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configure: Add config.status to recreate the current configuration
[qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
8167ee88 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
31e31b8a 18 */
d5b3a9b6 19#define _ATFILE_SOURCE
31e31b8a
FB		 20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
82e671d9 30#include <limits.h>
c56dc774 31#include <grp.h>
31e31b8a 32#include <sys/types.h>
d08d3bb8
TS		 33#include <sys/ipc.h>
34#include <sys/msg.h>
31e31b8a
FB		 35#include <sys/wait.h>
36#include <sys/time.h>
37#include <sys/stat.h>
38#include <sys/mount.h>
586b0bef
JS		 39#include <sys/file.h>
40#include <sys/fsuid.h>
41#include <sys/personality.h>
39b9aae1 42#include <sys/prctl.h>
31e31b8a
FB		 43#include <sys/resource.h>
44#include <sys/mman.h>
45#include <sys/swap.h>
46#include <signal.h>
47#include <sched.h>
60e99246
AJ		 48#ifdef __ia64__
49int __clone2(int (*fn)(void *), void *child_stack_base,
50 size_t stack_size, int flags, void *arg, ...);
51#endif
31e31b8a 52#include <sys/socket.h>
607175e0 53#include <sys/un.h>
31e31b8a 54#include <sys/uio.h>
9de5e440 55#include <sys/poll.h>
32f36bce 56#include <sys/times.h>
8853f86e 57#include <sys/shm.h>
fa294816 58#include <sys/sem.h>
56c8f68f 59#include <sys/statfs.h>
ebc05488 60#include <utime.h>
a5448a7d 61#include <sys/sysinfo.h>
3b3f24ad 62#include <sys/utsname.h>
72f03900 63//#include <sys/user.h>
8853f86e 64#include <netinet/ip.h>
7854b056 65#include <netinet/tcp.h>
86fcd946 66#include <linux/wireless.h>
920394db 67#include <linux/icmp.h>
5a61cb60 68#include "qemu-common.h"
9788c9ca 69#ifdef TARGET_GPROF
6d946cda
AJ		 70#include <sys/gmon.h>
71#endif
c2882b96
RV		 72#ifdef CONFIG_EVENTFD
73#include <sys/eventfd.h>
74#endif
3b6edd16
PM		 75#ifdef CONFIG_EPOLL
76#include <sys/epoll.h>
77#endif
a790ae38 78#ifdef CONFIG_ATTR
1de7afc9 79#include "qemu/xattr.h"
a790ae38 80#endif
a8fd1aba
PM		 81#ifdef CONFIG_SENDFILE
82#include <sys/sendfile.h>
83#endif
31e31b8a
FB		 84
85#define termios host_termios
86#define winsize host_winsize
87#define termio host_termio
04369ff2
FB		 88#define sgttyb host_sgttyb /* same as target */
89#define tchars host_tchars /* same as target */
90#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 91
92#include <linux/termios.h>
93#include <linux/unistd.h>
94#include <linux/utsname.h>
95#include <linux/cdrom.h>
96#include <linux/hdreg.h>
97#include <linux/soundcard.h>
19b84f3c 98#include <linux/kd.h>
8fbd6b52 99#include <linux/mtio.h>
350d1779 100#include <linux/fs.h>
dace20dc 101#if defined(CONFIG_FIEMAP)
285da2b9 102#include <linux/fiemap.h>
dace20dc 103#endif
f7680a55
UH		 104#include <linux/fb.h>
105#include <linux/vt.h>
56e904ec 106#include <linux/dm-ioctl.h>
c07ecc68 107#include <linux/reboot.h>
7ff7b666 108#include <linux/route.h>
f57d4192 109#include <linux/filter.h>
d7e4036e 110#include "linux_loop.h"
da79030f 111#include "cpu-uname.h"
31e31b8a 112
3ef693a0 113#include "qemu.h"
31e31b8a 114
d865bab5
PB		 115#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
116 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
30813cea 117
72f03900 118//#define DEBUG
31e31b8a 119
1a9353d2 120//#include <linux/msdos_fs.h>
6556a833
AJ		 121#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
122#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 123
70a194b9 124
70a194b9
FB		 125#undef _syscall0
126#undef _syscall1
127#undef _syscall2
128#undef _syscall3
129#undef _syscall4
130#undef _syscall5
83fcb515 131#undef _syscall6
70a194b9 132
83fcb515 133#define _syscall0(type,name) \
8fcd3692 134static type name (void) \
83fcb515
FB		 135{ \
136 return syscall(__NR_##name); \
137}
70a194b9 138
83fcb515 139#define _syscall1(type,name,type1,arg1) \
8fcd3692 140static type name (type1 arg1) \
83fcb515
FB		 141{ \
142 return syscall(__NR_##name, arg1); \
70a194b9
FB		 143}
144
83fcb515 145#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 146static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 147{ \
148 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 149}
150
83fcb515 151#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 152static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 153{ \
154 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 155}
156
83fcb515 157#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 158static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 159{ \
160 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 161}
162
83fcb515
FB		 163#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
164 type5,arg5) \
8fcd3692 165static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 166{ \
167 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 168}
169
83fcb515
FB		 170
171#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
172 type5,arg5,type6,arg6) \
8fcd3692
BS		 173static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
174 type6 arg6) \
83fcb515
FB		 175{ \
176 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 177}
83fcb515 178
70a194b9 179
31e31b8a 180#define __NR_sys_uname __NR_uname
72f03900 181#define __NR_sys_getcwd1 __NR_getcwd
72f03900 182#define __NR_sys_getdents __NR_getdents
dab2ed99 183#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 184#define __NR_sys_getpriority __NR_getpriority
66fb9763 185#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
7494b0f9 186#define __NR_sys_syslog __NR_syslog
71455574 187#define __NR_sys_tgkill __NR_tgkill
4cae1d16 188#define __NR_sys_tkill __NR_tkill
bd0c5661 189#define __NR_sys_futex __NR_futex
39b59763
AJ		 190#define __NR_sys_inotify_init __NR_inotify_init
191#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
192#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 193
42a39fbe
AG		 194#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
195 defined(__s390x__)
9af9eaaa
FB		 196#define __NR__llseek __NR_lseek
197#endif
198
72f03900 199#ifdef __NR_gettid
31e31b8a 200_syscall0(int, gettid)
72f03900 201#else
0da46a6e
TS		 202/* This is a replacement for the host gettid() and must return a host
203 errno. */
72f03900
FB		 204static int gettid(void) {
205 return -ENOSYS;
206}
207#endif
3307e236 208#ifdef __NR_getdents
3b3f24ad 209_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3307e236
PM		 210#endif
211#if !defined(__NR_getdents) || \
212 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
3b3f24ad
AJ		 213_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
214#endif
d35b261c 215#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
3b3f24ad
AJ		 216_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
217 loff_t *, res, uint, wh);
218#endif
219_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
220_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
221#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
222_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
223#endif
224#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
225_syscall2(int,sys_tkill,int,tid,int,sig)
226#endif
227#ifdef __NR_exit_group
228_syscall1(int,exit_group,int,error_code)
229#endif
230#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
231_syscall1(int,set_tid_address,int *,tidptr)
232#endif
3b3f24ad
AJ		 233#if defined(TARGET_NR_futex) && defined(__NR_futex)
234_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
235 const struct timespec *,timeout,int *,uaddr2,int,val3)
236#endif
737de1d1
MF		 237#define __NR_sys_sched_getaffinity __NR_sched_getaffinity
238_syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len,
239 unsigned long *, user_mask_ptr);
240#define __NR_sys_sched_setaffinity __NR_sched_setaffinity
241_syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len,
242 unsigned long *, user_mask_ptr);
0f6b4d21
AG		 243_syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd,
244 void *, arg);
3b3f24ad
AJ		 245
246static bitmask_transtbl fcntl_flags_tbl[] = {
247 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
248 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
249 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
250 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
251 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
252 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
253 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
254 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
afc8763f 255 { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, },
3b3f24ad
AJ		 256 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
257 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
258 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
259 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
3b3f24ad
AJ		 260#if defined(O_DIRECT)
261 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
afc8763f
RH		 262#endif
263#if defined(O_NOATIME)
264 { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME },
265#endif
266#if defined(O_CLOEXEC)
267 { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC },
268#endif
269#if defined(O_PATH)
270 { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH },
271#endif
272 /* Don't terminate the list prematurely on 64-bit host+guest. */
273#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
274 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
3b3f24ad
AJ		 275#endif
276 { 0, 0, 0, 0 }
277};
278
279#define COPY_UTSNAME_FIELD(dest, src) \
280 do { \
281 /* __NEW_UTS_LEN doesn't include terminating null */ \
282 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
283 (dest)[__NEW_UTS_LEN] = '\0'; \
284 } while (0)
285
286static int sys_uname(struct new_utsname *buf)
287{
288 struct utsname uts_buf;
289
290 if (uname(&uts_buf) < 0)
291 return (-1);
292
293 /*
294 * Just in case these have some differences, we
295 * translate utsname to new_utsname (which is the
296 * struct linux kernel uses).
297 */
298
67bd9ede 299 memset(buf, 0, sizeof(*buf));
3b3f24ad
AJ		 300 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
301 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
302 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
303 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
304 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
305#ifdef _GNU_SOURCE
306 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
307#endif
308 return (0);
309
310#undef COPY_UTSNAME_FIELD
311}
312
313static int sys_getcwd1(char *buf, size_t size)
314{
315 if (getcwd(buf, size) == NULL) {
316 /* getcwd() sets errno */
317 return (-1);
318 }
aaf4ad39 319 return strlen(buf)+1;
3b3f24ad
AJ		 320}
321
3b3f24ad 322#ifdef TARGET_NR_openat
f4c69010 323static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode)
3b3f24ad
AJ		 324{
325 /*
326 * open(2) has extra parameter 'mode' when called with
327 * flag O_CREAT.
328 */
329 if ((flags & O_CREAT) != 0) {
3b3f24ad
AJ		 330 return (openat(dirfd, pathname, flags, mode));
331 }
332 return (openat(dirfd, pathname, flags));
333}
334#endif
ebc996f3 335
1acae9f2 336#ifdef TARGET_NR_utimensat
ebc996f3
RV		 337#ifdef CONFIG_UTIMENSAT
338static int sys_utimensat(int dirfd, const char *pathname,
339 const struct timespec times[2], int flags)
340{
341 if (pathname == NULL)
342 return futimens(dirfd, times);
343 else
344 return utimensat(dirfd, pathname, times, flags);
345}
1acae9f2
PM		 346#elif defined(__NR_utimensat)
347#define __NR_sys_utimensat __NR_utimensat
9007f0ef
TS		 348_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
349 const struct timespec *,tsp,int,flags)
1acae9f2
PM		 350#else
351static int sys_utimensat(int dirfd, const char *pathname,
352 const struct timespec times[2], int flags)
353{
354 errno = ENOSYS;
355 return -1;
356}
9007f0ef 357#endif
1acae9f2 358#endif /* TARGET_NR_utimensat */
3b3f24ad
AJ		 359
360#ifdef CONFIG_INOTIFY
8690e420 361#include <sys/inotify.h>
3b3f24ad 362
39b59763 363#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 364static int sys_inotify_init(void)
365{
366 return (inotify_init());
367}
39b59763
AJ		 368#endif
369#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 370static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
371{
372 return (inotify_add_watch(fd, pathname, mask));
373}
39b59763
AJ		 374#endif
375#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 376static int sys_inotify_rm_watch(int fd, int32_t wd)
377{
8690e420 378 return (inotify_rm_watch(fd, wd));
3b3f24ad 379}
bd0c5661 380#endif
c05c7a73
RV		 381#ifdef CONFIG_INOTIFY1
382#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
383static int sys_inotify_init1(int flags)
384{
385 return (inotify_init1(flags));
386}
387#endif
388#endif
3b3f24ad
AJ		 389#else
390/* Userspace can usually survive runtime without inotify */
391#undef TARGET_NR_inotify_init
c05c7a73 392#undef TARGET_NR_inotify_init1
3b3f24ad
AJ		 393#undef TARGET_NR_inotify_add_watch
394#undef TARGET_NR_inotify_rm_watch
395#endif /* CONFIG_INOTIFY */
396
d8035d4c
MF		 397#if defined(TARGET_NR_ppoll)
398#ifndef __NR_ppoll
399# define __NR_ppoll -1
400#endif
401#define __NR_sys_ppoll __NR_ppoll
402_syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds,
403 struct timespec *, timeout, const __sigset_t *, sigmask,
404 size_t, sigsetsize)
405#endif
66fb9763 406
055e0906
MF		 407#if defined(TARGET_NR_pselect6)
408#ifndef __NR_pselect6
409# define __NR_pselect6 -1
410#endif
411#define __NR_sys_pselect6 __NR_pselect6
412_syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds,
413 fd_set *, exceptfds, struct timespec *, timeout, void *, sig);
414#endif
415
163a05a8
PM		 416#if defined(TARGET_NR_prlimit64)
417#ifndef __NR_prlimit64
418# define __NR_prlimit64 -1
419#endif
420#define __NR_sys_prlimit64 __NR_prlimit64
421/* The glibc rlimit structure may not be that used by the underlying syscall */
422struct host_rlimit64 {
423 uint64_t rlim_cur;
424 uint64_t rlim_max;
425};
426_syscall4(int, sys_prlimit64, pid_t, pid, int, resource,
427 const struct host_rlimit64 *, new_limit,
428 struct host_rlimit64 *, old_limit)
429#endif
430
48e515d4 431/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
4a1def4e 432#ifdef TARGET_ARM
48e515d4
RV		 433static inline int regpairs_aligned(void *cpu_env) {
434 return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
435}
436#elif defined(TARGET_MIPS)
437static inline int regpairs_aligned(void *cpu_env) { return 1; }
4a1def4e
AG		 438#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
439/* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
440 * of registers which translates to the same as ARM/MIPS, because we start with
441 * r3 as arg1 */
442static inline int regpairs_aligned(void *cpu_env) { return 1; }
48e515d4
RV		 443#else
444static inline int regpairs_aligned(void *cpu_env) { return 0; }
445#endif
446
b92c47c1
TS		 447#define ERRNO_TABLE_SIZE 1200
448
449/* target_to_host_errno_table[] is initialized from
450 * host_to_target_errno_table[] in syscall_init(). */
451static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
452};
453
637947f1 454/*
fe8f096b 455 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 456 * minus the errnos that are not actually generic to all archs.
457 */
b92c47c1 458static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 459 [EIDRM] = TARGET_EIDRM,
460 [ECHRNG] = TARGET_ECHRNG,
461 [EL2NSYNC] = TARGET_EL2NSYNC,
462 [EL3HLT] = TARGET_EL3HLT,
463 [EL3RST] = TARGET_EL3RST,
464 [ELNRNG] = TARGET_ELNRNG,
465 [EUNATCH] = TARGET_EUNATCH,
466 [ENOCSI] = TARGET_ENOCSI,
467 [EL2HLT] = TARGET_EL2HLT,
468 [EDEADLK] = TARGET_EDEADLK,
469 [ENOLCK] = TARGET_ENOLCK,
470 [EBADE] = TARGET_EBADE,
471 [EBADR] = TARGET_EBADR,
472 [EXFULL] = TARGET_EXFULL,
473 [ENOANO] = TARGET_ENOANO,
474 [EBADRQC] = TARGET_EBADRQC,
475 [EBADSLT] = TARGET_EBADSLT,
476 [EBFONT] = TARGET_EBFONT,
477 [ENOSTR] = TARGET_ENOSTR,
478 [ENODATA] = TARGET_ENODATA,
479 [ETIME] = TARGET_ETIME,
480 [ENOSR] = TARGET_ENOSR,
481 [ENONET] = TARGET_ENONET,
482 [ENOPKG] = TARGET_ENOPKG,
483 [EREMOTE] = TARGET_EREMOTE,
484 [ENOLINK] = TARGET_ENOLINK,
485 [EADV] = TARGET_EADV,
486 [ESRMNT] = TARGET_ESRMNT,
487 [ECOMM] = TARGET_ECOMM,
488 [EPROTO] = TARGET_EPROTO,
489 [EDOTDOT] = TARGET_EDOTDOT,
490 [EMULTIHOP] = TARGET_EMULTIHOP,
491 [EBADMSG] = TARGET_EBADMSG,
492 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
493 [EOVERFLOW] = TARGET_EOVERFLOW,
494 [ENOTUNIQ] = TARGET_ENOTUNIQ,
495 [EBADFD] = TARGET_EBADFD,
496 [EREMCHG] = TARGET_EREMCHG,
497 [ELIBACC] = TARGET_ELIBACC,
498 [ELIBBAD] = TARGET_ELIBBAD,
499 [ELIBSCN] = TARGET_ELIBSCN,
500 [ELIBMAX] = TARGET_ELIBMAX,
501 [ELIBEXEC] = TARGET_ELIBEXEC,
502 [EILSEQ] = TARGET_EILSEQ,
503 [ENOSYS] = TARGET_ENOSYS,
504 [ELOOP] = TARGET_ELOOP,
505 [ERESTART] = TARGET_ERESTART,
506 [ESTRPIPE] = TARGET_ESTRPIPE,
507 [ENOTEMPTY] = TARGET_ENOTEMPTY,
508 [EUSERS] = TARGET_EUSERS,
509 [ENOTSOCK] = TARGET_ENOTSOCK,
510 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
511 [EMSGSIZE] = TARGET_EMSGSIZE,
512 [EPROTOTYPE] = TARGET_EPROTOTYPE,
513 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
514 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
515 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
516 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
517 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
518 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
519 [EADDRINUSE] = TARGET_EADDRINUSE,
520 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
521 [ENETDOWN] = TARGET_ENETDOWN,
522 [ENETUNREACH] = TARGET_ENETUNREACH,
523 [ENETRESET] = TARGET_ENETRESET,
524 [ECONNABORTED] = TARGET_ECONNABORTED,
525 [ECONNRESET] = TARGET_ECONNRESET,
526 [ENOBUFS] = TARGET_ENOBUFS,
527 [EISCONN] = TARGET_EISCONN,
528 [ENOTCONN] = TARGET_ENOTCONN,
529 [EUCLEAN] = TARGET_EUCLEAN,
530 [ENOTNAM] = TARGET_ENOTNAM,
531 [ENAVAIL] = TARGET_ENAVAIL,
532 [EISNAM] = TARGET_EISNAM,
533 [EREMOTEIO] = TARGET_EREMOTEIO,
534 [ESHUTDOWN] = TARGET_ESHUTDOWN,
535 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
536 [ETIMEDOUT] = TARGET_ETIMEDOUT,
537 [ECONNREFUSED] = TARGET_ECONNREFUSED,
538 [EHOSTDOWN] = TARGET_EHOSTDOWN,
539 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
540 [EALREADY] = TARGET_EALREADY,
541 [EINPROGRESS] = TARGET_EINPROGRESS,
542 [ESTALE] = TARGET_ESTALE,
543 [ECANCELED] = TARGET_ECANCELED,
544 [ENOMEDIUM] = TARGET_ENOMEDIUM,
545 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 546#ifdef ENOKEY
637947f1 547 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 548#endif
549#ifdef EKEYEXPIRED
637947f1 550 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 551#endif
552#ifdef EKEYREVOKED
637947f1 553 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 554#endif
555#ifdef EKEYREJECTED
637947f1 556 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 557#endif
558#ifdef EOWNERDEAD
637947f1 559 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 560#endif
561#ifdef ENOTRECOVERABLE
637947f1 562 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 563#endif
b92c47c1 564};
637947f1
TS		 565
566static inline int host_to_target_errno(int err)
567{
568 if(host_to_target_errno_table[err])
569 return host_to_target_errno_table[err];
570 return err;
571}
572
b92c47c1
TS		 573static inline int target_to_host_errno(int err)
574{
575 if (target_to_host_errno_table[err])
576 return target_to_host_errno_table[err];
577 return err;
578}
579
992f48a0 580static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 581{
582 if (ret == -1)
637947f1 583 return -host_to_target_errno(errno);
31e31b8a
FB		 584 else
585 return ret;
586}
587
992f48a0 588static inline int is_error(abi_long ret)
31e31b8a 589{
992f48a0 590 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 591}
592
b92c47c1
TS		 593char *target_strerror(int err)
594{
962b289e
AG		 595 if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) {
596 return NULL;
597 }
b92c47c1
TS		 598 return strerror(target_to_host_errno(err));
599}
600
992f48a0
BS		 601static abi_ulong target_brk;
602static abi_ulong target_original_brk;
4d1de87c 603static abi_ulong brk_page;
31e31b8a 604
992f48a0 605void target_set_brk(abi_ulong new_brk)
31e31b8a 606{
4c1de73d 607 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
4d1de87c 608 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 609}
610
4d1de87c
CV		 611//#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
612#define DEBUGF_BRK(message, args...)
613
0da46a6e 614/* do_brk() must return target values and target errnos. */
992f48a0 615abi_long do_brk(abi_ulong new_brk)
31e31b8a 616{
992f48a0 617 abi_long mapped_addr;
31e31b8a
FB		 618 int new_alloc_size;
619
3a0c6c4a 620 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk);
4d1de87c
CV		 621
622 if (!new_brk) {
3a0c6c4a 623 DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk);
53a5960a 624 return target_brk;
4d1de87c
CV		 625 }
626 if (new_brk < target_original_brk) {
3a0c6c4a
PB		 627 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n",
628 target_brk);
7ab240ad 629 return target_brk;
4d1de87c 630 }
3b46e624 631
4d1de87c
CV		 632 /* If the new brk is less than the highest page reserved to the
633 * target heap allocation, set it and we're almost done... */
634 if (new_brk <= brk_page) {
635 /* Heap contents are initialized to zero, as for anonymous
636 * mapped pages. */
637 if (new_brk > target_brk) {
638 memset(g2h(target_brk), 0, new_brk - target_brk);
639 }
31e31b8a 640 target_brk = new_brk;
3a0c6c4a 641 DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk);
53a5960a 642 return target_brk;
31e31b8a
FB		 643 }
644
00faf08c
PM		 645 /* We need to allocate more memory after the brk... Note that
646 * we don't use MAP_FIXED because that will map over the top of
647 * any existing mapping (like the one with the host libc or qemu
648 * itself); instead we treat "mapped but at wrong address" as
649 * a failure and unmap again.
650 */
4d1de87c 651 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page);
5fafdf24 652 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004 653 PROT_READ|PROT_WRITE,
00faf08c
PM		 654 MAP_ANON|MAP_PRIVATE, 0, 0));
655
656 if (mapped_addr == brk_page) {
70afc343
CV		 657 /* Heap contents are initialized to zero, as for anonymous
658 * mapped pages. Technically the new pages are already
659 * initialized to zero since they *are* anonymous mapped
660 * pages, however we have to take care with the contents that
661 * come from the remaining part of the previous page: it may
662 * contains garbage data due to a previous heap usage (grown
663 * then shrunken). */
664 memset(g2h(target_brk), 0, brk_page - target_brk);
665
00faf08c 666 target_brk = new_brk;
4d1de87c 667 brk_page = HOST_PAGE_ALIGN(target_brk);
3a0c6c4a
PB		 668 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n",
669 target_brk);
00faf08c
PM		 670 return target_brk;
671 } else if (mapped_addr != -1) {
672 /* Mapped but at wrong address, meaning there wasn't actually
673 * enough space for this brk.
674 */
675 target_munmap(mapped_addr, new_alloc_size);
676 mapped_addr = -1;
3a0c6c4a 677 DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk);
4d1de87c
CV		 678 }
679 else {
3a0c6c4a 680 DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk);
00faf08c 681 }
7ab240ad 682
7dd46c02
RH		 683#if defined(TARGET_ALPHA)
684 /* We (partially) emulate OSF/1 on Alpha, which requires we
685 return a proper errno, not an unchanged brk value. */
00faf08c 686 return -TARGET_ENOMEM;
7dd46c02 687#endif
00faf08c 688 /* For everything else, return the previous break. */
7ab240ad 689 return target_brk;
31e31b8a
FB		 690}
691
26edcf41
TS		 692static inline abi_long copy_from_user_fdset(fd_set *fds,
693 abi_ulong target_fds_addr,
694 int n)
31e31b8a 695{
26edcf41
TS		 696 int i, nw, j, k;
697 abi_ulong b, *target_fds;
698
699 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
700 if (!(target_fds = lock_user(VERIFY_READ,
701 target_fds_addr,
702 sizeof(abi_ulong) * nw,
703 1)))
704 return -TARGET_EFAULT;
705
706 FD_ZERO(fds);
707 k = 0;
708 for (i = 0; i < nw; i++) {
709 /* grab the abi_ulong */
710 __get_user(b, &target_fds[i]);
711 for (j = 0; j < TARGET_ABI_BITS; j++) {
712 /* check the bit inside the abi_ulong */
713 if ((b >> j) & 1)
714 FD_SET(k, fds);
715 k++;
31e31b8a 716 }
31e31b8a 717 }
26edcf41
TS		 718
719 unlock_user(target_fds, target_fds_addr, 0);
720
721 return 0;
31e31b8a
FB		 722}
723
055e0906
MF		 724static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr,
725 abi_ulong target_fds_addr,
726 int n)
727{
728 if (target_fds_addr) {
729 if (copy_from_user_fdset(fds, target_fds_addr, n))
730 return -TARGET_EFAULT;
731 *fds_ptr = fds;
732 } else {
733 *fds_ptr = NULL;
734 }
735 return 0;
736}
737
26edcf41
TS		 738static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
739 const fd_set *fds,
740 int n)
31e31b8a 741{
31e31b8a 742 int i, nw, j, k;
992f48a0 743 abi_long v;
26edcf41 744 abi_ulong *target_fds;
31e31b8a 745
26edcf41
TS		 746 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
747 if (!(target_fds = lock_user(VERIFY_WRITE,
748 target_fds_addr,
749 sizeof(abi_ulong) * nw,
750 0)))
751 return -TARGET_EFAULT;
752
753 k = 0;
754 for (i = 0; i < nw; i++) {
755 v = 0;
756 for (j = 0; j < TARGET_ABI_BITS; j++) {
9ab709be 757 v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j);
26edcf41 758 k++;
31e31b8a 759 }
26edcf41 760 __put_user(v, &target_fds[i]);
31e31b8a 761 }
26edcf41
TS		 762
763 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
764
765 return 0;
31e31b8a
FB		 766}
767
c596ed17
FB		 768#if defined(__alpha__)
769#define HOST_HZ 1024
770#else
771#define HOST_HZ 100
772#endif
773
992f48a0 774static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 775{
776#if HOST_HZ == TARGET_HZ
777 return ticks;
778#else
779 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
780#endif
781}
782
579a97f7
FB		 783static inline abi_long host_to_target_rusage(abi_ulong target_addr,
784 const struct rusage *rusage)
b409186b 785{
53a5960a
PB		 786 struct target_rusage *target_rusage;
787
579a97f7
FB		 788 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
789 return -TARGET_EFAULT;
cbb21eed
MB		 790 target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec);
791 target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec);
792 target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec);
793 target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec);
794 target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss);
795 target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss);
796 target_rusage->ru_idrss = tswapal(rusage->ru_idrss);
797 target_rusage->ru_isrss = tswapal(rusage->ru_isrss);
798 target_rusage->ru_minflt = tswapal(rusage->ru_minflt);
799 target_rusage->ru_majflt = tswapal(rusage->ru_majflt);
800 target_rusage->ru_nswap = tswapal(rusage->ru_nswap);
801 target_rusage->ru_inblock = tswapal(rusage->ru_inblock);
802 target_rusage->ru_oublock = tswapal(rusage->ru_oublock);
803 target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd);
804 target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv);
805 target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals);
806 target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw);
807 target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw);
53a5960a 808 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 809
810 return 0;
b409186b
FB		 811}
812
cbb21eed 813static inline rlim_t target_to_host_rlim(abi_ulong target_rlim)
81bbe906 814{
cbb21eed 815 abi_ulong target_rlim_swap;
95b33b2f
WT		 816 rlim_t result;
817
cbb21eed
MB		 818 target_rlim_swap = tswapal(target_rlim);
819 if (target_rlim_swap == TARGET_RLIM_INFINITY)
820 return RLIM_INFINITY;
821
822 result = target_rlim_swap;
823 if (target_rlim_swap != (rlim_t)result)
824 return RLIM_INFINITY;
95b33b2f
WT		 825
826 return result;
81bbe906
TY		 827}
828
cbb21eed 829static inline abi_ulong host_to_target_rlim(rlim_t rlim)
81bbe906 830{
cbb21eed
MB		 831 abi_ulong target_rlim_swap;
832 abi_ulong result;
95b33b2f 833
cbb21eed 834 if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim)
95b33b2f 835 target_rlim_swap = TARGET_RLIM_INFINITY;
81bbe906 836 else
95b33b2f 837 target_rlim_swap = rlim;
cbb21eed 838 result = tswapal(target_rlim_swap);
95b33b2f
WT		 839
840 return result;
81bbe906
TY		 841}
842
e22b7015
WT		 843static inline int target_to_host_resource(int code)
844{
845 switch (code) {
846 case TARGET_RLIMIT_AS:
847 return RLIMIT_AS;
848 case TARGET_RLIMIT_CORE:
849 return RLIMIT_CORE;
850 case TARGET_RLIMIT_CPU:
851 return RLIMIT_CPU;
852 case TARGET_RLIMIT_DATA:
853 return RLIMIT_DATA;
854 case TARGET_RLIMIT_FSIZE:
855 return RLIMIT_FSIZE;
856 case TARGET_RLIMIT_LOCKS:
857 return RLIMIT_LOCKS;
858 case TARGET_RLIMIT_MEMLOCK:
859 return RLIMIT_MEMLOCK;
860 case TARGET_RLIMIT_MSGQUEUE:
861 return RLIMIT_MSGQUEUE;
862 case TARGET_RLIMIT_NICE:
863 return RLIMIT_NICE;
864 case TARGET_RLIMIT_NOFILE:
865 return RLIMIT_NOFILE;
866 case TARGET_RLIMIT_NPROC:
867 return RLIMIT_NPROC;
868 case TARGET_RLIMIT_RSS:
869 return RLIMIT_RSS;
870 case TARGET_RLIMIT_RTPRIO:
871 return RLIMIT_RTPRIO;
872 case TARGET_RLIMIT_SIGPENDING:
873 return RLIMIT_SIGPENDING;
874 case TARGET_RLIMIT_STACK:
875 return RLIMIT_STACK;
876 default:
877 return code;
878 }
879}
880
788f5ec4
TS		 881static inline abi_long copy_from_user_timeval(struct timeval *tv,
882 abi_ulong target_tv_addr)
31e31b8a 883{
53a5960a
PB		 884 struct target_timeval *target_tv;
885
788f5ec4 886 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 887 return -TARGET_EFAULT;
788f5ec4
TS		 888
889 __get_user(tv->tv_sec, &target_tv->tv_sec);
890 __get_user(tv->tv_usec, &target_tv->tv_usec);
891
892 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 893
894 return 0;
31e31b8a
FB		 895}
896
788f5ec4
TS		 897static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
898 const struct timeval *tv)
31e31b8a 899{
53a5960a
PB		 900 struct target_timeval *target_tv;
901
788f5ec4 902 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 903 return -TARGET_EFAULT;
788f5ec4
TS		 904
905 __put_user(tv->tv_sec, &target_tv->tv_sec);
906 __put_user(tv->tv_usec, &target_tv->tv_usec);
907
908 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 909
910 return 0;
31e31b8a
FB		 911}
912
8ec9cf89
NF		 913#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
914#include <mqueue.h>
915
24e1003a
AJ		 916static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
917 abi_ulong target_mq_attr_addr)
918{
919 struct target_mq_attr *target_mq_attr;
920
921 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
922 target_mq_attr_addr, 1))
923 return -TARGET_EFAULT;
924
925 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
926 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
927 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
928 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
929
930 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
931
932 return 0;
933}
934
935static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
936 const struct mq_attr *attr)
937{
938 struct target_mq_attr *target_mq_attr;
939
940 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
941 target_mq_attr_addr, 0))
942 return -TARGET_EFAULT;
943
944 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
945 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
946 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
947 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
948
949 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
950
951 return 0;
952}
8ec9cf89 953#endif
31e31b8a 954
055e0906 955#if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
0da46a6e 956/* do_select() must return target values and target errnos. */
992f48a0 957static abi_long do_select(int n,
26edcf41
TS		 958 abi_ulong rfd_addr, abi_ulong wfd_addr,
959 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 960{
961 fd_set rfds, wfds, efds;
962 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
963 struct timeval tv, *tv_ptr;
992f48a0 964 abi_long ret;
31e31b8a 965
055e0906
MF		 966 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
967 if (ret) {
968 return ret;
53a5960a 969 }
055e0906
MF		 970 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
971 if (ret) {
972 return ret;
53a5960a 973 }
055e0906
MF		 974 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
975 if (ret) {
976 return ret;
53a5960a 977 }
3b46e624 978
26edcf41 979 if (target_tv_addr) {
788f5ec4
TS		 980 if (copy_from_user_timeval(&tv, target_tv_addr))
981 return -TARGET_EFAULT;
31e31b8a
FB		 982 tv_ptr = &tv;
983 } else {
984 tv_ptr = NULL;
985 }
26edcf41 986
31e31b8a 987 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 988
26edcf41
TS		 989 if (!is_error(ret)) {
990 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
991 return -TARGET_EFAULT;
992 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
993 return -TARGET_EFAULT;
994 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
995 return -TARGET_EFAULT;
31e31b8a 996
788f5ec4
TS		 997 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
998 return -TARGET_EFAULT;
31e31b8a 999 }
579a97f7 1000
31e31b8a
FB		 1001 return ret;
1002}
055e0906 1003#endif
31e31b8a 1004
099d6b0f
RV		 1005static abi_long do_pipe2(int host_pipe[], int flags)
1006{
1007#ifdef CONFIG_PIPE2
1008 return pipe2(host_pipe, flags);
1009#else
1010 return -ENOSYS;
1011#endif
1012}
1013
fb41a66e
RH		 1014static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
1015 int flags, int is_pipe2)
099d6b0f
RV		 1016{
1017 int host_pipe[2];
1018 abi_long ret;
1019 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1020
1021 if (is_error(ret))
1022 return get_errno(ret);
fb41a66e
RH		 1023
1024 /* Several targets have special calling conventions for the original
1025 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1026 if (!is_pipe2) {
1027#if defined(TARGET_ALPHA)
1028 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1029 return host_pipe[0];
1030#elif defined(TARGET_MIPS)
1031 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1032 return host_pipe[0];
1033#elif defined(TARGET_SH4)
597c0212 1034 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
fb41a66e 1035 return host_pipe[0];
82f05b69
PM		 1036#elif defined(TARGET_SPARC)
1037 ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1];
1038 return host_pipe[0];
597c0212 1039#endif
fb41a66e
RH		 1040 }
1041
099d6b0f
RV		 1042 if (put_user_s32(host_pipe[0], pipedes)
1043 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1044 return -TARGET_EFAULT;
099d6b0f
RV		 1045 return get_errno(ret);
1046}
1047
b975b83b
LL		 1048static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1049 abi_ulong target_addr,
1050 socklen_t len)
1051{
1052 struct target_ip_mreqn *target_smreqn;
1053
1054 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1055 if (!target_smreqn)
1056 return -TARGET_EFAULT;
1057 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1058 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1059 if (len == sizeof(struct target_ip_mreqn))
cbb21eed 1060 mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex);
b975b83b
LL		 1061 unlock_user(target_smreqn, target_addr, 0);
1062
1063 return 0;
1064}
1065
579a97f7
FB		 1066static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1067 abi_ulong target_addr,
1068 socklen_t len)
7854b056 1069{
607175e0
AJ		 1070 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1071 sa_family_t sa_family;
53a5960a
PB		 1072 struct target_sockaddr *target_saddr;
1073
579a97f7
FB		 1074 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1075 if (!target_saddr)
1076 return -TARGET_EFAULT;
607175e0
AJ		 1077
1078 sa_family = tswap16(target_saddr->sa_family);
1079
1080 /* Oops. The caller might send a incomplete sun_path; sun_path
1081 * must be terminated by \0 (see the manual page), but
1082 * unfortunately it is quite common to specify sockaddr_un
1083 * length as "strlen(x->sun_path)" while it should be
1084 * "strlen(...) + 1". We'll fix that here if needed.
1085 * Linux kernel has a similar feature.
1086 */
1087
1088 if (sa_family == AF_UNIX) {
1089 if (len < unix_maxlen && len > 0) {
1090 char *cp = (char*)target_saddr;
1091
1092 if ( cp[len-1] && !cp[len] )
1093 len++;
1094 }
1095 if (len > unix_maxlen)
1096 len = unix_maxlen;
1097 }
1098
53a5960a 1099 memcpy(addr, target_saddr, len);
607175e0 1100 addr->sa_family = sa_family;
53a5960a 1101 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1102
1103 return 0;
7854b056
FB		 1104}
1105
579a97f7
FB		 1106static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1107 struct sockaddr *addr,
1108 socklen_t len)
7854b056 1109{
53a5960a
PB		 1110 struct target_sockaddr *target_saddr;
1111
579a97f7
FB		 1112 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1113 if (!target_saddr)
1114 return -TARGET_EFAULT;
53a5960a
PB		 1115 memcpy(target_saddr, addr, len);
1116 target_saddr->sa_family = tswap16(addr->sa_family);
1117 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1118
1119 return 0;
7854b056
FB		 1120}
1121
5a4a898d
FB		 1122static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1123 struct target_msghdr *target_msgh)
7854b056
FB		 1124{
1125 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1126 abi_long msg_controllen;
1127 abi_ulong target_cmsg_addr;
1128 struct target_cmsghdr *target_cmsg;
7854b056 1129 socklen_t space = 0;
5a4a898d 1130
cbb21eed 1131 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1132 if (msg_controllen < sizeof (struct target_cmsghdr))
1133 goto the_end;
cbb21eed 1134 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1135 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1136 if (!target_cmsg)
1137 return -TARGET_EFAULT;
7854b056
FB		 1138
1139 while (cmsg && target_cmsg) {
1140 void *data = CMSG_DATA(cmsg);
1141 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1142
cbb21eed 1143 int len = tswapal(target_cmsg->cmsg_len)
7854b056
FB		 1144 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1145
1146 space += CMSG_SPACE(len);
1147 if (space > msgh->msg_controllen) {
1148 space -= CMSG_SPACE(len);
31febb71 1149 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1150 break;
1151 }
1152
dbf4f796
PJ		 1153 if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) {
1154 cmsg->cmsg_level = SOL_SOCKET;
1155 } else {
1156 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1157 }
7854b056
FB		 1158 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1159 cmsg->cmsg_len = CMSG_LEN(len);
1160
dbf4f796 1161 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1162 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1163 memcpy(data, target_data, len);
1164 } else {
1165 int *fd = (int *)data;
1166 int *target_fd = (int *)target_data;
1167 int i, numfds = len / sizeof(int);
1168
1169 for (i = 0; i < numfds; i++)
1170 fd[i] = tswap32(target_fd[i]);
1171 }
1172
1173 cmsg = CMSG_NXTHDR(msgh, cmsg);
1174 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1175 }
5a4a898d
FB		 1176 unlock_user(target_cmsg, target_cmsg_addr, 0);
1177 the_end:
7854b056 1178 msgh->msg_controllen = space;
5a4a898d 1179 return 0;
7854b056
FB		 1180}
1181
5a4a898d
FB		 1182static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1183 struct msghdr *msgh)
7854b056
FB		 1184{
1185 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1186 abi_long msg_controllen;
1187 abi_ulong target_cmsg_addr;
1188 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1189 socklen_t space = 0;
1190
cbb21eed 1191 msg_controllen = tswapal(target_msgh->msg_controllen);
5a4a898d
FB		 1192 if (msg_controllen < sizeof (struct target_cmsghdr))
1193 goto the_end;
cbb21eed 1194 target_cmsg_addr = tswapal(target_msgh->msg_control);
5a4a898d
FB		 1195 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1196 if (!target_cmsg)
1197 return -TARGET_EFAULT;
1198
7854b056
FB		 1199 while (cmsg && target_cmsg) {
1200 void *data = CMSG_DATA(cmsg);
1201 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1202
1203 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1204
1205 space += TARGET_CMSG_SPACE(len);
5a4a898d 1206 if (space > msg_controllen) {
7854b056 1207 space -= TARGET_CMSG_SPACE(len);
31febb71 1208 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1209 break;
1210 }
1211
dbf4f796
PJ		 1212 if (cmsg->cmsg_level == SOL_SOCKET) {
1213 target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET);
1214 } else {
1215 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1216 }
7854b056 1217 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
cbb21eed 1218 target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
7854b056 1219
dbf4f796 1220 if ((cmsg->cmsg_level == SOL_SOCKET) &&
aebf5bc7 1221 (cmsg->cmsg_type == SCM_RIGHTS)) {
7854b056
FB		 1222 int *fd = (int *)data;
1223 int *target_fd = (int *)target_data;
1224 int i, numfds = len / sizeof(int);
1225
1226 for (i = 0; i < numfds; i++)
1227 target_fd[i] = tswap32(fd[i]);
dbf4f796 1228 } else if ((cmsg->cmsg_level == SOL_SOCKET) &&
aebf5bc7
JH		 1229 (cmsg->cmsg_type == SO_TIMESTAMP) &&
1230 (len == sizeof(struct timeval))) {
1231 /* copy struct timeval to target */
1232 struct timeval *tv = (struct timeval *)data;
1233 struct target_timeval *target_tv =
1234 (struct target_timeval *)target_data;
1235
1236 target_tv->tv_sec = tswapal(tv->tv_sec);
1237 target_tv->tv_usec = tswapal(tv->tv_usec);
1238 } else {
1239 gemu_log("Unsupported ancillary data: %d/%d\n",
1240 cmsg->cmsg_level, cmsg->cmsg_type);
1241 memcpy(target_data, data, len);
7854b056
FB		 1242 }
1243
1244 cmsg = CMSG_NXTHDR(msgh, cmsg);
1245 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1246 }
5a4a898d
FB		 1247 unlock_user(target_cmsg, target_cmsg_addr, space);
1248 the_end:
cbb21eed 1249 target_msgh->msg_controllen = tswapal(space);
5a4a898d 1250 return 0;
7854b056
FB		 1251}
1252
0da46a6e 1253/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1254static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1255 abi_ulong optval_addr, socklen_t optlen)
7854b056 1256{
992f48a0 1257 abi_long ret;
32407103 1258 int val;
b975b83b 1259 struct ip_mreqn *ip_mreq;
6e3cb58f 1260 struct ip_mreq_source *ip_mreq_source;
3b46e624 1261
8853f86e
FB		 1262 switch(level) {
1263 case SOL_TCP:
7854b056 1264 /* TCP options all take an 'int' value. */
7854b056 1265 if (optlen < sizeof(uint32_t))
0da46a6e 1266 return -TARGET_EINVAL;
3b46e624 1267
2f619698
FB		 1268 if (get_user_u32(val, optval_addr))
1269 return -TARGET_EFAULT;
8853f86e
FB		 1270 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1271 break;
1272 case SOL_IP:
1273 switch(optname) {
2efbe911
FB		 1274 case IP_TOS:
1275 case IP_TTL:
8853f86e 1276 case IP_HDRINCL:
2efbe911
FB		 1277 case IP_ROUTER_ALERT:
1278 case IP_RECVOPTS:
1279 case IP_RETOPTS:
1280 case IP_PKTINFO:
1281 case IP_MTU_DISCOVER:
1282 case IP_RECVERR:
1283 case IP_RECVTOS:
1284#ifdef IP_FREEBIND
1285 case IP_FREEBIND:
1286#endif
1287 case IP_MULTICAST_TTL:
1288 case IP_MULTICAST_LOOP:
8853f86e
FB		 1289 val = 0;
1290 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1291 if (get_user_u32(val, optval_addr))
1292 return -TARGET_EFAULT;
8853f86e 1293 } else if (optlen >= 1) {
2f619698
FB		 1294 if (get_user_u8(val, optval_addr))
1295 return -TARGET_EFAULT;
8853f86e
FB		 1296 }
1297 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1298 break;
b975b83b
LL		 1299 case IP_ADD_MEMBERSHIP:
1300 case IP_DROP_MEMBERSHIP:
1301 if (optlen < sizeof (struct target_ip_mreq) ||
1302 optlen > sizeof (struct target_ip_mreqn))
1303 return -TARGET_EINVAL;
1304
1305 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1306 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1307 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1308 break;
1309
6e3cb58f
LL		 1310 case IP_BLOCK_SOURCE:
1311 case IP_UNBLOCK_SOURCE:
1312 case IP_ADD_SOURCE_MEMBERSHIP:
1313 case IP_DROP_SOURCE_MEMBERSHIP:
1314 if (optlen != sizeof (struct target_ip_mreq_source))
1315 return -TARGET_EINVAL;
1316
1317 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1318 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1319 unlock_user (ip_mreq_source, optval_addr, 0);
1320 break;
1321
920394db
JH		 1322 default:
1323 goto unimplemented;
1324 }
1325 break;
0d78b3b5
LV		 1326 case SOL_IPV6:
1327 switch (optname) {
1328 case IPV6_MTU_DISCOVER:
1329 case IPV6_MTU:
1330 case IPV6_V6ONLY:
1331 case IPV6_RECVPKTINFO:
1332 val = 0;
1333 if (optlen < sizeof(uint32_t)) {
1334 return -TARGET_EINVAL;
1335 }
1336 if (get_user_u32(val, optval_addr)) {
1337 return -TARGET_EFAULT;
1338 }
1339 ret = get_errno(setsockopt(sockfd, level, optname,
1340 &val, sizeof(val)));
1341 break;
1342 default:
1343 goto unimplemented;
1344 }
1345 break;
920394db
JH		 1346 case SOL_RAW:
1347 switch (optname) {
1348 case ICMP_FILTER:
1349 /* struct icmp_filter takes an u32 value */
1350 if (optlen < sizeof(uint32_t)) {
1351 return -TARGET_EINVAL;
1352 }
1353
1354 if (get_user_u32(val, optval_addr)) {
1355 return -TARGET_EFAULT;
1356 }
1357 ret = get_errno(setsockopt(sockfd, level, optname,
1358 &val, sizeof(val)));
1359 break;
1360
8853f86e
FB		 1361 default:
1362 goto unimplemented;
1363 }
1364 break;
3532fa74 1365 case TARGET_SOL_SOCKET:
8853f86e 1366 switch (optname) {
1b09aeb9
LV		 1367 case TARGET_SO_RCVTIMEO:
1368 {
1369 struct timeval tv;
1370
1371 optname = SO_RCVTIMEO;
1372
1373set_timeout:
1374 if (optlen != sizeof(struct target_timeval)) {
1375 return -TARGET_EINVAL;
1376 }
1377
1378 if (copy_from_user_timeval(&tv, optval_addr)) {
1379 return -TARGET_EFAULT;
1380 }
1381
1382 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname,
1383 &tv, sizeof(tv)));
1384 return ret;
1385 }
1386 case TARGET_SO_SNDTIMEO:
1387 optname = SO_SNDTIMEO;
1388 goto set_timeout;
f57d4192
LV		 1389 case TARGET_SO_ATTACH_FILTER:
1390 {
1391 struct target_sock_fprog *tfprog;
1392 struct target_sock_filter *tfilter;
1393 struct sock_fprog fprog;
1394 struct sock_filter *filter;
1395 int i;
1396
1397 if (optlen != sizeof(*tfprog)) {
1398 return -TARGET_EINVAL;
1399 }
1400 if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) {
1401 return -TARGET_EFAULT;
1402 }
1403 if (!lock_user_struct(VERIFY_READ, tfilter,
1404 tswapal(tfprog->filter), 0)) {
1405 unlock_user_struct(tfprog, optval_addr, 1);
1406 return -TARGET_EFAULT;
1407 }
1408
1409 fprog.len = tswap16(tfprog->len);
1410 filter = malloc(fprog.len * sizeof(*filter));
1411 if (filter == NULL) {
1412 unlock_user_struct(tfilter, tfprog->filter, 1);
1413 unlock_user_struct(tfprog, optval_addr, 1);
1414 return -TARGET_ENOMEM;
1415 }
1416 for (i = 0; i < fprog.len; i++) {
1417 filter[i].code = tswap16(tfilter[i].code);
1418 filter[i].jt = tfilter[i].jt;
1419 filter[i].jf = tfilter[i].jf;
1420 filter[i].k = tswap32(tfilter[i].k);
1421 }
1422 fprog.filter = filter;
1423
1424 ret = get_errno(setsockopt(sockfd, SOL_SOCKET,
1425 SO_ATTACH_FILTER, &fprog, sizeof(fprog)));
1426 free(filter);
1427
1428 unlock_user_struct(tfilter, tfprog->filter, 1);
1429 unlock_user_struct(tfprog, optval_addr, 1);
1430 return ret;
1431 }
8853f86e 1432 /* Options with 'int' argument. */
3532fa74
FB		 1433 case TARGET_SO_DEBUG:
1434 optname = SO_DEBUG;
1435 break;
1436 case TARGET_SO_REUSEADDR:
1437 optname = SO_REUSEADDR;
1438 break;
1439 case TARGET_SO_TYPE:
1440 optname = SO_TYPE;
1441 break;
1442 case TARGET_SO_ERROR:
1443 optname = SO_ERROR;
1444 break;
1445 case TARGET_SO_DONTROUTE:
1446 optname = SO_DONTROUTE;
1447 break;
1448 case TARGET_SO_BROADCAST:
1449 optname = SO_BROADCAST;
1450 break;
1451 case TARGET_SO_SNDBUF:
1452 optname = SO_SNDBUF;
1453 break;
1454 case TARGET_SO_RCVBUF:
1455 optname = SO_RCVBUF;
1456 break;
1457 case TARGET_SO_KEEPALIVE:
1458 optname = SO_KEEPALIVE;
1459 break;
1460 case TARGET_SO_OOBINLINE:
1461 optname = SO_OOBINLINE;
1462 break;
1463 case TARGET_SO_NO_CHECK:
1464 optname = SO_NO_CHECK;
1465 break;
1466 case TARGET_SO_PRIORITY:
1467 optname = SO_PRIORITY;
1468 break;
5e83e8e3 1469#ifdef SO_BSDCOMPAT
3532fa74
FB		 1470 case TARGET_SO_BSDCOMPAT:
1471 optname = SO_BSDCOMPAT;
1472 break;
5e83e8e3 1473#endif
3532fa74
FB		 1474 case TARGET_SO_PASSCRED:
1475 optname = SO_PASSCRED;
1476 break;
1477 case TARGET_SO_TIMESTAMP:
1478 optname = SO_TIMESTAMP;
1479 break;
1480 case TARGET_SO_RCVLOWAT:
1481 optname = SO_RCVLOWAT;
1482 break;
8853f86e
FB		 1483 break;
1484 default:
1485 goto unimplemented;
1486 }
3532fa74 1487 if (optlen < sizeof(uint32_t))
2f619698 1488 return -TARGET_EINVAL;
3532fa74 1489
2f619698
FB		 1490 if (get_user_u32(val, optval_addr))
1491 return -TARGET_EFAULT;
3532fa74 1492 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1493 break;
7854b056 1494 default:
8853f86e 1495 unimplemented:
b2bedb21 1496 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname);
6fa13c17 1497 ret = -TARGET_ENOPROTOOPT;
7854b056 1498 }
8853f86e 1499 return ret;
7854b056
FB		 1500}
1501
0da46a6e 1502/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1503static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1504 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1505{
992f48a0 1506 abi_long ret;
b55266b5
BS		 1507 int len, val;
1508 socklen_t lv;
8853f86e
FB		 1509
1510 switch(level) {
3532fa74 1511 case TARGET_SOL_SOCKET:
f3b974cd
JL		 1512 level = SOL_SOCKET;
1513 switch (optname) {
1514 /* These don't just return a single integer */
1515 case TARGET_SO_LINGER:
1516 case TARGET_SO_RCVTIMEO:
1517 case TARGET_SO_SNDTIMEO:
f3b974cd
JL		 1518 case TARGET_SO_PEERNAME:
1519 goto unimplemented;
583359a6
AP		 1520 case TARGET_SO_PEERCRED: {
1521 struct ucred cr;
1522 socklen_t crlen;
1523 struct target_ucred *tcr;
1524
1525 if (get_user_u32(len, optlen)) {
1526 return -TARGET_EFAULT;
1527 }
1528 if (len < 0) {
1529 return -TARGET_EINVAL;
1530 }
1531
1532 crlen = sizeof(cr);
1533 ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED,
1534 &cr, &crlen));
1535 if (ret < 0) {
1536 return ret;
1537 }
1538 if (len > crlen) {
1539 len = crlen;
1540 }
1541 if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) {
1542 return -TARGET_EFAULT;
1543 }
1544 __put_user(cr.pid, &tcr->pid);
1545 __put_user(cr.uid, &tcr->uid);
1546 __put_user(cr.gid, &tcr->gid);
1547 unlock_user_struct(tcr, optval_addr, 1);
1548 if (put_user_u32(len, optlen)) {
1549 return -TARGET_EFAULT;
1550 }
1551 break;
1552 }
f3b974cd
JL		 1553 /* Options with 'int' argument. */
1554 case TARGET_SO_DEBUG:
1555 optname = SO_DEBUG;
1556 goto int_case;
1557 case TARGET_SO_REUSEADDR:
1558 optname = SO_REUSEADDR;
1559 goto int_case;
1560 case TARGET_SO_TYPE:
1561 optname = SO_TYPE;
1562 goto int_case;
1563 case TARGET_SO_ERROR:
1564 optname = SO_ERROR;
1565 goto int_case;
1566 case TARGET_SO_DONTROUTE:
1567 optname = SO_DONTROUTE;
1568 goto int_case;
1569 case TARGET_SO_BROADCAST:
1570 optname = SO_BROADCAST;
1571 goto int_case;
1572 case TARGET_SO_SNDBUF:
1573 optname = SO_SNDBUF;
1574 goto int_case;
1575 case TARGET_SO_RCVBUF:
1576 optname = SO_RCVBUF;
1577 goto int_case;
1578 case TARGET_SO_KEEPALIVE:
1579 optname = SO_KEEPALIVE;
1580 goto int_case;
1581 case TARGET_SO_OOBINLINE:
1582 optname = SO_OOBINLINE;
1583 goto int_case;
1584 case TARGET_SO_NO_CHECK:
1585 optname = SO_NO_CHECK;
1586 goto int_case;
1587 case TARGET_SO_PRIORITY:
1588 optname = SO_PRIORITY;
1589 goto int_case;
1590#ifdef SO_BSDCOMPAT
1591 case TARGET_SO_BSDCOMPAT:
1592 optname = SO_BSDCOMPAT;
1593 goto int_case;
1594#endif
1595 case TARGET_SO_PASSCRED:
1596 optname = SO_PASSCRED;
1597 goto int_case;
1598 case TARGET_SO_TIMESTAMP:
1599 optname = SO_TIMESTAMP;
1600 goto int_case;
1601 case TARGET_SO_RCVLOWAT:
1602 optname = SO_RCVLOWAT;
1603 goto int_case;
8853f86e 1604 default:
2efbe911
FB		 1605 goto int_case;
1606 }
1607 break;
1608 case SOL_TCP:
1609 /* TCP options all take an 'int' value. */
1610 int_case:
2f619698
FB		 1611 if (get_user_u32(len, optlen))
1612 return -TARGET_EFAULT;
2efbe911 1613 if (len < 0)
0da46a6e 1614 return -TARGET_EINVAL;
73160d95 1615 lv = sizeof(lv);
2efbe911
FB		 1616 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1617 if (ret < 0)
1618 return ret;
2efbe911
FB		 1619 if (len > lv)
1620 len = lv;
2f619698
FB		 1621 if (len == 4) {
1622 if (put_user_u32(val, optval_addr))
1623 return -TARGET_EFAULT;
1624 } else {
1625 if (put_user_u8(val, optval_addr))
1626 return -TARGET_EFAULT;
f3b974cd 1627 }
2f619698
FB		 1628 if (put_user_u32(len, optlen))
1629 return -TARGET_EFAULT;
2efbe911
FB		 1630 break;
1631 case SOL_IP:
1632 switch(optname) {
1633 case IP_TOS:
1634 case IP_TTL:
1635 case IP_HDRINCL:
1636 case IP_ROUTER_ALERT:
1637 case IP_RECVOPTS:
1638 case IP_RETOPTS:
1639 case IP_PKTINFO:
1640 case IP_MTU_DISCOVER:
1641 case IP_RECVERR:
1642 case IP_RECVTOS:
1643#ifdef IP_FREEBIND
1644 case IP_FREEBIND:
1645#endif
1646 case IP_MULTICAST_TTL:
1647 case IP_MULTICAST_LOOP:
2f619698
FB		 1648 if (get_user_u32(len, optlen))
1649 return -TARGET_EFAULT;
8853f86e 1650 if (len < 0)
0da46a6e 1651 return -TARGET_EINVAL;
73160d95 1652 lv = sizeof(lv);
8853f86e
FB		 1653 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1654 if (ret < 0)
1655 return ret;
2efbe911 1656 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1657 len = 1;
2f619698
FB		 1658 if (put_user_u32(len, optlen)
1659 || put_user_u8(val, optval_addr))
1660 return -TARGET_EFAULT;
2efbe911 1661 } else {
2efbe911
FB		 1662 if (len > sizeof(int))
1663 len = sizeof(int);
2f619698
FB		 1664 if (put_user_u32(len, optlen)
1665 || put_user_u32(val, optval_addr))
1666 return -TARGET_EFAULT;
2efbe911 1667 }
8853f86e 1668 break;
2efbe911 1669 default:
c02f499e
TS		 1670 ret = -TARGET_ENOPROTOOPT;
1671 break;
8853f86e
FB		 1672 }
1673 break;
1674 default:
1675 unimplemented:
1676 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1677 level, optname);
c02f499e 1678 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1679 break;
1680 }
1681 return ret;
7854b056
FB		 1682}
1683
f287b2c2
RH		 1684static struct iovec *lock_iovec(int type, abi_ulong target_addr,
1685 int count, int copy)
53a5960a
PB		 1686{
1687 struct target_iovec *target_vec;
f287b2c2
RH		 1688 struct iovec *vec;
1689 abi_ulong total_len, max_len;
d732dcb4 1690 int i;
53a5960a 1691
f287b2c2
RH		 1692 if (count == 0) {
1693 errno = 0;
1694 return NULL;
1695 }
dfae8e00 1696 if (count < 0 || count > IOV_MAX) {
f287b2c2
RH		 1697 errno = EINVAL;
1698 return NULL;
1699 }
1700
1701 vec = calloc(count, sizeof(struct iovec));
1702 if (vec == NULL) {
1703 errno = ENOMEM;
1704 return NULL;
1705 }
1706
1707 target_vec = lock_user(VERIFY_READ, target_addr,
1708 count * sizeof(struct target_iovec), 1);
1709 if (target_vec == NULL) {
1710 errno = EFAULT;
1711 goto fail2;
1712 }
1713
1714 /* ??? If host page size > target page size, this will result in a
1715 value larger than what we can actually support. */
1716 max_len = 0x7fffffff & TARGET_PAGE_MASK;
1717 total_len = 0;
1718
1719 for (i = 0; i < count; i++) {
1720 abi_ulong base = tswapal(target_vec[i].iov_base);
1721 abi_long len = tswapal(target_vec[i].iov_len);
1722
1723 if (len < 0) {
1724 errno = EINVAL;
1725 goto fail;
1726 } else if (len == 0) {
1727 /* Zero length pointer is ignored. */
1728 vec[i].iov_base = 0;
41df8411 1729 } else {
f287b2c2
RH		 1730 vec[i].iov_base = lock_user(type, base, len, copy);
1731 if (!vec[i].iov_base) {
1732 errno = EFAULT;
1733 goto fail;
1734 }
1735 if (len > max_len - total_len) {
1736 len = max_len - total_len;
1737 }
41df8411 1738 }
f287b2c2
RH		 1739 vec[i].iov_len = len;
1740 total_len += len;
579a97f7 1741 }
f287b2c2
RH		 1742
1743 unlock_user(target_vec, target_addr, 0);
1744 return vec;
1745
1746 fail:
1747 free(vec);
1748 fail2:
1749 unlock_user(target_vec, target_addr, 0);
1750 return NULL;
53a5960a
PB		 1751}
1752
f287b2c2
RH		 1753static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1754 int count, int copy)
53a5960a
PB		 1755{
1756 struct target_iovec *target_vec;
53a5960a
PB		 1757 int i;
1758
f287b2c2
RH		 1759 target_vec = lock_user(VERIFY_READ, target_addr,
1760 count * sizeof(struct target_iovec), 1);
1761 if (target_vec) {
1762 for (i = 0; i < count; i++) {
1763 abi_ulong base = tswapal(target_vec[i].iov_base);
1764 abi_long len = tswapal(target_vec[i].iov_base);
1765 if (len < 0) {
1766 break;
1767 }
d732dcb4
AZ		 1768 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1769 }
f287b2c2 1770 unlock_user(target_vec, target_addr, 0);
53a5960a 1771 }
579a97f7 1772
f287b2c2 1773 free(vec);
53a5960a
PB		 1774}
1775
53d09b76 1776static inline int target_to_host_sock_type(int *type)
3532fa74 1777{
f651e6ae
PJ		 1778 int host_type = 0;
1779 int target_type = *type;
1780
1781 switch (target_type & TARGET_SOCK_TYPE_MASK) {
3532fa74 1782 case TARGET_SOCK_DGRAM:
f651e6ae 1783 host_type = SOCK_DGRAM;
3532fa74
FB		 1784 break;
1785 case TARGET_SOCK_STREAM:
f651e6ae 1786 host_type = SOCK_STREAM;
3532fa74 1787 break;
f651e6ae
PJ		 1788 default:
1789 host_type = target_type & TARGET_SOCK_TYPE_MASK;
3532fa74
FB		 1790 break;
1791 }
f651e6ae 1792 if (target_type & TARGET_SOCK_CLOEXEC) {
53d09b76 1793#if defined(SOCK_CLOEXEC)
f651e6ae 1794 host_type |= SOCK_CLOEXEC;
53d09b76
EI		 1795#else
1796 return -TARGET_EINVAL;
1797#endif
f651e6ae
PJ		 1798 }
1799 if (target_type & TARGET_SOCK_NONBLOCK) {
53d09b76 1800#if defined(SOCK_NONBLOCK)
f651e6ae 1801 host_type |= SOCK_NONBLOCK;
53d09b76
EI		 1802#elif !defined(O_NONBLOCK)
1803 return -TARGET_EINVAL;
1804#endif
f651e6ae
PJ		 1805 }
1806 *type = host_type;
53d09b76
EI		 1807 return 0;
1808}
1809
1810/* Try to emulate socket type flags after socket creation. */
1811static int sock_flags_fixup(int fd, int target_type)
1812{
1813#if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK)
1814 if (target_type & TARGET_SOCK_NONBLOCK) {
1815 int flags = fcntl(fd, F_GETFL);
1816 if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) {
1817 close(fd);
1818 return -TARGET_EINVAL;
1819 }
1820 }
1821#endif
1822 return fd;
f651e6ae
PJ		 1823}
1824
1825/* do_socket() Must return target values and target errnos. */
1826static abi_long do_socket(int domain, int type, int protocol)
1827{
53d09b76
EI		 1828 int target_type = type;
1829 int ret;
1830
1831 ret = target_to_host_sock_type(&type);
1832 if (ret) {
1833 return ret;
1834 }
f651e6ae 1835
12bc92ab
AZ		 1836 if (domain == PF_NETLINK)
1837 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
53d09b76
EI		 1838 ret = get_errno(socket(domain, type, protocol));
1839 if (ret >= 0) {
1840 ret = sock_flags_fixup(ret, target_type);
1841 }
1842 return ret;
3532fa74
FB		 1843}
1844
0da46a6e 1845/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1846static abi_long do_bind(int sockfd, abi_ulong target_addr,
1847 socklen_t addrlen)
3532fa74 1848{
8f7aeaf6 1849 void *addr;
917507b0 1850 abi_long ret;
8f7aeaf6 1851
38724253 1852 if ((int)addrlen < 0) {
8f7aeaf6 1853 return -TARGET_EINVAL;
38724253 1854 }
8f7aeaf6 1855
607175e0 1856 addr = alloca(addrlen+1);
3b46e624 1857
917507b0
AP		 1858 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1859 if (ret)
1860 return ret;
1861
3532fa74
FB		 1862 return get_errno(bind(sockfd, addr, addrlen));
1863}
1864
0da46a6e 1865/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1866static abi_long do_connect(int sockfd, abi_ulong target_addr,
1867 socklen_t addrlen)
3532fa74 1868{
8f7aeaf6 1869 void *addr;
917507b0 1870 abi_long ret;
8f7aeaf6 1871
38724253 1872 if ((int)addrlen < 0) {
8f7aeaf6 1873 return -TARGET_EINVAL;
38724253 1874 }
8f7aeaf6
AJ		 1875
1876 addr = alloca(addrlen);
3b46e624 1877
917507b0
AP		 1878 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1879 if (ret)
1880 return ret;
1881
3532fa74
FB		 1882 return get_errno(connect(sockfd, addr, addrlen));
1883}
1884
0da46a6e 1885/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1886static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1887 int flags, int send)
3532fa74 1888{
6de645c7 1889 abi_long ret, len;
3532fa74
FB		 1890 struct target_msghdr *msgp;
1891 struct msghdr msg;
1892 int count;
1893 struct iovec *vec;
992f48a0 1894 abi_ulong target_vec;
3532fa74 1895
579a97f7
FB		 1896 /* FIXME */
1897 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1898 msgp,
1899 target_msg,
1900 send ? 1 : 0))
1901 return -TARGET_EFAULT;
3532fa74
FB		 1902 if (msgp->msg_name) {
1903 msg.msg_namelen = tswap32(msgp->msg_namelen);
1904 msg.msg_name = alloca(msg.msg_namelen);
cbb21eed 1905 ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
3532fa74 1906 msg.msg_namelen);
917507b0 1907 if (ret) {
f287b2c2 1908 goto out2;
917507b0 1909 }
3532fa74
FB		 1910 } else {
1911 msg.msg_name = NULL;
1912 msg.msg_namelen = 0;
1913 }
cbb21eed 1914 msg.msg_controllen = 2 * tswapal(msgp->msg_controllen);
3532fa74
FB		 1915 msg.msg_control = alloca(msg.msg_controllen);
1916 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1917
cbb21eed 1918 count = tswapal(msgp->msg_iovlen);
cbb21eed 1919 target_vec = tswapal(msgp->msg_iov);
f287b2c2
RH		 1920 vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE,
1921 target_vec, count, send);
1922 if (vec == NULL) {
1923 ret = -host_to_target_errno(errno);
1924 goto out2;
1925 }
3532fa74
FB		 1926 msg.msg_iovlen = count;
1927 msg.msg_iov = vec;
3b46e624 1928
3532fa74 1929 if (send) {
5a4a898d
FB		 1930 ret = target_to_host_cmsg(&msg, msgp);
1931 if (ret == 0)
1932 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1933 } else {
1934 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1935 if (!is_error(ret)) {
1936 len = ret;
5a4a898d 1937 ret = host_to_target_cmsg(msgp, &msg);
ca619067
JH		 1938 if (!is_error(ret)) {
1939 msgp->msg_namelen = tswap32(msg.msg_namelen);
1940 if (msg.msg_name != NULL) {
1941 ret = host_to_target_sockaddr(tswapal(msgp->msg_name),
1942 msg.msg_name, msg.msg_namelen);
1943 if (ret) {
1944 goto out;
1945 }
1946 }
1947
6de645c7 1948 ret = len;
ca619067 1949 }
6de645c7 1950 }
3532fa74 1951 }
ca619067
JH		 1952
1953out:
3532fa74 1954 unlock_iovec(vec, target_vec, count, !send);
f287b2c2 1955out2:
579a97f7 1956 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1957 return ret;
1958}
1959
a94b4987
PM		 1960/* If we don't have a system accept4() then just call accept.
1961 * The callsites to do_accept4() will ensure that they don't
1962 * pass a non-zero flags argument in this config.
1963 */
1964#ifndef CONFIG_ACCEPT4
1965static inline int accept4(int sockfd, struct sockaddr *addr,
1966 socklen_t *addrlen, int flags)
1967{
1968 assert(flags == 0);
1969 return accept(sockfd, addr, addrlen);
1970}
1971#endif
1972
1973/* do_accept4() Must return target values and target errnos. */
1974static abi_long do_accept4(int fd, abi_ulong target_addr,
1975 abi_ulong target_addrlen_addr, int flags)
1be9e1dc 1976{
2f619698
FB		 1977 socklen_t addrlen;
1978 void *addr;
992f48a0 1979 abi_long ret;
1be9e1dc 1980
a94b4987
PM		 1981 if (target_addr == 0) {
1982 return get_errno(accept4(fd, NULL, NULL, flags));
1983 }
917507b0
AP		 1984
1985 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1986 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1987 return -TARGET_EINVAL;
2f619698 1988
38724253 1989 if ((int)addrlen < 0) {
8f7aeaf6 1990 return -TARGET_EINVAL;
38724253 1991 }
8f7aeaf6 1992
917507b0
AP		 1993 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1994 return -TARGET_EINVAL;
1995
2f619698
FB		 1996 addr = alloca(addrlen);
1997
a94b4987 1998 ret = get_errno(accept4(fd, addr, &addrlen, flags));
1be9e1dc
PB		 1999 if (!is_error(ret)) {
2000 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2001 if (put_user_u32(addrlen, target_addrlen_addr))
2002 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2003 }
2004 return ret;
2005}
2006
0da46a6e 2007/* do_getpeername() Must return target values and target errnos. */
992f48a0 2008static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 2009 abi_ulong target_addrlen_addr)
1be9e1dc 2010{
2f619698
FB		 2011 socklen_t addrlen;
2012 void *addr;
992f48a0 2013 abi_long ret;
1be9e1dc 2014
2f619698
FB		 2015 if (get_user_u32(addrlen, target_addrlen_addr))
2016 return -TARGET_EFAULT;
2017
38724253 2018 if ((int)addrlen < 0) {
8f7aeaf6 2019 return -TARGET_EINVAL;
38724253 2020 }
8f7aeaf6 2021
917507b0
AP		 2022 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2023 return -TARGET_EFAULT;
2024
2f619698
FB		 2025 addr = alloca(addrlen);
2026
1be9e1dc
PB		 2027 ret = get_errno(getpeername(fd, addr, &addrlen));
2028 if (!is_error(ret)) {
2029 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2030 if (put_user_u32(addrlen, target_addrlen_addr))
2031 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2032 }
2033 return ret;
2034}
2035
0da46a6e 2036/* do_getsockname() Must return target values and target errnos. */
992f48a0 2037static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 2038 abi_ulong target_addrlen_addr)
1be9e1dc 2039{
2f619698
FB		 2040 socklen_t addrlen;
2041 void *addr;
992f48a0 2042 abi_long ret;
1be9e1dc 2043
2f619698
FB		 2044 if (get_user_u32(addrlen, target_addrlen_addr))
2045 return -TARGET_EFAULT;
2046
38724253 2047 if ((int)addrlen < 0) {
8f7aeaf6 2048 return -TARGET_EINVAL;
38724253 2049 }
8f7aeaf6 2050
917507b0
AP		 2051 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
2052 return -TARGET_EFAULT;
2053
2f619698
FB		 2054 addr = alloca(addrlen);
2055
1be9e1dc
PB		 2056 ret = get_errno(getsockname(fd, addr, &addrlen));
2057 if (!is_error(ret)) {
2058 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2059 if (put_user_u32(addrlen, target_addrlen_addr))
2060 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2061 }
2062 return ret;
2063}
2064
0da46a6e 2065/* do_socketpair() Must return target values and target errnos. */
992f48a0 2066static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 2067 abi_ulong target_tab_addr)
1be9e1dc
PB		 2068{
2069 int tab[2];
992f48a0 2070 abi_long ret;
1be9e1dc 2071
f651e6ae
PJ		 2072 target_to_host_sock_type(&type);
2073
1be9e1dc
PB		 2074 ret = get_errno(socketpair(domain, type, protocol, tab));
2075 if (!is_error(ret)) {
2f619698
FB		 2076 if (put_user_s32(tab[0], target_tab_addr)
2077 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
2078 ret = -TARGET_EFAULT;
1be9e1dc
PB		 2079 }
2080 return ret;
2081}
2082
0da46a6e 2083/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 2084static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
2085 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 2086{
2087 void *addr;
2088 void *host_msg;
992f48a0 2089 abi_long ret;
1be9e1dc 2090
38724253 2091 if ((int)addrlen < 0) {
8f7aeaf6 2092 return -TARGET_EINVAL;
38724253 2093 }
8f7aeaf6 2094
579a97f7
FB		 2095 host_msg = lock_user(VERIFY_READ, msg, len, 1);
2096 if (!host_msg)
2097 return -TARGET_EFAULT;
1be9e1dc
PB		 2098 if (target_addr) {
2099 addr = alloca(addrlen);
917507b0
AP		 2100 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
2101 if (ret) {
2102 unlock_user(host_msg, msg, 0);
2103 return ret;
2104 }
1be9e1dc
PB		 2105 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
2106 } else {
2107 ret = get_errno(send(fd, host_msg, len, flags));
2108 }
2109 unlock_user(host_msg, msg, 0);
2110 return ret;
2111}
2112
0da46a6e 2113/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 2114static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
2115 abi_ulong target_addr,
2116 abi_ulong target_addrlen)
1be9e1dc
PB		 2117{
2118 socklen_t addrlen;
2119 void *addr;
2120 void *host_msg;
992f48a0 2121 abi_long ret;
1be9e1dc 2122
579a97f7
FB		 2123 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
2124 if (!host_msg)
2125 return -TARGET_EFAULT;
1be9e1dc 2126 if (target_addr) {
2f619698
FB		 2127 if (get_user_u32(addrlen, target_addrlen)) {
2128 ret = -TARGET_EFAULT;
2129 goto fail;
2130 }
38724253 2131 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 2132 ret = -TARGET_EINVAL;
2133 goto fail;
2134 }
1be9e1dc
PB		 2135 addr = alloca(addrlen);
2136 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
2137 } else {
2138 addr = NULL; /* To keep compiler quiet. */
00aa0040 2139 ret = get_errno(qemu_recv(fd, host_msg, len, flags));
1be9e1dc
PB		 2140 }
2141 if (!is_error(ret)) {
2142 if (target_addr) {
2143 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 2144 if (put_user_u32(addrlen, target_addrlen)) {
2145 ret = -TARGET_EFAULT;
2146 goto fail;
2147 }
1be9e1dc
PB		 2148 }
2149 unlock_user(host_msg, msg, len);
2150 } else {
2f619698 2151fail:
1be9e1dc
PB		 2152 unlock_user(host_msg, msg, 0);
2153 }
2154 return ret;
2155}
2156
32407103 2157#ifdef TARGET_NR_socketcall
0da46a6e 2158/* do_socketcall() Must return target values and target errnos. */
992f48a0 2159static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 2160{
992f48a0
BS		 2161 abi_long ret;
2162 const int n = sizeof(abi_ulong);
31e31b8a
FB		 2163
2164 switch(num) {
2165 case SOCKOP_socket:
7854b056 2166 {
98818189 2167 abi_ulong domain, type, protocol;
2f619698 2168
98818189
UH		 2169 if (get_user_ual(domain, vptr)
2170 || get_user_ual(type, vptr + n)
2171 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 2172 return -TARGET_EFAULT;
2173
3532fa74 2174 ret = do_socket(domain, type, protocol);
7854b056 2175 }
31e31b8a
FB		 2176 break;
2177 case SOCKOP_bind:
7854b056 2178 {
98818189 2179 abi_ulong sockfd;
2f619698
FB		 2180 abi_ulong target_addr;
2181 socklen_t addrlen;
2182
98818189 2183 if (get_user_ual(sockfd, vptr)
2f619698 2184 || get_user_ual(target_addr, vptr + n)
98818189 2185 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 2186 return -TARGET_EFAULT;
2187
3532fa74 2188 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 2189 }
31e31b8a
FB		 2190 break;
2191 case SOCKOP_connect:
7854b056 2192 {
98818189 2193 abi_ulong sockfd;
2f619698
FB		 2194 abi_ulong target_addr;
2195 socklen_t addrlen;
2196
98818189 2197 if (get_user_ual(sockfd, vptr)
2f619698 2198 || get_user_ual(target_addr, vptr + n)
98818189 2199 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 2200 return -TARGET_EFAULT;
2201
3532fa74 2202 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 2203 }
31e31b8a
FB		 2204 break;
2205 case SOCKOP_listen:
7854b056 2206 {
98818189 2207 abi_ulong sockfd, backlog;
2f619698 2208
98818189
UH		 2209 if (get_user_ual(sockfd, vptr)
2210 || get_user_ual(backlog, vptr + n))
2f619698
FB		 2211 return -TARGET_EFAULT;
2212
7854b056
FB		 2213 ret = get_errno(listen(sockfd, backlog));
2214 }
31e31b8a
FB		 2215 break;
2216 case SOCKOP_accept:
2217 {
98818189 2218 abi_ulong sockfd;
2f619698
FB		 2219 abi_ulong target_addr, target_addrlen;
2220
98818189 2221 if (get_user_ual(sockfd, vptr)
2f619698 2222 || get_user_ual(target_addr, vptr + n)
98818189 2223 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2224 return -TARGET_EFAULT;
2225
a94b4987 2226 ret = do_accept4(sockfd, target_addr, target_addrlen, 0);
31e31b8a
FB		 2227 }
2228 break;
2229 case SOCKOP_getsockname:
2230 {
98818189 2231 abi_ulong sockfd;
2f619698
FB		 2232 abi_ulong target_addr, target_addrlen;
2233
98818189 2234 if (get_user_ual(sockfd, vptr)
2f619698 2235 || get_user_ual(target_addr, vptr + n)
98818189 2236 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2237 return -TARGET_EFAULT;
2238
1be9e1dc 2239 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2240 }
2241 break;
2242 case SOCKOP_getpeername:
2243 {
98818189 2244 abi_ulong sockfd;
2f619698
FB		 2245 abi_ulong target_addr, target_addrlen;
2246
98818189 2247 if (get_user_ual(sockfd, vptr)
2f619698 2248 || get_user_ual(target_addr, vptr + n)
98818189 2249 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 2250 return -TARGET_EFAULT;
2251
1be9e1dc 2252 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 2253 }
2254 break;
2255 case SOCKOP_socketpair:
2256 {
98818189 2257 abi_ulong domain, type, protocol;
2f619698
FB		 2258 abi_ulong tab;
2259
98818189
UH		 2260 if (get_user_ual(domain, vptr)
2261 || get_user_ual(type, vptr + n)
2262 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 2263 || get_user_ual(tab, vptr + 3 * n))
2264 return -TARGET_EFAULT;
2265
1be9e1dc 2266 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 2267 }
2268 break;
2269 case SOCKOP_send:
7854b056 2270 {
98818189 2271 abi_ulong sockfd;
2f619698
FB		 2272 abi_ulong msg;
2273 size_t len;
98818189 2274 abi_ulong flags;
2f619698 2275
98818189 2276 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2277 || get_user_ual(msg, vptr + n)
2278 || get_user_ual(len, vptr + 2 * n)
98818189 2279 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2280 return -TARGET_EFAULT;
2281
1be9e1dc 2282 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 2283 }
31e31b8a
FB		 2284 break;
2285 case SOCKOP_recv:
7854b056 2286 {
98818189 2287 abi_ulong sockfd;
2f619698
FB		 2288 abi_ulong msg;
2289 size_t len;
98818189 2290 abi_ulong flags;
2f619698 2291
98818189 2292 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2293 || get_user_ual(msg, vptr + n)
2294 || get_user_ual(len, vptr + 2 * n)
98818189 2295 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2296 return -TARGET_EFAULT;
2297
1be9e1dc 2298 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 2299 }
31e31b8a
FB		 2300 break;
2301 case SOCKOP_sendto:
7854b056 2302 {
98818189 2303 abi_ulong sockfd;
2f619698
FB		 2304 abi_ulong msg;
2305 size_t len;
98818189 2306 abi_ulong flags;
2f619698
FB		 2307 abi_ulong addr;
2308 socklen_t addrlen;
2309
98818189 2310 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2311 || get_user_ual(msg, vptr + n)
2312 || get_user_ual(len, vptr + 2 * n)
98818189 2313 || get_user_ual(flags, vptr + 3 * n)
2f619698 2314 || get_user_ual(addr, vptr + 4 * n)
98818189 2315 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2316 return -TARGET_EFAULT;
2317
1be9e1dc 2318 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 2319 }
31e31b8a
FB		 2320 break;
2321 case SOCKOP_recvfrom:
2322 {
98818189 2323 abi_ulong sockfd;
2f619698
FB		 2324 abi_ulong msg;
2325 size_t len;
98818189 2326 abi_ulong flags;
2f619698
FB		 2327 abi_ulong addr;
2328 socklen_t addrlen;
2329
98818189 2330 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2331 || get_user_ual(msg, vptr + n)
2332 || get_user_ual(len, vptr + 2 * n)
98818189 2333 || get_user_ual(flags, vptr + 3 * n)
2f619698 2334 || get_user_ual(addr, vptr + 4 * n)
98818189 2335 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2336 return -TARGET_EFAULT;
2337
1be9e1dc 2338 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 2339 }
2340 break;
2341 case SOCKOP_shutdown:
7854b056 2342 {
98818189 2343 abi_ulong sockfd, how;
2f619698 2344
98818189
UH		 2345 if (get_user_ual(sockfd, vptr)
2346 || get_user_ual(how, vptr + n))
2f619698 2347 return -TARGET_EFAULT;
7854b056
FB		 2348
2349 ret = get_errno(shutdown(sockfd, how));
2350 }
31e31b8a
FB		 2351 break;
2352 case SOCKOP_sendmsg:
2353 case SOCKOP_recvmsg:
1a9353d2 2354 {
98818189 2355 abi_ulong fd;
992f48a0 2356 abi_ulong target_msg;
98818189 2357 abi_ulong flags;
1a9353d2 2358
98818189 2359 if (get_user_ual(fd, vptr)
2f619698 2360 || get_user_ual(target_msg, vptr + n)
98818189 2361 || get_user_ual(flags, vptr + 2 * n))
2f619698 2362 return -TARGET_EFAULT;
3532fa74 2363
5fafdf24 2364 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 2365 (num == SOCKOP_sendmsg));
1a9353d2
FB		 2366 }
2367 break;
31e31b8a 2368 case SOCKOP_setsockopt:
7854b056 2369 {
98818189
UH		 2370 abi_ulong sockfd;
2371 abi_ulong level;
2372 abi_ulong optname;
2f619698
FB		 2373 abi_ulong optval;
2374 socklen_t optlen;
2375
98818189
UH		 2376 if (get_user_ual(sockfd, vptr)
2377 || get_user_ual(level, vptr + n)
2378 || get_user_ual(optname, vptr + 2 * n)
2f619698 2379 || get_user_ual(optval, vptr + 3 * n)
98818189 2380 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2381 return -TARGET_EFAULT;
7854b056
FB		 2382
2383 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2384 }
2385 break;
31e31b8a 2386 case SOCKOP_getsockopt:
7854b056 2387 {
98818189
UH		 2388 abi_ulong sockfd;
2389 abi_ulong level;
2390 abi_ulong optname;
2f619698
FB		 2391 abi_ulong optval;
2392 socklen_t optlen;
2393
98818189
UH		 2394 if (get_user_ual(sockfd, vptr)
2395 || get_user_ual(level, vptr + n)
2396 || get_user_ual(optname, vptr + 2 * n)
2f619698 2397 || get_user_ual(optval, vptr + 3 * n)
98818189 2398 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2399 return -TARGET_EFAULT;
7854b056 2400
2f619698 2401 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2402 }
2403 break;
31e31b8a
FB		 2404 default:
2405 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2406 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2407 break;
2408 }
2409 return ret;
2410}
32407103 2411#endif
31e31b8a 2412
8853f86e
FB		 2413#define N_SHM_REGIONS 32
2414
2415static struct shm_region {
5a4a898d
FB		 2416 abi_ulong start;
2417 abi_ulong size;
8853f86e
FB		 2418} shm_regions[N_SHM_REGIONS];
2419
3eb6b044
TS		 2420struct target_ipc_perm
2421{
992f48a0
BS		 2422 abi_long __key;
2423 abi_ulong uid;
2424 abi_ulong gid;
2425 abi_ulong cuid;
2426 abi_ulong cgid;
3eb6b044
TS		 2427 unsigned short int mode;
2428 unsigned short int __pad1;
2429 unsigned short int __seq;
2430 unsigned short int __pad2;
992f48a0
BS		 2431 abi_ulong __unused1;
2432 abi_ulong __unused2;
3eb6b044
TS		 2433};
2434
2435struct target_semid_ds
2436{
2437 struct target_ipc_perm sem_perm;
992f48a0
BS		 2438 abi_ulong sem_otime;
2439 abi_ulong __unused1;
2440 abi_ulong sem_ctime;
2441 abi_ulong __unused2;
2442 abi_ulong sem_nsems;
2443 abi_ulong __unused3;
2444 abi_ulong __unused4;
3eb6b044
TS		 2445};
2446
579a97f7
FB		 2447static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2448 abi_ulong target_addr)
3eb6b044
TS		 2449{
2450 struct target_ipc_perm *target_ip;
2451 struct target_semid_ds *target_sd;
2452
579a97f7
FB		 2453 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2454 return -TARGET_EFAULT;
e8bbe36c 2455 target_ip = &(target_sd->sem_perm);
cbb21eed
MB		 2456 host_ip->__key = tswapal(target_ip->__key);
2457 host_ip->uid = tswapal(target_ip->uid);
2458 host_ip->gid = tswapal(target_ip->gid);
2459 host_ip->cuid = tswapal(target_ip->cuid);
2460 host_ip->cgid = tswapal(target_ip->cgid);
2461 host_ip->mode = tswap16(target_ip->mode);
3eb6b044 2462 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2463 return 0;
3eb6b044
TS		 2464}
2465
579a97f7
FB		 2466static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2467 struct ipc_perm *host_ip)
3eb6b044
TS		 2468{
2469 struct target_ipc_perm *target_ip;
2470 struct target_semid_ds *target_sd;
2471
579a97f7
FB		 2472 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2473 return -TARGET_EFAULT;
3eb6b044 2474 target_ip = &(target_sd->sem_perm);
cbb21eed
MB		 2475 target_ip->__key = tswapal(host_ip->__key);
2476 target_ip->uid = tswapal(host_ip->uid);
2477 target_ip->gid = tswapal(host_ip->gid);
2478 target_ip->cuid = tswapal(host_ip->cuid);
2479 target_ip->cgid = tswapal(host_ip->cgid);
2480 target_ip->mode = tswap16(host_ip->mode);
3eb6b044 2481 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2482 return 0;
3eb6b044
TS		 2483}
2484
579a97f7
FB		 2485static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2486 abi_ulong target_addr)
3eb6b044
TS		 2487{
2488 struct target_semid_ds *target_sd;
2489
579a97f7
FB		 2490 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2491 return -TARGET_EFAULT;
e5289087
AJ		 2492 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2493 return -TARGET_EFAULT;
cbb21eed
MB		 2494 host_sd->sem_nsems = tswapal(target_sd->sem_nsems);
2495 host_sd->sem_otime = tswapal(target_sd->sem_otime);
2496 host_sd->sem_ctime = tswapal(target_sd->sem_ctime);
3eb6b044 2497 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2498 return 0;
3eb6b044
TS		 2499}
2500
579a97f7
FB		 2501static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2502 struct semid_ds *host_sd)
3eb6b044
TS		 2503{
2504 struct target_semid_ds *target_sd;
2505
579a97f7
FB		 2506 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2507 return -TARGET_EFAULT;
e5289087 2508 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
3a93113a 2509 return -TARGET_EFAULT;
cbb21eed
MB		 2510 target_sd->sem_nsems = tswapal(host_sd->sem_nsems);
2511 target_sd->sem_otime = tswapal(host_sd->sem_otime);
2512 target_sd->sem_ctime = tswapal(host_sd->sem_ctime);
3eb6b044 2513 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2514 return 0;
3eb6b044
TS		 2515}
2516
e5289087
AJ		 2517struct target_seminfo {
2518 int semmap;
2519 int semmni;
2520 int semmns;
2521 int semmnu;
2522 int semmsl;
2523 int semopm;
2524 int semume;
2525 int semusz;
2526 int semvmx;
2527 int semaem;
2528};
2529
2530static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2531 struct seminfo *host_seminfo)
2532{
2533 struct target_seminfo *target_seminfo;
2534 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2535 return -TARGET_EFAULT;
2536 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2537 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2538 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2539 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2540 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2541 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2542 __put_user(host_seminfo->semume, &target_seminfo->semume);
2543 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2544 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2545 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2546 unlock_user_struct(target_seminfo, target_addr, 1);
2547 return 0;
2548}
2549
fa294816
TS		 2550union semun {
2551 int val;
3eb6b044 2552 struct semid_ds *buf;
fa294816 2553 unsigned short *array;
e5289087 2554 struct seminfo *__buf;
fa294816
TS		 2555};
2556
3eb6b044
TS		 2557union target_semun {
2558 int val;
e5289087
AJ		 2559 abi_ulong buf;
2560 abi_ulong array;
2561 abi_ulong __buf;
3eb6b044
TS		 2562};
2563
e5289087
AJ		 2564static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2565 abi_ulong target_addr)
3eb6b044 2566{
e5289087
AJ		 2567 int nsems;
2568 unsigned short *array;
2569 union semun semun;
2570 struct semid_ds semid_ds;
2571 int i, ret;
3eb6b044 2572
e5289087
AJ		 2573 semun.buf = &semid_ds;
2574
2575 ret = semctl(semid, 0, IPC_STAT, semun);
2576 if (ret == -1)
2577 return get_errno(ret);
2578
2579 nsems = semid_ds.sem_nsems;
2580
2581 *host_array = malloc(nsems*sizeof(unsigned short));
2582 array = lock_user(VERIFY_READ, target_addr,
2583 nsems*sizeof(unsigned short), 1);
2584 if (!array)
2585 return -TARGET_EFAULT;
2586
2587 for(i=0; i<nsems; i++) {
2588 __get_user((*host_array)[i], &array[i]);
3eb6b044 2589 }
e5289087
AJ		 2590 unlock_user(array, target_addr, 0);
2591
579a97f7 2592 return 0;
3eb6b044
TS		 2593}
2594
e5289087
AJ		 2595static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2596 unsigned short **host_array)
3eb6b044 2597{
e5289087
AJ		 2598 int nsems;
2599 unsigned short *array;
2600 union semun semun;
2601 struct semid_ds semid_ds;
2602 int i, ret;
3eb6b044 2603
e5289087
AJ		 2604 semun.buf = &semid_ds;
2605
2606 ret = semctl(semid, 0, IPC_STAT, semun);
2607 if (ret == -1)
2608 return get_errno(ret);
2609
2610 nsems = semid_ds.sem_nsems;
2611
2612 array = lock_user(VERIFY_WRITE, target_addr,
2613 nsems*sizeof(unsigned short), 0);
2614 if (!array)
2615 return -TARGET_EFAULT;
2616
2617 for(i=0; i<nsems; i++) {
2618 __put_user((*host_array)[i], &array[i]);
3eb6b044 2619 }
e5289087
AJ		 2620 free(*host_array);
2621 unlock_user(array, target_addr, 1);
2622
579a97f7 2623 return 0;
3eb6b044
TS		 2624}
2625
e5289087
AJ		 2626static inline abi_long do_semctl(int semid, int semnum, int cmd,
2627 union target_semun target_su)
3eb6b044
TS		 2628{
2629 union semun arg;
2630 struct semid_ds dsarg;
7b8118e8 2631 unsigned short *array = NULL;
e5289087
AJ		 2632 struct seminfo seminfo;
2633 abi_long ret = -TARGET_EINVAL;
2634 abi_long err;
2635 cmd &= 0xff;
3eb6b044
TS		 2636
2637 switch( cmd ) {
2638 case GETVAL:
3eb6b044 2639 case SETVAL:
cbb21eed 2640 arg.val = tswap32(target_su.val);
e5289087 2641 ret = get_errno(semctl(semid, semnum, cmd, arg));
cbb21eed 2642 target_su.val = tswap32(arg.val);
3eb6b044
TS		 2643 break;
2644 case GETALL:
3eb6b044 2645 case SETALL:
e5289087
AJ		 2646 err = target_to_host_semarray(semid, &array, target_su.array);
2647 if (err)
2648 return err;
2649 arg.array = array;
2650 ret = get_errno(semctl(semid, semnum, cmd, arg));
2651 err = host_to_target_semarray(semid, target_su.array, &array);
2652 if (err)
2653 return err;
3eb6b044
TS		 2654 break;
2655 case IPC_STAT:
3eb6b044 2656 case IPC_SET:
e5289087
AJ		 2657 case SEM_STAT:
2658 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2659 if (err)
2660 return err;
2661 arg.buf = &dsarg;
2662 ret = get_errno(semctl(semid, semnum, cmd, arg));
2663 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2664 if (err)
2665 return err;
2666 break;
2667 case IPC_INFO:
2668 case SEM_INFO:
2669 arg.__buf = &seminfo;
2670 ret = get_errno(semctl(semid, semnum, cmd, arg));
2671 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2672 if (err)
2673 return err;
2674 break;
2675 case IPC_RMID:
2676 case GETPID:
2677 case GETNCNT:
2678 case GETZCNT:
2679 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2680 break;
3eb6b044
TS		 2681 }
2682
2683 return ret;
2684}
2685
e5289087
AJ		 2686struct target_sembuf {
2687 unsigned short sem_num;
2688 short sem_op;
2689 short sem_flg;
2690};
2691
2692static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2693 abi_ulong target_addr,
2694 unsigned nsops)
2695{
2696 struct target_sembuf *target_sembuf;
2697 int i;
2698
2699 target_sembuf = lock_user(VERIFY_READ, target_addr,
2700 nsops*sizeof(struct target_sembuf), 1);
2701 if (!target_sembuf)
2702 return -TARGET_EFAULT;
2703
2704 for(i=0; i<nsops; i++) {
2705 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2706 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2707 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2708 }
2709
2710 unlock_user(target_sembuf, target_addr, 0);
2711
2712 return 0;
2713}
2714
2715static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2716{
2717 struct sembuf sops[nsops];
2718
2719 if (target_to_host_sembuf(sops, ptr, nsops))
2720 return -TARGET_EFAULT;
2721
c7128c9f 2722 return get_errno(semop(semid, sops, nsops));
e5289087
AJ		 2723}
2724
1bc012f6
TS		 2725struct target_msqid_ds
2726{
1c54ff97
AJ		 2727 struct target_ipc_perm msg_perm;
2728 abi_ulong msg_stime;
2729#if TARGET_ABI_BITS == 32
2730 abi_ulong __unused1;
2731#endif
2732 abi_ulong msg_rtime;
2733#if TARGET_ABI_BITS == 32
2734 abi_ulong __unused2;
2735#endif
2736 abi_ulong msg_ctime;
2737#if TARGET_ABI_BITS == 32
2738 abi_ulong __unused3;
2739#endif
2740 abi_ulong __msg_cbytes;
2741 abi_ulong msg_qnum;
2742 abi_ulong msg_qbytes;
2743 abi_ulong msg_lspid;
2744 abi_ulong msg_lrpid;
2745 abi_ulong __unused4;
2746 abi_ulong __unused5;
1bc012f6
TS		 2747};
2748
579a97f7
FB		 2749static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2750 abi_ulong target_addr)
1bc012f6
TS		 2751{
2752 struct target_msqid_ds *target_md;
2753
579a97f7
FB		 2754 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2755 return -TARGET_EFAULT;
1c54ff97
AJ		 2756 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2757 return -TARGET_EFAULT;
cbb21eed
MB		 2758 host_md->msg_stime = tswapal(target_md->msg_stime);
2759 host_md->msg_rtime = tswapal(target_md->msg_rtime);
2760 host_md->msg_ctime = tswapal(target_md->msg_ctime);
2761 host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes);
2762 host_md->msg_qnum = tswapal(target_md->msg_qnum);
2763 host_md->msg_qbytes = tswapal(target_md->msg_qbytes);
2764 host_md->msg_lspid = tswapal(target_md->msg_lspid);
2765 host_md->msg_lrpid = tswapal(target_md->msg_lrpid);
1bc012f6 2766 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2767 return 0;
1bc012f6
TS		 2768}
2769
579a97f7
FB		 2770static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2771 struct msqid_ds *host_md)
1bc012f6
TS		 2772{
2773 struct target_msqid_ds *target_md;
2774
579a97f7
FB		 2775 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2776 return -TARGET_EFAULT;
1c54ff97
AJ		 2777 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2778 return -TARGET_EFAULT;
cbb21eed
MB		 2779 target_md->msg_stime = tswapal(host_md->msg_stime);
2780 target_md->msg_rtime = tswapal(host_md->msg_rtime);
2781 target_md->msg_ctime = tswapal(host_md->msg_ctime);
2782 target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes);
2783 target_md->msg_qnum = tswapal(host_md->msg_qnum);
2784 target_md->msg_qbytes = tswapal(host_md->msg_qbytes);
2785 target_md->msg_lspid = tswapal(host_md->msg_lspid);
2786 target_md->msg_lrpid = tswapal(host_md->msg_lrpid);
1bc012f6 2787 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2788 return 0;
1bc012f6
TS		 2789}
2790
1c54ff97
AJ		 2791struct target_msginfo {
2792 int msgpool;
2793 int msgmap;
2794 int msgmax;
2795 int msgmnb;
2796 int msgmni;
2797 int msgssz;
2798 int msgtql;
2799 unsigned short int msgseg;
2800};
2801
2802static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2803 struct msginfo *host_msginfo)
2804{
2805 struct target_msginfo *target_msginfo;
2806 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2807 return -TARGET_EFAULT;
2808 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2809 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2810 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2811 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2812 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2813 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2814 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2815 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2816 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2817 return 0;
1c54ff97
AJ		 2818}
2819
2820static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2821{
2822 struct msqid_ds dsarg;
1c54ff97
AJ		 2823 struct msginfo msginfo;
2824 abi_long ret = -TARGET_EINVAL;
2825
2826 cmd &= 0xff;
2827
2828 switch (cmd) {
1bc012f6
TS		 2829 case IPC_STAT:
2830 case IPC_SET:
1c54ff97
AJ		 2831 case MSG_STAT:
2832 if (target_to_host_msqid_ds(&dsarg,ptr))
2833 return -TARGET_EFAULT;
2834 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2835 if (host_to_target_msqid_ds(ptr,&dsarg))
2836 return -TARGET_EFAULT;
2837 break;
2838 case IPC_RMID:
2839 ret = get_errno(msgctl(msgid, cmd, NULL));
2840 break;
2841 case IPC_INFO:
2842 case MSG_INFO:
2843 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2844 if (host_to_target_msginfo(ptr, &msginfo))
2845 return -TARGET_EFAULT;
2846 break;
1bc012f6 2847 }
1c54ff97 2848
1bc012f6
TS		 2849 return ret;
2850}
2851
2852struct target_msgbuf {
1c54ff97
AJ		 2853 abi_long mtype;
2854 char mtext[1];
1bc012f6
TS		 2855};
2856
992f48a0
BS		 2857static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2858 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2859{
2860 struct target_msgbuf *target_mb;
2861 struct msgbuf *host_mb;
992f48a0 2862 abi_long ret = 0;
1bc012f6 2863
579a97f7
FB		 2864 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2865 return -TARGET_EFAULT;
1bc012f6 2866 host_mb = malloc(msgsz+sizeof(long));
cbb21eed 2867 host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
1c54ff97 2868 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2869 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2870 free(host_mb);
2871 unlock_user_struct(target_mb, msgp, 0);
2872
2873 return ret;
2874}
2875
992f48a0 2876static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2877 unsigned int msgsz, abi_long msgtyp,
992f48a0 2878 int msgflg)
1bc012f6
TS		 2879{
2880 struct target_msgbuf *target_mb;
579a97f7 2881 char *target_mtext;
1bc012f6 2882 struct msgbuf *host_mb;
992f48a0 2883 abi_long ret = 0;
1bc012f6 2884
579a97f7
FB		 2885 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2886 return -TARGET_EFAULT;
1c54ff97 2887
0d07fe47 2888 host_mb = g_malloc(msgsz+sizeof(long));
79dd77de 2889 ret = get_errno(msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg));
1c54ff97 2890
579a97f7
FB		 2891 if (ret > 0) {
2892 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2893 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2894 if (!target_mtext) {
2895 ret = -TARGET_EFAULT;
2896 goto end;
2897 }
1c54ff97 2898 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2899 unlock_user(target_mtext, target_mtext_addr, ret);
2900 }
1c54ff97 2901
cbb21eed 2902 target_mb->mtype = tswapal(host_mb->mtype);
1bc012f6 2903
579a97f7
FB		 2904end:
2905 if (target_mb)
2906 unlock_user_struct(target_mb, msgp, 1);
0d07fe47 2907 g_free(host_mb);
1bc012f6
TS		 2908 return ret;
2909}
2910
88a8c984
RV		 2911struct target_shmid_ds
2912{
2913 struct target_ipc_perm shm_perm;
2914 abi_ulong shm_segsz;
2915 abi_ulong shm_atime;
2916#if TARGET_ABI_BITS == 32
2917 abi_ulong __unused1;
2918#endif
2919 abi_ulong shm_dtime;
2920#if TARGET_ABI_BITS == 32
2921 abi_ulong __unused2;
2922#endif
2923 abi_ulong shm_ctime;
2924#if TARGET_ABI_BITS == 32
2925 abi_ulong __unused3;
2926#endif
2927 int shm_cpid;
2928 int shm_lpid;
2929 abi_ulong shm_nattch;
2930 unsigned long int __unused4;
2931 unsigned long int __unused5;
2932};
2933
2934static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2935 abi_ulong target_addr)
2936{
2937 struct target_shmid_ds *target_sd;
2938
2939 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2940 return -TARGET_EFAULT;
2941 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2942 return -TARGET_EFAULT;
2943 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2944 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2945 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2946 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2947 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2948 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2949 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2950 unlock_user_struct(target_sd, target_addr, 0);
2951 return 0;
2952}
2953
2954static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2955 struct shmid_ds *host_sd)
2956{
2957 struct target_shmid_ds *target_sd;
2958
2959 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2960 return -TARGET_EFAULT;
2961 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2962 return -TARGET_EFAULT;
2963 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2964 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2965 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2966 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2967 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2968 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2969 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2970 unlock_user_struct(target_sd, target_addr, 1);
2971 return 0;
2972}
2973
2974struct target_shminfo {
2975 abi_ulong shmmax;
2976 abi_ulong shmmin;
2977 abi_ulong shmmni;
2978 abi_ulong shmseg;
2979 abi_ulong shmall;
2980};
2981
2982static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2983 struct shminfo *host_shminfo)
2984{
2985 struct target_shminfo *target_shminfo;
2986 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2987 return -TARGET_EFAULT;
2988 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2989 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2990 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2991 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2992 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2993 unlock_user_struct(target_shminfo, target_addr, 1);
2994 return 0;
2995}
2996
2997struct target_shm_info {
2998 int used_ids;
2999 abi_ulong shm_tot;
3000 abi_ulong shm_rss;
3001 abi_ulong shm_swp;
3002 abi_ulong swap_attempts;
3003 abi_ulong swap_successes;
3004};
3005
3006static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
3007 struct shm_info *host_shm_info)
3008{
3009 struct target_shm_info *target_shm_info;
3010 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
3011 return -TARGET_EFAULT;
3012 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
3013 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
3014 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
3015 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
3016 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
3017 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
3018 unlock_user_struct(target_shm_info, target_addr, 1);
3019 return 0;
3020}
3021
3022static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
3023{
3024 struct shmid_ds dsarg;
3025 struct shminfo shminfo;
3026 struct shm_info shm_info;
3027 abi_long ret = -TARGET_EINVAL;
3028
3029 cmd &= 0xff;
3030
3031 switch(cmd) {
3032 case IPC_STAT:
3033 case IPC_SET:
3034 case SHM_STAT:
3035 if (target_to_host_shmid_ds(&dsarg, buf))
3036 return -TARGET_EFAULT;
3037 ret = get_errno(shmctl(shmid, cmd, &dsarg));
3038 if (host_to_target_shmid_ds(buf, &dsarg))
3039 return -TARGET_EFAULT;
3040 break;
3041 case IPC_INFO:
3042 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
3043 if (host_to_target_shminfo(buf, &shminfo))
3044 return -TARGET_EFAULT;
3045 break;
3046 case SHM_INFO:
3047 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
3048 if (host_to_target_shm_info(buf, &shm_info))
3049 return -TARGET_EFAULT;
3050 break;
3051 case IPC_RMID:
3052 case SHM_LOCK:
3053 case SHM_UNLOCK:
3054 ret = get_errno(shmctl(shmid, cmd, NULL));
3055 break;
3056 }
3057
3058 return ret;
3059}
3060
3061static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
3062{
3063 abi_long raddr;
3064 void *host_raddr;
3065 struct shmid_ds shm_info;
3066 int i,ret;
3067
3068 /* find out the length of the shared memory segment */
3069 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
3070 if (is_error(ret)) {
3071 /* can't get length, bail out */
3072 return ret;
3073 }
3074
3075 mmap_lock();
3076
3077 if (shmaddr)
3078 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
3079 else {
3080 abi_ulong mmap_start;
3081
3082 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
3083
3084 if (mmap_start == -1) {
3085 errno = ENOMEM;
3086 host_raddr = (void *)-1;
3087 } else
3088 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
3089 }
3090
3091 if (host_raddr == (void *)-1) {
3092 mmap_unlock();
3093 return get_errno((long)host_raddr);
3094 }
3095 raddr=h2g((unsigned long)host_raddr);
3096
3097 page_set_flags(raddr, raddr + shm_info.shm_segsz,
3098 PAGE_VALID | PAGE_READ |
3099 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
3100
3101 for (i = 0; i < N_SHM_REGIONS; i++) {
3102 if (shm_regions[i].start == 0) {
3103 shm_regions[i].start = raddr;
3104 shm_regions[i].size = shm_info.shm_segsz;
3105 break;
3106 }
3107 }
3108
3109 mmap_unlock();
3110 return raddr;
3111
3112}
3113
3114static inline abi_long do_shmdt(abi_ulong shmaddr)
3115{
3116 int i;
3117
3118 for (i = 0; i < N_SHM_REGIONS; ++i) {
3119 if (shm_regions[i].start == shmaddr) {
3120 shm_regions[i].start = 0;
e00ac249 3121 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 3122 break;
3123 }
3124 }
3125
3126 return get_errno(shmdt(g2h(shmaddr)));
3127}
3128
1c54ff97 3129#ifdef TARGET_NR_ipc
53a5960a 3130/* ??? This only works with linear mappings. */
0da46a6e 3131/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 3132static abi_long do_ipc(unsigned int call, int first,
3133 int second, int third,
3134 abi_long ptr, abi_long fifth)
8853f86e
FB		 3135{
3136 int version;
992f48a0 3137 abi_long ret = 0;
8853f86e
FB		 3138
3139 version = call >> 16;
3140 call &= 0xffff;
3141
3142 switch (call) {
fa294816 3143 case IPCOP_semop:
e5289087 3144 ret = do_semop(first, ptr, second);
fa294816
TS		 3145 break;
3146
3147 case IPCOP_semget:
3148 ret = get_errno(semget(first, second, third));
3149 break;
3150
3151 case IPCOP_semctl:
e5289087 3152 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 3153 break;
d96372ef 3154
1c54ff97
AJ		 3155 case IPCOP_msgget:
3156 ret = get_errno(msgget(first, second));
3157 break;
d96372ef 3158
1c54ff97
AJ		 3159 case IPCOP_msgsnd:
3160 ret = do_msgsnd(first, ptr, second, third);
3161 break;
d96372ef 3162
1c54ff97
AJ		 3163 case IPCOP_msgctl:
3164 ret = do_msgctl(first, second, ptr);
3165 break;
d96372ef 3166
1c54ff97
AJ		 3167 case IPCOP_msgrcv:
3168 switch (version) {
3169 case 0:
3170 {
3171 struct target_ipc_kludge {
3172 abi_long msgp;
3173 abi_long msgtyp;
3174 } *tmp;
3175
3176 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
3177 ret = -TARGET_EFAULT;
3178 break;
3179 }
d96372ef 3180
79dd77de 3181 ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third);
d96372ef 3182
1c54ff97
AJ		 3183 unlock_user_struct(tmp, ptr, 0);
3184 break;
3185 }
3186 default:
3187 ret = do_msgrcv(first, ptr, second, fifth, third);
3188 }
3189 break;
d96372ef 3190
8853f86e 3191 case IPCOP_shmat:
88a8c984
RV		 3192 switch (version) {
3193 default:
5a4a898d
FB		 3194 {
3195 abi_ulong raddr;
88a8c984
RV		 3196 raddr = do_shmat(first, ptr, second);
3197 if (is_error(raddr))
3198 return get_errno(raddr);
2f619698 3199 if (put_user_ual(raddr, third))
5a4a898d 3200 return -TARGET_EFAULT;
88a8c984
RV		 3201 break;
3202 }
3203 case 1:
3204 ret = -TARGET_EINVAL;
3205 break;
5a4a898d 3206 }
8853f86e
FB		 3207 break;
3208 case IPCOP_shmdt:
88a8c984 3209 ret = do_shmdt(ptr);
8853f86e
FB		 3210 break;
3211
3212 case IPCOP_shmget:
3213 /* IPC_* flag values are the same on all linux platforms */
3214 ret = get_errno(shmget(first, second, third));
3215 break;
3216
3217 /* IPC_* and SHM_* command values are the same on all linux platforms */
3218 case IPCOP_shmctl:
88a8c984 3219 ret = do_shmctl(first, second, third);
8853f86e
FB		 3220 break;
3221 default:
32407103 3222 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 3223 ret = -TARGET_ENOSYS;
8853f86e
FB		 3224 break;
3225 }
3226 return ret;
3227}
32407103 3228#endif
8853f86e 3229
31e31b8a 3230/* kernel structure types definitions */
31e31b8a 3231
001faf32 3232#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 3233#define STRUCT_SPECIAL(name) STRUCT_ ## name,
3234enum {
3235#include "syscall_types.h"
3236};
3237#undef STRUCT
3238#undef STRUCT_SPECIAL
3239
001faf32 3240#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 3241#define STRUCT_SPECIAL(name)
3242#include "syscall_types.h"
3243#undef STRUCT
3244#undef STRUCT_SPECIAL
3245
d2ef05bb
PM		 3246typedef struct IOCTLEntry IOCTLEntry;
3247
3248typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp,
3249 int fd, abi_long cmd, abi_long arg);
3250
3251struct IOCTLEntry {
2ab83ea7
FB		 3252 unsigned int target_cmd;
3253 unsigned int host_cmd;
31e31b8a
FB		 3254 const char *name;
3255 int access;
d2ef05bb 3256 do_ioctl_fn *do_ioctl;
1a9353d2 3257 const argtype arg_type[5];
d2ef05bb 3258};
31e31b8a
FB		 3259
3260#define IOC_R 0x0001
3261#define IOC_W 0x0002
3262#define IOC_RW (IOC_R | IOC_W)
3263
3264#define MAX_STRUCT_SIZE 4096
3265
dace20dc 3266#ifdef CONFIG_FIEMAP
285da2b9
PM		 3267/* So fiemap access checks don't overflow on 32 bit systems.
3268 * This is very slightly smaller than the limit imposed by
3269 * the underlying kernel.
3270 */
3271#define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3272 / sizeof(struct fiemap_extent))
3273
3274static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp,
3275 int fd, abi_long cmd, abi_long arg)
3276{
3277 /* The parameter for this ioctl is a struct fiemap followed
3278 * by an array of struct fiemap_extent whose size is set
3279 * in fiemap->fm_extent_count. The array is filled in by the
3280 * ioctl.
3281 */
3282 int target_size_in, target_size_out;
3283 struct fiemap *fm;
3284 const argtype *arg_type = ie->arg_type;
3285 const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) };
3286 void *argptr, *p;
3287 abi_long ret;
3288 int i, extent_size = thunk_type_size(extent_arg_type, 0);
3289 uint32_t outbufsz;
3290 int free_fm = 0;
3291
3292 assert(arg_type[0] == TYPE_PTR);
3293 assert(ie->access == IOC_RW);
3294 arg_type++;
3295 target_size_in = thunk_type_size(arg_type, 0);
3296 argptr = lock_user(VERIFY_READ, arg, target_size_in, 1);
3297 if (!argptr) {
3298 return -TARGET_EFAULT;
3299 }
3300 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3301 unlock_user(argptr, arg, 0);
3302 fm = (struct fiemap *)buf_temp;
3303 if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) {
3304 return -TARGET_EINVAL;
3305 }
3306
3307 outbufsz = sizeof (*fm) +
3308 (sizeof(struct fiemap_extent) * fm->fm_extent_count);
3309
3310 if (outbufsz > MAX_STRUCT_SIZE) {
3311 /* We can't fit all the extents into the fixed size buffer.
3312 * Allocate one that is large enough and use it instead.
3313 */
3314 fm = malloc(outbufsz);
3315 if (!fm) {
3316 return -TARGET_ENOMEM;
3317 }
3318 memcpy(fm, buf_temp, sizeof(struct fiemap));
3319 free_fm = 1;
3320 }
3321 ret = get_errno(ioctl(fd, ie->host_cmd, fm));
3322 if (!is_error(ret)) {
3323 target_size_out = target_size_in;
3324 /* An extent_count of 0 means we were only counting the extents
3325 * so there are no structs to copy
3326 */
3327 if (fm->fm_extent_count != 0) {
3328 target_size_out += fm->fm_mapped_extents * extent_size;
3329 }
3330 argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0);
3331 if (!argptr) {
3332 ret = -TARGET_EFAULT;
3333 } else {
3334 /* Convert the struct fiemap */
3335 thunk_convert(argptr, fm, arg_type, THUNK_TARGET);
3336 if (fm->fm_extent_count != 0) {
3337 p = argptr + target_size_in;
3338 /* ...and then all the struct fiemap_extents */
3339 for (i = 0; i < fm->fm_mapped_extents; i++) {
3340 thunk_convert(p, &fm->fm_extents[i], extent_arg_type,
3341 THUNK_TARGET);
3342 p += extent_size;
3343 }
3344 }
3345 unlock_user(argptr, arg, target_size_out);
3346 }
3347 }
3348 if (free_fm) {
3349 free(fm);
3350 }
3351 return ret;
3352}
dace20dc 3353#endif
285da2b9 3354
059c2f2c
LV		 3355static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp,
3356 int fd, abi_long cmd, abi_long arg)
3357{
3358 const argtype *arg_type = ie->arg_type;
3359 int target_size;
3360 void *argptr;
3361 int ret;
3362 struct ifconf *host_ifconf;
3363 uint32_t outbufsz;
3364 const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) };
3365 int target_ifreq_size;
3366 int nb_ifreq;
3367 int free_buf = 0;
3368 int i;
3369 int target_ifc_len;
3370 abi_long target_ifc_buf;
3371 int host_ifc_len;
3372 char *host_ifc_buf;
3373
3374 assert(arg_type[0] == TYPE_PTR);
3375 assert(ie->access == IOC_RW);
3376
3377 arg_type++;
3378 target_size = thunk_type_size(arg_type, 0);
3379
3380 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3381 if (!argptr)
3382 return -TARGET_EFAULT;
3383 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3384 unlock_user(argptr, arg, 0);
3385
3386 host_ifconf = (struct ifconf *)(unsigned long)buf_temp;
3387 target_ifc_len = host_ifconf->ifc_len;
3388 target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf;
3389
3390 target_ifreq_size = thunk_type_size(ifreq_arg_type, 0);
3391 nb_ifreq = target_ifc_len / target_ifreq_size;
3392 host_ifc_len = nb_ifreq * sizeof(struct ifreq);
3393
3394 outbufsz = sizeof(*host_ifconf) + host_ifc_len;
3395 if (outbufsz > MAX_STRUCT_SIZE) {
3396 /* We can't fit all the extents into the fixed size buffer.
3397 * Allocate one that is large enough and use it instead.
3398 */
3399 host_ifconf = malloc(outbufsz);
3400 if (!host_ifconf) {
3401 return -TARGET_ENOMEM;
3402 }
3403 memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf));
3404 free_buf = 1;
3405 }
3406 host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf);
3407
3408 host_ifconf->ifc_len = host_ifc_len;
3409 host_ifconf->ifc_buf = host_ifc_buf;
3410
3411 ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf));
3412 if (!is_error(ret)) {
3413 /* convert host ifc_len to target ifc_len */
3414
3415 nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq);
3416 target_ifc_len = nb_ifreq * target_ifreq_size;
3417 host_ifconf->ifc_len = target_ifc_len;
3418
3419 /* restore target ifc_buf */
3420
3421 host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf;
3422
3423 /* copy struct ifconf to target user */
3424
3425 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3426 if (!argptr)
3427 return -TARGET_EFAULT;
3428 thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET);
3429 unlock_user(argptr, arg, target_size);
3430
3431 /* copy ifreq[] to target user */
3432
3433 argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0);
3434 for (i = 0; i < nb_ifreq ; i++) {
3435 thunk_convert(argptr + i * target_ifreq_size,
3436 host_ifc_buf + i * sizeof(struct ifreq),
3437 ifreq_arg_type, THUNK_TARGET);
3438 }
3439 unlock_user(argptr, target_ifc_buf, target_ifc_len);
3440 }
3441
3442 if (free_buf) {
3443 free(host_ifconf);
3444 }
3445
3446 return ret;
3447}
3448
56e904ec
AG		 3449static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
3450 abi_long cmd, abi_long arg)
3451{
3452 void *argptr;
3453 struct dm_ioctl *host_dm;
3454 abi_long guest_data;
3455 uint32_t guest_data_size;
3456 int target_size;
3457 const argtype *arg_type = ie->arg_type;
3458 abi_long ret;
3459 void *big_buf = NULL;
3460 char *host_data;
3461
3462 arg_type++;
3463 target_size = thunk_type_size(arg_type, 0);
3464 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3465 if (!argptr) {
3466 ret = -TARGET_EFAULT;
3467 goto out;
3468 }
3469 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3470 unlock_user(argptr, arg, 0);
3471
3472 /* buf_temp is too small, so fetch things into a bigger buffer */
3473 big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2);
3474 memcpy(big_buf, buf_temp, target_size);
3475 buf_temp = big_buf;
3476 host_dm = big_buf;
3477
3478 guest_data = arg + host_dm->data_start;
3479 if ((guest_data - arg) < 0) {
3480 ret = -EINVAL;
3481 goto out;
3482 }
3483 guest_data_size = host_dm->data_size - host_dm->data_start;
3484 host_data = (char*)host_dm + host_dm->data_start;
3485
3486 argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1);
3487 switch (ie->host_cmd) {
3488 case DM_REMOVE_ALL:
3489 case DM_LIST_DEVICES:
3490 case DM_DEV_CREATE:
3491 case DM_DEV_REMOVE:
3492 case DM_DEV_SUSPEND:
3493 case DM_DEV_STATUS:
3494 case DM_DEV_WAIT:
3495 case DM_TABLE_STATUS:
3496 case DM_TABLE_CLEAR:
3497 case DM_TABLE_DEPS:
3498 case DM_LIST_VERSIONS:
3499 /* no input data */
3500 break;
3501 case DM_DEV_RENAME:
3502 case DM_DEV_SET_GEOMETRY:
3503 /* data contains only strings */
3504 memcpy(host_data, argptr, guest_data_size);
3505 break;
3506 case DM_TARGET_MSG:
3507 memcpy(host_data, argptr, guest_data_size);
3508 *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr);
3509 break;
3510 case DM_TABLE_LOAD:
3511 {
3512 void *gspec = argptr;
3513 void *cur_data = host_data;
3514 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3515 int spec_size = thunk_type_size(arg_type, 0);
3516 int i;
3517
3518 for (i = 0; i < host_dm->target_count; i++) {
3519 struct dm_target_spec *spec = cur_data;
3520 uint32_t next;
3521 int slen;
3522
3523 thunk_convert(spec, gspec, arg_type, THUNK_HOST);
3524 slen = strlen((char*)gspec + spec_size) + 1;
3525 next = spec->next;
3526 spec->next = sizeof(*spec) + slen;
3527 strcpy((char*)&spec[1], gspec + spec_size);
3528 gspec += next;
3529 cur_data += spec->next;
3530 }
3531 break;
3532 }
3533 default:
3534 ret = -TARGET_EINVAL;
3535 goto out;
3536 }
3537 unlock_user(argptr, guest_data, 0);
3538
3539 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3540 if (!is_error(ret)) {
3541 guest_data = arg + host_dm->data_start;
3542 guest_data_size = host_dm->data_size - host_dm->data_start;
3543 argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0);
3544 switch (ie->host_cmd) {
3545 case DM_REMOVE_ALL:
3546 case DM_DEV_CREATE:
3547 case DM_DEV_REMOVE:
3548 case DM_DEV_RENAME:
3549 case DM_DEV_SUSPEND:
3550 case DM_DEV_STATUS:
3551 case DM_TABLE_LOAD:
3552 case DM_TABLE_CLEAR:
3553 case DM_TARGET_MSG:
3554 case DM_DEV_SET_GEOMETRY:
3555 /* no return data */
3556 break;
3557 case DM_LIST_DEVICES:
3558 {
3559 struct dm_name_list *nl = (void*)host_dm + host_dm->data_start;
3560 uint32_t remaining_data = guest_data_size;
3561 void *cur_data = argptr;
3562 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) };
3563 int nl_size = 12; /* can't use thunk_size due to alignment */
3564
3565 while (1) {
3566 uint32_t next = nl->next;
3567 if (next) {
3568 nl->next = nl_size + (strlen(nl->name) + 1);
3569 }
3570 if (remaining_data < nl->next) {
3571 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3572 break;
3573 }
3574 thunk_convert(cur_data, nl, arg_type, THUNK_TARGET);
3575 strcpy(cur_data + nl_size, nl->name);
3576 cur_data += nl->next;
3577 remaining_data -= nl->next;
3578 if (!next) {
3579 break;
3580 }
3581 nl = (void*)nl + next;
3582 }
3583 break;
3584 }
3585 case DM_DEV_WAIT:
3586 case DM_TABLE_STATUS:
3587 {
3588 struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start;
3589 void *cur_data = argptr;
3590 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) };
3591 int spec_size = thunk_type_size(arg_type, 0);
3592 int i;
3593
3594 for (i = 0; i < host_dm->target_count; i++) {
3595 uint32_t next = spec->next;
3596 int slen = strlen((char*)&spec[1]) + 1;
3597 spec->next = (cur_data - argptr) + spec_size + slen;
3598 if (guest_data_size < spec->next) {
3599 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3600 break;
3601 }
3602 thunk_convert(cur_data, spec, arg_type, THUNK_TARGET);
3603 strcpy(cur_data + spec_size, (char*)&spec[1]);
3604 cur_data = argptr + spec->next;
3605 spec = (void*)host_dm + host_dm->data_start + next;
3606 }
3607 break;
3608 }
3609 case DM_TABLE_DEPS:
3610 {
3611 void *hdata = (void*)host_dm + host_dm->data_start;
3612 int count = *(uint32_t*)hdata;
3613 uint64_t *hdev = hdata + 8;
3614 uint64_t *gdev = argptr + 8;
3615 int i;
3616
3617 *(uint32_t*)argptr = tswap32(count);
3618 for (i = 0; i < count; i++) {
3619 *gdev = tswap64(*hdev);
3620 gdev++;
3621 hdev++;
3622 }
3623 break;
3624 }
3625 case DM_LIST_VERSIONS:
3626 {
3627 struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start;
3628 uint32_t remaining_data = guest_data_size;
3629 void *cur_data = argptr;
3630 const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) };
3631 int vers_size = thunk_type_size(arg_type, 0);
3632
3633 while (1) {
3634 uint32_t next = vers->next;
3635 if (next) {
3636 vers->next = vers_size + (strlen(vers->name) + 1);
3637 }
3638 if (remaining_data < vers->next) {
3639 host_dm->flags |= DM_BUFFER_FULL_FLAG;
3640 break;
3641 }
3642 thunk_convert(cur_data, vers, arg_type, THUNK_TARGET);
3643 strcpy(cur_data + vers_size, vers->name);
3644 cur_data += vers->next;
3645 remaining_data -= vers->next;
3646 if (!next) {
3647 break;
3648 }
3649 vers = (void*)vers + next;
3650 }
3651 break;
3652 }
3653 default:
3654 ret = -TARGET_EINVAL;
3655 goto out;
3656 }
3657 unlock_user(argptr, guest_data, guest_data_size);
3658
3659 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3660 if (!argptr) {
3661 ret = -TARGET_EFAULT;
3662 goto out;
3663 }
3664 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3665 unlock_user(argptr, arg, target_size);
3666 }
3667out:
ad11ad77 3668 g_free(big_buf);
56e904ec
AG		 3669 return ret;
3670}
3671
7ff7b666
LV		 3672static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp,
3673 int fd, abi_long cmd, abi_long arg)
3674{
3675 const argtype *arg_type = ie->arg_type;
3676 const StructEntry *se;
3677 const argtype *field_types;
3678 const int *dst_offsets, *src_offsets;
3679 int target_size;
3680 void *argptr;
3681 abi_ulong *target_rt_dev_ptr;
3682 unsigned long *host_rt_dev_ptr;
3683 abi_long ret;
3684 int i;
3685
3686 assert(ie->access == IOC_W);
3687 assert(*arg_type == TYPE_PTR);
3688 arg_type++;
3689 assert(*arg_type == TYPE_STRUCT);
3690 target_size = thunk_type_size(arg_type, 0);
3691 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3692 if (!argptr) {
3693 return -TARGET_EFAULT;
3694 }
3695 arg_type++;
3696 assert(*arg_type == (int)STRUCT_rtentry);
3697 se = struct_entries + *arg_type++;
3698 assert(se->convert[0] == NULL);
3699 /* convert struct here to be able to catch rt_dev string */
3700 field_types = se->field_types;
3701 dst_offsets = se->field_offsets[THUNK_HOST];
3702 src_offsets = se->field_offsets[THUNK_TARGET];
3703 for (i = 0; i < se->nb_fields; i++) {
3704 if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) {
3705 assert(*field_types == TYPE_PTRVOID);
3706 target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]);
3707 host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]);
3708 if (*target_rt_dev_ptr != 0) {
3709 *host_rt_dev_ptr = (unsigned long)lock_user_string(
3710 tswapal(*target_rt_dev_ptr));
3711 if (!*host_rt_dev_ptr) {
3712 unlock_user(argptr, arg, 0);
3713 return -TARGET_EFAULT;
3714 }
3715 } else {
3716 *host_rt_dev_ptr = 0;
3717 }
3718 field_types++;
3719 continue;
3720 }
3721 field_types = thunk_convert(buf_temp + dst_offsets[i],
3722 argptr + src_offsets[i],
3723 field_types, THUNK_HOST);
3724 }
3725 unlock_user(argptr, arg, 0);
3726
3727 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3728 if (*host_rt_dev_ptr != 0) {
3729 unlock_user((void *)*host_rt_dev_ptr,
3730 *target_rt_dev_ptr, 0);
3731 }
3732 return ret;
3733}
3734
9f106a75 3735static IOCTLEntry ioctl_entries[] = {
001faf32 3736#define IOCTL(cmd, access, ...) \
d2ef05bb
PM		 3737 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3738#define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3739 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
31e31b8a
FB		 3740#include "ioctls.h"
3741 { 0, 0, },
3742};
3743
53a5960a 3744/* ??? Implement proper locking for ioctls. */
0da46a6e 3745/* do_ioctl() Must return target values and target errnos. */
992f48a0 3746static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 3747{
3748 const IOCTLEntry *ie;
3749 const argtype *arg_type;
992f48a0 3750 abi_long ret;
31e31b8a 3751 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 3752 int target_size;
3753 void *argptr;
31e31b8a
FB		 3754
3755 ie = ioctl_entries;
3756 for(;;) {
3757 if (ie->target_cmd == 0) {
32407103 3758 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 3759 return -TARGET_ENOSYS;
31e31b8a
FB		 3760 }
3761 if (ie->target_cmd == cmd)
3762 break;
3763 ie++;
3764 }
3765 arg_type = ie->arg_type;
9de5e440 3766#if defined(DEBUG)
32407103 3767 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 3768#endif
d2ef05bb
PM		 3769 if (ie->do_ioctl) {
3770 return ie->do_ioctl(ie, buf_temp, fd, cmd, arg);
3771 }
3772
31e31b8a
FB		 3773 switch(arg_type[0]) {
3774 case TYPE_NULL:
3775 /* no argument */
3776 ret = get_errno(ioctl(fd, ie->host_cmd));
3777 break;
3778 case TYPE_PTRVOID:
3779 case TYPE_INT:
3780 /* int argment */
3781 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3782 break;
3783 case TYPE_PTR:
3784 arg_type++;
53a5960a 3785 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 3786 switch(ie->access) {
3787 case IOC_R:
3788 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3789 if (!is_error(ret)) {
579a97f7
FB		 3790 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3791 if (!argptr)
3792 return -TARGET_EFAULT;
53a5960a
PB		 3793 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3794 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3795 }
3796 break;
3797 case IOC_W:
579a97f7
FB		 3798 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3799 if (!argptr)
3800 return -TARGET_EFAULT;
53a5960a
PB		 3801 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3802 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3803 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3804 break;
3805 default:
3806 case IOC_RW:
579a97f7
FB		 3807 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3808 if (!argptr)
3809 return -TARGET_EFAULT;
53a5960a
PB		 3810 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3811 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3812 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3813 if (!is_error(ret)) {
579a97f7
FB		 3814 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3815 if (!argptr)
3816 return -TARGET_EFAULT;
53a5960a
PB		 3817 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3818 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3819 }
3820 break;
3821 }
3822 break;
3823 default:
32407103
JM		 3824 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3825 (long)cmd, arg_type[0]);
0da46a6e 3826 ret = -TARGET_ENOSYS;
31e31b8a
FB		 3827 break;
3828 }
3829 return ret;
3830}
3831
b39bc503 3832static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 3833 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3834 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3835 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3836 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3837 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3838 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3839 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3840 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3841 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3842 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3843 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3844 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3845 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3846 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3847 { 0, 0, 0, 0 }
3848};
3849
b39bc503 3850static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3851 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3852 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3853 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3854 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3855 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3856 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3857 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3858 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3859 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3860 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3861 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3862 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3863 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3864 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3865 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3866 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3867 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3868 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3869 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3870 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3871 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3872 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3873 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3874 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3875 { 0, 0, 0, 0 }
3876};
3877
b39bc503 3878static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3879 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3880 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3881 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3882 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3883 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3884 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3885 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3886 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3887 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3888 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3889 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3890 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3891 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3892 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3893 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3894 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3895 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3896 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3897 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3898 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3899 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3900 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3901 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3902 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3903 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3904 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3905 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3906 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3907 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3908 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3909 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3910 { 0, 0, 0, 0 }
3911};
3912
b39bc503 3913static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3914 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3915 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3916 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3917 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3918 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3919 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3920 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3921 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3922 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3923 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3924 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3925 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3926 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3927 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3928 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3929 { 0, 0, 0, 0 }
3930};
3931
3932static void target_to_host_termios (void *dst, const void *src)
3933{
3934 struct host_termios *host = dst;
3935 const struct target_termios *target = src;
3b46e624 3936
5fafdf24 3937 host->c_iflag =
31e31b8a 3938 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3939 host->c_oflag =
31e31b8a 3940 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3941 host->c_cflag =
31e31b8a 3942 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3943 host->c_lflag =
31e31b8a
FB		 3944 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3945 host->c_line = target->c_line;
3b46e624 3946
44607123 3947 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3948 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3949 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3950 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3951 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3952 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3953 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3954 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3955 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3956 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3957 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3958 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3959 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3960 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3961 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3962 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3963 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3964 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3965}
3b46e624 3966
31e31b8a
FB		 3967static void host_to_target_termios (void *dst, const void *src)
3968{
3969 struct target_termios *target = dst;
3970 const struct host_termios *host = src;
3971
5fafdf24 3972 target->c_iflag =
31e31b8a 3973 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3974 target->c_oflag =
31e31b8a 3975 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3976 target->c_cflag =
31e31b8a 3977 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3978 target->c_lflag =
31e31b8a
FB		 3979 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3980 target->c_line = host->c_line;
3b46e624 3981
44607123 3982 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3983 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3984 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3985 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3986 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3987 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3988 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3989 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3990 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3991 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3992 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3993 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3994 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3995 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3996 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3997 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3998 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3999 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
4000}
4001
8e853dc7 4002static const StructEntry struct_termios_def = {
31e31b8a
FB		 4003 .convert = { host_to_target_termios, target_to_host_termios },
4004 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
4005 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
4006};
4007
5286db75
FB		 4008static bitmask_transtbl mmap_flags_tbl[] = {
4009 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
4010 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
4011 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
4012 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
4013 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
4014 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
4015 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
4016 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
4017 { 0, 0, 0, 0 }
4018};
4019
2ab83ea7 4020#if defined(TARGET_I386)
6dbad63e
FB		 4021
4022/* NOTE: there is really one LDT for all the threads */
b1d8e52e 4023static uint8_t *ldt_table;
6dbad63e 4024
03acab66 4025static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 4026{
4027 int size;
53a5960a 4028 void *p;
6dbad63e
FB		 4029
4030 if (!ldt_table)
4031 return 0;
4032 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
4033 if (size > bytecount)
4034 size = bytecount;
579a97f7
FB		 4035 p = lock_user(VERIFY_WRITE, ptr, size, 0);
4036 if (!p)
03acab66 4037 return -TARGET_EFAULT;
579a97f7 4038 /* ??? Should this by byteswapped? */
53a5960a
PB		 4039 memcpy(p, ldt_table, size);
4040 unlock_user(p, ptr, size);
6dbad63e
FB		 4041 return size;
4042}
4043
4044/* XXX: add locking support */
03acab66
FB		 4045static abi_long write_ldt(CPUX86State *env,
4046 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 4047{
4048 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 4049 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 4050 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 4051 int seg_not_present, useable, lm;
6dbad63e
FB		 4052 uint32_t *lp, entry_1, entry_2;
4053
4054 if (bytecount != sizeof(ldt_info))
03acab66 4055 return -TARGET_EINVAL;
579a97f7 4056 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 4057 return -TARGET_EFAULT;
53a5960a 4058 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4059 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
53a5960a
PB		 4060 ldt_info.limit = tswap32(target_ldt_info->limit);
4061 ldt_info.flags = tswap32(target_ldt_info->flags);
4062 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 4063
6dbad63e 4064 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 4065 return -TARGET_EINVAL;
6dbad63e
FB		 4066 seg_32bit = ldt_info.flags & 1;
4067 contents = (ldt_info.flags >> 1) & 3;
4068 read_exec_only = (ldt_info.flags >> 3) & 1;
4069 limit_in_pages = (ldt_info.flags >> 4) & 1;
4070 seg_not_present = (ldt_info.flags >> 5) & 1;
4071 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 4072#ifdef TARGET_ABI32
4073 lm = 0;
4074#else
4075 lm = (ldt_info.flags >> 7) & 1;
4076#endif
6dbad63e
FB		 4077 if (contents == 3) {
4078 if (oldmode)
03acab66 4079 return -TARGET_EINVAL;
6dbad63e 4080 if (seg_not_present == 0)
03acab66 4081 return -TARGET_EINVAL;
6dbad63e
FB		 4082 }
4083 /* allocate the LDT */
4084 if (!ldt_table) {
e441570f
AZ		 4085 env->ldt.base = target_mmap(0,
4086 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
4087 PROT_READ|PROT_WRITE,
4088 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
4089 if (env->ldt.base == -1)
03acab66 4090 return -TARGET_ENOMEM;
e441570f
AZ		 4091 memset(g2h(env->ldt.base), 0,
4092 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 4093 env->ldt.limit = 0xffff;
e441570f 4094 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 4095 }
4096
4097 /* NOTE: same code as Linux kernel */
4098 /* Allow LDTs to be cleared by the user. */
4099 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4100 if (oldmode ||
4101 (contents == 0 &&
4102 read_exec_only == 1 &&
4103 seg_32bit == 0 &&
4104 limit_in_pages == 0 &&
4105 seg_not_present == 1 &&
4106 useable == 0 )) {
4107 entry_1 = 0;
4108 entry_2 = 0;
4109 goto install;
4110 }
4111 }
3b46e624 4112
6dbad63e
FB		 4113 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4114 (ldt_info.limit & 0x0ffff);
4115 entry_2 = (ldt_info.base_addr & 0xff000000) |
4116 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4117 (ldt_info.limit & 0xf0000) |
4118 ((read_exec_only ^ 1) << 9) |
4119 (contents << 10) |
4120 ((seg_not_present ^ 1) << 15) |
4121 (seg_32bit << 22) |
4122 (limit_in_pages << 23) |
8d18e893 4123 (lm << 21) |
6dbad63e
FB		 4124 0x7000;
4125 if (!oldmode)
4126 entry_2 |= (useable << 20);
14ae3ba7 4127
6dbad63e
FB		 4128 /* Install the new entry ... */
4129install:
4130 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
4131 lp[0] = tswap32(entry_1);
4132 lp[1] = tswap32(entry_2);
4133 return 0;
4134}
4135
4136/* specific and weird i386 syscalls */
8fcd3692
BS		 4137static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
4138 unsigned long bytecount)
6dbad63e 4139{
03acab66 4140 abi_long ret;
3b46e624 4141
6dbad63e
FB		 4142 switch (func) {
4143 case 0:
4144 ret = read_ldt(ptr, bytecount);
4145 break;
4146 case 1:
4147 ret = write_ldt(env, ptr, bytecount, 1);
4148 break;
4149 case 0x11:
4150 ret = write_ldt(env, ptr, bytecount, 0);
4151 break;
03acab66
FB		 4152 default:
4153 ret = -TARGET_ENOSYS;
4154 break;
6dbad63e
FB		 4155 }
4156 return ret;
4157}
1b6b029e 4158
4583f589 4159#if defined(TARGET_I386) && defined(TARGET_ABI32)
bc22eb44 4160abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4161{
4162 uint64_t *gdt_table = g2h(env->gdt.base);
4163 struct target_modify_ldt_ldt_s ldt_info;
4164 struct target_modify_ldt_ldt_s *target_ldt_info;
4165 int seg_32bit, contents, read_exec_only, limit_in_pages;
4166 int seg_not_present, useable, lm;
4167 uint32_t *lp, entry_1, entry_2;
4168 int i;
4169
4170 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4171 if (!target_ldt_info)
4172 return -TARGET_EFAULT;
4173 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
cbb21eed 4174 ldt_info.base_addr = tswapal(target_ldt_info->base_addr);
8d18e893
FB		 4175 ldt_info.limit = tswap32(target_ldt_info->limit);
4176 ldt_info.flags = tswap32(target_ldt_info->flags);
4177 if (ldt_info.entry_number == -1) {
4178 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
4179 if (gdt_table[i] == 0) {
4180 ldt_info.entry_number = i;
4181 target_ldt_info->entry_number = tswap32(i);
4182 break;
4183 }
4184 }
4185 }
4186 unlock_user_struct(target_ldt_info, ptr, 1);
4187
4188 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
4189 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
4190 return -TARGET_EINVAL;
4191 seg_32bit = ldt_info.flags & 1;
4192 contents = (ldt_info.flags >> 1) & 3;
4193 read_exec_only = (ldt_info.flags >> 3) & 1;
4194 limit_in_pages = (ldt_info.flags >> 4) & 1;
4195 seg_not_present = (ldt_info.flags >> 5) & 1;
4196 useable = (ldt_info.flags >> 6) & 1;
4197#ifdef TARGET_ABI32
4198 lm = 0;
4199#else
4200 lm = (ldt_info.flags >> 7) & 1;
4201#endif
4202
4203 if (contents == 3) {
4204 if (seg_not_present == 0)
4205 return -TARGET_EINVAL;
4206 }
4207
4208 /* NOTE: same code as Linux kernel */
4209 /* Allow LDTs to be cleared by the user. */
4210 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
4211 if ((contents == 0 &&
4212 read_exec_only == 1 &&
4213 seg_32bit == 0 &&
4214 limit_in_pages == 0 &&
4215 seg_not_present == 1 &&
4216 useable == 0 )) {
4217 entry_1 = 0;
4218 entry_2 = 0;
4219 goto install;
4220 }
4221 }
4222
4223 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
4224 (ldt_info.limit & 0x0ffff);
4225 entry_2 = (ldt_info.base_addr & 0xff000000) |
4226 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
4227 (ldt_info.limit & 0xf0000) |
4228 ((read_exec_only ^ 1) << 9) |
4229 (contents << 10) |
4230 ((seg_not_present ^ 1) << 15) |
4231 (seg_32bit << 22) |
4232 (limit_in_pages << 23) |
4233 (useable << 20) |
4234 (lm << 21) |
4235 0x7000;
4236
4237 /* Install the new entry ... */
4238install:
4239 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
4240 lp[0] = tswap32(entry_1);
4241 lp[1] = tswap32(entry_2);
4242 return 0;
4243}
4244
8fcd3692 4245static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 4246{
4247 struct target_modify_ldt_ldt_s *target_ldt_info;
4248 uint64_t *gdt_table = g2h(env->gdt.base);
4249 uint32_t base_addr, limit, flags;
4250 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
4251 int seg_not_present, useable, lm;
4252 uint32_t *lp, entry_1, entry_2;
4253
4254 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
4255 if (!target_ldt_info)
4256 return -TARGET_EFAULT;
4257 idx = tswap32(target_ldt_info->entry_number);
4258 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
4259 idx > TARGET_GDT_ENTRY_TLS_MAX) {
4260 unlock_user_struct(target_ldt_info, ptr, 1);
4261 return -TARGET_EINVAL;
4262 }
4263 lp = (uint32_t *)(gdt_table + idx);
4264 entry_1 = tswap32(lp[0]);
4265 entry_2 = tswap32(lp[1]);
4266
4267 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
4268 contents = (entry_2 >> 10) & 3;
4269 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
4270 seg_32bit = (entry_2 >> 22) & 1;
4271 limit_in_pages = (entry_2 >> 23) & 1;
4272 useable = (entry_2 >> 20) & 1;
4273#ifdef TARGET_ABI32
4274 lm = 0;
4275#else
4276 lm = (entry_2 >> 21) & 1;
4277#endif
4278 flags = (seg_32bit << 0) | (contents << 1) |
4279 (read_exec_only << 3) | (limit_in_pages << 4) |
4280 (seg_not_present << 5) | (useable << 6) | (lm << 7);
4281 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
4282 base_addr = (entry_1 >> 16) |
4283 (entry_2 & 0xff000000) |
4284 ((entry_2 & 0xff) << 16);
cbb21eed 4285 target_ldt_info->base_addr = tswapal(base_addr);
8d18e893
FB		 4286 target_ldt_info->limit = tswap32(limit);
4287 target_ldt_info->flags = tswap32(flags);
4288 unlock_user_struct(target_ldt_info, ptr, 1);
4289 return 0;
4290}
4583f589 4291#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 4292
d2fd1af7 4293#ifndef TARGET_ABI32
2667e71c 4294abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7 4295{
1add8698 4296 abi_long ret = 0;
d2fd1af7
FB		 4297 abi_ulong val;
4298 int idx;
1add8698 4299
d2fd1af7
FB		 4300 switch(code) {
4301 case TARGET_ARCH_SET_GS:
4302 case TARGET_ARCH_SET_FS:
4303 if (code == TARGET_ARCH_SET_GS)
4304 idx = R_GS;
4305 else
4306 idx = R_FS;
4307 cpu_x86_load_seg(env, idx, 0);
4308 env->segs[idx].base = addr;
4309 break;
4310 case TARGET_ARCH_GET_GS:
4311 case TARGET_ARCH_GET_FS:
4312 if (code == TARGET_ARCH_GET_GS)
4313 idx = R_GS;
4314 else
4315 idx = R_FS;
4316 val = env->segs[idx].base;
4317 if (put_user(val, addr, abi_ulong))
1add8698 4318 ret = -TARGET_EFAULT;
d2fd1af7
FB		 4319 break;
4320 default:
4321 ret = -TARGET_EINVAL;
4322 break;
4323 }
1add8698 4324 return ret;
d2fd1af7
FB		 4325}
4326#endif
4327
2ab83ea7
FB		 4328#endif /* defined(TARGET_I386) */
4329
05098a93 4330#define NEW_STACK_SIZE 0x40000
d865bab5 4331
d865bab5
PB		 4332
4333static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
4334typedef struct {
9349b4f9 4335 CPUArchState *env;
d865bab5
PB		 4336 pthread_mutex_t mutex;
4337 pthread_cond_t cond;
4338 pthread_t thread;
4339 uint32_t tid;
4340 abi_ulong child_tidptr;
4341 abi_ulong parent_tidptr;
4342 sigset_t sigmask;
4343} new_thread_info;
4344
4345static void *clone_func(void *arg)
4346{
4347 new_thread_info *info = arg;
9349b4f9 4348 CPUArchState *env;
0d34282f 4349 CPUState *cpu;
edf8e2af 4350 TaskState *ts;
d865bab5
PB		 4351
4352 env = info->env;
0d34282f 4353 cpu = ENV_GET_CPU(env);
a2247f8e
AF		 4354 thread_cpu = cpu;
4355 ts = (TaskState *)env->opaque;
d865bab5 4356 info->tid = gettid();
0d34282f 4357 cpu->host_tid = info->tid;
edf8e2af 4358 task_settid(ts);
d865bab5
PB		 4359 if (info->child_tidptr)
4360 put_user_u32(info->tid, info->child_tidptr);
4361 if (info->parent_tidptr)
4362 put_user_u32(info->tid, info->parent_tidptr);
4363 /* Enable signals. */
4364 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
4365 /* Signal to the parent that we're ready. */
4366 pthread_mutex_lock(&info->mutex);
4367 pthread_cond_broadcast(&info->cond);
4368 pthread_mutex_unlock(&info->mutex);
4369 /* Wait until the parent has finshed initializing the tls state. */
4370 pthread_mutex_lock(&clone_lock);
4371 pthread_mutex_unlock(&clone_lock);
4372 cpu_loop(env);
4373 /* never exits */
4374 return NULL;
4375}
1b6b029e 4376
0da46a6e
TS		 4377/* do_fork() Must return host values and target errnos (unlike most
4378 do_*() functions). */
9349b4f9 4379static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
d865bab5
PB		 4380 abi_ulong parent_tidptr, target_ulong newtls,
4381 abi_ulong child_tidptr)
1b6b029e
FB		 4382{
4383 int ret;
5cd4393b 4384 TaskState *ts;
9349b4f9 4385 CPUArchState *new_env;
d865bab5
PB		 4386 unsigned int nptl_flags;
4387 sigset_t sigmask;
3b46e624 4388
436d124b
AZ		 4389 /* Emulate vfork() with fork() */
4390 if (flags & CLONE_VFORK)
4391 flags &= ~(CLONE_VFORK | CLONE_VM);
4392
1b6b029e 4393 if (flags & CLONE_VM) {
edf8e2af 4394 TaskState *parent_ts = (TaskState *)env->opaque;
d865bab5
PB		 4395 new_thread_info info;
4396 pthread_attr_t attr;
24cb36a6 4397
7267c094 4398 ts = g_malloc0(sizeof(TaskState));
624f7979 4399 init_task_state(ts);
1b6b029e 4400 /* we create a new CPU instance. */
c5be9f08 4401 new_env = cpu_copy(env);
6e68e076
PB		 4402 /* Init regs that differ from the parent. */
4403 cpu_clone_regs(new_env, newsp);
5cd4393b 4404 new_env->opaque = ts;
edf8e2af
MW		 4405 ts->bprm = parent_ts->bprm;
4406 ts->info = parent_ts->info;
d865bab5
PB		 4407 nptl_flags = flags;
4408 flags &= ~CLONE_NPTL_FLAGS2;
4409
c2764719
PB		 4410 if (nptl_flags & CLONE_CHILD_CLEARTID) {
4411 ts->child_tidptr = child_tidptr;
4412 }
4413
d865bab5
PB		 4414 if (nptl_flags & CLONE_SETTLS)
4415 cpu_set_tls (new_env, newtls);
4416
4417 /* Grab a mutex so that thread setup appears atomic. */
4418 pthread_mutex_lock(&clone_lock);
4419
4420 memset(&info, 0, sizeof(info));
4421 pthread_mutex_init(&info.mutex, NULL);
4422 pthread_mutex_lock(&info.mutex);
4423 pthread_cond_init(&info.cond, NULL);
4424 info.env = new_env;
4425 if (nptl_flags & CLONE_CHILD_SETTID)
4426 info.child_tidptr = child_tidptr;
4427 if (nptl_flags & CLONE_PARENT_SETTID)
4428 info.parent_tidptr = parent_tidptr;
4429
4430 ret = pthread_attr_init(&attr);
48e15fc2
NF		 4431 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
4432 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
d865bab5
PB		 4433 /* It is not safe to deliver signals until the child has finished
4434 initializing, so temporarily block all signals. */
4435 sigfillset(&sigmask);
4436 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
4437
4438 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 4439 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 4440
4441 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
4442 pthread_attr_destroy(&attr);
4443 if (ret == 0) {
4444 /* Wait for the child to initialize. */
4445 pthread_cond_wait(&info.cond, &info.mutex);
4446 ret = info.tid;
4447 if (flags & CLONE_PARENT_SETTID)
4448 put_user_u32(ret, parent_tidptr);
4449 } else {
4450 ret = -1;
4451 }
4452 pthread_mutex_unlock(&info.mutex);
4453 pthread_cond_destroy(&info.cond);
4454 pthread_mutex_destroy(&info.mutex);
4455 pthread_mutex_unlock(&clone_lock);
1b6b029e
FB		 4456 } else {
4457 /* if no CLONE_VM, we consider it is a fork */
d865bab5 4458 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 4459 return -EINVAL;
d865bab5 4460 fork_start();
1b6b029e 4461 ret = fork();
d865bab5 4462 if (ret == 0) {
2b1319c8 4463 /* Child Process. */
d865bab5
PB		 4464 cpu_clone_regs(env, newsp);
4465 fork_end(1);
2b1319c8
AJ		 4466 /* There is a race condition here. The parent process could
4467 theoretically read the TID in the child process before the child
4468 tid is set. This would require using either ptrace
4469 (not implemented) or having *_tidptr to point at a shared memory
4470 mapping. We can't repeat the spinlock hack used above because
4471 the child process gets its own copy of the lock. */
d865bab5
PB		 4472 if (flags & CLONE_CHILD_SETTID)
4473 put_user_u32(gettid(), child_tidptr);
4474 if (flags & CLONE_PARENT_SETTID)
4475 put_user_u32(gettid(), parent_tidptr);
4476 ts = (TaskState *)env->opaque;
4477 if (flags & CLONE_SETTLS)
4478 cpu_set_tls (env, newtls);
c2764719
PB		 4479 if (flags & CLONE_CHILD_CLEARTID)
4480 ts->child_tidptr = child_tidptr;
d865bab5
PB		 4481 } else {
4482 fork_end(0);
4483 }
1b6b029e
FB		 4484 }
4485 return ret;
4486}
4487
5f106811
APR		 4488/* warning : doesn't handle linux specific flags... */
4489static int target_to_host_fcntl_cmd(int cmd)
4490{
4491 switch(cmd) {
4492 case TARGET_F_DUPFD:
4493 case TARGET_F_GETFD:
4494 case TARGET_F_SETFD:
4495 case TARGET_F_GETFL:
4496 case TARGET_F_SETFL:
4497 return cmd;
4498 case TARGET_F_GETLK:
4499 return F_GETLK;
4500 case TARGET_F_SETLK:
4501 return F_SETLK;
4502 case TARGET_F_SETLKW:
4503 return F_SETLKW;
4504 case TARGET_F_GETOWN:
4505 return F_GETOWN;
4506 case TARGET_F_SETOWN:
4507 return F_SETOWN;
4508 case TARGET_F_GETSIG:
4509 return F_GETSIG;
4510 case TARGET_F_SETSIG:
4511 return F_SETSIG;
4512#if TARGET_ABI_BITS == 32
4513 case TARGET_F_GETLK64:
4514 return F_GETLK64;
4515 case TARGET_F_SETLK64:
4516 return F_SETLK64;
4517 case TARGET_F_SETLKW64:
4518 return F_SETLKW64;
4519#endif
7e22e546
UH		 4520 case TARGET_F_SETLEASE:
4521 return F_SETLEASE;
4522 case TARGET_F_GETLEASE:
4523 return F_GETLEASE;
fbd5de9b 4524#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 4525 case TARGET_F_DUPFD_CLOEXEC:
4526 return F_DUPFD_CLOEXEC;
fbd5de9b 4527#endif
7e22e546
UH		 4528 case TARGET_F_NOTIFY:
4529 return F_NOTIFY;
5f106811
APR		 4530 default:
4531 return -TARGET_EINVAL;
4532 }
4533 return -TARGET_EINVAL;
4534}
4535
2ba7f730
LV		 4536#define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
4537static const bitmask_transtbl flock_tbl[] = {
4538 TRANSTBL_CONVERT(F_RDLCK),
4539 TRANSTBL_CONVERT(F_WRLCK),
4540 TRANSTBL_CONVERT(F_UNLCK),
4541 TRANSTBL_CONVERT(F_EXLCK),
4542 TRANSTBL_CONVERT(F_SHLCK),
4543 { 0, 0, 0, 0 }
4544};
4545
992f48a0 4546static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 4547{
4548 struct flock fl;
53a5960a 4549 struct target_flock *target_fl;
43f238d7
TS		 4550 struct flock64 fl64;
4551 struct target_flock64 *target_fl64;
992f48a0 4552 abi_long ret;
5f106811
APR		 4553 int host_cmd = target_to_host_fcntl_cmd(cmd);
4554
4555 if (host_cmd == -TARGET_EINVAL)
4556 return host_cmd;
53a5960a 4557
7775e9ec
FB		 4558 switch(cmd) {
4559 case TARGET_F_GETLK:
579a97f7
FB		 4560 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4561 return -TARGET_EFAULT;
2ba7f730
LV		 4562 fl.l_type =
4563 target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
5813427b 4564 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4565 fl.l_start = tswapal(target_fl->l_start);
4566 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4567 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 4568 unlock_user_struct(target_fl, arg, 0);
5f106811 4569 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4570 if (ret == 0) {
579a97f7
FB		 4571 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
4572 return -TARGET_EFAULT;
2ba7f730
LV		 4573 target_fl->l_type =
4574 host_to_target_bitmask(tswap16(fl.l_type), flock_tbl);
7775e9ec 4575 target_fl->l_whence = tswap16(fl.l_whence);
cbb21eed
MB		 4576 target_fl->l_start = tswapal(fl.l_start);
4577 target_fl->l_len = tswapal(fl.l_len);
7e22e546 4578 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 4579 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 4580 }
4581 break;
3b46e624 4582
7775e9ec
FB		 4583 case TARGET_F_SETLK:
4584 case TARGET_F_SETLKW:
579a97f7
FB		 4585 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
4586 return -TARGET_EFAULT;
2ba7f730
LV		 4587 fl.l_type =
4588 target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl);
7775e9ec 4589 fl.l_whence = tswap16(target_fl->l_whence);
cbb21eed
MB		 4590 fl.l_start = tswapal(target_fl->l_start);
4591 fl.l_len = tswapal(target_fl->l_len);
7e22e546 4592 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 4593 unlock_user_struct(target_fl, arg, 0);
5f106811 4594 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 4595 break;
3b46e624 4596
7775e9ec 4597 case TARGET_F_GETLK64:
579a97f7
FB		 4598 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4599 return -TARGET_EFAULT;
2ba7f730
LV		 4600 fl64.l_type =
4601 target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
5813427b 4602 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4603 fl64.l_start = tswap64(target_fl64->l_start);
4604 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4605 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 4606 unlock_user_struct(target_fl64, arg, 0);
5f106811 4607 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 4608 if (ret == 0) {
579a97f7
FB		 4609 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
4610 return -TARGET_EFAULT;
2ba7f730
LV		 4611 target_fl64->l_type =
4612 host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1;
43f238d7 4613 target_fl64->l_whence = tswap16(fl64.l_whence);
cbb21eed
MB		 4614 target_fl64->l_start = tswap64(fl64.l_start);
4615 target_fl64->l_len = tswap64(fl64.l_len);
7e22e546 4616 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 4617 unlock_user_struct(target_fl64, arg, 1);
4618 }
9ee1fa2c 4619 break;
7775e9ec
FB		 4620 case TARGET_F_SETLK64:
4621 case TARGET_F_SETLKW64:
579a97f7
FB		 4622 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
4623 return -TARGET_EFAULT;
2ba7f730
LV		 4624 fl64.l_type =
4625 target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1;
43f238d7 4626 fl64.l_whence = tswap16(target_fl64->l_whence);
cbb21eed
MB		 4627 fl64.l_start = tswap64(target_fl64->l_start);
4628 fl64.l_len = tswap64(target_fl64->l_len);
7e22e546 4629 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 4630 unlock_user_struct(target_fl64, arg, 0);
5f106811 4631 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 4632 break;
4633
5f106811
APR		 4634 case TARGET_F_GETFL:
4635 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 4636 if (ret >= 0) {
4637 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
4638 }
ffa65c3b
FB		 4639 break;
4640
5f106811
APR		 4641 case TARGET_F_SETFL:
4642 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
4643 break;
4644
4645 case TARGET_F_SETOWN:
4646 case TARGET_F_GETOWN:
4647 case TARGET_F_SETSIG:
4648 case TARGET_F_GETSIG:
7e22e546
UH		 4649 case TARGET_F_SETLEASE:
4650 case TARGET_F_GETLEASE:
5f106811 4651 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 4652 break;
4653
7775e9ec 4654 default:
9ee1fa2c 4655 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 4656 break;
4657 }
4658 return ret;
4659}
4660
67867308 4661#ifdef USE_UID16
7775e9ec 4662
67867308
FB		 4663static inline int high2lowuid(int uid)
4664{
4665 if (uid > 65535)
4666 return 65534;
4667 else
4668 return uid;
4669}
4670
4671static inline int high2lowgid(int gid)
4672{
4673 if (gid > 65535)
4674 return 65534;
4675 else
4676 return gid;
4677}
4678
4679static inline int low2highuid(int uid)
4680{
4681 if ((int16_t)uid == -1)
4682 return -1;
4683 else
4684 return uid;
4685}
4686
4687static inline int low2highgid(int gid)
4688{
4689 if ((int16_t)gid == -1)
4690 return -1;
4691 else
4692 return gid;
4693}
0c866a7e
RV		 4694static inline int tswapid(int id)
4695{
4696 return tswap16(id);
4697}
4698#else /* !USE_UID16 */
4699static inline int high2lowuid(int uid)
4700{
4701 return uid;
4702}
4703static inline int high2lowgid(int gid)
4704{
4705 return gid;
4706}
4707static inline int low2highuid(int uid)
4708{
4709 return uid;
4710}
4711static inline int low2highgid(int gid)
4712{
4713 return gid;
4714}
4715static inline int tswapid(int id)
4716{
4717 return tswap32(id);
4718}
67867308 4719#endif /* USE_UID16 */
1b6b029e 4720
31e31b8a
FB		 4721void syscall_init(void)
4722{
2ab83ea7
FB		 4723 IOCTLEntry *ie;
4724 const argtype *arg_type;
4725 int size;
b92c47c1 4726 int i;
2ab83ea7 4727
001faf32 4728#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 4729#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 4730#include "syscall_types.h"
4731#undef STRUCT
4732#undef STRUCT_SPECIAL
2ab83ea7 4733
dd6e957a
PM		 4734 /* Build target_to_host_errno_table[] table from
4735 * host_to_target_errno_table[]. */
4736 for (i = 0; i < ERRNO_TABLE_SIZE; i++) {
4737 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
4738 }
4739
2ab83ea7
FB		 4740 /* we patch the ioctl size if necessary. We rely on the fact that
4741 no ioctl has all the bits at '1' in the size field */
4742 ie = ioctl_entries;
4743 while (ie->target_cmd != 0) {
4744 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
4745 TARGET_IOC_SIZEMASK) {
4746 arg_type = ie->arg_type;
4747 if (arg_type[0] != TYPE_PTR) {
5fafdf24 4748 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 4749 ie->target_cmd);
4750 exit(1);
4751 }
4752 arg_type++;
4753 size = thunk_type_size(arg_type, 0);
5fafdf24 4754 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 4755 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
4756 (size << TARGET_IOC_SIZESHIFT);
4757 }
b92c47c1 4758
2ab83ea7 4759 /* automatic consistency check if same arch */
872ea0c0
AZ		 4760#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4761 (defined(__x86_64__) && defined(TARGET_X86_64))
4762 if (unlikely(ie->target_cmd != ie->host_cmd)) {
4763 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4764 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 4765 }
4766#endif
4767 ie++;
4768 }
31e31b8a 4769}
c573ff67 4770
992f48a0 4771#if TARGET_ABI_BITS == 32
ce4defa0
PB		 4772static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4773{
af325d36 4774#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 4775 return ((uint64_t)word0 << 32) | word1;
4776#else
4777 return ((uint64_t)word1 << 32) | word0;
4778#endif
4779}
992f48a0 4780#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 4781static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4782{
4783 return word0;
4784}
992f48a0 4785#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 4786
4787#ifdef TARGET_NR_truncate64
992f48a0
BS		 4788static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4789 abi_long arg2,
4790 abi_long arg3,
4791 abi_long arg4)
ce4defa0 4792{
48e515d4 4793 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4794 arg2 = arg3;
4795 arg3 = arg4;
48e515d4 4796 }
ce4defa0
PB		 4797 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4798}
4799#endif
4800
4801#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 4802static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4803 abi_long arg2,
4804 abi_long arg3,
4805 abi_long arg4)
ce4defa0 4806{
48e515d4 4807 if (regpairs_aligned(cpu_env)) {
ce4defa0
PB		 4808 arg2 = arg3;
4809 arg3 = arg4;
48e515d4 4810 }
ce4defa0
PB		 4811 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4812}
4813#endif
4814
579a97f7
FB		 4815static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4816 abi_ulong target_addr)
53a5960a
PB		 4817{
4818 struct target_timespec *target_ts;
4819
579a97f7
FB		 4820 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4821 return -TARGET_EFAULT;
cbb21eed
MB		 4822 host_ts->tv_sec = tswapal(target_ts->tv_sec);
4823 host_ts->tv_nsec = tswapal(target_ts->tv_nsec);
53a5960a 4824 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 4825 return 0;
53a5960a
PB		 4826}
4827
579a97f7
FB		 4828static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4829 struct timespec *host_ts)
53a5960a
PB		 4830{
4831 struct target_timespec *target_ts;
4832
579a97f7
FB		 4833 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4834 return -TARGET_EFAULT;
cbb21eed
MB		 4835 target_ts->tv_sec = tswapal(host_ts->tv_sec);
4836 target_ts->tv_nsec = tswapal(host_ts->tv_nsec);
53a5960a 4837 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 4838 return 0;
53a5960a
PB		 4839}
4840
9d33b76b 4841#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 4842static inline abi_long host_to_target_stat64(void *cpu_env,
4843 abi_ulong target_addr,
4844 struct stat *host_st)
4845{
09701199 4846#if defined(TARGET_ARM) && defined(TARGET_ABI32)
6a24a778
AZ		 4847 if (((CPUARMState *)cpu_env)->eabi) {
4848 struct target_eabi_stat64 *target_st;
4849
4850 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4851 return -TARGET_EFAULT;
4852 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4853 __put_user(host_st->st_dev, &target_st->st_dev);
4854 __put_user(host_st->st_ino, &target_st->st_ino);
4855#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4856 __put_user(host_st->st_ino, &target_st->__st_ino);
4857#endif
4858 __put_user(host_st->st_mode, &target_st->st_mode);
4859 __put_user(host_st->st_nlink, &target_st->st_nlink);
4860 __put_user(host_st->st_uid, &target_st->st_uid);
4861 __put_user(host_st->st_gid, &target_st->st_gid);
4862 __put_user(host_st->st_rdev, &target_st->st_rdev);
4863 __put_user(host_st->st_size, &target_st->st_size);
4864 __put_user(host_st->st_blksize, &target_st->st_blksize);
4865 __put_user(host_st->st_blocks, &target_st->st_blocks);
4866 __put_user(host_st->st_atime, &target_st->target_st_atime);
4867 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4868 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4869 unlock_user_struct(target_st, target_addr, 1);
4870 } else
4871#endif
4872 {
ed18c5ce 4873#if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
9d33b76b
AJ		 4874 struct target_stat *target_st;
4875#else
6a24a778 4876 struct target_stat64 *target_st;
9d33b76b 4877#endif
6a24a778
AZ		 4878
4879 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4880 return -TARGET_EFAULT;
9d33b76b 4881 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4882 __put_user(host_st->st_dev, &target_st->st_dev);
4883 __put_user(host_st->st_ino, &target_st->st_ino);
4884#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4885 __put_user(host_st->st_ino, &target_st->__st_ino);
4886#endif
4887 __put_user(host_st->st_mode, &target_st->st_mode);
4888 __put_user(host_st->st_nlink, &target_st->st_nlink);
4889 __put_user(host_st->st_uid, &target_st->st_uid);
4890 __put_user(host_st->st_gid, &target_st->st_gid);
4891 __put_user(host_st->st_rdev, &target_st->st_rdev);
4892 /* XXX: better use of kernel struct */
4893 __put_user(host_st->st_size, &target_st->st_size);
4894 __put_user(host_st->st_blksize, &target_st->st_blksize);
4895 __put_user(host_st->st_blocks, &target_st->st_blocks);
4896 __put_user(host_st->st_atime, &target_st->target_st_atime);
4897 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4898 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4899 unlock_user_struct(target_st, target_addr, 1);
4900 }
4901
4902 return 0;
4903}
4904#endif
4905
bd0c5661
PB		 4906/* ??? Using host futex calls even when target atomic operations
4907 are not really atomic probably breaks things. However implementing
4908 futexes locally would make futexes shared between multiple processes
4909 tricky. However they're probably useless because guest atomic
4910 operations won't work either. */
8fcd3692
BS		 4911static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4912 target_ulong uaddr2, int val3)
bd0c5661
PB		 4913{
4914 struct timespec ts, *pts;
a16aae0c 4915 int base_op;
bd0c5661
PB		 4916
4917 /* ??? We assume FUTEX_* constants are the same on both host
4918 and target. */
a29ccd63 4919#ifdef FUTEX_CMD_MASK
a16aae0c 4920 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4921#else
a16aae0c 4922 base_op = op;
a29ccd63 4923#endif
a16aae0c 4924 switch (base_op) {
bd0c5661 4925 case FUTEX_WAIT:
cce246e0 4926 case FUTEX_WAIT_BITSET:
bd0c5661
PB		 4927 if (timeout) {
4928 pts = &ts;
4929 target_to_host_timespec(pts, timeout);
4930 } else {
4931 pts = NULL;
4932 }
a29ccd63 4933 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
cce246e0 4934 pts, NULL, val3));
bd0c5661 4935 case FUTEX_WAKE:
a29ccd63 4936 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4937 case FUTEX_FD:
a29ccd63 4938 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4939 case FUTEX_REQUEUE:
bd0c5661 4940 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4941 case FUTEX_WAKE_OP:
4942 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4943 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4944 But the prototype takes a `struct timespec *'; insert casts
4945 to satisfy the compiler. We do not need to tswap TIMEOUT
4946 since it's not compared to guest memory. */
4947 pts = (struct timespec *)(uintptr_t) timeout;
4948 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4949 g2h(uaddr2),
4950 (base_op == FUTEX_CMP_REQUEUE
4951 ? tswap32(val3)
4952 : val3)));
bd0c5661
PB		 4953 default:
4954 return -TARGET_ENOSYS;
4955 }
4956}
bd0c5661 4957
1d9d8b55
PB		 4958/* Map host to target signal numbers for the wait family of syscalls.
4959 Assume all other status bits are the same. */
a05c6409 4960int host_to_target_waitstatus(int status)
1d9d8b55
PB		 4961{
4962 if (WIFSIGNALED(status)) {
4963 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4964 }
4965 if (WIFSTOPPED(status)) {
4966 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4967 | (status & 0xff);
4968 }
4969 return status;
4970}
4971
4a24a758
PM		 4972static int relstr_to_int(const char *s)
4973{
4974 /* Convert a uname release string like "2.6.18" to an integer
4975 * of the form 0x020612. (Beware that 0x020612 is *not* 2.6.12.)
4976 */
4977 int i, n, tmp;
4978
4979 tmp = 0;
4980 for (i = 0; i < 3; i++) {
4981 n = 0;
4982 while (*s >= '0' && *s <= '9') {
4983 n *= 10;
4984 n += *s - '0';
4985 s++;
4986 }
4987 tmp = (tmp << 8) + n;
4988 if (*s == '.') {
4989 s++;
4990 }
4991 }
4992 return tmp;
4993}
4994
a745ec6d
PB		 4995int get_osversion(void)
4996{
4997 static int osversion;
4998 struct new_utsname buf;
4999 const char *s;
4a24a758 5000
a745ec6d
PB		 5001 if (osversion)
5002 return osversion;
5003 if (qemu_uname_release && *qemu_uname_release) {
5004 s = qemu_uname_release;
5005 } else {
5006 if (sys_uname(&buf))
5007 return 0;
5008 s = buf.release;
5009 }
4a24a758 5010 osversion = relstr_to_int(s);
a745ec6d
PB		 5011 return osversion;
5012}
5013
4a24a758
PM		 5014void init_qemu_uname_release(void)
5015{
5016 /* Initialize qemu_uname_release for later use.
5017 * If the host kernel is too old and the user hasn't asked for
5018 * a specific fake version number, we might want to fake a minimum
5019 * target kernel version.
5020 */
5021#ifdef UNAME_MINIMUM_RELEASE
5022 struct new_utsname buf;
5023
5024 if (qemu_uname_release && *qemu_uname_release) {
5025 return;
5026 }
5027
5028 if (sys_uname(&buf)) {
5029 return;
5030 }
5031
5032 if (relstr_to_int(buf.release) < relstr_to_int(UNAME_MINIMUM_RELEASE)) {
5033 qemu_uname_release = UNAME_MINIMUM_RELEASE;
5034 }
5035#endif
5036}
36c08d49
AG		 5037
5038static int open_self_maps(void *cpu_env, int fd)
5039{
1a49ef2a 5040#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
9349b4f9 5041 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
1a49ef2a
AG		 5042#endif
5043 FILE *fp;
5044 char *line = NULL;
5045 size_t len = 0;
5046 ssize_t read;
5047
5048 fp = fopen("/proc/self/maps", "r");
5049 if (fp == NULL) {
5050 return -EACCES;
5051 }
36c08d49 5052
1a49ef2a
AG		 5053 while ((read = getline(&line, &len, fp)) != -1) {
5054 int fields, dev_maj, dev_min, inode;
5055 uint64_t min, max, offset;
5056 char flag_r, flag_w, flag_x, flag_p;
5057 char path[512] = "";
5058 fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d"
5059 " %512s", &min, &max, &flag_r, &flag_w, &flag_x,
5060 &flag_p, &offset, &dev_maj, &dev_min, &inode, path);
5061
5062 if ((fields < 10) || (fields > 11)) {
5063 continue;
5064 }
5065 if (!strncmp(path, "[stack]", 7)) {
5066 continue;
5067 }
5068 if (h2g_valid(min) && h2g_valid(max)) {
5069 dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx
e24fed4e 5070 " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n",
1a49ef2a
AG		 5071 h2g(min), h2g(max), flag_r, flag_w,
5072 flag_x, flag_p, offset, dev_maj, dev_min, inode,
e24fed4e 5073 path[0] ? " " : "", path);
1a49ef2a
AG		 5074 }
5075 }
5076
5077 free(line);
5078 fclose(fp);
5079
5080#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
36c08d49
AG		 5081 dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
5082 (unsigned long long)ts->info->stack_limit,
1bdd7c7e
AG		 5083 (unsigned long long)(ts->info->start_stack +
5084 (TARGET_PAGE_SIZE - 1)) & TARGET_PAGE_MASK,
1a49ef2a
AG		 5085 (unsigned long long)0);
5086#endif
36c08d49
AG		 5087
5088 return 0;
5089}
5090
480b8e7d
AG		 5091static int open_self_stat(void *cpu_env, int fd)
5092{
9349b4f9 5093 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
480b8e7d
AG		 5094 abi_ulong start_stack = ts->info->start_stack;
5095 int i;
5096
5097 for (i = 0; i < 44; i++) {
5098 char buf[128];
5099 int len;
5100 uint64_t val = 0;
5101
e0e65bee
FE		 5102 if (i == 0) {
5103 /* pid */
5104 val = getpid();
5105 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5106 } else if (i == 1) {
5107 /* app name */
5108 snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]);
5109 } else if (i == 27) {
5110 /* stack bottom */
5111 val = start_stack;
5112 snprintf(buf, sizeof(buf), "%"PRId64 " ", val);
5113 } else {
5114 /* for the rest, there is MasterCard */
5115 snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' ');
480b8e7d 5116 }
e0e65bee 5117
480b8e7d
AG		 5118 len = strlen(buf);
5119 if (write(fd, buf, len) != len) {
5120 return -1;
5121 }
5122 }
5123
5124 return 0;
5125}
5126
257450ee
AG		 5127static int open_self_auxv(void *cpu_env, int fd)
5128{
9349b4f9 5129 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
257450ee
AG		 5130 abi_ulong auxv = ts->info->saved_auxv;
5131 abi_ulong len = ts->info->auxv_len;
5132 char *ptr;
5133
5134 /*
5135 * Auxiliary vector is stored in target process stack.
5136 * read in whole auxv vector and copy it to file
5137 */
5138 ptr = lock_user(VERIFY_READ, auxv, len, 0);
5139 if (ptr != NULL) {
5140 while (len > 0) {
5141 ssize_t r;
5142 r = write(fd, ptr, len);
5143 if (r <= 0) {
5144 break;
5145 }
5146 len -= r;
5147 ptr += r;
5148 }
5149 lseek(fd, 0, SEEK_SET);
5150 unlock_user(ptr, auxv, len);
5151 }
5152
5153 return 0;
5154}
5155
463d8e73
AS		 5156static int is_proc_myself(const char *filename, const char *entry)
5157{
5158 if (!strncmp(filename, "/proc/", strlen("/proc/"))) {
5159 filename += strlen("/proc/");
5160 if (!strncmp(filename, "self/", strlen("self/"))) {
5161 filename += strlen("self/");
5162 } else if (*filename >= '1' && *filename <= '9') {
5163 char myself[80];
5164 snprintf(myself, sizeof(myself), "%d/", getpid());
5165 if (!strncmp(filename, myself, strlen(myself))) {
5166 filename += strlen(myself);
5167 } else {
5168 return 0;
5169 }
5170 } else {
5171 return 0;
5172 }
5173 if (!strcmp(filename, entry)) {
5174 return 1;
5175 }
5176 }
5177 return 0;
5178}
5179
de6b9933
LV		 5180#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
5181static int is_proc(const char *filename, const char *entry)
5182{
5183 return strcmp(filename, entry) == 0;
5184}
5185
5186static int open_net_route(void *cpu_env, int fd)
5187{
5188 FILE *fp;
5189 char *line = NULL;
5190 size_t len = 0;
5191 ssize_t read;
5192
5193 fp = fopen("/proc/net/route", "r");
5194 if (fp == NULL) {
5195 return -EACCES;
5196 }
5197
5198 /* read header */
5199
5200 read = getline(&line, &len, fp);
5201 dprintf(fd, "%s", line);
5202
5203 /* read routes */
5204
5205 while ((read = getline(&line, &len, fp)) != -1) {
5206 char iface[16];
5207 uint32_t dest, gw, mask;
5208 unsigned int flags, refcnt, use, metric, mtu, window, irtt;
5209 sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
5210 iface, &dest, &gw, &flags, &refcnt, &use, &metric,
5211 &mask, &mtu, &window, &irtt);
5212 dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n",
5213 iface, tswap32(dest), tswap32(gw), flags, refcnt, use,
5214 metric, tswap32(mask), mtu, window, irtt);
5215 }
5216
5217 free(line);
5218 fclose(fp);
5219
5220 return 0;
5221}
5222#endif
5223
3be14d05
AG		 5224static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode)
5225{
5226 struct fake_open {
5227 const char *filename;
5228 int (*fill)(void *cpu_env, int fd);
de6b9933 5229 int (*cmp)(const char *s1, const char *s2);
3be14d05
AG		 5230 };
5231 const struct fake_open *fake_open;
5232 static const struct fake_open fakes[] = {
de6b9933
LV		 5233 { "maps", open_self_maps, is_proc_myself },
5234 { "stat", open_self_stat, is_proc_myself },
5235 { "auxv", open_self_auxv, is_proc_myself },
5236#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
5237 { "/proc/net/route", open_net_route, is_proc },
5238#endif
5239 { NULL, NULL, NULL }
3be14d05
AG		 5240 };
5241
5242 for (fake_open = fakes; fake_open->filename; fake_open++) {
de6b9933 5243 if (fake_open->cmp(pathname, fake_open->filename)) {
3be14d05
AG		 5244 break;
5245 }
5246 }
5247
5248 if (fake_open->filename) {
5249 const char *tmpdir;
5250 char filename[PATH_MAX];
5251 int fd, r;
5252
5253 /* create temporary file to map stat to */
5254 tmpdir = getenv("TMPDIR");
5255 if (!tmpdir)
5256 tmpdir = "/tmp";
5257 snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir);
5258 fd = mkstemp(filename);
5259 if (fd < 0) {
5260 return fd;
5261 }
5262 unlink(filename);
5263
5264 if ((r = fake_open->fill(cpu_env, fd))) {
5265 close(fd);
5266 return r;
5267 }
5268 lseek(fd, 0, SEEK_SET);
5269
5270 return fd;
5271 }
5272
5273 return get_errno(open(path(pathname), flags, mode));
5274}
5275
0da46a6e
TS		 5276/* do_syscall() should always have a single exit point at the end so
5277 that actions, such as logging of syscall results, can be performed.
5278 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 5279abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
5280 abi_long arg2, abi_long arg3, abi_long arg4,
5945cfcb
PM		 5281 abi_long arg5, abi_long arg6, abi_long arg7,
5282 abi_long arg8)
31e31b8a 5283{
182735ef 5284 CPUState *cpu = ENV_GET_CPU(cpu_env);
992f48a0 5285 abi_long ret;
31e31b8a 5286 struct stat st;
56c8f68f 5287 struct statfs stfs;
53a5960a 5288 void *p;
3b46e624 5289
72f03900 5290#ifdef DEBUG
c573ff67 5291 gemu_log("syscall %d", num);
72f03900 5292#endif
b92c47c1
TS		 5293 if(do_strace)
5294 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
5295
31e31b8a
FB		 5296 switch(num) {
5297 case TARGET_NR_exit:
9b056fcc
AF		 5298 /* In old applications this may be used to implement _exit(2).
5299 However in threaded applictions it is used for thread termination,
5300 and _exit_group is used for application termination.
5301 Do thread termination if we have more then one thread. */
5302 /* FIXME: This probably breaks if a signal arrives. We should probably
5303 be disabling signals. */
bdc44640 5304 if (CPU_NEXT(first_cpu)) {
9b056fcc 5305 TaskState *ts;
9b056fcc
AF		 5306
5307 cpu_list_lock();
9b056fcc 5308 /* Remove the CPU from the list. */
bdc44640 5309 QTAILQ_REMOVE(&cpus, cpu, node);
9b056fcc
AF		 5310 cpu_list_unlock();
5311 ts = ((CPUArchState *)cpu_env)->opaque;
5312 if (ts->child_tidptr) {
5313 put_user_u32(0, ts->child_tidptr);
5314 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
5315 NULL, NULL, 0);
5316 }
a2247f8e 5317 thread_cpu = NULL;
9b056fcc
AF		 5318 object_unref(OBJECT(ENV_GET_CPU(cpu_env)));
5319 g_free(ts);
5320 pthread_exit(NULL);
5321 }
9788c9ca 5322#ifdef TARGET_GPROF
7d13299d
FB		 5323 _mcleanup();
5324#endif
e9009676 5325 gdb_exit(cpu_env, arg1);
c2764719 5326 _exit(arg1);
31e31b8a
FB		 5327 ret = 0; /* avoid warning */
5328 break;
5329 case TARGET_NR_read:
38d840e6
AJ		 5330 if (arg3 == 0)
5331 ret = 0;
5332 else {
5333 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5334 goto efault;
5335 ret = get_errno(read(arg1, p, arg3));
5336 unlock_user(p, arg2, ret);
5337 }
31e31b8a
FB		 5338 break;
5339 case TARGET_NR_write:
579a97f7
FB		 5340 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5341 goto efault;
53a5960a
PB		 5342 ret = get_errno(write(arg1, p, arg3));
5343 unlock_user(p, arg2, 0);
31e31b8a
FB		 5344 break;
5345 case TARGET_NR_open:
2f619698
FB		 5346 if (!(p = lock_user_string(arg1)))
5347 goto efault;
3be14d05
AG		 5348 ret = get_errno(do_open(cpu_env, p,
5349 target_to_host_bitmask(arg2, fcntl_flags_tbl),
5350 arg3));
53a5960a 5351 unlock_user(p, arg1, 0);
31e31b8a 5352 break;
82424832
TS		 5353#if defined(TARGET_NR_openat) && defined(__NR_openat)
5354 case TARGET_NR_openat:
579a97f7
FB		 5355 if (!(p = lock_user_string(arg2)))
5356 goto efault;
5357 ret = get_errno(sys_openat(arg1,
5358 path(p),
5359 target_to_host_bitmask(arg3, fcntl_flags_tbl),
5360 arg4));
5361 unlock_user(p, arg2, 0);
82424832
TS		 5362 break;
5363#endif
31e31b8a
FB		 5364 case TARGET_NR_close:
5365 ret = get_errno(close(arg1));
5366 break;
5367 case TARGET_NR_brk:
53a5960a 5368 ret = do_brk(arg1);
31e31b8a
FB		 5369 break;
5370 case TARGET_NR_fork:
d865bab5 5371 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 5372 break;
e5febef5 5373#ifdef TARGET_NR_waitpid
31e31b8a
FB		 5374 case TARGET_NR_waitpid:
5375 {
53a5960a
PB		 5376 int status;
5377 ret = get_errno(waitpid(arg1, &status, arg3));
5379557b 5378 if (!is_error(ret) && arg2 && ret
1d9d8b55 5379 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 5380 goto efault;
31e31b8a
FB		 5381 }
5382 break;
e5febef5 5383#endif
f0cbb613
PB		 5384#ifdef TARGET_NR_waitid
5385 case TARGET_NR_waitid:
5386 {
5387 siginfo_t info;
5388 info.si_pid = 0;
5389 ret = get_errno(waitid(arg1, arg2, &info, arg4));
5390 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 5391 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 5392 goto efault;
5393 host_to_target_siginfo(p, &info);
c227f099 5394 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 5395 }
5396 }
5397 break;
5398#endif
7a3148a9 5399#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 5400 case TARGET_NR_creat:
579a97f7
FB		 5401 if (!(p = lock_user_string(arg1)))
5402 goto efault;
53a5960a
PB		 5403 ret = get_errno(creat(p, arg2));
5404 unlock_user(p, arg1, 0);
31e31b8a 5405 break;
7a3148a9 5406#endif
31e31b8a 5407 case TARGET_NR_link:
53a5960a
PB		 5408 {
5409 void * p2;
5410 p = lock_user_string(arg1);
5411 p2 = lock_user_string(arg2);
579a97f7
FB		 5412 if (!p || !p2)
5413 ret = -TARGET_EFAULT;
5414 else
5415 ret = get_errno(link(p, p2));
53a5960a
PB		 5416 unlock_user(p2, arg2, 0);
5417 unlock_user(p, arg1, 0);
5418 }
31e31b8a 5419 break;
c0d472b1 5420#if defined(TARGET_NR_linkat)
64f0ce4c 5421 case TARGET_NR_linkat:
64f0ce4c
TS		 5422 {
5423 void * p2 = NULL;
579a97f7
FB		 5424 if (!arg2 || !arg4)
5425 goto efault;
64f0ce4c
TS		 5426 p = lock_user_string(arg2);
5427 p2 = lock_user_string(arg4);
579a97f7 5428 if (!p || !p2)
0da46a6e 5429 ret = -TARGET_EFAULT;
64f0ce4c 5430 else
c0d472b1 5431 ret = get_errno(linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 5432 unlock_user(p, arg2, 0);
5433 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 5434 }
5435 break;
5436#endif
31e31b8a 5437 case TARGET_NR_unlink:
579a97f7
FB		 5438 if (!(p = lock_user_string(arg1)))
5439 goto efault;
53a5960a
PB		 5440 ret = get_errno(unlink(p));
5441 unlock_user(p, arg1, 0);
31e31b8a 5442 break;
c0d472b1 5443#if defined(TARGET_NR_unlinkat)
8170f56b 5444 case TARGET_NR_unlinkat:
579a97f7
FB		 5445 if (!(p = lock_user_string(arg2)))
5446 goto efault;
c0d472b1 5447 ret = get_errno(unlinkat(arg1, p, arg3));
579a97f7 5448 unlock_user(p, arg2, 0);
ed494d87 5449 break;
b7d35e65 5450#endif
31e31b8a 5451 case TARGET_NR_execve:
7854b056
FB		 5452 {
5453 char **argp, **envp;
f7341ff4 5454 int argc, envc;
992f48a0
BS		 5455 abi_ulong gp;
5456 abi_ulong guest_argp;
5457 abi_ulong guest_envp;
5458 abi_ulong addr;
7854b056 5459 char **q;
a6f79cc9 5460 int total_size = 0;
7854b056 5461
f7341ff4 5462 argc = 0;
53a5960a 5463 guest_argp = arg2;
da94d263 5464 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5465 if (get_user_ual(addr, gp))
2f619698 5466 goto efault;
03aa1976 5467 if (!addr)
2f619698 5468 break;
7854b056 5469 argc++;
2f619698 5470 }
f7341ff4 5471 envc = 0;
53a5960a 5472 guest_envp = arg3;
da94d263 5473 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 5474 if (get_user_ual(addr, gp))
2f619698 5475 goto efault;
03aa1976 5476 if (!addr)
2f619698 5477 break;
7854b056 5478 envc++;
2f619698 5479 }
7854b056 5480
f7341ff4
FB		 5481 argp = alloca((argc + 1) * sizeof(void *));
5482 envp = alloca((envc + 1) * sizeof(void *));
7854b056 5483
da94d263 5484 for (gp = guest_argp, q = argp; gp;
992f48a0 5485 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5486 if (get_user_ual(addr, gp))
5487 goto execve_efault;
53a5960a
PB		 5488 if (!addr)
5489 break;
2f619698
FB		 5490 if (!(*q = lock_user_string(addr)))
5491 goto execve_efault;
a6f79cc9 5492 total_size += strlen(*q) + 1;
53a5960a 5493 }
f7341ff4
FB		 5494 *q = NULL;
5495
da94d263 5496 for (gp = guest_envp, q = envp; gp;
992f48a0 5497 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5498 if (get_user_ual(addr, gp))
5499 goto execve_efault;
53a5960a
PB		 5500 if (!addr)
5501 break;
2f619698
FB		 5502 if (!(*q = lock_user_string(addr)))
5503 goto execve_efault;
a6f79cc9 5504 total_size += strlen(*q) + 1;
53a5960a 5505 }
f7341ff4 5506 *q = NULL;
7854b056 5507
a6f79cc9
UH		 5508 /* This case will not be caught by the host's execve() if its
5509 page size is bigger than the target's. */
5510 if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) {
5511 ret = -TARGET_E2BIG;
5512 goto execve_end;
5513 }
2f619698
FB		 5514 if (!(p = lock_user_string(arg1)))
5515 goto execve_efault;
53a5960a
PB		 5516 ret = get_errno(execve(p, argp, envp));
5517 unlock_user(p, arg1, 0);
5518
2f619698
FB		 5519 goto execve_end;
5520
5521 execve_efault:
5522 ret = -TARGET_EFAULT;
5523
5524 execve_end:
53a5960a 5525 for (gp = guest_argp, q = argp; *q;
992f48a0 5526 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5527 if (get_user_ual(addr, gp)
5528 || !addr)
5529 break;
53a5960a
PB		 5530 unlock_user(*q, addr, 0);
5531 }
5532 for (gp = guest_envp, q = envp; *q;
992f48a0 5533 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 5534 if (get_user_ual(addr, gp)
5535 || !addr)
5536 break;
53a5960a
PB		 5537 unlock_user(*q, addr, 0);
5538 }
7854b056 5539 }
31e31b8a
FB		 5540 break;
5541 case TARGET_NR_chdir:
579a97f7
FB		 5542 if (!(p = lock_user_string(arg1)))
5543 goto efault;
53a5960a
PB		 5544 ret = get_errno(chdir(p));
5545 unlock_user(p, arg1, 0);
31e31b8a 5546 break;
a315a145 5547#ifdef TARGET_NR_time
31e31b8a
FB		 5548 case TARGET_NR_time:
5549 {
53a5960a
PB		 5550 time_t host_time;
5551 ret = get_errno(time(&host_time));
2f619698
FB		 5552 if (!is_error(ret)
5553 && arg1
5554 && put_user_sal(host_time, arg1))
5555 goto efault;
31e31b8a
FB		 5556 }
5557 break;
a315a145 5558#endif
31e31b8a 5559 case TARGET_NR_mknod:
579a97f7
FB		 5560 if (!(p = lock_user_string(arg1)))
5561 goto efault;
53a5960a
PB		 5562 ret = get_errno(mknod(p, arg2, arg3));
5563 unlock_user(p, arg1, 0);
31e31b8a 5564 break;
c0d472b1 5565#if defined(TARGET_NR_mknodat)
75ac37a0 5566 case TARGET_NR_mknodat:
579a97f7
FB		 5567 if (!(p = lock_user_string(arg2)))
5568 goto efault;
c0d472b1 5569 ret = get_errno(mknodat(arg1, p, arg3, arg4));
579a97f7 5570 unlock_user(p, arg2, 0);
75ac37a0
TS		 5571 break;
5572#endif
31e31b8a 5573 case TARGET_NR_chmod:
579a97f7
FB		 5574 if (!(p = lock_user_string(arg1)))
5575 goto efault;
53a5960a
PB		 5576 ret = get_errno(chmod(p, arg2));
5577 unlock_user(p, arg1, 0);
31e31b8a 5578 break;
ebc05488 5579#ifdef TARGET_NR_break
31e31b8a
FB		 5580 case TARGET_NR_break:
5581 goto unimplemented;
ebc05488
FB		 5582#endif
5583#ifdef TARGET_NR_oldstat
31e31b8a
FB		 5584 case TARGET_NR_oldstat:
5585 goto unimplemented;
ebc05488 5586#endif
31e31b8a
FB		 5587 case TARGET_NR_lseek:
5588 ret = get_errno(lseek(arg1, arg2, arg3));
5589 break;
9231733a
RH		 5590#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5591 /* Alpha specific */
7a3148a9 5592 case TARGET_NR_getxpid:
9231733a
RH		 5593 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
5594 ret = get_errno(getpid());
5595 break;
7a3148a9 5596#endif
9231733a
RH		 5597#ifdef TARGET_NR_getpid
5598 case TARGET_NR_getpid:
31e31b8a
FB		 5599 ret = get_errno(getpid());
5600 break;
9231733a 5601#endif
31e31b8a 5602 case TARGET_NR_mount:
80265918
TS		 5603 {
5604 /* need to look at the data field */
5605 void *p2, *p3;
5606 p = lock_user_string(arg1);
5607 p2 = lock_user_string(arg2);
5608 p3 = lock_user_string(arg3);
579a97f7
FB		 5609 if (!p || !p2 || !p3)
5610 ret = -TARGET_EFAULT;
dab46405 5611 else {
579a97f7
FB		 5612 /* FIXME - arg5 should be locked, but it isn't clear how to
5613 * do that since it's not guaranteed to be a NULL-terminated
5614 * string.
5615 */
dab46405
JSM		 5616 if ( ! arg5 )
5617 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
5618 else
5619 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
5620 }
579a97f7
FB		 5621 unlock_user(p, arg1, 0);
5622 unlock_user(p2, arg2, 0);
5623 unlock_user(p3, arg3, 0);
80265918
TS		 5624 break;
5625 }
e5febef5 5626#ifdef TARGET_NR_umount
31e31b8a 5627 case TARGET_NR_umount:
579a97f7
FB		 5628 if (!(p = lock_user_string(arg1)))
5629 goto efault;
53a5960a
PB		 5630 ret = get_errno(umount(p));
5631 unlock_user(p, arg1, 0);
31e31b8a 5632 break;
e5febef5 5633#endif
7a3148a9 5634#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 5635 case TARGET_NR_stime:
5636 {
53a5960a 5637 time_t host_time;
2f619698
FB		 5638 if (get_user_sal(host_time, arg1))
5639 goto efault;
53a5960a 5640 ret = get_errno(stime(&host_time));
31e31b8a
FB		 5641 }
5642 break;
7a3148a9 5643#endif
31e31b8a
FB		 5644 case TARGET_NR_ptrace:
5645 goto unimplemented;
7a3148a9 5646#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 5647 case TARGET_NR_alarm:
5648 ret = alarm(arg1);
5649 break;
7a3148a9 5650#endif
ebc05488 5651#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 5652 case TARGET_NR_oldfstat:
5653 goto unimplemented;
ebc05488 5654#endif
7a3148a9 5655#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 5656 case TARGET_NR_pause:
5657 ret = get_errno(pause());
5658 break;
7a3148a9 5659#endif
e5febef5 5660#ifdef TARGET_NR_utime
31e31b8a 5661 case TARGET_NR_utime:
ebc05488 5662 {
53a5960a
PB		 5663 struct utimbuf tbuf, *host_tbuf;
5664 struct target_utimbuf *target_tbuf;
5665 if (arg2) {
579a97f7
FB		 5666 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
5667 goto efault;
cbb21eed
MB		 5668 tbuf.actime = tswapal(target_tbuf->actime);
5669 tbuf.modtime = tswapal(target_tbuf->modtime);
53a5960a
PB		 5670 unlock_user_struct(target_tbuf, arg2, 0);
5671 host_tbuf = &tbuf;
f72e8ff4 5672 } else {
53a5960a 5673 host_tbuf = NULL;
f72e8ff4 5674 }
579a97f7
FB		 5675 if (!(p = lock_user_string(arg1)))
5676 goto efault;
53a5960a
PB		 5677 ret = get_errno(utime(p, host_tbuf));
5678 unlock_user(p, arg1, 0);
ebc05488
FB		 5679 }
5680 break;
e5febef5 5681#endif
978a66ff
FB		 5682 case TARGET_NR_utimes:
5683 {
978a66ff 5684 struct timeval *tvp, tv[2];
53a5960a 5685 if (arg2) {
788f5ec4
TS		 5686 if (copy_from_user_timeval(&tv[0], arg2)
5687 || copy_from_user_timeval(&tv[1],
5688 arg2 + sizeof(struct target_timeval)))
5689 goto efault;
978a66ff
FB		 5690 tvp = tv;
5691 } else {
5692 tvp = NULL;
5693 }
579a97f7
FB		 5694 if (!(p = lock_user_string(arg1)))
5695 goto efault;
53a5960a
PB		 5696 ret = get_errno(utimes(p, tvp));
5697 unlock_user(p, arg1, 0);
978a66ff
FB		 5698 }
5699 break;
c0d472b1 5700#if defined(TARGET_NR_futimesat)
ac8a6556
AZ		 5701 case TARGET_NR_futimesat:
5702 {
5703 struct timeval *tvp, tv[2];
5704 if (arg3) {
5705 if (copy_from_user_timeval(&tv[0], arg3)
5706 || copy_from_user_timeval(&tv[1],
5707 arg3 + sizeof(struct target_timeval)))
5708 goto efault;
5709 tvp = tv;
5710 } else {
5711 tvp = NULL;
5712 }
5713 if (!(p = lock_user_string(arg2)))
5714 goto efault;
c0d472b1 5715 ret = get_errno(futimesat(arg1, path(p), tvp));
ac8a6556
AZ		 5716 unlock_user(p, arg2, 0);
5717 }
5718 break;
5719#endif
ebc05488 5720#ifdef TARGET_NR_stty
31e31b8a
FB		 5721 case TARGET_NR_stty:
5722 goto unimplemented;
ebc05488
FB		 5723#endif
5724#ifdef TARGET_NR_gtty
31e31b8a
FB		 5725 case TARGET_NR_gtty:
5726 goto unimplemented;
ebc05488 5727#endif
31e31b8a 5728 case TARGET_NR_access:
579a97f7
FB		 5729 if (!(p = lock_user_string(arg1)))
5730 goto efault;
719f908e 5731 ret = get_errno(access(path(p), arg2));
53a5960a 5732 unlock_user(p, arg1, 0);
31e31b8a 5733 break;
92a34c10
TS		 5734#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5735 case TARGET_NR_faccessat:
579a97f7
FB		 5736 if (!(p = lock_user_string(arg2)))
5737 goto efault;
c0d472b1 5738 ret = get_errno(faccessat(arg1, p, arg3, 0));
579a97f7 5739 unlock_user(p, arg2, 0);
92a34c10
TS		 5740 break;
5741#endif
7a3148a9 5742#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 5743 case TARGET_NR_nice:
5744 ret = get_errno(nice(arg1));
5745 break;
7a3148a9 5746#endif
ebc05488 5747#ifdef TARGET_NR_ftime
31e31b8a
FB		 5748 case TARGET_NR_ftime:
5749 goto unimplemented;
ebc05488 5750#endif
31e31b8a 5751 case TARGET_NR_sync:
04369ff2
FB		 5752 sync();
5753 ret = 0;
31e31b8a
FB		 5754 break;
5755 case TARGET_NR_kill:
4cb05961 5756 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 5757 break;
5758 case TARGET_NR_rename:
53a5960a
PB		 5759 {
5760 void *p2;
5761 p = lock_user_string(arg1);
5762 p2 = lock_user_string(arg2);
579a97f7
FB		 5763 if (!p || !p2)
5764 ret = -TARGET_EFAULT;
5765 else
5766 ret = get_errno(rename(p, p2));
53a5960a
PB		 5767 unlock_user(p2, arg2, 0);
5768 unlock_user(p, arg1, 0);
5769 }
31e31b8a 5770 break;
c0d472b1 5771#if defined(TARGET_NR_renameat)
722183f6 5772 case TARGET_NR_renameat:
722183f6 5773 {
579a97f7 5774 void *p2;
722183f6
TS		 5775 p = lock_user_string(arg2);
5776 p2 = lock_user_string(arg4);
579a97f7 5777 if (!p || !p2)
0da46a6e 5778 ret = -TARGET_EFAULT;
722183f6 5779 else
c0d472b1 5780 ret = get_errno(renameat(arg1, p, arg3, p2));
579a97f7
FB		 5781 unlock_user(p2, arg4, 0);
5782 unlock_user(p, arg2, 0);
722183f6
TS		 5783 }
5784 break;
5785#endif
31e31b8a 5786 case TARGET_NR_mkdir:
579a97f7
FB		 5787 if (!(p = lock_user_string(arg1)))
5788 goto efault;
53a5960a
PB		 5789 ret = get_errno(mkdir(p, arg2));
5790 unlock_user(p, arg1, 0);
31e31b8a 5791 break;
c0d472b1 5792#if defined(TARGET_NR_mkdirat)
4472ad0d 5793 case TARGET_NR_mkdirat:
579a97f7
FB		 5794 if (!(p = lock_user_string(arg2)))
5795 goto efault;
c0d472b1 5796 ret = get_errno(mkdirat(arg1, p, arg3));
579a97f7 5797 unlock_user(p, arg2, 0);
4472ad0d
TS		 5798 break;
5799#endif
31e31b8a 5800 case TARGET_NR_rmdir:
579a97f7
FB		 5801 if (!(p = lock_user_string(arg1)))
5802 goto efault;
53a5960a
PB		 5803 ret = get_errno(rmdir(p));
5804 unlock_user(p, arg1, 0);
31e31b8a
FB		 5805 break;
5806 case TARGET_NR_dup:
5807 ret = get_errno(dup(arg1));
5808 break;
5809 case TARGET_NR_pipe:
fb41a66e 5810 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f
RV		 5811 break;
5812#ifdef TARGET_NR_pipe2
5813 case TARGET_NR_pipe2:
e7ea6cbe
RH		 5814 ret = do_pipe(cpu_env, arg1,
5815 target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
31e31b8a 5816 break;
099d6b0f 5817#endif
31e31b8a 5818 case TARGET_NR_times:
32f36bce 5819 {
53a5960a 5820 struct target_tms *tmsp;
32f36bce
FB		 5821 struct tms tms;
5822 ret = get_errno(times(&tms));
53a5960a 5823 if (arg1) {
579a97f7
FB		 5824 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
5825 if (!tmsp)
5826 goto efault;
cbb21eed
MB		 5827 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
5828 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
5829 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
5830 tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime));
32f36bce 5831 }
c596ed17
FB		 5832 if (!is_error(ret))
5833 ret = host_to_target_clock_t(ret);
32f36bce
FB		 5834 }
5835 break;
ebc05488 5836#ifdef TARGET_NR_prof
31e31b8a
FB		 5837 case TARGET_NR_prof:
5838 goto unimplemented;
ebc05488 5839#endif
e5febef5 5840#ifdef TARGET_NR_signal
31e31b8a
FB		 5841 case TARGET_NR_signal:
5842 goto unimplemented;
e5febef5 5843#endif
31e31b8a 5844 case TARGET_NR_acct:
38d840e6
AJ		 5845 if (arg1 == 0) {
5846 ret = get_errno(acct(NULL));
5847 } else {
5848 if (!(p = lock_user_string(arg1)))
5849 goto efault;
5850 ret = get_errno(acct(path(p)));
5851 unlock_user(p, arg1, 0);
5852 }
24836689 5853 break;
8070e7be 5854#ifdef TARGET_NR_umount2
31e31b8a 5855 case TARGET_NR_umount2:
579a97f7
FB		 5856 if (!(p = lock_user_string(arg1)))
5857 goto efault;
53a5960a
PB		 5858 ret = get_errno(umount2(p, arg2));
5859 unlock_user(p, arg1, 0);
31e31b8a 5860 break;
7a3148a9 5861#endif
ebc05488 5862#ifdef TARGET_NR_lock
31e31b8a
FB		 5863 case TARGET_NR_lock:
5864 goto unimplemented;
ebc05488 5865#endif
31e31b8a
FB		 5866 case TARGET_NR_ioctl:
5867 ret = do_ioctl(arg1, arg2, arg3);
5868 break;
5869 case TARGET_NR_fcntl:
9ee1fa2c 5870 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 5871 break;
ebc05488 5872#ifdef TARGET_NR_mpx
31e31b8a
FB		 5873 case TARGET_NR_mpx:
5874 goto unimplemented;
ebc05488 5875#endif
31e31b8a
FB		 5876 case TARGET_NR_setpgid:
5877 ret = get_errno(setpgid(arg1, arg2));
5878 break;
ebc05488 5879#ifdef TARGET_NR_ulimit
31e31b8a
FB		 5880 case TARGET_NR_ulimit:
5881 goto unimplemented;
ebc05488
FB		 5882#endif
5883#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 5884 case TARGET_NR_oldolduname:
5885 goto unimplemented;
ebc05488 5886#endif
31e31b8a
FB		 5887 case TARGET_NR_umask:
5888 ret = get_errno(umask(arg1));
5889 break;
5890 case TARGET_NR_chroot:
579a97f7
FB		 5891 if (!(p = lock_user_string(arg1)))
5892 goto efault;
53a5960a
PB		 5893 ret = get_errno(chroot(p));
5894 unlock_user(p, arg1, 0);
31e31b8a
FB		 5895 break;
5896 case TARGET_NR_ustat:
5897 goto unimplemented;
5898 case TARGET_NR_dup2:
5899 ret = get_errno(dup2(arg1, arg2));
5900 break;
d0927938
UH		 5901#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5902 case TARGET_NR_dup3:
5903 ret = get_errno(dup3(arg1, arg2, arg3));
5904 break;
5905#endif
7a3148a9 5906#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 5907 case TARGET_NR_getppid:
5908 ret = get_errno(getppid());
5909 break;
7a3148a9 5910#endif
31e31b8a
FB		 5911 case TARGET_NR_getpgrp:
5912 ret = get_errno(getpgrp());
5913 break;
5914 case TARGET_NR_setsid:
5915 ret = get_errno(setsid());
5916 break;
e5febef5 5917#ifdef TARGET_NR_sigaction
31e31b8a 5918 case TARGET_NR_sigaction:
31e31b8a 5919 {
6049f4f8
RH		 5920#if defined(TARGET_ALPHA)
5921 struct target_sigaction act, oact, *pact = 0;
53a5960a 5922 struct target_old_sigaction *old_act;
53a5960a 5923 if (arg2) {
579a97f7
FB		 5924 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5925 goto efault;
66fb9763
FB		 5926 act._sa_handler = old_act->_sa_handler;
5927 target_siginitset(&act.sa_mask, old_act->sa_mask);
5928 act.sa_flags = old_act->sa_flags;
6049f4f8 5929 act.sa_restorer = 0;
53a5960a 5930 unlock_user_struct(old_act, arg2, 0);
66fb9763 5931 pact = &act;
66fb9763
FB		 5932 }
5933 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 5934 if (!is_error(ret) && arg3) {
579a97f7
FB		 5935 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5936 goto efault;
53a5960a
PB		 5937 old_act->_sa_handler = oact._sa_handler;
5938 old_act->sa_mask = oact.sa_mask.sig[0];
5939 old_act->sa_flags = oact.sa_flags;
53a5960a 5940 unlock_user_struct(old_act, arg3, 1);
66fb9763 5941 }
6049f4f8 5942#elif defined(TARGET_MIPS)
106ec879
FB		 5943 struct target_sigaction act, oact, *pact, *old_act;
5944
5945 if (arg2) {
579a97f7
FB		 5946 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5947 goto efault;
106ec879
FB		 5948 act._sa_handler = old_act->_sa_handler;
5949 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
5950 act.sa_flags = old_act->sa_flags;
5951 unlock_user_struct(old_act, arg2, 0);
5952 pact = &act;
5953 } else {
5954 pact = NULL;
5955 }
5956
5957 ret = get_errno(do_sigaction(arg1, pact, &oact));
5958
5959 if (!is_error(ret) && arg3) {
579a97f7
FB		 5960 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5961 goto efault;
106ec879
FB		 5962 old_act->_sa_handler = oact._sa_handler;
5963 old_act->sa_flags = oact.sa_flags;
5964 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
5965 old_act->sa_mask.sig[1] = 0;
5966 old_act->sa_mask.sig[2] = 0;
5967 old_act->sa_mask.sig[3] = 0;
5968 unlock_user_struct(old_act, arg3, 1);
5969 }
6049f4f8
RH		 5970#else
5971 struct target_old_sigaction *old_act;
5972 struct target_sigaction act, oact, *pact;
5973 if (arg2) {
5974 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
5975 goto efault;
5976 act._sa_handler = old_act->_sa_handler;
5977 target_siginitset(&act.sa_mask, old_act->sa_mask);
5978 act.sa_flags = old_act->sa_flags;
5979 act.sa_restorer = old_act->sa_restorer;
5980 unlock_user_struct(old_act, arg2, 0);
5981 pact = &act;
5982 } else {
5983 pact = NULL;
5984 }
5985 ret = get_errno(do_sigaction(arg1, pact, &oact));
5986 if (!is_error(ret) && arg3) {
5987 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
5988 goto efault;
5989 old_act->_sa_handler = oact._sa_handler;
5990 old_act->sa_mask = oact.sa_mask.sig[0];
5991 old_act->sa_flags = oact.sa_flags;
5992 old_act->sa_restorer = oact.sa_restorer;
5993 unlock_user_struct(old_act, arg3, 1);
5994 }
388bb21a 5995#endif
31e31b8a
FB		 5996 }
5997 break;
e5febef5 5998#endif
66fb9763 5999 case TARGET_NR_rt_sigaction:
53a5960a 6000 {
6049f4f8
RH		 6001#if defined(TARGET_ALPHA)
6002 struct target_sigaction act, oact, *pact = 0;
6003 struct target_rt_sigaction *rt_act;
6004 /* ??? arg4 == sizeof(sigset_t). */
6005 if (arg2) {
6006 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
6007 goto efault;
6008 act._sa_handler = rt_act->_sa_handler;
6009 act.sa_mask = rt_act->sa_mask;
6010 act.sa_flags = rt_act->sa_flags;
6011 act.sa_restorer = arg5;
6012 unlock_user_struct(rt_act, arg2, 0);
6013 pact = &act;
6014 }
6015 ret = get_errno(do_sigaction(arg1, pact, &oact));
6016 if (!is_error(ret) && arg3) {
6017 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
6018 goto efault;
6019 rt_act->_sa_handler = oact._sa_handler;
6020 rt_act->sa_mask = oact.sa_mask;
6021 rt_act->sa_flags = oact.sa_flags;
6022 unlock_user_struct(rt_act, arg3, 1);
6023 }
6024#else
53a5960a
PB		 6025 struct target_sigaction *act;
6026 struct target_sigaction *oact;
6027
579a97f7
FB		 6028 if (arg2) {
6029 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
6030 goto efault;
6031 } else
53a5960a 6032 act = NULL;
579a97f7
FB		 6033 if (arg3) {
6034 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
6035 ret = -TARGET_EFAULT;
6036 goto rt_sigaction_fail;
6037 }
6038 } else
53a5960a
PB		 6039 oact = NULL;
6040 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 6041 rt_sigaction_fail:
6042 if (act)
53a5960a 6043 unlock_user_struct(act, arg2, 0);
579a97f7 6044 if (oact)
53a5960a 6045 unlock_user_struct(oact, arg3, 1);
6049f4f8 6046#endif
53a5960a 6047 }
66fb9763 6048 break;
7a3148a9 6049#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 6050 case TARGET_NR_sgetmask:
66fb9763
FB		 6051 {
6052 sigset_t cur_set;
992f48a0 6053 abi_ulong target_set;
66fb9763
FB		 6054 sigprocmask(0, NULL, &cur_set);
6055 host_to_target_old_sigset(&target_set, &cur_set);
6056 ret = target_set;
6057 }
6058 break;
7a3148a9
JM		 6059#endif
6060#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 6061 case TARGET_NR_ssetmask:
66fb9763
FB		 6062 {
6063 sigset_t set, oset, cur_set;
992f48a0 6064 abi_ulong target_set = arg1;
66fb9763
FB		 6065 sigprocmask(0, NULL, &cur_set);
6066 target_to_host_old_sigset(&set, &target_set);
6067 sigorset(&set, &set, &cur_set);
6068 sigprocmask(SIG_SETMASK, &set, &oset);
6069 host_to_target_old_sigset(&target_set, &oset);
6070 ret = target_set;
6071 }
6072 break;
7a3148a9 6073#endif
e5febef5 6074#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 6075 case TARGET_NR_sigprocmask:
6076 {
a5b3b13b
RH		 6077#if defined(TARGET_ALPHA)
6078 sigset_t set, oldset;
6079 abi_ulong mask;
6080 int how;
6081
6082 switch (arg1) {
6083 case TARGET_SIG_BLOCK:
6084 how = SIG_BLOCK;
6085 break;
6086 case TARGET_SIG_UNBLOCK:
6087 how = SIG_UNBLOCK;
6088 break;
6089 case TARGET_SIG_SETMASK:
6090 how = SIG_SETMASK;
6091 break;
6092 default:
6093 ret = -TARGET_EINVAL;
6094 goto fail;
6095 }
6096 mask = arg2;
6097 target_to_host_old_sigset(&set, &mask);
6098
6099 ret = get_errno(sigprocmask(how, &set, &oldset));
a5b3b13b
RH		 6100 if (!is_error(ret)) {
6101 host_to_target_old_sigset(&mask, &oldset);
6102 ret = mask;
0229f5a3 6103 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */
a5b3b13b
RH		 6104 }
6105#else
66fb9763 6106 sigset_t set, oldset, *set_ptr;
a5b3b13b 6107 int how;
3b46e624 6108
53a5960a 6109 if (arg2) {
a5b3b13b 6110 switch (arg1) {
66fb9763
FB		 6111 case TARGET_SIG_BLOCK:
6112 how = SIG_BLOCK;
6113 break;
6114 case TARGET_SIG_UNBLOCK:
6115 how = SIG_UNBLOCK;
6116 break;
6117 case TARGET_SIG_SETMASK:
6118 how = SIG_SETMASK;
6119 break;
6120 default:
0da46a6e 6121 ret = -TARGET_EINVAL;
66fb9763
FB		 6122 goto fail;
6123 }
c227f099 6124 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 6125 goto efault;
53a5960a
PB		 6126 target_to_host_old_sigset(&set, p);
6127 unlock_user(p, arg2, 0);
66fb9763
FB		 6128 set_ptr = &set;
6129 } else {
6130 how = 0;
6131 set_ptr = NULL;
6132 }
a5b3b13b 6133 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 6134 if (!is_error(ret) && arg3) {
c227f099 6135 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6136 goto efault;
53a5960a 6137 host_to_target_old_sigset(p, &oldset);
c227f099 6138 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 6139 }
a5b3b13b 6140#endif
66fb9763
FB		 6141 }
6142 break;
e5febef5 6143#endif
66fb9763
FB		 6144 case TARGET_NR_rt_sigprocmask:
6145 {
6146 int how = arg1;
6147 sigset_t set, oldset, *set_ptr;
3b46e624 6148
53a5960a 6149 if (arg2) {
66fb9763
FB		 6150 switch(how) {
6151 case TARGET_SIG_BLOCK:
6152 how = SIG_BLOCK;
6153 break;
6154 case TARGET_SIG_UNBLOCK:
6155 how = SIG_UNBLOCK;
6156 break;
6157 case TARGET_SIG_SETMASK:
6158 how = SIG_SETMASK;
6159 break;
6160 default:
0da46a6e 6161 ret = -TARGET_EINVAL;
66fb9763
FB		 6162 goto fail;
6163 }
c227f099 6164 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 6165 goto efault;
53a5960a
PB		 6166 target_to_host_sigset(&set, p);
6167 unlock_user(p, arg2, 0);
66fb9763
FB		 6168 set_ptr = &set;
6169 } else {
6170 how = 0;
6171 set_ptr = NULL;
6172 }
6173 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 6174 if (!is_error(ret) && arg3) {
c227f099 6175 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 6176 goto efault;
53a5960a 6177 host_to_target_sigset(p, &oldset);
c227f099 6178 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 6179 }
6180 }
6181 break;
e5febef5 6182#ifdef TARGET_NR_sigpending
66fb9763
FB		 6183 case TARGET_NR_sigpending:
6184 {
6185 sigset_t set;
6186 ret = get_errno(sigpending(&set));
6187 if (!is_error(ret)) {
c227f099 6188 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6189 goto efault;
53a5960a 6190 host_to_target_old_sigset(p, &set);
c227f099 6191 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6192 }
6193 }
6194 break;
e5febef5 6195#endif
66fb9763
FB		 6196 case TARGET_NR_rt_sigpending:
6197 {
6198 sigset_t set;
6199 ret = get_errno(sigpending(&set));
6200 if (!is_error(ret)) {
c227f099 6201 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 6202 goto efault;
53a5960a 6203 host_to_target_sigset(p, &set);
c227f099 6204 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 6205 }
6206 }
6207 break;
e5febef5 6208#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 6209 case TARGET_NR_sigsuspend:
6210 {
6211 sigset_t set;
f43ce12b
RH		 6212#if defined(TARGET_ALPHA)
6213 abi_ulong mask = arg1;
6214 target_to_host_old_sigset(&set, &mask);
6215#else
c227f099 6216 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6217 goto efault;
53a5960a
PB		 6218 target_to_host_old_sigset(&set, p);
6219 unlock_user(p, arg1, 0);
f43ce12b 6220#endif
66fb9763
FB		 6221 ret = get_errno(sigsuspend(&set));
6222 }
6223 break;
e5febef5 6224#endif
66fb9763
FB		 6225 case TARGET_NR_rt_sigsuspend:
6226 {
6227 sigset_t set;
c227f099 6228 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6229 goto efault;
53a5960a
PB		 6230 target_to_host_sigset(&set, p);
6231 unlock_user(p, arg1, 0);
66fb9763
FB		 6232 ret = get_errno(sigsuspend(&set));
6233 }
6234 break;
6235 case TARGET_NR_rt_sigtimedwait:
6236 {
66fb9763
FB		 6237 sigset_t set;
6238 struct timespec uts, *puts;
6239 siginfo_t uinfo;
3b46e624 6240
c227f099 6241 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 6242 goto efault;
53a5960a
PB		 6243 target_to_host_sigset(&set, p);
6244 unlock_user(p, arg1, 0);
6245 if (arg3) {
66fb9763 6246 puts = &uts;
53a5960a 6247 target_to_host_timespec(puts, arg3);
66fb9763
FB		 6248 } else {
6249 puts = NULL;
6250 }
6251 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 6252 if (!is_error(ret) && arg2) {
c227f099 6253 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 6254 goto efault;
53a5960a 6255 host_to_target_siginfo(p, &uinfo);
c227f099 6256 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 6257 }
6258 }
6259 break;
6260 case TARGET_NR_rt_sigqueueinfo:
6261 {
6262 siginfo_t uinfo;
c227f099 6263 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 6264 goto efault;
53a5960a
PB		 6265 target_to_host_siginfo(&uinfo, p);
6266 unlock_user(p, arg1, 0);
66fb9763
FB		 6267 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
6268 }
6269 break;
e5febef5 6270#ifdef TARGET_NR_sigreturn
66fb9763
FB		 6271 case TARGET_NR_sigreturn:
6272 /* NOTE: ret is eax, so not transcoding must be done */
6273 ret = do_sigreturn(cpu_env);
6274 break;
e5febef5 6275#endif
66fb9763
FB		 6276 case TARGET_NR_rt_sigreturn:
6277 /* NOTE: ret is eax, so not transcoding must be done */
6278 ret = do_rt_sigreturn(cpu_env);
6279 break;
31e31b8a 6280 case TARGET_NR_sethostname:
579a97f7
FB		 6281 if (!(p = lock_user_string(arg1)))
6282 goto efault;
53a5960a
PB		 6283 ret = get_errno(sethostname(p, arg2));
6284 unlock_user(p, arg1, 0);
31e31b8a
FB		 6285 break;
6286 case TARGET_NR_setrlimit:
9de5e440 6287 {
e22b7015 6288 int resource = target_to_host_resource(arg1);
53a5960a 6289 struct target_rlimit *target_rlim;
9de5e440 6290 struct rlimit rlim;
579a97f7
FB		 6291 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
6292 goto efault;
81bbe906
TY		 6293 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
6294 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 6295 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 6296 ret = get_errno(setrlimit(resource, &rlim));
6297 }
6298 break;
31e31b8a 6299 case TARGET_NR_getrlimit:
9de5e440 6300 {
e22b7015 6301 int resource = target_to_host_resource(arg1);
53a5960a 6302 struct target_rlimit *target_rlim;
9de5e440 6303 struct rlimit rlim;
3b46e624 6304
9de5e440
FB		 6305 ret = get_errno(getrlimit(resource, &rlim));
6306 if (!is_error(ret)) {
579a97f7
FB		 6307 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6308 goto efault;
81bbe906
TY		 6309 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6310 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 6311 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 6312 }
6313 }
6314 break;
31e31b8a 6315 case TARGET_NR_getrusage:
b409186b
FB		 6316 {
6317 struct rusage rusage;
b409186b
FB		 6318 ret = get_errno(getrusage(arg1, &rusage));
6319 if (!is_error(ret)) {
53a5960a 6320 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 6321 }
6322 }
6323 break;
31e31b8a
FB		 6324 case TARGET_NR_gettimeofday:
6325 {
31e31b8a
FB		 6326 struct timeval tv;
6327 ret = get_errno(gettimeofday(&tv, NULL));
6328 if (!is_error(ret)) {
788f5ec4
TS		 6329 if (copy_to_user_timeval(arg1, &tv))
6330 goto efault;
31e31b8a
FB		 6331 }
6332 }
6333 break;
6334 case TARGET_NR_settimeofday:
6335 {
31e31b8a 6336 struct timeval tv;
788f5ec4
TS		 6337 if (copy_from_user_timeval(&tv, arg1))
6338 goto efault;
31e31b8a
FB		 6339 ret = get_errno(settimeofday(&tv, NULL));
6340 }
6341 break;
9468a5d4 6342#if defined(TARGET_NR_select)
31e31b8a 6343 case TARGET_NR_select:
9468a5d4
LV		 6344#if defined(TARGET_S390X) || defined(TARGET_ALPHA)
6345 ret = do_select(arg1, arg2, arg3, arg4, arg5);
6346#else
f2674e31 6347 {
53a5960a 6348 struct target_sel_arg_struct *sel;
992f48a0 6349 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 6350 long nsel;
6351
579a97f7
FB		 6352 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
6353 goto efault;
cbb21eed
MB		 6354 nsel = tswapal(sel->n);
6355 inp = tswapal(sel->inp);
6356 outp = tswapal(sel->outp);
6357 exp = tswapal(sel->exp);
6358 tvp = tswapal(sel->tvp);
53a5960a
PB		 6359 unlock_user_struct(sel, arg1, 0);
6360 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31 6361 }
9468a5d4 6362#endif
f2674e31 6363 break;
9e42382f
RV		 6364#endif
6365#ifdef TARGET_NR_pselect6
6366 case TARGET_NR_pselect6:
055e0906
MF		 6367 {
6368 abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr;
6369 fd_set rfds, wfds, efds;
6370 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
6371 struct timespec ts, *ts_ptr;
6372
6373 /*
6374 * The 6th arg is actually two args smashed together,
6375 * so we cannot use the C library.
6376 */
6377 sigset_t set;
6378 struct {
6379 sigset_t *set;
6380 size_t size;
6381 } sig, *sig_ptr;
6382
6383 abi_ulong arg_sigset, arg_sigsize, *arg7;
6384 target_sigset_t *target_sigset;
6385
6386 n = arg1;
6387 rfd_addr = arg2;
6388 wfd_addr = arg3;
6389 efd_addr = arg4;
6390 ts_addr = arg5;
6391
6392 ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n);
6393 if (ret) {
6394 goto fail;
6395 }
6396 ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n);
6397 if (ret) {
6398 goto fail;
6399 }
6400 ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n);
6401 if (ret) {
6402 goto fail;
6403 }
6404
6405 /*
6406 * This takes a timespec, and not a timeval, so we cannot
6407 * use the do_select() helper ...
6408 */
6409 if (ts_addr) {
6410 if (target_to_host_timespec(&ts, ts_addr)) {
6411 goto efault;
6412 }
6413 ts_ptr = &ts;
6414 } else {
6415 ts_ptr = NULL;
6416 }
6417
6418 /* Extract the two packed args for the sigset */
6419 if (arg6) {
6420 sig_ptr = &sig;
6421 sig.size = _NSIG / 8;
6422
6423 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
6424 if (!arg7) {
6425 goto efault;
6426 }
cbb21eed
MB		 6427 arg_sigset = tswapal(arg7[0]);
6428 arg_sigsize = tswapal(arg7[1]);
055e0906
MF		 6429 unlock_user(arg7, arg6, 0);
6430
6431 if (arg_sigset) {
6432 sig.set = &set;
8f04eeb3
PM		 6433 if (arg_sigsize != sizeof(*target_sigset)) {
6434 /* Like the kernel, we enforce correct size sigsets */
6435 ret = -TARGET_EINVAL;
6436 goto fail;
6437 }
055e0906
MF		 6438 target_sigset = lock_user(VERIFY_READ, arg_sigset,
6439 sizeof(*target_sigset), 1);
6440 if (!target_sigset) {
6441 goto efault;
6442 }
6443 target_to_host_sigset(&set, target_sigset);
6444 unlock_user(target_sigset, arg_sigset, 0);
6445 } else {
6446 sig.set = NULL;
6447 }
6448 } else {
6449 sig_ptr = NULL;
6450 }
6451
6452 ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr,
6453 ts_ptr, sig_ptr));
6454
6455 if (!is_error(ret)) {
6456 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
6457 goto efault;
6458 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
6459 goto efault;
6460 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
6461 goto efault;
6462
6463 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
6464 goto efault;
6465 }
6466 }
6467 break;
048f6b4d 6468#endif
31e31b8a 6469 case TARGET_NR_symlink:
53a5960a
PB		 6470 {
6471 void *p2;
6472 p = lock_user_string(arg1);
6473 p2 = lock_user_string(arg2);
579a97f7
FB		 6474 if (!p || !p2)
6475 ret = -TARGET_EFAULT;
6476 else
6477 ret = get_errno(symlink(p, p2));
53a5960a
PB		 6478 unlock_user(p2, arg2, 0);
6479 unlock_user(p, arg1, 0);
6480 }
31e31b8a 6481 break;
c0d472b1 6482#if defined(TARGET_NR_symlinkat)
f0b6243d 6483 case TARGET_NR_symlinkat:
f0b6243d 6484 {
579a97f7 6485 void *p2;
f0b6243d
TS		 6486 p = lock_user_string(arg1);
6487 p2 = lock_user_string(arg3);
579a97f7 6488 if (!p || !p2)
0da46a6e 6489 ret = -TARGET_EFAULT;
f0b6243d 6490 else
c0d472b1 6491 ret = get_errno(symlinkat(p, arg2, p2));
579a97f7
FB		 6492 unlock_user(p2, arg3, 0);
6493 unlock_user(p, arg1, 0);
f0b6243d
TS		 6494 }
6495 break;
6496#endif
ebc05488 6497#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 6498 case TARGET_NR_oldlstat:
6499 goto unimplemented;
ebc05488 6500#endif
31e31b8a 6501 case TARGET_NR_readlink:
53a5960a 6502 {
463d8e73 6503 void *p2;
53a5960a 6504 p = lock_user_string(arg1);
579a97f7 6505 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
463d8e73 6506 if (!p || !p2) {
579a97f7 6507 ret = -TARGET_EFAULT;
463d8e73
AS		 6508 } else if (is_proc_myself((const char *)p, "exe")) {
6509 char real[PATH_MAX], *temp;
6510 temp = realpath(exec_path, real);
6511 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
6512 snprintf((char *)p2, arg3, "%s", real);
6513 } else {
6514 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 6515 }
53a5960a
PB		 6516 unlock_user(p2, arg2, ret);
6517 unlock_user(p, arg1, 0);
6518 }
31e31b8a 6519 break;
c0d472b1 6520#if defined(TARGET_NR_readlinkat)
5e0ccb18 6521 case TARGET_NR_readlinkat:
5e0ccb18 6522 {
579a97f7 6523 void *p2;
5e0ccb18 6524 p = lock_user_string(arg2);
579a97f7 6525 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
463d8e73
AS		 6526 if (!p || !p2) {
6527 ret = -TARGET_EFAULT;
6528 } else if (is_proc_myself((const char *)p, "exe")) {
6529 char real[PATH_MAX], *temp;
6530 temp = realpath(exec_path, real);
6531 ret = temp == NULL ? get_errno(-1) : strlen(real) ;
6532 snprintf((char *)p2, arg4, "%s", real);
6533 } else {
c0d472b1 6534 ret = get_errno(readlinkat(arg1, path(p), p2, arg4));
463d8e73 6535 }
579a97f7
FB		 6536 unlock_user(p2, arg3, ret);
6537 unlock_user(p, arg2, 0);
5e0ccb18
TS		 6538 }
6539 break;
6540#endif
e5febef5 6541#ifdef TARGET_NR_uselib
31e31b8a
FB		 6542 case TARGET_NR_uselib:
6543 goto unimplemented;
e5febef5
TS		 6544#endif
6545#ifdef TARGET_NR_swapon
31e31b8a 6546 case TARGET_NR_swapon:
579a97f7
FB		 6547 if (!(p = lock_user_string(arg1)))
6548 goto efault;
53a5960a
PB		 6549 ret = get_errno(swapon(p, arg2));
6550 unlock_user(p, arg1, 0);
31e31b8a 6551 break;
e5febef5 6552#endif
31e31b8a 6553 case TARGET_NR_reboot:
c07ecc68
LV		 6554 if (arg3 == LINUX_REBOOT_CMD_RESTART2) {
6555 /* arg4 must be ignored in all other cases */
6556 p = lock_user_string(arg4);
6557 if (!p) {
6558 goto efault;
6559 }
6560 ret = get_errno(reboot(arg1, arg2, arg3, p));
6561 unlock_user(p, arg4, 0);
6562 } else {
6563 ret = get_errno(reboot(arg1, arg2, arg3, NULL));
6564 }
0f6b4d21 6565 break;
e5febef5 6566#ifdef TARGET_NR_readdir
31e31b8a
FB		 6567 case TARGET_NR_readdir:
6568 goto unimplemented;
e5febef5
TS		 6569#endif
6570#ifdef TARGET_NR_mmap
31e31b8a 6571 case TARGET_NR_mmap:
09701199
AG		 6572#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \
6573 (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \
a4c075f1
UH		 6574 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6575 || defined(TARGET_S390X)
31e31b8a 6576 {
992f48a0
BS		 6577 abi_ulong *v;
6578 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 6579 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
6580 goto efault;
cbb21eed
MB		 6581 v1 = tswapal(v[0]);
6582 v2 = tswapal(v[1]);
6583 v3 = tswapal(v[2]);
6584 v4 = tswapal(v[3]);
6585 v5 = tswapal(v[4]);
6586 v6 = tswapal(v[5]);
53a5960a 6587 unlock_user(v, arg1, 0);
5fafdf24 6588 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 6589 target_to_host_bitmask(v4, mmap_flags_tbl),
6590 v5, v6));
31e31b8a 6591 }
31e31b8a 6592#else
5fafdf24
TS		 6593 ret = get_errno(target_mmap(arg1, arg2, arg3,
6594 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 6595 arg5,
6596 arg6));
31e31b8a 6597#endif
6fb883e8 6598 break;
e5febef5 6599#endif
a315a145 6600#ifdef TARGET_NR_mmap2
6fb883e8 6601 case TARGET_NR_mmap2:
bb7ec043 6602#ifndef MMAP_SHIFT
c573ff67 6603#define MMAP_SHIFT 12
c573ff67 6604#endif
5fafdf24
TS		 6605 ret = get_errno(target_mmap(arg1, arg2, arg3,
6606 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 6607 arg5,
c573ff67 6608 arg6 << MMAP_SHIFT));
31e31b8a 6609 break;
a315a145 6610#endif
31e31b8a 6611 case TARGET_NR_munmap:
54936004 6612 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 6613 break;
9de5e440 6614 case TARGET_NR_mprotect:
97374d38 6615 {
9349b4f9 6616 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
97374d38
PB		 6617 /* Special hack to detect libc making the stack executable. */
6618 if ((arg3 & PROT_GROWSDOWN)
6619 && arg1 >= ts->info->stack_limit
6620 && arg1 <= ts->info->start_stack) {
6621 arg3 &= ~PROT_GROWSDOWN;
6622 arg2 = arg2 + arg1 - ts->info->stack_limit;
6623 arg1 = ts->info->stack_limit;
6624 }
6625 }
54936004 6626 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 6627 break;
e5febef5 6628#ifdef TARGET_NR_mremap
9de5e440 6629 case TARGET_NR_mremap:
54936004 6630 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 6631 break;
e5febef5 6632#endif
53a5960a 6633 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 6634#ifdef TARGET_NR_msync
9de5e440 6635 case TARGET_NR_msync:
53a5960a 6636 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 6637 break;
e5febef5
TS		 6638#endif
6639#ifdef TARGET_NR_mlock
9de5e440 6640 case TARGET_NR_mlock:
53a5960a 6641 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 6642 break;
e5febef5
TS		 6643#endif
6644#ifdef TARGET_NR_munlock
9de5e440 6645 case TARGET_NR_munlock:
53a5960a 6646 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 6647 break;
e5febef5
TS		 6648#endif
6649#ifdef TARGET_NR_mlockall
9de5e440
FB		 6650 case TARGET_NR_mlockall:
6651 ret = get_errno(mlockall(arg1));
6652 break;
e5febef5
TS		 6653#endif
6654#ifdef TARGET_NR_munlockall
9de5e440
FB		 6655 case TARGET_NR_munlockall:
6656 ret = get_errno(munlockall());
6657 break;
e5febef5 6658#endif
31e31b8a 6659 case TARGET_NR_truncate:
579a97f7
FB		 6660 if (!(p = lock_user_string(arg1)))
6661 goto efault;
53a5960a
PB		 6662 ret = get_errno(truncate(p, arg2));
6663 unlock_user(p, arg1, 0);
31e31b8a
FB		 6664 break;
6665 case TARGET_NR_ftruncate:
6666 ret = get_errno(ftruncate(arg1, arg2));
6667 break;
6668 case TARGET_NR_fchmod:
6669 ret = get_errno(fchmod(arg1, arg2));
6670 break;
c0d472b1 6671#if defined(TARGET_NR_fchmodat)
814d7977 6672 case TARGET_NR_fchmodat:
579a97f7
FB		 6673 if (!(p = lock_user_string(arg2)))
6674 goto efault;
c0d472b1 6675 ret = get_errno(fchmodat(arg1, p, arg3, 0));
579a97f7 6676 unlock_user(p, arg2, 0);
814d7977
TS		 6677 break;
6678#endif
31e31b8a 6679 case TARGET_NR_getpriority:
95c09828
RH		 6680 /* Note that negative values are valid for getpriority, so we must
6681 differentiate based on errno settings. */
6682 errno = 0;
6683 ret = getpriority(arg1, arg2);
6684 if (ret == -1 && errno != 0) {
6685 ret = -host_to_target_errno(errno);
6686 break;
6687 }
6688#ifdef TARGET_ALPHA
6689 /* Return value is the unbiased priority. Signal no error. */
6690 ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
6691#else
6692 /* Return value is a biased priority to avoid negative numbers. */
6693 ret = 20 - ret;
6694#endif
31e31b8a
FB		 6695 break;
6696 case TARGET_NR_setpriority:
6697 ret = get_errno(setpriority(arg1, arg2, arg3));
6698 break;
ebc05488 6699#ifdef TARGET_NR_profil
31e31b8a
FB		 6700 case TARGET_NR_profil:
6701 goto unimplemented;
ebc05488 6702#endif
31e31b8a 6703 case TARGET_NR_statfs:
579a97f7
FB		 6704 if (!(p = lock_user_string(arg1)))
6705 goto efault;
53a5960a
PB		 6706 ret = get_errno(statfs(path(p), &stfs));
6707 unlock_user(p, arg1, 0);
31e31b8a
FB		 6708 convert_statfs:
6709 if (!is_error(ret)) {
53a5960a 6710 struct target_statfs *target_stfs;
3b46e624 6711
579a97f7
FB		 6712 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
6713 goto efault;
6714 __put_user(stfs.f_type, &target_stfs->f_type);
6715 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6716 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6717 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6718 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6719 __put_user(stfs.f_files, &target_stfs->f_files);
6720 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6721 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6722 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6723 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 6724 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
6725 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
53a5960a 6726 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 6727 }
6728 break;
6729 case TARGET_NR_fstatfs:
56c8f68f 6730 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 6731 goto convert_statfs;
56c8f68f
FB		 6732#ifdef TARGET_NR_statfs64
6733 case TARGET_NR_statfs64:
579a97f7
FB		 6734 if (!(p = lock_user_string(arg1)))
6735 goto efault;
53a5960a
PB		 6736 ret = get_errno(statfs(path(p), &stfs));
6737 unlock_user(p, arg1, 0);
56c8f68f
FB		 6738 convert_statfs64:
6739 if (!is_error(ret)) {
53a5960a 6740 struct target_statfs64 *target_stfs;
3b46e624 6741
579a97f7
FB		 6742 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
6743 goto efault;
6744 __put_user(stfs.f_type, &target_stfs->f_type);
6745 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
6746 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
6747 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
6748 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
6749 __put_user(stfs.f_files, &target_stfs->f_files);
6750 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
6751 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
6752 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
6753 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
229d3376
AG		 6754 __put_user(stfs.f_frsize, &target_stfs->f_frsize);
6755 memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare));
579a97f7 6756 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 6757 }
6758 break;
6759 case TARGET_NR_fstatfs64:
6760 ret = get_errno(fstatfs(arg1, &stfs));
6761 goto convert_statfs64;
6762#endif
ebc05488 6763#ifdef TARGET_NR_ioperm
31e31b8a
FB		 6764 case TARGET_NR_ioperm:
6765 goto unimplemented;
ebc05488 6766#endif
e5febef5 6767#ifdef TARGET_NR_socketcall
31e31b8a 6768 case TARGET_NR_socketcall:
53a5960a 6769 ret = do_socketcall(arg1, arg2);
31e31b8a 6770 break;
e5febef5 6771#endif
3532fa74
FB		 6772#ifdef TARGET_NR_accept
6773 case TARGET_NR_accept:
a94b4987
PM		 6774 ret = do_accept4(arg1, arg2, arg3, 0);
6775 break;
6776#endif
6777#ifdef TARGET_NR_accept4
6778 case TARGET_NR_accept4:
6779#ifdef CONFIG_ACCEPT4
6780 ret = do_accept4(arg1, arg2, arg3, arg4);
6781#else
6782 goto unimplemented;
6783#endif
3532fa74
FB		 6784 break;
6785#endif
6786#ifdef TARGET_NR_bind
6787 case TARGET_NR_bind:
6788 ret = do_bind(arg1, arg2, arg3);
6789 break;
6790#endif
6791#ifdef TARGET_NR_connect
6792 case TARGET_NR_connect:
6793 ret = do_connect(arg1, arg2, arg3);
6794 break;
6795#endif
6796#ifdef TARGET_NR_getpeername
6797 case TARGET_NR_getpeername:
1be9e1dc 6798 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 6799 break;
6800#endif
6801#ifdef TARGET_NR_getsockname
6802 case TARGET_NR_getsockname:
1be9e1dc 6803 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 6804 break;
6805#endif
6806#ifdef TARGET_NR_getsockopt
6807 case TARGET_NR_getsockopt:
6808 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
6809 break;
6810#endif
6811#ifdef TARGET_NR_listen
6812 case TARGET_NR_listen:
1be9e1dc 6813 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 6814 break;
6815#endif
6816#ifdef TARGET_NR_recv
6817 case TARGET_NR_recv:
214201bd 6818 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6819 break;
6820#endif
6821#ifdef TARGET_NR_recvfrom
6822 case TARGET_NR_recvfrom:
214201bd 6823 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6824 break;
6825#endif
6826#ifdef TARGET_NR_recvmsg
6827 case TARGET_NR_recvmsg:
6828 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
6829 break;
6830#endif
6831#ifdef TARGET_NR_send
6832 case TARGET_NR_send:
1be9e1dc 6833 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 6834 break;
6835#endif
6836#ifdef TARGET_NR_sendmsg
6837 case TARGET_NR_sendmsg:
6838 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
6839 break;
6840#endif
6841#ifdef TARGET_NR_sendto
6842 case TARGET_NR_sendto:
1be9e1dc 6843 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 6844 break;
6845#endif
6846#ifdef TARGET_NR_shutdown
6847 case TARGET_NR_shutdown:
1be9e1dc 6848 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 6849 break;
6850#endif
6851#ifdef TARGET_NR_socket
6852 case TARGET_NR_socket:
6853 ret = do_socket(arg1, arg2, arg3);
6854 break;
6855#endif
6856#ifdef TARGET_NR_socketpair
6857 case TARGET_NR_socketpair:
1be9e1dc 6858 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 6859 break;
6860#endif
6861#ifdef TARGET_NR_setsockopt
6862 case TARGET_NR_setsockopt:
6863 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
6864 break;
6865#endif
7494b0f9 6866
31e31b8a 6867 case TARGET_NR_syslog:
579a97f7
FB		 6868 if (!(p = lock_user_string(arg2)))
6869 goto efault;
e5574487
TS		 6870 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
6871 unlock_user(p, arg2, 0);
7494b0f9
TS		 6872 break;
6873
31e31b8a 6874 case TARGET_NR_setitimer:
66fb9763 6875 {
66fb9763
FB		 6876 struct itimerval value, ovalue, *pvalue;
6877
53a5960a 6878 if (arg2) {
66fb9763 6879 pvalue = &value;
788f5ec4
TS		 6880 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
6881 || copy_from_user_timeval(&pvalue->it_value,
6882 arg2 + sizeof(struct target_timeval)))
6883 goto efault;
66fb9763
FB		 6884 } else {
6885 pvalue = NULL;
6886 }
6887 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 6888 if (!is_error(ret) && arg3) {
788f5ec4
TS		 6889 if (copy_to_user_timeval(arg3,
6890 &ovalue.it_interval)
6891 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
6892 &ovalue.it_value))
6893 goto efault;
66fb9763
FB		 6894 }
6895 }
6896 break;
31e31b8a 6897 case TARGET_NR_getitimer:
66fb9763 6898 {
66fb9763 6899 struct itimerval value;
3b46e624 6900
66fb9763 6901 ret = get_errno(getitimer(arg1, &value));
53a5960a 6902 if (!is_error(ret) && arg2) {
788f5ec4
TS		 6903 if (copy_to_user_timeval(arg2,
6904 &value.it_interval)
6905 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
6906 &value.it_value))
6907 goto efault;
66fb9763
FB		 6908 }
6909 }
6910 break;
31e31b8a 6911 case TARGET_NR_stat:
579a97f7
FB		 6912 if (!(p = lock_user_string(arg1)))
6913 goto efault;
53a5960a
PB		 6914 ret = get_errno(stat(path(p), &st));
6915 unlock_user(p, arg1, 0);
31e31b8a
FB		 6916 goto do_stat;
6917 case TARGET_NR_lstat:
579a97f7
FB		 6918 if (!(p = lock_user_string(arg1)))
6919 goto efault;
53a5960a
PB		 6920 ret = get_errno(lstat(path(p), &st));
6921 unlock_user(p, arg1, 0);
31e31b8a
FB		 6922 goto do_stat;
6923 case TARGET_NR_fstat:
6924 {
6925 ret = get_errno(fstat(arg1, &st));
6926 do_stat:
6927 if (!is_error(ret)) {
53a5960a 6928 struct target_stat *target_st;
e3584658 6929
579a97f7
FB		 6930 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
6931 goto efault;
12727917 6932 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 6933 __put_user(st.st_dev, &target_st->st_dev);
6934 __put_user(st.st_ino, &target_st->st_ino);
6935 __put_user(st.st_mode, &target_st->st_mode);
6936 __put_user(st.st_uid, &target_st->st_uid);
6937 __put_user(st.st_gid, &target_st->st_gid);
6938 __put_user(st.st_nlink, &target_st->st_nlink);
6939 __put_user(st.st_rdev, &target_st->st_rdev);
6940 __put_user(st.st_size, &target_st->st_size);
6941 __put_user(st.st_blksize, &target_st->st_blksize);
6942 __put_user(st.st_blocks, &target_st->st_blocks);
6943 __put_user(st.st_atime, &target_st->target_st_atime);
6944 __put_user(st.st_mtime, &target_st->target_st_mtime);
6945 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 6946 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 6947 }
6948 }
6949 break;
ebc05488 6950#ifdef TARGET_NR_olduname
31e31b8a
FB		 6951 case TARGET_NR_olduname:
6952 goto unimplemented;
ebc05488
FB		 6953#endif
6954#ifdef TARGET_NR_iopl
31e31b8a
FB		 6955 case TARGET_NR_iopl:
6956 goto unimplemented;
ebc05488 6957#endif
31e31b8a
FB		 6958 case TARGET_NR_vhangup:
6959 ret = get_errno(vhangup());
6960 break;
ebc05488 6961#ifdef TARGET_NR_idle
31e31b8a
FB		 6962 case TARGET_NR_idle:
6963 goto unimplemented;
42ad6ae9
FB		 6964#endif
6965#ifdef TARGET_NR_syscall
6966 case TARGET_NR_syscall:
5945cfcb
PM		 6967 ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
6968 arg6, arg7, arg8, 0);
6969 break;
ebc05488 6970#endif
31e31b8a
FB		 6971 case TARGET_NR_wait4:
6972 {
6973 int status;
992f48a0 6974 abi_long status_ptr = arg2;
31e31b8a 6975 struct rusage rusage, *rusage_ptr;
992f48a0 6976 abi_ulong target_rusage = arg4;
31e31b8a
FB		 6977 if (target_rusage)
6978 rusage_ptr = &rusage;
6979 else
6980 rusage_ptr = NULL;
6981 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
6982 if (!is_error(ret)) {
5379557b 6983 if (status_ptr && ret) {
1d9d8b55 6984 status = host_to_target_waitstatus(status);
2f619698
FB		 6985 if (put_user_s32(status, status_ptr))
6986 goto efault;
31e31b8a 6987 }
2f619698
FB		 6988 if (target_rusage)
6989 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 6990 }
6991 }
6992 break;
e5febef5 6993#ifdef TARGET_NR_swapoff
31e31b8a 6994 case TARGET_NR_swapoff:
579a97f7
FB		 6995 if (!(p = lock_user_string(arg1)))
6996 goto efault;
53a5960a
PB		 6997 ret = get_errno(swapoff(p));
6998 unlock_user(p, arg1, 0);
31e31b8a 6999 break;
e5febef5 7000#endif
31e31b8a 7001 case TARGET_NR_sysinfo:
a5448a7d 7002 {
53a5960a 7003 struct target_sysinfo *target_value;
a5448a7d
FB		 7004 struct sysinfo value;
7005 ret = get_errno(sysinfo(&value));
53a5960a 7006 if (!is_error(ret) && arg1)
a5448a7d 7007 {
579a97f7
FB		 7008 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
7009 goto efault;
a5448a7d
FB		 7010 __put_user(value.uptime, &target_value->uptime);
7011 __put_user(value.loads[0], &target_value->loads[0]);
7012 __put_user(value.loads[1], &target_value->loads[1]);
7013 __put_user(value.loads[2], &target_value->loads[2]);
7014 __put_user(value.totalram, &target_value->totalram);
7015 __put_user(value.freeram, &target_value->freeram);
7016 __put_user(value.sharedram, &target_value->sharedram);
7017 __put_user(value.bufferram, &target_value->bufferram);
7018 __put_user(value.totalswap, &target_value->totalswap);
7019 __put_user(value.freeswap, &target_value->freeswap);
7020 __put_user(value.procs, &target_value->procs);
7021 __put_user(value.totalhigh, &target_value->totalhigh);
7022 __put_user(value.freehigh, &target_value->freehigh);
7023 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 7024 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 7025 }
7026 }
7027 break;
e5febef5 7028#ifdef TARGET_NR_ipc
31e31b8a 7029 case TARGET_NR_ipc:
8853f86e
FB		 7030 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
7031 break;
e5febef5 7032#endif
e5289087
AJ		 7033#ifdef TARGET_NR_semget
7034 case TARGET_NR_semget:
7035 ret = get_errno(semget(arg1, arg2, arg3));
7036 break;
7037#endif
7038#ifdef TARGET_NR_semop
7039 case TARGET_NR_semop:
c7128c9f 7040 ret = do_semop(arg1, arg2, arg3);
e5289087
AJ		 7041 break;
7042#endif
7043#ifdef TARGET_NR_semctl
7044 case TARGET_NR_semctl:
7045 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
7046 break;
7047#endif
eeb438c1
AJ		 7048#ifdef TARGET_NR_msgctl
7049 case TARGET_NR_msgctl:
7050 ret = do_msgctl(arg1, arg2, arg3);
7051 break;
7052#endif
7053#ifdef TARGET_NR_msgget
7054 case TARGET_NR_msgget:
7055 ret = get_errno(msgget(arg1, arg2));
7056 break;
7057#endif
7058#ifdef TARGET_NR_msgrcv
7059 case TARGET_NR_msgrcv:
7060 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
7061 break;
7062#endif
7063#ifdef TARGET_NR_msgsnd
7064 case TARGET_NR_msgsnd:
7065 ret = do_msgsnd(arg1, arg2, arg3, arg4);
7066 break;
88a8c984
RV		 7067#endif
7068#ifdef TARGET_NR_shmget
7069 case TARGET_NR_shmget:
7070 ret = get_errno(shmget(arg1, arg2, arg3));
7071 break;
7072#endif
7073#ifdef TARGET_NR_shmctl
7074 case TARGET_NR_shmctl:
7075 ret = do_shmctl(arg1, arg2, arg3);
7076 break;
7077#endif
7078#ifdef TARGET_NR_shmat
7079 case TARGET_NR_shmat:
7080 ret = do_shmat(arg1, arg2, arg3);
7081 break;
7082#endif
7083#ifdef TARGET_NR_shmdt
7084 case TARGET_NR_shmdt:
7085 ret = do_shmdt(arg1);
7086 break;
eeb438c1 7087#endif
31e31b8a
FB		 7088 case TARGET_NR_fsync:
7089 ret = get_errno(fsync(arg1));
7090 break;
31e31b8a 7091 case TARGET_NR_clone:
4ce6243d
PM		 7092 /* Linux manages to have three different orderings for its
7093 * arguments to clone(); the BACKWARDS and BACKWARDS2 defines
7094 * match the kernel's CONFIG_CLONE_* settings.
7095 * Microblaze is further special in that it uses a sixth
7096 * implicit argument to clone for the TLS pointer.
7097 */
7098#if defined(TARGET_MICROBLAZE)
a5b3bdcb 7099 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5));
4ce6243d
PM		 7100#elif defined(TARGET_CLONE_BACKWARDS)
7101 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
7102#elif defined(TARGET_CLONE_BACKWARDS2)
a4c075f1 7103 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4));
0b6d3ae0 7104#else
4ce6243d 7105 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
0b6d3ae0 7106#endif
1b6b029e 7107 break;
ec86b0fb
FB		 7108#ifdef __NR_exit_group
7109 /* new thread calls */
7110 case TARGET_NR_exit_group:
9788c9ca 7111#ifdef TARGET_GPROF
6d946cda
AJ		 7112 _mcleanup();
7113#endif
e9009676 7114 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 7115 ret = get_errno(exit_group(arg1));
7116 break;
7117#endif
31e31b8a 7118 case TARGET_NR_setdomainname:
579a97f7
FB		 7119 if (!(p = lock_user_string(arg1)))
7120 goto efault;
53a5960a
PB		 7121 ret = get_errno(setdomainname(p, arg2));
7122 unlock_user(p, arg1, 0);
31e31b8a
FB		 7123 break;
7124 case TARGET_NR_uname:
7125 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 7126 {
7127 struct new_utsname * buf;
3b46e624 7128
579a97f7
FB		 7129 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
7130 goto efault;
29e619b1
FB		 7131 ret = get_errno(sys_uname(buf));
7132 if (!is_error(ret)) {
7133 /* Overrite the native machine name with whatever is being
7134 emulated. */
da79030f 7135 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 7136 /* Allow the user to override the reported release. */
7137 if (qemu_uname_release && *qemu_uname_release)
7138 strcpy (buf->release, qemu_uname_release);
29e619b1 7139 }
53a5960a 7140 unlock_user_struct(buf, arg1, 1);
29e619b1 7141 }
31e31b8a 7142 break;
6dbad63e 7143#ifdef TARGET_I386
31e31b8a 7144 case TARGET_NR_modify_ldt:
03acab66 7145 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 7146 break;
84409ddb 7147#if !defined(TARGET_X86_64)
5cd4393b
FB		 7148 case TARGET_NR_vm86old:
7149 goto unimplemented;
7150 case TARGET_NR_vm86:
53a5960a 7151 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 7152 break;
84409ddb 7153#endif
6dbad63e 7154#endif
31e31b8a
FB		 7155 case TARGET_NR_adjtimex:
7156 goto unimplemented;
e5febef5 7157#ifdef TARGET_NR_create_module
31e31b8a 7158 case TARGET_NR_create_module:
e5febef5 7159#endif
31e31b8a
FB		 7160 case TARGET_NR_init_module:
7161 case TARGET_NR_delete_module:
e5febef5 7162#ifdef TARGET_NR_get_kernel_syms
31e31b8a 7163 case TARGET_NR_get_kernel_syms:
e5febef5 7164#endif
31e31b8a
FB		 7165 goto unimplemented;
7166 case TARGET_NR_quotactl:
7167 goto unimplemented;
7168 case TARGET_NR_getpgid:
7169 ret = get_errno(getpgid(arg1));
7170 break;
7171 case TARGET_NR_fchdir:
7172 ret = get_errno(fchdir(arg1));
7173 break;
84409ddb 7174#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 7175 case TARGET_NR_bdflush:
7176 goto unimplemented;
84409ddb 7177#endif
e5febef5 7178#ifdef TARGET_NR_sysfs
31e31b8a
FB		 7179 case TARGET_NR_sysfs:
7180 goto unimplemented;
e5febef5 7181#endif
31e31b8a 7182 case TARGET_NR_personality:
1b6b029e 7183 ret = get_errno(personality(arg1));
31e31b8a 7184 break;
e5febef5 7185#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 7186 case TARGET_NR_afs_syscall:
7187 goto unimplemented;
e5febef5 7188#endif
7a3148a9 7189#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 7190 case TARGET_NR__llseek:
7191 {
0c1592d9 7192 int64_t res;
d35b261c 7193#if !defined(__NR_llseek)
0c1592d9
PM		 7194 res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5);
7195 if (res == -1) {
7196 ret = get_errno(res);
7197 } else {
7198 ret = 0;
7199 }
4f2ac237 7200#else
31e31b8a 7201 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4f2ac237 7202#endif
0c1592d9
PM		 7203 if ((ret == 0) && put_user_s64(res, arg4)) {
7204 goto efault;
7205 }
31e31b8a
FB		 7206 }
7207 break;
7a3148a9 7208#endif
31e31b8a 7209 case TARGET_NR_getdents:
3307e236 7210#ifdef __NR_getdents
d83c8733 7211#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 7212 {
53a5960a 7213 struct target_dirent *target_dirp;
6556a833 7214 struct linux_dirent *dirp;
992f48a0 7215 abi_long count = arg3;
4add45b4
FB		 7216
7217 dirp = malloc(count);
0da46a6e 7218 if (!dirp) {
579a97f7 7219 ret = -TARGET_ENOMEM;
0da46a6e
TS		 7220 goto fail;
7221 }
3b46e624 7222
4add45b4
FB		 7223 ret = get_errno(sys_getdents(arg1, dirp, count));
7224 if (!is_error(ret)) {
6556a833 7225 struct linux_dirent *de;
4add45b4
FB		 7226 struct target_dirent *tde;
7227 int len = ret;
7228 int reclen, treclen;
7229 int count1, tnamelen;
7230
7231 count1 = 0;
7232 de = dirp;
579a97f7
FB		 7233 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7234 goto efault;
4add45b4
FB		 7235 tde = target_dirp;
7236 while (len > 0) {
7237 reclen = de->d_reclen;
333858b7
DL		 7238 tnamelen = reclen - offsetof(struct linux_dirent, d_name);
7239 assert(tnamelen >= 0);
7240 treclen = tnamelen + offsetof(struct target_dirent, d_name);
7241 assert(count1 + treclen <= count);
4add45b4 7242 tde->d_reclen = tswap16(treclen);
cbb21eed
MB		 7243 tde->d_ino = tswapal(de->d_ino);
7244 tde->d_off = tswapal(de->d_off);
333858b7 7245 memcpy(tde->d_name, de->d_name, tnamelen);
6556a833 7246 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 7247 len -= reclen;
1c5bf3bf 7248 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 7249 count1 += treclen;
7250 }
7251 ret = count1;
579a97f7 7252 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 7253 }
7254 free(dirp);
7255 }
7256#else
31e31b8a 7257 {
6556a833 7258 struct linux_dirent *dirp;
992f48a0 7259 abi_long count = arg3;
dab2ed99 7260
579a97f7
FB		 7261 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7262 goto efault;
72f03900 7263 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 7264 if (!is_error(ret)) {
6556a833 7265 struct linux_dirent *de;
31e31b8a
FB		 7266 int len = ret;
7267 int reclen;
7268 de = dirp;
7269 while (len > 0) {
8083a3e5 7270 reclen = de->d_reclen;
31e31b8a
FB		 7271 if (reclen > len)
7272 break;
8083a3e5 7273 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 7274 tswapls(&de->d_ino);
7275 tswapls(&de->d_off);
6556a833 7276 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 7277 len -= reclen;
7278 }
7279 }
53a5960a 7280 unlock_user(dirp, arg2, ret);
3307e236
PM		 7281 }
7282#endif
7283#else
7284 /* Implement getdents in terms of getdents64 */
7285 {
7286 struct linux_dirent64 *dirp;
7287 abi_long count = arg3;
7288
7289 dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
7290 if (!dirp) {
7291 goto efault;
7292 }
7293 ret = get_errno(sys_getdents64(arg1, dirp, count));
7294 if (!is_error(ret)) {
7295 /* Convert the dirent64 structs to target dirent. We do this
7296 * in-place, since we can guarantee that a target_dirent is no
7297 * larger than a dirent64; however this means we have to be
7298 * careful to read everything before writing in the new format.
7299 */
7300 struct linux_dirent64 *de;
7301 struct target_dirent *tde;
7302 int len = ret;
7303 int tlen = 0;
7304
7305 de = dirp;
7306 tde = (struct target_dirent *)dirp;
7307 while (len > 0) {
7308 int namelen, treclen;
7309 int reclen = de->d_reclen;
7310 uint64_t ino = de->d_ino;
7311 int64_t off = de->d_off;
7312 uint8_t type = de->d_type;
7313
7314 namelen = strlen(de->d_name);
7315 treclen = offsetof(struct target_dirent, d_name)
7316 + namelen + 2;
7317 treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long));
7318
7319 memmove(tde->d_name, de->d_name, namelen + 1);
7320 tde->d_ino = tswapal(ino);
7321 tde->d_off = tswapal(off);
7322 tde->d_reclen = tswap16(treclen);
7323 /* The target_dirent type is in what was formerly a padding
7324 * byte at the end of the structure:
7325 */
7326 *(((char *)tde) + treclen - 1) = type;
7327
7328 de = (struct linux_dirent64 *)((char *)de + reclen);
7329 tde = (struct target_dirent *)((char *)tde + treclen);
7330 len -= reclen;
7331 tlen += treclen;
7332 }
7333 ret = tlen;
7334 }
7335 unlock_user(dirp, arg2, ret);
31e31b8a 7336 }
4add45b4 7337#endif
31e31b8a 7338 break;
3ae43202 7339#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 7340 case TARGET_NR_getdents64:
7341 {
6556a833 7342 struct linux_dirent64 *dirp;
992f48a0 7343 abi_long count = arg3;
579a97f7
FB		 7344 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
7345 goto efault;
dab2ed99
FB		 7346 ret = get_errno(sys_getdents64(arg1, dirp, count));
7347 if (!is_error(ret)) {
6556a833 7348 struct linux_dirent64 *de;
dab2ed99
FB		 7349 int len = ret;
7350 int reclen;
7351 de = dirp;
7352 while (len > 0) {
8083a3e5 7353 reclen = de->d_reclen;
dab2ed99
FB		 7354 if (reclen > len)
7355 break;
8083a3e5 7356 de->d_reclen = tswap16(reclen);
8582a53a
FB		 7357 tswap64s((uint64_t *)&de->d_ino);
7358 tswap64s((uint64_t *)&de->d_off);
6556a833 7359 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 7360 len -= reclen;
7361 }
7362 }
53a5960a 7363 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 7364 }
7365 break;
a541f297 7366#endif /* TARGET_NR_getdents64 */
9468a5d4 7367#if defined(TARGET_NR__newselect)
31e31b8a 7368 case TARGET_NR__newselect:
53a5960a 7369 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 7370 break;
e5febef5 7371#endif
d8035d4c
MF		 7372#if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
7373# ifdef TARGET_NR_poll
9de5e440 7374 case TARGET_NR_poll:
d8035d4c
MF		 7375# endif
7376# ifdef TARGET_NR_ppoll
7377 case TARGET_NR_ppoll:
7378# endif
9de5e440 7379 {
53a5960a 7380 struct target_pollfd *target_pfd;
9de5e440
FB		 7381 unsigned int nfds = arg2;
7382 int timeout = arg3;
7383 struct pollfd *pfd;
7854b056 7384 unsigned int i;
9de5e440 7385
579a97f7
FB		 7386 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
7387 if (!target_pfd)
7388 goto efault;
d8035d4c 7389
9de5e440
FB		 7390 pfd = alloca(sizeof(struct pollfd) * nfds);
7391 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 7392 pfd[i].fd = tswap32(target_pfd[i].fd);
7393 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440 7394 }
d8035d4c
MF		 7395
7396# ifdef TARGET_NR_ppoll
7397 if (num == TARGET_NR_ppoll) {
7398 struct timespec _timeout_ts, *timeout_ts = &_timeout_ts;
7399 target_sigset_t *target_set;
7400 sigset_t _set, *set = &_set;
7401
7402 if (arg3) {
7403 if (target_to_host_timespec(timeout_ts, arg3)) {
7404 unlock_user(target_pfd, arg1, 0);
7405 goto efault;
7406 }
7407 } else {
7408 timeout_ts = NULL;
7409 }
7410
7411 if (arg4) {
7412 target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
7413 if (!target_set) {
7414 unlock_user(target_pfd, arg1, 0);
7415 goto efault;
7416 }
7417 target_to_host_sigset(set, target_set);
7418 } else {
7419 set = NULL;
7420 }
7421
7422 ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8));
7423
7424 if (!is_error(ret) && arg3) {
7425 host_to_target_timespec(arg3, timeout_ts);
7426 }
7427 if (arg4) {
7428 unlock_user(target_set, arg4, 0);
7429 }
7430 } else
7431# endif
7432 ret = get_errno(poll(pfd, nfds, timeout));
7433
9de5e440
FB		 7434 if (!is_error(ret)) {
7435 for(i = 0; i < nfds; i++) {
5cd4393b 7436 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 7437 }
7438 }
30cb4cde 7439 unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds);
9de5e440
FB		 7440 }
7441 break;
e5febef5 7442#endif
31e31b8a 7443 case TARGET_NR_flock:
9de5e440
FB		 7444 /* NOTE: the flock constant seems to be the same for every
7445 Linux platform */
7446 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 7447 break;
7448 case TARGET_NR_readv:
7449 {
f287b2c2
RH		 7450 struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
7451 if (vec != NULL) {
7452 ret = get_errno(readv(arg1, vec, arg3));
7453 unlock_iovec(vec, arg2, arg3, 1);
7454 } else {
7455 ret = -host_to_target_errno(errno);
7456 }
31e31b8a
FB		 7457 }
7458 break;
7459 case TARGET_NR_writev:
7460 {
f287b2c2
RH		 7461 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
7462 if (vec != NULL) {
7463 ret = get_errno(writev(arg1, vec, arg3));
7464 unlock_iovec(vec, arg2, arg3, 0);
7465 } else {
7466 ret = -host_to_target_errno(errno);
7467 }
31e31b8a
FB		 7468 }
7469 break;
7470 case TARGET_NR_getsid:
7471 ret = get_errno(getsid(arg1));
7472 break;
7a3148a9 7473#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 7474 case TARGET_NR_fdatasync:
5cd4393b
FB		 7475 ret = get_errno(fdatasync(arg1));
7476 break;
7a3148a9 7477#endif
31e31b8a 7478 case TARGET_NR__sysctl:
0da46a6e 7479 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 7480 return value. */
0da46a6e
TS		 7481 ret = -TARGET_ENOTDIR;
7482 break;
737de1d1
MF		 7483 case TARGET_NR_sched_getaffinity:
7484 {
7485 unsigned int mask_size;
7486 unsigned long *mask;
7487
7488 /*
7489 * sched_getaffinity needs multiples of ulong, so need to take
7490 * care of mismatches between target ulong and host ulong sizes.
7491 */
7492 if (arg2 & (sizeof(abi_ulong) - 1)) {
7493 ret = -TARGET_EINVAL;
7494 break;
7495 }
7496 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7497
7498 mask = alloca(mask_size);
7499 ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask));
7500
7501 if (!is_error(ret)) {
cd18f05e 7502 if (copy_to_user(arg3, mask, ret)) {
737de1d1
MF		 7503 goto efault;
7504 }
737de1d1
MF		 7505 }
7506 }
7507 break;
7508 case TARGET_NR_sched_setaffinity:
7509 {
7510 unsigned int mask_size;
7511 unsigned long *mask;
7512
7513 /*
7514 * sched_setaffinity needs multiples of ulong, so need to take
7515 * care of mismatches between target ulong and host ulong sizes.
7516 */
7517 if (arg2 & (sizeof(abi_ulong) - 1)) {
7518 ret = -TARGET_EINVAL;
7519 break;
7520 }
7521 mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1);
7522
7523 mask = alloca(mask_size);
7524 if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) {
7525 goto efault;
7526 }
7527 memcpy(mask, p, arg2);
7528 unlock_user_struct(p, arg2, 0);
7529
7530 ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask));
7531 }
7532 break;
31e31b8a 7533 case TARGET_NR_sched_setparam:
5cd4393b 7534 {
53a5960a 7535 struct sched_param *target_schp;
5cd4393b 7536 struct sched_param schp;
53a5960a 7537
579a97f7
FB		 7538 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
7539 goto efault;
5cd4393b 7540 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7541 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 7542 ret = get_errno(sched_setparam(arg1, &schp));
7543 }
7544 break;
31e31b8a 7545 case TARGET_NR_sched_getparam:
5cd4393b 7546 {
53a5960a 7547 struct sched_param *target_schp;
5cd4393b
FB		 7548 struct sched_param schp;
7549 ret = get_errno(sched_getparam(arg1, &schp));
7550 if (!is_error(ret)) {
579a97f7
FB		 7551 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
7552 goto efault;
5cd4393b 7553 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 7554 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 7555 }
7556 }
7557 break;
31e31b8a 7558 case TARGET_NR_sched_setscheduler:
5cd4393b 7559 {
53a5960a 7560 struct sched_param *target_schp;
5cd4393b 7561 struct sched_param schp;
579a97f7
FB		 7562 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
7563 goto efault;
5cd4393b 7564 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 7565 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 7566 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
7567 }
7568 break;
31e31b8a 7569 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 7570 ret = get_errno(sched_getscheduler(arg1));
7571 break;
31e31b8a
FB		 7572 case TARGET_NR_sched_yield:
7573 ret = get_errno(sched_yield());
7574 break;
7575 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 7576 ret = get_errno(sched_get_priority_max(arg1));
7577 break;
31e31b8a 7578 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 7579 ret = get_errno(sched_get_priority_min(arg1));
7580 break;
31e31b8a 7581 case TARGET_NR_sched_rr_get_interval:
5cd4393b 7582 {
5cd4393b
FB		 7583 struct timespec ts;
7584 ret = get_errno(sched_rr_get_interval(arg1, &ts));
7585 if (!is_error(ret)) {
53a5960a 7586 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 7587 }
7588 }
7589 break;
31e31b8a 7590 case TARGET_NR_nanosleep:
1b6b029e 7591 {
1b6b029e 7592 struct timespec req, rem;
53a5960a 7593 target_to_host_timespec(&req, arg1);
1b6b029e 7594 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 7595 if (is_error(ret) && arg2) {
7596 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 7597 }
7598 }
7599 break;
e5febef5 7600#ifdef TARGET_NR_query_module
31e31b8a 7601 case TARGET_NR_query_module:
5cd4393b 7602 goto unimplemented;
e5febef5
TS		 7603#endif
7604#ifdef TARGET_NR_nfsservctl
31e31b8a 7605 case TARGET_NR_nfsservctl:
5cd4393b 7606 goto unimplemented;
e5febef5 7607#endif
31e31b8a 7608 case TARGET_NR_prctl:
1e6722f8
PM		 7609 switch (arg1) {
7610 case PR_GET_PDEATHSIG:
7611 {
7612 int deathsig;
7613 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
7614 if (!is_error(ret) && arg2
7615 && put_user_ual(deathsig, arg2)) {
7616 goto efault;
e5574487 7617 }
1e6722f8
PM		 7618 break;
7619 }
db9526b1
PM		 7620#ifdef PR_GET_NAME
7621 case PR_GET_NAME:
7622 {
7623 void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
7624 if (!name) {
7625 goto efault;
7626 }
7627 ret = get_errno(prctl(arg1, (unsigned long)name,
7628 arg3, arg4, arg5));
7629 unlock_user(name, arg2, 16);
7630 break;
7631 }
7632 case PR_SET_NAME:
7633 {
7634 void *name = lock_user(VERIFY_READ, arg2, 16, 1);
7635 if (!name) {
7636 goto efault;
7637 }
7638 ret = get_errno(prctl(arg1, (unsigned long)name,
7639 arg3, arg4, arg5));
7640 unlock_user(name, arg2, 0);
7641 break;
7642 }
7643#endif
1e6722f8
PM		 7644 default:
7645 /* Most prctl options have no pointer arguments */
7646 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
7647 break;
7648 }
39b9aae1 7649 break;
d2fd1af7
FB		 7650#ifdef TARGET_NR_arch_prctl
7651 case TARGET_NR_arch_prctl:
7652#if defined(TARGET_I386) && !defined(TARGET_ABI32)
7653 ret = do_arch_prctl(cpu_env, arg1, arg2);
7654 break;
7655#else
7656 goto unimplemented;
7657#endif
7658#endif
f2c7ba15
AJ		 7659#ifdef TARGET_NR_pread64
7660 case TARGET_NR_pread64:
ae017a5b
AG		 7661 if (regpairs_aligned(cpu_env)) {
7662 arg4 = arg5;
7663 arg5 = arg6;
7664 }
f2c7ba15
AJ		 7665 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
7666 goto efault;
7667 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
7668 unlock_user(p, arg2, ret);
7669 break;
7670 case TARGET_NR_pwrite64:
ae017a5b
AG		 7671 if (regpairs_aligned(cpu_env)) {
7672 arg4 = arg5;
7673 arg5 = arg6;
7674 }
f2c7ba15
AJ		 7675 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
7676 goto efault;
7677 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
7678 unlock_user(p, arg2, 0);
7679 break;
67867308 7680#endif
31e31b8a 7681 case TARGET_NR_getcwd:
579a97f7
FB		 7682 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
7683 goto efault;
53a5960a
PB		 7684 ret = get_errno(sys_getcwd1(p, arg2));
7685 unlock_user(p, arg1, ret);
31e31b8a
FB		 7686 break;
7687 case TARGET_NR_capget:
5cd4393b 7688 goto unimplemented;
31e31b8a 7689 case TARGET_NR_capset:
5cd4393b 7690 goto unimplemented;
31e31b8a 7691 case TARGET_NR_sigaltstack:
198a74de 7692#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154 7693 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
d962783e 7694 defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC)
9349b4f9 7695 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env));
a04e134a
TS		 7696 break;
7697#else
5cd4393b 7698 goto unimplemented;
a04e134a 7699#endif
a8fd1aba
PM		 7700
7701#ifdef CONFIG_SENDFILE
7702 case TARGET_NR_sendfile:
7703 {
7704 off_t *offp = NULL;
7705 off_t off;
7706 if (arg3) {
7707 ret = get_user_sal(off, arg3);
7708 if (is_error(ret)) {
7709 break;
7710 }
7711 offp = &off;
7712 }
7713 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
7714 if (!is_error(ret) && arg3) {
7715 abi_long ret2 = put_user_sal(off, arg3);
7716 if (is_error(ret2)) {
7717 ret = ret2;
7718 }
7719 }
7720 break;
7721 }
7722#ifdef TARGET_NR_sendfile64
7723 case TARGET_NR_sendfile64:
7724 {
7725 off_t *offp = NULL;
7726 off_t off;
7727 if (arg3) {
7728 ret = get_user_s64(off, arg3);
7729 if (is_error(ret)) {
7730 break;
7731 }
7732 offp = &off;
7733 }
7734 ret = get_errno(sendfile(arg1, arg2, offp, arg4));
7735 if (!is_error(ret) && arg3) {
7736 abi_long ret2 = put_user_s64(off, arg3);
7737 if (is_error(ret2)) {
7738 ret = ret2;
7739 }
7740 }
7741 break;
7742 }
7743#endif
7744#else
31e31b8a 7745 case TARGET_NR_sendfile:
7edd2cf1 7746#ifdef TARGET_NR_sendfile64
a8fd1aba
PM		 7747 case TARGET_NR_sendfile64:
7748#endif
5cd4393b 7749 goto unimplemented;
a8fd1aba
PM		 7750#endif
7751
ebc05488 7752#ifdef TARGET_NR_getpmsg
31e31b8a 7753 case TARGET_NR_getpmsg:
5cd4393b 7754 goto unimplemented;
ebc05488
FB		 7755#endif
7756#ifdef TARGET_NR_putpmsg
31e31b8a 7757 case TARGET_NR_putpmsg:
5cd4393b 7758 goto unimplemented;
ebc05488 7759#endif
048f6b4d 7760#ifdef TARGET_NR_vfork
31e31b8a 7761 case TARGET_NR_vfork:
d865bab5
PB		 7762 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
7763 0, 0, 0, 0));
31e31b8a 7764 break;
048f6b4d 7765#endif
ebc05488 7766#ifdef TARGET_NR_ugetrlimit
31e31b8a 7767 case TARGET_NR_ugetrlimit:
728584be
FB		 7768 {
7769 struct rlimit rlim;
e22b7015
WT		 7770 int resource = target_to_host_resource(arg1);
7771 ret = get_errno(getrlimit(resource, &rlim));
728584be 7772 if (!is_error(ret)) {
53a5960a 7773 struct target_rlimit *target_rlim;
579a97f7
FB		 7774 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
7775 goto efault;
81bbe906
TY		 7776 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
7777 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 7778 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 7779 }
7780 break;
7781 }
ebc05488 7782#endif
a315a145 7783#ifdef TARGET_NR_truncate64
31e31b8a 7784 case TARGET_NR_truncate64:
579a97f7
FB		 7785 if (!(p = lock_user_string(arg1)))
7786 goto efault;
53a5960a
PB		 7787 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
7788 unlock_user(p, arg1, 0);
667f38b1 7789 break;
a315a145
FB		 7790#endif
7791#ifdef TARGET_NR_ftruncate64
31e31b8a 7792 case TARGET_NR_ftruncate64:
ce4defa0 7793 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 7794 break;
a315a145
FB		 7795#endif
7796#ifdef TARGET_NR_stat64
31e31b8a 7797 case TARGET_NR_stat64:
579a97f7
FB		 7798 if (!(p = lock_user_string(arg1)))
7799 goto efault;
53a5960a
PB		 7800 ret = get_errno(stat(path(p), &st));
7801 unlock_user(p, arg1, 0);
6a24a778
AZ		 7802 if (!is_error(ret))
7803 ret = host_to_target_stat64(cpu_env, arg2, &st);
7804 break;
a315a145
FB		 7805#endif
7806#ifdef TARGET_NR_lstat64
31e31b8a 7807 case TARGET_NR_lstat64:
579a97f7
FB		 7808 if (!(p = lock_user_string(arg1)))
7809 goto efault;
53a5960a
PB		 7810 ret = get_errno(lstat(path(p), &st));
7811 unlock_user(p, arg1, 0);
6a24a778
AZ		 7812 if (!is_error(ret))
7813 ret = host_to_target_stat64(cpu_env, arg2, &st);
7814 break;
a315a145
FB		 7815#endif
7816#ifdef TARGET_NR_fstat64
31e31b8a 7817 case TARGET_NR_fstat64:
6a24a778
AZ		 7818 ret = get_errno(fstat(arg1, &st));
7819 if (!is_error(ret))
7820 ret = host_to_target_stat64(cpu_env, arg2, &st);
7821 break;
ce4defa0 7822#endif
c0d472b1 7823#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
9d33b76b 7824#ifdef TARGET_NR_fstatat64
6a24a778 7825 case TARGET_NR_fstatat64:
9d33b76b
AJ		 7826#endif
7827#ifdef TARGET_NR_newfstatat
7828 case TARGET_NR_newfstatat:
7829#endif
6a24a778
AZ		 7830 if (!(p = lock_user_string(arg2)))
7831 goto efault;
c0d472b1 7832 ret = get_errno(fstatat(arg1, path(p), &st, arg4));
6a24a778
AZ		 7833 if (!is_error(ret))
7834 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 7835 break;
a315a145 7836#endif
67867308 7837 case TARGET_NR_lchown:
579a97f7
FB		 7838 if (!(p = lock_user_string(arg1)))
7839 goto efault;
53a5960a
PB		 7840 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
7841 unlock_user(p, arg1, 0);
67867308 7842 break;
0c866a7e 7843#ifdef TARGET_NR_getuid
67867308
FB		 7844 case TARGET_NR_getuid:
7845 ret = get_errno(high2lowuid(getuid()));
7846 break;
0c866a7e
RV		 7847#endif
7848#ifdef TARGET_NR_getgid
67867308
FB		 7849 case TARGET_NR_getgid:
7850 ret = get_errno(high2lowgid(getgid()));
7851 break;
0c866a7e
RV		 7852#endif
7853#ifdef TARGET_NR_geteuid
67867308
FB		 7854 case TARGET_NR_geteuid:
7855 ret = get_errno(high2lowuid(geteuid()));
7856 break;
0c866a7e
RV		 7857#endif
7858#ifdef TARGET_NR_getegid
67867308
FB		 7859 case TARGET_NR_getegid:
7860 ret = get_errno(high2lowgid(getegid()));
7861 break;
0c866a7e 7862#endif
67867308
FB		 7863 case TARGET_NR_setreuid:
7864 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
7865 break;
7866 case TARGET_NR_setregid:
7867 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
7868 break;
7869 case TARGET_NR_getgroups:
7870 {
7871 int gidsetsize = arg1;
0c866a7e 7872 target_id *target_grouplist;
67867308
FB		 7873 gid_t *grouplist;
7874 int i;
7875
7876 grouplist = alloca(gidsetsize * sizeof(gid_t));
7877 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 7878 if (gidsetsize == 0)
7879 break;
67867308 7880 if (!is_error(ret)) {
03903ffc 7881 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
579a97f7
FB		 7882 if (!target_grouplist)
7883 goto efault;
a2155fcc 7884 for(i = 0;i < ret; i++)
0c866a7e 7885 target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
03903ffc 7886 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
67867308
FB		 7887 }
7888 }
7889 break;
7890 case TARGET_NR_setgroups:
7891 {
7892 int gidsetsize = arg1;
0c866a7e 7893 target_id *target_grouplist;
f2b79ce9 7894 gid_t *grouplist = NULL;
67867308 7895 int i;
f2b79ce9
DA		 7896 if (gidsetsize) {
7897 grouplist = alloca(gidsetsize * sizeof(gid_t));
03903ffc 7898 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1);
f2b79ce9
DA		 7899 if (!target_grouplist) {
7900 ret = -TARGET_EFAULT;
7901 goto fail;
7902 }
7903 for (i = 0; i < gidsetsize; i++) {
7904 grouplist[i] = low2highgid(tswapid(target_grouplist[i]));
7905 }
7906 unlock_user(target_grouplist, arg2, 0);
579a97f7 7907 }
67867308
FB		 7908 ret = get_errno(setgroups(gidsetsize, grouplist));
7909 }
7910 break;
7911 case TARGET_NR_fchown:
7912 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
7913 break;
c0d472b1 7914#if defined(TARGET_NR_fchownat)
ccfa72b7 7915 case TARGET_NR_fchownat:
579a97f7
FB		 7916 if (!(p = lock_user_string(arg2)))
7917 goto efault;
c0d472b1
PM		 7918 ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
7919 low2highgid(arg4), arg5));
579a97f7 7920 unlock_user(p, arg2, 0);
ccfa72b7
TS		 7921 break;
7922#endif
67867308
FB		 7923#ifdef TARGET_NR_setresuid
7924 case TARGET_NR_setresuid:
5fafdf24
TS		 7925 ret = get_errno(setresuid(low2highuid(arg1),
7926 low2highuid(arg2),
67867308
FB		 7927 low2highuid(arg3)));
7928 break;
7929#endif
7930#ifdef TARGET_NR_getresuid
7931 case TARGET_NR_getresuid:
7932 {
53a5960a 7933 uid_t ruid, euid, suid;
67867308
FB		 7934 ret = get_errno(getresuid(&ruid, &euid, &suid));
7935 if (!is_error(ret)) {
2f619698
FB		 7936 if (put_user_u16(high2lowuid(ruid), arg1)
7937 || put_user_u16(high2lowuid(euid), arg2)
7938 || put_user_u16(high2lowuid(suid), arg3))
7939 goto efault;
67867308
FB		 7940 }
7941 }
7942 break;
7943#endif
7944#ifdef TARGET_NR_getresgid
7945 case TARGET_NR_setresgid:
5fafdf24
TS		 7946 ret = get_errno(setresgid(low2highgid(arg1),
7947 low2highgid(arg2),
67867308
FB		 7948 low2highgid(arg3)));
7949 break;
7950#endif
7951#ifdef TARGET_NR_getresgid
7952 case TARGET_NR_getresgid:
7953 {
53a5960a 7954 gid_t rgid, egid, sgid;
67867308
FB		 7955 ret = get_errno(getresgid(&rgid, &egid, &sgid));
7956 if (!is_error(ret)) {
2f619698
FB		 7957 if (put_user_u16(high2lowgid(rgid), arg1)
7958 || put_user_u16(high2lowgid(egid), arg2)
7959 || put_user_u16(high2lowgid(sgid), arg3))
7960 goto efault;
67867308
FB		 7961 }
7962 }
7963 break;
7964#endif
7965 case TARGET_NR_chown:
579a97f7
FB		 7966 if (!(p = lock_user_string(arg1)))
7967 goto efault;
53a5960a
PB		 7968 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
7969 unlock_user(p, arg1, 0);
67867308
FB		 7970 break;
7971 case TARGET_NR_setuid:
7972 ret = get_errno(setuid(low2highuid(arg1)));
7973 break;
7974 case TARGET_NR_setgid:
7975 ret = get_errno(setgid(low2highgid(arg1)));
7976 break;
7977 case TARGET_NR_setfsuid:
7978 ret = get_errno(setfsuid(arg1));
7979 break;
7980 case TARGET_NR_setfsgid:
7981 ret = get_errno(setfsgid(arg1));
7982 break;
67867308 7983
a315a145 7984#ifdef TARGET_NR_lchown32
31e31b8a 7985 case TARGET_NR_lchown32:
579a97f7
FB		 7986 if (!(p = lock_user_string(arg1)))
7987 goto efault;
53a5960a
PB		 7988 ret = get_errno(lchown(p, arg2, arg3));
7989 unlock_user(p, arg1, 0);
b03c60f3 7990 break;
a315a145
FB		 7991#endif
7992#ifdef TARGET_NR_getuid32
31e31b8a 7993 case TARGET_NR_getuid32:
b03c60f3
FB		 7994 ret = get_errno(getuid());
7995 break;
a315a145 7996#endif
64b4d28c
AJ		 7997
7998#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
7999 /* Alpha specific */
8000 case TARGET_NR_getxuid:
ba0e276d
RH		 8001 {
8002 uid_t euid;
8003 euid=geteuid();
8004 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
8005 }
64b4d28c
AJ		 8006 ret = get_errno(getuid());
8007 break;
8008#endif
8009#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
8010 /* Alpha specific */
8011 case TARGET_NR_getxgid:
ba0e276d
RH		 8012 {
8013 uid_t egid;
8014 egid=getegid();
8015 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
8016 }
64b4d28c
AJ		 8017 ret = get_errno(getgid());
8018 break;
8019#endif
ba0e276d
RH		 8020#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
8021 /* Alpha specific */
8022 case TARGET_NR_osf_getsysinfo:
8023 ret = -TARGET_EOPNOTSUPP;
8024 switch (arg1) {
8025 case TARGET_GSI_IEEE_FP_CONTROL:
8026 {
8027 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
8028
8029 /* Copied from linux ieee_fpcr_to_swcr. */
8030 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
8031 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
8032 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
8033 | SWCR_TRAP_ENABLE_DZE
8034 | SWCR_TRAP_ENABLE_OVF);
8035 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
8036 | SWCR_TRAP_ENABLE_INE);
8037 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
8038 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
8039
8040 if (put_user_u64 (swcr, arg2))
8041 goto efault;
8042 ret = 0;
8043 }
8044 break;
8045
8046 /* case GSI_IEEE_STATE_AT_SIGNAL:
8047 -- Not implemented in linux kernel.
8048 case GSI_UACPROC:
8049 -- Retrieves current unaligned access state; not much used.
8050 case GSI_PROC_TYPE:
8051 -- Retrieves implver information; surely not used.
8052 case GSI_GET_HWRPB:
8053 -- Grabs a copy of the HWRPB; surely not used.
8054 */
8055 }
8056 break;
8057#endif
8058#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
8059 /* Alpha specific */
8060 case TARGET_NR_osf_setsysinfo:
8061 ret = -TARGET_EOPNOTSUPP;
8062 switch (arg1) {
8063 case TARGET_SSI_IEEE_FP_CONTROL:
ba0e276d
RH		 8064 {
8065 uint64_t swcr, fpcr, orig_fpcr;
8066
6e06d515 8067 if (get_user_u64 (swcr, arg2)) {
ba0e276d 8068 goto efault;
6e06d515
RH		 8069 }
8070 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d
RH		 8071 fpcr = orig_fpcr & FPCR_DYN_MASK;
8072
8073 /* Copied from linux ieee_swcr_to_fpcr. */
8074 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
8075 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
8076 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
8077 | SWCR_TRAP_ENABLE_DZE
8078 | SWCR_TRAP_ENABLE_OVF)) << 48;
8079 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
8080 | SWCR_TRAP_ENABLE_INE)) << 57;
8081 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
8082 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
8083
6e06d515 8084 cpu_alpha_store_fpcr(cpu_env, fpcr);
ba0e276d 8085 ret = 0;
6e06d515
RH		 8086 }
8087 break;
8088
8089 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
8090 {
8091 uint64_t exc, fpcr, orig_fpcr;
8092 int si_code;
8093
8094 if (get_user_u64(exc, arg2)) {
8095 goto efault;
8096 }
ba0e276d 8097
6e06d515 8098 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
ba0e276d 8099
6e06d515
RH		 8100 /* We only add to the exception status here. */
8101 fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
8102
8103 cpu_alpha_store_fpcr(cpu_env, fpcr);
8104 ret = 0;
8105
8106 /* Old exceptions are not signaled. */
8107 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
8108
8109 /* If any exceptions set by this call,
8110 and are unmasked, send a signal. */
8111 si_code = 0;
8112 if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
8113 si_code = TARGET_FPE_FLTRES;
8114 }
8115 if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
8116 si_code = TARGET_FPE_FLTUND;
8117 }
8118 if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
8119 si_code = TARGET_FPE_FLTOVF;
8120 }
8121 if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
8122 si_code = TARGET_FPE_FLTDIV;
8123 }
8124 if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
8125 si_code = TARGET_FPE_FLTINV;
8126 }
8127 if (si_code != 0) {
8128 target_siginfo_t info;
8129 info.si_signo = SIGFPE;
8130 info.si_errno = 0;
8131 info.si_code = si_code;
8132 info._sifields._sigfault._addr
8133 = ((CPUArchState *)cpu_env)->pc;
8134 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
ba0e276d
RH		 8135 }
8136 }
8137 break;
8138
8139 /* case SSI_NVPAIRS:
8140 -- Used with SSIN_UACPROC to enable unaligned accesses.
8141 case SSI_IEEE_STATE_AT_SIGNAL:
8142 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
8143 -- Not implemented in linux kernel
8144 */
8145 }
8146 break;
8147#endif
8148#ifdef TARGET_NR_osf_sigprocmask
8149 /* Alpha specific. */
8150 case TARGET_NR_osf_sigprocmask:
8151 {
8152 abi_ulong mask;
bc088ba1 8153 int how;
ba0e276d
RH		 8154 sigset_t set, oldset;
8155
8156 switch(arg1) {
8157 case TARGET_SIG_BLOCK:
8158 how = SIG_BLOCK;
8159 break;
8160 case TARGET_SIG_UNBLOCK:
8161 how = SIG_UNBLOCK;
8162 break;
8163 case TARGET_SIG_SETMASK:
8164 how = SIG_SETMASK;
8165 break;
8166 default:
8167 ret = -TARGET_EINVAL;
8168 goto fail;
8169 }
8170 mask = arg2;
8171 target_to_host_old_sigset(&set, &mask);
bc088ba1 8172 sigprocmask(how, &set, &oldset);
ba0e276d
RH		 8173 host_to_target_old_sigset(&mask, &oldset);
8174 ret = mask;
8175 }
8176 break;
8177#endif
64b4d28c 8178
a315a145 8179#ifdef TARGET_NR_getgid32
31e31b8a 8180 case TARGET_NR_getgid32:
b03c60f3
FB		 8181 ret = get_errno(getgid());
8182 break;
a315a145
FB		 8183#endif
8184#ifdef TARGET_NR_geteuid32
31e31b8a 8185 case TARGET_NR_geteuid32:
b03c60f3
FB		 8186 ret = get_errno(geteuid());
8187 break;
a315a145
FB		 8188#endif
8189#ifdef TARGET_NR_getegid32
31e31b8a 8190 case TARGET_NR_getegid32:
b03c60f3
FB		 8191 ret = get_errno(getegid());
8192 break;
a315a145
FB		 8193#endif
8194#ifdef TARGET_NR_setreuid32
31e31b8a 8195 case TARGET_NR_setreuid32:
b03c60f3
FB		 8196 ret = get_errno(setreuid(arg1, arg2));
8197 break;
a315a145
FB		 8198#endif
8199#ifdef TARGET_NR_setregid32
31e31b8a 8200 case TARGET_NR_setregid32:
b03c60f3
FB		 8201 ret = get_errno(setregid(arg1, arg2));
8202 break;
a315a145
FB		 8203#endif
8204#ifdef TARGET_NR_getgroups32
31e31b8a 8205 case TARGET_NR_getgroups32:
99c475ab
FB		 8206 {
8207 int gidsetsize = arg1;
53a5960a 8208 uint32_t *target_grouplist;
99c475ab
FB		 8209 gid_t *grouplist;
8210 int i;
8211
8212 grouplist = alloca(gidsetsize * sizeof(gid_t));
8213 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 8214 if (gidsetsize == 0)
8215 break;
99c475ab 8216 if (!is_error(ret)) {
579a97f7
FB		 8217 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
8218 if (!target_grouplist) {
8219 ret = -TARGET_EFAULT;
8220 goto fail;
8221 }
a2155fcc 8222 for(i = 0;i < ret; i++)
53a5960a
PB		 8223 target_grouplist[i] = tswap32(grouplist[i]);
8224 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 8225 }
8226 }
8227 break;
a315a145
FB		 8228#endif
8229#ifdef TARGET_NR_setgroups32
31e31b8a 8230 case TARGET_NR_setgroups32:
99c475ab
FB		 8231 {
8232 int gidsetsize = arg1;
53a5960a 8233 uint32_t *target_grouplist;
99c475ab
FB		 8234 gid_t *grouplist;
8235 int i;
3b46e624 8236
99c475ab 8237 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 8238 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
8239 if (!target_grouplist) {
8240 ret = -TARGET_EFAULT;
8241 goto fail;
8242 }
99c475ab 8243 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 8244 grouplist[i] = tswap32(target_grouplist[i]);
8245 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 8246 ret = get_errno(setgroups(gidsetsize, grouplist));
8247 }
8248 break;
a315a145
FB		 8249#endif
8250#ifdef TARGET_NR_fchown32
31e31b8a 8251 case TARGET_NR_fchown32:
b03c60f3
FB		 8252 ret = get_errno(fchown(arg1, arg2, arg3));
8253 break;
a315a145
FB		 8254#endif
8255#ifdef TARGET_NR_setresuid32
31e31b8a 8256 case TARGET_NR_setresuid32:
b03c60f3
FB		 8257 ret = get_errno(setresuid(arg1, arg2, arg3));
8258 break;
a315a145
FB		 8259#endif
8260#ifdef TARGET_NR_getresuid32
31e31b8a 8261 case TARGET_NR_getresuid32:
b03c60f3 8262 {
53a5960a 8263 uid_t ruid, euid, suid;
b03c60f3
FB		 8264 ret = get_errno(getresuid(&ruid, &euid, &suid));
8265 if (!is_error(ret)) {
2f619698
FB		 8266 if (put_user_u32(ruid, arg1)
8267 || put_user_u32(euid, arg2)
8268 || put_user_u32(suid, arg3))
8269 goto efault;
b03c60f3
FB		 8270 }
8271 }
8272 break;
a315a145
FB		 8273#endif
8274#ifdef TARGET_NR_setresgid32
31e31b8a 8275 case TARGET_NR_setresgid32:
b03c60f3
FB		 8276 ret = get_errno(setresgid(arg1, arg2, arg3));
8277 break;
a315a145
FB		 8278#endif
8279#ifdef TARGET_NR_getresgid32
31e31b8a 8280 case TARGET_NR_getresgid32:
b03c60f3 8281 {
53a5960a 8282 gid_t rgid, egid, sgid;
b03c60f3
FB		 8283 ret = get_errno(getresgid(&rgid, &egid, &sgid));
8284 if (!is_error(ret)) {
2f619698
FB		 8285 if (put_user_u32(rgid, arg1)
8286 || put_user_u32(egid, arg2)
8287 || put_user_u32(sgid, arg3))
8288 goto efault;
b03c60f3
FB		 8289 }
8290 }
8291 break;
a315a145
FB		 8292#endif
8293#ifdef TARGET_NR_chown32
31e31b8a 8294 case TARGET_NR_chown32:
579a97f7
FB		 8295 if (!(p = lock_user_string(arg1)))
8296 goto efault;
53a5960a
PB		 8297 ret = get_errno(chown(p, arg2, arg3));
8298 unlock_user(p, arg1, 0);
b03c60f3 8299 break;
a315a145
FB		 8300#endif
8301#ifdef TARGET_NR_setuid32
31e31b8a 8302 case TARGET_NR_setuid32:
b03c60f3
FB		 8303 ret = get_errno(setuid(arg1));
8304 break;
a315a145
FB		 8305#endif
8306#ifdef TARGET_NR_setgid32
31e31b8a 8307 case TARGET_NR_setgid32:
b03c60f3
FB		 8308 ret = get_errno(setgid(arg1));
8309 break;
a315a145
FB		 8310#endif
8311#ifdef TARGET_NR_setfsuid32
31e31b8a 8312 case TARGET_NR_setfsuid32:
b03c60f3
FB		 8313 ret = get_errno(setfsuid(arg1));
8314 break;
a315a145
FB		 8315#endif
8316#ifdef TARGET_NR_setfsgid32
31e31b8a 8317 case TARGET_NR_setfsgid32:
b03c60f3
FB		 8318 ret = get_errno(setfsgid(arg1));
8319 break;
a315a145 8320#endif
67867308 8321
31e31b8a 8322 case TARGET_NR_pivot_root:
b03c60f3 8323 goto unimplemented;
ffa65c3b 8324#ifdef TARGET_NR_mincore
31e31b8a 8325 case TARGET_NR_mincore:
04bb9ace
AJ		 8326 {
8327 void *a;
8328 ret = -TARGET_EFAULT;
8329 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
8330 goto efault;
8331 if (!(p = lock_user_string(arg3)))
8332 goto mincore_fail;
8333 ret = get_errno(mincore(a, arg2, p));
8334 unlock_user(p, arg3, ret);
8335 mincore_fail:
8336 unlock_user(a, arg1, 0);
8337 }
8338 break;
ffa65c3b 8339#endif
408321b6
AJ		 8340#ifdef TARGET_NR_arm_fadvise64_64
8341 case TARGET_NR_arm_fadvise64_64:
8342 {
8343 /*
8344 * arm_fadvise64_64 looks like fadvise64_64 but
8345 * with different argument order
8346 */
8347 abi_long temp;
8348 temp = arg3;
8349 arg3 = arg4;
8350 arg4 = temp;
8351 }
8352#endif
e72d2cc7 8353#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 8354#ifdef TARGET_NR_fadvise64_64
8355 case TARGET_NR_fadvise64_64:
8356#endif
e72d2cc7
UH		 8357#ifdef TARGET_NR_fadvise64
8358 case TARGET_NR_fadvise64:
8359#endif
8360#ifdef TARGET_S390X
8361 switch (arg4) {
8362 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
8363 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
8364 case 6: arg4 = POSIX_FADV_DONTNEED; break;
8365 case 7: arg4 = POSIX_FADV_NOREUSE; break;
8366 default: break;
8367 }
8368#endif
8369 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 8370 break;
8371#endif
ffa65c3b 8372#ifdef TARGET_NR_madvise
31e31b8a 8373 case TARGET_NR_madvise:
24836689 8374 /* A straight passthrough may not be safe because qemu sometimes
d2d6b857 8375 turns private file-backed mappings into anonymous mappings.
24836689
PB		 8376 This will break MADV_DONTNEED.
8377 This is a hint, so ignoring and returning success is ok. */
8378 ret = get_errno(0);
8379 break;
ffa65c3b 8380#endif
992f48a0 8381#if TARGET_ABI_BITS == 32
31e31b8a 8382 case TARGET_NR_fcntl64:
77e4672d 8383 {
b1e341eb 8384 int cmd;
77e4672d 8385 struct flock64 fl;
53a5960a 8386 struct target_flock64 *target_fl;
ce4defa0 8387#ifdef TARGET_ARM
53a5960a 8388 struct target_eabi_flock64 *target_efl;
ce4defa0 8389#endif
77e4672d 8390
5f106811 8391 cmd = target_to_host_fcntl_cmd(arg2);
31b63193
PM		 8392 if (cmd == -TARGET_EINVAL) {
8393 ret = cmd;
8394 break;
8395 }
b1e341eb 8396
60cd49d5 8397 switch(arg2) {
b1e341eb 8398 case TARGET_F_GETLK64:
5813427b
TS		 8399#ifdef TARGET_ARM
8400 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8401 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8402 goto efault;
5813427b
TS		 8403 fl.l_type = tswap16(target_efl->l_type);
8404 fl.l_whence = tswap16(target_efl->l_whence);
8405 fl.l_start = tswap64(target_efl->l_start);
8406 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8407 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 8408 unlock_user_struct(target_efl, arg3, 0);
8409 } else
8410#endif
8411 {
9ee1fa2c
FB		 8412 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8413 goto efault;
5813427b
TS		 8414 fl.l_type = tswap16(target_fl->l_type);
8415 fl.l_whence = tswap16(target_fl->l_whence);
8416 fl.l_start = tswap64(target_fl->l_start);
8417 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8418 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 8419 unlock_user_struct(target_fl, arg3, 0);
8420 }
b1e341eb 8421 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8422 if (ret == 0) {
ce4defa0
PB		 8423#ifdef TARGET_ARM
8424 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8425 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
8426 goto efault;
ce4defa0
PB		 8427 target_efl->l_type = tswap16(fl.l_type);
8428 target_efl->l_whence = tswap16(fl.l_whence);
8429 target_efl->l_start = tswap64(fl.l_start);
8430 target_efl->l_len = tswap64(fl.l_len);
7e22e546 8431 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 8432 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 8433 } else
8434#endif
8435 {
9ee1fa2c
FB		 8436 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
8437 goto efault;
ce4defa0
PB		 8438 target_fl->l_type = tswap16(fl.l_type);
8439 target_fl->l_whence = tswap16(fl.l_whence);
8440 target_fl->l_start = tswap64(fl.l_start);
8441 target_fl->l_len = tswap64(fl.l_len);
7e22e546 8442 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 8443 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 8444 }
77e4672d
FB		 8445 }
8446 break;
8447
b1e341eb
TS		 8448 case TARGET_F_SETLK64:
8449 case TARGET_F_SETLKW64:
ce4defa0
PB		 8450#ifdef TARGET_ARM
8451 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 8452 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
8453 goto efault;
ce4defa0
PB		 8454 fl.l_type = tswap16(target_efl->l_type);
8455 fl.l_whence = tswap16(target_efl->l_whence);
8456 fl.l_start = tswap64(target_efl->l_start);
8457 fl.l_len = tswap64(target_efl->l_len);
7e22e546 8458 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 8459 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 8460 } else
8461#endif
8462 {
9ee1fa2c
FB		 8463 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
8464 goto efault;
ce4defa0
PB		 8465 fl.l_type = tswap16(target_fl->l_type);
8466 fl.l_whence = tswap16(target_fl->l_whence);
8467 fl.l_start = tswap64(target_fl->l_start);
8468 fl.l_len = tswap64(target_fl->l_len);
7e22e546 8469 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 8470 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 8471 }
b1e341eb 8472 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 8473 break;
60cd49d5 8474 default:
5f106811 8475 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 8476 break;
8477 }
77e4672d
FB		 8478 break;
8479 }
60cd49d5 8480#endif
7d600c80
TS		 8481#ifdef TARGET_NR_cacheflush
8482 case TARGET_NR_cacheflush:
8483 /* self-modifying code is handled automatically, so nothing needed */
8484 ret = 0;
8485 break;
8486#endif
ebc05488 8487#ifdef TARGET_NR_security
31e31b8a
FB		 8488 case TARGET_NR_security:
8489 goto unimplemented;
c573ff67
FB		 8490#endif
8491#ifdef TARGET_NR_getpagesize
8492 case TARGET_NR_getpagesize:
8493 ret = TARGET_PAGE_SIZE;
8494 break;
ebc05488 8495#endif
31e31b8a
FB		 8496 case TARGET_NR_gettid:
8497 ret = get_errno(gettid());
8498 break;
e5febef5 8499#ifdef TARGET_NR_readahead
31e31b8a 8500 case TARGET_NR_readahead:
2054ac9b 8501#if TARGET_ABI_BITS == 32
48e515d4 8502 if (regpairs_aligned(cpu_env)) {
2054ac9b
AJ		 8503 arg2 = arg3;
8504 arg3 = arg4;
8505 arg4 = arg5;
8506 }
2054ac9b
AJ		 8507 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
8508#else
8509 ret = get_errno(readahead(arg1, arg2, arg3));
8510#endif
8511 break;
e5febef5 8512#endif
a790ae38 8513#ifdef CONFIG_ATTR
ebc05488 8514#ifdef TARGET_NR_setxattr
31e31b8a
FB		 8515 case TARGET_NR_listxattr:
8516 case TARGET_NR_llistxattr:
fb5590f7
PM		 8517 {
8518 void *p, *b = 0;
8519 if (arg2) {
8520 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8521 if (!b) {
8522 ret = -TARGET_EFAULT;
8523 break;
8524 }
8525 }
8526 p = lock_user_string(arg1);
8527 if (p) {
8528 if (num == TARGET_NR_listxattr) {
8529 ret = get_errno(listxattr(p, b, arg3));
8530 } else {
8531 ret = get_errno(llistxattr(p, b, arg3));
8532 }
8533 } else {
8534 ret = -TARGET_EFAULT;
8535 }
8536 unlock_user(p, arg1, 0);
8537 unlock_user(b, arg2, arg3);
8538 break;
8539 }
31e31b8a 8540 case TARGET_NR_flistxattr:
fb5590f7
PM		 8541 {
8542 void *b = 0;
8543 if (arg2) {
8544 b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
8545 if (!b) {
8546 ret = -TARGET_EFAULT;
8547 break;
8548 }
8549 }
8550 ret = get_errno(flistxattr(arg1, b, arg3));
8551 unlock_user(b, arg2, arg3);
6f932f91 8552 break;
fb5590f7 8553 }
a790ae38 8554 case TARGET_NR_setxattr:
30297b55 8555 case TARGET_NR_lsetxattr:
a790ae38 8556 {
e3c33ec6
PM		 8557 void *p, *n, *v = 0;
8558 if (arg3) {
8559 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8560 if (!v) {
8561 ret = -TARGET_EFAULT;
8562 break;
8563 }
8564 }
a790ae38
ACH		 8565 p = lock_user_string(arg1);
8566 n = lock_user_string(arg2);
e3c33ec6 8567 if (p && n) {
30297b55
PM		 8568 if (num == TARGET_NR_setxattr) {
8569 ret = get_errno(setxattr(p, n, v, arg4, arg5));
8570 } else {
8571 ret = get_errno(lsetxattr(p, n, v, arg4, arg5));
8572 }
a790ae38
ACH		 8573 } else {
8574 ret = -TARGET_EFAULT;
8575 }
8576 unlock_user(p, arg1, 0);
8577 unlock_user(n, arg2, 0);
8578 unlock_user(v, arg3, 0);
8579 }
8580 break;
30297b55
PM		 8581 case TARGET_NR_fsetxattr:
8582 {
8583 void *n, *v = 0;
8584 if (arg3) {
8585 v = lock_user(VERIFY_READ, arg3, arg4, 1);
8586 if (!v) {
8587 ret = -TARGET_EFAULT;
8588 break;
8589 }
8590 }
8591 n = lock_user_string(arg2);
8592 if (n) {
8593 ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5));
8594 } else {
8595 ret = -TARGET_EFAULT;
8596 }
8597 unlock_user(n, arg2, 0);
8598 unlock_user(v, arg3, 0);
8599 }
8600 break;
a790ae38 8601 case TARGET_NR_getxattr:
30297b55 8602 case TARGET_NR_lgetxattr:
a790ae38 8603 {
e3c33ec6
PM		 8604 void *p, *n, *v = 0;
8605 if (arg3) {
8606 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8607 if (!v) {
8608 ret = -TARGET_EFAULT;
8609 break;
8610 }
8611 }
a790ae38
ACH		 8612 p = lock_user_string(arg1);
8613 n = lock_user_string(arg2);
e3c33ec6 8614 if (p && n) {
30297b55
PM		 8615 if (num == TARGET_NR_getxattr) {
8616 ret = get_errno(getxattr(p, n, v, arg4));
8617 } else {
8618 ret = get_errno(lgetxattr(p, n, v, arg4));
8619 }
a790ae38
ACH		 8620 } else {
8621 ret = -TARGET_EFAULT;
8622 }
8623 unlock_user(p, arg1, 0);
8624 unlock_user(n, arg2, 0);
8625 unlock_user(v, arg3, arg4);
8626 }
8627 break;
30297b55
PM		 8628 case TARGET_NR_fgetxattr:
8629 {
8630 void *n, *v = 0;
8631 if (arg3) {
8632 v = lock_user(VERIFY_WRITE, arg3, arg4, 0);
8633 if (!v) {
8634 ret = -TARGET_EFAULT;
8635 break;
8636 }
8637 }
8638 n = lock_user_string(arg2);
8639 if (n) {
8640 ret = get_errno(fgetxattr(arg1, n, v, arg4));
8641 } else {
8642 ret = -TARGET_EFAULT;
8643 }
8644 unlock_user(n, arg2, 0);
8645 unlock_user(v, arg3, arg4);
8646 }
8647 break;
a790ae38 8648 case TARGET_NR_removexattr:
30297b55 8649 case TARGET_NR_lremovexattr:
a790ae38
ACH		 8650 {
8651 void *p, *n;
8652 p = lock_user_string(arg1);
8653 n = lock_user_string(arg2);
8654 if (p && n) {
30297b55
PM		 8655 if (num == TARGET_NR_removexattr) {
8656 ret = get_errno(removexattr(p, n));
8657 } else {
8658 ret = get_errno(lremovexattr(p, n));
8659 }
a790ae38
ACH		 8660 } else {
8661 ret = -TARGET_EFAULT;
8662 }
8663 unlock_user(p, arg1, 0);
8664 unlock_user(n, arg2, 0);
8665 }
8666 break;
30297b55
PM		 8667 case TARGET_NR_fremovexattr:
8668 {
8669 void *n;
8670 n = lock_user_string(arg2);
8671 if (n) {
8672 ret = get_errno(fremovexattr(arg1, n));
8673 } else {
8674 ret = -TARGET_EFAULT;
8675 }
8676 unlock_user(n, arg2, 0);
8677 }
8678 break;
ebc05488 8679#endif
a790ae38 8680#endif /* CONFIG_ATTR */
ebc05488 8681#ifdef TARGET_NR_set_thread_area
5cd4393b 8682 case TARGET_NR_set_thread_area:
8d18e893 8683#if defined(TARGET_MIPS)
6f5b89a0
TS		 8684 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
8685 ret = 0;
8686 break;
ef96779b
EI		 8687#elif defined(TARGET_CRIS)
8688 if (arg1 & 0xff)
8689 ret = -TARGET_EINVAL;
8690 else {
8691 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
8692 ret = 0;
8693 }
8694 break;
8d18e893
FB		 8695#elif defined(TARGET_I386) && defined(TARGET_ABI32)
8696 ret = do_set_thread_area(cpu_env, arg1);
8697 break;
1ccd9374
PM		 8698#elif defined(TARGET_M68K)
8699 {
8700 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
8701 ts->tp_value = arg1;
95c1eb19 8702 ret = 0;
1ccd9374
PM		 8703 break;
8704 }
6f5b89a0
TS		 8705#else
8706 goto unimplemented_nowarn;
8707#endif
8708#endif
8709#ifdef TARGET_NR_get_thread_area
5cd4393b 8710 case TARGET_NR_get_thread_area:
8d18e893
FB		 8711#if defined(TARGET_I386) && defined(TARGET_ABI32)
8712 ret = do_get_thread_area(cpu_env, arg1);
d312bbe1 8713 break;
1ccd9374
PM		 8714#elif defined(TARGET_M68K)
8715 {
8716 TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
8717 ret = ts->tp_value;
8718 break;
8719 }
8d18e893 8720#else
5cd4393b 8721 goto unimplemented_nowarn;
48dc41eb 8722#endif
8d18e893 8723#endif
48dc41eb
FB		 8724#ifdef TARGET_NR_getdomainname
8725 case TARGET_NR_getdomainname:
8726 goto unimplemented_nowarn;
ebc05488 8727#endif
6f5b89a0 8728
b5906f95
TS		 8729#ifdef TARGET_NR_clock_gettime
8730 case TARGET_NR_clock_gettime:
8731 {
8732 struct timespec ts;
8733 ret = get_errno(clock_gettime(arg1, &ts));
8734 if (!is_error(ret)) {
8735 host_to_target_timespec(arg2, &ts);
8736 }
8737 break;
8738 }
8739#endif
8740#ifdef TARGET_NR_clock_getres
8741 case TARGET_NR_clock_getres:
8742 {
8743 struct timespec ts;
8744 ret = get_errno(clock_getres(arg1, &ts));
8745 if (!is_error(ret)) {
8746 host_to_target_timespec(arg2, &ts);
8747 }
8748 break;
8749 }
8750#endif
63d7651b
PB		 8751#ifdef TARGET_NR_clock_nanosleep
8752 case TARGET_NR_clock_nanosleep:
8753 {
8754 struct timespec ts;
8755 target_to_host_timespec(&ts, arg3);
8756 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
8757 if (arg4)
8758 host_to_target_timespec(arg4, &ts);
8759 break;
8760 }
8761#endif
b5906f95 8762
6f5b89a0
TS		 8763#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
8764 case TARGET_NR_set_tid_address:
579a97f7
FB		 8765 ret = get_errno(set_tid_address((int *)g2h(arg1)));
8766 break;
6f5b89a0
TS		 8767#endif
8768
3ae43202 8769#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 8770 case TARGET_NR_tkill:
4cb05961 8771 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 8772 break;
8773#endif
8774
3ae43202 8775#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 8776 case TARGET_NR_tgkill:
4cb05961
PB		 8777 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
8778 target_to_host_signal(arg3)));
71455574
TS		 8779 break;
8780#endif
8781
4f2b1fe8
TS		 8782#ifdef TARGET_NR_set_robust_list
8783 case TARGET_NR_set_robust_list:
e9a970a8
PM		 8784 case TARGET_NR_get_robust_list:
8785 /* The ABI for supporting robust futexes has userspace pass
8786 * the kernel a pointer to a linked list which is updated by
8787 * userspace after the syscall; the list is walked by the kernel
8788 * when the thread exits. Since the linked list in QEMU guest
8789 * memory isn't a valid linked list for the host and we have
8790 * no way to reliably intercept the thread-death event, we can't
8791 * support these. Silently return ENOSYS so that guest userspace
8792 * falls back to a non-robust futex implementation (which should
8793 * be OK except in the corner case of the guest crashing while
8794 * holding a mutex that is shared with another process via
8795 * shared memory).
8796 */
8797 goto unimplemented_nowarn;
4f2b1fe8
TS		 8798#endif
8799
1acae9f2 8800#if defined(TARGET_NR_utimensat)
9007f0ef
TS		 8801 case TARGET_NR_utimensat:
8802 {
ebc996f3
RV		 8803 struct timespec *tsp, ts[2];
8804 if (!arg3) {
8805 tsp = NULL;
8806 } else {
8807 target_to_host_timespec(ts, arg3);
8808 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
8809 tsp = ts;
8810 }
9007f0ef 8811 if (!arg2)
ebc996f3 8812 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 8813 else {
579a97f7 8814 if (!(p = lock_user_string(arg2))) {
0da46a6e 8815 ret = -TARGET_EFAULT;
579a97f7
FB		 8816 goto fail;
8817 }
ebc996f3 8818 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 8819 unlock_user(p, arg2, 0);
9007f0ef
TS		 8820 }
8821 }
8822 break;
8823#endif
bd0c5661
PB		 8824 case TARGET_NR_futex:
8825 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
8826 break;
dbfe4c36 8827#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 8828 case TARGET_NR_inotify_init:
8829 ret = get_errno(sys_inotify_init());
8830 break;
8831#endif
a1606b0b 8832#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 8833#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
8834 case TARGET_NR_inotify_init1:
8835 ret = get_errno(sys_inotify_init1(arg1));
8836 break;
8837#endif
a1606b0b 8838#endif
dbfe4c36 8839#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 8840 case TARGET_NR_inotify_add_watch:
8841 p = lock_user_string(arg2);
8842 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
8843 unlock_user(p, arg2, 0);
8844 break;
8845#endif
dbfe4c36 8846#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 8847 case TARGET_NR_inotify_rm_watch:
8848 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
8849 break;
8850#endif
9007f0ef 8851
8ec9cf89 8852#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 8853 case TARGET_NR_mq_open:
8854 {
8855 struct mq_attr posix_mq_attr;
8856
8857 p = lock_user_string(arg1 - 1);
8858 if (arg4 != 0)
8859 copy_from_user_mq_attr (&posix_mq_attr, arg4);
8860 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
8861 unlock_user (p, arg1, 0);
8862 }
8863 break;
8864
8865 case TARGET_NR_mq_unlink:
8866 p = lock_user_string(arg1 - 1);
8867 ret = get_errno(mq_unlink(p));
8868 unlock_user (p, arg1, 0);
8869 break;
8870
8871 case TARGET_NR_mq_timedsend:
8872 {
8873 struct timespec ts;
8874
8875 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8876 if (arg5 != 0) {
8877 target_to_host_timespec(&ts, arg5);
8878 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
8879 host_to_target_timespec(arg5, &ts);
8880 }
8881 else
8882 ret = get_errno(mq_send(arg1, p, arg3, arg4));
8883 unlock_user (p, arg2, arg3);
8884 }
8885 break;
8886
8887 case TARGET_NR_mq_timedreceive:
8888 {
8889 struct timespec ts;
8890 unsigned int prio;
8891
8892 p = lock_user (VERIFY_READ, arg2, arg3, 1);
8893 if (arg5 != 0) {
8894 target_to_host_timespec(&ts, arg5);
8895 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
8896 host_to_target_timespec(arg5, &ts);
8897 }
8898 else
8899 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
8900 unlock_user (p, arg2, arg3);
8901 if (arg4 != 0)
8902 put_user_u32(prio, arg4);
8903 }
8904 break;
8905
8906 /* Not implemented for now... */
8907/* case TARGET_NR_mq_notify: */
8908/* break; */
8909
8910 case TARGET_NR_mq_getsetattr:
8911 {
8912 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
8913 ret = 0;
8914 if (arg3 != 0) {
8915 ret = mq_getattr(arg1, &posix_mq_attr_out);
8916 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
8917 }
8918 if (arg2 != 0) {
8919 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
8920 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
8921 }
8922
8923 }
8924 break;
8925#endif
8926
3ce34dfb
VS		 8927#ifdef CONFIG_SPLICE
8928#ifdef TARGET_NR_tee
8929 case TARGET_NR_tee:
8930 {
8931 ret = get_errno(tee(arg1,arg2,arg3,arg4));
8932 }
8933 break;
8934#endif
8935#ifdef TARGET_NR_splice
8936 case TARGET_NR_splice:
8937 {
8938 loff_t loff_in, loff_out;
8939 loff_t *ploff_in = NULL, *ploff_out = NULL;
8940 if(arg2) {
8941 get_user_u64(loff_in, arg2);
8942 ploff_in = &loff_in;
8943 }
8944 if(arg4) {
8945 get_user_u64(loff_out, arg2);
8946 ploff_out = &loff_out;
8947 }
8948 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
8949 }
8950 break;
8951#endif
8952#ifdef TARGET_NR_vmsplice
8953 case TARGET_NR_vmsplice:
8954 {
f287b2c2
RH		 8955 struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
8956 if (vec != NULL) {
8957 ret = get_errno(vmsplice(arg1, vec, arg3, arg4));
8958 unlock_iovec(vec, arg2, arg3, 0);
8959 } else {
8960 ret = -host_to_target_errno(errno);
8961 }
3ce34dfb
VS		 8962 }
8963 break;
8964#endif
8965#endif /* CONFIG_SPLICE */
c2882b96
RV		 8966#ifdef CONFIG_EVENTFD
8967#if defined(TARGET_NR_eventfd)
8968 case TARGET_NR_eventfd:
8969 ret = get_errno(eventfd(arg1, 0));
8970 break;
8971#endif
8972#if defined(TARGET_NR_eventfd2)
8973 case TARGET_NR_eventfd2:
5947c697
PJ		 8974 {
8975 int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
8976 if (arg2 & TARGET_O_NONBLOCK) {
8977 host_flags |= O_NONBLOCK;
8978 }
8979 if (arg2 & TARGET_O_CLOEXEC) {
8980 host_flags |= O_CLOEXEC;
8981 }
8982 ret = get_errno(eventfd(arg1, host_flags));
c2882b96 8983 break;
5947c697 8984 }
c2882b96
RV		 8985#endif
8986#endif /* CONFIG_EVENTFD */
d0927938
UH		 8987#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
8988 case TARGET_NR_fallocate:
20249ae1
AG		 8989#if TARGET_ABI_BITS == 32
8990 ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
8991 target_offset64(arg5, arg6)));
8992#else
d0927938 8993 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
20249ae1 8994#endif
d0927938 8995 break;
c727f47d
PM		 8996#endif
8997#if defined(CONFIG_SYNC_FILE_RANGE)
8998#if defined(TARGET_NR_sync_file_range)
8999 case TARGET_NR_sync_file_range:
9000#if TARGET_ABI_BITS == 32
bfcedc57
RV		 9001#if defined(TARGET_MIPS)
9002 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
9003 target_offset64(arg5, arg6), arg7));
9004#else
c727f47d
PM		 9005 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
9006 target_offset64(arg4, arg5), arg6));
bfcedc57 9007#endif /* !TARGET_MIPS */
c727f47d
PM		 9008#else
9009 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
9010#endif
9011 break;
9012#endif
9013#if defined(TARGET_NR_sync_file_range2)
9014 case TARGET_NR_sync_file_range2:
9015 /* This is like sync_file_range but the arguments are reordered */
9016#if TARGET_ABI_BITS == 32
9017 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
9018 target_offset64(arg5, arg6), arg2));
9019#else
9020 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
9021#endif
9022 break;
9023#endif
3b6edd16
PM		 9024#endif
9025#if defined(CONFIG_EPOLL)
9026#if defined(TARGET_NR_epoll_create)
9027 case TARGET_NR_epoll_create:
9028 ret = get_errno(epoll_create(arg1));
9029 break;
9030#endif
9031#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
9032 case TARGET_NR_epoll_create1:
9033 ret = get_errno(epoll_create1(arg1));
9034 break;
9035#endif
9036#if defined(TARGET_NR_epoll_ctl)
9037 case TARGET_NR_epoll_ctl:
9038 {
9039 struct epoll_event ep;
9040 struct epoll_event *epp = 0;
9041 if (arg4) {
9042 struct target_epoll_event *target_ep;
9043 if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
9044 goto efault;
9045 }
9046 ep.events = tswap32(target_ep->events);
9047 /* The epoll_data_t union is just opaque data to the kernel,
9048 * so we transfer all 64 bits across and need not worry what
9049 * actual data type it is.
9050 */
9051 ep.data.u64 = tswap64(target_ep->data.u64);
9052 unlock_user_struct(target_ep, arg4, 0);
9053 epp = &ep;
9054 }
9055 ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp));
9056 break;
9057 }
9058#endif
9059
9060#if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
9061#define IMPLEMENT_EPOLL_PWAIT
9062#endif
9063#if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
9064#if defined(TARGET_NR_epoll_wait)
9065 case TARGET_NR_epoll_wait:
9066#endif
9067#if defined(IMPLEMENT_EPOLL_PWAIT)
9068 case TARGET_NR_epoll_pwait:
9069#endif
9070 {
9071 struct target_epoll_event *target_ep;
9072 struct epoll_event *ep;
9073 int epfd = arg1;
9074 int maxevents = arg3;
9075 int timeout = arg4;
9076
9077 target_ep = lock_user(VERIFY_WRITE, arg2,
9078 maxevents * sizeof(struct target_epoll_event), 1);
9079 if (!target_ep) {
9080 goto efault;
9081 }
9082
9083 ep = alloca(maxevents * sizeof(struct epoll_event));
9084
9085 switch (num) {
9086#if defined(IMPLEMENT_EPOLL_PWAIT)
9087 case TARGET_NR_epoll_pwait:
9088 {
9089 target_sigset_t *target_set;
9090 sigset_t _set, *set = &_set;
9091
9092 if (arg5) {
9093 target_set = lock_user(VERIFY_READ, arg5,
9094 sizeof(target_sigset_t), 1);
9095 if (!target_set) {
9096 unlock_user(target_ep, arg2, 0);
9097 goto efault;
9098 }
9099 target_to_host_sigset(set, target_set);
9100 unlock_user(target_set, arg5, 0);
9101 } else {
9102 set = NULL;
9103 }
9104
9105 ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set));
9106 break;
9107 }
9108#endif
9109#if defined(TARGET_NR_epoll_wait)
9110 case TARGET_NR_epoll_wait:
9111 ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout));
9112 break;
9113#endif
9114 default:
9115 ret = -TARGET_ENOSYS;
9116 }
9117 if (!is_error(ret)) {
9118 int i;
9119 for (i = 0; i < ret; i++) {
9120 target_ep[i].events = tswap32(ep[i].events);
9121 target_ep[i].data.u64 = tswap64(ep[i].data.u64);
9122 }
9123 }
9124 unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event));
9125 break;
9126 }
9127#endif
163a05a8
PM		 9128#endif
9129#ifdef TARGET_NR_prlimit64
9130 case TARGET_NR_prlimit64:
9131 {
9132 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
9133 struct target_rlimit64 *target_rnew, *target_rold;
9134 struct host_rlimit64 rnew, rold, *rnewp = 0;
9135 if (arg3) {
9136 if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
9137 goto efault;
9138 }
9139 rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
9140 rnew.rlim_max = tswap64(target_rnew->rlim_max);
9141 unlock_user_struct(target_rnew, arg3, 0);
9142 rnewp = &rnew;
9143 }
9144
9145 ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
9146 if (!is_error(ret) && arg4) {
9147 if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
9148 goto efault;
9149 }
9150 target_rold->rlim_cur = tswap64(rold.rlim_cur);
9151 target_rold->rlim_max = tswap64(rold.rlim_max);
9152 unlock_user_struct(target_rold, arg4, 1);
9153 }
9154 break;
9155 }
3d21d29c
RH		 9156#endif
9157#ifdef TARGET_NR_gethostname
9158 case TARGET_NR_gethostname:
9159 {
9160 char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0);
9161 if (name) {
9162 ret = get_errno(gethostname(name, arg2));
9163 unlock_user(name, arg1, arg2);
9164 } else {
9165 ret = -TARGET_EFAULT;
9166 }
9167 break;
9168 }
89aaf1a6
RV		 9169#endif
9170#ifdef TARGET_NR_atomic_cmpxchg_32
9171 case TARGET_NR_atomic_cmpxchg_32:
9172 {
9173 /* should use start_exclusive from main.c */
9174 abi_ulong mem_value;
9175 if (get_user_u32(mem_value, arg6)) {
9176 target_siginfo_t info;
9177 info.si_signo = SIGSEGV;
9178 info.si_errno = 0;
9179 info.si_code = TARGET_SEGV_MAPERR;
9180 info._sifields._sigfault._addr = arg6;
9181 queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
9182 ret = 0xdeadbeef;
9183
9184 }
9185 if (mem_value == arg2)
9186 put_user_u32(arg1, arg6);
9187 ret = mem_value;
9188 break;
9189 }
9190#endif
9191#ifdef TARGET_NR_atomic_barrier
9192 case TARGET_NR_atomic_barrier:
9193 {
9194 /* Like the kernel implementation and the qemu arm barrier, no-op this? */
9195 break;
9196 }
d0927938 9197#endif
31e31b8a
FB		 9198 default:
9199 unimplemented:
5cd4393b 9200 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 9201#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 9202 unimplemented_nowarn:
80a9d035 9203#endif
0da46a6e 9204 ret = -TARGET_ENOSYS;
31e31b8a
FB		 9205 break;
9206 }
579a97f7 9207fail:
c573ff67 9208#ifdef DEBUG
0bf9e31a 9209 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 9210#endif
b92c47c1
TS		 9211 if(do_strace)
9212 print_syscall_ret(num, ret);
31e31b8a 9213 return ret;
579a97f7
FB		 9214efault:
9215 ret = -TARGET_EFAULT;
9216 goto fail;
31e31b8a 9217}
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