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Let WM8750 users write to audio buffer directly.
[mirror_qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
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>
31e31b8a 30#include <sys/types.h>
d08d3bb8
TS		 31#include <sys/ipc.h>
32#include <sys/msg.h>
31e31b8a
FB		 33#include <sys/wait.h>
34#include <sys/time.h>
35#include <sys/stat.h>
36#include <sys/mount.h>
39b9aae1 37#include <sys/prctl.h>
31e31b8a
FB		 38#include <sys/resource.h>
39#include <sys/mman.h>
40#include <sys/swap.h>
41#include <signal.h>
42#include <sched.h>
43#include <sys/socket.h>
44#include <sys/uio.h>
9de5e440 45#include <sys/poll.h>
32f36bce 46#include <sys/times.h>
8853f86e 47#include <sys/shm.h>
fa294816 48#include <sys/sem.h>
56c8f68f 49#include <sys/statfs.h>
ebc05488 50#include <utime.h>
a5448a7d 51#include <sys/sysinfo.h>
72f03900 52//#include <sys/user.h>
8853f86e 53#include <netinet/ip.h>
7854b056 54#include <netinet/tcp.h>
31e31b8a
FB		 55
56#define termios host_termios
57#define winsize host_winsize
58#define termio host_termio
04369ff2
FB		 59#define sgttyb host_sgttyb /* same as target */
60#define tchars host_tchars /* same as target */
61#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 62
63#include <linux/termios.h>
64#include <linux/unistd.h>
65#include <linux/utsname.h>
66#include <linux/cdrom.h>
67#include <linux/hdreg.h>
68#include <linux/soundcard.h>
dab2ed99 69#include <linux/dirent.h>
19b84f3c 70#include <linux/kd.h>
31e31b8a 71
3ef693a0 72#include "qemu.h"
31e31b8a 73
72f03900 74//#define DEBUG
31e31b8a 75
e6e5906b 76#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
48733d19 77 || defined(TARGET_M68K) || defined(TARGET_SH4) || defined(TARGET_CRIS)
67867308
FB		 78/* 16 bit uid wrappers emulation */
79#define USE_UID16
80#endif
81
1a9353d2
FB		 82//#include <linux/msdos_fs.h>
83#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
84#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
85
70a194b9 86
70a194b9
FB		 87#undef _syscall0
88#undef _syscall1
89#undef _syscall2
90#undef _syscall3
91#undef _syscall4
92#undef _syscall5
83fcb515 93#undef _syscall6
70a194b9 94
83fcb515
FB		 95#define _syscall0(type,name) \
96type name (void) \
97{ \
98 return syscall(__NR_##name); \
99}
70a194b9 100
83fcb515
FB		 101#define _syscall1(type,name,type1,arg1) \
102type name (type1 arg1) \
103{ \
104 return syscall(__NR_##name, arg1); \
70a194b9
FB		 105}
106
83fcb515
FB		 107#define _syscall2(type,name,type1,arg1,type2,arg2) \
108type name (type1 arg1,type2 arg2) \
109{ \
110 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 111}
112
83fcb515
FB		 113#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
114type name (type1 arg1,type2 arg2,type3 arg3) \
115{ \
116 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 117}
118
83fcb515
FB		 119#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
120type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
121{ \
122 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 123}
124
83fcb515
FB		 125#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
126 type5,arg5) \
127type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
128{ \
129 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 130}
131
83fcb515
FB		 132
133#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
134 type5,arg5,type6,arg6) \
135type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
136{ \
137 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 138}
83fcb515 139
70a194b9 140
31e31b8a 141#define __NR_sys_uname __NR_uname
92a34c10 142#define __NR_sys_faccessat __NR_faccessat
814d7977 143#define __NR_sys_fchmodat __NR_fchmodat
ccfa72b7 144#define __NR_sys_fchownat __NR_fchownat
72f03900 145#define __NR_sys_getcwd1 __NR_getcwd
72f03900 146#define __NR_sys_getdents __NR_getdents
dab2ed99 147#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 148#define __NR_sys_getpriority __NR_getpriority
64f0ce4c 149#define __NR_sys_linkat __NR_linkat
4472ad0d 150#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 151#define __NR_sys_mknodat __NR_mknodat
82424832 152#define __NR_sys_openat __NR_openat
5e0ccb18 153#define __NR_sys_readlinkat __NR_readlinkat
722183f6 154#define __NR_sys_renameat __NR_renameat
66fb9763 155#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
f0b6243d 156#define __NR_sys_symlinkat __NR_symlinkat
7494b0f9 157#define __NR_sys_syslog __NR_syslog
71455574 158#define __NR_sys_tgkill __NR_tgkill
4cae1d16 159#define __NR_sys_tkill __NR_tkill
8170f56b 160#define __NR_sys_unlinkat __NR_unlinkat
9007f0ef 161#define __NR_sys_utimensat __NR_utimensat
31e31b8a 162
bc51c5c9 163#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 164#define __NR__llseek __NR_lseek
165#endif
166
72f03900 167#ifdef __NR_gettid
31e31b8a 168_syscall0(int, gettid)
72f03900 169#else
0da46a6e
TS		 170/* This is a replacement for the host gettid() and must return a host
171 errno. */
72f03900
FB		 172static int gettid(void) {
173 return -ENOSYS;
174}
175#endif
31e31b8a 176_syscall1(int,sys_uname,struct new_utsname *,buf)
92a34c10
TS		 177#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
178_syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags)
179#endif
814d7977
TS		 180#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
181_syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname,
182 mode_t,mode,int,flags)
183#endif
ccfa72b7
TS		 184#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
185_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
186 uid_t,owner,gid_t,group,int,flags)
187#endif
72f03900
FB		 188_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
189_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
3ae43202 190#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99 191_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
3ae43202 192#endif
c6cda17a 193_syscall2(int, sys_getpriority, int, which, int, who);
31e31b8a
FB		 194_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
195 loff_t *, res, uint, wh);
64f0ce4c
TS		 196#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
197_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
198 int,newdirfd,const char *,newpath,int,flags)
199#endif
4472ad0d
TS		 200#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
201_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
202#endif
75ac37a0
TS		 203#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
204_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
205 mode_t,mode,dev_t,dev)
206#endif
82424832
TS		 207#if defined(TARGET_NR_openat) && defined(__NR_openat)
208_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
209#endif
5e0ccb18
TS		 210#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
211_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
212 char *,buf,size_t,bufsize)
213#endif
722183f6
TS		 214#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
215_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
216 int,newdirfd,const char *,newpath)
217#endif
66fb9763 218_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
b51eaa82 219#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 220_syscall3(int,sys_symlinkat,const char *,oldpath,
221 int,newdirfd,const char *,newpath)
222#endif
7494b0f9 223_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
3ae43202 224#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 225_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
4cae1d16 226#endif
3ae43202 227#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16
TS		 228_syscall2(int,sys_tkill,int,tid,int,sig)
229#endif
ec86b0fb
FB		 230#ifdef __NR_exit_group
231_syscall1(int,exit_group,int,error_code)
232#endif
6f5b89a0
TS		 233#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
234_syscall1(int,set_tid_address,int *,tidptr)
235#endif
8170f56b
TS		 236#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
237_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
238#endif
9007f0ef
TS		 239#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
240_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
241 const struct timespec *,tsp,int,flags)
242#endif
66fb9763
FB		 243
244extern int personality(int);
9de5e440
FB		 245extern int flock(int, int);
246extern int setfsuid(int);
247extern int setfsgid(int);
5cd4393b
FB		 248extern int setresuid(uid_t, uid_t, uid_t);
249extern int getresuid(uid_t *, uid_t *, uid_t *);
250extern int setresgid(gid_t, gid_t, gid_t);
251extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 252extern int setgroups(int, gid_t *);
31e31b8a 253
b92c47c1
TS		 254#define ERRNO_TABLE_SIZE 1200
255
256/* target_to_host_errno_table[] is initialized from
257 * host_to_target_errno_table[] in syscall_init(). */
258static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
259};
260
637947f1 261/*
fe8f096b 262 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 263 * minus the errnos that are not actually generic to all archs.
264 */
b92c47c1 265static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 266 [EIDRM] = TARGET_EIDRM,
267 [ECHRNG] = TARGET_ECHRNG,
268 [EL2NSYNC] = TARGET_EL2NSYNC,
269 [EL3HLT] = TARGET_EL3HLT,
270 [EL3RST] = TARGET_EL3RST,
271 [ELNRNG] = TARGET_ELNRNG,
272 [EUNATCH] = TARGET_EUNATCH,
273 [ENOCSI] = TARGET_ENOCSI,
274 [EL2HLT] = TARGET_EL2HLT,
275 [EDEADLK] = TARGET_EDEADLK,
276 [ENOLCK] = TARGET_ENOLCK,
277 [EBADE] = TARGET_EBADE,
278 [EBADR] = TARGET_EBADR,
279 [EXFULL] = TARGET_EXFULL,
280 [ENOANO] = TARGET_ENOANO,
281 [EBADRQC] = TARGET_EBADRQC,
282 [EBADSLT] = TARGET_EBADSLT,
283 [EBFONT] = TARGET_EBFONT,
284 [ENOSTR] = TARGET_ENOSTR,
285 [ENODATA] = TARGET_ENODATA,
286 [ETIME] = TARGET_ETIME,
287 [ENOSR] = TARGET_ENOSR,
288 [ENONET] = TARGET_ENONET,
289 [ENOPKG] = TARGET_ENOPKG,
290 [EREMOTE] = TARGET_EREMOTE,
291 [ENOLINK] = TARGET_ENOLINK,
292 [EADV] = TARGET_EADV,
293 [ESRMNT] = TARGET_ESRMNT,
294 [ECOMM] = TARGET_ECOMM,
295 [EPROTO] = TARGET_EPROTO,
296 [EDOTDOT] = TARGET_EDOTDOT,
297 [EMULTIHOP] = TARGET_EMULTIHOP,
298 [EBADMSG] = TARGET_EBADMSG,
299 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
300 [EOVERFLOW] = TARGET_EOVERFLOW,
301 [ENOTUNIQ] = TARGET_ENOTUNIQ,
302 [EBADFD] = TARGET_EBADFD,
303 [EREMCHG] = TARGET_EREMCHG,
304 [ELIBACC] = TARGET_ELIBACC,
305 [ELIBBAD] = TARGET_ELIBBAD,
306 [ELIBSCN] = TARGET_ELIBSCN,
307 [ELIBMAX] = TARGET_ELIBMAX,
308 [ELIBEXEC] = TARGET_ELIBEXEC,
309 [EILSEQ] = TARGET_EILSEQ,
310 [ENOSYS] = TARGET_ENOSYS,
311 [ELOOP] = TARGET_ELOOP,
312 [ERESTART] = TARGET_ERESTART,
313 [ESTRPIPE] = TARGET_ESTRPIPE,
314 [ENOTEMPTY] = TARGET_ENOTEMPTY,
315 [EUSERS] = TARGET_EUSERS,
316 [ENOTSOCK] = TARGET_ENOTSOCK,
317 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
318 [EMSGSIZE] = TARGET_EMSGSIZE,
319 [EPROTOTYPE] = TARGET_EPROTOTYPE,
320 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
321 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
322 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
323 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
324 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
325 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
326 [EADDRINUSE] = TARGET_EADDRINUSE,
327 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
328 [ENETDOWN] = TARGET_ENETDOWN,
329 [ENETUNREACH] = TARGET_ENETUNREACH,
330 [ENETRESET] = TARGET_ENETRESET,
331 [ECONNABORTED] = TARGET_ECONNABORTED,
332 [ECONNRESET] = TARGET_ECONNRESET,
333 [ENOBUFS] = TARGET_ENOBUFS,
334 [EISCONN] = TARGET_EISCONN,
335 [ENOTCONN] = TARGET_ENOTCONN,
336 [EUCLEAN] = TARGET_EUCLEAN,
337 [ENOTNAM] = TARGET_ENOTNAM,
338 [ENAVAIL] = TARGET_ENAVAIL,
339 [EISNAM] = TARGET_EISNAM,
340 [EREMOTEIO] = TARGET_EREMOTEIO,
341 [ESHUTDOWN] = TARGET_ESHUTDOWN,
342 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
343 [ETIMEDOUT] = TARGET_ETIMEDOUT,
344 [ECONNREFUSED] = TARGET_ECONNREFUSED,
345 [EHOSTDOWN] = TARGET_EHOSTDOWN,
346 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
347 [EALREADY] = TARGET_EALREADY,
348 [EINPROGRESS] = TARGET_EINPROGRESS,
349 [ESTALE] = TARGET_ESTALE,
350 [ECANCELED] = TARGET_ECANCELED,
351 [ENOMEDIUM] = TARGET_ENOMEDIUM,
352 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 353#ifdef ENOKEY
637947f1 354 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 355#endif
356#ifdef EKEYEXPIRED
637947f1 357 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 358#endif
359#ifdef EKEYREVOKED
637947f1 360 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 361#endif
362#ifdef EKEYREJECTED
637947f1 363 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 364#endif
365#ifdef EOWNERDEAD
637947f1 366 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 367#endif
368#ifdef ENOTRECOVERABLE
637947f1 369 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 370#endif
b92c47c1 371};
637947f1
TS		 372
373static inline int host_to_target_errno(int err)
374{
375 if(host_to_target_errno_table[err])
376 return host_to_target_errno_table[err];
377 return err;
378}
379
b92c47c1
TS		 380static inline int target_to_host_errno(int err)
381{
382 if (target_to_host_errno_table[err])
383 return target_to_host_errno_table[err];
384 return err;
385}
386
992f48a0 387static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 388{
389 if (ret == -1)
637947f1 390 return -host_to_target_errno(errno);
31e31b8a
FB		 391 else
392 return ret;
393}
394
992f48a0 395static inline int is_error(abi_long ret)
31e31b8a 396{
992f48a0 397 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 398}
399
b92c47c1
TS		 400char *target_strerror(int err)
401{
402 return strerror(target_to_host_errno(err));
403}
404
992f48a0
BS		 405static abi_ulong target_brk;
406static abi_ulong target_original_brk;
31e31b8a 407
992f48a0 408void target_set_brk(abi_ulong new_brk)
31e31b8a 409{
4c1de73d 410 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
31e31b8a
FB		 411}
412
0da46a6e 413/* do_brk() must return target values and target errnos. */
992f48a0 414abi_long do_brk(abi_ulong new_brk)
31e31b8a 415{
992f48a0
BS		 416 abi_ulong brk_page;
417 abi_long mapped_addr;
31e31b8a
FB		 418 int new_alloc_size;
419
420 if (!new_brk)
53a5960a 421 return target_brk;
31e31b8a 422 if (new_brk < target_original_brk)
0da46a6e 423 return -TARGET_ENOMEM;
3b46e624 424
53a5960a 425 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 426
427 /* If the new brk is less than this, set it and we're done... */
428 if (new_brk < brk_page) {
429 target_brk = new_brk;
53a5960a 430 return target_brk;
31e31b8a
FB		 431 }
432
433 /* We need to allocate more memory after the brk... */
54936004 434 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
5fafdf24 435 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 436 PROT_READ|PROT_WRITE,
437 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
31e31b8a
FB		 438 if (is_error(mapped_addr)) {
439 return mapped_addr;
440 } else {
441 target_brk = new_brk;
53a5960a 442 return target_brk;
31e31b8a
FB		 443 }
444}
445
26edcf41
TS		 446static inline abi_long copy_from_user_fdset(fd_set *fds,
447 abi_ulong target_fds_addr,
448 int n)
31e31b8a 449{
26edcf41
TS		 450 int i, nw, j, k;
451 abi_ulong b, *target_fds;
452
453 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
454 if (!(target_fds = lock_user(VERIFY_READ,
455 target_fds_addr,
456 sizeof(abi_ulong) * nw,
457 1)))
458 return -TARGET_EFAULT;
459
460 FD_ZERO(fds);
461 k = 0;
462 for (i = 0; i < nw; i++) {
463 /* grab the abi_ulong */
464 __get_user(b, &target_fds[i]);
465 for (j = 0; j < TARGET_ABI_BITS; j++) {
466 /* check the bit inside the abi_ulong */
467 if ((b >> j) & 1)
468 FD_SET(k, fds);
469 k++;
31e31b8a 470 }
31e31b8a 471 }
26edcf41
TS		 472
473 unlock_user(target_fds, target_fds_addr, 0);
474
475 return 0;
31e31b8a
FB		 476}
477
26edcf41
TS		 478static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
479 const fd_set *fds,
480 int n)
31e31b8a 481{
31e31b8a 482 int i, nw, j, k;
992f48a0 483 abi_long v;
26edcf41 484 abi_ulong *target_fds;
31e31b8a 485
26edcf41
TS		 486 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
487 if (!(target_fds = lock_user(VERIFY_WRITE,
488 target_fds_addr,
489 sizeof(abi_ulong) * nw,
490 0)))
491 return -TARGET_EFAULT;
492
493 k = 0;
494 for (i = 0; i < nw; i++) {
495 v = 0;
496 for (j = 0; j < TARGET_ABI_BITS; j++) {
497 v |= ((FD_ISSET(k, fds) != 0) << j);
498 k++;
31e31b8a 499 }
26edcf41 500 __put_user(v, &target_fds[i]);
31e31b8a 501 }
26edcf41
TS		 502
503 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
504
505 return 0;
31e31b8a
FB		 506}
507
c596ed17
FB		 508#if defined(__alpha__)
509#define HOST_HZ 1024
510#else
511#define HOST_HZ 100
512#endif
513
992f48a0 514static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 515{
516#if HOST_HZ == TARGET_HZ
517 return ticks;
518#else
519 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
520#endif
521}
522
579a97f7
FB		 523static inline abi_long host_to_target_rusage(abi_ulong target_addr,
524 const struct rusage *rusage)
b409186b 525{
53a5960a
PB		 526 struct target_rusage *target_rusage;
527
579a97f7
FB		 528 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
529 return -TARGET_EFAULT;
b409186b
FB		 530 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
531 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
532 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
533 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
534 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
535 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
536 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
537 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
538 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
539 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
540 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
541 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
542 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
543 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
544 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
545 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
546 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
547 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 548 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 549
550 return 0;
b409186b
FB		 551}
552
788f5ec4
TS		 553static inline abi_long copy_from_user_timeval(struct timeval *tv,
554 abi_ulong target_tv_addr)
31e31b8a 555{
53a5960a
PB		 556 struct target_timeval *target_tv;
557
788f5ec4 558 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 559 return -TARGET_EFAULT;
788f5ec4
TS		 560
561 __get_user(tv->tv_sec, &target_tv->tv_sec);
562 __get_user(tv->tv_usec, &target_tv->tv_usec);
563
564 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 565
566 return 0;
31e31b8a
FB		 567}
568
788f5ec4
TS		 569static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
570 const struct timeval *tv)
31e31b8a 571{
53a5960a
PB		 572 struct target_timeval *target_tv;
573
788f5ec4 574 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 575 return -TARGET_EFAULT;
788f5ec4
TS		 576
577 __put_user(tv->tv_sec, &target_tv->tv_sec);
578 __put_user(tv->tv_usec, &target_tv->tv_usec);
579
580 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 581
582 return 0;
31e31b8a
FB		 583}
584
585
0da46a6e 586/* do_select() must return target values and target errnos. */
992f48a0 587static abi_long do_select(int n,
26edcf41
TS		 588 abi_ulong rfd_addr, abi_ulong wfd_addr,
589 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 590{
591 fd_set rfds, wfds, efds;
592 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
593 struct timeval tv, *tv_ptr;
992f48a0 594 abi_long ret;
31e31b8a 595
26edcf41
TS		 596 if (rfd_addr) {
597 if (copy_from_user_fdset(&rfds, rfd_addr, n))
598 return -TARGET_EFAULT;
599 rfds_ptr = &rfds;
53a5960a 600 } else {
53a5960a
PB		 601 rfds_ptr = NULL;
602 }
26edcf41
TS		 603 if (wfd_addr) {
604 if (copy_from_user_fdset(&wfds, wfd_addr, n))
605 return -TARGET_EFAULT;
606 wfds_ptr = &wfds;
53a5960a 607 } else {
53a5960a
PB		 608 wfds_ptr = NULL;
609 }
26edcf41
TS		 610 if (efd_addr) {
611 if (copy_from_user_fdset(&efds, efd_addr, n))
612 return -TARGET_EFAULT;
613 efds_ptr = &efds;
53a5960a 614 } else {
53a5960a
PB		 615 efds_ptr = NULL;
616 }
3b46e624 617
26edcf41 618 if (target_tv_addr) {
788f5ec4
TS		 619 if (copy_from_user_timeval(&tv, target_tv_addr))
620 return -TARGET_EFAULT;
31e31b8a
FB		 621 tv_ptr = &tv;
622 } else {
623 tv_ptr = NULL;
624 }
26edcf41 625
31e31b8a 626 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 627
26edcf41
TS		 628 if (!is_error(ret)) {
629 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
630 return -TARGET_EFAULT;
631 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
632 return -TARGET_EFAULT;
633 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
634 return -TARGET_EFAULT;
31e31b8a 635
788f5ec4
TS		 636 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
637 return -TARGET_EFAULT;
31e31b8a 638 }
579a97f7 639
31e31b8a
FB		 640 return ret;
641}
642
579a97f7
FB		 643static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
644 abi_ulong target_addr,
645 socklen_t len)
7854b056 646{
53a5960a
PB		 647 struct target_sockaddr *target_saddr;
648
579a97f7
FB		 649 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
650 if (!target_saddr)
651 return -TARGET_EFAULT;
53a5960a
PB		 652 memcpy(addr, target_saddr, len);
653 addr->sa_family = tswap16(target_saddr->sa_family);
654 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 655
656 return 0;
7854b056
FB		 657}
658
579a97f7
FB		 659static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
660 struct sockaddr *addr,
661 socklen_t len)
7854b056 662{
53a5960a
PB		 663 struct target_sockaddr *target_saddr;
664
579a97f7
FB		 665 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
666 if (!target_saddr)
667 return -TARGET_EFAULT;
53a5960a
PB		 668 memcpy(target_saddr, addr, len);
669 target_saddr->sa_family = tswap16(addr->sa_family);
670 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 671
672 return 0;
7854b056
FB		 673}
674
53a5960a 675/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 676static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
677 struct target_msghdr *target_msgh)
7854b056
FB		 678{
679 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 680 abi_long msg_controllen;
681 abi_ulong target_cmsg_addr;
682 struct target_cmsghdr *target_cmsg;
7854b056 683 socklen_t space = 0;
5a4a898d
FB		 684
685 msg_controllen = tswapl(target_msgh->msg_controllen);
686 if (msg_controllen < sizeof (struct target_cmsghdr))
687 goto the_end;
688 target_cmsg_addr = tswapl(target_msgh->msg_control);
689 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
690 if (!target_cmsg)
691 return -TARGET_EFAULT;
7854b056
FB		 692
693 while (cmsg && target_cmsg) {
694 void *data = CMSG_DATA(cmsg);
695 void *target_data = TARGET_CMSG_DATA(target_cmsg);
696
5fafdf24 697 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 698 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
699
700 space += CMSG_SPACE(len);
701 if (space > msgh->msg_controllen) {
702 space -= CMSG_SPACE(len);
31febb71 703 gemu_log("Host cmsg overflow\n");
7854b056
FB		 704 break;
705 }
706
707 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
708 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
709 cmsg->cmsg_len = CMSG_LEN(len);
710
3532fa74 711 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 712 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
713 memcpy(data, target_data, len);
714 } else {
715 int *fd = (int *)data;
716 int *target_fd = (int *)target_data;
717 int i, numfds = len / sizeof(int);
718
719 for (i = 0; i < numfds; i++)
720 fd[i] = tswap32(target_fd[i]);
721 }
722
723 cmsg = CMSG_NXTHDR(msgh, cmsg);
724 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
725 }
5a4a898d
FB		 726 unlock_user(target_cmsg, target_cmsg_addr, 0);
727 the_end:
7854b056 728 msgh->msg_controllen = space;
5a4a898d 729 return 0;
7854b056
FB		 730}
731
53a5960a 732/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 733static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
734 struct msghdr *msgh)
7854b056
FB		 735{
736 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 737 abi_long msg_controllen;
738 abi_ulong target_cmsg_addr;
739 struct target_cmsghdr *target_cmsg;
7854b056
FB		 740 socklen_t space = 0;
741
5a4a898d
FB		 742 msg_controllen = tswapl(target_msgh->msg_controllen);
743 if (msg_controllen < sizeof (struct target_cmsghdr))
744 goto the_end;
745 target_cmsg_addr = tswapl(target_msgh->msg_control);
746 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
747 if (!target_cmsg)
748 return -TARGET_EFAULT;
749
7854b056
FB		 750 while (cmsg && target_cmsg) {
751 void *data = CMSG_DATA(cmsg);
752 void *target_data = TARGET_CMSG_DATA(target_cmsg);
753
754 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
755
756 space += TARGET_CMSG_SPACE(len);
5a4a898d 757 if (space > msg_controllen) {
7854b056 758 space -= TARGET_CMSG_SPACE(len);
31febb71 759 gemu_log("Target cmsg overflow\n");
7854b056
FB		 760 break;
761 }
762
763 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
764 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
765 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
766
3532fa74 767 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 768 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
769 memcpy(target_data, data, len);
770 } else {
771 int *fd = (int *)data;
772 int *target_fd = (int *)target_data;
773 int i, numfds = len / sizeof(int);
774
775 for (i = 0; i < numfds; i++)
776 target_fd[i] = tswap32(fd[i]);
777 }
778
779 cmsg = CMSG_NXTHDR(msgh, cmsg);
780 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
781 }
5a4a898d
FB		 782 unlock_user(target_cmsg, target_cmsg_addr, space);
783 the_end:
784 target_msgh->msg_controllen = tswapl(space);
785 return 0;
7854b056
FB		 786}
787
0da46a6e 788/* do_setsockopt() Must return target values and target errnos. */
992f48a0 789static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 790 abi_ulong optval_addr, socklen_t optlen)
7854b056 791{
992f48a0 792 abi_long ret;
32407103 793 int val;
3b46e624 794
8853f86e
FB		 795 switch(level) {
796 case SOL_TCP:
7854b056 797 /* TCP options all take an 'int' value. */
7854b056 798 if (optlen < sizeof(uint32_t))
0da46a6e 799 return -TARGET_EINVAL;
3b46e624 800
2f619698
FB		 801 if (get_user_u32(val, optval_addr))
802 return -TARGET_EFAULT;
8853f86e
FB		 803 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
804 break;
805 case SOL_IP:
806 switch(optname) {
2efbe911
FB		 807 case IP_TOS:
808 case IP_TTL:
8853f86e 809 case IP_HDRINCL:
2efbe911
FB		 810 case IP_ROUTER_ALERT:
811 case IP_RECVOPTS:
812 case IP_RETOPTS:
813 case IP_PKTINFO:
814 case IP_MTU_DISCOVER:
815 case IP_RECVERR:
816 case IP_RECVTOS:
817#ifdef IP_FREEBIND
818 case IP_FREEBIND:
819#endif
820 case IP_MULTICAST_TTL:
821 case IP_MULTICAST_LOOP:
8853f86e
FB		 822 val = 0;
823 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 824 if (get_user_u32(val, optval_addr))
825 return -TARGET_EFAULT;
8853f86e 826 } else if (optlen >= 1) {
2f619698
FB		 827 if (get_user_u8(val, optval_addr))
828 return -TARGET_EFAULT;
8853f86e
FB		 829 }
830 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
831 break;
832 default:
833 goto unimplemented;
834 }
835 break;
3532fa74 836 case TARGET_SOL_SOCKET:
8853f86e
FB		 837 switch (optname) {
838 /* Options with 'int' argument. */
3532fa74
FB		 839 case TARGET_SO_DEBUG:
840 optname = SO_DEBUG;
841 break;
842 case TARGET_SO_REUSEADDR:
843 optname = SO_REUSEADDR;
844 break;
845 case TARGET_SO_TYPE:
846 optname = SO_TYPE;
847 break;
848 case TARGET_SO_ERROR:
849 optname = SO_ERROR;
850 break;
851 case TARGET_SO_DONTROUTE:
852 optname = SO_DONTROUTE;
853 break;
854 case TARGET_SO_BROADCAST:
855 optname = SO_BROADCAST;
856 break;
857 case TARGET_SO_SNDBUF:
858 optname = SO_SNDBUF;
859 break;
860 case TARGET_SO_RCVBUF:
861 optname = SO_RCVBUF;
862 break;
863 case TARGET_SO_KEEPALIVE:
864 optname = SO_KEEPALIVE;
865 break;
866 case TARGET_SO_OOBINLINE:
867 optname = SO_OOBINLINE;
868 break;
869 case TARGET_SO_NO_CHECK:
870 optname = SO_NO_CHECK;
871 break;
872 case TARGET_SO_PRIORITY:
873 optname = SO_PRIORITY;
874 break;
5e83e8e3 875#ifdef SO_BSDCOMPAT
3532fa74
FB		 876 case TARGET_SO_BSDCOMPAT:
877 optname = SO_BSDCOMPAT;
878 break;
5e83e8e3 879#endif
3532fa74
FB		 880 case TARGET_SO_PASSCRED:
881 optname = SO_PASSCRED;
882 break;
883 case TARGET_SO_TIMESTAMP:
884 optname = SO_TIMESTAMP;
885 break;
886 case TARGET_SO_RCVLOWAT:
887 optname = SO_RCVLOWAT;
888 break;
889 case TARGET_SO_RCVTIMEO:
890 optname = SO_RCVTIMEO;
891 break;
892 case TARGET_SO_SNDTIMEO:
893 optname = SO_SNDTIMEO;
894 break;
8853f86e
FB		 895 break;
896 default:
897 goto unimplemented;
898 }
3532fa74 899 if (optlen < sizeof(uint32_t))
2f619698 900 return -TARGET_EINVAL;
3532fa74 901
2f619698
FB		 902 if (get_user_u32(val, optval_addr))
903 return -TARGET_EFAULT;
3532fa74 904 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 905 break;
7854b056 906 default:
8853f86e
FB		 907 unimplemented:
908 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
6fa13c17 909 ret = -TARGET_ENOPROTOOPT;
7854b056 910 }
8853f86e 911 return ret;
7854b056
FB		 912}
913
0da46a6e 914/* do_getsockopt() Must return target values and target errnos. */
992f48a0 915static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 916 abi_ulong optval_addr, abi_ulong optlen)
7854b056 917{
992f48a0 918 abi_long ret;
32407103 919 int len, lv, val;
8853f86e
FB		 920
921 switch(level) {
3532fa74
FB		 922 case TARGET_SOL_SOCKET:
923 level = SOL_SOCKET;
8853f86e 924 switch (optname) {
3532fa74
FB		 925 case TARGET_SO_LINGER:
926 case TARGET_SO_RCVTIMEO:
927 case TARGET_SO_SNDTIMEO:
928 case TARGET_SO_PEERCRED:
929 case TARGET_SO_PEERNAME:
8853f86e
FB		 930 /* These don't just return a single integer */
931 goto unimplemented;
932 default:
2efbe911
FB		 933 goto int_case;
934 }
935 break;
936 case SOL_TCP:
937 /* TCP options all take an 'int' value. */
938 int_case:
2f619698
FB		 939 if (get_user_u32(len, optlen))
940 return -TARGET_EFAULT;
2efbe911 941 if (len < 0)
0da46a6e 942 return -TARGET_EINVAL;
2efbe911
FB		 943 lv = sizeof(int);
944 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
945 if (ret < 0)
946 return ret;
947 val = tswap32(val);
948 if (len > lv)
949 len = lv;
2f619698
FB		 950 if (len == 4) {
951 if (put_user_u32(val, optval_addr))
952 return -TARGET_EFAULT;
953 } else {
954 if (put_user_u8(val, optval_addr))
955 return -TARGET_EFAULT;
956 }
957 if (put_user_u32(len, optlen))
958 return -TARGET_EFAULT;
2efbe911
FB		 959 break;
960 case SOL_IP:
961 switch(optname) {
962 case IP_TOS:
963 case IP_TTL:
964 case IP_HDRINCL:
965 case IP_ROUTER_ALERT:
966 case IP_RECVOPTS:
967 case IP_RETOPTS:
968 case IP_PKTINFO:
969 case IP_MTU_DISCOVER:
970 case IP_RECVERR:
971 case IP_RECVTOS:
972#ifdef IP_FREEBIND
973 case IP_FREEBIND:
974#endif
975 case IP_MULTICAST_TTL:
976 case IP_MULTICAST_LOOP:
2f619698
FB		 977 if (get_user_u32(len, optlen))
978 return -TARGET_EFAULT;
8853f86e 979 if (len < 0)
0da46a6e 980 return -TARGET_EINVAL;
8853f86e
FB		 981 lv = sizeof(int);
982 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
983 if (ret < 0)
984 return ret;
2efbe911 985 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 986 len = 1;
2f619698
FB		 987 if (put_user_u32(len, optlen)
988 || put_user_u8(val, optval_addr))
989 return -TARGET_EFAULT;
2efbe911 990 } else {
2efbe911
FB		 991 if (len > sizeof(int))
992 len = sizeof(int);
2f619698
FB		 993 if (put_user_u32(len, optlen)
994 || put_user_u32(val, optval_addr))
995 return -TARGET_EFAULT;
2efbe911 996 }
8853f86e 997 break;
2efbe911 998 default:
c02f499e
TS		 999 ret = -TARGET_ENOPROTOOPT;
1000 break;
8853f86e
FB		 1001 }
1002 break;
1003 default:
1004 unimplemented:
1005 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1006 level, optname);
c02f499e 1007 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1008 break;
1009 }
1010 return ret;
7854b056
FB		 1011}
1012
579a97f7
FB		 1013/* FIXME
1014 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1015 * other lock functions have a return code of 0 for failure.
1016 */
1017static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1018 int count, int copy)
53a5960a
PB		 1019{
1020 struct target_iovec *target_vec;
992f48a0 1021 abi_ulong base;
579a97f7 1022 int i, j;
53a5960a 1023
579a97f7
FB		 1024 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1025 if (!target_vec)
1026 return -TARGET_EFAULT;
53a5960a
PB		 1027 for(i = 0;i < count; i++) {
1028 base = tswapl(target_vec[i].iov_base);
1029 vec[i].iov_len = tswapl(target_vec[i].iov_len);
41df8411
FB		 1030 if (vec[i].iov_len != 0) {
1031 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
7bedce8d 1032 if (!vec[i].iov_base && vec[i].iov_len)
41df8411
FB		 1033 goto fail;
1034 } else {
1035 /* zero length pointer is ignored */
1036 vec[i].iov_base = NULL;
1037 }
579a97f7
FB		 1038 }
1039 unlock_user (target_vec, target_addr, 0);
1040 return 0;
1041 fail:
1042 /* failure - unwind locks */
1043 for (j = 0; j < i; j++) {
1044 base = tswapl(target_vec[j].iov_base);
1045 unlock_user(vec[j].iov_base, base, 0);
53a5960a
PB		 1046 }
1047 unlock_user (target_vec, target_addr, 0);
579a97f7 1048 return -TARGET_EFAULT;
53a5960a
PB		 1049}
1050
579a97f7
FB		 1051static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1052 int count, int copy)
53a5960a
PB		 1053{
1054 struct target_iovec *target_vec;
992f48a0 1055 abi_ulong base;
53a5960a
PB		 1056 int i;
1057
579a97f7
FB		 1058 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1059 if (!target_vec)
1060 return -TARGET_EFAULT;
53a5960a
PB		 1061 for(i = 0;i < count; i++) {
1062 base = tswapl(target_vec[i].iov_base);
1063 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1064 }
1065 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1066
1067 return 0;
53a5960a
PB		 1068}
1069
0da46a6e 1070/* do_socket() Must return target values and target errnos. */
992f48a0 1071static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1072{
1073#if defined(TARGET_MIPS)
1074 switch(type) {
1075 case TARGET_SOCK_DGRAM:
1076 type = SOCK_DGRAM;
1077 break;
1078 case TARGET_SOCK_STREAM:
1079 type = SOCK_STREAM;
1080 break;
1081 case TARGET_SOCK_RAW:
1082 type = SOCK_RAW;
1083 break;
1084 case TARGET_SOCK_RDM:
1085 type = SOCK_RDM;
1086 break;
1087 case TARGET_SOCK_SEQPACKET:
1088 type = SOCK_SEQPACKET;
1089 break;
1090 case TARGET_SOCK_PACKET:
1091 type = SOCK_PACKET;
1092 break;
1093 }
1094#endif
12bc92ab
AZ		 1095 if (domain == PF_NETLINK)
1096 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1097 return get_errno(socket(domain, type, protocol));
1098}
1099
0da46a6e 1100/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1101static abi_long do_bind(int sockfd, abi_ulong target_addr,
1102 socklen_t addrlen)
3532fa74
FB		 1103{
1104 void *addr = alloca(addrlen);
3b46e624 1105
3532fa74
FB		 1106 target_to_host_sockaddr(addr, target_addr, addrlen);
1107 return get_errno(bind(sockfd, addr, addrlen));
1108}
1109
0da46a6e 1110/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1111static abi_long do_connect(int sockfd, abi_ulong target_addr,
1112 socklen_t addrlen)
3532fa74
FB		 1113{
1114 void *addr = alloca(addrlen);
3b46e624 1115
3532fa74
FB		 1116 target_to_host_sockaddr(addr, target_addr, addrlen);
1117 return get_errno(connect(sockfd, addr, addrlen));
1118}
1119
0da46a6e 1120/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1121static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1122 int flags, int send)
3532fa74 1123{
992f48a0 1124 abi_long ret;
3532fa74
FB		 1125 struct target_msghdr *msgp;
1126 struct msghdr msg;
1127 int count;
1128 struct iovec *vec;
992f48a0 1129 abi_ulong target_vec;
3532fa74 1130
579a97f7
FB		 1131 /* FIXME */
1132 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1133 msgp,
1134 target_msg,
1135 send ? 1 : 0))
1136 return -TARGET_EFAULT;
3532fa74
FB		 1137 if (msgp->msg_name) {
1138 msg.msg_namelen = tswap32(msgp->msg_namelen);
1139 msg.msg_name = alloca(msg.msg_namelen);
1140 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1141 msg.msg_namelen);
1142 } else {
1143 msg.msg_name = NULL;
1144 msg.msg_namelen = 0;
1145 }
1146 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1147 msg.msg_control = alloca(msg.msg_controllen);
1148 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1149
3532fa74
FB		 1150 count = tswapl(msgp->msg_iovlen);
1151 vec = alloca(count * sizeof(struct iovec));
1152 target_vec = tswapl(msgp->msg_iov);
579a97f7 1153 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1154 msg.msg_iovlen = count;
1155 msg.msg_iov = vec;
3b46e624 1156
3532fa74 1157 if (send) {
5a4a898d
FB		 1158 ret = target_to_host_cmsg(&msg, msgp);
1159 if (ret == 0)
1160 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1161 } else {
1162 ret = get_errno(recvmsg(fd, &msg, flags));
1163 if (!is_error(ret))
5a4a898d 1164 ret = host_to_target_cmsg(msgp, &msg);
3532fa74
FB		 1165 }
1166 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1167 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1168 return ret;
1169}
1170
0da46a6e 1171/* do_accept() Must return target values and target errnos. */
992f48a0 1172static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1173 abi_ulong target_addrlen_addr)
1be9e1dc 1174{
2f619698
FB		 1175 socklen_t addrlen;
1176 void *addr;
992f48a0 1177 abi_long ret;
1be9e1dc 1178
2f619698
FB		 1179 if (get_user_u32(addrlen, target_addrlen_addr))
1180 return -TARGET_EFAULT;
1181
1182 addr = alloca(addrlen);
1183
1be9e1dc
PB		 1184 ret = get_errno(accept(fd, addr, &addrlen));
1185 if (!is_error(ret)) {
1186 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1187 if (put_user_u32(addrlen, target_addrlen_addr))
1188 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1189 }
1190 return ret;
1191}
1192
0da46a6e 1193/* do_getpeername() Must return target values and target errnos. */
992f48a0 1194static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1195 abi_ulong target_addrlen_addr)
1be9e1dc 1196{
2f619698
FB		 1197 socklen_t addrlen;
1198 void *addr;
992f48a0 1199 abi_long ret;
1be9e1dc 1200
2f619698
FB		 1201 if (get_user_u32(addrlen, target_addrlen_addr))
1202 return -TARGET_EFAULT;
1203
1204 addr = alloca(addrlen);
1205
1be9e1dc
PB		 1206 ret = get_errno(getpeername(fd, addr, &addrlen));
1207 if (!is_error(ret)) {
1208 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1209 if (put_user_u32(addrlen, target_addrlen_addr))
1210 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1211 }
1212 return ret;
1213}
1214
0da46a6e 1215/* do_getsockname() Must return target values and target errnos. */
992f48a0 1216static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1217 abi_ulong target_addrlen_addr)
1be9e1dc 1218{
2f619698
FB		 1219 socklen_t addrlen;
1220 void *addr;
992f48a0 1221 abi_long ret;
1be9e1dc 1222
2f619698
FB		 1223 if (get_user_u32(addrlen, target_addrlen_addr))
1224 return -TARGET_EFAULT;
1225
1226 addr = alloca(addrlen);
1227
1be9e1dc
PB		 1228 ret = get_errno(getsockname(fd, addr, &addrlen));
1229 if (!is_error(ret)) {
1230 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1231 if (put_user_u32(addrlen, target_addrlen_addr))
1232 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1233 }
1234 return ret;
1235}
1236
0da46a6e 1237/* do_socketpair() Must return target values and target errnos. */
992f48a0 1238static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1239 abi_ulong target_tab_addr)
1be9e1dc
PB		 1240{
1241 int tab[2];
992f48a0 1242 abi_long ret;
1be9e1dc
PB		 1243
1244 ret = get_errno(socketpair(domain, type, protocol, tab));
1245 if (!is_error(ret)) {
2f619698
FB		 1246 if (put_user_s32(tab[0], target_tab_addr)
1247 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1248 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1249 }
1250 return ret;
1251}
1252
0da46a6e 1253/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1254static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1255 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1256{
1257 void *addr;
1258 void *host_msg;
992f48a0 1259 abi_long ret;
1be9e1dc 1260
579a97f7
FB		 1261 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1262 if (!host_msg)
1263 return -TARGET_EFAULT;
1be9e1dc
PB		 1264 if (target_addr) {
1265 addr = alloca(addrlen);
1266 target_to_host_sockaddr(addr, target_addr, addrlen);
1267 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1268 } else {
1269 ret = get_errno(send(fd, host_msg, len, flags));
1270 }
1271 unlock_user(host_msg, msg, 0);
1272 return ret;
1273}
1274
0da46a6e 1275/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1276static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1277 abi_ulong target_addr,
1278 abi_ulong target_addrlen)
1be9e1dc
PB		 1279{
1280 socklen_t addrlen;
1281 void *addr;
1282 void *host_msg;
992f48a0 1283 abi_long ret;
1be9e1dc 1284
579a97f7
FB		 1285 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1286 if (!host_msg)
1287 return -TARGET_EFAULT;
1be9e1dc 1288 if (target_addr) {
2f619698
FB		 1289 if (get_user_u32(addrlen, target_addrlen)) {
1290 ret = -TARGET_EFAULT;
1291 goto fail;
1292 }
1be9e1dc
PB		 1293 addr = alloca(addrlen);
1294 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1295 } else {
1296 addr = NULL; /* To keep compiler quiet. */
1297 ret = get_errno(recv(fd, host_msg, len, flags));
1298 }
1299 if (!is_error(ret)) {
1300 if (target_addr) {
1301 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1302 if (put_user_u32(addrlen, target_addrlen)) {
1303 ret = -TARGET_EFAULT;
1304 goto fail;
1305 }
1be9e1dc
PB		 1306 }
1307 unlock_user(host_msg, msg, len);
1308 } else {
2f619698 1309fail:
1be9e1dc
PB		 1310 unlock_user(host_msg, msg, 0);
1311 }
1312 return ret;
1313}
1314
32407103 1315#ifdef TARGET_NR_socketcall
0da46a6e 1316/* do_socketcall() Must return target values and target errnos. */
992f48a0 1317static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1318{
992f48a0
BS		 1319 abi_long ret;
1320 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1321
1322 switch(num) {
1323 case SOCKOP_socket:
7854b056 1324 {
2f619698
FB		 1325 int domain, type, protocol;
1326
1327 if (get_user_s32(domain, vptr)
1328 || get_user_s32(type, vptr + n)
1329 || get_user_s32(protocol, vptr + 2 * n))
1330 return -TARGET_EFAULT;
1331
3532fa74 1332 ret = do_socket(domain, type, protocol);
7854b056 1333 }
31e31b8a
FB		 1334 break;
1335 case SOCKOP_bind:
7854b056 1336 {
2f619698
FB		 1337 int sockfd;
1338 abi_ulong target_addr;
1339 socklen_t addrlen;
1340
1341 if (get_user_s32(sockfd, vptr)
1342 || get_user_ual(target_addr, vptr + n)
1343 || get_user_u32(addrlen, vptr + 2 * n))
1344 return -TARGET_EFAULT;
1345
3532fa74 1346 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1347 }
31e31b8a
FB		 1348 break;
1349 case SOCKOP_connect:
7854b056 1350 {
2f619698
FB		 1351 int sockfd;
1352 abi_ulong target_addr;
1353 socklen_t addrlen;
1354
1355 if (get_user_s32(sockfd, vptr)
1356 || get_user_ual(target_addr, vptr + n)
1357 || get_user_u32(addrlen, vptr + 2 * n))
1358 return -TARGET_EFAULT;
1359
3532fa74 1360 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1361 }
31e31b8a
FB		 1362 break;
1363 case SOCKOP_listen:
7854b056 1364 {
2f619698
FB		 1365 int sockfd, backlog;
1366
1367 if (get_user_s32(sockfd, vptr)
1368 || get_user_s32(backlog, vptr + n))
1369 return -TARGET_EFAULT;
1370
7854b056
FB		 1371 ret = get_errno(listen(sockfd, backlog));
1372 }
31e31b8a
FB		 1373 break;
1374 case SOCKOP_accept:
1375 {
2f619698
FB		 1376 int sockfd;
1377 abi_ulong target_addr, target_addrlen;
1378
1379 if (get_user_s32(sockfd, vptr)
1380 || get_user_ual(target_addr, vptr + n)
1381 || get_user_u32(target_addrlen, vptr + 2 * n))
1382 return -TARGET_EFAULT;
1383
1be9e1dc 1384 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1385 }
1386 break;
1387 case SOCKOP_getsockname:
1388 {
2f619698
FB		 1389 int sockfd;
1390 abi_ulong target_addr, target_addrlen;
1391
1392 if (get_user_s32(sockfd, vptr)
1393 || get_user_ual(target_addr, vptr + n)
1394 || get_user_u32(target_addrlen, vptr + 2 * n))
1395 return -TARGET_EFAULT;
1396
1be9e1dc 1397 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1398 }
1399 break;
1400 case SOCKOP_getpeername:
1401 {
2f619698
FB		 1402 int sockfd;
1403 abi_ulong target_addr, target_addrlen;
1404
1405 if (get_user_s32(sockfd, vptr)
1406 || get_user_ual(target_addr, vptr + n)
1407 || get_user_u32(target_addrlen, vptr + 2 * n))
1408 return -TARGET_EFAULT;
1409
1be9e1dc 1410 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1411 }
1412 break;
1413 case SOCKOP_socketpair:
1414 {
2f619698
FB		 1415 int domain, type, protocol;
1416 abi_ulong tab;
1417
1418 if (get_user_s32(domain, vptr)
1419 || get_user_s32(type, vptr + n)
1420 || get_user_s32(protocol, vptr + 2 * n)
1421 || get_user_ual(tab, vptr + 3 * n))
1422 return -TARGET_EFAULT;
1423
1be9e1dc 1424 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1425 }
1426 break;
1427 case SOCKOP_send:
7854b056 1428 {
2f619698
FB		 1429 int sockfd;
1430 abi_ulong msg;
1431 size_t len;
1432 int flags;
1433
1434 if (get_user_s32(sockfd, vptr)
1435 || get_user_ual(msg, vptr + n)
1436 || get_user_ual(len, vptr + 2 * n)
1437 || get_user_s32(flags, vptr + 3 * n))
1438 return -TARGET_EFAULT;
1439
1be9e1dc 1440 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1441 }
31e31b8a
FB		 1442 break;
1443 case SOCKOP_recv:
7854b056 1444 {
2f619698
FB		 1445 int sockfd;
1446 abi_ulong msg;
1447 size_t len;
1448 int flags;
1449
1450 if (get_user_s32(sockfd, vptr)
1451 || get_user_ual(msg, vptr + n)
1452 || get_user_ual(len, vptr + 2 * n)
1453 || get_user_s32(flags, vptr + 3 * n))
1454 return -TARGET_EFAULT;
1455
1be9e1dc 1456 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1457 }
31e31b8a
FB		 1458 break;
1459 case SOCKOP_sendto:
7854b056 1460 {
2f619698
FB		 1461 int sockfd;
1462 abi_ulong msg;
1463 size_t len;
1464 int flags;
1465 abi_ulong addr;
1466 socklen_t addrlen;
1467
1468 if (get_user_s32(sockfd, vptr)
1469 || get_user_ual(msg, vptr + n)
1470 || get_user_ual(len, vptr + 2 * n)
1471 || get_user_s32(flags, vptr + 3 * n)
1472 || get_user_ual(addr, vptr + 4 * n)
1473 || get_user_u32(addrlen, vptr + 5 * n))
1474 return -TARGET_EFAULT;
1475
1be9e1dc 1476 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1477 }
31e31b8a
FB		 1478 break;
1479 case SOCKOP_recvfrom:
1480 {
2f619698
FB		 1481 int sockfd;
1482 abi_ulong msg;
1483 size_t len;
1484 int flags;
1485 abi_ulong addr;
1486 socklen_t addrlen;
1487
1488 if (get_user_s32(sockfd, vptr)
1489 || get_user_ual(msg, vptr + n)
1490 || get_user_ual(len, vptr + 2 * n)
1491 || get_user_s32(flags, vptr + 3 * n)
1492 || get_user_ual(addr, vptr + 4 * n)
1493 || get_user_u32(addrlen, vptr + 5 * n))
1494 return -TARGET_EFAULT;
1495
1be9e1dc 1496 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1497 }
1498 break;
1499 case SOCKOP_shutdown:
7854b056 1500 {
2f619698
FB		 1501 int sockfd, how;
1502
1503 if (get_user_s32(sockfd, vptr)
1504 || get_user_s32(how, vptr + n))
1505 return -TARGET_EFAULT;
7854b056
FB		 1506
1507 ret = get_errno(shutdown(sockfd, how));
1508 }
31e31b8a
FB		 1509 break;
1510 case SOCKOP_sendmsg:
1511 case SOCKOP_recvmsg:
1a9353d2
FB		 1512 {
1513 int fd;
992f48a0 1514 abi_ulong target_msg;
3532fa74 1515 int flags;
1a9353d2 1516
2f619698
FB		 1517 if (get_user_s32(fd, vptr)
1518 || get_user_ual(target_msg, vptr + n)
1519 || get_user_s32(flags, vptr + 2 * n))
1520 return -TARGET_EFAULT;
3532fa74 1521
5fafdf24 1522 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 1523 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1524 }
1525 break;
31e31b8a 1526 case SOCKOP_setsockopt:
7854b056 1527 {
2f619698
FB		 1528 int sockfd;
1529 int level;
1530 int optname;
1531 abi_ulong optval;
1532 socklen_t optlen;
1533
1534 if (get_user_s32(sockfd, vptr)
1535 || get_user_s32(level, vptr + n)
1536 || get_user_s32(optname, vptr + 2 * n)
1537 || get_user_ual(optval, vptr + 3 * n)
1538 || get_user_u32(optlen, vptr + 4 * n))
1539 return -TARGET_EFAULT;
7854b056
FB		 1540
1541 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1542 }
1543 break;
31e31b8a 1544 case SOCKOP_getsockopt:
7854b056 1545 {
2f619698
FB		 1546 int sockfd;
1547 int level;
1548 int optname;
1549 abi_ulong optval;
1550 socklen_t optlen;
1551
1552 if (get_user_s32(sockfd, vptr)
1553 || get_user_s32(level, vptr + n)
1554 || get_user_s32(optname, vptr + 2 * n)
1555 || get_user_ual(optval, vptr + 3 * n)
1556 || get_user_u32(optlen, vptr + 4 * n))
1557 return -TARGET_EFAULT;
7854b056 1558
2f619698 1559 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 1560 }
1561 break;
31e31b8a
FB		 1562 default:
1563 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 1564 ret = -TARGET_ENOSYS;
31e31b8a
FB		 1565 break;
1566 }
1567 return ret;
1568}
32407103 1569#endif
31e31b8a 1570
32407103 1571#ifdef TARGET_NR_ipc
8853f86e
FB		 1572#define N_SHM_REGIONS 32
1573
1574static struct shm_region {
5a4a898d
FB		 1575 abi_ulong start;
1576 abi_ulong size;
8853f86e
FB		 1577} shm_regions[N_SHM_REGIONS];
1578
3eb6b044
TS		 1579struct target_ipc_perm
1580{
992f48a0
BS		 1581 abi_long __key;
1582 abi_ulong uid;
1583 abi_ulong gid;
1584 abi_ulong cuid;
1585 abi_ulong cgid;
3eb6b044
TS		 1586 unsigned short int mode;
1587 unsigned short int __pad1;
1588 unsigned short int __seq;
1589 unsigned short int __pad2;
992f48a0
BS		 1590 abi_ulong __unused1;
1591 abi_ulong __unused2;
3eb6b044
TS		 1592};
1593
1594struct target_semid_ds
1595{
1596 struct target_ipc_perm sem_perm;
992f48a0
BS		 1597 abi_ulong sem_otime;
1598 abi_ulong __unused1;
1599 abi_ulong sem_ctime;
1600 abi_ulong __unused2;
1601 abi_ulong sem_nsems;
1602 abi_ulong __unused3;
1603 abi_ulong __unused4;
3eb6b044
TS		 1604};
1605
579a97f7
FB		 1606static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
1607 abi_ulong target_addr)
3eb6b044
TS		 1608{
1609 struct target_ipc_perm *target_ip;
1610 struct target_semid_ds *target_sd;
1611
579a97f7
FB		 1612 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1613 return -TARGET_EFAULT;
3eb6b044
TS		 1614 target_ip=&(target_sd->sem_perm);
1615 host_ip->__key = tswapl(target_ip->__key);
1616 host_ip->uid = tswapl(target_ip->uid);
1617 host_ip->gid = tswapl(target_ip->gid);
1618 host_ip->cuid = tswapl(target_ip->cuid);
1619 host_ip->cgid = tswapl(target_ip->cgid);
1620 host_ip->mode = tswapl(target_ip->mode);
1621 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 1622 return 0;
3eb6b044
TS		 1623}
1624
579a97f7
FB		 1625static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
1626 struct ipc_perm *host_ip)
3eb6b044
TS		 1627{
1628 struct target_ipc_perm *target_ip;
1629 struct target_semid_ds *target_sd;
1630
579a97f7
FB		 1631 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1632 return -TARGET_EFAULT;
3eb6b044
TS		 1633 target_ip = &(target_sd->sem_perm);
1634 target_ip->__key = tswapl(host_ip->__key);
1635 target_ip->uid = tswapl(host_ip->uid);
1636 target_ip->gid = tswapl(host_ip->gid);
1637 target_ip->cuid = tswapl(host_ip->cuid);
1638 target_ip->cgid = tswapl(host_ip->cgid);
1639 target_ip->mode = tswapl(host_ip->mode);
1640 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 1641 return 0;
3eb6b044
TS		 1642}
1643
579a97f7
FB		 1644static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
1645 abi_ulong target_addr)
3eb6b044
TS		 1646{
1647 struct target_semid_ds *target_sd;
1648
579a97f7
FB		 1649 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1650 return -TARGET_EFAULT;
3eb6b044
TS		 1651 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1652 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1653 host_sd->sem_otime = tswapl(target_sd->sem_otime);
1654 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1655 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 1656 return 0;
3eb6b044
TS		 1657}
1658
579a97f7
FB		 1659static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
1660 struct semid_ds *host_sd)
3eb6b044
TS		 1661{
1662 struct target_semid_ds *target_sd;
1663
579a97f7
FB		 1664 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1665 return -TARGET_EFAULT;
3eb6b044
TS		 1666 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1667 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1668 target_sd->sem_otime = tswapl(host_sd->sem_otime);
1669 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1670 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 1671 return 0;
3eb6b044
TS		 1672}
1673
fa294816
TS		 1674union semun {
1675 int val;
3eb6b044 1676 struct semid_ds *buf;
fa294816
TS		 1677 unsigned short *array;
1678};
1679
3eb6b044
TS		 1680union target_semun {
1681 int val;
992f48a0 1682 abi_long buf;
3eb6b044
TS		 1683 unsigned short int *array;
1684};
1685
579a97f7
FB		 1686static inline abi_long target_to_host_semun(int cmd,
1687 union semun *host_su,
1688 abi_ulong target_addr,
1689 struct semid_ds *ds)
3eb6b044
TS		 1690{
1691 union target_semun *target_su;
1692
1693 switch( cmd ) {
1694 case IPC_STAT:
1695 case IPC_SET:
579a97f7
FB		 1696 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1697 return -TARGET_EFAULT;
3eb6b044
TS		 1698 target_to_host_semid_ds(ds,target_su->buf);
1699 host_su->buf = ds;
1700 unlock_user_struct(target_su, target_addr, 0);
1701 break;
1702 case GETVAL:
1703 case SETVAL:
579a97f7
FB		 1704 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1705 return -TARGET_EFAULT;
3eb6b044
TS		 1706 host_su->val = tswapl(target_su->val);
1707 unlock_user_struct(target_su, target_addr, 0);
1708 break;
1709 case GETALL:
1710 case SETALL:
579a97f7
FB		 1711 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1712 return -TARGET_EFAULT;
3eb6b044
TS		 1713 *host_su->array = tswap16(*target_su->array);
1714 unlock_user_struct(target_su, target_addr, 0);
1715 break;
1716 default:
1717 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1718 }
579a97f7 1719 return 0;
3eb6b044
TS		 1720}
1721
579a97f7
FB		 1722static inline abi_long host_to_target_semun(int cmd,
1723 abi_ulong target_addr,
1724 union semun *host_su,
1725 struct semid_ds *ds)
3eb6b044
TS		 1726{
1727 union target_semun *target_su;
1728
1729 switch( cmd ) {
1730 case IPC_STAT:
1731 case IPC_SET:
579a97f7
FB		 1732 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1733 return -TARGET_EFAULT;
3eb6b044
TS		 1734 host_to_target_semid_ds(target_su->buf,ds);
1735 unlock_user_struct(target_su, target_addr, 1);
1736 break;
1737 case GETVAL:
1738 case SETVAL:
579a97f7
FB		 1739 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1740 return -TARGET_EFAULT;
3eb6b044
TS		 1741 target_su->val = tswapl(host_su->val);
1742 unlock_user_struct(target_su, target_addr, 1);
1743 break;
1744 case GETALL:
1745 case SETALL:
579a97f7
FB		 1746 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1747 return -TARGET_EFAULT;
3eb6b044
TS		 1748 *target_su->array = tswap16(*host_su->array);
1749 unlock_user_struct(target_su, target_addr, 1);
1750 break;
1751 default:
1752 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1753 }
579a97f7 1754 return 0;
3eb6b044
TS		 1755}
1756
992f48a0
BS		 1757static inline abi_long do_semctl(int first, int second, int third,
1758 abi_long ptr)
3eb6b044
TS		 1759{
1760 union semun arg;
1761 struct semid_ds dsarg;
1762 int cmd = third&0xff;
992f48a0 1763 abi_long ret = 0;
3eb6b044
TS		 1764
1765 switch( cmd ) {
1766 case GETVAL:
1767 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1768 ret = get_errno(semctl(first, second, cmd, arg));
1769 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1770 break;
1771 case SETVAL:
1772 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1773 ret = get_errno(semctl(first, second, cmd, arg));
1774 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1775 break;
1776 case GETALL:
1777 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1778 ret = get_errno(semctl(first, second, cmd, arg));
1779 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1780 break;
1781 case SETALL:
1782 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1783 ret = get_errno(semctl(first, second, cmd, arg));
1784 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1785 break;
1786 case IPC_STAT:
1787 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1788 ret = get_errno(semctl(first, second, cmd, arg));
1789 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1790 break;
1791 case IPC_SET:
1792 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1793 ret = get_errno(semctl(first, second, cmd, arg));
1794 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1795 break;
1796 default:
1797 ret = get_errno(semctl(first, second, cmd, arg));
1798 }
1799
1800 return ret;
1801}
1802
1bc012f6
TS		 1803struct target_msqid_ds
1804{
1805 struct target_ipc_perm msg_perm;
992f48a0
BS		 1806 abi_ulong msg_stime;
1807 abi_ulong __unused1;
1808 abi_ulong msg_rtime;
1809 abi_ulong __unused2;
1810 abi_ulong msg_ctime;
1811 abi_ulong __unused3;
1812 abi_ulong __msg_cbytes;
1813 abi_ulong msg_qnum;
1814 abi_ulong msg_qbytes;
1815 abi_ulong msg_lspid;
1816 abi_ulong msg_lrpid;
1817 abi_ulong __unused4;
1818 abi_ulong __unused5;
1bc012f6
TS		 1819};
1820
579a97f7
FB		 1821static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
1822 abi_ulong target_addr)
1bc012f6
TS		 1823{
1824 struct target_msqid_ds *target_md;
1825
579a97f7
FB		 1826 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
1827 return -TARGET_EFAULT;
1bc012f6
TS		 1828 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
1829 host_md->msg_stime = tswapl(target_md->msg_stime);
1830 host_md->msg_rtime = tswapl(target_md->msg_rtime);
1831 host_md->msg_ctime = tswapl(target_md->msg_ctime);
1832 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1833 host_md->msg_qnum = tswapl(target_md->msg_qnum);
1834 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1835 host_md->msg_lspid = tswapl(target_md->msg_lspid);
1836 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1837 unlock_user_struct(target_md, target_addr, 0);
579a97f7 1838 return 0;
1bc012f6
TS		 1839}
1840
579a97f7
FB		 1841static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
1842 struct msqid_ds *host_md)
1bc012f6
TS		 1843{
1844 struct target_msqid_ds *target_md;
1845
579a97f7
FB		 1846 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
1847 return -TARGET_EFAULT;
1bc012f6
TS		 1848 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
1849 target_md->msg_stime = tswapl(host_md->msg_stime);
1850 target_md->msg_rtime = tswapl(host_md->msg_rtime);
1851 target_md->msg_ctime = tswapl(host_md->msg_ctime);
1852 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1853 target_md->msg_qnum = tswapl(host_md->msg_qnum);
1854 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1855 target_md->msg_lspid = tswapl(host_md->msg_lspid);
1856 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1857 unlock_user_struct(target_md, target_addr, 1);
579a97f7 1858 return 0;
1bc012f6
TS		 1859}
1860
992f48a0 1861static inline abi_long do_msgctl(int first, int second, abi_long ptr)
1bc012f6
TS		 1862{
1863 struct msqid_ds dsarg;
1864 int cmd = second&0xff;
992f48a0 1865 abi_long ret = 0;
1bc012f6
TS		 1866 switch( cmd ) {
1867 case IPC_STAT:
1868 case IPC_SET:
1869 target_to_host_msqid_ds(&dsarg,ptr);
1870 ret = get_errno(msgctl(first, cmd, &dsarg));
1871 host_to_target_msqid_ds(ptr,&dsarg);
1872 default:
1873 ret = get_errno(msgctl(first, cmd, &dsarg));
1874 }
1875 return ret;
1876}
1877
1878struct target_msgbuf {
992f48a0 1879 abi_ulong mtype;
1bc012f6
TS		 1880 char mtext[1];
1881};
1882
992f48a0
BS		 1883static inline abi_long do_msgsnd(int msqid, abi_long msgp,
1884 unsigned int msgsz, int msgflg)
1bc012f6
TS		 1885{
1886 struct target_msgbuf *target_mb;
1887 struct msgbuf *host_mb;
992f48a0 1888 abi_long ret = 0;
1bc012f6 1889
579a97f7
FB		 1890 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
1891 return -TARGET_EFAULT;
1bc012f6
TS		 1892 host_mb = malloc(msgsz+sizeof(long));
1893 host_mb->mtype = tswapl(target_mb->mtype);
1894 memcpy(host_mb->mtext,target_mb->mtext,msgsz);
1895 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
1896 free(host_mb);
1897 unlock_user_struct(target_mb, msgp, 0);
1898
1899 return ret;
1900}
1901
992f48a0
BS		 1902static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1903 unsigned int msgsz, int msgtype,
1904 int msgflg)
1bc012f6
TS		 1905{
1906 struct target_msgbuf *target_mb;
579a97f7 1907 char *target_mtext;
1bc012f6 1908 struct msgbuf *host_mb;
992f48a0 1909 abi_long ret = 0;
1bc012f6 1910
579a97f7
FB		 1911 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
1912 return -TARGET_EFAULT;
1bc012f6
TS		 1913 host_mb = malloc(msgsz+sizeof(long));
1914 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
579a97f7
FB		 1915 if (ret > 0) {
1916 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
1917 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
1918 if (!target_mtext) {
1919 ret = -TARGET_EFAULT;
1920 goto end;
1921 }
1bc012f6 1922 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 1923 unlock_user(target_mtext, target_mtext_addr, ret);
1924 }
1bc012f6
TS		 1925 target_mb->mtype = tswapl(host_mb->mtype);
1926 free(host_mb);
1bc012f6 1927
579a97f7
FB		 1928end:
1929 if (target_mb)
1930 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 1931 return ret;
1932}
1933
53a5960a 1934/* ??? This only works with linear mappings. */
0da46a6e 1935/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 1936static abi_long do_ipc(unsigned int call, int first,
1937 int second, int third,
1938 abi_long ptr, abi_long fifth)
8853f86e
FB		 1939{
1940 int version;
992f48a0 1941 abi_long ret = 0;
8853f86e
FB		 1942 struct shmid_ds shm_info;
1943 int i;
1944
1945 version = call >> 16;
1946 call &= 0xffff;
1947
1948 switch (call) {
fa294816 1949 case IPCOP_semop:
579a97f7 1950 ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second));
fa294816
TS		 1951 break;
1952
1953 case IPCOP_semget:
1954 ret = get_errno(semget(first, second, third));
1955 break;
1956
1957 case IPCOP_semctl:
3eb6b044 1958 ret = do_semctl(first, second, third, ptr);
fa294816
TS		 1959 break;
1960
1961 case IPCOP_semtimedop:
32407103 1962 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 1963 ret = -TARGET_ENOSYS;
fa294816 1964 break;
d96372ef
TS		 1965
1966 case IPCOP_msgget:
1967 ret = get_errno(msgget(first, second));
1968 break;
1969
1970 case IPCOP_msgsnd:
1bc012f6 1971 ret = do_msgsnd(first, ptr, second, third);
d96372ef
TS		 1972 break;
1973
1974 case IPCOP_msgctl:
1bc012f6 1975 ret = do_msgctl(first, second, ptr);
d96372ef
TS		 1976 break;
1977
1978 case IPCOP_msgrcv:
1bc012f6 1979 {
579a97f7 1980 /* XXX: this code is not correct */
1bc012f6
TS		 1981 struct ipc_kludge
1982 {
1983 void *__unbounded msgp;
1984 long int msgtyp;
1985 };
d96372ef 1986
579a97f7 1987 struct ipc_kludge *foo = (struct ipc_kludge *)g2h(ptr);
1bc012f6 1988 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
d96372ef 1989
1bc012f6 1990 ret = do_msgrcv(first, (long)msgp, second, 0, third);
d96372ef 1991
1bc012f6 1992 }
d96372ef
TS		 1993 break;
1994
8853f86e 1995 case IPCOP_shmat:
5a4a898d
FB		 1996 {
1997 abi_ulong raddr;
1998 void *host_addr;
1999 /* SHM_* flags are the same on all linux platforms */
2000 host_addr = shmat(first, (void *)g2h(ptr), second);
2001 if (host_addr == (void *)-1) {
2002 ret = get_errno((long)host_addr);
8853f86e 2003 break;
5a4a898d
FB		 2004 }
2005 raddr = h2g((unsigned long)host_addr);
2006 /* find out the length of the shared memory segment */
2007
2008 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
2009 if (is_error(ret)) {
2010 /* can't get length, bail out */
2011 shmdt(host_addr);
2012 break;
2013 }
2014 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2015 PAGE_VALID | PAGE_READ |
2016 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
2017 for (i = 0; i < N_SHM_REGIONS; ++i) {
2018 if (shm_regions[i].start == 0) {
2019 shm_regions[i].start = raddr;
2020 shm_regions[i].size = shm_info.shm_segsz;
2021 break;
2022 }
2023 }
2f619698 2024 if (put_user_ual(raddr, third))
5a4a898d
FB		 2025 return -TARGET_EFAULT;
2026 ret = 0;
2027 }
8853f86e
FB		 2028 break;
2029 case IPCOP_shmdt:
2030 for (i = 0; i < N_SHM_REGIONS; ++i) {
2031 if (shm_regions[i].start == ptr) {
2032 shm_regions[i].start = 0;
2033 page_set_flags(ptr, shm_regions[i].size, 0);
2034 break;
2035 }
2036 }
5a4a898d 2037 ret = get_errno(shmdt((void *)g2h(ptr)));
8853f86e
FB		 2038 break;
2039
2040 case IPCOP_shmget:
2041 /* IPC_* flag values are the same on all linux platforms */
2042 ret = get_errno(shmget(first, second, third));
2043 break;
2044
2045 /* IPC_* and SHM_* command values are the same on all linux platforms */
2046 case IPCOP_shmctl:
2047 switch(second) {
2048 case IPC_RMID:
2049 case SHM_LOCK:
2050 case SHM_UNLOCK:
2051 ret = get_errno(shmctl(first, second, NULL));
2052 break;
2053 default:
2054 goto unimplemented;
2055 }
2056 break;
2057 default:
2058 unimplemented:
32407103 2059 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 2060 ret = -TARGET_ENOSYS;
8853f86e
FB		 2061 break;
2062 }
2063 return ret;
2064}
32407103 2065#endif
8853f86e 2066
31e31b8a
FB		 2067/* kernel structure types definitions */
2068#define IFNAMSIZ 16
2069
2070#define STRUCT(name, list...) STRUCT_ ## name,
2071#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2072enum {
2073#include "syscall_types.h"
2074};
2075#undef STRUCT
2076#undef STRUCT_SPECIAL
2077
2078#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
2079#define STRUCT_SPECIAL(name)
2080#include "syscall_types.h"
2081#undef STRUCT
2082#undef STRUCT_SPECIAL
2083
2084typedef struct IOCTLEntry {
2ab83ea7
FB		 2085 unsigned int target_cmd;
2086 unsigned int host_cmd;
31e31b8a
FB		 2087 const char *name;
2088 int access;
1a9353d2 2089 const argtype arg_type[5];
31e31b8a
FB		 2090} IOCTLEntry;
2091
2092#define IOC_R 0x0001
2093#define IOC_W 0x0002
2094#define IOC_RW (IOC_R | IOC_W)
2095
2096#define MAX_STRUCT_SIZE 4096
2097
2ab83ea7 2098IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 2099#define IOCTL(cmd, access, types...) \
2100 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
2101#include "ioctls.h"
2102 { 0, 0, },
2103};
2104
53a5960a 2105/* ??? Implement proper locking for ioctls. */
0da46a6e 2106/* do_ioctl() Must return target values and target errnos. */
992f48a0 2107static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 2108{
2109 const IOCTLEntry *ie;
2110 const argtype *arg_type;
992f48a0 2111 abi_long ret;
31e31b8a 2112 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 2113 int target_size;
2114 void *argptr;
31e31b8a
FB		 2115
2116 ie = ioctl_entries;
2117 for(;;) {
2118 if (ie->target_cmd == 0) {
32407103 2119 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 2120 return -TARGET_ENOSYS;
31e31b8a
FB		 2121 }
2122 if (ie->target_cmd == cmd)
2123 break;
2124 ie++;
2125 }
2126 arg_type = ie->arg_type;
9de5e440 2127#if defined(DEBUG)
32407103 2128 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 2129#endif
31e31b8a
FB		 2130 switch(arg_type[0]) {
2131 case TYPE_NULL:
2132 /* no argument */
2133 ret = get_errno(ioctl(fd, ie->host_cmd));
2134 break;
2135 case TYPE_PTRVOID:
2136 case TYPE_INT:
2137 /* int argment */
2138 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2139 break;
2140 case TYPE_PTR:
2141 arg_type++;
53a5960a 2142 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 2143 switch(ie->access) {
2144 case IOC_R:
2145 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2146 if (!is_error(ret)) {
579a97f7
FB		 2147 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2148 if (!argptr)
2149 return -TARGET_EFAULT;
53a5960a
PB		 2150 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2151 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2152 }
2153 break;
2154 case IOC_W:
579a97f7
FB		 2155 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2156 if (!argptr)
2157 return -TARGET_EFAULT;
53a5960a
PB		 2158 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2159 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2160 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2161 break;
2162 default:
2163 case IOC_RW:
579a97f7
FB		 2164 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2165 if (!argptr)
2166 return -TARGET_EFAULT;
53a5960a
PB		 2167 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2168 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2169 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2170 if (!is_error(ret)) {
579a97f7
FB		 2171 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2172 if (!argptr)
2173 return -TARGET_EFAULT;
53a5960a
PB		 2174 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2175 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2176 }
2177 break;
2178 }
2179 break;
2180 default:
32407103
JM		 2181 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2182 (long)cmd, arg_type[0]);
0da46a6e 2183 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2184 break;
2185 }
2186 return ret;
2187}
2188
2189bitmask_transtbl iflag_tbl[] = {
2190 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2191 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2192 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2193 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2194 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2195 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2196 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2197 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2198 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2199 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2200 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2201 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2202 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2203 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2204 { 0, 0, 0, 0 }
2205};
2206
2207bitmask_transtbl oflag_tbl[] = {
2208 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2209 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2210 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2211 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2212 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2213 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2214 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2215 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2216 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2217 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2218 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2219 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2220 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2221 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2222 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
2223 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
2224 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
2225 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
2226 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
2227 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
2228 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
2229 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
2230 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
2231 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
2232 { 0, 0, 0, 0 }
2233};
2234
2235bitmask_transtbl cflag_tbl[] = {
2236 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
2237 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
2238 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
2239 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
2240 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
2241 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
2242 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
2243 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
2244 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
2245 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
2246 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
2247 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
2248 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
2249 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
2250 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
2251 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
2252 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
2253 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
2254 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
2255 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
2256 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
2257 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
2258 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
2259 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
2260 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
2261 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
2262 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
2263 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
2264 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
2265 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
2266 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
2267 { 0, 0, 0, 0 }
2268};
2269
2270bitmask_transtbl lflag_tbl[] = {
2271 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
2272 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
2273 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
2274 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
2275 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
2276 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
2277 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
2278 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
2279 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
2280 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
2281 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
2282 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
2283 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
2284 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
2285 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
2286 { 0, 0, 0, 0 }
2287};
2288
2289static void target_to_host_termios (void *dst, const void *src)
2290{
2291 struct host_termios *host = dst;
2292 const struct target_termios *target = src;
3b46e624 2293
5fafdf24 2294 host->c_iflag =
31e31b8a 2295 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 2296 host->c_oflag =
31e31b8a 2297 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 2298 host->c_cflag =
31e31b8a 2299 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 2300 host->c_lflag =
31e31b8a
FB		 2301 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
2302 host->c_line = target->c_line;
3b46e624 2303
5fafdf24
TS		 2304 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
2305 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 2306 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 2307 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 2308 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 2309 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 2310 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 2311 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 2312 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 2313 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
2314 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 2315 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
2316 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
2317 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
2318 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
2319 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 2320 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 2321}
3b46e624 2322
31e31b8a
FB		 2323static void host_to_target_termios (void *dst, const void *src)
2324{
2325 struct target_termios *target = dst;
2326 const struct host_termios *host = src;
2327
5fafdf24 2328 target->c_iflag =
31e31b8a 2329 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 2330 target->c_oflag =
31e31b8a 2331 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 2332 target->c_cflag =
31e31b8a 2333 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 2334 target->c_lflag =
31e31b8a
FB		 2335 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
2336 target->c_line = host->c_line;
3b46e624 2337
31e31b8a
FB		 2338 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
2339 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
2340 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
2341 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
2342 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
2343 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
2344 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
2345 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
2346 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
2347 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
2348 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
2349 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
2350 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
2351 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
2352 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
2353 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
2354 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
2355}
2356
2357StructEntry struct_termios_def = {
2358 .convert = { host_to_target_termios, target_to_host_termios },
2359 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
2360 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
2361};
2362
5286db75
FB		 2363static bitmask_transtbl mmap_flags_tbl[] = {
2364 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
2365 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
2366 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
2367 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
2368 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
2369 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
2370 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
2371 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
2372 { 0, 0, 0, 0 }
2373};
2374
ffa65c3b
FB		 2375static bitmask_transtbl fcntl_flags_tbl[] = {
2376 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
2377 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
2378 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
2379 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
2380 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
2381 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
2382 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
2383 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
2384 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
2385 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
2386 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
2387 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
2388 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 2389#if defined(O_DIRECT)
ffa65c3b 2390 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 2391#endif
ffa65c3b
FB		 2392 { 0, 0, 0, 0 }
2393};
2394
2ab83ea7 2395#if defined(TARGET_I386)
6dbad63e
FB		 2396
2397/* NOTE: there is really one LDT for all the threads */
2398uint8_t *ldt_table;
2399
03acab66 2400static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 2401{
2402 int size;
53a5960a 2403 void *p;
6dbad63e
FB		 2404
2405 if (!ldt_table)
2406 return 0;
2407 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2408 if (size > bytecount)
2409 size = bytecount;
579a97f7
FB		 2410 p = lock_user(VERIFY_WRITE, ptr, size, 0);
2411 if (!p)
03acab66 2412 return -TARGET_EFAULT;
579a97f7 2413 /* ??? Should this by byteswapped? */
53a5960a
PB		 2414 memcpy(p, ldt_table, size);
2415 unlock_user(p, ptr, size);
6dbad63e
FB		 2416 return size;
2417}
2418
2419/* XXX: add locking support */
03acab66
FB		 2420static abi_long write_ldt(CPUX86State *env,
2421 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 2422{
2423 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 2424 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 2425 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 2426 int seg_not_present, useable, lm;
6dbad63e
FB		 2427 uint32_t *lp, entry_1, entry_2;
2428
2429 if (bytecount != sizeof(ldt_info))
03acab66 2430 return -TARGET_EINVAL;
579a97f7 2431 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 2432 return -TARGET_EFAULT;
53a5960a
PB		 2433 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2434 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2435 ldt_info.limit = tswap32(target_ldt_info->limit);
2436 ldt_info.flags = tswap32(target_ldt_info->flags);
2437 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 2438
6dbad63e 2439 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 2440 return -TARGET_EINVAL;
6dbad63e
FB		 2441 seg_32bit = ldt_info.flags & 1;
2442 contents = (ldt_info.flags >> 1) & 3;
2443 read_exec_only = (ldt_info.flags >> 3) & 1;
2444 limit_in_pages = (ldt_info.flags >> 4) & 1;
2445 seg_not_present = (ldt_info.flags >> 5) & 1;
2446 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 2447#ifdef TARGET_ABI32
2448 lm = 0;
2449#else
2450 lm = (ldt_info.flags >> 7) & 1;
2451#endif
6dbad63e
FB		 2452 if (contents == 3) {
2453 if (oldmode)
03acab66 2454 return -TARGET_EINVAL;
6dbad63e 2455 if (seg_not_present == 0)
03acab66 2456 return -TARGET_EINVAL;
6dbad63e
FB		 2457 }
2458 /* allocate the LDT */
2459 if (!ldt_table) {
2460 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2461 if (!ldt_table)
03acab66 2462 return -TARGET_ENOMEM;
6dbad63e 2463 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
eeeac3f3 2464 env->ldt.base = h2g((unsigned long)ldt_table);
6dbad63e
FB		 2465 env->ldt.limit = 0xffff;
2466 }
2467
2468 /* NOTE: same code as Linux kernel */
2469 /* Allow LDTs to be cleared by the user. */
2470 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2471 if (oldmode ||
2472 (contents == 0 &&
2473 read_exec_only == 1 &&
2474 seg_32bit == 0 &&
2475 limit_in_pages == 0 &&
2476 seg_not_present == 1 &&
2477 useable == 0 )) {
2478 entry_1 = 0;
2479 entry_2 = 0;
2480 goto install;
2481 }
2482 }
3b46e624 2483
6dbad63e
FB		 2484 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2485 (ldt_info.limit & 0x0ffff);
2486 entry_2 = (ldt_info.base_addr & 0xff000000) |
2487 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2488 (ldt_info.limit & 0xf0000) |
2489 ((read_exec_only ^ 1) << 9) |
2490 (contents << 10) |
2491 ((seg_not_present ^ 1) << 15) |
2492 (seg_32bit << 22) |
2493 (limit_in_pages << 23) |
8d18e893 2494 (lm << 21) |
6dbad63e
FB		 2495 0x7000;
2496 if (!oldmode)
2497 entry_2 |= (useable << 20);
14ae3ba7 2498
6dbad63e
FB		 2499 /* Install the new entry ... */
2500install:
2501 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2502 lp[0] = tswap32(entry_1);
2503 lp[1] = tswap32(entry_2);
2504 return 0;
2505}
2506
2507/* specific and weird i386 syscalls */
03acab66
FB		 2508abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
2509 unsigned long bytecount)
6dbad63e 2510{
03acab66 2511 abi_long ret;
3b46e624 2512
6dbad63e
FB		 2513 switch (func) {
2514 case 0:
2515 ret = read_ldt(ptr, bytecount);
2516 break;
2517 case 1:
2518 ret = write_ldt(env, ptr, bytecount, 1);
2519 break;
2520 case 0x11:
2521 ret = write_ldt(env, ptr, bytecount, 0);
2522 break;
03acab66
FB		 2523 default:
2524 ret = -TARGET_ENOSYS;
2525 break;
6dbad63e
FB		 2526 }
2527 return ret;
2528}
1b6b029e 2529
8d18e893
FB		 2530abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
2531{
2532 uint64_t *gdt_table = g2h(env->gdt.base);
2533 struct target_modify_ldt_ldt_s ldt_info;
2534 struct target_modify_ldt_ldt_s *target_ldt_info;
2535 int seg_32bit, contents, read_exec_only, limit_in_pages;
2536 int seg_not_present, useable, lm;
2537 uint32_t *lp, entry_1, entry_2;
2538 int i;
2539
2540 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
2541 if (!target_ldt_info)
2542 return -TARGET_EFAULT;
2543 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2544 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2545 ldt_info.limit = tswap32(target_ldt_info->limit);
2546 ldt_info.flags = tswap32(target_ldt_info->flags);
2547 if (ldt_info.entry_number == -1) {
2548 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
2549 if (gdt_table[i] == 0) {
2550 ldt_info.entry_number = i;
2551 target_ldt_info->entry_number = tswap32(i);
2552 break;
2553 }
2554 }
2555 }
2556 unlock_user_struct(target_ldt_info, ptr, 1);
2557
2558 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
2559 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
2560 return -TARGET_EINVAL;
2561 seg_32bit = ldt_info.flags & 1;
2562 contents = (ldt_info.flags >> 1) & 3;
2563 read_exec_only = (ldt_info.flags >> 3) & 1;
2564 limit_in_pages = (ldt_info.flags >> 4) & 1;
2565 seg_not_present = (ldt_info.flags >> 5) & 1;
2566 useable = (ldt_info.flags >> 6) & 1;
2567#ifdef TARGET_ABI32
2568 lm = 0;
2569#else
2570 lm = (ldt_info.flags >> 7) & 1;
2571#endif
2572
2573 if (contents == 3) {
2574 if (seg_not_present == 0)
2575 return -TARGET_EINVAL;
2576 }
2577
2578 /* NOTE: same code as Linux kernel */
2579 /* Allow LDTs to be cleared by the user. */
2580 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2581 if ((contents == 0 &&
2582 read_exec_only == 1 &&
2583 seg_32bit == 0 &&
2584 limit_in_pages == 0 &&
2585 seg_not_present == 1 &&
2586 useable == 0 )) {
2587 entry_1 = 0;
2588 entry_2 = 0;
2589 goto install;
2590 }
2591 }
2592
2593 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2594 (ldt_info.limit & 0x0ffff);
2595 entry_2 = (ldt_info.base_addr & 0xff000000) |
2596 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2597 (ldt_info.limit & 0xf0000) |
2598 ((read_exec_only ^ 1) << 9) |
2599 (contents << 10) |
2600 ((seg_not_present ^ 1) << 15) |
2601 (seg_32bit << 22) |
2602 (limit_in_pages << 23) |
2603 (useable << 20) |
2604 (lm << 21) |
2605 0x7000;
2606
2607 /* Install the new entry ... */
2608install:
2609 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
2610 lp[0] = tswap32(entry_1);
2611 lp[1] = tswap32(entry_2);
2612 return 0;
2613}
2614
2615abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
2616{
2617 struct target_modify_ldt_ldt_s *target_ldt_info;
2618 uint64_t *gdt_table = g2h(env->gdt.base);
2619 uint32_t base_addr, limit, flags;
2620 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
2621 int seg_not_present, useable, lm;
2622 uint32_t *lp, entry_1, entry_2;
2623
2624 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
2625 if (!target_ldt_info)
2626 return -TARGET_EFAULT;
2627 idx = tswap32(target_ldt_info->entry_number);
2628 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
2629 idx > TARGET_GDT_ENTRY_TLS_MAX) {
2630 unlock_user_struct(target_ldt_info, ptr, 1);
2631 return -TARGET_EINVAL;
2632 }
2633 lp = (uint32_t *)(gdt_table + idx);
2634 entry_1 = tswap32(lp[0]);
2635 entry_2 = tswap32(lp[1]);
2636
2637 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
2638 contents = (entry_2 >> 10) & 3;
2639 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
2640 seg_32bit = (entry_2 >> 22) & 1;
2641 limit_in_pages = (entry_2 >> 23) & 1;
2642 useable = (entry_2 >> 20) & 1;
2643#ifdef TARGET_ABI32
2644 lm = 0;
2645#else
2646 lm = (entry_2 >> 21) & 1;
2647#endif
2648 flags = (seg_32bit << 0) | (contents << 1) |
2649 (read_exec_only << 3) | (limit_in_pages << 4) |
2650 (seg_not_present << 5) | (useable << 6) | (lm << 7);
2651 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
2652 base_addr = (entry_1 >> 16) |
2653 (entry_2 & 0xff000000) |
2654 ((entry_2 & 0xff) << 16);
2655 target_ldt_info->base_addr = tswapl(base_addr);
2656 target_ldt_info->limit = tswap32(limit);
2657 target_ldt_info->flags = tswap32(flags);
2658 unlock_user_struct(target_ldt_info, ptr, 1);
2659 return 0;
2660}
2661
d2fd1af7
FB		 2662#ifndef TARGET_ABI32
2663abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
2664{
2665 abi_long ret;
2666 abi_ulong val;
2667 int idx;
2668
2669 switch(code) {
2670 case TARGET_ARCH_SET_GS:
2671 case TARGET_ARCH_SET_FS:
2672 if (code == TARGET_ARCH_SET_GS)
2673 idx = R_GS;
2674 else
2675 idx = R_FS;
2676 cpu_x86_load_seg(env, idx, 0);
2677 env->segs[idx].base = addr;
2678 break;
2679 case TARGET_ARCH_GET_GS:
2680 case TARGET_ARCH_GET_FS:
2681 if (code == TARGET_ARCH_GET_GS)
2682 idx = R_GS;
2683 else
2684 idx = R_FS;
2685 val = env->segs[idx].base;
2686 if (put_user(val, addr, abi_ulong))
2687 return -TARGET_EFAULT;
2688 break;
2689 default:
2690 ret = -TARGET_EINVAL;
2691 break;
2692 }
2693 return 0;
2694}
2695#endif
2696
2ab83ea7
FB		 2697#endif /* defined(TARGET_I386) */
2698
1b6b029e
FB		 2699/* this stack is the equivalent of the kernel stack associated with a
2700 thread/process */
2701#define NEW_STACK_SIZE 8192
2702
2703static int clone_func(void *arg)
2704{
2ab83ea7 2705 CPUState *env = arg;
1b6b029e
FB		 2706 cpu_loop(env);
2707 /* never exits */
2708 return 0;
2709}
2710
0da46a6e
TS		 2711/* do_fork() Must return host values and target errnos (unlike most
2712 do_*() functions). */
992f48a0 2713int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp)
1b6b029e
FB		 2714{
2715 int ret;
5cd4393b 2716 TaskState *ts;
1b6b029e 2717 uint8_t *new_stack;
2ab83ea7 2718 CPUState *new_env;
3b46e624 2719
1b6b029e 2720 if (flags & CLONE_VM) {
5cd4393b
FB		 2721 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2722 memset(ts, 0, sizeof(TaskState));
2723 new_stack = ts->stack;
2724 ts->used = 1;
2725 /* add in task state list */
2726 ts->next = first_task_state;
2727 first_task_state = ts;
1b6b029e 2728 /* we create a new CPU instance. */
c5be9f08 2729 new_env = cpu_copy(env);
2ab83ea7
FB		 2730#if defined(TARGET_I386)
2731 if (!newsp)
2732 newsp = env->regs[R_ESP];
1b6b029e
FB		 2733 new_env->regs[R_ESP] = newsp;
2734 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 2735#elif defined(TARGET_ARM)
2736 if (!newsp)
2737 newsp = env->regs[13];
2738 new_env->regs[13] = newsp;
2739 new_env->regs[0] = 0;
ebc05488 2740#elif defined(TARGET_SPARC)
48dc41eb
FB		 2741 if (!newsp)
2742 newsp = env->regwptr[22];
2743 new_env->regwptr[22] = newsp;
2744 new_env->regwptr[0] = 0;
2745 /* XXXXX */
67867308 2746 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 2747#elif defined(TARGET_M68K)
2748 if (!newsp)
2749 newsp = env->aregs[7];
2750 new_env->aregs[7] = newsp;
2751 new_env->dregs[0] = 0;
2752 /* ??? is this sufficient? */
048f6b4d 2753#elif defined(TARGET_MIPS)
388bb21a 2754 if (!newsp)
d0dc7dc3
TS		 2755 newsp = env->gpr[env->current_tc][29];
2756 new_env->gpr[env->current_tc][29] = newsp;
67867308
FB		 2757#elif defined(TARGET_PPC)
2758 if (!newsp)
2759 newsp = env->gpr[1];
2760 new_env->gpr[1] = newsp;
5fafdf24 2761 {
67867308
FB		 2762 int i;
2763 for (i = 7; i < 32; i++)
2764 new_env->gpr[i] = 0;
2765 }
fdf9b3e8
FB		 2766#elif defined(TARGET_SH4)
2767 if (!newsp)
2768 newsp = env->gregs[15];
2769 new_env->gregs[15] = newsp;
2770 /* XXXXX */
7a3148a9
JM		 2771#elif defined(TARGET_ALPHA)
2772 if (!newsp)
2773 newsp = env->ir[30];
2774 new_env->ir[30] = newsp;
2775 /* ? */
2776 {
2777 int i;
2778 for (i = 7; i < 30; i++)
2779 new_env->ir[i] = 0;
2780 }
48733d19
TS		 2781#elif defined(TARGET_CRIS)
2782 if (!newsp)
2783 newsp = env->regs[14];
2784 new_env->regs[14] = newsp;
2ab83ea7
FB		 2785#else
2786#error unsupported target CPU
2787#endif
5cd4393b 2788 new_env->opaque = ts;
27725c1d 2789#ifdef __ia64__
fd4a43e4 2790 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 2791#else
2792 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2793#endif
1b6b029e
FB		 2794 } else {
2795 /* if no CLONE_VM, we consider it is a fork */
2796 if ((flags & ~CSIGNAL) != 0)
2797 return -EINVAL;
2798 ret = fork();
2799 }
2800 return ret;
2801}
2802
992f48a0 2803static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 2804{
2805 struct flock fl;
53a5960a 2806 struct target_flock *target_fl;
43f238d7
TS		 2807 struct flock64 fl64;
2808 struct target_flock64 *target_fl64;
992f48a0 2809 abi_long ret;
53a5960a 2810
7775e9ec
FB		 2811 switch(cmd) {
2812 case TARGET_F_GETLK:
579a97f7
FB		 2813 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
2814 return -TARGET_EFAULT;
5813427b
TS		 2815 fl.l_type = tswap16(target_fl->l_type);
2816 fl.l_whence = tswap16(target_fl->l_whence);
2817 fl.l_start = tswapl(target_fl->l_start);
2818 fl.l_len = tswapl(target_fl->l_len);
2819 fl.l_pid = tswapl(target_fl->l_pid);
2820 unlock_user_struct(target_fl, arg, 0);
9ee1fa2c 2821 ret = get_errno(fcntl(fd, cmd, &fl));
7775e9ec 2822 if (ret == 0) {
579a97f7
FB		 2823 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
2824 return -TARGET_EFAULT;
7775e9ec
FB		 2825 target_fl->l_type = tswap16(fl.l_type);
2826 target_fl->l_whence = tswap16(fl.l_whence);
2827 target_fl->l_start = tswapl(fl.l_start);
2828 target_fl->l_len = tswapl(fl.l_len);
2829 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 2830 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2831 }
2832 break;
3b46e624 2833
7775e9ec
FB		 2834 case TARGET_F_SETLK:
2835 case TARGET_F_SETLKW:
579a97f7
FB		 2836 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
2837 return -TARGET_EFAULT;
7775e9ec
FB		 2838 fl.l_type = tswap16(target_fl->l_type);
2839 fl.l_whence = tswap16(target_fl->l_whence);
2840 fl.l_start = tswapl(target_fl->l_start);
2841 fl.l_len = tswapl(target_fl->l_len);
2842 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 2843 unlock_user_struct(target_fl, arg, 0);
9ee1fa2c 2844 ret = get_errno(fcntl(fd, cmd, &fl));
7775e9ec 2845 break;
3b46e624 2846
7775e9ec 2847 case TARGET_F_GETLK64:
579a97f7
FB		 2848 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
2849 return -TARGET_EFAULT;
5813427b
TS		 2850 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2851 fl64.l_whence = tswap16(target_fl64->l_whence);
2852 fl64.l_start = tswapl(target_fl64->l_start);
2853 fl64.l_len = tswapl(target_fl64->l_len);
2854 fl64.l_pid = tswap16(target_fl64->l_pid);
2855 unlock_user_struct(target_fl64, arg, 0);
9ee1fa2c 2856 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
43f238d7 2857 if (ret == 0) {
579a97f7
FB		 2858 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
2859 return -TARGET_EFAULT;
43f238d7
TS		 2860 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2861 target_fl64->l_whence = tswap16(fl64.l_whence);
2862 target_fl64->l_start = tswapl(fl64.l_start);
2863 target_fl64->l_len = tswapl(fl64.l_len);
2864 target_fl64->l_pid = tswapl(fl64.l_pid);
2865 unlock_user_struct(target_fl64, arg, 1);
2866 }
9ee1fa2c 2867 break;
7775e9ec
FB		 2868 case TARGET_F_SETLK64:
2869 case TARGET_F_SETLKW64:
579a97f7
FB		 2870 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
2871 return -TARGET_EFAULT;
43f238d7
TS		 2872 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2873 fl64.l_whence = tswap16(target_fl64->l_whence);
2874 fl64.l_start = tswapl(target_fl64->l_start);
2875 fl64.l_len = tswapl(target_fl64->l_len);
2876 fl64.l_pid = tswap16(target_fl64->l_pid);
2877 unlock_user_struct(target_fl64, arg, 0);
9ee1fa2c 2878 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
7775e9ec
FB		 2879 break;
2880
ffa65c3b 2881 case F_GETFL:
9ee1fa2c
FB		 2882 ret = get_errno(fcntl(fd, cmd, arg));
2883 if (ret >= 0) {
2884 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2885 }
ffa65c3b
FB		 2886 break;
2887
2888 case F_SETFL:
9ee1fa2c 2889 ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
ffa65c3b
FB		 2890 break;
2891
7775e9ec 2892 default:
9ee1fa2c 2893 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 2894 break;
2895 }
2896 return ret;
2897}
2898
67867308 2899#ifdef USE_UID16
7775e9ec 2900
67867308
FB		 2901static inline int high2lowuid(int uid)
2902{
2903 if (uid > 65535)
2904 return 65534;
2905 else
2906 return uid;
2907}
2908
2909static inline int high2lowgid(int gid)
2910{
2911 if (gid > 65535)
2912 return 65534;
2913 else
2914 return gid;
2915}
2916
2917static inline int low2highuid(int uid)
2918{
2919 if ((int16_t)uid == -1)
2920 return -1;
2921 else
2922 return uid;
2923}
2924
2925static inline int low2highgid(int gid)
2926{
2927 if ((int16_t)gid == -1)
2928 return -1;
2929 else
2930 return gid;
2931}
2932
2933#endif /* USE_UID16 */
1b6b029e 2934
31e31b8a
FB		 2935void syscall_init(void)
2936{
2ab83ea7
FB		 2937 IOCTLEntry *ie;
2938 const argtype *arg_type;
2939 int size;
b92c47c1 2940 int i;
2ab83ea7 2941
5fafdf24
TS		 2942#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
2943#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 2944#include "syscall_types.h"
2945#undef STRUCT
2946#undef STRUCT_SPECIAL
2ab83ea7
FB		 2947
2948 /* we patch the ioctl size if necessary. We rely on the fact that
2949 no ioctl has all the bits at '1' in the size field */
2950 ie = ioctl_entries;
2951 while (ie->target_cmd != 0) {
2952 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2953 TARGET_IOC_SIZEMASK) {
2954 arg_type = ie->arg_type;
2955 if (arg_type[0] != TYPE_PTR) {
5fafdf24 2956 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 2957 ie->target_cmd);
2958 exit(1);
2959 }
2960 arg_type++;
2961 size = thunk_type_size(arg_type, 0);
5fafdf24 2962 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 2963 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2964 (size << TARGET_IOC_SIZESHIFT);
2965 }
b92c47c1
TS		 2966
2967 /* Build target_to_host_errno_table[] table from
2968 * host_to_target_errno_table[]. */
2969 for (i=0; i < ERRNO_TABLE_SIZE; i++)
2970 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
2971
2ab83ea7 2972 /* automatic consistency check if same arch */
d2fd1af7 2973#if defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)
2ab83ea7 2974 if (ie->target_cmd != ie->host_cmd) {
5fafdf24 2975 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
2ab83ea7
FB		 2976 ie->target_cmd, ie->host_cmd);
2977 }
2978#endif
2979 ie++;
2980 }
31e31b8a 2981}
c573ff67 2982
992f48a0 2983#if TARGET_ABI_BITS == 32
ce4defa0
PB		 2984static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2985{
2986#ifdef TARGET_WORDS_BIG_ENDIAN
2987 return ((uint64_t)word0 << 32) | word1;
2988#else
2989 return ((uint64_t)word1 << 32) | word0;
2990#endif
2991}
992f48a0 2992#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 2993static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
2994{
2995 return word0;
2996}
992f48a0 2997#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 2998
2999#ifdef TARGET_NR_truncate64
992f48a0
BS		 3000static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3001 abi_long arg2,
3002 abi_long arg3,
3003 abi_long arg4)
ce4defa0
PB		 3004{
3005#ifdef TARGET_ARM
3006 if (((CPUARMState *)cpu_env)->eabi)
3007 {
3008 arg2 = arg3;
3009 arg3 = arg4;
3010 }
3011#endif
3012 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3013}
3014#endif
3015
3016#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 3017static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3018 abi_long arg2,
3019 abi_long arg3,
3020 abi_long arg4)
ce4defa0
PB		 3021{
3022#ifdef TARGET_ARM
3023 if (((CPUARMState *)cpu_env)->eabi)
3024 {
3025 arg2 = arg3;
3026 arg3 = arg4;
3027 }
3028#endif
3029 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3030}
3031#endif
3032
579a97f7
FB		 3033static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3034 abi_ulong target_addr)
53a5960a
PB		 3035{
3036 struct target_timespec *target_ts;
3037
579a97f7
FB		 3038 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3039 return -TARGET_EFAULT;
53a5960a
PB		 3040 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3041 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3042 unlock_user_struct(target_ts, target_addr, 0);
3043}
3044
579a97f7
FB		 3045static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3046 struct timespec *host_ts)
53a5960a
PB		 3047{
3048 struct target_timespec *target_ts;
3049
579a97f7
FB		 3050 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3051 return -TARGET_EFAULT;
53a5960a
PB		 3052 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3053 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3054 unlock_user_struct(target_ts, target_addr, 1);
3055}
3056
0da46a6e
TS		 3057/* do_syscall() should always have a single exit point at the end so
3058 that actions, such as logging of syscall results, can be performed.
3059 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 3060abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
3061 abi_long arg2, abi_long arg3, abi_long arg4,
3062 abi_long arg5, abi_long arg6)
31e31b8a 3063{
992f48a0 3064 abi_long ret;
31e31b8a 3065 struct stat st;
56c8f68f 3066 struct statfs stfs;
53a5960a 3067 void *p;
3b46e624 3068
72f03900 3069#ifdef DEBUG
c573ff67 3070 gemu_log("syscall %d", num);
72f03900 3071#endif
b92c47c1
TS		 3072 if(do_strace)
3073 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
3074
31e31b8a
FB		 3075 switch(num) {
3076 case TARGET_NR_exit:
7d13299d
FB		 3077#ifdef HAVE_GPROF
3078 _mcleanup();
3079#endif
e9009676 3080 gdb_exit(cpu_env, arg1);
1b6b029e 3081 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 3082 _exit(arg1);
3083 ret = 0; /* avoid warning */
3084 break;
3085 case TARGET_NR_read:
579a97f7
FB		 3086 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
3087 goto efault;
53a5960a
PB		 3088 ret = get_errno(read(arg1, p, arg3));
3089 unlock_user(p, arg2, ret);
31e31b8a
FB		 3090 break;
3091 case TARGET_NR_write:
579a97f7
FB		 3092 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
3093 goto efault;
53a5960a
PB		 3094 ret = get_errno(write(arg1, p, arg3));
3095 unlock_user(p, arg2, 0);
31e31b8a
FB		 3096 break;
3097 case TARGET_NR_open:
2f619698
FB		 3098 if (!(p = lock_user_string(arg1)))
3099 goto efault;
53a5960a 3100 ret = get_errno(open(path(p),
ffa65c3b
FB		 3101 target_to_host_bitmask(arg2, fcntl_flags_tbl),
3102 arg3));
53a5960a 3103 unlock_user(p, arg1, 0);
31e31b8a 3104 break;
82424832
TS		 3105#if defined(TARGET_NR_openat) && defined(__NR_openat)
3106 case TARGET_NR_openat:
579a97f7
FB		 3107 if (!(p = lock_user_string(arg2)))
3108 goto efault;
3109 ret = get_errno(sys_openat(arg1,
3110 path(p),
3111 target_to_host_bitmask(arg3, fcntl_flags_tbl),
3112 arg4));
3113 unlock_user(p, arg2, 0);
82424832
TS		 3114 break;
3115#endif
31e31b8a
FB		 3116 case TARGET_NR_close:
3117 ret = get_errno(close(arg1));
3118 break;
3119 case TARGET_NR_brk:
53a5960a 3120 ret = do_brk(arg1);
31e31b8a
FB		 3121 break;
3122 case TARGET_NR_fork:
1b6b029e 3123 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a 3124 break;
e5febef5 3125#ifdef TARGET_NR_waitpid
31e31b8a
FB		 3126 case TARGET_NR_waitpid:
3127 {
53a5960a
PB		 3128 int status;
3129 ret = get_errno(waitpid(arg1, &status, arg3));
2f619698
FB		 3130 if (!is_error(ret) && arg2
3131 && put_user_s32(status, arg2))
3132 goto efault;
31e31b8a
FB		 3133 }
3134 break;
e5febef5 3135#endif
7a3148a9 3136#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 3137 case TARGET_NR_creat:
579a97f7
FB		 3138 if (!(p = lock_user_string(arg1)))
3139 goto efault;
53a5960a
PB		 3140 ret = get_errno(creat(p, arg2));
3141 unlock_user(p, arg1, 0);
31e31b8a 3142 break;
7a3148a9 3143#endif
31e31b8a 3144 case TARGET_NR_link:
53a5960a
PB		 3145 {
3146 void * p2;
3147 p = lock_user_string(arg1);
3148 p2 = lock_user_string(arg2);
579a97f7
FB		 3149 if (!p || !p2)
3150 ret = -TARGET_EFAULT;
3151 else
3152 ret = get_errno(link(p, p2));
53a5960a
PB		 3153 unlock_user(p2, arg2, 0);
3154 unlock_user(p, arg1, 0);
3155 }
31e31b8a 3156 break;
64f0ce4c
TS		 3157#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
3158 case TARGET_NR_linkat:
64f0ce4c
TS		 3159 {
3160 void * p2 = NULL;
579a97f7
FB		 3161 if (!arg2 || !arg4)
3162 goto efault;
64f0ce4c
TS		 3163 p = lock_user_string(arg2);
3164 p2 = lock_user_string(arg4);
579a97f7 3165 if (!p || !p2)
0da46a6e 3166 ret = -TARGET_EFAULT;
64f0ce4c
TS		 3167 else
3168 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 3169 unlock_user(p, arg2, 0);
3170 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 3171 }
3172 break;
3173#endif
31e31b8a 3174 case TARGET_NR_unlink:
579a97f7
FB		 3175 if (!(p = lock_user_string(arg1)))
3176 goto efault;
53a5960a
PB		 3177 ret = get_errno(unlink(p));
3178 unlock_user(p, arg1, 0);
31e31b8a 3179 break;
8170f56b
TS		 3180#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
3181 case TARGET_NR_unlinkat:
579a97f7
FB		 3182 if (!(p = lock_user_string(arg2)))
3183 goto efault;
3184 ret = get_errno(sys_unlinkat(arg1, p, arg3));
3185 unlock_user(p, arg2, 0);
ed494d87 3186 break;
b7d35e65 3187#endif
31e31b8a 3188 case TARGET_NR_execve:
7854b056
FB		 3189 {
3190 char **argp, **envp;
f7341ff4 3191 int argc, envc;
992f48a0
BS		 3192 abi_ulong gp;
3193 abi_ulong guest_argp;
3194 abi_ulong guest_envp;
3195 abi_ulong addr;
7854b056
FB		 3196 char **q;
3197
f7341ff4 3198 argc = 0;
53a5960a 3199 guest_argp = arg2;
982f3ab6 3200 for (gp = guest_argp; ; gp += sizeof(abi_ulong)) {
03aa1976 3201 if (get_user_ual(addr, gp))
2f619698 3202 goto efault;
03aa1976 3203 if (!addr)
2f619698 3204 break;
7854b056 3205 argc++;
2f619698 3206 }
f7341ff4 3207 envc = 0;
53a5960a 3208 guest_envp = arg3;
982f3ab6 3209 for (gp = guest_envp; ; gp += sizeof(abi_ulong)) {
03aa1976 3210 if (get_user_ual(addr, gp))
2f619698 3211 goto efault;
03aa1976 3212 if (!addr)
2f619698 3213 break;
7854b056 3214 envc++;
2f619698 3215 }
7854b056 3216
f7341ff4
FB		 3217 argp = alloca((argc + 1) * sizeof(void *));
3218 envp = alloca((envc + 1) * sizeof(void *));
7854b056 3219
53a5960a 3220 for (gp = guest_argp, q = argp; ;
992f48a0 3221 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 3222 if (get_user_ual(addr, gp))
3223 goto execve_efault;
53a5960a
PB		 3224 if (!addr)
3225 break;
2f619698
FB		 3226 if (!(*q = lock_user_string(addr)))
3227 goto execve_efault;
53a5960a 3228 }
f7341ff4
FB		 3229 *q = NULL;
3230
53a5960a 3231 for (gp = guest_envp, q = envp; ;
992f48a0 3232 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 3233 if (get_user_ual(addr, gp))
3234 goto execve_efault;
53a5960a
PB		 3235 if (!addr)
3236 break;
2f619698
FB		 3237 if (!(*q = lock_user_string(addr)))
3238 goto execve_efault;
53a5960a 3239 }
f7341ff4 3240 *q = NULL;
7854b056 3241
2f619698
FB		 3242 if (!(p = lock_user_string(arg1)))
3243 goto execve_efault;
53a5960a
PB		 3244 ret = get_errno(execve(p, argp, envp));
3245 unlock_user(p, arg1, 0);
3246
2f619698
FB		 3247 goto execve_end;
3248
3249 execve_efault:
3250 ret = -TARGET_EFAULT;
3251
3252 execve_end:
53a5960a 3253 for (gp = guest_argp, q = argp; *q;
992f48a0 3254 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 3255 if (get_user_ual(addr, gp)
3256 || !addr)
3257 break;
53a5960a
PB		 3258 unlock_user(*q, addr, 0);
3259 }
3260 for (gp = guest_envp, q = envp; *q;
992f48a0 3261 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 3262 if (get_user_ual(addr, gp)
3263 || !addr)
3264 break;
53a5960a
PB		 3265 unlock_user(*q, addr, 0);
3266 }
7854b056 3267 }
31e31b8a
FB		 3268 break;
3269 case TARGET_NR_chdir:
579a97f7
FB		 3270 if (!(p = lock_user_string(arg1)))
3271 goto efault;
53a5960a
PB		 3272 ret = get_errno(chdir(p));
3273 unlock_user(p, arg1, 0);
31e31b8a 3274 break;
a315a145 3275#ifdef TARGET_NR_time
31e31b8a
FB		 3276 case TARGET_NR_time:
3277 {
53a5960a
PB		 3278 time_t host_time;
3279 ret = get_errno(time(&host_time));
2f619698
FB		 3280 if (!is_error(ret)
3281 && arg1
3282 && put_user_sal(host_time, arg1))
3283 goto efault;
31e31b8a
FB		 3284 }
3285 break;
a315a145 3286#endif
31e31b8a 3287 case TARGET_NR_mknod:
579a97f7
FB		 3288 if (!(p = lock_user_string(arg1)))
3289 goto efault;
53a5960a
PB		 3290 ret = get_errno(mknod(p, arg2, arg3));
3291 unlock_user(p, arg1, 0);
31e31b8a 3292 break;
75ac37a0
TS		 3293#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
3294 case TARGET_NR_mknodat:
579a97f7
FB		 3295 if (!(p = lock_user_string(arg2)))
3296 goto efault;
3297 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
3298 unlock_user(p, arg2, 0);
75ac37a0
TS		 3299 break;
3300#endif
31e31b8a 3301 case TARGET_NR_chmod:
579a97f7
FB		 3302 if (!(p = lock_user_string(arg1)))
3303 goto efault;
53a5960a
PB		 3304 ret = get_errno(chmod(p, arg2));
3305 unlock_user(p, arg1, 0);
31e31b8a 3306 break;
ebc05488 3307#ifdef TARGET_NR_break
31e31b8a
FB		 3308 case TARGET_NR_break:
3309 goto unimplemented;
ebc05488
FB		 3310#endif
3311#ifdef TARGET_NR_oldstat
31e31b8a
FB		 3312 case TARGET_NR_oldstat:
3313 goto unimplemented;
ebc05488 3314#endif
31e31b8a
FB		 3315 case TARGET_NR_lseek:
3316 ret = get_errno(lseek(arg1, arg2, arg3));
3317 break;
7a3148a9
JM		 3318#ifdef TARGET_NR_getxpid
3319 case TARGET_NR_getxpid:
3320#else
31e31b8a 3321 case TARGET_NR_getpid:
7a3148a9 3322#endif
31e31b8a
FB		 3323 ret = get_errno(getpid());
3324 break;
3325 case TARGET_NR_mount:
80265918
TS		 3326 {
3327 /* need to look at the data field */
3328 void *p2, *p3;
3329 p = lock_user_string(arg1);
3330 p2 = lock_user_string(arg2);
3331 p3 = lock_user_string(arg3);
579a97f7
FB		 3332 if (!p || !p2 || !p3)
3333 ret = -TARGET_EFAULT;
3334 else
3335 /* FIXME - arg5 should be locked, but it isn't clear how to
3336 * do that since it's not guaranteed to be a NULL-terminated
3337 * string.
3338 */
3339 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
3340 unlock_user(p, arg1, 0);
3341 unlock_user(p2, arg2, 0);
3342 unlock_user(p3, arg3, 0);
80265918
TS		 3343 break;
3344 }
e5febef5 3345#ifdef TARGET_NR_umount
31e31b8a 3346 case TARGET_NR_umount:
579a97f7
FB		 3347 if (!(p = lock_user_string(arg1)))
3348 goto efault;
53a5960a
PB		 3349 ret = get_errno(umount(p));
3350 unlock_user(p, arg1, 0);
31e31b8a 3351 break;
e5febef5 3352#endif
7a3148a9 3353#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 3354 case TARGET_NR_stime:
3355 {
53a5960a 3356 time_t host_time;
2f619698
FB		 3357 if (get_user_sal(host_time, arg1))
3358 goto efault;
53a5960a 3359 ret = get_errno(stime(&host_time));
31e31b8a
FB		 3360 }
3361 break;
7a3148a9 3362#endif
31e31b8a
FB		 3363 case TARGET_NR_ptrace:
3364 goto unimplemented;
7a3148a9 3365#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 3366 case TARGET_NR_alarm:
3367 ret = alarm(arg1);
3368 break;
7a3148a9 3369#endif
ebc05488 3370#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 3371 case TARGET_NR_oldfstat:
3372 goto unimplemented;
ebc05488 3373#endif
7a3148a9 3374#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 3375 case TARGET_NR_pause:
3376 ret = get_errno(pause());
3377 break;
7a3148a9 3378#endif
e5febef5 3379#ifdef TARGET_NR_utime
31e31b8a 3380 case TARGET_NR_utime:
ebc05488 3381 {
53a5960a
PB		 3382 struct utimbuf tbuf, *host_tbuf;
3383 struct target_utimbuf *target_tbuf;
3384 if (arg2) {
579a97f7
FB		 3385 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
3386 goto efault;
53a5960a
PB		 3387 tbuf.actime = tswapl(target_tbuf->actime);
3388 tbuf.modtime = tswapl(target_tbuf->modtime);
3389 unlock_user_struct(target_tbuf, arg2, 0);
3390 host_tbuf = &tbuf;
f72e8ff4 3391 } else {
53a5960a 3392 host_tbuf = NULL;
f72e8ff4 3393 }
579a97f7
FB		 3394 if (!(p = lock_user_string(arg1)))
3395 goto efault;
53a5960a
PB		 3396 ret = get_errno(utime(p, host_tbuf));
3397 unlock_user(p, arg1, 0);
ebc05488
FB		 3398 }
3399 break;
e5febef5 3400#endif
978a66ff
FB		 3401 case TARGET_NR_utimes:
3402 {
978a66ff 3403 struct timeval *tvp, tv[2];
53a5960a 3404 if (arg2) {
788f5ec4
TS		 3405 if (copy_from_user_timeval(&tv[0], arg2)
3406 || copy_from_user_timeval(&tv[1],
3407 arg2 + sizeof(struct target_timeval)))
3408 goto efault;
978a66ff
FB		 3409 tvp = tv;
3410 } else {
3411 tvp = NULL;
3412 }
579a97f7
FB		 3413 if (!(p = lock_user_string(arg1)))
3414 goto efault;
53a5960a
PB		 3415 ret = get_errno(utimes(p, tvp));
3416 unlock_user(p, arg1, 0);
978a66ff
FB		 3417 }
3418 break;
ebc05488 3419#ifdef TARGET_NR_stty
31e31b8a
FB		 3420 case TARGET_NR_stty:
3421 goto unimplemented;
ebc05488
FB		 3422#endif
3423#ifdef TARGET_NR_gtty
31e31b8a
FB		 3424 case TARGET_NR_gtty:
3425 goto unimplemented;
ebc05488 3426#endif
31e31b8a 3427 case TARGET_NR_access:
579a97f7
FB		 3428 if (!(p = lock_user_string(arg1)))
3429 goto efault;
53a5960a
PB		 3430 ret = get_errno(access(p, arg2));
3431 unlock_user(p, arg1, 0);
31e31b8a 3432 break;
92a34c10
TS		 3433#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
3434 case TARGET_NR_faccessat:
579a97f7
FB		 3435 if (!(p = lock_user_string(arg2)))
3436 goto efault;
3437 ret = get_errno(sys_faccessat(arg1, p, arg3, arg4));
3438 unlock_user(p, arg2, 0);
92a34c10
TS		 3439 break;
3440#endif
7a3148a9 3441#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 3442 case TARGET_NR_nice:
3443 ret = get_errno(nice(arg1));
3444 break;
7a3148a9 3445#endif
ebc05488 3446#ifdef TARGET_NR_ftime
31e31b8a
FB		 3447 case TARGET_NR_ftime:
3448 goto unimplemented;
ebc05488 3449#endif
31e31b8a 3450 case TARGET_NR_sync:
04369ff2
FB		 3451 sync();
3452 ret = 0;
31e31b8a
FB		 3453 break;
3454 case TARGET_NR_kill:
3455 ret = get_errno(kill(arg1, arg2));
3456 break;
3457 case TARGET_NR_rename:
53a5960a
PB		 3458 {
3459 void *p2;
3460 p = lock_user_string(arg1);
3461 p2 = lock_user_string(arg2);
579a97f7
FB		 3462 if (!p || !p2)
3463 ret = -TARGET_EFAULT;
3464 else
3465 ret = get_errno(rename(p, p2));
53a5960a
PB		 3466 unlock_user(p2, arg2, 0);
3467 unlock_user(p, arg1, 0);
3468 }
31e31b8a 3469 break;
722183f6
TS		 3470#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
3471 case TARGET_NR_renameat:
722183f6 3472 {
579a97f7 3473 void *p2;
722183f6
TS		 3474 p = lock_user_string(arg2);
3475 p2 = lock_user_string(arg4);
579a97f7 3476 if (!p || !p2)
0da46a6e 3477 ret = -TARGET_EFAULT;
722183f6
TS		 3478 else
3479 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 3480 unlock_user(p2, arg4, 0);
3481 unlock_user(p, arg2, 0);
722183f6
TS		 3482 }
3483 break;
3484#endif
31e31b8a 3485 case TARGET_NR_mkdir:
579a97f7
FB		 3486 if (!(p = lock_user_string(arg1)))
3487 goto efault;
53a5960a
PB		 3488 ret = get_errno(mkdir(p, arg2));
3489 unlock_user(p, arg1, 0);
31e31b8a 3490 break;
4472ad0d
TS		 3491#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
3492 case TARGET_NR_mkdirat:
579a97f7
FB		 3493 if (!(p = lock_user_string(arg2)))
3494 goto efault;
3495 ret = get_errno(sys_mkdirat(arg1, p, arg3));
3496 unlock_user(p, arg2, 0);
4472ad0d
TS		 3497 break;
3498#endif
31e31b8a 3499 case TARGET_NR_rmdir:
579a97f7
FB		 3500 if (!(p = lock_user_string(arg1)))
3501 goto efault;
53a5960a
PB		 3502 ret = get_errno(rmdir(p));
3503 unlock_user(p, arg1, 0);
31e31b8a
FB		 3504 break;
3505 case TARGET_NR_dup:
3506 ret = get_errno(dup(arg1));
3507 break;
3508 case TARGET_NR_pipe:
3509 {
53a5960a
PB		 3510 int host_pipe[2];
3511 ret = get_errno(pipe(host_pipe));
31e31b8a 3512 if (!is_error(ret)) {
c12ab05c 3513#if defined(TARGET_MIPS)
ead9360e 3514 CPUMIPSState *env = (CPUMIPSState*)cpu_env;
d0dc7dc3 3515 env->gpr[env->current_tc][3] = host_pipe[1];
c12ab05c 3516 ret = host_pipe[0];
b5eff355
AJ		 3517#elif defined(TARGET_SH4)
3518 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
3519 ret = host_pipe[0];
c12ab05c 3520#else
2f619698
FB		 3521 if (put_user_s32(host_pipe[0], arg1)
3522 || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0])))
3523 goto efault;
c12ab05c 3524#endif
31e31b8a
FB		 3525 }
3526 }
3527 break;
3528 case TARGET_NR_times:
32f36bce 3529 {
53a5960a 3530 struct target_tms *tmsp;
32f36bce
FB		 3531 struct tms tms;
3532 ret = get_errno(times(&tms));
53a5960a 3533 if (arg1) {
579a97f7
FB		 3534 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
3535 if (!tmsp)
3536 goto efault;
c596ed17
FB		 3537 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
3538 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
3539 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
3540 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 3541 }
c596ed17
FB		 3542 if (!is_error(ret))
3543 ret = host_to_target_clock_t(ret);
32f36bce
FB		 3544 }
3545 break;
ebc05488 3546#ifdef TARGET_NR_prof
31e31b8a
FB		 3547 case TARGET_NR_prof:
3548 goto unimplemented;
ebc05488 3549#endif
e5febef5 3550#ifdef TARGET_NR_signal
31e31b8a
FB		 3551 case TARGET_NR_signal:
3552 goto unimplemented;
e5febef5 3553#endif
31e31b8a 3554 case TARGET_NR_acct:
579a97f7
FB		 3555 if (!(p = lock_user_string(arg1)))
3556 goto efault;
24836689
PB		 3557 ret = get_errno(acct(path(p)));
3558 unlock_user(p, arg1, 0);
3559 break;
7a3148a9 3560#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 3561 case TARGET_NR_umount2:
579a97f7
FB		 3562 if (!(p = lock_user_string(arg1)))
3563 goto efault;
53a5960a
PB		 3564 ret = get_errno(umount2(p, arg2));
3565 unlock_user(p, arg1, 0);
31e31b8a 3566 break;
7a3148a9 3567#endif
ebc05488 3568#ifdef TARGET_NR_lock
31e31b8a
FB		 3569 case TARGET_NR_lock:
3570 goto unimplemented;
ebc05488 3571#endif
31e31b8a
FB		 3572 case TARGET_NR_ioctl:
3573 ret = do_ioctl(arg1, arg2, arg3);
3574 break;
3575 case TARGET_NR_fcntl:
9ee1fa2c 3576 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 3577 break;
ebc05488 3578#ifdef TARGET_NR_mpx
31e31b8a
FB		 3579 case TARGET_NR_mpx:
3580 goto unimplemented;
ebc05488 3581#endif
31e31b8a
FB		 3582 case TARGET_NR_setpgid:
3583 ret = get_errno(setpgid(arg1, arg2));
3584 break;
ebc05488 3585#ifdef TARGET_NR_ulimit
31e31b8a
FB		 3586 case TARGET_NR_ulimit:
3587 goto unimplemented;
ebc05488
FB		 3588#endif
3589#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 3590 case TARGET_NR_oldolduname:
3591 goto unimplemented;
ebc05488 3592#endif
31e31b8a
FB		 3593 case TARGET_NR_umask:
3594 ret = get_errno(umask(arg1));
3595 break;
3596 case TARGET_NR_chroot:
579a97f7
FB		 3597 if (!(p = lock_user_string(arg1)))
3598 goto efault;
53a5960a
PB		 3599 ret = get_errno(chroot(p));
3600 unlock_user(p, arg1, 0);
31e31b8a
FB		 3601 break;
3602 case TARGET_NR_ustat:
3603 goto unimplemented;
3604 case TARGET_NR_dup2:
3605 ret = get_errno(dup2(arg1, arg2));
3606 break;
7a3148a9 3607#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 3608 case TARGET_NR_getppid:
3609 ret = get_errno(getppid());
3610 break;
7a3148a9 3611#endif
31e31b8a
FB		 3612 case TARGET_NR_getpgrp:
3613 ret = get_errno(getpgrp());
3614 break;
3615 case TARGET_NR_setsid:
3616 ret = get_errno(setsid());
3617 break;
e5febef5 3618#ifdef TARGET_NR_sigaction
31e31b8a 3619 case TARGET_NR_sigaction:
31e31b8a 3620 {
388bb21a 3621#if !defined(TARGET_MIPS)
53a5960a 3622 struct target_old_sigaction *old_act;
66fb9763 3623 struct target_sigaction act, oact, *pact;
53a5960a 3624 if (arg2) {
579a97f7
FB		 3625 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
3626 goto efault;
66fb9763
FB		 3627 act._sa_handler = old_act->_sa_handler;
3628 target_siginitset(&act.sa_mask, old_act->sa_mask);
3629 act.sa_flags = old_act->sa_flags;
3630 act.sa_restorer = old_act->sa_restorer;
53a5960a 3631 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 3632 pact = &act;
3633 } else {
3634 pact = NULL;
3635 }
3636 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 3637 if (!is_error(ret) && arg3) {
579a97f7
FB		 3638 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
3639 goto efault;
53a5960a
PB		 3640 old_act->_sa_handler = oact._sa_handler;
3641 old_act->sa_mask = oact.sa_mask.sig[0];
3642 old_act->sa_flags = oact.sa_flags;
3643 old_act->sa_restorer = oact.sa_restorer;
3644 unlock_user_struct(old_act, arg3, 1);
66fb9763 3645 }
388bb21a 3646#else
106ec879
FB		 3647 struct target_sigaction act, oact, *pact, *old_act;
3648
3649 if (arg2) {
579a97f7
FB		 3650 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
3651 goto efault;
106ec879
FB		 3652 act._sa_handler = old_act->_sa_handler;
3653 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
3654 act.sa_flags = old_act->sa_flags;
3655 unlock_user_struct(old_act, arg2, 0);
3656 pact = &act;
3657 } else {
3658 pact = NULL;
3659 }
3660
3661 ret = get_errno(do_sigaction(arg1, pact, &oact));
3662
3663 if (!is_error(ret) && arg3) {
579a97f7
FB		 3664 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
3665 goto efault;
106ec879
FB		 3666 old_act->_sa_handler = oact._sa_handler;
3667 old_act->sa_flags = oact.sa_flags;
3668 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
3669 old_act->sa_mask.sig[1] = 0;
3670 old_act->sa_mask.sig[2] = 0;
3671 old_act->sa_mask.sig[3] = 0;
3672 unlock_user_struct(old_act, arg3, 1);
3673 }
388bb21a 3674#endif
31e31b8a
FB		 3675 }
3676 break;
e5febef5 3677#endif
66fb9763 3678 case TARGET_NR_rt_sigaction:
53a5960a
PB		 3679 {
3680 struct target_sigaction *act;
3681 struct target_sigaction *oact;
3682
579a97f7
FB		 3683 if (arg2) {
3684 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
3685 goto efault;
3686 } else
53a5960a 3687 act = NULL;
579a97f7
FB		 3688 if (arg3) {
3689 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
3690 ret = -TARGET_EFAULT;
3691 goto rt_sigaction_fail;
3692 }
3693 } else
53a5960a
PB		 3694 oact = NULL;
3695 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 3696 rt_sigaction_fail:
3697 if (act)
53a5960a 3698 unlock_user_struct(act, arg2, 0);
579a97f7 3699 if (oact)
53a5960a
PB		 3700 unlock_user_struct(oact, arg3, 1);
3701 }
66fb9763 3702 break;
7a3148a9 3703#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 3704 case TARGET_NR_sgetmask:
66fb9763
FB		 3705 {
3706 sigset_t cur_set;
992f48a0 3707 abi_ulong target_set;
66fb9763
FB		 3708 sigprocmask(0, NULL, &cur_set);
3709 host_to_target_old_sigset(&target_set, &cur_set);
3710 ret = target_set;
3711 }
3712 break;
7a3148a9
JM		 3713#endif
3714#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 3715 case TARGET_NR_ssetmask:
66fb9763
FB		 3716 {
3717 sigset_t set, oset, cur_set;
992f48a0 3718 abi_ulong target_set = arg1;
66fb9763
FB		 3719 sigprocmask(0, NULL, &cur_set);
3720 target_to_host_old_sigset(&set, &target_set);
3721 sigorset(&set, &set, &cur_set);
3722 sigprocmask(SIG_SETMASK, &set, &oset);
3723 host_to_target_old_sigset(&target_set, &oset);
3724 ret = target_set;
3725 }
3726 break;
7a3148a9 3727#endif
e5febef5 3728#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 3729 case TARGET_NR_sigprocmask:
3730 {
3731 int how = arg1;
3732 sigset_t set, oldset, *set_ptr;
3b46e624 3733
53a5960a 3734 if (arg2) {
66fb9763
FB		 3735 switch(how) {
3736 case TARGET_SIG_BLOCK:
3737 how = SIG_BLOCK;
3738 break;
3739 case TARGET_SIG_UNBLOCK:
3740 how = SIG_UNBLOCK;
3741 break;
3742 case TARGET_SIG_SETMASK:
3743 how = SIG_SETMASK;
3744 break;
3745 default:
0da46a6e 3746 ret = -TARGET_EINVAL;
66fb9763
FB		 3747 goto fail;
3748 }
579a97f7
FB		 3749 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
3750 goto efault;
53a5960a
PB		 3751 target_to_host_old_sigset(&set, p);
3752 unlock_user(p, arg2, 0);
66fb9763
FB		 3753 set_ptr = &set;
3754 } else {
3755 how = 0;
3756 set_ptr = NULL;
3757 }
3758 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a 3759 if (!is_error(ret) && arg3) {
579a97f7
FB		 3760 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
3761 goto efault;
53a5960a
PB		 3762 host_to_target_old_sigset(p, &oldset);
3763 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 3764 }
3765 }
3766 break;
e5febef5 3767#endif
66fb9763
FB		 3768 case TARGET_NR_rt_sigprocmask:
3769 {
3770 int how = arg1;
3771 sigset_t set, oldset, *set_ptr;
3b46e624 3772
53a5960a 3773 if (arg2) {
66fb9763
FB		 3774 switch(how) {
3775 case TARGET_SIG_BLOCK:
3776 how = SIG_BLOCK;
3777 break;
3778 case TARGET_SIG_UNBLOCK:
3779 how = SIG_UNBLOCK;
3780 break;
3781 case TARGET_SIG_SETMASK:
3782 how = SIG_SETMASK;
3783 break;
3784 default:
0da46a6e 3785 ret = -TARGET_EINVAL;
66fb9763
FB		 3786 goto fail;
3787 }
579a97f7
FB		 3788 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
3789 goto efault;
53a5960a
PB		 3790 target_to_host_sigset(&set, p);
3791 unlock_user(p, arg2, 0);
66fb9763
FB		 3792 set_ptr = &set;
3793 } else {
3794 how = 0;
3795 set_ptr = NULL;
3796 }
3797 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 3798 if (!is_error(ret) && arg3) {
579a97f7
FB		 3799 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
3800 goto efault;
53a5960a
PB		 3801 host_to_target_sigset(p, &oldset);
3802 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 3803 }
3804 }
3805 break;
e5febef5 3806#ifdef TARGET_NR_sigpending
66fb9763
FB		 3807 case TARGET_NR_sigpending:
3808 {
3809 sigset_t set;
3810 ret = get_errno(sigpending(&set));
3811 if (!is_error(ret)) {
579a97f7
FB		 3812 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
3813 goto efault;
53a5960a
PB		 3814 host_to_target_old_sigset(p, &set);
3815 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3816 }
3817 }
3818 break;
e5febef5 3819#endif
66fb9763
FB		 3820 case TARGET_NR_rt_sigpending:
3821 {
3822 sigset_t set;
3823 ret = get_errno(sigpending(&set));
3824 if (!is_error(ret)) {
579a97f7
FB		 3825 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
3826 goto efault;
53a5960a
PB		 3827 host_to_target_sigset(p, &set);
3828 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3829 }
3830 }
3831 break;
e5febef5 3832#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 3833 case TARGET_NR_sigsuspend:
3834 {
3835 sigset_t set;
579a97f7
FB		 3836 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
3837 goto efault;
53a5960a
PB		 3838 target_to_host_old_sigset(&set, p);
3839 unlock_user(p, arg1, 0);
66fb9763
FB		 3840 ret = get_errno(sigsuspend(&set));
3841 }
3842 break;
e5febef5 3843#endif
66fb9763
FB		 3844 case TARGET_NR_rt_sigsuspend:
3845 {
3846 sigset_t set;
579a97f7
FB		 3847 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
3848 goto efault;
53a5960a
PB		 3849 target_to_host_sigset(&set, p);
3850 unlock_user(p, arg1, 0);
66fb9763
FB		 3851 ret = get_errno(sigsuspend(&set));
3852 }
3853 break;
3854 case TARGET_NR_rt_sigtimedwait:
3855 {
66fb9763
FB		 3856 sigset_t set;
3857 struct timespec uts, *puts;
3858 siginfo_t uinfo;
3b46e624 3859
579a97f7
FB		 3860 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
3861 goto efault;
53a5960a
PB		 3862 target_to_host_sigset(&set, p);
3863 unlock_user(p, arg1, 0);
3864 if (arg3) {
66fb9763 3865 puts = &uts;
53a5960a 3866 target_to_host_timespec(puts, arg3);
66fb9763
FB		 3867 } else {
3868 puts = NULL;
3869 }
3870 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 3871 if (!is_error(ret) && arg2) {
579a97f7
FB		 3872 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_sigset_t), 0)))
3873 goto efault;
53a5960a
PB		 3874 host_to_target_siginfo(p, &uinfo);
3875 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 3876 }
3877 }
3878 break;
3879 case TARGET_NR_rt_sigqueueinfo:
3880 {
3881 siginfo_t uinfo;
579a97f7
FB		 3882 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
3883 goto efault;
53a5960a
PB		 3884 target_to_host_siginfo(&uinfo, p);
3885 unlock_user(p, arg1, 0);
66fb9763
FB		 3886 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3887 }
3888 break;
e5febef5 3889#ifdef TARGET_NR_sigreturn
66fb9763
FB		 3890 case TARGET_NR_sigreturn:
3891 /* NOTE: ret is eax, so not transcoding must be done */
3892 ret = do_sigreturn(cpu_env);
3893 break;
e5febef5 3894#endif
66fb9763
FB		 3895 case TARGET_NR_rt_sigreturn:
3896 /* NOTE: ret is eax, so not transcoding must be done */
3897 ret = do_rt_sigreturn(cpu_env);
3898 break;
31e31b8a 3899 case TARGET_NR_sethostname:
579a97f7
FB		 3900 if (!(p = lock_user_string(arg1)))
3901 goto efault;
53a5960a
PB		 3902 ret = get_errno(sethostname(p, arg2));
3903 unlock_user(p, arg1, 0);
31e31b8a
FB		 3904 break;
3905 case TARGET_NR_setrlimit:
9de5e440
FB		 3906 {
3907 /* XXX: convert resource ? */
3908 int resource = arg1;
53a5960a 3909 struct target_rlimit *target_rlim;
9de5e440 3910 struct rlimit rlim;
579a97f7
FB		 3911 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
3912 goto efault;
9de5e440
FB		 3913 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3914 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 3915 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 3916 ret = get_errno(setrlimit(resource, &rlim));
3917 }
3918 break;
31e31b8a 3919 case TARGET_NR_getrlimit:
9de5e440
FB		 3920 {
3921 /* XXX: convert resource ? */
3922 int resource = arg1;
53a5960a 3923 struct target_rlimit *target_rlim;
9de5e440 3924 struct rlimit rlim;
3b46e624 3925
9de5e440
FB		 3926 ret = get_errno(getrlimit(resource, &rlim));
3927 if (!is_error(ret)) {
579a97f7
FB		 3928 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
3929 goto efault;
53a5960a
PB		 3930 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3931 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3932 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3933 }
3934 }
3935 break;
31e31b8a 3936 case TARGET_NR_getrusage:
b409186b
FB		 3937 {
3938 struct rusage rusage;
b409186b
FB		 3939 ret = get_errno(getrusage(arg1, &rusage));
3940 if (!is_error(ret)) {
53a5960a 3941 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 3942 }
3943 }
3944 break;
31e31b8a
FB		 3945 case TARGET_NR_gettimeofday:
3946 {
31e31b8a
FB		 3947 struct timeval tv;
3948 ret = get_errno(gettimeofday(&tv, NULL));
3949 if (!is_error(ret)) {
788f5ec4
TS		 3950 if (copy_to_user_timeval(arg1, &tv))
3951 goto efault;
31e31b8a
FB		 3952 }
3953 }
3954 break;
3955 case TARGET_NR_settimeofday:
3956 {
31e31b8a 3957 struct timeval tv;
788f5ec4
TS		 3958 if (copy_from_user_timeval(&tv, arg1))
3959 goto efault;
31e31b8a
FB		 3960 ret = get_errno(settimeofday(&tv, NULL));
3961 }
3962 break;
048f6b4d 3963#ifdef TARGET_NR_select
31e31b8a 3964 case TARGET_NR_select:
f2674e31 3965 {
53a5960a 3966 struct target_sel_arg_struct *sel;
992f48a0 3967 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 3968 long nsel;
3969
579a97f7
FB		 3970 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
3971 goto efault;
53a5960a
PB		 3972 nsel = tswapl(sel->n);
3973 inp = tswapl(sel->inp);
3974 outp = tswapl(sel->outp);
3975 exp = tswapl(sel->exp);
3976 tvp = tswapl(sel->tvp);
3977 unlock_user_struct(sel, arg1, 0);
3978 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 3979 }
3980 break;
048f6b4d 3981#endif
31e31b8a 3982 case TARGET_NR_symlink:
53a5960a
PB		 3983 {
3984 void *p2;
3985 p = lock_user_string(arg1);
3986 p2 = lock_user_string(arg2);
579a97f7
FB		 3987 if (!p || !p2)
3988 ret = -TARGET_EFAULT;
3989 else
3990 ret = get_errno(symlink(p, p2));
53a5960a
PB		 3991 unlock_user(p2, arg2, 0);
3992 unlock_user(p, arg1, 0);
3993 }
31e31b8a 3994 break;
f0b6243d
TS		 3995#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
3996 case TARGET_NR_symlinkat:
f0b6243d 3997 {
579a97f7 3998 void *p2;
f0b6243d
TS		 3999 p = lock_user_string(arg1);
4000 p2 = lock_user_string(arg3);
579a97f7 4001 if (!p || !p2)
0da46a6e 4002 ret = -TARGET_EFAULT;
f0b6243d
TS		 4003 else
4004 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 4005 unlock_user(p2, arg3, 0);
4006 unlock_user(p, arg1, 0);
f0b6243d
TS		 4007 }
4008 break;
4009#endif
ebc05488 4010#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 4011 case TARGET_NR_oldlstat:
4012 goto unimplemented;
ebc05488 4013#endif
31e31b8a 4014 case TARGET_NR_readlink:
53a5960a
PB		 4015 {
4016 void *p2;
4017 p = lock_user_string(arg1);
579a97f7
FB		 4018 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
4019 if (!p || !p2)
4020 ret = -TARGET_EFAULT;
4021 else
4022 ret = get_errno(readlink(path(p), p2, arg3));
53a5960a
PB		 4023 unlock_user(p2, arg2, ret);
4024 unlock_user(p, arg1, 0);
4025 }
31e31b8a 4026 break;
5e0ccb18
TS		 4027#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
4028 case TARGET_NR_readlinkat:
5e0ccb18 4029 {
579a97f7 4030 void *p2;
5e0ccb18 4031 p = lock_user_string(arg2);
579a97f7
FB		 4032 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
4033 if (!p || !p2)
0da46a6e 4034 ret = -TARGET_EFAULT;
5e0ccb18
TS		 4035 else
4036 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 4037 unlock_user(p2, arg3, ret);
4038 unlock_user(p, arg2, 0);
5e0ccb18
TS		 4039 }
4040 break;
4041#endif
e5febef5 4042#ifdef TARGET_NR_uselib
31e31b8a
FB		 4043 case TARGET_NR_uselib:
4044 goto unimplemented;
e5febef5
TS		 4045#endif
4046#ifdef TARGET_NR_swapon
31e31b8a 4047 case TARGET_NR_swapon:
579a97f7
FB		 4048 if (!(p = lock_user_string(arg1)))
4049 goto efault;
53a5960a
PB		 4050 ret = get_errno(swapon(p, arg2));
4051 unlock_user(p, arg1, 0);
31e31b8a 4052 break;
e5febef5 4053#endif
31e31b8a
FB		 4054 case TARGET_NR_reboot:
4055 goto unimplemented;
e5febef5 4056#ifdef TARGET_NR_readdir
31e31b8a
FB		 4057 case TARGET_NR_readdir:
4058 goto unimplemented;
e5febef5
TS		 4059#endif
4060#ifdef TARGET_NR_mmap
31e31b8a 4061 case TARGET_NR_mmap:
d2fd1af7 4062#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
31e31b8a 4063 {
992f48a0
BS		 4064 abi_ulong *v;
4065 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 4066 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
4067 goto efault;
53a5960a
PB		 4068 v1 = tswapl(v[0]);
4069 v2 = tswapl(v[1]);
4070 v3 = tswapl(v[2]);
4071 v4 = tswapl(v[3]);
4072 v5 = tswapl(v[4]);
4073 v6 = tswapl(v[5]);
4074 unlock_user(v, arg1, 0);
5fafdf24 4075 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 4076 target_to_host_bitmask(v4, mmap_flags_tbl),
4077 v5, v6));
31e31b8a 4078 }
31e31b8a 4079#else
5fafdf24
TS		 4080 ret = get_errno(target_mmap(arg1, arg2, arg3,
4081 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 4082 arg5,
4083 arg6));
31e31b8a 4084#endif
6fb883e8 4085 break;
e5febef5 4086#endif
a315a145 4087#ifdef TARGET_NR_mmap2
6fb883e8 4088 case TARGET_NR_mmap2:
bb7ec043 4089#ifndef MMAP_SHIFT
c573ff67 4090#define MMAP_SHIFT 12
c573ff67 4091#endif
5fafdf24
TS		 4092 ret = get_errno(target_mmap(arg1, arg2, arg3,
4093 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 4094 arg5,
c573ff67 4095 arg6 << MMAP_SHIFT));
31e31b8a 4096 break;
a315a145 4097#endif
31e31b8a 4098 case TARGET_NR_munmap:
54936004 4099 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 4100 break;
9de5e440 4101 case TARGET_NR_mprotect:
54936004 4102 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 4103 break;
e5febef5 4104#ifdef TARGET_NR_mremap
9de5e440 4105 case TARGET_NR_mremap:
54936004 4106 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 4107 break;
e5febef5 4108#endif
53a5960a 4109 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 4110#ifdef TARGET_NR_msync
9de5e440 4111 case TARGET_NR_msync:
53a5960a 4112 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 4113 break;
e5febef5
TS		 4114#endif
4115#ifdef TARGET_NR_mlock
9de5e440 4116 case TARGET_NR_mlock:
53a5960a 4117 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 4118 break;
e5febef5
TS		 4119#endif
4120#ifdef TARGET_NR_munlock
9de5e440 4121 case TARGET_NR_munlock:
53a5960a 4122 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 4123 break;
e5febef5
TS		 4124#endif
4125#ifdef TARGET_NR_mlockall
9de5e440
FB		 4126 case TARGET_NR_mlockall:
4127 ret = get_errno(mlockall(arg1));
4128 break;
e5febef5
TS		 4129#endif
4130#ifdef TARGET_NR_munlockall
9de5e440
FB		 4131 case TARGET_NR_munlockall:
4132 ret = get_errno(munlockall());
4133 break;
e5febef5 4134#endif
31e31b8a 4135 case TARGET_NR_truncate:
579a97f7
FB		 4136 if (!(p = lock_user_string(arg1)))
4137 goto efault;
53a5960a
PB		 4138 ret = get_errno(truncate(p, arg2));
4139 unlock_user(p, arg1, 0);
31e31b8a
FB		 4140 break;
4141 case TARGET_NR_ftruncate:
4142 ret = get_errno(ftruncate(arg1, arg2));
4143 break;
4144 case TARGET_NR_fchmod:
4145 ret = get_errno(fchmod(arg1, arg2));
4146 break;
814d7977
TS		 4147#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
4148 case TARGET_NR_fchmodat:
579a97f7
FB		 4149 if (!(p = lock_user_string(arg2)))
4150 goto efault;
4151 ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4));
4152 unlock_user(p, arg2, 0);
814d7977
TS		 4153 break;
4154#endif
31e31b8a 4155 case TARGET_NR_getpriority:
c6cda17a
TS		 4156 /* libc does special remapping of the return value of
4157 * sys_getpriority() so it's just easiest to call
4158 * sys_getpriority() directly rather than through libc. */
4159 ret = sys_getpriority(arg1, arg2);
31e31b8a
FB		 4160 break;
4161 case TARGET_NR_setpriority:
4162 ret = get_errno(setpriority(arg1, arg2, arg3));
4163 break;
ebc05488 4164#ifdef TARGET_NR_profil
31e31b8a
FB		 4165 case TARGET_NR_profil:
4166 goto unimplemented;
ebc05488 4167#endif
31e31b8a 4168 case TARGET_NR_statfs:
579a97f7
FB		 4169 if (!(p = lock_user_string(arg1)))
4170 goto efault;
53a5960a
PB		 4171 ret = get_errno(statfs(path(p), &stfs));
4172 unlock_user(p, arg1, 0);
31e31b8a
FB		 4173 convert_statfs:
4174 if (!is_error(ret)) {
53a5960a 4175 struct target_statfs *target_stfs;
3b46e624 4176
579a97f7
FB		 4177 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
4178 goto efault;
4179 __put_user(stfs.f_type, &target_stfs->f_type);
4180 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4181 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4182 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4183 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4184 __put_user(stfs.f_files, &target_stfs->f_files);
4185 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4186 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4187 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4188 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 4189 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 4190 }
4191 break;
4192 case TARGET_NR_fstatfs:
56c8f68f 4193 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 4194 goto convert_statfs;
56c8f68f
FB		 4195#ifdef TARGET_NR_statfs64
4196 case TARGET_NR_statfs64:
579a97f7
FB		 4197 if (!(p = lock_user_string(arg1)))
4198 goto efault;
53a5960a
PB		 4199 ret = get_errno(statfs(path(p), &stfs));
4200 unlock_user(p, arg1, 0);
56c8f68f
FB		 4201 convert_statfs64:
4202 if (!is_error(ret)) {
53a5960a 4203 struct target_statfs64 *target_stfs;
3b46e624 4204
579a97f7
FB		 4205 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
4206 goto efault;
4207 __put_user(stfs.f_type, &target_stfs->f_type);
4208 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4209 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4210 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4211 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4212 __put_user(stfs.f_files, &target_stfs->f_files);
4213 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4214 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4215 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4216 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
4217 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 4218 }
4219 break;
4220 case TARGET_NR_fstatfs64:
4221 ret = get_errno(fstatfs(arg1, &stfs));
4222 goto convert_statfs64;
4223#endif
ebc05488 4224#ifdef TARGET_NR_ioperm
31e31b8a
FB		 4225 case TARGET_NR_ioperm:
4226 goto unimplemented;
ebc05488 4227#endif
e5febef5 4228#ifdef TARGET_NR_socketcall
31e31b8a 4229 case TARGET_NR_socketcall:
53a5960a 4230 ret = do_socketcall(arg1, arg2);
31e31b8a 4231 break;
e5febef5 4232#endif
3532fa74
FB		 4233#ifdef TARGET_NR_accept
4234 case TARGET_NR_accept:
1be9e1dc 4235 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 4236 break;
4237#endif
4238#ifdef TARGET_NR_bind
4239 case TARGET_NR_bind:
4240 ret = do_bind(arg1, arg2, arg3);
4241 break;
4242#endif
4243#ifdef TARGET_NR_connect
4244 case TARGET_NR_connect:
4245 ret = do_connect(arg1, arg2, arg3);
4246 break;
4247#endif
4248#ifdef TARGET_NR_getpeername
4249 case TARGET_NR_getpeername:
1be9e1dc 4250 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 4251 break;
4252#endif
4253#ifdef TARGET_NR_getsockname
4254 case TARGET_NR_getsockname:
1be9e1dc 4255 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 4256 break;
4257#endif
4258#ifdef TARGET_NR_getsockopt
4259 case TARGET_NR_getsockopt:
4260 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
4261 break;
4262#endif
4263#ifdef TARGET_NR_listen
4264 case TARGET_NR_listen:
1be9e1dc 4265 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 4266 break;
4267#endif
4268#ifdef TARGET_NR_recv
4269 case TARGET_NR_recv:
214201bd 4270 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 4271 break;
4272#endif
4273#ifdef TARGET_NR_recvfrom
4274 case TARGET_NR_recvfrom:
214201bd 4275 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 4276 break;
4277#endif
4278#ifdef TARGET_NR_recvmsg
4279 case TARGET_NR_recvmsg:
4280 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
4281 break;
4282#endif
4283#ifdef TARGET_NR_send
4284 case TARGET_NR_send:
1be9e1dc 4285 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 4286 break;
4287#endif
4288#ifdef TARGET_NR_sendmsg
4289 case TARGET_NR_sendmsg:
4290 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
4291 break;
4292#endif
4293#ifdef TARGET_NR_sendto
4294 case TARGET_NR_sendto:
1be9e1dc 4295 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 4296 break;
4297#endif
4298#ifdef TARGET_NR_shutdown
4299 case TARGET_NR_shutdown:
1be9e1dc 4300 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 4301 break;
4302#endif
4303#ifdef TARGET_NR_socket
4304 case TARGET_NR_socket:
4305 ret = do_socket(arg1, arg2, arg3);
4306 break;
4307#endif
4308#ifdef TARGET_NR_socketpair
4309 case TARGET_NR_socketpair:
1be9e1dc 4310 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 4311 break;
4312#endif
4313#ifdef TARGET_NR_setsockopt
4314 case TARGET_NR_setsockopt:
4315 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
4316 break;
4317#endif
7494b0f9 4318
31e31b8a 4319 case TARGET_NR_syslog:
579a97f7
FB		 4320 if (!(p = lock_user_string(arg2)))
4321 goto efault;
e5574487
TS		 4322 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
4323 unlock_user(p, arg2, 0);
7494b0f9
TS		 4324 break;
4325
31e31b8a 4326 case TARGET_NR_setitimer:
66fb9763 4327 {
66fb9763
FB		 4328 struct itimerval value, ovalue, *pvalue;
4329
53a5960a 4330 if (arg2) {
66fb9763 4331 pvalue = &value;
788f5ec4
TS		 4332 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
4333 || copy_from_user_timeval(&pvalue->it_value,
4334 arg2 + sizeof(struct target_timeval)))
4335 goto efault;
66fb9763
FB		 4336 } else {
4337 pvalue = NULL;
4338 }
4339 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 4340 if (!is_error(ret) && arg3) {
788f5ec4
TS		 4341 if (copy_to_user_timeval(arg3,
4342 &ovalue.it_interval)
4343 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
4344 &ovalue.it_value))
4345 goto efault;
66fb9763
FB		 4346 }
4347 }
4348 break;
31e31b8a 4349 case TARGET_NR_getitimer:
66fb9763 4350 {
66fb9763 4351 struct itimerval value;
3b46e624 4352
66fb9763 4353 ret = get_errno(getitimer(arg1, &value));
53a5960a 4354 if (!is_error(ret) && arg2) {
788f5ec4
TS		 4355 if (copy_to_user_timeval(arg2,
4356 &value.it_interval)
4357 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
4358 &value.it_value))
4359 goto efault;
66fb9763
FB		 4360 }
4361 }
4362 break;
31e31b8a 4363 case TARGET_NR_stat:
579a97f7
FB		 4364 if (!(p = lock_user_string(arg1)))
4365 goto efault;
53a5960a
PB		 4366 ret = get_errno(stat(path(p), &st));
4367 unlock_user(p, arg1, 0);
31e31b8a
FB		 4368 goto do_stat;
4369 case TARGET_NR_lstat:
579a97f7
FB		 4370 if (!(p = lock_user_string(arg1)))
4371 goto efault;
53a5960a
PB		 4372 ret = get_errno(lstat(path(p), &st));
4373 unlock_user(p, arg1, 0);
31e31b8a
FB		 4374 goto do_stat;
4375 case TARGET_NR_fstat:
4376 {
4377 ret = get_errno(fstat(arg1, &st));
4378 do_stat:
4379 if (!is_error(ret)) {
53a5960a 4380 struct target_stat *target_st;
e3584658 4381
579a97f7
FB		 4382 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
4383 goto efault;
d2fd1af7
FB		 4384 __put_user(st.st_dev, &target_st->st_dev);
4385 __put_user(st.st_ino, &target_st->st_ino);
4386 __put_user(st.st_mode, &target_st->st_mode);
4387 __put_user(st.st_uid, &target_st->st_uid);
4388 __put_user(st.st_gid, &target_st->st_gid);
4389 __put_user(st.st_nlink, &target_st->st_nlink);
4390 __put_user(st.st_rdev, &target_st->st_rdev);
4391 __put_user(st.st_size, &target_st->st_size);
4392 __put_user(st.st_blksize, &target_st->st_blksize);
4393 __put_user(st.st_blocks, &target_st->st_blocks);
4394 __put_user(st.st_atime, &target_st->target_st_atime);
4395 __put_user(st.st_mtime, &target_st->target_st_mtime);
4396 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4397 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 4398 }
4399 }
4400 break;
ebc05488 4401#ifdef TARGET_NR_olduname
31e31b8a
FB		 4402 case TARGET_NR_olduname:
4403 goto unimplemented;
ebc05488
FB		 4404#endif
4405#ifdef TARGET_NR_iopl
31e31b8a
FB		 4406 case TARGET_NR_iopl:
4407 goto unimplemented;
ebc05488 4408#endif
31e31b8a
FB		 4409 case TARGET_NR_vhangup:
4410 ret = get_errno(vhangup());
4411 break;
ebc05488 4412#ifdef TARGET_NR_idle
31e31b8a
FB		 4413 case TARGET_NR_idle:
4414 goto unimplemented;
42ad6ae9
FB		 4415#endif
4416#ifdef TARGET_NR_syscall
4417 case TARGET_NR_syscall:
4418 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
4419 break;
ebc05488 4420#endif
31e31b8a
FB		 4421 case TARGET_NR_wait4:
4422 {
4423 int status;
992f48a0 4424 abi_long status_ptr = arg2;
31e31b8a 4425 struct rusage rusage, *rusage_ptr;
992f48a0 4426 abi_ulong target_rusage = arg4;
31e31b8a
FB		 4427 if (target_rusage)
4428 rusage_ptr = &rusage;
4429 else
4430 rusage_ptr = NULL;
4431 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
4432 if (!is_error(ret)) {
2f619698
FB		 4433 if (status_ptr) {
4434 if (put_user_s32(status, status_ptr))
4435 goto efault;
31e31b8a 4436 }
2f619698
FB		 4437 if (target_rusage)
4438 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 4439 }
4440 }
4441 break;
e5febef5 4442#ifdef TARGET_NR_swapoff
31e31b8a 4443 case TARGET_NR_swapoff:
579a97f7
FB		 4444 if (!(p = lock_user_string(arg1)))
4445 goto efault;
53a5960a
PB		 4446 ret = get_errno(swapoff(p));
4447 unlock_user(p, arg1, 0);
31e31b8a 4448 break;
e5febef5 4449#endif
31e31b8a 4450 case TARGET_NR_sysinfo:
a5448a7d 4451 {
53a5960a 4452 struct target_sysinfo *target_value;
a5448a7d
FB		 4453 struct sysinfo value;
4454 ret = get_errno(sysinfo(&value));
53a5960a 4455 if (!is_error(ret) && arg1)
a5448a7d 4456 {
579a97f7
FB		 4457 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
4458 goto efault;
a5448a7d
FB		 4459 __put_user(value.uptime, &target_value->uptime);
4460 __put_user(value.loads[0], &target_value->loads[0]);
4461 __put_user(value.loads[1], &target_value->loads[1]);
4462 __put_user(value.loads[2], &target_value->loads[2]);
4463 __put_user(value.totalram, &target_value->totalram);
4464 __put_user(value.freeram, &target_value->freeram);
4465 __put_user(value.sharedram, &target_value->sharedram);
4466 __put_user(value.bufferram, &target_value->bufferram);
4467 __put_user(value.totalswap, &target_value->totalswap);
4468 __put_user(value.freeswap, &target_value->freeswap);
4469 __put_user(value.procs, &target_value->procs);
4470 __put_user(value.totalhigh, &target_value->totalhigh);
4471 __put_user(value.freehigh, &target_value->freehigh);
4472 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 4473 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 4474 }
4475 }
4476 break;
e5febef5 4477#ifdef TARGET_NR_ipc
31e31b8a 4478 case TARGET_NR_ipc:
8853f86e
FB		 4479 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
4480 break;
e5febef5 4481#endif
31e31b8a
FB		 4482 case TARGET_NR_fsync:
4483 ret = get_errno(fsync(arg1));
4484 break;
31e31b8a 4485 case TARGET_NR_clone:
1b6b029e
FB		 4486 ret = get_errno(do_fork(cpu_env, arg1, arg2));
4487 break;
ec86b0fb
FB		 4488#ifdef __NR_exit_group
4489 /* new thread calls */
4490 case TARGET_NR_exit_group:
e9009676 4491 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 4492 ret = get_errno(exit_group(arg1));
4493 break;
4494#endif
31e31b8a 4495 case TARGET_NR_setdomainname:
579a97f7
FB		 4496 if (!(p = lock_user_string(arg1)))
4497 goto efault;
53a5960a
PB		 4498 ret = get_errno(setdomainname(p, arg2));
4499 unlock_user(p, arg1, 0);
31e31b8a
FB		 4500 break;
4501 case TARGET_NR_uname:
4502 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 4503 {
4504 struct new_utsname * buf;
3b46e624 4505
579a97f7
FB		 4506 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
4507 goto efault;
29e619b1
FB		 4508 ret = get_errno(sys_uname(buf));
4509 if (!is_error(ret)) {
4510 /* Overrite the native machine name with whatever is being
4511 emulated. */
4512 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 4513 /* Allow the user to override the reported release. */
4514 if (qemu_uname_release && *qemu_uname_release)
4515 strcpy (buf->release, qemu_uname_release);
29e619b1 4516 }
53a5960a 4517 unlock_user_struct(buf, arg1, 1);
29e619b1 4518 }
31e31b8a 4519 break;
6dbad63e 4520#ifdef TARGET_I386
31e31b8a 4521 case TARGET_NR_modify_ldt:
03acab66 4522 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 4523 break;
84409ddb 4524#if !defined(TARGET_X86_64)
5cd4393b
FB		 4525 case TARGET_NR_vm86old:
4526 goto unimplemented;
4527 case TARGET_NR_vm86:
53a5960a 4528 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 4529 break;
84409ddb 4530#endif
6dbad63e 4531#endif
31e31b8a
FB		 4532 case TARGET_NR_adjtimex:
4533 goto unimplemented;
e5febef5 4534#ifdef TARGET_NR_create_module
31e31b8a 4535 case TARGET_NR_create_module:
e5febef5 4536#endif
31e31b8a
FB		 4537 case TARGET_NR_init_module:
4538 case TARGET_NR_delete_module:
e5febef5 4539#ifdef TARGET_NR_get_kernel_syms
31e31b8a 4540 case TARGET_NR_get_kernel_syms:
e5febef5 4541#endif
31e31b8a
FB		 4542 goto unimplemented;
4543 case TARGET_NR_quotactl:
4544 goto unimplemented;
4545 case TARGET_NR_getpgid:
4546 ret = get_errno(getpgid(arg1));
4547 break;
4548 case TARGET_NR_fchdir:
4549 ret = get_errno(fchdir(arg1));
4550 break;
84409ddb 4551#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 4552 case TARGET_NR_bdflush:
4553 goto unimplemented;
84409ddb 4554#endif
e5febef5 4555#ifdef TARGET_NR_sysfs
31e31b8a
FB		 4556 case TARGET_NR_sysfs:
4557 goto unimplemented;
e5febef5 4558#endif
31e31b8a 4559 case TARGET_NR_personality:
1b6b029e 4560 ret = get_errno(personality(arg1));
31e31b8a 4561 break;
e5febef5 4562#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 4563 case TARGET_NR_afs_syscall:
4564 goto unimplemented;
e5febef5 4565#endif
7a3148a9 4566#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 4567 case TARGET_NR__llseek:
4568 {
4f2ac237
FB		 4569#if defined (__x86_64__)
4570 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2f619698
FB		 4571 if (put_user_s64(ret, arg4))
4572 goto efault;
4f2ac237 4573#else
31e31b8a
FB		 4574 int64_t res;
4575 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2f619698
FB		 4576 if (put_user_s64(res, arg4))
4577 goto efault;
4f2ac237 4578#endif
31e31b8a
FB		 4579 }
4580 break;
7a3148a9 4581#endif
31e31b8a 4582 case TARGET_NR_getdents:
992f48a0 4583#if TARGET_ABI_BITS != 32
53a5960a 4584 goto unimplemented;
992f48a0 4585#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 4586 {
53a5960a 4587 struct target_dirent *target_dirp;
4add45b4 4588 struct dirent *dirp;
992f48a0 4589 abi_long count = arg3;
4add45b4
FB		 4590
4591 dirp = malloc(count);
0da46a6e 4592 if (!dirp) {
579a97f7 4593 ret = -TARGET_ENOMEM;
0da46a6e
TS		 4594 goto fail;
4595 }
3b46e624 4596
4add45b4
FB		 4597 ret = get_errno(sys_getdents(arg1, dirp, count));
4598 if (!is_error(ret)) {
4599 struct dirent *de;
4600 struct target_dirent *tde;
4601 int len = ret;
4602 int reclen, treclen;
4603 int count1, tnamelen;
4604
4605 count1 = 0;
4606 de = dirp;
579a97f7
FB		 4607 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
4608 goto efault;
4add45b4
FB		 4609 tde = target_dirp;
4610 while (len > 0) {
4611 reclen = de->d_reclen;
992f48a0 4612 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 4613 tde->d_reclen = tswap16(treclen);
4614 tde->d_ino = tswapl(de->d_ino);
4615 tde->d_off = tswapl(de->d_off);
992f48a0 4616 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 4617 if (tnamelen > 256)
4618 tnamelen = 256;
80a9d035 4619 /* XXX: may not be correct */
4add45b4
FB		 4620 strncpy(tde->d_name, de->d_name, tnamelen);
4621 de = (struct dirent *)((char *)de + reclen);
4622 len -= reclen;
1c5bf3bf 4623 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 4624 count1 += treclen;
4625 }
4626 ret = count1;
579a97f7 4627 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 4628 }
4629 free(dirp);
4630 }
4631#else
31e31b8a 4632 {
53a5960a 4633 struct dirent *dirp;
992f48a0 4634 abi_long count = arg3;
dab2ed99 4635
579a97f7
FB		 4636 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
4637 goto efault;
72f03900 4638 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 4639 if (!is_error(ret)) {
4640 struct dirent *de;
4641 int len = ret;
4642 int reclen;
4643 de = dirp;
4644 while (len > 0) {
8083a3e5 4645 reclen = de->d_reclen;
31e31b8a
FB		 4646 if (reclen > len)
4647 break;
8083a3e5 4648 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 4649 tswapls(&de->d_ino);
4650 tswapls(&de->d_off);
4651 de = (struct dirent *)((char *)de + reclen);
4652 len -= reclen;
4653 }
4654 }
53a5960a 4655 unlock_user(dirp, arg2, ret);
31e31b8a 4656 }
4add45b4 4657#endif
31e31b8a 4658 break;
3ae43202 4659#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 4660 case TARGET_NR_getdents64:
4661 {
53a5960a 4662 struct dirent64 *dirp;
992f48a0 4663 abi_long count = arg3;
579a97f7
FB		 4664 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
4665 goto efault;
dab2ed99
FB		 4666 ret = get_errno(sys_getdents64(arg1, dirp, count));
4667 if (!is_error(ret)) {
4668 struct dirent64 *de;
4669 int len = ret;
4670 int reclen;
4671 de = dirp;
4672 while (len > 0) {
8083a3e5 4673 reclen = de->d_reclen;
dab2ed99
FB		 4674 if (reclen > len)
4675 break;
8083a3e5 4676 de->d_reclen = tswap16(reclen);
8582a53a
FB		 4677 tswap64s((uint64_t *)&de->d_ino);
4678 tswap64s((uint64_t *)&de->d_off);
dab2ed99
FB		 4679 de = (struct dirent64 *)((char *)de + reclen);
4680 len -= reclen;
4681 }
4682 }
53a5960a 4683 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 4684 }
4685 break;
a541f297 4686#endif /* TARGET_NR_getdents64 */
e5febef5 4687#ifdef TARGET_NR__newselect
31e31b8a 4688 case TARGET_NR__newselect:
53a5960a 4689 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 4690 break;
e5febef5
TS		 4691#endif
4692#ifdef TARGET_NR_poll
9de5e440
FB		 4693 case TARGET_NR_poll:
4694 {
53a5960a 4695 struct target_pollfd *target_pfd;
9de5e440
FB		 4696 unsigned int nfds = arg2;
4697 int timeout = arg3;
4698 struct pollfd *pfd;
7854b056 4699 unsigned int i;
9de5e440 4700
579a97f7
FB		 4701 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
4702 if (!target_pfd)
4703 goto efault;
9de5e440
FB		 4704 pfd = alloca(sizeof(struct pollfd) * nfds);
4705 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 4706 pfd[i].fd = tswap32(target_pfd[i].fd);
4707 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 4708 }
4709 ret = get_errno(poll(pfd, nfds, timeout));
4710 if (!is_error(ret)) {
4711 for(i = 0; i < nfds; i++) {
5cd4393b 4712 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 4713 }
53a5960a
PB		 4714 ret += nfds * (sizeof(struct target_pollfd)
4715 - sizeof(struct pollfd));
9de5e440 4716 }
53a5960a 4717 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 4718 }
4719 break;
e5febef5 4720#endif
31e31b8a 4721 case TARGET_NR_flock:
9de5e440
FB		 4722 /* NOTE: the flock constant seems to be the same for every
4723 Linux platform */
4724 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 4725 break;
4726 case TARGET_NR_readv:
4727 {
4728 int count = arg3;
31e31b8a 4729 struct iovec *vec;
31e31b8a
FB		 4730
4731 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 4732 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
4733 goto efault;
31e31b8a 4734 ret = get_errno(readv(arg1, vec, count));
53a5960a 4735 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 4736 }
4737 break;
4738 case TARGET_NR_writev:
4739 {
4740 int count = arg3;
31e31b8a 4741 struct iovec *vec;
31e31b8a
FB		 4742
4743 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 4744 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
4745 goto efault;
31e31b8a 4746 ret = get_errno(writev(arg1, vec, count));
53a5960a 4747 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 4748 }
4749 break;
4750 case TARGET_NR_getsid:
4751 ret = get_errno(getsid(arg1));
4752 break;
7a3148a9 4753#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 4754 case TARGET_NR_fdatasync:
5cd4393b
FB		 4755 ret = get_errno(fdatasync(arg1));
4756 break;
7a3148a9 4757#endif
31e31b8a 4758 case TARGET_NR__sysctl:
0da46a6e 4759 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 4760 return value. */
0da46a6e
TS		 4761 ret = -TARGET_ENOTDIR;
4762 break;
31e31b8a 4763 case TARGET_NR_sched_setparam:
5cd4393b 4764 {
53a5960a 4765 struct sched_param *target_schp;
5cd4393b 4766 struct sched_param schp;
53a5960a 4767
579a97f7
FB		 4768 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
4769 goto efault;
5cd4393b 4770 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 4771 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 4772 ret = get_errno(sched_setparam(arg1, &schp));
4773 }
4774 break;
31e31b8a 4775 case TARGET_NR_sched_getparam:
5cd4393b 4776 {
53a5960a 4777 struct sched_param *target_schp;
5cd4393b
FB		 4778 struct sched_param schp;
4779 ret = get_errno(sched_getparam(arg1, &schp));
4780 if (!is_error(ret)) {
579a97f7
FB		 4781 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
4782 goto efault;
5cd4393b 4783 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 4784 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 4785 }
4786 }
4787 break;
31e31b8a 4788 case TARGET_NR_sched_setscheduler:
5cd4393b 4789 {
53a5960a 4790 struct sched_param *target_schp;
5cd4393b 4791 struct sched_param schp;
579a97f7
FB		 4792 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
4793 goto efault;
5cd4393b 4794 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 4795 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 4796 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
4797 }
4798 break;
31e31b8a 4799 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 4800 ret = get_errno(sched_getscheduler(arg1));
4801 break;
31e31b8a
FB		 4802 case TARGET_NR_sched_yield:
4803 ret = get_errno(sched_yield());
4804 break;
4805 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 4806 ret = get_errno(sched_get_priority_max(arg1));
4807 break;
31e31b8a 4808 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 4809 ret = get_errno(sched_get_priority_min(arg1));
4810 break;
31e31b8a 4811 case TARGET_NR_sched_rr_get_interval:
5cd4393b 4812 {
5cd4393b
FB		 4813 struct timespec ts;
4814 ret = get_errno(sched_rr_get_interval(arg1, &ts));
4815 if (!is_error(ret)) {
53a5960a 4816 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 4817 }
4818 }
4819 break;
31e31b8a 4820 case TARGET_NR_nanosleep:
1b6b029e 4821 {
1b6b029e 4822 struct timespec req, rem;
53a5960a 4823 target_to_host_timespec(&req, arg1);
1b6b029e 4824 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 4825 if (is_error(ret) && arg2) {
4826 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 4827 }
4828 }
4829 break;
e5febef5 4830#ifdef TARGET_NR_query_module
31e31b8a 4831 case TARGET_NR_query_module:
5cd4393b 4832 goto unimplemented;
e5febef5
TS		 4833#endif
4834#ifdef TARGET_NR_nfsservctl
31e31b8a 4835 case TARGET_NR_nfsservctl:
5cd4393b 4836 goto unimplemented;
e5febef5 4837#endif
31e31b8a 4838 case TARGET_NR_prctl:
e5574487
TS		 4839 switch (arg1)
4840 {
4841 case PR_GET_PDEATHSIG:
4842 {
4843 int deathsig;
4844 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 4845 if (!is_error(ret) && arg2
4846 && put_user_ual(deathsig, arg2))
4847 goto efault;
e5574487
TS		 4848 }
4849 break;
4850 default:
4851 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
4852 break;
4853 }
39b9aae1 4854 break;
d2fd1af7
FB		 4855#ifdef TARGET_NR_arch_prctl
4856 case TARGET_NR_arch_prctl:
4857#if defined(TARGET_I386) && !defined(TARGET_ABI32)
4858 ret = do_arch_prctl(cpu_env, arg1, arg2);
4859 break;
4860#else
4861 goto unimplemented;
4862#endif
4863#endif
67867308 4864#ifdef TARGET_NR_pread
31e31b8a 4865 case TARGET_NR_pread:
579a97f7
FB		 4866 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4867 goto efault;
53a5960a
PB		 4868 ret = get_errno(pread(arg1, p, arg3, arg4));
4869 unlock_user(p, arg2, ret);
206f0fa7 4870 break;
31e31b8a 4871 case TARGET_NR_pwrite:
579a97f7
FB		 4872 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4873 goto efault;
53a5960a
PB		 4874 ret = get_errno(pwrite(arg1, p, arg3, arg4));
4875 unlock_user(p, arg2, 0);
206f0fa7 4876 break;
f2c7ba15
AJ		 4877#endif
4878#ifdef TARGET_NR_pread64
4879 case TARGET_NR_pread64:
4880 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4881 goto efault;
4882 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
4883 unlock_user(p, arg2, ret);
4884 break;
4885 case TARGET_NR_pwrite64:
4886 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4887 goto efault;
4888 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
4889 unlock_user(p, arg2, 0);
4890 break;
67867308 4891#endif
31e31b8a 4892 case TARGET_NR_getcwd:
579a97f7
FB		 4893 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
4894 goto efault;
53a5960a
PB		 4895 ret = get_errno(sys_getcwd1(p, arg2));
4896 unlock_user(p, arg1, ret);
31e31b8a
FB		 4897 break;
4898 case TARGET_NR_capget:
5cd4393b 4899 goto unimplemented;
31e31b8a 4900 case TARGET_NR_capset:
5cd4393b 4901 goto unimplemented;
31e31b8a 4902 case TARGET_NR_sigaltstack:
198a74de
TS		 4903#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
4904 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
579a97f7 4905 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 4906 break;
4907#else
5cd4393b 4908 goto unimplemented;
a04e134a 4909#endif
31e31b8a 4910 case TARGET_NR_sendfile:
5cd4393b 4911 goto unimplemented;
ebc05488 4912#ifdef TARGET_NR_getpmsg
31e31b8a 4913 case TARGET_NR_getpmsg:
5cd4393b 4914 goto unimplemented;
ebc05488
FB		 4915#endif
4916#ifdef TARGET_NR_putpmsg
31e31b8a 4917 case TARGET_NR_putpmsg:
5cd4393b 4918 goto unimplemented;
ebc05488 4919#endif
048f6b4d 4920#ifdef TARGET_NR_vfork
31e31b8a 4921 case TARGET_NR_vfork:
1b6b029e 4922 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 4923 break;
048f6b4d 4924#endif
ebc05488 4925#ifdef TARGET_NR_ugetrlimit
31e31b8a 4926 case TARGET_NR_ugetrlimit:
728584be
FB		 4927 {
4928 struct rlimit rlim;
4929 ret = get_errno(getrlimit(arg1, &rlim));
4930 if (!is_error(ret)) {
53a5960a 4931 struct target_rlimit *target_rlim;
579a97f7
FB		 4932 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
4933 goto efault;
728584be
FB		 4934 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4935 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 4936 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 4937 }
4938 break;
4939 }
ebc05488 4940#endif
a315a145 4941#ifdef TARGET_NR_truncate64
31e31b8a 4942 case TARGET_NR_truncate64:
579a97f7
FB		 4943 if (!(p = lock_user_string(arg1)))
4944 goto efault;
53a5960a
PB		 4945 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4946 unlock_user(p, arg1, 0);
667f38b1 4947 break;
a315a145
FB		 4948#endif
4949#ifdef TARGET_NR_ftruncate64
31e31b8a 4950 case TARGET_NR_ftruncate64:
ce4defa0 4951 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 4952 break;
a315a145
FB		 4953#endif
4954#ifdef TARGET_NR_stat64
31e31b8a 4955 case TARGET_NR_stat64:
579a97f7
FB		 4956 if (!(p = lock_user_string(arg1)))
4957 goto efault;
53a5960a
PB		 4958 ret = get_errno(stat(path(p), &st));
4959 unlock_user(p, arg1, 0);
60cd49d5 4960 goto do_stat64;
a315a145
FB		 4961#endif
4962#ifdef TARGET_NR_lstat64
31e31b8a 4963 case TARGET_NR_lstat64:
579a97f7
FB		 4964 if (!(p = lock_user_string(arg1)))
4965 goto efault;
53a5960a
PB		 4966 ret = get_errno(lstat(path(p), &st));
4967 unlock_user(p, arg1, 0);
60cd49d5 4968 goto do_stat64;
a315a145
FB		 4969#endif
4970#ifdef TARGET_NR_fstat64
31e31b8a 4971 case TARGET_NR_fstat64:
60cd49d5
FB		 4972 {
4973 ret = get_errno(fstat(arg1, &st));
4974 do_stat64:
4975 if (!is_error(ret)) {
ce4defa0
PB		 4976#ifdef TARGET_ARM
4977 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4978 struct target_eabi_stat64 *target_st;
579a97f7
FB		 4979
4980 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
4981 goto efault;
ce4defa0 4982 memset(target_st, 0, sizeof(struct target_eabi_stat64));
579a97f7
FB		 4983 __put_user(st.st_dev, &target_st->st_dev);
4984 __put_user(st.st_ino, &target_st->st_ino);
ce4defa0 4985#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
579a97f7
FB		 4986 __put_user(st.st_ino, &target_st->__st_ino);
4987#endif
4988 __put_user(st.st_mode, &target_st->st_mode);
4989 __put_user(st.st_nlink, &target_st->st_nlink);
4990 __put_user(st.st_uid, &target_st->st_uid);
4991 __put_user(st.st_gid, &target_st->st_gid);
4992 __put_user(st.st_rdev, &target_st->st_rdev);
4993 __put_user(st.st_size, &target_st->st_size);
4994 __put_user(st.st_blksize, &target_st->st_blksize);
4995 __put_user(st.st_blocks, &target_st->st_blocks);
4996 __put_user(st.st_atime, &target_st->target_st_atime);
4997 __put_user(st.st_mtime, &target_st->target_st_mtime);
4998 __put_user(st.st_ctime, &target_st->target_st_ctime);
4999 unlock_user_struct(target_st, arg2, 1);
ce4defa0
PB		 5000 } else
5001#endif
5002 {
53a5960a 5003 struct target_stat64 *target_st;
579a97f7
FB		 5004
5005 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5006 goto efault;
ce4defa0 5007 memset(target_st, 0, sizeof(struct target_stat64));
579a97f7
FB		 5008 __put_user(st.st_dev, &target_st->st_dev);
5009 __put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 5010#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
579a97f7 5011 __put_user(st.st_ino, &target_st->__st_ino);
ce4defa0 5012#endif
579a97f7
FB		 5013 __put_user(st.st_mode, &target_st->st_mode);
5014 __put_user(st.st_nlink, &target_st->st_nlink);
5015 __put_user(st.st_uid, &target_st->st_uid);
5016 __put_user(st.st_gid, &target_st->st_gid);
5017 __put_user(st.st_rdev, &target_st->st_rdev);
ce4defa0 5018 /* XXX: better use of kernel struct */
579a97f7
FB		 5019 __put_user(st.st_size, &target_st->st_size);
5020 __put_user(st.st_blksize, &target_st->st_blksize);
5021 __put_user(st.st_blocks, &target_st->st_blocks);
5022 __put_user(st.st_atime, &target_st->target_st_atime);
5023 __put_user(st.st_mtime, &target_st->target_st_mtime);
5024 __put_user(st.st_ctime, &target_st->target_st_ctime);
5025 unlock_user_struct(target_st, arg2, 1);
ce4defa0 5026 }
60cd49d5
FB		 5027 }
5028 }
5029 break;
a315a145 5030#endif
67867308
FB		 5031#ifdef USE_UID16
5032 case TARGET_NR_lchown:
579a97f7
FB		 5033 if (!(p = lock_user_string(arg1)))
5034 goto efault;
53a5960a
PB		 5035 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
5036 unlock_user(p, arg1, 0);
67867308
FB		 5037 break;
5038 case TARGET_NR_getuid:
5039 ret = get_errno(high2lowuid(getuid()));
5040 break;
5041 case TARGET_NR_getgid:
5042 ret = get_errno(high2lowgid(getgid()));
5043 break;
5044 case TARGET_NR_geteuid:
5045 ret = get_errno(high2lowuid(geteuid()));
5046 break;
5047 case TARGET_NR_getegid:
5048 ret = get_errno(high2lowgid(getegid()));
5049 break;
5050 case TARGET_NR_setreuid:
5051 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
5052 break;
5053 case TARGET_NR_setregid:
5054 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
5055 break;
5056 case TARGET_NR_getgroups:
5057 {
5058 int gidsetsize = arg1;
53a5960a 5059 uint16_t *target_grouplist;
67867308
FB		 5060 gid_t *grouplist;
5061 int i;
5062
5063 grouplist = alloca(gidsetsize * sizeof(gid_t));
5064 ret = get_errno(getgroups(gidsetsize, grouplist));
5065 if (!is_error(ret)) {
579a97f7
FB		 5066 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
5067 if (!target_grouplist)
5068 goto efault;
67867308
FB		 5069 for(i = 0;i < gidsetsize; i++)
5070 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 5071 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 5072 }
5073 }
5074 break;
5075 case TARGET_NR_setgroups:
5076 {
5077 int gidsetsize = arg1;
53a5960a 5078 uint16_t *target_grouplist;
67867308
FB		 5079 gid_t *grouplist;
5080 int i;
5081
5082 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 5083 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
5084 if (!target_grouplist) {
5085 ret = -TARGET_EFAULT;
5086 goto fail;
5087 }
67867308
FB		 5088 for(i = 0;i < gidsetsize; i++)
5089 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 5090 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 5091 ret = get_errno(setgroups(gidsetsize, grouplist));
5092 }
5093 break;
5094 case TARGET_NR_fchown:
5095 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
5096 break;
ccfa72b7
TS		 5097#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
5098 case TARGET_NR_fchownat:
579a97f7
FB		 5099 if (!(p = lock_user_string(arg2)))
5100 goto efault;
5101 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
5102 unlock_user(p, arg2, 0);
ccfa72b7
TS		 5103 break;
5104#endif
67867308
FB		 5105#ifdef TARGET_NR_setresuid
5106 case TARGET_NR_setresuid:
5fafdf24
TS		 5107 ret = get_errno(setresuid(low2highuid(arg1),
5108 low2highuid(arg2),
67867308
FB		 5109 low2highuid(arg3)));
5110 break;
5111#endif
5112#ifdef TARGET_NR_getresuid
5113 case TARGET_NR_getresuid:
5114 {
53a5960a 5115 uid_t ruid, euid, suid;
67867308
FB		 5116 ret = get_errno(getresuid(&ruid, &euid, &suid));
5117 if (!is_error(ret)) {
2f619698
FB		 5118 if (put_user_u16(high2lowuid(ruid), arg1)
5119 || put_user_u16(high2lowuid(euid), arg2)
5120 || put_user_u16(high2lowuid(suid), arg3))
5121 goto efault;
67867308
FB		 5122 }
5123 }
5124 break;
5125#endif
5126#ifdef TARGET_NR_getresgid
5127 case TARGET_NR_setresgid:
5fafdf24
TS		 5128 ret = get_errno(setresgid(low2highgid(arg1),
5129 low2highgid(arg2),
67867308
FB		 5130 low2highgid(arg3)));
5131 break;
5132#endif
5133#ifdef TARGET_NR_getresgid
5134 case TARGET_NR_getresgid:
5135 {
53a5960a 5136 gid_t rgid, egid, sgid;
67867308
FB		 5137 ret = get_errno(getresgid(&rgid, &egid, &sgid));
5138 if (!is_error(ret)) {
2f619698
FB		 5139 if (put_user_u16(high2lowgid(rgid), arg1)
5140 || put_user_u16(high2lowgid(egid), arg2)
5141 || put_user_u16(high2lowgid(sgid), arg3))
5142 goto efault;
67867308
FB		 5143 }
5144 }
5145 break;
5146#endif
5147 case TARGET_NR_chown:
579a97f7
FB		 5148 if (!(p = lock_user_string(arg1)))
5149 goto efault;
53a5960a
PB		 5150 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
5151 unlock_user(p, arg1, 0);
67867308
FB		 5152 break;
5153 case TARGET_NR_setuid:
5154 ret = get_errno(setuid(low2highuid(arg1)));
5155 break;
5156 case TARGET_NR_setgid:
5157 ret = get_errno(setgid(low2highgid(arg1)));
5158 break;
5159 case TARGET_NR_setfsuid:
5160 ret = get_errno(setfsuid(arg1));
5161 break;
5162 case TARGET_NR_setfsgid:
5163 ret = get_errno(setfsgid(arg1));
5164 break;
5165#endif /* USE_UID16 */
5166
a315a145 5167#ifdef TARGET_NR_lchown32
31e31b8a 5168 case TARGET_NR_lchown32:
579a97f7
FB		 5169 if (!(p = lock_user_string(arg1)))
5170 goto efault;
53a5960a
PB		 5171 ret = get_errno(lchown(p, arg2, arg3));
5172 unlock_user(p, arg1, 0);
b03c60f3 5173 break;
a315a145
FB		 5174#endif
5175#ifdef TARGET_NR_getuid32
31e31b8a 5176 case TARGET_NR_getuid32:
b03c60f3
FB		 5177 ret = get_errno(getuid());
5178 break;
a315a145
FB		 5179#endif
5180#ifdef TARGET_NR_getgid32
31e31b8a 5181 case TARGET_NR_getgid32:
b03c60f3
FB		 5182 ret = get_errno(getgid());
5183 break;
a315a145
FB		 5184#endif
5185#ifdef TARGET_NR_geteuid32
31e31b8a 5186 case TARGET_NR_geteuid32:
b03c60f3
FB		 5187 ret = get_errno(geteuid());
5188 break;
a315a145
FB		 5189#endif
5190#ifdef TARGET_NR_getegid32
31e31b8a 5191 case TARGET_NR_getegid32:
b03c60f3
FB		 5192 ret = get_errno(getegid());
5193 break;
a315a145
FB		 5194#endif
5195#ifdef TARGET_NR_setreuid32
31e31b8a 5196 case TARGET_NR_setreuid32:
b03c60f3
FB		 5197 ret = get_errno(setreuid(arg1, arg2));
5198 break;
a315a145
FB		 5199#endif
5200#ifdef TARGET_NR_setregid32
31e31b8a 5201 case TARGET_NR_setregid32:
b03c60f3
FB		 5202 ret = get_errno(setregid(arg1, arg2));
5203 break;
a315a145
FB		 5204#endif
5205#ifdef TARGET_NR_getgroups32
31e31b8a 5206 case TARGET_NR_getgroups32:
99c475ab
FB		 5207 {
5208 int gidsetsize = arg1;
53a5960a 5209 uint32_t *target_grouplist;
99c475ab
FB		 5210 gid_t *grouplist;
5211 int i;
5212
5213 grouplist = alloca(gidsetsize * sizeof(gid_t));
5214 ret = get_errno(getgroups(gidsetsize, grouplist));
5215 if (!is_error(ret)) {
579a97f7
FB		 5216 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
5217 if (!target_grouplist) {
5218 ret = -TARGET_EFAULT;
5219 goto fail;
5220 }
99c475ab 5221 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 5222 target_grouplist[i] = tswap32(grouplist[i]);
5223 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 5224 }
5225 }
5226 break;
a315a145
FB		 5227#endif
5228#ifdef TARGET_NR_setgroups32
31e31b8a 5229 case TARGET_NR_setgroups32:
99c475ab
FB		 5230 {
5231 int gidsetsize = arg1;
53a5960a 5232 uint32_t *target_grouplist;
99c475ab
FB		 5233 gid_t *grouplist;
5234 int i;
3b46e624 5235
99c475ab 5236 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 5237 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
5238 if (!target_grouplist) {
5239 ret = -TARGET_EFAULT;
5240 goto fail;
5241 }
99c475ab 5242 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 5243 grouplist[i] = tswap32(target_grouplist[i]);
5244 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 5245 ret = get_errno(setgroups(gidsetsize, grouplist));
5246 }
5247 break;
a315a145
FB		 5248#endif
5249#ifdef TARGET_NR_fchown32
31e31b8a 5250 case TARGET_NR_fchown32:
b03c60f3
FB		 5251 ret = get_errno(fchown(arg1, arg2, arg3));
5252 break;
a315a145
FB		 5253#endif
5254#ifdef TARGET_NR_setresuid32
31e31b8a 5255 case TARGET_NR_setresuid32:
b03c60f3
FB		 5256 ret = get_errno(setresuid(arg1, arg2, arg3));
5257 break;
a315a145
FB		 5258#endif
5259#ifdef TARGET_NR_getresuid32
31e31b8a 5260 case TARGET_NR_getresuid32:
b03c60f3 5261 {
53a5960a 5262 uid_t ruid, euid, suid;
b03c60f3
FB		 5263 ret = get_errno(getresuid(&ruid, &euid, &suid));
5264 if (!is_error(ret)) {
2f619698
FB		 5265 if (put_user_u32(ruid, arg1)
5266 || put_user_u32(euid, arg2)
5267 || put_user_u32(suid, arg3))
5268 goto efault;
b03c60f3
FB		 5269 }
5270 }
5271 break;
a315a145
FB		 5272#endif
5273#ifdef TARGET_NR_setresgid32
31e31b8a 5274 case TARGET_NR_setresgid32:
b03c60f3
FB		 5275 ret = get_errno(setresgid(arg1, arg2, arg3));
5276 break;
a315a145
FB		 5277#endif
5278#ifdef TARGET_NR_getresgid32
31e31b8a 5279 case TARGET_NR_getresgid32:
b03c60f3 5280 {
53a5960a 5281 gid_t rgid, egid, sgid;
b03c60f3
FB		 5282 ret = get_errno(getresgid(&rgid, &egid, &sgid));
5283 if (!is_error(ret)) {
2f619698
FB		 5284 if (put_user_u32(rgid, arg1)
5285 || put_user_u32(egid, arg2)
5286 || put_user_u32(sgid, arg3))
5287 goto efault;
b03c60f3
FB		 5288 }
5289 }
5290 break;
a315a145
FB		 5291#endif
5292#ifdef TARGET_NR_chown32
31e31b8a 5293 case TARGET_NR_chown32:
579a97f7
FB		 5294 if (!(p = lock_user_string(arg1)))
5295 goto efault;
53a5960a
PB		 5296 ret = get_errno(chown(p, arg2, arg3));
5297 unlock_user(p, arg1, 0);
b03c60f3 5298 break;
a315a145
FB		 5299#endif
5300#ifdef TARGET_NR_setuid32
31e31b8a 5301 case TARGET_NR_setuid32:
b03c60f3
FB		 5302 ret = get_errno(setuid(arg1));
5303 break;
a315a145
FB		 5304#endif
5305#ifdef TARGET_NR_setgid32
31e31b8a 5306 case TARGET_NR_setgid32:
b03c60f3
FB		 5307 ret = get_errno(setgid(arg1));
5308 break;
a315a145
FB		 5309#endif
5310#ifdef TARGET_NR_setfsuid32
31e31b8a 5311 case TARGET_NR_setfsuid32:
b03c60f3
FB		 5312 ret = get_errno(setfsuid(arg1));
5313 break;
a315a145
FB		 5314#endif
5315#ifdef TARGET_NR_setfsgid32
31e31b8a 5316 case TARGET_NR_setfsgid32:
b03c60f3
FB		 5317 ret = get_errno(setfsgid(arg1));
5318 break;
a315a145 5319#endif
67867308 5320
31e31b8a 5321 case TARGET_NR_pivot_root:
b03c60f3 5322 goto unimplemented;
ffa65c3b 5323#ifdef TARGET_NR_mincore
31e31b8a 5324 case TARGET_NR_mincore:
b03c60f3 5325 goto unimplemented;
ffa65c3b
FB		 5326#endif
5327#ifdef TARGET_NR_madvise
31e31b8a 5328 case TARGET_NR_madvise:
24836689
PB		 5329 /* A straight passthrough may not be safe because qemu sometimes
5330 turns private flie-backed mappings into anonymous mappings.
5331 This will break MADV_DONTNEED.
5332 This is a hint, so ignoring and returning success is ok. */
5333 ret = get_errno(0);
5334 break;
ffa65c3b 5335#endif
992f48a0 5336#if TARGET_ABI_BITS == 32
31e31b8a 5337 case TARGET_NR_fcntl64:
77e4672d 5338 {
b1e341eb 5339 int cmd;
77e4672d 5340 struct flock64 fl;
53a5960a 5341 struct target_flock64 *target_fl;
ce4defa0 5342#ifdef TARGET_ARM
53a5960a 5343 struct target_eabi_flock64 *target_efl;
ce4defa0 5344#endif
77e4672d 5345
b1e341eb
TS		 5346 switch(arg2){
5347 case TARGET_F_GETLK64:
5348 cmd = F_GETLK64;
a7222580 5349 break;
b1e341eb
TS		 5350 case TARGET_F_SETLK64:
5351 cmd = F_SETLK64;
a7222580 5352 break;
b1e341eb
TS		 5353 case TARGET_F_SETLKW64:
5354 cmd = F_SETLK64;
a7222580 5355 break;
b1e341eb
TS		 5356 default:
5357 cmd = arg2;
a7222580 5358 break;
b1e341eb
TS		 5359 }
5360
60cd49d5 5361 switch(arg2) {
b1e341eb 5362 case TARGET_F_GETLK64:
5813427b
TS		 5363#ifdef TARGET_ARM
5364 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 5365 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
5366 goto efault;
5813427b
TS		 5367 fl.l_type = tswap16(target_efl->l_type);
5368 fl.l_whence = tswap16(target_efl->l_whence);
5369 fl.l_start = tswap64(target_efl->l_start);
5370 fl.l_len = tswap64(target_efl->l_len);
5371 fl.l_pid = tswapl(target_efl->l_pid);
5372 unlock_user_struct(target_efl, arg3, 0);
5373 } else
5374#endif
5375 {
9ee1fa2c
FB		 5376 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
5377 goto efault;
5813427b
TS		 5378 fl.l_type = tswap16(target_fl->l_type);
5379 fl.l_whence = tswap16(target_fl->l_whence);
5380 fl.l_start = tswap64(target_fl->l_start);
5381 fl.l_len = tswap64(target_fl->l_len);
5382 fl.l_pid = tswapl(target_fl->l_pid);
5383 unlock_user_struct(target_fl, arg3, 0);
5384 }
b1e341eb 5385 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 5386 if (ret == 0) {
ce4defa0
PB		 5387#ifdef TARGET_ARM
5388 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 5389 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
5390 goto efault;
ce4defa0
PB		 5391 target_efl->l_type = tswap16(fl.l_type);
5392 target_efl->l_whence = tswap16(fl.l_whence);
5393 target_efl->l_start = tswap64(fl.l_start);
5394 target_efl->l_len = tswap64(fl.l_len);
5395 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 5396 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 5397 } else
5398#endif
5399 {
9ee1fa2c
FB		 5400 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
5401 goto efault;
ce4defa0
PB		 5402 target_fl->l_type = tswap16(fl.l_type);
5403 target_fl->l_whence = tswap16(fl.l_whence);
5404 target_fl->l_start = tswap64(fl.l_start);
5405 target_fl->l_len = tswap64(fl.l_len);
5406 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 5407 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 5408 }
77e4672d
FB		 5409 }
5410 break;
5411
b1e341eb
TS		 5412 case TARGET_F_SETLK64:
5413 case TARGET_F_SETLKW64:
ce4defa0
PB		 5414#ifdef TARGET_ARM
5415 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 5416 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
5417 goto efault;
ce4defa0
PB		 5418 fl.l_type = tswap16(target_efl->l_type);
5419 fl.l_whence = tswap16(target_efl->l_whence);
5420 fl.l_start = tswap64(target_efl->l_start);
5421 fl.l_len = tswap64(target_efl->l_len);
5422 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 5423 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 5424 } else
5425#endif
5426 {
9ee1fa2c
FB		 5427 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
5428 goto efault;
ce4defa0
PB		 5429 fl.l_type = tswap16(target_fl->l_type);
5430 fl.l_whence = tswap16(target_fl->l_whence);
5431 fl.l_start = tswap64(target_fl->l_start);
5432 fl.l_len = tswap64(target_fl->l_len);
5433 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 5434 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 5435 }
b1e341eb 5436 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 5437 break;
60cd49d5 5438 default:
9ee1fa2c 5439 ret = do_fcntl(arg1, cmd, arg3);
60cd49d5
FB		 5440 break;
5441 }
77e4672d
FB		 5442 break;
5443 }
60cd49d5 5444#endif
7d600c80
TS		 5445#ifdef TARGET_NR_cacheflush
5446 case TARGET_NR_cacheflush:
5447 /* self-modifying code is handled automatically, so nothing needed */
5448 ret = 0;
5449 break;
5450#endif
ebc05488 5451#ifdef TARGET_NR_security
31e31b8a
FB		 5452 case TARGET_NR_security:
5453 goto unimplemented;
c573ff67
FB		 5454#endif
5455#ifdef TARGET_NR_getpagesize
5456 case TARGET_NR_getpagesize:
5457 ret = TARGET_PAGE_SIZE;
5458 break;
ebc05488 5459#endif
31e31b8a
FB		 5460 case TARGET_NR_gettid:
5461 ret = get_errno(gettid());
5462 break;
e5febef5 5463#ifdef TARGET_NR_readahead
31e31b8a 5464 case TARGET_NR_readahead:
5cd4393b 5465 goto unimplemented;
e5febef5 5466#endif
ebc05488 5467#ifdef TARGET_NR_setxattr
31e31b8a
FB		 5468 case TARGET_NR_setxattr:
5469 case TARGET_NR_lsetxattr:
5470 case TARGET_NR_fsetxattr:
5471 case TARGET_NR_getxattr:
5472 case TARGET_NR_lgetxattr:
5473 case TARGET_NR_fgetxattr:
5474 case TARGET_NR_listxattr:
5475 case TARGET_NR_llistxattr:
5476 case TARGET_NR_flistxattr:
5477 case TARGET_NR_removexattr:
5478 case TARGET_NR_lremovexattr:
5479 case TARGET_NR_fremovexattr:
5cd4393b 5480 goto unimplemented_nowarn;
ebc05488
FB		 5481#endif
5482#ifdef TARGET_NR_set_thread_area
5cd4393b 5483 case TARGET_NR_set_thread_area:
8d18e893 5484#if defined(TARGET_MIPS)
6f5b89a0
TS		 5485 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
5486 ret = 0;
5487 break;
8d18e893
FB		 5488#elif defined(TARGET_I386) && defined(TARGET_ABI32)
5489 ret = do_set_thread_area(cpu_env, arg1);
5490 break;
6f5b89a0
TS		 5491#else
5492 goto unimplemented_nowarn;
5493#endif
5494#endif
5495#ifdef TARGET_NR_get_thread_area
5cd4393b 5496 case TARGET_NR_get_thread_area:
8d18e893
FB		 5497#if defined(TARGET_I386) && defined(TARGET_ABI32)
5498 ret = do_get_thread_area(cpu_env, arg1);
5499#else
5cd4393b 5500 goto unimplemented_nowarn;
48dc41eb 5501#endif
8d18e893 5502#endif
48dc41eb
FB		 5503#ifdef TARGET_NR_getdomainname
5504 case TARGET_NR_getdomainname:
5505 goto unimplemented_nowarn;
ebc05488 5506#endif
6f5b89a0 5507
b5906f95
TS		 5508#ifdef TARGET_NR_clock_gettime
5509 case TARGET_NR_clock_gettime:
5510 {
5511 struct timespec ts;
5512 ret = get_errno(clock_gettime(arg1, &ts));
5513 if (!is_error(ret)) {
5514 host_to_target_timespec(arg2, &ts);
5515 }
5516 break;
5517 }
5518#endif
5519#ifdef TARGET_NR_clock_getres
5520 case TARGET_NR_clock_getres:
5521 {
5522 struct timespec ts;
5523 ret = get_errno(clock_getres(arg1, &ts));
5524 if (!is_error(ret)) {
5525 host_to_target_timespec(arg2, &ts);
5526 }
5527 break;
5528 }
5529#endif
5530
6f5b89a0
TS		 5531#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
5532 case TARGET_NR_set_tid_address:
579a97f7
FB		 5533 ret = get_errno(set_tid_address((int *)g2h(arg1)));
5534 break;
6f5b89a0
TS		 5535#endif
5536
3ae43202 5537#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16
TS		 5538 case TARGET_NR_tkill:
5539 ret = get_errno(sys_tkill((int)arg1, (int)arg2));
5540 break;
5541#endif
5542
3ae43202 5543#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574
TS		 5544 case TARGET_NR_tgkill:
5545 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
5546 break;
5547#endif
5548
4f2b1fe8
TS		 5549#ifdef TARGET_NR_set_robust_list
5550 case TARGET_NR_set_robust_list:
5551 goto unimplemented_nowarn;
5552#endif
5553
9007f0ef
TS		 5554#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
5555 case TARGET_NR_utimensat:
5556 {
5557 struct timespec ts[2];
5558 target_to_host_timespec(ts, arg3);
5559 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
5560 if (!arg2)
5561 ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
5562 else {
579a97f7 5563 if (!(p = lock_user_string(arg2))) {
0da46a6e 5564 ret = -TARGET_EFAULT;
579a97f7
FB		 5565 goto fail;
5566 }
5567 ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4));
5568 unlock_user(p, arg2, 0);
9007f0ef
TS		 5569 }
5570 }
5571 break;
5572#endif
5573
31e31b8a
FB		 5574 default:
5575 unimplemented:
5cd4393b 5576 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 5577#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 5578 unimplemented_nowarn:
80a9d035 5579#endif
0da46a6e 5580 ret = -TARGET_ENOSYS;
31e31b8a
FB		 5581 break;
5582 }
579a97f7 5583fail:
c573ff67
FB		 5584#ifdef DEBUG
5585 gemu_log(" = %ld\n", ret);
5586#endif
b92c47c1
TS		 5587 if(do_strace)
5588 print_syscall_ret(num, ret);
31e31b8a 5589 return ret;
579a97f7
FB		 5590efault:
5591 ret = -TARGET_EFAULT;
5592 goto fail;
31e31b8a 5593}
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