = get_errno(acct(path(p)));
6445 unlock_user(p, arg1, 0);
6446 }
24836689 6447 break;
8070e7be 6448#ifdef TARGET_NR_umount2
31e31b8a 6449 case TARGET_NR_umount2:
579a97f7
FB		 6450 if (!(p = lock_user_string(arg1)))
6451 goto efault;
53a5960a
PB		 6452 ret = get_errno(umount2(p, arg2));
6453 unlock_user(p, arg1, 0);
31e31b8a 6454 break;
7a3148a9 6455#endif
ebc05488 6456#ifdef TARGET_NR_lock
31e31b8a
FB		 6457 case TARGET_NR_lock:
6458 goto unimplemented;
ebc05488 6459#endif
31e31b8a
FB		 6460 case TARGET_NR_ioctl:
6461 ret = do_ioctl(arg1, arg2, arg3);
6462 break;
6463 case TARGET_NR_fcntl:
9ee1fa2c 6464 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 6465 break;
ebc05488 6466#ifdef TARGET_NR_mpx
31e31b8a
FB		 6467 case TARGET_NR_mpx:
6468 goto unimplemented;
ebc05488 6469#endif
31e31b8a
FB		 6470 case TARGET_NR_setpgid:
6471 ret = get_errno(setpgid(arg1, arg2));
6472 break;
ebc05488 6473#ifdef TARGET_NR_ulimit
31e31b8a
FB		 6474 case TARGET_NR_ulimit:
6475 goto unimplemented;
ebc05488
FB		 6476#endif
6477#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 6478 case TARGET_NR_oldolduname:
6479 goto unimplemented;
ebc05488 6480#endif
31e31b8a
FB		 6481 case TARGET_NR_umask:
6482 ret = get_errno(umask(arg1));
6483 break;
6484 case TARGET_NR_chroot:
579a97f7
FB		 6485 if (!(p = lock_user_string(arg1)))
6486 goto efault;
53a5960a
PB		 6487 ret = get_errno(chroot(p));
6488 unlock_user(p, arg1, 0);
31e31b8a 6489 break;
704eff6c 6490#ifdef TARGET_NR_ustat
31e31b8a
FB		 6491 case TARGET_NR_ustat:
6492 goto unimplemented;
704eff6c
CG		 6493#endif
6494#ifdef TARGET_NR_dup2
31e31b8a
FB		 6495 case TARGET_NR_dup2:
6496 ret = get_errno(dup2(arg1, arg2));
e36800c9
LV		 6497 if (ret >= 0) {
6498 fd_trans_dup(arg1, arg2);
6499 }
31e31b8a 6500 break;
704eff6c 6501#endif
d0927938
UH		 6502#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
6503 case TARGET_NR_dup3:
6504 ret = get_errno(dup3(arg1, arg2, arg3));
e36800c9
LV		 6505 if (ret >= 0) {
6506 fd_trans_dup(arg1, arg2);
6507 }
d0927938
UH		 6508 break;
6509#endif
7a3148a9 6510#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 6511 case TARGET_NR_getppid:
6512 ret = get_errno(getppid());
6513 break;
7a3148a9 6514#endif
704eff6c 6515#ifdef TARGET_NR_getpgrp
31e31b8a
FB		 6516 case TARGET_NR_getpgrp:
6517 ret = get_errno(getpgrp());
6518 break;
704eff6c 6519#endif
31e31b8a
FB		 6520 case TARGET_NR_setsid:
6521 ret = get_errno(setsid());
6522 break;
e5febef5 6523#ifdef TARGET_NR_sigaction
31e31b8a 6524 case TARGET_NR_sigaction:
31e31b8a 6525 {
6049f4f8
RH		 6526#if defined(TARGET_ALPHA)
6527 struct target_sigaction act, oact, *pact = 0;
53a5960a 6528 struct target_old_sigaction *old_act;
53a5960a 6529 if (arg2) {
579a97f7
FB		 6530 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
6531 goto efault;
66fb9763
FB		 6532 act._sa_handler = old_act->_sa_handler;
6533 target_siginitset(&act.sa_mask, old_act->sa_mask);
6534 act.sa_flags = old_act->sa_flags;
6049f4f8 6535 act.sa_restorer = 0;
53a5960a 6536 unlock_user_struct(old_act, arg2, 0);
66fb9763 6537 pact = &act;
66fb9763
FB		 6538 }
6539 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 6540 if (!is_error(ret) && arg3) {
579a97f7
FB		 6541 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
6542 goto efault;
53a5960a
PB		 6543 old_act->_sa_handler = oact._sa_handler;
6544 old_act->sa_mask = oact.sa_mask.sig[0];
6545 old_act->sa_flags = oact.sa_flags;
53a5960a 6546 unlock_user_struct(old_act, arg3, 1);
66fb9763 6547 }
6049f4f8 6548#elif defined(TARGET_MIPS)
106ec879
FB		 6549 struct target_sigaction act, oact, *pact, *old_act;
6550
6551 if (arg2) {
579a97f7
FB		 6552 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
6553 goto efault;
106ec879
FB		 6554 act._sa_handler = old_act->_sa_handler;
6555 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
6556 act.sa_flags = old_act->sa_flags;
6557 unlock_user_struct(old_act, arg2, 0);
6558 pact = &act;
6559 } else {
6560 pact = NULL;
6561 }
6562
6563 ret = get_errno(do_sigaction(arg1, pact, &oact));
6564
6565 if (!is_error(ret) && arg3) {
579a97f7
FB		 6566 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
6567 goto efault;
106ec879
FB		 6568 old_act->_sa_handler = oact._sa_handler;
6569 old_act->sa_flags = oact.sa_flags;
6570 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
6571 old_act->sa_mask.sig[1] = 0;
6572 old_act->sa_mask.sig[2] = 0;
6573 old_act->sa_mask.sig[3] = 0;
6574 unlock_user_struct(old_act, arg3, 1);
6575 }
6049f4f8
RH		 6576#else
6577 struct target_old_sigaction *old_act;
6578 struct target_sigaction act, oact, *pact;
6579 if (arg2) {
6580 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
6581 goto efault;
6582 act._sa_handler = old_act->_sa_handler;
6583 target_siginitset(&act.sa_mask, old_act->sa_mask);
6584 act.sa_flags = old_act->sa_flags;
6585 act.sa_restorer = old_act->sa_restorer;
6586 unlock_user_struct(old_act, arg2, 0);
6587 pact = &act;
6588 } else {
6589 pact = NULL;
6590 }
6591 ret = get_errno(do_sigaction(arg1, pact, &oact));
6592 if (!is_error(ret) && arg3) {
6593 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
6594 goto efault;
6595 old_act->_sa_handler = oact._sa_handler;
6596 old_act->sa_mask = oact.sa_mask.sig[0];
6597 old_act->sa_flags = oact.sa_flags;
6598 old_act->sa_restorer = oact.sa_restorer;
6599 unlock_user_struct(old_act, arg3, 1);
6600 }
388bb21a 6601#endif
31e31b8a
FB		 6602 }
6603 break;
e5febef5 6604#endif
66fb9763 6605 case TARGET_NR_rt_sigaction:
53a5960a 6606 {
6049f4f8
RH		 6607#if defined(TARGET_ALPHA)
6608 struct target_sigaction act, oact, *pact = 0;
6609 struct target_rt_sigaction *rt_act;
6610 /* ??? arg4 == sizeof(sigset_t). */
6611 if (arg2) {
6612 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
6613 goto efault;
6614 act._sa_handler = rt_act->_sa_handler;
6615 act.sa_mask = rt_act->sa_mask;
6616 act.sa_flags = rt_act->sa_flags;
6617 act.sa_restorer = arg5;
6618 unlock_user_struct(rt_act, arg2, 0);
6619 pact = &act;
6620 }
6621 ret = get_errno(do_sigaction(arg1, pact, &oact));
6622 if (!is_error(ret) && arg3) {
6623 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
6624 goto efault;
6625 rt_act->_sa_handler = oact._sa_handler;
6626 rt_act->sa_mask = oact.sa_mask;
6627 rt_act->sa_flags = oact.sa_flags;
6628 unlock_user_struct(rt_act, arg3, 1);
6629 }
6630#else
53a5960a
PB		 6631 struct target_sigaction *act;
6632 struct target_sigaction *oact;
6633
579a97f7
FB		 6634 if (arg2) {
6635 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
6636 goto efault;
6637 } else
53a5960a 6638 act = NULL;
579a97f7
FB		 6639 if (arg3) {
6640 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
6641 ret = -TARGET_EFAULT;
6642 goto rt_sigaction_fail;
6643 }
6644 } else
53a5960a
PB		 6645 oact = NULL;
6646 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 6647 rt_sigaction_fail:
6648 if (act)
53a5960a 6649 unlock_user_struct(act, arg2, 0);
579a97f7 6650 if (oact)
53a5960a 6651 unlock_user_struct(oact, arg3, 1);
6049f4f8 6652#endif
53a5960a 6653 }
66fb9763 6654 break;
7a3148a9 6655#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 6656 case TARGET_NR_sgetmask:
66fb9763
FB		 6657 {
6658 sigset_t cur_set;
992f48a0 6659 abi_ulong target_set;
1c275925 6660 do_sigprocmask(0, NULL, &cur_set);
66fb9763
FB		 6661 host_to_target_old_sigset(&target_set, &cur_set);
6662 ret = target_set;
6663 }
6664 break;
7a3148a9
JM		 6665#endif
6666#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 6667 case TARGET_NR_ssetmask:
66fb9763
FB		 6668 {
6669 sigset_t set, oset, cur_set;
992f48a0 6670 abi_ulong target_set = arg1;
1c275925 6671 do_sigprocmask(0, NULL, &cur_set);
66fb9763
FB		 6672 target_to_host_old_sigset(&set, &target_set);
6673 sigorset(&set, &set, &cur_set);
1c275925 6674 do_sigprocmask(SIG_SETMASK, &set, &oset);
66fb9763
FB		 6675 host_to_target_old_sigset(&target_set, &oset);
6676 ret = target_set;
6677 }
6678 break;
7a3148a9 6679#endif
e5febef5 6680#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 6681 case TARGET_NR_sigprocmask:
6682 {
a5b3b13b
RH		 6683#if defined(TARGET_ALPHA)
6684 sigset_t set, oldset;
6685 abi_ulong mask;
6686 int how;
6687
6688 switch (arg1) {
6689 case TARGET_SIG_BLOCK:
6690 how = SIG_BLOCK;
6691 break;
6692 case TARGET_SIG_UNBLOCK:
6693 how = SIG_UNBLOCK;
6694 break;
6695 case TARGET_SIG_SETMASK:
6696 how = SIG_SETMASK;
6697 break;
6698 default:
6699 ret = -TARGET_EINVAL;
6700 goto fail;
6701 }
6702 mask = arg2;
6703 target_to_host_old_sigset(&set, &mask);
6704
1c275925 6705 ret = get_errno(do_sigprocmask(how, &set, &oldset));
a5b3b13b
RH		 6706 if (!is_error(ret)) {
6707 host_to_target_old_sigset(&mask, &oldset);
6708 ret = mask;
0229f5a3 6709 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */
a5b3b13b
RH		 6710 }
6711#else
66fb9763 6712 sigset_t set, oldset, *set_ptr;
a5b3b13b 6713 int how;
3b46e624 6714
53a5960a 6715 if (arg2) {
a5b3b13b 6716 switch (arg1) {
66fb9763
FB		 6717 case TARGET_SIG_BLOCK:
6718 how = SIG_BLOCK;
6719 break;
6720 case TARGET_SIG_UNBLOCK:
6721 how = SIG_UNBLOCK;
6722 break;
6723 case TARGET_SIG_SETMASK:
6724 how = SIG_SETMASK;
6725 break;
6726 default:
0da46a6e 6727 ret = -TARGET_EINVAL;
66fb9763
FB		 6728 goto fail;
6729 }
c227f099 6730 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 6731 goto efault;
53a5960a
PB		 6732 target_to_host_old_sigset(&set, p);
6733 unlock_user(p, arg2, 0);
66fb9763
FB		 6734 set_ptr = &set;
6735 } else {
6736 how = 0;
6737 set_ptr = NULL;
6738 }
1c275925 6739 ret = get_errno(do_sigprocmask(how, set_ptr, &oldset));
53a5960a 6740 if (!is_error(ret) && arg3) {
c227f099 6741 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6742 goto efault;
53a5960a 6743 host_to_target_old_sigset(p, &oldset);
c227f099 6744 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 6745 }
a5b3b13b 6746#endif
66fb9763
FB		 6747 }
6748 break;
e5febef5 6749#endif
66fb9763
FB		 6750 case TARGET_NR_rt_sigprocmask:
6751 {
6752 int how = arg1;
6753 sigset_t set, oldset, *set_ptr;
3b46e624 6754
53a5960a 6755 if (arg2) {
66fb9763
FB		 6756 switch(how) {
6757 case TARGET_SIG_BLOCK:
6758 how = SIG_BLOCK;
6759 break;
6760 case TARGET_SIG_UNBLOCK:
6761 how = SIG_UNBLOCK;
6762 break;
6763 case TARGET_SIG_SETMASK:
6764 how = SIG_SETMASK;
6765 break;
6766 default:
0da46a6e 6767 ret = -TARGET_EINVAL;
66fb9763
FB		 6768 goto fail;
6769 }
c227f099 6770 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 6771 goto efault;
53a5960a
PB		 6772 target_to_host_sigset(&set, p);
6773 unlock_user(p, arg2, 0);
66fb9763
FB		 6774 set_ptr = &set;
6775 } else {
6776 how = 0;
6777 set_ptr = NULL;
6778 }
1c275925 6779 ret = get_errno(do_sigprocmask(how, set_ptr, &oldset));
53a5960a 6780 if (!is_error(ret) && arg3) {
c227f099 6781 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6782 goto efault;
53a5960a 6783 host_to_target_sigset(p, &oldset);
c227f099 6784 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 6785 }
6786 }
6787 break;
e5febef5 6788#ifdef TARGET_NR_sigpending
66fb9763
FB		 6789 case TARGET_NR_sigpending:
6790 {
6791 sigset_t set;
6792 ret = get_errno(sigpending(&set));
6793 if (!is_error(ret)) {
c227f099 6794 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6795 goto efault;
53a5960a 6796 host_to_target_old_sigset(p, &set);
c227f099 6797 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6798 }
6799 }
6800 break;
e5febef5 6801#endif
66fb9763
FB		 6802 case TARGET_NR_rt_sigpending:
6803 {
6804 sigset_t set;
6805 ret = get_errno(sigpending(&set));
6806 if (!is_error(ret)) {
c227f099 6807 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6808 goto efault;
53a5960a 6809 host_to_target_sigset(p, &set);
c227f099 6810 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6811 }
6812 }
6813 break;
e5febef5 6814#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 6815 case TARGET_NR_sigsuspend:
6816 {
6817 sigset_t set;
f43ce12b
RH		 6818#if defined(TARGET_ALPHA)
6819 abi_ulong mask = arg1;
6820 target_to_host_old_sigset(&set, &mask);
6821#else
c227f099 6822 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6823 goto efault;
53a5960a
PB		 6824 target_to_host_old_sigset(&set, p);
6825 unlock_user(p, arg1, 0);
f43ce12b 6826#endif
66fb9763
FB		 6827 ret = get_errno(sigsuspend(&set));
6828 }
6829 break;
e5febef5 6830#endif
66fb9763
FB		 6831 case TARGET_NR_rt_sigsuspend:
6832 {
6833 sigset_t set;
c227f099 6834 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6835 goto efault;
53a5960a
PB		 6836 target_to_host_sigset(&set, p);
6837 unlock_user(p, arg1, 0);
66fb9763
FB		 6838 ret = get_errno(sigsuspend(&set));
6839 }
6840 break;
6841 case TARGET_NR_rt_sigtimedwait:
6842 {
66fb9763
FB		 6843 sigset_t set;
6844 struct timespec uts, *puts;
6845 siginfo_t uinfo;
3b46e624 6846
c227f099 6847 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6848 goto efault;
53a5960a
PB		 6849 target_to_host_sigset(&set, p);
6850 unlock_user(p, arg1, 0);
6851 if (arg3) {
66fb9763 6852 puts = &uts;
53a5960a 6853 target_to_host_timespec(puts, arg3);
66fb9763
FB		 6854 } else {
6855 puts = NULL;
6856 }
6857 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
974a196d
PJ		 6858 if (!is_error(ret)) {
6859 if (arg2) {
6860 p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
6861 0);
6862 if (!p) {
6863 goto efault;
6864 }
6865 host_to_target_siginfo(p, &uinfo);
6866 unlock_user(p, arg2, sizeof(target_siginfo_t));
6867 }
6868 ret = host_to_target_signal(ret);
66fb9763
FB		 6869 }
6870 }
6871 break;
6872 case TARGET_NR_rt_sigqueueinfo:
6873 {
6874 siginfo_t uinfo;
c227f099 6875 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 6876 goto efault;
53a5960a
PB		 6877 target_to_host_siginfo(&uinfo, p);
6878 unlock_user(p, arg1, 0);
66fb9763
FB		 6879 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
6880 }
6881 break;
e5febef5 6882#ifdef TARGET_NR_sigreturn
66fb9763
FB		 6883 case TARGET_NR_sigreturn:
6884 /* NOTE: ret is eax, so not transcoding must be done */
6885 ret = do_sigreturn(cpu_env);
6886 break;
e5febef5 6887#endif
66fb9763
FB		 6888 case TARGET_NR_rt_sigreturn:
6889 /* NOTE: ret is eax, so not transcoding must be done */
6890 ret = do_rt_sigreturn(cpu_env);
6891 break;
31e31b8a 6892 case TARGET_NR_sethostname:
579a97f7
FB		 6893 if (!(p = lock_user_string(arg1)))
6894 goto efault;
53a5960a
PB		 6895 ret = get_errno(sethostname(p, arg2));
6896 unlock_user(p, arg1, 0);
31e31b8a
FB		 6897 break;
6898 case TARGET_NR_setrlimit:
9de5e440 6899 {
e22b7015 6900 int resource = target_to_host_resource(arg1);
53a5960a 6901 struct target_rlimit *target_rlim;
9de5e440 6902 struct rlimit rlim;
579a97f7
FB		 6903 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
6904 goto efault;
81bbe906
TY		 6905 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
6906 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 6907 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 6908 ret = get_errno(setrlimit(resource, &rlim));
6909 }
6910 break;
31e31b8a 6911 case TARGET_NR_getrlimit:
9de5e440 6912 {
e22b7015 6913 int resource = target_to_host_resource(arg1);
53a5960a 6914 struct target_rlimit *target_rlim;
9de5e440 6915 struct rlimit rlim;
3b46e624 6916
9de5e440
FB		 6917 ret = get_errno(getrlimit(resource, &rlim));
6918 if (!is_error(ret)) {
579a97f7
FB		 6919 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6920 goto efault;
81bbe906
TY		 6921 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6922 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 6923 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 6924 }
6925 }
6926 break;
31e31b8a 6927 case TARGET_NR_getrusage:
b409186b
FB		 6928 {
6929 struct rusage rusage;
b409186b
FB		 6930 ret = get_errno(getrusage(arg1, &rusage));
6931 if (!is_error(ret)) {
a39fb273 6932 ret = host_to_target_rusage(arg2, &rusage);
b409186b
FB		 6933 }
6934 }
6935 break;
31e31b8a
FB		 6936 case TARGET_NR_gettimeofday:
6937 {
31e31b8a
FB		 6938 struct timeval tv;
6939 ret = get_errno(gettimeofday(&tv, NULL));
6940 if (!is_error(ret)) {
788f5ec4
TS		 6941 if (copy_to_user_timeval(arg1, &tv))
6942 goto efault;
31e31b8a
FB		 6943 }
6944 }
6945 break;
6946 case TARGET_NR_settimeofday:
6947 {
b67d8031 6948 struct timeval tv, *ptv = NULL;
ef4467e9
PB		 6949 struct timezone tz, *ptz = NULL;
6950
b67d8031
PB		 6951 if (arg1) {
6952 if (copy_from_user_timeval(&tv, arg1)) {
6953 goto efault;
6954 }
6955 ptv = &tv;
6956 }
ef4467e9
PB		 6957
6958 if (arg2) {
6959 if (copy_from_user_timezone(&tz, arg2)) {
6960 goto efault;
6961 }
6962 ptz = &tz;
6963 }
6964
b67d8031 6965 ret = get_errno(settimeofday(ptv, ptz));
31e31b8a
FB		 6966 }
6967 break;
9468a5d4 6968#if defined(TARGET_NR_select)
31e31b8a 6969 case TARGET_NR_select:
9468a5d4
LV		 6970#if defined(TARGET_S390X) || defined(TARGET_ALPHA)
6971 ret = do_select(arg1, arg2, arg3, arg4, arg5);
6972#else
f2674e31 6973 {
53a5960a 6974 struct target_sel_arg_struct *sel;
992f48a0 6975 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 6976 long nsel;
6977
579a97f7
FB		 6978 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
6979 goto efault;
cbb21eed
MB		 6980 nsel = tswapal(sel->n);
6981 inp = tswapal(sel->inp);
6982 outp = tswapal(sel->outp);
6983 exp = tswapal(sel->exp);
6984 tvp = tswapal(sel->tvp);
53a5960a
PB		 6985 unlock_user_struct(sel, arg1, 0);
6986 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31 6987 }
9468a5d4 6988#endif
f2674e31 6989 break;
9e42382f
RV		 6990#endif
6991#ifdef TARGET_NR_pselect6
6992 case TARGET_NR_pselect6:
055e0906
MF		 6993 {
6994 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
6995 fd_set rfds, wfds, efds;
6996 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
6997 struct timespec ts, *ts_ptr;
6998
6999 /*
7000 * The 6th arg is actually two args smashed together,
7001 * so we cannot use the C library.
7002 */
7003 sigset_t set;
7004 struct {
7005 sigset_t *set;
7006 size_t size;
7007 } sig, *sig_ptr;
7008
7009 abi_ulong arg_sigset, arg_sigsize, *arg7;
7010 target_sigset_t *target_sigset;
7011
7012 n = arg1;
7013 rfd_addr = arg2;
7014 wfd_addr = arg3;
7015 efd_addr = arg4;
7016 ts_addr = arg5;
7017
7018 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
7019 if (ret) {
7020 goto fail;
7021 }
7022 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
7023 if (ret) {
7024 goto fail;
7025 }
7026 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
7027 if (ret) {
7028 goto fail;
7029 }
7030
7031 /*
7032 * This takes a timespec, and not a timeval, so we cannot
7033 * use the do_select() helper ...
7034 */
7035 if (ts_addr) {
7036 if (target_to_host_timespec(&ts, ts_addr)) {
7037 goto efault;
7038 }
7039 ts_ptr = &ts;
7040 } else {
7041 ts_ptr = NULL;
7042 }
7043
7044 /* Extract the two packed args for the sigset */
7045 if (arg6) {
7046 sig_ptr = &sig;
7047 sig.size = _NSIG / 8;
7048
7049 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
7050 if (!arg7) {
7051 goto efault;
7052 }
cbb21eed
MB		 7053 arg_sigset = tswapal(arg7[0]);
7054 arg_sigsize = tswapal(arg7[1]);
055e0906
MF		 7055 unlock_user(arg7, arg6, 0);
7056
7057 if (arg_sigset) {
7058 sig.set = &set;
8f04eeb3
PM		 7059 if (arg_sigsize != sizeof(*target_sigset)) {
7060 /* Like the kernel, we enforce correct size sigsets */
7061 ret = -TARGET_EINVAL;
7062 goto fail;
7063 }
055e0906
MF		 7064 target_sigset = lock_user(VERIFY_READ, arg_sigset,
7065 sizeof(*target_sigset), 1);
7066 if (!target_sigset) {
7067 goto efault;
7068 }
7069 target_to_host_sigset(&set, target_sigset);
7070 unlock_user(target_sigset, arg_sigset, 0);
7071 } else {
7072 sig.set = NULL;
7073 }
7074 } else {
7075 sig_ptr = NULL;
7076 }
7077
7078 ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
7079 ts_ptr, sig_ptr));
7080
7081 if (!is_error(ret)) {
7082 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
7083 goto efault;
7084 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
7085 goto efault;
7086 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
7087 goto efault;
7088
7089 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
7090 goto efault;
7091 }
7092 }
7093 break;
048f6b4d 7094#endif
704eff6c 7095#ifdef TARGET_NR_symlink
31e31b8a 7096 case TARGET_NR_symlink:
53a5960a
PB		 7097 {
7098 void *p2;
7099 p = lock_user_string(arg1);
7100 p2 = lock_user_string(arg2);
579a97f7
FB		 7101 if (!p || !p2)
7102 ret = -TARGET_EFAULT;
7103 else
7104 ret = get_errno(symlink(p, p2));
53a5960a
PB		 7105 unlock_user(p2, arg2, 0);
7106 unlock_user(p, arg1, 0);
7107 }
31e31b8a 7108 break;
704eff6c 7109#endif
c0d472b1 7110#if defined(TARGET_NR_symlinkat)
f0b6243d 7111 case TARGET_NR_symlinkat:
f0b6243d 7112 {
579a97f7 7113 void *p2;
f0b6243d
TS		 7114 p = lock_user_string(arg1);
7115 p2 = lock_user_string(arg3);
579a97f7 7116 if (!p || !p2)
0da46a6e 7117 ret = -TARGET_EFAULT;
f0b6243d 7118 else
c0d472b1 7119 ret = get_errno(symlinkat(p, arg2, p2));
579a97f7
FB		 7120 unlock_user(p2, arg3, 0);
7121 unlock_user(p, arg1, 0);
f0b6243d
TS		 7122 }
7123 break;
7124#endif
ebc05488 7125#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 7126 case TARGET_NR_oldlstat:
7127 goto unimplemented;
ebc05488 7128#endif
704eff6c 7129#ifdef TARGET_NR_readlink
31e31b8a 7130 case TARGET_NR_readlink:
53a5960a 7131 {
463d8e73 7132 void *p2;
53a5960a 7133 p = lock_user_string(arg1);
579a97f7 7134 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
463d8e73 7135 if (!p || !p2) {
579a97f7 7136 ret = -TARGET_EFAULT;
f17f4989
MF		 7137 } else if (!arg3) {
7138 /* Short circuit this for the magic exe check. */
7139 ret = -TARGET_EINVAL;
463d8e73
AS		 7140 } else if (is_proc_myself((const char *)p, "exe")) {
7141 char real[PATH_MAX], *temp;
7142 temp = realpath(exec_path, real);
f17f4989
MF		 7143 /* Return value is # of bytes that we wrote to the buffer. */
7144 if (temp == NULL) {
7145 ret = get_errno(-1);
7146 } else {
7147 /* Don't worry about sign mismatch as earlier mapping
7148 * logic would have thrown a bad address error. */
7149 ret = MIN(strlen(real), arg3);
7150 /* We cannot NUL terminate the string. */
7151 memcpy(p2, real, ret);
7152 }
463d8e73
AS		 7153 } else {
7154 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 7155 }
53a5960a
PB		 7156 unlock_user(p2, arg2, ret);
7157 unlock_user(p, arg1, 0);
7158 }
31e31b8a 7159 break;
704eff6c 7160#endif
c0d472b1 7161#if defined(TARGET_NR_readlinkat)
5e0ccb18 7162 case TARGET_NR_readlinkat:
5e0ccb18 7163 {
579a97f7 7164 void *p2;
5e0ccb18 7165 p = lock_user_string(arg2);
579a97f7 7166 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
463d8e73
AS		 7167 if (!p || !p2) {
7168 ret = -TARGET_EFAULT;
7169 } else if (is_proc_myself((const char *)p, "exe")) {
7170 char real[PATH_MAX], *temp;
7171 temp = realpath(exec_path, real);
7172 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
7173 snprintf((char *)p2, arg4, "%s", real);
7174 } else {
c0d472b1 7175 ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
463d8e73 7176 }
579a97f7
FB		 7177 unlock_user(p2, arg3, ret);
7178 unlock_user(p, arg2, 0);
5e0ccb18
TS		 7179 }
7180 break;
7181#endif
e5febef5 7182#ifdef TARGET_NR_uselib
31e31b8a
FB		 7183 case TARGET_NR_uselib:
7184 goto unimplemented;
e5febef5
TS		 7185#endif
7186#ifdef TARGET_NR_swapon
31e31b8a 7187 case TARGET_NR_swapon:
579a97f7
FB		 7188 if (!(p = lock_user_string(arg1)))
7189 goto efault;
53a5960a
PB		 7190 ret = get_errno(swapon(p, arg2));
7191 unlock_user(p, arg1, 0);
31e31b8a 7192 break;
e5febef5 7193#endif
31e31b8a 7194 case TARGET_NR_reboot:
c07ecc68
LV		 7195 if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
7196 /* arg4 must be ignored in all other cases */
7197 p = lock_user_string(arg4);
7198 if (!p) {
7199 goto efault;
7200 }
7201 ret = get_errno(reboot(arg1, arg2, arg3, p));
7202 unlock_user(p, arg4, 0);
7203 } else {
7204 ret = get_errno(reboot(arg1, arg2, arg3, NULL));
7205 }
0f6b4d21 7206 break;
e5febef5 7207#ifdef TARGET_NR_readdir
31e31b8a
FB		 7208 case TARGET_NR_readdir:
7209 goto unimplemented;
e5febef5
TS		 7210#endif
7211#ifdef TARGET_NR_mmap
31e31b8a 7212 case TARGET_NR_mmap:
09701199
AG		 7213#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
7214 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
a4c075f1
UH		 7215 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
7216 || defined(TARGET_S390X)
31e31b8a 7217 {
992f48a0
BS		 7218 abi_ulong *v;
7219 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 7220 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
7221 goto efault;
cbb21eed
MB		 7222 v1 = tswapal(v[0]);
7223 v2 = tswapal(v[1]);
7224 v3 = tswapal(v[2]);
7225 v4 = tswapal(v[3]);
7226 v5 = tswapal(v[4]);
7227 v6 = tswapal(v[5]);
53a5960a 7228 unlock_user(v, arg1, 0);
5fafdf24 7229 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 7230 target_to_host_bitmask(v4, mmap_flags_tbl),
7231 v5, v6));
31e31b8a 7232 }
31e31b8a 7233#else
5fafdf24
TS		 7234 ret = get_errno(target_mmap(arg1, arg2, arg3,
7235 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 7236 arg5,
7237 arg6));
31e31b8a 7238#endif
6fb883e8 7239 break;
e5febef5 7240#endif
a315a145 7241#ifdef TARGET_NR_mmap2
6fb883e8 7242 case TARGET_NR_mmap2:
bb7ec043 7243#ifndef MMAP_SHIFT
c573ff67 7244#define MMAP_SHIFT 12
c573ff67 7245#endif
5fafdf24
TS		 7246 ret = get_errno(target_mmap(arg1, arg2, arg3,
7247 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 7248 arg5,
c573ff67 7249 arg6 << MMAP_SHIFT));
31e31b8a 7250 break;
a315a145 7251#endif
31e31b8a 7252 case TARGET_NR_munmap:
54936004 7253 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 7254 break;
9de5e440 7255 case TARGET_NR_mprotect:
97374d38 7256 {
0429a971 7257 TaskState *ts = cpu->opaque;
97374d38
PB		 7258 /* Special hack to detect libc making the stack executable. */
7259 if ((arg3 & PROT_GROWSDOWN)
7260 && arg1 >= ts->info->stack_limit
7261 && arg1 <= ts->info->start_stack) {
7262 arg3 &= ~PROT_GROWSDOWN;
7263 arg2 = arg2 + arg1 - ts->info->stack_limit;
7264 arg1 = ts->info->stack_limit;
7265 }
7266 }
54936004 7267 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 7268 break;
e5febef5 7269#ifdef TARGET_NR_mremap
9de5e440 7270 case TARGET_NR_mremap:
54936004 7271 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 7272 break;
e5febef5 7273#endif
53a5960a 7274 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 7275#ifdef TARGET_NR_msync
9de5e440 7276 case TARGET_NR_msync:
53a5960a 7277 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 7278 break;
e5febef5
TS		 7279#endif
7280#ifdef TARGET_NR_mlock
9de5e440 7281 case TARGET_NR_mlock:
53a5960a 7282 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 7283 break;
e5febef5
TS		 7284#endif
7285#ifdef TARGET_NR_munlock
9de5e440 7286 case TARGET_NR_munlock:
53a5960a 7287 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 7288 break;
e5febef5
TS		 7289#endif
7290#ifdef TARGET_NR_mlockall
9de5e440 7291 case TARGET_NR_mlockall:
6f6a4032 7292 ret = get_errno(mlockall(target_to_host_mlockall_arg(arg1)));
9de5e440 7293 break;
e5febef5
TS		 7294#endif
7295#ifdef TARGET_NR_munlockall
9de5e440
FB		 7296 case TARGET_NR_munlockall:
7297 ret = get_errno(munlockall());
7298 break;
e5febef5 7299#endif
31e31b8a 7300 case TARGET_NR_truncate:
579a97f7
FB		 7301 if (!(p = lock_user_string(arg1)))
7302 goto efault;
53a5960a
PB		 7303 ret = get_errno(truncate(p, arg2));
7304 unlock_user(p, arg1, 0);
31e31b8a
FB		 7305 break;
7306 case TARGET_NR_ftruncate:
7307 ret = get_errno(ftruncate(arg1, arg2));
7308 break;
7309 case TARGET_NR_fchmod:
7310 ret = get_errno(fchmod(arg1, arg2));
7311 break;
c0d472b1 7312#if defined(TARGET_NR_fchmodat)
814d7977 7313 case TARGET_NR_fchmodat:
579a97f7
FB		 7314 if (!(p = lock_user_string(arg2)))
7315 goto efault;
c0d472b1 7316 ret = get_errno(fchmodat(arg1, p, arg3, 0));
579a97f7 7317 unlock_user(p, arg2, 0);
814d7977
TS		 7318 break;
7319#endif
31e31b8a 7320 case TARGET_NR_getpriority:
95c09828
RH		 7321 /* Note that negative values are valid for getpriority, so we must
7322 differentiate based on errno settings. */
7323 errno = 0;
7324 ret = getpriority(arg1, arg2);
7325 if (ret == -1 && errno != 0) {
7326 ret = -host_to_target_errno(errno);
7327 break;
7328 }
7329#ifdef TARGET_ALPHA
7330 /* Return value is the unbiased priority. Signal no error. */
7331 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
7332#else
7333 /* Return value is a biased priority to avoid negative numbers. */
7334 ret = 20 - ret;
7335#endif
31e31b8a
FB		 7336 break;
7337 case TARGET_NR_setpriority:
7338 ret = get_errno(setpriority(arg1, arg2, arg3));
7339 break;
ebc05488 7340#ifdef TARGET_NR_profil
31e31b8a
FB		 7341 case TARGET_NR_profil:
7342 goto unimplemented;
ebc05488 7343#endif
31e31b8a 7344 case TARGET_NR_statfs:
579a97f7
FB		 7345 if (!(p = lock_user_string(arg1)))
7346 goto efault;
53a5960a
PB		 7347 ret = get_errno(statfs(path(p), &stfs));
7348 unlock_user(p, arg1, 0);
31e31b8a
FB		 7349 convert_statfs:
7350 if (!is_error(ret)) {
53a5960a 7351 struct target_statfs *target_stfs;
3b46e624 7352
579a97f7
FB		 7353 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
7354 goto efault;
7355 __put_user(stfs.f_type, &target_stfs->f_type);
7356 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
7357 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
7358 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
7359 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
7360 __put_user(stfs.f_files, &target_stfs->f_files);
7361 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
7362 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
7363 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
7364 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 7365 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
7366 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
53a5960a 7367 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 7368 }
7369 break;
7370 case TARGET_NR_fstatfs:
56c8f68f 7371 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 7372 goto convert_statfs;
56c8f68f
FB		 7373#ifdef TARGET_NR_statfs64
7374 case TARGET_NR_statfs64:
579a97f7
FB		 7375 if (!(p = lock_user_string(arg1)))
7376 goto efault;
53a5960a
PB		 7377 ret = get_errno(statfs(path(p), &stfs));
7378 unlock_user(p, arg1, 0);
56c8f68f
FB		 7379 convert_statfs64:
7380 if (!is_error(ret)) {
53a5960a 7381 struct target_statfs64 *target_stfs;
3b46e624 7382
579a97f7
FB		 7383 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
7384 goto efault;
7385 __put_user(stfs.f_type, &target_stfs->f_type);
7386 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
7387 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
7388 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
7389 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
7390 __put_user(stfs.f_files, &target_stfs->f_files);
7391 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
7392 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
7393 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
7394 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 7395 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
7396 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
579a97f7 7397 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 7398 }
7399 break;
7400 case TARGET_NR_fstatfs64:
7401 ret = get_errno(fstatfs(arg1, &stfs));
7402 goto convert_statfs64;
7403#endif
ebc05488 7404#ifdef TARGET_NR_ioperm
31e31b8a
FB		 7405 case TARGET_NR_ioperm:
7406 goto unimplemented;
ebc05488 7407#endif
e5febef5 7408#ifdef TARGET_NR_socketcall
31e31b8a 7409 case TARGET_NR_socketcall:
53a5960a 7410 ret = do_socketcall(arg1, arg2);
31e31b8a 7411 break;
e5febef5 7412#endif
3532fa74
FB		 7413#ifdef TARGET_NR_accept
7414 case TARGET_NR_accept:
a94b4987
PM		 7415 ret = do_accept4(arg1, arg2, arg3, 0);
7416 break;
7417#endif
7418#ifdef TARGET_NR_accept4
7419 case TARGET_NR_accept4:
7420#ifdef CONFIG_ACCEPT4
7421 ret = do_accept4(arg1, arg2, arg3, arg4);
7422#else
7423 goto unimplemented;
7424#endif
3532fa74
FB		 7425 break;
7426#endif
7427#ifdef TARGET_NR_bind
7428 case TARGET_NR_bind:
7429 ret = do_bind(arg1, arg2, arg3);
7430 break;
7431#endif
7432#ifdef TARGET_NR_connect
7433 case TARGET_NR_connect:
7434 ret = do_connect(arg1, arg2, arg3);
7435 break;
7436#endif
7437#ifdef TARGET_NR_getpeername
7438 case TARGET_NR_getpeername:
1be9e1dc 7439 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 7440 break;
7441#endif
7442#ifdef TARGET_NR_getsockname
7443 case TARGET_NR_getsockname:
1be9e1dc 7444 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 7445 break;
7446#endif
7447#ifdef TARGET_NR_getsockopt
7448 case TARGET_NR_getsockopt:
7449 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
7450 break;
7451#endif
7452#ifdef TARGET_NR_listen
7453 case TARGET_NR_listen:
1be9e1dc 7454 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 7455 break;
7456#endif
7457#ifdef TARGET_NR_recv
7458 case TARGET_NR_recv:
214201bd 7459 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 7460 break;
7461#endif
7462#ifdef TARGET_NR_recvfrom
7463 case TARGET_NR_recvfrom:
214201bd 7464 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 7465 break;
7466#endif
7467#ifdef TARGET_NR_recvmsg
7468 case TARGET_NR_recvmsg:
7469 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
7470 break;
7471#endif
7472#ifdef TARGET_NR_send
7473 case TARGET_NR_send:
1be9e1dc 7474 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 7475 break;
7476#endif
7477#ifdef TARGET_NR_sendmsg
7478 case TARGET_NR_sendmsg:
7479 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
7480 break;
7481#endif
f19e00d7
AG		 7482#ifdef TARGET_NR_sendmmsg
7483 case TARGET_NR_sendmmsg:
7484 ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
7485 break;
7486 case TARGET_NR_recvmmsg:
7487 ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
7488 break;
7489#endif
3532fa74
FB		 7490#ifdef TARGET_NR_sendto
7491 case TARGET_NR_sendto:
1be9e1dc 7492 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 7493 break;
7494#endif
7495#ifdef TARGET_NR_shutdown
7496 case TARGET_NR_shutdown:
1be9e1dc 7497 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 7498 break;
7499#endif
7500#ifdef TARGET_NR_socket
7501 case TARGET_NR_socket:
7502 ret = do_socket(arg1, arg2, arg3);
e36800c9 7503 fd_trans_unregister(ret);
3532fa74
FB		 7504 break;
7505#endif
7506#ifdef TARGET_NR_socketpair
7507 case TARGET_NR_socketpair:
1be9e1dc 7508 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 7509 break;
7510#endif
7511#ifdef TARGET_NR_setsockopt
7512 case TARGET_NR_setsockopt:
7513 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
7514 break;
7515#endif
7494b0f9 7516
31e31b8a 7517 case TARGET_NR_syslog:
579a97f7
FB		 7518 if (!(p = lock_user_string(arg2)))
7519 goto efault;
e5574487
TS		 7520 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
7521 unlock_user(p, arg2, 0);
7494b0f9
TS		 7522 break;
7523
31e31b8a 7524 case TARGET_NR_setitimer:
66fb9763 7525 {
66fb9763
FB		 7526 struct itimerval value, ovalue, *pvalue;
7527
53a5960a 7528 if (arg2) {
66fb9763 7529 pvalue = &value;
788f5ec4
TS		 7530 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
7531 || copy_from_user_timeval(&pvalue->it_value,
7532 arg2 + sizeof(struct target_timeval)))
7533 goto efault;
66fb9763
FB		 7534 } else {
7535 pvalue = NULL;
7536 }
7537 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 7538 if (!is_error(ret) && arg3) {
788f5ec4
TS		 7539 if (copy_to_user_timeval(arg3,
7540 &ovalue.it_interval)
7541 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
7542 &ovalue.it_value))
7543 goto efault;
66fb9763
FB		 7544 }
7545 }
7546 break;
31e31b8a 7547 case TARGET_NR_getitimer:
66fb9763 7548 {
66fb9763 7549 struct itimerval value;
3b46e624 7550
66fb9763 7551 ret = get_errno(getitimer(arg1, &value));
53a5960a 7552 if (!is_error(ret) && arg2) {
788f5ec4
TS		 7553 if (copy_to_user_timeval(arg2,
7554 &value.it_interval)
7555 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
7556 &value.it_value))
7557 goto efault;
66fb9763
FB		 7558 }
7559 }
7560 break;
704eff6c 7561#ifdef TARGET_NR_stat
31e31b8a 7562 case TARGET_NR_stat:
579a97f7
FB		 7563 if (!(p = lock_user_string(arg1)))
7564 goto efault;
53a5960a
PB		 7565 ret = get_errno(stat(path(p), &st));
7566 unlock_user(p, arg1, 0);
31e31b8a 7567 goto do_stat;
704eff6c
CG		 7568#endif
7569#ifdef TARGET_NR_lstat
31e31b8a 7570 case TARGET_NR_lstat:
579a97f7
FB		 7571 if (!(p = lock_user_string(arg1)))
7572 goto efault;
53a5960a
PB		 7573 ret = get_errno(lstat(path(p), &st));
7574 unlock_user(p, arg1, 0);
31e31b8a 7575 goto do_stat;
704eff6c 7576#endif
31e31b8a
FB		 7577 case TARGET_NR_fstat:
7578 {
7579 ret = get_errno(fstat(arg1, &st));
704eff6c 7580#if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
31e31b8a 7581 do_stat:
704eff6c 7582#endif
31e31b8a 7583 if (!is_error(ret)) {
53a5960a 7584 struct target_stat *target_st;
e3584658 7585
579a97f7
FB		 7586 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
7587 goto efault;
12727917 7588 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 7589 __put_user(st.st_dev, &target_st->st_dev);
7590 __put_user(st.st_ino, &target_st->st_ino);
7591 __put_user(st.st_mode, &target_st->st_mode);
7592 __put_user(st.st_uid, &target_st->st_uid);
7593 __put_user(st.st_gid, &target_st->st_gid);
7594 __put_user(st.st_nlink, &target_st->st_nlink);
7595 __put_user(st.st_rdev, &target_st->st_rdev);
7596 __put_user(st.st_size, &target_st->st_size);
7597 __put_user(st.st_blksize, &target_st->st_blksize);
7598 __put_user(st.st_blocks, &target_st->st_blocks);
7599 __put_user(st.st_atime, &target_st->target_st_atime);
7600 __put_user(st.st_mtime, &target_st->target_st_mtime);
7601 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 7602 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 7603 }
7604 }
7605 break;
ebc05488 7606#ifdef TARGET_NR_olduname
31e31b8a
FB		 7607 case TARGET_NR_olduname:
7608 goto unimplemented;
ebc05488
FB		 7609#endif
7610#ifdef TARGET_NR_iopl
31e31b8a
FB		 7611 case TARGET_NR_iopl:
7612 goto unimplemented;
ebc05488 7613#endif
31e31b8a
FB		 7614 case TARGET_NR_vhangup:
7615 ret = get_errno(vhangup());
7616 break;
ebc05488 7617#ifdef TARGET_NR_idle
31e31b8a
FB		 7618 case TARGET_NR_idle:
7619 goto unimplemented;
42ad6ae9
FB		 7620#endif
7621#ifdef TARGET_NR_syscall
7622 case TARGET_NR_syscall:
5945cfcb
PM		 7623 ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
7624 arg6, arg7, arg8, 0);
7625 break;
ebc05488 7626#endif
31e31b8a
FB		 7627 case TARGET_NR_wait4:
7628 {
7629 int status;
992f48a0 7630 abi_long status_ptr = arg2;
31e31b8a 7631 struct rusage rusage, *rusage_ptr;
992f48a0 7632 abi_ulong target_rusage = arg4;
a39fb273 7633 abi_long rusage_err;
31e31b8a
FB		 7634 if (target_rusage)
7635 rusage_ptr = &rusage;
7636 else
7637 rusage_ptr = NULL;
7638 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
7639 if (!is_error(ret)) {
5379557b 7640 if (status_ptr && ret) {
1d9d8b55 7641 status = host_to_target_waitstatus(status);
2f619698
FB		 7642 if (put_user_s32(status, status_ptr))
7643 goto efault;
31e31b8a 7644 }
a39fb273
PJ		 7645 if (target_rusage) {
7646 rusage_err = host_to_target_rusage(target_rusage, &rusage);
7647 if (rusage_err) {
7648 ret = rusage_err;
7649 }
7650 }
31e31b8a
FB		 7651 }
7652 }
7653 break;
e5febef5 7654#ifdef TARGET_NR_swapoff
31e31b8a 7655 case TARGET_NR_swapoff:
579a97f7
FB		 7656 if (!(p = lock_user_string(arg1)))
7657 goto efault;
53a5960a
PB		 7658 ret = get_errno(swapoff(p));
7659 unlock_user(p, arg1, 0);
31e31b8a 7660 break;
e5febef5 7661#endif
31e31b8a 7662 case TARGET_NR_sysinfo:
a5448a7d 7663 {
53a5960a 7664 struct target_sysinfo *target_value;
a5448a7d
FB		 7665 struct sysinfo value;
7666 ret = get_errno(sysinfo(&value));
53a5960a 7667 if (!is_error(ret) && arg1)
a5448a7d 7668 {
579a97f7
FB		 7669 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
7670 goto efault;
a5448a7d
FB		 7671 __put_user(value.uptime, &target_value->uptime);
7672 __put_user(value.loads[0], &target_value->loads[0]);
7673 __put_user(value.loads[1], &target_value->loads[1]);
7674 __put_user(value.loads[2], &target_value->loads[2]);
7675 __put_user(value.totalram, &target_value->totalram);
7676 __put_user(value.freeram, &target_value->freeram);
7677 __put_user(value.sharedram, &target_value->sharedram);
7678 __put_user(value.bufferram, &target_value->bufferram);
7679 __put_user(value.totalswap, &target_value->totalswap);
7680 __put_user(value.freeswap, &target_value->freeswap);
7681 __put_user(value.procs, &target_value->procs);
7682 __put_user(value.totalhigh, &target_value->totalhigh);
7683 __put_user(value.freehigh, &target_value->freehigh);
7684 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 7685 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 7686 }
7687 }
7688 break;
e5febef5 7689#ifdef TARGET_NR_ipc
31e31b8a 7690 case TARGET_NR_ipc:
8853f86e
FB		 7691 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
7692 break;
e5febef5 7693#endif
e5289087
AJ		 7694#ifdef TARGET_NR_semget
7695 case TARGET_NR_semget:
7696 ret = get_errno(semget(arg1, arg2, arg3));
7697 break;
7698#endif
7699#ifdef TARGET_NR_semop
7700 case TARGET_NR_semop:
c7128c9f 7701 ret = do_semop(arg1, arg2, arg3);
e5289087
AJ		 7702 break;
7703#endif
7704#ifdef TARGET_NR_semctl
7705 case TARGET_NR_semctl:
d1c002b6 7706 ret = do_semctl(arg1, arg2, arg3, arg4);
e5289087
AJ		 7707 break;
7708#endif
eeb438c1
AJ		 7709#ifdef TARGET_NR_msgctl
7710 case TARGET_NR_msgctl:
7711 ret = do_msgctl(arg1, arg2, arg3);
7712 break;
7713#endif
7714#ifdef TARGET_NR_msgget
7715 case TARGET_NR_msgget:
7716 ret = get_errno(msgget(arg1, arg2));
7717 break;
7718#endif
7719#ifdef TARGET_NR_msgrcv
7720 case TARGET_NR_msgrcv:
7721 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
7722 break;
7723#endif
7724#ifdef TARGET_NR_msgsnd
7725 case TARGET_NR_msgsnd:
7726 ret = do_msgsnd(arg1, arg2, arg3, arg4);
7727 break;
88a8c984
RV		 7728#endif
7729#ifdef TARGET_NR_shmget
7730 case TARGET_NR_shmget:
7731 ret = get_errno(shmget(arg1, arg2, arg3));
7732 break;
7733#endif
7734#ifdef TARGET_NR_shmctl
7735 case TARGET_NR_shmctl:
7736 ret = do_shmctl(arg1, arg2, arg3);
7737 break;
7738#endif
7739#ifdef TARGET_NR_shmat
7740 case TARGET_NR_shmat:
7741 ret = do_shmat(arg1, arg2, arg3);
7742 break;
7743#endif
7744#ifdef TARGET_NR_shmdt
7745 case TARGET_NR_shmdt:
7746 ret = do_shmdt(arg1);
7747 break;
eeb438c1 7748#endif
31e31b8a
FB		 7749 case TARGET_NR_fsync:
7750 ret = get_errno(fsync(arg1));
7751 break;
31e31b8a 7752 case TARGET_NR_clone:
4ce6243d
PM		 7753 /* Linux manages to have three different orderings for its
7754 * arguments to clone(); the BACKWARDS and BACKWARDS2 defines
7755 * match the kernel's CONFIG_CLONE_* settings.
7756 * Microblaze is further special in that it uses a sixth
7757 * implicit argument to clone for the TLS pointer.
7758 */
7759#if defined(TARGET_MICROBLAZE)
a5b3bdcb 7760 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
4ce6243d
PM		 7761#elif defined(TARGET_CLONE_BACKWARDS)
7762 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
7763#elif defined(TARGET_CLONE_BACKWARDS2)
a4c075f1 7764 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
0b6d3ae0 7765#else
4ce6243d 7766 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
0b6d3ae0 7767#endif
1b6b029e 7768 break;
ec86b0fb
FB		 7769#ifdef __NR_exit_group
7770 /* new thread calls */
7771 case TARGET_NR_exit_group:
9788c9ca 7772#ifdef TARGET_GPROF
6d946cda
AJ		 7773 _mcleanup();
7774#endif
e9009676 7775 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 7776 ret = get_errno(exit_group(arg1));
7777 break;
7778#endif
31e31b8a 7779 case TARGET_NR_setdomainname:
579a97f7
FB		 7780 if (!(p = lock_user_string(arg1)))
7781 goto efault;
53a5960a
PB		 7782 ret = get_errno(setdomainname(p, arg2));
7783 unlock_user(p, arg1, 0);
31e31b8a
FB		 7784 break;
7785 case TARGET_NR_uname:
7786 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 7787 {
7788 struct new_utsname * buf;
3b46e624 7789
579a97f7
FB		 7790 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
7791 goto efault;
29e619b1
FB		 7792 ret = get_errno(sys_uname(buf));
7793 if (!is_error(ret)) {
7794 /* Overrite the native machine name with whatever is being
7795 emulated. */
da79030f 7796 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 7797 /* Allow the user to override the reported release. */
7798 if (qemu_uname_release && *qemu_uname_release)
7799 strcpy (buf->release, qemu_uname_release);
29e619b1 7800 }
53a5960a 7801 unlock_user_struct(buf, arg1, 1);
29e619b1 7802 }
31e31b8a 7803 break;
6dbad63e 7804#ifdef TARGET_I386
31e31b8a 7805 case TARGET_NR_modify_ldt:
03acab66 7806 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 7807 break;
84409ddb 7808#if !defined(TARGET_X86_64)
5cd4393b
FB		 7809 case TARGET_NR_vm86old:
7810 goto unimplemented;
7811 case TARGET_NR_vm86:
53a5960a 7812 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 7813 break;
84409ddb 7814#endif
6dbad63e 7815#endif
31e31b8a
FB		 7816 case TARGET_NR_adjtimex:
7817 goto unimplemented;
e5febef5 7818#ifdef TARGET_NR_create_module
31e31b8a 7819 case TARGET_NR_create_module:
e5febef5 7820#endif
31e31b8a
FB		 7821 case TARGET_NR_init_module:
7822 case TARGET_NR_delete_module:
e5febef5 7823#ifdef TARGET_NR_get_kernel_syms
31e31b8a 7824 case TARGET_NR_get_kernel_syms:
e5febef5 7825#endif
31e31b8a
FB		 7826 goto unimplemented;
7827 case TARGET_NR_quotactl:
7828 goto unimplemented;
7829 case TARGET_NR_getpgid:
7830 ret = get_errno(getpgid(arg1));
7831 break;
7832 case TARGET_NR_fchdir:
7833 ret = get_errno(fchdir(arg1));
7834 break;
84409ddb 7835#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 7836 case TARGET_NR_bdflush:
7837 goto unimplemented;
84409ddb 7838#endif
e5febef5 7839#ifdef TARGET_NR_sysfs
31e31b8a
FB		 7840 case TARGET_NR_sysfs:
7841 goto unimplemented;
e5febef5 7842#endif
31e31b8a 7843 case TARGET_NR_personality:
1b6b029e 7844 ret = get_errno(personality(arg1));
31e31b8a 7845 break;
e5febef5 7846#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 7847 case TARGET_NR_afs_syscall:
7848 goto unimplemented;
e5febef5 7849#endif
7a3148a9 7850#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 7851 case TARGET_NR__llseek:
7852 {
0c1592d9 7853 int64_t res;
d35b261c 7854#if !defined(__NR_llseek)
0c1592d9
PM		 7855 res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
7856 if (res == -1) {
7857 ret = get_errno(res);
7858 } else {
7859 ret = 0;
7860 }
4f2ac237 7861#else
31e31b8a 7862 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4f2ac237 7863#endif
0c1592d9
PM		 7864 if ((ret == 0) && put_user_s64(res, arg4)) {
7865 goto efault;
7866 }
31e31b8a
FB		 7867 }
7868 break;
7a3148a9 7869#endif
704eff6c 7870#ifdef TARGET_NR_getdents
31e31b8a 7871 case TARGET_NR_getdents:
3307e236 7872#ifdef __NR_getdents
d83c8733 7873#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 7874 {
53a5960a 7875 struct target_dirent *target_dirp;
6556a833 7876 struct linux_dirent *dirp;
992f48a0 7877 abi_long count = arg3;
4add45b4
FB		 7878
7879 dirp = malloc(count);
0da46a6e 7880 if (!dirp) {
579a97f7 7881 ret = -TARGET_ENOMEM;
0da46a6e
TS		 7882 goto fail;
7883 }
3b46e624 7884
4add45b4
FB		 7885 ret = get_errno(sys_getdents(arg1, dirp, count));
7886 if (!is_error(ret)) {
6556a833 7887 struct linux_dirent *de;
4add45b4
FB		 7888 struct target_dirent *tde;
7889 int len = ret;
7890 int reclen, treclen;
7891 int count1, tnamelen;
7892
7893 count1 = 0;
7894 de = dirp;
579a97f7
FB		 7895 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7896 goto efault;
4add45b4
FB		 7897 tde = target_dirp;
7898 while (len > 0) {
7899 reclen = de->d_reclen;
333858b7
DL		 7900 tnamelen = reclen - offsetof(struct linux_dirent, d_name);
7901 assert(tnamelen >= 0);
7902 treclen = tnamelen + offsetof(struct target_dirent, d_name);
7903 assert(count1 + treclen <= count);
4add45b4 7904 tde->d_reclen = tswap16(treclen);
cbb21eed
MB		 7905 tde->d_ino = tswapal(de->d_ino);
7906 tde->d_off = tswapal(de->d_off);
333858b7 7907 memcpy(tde->d_name, de->d_name, tnamelen);
6556a833 7908 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 7909 len -= reclen;
1c5bf3bf 7910 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 7911 count1 += treclen;
7912 }
7913 ret = count1;
579a97f7 7914 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 7915 }
7916 free(dirp);
7917 }
7918#else
31e31b8a 7919 {
6556a833 7920 struct linux_dirent *dirp;
992f48a0 7921 abi_long count = arg3;
dab2ed99 7922
579a97f7
FB		 7923 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7924 goto efault;
72f03900 7925 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 7926 if (!is_error(ret)) {
6556a833 7927 struct linux_dirent *de;
31e31b8a
FB		 7928 int len = ret;
7929 int reclen;
7930 de = dirp;
7931 while (len > 0) {
8083a3e5 7932 reclen = de->d_reclen;
31e31b8a
FB		 7933 if (reclen > len)
7934 break;
8083a3e5 7935 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 7936 tswapls(&de->d_ino);
7937 tswapls(&de->d_off);
6556a833 7938 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 7939 len -= reclen;
7940 }
7941 }
53a5960a 7942 unlock_user(dirp, arg2, ret);
3307e236
PM		 7943 }
7944#endif
7945#else
7946 /* Implement getdents in terms of getdents64 */
7947 {
7948 struct linux_dirent64 *dirp;
7949 abi_long count = arg3;
7950
7951 dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
7952 if (!dirp) {
7953 goto efault;
7954 }
7955 ret = get_errno(sys_getdents64(arg1, dirp, count));
7956 if (!is_error(ret)) {
7957 /* Convert the dirent64 structs to target dirent. We do this
7958 * in-place, since we can guarantee that a target_dirent is no
7959 * larger than a dirent64; however this means we have to be
7960 * careful to read everything before writing in the new format.
7961 */
7962 struct linux_dirent64 *de;
7963 struct target_dirent *tde;
7964 int len = ret;
7965 int tlen = 0;
7966
7967 de = dirp;
7968 tde = (struct target_dirent *)dirp;
7969 while (len > 0) {
7970 int namelen, treclen;
7971 int reclen = de->d_reclen;
7972 uint64_t ino = de->d_ino;
7973 int64_t off = de->d_off;
7974 uint8_t type = de->d_type;
7975
7976 namelen = strlen(de->d_name);
7977 treclen = offsetof(struct target_dirent, d_name)
7978 + namelen + 2;
7979 treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long));
7980
7981 memmove(tde->d_name, de->d_name, namelen + 1);
7982 tde->d_ino = tswapal(ino);
7983 tde->d_off = tswapal(off);
7984 tde->d_reclen = tswap16(treclen);
7985 /* The target_dirent type is in what was formerly a padding
7986 * byte at the end of the structure:
7987 */
7988 *(((char *)tde) + treclen - 1) = type;
7989
7990 de = (struct linux_dirent64 *)((char *)de + reclen);
7991 tde = (struct target_dirent *)((char *)tde + treclen);
7992 len -= reclen;
7993 tlen += treclen;
7994 }
7995 ret = tlen;
7996 }
7997 unlock_user(dirp, arg2, ret);
31e31b8a 7998 }
4add45b4 7999#endif
31e31b8a 8000 break;
704eff6c 8001#endif /* TARGET_NR_getdents */
3ae43202 8002#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 8003 case TARGET_NR_getdents64:
8004 {
6556a833 8005 struct linux_dirent64 *dirp;
992f48a0 8006 abi_long count = arg3;
579a97f7
FB		 8007 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
8008 goto efault;
dab2ed99
FB		 8009 ret = get_errno(sys_getdents64(arg1, dirp, count));
8010 if (!is_error(ret)) {
6556a833 8011 struct linux_dirent64 *de;
dab2ed99
FB		 8012 int len = ret;
8013 int reclen;
8014 de = dirp;
8015 while (len > 0) {
8083a3e5 8016 reclen = de->d_reclen;
dab2ed99
FB		 8017 if (reclen > len)
8018 break;
8083a3e5 8019 de->d_reclen = tswap16(reclen);
8582a53a
FB		 8020 tswap64s((uint64_t *)&de->d_ino);
8021 tswap64s((uint64_t *)&de->d_off);
6556a833 8022 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 8023 len -= reclen;
8024 }
8025 }
53a5960a 8026 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 8027 }
8028 break;
a541f297 8029#endif /* TARGET_NR_getdents64 */
9468a5d4 8030#if defined(TARGET_NR__newselect)
31e31b8a 8031 case TARGET_NR__newselect:
53a5960a 8032 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 8033 break;
e5febef5 8034#endif
d8035d4c
MF		 8035#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
8036# ifdef TARGET_NR_poll
9de5e440 8037 case TARGET_NR_poll:
d8035d4c
MF		 8038# endif
8039# ifdef TARGET_NR_ppoll
8040 case TARGET_NR_ppoll:
8041# endif
9de5e440 8042 {
53a5960a 8043 struct target_pollfd *target_pfd;
9de5e440
FB		 8044 unsigned int nfds = arg2;
8045 int timeout = arg3;
8046 struct pollfd *pfd;
7854b056 8047 unsigned int i;
9de5e440 8048
3e24bb3f
LV		 8049 pfd = NULL;
8050 target_pfd = NULL;
8051 if (nfds) {
8052 target_pfd = lock_user(VERIFY_WRITE, arg1,
8053 sizeof(struct target_pollfd) * nfds, 1);
8054 if (!target_pfd) {
8055 goto efault;
8056 }
d8035d4c 8057
3e24bb3f
LV		 8058 pfd = alloca(sizeof(struct pollfd) * nfds);
8059 for (i = 0; i < nfds; i++) {
8060 pfd[i].fd = tswap32(target_pfd[i].fd);
8061 pfd[i].events = tswap16(target_pfd[i].events);
8062 }
9de5e440 8063 }
d8035d4c
MF		 8064
8065# ifdef TARGET_NR_ppoll
8066 if (num == TARGET_NR_ppoll) {
8067 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
8068 target_sigset_t *target_set;
8069 sigset_t _set, *set = &_set;
8070
8071 if (arg3) {
8072 if (target_to_host_timespec(timeout_ts, arg3)) {
8073 unlock_user(target_pfd, arg1, 0);
8074 goto efault;
8075 }
8076 } else {
8077 timeout_ts = NULL;
8078 }
8079
8080 if (arg4) {
8081 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
8082 if (!target_set) {
8083 unlock_user(target_pfd, arg1, 0);
8084 goto efault;
8085 }
8086 target_to_host_sigset(set, target_set);
8087 } else {
8088 set = NULL;
8089 }
8090
8091 ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
8092
8093 if (!is_error(ret) && arg3) {
8094 host_to_target_timespec(arg3, timeout_ts);
8095 }
8096 if (arg4) {
8097 unlock_user(target_set, arg4, 0);
8098 }
8099 } else
8100# endif
8101 ret = get_errno(poll(pfd, nfds, timeout));
8102
9de5e440
FB		 8103 if (!is_error(ret)) {
8104 for(i = 0; i < nfds; i++) {
5cd4393b 8105 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 8106 }
8107 }
30cb4cde 8108 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9de5e440
FB		 8109 }
8110 break;
e5febef5 8111#endif
31e31b8a 8112 case TARGET_NR_flock:
9de5e440
FB		 8113 /* NOTE: the flock constant seems to be the same for every
8114 Linux platform */
8115 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 8116 break;
8117 case TARGET_NR_readv:
8118 {
f287b2c2
RH		 8119 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
8120 if (vec != NULL) {
8121 ret = get_errno(readv(arg1, vec, arg3));
8122 unlock_iovec(vec, arg2, arg3, 1);
8123 } else {
8124 ret = -host_to_target_errno(errno);
8125 }
31e31b8a
FB		 8126 }
8127 break;
8128 case TARGET_NR_writev:
8129 {
f287b2c2
RH		 8130 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
8131 if (vec != NULL) {
8132 ret = get_errno(writev(arg1, vec, arg3));
8133 unlock_iovec(vec, arg2, arg3, 0);
8134 } else {
8135 ret = -host_to_target_errno(errno);
8136 }
31e31b8a
FB		 8137 }
8138 break;
8139 case TARGET_NR_getsid:
8140 ret = get_errno(getsid(arg1));
8141 break;
7a3148a9 8142#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 8143 case TARGET_NR_fdatasync:
5cd4393b
FB		 8144 ret = get_errno(fdatasync(arg1));
8145 break;
7a3148a9 8146#endif
704eff6c 8147#ifdef TARGET_NR__sysctl
31e31b8a 8148 case TARGET_NR__sysctl:
0da46a6e 8149 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 8150 return value. */
0da46a6e
TS		 8151 ret = -TARGET_ENOTDIR;
8152 break;
704eff6c 8153#endif
737de1d1
MF		 8154 case TARGET_NR_sched_getaffinity:
8155 {
8156 unsigned int mask_size;
8157 unsigned long *mask;
8158
8159 /*
8160 * sched_getaffinity needs multiples of ulong, so need to take
8161 * care of mismatches between target ulong and host ulong sizes.
8162 */
8163 if (arg2 & (sizeof(abi_ulong) - 1)) {
8164 ret = -TARGET_EINVAL;
8165 break;
8166 }
8167 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
8168
8169 mask = alloca(mask_size);
8170 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
8171
8172 if (!is_error(ret)) {
be3bd286
PM		 8173 if (ret > arg2) {
8174 /* More data returned than the caller's buffer will fit.
8175 * This only happens if sizeof(abi_long) < sizeof(long)
8176 * and the caller passed us a buffer holding an odd number
8177 * of abi_longs. If the host kernel is actually using the
8178 * extra 4 bytes then fail EINVAL; otherwise we can just
8179 * ignore them and only copy the interesting part.
8180 */
8181 int numcpus = sysconf(_SC_NPROCESSORS_CONF);
8182 if (numcpus > arg2 * 8) {
8183 ret = -TARGET_EINVAL;
8184 break;
8185 }
8186 ret = arg2;
8187 }
8188
cd18f05e 8189 if (copy_to_user(arg3, mask, ret)) {
737de1d1
MF		 8190 goto efault;
8191 }
737de1d1
MF		 8192 }
8193 }
8194 break;
8195 case TARGET_NR_sched_setaffinity:
8196 {
8197 unsigned int mask_size;
8198 unsigned long *mask;
8199
8200 /*
8201 * sched_setaffinity needs multiples of ulong, so need to take
8202 * care of mismatches between target ulong and host ulong sizes.
8203 */
8204 if (arg2 & (sizeof(abi_ulong) - 1)) {
8205 ret = -TARGET_EINVAL;
8206 break;
8207 }
8208 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
8209
8210 mask = alloca(mask_size);
8211 if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
8212 goto efault;
8213 }
8214 memcpy(mask, p, arg2);
8215 unlock_user_struct(p, arg2, 0);
8216
8217 ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
8218 }
8219 break;
31e31b8a 8220 case TARGET_NR_sched_setparam:
5cd4393b 8221 {
53a5960a 8222 struct sched_param *target_schp;
5cd4393b 8223 struct sched_param schp;
53a5960a 8224
a1d5c5b2
TM		 8225 if (arg2 == 0) {
8226 return -TARGET_EINVAL;
8227 }
579a97f7
FB		 8228 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
8229 goto efault;
5cd4393b 8230 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 8231 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 8232 ret = get_errno(sched_setparam(arg1, &schp));
8233 }
8234 break;
31e31b8a 8235 case TARGET_NR_sched_getparam:
5cd4393b 8236 {
53a5960a 8237 struct sched_param *target_schp;
5cd4393b 8238 struct sched_param schp;
a1d5c5b2
TM		 8239
8240 if (arg2 == 0) {
8241 return -TARGET_EINVAL;
8242 }
5cd4393b
FB		 8243 ret = get_errno(sched_getparam(arg1, &schp));
8244 if (!is_error(ret)) {
579a97f7
FB		 8245 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
8246 goto efault;
5cd4393b 8247 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 8248 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 8249 }
8250 }
8251 break;
31e31b8a 8252 case TARGET_NR_sched_setscheduler:
5cd4393b 8253 {
53a5960a 8254 struct sched_param *target_schp;
5cd4393b 8255 struct sched_param schp;
a1d5c5b2
TM		 8256 if (arg3 == 0) {
8257 return -TARGET_EINVAL;
8258 }
579a97f7
FB		 8259 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
8260 goto efault;
5cd4393b 8261 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 8262 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 8263 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
8264 }
8265 break;
31e31b8a 8266 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 8267 ret = get_errno(sched_getscheduler(arg1));
8268 break;
31e31b8a
FB		 8269 case TARGET_NR_sched_yield:
8270 ret = get_errno(sched_yield());
8271 break;
8272 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 8273 ret = get_errno(sched_get_priority_max(arg1));
8274 break;
31e31b8a 8275 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 8276 ret = get_errno(sched_get_priority_min(arg1));
8277 break;
31e31b8a 8278 case TARGET_NR_sched_rr_get_interval:
5cd4393b 8279 {
5cd4393b
FB		 8280 struct timespec ts;
8281 ret = get_errno(sched_rr_get_interval(arg1, &ts));
8282 if (!is_error(ret)) {
d4290c40 8283 ret = host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 8284 }
8285 }
8286 break;
31e31b8a 8287 case TARGET_NR_nanosleep:
1b6b029e 8288 {
1b6b029e 8289 struct timespec req, rem;
53a5960a 8290 target_to_host_timespec(&req, arg1);
1b6b029e 8291 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 8292 if (is_error(ret) && arg2) {
8293 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 8294 }
8295 }
8296 break;
e5febef5 8297#ifdef TARGET_NR_query_module
31e31b8a 8298 case TARGET_NR_query_module:
5cd4393b 8299 goto unimplemented;
e5febef5
TS		 8300#endif
8301#ifdef TARGET_NR_nfsservctl
31e31b8a 8302 case TARGET_NR_nfsservctl:
5cd4393b 8303 goto unimplemented;
e5febef5 8304#endif
31e31b8a 8305 case TARGET_NR_prctl:
1e6722f8
PM		 8306 switch (arg1) {
8307 case PR_GET_PDEATHSIG:
8308 {
8309 int deathsig;
8310 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
8311 if (!is_error(ret) && arg2
8312 && put_user_ual(deathsig, arg2)) {
8313 goto efault;
e5574487 8314 }
1e6722f8
PM		 8315 break;
8316 }
db9526b1
PM		 8317#ifdef PR_GET_NAME
8318 case PR_GET_NAME:
8319 {
8320 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
8321 if (!name) {
8322 goto efault;
8323 }
8324 ret = get_errno(prctl(arg1, (unsigned long)name,
8325 arg3, arg4, arg5));
8326 unlock_user(name, arg2, 16);
8327 break;
8328 }
8329 case PR_SET_NAME:
8330 {
8331 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
8332 if (!name) {
8333 goto efault;
8334 }
8335 ret = get_errno(prctl(arg1, (unsigned long)name,
8336 arg3, arg4, arg5));
8337 unlock_user(name, arg2, 0);
8338 break;
8339 }
8340#endif
1e6722f8
PM		 8341 default:
8342 /* Most prctl options have no pointer arguments */
8343 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
8344 break;
8345 }
39b9aae1 8346 break;
d2fd1af7
FB		 8347#ifdef TARGET_NR_arch_prctl
8348 case TARGET_NR_arch_prctl:
8349#if defined(TARGET_I386) && !defined(TARGET_ABI32)
8350 ret = do_arch_prctl(cpu_env, arg1, arg2);
8351 break;
8352#else
8353 goto unimplemented;
8354#endif
8355#endif
f2c7ba15
AJ		 8356#ifdef TARGET_NR_pread64
8357 case TARGET_NR_pread64:
ae017a5b
AG		 8358 if (regpairs_aligned(cpu_env)) {
8359 arg4 = arg5;
8360 arg5 = arg6;
8361 }
f2c7ba15
AJ		 8362 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
8363 goto efault;
8364 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
8365 unlock_user(p, arg2, ret);
8366 break;
8367 case TARGET_NR_pwrite64:
ae017a5b
AG		 8368 if (regpairs_aligned(cpu_env)) {
8369 arg4 = arg5;
8370 arg5 = arg6;
8371 }
f2c7ba15
AJ		 8372 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
8373 goto efault;
8374 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
8375 unlock_user(p, arg2, 0);
8376 break;
67867308 8377#endif
31e31b8a 8378 case TARGET_NR_getcwd:
579a97f7
FB		 8379 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
8380 goto efault;
53a5960a
PB		 8381 ret = get_errno(sys_getcwd1(p, arg2));
8382 unlock_user(p, arg1, ret);
31e31b8a
FB		 8383 break;
8384 case TARGET_NR_capget:
8385 case TARGET_NR_capset:
e0eb210e
PM		 8386 {
8387 struct target_user_cap_header *target_header;
8388 struct target_user_cap_data *target_data = NULL;
8389 struct __user_cap_header_struct header;
8390 struct __user_cap_data_struct data[2];
8391 struct __user_cap_data_struct *dataptr = NULL;
8392 int i, target_datalen;
8393 int data_items = 1;
8394
8395 if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
8396 goto efault;
8397 }
8398 header.version = tswap32(target_header->version);
8399 header.pid = tswap32(target_header->pid);
8400
ec864874 8401 if (header.version != _LINUX_CAPABILITY_VERSION) {
e0eb210e
PM		 8402 /* Version 2 and up takes pointer to two user_data structs */
8403 data_items = 2;
8404 }
8405
8406 target_datalen = sizeof(*target_data) * data_items;
8407
8408 if (arg2) {
8409 if (num == TARGET_NR_capget) {
8410 target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0);
8411 } else {
8412 target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1);
8413 }
8414 if (!target_data) {
8415 unlock_user_struct(target_header, arg1, 0);
8416 goto efault;
8417 }
8418
8419 if (num == TARGET_NR_capset) {
8420 for (i = 0; i < data_items; i++) {
8421 data[i].effective = tswap32(target_data[i].effective);
8422 data[i].permitted = tswap32(target_data[i].permitted);
8423 data[i].inheritable = tswap32(target_data[i].inheritable);
8424 }
8425 }
8426
8427 dataptr = data;
8428 }
8429
8430 if (num == TARGET_NR_capget) {
8431 ret = get_errno(capget(&header, dataptr));
8432 } else {
8433 ret = get_errno(capset(&header, dataptr));
8434 }
8435
8436 /* The kernel always updates version for both capget and capset */
8437 target_header->version = tswap32(header.version);
8438 unlock_user_struct(target_header, arg1, 1);
8439
8440 if (arg2) {
8441 if (num == TARGET_NR_capget) {
8442 for (i = 0; i < data_items; i++) {
8443 target_data[i].effective = tswap32(data[i].effective);
8444 target_data[i].permitted = tswap32(data[i].permitted);
8445 target_data[i].inheritable = tswap32(data[i].inheritable);
8446 }
8447 unlock_user(target_data, arg2, target_datalen);
8448 } else {
8449 unlock_user(target_data, arg2, 0);
8450 }
8451 }
8452 break;
8453 }
31e31b8a 8454 case TARGET_NR_sigaltstack:
198a74de 8455#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154 8456 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
d962783e 8457 defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC)
9349b4f9 8458 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env));
a04e134a
TS		 8459 break;
8460#else
5cd4393b 8461 goto unimplemented;
a04e134a 8462#endif
a8fd1aba
PM		 8463
8464#ifdef CONFIG_SENDFILE
8465 case TARGET_NR_sendfile:
8466 {
8467 off_t *offp = NULL;
8468 off_t off;
8469 if (arg3) {
8470 ret = get_user_sal(off, arg3);
8471 if (is_error(ret)) {
8472 break;
8473 }
8474 offp = &off;
8475 }
8476 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
8477 if (!is_error(ret) && arg3) {
8478 abi_long ret2 = put_user_sal(off, arg3);
8479 if (is_error(ret2)) {
8480 ret = ret2;
8481 }
8482 }
8483 break;
8484 }
8485#ifdef TARGET_NR_sendfile64
8486 case TARGET_NR_sendfile64:
8487 {
8488 off_t *offp = NULL;
8489 off_t off;
8490 if (arg3) {
8491 ret = get_user_s64(off, arg3);
8492 if (is_error(ret)) {
8493 break;
8494 }
8495 offp = &off;
8496 }
8497 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
8498 if (!is_error(ret) && arg3) {
8499 abi_long ret2 = put_user_s64(off, arg3);
8500 if (is_error(ret2)) {
8501 ret = ret2;
8502 }
8503 }
8504 break;
8505 }
8506#endif
8507#else
31e31b8a 8508 case TARGET_NR_sendfile:
7edd2cf1 8509#ifdef TARGET_NR_sendfile64
a8fd1aba
PM		 8510 case TARGET_NR_sendfile64:
8511#endif
5cd4393b 8512 goto unimplemented;
a8fd1aba
PM		 8513#endif
8514
ebc05488 8515#ifdef TARGET_NR_getpmsg
31e31b8a 8516 case TARGET_NR_getpmsg:
5cd4393b 8517 goto unimplemented;
ebc05488
FB		 8518#endif
8519#ifdef TARGET_NR_putpmsg
31e31b8a 8520 case TARGET_NR_putpmsg:
5cd4393b 8521 goto unimplemented;
ebc05488 8522#endif
048f6b4d 8523#ifdef TARGET_NR_vfork
31e31b8a 8524 case TARGET_NR_vfork:
d865bab5
PB		 8525 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
8526 0, 0, 0, 0));
31e31b8a 8527 break;
048f6b4d 8528#endif
ebc05488 8529#ifdef TARGET_NR_ugetrlimit
31e31b8a 8530 case TARGET_NR_ugetrlimit:
728584be
FB		 8531 {
8532 struct rlimit rlim;
e22b7015
WT		 8533 int resource = target_to_host_resource(arg1);
8534 ret = get_errno(getrlimit(resource, &rlim));
728584be 8535 if (!is_error(ret)) {
53a5960a 8536 struct target_rlimit *target_rlim;
579a97f7
FB		 8537 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
8538 goto efault;
81bbe906
TY		 8539 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
8540 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 8541 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 8542 }
8543 break;
8544 }
ebc05488 8545#endif
a315a145 8546#ifdef TARGET_NR_truncate64
31e31b8a 8547 case TARGET_NR_truncate64:
579a97f7
FB		 8548 if (!(p = lock_user_string(arg1)))
8549 goto efault;
53a5960a
PB		 8550 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
8551 unlock_user(p, arg1, 0);
667f38b1 8552 break;
a315a145
FB		 8553#endif
8554#ifdef TARGET_NR_ftruncate64
31e31b8a 8555 case TARGET_NR_ftruncate64:
ce4defa0 8556 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 8557 break;
a315a145
FB		 8558#endif
8559#ifdef TARGET_NR_stat64
31e31b8a 8560 case TARGET_NR_stat64:
579a97f7
FB		 8561 if (!(p = lock_user_string(arg1)))
8562 goto efault;
53a5960a
PB		 8563 ret = get_errno(stat(path(p), &st));
8564 unlock_user(p, arg1, 0);
6a24a778
AZ		 8565 if (!is_error(ret))
8566 ret = host_to_target_stat64(cpu_env, arg2, &st);
8567 break;
a315a145
FB		 8568#endif
8569#ifdef TARGET_NR_lstat64
31e31b8a 8570 case TARGET_NR_lstat64:
579a97f7
FB		 8571 if (!(p = lock_user_string(arg1)))
8572 goto efault;
53a5960a
PB		 8573 ret = get_errno(lstat(path(p), &st));
8574 unlock_user(p, arg1, 0);
6a24a778
AZ		 8575 if (!is_error(ret))
8576 ret = host_to_target_stat64(cpu_env, arg2, &st);
8577 break;
a315a145
FB		 8578#endif
8579#ifdef TARGET_NR_fstat64
31e31b8a 8580 case TARGET_NR_fstat64:
6a24a778
AZ		 8581 ret = get_errno(fstat(arg1, &st));
8582 if (!is_error(ret))
8583 ret = host_to_target_stat64(cpu_env, arg2, &st);
8584 break;
ce4defa0 8585#endif
c0d472b1 8586#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
9d33b76b 8587#ifdef TARGET_NR_fstatat64
6a24a778 8588 case TARGET_NR_fstatat64:
9d33b76b
AJ		 8589#endif
8590#ifdef TARGET_NR_newfstatat
8591 case TARGET_NR_newfstatat:
8592#endif
6a24a778
AZ		 8593 if (!(p = lock_user_string(arg2)))
8594 goto efault;
c0d472b1 8595 ret = get_errno(fstatat(arg1, path(p), &st, arg4));
6a24a778
AZ		 8596 if (!is_error(ret))
8597 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 8598 break;
a315a145 8599#endif
704eff6c 8600#ifdef TARGET_NR_lchown
67867308 8601 case TARGET_NR_lchown:
579a97f7
FB		 8602 if (!(p = lock_user_string(arg1)))
8603 goto efault;
53a5960a
PB		 8604 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
8605 unlock_user(p, arg1, 0);
67867308 8606 break;
704eff6c 8607#endif
0c866a7e 8608#ifdef TARGET_NR_getuid
67867308
FB		 8609 case TARGET_NR_getuid:
8610 ret = get_errno(high2lowuid(getuid()));
8611 break;
0c866a7e
RV		 8612#endif
8613#ifdef TARGET_NR_getgid
67867308
FB		 8614 case TARGET_NR_getgid:
8615 ret = get_errno(high2lowgid(getgid()));
8616 break;
0c866a7e
RV		 8617#endif
8618#ifdef TARGET_NR_geteuid
67867308
FB		 8619 case TARGET_NR_geteuid:
8620 ret = get_errno(high2lowuid(geteuid()));
8621 break;
0c866a7e
RV		 8622#endif
8623#ifdef TARGET_NR_getegid
67867308
FB		 8624 case TARGET_NR_getegid:
8625 ret = get_errno(high2lowgid(getegid()));
8626 break;
0c866a7e 8627#endif
67867308
FB		 8628 case TARGET_NR_setreuid:
8629 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
8630 break;
8631 case TARGET_NR_setregid:
8632 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
8633 break;
8634 case TARGET_NR_getgroups:
8635 {
8636 int gidsetsize = arg1;
0c866a7e 8637 target_id *target_grouplist;
67867308
FB		 8638 gid_t *grouplist;
8639 int i;
8640
8641 grouplist = alloca(gidsetsize * sizeof(gid_t));
8642 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 8643 if (gidsetsize == 0)
8644 break;
67867308 8645 if (!is_error(ret)) {
03903ffc 8646 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
579a97f7
FB		 8647 if (!target_grouplist)
8648 goto efault;
a2155fcc 8649 for(i = 0;i < ret; i++)
0c866a7e 8650 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
03903ffc 8651 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
67867308
FB		 8652 }
8653 }
8654 break;
8655 case TARGET_NR_setgroups:
8656 {
8657 int gidsetsize = arg1;
0c866a7e 8658 target_id *target_grouplist;
f2b79ce9 8659 gid_t *grouplist = NULL;
67867308 8660 int i;
f2b79ce9
DA		 8661 if (gidsetsize) {
8662 grouplist = alloca(gidsetsize * sizeof(gid_t));
03903ffc 8663 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
f2b79ce9
DA		 8664 if (!target_grouplist) {
8665 ret = -TARGET_EFAULT;
8666 goto fail;
8667 }
8668 for (i = 0; i < gidsetsize; i++) {
8669 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
8670 }
8671 unlock_user(target_grouplist, arg2, 0);
579a97f7 8672 }
67867308
FB		 8673 ret = get_errno(setgroups(gidsetsize, grouplist));
8674 }
8675 break;
8676 case TARGET_NR_fchown:
8677 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
8678 break;
c0d472b1 8679#if defined(TARGET_NR_fchownat)
ccfa72b7 8680 case TARGET_NR_fchownat:
579a97f7
FB		 8681 if (!(p = lock_user_string(arg2)))
8682 goto efault;
c0d472b1
PM		 8683 ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
8684 low2highgid(arg4), arg5));
579a97f7 8685 unlock_user(p, arg2, 0);
ccfa72b7
TS		 8686 break;
8687#endif
67867308
FB		 8688#ifdef TARGET_NR_setresuid
8689 case TARGET_NR_setresuid:
5fafdf24
TS		 8690 ret = get_errno(setresuid(low2highuid(arg1),
8691 low2highuid(arg2),
67867308
FB		 8692 low2highuid(arg3)));
8693 break;
8694#endif
8695#ifdef TARGET_NR_getresuid
8696 case TARGET_NR_getresuid:
8697 {
53a5960a 8698 uid_t ruid, euid, suid;
67867308
FB		 8699 ret = get_errno(getresuid(&ruid, &euid, &suid));
8700 if (!is_error(ret)) {
76ca310a
PM		 8701 if (put_user_id(high2lowuid(ruid), arg1)
8702 || put_user_id(high2lowuid(euid), arg2)
8703 || put_user_id(high2lowuid(suid), arg3))
2f619698 8704 goto efault;
67867308
FB		 8705 }
8706 }
8707 break;
8708#endif
8709#ifdef TARGET_NR_getresgid
8710 case TARGET_NR_setresgid:
5fafdf24
TS		 8711 ret = get_errno(setresgid(low2highgid(arg1),
8712 low2highgid(arg2),
67867308
FB		 8713 low2highgid(arg3)));
8714 break;
8715#endif
8716#ifdef TARGET_NR_getresgid
8717 case TARGET_NR_getresgid:
8718 {
53a5960a 8719 gid_t rgid, egid, sgid;
67867308
FB		 8720 ret = get_errno(getresgid(&rgid, &egid, &sgid));
8721 if (!is_error(ret)) {
76ca310a
PM		 8722 if (put_user_id(high2lowgid(rgid), arg1)
8723 || put_user_id(high2lowgid(egid), arg2)
8724 || put_user_id(high2lowgid(sgid), arg3))
2f619698 8725 goto efault;
67867308
FB		 8726 }
8727 }
8728 break;
8729#endif
704eff6c 8730#ifdef TARGET_NR_chown
67867308 8731 case TARGET_NR_chown:
579a97f7
FB		 8732 if (!(p = lock_user_string(arg1)))
8733 goto efault;
53a5960a
PB		 8734 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
8735 unlock_user(p, arg1, 0);
67867308 8736 break;
704eff6c 8737#endif
67867308
FB		 8738 case TARGET_NR_setuid:
8739 ret = get_errno(setuid(low2highuid(arg1)));
8740 break;
8741 case TARGET_NR_setgid:
8742 ret = get_errno(setgid(low2highgid(arg1)));
8743 break;
8744 case TARGET_NR_setfsuid:
8745 ret = get_errno(setfsuid(arg1));
8746 break;
8747 case TARGET_NR_setfsgid:
8748 ret = get_errno(setfsgid(arg1));
8749 break;
67867308 8750
a315a145 8751#ifdef TARGET_NR_lchown32
31e31b8a 8752 case TARGET_NR_lchown32:
579a97f7
FB		 8753 if (!(p = lock_user_string(arg1)))
8754 goto efault;
53a5960a
PB		 8755 ret = get_errno(lchown(p, arg2, arg3));
8756 unlock_user(p, arg1, 0);
b03c60f3 8757 break;
a315a145
FB		 8758#endif
8759#ifdef TARGET_NR_getuid32
31e31b8a 8760 case TARGET_NR_getuid32:
b03c60f3
FB		 8761 ret = get_errno(getuid());
8762 break;
a315a145 8763#endif
64b4d28c
AJ		 8764
8765#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
8766 /* Alpha specific */
8767 case TARGET_NR_getxuid:
ba0e276d
RH		 8768 {
8769 uid_t euid;
8770 euid=geteuid();
8771 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
8772 }
64b4d28c
AJ		 8773 ret = get_errno(getuid());
8774 break;
8775#endif
8776#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
8777 /* Alpha specific */
8778 case TARGET_NR_getxgid:
ba0e276d
RH		 8779 {
8780 uid_t egid;
8781 egid=getegid();
8782 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
8783 }
64b4d28c
AJ		 8784 ret = get_errno(getgid());
8785 break;
8786#endif
ba0e276d
RH		 8787#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
8788 /* Alpha specific */
8789 case TARGET_NR_osf_getsysinfo:
8790 ret = -TARGET_EOPNOTSUPP;
8791 switch (arg1) {
8792 case TARGET_GSI_IEEE_FP_CONTROL:
8793 {
8794 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
8795
8796 /* Copied from linux ieee_fpcr_to_swcr. */
8797 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
8798 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
8799 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
8800 | SWCR_TRAP_ENABLE_DZE
8801 | SWCR_TRAP_ENABLE_OVF);
8802 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
8803 | SWCR_TRAP_ENABLE_INE);
8804 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
8805 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
8806
8807 if (put_user_u64 (swcr, arg2))
8808 goto efault;
8809 ret = 0;
8810 }
8811 break;
8812
8813 /* case GSI_IEEE_STATE_AT_SIGNAL:
8814 -- Not implemented in linux kernel.
8815 case GSI_UACPROC:
8816 -- Retrieves current unaligned access state; not much used.
8817 case GSI_PROC_TYPE:
8818 -- Retrieves implver information; surely not used.
8819 case GSI_GET_HWRPB:
8820 -- Grabs a copy of the HWRPB; surely not used.
8821 */
8822 }
8823 break;
8824#endif
8825#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
8826 /* Alpha specific */
8827 case TARGET_NR_osf_setsysinfo:
8828 ret = -TARGET_EOPNOTSUPP;
8829 switch (arg1) {
8830 case TARGET_SSI_IEEE_FP_CONTROL:
ba0e276d
RH		 8831 {
8832 uint64_t swcr, fpcr, orig_fpcr;
8833
6e06d515 8834 if (get_user_u64 (swcr, arg2)) {
ba0e276d 8835 goto efault;
6e06d515
RH		 8836 }
8837 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d
RH		 8838 fpcr = orig_fpcr & FPCR_DYN_MASK;
8839
8840 /* Copied from linux ieee_swcr_to_fpcr. */
8841 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
8842 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
8843 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
8844 | SWCR_TRAP_ENABLE_DZE
8845 | SWCR_TRAP_ENABLE_OVF)) << 48;
8846 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
8847 | SWCR_TRAP_ENABLE_INE)) << 57;
8848 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
8849 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
8850
6e06d515 8851 cpu_alpha_store_fpcr(cpu_env, fpcr);
ba0e276d 8852 ret = 0;
6e06d515
RH		 8853 }
8854 break;
8855
8856 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
8857 {
8858 uint64_t exc, fpcr, orig_fpcr;
8859 int si_code;
8860
8861 if (get_user_u64(exc, arg2)) {
8862 goto efault;
8863 }
ba0e276d 8864
6e06d515 8865 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d 8866
6e06d515
RH		 8867 /* We only add to the exception status here. */
8868 fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
8869
8870 cpu_alpha_store_fpcr(cpu_env, fpcr);
8871 ret = 0;
8872
8873 /* Old exceptions are not signaled. */
8874 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
8875
8876 /* If any exceptions set by this call,
8877 and are unmasked, send a signal. */
8878 si_code = 0;
8879 if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
8880 si_code = TARGET_FPE_FLTRES;
8881 }
8882 if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
8883 si_code = TARGET_FPE_FLTUND;
8884 }
8885 if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
8886 si_code = TARGET_FPE_FLTOVF;
8887 }
8888 if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
8889 si_code = TARGET_FPE_FLTDIV;
8890 }
8891 if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
8892 si_code = TARGET_FPE_FLTINV;
8893 }
8894 if (si_code != 0) {
8895 target_siginfo_t info;
8896 info.si_signo = SIGFPE;
8897 info.si_errno = 0;
8898 info.si_code = si_code;
8899 info._sifields._sigfault._addr
8900 = ((CPUArchState *)cpu_env)->pc;
8901 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
ba0e276d
RH		 8902 }
8903 }
8904 break;
8905
8906 /* case SSI_NVPAIRS:
8907 -- Used with SSIN_UACPROC to enable unaligned accesses.
8908 case SSI_IEEE_STATE_AT_SIGNAL:
8909 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
8910 -- Not implemented in linux kernel
8911 */
8912 }
8913 break;
8914#endif
8915#ifdef TARGET_NR_osf_sigprocmask
8916 /* Alpha specific. */
8917 case TARGET_NR_osf_sigprocmask:
8918 {
8919 abi_ulong mask;
bc088ba1 8920 int how;
ba0e276d
RH		 8921 sigset_t set, oldset;
8922
8923 switch(arg1) {
8924 case TARGET_SIG_BLOCK:
8925 how = SIG_BLOCK;
8926 break;
8927 case TARGET_SIG_UNBLOCK:
8928 how = SIG_UNBLOCK;
8929 break;
8930 case TARGET_SIG_SETMASK:
8931 how = SIG_SETMASK;
8932 break;
8933 default:
8934 ret = -TARGET_EINVAL;
8935 goto fail;
8936 }
8937 mask = arg2;
8938 target_to_host_old_sigset(&set, &mask);
1c275925 8939 do_sigprocmask(how, &set, &oldset);
ba0e276d
RH		 8940 host_to_target_old_sigset(&mask, &oldset);
8941 ret = mask;
8942 }
8943 break;
8944#endif
64b4d28c 8945
a315a145 8946#ifdef TARGET_NR_getgid32
31e31b8a 8947 case TARGET_NR_getgid32:
b03c60f3
FB		 8948 ret = get_errno(getgid());
8949 break;
a315a145
FB		 8950#endif
8951#ifdef TARGET_NR_geteuid32
31e31b8a 8952 case TARGET_NR_geteuid32:
b03c60f3
FB		 8953 ret = get_errno(geteuid());
8954 break;
a315a145
FB		 8955#endif
8956#ifdef TARGET_NR_getegid32
31e31b8a 8957 case TARGET_NR_getegid32:
b03c60f3
FB		 8958 ret = get_errno(getegid());
8959 break;
a315a145
FB		 8960#endif
8961#ifdef TARGET_NR_setreuid32
31e31b8a 8962 case TARGET_NR_setreuid32:
b03c60f3
FB		 8963 ret = get_errno(setreuid(arg1, arg2));
8964 break;
a315a145
FB		 8965#endif
8966#ifdef TARGET_NR_setregid32
31e31b8a 8967 case TARGET_NR_setregid32:
b03c60f3
FB		 8968 ret = get_errno(setregid(arg1, arg2));
8969 break;
a315a145
FB		 8970#endif
8971#ifdef TARGET_NR_getgroups32
31e31b8a 8972 case TARGET_NR_getgroups32:
99c475ab
FB		 8973 {
8974 int gidsetsize = arg1;
53a5960a 8975 uint32_t *target_grouplist;
99c475ab
FB		 8976 gid_t *grouplist;
8977 int i;
8978
8979 grouplist = alloca(gidsetsize * sizeof(gid_t));
8980 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 8981 if (gidsetsize == 0)
8982 break;
99c475ab 8983 if (!is_error(ret)) {
579a97f7
FB		 8984 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
8985 if (!target_grouplist) {
8986 ret = -TARGET_EFAULT;
8987 goto fail;
8988 }
a2155fcc 8989 for(i = 0;i < ret; i++)
53a5960a
PB		 8990 target_grouplist[i] = tswap32(grouplist[i]);
8991 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 8992 }
8993 }
8994 break;
a315a145
FB		 8995#endif
8996#ifdef TARGET_NR_setgroups32
31e31b8a 8997 case TARGET_NR_setgroups32:
99c475ab
FB		 8998 {
8999 int gidsetsize = arg1;
53a5960a 9000 uint32_t *target_grouplist;
99c475ab
FB		 9001 gid_t *grouplist;
9002 int i;
3b46e624 9003
99c475ab 9004 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 9005 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
9006 if (!target_grouplist) {
9007 ret = -TARGET_EFAULT;
9008 goto fail;
9009 }
99c475ab 9010 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 9011 grouplist[i] = tswap32(target_grouplist[i]);
9012 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 9013 ret = get_errno(setgroups(gidsetsize, grouplist));
9014 }
9015 break;
a315a145
FB		 9016#endif
9017#ifdef TARGET_NR_fchown32
31e31b8a 9018 case TARGET_NR_fchown32:
b03c60f3
FB		 9019 ret = get_errno(fchown(arg1, arg2, arg3));
9020 break;
a315a145
FB		 9021#endif
9022#ifdef TARGET_NR_setresuid32
31e31b8a 9023 case TARGET_NR_setresuid32:
b03c60f3
FB		 9024 ret = get_errno(setresuid(arg1, arg2, arg3));
9025 break;
a315a145
FB		 9026#endif
9027#ifdef TARGET_NR_getresuid32
31e31b8a 9028 case TARGET_NR_getresuid32:
b03c60f3 9029 {
53a5960a 9030 uid_t ruid, euid, suid;
b03c60f3
FB		 9031 ret = get_errno(getresuid(&ruid, &euid, &suid));
9032 if (!is_error(ret)) {
2f619698
FB		 9033 if (put_user_u32(ruid, arg1)
9034 || put_user_u32(euid, arg2)
9035 || put_user_u32(suid, arg3))
9036 goto efault;
b03c60f3
FB		 9037 }
9038 }
9039 break;
a315a145
FB		 9040#endif
9041#ifdef TARGET_NR_setresgid32
31e31b8a 9042 case TARGET_NR_setresgid32:
b03c60f3
FB		 9043 ret = get_errno(setresgid(arg1, arg2, arg3));
9044 break;
a315a145
FB		 9045#endif
9046#ifdef TARGET_NR_getresgid32
31e31b8a 9047 case TARGET_NR_getresgid32:
b03c60f3 9048 {
53a5960a 9049 gid_t rgid, egid, sgid;
b03c60f3
FB		 9050 ret = get_errno(getresgid(&rgid, &egid, &sgid));
9051 if (!is_error(ret)) {
2f619698
FB		 9052 if (put_user_u32(rgid, arg1)
9053 || put_user_u32(egid, arg2)
9054 || put_user_u32(sgid, arg3))
9055 goto efault;
b03c60f3
FB		 9056 }
9057 }
9058 break;
a315a145
FB		 9059#endif
9060#ifdef TARGET_NR_chown32
31e31b8a 9061 case TARGET_NR_chown32:
579a97f7
FB		 9062 if (!(p = lock_user_string(arg1)))
9063 goto efault;
53a5960a
PB		 9064 ret = get_errno(chown(p, arg2, arg3));
9065 unlock_user(p, arg1, 0);
b03c60f3 9066 break;
a315a145
FB		 9067#endif
9068#ifdef TARGET_NR_setuid32
31e31b8a 9069 case TARGET_NR_setuid32:
b03c60f3
FB		 9070 ret = get_errno(setuid(arg1));
9071 break;
a315a145
FB		 9072#endif
9073#ifdef TARGET_NR_setgid32
31e31b8a 9074 case TARGET_NR_setgid32:
b03c60f3
FB		 9075 ret = get_errno(setgid(arg1));
9076 break;
a315a145
FB		 9077#endif
9078#ifdef TARGET_NR_setfsuid32
31e31b8a 9079 case TARGET_NR_setfsuid32:
b03c60f3
FB		 9080 ret = get_errno(setfsuid(arg1));
9081 break;
a315a145
FB		 9082#endif
9083#ifdef TARGET_NR_setfsgid32
31e31b8a 9084 case TARGET_NR_setfsgid32:
b03c60f3
FB		 9085 ret = get_errno(setfsgid(arg1));
9086 break;
a315a145 9087#endif
67867308 9088
31e31b8a 9089 case TARGET_NR_pivot_root:
b03c60f3 9090 goto unimplemented;
ffa65c3b 9091#ifdef TARGET_NR_mincore
31e31b8a 9092 case TARGET_NR_mincore:
04bb9ace
AJ		 9093 {
9094 void *a;
9095 ret = -TARGET_EFAULT;
9096 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
9097 goto efault;
9098 if (!(p = lock_user_string(arg3)))
9099 goto mincore_fail;
9100 ret = get_errno(mincore(a, arg2, p));
9101 unlock_user(p, arg3, ret);
9102 mincore_fail:
9103 unlock_user(a, arg1, 0);
9104 }
9105 break;
ffa65c3b 9106#endif
408321b6
AJ		 9107#ifdef TARGET_NR_arm_fadvise64_64
9108 case TARGET_NR_arm_fadvise64_64:
9109 {
9110 /*
9111 * arm_fadvise64_64 looks like fadvise64_64 but
9112 * with different argument order
9113 */
9114 abi_long temp;
9115 temp = arg3;
9116 arg3 = arg4;
9117 arg4 = temp;
9118 }
9119#endif
e72d2cc7 9120#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 9121#ifdef TARGET_NR_fadvise64_64
9122 case TARGET_NR_fadvise64_64:
9123#endif
e72d2cc7
UH		 9124#ifdef TARGET_NR_fadvise64
9125 case TARGET_NR_fadvise64:
9126#endif
9127#ifdef TARGET_S390X
9128 switch (arg4) {
9129 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
9130 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
9131 case 6: arg4 = POSIX_FADV_DONTNEED; break;
9132 case 7: arg4 = POSIX_FADV_NOREUSE; break;
9133 default: break;
9134 }
9135#endif
9136 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 9137 break;
9138#endif
ffa65c3b 9139#ifdef TARGET_NR_madvise
31e31b8a 9140 case TARGET_NR_madvise:
24836689 9141 /* A straight passthrough may not be safe because qemu sometimes
d2d6b857 9142 turns private file-backed mappings into anonymous mappings.
24836689
PB		 9143 This will break MADV_DONTNEED.
9144 This is a hint, so ignoring and returning success is ok. */
9145 ret = get_errno(0);
9146 break;
ffa65c3b 9147#endif
992f48a0 9148#if TARGET_ABI_BITS == 32
31e31b8a 9149 case TARGET_NR_fcntl64:
77e4672d 9150 {
b1e341eb 9151 int cmd;
77e4672d 9152 struct flock64 fl;
53a5960a 9153 struct target_flock64 *target_fl;
ce4defa0 9154#ifdef TARGET_ARM
53a5960a 9155 struct target_eabi_flock64 *target_efl;
ce4defa0 9156#endif
77e4672d 9157
5f106811 9158 cmd = target_to_host_fcntl_cmd(arg2);
31b63193
PM		 9159 if (cmd == -TARGET_EINVAL) {
9160 ret = cmd;
9161 break;
9162 }
b1e341eb 9163
60cd49d5 9164 switch(arg2) {
b1e341eb 9165 case TARGET_F_GETLK64:
5813427b
TS		 9166#ifdef TARGET_ARM
9167 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 9168 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
9169 goto efault;
5813427b
TS		 9170 fl.l_type = tswap16(target_efl->l_type);
9171 fl.l_whence = tswap16(target_efl->l_whence);
9172 fl.l_start = tswap64(target_efl->l_start);
9173 fl.l_len = tswap64(target_efl->l_len);
7e22e546 9174 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 9175 unlock_user_struct(target_efl, arg3, 0);
9176 } else
9177#endif
9178 {
9ee1fa2c
FB		 9179 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
9180 goto efault;
5813427b
TS		 9181 fl.l_type = tswap16(target_fl->l_type);
9182 fl.l_whence = tswap16(target_fl->l_whence);
9183 fl.l_start = tswap64(target_fl->l_start);
9184 fl.l_len = tswap64(target_fl->l_len);
7e22e546 9185 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 9186 unlock_user_struct(target_fl, arg3, 0);
9187 }
b1e341eb 9188 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 9189 if (ret == 0) {
ce4defa0
PB		 9190#ifdef TARGET_ARM
9191 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 9192 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
9193 goto efault;
ce4defa0
PB		 9194 target_efl->l_type = tswap16(fl.l_type);
9195 target_efl->l_whence = tswap16(fl.l_whence);
9196 target_efl->l_start = tswap64(fl.l_start);
9197 target_efl->l_len = tswap64(fl.l_len);
7e22e546 9198 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 9199 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 9200 } else
9201#endif
9202 {
9ee1fa2c
FB		 9203 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
9204 goto efault;
ce4defa0
PB		 9205 target_fl->l_type = tswap16(fl.l_type);
9206 target_fl->l_whence = tswap16(fl.l_whence);
9207 target_fl->l_start = tswap64(fl.l_start);
9208 target_fl->l_len = tswap64(fl.l_len);
7e22e546 9209 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 9210 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 9211 }
77e4672d
FB		 9212 }
9213 break;
9214
b1e341eb
TS		 9215 case TARGET_F_SETLK64:
9216 case TARGET_F_SETLKW64:
ce4defa0
PB		 9217#ifdef TARGET_ARM
9218 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 9219 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
9220 goto efault;
ce4defa0
PB		 9221 fl.l_type = tswap16(target_efl->l_type);
9222 fl.l_whence = tswap16(target_efl->l_whence);
9223 fl.l_start = tswap64(target_efl->l_start);
9224 fl.l_len = tswap64(target_efl->l_len);
7e22e546 9225 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 9226 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 9227 } else
9228#endif
9229 {
9ee1fa2c
FB		 9230 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
9231 goto efault;
ce4defa0
PB		 9232 fl.l_type = tswap16(target_fl->l_type);
9233 fl.l_whence = tswap16(target_fl->l_whence);
9234 fl.l_start = tswap64(target_fl->l_start);
9235 fl.l_len = tswap64(target_fl->l_len);
7e22e546 9236 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 9237 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 9238 }
b1e341eb 9239 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 9240 break;
60cd49d5 9241 default:
5f106811 9242 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 9243 break;
9244 }
77e4672d
FB		 9245 break;
9246 }
60cd49d5 9247#endif
7d600c80
TS		 9248#ifdef TARGET_NR_cacheflush
9249 case TARGET_NR_cacheflush:
9250 /* self-modifying code is handled automatically, so nothing needed */
9251 ret = 0;
9252 break;
9253#endif
ebc05488 9254#ifdef TARGET_NR_security
31e31b8a
FB		 9255 case TARGET_NR_security:
9256 goto unimplemented;
c573ff67
FB		 9257#endif
9258#ifdef TARGET_NR_getpagesize
9259 case TARGET_NR_getpagesize:
9260 ret = TARGET_PAGE_SIZE;
9261 break;
ebc05488 9262#endif
31e31b8a
FB		 9263 case TARGET_NR_gettid:
9264 ret = get_errno(gettid());
9265 break;
e5febef5 9266#ifdef TARGET_NR_readahead
31e31b8a 9267 case TARGET_NR_readahead:
2054ac9b 9268#if TARGET_ABI_BITS == 32
48e515d4 9269 if (regpairs_aligned(cpu_env)) {
2054ac9b
AJ		 9270 arg2 = arg3;
9271 arg3 = arg4;
9272 arg4 = arg5;
9273 }
2054ac9b
AJ		 9274 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
9275#else
9276 ret = get_errno(readahead(arg1, arg2, arg3));
9277#endif
9278 break;
e5febef5 9279#endif
a790ae38 9280#ifdef CONFIG_ATTR
ebc05488 9281#ifdef TARGET_NR_setxattr
31e31b8a
FB		 9282 case TARGET_NR_listxattr:
9283 case TARGET_NR_llistxattr:
fb5590f7
PM		 9284 {
9285 void *p, *b = 0;
9286 if (arg2) {
9287 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
9288 if (!b) {
9289 ret = -TARGET_EFAULT;
9290 break;
9291 }
9292 }
9293 p = lock_user_string(arg1);
9294 if (p) {
9295 if (num == TARGET_NR_listxattr) {
9296 ret = get_errno(listxattr(p, b, arg3));
9297 } else {
9298 ret = get_errno(llistxattr(p, b, arg3));
9299 }
9300 } else {
9301 ret = -TARGET_EFAULT;
9302 }
9303 unlock_user(p, arg1, 0);
9304 unlock_user(b, arg2, arg3);
9305 break;
9306 }
31e31b8a 9307 case TARGET_NR_flistxattr:
fb5590f7
PM		 9308 {
9309 void *b = 0;
9310 if (arg2) {
9311 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
9312 if (!b) {
9313 ret = -TARGET_EFAULT;
9314 break;
9315 }
9316 }
9317 ret = get_errno(flistxattr(arg1, b, arg3));
9318 unlock_user(b, arg2, arg3);
6f932f91 9319 break;
fb5590f7 9320 }
a790ae38 9321 case TARGET_NR_setxattr:
30297b55 9322 case TARGET_NR_lsetxattr:
a790ae38 9323 {
e3c33ec6
PM		 9324 void *p, *n, *v = 0;
9325 if (arg3) {
9326 v = lock_user(VERIFY_READ, arg3, arg4, 1);
9327 if (!v) {
9328 ret = -TARGET_EFAULT;
9329 break;
9330 }
9331 }
a790ae38
ACH		 9332 p = lock_user_string(arg1);
9333 n = lock_user_string(arg2);
e3c33ec6 9334 if (p && n) {
30297b55
PM		 9335 if (num == TARGET_NR_setxattr) {
9336 ret = get_errno(setxattr(p, n, v, arg4, arg5));
9337 } else {
9338 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
9339 }
a790ae38
ACH		 9340 } else {
9341 ret = -TARGET_EFAULT;
9342 }
9343 unlock_user(p, arg1, 0);
9344 unlock_user(n, arg2, 0);
9345 unlock_user(v, arg3, 0);
9346 }
9347 break;
30297b55
PM		 9348 case TARGET_NR_fsetxattr:
9349 {
9350 void *n, *v = 0;
9351 if (arg3) {
9352 v = lock_user(VERIFY_READ, arg3, arg4, 1);
9353 if (!v) {
9354 ret = -TARGET_EFAULT;
9355 break;
9356 }
9357 }
9358 n = lock_user_string(arg2);
9359 if (n) {
9360 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
9361 } else {
9362 ret = -TARGET_EFAULT;
9363 }
9364 unlock_user(n, arg2, 0);
9365 unlock_user(v, arg3, 0);
9366 }
9367 break;
a790ae38 9368 case TARGET_NR_getxattr:
30297b55 9369 case TARGET_NR_lgetxattr:
a790ae38 9370 {
e3c33ec6
PM		 9371 void *p, *n, *v = 0;
9372 if (arg3) {
9373 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
9374 if (!v) {
9375 ret = -TARGET_EFAULT;
9376 break;
9377 }
9378 }
a790ae38
ACH		 9379 p = lock_user_string(arg1);
9380 n = lock_user_string(arg2);
e3c33ec6 9381 if (p && n) {
30297b55
PM		 9382 if (num == TARGET_NR_getxattr) {
9383 ret = get_errno(getxattr(p, n, v, arg4));
9384 } else {
9385 ret = get_errno(lgetxattr(p, n, v, arg4));
9386 }
a790ae38
ACH		 9387 } else {
9388 ret = -TARGET_EFAULT;
9389 }
9390 unlock_user(p, arg1, 0);
9391 unlock_user(n, arg2, 0);
9392 unlock_user(v, arg3, arg4);
9393 }
9394 break;
30297b55
PM		 9395 case TARGET_NR_fgetxattr:
9396 {
9397 void *n, *v = 0;
9398 if (arg3) {
9399 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
9400 if (!v) {
9401 ret = -TARGET_EFAULT;
9402 break;
9403 }
9404 }
9405 n = lock_user_string(arg2);
9406 if (n) {
9407 ret = get_errno(fgetxattr(arg1, n, v, arg4));
9408 } else {
9409 ret = -TARGET_EFAULT;
9410 }
9411 unlock_user(n, arg2, 0);
9412 unlock_user(v, arg3, arg4);
9413 }
9414 break;
a790ae38 9415 case TARGET_NR_removexattr:
30297b55 9416 case TARGET_NR_lremovexattr:
a790ae38
ACH		 9417 {
9418 void *p, *n;
9419 p = lock_user_string(arg1);
9420 n = lock_user_string(arg2);
9421 if (p && n) {
30297b55
PM		 9422 if (num == TARGET_NR_removexattr) {
9423 ret = get_errno(removexattr(p, n));
9424 } else {
9425 ret = get_errno(lremovexattr(p, n));
9426 }
a790ae38
ACH		 9427 } else {
9428 ret = -TARGET_EFAULT;
9429 }
9430 unlock_user(p, arg1, 0);
9431 unlock_user(n, arg2, 0);
9432 }
9433 break;
30297b55
PM		 9434 case TARGET_NR_fremovexattr:
9435 {
9436 void *n;
9437 n = lock_user_string(arg2);
9438 if (n) {
9439 ret = get_errno(fremovexattr(arg1, n));
9440 } else {
9441 ret = -TARGET_EFAULT;
9442 }
9443 unlock_user(n, arg2, 0);
9444 }
9445 break;
ebc05488 9446#endif
a790ae38 9447#endif /* CONFIG_ATTR */
ebc05488 9448#ifdef TARGET_NR_set_thread_area
5cd4393b 9449 case TARGET_NR_set_thread_area:
8d18e893 9450#if defined(TARGET_MIPS)
d279279e 9451 ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1;
6f5b89a0
TS		 9452 ret = 0;
9453 break;
ef96779b
EI		 9454#elif defined(TARGET_CRIS)
9455 if (arg1 & 0xff)
9456 ret = -TARGET_EINVAL;
9457 else {
9458 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
9459 ret = 0;
9460 }
9461 break;
8d18e893
FB		 9462#elif defined(TARGET_I386) && defined(TARGET_ABI32)
9463 ret = do_set_thread_area(cpu_env, arg1);
9464 break;
1ccd9374
PM		 9465#elif defined(TARGET_M68K)
9466 {
0429a971 9467 TaskState *ts = cpu->opaque;
1ccd9374 9468 ts->tp_value = arg1;
95c1eb19 9469 ret = 0;
1ccd9374
PM		 9470 break;
9471 }
6f5b89a0
TS		 9472#else
9473 goto unimplemented_nowarn;
9474#endif
9475#endif
9476#ifdef TARGET_NR_get_thread_area
5cd4393b 9477 case TARGET_NR_get_thread_area:
8d18e893
FB		 9478#if defined(TARGET_I386) && defined(TARGET_ABI32)
9479 ret = do_get_thread_area(cpu_env, arg1);
d312bbe1 9480 break;
1ccd9374
PM		 9481#elif defined(TARGET_M68K)
9482 {
0429a971 9483 TaskState *ts = cpu->opaque;
1ccd9374
PM		 9484 ret = ts->tp_value;
9485 break;
9486 }
8d18e893 9487#else
5cd4393b 9488 goto unimplemented_nowarn;
48dc41eb 9489#endif
8d18e893 9490#endif
48dc41eb
FB		 9491#ifdef TARGET_NR_getdomainname
9492 case TARGET_NR_getdomainname:
9493 goto unimplemented_nowarn;
ebc05488 9494#endif
6f5b89a0 9495
b5906f95
TS		 9496#ifdef TARGET_NR_clock_gettime
9497 case TARGET_NR_clock_gettime:
9498 {
9499 struct timespec ts;
9500 ret = get_errno(clock_gettime(arg1, &ts));
9501 if (!is_error(ret)) {
9502 host_to_target_timespec(arg2, &ts);
9503 }
9504 break;
9505 }
9506#endif
9507#ifdef TARGET_NR_clock_getres
9508 case TARGET_NR_clock_getres:
9509 {
9510 struct timespec ts;
9511 ret = get_errno(clock_getres(arg1, &ts));
9512 if (!is_error(ret)) {
9513 host_to_target_timespec(arg2, &ts);
9514 }
9515 break;
9516 }
9517#endif
63d7651b
PB		 9518#ifdef TARGET_NR_clock_nanosleep
9519 case TARGET_NR_clock_nanosleep:
9520 {
9521 struct timespec ts;
9522 target_to_host_timespec(&ts, arg3);
9523 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
9524 if (arg4)
9525 host_to_target_timespec(arg4, &ts);
8fbe8fdf
TM		 9526
9527#if defined(TARGET_PPC)
9528 /* clock_nanosleep is odd in that it returns positive errno values.
9529 * On PPC, CR0 bit 3 should be set in such a situation. */
9530 if (ret) {
9531 ((CPUPPCState *)cpu_env)->crf[0] |= 1;
9532 }
9533#endif
63d7651b
PB		 9534 break;
9535 }
9536#endif
b5906f95 9537
6f5b89a0
TS		 9538#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
9539 case TARGET_NR_set_tid_address:
579a97f7
FB		 9540 ret = get_errno(set_tid_address((int *)g2h(arg1)));
9541 break;
6f5b89a0
TS		 9542#endif
9543
3ae43202 9544#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 9545 case TARGET_NR_tkill:
4cb05961 9546 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 9547 break;
9548#endif
9549
3ae43202 9550#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 9551 case TARGET_NR_tgkill:
4cb05961
PB		 9552 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
9553 target_to_host_signal(arg3)));
71455574
TS		 9554 break;
9555#endif
9556
4f2b1fe8
TS		 9557#ifdef TARGET_NR_set_robust_list
9558 case TARGET_NR_set_robust_list:
e9a970a8
PM		 9559 case TARGET_NR_get_robust_list:
9560 /* The ABI for supporting robust futexes has userspace pass
9561 * the kernel a pointer to a linked list which is updated by
9562 * userspace after the syscall; the list is walked by the kernel
9563 * when the thread exits. Since the linked list in QEMU guest
9564 * memory isn't a valid linked list for the host and we have
9565 * no way to reliably intercept the thread-death event, we can't
9566 * support these. Silently return ENOSYS so that guest userspace
9567 * falls back to a non-robust futex implementation (which should
9568 * be OK except in the corner case of the guest crashing while
9569 * holding a mutex that is shared with another process via
9570 * shared memory).
9571 */
9572 goto unimplemented_nowarn;
4f2b1fe8
TS		 9573#endif
9574
1acae9f2 9575#if defined(TARGET_NR_utimensat)
9007f0ef
TS		 9576 case TARGET_NR_utimensat:
9577 {
ebc996f3
RV		 9578 struct timespec *tsp, ts[2];
9579 if (!arg3) {
9580 tsp = NULL;
9581 } else {
9582 target_to_host_timespec(ts, arg3);
9583 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
9584 tsp = ts;
9585 }
9007f0ef 9586 if (!arg2)
ebc996f3 9587 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 9588 else {
579a97f7 9589 if (!(p = lock_user_string(arg2))) {
0da46a6e 9590 ret = -TARGET_EFAULT;
579a97f7
FB		 9591 goto fail;
9592 }
ebc996f3 9593 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 9594 unlock_user(p, arg2, 0);
9007f0ef
TS		 9595 }
9596 }
9597 break;
9598#endif
bd0c5661
PB		 9599 case TARGET_NR_futex:
9600 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
9601 break;
dbfe4c36 9602#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 9603 case TARGET_NR_inotify_init:
9604 ret = get_errno(sys_inotify_init());
9605 break;
9606#endif
a1606b0b 9607#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 9608#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
9609 case TARGET_NR_inotify_init1:
9610 ret = get_errno(sys_inotify_init1(arg1));
9611 break;
9612#endif
a1606b0b 9613#endif
dbfe4c36 9614#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 9615 case TARGET_NR_inotify_add_watch:
9616 p = lock_user_string(arg2);
9617 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
9618 unlock_user(p, arg2, 0);
9619 break;
9620#endif
dbfe4c36 9621#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 9622 case TARGET_NR_inotify_rm_watch:
9623 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
9624 break;
9625#endif
9007f0ef 9626
8ec9cf89 9627#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 9628 case TARGET_NR_mq_open:
9629 {
b6ce1f6b 9630 struct mq_attr posix_mq_attr, *attrp;
24e1003a
AJ		 9631
9632 p = lock_user_string(arg1 - 1);
b6ce1f6b 9633 if (arg4 != 0) {
24e1003a 9634 copy_from_user_mq_attr (&posix_mq_attr, arg4);
b6ce1f6b
TM		 9635 attrp = &posix_mq_attr;
9636 } else {
9637 attrp = 0;
9638 }
9639 ret = get_errno(mq_open(p, arg2, arg3, attrp));
24e1003a
AJ		 9640 unlock_user (p, arg1, 0);
9641 }
9642 break;
9643
9644 case TARGET_NR_mq_unlink:
9645 p = lock_user_string(arg1 - 1);
9646 ret = get_errno(mq_unlink(p));
9647 unlock_user (p, arg1, 0);
9648 break;
9649
9650 case TARGET_NR_mq_timedsend:
9651 {
9652 struct timespec ts;
9653
9654 p = lock_user (VERIFY_READ, arg2, arg3, 1);
9655 if (arg5 != 0) {
9656 target_to_host_timespec(&ts, arg5);
9657 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
9658 host_to_target_timespec(arg5, &ts);
9659 }
9660 else
9661 ret = get_errno(mq_send(arg1, p, arg3, arg4));
9662 unlock_user (p, arg2, arg3);
9663 }
9664 break;
9665
9666 case TARGET_NR_mq_timedreceive:
9667 {
9668 struct timespec ts;
9669 unsigned int prio;
9670
9671 p = lock_user (VERIFY_READ, arg2, arg3, 1);
9672 if (arg5 != 0) {
9673 target_to_host_timespec(&ts, arg5);
9674 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
9675 host_to_target_timespec(arg5, &ts);
9676 }
9677 else
9678 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
9679 unlock_user (p, arg2, arg3);
9680 if (arg4 != 0)
9681 put_user_u32(prio, arg4);
9682 }
9683 break;
9684
9685 /* Not implemented for now... */
9686/* case TARGET_NR_mq_notify: */
9687/* break; */
9688
9689 case TARGET_NR_mq_getsetattr:
9690 {
9691 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
9692 ret = 0;
9693 if (arg3 != 0) {
9694 ret = mq_getattr(arg1, &posix_mq_attr_out);
9695 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
9696 }
9697 if (arg2 != 0) {
9698 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
9699 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
9700 }
9701
9702 }
9703 break;
9704#endif
9705
3ce34dfb
VS		 9706#ifdef CONFIG_SPLICE
9707#ifdef TARGET_NR_tee
9708 case TARGET_NR_tee:
9709 {
9710 ret = get_errno(tee(arg1,arg2,arg3,arg4));
9711 }
9712 break;
9713#endif
9714#ifdef TARGET_NR_splice
9715 case TARGET_NR_splice:
9716 {
9717 loff_t loff_in, loff_out;
9718 loff_t *ploff_in = NULL, *ploff_out = NULL;
17644b36
AS		 9719 if (arg2) {
9720 if (get_user_u64(loff_in, arg2)) {
9721 goto efault;
9722 }
3ce34dfb
VS		 9723 ploff_in = &loff_in;
9724 }
17644b36
AS		 9725 if (arg4) {
9726 if (get_user_u64(loff_out, arg4)) {
9727 goto efault;
9728 }
3ce34dfb
VS		 9729 ploff_out = &loff_out;
9730 }
9731 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
17644b36
AS		 9732 if (arg2) {
9733 if (put_user_u64(loff_in, arg2)) {
9734 goto efault;
9735 }
9736 }
9737 if (arg4) {
9738 if (put_user_u64(loff_out, arg4)) {
9739 goto efault;
9740 }
9741 }
3ce34dfb
VS		 9742 }
9743 break;
9744#endif
9745#ifdef TARGET_NR_vmsplice
9746 case TARGET_NR_vmsplice:
9747 {
f287b2c2
RH		 9748 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
9749 if (vec != NULL) {
9750 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
9751 unlock_iovec(vec, arg2, arg3, 0);
9752 } else {
9753 ret = -host_to_target_errno(errno);
9754 }
3ce34dfb
VS		 9755 }
9756 break;
9757#endif
9758#endif /* CONFIG_SPLICE */
c2882b96
RV		 9759#ifdef CONFIG_EVENTFD
9760#if defined(TARGET_NR_eventfd)
9761 case TARGET_NR_eventfd:
9762 ret = get_errno(eventfd(arg1, 0));
e36800c9 9763 fd_trans_unregister(ret);
c2882b96
RV		 9764 break;
9765#endif
9766#if defined(TARGET_NR_eventfd2)
9767 case TARGET_NR_eventfd2:
5947c697
PJ		 9768 {
9769 int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
9770 if (arg2 & TARGET_O_NONBLOCK) {
9771 host_flags |= O_NONBLOCK;
9772 }
9773 if (arg2 & TARGET_O_CLOEXEC) {
9774 host_flags |= O_CLOEXEC;
9775 }
9776 ret = get_errno(eventfd(arg1, host_flags));
e36800c9 9777 fd_trans_unregister(ret);
c2882b96 9778 break;
5947c697 9779 }
c2882b96
RV		 9780#endif
9781#endif /* CONFIG_EVENTFD */
d0927938
UH		 9782#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
9783 case TARGET_NR_fallocate:
20249ae1
AG		 9784#if TARGET_ABI_BITS == 32
9785 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
9786 target_offset64(arg5, arg6)));
9787#else
d0927938 9788 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
20249ae1 9789#endif
d0927938 9790 break;
c727f47d
PM		 9791#endif
9792#if defined(CONFIG_SYNC_FILE_RANGE)
9793#if defined(TARGET_NR_sync_file_range)
9794 case TARGET_NR_sync_file_range:
9795#if TARGET_ABI_BITS == 32
bfcedc57
RV		 9796#if defined(TARGET_MIPS)
9797 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
9798 target_offset64(arg5, arg6), arg7));
9799#else
c727f47d
PM		 9800 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
9801 target_offset64(arg4, arg5), arg6));
bfcedc57 9802#endif /* !TARGET_MIPS */
c727f47d
PM		 9803#else
9804 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
9805#endif
9806 break;
9807#endif
9808#if defined(TARGET_NR_sync_file_range2)
9809 case TARGET_NR_sync_file_range2:
9810 /* This is like sync_file_range but the arguments are reordered */
9811#if TARGET_ABI_BITS == 32
9812 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
9813 target_offset64(arg5, arg6), arg2));
9814#else
9815 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
9816#endif
9817 break;
9818#endif
3b6edd16 9819#endif
e36800c9
LV		 9820#if defined(TARGET_NR_signalfd4)
9821 case TARGET_NR_signalfd4:
9822 ret = do_signalfd4(arg1, arg2, arg4);
9823 break;
9824#endif
9825#if defined(TARGET_NR_signalfd)
9826 case TARGET_NR_signalfd:
9827 ret = do_signalfd4(arg1, arg2, 0);
9828 break;
9829#endif
3b6edd16
PM		 9830#if defined(CONFIG_EPOLL)
9831#if defined(TARGET_NR_epoll_create)
9832 case TARGET_NR_epoll_create:
9833 ret = get_errno(epoll_create(arg1));
9834 break;
9835#endif
9836#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
9837 case TARGET_NR_epoll_create1:
9838 ret = get_errno(epoll_create1(arg1));
9839 break;
9840#endif
9841#if defined(TARGET_NR_epoll_ctl)
9842 case TARGET_NR_epoll_ctl:
9843 {
9844 struct epoll_event ep;
9845 struct epoll_event *epp = 0;
9846 if (arg4) {
9847 struct target_epoll_event *target_ep;
9848 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
9849 goto efault;
9850 }
9851 ep.events = tswap32(target_ep->events);
9852 /* The epoll_data_t union is just opaque data to the kernel,
9853 * so we transfer all 64 bits across and need not worry what
9854 * actual data type it is.
9855 */
9856 ep.data.u64 = tswap64(target_ep->data.u64);
9857 unlock_user_struct(target_ep, arg4, 0);
9858 epp = &ep;
9859 }
9860 ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
9861 break;
9862 }
9863#endif
9864
9865#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
9866#define IMPLEMENT_EPOLL_PWAIT
9867#endif
9868#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
9869#if defined(TARGET_NR_epoll_wait)
9870 case TARGET_NR_epoll_wait:
9871#endif
9872#if defined(IMPLEMENT_EPOLL_PWAIT)
9873 case TARGET_NR_epoll_pwait:
9874#endif
9875 {
9876 struct target_epoll_event *target_ep;
9877 struct epoll_event *ep;
9878 int epfd = arg1;
9879 int maxevents = arg3;
9880 int timeout = arg4;
9881
9882 target_ep = lock_user(VERIFY_WRITE, arg2,
9883 maxevents * sizeof(struct target_epoll_event), 1);
9884 if (!target_ep) {
9885 goto efault;
9886 }
9887
9888 ep = alloca(maxevents * sizeof(struct epoll_event));
9889
9890 switch (num) {
9891#if defined(IMPLEMENT_EPOLL_PWAIT)
9892 case TARGET_NR_epoll_pwait:
9893 {
9894 target_sigset_t *target_set;
9895 sigset_t _set, *set = &_set;
9896
9897 if (arg5) {
9898 target_set = lock_user(VERIFY_READ, arg5,
9899 sizeof(target_sigset_t), 1);
9900 if (!target_set) {
9901 unlock_user(target_ep, arg2, 0);
9902 goto efault;
9903 }
9904 target_to_host_sigset(set, target_set);
9905 unlock_user(target_set, arg5, 0);
9906 } else {
9907 set = NULL;
9908 }
9909
9910 ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
9911 break;
9912 }
9913#endif
9914#if defined(TARGET_NR_epoll_wait)
9915 case TARGET_NR_epoll_wait:
9916 ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
9917 break;
9918#endif
9919 default:
9920 ret = -TARGET_ENOSYS;
9921 }
9922 if (!is_error(ret)) {
9923 int i;
9924 for (i = 0; i < ret; i++) {
9925 target_ep[i].events = tswap32(ep[i].events);
9926 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
9927 }
9928 }
9929 unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
9930 break;
9931 }
9932#endif
163a05a8
PM		 9933#endif
9934#ifdef TARGET_NR_prlimit64
9935 case TARGET_NR_prlimit64:
9936 {
9937 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
9938 struct target_rlimit64 *target_rnew, *target_rold;
9939 struct host_rlimit64 rnew, rold, *rnewp = 0;
95018018 9940 int resource = target_to_host_resource(arg2);
163a05a8
PM		 9941 if (arg3) {
9942 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
9943 goto efault;
9944 }
9945 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
9946 rnew.rlim_max = tswap64(target_rnew->rlim_max);
9947 unlock_user_struct(target_rnew, arg3, 0);
9948 rnewp = &rnew;
9949 }
9950
95018018 9951 ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
163a05a8
PM		 9952 if (!is_error(ret) && arg4) {
9953 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
9954 goto efault;
9955 }
9956 target_rold->rlim_cur = tswap64(rold.rlim_cur);
9957 target_rold->rlim_max = tswap64(rold.rlim_max);
9958 unlock_user_struct(target_rold, arg4, 1);
9959 }
9960 break;
9961 }
3d21d29c
RH		 9962#endif
9963#ifdef TARGET_NR_gethostname
9964 case TARGET_NR_gethostname:
9965 {
9966 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
9967 if (name) {
9968 ret = get_errno(gethostname(name, arg2));
9969 unlock_user(name, arg1, arg2);
9970 } else {
9971 ret = -TARGET_EFAULT;
9972 }
9973 break;
9974 }
89aaf1a6
RV		 9975#endif
9976#ifdef TARGET_NR_atomic_cmpxchg_32
9977 case TARGET_NR_atomic_cmpxchg_32:
9978 {
9979 /* should use start_exclusive from main.c */
9980 abi_ulong mem_value;
9981 if (get_user_u32(mem_value, arg6)) {
9982 target_siginfo_t info;
9983 info.si_signo = SIGSEGV;
9984 info.si_errno = 0;
9985 info.si_code = TARGET_SEGV_MAPERR;
9986 info._sifields._sigfault._addr = arg6;
9987 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
9988 ret = 0xdeadbeef;
9989
9990 }
9991 if (mem_value == arg2)
9992 put_user_u32(arg1, arg6);
9993 ret = mem_value;
9994 break;
9995 }
9996#endif
9997#ifdef TARGET_NR_atomic_barrier
9998 case TARGET_NR_atomic_barrier:
9999 {
10000 /* Like the kernel implementation and the qemu arm barrier, no-op this? */
3b899ea7 10001 ret = 0;
89aaf1a6
RV		 10002 break;
10003 }
d0927938 10004#endif
f4f1e10a
ECL		 10005
10006#ifdef TARGET_NR_timer_create
10007 case TARGET_NR_timer_create:
10008 {
10009 /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */
10010
10011 struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL;
f4f1e10a
ECL		 10012
10013 int clkid = arg1;
10014 int timer_index = next_free_host_timer();
10015
10016 if (timer_index < 0) {
10017 ret = -TARGET_EAGAIN;
10018 } else {
10019 timer_t *phtimer = g_posix_timers + timer_index;
10020
10021 if (arg2) {
f4f1e10a 10022 phost_sevp = &host_sevp;
c065976f
PM		 10023 ret = target_to_host_sigevent(phost_sevp, arg2);
10024 if (ret != 0) {
10025 break;
10026 }
f4f1e10a
ECL		 10027 }
10028
10029 ret = get_errno(timer_create(clkid, phost_sevp, phtimer));
10030 if (ret) {
10031 phtimer = NULL;
10032 } else {
aecc8861 10033 if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) {
f4f1e10a
ECL		 10034 goto efault;
10035 }
f4f1e10a
ECL		 10036 }
10037 }
10038 break;
10039 }
10040#endif
10041
10042#ifdef TARGET_NR_timer_settime
10043 case TARGET_NR_timer_settime:
10044 {
10045 /* args: timer_t timerid, int flags, const struct itimerspec *new_value,
10046 * struct itimerspec * old_value */
aecc8861 10047 target_timer_t timerid = get_timer_id(arg1);
e52a99f7 10048
aecc8861
AG		 10049 if (timerid < 0) {
10050 ret = timerid;
10051 } else if (arg3 == 0) {
f4f1e10a
ECL		 10052 ret = -TARGET_EINVAL;
10053 } else {
e52a99f7 10054 timer_t htimer = g_posix_timers[timerid];
f4f1e10a
ECL		 10055 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
10056
10057 target_to_host_itimerspec(&hspec_new, arg3);
10058 ret = get_errno(
10059 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
10060 host_to_target_itimerspec(arg2, &hspec_old);
10061 }
10062 break;
10063 }
10064#endif
10065
10066#ifdef TARGET_NR_timer_gettime
10067 case TARGET_NR_timer_gettime:
10068 {
10069 /* args: timer_t timerid, struct itimerspec *curr_value */
aecc8861 10070 target_timer_t timerid = get_timer_id(arg1);
e52a99f7 10071
aecc8861
AG		 10072 if (timerid < 0) {
10073 ret = timerid;
10074 } else if (!arg2) {
10075 ret = -TARGET_EFAULT;
f4f1e10a 10076 } else {
e52a99f7 10077 timer_t htimer = g_posix_timers[timerid];
f4f1e10a
ECL		 10078 struct itimerspec hspec;
10079 ret = get_errno(timer_gettime(htimer, &hspec));
10080
10081 if (host_to_target_itimerspec(arg2, &hspec)) {
10082 ret = -TARGET_EFAULT;
10083 }
10084 }
10085 break;
10086 }
10087#endif
10088
10089#ifdef TARGET_NR_timer_getoverrun
10090 case TARGET_NR_timer_getoverrun:
10091 {
10092 /* args: timer_t timerid */
aecc8861 10093 target_timer_t timerid = get_timer_id(arg1);
e52a99f7 10094
aecc8861
AG		 10095 if (timerid < 0) {
10096 ret = timerid;
f4f1e10a 10097 } else {
e52a99f7 10098 timer_t htimer = g_posix_timers[timerid];
f4f1e10a
ECL		 10099 ret = get_errno(timer_getoverrun(htimer));
10100 }
e36800c9 10101 fd_trans_unregister(ret);
f4f1e10a
ECL		 10102 break;
10103 }
10104#endif
10105
10106#ifdef TARGET_NR_timer_delete
10107 case TARGET_NR_timer_delete:
10108 {
10109 /* args: timer_t timerid */
aecc8861 10110 target_timer_t timerid = get_timer_id(arg1);
e52a99f7 10111
aecc8861
AG		 10112 if (timerid < 0) {
10113 ret = timerid;
f4f1e10a 10114 } else {
e52a99f7 10115 timer_t htimer = g_posix_timers[timerid];
f4f1e10a 10116 ret = get_errno(timer_delete(htimer));
e52a99f7 10117 g_posix_timers[timerid] = 0;
f4f1e10a
ECL		 10118 }
10119 break;
10120 }
10121#endif
10122
51834341
RV		 10123#if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
10124 case TARGET_NR_timerfd_create:
10125 ret = get_errno(timerfd_create(arg1,
10126 target_to_host_bitmask(arg2, fcntl_flags_tbl)));
10127 break;
10128#endif
10129
10130#if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)
10131 case TARGET_NR_timerfd_gettime:
10132 {
10133 struct itimerspec its_curr;
10134
10135 ret = get_errno(timerfd_gettime(arg1, &its_curr));
10136
10137 if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) {
10138 goto efault;
10139 }
10140 }
10141 break;
10142#endif
10143
10144#if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
10145 case TARGET_NR_timerfd_settime:
10146 {
10147 struct itimerspec its_new, its_old, *p_new;
10148
10149 if (arg3) {
10150 if (target_to_host_itimerspec(&its_new, arg3)) {
10151 goto efault;
10152 }
10153 p_new = &its_new;
10154 } else {
10155 p_new = NULL;
10156 }
10157
10158 ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
10159
10160 if (arg4 && host_to_target_itimerspec(arg4, &its_old)) {
10161 goto efault;
10162 }
10163 }
10164 break;
10165#endif
10166
ab31cda3
PB		 10167#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
10168 case TARGET_NR_ioprio_get:
10169 ret = get_errno(ioprio_get(arg1, arg2));
10170 break;
10171#endif
10172
10173#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
10174 case TARGET_NR_ioprio_set:
10175 ret = get_errno(ioprio_set(arg1, arg2, arg3));
10176 break;
10177#endif
10178
9af5c906
RV		 10179#if defined(TARGET_NR_setns) && defined(CONFIG_SETNS)
10180 case TARGET_NR_setns:
10181 ret = get_errno(setns(arg1, arg2));
10182 break;
10183#endif
10184#if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS)
10185 case TARGET_NR_unshare:
10186 ret = get_errno(unshare(arg1));
10187 break;
10188#endif
10189
31e31b8a
FB		 10190 default:
10191 unimplemented:
5cd4393b 10192 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 10193#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 10194 unimplemented_nowarn:
80a9d035 10195#endif
0da46a6e 10196 ret = -TARGET_ENOSYS;
31e31b8a
FB		 10197 break;
10198 }
579a97f7 10199fail:
c573ff67 10200#ifdef DEBUG
0bf9e31a 10201 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 10202#endif
b92c47c1
TS		 10203 if(do_strace)
10204 print_syscall_ret(num, ret);
31e31b8a 10205 return ret;
579a97f7
FB		 10206efault:
10207 ret = -TARGET_EFAULT;
10208 goto fail;
31e31b8a 10209}
Mirror of https://git.qemu.org/git/qemu.git