]> git.ipfire.org Git - thirdparty/qemu.git/blame - linux-user/syscall.c
projects / thirdparty / qemu.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge remote-tracking branch 'remotes/riku/linux-user-for-upstream' into staging
[thirdparty/qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
8167ee88 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
31e31b8a 18 */
d5b3a9b6 19#define _ATFILE_SOURCE
31e31b8a
FB		 20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
82e671d9 30#include <limits.h>
c56dc774 31#include <grp.h>
31e31b8a 32#include <sys/types.h>
d08d3bb8
TS		 33#include <sys/ipc.h>
34#include <sys/msg.h>
31e31b8a
FB		 35#include <sys/wait.h>
36#include <sys/time.h>
37#include <sys/stat.h>
38#include <sys/mount.h>
586b0bef
JS		 39#include <sys/file.h>
40#include <sys/fsuid.h>
41#include <sys/personality.h>
39b9aae1 42#include <sys/prctl.h>
31e31b8a
FB		 43#include <sys/resource.h>
44#include <sys/mman.h>
45#include <sys/swap.h>
e0eb210e 46#include <linux/capability.h>
31e31b8a
FB		 47#include <signal.h>
48#include <sched.h>
60e99246
AJ		 49#ifdef __ia64__
50int __clone2(int (*fn)(void *), void *child_stack_base,
51 size_t stack_size, int flags, void *arg, ...);
52#endif
31e31b8a 53#include <sys/socket.h>
607175e0 54#include <sys/un.h>
31e31b8a 55#include <sys/uio.h>
9de5e440 56#include <sys/poll.h>
32f36bce 57#include <sys/times.h>
8853f86e 58#include <sys/shm.h>
fa294816 59#include <sys/sem.h>
56c8f68f 60#include <sys/statfs.h>
ebc05488 61#include <utime.h>
a5448a7d 62#include <sys/sysinfo.h>
3b3f24ad 63#include <sys/utsname.h>
72f03900 64//#include <sys/user.h>
8853f86e 65#include <netinet/ip.h>
7854b056 66#include <netinet/tcp.h>
86fcd946 67#include <linux/wireless.h>
920394db 68#include <linux/icmp.h>
5a61cb60 69#include "qemu-common.h"
9788c9ca 70#ifdef TARGET_GPROF
6d946cda
AJ		 71#include <sys/gmon.h>
72#endif
c2882b96
RV		 73#ifdef CONFIG_EVENTFD
74#include <sys/eventfd.h>
75#endif
3b6edd16
PM		 76#ifdef CONFIG_EPOLL
77#include <sys/epoll.h>
78#endif
a790ae38 79#ifdef CONFIG_ATTR
1de7afc9 80#include "qemu/xattr.h"
a790ae38 81#endif
a8fd1aba
PM		 82#ifdef CONFIG_SENDFILE
83#include <sys/sendfile.h>
84#endif
31e31b8a
FB		 85
86#define termios host_termios
87#define winsize host_winsize
88#define termio host_termio
04369ff2
FB		 89#define sgttyb host_sgttyb /* same as target */
90#define tchars host_tchars /* same as target */
91#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 92
93#include <linux/termios.h>
94#include <linux/unistd.h>
95#include <linux/utsname.h>
96#include <linux/cdrom.h>
97#include <linux/hdreg.h>
98#include <linux/soundcard.h>
19b84f3c 99#include <linux/kd.h>
8fbd6b52 100#include <linux/mtio.h>
350d1779 101#include <linux/fs.h>
dace20dc 102#if defined(CONFIG_FIEMAP)
285da2b9 103#include <linux/fiemap.h>
dace20dc 104#endif
f7680a55
UH		 105#include <linux/fb.h>
106#include <linux/vt.h>
56e904ec 107#include <linux/dm-ioctl.h>
c07ecc68 108#include <linux/reboot.h>
7ff7b666 109#include <linux/route.h>
f57d4192 110#include <linux/filter.h>
fff8c539 111#include <linux/blkpg.h>
d7e4036e 112#include "linux_loop.h"
da79030f 113#include "cpu-uname.h"
31e31b8a 114
3ef693a0 115#include "qemu.h"
31e31b8a 116
d865bab5
PB		 117#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
118 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
30813cea 119
72f03900 120//#define DEBUG
31e31b8a 121
1a9353d2 122//#include <linux/msdos_fs.h>
6556a833
AJ		 123#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
124#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 125
70a194b9 126
70a194b9
FB		 127#undef _syscall0
128#undef _syscall1
129#undef _syscall2
130#undef _syscall3
131#undef _syscall4
132#undef _syscall5
83fcb515 133#undef _syscall6
70a194b9 134
83fcb515 135#define _syscall0(type,name) \
8fcd3692 136static type name (void) \
83fcb515
FB		 137{ \
138 return syscall(__NR_##name); \
139}
70a194b9 140
83fcb515 141#define _syscall1(type,name,type1,arg1) \
8fcd3692 142static type name (type1 arg1) \
83fcb515
FB		 143{ \
144 return syscall(__NR_##name, arg1); \
70a194b9
FB		 145}
146
83fcb515 147#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 148static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 149{ \
150 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 151}
152
83fcb515 153#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 154static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 155{ \
156 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 157}
158
83fcb515 159#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 160static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 161{ \
162 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 163}
164
83fcb515
FB		 165#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
166 type5,arg5) \
8fcd3692 167static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 168{ \
169 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 170}
171
83fcb515
FB		 172
173#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
174 type5,arg5,type6,arg6) \
8fcd3692
BS		 175static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
176 type6 arg6) \
83fcb515
FB		 177{ \
178 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 179}
83fcb515 180
70a194b9 181
31e31b8a 182#define __NR_sys_uname __NR_uname
72f03900 183#define __NR_sys_getcwd1 __NR_getcwd
72f03900 184#define __NR_sys_getdents __NR_getdents
dab2ed99 185#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 186#define __NR_sys_getpriority __NR_getpriority
66fb9763 187#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
7494b0f9 188#define __NR_sys_syslog __NR_syslog
71455574 189#define __NR_sys_tgkill __NR_tgkill
4cae1d16 190#define __NR_sys_tkill __NR_tkill
bd0c5661 191#define __NR_sys_futex __NR_futex
39b59763
AJ		 192#define __NR_sys_inotify_init __NR_inotify_init
193#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
194#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 195
42a39fbe
AG		 196#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
197 defined(__s390x__)
9af9eaaa
FB		 198#define __NR__llseek __NR_lseek
199#endif
200
72f03900 201#ifdef __NR_gettid
31e31b8a 202_syscall0(int, gettid)
72f03900 203#else
0da46a6e
TS		 204/* This is a replacement for the host gettid() and must return a host
205 errno. */
72f03900
FB		 206static int gettid(void) {
207 return -ENOSYS;
208}
209#endif
3307e236 210#ifdef __NR_getdents
3b3f24ad 211_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3307e236
PM		 212#endif
213#if !defined(__NR_getdents) || \
214 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
3b3f24ad
AJ		 215_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
216#endif
d35b261c 217#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
3b3f24ad
AJ		 218_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
219 loff_t *, res, uint, wh);
220#endif
221_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
222_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
223#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
224_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
225#endif
226#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
227_syscall2(int,sys_tkill,int,tid,int,sig)
228#endif
229#ifdef __NR_exit_group
230_syscall1(int,exit_group,int,error_code)
231#endif
232#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
233_syscall1(int,set_tid_address,int *,tidptr)
234#endif
3b3f24ad
AJ		 235#if defined(TARGET_NR_futex) && defined(__NR_futex)
236_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
237 const struct timespec *,timeout,int *,uaddr2,int,val3)
238#endif
737de1d1
MF		 239#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
240_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
241 unsigned long *, user_mask_ptr);
242#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
243_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
244 unsigned long *, user_mask_ptr);
0f6b4d21
AG		 245_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
246 void *, arg);
e0eb210e
PM		 247_syscall2(int, capget, struct __user_cap_header_struct *, header,
248 struct __user_cap_data_struct *, data);
249_syscall2(int, capset, struct __user_cap_header_struct *, header,
250 struct __user_cap_data_struct *, data);
3b3f24ad
AJ		 251
252static bitmask_transtbl fcntl_flags_tbl[] = {
253 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
254 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
255 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
256 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
257 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
258 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
259 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
260 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
afc8763f 261 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
3b3f24ad
AJ		 262 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
263 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
264 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
265 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
3b3f24ad
AJ		 266#if defined(O_DIRECT)
267 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
afc8763f
RH		 268#endif
269#if defined(O_NOATIME)
270 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
271#endif
272#if defined(O_CLOEXEC)
273 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
274#endif
275#if defined(O_PATH)
276 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
277#endif
278 /* Don't terminate the list prematurely on 64-bit host+guest. */
279#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
280 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
3b3f24ad
AJ		 281#endif
282 { 0, 0, 0, 0 }
283};
284
285#define COPY_UTSNAME_FIELD(dest, src) \
286 do { \
287 /* __NEW_UTS_LEN doesn't include terminating null */ \
288 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
289 (dest)[__NEW_UTS_LEN] = '\0'; \
290 } while (0)
291
292static int sys_uname(struct new_utsname *buf)
293{
294 struct utsname uts_buf;
295
296 if (uname(&uts_buf) < 0)
297 return (-1);
298
299 /*
300 * Just in case these have some differences, we
301 * translate utsname to new_utsname (which is the
302 * struct linux kernel uses).
303 */
304
67bd9ede 305 memset(buf, 0, sizeof(*buf));
3b3f24ad
AJ		 306 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
307 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
308 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
309 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
310 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
311#ifdef _GNU_SOURCE
312 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
313#endif
314 return (0);
315
316#undef COPY_UTSNAME_FIELD
317}
318
319static int sys_getcwd1(char *buf, size_t size)
320{
321 if (getcwd(buf, size) == NULL) {
322 /* getcwd() sets errno */
323 return (-1);
324 }
aaf4ad39 325 return strlen(buf)+1;
3b3f24ad
AJ		 326}
327
3b3f24ad 328#ifdef TARGET_NR_openat
f4c69010 329static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode)
3b3f24ad
AJ		 330{
331 /*
332 * open(2) has extra parameter 'mode' when called with
333 * flag O_CREAT.
334 */
335 if ((flags & O_CREAT) != 0) {
3b3f24ad
AJ		 336 return (openat(dirfd, pathname, flags, mode));
337 }
338 return (openat(dirfd, pathname, flags));
339}
340#endif
ebc996f3 341
1acae9f2 342#ifdef TARGET_NR_utimensat
ebc996f3
RV		 343#ifdef CONFIG_UTIMENSAT
344static int sys_utimensat(int dirfd, const char *pathname,
345 const struct timespec times[2], int flags)
346{
347 if (pathname == NULL)
348 return futimens(dirfd, times);
349 else
350 return utimensat(dirfd, pathname, times, flags);
351}
1acae9f2
PM		 352#elif defined(__NR_utimensat)
353#define __NR_sys_utimensat __NR_utimensat
9007f0ef
TS		 354_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
355 const struct timespec *,tsp,int,flags)
1acae9f2
PM		 356#else
357static int sys_utimensat(int dirfd, const char *pathname,
358 const struct timespec times[2], int flags)
359{
360 errno = ENOSYS;
361 return -1;
362}
9007f0ef 363#endif
1acae9f2 364#endif /* TARGET_NR_utimensat */
3b3f24ad
AJ		 365
366#ifdef CONFIG_INOTIFY
8690e420 367#include <sys/inotify.h>
3b3f24ad 368
39b59763 369#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 370static int sys_inotify_init(void)
371{
372 return (inotify_init());
373}
39b59763
AJ		 374#endif
375#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 376static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
377{
378 return (inotify_add_watch(fd, pathname, mask));
379}
39b59763
AJ		 380#endif
381#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 382static int sys_inotify_rm_watch(int fd, int32_t wd)
383{
8690e420 384 return (inotify_rm_watch(fd, wd));
3b3f24ad 385}
bd0c5661 386#endif
c05c7a73
RV		 387#ifdef CONFIG_INOTIFY1
388#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
389static int sys_inotify_init1(int flags)
390{
391 return (inotify_init1(flags));
392}
393#endif
394#endif
3b3f24ad
AJ		 395#else
396/* Userspace can usually survive runtime without inotify */
397#undef TARGET_NR_inotify_init
c05c7a73 398#undef TARGET_NR_inotify_init1
3b3f24ad
AJ		 399#undef TARGET_NR_inotify_add_watch
400#undef TARGET_NR_inotify_rm_watch
401#endif /* CONFIG_INOTIFY */
402
d8035d4c
MF		 403#if defined(TARGET_NR_ppoll)
404#ifndef __NR_ppoll
405# define __NR_ppoll -1
406#endif
407#define __NR_sys_ppoll __NR_ppoll
408_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
409 struct timespec *, timeout, const __sigset_t *, sigmask,
410 size_t, sigsetsize)
411#endif
66fb9763 412
055e0906
MF		 413#if defined(TARGET_NR_pselect6)
414#ifndef __NR_pselect6
415# define __NR_pselect6 -1
416#endif
417#define __NR_sys_pselect6 __NR_pselect6
418_syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
419 fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
420#endif
421
163a05a8
PM		 422#if defined(TARGET_NR_prlimit64)
423#ifndef __NR_prlimit64
424# define __NR_prlimit64 -1
425#endif
426#define __NR_sys_prlimit64 __NR_prlimit64
427/* The glibc rlimit structure may not be that used by the underlying syscall */
428struct host_rlimit64 {
429 uint64_t rlim_cur;
430 uint64_t rlim_max;
431};
432_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
433 const struct host_rlimit64 *, new_limit,
434 struct host_rlimit64 *, old_limit)
435#endif
436
f4f1e10a
ECL		 437
438#if defined(TARGET_NR_timer_create)
439/* Maxiumum of 32 active POSIX timers allowed at any one time. */
440static timer_t g_posix_timers[32] = { 0, } ;
441
442static inline int next_free_host_timer(void)
443{
444 int k ;
445 /* FIXME: Does finding the next free slot require a lock? */
446 for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) {
447 if (g_posix_timers[k] == 0) {
448 g_posix_timers[k] = (timer_t) 1;
449 return k;
450 }
451 }
452 return -1;
453}
454#endif
455
48e515d4 456/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
4a1def4e 457#ifdef TARGET_ARM
48e515d4
RV		 458static inline int regpairs_aligned(void *cpu_env) {
459 return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
460}
461#elif defined(TARGET_MIPS)
462static inline int regpairs_aligned(void *cpu_env) { return 1; }
4a1def4e
AG		 463#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
464/* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
465 * of registers which translates to the same as ARM/MIPS, because we start with
466 * r3 as arg1 */
467static inline int regpairs_aligned(void *cpu_env) { return 1; }
48e515d4
RV		 468#else
469static inline int regpairs_aligned(void *cpu_env) { return 0; }
470#endif
471
b92c47c1
TS		 472#define ERRNO_TABLE_SIZE 1200
473
474/* target_to_host_errno_table[] is initialized from
475 * host_to_target_errno_table[] in syscall_init(). */
476static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
477};
478
637947f1 479/*
fe8f096b 480 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 481 * minus the errnos that are not actually generic to all archs.
482 */
b92c47c1 483static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 484 [EIDRM] = TARGET_EIDRM,
485 [ECHRNG] = TARGET_ECHRNG,
486 [EL2NSYNC] = TARGET_EL2NSYNC,
487 [EL3HLT] = TARGET_EL3HLT,
488 [EL3RST] = TARGET_EL3RST,
489 [ELNRNG] = TARGET_ELNRNG,
490 [EUNATCH] = TARGET_EUNATCH,
491 [ENOCSI] = TARGET_ENOCSI,
492 [EL2HLT] = TARGET_EL2HLT,
493 [EDEADLK] = TARGET_EDEADLK,
494 [ENOLCK] = TARGET_ENOLCK,
495 [EBADE] = TARGET_EBADE,
496 [EBADR] = TARGET_EBADR,
497 [EXFULL] = TARGET_EXFULL,
498 [ENOANO] = TARGET_ENOANO,
499 [EBADRQC] = TARGET_EBADRQC,
500 [EBADSLT] = TARGET_EBADSLT,
501 [EBFONT] = TARGET_EBFONT,
502 [ENOSTR] = TARGET_ENOSTR,
503 [ENODATA] = TARGET_ENODATA,
504 [ETIME] = TARGET_ETIME,
505 [ENOSR] = TARGET_ENOSR,
506 [ENONET] = TARGET_ENONET,
507 [ENOPKG] = TARGET_ENOPKG,
508 [EREMOTE] = TARGET_EREMOTE,
509 [ENOLINK] = TARGET_ENOLINK,
510 [EADV] = TARGET_EADV,
511 [ESRMNT] = TARGET_ESRMNT,
512 [ECOMM] = TARGET_ECOMM,
513 [EPROTO] = TARGET_EPROTO,
514 [EDOTDOT] = TARGET_EDOTDOT,
515 [EMULTIHOP] = TARGET_EMULTIHOP,
516 [EBADMSG] = TARGET_EBADMSG,
517 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
518 [EOVERFLOW] = TARGET_EOVERFLOW,
519 [ENOTUNIQ] = TARGET_ENOTUNIQ,
520 [EBADFD] = TARGET_EBADFD,
521 [EREMCHG] = TARGET_EREMCHG,
522 [ELIBACC] = TARGET_ELIBACC,
523 [ELIBBAD] = TARGET_ELIBBAD,
524 [ELIBSCN] = TARGET_ELIBSCN,
525 [ELIBMAX] = TARGET_ELIBMAX,
526 [ELIBEXEC] = TARGET_ELIBEXEC,
527 [EILSEQ] = TARGET_EILSEQ,
528 [ENOSYS] = TARGET_ENOSYS,
529 [ELOOP] = TARGET_ELOOP,
530 [ERESTART] = TARGET_ERESTART,
531 [ESTRPIPE] = TARGET_ESTRPIPE,
532 [ENOTEMPTY] = TARGET_ENOTEMPTY,
533 [EUSERS] = TARGET_EUSERS,
534 [ENOTSOCK] = TARGET_ENOTSOCK,
535 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
536 [EMSGSIZE] = TARGET_EMSGSIZE,
537 [EPROTOTYPE] = TARGET_EPROTOTYPE,
538 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
539 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
540 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
541 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
542 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
543 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
544 [EADDRINUSE] = TARGET_EADDRINUSE,
545 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
546 [ENETDOWN] = TARGET_ENETDOWN,
547 [ENETUNREACH] = TARGET_ENETUNREACH,
548 [ENETRESET] = TARGET_ENETRESET,
549 [ECONNABORTED] = TARGET_ECONNABORTED,
550 [ECONNRESET] = TARGET_ECONNRESET,
551 [ENOBUFS] = TARGET_ENOBUFS,
552 [EISCONN] = TARGET_EISCONN,
553 [ENOTCONN] = TARGET_ENOTCONN,
554 [EUCLEAN] = TARGET_EUCLEAN,
555 [ENOTNAM] = TARGET_ENOTNAM,
556 [ENAVAIL] = TARGET_ENAVAIL,
557 [EISNAM] = TARGET_EISNAM,
558 [EREMOTEIO] = TARGET_EREMOTEIO,
559 [ESHUTDOWN] = TARGET_ESHUTDOWN,
560 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
561 [ETIMEDOUT] = TARGET_ETIMEDOUT,
562 [ECONNREFUSED] = TARGET_ECONNREFUSED,
563 [EHOSTDOWN] = TARGET_EHOSTDOWN,
564 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
565 [EALREADY] = TARGET_EALREADY,
566 [EINPROGRESS] = TARGET_EINPROGRESS,
567 [ESTALE] = TARGET_ESTALE,
568 [ECANCELED] = TARGET_ECANCELED,
569 [ENOMEDIUM] = TARGET_ENOMEDIUM,
570 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 571#ifdef ENOKEY
637947f1 572 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 573#endif
574#ifdef EKEYEXPIRED
637947f1 575 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 576#endif
577#ifdef EKEYREVOKED
637947f1 578 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 579#endif
580#ifdef EKEYREJECTED
637947f1 581 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 582#endif
583#ifdef EOWNERDEAD
637947f1 584 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 585#endif
586#ifdef ENOTRECOVERABLE
637947f1 587 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 588#endif
b92c47c1 589};
637947f1
TS		 590
591static inline int host_to_target_errno(int err)
592{
593 if(host_to_target_errno_table[err])
594 return host_to_target_errno_table[err];
595 return err;
596}
597
b92c47c1
TS		 598static inline int target_to_host_errno(int err)
599{
600 if (target_to_host_errno_table[err])
601 return target_to_host_errno_table[err];
602 return err;
603}
604
992f48a0 605static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 606{
607 if (ret == -1)
637947f1 608 return -host_to_target_errno(errno);
31e31b8a
FB		 609 else
610 return ret;
611}
612
992f48a0 613static inline int is_error(abi_long ret)
31e31b8a 614{
992f48a0 615 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 616}
617
b92c47c1
TS		 618char *target_strerror(int err)
619{
962b289e
AG		 620 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
621 return NULL;
622 }
b92c47c1
TS		 623 return strerror(target_to_host_errno(err));
624}
625
992f48a0
BS		 626static abi_ulong target_brk;
627static abi_ulong target_original_brk;
4d1de87c 628static abi_ulong brk_page;
31e31b8a 629
992f48a0 630void target_set_brk(abi_ulong new_brk)
31e31b8a 631{
4c1de73d 632 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
4d1de87c 633 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 634}
635
4d1de87c
CV		 636//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
637#define DEBUGF_BRK(message, args...)
638
0da46a6e 639/* do_brk() must return target values and target errnos. */
992f48a0 640abi_long do_brk(abi_ulong new_brk)
31e31b8a 641{
992f48a0 642 abi_long mapped_addr;
31e31b8a
FB		 643 int new_alloc_size;
644
3a0c6c4a 645 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
4d1de87c
CV		 646
647 if (!new_brk) {
3a0c6c4a 648 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
53a5960a 649 return target_brk;
4d1de87c
CV		 650 }
651 if (new_brk < target_original_brk) {
3a0c6c4a
PB		 652 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
653 target_brk);
7ab240ad 654 return target_brk;
4d1de87c 655 }
3b46e624 656
4d1de87c
CV		 657 /* If the new brk is less than the highest page reserved to the
658 * target heap allocation, set it and we're almost done... */
659 if (new_brk <= brk_page) {
660 /* Heap contents are initialized to zero, as for anonymous
661 * mapped pages. */
662 if (new_brk > target_brk) {
663 memset(g2h(target_brk), 0, new_brk - target_brk);
664 }
31e31b8a 665 target_brk = new_brk;
3a0c6c4a 666 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
53a5960a 667 return target_brk;
31e31b8a
FB		 668 }
669
00faf08c
PM		 670 /* We need to allocate more memory after the brk... Note that
671 * we don't use MAP_FIXED because that will map over the top of
672 * any existing mapping (like the one with the host libc or qemu
673 * itself); instead we treat "mapped but at wrong address" as
674 * a failure and unmap again.
675 */
4d1de87c 676 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
5fafdf24 677 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004 678 PROT_READ|PROT_WRITE,
00faf08c
PM		 679 MAP_ANON|MAP_PRIVATE, 0, 0));
680
681 if (mapped_addr == brk_page) {
70afc343
CV		 682 /* Heap contents are initialized to zero, as for anonymous
683 * mapped pages. Technically the new pages are already
684 * initialized to zero since they *are* anonymous mapped
685 * pages, however we have to take care with the contents that
686 * come from the remaining part of the previous page: it may
687 * contains garbage data due to a previous heap usage (grown
688 * then shrunken). */
689 memset(g2h(target_brk), 0, brk_page - target_brk);
690
00faf08c 691 target_brk = new_brk;
4d1de87c 692 brk_page = HOST_PAGE_ALIGN(target_brk);
3a0c6c4a
PB		 693 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
694 target_brk);
00faf08c
PM		 695 return target_brk;
696 } else if (mapped_addr != -1) {
697 /* Mapped but at wrong address, meaning there wasn't actually
698 * enough space for this brk.
699 */
700 target_munmap(mapped_addr, new_alloc_size);
701 mapped_addr = -1;
3a0c6c4a 702 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
4d1de87c
CV		 703 }
704 else {
3a0c6c4a 705 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
00faf08c 706 }
7ab240ad 707
7dd46c02
RH		 708#if defined(TARGET_ALPHA)
709 /* We (partially) emulate OSF/1 on Alpha, which requires we
710 return a proper errno, not an unchanged brk value. */
00faf08c 711 return -TARGET_ENOMEM;
7dd46c02 712#endif
00faf08c 713 /* For everything else, return the previous break. */
7ab240ad 714 return target_brk;
31e31b8a
FB		 715}
716
26edcf41
TS		 717static inline abi_long copy_from_user_fdset(fd_set *fds,
718 abi_ulong target_fds_addr,
719 int n)
31e31b8a 720{
26edcf41
TS		 721 int i, nw, j, k;
722 abi_ulong b, *target_fds;
723
724 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
725 if (!(target_fds = lock_user(VERIFY_READ,
726 target_fds_addr,
727 sizeof(abi_ulong) * nw,
728 1)))
729 return -TARGET_EFAULT;
730
731 FD_ZERO(fds);
732 k = 0;
733 for (i = 0; i < nw; i++) {
734 /* grab the abi_ulong */
735 __get_user(b, &target_fds[i]);
736 for (j = 0; j < TARGET_ABI_BITS; j++) {
737 /* check the bit inside the abi_ulong */
738 if ((b >> j) & 1)
739 FD_SET(k, fds);
740 k++;
31e31b8a 741 }
31e31b8a 742 }
26edcf41
TS		 743
744 unlock_user(target_fds, target_fds_addr, 0);
745
746 return 0;
31e31b8a
FB		 747}
748
055e0906
MF		 749static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
750 abi_ulong target_fds_addr,
751 int n)
752{
753 if (target_fds_addr) {
754 if (copy_from_user_fdset(fds, target_fds_addr, n))
755 return -TARGET_EFAULT;
756 *fds_ptr = fds;
757 } else {
758 *fds_ptr = NULL;
759 }
760 return 0;
761}
762
26edcf41
TS		 763static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
764 const fd_set *fds,
765 int n)
31e31b8a 766{
31e31b8a 767 int i, nw, j, k;
992f48a0 768 abi_long v;
26edcf41 769 abi_ulong *target_fds;
31e31b8a 770
26edcf41
TS		 771 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
772 if (!(target_fds = lock_user(VERIFY_WRITE,
773 target_fds_addr,
774 sizeof(abi_ulong) * nw,
775 0)))
776 return -TARGET_EFAULT;
777
778 k = 0;
779 for (i = 0; i < nw; i++) {
780 v = 0;
781 for (j = 0; j < TARGET_ABI_BITS; j++) {
9ab709be 782 v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
26edcf41 783 k++;
31e31b8a 784 }
26edcf41 785 __put_user(v, &target_fds[i]);
31e31b8a 786 }
26edcf41
TS		 787
788 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
789
790 return 0;
31e31b8a
FB		 791}
792
c596ed17
FB		 793#if defined(__alpha__)
794#define HOST_HZ 1024
795#else
796#define HOST_HZ 100
797#endif
798
992f48a0 799static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 800{
801#if HOST_HZ == TARGET_HZ
802 return ticks;
803#else
804 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
805#endif
806}
807
579a97f7
FB		 808static inline abi_long host_to_target_rusage(abi_ulong target_addr,
809 const struct rusage *rusage)
b409186b 810{
53a5960a
PB		 811 struct target_rusage *target_rusage;
812
579a97f7
FB		 813 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
814 return -TARGET_EFAULT;
cbb21eed
MB		 815 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
816 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
817 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
818 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
819 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
820 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
821 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
822 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
823 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
824 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
825 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
826 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
827 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
828 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
829 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
830 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
831 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
832 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
53a5960a 833 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 834
835 return 0;
b409186b
FB		 836}
837
cbb21eed 838static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
81bbe906 839{
cbb21eed 840 abi_ulong target_rlim_swap;
95b33b2f
WT		 841 rlim_t result;
842
cbb21eed
MB		 843 target_rlim_swap = tswapal(target_rlim);
844 if (target_rlim_swap == TARGET_RLIM_INFINITY)
845 return RLIM_INFINITY;
846
847 result = target_rlim_swap;
848 if (target_rlim_swap != (rlim_t)result)
849 return RLIM_INFINITY;
95b33b2f
WT		 850
851 return result;
81bbe906
TY		 852}
853
cbb21eed 854static inline abi_ulong host_to_target_rlim(rlim_t rlim)
81bbe906 855{
cbb21eed
MB		 856 abi_ulong target_rlim_swap;
857 abi_ulong result;
95b33b2f 858
cbb21eed 859 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
95b33b2f 860 target_rlim_swap = TARGET_RLIM_INFINITY;
81bbe906 861 else
95b33b2f 862 target_rlim_swap = rlim;
cbb21eed 863 result = tswapal(target_rlim_swap);
95b33b2f
WT		 864
865 return result;
81bbe906
TY		 866}
867
e22b7015
WT		 868static inline int target_to_host_resource(int code)
869{
870 switch (code) {
871 case TARGET_RLIMIT_AS:
872 return RLIMIT_AS;
873 case TARGET_RLIMIT_CORE:
874 return RLIMIT_CORE;
875 case TARGET_RLIMIT_CPU:
876 return RLIMIT_CPU;
877 case TARGET_RLIMIT_DATA:
878 return RLIMIT_DATA;
879 case TARGET_RLIMIT_FSIZE:
880 return RLIMIT_FSIZE;
881 case TARGET_RLIMIT_LOCKS:
882 return RLIMIT_LOCKS;
883 case TARGET_RLIMIT_MEMLOCK:
884 return RLIMIT_MEMLOCK;
885 case TARGET_RLIMIT_MSGQUEUE:
886 return RLIMIT_MSGQUEUE;
887 case TARGET_RLIMIT_NICE:
888 return RLIMIT_NICE;
889 case TARGET_RLIMIT_NOFILE:
890 return RLIMIT_NOFILE;
891 case TARGET_RLIMIT_NPROC:
892 return RLIMIT_NPROC;
893 case TARGET_RLIMIT_RSS:
894 return RLIMIT_RSS;
895 case TARGET_RLIMIT_RTPRIO:
896 return RLIMIT_RTPRIO;
897 case TARGET_RLIMIT_SIGPENDING:
898 return RLIMIT_SIGPENDING;
899 case TARGET_RLIMIT_STACK:
900 return RLIMIT_STACK;
901 default:
902 return code;
903 }
904}
905
788f5ec4
TS		 906static inline abi_long copy_from_user_timeval(struct timeval *tv,
907 abi_ulong target_tv_addr)
31e31b8a 908{
53a5960a
PB		 909 struct target_timeval *target_tv;
910
788f5ec4 911 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 912 return -TARGET_EFAULT;
788f5ec4
TS		 913
914 __get_user(tv->tv_sec, &target_tv->tv_sec);
915 __get_user(tv->tv_usec, &target_tv->tv_usec);
916
917 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 918
919 return 0;
31e31b8a
FB		 920}
921
788f5ec4
TS		 922static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
923 const struct timeval *tv)
31e31b8a 924{
53a5960a
PB		 925 struct target_timeval *target_tv;
926
788f5ec4 927 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 928 return -TARGET_EFAULT;
788f5ec4
TS		 929
930 __put_user(tv->tv_sec, &target_tv->tv_sec);
931 __put_user(tv->tv_usec, &target_tv->tv_usec);
932
933 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 934
935 return 0;
31e31b8a
FB		 936}
937
8ec9cf89
NF		 938#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
939#include <mqueue.h>
940
24e1003a
AJ		 941static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
942 abi_ulong target_mq_attr_addr)
943{
944 struct target_mq_attr *target_mq_attr;
945
946 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
947 target_mq_attr_addr, 1))
948 return -TARGET_EFAULT;
949
950 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
951 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
952 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
953 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
954
955 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
956
957 return 0;
958}
959
960static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
961 const struct mq_attr *attr)
962{
963 struct target_mq_attr *target_mq_attr;
964
965 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
966 target_mq_attr_addr, 0))
967 return -TARGET_EFAULT;
968
969 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
970 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
971 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
972 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
973
974 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
975
976 return 0;
977}
8ec9cf89 978#endif
31e31b8a 979
055e0906 980#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
0da46a6e 981/* do_select() must return target values and target errnos. */
992f48a0 982static abi_long do_select(int n,
26edcf41
TS		 983 abi_ulong rfd_addr, abi_ulong wfd_addr,
984 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 985{
986 fd_set rfds, wfds, efds;
987 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
988 struct timeval tv, *tv_ptr;
992f48a0 989 abi_long ret;
31e31b8a 990
055e0906
MF		 991 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
992 if (ret) {
993 return ret;
53a5960a 994 }
055e0906
MF		 995 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
996 if (ret) {
997 return ret;
53a5960a 998 }
055e0906
MF		 999 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
1000 if (ret) {
1001 return ret;
53a5960a 1002 }
3b46e624 1003
26edcf41 1004 if (target_tv_addr) {
788f5ec4
TS		 1005 if (copy_from_user_timeval(&tv, target_tv_addr))
1006 return -TARGET_EFAULT;
31e31b8a
FB		 1007 tv_ptr = &tv;
1008 } else {
1009 tv_ptr = NULL;
1010 }
26edcf41 1011
31e31b8a 1012 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 1013
26edcf41
TS		 1014 if (!is_error(ret)) {
1015 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
1016 return -TARGET_EFAULT;
1017 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
1018 return -TARGET_EFAULT;
1019 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
1020 return -TARGET_EFAULT;
31e31b8a 1021
788f5ec4
TS		 1022 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
1023 return -TARGET_EFAULT;
31e31b8a 1024 }
579a97f7 1025
31e31b8a
FB		 1026 return ret;
1027}
055e0906 1028#endif
31e31b8a 1029
099d6b0f
RV		 1030static abi_long do_pipe2(int host_pipe[], int flags)
1031{
1032#ifdef CONFIG_PIPE2
1033 return pipe2(host_pipe, flags);
1034#else
1035 return -ENOSYS;
1036#endif
1037}
1038
fb41a66e
RH		 1039static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1040 int flags, int is_pipe2)
099d6b0f
RV		 1041{
1042 int host_pipe[2];
1043 abi_long ret;
1044 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1045
1046 if (is_error(ret))
1047 return get_errno(ret);
fb41a66e
RH		 1048
1049 /* Several targets have special calling conventions for the original
1050 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1051 if (!is_pipe2) {
1052#if defined(TARGET_ALPHA)
1053 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1054 return host_pipe[0];
1055#elif defined(TARGET_MIPS)
1056 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1057 return host_pipe[0];
1058#elif defined(TARGET_SH4)
597c0212 1059 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
fb41a66e 1060 return host_pipe[0];
82f05b69
PM		 1061#elif defined(TARGET_SPARC)
1062 ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1];
1063 return host_pipe[0];
597c0212 1064#endif
fb41a66e
RH		 1065 }
1066
099d6b0f
RV		 1067 if (put_user_s32(host_pipe[0], pipedes)
1068 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1069 return -TARGET_EFAULT;
099d6b0f
RV		 1070 return get_errno(ret);
1071}
1072
b975b83b
LL		 1073static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1074 abi_ulong target_addr,
1075 socklen_t len)
1076{
1077 struct target_ip_mreqn *target_smreqn;
1078
1079 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1080 if (!target_smreqn)
1081 return -TARGET_EFAULT;
1082 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1083 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1084 if (len == sizeof(struct target_ip_mreqn))
cbb21eed 1085 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
b975b83b
LL		 1086 unlock_user(target_smreqn, target_addr, 0);
1087
1088 return 0;
1089}
1090
579a97f7
FB		 1091static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1092 abi_ulong target_addr,
1093 socklen_t len)
7854b056 1094{
607175e0
AJ		 1095 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1096 sa_family_t sa_family;
53a5960a
PB		 1097 struct target_sockaddr *target_saddr;
1098
579a97f7
FB		 1099 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1100 if (!target_saddr)
1101 return -TARGET_EFAULT;
607175e0
AJ		 1102
1103 sa_family = tswap16(target_saddr->sa_family);
1104
1105 /* Oops. The caller might send a incomplete sun_path; sun_path
1106 * must be terminated by \0 (see the manual page), but
1107 * unfortunately it is quite common to specify sockaddr_un
1108 * length as "strlen(x->sun_path)" while it should be
1109 * "strlen(...) + 1". We'll fix that here if needed.
1110 * Linux kernel has a similar feature.
1111 */
1112
1113 if (sa_family == AF_UNIX) {
1114 if (len < unix_maxlen && len > 0) {
1115 char *cp = (char*)target_saddr;
1116
1117 if ( cp[len-1] && !cp[len] )
1118 len++;
1119 }
1120 if (len > unix_maxlen)
1121 len = unix_maxlen;
1122 }
1123
53a5960a 1124 memcpy(addr, target_saddr, len);
607175e0 1125 addr->sa_family = sa_family;
53a5960a 1126 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1127
1128 return 0;
7854b056
FB		 1129}
1130
579a97f7
FB		 1131static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1132 struct sockaddr *addr,
1133 socklen_t len)
7854b056 1134{
53a5960a
PB		 1135 struct target_sockaddr *target_saddr;
1136
579a97f7
FB		 1137 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1138 if (!target_saddr)
1139 return -TARGET_EFAULT;
53a5960a
PB		 1140 memcpy(target_saddr, addr, len);
1141 target_saddr->sa_family = tswap16(addr->sa_family);
1142 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1143
1144 return 0;
7854b056
FB		 1145}
1146
5a4a898d
FB		 1147static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1148 struct target_msghdr *target_msgh)
7854b056
FB		 1149{
1150 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1151 abi_long msg_controllen;
1152 abi_ulong target_cmsg_addr;
1153 struct target_cmsghdr *target_cmsg;
7854b056 1154 socklen_t space = 0;
5a4a898d 1155
cbb21eed 1156 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1157 if (msg_controllen < sizeof (struct target_cmsghdr))
1158 goto the_end;
cbb21eed 1159 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1160 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1161 if (!target_cmsg)
1162 return -TARGET_EFAULT;
7854b056
FB		 1163
1164 while (cmsg && target_cmsg) {
1165 void *data = CMSG_DATA(cmsg);
1166 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1167
cbb21eed 1168 int len = tswapal(target_cmsg->cmsg_len)
7854b056
FB		 1169 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1170
1171 space += CMSG_SPACE(len);
1172 if (space > msgh->msg_controllen) {
1173 space -= CMSG_SPACE(len);
31febb71 1174 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1175 break;
1176 }
1177
dbf4f796
PJ		 1178 if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
1179 cmsg->cmsg_level = SOL_SOCKET;
1180 } else {
1181 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1182 }
7854b056
FB		 1183 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1184 cmsg->cmsg_len = CMSG_LEN(len);
1185
dbf4f796 1186 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1187 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1188 memcpy(data, target_data, len);
1189 } else {
1190 int *fd = (int *)data;
1191 int *target_fd = (int *)target_data;
1192 int i, numfds = len / sizeof(int);
1193
1194 for (i = 0; i < numfds; i++)
1195 fd[i] = tswap32(target_fd[i]);
1196 }
1197
1198 cmsg = CMSG_NXTHDR(msgh, cmsg);
1199 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1200 }
5a4a898d
FB		 1201 unlock_user(target_cmsg, target_cmsg_addr, 0);
1202 the_end:
7854b056 1203 msgh->msg_controllen = space;
5a4a898d 1204 return 0;
7854b056
FB		 1205}
1206
5a4a898d
FB		 1207static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1208 struct msghdr *msgh)
7854b056
FB		 1209{
1210 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1211 abi_long msg_controllen;
1212 abi_ulong target_cmsg_addr;
1213 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1214 socklen_t space = 0;
1215
cbb21eed 1216 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1217 if (msg_controllen < sizeof (struct target_cmsghdr))
1218 goto the_end;
cbb21eed 1219 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1220 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1221 if (!target_cmsg)
1222 return -TARGET_EFAULT;
1223
7854b056
FB		 1224 while (cmsg && target_cmsg) {
1225 void *data = CMSG_DATA(cmsg);
1226 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1227
1228 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1229
1230 space += TARGET_CMSG_SPACE(len);
5a4a898d 1231 if (space > msg_controllen) {
7854b056 1232 space -= TARGET_CMSG_SPACE(len);
31febb71 1233 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1234 break;
1235 }
1236
dbf4f796
PJ		 1237 if (cmsg->cmsg_level == SOL_SOCKET) {
1238 target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
1239 } else {
1240 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1241 }
7854b056 1242 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
cbb21eed 1243 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
7854b056 1244
dbf4f796 1245 if ((cmsg->cmsg_level == SOL_SOCKET) &&
aebf5bc7 1246 (cmsg->cmsg_type == SCM_RIGHTS)) {
7854b056
FB		 1247 int *fd = (int *)data;
1248 int *target_fd = (int *)target_data;
1249 int i, numfds = len / sizeof(int);
1250
1251 for (i = 0; i < numfds; i++)
1252 target_fd[i] = tswap32(fd[i]);
dbf4f796 1253 } else if ((cmsg->cmsg_level == SOL_SOCKET) &&
aebf5bc7
JH		 1254 (cmsg->cmsg_type == SO_TIMESTAMP) &&
1255 (len == sizeof(struct timeval))) {
1256 /* copy struct timeval to target */
1257 struct timeval *tv = (struct timeval *)data;
1258 struct target_timeval *target_tv =
1259 (struct target_timeval *)target_data;
1260
1261 target_tv->tv_sec = tswapal(tv->tv_sec);
1262 target_tv->tv_usec = tswapal(tv->tv_usec);
1263 } else {
1264 gemu_log("Unsupported ancillary data: %d/%d\n",
1265 cmsg->cmsg_level, cmsg->cmsg_type);
1266 memcpy(target_data, data, len);
7854b056
FB		 1267 }
1268
1269 cmsg = CMSG_NXTHDR(msgh, cmsg);
1270 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1271 }
5a4a898d
FB		 1272 unlock_user(target_cmsg, target_cmsg_addr, space);
1273 the_end:
cbb21eed 1274 target_msgh->msg_controllen = tswapal(space);
5a4a898d 1275 return 0;
7854b056
FB		 1276}
1277
0da46a6e 1278/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1279static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1280 abi_ulong optval_addr, socklen_t optlen)
7854b056 1281{
992f48a0 1282 abi_long ret;
32407103 1283 int val;
b975b83b 1284 struct ip_mreqn *ip_mreq;
6e3cb58f 1285 struct ip_mreq_source *ip_mreq_source;
3b46e624 1286
8853f86e
FB		 1287 switch(level) {
1288 case SOL_TCP:
7854b056 1289 /* TCP options all take an 'int' value. */
7854b056 1290 if (optlen < sizeof(uint32_t))
0da46a6e 1291 return -TARGET_EINVAL;
3b46e624 1292
2f619698
FB		 1293 if (get_user_u32(val, optval_addr))
1294 return -TARGET_EFAULT;
8853f86e
FB		 1295 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1296 break;
1297 case SOL_IP:
1298 switch(optname) {
2efbe911
FB		 1299 case IP_TOS:
1300 case IP_TTL:
8853f86e 1301 case IP_HDRINCL:
2efbe911
FB		 1302 case IP_ROUTER_ALERT:
1303 case IP_RECVOPTS:
1304 case IP_RETOPTS:
1305 case IP_PKTINFO:
1306 case IP_MTU_DISCOVER:
1307 case IP_RECVERR:
1308 case IP_RECVTOS:
1309#ifdef IP_FREEBIND
1310 case IP_FREEBIND:
1311#endif
1312 case IP_MULTICAST_TTL:
1313 case IP_MULTICAST_LOOP:
8853f86e
FB		 1314 val = 0;
1315 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1316 if (get_user_u32(val, optval_addr))
1317 return -TARGET_EFAULT;
8853f86e 1318 } else if (optlen >= 1) {
2f619698
FB		 1319 if (get_user_u8(val, optval_addr))
1320 return -TARGET_EFAULT;
8853f86e
FB		 1321 }
1322 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1323 break;
b975b83b
LL		 1324 case IP_ADD_MEMBERSHIP:
1325 case IP_DROP_MEMBERSHIP:
1326 if (optlen < sizeof (struct target_ip_mreq) ||
1327 optlen > sizeof (struct target_ip_mreqn))
1328 return -TARGET_EINVAL;
1329
1330 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1331 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1332 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1333 break;
1334
6e3cb58f
LL		 1335 case IP_BLOCK_SOURCE:
1336 case IP_UNBLOCK_SOURCE:
1337 case IP_ADD_SOURCE_MEMBERSHIP:
1338 case IP_DROP_SOURCE_MEMBERSHIP:
1339 if (optlen != sizeof (struct target_ip_mreq_source))
1340 return -TARGET_EINVAL;
1341
1342 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1343 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1344 unlock_user (ip_mreq_source, optval_addr, 0);
1345 break;
1346
920394db
JH		 1347 default:
1348 goto unimplemented;
1349 }
1350 break;
0d78b3b5
LV		 1351 case SOL_IPV6:
1352 switch (optname) {
1353 case IPV6_MTU_DISCOVER:
1354 case IPV6_MTU:
1355 case IPV6_V6ONLY:
1356 case IPV6_RECVPKTINFO:
1357 val = 0;
1358 if (optlen < sizeof(uint32_t)) {
1359 return -TARGET_EINVAL;
1360 }
1361 if (get_user_u32(val, optval_addr)) {
1362 return -TARGET_EFAULT;
1363 }
1364 ret = get_errno(setsockopt(sockfd, level, optname,
1365 &val, sizeof(val)));
1366 break;
1367 default:
1368 goto unimplemented;
1369 }
1370 break;
920394db
JH		 1371 case SOL_RAW:
1372 switch (optname) {
1373 case ICMP_FILTER:
1374 /* struct icmp_filter takes an u32 value */
1375 if (optlen < sizeof(uint32_t)) {
1376 return -TARGET_EINVAL;
1377 }
1378
1379 if (get_user_u32(val, optval_addr)) {
1380 return -TARGET_EFAULT;
1381 }
1382 ret = get_errno(setsockopt(sockfd, level, optname,
1383 &val, sizeof(val)));
1384 break;
1385
8853f86e
FB		 1386 default:
1387 goto unimplemented;
1388 }
1389 break;
3532fa74 1390 case TARGET_SOL_SOCKET:
8853f86e 1391 switch (optname) {
1b09aeb9
LV		 1392 case TARGET_SO_RCVTIMEO:
1393 {
1394 struct timeval tv;
1395
1396 optname = SO_RCVTIMEO;
1397
1398set_timeout:
1399 if (optlen != sizeof(struct target_timeval)) {
1400 return -TARGET_EINVAL;
1401 }
1402
1403 if (copy_from_user_timeval(&tv, optval_addr)) {
1404 return -TARGET_EFAULT;
1405 }
1406
1407 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
1408 &tv, sizeof(tv)));
1409 return ret;
1410 }
1411 case TARGET_SO_SNDTIMEO:
1412 optname = SO_SNDTIMEO;
1413 goto set_timeout;
f57d4192
LV		 1414 case TARGET_SO_ATTACH_FILTER:
1415 {
1416 struct target_sock_fprog *tfprog;
1417 struct target_sock_filter *tfilter;
1418 struct sock_fprog fprog;
1419 struct sock_filter *filter;
1420 int i;
1421
1422 if (optlen != sizeof(*tfprog)) {
1423 return -TARGET_EINVAL;
1424 }
1425 if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
1426 return -TARGET_EFAULT;
1427 }
1428 if (!lock_user_struct(VERIFY_READ, tfilter,
1429 tswapal(tfprog->filter), 0)) {
1430 unlock_user_struct(tfprog, optval_addr, 1);
1431 return -TARGET_EFAULT;
1432 }
1433
1434 fprog.len = tswap16(tfprog->len);
1435 filter = malloc(fprog.len * sizeof(*filter));
1436 if (filter == NULL) {
1437 unlock_user_struct(tfilter, tfprog->filter, 1);
1438 unlock_user_struct(tfprog, optval_addr, 1);
1439 return -TARGET_ENOMEM;
1440 }
1441 for (i = 0; i < fprog.len; i++) {
1442 filter[i].code = tswap16(tfilter[i].code);
1443 filter[i].jt = tfilter[i].jt;
1444 filter[i].jf = tfilter[i].jf;
1445 filter[i].k = tswap32(tfilter[i].k);
1446 }
1447 fprog.filter = filter;
1448
1449 ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
1450 SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
1451 free(filter);
1452
1453 unlock_user_struct(tfilter, tfprog->filter, 1);
1454 unlock_user_struct(tfprog, optval_addr, 1);
1455 return ret;
1456 }
8853f86e 1457 /* Options with 'int' argument. */
3532fa74
FB		 1458 case TARGET_SO_DEBUG:
1459 optname = SO_DEBUG;
1460 break;
1461 case TARGET_SO_REUSEADDR:
1462 optname = SO_REUSEADDR;
1463 break;
1464 case TARGET_SO_TYPE:
1465 optname = SO_TYPE;
1466 break;
1467 case TARGET_SO_ERROR:
1468 optname = SO_ERROR;
1469 break;
1470 case TARGET_SO_DONTROUTE:
1471 optname = SO_DONTROUTE;
1472 break;
1473 case TARGET_SO_BROADCAST:
1474 optname = SO_BROADCAST;
1475 break;
1476 case TARGET_SO_SNDBUF:
1477 optname = SO_SNDBUF;
1478 break;
1479 case TARGET_SO_RCVBUF:
1480 optname = SO_RCVBUF;
1481 break;
1482 case TARGET_SO_KEEPALIVE:
1483 optname = SO_KEEPALIVE;
1484 break;
1485 case TARGET_SO_OOBINLINE:
1486 optname = SO_OOBINLINE;
1487 break;
1488 case TARGET_SO_NO_CHECK:
1489 optname = SO_NO_CHECK;
1490 break;
1491 case TARGET_SO_PRIORITY:
1492 optname = SO_PRIORITY;
1493 break;
5e83e8e3 1494#ifdef SO_BSDCOMPAT
3532fa74
FB		 1495 case TARGET_SO_BSDCOMPAT:
1496 optname = SO_BSDCOMPAT;
1497 break;
5e83e8e3 1498#endif
3532fa74
FB		 1499 case TARGET_SO_PASSCRED:
1500 optname = SO_PASSCRED;
1501 break;
1502 case TARGET_SO_TIMESTAMP:
1503 optname = SO_TIMESTAMP;
1504 break;
1505 case TARGET_SO_RCVLOWAT:
1506 optname = SO_RCVLOWAT;
1507 break;
8853f86e
FB		 1508 break;
1509 default:
1510 goto unimplemented;
1511 }
3532fa74 1512 if (optlen < sizeof(uint32_t))
2f619698 1513 return -TARGET_EINVAL;
3532fa74 1514
2f619698
FB		 1515 if (get_user_u32(val, optval_addr))
1516 return -TARGET_EFAULT;
3532fa74 1517 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1518 break;
7854b056 1519 default:
8853f86e 1520 unimplemented:
b2bedb21 1521 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
6fa13c17 1522 ret = -TARGET_ENOPROTOOPT;
7854b056 1523 }
8853f86e 1524 return ret;
7854b056
FB		 1525}
1526
0da46a6e 1527/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1528static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1529 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1530{
992f48a0 1531 abi_long ret;
b55266b5
BS		 1532 int len, val;
1533 socklen_t lv;
8853f86e
FB		 1534
1535 switch(level) {
3532fa74 1536 case TARGET_SOL_SOCKET:
f3b974cd
JL		 1537 level = SOL_SOCKET;
1538 switch (optname) {
1539 /* These don't just return a single integer */
1540 case TARGET_SO_LINGER:
1541 case TARGET_SO_RCVTIMEO:
1542 case TARGET_SO_SNDTIMEO:
f3b974cd
JL		 1543 case TARGET_SO_PEERNAME:
1544 goto unimplemented;
583359a6
AP		 1545 case TARGET_SO_PEERCRED: {
1546 struct ucred cr;
1547 socklen_t crlen;
1548 struct target_ucred *tcr;
1549
1550 if (get_user_u32(len, optlen)) {
1551 return -TARGET_EFAULT;
1552 }
1553 if (len < 0) {
1554 return -TARGET_EINVAL;
1555 }
1556
1557 crlen = sizeof(cr);
1558 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
1559 &cr, &crlen));
1560 if (ret < 0) {
1561 return ret;
1562 }
1563 if (len > crlen) {
1564 len = crlen;
1565 }
1566 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
1567 return -TARGET_EFAULT;
1568 }
1569 __put_user(cr.pid, &tcr->pid);
1570 __put_user(cr.uid, &tcr->uid);
1571 __put_user(cr.gid, &tcr->gid);
1572 unlock_user_struct(tcr, optval_addr, 1);
1573 if (put_user_u32(len, optlen)) {
1574 return -TARGET_EFAULT;
1575 }
1576 break;
1577 }
f3b974cd
JL		 1578 /* Options with 'int' argument. */
1579 case TARGET_SO_DEBUG:
1580 optname = SO_DEBUG;
1581 goto int_case;
1582 case TARGET_SO_REUSEADDR:
1583 optname = SO_REUSEADDR;
1584 goto int_case;
1585 case TARGET_SO_TYPE:
1586 optname = SO_TYPE;
1587 goto int_case;
1588 case TARGET_SO_ERROR:
1589 optname = SO_ERROR;
1590 goto int_case;
1591 case TARGET_SO_DONTROUTE:
1592 optname = SO_DONTROUTE;
1593 goto int_case;
1594 case TARGET_SO_BROADCAST:
1595 optname = SO_BROADCAST;
1596 goto int_case;
1597 case TARGET_SO_SNDBUF:
1598 optname = SO_SNDBUF;
1599 goto int_case;
1600 case TARGET_SO_RCVBUF:
1601 optname = SO_RCVBUF;
1602 goto int_case;
1603 case TARGET_SO_KEEPALIVE:
1604 optname = SO_KEEPALIVE;
1605 goto int_case;
1606 case TARGET_SO_OOBINLINE:
1607 optname = SO_OOBINLINE;
1608 goto int_case;
1609 case TARGET_SO_NO_CHECK:
1610 optname = SO_NO_CHECK;
1611 goto int_case;
1612 case TARGET_SO_PRIORITY:
1613 optname = SO_PRIORITY;
1614 goto int_case;
1615#ifdef SO_BSDCOMPAT
1616 case TARGET_SO_BSDCOMPAT:
1617 optname = SO_BSDCOMPAT;
1618 goto int_case;
1619#endif
1620 case TARGET_SO_PASSCRED:
1621 optname = SO_PASSCRED;
1622 goto int_case;
1623 case TARGET_SO_TIMESTAMP:
1624 optname = SO_TIMESTAMP;
1625 goto int_case;
1626 case TARGET_SO_RCVLOWAT:
1627 optname = SO_RCVLOWAT;
1628 goto int_case;
8853f86e 1629 default:
2efbe911
FB		 1630 goto int_case;
1631 }
1632 break;
1633 case SOL_TCP:
1634 /* TCP options all take an 'int' value. */
1635 int_case:
2f619698
FB		 1636 if (get_user_u32(len, optlen))
1637 return -TARGET_EFAULT;
2efbe911 1638 if (len < 0)
0da46a6e 1639 return -TARGET_EINVAL;
73160d95 1640 lv = sizeof(lv);
2efbe911
FB		 1641 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1642 if (ret < 0)
1643 return ret;
2efbe911
FB		 1644 if (len > lv)
1645 len = lv;
2f619698
FB		 1646 if (len == 4) {
1647 if (put_user_u32(val, optval_addr))
1648 return -TARGET_EFAULT;
1649 } else {
1650 if (put_user_u8(val, optval_addr))
1651 return -TARGET_EFAULT;
f3b974cd 1652 }
2f619698
FB		 1653 if (put_user_u32(len, optlen))
1654 return -TARGET_EFAULT;
2efbe911
FB		 1655 break;
1656 case SOL_IP:
1657 switch(optname) {
1658 case IP_TOS:
1659 case IP_TTL:
1660 case IP_HDRINCL:
1661 case IP_ROUTER_ALERT:
1662 case IP_RECVOPTS:
1663 case IP_RETOPTS:
1664 case IP_PKTINFO:
1665 case IP_MTU_DISCOVER:
1666 case IP_RECVERR:
1667 case IP_RECVTOS:
1668#ifdef IP_FREEBIND
1669 case IP_FREEBIND:
1670#endif
1671 case IP_MULTICAST_TTL:
1672 case IP_MULTICAST_LOOP:
2f619698
FB		 1673 if (get_user_u32(len, optlen))
1674 return -TARGET_EFAULT;
8853f86e 1675 if (len < 0)
0da46a6e 1676 return -TARGET_EINVAL;
73160d95 1677 lv = sizeof(lv);
8853f86e
FB		 1678 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1679 if (ret < 0)
1680 return ret;
2efbe911 1681 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1682 len = 1;
2f619698
FB		 1683 if (put_user_u32(len, optlen)
1684 || put_user_u8(val, optval_addr))
1685 return -TARGET_EFAULT;
2efbe911 1686 } else {
2efbe911
FB		 1687 if (len > sizeof(int))
1688 len = sizeof(int);
2f619698
FB		 1689 if (put_user_u32(len, optlen)
1690 || put_user_u32(val, optval_addr))
1691 return -TARGET_EFAULT;
2efbe911 1692 }
8853f86e 1693 break;
2efbe911 1694 default:
c02f499e
TS		 1695 ret = -TARGET_ENOPROTOOPT;
1696 break;
8853f86e
FB		 1697 }
1698 break;
1699 default:
1700 unimplemented:
1701 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1702 level, optname);
c02f499e 1703 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1704 break;
1705 }
1706 return ret;
7854b056
FB		 1707}
1708
f287b2c2
RH		 1709static struct iovec *lock_iovec(int type, abi_ulong target_addr,
1710 int count, int copy)
53a5960a
PB		 1711{
1712 struct target_iovec *target_vec;
f287b2c2
RH		 1713 struct iovec *vec;
1714 abi_ulong total_len, max_len;
d732dcb4 1715 int i;
501bb4b0 1716 int err = 0;
53a5960a 1717
f287b2c2
RH		 1718 if (count == 0) {
1719 errno = 0;
1720 return NULL;
1721 }
dfae8e00 1722 if (count < 0 || count > IOV_MAX) {
f287b2c2
RH		 1723 errno = EINVAL;
1724 return NULL;
1725 }
1726
1727 vec = calloc(count, sizeof(struct iovec));
1728 if (vec == NULL) {
1729 errno = ENOMEM;
1730 return NULL;
1731 }
1732
1733 target_vec = lock_user(VERIFY_READ, target_addr,
1734 count * sizeof(struct target_iovec), 1);
1735 if (target_vec == NULL) {
501bb4b0 1736 err = EFAULT;
f287b2c2
RH		 1737 goto fail2;
1738 }
1739
1740 /* ??? If host page size > target page size, this will result in a
1741 value larger than what we can actually support. */
1742 max_len = 0x7fffffff & TARGET_PAGE_MASK;
1743 total_len = 0;
1744
1745 for (i = 0; i < count; i++) {
1746 abi_ulong base = tswapal(target_vec[i].iov_base);
1747 abi_long len = tswapal(target_vec[i].iov_len);
1748
1749 if (len < 0) {
501bb4b0 1750 err = EINVAL;
f287b2c2
RH		 1751 goto fail;
1752 } else if (len == 0) {
1753 /* Zero length pointer is ignored. */
1754 vec[i].iov_base = 0;
41df8411 1755 } else {
f287b2c2
RH		 1756 vec[i].iov_base = lock_user(type, base, len, copy);
1757 if (!vec[i].iov_base) {
501bb4b0 1758 err = EFAULT;
f287b2c2
RH		 1759 goto fail;
1760 }
1761 if (len > max_len - total_len) {
1762 len = max_len - total_len;
1763 }
41df8411 1764 }
f287b2c2
RH		 1765 vec[i].iov_len = len;
1766 total_len += len;
579a97f7 1767 }
f287b2c2
RH		 1768
1769 unlock_user(target_vec, target_addr, 0);
1770 return vec;
1771
1772 fail:
f287b2c2 1773 unlock_user(target_vec, target_addr, 0);
501bb4b0
PM		 1774 fail2:
1775 free(vec);
1776 errno = err;
f287b2c2 1777 return NULL;
53a5960a
PB		 1778}
1779
f287b2c2
RH		 1780static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1781 int count, int copy)
53a5960a
PB		 1782{
1783 struct target_iovec *target_vec;
53a5960a
PB		 1784 int i;
1785
f287b2c2
RH		 1786 target_vec = lock_user(VERIFY_READ, target_addr,
1787 count * sizeof(struct target_iovec), 1);
1788 if (target_vec) {
1789 for (i = 0; i < count; i++) {
1790 abi_ulong base = tswapal(target_vec[i].iov_base);
1791 abi_long len = tswapal(target_vec[i].iov_base);
1792 if (len < 0) {
1793 break;
1794 }
d732dcb4
AZ		 1795 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1796 }
f287b2c2 1797 unlock_user(target_vec, target_addr, 0);
53a5960a 1798 }
579a97f7 1799
f287b2c2 1800 free(vec);
53a5960a
PB		 1801}
1802
53d09b76 1803static inline int target_to_host_sock_type(int *type)
3532fa74 1804{
f651e6ae
PJ		 1805 int host_type = 0;
1806 int target_type = *type;
1807
1808 switch (target_type & TARGET_SOCK_TYPE_MASK) {
3532fa74 1809 case TARGET_SOCK_DGRAM:
f651e6ae 1810 host_type = SOCK_DGRAM;
3532fa74
FB		 1811 break;
1812 case TARGET_SOCK_STREAM:
f651e6ae 1813 host_type = SOCK_STREAM;
3532fa74 1814 break;
f651e6ae
PJ		 1815 default:
1816 host_type = target_type & TARGET_SOCK_TYPE_MASK;
3532fa74
FB		 1817 break;
1818 }
f651e6ae 1819 if (target_type & TARGET_SOCK_CLOEXEC) {
53d09b76 1820#if defined(SOCK_CLOEXEC)
f651e6ae 1821 host_type |= SOCK_CLOEXEC;
53d09b76
EI		 1822#else
1823 return -TARGET_EINVAL;
1824#endif
f651e6ae
PJ		 1825 }
1826 if (target_type & TARGET_SOCK_NONBLOCK) {
53d09b76 1827#if defined(SOCK_NONBLOCK)
f651e6ae 1828 host_type |= SOCK_NONBLOCK;
53d09b76
EI		 1829#elif !defined(O_NONBLOCK)
1830 return -TARGET_EINVAL;
1831#endif
f651e6ae
PJ		 1832 }
1833 *type = host_type;
53d09b76
EI		 1834 return 0;
1835}
1836
1837/* Try to emulate socket type flags after socket creation. */
1838static int sock_flags_fixup(int fd, int target_type)
1839{
1840#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
1841 if (target_type & TARGET_SOCK_NONBLOCK) {
1842 int flags = fcntl(fd, F_GETFL);
1843 if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
1844 close(fd);
1845 return -TARGET_EINVAL;
1846 }
1847 }
1848#endif
1849 return fd;
f651e6ae
PJ		 1850}
1851
1852/* do_socket() Must return target values and target errnos. */
1853static abi_long do_socket(int domain, int type, int protocol)
1854{
53d09b76
EI		 1855 int target_type = type;
1856 int ret;
1857
1858 ret = target_to_host_sock_type(&type);
1859 if (ret) {
1860 return ret;
1861 }
f651e6ae 1862
12bc92ab
AZ		 1863 if (domain == PF_NETLINK)
1864 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
53d09b76
EI		 1865 ret = get_errno(socket(domain, type, protocol));
1866 if (ret >= 0) {
1867 ret = sock_flags_fixup(ret, target_type);
1868 }
1869 return ret;
3532fa74
FB		 1870}
1871
0da46a6e 1872/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1873static abi_long do_bind(int sockfd, abi_ulong target_addr,
1874 socklen_t addrlen)
3532fa74 1875{
8f7aeaf6 1876 void *addr;
917507b0 1877 abi_long ret;
8f7aeaf6 1878
38724253 1879 if ((int)addrlen < 0) {
8f7aeaf6 1880 return -TARGET_EINVAL;
38724253 1881 }
8f7aeaf6 1882
607175e0 1883 addr = alloca(addrlen+1);
3b46e624 1884
917507b0
AP		 1885 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1886 if (ret)
1887 return ret;
1888
3532fa74
FB		 1889 return get_errno(bind(sockfd, addr, addrlen));
1890}
1891
0da46a6e 1892/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1893static abi_long do_connect(int sockfd, abi_ulong target_addr,
1894 socklen_t addrlen)
3532fa74 1895{
8f7aeaf6 1896 void *addr;
917507b0 1897 abi_long ret;
8f7aeaf6 1898
38724253 1899 if ((int)addrlen < 0) {
8f7aeaf6 1900 return -TARGET_EINVAL;
38724253 1901 }
8f7aeaf6
AJ		 1902
1903 addr = alloca(addrlen);
3b46e624 1904
917507b0
AP		 1905 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1906 if (ret)
1907 return ret;
1908
3532fa74
FB		 1909 return get_errno(connect(sockfd, addr, addrlen));
1910}
1911
f19e00d7
AG		 1912/* do_sendrecvmsg_locked() Must return target values and target errnos. */
1913static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
1914 int flags, int send)
3532fa74 1915{
6de645c7 1916 abi_long ret, len;
3532fa74
FB		 1917 struct msghdr msg;
1918 int count;
1919 struct iovec *vec;
992f48a0 1920 abi_ulong target_vec;
3532fa74 1921
3532fa74
FB		 1922 if (msgp->msg_name) {
1923 msg.msg_namelen = tswap32(msgp->msg_namelen);
1924 msg.msg_name = alloca(msg.msg_namelen);
cbb21eed 1925 ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
3532fa74 1926 msg.msg_namelen);
917507b0 1927 if (ret) {
f287b2c2 1928 goto out2;
917507b0 1929 }
3532fa74
FB		 1930 } else {
1931 msg.msg_name = NULL;
1932 msg.msg_namelen = 0;
1933 }
cbb21eed 1934 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3532fa74
FB		 1935 msg.msg_control = alloca(msg.msg_controllen);
1936 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1937
cbb21eed 1938 count = tswapal(msgp->msg_iovlen);
cbb21eed 1939 target_vec = tswapal(msgp->msg_iov);
f287b2c2
RH		 1940 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
1941 target_vec, count, send);
1942 if (vec == NULL) {
1943 ret = -host_to_target_errno(errno);
1944 goto out2;
1945 }
3532fa74
FB		 1946 msg.msg_iovlen = count;
1947 msg.msg_iov = vec;
3b46e624 1948
3532fa74 1949 if (send) {
5a4a898d
FB		 1950 ret = target_to_host_cmsg(&msg, msgp);
1951 if (ret == 0)
1952 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1953 } else {
1954 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1955 if (!is_error(ret)) {
1956 len = ret;
5a4a898d 1957 ret = host_to_target_cmsg(msgp, &msg);
ca619067
JH		 1958 if (!is_error(ret)) {
1959 msgp->msg_namelen = tswap32(msg.msg_namelen);
1960 if (msg.msg_name != NULL) {
1961 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
1962 msg.msg_name, msg.msg_namelen);
1963 if (ret) {
1964 goto out;
1965 }
1966 }
1967
6de645c7 1968 ret = len;
ca619067 1969 }
6de645c7 1970 }
3532fa74 1971 }
ca619067
JH		 1972
1973out:
3532fa74 1974 unlock_iovec(vec, target_vec, count, !send);
f287b2c2 1975out2:
f19e00d7
AG		 1976 return ret;
1977}
1978
1979static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1980 int flags, int send)
1981{
1982 abi_long ret;
1983 struct target_msghdr *msgp;
1984
1985 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1986 msgp,
1987 target_msg,
1988 send ? 1 : 0)) {
1989 return -TARGET_EFAULT;
1990 }
1991 ret = do_sendrecvmsg_locked(fd, msgp, flags, send);
579a97f7 1992 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1993 return ret;
1994}
1995
f19e00d7
AG		 1996#ifdef TARGET_NR_sendmmsg
1997/* We don't rely on the C library to have sendmmsg/recvmmsg support,
1998 * so it might not have this *mmsg-specific flag either.
1999 */
2000#ifndef MSG_WAITFORONE
2001#define MSG_WAITFORONE 0x10000
2002#endif
2003
2004static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
2005 unsigned int vlen, unsigned int flags,
2006 int send)
2007{
2008 struct target_mmsghdr *mmsgp;
2009 abi_long ret = 0;
2010 int i;
2011
2012 if (vlen > UIO_MAXIOV) {
2013 vlen = UIO_MAXIOV;
2014 }
2015
2016 mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1);
2017 if (!mmsgp) {
2018 return -TARGET_EFAULT;
2019 }
2020
2021 for (i = 0; i < vlen; i++) {
2022 ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send);
2023 if (is_error(ret)) {
2024 break;
2025 }
2026 mmsgp[i].msg_len = tswap32(ret);
2027 /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
2028 if (flags & MSG_WAITFORONE) {
2029 flags |= MSG_DONTWAIT;
2030 }
2031 }
2032
2033 unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i);
2034
2035 /* Return number of datagrams sent if we sent any at all;
2036 * otherwise return the error.
2037 */
2038 if (i) {
2039 return i;
2040 }
2041 return ret;
2042}
2043#endif
2044
a94b4987
PM		 2045/* If we don't have a system accept4() then just call accept.
2046 * The callsites to do_accept4() will ensure that they don't
2047 * pass a non-zero flags argument in this config.
2048 */
2049#ifndef CONFIG_ACCEPT4
2050static inline int accept4(int sockfd, struct sockaddr *addr,
2051 socklen_t *addrlen, int flags)
2052{
2053 assert(flags == 0);
2054 return accept(sockfd, addr, addrlen);
2055}
2056#endif
2057
2058/* do_accept4() Must return target values and target errnos. */
2059static abi_long do_accept4(int fd, abi_ulong target_addr,
2060 abi_ulong target_addrlen_addr, int flags)
1be9e1dc 2061{
2f619698
FB		 2062 socklen_t addrlen;
2063 void *addr;
992f48a0 2064 abi_long ret;
1be9e1dc 2065
a94b4987
PM		 2066 if (target_addr == 0) {
2067 return get_errno(accept4(fd, NULL, NULL, flags));
2068 }
917507b0
AP		 2069
2070 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 2071 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 2072 return -TARGET_EINVAL;
2f619698 2073
38724253 2074 if ((int)addrlen < 0) {
8f7aeaf6 2075 return -TARGET_EINVAL;
38724253 2076 }
8f7aeaf6 2077
917507b0
AP		 2078 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2079 return -TARGET_EINVAL;
2080
2f619698
FB		 2081 addr = alloca(addrlen);
2082
a94b4987 2083 ret = get_errno(accept4(fd, addr, &addrlen, flags));
1be9e1dc
PB		 2084 if (!is_error(ret)) {
2085 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2086 if (put_user_u32(addrlen, target_addrlen_addr))
2087 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2088 }
2089 return ret;
2090}
2091
0da46a6e 2092/* do_getpeername() Must return target values and target errnos. */
992f48a0 2093static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 2094 abi_ulong target_addrlen_addr)
1be9e1dc 2095{
2f619698
FB		 2096 socklen_t addrlen;
2097 void *addr;
992f48a0 2098 abi_long ret;
1be9e1dc 2099
2f619698
FB		 2100 if (get_user_u32(addrlen, target_addrlen_addr))
2101 return -TARGET_EFAULT;
2102
38724253 2103 if ((int)addrlen < 0) {
8f7aeaf6 2104 return -TARGET_EINVAL;
38724253 2105 }
8f7aeaf6 2106
917507b0
AP		 2107 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2108 return -TARGET_EFAULT;
2109
2f619698
FB		 2110 addr = alloca(addrlen);
2111
1be9e1dc
PB		 2112 ret = get_errno(getpeername(fd, addr, &addrlen));
2113 if (!is_error(ret)) {
2114 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2115 if (put_user_u32(addrlen, target_addrlen_addr))
2116 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2117 }
2118 return ret;
2119}
2120
0da46a6e 2121/* do_getsockname() Must return target values and target errnos. */
992f48a0 2122static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 2123 abi_ulong target_addrlen_addr)
1be9e1dc 2124{
2f619698
FB		 2125 socklen_t addrlen;
2126 void *addr;
992f48a0 2127 abi_long ret;
1be9e1dc 2128
2f619698
FB		 2129 if (get_user_u32(addrlen, target_addrlen_addr))
2130 return -TARGET_EFAULT;
2131
38724253 2132 if ((int)addrlen < 0) {
8f7aeaf6 2133 return -TARGET_EINVAL;
38724253 2134 }
8f7aeaf6 2135
917507b0
AP		 2136 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2137 return -TARGET_EFAULT;
2138
2f619698
FB		 2139 addr = alloca(addrlen);
2140
1be9e1dc
PB		 2141 ret = get_errno(getsockname(fd, addr, &addrlen));
2142 if (!is_error(ret)) {
2143 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2144 if (put_user_u32(addrlen, target_addrlen_addr))
2145 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2146 }
2147 return ret;
2148}
2149
0da46a6e 2150/* do_socketpair() Must return target values and target errnos. */
992f48a0 2151static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 2152 abi_ulong target_tab_addr)
1be9e1dc
PB		 2153{
2154 int tab[2];
992f48a0 2155 abi_long ret;
1be9e1dc 2156
f651e6ae
PJ		 2157 target_to_host_sock_type(&type);
2158
1be9e1dc
PB		 2159 ret = get_errno(socketpair(domain, type, protocol, tab));
2160 if (!is_error(ret)) {
2f619698
FB		 2161 if (put_user_s32(tab[0], target_tab_addr)
2162 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
2163 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2164 }
2165 return ret;
2166}
2167
0da46a6e 2168/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 2169static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
2170 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 2171{
2172 void *addr;
2173 void *host_msg;
992f48a0 2174 abi_long ret;
1be9e1dc 2175
38724253 2176 if ((int)addrlen < 0) {
8f7aeaf6 2177 return -TARGET_EINVAL;
38724253 2178 }
8f7aeaf6 2179
579a97f7
FB		 2180 host_msg = lock_user(VERIFY_READ, msg, len, 1);
2181 if (!host_msg)
2182 return -TARGET_EFAULT;
1be9e1dc
PB		 2183 if (target_addr) {
2184 addr = alloca(addrlen);
917507b0
AP		 2185 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2186 if (ret) {
2187 unlock_user(host_msg, msg, 0);
2188 return ret;
2189 }
1be9e1dc
PB		 2190 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
2191 } else {
2192 ret = get_errno(send(fd, host_msg, len, flags));
2193 }
2194 unlock_user(host_msg, msg, 0);
2195 return ret;
2196}
2197
0da46a6e 2198/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 2199static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
2200 abi_ulong target_addr,
2201 abi_ulong target_addrlen)
1be9e1dc
PB		 2202{
2203 socklen_t addrlen;
2204 void *addr;
2205 void *host_msg;
992f48a0 2206 abi_long ret;
1be9e1dc 2207
579a97f7
FB		 2208 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
2209 if (!host_msg)
2210 return -TARGET_EFAULT;
1be9e1dc 2211 if (target_addr) {
2f619698
FB		 2212 if (get_user_u32(addrlen, target_addrlen)) {
2213 ret = -TARGET_EFAULT;
2214 goto fail;
2215 }
38724253 2216 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 2217 ret = -TARGET_EINVAL;
2218 goto fail;
2219 }
1be9e1dc
PB		 2220 addr = alloca(addrlen);
2221 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
2222 } else {
2223 addr = NULL; /* To keep compiler quiet. */
00aa0040 2224 ret = get_errno(qemu_recv(fd, host_msg, len, flags));
1be9e1dc
PB		 2225 }
2226 if (!is_error(ret)) {
2227 if (target_addr) {
2228 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2229 if (put_user_u32(addrlen, target_addrlen)) {
2230 ret = -TARGET_EFAULT;
2231 goto fail;
2232 }
1be9e1dc
PB		 2233 }
2234 unlock_user(host_msg, msg, len);
2235 } else {
2f619698 2236fail:
1be9e1dc
PB		 2237 unlock_user(host_msg, msg, 0);
2238 }
2239 return ret;
2240}
2241
32407103 2242#ifdef TARGET_NR_socketcall
0da46a6e 2243/* do_socketcall() Must return target values and target errnos. */
992f48a0 2244static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 2245{
62dc90c6
MT		 2246 static const unsigned ac[] = { /* number of arguments per call */
2247 [SOCKOP_socket] = 3, /* domain, type, protocol */
2248 [SOCKOP_bind] = 3, /* sockfd, addr, addrlen */
2249 [SOCKOP_connect] = 3, /* sockfd, addr, addrlen */
2250 [SOCKOP_listen] = 2, /* sockfd, backlog */
2251 [SOCKOP_accept] = 3, /* sockfd, addr, addrlen */
2252 [SOCKOP_accept4] = 4, /* sockfd, addr, addrlen, flags */
2253 [SOCKOP_getsockname] = 3, /* sockfd, addr, addrlen */
2254 [SOCKOP_getpeername] = 3, /* sockfd, addr, addrlen */
2255 [SOCKOP_socketpair] = 4, /* domain, type, protocol, tab */
2256 [SOCKOP_send] = 4, /* sockfd, msg, len, flags */
2257 [SOCKOP_recv] = 4, /* sockfd, msg, len, flags */
2258 [SOCKOP_sendto] = 6, /* sockfd, msg, len, flags, addr, addrlen */
2259 [SOCKOP_recvfrom] = 6, /* sockfd, msg, len, flags, addr, addrlen */
2260 [SOCKOP_shutdown] = 2, /* sockfd, how */
2261 [SOCKOP_sendmsg] = 3, /* sockfd, msg, flags */
2262 [SOCKOP_recvmsg] = 3, /* sockfd, msg, flags */
2263 [SOCKOP_setsockopt] = 5, /* sockfd, level, optname, optval, optlen */
2264 [SOCKOP_getsockopt] = 5, /* sockfd, level, optname, optval, optlen */
2265 };
2266 abi_long a[6]; /* max 6 args */
2267
2268 /* first, collect the arguments in a[] according to ac[] */
2269 if (num >= 0 && num < ARRAY_SIZE(ac)) {
2270 unsigned i;
2271 assert(ARRAY_SIZE(a) >= ac[num]); /* ensure we have space for args */
2272 for (i = 0; i < ac[num]; ++i) {
2273 if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
b9d36eb2
AH		 2274 return -TARGET_EFAULT;
2275 }
31e31b8a 2276 }
62dc90c6 2277 }
7854b056 2278
62dc90c6
MT		 2279 /* now when we have the args, actually handle the call */
2280 switch (num) {
2281 case SOCKOP_socket: /* domain, type, protocol */
2282 return do_socket(a[0], a[1], a[2]);
2283 case SOCKOP_bind: /* sockfd, addr, addrlen */
2284 return do_bind(a[0], a[1], a[2]);
2285 case SOCKOP_connect: /* sockfd, addr, addrlen */
2286 return do_connect(a[0], a[1], a[2]);
2287 case SOCKOP_listen: /* sockfd, backlog */
2288 return get_errno(listen(a[0], a[1]));
2289 case SOCKOP_accept: /* sockfd, addr, addrlen */
2290 return do_accept4(a[0], a[1], a[2], 0);
2291 case SOCKOP_accept4: /* sockfd, addr, addrlen, flags */
2292 return do_accept4(a[0], a[1], a[2], a[3]);
2293 case SOCKOP_getsockname: /* sockfd, addr, addrlen */
2294 return do_getsockname(a[0], a[1], a[2]);
2295 case SOCKOP_getpeername: /* sockfd, addr, addrlen */
2296 return do_getpeername(a[0], a[1], a[2]);
2297 case SOCKOP_socketpair: /* domain, type, protocol, tab */
2298 return do_socketpair(a[0], a[1], a[2], a[3]);
2299 case SOCKOP_send: /* sockfd, msg, len, flags */
2300 return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
2301 case SOCKOP_recv: /* sockfd, msg, len, flags */
2302 return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
2303 case SOCKOP_sendto: /* sockfd, msg, len, flags, addr, addrlen */
2304 return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
2305 case SOCKOP_recvfrom: /* sockfd, msg, len, flags, addr, addrlen */
2306 return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
2307 case SOCKOP_shutdown: /* sockfd, how */
2308 return get_errno(shutdown(a[0], a[1]));
2309 case SOCKOP_sendmsg: /* sockfd, msg, flags */
2310 return do_sendrecvmsg(a[0], a[1], a[2], 1);
2311 case SOCKOP_recvmsg: /* sockfd, msg, flags */
2312 return do_sendrecvmsg(a[0], a[1], a[2], 0);
2313 case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */
2314 return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
2315 case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */
2316 return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
31e31b8a
FB		 2317 default:
2318 gemu_log("Unsupported socketcall: %d\n", num);
62dc90c6 2319 return -TARGET_ENOSYS;
31e31b8a 2320 }
31e31b8a 2321}
32407103 2322#endif
31e31b8a 2323
8853f86e
FB		 2324#define N_SHM_REGIONS 32
2325
2326static struct shm_region {
5a4a898d
FB		 2327 abi_ulong start;
2328 abi_ulong size;
8853f86e
FB		 2329} shm_regions[N_SHM_REGIONS];
2330
3eb6b044
TS		 2331struct target_semid_ds
2332{
2333 struct target_ipc_perm sem_perm;
992f48a0
BS		 2334 abi_ulong sem_otime;
2335 abi_ulong __unused1;
2336 abi_ulong sem_ctime;
2337 abi_ulong __unused2;
2338 abi_ulong sem_nsems;
2339 abi_ulong __unused3;
2340 abi_ulong __unused4;
3eb6b044
TS		 2341};
2342
579a97f7
FB		 2343static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2344 abi_ulong target_addr)
3eb6b044
TS		 2345{
2346 struct target_ipc_perm *target_ip;
2347 struct target_semid_ds *target_sd;
2348
579a97f7
FB		 2349 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2350 return -TARGET_EFAULT;
e8bbe36c 2351 target_ip = &(target_sd->sem_perm);
55a2b163
PJ		 2352 host_ip->__key = tswap32(target_ip->__key);
2353 host_ip->uid = tswap32(target_ip->uid);
2354 host_ip->gid = tswap32(target_ip->gid);
2355 host_ip->cuid = tswap32(target_ip->cuid);
2356 host_ip->cgid = tswap32(target_ip->cgid);
2357#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
2358 host_ip->mode = tswap32(target_ip->mode);
2359#else
cbb21eed 2360 host_ip->mode = tswap16(target_ip->mode);
55a2b163
PJ		 2361#endif
2362#if defined(TARGET_PPC)
2363 host_ip->__seq = tswap32(target_ip->__seq);
2364#else
2365 host_ip->__seq = tswap16(target_ip->__seq);
2366#endif
3eb6b044 2367 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2368 return 0;
3eb6b044
TS		 2369}
2370
579a97f7
FB		 2371static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2372 struct ipc_perm *host_ip)
3eb6b044
TS		 2373{
2374 struct target_ipc_perm *target_ip;
2375 struct target_semid_ds *target_sd;
2376
579a97f7
FB		 2377 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2378 return -TARGET_EFAULT;
3eb6b044 2379 target_ip = &(target_sd->sem_perm);
55a2b163
PJ		 2380 target_ip->__key = tswap32(host_ip->__key);
2381 target_ip->uid = tswap32(host_ip->uid);
2382 target_ip->gid = tswap32(host_ip->gid);
2383 target_ip->cuid = tswap32(host_ip->cuid);
2384 target_ip->cgid = tswap32(host_ip->cgid);
2385#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC)
2386 target_ip->mode = tswap32(host_ip->mode);
2387#else
cbb21eed 2388 target_ip->mode = tswap16(host_ip->mode);
55a2b163
PJ		 2389#endif
2390#if defined(TARGET_PPC)
2391 target_ip->__seq = tswap32(host_ip->__seq);
2392#else
2393 target_ip->__seq = tswap16(host_ip->__seq);
2394#endif
3eb6b044 2395 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2396 return 0;
3eb6b044
TS		 2397}
2398
579a97f7
FB		 2399static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2400 abi_ulong target_addr)
3eb6b044
TS		 2401{
2402 struct target_semid_ds *target_sd;
2403
579a97f7
FB		 2404 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2405 return -TARGET_EFAULT;
e5289087
AJ		 2406 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2407 return -TARGET_EFAULT;
cbb21eed
MB		 2408 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
2409 host_sd->sem_otime = tswapal(target_sd->sem_otime);
2410 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3eb6b044 2411 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2412 return 0;
3eb6b044
TS		 2413}
2414
579a97f7
FB		 2415static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2416 struct semid_ds *host_sd)
3eb6b044
TS		 2417{
2418 struct target_semid_ds *target_sd;
2419
579a97f7
FB		 2420 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2421 return -TARGET_EFAULT;
e5289087 2422 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3a93113a 2423 return -TARGET_EFAULT;
cbb21eed
MB		 2424 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
2425 target_sd->sem_otime = tswapal(host_sd->sem_otime);
2426 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3eb6b044 2427 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2428 return 0;
3eb6b044
TS		 2429}
2430
e5289087
AJ		 2431struct target_seminfo {
2432 int semmap;
2433 int semmni;
2434 int semmns;
2435 int semmnu;
2436 int semmsl;
2437 int semopm;
2438 int semume;
2439 int semusz;
2440 int semvmx;
2441 int semaem;
2442};
2443
2444static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2445 struct seminfo *host_seminfo)
2446{
2447 struct target_seminfo *target_seminfo;
2448 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2449 return -TARGET_EFAULT;
2450 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2451 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2452 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2453 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2454 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2455 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2456 __put_user(host_seminfo->semume, &target_seminfo->semume);
2457 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2458 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2459 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2460 unlock_user_struct(target_seminfo, target_addr, 1);
2461 return 0;
2462}
2463
fa294816
TS		 2464union semun {
2465 int val;
3eb6b044 2466 struct semid_ds *buf;
fa294816 2467 unsigned short *array;
e5289087 2468 struct seminfo *__buf;
fa294816
TS		 2469};
2470
3eb6b044
TS		 2471union target_semun {
2472 int val;
e5289087
AJ		 2473 abi_ulong buf;
2474 abi_ulong array;
2475 abi_ulong __buf;
3eb6b044
TS		 2476};
2477
e5289087
AJ		 2478static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2479 abi_ulong target_addr)
3eb6b044 2480{
e5289087
AJ		 2481 int nsems;
2482 unsigned short *array;
2483 union semun semun;
2484 struct semid_ds semid_ds;
2485 int i, ret;
3eb6b044 2486
e5289087
AJ		 2487 semun.buf = &semid_ds;
2488
2489 ret = semctl(semid, 0, IPC_STAT, semun);
2490 if (ret == -1)
2491 return get_errno(ret);
2492
2493 nsems = semid_ds.sem_nsems;
2494
2495 *host_array = malloc(nsems*sizeof(unsigned short));
69d4c703
PM		 2496 if (!*host_array) {
2497 return -TARGET_ENOMEM;
2498 }
e5289087
AJ		 2499 array = lock_user(VERIFY_READ, target_addr,
2500 nsems*sizeof(unsigned short), 1);
69d4c703
PM		 2501 if (!array) {
2502 free(*host_array);
e5289087 2503 return -TARGET_EFAULT;
69d4c703 2504 }
e5289087
AJ		 2505
2506 for(i=0; i<nsems; i++) {
2507 __get_user((*host_array)[i], &array[i]);
3eb6b044 2508 }
e5289087
AJ		 2509 unlock_user(array, target_addr, 0);
2510
579a97f7 2511 return 0;
3eb6b044
TS		 2512}
2513
e5289087
AJ		 2514static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2515 unsigned short **host_array)
3eb6b044 2516{
e5289087
AJ		 2517 int nsems;
2518 unsigned short *array;
2519 union semun semun;
2520 struct semid_ds semid_ds;
2521 int i, ret;
3eb6b044 2522
e5289087
AJ		 2523 semun.buf = &semid_ds;
2524
2525 ret = semctl(semid, 0, IPC_STAT, semun);
2526 if (ret == -1)
2527 return get_errno(ret);
2528
2529 nsems = semid_ds.sem_nsems;
2530
2531 array = lock_user(VERIFY_WRITE, target_addr,
2532 nsems*sizeof(unsigned short), 0);
2533 if (!array)
2534 return -TARGET_EFAULT;
2535
2536 for(i=0; i<nsems; i++) {
2537 __put_user((*host_array)[i], &array[i]);
3eb6b044 2538 }
e5289087
AJ		 2539 free(*host_array);
2540 unlock_user(array, target_addr, 1);
2541
579a97f7 2542 return 0;
3eb6b044
TS		 2543}
2544
e5289087
AJ		 2545static inline abi_long do_semctl(int semid, int semnum, int cmd,
2546 union target_semun target_su)
3eb6b044
TS		 2547{
2548 union semun arg;
2549 struct semid_ds dsarg;
7b8118e8 2550 unsigned short *array = NULL;
e5289087
AJ		 2551 struct seminfo seminfo;
2552 abi_long ret = -TARGET_EINVAL;
2553 abi_long err;
2554 cmd &= 0xff;
3eb6b044
TS		 2555
2556 switch( cmd ) {
2557 case GETVAL:
3eb6b044 2558 case SETVAL:
cbb21eed 2559 arg.val = tswap32(target_su.val);
e5289087 2560 ret = get_errno(semctl(semid, semnum, cmd, arg));
cbb21eed 2561 target_su.val = tswap32(arg.val);
3eb6b044
TS		 2562 break;
2563 case GETALL:
3eb6b044 2564 case SETALL:
e5289087
AJ		 2565 err = target_to_host_semarray(semid, &array, target_su.array);
2566 if (err)
2567 return err;
2568 arg.array = array;
2569 ret = get_errno(semctl(semid, semnum, cmd, arg));
2570 err = host_to_target_semarray(semid, target_su.array, &array);
2571 if (err)
2572 return err;
3eb6b044
TS		 2573 break;
2574 case IPC_STAT:
3eb6b044 2575 case IPC_SET:
e5289087
AJ		 2576 case SEM_STAT:
2577 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2578 if (err)
2579 return err;
2580 arg.buf = &dsarg;
2581 ret = get_errno(semctl(semid, semnum, cmd, arg));
2582 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2583 if (err)
2584 return err;
2585 break;
2586 case IPC_INFO:
2587 case SEM_INFO:
2588 arg.__buf = &seminfo;
2589 ret = get_errno(semctl(semid, semnum, cmd, arg));
2590 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2591 if (err)
2592 return err;
2593 break;
2594 case IPC_RMID:
2595 case GETPID:
2596 case GETNCNT:
2597 case GETZCNT:
2598 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2599 break;
3eb6b044
TS		 2600 }
2601
2602 return ret;
2603}
2604
e5289087
AJ		 2605struct target_sembuf {
2606 unsigned short sem_num;
2607 short sem_op;
2608 short sem_flg;
2609};
2610
2611static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2612 abi_ulong target_addr,
2613 unsigned nsops)
2614{
2615 struct target_sembuf *target_sembuf;
2616 int i;
2617
2618 target_sembuf = lock_user(VERIFY_READ, target_addr,
2619 nsops*sizeof(struct target_sembuf), 1);
2620 if (!target_sembuf)
2621 return -TARGET_EFAULT;
2622
2623 for(i=0; i<nsops; i++) {
2624 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2625 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2626 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2627 }
2628
2629 unlock_user(target_sembuf, target_addr, 0);
2630
2631 return 0;
2632}
2633
2634static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2635{
2636 struct sembuf sops[nsops];
2637
2638 if (target_to_host_sembuf(sops, ptr, nsops))
2639 return -TARGET_EFAULT;
2640
c7128c9f 2641 return get_errno(semop(semid, sops, nsops));
e5289087
AJ		 2642}
2643
1bc012f6
TS		 2644struct target_msqid_ds
2645{
1c54ff97
AJ		 2646 struct target_ipc_perm msg_perm;
2647 abi_ulong msg_stime;
2648#if TARGET_ABI_BITS == 32
2649 abi_ulong __unused1;
2650#endif
2651 abi_ulong msg_rtime;
2652#if TARGET_ABI_BITS == 32
2653 abi_ulong __unused2;
2654#endif
2655 abi_ulong msg_ctime;
2656#if TARGET_ABI_BITS == 32
2657 abi_ulong __unused3;
2658#endif
2659 abi_ulong __msg_cbytes;
2660 abi_ulong msg_qnum;
2661 abi_ulong msg_qbytes;
2662 abi_ulong msg_lspid;
2663 abi_ulong msg_lrpid;
2664 abi_ulong __unused4;
2665 abi_ulong __unused5;
1bc012f6
TS		 2666};
2667
579a97f7
FB		 2668static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2669 abi_ulong target_addr)
1bc012f6
TS		 2670{
2671 struct target_msqid_ds *target_md;
2672
579a97f7
FB		 2673 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2674 return -TARGET_EFAULT;
1c54ff97
AJ		 2675 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2676 return -TARGET_EFAULT;
cbb21eed
MB		 2677 host_md->msg_stime = tswapal(target_md->msg_stime);
2678 host_md->msg_rtime = tswapal(target_md->msg_rtime);
2679 host_md->msg_ctime = tswapal(target_md->msg_ctime);
2680 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
2681 host_md->msg_qnum = tswapal(target_md->msg_qnum);
2682 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
2683 host_md->msg_lspid = tswapal(target_md->msg_lspid);
2684 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
1bc012f6 2685 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2686 return 0;
1bc012f6
TS		 2687}
2688
579a97f7
FB		 2689static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2690 struct msqid_ds *host_md)
1bc012f6
TS		 2691{
2692 struct target_msqid_ds *target_md;
2693
579a97f7
FB		 2694 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2695 return -TARGET_EFAULT;
1c54ff97
AJ		 2696 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2697 return -TARGET_EFAULT;
cbb21eed
MB		 2698 target_md->msg_stime = tswapal(host_md->msg_stime);
2699 target_md->msg_rtime = tswapal(host_md->msg_rtime);
2700 target_md->msg_ctime = tswapal(host_md->msg_ctime);
2701 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
2702 target_md->msg_qnum = tswapal(host_md->msg_qnum);
2703 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
2704 target_md->msg_lspid = tswapal(host_md->msg_lspid);
2705 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
1bc012f6 2706 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2707 return 0;
1bc012f6
TS		 2708}
2709
1c54ff97
AJ		 2710struct target_msginfo {
2711 int msgpool;
2712 int msgmap;
2713 int msgmax;
2714 int msgmnb;
2715 int msgmni;
2716 int msgssz;
2717 int msgtql;
2718 unsigned short int msgseg;
2719};
2720
2721static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2722 struct msginfo *host_msginfo)
2723{
2724 struct target_msginfo *target_msginfo;
2725 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2726 return -TARGET_EFAULT;
2727 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2728 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2729 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2730 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2731 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2732 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2733 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2734 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2735 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2736 return 0;
1c54ff97
AJ		 2737}
2738
2739static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2740{
2741 struct msqid_ds dsarg;
1c54ff97
AJ		 2742 struct msginfo msginfo;
2743 abi_long ret = -TARGET_EINVAL;
2744
2745 cmd &= 0xff;
2746
2747 switch (cmd) {
1bc012f6
TS		 2748 case IPC_STAT:
2749 case IPC_SET:
1c54ff97
AJ		 2750 case MSG_STAT:
2751 if (target_to_host_msqid_ds(&dsarg,ptr))
2752 return -TARGET_EFAULT;
2753 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2754 if (host_to_target_msqid_ds(ptr,&dsarg))
2755 return -TARGET_EFAULT;
2756 break;
2757 case IPC_RMID:
2758 ret = get_errno(msgctl(msgid, cmd, NULL));
2759 break;
2760 case IPC_INFO:
2761 case MSG_INFO:
2762 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2763 if (host_to_target_msginfo(ptr, &msginfo))
2764 return -TARGET_EFAULT;
2765 break;
1bc012f6 2766 }
1c54ff97 2767
1bc012f6
TS		 2768 return ret;
2769}
2770
2771struct target_msgbuf {
1c54ff97
AJ		 2772 abi_long mtype;
2773 char mtext[1];
1bc012f6
TS		 2774};
2775
992f48a0
BS		 2776static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2777 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2778{
2779 struct target_msgbuf *target_mb;
2780 struct msgbuf *host_mb;
992f48a0 2781 abi_long ret = 0;
1bc012f6 2782
579a97f7
FB		 2783 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2784 return -TARGET_EFAULT;
1bc012f6 2785 host_mb = malloc(msgsz+sizeof(long));
cbb21eed 2786 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
1c54ff97 2787 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2788 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2789 free(host_mb);
2790 unlock_user_struct(target_mb, msgp, 0);
2791
2792 return ret;
2793}
2794
992f48a0 2795static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2796 unsigned int msgsz, abi_long msgtyp,
992f48a0 2797 int msgflg)
1bc012f6
TS		 2798{
2799 struct target_msgbuf *target_mb;
579a97f7 2800 char *target_mtext;
1bc012f6 2801 struct msgbuf *host_mb;
992f48a0 2802 abi_long ret = 0;
1bc012f6 2803
579a97f7
FB		 2804 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2805 return -TARGET_EFAULT;
1c54ff97 2806
0d07fe47 2807 host_mb = g_malloc(msgsz+sizeof(long));
79dd77de 2808 ret = get_errno(msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
1c54ff97 2809
579a97f7
FB		 2810 if (ret > 0) {
2811 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2812 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2813 if (!target_mtext) {
2814 ret = -TARGET_EFAULT;
2815 goto end;
2816 }
1c54ff97 2817 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2818 unlock_user(target_mtext, target_mtext_addr, ret);
2819 }
1c54ff97 2820
cbb21eed 2821 target_mb->mtype = tswapal(host_mb->mtype);
1bc012f6 2822
579a97f7
FB		 2823end:
2824 if (target_mb)
2825 unlock_user_struct(target_mb, msgp, 1);
0d07fe47 2826 g_free(host_mb);
1bc012f6
TS		 2827 return ret;
2828}
2829
88a8c984
RV		 2830static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2831 abi_ulong target_addr)
2832{
2833 struct target_shmid_ds *target_sd;
2834
2835 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2836 return -TARGET_EFAULT;
2837 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2838 return -TARGET_EFAULT;
2839 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2840 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2841 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2842 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2843 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2844 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2845 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2846 unlock_user_struct(target_sd, target_addr, 0);
2847 return 0;
2848}
2849
2850static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2851 struct shmid_ds *host_sd)
2852{
2853 struct target_shmid_ds *target_sd;
2854
2855 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2856 return -TARGET_EFAULT;
2857 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2858 return -TARGET_EFAULT;
2859 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2860 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2861 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2862 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2863 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2864 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2865 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2866 unlock_user_struct(target_sd, target_addr, 1);
2867 return 0;
2868}
2869
2870struct target_shminfo {
2871 abi_ulong shmmax;
2872 abi_ulong shmmin;
2873 abi_ulong shmmni;
2874 abi_ulong shmseg;
2875 abi_ulong shmall;
2876};
2877
2878static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2879 struct shminfo *host_shminfo)
2880{
2881 struct target_shminfo *target_shminfo;
2882 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2883 return -TARGET_EFAULT;
2884 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2885 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2886 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2887 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2888 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2889 unlock_user_struct(target_shminfo, target_addr, 1);
2890 return 0;
2891}
2892
2893struct target_shm_info {
2894 int used_ids;
2895 abi_ulong shm_tot;
2896 abi_ulong shm_rss;
2897 abi_ulong shm_swp;
2898 abi_ulong swap_attempts;
2899 abi_ulong swap_successes;
2900};
2901
2902static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2903 struct shm_info *host_shm_info)
2904{
2905 struct target_shm_info *target_shm_info;
2906 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2907 return -TARGET_EFAULT;
2908 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2909 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2910 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2911 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2912 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2913 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2914 unlock_user_struct(target_shm_info, target_addr, 1);
2915 return 0;
2916}
2917
2918static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2919{
2920 struct shmid_ds dsarg;
2921 struct shminfo shminfo;
2922 struct shm_info shm_info;
2923 abi_long ret = -TARGET_EINVAL;
2924
2925 cmd &= 0xff;
2926
2927 switch(cmd) {
2928 case IPC_STAT:
2929 case IPC_SET:
2930 case SHM_STAT:
2931 if (target_to_host_shmid_ds(&dsarg, buf))
2932 return -TARGET_EFAULT;
2933 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2934 if (host_to_target_shmid_ds(buf, &dsarg))
2935 return -TARGET_EFAULT;
2936 break;
2937 case IPC_INFO:
2938 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2939 if (host_to_target_shminfo(buf, &shminfo))
2940 return -TARGET_EFAULT;
2941 break;
2942 case SHM_INFO:
2943 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2944 if (host_to_target_shm_info(buf, &shm_info))
2945 return -TARGET_EFAULT;
2946 break;
2947 case IPC_RMID:
2948 case SHM_LOCK:
2949 case SHM_UNLOCK:
2950 ret = get_errno(shmctl(shmid, cmd, NULL));
2951 break;
2952 }
2953
2954 return ret;
2955}
2956
2957static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2958{
2959 abi_long raddr;
2960 void *host_raddr;
2961 struct shmid_ds shm_info;
2962 int i,ret;
2963
2964 /* find out the length of the shared memory segment */
2965 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2966 if (is_error(ret)) {
2967 /* can't get length, bail out */
2968 return ret;
2969 }
2970
2971 mmap_lock();
2972
2973 if (shmaddr)
2974 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2975 else {
2976 abi_ulong mmap_start;
2977
2978 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2979
2980 if (mmap_start == -1) {
2981 errno = ENOMEM;
2982 host_raddr = (void *)-1;
2983 } else
2984 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2985 }
2986
2987 if (host_raddr == (void *)-1) {
2988 mmap_unlock();
2989 return get_errno((long)host_raddr);
2990 }
2991 raddr=h2g((unsigned long)host_raddr);
2992
2993 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2994 PAGE_VALID | PAGE_READ |
2995 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2996
2997 for (i = 0; i < N_SHM_REGIONS; i++) {
2998 if (shm_regions[i].start == 0) {
2999 shm_regions[i].start = raddr;
3000 shm_regions[i].size = shm_info.shm_segsz;
3001 break;
3002 }
3003 }
3004
3005 mmap_unlock();
3006 return raddr;
3007
3008}
3009
3010static inline abi_long do_shmdt(abi_ulong shmaddr)
3011{
3012 int i;
3013
3014 for (i = 0; i < N_SHM_REGIONS; ++i) {
3015 if (shm_regions[i].start == shmaddr) {
3016 shm_regions[i].start = 0;
e00ac249 3017 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 3018 break;
3019 }
3020 }
3021
3022 return get_errno(shmdt(g2h(shmaddr)));
3023}
3024
1c54ff97 3025#ifdef TARGET_NR_ipc
53a5960a 3026/* ??? This only works with linear mappings. */
0da46a6e 3027/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 3028static abi_long do_ipc(unsigned int call, int first,
3029 int second, int third,
3030 abi_long ptr, abi_long fifth)
8853f86e
FB		 3031{
3032 int version;
992f48a0 3033 abi_long ret = 0;
8853f86e
FB		 3034
3035 version = call >> 16;
3036 call &= 0xffff;
3037
3038 switch (call) {
fa294816 3039 case IPCOP_semop:
e5289087 3040 ret = do_semop(first, ptr, second);
fa294816
TS		 3041 break;
3042
3043 case IPCOP_semget:
3044 ret = get_errno(semget(first, second, third));
3045 break;
3046
3047 case IPCOP_semctl:
e5289087 3048 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 3049 break;
d96372ef 3050
1c54ff97
AJ		 3051 case IPCOP_msgget:
3052 ret = get_errno(msgget(first, second));
3053 break;
d96372ef 3054
1c54ff97
AJ		 3055 case IPCOP_msgsnd:
3056 ret = do_msgsnd(first, ptr, second, third);
3057 break;
d96372ef 3058
1c54ff97
AJ		 3059 case IPCOP_msgctl:
3060 ret = do_msgctl(first, second, ptr);
3061 break;
d96372ef 3062
1c54ff97
AJ		 3063 case IPCOP_msgrcv:
3064 switch (version) {
3065 case 0:
3066 {
3067 struct target_ipc_kludge {
3068 abi_long msgp;
3069 abi_long msgtyp;
3070 } *tmp;
3071
3072 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
3073 ret = -TARGET_EFAULT;
3074 break;
3075 }
d96372ef 3076
79dd77de 3077 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
d96372ef 3078
1c54ff97
AJ		 3079 unlock_user_struct(tmp, ptr, 0);
3080 break;
3081 }
3082 default:
3083 ret = do_msgrcv(first, ptr, second, fifth, third);
3084 }
3085 break;
d96372ef 3086
8853f86e 3087 case IPCOP_shmat:
88a8c984
RV		 3088 switch (version) {
3089 default:
5a4a898d
FB		 3090 {
3091 abi_ulong raddr;
88a8c984
RV		 3092 raddr = do_shmat(first, ptr, second);
3093 if (is_error(raddr))
3094 return get_errno(raddr);
2f619698 3095 if (put_user_ual(raddr, third))
5a4a898d 3096 return -TARGET_EFAULT;
88a8c984
RV		 3097 break;
3098 }
3099 case 1:
3100 ret = -TARGET_EINVAL;
3101 break;
5a4a898d 3102 }
8853f86e
FB		 3103 break;
3104 case IPCOP_shmdt:
88a8c984 3105 ret = do_shmdt(ptr);
8853f86e
FB		 3106 break;
3107
3108 case IPCOP_shmget:
3109 /* IPC_* flag values are the same on all linux platforms */
3110 ret = get_errno(shmget(first, second, third));
3111 break;
3112
3113 /* IPC_* and SHM_* command values are the same on all linux platforms */
3114 case IPCOP_shmctl:
a2926784 3115 ret = do_shmctl(first, second, ptr);
8853f86e
FB		 3116 break;
3117 default:
32407103 3118 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 3119 ret = -TARGET_ENOSYS;
8853f86e
FB		 3120 break;
3121 }
3122 return ret;
3123}
32407103 3124#endif
8853f86e 3125
31e31b8a 3126/* kernel structure types definitions */
31e31b8a 3127
001faf32 3128#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 3129#define STRUCT_SPECIAL(name) STRUCT_ ## name,
3130enum {
3131#include "syscall_types.h"
3132};
3133#undef STRUCT
3134#undef STRUCT_SPECIAL
3135
001faf32 3136#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 3137#define STRUCT_SPECIAL(name)
3138#include "syscall_types.h"
3139#undef STRUCT
3140#undef STRUCT_SPECIAL
3141
d2ef05bb
PM		 3142typedef struct IOCTLEntry IOCTLEntry;
3143
3144typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
3145 int fd, abi_long cmd, abi_long arg);
3146
3147struct IOCTLEntry {
2ab83ea7
FB		 3148 unsigned int target_cmd;
3149 unsigned int host_cmd;
31e31b8a
FB		 3150 const char *name;
3151 int access;
d2ef05bb 3152 do_ioctl_fn *do_ioctl;
1a9353d2 3153 const argtype arg_type[5];
d2ef05bb 3154};
31e31b8a
FB		 3155
3156#define IOC_R 0x0001
3157#define IOC_W 0x0002
3158#define IOC_RW (IOC_R | IOC_W)
3159
3160#define MAX_STRUCT_SIZE 4096
3161
dace20dc 3162#ifdef CONFIG_FIEMAP
285da2b9
PM		 3163/* So fiemap access checks don't overflow on 32 bit systems.
3164 * This is very slightly smaller than the limit imposed by
3165 * the underlying kernel.
3166 */
3167#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3168 / sizeof(struct fiemap_extent))
3169
3170static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
3171 int fd, abi_long cmd, abi_long arg)
3172{
3173 /* The parameter for this ioctl is a struct fiemap followed
3174 * by an array of struct fiemap_extent whose size is set
3175 * in fiemap->fm_extent_count. The array is filled in by the
3176 * ioctl.
3177 */
3178 int target_size_in, target_size_out;
3179 struct fiemap *fm;
3180 const argtype *arg_type = ie->arg_type;
3181 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3182 void *argptr, *p;
3183 abi_long ret;
3184 int i, extent_size = thunk_type_size(extent_arg_type, 0);
3185 uint32_t outbufsz;
3186 int free_fm = 0;
3187
3188 assert(arg_type[0] == TYPE_PTR);
3189 assert(ie->access == IOC_RW);
3190 arg_type++;
3191 target_size_in = thunk_type_size(arg_type, 0);
3192 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3193 if (!argptr) {
3194 return -TARGET_EFAULT;
3195 }
3196 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3197 unlock_user(argptr, arg, 0);
3198 fm = (struct fiemap *)buf_temp;
3199 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3200 return -TARGET_EINVAL;
3201 }
3202
3203 outbufsz = sizeof (*fm) +
3204 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3205
3206 if (outbufsz > MAX_STRUCT_SIZE) {
3207 /* We can't fit all the extents into the fixed size buffer.
3208 * Allocate one that is large enough and use it instead.
3209 */
3210 fm = malloc(outbufsz);
3211 if (!fm) {
3212 return -TARGET_ENOMEM;
3213 }
3214 memcpy(fm, buf_temp, sizeof(struct fiemap));
3215 free_fm = 1;
3216 }
3217 ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3218 if (!is_error(ret)) {
3219 target_size_out = target_size_in;
3220 /* An extent_count of 0 means we were only counting the extents
3221 * so there are no structs to copy
3222 */
3223 if (fm->fm_extent_count != 0) {
3224 target_size_out += fm->fm_mapped_extents * extent_size;
3225 }
3226 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3227 if (!argptr) {
3228 ret = -TARGET_EFAULT;
3229 } else {
3230 /* Convert the struct fiemap */
3231 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3232 if (fm->fm_extent_count != 0) {
3233 p = argptr + target_size_in;
3234 /* ...and then all the struct fiemap_extents */
3235 for (i = 0; i < fm->fm_mapped_extents; i++) {
3236 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3237 THUNK_TARGET);
3238 p += extent_size;
3239 }
3240 }
3241 unlock_user(argptr, arg, target_size_out);
3242 }
3243 }
3244 if (free_fm) {
3245 free(fm);
3246 }
3247 return ret;
3248}
dace20dc 3249#endif
285da2b9 3250
059c2f2c
LV		 3251static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
3252 int fd, abi_long cmd, abi_long arg)
3253{
3254 const argtype *arg_type = ie->arg_type;
3255 int target_size;
3256 void *argptr;
3257 int ret;
3258 struct ifconf *host_ifconf;
3259 uint32_t outbufsz;
3260 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
3261 int target_ifreq_size;
3262 int nb_ifreq;
3263 int free_buf = 0;
3264 int i;
3265 int target_ifc_len;
3266 abi_long target_ifc_buf;
3267 int host_ifc_len;
3268 char *host_ifc_buf;
3269
3270 assert(arg_type[0] == TYPE_PTR);
3271 assert(ie->access == IOC_RW);
3272
3273 arg_type++;
3274 target_size = thunk_type_size(arg_type, 0);
3275
3276 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3277 if (!argptr)
3278 return -TARGET_EFAULT;
3279 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3280 unlock_user(argptr, arg, 0);
3281
3282 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
3283 target_ifc_len = host_ifconf->ifc_len;
3284 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
3285
3286 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
3287 nb_ifreq = target_ifc_len / target_ifreq_size;
3288 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
3289
3290 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
3291 if (outbufsz > MAX_STRUCT_SIZE) {
3292 /* We can't fit all the extents into the fixed size buffer.
3293 * Allocate one that is large enough and use it instead.
3294 */
3295 host_ifconf = malloc(outbufsz);
3296 if (!host_ifconf) {
3297 return -TARGET_ENOMEM;
3298 }
3299 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
3300 free_buf = 1;
3301 }
3302 host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
3303
3304 host_ifconf->ifc_len = host_ifc_len;
3305 host_ifconf->ifc_buf = host_ifc_buf;
3306
3307 ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
3308 if (!is_error(ret)) {
3309 /* convert host ifc_len to target ifc_len */
3310
3311 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
3312 target_ifc_len = nb_ifreq * target_ifreq_size;
3313 host_ifconf->ifc_len = target_ifc_len;
3314
3315 /* restore target ifc_buf */
3316
3317 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
3318
3319 /* copy struct ifconf to target user */
3320
3321 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3322 if (!argptr)
3323 return -TARGET_EFAULT;
3324 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
3325 unlock_user(argptr, arg, target_size);
3326
3327 /* copy ifreq[] to target user */
3328
3329 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
3330 for (i = 0; i < nb_ifreq ; i++) {
3331 thunk_convert(argptr + i * target_ifreq_size,
3332 host_ifc_buf + i * sizeof(struct ifreq),
3333 ifreq_arg_type, THUNK_TARGET);
3334 }
3335 unlock_user(argptr, target_ifc_buf, target_ifc_len);
3336 }
3337
3338 if (free_buf) {
3339 free(host_ifconf);
3340 }
3341
3342 return ret;
3343}
3344
56e904ec
AG		 3345static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
3346 abi_long cmd, abi_long arg)
3347{
3348 void *argptr;
3349 struct dm_ioctl *host_dm;
3350 abi_long guest_data;
3351 uint32_t guest_data_size;
3352 int target_size;
3353 const argtype *arg_type = ie->arg_type;
3354 abi_long ret;
3355 void *big_buf = NULL;
3356 char *host_data;
3357
3358 arg_type++;
3359 target_size = thunk_type_size(arg_type, 0);
3360 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3361 if (!argptr) {
3362 ret = -TARGET_EFAULT;
3363 goto out;
3364 }
3365 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3366 unlock_user(argptr, arg, 0);
3367
3368 /* buf_temp is too small, so fetch things into a bigger buffer */
3369 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
3370 memcpy(big_buf, buf_temp, target_size);
3371 buf_temp = big_buf;
3372 host_dm = big_buf;
3373
3374 guest_data = arg + host_dm->data_start;
3375 if ((guest_data - arg) < 0) {
3376 ret = -EINVAL;
3377 goto out;
3378 }
3379 guest_data_size = host_dm->data_size - host_dm->data_start;
3380 host_data = (char*)host_dm + host_dm->data_start;
3381
3382 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
3383 switch (ie->host_cmd) {
3384 case DM_REMOVE_ALL:
3385 case DM_LIST_DEVICES:
3386 case DM_DEV_CREATE:
3387 case DM_DEV_REMOVE:
3388 case DM_DEV_SUSPEND:
3389 case DM_DEV_STATUS:
3390 case DM_DEV_WAIT:
3391 case DM_TABLE_STATUS:
3392 case DM_TABLE_CLEAR:
3393 case DM_TABLE_DEPS:
3394 case DM_LIST_VERSIONS:
3395 /* no input data */
3396 break;
3397 case DM_DEV_RENAME:
3398 case DM_DEV_SET_GEOMETRY:
3399 /* data contains only strings */
3400 memcpy(host_data, argptr, guest_data_size);
3401 break;
3402 case DM_TARGET_MSG:
3403 memcpy(host_data, argptr, guest_data_size);
3404 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
3405 break;
3406 case DM_TABLE_LOAD:
3407 {
3408 void *gspec = argptr;
3409 void *cur_data = host_data;
3410 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3411 int spec_size = thunk_type_size(arg_type, 0);
3412 int i;
3413
3414 for (i = 0; i < host_dm->target_count; i++) {
3415 struct dm_target_spec *spec = cur_data;
3416 uint32_t next;
3417 int slen;
3418
3419 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
3420 slen = strlen((char*)gspec + spec_size) + 1;
3421 next = spec->next;
3422 spec->next = sizeof(*spec) + slen;
3423 strcpy((char*)&spec[1], gspec + spec_size);
3424 gspec += next;
3425 cur_data += spec->next;
3426 }
3427 break;
3428 }
3429 default:
3430 ret = -TARGET_EINVAL;
3431 goto out;
3432 }
3433 unlock_user(argptr, guest_data, 0);
3434
3435 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3436 if (!is_error(ret)) {
3437 guest_data = arg + host_dm->data_start;
3438 guest_data_size = host_dm->data_size - host_dm->data_start;
3439 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
3440 switch (ie->host_cmd) {
3441 case DM_REMOVE_ALL:
3442 case DM_DEV_CREATE:
3443 case DM_DEV_REMOVE:
3444 case DM_DEV_RENAME:
3445 case DM_DEV_SUSPEND:
3446 case DM_DEV_STATUS:
3447 case DM_TABLE_LOAD:
3448 case DM_TABLE_CLEAR:
3449 case DM_TARGET_MSG:
3450 case DM_DEV_SET_GEOMETRY:
3451 /* no return data */
3452 break;
3453 case DM_LIST_DEVICES:
3454 {
3455 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
3456 uint32_t remaining_data = guest_data_size;
3457 void *cur_data = argptr;
3458 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
3459 int nl_size = 12; /* can't use thunk_size due to alignment */
3460
3461 while (1) {
3462 uint32_t next = nl->next;
3463 if (next) {
3464 nl->next = nl_size + (strlen(nl->name) + 1);
3465 }
3466 if (remaining_data < nl->next) {
3467 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3468 break;
3469 }
3470 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
3471 strcpy(cur_data + nl_size, nl->name);
3472 cur_data += nl->next;
3473 remaining_data -= nl->next;
3474 if (!next) {
3475 break;
3476 }
3477 nl = (void*)nl + next;
3478 }
3479 break;
3480 }
3481 case DM_DEV_WAIT:
3482 case DM_TABLE_STATUS:
3483 {
3484 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
3485 void *cur_data = argptr;
3486 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3487 int spec_size = thunk_type_size(arg_type, 0);
3488 int i;
3489
3490 for (i = 0; i < host_dm->target_count; i++) {
3491 uint32_t next = spec->next;
3492 int slen = strlen((char*)&spec[1]) + 1;
3493 spec->next = (cur_data - argptr) + spec_size + slen;
3494 if (guest_data_size < spec->next) {
3495 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3496 break;
3497 }
3498 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
3499 strcpy(cur_data + spec_size, (char*)&spec[1]);
3500 cur_data = argptr + spec->next;
3501 spec = (void*)host_dm + host_dm->data_start + next;
3502 }
3503 break;
3504 }
3505 case DM_TABLE_DEPS:
3506 {
3507 void *hdata = (void*)host_dm + host_dm->data_start;
3508 int count = *(uint32_t*)hdata;
3509 uint64_t *hdev = hdata + 8;
3510 uint64_t *gdev = argptr + 8;
3511 int i;
3512
3513 *(uint32_t*)argptr = tswap32(count);
3514 for (i = 0; i < count; i++) {
3515 *gdev = tswap64(*hdev);
3516 gdev++;
3517 hdev++;
3518 }
3519 break;
3520 }
3521 case DM_LIST_VERSIONS:
3522 {
3523 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
3524 uint32_t remaining_data = guest_data_size;
3525 void *cur_data = argptr;
3526 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
3527 int vers_size = thunk_type_size(arg_type, 0);
3528
3529 while (1) {
3530 uint32_t next = vers->next;
3531 if (next) {
3532 vers->next = vers_size + (strlen(vers->name) + 1);
3533 }
3534 if (remaining_data < vers->next) {
3535 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3536 break;
3537 }
3538 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
3539 strcpy(cur_data + vers_size, vers->name);
3540 cur_data += vers->next;
3541 remaining_data -= vers->next;
3542 if (!next) {
3543 break;
3544 }
3545 vers = (void*)vers + next;
3546 }
3547 break;
3548 }
3549 default:
3550 ret = -TARGET_EINVAL;
3551 goto out;
3552 }
3553 unlock_user(argptr, guest_data, guest_data_size);
3554
3555 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3556 if (!argptr) {
3557 ret = -TARGET_EFAULT;
3558 goto out;
3559 }
3560 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3561 unlock_user(argptr, arg, target_size);
3562 }
3563out:
ad11ad77 3564 g_free(big_buf);
56e904ec
AG		 3565 return ret;
3566}
3567
7ff7b666
LV		 3568static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
3569 int fd, abi_long cmd, abi_long arg)
3570{
3571 const argtype *arg_type = ie->arg_type;
3572 const StructEntry *se;
3573 const argtype *field_types;
3574 const int *dst_offsets, *src_offsets;
3575 int target_size;
3576 void *argptr;
3577 abi_ulong *target_rt_dev_ptr;
3578 unsigned long *host_rt_dev_ptr;
3579 abi_long ret;
3580 int i;
3581
3582 assert(ie->access == IOC_W);
3583 assert(*arg_type == TYPE_PTR);
3584 arg_type++;
3585 assert(*arg_type == TYPE_STRUCT);
3586 target_size = thunk_type_size(arg_type, 0);
3587 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3588 if (!argptr) {
3589 return -TARGET_EFAULT;
3590 }
3591 arg_type++;
3592 assert(*arg_type == (int)STRUCT_rtentry);
3593 se = struct_entries + *arg_type++;
3594 assert(se->convert[0] == NULL);
3595 /* convert struct here to be able to catch rt_dev string */
3596 field_types = se->field_types;
3597 dst_offsets = se->field_offsets[THUNK_HOST];
3598 src_offsets = se->field_offsets[THUNK_TARGET];
3599 for (i = 0; i < se->nb_fields; i++) {
3600 if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
3601 assert(*field_types == TYPE_PTRVOID);
3602 target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
3603 host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
3604 if (*target_rt_dev_ptr != 0) {
3605 *host_rt_dev_ptr = (unsigned long)lock_user_string(
3606 tswapal(*target_rt_dev_ptr));
3607 if (!*host_rt_dev_ptr) {
3608 unlock_user(argptr, arg, 0);
3609 return -TARGET_EFAULT;
3610 }
3611 } else {
3612 *host_rt_dev_ptr = 0;
3613 }
3614 field_types++;
3615 continue;
3616 }
3617 field_types = thunk_convert(buf_temp + dst_offsets[i],
3618 argptr + src_offsets[i],
3619 field_types, THUNK_HOST);
3620 }
3621 unlock_user(argptr, arg, 0);
3622
3623 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3624 if (*host_rt_dev_ptr != 0) {
3625 unlock_user((void *)*host_rt_dev_ptr,
3626 *target_rt_dev_ptr, 0);
3627 }
3628 return ret;
3629}
3630
9f106a75 3631static IOCTLEntry ioctl_entries[] = {
001faf32 3632#define IOCTL(cmd, access, ...) \
d2ef05bb
PM		 3633 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3634#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3635 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
31e31b8a
FB		 3636#include "ioctls.h"
3637 { 0, 0, },
3638};
3639
53a5960a 3640/* ??? Implement proper locking for ioctls. */
0da46a6e 3641/* do_ioctl() Must return target values and target errnos. */
992f48a0 3642static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 3643{
3644 const IOCTLEntry *ie;
3645 const argtype *arg_type;
992f48a0 3646 abi_long ret;
31e31b8a 3647 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 3648 int target_size;
3649 void *argptr;
31e31b8a
FB		 3650
3651 ie = ioctl_entries;
3652 for(;;) {
3653 if (ie->target_cmd == 0) {
32407103 3654 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 3655 return -TARGET_ENOSYS;
31e31b8a
FB		 3656 }
3657 if (ie->target_cmd == cmd)
3658 break;
3659 ie++;
3660 }
3661 arg_type = ie->arg_type;
9de5e440 3662#if defined(DEBUG)
32407103 3663 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 3664#endif
d2ef05bb
PM		 3665 if (ie->do_ioctl) {
3666 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3667 }
3668
31e31b8a
FB		 3669 switch(arg_type[0]) {
3670 case TYPE_NULL:
3671 /* no argument */
3672 ret = get_errno(ioctl(fd, ie->host_cmd));
3673 break;
3674 case TYPE_PTRVOID:
3675 case TYPE_INT:
3676 /* int argment */
3677 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3678 break;
3679 case TYPE_PTR:
3680 arg_type++;
53a5960a 3681 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 3682 switch(ie->access) {
3683 case IOC_R:
3684 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3685 if (!is_error(ret)) {
579a97f7
FB		 3686 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3687 if (!argptr)
3688 return -TARGET_EFAULT;
53a5960a
PB		 3689 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3690 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3691 }
3692 break;
3693 case IOC_W:
579a97f7
FB		 3694 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3695 if (!argptr)
3696 return -TARGET_EFAULT;
53a5960a
PB		 3697 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3698 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3699 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3700 break;
3701 default:
3702 case IOC_RW:
579a97f7
FB		 3703 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3704 if (!argptr)
3705 return -TARGET_EFAULT;
53a5960a
PB		 3706 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3707 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3708 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3709 if (!is_error(ret)) {
579a97f7
FB		 3710 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3711 if (!argptr)
3712 return -TARGET_EFAULT;
53a5960a
PB		 3713 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3714 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3715 }
3716 break;
3717 }
3718 break;
3719 default:
32407103
JM		 3720 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3721 (long)cmd, arg_type[0]);
0da46a6e 3722 ret = -TARGET_ENOSYS;
31e31b8a
FB		 3723 break;
3724 }
3725 return ret;
3726}
3727
b39bc503 3728static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 3729 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3730 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3731 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3732 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3733 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3734 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3735 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3736 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3737 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3738 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3739 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3740 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3741 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3742 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3743 { 0, 0, 0, 0 }
3744};
3745
b39bc503 3746static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3747 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3748 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3749 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3750 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3751 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3752 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3753 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3754 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3755 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3756 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3757 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3758 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3759 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3760 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3761 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3762 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3763 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3764 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3765 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3766 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3767 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3768 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3769 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3770 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3771 { 0, 0, 0, 0 }
3772};
3773
b39bc503 3774static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3775 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3776 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3777 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3778 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3779 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3780 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3781 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3782 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3783 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3784 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3785 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3786 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3787 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3788 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3789 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3790 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3791 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3792 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3793 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3794 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3795 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3796 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3797 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3798 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3799 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3800 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3801 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3802 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3803 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3804 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3805 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3806 { 0, 0, 0, 0 }
3807};
3808
b39bc503 3809static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3810 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3811 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3812 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3813 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3814 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3815 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3816 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3817 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3818 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3819 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3820 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3821 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3822 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3823 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3824 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3825 { 0, 0, 0, 0 }
3826};
3827
3828static void target_to_host_termios (void *dst, const void *src)
3829{
3830 struct host_termios *host = dst;
3831 const struct target_termios *target = src;
3b46e624 3832
5fafdf24 3833 host->c_iflag =
31e31b8a 3834 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3835 host->c_oflag =
31e31b8a 3836 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3837 host->c_cflag =
31e31b8a 3838 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3839 host->c_lflag =
31e31b8a
FB		 3840 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3841 host->c_line = target->c_line;
3b46e624 3842
44607123 3843 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3844 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3845 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3846 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3847 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3848 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3849 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3850 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3851 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3852 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3853 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3854 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3855 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3856 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3857 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3858 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3859 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3860 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3861}
3b46e624 3862
31e31b8a
FB		 3863static void host_to_target_termios (void *dst, const void *src)
3864{
3865 struct target_termios *target = dst;
3866 const struct host_termios *host = src;
3867
5fafdf24 3868 target->c_iflag =
31e31b8a 3869 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3870 target->c_oflag =
31e31b8a 3871 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3872 target->c_cflag =
31e31b8a 3873 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3874 target->c_lflag =
31e31b8a
FB		 3875 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3876 target->c_line = host->c_line;
3b46e624 3877
44607123 3878 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3879 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3880 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3881 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3882 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3883 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3884 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3885 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3886 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3887 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3888 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3889 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3890 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3891 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3892 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3893 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3894 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3895 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3896}
3897
8e853dc7 3898static const StructEntry struct_termios_def = {
31e31b8a
FB		 3899 .convert = { host_to_target_termios, target_to_host_termios },
3900 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3901 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3902};
3903
5286db75
FB		 3904static bitmask_transtbl mmap_flags_tbl[] = {
3905 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3906 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3907 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3908 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3909 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3910 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3911 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3912 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3913 { 0, 0, 0, 0 }
3914};
3915
2ab83ea7 3916#if defined(TARGET_I386)
6dbad63e
FB		 3917
3918/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3919static uint8_t *ldt_table;
6dbad63e 3920
03acab66 3921static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3922{
3923 int size;
53a5960a 3924 void *p;
6dbad63e
FB		 3925
3926 if (!ldt_table)
3927 return 0;
3928 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3929 if (size > bytecount)
3930 size = bytecount;
579a97f7
FB		 3931 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3932 if (!p)
03acab66 3933 return -TARGET_EFAULT;
579a97f7 3934 /* ??? Should this by byteswapped? */
53a5960a
PB		 3935 memcpy(p, ldt_table, size);
3936 unlock_user(p, ptr, size);
6dbad63e
FB		 3937 return size;
3938}
3939
3940/* XXX: add locking support */
03acab66
FB		 3941static abi_long write_ldt(CPUX86State *env,
3942 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3943{
3944 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3945 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3946 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3947 int seg_not_present, useable, lm;
6dbad63e
FB		 3948 uint32_t *lp, entry_1, entry_2;
3949
3950 if (bytecount != sizeof(ldt_info))
03acab66 3951 return -TARGET_EINVAL;
579a97f7 3952 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3953 return -TARGET_EFAULT;
53a5960a 3954 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 3955 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
53a5960a
PB		 3956 ldt_info.limit = tswap32(target_ldt_info->limit);
3957 ldt_info.flags = tswap32(target_ldt_info->flags);
3958 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3959
6dbad63e 3960 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3961 return -TARGET_EINVAL;
6dbad63e
FB		 3962 seg_32bit = ldt_info.flags & 1;
3963 contents = (ldt_info.flags >> 1) & 3;
3964 read_exec_only = (ldt_info.flags >> 3) & 1;
3965 limit_in_pages = (ldt_info.flags >> 4) & 1;
3966 seg_not_present = (ldt_info.flags >> 5) & 1;
3967 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3968#ifdef TARGET_ABI32
3969 lm = 0;
3970#else
3971 lm = (ldt_info.flags >> 7) & 1;
3972#endif
6dbad63e
FB		 3973 if (contents == 3) {
3974 if (oldmode)
03acab66 3975 return -TARGET_EINVAL;
6dbad63e 3976 if (seg_not_present == 0)
03acab66 3977 return -TARGET_EINVAL;
6dbad63e
FB		 3978 }
3979 /* allocate the LDT */
3980 if (!ldt_table) {
e441570f
AZ		 3981 env->ldt.base = target_mmap(0,
3982 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3983 PROT_READ|PROT_WRITE,
3984 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3985 if (env->ldt.base == -1)
03acab66 3986 return -TARGET_ENOMEM;
e441570f
AZ		 3987 memset(g2h(env->ldt.base), 0,
3988 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3989 env->ldt.limit = 0xffff;
e441570f 3990 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3991 }
3992
3993 /* NOTE: same code as Linux kernel */
3994 /* Allow LDTs to be cleared by the user. */
3995 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3996 if (oldmode ||
3997 (contents == 0 &&
3998 read_exec_only == 1 &&
3999 seg_32bit == 0 &&
4000 limit_in_pages == 0 &&
4001 seg_not_present == 1 &&
4002 useable == 0 )) {
4003 entry_1 = 0;
4004 entry_2 = 0;
4005 goto install;
4006 }
4007 }
3b46e624 4008
6dbad63e
FB		 4009 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4010 (ldt_info.limit & 0x0ffff);
4011 entry_2 = (ldt_info.base_addr & 0xff000000) |
4012 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4013 (ldt_info.limit & 0xf0000) |
4014 ((read_exec_only ^ 1) << 9) |
4015 (contents << 10) |
4016 ((seg_not_present ^ 1) << 15) |
4017 (seg_32bit << 22) |
4018 (limit_in_pages << 23) |
8d18e893 4019 (lm << 21) |
6dbad63e
FB		 4020 0x7000;
4021 if (!oldmode)
4022 entry_2 |= (useable << 20);
14ae3ba7 4023
6dbad63e
FB		 4024 /* Install the new entry ... */
4025install:
4026 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
4027 lp[0] = tswap32(entry_1);
4028 lp[1] = tswap32(entry_2);
4029 return 0;
4030}
4031
4032/* specific and weird i386 syscalls */
8fcd3692
BS		 4033static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
4034 unsigned long bytecount)
6dbad63e 4035{
03acab66 4036 abi_long ret;
3b46e624 4037
6dbad63e
FB		 4038 switch (func) {
4039 case 0:
4040 ret = read_ldt(ptr, bytecount);
4041 break;
4042 case 1:
4043 ret = write_ldt(env, ptr, bytecount, 1);
4044 break;
4045 case 0x11:
4046 ret = write_ldt(env, ptr, bytecount, 0);
4047 break;
03acab66
FB		 4048 default:
4049 ret = -TARGET_ENOSYS;
4050 break;
6dbad63e
FB		 4051 }
4052 return ret;
4053}
1b6b029e 4054
4583f589 4055#if defined(TARGET_I386) && defined(TARGET_ABI32)
bc22eb44 4056abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4057{
4058 uint64_t *gdt_table = g2h(env->gdt.base);
4059 struct target_modify_ldt_ldt_s ldt_info;
4060 struct target_modify_ldt_ldt_s *target_ldt_info;
4061 int seg_32bit, contents, read_exec_only, limit_in_pages;
4062 int seg_not_present, useable, lm;
4063 uint32_t *lp, entry_1, entry_2;
4064 int i;
4065
4066 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4067 if (!target_ldt_info)
4068 return -TARGET_EFAULT;
4069 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4070 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
8d18e893
FB		 4071 ldt_info.limit = tswap32(target_ldt_info->limit);
4072 ldt_info.flags = tswap32(target_ldt_info->flags);
4073 if (ldt_info.entry_number == -1) {
4074 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
4075 if (gdt_table[i] == 0) {
4076 ldt_info.entry_number = i;
4077 target_ldt_info->entry_number = tswap32(i);
4078 break;
4079 }
4080 }
4081 }
4082 unlock_user_struct(target_ldt_info, ptr, 1);
4083
4084 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
4085 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
4086 return -TARGET_EINVAL;
4087 seg_32bit = ldt_info.flags & 1;
4088 contents = (ldt_info.flags >> 1) & 3;
4089 read_exec_only = (ldt_info.flags >> 3) & 1;
4090 limit_in_pages = (ldt_info.flags >> 4) & 1;
4091 seg_not_present = (ldt_info.flags >> 5) & 1;
4092 useable = (ldt_info.flags >> 6) & 1;
4093#ifdef TARGET_ABI32
4094 lm = 0;
4095#else
4096 lm = (ldt_info.flags >> 7) & 1;
4097#endif
4098
4099 if (contents == 3) {
4100 if (seg_not_present == 0)
4101 return -TARGET_EINVAL;
4102 }
4103
4104 /* NOTE: same code as Linux kernel */
4105 /* Allow LDTs to be cleared by the user. */
4106 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4107 if ((contents == 0 &&
4108 read_exec_only == 1 &&
4109 seg_32bit == 0 &&
4110 limit_in_pages == 0 &&
4111 seg_not_present == 1 &&
4112 useable == 0 )) {
4113 entry_1 = 0;
4114 entry_2 = 0;
4115 goto install;
4116 }
4117 }
4118
4119 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4120 (ldt_info.limit & 0x0ffff);
4121 entry_2 = (ldt_info.base_addr & 0xff000000) |
4122 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4123 (ldt_info.limit & 0xf0000) |
4124 ((read_exec_only ^ 1) << 9) |
4125 (contents << 10) |
4126 ((seg_not_present ^ 1) << 15) |
4127 (seg_32bit << 22) |
4128 (limit_in_pages << 23) |
4129 (useable << 20) |
4130 (lm << 21) |
4131 0x7000;
4132
4133 /* Install the new entry ... */
4134install:
4135 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
4136 lp[0] = tswap32(entry_1);
4137 lp[1] = tswap32(entry_2);
4138 return 0;
4139}
4140
8fcd3692 4141static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4142{
4143 struct target_modify_ldt_ldt_s *target_ldt_info;
4144 uint64_t *gdt_table = g2h(env->gdt.base);
4145 uint32_t base_addr, limit, flags;
4146 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
4147 int seg_not_present, useable, lm;
4148 uint32_t *lp, entry_1, entry_2;
4149
4150 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4151 if (!target_ldt_info)
4152 return -TARGET_EFAULT;
4153 idx = tswap32(target_ldt_info->entry_number);
4154 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
4155 idx > TARGET_GDT_ENTRY_TLS_MAX) {
4156 unlock_user_struct(target_ldt_info, ptr, 1);
4157 return -TARGET_EINVAL;
4158 }
4159 lp = (uint32_t *)(gdt_table + idx);
4160 entry_1 = tswap32(lp[0]);
4161 entry_2 = tswap32(lp[1]);
4162
4163 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
4164 contents = (entry_2 >> 10) & 3;
4165 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
4166 seg_32bit = (entry_2 >> 22) & 1;
4167 limit_in_pages = (entry_2 >> 23) & 1;
4168 useable = (entry_2 >> 20) & 1;
4169#ifdef TARGET_ABI32
4170 lm = 0;
4171#else
4172 lm = (entry_2 >> 21) & 1;
4173#endif
4174 flags = (seg_32bit << 0) | (contents << 1) |
4175 (read_exec_only << 3) | (limit_in_pages << 4) |
4176 (seg_not_present << 5) | (useable << 6) | (lm << 7);
4177 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
4178 base_addr = (entry_1 >> 16) |
4179 (entry_2 & 0xff000000) |
4180 ((entry_2 & 0xff) << 16);
cbb21eed 4181 target_ldt_info->base_addr = tswapal(base_addr);
8d18e893
FB		 4182 target_ldt_info->limit = tswap32(limit);
4183 target_ldt_info->flags = tswap32(flags);
4184 unlock_user_struct(target_ldt_info, ptr, 1);
4185 return 0;
4186}
4583f589 4187#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 4188
d2fd1af7 4189#ifndef TARGET_ABI32
2667e71c 4190abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7 4191{
1add8698 4192 abi_long ret = 0;
d2fd1af7
FB		 4193 abi_ulong val;
4194 int idx;
1add8698 4195
d2fd1af7
FB		 4196 switch(code) {
4197 case TARGET_ARCH_SET_GS:
4198 case TARGET_ARCH_SET_FS:
4199 if (code == TARGET_ARCH_SET_GS)
4200 idx = R_GS;
4201 else
4202 idx = R_FS;
4203 cpu_x86_load_seg(env, idx, 0);
4204 env->segs[idx].base = addr;
4205 break;
4206 case TARGET_ARCH_GET_GS:
4207 case TARGET_ARCH_GET_FS:
4208 if (code == TARGET_ARCH_GET_GS)
4209 idx = R_GS;
4210 else
4211 idx = R_FS;
4212 val = env->segs[idx].base;
4213 if (put_user(val, addr, abi_ulong))
1add8698 4214 ret = -TARGET_EFAULT;
d2fd1af7
FB		 4215 break;
4216 default:
4217 ret = -TARGET_EINVAL;
4218 break;
4219 }
1add8698 4220 return ret;
d2fd1af7
FB		 4221}
4222#endif
4223
2ab83ea7
FB		 4224#endif /* defined(TARGET_I386) */
4225
05098a93 4226#define NEW_STACK_SIZE 0x40000
d865bab5 4227
d865bab5
PB		 4228
4229static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
4230typedef struct {
9349b4f9 4231 CPUArchState *env;
d865bab5
PB		 4232 pthread_mutex_t mutex;
4233 pthread_cond_t cond;
4234 pthread_t thread;
4235 uint32_t tid;
4236 abi_ulong child_tidptr;
4237 abi_ulong parent_tidptr;
4238 sigset_t sigmask;
4239} new_thread_info;
4240
4241static void *clone_func(void *arg)
4242{
4243 new_thread_info *info = arg;
9349b4f9 4244 CPUArchState *env;
0d34282f 4245 CPUState *cpu;
edf8e2af 4246 TaskState *ts;
d865bab5
PB		 4247
4248 env = info->env;
0d34282f 4249 cpu = ENV_GET_CPU(env);
a2247f8e 4250 thread_cpu = cpu;
0429a971 4251 ts = (TaskState *)cpu->opaque;
d865bab5 4252 info->tid = gettid();
0d34282f 4253 cpu->host_tid = info->tid;
edf8e2af 4254 task_settid(ts);
d865bab5
PB		 4255 if (info->child_tidptr)
4256 put_user_u32(info->tid, info->child_tidptr);
4257 if (info->parent_tidptr)
4258 put_user_u32(info->tid, info->parent_tidptr);
4259 /* Enable signals. */
4260 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
4261 /* Signal to the parent that we're ready. */
4262 pthread_mutex_lock(&info->mutex);
4263 pthread_cond_broadcast(&info->cond);
4264 pthread_mutex_unlock(&info->mutex);
4265 /* Wait until the parent has finshed initializing the tls state. */
4266 pthread_mutex_lock(&clone_lock);
4267 pthread_mutex_unlock(&clone_lock);
4268 cpu_loop(env);
4269 /* never exits */
4270 return NULL;
4271}
1b6b029e 4272
0da46a6e
TS		 4273/* do_fork() Must return host values and target errnos (unlike most
4274 do_*() functions). */
9349b4f9 4275static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
d865bab5
PB		 4276 abi_ulong parent_tidptr, target_ulong newtls,
4277 abi_ulong child_tidptr)
1b6b029e 4278{
0429a971 4279 CPUState *cpu = ENV_GET_CPU(env);
1b6b029e 4280 int ret;
5cd4393b 4281 TaskState *ts;
0429a971 4282 CPUState *new_cpu;
9349b4f9 4283 CPUArchState *new_env;
d865bab5
PB		 4284 unsigned int nptl_flags;
4285 sigset_t sigmask;
3b46e624 4286
436d124b
AZ		 4287 /* Emulate vfork() with fork() */
4288 if (flags & CLONE_VFORK)
4289 flags &= ~(CLONE_VFORK | CLONE_VM);
4290
1b6b029e 4291 if (flags & CLONE_VM) {
0429a971 4292 TaskState *parent_ts = (TaskState *)cpu->opaque;
d865bab5
PB		 4293 new_thread_info info;
4294 pthread_attr_t attr;
24cb36a6 4295
7267c094 4296 ts = g_malloc0(sizeof(TaskState));
624f7979 4297 init_task_state(ts);
1b6b029e 4298 /* we create a new CPU instance. */
c5be9f08 4299 new_env = cpu_copy(env);
6e68e076
PB		 4300 /* Init regs that differ from the parent. */
4301 cpu_clone_regs(new_env, newsp);
0429a971
AF		 4302 new_cpu = ENV_GET_CPU(new_env);
4303 new_cpu->opaque = ts;
edf8e2af
MW		 4304 ts->bprm = parent_ts->bprm;
4305 ts->info = parent_ts->info;
d865bab5
PB		 4306 nptl_flags = flags;
4307 flags &= ~CLONE_NPTL_FLAGS2;
4308
c2764719
PB		 4309 if (nptl_flags & CLONE_CHILD_CLEARTID) {
4310 ts->child_tidptr = child_tidptr;
4311 }
4312
d865bab5
PB		 4313 if (nptl_flags & CLONE_SETTLS)
4314 cpu_set_tls (new_env, newtls);
4315
4316 /* Grab a mutex so that thread setup appears atomic. */
4317 pthread_mutex_lock(&clone_lock);
4318
4319 memset(&info, 0, sizeof(info));
4320 pthread_mutex_init(&info.mutex, NULL);
4321 pthread_mutex_lock(&info.mutex);
4322 pthread_cond_init(&info.cond, NULL);
4323 info.env = new_env;
4324 if (nptl_flags & CLONE_CHILD_SETTID)
4325 info.child_tidptr = child_tidptr;
4326 if (nptl_flags & CLONE_PARENT_SETTID)
4327 info.parent_tidptr = parent_tidptr;
4328
4329 ret = pthread_attr_init(&attr);
48e15fc2
NF		 4330 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
4331 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
d865bab5
PB		 4332 /* It is not safe to deliver signals until the child has finished
4333 initializing, so temporarily block all signals. */
4334 sigfillset(&sigmask);
4335 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
4336
4337 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 4338 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 4339
4340 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
4341 pthread_attr_destroy(&attr);
4342 if (ret == 0) {
4343 /* Wait for the child to initialize. */
4344 pthread_cond_wait(&info.cond, &info.mutex);
4345 ret = info.tid;
4346 if (flags & CLONE_PARENT_SETTID)
4347 put_user_u32(ret, parent_tidptr);
4348 } else {
4349 ret = -1;
4350 }
4351 pthread_mutex_unlock(&info.mutex);
4352 pthread_cond_destroy(&info.cond);
4353 pthread_mutex_destroy(&info.mutex);
4354 pthread_mutex_unlock(&clone_lock);
1b6b029e
FB		 4355 } else {
4356 /* if no CLONE_VM, we consider it is a fork */
d865bab5 4357 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 4358 return -EINVAL;
d865bab5 4359 fork_start();
1b6b029e 4360 ret = fork();
d865bab5 4361 if (ret == 0) {
2b1319c8 4362 /* Child Process. */
d865bab5
PB		 4363 cpu_clone_regs(env, newsp);
4364 fork_end(1);
2b1319c8
AJ		 4365 /* There is a race condition here. The parent process could
4366 theoretically read the TID in the child process before the child
4367 tid is set. This would require using either ptrace
4368 (not implemented) or having *_tidptr to point at a shared memory
4369 mapping. We can't repeat the spinlock hack used above because
4370 the child process gets its own copy of the lock. */
d865bab5
PB		 4371 if (flags & CLONE_CHILD_SETTID)
4372 put_user_u32(gettid(), child_tidptr);
4373 if (flags & CLONE_PARENT_SETTID)
4374 put_user_u32(gettid(), parent_tidptr);
0429a971 4375 ts = (TaskState *)cpu->opaque;
d865bab5
PB		 4376 if (flags & CLONE_SETTLS)
4377 cpu_set_tls (env, newtls);
c2764719
PB		 4378 if (flags & CLONE_CHILD_CLEARTID)
4379 ts->child_tidptr = child_tidptr;
d865bab5
PB		 4380 } else {
4381 fork_end(0);
4382 }
1b6b029e
FB		 4383 }
4384 return ret;
4385}
4386
5f106811
APR		 4387/* warning : doesn't handle linux specific flags... */
4388static int target_to_host_fcntl_cmd(int cmd)
4389{
4390 switch(cmd) {
4391 case TARGET_F_DUPFD:
4392 case TARGET_F_GETFD:
4393 case TARGET_F_SETFD:
4394 case TARGET_F_GETFL:
4395 case TARGET_F_SETFL:
4396 return cmd;
4397 case TARGET_F_GETLK:
4398 return F_GETLK;
4399 case TARGET_F_SETLK:
4400 return F_SETLK;
4401 case TARGET_F_SETLKW:
4402 return F_SETLKW;
4403 case TARGET_F_GETOWN:
4404 return F_GETOWN;
4405 case TARGET_F_SETOWN:
4406 return F_SETOWN;
4407 case TARGET_F_GETSIG:
4408 return F_GETSIG;
4409 case TARGET_F_SETSIG:
4410 return F_SETSIG;
4411#if TARGET_ABI_BITS == 32
4412 case TARGET_F_GETLK64:
4413 return F_GETLK64;
4414 case TARGET_F_SETLK64:
4415 return F_SETLK64;
4416 case TARGET_F_SETLKW64:
4417 return F_SETLKW64;
4418#endif
7e22e546
UH		 4419 case TARGET_F_SETLEASE:
4420 return F_SETLEASE;
4421 case TARGET_F_GETLEASE:
4422 return F_GETLEASE;
fbd5de9b 4423#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 4424 case TARGET_F_DUPFD_CLOEXEC:
4425 return F_DUPFD_CLOEXEC;
fbd5de9b 4426#endif
7e22e546
UH		 4427 case TARGET_F_NOTIFY:
4428 return F_NOTIFY;
8d5d3004
AS		 4429#ifdef F_GETOWN_EX
4430 case TARGET_F_GETOWN_EX:
4431 return F_GETOWN_EX;
4432#endif
4433#ifdef F_SETOWN_EX
4434 case TARGET_F_SETOWN_EX:
4435 return F_SETOWN_EX;
4436#endif
5f106811
APR		 4437 default:
4438 return -TARGET_EINVAL;
4439 }
4440 return -TARGET_EINVAL;
4441}
4442
2ba7f730
LV		 4443#define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
4444static const bitmask_transtbl flock_tbl[] = {
4445 TRANSTBL_CONVERT(F_RDLCK),
4446 TRANSTBL_CONVERT(F_WRLCK),
4447 TRANSTBL_CONVERT(F_UNLCK),
4448 TRANSTBL_CONVERT(F_EXLCK),
4449 TRANSTBL_CONVERT(F_SHLCK),
4450 { 0, 0, 0, 0 }
4451};
4452
992f48a0 4453static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 4454{
4455 struct flock fl;
53a5960a 4456 struct target_flock *target_fl;
43f238d7
TS		 4457 struct flock64 fl64;
4458 struct target_flock64 *target_fl64;
8d5d3004
AS		 4459#ifdef F_GETOWN_EX
4460 struct f_owner_ex fox;
4461 struct target_f_owner_ex *target_fox;
4462#endif
992f48a0 4463 abi_long ret;
5f106811
APR		 4464 int host_cmd = target_to_host_fcntl_cmd(cmd);
4465
4466 if (host_cmd == -TARGET_EINVAL)
4467 return host_cmd;
53a5960a 4468
7775e9ec
FB		 4469 switch(cmd) {
4470 case TARGET_F_GETLK:
579a97f7
FB		 4471 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4472 return -TARGET_EFAULT;
2ba7f730
LV		 4473 fl.l_type =
4474 target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
5813427b 4475 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4476 fl.l_start = tswapal(target_fl->l_start);
4477 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4478 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 4479 unlock_user_struct(target_fl, arg, 0);
5f106811 4480 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4481 if (ret == 0) {
579a97f7
FB		 4482 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
4483 return -TARGET_EFAULT;
2ba7f730
LV		 4484 target_fl->l_type =
4485 host_to_target_bitmask(tswap16(fl.l_type), flock_tbl);
7775e9ec 4486 target_fl->l_whence = tswap16(fl.l_whence);
cbb21eed
MB		 4487 target_fl->l_start = tswapal(fl.l_start);
4488 target_fl->l_len = tswapal(fl.l_len);
7e22e546 4489 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 4490 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 4491 }
4492 break;
3b46e624 4493
7775e9ec
FB		 4494 case TARGET_F_SETLK:
4495 case TARGET_F_SETLKW:
579a97f7
FB		 4496 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4497 return -TARGET_EFAULT;
2ba7f730
LV		 4498 fl.l_type =
4499 target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
7775e9ec 4500 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4501 fl.l_start = tswapal(target_fl->l_start);
4502 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4503 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 4504 unlock_user_struct(target_fl, arg, 0);
5f106811 4505 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4506 break;
3b46e624 4507
7775e9ec 4508 case TARGET_F_GETLK64:
579a97f7
FB		 4509 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4510 return -TARGET_EFAULT;
2ba7f730
LV		 4511 fl64.l_type =
4512 target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
5813427b 4513 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4514 fl64.l_start = tswap64(target_fl64->l_start);
4515 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4516 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 4517 unlock_user_struct(target_fl64, arg, 0);
5f106811 4518 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 4519 if (ret == 0) {
579a97f7
FB		 4520 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
4521 return -TARGET_EFAULT;
2ba7f730
LV		 4522 target_fl64->l_type =
4523 host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1;
43f238d7 4524 target_fl64->l_whence = tswap16(fl64.l_whence);
cbb21eed
MB		 4525 target_fl64->l_start = tswap64(fl64.l_start);
4526 target_fl64->l_len = tswap64(fl64.l_len);
7e22e546 4527 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 4528 unlock_user_struct(target_fl64, arg, 1);
4529 }
9ee1fa2c 4530 break;
7775e9ec
FB		 4531 case TARGET_F_SETLK64:
4532 case TARGET_F_SETLKW64:
579a97f7
FB		 4533 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4534 return -TARGET_EFAULT;
2ba7f730
LV		 4535 fl64.l_type =
4536 target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
43f238d7 4537 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4538 fl64.l_start = tswap64(target_fl64->l_start);
4539 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4540 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 4541 unlock_user_struct(target_fl64, arg, 0);
5f106811 4542 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 4543 break;
4544
5f106811
APR		 4545 case TARGET_F_GETFL:
4546 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 4547 if (ret >= 0) {
4548 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4549 }
ffa65c3b
FB		 4550 break;
4551
5f106811
APR		 4552 case TARGET_F_SETFL:
4553 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4554 break;
4555
8d5d3004
AS		 4556#ifdef F_GETOWN_EX
4557 case TARGET_F_GETOWN_EX:
4558 ret = get_errno(fcntl(fd, host_cmd, &fox));
4559 if (ret >= 0) {
4560 if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0))
4561 return -TARGET_EFAULT;
4562 target_fox->type = tswap32(fox.type);
4563 target_fox->pid = tswap32(fox.pid);
4564 unlock_user_struct(target_fox, arg, 1);
4565 }
4566 break;
4567#endif
4568
4569#ifdef F_SETOWN_EX
4570 case TARGET_F_SETOWN_EX:
4571 if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1))
4572 return -TARGET_EFAULT;
4573 fox.type = tswap32(target_fox->type);
4574 fox.pid = tswap32(target_fox->pid);
4575 unlock_user_struct(target_fox, arg, 0);
4576 ret = get_errno(fcntl(fd, host_cmd, &fox));
4577 break;
4578#endif
4579
5f106811
APR		 4580 case TARGET_F_SETOWN:
4581 case TARGET_F_GETOWN:
4582 case TARGET_F_SETSIG:
4583 case TARGET_F_GETSIG:
7e22e546
UH		 4584 case TARGET_F_SETLEASE:
4585 case TARGET_F_GETLEASE:
5f106811 4586 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 4587 break;
4588
7775e9ec 4589 default:
9ee1fa2c 4590 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 4591 break;
4592 }
4593 return ret;
4594}
4595
67867308 4596#ifdef USE_UID16
7775e9ec 4597
67867308
FB		 4598static inline int high2lowuid(int uid)
4599{
4600 if (uid > 65535)
4601 return 65534;
4602 else
4603 return uid;
4604}
4605
4606static inline int high2lowgid(int gid)
4607{
4608 if (gid > 65535)
4609 return 65534;
4610 else
4611 return gid;
4612}
4613
4614static inline int low2highuid(int uid)
4615{
4616 if ((int16_t)uid == -1)
4617 return -1;
4618 else
4619 return uid;
4620}
4621
4622static inline int low2highgid(int gid)
4623{
4624 if ((int16_t)gid == -1)
4625 return -1;
4626 else
4627 return gid;
4628}
0c866a7e
RV		 4629static inline int tswapid(int id)
4630{
4631 return tswap16(id);
4632}
76ca310a
PM		 4633
4634#define put_user_id(x, gaddr) put_user_u16(x, gaddr)
4635
0c866a7e
RV		 4636#else /* !USE_UID16 */
4637static inline int high2lowuid(int uid)
4638{
4639 return uid;
4640}
4641static inline int high2lowgid(int gid)
4642{
4643 return gid;
4644}
4645static inline int low2highuid(int uid)
4646{
4647 return uid;
4648}
4649static inline int low2highgid(int gid)
4650{
4651 return gid;
4652}
4653static inline int tswapid(int id)
4654{
4655 return tswap32(id);
4656}
76ca310a
PM		 4657
4658#define put_user_id(x, gaddr) put_user_u32(x, gaddr)
4659
67867308 4660#endif /* USE_UID16 */
1b6b029e 4661
31e31b8a
FB		 4662void syscall_init(void)
4663{
2ab83ea7
FB		 4664 IOCTLEntry *ie;
4665 const argtype *arg_type;
4666 int size;
b92c47c1 4667 int i;
2ab83ea7 4668
001faf32 4669#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 4670#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 4671#include "syscall_types.h"
4672#undef STRUCT
4673#undef STRUCT_SPECIAL
2ab83ea7 4674
dd6e957a
PM		 4675 /* Build target_to_host_errno_table[] table from
4676 * host_to_target_errno_table[]. */
4677 for (i = 0; i < ERRNO_TABLE_SIZE; i++) {
4678 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4679 }
4680
2ab83ea7
FB		 4681 /* we patch the ioctl size if necessary. We rely on the fact that
4682 no ioctl has all the bits at '1' in the size field */
4683 ie = ioctl_entries;
4684 while (ie->target_cmd != 0) {
4685 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4686 TARGET_IOC_SIZEMASK) {
4687 arg_type = ie->arg_type;
4688 if (arg_type[0] != TYPE_PTR) {
5fafdf24 4689 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 4690 ie->target_cmd);
4691 exit(1);
4692 }
4693 arg_type++;
4694 size = thunk_type_size(arg_type, 0);
5fafdf24 4695 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 4696 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4697 (size << TARGET_IOC_SIZESHIFT);
4698 }
b92c47c1 4699
2ab83ea7 4700 /* automatic consistency check if same arch */
872ea0c0
AZ		 4701#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4702 (defined(__x86_64__) && defined(TARGET_X86_64))
4703 if (unlikely(ie->target_cmd != ie->host_cmd)) {
4704 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4705 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 4706 }
4707#endif
4708 ie++;
4709 }
31e31b8a 4710}
c573ff67 4711
992f48a0 4712#if TARGET_ABI_BITS == 32
ce4defa0
PB		 4713static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4714{
af325d36 4715#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 4716 return ((uint64_t)word0 << 32) | word1;
4717#else
4718 return ((uint64_t)word1 << 32) | word0;
4719#endif
4720}
992f48a0 4721#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 4722static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4723{
4724 return word0;
4725}
992f48a0 4726#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 4727
4728#ifdef TARGET_NR_truncate64
992f48a0
BS		 4729static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4730 abi_long arg2,
4731 abi_long arg3,
4732 abi_long arg4)
ce4defa0 4733{
48e515d4 4734 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4735 arg2 = arg3;
4736 arg3 = arg4;
48e515d4 4737 }
ce4defa0
PB		 4738 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4739}
4740#endif
4741
4742#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 4743static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4744 abi_long arg2,
4745 abi_long arg3,
4746 abi_long arg4)
ce4defa0 4747{
48e515d4 4748 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4749 arg2 = arg3;
4750 arg3 = arg4;
48e515d4 4751 }
ce4defa0
PB		 4752 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4753}
4754#endif
4755
579a97f7
FB		 4756static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4757 abi_ulong target_addr)
53a5960a
PB		 4758{
4759 struct target_timespec *target_ts;
4760
579a97f7
FB		 4761 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4762 return -TARGET_EFAULT;
cbb21eed
MB		 4763 host_ts->tv_sec = tswapal(target_ts->tv_sec);
4764 host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
53a5960a 4765 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 4766 return 0;
53a5960a
PB		 4767}
4768
579a97f7
FB		 4769static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4770 struct timespec *host_ts)
53a5960a
PB		 4771{
4772 struct target_timespec *target_ts;
4773
579a97f7
FB		 4774 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4775 return -TARGET_EFAULT;
cbb21eed
MB		 4776 target_ts->tv_sec = tswapal(host_ts->tv_sec);
4777 target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
53a5960a 4778 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 4779 return 0;
53a5960a
PB		 4780}
4781
f4f1e10a
ECL		 4782static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec,
4783 abi_ulong target_addr)
4784{
4785 struct target_itimerspec *target_itspec;
4786
4787 if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) {
4788 return -TARGET_EFAULT;
4789 }
4790
4791 host_itspec->it_interval.tv_sec =
4792 tswapal(target_itspec->it_interval.tv_sec);
4793 host_itspec->it_interval.tv_nsec =
4794 tswapal(target_itspec->it_interval.tv_nsec);
4795 host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec);
4796 host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec);
4797
4798 unlock_user_struct(target_itspec, target_addr, 1);
4799 return 0;
4800}
4801
4802static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
4803 struct itimerspec *host_its)
4804{
4805 struct target_itimerspec *target_itspec;
4806
4807 if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) {
4808 return -TARGET_EFAULT;
4809 }
4810
4811 target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec);
4812 target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec);
4813
4814 target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec);
4815 target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec);
4816
4817 unlock_user_struct(target_itspec, target_addr, 0);
4818 return 0;
4819}
4820
9d33b76b 4821#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 4822static inline abi_long host_to_target_stat64(void *cpu_env,
4823 abi_ulong target_addr,
4824 struct stat *host_st)
4825{
09701199 4826#if defined(TARGET_ARM) && defined(TARGET_ABI32)
6a24a778
AZ		 4827 if (((CPUARMState *)cpu_env)->eabi) {
4828 struct target_eabi_stat64 *target_st;
4829
4830 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4831 return -TARGET_EFAULT;
4832 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4833 __put_user(host_st->st_dev, &target_st->st_dev);
4834 __put_user(host_st->st_ino, &target_st->st_ino);
4835#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4836 __put_user(host_st->st_ino, &target_st->__st_ino);
4837#endif
4838 __put_user(host_st->st_mode, &target_st->st_mode);
4839 __put_user(host_st->st_nlink, &target_st->st_nlink);
4840 __put_user(host_st->st_uid, &target_st->st_uid);
4841 __put_user(host_st->st_gid, &target_st->st_gid);
4842 __put_user(host_st->st_rdev, &target_st->st_rdev);
4843 __put_user(host_st->st_size, &target_st->st_size);
4844 __put_user(host_st->st_blksize, &target_st->st_blksize);
4845 __put_user(host_st->st_blocks, &target_st->st_blocks);
4846 __put_user(host_st->st_atime, &target_st->target_st_atime);
4847 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4848 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4849 unlock_user_struct(target_st, target_addr, 1);
4850 } else
4851#endif
4852 {
20d155bc 4853#if defined(TARGET_HAS_STRUCT_STAT64)
6a24a778 4854 struct target_stat64 *target_st;
20d155bc
SW		 4855#else
4856 struct target_stat *target_st;
9d33b76b 4857#endif
6a24a778
AZ		 4858
4859 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4860 return -TARGET_EFAULT;
9d33b76b 4861 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4862 __put_user(host_st->st_dev, &target_st->st_dev);
4863 __put_user(host_st->st_ino, &target_st->st_ino);
4864#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4865 __put_user(host_st->st_ino, &target_st->__st_ino);
4866#endif
4867 __put_user(host_st->st_mode, &target_st->st_mode);
4868 __put_user(host_st->st_nlink, &target_st->st_nlink);
4869 __put_user(host_st->st_uid, &target_st->st_uid);
4870 __put_user(host_st->st_gid, &target_st->st_gid);
4871 __put_user(host_st->st_rdev, &target_st->st_rdev);
4872 /* XXX: better use of kernel struct */
4873 __put_user(host_st->st_size, &target_st->st_size);
4874 __put_user(host_st->st_blksize, &target_st->st_blksize);
4875 __put_user(host_st->st_blocks, &target_st->st_blocks);
4876 __put_user(host_st->st_atime, &target_st->target_st_atime);
4877 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4878 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4879 unlock_user_struct(target_st, target_addr, 1);
4880 }
4881
4882 return 0;
4883}
4884#endif
4885
bd0c5661
PB		 4886/* ??? Using host futex calls even when target atomic operations
4887 are not really atomic probably breaks things. However implementing
4888 futexes locally would make futexes shared between multiple processes
4889 tricky. However they're probably useless because guest atomic
4890 operations won't work either. */
8fcd3692
BS		 4891static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4892 target_ulong uaddr2, int val3)
bd0c5661
PB		 4893{
4894 struct timespec ts, *pts;
a16aae0c 4895 int base_op;
bd0c5661
PB		 4896
4897 /* ??? We assume FUTEX_* constants are the same on both host
4898 and target. */
a29ccd63 4899#ifdef FUTEX_CMD_MASK
a16aae0c 4900 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4901#else
a16aae0c 4902 base_op = op;
a29ccd63 4903#endif
a16aae0c 4904 switch (base_op) {
bd0c5661 4905 case FUTEX_WAIT:
cce246e0 4906 case FUTEX_WAIT_BITSET:
bd0c5661
PB		 4907 if (timeout) {
4908 pts = &ts;
4909 target_to_host_timespec(pts, timeout);
4910 } else {
4911 pts = NULL;
4912 }
a29ccd63 4913 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
cce246e0 4914 pts, NULL, val3));
bd0c5661 4915 case FUTEX_WAKE:
a29ccd63 4916 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4917 case FUTEX_FD:
a29ccd63 4918 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4919 case FUTEX_REQUEUE:
bd0c5661 4920 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4921 case FUTEX_WAKE_OP:
4922 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4923 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4924 But the prototype takes a `struct timespec *'; insert casts
4925 to satisfy the compiler. We do not need to tswap TIMEOUT
4926 since it's not compared to guest memory. */
4927 pts = (struct timespec *)(uintptr_t) timeout;
4928 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4929 g2h(uaddr2),
4930 (base_op == FUTEX_CMP_REQUEUE
4931 ? tswap32(val3)
4932 : val3)));
bd0c5661
PB		 4933 default:
4934 return -TARGET_ENOSYS;
4935 }
4936}
bd0c5661 4937
1d9d8b55
PB		 4938/* Map host to target signal numbers for the wait family of syscalls.
4939 Assume all other status bits are the same. */
a05c6409 4940int host_to_target_waitstatus(int status)
1d9d8b55
PB		 4941{
4942 if (WIFSIGNALED(status)) {
4943 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4944 }
4945 if (WIFSTOPPED(status)) {
4946 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4947 | (status & 0xff);
4948 }
4949 return status;
4950}
4951
4a24a758
PM		 4952static int relstr_to_int(const char *s)
4953{
4954 /* Convert a uname release string like "2.6.18" to an integer
4955 * of the form 0x020612. (Beware that 0x020612 is *not* 2.6.12.)
4956 */
4957 int i, n, tmp;
4958
4959 tmp = 0;
4960 for (i = 0; i < 3; i++) {
4961 n = 0;
4962 while (*s >= '0' && *s <= '9') {
4963 n *= 10;
4964 n += *s - '0';
4965 s++;
4966 }
4967 tmp = (tmp << 8) + n;
4968 if (*s == '.') {
4969 s++;
4970 }
4971 }
4972 return tmp;
4973}
4974
a745ec6d
PB		 4975int get_osversion(void)
4976{
4977 static int osversion;
4978 struct new_utsname buf;
4979 const char *s;
4a24a758 4980
a745ec6d
PB		 4981 if (osversion)
4982 return osversion;
4983 if (qemu_uname_release && *qemu_uname_release) {
4984 s = qemu_uname_release;
4985 } else {
4986 if (sys_uname(&buf))
4987 return 0;
4988 s = buf.release;
4989 }
4a24a758 4990 osversion = relstr_to_int(s);
a745ec6d
PB		 4991 return osversion;
4992}
4993
4a24a758
PM		 4994void init_qemu_uname_release(void)
4995{
4996 /* Initialize qemu_uname_release for later use.
4997 * If the host kernel is too old and the user hasn't asked for
4998 * a specific fake version number, we might want to fake a minimum
4999 * target kernel version.
5000 */
5001#ifdef UNAME_MINIMUM_RELEASE
5002 struct new_utsname buf;
5003
5004 if (qemu_uname_release && *qemu_uname_release) {
5005 return;
5006 }
5007
5008 if (sys_uname(&buf)) {
5009 return;
5010 }
5011
5012 if (relstr_to_int(buf.release) < relstr_to_int(UNAME_MINIMUM_RELEASE)) {
5013 qemu_uname_release = UNAME_MINIMUM_RELEASE;
5014 }
5015#endif
5016}
36c08d49
AG		 5017
5018static int open_self_maps(void *cpu_env, int fd)
5019{
1a49ef2a 5020#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
0429a971
AF		 5021 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
5022 TaskState *ts = cpu->opaque;
1a49ef2a
AG		 5023#endif
5024 FILE *fp;
5025 char *line = NULL;
5026 size_t len = 0;
5027 ssize_t read;
5028
5029 fp = fopen("/proc/self/maps", "r");
5030 if (fp == NULL) {
5031 return -EACCES;
5032 }
36c08d49 5033
1a49ef2a
AG		 5034 while ((read = getline(&line, &len, fp)) != -1) {
5035 int fields, dev_maj, dev_min, inode;
5036 uint64_t min, max, offset;
5037 char flag_r, flag_w, flag_x, flag_p;
5038 char path[512] = "";
5039 fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
5040 " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
5041 &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
5042
5043 if ((fields < 10) || (fields > 11)) {
5044 continue;
5045 }
5046 if (!strncmp(path, "[stack]", 7)) {
5047 continue;
5048 }
5049 if (h2g_valid(min) && h2g_valid(max)) {
5050 dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
e24fed4e 5051 " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n",
1a49ef2a
AG		 5052 h2g(min), h2g(max), flag_r, flag_w,
5053 flag_x, flag_p, offset, dev_maj, dev_min, inode,
e24fed4e 5054 path[0] ? " " : "", path);
1a49ef2a
AG		 5055 }
5056 }
5057
5058 free(line);
5059 fclose(fp);
5060
5061#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
36c08d49
AG		 5062 dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
5063 (unsigned long long)ts->info->stack_limit,
1bdd7c7e
AG		 5064 (unsigned long long)(ts->info->start_stack +
5065 (TARGET_PAGE_SIZE - 1)) & TARGET_PAGE_MASK,
1a49ef2a
AG		 5066 (unsigned long long)0);
5067#endif
36c08d49
AG		 5068
5069 return 0;
5070}
5071
480b8e7d
AG		 5072static int open_self_stat(void *cpu_env, int fd)
5073{
0429a971
AF		 5074 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
5075 TaskState *ts = cpu->opaque;
480b8e7d
AG		 5076 abi_ulong start_stack = ts->info->start_stack;
5077 int i;
5078
5079 for (i = 0; i < 44; i++) {
5080 char buf[128];
5081 int len;
5082 uint64_t val = 0;
5083
e0e65bee
FE		 5084 if (i == 0) {
5085 /* pid */
5086 val = getpid();
5087 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5088 } else if (i == 1) {
5089 /* app name */
5090 snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
5091 } else if (i == 27) {
5092 /* stack bottom */
5093 val = start_stack;
5094 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5095 } else {
5096 /* for the rest, there is MasterCard */
5097 snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
480b8e7d 5098 }
e0e65bee 5099
480b8e7d
AG		 5100 len = strlen(buf);
5101 if (write(fd, buf, len) != len) {
5102 return -1;
5103 }
5104 }
5105
5106 return 0;
5107}
5108
257450ee
AG		 5109static int open_self_auxv(void *cpu_env, int fd)
5110{
0429a971
AF		 5111 CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
5112 TaskState *ts = cpu->opaque;
257450ee
AG		 5113 abi_ulong auxv = ts->info->saved_auxv;
5114 abi_ulong len = ts->info->auxv_len;
5115 char *ptr;
5116
5117 /*
5118 * Auxiliary vector is stored in target process stack.
5119 * read in whole auxv vector and copy it to file
5120 */
5121 ptr = lock_user(VERIFY_READ, auxv, len, 0);
5122 if (ptr != NULL) {
5123 while (len > 0) {
5124 ssize_t r;
5125 r = write(fd, ptr, len);
5126 if (r <= 0) {
5127 break;
5128 }
5129 len -= r;
5130 ptr += r;
5131 }
5132 lseek(fd, 0, SEEK_SET);
5133 unlock_user(ptr, auxv, len);
5134 }
5135
5136 return 0;
5137}
5138
463d8e73
AS		 5139static int is_proc_myself(const char *filename, const char *entry)
5140{
5141 if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
5142 filename += strlen("/proc/");
5143 if (!strncmp(filename, "self/", strlen("self/"))) {
5144 filename += strlen("self/");
5145 } else if (*filename >= '1' && *filename <= '9') {
5146 char myself[80];
5147 snprintf(myself, sizeof(myself), "%d/", getpid());
5148 if (!strncmp(filename, myself, strlen(myself))) {
5149 filename += strlen(myself);
5150 } else {
5151 return 0;
5152 }
5153 } else {
5154 return 0;
5155 }
5156 if (!strcmp(filename, entry)) {
5157 return 1;
5158 }
5159 }
5160 return 0;
5161}
5162
de6b9933
LV		 5163#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
5164static int is_proc(const char *filename, const char *entry)
5165{
5166 return strcmp(filename, entry) == 0;
5167}
5168
5169static int open_net_route(void *cpu_env, int fd)
5170{
5171 FILE *fp;
5172 char *line = NULL;
5173 size_t len = 0;
5174 ssize_t read;
5175
5176 fp = fopen("/proc/net/route", "r");
5177 if (fp == NULL) {
5178 return -EACCES;
5179 }
5180
5181 /* read header */
5182
5183 read = getline(&line, &len, fp);
5184 dprintf(fd, "%s", line);
5185
5186 /* read routes */
5187
5188 while ((read = getline(&line, &len, fp)) != -1) {
5189 char iface[16];
5190 uint32_t dest, gw, mask;
5191 unsigned int flags, refcnt, use, metric, mtu, window, irtt;
5192 sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
5193 iface, &dest, &gw, &flags, &refcnt, &use, &metric,
5194 &mask, &mtu, &window, &irtt);
5195 dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
5196 iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
5197 metric, tswap32(mask), mtu, window, irtt);
5198 }
5199
5200 free(line);
5201 fclose(fp);
5202
5203 return 0;
5204}
5205#endif
5206
3be14d05
AG		 5207static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode)
5208{
5209 struct fake_open {
5210 const char *filename;
5211 int (*fill)(void *cpu_env, int fd);
de6b9933 5212 int (*cmp)(const char *s1, const char *s2);
3be14d05
AG		 5213 };
5214 const struct fake_open *fake_open;
5215 static const struct fake_open fakes[] = {
de6b9933
LV		 5216 { "maps", open_self_maps, is_proc_myself },
5217 { "stat", open_self_stat, is_proc_myself },
5218 { "auxv", open_self_auxv, is_proc_myself },
5219#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
5220 { "/proc/net/route", open_net_route, is_proc },
5221#endif
5222 { NULL, NULL, NULL }
3be14d05
AG		 5223 };
5224
5225 for (fake_open = fakes; fake_open->filename; fake_open++) {
de6b9933 5226 if (fake_open->cmp(pathname, fake_open->filename)) {
3be14d05
AG		 5227 break;
5228 }
5229 }
5230
5231 if (fake_open->filename) {
5232 const char *tmpdir;
5233 char filename[PATH_MAX];
5234 int fd, r;
5235
5236 /* create temporary file to map stat to */
5237 tmpdir = getenv("TMPDIR");
5238 if (!tmpdir)
5239 tmpdir = "/tmp";
5240 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
5241 fd = mkstemp(filename);
5242 if (fd < 0) {
5243 return fd;
5244 }
5245 unlink(filename);
5246
5247 if ((r = fake_open->fill(cpu_env, fd))) {
5248 close(fd);
5249 return r;
5250 }
5251 lseek(fd, 0, SEEK_SET);
5252
5253 return fd;
5254 }
5255
5256 return get_errno(open(path(pathname), flags, mode));
5257}
5258
0da46a6e
TS		 5259/* do_syscall() should always have a single exit point at the end so
5260 that actions, such as logging of syscall results, can be performed.
5261 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 5262abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
5263 abi_long arg2, abi_long arg3, abi_long arg4,
5945cfcb
PM		 5264 abi_long arg5, abi_long arg6, abi_long arg7,
5265 abi_long arg8)
31e31b8a 5266{
182735ef 5267 CPUState *cpu = ENV_GET_CPU(cpu_env);
992f48a0 5268 abi_long ret;
31e31b8a 5269 struct stat st;
56c8f68f 5270 struct statfs stfs;
53a5960a 5271 void *p;
3b46e624 5272
72f03900 5273#ifdef DEBUG
c573ff67 5274 gemu_log("syscall %d", num);
72f03900 5275#endif
b92c47c1
TS		 5276 if(do_strace)
5277 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
5278
31e31b8a
FB		 5279 switch(num) {
5280 case TARGET_NR_exit:
9b056fcc
AF		 5281 /* In old applications this may be used to implement _exit(2).
5282 However in threaded applictions it is used for thread termination,
5283 and _exit_group is used for application termination.
5284 Do thread termination if we have more then one thread. */
5285 /* FIXME: This probably breaks if a signal arrives. We should probably
5286 be disabling signals. */
bdc44640 5287 if (CPU_NEXT(first_cpu)) {
9b056fcc 5288 TaskState *ts;
9b056fcc
AF		 5289
5290 cpu_list_lock();
9b056fcc 5291 /* Remove the CPU from the list. */
bdc44640 5292 QTAILQ_REMOVE(&cpus, cpu, node);
9b056fcc 5293 cpu_list_unlock();
0429a971 5294 ts = cpu->opaque;
9b056fcc
AF		 5295 if (ts->child_tidptr) {
5296 put_user_u32(0, ts->child_tidptr);
5297 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
5298 NULL, NULL, 0);
5299 }
a2247f8e 5300 thread_cpu = NULL;
0429a971 5301 object_unref(OBJECT(cpu));
9b056fcc
AF		 5302 g_free(ts);
5303 pthread_exit(NULL);
5304 }
9788c9ca 5305#ifdef TARGET_GPROF
7d13299d
FB		 5306 _mcleanup();
5307#endif
e9009676 5308 gdb_exit(cpu_env, arg1);
c2764719 5309 _exit(arg1);
31e31b8a
FB		 5310 ret = 0; /* avoid warning */
5311 break;
5312 case TARGET_NR_read:
38d840e6
AJ		 5313 if (arg3 == 0)
5314 ret = 0;
5315 else {
5316 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5317 goto efault;
5318 ret = get_errno(read(arg1, p, arg3));
5319 unlock_user(p, arg2, ret);
5320 }
31e31b8a
FB		 5321 break;
5322 case TARGET_NR_write:
579a97f7
FB		 5323 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5324 goto efault;
53a5960a
PB		 5325 ret = get_errno(write(arg1, p, arg3));
5326 unlock_user(p, arg2, 0);
31e31b8a
FB		 5327 break;
5328 case TARGET_NR_open:
2f619698
FB		 5329 if (!(p = lock_user_string(arg1)))
5330 goto efault;
3be14d05
AG		 5331 ret = get_errno(do_open(cpu_env, p,
5332 target_to_host_bitmask(arg2, fcntl_flags_tbl),
5333 arg3));
53a5960a 5334 unlock_user(p, arg1, 0);
31e31b8a 5335 break;
82424832
TS		 5336#if defined(TARGET_NR_openat) && defined(__NR_openat)
5337 case TARGET_NR_openat:
579a97f7
FB		 5338 if (!(p = lock_user_string(arg2)))
5339 goto efault;
5340 ret = get_errno(sys_openat(arg1,
5341 path(p),
5342 target_to_host_bitmask(arg3, fcntl_flags_tbl),
5343 arg4));
5344 unlock_user(p, arg2, 0);
82424832
TS		 5345 break;
5346#endif
31e31b8a
FB		 5347 case TARGET_NR_close:
5348 ret = get_errno(close(arg1));
5349 break;
5350 case TARGET_NR_brk:
53a5960a 5351 ret = do_brk(arg1);
31e31b8a
FB		 5352 break;
5353 case TARGET_NR_fork:
d865bab5 5354 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 5355 break;
e5febef5 5356#ifdef TARGET_NR_waitpid
31e31b8a
FB		 5357 case TARGET_NR_waitpid:
5358 {
53a5960a
PB		 5359 int status;
5360 ret = get_errno(waitpid(arg1, &status, arg3));
5379557b 5361 if (!is_error(ret) && arg2 && ret
1d9d8b55 5362 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 5363 goto efault;
31e31b8a
FB		 5364 }
5365 break;
e5febef5 5366#endif
f0cbb613
PB		 5367#ifdef TARGET_NR_waitid
5368 case TARGET_NR_waitid:
5369 {
5370 siginfo_t info;
5371 info.si_pid = 0;
5372 ret = get_errno(waitid(arg1, arg2, &info, arg4));
5373 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 5374 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 5375 goto efault;
5376 host_to_target_siginfo(p, &info);
c227f099 5377 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 5378 }
5379 }
5380 break;
5381#endif
7a3148a9 5382#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 5383 case TARGET_NR_creat:
579a97f7
FB		 5384 if (!(p = lock_user_string(arg1)))
5385 goto efault;
53a5960a
PB		 5386 ret = get_errno(creat(p, arg2));
5387 unlock_user(p, arg1, 0);
31e31b8a 5388 break;
7a3148a9 5389#endif
31e31b8a 5390 case TARGET_NR_link:
53a5960a
PB		 5391 {
5392 void * p2;
5393 p = lock_user_string(arg1);
5394 p2 = lock_user_string(arg2);
579a97f7
FB		 5395 if (!p || !p2)
5396 ret = -TARGET_EFAULT;
5397 else
5398 ret = get_errno(link(p, p2));
53a5960a
PB		 5399 unlock_user(p2, arg2, 0);
5400 unlock_user(p, arg1, 0);
5401 }
31e31b8a 5402 break;
c0d472b1 5403#if defined(TARGET_NR_linkat)
64f0ce4c 5404 case TARGET_NR_linkat:
64f0ce4c
TS		 5405 {
5406 void * p2 = NULL;
579a97f7
FB		 5407 if (!arg2 || !arg4)
5408 goto efault;
64f0ce4c
TS		 5409 p = lock_user_string(arg2);
5410 p2 = lock_user_string(arg4);
579a97f7 5411 if (!p || !p2)
0da46a6e 5412 ret = -TARGET_EFAULT;
64f0ce4c 5413 else
c0d472b1 5414 ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 5415 unlock_user(p, arg2, 0);
5416 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 5417 }
5418 break;
5419#endif
31e31b8a 5420 case TARGET_NR_unlink:
579a97f7
FB		 5421 if (!(p = lock_user_string(arg1)))
5422 goto efault;
53a5960a
PB		 5423 ret = get_errno(unlink(p));
5424 unlock_user(p, arg1, 0);
31e31b8a 5425 break;
c0d472b1 5426#if defined(TARGET_NR_unlinkat)
8170f56b 5427 case TARGET_NR_unlinkat:
579a97f7
FB		 5428 if (!(p = lock_user_string(arg2)))
5429 goto efault;
c0d472b1 5430 ret = get_errno(unlinkat(arg1, p, arg3));
579a97f7 5431 unlock_user(p, arg2, 0);
ed494d87 5432 break;
b7d35e65 5433#endif
31e31b8a 5434 case TARGET_NR_execve:
7854b056
FB		 5435 {
5436 char **argp, **envp;
f7341ff4 5437 int argc, envc;
992f48a0
BS		 5438 abi_ulong gp;
5439 abi_ulong guest_argp;
5440 abi_ulong guest_envp;
5441 abi_ulong addr;
7854b056 5442 char **q;
a6f79cc9 5443 int total_size = 0;
7854b056 5444
f7341ff4 5445 argc = 0;
53a5960a 5446 guest_argp = arg2;
da94d263 5447 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5448 if (get_user_ual(addr, gp))
2f619698 5449 goto efault;
03aa1976 5450 if (!addr)
2f619698 5451 break;
7854b056 5452 argc++;
2f619698 5453 }
f7341ff4 5454 envc = 0;
53a5960a 5455 guest_envp = arg3;
da94d263 5456 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5457 if (get_user_ual(addr, gp))
2f619698 5458 goto efault;
03aa1976 5459 if (!addr)
2f619698 5460 break;
7854b056 5461 envc++;
2f619698 5462 }
7854b056 5463
f7341ff4
FB		 5464 argp = alloca((argc + 1) * sizeof(void *));
5465 envp = alloca((envc + 1) * sizeof(void *));
7854b056 5466
da94d263 5467 for (gp = guest_argp, q = argp; gp;
992f48a0 5468 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5469 if (get_user_ual(addr, gp))
5470 goto execve_efault;
53a5960a
PB		 5471 if (!addr)
5472 break;
2f619698
FB		 5473 if (!(*q = lock_user_string(addr)))
5474 goto execve_efault;
a6f79cc9 5475 total_size += strlen(*q) + 1;
53a5960a 5476 }
f7341ff4
FB		 5477 *q = NULL;
5478
da94d263 5479 for (gp = guest_envp, q = envp; gp;
992f48a0 5480 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5481 if (get_user_ual(addr, gp))
5482 goto execve_efault;
53a5960a
PB		 5483 if (!addr)
5484 break;
2f619698
FB		 5485 if (!(*q = lock_user_string(addr)))
5486 goto execve_efault;
a6f79cc9 5487 total_size += strlen(*q) + 1;
53a5960a 5488 }
f7341ff4 5489 *q = NULL;
7854b056 5490
a6f79cc9
UH		 5491 /* This case will not be caught by the host's execve() if its
5492 page size is bigger than the target's. */
5493 if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
5494 ret = -TARGET_E2BIG;
5495 goto execve_end;
5496 }
2f619698
FB		 5497 if (!(p = lock_user_string(arg1)))
5498 goto execve_efault;
53a5960a
PB		 5499 ret = get_errno(execve(p, argp, envp));
5500 unlock_user(p, arg1, 0);
5501
2f619698
FB		 5502 goto execve_end;
5503
5504 execve_efault:
5505 ret = -TARGET_EFAULT;
5506
5507 execve_end:
53a5960a 5508 for (gp = guest_argp, q = argp; *q;
992f48a0 5509 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5510 if (get_user_ual(addr, gp)
5511 || !addr)
5512 break;
53a5960a
PB		 5513 unlock_user(*q, addr, 0);
5514 }
5515 for (gp = guest_envp, q = envp; *q;
992f48a0 5516 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5517 if (get_user_ual(addr, gp)
5518 || !addr)
5519 break;
53a5960a
PB		 5520 unlock_user(*q, addr, 0);
5521 }
7854b056 5522 }
31e31b8a
FB		 5523 break;
5524 case TARGET_NR_chdir:
579a97f7
FB		 5525 if (!(p = lock_user_string(arg1)))
5526 goto efault;
53a5960a
PB		 5527 ret = get_errno(chdir(p));
5528 unlock_user(p, arg1, 0);
31e31b8a 5529 break;
a315a145 5530#ifdef TARGET_NR_time
31e31b8a
FB		 5531 case TARGET_NR_time:
5532 {
53a5960a
PB		 5533 time_t host_time;
5534 ret = get_errno(time(&host_time));
2f619698
FB		 5535 if (!is_error(ret)
5536 && arg1
5537 && put_user_sal(host_time, arg1))
5538 goto efault;
31e31b8a
FB		 5539 }
5540 break;
a315a145 5541#endif
31e31b8a 5542 case TARGET_NR_mknod:
579a97f7
FB		 5543 if (!(p = lock_user_string(arg1)))
5544 goto efault;
53a5960a
PB		 5545 ret = get_errno(mknod(p, arg2, arg3));
5546 unlock_user(p, arg1, 0);
31e31b8a 5547 break;
c0d472b1 5548#if defined(TARGET_NR_mknodat)
75ac37a0 5549 case TARGET_NR_mknodat:
579a97f7
FB		 5550 if (!(p = lock_user_string(arg2)))
5551 goto efault;
c0d472b1 5552 ret = get_errno(mknodat(arg1, p, arg3, arg4));
579a97f7 5553 unlock_user(p, arg2, 0);
75ac37a0
TS		 5554 break;
5555#endif
31e31b8a 5556 case TARGET_NR_chmod:
579a97f7
FB		 5557 if (!(p = lock_user_string(arg1)))
5558 goto efault;
53a5960a
PB		 5559 ret = get_errno(chmod(p, arg2));
5560 unlock_user(p, arg1, 0);
31e31b8a 5561 break;
ebc05488 5562#ifdef TARGET_NR_break
31e31b8a
FB		 5563 case TARGET_NR_break:
5564 goto unimplemented;
ebc05488
FB		 5565#endif
5566#ifdef TARGET_NR_oldstat
31e31b8a
FB		 5567 case TARGET_NR_oldstat:
5568 goto unimplemented;
ebc05488 5569#endif
31e31b8a
FB		 5570 case TARGET_NR_lseek:
5571 ret = get_errno(lseek(arg1, arg2, arg3));
5572 break;
9231733a
RH		 5573#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5574 /* Alpha specific */
7a3148a9 5575 case TARGET_NR_getxpid:
9231733a
RH		 5576 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
5577 ret = get_errno(getpid());
5578 break;
7a3148a9 5579#endif
9231733a
RH		 5580#ifdef TARGET_NR_getpid
5581 case TARGET_NR_getpid:
31e31b8a
FB		 5582 ret = get_errno(getpid());
5583 break;
9231733a 5584#endif
31e31b8a 5585 case TARGET_NR_mount:
80265918
TS		 5586 {
5587 /* need to look at the data field */
5588 void *p2, *p3;
5589 p = lock_user_string(arg1);
5590 p2 = lock_user_string(arg2);
5591 p3 = lock_user_string(arg3);
579a97f7
FB		 5592 if (!p || !p2 || !p3)
5593 ret = -TARGET_EFAULT;
dab46405 5594 else {
579a97f7
FB		 5595 /* FIXME - arg5 should be locked, but it isn't clear how to
5596 * do that since it's not guaranteed to be a NULL-terminated
5597 * string.
5598 */
dab46405
JSM		 5599 if ( ! arg5 )
5600 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
5601 else
5602 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
5603 }
579a97f7
FB		 5604 unlock_user(p, arg1, 0);
5605 unlock_user(p2, arg2, 0);
5606 unlock_user(p3, arg3, 0);
80265918
TS		 5607 break;
5608 }
e5febef5 5609#ifdef TARGET_NR_umount
31e31b8a 5610 case TARGET_NR_umount:
579a97f7
FB		 5611 if (!(p = lock_user_string(arg1)))
5612 goto efault;
53a5960a
PB		 5613 ret = get_errno(umount(p));
5614 unlock_user(p, arg1, 0);
31e31b8a 5615 break;
e5febef5 5616#endif
7a3148a9 5617#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 5618 case TARGET_NR_stime:
5619 {
53a5960a 5620 time_t host_time;
2f619698
FB		 5621 if (get_user_sal(host_time, arg1))
5622 goto efault;
53a5960a 5623 ret = get_errno(stime(&host_time));
31e31b8a
FB		 5624 }
5625 break;
7a3148a9 5626#endif
31e31b8a
FB		 5627 case TARGET_NR_ptrace:
5628 goto unimplemented;
7a3148a9 5629#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 5630 case TARGET_NR_alarm:
5631 ret = alarm(arg1);
5632 break;
7a3148a9 5633#endif
ebc05488 5634#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 5635 case TARGET_NR_oldfstat:
5636 goto unimplemented;
ebc05488 5637#endif
7a3148a9 5638#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 5639 case TARGET_NR_pause:
5640 ret = get_errno(pause());
5641 break;
7a3148a9 5642#endif
e5febef5 5643#ifdef TARGET_NR_utime
31e31b8a 5644 case TARGET_NR_utime:
ebc05488 5645 {
53a5960a
PB		 5646 struct utimbuf tbuf, *host_tbuf;
5647 struct target_utimbuf *target_tbuf;
5648 if (arg2) {
579a97f7
FB		 5649 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
5650 goto efault;
cbb21eed
MB		 5651 tbuf.actime = tswapal(target_tbuf->actime);
5652 tbuf.modtime = tswapal(target_tbuf->modtime);
53a5960a
PB		 5653 unlock_user_struct(target_tbuf, arg2, 0);
5654 host_tbuf = &tbuf;
f72e8ff4 5655 } else {
53a5960a 5656 host_tbuf = NULL;
f72e8ff4 5657 }
579a97f7
FB		 5658 if (!(p = lock_user_string(arg1)))
5659 goto efault;
53a5960a
PB		 5660 ret = get_errno(utime(p, host_tbuf));
5661 unlock_user(p, arg1, 0);
ebc05488
FB		 5662 }
5663 break;
e5febef5 5664#endif
978a66ff
FB		 5665 case TARGET_NR_utimes:
5666 {
978a66ff 5667 struct timeval *tvp, tv[2];
53a5960a 5668 if (arg2) {
788f5ec4
TS		 5669 if (copy_from_user_timeval(&tv[0], arg2)
5670 || copy_from_user_timeval(&tv[1],
5671 arg2 + sizeof(struct target_timeval)))
5672 goto efault;
978a66ff
FB		 5673 tvp = tv;
5674 } else {
5675 tvp = NULL;
5676 }
579a97f7
FB		 5677 if (!(p = lock_user_string(arg1)))
5678 goto efault;
53a5960a
PB		 5679 ret = get_errno(utimes(p, tvp));
5680 unlock_user(p, arg1, 0);
978a66ff
FB		 5681 }
5682 break;
c0d472b1 5683#if defined(TARGET_NR_futimesat)
ac8a6556
AZ		 5684 case TARGET_NR_futimesat:
5685 {
5686 struct timeval *tvp, tv[2];
5687 if (arg3) {
5688 if (copy_from_user_timeval(&tv[0], arg3)
5689 || copy_from_user_timeval(&tv[1],
5690 arg3 + sizeof(struct target_timeval)))
5691 goto efault;
5692 tvp = tv;
5693 } else {
5694 tvp = NULL;
5695 }
5696 if (!(p = lock_user_string(arg2)))
5697 goto efault;
c0d472b1 5698 ret = get_errno(futimesat(arg1, path(p), tvp));
ac8a6556
AZ		 5699 unlock_user(p, arg2, 0);
5700 }
5701 break;
5702#endif
ebc05488 5703#ifdef TARGET_NR_stty
31e31b8a
FB		 5704 case TARGET_NR_stty:
5705 goto unimplemented;
ebc05488
FB		 5706#endif
5707#ifdef TARGET_NR_gtty
31e31b8a
FB		 5708 case TARGET_NR_gtty:
5709 goto unimplemented;
ebc05488 5710#endif
31e31b8a 5711 case TARGET_NR_access:
579a97f7
FB		 5712 if (!(p = lock_user_string(arg1)))
5713 goto efault;
719f908e 5714 ret = get_errno(access(path(p), arg2));
53a5960a 5715 unlock_user(p, arg1, 0);
31e31b8a 5716 break;
92a34c10
TS		 5717#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5718 case TARGET_NR_faccessat:
579a97f7
FB		 5719 if (!(p = lock_user_string(arg2)))
5720 goto efault;
c0d472b1 5721 ret = get_errno(faccessat(arg1, p, arg3, 0));
579a97f7 5722 unlock_user(p, arg2, 0);
92a34c10
TS		 5723 break;
5724#endif
7a3148a9 5725#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 5726 case TARGET_NR_nice:
5727 ret = get_errno(nice(arg1));
5728 break;
7a3148a9 5729#endif
ebc05488 5730#ifdef TARGET_NR_ftime
31e31b8a
FB		 5731 case TARGET_NR_ftime:
5732 goto unimplemented;
ebc05488 5733#endif
31e31b8a 5734 case TARGET_NR_sync:
04369ff2
FB		 5735 sync();
5736 ret = 0;
31e31b8a
FB		 5737 break;
5738 case TARGET_NR_kill:
4cb05961 5739 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 5740 break;
5741 case TARGET_NR_rename:
53a5960a
PB		 5742 {
5743 void *p2;
5744 p = lock_user_string(arg1);
5745 p2 = lock_user_string(arg2);
579a97f7
FB		 5746 if (!p || !p2)
5747 ret = -TARGET_EFAULT;
5748 else
5749 ret = get_errno(rename(p, p2));
53a5960a
PB		 5750 unlock_user(p2, arg2, 0);
5751 unlock_user(p, arg1, 0);
5752 }
31e31b8a 5753 break;
c0d472b1 5754#if defined(TARGET_NR_renameat)
722183f6 5755 case TARGET_NR_renameat:
722183f6 5756 {
579a97f7 5757 void *p2;
722183f6
TS		 5758 p = lock_user_string(arg2);
5759 p2 = lock_user_string(arg4);
579a97f7 5760 if (!p || !p2)
0da46a6e 5761 ret = -TARGET_EFAULT;
722183f6 5762 else
c0d472b1 5763 ret = get_errno(renameat(arg1, p, arg3, p2));
579a97f7
FB		 5764 unlock_user(p2, arg4, 0);
5765 unlock_user(p, arg2, 0);
722183f6
TS		 5766 }
5767 break;
5768#endif
31e31b8a 5769 case TARGET_NR_mkdir:
579a97f7
FB		 5770 if (!(p = lock_user_string(arg1)))
5771 goto efault;
53a5960a
PB		 5772 ret = get_errno(mkdir(p, arg2));
5773 unlock_user(p, arg1, 0);
31e31b8a 5774 break;
c0d472b1 5775#if defined(TARGET_NR_mkdirat)
4472ad0d 5776 case TARGET_NR_mkdirat:
579a97f7
FB		 5777 if (!(p = lock_user_string(arg2)))
5778 goto efault;
c0d472b1 5779 ret = get_errno(mkdirat(arg1, p, arg3));
579a97f7 5780 unlock_user(p, arg2, 0);
4472ad0d
TS		 5781 break;
5782#endif
31e31b8a 5783 case TARGET_NR_rmdir:
579a97f7
FB		 5784 if (!(p = lock_user_string(arg1)))
5785 goto efault;
53a5960a
PB		 5786 ret = get_errno(rmdir(p));
5787 unlock_user(p, arg1, 0);
31e31b8a
FB		 5788 break;
5789 case TARGET_NR_dup:
5790 ret = get_errno(dup(arg1));
5791 break;
5792 case TARGET_NR_pipe:
fb41a66e 5793 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f
RV		 5794 break;
5795#ifdef TARGET_NR_pipe2
5796 case TARGET_NR_pipe2:
e7ea6cbe
RH		 5797 ret = do_pipe(cpu_env, arg1,
5798 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
31e31b8a 5799 break;
099d6b0f 5800#endif
31e31b8a 5801 case TARGET_NR_times:
32f36bce 5802 {
53a5960a 5803 struct target_tms *tmsp;
32f36bce
FB		 5804 struct tms tms;
5805 ret = get_errno(times(&tms));
53a5960a 5806 if (arg1) {
579a97f7
FB		 5807 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
5808 if (!tmsp)
5809 goto efault;
cbb21eed
MB		 5810 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
5811 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
5812 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
5813 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
32f36bce 5814 }
c596ed17
FB		 5815 if (!is_error(ret))
5816 ret = host_to_target_clock_t(ret);
32f36bce
FB		 5817 }
5818 break;
ebc05488 5819#ifdef TARGET_NR_prof
31e31b8a
FB		 5820 case TARGET_NR_prof:
5821 goto unimplemented;
ebc05488 5822#endif
e5febef5 5823#ifdef TARGET_NR_signal
31e31b8a
FB		 5824 case TARGET_NR_signal:
5825 goto unimplemented;
e5febef5 5826#endif
31e31b8a 5827 case TARGET_NR_acct:
38d840e6
AJ		 5828 if (arg1 == 0) {
5829 ret = get_errno(acct(NULL));
5830 } else {
5831 if (!(p = lock_user_string(arg1)))
5832 goto efault;
5833 ret = get_errno(acct(path(p)));
5834 unlock_user(p, arg1, 0);
5835 }
24836689 5836 break;
8070e7be 5837#ifdef TARGET_NR_umount2
31e31b8a 5838 case TARGET_NR_umount2:
579a97f7
FB		 5839 if (!(p = lock_user_string(arg1)))
5840 goto efault;
53a5960a
PB		 5841 ret = get_errno(umount2(p, arg2));
5842 unlock_user(p, arg1, 0);
31e31b8a 5843 break;
7a3148a9 5844#endif
ebc05488 5845#ifdef TARGET_NR_lock
31e31b8a
FB		 5846 case TARGET_NR_lock:
5847 goto unimplemented;
ebc05488 5848#endif
31e31b8a
FB		 5849 case TARGET_NR_ioctl:
5850 ret = do_ioctl(arg1, arg2, arg3);
5851 break;
5852 case TARGET_NR_fcntl:
9ee1fa2c 5853 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 5854 break;
ebc05488 5855#ifdef TARGET_NR_mpx
31e31b8a
FB		 5856 case TARGET_NR_mpx:
5857 goto unimplemented;
ebc05488 5858#endif
31e31b8a
FB		 5859 case TARGET_NR_setpgid:
5860 ret = get_errno(setpgid(arg1, arg2));
5861 break;
ebc05488 5862#ifdef TARGET_NR_ulimit
31e31b8a
FB		 5863 case TARGET_NR_ulimit:
5864 goto unimplemented;
ebc05488
FB		 5865#endif
5866#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 5867 case TARGET_NR_oldolduname:
5868 goto unimplemented;
ebc05488 5869#endif
31e31b8a
FB		 5870 case TARGET_NR_umask:
5871 ret = get_errno(umask(arg1));
5872 break;
5873 case TARGET_NR_chroot:
579a97f7
FB		 5874 if (!(p = lock_user_string(arg1)))
5875 goto efault;
53a5960a
PB		 5876 ret = get_errno(chroot(p));
5877 unlock_user(p, arg1, 0);
31e31b8a
FB		 5878 break;
5879 case TARGET_NR_ustat:
5880 goto unimplemented;
5881 case TARGET_NR_dup2:
5882 ret = get_errno(dup2(arg1, arg2));
5883 break;
d0927938
UH		 5884#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5885 case TARGET_NR_dup3:
5886 ret = get_errno(dup3(arg1, arg2, arg3));
5887 break;
5888#endif
7a3148a9 5889#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 5890 case TARGET_NR_getppid:
5891 ret = get_errno(getppid());
5892 break;
7a3148a9 5893#endif
31e31b8a
FB		 5894 case TARGET_NR_getpgrp:
5895 ret = get_errno(getpgrp());
5896 break;
5897 case TARGET_NR_setsid:
5898 ret = get_errno(setsid());
5899 break;
e5febef5 5900#ifdef TARGET_NR_sigaction
31e31b8a 5901 case TARGET_NR_sigaction:
31e31b8a 5902 {
6049f4f8
RH		 5903#if defined(TARGET_ALPHA)
5904 struct target_sigaction act, oact, *pact = 0;
53a5960a 5905 struct target_old_sigaction *old_act;
53a5960a 5906 if (arg2) {
579a97f7
FB		 5907 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5908 goto efault;
66fb9763
FB		 5909 act._sa_handler = old_act->_sa_handler;
5910 target_siginitset(&act.sa_mask, old_act->sa_mask);
5911 act.sa_flags = old_act->sa_flags;
6049f4f8 5912 act.sa_restorer = 0;
53a5960a 5913 unlock_user_struct(old_act, arg2, 0);
66fb9763 5914 pact = &act;
66fb9763
FB		 5915 }
5916 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 5917 if (!is_error(ret) && arg3) {
579a97f7
FB		 5918 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5919 goto efault;
53a5960a
PB		 5920 old_act->_sa_handler = oact._sa_handler;
5921 old_act->sa_mask = oact.sa_mask.sig[0];
5922 old_act->sa_flags = oact.sa_flags;
53a5960a 5923 unlock_user_struct(old_act, arg3, 1);
66fb9763 5924 }
6049f4f8 5925#elif defined(TARGET_MIPS)
106ec879
FB		 5926 struct target_sigaction act, oact, *pact, *old_act;
5927
5928 if (arg2) {
579a97f7
FB		 5929 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5930 goto efault;
106ec879
FB		 5931 act._sa_handler = old_act->_sa_handler;
5932 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
5933 act.sa_flags = old_act->sa_flags;
5934 unlock_user_struct(old_act, arg2, 0);
5935 pact = &act;
5936 } else {
5937 pact = NULL;
5938 }
5939
5940 ret = get_errno(do_sigaction(arg1, pact, &oact));
5941
5942 if (!is_error(ret) && arg3) {
579a97f7
FB		 5943 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5944 goto efault;
106ec879
FB		 5945 old_act->_sa_handler = oact._sa_handler;
5946 old_act->sa_flags = oact.sa_flags;
5947 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
5948 old_act->sa_mask.sig[1] = 0;
5949 old_act->sa_mask.sig[2] = 0;
5950 old_act->sa_mask.sig[3] = 0;
5951 unlock_user_struct(old_act, arg3, 1);
5952 }
6049f4f8
RH		 5953#else
5954 struct target_old_sigaction *old_act;
5955 struct target_sigaction act, oact, *pact;
5956 if (arg2) {
5957 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5958 goto efault;
5959 act._sa_handler = old_act->_sa_handler;
5960 target_siginitset(&act.sa_mask, old_act->sa_mask);
5961 act.sa_flags = old_act->sa_flags;
5962 act.sa_restorer = old_act->sa_restorer;
5963 unlock_user_struct(old_act, arg2, 0);
5964 pact = &act;
5965 } else {
5966 pact = NULL;
5967 }
5968 ret = get_errno(do_sigaction(arg1, pact, &oact));
5969 if (!is_error(ret) && arg3) {
5970 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5971 goto efault;
5972 old_act->_sa_handler = oact._sa_handler;
5973 old_act->sa_mask = oact.sa_mask.sig[0];
5974 old_act->sa_flags = oact.sa_flags;
5975 old_act->sa_restorer = oact.sa_restorer;
5976 unlock_user_struct(old_act, arg3, 1);
5977 }
388bb21a 5978#endif
31e31b8a
FB		 5979 }
5980 break;
e5febef5 5981#endif
66fb9763 5982 case TARGET_NR_rt_sigaction:
53a5960a 5983 {
6049f4f8
RH		 5984#if defined(TARGET_ALPHA)
5985 struct target_sigaction act, oact, *pact = 0;
5986 struct target_rt_sigaction *rt_act;
5987 /* ??? arg4 == sizeof(sigset_t). */
5988 if (arg2) {
5989 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
5990 goto efault;
5991 act._sa_handler = rt_act->_sa_handler;
5992 act.sa_mask = rt_act->sa_mask;
5993 act.sa_flags = rt_act->sa_flags;
5994 act.sa_restorer = arg5;
5995 unlock_user_struct(rt_act, arg2, 0);
5996 pact = &act;
5997 }
5998 ret = get_errno(do_sigaction(arg1, pact, &oact));
5999 if (!is_error(ret) && arg3) {
6000 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
6001 goto efault;
6002 rt_act->_sa_handler = oact._sa_handler;
6003 rt_act->sa_mask = oact.sa_mask;
6004 rt_act->sa_flags = oact.sa_flags;
6005 unlock_user_struct(rt_act, arg3, 1);
6006 }
6007#else
53a5960a
PB		 6008 struct target_sigaction *act;
6009 struct target_sigaction *oact;
6010
579a97f7
FB		 6011 if (arg2) {
6012 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
6013 goto efault;
6014 } else
53a5960a 6015 act = NULL;
579a97f7
FB		 6016 if (arg3) {
6017 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
6018 ret = -TARGET_EFAULT;
6019 goto rt_sigaction_fail;
6020 }
6021 } else
53a5960a
PB		 6022 oact = NULL;
6023 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 6024 rt_sigaction_fail:
6025 if (act)
53a5960a 6026 unlock_user_struct(act, arg2, 0);
579a97f7 6027 if (oact)
53a5960a 6028 unlock_user_struct(oact, arg3, 1);
6049f4f8 6029#endif
53a5960a 6030 }
66fb9763 6031 break;
7a3148a9 6032#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 6033 case TARGET_NR_sgetmask:
66fb9763
FB		 6034 {
6035 sigset_t cur_set;
992f48a0 6036 abi_ulong target_set;
1c275925 6037 do_sigprocmask(0, NULL, &cur_set);
66fb9763
FB		 6038 host_to_target_old_sigset(&target_set, &cur_set);
6039 ret = target_set;
6040 }
6041 break;
7a3148a9
JM		 6042#endif
6043#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 6044 case TARGET_NR_ssetmask:
66fb9763
FB		 6045 {
6046 sigset_t set, oset, cur_set;
992f48a0 6047 abi_ulong target_set = arg1;
1c275925 6048 do_sigprocmask(0, NULL, &cur_set);
66fb9763
FB		 6049 target_to_host_old_sigset(&set, &target_set);
6050 sigorset(&set, &set, &cur_set);
1c275925 6051 do_sigprocmask(SIG_SETMASK, &set, &oset);
66fb9763
FB		 6052 host_to_target_old_sigset(&target_set, &oset);
6053 ret = target_set;
6054 }
6055 break;
7a3148a9 6056#endif
e5febef5 6057#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 6058 case TARGET_NR_sigprocmask:
6059 {
a5b3b13b
RH		 6060#if defined(TARGET_ALPHA)
6061 sigset_t set, oldset;
6062 abi_ulong mask;
6063 int how;
6064
6065 switch (arg1) {
6066 case TARGET_SIG_BLOCK:
6067 how = SIG_BLOCK;
6068 break;
6069 case TARGET_SIG_UNBLOCK:
6070 how = SIG_UNBLOCK;
6071 break;
6072 case TARGET_SIG_SETMASK:
6073 how = SIG_SETMASK;
6074 break;
6075 default:
6076 ret = -TARGET_EINVAL;
6077 goto fail;
6078 }
6079 mask = arg2;
6080 target_to_host_old_sigset(&set, &mask);
6081
1c275925 6082 ret = get_errno(do_sigprocmask(how, &set, &oldset));
a5b3b13b
RH		 6083 if (!is_error(ret)) {
6084 host_to_target_old_sigset(&mask, &oldset);
6085 ret = mask;
0229f5a3 6086 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */
a5b3b13b
RH		 6087 }
6088#else
66fb9763 6089 sigset_t set, oldset, *set_ptr;
a5b3b13b 6090 int how;
3b46e624 6091
53a5960a 6092 if (arg2) {
a5b3b13b 6093 switch (arg1) {
66fb9763
FB		 6094 case TARGET_SIG_BLOCK:
6095 how = SIG_BLOCK;
6096 break;
6097 case TARGET_SIG_UNBLOCK:
6098 how = SIG_UNBLOCK;
6099 break;
6100 case TARGET_SIG_SETMASK:
6101 how = SIG_SETMASK;
6102 break;
6103 default:
0da46a6e 6104 ret = -TARGET_EINVAL;
66fb9763
FB		 6105 goto fail;
6106 }
c227f099 6107 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 6108 goto efault;
53a5960a
PB		 6109 target_to_host_old_sigset(&set, p);
6110 unlock_user(p, arg2, 0);
66fb9763
FB		 6111 set_ptr = &set;
6112 } else {
6113 how = 0;
6114 set_ptr = NULL;
6115 }
1c275925 6116 ret = get_errno(do_sigprocmask(how, set_ptr, &oldset));
53a5960a 6117 if (!is_error(ret) && arg3) {
c227f099 6118 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6119 goto efault;
53a5960a 6120 host_to_target_old_sigset(p, &oldset);
c227f099 6121 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 6122 }
a5b3b13b 6123#endif
66fb9763
FB		 6124 }
6125 break;
e5febef5 6126#endif
66fb9763
FB		 6127 case TARGET_NR_rt_sigprocmask:
6128 {
6129 int how = arg1;
6130 sigset_t set, oldset, *set_ptr;
3b46e624 6131
53a5960a 6132 if (arg2) {
66fb9763
FB		 6133 switch(how) {
6134 case TARGET_SIG_BLOCK:
6135 how = SIG_BLOCK;
6136 break;
6137 case TARGET_SIG_UNBLOCK:
6138 how = SIG_UNBLOCK;
6139 break;
6140 case TARGET_SIG_SETMASK:
6141 how = SIG_SETMASK;
6142 break;
6143 default:
0da46a6e 6144 ret = -TARGET_EINVAL;
66fb9763
FB		 6145 goto fail;
6146 }
c227f099 6147 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 6148 goto efault;
53a5960a
PB		 6149 target_to_host_sigset(&set, p);
6150 unlock_user(p, arg2, 0);
66fb9763
FB		 6151 set_ptr = &set;
6152 } else {
6153 how = 0;
6154 set_ptr = NULL;
6155 }
1c275925 6156 ret = get_errno(do_sigprocmask(how, set_ptr, &oldset));
53a5960a 6157 if (!is_error(ret) && arg3) {
c227f099 6158 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6159 goto efault;
53a5960a 6160 host_to_target_sigset(p, &oldset);
c227f099 6161 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 6162 }
6163 }
6164 break;
e5febef5 6165#ifdef TARGET_NR_sigpending
66fb9763
FB		 6166 case TARGET_NR_sigpending:
6167 {
6168 sigset_t set;
6169 ret = get_errno(sigpending(&set));
6170 if (!is_error(ret)) {
c227f099 6171 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6172 goto efault;
53a5960a 6173 host_to_target_old_sigset(p, &set);
c227f099 6174 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6175 }
6176 }
6177 break;
e5febef5 6178#endif
66fb9763
FB		 6179 case TARGET_NR_rt_sigpending:
6180 {
6181 sigset_t set;
6182 ret = get_errno(sigpending(&set));
6183 if (!is_error(ret)) {
c227f099 6184 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6185 goto efault;
53a5960a 6186 host_to_target_sigset(p, &set);
c227f099 6187 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6188 }
6189 }
6190 break;
e5febef5 6191#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 6192 case TARGET_NR_sigsuspend:
6193 {
6194 sigset_t set;
f43ce12b
RH		 6195#if defined(TARGET_ALPHA)
6196 abi_ulong mask = arg1;
6197 target_to_host_old_sigset(&set, &mask);
6198#else
c227f099 6199 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6200 goto efault;
53a5960a
PB		 6201 target_to_host_old_sigset(&set, p);
6202 unlock_user(p, arg1, 0);
f43ce12b 6203#endif
66fb9763
FB		 6204 ret = get_errno(sigsuspend(&set));
6205 }
6206 break;
e5febef5 6207#endif
66fb9763
FB		 6208 case TARGET_NR_rt_sigsuspend:
6209 {
6210 sigset_t set;
c227f099 6211 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6212 goto efault;
53a5960a
PB		 6213 target_to_host_sigset(&set, p);
6214 unlock_user(p, arg1, 0);
66fb9763
FB		 6215 ret = get_errno(sigsuspend(&set));
6216 }
6217 break;
6218 case TARGET_NR_rt_sigtimedwait:
6219 {
66fb9763
FB		 6220 sigset_t set;
6221 struct timespec uts, *puts;
6222 siginfo_t uinfo;
3b46e624 6223
c227f099 6224 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6225 goto efault;
53a5960a
PB		 6226 target_to_host_sigset(&set, p);
6227 unlock_user(p, arg1, 0);
6228 if (arg3) {
66fb9763 6229 puts = &uts;
53a5960a 6230 target_to_host_timespec(puts, arg3);
66fb9763
FB		 6231 } else {
6232 puts = NULL;
6233 }
6234 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
974a196d
PJ		 6235 if (!is_error(ret)) {
6236 if (arg2) {
6237 p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
6238 0);
6239 if (!p) {
6240 goto efault;
6241 }
6242 host_to_target_siginfo(p, &uinfo);
6243 unlock_user(p, arg2, sizeof(target_siginfo_t));
6244 }
6245 ret = host_to_target_signal(ret);
66fb9763
FB		 6246 }
6247 }
6248 break;
6249 case TARGET_NR_rt_sigqueueinfo:
6250 {
6251 siginfo_t uinfo;
c227f099 6252 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 6253 goto efault;
53a5960a
PB		 6254 target_to_host_siginfo(&uinfo, p);
6255 unlock_user(p, arg1, 0);
66fb9763
FB		 6256 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
6257 }
6258 break;
e5febef5 6259#ifdef TARGET_NR_sigreturn
66fb9763
FB		 6260 case TARGET_NR_sigreturn:
6261 /* NOTE: ret is eax, so not transcoding must be done */
6262 ret = do_sigreturn(cpu_env);
6263 break;
e5febef5 6264#endif
66fb9763
FB		 6265 case TARGET_NR_rt_sigreturn:
6266 /* NOTE: ret is eax, so not transcoding must be done */
6267 ret = do_rt_sigreturn(cpu_env);
6268 break;
31e31b8a 6269 case TARGET_NR_sethostname:
579a97f7
FB		 6270 if (!(p = lock_user_string(arg1)))
6271 goto efault;
53a5960a
PB		 6272 ret = get_errno(sethostname(p, arg2));
6273 unlock_user(p, arg1, 0);
31e31b8a
FB		 6274 break;
6275 case TARGET_NR_setrlimit:
9de5e440 6276 {
e22b7015 6277 int resource = target_to_host_resource(arg1);
53a5960a 6278 struct target_rlimit *target_rlim;
9de5e440 6279 struct rlimit rlim;
579a97f7
FB		 6280 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
6281 goto efault;
81bbe906
TY		 6282 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
6283 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 6284 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 6285 ret = get_errno(setrlimit(resource, &rlim));
6286 }
6287 break;
31e31b8a 6288 case TARGET_NR_getrlimit:
9de5e440 6289 {
e22b7015 6290 int resource = target_to_host_resource(arg1);
53a5960a 6291 struct target_rlimit *target_rlim;
9de5e440 6292 struct rlimit rlim;
3b46e624 6293
9de5e440
FB		 6294 ret = get_errno(getrlimit(resource, &rlim));
6295 if (!is_error(ret)) {
579a97f7
FB		 6296 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6297 goto efault;
81bbe906
TY		 6298 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6299 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 6300 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 6301 }
6302 }
6303 break;
31e31b8a 6304 case TARGET_NR_getrusage:
b409186b
FB		 6305 {
6306 struct rusage rusage;
b409186b
FB		 6307 ret = get_errno(getrusage(arg1, &rusage));
6308 if (!is_error(ret)) {
53a5960a 6309 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 6310 }
6311 }
6312 break;
31e31b8a
FB		 6313 case TARGET_NR_gettimeofday:
6314 {
31e31b8a
FB		 6315 struct timeval tv;
6316 ret = get_errno(gettimeofday(&tv, NULL));
6317 if (!is_error(ret)) {
788f5ec4
TS		 6318 if (copy_to_user_timeval(arg1, &tv))
6319 goto efault;
31e31b8a
FB		 6320 }
6321 }
6322 break;
6323 case TARGET_NR_settimeofday:
6324 {
31e31b8a 6325 struct timeval tv;
788f5ec4
TS		 6326 if (copy_from_user_timeval(&tv, arg1))
6327 goto efault;
31e31b8a
FB		 6328 ret = get_errno(settimeofday(&tv, NULL));
6329 }
6330 break;
9468a5d4 6331#if defined(TARGET_NR_select)
31e31b8a 6332 case TARGET_NR_select:
9468a5d4
LV		 6333#if defined(TARGET_S390X) || defined(TARGET_ALPHA)
6334 ret = do_select(arg1, arg2, arg3, arg4, arg5);
6335#else
f2674e31 6336 {
53a5960a 6337 struct target_sel_arg_struct *sel;
992f48a0 6338 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 6339 long nsel;
6340
579a97f7
FB		 6341 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
6342 goto efault;
cbb21eed
MB		 6343 nsel = tswapal(sel->n);
6344 inp = tswapal(sel->inp);
6345 outp = tswapal(sel->outp);
6346 exp = tswapal(sel->exp);
6347 tvp = tswapal(sel->tvp);
53a5960a
PB		 6348 unlock_user_struct(sel, arg1, 0);
6349 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31 6350 }
9468a5d4 6351#endif
f2674e31 6352 break;
9e42382f
RV		 6353#endif
6354#ifdef TARGET_NR_pselect6
6355 case TARGET_NR_pselect6:
055e0906
MF		 6356 {
6357 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
6358 fd_set rfds, wfds, efds;
6359 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
6360 struct timespec ts, *ts_ptr;
6361
6362 /*
6363 * The 6th arg is actually two args smashed together,
6364 * so we cannot use the C library.
6365 */
6366 sigset_t set;
6367 struct {
6368 sigset_t *set;
6369 size_t size;
6370 } sig, *sig_ptr;
6371
6372 abi_ulong arg_sigset, arg_sigsize, *arg7;
6373 target_sigset_t *target_sigset;
6374
6375 n = arg1;
6376 rfd_addr = arg2;
6377 wfd_addr = arg3;
6378 efd_addr = arg4;
6379 ts_addr = arg5;
6380
6381 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
6382 if (ret) {
6383 goto fail;
6384 }
6385 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
6386 if (ret) {
6387 goto fail;
6388 }
6389 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
6390 if (ret) {
6391 goto fail;
6392 }
6393
6394 /*
6395 * This takes a timespec, and not a timeval, so we cannot
6396 * use the do_select() helper ...
6397 */
6398 if (ts_addr) {
6399 if (target_to_host_timespec(&ts, ts_addr)) {
6400 goto efault;
6401 }
6402 ts_ptr = &ts;
6403 } else {
6404 ts_ptr = NULL;
6405 }
6406
6407 /* Extract the two packed args for the sigset */
6408 if (arg6) {
6409 sig_ptr = &sig;
6410 sig.size = _NSIG / 8;
6411
6412 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
6413 if (!arg7) {
6414 goto efault;
6415 }
cbb21eed
MB		 6416 arg_sigset = tswapal(arg7[0]);
6417 arg_sigsize = tswapal(arg7[1]);
055e0906
MF		 6418 unlock_user(arg7, arg6, 0);
6419
6420 if (arg_sigset) {
6421 sig.set = &set;
8f04eeb3
PM		 6422 if (arg_sigsize != sizeof(*target_sigset)) {
6423 /* Like the kernel, we enforce correct size sigsets */
6424 ret = -TARGET_EINVAL;
6425 goto fail;
6426 }
055e0906
MF		 6427 target_sigset = lock_user(VERIFY_READ, arg_sigset,
6428 sizeof(*target_sigset), 1);
6429 if (!target_sigset) {
6430 goto efault;
6431 }
6432 target_to_host_sigset(&set, target_sigset);
6433 unlock_user(target_sigset, arg_sigset, 0);
6434 } else {
6435 sig.set = NULL;
6436 }
6437 } else {
6438 sig_ptr = NULL;
6439 }
6440
6441 ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
6442 ts_ptr, sig_ptr));
6443
6444 if (!is_error(ret)) {
6445 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
6446 goto efault;
6447 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
6448 goto efault;
6449 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
6450 goto efault;
6451
6452 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
6453 goto efault;
6454 }
6455 }
6456 break;
048f6b4d 6457#endif
31e31b8a 6458 case TARGET_NR_symlink:
53a5960a
PB		 6459 {
6460 void *p2;
6461 p = lock_user_string(arg1);
6462 p2 = lock_user_string(arg2);
579a97f7
FB		 6463 if (!p || !p2)
6464 ret = -TARGET_EFAULT;
6465 else
6466 ret = get_errno(symlink(p, p2));
53a5960a
PB		 6467 unlock_user(p2, arg2, 0);
6468 unlock_user(p, arg1, 0);
6469 }
31e31b8a 6470 break;
c0d472b1 6471#if defined(TARGET_NR_symlinkat)
f0b6243d 6472 case TARGET_NR_symlinkat:
f0b6243d 6473 {
579a97f7 6474 void *p2;
f0b6243d
TS		 6475 p = lock_user_string(arg1);
6476 p2 = lock_user_string(arg3);
579a97f7 6477 if (!p || !p2)
0da46a6e 6478 ret = -TARGET_EFAULT;
f0b6243d 6479 else
c0d472b1 6480 ret = get_errno(symlinkat(p, arg2, p2));
579a97f7
FB		 6481 unlock_user(p2, arg3, 0);
6482 unlock_user(p, arg1, 0);
f0b6243d
TS		 6483 }
6484 break;
6485#endif
ebc05488 6486#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 6487 case TARGET_NR_oldlstat:
6488 goto unimplemented;
ebc05488 6489#endif
31e31b8a 6490 case TARGET_NR_readlink:
53a5960a 6491 {
463d8e73 6492 void *p2;
53a5960a 6493 p = lock_user_string(arg1);
579a97f7 6494 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
463d8e73 6495 if (!p || !p2) {
579a97f7 6496 ret = -TARGET_EFAULT;
463d8e73
AS		 6497 } else if (is_proc_myself((const char *)p, "exe")) {
6498 char real[PATH_MAX], *temp;
6499 temp = realpath(exec_path, real);
6500 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
6501 snprintf((char *)p2, arg3, "%s", real);
6502 } else {
6503 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 6504 }
53a5960a
PB		 6505 unlock_user(p2, arg2, ret);
6506 unlock_user(p, arg1, 0);
6507 }
31e31b8a 6508 break;
c0d472b1 6509#if defined(TARGET_NR_readlinkat)
5e0ccb18 6510 case TARGET_NR_readlinkat:
5e0ccb18 6511 {
579a97f7 6512 void *p2;
5e0ccb18 6513 p = lock_user_string(arg2);
579a97f7 6514 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
463d8e73
AS		 6515 if (!p || !p2) {
6516 ret = -TARGET_EFAULT;
6517 } else if (is_proc_myself((const char *)p, "exe")) {
6518 char real[PATH_MAX], *temp;
6519 temp = realpath(exec_path, real);
6520 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
6521 snprintf((char *)p2, arg4, "%s", real);
6522 } else {
c0d472b1 6523 ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
463d8e73 6524 }
579a97f7
FB		 6525 unlock_user(p2, arg3, ret);
6526 unlock_user(p, arg2, 0);
5e0ccb18
TS		 6527 }
6528 break;
6529#endif
e5febef5 6530#ifdef TARGET_NR_uselib
31e31b8a
FB		 6531 case TARGET_NR_uselib:
6532 goto unimplemented;
e5febef5
TS		 6533#endif
6534#ifdef TARGET_NR_swapon
31e31b8a 6535 case TARGET_NR_swapon:
579a97f7
FB		 6536 if (!(p = lock_user_string(arg1)))
6537 goto efault;
53a5960a
PB		 6538 ret = get_errno(swapon(p, arg2));
6539 unlock_user(p, arg1, 0);
31e31b8a 6540 break;
e5febef5 6541#endif
31e31b8a 6542 case TARGET_NR_reboot:
c07ecc68
LV		 6543 if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
6544 /* arg4 must be ignored in all other cases */
6545 p = lock_user_string(arg4);
6546 if (!p) {
6547 goto efault;
6548 }
6549 ret = get_errno(reboot(arg1, arg2, arg3, p));
6550 unlock_user(p, arg4, 0);
6551 } else {
6552 ret = get_errno(reboot(arg1, arg2, arg3, NULL));
6553 }
0f6b4d21 6554 break;
e5febef5 6555#ifdef TARGET_NR_readdir
31e31b8a
FB		 6556 case TARGET_NR_readdir:
6557 goto unimplemented;
e5febef5
TS		 6558#endif
6559#ifdef TARGET_NR_mmap
31e31b8a 6560 case TARGET_NR_mmap:
09701199
AG		 6561#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
6562 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
a4c075f1
UH		 6563 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6564 || defined(TARGET_S390X)
31e31b8a 6565 {
992f48a0
BS		 6566 abi_ulong *v;
6567 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 6568 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
6569 goto efault;
cbb21eed
MB		 6570 v1 = tswapal(v[0]);
6571 v2 = tswapal(v[1]);
6572 v3 = tswapal(v[2]);
6573 v4 = tswapal(v[3]);
6574 v5 = tswapal(v[4]);
6575 v6 = tswapal(v[5]);
53a5960a 6576 unlock_user(v, arg1, 0);
5fafdf24 6577 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 6578 target_to_host_bitmask(v4, mmap_flags_tbl),
6579 v5, v6));
31e31b8a 6580 }
31e31b8a 6581#else
5fafdf24
TS		 6582 ret = get_errno(target_mmap(arg1, arg2, arg3,
6583 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 6584 arg5,
6585 arg6));
31e31b8a 6586#endif
6fb883e8 6587 break;
e5febef5 6588#endif
a315a145 6589#ifdef TARGET_NR_mmap2
6fb883e8 6590 case TARGET_NR_mmap2:
bb7ec043 6591#ifndef MMAP_SHIFT
c573ff67 6592#define MMAP_SHIFT 12
c573ff67 6593#endif
5fafdf24
TS		 6594 ret = get_errno(target_mmap(arg1, arg2, arg3,
6595 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 6596 arg5,
c573ff67 6597 arg6 << MMAP_SHIFT));
31e31b8a 6598 break;
a315a145 6599#endif
31e31b8a 6600 case TARGET_NR_munmap:
54936004 6601 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 6602 break;
9de5e440 6603 case TARGET_NR_mprotect:
97374d38 6604 {
0429a971 6605 TaskState *ts = cpu->opaque;
97374d38
PB		 6606 /* Special hack to detect libc making the stack executable. */
6607 if ((arg3 & PROT_GROWSDOWN)
6608 && arg1 >= ts->info->stack_limit
6609 && arg1 <= ts->info->start_stack) {
6610 arg3 &= ~PROT_GROWSDOWN;
6611 arg2 = arg2 + arg1 - ts->info->stack_limit;
6612 arg1 = ts->info->stack_limit;
6613 }
6614 }
54936004 6615 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 6616 break;
e5febef5 6617#ifdef TARGET_NR_mremap
9de5e440 6618 case TARGET_NR_mremap:
54936004 6619 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 6620 break;
e5febef5 6621#endif
53a5960a 6622 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 6623#ifdef TARGET_NR_msync
9de5e440 6624 case TARGET_NR_msync:
53a5960a 6625 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 6626 break;
e5febef5
TS		 6627#endif
6628#ifdef TARGET_NR_mlock
9de5e440 6629 case TARGET_NR_mlock:
53a5960a 6630 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 6631 break;
e5febef5
TS		 6632#endif
6633#ifdef TARGET_NR_munlock
9de5e440 6634 case TARGET_NR_munlock:
53a5960a 6635 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 6636 break;
e5febef5
TS		 6637#endif
6638#ifdef TARGET_NR_mlockall
9de5e440
FB		 6639 case TARGET_NR_mlockall:
6640 ret = get_errno(mlockall(arg1));
6641 break;
e5febef5
TS		 6642#endif
6643#ifdef TARGET_NR_munlockall
9de5e440
FB		 6644 case TARGET_NR_munlockall:
6645 ret = get_errno(munlockall());
6646 break;
e5febef5 6647#endif
31e31b8a 6648 case TARGET_NR_truncate:
579a97f7
FB		 6649 if (!(p = lock_user_string(arg1)))
6650 goto efault;
53a5960a
PB		 6651 ret = get_errno(truncate(p, arg2));
6652 unlock_user(p, arg1, 0);
31e31b8a
FB		 6653 break;
6654 case TARGET_NR_ftruncate:
6655 ret = get_errno(ftruncate(arg1, arg2));
6656 break;
6657 case TARGET_NR_fchmod:
6658 ret = get_errno(fchmod(arg1, arg2));
6659 break;
c0d472b1 6660#if defined(TARGET_NR_fchmodat)
814d7977 6661 case TARGET_NR_fchmodat:
579a97f7
FB		 6662 if (!(p = lock_user_string(arg2)))
6663 goto efault;
c0d472b1 6664 ret = get_errno(fchmodat(arg1, p, arg3, 0));
579a97f7 6665 unlock_user(p, arg2, 0);
814d7977
TS		 6666 break;
6667#endif
31e31b8a 6668 case TARGET_NR_getpriority:
95c09828
RH		 6669 /* Note that negative values are valid for getpriority, so we must
6670 differentiate based on errno settings. */
6671 errno = 0;
6672 ret = getpriority(arg1, arg2);
6673 if (ret == -1 && errno != 0) {
6674 ret = -host_to_target_errno(errno);
6675 break;
6676 }
6677#ifdef TARGET_ALPHA
6678 /* Return value is the unbiased priority. Signal no error. */
6679 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
6680#else
6681 /* Return value is a biased priority to avoid negative numbers. */
6682 ret = 20 - ret;
6683#endif
31e31b8a
FB		 6684 break;
6685 case TARGET_NR_setpriority:
6686 ret = get_errno(setpriority(arg1, arg2, arg3));
6687 break;
ebc05488 6688#ifdef TARGET_NR_profil
31e31b8a
FB		 6689 case TARGET_NR_profil:
6690 goto unimplemented;
ebc05488 6691#endif
31e31b8a 6692 case TARGET_NR_statfs:
579a97f7
FB		 6693 if (!(p = lock_user_string(arg1)))
6694 goto efault;
53a5960a
PB		 6695 ret = get_errno(statfs(path(p), &stfs));
6696 unlock_user(p, arg1, 0);
31e31b8a
FB		 6697 convert_statfs:
6698 if (!is_error(ret)) {
53a5960a 6699 struct target_statfs *target_stfs;
3b46e624 6700
579a97f7
FB		 6701 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
6702 goto efault;
6703 __put_user(stfs.f_type, &target_stfs->f_type);
6704 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6705 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6706 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6707 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6708 __put_user(stfs.f_files, &target_stfs->f_files);
6709 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6710 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6711 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6712 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 6713 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
6714 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
53a5960a 6715 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 6716 }
6717 break;
6718 case TARGET_NR_fstatfs:
56c8f68f 6719 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 6720 goto convert_statfs;
56c8f68f
FB		 6721#ifdef TARGET_NR_statfs64
6722 case TARGET_NR_statfs64:
579a97f7
FB		 6723 if (!(p = lock_user_string(arg1)))
6724 goto efault;
53a5960a
PB		 6725 ret = get_errno(statfs(path(p), &stfs));
6726 unlock_user(p, arg1, 0);
56c8f68f
FB		 6727 convert_statfs64:
6728 if (!is_error(ret)) {
53a5960a 6729 struct target_statfs64 *target_stfs;
3b46e624 6730
579a97f7
FB		 6731 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
6732 goto efault;
6733 __put_user(stfs.f_type, &target_stfs->f_type);
6734 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6735 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6736 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6737 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6738 __put_user(stfs.f_files, &target_stfs->f_files);
6739 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6740 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6741 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6742 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 6743 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
6744 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
579a97f7 6745 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 6746 }
6747 break;
6748 case TARGET_NR_fstatfs64:
6749 ret = get_errno(fstatfs(arg1, &stfs));
6750 goto convert_statfs64;
6751#endif
ebc05488 6752#ifdef TARGET_NR_ioperm
31e31b8a
FB		 6753 case TARGET_NR_ioperm:
6754 goto unimplemented;
ebc05488 6755#endif
e5febef5 6756#ifdef TARGET_NR_socketcall
31e31b8a 6757 case TARGET_NR_socketcall:
53a5960a 6758 ret = do_socketcall(arg1, arg2);
31e31b8a 6759 break;
e5febef5 6760#endif
3532fa74
FB		 6761#ifdef TARGET_NR_accept
6762 case TARGET_NR_accept:
a94b4987
PM		 6763 ret = do_accept4(arg1, arg2, arg3, 0);
6764 break;
6765#endif
6766#ifdef TARGET_NR_accept4
6767 case TARGET_NR_accept4:
6768#ifdef CONFIG_ACCEPT4
6769 ret = do_accept4(arg1, arg2, arg3, arg4);
6770#else
6771 goto unimplemented;
6772#endif
3532fa74
FB		 6773 break;
6774#endif
6775#ifdef TARGET_NR_bind
6776 case TARGET_NR_bind:
6777 ret = do_bind(arg1, arg2, arg3);
6778 break;
6779#endif
6780#ifdef TARGET_NR_connect
6781 case TARGET_NR_connect:
6782 ret = do_connect(arg1, arg2, arg3);
6783 break;
6784#endif
6785#ifdef TARGET_NR_getpeername
6786 case TARGET_NR_getpeername:
1be9e1dc 6787 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 6788 break;
6789#endif
6790#ifdef TARGET_NR_getsockname
6791 case TARGET_NR_getsockname:
1be9e1dc 6792 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 6793 break;
6794#endif
6795#ifdef TARGET_NR_getsockopt
6796 case TARGET_NR_getsockopt:
6797 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
6798 break;
6799#endif
6800#ifdef TARGET_NR_listen
6801 case TARGET_NR_listen:
1be9e1dc 6802 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 6803 break;
6804#endif
6805#ifdef TARGET_NR_recv
6806 case TARGET_NR_recv:
214201bd 6807 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6808 break;
6809#endif
6810#ifdef TARGET_NR_recvfrom
6811 case TARGET_NR_recvfrom:
214201bd 6812 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6813 break;
6814#endif
6815#ifdef TARGET_NR_recvmsg
6816 case TARGET_NR_recvmsg:
6817 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
6818 break;
6819#endif
6820#ifdef TARGET_NR_send
6821 case TARGET_NR_send:
1be9e1dc 6822 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6823 break;
6824#endif
6825#ifdef TARGET_NR_sendmsg
6826 case TARGET_NR_sendmsg:
6827 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
6828 break;
6829#endif
f19e00d7
AG		 6830#ifdef TARGET_NR_sendmmsg
6831 case TARGET_NR_sendmmsg:
6832 ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1);
6833 break;
6834 case TARGET_NR_recvmmsg:
6835 ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0);
6836 break;
6837#endif
3532fa74
FB		 6838#ifdef TARGET_NR_sendto
6839 case TARGET_NR_sendto:
1be9e1dc 6840 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6841 break;
6842#endif
6843#ifdef TARGET_NR_shutdown
6844 case TARGET_NR_shutdown:
1be9e1dc 6845 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 6846 break;
6847#endif
6848#ifdef TARGET_NR_socket
6849 case TARGET_NR_socket:
6850 ret = do_socket(arg1, arg2, arg3);
6851 break;
6852#endif
6853#ifdef TARGET_NR_socketpair
6854 case TARGET_NR_socketpair:
1be9e1dc 6855 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 6856 break;
6857#endif
6858#ifdef TARGET_NR_setsockopt
6859 case TARGET_NR_setsockopt:
6860 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
6861 break;
6862#endif
7494b0f9 6863
31e31b8a 6864 case TARGET_NR_syslog:
579a97f7
FB		 6865 if (!(p = lock_user_string(arg2)))
6866 goto efault;
e5574487
TS		 6867 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
6868 unlock_user(p, arg2, 0);
7494b0f9
TS		 6869 break;
6870
31e31b8a 6871 case TARGET_NR_setitimer:
66fb9763 6872 {
66fb9763
FB		 6873 struct itimerval value, ovalue, *pvalue;
6874
53a5960a 6875 if (arg2) {
66fb9763 6876 pvalue = &value;
788f5ec4
TS		 6877 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
6878 || copy_from_user_timeval(&pvalue->it_value,
6879 arg2 + sizeof(struct target_timeval)))
6880 goto efault;
66fb9763
FB		 6881 } else {
6882 pvalue = NULL;
6883 }
6884 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 6885 if (!is_error(ret) && arg3) {
788f5ec4
TS		 6886 if (copy_to_user_timeval(arg3,
6887 &ovalue.it_interval)
6888 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
6889 &ovalue.it_value))
6890 goto efault;
66fb9763
FB		 6891 }
6892 }
6893 break;
31e31b8a 6894 case TARGET_NR_getitimer:
66fb9763 6895 {
66fb9763 6896 struct itimerval value;
3b46e624 6897
66fb9763 6898 ret = get_errno(getitimer(arg1, &value));
53a5960a 6899 if (!is_error(ret) && arg2) {
788f5ec4
TS		 6900 if (copy_to_user_timeval(arg2,
6901 &value.it_interval)
6902 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
6903 &value.it_value))
6904 goto efault;
66fb9763
FB		 6905 }
6906 }
6907 break;
31e31b8a 6908 case TARGET_NR_stat:
579a97f7
FB		 6909 if (!(p = lock_user_string(arg1)))
6910 goto efault;
53a5960a
PB		 6911 ret = get_errno(stat(path(p), &st));
6912 unlock_user(p, arg1, 0);
31e31b8a
FB		 6913 goto do_stat;
6914 case TARGET_NR_lstat:
579a97f7
FB		 6915 if (!(p = lock_user_string(arg1)))
6916 goto efault;
53a5960a
PB		 6917 ret = get_errno(lstat(path(p), &st));
6918 unlock_user(p, arg1, 0);
31e31b8a
FB		 6919 goto do_stat;
6920 case TARGET_NR_fstat:
6921 {
6922 ret = get_errno(fstat(arg1, &st));
6923 do_stat:
6924 if (!is_error(ret)) {
53a5960a 6925 struct target_stat *target_st;
e3584658 6926
579a97f7
FB		 6927 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
6928 goto efault;
12727917 6929 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 6930 __put_user(st.st_dev, &target_st->st_dev);
6931 __put_user(st.st_ino, &target_st->st_ino);
6932 __put_user(st.st_mode, &target_st->st_mode);
6933 __put_user(st.st_uid, &target_st->st_uid);
6934 __put_user(st.st_gid, &target_st->st_gid);
6935 __put_user(st.st_nlink, &target_st->st_nlink);
6936 __put_user(st.st_rdev, &target_st->st_rdev);
6937 __put_user(st.st_size, &target_st->st_size);
6938 __put_user(st.st_blksize, &target_st->st_blksize);
6939 __put_user(st.st_blocks, &target_st->st_blocks);
6940 __put_user(st.st_atime, &target_st->target_st_atime);
6941 __put_user(st.st_mtime, &target_st->target_st_mtime);
6942 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 6943 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 6944 }
6945 }
6946 break;
ebc05488 6947#ifdef TARGET_NR_olduname
31e31b8a
FB		 6948 case TARGET_NR_olduname:
6949 goto unimplemented;
ebc05488
FB		 6950#endif
6951#ifdef TARGET_NR_iopl
31e31b8a
FB		 6952 case TARGET_NR_iopl:
6953 goto unimplemented;
ebc05488 6954#endif
31e31b8a
FB		 6955 case TARGET_NR_vhangup:
6956 ret = get_errno(vhangup());
6957 break;
ebc05488 6958#ifdef TARGET_NR_idle
31e31b8a
FB		 6959 case TARGET_NR_idle:
6960 goto unimplemented;
42ad6ae9
FB		 6961#endif
6962#ifdef TARGET_NR_syscall
6963 case TARGET_NR_syscall:
5945cfcb
PM		 6964 ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
6965 arg6, arg7, arg8, 0);
6966 break;
ebc05488 6967#endif
31e31b8a
FB		 6968 case TARGET_NR_wait4:
6969 {
6970 int status;
992f48a0 6971 abi_long status_ptr = arg2;
31e31b8a 6972 struct rusage rusage, *rusage_ptr;
992f48a0 6973 abi_ulong target_rusage = arg4;
31e31b8a
FB		 6974 if (target_rusage)
6975 rusage_ptr = &rusage;
6976 else
6977 rusage_ptr = NULL;
6978 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
6979 if (!is_error(ret)) {
5379557b 6980 if (status_ptr && ret) {
1d9d8b55 6981 status = host_to_target_waitstatus(status);
2f619698
FB		 6982 if (put_user_s32(status, status_ptr))
6983 goto efault;
31e31b8a 6984 }
2f619698
FB		 6985 if (target_rusage)
6986 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 6987 }
6988 }
6989 break;
e5febef5 6990#ifdef TARGET_NR_swapoff
31e31b8a 6991 case TARGET_NR_swapoff:
579a97f7
FB		 6992 if (!(p = lock_user_string(arg1)))
6993 goto efault;
53a5960a
PB		 6994 ret = get_errno(swapoff(p));
6995 unlock_user(p, arg1, 0);
31e31b8a 6996 break;
e5febef5 6997#endif
31e31b8a 6998 case TARGET_NR_sysinfo:
a5448a7d 6999 {
53a5960a 7000 struct target_sysinfo *target_value;
a5448a7d
FB		 7001 struct sysinfo value;
7002 ret = get_errno(sysinfo(&value));
53a5960a 7003 if (!is_error(ret) && arg1)
a5448a7d 7004 {
579a97f7
FB		 7005 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
7006 goto efault;
a5448a7d
FB		 7007 __put_user(value.uptime, &target_value->uptime);
7008 __put_user(value.loads[0], &target_value->loads[0]);
7009 __put_user(value.loads[1], &target_value->loads[1]);
7010 __put_user(value.loads[2], &target_value->loads[2]);
7011 __put_user(value.totalram, &target_value->totalram);
7012 __put_user(value.freeram, &target_value->freeram);
7013 __put_user(value.sharedram, &target_value->sharedram);
7014 __put_user(value.bufferram, &target_value->bufferram);
7015 __put_user(value.totalswap, &target_value->totalswap);
7016 __put_user(value.freeswap, &target_value->freeswap);
7017 __put_user(value.procs, &target_value->procs);
7018 __put_user(value.totalhigh, &target_value->totalhigh);
7019 __put_user(value.freehigh, &target_value->freehigh);
7020 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 7021 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 7022 }
7023 }
7024 break;
e5febef5 7025#ifdef TARGET_NR_ipc
31e31b8a 7026 case TARGET_NR_ipc:
8853f86e
FB		 7027 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
7028 break;
e5febef5 7029#endif
e5289087
AJ		 7030#ifdef TARGET_NR_semget
7031 case TARGET_NR_semget:
7032 ret = get_errno(semget(arg1, arg2, arg3));
7033 break;
7034#endif
7035#ifdef TARGET_NR_semop
7036 case TARGET_NR_semop:
c7128c9f 7037 ret = do_semop(arg1, arg2, arg3);
e5289087
AJ		 7038 break;
7039#endif
7040#ifdef TARGET_NR_semctl
7041 case TARGET_NR_semctl:
7042 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
7043 break;
7044#endif
eeb438c1
AJ		 7045#ifdef TARGET_NR_msgctl
7046 case TARGET_NR_msgctl:
7047 ret = do_msgctl(arg1, arg2, arg3);
7048 break;
7049#endif
7050#ifdef TARGET_NR_msgget
7051 case TARGET_NR_msgget:
7052 ret = get_errno(msgget(arg1, arg2));
7053 break;
7054#endif
7055#ifdef TARGET_NR_msgrcv
7056 case TARGET_NR_msgrcv:
7057 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
7058 break;
7059#endif
7060#ifdef TARGET_NR_msgsnd
7061 case TARGET_NR_msgsnd:
7062 ret = do_msgsnd(arg1, arg2, arg3, arg4);
7063 break;
88a8c984
RV		 7064#endif
7065#ifdef TARGET_NR_shmget
7066 case TARGET_NR_shmget:
7067 ret = get_errno(shmget(arg1, arg2, arg3));
7068 break;
7069#endif
7070#ifdef TARGET_NR_shmctl
7071 case TARGET_NR_shmctl:
7072 ret = do_shmctl(arg1, arg2, arg3);
7073 break;
7074#endif
7075#ifdef TARGET_NR_shmat
7076 case TARGET_NR_shmat:
7077 ret = do_shmat(arg1, arg2, arg3);
7078 break;
7079#endif
7080#ifdef TARGET_NR_shmdt
7081 case TARGET_NR_shmdt:
7082 ret = do_shmdt(arg1);
7083 break;
eeb438c1 7084#endif
31e31b8a
FB		 7085 case TARGET_NR_fsync:
7086 ret = get_errno(fsync(arg1));
7087 break;
31e31b8a 7088 case TARGET_NR_clone:
4ce6243d
PM		 7089 /* Linux manages to have three different orderings for its
7090 * arguments to clone(); the BACKWARDS and BACKWARDS2 defines
7091 * match the kernel's CONFIG_CLONE_* settings.
7092 * Microblaze is further special in that it uses a sixth
7093 * implicit argument to clone for the TLS pointer.
7094 */
7095#if defined(TARGET_MICROBLAZE)
a5b3bdcb 7096 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
4ce6243d
PM		 7097#elif defined(TARGET_CLONE_BACKWARDS)
7098 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
7099#elif defined(TARGET_CLONE_BACKWARDS2)
a4c075f1 7100 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
0b6d3ae0 7101#else
4ce6243d 7102 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
0b6d3ae0 7103#endif
1b6b029e 7104 break;
ec86b0fb
FB		 7105#ifdef __NR_exit_group
7106 /* new thread calls */
7107 case TARGET_NR_exit_group:
9788c9ca 7108#ifdef TARGET_GPROF
6d946cda
AJ		 7109 _mcleanup();
7110#endif
e9009676 7111 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 7112 ret = get_errno(exit_group(arg1));
7113 break;
7114#endif
31e31b8a 7115 case TARGET_NR_setdomainname:
579a97f7
FB		 7116 if (!(p = lock_user_string(arg1)))
7117 goto efault;
53a5960a
PB		 7118 ret = get_errno(setdomainname(p, arg2));
7119 unlock_user(p, arg1, 0);
31e31b8a
FB		 7120 break;
7121 case TARGET_NR_uname:
7122 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 7123 {
7124 struct new_utsname * buf;
3b46e624 7125
579a97f7
FB		 7126 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
7127 goto efault;
29e619b1
FB		 7128 ret = get_errno(sys_uname(buf));
7129 if (!is_error(ret)) {
7130 /* Overrite the native machine name with whatever is being
7131 emulated. */
da79030f 7132 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 7133 /* Allow the user to override the reported release. */
7134 if (qemu_uname_release && *qemu_uname_release)
7135 strcpy (buf->release, qemu_uname_release);
29e619b1 7136 }
53a5960a 7137 unlock_user_struct(buf, arg1, 1);
29e619b1 7138 }
31e31b8a 7139 break;
6dbad63e 7140#ifdef TARGET_I386
31e31b8a 7141 case TARGET_NR_modify_ldt:
03acab66 7142 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 7143 break;
84409ddb 7144#if !defined(TARGET_X86_64)
5cd4393b
FB		 7145 case TARGET_NR_vm86old:
7146 goto unimplemented;
7147 case TARGET_NR_vm86:
53a5960a 7148 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 7149 break;
84409ddb 7150#endif
6dbad63e 7151#endif
31e31b8a
FB		 7152 case TARGET_NR_adjtimex:
7153 goto unimplemented;
e5febef5 7154#ifdef TARGET_NR_create_module
31e31b8a 7155 case TARGET_NR_create_module:
e5febef5 7156#endif
31e31b8a
FB		 7157 case TARGET_NR_init_module:
7158 case TARGET_NR_delete_module:
e5febef5 7159#ifdef TARGET_NR_get_kernel_syms
31e31b8a 7160 case TARGET_NR_get_kernel_syms:
e5febef5 7161#endif
31e31b8a
FB		 7162 goto unimplemented;
7163 case TARGET_NR_quotactl:
7164 goto unimplemented;
7165 case TARGET_NR_getpgid:
7166 ret = get_errno(getpgid(arg1));
7167 break;
7168 case TARGET_NR_fchdir:
7169 ret = get_errno(fchdir(arg1));
7170 break;
84409ddb 7171#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 7172 case TARGET_NR_bdflush:
7173 goto unimplemented;
84409ddb 7174#endif
e5febef5 7175#ifdef TARGET_NR_sysfs
31e31b8a
FB		 7176 case TARGET_NR_sysfs:
7177 goto unimplemented;
e5febef5 7178#endif
31e31b8a 7179 case TARGET_NR_personality:
1b6b029e 7180 ret = get_errno(personality(arg1));
31e31b8a 7181 break;
e5febef5 7182#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 7183 case TARGET_NR_afs_syscall:
7184 goto unimplemented;
e5febef5 7185#endif
7a3148a9 7186#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 7187 case TARGET_NR__llseek:
7188 {
0c1592d9 7189 int64_t res;
d35b261c 7190#if !defined(__NR_llseek)
0c1592d9
PM		 7191 res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
7192 if (res == -1) {
7193 ret = get_errno(res);
7194 } else {
7195 ret = 0;
7196 }
4f2ac237 7197#else
31e31b8a 7198 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4f2ac237 7199#endif
0c1592d9
PM		 7200 if ((ret == 0) && put_user_s64(res, arg4)) {
7201 goto efault;
7202 }
31e31b8a
FB		 7203 }
7204 break;
7a3148a9 7205#endif
31e31b8a 7206 case TARGET_NR_getdents:
3307e236 7207#ifdef __NR_getdents
d83c8733 7208#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 7209 {
53a5960a 7210 struct target_dirent *target_dirp;
6556a833 7211 struct linux_dirent *dirp;
992f48a0 7212 abi_long count = arg3;
4add45b4
FB		 7213
7214 dirp = malloc(count);
0da46a6e 7215 if (!dirp) {
579a97f7 7216 ret = -TARGET_ENOMEM;
0da46a6e
TS		 7217 goto fail;
7218 }
3b46e624 7219
4add45b4
FB		 7220 ret = get_errno(sys_getdents(arg1, dirp, count));
7221 if (!is_error(ret)) {
6556a833 7222 struct linux_dirent *de;
4add45b4
FB		 7223 struct target_dirent *tde;
7224 int len = ret;
7225 int reclen, treclen;
7226 int count1, tnamelen;
7227
7228 count1 = 0;
7229 de = dirp;
579a97f7
FB		 7230 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7231 goto efault;
4add45b4
FB		 7232 tde = target_dirp;
7233 while (len > 0) {
7234 reclen = de->d_reclen;
333858b7
DL		 7235 tnamelen = reclen - offsetof(struct linux_dirent, d_name);
7236 assert(tnamelen >= 0);
7237 treclen = tnamelen + offsetof(struct target_dirent, d_name);
7238 assert(count1 + treclen <= count);
4add45b4 7239 tde->d_reclen = tswap16(treclen);
cbb21eed
MB		 7240 tde->d_ino = tswapal(de->d_ino);
7241 tde->d_off = tswapal(de->d_off);
333858b7 7242 memcpy(tde->d_name, de->d_name, tnamelen);
6556a833 7243 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 7244 len -= reclen;
1c5bf3bf 7245 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 7246 count1 += treclen;
7247 }
7248 ret = count1;
579a97f7 7249 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 7250 }
7251 free(dirp);
7252 }
7253#else
31e31b8a 7254 {
6556a833 7255 struct linux_dirent *dirp;
992f48a0 7256 abi_long count = arg3;
dab2ed99 7257
579a97f7
FB		 7258 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7259 goto efault;
72f03900 7260 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 7261 if (!is_error(ret)) {
6556a833 7262 struct linux_dirent *de;
31e31b8a
FB		 7263 int len = ret;
7264 int reclen;
7265 de = dirp;
7266 while (len > 0) {
8083a3e5 7267 reclen = de->d_reclen;
31e31b8a
FB		 7268 if (reclen > len)
7269 break;
8083a3e5 7270 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 7271 tswapls(&de->d_ino);
7272 tswapls(&de->d_off);
6556a833 7273 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 7274 len -= reclen;
7275 }
7276 }
53a5960a 7277 unlock_user(dirp, arg2, ret);
3307e236
PM		 7278 }
7279#endif
7280#else
7281 /* Implement getdents in terms of getdents64 */
7282 {
7283 struct linux_dirent64 *dirp;
7284 abi_long count = arg3;
7285
7286 dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
7287 if (!dirp) {
7288 goto efault;
7289 }
7290 ret = get_errno(sys_getdents64(arg1, dirp, count));
7291 if (!is_error(ret)) {
7292 /* Convert the dirent64 structs to target dirent. We do this
7293 * in-place, since we can guarantee that a target_dirent is no
7294 * larger than a dirent64; however this means we have to be
7295 * careful to read everything before writing in the new format.
7296 */
7297 struct linux_dirent64 *de;
7298 struct target_dirent *tde;
7299 int len = ret;
7300 int tlen = 0;
7301
7302 de = dirp;
7303 tde = (struct target_dirent *)dirp;
7304 while (len > 0) {
7305 int namelen, treclen;
7306 int reclen = de->d_reclen;
7307 uint64_t ino = de->d_ino;
7308 int64_t off = de->d_off;
7309 uint8_t type = de->d_type;
7310
7311 namelen = strlen(de->d_name);
7312 treclen = offsetof(struct target_dirent, d_name)
7313 + namelen + 2;
7314 treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long));
7315
7316 memmove(tde->d_name, de->d_name, namelen + 1);
7317 tde->d_ino = tswapal(ino);
7318 tde->d_off = tswapal(off);
7319 tde->d_reclen = tswap16(treclen);
7320 /* The target_dirent type is in what was formerly a padding
7321 * byte at the end of the structure:
7322 */
7323 *(((char *)tde) + treclen - 1) = type;
7324
7325 de = (struct linux_dirent64 *)((char *)de + reclen);
7326 tde = (struct target_dirent *)((char *)tde + treclen);
7327 len -= reclen;
7328 tlen += treclen;
7329 }
7330 ret = tlen;
7331 }
7332 unlock_user(dirp, arg2, ret);
31e31b8a 7333 }
4add45b4 7334#endif
31e31b8a 7335 break;
3ae43202 7336#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 7337 case TARGET_NR_getdents64:
7338 {
6556a833 7339 struct linux_dirent64 *dirp;
992f48a0 7340 abi_long count = arg3;
579a97f7
FB		 7341 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7342 goto efault;
dab2ed99
FB		 7343 ret = get_errno(sys_getdents64(arg1, dirp, count));
7344 if (!is_error(ret)) {
6556a833 7345 struct linux_dirent64 *de;
dab2ed99
FB		 7346 int len = ret;
7347 int reclen;
7348 de = dirp;
7349 while (len > 0) {
8083a3e5 7350 reclen = de->d_reclen;
dab2ed99
FB		 7351 if (reclen > len)
7352 break;
8083a3e5 7353 de->d_reclen = tswap16(reclen);
8582a53a
FB		 7354 tswap64s((uint64_t *)&de->d_ino);
7355 tswap64s((uint64_t *)&de->d_off);
6556a833 7356 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 7357 len -= reclen;
7358 }
7359 }
53a5960a 7360 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 7361 }
7362 break;
a541f297 7363#endif /* TARGET_NR_getdents64 */
9468a5d4 7364#if defined(TARGET_NR__newselect)
31e31b8a 7365 case TARGET_NR__newselect:
53a5960a 7366 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 7367 break;
e5febef5 7368#endif
d8035d4c
MF		 7369#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
7370# ifdef TARGET_NR_poll
9de5e440 7371 case TARGET_NR_poll:
d8035d4c
MF		 7372# endif
7373# ifdef TARGET_NR_ppoll
7374 case TARGET_NR_ppoll:
7375# endif
9de5e440 7376 {
53a5960a 7377 struct target_pollfd *target_pfd;
9de5e440
FB		 7378 unsigned int nfds = arg2;
7379 int timeout = arg3;
7380 struct pollfd *pfd;
7854b056 7381 unsigned int i;
9de5e440 7382
579a97f7
FB		 7383 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
7384 if (!target_pfd)
7385 goto efault;
d8035d4c 7386
9de5e440
FB		 7387 pfd = alloca(sizeof(struct pollfd) * nfds);
7388 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 7389 pfd[i].fd = tswap32(target_pfd[i].fd);
7390 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440 7391 }
d8035d4c
MF		 7392
7393# ifdef TARGET_NR_ppoll
7394 if (num == TARGET_NR_ppoll) {
7395 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
7396 target_sigset_t *target_set;
7397 sigset_t _set, *set = &_set;
7398
7399 if (arg3) {
7400 if (target_to_host_timespec(timeout_ts, arg3)) {
7401 unlock_user(target_pfd, arg1, 0);
7402 goto efault;
7403 }
7404 } else {
7405 timeout_ts = NULL;
7406 }
7407
7408 if (arg4) {
7409 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
7410 if (!target_set) {
7411 unlock_user(target_pfd, arg1, 0);
7412 goto efault;
7413 }
7414 target_to_host_sigset(set, target_set);
7415 } else {
7416 set = NULL;
7417 }
7418
7419 ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
7420
7421 if (!is_error(ret) && arg3) {
7422 host_to_target_timespec(arg3, timeout_ts);
7423 }
7424 if (arg4) {
7425 unlock_user(target_set, arg4, 0);
7426 }
7427 } else
7428# endif
7429 ret = get_errno(poll(pfd, nfds, timeout));
7430
9de5e440
FB		 7431 if (!is_error(ret)) {
7432 for(i = 0; i < nfds; i++) {
5cd4393b 7433 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 7434 }
7435 }
30cb4cde 7436 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9de5e440
FB		 7437 }
7438 break;
e5febef5 7439#endif
31e31b8a 7440 case TARGET_NR_flock:
9de5e440
FB		 7441 /* NOTE: the flock constant seems to be the same for every
7442 Linux platform */
7443 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 7444 break;
7445 case TARGET_NR_readv:
7446 {
f287b2c2
RH		 7447 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
7448 if (vec != NULL) {
7449 ret = get_errno(readv(arg1, vec, arg3));
7450 unlock_iovec(vec, arg2, arg3, 1);
7451 } else {
7452 ret = -host_to_target_errno(errno);
7453 }
31e31b8a
FB		 7454 }
7455 break;
7456 case TARGET_NR_writev:
7457 {
f287b2c2
RH		 7458 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
7459 if (vec != NULL) {
7460 ret = get_errno(writev(arg1, vec, arg3));
7461 unlock_iovec(vec, arg2, arg3, 0);
7462 } else {
7463 ret = -host_to_target_errno(errno);
7464 }
31e31b8a
FB		 7465 }
7466 break;
7467 case TARGET_NR_getsid:
7468 ret = get_errno(getsid(arg1));
7469 break;
7a3148a9 7470#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 7471 case TARGET_NR_fdatasync:
5cd4393b
FB		 7472 ret = get_errno(fdatasync(arg1));
7473 break;
7a3148a9 7474#endif
31e31b8a 7475 case TARGET_NR__sysctl:
0da46a6e 7476 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 7477 return value. */
0da46a6e
TS		 7478 ret = -TARGET_ENOTDIR;
7479 break;
737de1d1
MF		 7480 case TARGET_NR_sched_getaffinity:
7481 {
7482 unsigned int mask_size;
7483 unsigned long *mask;
7484
7485 /*
7486 * sched_getaffinity needs multiples of ulong, so need to take
7487 * care of mismatches between target ulong and host ulong sizes.
7488 */
7489 if (arg2 & (sizeof(abi_ulong) - 1)) {
7490 ret = -TARGET_EINVAL;
7491 break;
7492 }
7493 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7494
7495 mask = alloca(mask_size);
7496 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
7497
7498 if (!is_error(ret)) {
cd18f05e 7499 if (copy_to_user(arg3, mask, ret)) {
737de1d1
MF		 7500 goto efault;
7501 }
737de1d1
MF		 7502 }
7503 }
7504 break;
7505 case TARGET_NR_sched_setaffinity:
7506 {
7507 unsigned int mask_size;
7508 unsigned long *mask;
7509
7510 /*
7511 * sched_setaffinity needs multiples of ulong, so need to take
7512 * care of mismatches between target ulong and host ulong sizes.
7513 */
7514 if (arg2 & (sizeof(abi_ulong) - 1)) {
7515 ret = -TARGET_EINVAL;
7516 break;
7517 }
7518 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7519
7520 mask = alloca(mask_size);
7521 if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
7522 goto efault;
7523 }
7524 memcpy(mask, p, arg2);
7525 unlock_user_struct(p, arg2, 0);
7526
7527 ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
7528 }
7529 break;
31e31b8a 7530 case TARGET_NR_sched_setparam:
5cd4393b 7531 {
53a5960a 7532 struct sched_param *target_schp;
5cd4393b 7533 struct sched_param schp;
53a5960a 7534
579a97f7
FB		 7535 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
7536 goto efault;
5cd4393b 7537 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7538 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 7539 ret = get_errno(sched_setparam(arg1, &schp));
7540 }
7541 break;
31e31b8a 7542 case TARGET_NR_sched_getparam:
5cd4393b 7543 {
53a5960a 7544 struct sched_param *target_schp;
5cd4393b
FB		 7545 struct sched_param schp;
7546 ret = get_errno(sched_getparam(arg1, &schp));
7547 if (!is_error(ret)) {
579a97f7
FB		 7548 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
7549 goto efault;
5cd4393b 7550 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 7551 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 7552 }
7553 }
7554 break;
31e31b8a 7555 case TARGET_NR_sched_setscheduler:
5cd4393b 7556 {
53a5960a 7557 struct sched_param *target_schp;
5cd4393b 7558 struct sched_param schp;
579a97f7
FB		 7559 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
7560 goto efault;
5cd4393b 7561 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7562 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 7563 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
7564 }
7565 break;
31e31b8a 7566 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 7567 ret = get_errno(sched_getscheduler(arg1));
7568 break;
31e31b8a
FB		 7569 case TARGET_NR_sched_yield:
7570 ret = get_errno(sched_yield());
7571 break;
7572 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 7573 ret = get_errno(sched_get_priority_max(arg1));
7574 break;
31e31b8a 7575 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 7576 ret = get_errno(sched_get_priority_min(arg1));
7577 break;
31e31b8a 7578 case TARGET_NR_sched_rr_get_interval:
5cd4393b 7579 {
5cd4393b
FB		 7580 struct timespec ts;
7581 ret = get_errno(sched_rr_get_interval(arg1, &ts));
7582 if (!is_error(ret)) {
53a5960a 7583 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 7584 }
7585 }
7586 break;
31e31b8a 7587 case TARGET_NR_nanosleep:
1b6b029e 7588 {
1b6b029e 7589 struct timespec req, rem;
53a5960a 7590 target_to_host_timespec(&req, arg1);
1b6b029e 7591 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 7592 if (is_error(ret) && arg2) {
7593 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 7594 }
7595 }
7596 break;
e5febef5 7597#ifdef TARGET_NR_query_module
31e31b8a 7598 case TARGET_NR_query_module:
5cd4393b 7599 goto unimplemented;
e5febef5
TS		 7600#endif
7601#ifdef TARGET_NR_nfsservctl
31e31b8a 7602 case TARGET_NR_nfsservctl:
5cd4393b 7603 goto unimplemented;
e5febef5 7604#endif
31e31b8a 7605 case TARGET_NR_prctl:
1e6722f8
PM		 7606 switch (arg1) {
7607 case PR_GET_PDEATHSIG:
7608 {
7609 int deathsig;
7610 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
7611 if (!is_error(ret) && arg2
7612 && put_user_ual(deathsig, arg2)) {
7613 goto efault;
e5574487 7614 }
1e6722f8
PM		 7615 break;
7616 }
db9526b1
PM		 7617#ifdef PR_GET_NAME
7618 case PR_GET_NAME:
7619 {
7620 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
7621 if (!name) {
7622 goto efault;
7623 }
7624 ret = get_errno(prctl(arg1, (unsigned long)name,
7625 arg3, arg4, arg5));
7626 unlock_user(name, arg2, 16);
7627 break;
7628 }
7629 case PR_SET_NAME:
7630 {
7631 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
7632 if (!name) {
7633 goto efault;
7634 }
7635 ret = get_errno(prctl(arg1, (unsigned long)name,
7636 arg3, arg4, arg5));
7637 unlock_user(name, arg2, 0);
7638 break;
7639 }
7640#endif
1e6722f8
PM		 7641 default:
7642 /* Most prctl options have no pointer arguments */
7643 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
7644 break;
7645 }
39b9aae1 7646 break;
d2fd1af7
FB		 7647#ifdef TARGET_NR_arch_prctl
7648 case TARGET_NR_arch_prctl:
7649#if defined(TARGET_I386) && !defined(TARGET_ABI32)
7650 ret = do_arch_prctl(cpu_env, arg1, arg2);
7651 break;
7652#else
7653 goto unimplemented;
7654#endif
7655#endif
f2c7ba15
AJ		 7656#ifdef TARGET_NR_pread64
7657 case TARGET_NR_pread64:
ae017a5b
AG		 7658 if (regpairs_aligned(cpu_env)) {
7659 arg4 = arg5;
7660 arg5 = arg6;
7661 }
f2c7ba15
AJ		 7662 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7663 goto efault;
7664 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
7665 unlock_user(p, arg2, ret);
7666 break;
7667 case TARGET_NR_pwrite64:
ae017a5b
AG		 7668 if (regpairs_aligned(cpu_env)) {
7669 arg4 = arg5;
7670 arg5 = arg6;
7671 }
f2c7ba15
AJ		 7672 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7673 goto efault;
7674 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
7675 unlock_user(p, arg2, 0);
7676 break;
67867308 7677#endif
31e31b8a 7678 case TARGET_NR_getcwd:
579a97f7
FB		 7679 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
7680 goto efault;
53a5960a
PB		 7681 ret = get_errno(sys_getcwd1(p, arg2));
7682 unlock_user(p, arg1, ret);
31e31b8a
FB		 7683 break;
7684 case TARGET_NR_capget:
7685 case TARGET_NR_capset:
e0eb210e
PM		 7686 {
7687 struct target_user_cap_header *target_header;
7688 struct target_user_cap_data *target_data = NULL;
7689 struct __user_cap_header_struct header;
7690 struct __user_cap_data_struct data[2];
7691 struct __user_cap_data_struct *dataptr = NULL;
7692 int i, target_datalen;
7693 int data_items = 1;
7694
7695 if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
7696 goto efault;
7697 }
7698 header.version = tswap32(target_header->version);
7699 header.pid = tswap32(target_header->pid);
7700
7701 if (header.version != _LINUX_CAPABILITY_VERSION_1) {
7702 /* Version 2 and up takes pointer to two user_data structs */
7703 data_items = 2;
7704 }
7705
7706 target_datalen = sizeof(*target_data) * data_items;
7707
7708 if (arg2) {
7709 if (num == TARGET_NR_capget) {
7710 target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0);
7711 } else {
7712 target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1);
7713 }
7714 if (!target_data) {
7715 unlock_user_struct(target_header, arg1, 0);
7716 goto efault;
7717 }
7718
7719 if (num == TARGET_NR_capset) {
7720 for (i = 0; i < data_items; i++) {
7721 data[i].effective = tswap32(target_data[i].effective);
7722 data[i].permitted = tswap32(target_data[i].permitted);
7723 data[i].inheritable = tswap32(target_data[i].inheritable);
7724 }
7725 }
7726
7727 dataptr = data;
7728 }
7729
7730 if (num == TARGET_NR_capget) {
7731 ret = get_errno(capget(&header, dataptr));
7732 } else {
7733 ret = get_errno(capset(&header, dataptr));
7734 }
7735
7736 /* The kernel always updates version for both capget and capset */
7737 target_header->version = tswap32(header.version);
7738 unlock_user_struct(target_header, arg1, 1);
7739
7740 if (arg2) {
7741 if (num == TARGET_NR_capget) {
7742 for (i = 0; i < data_items; i++) {
7743 target_data[i].effective = tswap32(data[i].effective);
7744 target_data[i].permitted = tswap32(data[i].permitted);
7745 target_data[i].inheritable = tswap32(data[i].inheritable);
7746 }
7747 unlock_user(target_data, arg2, target_datalen);
7748 } else {
7749 unlock_user(target_data, arg2, 0);
7750 }
7751 }
7752 break;
7753 }
31e31b8a 7754 case TARGET_NR_sigaltstack:
198a74de 7755#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154 7756 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
d962783e 7757 defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC)
9349b4f9 7758 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env));
a04e134a
TS		 7759 break;
7760#else
5cd4393b 7761 goto unimplemented;
a04e134a 7762#endif
a8fd1aba
PM		 7763
7764#ifdef CONFIG_SENDFILE
7765 case TARGET_NR_sendfile:
7766 {
7767 off_t *offp = NULL;
7768 off_t off;
7769 if (arg3) {
7770 ret = get_user_sal(off, arg3);
7771 if (is_error(ret)) {
7772 break;
7773 }
7774 offp = &off;
7775 }
7776 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
7777 if (!is_error(ret) && arg3) {
7778 abi_long ret2 = put_user_sal(off, arg3);
7779 if (is_error(ret2)) {
7780 ret = ret2;
7781 }
7782 }
7783 break;
7784 }
7785#ifdef TARGET_NR_sendfile64
7786 case TARGET_NR_sendfile64:
7787 {
7788 off_t *offp = NULL;
7789 off_t off;
7790 if (arg3) {
7791 ret = get_user_s64(off, arg3);
7792 if (is_error(ret)) {
7793 break;
7794 }
7795 offp = &off;
7796 }
7797 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
7798 if (!is_error(ret) && arg3) {
7799 abi_long ret2 = put_user_s64(off, arg3);
7800 if (is_error(ret2)) {
7801 ret = ret2;
7802 }
7803 }
7804 break;
7805 }
7806#endif
7807#else
31e31b8a 7808 case TARGET_NR_sendfile:
7edd2cf1 7809#ifdef TARGET_NR_sendfile64
a8fd1aba
PM		 7810 case TARGET_NR_sendfile64:
7811#endif
5cd4393b 7812 goto unimplemented;
a8fd1aba
PM		 7813#endif
7814
ebc05488 7815#ifdef TARGET_NR_getpmsg
31e31b8a 7816 case TARGET_NR_getpmsg:
5cd4393b 7817 goto unimplemented;
ebc05488
FB		 7818#endif
7819#ifdef TARGET_NR_putpmsg
31e31b8a 7820 case TARGET_NR_putpmsg:
5cd4393b 7821 goto unimplemented;
ebc05488 7822#endif
048f6b4d 7823#ifdef TARGET_NR_vfork
31e31b8a 7824 case TARGET_NR_vfork:
d865bab5
PB		 7825 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
7826 0, 0, 0, 0));
31e31b8a 7827 break;
048f6b4d 7828#endif
ebc05488 7829#ifdef TARGET_NR_ugetrlimit
31e31b8a 7830 case TARGET_NR_ugetrlimit:
728584be
FB		 7831 {
7832 struct rlimit rlim;
e22b7015
WT		 7833 int resource = target_to_host_resource(arg1);
7834 ret = get_errno(getrlimit(resource, &rlim));
728584be 7835 if (!is_error(ret)) {
53a5960a 7836 struct target_rlimit *target_rlim;
579a97f7
FB		 7837 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
7838 goto efault;
81bbe906
TY		 7839 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
7840 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 7841 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 7842 }
7843 break;
7844 }
ebc05488 7845#endif
a315a145 7846#ifdef TARGET_NR_truncate64
31e31b8a 7847 case TARGET_NR_truncate64:
579a97f7
FB		 7848 if (!(p = lock_user_string(arg1)))
7849 goto efault;
53a5960a
PB		 7850 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
7851 unlock_user(p, arg1, 0);
667f38b1 7852 break;
a315a145
FB		 7853#endif
7854#ifdef TARGET_NR_ftruncate64
31e31b8a 7855 case TARGET_NR_ftruncate64:
ce4defa0 7856 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 7857 break;
a315a145
FB		 7858#endif
7859#ifdef TARGET_NR_stat64
31e31b8a 7860 case TARGET_NR_stat64:
579a97f7
FB		 7861 if (!(p = lock_user_string(arg1)))
7862 goto efault;
53a5960a
PB		 7863 ret = get_errno(stat(path(p), &st));
7864 unlock_user(p, arg1, 0);
6a24a778
AZ		 7865 if (!is_error(ret))
7866 ret = host_to_target_stat64(cpu_env, arg2, &st);
7867 break;
a315a145
FB		 7868#endif
7869#ifdef TARGET_NR_lstat64
31e31b8a 7870 case TARGET_NR_lstat64:
579a97f7
FB		 7871 if (!(p = lock_user_string(arg1)))
7872 goto efault;
53a5960a
PB		 7873 ret = get_errno(lstat(path(p), &st));
7874 unlock_user(p, arg1, 0);
6a24a778
AZ		 7875 if (!is_error(ret))
7876 ret = host_to_target_stat64(cpu_env, arg2, &st);
7877 break;
a315a145
FB		 7878#endif
7879#ifdef TARGET_NR_fstat64
31e31b8a 7880 case TARGET_NR_fstat64:
6a24a778
AZ		 7881 ret = get_errno(fstat(arg1, &st));
7882 if (!is_error(ret))
7883 ret = host_to_target_stat64(cpu_env, arg2, &st);
7884 break;
ce4defa0 7885#endif
c0d472b1 7886#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
9d33b76b 7887#ifdef TARGET_NR_fstatat64
6a24a778 7888 case TARGET_NR_fstatat64:
9d33b76b
AJ		 7889#endif
7890#ifdef TARGET_NR_newfstatat
7891 case TARGET_NR_newfstatat:
7892#endif
6a24a778
AZ		 7893 if (!(p = lock_user_string(arg2)))
7894 goto efault;
c0d472b1 7895 ret = get_errno(fstatat(arg1, path(p), &st, arg4));
6a24a778
AZ		 7896 if (!is_error(ret))
7897 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 7898 break;
a315a145 7899#endif
67867308 7900 case TARGET_NR_lchown:
579a97f7
FB		 7901 if (!(p = lock_user_string(arg1)))
7902 goto efault;
53a5960a
PB		 7903 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
7904 unlock_user(p, arg1, 0);
67867308 7905 break;
0c866a7e 7906#ifdef TARGET_NR_getuid
67867308
FB		 7907 case TARGET_NR_getuid:
7908 ret = get_errno(high2lowuid(getuid()));
7909 break;
0c866a7e
RV		 7910#endif
7911#ifdef TARGET_NR_getgid
67867308
FB		 7912 case TARGET_NR_getgid:
7913 ret = get_errno(high2lowgid(getgid()));
7914 break;
0c866a7e
RV		 7915#endif
7916#ifdef TARGET_NR_geteuid
67867308
FB		 7917 case TARGET_NR_geteuid:
7918 ret = get_errno(high2lowuid(geteuid()));
7919 break;
0c866a7e
RV		 7920#endif
7921#ifdef TARGET_NR_getegid
67867308
FB		 7922 case TARGET_NR_getegid:
7923 ret = get_errno(high2lowgid(getegid()));
7924 break;
0c866a7e 7925#endif
67867308
FB		 7926 case TARGET_NR_setreuid:
7927 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
7928 break;
7929 case TARGET_NR_setregid:
7930 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
7931 break;
7932 case TARGET_NR_getgroups:
7933 {
7934 int gidsetsize = arg1;
0c866a7e 7935 target_id *target_grouplist;
67867308
FB		 7936 gid_t *grouplist;
7937 int i;
7938
7939 grouplist = alloca(gidsetsize * sizeof(gid_t));
7940 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7941 if (gidsetsize == 0)
7942 break;
67867308 7943 if (!is_error(ret)) {
03903ffc 7944 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
579a97f7
FB		 7945 if (!target_grouplist)
7946 goto efault;
a2155fcc 7947 for(i = 0;i < ret; i++)
0c866a7e 7948 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
03903ffc 7949 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
67867308
FB		 7950 }
7951 }
7952 break;
7953 case TARGET_NR_setgroups:
7954 {
7955 int gidsetsize = arg1;
0c866a7e 7956 target_id *target_grouplist;
f2b79ce9 7957 gid_t *grouplist = NULL;
67867308 7958 int i;
f2b79ce9
DA		 7959 if (gidsetsize) {
7960 grouplist = alloca(gidsetsize * sizeof(gid_t));
03903ffc 7961 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
f2b79ce9
DA		 7962 if (!target_grouplist) {
7963 ret = -TARGET_EFAULT;
7964 goto fail;
7965 }
7966 for (i = 0; i < gidsetsize; i++) {
7967 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
7968 }
7969 unlock_user(target_grouplist, arg2, 0);
579a97f7 7970 }
67867308
FB		 7971 ret = get_errno(setgroups(gidsetsize, grouplist));
7972 }
7973 break;
7974 case TARGET_NR_fchown:
7975 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
7976 break;
c0d472b1 7977#if defined(TARGET_NR_fchownat)
ccfa72b7 7978 case TARGET_NR_fchownat:
579a97f7
FB		 7979 if (!(p = lock_user_string(arg2)))
7980 goto efault;
c0d472b1
PM		 7981 ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
7982 low2highgid(arg4), arg5));
579a97f7 7983 unlock_user(p, arg2, 0);
ccfa72b7
TS		 7984 break;
7985#endif
67867308
FB		 7986#ifdef TARGET_NR_setresuid
7987 case TARGET_NR_setresuid:
5fafdf24
TS		 7988 ret = get_errno(setresuid(low2highuid(arg1),
7989 low2highuid(arg2),
67867308
FB		 7990 low2highuid(arg3)));
7991 break;
7992#endif
7993#ifdef TARGET_NR_getresuid
7994 case TARGET_NR_getresuid:
7995 {
53a5960a 7996 uid_t ruid, euid, suid;
67867308
FB		 7997 ret = get_errno(getresuid(&ruid, &euid, &suid));
7998 if (!is_error(ret)) {
76ca310a
PM		 7999 if (put_user_id(high2lowuid(ruid), arg1)
8000 || put_user_id(high2lowuid(euid), arg2)
8001 || put_user_id(high2lowuid(suid), arg3))
2f619698 8002 goto efault;
67867308
FB		 8003 }
8004 }
8005 break;
8006#endif
8007#ifdef TARGET_NR_getresgid
8008 case TARGET_NR_setresgid:
5fafdf24
TS		 8009 ret = get_errno(setresgid(low2highgid(arg1),
8010 low2highgid(arg2),
67867308
FB		 8011 low2highgid(arg3)));
8012 break;
8013#endif
8014#ifdef TARGET_NR_getresgid
8015 case TARGET_NR_getresgid:
8016 {
53a5960a 8017 gid_t rgid, egid, sgid;
67867308
FB		 8018 ret = get_errno(getresgid(&rgid, &egid, &sgid));
8019 if (!is_error(ret)) {
76ca310a
PM		 8020 if (put_user_id(high2lowgid(rgid), arg1)
8021 || put_user_id(high2lowgid(egid), arg2)
8022 || put_user_id(high2lowgid(sgid), arg3))
2f619698 8023 goto efault;
67867308
FB		 8024 }
8025 }
8026 break;
8027#endif
8028 case TARGET_NR_chown:
579a97f7
FB		 8029 if (!(p = lock_user_string(arg1)))
8030 goto efault;
53a5960a
PB		 8031 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
8032 unlock_user(p, arg1, 0);
67867308
FB		 8033 break;
8034 case TARGET_NR_setuid:
8035 ret = get_errno(setuid(low2highuid(arg1)));
8036 break;
8037 case TARGET_NR_setgid:
8038 ret = get_errno(setgid(low2highgid(arg1)));
8039 break;
8040 case TARGET_NR_setfsuid:
8041 ret = get_errno(setfsuid(arg1));
8042 break;
8043 case TARGET_NR_setfsgid:
8044 ret = get_errno(setfsgid(arg1));
8045 break;
67867308 8046
a315a145 8047#ifdef TARGET_NR_lchown32
31e31b8a 8048 case TARGET_NR_lchown32:
579a97f7
FB		 8049 if (!(p = lock_user_string(arg1)))
8050 goto efault;
53a5960a
PB		 8051 ret = get_errno(lchown(p, arg2, arg3));
8052 unlock_user(p, arg1, 0);
b03c60f3 8053 break;
a315a145
FB		 8054#endif
8055#ifdef TARGET_NR_getuid32
31e31b8a 8056 case TARGET_NR_getuid32:
b03c60f3
FB		 8057 ret = get_errno(getuid());
8058 break;
a315a145 8059#endif
64b4d28c
AJ		 8060
8061#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
8062 /* Alpha specific */
8063 case TARGET_NR_getxuid:
ba0e276d
RH		 8064 {
8065 uid_t euid;
8066 euid=geteuid();
8067 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
8068 }
64b4d28c
AJ		 8069 ret = get_errno(getuid());
8070 break;
8071#endif
8072#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
8073 /* Alpha specific */
8074 case TARGET_NR_getxgid:
ba0e276d
RH		 8075 {
8076 uid_t egid;
8077 egid=getegid();
8078 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
8079 }
64b4d28c
AJ		 8080 ret = get_errno(getgid());
8081 break;
8082#endif
ba0e276d
RH		 8083#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
8084 /* Alpha specific */
8085 case TARGET_NR_osf_getsysinfo:
8086 ret = -TARGET_EOPNOTSUPP;
8087 switch (arg1) {
8088 case TARGET_GSI_IEEE_FP_CONTROL:
8089 {
8090 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
8091
8092 /* Copied from linux ieee_fpcr_to_swcr. */
8093 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
8094 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
8095 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
8096 | SWCR_TRAP_ENABLE_DZE
8097 | SWCR_TRAP_ENABLE_OVF);
8098 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
8099 | SWCR_TRAP_ENABLE_INE);
8100 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
8101 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
8102
8103 if (put_user_u64 (swcr, arg2))
8104 goto efault;
8105 ret = 0;
8106 }
8107 break;
8108
8109 /* case GSI_IEEE_STATE_AT_SIGNAL:
8110 -- Not implemented in linux kernel.
8111 case GSI_UACPROC:
8112 -- Retrieves current unaligned access state; not much used.
8113 case GSI_PROC_TYPE:
8114 -- Retrieves implver information; surely not used.
8115 case GSI_GET_HWRPB:
8116 -- Grabs a copy of the HWRPB; surely not used.
8117 */
8118 }
8119 break;
8120#endif
8121#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
8122 /* Alpha specific */
8123 case TARGET_NR_osf_setsysinfo:
8124 ret = -TARGET_EOPNOTSUPP;
8125 switch (arg1) {
8126 case TARGET_SSI_IEEE_FP_CONTROL:
ba0e276d
RH		 8127 {
8128 uint64_t swcr, fpcr, orig_fpcr;
8129
6e06d515 8130 if (get_user_u64 (swcr, arg2)) {
ba0e276d 8131 goto efault;
6e06d515
RH		 8132 }
8133 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d
RH		 8134 fpcr = orig_fpcr & FPCR_DYN_MASK;
8135
8136 /* Copied from linux ieee_swcr_to_fpcr. */
8137 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
8138 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
8139 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
8140 | SWCR_TRAP_ENABLE_DZE
8141 | SWCR_TRAP_ENABLE_OVF)) << 48;
8142 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
8143 | SWCR_TRAP_ENABLE_INE)) << 57;
8144 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
8145 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
8146
6e06d515 8147 cpu_alpha_store_fpcr(cpu_env, fpcr);
ba0e276d 8148 ret = 0;
6e06d515
RH		 8149 }
8150 break;
8151
8152 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
8153 {
8154 uint64_t exc, fpcr, orig_fpcr;
8155 int si_code;
8156
8157 if (get_user_u64(exc, arg2)) {
8158 goto efault;
8159 }
ba0e276d 8160
6e06d515 8161 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d 8162
6e06d515
RH		 8163 /* We only add to the exception status here. */
8164 fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
8165
8166 cpu_alpha_store_fpcr(cpu_env, fpcr);
8167 ret = 0;
8168
8169 /* Old exceptions are not signaled. */
8170 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
8171
8172 /* If any exceptions set by this call,
8173 and are unmasked, send a signal. */
8174 si_code = 0;
8175 if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
8176 si_code = TARGET_FPE_FLTRES;
8177 }
8178 if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
8179 si_code = TARGET_FPE_FLTUND;
8180 }
8181 if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
8182 si_code = TARGET_FPE_FLTOVF;
8183 }
8184 if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
8185 si_code = TARGET_FPE_FLTDIV;
8186 }
8187 if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
8188 si_code = TARGET_FPE_FLTINV;
8189 }
8190 if (si_code != 0) {
8191 target_siginfo_t info;
8192 info.si_signo = SIGFPE;
8193 info.si_errno = 0;
8194 info.si_code = si_code;
8195 info._sifields._sigfault._addr
8196 = ((CPUArchState *)cpu_env)->pc;
8197 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
ba0e276d
RH		 8198 }
8199 }
8200 break;
8201
8202 /* case SSI_NVPAIRS:
8203 -- Used with SSIN_UACPROC to enable unaligned accesses.
8204 case SSI_IEEE_STATE_AT_SIGNAL:
8205 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
8206 -- Not implemented in linux kernel
8207 */
8208 }
8209 break;
8210#endif
8211#ifdef TARGET_NR_osf_sigprocmask
8212 /* Alpha specific. */
8213 case TARGET_NR_osf_sigprocmask:
8214 {
8215 abi_ulong mask;
bc088ba1 8216 int how;
ba0e276d
RH		 8217 sigset_t set, oldset;
8218
8219 switch(arg1) {
8220 case TARGET_SIG_BLOCK:
8221 how = SIG_BLOCK;
8222 break;
8223 case TARGET_SIG_UNBLOCK:
8224 how = SIG_UNBLOCK;
8225 break;
8226 case TARGET_SIG_SETMASK:
8227 how = SIG_SETMASK;
8228 break;
8229 default:
8230 ret = -TARGET_EINVAL;
8231 goto fail;
8232 }
8233 mask = arg2;
8234 target_to_host_old_sigset(&set, &mask);
1c275925 8235 do_sigprocmask(how, &set, &oldset);
ba0e276d
RH		 8236 host_to_target_old_sigset(&mask, &oldset);
8237 ret = mask;
8238 }
8239 break;
8240#endif
64b4d28c 8241
a315a145 8242#ifdef TARGET_NR_getgid32
31e31b8a 8243 case TARGET_NR_getgid32:
b03c60f3
FB		 8244 ret = get_errno(getgid());
8245 break;
a315a145
FB		 8246#endif
8247#ifdef TARGET_NR_geteuid32
31e31b8a 8248 case TARGET_NR_geteuid32:
b03c60f3
FB		 8249 ret = get_errno(geteuid());
8250 break;
a315a145
FB		 8251#endif
8252#ifdef TARGET_NR_getegid32
31e31b8a 8253 case TARGET_NR_getegid32:
b03c60f3
FB		 8254 ret = get_errno(getegid());
8255 break;
a315a145
FB		 8256#endif
8257#ifdef TARGET_NR_setreuid32
31e31b8a 8258 case TARGET_NR_setreuid32:
b03c60f3
FB		 8259 ret = get_errno(setreuid(arg1, arg2));
8260 break;
a315a145
FB		 8261#endif
8262#ifdef TARGET_NR_setregid32
31e31b8a 8263 case TARGET_NR_setregid32:
b03c60f3
FB		 8264 ret = get_errno(setregid(arg1, arg2));
8265 break;
a315a145
FB		 8266#endif
8267#ifdef TARGET_NR_getgroups32
31e31b8a 8268 case TARGET_NR_getgroups32:
99c475ab
FB		 8269 {
8270 int gidsetsize = arg1;
53a5960a 8271 uint32_t *target_grouplist;
99c475ab
FB		 8272 gid_t *grouplist;
8273 int i;
8274
8275 grouplist = alloca(gidsetsize * sizeof(gid_t));
8276 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 8277 if (gidsetsize == 0)
8278 break;
99c475ab 8279 if (!is_error(ret)) {
579a97f7
FB		 8280 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
8281 if (!target_grouplist) {
8282 ret = -TARGET_EFAULT;
8283 goto fail;
8284 }
a2155fcc 8285 for(i = 0;i < ret; i++)
53a5960a
PB		 8286 target_grouplist[i] = tswap32(grouplist[i]);
8287 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 8288 }
8289 }
8290 break;
a315a145
FB		 8291#endif
8292#ifdef TARGET_NR_setgroups32
31e31b8a 8293 case TARGET_NR_setgroups32:
99c475ab
FB		 8294 {
8295 int gidsetsize = arg1;
53a5960a 8296 uint32_t *target_grouplist;
99c475ab
FB		 8297 gid_t *grouplist;
8298 int i;
3b46e624 8299
99c475ab 8300 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 8301 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
8302 if (!target_grouplist) {
8303 ret = -TARGET_EFAULT;
8304 goto fail;
8305 }
99c475ab 8306 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 8307 grouplist[i] = tswap32(target_grouplist[i]);
8308 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 8309 ret = get_errno(setgroups(gidsetsize, grouplist));
8310 }
8311 break;
a315a145
FB		 8312#endif
8313#ifdef TARGET_NR_fchown32
31e31b8a 8314 case TARGET_NR_fchown32:
b03c60f3
FB		 8315 ret = get_errno(fchown(arg1, arg2, arg3));
8316 break;
a315a145
FB		 8317#endif
8318#ifdef TARGET_NR_setresuid32
31e31b8a 8319 case TARGET_NR_setresuid32:
b03c60f3
FB		 8320 ret = get_errno(setresuid(arg1, arg2, arg3));
8321 break;
a315a145
FB		 8322#endif
8323#ifdef TARGET_NR_getresuid32
31e31b8a 8324 case TARGET_NR_getresuid32:
b03c60f3 8325 {
53a5960a 8326 uid_t ruid, euid, suid;
b03c60f3
FB		 8327 ret = get_errno(getresuid(&ruid, &euid, &suid));
8328 if (!is_error(ret)) {
2f619698
FB		 8329 if (put_user_u32(ruid, arg1)
8330 || put_user_u32(euid, arg2)
8331 || put_user_u32(suid, arg3))
8332 goto efault;
b03c60f3
FB		 8333 }
8334 }
8335 break;
a315a145
FB		 8336#endif
8337#ifdef TARGET_NR_setresgid32
31e31b8a 8338 case TARGET_NR_setresgid32:
b03c60f3
FB		 8339 ret = get_errno(setresgid(arg1, arg2, arg3));
8340 break;
a315a145
FB		 8341#endif
8342#ifdef TARGET_NR_getresgid32
31e31b8a 8343 case TARGET_NR_getresgid32:
b03c60f3 8344 {
53a5960a 8345 gid_t rgid, egid, sgid;
b03c60f3
FB		 8346 ret = get_errno(getresgid(&rgid, &egid, &sgid));
8347 if (!is_error(ret)) {
2f619698
FB		 8348 if (put_user_u32(rgid, arg1)
8349 || put_user_u32(egid, arg2)
8350 || put_user_u32(sgid, arg3))
8351 goto efault;
b03c60f3
FB		 8352 }
8353 }
8354 break;
a315a145
FB		 8355#endif
8356#ifdef TARGET_NR_chown32
31e31b8a 8357 case TARGET_NR_chown32:
579a97f7
FB		 8358 if (!(p = lock_user_string(arg1)))
8359 goto efault;
53a5960a
PB		 8360 ret = get_errno(chown(p, arg2, arg3));
8361 unlock_user(p, arg1, 0);
b03c60f3 8362 break;
a315a145
FB		 8363#endif
8364#ifdef TARGET_NR_setuid32
31e31b8a 8365 case TARGET_NR_setuid32:
b03c60f3
FB		 8366 ret = get_errno(setuid(arg1));
8367 break;
a315a145
FB		 8368#endif
8369#ifdef TARGET_NR_setgid32
31e31b8a 8370 case TARGET_NR_setgid32:
b03c60f3
FB		 8371 ret = get_errno(setgid(arg1));
8372 break;
a315a145
FB		 8373#endif
8374#ifdef TARGET_NR_setfsuid32
31e31b8a 8375 case TARGET_NR_setfsuid32:
b03c60f3
FB		 8376 ret = get_errno(setfsuid(arg1));
8377 break;
a315a145
FB		 8378#endif
8379#ifdef TARGET_NR_setfsgid32
31e31b8a 8380 case TARGET_NR_setfsgid32:
b03c60f3
FB		 8381 ret = get_errno(setfsgid(arg1));
8382 break;
a315a145 8383#endif
67867308 8384
31e31b8a 8385 case TARGET_NR_pivot_root:
b03c60f3 8386 goto unimplemented;
ffa65c3b 8387#ifdef TARGET_NR_mincore
31e31b8a 8388 case TARGET_NR_mincore:
04bb9ace
AJ		 8389 {
8390 void *a;
8391 ret = -TARGET_EFAULT;
8392 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
8393 goto efault;
8394 if (!(p = lock_user_string(arg3)))
8395 goto mincore_fail;
8396 ret = get_errno(mincore(a, arg2, p));
8397 unlock_user(p, arg3, ret);
8398 mincore_fail:
8399 unlock_user(a, arg1, 0);
8400 }
8401 break;
ffa65c3b 8402#endif
408321b6
AJ		 8403#ifdef TARGET_NR_arm_fadvise64_64
8404 case TARGET_NR_arm_fadvise64_64:
8405 {
8406 /*
8407 * arm_fadvise64_64 looks like fadvise64_64 but
8408 * with different argument order
8409 */
8410 abi_long temp;
8411 temp = arg3;
8412 arg3 = arg4;
8413 arg4 = temp;
8414 }
8415#endif
e72d2cc7 8416#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 8417#ifdef TARGET_NR_fadvise64_64
8418 case TARGET_NR_fadvise64_64:
8419#endif
e72d2cc7
UH		 8420#ifdef TARGET_NR_fadvise64
8421 case TARGET_NR_fadvise64:
8422#endif
8423#ifdef TARGET_S390X
8424 switch (arg4) {
8425 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
8426 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
8427 case 6: arg4 = POSIX_FADV_DONTNEED; break;
8428 case 7: arg4 = POSIX_FADV_NOREUSE; break;
8429 default: break;
8430 }
8431#endif
8432 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 8433 break;
8434#endif
ffa65c3b 8435#ifdef TARGET_NR_madvise
31e31b8a 8436 case TARGET_NR_madvise:
24836689 8437 /* A straight passthrough may not be safe because qemu sometimes
d2d6b857 8438 turns private file-backed mappings into anonymous mappings.
24836689
PB		 8439 This will break MADV_DONTNEED.
8440 This is a hint, so ignoring and returning success is ok. */
8441 ret = get_errno(0);
8442 break;
ffa65c3b 8443#endif
992f48a0 8444#if TARGET_ABI_BITS == 32
31e31b8a 8445 case TARGET_NR_fcntl64:
77e4672d 8446 {
b1e341eb 8447 int cmd;
77e4672d 8448 struct flock64 fl;
53a5960a 8449 struct target_flock64 *target_fl;
ce4defa0 8450#ifdef TARGET_ARM
53a5960a 8451 struct target_eabi_flock64 *target_efl;
ce4defa0 8452#endif
77e4672d 8453
5f106811 8454 cmd = target_to_host_fcntl_cmd(arg2);
31b63193
PM		 8455 if (cmd == -TARGET_EINVAL) {
8456 ret = cmd;
8457 break;
8458 }
b1e341eb 8459
60cd49d5 8460 switch(arg2) {
b1e341eb 8461 case TARGET_F_GETLK64:
5813427b
TS		 8462#ifdef TARGET_ARM
8463 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8464 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8465 goto efault;
5813427b
TS		 8466 fl.l_type = tswap16(target_efl->l_type);
8467 fl.l_whence = tswap16(target_efl->l_whence);
8468 fl.l_start = tswap64(target_efl->l_start);
8469 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8470 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 8471 unlock_user_struct(target_efl, arg3, 0);
8472 } else
8473#endif
8474 {
9ee1fa2c
FB		 8475 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8476 goto efault;
5813427b
TS		 8477 fl.l_type = tswap16(target_fl->l_type);
8478 fl.l_whence = tswap16(target_fl->l_whence);
8479 fl.l_start = tswap64(target_fl->l_start);
8480 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8481 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 8482 unlock_user_struct(target_fl, arg3, 0);
8483 }
b1e341eb 8484 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8485 if (ret == 0) {
ce4defa0
PB		 8486#ifdef TARGET_ARM
8487 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8488 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
8489 goto efault;
ce4defa0
PB		 8490 target_efl->l_type = tswap16(fl.l_type);
8491 target_efl->l_whence = tswap16(fl.l_whence);
8492 target_efl->l_start = tswap64(fl.l_start);
8493 target_efl->l_len = tswap64(fl.l_len);
7e22e546 8494 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 8495 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 8496 } else
8497#endif
8498 {
9ee1fa2c
FB		 8499 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
8500 goto efault;
ce4defa0
PB		 8501 target_fl->l_type = tswap16(fl.l_type);
8502 target_fl->l_whence = tswap16(fl.l_whence);
8503 target_fl->l_start = tswap64(fl.l_start);
8504 target_fl->l_len = tswap64(fl.l_len);
7e22e546 8505 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 8506 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 8507 }
77e4672d
FB		 8508 }
8509 break;
8510
b1e341eb
TS		 8511 case TARGET_F_SETLK64:
8512 case TARGET_F_SETLKW64:
ce4defa0
PB		 8513#ifdef TARGET_ARM
8514 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8515 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8516 goto efault;
ce4defa0
PB		 8517 fl.l_type = tswap16(target_efl->l_type);
8518 fl.l_whence = tswap16(target_efl->l_whence);
8519 fl.l_start = tswap64(target_efl->l_start);
8520 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8521 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 8522 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 8523 } else
8524#endif
8525 {
9ee1fa2c
FB		 8526 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8527 goto efault;
ce4defa0
PB		 8528 fl.l_type = tswap16(target_fl->l_type);
8529 fl.l_whence = tswap16(target_fl->l_whence);
8530 fl.l_start = tswap64(target_fl->l_start);
8531 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8532 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 8533 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 8534 }
b1e341eb 8535 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8536 break;
60cd49d5 8537 default:
5f106811 8538 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 8539 break;
8540 }
77e4672d
FB		 8541 break;
8542 }
60cd49d5 8543#endif
7d600c80
TS		 8544#ifdef TARGET_NR_cacheflush
8545 case TARGET_NR_cacheflush:
8546 /* self-modifying code is handled automatically, so nothing needed */
8547 ret = 0;
8548 break;
8549#endif
ebc05488 8550#ifdef TARGET_NR_security
31e31b8a
FB		 8551 case TARGET_NR_security:
8552 goto unimplemented;
c573ff67
FB		 8553#endif
8554#ifdef TARGET_NR_getpagesize
8555 case TARGET_NR_getpagesize:
8556 ret = TARGET_PAGE_SIZE;
8557 break;
ebc05488 8558#endif
31e31b8a
FB		 8559 case TARGET_NR_gettid:
8560 ret = get_errno(gettid());
8561 break;
e5febef5 8562#ifdef TARGET_NR_readahead
31e31b8a 8563 case TARGET_NR_readahead:
2054ac9b 8564#if TARGET_ABI_BITS == 32
48e515d4 8565 if (regpairs_aligned(cpu_env)) {
2054ac9b
AJ		 8566 arg2 = arg3;
8567 arg3 = arg4;
8568 arg4 = arg5;
8569 }
2054ac9b
AJ		 8570 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
8571#else
8572 ret = get_errno(readahead(arg1, arg2, arg3));
8573#endif
8574 break;
e5febef5 8575#endif
a790ae38 8576#ifdef CONFIG_ATTR
ebc05488 8577#ifdef TARGET_NR_setxattr
31e31b8a
FB		 8578 case TARGET_NR_listxattr:
8579 case TARGET_NR_llistxattr:
fb5590f7
PM		 8580 {
8581 void *p, *b = 0;
8582 if (arg2) {
8583 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8584 if (!b) {
8585 ret = -TARGET_EFAULT;
8586 break;
8587 }
8588 }
8589 p = lock_user_string(arg1);
8590 if (p) {
8591 if (num == TARGET_NR_listxattr) {
8592 ret = get_errno(listxattr(p, b, arg3));
8593 } else {
8594 ret = get_errno(llistxattr(p, b, arg3));
8595 }
8596 } else {
8597 ret = -TARGET_EFAULT;
8598 }
8599 unlock_user(p, arg1, 0);
8600 unlock_user(b, arg2, arg3);
8601 break;
8602 }
31e31b8a 8603 case TARGET_NR_flistxattr:
fb5590f7
PM		 8604 {
8605 void *b = 0;
8606 if (arg2) {
8607 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8608 if (!b) {
8609 ret = -TARGET_EFAULT;
8610 break;
8611 }
8612 }
8613 ret = get_errno(flistxattr(arg1, b, arg3));
8614 unlock_user(b, arg2, arg3);
6f932f91 8615 break;
fb5590f7 8616 }
a790ae38 8617 case TARGET_NR_setxattr:
30297b55 8618 case TARGET_NR_lsetxattr:
a790ae38 8619 {
e3c33ec6
PM		 8620 void *p, *n, *v = 0;
8621 if (arg3) {
8622 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8623 if (!v) {
8624 ret = -TARGET_EFAULT;
8625 break;
8626 }
8627 }
a790ae38
ACH		 8628 p = lock_user_string(arg1);
8629 n = lock_user_string(arg2);
e3c33ec6 8630 if (p && n) {
30297b55
PM		 8631 if (num == TARGET_NR_setxattr) {
8632 ret = get_errno(setxattr(p, n, v, arg4, arg5));
8633 } else {
8634 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
8635 }
a790ae38
ACH		 8636 } else {
8637 ret = -TARGET_EFAULT;
8638 }
8639 unlock_user(p, arg1, 0);
8640 unlock_user(n, arg2, 0);
8641 unlock_user(v, arg3, 0);
8642 }
8643 break;
30297b55
PM		 8644 case TARGET_NR_fsetxattr:
8645 {
8646 void *n, *v = 0;
8647 if (arg3) {
8648 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8649 if (!v) {
8650 ret = -TARGET_EFAULT;
8651 break;
8652 }
8653 }
8654 n = lock_user_string(arg2);
8655 if (n) {
8656 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
8657 } else {
8658 ret = -TARGET_EFAULT;
8659 }
8660 unlock_user(n, arg2, 0);
8661 unlock_user(v, arg3, 0);
8662 }
8663 break;
a790ae38 8664 case TARGET_NR_getxattr:
30297b55 8665 case TARGET_NR_lgetxattr:
a790ae38 8666 {
e3c33ec6
PM		 8667 void *p, *n, *v = 0;
8668 if (arg3) {
8669 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8670 if (!v) {
8671 ret = -TARGET_EFAULT;
8672 break;
8673 }
8674 }
a790ae38
ACH		 8675 p = lock_user_string(arg1);
8676 n = lock_user_string(arg2);
e3c33ec6 8677 if (p && n) {
30297b55
PM		 8678 if (num == TARGET_NR_getxattr) {
8679 ret = get_errno(getxattr(p, n, v, arg4));
8680 } else {
8681 ret = get_errno(lgetxattr(p, n, v, arg4));
8682 }
a790ae38
ACH		 8683 } else {
8684 ret = -TARGET_EFAULT;
8685 }
8686 unlock_user(p, arg1, 0);
8687 unlock_user(n, arg2, 0);
8688 unlock_user(v, arg3, arg4);
8689 }
8690 break;
30297b55
PM		 8691 case TARGET_NR_fgetxattr:
8692 {
8693 void *n, *v = 0;
8694 if (arg3) {
8695 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8696 if (!v) {
8697 ret = -TARGET_EFAULT;
8698 break;
8699 }
8700 }
8701 n = lock_user_string(arg2);
8702 if (n) {
8703 ret = get_errno(fgetxattr(arg1, n, v, arg4));
8704 } else {
8705 ret = -TARGET_EFAULT;
8706 }
8707 unlock_user(n, arg2, 0);
8708 unlock_user(v, arg3, arg4);
8709 }
8710 break;
a790ae38 8711 case TARGET_NR_removexattr:
30297b55 8712 case TARGET_NR_lremovexattr:
a790ae38
ACH		 8713 {
8714 void *p, *n;
8715 p = lock_user_string(arg1);
8716 n = lock_user_string(arg2);
8717 if (p && n) {
30297b55
PM		 8718 if (num == TARGET_NR_removexattr) {
8719 ret = get_errno(removexattr(p, n));
8720 } else {
8721 ret = get_errno(lremovexattr(p, n));
8722 }
a790ae38
ACH		 8723 } else {
8724 ret = -TARGET_EFAULT;
8725 }
8726 unlock_user(p, arg1, 0);
8727 unlock_user(n, arg2, 0);
8728 }
8729 break;
30297b55
PM		 8730 case TARGET_NR_fremovexattr:
8731 {
8732 void *n;
8733 n = lock_user_string(arg2);
8734 if (n) {
8735 ret = get_errno(fremovexattr(arg1, n));
8736 } else {
8737 ret = -TARGET_EFAULT;
8738 }
8739 unlock_user(n, arg2, 0);
8740 }
8741 break;
ebc05488 8742#endif
a790ae38 8743#endif /* CONFIG_ATTR */
ebc05488 8744#ifdef TARGET_NR_set_thread_area
5cd4393b 8745 case TARGET_NR_set_thread_area:
8d18e893 8746#if defined(TARGET_MIPS)
6f5b89a0
TS		 8747 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
8748 ret = 0;
8749 break;
ef96779b
EI		 8750#elif defined(TARGET_CRIS)
8751 if (arg1 & 0xff)
8752 ret = -TARGET_EINVAL;
8753 else {
8754 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
8755 ret = 0;
8756 }
8757 break;
8d18e893
FB		 8758#elif defined(TARGET_I386) && defined(TARGET_ABI32)
8759 ret = do_set_thread_area(cpu_env, arg1);
8760 break;
1ccd9374
PM		 8761#elif defined(TARGET_M68K)
8762 {
0429a971 8763 TaskState *ts = cpu->opaque;
1ccd9374 8764 ts->tp_value = arg1;
95c1eb19 8765 ret = 0;
1ccd9374
PM		 8766 break;
8767 }
6f5b89a0
TS		 8768#else
8769 goto unimplemented_nowarn;
8770#endif
8771#endif
8772#ifdef TARGET_NR_get_thread_area
5cd4393b 8773 case TARGET_NR_get_thread_area:
8d18e893
FB		 8774#if defined(TARGET_I386) && defined(TARGET_ABI32)
8775 ret = do_get_thread_area(cpu_env, arg1);
d312bbe1 8776 break;
1ccd9374
PM		 8777#elif defined(TARGET_M68K)
8778 {
0429a971 8779 TaskState *ts = cpu->opaque;
1ccd9374
PM		 8780 ret = ts->tp_value;
8781 break;
8782 }
8d18e893 8783#else
5cd4393b 8784 goto unimplemented_nowarn;
48dc41eb 8785#endif
8d18e893 8786#endif
48dc41eb
FB		 8787#ifdef TARGET_NR_getdomainname
8788 case TARGET_NR_getdomainname:
8789 goto unimplemented_nowarn;
ebc05488 8790#endif
6f5b89a0 8791
b5906f95
TS		 8792#ifdef TARGET_NR_clock_gettime
8793 case TARGET_NR_clock_gettime:
8794 {
8795 struct timespec ts;
8796 ret = get_errno(clock_gettime(arg1, &ts));
8797 if (!is_error(ret)) {
8798 host_to_target_timespec(arg2, &ts);
8799 }
8800 break;
8801 }
8802#endif
8803#ifdef TARGET_NR_clock_getres
8804 case TARGET_NR_clock_getres:
8805 {
8806 struct timespec ts;
8807 ret = get_errno(clock_getres(arg1, &ts));
8808 if (!is_error(ret)) {
8809 host_to_target_timespec(arg2, &ts);
8810 }
8811 break;
8812 }
8813#endif
63d7651b
PB		 8814#ifdef TARGET_NR_clock_nanosleep
8815 case TARGET_NR_clock_nanosleep:
8816 {
8817 struct timespec ts;
8818 target_to_host_timespec(&ts, arg3);
8819 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
8820 if (arg4)
8821 host_to_target_timespec(arg4, &ts);
8822 break;
8823 }
8824#endif
b5906f95 8825
6f5b89a0
TS		 8826#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
8827 case TARGET_NR_set_tid_address:
579a97f7
FB		 8828 ret = get_errno(set_tid_address((int *)g2h(arg1)));
8829 break;
6f5b89a0
TS		 8830#endif
8831
3ae43202 8832#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 8833 case TARGET_NR_tkill:
4cb05961 8834 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 8835 break;
8836#endif
8837
3ae43202 8838#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 8839 case TARGET_NR_tgkill:
4cb05961
PB		 8840 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
8841 target_to_host_signal(arg3)));
71455574
TS		 8842 break;
8843#endif
8844
4f2b1fe8
TS		 8845#ifdef TARGET_NR_set_robust_list
8846 case TARGET_NR_set_robust_list:
e9a970a8
PM		 8847 case TARGET_NR_get_robust_list:
8848 /* The ABI for supporting robust futexes has userspace pass
8849 * the kernel a pointer to a linked list which is updated by
8850 * userspace after the syscall; the list is walked by the kernel
8851 * when the thread exits. Since the linked list in QEMU guest
8852 * memory isn't a valid linked list for the host and we have
8853 * no way to reliably intercept the thread-death event, we can't
8854 * support these. Silently return ENOSYS so that guest userspace
8855 * falls back to a non-robust futex implementation (which should
8856 * be OK except in the corner case of the guest crashing while
8857 * holding a mutex that is shared with another process via
8858 * shared memory).
8859 */
8860 goto unimplemented_nowarn;
4f2b1fe8
TS		 8861#endif
8862
1acae9f2 8863#if defined(TARGET_NR_utimensat)
9007f0ef
TS		 8864 case TARGET_NR_utimensat:
8865 {
ebc996f3
RV		 8866 struct timespec *tsp, ts[2];
8867 if (!arg3) {
8868 tsp = NULL;
8869 } else {
8870 target_to_host_timespec(ts, arg3);
8871 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
8872 tsp = ts;
8873 }
9007f0ef 8874 if (!arg2)
ebc996f3 8875 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 8876 else {
579a97f7 8877 if (!(p = lock_user_string(arg2))) {
0da46a6e 8878 ret = -TARGET_EFAULT;
579a97f7
FB		 8879 goto fail;
8880 }
ebc996f3 8881 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 8882 unlock_user(p, arg2, 0);
9007f0ef
TS		 8883 }
8884 }
8885 break;
8886#endif
bd0c5661
PB		 8887 case TARGET_NR_futex:
8888 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
8889 break;
dbfe4c36 8890#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 8891 case TARGET_NR_inotify_init:
8892 ret = get_errno(sys_inotify_init());
8893 break;
8894#endif
a1606b0b 8895#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 8896#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
8897 case TARGET_NR_inotify_init1:
8898 ret = get_errno(sys_inotify_init1(arg1));
8899 break;
8900#endif
a1606b0b 8901#endif
dbfe4c36 8902#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 8903 case TARGET_NR_inotify_add_watch:
8904 p = lock_user_string(arg2);
8905 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
8906 unlock_user(p, arg2, 0);
8907 break;
8908#endif
dbfe4c36 8909#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 8910 case TARGET_NR_inotify_rm_watch:
8911 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
8912 break;
8913#endif
9007f0ef 8914
8ec9cf89 8915#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 8916 case TARGET_NR_mq_open:
8917 {
8918 struct mq_attr posix_mq_attr;
8919
8920 p = lock_user_string(arg1 - 1);
8921 if (arg4 != 0)
8922 copy_from_user_mq_attr (&posix_mq_attr, arg4);
8923 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
8924 unlock_user (p, arg1, 0);
8925 }
8926 break;
8927
8928 case TARGET_NR_mq_unlink:
8929 p = lock_user_string(arg1 - 1);
8930 ret = get_errno(mq_unlink(p));
8931 unlock_user (p, arg1, 0);
8932 break;
8933
8934 case TARGET_NR_mq_timedsend:
8935 {
8936 struct timespec ts;
8937
8938 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8939 if (arg5 != 0) {
8940 target_to_host_timespec(&ts, arg5);
8941 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
8942 host_to_target_timespec(arg5, &ts);
8943 }
8944 else
8945 ret = get_errno(mq_send(arg1, p, arg3, arg4));
8946 unlock_user (p, arg2, arg3);
8947 }
8948 break;
8949
8950 case TARGET_NR_mq_timedreceive:
8951 {
8952 struct timespec ts;
8953 unsigned int prio;
8954
8955 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8956 if (arg5 != 0) {
8957 target_to_host_timespec(&ts, arg5);
8958 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
8959 host_to_target_timespec(arg5, &ts);
8960 }
8961 else
8962 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
8963 unlock_user (p, arg2, arg3);
8964 if (arg4 != 0)
8965 put_user_u32(prio, arg4);
8966 }
8967 break;
8968
8969 /* Not implemented for now... */
8970/* case TARGET_NR_mq_notify: */
8971/* break; */
8972
8973 case TARGET_NR_mq_getsetattr:
8974 {
8975 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
8976 ret = 0;
8977 if (arg3 != 0) {
8978 ret = mq_getattr(arg1, &posix_mq_attr_out);
8979 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
8980 }
8981 if (arg2 != 0) {
8982 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
8983 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
8984 }
8985
8986 }
8987 break;
8988#endif
8989
3ce34dfb
VS		 8990#ifdef CONFIG_SPLICE
8991#ifdef TARGET_NR_tee
8992 case TARGET_NR_tee:
8993 {
8994 ret = get_errno(tee(arg1,arg2,arg3,arg4));
8995 }
8996 break;
8997#endif
8998#ifdef TARGET_NR_splice
8999 case TARGET_NR_splice:
9000 {
9001 loff_t loff_in, loff_out;
9002 loff_t *ploff_in = NULL, *ploff_out = NULL;
9003 if(arg2) {
9004 get_user_u64(loff_in, arg2);
9005 ploff_in = &loff_in;
9006 }
9007 if(arg4) {
9008 get_user_u64(loff_out, arg2);
9009 ploff_out = &loff_out;
9010 }
9011 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
9012 }
9013 break;
9014#endif
9015#ifdef TARGET_NR_vmsplice
9016 case TARGET_NR_vmsplice:
9017 {
f287b2c2
RH		 9018 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
9019 if (vec != NULL) {
9020 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
9021 unlock_iovec(vec, arg2, arg3, 0);
9022 } else {
9023 ret = -host_to_target_errno(errno);
9024 }
3ce34dfb
VS		 9025 }
9026 break;
9027#endif
9028#endif /* CONFIG_SPLICE */
c2882b96
RV		 9029#ifdef CONFIG_EVENTFD
9030#if defined(TARGET_NR_eventfd)
9031 case TARGET_NR_eventfd:
9032 ret = get_errno(eventfd(arg1, 0));
9033 break;
9034#endif
9035#if defined(TARGET_NR_eventfd2)
9036 case TARGET_NR_eventfd2:
5947c697
PJ		 9037 {
9038 int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
9039 if (arg2 & TARGET_O_NONBLOCK) {
9040 host_flags |= O_NONBLOCK;
9041 }
9042 if (arg2 & TARGET_O_CLOEXEC) {
9043 host_flags |= O_CLOEXEC;
9044 }
9045 ret = get_errno(eventfd(arg1, host_flags));
c2882b96 9046 break;
5947c697 9047 }
c2882b96
RV		 9048#endif
9049#endif /* CONFIG_EVENTFD */
d0927938
UH		 9050#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
9051 case TARGET_NR_fallocate:
20249ae1
AG		 9052#if TARGET_ABI_BITS == 32
9053 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
9054 target_offset64(arg5, arg6)));
9055#else
d0927938 9056 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
20249ae1 9057#endif
d0927938 9058 break;
c727f47d
PM		 9059#endif
9060#if defined(CONFIG_SYNC_FILE_RANGE)
9061#if defined(TARGET_NR_sync_file_range)
9062 case TARGET_NR_sync_file_range:
9063#if TARGET_ABI_BITS == 32
bfcedc57
RV		 9064#if defined(TARGET_MIPS)
9065 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
9066 target_offset64(arg5, arg6), arg7));
9067#else
c727f47d
PM		 9068 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
9069 target_offset64(arg4, arg5), arg6));
bfcedc57 9070#endif /* !TARGET_MIPS */
c727f47d
PM		 9071#else
9072 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
9073#endif
9074 break;
9075#endif
9076#if defined(TARGET_NR_sync_file_range2)
9077 case TARGET_NR_sync_file_range2:
9078 /* This is like sync_file_range but the arguments are reordered */
9079#if TARGET_ABI_BITS == 32
9080 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
9081 target_offset64(arg5, arg6), arg2));
9082#else
9083 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
9084#endif
9085 break;
9086#endif
3b6edd16
PM		 9087#endif
9088#if defined(CONFIG_EPOLL)
9089#if defined(TARGET_NR_epoll_create)
9090 case TARGET_NR_epoll_create:
9091 ret = get_errno(epoll_create(arg1));
9092 break;
9093#endif
9094#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
9095 case TARGET_NR_epoll_create1:
9096 ret = get_errno(epoll_create1(arg1));
9097 break;
9098#endif
9099#if defined(TARGET_NR_epoll_ctl)
9100 case TARGET_NR_epoll_ctl:
9101 {
9102 struct epoll_event ep;
9103 struct epoll_event *epp = 0;
9104 if (arg4) {
9105 struct target_epoll_event *target_ep;
9106 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
9107 goto efault;
9108 }
9109 ep.events = tswap32(target_ep->events);
9110 /* The epoll_data_t union is just opaque data to the kernel,
9111 * so we transfer all 64 bits across and need not worry what
9112 * actual data type it is.
9113 */
9114 ep.data.u64 = tswap64(target_ep->data.u64);
9115 unlock_user_struct(target_ep, arg4, 0);
9116 epp = &ep;
9117 }
9118 ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
9119 break;
9120 }
9121#endif
9122
9123#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
9124#define IMPLEMENT_EPOLL_PWAIT
9125#endif
9126#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
9127#if defined(TARGET_NR_epoll_wait)
9128 case TARGET_NR_epoll_wait:
9129#endif
9130#if defined(IMPLEMENT_EPOLL_PWAIT)
9131 case TARGET_NR_epoll_pwait:
9132#endif
9133 {
9134 struct target_epoll_event *target_ep;
9135 struct epoll_event *ep;
9136 int epfd = arg1;
9137 int maxevents = arg3;
9138 int timeout = arg4;
9139
9140 target_ep = lock_user(VERIFY_WRITE, arg2,
9141 maxevents * sizeof(struct target_epoll_event), 1);
9142 if (!target_ep) {
9143 goto efault;
9144 }
9145
9146 ep = alloca(maxevents * sizeof(struct epoll_event));
9147
9148 switch (num) {
9149#if defined(IMPLEMENT_EPOLL_PWAIT)
9150 case TARGET_NR_epoll_pwait:
9151 {
9152 target_sigset_t *target_set;
9153 sigset_t _set, *set = &_set;
9154
9155 if (arg5) {
9156 target_set = lock_user(VERIFY_READ, arg5,
9157 sizeof(target_sigset_t), 1);
9158 if (!target_set) {
9159 unlock_user(target_ep, arg2, 0);
9160 goto efault;
9161 }
9162 target_to_host_sigset(set, target_set);
9163 unlock_user(target_set, arg5, 0);
9164 } else {
9165 set = NULL;
9166 }
9167
9168 ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
9169 break;
9170 }
9171#endif
9172#if defined(TARGET_NR_epoll_wait)
9173 case TARGET_NR_epoll_wait:
9174 ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
9175 break;
9176#endif
9177 default:
9178 ret = -TARGET_ENOSYS;
9179 }
9180 if (!is_error(ret)) {
9181 int i;
9182 for (i = 0; i < ret; i++) {
9183 target_ep[i].events = tswap32(ep[i].events);
9184 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
9185 }
9186 }
9187 unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
9188 break;
9189 }
9190#endif
163a05a8
PM		 9191#endif
9192#ifdef TARGET_NR_prlimit64
9193 case TARGET_NR_prlimit64:
9194 {
9195 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
9196 struct target_rlimit64 *target_rnew, *target_rold;
9197 struct host_rlimit64 rnew, rold, *rnewp = 0;
9198 if (arg3) {
9199 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
9200 goto efault;
9201 }
9202 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
9203 rnew.rlim_max = tswap64(target_rnew->rlim_max);
9204 unlock_user_struct(target_rnew, arg3, 0);
9205 rnewp = &rnew;
9206 }
9207
9208 ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
9209 if (!is_error(ret) && arg4) {
9210 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
9211 goto efault;
9212 }
9213 target_rold->rlim_cur = tswap64(rold.rlim_cur);
9214 target_rold->rlim_max = tswap64(rold.rlim_max);
9215 unlock_user_struct(target_rold, arg4, 1);
9216 }
9217 break;
9218 }
3d21d29c
RH		 9219#endif
9220#ifdef TARGET_NR_gethostname
9221 case TARGET_NR_gethostname:
9222 {
9223 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
9224 if (name) {
9225 ret = get_errno(gethostname(name, arg2));
9226 unlock_user(name, arg1, arg2);
9227 } else {
9228 ret = -TARGET_EFAULT;
9229 }
9230 break;
9231 }
89aaf1a6
RV		 9232#endif
9233#ifdef TARGET_NR_atomic_cmpxchg_32
9234 case TARGET_NR_atomic_cmpxchg_32:
9235 {
9236 /* should use start_exclusive from main.c */
9237 abi_ulong mem_value;
9238 if (get_user_u32(mem_value, arg6)) {
9239 target_siginfo_t info;
9240 info.si_signo = SIGSEGV;
9241 info.si_errno = 0;
9242 info.si_code = TARGET_SEGV_MAPERR;
9243 info._sifields._sigfault._addr = arg6;
9244 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
9245 ret = 0xdeadbeef;
9246
9247 }
9248 if (mem_value == arg2)
9249 put_user_u32(arg1, arg6);
9250 ret = mem_value;
9251 break;
9252 }
9253#endif
9254#ifdef TARGET_NR_atomic_barrier
9255 case TARGET_NR_atomic_barrier:
9256 {
9257 /* Like the kernel implementation and the qemu arm barrier, no-op this? */
3b899ea7 9258 ret = 0;
89aaf1a6
RV		 9259 break;
9260 }
d0927938 9261#endif
f4f1e10a
ECL		 9262
9263#ifdef TARGET_NR_timer_create
9264 case TARGET_NR_timer_create:
9265 {
9266 /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */
9267
9268 struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL;
9269 struct target_sigevent *ptarget_sevp;
9270 struct target_timer_t *ptarget_timer;
9271
9272 int clkid = arg1;
9273 int timer_index = next_free_host_timer();
9274
9275 if (timer_index < 0) {
9276 ret = -TARGET_EAGAIN;
9277 } else {
9278 timer_t *phtimer = g_posix_timers + timer_index;
9279
9280 if (arg2) {
9281 if (!lock_user_struct(VERIFY_READ, ptarget_sevp, arg2, 1)) {
9282 goto efault;
9283 }
9284
9285 host_sevp.sigev_signo = tswap32(ptarget_sevp->sigev_signo);
9286 host_sevp.sigev_notify = tswap32(ptarget_sevp->sigev_notify);
9287
9288 phost_sevp = &host_sevp;
9289 }
9290
9291 ret = get_errno(timer_create(clkid, phost_sevp, phtimer));
9292 if (ret) {
9293 phtimer = NULL;
9294 } else {
9295 if (!lock_user_struct(VERIFY_WRITE, ptarget_timer, arg3, 1)) {
9296 goto efault;
9297 }
9298 ptarget_timer->ptr = tswap32(0xcafe0000 | timer_index);
9299 unlock_user_struct(ptarget_timer, arg3, 1);
9300 }
9301 }
9302 break;
9303 }
9304#endif
9305
9306#ifdef TARGET_NR_timer_settime
9307 case TARGET_NR_timer_settime:
9308 {
9309 /* args: timer_t timerid, int flags, const struct itimerspec *new_value,
9310 * struct itimerspec * old_value */
9311 arg1 &= 0xffff;
9312 if (arg3 == 0 || arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
9313 ret = -TARGET_EINVAL;
9314 } else {
9315 timer_t htimer = g_posix_timers[arg1];
9316 struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
9317
9318 target_to_host_itimerspec(&hspec_new, arg3);
9319 ret = get_errno(
9320 timer_settime(htimer, arg2, &hspec_new, &hspec_old));
9321 host_to_target_itimerspec(arg2, &hspec_old);
9322 }
9323 break;
9324 }
9325#endif
9326
9327#ifdef TARGET_NR_timer_gettime
9328 case TARGET_NR_timer_gettime:
9329 {
9330 /* args: timer_t timerid, struct itimerspec *curr_value */
9331 arg1 &= 0xffff;
9332 if (!arg2) {
9333 return -TARGET_EFAULT;
9334 } else if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
9335 ret = -TARGET_EINVAL;
9336 } else {
9337 timer_t htimer = g_posix_timers[arg1];
9338 struct itimerspec hspec;
9339 ret = get_errno(timer_gettime(htimer, &hspec));
9340
9341 if (host_to_target_itimerspec(arg2, &hspec)) {
9342 ret = -TARGET_EFAULT;
9343 }
9344 }
9345 break;
9346 }
9347#endif
9348
9349#ifdef TARGET_NR_timer_getoverrun
9350 case TARGET_NR_timer_getoverrun:
9351 {
9352 /* args: timer_t timerid */
9353 arg1 &= 0xffff;
9354 if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
9355 ret = -TARGET_EINVAL;
9356 } else {
9357 timer_t htimer = g_posix_timers[arg1];
9358 ret = get_errno(timer_getoverrun(htimer));
9359 }
9360 break;
9361 }
9362#endif
9363
9364#ifdef TARGET_NR_timer_delete
9365 case TARGET_NR_timer_delete:
9366 {
9367 /* args: timer_t timerid */
9368 arg1 &= 0xffff;
9369 if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
9370 ret = -TARGET_EINVAL;
9371 } else {
9372 timer_t htimer = g_posix_timers[arg1];
9373 ret = get_errno(timer_delete(htimer));
9374 g_posix_timers[arg1] = 0;
9375 }
9376 break;
9377 }
9378#endif
9379
31e31b8a
FB		 9380 default:
9381 unimplemented:
5cd4393b 9382 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 9383#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 9384 unimplemented_nowarn:
80a9d035 9385#endif
0da46a6e 9386 ret = -TARGET_ENOSYS;
31e31b8a
FB		 9387 break;
9388 }
579a97f7 9389fail:
c573ff67 9390#ifdef DEBUG
0bf9e31a 9391 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 9392#endif
b92c47c1
TS		 9393 if(do_strace)
9394 print_syscall_ret(num, ret);
31e31b8a 9395 return ret;
579a97f7
FB		 9396efault:
9397 ret = -TARGET_EFAULT;
9398 goto fail;
31e31b8a 9399}
Mirror of https://git.qemu.org/git/qemu.git