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linux-user: correct stat structure in MIPS N32
[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>
72f03900 63//#include <sys/user.h>
8853f86e 64#include <netinet/ip.h>
7854b056 65#include <netinet/tcp.h>
86fcd946 66#include <linux/wireless.h>
920394db 67#include <linux/icmp.h>
5a61cb60 68#include "qemu-common.h"
d80a1905
RV		 69#ifdef CONFIG_TIMERFD
70#include <sys/timerfd.h>
71#endif
9788c9ca 72#ifdef TARGET_GPROF
6d946cda
AJ		 73#include <sys/gmon.h>
74#endif
c2882b96
RV		 75#ifdef CONFIG_EVENTFD
76#include <sys/eventfd.h>
77#endif
3b6edd16
PM		 78#ifdef CONFIG_EPOLL
79#include <sys/epoll.h>
80#endif
a790ae38 81#ifdef CONFIG_ATTR
1de7afc9 82#include "qemu/xattr.h"
a790ae38 83#endif
a8fd1aba
PM		 84#ifdef CONFIG_SENDFILE
85#include <sys/sendfile.h>
86#endif
31e31b8a
FB		 87
88#define termios host_termios
89#define winsize host_winsize
90#define termio host_termio
04369ff2
FB		 91#define sgttyb host_sgttyb /* same as target */
92#define tchars host_tchars /* same as target */
93#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 94
95#include <linux/termios.h>
96#include <linux/unistd.h>
31e31b8a
FB		 97#include <linux/cdrom.h>
98#include <linux/hdreg.h>
99#include <linux/soundcard.h>
19b84f3c 100#include <linux/kd.h>
8fbd6b52 101#include <linux/mtio.h>
350d1779 102#include <linux/fs.h>
dace20dc 103#if defined(CONFIG_FIEMAP)
285da2b9 104#include <linux/fiemap.h>
dace20dc 105#endif
f7680a55
UH		 106#include <linux/fb.h>
107#include <linux/vt.h>
56e904ec 108#include <linux/dm-ioctl.h>
c07ecc68 109#include <linux/reboot.h>
7ff7b666 110#include <linux/route.h>
f57d4192 111#include <linux/filter.h>
fff8c539 112#include <linux/blkpg.h>
d7e4036e 113#include "linux_loop.h"
18cb0088 114#include "uname.h"
31e31b8a 115
3ef693a0 116#include "qemu.h"
31e31b8a 117
d865bab5
PB		 118#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
119 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
30813cea 120
72f03900 121//#define DEBUG
31e31b8a 122
1a9353d2 123//#include <linux/msdos_fs.h>
6556a833
AJ		 124#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
125#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 126
70a194b9 127
70a194b9
FB		 128#undef _syscall0
129#undef _syscall1
130#undef _syscall2
131#undef _syscall3
132#undef _syscall4
133#undef _syscall5
83fcb515 134#undef _syscall6
70a194b9 135
83fcb515 136#define _syscall0(type,name) \
8fcd3692 137static type name (void) \
83fcb515
FB		 138{ \
139 return syscall(__NR_##name); \
140}
70a194b9 141
83fcb515 142#define _syscall1(type,name,type1,arg1) \
8fcd3692 143static type name (type1 arg1) \
83fcb515
FB		 144{ \
145 return syscall(__NR_##name, arg1); \
70a194b9
FB		 146}
147
83fcb515 148#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 149static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 150{ \
151 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 152}
153
83fcb515 154#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 155static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 156{ \
157 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 158}
159
83fcb515 160#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 161static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 162{ \
163 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 164}
165
83fcb515
FB		 166#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
167 type5,arg5) \
8fcd3692 168static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 169{ \
170 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 171}
172
83fcb515
FB		 173
174#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
175 type5,arg5,type6,arg6) \
8fcd3692
BS		 176static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
177 type6 arg6) \
83fcb515
FB		 178{ \
179 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 180}
83fcb515 181
70a194b9 182
31e31b8a 183#define __NR_sys_uname __NR_uname
72f03900 184#define __NR_sys_getcwd1 __NR_getcwd
72f03900 185#define __NR_sys_getdents __NR_getdents
dab2ed99 186#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 187#define __NR_sys_getpriority __NR_getpriority
66fb9763 188#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
7494b0f9 189#define __NR_sys_syslog __NR_syslog
71455574 190#define __NR_sys_tgkill __NR_tgkill
4cae1d16 191#define __NR_sys_tkill __NR_tkill
bd0c5661 192#define __NR_sys_futex __NR_futex
39b59763
AJ		 193#define __NR_sys_inotify_init __NR_inotify_init
194#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
195#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 196
42a39fbe
AG		 197#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
198 defined(__s390x__)
9af9eaaa
FB		 199#define __NR__llseek __NR_lseek
200#endif
201
a29e5ba2
JH		 202/* Newer kernel ports have llseek() instead of _llseek() */
203#if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek)
204#define TARGET_NR__llseek TARGET_NR_llseek
205#endif
206
72f03900 207#ifdef __NR_gettid
31e31b8a 208_syscall0(int, gettid)
72f03900 209#else
0da46a6e
TS		 210/* This is a replacement for the host gettid() and must return a host
211 errno. */
72f03900
FB		 212static int gettid(void) {
213 return -ENOSYS;
214}
215#endif
3307e236 216#ifdef __NR_getdents
3b3f24ad 217_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3307e236
PM		 218#endif
219#if !defined(__NR_getdents) || \
220 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
3b3f24ad
AJ		 221_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
222#endif
d35b261c 223#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
3b3f24ad
AJ		 224_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
225 loff_t *, res, uint, wh);
226#endif
227_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
228_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
229#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
230_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
231#endif
232#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
233_syscall2(int,sys_tkill,int,tid,int,sig)
234#endif
235#ifdef __NR_exit_group
236_syscall1(int,exit_group,int,error_code)
237#endif
238#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
239_syscall1(int,set_tid_address,int *,tidptr)
240#endif
3b3f24ad
AJ		 241#if defined(TARGET_NR_futex) && defined(__NR_futex)
242_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
243 const struct timespec *,timeout,int *,uaddr2,int,val3)
244#endif
737de1d1
MF		 245#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
246_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
247 unsigned long *, user_mask_ptr);
248#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
249_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
250 unsigned long *, user_mask_ptr);
0f6b4d21
AG		 251_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
252 void *, arg);
e0eb210e
PM		 253_syscall2(int, capget, struct __user_cap_header_struct *, header,
254 struct __user_cap_data_struct *, data);
255_syscall2(int, capset, struct __user_cap_header_struct *, header,
256 struct __user_cap_data_struct *, data);
ab31cda3
PB		 257#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
258_syscall2(int, ioprio_get, int, which, int, who)
259#endif
260#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
261_syscall3(int, ioprio_set, int, which, int, who, int, ioprio)
262#endif
3b3f24ad
AJ		 263
264static bitmask_transtbl fcntl_flags_tbl[] = {
265 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
266 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
267 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
268 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
269 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
270 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
271 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
272 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
afc8763f 273 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
3b3f24ad
AJ		 274 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
275 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
276 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
277 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
3b3f24ad
AJ		 278#if defined(O_DIRECT)
279 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
afc8763f
RH		 280#endif
281#if defined(O_NOATIME)
282 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
283#endif
284#if defined(O_CLOEXEC)
285 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
286#endif
287#if defined(O_PATH)
288 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
289#endif
290 /* Don't terminate the list prematurely on 64-bit host+guest. */
291#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
292 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
3b3f24ad
AJ		 293#endif
294 { 0, 0, 0, 0 }
295};
296
3b3f24ad
AJ		 297static int sys_getcwd1(char *buf, size_t size)
298{
299 if (getcwd(buf, size) == NULL) {
300 /* getcwd() sets errno */
301 return (-1);
302 }
aaf4ad39 303 return strlen(buf)+1;
3b3f24ad
AJ		 304}
305
f4c69010 306static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode)
3b3f24ad
AJ		 307{
308 /*
309 * open(2) has extra parameter 'mode' when called with
310 * flag O_CREAT.
311 */
312 if ((flags & O_CREAT) != 0) {
3b3f24ad
AJ		 313 return (openat(dirfd, pathname, flags, mode));
314 }
315 return (openat(dirfd, pathname, flags));
316}
ebc996f3 317
1acae9f2 318#ifdef TARGET_NR_utimensat
ebc996f3
RV		 319#ifdef CONFIG_UTIMENSAT
320static int sys_utimensat(int dirfd, const char *pathname,
321 const struct timespec times[2], int flags)
322{
323 if (pathname == NULL)
324 return futimens(dirfd, times);
325 else
326 return utimensat(dirfd, pathname, times, flags);
327}
1acae9f2
PM		 328#elif defined(__NR_utimensat)
329#define __NR_sys_utimensat __NR_utimensat
9007f0ef
TS		 330_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
331 const struct timespec *,tsp,int,flags)
1acae9f2
PM		 332#else
333static int sys_utimensat(int dirfd, const char *pathname,
334 const struct timespec times[2], int flags)
335{
336 errno = ENOSYS;
337 return -1;
338}
9007f0ef 339#endif
1acae9f2 340#endif /* TARGET_NR_utimensat */
3b3f24ad
AJ		 341
342#ifdef CONFIG_INOTIFY
8690e420 343#include <sys/inotify.h>
3b3f24ad 344
39b59763 345#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 346static int sys_inotify_init(void)
347{
348 return (inotify_init());
349}
39b59763
AJ		 350#endif
351#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 352static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
353{
354 return (inotify_add_watch(fd, pathname, mask));
355}
39b59763
AJ		 356#endif
357#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 358static int sys_inotify_rm_watch(int fd, int32_t wd)
359{
8690e420 360 return (inotify_rm_watch(fd, wd));
3b3f24ad 361}
bd0c5661 362#endif
c05c7a73
RV		 363#ifdef CONFIG_INOTIFY1
364#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
365static int sys_inotify_init1(int flags)
366{
367 return (inotify_init1(flags));
368}
369#endif
370#endif
3b3f24ad
AJ		 371#else
372/* Userspace can usually survive runtime without inotify */
373#undef TARGET_NR_inotify_init
c05c7a73 374#undef TARGET_NR_inotify_init1
3b3f24ad
AJ		 375#undef TARGET_NR_inotify_add_watch
376#undef TARGET_NR_inotify_rm_watch
377#endif /* CONFIG_INOTIFY */
378
d8035d4c
MF		 379#if defined(TARGET_NR_ppoll)
380#ifndef __NR_ppoll
381# define __NR_ppoll -1
382#endif
383#define __NR_sys_ppoll __NR_ppoll
384_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
34d60862 385 struct timespec *, timeout, const sigset_t *, sigmask,
d8035d4c
MF		 386 size_t, sigsetsize)
387#endif
66fb9763 388
055e0906
MF		 389#if defined(TARGET_NR_pselect6)
390#ifndef __NR_pselect6
391# define __NR_pselect6 -1
392#endif
393#define __NR_sys_pselect6 __NR_pselect6
394_syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
395 fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
396#endif
397
163a05a8
PM		 398#if defined(TARGET_NR_prlimit64)
399#ifndef __NR_prlimit64
400# define __NR_prlimit64 -1
401#endif
402#define __NR_sys_prlimit64 __NR_prlimit64
403/* The glibc rlimit structure may not be that used by the underlying syscall */
404struct host_rlimit64 {
405 uint64_t rlim_cur;
406 uint64_t rlim_max;
407};
408_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
409 const struct host_rlimit64 *, new_limit,
410 struct host_rlimit64 *, old_limit)
411#endif
412
f4f1e10a
ECL		 413
414#if defined(TARGET_NR_timer_create)
415/* Maxiumum of 32 active POSIX timers allowed at any one time. */
416static timer_t g_posix_timers[32] = { 0, } ;
417
418static inline int next_free_host_timer(void)
419{
420 int k ;
421 /* FIXME: Does finding the next free slot require a lock? */
422 for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) {
423 if (g_posix_timers[k] == 0) {
424 g_posix_timers[k] = (timer_t) 1;
425 return k;
426 }
427 }
428 return -1;
429}
430#endif
431
48e515d4 432/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
4a1def4e 433#ifdef TARGET_ARM
48e515d4
RV		 434static inline int regpairs_aligned(void *cpu_env) {
435 return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
436}
437#elif defined(TARGET_MIPS)
438static inline int regpairs_aligned(void *cpu_env) { return 1; }
4a1def4e
AG		 439#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
440/* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
441 * of registers which translates to the same as ARM/MIPS, because we start with
442 * r3 as arg1 */
443static inline int regpairs_aligned(void *cpu_env) { return 1; }
48e515d4
RV		 444#else
445static inline int regpairs_aligned(void *cpu_env) { return 0; }
446#endif
447
b92c47c1
TS		 448#define ERRNO_TABLE_SIZE 1200
449
450/* target_to_host_errno_table[] is initialized from
451 * host_to_target_errno_table[] in syscall_init(). */
452static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
453};
454
637947f1 455/*
fe8f096b 456 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 457 * minus the errnos that are not actually generic to all archs.
458 */
b92c47c1 459static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 460 [EIDRM] = TARGET_EIDRM,
461 [ECHRNG] = TARGET_ECHRNG,
462 [EL2NSYNC] = TARGET_EL2NSYNC,
463 [EL3HLT] = TARGET_EL3HLT,
464 [EL3RST] = TARGET_EL3RST,
465 [ELNRNG] = TARGET_ELNRNG,
466 [EUNATCH] = TARGET_EUNATCH,
467 [ENOCSI] = TARGET_ENOCSI,
468 [EL2HLT] = TARGET_EL2HLT,
469 [EDEADLK] = TARGET_EDEADLK,
470 [ENOLCK] = TARGET_ENOLCK,
471 [EBADE] = TARGET_EBADE,
472 [EBADR] = TARGET_EBADR,
473 [EXFULL] = TARGET_EXFULL,
474 [ENOANO] = TARGET_ENOANO,
475 [EBADRQC] = TARGET_EBADRQC,
476 [EBADSLT] = TARGET_EBADSLT,
477 [EBFONT] = TARGET_EBFONT,
478 [ENOSTR] = TARGET_ENOSTR,
479 [ENODATA] = TARGET_ENODATA,
480 [ETIME] = TARGET_ETIME,
481 [ENOSR] = TARGET_ENOSR,
482 [ENONET] = TARGET_ENONET,
483 [ENOPKG] = TARGET_ENOPKG,
484 [EREMOTE] = TARGET_EREMOTE,
485 [ENOLINK] = TARGET_ENOLINK,
486 [EADV] = TARGET_EADV,
487 [ESRMNT] = TARGET_ESRMNT,
488 [ECOMM] = TARGET_ECOMM,
489 [EPROTO] = TARGET_EPROTO,
490 [EDOTDOT] = TARGET_EDOTDOT,
491 [EMULTIHOP] = TARGET_EMULTIHOP,
492 [EBADMSG] = TARGET_EBADMSG,
493 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
494 [EOVERFLOW] = TARGET_EOVERFLOW,
495 [ENOTUNIQ] = TARGET_ENOTUNIQ,
496 [EBADFD] = TARGET_EBADFD,
497 [EREMCHG] = TARGET_EREMCHG,
498 [ELIBACC] = TARGET_ELIBACC,
499 [ELIBBAD] = TARGET_ELIBBAD,
500 [ELIBSCN] = TARGET_ELIBSCN,
501 [ELIBMAX] = TARGET_ELIBMAX,
502 [ELIBEXEC] = TARGET_ELIBEXEC,
503 [EILSEQ] = TARGET_EILSEQ,
504 [ENOSYS] = TARGET_ENOSYS,
505 [ELOOP] = TARGET_ELOOP,
506 [ERESTART] = TARGET_ERESTART,
507 [ESTRPIPE] = TARGET_ESTRPIPE,
508 [ENOTEMPTY] = TARGET_ENOTEMPTY,
509 [EUSERS] = TARGET_EUSERS,
510 [ENOTSOCK] = TARGET_ENOTSOCK,
511 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
512 [EMSGSIZE] = TARGET_EMSGSIZE,
513 [EPROTOTYPE] = TARGET_EPROTOTYPE,
514 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
515 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
516 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
517 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
518 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
519 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
520 [EADDRINUSE] = TARGET_EADDRINUSE,
521 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
522 [ENETDOWN] = TARGET_ENETDOWN,
523 [ENETUNREACH] = TARGET_ENETUNREACH,
524 [ENETRESET] = TARGET_ENETRESET,
525 [ECONNABORTED] = TARGET_ECONNABORTED,
526 [ECONNRESET] = TARGET_ECONNRESET,
527 [ENOBUFS] = TARGET_ENOBUFS,
528 [EISCONN] = TARGET_EISCONN,
529 [ENOTCONN] = TARGET_ENOTCONN,
530 [EUCLEAN] = TARGET_EUCLEAN,
531 [ENOTNAM] = TARGET_ENOTNAM,
532 [ENAVAIL] = TARGET_ENAVAIL,
533 [EISNAM] = TARGET_EISNAM,
534 [EREMOTEIO] = TARGET_EREMOTEIO,
535 [ESHUTDOWN] = TARGET_ESHUTDOWN,
536 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
537 [ETIMEDOUT] = TARGET_ETIMEDOUT,
538 [ECONNREFUSED] = TARGET_ECONNREFUSED,
539 [EHOSTDOWN] = TARGET_EHOSTDOWN,
540 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
541 [EALREADY] = TARGET_EALREADY,
542 [EINPROGRESS] = TARGET_EINPROGRESS,
543 [ESTALE] = TARGET_ESTALE,
544 [ECANCELED] = TARGET_ECANCELED,
545 [ENOMEDIUM] = TARGET_ENOMEDIUM,
546 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 547#ifdef ENOKEY
637947f1 548 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 549#endif
550#ifdef EKEYEXPIRED
637947f1 551 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 552#endif
553#ifdef EKEYREVOKED
637947f1 554 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 555#endif
556#ifdef EKEYREJECTED
637947f1 557 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 558#endif
559#ifdef EOWNERDEAD
637947f1 560 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 561#endif
562#ifdef ENOTRECOVERABLE
637947f1 563 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 564#endif
b92c47c1 565};
637947f1
TS		 566
567static inline int host_to_target_errno(int err)
568{
569 if(host_to_target_errno_table[err])
570 return host_to_target_errno_table[err];
571 return err;
572}
573
b92c47c1
TS		 574static inline int target_to_host_errno(int err)
575{
576 if (target_to_host_errno_table[err])
577 return target_to_host_errno_table[err];
578 return err;
579}
580
992f48a0 581static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 582{
583 if (ret == -1)
637947f1 584 return -host_to_target_errno(errno);
31e31b8a
FB		 585 else
586 return ret;
587}
588
992f48a0 589static inline int is_error(abi_long ret)
31e31b8a 590{
992f48a0 591 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 592}
593
b92c47c1
TS		 594char *target_strerror(int err)
595{
962b289e
AG		 596 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
597 return NULL;
598 }
b92c47c1
TS		 599 return strerror(target_to_host_errno(err));
600}
601
8289d112
PB		 602static inline int host_to_target_sock_type(int host_type)
603{
604 int target_type;
605
606 switch (host_type & 0xf /* SOCK_TYPE_MASK */) {
607 case SOCK_DGRAM:
608 target_type = TARGET_SOCK_DGRAM;
609 break;
610 case SOCK_STREAM:
611 target_type = TARGET_SOCK_STREAM;
612 break;
613 default:
614 target_type = host_type & 0xf /* SOCK_TYPE_MASK */;
615 break;
616 }
617
618#if defined(SOCK_CLOEXEC)
619 if (host_type & SOCK_CLOEXEC) {
620 target_type |= TARGET_SOCK_CLOEXEC;
621 }
622#endif
623
624#if defined(SOCK_NONBLOCK)
625 if (host_type & SOCK_NONBLOCK) {
626 target_type |= TARGET_SOCK_NONBLOCK;
627 }
628#endif
629
630 return target_type;
631}
632
992f48a0
BS		 633static abi_ulong target_brk;
634static abi_ulong target_original_brk;
4d1de87c 635static abi_ulong brk_page;
31e31b8a 636
992f48a0 637void target_set_brk(abi_ulong new_brk)
31e31b8a 638{
4c1de73d 639 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
4d1de87c 640 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 641}
642
4d1de87c
CV		 643//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
644#define DEBUGF_BRK(message, args...)
645
0da46a6e 646/* do_brk() must return target values and target errnos. */
992f48a0 647abi_long do_brk(abi_ulong new_brk)
31e31b8a 648{
992f48a0 649 abi_long mapped_addr;
31e31b8a
FB		 650 int new_alloc_size;
651
3a0c6c4a 652 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
4d1de87c
CV		 653
654 if (!new_brk) {
3a0c6c4a 655 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
53a5960a 656 return target_brk;
4d1de87c
CV		 657 }
658 if (new_brk < target_original_brk) {
3a0c6c4a
PB		 659 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
660 target_brk);
7ab240ad 661 return target_brk;
4d1de87c 662 }
3b46e624 663
4d1de87c
CV		 664 /* If the new brk is less than the highest page reserved to the
665 * target heap allocation, set it and we're almost done... */
666 if (new_brk <= brk_page) {
667 /* Heap contents are initialized to zero, as for anonymous
668 * mapped pages. */
669 if (new_brk > target_brk) {
670 memset(g2h(target_brk), 0, new_brk - target_brk);
671 }
31e31b8a 672 target_brk = new_brk;
3a0c6c4a 673 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
53a5960a 674 return target_brk;
31e31b8a
FB		 675 }
676
00faf08c
PM		 677 /* We need to allocate more memory after the brk... Note that
678 * we don't use MAP_FIXED because that will map over the top of
679 * any existing mapping (like the one with the host libc or qemu
680 * itself); instead we treat "mapped but at wrong address" as
681 * a failure and unmap again.
682 */
4d1de87c 683 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
5fafdf24 684 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004 685 PROT_READ|PROT_WRITE,
00faf08c
PM		 686 MAP_ANON|MAP_PRIVATE, 0, 0));
687
688 if (mapped_addr == brk_page) {
70afc343
CV		 689 /* Heap contents are initialized to zero, as for anonymous
690 * mapped pages. Technically the new pages are already
691 * initialized to zero since they *are* anonymous mapped
692 * pages, however we have to take care with the contents that
693 * come from the remaining part of the previous page: it may
694 * contains garbage data due to a previous heap usage (grown
695 * then shrunken). */
696 memset(g2h(target_brk), 0, brk_page - target_brk);
697
00faf08c 698 target_brk = new_brk;
4d1de87c 699 brk_page = HOST_PAGE_ALIGN(target_brk);
3a0c6c4a
PB		 700 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
701 target_brk);
00faf08c
PM		 702 return target_brk;
703 } else if (mapped_addr != -1) {
704 /* Mapped but at wrong address, meaning there wasn't actually
705 * enough space for this brk.
706 */
707 target_munmap(mapped_addr, new_alloc_size);
708 mapped_addr = -1;
3a0c6c4a 709 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
4d1de87c
CV		 710 }
711 else {
3a0c6c4a 712 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
00faf08c 713 }
7ab240ad 714
7dd46c02
RH		 715#if defined(TARGET_ALPHA)
716 /* We (partially) emulate OSF/1 on Alpha, which requires we
717 return a proper errno, not an unchanged brk value. */
00faf08c 718 return -TARGET_ENOMEM;
7dd46c02 719#endif
00faf08c 720 /* For everything else, return the previous break. */
7ab240ad 721 return target_brk;
31e31b8a
FB		 722}
723
26edcf41
TS		 724static inline abi_long copy_from_user_fdset(fd_set *fds,
725 abi_ulong target_fds_addr,
726 int n)
31e31b8a 727{
26edcf41
TS		 728 int i, nw, j, k;
729 abi_ulong b, *target_fds;
730
731 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
732 if (!(target_fds = lock_user(VERIFY_READ,
733 target_fds_addr,
734 sizeof(abi_ulong) * nw,
735 1)))
736 return -TARGET_EFAULT;
737
738 FD_ZERO(fds);
739 k = 0;
740 for (i = 0; i < nw; i++) {
741 /* grab the abi_ulong */
742 __get_user(b, &target_fds[i]);
743 for (j = 0; j < TARGET_ABI_BITS; j++) {
744 /* check the bit inside the abi_ulong */
745 if ((b >> j) & 1)
746 FD_SET(k, fds);
747 k++;
31e31b8a 748 }
31e31b8a 749 }
26edcf41
TS		 750
751 unlock_user(target_fds, target_fds_addr, 0);
752
753 return 0;
31e31b8a
FB		 754}
755
055e0906
MF		 756static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
757 abi_ulong target_fds_addr,
758 int n)
759{
760 if (target_fds_addr) {
761 if (copy_from_user_fdset(fds, target_fds_addr, n))
762 return -TARGET_EFAULT;
763 *fds_ptr = fds;
764 } else {
765 *fds_ptr = NULL;
766 }
767 return 0;
768}
769
26edcf41
TS		 770static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
771 const fd_set *fds,
772 int n)
31e31b8a 773{
31e31b8a 774 int i, nw, j, k;
992f48a0 775 abi_long v;
26edcf41 776 abi_ulong *target_fds;
31e31b8a 777
26edcf41
TS		 778 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
779 if (!(target_fds = lock_user(VERIFY_WRITE,
780 target_fds_addr,
781 sizeof(abi_ulong) * nw,
782 0)))
783 return -TARGET_EFAULT;
784
785 k = 0;
786 for (i = 0; i < nw; i++) {
787 v = 0;
788 for (j = 0; j < TARGET_ABI_BITS; j++) {
9ab709be 789 v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
26edcf41 790 k++;
31e31b8a 791 }
26edcf41 792 __put_user(v, &target_fds[i]);
31e31b8a 793 }
26edcf41
TS		 794
795 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
796
797 return 0;
31e31b8a
FB		 798}
799
c596ed17
FB		 800#if defined(__alpha__)
801#define HOST_HZ 1024
802#else
803#define HOST_HZ 100
804#endif
805
992f48a0 806static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 807{
808#if HOST_HZ == TARGET_HZ
809 return ticks;
810#else
811 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
812#endif
813}
814
579a97f7
FB		 815static inline abi_long host_to_target_rusage(abi_ulong target_addr,
816 const struct rusage *rusage)
b409186b 817{
53a5960a
PB		 818 struct target_rusage *target_rusage;
819
579a97f7
FB		 820 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
821 return -TARGET_EFAULT;
cbb21eed
MB		 822 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
823 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
824 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
825 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
826 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
827 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
828 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
829 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
830 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
831 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
832 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
833 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
834 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
835 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
836 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
837 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
838 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
839 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
53a5960a 840 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 841
842 return 0;
b409186b
FB		 843}
844
cbb21eed 845static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
81bbe906 846{
cbb21eed 847 abi_ulong target_rlim_swap;
95b33b2f
WT		 848 rlim_t result;
849
cbb21eed
MB		 850 target_rlim_swap = tswapal(target_rlim);
851 if (target_rlim_swap == TARGET_RLIM_INFINITY)
852 return RLIM_INFINITY;
853
854 result = target_rlim_swap;
855 if (target_rlim_swap != (rlim_t)result)
856 return RLIM_INFINITY;
95b33b2f
WT		 857
858 return result;
81bbe906
TY		 859}
860
cbb21eed 861static inline abi_ulong host_to_target_rlim(rlim_t rlim)
81bbe906 862{
cbb21eed
MB		 863 abi_ulong target_rlim_swap;
864 abi_ulong result;
95b33b2f 865
cbb21eed 866 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
95b33b2f 867 target_rlim_swap = TARGET_RLIM_INFINITY;
81bbe906 868 else
95b33b2f 869 target_rlim_swap = rlim;
cbb21eed 870 result = tswapal(target_rlim_swap);
95b33b2f
WT		 871
872 return result;
81bbe906
TY		 873}
874
e22b7015
WT		 875static inline int target_to_host_resource(int code)
876{
877 switch (code) {
878 case TARGET_RLIMIT_AS:
879 return RLIMIT_AS;
880 case TARGET_RLIMIT_CORE:
881 return RLIMIT_CORE;
882 case TARGET_RLIMIT_CPU:
883 return RLIMIT_CPU;
884 case TARGET_RLIMIT_DATA:
885 return RLIMIT_DATA;
886 case TARGET_RLIMIT_FSIZE:
887 return RLIMIT_FSIZE;
888 case TARGET_RLIMIT_LOCKS:
889 return RLIMIT_LOCKS;
890 case TARGET_RLIMIT_MEMLOCK:
891 return RLIMIT_MEMLOCK;
892 case TARGET_RLIMIT_MSGQUEUE:
893 return RLIMIT_MSGQUEUE;
894 case TARGET_RLIMIT_NICE:
895 return RLIMIT_NICE;
896 case TARGET_RLIMIT_NOFILE:
897 return RLIMIT_NOFILE;
898 case TARGET_RLIMIT_NPROC:
899 return RLIMIT_NPROC;
900 case TARGET_RLIMIT_RSS:
901 return RLIMIT_RSS;
902 case TARGET_RLIMIT_RTPRIO:
903 return RLIMIT_RTPRIO;
904 case TARGET_RLIMIT_SIGPENDING:
905 return RLIMIT_SIGPENDING;
906 case TARGET_RLIMIT_STACK:
907 return RLIMIT_STACK;
908 default:
909 return code;
910 }
911}
912
788f5ec4
TS		 913static inline abi_long copy_from_user_timeval(struct timeval *tv,
914 abi_ulong target_tv_addr)
31e31b8a 915{
53a5960a
PB		 916 struct target_timeval *target_tv;
917
788f5ec4 918 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 919 return -TARGET_EFAULT;
788f5ec4
TS		 920
921 __get_user(tv->tv_sec, &target_tv->tv_sec);
922 __get_user(tv->tv_usec, &target_tv->tv_usec);
923
924 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 925
926 return 0;
31e31b8a
FB		 927}
928
788f5ec4
TS		 929static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
930 const struct timeval *tv)
31e31b8a 931{
53a5960a
PB		 932 struct target_timeval *target_tv;
933
788f5ec4 934 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 935 return -TARGET_EFAULT;
788f5ec4
TS		 936
937 __put_user(tv->tv_sec, &target_tv->tv_sec);
938 __put_user(tv->tv_usec, &target_tv->tv_usec);
939
940 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 941
942 return 0;
31e31b8a
FB		 943}
944
ef4467e9
PB		 945static inline abi_long copy_from_user_timezone(struct timezone *tz,
946 abi_ulong target_tz_addr)
947{
948 struct target_timezone *target_tz;
949
950 if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) {
951 return -TARGET_EFAULT;
952 }
953
954 __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest);
955 __get_user(tz->tz_dsttime, &target_tz->tz_dsttime);
956
957 unlock_user_struct(target_tz, target_tz_addr, 0);
958
959 return 0;
960}
961
8ec9cf89
NF		 962#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
963#include <mqueue.h>
964
24e1003a
AJ		 965static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
966 abi_ulong target_mq_attr_addr)
967{
968 struct target_mq_attr *target_mq_attr;
969
970 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
971 target_mq_attr_addr, 1))
972 return -TARGET_EFAULT;
973
974 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
975 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
976 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
977 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
978
979 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
980
981 return 0;
982}
983
984static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
985 const struct mq_attr *attr)
986{
987 struct target_mq_attr *target_mq_attr;
988
989 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
990 target_mq_attr_addr, 0))
991 return -TARGET_EFAULT;
992
993 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
994 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
995 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
996 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
997
998 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
999
1000 return 0;
1001}
8ec9cf89 1002#endif
31e31b8a 1003
055e0906 1004#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
0da46a6e 1005/* do_select() must return target values and target errnos. */
992f48a0 1006static abi_long do_select(int n,
26edcf41
TS		 1007 abi_ulong rfd_addr, abi_ulong wfd_addr,
1008 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 1009{
1010 fd_set rfds, wfds, efds;
1011 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
1012 struct timeval tv, *tv_ptr;
992f48a0 1013 abi_long ret;
31e31b8a 1014
055e0906
MF		 1015 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
1016 if (ret) {
1017 return ret;
53a5960a 1018 }
055e0906
MF		 1019 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
1020 if (ret) {
1021 return ret;
53a5960a 1022 }
055e0906
MF		 1023 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1024 if (ret) {
1025 return ret;
53a5960a 1026 }
3b46e624 1027
26edcf41 1028 if (target_tv_addr) {
788f5ec4
TS		 1029 if (copy_from_user_timeval(&tv, target_tv_addr))
1030 return -TARGET_EFAULT;
31e31b8a
FB		 1031 tv_ptr = &tv;
1032 } else {
1033 tv_ptr = NULL;
1034 }
26edcf41 1035
31e31b8a 1036 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 1037
26edcf41
TS		 1038 if (!is_error(ret)) {
1039 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1040 return -TARGET_EFAULT;
1041 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1042 return -TARGET_EFAULT;
1043 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1044 return -TARGET_EFAULT;
31e31b8a 1045
788f5ec4
TS		 1046 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
1047 return -TARGET_EFAULT;
31e31b8a 1048 }
579a97f7 1049
31e31b8a
FB		 1050 return ret;
1051}
055e0906 1052#endif
31e31b8a 1053
099d6b0f
RV		 1054static abi_long do_pipe2(int host_pipe[], int flags)
1055{
1056#ifdef CONFIG_PIPE2
1057 return pipe2(host_pipe, flags);
1058#else
1059 return -ENOSYS;
1060#endif
1061}
1062
fb41a66e
RH		 1063static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1064 int flags, int is_pipe2)
099d6b0f
RV		 1065{
1066 int host_pipe[2];
1067 abi_long ret;
1068 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1069
1070 if (is_error(ret))
1071 return get_errno(ret);
fb41a66e
RH		 1072
1073 /* Several targets have special calling conventions for the original
1074 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1075 if (!is_pipe2) {
1076#if defined(TARGET_ALPHA)
1077 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1078 return host_pipe[0];
1079#elif defined(TARGET_MIPS)
1080 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1081 return host_pipe[0];
1082#elif defined(TARGET_SH4)
597c0212 1083 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
fb41a66e 1084 return host_pipe[0];
82f05b69
PM		 1085#elif defined(TARGET_SPARC)
1086 ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1];
1087 return host_pipe[0];
597c0212 1088#endif
fb41a66e
RH		 1089 }
1090
099d6b0f
RV		 1091 if (put_user_s32(host_pipe[0], pipedes)
1092 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1093 return -TARGET_EFAULT;
099d6b0f
RV		 1094 return get_errno(ret);
1095}
1096
b975b83b
LL		 1097static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1098 abi_ulong target_addr,
1099 socklen_t len)
1100{
1101 struct target_ip_mreqn *target_smreqn;
1102
1103 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1104 if (!target_smreqn)
1105 return -TARGET_EFAULT;
1106 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1107 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1108 if (len == sizeof(struct target_ip_mreqn))
cbb21eed 1109 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
b975b83b
LL		 1110 unlock_user(target_smreqn, target_addr, 0);
1111
1112 return 0;
1113}
1114
579a97f7
FB		 1115static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1116 abi_ulong target_addr,
1117 socklen_t len)
7854b056 1118{
607175e0
AJ		 1119 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1120 sa_family_t sa_family;
53a5960a
PB		 1121 struct target_sockaddr *target_saddr;
1122
579a97f7
FB		 1123 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1124 if (!target_saddr)
1125 return -TARGET_EFAULT;
607175e0
AJ		 1126
1127 sa_family = tswap16(target_saddr->sa_family);
1128
1129 /* Oops. The caller might send a incomplete sun_path; sun_path
1130 * must be terminated by \0 (see the manual page), but
1131 * unfortunately it is quite common to specify sockaddr_un
1132 * length as "strlen(x->sun_path)" while it should be
1133 * "strlen(...) + 1". We'll fix that here if needed.
1134 * Linux kernel has a similar feature.
1135 */
1136
1137 if (sa_family == AF_UNIX) {
1138 if (len < unix_maxlen && len > 0) {
1139 char *cp = (char*)target_saddr;
1140
1141 if ( cp[len-1] && !cp[len] )
1142 len++;
1143 }
1144 if (len > unix_maxlen)
1145 len = unix_maxlen;
1146 }
1147
53a5960a 1148 memcpy(addr, target_saddr, len);
607175e0 1149 addr->sa_family = sa_family;
33a29b51
JT		 1150 if (sa_family == AF_PACKET) {
1151 struct target_sockaddr_ll *lladdr;
1152
1153 lladdr = (struct target_sockaddr_ll *)addr;
1154 lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex);
1155 lladdr->sll_hatype = tswap16(lladdr->sll_hatype);
1156 }
53a5960a 1157 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1158
1159 return 0;
7854b056
FB		 1160}
1161
579a97f7
FB		 1162static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1163 struct sockaddr *addr,
1164 socklen_t len)
7854b056 1165{
53a5960a
PB		 1166 struct target_sockaddr *target_saddr;
1167
579a97f7
FB		 1168 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1169 if (!target_saddr)
1170 return -TARGET_EFAULT;
53a5960a
PB		 1171 memcpy(target_saddr, addr, len);
1172 target_saddr->sa_family = tswap16(addr->sa_family);
1173 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1174
1175 return 0;
7854b056
FB		 1176}
1177
5a4a898d
FB		 1178static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1179 struct target_msghdr *target_msgh)
7854b056
FB		 1180{
1181 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1182 abi_long msg_controllen;
1183 abi_ulong target_cmsg_addr;
1184 struct target_cmsghdr *target_cmsg;
7854b056 1185 socklen_t space = 0;
5a4a898d 1186
cbb21eed 1187 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1188 if (msg_controllen < sizeof (struct target_cmsghdr))
1189 goto the_end;
cbb21eed 1190 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1191 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1192 if (!target_cmsg)
1193 return -TARGET_EFAULT;
7854b056
FB		 1194
1195 while (cmsg && target_cmsg) {
1196 void *data = CMSG_DATA(cmsg);
1197 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1198
cbb21eed 1199 int len = tswapal(target_cmsg->cmsg_len)
7854b056
FB		 1200 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1201
1202 space += CMSG_SPACE(len);
1203 if (space > msgh->msg_controllen) {
1204 space -= CMSG_SPACE(len);
31febb71 1205 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1206 break;
1207 }
1208
dbf4f796
PJ		 1209 if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
1210 cmsg->cmsg_level = SOL_SOCKET;
1211 } else {
1212 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1213 }
7854b056
FB		 1214 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1215 cmsg->cmsg_len = CMSG_LEN(len);
1216
30b8b68e 1217 if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
7854b056
FB		 1218 int *fd = (int *)data;
1219 int *target_fd = (int *)target_data;
1220 int i, numfds = len / sizeof(int);
1221
1222 for (i = 0; i < numfds; i++)
1223 fd[i] = tswap32(target_fd[i]);
30b8b68e
AS		 1224 } else if (cmsg->cmsg_level == SOL_SOCKET
1225 && cmsg->cmsg_type == SCM_CREDENTIALS) {
1226 struct ucred *cred = (struct ucred *)data;
1227 struct target_ucred *target_cred =
1228 (struct target_ucred *)target_data;
1229
1230 __put_user(target_cred->pid, &cred->pid);
1231 __put_user(target_cred->uid, &cred->uid);
1232 __put_user(target_cred->gid, &cred->gid);
1233 } else {
1234 gemu_log("Unsupported ancillary data: %d/%d\n",
1235 cmsg->cmsg_level, cmsg->cmsg_type);
1236 memcpy(data, target_data, len);
7854b056
FB		 1237 }
1238
1239 cmsg = CMSG_NXTHDR(msgh, cmsg);
1240 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1241 }
5a4a898d
FB		 1242 unlock_user(target_cmsg, target_cmsg_addr, 0);
1243 the_end:
7854b056 1244 msgh->msg_controllen = space;
5a4a898d 1245 return 0;
7854b056
FB		 1246}
1247
5a4a898d
FB		 1248static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1249 struct msghdr *msgh)
7854b056
FB		 1250{
1251 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1252 abi_long msg_controllen;
1253 abi_ulong target_cmsg_addr;
1254 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1255 socklen_t space = 0;
1256
cbb21eed 1257 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1258 if (msg_controllen < sizeof (struct target_cmsghdr))
1259 goto the_end;
cbb21eed 1260 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1261 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1262 if (!target_cmsg)
1263 return -TARGET_EFAULT;
1264
7854b056
FB		 1265 while (cmsg && target_cmsg) {
1266 void *data = CMSG_DATA(cmsg);
1267 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1268
1269 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1270
1271 space += TARGET_CMSG_SPACE(len);
5a4a898d 1272 if (space > msg_controllen) {
7854b056 1273 space -= TARGET_CMSG_SPACE(len);
31febb71 1274 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1275 break;
1276 }
1277
dbf4f796
PJ		 1278 if (cmsg->cmsg_level == SOL_SOCKET) {
1279 target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
1280 } else {
1281 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1282 }
7854b056 1283 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
cbb21eed 1284 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
7854b056 1285
52b65494
HD		 1286 switch (cmsg->cmsg_level) {
1287 case SOL_SOCKET:
1288 switch (cmsg->cmsg_type) {
1289 case SCM_RIGHTS:
1290 {
1291 int *fd = (int *)data;
1292 int *target_fd = (int *)target_data;
1293 int i, numfds = len / sizeof(int);
1294
1295 for (i = 0; i < numfds; i++)
1296 target_fd[i] = tswap32(fd[i]);
1297 break;
1298 }
1299 case SO_TIMESTAMP:
1300 {
1301 struct timeval *tv = (struct timeval *)data;
1302 struct target_timeval *target_tv =
1303 (struct target_timeval *)target_data;
1304
1305 if (len != sizeof(struct timeval))
1306 goto unimplemented;
1307
1308 /* copy struct timeval to target */
1309 target_tv->tv_sec = tswapal(tv->tv_sec);
1310 target_tv->tv_usec = tswapal(tv->tv_usec);
1311 break;
1312 }
4bc29756
HD		 1313 case SCM_CREDENTIALS:
1314 {
1315 struct ucred *cred = (struct ucred *)data;
1316 struct target_ucred *target_cred =
1317 (struct target_ucred *)target_data;
1318
1319 __put_user(cred->pid, &target_cred->pid);
1320 __put_user(cred->uid, &target_cred->uid);
1321 __put_user(cred->gid, &target_cred->gid);
1322 break;
1323 }
52b65494
HD		 1324 default:
1325 goto unimplemented;
1326 }
1327 break;
7854b056 1328
52b65494
HD		 1329 default:
1330 unimplemented:
aebf5bc7
JH		 1331 gemu_log("Unsupported ancillary data: %d/%d\n",
1332 cmsg->cmsg_level, cmsg->cmsg_type);
1333 memcpy(target_data, data, len);
7854b056
FB		 1334 }
1335
1336 cmsg = CMSG_NXTHDR(msgh, cmsg);
1337 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1338 }
5a4a898d
FB		 1339 unlock_user(target_cmsg, target_cmsg_addr, space);
1340 the_end:
cbb21eed 1341 target_msgh->msg_controllen = tswapal(space);
5a4a898d 1342 return 0;
7854b056
FB		 1343}
1344
0da46a6e 1345/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1346static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1347 abi_ulong optval_addr, socklen_t optlen)
7854b056 1348{
992f48a0 1349 abi_long ret;
32407103 1350 int val;
b975b83b 1351 struct ip_mreqn *ip_mreq;
6e3cb58f 1352 struct ip_mreq_source *ip_mreq_source;
3b46e624 1353
8853f86e
FB		 1354 switch(level) {
1355 case SOL_TCP:
7854b056 1356 /* TCP options all take an 'int' value. */
7854b056 1357 if (optlen < sizeof(uint32_t))
0da46a6e 1358 return -TARGET_EINVAL;
3b46e624 1359
2f619698
FB		 1360 if (get_user_u32(val, optval_addr))
1361 return -TARGET_EFAULT;
8853f86e
FB		 1362 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1363 break;
1364 case SOL_IP:
1365 switch(optname) {
2efbe911
FB		 1366 case IP_TOS:
1367 case IP_TTL:
8853f86e 1368 case IP_HDRINCL:
2efbe911
FB		 1369 case IP_ROUTER_ALERT:
1370 case IP_RECVOPTS:
1371 case IP_RETOPTS:
1372 case IP_PKTINFO:
1373 case IP_MTU_DISCOVER:
1374 case IP_RECVERR:
1375 case IP_RECVTOS:
1376#ifdef IP_FREEBIND
1377 case IP_FREEBIND:
1378#endif
1379 case IP_MULTICAST_TTL:
1380 case IP_MULTICAST_LOOP:
8853f86e
FB		 1381 val = 0;
1382 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1383 if (get_user_u32(val, optval_addr))
1384 return -TARGET_EFAULT;
8853f86e 1385 } else if (optlen >= 1) {
2f619698
FB		 1386 if (get_user_u8(val, optval_addr))
1387 return -TARGET_EFAULT;
8853f86e
FB		 1388 }
1389 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1390 break;
b975b83b
LL		 1391 case IP_ADD_MEMBERSHIP:
1392 case IP_DROP_MEMBERSHIP:
1393 if (optlen < sizeof (struct target_ip_mreq) ||
1394 optlen > sizeof (struct target_ip_mreqn))
1395 return -TARGET_EINVAL;
1396
1397 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1398 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1399 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1400 break;
1401
6e3cb58f
LL		 1402 case IP_BLOCK_SOURCE:
1403 case IP_UNBLOCK_SOURCE:
1404 case IP_ADD_SOURCE_MEMBERSHIP:
1405 case IP_DROP_SOURCE_MEMBERSHIP:
1406 if (optlen != sizeof (struct target_ip_mreq_source))
1407 return -TARGET_EINVAL;
1408
1409 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1410 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1411 unlock_user (ip_mreq_source, optval_addr, 0);
1412 break;
1413
920394db
JH		 1414 default:
1415 goto unimplemented;
1416 }
1417 break;
0d78b3b5
LV		 1418 case SOL_IPV6:
1419 switch (optname) {
1420 case IPV6_MTU_DISCOVER:
1421 case IPV6_MTU:
1422 case IPV6_V6ONLY:
1423 case IPV6_RECVPKTINFO:
1424 val = 0;
1425 if (optlen < sizeof(uint32_t)) {
1426 return -TARGET_EINVAL;
1427 }
1428 if (get_user_u32(val, optval_addr)) {
1429 return -TARGET_EFAULT;
1430 }
1431 ret = get_errno(setsockopt(sockfd, level, optname,
1432 &val, sizeof(val)));
1433 break;
1434 default:
1435 goto unimplemented;
1436 }
1437 break;
920394db
JH		 1438 case SOL_RAW:
1439 switch (optname) {
1440 case ICMP_FILTER:
1441 /* struct icmp_filter takes an u32 value */
1442 if (optlen < sizeof(uint32_t)) {
1443 return -TARGET_EINVAL;
1444 }
1445
1446 if (get_user_u32(val, optval_addr)) {
1447 return -TARGET_EFAULT;
1448 }
1449 ret = get_errno(setsockopt(sockfd, level, optname,
1450 &val, sizeof(val)));
1451 break;
1452
8853f86e
FB		 1453 default:
1454 goto unimplemented;
1455 }
1456 break;
3532fa74 1457 case TARGET_SOL_SOCKET:
8853f86e 1458 switch (optname) {
1b09aeb9
LV		 1459 case TARGET_SO_RCVTIMEO:
1460 {
1461 struct timeval tv;
1462
1463 optname = SO_RCVTIMEO;
1464
1465set_timeout:
1466 if (optlen != sizeof(struct target_timeval)) {
1467 return -TARGET_EINVAL;
1468 }
1469
1470 if (copy_from_user_timeval(&tv, optval_addr)) {
1471 return -TARGET_EFAULT;
1472 }
1473
1474 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
1475 &tv, sizeof(tv)));
1476 return ret;
1477 }
1478 case TARGET_SO_SNDTIMEO:
1479 optname = SO_SNDTIMEO;
1480 goto set_timeout;
f57d4192
LV		 1481 case TARGET_SO_ATTACH_FILTER:
1482 {
1483 struct target_sock_fprog *tfprog;
1484 struct target_sock_filter *tfilter;
1485 struct sock_fprog fprog;
1486 struct sock_filter *filter;
1487 int i;
1488
1489 if (optlen != sizeof(*tfprog)) {
1490 return -TARGET_EINVAL;
1491 }
1492 if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
1493 return -TARGET_EFAULT;
1494 }
1495 if (!lock_user_struct(VERIFY_READ, tfilter,
1496 tswapal(tfprog->filter), 0)) {
1497 unlock_user_struct(tfprog, optval_addr, 1);
1498 return -TARGET_EFAULT;
1499 }
1500
1501 fprog.len = tswap16(tfprog->len);
1502 filter = malloc(fprog.len * sizeof(*filter));
1503 if (filter == NULL) {
1504 unlock_user_struct(tfilter, tfprog->filter, 1);
1505 unlock_user_struct(tfprog, optval_addr, 1);
1506 return -TARGET_ENOMEM;
1507 }
1508 for (i = 0; i < fprog.len; i++) {
1509 filter[i].code = tswap16(tfilter[i].code);
1510 filter[i].jt = tfilter[i].jt;
1511 filter[i].jf = tfilter[i].jf;
1512 filter[i].k = tswap32(tfilter[i].k);
1513 }
1514 fprog.filter = filter;
1515
1516 ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
1517 SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
1518 free(filter);
1519
1520 unlock_user_struct(tfilter, tfprog->filter, 1);
1521 unlock_user_struct(tfprog, optval_addr, 1);
1522 return ret;
1523 }
451aaf68
JT		 1524 case TARGET_SO_BINDTODEVICE:
1525 {
1526 char *dev_ifname, *addr_ifname;
1527
1528 if (optlen > IFNAMSIZ - 1) {
1529 optlen = IFNAMSIZ - 1;
1530 }
1531 dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1532 if (!dev_ifname) {
1533 return -TARGET_EFAULT;
1534 }
1535 optname = SO_BINDTODEVICE;
1536 addr_ifname = alloca(IFNAMSIZ);
1537 memcpy(addr_ifname, dev_ifname, optlen);
1538 addr_ifname[optlen] = 0;
1539 ret = get_errno(setsockopt(sockfd, level, optname, addr_ifname, optlen));
1540 unlock_user (dev_ifname, optval_addr, 0);
1541 return ret;
1542 }
8853f86e 1543 /* Options with 'int' argument. */
3532fa74
FB		 1544 case TARGET_SO_DEBUG:
1545 optname = SO_DEBUG;
1546 break;
1547 case TARGET_SO_REUSEADDR:
1548 optname = SO_REUSEADDR;
1549 break;
1550 case TARGET_SO_TYPE:
1551 optname = SO_TYPE;
1552 break;
1553 case TARGET_SO_ERROR:
1554 optname = SO_ERROR;
1555 break;
1556 case TARGET_SO_DONTROUTE:
1557 optname = SO_DONTROUTE;
1558 break;
1559 case TARGET_SO_BROADCAST:
1560 optname = SO_BROADCAST;
1561 break;
1562 case TARGET_SO_SNDBUF:
1563 optname = SO_SNDBUF;
1564 break;
d79b6cc4
PB		 1565 case TARGET_SO_SNDBUFFORCE:
1566 optname = SO_SNDBUFFORCE;
1567 break;
3532fa74
FB		 1568 case TARGET_SO_RCVBUF:
1569 optname = SO_RCVBUF;
1570 break;
d79b6cc4
PB		 1571 case TARGET_SO_RCVBUFFORCE:
1572 optname = SO_RCVBUFFORCE;
1573 break;
3532fa74
FB		 1574 case TARGET_SO_KEEPALIVE:
1575 optname = SO_KEEPALIVE;
1576 break;
1577 case TARGET_SO_OOBINLINE:
1578 optname = SO_OOBINLINE;
1579 break;
1580 case TARGET_SO_NO_CHECK:
1581 optname = SO_NO_CHECK;
1582 break;
1583 case TARGET_SO_PRIORITY:
1584 optname = SO_PRIORITY;
1585 break;
5e83e8e3 1586#ifdef SO_BSDCOMPAT
3532fa74
FB		 1587 case TARGET_SO_BSDCOMPAT:
1588 optname = SO_BSDCOMPAT;
1589 break;
5e83e8e3 1590#endif
3532fa74
FB		 1591 case TARGET_SO_PASSCRED:
1592 optname = SO_PASSCRED;
1593 break;
82d0fe6b
PB		 1594 case TARGET_SO_PASSSEC:
1595 optname = SO_PASSSEC;
1596 break;
3532fa74
FB		 1597 case TARGET_SO_TIMESTAMP:
1598 optname = SO_TIMESTAMP;
1599 break;
1600 case TARGET_SO_RCVLOWAT:
1601 optname = SO_RCVLOWAT;
1602 break;
8853f86e
FB		 1603 break;
1604 default:
1605 goto unimplemented;
1606 }
3532fa74 1607 if (optlen < sizeof(uint32_t))
2f619698 1608 return -TARGET_EINVAL;
3532fa74 1609
2f619698
FB		 1610 if (get_user_u32(val, optval_addr))
1611 return -TARGET_EFAULT;
3532fa74 1612 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1613 break;
7854b056 1614 default:
8853f86e 1615 unimplemented:
b2bedb21 1616 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
6fa13c17 1617 ret = -TARGET_ENOPROTOOPT;
7854b056 1618 }
8853f86e 1619 return ret;
7854b056
FB		 1620}
1621
0da46a6e 1622/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1623static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1624 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1625{
992f48a0 1626 abi_long ret;
b55266b5
BS		 1627 int len, val;
1628 socklen_t lv;
8853f86e
FB		 1629
1630 switch(level) {
3532fa74 1631 case TARGET_SOL_SOCKET:
f3b974cd
JL		 1632 level = SOL_SOCKET;
1633 switch (optname) {
1634 /* These don't just return a single integer */
1635 case TARGET_SO_LINGER:
1636 case TARGET_SO_RCVTIMEO:
1637 case TARGET_SO_SNDTIMEO:
f3b974cd
JL		 1638 case TARGET_SO_PEERNAME:
1639 goto unimplemented;
583359a6
AP		 1640 case TARGET_SO_PEERCRED: {
1641 struct ucred cr;
1642 socklen_t crlen;
1643 struct target_ucred *tcr;
1644
1645 if (get_user_u32(len, optlen)) {
1646 return -TARGET_EFAULT;
1647 }
1648 if (len < 0) {
1649 return -TARGET_EINVAL;
1650 }
1651
1652 crlen = sizeof(cr);
1653 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
1654 &cr, &crlen));
1655 if (ret < 0) {
1656 return ret;
1657 }
1658 if (len > crlen) {
1659 len = crlen;
1660 }
1661 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
1662 return -TARGET_EFAULT;
1663 }
1664 __put_user(cr.pid, &tcr->pid);
1665 __put_user(cr.uid, &tcr->uid);
1666 __put_user(cr.gid, &tcr->gid);
1667 unlock_user_struct(tcr, optval_addr, 1);
1668 if (put_user_u32(len, optlen)) {
1669 return -TARGET_EFAULT;
1670 }
1671 break;
1672 }
f3b974cd
JL		 1673 /* Options with 'int' argument. */
1674 case TARGET_SO_DEBUG:
1675 optname = SO_DEBUG;
1676 goto int_case;
1677 case TARGET_SO_REUSEADDR:
1678 optname = SO_REUSEADDR;
1679 goto int_case;
1680 case TARGET_SO_TYPE:
1681 optname = SO_TYPE;
1682 goto int_case;
1683 case TARGET_SO_ERROR:
1684 optname = SO_ERROR;
1685 goto int_case;
1686 case TARGET_SO_DONTROUTE:
1687 optname = SO_DONTROUTE;
1688 goto int_case;
1689 case TARGET_SO_BROADCAST:
1690 optname = SO_BROADCAST;
1691 goto int_case;
1692 case TARGET_SO_SNDBUF:
1693 optname = SO_SNDBUF;
1694 goto int_case;
1695 case TARGET_SO_RCVBUF:
1696 optname = SO_RCVBUF;
1697 goto int_case;
1698 case TARGET_SO_KEEPALIVE:
1699 optname = SO_KEEPALIVE;
1700 goto int_case;
1701 case TARGET_SO_OOBINLINE:
1702 optname = SO_OOBINLINE;
1703 goto int_case;
1704 case TARGET_SO_NO_CHECK:
1705 optname = SO_NO_CHECK;
1706 goto int_case;
1707 case TARGET_SO_PRIORITY:
1708 optname = SO_PRIORITY;
1709 goto int_case;
1710#ifdef SO_BSDCOMPAT
1711 case TARGET_SO_BSDCOMPAT:
1712 optname = SO_BSDCOMPAT;
1713 goto int_case;
1714#endif
1715 case TARGET_SO_PASSCRED:
1716 optname = SO_PASSCRED;
1717 goto int_case;
1718 case TARGET_SO_TIMESTAMP:
1719 optname = SO_TIMESTAMP;
1720 goto int_case;
1721 case TARGET_SO_RCVLOWAT:
1722 optname = SO_RCVLOWAT;
1723 goto int_case;
aec1ca41
PB		 1724 case TARGET_SO_ACCEPTCONN:
1725 optname = SO_ACCEPTCONN;
1726 goto int_case;
8853f86e 1727 default:
2efbe911
FB		 1728 goto int_case;
1729 }
1730 break;
1731 case SOL_TCP:
1732 /* TCP options all take an 'int' value. */
1733 int_case:
2f619698
FB		 1734 if (get_user_u32(len, optlen))
1735 return -TARGET_EFAULT;
2efbe911 1736 if (len < 0)
0da46a6e 1737 return -TARGET_EINVAL;
73160d95 1738 lv = sizeof(lv);
2efbe911
FB		 1739 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1740 if (ret < 0)
1741 return ret;
8289d112
PB		 1742 if (optname == SO_TYPE) {
1743 val = host_to_target_sock_type(val);
1744 }
2efbe911
FB		 1745 if (len > lv)
1746 len = lv;
2f619698
FB		 1747 if (len == 4) {
1748 if (put_user_u32(val, optval_addr))
1749 return -TARGET_EFAULT;
1750 } else {
1751 if (put_user_u8(val, optval_addr))
1752 return -TARGET_EFAULT;
f3b974cd 1753 }
2f619698
FB		 1754 if (put_user_u32(len, optlen))
1755 return -TARGET_EFAULT;
2efbe911
FB		 1756 break;
1757 case SOL_IP:
1758 switch(optname) {
1759 case IP_TOS:
1760 case IP_TTL:
1761 case IP_HDRINCL:
1762 case IP_ROUTER_ALERT:
1763 case IP_RECVOPTS:
1764 case IP_RETOPTS:
1765 case IP_PKTINFO:
1766 case IP_MTU_DISCOVER:
1767 case IP_RECVERR:
1768 case IP_RECVTOS:
1769#ifdef IP_FREEBIND
1770 case IP_FREEBIND:
1771#endif
1772 case IP_MULTICAST_TTL:
1773 case IP_MULTICAST_LOOP:
2f619698
FB		 1774 if (get_user_u32(len, optlen))
1775 return -TARGET_EFAULT;
8853f86e 1776 if (len < 0)
0da46a6e 1777 return -TARGET_EINVAL;
73160d95 1778 lv = sizeof(lv);
8853f86e
FB		 1779 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1780 if (ret < 0)
1781 return ret;
2efbe911 1782 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1783 len = 1;
2f619698
FB		 1784 if (put_user_u32(len, optlen)
1785 || put_user_u8(val, optval_addr))
1786 return -TARGET_EFAULT;
2efbe911 1787 } else {
2efbe911
FB		 1788 if (len > sizeof(int))
1789 len = sizeof(int);
2f619698
FB		 1790 if (put_user_u32(len, optlen)
1791 || put_user_u32(val, optval_addr))
1792 return -TARGET_EFAULT;
2efbe911 1793 }
8853f86e 1794 break;
2efbe911 1795 default:
c02f499e
TS		 1796 ret = -TARGET_ENOPROTOOPT;
1797 break;
8853f86e
FB		 1798 }
1799 break;
1800 default:
1801 unimplemented:
1802 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1803 level, optname);
c02f499e 1804 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1805 break;
1806 }
1807 return ret;
7854b056
FB		 1808}
1809
f287b2c2
RH		 1810static struct iovec *lock_iovec(int type, abi_ulong target_addr,
1811 int count, int copy)
53a5960a
PB		 1812{
1813 struct target_iovec *target_vec;
f287b2c2
RH		 1814 struct iovec *vec;
1815 abi_ulong total_len, max_len;
d732dcb4 1816 int i;
501bb4b0 1817 int err = 0;
29560a6c 1818 bool bad_address = false;
53a5960a 1819
f287b2c2
RH		 1820 if (count == 0) {
1821 errno = 0;
1822 return NULL;
1823 }
dfae8e00 1824 if (count < 0 || count > IOV_MAX) {
f287b2c2
RH		 1825 errno = EINVAL;
1826 return NULL;
1827 }
1828
1829 vec = calloc(count, sizeof(struct iovec));
1830 if (vec == NULL) {
1831 errno = ENOMEM;
1832 return NULL;
1833 }
1834
1835 target_vec = lock_user(VERIFY_READ, target_addr,
1836 count * sizeof(struct target_iovec), 1);
1837 if (target_vec == NULL) {
501bb4b0 1838 err = EFAULT;
f287b2c2
RH		 1839 goto fail2;
1840 }
1841
1842 /* ??? If host page size > target page size, this will result in a
1843 value larger than what we can actually support. */
1844 max_len = 0x7fffffff & TARGET_PAGE_MASK;
1845 total_len = 0;
1846
1847 for (i = 0; i < count; i++) {
1848 abi_ulong base = tswapal(target_vec[i].iov_base);
1849 abi_long len = tswapal(target_vec[i].iov_len);
1850
1851 if (len < 0) {
501bb4b0 1852 err = EINVAL;
f287b2c2
RH		 1853 goto fail;
1854 } else if (len == 0) {
1855 /* Zero length pointer is ignored. */
1856 vec[i].iov_base = 0;
41df8411 1857 } else {
f287b2c2 1858 vec[i].iov_base = lock_user(type, base, len, copy);
29560a6c
TM		 1859 /* If the first buffer pointer is bad, this is a fault. But
1860 * subsequent bad buffers will result in a partial write; this
1861 * is realized by filling the vector with null pointers and
1862 * zero lengths. */
f287b2c2 1863 if (!vec[i].iov_base) {
29560a6c
TM		 1864 if (i == 0) {
1865 err = EFAULT;
1866 goto fail;
1867 } else {
1868 bad_address = true;
1869 }
1870 }
1871 if (bad_address) {
1872 len = 0;
f287b2c2
RH		 1873 }
1874 if (len > max_len - total_len) {
1875 len = max_len - total_len;
1876 }
41df8411 1877 }
f287b2c2
RH		 1878 vec[i].iov_len = len;
1879 total_len += len;
579a97f7 1880 }
f287b2c2
RH		 1881
1882 unlock_user(target_vec, target_addr, 0);
1883 return vec;
1884
1885 fail:
7eff518b
CG		 1886 while (--i >= 0) {
1887 if (tswapal(target_vec[i].iov_len) > 0) {
1888 unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0);
1889 }
1890 }
f287b2c2 1891 unlock_user(target_vec, target_addr, 0);
501bb4b0
PM		 1892 fail2:
1893 free(vec);
1894 errno = err;
f287b2c2 1895 return NULL;
53a5960a
PB		 1896}
1897
f287b2c2
RH		 1898static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1899 int count, int copy)
53a5960a
PB		 1900{
1901 struct target_iovec *target_vec;
53a5960a
PB		 1902 int i;
1903
f287b2c2
RH		 1904 target_vec = lock_user(VERIFY_READ, target_addr,
1905 count * sizeof(struct target_iovec), 1);
1906 if (target_vec) {
1907 for (i = 0; i < count; i++) {
1908 abi_ulong base = tswapal(target_vec[i].iov_base);
71ec7cef 1909 abi_long len = tswapal(target_vec[i].iov_len);
f287b2c2
RH		 1910 if (len < 0) {
1911 break;
1912 }
d732dcb4
AZ		 1913 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1914 }
f287b2c2 1915 unlock_user(target_vec, target_addr, 0);
53a5960a 1916 }
579a97f7 1917
f287b2c2 1918 free(vec);
53a5960a
PB		 1919}
1920
53d09b76 1921static inline int target_to_host_sock_type(int *type)
3532fa74 1922{
f651e6ae
PJ		 1923 int host_type = 0;
1924 int target_type = *type;
1925
1926 switch (target_type & TARGET_SOCK_TYPE_MASK) {
3532fa74 1927 case TARGET_SOCK_DGRAM:
f651e6ae 1928 host_type = SOCK_DGRAM;
3532fa74
FB		 1929 break;
1930 case TARGET_SOCK_STREAM:
f651e6ae 1931 host_type = SOCK_STREAM;
3532fa74 1932 break;
f651e6ae
PJ		 1933 default:
1934 host_type = target_type & TARGET_SOCK_TYPE_MASK;
3532fa74
FB		 1935 break;
1936 }
f651e6ae 1937 if (target_type & TARGET_SOCK_CLOEXEC) {
53d09b76 1938#if defined(SOCK_CLOEXEC)
f651e6ae 1939 host_type |= SOCK_CLOEXEC;
53d09b76
EI		 1940#else
1941 return -TARGET_EINVAL;
1942#endif
f651e6ae
PJ		 1943 }
1944 if (target_type & TARGET_SOCK_NONBLOCK) {
53d09b76 1945#if defined(SOCK_NONBLOCK)
f651e6ae 1946 host_type |= SOCK_NONBLOCK;
53d09b76
EI		 1947#elif !defined(O_NONBLOCK)
1948 return -TARGET_EINVAL;
1949#endif
f651e6ae
PJ		 1950 }
1951 *type = host_type;
53d09b76
EI		 1952 return 0;
1953}
1954
1955/* Try to emulate socket type flags after socket creation. */
1956static int sock_flags_fixup(int fd, int target_type)
1957{
1958#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
1959 if (target_type & TARGET_SOCK_NONBLOCK) {
1960 int flags = fcntl(fd, F_GETFL);
1961 if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
1962 close(fd);
1963 return -TARGET_EINVAL;
1964 }
1965 }
1966#endif
1967 return fd;
f651e6ae
PJ		 1968}
1969
1970/* do_socket() Must return target values and target errnos. */
1971static abi_long do_socket(int domain, int type, int protocol)
1972{
53d09b76
EI		 1973 int target_type = type;
1974 int ret;
1975
1976 ret = target_to_host_sock_type(&type);
1977 if (ret) {
1978 return ret;
1979 }
f651e6ae 1980
12bc92ab 1981 if (domain == PF_NETLINK)
480eda2e 1982 return -TARGET_EAFNOSUPPORT;
53d09b76
EI		 1983 ret = get_errno(socket(domain, type, protocol));
1984 if (ret >= 0) {
1985 ret = sock_flags_fixup(ret, target_type);
1986 }
1987 return ret;
3532fa74
FB		 1988}
1989
0da46a6e 1990/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1991static abi_long do_bind(int sockfd, abi_ulong target_addr,
1992 socklen_t addrlen)
3532fa74 1993{
8f7aeaf6 1994 void *addr;
917507b0 1995 abi_long ret;
8f7aeaf6 1996
38724253 1997 if ((int)addrlen < 0) {
8f7aeaf6 1998 return -TARGET_EINVAL;
38724253 1999 }
8f7aeaf6 2000
607175e0 2001 addr = alloca(addrlen+1);
3b46e624 2002
917507b0
AP		 2003 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2004 if (ret)
2005 return ret;
2006
3532fa74
FB		 2007 return get_errno(bind(sockfd, addr, addrlen));
2008}
2009
0da46a6e 2010/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 2011static abi_long do_connect(int sockfd, abi_ulong target_addr,
2012 socklen_t addrlen)
3532fa74 2013{
8f7aeaf6 2014 void *addr;
917507b0 2015 abi_long ret;
8f7aeaf6 2016
38724253 2017 if ((int)addrlen < 0) {
8f7aeaf6 2018 return -TARGET_EINVAL;
38724253 2019 }
8f7aeaf6 2020
2dd08dfd 2021 addr = alloca(addrlen+1);
3b46e624 2022
917507b0
AP		 2023 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2024 if (ret)
2025 return ret;
2026
3532fa74
FB		 2027 return get_errno(connect(sockfd, addr, addrlen));
2028}
2029
f19e00d7
AG		 2030/* do_sendrecvmsg_locked() Must return target values and target errnos. */
2031static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
2032 int flags, int send)
3532fa74 2033{
6de645c7 2034 abi_long ret, len;
3532fa74
FB		 2035 struct msghdr msg;
2036 int count;
2037 struct iovec *vec;
992f48a0 2038 abi_ulong target_vec;
3532fa74 2039
3532fa74
FB		 2040 if (msgp->msg_name) {
2041 msg.msg_namelen = tswap32(msgp->msg_namelen);
2dd08dfd 2042 msg.msg_name = alloca(msg.msg_namelen+1);
cbb21eed 2043 ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
3532fa74 2044 msg.msg_namelen);
917507b0 2045 if (ret) {
f287b2c2 2046 goto out2;
917507b0 2047 }
3532fa74
FB		 2048 } else {
2049 msg.msg_name = NULL;
2050 msg.msg_namelen = 0;
2051 }
cbb21eed 2052 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3532fa74
FB		 2053 msg.msg_control = alloca(msg.msg_controllen);
2054 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 2055
cbb21eed 2056 count = tswapal(msgp->msg_iovlen);
cbb21eed 2057 target_vec = tswapal(msgp->msg_iov);
f287b2c2
RH		 2058 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
2059 target_vec, count, send);
2060 if (vec == NULL) {
2061 ret = -host_to_target_errno(errno);
2062 goto out2;
2063 }
3532fa74
FB		 2064 msg.msg_iovlen = count;
2065 msg.msg_iov = vec;
3b46e624 2066
3532fa74 2067 if (send) {
5a4a898d
FB		 2068 ret = target_to_host_cmsg(&msg, msgp);
2069 if (ret == 0)
2070 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 2071 } else {
2072 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 2073 if (!is_error(ret)) {
2074 len = ret;
5a4a898d 2075 ret = host_to_target_cmsg(msgp, &msg);
ca619067
JH		 2076 if (!is_error(ret)) {
2077 msgp->msg_namelen = tswap32(msg.msg_namelen);
2078 if (msg.msg_name != NULL) {
2079 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
2080 msg.msg_name, msg.msg_namelen);
2081 if (ret) {
2082 goto out;
2083 }
2084 }
2085
6de645c7 2086 ret = len;
ca619067 2087 }
6de645c7 2088 }
3532fa74 2089 }
ca619067
JH		 2090
2091out:
3532fa74 2092 unlock_iovec(vec, target_vec, count, !send);
f287b2c2 2093out2:
f19e00d7
AG		 2094 return ret;
2095}
2096
2097static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
2098 int flags, int send)
2099{
2100 abi_long ret;
2101 struct target_msghdr *msgp;
2102
2103 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
2104 msgp,
2105 target_msg,
2106 send ? 1 : 0)) {
2107 return -TARGET_EFAULT;
2108 }
2109 ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
579a97f7 2110 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 2111 return ret;
2112}
2113
f19e00d7
AG		 2114#ifdef TARGET_NR_sendmmsg
2115/* We don't rely on the C library to have sendmmsg/recvmmsg support,
2116 * so it might not have this *mmsg-specific flag either.
2117 */
2118#ifndef MSG_WAITFORONE
2119#define MSG_WAITFORONE 0x10000
2120#endif
2121
2122static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
2123 unsigned int vlen, unsigned int flags,
2124 int send)
2125{
2126 struct target_mmsghdr *mmsgp;
2127 abi_long ret = 0;
2128 int i;
2129
2130 if (vlen > UIO_MAXIOV) {
2131 vlen = UIO_MAXIOV;
2132 }
2133
2134 mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1);
2135 if (!mmsgp) {
2136 return -TARGET_EFAULT;
2137 }
2138
2139 for (i = 0; i < vlen; i++) {
2140 ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send);
2141 if (is_error(ret)) {
2142 break;
2143 }
2144 mmsgp[i].msg_len = tswap32(ret);
2145 /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
2146 if (flags & MSG_WAITFORONE) {
2147 flags |= MSG_DONTWAIT;
2148 }
2149 }
2150
2151 unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
2152
2153 /* Return number of datagrams sent if we sent any at all;
2154 * otherwise return the error.
2155 */
2156 if (i) {
2157 return i;
2158 }
2159 return ret;
2160}
2161#endif
2162
a94b4987
PM		 2163/* If we don't have a system accept4() then just call accept.
2164 * The callsites to do_accept4() will ensure that they don't
2165 * pass a non-zero flags argument in this config.
2166 */
2167#ifndef CONFIG_ACCEPT4
2168static inline int accept4(int sockfd, struct sockaddr *addr,
2169 socklen_t *addrlen, int flags)
2170{
2171 assert(flags == 0);
2172 return accept(sockfd, addr, addrlen);
2173}
2174#endif
2175
2176/* do_accept4() Must return target values and target errnos. */
2177static abi_long do_accept4(int fd, abi_ulong target_addr,
2178 abi_ulong target_addrlen_addr, int flags)
1be9e1dc 2179{
2f619698
FB		 2180 socklen_t addrlen;
2181 void *addr;
992f48a0 2182 abi_long ret;
d25295d4
PJ		 2183 int host_flags;
2184
2185 host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl);
1be9e1dc 2186
a94b4987 2187 if (target_addr == 0) {
d25295d4 2188 return get_errno(accept4(fd, NULL, NULL, host_flags));
a94b4987 2189 }
917507b0
AP		 2190
2191 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 2192 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 2193 return -TARGET_EINVAL;
2f619698 2194
38724253 2195 if ((int)addrlen < 0) {
8f7aeaf6 2196 return -TARGET_EINVAL;
38724253 2197 }
8f7aeaf6 2198
917507b0
AP		 2199 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2200 return -TARGET_EINVAL;
2201
2f619698
FB		 2202 addr = alloca(addrlen);
2203
d25295d4 2204 ret = get_errno(accept4(fd, addr, &addrlen, host_flags));
1be9e1dc
PB		 2205 if (!is_error(ret)) {
2206 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2207 if (put_user_u32(addrlen, target_addrlen_addr))
2208 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2209 }
2210 return ret;
2211}
2212
0da46a6e 2213/* do_getpeername() Must return target values and target errnos. */
992f48a0 2214static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 2215 abi_ulong target_addrlen_addr)
1be9e1dc 2216{
2f619698
FB		 2217 socklen_t addrlen;
2218 void *addr;
992f48a0 2219 abi_long ret;
1be9e1dc 2220
2f619698
FB		 2221 if (get_user_u32(addrlen, target_addrlen_addr))
2222 return -TARGET_EFAULT;
2223
38724253 2224 if ((int)addrlen < 0) {
8f7aeaf6 2225 return -TARGET_EINVAL;
38724253 2226 }
8f7aeaf6 2227
917507b0
AP		 2228 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2229 return -TARGET_EFAULT;
2230
2f619698
FB		 2231 addr = alloca(addrlen);
2232
1be9e1dc
PB		 2233 ret = get_errno(getpeername(fd, addr, &addrlen));
2234 if (!is_error(ret)) {
2235 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2236 if (put_user_u32(addrlen, target_addrlen_addr))
2237 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2238 }
2239 return ret;
2240}
2241
0da46a6e 2242/* do_getsockname() Must return target values and target errnos. */
992f48a0 2243static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 2244 abi_ulong target_addrlen_addr)
1be9e1dc 2245{
2f619698
FB		 2246 socklen_t addrlen;
2247 void *addr;
992f48a0 2248 abi_long ret;
1be9e1dc 2249
2f619698
FB		 2250 if (get_user_u32(addrlen, target_addrlen_addr))
2251 return -TARGET_EFAULT;
2252
38724253 2253 if ((int)addrlen < 0) {
8f7aeaf6 2254 return -TARGET_EINVAL;
38724253 2255 }
8f7aeaf6 2256
917507b0
AP		 2257 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2258 return -TARGET_EFAULT;
2259
2f619698
FB		 2260 addr = alloca(addrlen);
2261
1be9e1dc
PB		 2262 ret = get_errno(getsockname(fd, addr, &addrlen));
2263 if (!is_error(ret)) {
2264 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2265 if (put_user_u32(addrlen, target_addrlen_addr))
2266 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2267 }
2268 return ret;
2269}
2270
0da46a6e 2271/* do_socketpair() Must return target values and target errnos. */
992f48a0 2272static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 2273 abi_ulong target_tab_addr)
1be9e1dc
PB		 2274{
2275 int tab[2];
992f48a0 2276 abi_long ret;
1be9e1dc 2277
f651e6ae
PJ		 2278 target_to_host_sock_type(&type);
2279
1be9e1dc
PB		 2280 ret = get_errno(socketpair(domain, type, protocol, tab));
2281 if (!is_error(ret)) {
2f619698
FB		 2282 if (put_user_s32(tab[0], target_tab_addr)
2283 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
2284 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2285 }
2286 return ret;
2287}
2288
0da46a6e 2289/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 2290static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
2291 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 2292{
2293 void *addr;
2294 void *host_msg;
992f48a0 2295 abi_long ret;
1be9e1dc 2296
38724253 2297 if ((int)addrlen < 0) {
8f7aeaf6 2298 return -TARGET_EINVAL;
38724253 2299 }
8f7aeaf6 2300
579a97f7
FB		 2301 host_msg = lock_user(VERIFY_READ, msg, len, 1);
2302 if (!host_msg)
2303 return -TARGET_EFAULT;
1be9e1dc 2304 if (target_addr) {
2dd08dfd 2305 addr = alloca(addrlen+1);
917507b0
AP		 2306 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2307 if (ret) {
2308 unlock_user(host_msg, msg, 0);
2309 return ret;
2310 }
1be9e1dc
PB		 2311 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
2312 } else {
2313 ret = get_errno(send(fd, host_msg, len, flags));
2314 }
2315 unlock_user(host_msg, msg, 0);
2316 return ret;
2317}
2318
0da46a6e 2319/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 2320static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
2321 abi_ulong target_addr,
2322 abi_ulong target_addrlen)
1be9e1dc
PB		 2323{
2324 socklen_t addrlen;
2325 void *addr;
2326 void *host_msg;
992f48a0 2327 abi_long ret;
1be9e1dc 2328
579a97f7
FB		 2329 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
2330 if (!host_msg)
2331 return -TARGET_EFAULT;
1be9e1dc 2332 if (target_addr) {
2f619698
FB		 2333 if (get_user_u32(addrlen, target_addrlen)) {
2334 ret = -TARGET_EFAULT;
2335 goto fail;
2336 }
38724253 2337 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 2338 ret = -TARGET_EINVAL;
2339 goto fail;
2340 }
1be9e1dc
PB		 2341 addr = alloca(addrlen);
2342 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
2343 } else {
2344 addr = NULL; /* To keep compiler quiet. */
00aa0040 2345 ret = get_errno(qemu_recv(fd, host_msg, len, flags));
1be9e1dc
PB		 2346 }
2347 if (!is_error(ret)) {
2348 if (target_addr) {
2349 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2350 if (put_user_u32(addrlen, target_addrlen)) {
2351 ret = -TARGET_EFAULT;
2352 goto fail;
2353 }
1be9e1dc
PB		 2354 }
2355 unlock_user(host_msg, msg, len);
2356 } else {
2f619698 2357fail:
1be9e1dc
PB		 2358 unlock_user(host_msg, msg, 0);
2359 }
2360 return ret;
2361}
2362
32407103 2363#ifdef TARGET_NR_socketcall
0da46a6e 2364/* do_socketcall() Must return target values and target errnos. */
992f48a0 2365static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 2366{
62dc90c6
MT		 2367 static const unsigned ac[] = { /* number of arguments per call */
2368 [SOCKOP_socket] = 3, /* domain, type, protocol */
2369 [SOCKOP_bind] = 3, /* sockfd, addr, addrlen */
2370 [SOCKOP_connect] = 3, /* sockfd, addr, addrlen */
2371 [SOCKOP_listen] = 2, /* sockfd, backlog */
2372 [SOCKOP_accept] = 3, /* sockfd, addr, addrlen */
2373 [SOCKOP_accept4] = 4, /* sockfd, addr, addrlen, flags */
2374 [SOCKOP_getsockname] = 3, /* sockfd, addr, addrlen */
2375 [SOCKOP_getpeername] = 3, /* sockfd, addr, addrlen */
2376 [SOCKOP_socketpair] = 4, /* domain, type, protocol, tab */
2377 [SOCKOP_send] = 4, /* sockfd, msg, len, flags */
2378 [SOCKOP_recv] = 4, /* sockfd, msg, len, flags */
2379 [SOCKOP_sendto] = 6, /* sockfd, msg, len, flags, addr, addrlen */
2380 [SOCKOP_recvfrom] = 6, /* sockfd, msg, len, flags, addr, addrlen */
2381 [SOCKOP_shutdown] = 2, /* sockfd, how */
2382 [SOCKOP_sendmsg] = 3, /* sockfd, msg, flags */
2383 [SOCKOP_recvmsg] = 3, /* sockfd, msg, flags */
2384 [SOCKOP_setsockopt] = 5, /* sockfd, level, optname, optval, optlen */
2385 [SOCKOP_getsockopt] = 5, /* sockfd, level, optname, optval, optlen */
2386 };
2387 abi_long a[6]; /* max 6 args */
2388
2389 /* first, collect the arguments in a[] according to ac[] */
2390 if (num >= 0 && num < ARRAY_SIZE(ac)) {
2391 unsigned i;
2392 assert(ARRAY_SIZE(a) >= ac[num]); /* ensure we have space for args */
2393 for (i = 0; i < ac[num]; ++i) {
2394 if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
b9d36eb2
AH		 2395 return -TARGET_EFAULT;
2396 }
31e31b8a 2397 }
62dc90c6 2398 }
7854b056 2399
62dc90c6
MT		 2400 /* now when we have the args, actually handle the call */
2401 switch (num) {
2402 case SOCKOP_socket: /* domain, type, protocol */
2403 return do_socket(a[0], a[1], a[2]);
2404 case SOCKOP_bind: /* sockfd, addr, addrlen */
2405 return do_bind(a[0], a[1], a[2]);
2406 case SOCKOP_connect: /* sockfd, addr, addrlen */
2407 return do_connect(a[0], a[1], a[2]);
2408 case SOCKOP_listen: /* sockfd, backlog */
2409 return get_errno(listen(a[0], a[1]));
2410 case SOCKOP_accept: /* sockfd, addr, addrlen */
2411 return do_accept4(a[0], a[1], a[2], 0);
2412 case SOCKOP_accept4: /* sockfd, addr, addrlen, flags */
2413 return do_accept4(a[0], a[1], a[2], a[3]);
2414 case SOCKOP_getsockname: /* sockfd, addr, addrlen */
2415 return do_getsockname(a[0], a[1], a[2]);
2416 case SOCKOP_getpeername: /* sockfd, addr, addrlen */
2417 return do_getpeername(a[0], a[1], a[2]);
2418 case SOCKOP_socketpair: /* domain, type, protocol, tab */
2419 return do_socketpair(a[0], a[1], a[2], a[3]);
2420 case SOCKOP_send: /* sockfd, msg, len, flags */
2421 return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
2422 case SOCKOP_recv: /* sockfd, msg, len, flags */
2423 return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
2424 case SOCKOP_sendto: /* sockfd, msg, len, flags, addr, addrlen */
2425 return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
2426 case SOCKOP_recvfrom: /* sockfd, msg, len, flags, addr, addrlen */
2427 return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
2428 case SOCKOP_shutdown: /* sockfd, how */
2429 return get_errno(shutdown(a[0], a[1]));
2430 case SOCKOP_sendmsg: /* sockfd, msg, flags */
2431 return do_sendrecvmsg(a[0], a[1], a[2], 1);
2432 case SOCKOP_recvmsg: /* sockfd, msg, flags */
2433 return do_sendrecvmsg(a[0], a[1], a[2], 0);
2434 case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */
2435 return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
2436 case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */
2437 return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
31e31b8a
FB		 2438 default:
2439 gemu_log("Unsupported socketcall: %d\n", num);
62dc90c6 2440 return -TARGET_ENOSYS;
31e31b8a 2441 }
31e31b8a 2442}
32407103 2443#endif
31e31b8a 2444
8853f86e
FB		 2445#define N_SHM_REGIONS 32
2446
2447static struct shm_region {
5a4a898d
FB		 2448 abi_ulong start;
2449 abi_ulong size;
8853f86e
FB		 2450} shm_regions[N_SHM_REGIONS];
2451
3eb6b044
TS		 2452struct target_semid_ds
2453{
2454 struct target_ipc_perm sem_perm;
992f48a0 2455 abi_ulong sem_otime;
03527344 2456#if !defined(TARGET_PPC64)
992f48a0 2457 abi_ulong __unused1;
03527344 2458#endif
992f48a0 2459 abi_ulong sem_ctime;
03527344 2460#if !defined(TARGET_PPC64)
992f48a0 2461 abi_ulong __unused2;
03527344 2462#endif
992f48a0
BS		 2463 abi_ulong sem_nsems;
2464 abi_ulong __unused3;
2465 abi_ulong __unused4;
3eb6b044
TS		 2466};
2467
579a97f7
FB		 2468static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2469 abi_ulong target_addr)
3eb6b044
TS		 2470{
2471 struct target_ipc_perm *target_ip;
2472 struct target_semid_ds *target_sd;
2473
579a97f7
FB		 2474 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2475 return -TARGET_EFAULT;
e8bbe36c 2476 target_ip = &(target_sd->sem_perm);
55a2b163
PJ		 2477 host_ip->__key = tswap32(target_ip->__key);
2478 host_ip->uid = tswap32(target_ip->uid);
2479 host_ip->gid = tswap32(target_ip->gid);
2480 host_ip->cuid = tswap32(target_ip->cuid);
2481 host_ip->cgid = tswap32(target_ip->cgid);
2482#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
2483 host_ip->mode = tswap32(target_ip->mode);
2484#else
cbb21eed 2485 host_ip->mode = tswap16(target_ip->mode);
55a2b163
PJ		 2486#endif
2487#if defined(TARGET_PPC)
2488 host_ip->__seq = tswap32(target_ip->__seq);
2489#else
2490 host_ip->__seq = tswap16(target_ip->__seq);
2491#endif
3eb6b044 2492 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2493 return 0;
3eb6b044
TS		 2494}
2495
579a97f7
FB		 2496static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2497 struct ipc_perm *host_ip)
3eb6b044
TS		 2498{
2499 struct target_ipc_perm *target_ip;
2500 struct target_semid_ds *target_sd;
2501
579a97f7
FB		 2502 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2503 return -TARGET_EFAULT;
3eb6b044 2504 target_ip = &(target_sd->sem_perm);
55a2b163
PJ		 2505 target_ip->__key = tswap32(host_ip->__key);
2506 target_ip->uid = tswap32(host_ip->uid);
2507 target_ip->gid = tswap32(host_ip->gid);
2508 target_ip->cuid = tswap32(host_ip->cuid);
2509 target_ip->cgid = tswap32(host_ip->cgid);
2510#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
2511 target_ip->mode = tswap32(host_ip->mode);
2512#else
cbb21eed 2513 target_ip->mode = tswap16(host_ip->mode);
55a2b163
PJ		 2514#endif
2515#if defined(TARGET_PPC)
2516 target_ip->__seq = tswap32(host_ip->__seq);
2517#else
2518 target_ip->__seq = tswap16(host_ip->__seq);
2519#endif
3eb6b044 2520 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2521 return 0;
3eb6b044
TS		 2522}
2523
579a97f7
FB		 2524static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2525 abi_ulong target_addr)
3eb6b044
TS		 2526{
2527 struct target_semid_ds *target_sd;
2528
579a97f7
FB		 2529 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2530 return -TARGET_EFAULT;
e5289087
AJ		 2531 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2532 return -TARGET_EFAULT;
cbb21eed
MB		 2533 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
2534 host_sd->sem_otime = tswapal(target_sd->sem_otime);
2535 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3eb6b044 2536 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2537 return 0;
3eb6b044
TS		 2538}
2539
579a97f7
FB		 2540static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2541 struct semid_ds *host_sd)
3eb6b044
TS		 2542{
2543 struct target_semid_ds *target_sd;
2544
579a97f7
FB		 2545 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2546 return -TARGET_EFAULT;
e5289087 2547 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3a93113a 2548 return -TARGET_EFAULT;
cbb21eed
MB		 2549 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
2550 target_sd->sem_otime = tswapal(host_sd->sem_otime);
2551 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3eb6b044 2552 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2553 return 0;
3eb6b044
TS		 2554}
2555
e5289087
AJ		 2556struct target_seminfo {
2557 int semmap;
2558 int semmni;
2559 int semmns;
2560 int semmnu;
2561 int semmsl;
2562 int semopm;
2563 int semume;
2564 int semusz;
2565 int semvmx;
2566 int semaem;
2567};
2568
2569static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2570 struct seminfo *host_seminfo)
2571{
2572 struct target_seminfo *target_seminfo;
2573 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2574 return -TARGET_EFAULT;
2575 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2576 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2577 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2578 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2579 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2580 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2581 __put_user(host_seminfo->semume, &target_seminfo->semume);
2582 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2583 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2584 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2585 unlock_user_struct(target_seminfo, target_addr, 1);
2586 return 0;
2587}
2588
fa294816
TS		 2589union semun {
2590 int val;
3eb6b044 2591 struct semid_ds *buf;
fa294816 2592 unsigned short *array;
e5289087 2593 struct seminfo *__buf;
fa294816
TS		 2594};
2595
3eb6b044
TS		 2596union target_semun {
2597 int val;
e5289087
AJ		 2598 abi_ulong buf;
2599 abi_ulong array;
2600 abi_ulong __buf;
3eb6b044
TS		 2601};
2602
e5289087
AJ		 2603static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2604 abi_ulong target_addr)
3eb6b044 2605{
e5289087
AJ		 2606 int nsems;
2607 unsigned short *array;
2608 union semun semun;
2609 struct semid_ds semid_ds;
2610 int i, ret;
3eb6b044 2611
e5289087
AJ		 2612 semun.buf = &semid_ds;
2613
2614 ret = semctl(semid, 0, IPC_STAT, semun);
2615 if (ret == -1)
2616 return get_errno(ret);
2617
2618 nsems = semid_ds.sem_nsems;
2619
2620 *host_array = malloc(nsems*sizeof(unsigned short));
69d4c703
PM		 2621 if (!*host_array) {
2622 return -TARGET_ENOMEM;
2623 }
e5289087
AJ		 2624 array = lock_user(VERIFY_READ, target_addr,
2625 nsems*sizeof(unsigned short), 1);
69d4c703
PM		 2626 if (!array) {
2627 free(*host_array);
e5289087 2628 return -TARGET_EFAULT;
69d4c703 2629 }
e5289087
AJ		 2630
2631 for(i=0; i<nsems; i++) {
2632 __get_user((*host_array)[i], &array[i]);
3eb6b044 2633 }
e5289087
AJ		 2634 unlock_user(array, target_addr, 0);
2635
579a97f7 2636 return 0;
3eb6b044
TS		 2637}
2638
e5289087
AJ		 2639static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2640 unsigned short **host_array)
3eb6b044 2641{
e5289087
AJ		 2642 int nsems;
2643 unsigned short *array;
2644 union semun semun;
2645 struct semid_ds semid_ds;
2646 int i, ret;
3eb6b044 2647
e5289087
AJ		 2648 semun.buf = &semid_ds;
2649
2650 ret = semctl(semid, 0, IPC_STAT, semun);
2651 if (ret == -1)
2652 return get_errno(ret);
2653
2654 nsems = semid_ds.sem_nsems;
2655
2656 array = lock_user(VERIFY_WRITE, target_addr,
2657 nsems*sizeof(unsigned short), 0);
2658 if (!array)
2659 return -TARGET_EFAULT;
2660
2661 for(i=0; i<nsems; i++) {
2662 __put_user((*host_array)[i], &array[i]);
3eb6b044 2663 }
e5289087
AJ		 2664 free(*host_array);
2665 unlock_user(array, target_addr, 1);
2666
579a97f7 2667 return 0;
3eb6b044
TS		 2668}
2669
e5289087
AJ		 2670static inline abi_long do_semctl(int semid, int semnum, int cmd,
2671 union target_semun target_su)
3eb6b044
TS		 2672{
2673 union semun arg;
2674 struct semid_ds dsarg;
7b8118e8 2675 unsigned short *array = NULL;
e5289087
AJ		 2676 struct seminfo seminfo;
2677 abi_long ret = -TARGET_EINVAL;
2678 abi_long err;
2679 cmd &= 0xff;
3eb6b044
TS		 2680
2681 switch( cmd ) {
2682 case GETVAL:
3eb6b044 2683 case SETVAL:
5464baec
TM		 2684 /* In 64 bit cross-endian situations, we will erroneously pick up
2685 * the wrong half of the union for the "val" element. To rectify
2686 * this, the entire 8-byte structure is byteswapped, followed by
2687 * a swap of the 4 byte val field. In other cases, the data is
2688 * already in proper host byte order. */
2689 if (sizeof(target_su.val) != (sizeof(target_su.buf))) {
2690 target_su.buf = tswapal(target_su.buf);
2691 arg.val = tswap32(target_su.val);
2692 } else {
2693 arg.val = target_su.val;
2694 }
e5289087 2695 ret = get_errno(semctl(semid, semnum, cmd, arg));
3eb6b044
TS		 2696 break;
2697 case GETALL:
3eb6b044 2698 case SETALL:
e5289087
AJ		 2699 err = target_to_host_semarray(semid, &array, target_su.array);
2700 if (err)
2701 return err;
2702 arg.array = array;
2703 ret = get_errno(semctl(semid, semnum, cmd, arg));
2704 err = host_to_target_semarray(semid, target_su.array, &array);
2705 if (err)
2706 return err;
3eb6b044
TS		 2707 break;
2708 case IPC_STAT:
3eb6b044 2709 case IPC_SET:
e5289087
AJ		 2710 case SEM_STAT:
2711 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2712 if (err)
2713 return err;
2714 arg.buf = &dsarg;
2715 ret = get_errno(semctl(semid, semnum, cmd, arg));
2716 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2717 if (err)
2718 return err;
2719 break;
2720 case IPC_INFO:
2721 case SEM_INFO:
2722 arg.__buf = &seminfo;
2723 ret = get_errno(semctl(semid, semnum, cmd, arg));
2724 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2725 if (err)
2726 return err;
2727 break;
2728 case IPC_RMID:
2729 case GETPID:
2730 case GETNCNT:
2731 case GETZCNT:
2732 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2733 break;
3eb6b044
TS		 2734 }
2735
2736 return ret;
2737}
2738
e5289087
AJ		 2739struct target_sembuf {
2740 unsigned short sem_num;
2741 short sem_op;
2742 short sem_flg;
2743};
2744
2745static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2746 abi_ulong target_addr,
2747 unsigned nsops)
2748{
2749 struct target_sembuf *target_sembuf;
2750 int i;
2751
2752 target_sembuf = lock_user(VERIFY_READ, target_addr,
2753 nsops*sizeof(struct target_sembuf), 1);
2754 if (!target_sembuf)
2755 return -TARGET_EFAULT;
2756
2757 for(i=0; i<nsops; i++) {
2758 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2759 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2760 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2761 }
2762
2763 unlock_user(target_sembuf, target_addr, 0);
2764
2765 return 0;
2766}
2767
2768static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2769{
2770 struct sembuf sops[nsops];
2771
2772 if (target_to_host_sembuf(sops, ptr, nsops))
2773 return -TARGET_EFAULT;
2774
c7128c9f 2775 return get_errno(semop(semid, sops, nsops));
e5289087
AJ		 2776}
2777
1bc012f6
TS		 2778struct target_msqid_ds
2779{
1c54ff97
AJ		 2780 struct target_ipc_perm msg_perm;
2781 abi_ulong msg_stime;
2782#if TARGET_ABI_BITS == 32
2783 abi_ulong __unused1;
2784#endif
2785 abi_ulong msg_rtime;
2786#if TARGET_ABI_BITS == 32
2787 abi_ulong __unused2;
2788#endif
2789 abi_ulong msg_ctime;
2790#if TARGET_ABI_BITS == 32
2791 abi_ulong __unused3;
2792#endif
2793 abi_ulong __msg_cbytes;
2794 abi_ulong msg_qnum;
2795 abi_ulong msg_qbytes;
2796 abi_ulong msg_lspid;
2797 abi_ulong msg_lrpid;
2798 abi_ulong __unused4;
2799 abi_ulong __unused5;
1bc012f6
TS		 2800};
2801
579a97f7
FB		 2802static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2803 abi_ulong target_addr)
1bc012f6
TS		 2804{
2805 struct target_msqid_ds *target_md;
2806
579a97f7
FB		 2807 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2808 return -TARGET_EFAULT;
1c54ff97
AJ		 2809 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2810 return -TARGET_EFAULT;
cbb21eed
MB		 2811 host_md->msg_stime = tswapal(target_md->msg_stime);
2812 host_md->msg_rtime = tswapal(target_md->msg_rtime);
2813 host_md->msg_ctime = tswapal(target_md->msg_ctime);
2814 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
2815 host_md->msg_qnum = tswapal(target_md->msg_qnum);
2816 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
2817 host_md->msg_lspid = tswapal(target_md->msg_lspid);
2818 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
1bc012f6 2819 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2820 return 0;
1bc012f6
TS		 2821}
2822
579a97f7
FB		 2823static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2824 struct msqid_ds *host_md)
1bc012f6
TS		 2825{
2826 struct target_msqid_ds *target_md;
2827
579a97f7
FB		 2828 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2829 return -TARGET_EFAULT;
1c54ff97
AJ		 2830 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2831 return -TARGET_EFAULT;
cbb21eed
MB		 2832 target_md->msg_stime = tswapal(host_md->msg_stime);
2833 target_md->msg_rtime = tswapal(host_md->msg_rtime);
2834 target_md->msg_ctime = tswapal(host_md->msg_ctime);
2835 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
2836 target_md->msg_qnum = tswapal(host_md->msg_qnum);
2837 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
2838 target_md->msg_lspid = tswapal(host_md->msg_lspid);
2839 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
1bc012f6 2840 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2841 return 0;
1bc012f6
TS		 2842}
2843
1c54ff97
AJ		 2844struct target_msginfo {
2845 int msgpool;
2846 int msgmap;
2847 int msgmax;
2848 int msgmnb;
2849 int msgmni;
2850 int msgssz;
2851 int msgtql;
2852 unsigned short int msgseg;
2853};
2854
2855static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2856 struct msginfo *host_msginfo)
2857{
2858 struct target_msginfo *target_msginfo;
2859 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2860 return -TARGET_EFAULT;
2861 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2862 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2863 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2864 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2865 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2866 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2867 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2868 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2869 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2870 return 0;
1c54ff97
AJ		 2871}
2872
2873static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2874{
2875 struct msqid_ds dsarg;
1c54ff97
AJ		 2876 struct msginfo msginfo;
2877 abi_long ret = -TARGET_EINVAL;
2878
2879 cmd &= 0xff;
2880
2881 switch (cmd) {
1bc012f6
TS		 2882 case IPC_STAT:
2883 case IPC_SET:
1c54ff97
AJ		 2884 case MSG_STAT:
2885 if (target_to_host_msqid_ds(&dsarg,ptr))
2886 return -TARGET_EFAULT;
2887 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2888 if (host_to_target_msqid_ds(ptr,&dsarg))
2889 return -TARGET_EFAULT;
2890 break;
2891 case IPC_RMID:
2892 ret = get_errno(msgctl(msgid, cmd, NULL));
2893 break;
2894 case IPC_INFO:
2895 case MSG_INFO:
2896 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2897 if (host_to_target_msginfo(ptr, &msginfo))
2898 return -TARGET_EFAULT;
2899 break;
1bc012f6 2900 }
1c54ff97 2901
1bc012f6
TS		 2902 return ret;
2903}
2904
2905struct target_msgbuf {
1c54ff97
AJ		 2906 abi_long mtype;
2907 char mtext[1];
1bc012f6
TS		 2908};
2909
992f48a0 2910static inline abi_long do_msgsnd(int msqid, abi_long msgp,
edcc5f9d 2911 ssize_t msgsz, int msgflg)
1bc012f6
TS		 2912{
2913 struct target_msgbuf *target_mb;
2914 struct msgbuf *host_mb;
992f48a0 2915 abi_long ret = 0;
1bc012f6 2916
edcc5f9d
TM		 2917 if (msgsz < 0) {
2918 return -TARGET_EINVAL;
2919 }
2920
579a97f7
FB		 2921 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2922 return -TARGET_EFAULT;
1bc012f6 2923 host_mb = malloc(msgsz+sizeof(long));
29e03fcb
HZ		 2924 if (!host_mb) {
2925 unlock_user_struct(target_mb, msgp, 0);
2926 return -TARGET_ENOMEM;
2927 }
cbb21eed 2928 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
1c54ff97 2929 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2930 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2931 free(host_mb);
2932 unlock_user_struct(target_mb, msgp, 0);
2933
2934 return ret;
2935}
2936
992f48a0 2937static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2938 unsigned int msgsz, abi_long msgtyp,
992f48a0 2939 int msgflg)
1bc012f6
TS		 2940{
2941 struct target_msgbuf *target_mb;
579a97f7 2942 char *target_mtext;
1bc012f6 2943 struct msgbuf *host_mb;
992f48a0 2944 abi_long ret = 0;
1bc012f6 2945
579a97f7
FB		 2946 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2947 return -TARGET_EFAULT;
1c54ff97 2948
0d07fe47 2949 host_mb = g_malloc(msgsz+sizeof(long));
79dd77de 2950 ret = get_errno(msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
1c54ff97 2951
579a97f7
FB		 2952 if (ret > 0) {
2953 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2954 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2955 if (!target_mtext) {
2956 ret = -TARGET_EFAULT;
2957 goto end;
2958 }
1c54ff97 2959 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2960 unlock_user(target_mtext, target_mtext_addr, ret);
2961 }
1c54ff97 2962
cbb21eed 2963 target_mb->mtype = tswapal(host_mb->mtype);
1bc012f6 2964
579a97f7
FB		 2965end:
2966 if (target_mb)
2967 unlock_user_struct(target_mb, msgp, 1);
0d07fe47 2968 g_free(host_mb);
1bc012f6
TS		 2969 return ret;
2970}
2971
88a8c984
RV		 2972static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2973 abi_ulong target_addr)
2974{
2975 struct target_shmid_ds *target_sd;
2976
2977 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2978 return -TARGET_EFAULT;
2979 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2980 return -TARGET_EFAULT;
2981 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2982 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2983 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2984 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2985 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2986 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2987 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2988 unlock_user_struct(target_sd, target_addr, 0);
2989 return 0;
2990}
2991
2992static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2993 struct shmid_ds *host_sd)
2994{
2995 struct target_shmid_ds *target_sd;
2996
2997 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2998 return -TARGET_EFAULT;
2999 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
3000 return -TARGET_EFAULT;
3001 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
3002 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
3003 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
3004 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
3005 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
3006 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
3007 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
3008 unlock_user_struct(target_sd, target_addr, 1);
3009 return 0;
3010}
3011
3012struct target_shminfo {
3013 abi_ulong shmmax;
3014 abi_ulong shmmin;
3015 abi_ulong shmmni;
3016 abi_ulong shmseg;
3017 abi_ulong shmall;
3018};
3019
3020static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
3021 struct shminfo *host_shminfo)
3022{
3023 struct target_shminfo *target_shminfo;
3024 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
3025 return -TARGET_EFAULT;
3026 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
3027 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
3028 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
3029 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
3030 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
3031 unlock_user_struct(target_shminfo, target_addr, 1);
3032 return 0;
3033}
3034
3035struct target_shm_info {
3036 int used_ids;
3037 abi_ulong shm_tot;
3038 abi_ulong shm_rss;
3039 abi_ulong shm_swp;
3040 abi_ulong swap_attempts;
3041 abi_ulong swap_successes;
3042};
3043
3044static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
3045 struct shm_info *host_shm_info)
3046{
3047 struct target_shm_info *target_shm_info;
3048 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
3049 return -TARGET_EFAULT;
3050 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
3051 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
3052 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
3053 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
3054 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
3055 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
3056 unlock_user_struct(target_shm_info, target_addr, 1);
3057 return 0;
3058}
3059
3060static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
3061{
3062 struct shmid_ds dsarg;
3063 struct shminfo shminfo;
3064 struct shm_info shm_info;
3065 abi_long ret = -TARGET_EINVAL;
3066
3067 cmd &= 0xff;
3068
3069 switch(cmd) {
3070 case IPC_STAT:
3071 case IPC_SET:
3072 case SHM_STAT:
3073 if (target_to_host_shmid_ds(&dsarg, buf))
3074 return -TARGET_EFAULT;
3075 ret = get_errno(shmctl(shmid, cmd, &dsarg));
3076 if (host_to_target_shmid_ds(buf, &dsarg))
3077 return -TARGET_EFAULT;
3078 break;
3079 case IPC_INFO:
3080 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
3081 if (host_to_target_shminfo(buf, &shminfo))
3082 return -TARGET_EFAULT;
3083 break;
3084 case SHM_INFO:
3085 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
3086 if (host_to_target_shm_info(buf, &shm_info))
3087 return -TARGET_EFAULT;
3088 break;
3089 case IPC_RMID:
3090 case SHM_LOCK:
3091 case SHM_UNLOCK:
3092 ret = get_errno(shmctl(shmid, cmd, NULL));
3093 break;
3094 }
3095
3096 return ret;
3097}
3098
3099static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
3100{
3101 abi_long raddr;
3102 void *host_raddr;
3103 struct shmid_ds shm_info;
3104 int i,ret;
3105
3106 /* find out the length of the shared memory segment */
3107 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
3108 if (is_error(ret)) {
3109 /* can't get length, bail out */
3110 return ret;
3111 }
3112
3113 mmap_lock();
3114
3115 if (shmaddr)
3116 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
3117 else {
3118 abi_ulong mmap_start;
3119
3120 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
3121
3122 if (mmap_start == -1) {
3123 errno = ENOMEM;
3124 host_raddr = (void *)-1;
3125 } else
3126 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
3127 }
3128
3129 if (host_raddr == (void *)-1) {
3130 mmap_unlock();
3131 return get_errno((long)host_raddr);
3132 }
3133 raddr=h2g((unsigned long)host_raddr);
3134
3135 page_set_flags(raddr, raddr + shm_info.shm_segsz,
3136 PAGE_VALID | PAGE_READ |
3137 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
3138
3139 for (i = 0; i < N_SHM_REGIONS; i++) {
3140 if (shm_regions[i].start == 0) {
3141 shm_regions[i].start = raddr;
3142 shm_regions[i].size = shm_info.shm_segsz;
3143 break;
3144 }
3145 }
3146
3147 mmap_unlock();
3148 return raddr;
3149
3150}
3151
3152static inline abi_long do_shmdt(abi_ulong shmaddr)
3153{
3154 int i;
3155
3156 for (i = 0; i < N_SHM_REGIONS; ++i) {
3157 if (shm_regions[i].start == shmaddr) {
3158 shm_regions[i].start = 0;
e00ac249 3159 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 3160 break;
3161 }
3162 }
3163
3164 return get_errno(shmdt(g2h(shmaddr)));
3165}
3166
1c54ff97 3167#ifdef TARGET_NR_ipc
53a5960a 3168/* ??? This only works with linear mappings. */
0da46a6e 3169/* do_ipc() must return target values and target errnos. */
37ed0956
TM		 3170static abi_long do_ipc(unsigned int call, abi_long first,
3171 abi_long second, abi_long third,
992f48a0 3172 abi_long ptr, abi_long fifth)
8853f86e
FB		 3173{
3174 int version;
992f48a0 3175 abi_long ret = 0;
8853f86e
FB		 3176
3177 version = call >> 16;
3178 call &= 0xffff;
3179
3180 switch (call) {
fa294816 3181 case IPCOP_semop:
e5289087 3182 ret = do_semop(first, ptr, second);
fa294816
TS		 3183 break;
3184
3185 case IPCOP_semget:
3186 ret = get_errno(semget(first, second, third));
3187 break;
3188
5d2fa8eb
TM		 3189 case IPCOP_semctl: {
3190 /* The semun argument to semctl is passed by value, so dereference the
3191 * ptr argument. */
3192 abi_ulong atptr;
37ed0956 3193 get_user_ual(atptr, ptr);
5d2fa8eb 3194 ret = do_semctl(first, second, third,
37ed0956 3195 (union target_semun) atptr);
fa294816 3196 break;
5d2fa8eb 3197 }
d96372ef 3198
1c54ff97
AJ		 3199 case IPCOP_msgget:
3200 ret = get_errno(msgget(first, second));
3201 break;
d96372ef 3202
1c54ff97
AJ		 3203 case IPCOP_msgsnd:
3204 ret = do_msgsnd(first, ptr, second, third);
3205 break;
d96372ef 3206
1c54ff97
AJ		 3207 case IPCOP_msgctl:
3208 ret = do_msgctl(first, second, ptr);
3209 break;
d96372ef 3210
1c54ff97
AJ		 3211 case IPCOP_msgrcv:
3212 switch (version) {
3213 case 0:
3214 {
3215 struct target_ipc_kludge {
3216 abi_long msgp;
3217 abi_long msgtyp;
3218 } *tmp;
3219
3220 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
3221 ret = -TARGET_EFAULT;
3222 break;
3223 }
d96372ef 3224
79dd77de 3225 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
d96372ef 3226
1c54ff97
AJ		 3227 unlock_user_struct(tmp, ptr, 0);
3228 break;
3229 }
3230 default:
3231 ret = do_msgrcv(first, ptr, second, fifth, third);
3232 }
3233 break;
d96372ef 3234
8853f86e 3235 case IPCOP_shmat:
88a8c984
RV		 3236 switch (version) {
3237 default:
5a4a898d
FB		 3238 {
3239 abi_ulong raddr;
88a8c984
RV		 3240 raddr = do_shmat(first, ptr, second);
3241 if (is_error(raddr))
3242 return get_errno(raddr);
2f619698 3243 if (put_user_ual(raddr, third))
5a4a898d 3244 return -TARGET_EFAULT;
88a8c984
RV		 3245 break;
3246 }
3247 case 1:
3248 ret = -TARGET_EINVAL;
3249 break;
5a4a898d 3250 }
8853f86e
FB		 3251 break;
3252 case IPCOP_shmdt:
88a8c984 3253 ret = do_shmdt(ptr);
8853f86e
FB		 3254 break;
3255
3256 case IPCOP_shmget:
3257 /* IPC_* flag values are the same on all linux platforms */
3258 ret = get_errno(shmget(first, second, third));
3259 break;
3260
3261 /* IPC_* and SHM_* command values are the same on all linux platforms */
3262 case IPCOP_shmctl:
a2926784 3263 ret = do_shmctl(first, second, ptr);
8853f86e
FB		 3264 break;
3265 default:
32407103 3266 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 3267 ret = -TARGET_ENOSYS;
8853f86e
FB		 3268 break;
3269 }
3270 return ret;
3271}
32407103 3272#endif
8853f86e 3273
31e31b8a 3274/* kernel structure types definitions */
31e31b8a 3275
001faf32 3276#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 3277#define STRUCT_SPECIAL(name) STRUCT_ ## name,
3278enum {
3279#include "syscall_types.h"
3280};
3281#undef STRUCT
3282#undef STRUCT_SPECIAL
3283
001faf32 3284#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 3285#define STRUCT_SPECIAL(name)
3286#include "syscall_types.h"
3287#undef STRUCT
3288#undef STRUCT_SPECIAL
3289
d2ef05bb
PM		 3290typedef struct IOCTLEntry IOCTLEntry;
3291
3292typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
3293 int fd, abi_long cmd, abi_long arg);
3294
3295struct IOCTLEntry {
9c6bf9c7 3296 int target_cmd;
2ab83ea7 3297 unsigned int host_cmd;
31e31b8a
FB		 3298 const char *name;
3299 int access;
d2ef05bb 3300 do_ioctl_fn *do_ioctl;
1a9353d2 3301 const argtype arg_type[5];
d2ef05bb 3302};
31e31b8a
FB		 3303
3304#define IOC_R 0x0001
3305#define IOC_W 0x0002
3306#define IOC_RW (IOC_R | IOC_W)
3307
3308#define MAX_STRUCT_SIZE 4096
3309
dace20dc 3310#ifdef CONFIG_FIEMAP
285da2b9
PM		 3311/* So fiemap access checks don't overflow on 32 bit systems.
3312 * This is very slightly smaller than the limit imposed by
3313 * the underlying kernel.
3314 */
3315#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3316 / sizeof(struct fiemap_extent))
3317
3318static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
3319 int fd, abi_long cmd, abi_long arg)
3320{
3321 /* The parameter for this ioctl is a struct fiemap followed
3322 * by an array of struct fiemap_extent whose size is set
3323 * in fiemap->fm_extent_count. The array is filled in by the
3324 * ioctl.
3325 */
3326 int target_size_in, target_size_out;
3327 struct fiemap *fm;
3328 const argtype *arg_type = ie->arg_type;
3329 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3330 void *argptr, *p;
3331 abi_long ret;
3332 int i, extent_size = thunk_type_size(extent_arg_type, 0);
3333 uint32_t outbufsz;
3334 int free_fm = 0;
3335
3336 assert(arg_type[0] == TYPE_PTR);
3337 assert(ie->access == IOC_RW);
3338 arg_type++;
3339 target_size_in = thunk_type_size(arg_type, 0);
3340 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3341 if (!argptr) {
3342 return -TARGET_EFAULT;
3343 }
3344 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3345 unlock_user(argptr, arg, 0);
3346 fm = (struct fiemap *)buf_temp;
3347 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3348 return -TARGET_EINVAL;
3349 }
3350
3351 outbufsz = sizeof (*fm) +
3352 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3353
3354 if (outbufsz > MAX_STRUCT_SIZE) {
3355 /* We can't fit all the extents into the fixed size buffer.
3356 * Allocate one that is large enough and use it instead.
3357 */
3358 fm = malloc(outbufsz);
3359 if (!fm) {
3360 return -TARGET_ENOMEM;
3361 }
3362 memcpy(fm, buf_temp, sizeof(struct fiemap));
3363 free_fm = 1;
3364 }
3365 ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3366 if (!is_error(ret)) {
3367 target_size_out = target_size_in;
3368 /* An extent_count of 0 means we were only counting the extents
3369 * so there are no structs to copy
3370 */
3371 if (fm->fm_extent_count != 0) {
3372 target_size_out += fm->fm_mapped_extents * extent_size;
3373 }
3374 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3375 if (!argptr) {
3376 ret = -TARGET_EFAULT;
3377 } else {
3378 /* Convert the struct fiemap */
3379 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3380 if (fm->fm_extent_count != 0) {
3381 p = argptr + target_size_in;
3382 /* ...and then all the struct fiemap_extents */
3383 for (i = 0; i < fm->fm_mapped_extents; i++) {
3384 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3385 THUNK_TARGET);
3386 p += extent_size;
3387 }
3388 }
3389 unlock_user(argptr, arg, target_size_out);
3390 }
3391 }
3392 if (free_fm) {
3393 free(fm);
3394 }
3395 return ret;
3396}
dace20dc 3397#endif
285da2b9 3398
059c2f2c
LV		 3399static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
3400 int fd, abi_long cmd, abi_long arg)
3401{
3402 const argtype *arg_type = ie->arg_type;
3403 int target_size;
3404 void *argptr;
3405 int ret;
3406 struct ifconf *host_ifconf;
3407 uint32_t outbufsz;
3408 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
3409 int target_ifreq_size;
3410 int nb_ifreq;
3411 int free_buf = 0;
3412 int i;
3413 int target_ifc_len;
3414 abi_long target_ifc_buf;
3415 int host_ifc_len;
3416 char *host_ifc_buf;
3417
3418 assert(arg_type[0] == TYPE_PTR);
3419 assert(ie->access == IOC_RW);
3420
3421 arg_type++;
3422 target_size = thunk_type_size(arg_type, 0);
3423
3424 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3425 if (!argptr)
3426 return -TARGET_EFAULT;
3427 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3428 unlock_user(argptr, arg, 0);
3429
3430 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
3431 target_ifc_len = host_ifconf->ifc_len;
3432 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
3433
3434 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
3435 nb_ifreq = target_ifc_len / target_ifreq_size;
3436 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
3437
3438 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
3439 if (outbufsz > MAX_STRUCT_SIZE) {
3440 /* We can't fit all the extents into the fixed size buffer.
3441 * Allocate one that is large enough and use it instead.
3442 */
3443 host_ifconf = malloc(outbufsz);
3444 if (!host_ifconf) {
3445 return -TARGET_ENOMEM;
3446 }
3447 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
3448 free_buf = 1;
3449 }
3450 host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
3451
3452 host_ifconf->ifc_len = host_ifc_len;
3453 host_ifconf->ifc_buf = host_ifc_buf;
3454
3455 ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
3456 if (!is_error(ret)) {
3457 /* convert host ifc_len to target ifc_len */
3458
3459 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
3460 target_ifc_len = nb_ifreq * target_ifreq_size;
3461 host_ifconf->ifc_len = target_ifc_len;
3462
3463 /* restore target ifc_buf */
3464
3465 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
3466
3467 /* copy struct ifconf to target user */
3468
3469 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3470 if (!argptr)
3471 return -TARGET_EFAULT;
3472 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
3473 unlock_user(argptr, arg, target_size);
3474
3475 /* copy ifreq[] to target user */
3476
3477 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
3478 for (i = 0; i < nb_ifreq ; i++) {
3479 thunk_convert(argptr + i * target_ifreq_size,
3480 host_ifc_buf + i * sizeof(struct ifreq),
3481 ifreq_arg_type, THUNK_TARGET);
3482 }
3483 unlock_user(argptr, target_ifc_buf, target_ifc_len);
3484 }
3485
3486 if (free_buf) {
3487 free(host_ifconf);
3488 }
3489
3490 return ret;
3491}
3492
56e904ec
AG		 3493static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
3494 abi_long cmd, abi_long arg)
3495{
3496 void *argptr;
3497 struct dm_ioctl *host_dm;
3498 abi_long guest_data;
3499 uint32_t guest_data_size;
3500 int target_size;
3501 const argtype *arg_type = ie->arg_type;
3502 abi_long ret;
3503 void *big_buf = NULL;
3504 char *host_data;
3505
3506 arg_type++;
3507 target_size = thunk_type_size(arg_type, 0);
3508 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3509 if (!argptr) {
3510 ret = -TARGET_EFAULT;
3511 goto out;
3512 }
3513 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3514 unlock_user(argptr, arg, 0);
3515
3516 /* buf_temp is too small, so fetch things into a bigger buffer */
3517 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
3518 memcpy(big_buf, buf_temp, target_size);
3519 buf_temp = big_buf;
3520 host_dm = big_buf;
3521
3522 guest_data = arg + host_dm->data_start;
3523 if ((guest_data - arg) < 0) {
3524 ret = -EINVAL;
3525 goto out;
3526 }
3527 guest_data_size = host_dm->data_size - host_dm->data_start;
3528 host_data = (char*)host_dm + host_dm->data_start;
3529
3530 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
3531 switch (ie->host_cmd) {
3532 case DM_REMOVE_ALL:
3533 case DM_LIST_DEVICES:
3534 case DM_DEV_CREATE:
3535 case DM_DEV_REMOVE:
3536 case DM_DEV_SUSPEND:
3537 case DM_DEV_STATUS:
3538 case DM_DEV_WAIT:
3539 case DM_TABLE_STATUS:
3540 case DM_TABLE_CLEAR:
3541 case DM_TABLE_DEPS:
3542 case DM_LIST_VERSIONS:
3543 /* no input data */
3544 break;
3545 case DM_DEV_RENAME:
3546 case DM_DEV_SET_GEOMETRY:
3547 /* data contains only strings */
3548 memcpy(host_data, argptr, guest_data_size);
3549 break;
3550 case DM_TARGET_MSG:
3551 memcpy(host_data, argptr, guest_data_size);
3552 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
3553 break;
3554 case DM_TABLE_LOAD:
3555 {
3556 void *gspec = argptr;
3557 void *cur_data = host_data;
3558 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3559 int spec_size = thunk_type_size(arg_type, 0);
3560 int i;
3561
3562 for (i = 0; i < host_dm->target_count; i++) {
3563 struct dm_target_spec *spec = cur_data;
3564 uint32_t next;
3565 int slen;
3566
3567 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
3568 slen = strlen((char*)gspec + spec_size) + 1;
3569 next = spec->next;
3570 spec->next = sizeof(*spec) + slen;
3571 strcpy((char*)&spec[1], gspec + spec_size);
3572 gspec += next;
3573 cur_data += spec->next;
3574 }
3575 break;
3576 }
3577 default:
3578 ret = -TARGET_EINVAL;
dec0473d 3579 unlock_user(argptr, guest_data, 0);
56e904ec
AG		 3580 goto out;
3581 }
3582 unlock_user(argptr, guest_data, 0);
3583
3584 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3585 if (!is_error(ret)) {
3586 guest_data = arg + host_dm->data_start;
3587 guest_data_size = host_dm->data_size - host_dm->data_start;
3588 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
3589 switch (ie->host_cmd) {
3590 case DM_REMOVE_ALL:
3591 case DM_DEV_CREATE:
3592 case DM_DEV_REMOVE:
3593 case DM_DEV_RENAME:
3594 case DM_DEV_SUSPEND:
3595 case DM_DEV_STATUS:
3596 case DM_TABLE_LOAD:
3597 case DM_TABLE_CLEAR:
3598 case DM_TARGET_MSG:
3599 case DM_DEV_SET_GEOMETRY:
3600 /* no return data */
3601 break;
3602 case DM_LIST_DEVICES:
3603 {
3604 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
3605 uint32_t remaining_data = guest_data_size;
3606 void *cur_data = argptr;
3607 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
3608 int nl_size = 12; /* can't use thunk_size due to alignment */
3609
3610 while (1) {
3611 uint32_t next = nl->next;
3612 if (next) {
3613 nl->next = nl_size + (strlen(nl->name) + 1);
3614 }
3615 if (remaining_data < nl->next) {
3616 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3617 break;
3618 }
3619 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
3620 strcpy(cur_data + nl_size, nl->name);
3621 cur_data += nl->next;
3622 remaining_data -= nl->next;
3623 if (!next) {
3624 break;
3625 }
3626 nl = (void*)nl + next;
3627 }
3628 break;
3629 }
3630 case DM_DEV_WAIT:
3631 case DM_TABLE_STATUS:
3632 {
3633 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
3634 void *cur_data = argptr;
3635 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3636 int spec_size = thunk_type_size(arg_type, 0);
3637 int i;
3638
3639 for (i = 0; i < host_dm->target_count; i++) {
3640 uint32_t next = spec->next;
3641 int slen = strlen((char*)&spec[1]) + 1;
3642 spec->next = (cur_data - argptr) + spec_size + slen;
3643 if (guest_data_size < spec->next) {
3644 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3645 break;
3646 }
3647 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
3648 strcpy(cur_data + spec_size, (char*)&spec[1]);
3649 cur_data = argptr + spec->next;
3650 spec = (void*)host_dm + host_dm->data_start + next;
3651 }
3652 break;
3653 }
3654 case DM_TABLE_DEPS:
3655 {
3656 void *hdata = (void*)host_dm + host_dm->data_start;
3657 int count = *(uint32_t*)hdata;
3658 uint64_t *hdev = hdata + 8;
3659 uint64_t *gdev = argptr + 8;
3660 int i;
3661
3662 *(uint32_t*)argptr = tswap32(count);
3663 for (i = 0; i < count; i++) {
3664 *gdev = tswap64(*hdev);
3665 gdev++;
3666 hdev++;
3667 }
3668 break;
3669 }
3670 case DM_LIST_VERSIONS:
3671 {
3672 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
3673 uint32_t remaining_data = guest_data_size;
3674 void *cur_data = argptr;
3675 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
3676 int vers_size = thunk_type_size(arg_type, 0);
3677
3678 while (1) {
3679 uint32_t next = vers->next;
3680 if (next) {
3681 vers->next = vers_size + (strlen(vers->name) + 1);
3682 }
3683 if (remaining_data < vers->next) {
3684 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3685 break;
3686 }
3687 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
3688 strcpy(cur_data + vers_size, vers->name);
3689 cur_data += vers->next;
3690 remaining_data -= vers->next;
3691 if (!next) {
3692 break;
3693 }
3694 vers = (void*)vers + next;
3695 }
3696 break;
3697 }
3698 default:
dec0473d 3699 unlock_user(argptr, guest_data, 0);
56e904ec
AG		 3700 ret = -TARGET_EINVAL;
3701 goto out;
3702 }
3703 unlock_user(argptr, guest_data, guest_data_size);
3704
3705 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3706 if (!argptr) {
3707 ret = -TARGET_EFAULT;
3708 goto out;
3709 }
3710 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3711 unlock_user(argptr, arg, target_size);
3712 }
3713out:
ad11ad77 3714 g_free(big_buf);
56e904ec
AG		 3715 return ret;
3716}
3717
a59b5e35
AG		 3718static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
3719 abi_long cmd, abi_long arg)
3720{
3721 void *argptr;
3722 int target_size;
3723 const argtype *arg_type = ie->arg_type;
3724 const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) };
3725 abi_long ret;
3726
3727 struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp;
3728 struct blkpg_partition host_part;
3729
3730 /* Read and convert blkpg */
3731 arg_type++;
3732 target_size = thunk_type_size(arg_type, 0);
3733 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3734 if (!argptr) {
3735 ret = -TARGET_EFAULT;
3736 goto out;
3737 }
3738 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3739 unlock_user(argptr, arg, 0);
3740
3741 switch (host_blkpg->op) {
3742 case BLKPG_ADD_PARTITION:
3743 case BLKPG_DEL_PARTITION:
3744 /* payload is struct blkpg_partition */
3745 break;
3746 default:
3747 /* Unknown opcode */
3748 ret = -TARGET_EINVAL;
3749 goto out;
3750 }
3751
3752 /* Read and convert blkpg->data */
3753 arg = (abi_long)(uintptr_t)host_blkpg->data;
3754 target_size = thunk_type_size(part_arg_type, 0);
3755 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3756 if (!argptr) {
3757 ret = -TARGET_EFAULT;
3758 goto out;
3759 }
3760 thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST);
3761 unlock_user(argptr, arg, 0);
3762
3763 /* Swizzle the data pointer to our local copy and call! */
3764 host_blkpg->data = &host_part;
3765 ret = get_errno(ioctl(fd, ie->host_cmd, host_blkpg));
3766
3767out:
3768 return ret;
3769}
3770
7ff7b666
LV		 3771static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
3772 int fd, abi_long cmd, abi_long arg)
3773{
3774 const argtype *arg_type = ie->arg_type;
3775 const StructEntry *se;
3776 const argtype *field_types;
3777 const int *dst_offsets, *src_offsets;
3778 int target_size;
3779 void *argptr;
3780 abi_ulong *target_rt_dev_ptr;
3781 unsigned long *host_rt_dev_ptr;
3782 abi_long ret;
3783 int i;
3784
3785 assert(ie->access == IOC_W);
3786 assert(*arg_type == TYPE_PTR);
3787 arg_type++;
3788 assert(*arg_type == TYPE_STRUCT);
3789 target_size = thunk_type_size(arg_type, 0);
3790 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3791 if (!argptr) {
3792 return -TARGET_EFAULT;
3793 }
3794 arg_type++;
3795 assert(*arg_type == (int)STRUCT_rtentry);
3796 se = struct_entries + *arg_type++;
3797 assert(se->convert[0] == NULL);
3798 /* convert struct here to be able to catch rt_dev string */
3799 field_types = se->field_types;
3800 dst_offsets = se->field_offsets[THUNK_HOST];
3801 src_offsets = se->field_offsets[THUNK_TARGET];
3802 for (i = 0; i < se->nb_fields; i++) {
3803 if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
3804 assert(*field_types == TYPE_PTRVOID);
3805 target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
3806 host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
3807 if (*target_rt_dev_ptr != 0) {
3808 *host_rt_dev_ptr = (unsigned long)lock_user_string(
3809 tswapal(*target_rt_dev_ptr));
3810 if (!*host_rt_dev_ptr) {
3811 unlock_user(argptr, arg, 0);
3812 return -TARGET_EFAULT;
3813 }
3814 } else {
3815 *host_rt_dev_ptr = 0;
3816 }
3817 field_types++;
3818 continue;
3819 }
3820 field_types = thunk_convert(buf_temp + dst_offsets[i],
3821 argptr + src_offsets[i],
3822 field_types, THUNK_HOST);
3823 }
3824 unlock_user(argptr, arg, 0);
3825
3826 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3827 if (*host_rt_dev_ptr != 0) {
3828 unlock_user((void *)*host_rt_dev_ptr,
3829 *target_rt_dev_ptr, 0);
3830 }
3831 return ret;
3832}
3833
ca56f5b5
PB		 3834static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp,
3835 int fd, abi_long cmd, abi_long arg)
3836{
3837 int sig = target_to_host_signal(arg);
3838 return get_errno(ioctl(fd, ie->host_cmd, sig));
3839}
3840
9f106a75 3841static IOCTLEntry ioctl_entries[] = {
001faf32 3842#define IOCTL(cmd, access, ...) \
d2ef05bb
PM		 3843 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3844#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3845 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
31e31b8a
FB		 3846#include "ioctls.h"
3847 { 0, 0, },
3848};
3849
53a5960a 3850/* ??? Implement proper locking for ioctls. */
0da46a6e 3851/* do_ioctl() Must return target values and target errnos. */
992f48a0 3852static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 3853{
3854 const IOCTLEntry *ie;
3855 const argtype *arg_type;
992f48a0 3856 abi_long ret;
31e31b8a 3857 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 3858 int target_size;
3859 void *argptr;
31e31b8a
FB		 3860
3861 ie = ioctl_entries;
3862 for(;;) {
3863 if (ie->target_cmd == 0) {
32407103 3864 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 3865 return -TARGET_ENOSYS;
31e31b8a
FB		 3866 }
3867 if (ie->target_cmd == cmd)
3868 break;
3869 ie++;
3870 }
3871 arg_type = ie->arg_type;
9de5e440 3872#if defined(DEBUG)
32407103 3873 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 3874#endif
d2ef05bb
PM		 3875 if (ie->do_ioctl) {
3876 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3877 }
3878
31e31b8a
FB		 3879 switch(arg_type[0]) {
3880 case TYPE_NULL:
3881 /* no argument */
3882 ret = get_errno(ioctl(fd, ie->host_cmd));
3883 break;
3884 case TYPE_PTRVOID:
3885 case TYPE_INT:
3886 /* int argment */
3887 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3888 break;
3889 case TYPE_PTR:
3890 arg_type++;
53a5960a 3891 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 3892 switch(ie->access) {
3893 case IOC_R:
3894 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3895 if (!is_error(ret)) {
579a97f7
FB		 3896 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3897 if (!argptr)
3898 return -TARGET_EFAULT;
53a5960a
PB		 3899 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3900 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3901 }
3902 break;
3903 case IOC_W:
579a97f7
FB		 3904 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3905 if (!argptr)
3906 return -TARGET_EFAULT;
53a5960a
PB		 3907 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3908 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3909 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3910 break;
3911 default:
3912 case IOC_RW:
579a97f7
FB		 3913 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3914 if (!argptr)
3915 return -TARGET_EFAULT;
53a5960a
PB		 3916 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3917 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3918 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3919 if (!is_error(ret)) {
579a97f7
FB		 3920 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3921 if (!argptr)
3922 return -TARGET_EFAULT;
53a5960a
PB		 3923 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3924 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3925 }
3926 break;
3927 }
3928 break;
3929 default:
32407103
JM		 3930 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3931 (long)cmd, arg_type[0]);
0da46a6e 3932 ret = -TARGET_ENOSYS;
31e31b8a
FB		 3933 break;
3934 }
3935 return ret;
3936}
3937
b39bc503 3938static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 3939 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3940 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3941 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3942 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3943 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3944 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3945 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3946 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3947 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3948 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3949 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3950 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3951 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3952 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3953 { 0, 0, 0, 0 }
3954};
3955
b39bc503 3956static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3957 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3958 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3959 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3960 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3961 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3962 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3963 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3964 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3965 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3966 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3967 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3968 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3969 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3970 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3971 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3972 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3973 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3974 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3975 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3976 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3977 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3978 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3979 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3980 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3981 { 0, 0, 0, 0 }
3982};
3983
b39bc503 3984static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3985 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3986 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3987 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3988 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3989 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3990 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3991 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3992 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3993 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3994 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3995 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3996 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3997 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3998 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3999 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
4000 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
4001 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
4002 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
4003 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
4004 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
4005 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
4006 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
4007 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
4008 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
4009 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
4010 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
4011 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
4012 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
4013 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
4014 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
4015 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
4016 { 0, 0, 0, 0 }
4017};
4018
b39bc503 4019static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 4020 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
4021 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
4022 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
4023 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
4024 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
4025 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
4026 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
4027 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
4028 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
4029 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
4030 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
4031 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
4032 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
4033 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
4034 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
4035 { 0, 0, 0, 0 }
4036};
4037
4038static void target_to_host_termios (void *dst, const void *src)
4039{
4040 struct host_termios *host = dst;
4041 const struct target_termios *target = src;
3b46e624 4042
5fafdf24 4043 host->c_iflag =
31e31b8a 4044 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 4045 host->c_oflag =
31e31b8a 4046 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 4047 host->c_cflag =
31e31b8a 4048 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 4049 host->c_lflag =
31e31b8a
FB		 4050 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
4051 host->c_line = target->c_line;
3b46e624 4052
44607123 4053 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 4054 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
4055 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 4056 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 4057 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 4058 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 4059 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 4060 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 4061 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 4062 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 4063 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
4064 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 4065 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
4066 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
4067 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
4068 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
4069 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 4070 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 4071}
3b46e624 4072
31e31b8a
FB		 4073static void host_to_target_termios (void *dst, const void *src)
4074{
4075 struct target_termios *target = dst;
4076 const struct host_termios *host = src;
4077
5fafdf24 4078 target->c_iflag =
31e31b8a 4079 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 4080 target->c_oflag =
31e31b8a 4081 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 4082 target->c_cflag =
31e31b8a 4083 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 4084 target->c_lflag =
31e31b8a
FB		 4085 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
4086 target->c_line = host->c_line;
3b46e624 4087
44607123 4088 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 4089 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
4090 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
4091 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
4092 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
4093 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
4094 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
4095 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
4096 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
4097 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
4098 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
4099 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
4100 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
4101 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
4102 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
4103 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
4104 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
4105 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
4106}
4107
8e853dc7 4108static const StructEntry struct_termios_def = {
31e31b8a
FB		 4109 .convert = { host_to_target_termios, target_to_host_termios },
4110 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
4111 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
4112};
4113
5286db75
FB		 4114static bitmask_transtbl mmap_flags_tbl[] = {
4115 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
4116 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
4117 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
4118 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
4119 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
4120 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
4121 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
4122 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
e8efd8e7
CL		 4123 { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, MAP_NORESERVE,
4124 MAP_NORESERVE },
5286db75
FB		 4125 { 0, 0, 0, 0 }
4126};
4127
2ab83ea7 4128#if defined(TARGET_I386)
6dbad63e
FB		 4129
4130/* NOTE: there is really one LDT for all the threads */
b1d8e52e 4131static uint8_t *ldt_table;
6dbad63e 4132
03acab66 4133static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 4134{
4135 int size;
53a5960a 4136 void *p;
6dbad63e
FB		 4137
4138 if (!ldt_table)
4139 return 0;
4140 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
4141 if (size > bytecount)
4142 size = bytecount;
579a97f7
FB		 4143 p = lock_user(VERIFY_WRITE, ptr, size, 0);
4144 if (!p)
03acab66 4145 return -TARGET_EFAULT;
579a97f7 4146 /* ??? Should this by byteswapped? */
53a5960a
PB		 4147 memcpy(p, ldt_table, size);
4148 unlock_user(p, ptr, size);
6dbad63e
FB		 4149 return size;
4150}
4151
4152/* XXX: add locking support */
03acab66
FB		 4153static abi_long write_ldt(CPUX86State *env,
4154 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 4155{
4156 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 4157 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 4158 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 4159 int seg_not_present, useable, lm;
6dbad63e
FB		 4160 uint32_t *lp, entry_1, entry_2;
4161
4162 if (bytecount != sizeof(ldt_info))
03acab66 4163 return -TARGET_EINVAL;
579a97f7 4164 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 4165 return -TARGET_EFAULT;
53a5960a 4166 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4167 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
53a5960a
PB		 4168 ldt_info.limit = tswap32(target_ldt_info->limit);
4169 ldt_info.flags = tswap32(target_ldt_info->flags);
4170 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 4171
6dbad63e 4172 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 4173 return -TARGET_EINVAL;
6dbad63e
FB		 4174 seg_32bit = ldt_info.flags & 1;
4175 contents = (ldt_info.flags >> 1) & 3;
4176 read_exec_only = (ldt_info.flags >> 3) & 1;
4177 limit_in_pages = (ldt_info.flags >> 4) & 1;
4178 seg_not_present = (ldt_info.flags >> 5) & 1;
4179 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 4180#ifdef TARGET_ABI32
4181 lm = 0;
4182#else
4183 lm = (ldt_info.flags >> 7) & 1;
4184#endif
6dbad63e
FB		 4185 if (contents == 3) {
4186 if (oldmode)
03acab66 4187 return -TARGET_EINVAL;
6dbad63e 4188 if (seg_not_present == 0)
03acab66 4189 return -TARGET_EINVAL;
6dbad63e
FB		 4190 }
4191 /* allocate the LDT */
4192 if (!ldt_table) {
e441570f
AZ		 4193 env->ldt.base = target_mmap(0,
4194 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
4195 PROT_READ|PROT_WRITE,
4196 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
4197 if (env->ldt.base == -1)
03acab66 4198 return -TARGET_ENOMEM;
e441570f
AZ		 4199 memset(g2h(env->ldt.base), 0,
4200 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 4201 env->ldt.limit = 0xffff;
e441570f 4202 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 4203 }
4204
4205 /* NOTE: same code as Linux kernel */
4206 /* Allow LDTs to be cleared by the user. */
4207 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4208 if (oldmode ||
4209 (contents == 0 &&
4210 read_exec_only == 1 &&
4211 seg_32bit == 0 &&
4212 limit_in_pages == 0 &&
4213 seg_not_present == 1 &&
4214 useable == 0 )) {
4215 entry_1 = 0;
4216 entry_2 = 0;
4217 goto install;
4218 }
4219 }
3b46e624 4220
6dbad63e
FB		 4221 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4222 (ldt_info.limit & 0x0ffff);
4223 entry_2 = (ldt_info.base_addr & 0xff000000) |
4224 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4225 (ldt_info.limit & 0xf0000) |
4226 ((read_exec_only ^ 1) << 9) |
4227 (contents << 10) |
4228 ((seg_not_present ^ 1) << 15) |
4229 (seg_32bit << 22) |
4230 (limit_in_pages << 23) |
8d18e893 4231 (lm << 21) |
6dbad63e
FB		 4232 0x7000;
4233 if (!oldmode)
4234 entry_2 |= (useable << 20);
14ae3ba7 4235
6dbad63e
FB		 4236 /* Install the new entry ... */
4237install:
4238 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
4239 lp[0] = tswap32(entry_1);
4240 lp[1] = tswap32(entry_2);
4241 return 0;
4242}
4243
4244/* specific and weird i386 syscalls */
8fcd3692
BS		 4245static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
4246 unsigned long bytecount)
6dbad63e 4247{
03acab66 4248 abi_long ret;
3b46e624 4249
6dbad63e
FB		 4250 switch (func) {
4251 case 0:
4252 ret = read_ldt(ptr, bytecount);
4253 break;
4254 case 1:
4255 ret = write_ldt(env, ptr, bytecount, 1);
4256 break;
4257 case 0x11:
4258 ret = write_ldt(env, ptr, bytecount, 0);
4259 break;
03acab66
FB		 4260 default:
4261 ret = -TARGET_ENOSYS;
4262 break;
6dbad63e
FB		 4263 }
4264 return ret;
4265}
1b6b029e 4266
4583f589 4267#if defined(TARGET_I386) && defined(TARGET_ABI32)
bc22eb44 4268abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4269{
4270 uint64_t *gdt_table = g2h(env->gdt.base);
4271 struct target_modify_ldt_ldt_s ldt_info;
4272 struct target_modify_ldt_ldt_s *target_ldt_info;
4273 int seg_32bit, contents, read_exec_only, limit_in_pages;
4274 int seg_not_present, useable, lm;
4275 uint32_t *lp, entry_1, entry_2;
4276 int i;
4277
4278 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4279 if (!target_ldt_info)
4280 return -TARGET_EFAULT;
4281 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4282 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
8d18e893
FB		 4283 ldt_info.limit = tswap32(target_ldt_info->limit);
4284 ldt_info.flags = tswap32(target_ldt_info->flags);
4285 if (ldt_info.entry_number == -1) {
4286 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
4287 if (gdt_table[i] == 0) {
4288 ldt_info.entry_number = i;
4289 target_ldt_info->entry_number = tswap32(i);
4290 break;
4291 }
4292 }
4293 }
4294 unlock_user_struct(target_ldt_info, ptr, 1);
4295
4296 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
4297 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
4298 return -TARGET_EINVAL;
4299 seg_32bit = ldt_info.flags & 1;
4300 contents = (ldt_info.flags >> 1) & 3;
4301 read_exec_only = (ldt_info.flags >> 3) & 1;
4302 limit_in_pages = (ldt_info.flags >> 4) & 1;
4303 seg_not_present = (ldt_info.flags >> 5) & 1;
4304 useable = (ldt_info.flags >> 6) & 1;
4305#ifdef TARGET_ABI32
4306 lm = 0;
4307#else
4308 lm = (ldt_info.flags >> 7) & 1;
4309#endif
4310
4311 if (contents == 3) {
4312 if (seg_not_present == 0)
4313 return -TARGET_EINVAL;
4314 }
4315
4316 /* NOTE: same code as Linux kernel */
4317 /* Allow LDTs to be cleared by the user. */
4318 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4319 if ((contents == 0 &&
4320 read_exec_only == 1 &&
4321 seg_32bit == 0 &&
4322 limit_in_pages == 0 &&
4323 seg_not_present == 1 &&
4324 useable == 0 )) {
4325 entry_1 = 0;
4326 entry_2 = 0;
4327 goto install;
4328 }
4329 }
4330
4331 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4332 (ldt_info.limit & 0x0ffff);
4333 entry_2 = (ldt_info.base_addr & 0xff000000) |
4334 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4335 (ldt_info.limit & 0xf0000) |
4336 ((read_exec_only ^ 1) << 9) |
4337 (contents << 10) |
4338 ((seg_not_present ^ 1) << 15) |
4339 (seg_32bit << 22) |
4340 (limit_in_pages << 23) |
4341 (useable << 20) |
4342 (lm << 21) |
4343 0x7000;
4344
4345 /* Install the new entry ... */
4346install:
4347 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
4348 lp[0] = tswap32(entry_1);
4349 lp[1] = tswap32(entry_2);
4350 return 0;
4351}
4352
8fcd3692 4353static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4354{
4355 struct target_modify_ldt_ldt_s *target_ldt_info;
4356 uint64_t *gdt_table = g2h(env->gdt.base);
4357 uint32_t base_addr, limit, flags;
4358 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
4359 int seg_not_present, useable, lm;
4360 uint32_t *lp, entry_1, entry_2;
4361
4362 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4363 if (!target_ldt_info)
4364 return -TARGET_EFAULT;
4365 idx = tswap32(target_ldt_info->entry_number);
4366 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
4367 idx > TARGET_GDT_ENTRY_TLS_MAX) {
4368 unlock_user_struct(target_ldt_info, ptr, 1);
4369 return -TARGET_EINVAL;
4370 }
4371 lp = (uint32_t *)(gdt_table + idx);
4372 entry_1 = tswap32(lp[0]);
4373 entry_2 = tswap32(lp[1]);
4374
4375 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
4376 contents = (entry_2 >> 10) & 3;
4377 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
4378 seg_32bit = (entry_2 >> 22) & 1;
4379 limit_in_pages = (entry_2 >> 23) & 1;
4380 useable = (entry_2 >> 20) & 1;
4381#ifdef TARGET_ABI32
4382 lm = 0;
4383#else
4384 lm = (entry_2 >> 21) & 1;
4385#endif
4386 flags = (seg_32bit << 0) | (contents << 1) |
4387 (read_exec_only << 3) | (limit_in_pages << 4) |
4388 (seg_not_present << 5) | (useable << 6) | (lm << 7);
4389 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
4390 base_addr = (entry_1 >> 16) |
4391 (entry_2 & 0xff000000) |
4392 ((entry_2 & 0xff) << 16);
cbb21eed 4393 target_ldt_info->base_addr = tswapal(base_addr);
8d18e893
FB		 4394 target_ldt_info->limit = tswap32(limit);
4395 target_ldt_info->flags = tswap32(flags);
4396 unlock_user_struct(target_ldt_info, ptr, 1);
4397 return 0;
4398}
4583f589 4399#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 4400
d2fd1af7 4401#ifndef TARGET_ABI32
2667e71c 4402abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7 4403{
1add8698 4404 abi_long ret = 0;
d2fd1af7
FB		 4405 abi_ulong val;
4406 int idx;
1add8698 4407
d2fd1af7
FB		 4408 switch(code) {
4409 case TARGET_ARCH_SET_GS:
4410 case TARGET_ARCH_SET_FS:
4411 if (code == TARGET_ARCH_SET_GS)
4412 idx = R_GS;
4413 else
4414 idx = R_FS;
4415 cpu_x86_load_seg(env, idx, 0);
4416 env->segs[idx].base = addr;
4417 break;
4418 case TARGET_ARCH_GET_GS:
4419 case TARGET_ARCH_GET_FS:
4420 if (code == TARGET_ARCH_GET_GS)
4421 idx = R_GS;
4422 else
4423 idx = R_FS;
4424 val = env->segs[idx].base;
4425 if (put_user(val, addr, abi_ulong))
1add8698 4426 ret = -TARGET_EFAULT;
d2fd1af7
FB		 4427 break;
4428 default:
4429 ret = -TARGET_EINVAL;
4430 break;
4431 }
1add8698 4432 return ret;
d2fd1af7
FB		 4433}
4434#endif
4435
2ab83ea7
FB		 4436#endif /* defined(TARGET_I386) */
4437
05098a93 4438#define NEW_STACK_SIZE 0x40000
d865bab5 4439
d865bab5
PB		 4440
4441static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
4442typedef struct {
9349b4f9 4443 CPUArchState *env;
d865bab5
PB		 4444 pthread_mutex_t mutex;
4445 pthread_cond_t cond;
4446 pthread_t thread;
4447 uint32_t tid;
4448 abi_ulong child_tidptr;
4449 abi_ulong parent_tidptr;
4450 sigset_t sigmask;
4451} new_thread_info;
4452
4453static void *clone_func(void *arg)
4454{
4455 new_thread_info *info = arg;
9349b4f9 4456 CPUArchState *env;
0d34282f 4457 CPUState *cpu;
edf8e2af 4458 TaskState *ts;
d865bab5
PB		 4459
4460 env = info->env;
0d34282f 4461 cpu = ENV_GET_CPU(env);
a2247f8e 4462 thread_cpu = cpu;
0429a971 4463 ts = (TaskState *)cpu->opaque;
d865bab5 4464 info->tid = gettid();
0d34282f 4465 cpu->host_tid = info->tid;
edf8e2af 4466 task_settid(ts);
d865bab5
PB		 4467 if (info->child_tidptr)
4468 put_user_u32(info->tid, info->child_tidptr);
4469 if (info->parent_tidptr)
4470 put_user_u32(info->tid, info->parent_tidptr);
4471 /* Enable signals. */
4472 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
4473 /* Signal to the parent that we're ready. */
4474 pthread_mutex_lock(&info->mutex);
4475 pthread_cond_broadcast(&info->cond);
4476 pthread_mutex_unlock(&info->mutex);
4477 /* Wait until the parent has finshed initializing the tls state. */
4478 pthread_mutex_lock(&clone_lock);
4479 pthread_mutex_unlock(&clone_lock);
4480 cpu_loop(env);
4481 /* never exits */
4482 return NULL;
4483}
1b6b029e 4484
0da46a6e
TS		 4485/* do_fork() Must return host values and target errnos (unlike most
4486 do_*() functions). */
9349b4f9 4487static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
d865bab5
PB		 4488 abi_ulong parent_tidptr, target_ulong newtls,
4489 abi_ulong child_tidptr)
1b6b029e 4490{
0429a971 4491 CPUState *cpu = ENV_GET_CPU(env);
1b6b029e 4492 int ret;
5cd4393b 4493 TaskState *ts;
0429a971 4494 CPUState *new_cpu;
9349b4f9 4495 CPUArchState *new_env;
d865bab5
PB		 4496 unsigned int nptl_flags;
4497 sigset_t sigmask;
3b46e624 4498
436d124b
AZ		 4499 /* Emulate vfork() with fork() */
4500 if (flags & CLONE_VFORK)
4501 flags &= ~(CLONE_VFORK | CLONE_VM);
4502
1b6b029e 4503 if (flags & CLONE_VM) {
0429a971 4504 TaskState *parent_ts = (TaskState *)cpu->opaque;
d865bab5
PB		 4505 new_thread_info info;
4506 pthread_attr_t attr;
24cb36a6 4507
7267c094 4508 ts = g_malloc0(sizeof(TaskState));
624f7979 4509 init_task_state(ts);
1b6b029e 4510 /* we create a new CPU instance. */
c5be9f08 4511 new_env = cpu_copy(env);
6e68e076
PB		 4512 /* Init regs that differ from the parent. */
4513 cpu_clone_regs(new_env, newsp);
0429a971
AF		 4514 new_cpu = ENV_GET_CPU(new_env);
4515 new_cpu->opaque = ts;
edf8e2af
MW		 4516 ts->bprm = parent_ts->bprm;
4517 ts->info = parent_ts->info;
d865bab5
PB		 4518 nptl_flags = flags;
4519 flags &= ~CLONE_NPTL_FLAGS2;
4520
c2764719
PB		 4521 if (nptl_flags & CLONE_CHILD_CLEARTID) {
4522 ts->child_tidptr = child_tidptr;
4523 }
4524
d865bab5
PB		 4525 if (nptl_flags & CLONE_SETTLS)
4526 cpu_set_tls (new_env, newtls);
4527
4528 /* Grab a mutex so that thread setup appears atomic. */
4529 pthread_mutex_lock(&clone_lock);
4530
4531 memset(&info, 0, sizeof(info));
4532 pthread_mutex_init(&info.mutex, NULL);
4533 pthread_mutex_lock(&info.mutex);
4534 pthread_cond_init(&info.cond, NULL);
4535 info.env = new_env;
4536 if (nptl_flags & CLONE_CHILD_SETTID)
4537 info.child_tidptr = child_tidptr;
4538 if (nptl_flags & CLONE_PARENT_SETTID)
4539 info.parent_tidptr = parent_tidptr;
4540
4541 ret = pthread_attr_init(&attr);
48e15fc2
NF		 4542 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
4543 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
d865bab5
PB		 4544 /* It is not safe to deliver signals until the child has finished
4545 initializing, so temporarily block all signals. */
4546 sigfillset(&sigmask);
4547 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
4548
4549 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 4550 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 4551
4552 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
4553 pthread_attr_destroy(&attr);
4554 if (ret == 0) {
4555 /* Wait for the child to initialize. */
4556 pthread_cond_wait(&info.cond, &info.mutex);
4557 ret = info.tid;
4558 if (flags & CLONE_PARENT_SETTID)
4559 put_user_u32(ret, parent_tidptr);
4560 } else {
4561 ret = -1;
4562 }
4563 pthread_mutex_unlock(&info.mutex);
4564 pthread_cond_destroy(&info.cond);
4565 pthread_mutex_destroy(&info.mutex);
4566 pthread_mutex_unlock(&clone_lock);
1b6b029e
FB		 4567 } else {
4568 /* if no CLONE_VM, we consider it is a fork */
d865bab5 4569 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 4570 return -EINVAL;
d865bab5 4571 fork_start();
1b6b029e 4572 ret = fork();
d865bab5 4573 if (ret == 0) {
2b1319c8 4574 /* Child Process. */
d865bab5
PB		 4575 cpu_clone_regs(env, newsp);
4576 fork_end(1);
2b1319c8
AJ		 4577 /* There is a race condition here. The parent process could
4578 theoretically read the TID in the child process before the child
4579 tid is set. This would require using either ptrace
4580 (not implemented) or having *_tidptr to point at a shared memory
4581 mapping. We can't repeat the spinlock hack used above because
4582 the child process gets its own copy of the lock. */
d865bab5
PB		 4583 if (flags & CLONE_CHILD_SETTID)
4584 put_user_u32(gettid(), child_tidptr);
4585 if (flags & CLONE_PARENT_SETTID)
4586 put_user_u32(gettid(), parent_tidptr);
0429a971 4587 ts = (TaskState *)cpu->opaque;
d865bab5
PB		 4588 if (flags & CLONE_SETTLS)
4589 cpu_set_tls (env, newtls);
c2764719
PB		 4590 if (flags & CLONE_CHILD_CLEARTID)
4591 ts->child_tidptr = child_tidptr;
d865bab5
PB		 4592 } else {
4593 fork_end(0);
4594 }
1b6b029e
FB		 4595 }
4596 return ret;
4597}
4598
5f106811
APR		 4599/* warning : doesn't handle linux specific flags... */
4600static int target_to_host_fcntl_cmd(int cmd)
4601{
4602 switch(cmd) {
4603 case TARGET_F_DUPFD:
4604 case TARGET_F_GETFD:
4605 case TARGET_F_SETFD:
4606 case TARGET_F_GETFL:
4607 case TARGET_F_SETFL:
4608 return cmd;
4609 case TARGET_F_GETLK:
4610 return F_GETLK;
4611 case TARGET_F_SETLK:
4612 return F_SETLK;
4613 case TARGET_F_SETLKW:
4614 return F_SETLKW;
4615 case TARGET_F_GETOWN:
4616 return F_GETOWN;
4617 case TARGET_F_SETOWN:
4618 return F_SETOWN;
4619 case TARGET_F_GETSIG:
4620 return F_GETSIG;
4621 case TARGET_F_SETSIG:
4622 return F_SETSIG;
4623#if TARGET_ABI_BITS == 32
4624 case TARGET_F_GETLK64:
4625 return F_GETLK64;
4626 case TARGET_F_SETLK64:
4627 return F_SETLK64;
4628 case TARGET_F_SETLKW64:
4629 return F_SETLKW64;
4630#endif
7e22e546
UH		 4631 case TARGET_F_SETLEASE:
4632 return F_SETLEASE;
4633 case TARGET_F_GETLEASE:
4634 return F_GETLEASE;
fbd5de9b 4635#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 4636 case TARGET_F_DUPFD_CLOEXEC:
4637 return F_DUPFD_CLOEXEC;
fbd5de9b 4638#endif
7e22e546
UH		 4639 case TARGET_F_NOTIFY:
4640 return F_NOTIFY;
8d5d3004
AS		 4641#ifdef F_GETOWN_EX
4642 case TARGET_F_GETOWN_EX:
4643 return F_GETOWN_EX;
4644#endif
4645#ifdef F_SETOWN_EX
4646 case TARGET_F_SETOWN_EX:
4647 return F_SETOWN_EX;
4648#endif
5f106811
APR		 4649 default:
4650 return -TARGET_EINVAL;
4651 }
4652 return -TARGET_EINVAL;
4653}
4654
2ba7f730
LV		 4655#define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
4656static const bitmask_transtbl flock_tbl[] = {
4657 TRANSTBL_CONVERT(F_RDLCK),
4658 TRANSTBL_CONVERT(F_WRLCK),
4659 TRANSTBL_CONVERT(F_UNLCK),
4660 TRANSTBL_CONVERT(F_EXLCK),
4661 TRANSTBL_CONVERT(F_SHLCK),
4662 { 0, 0, 0, 0 }
4663};
4664
992f48a0 4665static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 4666{
4667 struct flock fl;
53a5960a 4668 struct target_flock *target_fl;
43f238d7
TS		 4669 struct flock64 fl64;
4670 struct target_flock64 *target_fl64;
8d5d3004
AS		 4671#ifdef F_GETOWN_EX
4672 struct f_owner_ex fox;
4673 struct target_f_owner_ex *target_fox;
4674#endif
992f48a0 4675 abi_long ret;
5f106811
APR		 4676 int host_cmd = target_to_host_fcntl_cmd(cmd);
4677
4678 if (host_cmd == -TARGET_EINVAL)
4679 return host_cmd;
53a5960a 4680
7775e9ec
FB		 4681 switch(cmd) {
4682 case TARGET_F_GETLK:
579a97f7
FB		 4683 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4684 return -TARGET_EFAULT;
2ba7f730
LV		 4685 fl.l_type =
4686 target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
5813427b 4687 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4688 fl.l_start = tswapal(target_fl->l_start);
4689 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4690 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 4691 unlock_user_struct(target_fl, arg, 0);
5f106811 4692 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4693 if (ret == 0) {
579a97f7
FB		 4694 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
4695 return -TARGET_EFAULT;
2ba7f730
LV		 4696 target_fl->l_type =
4697 host_to_target_bitmask(tswap16(fl.l_type), flock_tbl);
7775e9ec 4698 target_fl->l_whence = tswap16(fl.l_whence);
cbb21eed
MB		 4699 target_fl->l_start = tswapal(fl.l_start);
4700 target_fl->l_len = tswapal(fl.l_len);
7e22e546 4701 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 4702 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 4703 }
4704 break;
3b46e624 4705
7775e9ec
FB		 4706 case TARGET_F_SETLK:
4707 case TARGET_F_SETLKW:
579a97f7
FB		 4708 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4709 return -TARGET_EFAULT;
2ba7f730
LV		 4710 fl.l_type =
4711 target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
7775e9ec 4712 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4713 fl.l_start = tswapal(target_fl->l_start);
4714 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4715 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 4716 unlock_user_struct(target_fl, arg, 0);
5f106811 4717 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4718 break;
3b46e624 4719
7775e9ec 4720 case TARGET_F_GETLK64:
579a97f7
FB		 4721 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4722 return -TARGET_EFAULT;
2ba7f730
LV		 4723 fl64.l_type =
4724 target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
5813427b 4725 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4726 fl64.l_start = tswap64(target_fl64->l_start);
4727 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4728 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 4729 unlock_user_struct(target_fl64, arg, 0);
5f106811 4730 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 4731 if (ret == 0) {
579a97f7
FB		 4732 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
4733 return -TARGET_EFAULT;
2ba7f730
LV		 4734 target_fl64->l_type =
4735 host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1;
43f238d7 4736 target_fl64->l_whence = tswap16(fl64.l_whence);
cbb21eed
MB		 4737 target_fl64->l_start = tswap64(fl64.l_start);
4738 target_fl64->l_len = tswap64(fl64.l_len);
7e22e546 4739 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 4740 unlock_user_struct(target_fl64, arg, 1);
4741 }
9ee1fa2c 4742 break;
7775e9ec
FB		 4743 case TARGET_F_SETLK64:
4744 case TARGET_F_SETLKW64:
579a97f7
FB		 4745 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4746 return -TARGET_EFAULT;
2ba7f730
LV		 4747 fl64.l_type =
4748 target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
43f238d7 4749 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4750 fl64.l_start = tswap64(target_fl64->l_start);
4751 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4752 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 4753 unlock_user_struct(target_fl64, arg, 0);
5f106811 4754 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 4755 break;
4756
5f106811
APR		 4757 case TARGET_F_GETFL:
4758 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 4759 if (ret >= 0) {
4760 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4761 }
ffa65c3b
FB		 4762 break;
4763
5f106811
APR		 4764 case TARGET_F_SETFL:
4765 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4766 break;
4767
8d5d3004
AS		 4768#ifdef F_GETOWN_EX
4769 case TARGET_F_GETOWN_EX:
4770 ret = get_errno(fcntl(fd, host_cmd, &fox));
4771 if (ret >= 0) {
4772 if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
4773 return -TARGET_EFAULT;
4774 target_fox->type = tswap32(fox.type);
4775 target_fox->pid = tswap32(fox.pid);
4776 unlock_user_struct(target_fox, arg, 1);
4777 }
4778 break;
4779#endif
4780
4781#ifdef F_SETOWN_EX
4782 case TARGET_F_SETOWN_EX:
4783 if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
4784 return -TARGET_EFAULT;
4785 fox.type = tswap32(target_fox->type);
4786 fox.pid = tswap32(target_fox->pid);
4787 unlock_user_struct(target_fox, arg, 0);
4788 ret = get_errno(fcntl(fd, host_cmd, &fox));
4789 break;
4790#endif
4791
5f106811
APR		 4792 case TARGET_F_SETOWN:
4793 case TARGET_F_GETOWN:
4794 case TARGET_F_SETSIG:
4795 case TARGET_F_GETSIG:
7e22e546
UH		 4796 case TARGET_F_SETLEASE:
4797 case TARGET_F_GETLEASE:
5f106811 4798 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 4799 break;
4800
7775e9ec 4801 default:
9ee1fa2c 4802 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 4803 break;
4804 }
4805 return ret;
4806}
4807
67867308 4808#ifdef USE_UID16
7775e9ec 4809
67867308
FB		 4810static inline int high2lowuid(int uid)
4811{
4812 if (uid > 65535)
4813 return 65534;
4814 else
4815 return uid;
4816}
4817
4818static inline int high2lowgid(int gid)
4819{
4820 if (gid > 65535)
4821 return 65534;
4822 else
4823 return gid;
4824}
4825
4826static inline int low2highuid(int uid)
4827{
4828 if ((int16_t)uid == -1)
4829 return -1;
4830 else
4831 return uid;
4832}
4833
4834static inline int low2highgid(int gid)
4835{
4836 if ((int16_t)gid == -1)
4837 return -1;
4838 else
4839 return gid;
4840}
0c866a7e
RV		 4841static inline int tswapid(int id)
4842{
4843 return tswap16(id);
4844}
76ca310a
PM		 4845
4846#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
4847
0c866a7e
RV		 4848#else /* !USE_UID16 */
4849static inline int high2lowuid(int uid)
4850{
4851 return uid;
4852}
4853static inline int high2lowgid(int gid)
4854{
4855 return gid;
4856}
4857static inline int low2highuid(int uid)
4858{
4859 return uid;
4860}
4861static inline int low2highgid(int gid)
4862{
4863 return gid;
4864}
4865static inline int tswapid(int id)
4866{
4867 return tswap32(id);
4868}
76ca310a
PM		 4869
4870#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
4871
67867308 4872#endif /* USE_UID16 */
1b6b029e 4873
31e31b8a
FB		 4874void syscall_init(void)
4875{
2ab83ea7
FB		 4876 IOCTLEntry *ie;
4877 const argtype *arg_type;
4878 int size;
b92c47c1 4879 int i;
2ab83ea7 4880
001faf32 4881#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 4882#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 4883#include "syscall_types.h"
4884#undef STRUCT
4885#undef STRUCT_SPECIAL
2ab83ea7 4886
dd6e957a
PM		 4887 /* Build target_to_host_errno_table[] table from
4888 * host_to_target_errno_table[]. */
4889 for (i = 0; i < ERRNO_TABLE_SIZE; i++) {
4890 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4891 }
4892
2ab83ea7
FB		 4893 /* we patch the ioctl size if necessary. We rely on the fact that
4894 no ioctl has all the bits at '1' in the size field */
4895 ie = ioctl_entries;
4896 while (ie->target_cmd != 0) {
4897 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4898 TARGET_IOC_SIZEMASK) {
4899 arg_type = ie->arg_type;
4900 if (arg_type[0] != TYPE_PTR) {
5fafdf24 4901 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 4902 ie->target_cmd);
4903 exit(1);
4904 }
4905 arg_type++;
4906 size = thunk_type_size(arg_type, 0);
5fafdf24 4907 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 4908 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4909 (size << TARGET_IOC_SIZESHIFT);
4910 }
b92c47c1 4911
2ab83ea7 4912 /* automatic consistency check if same arch */
872ea0c0
AZ		 4913#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4914 (defined(__x86_64__) && defined(TARGET_X86_64))
4915 if (unlikely(ie->target_cmd != ie->host_cmd)) {
4916 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4917 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 4918 }
4919#endif
4920 ie++;
4921 }
31e31b8a 4922}
c573ff67 4923
992f48a0 4924#if TARGET_ABI_BITS == 32
ce4defa0
PB		 4925static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4926{
af325d36 4927#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 4928 return ((uint64_t)word0 << 32) | word1;
4929#else
4930 return ((uint64_t)word1 << 32) | word0;
4931#endif
4932}
992f48a0 4933#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 4934static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4935{
4936 return word0;
4937}
992f48a0 4938#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 4939
4940#ifdef TARGET_NR_truncate64
992f48a0
BS		 4941static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4942 abi_long arg2,
4943 abi_long arg3,
4944 abi_long arg4)
ce4defa0 4945{
48e515d4 4946 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4947 arg2 = arg3;
4948 arg3 = arg4;
48e515d4 4949 }
ce4defa0
PB		 4950 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4951}
4952#endif
4953
4954#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 4955static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4956 abi_long arg2,
4957 abi_long arg3,
4958 abi_long arg4)
ce4defa0 4959{
48e515d4 4960 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4961 arg2 = arg3;
4962 arg3 = arg4;
48e515d4 4963 }
ce4defa0
PB		 4964 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4965}
4966#endif
4967
579a97f7
FB		 4968static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4969 abi_ulong target_addr)
53a5960a
PB		 4970{
4971 struct target_timespec *target_ts;
4972
579a97f7
FB		 4973 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4974 return -TARGET_EFAULT;
cbb21eed
MB		 4975 host_ts->tv_sec = tswapal(target_ts->tv_sec);
4976 host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
53a5960a 4977 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 4978 return 0;
53a5960a
PB		 4979}
4980
579a97f7
FB		 4981static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4982 struct timespec *host_ts)
53a5960a
PB		 4983{
4984 struct target_timespec *target_ts;
4985
579a97f7
FB		 4986 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4987 return -TARGET_EFAULT;
cbb21eed
MB		 4988 target_ts->tv_sec = tswapal(host_ts->tv_sec);
4989 target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
53a5960a 4990 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 4991 return 0;
53a5960a
PB		 4992}
4993
f4f1e10a
ECL		 4994static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec,
4995 abi_ulong target_addr)
4996{
4997 struct target_itimerspec *target_itspec;
4998
4999 if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) {
5000 return -TARGET_EFAULT;
5001 }
5002
5003 host_itspec->it_interval.tv_sec =
5004 tswapal(target_itspec->it_interval.tv_sec);
5005 host_itspec->it_interval.tv_nsec =
5006 tswapal(target_itspec->it_interval.tv_nsec);
5007 host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec);
5008 host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec);
5009
5010 unlock_user_struct(target_itspec, target_addr, 1);
5011 return 0;
5012}
5013
5014static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
5015 struct itimerspec *host_its)
5016{
5017 struct target_itimerspec *target_itspec;
5018
5019 if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) {
5020 return -TARGET_EFAULT;
5021 }
5022
5023 target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec);
5024 target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec);
5025
5026 target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec);
5027 target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec);
5028
5029 unlock_user_struct(target_itspec, target_addr, 0);
5030 return 0;
5031}
5032
c065976f
PM		 5033static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp,
5034 abi_ulong target_addr)
5035{
5036 struct target_sigevent *target_sevp;
5037
5038 if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) {
5039 return -TARGET_EFAULT;
5040 }
5041
5042 /* This union is awkward on 64 bit systems because it has a 32 bit
5043 * integer and a pointer in it; we follow the conversion approach
5044 * used for handling sigval types in signal.c so the guest should get
5045 * the correct value back even if we did a 64 bit byteswap and it's
5046 * using the 32 bit integer.
5047 */
5048 host_sevp->sigev_value.sival_ptr =
5049 (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr);
5050 host_sevp->sigev_signo =
5051 target_to_host_signal(tswap32(target_sevp->sigev_signo));
5052 host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify);
5053 host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid);
5054
5055 unlock_user_struct(target_sevp, target_addr, 1);
5056 return 0;
5057}
5058
6f6a4032
TM		 5059#if defined(TARGET_NR_mlockall)
5060static inline int target_to_host_mlockall_arg(int arg)
5061{
5062 int result = 0;
5063
5064 if (arg & TARGET_MLOCKALL_MCL_CURRENT) {
5065 result |= MCL_CURRENT;
5066 }
5067 if (arg & TARGET_MLOCKALL_MCL_FUTURE) {
5068 result |= MCL_FUTURE;
5069 }
5070 return result;
5071}
5072#endif
5073
9d33b76b 5074#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 5075static inline abi_long host_to_target_stat64(void *cpu_env,
5076 abi_ulong target_addr,
5077 struct stat *host_st)
5078{
09701199 5079#if defined(TARGET_ARM) && defined(TARGET_ABI32)
6a24a778
AZ		 5080 if (((CPUARMState *)cpu_env)->eabi) {
5081 struct target_eabi_stat64 *target_st;
5082
5083 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
5084 return -TARGET_EFAULT;
5085 memset(target_st, 0, sizeof(struct target_eabi_stat64));
5086 __put_user(host_st->st_dev, &target_st->st_dev);
5087 __put_user(host_st->st_ino, &target_st->st_ino);
5088#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
5089 __put_user(host_st->st_ino, &target_st->__st_ino);
5090#endif
5091 __put_user(host_st->st_mode, &target_st->st_mode);
5092 __put_user(host_st->st_nlink, &target_st->st_nlink);
5093 __put_user(host_st->st_uid, &target_st->st_uid);
5094 __put_user(host_st->st_gid, &target_st->st_gid);
5095 __put_user(host_st->st_rdev, &target_st->st_rdev);
5096 __put_user(host_st->st_size, &target_st->st_size);
5097 __put_user(host_st->st_blksize, &target_st->st_blksize);
5098 __put_user(host_st->st_blocks, &target_st->st_blocks);
5099 __put_user(host_st->st_atime, &target_st->target_st_atime);
5100 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
5101 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
5102 unlock_user_struct(target_st, target_addr, 1);
5103 } else
5104#endif
5105 {
20d155bc 5106#if defined(TARGET_HAS_STRUCT_STAT64)
6a24a778 5107 struct target_stat64 *target_st;
20d155bc
SW		 5108#else
5109 struct target_stat *target_st;
9d33b76b 5110#endif
6a24a778
AZ		 5111
5112 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
5113 return -TARGET_EFAULT;
9d33b76b 5114 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 5115 __put_user(host_st->st_dev, &target_st->st_dev);
5116 __put_user(host_st->st_ino, &target_st->st_ino);
5117#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
5118 __put_user(host_st->st_ino, &target_st->__st_ino);
5119#endif
5120 __put_user(host_st->st_mode, &target_st->st_mode);
5121 __put_user(host_st->st_nlink, &target_st->st_nlink);
5122 __put_user(host_st->st_uid, &target_st->st_uid);
5123 __put_user(host_st->st_gid, &target_st->st_gid);
5124 __put_user(host_st->st_rdev, &target_st->st_rdev);
5125 /* XXX: better use of kernel struct */
5126 __put_user(host_st->st_size, &target_st->st_size);
5127 __put_user(host_st->st_blksize, &target_st->st_blksize);
5128 __put_user(host_st->st_blocks, &target_st->st_blocks);
5129 __put_user(host_st->st_atime, &target_st->target_st_atime);
5130 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
5131 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
5132 unlock_user_struct(target_st, target_addr, 1);
5133 }
5134
5135 return 0;
5136}
5137#endif
5138
bd0c5661
PB		 5139/* ??? Using host futex calls even when target atomic operations
5140 are not really atomic probably breaks things. However implementing
5141 futexes locally would make futexes shared between multiple processes
5142 tricky. However they're probably useless because guest atomic
5143 operations won't work either. */
8fcd3692
BS		 5144static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
5145 target_ulong uaddr2, int val3)
bd0c5661
PB		 5146{
5147 struct timespec ts, *pts;
a16aae0c 5148 int base_op;
bd0c5661
PB		 5149
5150 /* ??? We assume FUTEX_* constants are the same on both host
5151 and target. */
a29ccd63 5152#ifdef FUTEX_CMD_MASK
a16aae0c 5153 base_op = op & FUTEX_CMD_MASK;
a29ccd63 5154#else
a16aae0c 5155 base_op = op;
a29ccd63 5156#endif
a16aae0c 5157 switch (base_op) {
bd0c5661 5158 case FUTEX_WAIT:
cce246e0 5159 case FUTEX_WAIT_BITSET:
bd0c5661
PB		 5160 if (timeout) {
5161 pts = &ts;
5162 target_to_host_timespec(pts, timeout);
5163 } else {
5164 pts = NULL;
5165 }
a29ccd63 5166 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
cce246e0 5167 pts, NULL, val3));
bd0c5661 5168 case FUTEX_WAKE:
a29ccd63 5169 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 5170 case FUTEX_FD:
a29ccd63 5171 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 5172 case FUTEX_REQUEUE:
bd0c5661 5173 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 5174 case FUTEX_WAKE_OP:
5175 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
5176 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
5177 But the prototype takes a `struct timespec *'; insert casts
5178 to satisfy the compiler. We do not need to tswap TIMEOUT
5179 since it's not compared to guest memory. */
5180 pts = (struct timespec *)(uintptr_t) timeout;
5181 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
5182 g2h(uaddr2),
5183 (base_op == FUTEX_CMP_REQUEUE
5184 ? tswap32(val3)
5185 : val3)));
bd0c5661
PB		 5186 default:
5187 return -TARGET_ENOSYS;
5188 }
5189}
bd0c5661 5190
1d9d8b55
PB		 5191/* Map host to target signal numbers for the wait family of syscalls.
5192 Assume all other status bits are the same. */
a05c6409 5193int host_to_target_waitstatus(int status)
1d9d8b55
PB		 5194{
5195 if (WIFSIGNALED(status)) {
5196 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
5197 }
5198 if (WIFSTOPPED(status)) {
5199 return (host_to_target_signal(WSTOPSIG(status)) << 8)
5200 | (status & 0xff);
5201 }
5202 return status;
5203}
5204
76b94245
WVS		 5205static int open_self_cmdline(void *cpu_env, int fd)
5206{
5207 int fd_orig = -1;
5208 bool word_skipped = false;
5209
5210 fd_orig = open("/proc/self/cmdline", O_RDONLY);
5211 if (fd_orig < 0) {
5212 return fd_orig;
5213 }
5214
5215 while (true) {
5216 ssize_t nb_read;
5217 char buf[128];
5218 char *cp_buf = buf;
5219
5220 nb_read = read(fd_orig, buf, sizeof(buf));
5221 if (nb_read < 0) {
5222 fd_orig = close(fd_orig);
5223 return -1;
5224 } else if (nb_read == 0) {
5225 break;
5226 }
5227
5228 if (!word_skipped) {
5229 /* Skip the first string, which is the path to qemu-*-static
5230 instead of the actual command. */
5231 cp_buf = memchr(buf, 0, sizeof(buf));
5232 if (cp_buf) {
5233 /* Null byte found, skip one string */
5234 cp_buf++;
5235 nb_read -= cp_buf - buf;
5236 word_skipped = true;
5237 }
5238 }
5239
5240 if (word_skipped) {
5241 if (write(fd, cp_buf, nb_read) != nb_read) {
680dfde9 5242 close(fd_orig);
76b94245
WVS		 5243 return -1;
5244 }
5245 }
5246 }
5247
5248 return close(fd_orig);
5249}
5250
36c08d49
AG		 5251static int open_self_maps(void *cpu_env, int fd)
5252{
0429a971
AF		 5253 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
5254 TaskState *ts = cpu->opaque;
1a49ef2a
AG		 5255 FILE *fp;
5256 char *line = NULL;
5257 size_t len = 0;
5258 ssize_t read;
5259
5260 fp = fopen("/proc/self/maps", "r");
5261 if (fp == NULL) {
5262 return -EACCES;
5263 }
36c08d49 5264
1a49ef2a
AG		 5265 while ((read = getline(&line, &len, fp)) != -1) {
5266 int fields, dev_maj, dev_min, inode;
5267 uint64_t min, max, offset;
5268 char flag_r, flag_w, flag_x, flag_p;
5269 char path[512] = "";
5270 fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
5271 " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
5272 &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
5273
5274 if ((fields < 10) || (fields > 11)) {
5275 continue;
5276 }
d67f4aaa
MI		 5277 if (h2g_valid(min)) {
5278 int flags = page_get_flags(h2g(min));
5279 max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX);
5280 if (page_check_range(h2g(min), max - min, flags) == -1) {
5281 continue;
5282 }
5283 if (h2g(min) == ts->info->stack_limit) {
5284 pstrcpy(path, sizeof(path), " [stack]");
5285 }
1a49ef2a 5286 dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
e24fed4e 5287 " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n",
d67f4aaa 5288 h2g(min), h2g(max - 1) + 1, flag_r, flag_w,
1a49ef2a 5289 flag_x, flag_p, offset, dev_maj, dev_min, inode,
e24fed4e 5290 path[0] ? " " : "", path);
1a49ef2a
AG		 5291 }
5292 }
5293
5294 free(line);
5295 fclose(fp);
5296
36c08d49
AG		 5297 return 0;
5298}
5299
480b8e7d
AG		 5300static int open_self_stat(void *cpu_env, int fd)
5301{
0429a971
AF		 5302 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
5303 TaskState *ts = cpu->opaque;
480b8e7d
AG		 5304 abi_ulong start_stack = ts->info->start_stack;
5305 int i;
5306
5307 for (i = 0; i < 44; i++) {
5308 char buf[128];
5309 int len;
5310 uint64_t val = 0;
5311
e0e65bee
FE		 5312 if (i == 0) {
5313 /* pid */
5314 val = getpid();
5315 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5316 } else if (i == 1) {
5317 /* app name */
5318 snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
5319 } else if (i == 27) {
5320 /* stack bottom */
5321 val = start_stack;
5322 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5323 } else {
5324 /* for the rest, there is MasterCard */
5325 snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
480b8e7d 5326 }
e0e65bee 5327
480b8e7d
AG		 5328 len = strlen(buf);
5329 if (write(fd, buf, len) != len) {
5330 return -1;
5331 }
5332 }
5333
5334 return 0;
5335}
5336
257450ee
AG		 5337static int open_self_auxv(void *cpu_env, int fd)
5338{
0429a971
AF		 5339 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
5340 TaskState *ts = cpu->opaque;
257450ee
AG		 5341 abi_ulong auxv = ts->info->saved_auxv;
5342 abi_ulong len = ts->info->auxv_len;
5343 char *ptr;
5344
5345 /*
5346 * Auxiliary vector is stored in target process stack.
5347 * read in whole auxv vector and copy it to file
5348 */
5349 ptr = lock_user(VERIFY_READ, auxv, len, 0);
5350 if (ptr != NULL) {
5351 while (len > 0) {
5352 ssize_t r;
5353 r = write(fd, ptr, len);
5354 if (r <= 0) {
5355 break;
5356 }
5357 len -= r;
5358 ptr += r;
5359 }
5360 lseek(fd, 0, SEEK_SET);
5361 unlock_user(ptr, auxv, len);
5362 }
5363
5364 return 0;
5365}
5366
463d8e73
AS		 5367static int is_proc_myself(const char *filename, const char *entry)
5368{
5369 if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
5370 filename += strlen("/proc/");
5371 if (!strncmp(filename, "self/", strlen("self/"))) {
5372 filename += strlen("self/");
5373 } else if (*filename >= '1' && *filename <= '9') {
5374 char myself[80];
5375 snprintf(myself, sizeof(myself), "%d/", getpid());
5376 if (!strncmp(filename, myself, strlen(myself))) {
5377 filename += strlen(myself);
5378 } else {
5379 return 0;
5380 }
5381 } else {
5382 return 0;
5383 }
5384 if (!strcmp(filename, entry)) {
5385 return 1;
5386 }
5387 }
5388 return 0;
5389}
5390
de6b9933
LV		 5391#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
5392static int is_proc(const char *filename, const char *entry)
5393{
5394 return strcmp(filename, entry) == 0;
5395}
5396
5397static int open_net_route(void *cpu_env, int fd)
5398{
5399 FILE *fp;
5400 char *line = NULL;
5401 size_t len = 0;
5402 ssize_t read;
5403
5404 fp = fopen("/proc/net/route", "r");
5405 if (fp == NULL) {
5406 return -EACCES;
5407 }
5408
5409 /* read header */
5410
5411 read = getline(&line, &len, fp);
5412 dprintf(fd, "%s", line);
5413
5414 /* read routes */
5415
5416 while ((read = getline(&line, &len, fp)) != -1) {
5417 char iface[16];
5418 uint32_t dest, gw, mask;
5419 unsigned int flags, refcnt, use, metric, mtu, window, irtt;
5420 sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
5421 iface, &dest, &gw, &flags, &refcnt, &use, &metric,
5422 &mask, &mtu, &window, &irtt);
5423 dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
5424 iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
5425 metric, tswap32(mask), mtu, window, irtt);
5426 }
5427
5428 free(line);
5429 fclose(fp);
5430
5431 return 0;
5432}
5433#endif
5434
0b2effd7 5435static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode)
3be14d05
AG		 5436{
5437 struct fake_open {
5438 const char *filename;
5439 int (*fill)(void *cpu_env, int fd);
de6b9933 5440 int (*cmp)(const char *s1, const char *s2);
3be14d05
AG		 5441 };
5442 const struct fake_open *fake_open;
5443 static const struct fake_open fakes[] = {
de6b9933
LV		 5444 { "maps", open_self_maps, is_proc_myself },
5445 { "stat", open_self_stat, is_proc_myself },
5446 { "auxv", open_self_auxv, is_proc_myself },
76b94245 5447 { "cmdline", open_self_cmdline, is_proc_myself },
de6b9933
LV		 5448#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
5449 { "/proc/net/route", open_net_route, is_proc },
5450#endif
5451 { NULL, NULL, NULL }
3be14d05
AG		 5452 };
5453
aa07f5ec
MO		 5454 if (is_proc_myself(pathname, "exe")) {
5455 int execfd = qemu_getauxval(AT_EXECFD);
0b2effd7 5456 return execfd ? execfd : get_errno(sys_openat(dirfd, exec_path, flags, mode));
aa07f5ec
MO		 5457 }
5458
3be14d05 5459 for (fake_open = fakes; fake_open->filename; fake_open++) {
de6b9933 5460 if (fake_open->cmp(pathname, fake_open->filename)) {
3be14d05
AG		 5461 break;
5462 }
5463 }
5464
5465 if (fake_open->filename) {
5466 const char *tmpdir;
5467 char filename[PATH_MAX];
5468 int fd, r;
5469
5470 /* create temporary file to map stat to */
5471 tmpdir = getenv("TMPDIR");
5472 if (!tmpdir)
5473 tmpdir = "/tmp";
5474 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
5475 fd = mkstemp(filename);
5476 if (fd < 0) {
5477 return fd;
5478 }
5479 unlink(filename);
5480
5481 if ((r = fake_open->fill(cpu_env, fd))) {
5482 close(fd);
5483 return r;
5484 }
5485 lseek(fd, 0, SEEK_SET);
5486
5487 return fd;
5488 }
5489
0b2effd7 5490 return get_errno(sys_openat(dirfd, path(pathname), flags, mode));
3be14d05
AG		 5491}
5492
aecc8861
AG		 5493#define TIMER_MAGIC 0x0caf0000
5494#define TIMER_MAGIC_MASK 0xffff0000
5495
5496/* Convert QEMU provided timer ID back to internal 16bit index format */
5497static target_timer_t get_timer_id(abi_long arg)
5498{
5499 target_timer_t timerid = arg;
5500
5501 if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) {
5502 return -TARGET_EINVAL;
5503 }
5504
5505 timerid &= 0xffff;
5506
5507 if (timerid >= ARRAY_SIZE(g_posix_timers)) {
5508 return -TARGET_EINVAL;
5509 }
5510
5511 return timerid;
5512}
5513
0da46a6e
TS		 5514/* do_syscall() should always have a single exit point at the end so
5515 that actions, such as logging of syscall results, can be performed.
5516 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 5517abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
5518 abi_long arg2, abi_long arg3, abi_long arg4,
5945cfcb
PM		 5519 abi_long arg5, abi_long arg6, abi_long arg7,
5520 abi_long arg8)
31e31b8a 5521{
182735ef 5522 CPUState *cpu = ENV_GET_CPU(cpu_env);
992f48a0 5523 abi_long ret;
31e31b8a 5524 struct stat st;
56c8f68f 5525 struct statfs stfs;
53a5960a 5526 void *p;
3b46e624 5527
72f03900 5528#ifdef DEBUG
c573ff67 5529 gemu_log("syscall %d", num);
72f03900 5530#endif
b92c47c1
TS		 5531 if(do_strace)
5532 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
5533
31e31b8a
FB		 5534 switch(num) {
5535 case TARGET_NR_exit:
9b056fcc
AF		 5536 /* In old applications this may be used to implement _exit(2).
5537 However in threaded applictions it is used for thread termination,
5538 and _exit_group is used for application termination.
5539 Do thread termination if we have more then one thread. */
5540 /* FIXME: This probably breaks if a signal arrives. We should probably
5541 be disabling signals. */
bdc44640 5542 if (CPU_NEXT(first_cpu)) {
9b056fcc 5543 TaskState *ts;
9b056fcc
AF		 5544
5545 cpu_list_lock();
9b056fcc 5546 /* Remove the CPU from the list. */
bdc44640 5547 QTAILQ_REMOVE(&cpus, cpu, node);
9b056fcc 5548 cpu_list_unlock();
0429a971 5549 ts = cpu->opaque;
9b056fcc
AF		 5550 if (ts->child_tidptr) {
5551 put_user_u32(0, ts->child_tidptr);
5552 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
5553 NULL, NULL, 0);
5554 }
a2247f8e 5555 thread_cpu = NULL;
0429a971 5556 object_unref(OBJECT(cpu));
9b056fcc
AF		 5557 g_free(ts);
5558 pthread_exit(NULL);
5559 }
9788c9ca 5560#ifdef TARGET_GPROF
7d13299d
FB		 5561 _mcleanup();
5562#endif
e9009676 5563 gdb_exit(cpu_env, arg1);
c2764719 5564 _exit(arg1);
31e31b8a
FB		 5565 ret = 0; /* avoid warning */
5566 break;
5567 case TARGET_NR_read:
38d840e6
AJ		 5568 if (arg3 == 0)
5569 ret = 0;
5570 else {
5571 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5572 goto efault;
5573 ret = get_errno(read(arg1, p, arg3));
5574 unlock_user(p, arg2, ret);
5575 }
31e31b8a
FB		 5576 break;
5577 case TARGET_NR_write:
579a97f7
FB		 5578 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5579 goto efault;
53a5960a
PB		 5580 ret = get_errno(write(arg1, p, arg3));
5581 unlock_user(p, arg2, 0);
31e31b8a
FB		 5582 break;
5583 case TARGET_NR_open:
2f619698
FB		 5584 if (!(p = lock_user_string(arg1)))
5585 goto efault;
0b2effd7
RV		 5586 ret = get_errno(do_openat(cpu_env, AT_FDCWD, p,
5587 target_to_host_bitmask(arg2, fcntl_flags_tbl),
5588 arg3));
53a5960a 5589 unlock_user(p, arg1, 0);
31e31b8a 5590 break;
82424832 5591 case TARGET_NR_openat:
579a97f7
FB		 5592 if (!(p = lock_user_string(arg2)))
5593 goto efault;
0b2effd7
RV		 5594 ret = get_errno(do_openat(cpu_env, arg1, p,
5595 target_to_host_bitmask(arg3, fcntl_flags_tbl),
5596 arg4));
579a97f7 5597 unlock_user(p, arg2, 0);
82424832 5598 break;
31e31b8a
FB		 5599 case TARGET_NR_close:
5600 ret = get_errno(close(arg1));
5601 break;
5602 case TARGET_NR_brk:
53a5960a 5603 ret = do_brk(arg1);
31e31b8a
FB		 5604 break;
5605 case TARGET_NR_fork:
d865bab5 5606 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 5607 break;
e5febef5 5608#ifdef TARGET_NR_waitpid
31e31b8a
FB		 5609 case TARGET_NR_waitpid:
5610 {
53a5960a
PB		 5611 int status;
5612 ret = get_errno(waitpid(arg1, &status, arg3));
5379557b 5613 if (!is_error(ret) && arg2 && ret
1d9d8b55 5614 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 5615 goto efault;
31e31b8a
FB		 5616 }
5617 break;
e5febef5 5618#endif
f0cbb613
PB		 5619#ifdef TARGET_NR_waitid
5620 case TARGET_NR_waitid:
5621 {
5622 siginfo_t info;
5623 info.si_pid = 0;
5624 ret = get_errno(waitid(arg1, arg2, &info, arg4));
5625 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 5626 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 5627 goto efault;
5628 host_to_target_siginfo(p, &info);
c227f099 5629 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 5630 }
5631 }
5632 break;
5633#endif
7a3148a9 5634#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 5635 case TARGET_NR_creat:
579a97f7
FB		 5636 if (!(p = lock_user_string(arg1)))
5637 goto efault;
53a5960a
PB		 5638 ret = get_errno(creat(p, arg2));
5639 unlock_user(p, arg1, 0);
31e31b8a 5640 break;
7a3148a9 5641#endif
31e31b8a 5642 case TARGET_NR_link:
53a5960a
PB		 5643 {
5644 void * p2;
5645 p = lock_user_string(arg1);
5646 p2 = lock_user_string(arg2);
579a97f7
FB		 5647 if (!p || !p2)
5648 ret = -TARGET_EFAULT;
5649 else
5650 ret = get_errno(link(p, p2));
53a5960a
PB		 5651 unlock_user(p2, arg2, 0);
5652 unlock_user(p, arg1, 0);
5653 }
31e31b8a 5654 break;
c0d472b1 5655#if defined(TARGET_NR_linkat)
64f0ce4c 5656 case TARGET_NR_linkat:
64f0ce4c
TS		 5657 {
5658 void * p2 = NULL;
579a97f7
FB		 5659 if (!arg2 || !arg4)
5660 goto efault;
64f0ce4c
TS		 5661 p = lock_user_string(arg2);
5662 p2 = lock_user_string(arg4);
579a97f7 5663 if (!p || !p2)
0da46a6e 5664 ret = -TARGET_EFAULT;
64f0ce4c 5665 else
c0d472b1 5666 ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 5667 unlock_user(p, arg2, 0);
5668 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 5669 }
5670 break;
5671#endif
31e31b8a 5672 case TARGET_NR_unlink:
579a97f7
FB		 5673 if (!(p = lock_user_string(arg1)))
5674 goto efault;
53a5960a
PB		 5675 ret = get_errno(unlink(p));
5676 unlock_user(p, arg1, 0);
31e31b8a 5677 break;
c0d472b1 5678#if defined(TARGET_NR_unlinkat)
8170f56b 5679 case TARGET_NR_unlinkat:
579a97f7
FB		 5680 if (!(p = lock_user_string(arg2)))
5681 goto efault;
c0d472b1 5682 ret = get_errno(unlinkat(arg1, p, arg3));
579a97f7 5683 unlock_user(p, arg2, 0);
ed494d87 5684 break;
b7d35e65 5685#endif
31e31b8a 5686 case TARGET_NR_execve:
7854b056
FB		 5687 {
5688 char **argp, **envp;
f7341ff4 5689 int argc, envc;
992f48a0
BS		 5690 abi_ulong gp;
5691 abi_ulong guest_argp;
5692 abi_ulong guest_envp;
5693 abi_ulong addr;
7854b056 5694 char **q;
a6f79cc9 5695 int total_size = 0;
7854b056 5696
f7341ff4 5697 argc = 0;
53a5960a 5698 guest_argp = arg2;
da94d263 5699 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5700 if (get_user_ual(addr, gp))
2f619698 5701 goto efault;
03aa1976 5702 if (!addr)
2f619698 5703 break;
7854b056 5704 argc++;
2f619698 5705 }
f7341ff4 5706 envc = 0;
53a5960a 5707 guest_envp = arg3;
da94d263 5708 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5709 if (get_user_ual(addr, gp))
2f619698 5710 goto efault;
03aa1976 5711 if (!addr)
2f619698 5712 break;
7854b056 5713 envc++;
2f619698 5714 }
7854b056 5715
f7341ff4
FB		 5716 argp = alloca((argc + 1) * sizeof(void *));
5717 envp = alloca((envc + 1) * sizeof(void *));
7854b056 5718
da94d263 5719 for (gp = guest_argp, q = argp; gp;
992f48a0 5720 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5721 if (get_user_ual(addr, gp))
5722 goto execve_efault;
53a5960a
PB		 5723 if (!addr)
5724 break;
2f619698
FB		 5725 if (!(*q = lock_user_string(addr)))
5726 goto execve_efault;
a6f79cc9 5727 total_size += strlen(*q) + 1;
53a5960a 5728 }
f7341ff4
FB		 5729 *q = NULL;
5730
da94d263 5731 for (gp = guest_envp, q = envp; gp;
992f48a0 5732 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5733 if (get_user_ual(addr, gp))
5734 goto execve_efault;
53a5960a
PB		 5735 if (!addr)
5736 break;
2f619698
FB		 5737 if (!(*q = lock_user_string(addr)))
5738 goto execve_efault;
a6f79cc9 5739 total_size += strlen(*q) + 1;
53a5960a 5740 }
f7341ff4 5741 *q = NULL;
7854b056 5742
a6f79cc9
UH		 5743 /* This case will not be caught by the host's execve() if its
5744 page size is bigger than the target's. */
5745 if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
5746 ret = -TARGET_E2BIG;
5747 goto execve_end;
5748 }
2f619698
FB		 5749 if (!(p = lock_user_string(arg1)))
5750 goto execve_efault;
53a5960a
PB		 5751 ret = get_errno(execve(p, argp, envp));
5752 unlock_user(p, arg1, 0);
5753
2f619698
FB		 5754 goto execve_end;
5755
5756 execve_efault:
5757 ret = -TARGET_EFAULT;
5758
5759 execve_end:
53a5960a 5760 for (gp = guest_argp, q = argp; *q;
992f48a0 5761 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5762 if (get_user_ual(addr, gp)
5763 || !addr)
5764 break;
53a5960a
PB		 5765 unlock_user(*q, addr, 0);
5766 }
5767 for (gp = guest_envp, q = envp; *q;
992f48a0 5768 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5769 if (get_user_ual(addr, gp)
5770 || !addr)
5771 break;
53a5960a
PB		 5772 unlock_user(*q, addr, 0);
5773 }
7854b056 5774 }
31e31b8a
FB		 5775 break;
5776 case TARGET_NR_chdir:
579a97f7
FB		 5777 if (!(p = lock_user_string(arg1)))
5778 goto efault;
53a5960a
PB		 5779 ret = get_errno(chdir(p));
5780 unlock_user(p, arg1, 0);
31e31b8a 5781 break;
a315a145 5782#ifdef TARGET_NR_time
31e31b8a
FB		 5783 case TARGET_NR_time:
5784 {
53a5960a
PB		 5785 time_t host_time;
5786 ret = get_errno(time(&host_time));
2f619698
FB		 5787 if (!is_error(ret)
5788 && arg1
5789 && put_user_sal(host_time, arg1))
5790 goto efault;
31e31b8a
FB		 5791 }
5792 break;
a315a145 5793#endif
31e31b8a 5794 case TARGET_NR_mknod:
579a97f7
FB		 5795 if (!(p = lock_user_string(arg1)))
5796 goto efault;
53a5960a
PB		 5797 ret = get_errno(mknod(p, arg2, arg3));
5798 unlock_user(p, arg1, 0);
31e31b8a 5799 break;
c0d472b1 5800#if defined(TARGET_NR_mknodat)
75ac37a0 5801 case TARGET_NR_mknodat:
579a97f7
FB		 5802 if (!(p = lock_user_string(arg2)))
5803 goto efault;
c0d472b1 5804 ret = get_errno(mknodat(arg1, p, arg3, arg4));
579a97f7 5805 unlock_user(p, arg2, 0);
75ac37a0
TS		 5806 break;
5807#endif
31e31b8a 5808 case TARGET_NR_chmod:
579a97f7
FB		 5809 if (!(p = lock_user_string(arg1)))
5810 goto efault;
53a5960a
PB		 5811 ret = get_errno(chmod(p, arg2));
5812 unlock_user(p, arg1, 0);
31e31b8a 5813 break;
ebc05488 5814#ifdef TARGET_NR_break
31e31b8a
FB		 5815 case TARGET_NR_break:
5816 goto unimplemented;
ebc05488
FB		 5817#endif
5818#ifdef TARGET_NR_oldstat
31e31b8a
FB		 5819 case TARGET_NR_oldstat:
5820 goto unimplemented;
ebc05488 5821#endif
31e31b8a
FB		 5822 case TARGET_NR_lseek:
5823 ret = get_errno(lseek(arg1, arg2, arg3));
5824 break;
9231733a
RH		 5825#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5826 /* Alpha specific */
7a3148a9 5827 case TARGET_NR_getxpid:
9231733a
RH		 5828 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
5829 ret = get_errno(getpid());
5830 break;
7a3148a9 5831#endif
9231733a
RH		 5832#ifdef TARGET_NR_getpid
5833 case TARGET_NR_getpid:
31e31b8a
FB		 5834 ret = get_errno(getpid());
5835 break;
9231733a 5836#endif
31e31b8a 5837 case TARGET_NR_mount:
356d771b
PB		 5838 {
5839 /* need to look at the data field */
5840 void *p2, *p3;
5841
5842 if (arg1) {
5843 p = lock_user_string(arg1);
5844 if (!p) {
5845 goto efault;
5846 }
5847 } else {
5848 p = NULL;
5849 }
5850
5851 p2 = lock_user_string(arg2);
5852 if (!p2) {
5853 if (arg1) {
5854 unlock_user(p, arg1, 0);
5855 }
5856 goto efault;
5857 }
5858
5859 if (arg3) {
5860 p3 = lock_user_string(arg3);
5861 if (!p3) {
5862 if (arg1) {
579a97f7 5863 unlock_user(p, arg1, 0);
356d771b
PB		 5864 }
5865 unlock_user(p2, arg2, 0);
5866 goto efault;
5867 }
5868 } else {
5869 p3 = NULL;
5870 }
5871
5872 /* FIXME - arg5 should be locked, but it isn't clear how to
5873 * do that since it's not guaranteed to be a NULL-terminated
5874 * string.
5875 */
5876 if (!arg5) {
5877 ret = mount(p, p2, p3, (unsigned long)arg4, NULL);
5878 } else {
5879 ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5));
5880 }
5881 ret = get_errno(ret);
5882
5883 if (arg1) {
5884 unlock_user(p, arg1, 0);
5885 }
5886 unlock_user(p2, arg2, 0);
5887 if (arg3) {
5888 unlock_user(p3, arg3, 0);
5889 }
5890 }
5891 break;
e5febef5 5892#ifdef TARGET_NR_umount
31e31b8a 5893 case TARGET_NR_umount:
579a97f7
FB		 5894 if (!(p = lock_user_string(arg1)))
5895 goto efault;
53a5960a
PB		 5896 ret = get_errno(umount(p));
5897 unlock_user(p, arg1, 0);
31e31b8a 5898 break;
e5febef5 5899#endif
7a3148a9 5900#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 5901 case TARGET_NR_stime:
5902 {
53a5960a 5903 time_t host_time;
2f619698
FB		 5904 if (get_user_sal(host_time, arg1))
5905 goto efault;
53a5960a 5906 ret = get_errno(stime(&host_time));
31e31b8a
FB		 5907 }
5908 break;
7a3148a9 5909#endif
31e31b8a
FB		 5910 case TARGET_NR_ptrace:
5911 goto unimplemented;
7a3148a9 5912#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 5913 case TARGET_NR_alarm:
5914 ret = alarm(arg1);
5915 break;
7a3148a9 5916#endif
ebc05488 5917#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 5918 case TARGET_NR_oldfstat:
5919 goto unimplemented;
ebc05488 5920#endif
7a3148a9 5921#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 5922 case TARGET_NR_pause:
5923 ret = get_errno(pause());
5924 break;
7a3148a9 5925#endif
e5febef5 5926#ifdef TARGET_NR_utime
31e31b8a 5927 case TARGET_NR_utime:
ebc05488 5928 {
53a5960a
PB		 5929 struct utimbuf tbuf, *host_tbuf;
5930 struct target_utimbuf *target_tbuf;
5931 if (arg2) {
579a97f7
FB		 5932 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
5933 goto efault;
cbb21eed
MB		 5934 tbuf.actime = tswapal(target_tbuf->actime);
5935 tbuf.modtime = tswapal(target_tbuf->modtime);
53a5960a
PB		 5936 unlock_user_struct(target_tbuf, arg2, 0);
5937 host_tbuf = &tbuf;
f72e8ff4 5938 } else {
53a5960a 5939 host_tbuf = NULL;
f72e8ff4 5940 }
579a97f7
FB		 5941 if (!(p = lock_user_string(arg1)))
5942 goto efault;
53a5960a
PB		 5943 ret = get_errno(utime(p, host_tbuf));
5944 unlock_user(p, arg1, 0);
ebc05488
FB		 5945 }
5946 break;
e5febef5 5947#endif
978a66ff
FB		 5948 case TARGET_NR_utimes:
5949 {
978a66ff 5950 struct timeval *tvp, tv[2];
53a5960a 5951 if (arg2) {
788f5ec4
TS		 5952 if (copy_from_user_timeval(&tv[0], arg2)
5953 || copy_from_user_timeval(&tv[1],
5954 arg2 + sizeof(struct target_timeval)))
5955 goto efault;
978a66ff
FB		 5956 tvp = tv;
5957 } else {
5958 tvp = NULL;
5959 }
579a97f7
FB		 5960 if (!(p = lock_user_string(arg1)))
5961 goto efault;
53a5960a
PB		 5962 ret = get_errno(utimes(p, tvp));
5963 unlock_user(p, arg1, 0);
978a66ff
FB		 5964 }
5965 break;
c0d472b1 5966#if defined(TARGET_NR_futimesat)
ac8a6556
AZ		 5967 case TARGET_NR_futimesat:
5968 {
5969 struct timeval *tvp, tv[2];
5970 if (arg3) {
5971 if (copy_from_user_timeval(&tv[0], arg3)
5972 || copy_from_user_timeval(&tv[1],
5973 arg3 + sizeof(struct target_timeval)))
5974 goto efault;
5975 tvp = tv;
5976 } else {
5977 tvp = NULL;
5978 }
5979 if (!(p = lock_user_string(arg2)))
5980 goto efault;
c0d472b1 5981 ret = get_errno(futimesat(arg1, path(p), tvp));
ac8a6556
AZ		 5982 unlock_user(p, arg2, 0);
5983 }
5984 break;
5985#endif
ebc05488 5986#ifdef TARGET_NR_stty
31e31b8a
FB		 5987 case TARGET_NR_stty:
5988 goto unimplemented;
ebc05488
FB		 5989#endif
5990#ifdef TARGET_NR_gtty
31e31b8a
FB		 5991 case TARGET_NR_gtty:
5992 goto unimplemented;
ebc05488 5993#endif
31e31b8a 5994 case TARGET_NR_access:
579a97f7
FB		 5995 if (!(p = lock_user_string(arg1)))
5996 goto efault;
719f908e 5997 ret = get_errno(access(path(p), arg2));
53a5960a 5998 unlock_user(p, arg1, 0);
31e31b8a 5999 break;
92a34c10
TS		 6000#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
6001 case TARGET_NR_faccessat:
579a97f7
FB		 6002 if (!(p = lock_user_string(arg2)))
6003 goto efault;
c0d472b1 6004 ret = get_errno(faccessat(arg1, p, arg3, 0));
579a97f7 6005 unlock_user(p, arg2, 0);
92a34c10
TS		 6006 break;
6007#endif
7a3148a9 6008#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 6009 case TARGET_NR_nice:
6010 ret = get_errno(nice(arg1));
6011 break;
7a3148a9 6012#endif
ebc05488 6013#ifdef TARGET_NR_ftime
31e31b8a
FB		 6014 case TARGET_NR_ftime:
6015 goto unimplemented;
ebc05488 6016#endif
31e31b8a 6017 case TARGET_NR_sync:
04369ff2
FB		 6018 sync();
6019 ret = 0;
31e31b8a
FB		 6020 break;
6021 case TARGET_NR_kill:
4cb05961 6022 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 6023 break;
6024 case TARGET_NR_rename:
53a5960a
PB		 6025 {
6026 void *p2;
6027 p = lock_user_string(arg1);
6028 p2 = lock_user_string(arg2);
579a97f7
FB		 6029 if (!p || !p2)
6030 ret = -TARGET_EFAULT;
6031 else
6032 ret = get_errno(rename(p, p2));
53a5960a
PB		 6033 unlock_user(p2, arg2, 0);
6034 unlock_user(p, arg1, 0);
6035 }
31e31b8a 6036 break;
c0d472b1 6037#if defined(TARGET_NR_renameat)
722183f6 6038 case TARGET_NR_renameat:
722183f6 6039 {
579a97f7 6040 void *p2;
722183f6
TS		 6041 p = lock_user_string(arg2);
6042 p2 = lock_user_string(arg4);
579a97f7 6043 if (!p || !p2)
0da46a6e 6044 ret = -TARGET_EFAULT;
722183f6 6045 else
c0d472b1 6046 ret = get_errno(renameat(arg1, p, arg3, p2));
579a97f7
FB		 6047 unlock_user(p2, arg4, 0);
6048 unlock_user(p, arg2, 0);
722183f6
TS		 6049 }
6050 break;
6051#endif
31e31b8a 6052 case TARGET_NR_mkdir:
579a97f7
FB		 6053 if (!(p = lock_user_string(arg1)))
6054 goto efault;
53a5960a
PB		 6055 ret = get_errno(mkdir(p, arg2));
6056 unlock_user(p, arg1, 0);
31e31b8a 6057 break;
c0d472b1 6058#if defined(TARGET_NR_mkdirat)
4472ad0d 6059 case TARGET_NR_mkdirat:
579a97f7
FB		 6060 if (!(p = lock_user_string(arg2)))
6061 goto efault;
c0d472b1 6062 ret = get_errno(mkdirat(arg1, p, arg3));
579a97f7 6063 unlock_user(p, arg2, 0);
4472ad0d
TS		 6064 break;
6065#endif
31e31b8a 6066 case TARGET_NR_rmdir:
579a97f7
FB		 6067 if (!(p = lock_user_string(arg1)))
6068 goto efault;
53a5960a
PB		 6069 ret = get_errno(rmdir(p));
6070 unlock_user(p, arg1, 0);
31e31b8a
FB		 6071 break;
6072 case TARGET_NR_dup:
6073 ret = get_errno(dup(arg1));
6074 break;
6075 case TARGET_NR_pipe:
fb41a66e 6076 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f
RV		 6077 break;
6078#ifdef TARGET_NR_pipe2
6079 case TARGET_NR_pipe2:
e7ea6cbe
RH		 6080 ret = do_pipe(cpu_env, arg1,
6081 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
31e31b8a 6082 break;
099d6b0f 6083#endif
31e31b8a 6084 case TARGET_NR_times:
32f36bce 6085 {
53a5960a 6086 struct target_tms *tmsp;
32f36bce
FB		 6087 struct tms tms;
6088 ret = get_errno(times(&tms));
53a5960a 6089 if (arg1) {
579a97f7
FB		 6090 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
6091 if (!tmsp)
6092 goto efault;
cbb21eed
MB		 6093 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
6094 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
6095 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
6096 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
32f36bce 6097 }
c596ed17
FB		 6098 if (!is_error(ret))
6099 ret = host_to_target_clock_t(ret);
32f36bce
FB		 6100 }
6101 break;
ebc05488 6102#ifdef TARGET_NR_prof
31e31b8a
FB		 6103 case TARGET_NR_prof:
6104 goto unimplemented;
ebc05488 6105#endif
e5febef5 6106#ifdef TARGET_NR_signal
31e31b8a
FB		 6107 case TARGET_NR_signal:
6108 goto unimplemented;
e5febef5 6109#endif
31e31b8a 6110 case TARGET_NR_acct:
38d840e6
AJ		 6111 if (arg1 == 0) {
6112 ret = get_errno(acct(NULL));
6113 } else {
6114 if (!(p = lock_user_string(arg1)))
6115 goto efault;
6116 ret = get_errno(acct(path(p)));
6117 unlock_user(p, arg1, 0);
6118 }
24836689 6119 break;
8070e7be 6120#ifdef TARGET_NR_umount2
31e31b8a 6121 case TARGET_NR_umount2:
579a97f7
FB		 6122 if (!(p = lock_user_string(arg1)))
6123 goto efault;
53a5960a
PB		 6124 ret = get_errno(umount2(p, arg2));
6125 unlock_user(p, arg1, 0);
31e31b8a 6126 break;
7a3148a9 6127#endif
ebc05488 6128#ifdef TARGET_NR_lock
31e31b8a
FB		 6129 case TARGET_NR_lock:
6130 goto unimplemented;
ebc05488 6131#endif
31e31b8a
FB		 6132 case TARGET_NR_ioctl:
6133 ret = do_ioctl(arg1, arg2, arg3);
6134 break;
6135 case TARGET_NR_fcntl:
9ee1fa2c 6136 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 6137 break;
ebc05488 6138#ifdef TARGET_NR_mpx
31e31b8a
FB		 6139 case TARGET_NR_mpx:
6140 goto unimplemented;
ebc05488 6141#endif
31e31b8a
FB		 6142 case TARGET_NR_setpgid:
6143 ret = get_errno(setpgid(arg1, arg2));
6144 break;
ebc05488 6145#ifdef TARGET_NR_ulimit
31e31b8a
FB		 6146 case TARGET_NR_ulimit:
6147 goto unimplemented;
ebc05488
FB		 6148#endif
6149#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 6150 case TARGET_NR_oldolduname:
6151 goto unimplemented;
ebc05488 6152#endif
31e31b8a
FB		 6153 case TARGET_NR_umask:
6154 ret = get_errno(umask(arg1));
6155 break;
6156 case TARGET_NR_chroot:
579a97f7
FB		 6157 if (!(p = lock_user_string(arg1)))
6158 goto efault;
53a5960a
PB		 6159 ret = get_errno(chroot(p));
6160 unlock_user(p, arg1, 0);
31e31b8a
FB		 6161 break;
6162 case TARGET_NR_ustat:
6163 goto unimplemented;
6164 case TARGET_NR_dup2:
6165 ret = get_errno(dup2(arg1, arg2));
6166 break;
d0927938
UH		 6167#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
6168 case TARGET_NR_dup3:
6169 ret = get_errno(dup3(arg1, arg2, arg3));
6170 break;
6171#endif
7a3148a9 6172#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 6173 case TARGET_NR_getppid:
6174 ret = get_errno(getppid());
6175 break;
7a3148a9 6176#endif
31e31b8a
FB		 6177 case TARGET_NR_getpgrp:
6178 ret = get_errno(getpgrp());
6179 break;
6180 case TARGET_NR_setsid:
6181 ret = get_errno(setsid());
6182 break;
e5febef5 6183#ifdef TARGET_NR_sigaction
31e31b8a 6184 case TARGET_NR_sigaction:
31e31b8a 6185 {
6049f4f8
RH		 6186#if defined(TARGET_ALPHA)
6187 struct target_sigaction act, oact, *pact = 0;
53a5960a 6188 struct target_old_sigaction *old_act;
53a5960a 6189 if (arg2) {
579a97f7
FB		 6190 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
6191 goto efault;
66fb9763
FB		 6192 act._sa_handler = old_act->_sa_handler;
6193 target_siginitset(&act.sa_mask, old_act->sa_mask);
6194 act.sa_flags = old_act->sa_flags;
6049f4f8 6195 act.sa_restorer = 0;
53a5960a 6196 unlock_user_struct(old_act, arg2, 0);
66fb9763 6197 pact = &act;
66fb9763
FB		 6198 }
6199 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 6200 if (!is_error(ret) && arg3) {
579a97f7
FB		 6201 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
6202 goto efault;
53a5960a
PB		 6203 old_act->_sa_handler = oact._sa_handler;
6204 old_act->sa_mask = oact.sa_mask.sig[0];
6205 old_act->sa_flags = oact.sa_flags;
53a5960a 6206 unlock_user_struct(old_act, arg3, 1);
66fb9763 6207 }
6049f4f8 6208#elif defined(TARGET_MIPS)
106ec879
FB		 6209 struct target_sigaction act, oact, *pact, *old_act;
6210
6211 if (arg2) {
579a97f7
FB		 6212 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
6213 goto efault;
106ec879
FB		 6214 act._sa_handler = old_act->_sa_handler;
6215 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
6216 act.sa_flags = old_act->sa_flags;
6217 unlock_user_struct(old_act, arg2, 0);
6218 pact = &act;
6219 } else {
6220 pact = NULL;
6221 }
6222
6223 ret = get_errno(do_sigaction(arg1, pact, &oact));
6224
6225 if (!is_error(ret) && arg3) {
579a97f7
FB		 6226 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
6227 goto efault;
106ec879
FB		 6228 old_act->_sa_handler = oact._sa_handler;
6229 old_act->sa_flags = oact.sa_flags;
6230 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
6231 old_act->sa_mask.sig[1] = 0;
6232 old_act->sa_mask.sig[2] = 0;
6233 old_act->sa_mask.sig[3] = 0;
6234 unlock_user_struct(old_act, arg3, 1);
6235 }
6049f4f8
RH		 6236#else
6237 struct target_old_sigaction *old_act;
6238 struct target_sigaction act, oact, *pact;
6239 if (arg2) {
6240 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
6241 goto efault;
6242 act._sa_handler = old_act->_sa_handler;
6243 target_siginitset(&act.sa_mask, old_act->sa_mask);
6244 act.sa_flags = old_act->sa_flags;
6245 act.sa_restorer = old_act->sa_restorer;
6246 unlock_user_struct(old_act, arg2, 0);
6247 pact = &act;
6248 } else {
6249 pact = NULL;
6250 }
6251 ret = get_errno(do_sigaction(arg1, pact, &oact));
6252 if (!is_error(ret) && arg3) {
6253 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
6254 goto efault;
6255 old_act->_sa_handler = oact._sa_handler;
6256 old_act->sa_mask = oact.sa_mask.sig[0];
6257 old_act->sa_flags = oact.sa_flags;
6258 old_act->sa_restorer = oact.sa_restorer;
6259 unlock_user_struct(old_act, arg3, 1);
6260 }
388bb21a 6261#endif
31e31b8a
FB		 6262 }
6263 break;
e5febef5 6264#endif
66fb9763 6265 case TARGET_NR_rt_sigaction:
53a5960a 6266 {
6049f4f8
RH		 6267#if defined(TARGET_ALPHA)
6268 struct target_sigaction act, oact, *pact = 0;
6269 struct target_rt_sigaction *rt_act;
6270 /* ??? arg4 == sizeof(sigset_t). */
6271 if (arg2) {
6272 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
6273 goto efault;
6274 act._sa_handler = rt_act->_sa_handler;
6275 act.sa_mask = rt_act->sa_mask;
6276 act.sa_flags = rt_act->sa_flags;
6277 act.sa_restorer = arg5;
6278 unlock_user_struct(rt_act, arg2, 0);
6279 pact = &act;
6280 }
6281 ret = get_errno(do_sigaction(arg1, pact, &oact));
6282 if (!is_error(ret) && arg3) {
6283 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
6284 goto efault;
6285 rt_act->_sa_handler = oact._sa_handler;
6286 rt_act->sa_mask = oact.sa_mask;
6287 rt_act->sa_flags = oact.sa_flags;
6288 unlock_user_struct(rt_act, arg3, 1);
6289 }
6290#else
53a5960a
PB		 6291 struct target_sigaction *act;
6292 struct target_sigaction *oact;
6293
579a97f7
FB		 6294 if (arg2) {
6295 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
6296 goto efault;
6297 } else
53a5960a 6298 act = NULL;
579a97f7
FB		 6299 if (arg3) {
6300 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
6301 ret = -TARGET_EFAULT;
6302 goto rt_sigaction_fail;
6303 }
6304 } else
53a5960a
PB		 6305 oact = NULL;
6306 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 6307 rt_sigaction_fail:
6308 if (act)
53a5960a 6309 unlock_user_struct(act, arg2, 0);
579a97f7 6310 if (oact)
53a5960a 6311 unlock_user_struct(oact, arg3, 1);
6049f4f8 6312#endif
53a5960a 6313 }
66fb9763 6314 break;
7a3148a9 6315#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 6316 case TARGET_NR_sgetmask:
66fb9763
FB		 6317 {
6318 sigset_t cur_set;
992f48a0 6319 abi_ulong target_set;
1c275925 6320 do_sigprocmask(0, NULL, &cur_set);
66fb9763
FB		 6321 host_to_target_old_sigset(&target_set, &cur_set);
6322 ret = target_set;
6323 }
6324 break;
7a3148a9
JM		 6325#endif
6326#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 6327 case TARGET_NR_ssetmask:
66fb9763
FB		 6328 {
6329 sigset_t set, oset, cur_set;
992f48a0 6330 abi_ulong target_set = arg1;
1c275925 6331 do_sigprocmask(0, NULL, &cur_set);
66fb9763
FB		 6332 target_to_host_old_sigset(&set, &target_set);
6333 sigorset(&set, &set, &cur_set);
1c275925 6334 do_sigprocmask(SIG_SETMASK, &set, &oset);
66fb9763
FB		 6335 host_to_target_old_sigset(&target_set, &oset);
6336 ret = target_set;
6337 }
6338 break;
7a3148a9 6339#endif
e5febef5 6340#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 6341 case TARGET_NR_sigprocmask:
6342 {
a5b3b13b
RH		 6343#if defined(TARGET_ALPHA)
6344 sigset_t set, oldset;
6345 abi_ulong mask;
6346 int how;
6347
6348 switch (arg1) {
6349 case TARGET_SIG_BLOCK:
6350 how = SIG_BLOCK;
6351 break;
6352 case TARGET_SIG_UNBLOCK:
6353 how = SIG_UNBLOCK;
6354 break;
6355 case TARGET_SIG_SETMASK:
6356 how = SIG_SETMASK;
6357 break;
6358 default:
6359 ret = -TARGET_EINVAL;
6360 goto fail;
6361 }
6362 mask = arg2;
6363 target_to_host_old_sigset(&set, &mask);
6364
1c275925 6365 ret = get_errno(do_sigprocmask(how, &set, &oldset));
a5b3b13b
RH		 6366 if (!is_error(ret)) {
6367 host_to_target_old_sigset(&mask, &oldset);
6368 ret = mask;
0229f5a3 6369 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */
a5b3b13b
RH		 6370 }
6371#else
66fb9763 6372 sigset_t set, oldset, *set_ptr;
a5b3b13b 6373 int how;
3b46e624 6374
53a5960a 6375 if (arg2) {
a5b3b13b 6376 switch (arg1) {
66fb9763
FB		 6377 case TARGET_SIG_BLOCK:
6378 how = SIG_BLOCK;
6379 break;
6380 case TARGET_SIG_UNBLOCK:
6381 how = SIG_UNBLOCK;
6382 break;
6383 case TARGET_SIG_SETMASK:
6384 how = SIG_SETMASK;
6385 break;
6386 default:
0da46a6e 6387 ret = -TARGET_EINVAL;
66fb9763
FB		 6388 goto fail;
6389 }
c227f099 6390 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 6391 goto efault;
53a5960a
PB		 6392 target_to_host_old_sigset(&set, p);
6393 unlock_user(p, arg2, 0);
66fb9763
FB		 6394 set_ptr = &set;
6395 } else {
6396 how = 0;
6397 set_ptr = NULL;
6398 }
1c275925 6399 ret = get_errno(do_sigprocmask(how, set_ptr, &oldset));
53a5960a 6400 if (!is_error(ret) && arg3) {
c227f099 6401 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6402 goto efault;
53a5960a 6403 host_to_target_old_sigset(p, &oldset);
c227f099 6404 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 6405 }
a5b3b13b 6406#endif
66fb9763
FB		 6407 }
6408 break;
e5febef5 6409#endif
66fb9763
FB		 6410 case TARGET_NR_rt_sigprocmask:
6411 {
6412 int how = arg1;
6413 sigset_t set, oldset, *set_ptr;
3b46e624 6414
53a5960a 6415 if (arg2) {
66fb9763
FB		 6416 switch(how) {
6417 case TARGET_SIG_BLOCK:
6418 how = SIG_BLOCK;
6419 break;
6420 case TARGET_SIG_UNBLOCK:
6421 how = SIG_UNBLOCK;
6422 break;
6423 case TARGET_SIG_SETMASK:
6424 how = SIG_SETMASK;
6425 break;
6426 default:
0da46a6e 6427 ret = -TARGET_EINVAL;
66fb9763
FB		 6428 goto fail;
6429 }
c227f099 6430 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 6431 goto efault;
53a5960a
PB		 6432 target_to_host_sigset(&set, p);
6433 unlock_user(p, arg2, 0);
66fb9763
FB		 6434 set_ptr = &set;
6435 } else {
6436 how = 0;
6437 set_ptr = NULL;
6438 }
1c275925 6439 ret = get_errno(do_sigprocmask(how, set_ptr, &oldset));
53a5960a 6440 if (!is_error(ret) && arg3) {
c227f099 6441 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6442 goto efault;
53a5960a 6443 host_to_target_sigset(p, &oldset);
c227f099 6444 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 6445 }
6446 }
6447 break;
e5febef5 6448#ifdef TARGET_NR_sigpending
66fb9763
FB		 6449 case TARGET_NR_sigpending:
6450 {
6451 sigset_t set;
6452 ret = get_errno(sigpending(&set));
6453 if (!is_error(ret)) {
c227f099 6454 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6455 goto efault;
53a5960a 6456 host_to_target_old_sigset(p, &set);
c227f099 6457 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6458 }
6459 }
6460 break;
e5febef5 6461#endif
66fb9763
FB		 6462 case TARGET_NR_rt_sigpending:
6463 {
6464 sigset_t set;
6465 ret = get_errno(sigpending(&set));
6466 if (!is_error(ret)) {
c227f099 6467 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6468 goto efault;
53a5960a 6469 host_to_target_sigset(p, &set);
c227f099 6470 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6471 }
6472 }
6473 break;
e5febef5 6474#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 6475 case TARGET_NR_sigsuspend:
6476 {
6477 sigset_t set;
f43ce12b
RH		 6478#if defined(TARGET_ALPHA)
6479 abi_ulong mask = arg1;
6480 target_to_host_old_sigset(&set, &mask);
6481#else
c227f099 6482 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6483 goto efault;
53a5960a
PB		 6484 target_to_host_old_sigset(&set, p);
6485 unlock_user(p, arg1, 0);
f43ce12b 6486#endif
66fb9763
FB		 6487 ret = get_errno(sigsuspend(&set));
6488 }
6489 break;
e5febef5 6490#endif
66fb9763
FB		 6491 case TARGET_NR_rt_sigsuspend:
6492 {
6493 sigset_t set;
c227f099 6494 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6495 goto efault;
53a5960a
PB		 6496 target_to_host_sigset(&set, p);
6497 unlock_user(p, arg1, 0);
66fb9763
FB		 6498 ret = get_errno(sigsuspend(&set));
6499 }
6500 break;
6501 case TARGET_NR_rt_sigtimedwait:
6502 {
66fb9763
FB		 6503 sigset_t set;
6504 struct timespec uts, *puts;
6505 siginfo_t uinfo;
3b46e624 6506
c227f099 6507 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6508 goto efault;
53a5960a
PB		 6509 target_to_host_sigset(&set, p);
6510 unlock_user(p, arg1, 0);
6511 if (arg3) {
66fb9763 6512 puts = &uts;
53a5960a 6513 target_to_host_timespec(puts, arg3);
66fb9763
FB		 6514 } else {
6515 puts = NULL;
6516 }
6517 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
974a196d
PJ		 6518 if (!is_error(ret)) {
6519 if (arg2) {
6520 p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
6521 0);
6522 if (!p) {
6523 goto efault;
6524 }
6525 host_to_target_siginfo(p, &uinfo);
6526 unlock_user(p, arg2, sizeof(target_siginfo_t));
6527 }
6528 ret = host_to_target_signal(ret);
66fb9763
FB		 6529 }
6530 }
6531 break;
6532 case TARGET_NR_rt_sigqueueinfo:
6533 {
6534 siginfo_t uinfo;
c227f099 6535 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 6536 goto efault;
53a5960a
PB		 6537 target_to_host_siginfo(&uinfo, p);
6538 unlock_user(p, arg1, 0);
66fb9763
FB		 6539 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
6540 }
6541 break;
e5febef5 6542#ifdef TARGET_NR_sigreturn
66fb9763
FB		 6543 case TARGET_NR_sigreturn:
6544 /* NOTE: ret is eax, so not transcoding must be done */
6545 ret = do_sigreturn(cpu_env);
6546 break;
e5febef5 6547#endif
66fb9763
FB		 6548 case TARGET_NR_rt_sigreturn:
6549 /* NOTE: ret is eax, so not transcoding must be done */
6550 ret = do_rt_sigreturn(cpu_env);
6551 break;
31e31b8a 6552 case TARGET_NR_sethostname:
579a97f7
FB		 6553 if (!(p = lock_user_string(arg1)))
6554 goto efault;
53a5960a
PB		 6555 ret = get_errno(sethostname(p, arg2));
6556 unlock_user(p, arg1, 0);
31e31b8a
FB		 6557 break;
6558 case TARGET_NR_setrlimit:
9de5e440 6559 {
e22b7015 6560 int resource = target_to_host_resource(arg1);
53a5960a 6561 struct target_rlimit *target_rlim;
9de5e440 6562 struct rlimit rlim;
579a97f7
FB		 6563 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
6564 goto efault;
81bbe906
TY		 6565 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
6566 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 6567 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 6568 ret = get_errno(setrlimit(resource, &rlim));
6569 }
6570 break;
31e31b8a 6571 case TARGET_NR_getrlimit:
9de5e440 6572 {
e22b7015 6573 int resource = target_to_host_resource(arg1);
53a5960a 6574 struct target_rlimit *target_rlim;
9de5e440 6575 struct rlimit rlim;
3b46e624 6576
9de5e440
FB		 6577 ret = get_errno(getrlimit(resource, &rlim));
6578 if (!is_error(ret)) {
579a97f7
FB		 6579 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6580 goto efault;
81bbe906
TY		 6581 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6582 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 6583 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 6584 }
6585 }
6586 break;
31e31b8a 6587 case TARGET_NR_getrusage:
b409186b
FB		 6588 {
6589 struct rusage rusage;
b409186b
FB		 6590 ret = get_errno(getrusage(arg1, &rusage));
6591 if (!is_error(ret)) {
a39fb273 6592 ret = host_to_target_rusage(arg2, &rusage);
b409186b
FB		 6593 }
6594 }
6595 break;
31e31b8a
FB		 6596 case TARGET_NR_gettimeofday:
6597 {
31e31b8a
FB		 6598 struct timeval tv;
6599 ret = get_errno(gettimeofday(&tv, NULL));
6600 if (!is_error(ret)) {
788f5ec4
TS		 6601 if (copy_to_user_timeval(arg1, &tv))
6602 goto efault;
31e31b8a
FB		 6603 }
6604 }
6605 break;
6606 case TARGET_NR_settimeofday:
6607 {
b67d8031 6608 struct timeval tv, *ptv = NULL;
ef4467e9
PB		 6609 struct timezone tz, *ptz = NULL;
6610
b67d8031
PB		 6611 if (arg1) {
6612 if (copy_from_user_timeval(&tv, arg1)) {
6613 goto efault;
6614 }
6615 ptv = &tv;
6616 }
ef4467e9
PB		 6617
6618 if (arg2) {
6619 if (copy_from_user_timezone(&tz, arg2)) {
6620 goto efault;
6621 }
6622 ptz = &tz;
6623 }
6624
b67d8031 6625 ret = get_errno(settimeofday(ptv, ptz));
31e31b8a
FB		 6626 }
6627 break;
9468a5d4 6628#if defined(TARGET_NR_select)
31e31b8a 6629 case TARGET_NR_select:
9468a5d4
LV		 6630#if defined(TARGET_S390X) || defined(TARGET_ALPHA)
6631 ret = do_select(arg1, arg2, arg3, arg4, arg5);
6632#else
f2674e31 6633 {
53a5960a 6634 struct target_sel_arg_struct *sel;
992f48a0 6635 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 6636 long nsel;
6637
579a97f7
FB		 6638 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
6639 goto efault;
cbb21eed
MB		 6640 nsel = tswapal(sel->n);
6641 inp = tswapal(sel->inp);
6642 outp = tswapal(sel->outp);
6643 exp = tswapal(sel->exp);
6644 tvp = tswapal(sel->tvp);
53a5960a
PB		 6645 unlock_user_struct(sel, arg1, 0);
6646 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31 6647 }
9468a5d4 6648#endif
f2674e31 6649 break;
9e42382f
RV		 6650#endif
6651#ifdef TARGET_NR_pselect6
6652 case TARGET_NR_pselect6:
055e0906
MF		 6653 {
6654 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
6655 fd_set rfds, wfds, efds;
6656 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
6657 struct timespec ts, *ts_ptr;
6658
6659 /*
6660 * The 6th arg is actually two args smashed together,
6661 * so we cannot use the C library.
6662 */
6663 sigset_t set;
6664 struct {
6665 sigset_t *set;
6666 size_t size;
6667 } sig, *sig_ptr;
6668
6669 abi_ulong arg_sigset, arg_sigsize, *arg7;
6670 target_sigset_t *target_sigset;
6671
6672 n = arg1;
6673 rfd_addr = arg2;
6674 wfd_addr = arg3;
6675 efd_addr = arg4;
6676 ts_addr = arg5;
6677
6678 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
6679 if (ret) {
6680 goto fail;
6681 }
6682 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
6683 if (ret) {
6684 goto fail;
6685 }
6686 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
6687 if (ret) {
6688 goto fail;
6689 }
6690
6691 /*
6692 * This takes a timespec, and not a timeval, so we cannot
6693 * use the do_select() helper ...
6694 */
6695 if (ts_addr) {
6696 if (target_to_host_timespec(&ts, ts_addr)) {
6697 goto efault;
6698 }
6699 ts_ptr = &ts;
6700 } else {
6701 ts_ptr = NULL;
6702 }
6703
6704 /* Extract the two packed args for the sigset */
6705 if (arg6) {
6706 sig_ptr = &sig;
6707 sig.size = _NSIG / 8;
6708
6709 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
6710 if (!arg7) {
6711 goto efault;
6712 }
cbb21eed
MB		 6713 arg_sigset = tswapal(arg7[0]);
6714 arg_sigsize = tswapal(arg7[1]);
055e0906
MF		 6715 unlock_user(arg7, arg6, 0);
6716
6717 if (arg_sigset) {
6718 sig.set = &set;
8f04eeb3
PM		 6719 if (arg_sigsize != sizeof(*target_sigset)) {
6720 /* Like the kernel, we enforce correct size sigsets */
6721 ret = -TARGET_EINVAL;
6722 goto fail;
6723 }
055e0906
MF		 6724 target_sigset = lock_user(VERIFY_READ, arg_sigset,
6725 sizeof(*target_sigset), 1);
6726 if (!target_sigset) {
6727 goto efault;
6728 }
6729 target_to_host_sigset(&set, target_sigset);
6730 unlock_user(target_sigset, arg_sigset, 0);
6731 } else {
6732 sig.set = NULL;
6733 }
6734 } else {
6735 sig_ptr = NULL;
6736 }
6737
6738 ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
6739 ts_ptr, sig_ptr));
6740
6741 if (!is_error(ret)) {
6742 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
6743 goto efault;
6744 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
6745 goto efault;
6746 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
6747 goto efault;
6748
6749 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
6750 goto efault;
6751 }
6752 }
6753 break;
048f6b4d 6754#endif
31e31b8a 6755 case TARGET_NR_symlink:
53a5960a
PB		 6756 {
6757 void *p2;
6758 p = lock_user_string(arg1);
6759 p2 = lock_user_string(arg2);
579a97f7
FB		 6760 if (!p || !p2)
6761 ret = -TARGET_EFAULT;
6762 else
6763 ret = get_errno(symlink(p, p2));
53a5960a
PB		 6764 unlock_user(p2, arg2, 0);
6765 unlock_user(p, arg1, 0);
6766 }
31e31b8a 6767 break;
c0d472b1 6768#if defined(TARGET_NR_symlinkat)
f0b6243d 6769 case TARGET_NR_symlinkat:
f0b6243d 6770 {
579a97f7 6771 void *p2;
f0b6243d
TS		 6772 p = lock_user_string(arg1);
6773 p2 = lock_user_string(arg3);
579a97f7 6774 if (!p || !p2)
0da46a6e 6775 ret = -TARGET_EFAULT;
f0b6243d 6776 else
c0d472b1 6777 ret = get_errno(symlinkat(p, arg2, p2));
579a97f7
FB		 6778 unlock_user(p2, arg3, 0);
6779 unlock_user(p, arg1, 0);
f0b6243d
TS		 6780 }
6781 break;
6782#endif
ebc05488 6783#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 6784 case TARGET_NR_oldlstat:
6785 goto unimplemented;
ebc05488 6786#endif
31e31b8a 6787 case TARGET_NR_readlink:
53a5960a 6788 {
463d8e73 6789 void *p2;
53a5960a 6790 p = lock_user_string(arg1);
579a97f7 6791 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
463d8e73 6792 if (!p || !p2) {
579a97f7 6793 ret = -TARGET_EFAULT;
f17f4989
MF		 6794 } else if (!arg3) {
6795 /* Short circuit this for the magic exe check. */
6796 ret = -TARGET_EINVAL;
463d8e73
AS		 6797 } else if (is_proc_myself((const char *)p, "exe")) {
6798 char real[PATH_MAX], *temp;
6799 temp = realpath(exec_path, real);
f17f4989
MF		 6800 /* Return value is # of bytes that we wrote to the buffer. */
6801 if (temp == NULL) {
6802 ret = get_errno(-1);
6803 } else {
6804 /* Don't worry about sign mismatch as earlier mapping
6805 * logic would have thrown a bad address error. */
6806 ret = MIN(strlen(real), arg3);
6807 /* We cannot NUL terminate the string. */
6808 memcpy(p2, real, ret);
6809 }
463d8e73
AS		 6810 } else {
6811 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 6812 }
53a5960a
PB		 6813 unlock_user(p2, arg2, ret);
6814 unlock_user(p, arg1, 0);
6815 }
31e31b8a 6816 break;
c0d472b1 6817#if defined(TARGET_NR_readlinkat)
5e0ccb18 6818 case TARGET_NR_readlinkat:
5e0ccb18 6819 {
579a97f7 6820 void *p2;
5e0ccb18 6821 p = lock_user_string(arg2);
579a97f7 6822 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
463d8e73
AS		 6823 if (!p || !p2) {
6824 ret = -TARGET_EFAULT;
6825 } else if (is_proc_myself((const char *)p, "exe")) {
6826 char real[PATH_MAX], *temp;
6827 temp = realpath(exec_path, real);
6828 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
6829 snprintf((char *)p2, arg4, "%s", real);
6830 } else {
c0d472b1 6831 ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
463d8e73 6832 }
579a97f7
FB		 6833 unlock_user(p2, arg3, ret);
6834 unlock_user(p, arg2, 0);
5e0ccb18
TS		 6835 }
6836 break;
6837#endif
e5febef5 6838#ifdef TARGET_NR_uselib
31e31b8a
FB		 6839 case TARGET_NR_uselib:
6840 goto unimplemented;
e5febef5
TS		 6841#endif
6842#ifdef TARGET_NR_swapon
31e31b8a 6843 case TARGET_NR_swapon:
579a97f7
FB		 6844 if (!(p = lock_user_string(arg1)))
6845 goto efault;
53a5960a
PB		 6846 ret = get_errno(swapon(p, arg2));
6847 unlock_user(p, arg1, 0);
31e31b8a 6848 break;
e5febef5 6849#endif
31e31b8a 6850 case TARGET_NR_reboot:
c07ecc68
LV		 6851 if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
6852 /* arg4 must be ignored in all other cases */
6853 p = lock_user_string(arg4);
6854 if (!p) {
6855 goto efault;
6856 }
6857 ret = get_errno(reboot(arg1, arg2, arg3, p));
6858 unlock_user(p, arg4, 0);
6859 } else {
6860 ret = get_errno(reboot(arg1, arg2, arg3, NULL));
6861 }
0f6b4d21 6862 break;
e5febef5 6863#ifdef TARGET_NR_readdir
31e31b8a
FB		 6864 case TARGET_NR_readdir:
6865 goto unimplemented;
e5febef5
TS		 6866#endif
6867#ifdef TARGET_NR_mmap
31e31b8a 6868 case TARGET_NR_mmap:
09701199
AG		 6869#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
6870 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
a4c075f1
UH		 6871 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6872 || defined(TARGET_S390X)
31e31b8a 6873 {
992f48a0
BS		 6874 abi_ulong *v;
6875 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 6876 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
6877 goto efault;
cbb21eed
MB		 6878 v1 = tswapal(v[0]);
6879 v2 = tswapal(v[1]);
6880 v3 = tswapal(v[2]);
6881 v4 = tswapal(v[3]);
6882 v5 = tswapal(v[4]);
6883 v6 = tswapal(v[5]);
53a5960a 6884 unlock_user(v, arg1, 0);
5fafdf24 6885 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 6886 target_to_host_bitmask(v4, mmap_flags_tbl),
6887 v5, v6));
31e31b8a 6888 }
31e31b8a 6889#else
5fafdf24
TS		 6890 ret = get_errno(target_mmap(arg1, arg2, arg3,
6891 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 6892 arg5,
6893 arg6));
31e31b8a 6894#endif
6fb883e8 6895 break;
e5febef5 6896#endif
a315a145 6897#ifdef TARGET_NR_mmap2
6fb883e8 6898 case TARGET_NR_mmap2:
bb7ec043 6899#ifndef MMAP_SHIFT
c573ff67 6900#define MMAP_SHIFT 12
c573ff67 6901#endif
5fafdf24
TS		 6902 ret = get_errno(target_mmap(arg1, arg2, arg3,
6903 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 6904 arg5,
c573ff67 6905 arg6 << MMAP_SHIFT));
31e31b8a 6906 break;
a315a145 6907#endif
31e31b8a 6908 case TARGET_NR_munmap:
54936004 6909 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 6910 break;
9de5e440 6911 case TARGET_NR_mprotect:
97374d38 6912 {
0429a971 6913 TaskState *ts = cpu->opaque;
97374d38
PB		 6914 /* Special hack to detect libc making the stack executable. */
6915 if ((arg3 & PROT_GROWSDOWN)
6916 && arg1 >= ts->info->stack_limit
6917 && arg1 <= ts->info->start_stack) {
6918 arg3 &= ~PROT_GROWSDOWN;
6919 arg2 = arg2 + arg1 - ts->info->stack_limit;
6920 arg1 = ts->info->stack_limit;
6921 }
6922 }
54936004 6923 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 6924 break;
e5febef5 6925#ifdef TARGET_NR_mremap
9de5e440 6926 case TARGET_NR_mremap:
54936004 6927 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 6928 break;
e5febef5 6929#endif
53a5960a 6930 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 6931#ifdef TARGET_NR_msync
9de5e440 6932 case TARGET_NR_msync:
53a5960a 6933 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 6934 break;
e5febef5
TS		 6935#endif
6936#ifdef TARGET_NR_mlock
9de5e440 6937 case TARGET_NR_mlock:
53a5960a 6938 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 6939 break;
e5febef5
TS		 6940#endif
6941#ifdef TARGET_NR_munlock
9de5e440 6942 case TARGET_NR_munlock:
53a5960a 6943 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 6944 break;
e5febef5
TS		 6945#endif
6946#ifdef TARGET_NR_mlockall
9de5e440 6947 case TARGET_NR_mlockall:
6f6a4032 6948 ret = get_errno(mlockall(target_to_host_mlockall_arg(arg1)));
9de5e440 6949 break;
e5febef5
TS		 6950#endif
6951#ifdef TARGET_NR_munlockall
9de5e440
FB		 6952 case TARGET_NR_munlockall:
6953 ret = get_errno(munlockall());
6954 break;
e5febef5 6955#endif
31e31b8a 6956 case TARGET_NR_truncate:
579a97f7
FB		 6957 if (!(p = lock_user_string(arg1)))
6958 goto efault;
53a5960a
PB		 6959 ret = get_errno(truncate(p, arg2));
6960 unlock_user(p, arg1, 0);
31e31b8a
FB		 6961 break;
6962 case TARGET_NR_ftruncate:
6963 ret = get_errno(ftruncate(arg1, arg2));
6964 break;
6965 case TARGET_NR_fchmod:
6966 ret = get_errno(fchmod(arg1, arg2));
6967 break;
c0d472b1 6968#if defined(TARGET_NR_fchmodat)
814d7977 6969 case TARGET_NR_fchmodat:
579a97f7
FB		 6970 if (!(p = lock_user_string(arg2)))
6971 goto efault;
c0d472b1 6972 ret = get_errno(fchmodat(arg1, p, arg3, 0));
579a97f7 6973 unlock_user(p, arg2, 0);
814d7977
TS		 6974 break;
6975#endif
31e31b8a 6976 case TARGET_NR_getpriority:
95c09828
RH		 6977 /* Note that negative values are valid for getpriority, so we must
6978 differentiate based on errno settings. */
6979 errno = 0;
6980 ret = getpriority(arg1, arg2);
6981 if (ret == -1 && errno != 0) {
6982 ret = -host_to_target_errno(errno);
6983 break;
6984 }
6985#ifdef TARGET_ALPHA
6986 /* Return value is the unbiased priority. Signal no error. */
6987 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
6988#else
6989 /* Return value is a biased priority to avoid negative numbers. */
6990 ret = 20 - ret;
6991#endif
31e31b8a
FB		 6992 break;
6993 case TARGET_NR_setpriority:
6994 ret = get_errno(setpriority(arg1, arg2, arg3));
6995 break;
ebc05488 6996#ifdef TARGET_NR_profil
31e31b8a
FB		 6997 case TARGET_NR_profil:
6998 goto unimplemented;
ebc05488 6999#endif
31e31b8a 7000 case TARGET_NR_statfs:
579a97f7
FB		 7001 if (!(p = lock_user_string(arg1)))
7002 goto efault;
53a5960a
PB		 7003 ret = get_errno(statfs(path(p), &stfs));
7004 unlock_user(p, arg1, 0);
31e31b8a
FB		 7005 convert_statfs:
7006 if (!is_error(ret)) {
53a5960a 7007 struct target_statfs *target_stfs;
3b46e624 7008
579a97f7
FB		 7009 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
7010 goto efault;
7011 __put_user(stfs.f_type, &target_stfs->f_type);
7012 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
7013 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
7014 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
7015 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
7016 __put_user(stfs.f_files, &target_stfs->f_files);
7017 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
7018 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
7019 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
7020 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 7021 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
7022 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
53a5960a 7023 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 7024 }
7025 break;
7026 case TARGET_NR_fstatfs:
56c8f68f 7027 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 7028 goto convert_statfs;
56c8f68f
FB		 7029#ifdef TARGET_NR_statfs64
7030 case TARGET_NR_statfs64:
579a97f7
FB		 7031 if (!(p = lock_user_string(arg1)))
7032 goto efault;
53a5960a
PB		 7033 ret = get_errno(statfs(path(p), &stfs));
7034 unlock_user(p, arg1, 0);
56c8f68f
FB		 7035 convert_statfs64:
7036 if (!is_error(ret)) {
53a5960a 7037 struct target_statfs64 *target_stfs;
3b46e624 7038
579a97f7
FB		 7039 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
7040 goto efault;
7041 __put_user(stfs.f_type, &target_stfs->f_type);
7042 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
7043 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
7044 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
7045 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
7046 __put_user(stfs.f_files, &target_stfs->f_files);
7047 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
7048 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
7049 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
7050 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 7051 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
7052 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
579a97f7 7053 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 7054 }
7055 break;
7056 case TARGET_NR_fstatfs64:
7057 ret = get_errno(fstatfs(arg1, &stfs));
7058 goto convert_statfs64;
7059#endif
ebc05488 7060#ifdef TARGET_NR_ioperm
31e31b8a
FB		 7061 case TARGET_NR_ioperm:
7062 goto unimplemented;
ebc05488 7063#endif
e5febef5 7064#ifdef TARGET_NR_socketcall
31e31b8a 7065 case TARGET_NR_socketcall:
53a5960a 7066 ret = do_socketcall(arg1, arg2);
31e31b8a 7067 break;
e5febef5 7068#endif
3532fa74
FB		 7069#ifdef TARGET_NR_accept
7070 case TARGET_NR_accept:
a94b4987
PM		 7071 ret = do_accept4(arg1, arg2, arg3, 0);
7072 break;
7073#endif
7074#ifdef TARGET_NR_accept4
7075 case TARGET_NR_accept4:
7076#ifdef CONFIG_ACCEPT4
7077 ret = do_accept4(arg1, arg2, arg3, arg4);
7078#else
7079 goto unimplemented;
7080#endif
3532fa74
FB		 7081 break;
7082#endif
7083#ifdef TARGET_NR_bind
7084 case TARGET_NR_bind:
7085 ret = do_bind(arg1, arg2, arg3);
7086 break;
7087#endif
7088#ifdef TARGET_NR_connect
7089 case TARGET_NR_connect:
7090 ret = do_connect(arg1, arg2, arg3);
7091 break;
7092#endif
7093#ifdef TARGET_NR_getpeername
7094 case TARGET_NR_getpeername:
1be9e1dc 7095 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 7096 break;
7097#endif
7098#ifdef TARGET_NR_getsockname
7099 case TARGET_NR_getsockname:
1be9e1dc 7100 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 7101 break;
7102#endif
7103#ifdef TARGET_NR_getsockopt
7104 case TARGET_NR_getsockopt:
7105 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
7106 break;
7107#endif
7108#ifdef TARGET_NR_listen
7109 case TARGET_NR_listen:
1be9e1dc 7110 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 7111 break;
7112#endif
7113#ifdef TARGET_NR_recv
7114 case TARGET_NR_recv:
214201bd 7115 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 7116 break;
7117#endif
7118#ifdef TARGET_NR_recvfrom
7119 case TARGET_NR_recvfrom:
214201bd 7120 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 7121 break;
7122#endif
7123#ifdef TARGET_NR_recvmsg
7124 case TARGET_NR_recvmsg:
7125 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
7126 break;
7127#endif
7128#ifdef TARGET_NR_send
7129 case TARGET_NR_send:
1be9e1dc 7130 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 7131 break;
7132#endif
7133#ifdef TARGET_NR_sendmsg
7134 case TARGET_NR_sendmsg:
7135 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
7136 break;
7137#endif
f19e00d7
AG		 7138#ifdef TARGET_NR_sendmmsg
7139 case TARGET_NR_sendmmsg:
7140 ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
7141 break;
7142 case TARGET_NR_recvmmsg:
7143 ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
7144 break;
7145#endif
3532fa74
FB		 7146#ifdef TARGET_NR_sendto
7147 case TARGET_NR_sendto:
1be9e1dc 7148 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 7149 break;
7150#endif
7151#ifdef TARGET_NR_shutdown
7152 case TARGET_NR_shutdown:
1be9e1dc 7153 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 7154 break;
7155#endif
7156#ifdef TARGET_NR_socket
7157 case TARGET_NR_socket:
7158 ret = do_socket(arg1, arg2, arg3);
7159 break;
7160#endif
7161#ifdef TARGET_NR_socketpair
7162 case TARGET_NR_socketpair:
1be9e1dc 7163 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 7164 break;
7165#endif
7166#ifdef TARGET_NR_setsockopt
7167 case TARGET_NR_setsockopt:
7168 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
7169 break;
7170#endif
7494b0f9 7171
31e31b8a 7172 case TARGET_NR_syslog:
579a97f7
FB		 7173 if (!(p = lock_user_string(arg2)))
7174 goto efault;
e5574487
TS		 7175 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
7176 unlock_user(p, arg2, 0);
7494b0f9
TS		 7177 break;
7178
31e31b8a 7179 case TARGET_NR_setitimer:
66fb9763 7180 {
66fb9763
FB		 7181 struct itimerval value, ovalue, *pvalue;
7182
53a5960a 7183 if (arg2) {
66fb9763 7184 pvalue = &value;
788f5ec4
TS		 7185 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
7186 || copy_from_user_timeval(&pvalue->it_value,
7187 arg2 + sizeof(struct target_timeval)))
7188 goto efault;
66fb9763
FB		 7189 } else {
7190 pvalue = NULL;
7191 }
7192 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 7193 if (!is_error(ret) && arg3) {
788f5ec4
TS		 7194 if (copy_to_user_timeval(arg3,
7195 &ovalue.it_interval)
7196 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
7197 &ovalue.it_value))
7198 goto efault;
66fb9763
FB		 7199 }
7200 }
7201 break;
31e31b8a 7202 case TARGET_NR_getitimer:
66fb9763 7203 {
66fb9763 7204 struct itimerval value;
3b46e624 7205
66fb9763 7206 ret = get_errno(getitimer(arg1, &value));
53a5960a 7207 if (!is_error(ret) && arg2) {
788f5ec4
TS		 7208 if (copy_to_user_timeval(arg2,
7209 &value.it_interval)
7210 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
7211 &value.it_value))
7212 goto efault;
66fb9763
FB		 7213 }
7214 }
7215 break;
31e31b8a 7216 case TARGET_NR_stat:
579a97f7
FB		 7217 if (!(p = lock_user_string(arg1)))
7218 goto efault;
53a5960a
PB		 7219 ret = get_errno(stat(path(p), &st));
7220 unlock_user(p, arg1, 0);
31e31b8a
FB		 7221 goto do_stat;
7222 case TARGET_NR_lstat:
579a97f7
FB		 7223 if (!(p = lock_user_string(arg1)))
7224 goto efault;
53a5960a
PB		 7225 ret = get_errno(lstat(path(p), &st));
7226 unlock_user(p, arg1, 0);
31e31b8a
FB		 7227 goto do_stat;
7228 case TARGET_NR_fstat:
7229 {
7230 ret = get_errno(fstat(arg1, &st));
7231 do_stat:
7232 if (!is_error(ret)) {
53a5960a 7233 struct target_stat *target_st;
e3584658 7234
579a97f7
FB		 7235 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
7236 goto efault;
12727917 7237 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 7238 __put_user(st.st_dev, &target_st->st_dev);
7239 __put_user(st.st_ino, &target_st->st_ino);
7240 __put_user(st.st_mode, &target_st->st_mode);
7241 __put_user(st.st_uid, &target_st->st_uid);
7242 __put_user(st.st_gid, &target_st->st_gid);
7243 __put_user(st.st_nlink, &target_st->st_nlink);
7244 __put_user(st.st_rdev, &target_st->st_rdev);
7245 __put_user(st.st_size, &target_st->st_size);
7246 __put_user(st.st_blksize, &target_st->st_blksize);
7247 __put_user(st.st_blocks, &target_st->st_blocks);
7248 __put_user(st.st_atime, &target_st->target_st_atime);
7249 __put_user(st.st_mtime, &target_st->target_st_mtime);
7250 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 7251 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 7252 }
7253 }
7254 break;
ebc05488 7255#ifdef TARGET_NR_olduname
31e31b8a
FB		 7256 case TARGET_NR_olduname:
7257 goto unimplemented;
ebc05488
FB		 7258#endif
7259#ifdef TARGET_NR_iopl
31e31b8a
FB		 7260 case TARGET_NR_iopl:
7261 goto unimplemented;
ebc05488 7262#endif
31e31b8a
FB		 7263 case TARGET_NR_vhangup:
7264 ret = get_errno(vhangup());
7265 break;
ebc05488 7266#ifdef TARGET_NR_idle
31e31b8a
FB		 7267 case TARGET_NR_idle:
7268 goto unimplemented;
42ad6ae9
FB		 7269#endif
7270#ifdef TARGET_NR_syscall
7271 case TARGET_NR_syscall:
5945cfcb
PM		 7272 ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
7273 arg6, arg7, arg8, 0);
7274 break;
ebc05488 7275#endif
31e31b8a
FB		 7276 case TARGET_NR_wait4:
7277 {
7278 int status;
992f48a0 7279 abi_long status_ptr = arg2;
31e31b8a 7280 struct rusage rusage, *rusage_ptr;
992f48a0 7281 abi_ulong target_rusage = arg4;
a39fb273 7282 abi_long rusage_err;
31e31b8a
FB		 7283 if (target_rusage)
7284 rusage_ptr = &rusage;
7285 else
7286 rusage_ptr = NULL;
7287 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
7288 if (!is_error(ret)) {
5379557b 7289 if (status_ptr && ret) {
1d9d8b55 7290 status = host_to_target_waitstatus(status);
2f619698
FB		 7291 if (put_user_s32(status, status_ptr))
7292 goto efault;
31e31b8a 7293 }
a39fb273
PJ		 7294 if (target_rusage) {
7295 rusage_err = host_to_target_rusage(target_rusage, &rusage);
7296 if (rusage_err) {
7297 ret = rusage_err;
7298 }
7299 }
31e31b8a
FB		 7300 }
7301 }
7302 break;
e5febef5 7303#ifdef TARGET_NR_swapoff
31e31b8a 7304 case TARGET_NR_swapoff:
579a97f7
FB		 7305 if (!(p = lock_user_string(arg1)))
7306 goto efault;
53a5960a
PB		 7307 ret = get_errno(swapoff(p));
7308 unlock_user(p, arg1, 0);
31e31b8a 7309 break;
e5febef5 7310#endif
31e31b8a 7311 case TARGET_NR_sysinfo:
a5448a7d 7312 {
53a5960a 7313 struct target_sysinfo *target_value;
a5448a7d
FB		 7314 struct sysinfo value;
7315 ret = get_errno(sysinfo(&value));
53a5960a 7316 if (!is_error(ret) && arg1)
a5448a7d 7317 {
579a97f7
FB		 7318 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
7319 goto efault;
a5448a7d
FB		 7320 __put_user(value.uptime, &target_value->uptime);
7321 __put_user(value.loads[0], &target_value->loads[0]);
7322 __put_user(value.loads[1], &target_value->loads[1]);
7323 __put_user(value.loads[2], &target_value->loads[2]);
7324 __put_user(value.totalram, &target_value->totalram);
7325 __put_user(value.freeram, &target_value->freeram);
7326 __put_user(value.sharedram, &target_value->sharedram);
7327 __put_user(value.bufferram, &target_value->bufferram);
7328 __put_user(value.totalswap, &target_value->totalswap);
7329 __put_user(value.freeswap, &target_value->freeswap);
7330 __put_user(value.procs, &target_value->procs);
7331 __put_user(value.totalhigh, &target_value->totalhigh);
7332 __put_user(value.freehigh, &target_value->freehigh);
7333 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 7334 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 7335 }
7336 }
7337 break;
e5febef5 7338#ifdef TARGET_NR_ipc
31e31b8a 7339 case TARGET_NR_ipc:
8853f86e
FB		 7340 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
7341 break;
e5febef5 7342#endif
e5289087
AJ		 7343#ifdef TARGET_NR_semget
7344 case TARGET_NR_semget:
7345 ret = get_errno(semget(arg1, arg2, arg3));
7346 break;
7347#endif
7348#ifdef TARGET_NR_semop
7349 case TARGET_NR_semop:
c7128c9f 7350 ret = do_semop(arg1, arg2, arg3);
e5289087
AJ		 7351 break;
7352#endif
7353#ifdef TARGET_NR_semctl
7354 case TARGET_NR_semctl:
7355 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
7356 break;
7357#endif
eeb438c1
AJ		 7358#ifdef TARGET_NR_msgctl
7359 case TARGET_NR_msgctl:
7360 ret = do_msgctl(arg1, arg2, arg3);
7361 break;
7362#endif
7363#ifdef TARGET_NR_msgget
7364 case TARGET_NR_msgget:
7365 ret = get_errno(msgget(arg1, arg2));
7366 break;
7367#endif
7368#ifdef TARGET_NR_msgrcv
7369 case TARGET_NR_msgrcv:
7370 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
7371 break;
7372#endif
7373#ifdef TARGET_NR_msgsnd
7374 case TARGET_NR_msgsnd:
7375 ret = do_msgsnd(arg1, arg2, arg3, arg4);
7376 break;
88a8c984
RV		 7377#endif
7378#ifdef TARGET_NR_shmget
7379 case TARGET_NR_shmget:
7380 ret = get_errno(shmget(arg1, arg2, arg3));
7381 break;
7382#endif
7383#ifdef TARGET_NR_shmctl
7384 case TARGET_NR_shmctl:
7385 ret = do_shmctl(arg1, arg2, arg3);
7386 break;
7387#endif
7388#ifdef TARGET_NR_shmat
7389 case TARGET_NR_shmat:
7390 ret = do_shmat(arg1, arg2, arg3);
7391 break;
7392#endif
7393#ifdef TARGET_NR_shmdt
7394 case TARGET_NR_shmdt:
7395 ret = do_shmdt(arg1);
7396 break;
eeb438c1 7397#endif
31e31b8a
FB		 7398 case TARGET_NR_fsync:
7399 ret = get_errno(fsync(arg1));
7400 break;
31e31b8a 7401 case TARGET_NR_clone:
4ce6243d
PM		 7402 /* Linux manages to have three different orderings for its
7403 * arguments to clone(); the BACKWARDS and BACKWARDS2 defines
7404 * match the kernel's CONFIG_CLONE_* settings.
7405 * Microblaze is further special in that it uses a sixth
7406 * implicit argument to clone for the TLS pointer.
7407 */
7408#if defined(TARGET_MICROBLAZE)
a5b3bdcb 7409 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
4ce6243d
PM		 7410#elif defined(TARGET_CLONE_BACKWARDS)
7411 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
7412#elif defined(TARGET_CLONE_BACKWARDS2)
a4c075f1 7413 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
0b6d3ae0 7414#else
4ce6243d 7415 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
0b6d3ae0 7416#endif
1b6b029e 7417 break;
ec86b0fb
FB		 7418#ifdef __NR_exit_group
7419 /* new thread calls */
7420 case TARGET_NR_exit_group:
9788c9ca 7421#ifdef TARGET_GPROF
6d946cda
AJ		 7422 _mcleanup();
7423#endif
e9009676 7424 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 7425 ret = get_errno(exit_group(arg1));
7426 break;
7427#endif
31e31b8a 7428 case TARGET_NR_setdomainname:
579a97f7
FB		 7429 if (!(p = lock_user_string(arg1)))
7430 goto efault;
53a5960a
PB		 7431 ret = get_errno(setdomainname(p, arg2));
7432 unlock_user(p, arg1, 0);
31e31b8a
FB		 7433 break;
7434 case TARGET_NR_uname:
7435 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 7436 {
7437 struct new_utsname * buf;
3b46e624 7438
579a97f7
FB		 7439 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
7440 goto efault;
29e619b1
FB		 7441 ret = get_errno(sys_uname(buf));
7442 if (!is_error(ret)) {
7443 /* Overrite the native machine name with whatever is being
7444 emulated. */
da79030f 7445 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 7446 /* Allow the user to override the reported release. */
7447 if (qemu_uname_release && *qemu_uname_release)
7448 strcpy (buf->release, qemu_uname_release);
29e619b1 7449 }
53a5960a 7450 unlock_user_struct(buf, arg1, 1);
29e619b1 7451 }
31e31b8a 7452 break;
6dbad63e 7453#ifdef TARGET_I386
31e31b8a 7454 case TARGET_NR_modify_ldt:
03acab66 7455 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 7456 break;
84409ddb 7457#if !defined(TARGET_X86_64)
5cd4393b
FB		 7458 case TARGET_NR_vm86old:
7459 goto unimplemented;
7460 case TARGET_NR_vm86:
53a5960a 7461 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 7462 break;
84409ddb 7463#endif
6dbad63e 7464#endif
31e31b8a
FB		 7465 case TARGET_NR_adjtimex:
7466 goto unimplemented;
e5febef5 7467#ifdef TARGET_NR_create_module
31e31b8a 7468 case TARGET_NR_create_module:
e5febef5 7469#endif
31e31b8a
FB		 7470 case TARGET_NR_init_module:
7471 case TARGET_NR_delete_module:
e5febef5 7472#ifdef TARGET_NR_get_kernel_syms
31e31b8a 7473 case TARGET_NR_get_kernel_syms:
e5febef5 7474#endif
31e31b8a
FB		 7475 goto unimplemented;
7476 case TARGET_NR_quotactl:
7477 goto unimplemented;
7478 case TARGET_NR_getpgid:
7479 ret = get_errno(getpgid(arg1));
7480 break;
7481 case TARGET_NR_fchdir:
7482 ret = get_errno(fchdir(arg1));
7483 break;
84409ddb 7484#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 7485 case TARGET_NR_bdflush:
7486 goto unimplemented;
84409ddb 7487#endif
e5febef5 7488#ifdef TARGET_NR_sysfs
31e31b8a
FB		 7489 case TARGET_NR_sysfs:
7490 goto unimplemented;
e5febef5 7491#endif
31e31b8a 7492 case TARGET_NR_personality:
1b6b029e 7493 ret = get_errno(personality(arg1));
31e31b8a 7494 break;
e5febef5 7495#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 7496 case TARGET_NR_afs_syscall:
7497 goto unimplemented;
e5febef5 7498#endif
7a3148a9 7499#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 7500 case TARGET_NR__llseek:
7501 {
0c1592d9 7502 int64_t res;
d35b261c 7503#if !defined(__NR_llseek)
0c1592d9
PM		 7504 res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
7505 if (res == -1) {
7506 ret = get_errno(res);
7507 } else {
7508 ret = 0;
7509 }
4f2ac237 7510#else
31e31b8a 7511 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4f2ac237 7512#endif
0c1592d9
PM		 7513 if ((ret == 0) && put_user_s64(res, arg4)) {
7514 goto efault;
7515 }
31e31b8a
FB		 7516 }
7517 break;
7a3148a9 7518#endif
31e31b8a 7519 case TARGET_NR_getdents:
3307e236 7520#ifdef __NR_getdents
d83c8733 7521#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 7522 {
53a5960a 7523 struct target_dirent *target_dirp;
6556a833 7524 struct linux_dirent *dirp;
992f48a0 7525 abi_long count = arg3;
4add45b4
FB		 7526
7527 dirp = malloc(count);
0da46a6e 7528 if (!dirp) {
579a97f7 7529 ret = -TARGET_ENOMEM;
0da46a6e
TS		 7530 goto fail;
7531 }
3b46e624 7532
4add45b4
FB		 7533 ret = get_errno(sys_getdents(arg1, dirp, count));
7534 if (!is_error(ret)) {
6556a833 7535 struct linux_dirent *de;
4add45b4
FB		 7536 struct target_dirent *tde;
7537 int len = ret;
7538 int reclen, treclen;
7539 int count1, tnamelen;
7540
7541 count1 = 0;
7542 de = dirp;
579a97f7
FB		 7543 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7544 goto efault;
4add45b4
FB		 7545 tde = target_dirp;
7546 while (len > 0) {
7547 reclen = de->d_reclen;
333858b7
DL		 7548 tnamelen = reclen - offsetof(struct linux_dirent, d_name);
7549 assert(tnamelen >= 0);
7550 treclen = tnamelen + offsetof(struct target_dirent, d_name);
7551 assert(count1 + treclen <= count);
4add45b4 7552 tde->d_reclen = tswap16(treclen);
cbb21eed
MB		 7553 tde->d_ino = tswapal(de->d_ino);
7554 tde->d_off = tswapal(de->d_off);
333858b7 7555 memcpy(tde->d_name, de->d_name, tnamelen);
6556a833 7556 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 7557 len -= reclen;
1c5bf3bf 7558 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 7559 count1 += treclen;
7560 }
7561 ret = count1;
579a97f7 7562 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 7563 }
7564 free(dirp);
7565 }
7566#else
31e31b8a 7567 {
6556a833 7568 struct linux_dirent *dirp;
992f48a0 7569 abi_long count = arg3;
dab2ed99 7570
579a97f7
FB		 7571 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7572 goto efault;
72f03900 7573 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 7574 if (!is_error(ret)) {
6556a833 7575 struct linux_dirent *de;
31e31b8a
FB		 7576 int len = ret;
7577 int reclen;
7578 de = dirp;
7579 while (len > 0) {
8083a3e5 7580 reclen = de->d_reclen;
31e31b8a
FB		 7581 if (reclen > len)
7582 break;
8083a3e5 7583 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 7584 tswapls(&de->d_ino);
7585 tswapls(&de->d_off);
6556a833 7586 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 7587 len -= reclen;
7588 }
7589 }
53a5960a 7590 unlock_user(dirp, arg2, ret);
3307e236
PM		 7591 }
7592#endif
7593#else
7594 /* Implement getdents in terms of getdents64 */
7595 {
7596 struct linux_dirent64 *dirp;
7597 abi_long count = arg3;
7598
7599 dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
7600 if (!dirp) {
7601 goto efault;
7602 }
7603 ret = get_errno(sys_getdents64(arg1, dirp, count));
7604 if (!is_error(ret)) {
7605 /* Convert the dirent64 structs to target dirent. We do this
7606 * in-place, since we can guarantee that a target_dirent is no
7607 * larger than a dirent64; however this means we have to be
7608 * careful to read everything before writing in the new format.
7609 */
7610 struct linux_dirent64 *de;
7611 struct target_dirent *tde;
7612 int len = ret;
7613 int tlen = 0;
7614
7615 de = dirp;
7616 tde = (struct target_dirent *)dirp;
7617 while (len > 0) {
7618 int namelen, treclen;
7619 int reclen = de->d_reclen;
7620 uint64_t ino = de->d_ino;
7621 int64_t off = de->d_off;
7622 uint8_t type = de->d_type;
7623
7624 namelen = strlen(de->d_name);
7625 treclen = offsetof(struct target_dirent, d_name)
7626 + namelen + 2;
7627 treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long));
7628
7629 memmove(tde->d_name, de->d_name, namelen + 1);
7630 tde->d_ino = tswapal(ino);
7631 tde->d_off = tswapal(off);
7632 tde->d_reclen = tswap16(treclen);
7633 /* The target_dirent type is in what was formerly a padding
7634 * byte at the end of the structure:
7635 */
7636 *(((char *)tde) + treclen - 1) = type;
7637
7638 de = (struct linux_dirent64 *)((char *)de + reclen);
7639 tde = (struct target_dirent *)((char *)tde + treclen);
7640 len -= reclen;
7641 tlen += treclen;
7642 }
7643 ret = tlen;
7644 }
7645 unlock_user(dirp, arg2, ret);
31e31b8a 7646 }
4add45b4 7647#endif
31e31b8a 7648 break;
3ae43202 7649#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 7650 case TARGET_NR_getdents64:
7651 {
6556a833 7652 struct linux_dirent64 *dirp;
992f48a0 7653 abi_long count = arg3;
579a97f7
FB		 7654 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7655 goto efault;
dab2ed99
FB		 7656 ret = get_errno(sys_getdents64(arg1, dirp, count));
7657 if (!is_error(ret)) {
6556a833 7658 struct linux_dirent64 *de;
dab2ed99
FB		 7659 int len = ret;
7660 int reclen;
7661 de = dirp;
7662 while (len > 0) {
8083a3e5 7663 reclen = de->d_reclen;
dab2ed99
FB		 7664 if (reclen > len)
7665 break;
8083a3e5 7666 de->d_reclen = tswap16(reclen);
8582a53a
FB		 7667 tswap64s((uint64_t *)&de->d_ino);
7668 tswap64s((uint64_t *)&de->d_off);
6556a833 7669 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 7670 len -= reclen;
7671 }
7672 }
53a5960a 7673 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 7674 }
7675 break;
a541f297 7676#endif /* TARGET_NR_getdents64 */
9468a5d4 7677#if defined(TARGET_NR__newselect)
31e31b8a 7678 case TARGET_NR__newselect:
53a5960a 7679 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 7680 break;
e5febef5 7681#endif
d8035d4c
MF		 7682#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
7683# ifdef TARGET_NR_poll
9de5e440 7684 case TARGET_NR_poll:
d8035d4c
MF		 7685# endif
7686# ifdef TARGET_NR_ppoll
7687 case TARGET_NR_ppoll:
7688# endif
9de5e440 7689 {
53a5960a 7690 struct target_pollfd *target_pfd;
9de5e440
FB		 7691 unsigned int nfds = arg2;
7692 int timeout = arg3;
7693 struct pollfd *pfd;
7854b056 7694 unsigned int i;
9de5e440 7695
579a97f7
FB		 7696 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
7697 if (!target_pfd)
7698 goto efault;
d8035d4c 7699
9de5e440
FB		 7700 pfd = alloca(sizeof(struct pollfd) * nfds);
7701 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 7702 pfd[i].fd = tswap32(target_pfd[i].fd);
7703 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440 7704 }
d8035d4c
MF		 7705
7706# ifdef TARGET_NR_ppoll
7707 if (num == TARGET_NR_ppoll) {
7708 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
7709 target_sigset_t *target_set;
7710 sigset_t _set, *set = &_set;
7711
7712 if (arg3) {
7713 if (target_to_host_timespec(timeout_ts, arg3)) {
7714 unlock_user(target_pfd, arg1, 0);
7715 goto efault;
7716 }
7717 } else {
7718 timeout_ts = NULL;
7719 }
7720
7721 if (arg4) {
7722 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
7723 if (!target_set) {
7724 unlock_user(target_pfd, arg1, 0);
7725 goto efault;
7726 }
7727 target_to_host_sigset(set, target_set);
7728 } else {
7729 set = NULL;
7730 }
7731
7732 ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
7733
7734 if (!is_error(ret) && arg3) {
7735 host_to_target_timespec(arg3, timeout_ts);
7736 }
7737 if (arg4) {
7738 unlock_user(target_set, arg4, 0);
7739 }
7740 } else
7741# endif
7742 ret = get_errno(poll(pfd, nfds, timeout));
7743
9de5e440
FB		 7744 if (!is_error(ret)) {
7745 for(i = 0; i < nfds; i++) {
5cd4393b 7746 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 7747 }
7748 }
30cb4cde 7749 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9de5e440
FB		 7750 }
7751 break;
e5febef5 7752#endif
31e31b8a 7753 case TARGET_NR_flock:
9de5e440
FB		 7754 /* NOTE: the flock constant seems to be the same for every
7755 Linux platform */
7756 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 7757 break;
7758 case TARGET_NR_readv:
7759 {
f287b2c2
RH		 7760 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
7761 if (vec != NULL) {
7762 ret = get_errno(readv(arg1, vec, arg3));
7763 unlock_iovec(vec, arg2, arg3, 1);
7764 } else {
7765 ret = -host_to_target_errno(errno);
7766 }
31e31b8a
FB		 7767 }
7768 break;
7769 case TARGET_NR_writev:
7770 {
f287b2c2
RH		 7771 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
7772 if (vec != NULL) {
7773 ret = get_errno(writev(arg1, vec, arg3));
7774 unlock_iovec(vec, arg2, arg3, 0);
7775 } else {
7776 ret = -host_to_target_errno(errno);
7777 }
31e31b8a
FB		 7778 }
7779 break;
7780 case TARGET_NR_getsid:
7781 ret = get_errno(getsid(arg1));
7782 break;
7a3148a9 7783#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 7784 case TARGET_NR_fdatasync:
5cd4393b
FB		 7785 ret = get_errno(fdatasync(arg1));
7786 break;
7a3148a9 7787#endif
31e31b8a 7788 case TARGET_NR__sysctl:
0da46a6e 7789 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 7790 return value. */
0da46a6e
TS		 7791 ret = -TARGET_ENOTDIR;
7792 break;
737de1d1
MF		 7793 case TARGET_NR_sched_getaffinity:
7794 {
7795 unsigned int mask_size;
7796 unsigned long *mask;
7797
7798 /*
7799 * sched_getaffinity needs multiples of ulong, so need to take
7800 * care of mismatches between target ulong and host ulong sizes.
7801 */
7802 if (arg2 & (sizeof(abi_ulong) - 1)) {
7803 ret = -TARGET_EINVAL;
7804 break;
7805 }
7806 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7807
7808 mask = alloca(mask_size);
7809 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
7810
7811 if (!is_error(ret)) {
be3bd286
PM		 7812 if (ret > arg2) {
7813 /* More data returned than the caller's buffer will fit.
7814 * This only happens if sizeof(abi_long) < sizeof(long)
7815 * and the caller passed us a buffer holding an odd number
7816 * of abi_longs. If the host kernel is actually using the
7817 * extra 4 bytes then fail EINVAL; otherwise we can just
7818 * ignore them and only copy the interesting part.
7819 */
7820 int numcpus = sysconf(_SC_NPROCESSORS_CONF);
7821 if (numcpus > arg2 * 8) {
7822 ret = -TARGET_EINVAL;
7823 break;
7824 }
7825 ret = arg2;
7826 }
7827
cd18f05e 7828 if (copy_to_user(arg3, mask, ret)) {
737de1d1
MF		 7829 goto efault;
7830 }
737de1d1
MF		 7831 }
7832 }
7833 break;
7834 case TARGET_NR_sched_setaffinity:
7835 {
7836 unsigned int mask_size;
7837 unsigned long *mask;
7838
7839 /*
7840 * sched_setaffinity needs multiples of ulong, so need to take
7841 * care of mismatches between target ulong and host ulong sizes.
7842 */
7843 if (arg2 & (sizeof(abi_ulong) - 1)) {
7844 ret = -TARGET_EINVAL;
7845 break;
7846 }
7847 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7848
7849 mask = alloca(mask_size);
7850 if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
7851 goto efault;
7852 }
7853 memcpy(mask, p, arg2);
7854 unlock_user_struct(p, arg2, 0);
7855
7856 ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
7857 }
7858 break;
31e31b8a 7859 case TARGET_NR_sched_setparam:
5cd4393b 7860 {
53a5960a 7861 struct sched_param *target_schp;
5cd4393b 7862 struct sched_param schp;
53a5960a 7863
a1d5c5b2
TM		 7864 if (arg2 == 0) {
7865 return -TARGET_EINVAL;
7866 }
579a97f7
FB		 7867 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
7868 goto efault;
5cd4393b 7869 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7870 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 7871 ret = get_errno(sched_setparam(arg1, &schp));
7872 }
7873 break;
31e31b8a 7874 case TARGET_NR_sched_getparam:
5cd4393b 7875 {
53a5960a 7876 struct sched_param *target_schp;
5cd4393b 7877 struct sched_param schp;
a1d5c5b2
TM		 7878
7879 if (arg2 == 0) {
7880 return -TARGET_EINVAL;
7881 }
5cd4393b
FB		 7882 ret = get_errno(sched_getparam(arg1, &schp));
7883 if (!is_error(ret)) {
579a97f7
FB		 7884 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
7885 goto efault;
5cd4393b 7886 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 7887 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 7888 }
7889 }
7890 break;
31e31b8a 7891 case TARGET_NR_sched_setscheduler:
5cd4393b 7892 {
53a5960a 7893 struct sched_param *target_schp;
5cd4393b 7894 struct sched_param schp;
a1d5c5b2
TM		 7895 if (arg3 == 0) {
7896 return -TARGET_EINVAL;
7897 }
579a97f7
FB		 7898 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
7899 goto efault;
5cd4393b 7900 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7901 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 7902 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
7903 }
7904 break;
31e31b8a 7905 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 7906 ret = get_errno(sched_getscheduler(arg1));
7907 break;
31e31b8a
FB		 7908 case TARGET_NR_sched_yield:
7909 ret = get_errno(sched_yield());
7910 break;
7911 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 7912 ret = get_errno(sched_get_priority_max(arg1));
7913 break;
31e31b8a 7914 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 7915 ret = get_errno(sched_get_priority_min(arg1));
7916 break;
31e31b8a 7917 case TARGET_NR_sched_rr_get_interval:
5cd4393b 7918 {
5cd4393b
FB		 7919 struct timespec ts;
7920 ret = get_errno(sched_rr_get_interval(arg1, &ts));
7921 if (!is_error(ret)) {
d4290c40 7922 ret = host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 7923 }
7924 }
7925 break;
31e31b8a 7926 case TARGET_NR_nanosleep:
1b6b029e 7927 {
1b6b029e 7928 struct timespec req, rem;
53a5960a 7929 target_to_host_timespec(&req, arg1);
1b6b029e 7930 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 7931 if (is_error(ret) && arg2) {
7932 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 7933 }
7934 }
7935 break;
e5febef5 7936#ifdef TARGET_NR_query_module
31e31b8a 7937 case TARGET_NR_query_module:
5cd4393b 7938 goto unimplemented;
e5febef5
TS		 7939#endif
7940#ifdef TARGET_NR_nfsservctl
31e31b8a 7941 case TARGET_NR_nfsservctl:
5cd4393b 7942 goto unimplemented;
e5febef5 7943#endif
31e31b8a 7944 case TARGET_NR_prctl:
1e6722f8
PM		 7945 switch (arg1) {
7946 case PR_GET_PDEATHSIG:
7947 {
7948 int deathsig;
7949 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
7950 if (!is_error(ret) && arg2
7951 && put_user_ual(deathsig, arg2)) {
7952 goto efault;
e5574487 7953 }
1e6722f8
PM		 7954 break;
7955 }
db9526b1
PM		 7956#ifdef PR_GET_NAME
7957 case PR_GET_NAME:
7958 {
7959 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
7960 if (!name) {
7961 goto efault;
7962 }
7963 ret = get_errno(prctl(arg1, (unsigned long)name,
7964 arg3, arg4, arg5));
7965 unlock_user(name, arg2, 16);
7966 break;
7967 }
7968 case PR_SET_NAME:
7969 {
7970 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
7971 if (!name) {
7972 goto efault;
7973 }
7974 ret = get_errno(prctl(arg1, (unsigned long)name,
7975 arg3, arg4, arg5));
7976 unlock_user(name, arg2, 0);
7977 break;
7978 }
7979#endif
1e6722f8
PM		 7980 default:
7981 /* Most prctl options have no pointer arguments */
7982 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
7983 break;
7984 }
39b9aae1 7985 break;
d2fd1af7
FB		 7986#ifdef TARGET_NR_arch_prctl
7987 case TARGET_NR_arch_prctl:
7988#if defined(TARGET_I386) && !defined(TARGET_ABI32)
7989 ret = do_arch_prctl(cpu_env, arg1, arg2);
7990 break;
7991#else
7992 goto unimplemented;
7993#endif
7994#endif
f2c7ba15
AJ		 7995#ifdef TARGET_NR_pread64
7996 case TARGET_NR_pread64:
ae017a5b
AG		 7997 if (regpairs_aligned(cpu_env)) {
7998 arg4 = arg5;
7999 arg5 = arg6;
8000 }
f2c7ba15
AJ		 8001 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
8002 goto efault;
8003 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
8004 unlock_user(p, arg2, ret);
8005 break;
8006 case TARGET_NR_pwrite64:
ae017a5b
AG		 8007 if (regpairs_aligned(cpu_env)) {
8008 arg4 = arg5;
8009 arg5 = arg6;
8010 }
f2c7ba15
AJ		 8011 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
8012 goto efault;
8013 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
8014 unlock_user(p, arg2, 0);
8015 break;
67867308 8016#endif
31e31b8a 8017 case TARGET_NR_getcwd:
579a97f7
FB		 8018 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
8019 goto efault;
53a5960a
PB		 8020 ret = get_errno(sys_getcwd1(p, arg2));
8021 unlock_user(p, arg1, ret);
31e31b8a
FB		 8022 break;
8023 case TARGET_NR_capget:
8024 case TARGET_NR_capset:
e0eb210e
PM		 8025 {
8026 struct target_user_cap_header *target_header;
8027 struct target_user_cap_data *target_data = NULL;
8028 struct __user_cap_header_struct header;
8029 struct __user_cap_data_struct data[2];
8030 struct __user_cap_data_struct *dataptr = NULL;
8031 int i, target_datalen;
8032 int data_items = 1;
8033
8034 if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
8035 goto efault;
8036 }
8037 header.version = tswap32(target_header->version);
8038 header.pid = tswap32(target_header->pid);
8039
ec864874 8040 if (header.version != _LINUX_CAPABILITY_VERSION) {
e0eb210e
PM		 8041 /* Version 2 and up takes pointer to two user_data structs */
8042 data_items = 2;
8043 }
8044
8045 target_datalen = sizeof(*target_data) * data_items;
8046
8047 if (arg2) {
8048 if (num == TARGET_NR_capget) {
8049 target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0);
8050 } else {
8051 target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1);
8052 }
8053 if (!target_data) {
8054 unlock_user_struct(target_header, arg1, 0);
8055 goto efault;
8056 }
8057
8058 if (num == TARGET_NR_capset) {
8059 for (i = 0; i < data_items; i++) {
8060 data[i].effective = tswap32(target_data[i].effective);
8061 data[i].permitted = tswap32(target_data[i].permitted);
8062 data[i].inheritable = tswap32(target_data[i].inheritable);
8063 }
8064 }
8065
8066 dataptr = data;
8067 }
8068
8069 if (num == TARGET_NR_capget) {
8070 ret = get_errno(capget(&header, dataptr));
8071 } else {
8072 ret = get_errno(capset(&header, dataptr));
8073 }
8074
8075 /* The kernel always updates version for both capget and capset */
8076 target_header->version = tswap32(header.version);
8077 unlock_user_struct(target_header, arg1, 1);
8078
8079 if (arg2) {
8080 if (num == TARGET_NR_capget) {
8081 for (i = 0; i < data_items; i++) {
8082 target_data[i].effective = tswap32(data[i].effective);
8083 target_data[i].permitted = tswap32(data[i].permitted);
8084 target_data[i].inheritable = tswap32(data[i].inheritable);
8085 }
8086 unlock_user(target_data, arg2, target_datalen);
8087 } else {
8088 unlock_user(target_data, arg2, 0);
8089 }
8090 }
8091 break;
8092 }
31e31b8a 8093 case TARGET_NR_sigaltstack:
198a74de 8094#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154 8095 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
d962783e 8096 defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC)
9349b4f9 8097 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env));
a04e134a
TS		 8098 break;
8099#else
5cd4393b 8100 goto unimplemented;
a04e134a 8101#endif
a8fd1aba
PM		 8102
8103#ifdef CONFIG_SENDFILE
8104 case TARGET_NR_sendfile:
8105 {
8106 off_t *offp = NULL;
8107 off_t off;
8108 if (arg3) {
8109 ret = get_user_sal(off, arg3);
8110 if (is_error(ret)) {
8111 break;
8112 }
8113 offp = &off;
8114 }
8115 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
8116 if (!is_error(ret) && arg3) {
8117 abi_long ret2 = put_user_sal(off, arg3);
8118 if (is_error(ret2)) {
8119 ret = ret2;
8120 }
8121 }
8122 break;
8123 }
8124#ifdef TARGET_NR_sendfile64
8125 case TARGET_NR_sendfile64:
8126 {
8127 off_t *offp = NULL;
8128 off_t off;
8129 if (arg3) {
8130 ret = get_user_s64(off, arg3);
8131 if (is_error(ret)) {
8132 break;
8133 }
8134 offp = &off;
8135 }
8136 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
8137 if (!is_error(ret) && arg3) {
8138 abi_long ret2 = put_user_s64(off, arg3);
8139 if (is_error(ret2)) {
8140 ret = ret2;
8141 }
8142 }
8143 break;
8144 }
8145#endif
8146#else
31e31b8a 8147 case TARGET_NR_sendfile:
7edd2cf1 8148#ifdef TARGET_NR_sendfile64
a8fd1aba
PM		 8149 case TARGET_NR_sendfile64:
8150#endif
5cd4393b 8151 goto unimplemented;
a8fd1aba
PM		 8152#endif
8153
ebc05488 8154#ifdef TARGET_NR_getpmsg
31e31b8a 8155 case TARGET_NR_getpmsg:
5cd4393b 8156 goto unimplemented;
ebc05488
FB		 8157#endif
8158#ifdef TARGET_NR_putpmsg
31e31b8a 8159 case TARGET_NR_putpmsg:
5cd4393b 8160 goto unimplemented;
ebc05488 8161#endif
048f6b4d 8162#ifdef TARGET_NR_vfork
31e31b8a 8163 case TARGET_NR_vfork:
d865bab5
PB		 8164 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
8165 0, 0, 0, 0));
31e31b8a 8166 break;
048f6b4d 8167#endif
ebc05488 8168#ifdef TARGET_NR_ugetrlimit
31e31b8a 8169 case TARGET_NR_ugetrlimit:
728584be
FB		 8170 {
8171 struct rlimit rlim;
e22b7015
WT		 8172 int resource = target_to_host_resource(arg1);
8173 ret = get_errno(getrlimit(resource, &rlim));
728584be 8174 if (!is_error(ret)) {
53a5960a 8175 struct target_rlimit *target_rlim;
579a97f7
FB		 8176 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
8177 goto efault;
81bbe906
TY		 8178 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
8179 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 8180 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 8181 }
8182 break;
8183 }
ebc05488 8184#endif
a315a145 8185#ifdef TARGET_NR_truncate64
31e31b8a 8186 case TARGET_NR_truncate64:
579a97f7
FB		 8187 if (!(p = lock_user_string(arg1)))
8188 goto efault;
53a5960a
PB		 8189 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
8190 unlock_user(p, arg1, 0);
667f38b1 8191 break;
a315a145
FB		 8192#endif
8193#ifdef TARGET_NR_ftruncate64
31e31b8a 8194 case TARGET_NR_ftruncate64:
ce4defa0 8195 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 8196 break;
a315a145
FB		 8197#endif
8198#ifdef TARGET_NR_stat64
31e31b8a 8199 case TARGET_NR_stat64:
579a97f7
FB		 8200 if (!(p = lock_user_string(arg1)))
8201 goto efault;
53a5960a
PB		 8202 ret = get_errno(stat(path(p), &st));
8203 unlock_user(p, arg1, 0);
6a24a778
AZ		 8204 if (!is_error(ret))
8205 ret = host_to_target_stat64(cpu_env, arg2, &st);
8206 break;
a315a145
FB		 8207#endif
8208#ifdef TARGET_NR_lstat64
31e31b8a 8209 case TARGET_NR_lstat64:
579a97f7
FB		 8210 if (!(p = lock_user_string(arg1)))
8211 goto efault;
53a5960a
PB		 8212 ret = get_errno(lstat(path(p), &st));
8213 unlock_user(p, arg1, 0);
6a24a778
AZ		 8214 if (!is_error(ret))
8215 ret = host_to_target_stat64(cpu_env, arg2, &st);
8216 break;
a315a145
FB		 8217#endif
8218#ifdef TARGET_NR_fstat64
31e31b8a 8219 case TARGET_NR_fstat64:
6a24a778
AZ		 8220 ret = get_errno(fstat(arg1, &st));
8221 if (!is_error(ret))
8222 ret = host_to_target_stat64(cpu_env, arg2, &st);
8223 break;
ce4defa0 8224#endif
c0d472b1 8225#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
9d33b76b 8226#ifdef TARGET_NR_fstatat64
6a24a778 8227 case TARGET_NR_fstatat64:
9d33b76b
AJ		 8228#endif
8229#ifdef TARGET_NR_newfstatat
8230 case TARGET_NR_newfstatat:
8231#endif
6a24a778
AZ		 8232 if (!(p = lock_user_string(arg2)))
8233 goto efault;
c0d472b1 8234 ret = get_errno(fstatat(arg1, path(p), &st, arg4));
6a24a778
AZ		 8235 if (!is_error(ret))
8236 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 8237 break;
a315a145 8238#endif
67867308 8239 case TARGET_NR_lchown:
579a97f7
FB		 8240 if (!(p = lock_user_string(arg1)))
8241 goto efault;
53a5960a
PB		 8242 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
8243 unlock_user(p, arg1, 0);
67867308 8244 break;
0c866a7e 8245#ifdef TARGET_NR_getuid
67867308
FB		 8246 case TARGET_NR_getuid:
8247 ret = get_errno(high2lowuid(getuid()));
8248 break;
0c866a7e
RV		 8249#endif
8250#ifdef TARGET_NR_getgid
67867308
FB		 8251 case TARGET_NR_getgid:
8252 ret = get_errno(high2lowgid(getgid()));
8253 break;
0c866a7e
RV		 8254#endif
8255#ifdef TARGET_NR_geteuid
67867308
FB		 8256 case TARGET_NR_geteuid:
8257 ret = get_errno(high2lowuid(geteuid()));
8258 break;
0c866a7e
RV		 8259#endif
8260#ifdef TARGET_NR_getegid
67867308
FB		 8261 case TARGET_NR_getegid:
8262 ret = get_errno(high2lowgid(getegid()));
8263 break;
0c866a7e 8264#endif
67867308
FB		 8265 case TARGET_NR_setreuid:
8266 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
8267 break;
8268 case TARGET_NR_setregid:
8269 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
8270 break;
8271 case TARGET_NR_getgroups:
8272 {
8273 int gidsetsize = arg1;
0c866a7e 8274 target_id *target_grouplist;
67867308
FB		 8275 gid_t *grouplist;
8276 int i;
8277
8278 grouplist = alloca(gidsetsize * sizeof(gid_t));
8279 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 8280 if (gidsetsize == 0)
8281 break;
67867308 8282 if (!is_error(ret)) {
03903ffc 8283 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
579a97f7
FB		 8284 if (!target_grouplist)
8285 goto efault;
a2155fcc 8286 for(i = 0;i < ret; i++)
0c866a7e 8287 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
03903ffc 8288 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
67867308
FB		 8289 }
8290 }
8291 break;
8292 case TARGET_NR_setgroups:
8293 {
8294 int gidsetsize = arg1;
0c866a7e 8295 target_id *target_grouplist;
f2b79ce9 8296 gid_t *grouplist = NULL;
67867308 8297 int i;
f2b79ce9
DA		 8298 if (gidsetsize) {
8299 grouplist = alloca(gidsetsize * sizeof(gid_t));
03903ffc 8300 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
f2b79ce9
DA		 8301 if (!target_grouplist) {
8302 ret = -TARGET_EFAULT;
8303 goto fail;
8304 }
8305 for (i = 0; i < gidsetsize; i++) {
8306 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
8307 }
8308 unlock_user(target_grouplist, arg2, 0);
579a97f7 8309 }
67867308
FB		 8310 ret = get_errno(setgroups(gidsetsize, grouplist));
8311 }
8312 break;
8313 case TARGET_NR_fchown:
8314 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
8315 break;
c0d472b1 8316#if defined(TARGET_NR_fchownat)
ccfa72b7 8317 case TARGET_NR_fchownat:
579a97f7
FB		 8318 if (!(p = lock_user_string(arg2)))
8319 goto efault;
c0d472b1
PM		 8320 ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
8321 low2highgid(arg4), arg5));
579a97f7 8322 unlock_user(p, arg2, 0);
ccfa72b7
TS		 8323 break;
8324#endif
67867308
FB		 8325#ifdef TARGET_NR_setresuid
8326 case TARGET_NR_setresuid:
5fafdf24
TS		 8327 ret = get_errno(setresuid(low2highuid(arg1),
8328 low2highuid(arg2),
67867308
FB		 8329 low2highuid(arg3)));
8330 break;
8331#endif
8332#ifdef TARGET_NR_getresuid
8333 case TARGET_NR_getresuid:
8334 {
53a5960a 8335 uid_t ruid, euid, suid;
67867308
FB		 8336 ret = get_errno(getresuid(&ruid, &euid, &suid));
8337 if (!is_error(ret)) {
76ca310a
PM		 8338 if (put_user_id(high2lowuid(ruid), arg1)
8339 || put_user_id(high2lowuid(euid), arg2)
8340 || put_user_id(high2lowuid(suid), arg3))
2f619698 8341 goto efault;
67867308
FB		 8342 }
8343 }
8344 break;
8345#endif
8346#ifdef TARGET_NR_getresgid
8347 case TARGET_NR_setresgid:
5fafdf24
TS		 8348 ret = get_errno(setresgid(low2highgid(arg1),
8349 low2highgid(arg2),
67867308
FB		 8350 low2highgid(arg3)));
8351 break;
8352#endif
8353#ifdef TARGET_NR_getresgid
8354 case TARGET_NR_getresgid:
8355 {
53a5960a 8356 gid_t rgid, egid, sgid;
67867308
FB		 8357 ret = get_errno(getresgid(&rgid, &egid, &sgid));
8358 if (!is_error(ret)) {
76ca310a
PM		 8359 if (put_user_id(high2lowgid(rgid), arg1)
8360 || put_user_id(high2lowgid(egid), arg2)
8361 || put_user_id(high2lowgid(sgid), arg3))
2f619698 8362 goto efault;
67867308
FB		 8363 }
8364 }
8365 break;
8366#endif
8367 case TARGET_NR_chown:
579a97f7
FB		 8368 if (!(p = lock_user_string(arg1)))
8369 goto efault;
53a5960a
PB		 8370 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
8371 unlock_user(p, arg1, 0);
67867308
FB		 8372 break;
8373 case TARGET_NR_setuid:
8374 ret = get_errno(setuid(low2highuid(arg1)));
8375 break;
8376 case TARGET_NR_setgid:
8377 ret = get_errno(setgid(low2highgid(arg1)));
8378 break;
8379 case TARGET_NR_setfsuid:
8380 ret = get_errno(setfsuid(arg1));
8381 break;
8382 case TARGET_NR_setfsgid:
8383 ret = get_errno(setfsgid(arg1));
8384 break;
67867308 8385
a315a145 8386#ifdef TARGET_NR_lchown32
31e31b8a 8387 case TARGET_NR_lchown32:
579a97f7
FB		 8388 if (!(p = lock_user_string(arg1)))
8389 goto efault;
53a5960a
PB		 8390 ret = get_errno(lchown(p, arg2, arg3));
8391 unlock_user(p, arg1, 0);
b03c60f3 8392 break;
a315a145
FB		 8393#endif
8394#ifdef TARGET_NR_getuid32
31e31b8a 8395 case TARGET_NR_getuid32:
b03c60f3
FB		 8396 ret = get_errno(getuid());
8397 break;
a315a145 8398#endif
64b4d28c
AJ		 8399
8400#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
8401 /* Alpha specific */
8402 case TARGET_NR_getxuid:
ba0e276d
RH		 8403 {
8404 uid_t euid;
8405 euid=geteuid();
8406 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
8407 }
64b4d28c
AJ		 8408 ret = get_errno(getuid());
8409 break;
8410#endif
8411#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
8412 /* Alpha specific */
8413 case TARGET_NR_getxgid:
ba0e276d
RH		 8414 {
8415 uid_t egid;
8416 egid=getegid();
8417 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
8418 }
64b4d28c
AJ		 8419 ret = get_errno(getgid());
8420 break;
8421#endif
ba0e276d
RH		 8422#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
8423 /* Alpha specific */
8424 case TARGET_NR_osf_getsysinfo:
8425 ret = -TARGET_EOPNOTSUPP;
8426 switch (arg1) {
8427 case TARGET_GSI_IEEE_FP_CONTROL:
8428 {
8429 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
8430
8431 /* Copied from linux ieee_fpcr_to_swcr. */
8432 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
8433 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
8434 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
8435 | SWCR_TRAP_ENABLE_DZE
8436 | SWCR_TRAP_ENABLE_OVF);
8437 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
8438 | SWCR_TRAP_ENABLE_INE);
8439 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
8440 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
8441
8442 if (put_user_u64 (swcr, arg2))
8443 goto efault;
8444 ret = 0;
8445 }
8446 break;
8447
8448 /* case GSI_IEEE_STATE_AT_SIGNAL:
8449 -- Not implemented in linux kernel.
8450 case GSI_UACPROC:
8451 -- Retrieves current unaligned access state; not much used.
8452 case GSI_PROC_TYPE:
8453 -- Retrieves implver information; surely not used.
8454 case GSI_GET_HWRPB:
8455 -- Grabs a copy of the HWRPB; surely not used.
8456 */
8457 }
8458 break;
8459#endif
8460#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
8461 /* Alpha specific */
8462 case TARGET_NR_osf_setsysinfo:
8463 ret = -TARGET_EOPNOTSUPP;
8464 switch (arg1) {
8465 case TARGET_SSI_IEEE_FP_CONTROL:
ba0e276d
RH		 8466 {
8467 uint64_t swcr, fpcr, orig_fpcr;
8468
6e06d515 8469 if (get_user_u64 (swcr, arg2)) {
ba0e276d 8470 goto efault;
6e06d515
RH		 8471 }
8472 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d
RH		 8473 fpcr = orig_fpcr & FPCR_DYN_MASK;
8474
8475 /* Copied from linux ieee_swcr_to_fpcr. */
8476 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
8477 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
8478 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
8479 | SWCR_TRAP_ENABLE_DZE
8480 | SWCR_TRAP_ENABLE_OVF)) << 48;
8481 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
8482 | SWCR_TRAP_ENABLE_INE)) << 57;
8483 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
8484 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
8485
6e06d515 8486 cpu_alpha_store_fpcr(cpu_env, fpcr);
ba0e276d 8487 ret = 0;
6e06d515
RH		 8488 }
8489 break;
8490
8491 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
8492 {
8493 uint64_t exc, fpcr, orig_fpcr;
8494 int si_code;
8495
8496 if (get_user_u64(exc, arg2)) {
8497 goto efault;
8498 }
ba0e276d 8499
6e06d515 8500 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d 8501
6e06d515
RH		 8502 /* We only add to the exception status here. */
8503 fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
8504
8505 cpu_alpha_store_fpcr(cpu_env, fpcr);
8506 ret = 0;
8507
8508 /* Old exceptions are not signaled. */
8509 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
8510
8511 /* If any exceptions set by this call,
8512 and are unmasked, send a signal. */
8513 si_code = 0;
8514 if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
8515 si_code = TARGET_FPE_FLTRES;
8516 }
8517 if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
8518 si_code = TARGET_FPE_FLTUND;
8519 }
8520 if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
8521 si_code = TARGET_FPE_FLTOVF;
8522 }
8523 if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
8524 si_code = TARGET_FPE_FLTDIV;
8525 }
8526 if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
8527 si_code = TARGET_FPE_FLTINV;
8528 }
8529 if (si_code != 0) {
8530 target_siginfo_t info;
8531 info.si_signo = SIGFPE;
8532 info.si_errno = 0;
8533 info.si_code = si_code;
8534 info._sifields._sigfault._addr
8535 = ((CPUArchState *)cpu_env)->pc;
8536 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
ba0e276d
RH		 8537 }
8538 }
8539 break;
8540
8541 /* case SSI_NVPAIRS:
8542 -- Used with SSIN_UACPROC to enable unaligned accesses.
8543 case SSI_IEEE_STATE_AT_SIGNAL:
8544 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
8545 -- Not implemented in linux kernel
8546 */
8547 }
8548 break;
8549#endif
8550#ifdef TARGET_NR_osf_sigprocmask
8551 /* Alpha specific. */
8552 case TARGET_NR_osf_sigprocmask:
8553 {
8554 abi_ulong mask;
bc088ba1 8555 int how;
ba0e276d
RH		 8556 sigset_t set, oldset;
8557
8558 switch(arg1) {
8559 case TARGET_SIG_BLOCK:
8560 how = SIG_BLOCK;
8561 break;
8562 case TARGET_SIG_UNBLOCK:
8563 how = SIG_UNBLOCK;
8564 break;
8565 case TARGET_SIG_SETMASK:
8566 how = SIG_SETMASK;
8567 break;
8568 default:
8569 ret = -TARGET_EINVAL;
8570 goto fail;
8571 }
8572 mask = arg2;
8573 target_to_host_old_sigset(&set, &mask);
1c275925 8574 do_sigprocmask(how, &set, &oldset);
ba0e276d
RH		 8575 host_to_target_old_sigset(&mask, &oldset);
8576 ret = mask;
8577 }
8578 break;
8579#endif
64b4d28c 8580
a315a145 8581#ifdef TARGET_NR_getgid32
31e31b8a 8582 case TARGET_NR_getgid32:
b03c60f3
FB		 8583 ret = get_errno(getgid());
8584 break;
a315a145
FB		 8585#endif
8586#ifdef TARGET_NR_geteuid32
31e31b8a 8587 case TARGET_NR_geteuid32:
b03c60f3
FB		 8588 ret = get_errno(geteuid());
8589 break;
a315a145
FB		 8590#endif
8591#ifdef TARGET_NR_getegid32
31e31b8a 8592 case TARGET_NR_getegid32:
b03c60f3
FB		 8593 ret = get_errno(getegid());
8594 break;
a315a145
FB		 8595#endif
8596#ifdef TARGET_NR_setreuid32
31e31b8a 8597 case TARGET_NR_setreuid32:
b03c60f3
FB		 8598 ret = get_errno(setreuid(arg1, arg2));
8599 break;
a315a145
FB		 8600#endif
8601#ifdef TARGET_NR_setregid32
31e31b8a 8602 case TARGET_NR_setregid32:
b03c60f3
FB		 8603 ret = get_errno(setregid(arg1, arg2));
8604 break;
a315a145
FB		 8605#endif
8606#ifdef TARGET_NR_getgroups32
31e31b8a 8607 case TARGET_NR_getgroups32:
99c475ab
FB		 8608 {
8609 int gidsetsize = arg1;
53a5960a 8610 uint32_t *target_grouplist;
99c475ab
FB		 8611 gid_t *grouplist;
8612 int i;
8613
8614 grouplist = alloca(gidsetsize * sizeof(gid_t));
8615 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 8616 if (gidsetsize == 0)
8617 break;
99c475ab 8618 if (!is_error(ret)) {
579a97f7
FB		 8619 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
8620 if (!target_grouplist) {
8621 ret = -TARGET_EFAULT;
8622 goto fail;
8623 }
a2155fcc 8624 for(i = 0;i < ret; i++)
53a5960a
PB		 8625 target_grouplist[i] = tswap32(grouplist[i]);
8626 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 8627 }
8628 }
8629 break;
a315a145
FB		 8630#endif
8631#ifdef TARGET_NR_setgroups32
31e31b8a 8632 case TARGET_NR_setgroups32:
99c475ab
FB		 8633 {
8634 int gidsetsize = arg1;
53a5960a 8635 uint32_t *target_grouplist;
99c475ab
FB		 8636 gid_t *grouplist;
8637 int i;
3b46e624 8638
99c475ab 8639 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 8640 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
8641 if (!target_grouplist) {
8642 ret = -TARGET_EFAULT;
8643 goto fail;
8644 }
99c475ab 8645 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 8646 grouplist[i] = tswap32(target_grouplist[i]);
8647 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 8648 ret = get_errno(setgroups(gidsetsize, grouplist));
8649 }
8650 break;
a315a145
FB		 8651#endif
8652#ifdef TARGET_NR_fchown32
31e31b8a 8653 case TARGET_NR_fchown32:
b03c60f3
FB		 8654 ret = get_errno(fchown(arg1, arg2, arg3));
8655 break;
a315a145
FB		 8656#endif
8657#ifdef TARGET_NR_setresuid32
31e31b8a 8658 case TARGET_NR_setresuid32:
b03c60f3
FB		 8659 ret = get_errno(setresuid(arg1, arg2, arg3));
8660 break;
a315a145
FB		 8661#endif
8662#ifdef TARGET_NR_getresuid32
31e31b8a 8663 case TARGET_NR_getresuid32:
b03c60f3 8664 {
53a5960a 8665 uid_t ruid, euid, suid;
b03c60f3
FB		 8666 ret = get_errno(getresuid(&ruid, &euid, &suid));
8667 if (!is_error(ret)) {
2f619698
FB		 8668 if (put_user_u32(ruid, arg1)
8669 || put_user_u32(euid, arg2)
8670 || put_user_u32(suid, arg3))
8671 goto efault;
b03c60f3
FB		 8672 }
8673 }
8674 break;
a315a145
FB		 8675#endif
8676#ifdef TARGET_NR_setresgid32
31e31b8a 8677 case TARGET_NR_setresgid32:
b03c60f3
FB		 8678 ret = get_errno(setresgid(arg1, arg2, arg3));
8679 break;
a315a145
FB		 8680#endif
8681#ifdef TARGET_NR_getresgid32
31e31b8a 8682 case TARGET_NR_getresgid32:
b03c60f3 8683 {
53a5960a 8684 gid_t rgid, egid, sgid;
b03c60f3
FB		 8685 ret = get_errno(getresgid(&rgid, &egid, &sgid));
8686 if (!is_error(ret)) {
2f619698
FB		 8687 if (put_user_u32(rgid, arg1)
8688 || put_user_u32(egid, arg2)
8689 || put_user_u32(sgid, arg3))
8690 goto efault;
b03c60f3
FB		 8691 }
8692 }
8693 break;
a315a145
FB		 8694#endif
8695#ifdef TARGET_NR_chown32
31e31b8a 8696 case TARGET_NR_chown32:
579a97f7
FB		 8697 if (!(p = lock_user_string(arg1)))
8698 goto efault;
53a5960a
PB		 8699 ret = get_errno(chown(p, arg2, arg3));
8700 unlock_user(p, arg1, 0);
b03c60f3 8701 break;
a315a145
FB		 8702#endif
8703#ifdef TARGET_NR_setuid32
31e31b8a 8704 case TARGET_NR_setuid32:
b03c60f3
FB		 8705 ret = get_errno(setuid(arg1));
8706 break;
a315a145
FB		 8707#endif
8708#ifdef TARGET_NR_setgid32
31e31b8a 8709 case TARGET_NR_setgid32:
b03c60f3
FB		 8710 ret = get_errno(setgid(arg1));
8711 break;
a315a145
FB		 8712#endif
8713#ifdef TARGET_NR_setfsuid32
31e31b8a 8714 case TARGET_NR_setfsuid32:
b03c60f3
FB		 8715 ret = get_errno(setfsuid(arg1));
8716 break;
a315a145
FB		 8717#endif
8718#ifdef TARGET_NR_setfsgid32
31e31b8a 8719 case TARGET_NR_setfsgid32:
b03c60f3
FB		 8720 ret = get_errno(setfsgid(arg1));
8721 break;
a315a145 8722#endif
67867308 8723
31e31b8a 8724 case TARGET_NR_pivot_root:
b03c60f3 8725 goto unimplemented;
ffa65c3b 8726#ifdef TARGET_NR_mincore
31e31b8a 8727 case TARGET_NR_mincore:
04bb9ace
AJ		 8728 {
8729 void *a;
8730 ret = -TARGET_EFAULT;
8731 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
8732 goto efault;
8733 if (!(p = lock_user_string(arg3)))
8734 goto mincore_fail;
8735 ret = get_errno(mincore(a, arg2, p));
8736 unlock_user(p, arg3, ret);
8737 mincore_fail:
8738 unlock_user(a, arg1, 0);
8739 }
8740 break;
ffa65c3b 8741#endif
408321b6
AJ		 8742#ifdef TARGET_NR_arm_fadvise64_64
8743 case TARGET_NR_arm_fadvise64_64:
8744 {
8745 /*
8746 * arm_fadvise64_64 looks like fadvise64_64 but
8747 * with different argument order
8748 */
8749 abi_long temp;
8750 temp = arg3;
8751 arg3 = arg4;
8752 arg4 = temp;
8753 }
8754#endif
e72d2cc7 8755#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 8756#ifdef TARGET_NR_fadvise64_64
8757 case TARGET_NR_fadvise64_64:
8758#endif
e72d2cc7
UH		 8759#ifdef TARGET_NR_fadvise64
8760 case TARGET_NR_fadvise64:
8761#endif
8762#ifdef TARGET_S390X
8763 switch (arg4) {
8764 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
8765 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
8766 case 6: arg4 = POSIX_FADV_DONTNEED; break;
8767 case 7: arg4 = POSIX_FADV_NOREUSE; break;
8768 default: break;
8769 }
8770#endif
8771 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 8772 break;
8773#endif
ffa65c3b 8774#ifdef TARGET_NR_madvise
31e31b8a 8775 case TARGET_NR_madvise:
24836689 8776 /* A straight passthrough may not be safe because qemu sometimes
d2d6b857 8777 turns private file-backed mappings into anonymous mappings.
24836689
PB		 8778 This will break MADV_DONTNEED.
8779 This is a hint, so ignoring and returning success is ok. */
8780 ret = get_errno(0);
8781 break;
ffa65c3b 8782#endif
992f48a0 8783#if TARGET_ABI_BITS == 32
31e31b8a 8784 case TARGET_NR_fcntl64:
77e4672d 8785 {
b1e341eb 8786 int cmd;
77e4672d 8787 struct flock64 fl;
53a5960a 8788 struct target_flock64 *target_fl;
ce4defa0 8789#ifdef TARGET_ARM
53a5960a 8790 struct target_eabi_flock64 *target_efl;
ce4defa0 8791#endif
77e4672d 8792
5f106811 8793 cmd = target_to_host_fcntl_cmd(arg2);
31b63193
PM		 8794 if (cmd == -TARGET_EINVAL) {
8795 ret = cmd;
8796 break;
8797 }
b1e341eb 8798
60cd49d5 8799 switch(arg2) {
b1e341eb 8800 case TARGET_F_GETLK64:
5813427b
TS		 8801#ifdef TARGET_ARM
8802 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8803 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8804 goto efault;
5813427b
TS		 8805 fl.l_type = tswap16(target_efl->l_type);
8806 fl.l_whence = tswap16(target_efl->l_whence);
8807 fl.l_start = tswap64(target_efl->l_start);
8808 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8809 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 8810 unlock_user_struct(target_efl, arg3, 0);
8811 } else
8812#endif
8813 {
9ee1fa2c
FB		 8814 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8815 goto efault;
5813427b
TS		 8816 fl.l_type = tswap16(target_fl->l_type);
8817 fl.l_whence = tswap16(target_fl->l_whence);
8818 fl.l_start = tswap64(target_fl->l_start);
8819 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8820 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 8821 unlock_user_struct(target_fl, arg3, 0);
8822 }
b1e341eb 8823 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8824 if (ret == 0) {
ce4defa0
PB		 8825#ifdef TARGET_ARM
8826 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8827 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
8828 goto efault;
ce4defa0
PB		 8829 target_efl->l_type = tswap16(fl.l_type);
8830 target_efl->l_whence = tswap16(fl.l_whence);
8831 target_efl->l_start = tswap64(fl.l_start);
8832 target_efl->l_len = tswap64(fl.l_len);
7e22e546 8833 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 8834 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 8835 } else
8836#endif
8837 {
9ee1fa2c
FB		 8838 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
8839 goto efault;
ce4defa0
PB		 8840 target_fl->l_type = tswap16(fl.l_type);
8841 target_fl->l_whence = tswap16(fl.l_whence);
8842 target_fl->l_start = tswap64(fl.l_start);
8843 target_fl->l_len = tswap64(fl.l_len);
7e22e546 8844 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 8845 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 8846 }
77e4672d
FB		 8847 }
8848 break;
8849
b1e341eb
TS		 8850 case TARGET_F_SETLK64:
8851 case TARGET_F_SETLKW64:
ce4defa0
PB		 8852#ifdef TARGET_ARM
8853 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8854 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8855 goto efault;
ce4defa0
PB		 8856 fl.l_type = tswap16(target_efl->l_type);
8857 fl.l_whence = tswap16(target_efl->l_whence);
8858 fl.l_start = tswap64(target_efl->l_start);
8859 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8860 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 8861 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 8862 } else
8863#endif
8864 {
9ee1fa2c
FB		 8865 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8866 goto efault;
ce4defa0
PB		 8867 fl.l_type = tswap16(target_fl->l_type);
8868 fl.l_whence = tswap16(target_fl->l_whence);
8869 fl.l_start = tswap64(target_fl->l_start);
8870 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8871 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 8872 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 8873 }
b1e341eb 8874 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8875 break;
60cd49d5 8876 default:
5f106811 8877 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 8878 break;
8879 }
77e4672d
FB		 8880 break;
8881 }
60cd49d5 8882#endif
7d600c80
TS		 8883#ifdef TARGET_NR_cacheflush
8884 case TARGET_NR_cacheflush:
8885 /* self-modifying code is handled automatically, so nothing needed */
8886 ret = 0;
8887 break;
8888#endif
ebc05488 8889#ifdef TARGET_NR_security
31e31b8a
FB		 8890 case TARGET_NR_security:
8891 goto unimplemented;
c573ff67
FB		 8892#endif
8893#ifdef TARGET_NR_getpagesize
8894 case TARGET_NR_getpagesize:
8895 ret = TARGET_PAGE_SIZE;
8896 break;
ebc05488 8897#endif
31e31b8a
FB		 8898 case TARGET_NR_gettid:
8899 ret = get_errno(gettid());
8900 break;
e5febef5 8901#ifdef TARGET_NR_readahead
31e31b8a 8902 case TARGET_NR_readahead:
2054ac9b 8903#if TARGET_ABI_BITS == 32
48e515d4 8904 if (regpairs_aligned(cpu_env)) {
2054ac9b
AJ		 8905 arg2 = arg3;
8906 arg3 = arg4;
8907 arg4 = arg5;
8908 }
2054ac9b
AJ		 8909 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
8910#else
8911 ret = get_errno(readahead(arg1, arg2, arg3));
8912#endif
8913 break;
e5febef5 8914#endif
a790ae38 8915#ifdef CONFIG_ATTR
ebc05488 8916#ifdef TARGET_NR_setxattr
31e31b8a
FB		 8917 case TARGET_NR_listxattr:
8918 case TARGET_NR_llistxattr:
fb5590f7
PM		 8919 {
8920 void *p, *b = 0;
8921 if (arg2) {
8922 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8923 if (!b) {
8924 ret = -TARGET_EFAULT;
8925 break;
8926 }
8927 }
8928 p = lock_user_string(arg1);
8929 if (p) {
8930 if (num == TARGET_NR_listxattr) {
8931 ret = get_errno(listxattr(p, b, arg3));
8932 } else {
8933 ret = get_errno(llistxattr(p, b, arg3));
8934 }
8935 } else {
8936 ret = -TARGET_EFAULT;
8937 }
8938 unlock_user(p, arg1, 0);
8939 unlock_user(b, arg2, arg3);
8940 break;
8941 }
31e31b8a 8942 case TARGET_NR_flistxattr:
fb5590f7
PM		 8943 {
8944 void *b = 0;
8945 if (arg2) {
8946 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8947 if (!b) {
8948 ret = -TARGET_EFAULT;
8949 break;
8950 }
8951 }
8952 ret = get_errno(flistxattr(arg1, b, arg3));
8953 unlock_user(b, arg2, arg3);
6f932f91 8954 break;
fb5590f7 8955 }
a790ae38 8956 case TARGET_NR_setxattr:
30297b55 8957 case TARGET_NR_lsetxattr:
a790ae38 8958 {
e3c33ec6
PM		 8959 void *p, *n, *v = 0;
8960 if (arg3) {
8961 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8962 if (!v) {
8963 ret = -TARGET_EFAULT;
8964 break;
8965 }
8966 }
a790ae38
ACH		 8967 p = lock_user_string(arg1);
8968 n = lock_user_string(arg2);
e3c33ec6 8969 if (p && n) {
30297b55
PM		 8970 if (num == TARGET_NR_setxattr) {
8971 ret = get_errno(setxattr(p, n, v, arg4, arg5));
8972 } else {
8973 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
8974 }
a790ae38
ACH		 8975 } else {
8976 ret = -TARGET_EFAULT;
8977 }
8978 unlock_user(p, arg1, 0);
8979 unlock_user(n, arg2, 0);
8980 unlock_user(v, arg3, 0);
8981 }
8982 break;
30297b55
PM		 8983 case TARGET_NR_fsetxattr:
8984 {
8985 void *n, *v = 0;
8986 if (arg3) {
8987 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8988 if (!v) {
8989 ret = -TARGET_EFAULT;
8990 break;
8991 }
8992 }
8993 n = lock_user_string(arg2);
8994 if (n) {
8995 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
8996 } else {
8997 ret = -TARGET_EFAULT;
8998 }
8999 unlock_user(n, arg2, 0);
9000 unlock_user(v, arg3, 0);
9001 }
9002 break;
a790ae38 9003 case TARGET_NR_getxattr:
30297b55 9004 case TARGET_NR_lgetxattr:
a790ae38 9005 {
e3c33ec6
PM		 9006 void *p, *n, *v = 0;
9007 if (arg3) {
9008 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
9009 if (!v) {
9010 ret = -TARGET_EFAULT;
9011 break;
9012 }
9013 }
a790ae38
ACH		 9014 p = lock_user_string(arg1);
9015 n = lock_user_string(arg2);
e3c33ec6 9016 if (p && n) {
30297b55
PM		 9017 if (num == TARGET_NR_getxattr) {
9018 ret = get_errno(getxattr(p, n, v, arg4));
9019 } else {
9020 ret = get_errno(lgetxattr(p, n, v, arg4));
9021 }
a790ae38
ACH		 9022 } else {
9023 ret = -TARGET_EFAULT;
9024 }
9025 unlock_user(p, arg1, 0);
9026 unlock_user(n, arg2, 0);
9027 unlock_user(v, arg3, arg4);
9028 }
9029 break;
30297b55
PM		 9030 case TARGET_NR_fgetxattr:
9031 {
9032 void *n, *v = 0;
9033 if (arg3) {
9034 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
9035 if (!v) {
9036 ret = -TARGET_EFAULT;
9037 break;
9038 }
9039 }
9040 n = lock_user_string(arg2);
9041 if (n) {
9042 ret = get_errno(fgetxattr(arg1, n, v, arg4));
9043 } else {
9044 ret = -TARGET_EFAULT;
9045 }
9046 unlock_user(n, arg2, 0);
9047 unlock_user(v, arg3, arg4);
9048 }
9049 break;
a790ae38 9050 case TARGET_NR_removexattr:
30297b55 9051 case TARGET_NR_lremovexattr:
a790ae38
ACH		 9052 {
9053 void *p, *n;
9054 p = lock_user_string(arg1);
9055 n = lock_user_string(arg2);
9056 if (p && n) {
30297b55
PM		 9057 if (num == TARGET_NR_removexattr) {
9058 ret = get_errno(removexattr(p, n));
9059 } else {
9060 ret = get_errno(lremovexattr(p, n));
9061 }
a790ae38
ACH		 9062 } else {
9063 ret = -TARGET_EFAULT;
9064 }
9065 unlock_user(p, arg1, 0);
9066 unlock_user(n, arg2, 0);
9067 }
9068 break;
30297b55
PM		 9069 case TARGET_NR_fremovexattr:
9070 {
9071 void *n;
9072 n = lock_user_string(arg2);
9073 if (n) {
9074 ret = get_errno(fremovexattr(arg1, n));
9075 } else {
9076 ret = -TARGET_EFAULT;
9077 }
9078 unlock_user(n, arg2, 0);
9079 }
9080 break;
ebc05488 9081#endif
a790ae38 9082#endif /* CONFIG_ATTR */
ebc05488 9083#ifdef TARGET_NR_set_thread_area
5cd4393b 9084 case TARGET_NR_set_thread_area:
8d18e893 9085#if defined(TARGET_MIPS)
d279279e 9086 ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1;
6f5b89a0
TS		 9087 ret = 0;
9088 break;
ef96779b
EI		 9089#elif defined(TARGET_CRIS)
9090 if (arg1 & 0xff)
9091 ret = -TARGET_EINVAL;
9092 else {
9093 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
9094 ret = 0;
9095 }
9096 break;
8d18e893
FB		 9097#elif defined(TARGET_I386) && defined(TARGET_ABI32)
9098 ret = do_set_thread_area(cpu_env, arg1);
9099 break;
1ccd9374
PM		 9100#elif defined(TARGET_M68K)
9101 {
0429a971 9102 TaskState *ts = cpu->opaque;
1ccd9374 9103 ts->tp_value = arg1;
95c1eb19 9104 ret = 0;
1ccd9374
PM		 9105 break;
9106 }
6f5b89a0
TS		 9107#else
9108 goto unimplemented_nowarn;
9109#endif
9110#endif
9111#ifdef TARGET_NR_get_thread_area
5cd4393b 9112 case TARGET_NR_get_thread_area:
8d18e893
FB		 9113#if defined(TARGET_I386) && defined(TARGET_ABI32)
9114 ret = do_get_thread_area(cpu_env, arg1);
d312bbe1 9115 break;
1ccd9374
PM		 9116#elif defined(TARGET_M68K)
9117 {
0429a971 9118 TaskState *ts = cpu->opaque;
1ccd9374
PM		 9119 ret = ts->tp_value;
9120 break;
9121 }
8d18e893 9122#else
5cd4393b 9123 goto unimplemented_nowarn;
48dc41eb 9124#endif
8d18e893 9125#endif
48dc41eb
FB		 9126#ifdef TARGET_NR_getdomainname
9127 case TARGET_NR_getdomainname:
9128 goto unimplemented_nowarn;
ebc05488 9129#endif
6f5b89a0 9130
b5906f95
TS		 9131#ifdef TARGET_NR_clock_gettime
9132 case TARGET_NR_clock_gettime:
9133 {
9134 struct timespec ts;
9135 ret = get_errno(clock_gettime(arg1, &ts));
9136 if (!is_error(ret)) {
9137 host_to_target_timespec(arg2, &ts);
9138 }
9139 break;
9140 }
9141#endif
9142#ifdef TARGET_NR_clock_getres
9143 case TARGET_NR_clock_getres:
9144 {
9145 struct timespec ts;
9146 ret = get_errno(clock_getres(arg1, &ts));
9147 if (!is_error(ret)) {
9148 host_to_target_timespec(arg2, &ts);
9149 }
9150 break;
9151 }
9152#endif
63d7651b
PB		 9153#ifdef TARGET_NR_clock_nanosleep
9154 case TARGET_NR_clock_nanosleep:
9155 {
9156 struct timespec ts;
9157 target_to_host_timespec(&ts, arg3);
9158 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
9159 if (arg4)
9160 host_to_target_timespec(arg4, &ts);
8fbe8fdf
TM		 9161
9162#if defined(TARGET_PPC)
9163 /* clock_nanosleep is odd in that it returns positive errno values.
9164 * On PPC, CR0 bit 3 should be set in such a situation. */
9165 if (ret) {
9166 ((CPUPPCState *)cpu_env)->crf[0] |= 1;
9167 }
9168#endif
63d7651b
PB		 9169 break;
9170 }
9171#endif
b5906f95 9172
6f5b89a0
TS		 9173#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
9174 case TARGET_NR_set_tid_address:
579a97f7
FB		 9175 ret = get_errno(set_tid_address((int *)g2h(arg1)));
9176 break;
6f5b89a0
TS		 9177#endif
9178
3ae43202 9179#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 9180 case TARGET_NR_tkill:
4cb05961 9181 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 9182 break;
9183#endif
9184
3ae43202 9185#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 9186 case TARGET_NR_tgkill:
4cb05961
PB		 9187 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
9188 target_to_host_signal(arg3)));
71455574
TS		 9189 break;
9190#endif
9191
4f2b1fe8
TS		 9192#ifdef TARGET_NR_set_robust_list
9193 case TARGET_NR_set_robust_list:
e9a970a8
PM		 9194 case TARGET_NR_get_robust_list:
9195 /* The ABI for supporting robust futexes has userspace pass
9196 * the kernel a pointer to a linked list which is updated by
9197 * userspace after the syscall; the list is walked by the kernel
9198 * when the thread exits. Since the linked list in QEMU guest
9199 * memory isn't a valid linked list for the host and we have
9200 * no way to reliably intercept the thread-death event, we can't
9201 * support these. Silently return ENOSYS so that guest userspace
9202 * falls back to a non-robust futex implementation (which should
9203 * be OK except in the corner case of the guest crashing while
9204 * holding a mutex that is shared with another process via
9205 * shared memory).
9206 */
9207 goto unimplemented_nowarn;
4f2b1fe8
TS		 9208#endif
9209
1acae9f2 9210#if defined(TARGET_NR_utimensat)
9007f0ef
TS		 9211 case TARGET_NR_utimensat:
9212 {
ebc996f3
RV		 9213 struct timespec *tsp, ts[2];
9214 if (!arg3) {
9215 tsp = NULL;
9216 } else {
9217 target_to_host_timespec(ts, arg3);
9218 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
9219 tsp = ts;
9220 }
9007f0ef 9221 if (!arg2)
ebc996f3 9222 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 9223 else {
579a97f7 9224 if (!(p = lock_user_string(arg2))) {
0da46a6e 9225 ret = -TARGET_EFAULT;
579a97f7
FB		 9226 goto fail;
9227 }
ebc996f3 9228 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 9229 unlock_user(p, arg2, 0);
9007f0ef
TS		 9230 }
9231 }
9232 break;
9233#endif
bd0c5661
PB		 9234 case TARGET_NR_futex:
9235 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
9236 break;
dbfe4c36 9237#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 9238 case TARGET_NR_inotify_init:
9239 ret = get_errno(sys_inotify_init());
9240 break;
9241#endif
a1606b0b 9242#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 9243#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
9244 case TARGET_NR_inotify_init1:
9245 ret = get_errno(sys_inotify_init1(arg1));
9246 break;
9247#endif
a1606b0b 9248#endif
dbfe4c36 9249#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 9250 case TARGET_NR_inotify_add_watch:
9251 p = lock_user_string(arg2);
9252 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
9253 unlock_user(p, arg2, 0);
9254 break;
9255#endif
dbfe4c36 9256#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 9257 case TARGET_NR_inotify_rm_watch:
9258 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
9259 break;
9260#endif
9007f0ef 9261
8ec9cf89 9262#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 9263 case TARGET_NR_mq_open:
9264 {
b6ce1f6b 9265 struct mq_attr posix_mq_attr, *attrp;
24e1003a
AJ		 9266
9267 p = lock_user_string(arg1 - 1);
b6ce1f6b 9268 if (arg4 != 0) {
24e1003a 9269 copy_from_user_mq_attr (&posix_mq_attr, arg4);
b6ce1f6b
TM		 9270 attrp = &posix_mq_attr;
9271 } else {
9272 attrp = 0;
9273 }
9274 ret = get_errno(mq_open(p, arg2, arg3, attrp));
24e1003a
AJ		 9275 unlock_user (p, arg1, 0);
9276 }
9277 break;
9278
9279 case TARGET_NR_mq_unlink:
9280 p = lock_user_string(arg1 - 1);
9281 ret = get_errno(mq_unlink(p));
9282 unlock_user (p, arg1, 0);
9283 break;
9284
9285 case TARGET_NR_mq_timedsend:
9286 {
9287 struct timespec ts;
9288
9289 p = lock_user (VERIFY_READ, arg2, arg3, 1);
9290 if (arg5 != 0) {
9291 target_to_host_timespec(&ts, arg5);
9292 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
9293 host_to_target_timespec(arg5, &ts);
9294 }
9295 else
9296 ret = get_errno(mq_send(arg1, p, arg3, arg4));
9297 unlock_user (p, arg2, arg3);
9298 }
9299 break;
9300
9301 case TARGET_NR_mq_timedreceive:
9302 {
9303 struct timespec ts;
9304 unsigned int prio;
9305
9306 p = lock_user (VERIFY_READ, arg2, arg3, 1);
9307 if (arg5 != 0) {
9308 target_to_host_timespec(&ts, arg5);
9309 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
9310 host_to_target_timespec(arg5, &ts);
9311 }
9312 else
9313 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
9314 unlock_user (p, arg2, arg3);
9315 if (arg4 != 0)
9316 put_user_u32(prio, arg4);
9317 }
9318 break;
9319
9320 /* Not implemented for now... */
9321/* case TARGET_NR_mq_notify: */
9322/* break; */
9323
9324 case TARGET_NR_mq_getsetattr:
9325 {
9326 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
9327 ret = 0;
9328 if (arg3 != 0) {
9329 ret = mq_getattr(arg1, &posix_mq_attr_out);
9330 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
9331 }
9332 if (arg2 != 0) {
9333 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
9334 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
9335 }
9336
9337 }
9338 break;
9339#endif
9340
3ce34dfb
VS		 9341#ifdef CONFIG_SPLICE
9342#ifdef TARGET_NR_tee
9343 case TARGET_NR_tee:
9344 {
9345 ret = get_errno(tee(arg1,arg2,arg3,arg4));
9346 }
9347 break;
9348#endif
9349#ifdef TARGET_NR_splice
9350 case TARGET_NR_splice:
9351 {
9352 loff_t loff_in, loff_out;
9353 loff_t *ploff_in = NULL, *ploff_out = NULL;
9354 if(arg2) {
9355 get_user_u64(loff_in, arg2);
9356 ploff_in = &loff_in;
9357 }
9358 if(arg4) {
9359 get_user_u64(loff_out, arg2);
9360 ploff_out = &loff_out;
9361 }
9362 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
9363 }
9364 break;
9365#endif
9366#ifdef TARGET_NR_vmsplice
9367 case TARGET_NR_vmsplice:
9368 {
f287b2c2
RH		 9369 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
9370 if (vec != NULL) {
9371 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
9372 unlock_iovec(vec, arg2, arg3, 0);
9373 } else {
9374 ret = -host_to_target_errno(errno);
9375 }
3ce34dfb
VS		 9376 }
9377 break;
9378#endif
9379#endif /* CONFIG_SPLICE */
c2882b96
RV		 9380#ifdef CONFIG_EVENTFD
9381#if defined(TARGET_NR_eventfd)
9382 case TARGET_NR_eventfd:
9383 ret = get_errno(eventfd(arg1, 0));
9384 break;
9385#endif
9386#if defined(TARGET_NR_eventfd2)
9387 case TARGET_NR_eventfd2:
5947c697
PJ		 9388 {
9389 int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
9390 if (arg2 & TARGET_O_NONBLOCK) {
9391 host_flags |= O_NONBLOCK;
9392 }
9393 if (arg2 & TARGET_O_CLOEXEC) {
9394 host_flags |= O_CLOEXEC;
9395 }
9396 ret = get_errno(eventfd(arg1, host_flags));
c2882b96 9397 break;
5947c697 9398 }
c2882b96
RV		 9399#endif
9400#endif /* CONFIG_EVENTFD */
d0927938
UH		 9401#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
9402 case TARGET_NR_fallocate:
20249ae1
AG		 9403#if TARGET_ABI_BITS == 32
9404 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
9405 target_offset64(arg5, arg6)));
9406#else
d0927938 9407 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
20249ae1 9408#endif
d0927938 9409 break;
c727f47d
PM		 9410#endif
9411#if defined(CONFIG_SYNC_FILE_RANGE)
9412#if defined(TARGET_NR_sync_file_range)
9413 case TARGET_NR_sync_file_range:
9414#if TARGET_ABI_BITS == 32
bfcedc57
RV		 9415#if defined(TARGET_MIPS)
9416 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
9417 target_offset64(arg5, arg6), arg7));
9418#else
c727f47d
PM		 9419 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
9420 target_offset64(arg4, arg5), arg6));
bfcedc57 9421#endif /* !TARGET_MIPS */
c727f47d
PM		 9422#else
9423 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
9424#endif
9425 break;
9426#endif
9427#if defined(TARGET_NR_sync_file_range2)
9428 case TARGET_NR_sync_file_range2:
9429 /* This is like sync_file_range but the arguments are reordered */
9430#if TARGET_ABI_BITS == 32
9431 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
9432 target_offset64(arg5, arg6), arg2));
9433#else
9434 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
9435#endif
9436 break;
9437#endif
3b6edd16
PM		 9438#endif
9439#if defined(CONFIG_EPOLL)
9440#if defined(TARGET_NR_epoll_create)
9441 case TARGET_NR_epoll_create:
9442 ret = get_errno(epoll_create(arg1));
9443 break;
9444#endif
9445#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
9446 case TARGET_NR_epoll_create1:
9447 ret = get_errno(epoll_create1(arg1));
9448 break;
9449#endif
9450#if defined(TARGET_NR_epoll_ctl)
9451 case TARGET_NR_epoll_ctl:
9452 {
9453 struct epoll_event ep;
9454 struct epoll_event *epp = 0;
9455 if (arg4) {
9456 struct target_epoll_event *target_ep;
9457 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
9458 goto efault;
9459 }
9460 ep.events = tswap32(target_ep->events);
9461 /* The epoll_data_t union is just opaque data to the kernel,
9462 * so we transfer all 64 bits across and need not worry what
9463 * actual data type it is.
9464 */
9465 ep.data.u64 = tswap64(target_ep->data.u64);
9466 unlock_user_struct(target_ep, arg4, 0);
9467 epp = &ep;
9468 }
9469 ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
9470 break;
9471 }
9472#endif
9473
9474#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
9475#define IMPLEMENT_EPOLL_PWAIT
9476#endif
9477#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
9478#if defined(TARGET_NR_epoll_wait)
9479 case TARGET_NR_epoll_wait:
9480#endif
9481#if defined(IMPLEMENT_EPOLL_PWAIT)
9482 case TARGET_NR_epoll_pwait:
9483#endif
9484 {
9485 struct target_epoll_event *target_ep;
9486 struct epoll_event *ep;
9487 int epfd = arg1;
9488 int maxevents = arg3;
9489 int timeout = arg4;
9490
9491 target_ep = lock_user(VERIFY_WRITE, arg2,
9492 maxevents * sizeof(struct target_epoll_event), 1);
9493 if (!target_ep) {
9494 goto efault;
9495 }
9496
9497 ep = alloca(maxevents * sizeof(struct epoll_event));
9498
9499 switch (num) {
9500#if defined(IMPLEMENT_EPOLL_PWAIT)
9501 case TARGET_NR_epoll_pwait:
9502 {
9503 target_sigset_t *target_set;
9504 sigset_t _set, *set = &_set;
9505
9506 if (arg5) {
9507 target_set = lock_user(VERIFY_READ, arg5,
9508 sizeof(target_sigset_t), 1);
9509 if (!target_set) {
9510 unlock_user(target_ep, arg2, 0);
9511 goto efault;
9512 }
9513 target_to_host_sigset(set, target_set);
9514 unlock_user(target_set, arg5, 0);
9515 } else {
9516 set = NULL;
9517 }
9518
9519 ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
9520 break;
9521 }
9522#endif
9523#if defined(TARGET_NR_epoll_wait)
9524 case TARGET_NR_epoll_wait:
9525 ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
9526 break;
9527#endif
9528 default:
9529 ret = -TARGET_ENOSYS;
9530 }
9531 if (!is_error(ret)) {
9532 int i;
9533 for (i = 0; i < ret; i++) {
9534 target_ep[i].events = tswap32(ep[i].events);
9535 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
9536 }
9537 }
9538 unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
9539 break;
9540 }
9541#endif
163a05a8
PM		 9542#endif
9543#ifdef TARGET_NR_prlimit64
9544 case TARGET_NR_prlimit64:
9545 {
9546 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
9547 struct target_rlimit64 *target_rnew, *target_rold;
9548 struct host_rlimit64 rnew, rold, *rnewp = 0;
95018018 9549 int resource = target_to_host_resource(arg2);
163a05a8
PM		 9550 if (arg3) {
9551 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
9552 goto efault;
9553 }
9554 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
9555 rnew.rlim_max = tswap64(target_rnew->rlim_max);
9556 unlock_user_struct(target_rnew, arg3, 0);
9557 rnewp = &rnew;
9558 }
9559
95018018 9560 ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
163a05a8
PM		 9561 if (!is_error(ret) && arg4) {
9562 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
9563 goto efault;
9564 }
9565 target_rold->rlim_cur = tswap64(rold.rlim_cur);
9566 target_rold->rlim_max = tswap64(rold.rlim_max);
9567 unlock_user_struct(target_rold, arg4, 1);
9568 }
9569 break;
9570 }
3d21d29c
RH		 9571#endif
9572#ifdef TARGET_NR_gethostname
9573 case TARGET_NR_gethostname:
9574 {
9575 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
9576 if (name) {
9577 ret = get_errno(gethostname(name, arg2));
9578 unlock_user(name, arg1, arg2);
9579 } else {
9580 ret = -TARGET_EFAULT;
9581 }
9582 break;
9583 }
89aaf1a6
RV		 9584#endif
9585#ifdef TARGET_NR_atomic_cmpxchg_32
9586 case TARGET_NR_atomic_cmpxchg_32:
9587 {
9588 /* should use start_exclusive from main.c */
9589 abi_ulong mem_value;
9590 if (get_user_u32(mem_value, arg6)) {
9591 target_siginfo_t info;
9592 info.si_signo = SIGSEGV;
9593 info.si_errno = 0;
9594 info.si_code = TARGET_SEGV_MAPERR;
9595 info._sifields._sigfault._addr = arg6;
9596 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
9597 ret = 0xdeadbeef;
9598
9599 }
9600 if (mem_value == arg2)
9601 put_user_u32(arg1, arg6);
9602 ret = mem_value;
9603 break;
9604 }
9605#endif
9606#ifdef TARGET_NR_atomic_barrier
9607 case TARGET_NR_atomic_barrier:
9608 {
9609 /* Like the kernel implementation and the qemu arm barrier, no-op this? */
3b899ea7 9610 ret = 0;
89aaf1a6
RV		 9611 break;
9612 }
d0927938 9613#endif
f4f1e10a
ECL		 9614
9615#ifdef TARGET_NR_timer_create
9616 case TARGET_NR_timer_create:
9617 {
9618 /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */
9619
9620 struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL;
f4f1e10a
ECL		 9621
9622 int clkid = arg1;
9623 int timer_index = next_free_host_timer();
9624
9625 if (timer_index < 0) {
9626 ret = -TARGET_EAGAIN;
9627 } else {
9628 timer_t *phtimer = g_posix_timers + timer_index;
9629
9630 if (arg2) {
f4f1e10a 9631 phost_sevp = &host_sevp;
c065976f
PM		 9632 ret = target_to_host_sigevent(phost_sevp, arg2);
9633 if (ret != 0) {
9634 break;
9635 }
f4f1e10a
ECL		 9636 }
9637
9638 ret = get_errno(timer_create(clkid, phost_sevp, phtimer));
9639 if (ret) {
9640 phtimer = NULL;
9641 } else {
aecc8861 9642 if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) {
f4f1e10a
ECL		 9643 goto efault;
9644 }
f4f1e10a
ECL		 9645 }
9646 }
9647 break;
9648 }
9649#endif
9650
9651#ifdef TARGET_NR_timer_settime
9652 case TARGET_NR_timer_settime:
9653 {
9654 /* args: timer_t timerid, int flags, const struct itimerspec *new_value,
9655 * struct itimerspec * old_value */
aecc8861 9656 target_timer_t timerid = get_timer_id(arg1);
e52a99f7 9657
aecc8861
AG		 9658 if (timerid < 0) {
9659 ret = timerid;
9660 } else if (arg3 == 0) {
f4f1e10a
ECL		 9661 ret = -TARGET_EINVAL;
9662 } else {
e52a99f7 9663 timer_t htimer = g_posix_timers[timerid];
f4f1e10a
ECL		 9664 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
9665
9666 target_to_host_itimerspec(&hspec_new, arg3);
9667 ret = get_errno(
9668 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
9669 host_to_target_itimerspec(arg2, &hspec_old);
9670 }
9671 break;
9672 }
9673#endif
9674
9675#ifdef TARGET_NR_timer_gettime
9676 case TARGET_NR_timer_gettime:
9677 {
9678 /* args: timer_t timerid, struct itimerspec *curr_value */
aecc8861 9679 target_timer_t timerid = get_timer_id(arg1);
e52a99f7 9680
aecc8861
AG		 9681 if (timerid < 0) {
9682 ret = timerid;
9683 } else if (!arg2) {
9684 ret = -TARGET_EFAULT;
f4f1e10a 9685 } else {
e52a99f7 9686 timer_t htimer = g_posix_timers[timerid];
f4f1e10a
ECL		 9687 struct itimerspec hspec;
9688 ret = get_errno(timer_gettime(htimer, &hspec));
9689
9690 if (host_to_target_itimerspec(arg2, &hspec)) {
9691 ret = -TARGET_EFAULT;
9692 }
9693 }
9694 break;
9695 }
9696#endif
9697
9698#ifdef TARGET_NR_timer_getoverrun
9699 case TARGET_NR_timer_getoverrun:
9700 {
9701 /* args: timer_t timerid */
aecc8861 9702 target_timer_t timerid = get_timer_id(arg1);
e52a99f7 9703
aecc8861
AG		 9704 if (timerid < 0) {
9705 ret = timerid;
f4f1e10a 9706 } else {
e52a99f7 9707 timer_t htimer = g_posix_timers[timerid];
f4f1e10a
ECL		 9708 ret = get_errno(timer_getoverrun(htimer));
9709 }
9710 break;
9711 }
9712#endif
9713
9714#ifdef TARGET_NR_timer_delete
9715 case TARGET_NR_timer_delete:
9716 {
9717 /* args: timer_t timerid */
aecc8861 9718 target_timer_t timerid = get_timer_id(arg1);
e52a99f7 9719
aecc8861
AG		 9720 if (timerid < 0) {
9721 ret = timerid;
f4f1e10a 9722 } else {
e52a99f7 9723 timer_t htimer = g_posix_timers[timerid];
f4f1e10a 9724 ret = get_errno(timer_delete(htimer));
e52a99f7 9725 g_posix_timers[timerid] = 0;
f4f1e10a
ECL		 9726 }
9727 break;
9728 }
9729#endif
9730
51834341
RV		 9731#if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
9732 case TARGET_NR_timerfd_create:
9733 ret = get_errno(timerfd_create(arg1,
9734 target_to_host_bitmask(arg2, fcntl_flags_tbl)));
9735 break;
9736#endif
9737
9738#if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)
9739 case TARGET_NR_timerfd_gettime:
9740 {
9741 struct itimerspec its_curr;
9742
9743 ret = get_errno(timerfd_gettime(arg1, &its_curr));
9744
9745 if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) {
9746 goto efault;
9747 }
9748 }
9749 break;
9750#endif
9751
9752#if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
9753 case TARGET_NR_timerfd_settime:
9754 {
9755 struct itimerspec its_new, its_old, *p_new;
9756
9757 if (arg3) {
9758 if (target_to_host_itimerspec(&its_new, arg3)) {
9759 goto efault;
9760 }
9761 p_new = &its_new;
9762 } else {
9763 p_new = NULL;
9764 }
9765
9766 ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
9767
9768 if (arg4 && host_to_target_itimerspec(arg4, &its_old)) {
9769 goto efault;
9770 }
9771 }
9772 break;
9773#endif
9774
ab31cda3
PB		 9775#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
9776 case TARGET_NR_ioprio_get:
9777 ret = get_errno(ioprio_get(arg1, arg2));
9778 break;
9779#endif
9780
9781#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
9782 case TARGET_NR_ioprio_set:
9783 ret = get_errno(ioprio_set(arg1, arg2, arg3));
9784 break;
9785#endif
9786
9af5c906
RV		 9787#if defined(TARGET_NR_setns) && defined(CONFIG_SETNS)
9788 case TARGET_NR_setns:
9789 ret = get_errno(setns(arg1, arg2));
9790 break;
9791#endif
9792#if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS)
9793 case TARGET_NR_unshare:
9794 ret = get_errno(unshare(arg1));
9795 break;
9796#endif
9797
31e31b8a
FB		 9798 default:
9799 unimplemented:
5cd4393b 9800 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 9801#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 9802 unimplemented_nowarn:
80a9d035 9803#endif
0da46a6e 9804 ret = -TARGET_ENOSYS;
31e31b8a
FB		 9805 break;
9806 }
579a97f7 9807fail:
c573ff67 9808#ifdef DEBUG
0bf9e31a 9809 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 9810#endif
b92c47c1
TS		 9811 if(do_strace)
9812 print_syscall_ret(num, ret);
31e31b8a 9813 return ret;
579a97f7
FB		 9814efault:
9815 ret = -TARGET_EFAULT;
9816 goto fail;
31e31b8a 9817}
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