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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
5fafdf24 446static inline fd_set *target_to_host_fds(fd_set *fds,
992f48a0 447 abi_long *target_fds, int n)
31e31b8a 448{
7854b056 449#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 450 return (fd_set *)target_fds;
451#else
452 int i, b;
453 if (target_fds) {
454 FD_ZERO(fds);
455 for(i = 0;i < n; i++) {
992f48a0
BS		 456 b = (tswapl(target_fds[i / TARGET_ABI_BITS]) >>
457 (i & (TARGET_ABI_BITS - 1))) & 1;
31e31b8a
FB		 458 if (b)
459 FD_SET(i, fds);
460 }
461 return fds;
462 } else {
463 return NULL;
464 }
465#endif
466}
467
992f48a0 468static inline void host_to_target_fds(abi_long *target_fds,
31e31b8a
FB		 469 fd_set *fds, int n)
470{
7854b056 471#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 472 /* nothing to do */
473#else
474 int i, nw, j, k;
992f48a0 475 abi_long v;
31e31b8a
FB		 476
477 if (target_fds) {
992f48a0 478 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
31e31b8a
FB		 479 k = 0;
480 for(i = 0;i < nw; i++) {
481 v = 0;
992f48a0 482 for(j = 0; j < TARGET_ABI_BITS; j++) {
31e31b8a
FB		 483 v |= ((FD_ISSET(k, fds) != 0) << j);
484 k++;
485 }
486 target_fds[i] = tswapl(v);
487 }
488 }
489#endif
490}
491
c596ed17
FB		 492#if defined(__alpha__)
493#define HOST_HZ 1024
494#else
495#define HOST_HZ 100
496#endif
497
992f48a0 498static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 499{
500#if HOST_HZ == TARGET_HZ
501 return ticks;
502#else
503 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
504#endif
505}
506
992f48a0 507static inline void host_to_target_rusage(abi_ulong target_addr,
b409186b
FB		 508 const struct rusage *rusage)
509{
53a5960a
PB		 510 struct target_rusage *target_rusage;
511
512 lock_user_struct(target_rusage, target_addr, 0);
b409186b
FB		 513 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
514 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
515 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
516 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
517 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
518 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
519 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
520 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
521 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
522 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
523 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
524 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
525 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
526 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
527 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
528 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
529 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
530 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 531 unlock_user_struct(target_rusage, target_addr, 1);
b409186b
FB		 532}
533
53a5960a 534static inline void target_to_host_timeval(struct timeval *tv,
992f48a0 535 abi_ulong target_addr)
31e31b8a 536{
53a5960a
PB		 537 struct target_timeval *target_tv;
538
539 lock_user_struct(target_tv, target_addr, 1);
66fb9763
FB		 540 tv->tv_sec = tswapl(target_tv->tv_sec);
541 tv->tv_usec = tswapl(target_tv->tv_usec);
53a5960a 542 unlock_user_struct(target_tv, target_addr, 0);
31e31b8a
FB		 543}
544
992f48a0 545static inline void host_to_target_timeval(abi_ulong target_addr,
5cd4393b 546 const struct timeval *tv)
31e31b8a 547{
53a5960a
PB		 548 struct target_timeval *target_tv;
549
550 lock_user_struct(target_tv, target_addr, 0);
66fb9763
FB		 551 target_tv->tv_sec = tswapl(tv->tv_sec);
552 target_tv->tv_usec = tswapl(tv->tv_usec);
53a5960a 553 unlock_user_struct(target_tv, target_addr, 1);
31e31b8a
FB		 554}
555
556
0da46a6e 557/* do_select() must return target values and target errnos. */
992f48a0
BS		 558static abi_long do_select(int n,
559 abi_ulong rfd_p, abi_ulong wfd_p,
560 abi_ulong efd_p, abi_ulong target_tv)
31e31b8a
FB		 561{
562 fd_set rfds, wfds, efds;
563 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
992f48a0 564 abi_long *target_rfds, *target_wfds, *target_efds;
31e31b8a 565 struct timeval tv, *tv_ptr;
992f48a0 566 abi_long ret;
53a5960a 567 int ok;
31e31b8a 568
53a5960a 569 if (rfd_p) {
992f48a0 570 target_rfds = lock_user(rfd_p, sizeof(abi_long) * n, 1);
53a5960a
PB		 571 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
572 } else {
573 target_rfds = NULL;
574 rfds_ptr = NULL;
575 }
576 if (wfd_p) {
992f48a0 577 target_wfds = lock_user(wfd_p, sizeof(abi_long) * n, 1);
53a5960a
PB		 578 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
579 } else {
580 target_wfds = NULL;
581 wfds_ptr = NULL;
582 }
583 if (efd_p) {
992f48a0 584 target_efds = lock_user(efd_p, sizeof(abi_long) * n, 1);
53a5960a
PB		 585 efds_ptr = target_to_host_fds(&efds, target_efds, n);
586 } else {
587 target_efds = NULL;
588 efds_ptr = NULL;
589 }
3b46e624 590
31e31b8a 591 if (target_tv) {
5cd4393b 592 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 593 tv_ptr = &tv;
594 } else {
595 tv_ptr = NULL;
596 }
597 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a
PB		 598 ok = !is_error(ret);
599
600 if (ok) {
31e31b8a
FB		 601 host_to_target_fds(target_rfds, rfds_ptr, n);
602 host_to_target_fds(target_wfds, wfds_ptr, n);
603 host_to_target_fds(target_efds, efds_ptr, n);
604
605 if (target_tv) {
5cd4393b 606 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 607 }
608 }
53a5960a 609 if (target_rfds)
992f48a0 610 unlock_user(target_rfds, rfd_p, ok ? sizeof(abi_long) * n : 0);
53a5960a 611 if (target_wfds)
992f48a0 612 unlock_user(target_wfds, wfd_p, ok ? sizeof(abi_long) * n : 0);
53a5960a 613 if (target_efds)
992f48a0 614 unlock_user(target_efds, efd_p, ok ? sizeof(abi_long) * n : 0);
53a5960a 615
31e31b8a
FB		 616 return ret;
617}
618
7854b056 619static inline void target_to_host_sockaddr(struct sockaddr *addr,
992f48a0 620 abi_ulong target_addr,
7854b056
FB		 621 socklen_t len)
622{
53a5960a
PB		 623 struct target_sockaddr *target_saddr;
624
625 target_saddr = lock_user(target_addr, len, 1);
626 memcpy(addr, target_saddr, len);
627 addr->sa_family = tswap16(target_saddr->sa_family);
628 unlock_user(target_saddr, target_addr, 0);
7854b056
FB		 629}
630
992f48a0 631static inline void host_to_target_sockaddr(abi_ulong target_addr,
7854b056
FB		 632 struct sockaddr *addr,
633 socklen_t len)
634{
53a5960a
PB		 635 struct target_sockaddr *target_saddr;
636
637 target_saddr = lock_user(target_addr, len, 0);
638 memcpy(target_saddr, addr, len);
639 target_saddr->sa_family = tswap16(addr->sa_family);
640 unlock_user(target_saddr, target_addr, len);
7854b056
FB		 641}
642
53a5960a 643/* ??? Should this also swap msgh->name? */
7854b056
FB		 644static inline void target_to_host_cmsg(struct msghdr *msgh,
645 struct target_msghdr *target_msgh)
646{
647 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
648 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
649 socklen_t space = 0;
650
651 while (cmsg && target_cmsg) {
652 void *data = CMSG_DATA(cmsg);
653 void *target_data = TARGET_CMSG_DATA(target_cmsg);
654
5fafdf24 655 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 656 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
657
658 space += CMSG_SPACE(len);
659 if (space > msgh->msg_controllen) {
660 space -= CMSG_SPACE(len);
31febb71 661 gemu_log("Host cmsg overflow\n");
7854b056
FB		 662 break;
663 }
664
665 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
666 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
667 cmsg->cmsg_len = CMSG_LEN(len);
668
3532fa74 669 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 670 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
671 memcpy(data, target_data, len);
672 } else {
673 int *fd = (int *)data;
674 int *target_fd = (int *)target_data;
675 int i, numfds = len / sizeof(int);
676
677 for (i = 0; i < numfds; i++)
678 fd[i] = tswap32(target_fd[i]);
679 }
680
681 cmsg = CMSG_NXTHDR(msgh, cmsg);
682 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
683 }
684
685 msgh->msg_controllen = space;
686}
687
53a5960a 688/* ??? Should this also swap msgh->name? */
7854b056
FB		 689static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
690 struct msghdr *msgh)
691{
692 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
693 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
694 socklen_t space = 0;
695
696 while (cmsg && target_cmsg) {
697 void *data = CMSG_DATA(cmsg);
698 void *target_data = TARGET_CMSG_DATA(target_cmsg);
699
700 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
701
702 space += TARGET_CMSG_SPACE(len);
703 if (space > tswapl(target_msgh->msg_controllen)) {
704 space -= TARGET_CMSG_SPACE(len);
31febb71 705 gemu_log("Target cmsg overflow\n");
7854b056
FB		 706 break;
707 }
708
709 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
710 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
711 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
712
3532fa74 713 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 714 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
715 memcpy(target_data, data, len);
716 } else {
717 int *fd = (int *)data;
718 int *target_fd = (int *)target_data;
719 int i, numfds = len / sizeof(int);
720
721 for (i = 0; i < numfds; i++)
722 target_fd[i] = tswap32(fd[i]);
723 }
724
725 cmsg = CMSG_NXTHDR(msgh, cmsg);
726 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
727 }
728
729 msgh->msg_controllen = tswapl(space);
730}
731
0da46a6e 732/* do_setsockopt() Must return target values and target errnos. */
992f48a0
BS		 733static abi_long do_setsockopt(int sockfd, int level, int optname,
734 abi_ulong optval, socklen_t optlen)
7854b056 735{
992f48a0 736 abi_long ret;
32407103 737 int val;
3b46e624 738
8853f86e
FB		 739 switch(level) {
740 case SOL_TCP:
7854b056 741 /* TCP options all take an 'int' value. */
7854b056 742 if (optlen < sizeof(uint32_t))
0da46a6e 743 return -TARGET_EINVAL;
3b46e624 744
53a5960a 745 val = tget32(optval);
8853f86e
FB		 746 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
747 break;
748 case SOL_IP:
749 switch(optname) {
2efbe911
FB		 750 case IP_TOS:
751 case IP_TTL:
8853f86e 752 case IP_HDRINCL:
2efbe911
FB		 753 case IP_ROUTER_ALERT:
754 case IP_RECVOPTS:
755 case IP_RETOPTS:
756 case IP_PKTINFO:
757 case IP_MTU_DISCOVER:
758 case IP_RECVERR:
759 case IP_RECVTOS:
760#ifdef IP_FREEBIND
761 case IP_FREEBIND:
762#endif
763 case IP_MULTICAST_TTL:
764 case IP_MULTICAST_LOOP:
8853f86e
FB		 765 val = 0;
766 if (optlen >= sizeof(uint32_t)) {
53a5960a 767 val = tget32(optval);
8853f86e 768 } else if (optlen >= 1) {
53a5960a 769 val = tget8(optval);
8853f86e
FB		 770 }
771 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
772 break;
773 default:
774 goto unimplemented;
775 }
776 break;
3532fa74 777 case TARGET_SOL_SOCKET:
8853f86e
FB		 778 switch (optname) {
779 /* Options with 'int' argument. */
3532fa74
FB		 780 case TARGET_SO_DEBUG:
781 optname = SO_DEBUG;
782 break;
783 case TARGET_SO_REUSEADDR:
784 optname = SO_REUSEADDR;
785 break;
786 case TARGET_SO_TYPE:
787 optname = SO_TYPE;
788 break;
789 case TARGET_SO_ERROR:
790 optname = SO_ERROR;
791 break;
792 case TARGET_SO_DONTROUTE:
793 optname = SO_DONTROUTE;
794 break;
795 case TARGET_SO_BROADCAST:
796 optname = SO_BROADCAST;
797 break;
798 case TARGET_SO_SNDBUF:
799 optname = SO_SNDBUF;
800 break;
801 case TARGET_SO_RCVBUF:
802 optname = SO_RCVBUF;
803 break;
804 case TARGET_SO_KEEPALIVE:
805 optname = SO_KEEPALIVE;
806 break;
807 case TARGET_SO_OOBINLINE:
808 optname = SO_OOBINLINE;
809 break;
810 case TARGET_SO_NO_CHECK:
811 optname = SO_NO_CHECK;
812 break;
813 case TARGET_SO_PRIORITY:
814 optname = SO_PRIORITY;
815 break;
5e83e8e3 816#ifdef SO_BSDCOMPAT
3532fa74
FB		 817 case TARGET_SO_BSDCOMPAT:
818 optname = SO_BSDCOMPAT;
819 break;
5e83e8e3 820#endif
3532fa74
FB		 821 case TARGET_SO_PASSCRED:
822 optname = SO_PASSCRED;
823 break;
824 case TARGET_SO_TIMESTAMP:
825 optname = SO_TIMESTAMP;
826 break;
827 case TARGET_SO_RCVLOWAT:
828 optname = SO_RCVLOWAT;
829 break;
830 case TARGET_SO_RCVTIMEO:
831 optname = SO_RCVTIMEO;
832 break;
833 case TARGET_SO_SNDTIMEO:
834 optname = SO_SNDTIMEO;
835 break;
8853f86e
FB		 836 break;
837 default:
838 goto unimplemented;
839 }
3532fa74 840 if (optlen < sizeof(uint32_t))
0da46a6e 841 return -TARGET_EINVAL;
3532fa74
FB		 842
843 val = tget32(optval);
844 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 845 break;
7854b056 846 default:
8853f86e
FB		 847 unimplemented:
848 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
0da46a6e 849 ret = -TARGET_ENOSYS;
7854b056 850 }
8853f86e 851 return ret;
7854b056
FB		 852}
853
0da46a6e 854/* do_getsockopt() Must return target values and target errnos. */
992f48a0
BS		 855static abi_long do_getsockopt(int sockfd, int level, int optname,
856 abi_ulong optval, abi_ulong optlen)
7854b056 857{
992f48a0 858 abi_long ret;
32407103 859 int len, lv, val;
8853f86e
FB		 860
861 switch(level) {
3532fa74
FB		 862 case TARGET_SOL_SOCKET:
863 level = SOL_SOCKET;
8853f86e 864 switch (optname) {
3532fa74
FB		 865 case TARGET_SO_LINGER:
866 case TARGET_SO_RCVTIMEO:
867 case TARGET_SO_SNDTIMEO:
868 case TARGET_SO_PEERCRED:
869 case TARGET_SO_PEERNAME:
8853f86e
FB		 870 /* These don't just return a single integer */
871 goto unimplemented;
872 default:
2efbe911
FB		 873 goto int_case;
874 }
875 break;
876 case SOL_TCP:
877 /* TCP options all take an 'int' value. */
878 int_case:
53a5960a 879 len = tget32(optlen);
2efbe911 880 if (len < 0)
0da46a6e 881 return -TARGET_EINVAL;
2efbe911
FB		 882 lv = sizeof(int);
883 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
884 if (ret < 0)
885 return ret;
886 val = tswap32(val);
887 if (len > lv)
888 len = lv;
53a5960a
PB		 889 if (len == 4)
890 tput32(optval, val);
891 else
892 tput8(optval, val);
893 tput32(optlen, len);
2efbe911
FB		 894 break;
895 case SOL_IP:
896 switch(optname) {
897 case IP_TOS:
898 case IP_TTL:
899 case IP_HDRINCL:
900 case IP_ROUTER_ALERT:
901 case IP_RECVOPTS:
902 case IP_RETOPTS:
903 case IP_PKTINFO:
904 case IP_MTU_DISCOVER:
905 case IP_RECVERR:
906 case IP_RECVTOS:
907#ifdef IP_FREEBIND
908 case IP_FREEBIND:
909#endif
910 case IP_MULTICAST_TTL:
911 case IP_MULTICAST_LOOP:
53a5960a 912 len = tget32(optlen);
8853f86e 913 if (len < 0)
0da46a6e 914 return -TARGET_EINVAL;
8853f86e
FB		 915 lv = sizeof(int);
916 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
917 if (ret < 0)
918 return ret;
2efbe911 919 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 920 len = 1;
53a5960a
PB		 921 tput32(optlen, len);
922 tput8(optval, val);
2efbe911 923 } else {
2efbe911
FB		 924 if (len > sizeof(int))
925 len = sizeof(int);
53a5960a
PB		 926 tput32(optlen, len);
927 tput32(optval, val);
2efbe911 928 }
8853f86e 929 break;
2efbe911
FB		 930 default:
931 goto unimplemented;
8853f86e
FB		 932 }
933 break;
934 default:
935 unimplemented:
936 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
937 level, optname);
0da46a6e 938 ret = -TARGET_ENOSYS;
8853f86e
FB		 939 break;
940 }
941 return ret;
7854b056
FB		 942}
943
992f48a0 944static void lock_iovec(struct iovec *vec, abi_ulong target_addr,
53a5960a
PB		 945 int count, int copy)
946{
947 struct target_iovec *target_vec;
992f48a0 948 abi_ulong base;
53a5960a
PB		 949 int i;
950
951 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
952 for(i = 0;i < count; i++) {
953 base = tswapl(target_vec[i].iov_base);
954 vec[i].iov_len = tswapl(target_vec[i].iov_len);
955 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
956 }
957 unlock_user (target_vec, target_addr, 0);
958}
959
992f48a0 960static void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
53a5960a
PB		 961 int count, int copy)
962{
963 struct target_iovec *target_vec;
992f48a0 964 abi_ulong base;
53a5960a
PB		 965 int i;
966
967 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
968 for(i = 0;i < count; i++) {
969 base = tswapl(target_vec[i].iov_base);
970 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
971 }
972 unlock_user (target_vec, target_addr, 0);
973}
974
0da46a6e 975/* do_socket() Must return target values and target errnos. */
992f48a0 976static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 977{
978#if defined(TARGET_MIPS)
979 switch(type) {
980 case TARGET_SOCK_DGRAM:
981 type = SOCK_DGRAM;
982 break;
983 case TARGET_SOCK_STREAM:
984 type = SOCK_STREAM;
985 break;
986 case TARGET_SOCK_RAW:
987 type = SOCK_RAW;
988 break;
989 case TARGET_SOCK_RDM:
990 type = SOCK_RDM;
991 break;
992 case TARGET_SOCK_SEQPACKET:
993 type = SOCK_SEQPACKET;
994 break;
995 case TARGET_SOCK_PACKET:
996 type = SOCK_PACKET;
997 break;
998 }
999#endif
12bc92ab
AZ		 1000 if (domain == PF_NETLINK)
1001 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1002 return get_errno(socket(domain, type, protocol));
1003}
1004
0da46a6e 1005/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1006static abi_long do_bind(int sockfd, abi_ulong target_addr,
1007 socklen_t addrlen)
3532fa74
FB		 1008{
1009 void *addr = alloca(addrlen);
3b46e624 1010
3532fa74
FB		 1011 target_to_host_sockaddr(addr, target_addr, addrlen);
1012 return get_errno(bind(sockfd, addr, addrlen));
1013}
1014
0da46a6e 1015/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1016static abi_long do_connect(int sockfd, abi_ulong target_addr,
1017 socklen_t addrlen)
3532fa74
FB		 1018{
1019 void *addr = alloca(addrlen);
3b46e624 1020
3532fa74
FB		 1021 target_to_host_sockaddr(addr, target_addr, addrlen);
1022 return get_errno(connect(sockfd, addr, addrlen));
1023}
1024
0da46a6e 1025/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1026static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1027 int flags, int send)
3532fa74 1028{
992f48a0 1029 abi_long ret;
3532fa74
FB		 1030 struct target_msghdr *msgp;
1031 struct msghdr msg;
1032 int count;
1033 struct iovec *vec;
992f48a0 1034 abi_ulong target_vec;
3532fa74
FB		 1035
1036 lock_user_struct(msgp, target_msg, 1);
1037 if (msgp->msg_name) {
1038 msg.msg_namelen = tswap32(msgp->msg_namelen);
1039 msg.msg_name = alloca(msg.msg_namelen);
1040 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1041 msg.msg_namelen);
1042 } else {
1043 msg.msg_name = NULL;
1044 msg.msg_namelen = 0;
1045 }
1046 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1047 msg.msg_control = alloca(msg.msg_controllen);
1048 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1049
3532fa74
FB		 1050 count = tswapl(msgp->msg_iovlen);
1051 vec = alloca(count * sizeof(struct iovec));
1052 target_vec = tswapl(msgp->msg_iov);
1053 lock_iovec(vec, target_vec, count, send);
1054 msg.msg_iovlen = count;
1055 msg.msg_iov = vec;
3b46e624 1056
3532fa74
FB		 1057 if (send) {
1058 target_to_host_cmsg(&msg, msgp);
1059 ret = get_errno(sendmsg(fd, &msg, flags));
1060 } else {
1061 ret = get_errno(recvmsg(fd, &msg, flags));
1062 if (!is_error(ret))
1063 host_to_target_cmsg(msgp, &msg);
1064 }
1065 unlock_iovec(vec, target_vec, count, !send);
1066 return ret;
1067}
1068
0da46a6e 1069/* do_accept() Must return target values and target errnos. */
992f48a0
BS		 1070static abi_long do_accept(int fd, abi_ulong target_addr,
1071 abi_ulong target_addrlen)
1be9e1dc
PB		 1072{
1073 socklen_t addrlen = tget32(target_addrlen);
197ea35a 1074 void *addr = alloca(addrlen);
992f48a0 1075 abi_long ret;
1be9e1dc
PB		 1076
1077 ret = get_errno(accept(fd, addr, &addrlen));
1078 if (!is_error(ret)) {
1079 host_to_target_sockaddr(target_addr, addr, addrlen);
1080 tput32(target_addrlen, addrlen);
1081 }
1082 return ret;
1083}
1084
0da46a6e 1085/* do_getpeername() Must return target values and target errnos. */
992f48a0
BS		 1086static abi_long do_getpeername(int fd, abi_ulong target_addr,
1087 abi_ulong target_addrlen)
1be9e1dc
PB		 1088{
1089 socklen_t addrlen = tget32(target_addrlen);
01c227fb 1090 void *addr = alloca(addrlen);
992f48a0 1091 abi_long ret;
1be9e1dc
PB		 1092
1093 ret = get_errno(getpeername(fd, addr, &addrlen));
1094 if (!is_error(ret)) {
1095 host_to_target_sockaddr(target_addr, addr, addrlen);
1096 tput32(target_addrlen, addrlen);
1097 }
1098 return ret;
1099}
1100
0da46a6e 1101/* do_getsockname() Must return target values and target errnos. */
992f48a0
BS		 1102static abi_long do_getsockname(int fd, abi_ulong target_addr,
1103 abi_ulong target_addrlen)
1be9e1dc
PB		 1104{
1105 socklen_t addrlen = tget32(target_addrlen);
01c227fb 1106 void *addr = alloca(addrlen);
992f48a0 1107 abi_long ret;
1be9e1dc
PB		 1108
1109 ret = get_errno(getsockname(fd, addr, &addrlen));
1110 if (!is_error(ret)) {
1111 host_to_target_sockaddr(target_addr, addr, addrlen);
1112 tput32(target_addrlen, addrlen);
1113 }
1114 return ret;
1115}
1116
0da46a6e 1117/* do_socketpair() Must return target values and target errnos. */
992f48a0
BS		 1118static abi_long do_socketpair(int domain, int type, int protocol,
1119 abi_ulong target_tab)
1be9e1dc
PB		 1120{
1121 int tab[2];
992f48a0 1122 abi_long ret;
1be9e1dc
PB		 1123
1124 ret = get_errno(socketpair(domain, type, protocol, tab));
1125 if (!is_error(ret)) {
1126 tput32(target_tab, tab[0]);
1127 tput32(target_tab + 4, tab[1]);
1128 }
1129 return ret;
1130}
1131
0da46a6e 1132/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1133static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1134 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1135{
1136 void *addr;
1137 void *host_msg;
992f48a0 1138 abi_long ret;
1be9e1dc
PB		 1139
1140 host_msg = lock_user(msg, len, 1);
1141 if (target_addr) {
1142 addr = alloca(addrlen);
1143 target_to_host_sockaddr(addr, target_addr, addrlen);
1144 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1145 } else {
1146 ret = get_errno(send(fd, host_msg, len, flags));
1147 }
1148 unlock_user(host_msg, msg, 0);
1149 return ret;
1150}
1151
0da46a6e 1152/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1153static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1154 abi_ulong target_addr,
1155 abi_ulong target_addrlen)
1be9e1dc
PB		 1156{
1157 socklen_t addrlen;
1158 void *addr;
1159 void *host_msg;
992f48a0 1160 abi_long ret;
1be9e1dc
PB		 1161
1162 host_msg = lock_user(msg, len, 0);
1163 if (target_addr) {
1164 addrlen = tget32(target_addrlen);
1165 addr = alloca(addrlen);
1166 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1167 } else {
1168 addr = NULL; /* To keep compiler quiet. */
1169 ret = get_errno(recv(fd, host_msg, len, flags));
1170 }
1171 if (!is_error(ret)) {
1172 if (target_addr) {
1173 host_to_target_sockaddr(target_addr, addr, addrlen);
1174 tput32(target_addrlen, addrlen);
1175 }
1176 unlock_user(host_msg, msg, len);
1177 } else {
1178 unlock_user(host_msg, msg, 0);
1179 }
1180 return ret;
1181}
1182
32407103 1183#ifdef TARGET_NR_socketcall
0da46a6e 1184/* do_socketcall() Must return target values and target errnos. */
992f48a0 1185static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1186{
992f48a0
BS		 1187 abi_long ret;
1188 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1189
1190 switch(num) {
1191 case SOCKOP_socket:
7854b056 1192 {
53a5960a
PB		 1193 int domain = tgetl(vptr);
1194 int type = tgetl(vptr + n);
1195 int protocol = tgetl(vptr + 2 * n);
3532fa74 1196 ret = do_socket(domain, type, protocol);
7854b056 1197 }
31e31b8a
FB		 1198 break;
1199 case SOCKOP_bind:
7854b056 1200 {
53a5960a 1201 int sockfd = tgetl(vptr);
992f48a0 1202 abi_ulong target_addr = tgetl(vptr + n);
53a5960a 1203 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 1204 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1205 }
31e31b8a
FB		 1206 break;
1207 case SOCKOP_connect:
7854b056 1208 {
53a5960a 1209 int sockfd = tgetl(vptr);
992f48a0 1210 abi_ulong target_addr = tgetl(vptr + n);
53a5960a 1211 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 1212 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1213 }
31e31b8a
FB		 1214 break;
1215 case SOCKOP_listen:
7854b056 1216 {
53a5960a
PB		 1217 int sockfd = tgetl(vptr);
1218 int backlog = tgetl(vptr + n);
7854b056
FB		 1219 ret = get_errno(listen(sockfd, backlog));
1220 }
31e31b8a
FB		 1221 break;
1222 case SOCKOP_accept:
1223 {
53a5960a 1224 int sockfd = tgetl(vptr);
992f48a0
BS		 1225 abi_ulong target_addr = tgetl(vptr + n);
1226 abi_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1227 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1228 }
1229 break;
1230 case SOCKOP_getsockname:
1231 {
53a5960a 1232 int sockfd = tgetl(vptr);
992f48a0
BS		 1233 abi_ulong target_addr = tgetl(vptr + n);
1234 abi_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1235 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1236 }
1237 break;
1238 case SOCKOP_getpeername:
1239 {
53a5960a 1240 int sockfd = tgetl(vptr);
992f48a0
BS		 1241 abi_ulong target_addr = tgetl(vptr + n);
1242 abi_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1243 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1244 }
1245 break;
1246 case SOCKOP_socketpair:
1247 {
53a5960a
PB		 1248 int domain = tgetl(vptr);
1249 int type = tgetl(vptr + n);
1250 int protocol = tgetl(vptr + 2 * n);
992f48a0 1251 abi_ulong tab = tgetl(vptr + 3 * n);
1be9e1dc 1252 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1253 }
1254 break;
1255 case SOCKOP_send:
7854b056 1256 {
53a5960a 1257 int sockfd = tgetl(vptr);
992f48a0 1258 abi_ulong msg = tgetl(vptr + n);
53a5960a
PB		 1259 size_t len = tgetl(vptr + 2 * n);
1260 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1261 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1262 }
31e31b8a
FB		 1263 break;
1264 case SOCKOP_recv:
7854b056 1265 {
53a5960a 1266 int sockfd = tgetl(vptr);
992f48a0 1267 abi_ulong msg = tgetl(vptr + n);
53a5960a
PB		 1268 size_t len = tgetl(vptr + 2 * n);
1269 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1270 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1271 }
31e31b8a
FB		 1272 break;
1273 case SOCKOP_sendto:
7854b056 1274 {
53a5960a 1275 int sockfd = tgetl(vptr);
992f48a0 1276 abi_ulong msg = tgetl(vptr + n);
53a5960a
PB		 1277 size_t len = tgetl(vptr + 2 * n);
1278 int flags = tgetl(vptr + 3 * n);
992f48a0 1279 abi_ulong addr = tgetl(vptr + 4 * n);
53a5960a 1280 socklen_t addrlen = tgetl(vptr + 5 * n);
1be9e1dc 1281 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1282 }
31e31b8a
FB		 1283 break;
1284 case SOCKOP_recvfrom:
1285 {
53a5960a 1286 int sockfd = tgetl(vptr);
992f48a0 1287 abi_ulong msg = tgetl(vptr + n);
53a5960a
PB		 1288 size_t len = tgetl(vptr + 2 * n);
1289 int flags = tgetl(vptr + 3 * n);
992f48a0
BS		 1290 abi_ulong addr = tgetl(vptr + 4 * n);
1291 abi_ulong addrlen = tgetl(vptr + 5 * n);
1be9e1dc 1292 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1293 }
1294 break;
1295 case SOCKOP_shutdown:
7854b056 1296 {
53a5960a
PB		 1297 int sockfd = tgetl(vptr);
1298 int how = tgetl(vptr + n);
7854b056
FB		 1299
1300 ret = get_errno(shutdown(sockfd, how));
1301 }
31e31b8a
FB		 1302 break;
1303 case SOCKOP_sendmsg:
1304 case SOCKOP_recvmsg:
1a9353d2
FB		 1305 {
1306 int fd;
992f48a0 1307 abi_ulong target_msg;
3532fa74 1308 int flags;
1a9353d2 1309
53a5960a 1310 fd = tgetl(vptr);
3532fa74 1311 target_msg = tgetl(vptr + n);
53a5960a 1312 flags = tgetl(vptr + 2 * n);
3532fa74 1313
5fafdf24 1314 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 1315 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1316 }
1317 break;
31e31b8a 1318 case SOCKOP_setsockopt:
7854b056 1319 {
53a5960a
PB		 1320 int sockfd = tgetl(vptr);
1321 int level = tgetl(vptr + n);
1322 int optname = tgetl(vptr + 2 * n);
992f48a0 1323 abi_ulong optval = tgetl(vptr + 3 * n);
53a5960a 1324 socklen_t optlen = tgetl(vptr + 4 * n);
7854b056
FB		 1325
1326 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1327 }
1328 break;
31e31b8a 1329 case SOCKOP_getsockopt:
7854b056 1330 {
53a5960a
PB		 1331 int sockfd = tgetl(vptr);
1332 int level = tgetl(vptr + n);
1333 int optname = tgetl(vptr + 2 * n);
992f48a0
BS		 1334 abi_ulong optval = tgetl(vptr + 3 * n);
1335 abi_ulong poptlen = tgetl(vptr + 4 * n);
7854b056 1336
8853f86e 1337 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
7854b056
FB		 1338 }
1339 break;
31e31b8a
FB		 1340 default:
1341 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 1342 ret = -TARGET_ENOSYS;
31e31b8a
FB		 1343 break;
1344 }
1345 return ret;
1346}
32407103 1347#endif
31e31b8a 1348
32407103 1349#ifdef TARGET_NR_ipc
8853f86e
FB		 1350#define N_SHM_REGIONS 32
1351
1352static struct shm_region {
1353 uint32_t start;
1354 uint32_t size;
1355} shm_regions[N_SHM_REGIONS];
1356
3eb6b044
TS		 1357struct target_ipc_perm
1358{
992f48a0
BS		 1359 abi_long __key;
1360 abi_ulong uid;
1361 abi_ulong gid;
1362 abi_ulong cuid;
1363 abi_ulong cgid;
3eb6b044
TS		 1364 unsigned short int mode;
1365 unsigned short int __pad1;
1366 unsigned short int __seq;
1367 unsigned short int __pad2;
992f48a0
BS		 1368 abi_ulong __unused1;
1369 abi_ulong __unused2;
3eb6b044
TS		 1370};
1371
1372struct target_semid_ds
1373{
1374 struct target_ipc_perm sem_perm;
992f48a0
BS		 1375 abi_ulong sem_otime;
1376 abi_ulong __unused1;
1377 abi_ulong sem_ctime;
1378 abi_ulong __unused2;
1379 abi_ulong sem_nsems;
1380 abi_ulong __unused3;
1381 abi_ulong __unused4;
3eb6b044
TS		 1382};
1383
1384static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip,
992f48a0 1385 abi_ulong target_addr)
3eb6b044
TS		 1386{
1387 struct target_ipc_perm *target_ip;
1388 struct target_semid_ds *target_sd;
1389
1390 lock_user_struct(target_sd, target_addr, 1);
1391 target_ip=&(target_sd->sem_perm);
1392 host_ip->__key = tswapl(target_ip->__key);
1393 host_ip->uid = tswapl(target_ip->uid);
1394 host_ip->gid = tswapl(target_ip->gid);
1395 host_ip->cuid = tswapl(target_ip->cuid);
1396 host_ip->cgid = tswapl(target_ip->cgid);
1397 host_ip->mode = tswapl(target_ip->mode);
1398 unlock_user_struct(target_sd, target_addr, 0);
1399}
1400
992f48a0 1401static inline void host_to_target_ipc_perm(abi_ulong target_addr,
3eb6b044
TS		 1402 struct ipc_perm *host_ip)
1403{
1404 struct target_ipc_perm *target_ip;
1405 struct target_semid_ds *target_sd;
1406
1407 lock_user_struct(target_sd, target_addr, 0);
1408 target_ip = &(target_sd->sem_perm);
1409 target_ip->__key = tswapl(host_ip->__key);
1410 target_ip->uid = tswapl(host_ip->uid);
1411 target_ip->gid = tswapl(host_ip->gid);
1412 target_ip->cuid = tswapl(host_ip->cuid);
1413 target_ip->cgid = tswapl(host_ip->cgid);
1414 target_ip->mode = tswapl(host_ip->mode);
1415 unlock_user_struct(target_sd, target_addr, 1);
1416}
1417
1418static inline void target_to_host_semid_ds(struct semid_ds *host_sd,
992f48a0 1419 abi_ulong target_addr)
3eb6b044
TS		 1420{
1421 struct target_semid_ds *target_sd;
1422
1423 lock_user_struct(target_sd, target_addr, 1);
1424 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1425 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1426 host_sd->sem_otime = tswapl(target_sd->sem_otime);
1427 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1428 unlock_user_struct(target_sd, target_addr, 0);
1429}
1430
992f48a0 1431static inline void host_to_target_semid_ds(abi_ulong target_addr,
3eb6b044
TS		 1432 struct semid_ds *host_sd)
1433{
1434 struct target_semid_ds *target_sd;
1435
1436 lock_user_struct(target_sd, target_addr, 0);
1437 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1438 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1439 target_sd->sem_otime = tswapl(host_sd->sem_otime);
1440 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1441 unlock_user_struct(target_sd, target_addr, 1);
1442}
1443
fa294816
TS		 1444union semun {
1445 int val;
3eb6b044 1446 struct semid_ds *buf;
fa294816
TS		 1447 unsigned short *array;
1448};
1449
3eb6b044
TS		 1450union target_semun {
1451 int val;
992f48a0 1452 abi_long buf;
3eb6b044
TS		 1453 unsigned short int *array;
1454};
1455
32407103 1456static inline void target_to_host_semun(int cmd,
3eb6b044 1457 union semun *host_su,
992f48a0 1458 abi_ulong target_addr,
3eb6b044
TS		 1459 struct semid_ds *ds)
1460{
1461 union target_semun *target_su;
1462
1463 switch( cmd ) {
1464 case IPC_STAT:
1465 case IPC_SET:
1466 lock_user_struct(target_su, target_addr, 1);
1467 target_to_host_semid_ds(ds,target_su->buf);
1468 host_su->buf = ds;
1469 unlock_user_struct(target_su, target_addr, 0);
1470 break;
1471 case GETVAL:
1472 case SETVAL:
1473 lock_user_struct(target_su, target_addr, 1);
1474 host_su->val = tswapl(target_su->val);
1475 unlock_user_struct(target_su, target_addr, 0);
1476 break;
1477 case GETALL:
1478 case SETALL:
1479 lock_user_struct(target_su, target_addr, 1);
1480 *host_su->array = tswap16(*target_su->array);
1481 unlock_user_struct(target_su, target_addr, 0);
1482 break;
1483 default:
1484 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1485 }
1486}
1487
32407103 1488static inline void host_to_target_semun(int cmd,
992f48a0 1489 abi_ulong target_addr,
3eb6b044
TS		 1490 union semun *host_su,
1491 struct semid_ds *ds)
1492{
1493 union target_semun *target_su;
1494
1495 switch( cmd ) {
1496 case IPC_STAT:
1497 case IPC_SET:
1498 lock_user_struct(target_su, target_addr, 0);
1499 host_to_target_semid_ds(target_su->buf,ds);
1500 unlock_user_struct(target_su, target_addr, 1);
1501 break;
1502 case GETVAL:
1503 case SETVAL:
1504 lock_user_struct(target_su, target_addr, 0);
1505 target_su->val = tswapl(host_su->val);
1506 unlock_user_struct(target_su, target_addr, 1);
1507 break;
1508 case GETALL:
1509 case SETALL:
1510 lock_user_struct(target_su, target_addr, 0);
1511 *target_su->array = tswap16(*host_su->array);
1512 unlock_user_struct(target_su, target_addr, 1);
1513 break;
1514 default:
1515 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1516 }
1517}
1518
992f48a0
BS		 1519static inline abi_long do_semctl(int first, int second, int third,
1520 abi_long ptr)
3eb6b044
TS		 1521{
1522 union semun arg;
1523 struct semid_ds dsarg;
1524 int cmd = third&0xff;
992f48a0 1525 abi_long ret = 0;
3eb6b044
TS		 1526
1527 switch( cmd ) {
1528 case GETVAL:
1529 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1530 ret = get_errno(semctl(first, second, cmd, arg));
1531 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1532 break;
1533 case SETVAL:
1534 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1535 ret = get_errno(semctl(first, second, cmd, arg));
1536 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1537 break;
1538 case GETALL:
1539 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1540 ret = get_errno(semctl(first, second, cmd, arg));
1541 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1542 break;
1543 case SETALL:
1544 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1545 ret = get_errno(semctl(first, second, cmd, arg));
1546 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1547 break;
1548 case IPC_STAT:
1549 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1550 ret = get_errno(semctl(first, second, cmd, arg));
1551 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1552 break;
1553 case IPC_SET:
1554 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1555 ret = get_errno(semctl(first, second, cmd, arg));
1556 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1557 break;
1558 default:
1559 ret = get_errno(semctl(first, second, cmd, arg));
1560 }
1561
1562 return ret;
1563}
1564
1bc012f6
TS		 1565struct target_msqid_ds
1566{
1567 struct target_ipc_perm msg_perm;
992f48a0
BS		 1568 abi_ulong msg_stime;
1569 abi_ulong __unused1;
1570 abi_ulong msg_rtime;
1571 abi_ulong __unused2;
1572 abi_ulong msg_ctime;
1573 abi_ulong __unused3;
1574 abi_ulong __msg_cbytes;
1575 abi_ulong msg_qnum;
1576 abi_ulong msg_qbytes;
1577 abi_ulong msg_lspid;
1578 abi_ulong msg_lrpid;
1579 abi_ulong __unused4;
1580 abi_ulong __unused5;
1bc012f6
TS		 1581};
1582
1583static inline void target_to_host_msqid_ds(struct msqid_ds *host_md,
992f48a0 1584 abi_ulong target_addr)
1bc012f6
TS		 1585{
1586 struct target_msqid_ds *target_md;
1587
1588 lock_user_struct(target_md, target_addr, 1);
1589 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
1590 host_md->msg_stime = tswapl(target_md->msg_stime);
1591 host_md->msg_rtime = tswapl(target_md->msg_rtime);
1592 host_md->msg_ctime = tswapl(target_md->msg_ctime);
1593 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1594 host_md->msg_qnum = tswapl(target_md->msg_qnum);
1595 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1596 host_md->msg_lspid = tswapl(target_md->msg_lspid);
1597 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1598 unlock_user_struct(target_md, target_addr, 0);
1599}
1600
992f48a0 1601static inline void host_to_target_msqid_ds(abi_ulong target_addr,
1bc012f6
TS		 1602 struct msqid_ds *host_md)
1603{
1604 struct target_msqid_ds *target_md;
1605
1606 lock_user_struct(target_md, target_addr, 0);
1607 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
1608 target_md->msg_stime = tswapl(host_md->msg_stime);
1609 target_md->msg_rtime = tswapl(host_md->msg_rtime);
1610 target_md->msg_ctime = tswapl(host_md->msg_ctime);
1611 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1612 target_md->msg_qnum = tswapl(host_md->msg_qnum);
1613 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1614 target_md->msg_lspid = tswapl(host_md->msg_lspid);
1615 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1616 unlock_user_struct(target_md, target_addr, 1);
1617}
1618
992f48a0 1619static inline abi_long do_msgctl(int first, int second, abi_long ptr)
1bc012f6
TS		 1620{
1621 struct msqid_ds dsarg;
1622 int cmd = second&0xff;
992f48a0 1623 abi_long ret = 0;
1bc012f6
TS		 1624 switch( cmd ) {
1625 case IPC_STAT:
1626 case IPC_SET:
1627 target_to_host_msqid_ds(&dsarg,ptr);
1628 ret = get_errno(msgctl(first, cmd, &dsarg));
1629 host_to_target_msqid_ds(ptr,&dsarg);
1630 default:
1631 ret = get_errno(msgctl(first, cmd, &dsarg));
1632 }
1633 return ret;
1634}
1635
1636struct target_msgbuf {
992f48a0 1637 abi_ulong mtype;
1bc012f6
TS		 1638 char mtext[1];
1639};
1640
992f48a0
BS		 1641static inline abi_long do_msgsnd(int msqid, abi_long msgp,
1642 unsigned int msgsz, int msgflg)
1bc012f6
TS		 1643{
1644 struct target_msgbuf *target_mb;
1645 struct msgbuf *host_mb;
992f48a0 1646 abi_long ret = 0;
1bc012f6
TS		 1647
1648 lock_user_struct(target_mb,msgp,0);
1649 host_mb = malloc(msgsz+sizeof(long));
1650 host_mb->mtype = tswapl(target_mb->mtype);
1651 memcpy(host_mb->mtext,target_mb->mtext,msgsz);
1652 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
1653 free(host_mb);
1654 unlock_user_struct(target_mb, msgp, 0);
1655
1656 return ret;
1657}
1658
992f48a0
BS		 1659static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1660 unsigned int msgsz, int msgtype,
1661 int msgflg)
1bc012f6
TS		 1662{
1663 struct target_msgbuf *target_mb;
1664 struct msgbuf *host_mb;
992f48a0 1665 abi_long ret = 0;
1bc012f6
TS		 1666
1667 lock_user_struct(target_mb, msgp, 0);
1668 host_mb = malloc(msgsz+sizeof(long));
1669 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
1670 if (ret > 0)
1671 memcpy(target_mb->mtext, host_mb->mtext, ret);
1672 target_mb->mtype = tswapl(host_mb->mtype);
1673 free(host_mb);
1674 unlock_user_struct(target_mb, msgp, 0);
1675
1676 return ret;
1677}
1678
53a5960a 1679/* ??? This only works with linear mappings. */
0da46a6e 1680/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 1681static abi_long do_ipc(unsigned int call, int first,
1682 int second, int third,
1683 abi_long ptr, abi_long fifth)
8853f86e
FB		 1684{
1685 int version;
992f48a0 1686 abi_long ret = 0;
8853f86e
FB		 1687 unsigned long raddr;
1688 struct shmid_ds shm_info;
1689 int i;
1690
1691 version = call >> 16;
1692 call &= 0xffff;
1693
1694 switch (call) {
fa294816
TS		 1695 case IPCOP_semop:
1696 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1697 break;
1698
1699 case IPCOP_semget:
1700 ret = get_errno(semget(first, second, third));
1701 break;
1702
1703 case IPCOP_semctl:
3eb6b044 1704 ret = do_semctl(first, second, third, ptr);
fa294816
TS		 1705 break;
1706
1707 case IPCOP_semtimedop:
32407103 1708 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 1709 ret = -TARGET_ENOSYS;
fa294816 1710 break;
d96372ef
TS		 1711
1712 case IPCOP_msgget:
1713 ret = get_errno(msgget(first, second));
1714 break;
1715
1716 case IPCOP_msgsnd:
1bc012f6 1717 ret = do_msgsnd(first, ptr, second, third);
d96372ef
TS		 1718 break;
1719
1720 case IPCOP_msgctl:
1bc012f6 1721 ret = do_msgctl(first, second, ptr);
d96372ef
TS		 1722 break;
1723
1724 case IPCOP_msgrcv:
1bc012f6
TS		 1725 {
1726 struct ipc_kludge
1727 {
1728 void *__unbounded msgp;
1729 long int msgtyp;
1730 };
d96372ef 1731
1bc012f6
TS		 1732 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1733 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
d96372ef 1734
1bc012f6 1735 ret = do_msgrcv(first, (long)msgp, second, 0, third);
d96372ef 1736
1bc012f6 1737 }
d96372ef
TS		 1738 break;
1739
8853f86e
FB		 1740 case IPCOP_shmat:
1741 /* SHM_* flags are the same on all linux platforms */
1742 ret = get_errno((long) shmat(first, (void *) ptr, second));
1743 if (is_error(ret))
1744 break;
1745 raddr = ret;
1746 /* find out the length of the shared memory segment */
3b46e624 1747
8853f86e
FB		 1748 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1749 if (is_error(ret)) {
1750 /* can't get length, bail out */
1751 shmdt((void *) raddr);
1752 break;
1753 }
1754 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1755 PAGE_VALID | PAGE_READ |
1756 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1757 for (i = 0; i < N_SHM_REGIONS; ++i) {
1758 if (shm_regions[i].start == 0) {
1759 shm_regions[i].start = raddr;
1760 shm_regions[i].size = shm_info.shm_segsz;
1761 break;
1762 }
1763 }
992f48a0 1764 if (put_user(raddr, (abi_ulong *)third))
0da46a6e 1765 return -TARGET_EFAULT;
8853f86e
FB		 1766 ret = 0;
1767 break;
1768 case IPCOP_shmdt:
1769 for (i = 0; i < N_SHM_REGIONS; ++i) {
1770 if (shm_regions[i].start == ptr) {
1771 shm_regions[i].start = 0;
1772 page_set_flags(ptr, shm_regions[i].size, 0);
1773 break;
1774 }
1775 }
1776 ret = get_errno(shmdt((void *) ptr));
1777 break;
1778
1779 case IPCOP_shmget:
1780 /* IPC_* flag values are the same on all linux platforms */
1781 ret = get_errno(shmget(first, second, third));
1782 break;
1783
1784 /* IPC_* and SHM_* command values are the same on all linux platforms */
1785 case IPCOP_shmctl:
1786 switch(second) {
1787 case IPC_RMID:
1788 case SHM_LOCK:
1789 case SHM_UNLOCK:
1790 ret = get_errno(shmctl(first, second, NULL));
1791 break;
1792 default:
1793 goto unimplemented;
1794 }
1795 break;
1796 default:
1797 unimplemented:
32407103 1798 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 1799 ret = -TARGET_ENOSYS;
8853f86e
FB		 1800 break;
1801 }
1802 return ret;
1803}
32407103 1804#endif
8853f86e 1805
31e31b8a
FB		 1806/* kernel structure types definitions */
1807#define IFNAMSIZ 16
1808
1809#define STRUCT(name, list...) STRUCT_ ## name,
1810#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1811enum {
1812#include "syscall_types.h"
1813};
1814#undef STRUCT
1815#undef STRUCT_SPECIAL
1816
1817#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1818#define STRUCT_SPECIAL(name)
1819#include "syscall_types.h"
1820#undef STRUCT
1821#undef STRUCT_SPECIAL
1822
1823typedef struct IOCTLEntry {
2ab83ea7
FB		 1824 unsigned int target_cmd;
1825 unsigned int host_cmd;
31e31b8a
FB		 1826 const char *name;
1827 int access;
1a9353d2 1828 const argtype arg_type[5];
31e31b8a
FB		 1829} IOCTLEntry;
1830
1831#define IOC_R 0x0001
1832#define IOC_W 0x0002
1833#define IOC_RW (IOC_R | IOC_W)
1834
1835#define MAX_STRUCT_SIZE 4096
1836
2ab83ea7 1837IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 1838#define IOCTL(cmd, access, types...) \
1839 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1840#include "ioctls.h"
1841 { 0, 0, },
1842};
1843
53a5960a 1844/* ??? Implement proper locking for ioctls. */
0da46a6e 1845/* do_ioctl() Must return target values and target errnos. */
992f48a0 1846static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 1847{
1848 const IOCTLEntry *ie;
1849 const argtype *arg_type;
992f48a0 1850 abi_long ret;
31e31b8a 1851 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 1852 int target_size;
1853 void *argptr;
31e31b8a
FB		 1854
1855 ie = ioctl_entries;
1856 for(;;) {
1857 if (ie->target_cmd == 0) {
32407103 1858 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 1859 return -TARGET_ENOSYS;
31e31b8a
FB		 1860 }
1861 if (ie->target_cmd == cmd)
1862 break;
1863 ie++;
1864 }
1865 arg_type = ie->arg_type;
9de5e440 1866#if defined(DEBUG)
32407103 1867 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 1868#endif
31e31b8a
FB		 1869 switch(arg_type[0]) {
1870 case TYPE_NULL:
1871 /* no argument */
1872 ret = get_errno(ioctl(fd, ie->host_cmd));
1873 break;
1874 case TYPE_PTRVOID:
1875 case TYPE_INT:
1876 /* int argment */
1877 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1878 break;
1879 case TYPE_PTR:
1880 arg_type++;
53a5960a 1881 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 1882 switch(ie->access) {
1883 case IOC_R:
1884 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1885 if (!is_error(ret)) {
53a5960a
PB		 1886 argptr = lock_user(arg, target_size, 0);
1887 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1888 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1889 }
1890 break;
1891 case IOC_W:
53a5960a
PB		 1892 argptr = lock_user(arg, target_size, 1);
1893 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1894 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1895 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1896 break;
1897 default:
1898 case IOC_RW:
53a5960a
PB		 1899 argptr = lock_user(arg, target_size, 1);
1900 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1901 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1902 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1903 if (!is_error(ret)) {
53a5960a
PB		 1904 argptr = lock_user(arg, target_size, 0);
1905 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1906 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1907 }
1908 break;
1909 }
1910 break;
1911 default:
32407103
JM		 1912 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
1913 (long)cmd, arg_type[0]);
0da46a6e 1914 ret = -TARGET_ENOSYS;
31e31b8a
FB		 1915 break;
1916 }
1917 return ret;
1918}
1919
1920bitmask_transtbl iflag_tbl[] = {
1921 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1922 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1923 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1924 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1925 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1926 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1927 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1928 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1929 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1930 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1931 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1932 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1933 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1934 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1935 { 0, 0, 0, 0 }
1936};
1937
1938bitmask_transtbl oflag_tbl[] = {
1939 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1940 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1941 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1942 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1943 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1944 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1945 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1946 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1947 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1948 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1949 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1950 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1951 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1952 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1953 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1954 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1955 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1956 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1957 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1958 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1959 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1960 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1961 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1962 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1963 { 0, 0, 0, 0 }
1964};
1965
1966bitmask_transtbl cflag_tbl[] = {
1967 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1968 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1969 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1970 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1971 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1972 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1973 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1974 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1975 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1976 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1977 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1978 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1979 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1980 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1981 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1982 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1983 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1984 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1985 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1986 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1987 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1988 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1989 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1990 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1991 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1992 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1993 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1994 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1995 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1996 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1997 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1998 { 0, 0, 0, 0 }
1999};
2000
2001bitmask_transtbl lflag_tbl[] = {
2002 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
2003 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
2004 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
2005 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
2006 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
2007 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
2008 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
2009 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
2010 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
2011 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
2012 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
2013 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
2014 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
2015 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
2016 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
2017 { 0, 0, 0, 0 }
2018};
2019
2020static void target_to_host_termios (void *dst, const void *src)
2021{
2022 struct host_termios *host = dst;
2023 const struct target_termios *target = src;
3b46e624 2024
5fafdf24 2025 host->c_iflag =
31e31b8a 2026 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 2027 host->c_oflag =
31e31b8a 2028 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 2029 host->c_cflag =
31e31b8a 2030 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 2031 host->c_lflag =
31e31b8a
FB		 2032 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
2033 host->c_line = target->c_line;
3b46e624 2034
5fafdf24
TS		 2035 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
2036 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 2037 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 2038 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 2039 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 2040 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 2041 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 2042 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 2043 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 2044 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
2045 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 2046 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
2047 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
2048 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
2049 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
2050 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 2051 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 2052}
3b46e624 2053
31e31b8a
FB		 2054static void host_to_target_termios (void *dst, const void *src)
2055{
2056 struct target_termios *target = dst;
2057 const struct host_termios *host = src;
2058
5fafdf24 2059 target->c_iflag =
31e31b8a 2060 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 2061 target->c_oflag =
31e31b8a 2062 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 2063 target->c_cflag =
31e31b8a 2064 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 2065 target->c_lflag =
31e31b8a
FB		 2066 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
2067 target->c_line = host->c_line;
3b46e624 2068
31e31b8a
FB		 2069 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
2070 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
2071 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
2072 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
2073 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
2074 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
2075 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
2076 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
2077 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
2078 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
2079 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
2080 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
2081 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
2082 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
2083 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
2084 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
2085 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
2086}
2087
2088StructEntry struct_termios_def = {
2089 .convert = { host_to_target_termios, target_to_host_termios },
2090 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
2091 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
2092};
2093
5286db75
FB		 2094static bitmask_transtbl mmap_flags_tbl[] = {
2095 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
2096 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
2097 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
2098 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
2099 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
2100 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
2101 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
2102 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
2103 { 0, 0, 0, 0 }
2104};
2105
ffa65c3b
FB		 2106static bitmask_transtbl fcntl_flags_tbl[] = {
2107 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
2108 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
2109 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
2110 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
2111 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
2112 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
2113 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
2114 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
2115 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
2116 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
2117 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
2118 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
2119 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 2120#if defined(O_DIRECT)
ffa65c3b 2121 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 2122#endif
ffa65c3b
FB		 2123 { 0, 0, 0, 0 }
2124};
2125
2ab83ea7 2126#if defined(TARGET_I386)
6dbad63e
FB		 2127
2128/* NOTE: there is really one LDT for all the threads */
2129uint8_t *ldt_table;
2130
992f48a0 2131static int read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 2132{
2133 int size;
53a5960a 2134 void *p;
6dbad63e
FB		 2135
2136 if (!ldt_table)
2137 return 0;
2138 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2139 if (size > bytecount)
2140 size = bytecount;
53a5960a
PB		 2141 p = lock_user(ptr, size, 0);
2142 /* ??? Shoudl this by byteswapped? */
2143 memcpy(p, ldt_table, size);
2144 unlock_user(p, ptr, size);
6dbad63e
FB		 2145 return size;
2146}
2147
2148/* XXX: add locking support */
0da46a6e 2149/* write_ldt() returns host errnos */
5fafdf24 2150static int write_ldt(CPUX86State *env,
992f48a0 2151 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 2152{
2153 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 2154 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e
FB		 2155 int seg_32bit, contents, read_exec_only, limit_in_pages;
2156 int seg_not_present, useable;
2157 uint32_t *lp, entry_1, entry_2;
2158
2159 if (bytecount != sizeof(ldt_info))
2160 return -EINVAL;
53a5960a
PB		 2161 lock_user_struct(target_ldt_info, ptr, 1);
2162 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2163 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2164 ldt_info.limit = tswap32(target_ldt_info->limit);
2165 ldt_info.flags = tswap32(target_ldt_info->flags);
2166 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 2167
6dbad63e
FB		 2168 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2169 return -EINVAL;
2170 seg_32bit = ldt_info.flags & 1;
2171 contents = (ldt_info.flags >> 1) & 3;
2172 read_exec_only = (ldt_info.flags >> 3) & 1;
2173 limit_in_pages = (ldt_info.flags >> 4) & 1;
2174 seg_not_present = (ldt_info.flags >> 5) & 1;
2175 useable = (ldt_info.flags >> 6) & 1;
2176
2177 if (contents == 3) {
2178 if (oldmode)
2179 return -EINVAL;
2180 if (seg_not_present == 0)
2181 return -EINVAL;
2182 }
2183 /* allocate the LDT */
2184 if (!ldt_table) {
2185 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2186 if (!ldt_table)
2187 return -ENOMEM;
2188 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
53a5960a 2189 env->ldt.base = h2g(ldt_table);
6dbad63e
FB		 2190 env->ldt.limit = 0xffff;
2191 }
2192
2193 /* NOTE: same code as Linux kernel */
2194 /* Allow LDTs to be cleared by the user. */
2195 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2196 if (oldmode ||
2197 (contents == 0 &&
2198 read_exec_only == 1 &&
2199 seg_32bit == 0 &&
2200 limit_in_pages == 0 &&
2201 seg_not_present == 1 &&
2202 useable == 0 )) {
2203 entry_1 = 0;
2204 entry_2 = 0;
2205 goto install;
2206 }
2207 }
3b46e624 2208
6dbad63e
FB		 2209 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2210 (ldt_info.limit & 0x0ffff);
2211 entry_2 = (ldt_info.base_addr & 0xff000000) |
2212 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2213 (ldt_info.limit & 0xf0000) |
2214 ((read_exec_only ^ 1) << 9) |
2215 (contents << 10) |
2216 ((seg_not_present ^ 1) << 15) |
2217 (seg_32bit << 22) |
2218 (limit_in_pages << 23) |
2219 0x7000;
2220 if (!oldmode)
2221 entry_2 |= (useable << 20);
14ae3ba7 2222
6dbad63e
FB		 2223 /* Install the new entry ... */
2224install:
2225 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2226 lp[0] = tswap32(entry_1);
2227 lp[1] = tswap32(entry_2);
2228 return 0;
2229}
2230
2231/* specific and weird i386 syscalls */
0da46a6e
TS		 2232/* do_modify_ldt() returns host errnos (it is inconsistent with the
2233 other do_*() functions which return target errnos). */
992f48a0 2234int do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 2235{
2236 int ret = -ENOSYS;
3b46e624 2237
6dbad63e
FB		 2238 switch (func) {
2239 case 0:
2240 ret = read_ldt(ptr, bytecount);
2241 break;
2242 case 1:
2243 ret = write_ldt(env, ptr, bytecount, 1);
2244 break;
2245 case 0x11:
2246 ret = write_ldt(env, ptr, bytecount, 0);
2247 break;
2248 }
2249 return ret;
2250}
1b6b029e 2251
2ab83ea7
FB		 2252#endif /* defined(TARGET_I386) */
2253
1b6b029e
FB		 2254/* this stack is the equivalent of the kernel stack associated with a
2255 thread/process */
2256#define NEW_STACK_SIZE 8192
2257
2258static int clone_func(void *arg)
2259{
2ab83ea7 2260 CPUState *env = arg;
1b6b029e
FB		 2261 cpu_loop(env);
2262 /* never exits */
2263 return 0;
2264}
2265
0da46a6e
TS		 2266/* do_fork() Must return host values and target errnos (unlike most
2267 do_*() functions). */
992f48a0 2268int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp)
1b6b029e
FB		 2269{
2270 int ret;
5cd4393b 2271 TaskState *ts;
1b6b029e 2272 uint8_t *new_stack;
2ab83ea7 2273 CPUState *new_env;
3b46e624 2274
1b6b029e 2275 if (flags & CLONE_VM) {
5cd4393b
FB		 2276 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2277 memset(ts, 0, sizeof(TaskState));
2278 new_stack = ts->stack;
2279 ts->used = 1;
2280 /* add in task state list */
2281 ts->next = first_task_state;
2282 first_task_state = ts;
1b6b029e 2283 /* we create a new CPU instance. */
c5be9f08 2284 new_env = cpu_copy(env);
2ab83ea7
FB		 2285#if defined(TARGET_I386)
2286 if (!newsp)
2287 newsp = env->regs[R_ESP];
1b6b029e
FB		 2288 new_env->regs[R_ESP] = newsp;
2289 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 2290#elif defined(TARGET_ARM)
2291 if (!newsp)
2292 newsp = env->regs[13];
2293 new_env->regs[13] = newsp;
2294 new_env->regs[0] = 0;
ebc05488 2295#elif defined(TARGET_SPARC)
48dc41eb
FB		 2296 if (!newsp)
2297 newsp = env->regwptr[22];
2298 new_env->regwptr[22] = newsp;
2299 new_env->regwptr[0] = 0;
2300 /* XXXXX */
67867308 2301 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 2302#elif defined(TARGET_M68K)
2303 if (!newsp)
2304 newsp = env->aregs[7];
2305 new_env->aregs[7] = newsp;
2306 new_env->dregs[0] = 0;
2307 /* ??? is this sufficient? */
048f6b4d 2308#elif defined(TARGET_MIPS)
388bb21a 2309 if (!newsp)
ead9360e
TS		 2310 newsp = env->gpr[29][env->current_tc];
2311 new_env->gpr[29][env->current_tc] = newsp;
67867308
FB		 2312#elif defined(TARGET_PPC)
2313 if (!newsp)
2314 newsp = env->gpr[1];
2315 new_env->gpr[1] = newsp;
5fafdf24 2316 {
67867308
FB		 2317 int i;
2318 for (i = 7; i < 32; i++)
2319 new_env->gpr[i] = 0;
2320 }
fdf9b3e8
FB		 2321#elif defined(TARGET_SH4)
2322 if (!newsp)
2323 newsp = env->gregs[15];
2324 new_env->gregs[15] = newsp;
2325 /* XXXXX */
7a3148a9
JM		 2326#elif defined(TARGET_ALPHA)
2327 if (!newsp)
2328 newsp = env->ir[30];
2329 new_env->ir[30] = newsp;
2330 /* ? */
2331 {
2332 int i;
2333 for (i = 7; i < 30; i++)
2334 new_env->ir[i] = 0;
2335 }
48733d19
TS		 2336#elif defined(TARGET_CRIS)
2337 if (!newsp)
2338 newsp = env->regs[14];
2339 new_env->regs[14] = newsp;
2ab83ea7
FB		 2340#else
2341#error unsupported target CPU
2342#endif
5cd4393b 2343 new_env->opaque = ts;
27725c1d 2344#ifdef __ia64__
fd4a43e4 2345 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 2346#else
2347 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2348#endif
1b6b029e
FB		 2349 } else {
2350 /* if no CLONE_VM, we consider it is a fork */
2351 if ((flags & ~CSIGNAL) != 0)
2352 return -EINVAL;
2353 ret = fork();
2354 }
2355 return ret;
2356}
2357
992f48a0 2358static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 2359{
2360 struct flock fl;
53a5960a 2361 struct target_flock *target_fl;
43f238d7
TS		 2362 struct flock64 fl64;
2363 struct target_flock64 *target_fl64;
992f48a0 2364 abi_long ret;
53a5960a 2365
7775e9ec
FB		 2366 switch(cmd) {
2367 case TARGET_F_GETLK:
5813427b
TS		 2368 lock_user_struct(target_fl, arg, 1);
2369 fl.l_type = tswap16(target_fl->l_type);
2370 fl.l_whence = tswap16(target_fl->l_whence);
2371 fl.l_start = tswapl(target_fl->l_start);
2372 fl.l_len = tswapl(target_fl->l_len);
2373 fl.l_pid = tswapl(target_fl->l_pid);
2374 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2375 ret = fcntl(fd, cmd, &fl);
2376 if (ret == 0) {
53a5960a 2377 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2378 target_fl->l_type = tswap16(fl.l_type);
2379 target_fl->l_whence = tswap16(fl.l_whence);
2380 target_fl->l_start = tswapl(fl.l_start);
2381 target_fl->l_len = tswapl(fl.l_len);
2382 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 2383 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2384 }
2385 break;
3b46e624 2386
7775e9ec
FB		 2387 case TARGET_F_SETLK:
2388 case TARGET_F_SETLKW:
53a5960a 2389 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2390 fl.l_type = tswap16(target_fl->l_type);
2391 fl.l_whence = tswap16(target_fl->l_whence);
2392 fl.l_start = tswapl(target_fl->l_start);
2393 fl.l_len = tswapl(target_fl->l_len);
2394 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 2395 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2396 ret = fcntl(fd, cmd, &fl);
2397 break;
3b46e624 2398
7775e9ec 2399 case TARGET_F_GETLK64:
5813427b
TS		 2400 lock_user_struct(target_fl64, arg, 1);
2401 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2402 fl64.l_whence = tswap16(target_fl64->l_whence);
2403 fl64.l_start = tswapl(target_fl64->l_start);
2404 fl64.l_len = tswapl(target_fl64->l_len);
2405 fl64.l_pid = tswap16(target_fl64->l_pid);
2406 unlock_user_struct(target_fl64, arg, 0);
43f238d7
TS		 2407 ret = fcntl(fd, cmd >> 1, &fl64);
2408 if (ret == 0) {
2409 lock_user_struct(target_fl64, arg, 0);
2410 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2411 target_fl64->l_whence = tswap16(fl64.l_whence);
2412 target_fl64->l_start = tswapl(fl64.l_start);
2413 target_fl64->l_len = tswapl(fl64.l_len);
2414 target_fl64->l_pid = tswapl(fl64.l_pid);
2415 unlock_user_struct(target_fl64, arg, 1);
2416 }
2417 break;
7775e9ec
FB		 2418 case TARGET_F_SETLK64:
2419 case TARGET_F_SETLKW64:
43f238d7
TS		 2420 lock_user_struct(target_fl64, arg, 1);
2421 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2422 fl64.l_whence = tswap16(target_fl64->l_whence);
2423 fl64.l_start = tswapl(target_fl64->l_start);
2424 fl64.l_len = tswapl(target_fl64->l_len);
2425 fl64.l_pid = tswap16(target_fl64->l_pid);
2426 unlock_user_struct(target_fl64, arg, 0);
2427 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 2428 break;
2429
ffa65c3b
FB		 2430 case F_GETFL:
2431 ret = fcntl(fd, cmd, arg);
2432 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2433 break;
2434
2435 case F_SETFL:
2436 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
2437 break;
2438
7775e9ec
FB		 2439 default:
2440 ret = fcntl(fd, cmd, arg);
2441 break;
2442 }
2443 return ret;
2444}
2445
67867308 2446#ifdef USE_UID16
7775e9ec 2447
67867308
FB		 2448static inline int high2lowuid(int uid)
2449{
2450 if (uid > 65535)
2451 return 65534;
2452 else
2453 return uid;
2454}
2455
2456static inline int high2lowgid(int gid)
2457{
2458 if (gid > 65535)
2459 return 65534;
2460 else
2461 return gid;
2462}
2463
2464static inline int low2highuid(int uid)
2465{
2466 if ((int16_t)uid == -1)
2467 return -1;
2468 else
2469 return uid;
2470}
2471
2472static inline int low2highgid(int gid)
2473{
2474 if ((int16_t)gid == -1)
2475 return -1;
2476 else
2477 return gid;
2478}
2479
2480#endif /* USE_UID16 */
1b6b029e 2481
31e31b8a
FB		 2482void syscall_init(void)
2483{
2ab83ea7
FB		 2484 IOCTLEntry *ie;
2485 const argtype *arg_type;
2486 int size;
b92c47c1 2487 int i;
2ab83ea7 2488
5fafdf24
TS		 2489#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
2490#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 2491#include "syscall_types.h"
2492#undef STRUCT
2493#undef STRUCT_SPECIAL
2ab83ea7
FB		 2494
2495 /* we patch the ioctl size if necessary. We rely on the fact that
2496 no ioctl has all the bits at '1' in the size field */
2497 ie = ioctl_entries;
2498 while (ie->target_cmd != 0) {
2499 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2500 TARGET_IOC_SIZEMASK) {
2501 arg_type = ie->arg_type;
2502 if (arg_type[0] != TYPE_PTR) {
5fafdf24 2503 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 2504 ie->target_cmd);
2505 exit(1);
2506 }
2507 arg_type++;
2508 size = thunk_type_size(arg_type, 0);
5fafdf24 2509 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 2510 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2511 (size << TARGET_IOC_SIZESHIFT);
2512 }
b92c47c1
TS		 2513
2514 /* Build target_to_host_errno_table[] table from
2515 * host_to_target_errno_table[]. */
2516 for (i=0; i < ERRNO_TABLE_SIZE; i++)
2517 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
2518
2ab83ea7
FB		 2519 /* automatic consistency check if same arch */
2520#if defined(__i386__) && defined(TARGET_I386)
2521 if (ie->target_cmd != ie->host_cmd) {
5fafdf24 2522 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
2ab83ea7
FB		 2523 ie->target_cmd, ie->host_cmd);
2524 }
2525#endif
2526 ie++;
2527 }
31e31b8a 2528}
c573ff67 2529
992f48a0 2530#if TARGET_ABI_BITS == 32
ce4defa0
PB		 2531static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2532{
2533#ifdef TARGET_WORDS_BIG_ENDIAN
2534 return ((uint64_t)word0 << 32) | word1;
2535#else
2536 return ((uint64_t)word1 << 32) | word0;
2537#endif
2538}
992f48a0 2539#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 2540static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
2541{
2542 return word0;
2543}
992f48a0 2544#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 2545
2546#ifdef TARGET_NR_truncate64
992f48a0
BS		 2547static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
2548 abi_long arg2,
2549 abi_long arg3,
2550 abi_long arg4)
ce4defa0
PB		 2551{
2552#ifdef TARGET_ARM
2553 if (((CPUARMState *)cpu_env)->eabi)
2554 {
2555 arg2 = arg3;
2556 arg3 = arg4;
2557 }
2558#endif
2559 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
2560}
2561#endif
2562
2563#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 2564static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
2565 abi_long arg2,
2566 abi_long arg3,
2567 abi_long arg4)
ce4defa0
PB		 2568{
2569#ifdef TARGET_ARM
2570 if (((CPUARMState *)cpu_env)->eabi)
2571 {
2572 arg2 = arg3;
2573 arg3 = arg4;
2574 }
2575#endif
2576 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
2577}
2578#endif
2579
53a5960a 2580static inline void target_to_host_timespec(struct timespec *host_ts,
992f48a0 2581 abi_ulong target_addr)
53a5960a
PB		 2582{
2583 struct target_timespec *target_ts;
2584
2585 lock_user_struct(target_ts, target_addr, 1);
2586 host_ts->tv_sec = tswapl(target_ts->tv_sec);
2587 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2588 unlock_user_struct(target_ts, target_addr, 0);
2589}
2590
992f48a0 2591static inline void host_to_target_timespec(abi_ulong target_addr,
53a5960a
PB		 2592 struct timespec *host_ts)
2593{
2594 struct target_timespec *target_ts;
2595
2596 lock_user_struct(target_ts, target_addr, 0);
2597 target_ts->tv_sec = tswapl(host_ts->tv_sec);
2598 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2599 unlock_user_struct(target_ts, target_addr, 1);
2600}
2601
0da46a6e
TS		 2602/* do_syscall() should always have a single exit point at the end so
2603 that actions, such as logging of syscall results, can be performed.
2604 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 2605abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
2606 abi_long arg2, abi_long arg3, abi_long arg4,
2607 abi_long arg5, abi_long arg6)
31e31b8a 2608{
992f48a0 2609 abi_long ret;
31e31b8a 2610 struct stat st;
56c8f68f 2611 struct statfs stfs;
53a5960a 2612 void *p;
3b46e624 2613
72f03900 2614#ifdef DEBUG
c573ff67 2615 gemu_log("syscall %d", num);
72f03900 2616#endif
b92c47c1
TS		 2617 if(do_strace)
2618 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
2619
31e31b8a
FB		 2620 switch(num) {
2621 case TARGET_NR_exit:
7d13299d
FB		 2622#ifdef HAVE_GPROF
2623 _mcleanup();
2624#endif
e9009676 2625 gdb_exit(cpu_env, arg1);
1b6b029e 2626 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 2627 _exit(arg1);
2628 ret = 0; /* avoid warning */
2629 break;
2630 case TARGET_NR_read:
53a5960a
PB		 2631 page_unprotect_range(arg2, arg3);
2632 p = lock_user(arg2, arg3, 0);
2633 ret = get_errno(read(arg1, p, arg3));
2634 unlock_user(p, arg2, ret);
31e31b8a
FB		 2635 break;
2636 case TARGET_NR_write:
53a5960a
PB		 2637 p = lock_user(arg2, arg3, 1);
2638 ret = get_errno(write(arg1, p, arg3));
2639 unlock_user(p, arg2, 0);
31e31b8a
FB		 2640 break;
2641 case TARGET_NR_open:
53a5960a
PB		 2642 p = lock_user_string(arg1);
2643 ret = get_errno(open(path(p),
ffa65c3b
FB		 2644 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2645 arg3));
53a5960a 2646 unlock_user(p, arg1, 0);
31e31b8a 2647 break;
82424832
TS		 2648#if defined(TARGET_NR_openat) && defined(__NR_openat)
2649 case TARGET_NR_openat:
2650 if (!arg2) {
0da46a6e 2651 ret = -TARGET_EFAULT;
82424832
TS		 2652 goto fail;
2653 }
2654 p = lock_user_string(arg2);
2655 if (!access_ok(VERIFY_READ, p, 1))
0da46a6e
TS		 2656 /* Don't "goto fail" so that cleanup can happen. */
2657 ret = -TARGET_EFAULT;
82424832
TS		 2658 else
2659 ret = get_errno(sys_openat(arg1,
2660 path(p),
2661 target_to_host_bitmask(arg3, fcntl_flags_tbl),
2662 arg4));
2663 if (p)
2664 unlock_user(p, arg2, 0);
2665 break;
2666#endif
31e31b8a
FB		 2667 case TARGET_NR_close:
2668 ret = get_errno(close(arg1));
2669 break;
2670 case TARGET_NR_brk:
53a5960a 2671 ret = do_brk(arg1);
31e31b8a
FB		 2672 break;
2673 case TARGET_NR_fork:
1b6b029e 2674 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a 2675 break;
e5febef5 2676#ifdef TARGET_NR_waitpid
31e31b8a
FB		 2677 case TARGET_NR_waitpid:
2678 {
53a5960a
PB		 2679 int status;
2680 ret = get_errno(waitpid(arg1, &status, arg3));
2681 if (!is_error(ret) && arg2)
2682 tput32(arg2, status);
31e31b8a
FB		 2683 }
2684 break;
e5febef5 2685#endif
7a3148a9 2686#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 2687 case TARGET_NR_creat:
53a5960a
PB		 2688 p = lock_user_string(arg1);
2689 ret = get_errno(creat(p, arg2));
2690 unlock_user(p, arg1, 0);
31e31b8a 2691 break;
7a3148a9 2692#endif
31e31b8a 2693 case TARGET_NR_link:
53a5960a
PB		 2694 {
2695 void * p2;
2696 p = lock_user_string(arg1);
2697 p2 = lock_user_string(arg2);
2698 ret = get_errno(link(p, p2));
2699 unlock_user(p2, arg2, 0);
2700 unlock_user(p, arg1, 0);
2701 }
31e31b8a 2702 break;
64f0ce4c
TS		 2703#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
2704 case TARGET_NR_linkat:
2705 if (!arg2 || !arg4) {
0da46a6e 2706 ret = -TARGET_EFAULT;
64f0ce4c 2707 goto fail;
0da46a6e 2708 }
64f0ce4c
TS		 2709 {
2710 void * p2 = NULL;
2711 p = lock_user_string(arg2);
2712 p2 = lock_user_string(arg4);
2713 if (!access_ok(VERIFY_READ, p, 1)
2714 || !access_ok(VERIFY_READ, p2, 1))
0da46a6e
TS		 2715 /* Don't "goto fail" so that cleanup can happen. */
2716 ret = -TARGET_EFAULT;
64f0ce4c
TS		 2717 else
2718 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
2719 if (p2)
2720 unlock_user(p, arg2, 0);
2721 if (p)
2722 unlock_user(p2, arg4, 0);
2723 }
2724 break;
2725#endif
31e31b8a 2726 case TARGET_NR_unlink:
53a5960a
PB		 2727 p = lock_user_string(arg1);
2728 ret = get_errno(unlink(p));
2729 unlock_user(p, arg1, 0);
31e31b8a 2730 break;
8170f56b
TS		 2731#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
2732 case TARGET_NR_unlinkat:
2733 if (!arg2) {
0da46a6e 2734 ret = -TARGET_EFAULT;
8170f56b
TS		 2735 goto fail;
2736 }
2737 p = lock_user_string(arg2);
2738 if (!access_ok(VERIFY_READ, p, 1))
0da46a6e
TS		 2739 /* Don't "goto fail" so that cleanup can happen. */
2740 ret = -TARGET_EFAULT;
8170f56b
TS		 2741 else
2742 ret = get_errno(sys_unlinkat(arg1, p, arg3));
2743 if (p)
2744 unlock_user(p, arg2, 0);
2745 break;
2746#endif
31e31b8a 2747 case TARGET_NR_execve:
7854b056
FB		 2748 {
2749 char **argp, **envp;
f7341ff4 2750 int argc, envc;
992f48a0
BS		 2751 abi_ulong gp;
2752 abi_ulong guest_argp;
2753 abi_ulong guest_envp;
2754 abi_ulong addr;
7854b056
FB		 2755 char **q;
2756
f7341ff4 2757 argc = 0;
53a5960a
PB		 2758 guest_argp = arg2;
2759 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2760 argc++;
f7341ff4 2761 envc = 0;
53a5960a
PB		 2762 guest_envp = arg3;
2763 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2764 envc++;
2765
f7341ff4
FB		 2766 argp = alloca((argc + 1) * sizeof(void *));
2767 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2768
53a5960a 2769 for (gp = guest_argp, q = argp; ;
992f48a0 2770 gp += sizeof(abi_ulong), q++) {
53a5960a
PB		 2771 addr = tgetl(gp);
2772 if (!addr)
2773 break;
2774 *q = lock_user_string(addr);
2775 }
f7341ff4
FB		 2776 *q = NULL;
2777
53a5960a 2778 for (gp = guest_envp, q = envp; ;
992f48a0 2779 gp += sizeof(abi_ulong), q++) {
53a5960a
PB		 2780 addr = tgetl(gp);
2781 if (!addr)
2782 break;
2783 *q = lock_user_string(addr);
2784 }
f7341ff4 2785 *q = NULL;
7854b056 2786
53a5960a
PB		 2787 p = lock_user_string(arg1);
2788 ret = get_errno(execve(p, argp, envp));
2789 unlock_user(p, arg1, 0);
2790
2791 for (gp = guest_argp, q = argp; *q;
992f48a0 2792 gp += sizeof(abi_ulong), q++) {
53a5960a
PB		 2793 addr = tgetl(gp);
2794 unlock_user(*q, addr, 0);
2795 }
2796 for (gp = guest_envp, q = envp; *q;
992f48a0 2797 gp += sizeof(abi_ulong), q++) {
53a5960a
PB		 2798 addr = tgetl(gp);
2799 unlock_user(*q, addr, 0);
2800 }
7854b056 2801 }
31e31b8a
FB		 2802 break;
2803 case TARGET_NR_chdir:
53a5960a
PB		 2804 p = lock_user_string(arg1);
2805 ret = get_errno(chdir(p));
2806 unlock_user(p, arg1, 0);
31e31b8a 2807 break;
a315a145 2808#ifdef TARGET_NR_time
31e31b8a
FB		 2809 case TARGET_NR_time:
2810 {
53a5960a
PB		 2811 time_t host_time;
2812 ret = get_errno(time(&host_time));
2813 if (!is_error(ret) && arg1)
2814 tputl(arg1, host_time);
31e31b8a
FB		 2815 }
2816 break;
a315a145 2817#endif
31e31b8a 2818 case TARGET_NR_mknod:
53a5960a
PB		 2819 p = lock_user_string(arg1);
2820 ret = get_errno(mknod(p, arg2, arg3));
2821 unlock_user(p, arg1, 0);
31e31b8a 2822 break;
75ac37a0
TS		 2823#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
2824 case TARGET_NR_mknodat:
2825 if (!arg2) {
0da46a6e 2826 ret = -TARGET_EFAULT;
75ac37a0
TS		 2827 goto fail;
2828 }
2829 p = lock_user_string(arg2);
2830 if (!access_ok(VERIFY_READ, p, 1))
0da46a6e
TS		 2831 /* Don't "goto fail" so that cleanup can happen. */
2832 ret = -TARGET_EFAULT;
75ac37a0
TS		 2833 else
2834 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
2835 if (p)
2836 unlock_user(p, arg2, 0);
2837 break;
2838#endif
31e31b8a 2839 case TARGET_NR_chmod:
53a5960a
PB		 2840 p = lock_user_string(arg1);
2841 ret = get_errno(chmod(p, arg2));
2842 unlock_user(p, arg1, 0);
31e31b8a 2843 break;
ebc05488 2844#ifdef TARGET_NR_break
31e31b8a
FB		 2845 case TARGET_NR_break:
2846 goto unimplemented;
ebc05488
FB		 2847#endif
2848#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2849 case TARGET_NR_oldstat:
2850 goto unimplemented;
ebc05488 2851#endif
31e31b8a
FB		 2852 case TARGET_NR_lseek:
2853 ret = get_errno(lseek(arg1, arg2, arg3));
2854 break;
7a3148a9
JM		 2855#ifdef TARGET_NR_getxpid
2856 case TARGET_NR_getxpid:
2857#else
31e31b8a 2858 case TARGET_NR_getpid:
7a3148a9 2859#endif
31e31b8a
FB		 2860 ret = get_errno(getpid());
2861 break;
2862 case TARGET_NR_mount:
80265918
TS		 2863 {
2864 /* need to look at the data field */
2865 void *p2, *p3;
2866 p = lock_user_string(arg1);
2867 p2 = lock_user_string(arg2);
2868 p3 = lock_user_string(arg3);
2869 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2870 unlock_user(p, arg1, 0);
2871 unlock_user(p2, arg2, 0);
2872 unlock_user(p3, arg3, 0);
2873 break;
2874 }
e5febef5 2875#ifdef TARGET_NR_umount
31e31b8a 2876 case TARGET_NR_umount:
53a5960a
PB		 2877 p = lock_user_string(arg1);
2878 ret = get_errno(umount(p));
2879 unlock_user(p, arg1, 0);
31e31b8a 2880 break;
e5febef5 2881#endif
7a3148a9 2882#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 2883 case TARGET_NR_stime:
2884 {
53a5960a
PB		 2885 time_t host_time;
2886 host_time = tgetl(arg1);
2887 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2888 }
2889 break;
7a3148a9 2890#endif
31e31b8a
FB		 2891 case TARGET_NR_ptrace:
2892 goto unimplemented;
7a3148a9 2893#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 2894 case TARGET_NR_alarm:
2895 ret = alarm(arg1);
2896 break;
7a3148a9 2897#endif
ebc05488 2898#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2899 case TARGET_NR_oldfstat:
2900 goto unimplemented;
ebc05488 2901#endif
7a3148a9 2902#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 2903 case TARGET_NR_pause:
2904 ret = get_errno(pause());
2905 break;
7a3148a9 2906#endif
e5febef5 2907#ifdef TARGET_NR_utime
31e31b8a 2908 case TARGET_NR_utime:
ebc05488 2909 {
53a5960a
PB		 2910 struct utimbuf tbuf, *host_tbuf;
2911 struct target_utimbuf *target_tbuf;
2912 if (arg2) {
2913 lock_user_struct(target_tbuf, arg2, 1);
2914 tbuf.actime = tswapl(target_tbuf->actime);
2915 tbuf.modtime = tswapl(target_tbuf->modtime);
2916 unlock_user_struct(target_tbuf, arg2, 0);
2917 host_tbuf = &tbuf;
f72e8ff4 2918 } else {
53a5960a 2919 host_tbuf = NULL;
f72e8ff4 2920 }
53a5960a
PB		 2921 p = lock_user_string(arg1);
2922 ret = get_errno(utime(p, host_tbuf));
2923 unlock_user(p, arg1, 0);
ebc05488
FB		 2924 }
2925 break;
e5febef5 2926#endif
978a66ff
FB		 2927 case TARGET_NR_utimes:
2928 {
978a66ff 2929 struct timeval *tvp, tv[2];
53a5960a
PB		 2930 if (arg2) {
2931 target_to_host_timeval(&tv[0], arg2);
2932 target_to_host_timeval(&tv[1],
2933 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2934 tvp = tv;
2935 } else {
2936 tvp = NULL;
2937 }
53a5960a
PB		 2938 p = lock_user_string(arg1);
2939 ret = get_errno(utimes(p, tvp));
2940 unlock_user(p, arg1, 0);
978a66ff
FB		 2941 }
2942 break;
ebc05488 2943#ifdef TARGET_NR_stty
31e31b8a
FB		 2944 case TARGET_NR_stty:
2945 goto unimplemented;
ebc05488
FB		 2946#endif
2947#ifdef TARGET_NR_gtty
31e31b8a
FB		 2948 case TARGET_NR_gtty:
2949 goto unimplemented;
ebc05488 2950#endif
31e31b8a 2951 case TARGET_NR_access:
53a5960a
PB		 2952 p = lock_user_string(arg1);
2953 ret = get_errno(access(p, arg2));
2954 unlock_user(p, arg1, 0);
31e31b8a 2955 break;
92a34c10
TS		 2956#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
2957 case TARGET_NR_faccessat:
2958 if (!arg2) {
0da46a6e 2959 ret = -TARGET_EFAULT;
92a34c10
TS		 2960 goto fail;
2961 }
2962 p = lock_user_string(arg2);
2963 if (!access_ok(VERIFY_READ, p, 1))
0da46a6e
TS		 2964 /* Don't "goto fail" so that cleanup can happen. */
2965 ret = -TARGET_EFAULT;
92a34c10
TS		 2966 else
2967 ret = get_errno(sys_faccessat(arg1, p, arg3, arg4));
2968 if (p)
2969 unlock_user(p, arg2, 0);
2970 break;
2971#endif
7a3148a9 2972#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 2973 case TARGET_NR_nice:
2974 ret = get_errno(nice(arg1));
2975 break;
7a3148a9 2976#endif
ebc05488 2977#ifdef TARGET_NR_ftime
31e31b8a
FB		 2978 case TARGET_NR_ftime:
2979 goto unimplemented;
ebc05488 2980#endif
31e31b8a 2981 case TARGET_NR_sync:
04369ff2
FB		 2982 sync();
2983 ret = 0;
31e31b8a
FB		 2984 break;
2985 case TARGET_NR_kill:
2986 ret = get_errno(kill(arg1, arg2));
2987 break;
2988 case TARGET_NR_rename:
53a5960a
PB		 2989 {
2990 void *p2;
2991 p = lock_user_string(arg1);
2992 p2 = lock_user_string(arg2);
2993 ret = get_errno(rename(p, p2));
2994 unlock_user(p2, arg2, 0);
2995 unlock_user(p, arg1, 0);
2996 }
31e31b8a 2997 break;
722183f6
TS		 2998#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
2999 case TARGET_NR_renameat:
3000 if (!arg2 || !arg4) {
0da46a6e
TS		 3001 ret = -TARGET_EFAULT;
3002 goto fail;
722183f6
TS		 3003 }
3004 {
3005 void *p2 = NULL;
3006 p = lock_user_string(arg2);
3007 p2 = lock_user_string(arg4);
3008 if (!access_ok(VERIFY_READ, p, 1)
3009 || !access_ok(VERIFY_READ, p2, 1))
0da46a6e
TS		 3010 /* Don't "goto fail" so that cleanup can happen. */
3011 ret = -TARGET_EFAULT;
722183f6
TS		 3012 else
3013 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
3014 if (p2)
3015 unlock_user(p2, arg4, 0);
3016 if (p)
3017 unlock_user(p, arg2, 0);
3018 }
3019 break;
3020#endif
31e31b8a 3021 case TARGET_NR_mkdir:
53a5960a
PB		 3022 p = lock_user_string(arg1);
3023 ret = get_errno(mkdir(p, arg2));
3024 unlock_user(p, arg1, 0);
31e31b8a 3025 break;
4472ad0d
TS		 3026#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
3027 case TARGET_NR_mkdirat:
3028 if (!arg2) {
0da46a6e 3029 ret = -TARGET_EFAULT;
4472ad0d
TS		 3030 goto fail;
3031 }
3032 p = lock_user_string(arg2);
3033 if (!access_ok(VERIFY_READ, p, 1))
0da46a6e
TS		 3034 /* Don't "goto fail" so that cleanup can happen. */
3035 ret = -TARGET_EFAULT;
4472ad0d
TS		 3036 else
3037 ret = get_errno(sys_mkdirat(arg1, p, arg3));
3038 if (p)
3039 unlock_user(p, arg2, 0);
3040 break;
3041#endif
31e31b8a 3042 case TARGET_NR_rmdir:
53a5960a
PB		 3043 p = lock_user_string(arg1);
3044 ret = get_errno(rmdir(p));
3045 unlock_user(p, arg1, 0);
31e31b8a
FB		 3046 break;
3047 case TARGET_NR_dup:
3048 ret = get_errno(dup(arg1));
3049 break;
3050 case TARGET_NR_pipe:
3051 {
53a5960a
PB		 3052 int host_pipe[2];
3053 ret = get_errno(pipe(host_pipe));
31e31b8a 3054 if (!is_error(ret)) {
c12ab05c 3055#if defined(TARGET_MIPS)
ead9360e
TS		 3056 CPUMIPSState *env = (CPUMIPSState*)cpu_env;
3057 env->gpr[3][env->current_tc] = host_pipe[1];
c12ab05c
TS		 3058 ret = host_pipe[0];
3059#else
53a5960a
PB		 3060 tput32(arg1, host_pipe[0]);
3061 tput32(arg1 + 4, host_pipe[1]);
c12ab05c 3062#endif
31e31b8a
FB		 3063 }
3064 }
3065 break;
3066 case TARGET_NR_times:
32f36bce 3067 {
53a5960a 3068 struct target_tms *tmsp;
32f36bce
FB		 3069 struct tms tms;
3070 ret = get_errno(times(&tms));
53a5960a
PB		 3071 if (arg1) {
3072 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 3073 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
3074 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
3075 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
3076 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 3077 }
c596ed17
FB		 3078 if (!is_error(ret))
3079 ret = host_to_target_clock_t(ret);
32f36bce
FB		 3080 }
3081 break;
ebc05488 3082#ifdef TARGET_NR_prof
31e31b8a
FB		 3083 case TARGET_NR_prof:
3084 goto unimplemented;
ebc05488 3085#endif
e5febef5 3086#ifdef TARGET_NR_signal
31e31b8a
FB		 3087 case TARGET_NR_signal:
3088 goto unimplemented;
e5febef5 3089#endif
31e31b8a 3090 case TARGET_NR_acct:
24836689
PB		 3091 p = lock_user_string(arg1);
3092 ret = get_errno(acct(path(p)));
3093 unlock_user(p, arg1, 0);
3094 break;
7a3148a9 3095#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 3096 case TARGET_NR_umount2:
53a5960a
PB		 3097 p = lock_user_string(arg1);
3098 ret = get_errno(umount2(p, arg2));
3099 unlock_user(p, arg1, 0);
31e31b8a 3100 break;
7a3148a9 3101#endif
ebc05488 3102#ifdef TARGET_NR_lock
31e31b8a
FB		 3103 case TARGET_NR_lock:
3104 goto unimplemented;
ebc05488 3105#endif
31e31b8a
FB		 3106 case TARGET_NR_ioctl:
3107 ret = do_ioctl(arg1, arg2, arg3);
3108 break;
3109 case TARGET_NR_fcntl:
7775e9ec 3110 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 3111 break;
ebc05488 3112#ifdef TARGET_NR_mpx
31e31b8a
FB		 3113 case TARGET_NR_mpx:
3114 goto unimplemented;
ebc05488 3115#endif
31e31b8a
FB		 3116 case TARGET_NR_setpgid:
3117 ret = get_errno(setpgid(arg1, arg2));
3118 break;
ebc05488 3119#ifdef TARGET_NR_ulimit
31e31b8a
FB		 3120 case TARGET_NR_ulimit:
3121 goto unimplemented;
ebc05488
FB		 3122#endif
3123#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 3124 case TARGET_NR_oldolduname:
3125 goto unimplemented;
ebc05488 3126#endif
31e31b8a
FB		 3127 case TARGET_NR_umask:
3128 ret = get_errno(umask(arg1));
3129 break;
3130 case TARGET_NR_chroot:
53a5960a
PB		 3131 p = lock_user_string(arg1);
3132 ret = get_errno(chroot(p));
3133 unlock_user(p, arg1, 0);
31e31b8a
FB		 3134 break;
3135 case TARGET_NR_ustat:
3136 goto unimplemented;
3137 case TARGET_NR_dup2:
3138 ret = get_errno(dup2(arg1, arg2));
3139 break;
7a3148a9 3140#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 3141 case TARGET_NR_getppid:
3142 ret = get_errno(getppid());
3143 break;
7a3148a9 3144#endif
31e31b8a
FB		 3145 case TARGET_NR_getpgrp:
3146 ret = get_errno(getpgrp());
3147 break;
3148 case TARGET_NR_setsid:
3149 ret = get_errno(setsid());
3150 break;
e5febef5 3151#ifdef TARGET_NR_sigaction
31e31b8a 3152 case TARGET_NR_sigaction:
31e31b8a 3153 {
388bb21a 3154#if !defined(TARGET_MIPS)
53a5960a 3155 struct target_old_sigaction *old_act;
66fb9763 3156 struct target_sigaction act, oact, *pact;
53a5960a
PB		 3157 if (arg2) {
3158 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 3159 act._sa_handler = old_act->_sa_handler;
3160 target_siginitset(&act.sa_mask, old_act->sa_mask);
3161 act.sa_flags = old_act->sa_flags;
3162 act.sa_restorer = old_act->sa_restorer;
53a5960a 3163 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 3164 pact = &act;
3165 } else {
3166 pact = NULL;
3167 }
3168 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 3169 if (!is_error(ret) && arg3) {
3170 lock_user_struct(old_act, arg3, 0);
3171 old_act->_sa_handler = oact._sa_handler;
3172 old_act->sa_mask = oact.sa_mask.sig[0];
3173 old_act->sa_flags = oact.sa_flags;
3174 old_act->sa_restorer = oact.sa_restorer;
3175 unlock_user_struct(old_act, arg3, 1);
66fb9763 3176 }
388bb21a 3177#else
106ec879
FB		 3178 struct target_sigaction act, oact, *pact, *old_act;
3179
3180 if (arg2) {
3181 lock_user_struct(old_act, arg2, 1);
3182 act._sa_handler = old_act->_sa_handler;
3183 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
3184 act.sa_flags = old_act->sa_flags;
3185 unlock_user_struct(old_act, arg2, 0);
3186 pact = &act;
3187 } else {
3188 pact = NULL;
3189 }
3190
3191 ret = get_errno(do_sigaction(arg1, pact, &oact));
3192
3193 if (!is_error(ret) && arg3) {
3194 lock_user_struct(old_act, arg3, 0);
3195 old_act->_sa_handler = oact._sa_handler;
3196 old_act->sa_flags = oact.sa_flags;
3197 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
3198 old_act->sa_mask.sig[1] = 0;
3199 old_act->sa_mask.sig[2] = 0;
3200 old_act->sa_mask.sig[3] = 0;
3201 unlock_user_struct(old_act, arg3, 1);
3202 }
388bb21a 3203#endif
31e31b8a
FB		 3204 }
3205 break;
e5febef5 3206#endif
66fb9763 3207 case TARGET_NR_rt_sigaction:
53a5960a
PB		 3208 {
3209 struct target_sigaction *act;
3210 struct target_sigaction *oact;
3211
3212 if (arg2)
3213 lock_user_struct(act, arg2, 1);
3214 else
3215 act = NULL;
3216 if (arg3)
3217 lock_user_struct(oact, arg3, 0);
3218 else
3219 oact = NULL;
3220 ret = get_errno(do_sigaction(arg1, act, oact));
3221 if (arg2)
3222 unlock_user_struct(act, arg2, 0);
3223 if (arg3)
3224 unlock_user_struct(oact, arg3, 1);
3225 }
66fb9763 3226 break;
7a3148a9 3227#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 3228 case TARGET_NR_sgetmask:
66fb9763
FB		 3229 {
3230 sigset_t cur_set;
992f48a0 3231 abi_ulong target_set;
66fb9763
FB		 3232 sigprocmask(0, NULL, &cur_set);
3233 host_to_target_old_sigset(&target_set, &cur_set);
3234 ret = target_set;
3235 }
3236 break;
7a3148a9
JM		 3237#endif
3238#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 3239 case TARGET_NR_ssetmask:
66fb9763
FB		 3240 {
3241 sigset_t set, oset, cur_set;
992f48a0 3242 abi_ulong target_set = arg1;
66fb9763
FB		 3243 sigprocmask(0, NULL, &cur_set);
3244 target_to_host_old_sigset(&set, &target_set);
3245 sigorset(&set, &set, &cur_set);
3246 sigprocmask(SIG_SETMASK, &set, &oset);
3247 host_to_target_old_sigset(&target_set, &oset);
3248 ret = target_set;
3249 }
3250 break;
7a3148a9 3251#endif
e5febef5 3252#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 3253 case TARGET_NR_sigprocmask:
3254 {
3255 int how = arg1;
3256 sigset_t set, oldset, *set_ptr;
3b46e624 3257
53a5960a 3258 if (arg2) {
66fb9763
FB		 3259 switch(how) {
3260 case TARGET_SIG_BLOCK:
3261 how = SIG_BLOCK;
3262 break;
3263 case TARGET_SIG_UNBLOCK:
3264 how = SIG_UNBLOCK;
3265 break;
3266 case TARGET_SIG_SETMASK:
3267 how = SIG_SETMASK;
3268 break;
3269 default:
0da46a6e 3270 ret = -TARGET_EINVAL;
66fb9763
FB		 3271 goto fail;
3272 }
53a5960a
PB		 3273 p = lock_user(arg2, sizeof(target_sigset_t), 1);
3274 target_to_host_old_sigset(&set, p);
3275 unlock_user(p, arg2, 0);
66fb9763
FB		 3276 set_ptr = &set;
3277 } else {
3278 how = 0;
3279 set_ptr = NULL;
3280 }
3281 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 3282 if (!is_error(ret) && arg3) {
3283 p = lock_user(arg3, sizeof(target_sigset_t), 0);
3284 host_to_target_old_sigset(p, &oldset);
3285 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 3286 }
3287 }
3288 break;
e5febef5 3289#endif
66fb9763
FB		 3290 case TARGET_NR_rt_sigprocmask:
3291 {
3292 int how = arg1;
3293 sigset_t set, oldset, *set_ptr;
3b46e624 3294
53a5960a 3295 if (arg2) {
66fb9763
FB		 3296 switch(how) {
3297 case TARGET_SIG_BLOCK:
3298 how = SIG_BLOCK;
3299 break;
3300 case TARGET_SIG_UNBLOCK:
3301 how = SIG_UNBLOCK;
3302 break;
3303 case TARGET_SIG_SETMASK:
3304 how = SIG_SETMASK;
3305 break;
3306 default:
0da46a6e 3307 ret = -TARGET_EINVAL;
66fb9763
FB		 3308 goto fail;
3309 }
53a5960a
PB		 3310 p = lock_user(arg2, sizeof(target_sigset_t), 1);
3311 target_to_host_sigset(&set, p);
3312 unlock_user(p, arg2, 0);
66fb9763
FB		 3313 set_ptr = &set;
3314 } else {
3315 how = 0;
3316 set_ptr = NULL;
3317 }
3318 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 3319 if (!is_error(ret) && arg3) {
3320 p = lock_user(arg3, sizeof(target_sigset_t), 0);
3321 host_to_target_sigset(p, &oldset);
3322 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 3323 }
3324 }
3325 break;
e5febef5 3326#ifdef TARGET_NR_sigpending
66fb9763
FB		 3327 case TARGET_NR_sigpending:
3328 {
3329 sigset_t set;
3330 ret = get_errno(sigpending(&set));
3331 if (!is_error(ret)) {
53a5960a
PB		 3332 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3333 host_to_target_old_sigset(p, &set);
3334 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3335 }
3336 }
3337 break;
e5febef5 3338#endif
66fb9763
FB		 3339 case TARGET_NR_rt_sigpending:
3340 {
3341 sigset_t set;
3342 ret = get_errno(sigpending(&set));
3343 if (!is_error(ret)) {
53a5960a
PB		 3344 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3345 host_to_target_sigset(p, &set);
3346 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3347 }
3348 }
3349 break;
e5febef5 3350#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 3351 case TARGET_NR_sigsuspend:
3352 {
3353 sigset_t set;
53a5960a
PB		 3354 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3355 target_to_host_old_sigset(&set, p);
3356 unlock_user(p, arg1, 0);
66fb9763
FB		 3357 ret = get_errno(sigsuspend(&set));
3358 }
3359 break;
e5febef5 3360#endif
66fb9763
FB		 3361 case TARGET_NR_rt_sigsuspend:
3362 {
3363 sigset_t set;
53a5960a
PB		 3364 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3365 target_to_host_sigset(&set, p);
3366 unlock_user(p, arg1, 0);
66fb9763
FB		 3367 ret = get_errno(sigsuspend(&set));
3368 }
3369 break;
3370 case TARGET_NR_rt_sigtimedwait:
3371 {
66fb9763
FB		 3372 sigset_t set;
3373 struct timespec uts, *puts;
3374 siginfo_t uinfo;
3b46e624 3375
53a5960a
PB		 3376 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3377 target_to_host_sigset(&set, p);
3378 unlock_user(p, arg1, 0);
3379 if (arg3) {
66fb9763 3380 puts = &uts;
53a5960a 3381 target_to_host_timespec(puts, arg3);
66fb9763
FB		 3382 } else {
3383 puts = NULL;
3384 }
3385 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 3386 if (!is_error(ret) && arg2) {
3387 p = lock_user(arg2, sizeof(target_sigset_t), 0);
3388 host_to_target_siginfo(p, &uinfo);
3389 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 3390 }
3391 }
3392 break;
3393 case TARGET_NR_rt_sigqueueinfo:
3394 {
3395 siginfo_t uinfo;
53a5960a
PB		 3396 p = lock_user(arg3, sizeof(target_sigset_t), 1);
3397 target_to_host_siginfo(&uinfo, p);
3398 unlock_user(p, arg1, 0);
66fb9763
FB		 3399 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3400 }
3401 break;
e5febef5 3402#ifdef TARGET_NR_sigreturn
66fb9763
FB		 3403 case TARGET_NR_sigreturn:
3404 /* NOTE: ret is eax, so not transcoding must be done */
3405 ret = do_sigreturn(cpu_env);
3406 break;
e5febef5 3407#endif
66fb9763
FB		 3408 case TARGET_NR_rt_sigreturn:
3409 /* NOTE: ret is eax, so not transcoding must be done */
3410 ret = do_rt_sigreturn(cpu_env);
3411 break;
31e31b8a 3412 case TARGET_NR_sethostname:
53a5960a
PB		 3413 p = lock_user_string(arg1);
3414 ret = get_errno(sethostname(p, arg2));
3415 unlock_user(p, arg1, 0);
31e31b8a
FB		 3416 break;
3417 case TARGET_NR_setrlimit:
9de5e440
FB		 3418 {
3419 /* XXX: convert resource ? */
3420 int resource = arg1;
53a5960a 3421 struct target_rlimit *target_rlim;
9de5e440 3422 struct rlimit rlim;
53a5960a 3423 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3424 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3425 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 3426 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 3427 ret = get_errno(setrlimit(resource, &rlim));
3428 }
3429 break;
31e31b8a 3430 case TARGET_NR_getrlimit:
9de5e440
FB		 3431 {
3432 /* XXX: convert resource ? */
3433 int resource = arg1;
53a5960a 3434 struct target_rlimit *target_rlim;
9de5e440 3435 struct rlimit rlim;
3b46e624 3436
9de5e440
FB		 3437 ret = get_errno(getrlimit(resource, &rlim));
3438 if (!is_error(ret)) {
53a5960a
PB		 3439 lock_user_struct(target_rlim, arg2, 0);
3440 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3441 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3442 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3443 }
3444 }
3445 break;
31e31b8a 3446 case TARGET_NR_getrusage:
b409186b
FB		 3447 {
3448 struct rusage rusage;
b409186b
FB		 3449 ret = get_errno(getrusage(arg1, &rusage));
3450 if (!is_error(ret)) {
53a5960a 3451 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 3452 }
3453 }
3454 break;
31e31b8a
FB		 3455 case TARGET_NR_gettimeofday:
3456 {
31e31b8a
FB		 3457 struct timeval tv;
3458 ret = get_errno(gettimeofday(&tv, NULL));
3459 if (!is_error(ret)) {
53a5960a 3460 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 3461 }
3462 }
3463 break;
3464 case TARGET_NR_settimeofday:
3465 {
31e31b8a 3466 struct timeval tv;
53a5960a 3467 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 3468 ret = get_errno(settimeofday(&tv, NULL));
3469 }
3470 break;
048f6b4d 3471#ifdef TARGET_NR_select
31e31b8a 3472 case TARGET_NR_select:
f2674e31 3473 {
53a5960a 3474 struct target_sel_arg_struct *sel;
992f48a0 3475 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 3476 long nsel;
3477
3478 lock_user_struct(sel, arg1, 1);
3479 nsel = tswapl(sel->n);
3480 inp = tswapl(sel->inp);
3481 outp = tswapl(sel->outp);
3482 exp = tswapl(sel->exp);
3483 tvp = tswapl(sel->tvp);
3484 unlock_user_struct(sel, arg1, 0);
3485 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 3486 }
3487 break;
048f6b4d 3488#endif
31e31b8a 3489 case TARGET_NR_symlink:
53a5960a
PB		 3490 {
3491 void *p2;
3492 p = lock_user_string(arg1);
3493 p2 = lock_user_string(arg2);
3494 ret = get_errno(symlink(p, p2));
3495 unlock_user(p2, arg2, 0);
3496 unlock_user(p, arg1, 0);
3497 }
31e31b8a 3498 break;
f0b6243d
TS		 3499#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
3500 case TARGET_NR_symlinkat:
3501 if (!arg1 || !arg3) {
0da46a6e
TS		 3502 ret = -TARGET_EFAULT;
3503 goto fail;
3504 }
f0b6243d
TS		 3505 {
3506 void *p2 = NULL;
3507 p = lock_user_string(arg1);
3508 p2 = lock_user_string(arg3);
3509 if (!access_ok(VERIFY_READ, p, 1)
3510 || !access_ok(VERIFY_READ, p2, 1))
0da46a6e
TS		 3511 /* Don't "goto fail" so that cleanup can happen. */
3512 ret = -TARGET_EFAULT;
f0b6243d
TS		 3513 else
3514 ret = get_errno(sys_symlinkat(p, arg2, p2));
3515 if (p2)
3516 unlock_user(p2, arg3, 0);
3517 if (p)
3518 unlock_user(p, arg1, 0);
3519 }
3520 break;
3521#endif
ebc05488 3522#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 3523 case TARGET_NR_oldlstat:
3524 goto unimplemented;
ebc05488 3525#endif
31e31b8a 3526 case TARGET_NR_readlink:
53a5960a
PB		 3527 {
3528 void *p2;
3529 p = lock_user_string(arg1);
3530 p2 = lock_user(arg2, arg3, 0);
3531 ret = get_errno(readlink(path(p), p2, arg3));
3532 unlock_user(p2, arg2, ret);
3533 unlock_user(p, arg1, 0);
3534 }
31e31b8a 3535 break;
5e0ccb18
TS		 3536#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
3537 case TARGET_NR_readlinkat:
3538 if (!arg2 || !arg3) {
0da46a6e 3539 ret = -TARGET_EFAULT;
5e0ccb18 3540 goto fail;
0da46a6e 3541 }
5e0ccb18
TS		 3542 {
3543 void *p2 = NULL;
3544 p = lock_user_string(arg2);
3545 p2 = lock_user(arg3, arg4, 0);
3546 if (!access_ok(VERIFY_READ, p, 1)
3547 || !access_ok(VERIFY_READ, p2, 1))
0da46a6e
TS		 3548 /* Don't "goto fail" so that cleanup can happen. */
3549 ret = -TARGET_EFAULT;
5e0ccb18
TS		 3550 else
3551 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
3552 if (p2)
3553 unlock_user(p2, arg3, ret);
3554 if (p)
3555 unlock_user(p, arg2, 0);
3556 }
3557 break;
3558#endif
e5febef5 3559#ifdef TARGET_NR_uselib
31e31b8a
FB		 3560 case TARGET_NR_uselib:
3561 goto unimplemented;
e5febef5
TS		 3562#endif
3563#ifdef TARGET_NR_swapon
31e31b8a 3564 case TARGET_NR_swapon:
53a5960a
PB		 3565 p = lock_user_string(arg1);
3566 ret = get_errno(swapon(p, arg2));
3567 unlock_user(p, arg1, 0);
31e31b8a 3568 break;
e5febef5 3569#endif
31e31b8a
FB		 3570 case TARGET_NR_reboot:
3571 goto unimplemented;
e5febef5 3572#ifdef TARGET_NR_readdir
31e31b8a
FB		 3573 case TARGET_NR_readdir:
3574 goto unimplemented;
e5febef5
TS		 3575#endif
3576#ifdef TARGET_NR_mmap
31e31b8a 3577 case TARGET_NR_mmap:
48733d19 3578#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
31e31b8a 3579 {
992f48a0
BS		 3580 abi_ulong *v;
3581 abi_ulong v1, v2, v3, v4, v5, v6;
3582 v = lock_user(arg1, 6 * sizeof(abi_ulong), 1);
53a5960a
PB		 3583 v1 = tswapl(v[0]);
3584 v2 = tswapl(v[1]);
3585 v3 = tswapl(v[2]);
3586 v4 = tswapl(v[3]);
3587 v5 = tswapl(v[4]);
3588 v6 = tswapl(v[5]);
3589 unlock_user(v, arg1, 0);
5fafdf24 3590 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 3591 target_to_host_bitmask(v4, mmap_flags_tbl),
3592 v5, v6));
31e31b8a 3593 }
31e31b8a 3594#else
5fafdf24
TS		 3595 ret = get_errno(target_mmap(arg1, arg2, arg3,
3596 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 3597 arg5,
3598 arg6));
31e31b8a 3599#endif
6fb883e8 3600 break;
e5febef5 3601#endif
a315a145 3602#ifdef TARGET_NR_mmap2
6fb883e8 3603 case TARGET_NR_mmap2:
0d3267a7 3604#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 3605#define MMAP_SHIFT 12
3606#else
3607#define MMAP_SHIFT TARGET_PAGE_BITS
3608#endif
5fafdf24
TS		 3609 ret = get_errno(target_mmap(arg1, arg2, arg3,
3610 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 3611 arg5,
c573ff67 3612 arg6 << MMAP_SHIFT));
31e31b8a 3613 break;
a315a145 3614#endif
31e31b8a 3615 case TARGET_NR_munmap:
54936004 3616 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 3617 break;
9de5e440 3618 case TARGET_NR_mprotect:
54936004 3619 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 3620 break;
e5febef5 3621#ifdef TARGET_NR_mremap
9de5e440 3622 case TARGET_NR_mremap:
54936004 3623 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 3624 break;
e5febef5 3625#endif
53a5960a 3626 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 3627#ifdef TARGET_NR_msync
9de5e440 3628 case TARGET_NR_msync:
53a5960a 3629 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 3630 break;
e5febef5
TS		 3631#endif
3632#ifdef TARGET_NR_mlock
9de5e440 3633 case TARGET_NR_mlock:
53a5960a 3634 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 3635 break;
e5febef5
TS		 3636#endif
3637#ifdef TARGET_NR_munlock
9de5e440 3638 case TARGET_NR_munlock:
53a5960a 3639 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 3640 break;
e5febef5
TS		 3641#endif
3642#ifdef TARGET_NR_mlockall
9de5e440
FB		 3643 case TARGET_NR_mlockall:
3644 ret = get_errno(mlockall(arg1));
3645 break;
e5febef5
TS		 3646#endif
3647#ifdef TARGET_NR_munlockall
9de5e440
FB		 3648 case TARGET_NR_munlockall:
3649 ret = get_errno(munlockall());
3650 break;
e5febef5 3651#endif
31e31b8a 3652 case TARGET_NR_truncate:
53a5960a
PB		 3653 p = lock_user_string(arg1);
3654 ret = get_errno(truncate(p, arg2));
3655 unlock_user(p, arg1, 0);
31e31b8a
FB		 3656 break;
3657 case TARGET_NR_ftruncate:
3658 ret = get_errno(ftruncate(arg1, arg2));
3659 break;
3660 case TARGET_NR_fchmod:
3661 ret = get_errno(fchmod(arg1, arg2));
3662 break;
814d7977
TS		 3663#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
3664 case TARGET_NR_fchmodat:
3665 if (!arg2) {
0da46a6e 3666 ret = -TARGET_EFAULT;
814d7977
TS		 3667 goto fail;
3668 }
3669 p = lock_user_string(arg2);
3670 if (!access_ok(VERIFY_READ, p, 1))
0da46a6e
TS		 3671 /* Don't "goto fail" so that cleanup can happen. */
3672 ret = -TARGET_EFAULT;
814d7977
TS		 3673 else
3674 ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4));
3675 if (p)
3676 unlock_user(p, arg2, 0);
3677 break;
3678#endif
31e31b8a 3679 case TARGET_NR_getpriority:
c6cda17a
TS		 3680 /* libc does special remapping of the return value of
3681 * sys_getpriority() so it's just easiest to call
3682 * sys_getpriority() directly rather than through libc. */
3683 ret = sys_getpriority(arg1, arg2);
31e31b8a
FB		 3684 break;
3685 case TARGET_NR_setpriority:
3686 ret = get_errno(setpriority(arg1, arg2, arg3));
3687 break;
ebc05488 3688#ifdef TARGET_NR_profil
31e31b8a
FB		 3689 case TARGET_NR_profil:
3690 goto unimplemented;
ebc05488 3691#endif
31e31b8a 3692 case TARGET_NR_statfs:
53a5960a
PB		 3693 p = lock_user_string(arg1);
3694 ret = get_errno(statfs(path(p), &stfs));
3695 unlock_user(p, arg1, 0);
31e31b8a
FB		 3696 convert_statfs:
3697 if (!is_error(ret)) {
53a5960a 3698 struct target_statfs *target_stfs;
3b46e624 3699
53a5960a
PB		 3700 lock_user_struct(target_stfs, arg2, 0);
3701 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3702 put_user(stfs.f_type, &target_stfs->f_type);
3703 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3704 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3705 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3706 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3707 put_user(stfs.f_files, &target_stfs->f_files);
3708 put_user(stfs.f_ffree, &target_stfs->f_ffree);
4ce6f8de
TS		 3709 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
3710 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
56c8f68f 3711 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3712 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 3713 }
3714 break;
3715 case TARGET_NR_fstatfs:
56c8f68f 3716 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 3717 goto convert_statfs;
56c8f68f
FB		 3718#ifdef TARGET_NR_statfs64
3719 case TARGET_NR_statfs64:
53a5960a
PB		 3720 p = lock_user_string(arg1);
3721 ret = get_errno(statfs(path(p), &stfs));
3722 unlock_user(p, arg1, 0);
56c8f68f
FB		 3723 convert_statfs64:
3724 if (!is_error(ret)) {
53a5960a 3725 struct target_statfs64 *target_stfs;
3b46e624 3726
53a5960a
PB		 3727 lock_user_struct(target_stfs, arg3, 0);
3728 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3729 put_user(stfs.f_type, &target_stfs->f_type);
3730 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3731 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3732 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3733 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3734 put_user(stfs.f_files, &target_stfs->f_files);
3735 put_user(stfs.f_ffree, &target_stfs->f_ffree);
4ce6f8de
TS		 3736 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
3737 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
56c8f68f 3738 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3739 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 3740 }
3741 break;
3742 case TARGET_NR_fstatfs64:
3743 ret = get_errno(fstatfs(arg1, &stfs));
3744 goto convert_statfs64;
3745#endif
ebc05488 3746#ifdef TARGET_NR_ioperm
31e31b8a
FB		 3747 case TARGET_NR_ioperm:
3748 goto unimplemented;
ebc05488 3749#endif
e5febef5 3750#ifdef TARGET_NR_socketcall
31e31b8a 3751 case TARGET_NR_socketcall:
53a5960a 3752 ret = do_socketcall(arg1, arg2);
31e31b8a 3753 break;
e5febef5 3754#endif
3532fa74
FB		 3755#ifdef TARGET_NR_accept
3756 case TARGET_NR_accept:
1be9e1dc 3757 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 3758 break;
3759#endif
3760#ifdef TARGET_NR_bind
3761 case TARGET_NR_bind:
3762 ret = do_bind(arg1, arg2, arg3);
3763 break;
3764#endif
3765#ifdef TARGET_NR_connect
3766 case TARGET_NR_connect:
3767 ret = do_connect(arg1, arg2, arg3);
3768 break;
3769#endif
3770#ifdef TARGET_NR_getpeername
3771 case TARGET_NR_getpeername:
1be9e1dc 3772 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 3773 break;
3774#endif
3775#ifdef TARGET_NR_getsockname
3776 case TARGET_NR_getsockname:
1be9e1dc 3777 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 3778 break;
3779#endif
3780#ifdef TARGET_NR_getsockopt
3781 case TARGET_NR_getsockopt:
3782 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
3783 break;
3784#endif
3785#ifdef TARGET_NR_listen
3786 case TARGET_NR_listen:
1be9e1dc 3787 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 3788 break;
3789#endif
3790#ifdef TARGET_NR_recv
3791 case TARGET_NR_recv:
214201bd 3792 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3793 break;
3794#endif
3795#ifdef TARGET_NR_recvfrom
3796 case TARGET_NR_recvfrom:
214201bd 3797 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3798 break;
3799#endif
3800#ifdef TARGET_NR_recvmsg
3801 case TARGET_NR_recvmsg:
3802 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3803 break;
3804#endif
3805#ifdef TARGET_NR_send
3806 case TARGET_NR_send:
1be9e1dc 3807 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3808 break;
3809#endif
3810#ifdef TARGET_NR_sendmsg
3811 case TARGET_NR_sendmsg:
3812 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3813 break;
3814#endif
3815#ifdef TARGET_NR_sendto
3816 case TARGET_NR_sendto:
1be9e1dc 3817 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3818 break;
3819#endif
3820#ifdef TARGET_NR_shutdown
3821 case TARGET_NR_shutdown:
1be9e1dc 3822 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 3823 break;
3824#endif
3825#ifdef TARGET_NR_socket
3826 case TARGET_NR_socket:
3827 ret = do_socket(arg1, arg2, arg3);
3828 break;
3829#endif
3830#ifdef TARGET_NR_socketpair
3831 case TARGET_NR_socketpair:
1be9e1dc 3832 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 3833 break;
3834#endif
3835#ifdef TARGET_NR_setsockopt
3836 case TARGET_NR_setsockopt:
3837 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3838 break;
3839#endif
7494b0f9 3840
31e31b8a 3841 case TARGET_NR_syslog:
e5574487
TS		 3842 p = lock_user_string(arg2);
3843 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3844 unlock_user(p, arg2, 0);
7494b0f9
TS		 3845 break;
3846
31e31b8a 3847 case TARGET_NR_setitimer:
66fb9763 3848 {
66fb9763
FB		 3849 struct itimerval value, ovalue, *pvalue;
3850
53a5960a 3851 if (arg2) {
66fb9763 3852 pvalue = &value;
5fafdf24 3853 target_to_host_timeval(&pvalue->it_interval,
53a5960a 3854 arg2);
5fafdf24 3855 target_to_host_timeval(&pvalue->it_value,
53a5960a 3856 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 3857 } else {
3858 pvalue = NULL;
3859 }
3860 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 3861 if (!is_error(ret) && arg3) {
3862 host_to_target_timeval(arg3,
66fb9763 3863 &ovalue.it_interval);
53a5960a 3864 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 3865 &ovalue.it_value);
3866 }
3867 }
3868 break;
31e31b8a 3869 case TARGET_NR_getitimer:
66fb9763 3870 {
66fb9763 3871 struct itimerval value;
3b46e624 3872
66fb9763 3873 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 3874 if (!is_error(ret) && arg2) {
3875 host_to_target_timeval(arg2,
66fb9763 3876 &value.it_interval);
53a5960a 3877 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 3878 &value.it_value);
3879 }
3880 }
3881 break;
31e31b8a 3882 case TARGET_NR_stat:
53a5960a
PB		 3883 p = lock_user_string(arg1);
3884 ret = get_errno(stat(path(p), &st));
3885 unlock_user(p, arg1, 0);
31e31b8a
FB		 3886 goto do_stat;
3887 case TARGET_NR_lstat:
53a5960a
PB		 3888 p = lock_user_string(arg1);
3889 ret = get_errno(lstat(path(p), &st));
3890 unlock_user(p, arg1, 0);
31e31b8a
FB		 3891 goto do_stat;
3892 case TARGET_NR_fstat:
3893 {
3894 ret = get_errno(fstat(arg1, &st));
3895 do_stat:
3896 if (!is_error(ret)) {
53a5960a 3897 struct target_stat *target_st;
e3584658 3898
53a5960a 3899 lock_user_struct(target_st, arg2, 0);
992f48a0 3900#if defined(TARGET_MIPS) || (defined(TARGET_SPARC64) && !defined(TARGET_ABI32))
e3584658
TS		 3901 target_st->st_dev = tswap32(st.st_dev);
3902#else
31e31b8a 3903 target_st->st_dev = tswap16(st.st_dev);
e3584658 3904#endif
31e31b8a 3905 target_st->st_ino = tswapl(st.st_ino);
7d600c80 3906#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 3907 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3908 target_st->st_uid = tswap32(st.st_uid);
3909 target_st->st_gid = tswap32(st.st_gid);
992f48a0 3910#elif defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
1b8dd648
BS		 3911 target_st->st_mode = tswap32(st.st_mode);
3912 target_st->st_uid = tswap32(st.st_uid);
3913 target_st->st_gid = tswap32(st.st_gid);
67867308 3914#else
ec86b0fb 3915 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 3916 target_st->st_uid = tswap16(st.st_uid);
3917 target_st->st_gid = tswap16(st.st_gid);
67867308 3918#endif
e3584658
TS		 3919#if defined(TARGET_MIPS)
3920 /* If this is the same on PPC, then just merge w/ the above ifdef */
3921 target_st->st_nlink = tswapl(st.st_nlink);
3922 target_st->st_rdev = tswapl(st.st_rdev);
992f48a0 3923#elif defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
1b8dd648
BS		 3924 target_st->st_nlink = tswap32(st.st_nlink);
3925 target_st->st_rdev = tswap32(st.st_rdev);
e3584658 3926#else
67867308 3927 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a 3928 target_st->st_rdev = tswap16(st.st_rdev);
e3584658 3929#endif
31e31b8a
FB		 3930 target_st->st_size = tswapl(st.st_size);
3931 target_st->st_blksize = tswapl(st.st_blksize);
3932 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 3933 target_st->target_st_atime = tswapl(st.st_atime);
3934 target_st->target_st_mtime = tswapl(st.st_mtime);
3935 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 3936 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 3937 }
3938 }
3939 break;
ebc05488 3940#ifdef TARGET_NR_olduname
31e31b8a
FB		 3941 case TARGET_NR_olduname:
3942 goto unimplemented;
ebc05488
FB		 3943#endif
3944#ifdef TARGET_NR_iopl
31e31b8a
FB		 3945 case TARGET_NR_iopl:
3946 goto unimplemented;
ebc05488 3947#endif
31e31b8a
FB		 3948 case TARGET_NR_vhangup:
3949 ret = get_errno(vhangup());
3950 break;
ebc05488 3951#ifdef TARGET_NR_idle
31e31b8a
FB		 3952 case TARGET_NR_idle:
3953 goto unimplemented;
42ad6ae9
FB		 3954#endif
3955#ifdef TARGET_NR_syscall
3956 case TARGET_NR_syscall:
3957 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3958 break;
ebc05488 3959#endif
31e31b8a
FB		 3960 case TARGET_NR_wait4:
3961 {
3962 int status;
992f48a0 3963 abi_long status_ptr = arg2;
31e31b8a 3964 struct rusage rusage, *rusage_ptr;
992f48a0 3965 abi_ulong target_rusage = arg4;
31e31b8a
FB		 3966 if (target_rusage)
3967 rusage_ptr = &rusage;
3968 else
3969 rusage_ptr = NULL;
3970 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3971 if (!is_error(ret)) {
3972 if (status_ptr)
53a5960a 3973 tputl(status_ptr, status);
31e31b8a 3974 if (target_rusage) {
b409186b 3975 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3976 }
3977 }
3978 }
3979 break;
e5febef5 3980#ifdef TARGET_NR_swapoff
31e31b8a 3981 case TARGET_NR_swapoff:
53a5960a
PB		 3982 p = lock_user_string(arg1);
3983 ret = get_errno(swapoff(p));
3984 unlock_user(p, arg1, 0);
31e31b8a 3985 break;
e5febef5 3986#endif
31e31b8a 3987 case TARGET_NR_sysinfo:
a5448a7d 3988 {
53a5960a 3989 struct target_sysinfo *target_value;
a5448a7d
FB		 3990 struct sysinfo value;
3991 ret = get_errno(sysinfo(&value));
53a5960a 3992 if (!is_error(ret) && arg1)
a5448a7d 3993 {
53a5960a
PB		 3994 /* ??? __put_user is probably wrong. */
3995 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3996 __put_user(value.uptime, &target_value->uptime);
3997 __put_user(value.loads[0], &target_value->loads[0]);
3998 __put_user(value.loads[1], &target_value->loads[1]);
3999 __put_user(value.loads[2], &target_value->loads[2]);
4000 __put_user(value.totalram, &target_value->totalram);
4001 __put_user(value.freeram, &target_value->freeram);
4002 __put_user(value.sharedram, &target_value->sharedram);
4003 __put_user(value.bufferram, &target_value->bufferram);
4004 __put_user(value.totalswap, &target_value->totalswap);
4005 __put_user(value.freeswap, &target_value->freeswap);
4006 __put_user(value.procs, &target_value->procs);
4007 __put_user(value.totalhigh, &target_value->totalhigh);
4008 __put_user(value.freehigh, &target_value->freehigh);
4009 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 4010 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 4011 }
4012 }
4013 break;
e5febef5 4014#ifdef TARGET_NR_ipc
31e31b8a 4015 case TARGET_NR_ipc:
8853f86e
FB		 4016 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
4017 break;
e5febef5 4018#endif
31e31b8a
FB		 4019 case TARGET_NR_fsync:
4020 ret = get_errno(fsync(arg1));
4021 break;
31e31b8a 4022 case TARGET_NR_clone:
1b6b029e
FB		 4023 ret = get_errno(do_fork(cpu_env, arg1, arg2));
4024 break;
ec86b0fb
FB		 4025#ifdef __NR_exit_group
4026 /* new thread calls */
4027 case TARGET_NR_exit_group:
e9009676 4028 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 4029 ret = get_errno(exit_group(arg1));
4030 break;
4031#endif
31e31b8a 4032 case TARGET_NR_setdomainname:
53a5960a
PB		 4033 p = lock_user_string(arg1);
4034 ret = get_errno(setdomainname(p, arg2));
4035 unlock_user(p, arg1, 0);
31e31b8a
FB		 4036 break;
4037 case TARGET_NR_uname:
4038 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 4039 {
4040 struct new_utsname * buf;
3b46e624 4041
53a5960a 4042 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 4043 ret = get_errno(sys_uname(buf));
4044 if (!is_error(ret)) {
4045 /* Overrite the native machine name with whatever is being
4046 emulated. */
4047 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 4048 /* Allow the user to override the reported release. */
4049 if (qemu_uname_release && *qemu_uname_release)
4050 strcpy (buf->release, qemu_uname_release);
29e619b1 4051 }
53a5960a 4052 unlock_user_struct(buf, arg1, 1);
29e619b1 4053 }
31e31b8a 4054 break;
6dbad63e 4055#ifdef TARGET_I386
31e31b8a 4056 case TARGET_NR_modify_ldt:
53a5960a 4057 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b 4058 break;
84409ddb 4059#if !defined(TARGET_X86_64)
5cd4393b
FB		 4060 case TARGET_NR_vm86old:
4061 goto unimplemented;
4062 case TARGET_NR_vm86:
53a5960a 4063 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 4064 break;
84409ddb 4065#endif
6dbad63e 4066#endif
31e31b8a
FB		 4067 case TARGET_NR_adjtimex:
4068 goto unimplemented;
e5febef5 4069#ifdef TARGET_NR_create_module
31e31b8a 4070 case TARGET_NR_create_module:
e5febef5 4071#endif
31e31b8a
FB		 4072 case TARGET_NR_init_module:
4073 case TARGET_NR_delete_module:
e5febef5 4074#ifdef TARGET_NR_get_kernel_syms
31e31b8a 4075 case TARGET_NR_get_kernel_syms:
e5febef5 4076#endif
31e31b8a
FB		 4077 goto unimplemented;
4078 case TARGET_NR_quotactl:
4079 goto unimplemented;
4080 case TARGET_NR_getpgid:
4081 ret = get_errno(getpgid(arg1));
4082 break;
4083 case TARGET_NR_fchdir:
4084 ret = get_errno(fchdir(arg1));
4085 break;
84409ddb 4086#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 4087 case TARGET_NR_bdflush:
4088 goto unimplemented;
84409ddb 4089#endif
e5febef5 4090#ifdef TARGET_NR_sysfs
31e31b8a
FB		 4091 case TARGET_NR_sysfs:
4092 goto unimplemented;
e5febef5 4093#endif
31e31b8a 4094 case TARGET_NR_personality:
1b6b029e 4095 ret = get_errno(personality(arg1));
31e31b8a 4096 break;
e5febef5 4097#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 4098 case TARGET_NR_afs_syscall:
4099 goto unimplemented;
e5febef5 4100#endif
7a3148a9 4101#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 4102 case TARGET_NR__llseek:
4103 {
4f2ac237
FB		 4104#if defined (__x86_64__)
4105 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 4106 tput64(arg4, ret);
4f2ac237 4107#else
31e31b8a
FB		 4108 int64_t res;
4109 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 4110 tput64(arg4, res);
4f2ac237 4111#endif
31e31b8a
FB		 4112 }
4113 break;
7a3148a9 4114#endif
31e31b8a 4115 case TARGET_NR_getdents:
992f48a0 4116#if TARGET_ABI_BITS != 32
53a5960a 4117 goto unimplemented;
a315a145 4118#warning not supported
992f48a0 4119#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 4120 {
53a5960a 4121 struct target_dirent *target_dirp;
4add45b4 4122 struct dirent *dirp;
992f48a0 4123 abi_long count = arg3;
4add45b4
FB		 4124
4125 dirp = malloc(count);
0da46a6e
TS		 4126 if (!dirp) {
4127 ret = -TARGET_EFAULT;
4128 goto fail;
4129 }
3b46e624 4130
4add45b4
FB		 4131 ret = get_errno(sys_getdents(arg1, dirp, count));
4132 if (!is_error(ret)) {
4133 struct dirent *de;
4134 struct target_dirent *tde;
4135 int len = ret;
4136 int reclen, treclen;
4137 int count1, tnamelen;
4138
4139 count1 = 0;
4140 de = dirp;
53a5960a 4141 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 4142 tde = target_dirp;
4143 while (len > 0) {
4144 reclen = de->d_reclen;
992f48a0 4145 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 4146 tde->d_reclen = tswap16(treclen);
4147 tde->d_ino = tswapl(de->d_ino);
4148 tde->d_off = tswapl(de->d_off);
992f48a0 4149 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 4150 if (tnamelen > 256)
4151 tnamelen = 256;
80a9d035 4152 /* XXX: may not be correct */
4add45b4
FB		 4153 strncpy(tde->d_name, de->d_name, tnamelen);
4154 de = (struct dirent *)((char *)de + reclen);
4155 len -= reclen;
1c5bf3bf 4156 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 4157 count1 += treclen;
4158 }
4159 ret = count1;
4160 }
53a5960a 4161 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 4162 free(dirp);
4163 }
4164#else
31e31b8a 4165 {
53a5960a 4166 struct dirent *dirp;
992f48a0 4167 abi_long count = arg3;
dab2ed99 4168
53a5960a 4169 dirp = lock_user(arg2, count, 0);
72f03900 4170 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 4171 if (!is_error(ret)) {
4172 struct dirent *de;
4173 int len = ret;
4174 int reclen;
4175 de = dirp;
4176 while (len > 0) {
8083a3e5 4177 reclen = de->d_reclen;
31e31b8a
FB		 4178 if (reclen > len)
4179 break;
8083a3e5 4180 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 4181 tswapls(&de->d_ino);
4182 tswapls(&de->d_off);
4183 de = (struct dirent *)((char *)de + reclen);
4184 len -= reclen;
4185 }
4186 }
53a5960a 4187 unlock_user(dirp, arg2, ret);
31e31b8a 4188 }
4add45b4 4189#endif
31e31b8a 4190 break;
3ae43202 4191#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 4192 case TARGET_NR_getdents64:
4193 {
53a5960a 4194 struct dirent64 *dirp;
992f48a0 4195 abi_long count = arg3;
53a5960a 4196 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 4197 ret = get_errno(sys_getdents64(arg1, dirp, count));
4198 if (!is_error(ret)) {
4199 struct dirent64 *de;
4200 int len = ret;
4201 int reclen;
4202 de = dirp;
4203 while (len > 0) {
8083a3e5 4204 reclen = de->d_reclen;
dab2ed99
FB		 4205 if (reclen > len)
4206 break;
8083a3e5 4207 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 4208 tswap64s(&de->d_ino);
4209 tswap64s(&de->d_off);
4210 de = (struct dirent64 *)((char *)de + reclen);
4211 len -= reclen;
4212 }
4213 }
53a5960a 4214 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 4215 }
4216 break;
a541f297 4217#endif /* TARGET_NR_getdents64 */
e5febef5 4218#ifdef TARGET_NR__newselect
31e31b8a 4219 case TARGET_NR__newselect:
53a5960a 4220 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 4221 break;
e5febef5
TS		 4222#endif
4223#ifdef TARGET_NR_poll
9de5e440
FB		 4224 case TARGET_NR_poll:
4225 {
53a5960a 4226 struct target_pollfd *target_pfd;
9de5e440
FB		 4227 unsigned int nfds = arg2;
4228 int timeout = arg3;
4229 struct pollfd *pfd;
7854b056 4230 unsigned int i;
9de5e440 4231
53a5960a 4232 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 4233 pfd = alloca(sizeof(struct pollfd) * nfds);
4234 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 4235 pfd[i].fd = tswap32(target_pfd[i].fd);
4236 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 4237 }
4238 ret = get_errno(poll(pfd, nfds, timeout));
4239 if (!is_error(ret)) {
4240 for(i = 0; i < nfds; i++) {
5cd4393b 4241 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 4242 }
53a5960a
PB		 4243 ret += nfds * (sizeof(struct target_pollfd)
4244 - sizeof(struct pollfd));
9de5e440 4245 }
53a5960a 4246 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 4247 }
4248 break;
e5febef5 4249#endif
31e31b8a 4250 case TARGET_NR_flock:
9de5e440
FB		 4251 /* NOTE: the flock constant seems to be the same for every
4252 Linux platform */
4253 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 4254 break;
4255 case TARGET_NR_readv:
4256 {
4257 int count = arg3;
31e31b8a 4258 struct iovec *vec;
31e31b8a
FB		 4259
4260 vec = alloca(count * sizeof(struct iovec));
53a5960a 4261 lock_iovec(vec, arg2, count, 0);
31e31b8a 4262 ret = get_errno(readv(arg1, vec, count));
53a5960a 4263 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 4264 }
4265 break;
4266 case TARGET_NR_writev:
4267 {
4268 int count = arg3;
31e31b8a 4269 struct iovec *vec;
31e31b8a
FB		 4270
4271 vec = alloca(count * sizeof(struct iovec));
53a5960a 4272 lock_iovec(vec, arg2, count, 1);
31e31b8a 4273 ret = get_errno(writev(arg1, vec, count));
53a5960a 4274 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 4275 }
4276 break;
4277 case TARGET_NR_getsid:
4278 ret = get_errno(getsid(arg1));
4279 break;
7a3148a9 4280#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 4281 case TARGET_NR_fdatasync:
5cd4393b
FB		 4282 ret = get_errno(fdatasync(arg1));
4283 break;
7a3148a9 4284#endif
31e31b8a 4285 case TARGET_NR__sysctl:
0da46a6e 4286 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 4287 return value. */
0da46a6e
TS		 4288 ret = -TARGET_ENOTDIR;
4289 break;
31e31b8a 4290 case TARGET_NR_sched_setparam:
5cd4393b 4291 {
53a5960a 4292 struct sched_param *target_schp;
5cd4393b 4293 struct sched_param schp;
53a5960a
PB		 4294
4295 lock_user_struct(target_schp, arg2, 1);
5cd4393b 4296 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 4297 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 4298 ret = get_errno(sched_setparam(arg1, &schp));
4299 }
4300 break;
31e31b8a 4301 case TARGET_NR_sched_getparam:
5cd4393b 4302 {
53a5960a 4303 struct sched_param *target_schp;
5cd4393b
FB		 4304 struct sched_param schp;
4305 ret = get_errno(sched_getparam(arg1, &schp));
4306 if (!is_error(ret)) {
53a5960a 4307 lock_user_struct(target_schp, arg2, 0);
5cd4393b 4308 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 4309 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 4310 }
4311 }
4312 break;
31e31b8a 4313 case TARGET_NR_sched_setscheduler:
5cd4393b 4314 {
53a5960a 4315 struct sched_param *target_schp;
5cd4393b 4316 struct sched_param schp;
53a5960a 4317 lock_user_struct(target_schp, arg3, 1);
5cd4393b 4318 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 4319 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 4320 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
4321 }
4322 break;
31e31b8a 4323 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 4324 ret = get_errno(sched_getscheduler(arg1));
4325 break;
31e31b8a
FB		 4326 case TARGET_NR_sched_yield:
4327 ret = get_errno(sched_yield());
4328 break;
4329 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 4330 ret = get_errno(sched_get_priority_max(arg1));
4331 break;
31e31b8a 4332 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 4333 ret = get_errno(sched_get_priority_min(arg1));
4334 break;
31e31b8a 4335 case TARGET_NR_sched_rr_get_interval:
5cd4393b 4336 {
5cd4393b
FB		 4337 struct timespec ts;
4338 ret = get_errno(sched_rr_get_interval(arg1, &ts));
4339 if (!is_error(ret)) {
53a5960a 4340 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 4341 }
4342 }
4343 break;
31e31b8a 4344 case TARGET_NR_nanosleep:
1b6b029e 4345 {
1b6b029e 4346 struct timespec req, rem;
53a5960a 4347 target_to_host_timespec(&req, arg1);
1b6b029e 4348 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 4349 if (is_error(ret) && arg2) {
4350 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 4351 }
4352 }
4353 break;
e5febef5 4354#ifdef TARGET_NR_query_module
31e31b8a 4355 case TARGET_NR_query_module:
5cd4393b 4356 goto unimplemented;
e5febef5
TS		 4357#endif
4358#ifdef TARGET_NR_nfsservctl
31e31b8a 4359 case TARGET_NR_nfsservctl:
5cd4393b 4360 goto unimplemented;
e5febef5 4361#endif
31e31b8a 4362 case TARGET_NR_prctl:
e5574487
TS		 4363 switch (arg1)
4364 {
4365 case PR_GET_PDEATHSIG:
4366 {
4367 int deathsig;
4368 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
4369 if (!is_error(ret) && arg2)
4370 tput32(arg2, deathsig);
4371 }
4372 break;
4373 default:
4374 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
4375 break;
4376 }
39b9aae1 4377 break;
67867308 4378#ifdef TARGET_NR_pread
31e31b8a 4379 case TARGET_NR_pread:
53a5960a
PB		 4380 page_unprotect_range(arg2, arg3);
4381 p = lock_user(arg2, arg3, 0);
4382 ret = get_errno(pread(arg1, p, arg3, arg4));
4383 unlock_user(p, arg2, ret);
206f0fa7 4384 break;
31e31b8a 4385 case TARGET_NR_pwrite:
53a5960a
PB		 4386 p = lock_user(arg2, arg3, 1);
4387 ret = get_errno(pwrite(arg1, p, arg3, arg4));
4388 unlock_user(p, arg2, 0);
206f0fa7 4389 break;
67867308 4390#endif
31e31b8a 4391 case TARGET_NR_getcwd:
53a5960a
PB		 4392 p = lock_user(arg1, arg2, 0);
4393 ret = get_errno(sys_getcwd1(p, arg2));
4394 unlock_user(p, arg1, ret);
31e31b8a
FB		 4395 break;
4396 case TARGET_NR_capget:
5cd4393b 4397 goto unimplemented;
31e31b8a 4398 case TARGET_NR_capset:
5cd4393b 4399 goto unimplemented;
31e31b8a 4400 case TARGET_NR_sigaltstack:
198a74de
TS		 4401#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
4402 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
a04e134a
TS		 4403 ret = do_sigaltstack((struct target_sigaltstack *)arg1,
4404 (struct target_sigaltstack *)arg2,
4405 get_sp_from_cpustate((CPUState *)cpu_env));
4406 break;
4407#else
5cd4393b 4408 goto unimplemented;
a04e134a 4409#endif
31e31b8a 4410 case TARGET_NR_sendfile:
5cd4393b 4411 goto unimplemented;
ebc05488 4412#ifdef TARGET_NR_getpmsg
31e31b8a 4413 case TARGET_NR_getpmsg:
5cd4393b 4414 goto unimplemented;
ebc05488
FB		 4415#endif
4416#ifdef TARGET_NR_putpmsg
31e31b8a 4417 case TARGET_NR_putpmsg:
5cd4393b 4418 goto unimplemented;
ebc05488 4419#endif
048f6b4d 4420#ifdef TARGET_NR_vfork
31e31b8a 4421 case TARGET_NR_vfork:
1b6b029e 4422 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 4423 break;
048f6b4d 4424#endif
ebc05488 4425#ifdef TARGET_NR_ugetrlimit
31e31b8a 4426 case TARGET_NR_ugetrlimit:
728584be
FB		 4427 {
4428 struct rlimit rlim;
4429 ret = get_errno(getrlimit(arg1, &rlim));
4430 if (!is_error(ret)) {
53a5960a
PB		 4431 struct target_rlimit *target_rlim;
4432 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 4433 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4434 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 4435 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 4436 }
4437 break;
4438 }
ebc05488 4439#endif
a315a145 4440#ifdef TARGET_NR_truncate64
31e31b8a 4441 case TARGET_NR_truncate64:
53a5960a
PB		 4442 p = lock_user_string(arg1);
4443 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4444 unlock_user(p, arg1, 0);
667f38b1 4445 break;
a315a145
FB		 4446#endif
4447#ifdef TARGET_NR_ftruncate64
31e31b8a 4448 case TARGET_NR_ftruncate64:
ce4defa0 4449 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 4450 break;
a315a145
FB		 4451#endif
4452#ifdef TARGET_NR_stat64
31e31b8a 4453 case TARGET_NR_stat64:
53a5960a
PB		 4454 p = lock_user_string(arg1);
4455 ret = get_errno(stat(path(p), &st));
4456 unlock_user(p, arg1, 0);
60cd49d5 4457 goto do_stat64;
a315a145
FB		 4458#endif
4459#ifdef TARGET_NR_lstat64
31e31b8a 4460 case TARGET_NR_lstat64:
53a5960a
PB		 4461 p = lock_user_string(arg1);
4462 ret = get_errno(lstat(path(p), &st));
4463 unlock_user(p, arg1, 0);
60cd49d5 4464 goto do_stat64;
a315a145
FB		 4465#endif
4466#ifdef TARGET_NR_fstat64
31e31b8a 4467 case TARGET_NR_fstat64:
60cd49d5
FB		 4468 {
4469 ret = get_errno(fstat(arg1, &st));
4470 do_stat64:
4471 if (!is_error(ret)) {
ce4defa0
PB		 4472#ifdef TARGET_ARM
4473 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 4474 struct target_eabi_stat64 *target_st;
4475 lock_user_struct(target_st, arg2, 1);
ce4defa0 4476 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 4477 /* put_user is probably wrong. */
ce4defa0
PB		 4478 put_user(st.st_dev, &target_st->st_dev);
4479 put_user(st.st_ino, &target_st->st_ino);
4480#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4481 put_user(st.st_ino, &target_st->__st_ino);
4482#endif
4483 put_user(st.st_mode, &target_st->st_mode);
4484 put_user(st.st_nlink, &target_st->st_nlink);
4485 put_user(st.st_uid, &target_st->st_uid);
4486 put_user(st.st_gid, &target_st->st_gid);
4487 put_user(st.st_rdev, &target_st->st_rdev);
4488 /* XXX: better use of kernel struct */
4489 put_user(st.st_size, &target_st->st_size);
4490 put_user(st.st_blksize, &target_st->st_blksize);
4491 put_user(st.st_blocks, &target_st->st_blocks);
4492 put_user(st.st_atime, &target_st->target_st_atime);
4493 put_user(st.st_mtime, &target_st->target_st_mtime);
4494 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4495 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 4496 } else
4497#endif
4498 {
53a5960a
PB		 4499 struct target_stat64 *target_st;
4500 lock_user_struct(target_st, arg2, 1);
ce4defa0 4501 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 4502 /* ??? put_user is probably wrong. */
ce4defa0
PB		 4503 put_user(st.st_dev, &target_st->st_dev);
4504 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 4505#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 4506 put_user(st.st_ino, &target_st->__st_ino);
4507#endif
4508 put_user(st.st_mode, &target_st->st_mode);
4509 put_user(st.st_nlink, &target_st->st_nlink);
4510 put_user(st.st_uid, &target_st->st_uid);
4511 put_user(st.st_gid, &target_st->st_gid);
4512 put_user(st.st_rdev, &target_st->st_rdev);
4513 /* XXX: better use of kernel struct */
4514 put_user(st.st_size, &target_st->st_size);
4515 put_user(st.st_blksize, &target_st->st_blksize);
4516 put_user(st.st_blocks, &target_st->st_blocks);
4517 put_user(st.st_atime, &target_st->target_st_atime);
4518 put_user(st.st_mtime, &target_st->target_st_mtime);
4519 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4520 unlock_user_struct(target_st, arg2, 0);
ce4defa0 4521 }
60cd49d5
FB		 4522 }
4523 }
4524 break;
a315a145 4525#endif
67867308
FB		 4526#ifdef USE_UID16
4527 case TARGET_NR_lchown:
53a5960a
PB		 4528 p = lock_user_string(arg1);
4529 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
4530 unlock_user(p, arg1, 0);
67867308
FB		 4531 break;
4532 case TARGET_NR_getuid:
4533 ret = get_errno(high2lowuid(getuid()));
4534 break;
4535 case TARGET_NR_getgid:
4536 ret = get_errno(high2lowgid(getgid()));
4537 break;
4538 case TARGET_NR_geteuid:
4539 ret = get_errno(high2lowuid(geteuid()));
4540 break;
4541 case TARGET_NR_getegid:
4542 ret = get_errno(high2lowgid(getegid()));
4543 break;
4544 case TARGET_NR_setreuid:
4545 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
4546 break;
4547 case TARGET_NR_setregid:
4548 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
4549 break;
4550 case TARGET_NR_getgroups:
4551 {
4552 int gidsetsize = arg1;
53a5960a 4553 uint16_t *target_grouplist;
67867308
FB		 4554 gid_t *grouplist;
4555 int i;
4556
4557 grouplist = alloca(gidsetsize * sizeof(gid_t));
4558 ret = get_errno(getgroups(gidsetsize, grouplist));
4559 if (!is_error(ret)) {
53a5960a 4560 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 4561 for(i = 0;i < gidsetsize; i++)
4562 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 4563 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 4564 }
4565 }
4566 break;
4567 case TARGET_NR_setgroups:
4568 {
4569 int gidsetsize = arg1;
53a5960a 4570 uint16_t *target_grouplist;
67867308
FB		 4571 gid_t *grouplist;
4572 int i;
4573
4574 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4575 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 4576 for(i = 0;i < gidsetsize; i++)
4577 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 4578 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 4579 ret = get_errno(setgroups(gidsetsize, grouplist));
4580 }
4581 break;
4582 case TARGET_NR_fchown:
4583 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
4584 break;
ccfa72b7
TS		 4585#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
4586 case TARGET_NR_fchownat:
4587 if (!arg2) {
0da46a6e 4588 ret = -TARGET_EFAULT;
ccfa72b7
TS		 4589 goto fail;
4590 }
4591 p = lock_user_string(arg2);
4592 if (!access_ok(VERIFY_READ, p, 1))
0da46a6e
TS		 4593 /* Don't "goto fail" so that cleanup can happen. */
4594 ret = -TARGET_EFAULT;
ccfa72b7
TS		 4595 else
4596 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
4597 if (p)
4598 unlock_user(p, arg2, 0);
4599 break;
4600#endif
67867308
FB		 4601#ifdef TARGET_NR_setresuid
4602 case TARGET_NR_setresuid:
5fafdf24
TS		 4603 ret = get_errno(setresuid(low2highuid(arg1),
4604 low2highuid(arg2),
67867308
FB		 4605 low2highuid(arg3)));
4606 break;
4607#endif
4608#ifdef TARGET_NR_getresuid
4609 case TARGET_NR_getresuid:
4610 {
53a5960a 4611 uid_t ruid, euid, suid;
67867308
FB		 4612 ret = get_errno(getresuid(&ruid, &euid, &suid));
4613 if (!is_error(ret)) {
53a5960a
PB		 4614 tput16(arg1, tswap16(high2lowuid(ruid)));
4615 tput16(arg2, tswap16(high2lowuid(euid)));
4616 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 4617 }
4618 }
4619 break;
4620#endif
4621#ifdef TARGET_NR_getresgid
4622 case TARGET_NR_setresgid:
5fafdf24
TS		 4623 ret = get_errno(setresgid(low2highgid(arg1),
4624 low2highgid(arg2),
67867308
FB		 4625 low2highgid(arg3)));
4626 break;
4627#endif
4628#ifdef TARGET_NR_getresgid
4629 case TARGET_NR_getresgid:
4630 {
53a5960a 4631 gid_t rgid, egid, sgid;
67867308
FB		 4632 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4633 if (!is_error(ret)) {
53a5960a
PB		 4634 tput16(arg1, tswap16(high2lowgid(rgid)));
4635 tput16(arg2, tswap16(high2lowgid(egid)));
4636 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 4637 }
4638 }
4639 break;
4640#endif
4641 case TARGET_NR_chown:
53a5960a
PB		 4642 p = lock_user_string(arg1);
4643 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
4644 unlock_user(p, arg1, 0);
67867308
FB		 4645 break;
4646 case TARGET_NR_setuid:
4647 ret = get_errno(setuid(low2highuid(arg1)));
4648 break;
4649 case TARGET_NR_setgid:
4650 ret = get_errno(setgid(low2highgid(arg1)));
4651 break;
4652 case TARGET_NR_setfsuid:
4653 ret = get_errno(setfsuid(arg1));
4654 break;
4655 case TARGET_NR_setfsgid:
4656 ret = get_errno(setfsgid(arg1));
4657 break;
4658#endif /* USE_UID16 */
4659
a315a145 4660#ifdef TARGET_NR_lchown32
31e31b8a 4661 case TARGET_NR_lchown32:
53a5960a
PB		 4662 p = lock_user_string(arg1);
4663 ret = get_errno(lchown(p, arg2, arg3));
4664 unlock_user(p, arg1, 0);
b03c60f3 4665 break;
a315a145
FB		 4666#endif
4667#ifdef TARGET_NR_getuid32
31e31b8a 4668 case TARGET_NR_getuid32:
b03c60f3
FB		 4669 ret = get_errno(getuid());
4670 break;
a315a145
FB		 4671#endif
4672#ifdef TARGET_NR_getgid32
31e31b8a 4673 case TARGET_NR_getgid32:
b03c60f3
FB		 4674 ret = get_errno(getgid());
4675 break;
a315a145
FB		 4676#endif
4677#ifdef TARGET_NR_geteuid32
31e31b8a 4678 case TARGET_NR_geteuid32:
b03c60f3
FB		 4679 ret = get_errno(geteuid());
4680 break;
a315a145
FB		 4681#endif
4682#ifdef TARGET_NR_getegid32
31e31b8a 4683 case TARGET_NR_getegid32:
b03c60f3
FB		 4684 ret = get_errno(getegid());
4685 break;
a315a145
FB		 4686#endif
4687#ifdef TARGET_NR_setreuid32
31e31b8a 4688 case TARGET_NR_setreuid32:
b03c60f3
FB		 4689 ret = get_errno(setreuid(arg1, arg2));
4690 break;
a315a145
FB		 4691#endif
4692#ifdef TARGET_NR_setregid32
31e31b8a 4693 case TARGET_NR_setregid32:
b03c60f3
FB		 4694 ret = get_errno(setregid(arg1, arg2));
4695 break;
a315a145
FB		 4696#endif
4697#ifdef TARGET_NR_getgroups32
31e31b8a 4698 case TARGET_NR_getgroups32:
99c475ab
FB		 4699 {
4700 int gidsetsize = arg1;
53a5960a 4701 uint32_t *target_grouplist;
99c475ab
FB		 4702 gid_t *grouplist;
4703 int i;
4704
4705 grouplist = alloca(gidsetsize * sizeof(gid_t));
4706 ret = get_errno(getgroups(gidsetsize, grouplist));
4707 if (!is_error(ret)) {
53a5960a 4708 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 4709 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4710 target_grouplist[i] = tswap32(grouplist[i]);
4711 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 4712 }
4713 }
4714 break;
a315a145
FB		 4715#endif
4716#ifdef TARGET_NR_setgroups32
31e31b8a 4717 case TARGET_NR_setgroups32:
99c475ab
FB		 4718 {
4719 int gidsetsize = arg1;
53a5960a 4720 uint32_t *target_grouplist;
99c475ab
FB		 4721 gid_t *grouplist;
4722 int i;
3b46e624 4723
99c475ab 4724 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4725 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 4726 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4727 grouplist[i] = tswap32(target_grouplist[i]);
4728 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 4729 ret = get_errno(setgroups(gidsetsize, grouplist));
4730 }
4731 break;
a315a145
FB		 4732#endif
4733#ifdef TARGET_NR_fchown32
31e31b8a 4734 case TARGET_NR_fchown32:
b03c60f3
FB		 4735 ret = get_errno(fchown(arg1, arg2, arg3));
4736 break;
a315a145
FB		 4737#endif
4738#ifdef TARGET_NR_setresuid32
31e31b8a 4739 case TARGET_NR_setresuid32:
b03c60f3
FB		 4740 ret = get_errno(setresuid(arg1, arg2, arg3));
4741 break;
a315a145
FB		 4742#endif
4743#ifdef TARGET_NR_getresuid32
31e31b8a 4744 case TARGET_NR_getresuid32:
b03c60f3 4745 {
53a5960a 4746 uid_t ruid, euid, suid;
b03c60f3
FB		 4747 ret = get_errno(getresuid(&ruid, &euid, &suid));
4748 if (!is_error(ret)) {
53a5960a
PB		 4749 tput32(arg1, tswap32(ruid));
4750 tput32(arg2, tswap32(euid));
4751 tput32(arg3, tswap32(suid));
b03c60f3
FB		 4752 }
4753 }
4754 break;
a315a145
FB		 4755#endif
4756#ifdef TARGET_NR_setresgid32
31e31b8a 4757 case TARGET_NR_setresgid32:
b03c60f3
FB		 4758 ret = get_errno(setresgid(arg1, arg2, arg3));
4759 break;
a315a145
FB		 4760#endif
4761#ifdef TARGET_NR_getresgid32
31e31b8a 4762 case TARGET_NR_getresgid32:
b03c60f3 4763 {
53a5960a 4764 gid_t rgid, egid, sgid;
b03c60f3
FB		 4765 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4766 if (!is_error(ret)) {
53a5960a
PB		 4767 tput32(arg1, tswap32(rgid));
4768 tput32(arg2, tswap32(egid));
4769 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 4770 }
4771 }
4772 break;
a315a145
FB		 4773#endif
4774#ifdef TARGET_NR_chown32
31e31b8a 4775 case TARGET_NR_chown32:
53a5960a
PB		 4776 p = lock_user_string(arg1);
4777 ret = get_errno(chown(p, arg2, arg3));
4778 unlock_user(p, arg1, 0);
b03c60f3 4779 break;
a315a145
FB		 4780#endif
4781#ifdef TARGET_NR_setuid32
31e31b8a 4782 case TARGET_NR_setuid32:
b03c60f3
FB		 4783 ret = get_errno(setuid(arg1));
4784 break;
a315a145
FB		 4785#endif
4786#ifdef TARGET_NR_setgid32
31e31b8a 4787 case TARGET_NR_setgid32:
b03c60f3
FB		 4788 ret = get_errno(setgid(arg1));
4789 break;
a315a145
FB		 4790#endif
4791#ifdef TARGET_NR_setfsuid32
31e31b8a 4792 case TARGET_NR_setfsuid32:
b03c60f3
FB		 4793 ret = get_errno(setfsuid(arg1));
4794 break;
a315a145
FB		 4795#endif
4796#ifdef TARGET_NR_setfsgid32
31e31b8a 4797 case TARGET_NR_setfsgid32:
b03c60f3
FB		 4798 ret = get_errno(setfsgid(arg1));
4799 break;
a315a145 4800#endif
67867308 4801
31e31b8a 4802 case TARGET_NR_pivot_root:
b03c60f3 4803 goto unimplemented;
ffa65c3b 4804#ifdef TARGET_NR_mincore
31e31b8a 4805 case TARGET_NR_mincore:
b03c60f3 4806 goto unimplemented;
ffa65c3b
FB		 4807#endif
4808#ifdef TARGET_NR_madvise
31e31b8a 4809 case TARGET_NR_madvise:
24836689
PB		 4810 /* A straight passthrough may not be safe because qemu sometimes
4811 turns private flie-backed mappings into anonymous mappings.
4812 This will break MADV_DONTNEED.
4813 This is a hint, so ignoring and returning success is ok. */
4814 ret = get_errno(0);
4815 break;
ffa65c3b 4816#endif
992f48a0 4817#if TARGET_ABI_BITS == 32
31e31b8a 4818 case TARGET_NR_fcntl64:
77e4672d 4819 {
b1e341eb 4820 int cmd;
77e4672d 4821 struct flock64 fl;
53a5960a 4822 struct target_flock64 *target_fl;
ce4defa0 4823#ifdef TARGET_ARM
53a5960a 4824 struct target_eabi_flock64 *target_efl;
ce4defa0 4825#endif
77e4672d 4826
b1e341eb
TS		 4827 switch(arg2){
4828 case TARGET_F_GETLK64:
4829 cmd = F_GETLK64;
a7222580 4830 break;
b1e341eb
TS		 4831 case TARGET_F_SETLK64:
4832 cmd = F_SETLK64;
a7222580 4833 break;
b1e341eb
TS		 4834 case TARGET_F_SETLKW64:
4835 cmd = F_SETLK64;
a7222580 4836 break;
b1e341eb
TS		 4837 default:
4838 cmd = arg2;
a7222580 4839 break;
b1e341eb
TS		 4840 }
4841
60cd49d5 4842 switch(arg2) {
b1e341eb 4843 case TARGET_F_GETLK64:
5813427b
TS		 4844#ifdef TARGET_ARM
4845 if (((CPUARMState *)cpu_env)->eabi) {
4846 lock_user_struct(target_efl, arg3, 1);
4847 fl.l_type = tswap16(target_efl->l_type);
4848 fl.l_whence = tswap16(target_efl->l_whence);
4849 fl.l_start = tswap64(target_efl->l_start);
4850 fl.l_len = tswap64(target_efl->l_len);
4851 fl.l_pid = tswapl(target_efl->l_pid);
4852 unlock_user_struct(target_efl, arg3, 0);
4853 } else
4854#endif
4855 {
4856 lock_user_struct(target_fl, arg3, 1);
4857 fl.l_type = tswap16(target_fl->l_type);
4858 fl.l_whence = tswap16(target_fl->l_whence);
4859 fl.l_start = tswap64(target_fl->l_start);
4860 fl.l_len = tswap64(target_fl->l_len);
4861 fl.l_pid = tswapl(target_fl->l_pid);
4862 unlock_user_struct(target_fl, arg3, 0);
4863 }
b1e341eb 4864 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4865 if (ret == 0) {
ce4defa0
PB		 4866#ifdef TARGET_ARM
4867 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4868 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4869 target_efl->l_type = tswap16(fl.l_type);
4870 target_efl->l_whence = tswap16(fl.l_whence);
4871 target_efl->l_start = tswap64(fl.l_start);
4872 target_efl->l_len = tswap64(fl.l_len);
4873 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 4874 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4875 } else
4876#endif
4877 {
53a5960a 4878 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 4879 target_fl->l_type = tswap16(fl.l_type);
4880 target_fl->l_whence = tswap16(fl.l_whence);
4881 target_fl->l_start = tswap64(fl.l_start);
4882 target_fl->l_len = tswap64(fl.l_len);
4883 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 4884 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 4885 }
77e4672d
FB		 4886 }
4887 break;
4888
b1e341eb
TS		 4889 case TARGET_F_SETLK64:
4890 case TARGET_F_SETLKW64:
ce4defa0
PB		 4891#ifdef TARGET_ARM
4892 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4893 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4894 fl.l_type = tswap16(target_efl->l_type);
4895 fl.l_whence = tswap16(target_efl->l_whence);
4896 fl.l_start = tswap64(target_efl->l_start);
4897 fl.l_len = tswap64(target_efl->l_len);
4898 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 4899 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4900 } else
4901#endif
4902 {
53a5960a 4903 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 4904 fl.l_type = tswap16(target_fl->l_type);
4905 fl.l_whence = tswap16(target_fl->l_whence);
4906 fl.l_start = tswap64(target_fl->l_start);
4907 fl.l_len = tswap64(target_fl->l_len);
4908 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 4909 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 4910 }
b1e341eb 4911 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4912 break;
60cd49d5 4913 default:
b1e341eb 4914 ret = get_errno(do_fcntl(arg1, cmd, arg3));
60cd49d5
FB		 4915 break;
4916 }
77e4672d
FB		 4917 break;
4918 }
60cd49d5 4919#endif
7d600c80
TS		 4920#ifdef TARGET_NR_cacheflush
4921 case TARGET_NR_cacheflush:
4922 /* self-modifying code is handled automatically, so nothing needed */
4923 ret = 0;
4924 break;
4925#endif
ebc05488 4926#ifdef TARGET_NR_security
31e31b8a
FB		 4927 case TARGET_NR_security:
4928 goto unimplemented;
c573ff67
FB		 4929#endif
4930#ifdef TARGET_NR_getpagesize
4931 case TARGET_NR_getpagesize:
4932 ret = TARGET_PAGE_SIZE;
4933 break;
ebc05488 4934#endif
31e31b8a
FB		 4935 case TARGET_NR_gettid:
4936 ret = get_errno(gettid());
4937 break;
e5febef5 4938#ifdef TARGET_NR_readahead
31e31b8a 4939 case TARGET_NR_readahead:
5cd4393b 4940 goto unimplemented;
e5febef5 4941#endif
ebc05488 4942#ifdef TARGET_NR_setxattr
31e31b8a
FB		 4943 case TARGET_NR_setxattr:
4944 case TARGET_NR_lsetxattr:
4945 case TARGET_NR_fsetxattr:
4946 case TARGET_NR_getxattr:
4947 case TARGET_NR_lgetxattr:
4948 case TARGET_NR_fgetxattr:
4949 case TARGET_NR_listxattr:
4950 case TARGET_NR_llistxattr:
4951 case TARGET_NR_flistxattr:
4952 case TARGET_NR_removexattr:
4953 case TARGET_NR_lremovexattr:
4954 case TARGET_NR_fremovexattr:
5cd4393b 4955 goto unimplemented_nowarn;
ebc05488
FB		 4956#endif
4957#ifdef TARGET_NR_set_thread_area
5cd4393b 4958 case TARGET_NR_set_thread_area:
6f5b89a0
TS		 4959#ifdef TARGET_MIPS
4960 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4961 ret = 0;
4962 break;
4963#else
4964 goto unimplemented_nowarn;
4965#endif
4966#endif
4967#ifdef TARGET_NR_get_thread_area
5cd4393b
FB		 4968 case TARGET_NR_get_thread_area:
4969 goto unimplemented_nowarn;
48dc41eb
FB		 4970#endif
4971#ifdef TARGET_NR_getdomainname
4972 case TARGET_NR_getdomainname:
4973 goto unimplemented_nowarn;
ebc05488 4974#endif
6f5b89a0 4975
b5906f95
TS		 4976#ifdef TARGET_NR_clock_gettime
4977 case TARGET_NR_clock_gettime:
4978 {
4979 struct timespec ts;
4980 ret = get_errno(clock_gettime(arg1, &ts));
4981 if (!is_error(ret)) {
4982 host_to_target_timespec(arg2, &ts);
4983 }
4984 break;
4985 }
4986#endif
4987#ifdef TARGET_NR_clock_getres
4988 case TARGET_NR_clock_getres:
4989 {
4990 struct timespec ts;
4991 ret = get_errno(clock_getres(arg1, &ts));
4992 if (!is_error(ret)) {
4993 host_to_target_timespec(arg2, &ts);
4994 }
4995 break;
4996 }
4997#endif
4998
6f5b89a0
TS		 4999#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
5000 case TARGET_NR_set_tid_address:
5001 ret = get_errno(set_tid_address((int *) arg1));
5002 break;
5003#endif
5004
3ae43202 5005#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16
TS		 5006 case TARGET_NR_tkill:
5007 ret = get_errno(sys_tkill((int)arg1, (int)arg2));
5008 break;
5009#endif
5010
3ae43202 5011#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574
TS		 5012 case TARGET_NR_tgkill:
5013 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
5014 break;
5015#endif
5016
4f2b1fe8
TS		 5017#ifdef TARGET_NR_set_robust_list
5018 case TARGET_NR_set_robust_list:
5019 goto unimplemented_nowarn;
5020#endif
5021
9007f0ef
TS		 5022#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
5023 case TARGET_NR_utimensat:
5024 {
5025 struct timespec ts[2];
5026 target_to_host_timespec(ts, arg3);
5027 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
5028 if (!arg2)
5029 ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
5030 else {
5031 p = lock_user_string(arg2);
5032 if (!access_ok(VERIFY_READ, p, 1))
0da46a6e
TS		 5033 /* Don't "goto fail" so that cleanup can happen. */
5034 ret = -TARGET_EFAULT;
9007f0ef
TS		 5035 else
5036 ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4));
5037 if (p)
5038 unlock_user(p, arg2, 0);
5039 }
5040 }
5041 break;
5042#endif
5043
31e31b8a
FB		 5044 default:
5045 unimplemented:
5cd4393b 5046 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 5047#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 5048 unimplemented_nowarn:
80a9d035 5049#endif
0da46a6e 5050 ret = -TARGET_ENOSYS;
31e31b8a
FB		 5051 break;
5052 }
5053 fail:
c573ff67
FB		 5054#ifdef DEBUG
5055 gemu_log(" = %ld\n", ret);
5056#endif
b92c47c1
TS		 5057 if(do_strace)
5058 print_syscall_ret(num, ret);
31e31b8a
FB		 5059 return ret;
5060}
Qemu copy for testing