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linux-user unlinkat() syscall, by Thayne Harbaugh.
[qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
31e31b8a 30#include <sys/types.h>
d08d3bb8
TS		 31#include <sys/ipc.h>
32#include <sys/msg.h>
31e31b8a
FB		 33#include <sys/wait.h>
34#include <sys/time.h>
35#include <sys/stat.h>
36#include <sys/mount.h>
39b9aae1 37#include <sys/prctl.h>
31e31b8a
FB		 38#include <sys/resource.h>
39#include <sys/mman.h>
40#include <sys/swap.h>
41#include <signal.h>
42#include <sched.h>
43#include <sys/socket.h>
44#include <sys/uio.h>
9de5e440 45#include <sys/poll.h>
32f36bce 46#include <sys/times.h>
8853f86e 47#include <sys/shm.h>
fa294816 48#include <sys/sem.h>
56c8f68f 49#include <sys/statfs.h>
ebc05488 50#include <utime.h>
a5448a7d 51#include <sys/sysinfo.h>
72f03900 52//#include <sys/user.h>
8853f86e 53#include <netinet/ip.h>
7854b056 54#include <netinet/tcp.h>
31e31b8a
FB		 55
56#define termios host_termios
57#define winsize host_winsize
58#define termio host_termio
04369ff2
FB		 59#define sgttyb host_sgttyb /* same as target */
60#define tchars host_tchars /* same as target */
61#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 62
63#include <linux/termios.h>
64#include <linux/unistd.h>
65#include <linux/utsname.h>
66#include <linux/cdrom.h>
67#include <linux/hdreg.h>
68#include <linux/soundcard.h>
dab2ed99 69#include <linux/dirent.h>
19b84f3c 70#include <linux/kd.h>
31e31b8a 71
3ef693a0 72#include "qemu.h"
31e31b8a 73
72f03900 74//#define DEBUG
31e31b8a 75
e6e5906b 76#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
56e0794a 77 || defined(TARGET_M68K) || defined(TARGET_SH4)
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
ccfa72b7 142#define __NR_sys_fchownat __NR_fchownat
72f03900 143#define __NR_sys_getcwd1 __NR_getcwd
72f03900 144#define __NR_sys_getdents __NR_getdents
dab2ed99 145#define __NR_sys_getdents64 __NR_getdents64
4472ad0d 146#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 147#define __NR_sys_mknodat __NR_mknodat
82424832 148#define __NR_sys_openat __NR_openat
66fb9763 149#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
7494b0f9 150#define __NR_sys_syslog __NR_syslog
71455574 151#define __NR_sys_tgkill __NR_tgkill
4cae1d16 152#define __NR_sys_tkill __NR_tkill
8170f56b 153#define __NR_sys_unlinkat __NR_unlinkat
31e31b8a 154
bc51c5c9 155#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 156#define __NR__llseek __NR_lseek
157#endif
158
72f03900 159#ifdef __NR_gettid
31e31b8a 160_syscall0(int, gettid)
72f03900
FB		 161#else
162static int gettid(void) {
163 return -ENOSYS;
164}
165#endif
31e31b8a 166_syscall1(int,sys_uname,struct new_utsname *,buf)
ccfa72b7
TS		 167#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
168_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
169 uid_t,owner,gid_t,group,int,flags)
170#endif
72f03900
FB		 171_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
172_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
3ae43202 173#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99 174_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
3ae43202 175#endif
31e31b8a
FB		 176_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
177 loff_t *, res, uint, wh);
4472ad0d
TS		 178#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
179_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
180#endif
75ac37a0
TS		 181#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
182_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
183 mode_t,mode,dev_t,dev)
184#endif
82424832
TS		 185#if defined(TARGET_NR_openat) && defined(__NR_openat)
186_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
187#endif
66fb9763 188_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
7494b0f9 189_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
3ae43202 190#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 191_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
4cae1d16 192#endif
3ae43202 193#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16
TS		 194_syscall2(int,sys_tkill,int,tid,int,sig)
195#endif
ec86b0fb
FB		 196#ifdef __NR_exit_group
197_syscall1(int,exit_group,int,error_code)
198#endif
6f5b89a0
TS		 199#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
200_syscall1(int,set_tid_address,int *,tidptr)
201#endif
8170f56b
TS		 202#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
203_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
204#endif
66fb9763
FB		 205
206extern int personality(int);
9de5e440
FB		 207extern int flock(int, int);
208extern int setfsuid(int);
209extern int setfsgid(int);
5cd4393b
FB		 210extern int setresuid(uid_t, uid_t, uid_t);
211extern int getresuid(uid_t *, uid_t *, uid_t *);
212extern int setresgid(gid_t, gid_t, gid_t);
213extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 214extern int setgroups(int, gid_t *);
31e31b8a 215
637947f1 216/*
fe8f096b 217 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 218 * minus the errnos that are not actually generic to all archs.
219 */
220static uint16_t host_to_target_errno_table[1200] = {
221 [EIDRM] = TARGET_EIDRM,
222 [ECHRNG] = TARGET_ECHRNG,
223 [EL2NSYNC] = TARGET_EL2NSYNC,
224 [EL3HLT] = TARGET_EL3HLT,
225 [EL3RST] = TARGET_EL3RST,
226 [ELNRNG] = TARGET_ELNRNG,
227 [EUNATCH] = TARGET_EUNATCH,
228 [ENOCSI] = TARGET_ENOCSI,
229 [EL2HLT] = TARGET_EL2HLT,
230 [EDEADLK] = TARGET_EDEADLK,
231 [ENOLCK] = TARGET_ENOLCK,
232 [EBADE] = TARGET_EBADE,
233 [EBADR] = TARGET_EBADR,
234 [EXFULL] = TARGET_EXFULL,
235 [ENOANO] = TARGET_ENOANO,
236 [EBADRQC] = TARGET_EBADRQC,
237 [EBADSLT] = TARGET_EBADSLT,
238 [EBFONT] = TARGET_EBFONT,
239 [ENOSTR] = TARGET_ENOSTR,
240 [ENODATA] = TARGET_ENODATA,
241 [ETIME] = TARGET_ETIME,
242 [ENOSR] = TARGET_ENOSR,
243 [ENONET] = TARGET_ENONET,
244 [ENOPKG] = TARGET_ENOPKG,
245 [EREMOTE] = TARGET_EREMOTE,
246 [ENOLINK] = TARGET_ENOLINK,
247 [EADV] = TARGET_EADV,
248 [ESRMNT] = TARGET_ESRMNT,
249 [ECOMM] = TARGET_ECOMM,
250 [EPROTO] = TARGET_EPROTO,
251 [EDOTDOT] = TARGET_EDOTDOT,
252 [EMULTIHOP] = TARGET_EMULTIHOP,
253 [EBADMSG] = TARGET_EBADMSG,
254 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
255 [EOVERFLOW] = TARGET_EOVERFLOW,
256 [ENOTUNIQ] = TARGET_ENOTUNIQ,
257 [EBADFD] = TARGET_EBADFD,
258 [EREMCHG] = TARGET_EREMCHG,
259 [ELIBACC] = TARGET_ELIBACC,
260 [ELIBBAD] = TARGET_ELIBBAD,
261 [ELIBSCN] = TARGET_ELIBSCN,
262 [ELIBMAX] = TARGET_ELIBMAX,
263 [ELIBEXEC] = TARGET_ELIBEXEC,
264 [EILSEQ] = TARGET_EILSEQ,
265 [ENOSYS] = TARGET_ENOSYS,
266 [ELOOP] = TARGET_ELOOP,
267 [ERESTART] = TARGET_ERESTART,
268 [ESTRPIPE] = TARGET_ESTRPIPE,
269 [ENOTEMPTY] = TARGET_ENOTEMPTY,
270 [EUSERS] = TARGET_EUSERS,
271 [ENOTSOCK] = TARGET_ENOTSOCK,
272 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
273 [EMSGSIZE] = TARGET_EMSGSIZE,
274 [EPROTOTYPE] = TARGET_EPROTOTYPE,
275 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
276 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
277 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
278 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
279 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
280 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
281 [EADDRINUSE] = TARGET_EADDRINUSE,
282 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
283 [ENETDOWN] = TARGET_ENETDOWN,
284 [ENETUNREACH] = TARGET_ENETUNREACH,
285 [ENETRESET] = TARGET_ENETRESET,
286 [ECONNABORTED] = TARGET_ECONNABORTED,
287 [ECONNRESET] = TARGET_ECONNRESET,
288 [ENOBUFS] = TARGET_ENOBUFS,
289 [EISCONN] = TARGET_EISCONN,
290 [ENOTCONN] = TARGET_ENOTCONN,
291 [EUCLEAN] = TARGET_EUCLEAN,
292 [ENOTNAM] = TARGET_ENOTNAM,
293 [ENAVAIL] = TARGET_ENAVAIL,
294 [EISNAM] = TARGET_EISNAM,
295 [EREMOTEIO] = TARGET_EREMOTEIO,
296 [ESHUTDOWN] = TARGET_ESHUTDOWN,
297 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
298 [ETIMEDOUT] = TARGET_ETIMEDOUT,
299 [ECONNREFUSED] = TARGET_ECONNREFUSED,
300 [EHOSTDOWN] = TARGET_EHOSTDOWN,
301 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
302 [EALREADY] = TARGET_EALREADY,
303 [EINPROGRESS] = TARGET_EINPROGRESS,
304 [ESTALE] = TARGET_ESTALE,
305 [ECANCELED] = TARGET_ECANCELED,
306 [ENOMEDIUM] = TARGET_ENOMEDIUM,
307 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 308#ifdef ENOKEY
637947f1 309 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 310#endif
311#ifdef EKEYEXPIRED
637947f1 312 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 313#endif
314#ifdef EKEYREVOKED
637947f1 315 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 316#endif
317#ifdef EKEYREJECTED
637947f1 318 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 319#endif
320#ifdef EOWNERDEAD
637947f1 321 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 322#endif
323#ifdef ENOTRECOVERABLE
637947f1 324 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 325#endif
637947f1
TS		 326 };
327
328static inline int host_to_target_errno(int err)
329{
330 if(host_to_target_errno_table[err])
331 return host_to_target_errno_table[err];
332 return err;
333}
334
31e31b8a
FB		 335static inline long get_errno(long ret)
336{
337 if (ret == -1)
637947f1 338 return -host_to_target_errno(errno);
31e31b8a
FB		 339 else
340 return ret;
341}
342
343static inline int is_error(long ret)
344{
345 return (unsigned long)ret >= (unsigned long)(-4096);
346}
347
53a5960a
PB		 348static target_ulong target_brk;
349static target_ulong target_original_brk;
31e31b8a 350
53a5960a 351void target_set_brk(target_ulong new_brk)
31e31b8a 352{
4c1de73d 353 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
31e31b8a
FB		 354}
355
53a5960a 356long do_brk(target_ulong new_brk)
31e31b8a 357{
53a5960a 358 target_ulong brk_page;
31e31b8a
FB		 359 long mapped_addr;
360 int new_alloc_size;
361
362 if (!new_brk)
53a5960a 363 return target_brk;
31e31b8a
FB		 364 if (new_brk < target_original_brk)
365 return -ENOMEM;
3b46e624 366
53a5960a 367 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 368
369 /* If the new brk is less than this, set it and we're done... */
370 if (new_brk < brk_page) {
371 target_brk = new_brk;
53a5960a 372 return target_brk;
31e31b8a
FB		 373 }
374
375 /* We need to allocate more memory after the brk... */
54936004 376 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
5fafdf24 377 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 378 PROT_READ|PROT_WRITE,
379 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
31e31b8a
FB		 380 if (is_error(mapped_addr)) {
381 return mapped_addr;
382 } else {
383 target_brk = new_brk;
53a5960a 384 return target_brk;
31e31b8a
FB		 385 }
386}
387
5fafdf24 388static inline fd_set *target_to_host_fds(fd_set *fds,
31e31b8a
FB		 389 target_long *target_fds, int n)
390{
7854b056 391#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 392 return (fd_set *)target_fds;
393#else
394 int i, b;
395 if (target_fds) {
396 FD_ZERO(fds);
397 for(i = 0;i < n; i++) {
398 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
399 (i & (TARGET_LONG_BITS - 1))) & 1;
400 if (b)
401 FD_SET(i, fds);
402 }
403 return fds;
404 } else {
405 return NULL;
406 }
407#endif
408}
409
5fafdf24 410static inline void host_to_target_fds(target_long *target_fds,
31e31b8a
FB		 411 fd_set *fds, int n)
412{
7854b056 413#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 414 /* nothing to do */
415#else
416 int i, nw, j, k;
417 target_long v;
418
419 if (target_fds) {
8853f86e 420 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
31e31b8a
FB		 421 k = 0;
422 for(i = 0;i < nw; i++) {
423 v = 0;
424 for(j = 0; j < TARGET_LONG_BITS; j++) {
425 v |= ((FD_ISSET(k, fds) != 0) << j);
426 k++;
427 }
428 target_fds[i] = tswapl(v);
429 }
430 }
431#endif
432}
433
c596ed17
FB		 434#if defined(__alpha__)
435#define HOST_HZ 1024
436#else
437#define HOST_HZ 100
438#endif
439
440static inline long host_to_target_clock_t(long ticks)
441{
442#if HOST_HZ == TARGET_HZ
443 return ticks;
444#else
445 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
446#endif
447}
448
53a5960a 449static inline void host_to_target_rusage(target_ulong target_addr,
b409186b
FB		 450 const struct rusage *rusage)
451{
53a5960a
PB		 452 struct target_rusage *target_rusage;
453
454 lock_user_struct(target_rusage, target_addr, 0);
b409186b
FB		 455 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
456 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
457 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
458 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
459 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
460 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
461 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
462 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
463 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
464 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
465 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
466 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
467 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
468 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
469 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
470 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
471 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
472 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 473 unlock_user_struct(target_rusage, target_addr, 1);
b409186b
FB		 474}
475
53a5960a
PB		 476static inline void target_to_host_timeval(struct timeval *tv,
477 target_ulong target_addr)
31e31b8a 478{
53a5960a
PB		 479 struct target_timeval *target_tv;
480
481 lock_user_struct(target_tv, target_addr, 1);
66fb9763
FB		 482 tv->tv_sec = tswapl(target_tv->tv_sec);
483 tv->tv_usec = tswapl(target_tv->tv_usec);
53a5960a 484 unlock_user_struct(target_tv, target_addr, 0);
31e31b8a
FB		 485}
486
53a5960a 487static inline void host_to_target_timeval(target_ulong target_addr,
5cd4393b 488 const struct timeval *tv)
31e31b8a 489{
53a5960a
PB		 490 struct target_timeval *target_tv;
491
492 lock_user_struct(target_tv, target_addr, 0);
66fb9763
FB		 493 target_tv->tv_sec = tswapl(tv->tv_sec);
494 target_tv->tv_usec = tswapl(tv->tv_usec);
53a5960a 495 unlock_user_struct(target_tv, target_addr, 1);
31e31b8a
FB		 496}
497
498
5fafdf24
TS		 499static long do_select(long n,
500 target_ulong rfd_p, target_ulong wfd_p,
53a5960a 501 target_ulong efd_p, target_ulong target_tv)
31e31b8a
FB		 502{
503 fd_set rfds, wfds, efds;
504 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
53a5960a 505 target_long *target_rfds, *target_wfds, *target_efds;
31e31b8a
FB		 506 struct timeval tv, *tv_ptr;
507 long ret;
53a5960a 508 int ok;
31e31b8a 509
53a5960a
PB		 510 if (rfd_p) {
511 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
512 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
513 } else {
514 target_rfds = NULL;
515 rfds_ptr = NULL;
516 }
517 if (wfd_p) {
518 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
519 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
520 } else {
521 target_wfds = NULL;
522 wfds_ptr = NULL;
523 }
524 if (efd_p) {
525 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
526 efds_ptr = target_to_host_fds(&efds, target_efds, n);
527 } else {
528 target_efds = NULL;
529 efds_ptr = NULL;
530 }
3b46e624 531
31e31b8a 532 if (target_tv) {
5cd4393b 533 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 534 tv_ptr = &tv;
535 } else {
536 tv_ptr = NULL;
537 }
538 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a
PB		 539 ok = !is_error(ret);
540
541 if (ok) {
31e31b8a
FB		 542 host_to_target_fds(target_rfds, rfds_ptr, n);
543 host_to_target_fds(target_wfds, wfds_ptr, n);
544 host_to_target_fds(target_efds, efds_ptr, n);
545
546 if (target_tv) {
5cd4393b 547 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 548 }
549 }
53a5960a
PB		 550 if (target_rfds)
551 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
552 if (target_wfds)
553 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
554 if (target_efds)
555 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
556
31e31b8a
FB		 557 return ret;
558}
559
7854b056 560static inline void target_to_host_sockaddr(struct sockaddr *addr,
53a5960a 561 target_ulong target_addr,
7854b056
FB		 562 socklen_t len)
563{
53a5960a
PB		 564 struct target_sockaddr *target_saddr;
565
566 target_saddr = lock_user(target_addr, len, 1);
567 memcpy(addr, target_saddr, len);
568 addr->sa_family = tswap16(target_saddr->sa_family);
569 unlock_user(target_saddr, target_addr, 0);
7854b056
FB		 570}
571
53a5960a 572static inline void host_to_target_sockaddr(target_ulong target_addr,
7854b056
FB		 573 struct sockaddr *addr,
574 socklen_t len)
575{
53a5960a
PB		 576 struct target_sockaddr *target_saddr;
577
578 target_saddr = lock_user(target_addr, len, 0);
579 memcpy(target_saddr, addr, len);
580 target_saddr->sa_family = tswap16(addr->sa_family);
581 unlock_user(target_saddr, target_addr, len);
7854b056
FB		 582}
583
53a5960a 584/* ??? Should this also swap msgh->name? */
7854b056
FB		 585static inline void target_to_host_cmsg(struct msghdr *msgh,
586 struct target_msghdr *target_msgh)
587{
588 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
589 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
590 socklen_t space = 0;
591
592 while (cmsg && target_cmsg) {
593 void *data = CMSG_DATA(cmsg);
594 void *target_data = TARGET_CMSG_DATA(target_cmsg);
595
5fafdf24 596 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 597 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
598
599 space += CMSG_SPACE(len);
600 if (space > msgh->msg_controllen) {
601 space -= CMSG_SPACE(len);
31febb71 602 gemu_log("Host cmsg overflow\n");
7854b056
FB		 603 break;
604 }
605
606 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
607 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
608 cmsg->cmsg_len = CMSG_LEN(len);
609
3532fa74 610 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 611 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
612 memcpy(data, target_data, len);
613 } else {
614 int *fd = (int *)data;
615 int *target_fd = (int *)target_data;
616 int i, numfds = len / sizeof(int);
617
618 for (i = 0; i < numfds; i++)
619 fd[i] = tswap32(target_fd[i]);
620 }
621
622 cmsg = CMSG_NXTHDR(msgh, cmsg);
623 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
624 }
625
626 msgh->msg_controllen = space;
627}
628
53a5960a 629/* ??? Should this also swap msgh->name? */
7854b056
FB		 630static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
631 struct msghdr *msgh)
632{
633 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
634 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
635 socklen_t space = 0;
636
637 while (cmsg && target_cmsg) {
638 void *data = CMSG_DATA(cmsg);
639 void *target_data = TARGET_CMSG_DATA(target_cmsg);
640
641 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
642
643 space += TARGET_CMSG_SPACE(len);
644 if (space > tswapl(target_msgh->msg_controllen)) {
645 space -= TARGET_CMSG_SPACE(len);
31febb71 646 gemu_log("Target cmsg overflow\n");
7854b056
FB		 647 break;
648 }
649
650 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
651 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
652 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
653
3532fa74 654 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 655 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
656 memcpy(target_data, data, len);
657 } else {
658 int *fd = (int *)data;
659 int *target_fd = (int *)target_data;
660 int i, numfds = len / sizeof(int);
661
662 for (i = 0; i < numfds; i++)
663 target_fd[i] = tswap32(fd[i]);
664 }
665
666 cmsg = CMSG_NXTHDR(msgh, cmsg);
667 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
668 }
669
670 msgh->msg_controllen = tswapl(space);
671}
672
5fafdf24 673static long do_setsockopt(int sockfd, int level, int optname,
53a5960a 674 target_ulong optval, socklen_t optlen)
7854b056 675{
8853f86e 676 int val, ret;
3b46e624 677
8853f86e
FB		 678 switch(level) {
679 case SOL_TCP:
7854b056 680 /* TCP options all take an 'int' value. */
7854b056
FB		 681 if (optlen < sizeof(uint32_t))
682 return -EINVAL;
3b46e624 683
53a5960a 684 val = tget32(optval);
8853f86e
FB		 685 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
686 break;
687 case SOL_IP:
688 switch(optname) {
2efbe911
FB		 689 case IP_TOS:
690 case IP_TTL:
8853f86e 691 case IP_HDRINCL:
2efbe911
FB		 692 case IP_ROUTER_ALERT:
693 case IP_RECVOPTS:
694 case IP_RETOPTS:
695 case IP_PKTINFO:
696 case IP_MTU_DISCOVER:
697 case IP_RECVERR:
698 case IP_RECVTOS:
699#ifdef IP_FREEBIND
700 case IP_FREEBIND:
701#endif
702 case IP_MULTICAST_TTL:
703 case IP_MULTICAST_LOOP:
8853f86e
FB		 704 val = 0;
705 if (optlen >= sizeof(uint32_t)) {
53a5960a 706 val = tget32(optval);
8853f86e 707 } else if (optlen >= 1) {
53a5960a 708 val = tget8(optval);
8853f86e
FB		 709 }
710 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
711 break;
712 default:
713 goto unimplemented;
714 }
715 break;
3532fa74 716 case TARGET_SOL_SOCKET:
8853f86e
FB		 717 switch (optname) {
718 /* Options with 'int' argument. */
3532fa74
FB		 719 case TARGET_SO_DEBUG:
720 optname = SO_DEBUG;
721 break;
722 case TARGET_SO_REUSEADDR:
723 optname = SO_REUSEADDR;
724 break;
725 case TARGET_SO_TYPE:
726 optname = SO_TYPE;
727 break;
728 case TARGET_SO_ERROR:
729 optname = SO_ERROR;
730 break;
731 case TARGET_SO_DONTROUTE:
732 optname = SO_DONTROUTE;
733 break;
734 case TARGET_SO_BROADCAST:
735 optname = SO_BROADCAST;
736 break;
737 case TARGET_SO_SNDBUF:
738 optname = SO_SNDBUF;
739 break;
740 case TARGET_SO_RCVBUF:
741 optname = SO_RCVBUF;
742 break;
743 case TARGET_SO_KEEPALIVE:
744 optname = SO_KEEPALIVE;
745 break;
746 case TARGET_SO_OOBINLINE:
747 optname = SO_OOBINLINE;
748 break;
749 case TARGET_SO_NO_CHECK:
750 optname = SO_NO_CHECK;
751 break;
752 case TARGET_SO_PRIORITY:
753 optname = SO_PRIORITY;
754 break;
5e83e8e3 755#ifdef SO_BSDCOMPAT
3532fa74
FB		 756 case TARGET_SO_BSDCOMPAT:
757 optname = SO_BSDCOMPAT;
758 break;
5e83e8e3 759#endif
3532fa74
FB		 760 case TARGET_SO_PASSCRED:
761 optname = SO_PASSCRED;
762 break;
763 case TARGET_SO_TIMESTAMP:
764 optname = SO_TIMESTAMP;
765 break;
766 case TARGET_SO_RCVLOWAT:
767 optname = SO_RCVLOWAT;
768 break;
769 case TARGET_SO_RCVTIMEO:
770 optname = SO_RCVTIMEO;
771 break;
772 case TARGET_SO_SNDTIMEO:
773 optname = SO_SNDTIMEO;
774 break;
8853f86e
FB		 775 break;
776 default:
777 goto unimplemented;
778 }
3532fa74
FB		 779 if (optlen < sizeof(uint32_t))
780 return -EINVAL;
781
782 val = tget32(optval);
783 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 784 break;
7854b056 785 default:
8853f86e
FB		 786 unimplemented:
787 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
788 ret = -ENOSYS;
7854b056 789 }
8853f86e 790 return ret;
7854b056
FB		 791}
792
5fafdf24 793static long do_getsockopt(int sockfd, int level, int optname,
53a5960a 794 target_ulong optval, target_ulong optlen)
7854b056 795{
8853f86e
FB		 796 int len, lv, val, ret;
797
798 switch(level) {
3532fa74
FB		 799 case TARGET_SOL_SOCKET:
800 level = SOL_SOCKET;
8853f86e 801 switch (optname) {
3532fa74
FB		 802 case TARGET_SO_LINGER:
803 case TARGET_SO_RCVTIMEO:
804 case TARGET_SO_SNDTIMEO:
805 case TARGET_SO_PEERCRED:
806 case TARGET_SO_PEERNAME:
8853f86e
FB		 807 /* These don't just return a single integer */
808 goto unimplemented;
809 default:
2efbe911
FB		 810 goto int_case;
811 }
812 break;
813 case SOL_TCP:
814 /* TCP options all take an 'int' value. */
815 int_case:
53a5960a 816 len = tget32(optlen);
2efbe911
FB		 817 if (len < 0)
818 return -EINVAL;
819 lv = sizeof(int);
820 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
821 if (ret < 0)
822 return ret;
823 val = tswap32(val);
824 if (len > lv)
825 len = lv;
53a5960a
PB		 826 if (len == 4)
827 tput32(optval, val);
828 else
829 tput8(optval, val);
830 tput32(optlen, len);
2efbe911
FB		 831 break;
832 case SOL_IP:
833 switch(optname) {
834 case IP_TOS:
835 case IP_TTL:
836 case IP_HDRINCL:
837 case IP_ROUTER_ALERT:
838 case IP_RECVOPTS:
839 case IP_RETOPTS:
840 case IP_PKTINFO:
841 case IP_MTU_DISCOVER:
842 case IP_RECVERR:
843 case IP_RECVTOS:
844#ifdef IP_FREEBIND
845 case IP_FREEBIND:
846#endif
847 case IP_MULTICAST_TTL:
848 case IP_MULTICAST_LOOP:
53a5960a 849 len = tget32(optlen);
8853f86e
FB		 850 if (len < 0)
851 return -EINVAL;
852 lv = sizeof(int);
853 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
854 if (ret < 0)
855 return ret;
2efbe911 856 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 857 len = 1;
53a5960a
PB		 858 tput32(optlen, len);
859 tput8(optval, val);
2efbe911 860 } else {
2efbe911
FB		 861 if (len > sizeof(int))
862 len = sizeof(int);
53a5960a
PB		 863 tput32(optlen, len);
864 tput32(optval, val);
2efbe911 865 }
8853f86e 866 break;
2efbe911
FB		 867 default:
868 goto unimplemented;
8853f86e
FB		 869 }
870 break;
871 default:
872 unimplemented:
873 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
874 level, optname);
875 ret = -ENOSYS;
876 break;
877 }
878 return ret;
7854b056
FB		 879}
880
53a5960a
PB		 881static void lock_iovec(struct iovec *vec, target_ulong target_addr,
882 int count, int copy)
883{
884 struct target_iovec *target_vec;
885 target_ulong base;
886 int i;
887
888 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
889 for(i = 0;i < count; i++) {
890 base = tswapl(target_vec[i].iov_base);
891 vec[i].iov_len = tswapl(target_vec[i].iov_len);
892 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
893 }
894 unlock_user (target_vec, target_addr, 0);
895}
896
897static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
898 int count, int copy)
899{
900 struct target_iovec *target_vec;
901 target_ulong base;
902 int i;
903
904 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
905 for(i = 0;i < count; i++) {
906 base = tswapl(target_vec[i].iov_base);
907 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
908 }
909 unlock_user (target_vec, target_addr, 0);
910}
911
3532fa74
FB		 912static long do_socket(int domain, int type, int protocol)
913{
914#if defined(TARGET_MIPS)
915 switch(type) {
916 case TARGET_SOCK_DGRAM:
917 type = SOCK_DGRAM;
918 break;
919 case TARGET_SOCK_STREAM:
920 type = SOCK_STREAM;
921 break;
922 case TARGET_SOCK_RAW:
923 type = SOCK_RAW;
924 break;
925 case TARGET_SOCK_RDM:
926 type = SOCK_RDM;
927 break;
928 case TARGET_SOCK_SEQPACKET:
929 type = SOCK_SEQPACKET;
930 break;
931 case TARGET_SOCK_PACKET:
932 type = SOCK_PACKET;
933 break;
934 }
935#endif
936 return get_errno(socket(domain, type, protocol));
937}
938
939static long do_bind(int sockfd, target_ulong target_addr,
940 socklen_t addrlen)
941{
942 void *addr = alloca(addrlen);
3b46e624 943
3532fa74
FB		 944 target_to_host_sockaddr(addr, target_addr, addrlen);
945 return get_errno(bind(sockfd, addr, addrlen));
946}
947
948static long do_connect(int sockfd, target_ulong target_addr,
949 socklen_t addrlen)
950{
951 void *addr = alloca(addrlen);
3b46e624 952
3532fa74
FB		 953 target_to_host_sockaddr(addr, target_addr, addrlen);
954 return get_errno(connect(sockfd, addr, addrlen));
955}
956
957static long do_sendrecvmsg(int fd, target_ulong target_msg,
958 int flags, int send)
959{
960 long ret;
961 struct target_msghdr *msgp;
962 struct msghdr msg;
963 int count;
964 struct iovec *vec;
965 target_ulong target_vec;
966
967 lock_user_struct(msgp, target_msg, 1);
968 if (msgp->msg_name) {
969 msg.msg_namelen = tswap32(msgp->msg_namelen);
970 msg.msg_name = alloca(msg.msg_namelen);
971 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
972 msg.msg_namelen);
973 } else {
974 msg.msg_name = NULL;
975 msg.msg_namelen = 0;
976 }
977 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
978 msg.msg_control = alloca(msg.msg_controllen);
979 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 980
3532fa74
FB		 981 count = tswapl(msgp->msg_iovlen);
982 vec = alloca(count * sizeof(struct iovec));
983 target_vec = tswapl(msgp->msg_iov);
984 lock_iovec(vec, target_vec, count, send);
985 msg.msg_iovlen = count;
986 msg.msg_iov = vec;
3b46e624 987
3532fa74
FB		 988 if (send) {
989 target_to_host_cmsg(&msg, msgp);
990 ret = get_errno(sendmsg(fd, &msg, flags));
991 } else {
992 ret = get_errno(recvmsg(fd, &msg, flags));
993 if (!is_error(ret))
994 host_to_target_cmsg(msgp, &msg);
995 }
996 unlock_iovec(vec, target_vec, count, !send);
997 return ret;
998}
999
1be9e1dc
PB		 1000static long do_accept(int fd, target_ulong target_addr,
1001 target_ulong target_addrlen)
1002{
1003 socklen_t addrlen = tget32(target_addrlen);
197ea35a 1004 void *addr = alloca(addrlen);
1be9e1dc
PB		 1005 long ret;
1006
1007 ret = get_errno(accept(fd, addr, &addrlen));
1008 if (!is_error(ret)) {
1009 host_to_target_sockaddr(target_addr, addr, addrlen);
1010 tput32(target_addrlen, addrlen);
1011 }
1012 return ret;
1013}
1014
1015static long do_getpeername(int fd, target_ulong target_addr,
1016 target_ulong target_addrlen)
1017{
1018 socklen_t addrlen = tget32(target_addrlen);
01c227fb 1019 void *addr = alloca(addrlen);
1be9e1dc
PB		 1020 long ret;
1021
1022 ret = get_errno(getpeername(fd, addr, &addrlen));
1023 if (!is_error(ret)) {
1024 host_to_target_sockaddr(target_addr, addr, addrlen);
1025 tput32(target_addrlen, addrlen);
1026 }
1027 return ret;
1028}
1029
1030static long do_getsockname(int fd, target_ulong target_addr,
1031 target_ulong target_addrlen)
1032{
1033 socklen_t addrlen = tget32(target_addrlen);
01c227fb 1034 void *addr = alloca(addrlen);
1be9e1dc
PB		 1035 long ret;
1036
1037 ret = get_errno(getsockname(fd, addr, &addrlen));
1038 if (!is_error(ret)) {
1039 host_to_target_sockaddr(target_addr, addr, addrlen);
1040 tput32(target_addrlen, addrlen);
1041 }
1042 return ret;
1043}
1044
1045static long do_socketpair(int domain, int type, int protocol,
1046 target_ulong target_tab)
1047{
1048 int tab[2];
1049 long ret;
1050
1051 ret = get_errno(socketpair(domain, type, protocol, tab));
1052 if (!is_error(ret)) {
1053 tput32(target_tab, tab[0]);
1054 tput32(target_tab + 4, tab[1]);
1055 }
1056 return ret;
1057}
1058
1059static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
1060 target_ulong target_addr, socklen_t addrlen)
1061{
1062 void *addr;
1063 void *host_msg;
1064 long ret;
1065
1066 host_msg = lock_user(msg, len, 1);
1067 if (target_addr) {
1068 addr = alloca(addrlen);
1069 target_to_host_sockaddr(addr, target_addr, addrlen);
1070 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1071 } else {
1072 ret = get_errno(send(fd, host_msg, len, flags));
1073 }
1074 unlock_user(host_msg, msg, 0);
1075 return ret;
1076}
1077
1078static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
1079 target_ulong target_addr, target_ulong target_addrlen)
1080{
1081 socklen_t addrlen;
1082 void *addr;
1083 void *host_msg;
1084 long ret;
1085
1086 host_msg = lock_user(msg, len, 0);
1087 if (target_addr) {
1088 addrlen = tget32(target_addrlen);
1089 addr = alloca(addrlen);
1090 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1091 } else {
1092 addr = NULL; /* To keep compiler quiet. */
1093 ret = get_errno(recv(fd, host_msg, len, flags));
1094 }
1095 if (!is_error(ret)) {
1096 if (target_addr) {
1097 host_to_target_sockaddr(target_addr, addr, addrlen);
1098 tput32(target_addrlen, addrlen);
1099 }
1100 unlock_user(host_msg, msg, len);
1101 } else {
1102 unlock_user(host_msg, msg, 0);
1103 }
1104 return ret;
1105}
1106
85aa199a 1107static long do_socketcall(int num, target_ulong vptr)
31e31b8a
FB		 1108{
1109 long ret;
53a5960a 1110 const int n = sizeof(target_ulong);
31e31b8a
FB		 1111
1112 switch(num) {
1113 case SOCKOP_socket:
7854b056 1114 {
53a5960a
PB		 1115 int domain = tgetl(vptr);
1116 int type = tgetl(vptr + n);
1117 int protocol = tgetl(vptr + 2 * n);
3532fa74 1118 ret = do_socket(domain, type, protocol);
7854b056 1119 }
31e31b8a
FB		 1120 break;
1121 case SOCKOP_bind:
7854b056 1122 {
53a5960a
PB		 1123 int sockfd = tgetl(vptr);
1124 target_ulong target_addr = tgetl(vptr + n);
1125 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 1126 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1127 }
31e31b8a
FB		 1128 break;
1129 case SOCKOP_connect:
7854b056 1130 {
53a5960a
PB		 1131 int sockfd = tgetl(vptr);
1132 target_ulong target_addr = tgetl(vptr + n);
1133 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 1134 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1135 }
31e31b8a
FB		 1136 break;
1137 case SOCKOP_listen:
7854b056 1138 {
53a5960a
PB		 1139 int sockfd = tgetl(vptr);
1140 int backlog = tgetl(vptr + n);
7854b056
FB		 1141 ret = get_errno(listen(sockfd, backlog));
1142 }
31e31b8a
FB		 1143 break;
1144 case SOCKOP_accept:
1145 {
53a5960a
PB		 1146 int sockfd = tgetl(vptr);
1147 target_ulong target_addr = tgetl(vptr + n);
1148 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1149 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1150 }
1151 break;
1152 case SOCKOP_getsockname:
1153 {
53a5960a
PB		 1154 int sockfd = tgetl(vptr);
1155 target_ulong target_addr = tgetl(vptr + n);
1156 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1157 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1158 }
1159 break;
1160 case SOCKOP_getpeername:
1161 {
53a5960a
PB		 1162 int sockfd = tgetl(vptr);
1163 target_ulong target_addr = tgetl(vptr + n);
1164 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1165 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1166 }
1167 break;
1168 case SOCKOP_socketpair:
1169 {
53a5960a
PB		 1170 int domain = tgetl(vptr);
1171 int type = tgetl(vptr + n);
1172 int protocol = tgetl(vptr + 2 * n);
1be9e1dc
PB		 1173 target_ulong tab = tgetl(vptr + 3 * n);
1174 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1175 }
1176 break;
1177 case SOCKOP_send:
7854b056 1178 {
53a5960a
PB		 1179 int sockfd = tgetl(vptr);
1180 target_ulong msg = tgetl(vptr + n);
1181 size_t len = tgetl(vptr + 2 * n);
1182 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1183 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1184 }
31e31b8a
FB		 1185 break;
1186 case SOCKOP_recv:
7854b056 1187 {
53a5960a
PB		 1188 int sockfd = tgetl(vptr);
1189 target_ulong msg = tgetl(vptr + n);
1190 size_t len = tgetl(vptr + 2 * n);
1191 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1192 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1193 }
31e31b8a
FB		 1194 break;
1195 case SOCKOP_sendto:
7854b056 1196 {
53a5960a
PB		 1197 int sockfd = tgetl(vptr);
1198 target_ulong msg = tgetl(vptr + n);
1199 size_t len = tgetl(vptr + 2 * n);
1200 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1201 target_ulong addr = tgetl(vptr + 4 * n);
53a5960a 1202 socklen_t addrlen = tgetl(vptr + 5 * n);
1be9e1dc 1203 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1204 }
31e31b8a
FB		 1205 break;
1206 case SOCKOP_recvfrom:
1207 {
53a5960a
PB		 1208 int sockfd = tgetl(vptr);
1209 target_ulong msg = tgetl(vptr + n);
1210 size_t len = tgetl(vptr + 2 * n);
1211 int flags = tgetl(vptr + 3 * n);
1be9e1dc
PB		 1212 target_ulong addr = tgetl(vptr + 4 * n);
1213 target_ulong addrlen = tgetl(vptr + 5 * n);
1214 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1215 }
1216 break;
1217 case SOCKOP_shutdown:
7854b056 1218 {
53a5960a
PB		 1219 int sockfd = tgetl(vptr);
1220 int how = tgetl(vptr + n);
7854b056
FB		 1221
1222 ret = get_errno(shutdown(sockfd, how));
1223 }
31e31b8a
FB		 1224 break;
1225 case SOCKOP_sendmsg:
1226 case SOCKOP_recvmsg:
1a9353d2
FB		 1227 {
1228 int fd;
53a5960a 1229 target_ulong target_msg;
3532fa74 1230 int flags;
1a9353d2 1231
53a5960a 1232 fd = tgetl(vptr);
3532fa74 1233 target_msg = tgetl(vptr + n);
53a5960a 1234 flags = tgetl(vptr + 2 * n);
3532fa74 1235
5fafdf24 1236 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 1237 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1238 }
1239 break;
31e31b8a 1240 case SOCKOP_setsockopt:
7854b056 1241 {
53a5960a
PB		 1242 int sockfd = tgetl(vptr);
1243 int level = tgetl(vptr + n);
1244 int optname = tgetl(vptr + 2 * n);
1245 target_ulong optval = tgetl(vptr + 3 * n);
1246 socklen_t optlen = tgetl(vptr + 4 * n);
7854b056
FB		 1247
1248 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1249 }
1250 break;
31e31b8a 1251 case SOCKOP_getsockopt:
7854b056 1252 {
53a5960a
PB		 1253 int sockfd = tgetl(vptr);
1254 int level = tgetl(vptr + n);
1255 int optname = tgetl(vptr + 2 * n);
1256 target_ulong optval = tgetl(vptr + 3 * n);
1257 target_ulong poptlen = tgetl(vptr + 4 * n);
7854b056 1258
8853f86e 1259 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
7854b056
FB		 1260 }
1261 break;
31e31b8a
FB		 1262 default:
1263 gemu_log("Unsupported socketcall: %d\n", num);
1264 ret = -ENOSYS;
1265 break;
1266 }
1267 return ret;
1268}
1269
8853f86e
FB		 1270#define N_SHM_REGIONS 32
1271
1272static struct shm_region {
1273 uint32_t start;
1274 uint32_t size;
1275} shm_regions[N_SHM_REGIONS];
1276
3eb6b044
TS		 1277struct target_ipc_perm
1278{
1279 target_long __key;
1280 target_ulong uid;
1281 target_ulong gid;
1282 target_ulong cuid;
1283 target_ulong cgid;
1284 unsigned short int mode;
1285 unsigned short int __pad1;
1286 unsigned short int __seq;
1287 unsigned short int __pad2;
1288 target_ulong __unused1;
1289 target_ulong __unused2;
1290};
1291
1292struct target_semid_ds
1293{
1294 struct target_ipc_perm sem_perm;
1295 target_ulong sem_otime;
1296 target_ulong __unused1;
1297 target_ulong sem_ctime;
1298 target_ulong __unused2;
1299 target_ulong sem_nsems;
1300 target_ulong __unused3;
1301 target_ulong __unused4;
1302};
1303
1304static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip,
1305 target_ulong target_addr)
1306{
1307 struct target_ipc_perm *target_ip;
1308 struct target_semid_ds *target_sd;
1309
1310 lock_user_struct(target_sd, target_addr, 1);
1311 target_ip=&(target_sd->sem_perm);
1312 host_ip->__key = tswapl(target_ip->__key);
1313 host_ip->uid = tswapl(target_ip->uid);
1314 host_ip->gid = tswapl(target_ip->gid);
1315 host_ip->cuid = tswapl(target_ip->cuid);
1316 host_ip->cgid = tswapl(target_ip->cgid);
1317 host_ip->mode = tswapl(target_ip->mode);
1318 unlock_user_struct(target_sd, target_addr, 0);
1319}
1320
1321static inline void host_to_target_ipc_perm(target_ulong target_addr,
1322 struct ipc_perm *host_ip)
1323{
1324 struct target_ipc_perm *target_ip;
1325 struct target_semid_ds *target_sd;
1326
1327 lock_user_struct(target_sd, target_addr, 0);
1328 target_ip = &(target_sd->sem_perm);
1329 target_ip->__key = tswapl(host_ip->__key);
1330 target_ip->uid = tswapl(host_ip->uid);
1331 target_ip->gid = tswapl(host_ip->gid);
1332 target_ip->cuid = tswapl(host_ip->cuid);
1333 target_ip->cgid = tswapl(host_ip->cgid);
1334 target_ip->mode = tswapl(host_ip->mode);
1335 unlock_user_struct(target_sd, target_addr, 1);
1336}
1337
1338static inline void target_to_host_semid_ds(struct semid_ds *host_sd,
1339 target_ulong target_addr)
1340{
1341 struct target_semid_ds *target_sd;
1342
1343 lock_user_struct(target_sd, target_addr, 1);
1344 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1345 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1346 host_sd->sem_otime = tswapl(target_sd->sem_otime);
1347 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1348 unlock_user_struct(target_sd, target_addr, 0);
1349}
1350
1351static inline void host_to_target_semid_ds(target_ulong target_addr,
1352 struct semid_ds *host_sd)
1353{
1354 struct target_semid_ds *target_sd;
1355
1356 lock_user_struct(target_sd, target_addr, 0);
1357 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1358 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1359 target_sd->sem_otime = tswapl(host_sd->sem_otime);
1360 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1361 unlock_user_struct(target_sd, target_addr, 1);
1362}
1363
fa294816
TS		 1364union semun {
1365 int val;
3eb6b044 1366 struct semid_ds *buf;
fa294816
TS		 1367 unsigned short *array;
1368};
1369
3eb6b044
TS		 1370union target_semun {
1371 int val;
1372 target_long buf;
1373 unsigned short int *array;
1374};
1375
1376static inline void target_to_host_semun(unsigned long cmd,
1377 union semun *host_su,
1378 target_ulong target_addr,
1379 struct semid_ds *ds)
1380{
1381 union target_semun *target_su;
1382
1383 switch( cmd ) {
1384 case IPC_STAT:
1385 case IPC_SET:
1386 lock_user_struct(target_su, target_addr, 1);
1387 target_to_host_semid_ds(ds,target_su->buf);
1388 host_su->buf = ds;
1389 unlock_user_struct(target_su, target_addr, 0);
1390 break;
1391 case GETVAL:
1392 case SETVAL:
1393 lock_user_struct(target_su, target_addr, 1);
1394 host_su->val = tswapl(target_su->val);
1395 unlock_user_struct(target_su, target_addr, 0);
1396 break;
1397 case GETALL:
1398 case SETALL:
1399 lock_user_struct(target_su, target_addr, 1);
1400 *host_su->array = tswap16(*target_su->array);
1401 unlock_user_struct(target_su, target_addr, 0);
1402 break;
1403 default:
1404 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1405 }
1406}
1407
1408static inline void host_to_target_semun(unsigned long cmd,
1409 target_ulong target_addr,
1410 union semun *host_su,
1411 struct semid_ds *ds)
1412{
1413 union target_semun *target_su;
1414
1415 switch( cmd ) {
1416 case IPC_STAT:
1417 case IPC_SET:
1418 lock_user_struct(target_su, target_addr, 0);
1419 host_to_target_semid_ds(target_su->buf,ds);
1420 unlock_user_struct(target_su, target_addr, 1);
1421 break;
1422 case GETVAL:
1423 case SETVAL:
1424 lock_user_struct(target_su, target_addr, 0);
1425 target_su->val = tswapl(host_su->val);
1426 unlock_user_struct(target_su, target_addr, 1);
1427 break;
1428 case GETALL:
1429 case SETALL:
1430 lock_user_struct(target_su, target_addr, 0);
1431 *target_su->array = tswap16(*host_su->array);
1432 unlock_user_struct(target_su, target_addr, 1);
1433 break;
1434 default:
1435 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1436 }
1437}
1438
1439static inline long do_semctl(long first, long second, long third, long ptr)
1440{
1441 union semun arg;
1442 struct semid_ds dsarg;
1443 int cmd = third&0xff;
1444 long ret = 0;
1445
1446 switch( cmd ) {
1447 case GETVAL:
1448 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1449 ret = get_errno(semctl(first, second, cmd, arg));
1450 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1451 break;
1452 case SETVAL:
1453 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1454 ret = get_errno(semctl(first, second, cmd, arg));
1455 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1456 break;
1457 case GETALL:
1458 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1459 ret = get_errno(semctl(first, second, cmd, arg));
1460 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1461 break;
1462 case SETALL:
1463 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1464 ret = get_errno(semctl(first, second, cmd, arg));
1465 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1466 break;
1467 case IPC_STAT:
1468 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1469 ret = get_errno(semctl(first, second, cmd, arg));
1470 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1471 break;
1472 case IPC_SET:
1473 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1474 ret = get_errno(semctl(first, second, cmd, arg));
1475 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1476 break;
1477 default:
1478 ret = get_errno(semctl(first, second, cmd, arg));
1479 }
1480
1481 return ret;
1482}
1483
1bc012f6
TS		 1484struct target_msqid_ds
1485{
1486 struct target_ipc_perm msg_perm;
1487 target_ulong msg_stime;
1488 target_ulong __unused1;
1489 target_ulong msg_rtime;
1490 target_ulong __unused2;
1491 target_ulong msg_ctime;
1492 target_ulong __unused3;
1493 target_ulong __msg_cbytes;
1494 target_ulong msg_qnum;
1495 target_ulong msg_qbytes;
1496 target_ulong msg_lspid;
1497 target_ulong msg_lrpid;
1498 target_ulong __unused4;
1499 target_ulong __unused5;
1500};
1501
1502static inline void target_to_host_msqid_ds(struct msqid_ds *host_md,
1503 target_ulong target_addr)
1504{
1505 struct target_msqid_ds *target_md;
1506
1507 lock_user_struct(target_md, target_addr, 1);
1508 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
1509 host_md->msg_stime = tswapl(target_md->msg_stime);
1510 host_md->msg_rtime = tswapl(target_md->msg_rtime);
1511 host_md->msg_ctime = tswapl(target_md->msg_ctime);
1512 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1513 host_md->msg_qnum = tswapl(target_md->msg_qnum);
1514 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1515 host_md->msg_lspid = tswapl(target_md->msg_lspid);
1516 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1517 unlock_user_struct(target_md, target_addr, 0);
1518}
1519
1520static inline void host_to_target_msqid_ds(target_ulong target_addr,
1521 struct msqid_ds *host_md)
1522{
1523 struct target_msqid_ds *target_md;
1524
1525 lock_user_struct(target_md, target_addr, 0);
1526 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
1527 target_md->msg_stime = tswapl(host_md->msg_stime);
1528 target_md->msg_rtime = tswapl(host_md->msg_rtime);
1529 target_md->msg_ctime = tswapl(host_md->msg_ctime);
1530 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1531 target_md->msg_qnum = tswapl(host_md->msg_qnum);
1532 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1533 target_md->msg_lspid = tswapl(host_md->msg_lspid);
1534 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1535 unlock_user_struct(target_md, target_addr, 1);
1536}
1537
1538static inline long do_msgctl(long first, long second, long ptr)
1539{
1540 struct msqid_ds dsarg;
1541 int cmd = second&0xff;
1542 long ret = 0;
1543 switch( cmd ) {
1544 case IPC_STAT:
1545 case IPC_SET:
1546 target_to_host_msqid_ds(&dsarg,ptr);
1547 ret = get_errno(msgctl(first, cmd, &dsarg));
1548 host_to_target_msqid_ds(ptr,&dsarg);
1549 default:
1550 ret = get_errno(msgctl(first, cmd, &dsarg));
1551 }
1552 return ret;
1553}
1554
1555struct target_msgbuf {
1556 target_ulong mtype;
1557 char mtext[1];
1558};
1559
1560static inline long do_msgsnd(long msqid, long msgp, long msgsz, long msgflg)
1561{
1562 struct target_msgbuf *target_mb;
1563 struct msgbuf *host_mb;
1564 long ret = 0;
1565
1566 lock_user_struct(target_mb,msgp,0);
1567 host_mb = malloc(msgsz+sizeof(long));
1568 host_mb->mtype = tswapl(target_mb->mtype);
1569 memcpy(host_mb->mtext,target_mb->mtext,msgsz);
1570 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
1571 free(host_mb);
1572 unlock_user_struct(target_mb, msgp, 0);
1573
1574 return ret;
1575}
1576
1577static inline long do_msgrcv(long msqid, long msgp, long msgsz, long msgtype, long msgflg)
1578{
1579 struct target_msgbuf *target_mb;
1580 struct msgbuf *host_mb;
1581 long ret = 0;
1582
1583 lock_user_struct(target_mb, msgp, 0);
1584 host_mb = malloc(msgsz+sizeof(long));
1585 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
1586 if (ret > 0)
1587 memcpy(target_mb->mtext, host_mb->mtext, ret);
1588 target_mb->mtype = tswapl(host_mb->mtype);
1589 free(host_mb);
1590 unlock_user_struct(target_mb, msgp, 0);
1591
1592 return ret;
1593}
1594
53a5960a 1595/* ??? This only works with linear mappings. */
8853f86e
FB		 1596static long do_ipc(long call, long first, long second, long third,
1597 long ptr, long fifth)
1598{
1599 int version;
1600 long ret = 0;
1601 unsigned long raddr;
1602 struct shmid_ds shm_info;
1603 int i;
1604
1605 version = call >> 16;
1606 call &= 0xffff;
1607
1608 switch (call) {
fa294816
TS		 1609 case IPCOP_semop:
1610 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1611 break;
1612
1613 case IPCOP_semget:
1614 ret = get_errno(semget(first, second, third));
1615 break;
1616
1617 case IPCOP_semctl:
3eb6b044 1618 ret = do_semctl(first, second, third, ptr);
fa294816
TS		 1619 break;
1620
1621 case IPCOP_semtimedop:
1622 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1623 ret = -ENOSYS;
1624 break;
d96372ef
TS		 1625
1626 case IPCOP_msgget:
1627 ret = get_errno(msgget(first, second));
1628 break;
1629
1630 case IPCOP_msgsnd:
1bc012f6 1631 ret = do_msgsnd(first, ptr, second, third);
d96372ef
TS		 1632 break;
1633
1634 case IPCOP_msgctl:
1bc012f6 1635 ret = do_msgctl(first, second, ptr);
d96372ef
TS		 1636 break;
1637
1638 case IPCOP_msgrcv:
1bc012f6
TS		 1639 {
1640 struct ipc_kludge
1641 {
1642 void *__unbounded msgp;
1643 long int msgtyp;
1644 };
d96372ef 1645
1bc012f6
TS		 1646 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1647 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
d96372ef 1648
1bc012f6 1649 ret = do_msgrcv(first, (long)msgp, second, 0, third);
d96372ef 1650
1bc012f6 1651 }
d96372ef
TS		 1652 break;
1653
8853f86e
FB		 1654 case IPCOP_shmat:
1655 /* SHM_* flags are the same on all linux platforms */
1656 ret = get_errno((long) shmat(first, (void *) ptr, second));
1657 if (is_error(ret))
1658 break;
1659 raddr = ret;
1660 /* find out the length of the shared memory segment */
3b46e624 1661
8853f86e
FB		 1662 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1663 if (is_error(ret)) {
1664 /* can't get length, bail out */
1665 shmdt((void *) raddr);
1666 break;
1667 }
1668 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1669 PAGE_VALID | PAGE_READ |
1670 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1671 for (i = 0; i < N_SHM_REGIONS; ++i) {
1672 if (shm_regions[i].start == 0) {
1673 shm_regions[i].start = raddr;
1674 shm_regions[i].size = shm_info.shm_segsz;
1675 break;
1676 }
1677 }
1678 if (put_user(raddr, (uint32_t *)third))
1679 return -EFAULT;
1680 ret = 0;
1681 break;
1682 case IPCOP_shmdt:
1683 for (i = 0; i < N_SHM_REGIONS; ++i) {
1684 if (shm_regions[i].start == ptr) {
1685 shm_regions[i].start = 0;
1686 page_set_flags(ptr, shm_regions[i].size, 0);
1687 break;
1688 }
1689 }
1690 ret = get_errno(shmdt((void *) ptr));
1691 break;
1692
1693 case IPCOP_shmget:
1694 /* IPC_* flag values are the same on all linux platforms */
1695 ret = get_errno(shmget(first, second, third));
1696 break;
1697
1698 /* IPC_* and SHM_* command values are the same on all linux platforms */
1699 case IPCOP_shmctl:
1700 switch(second) {
1701 case IPC_RMID:
1702 case SHM_LOCK:
1703 case SHM_UNLOCK:
1704 ret = get_errno(shmctl(first, second, NULL));
1705 break;
1706 default:
1707 goto unimplemented;
1708 }
1709 break;
1710 default:
1711 unimplemented:
1712 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1713 ret = -ENOSYS;
1714 break;
1715 }
1716 return ret;
1717}
1718
31e31b8a
FB		 1719/* kernel structure types definitions */
1720#define IFNAMSIZ 16
1721
1722#define STRUCT(name, list...) STRUCT_ ## name,
1723#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1724enum {
1725#include "syscall_types.h"
1726};
1727#undef STRUCT
1728#undef STRUCT_SPECIAL
1729
1730#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1731#define STRUCT_SPECIAL(name)
1732#include "syscall_types.h"
1733#undef STRUCT
1734#undef STRUCT_SPECIAL
1735
1736typedef struct IOCTLEntry {
2ab83ea7
FB		 1737 unsigned int target_cmd;
1738 unsigned int host_cmd;
31e31b8a
FB		 1739 const char *name;
1740 int access;
1a9353d2 1741 const argtype arg_type[5];
31e31b8a
FB		 1742} IOCTLEntry;
1743
1744#define IOC_R 0x0001
1745#define IOC_W 0x0002
1746#define IOC_RW (IOC_R | IOC_W)
1747
1748#define MAX_STRUCT_SIZE 4096
1749
2ab83ea7 1750IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 1751#define IOCTL(cmd, access, types...) \
1752 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1753#include "ioctls.h"
1754 { 0, 0, },
1755};
1756
53a5960a 1757/* ??? Implement proper locking for ioctls. */
31e31b8a
FB		 1758static long do_ioctl(long fd, long cmd, long arg)
1759{
1760 const IOCTLEntry *ie;
1761 const argtype *arg_type;
1762 long ret;
1763 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 1764 int target_size;
1765 void *argptr;
31e31b8a
FB		 1766
1767 ie = ioctl_entries;
1768 for(;;) {
1769 if (ie->target_cmd == 0) {
1770 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1771 return -ENOSYS;
1772 }
1773 if (ie->target_cmd == cmd)
1774 break;
1775 ie++;
1776 }
1777 arg_type = ie->arg_type;
9de5e440 1778#if defined(DEBUG)
72f03900
FB		 1779 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1780#endif
31e31b8a
FB		 1781 switch(arg_type[0]) {
1782 case TYPE_NULL:
1783 /* no argument */
1784 ret = get_errno(ioctl(fd, ie->host_cmd));
1785 break;
1786 case TYPE_PTRVOID:
1787 case TYPE_INT:
1788 /* int argment */
1789 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1790 break;
1791 case TYPE_PTR:
1792 arg_type++;
53a5960a 1793 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 1794 switch(ie->access) {
1795 case IOC_R:
1796 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1797 if (!is_error(ret)) {
53a5960a
PB		 1798 argptr = lock_user(arg, target_size, 0);
1799 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1800 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1801 }
1802 break;
1803 case IOC_W:
53a5960a
PB		 1804 argptr = lock_user(arg, target_size, 1);
1805 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1806 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1807 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1808 break;
1809 default:
1810 case IOC_RW:
53a5960a
PB		 1811 argptr = lock_user(arg, target_size, 1);
1812 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1813 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1814 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1815 if (!is_error(ret)) {
53a5960a
PB		 1816 argptr = lock_user(arg, target_size, 0);
1817 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1818 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1819 }
1820 break;
1821 }
1822 break;
1823 default:
1824 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1825 ret = -ENOSYS;
1826 break;
1827 }
1828 return ret;
1829}
1830
1831bitmask_transtbl iflag_tbl[] = {
1832 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1833 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1834 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1835 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1836 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1837 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1838 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1839 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1840 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1841 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1842 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1843 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1844 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1845 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1846 { 0, 0, 0, 0 }
1847};
1848
1849bitmask_transtbl oflag_tbl[] = {
1850 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1851 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1852 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1853 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1854 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1855 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1856 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1857 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1858 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1859 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1860 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1861 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1862 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1863 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1864 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1865 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1866 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1867 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1868 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1869 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1870 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1871 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1872 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1873 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1874 { 0, 0, 0, 0 }
1875};
1876
1877bitmask_transtbl cflag_tbl[] = {
1878 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1879 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1880 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1881 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1882 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1883 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1884 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1885 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1886 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1887 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1888 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1889 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1890 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1891 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1892 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1893 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1894 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1895 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1896 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1897 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1898 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1899 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1900 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1901 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1902 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1903 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1904 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1905 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1906 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1907 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1908 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1909 { 0, 0, 0, 0 }
1910};
1911
1912bitmask_transtbl lflag_tbl[] = {
1913 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1914 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1915 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1916 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1917 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1918 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1919 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1920 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1921 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1922 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1923 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1924 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1925 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1926 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1927 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1928 { 0, 0, 0, 0 }
1929};
1930
1931static void target_to_host_termios (void *dst, const void *src)
1932{
1933 struct host_termios *host = dst;
1934 const struct target_termios *target = src;
3b46e624 1935
5fafdf24 1936 host->c_iflag =
31e31b8a 1937 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 1938 host->c_oflag =
31e31b8a 1939 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 1940 host->c_cflag =
31e31b8a 1941 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 1942 host->c_lflag =
31e31b8a
FB		 1943 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1944 host->c_line = target->c_line;
3b46e624 1945
5fafdf24
TS		 1946 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1947 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 1948 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 1949 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 1950 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 1951 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 1952 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 1953 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 1954 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 1955 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1956 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 1957 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1958 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1959 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1960 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1961 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 1962 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 1963}
3b46e624 1964
31e31b8a
FB		 1965static void host_to_target_termios (void *dst, const void *src)
1966{
1967 struct target_termios *target = dst;
1968 const struct host_termios *host = src;
1969
5fafdf24 1970 target->c_iflag =
31e31b8a 1971 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 1972 target->c_oflag =
31e31b8a 1973 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 1974 target->c_cflag =
31e31b8a 1975 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 1976 target->c_lflag =
31e31b8a
FB		 1977 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1978 target->c_line = host->c_line;
3b46e624 1979
31e31b8a
FB		 1980 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1981 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1982 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1983 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1984 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1985 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1986 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1987 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1988 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1989 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1990 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1991 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1992 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1993 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1994 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1995 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1996 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1997}
1998
1999StructEntry struct_termios_def = {
2000 .convert = { host_to_target_termios, target_to_host_termios },
2001 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
2002 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
2003};
2004
5286db75
FB		 2005static bitmask_transtbl mmap_flags_tbl[] = {
2006 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
2007 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
2008 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
2009 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
2010 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
2011 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
2012 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
2013 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
2014 { 0, 0, 0, 0 }
2015};
2016
ffa65c3b
FB		 2017static bitmask_transtbl fcntl_flags_tbl[] = {
2018 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
2019 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
2020 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
2021 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
2022 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
2023 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
2024 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
2025 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
2026 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
2027 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
2028 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
2029 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
2030 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 2031#if defined(O_DIRECT)
ffa65c3b 2032 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 2033#endif
ffa65c3b
FB		 2034 { 0, 0, 0, 0 }
2035};
2036
2ab83ea7 2037#if defined(TARGET_I386)
6dbad63e
FB		 2038
2039/* NOTE: there is really one LDT for all the threads */
2040uint8_t *ldt_table;
2041
53a5960a 2042static int read_ldt(target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 2043{
2044 int size;
53a5960a 2045 void *p;
6dbad63e
FB		 2046
2047 if (!ldt_table)
2048 return 0;
2049 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2050 if (size > bytecount)
2051 size = bytecount;
53a5960a
PB		 2052 p = lock_user(ptr, size, 0);
2053 /* ??? Shoudl this by byteswapped? */
2054 memcpy(p, ldt_table, size);
2055 unlock_user(p, ptr, size);
6dbad63e
FB		 2056 return size;
2057}
2058
2059/* XXX: add locking support */
5fafdf24 2060static int write_ldt(CPUX86State *env,
53a5960a 2061 target_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 2062{
2063 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 2064 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e
FB		 2065 int seg_32bit, contents, read_exec_only, limit_in_pages;
2066 int seg_not_present, useable;
2067 uint32_t *lp, entry_1, entry_2;
2068
2069 if (bytecount != sizeof(ldt_info))
2070 return -EINVAL;
53a5960a
PB		 2071 lock_user_struct(target_ldt_info, ptr, 1);
2072 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2073 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2074 ldt_info.limit = tswap32(target_ldt_info->limit);
2075 ldt_info.flags = tswap32(target_ldt_info->flags);
2076 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 2077
6dbad63e
FB		 2078 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2079 return -EINVAL;
2080 seg_32bit = ldt_info.flags & 1;
2081 contents = (ldt_info.flags >> 1) & 3;
2082 read_exec_only = (ldt_info.flags >> 3) & 1;
2083 limit_in_pages = (ldt_info.flags >> 4) & 1;
2084 seg_not_present = (ldt_info.flags >> 5) & 1;
2085 useable = (ldt_info.flags >> 6) & 1;
2086
2087 if (contents == 3) {
2088 if (oldmode)
2089 return -EINVAL;
2090 if (seg_not_present == 0)
2091 return -EINVAL;
2092 }
2093 /* allocate the LDT */
2094 if (!ldt_table) {
2095 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2096 if (!ldt_table)
2097 return -ENOMEM;
2098 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
53a5960a 2099 env->ldt.base = h2g(ldt_table);
6dbad63e
FB		 2100 env->ldt.limit = 0xffff;
2101 }
2102
2103 /* NOTE: same code as Linux kernel */
2104 /* Allow LDTs to be cleared by the user. */
2105 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2106 if (oldmode ||
2107 (contents == 0 &&
2108 read_exec_only == 1 &&
2109 seg_32bit == 0 &&
2110 limit_in_pages == 0 &&
2111 seg_not_present == 1 &&
2112 useable == 0 )) {
2113 entry_1 = 0;
2114 entry_2 = 0;
2115 goto install;
2116 }
2117 }
3b46e624 2118
6dbad63e
FB		 2119 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2120 (ldt_info.limit & 0x0ffff);
2121 entry_2 = (ldt_info.base_addr & 0xff000000) |
2122 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2123 (ldt_info.limit & 0xf0000) |
2124 ((read_exec_only ^ 1) << 9) |
2125 (contents << 10) |
2126 ((seg_not_present ^ 1) << 15) |
2127 (seg_32bit << 22) |
2128 (limit_in_pages << 23) |
2129 0x7000;
2130 if (!oldmode)
2131 entry_2 |= (useable << 20);
14ae3ba7 2132
6dbad63e
FB		 2133 /* Install the new entry ... */
2134install:
2135 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2136 lp[0] = tswap32(entry_1);
2137 lp[1] = tswap32(entry_2);
2138 return 0;
2139}
2140
2141/* specific and weird i386 syscalls */
53a5960a 2142int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 2143{
2144 int ret = -ENOSYS;
3b46e624 2145
6dbad63e
FB		 2146 switch (func) {
2147 case 0:
2148 ret = read_ldt(ptr, bytecount);
2149 break;
2150 case 1:
2151 ret = write_ldt(env, ptr, bytecount, 1);
2152 break;
2153 case 0x11:
2154 ret = write_ldt(env, ptr, bytecount, 0);
2155 break;
2156 }
2157 return ret;
2158}
1b6b029e 2159
2ab83ea7
FB		 2160#endif /* defined(TARGET_I386) */
2161
1b6b029e
FB		 2162/* this stack is the equivalent of the kernel stack associated with a
2163 thread/process */
2164#define NEW_STACK_SIZE 8192
2165
2166static int clone_func(void *arg)
2167{
2ab83ea7 2168 CPUState *env = arg;
1b6b029e
FB		 2169 cpu_loop(env);
2170 /* never exits */
2171 return 0;
2172}
2173
2ab83ea7 2174int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1b6b029e
FB		 2175{
2176 int ret;
5cd4393b 2177 TaskState *ts;
1b6b029e 2178 uint8_t *new_stack;
2ab83ea7 2179 CPUState *new_env;
3b46e624 2180
1b6b029e 2181 if (flags & CLONE_VM) {
5cd4393b
FB		 2182 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2183 memset(ts, 0, sizeof(TaskState));
2184 new_stack = ts->stack;
2185 ts->used = 1;
2186 /* add in task state list */
2187 ts->next = first_task_state;
2188 first_task_state = ts;
1b6b029e 2189 /* we create a new CPU instance. */
c5be9f08 2190 new_env = cpu_copy(env);
2ab83ea7
FB		 2191#if defined(TARGET_I386)
2192 if (!newsp)
2193 newsp = env->regs[R_ESP];
1b6b029e
FB		 2194 new_env->regs[R_ESP] = newsp;
2195 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 2196#elif defined(TARGET_ARM)
2197 if (!newsp)
2198 newsp = env->regs[13];
2199 new_env->regs[13] = newsp;
2200 new_env->regs[0] = 0;
ebc05488 2201#elif defined(TARGET_SPARC)
48dc41eb
FB		 2202 if (!newsp)
2203 newsp = env->regwptr[22];
2204 new_env->regwptr[22] = newsp;
2205 new_env->regwptr[0] = 0;
2206 /* XXXXX */
67867308 2207 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 2208#elif defined(TARGET_M68K)
2209 if (!newsp)
2210 newsp = env->aregs[7];
2211 new_env->aregs[7] = newsp;
2212 new_env->dregs[0] = 0;
2213 /* ??? is this sufficient? */
048f6b4d 2214#elif defined(TARGET_MIPS)
388bb21a 2215 if (!newsp)
ead9360e
TS		 2216 newsp = env->gpr[29][env->current_tc];
2217 new_env->gpr[29][env->current_tc] = newsp;
67867308
FB		 2218#elif defined(TARGET_PPC)
2219 if (!newsp)
2220 newsp = env->gpr[1];
2221 new_env->gpr[1] = newsp;
5fafdf24 2222 {
67867308
FB		 2223 int i;
2224 for (i = 7; i < 32; i++)
2225 new_env->gpr[i] = 0;
2226 }
fdf9b3e8
FB		 2227#elif defined(TARGET_SH4)
2228 if (!newsp)
2229 newsp = env->gregs[15];
2230 new_env->gregs[15] = newsp;
2231 /* XXXXX */
7a3148a9
JM		 2232#elif defined(TARGET_ALPHA)
2233 if (!newsp)
2234 newsp = env->ir[30];
2235 new_env->ir[30] = newsp;
2236 /* ? */
2237 {
2238 int i;
2239 for (i = 7; i < 30; i++)
2240 new_env->ir[i] = 0;
2241 }
2ab83ea7
FB		 2242#else
2243#error unsupported target CPU
2244#endif
5cd4393b 2245 new_env->opaque = ts;
27725c1d 2246#ifdef __ia64__
fd4a43e4 2247 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 2248#else
2249 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2250#endif
1b6b029e
FB		 2251 } else {
2252 /* if no CLONE_VM, we consider it is a fork */
2253 if ((flags & ~CSIGNAL) != 0)
2254 return -EINVAL;
2255 ret = fork();
2256 }
2257 return ret;
2258}
2259
53a5960a 2260static long do_fcntl(int fd, int cmd, target_ulong arg)
7775e9ec
FB		 2261{
2262 struct flock fl;
53a5960a 2263 struct target_flock *target_fl;
43f238d7
TS		 2264 struct flock64 fl64;
2265 struct target_flock64 *target_fl64;
7775e9ec 2266 long ret;
53a5960a 2267
7775e9ec
FB		 2268 switch(cmd) {
2269 case TARGET_F_GETLK:
5813427b
TS		 2270 lock_user_struct(target_fl, arg, 1);
2271 fl.l_type = tswap16(target_fl->l_type);
2272 fl.l_whence = tswap16(target_fl->l_whence);
2273 fl.l_start = tswapl(target_fl->l_start);
2274 fl.l_len = tswapl(target_fl->l_len);
2275 fl.l_pid = tswapl(target_fl->l_pid);
2276 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2277 ret = fcntl(fd, cmd, &fl);
2278 if (ret == 0) {
53a5960a 2279 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2280 target_fl->l_type = tswap16(fl.l_type);
2281 target_fl->l_whence = tswap16(fl.l_whence);
2282 target_fl->l_start = tswapl(fl.l_start);
2283 target_fl->l_len = tswapl(fl.l_len);
2284 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 2285 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2286 }
2287 break;
3b46e624 2288
7775e9ec
FB		 2289 case TARGET_F_SETLK:
2290 case TARGET_F_SETLKW:
53a5960a 2291 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2292 fl.l_type = tswap16(target_fl->l_type);
2293 fl.l_whence = tswap16(target_fl->l_whence);
2294 fl.l_start = tswapl(target_fl->l_start);
2295 fl.l_len = tswapl(target_fl->l_len);
2296 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 2297 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2298 ret = fcntl(fd, cmd, &fl);
2299 break;
3b46e624 2300
7775e9ec 2301 case TARGET_F_GETLK64:
5813427b
TS		 2302 lock_user_struct(target_fl64, arg, 1);
2303 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2304 fl64.l_whence = tswap16(target_fl64->l_whence);
2305 fl64.l_start = tswapl(target_fl64->l_start);
2306 fl64.l_len = tswapl(target_fl64->l_len);
2307 fl64.l_pid = tswap16(target_fl64->l_pid);
2308 unlock_user_struct(target_fl64, arg, 0);
43f238d7
TS		 2309 ret = fcntl(fd, cmd >> 1, &fl64);
2310 if (ret == 0) {
2311 lock_user_struct(target_fl64, arg, 0);
2312 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2313 target_fl64->l_whence = tswap16(fl64.l_whence);
2314 target_fl64->l_start = tswapl(fl64.l_start);
2315 target_fl64->l_len = tswapl(fl64.l_len);
2316 target_fl64->l_pid = tswapl(fl64.l_pid);
2317 unlock_user_struct(target_fl64, arg, 1);
2318 }
2319 break;
7775e9ec
FB		 2320 case TARGET_F_SETLK64:
2321 case TARGET_F_SETLKW64:
43f238d7
TS		 2322 lock_user_struct(target_fl64, arg, 1);
2323 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2324 fl64.l_whence = tswap16(target_fl64->l_whence);
2325 fl64.l_start = tswapl(target_fl64->l_start);
2326 fl64.l_len = tswapl(target_fl64->l_len);
2327 fl64.l_pid = tswap16(target_fl64->l_pid);
2328 unlock_user_struct(target_fl64, arg, 0);
2329 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 2330 break;
2331
ffa65c3b
FB		 2332 case F_GETFL:
2333 ret = fcntl(fd, cmd, arg);
2334 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2335 break;
2336
2337 case F_SETFL:
2338 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
2339 break;
2340
7775e9ec
FB		 2341 default:
2342 ret = fcntl(fd, cmd, arg);
2343 break;
2344 }
2345 return ret;
2346}
2347
67867308 2348#ifdef USE_UID16
7775e9ec 2349
67867308
FB		 2350static inline int high2lowuid(int uid)
2351{
2352 if (uid > 65535)
2353 return 65534;
2354 else
2355 return uid;
2356}
2357
2358static inline int high2lowgid(int gid)
2359{
2360 if (gid > 65535)
2361 return 65534;
2362 else
2363 return gid;
2364}
2365
2366static inline int low2highuid(int uid)
2367{
2368 if ((int16_t)uid == -1)
2369 return -1;
2370 else
2371 return uid;
2372}
2373
2374static inline int low2highgid(int gid)
2375{
2376 if ((int16_t)gid == -1)
2377 return -1;
2378 else
2379 return gid;
2380}
2381
2382#endif /* USE_UID16 */
1b6b029e 2383
31e31b8a
FB		 2384void syscall_init(void)
2385{
2ab83ea7
FB		 2386 IOCTLEntry *ie;
2387 const argtype *arg_type;
2388 int size;
2389
5fafdf24
TS		 2390#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
2391#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 2392#include "syscall_types.h"
2393#undef STRUCT
2394#undef STRUCT_SPECIAL
2ab83ea7
FB		 2395
2396 /* we patch the ioctl size if necessary. We rely on the fact that
2397 no ioctl has all the bits at '1' in the size field */
2398 ie = ioctl_entries;
2399 while (ie->target_cmd != 0) {
2400 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2401 TARGET_IOC_SIZEMASK) {
2402 arg_type = ie->arg_type;
2403 if (arg_type[0] != TYPE_PTR) {
5fafdf24 2404 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 2405 ie->target_cmd);
2406 exit(1);
2407 }
2408 arg_type++;
2409 size = thunk_type_size(arg_type, 0);
5fafdf24 2410 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 2411 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2412 (size << TARGET_IOC_SIZESHIFT);
2413 }
2414 /* automatic consistency check if same arch */
2415#if defined(__i386__) && defined(TARGET_I386)
2416 if (ie->target_cmd != ie->host_cmd) {
5fafdf24 2417 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
2ab83ea7
FB		 2418 ie->target_cmd, ie->host_cmd);
2419 }
2420#endif
2421 ie++;
2422 }
31e31b8a 2423}
c573ff67 2424
ce4defa0
PB		 2425static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2426{
2427#ifdef TARGET_WORDS_BIG_ENDIAN
2428 return ((uint64_t)word0 << 32) | word1;
2429#else
2430 return ((uint64_t)word1 << 32) | word0;
2431#endif
2432}
2433
2434#ifdef TARGET_NR_truncate64
2435static inline long target_truncate64(void *cpu_env, const char *arg1,
2436 long arg2, long arg3, long arg4)
2437{
2438#ifdef TARGET_ARM
2439 if (((CPUARMState *)cpu_env)->eabi)
2440 {
2441 arg2 = arg3;
2442 arg3 = arg4;
2443 }
2444#endif
2445 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
2446}
2447#endif
2448
2449#ifdef TARGET_NR_ftruncate64
2450static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
2451 long arg3, long arg4)
2452{
2453#ifdef TARGET_ARM
2454 if (((CPUARMState *)cpu_env)->eabi)
2455 {
2456 arg2 = arg3;
2457 arg3 = arg4;
2458 }
2459#endif
2460 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
2461}
2462#endif
2463
53a5960a
PB		 2464static inline void target_to_host_timespec(struct timespec *host_ts,
2465 target_ulong target_addr)
2466{
2467 struct target_timespec *target_ts;
2468
2469 lock_user_struct(target_ts, target_addr, 1);
2470 host_ts->tv_sec = tswapl(target_ts->tv_sec);
2471 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2472 unlock_user_struct(target_ts, target_addr, 0);
2473}
2474
2475static inline void host_to_target_timespec(target_ulong target_addr,
2476 struct timespec *host_ts)
2477{
2478 struct target_timespec *target_ts;
2479
2480 lock_user_struct(target_ts, target_addr, 0);
2481 target_ts->tv_sec = tswapl(host_ts->tv_sec);
2482 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2483 unlock_user_struct(target_ts, target_addr, 1);
2484}
2485
5fafdf24 2486long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 2487 long arg4, long arg5, long arg6)
2488{
2489 long ret;
2490 struct stat st;
56c8f68f 2491 struct statfs stfs;
53a5960a 2492 void *p;
3b46e624 2493
72f03900 2494#ifdef DEBUG
c573ff67 2495 gemu_log("syscall %d", num);
72f03900 2496#endif
31e31b8a
FB		 2497 switch(num) {
2498 case TARGET_NR_exit:
7d13299d
FB		 2499#ifdef HAVE_GPROF
2500 _mcleanup();
2501#endif
e9009676 2502 gdb_exit(cpu_env, arg1);
1b6b029e 2503 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 2504 _exit(arg1);
2505 ret = 0; /* avoid warning */
2506 break;
2507 case TARGET_NR_read:
53a5960a
PB		 2508 page_unprotect_range(arg2, arg3);
2509 p = lock_user(arg2, arg3, 0);
2510 ret = get_errno(read(arg1, p, arg3));
2511 unlock_user(p, arg2, ret);
31e31b8a
FB		 2512 break;
2513 case TARGET_NR_write:
53a5960a
PB		 2514 p = lock_user(arg2, arg3, 1);
2515 ret = get_errno(write(arg1, p, arg3));
2516 unlock_user(p, arg2, 0);
31e31b8a
FB		 2517 break;
2518 case TARGET_NR_open:
53a5960a
PB		 2519 p = lock_user_string(arg1);
2520 ret = get_errno(open(path(p),
ffa65c3b
FB		 2521 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2522 arg3));
53a5960a 2523 unlock_user(p, arg1, 0);
31e31b8a 2524 break;
82424832
TS		 2525#if defined(TARGET_NR_openat) && defined(__NR_openat)
2526 case TARGET_NR_openat:
2527 if (!arg2) {
2528 ret = -EFAULT;
2529 goto fail;
2530 }
2531 p = lock_user_string(arg2);
2532 if (!access_ok(VERIFY_READ, p, 1))
2533 ret = -EFAULT;
2534 else
2535 ret = get_errno(sys_openat(arg1,
2536 path(p),
2537 target_to_host_bitmask(arg3, fcntl_flags_tbl),
2538 arg4));
2539 if (p)
2540 unlock_user(p, arg2, 0);
2541 break;
2542#endif
31e31b8a
FB		 2543 case TARGET_NR_close:
2544 ret = get_errno(close(arg1));
2545 break;
2546 case TARGET_NR_brk:
53a5960a 2547 ret = do_brk(arg1);
31e31b8a
FB		 2548 break;
2549 case TARGET_NR_fork:
1b6b029e 2550 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a 2551 break;
e5febef5 2552#ifdef TARGET_NR_waitpid
31e31b8a
FB		 2553 case TARGET_NR_waitpid:
2554 {
53a5960a
PB		 2555 int status;
2556 ret = get_errno(waitpid(arg1, &status, arg3));
2557 if (!is_error(ret) && arg2)
2558 tput32(arg2, status);
31e31b8a
FB		 2559 }
2560 break;
e5febef5 2561#endif
7a3148a9 2562#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 2563 case TARGET_NR_creat:
53a5960a
PB		 2564 p = lock_user_string(arg1);
2565 ret = get_errno(creat(p, arg2));
2566 unlock_user(p, arg1, 0);
31e31b8a 2567 break;
7a3148a9 2568#endif
31e31b8a 2569 case TARGET_NR_link:
53a5960a
PB		 2570 {
2571 void * p2;
2572 p = lock_user_string(arg1);
2573 p2 = lock_user_string(arg2);
2574 ret = get_errno(link(p, p2));
2575 unlock_user(p2, arg2, 0);
2576 unlock_user(p, arg1, 0);
2577 }
31e31b8a
FB		 2578 break;
2579 case TARGET_NR_unlink:
53a5960a
PB		 2580 p = lock_user_string(arg1);
2581 ret = get_errno(unlink(p));
2582 unlock_user(p, arg1, 0);
31e31b8a 2583 break;
8170f56b
TS		 2584#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
2585 case TARGET_NR_unlinkat:
2586 if (!arg2) {
2587 ret = -EFAULT;
2588 goto fail;
2589 }
2590 p = lock_user_string(arg2);
2591 if (!access_ok(VERIFY_READ, p, 1))
2592 ret = -EFAULT;
2593 else
2594 ret = get_errno(sys_unlinkat(arg1, p, arg3));
2595 if (p)
2596 unlock_user(p, arg2, 0);
2597 break;
2598#endif
31e31b8a 2599 case TARGET_NR_execve:
7854b056
FB		 2600 {
2601 char **argp, **envp;
f7341ff4 2602 int argc, envc;
53a5960a
PB		 2603 target_ulong gp;
2604 target_ulong guest_argp;
2605 target_ulong guest_envp;
2606 target_ulong addr;
7854b056
FB		 2607 char **q;
2608
f7341ff4 2609 argc = 0;
53a5960a
PB		 2610 guest_argp = arg2;
2611 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2612 argc++;
f7341ff4 2613 envc = 0;
53a5960a
PB		 2614 guest_envp = arg3;
2615 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2616 envc++;
2617
f7341ff4
FB		 2618 argp = alloca((argc + 1) * sizeof(void *));
2619 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2620
53a5960a
PB		 2621 for (gp = guest_argp, q = argp; ;
2622 gp += sizeof(target_ulong), q++) {
2623 addr = tgetl(gp);
2624 if (!addr)
2625 break;
2626 *q = lock_user_string(addr);
2627 }
f7341ff4
FB		 2628 *q = NULL;
2629
53a5960a
PB		 2630 for (gp = guest_envp, q = envp; ;
2631 gp += sizeof(target_ulong), q++) {
2632 addr = tgetl(gp);
2633 if (!addr)
2634 break;
2635 *q = lock_user_string(addr);
2636 }
f7341ff4 2637 *q = NULL;
7854b056 2638
53a5960a
PB		 2639 p = lock_user_string(arg1);
2640 ret = get_errno(execve(p, argp, envp));
2641 unlock_user(p, arg1, 0);
2642
2643 for (gp = guest_argp, q = argp; *q;
2644 gp += sizeof(target_ulong), q++) {
2645 addr = tgetl(gp);
2646 unlock_user(*q, addr, 0);
2647 }
2648 for (gp = guest_envp, q = envp; *q;
2649 gp += sizeof(target_ulong), q++) {
2650 addr = tgetl(gp);
2651 unlock_user(*q, addr, 0);
2652 }
7854b056 2653 }
31e31b8a
FB		 2654 break;
2655 case TARGET_NR_chdir:
53a5960a
PB		 2656 p = lock_user_string(arg1);
2657 ret = get_errno(chdir(p));
2658 unlock_user(p, arg1, 0);
31e31b8a 2659 break;
a315a145 2660#ifdef TARGET_NR_time
31e31b8a
FB		 2661 case TARGET_NR_time:
2662 {
53a5960a
PB		 2663 time_t host_time;
2664 ret = get_errno(time(&host_time));
2665 if (!is_error(ret) && arg1)
2666 tputl(arg1, host_time);
31e31b8a
FB		 2667 }
2668 break;
a315a145 2669#endif
31e31b8a 2670 case TARGET_NR_mknod:
53a5960a
PB		 2671 p = lock_user_string(arg1);
2672 ret = get_errno(mknod(p, arg2, arg3));
2673 unlock_user(p, arg1, 0);
31e31b8a 2674 break;
75ac37a0
TS		 2675#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
2676 case TARGET_NR_mknodat:
2677 if (!arg2) {
2678 ret = -EFAULT;
2679 goto fail;
2680 }
2681 p = lock_user_string(arg2);
2682 if (!access_ok(VERIFY_READ, p, 1))
2683 ret = -EFAULT;
2684 else
2685 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
2686 if (p)
2687 unlock_user(p, arg2, 0);
2688 break;
2689#endif
31e31b8a 2690 case TARGET_NR_chmod:
53a5960a
PB		 2691 p = lock_user_string(arg1);
2692 ret = get_errno(chmod(p, arg2));
2693 unlock_user(p, arg1, 0);
31e31b8a 2694 break;
ebc05488 2695#ifdef TARGET_NR_break
31e31b8a
FB		 2696 case TARGET_NR_break:
2697 goto unimplemented;
ebc05488
FB		 2698#endif
2699#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2700 case TARGET_NR_oldstat:
2701 goto unimplemented;
ebc05488 2702#endif
31e31b8a
FB		 2703 case TARGET_NR_lseek:
2704 ret = get_errno(lseek(arg1, arg2, arg3));
2705 break;
7a3148a9
JM		 2706#ifdef TARGET_NR_getxpid
2707 case TARGET_NR_getxpid:
2708#else
31e31b8a 2709 case TARGET_NR_getpid:
7a3148a9 2710#endif
31e31b8a
FB		 2711 ret = get_errno(getpid());
2712 break;
2713 case TARGET_NR_mount:
80265918
TS		 2714 {
2715 /* need to look at the data field */
2716 void *p2, *p3;
2717 p = lock_user_string(arg1);
2718 p2 = lock_user_string(arg2);
2719 p3 = lock_user_string(arg3);
2720 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2721 unlock_user(p, arg1, 0);
2722 unlock_user(p2, arg2, 0);
2723 unlock_user(p3, arg3, 0);
2724 break;
2725 }
e5febef5 2726#ifdef TARGET_NR_umount
31e31b8a 2727 case TARGET_NR_umount:
53a5960a
PB		 2728 p = lock_user_string(arg1);
2729 ret = get_errno(umount(p));
2730 unlock_user(p, arg1, 0);
31e31b8a 2731 break;
e5febef5 2732#endif
7a3148a9 2733#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 2734 case TARGET_NR_stime:
2735 {
53a5960a
PB		 2736 time_t host_time;
2737 host_time = tgetl(arg1);
2738 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2739 }
2740 break;
7a3148a9 2741#endif
31e31b8a
FB		 2742 case TARGET_NR_ptrace:
2743 goto unimplemented;
7a3148a9 2744#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 2745 case TARGET_NR_alarm:
2746 ret = alarm(arg1);
2747 break;
7a3148a9 2748#endif
ebc05488 2749#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2750 case TARGET_NR_oldfstat:
2751 goto unimplemented;
ebc05488 2752#endif
7a3148a9 2753#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 2754 case TARGET_NR_pause:
2755 ret = get_errno(pause());
2756 break;
7a3148a9 2757#endif
e5febef5 2758#ifdef TARGET_NR_utime
31e31b8a 2759 case TARGET_NR_utime:
ebc05488 2760 {
53a5960a
PB		 2761 struct utimbuf tbuf, *host_tbuf;
2762 struct target_utimbuf *target_tbuf;
2763 if (arg2) {
2764 lock_user_struct(target_tbuf, arg2, 1);
2765 tbuf.actime = tswapl(target_tbuf->actime);
2766 tbuf.modtime = tswapl(target_tbuf->modtime);
2767 unlock_user_struct(target_tbuf, arg2, 0);
2768 host_tbuf = &tbuf;
f72e8ff4 2769 } else {
53a5960a 2770 host_tbuf = NULL;
f72e8ff4 2771 }
53a5960a
PB		 2772 p = lock_user_string(arg1);
2773 ret = get_errno(utime(p, host_tbuf));
2774 unlock_user(p, arg1, 0);
ebc05488
FB		 2775 }
2776 break;
e5febef5 2777#endif
978a66ff
FB		 2778 case TARGET_NR_utimes:
2779 {
978a66ff 2780 struct timeval *tvp, tv[2];
53a5960a
PB		 2781 if (arg2) {
2782 target_to_host_timeval(&tv[0], arg2);
2783 target_to_host_timeval(&tv[1],
2784 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2785 tvp = tv;
2786 } else {
2787 tvp = NULL;
2788 }
53a5960a
PB		 2789 p = lock_user_string(arg1);
2790 ret = get_errno(utimes(p, tvp));
2791 unlock_user(p, arg1, 0);
978a66ff
FB		 2792 }
2793 break;
ebc05488 2794#ifdef TARGET_NR_stty
31e31b8a
FB		 2795 case TARGET_NR_stty:
2796 goto unimplemented;
ebc05488
FB		 2797#endif
2798#ifdef TARGET_NR_gtty
31e31b8a
FB		 2799 case TARGET_NR_gtty:
2800 goto unimplemented;
ebc05488 2801#endif
31e31b8a 2802 case TARGET_NR_access:
53a5960a
PB		 2803 p = lock_user_string(arg1);
2804 ret = get_errno(access(p, arg2));
2805 unlock_user(p, arg1, 0);
31e31b8a 2806 break;
7a3148a9 2807#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 2808 case TARGET_NR_nice:
2809 ret = get_errno(nice(arg1));
2810 break;
7a3148a9 2811#endif
ebc05488 2812#ifdef TARGET_NR_ftime
31e31b8a
FB		 2813 case TARGET_NR_ftime:
2814 goto unimplemented;
ebc05488 2815#endif
31e31b8a 2816 case TARGET_NR_sync:
04369ff2
FB		 2817 sync();
2818 ret = 0;
31e31b8a
FB		 2819 break;
2820 case TARGET_NR_kill:
2821 ret = get_errno(kill(arg1, arg2));
2822 break;
2823 case TARGET_NR_rename:
53a5960a
PB		 2824 {
2825 void *p2;
2826 p = lock_user_string(arg1);
2827 p2 = lock_user_string(arg2);
2828 ret = get_errno(rename(p, p2));
2829 unlock_user(p2, arg2, 0);
2830 unlock_user(p, arg1, 0);
2831 }
31e31b8a
FB		 2832 break;
2833 case TARGET_NR_mkdir:
53a5960a
PB		 2834 p = lock_user_string(arg1);
2835 ret = get_errno(mkdir(p, arg2));
2836 unlock_user(p, arg1, 0);
31e31b8a 2837 break;
4472ad0d
TS		 2838#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
2839 case TARGET_NR_mkdirat:
2840 if (!arg2) {
2841 ret = -EFAULT;
2842 goto fail;
2843 }
2844 p = lock_user_string(arg2);
2845 if (!access_ok(VERIFY_READ, p, 1))
2846 ret = -EFAULT;
2847 else
2848 ret = get_errno(sys_mkdirat(arg1, p, arg3));
2849 if (p)
2850 unlock_user(p, arg2, 0);
2851 break;
2852#endif
31e31b8a 2853 case TARGET_NR_rmdir:
53a5960a
PB		 2854 p = lock_user_string(arg1);
2855 ret = get_errno(rmdir(p));
2856 unlock_user(p, arg1, 0);
31e31b8a
FB		 2857 break;
2858 case TARGET_NR_dup:
2859 ret = get_errno(dup(arg1));
2860 break;
2861 case TARGET_NR_pipe:
2862 {
53a5960a
PB		 2863 int host_pipe[2];
2864 ret = get_errno(pipe(host_pipe));
31e31b8a 2865 if (!is_error(ret)) {
c12ab05c 2866#if defined(TARGET_MIPS)
ead9360e
TS		 2867 CPUMIPSState *env = (CPUMIPSState*)cpu_env;
2868 env->gpr[3][env->current_tc] = host_pipe[1];
c12ab05c
TS		 2869 ret = host_pipe[0];
2870#else
53a5960a
PB		 2871 tput32(arg1, host_pipe[0]);
2872 tput32(arg1 + 4, host_pipe[1]);
c12ab05c 2873#endif
31e31b8a
FB		 2874 }
2875 }
2876 break;
2877 case TARGET_NR_times:
32f36bce 2878 {
53a5960a 2879 struct target_tms *tmsp;
32f36bce
FB		 2880 struct tms tms;
2881 ret = get_errno(times(&tms));
53a5960a
PB		 2882 if (arg1) {
2883 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2884 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2885 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2886 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2887 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2888 }
c596ed17
FB		 2889 if (!is_error(ret))
2890 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2891 }
2892 break;
ebc05488 2893#ifdef TARGET_NR_prof
31e31b8a
FB		 2894 case TARGET_NR_prof:
2895 goto unimplemented;
ebc05488 2896#endif
e5febef5 2897#ifdef TARGET_NR_signal
31e31b8a
FB		 2898 case TARGET_NR_signal:
2899 goto unimplemented;
e5febef5 2900#endif
31e31b8a 2901 case TARGET_NR_acct:
24836689
PB		 2902 p = lock_user_string(arg1);
2903 ret = get_errno(acct(path(p)));
2904 unlock_user(p, arg1, 0);
2905 break;
7a3148a9 2906#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 2907 case TARGET_NR_umount2:
53a5960a
PB		 2908 p = lock_user_string(arg1);
2909 ret = get_errno(umount2(p, arg2));
2910 unlock_user(p, arg1, 0);
31e31b8a 2911 break;
7a3148a9 2912#endif
ebc05488 2913#ifdef TARGET_NR_lock
31e31b8a
FB		 2914 case TARGET_NR_lock:
2915 goto unimplemented;
ebc05488 2916#endif
31e31b8a
FB		 2917 case TARGET_NR_ioctl:
2918 ret = do_ioctl(arg1, arg2, arg3);
2919 break;
2920 case TARGET_NR_fcntl:
7775e9ec 2921 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 2922 break;
ebc05488 2923#ifdef TARGET_NR_mpx
31e31b8a
FB		 2924 case TARGET_NR_mpx:
2925 goto unimplemented;
ebc05488 2926#endif
31e31b8a
FB		 2927 case TARGET_NR_setpgid:
2928 ret = get_errno(setpgid(arg1, arg2));
2929 break;
ebc05488 2930#ifdef TARGET_NR_ulimit
31e31b8a
FB		 2931 case TARGET_NR_ulimit:
2932 goto unimplemented;
ebc05488
FB		 2933#endif
2934#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 2935 case TARGET_NR_oldolduname:
2936 goto unimplemented;
ebc05488 2937#endif
31e31b8a
FB		 2938 case TARGET_NR_umask:
2939 ret = get_errno(umask(arg1));
2940 break;
2941 case TARGET_NR_chroot:
53a5960a
PB		 2942 p = lock_user_string(arg1);
2943 ret = get_errno(chroot(p));
2944 unlock_user(p, arg1, 0);
31e31b8a
FB		 2945 break;
2946 case TARGET_NR_ustat:
2947 goto unimplemented;
2948 case TARGET_NR_dup2:
2949 ret = get_errno(dup2(arg1, arg2));
2950 break;
7a3148a9 2951#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 2952 case TARGET_NR_getppid:
2953 ret = get_errno(getppid());
2954 break;
7a3148a9 2955#endif
31e31b8a
FB		 2956 case TARGET_NR_getpgrp:
2957 ret = get_errno(getpgrp());
2958 break;
2959 case TARGET_NR_setsid:
2960 ret = get_errno(setsid());
2961 break;
e5febef5 2962#ifdef TARGET_NR_sigaction
31e31b8a 2963 case TARGET_NR_sigaction:
31e31b8a 2964 {
388bb21a 2965#if !defined(TARGET_MIPS)
53a5960a 2966 struct target_old_sigaction *old_act;
66fb9763 2967 struct target_sigaction act, oact, *pact;
53a5960a
PB		 2968 if (arg2) {
2969 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 2970 act._sa_handler = old_act->_sa_handler;
2971 target_siginitset(&act.sa_mask, old_act->sa_mask);
2972 act.sa_flags = old_act->sa_flags;
2973 act.sa_restorer = old_act->sa_restorer;
53a5960a 2974 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 2975 pact = &act;
2976 } else {
2977 pact = NULL;
2978 }
2979 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 2980 if (!is_error(ret) && arg3) {
2981 lock_user_struct(old_act, arg3, 0);
2982 old_act->_sa_handler = oact._sa_handler;
2983 old_act->sa_mask = oact.sa_mask.sig[0];
2984 old_act->sa_flags = oact.sa_flags;
2985 old_act->sa_restorer = oact.sa_restorer;
2986 unlock_user_struct(old_act, arg3, 1);
66fb9763 2987 }
388bb21a 2988#else
106ec879
FB		 2989 struct target_sigaction act, oact, *pact, *old_act;
2990
2991 if (arg2) {
2992 lock_user_struct(old_act, arg2, 1);
2993 act._sa_handler = old_act->_sa_handler;
2994 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2995 act.sa_flags = old_act->sa_flags;
2996 unlock_user_struct(old_act, arg2, 0);
2997 pact = &act;
2998 } else {
2999 pact = NULL;
3000 }
3001
3002 ret = get_errno(do_sigaction(arg1, pact, &oact));
3003
3004 if (!is_error(ret) && arg3) {
3005 lock_user_struct(old_act, arg3, 0);
3006 old_act->_sa_handler = oact._sa_handler;
3007 old_act->sa_flags = oact.sa_flags;
3008 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
3009 old_act->sa_mask.sig[1] = 0;
3010 old_act->sa_mask.sig[2] = 0;
3011 old_act->sa_mask.sig[3] = 0;
3012 unlock_user_struct(old_act, arg3, 1);
3013 }
388bb21a 3014#endif
31e31b8a
FB		 3015 }
3016 break;
e5febef5 3017#endif
66fb9763 3018 case TARGET_NR_rt_sigaction:
53a5960a
PB		 3019 {
3020 struct target_sigaction *act;
3021 struct target_sigaction *oact;
3022
3023 if (arg2)
3024 lock_user_struct(act, arg2, 1);
3025 else
3026 act = NULL;
3027 if (arg3)
3028 lock_user_struct(oact, arg3, 0);
3029 else
3030 oact = NULL;
3031 ret = get_errno(do_sigaction(arg1, act, oact));
3032 if (arg2)
3033 unlock_user_struct(act, arg2, 0);
3034 if (arg3)
3035 unlock_user_struct(oact, arg3, 1);
3036 }
66fb9763 3037 break;
7a3148a9 3038#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 3039 case TARGET_NR_sgetmask:
66fb9763
FB		 3040 {
3041 sigset_t cur_set;
3042 target_ulong target_set;
3043 sigprocmask(0, NULL, &cur_set);
3044 host_to_target_old_sigset(&target_set, &cur_set);
3045 ret = target_set;
3046 }
3047 break;
7a3148a9
JM		 3048#endif
3049#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 3050 case TARGET_NR_ssetmask:
66fb9763
FB		 3051 {
3052 sigset_t set, oset, cur_set;
3053 target_ulong target_set = arg1;
3054 sigprocmask(0, NULL, &cur_set);
3055 target_to_host_old_sigset(&set, &target_set);
3056 sigorset(&set, &set, &cur_set);
3057 sigprocmask(SIG_SETMASK, &set, &oset);
3058 host_to_target_old_sigset(&target_set, &oset);
3059 ret = target_set;
3060 }
3061 break;
7a3148a9 3062#endif
e5febef5 3063#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 3064 case TARGET_NR_sigprocmask:
3065 {
3066 int how = arg1;
3067 sigset_t set, oldset, *set_ptr;
3b46e624 3068
53a5960a 3069 if (arg2) {
66fb9763
FB		 3070 switch(how) {
3071 case TARGET_SIG_BLOCK:
3072 how = SIG_BLOCK;
3073 break;
3074 case TARGET_SIG_UNBLOCK:
3075 how = SIG_UNBLOCK;
3076 break;
3077 case TARGET_SIG_SETMASK:
3078 how = SIG_SETMASK;
3079 break;
3080 default:
3081 ret = -EINVAL;
3082 goto fail;
3083 }
53a5960a
PB		 3084 p = lock_user(arg2, sizeof(target_sigset_t), 1);
3085 target_to_host_old_sigset(&set, p);
3086 unlock_user(p, arg2, 0);
66fb9763
FB		 3087 set_ptr = &set;
3088 } else {
3089 how = 0;
3090 set_ptr = NULL;
3091 }
3092 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 3093 if (!is_error(ret) && arg3) {
3094 p = lock_user(arg3, sizeof(target_sigset_t), 0);
3095 host_to_target_old_sigset(p, &oldset);
3096 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 3097 }
3098 }
3099 break;
e5febef5 3100#endif
66fb9763
FB		 3101 case TARGET_NR_rt_sigprocmask:
3102 {
3103 int how = arg1;
3104 sigset_t set, oldset, *set_ptr;
3b46e624 3105
53a5960a 3106 if (arg2) {
66fb9763
FB		 3107 switch(how) {
3108 case TARGET_SIG_BLOCK:
3109 how = SIG_BLOCK;
3110 break;
3111 case TARGET_SIG_UNBLOCK:
3112 how = SIG_UNBLOCK;
3113 break;
3114 case TARGET_SIG_SETMASK:
3115 how = SIG_SETMASK;
3116 break;
3117 default:
3118 ret = -EINVAL;
3119 goto fail;
3120 }
53a5960a
PB		 3121 p = lock_user(arg2, sizeof(target_sigset_t), 1);
3122 target_to_host_sigset(&set, p);
3123 unlock_user(p, arg2, 0);
66fb9763
FB		 3124 set_ptr = &set;
3125 } else {
3126 how = 0;
3127 set_ptr = NULL;
3128 }
3129 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 3130 if (!is_error(ret) && arg3) {
3131 p = lock_user(arg3, sizeof(target_sigset_t), 0);
3132 host_to_target_sigset(p, &oldset);
3133 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 3134 }
3135 }
3136 break;
e5febef5 3137#ifdef TARGET_NR_sigpending
66fb9763
FB		 3138 case TARGET_NR_sigpending:
3139 {
3140 sigset_t set;
3141 ret = get_errno(sigpending(&set));
3142 if (!is_error(ret)) {
53a5960a
PB		 3143 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3144 host_to_target_old_sigset(p, &set);
3145 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3146 }
3147 }
3148 break;
e5febef5 3149#endif
66fb9763
FB		 3150 case TARGET_NR_rt_sigpending:
3151 {
3152 sigset_t set;
3153 ret = get_errno(sigpending(&set));
3154 if (!is_error(ret)) {
53a5960a
PB		 3155 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3156 host_to_target_sigset(p, &set);
3157 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3158 }
3159 }
3160 break;
e5febef5 3161#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 3162 case TARGET_NR_sigsuspend:
3163 {
3164 sigset_t set;
53a5960a
PB		 3165 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3166 target_to_host_old_sigset(&set, p);
3167 unlock_user(p, arg1, 0);
66fb9763
FB		 3168 ret = get_errno(sigsuspend(&set));
3169 }
3170 break;
e5febef5 3171#endif
66fb9763
FB		 3172 case TARGET_NR_rt_sigsuspend:
3173 {
3174 sigset_t set;
53a5960a
PB		 3175 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3176 target_to_host_sigset(&set, p);
3177 unlock_user(p, arg1, 0);
66fb9763
FB		 3178 ret = get_errno(sigsuspend(&set));
3179 }
3180 break;
3181 case TARGET_NR_rt_sigtimedwait:
3182 {
66fb9763
FB		 3183 sigset_t set;
3184 struct timespec uts, *puts;
3185 siginfo_t uinfo;
3b46e624 3186
53a5960a
PB		 3187 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3188 target_to_host_sigset(&set, p);
3189 unlock_user(p, arg1, 0);
3190 if (arg3) {
66fb9763 3191 puts = &uts;
53a5960a 3192 target_to_host_timespec(puts, arg3);
66fb9763
FB		 3193 } else {
3194 puts = NULL;
3195 }
3196 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 3197 if (!is_error(ret) && arg2) {
3198 p = lock_user(arg2, sizeof(target_sigset_t), 0);
3199 host_to_target_siginfo(p, &uinfo);
3200 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 3201 }
3202 }
3203 break;
3204 case TARGET_NR_rt_sigqueueinfo:
3205 {
3206 siginfo_t uinfo;
53a5960a
PB		 3207 p = lock_user(arg3, sizeof(target_sigset_t), 1);
3208 target_to_host_siginfo(&uinfo, p);
3209 unlock_user(p, arg1, 0);
66fb9763
FB		 3210 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3211 }
3212 break;
e5febef5 3213#ifdef TARGET_NR_sigreturn
66fb9763
FB		 3214 case TARGET_NR_sigreturn:
3215 /* NOTE: ret is eax, so not transcoding must be done */
3216 ret = do_sigreturn(cpu_env);
3217 break;
e5febef5 3218#endif
66fb9763
FB		 3219 case TARGET_NR_rt_sigreturn:
3220 /* NOTE: ret is eax, so not transcoding must be done */
3221 ret = do_rt_sigreturn(cpu_env);
3222 break;
31e31b8a 3223 case TARGET_NR_sethostname:
53a5960a
PB		 3224 p = lock_user_string(arg1);
3225 ret = get_errno(sethostname(p, arg2));
3226 unlock_user(p, arg1, 0);
31e31b8a
FB		 3227 break;
3228 case TARGET_NR_setrlimit:
9de5e440
FB		 3229 {
3230 /* XXX: convert resource ? */
3231 int resource = arg1;
53a5960a 3232 struct target_rlimit *target_rlim;
9de5e440 3233 struct rlimit rlim;
53a5960a 3234 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3235 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3236 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 3237 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 3238 ret = get_errno(setrlimit(resource, &rlim));
3239 }
3240 break;
31e31b8a 3241 case TARGET_NR_getrlimit:
9de5e440
FB		 3242 {
3243 /* XXX: convert resource ? */
3244 int resource = arg1;
53a5960a 3245 struct target_rlimit *target_rlim;
9de5e440 3246 struct rlimit rlim;
3b46e624 3247
9de5e440
FB		 3248 ret = get_errno(getrlimit(resource, &rlim));
3249 if (!is_error(ret)) {
53a5960a
PB		 3250 lock_user_struct(target_rlim, arg2, 0);
3251 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3252 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3253 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3254 }
3255 }
3256 break;
31e31b8a 3257 case TARGET_NR_getrusage:
b409186b
FB		 3258 {
3259 struct rusage rusage;
b409186b
FB		 3260 ret = get_errno(getrusage(arg1, &rusage));
3261 if (!is_error(ret)) {
53a5960a 3262 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 3263 }
3264 }
3265 break;
31e31b8a
FB		 3266 case TARGET_NR_gettimeofday:
3267 {
31e31b8a
FB		 3268 struct timeval tv;
3269 ret = get_errno(gettimeofday(&tv, NULL));
3270 if (!is_error(ret)) {
53a5960a 3271 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 3272 }
3273 }
3274 break;
3275 case TARGET_NR_settimeofday:
3276 {
31e31b8a 3277 struct timeval tv;
53a5960a 3278 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 3279 ret = get_errno(settimeofday(&tv, NULL));
3280 }
3281 break;
048f6b4d 3282#ifdef TARGET_NR_select
31e31b8a 3283 case TARGET_NR_select:
f2674e31 3284 {
53a5960a
PB		 3285 struct target_sel_arg_struct *sel;
3286 target_ulong inp, outp, exp, tvp;
3287 long nsel;
3288
3289 lock_user_struct(sel, arg1, 1);
3290 nsel = tswapl(sel->n);
3291 inp = tswapl(sel->inp);
3292 outp = tswapl(sel->outp);
3293 exp = tswapl(sel->exp);
3294 tvp = tswapl(sel->tvp);
3295 unlock_user_struct(sel, arg1, 0);
3296 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 3297 }
3298 break;
048f6b4d 3299#endif
31e31b8a 3300 case TARGET_NR_symlink:
53a5960a
PB		 3301 {
3302 void *p2;
3303 p = lock_user_string(arg1);
3304 p2 = lock_user_string(arg2);
3305 ret = get_errno(symlink(p, p2));
3306 unlock_user(p2, arg2, 0);
3307 unlock_user(p, arg1, 0);
3308 }
31e31b8a 3309 break;
ebc05488 3310#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 3311 case TARGET_NR_oldlstat:
3312 goto unimplemented;
ebc05488 3313#endif
31e31b8a 3314 case TARGET_NR_readlink:
53a5960a
PB		 3315 {
3316 void *p2;
3317 p = lock_user_string(arg1);
3318 p2 = lock_user(arg2, arg3, 0);
3319 ret = get_errno(readlink(path(p), p2, arg3));
3320 unlock_user(p2, arg2, ret);
3321 unlock_user(p, arg1, 0);
3322 }
31e31b8a 3323 break;
e5febef5 3324#ifdef TARGET_NR_uselib
31e31b8a
FB		 3325 case TARGET_NR_uselib:
3326 goto unimplemented;
e5febef5
TS		 3327#endif
3328#ifdef TARGET_NR_swapon
31e31b8a 3329 case TARGET_NR_swapon:
53a5960a
PB		 3330 p = lock_user_string(arg1);
3331 ret = get_errno(swapon(p, arg2));
3332 unlock_user(p, arg1, 0);
31e31b8a 3333 break;
e5febef5 3334#endif
31e31b8a
FB		 3335 case TARGET_NR_reboot:
3336 goto unimplemented;
e5febef5 3337#ifdef TARGET_NR_readdir
31e31b8a
FB		 3338 case TARGET_NR_readdir:
3339 goto unimplemented;
e5febef5
TS		 3340#endif
3341#ifdef TARGET_NR_mmap
31e31b8a 3342 case TARGET_NR_mmap:
e6e5906b 3343#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 3344 {
53a5960a
PB		 3345 target_ulong *v;
3346 target_ulong v1, v2, v3, v4, v5, v6;
3347 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
3348 v1 = tswapl(v[0]);
3349 v2 = tswapl(v[1]);
3350 v3 = tswapl(v[2]);
3351 v4 = tswapl(v[3]);
3352 v5 = tswapl(v[4]);
3353 v6 = tswapl(v[5]);
3354 unlock_user(v, arg1, 0);
5fafdf24 3355 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 3356 target_to_host_bitmask(v4, mmap_flags_tbl),
3357 v5, v6));
31e31b8a 3358 }
31e31b8a 3359#else
5fafdf24
TS		 3360 ret = get_errno(target_mmap(arg1, arg2, arg3,
3361 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 3362 arg5,
3363 arg6));
31e31b8a 3364#endif
6fb883e8 3365 break;
e5febef5 3366#endif
a315a145 3367#ifdef TARGET_NR_mmap2
6fb883e8 3368 case TARGET_NR_mmap2:
0d3267a7 3369#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 3370#define MMAP_SHIFT 12
3371#else
3372#define MMAP_SHIFT TARGET_PAGE_BITS
3373#endif
5fafdf24
TS		 3374 ret = get_errno(target_mmap(arg1, arg2, arg3,
3375 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 3376 arg5,
c573ff67 3377 arg6 << MMAP_SHIFT));
31e31b8a 3378 break;
a315a145 3379#endif
31e31b8a 3380 case TARGET_NR_munmap:
54936004 3381 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 3382 break;
9de5e440 3383 case TARGET_NR_mprotect:
54936004 3384 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 3385 break;
e5febef5 3386#ifdef TARGET_NR_mremap
9de5e440 3387 case TARGET_NR_mremap:
54936004 3388 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 3389 break;
e5febef5 3390#endif
53a5960a 3391 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 3392#ifdef TARGET_NR_msync
9de5e440 3393 case TARGET_NR_msync:
53a5960a 3394 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 3395 break;
e5febef5
TS		 3396#endif
3397#ifdef TARGET_NR_mlock
9de5e440 3398 case TARGET_NR_mlock:
53a5960a 3399 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 3400 break;
e5febef5
TS		 3401#endif
3402#ifdef TARGET_NR_munlock
9de5e440 3403 case TARGET_NR_munlock:
53a5960a 3404 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 3405 break;
e5febef5
TS		 3406#endif
3407#ifdef TARGET_NR_mlockall
9de5e440
FB		 3408 case TARGET_NR_mlockall:
3409 ret = get_errno(mlockall(arg1));
3410 break;
e5febef5
TS		 3411#endif
3412#ifdef TARGET_NR_munlockall
9de5e440
FB		 3413 case TARGET_NR_munlockall:
3414 ret = get_errno(munlockall());
3415 break;
e5febef5 3416#endif
31e31b8a 3417 case TARGET_NR_truncate:
53a5960a
PB		 3418 p = lock_user_string(arg1);
3419 ret = get_errno(truncate(p, arg2));
3420 unlock_user(p, arg1, 0);
31e31b8a
FB		 3421 break;
3422 case TARGET_NR_ftruncate:
3423 ret = get_errno(ftruncate(arg1, arg2));
3424 break;
3425 case TARGET_NR_fchmod:
3426 ret = get_errno(fchmod(arg1, arg2));
3427 break;
31e31b8a
FB		 3428 case TARGET_NR_getpriority:
3429 ret = get_errno(getpriority(arg1, arg2));
3430 break;
3431 case TARGET_NR_setpriority:
3432 ret = get_errno(setpriority(arg1, arg2, arg3));
3433 break;
ebc05488 3434#ifdef TARGET_NR_profil
31e31b8a
FB		 3435 case TARGET_NR_profil:
3436 goto unimplemented;
ebc05488 3437#endif
31e31b8a 3438 case TARGET_NR_statfs:
53a5960a
PB		 3439 p = lock_user_string(arg1);
3440 ret = get_errno(statfs(path(p), &stfs));
3441 unlock_user(p, arg1, 0);
31e31b8a
FB		 3442 convert_statfs:
3443 if (!is_error(ret)) {
53a5960a 3444 struct target_statfs *target_stfs;
3b46e624 3445
53a5960a
PB		 3446 lock_user_struct(target_stfs, arg2, 0);
3447 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3448 put_user(stfs.f_type, &target_stfs->f_type);
3449 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3450 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3451 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3452 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3453 put_user(stfs.f_files, &target_stfs->f_files);
3454 put_user(stfs.f_ffree, &target_stfs->f_ffree);
4ce6f8de
TS		 3455 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
3456 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
56c8f68f 3457 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3458 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 3459 }
3460 break;
3461 case TARGET_NR_fstatfs:
56c8f68f 3462 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 3463 goto convert_statfs;
56c8f68f
FB		 3464#ifdef TARGET_NR_statfs64
3465 case TARGET_NR_statfs64:
53a5960a
PB		 3466 p = lock_user_string(arg1);
3467 ret = get_errno(statfs(path(p), &stfs));
3468 unlock_user(p, arg1, 0);
56c8f68f
FB		 3469 convert_statfs64:
3470 if (!is_error(ret)) {
53a5960a 3471 struct target_statfs64 *target_stfs;
3b46e624 3472
53a5960a
PB		 3473 lock_user_struct(target_stfs, arg3, 0);
3474 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3475 put_user(stfs.f_type, &target_stfs->f_type);
3476 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3477 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3478 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3479 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3480 put_user(stfs.f_files, &target_stfs->f_files);
3481 put_user(stfs.f_ffree, &target_stfs->f_ffree);
4ce6f8de
TS		 3482 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
3483 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
56c8f68f 3484 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3485 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 3486 }
3487 break;
3488 case TARGET_NR_fstatfs64:
3489 ret = get_errno(fstatfs(arg1, &stfs));
3490 goto convert_statfs64;
3491#endif
ebc05488 3492#ifdef TARGET_NR_ioperm
31e31b8a
FB		 3493 case TARGET_NR_ioperm:
3494 goto unimplemented;
ebc05488 3495#endif
e5febef5 3496#ifdef TARGET_NR_socketcall
31e31b8a 3497 case TARGET_NR_socketcall:
53a5960a 3498 ret = do_socketcall(arg1, arg2);
31e31b8a 3499 break;
e5febef5 3500#endif
3532fa74
FB		 3501#ifdef TARGET_NR_accept
3502 case TARGET_NR_accept:
1be9e1dc 3503 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 3504 break;
3505#endif
3506#ifdef TARGET_NR_bind
3507 case TARGET_NR_bind:
3508 ret = do_bind(arg1, arg2, arg3);
3509 break;
3510#endif
3511#ifdef TARGET_NR_connect
3512 case TARGET_NR_connect:
3513 ret = do_connect(arg1, arg2, arg3);
3514 break;
3515#endif
3516#ifdef TARGET_NR_getpeername
3517 case TARGET_NR_getpeername:
1be9e1dc 3518 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 3519 break;
3520#endif
3521#ifdef TARGET_NR_getsockname
3522 case TARGET_NR_getsockname:
1be9e1dc 3523 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 3524 break;
3525#endif
3526#ifdef TARGET_NR_getsockopt
3527 case TARGET_NR_getsockopt:
3528 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
3529 break;
3530#endif
3531#ifdef TARGET_NR_listen
3532 case TARGET_NR_listen:
1be9e1dc 3533 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 3534 break;
3535#endif
3536#ifdef TARGET_NR_recv
3537 case TARGET_NR_recv:
214201bd 3538 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3539 break;
3540#endif
3541#ifdef TARGET_NR_recvfrom
3542 case TARGET_NR_recvfrom:
214201bd 3543 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3544 break;
3545#endif
3546#ifdef TARGET_NR_recvmsg
3547 case TARGET_NR_recvmsg:
3548 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3549 break;
3550#endif
3551#ifdef TARGET_NR_send
3552 case TARGET_NR_send:
1be9e1dc 3553 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3554 break;
3555#endif
3556#ifdef TARGET_NR_sendmsg
3557 case TARGET_NR_sendmsg:
3558 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3559 break;
3560#endif
3561#ifdef TARGET_NR_sendto
3562 case TARGET_NR_sendto:
1be9e1dc 3563 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3564 break;
3565#endif
3566#ifdef TARGET_NR_shutdown
3567 case TARGET_NR_shutdown:
1be9e1dc 3568 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 3569 break;
3570#endif
3571#ifdef TARGET_NR_socket
3572 case TARGET_NR_socket:
3573 ret = do_socket(arg1, arg2, arg3);
3574 break;
3575#endif
3576#ifdef TARGET_NR_socketpair
3577 case TARGET_NR_socketpair:
1be9e1dc 3578 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 3579 break;
3580#endif
3581#ifdef TARGET_NR_setsockopt
3582 case TARGET_NR_setsockopt:
3583 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3584 break;
3585#endif
7494b0f9 3586
31e31b8a 3587 case TARGET_NR_syslog:
e5574487
TS		 3588 p = lock_user_string(arg2);
3589 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3590 unlock_user(p, arg2, 0);
7494b0f9
TS		 3591 break;
3592
31e31b8a 3593 case TARGET_NR_setitimer:
66fb9763 3594 {
66fb9763
FB		 3595 struct itimerval value, ovalue, *pvalue;
3596
53a5960a 3597 if (arg2) {
66fb9763 3598 pvalue = &value;
5fafdf24 3599 target_to_host_timeval(&pvalue->it_interval,
53a5960a 3600 arg2);
5fafdf24 3601 target_to_host_timeval(&pvalue->it_value,
53a5960a 3602 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 3603 } else {
3604 pvalue = NULL;
3605 }
3606 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 3607 if (!is_error(ret) && arg3) {
3608 host_to_target_timeval(arg3,
66fb9763 3609 &ovalue.it_interval);
53a5960a 3610 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 3611 &ovalue.it_value);
3612 }
3613 }
3614 break;
31e31b8a 3615 case TARGET_NR_getitimer:
66fb9763 3616 {
66fb9763 3617 struct itimerval value;
3b46e624 3618
66fb9763 3619 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 3620 if (!is_error(ret) && arg2) {
3621 host_to_target_timeval(arg2,
66fb9763 3622 &value.it_interval);
53a5960a 3623 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 3624 &value.it_value);
3625 }
3626 }
3627 break;
31e31b8a 3628 case TARGET_NR_stat:
53a5960a
PB		 3629 p = lock_user_string(arg1);
3630 ret = get_errno(stat(path(p), &st));
3631 unlock_user(p, arg1, 0);
31e31b8a
FB		 3632 goto do_stat;
3633 case TARGET_NR_lstat:
53a5960a
PB		 3634 p = lock_user_string(arg1);
3635 ret = get_errno(lstat(path(p), &st));
3636 unlock_user(p, arg1, 0);
31e31b8a
FB		 3637 goto do_stat;
3638 case TARGET_NR_fstat:
3639 {
3640 ret = get_errno(fstat(arg1, &st));
3641 do_stat:
3642 if (!is_error(ret)) {
53a5960a 3643 struct target_stat *target_st;
e3584658 3644
53a5960a 3645 lock_user_struct(target_st, arg2, 0);
1b8dd648 3646#if defined(TARGET_MIPS) || defined(TARGET_SPARC64)
e3584658
TS		 3647 target_st->st_dev = tswap32(st.st_dev);
3648#else
31e31b8a 3649 target_st->st_dev = tswap16(st.st_dev);
e3584658 3650#endif
31e31b8a 3651 target_st->st_ino = tswapl(st.st_ino);
7d600c80 3652#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 3653 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3654 target_st->st_uid = tswap32(st.st_uid);
3655 target_st->st_gid = tswap32(st.st_gid);
1b8dd648
BS		 3656#elif defined(TARGET_SPARC64)
3657 target_st->st_mode = tswap32(st.st_mode);
3658 target_st->st_uid = tswap32(st.st_uid);
3659 target_st->st_gid = tswap32(st.st_gid);
67867308 3660#else
ec86b0fb 3661 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 3662 target_st->st_uid = tswap16(st.st_uid);
3663 target_st->st_gid = tswap16(st.st_gid);
67867308 3664#endif
e3584658
TS		 3665#if defined(TARGET_MIPS)
3666 /* If this is the same on PPC, then just merge w/ the above ifdef */
3667 target_st->st_nlink = tswapl(st.st_nlink);
3668 target_st->st_rdev = tswapl(st.st_rdev);
1b8dd648
BS		 3669#elif defined(TARGET_SPARC64)
3670 target_st->st_nlink = tswap32(st.st_nlink);
3671 target_st->st_rdev = tswap32(st.st_rdev);
e3584658 3672#else
67867308 3673 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a 3674 target_st->st_rdev = tswap16(st.st_rdev);
e3584658 3675#endif
31e31b8a
FB		 3676 target_st->st_size = tswapl(st.st_size);
3677 target_st->st_blksize = tswapl(st.st_blksize);
3678 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 3679 target_st->target_st_atime = tswapl(st.st_atime);
3680 target_st->target_st_mtime = tswapl(st.st_mtime);
3681 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 3682 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 3683 }
3684 }
3685 break;
ebc05488 3686#ifdef TARGET_NR_olduname
31e31b8a
FB		 3687 case TARGET_NR_olduname:
3688 goto unimplemented;
ebc05488
FB		 3689#endif
3690#ifdef TARGET_NR_iopl
31e31b8a
FB		 3691 case TARGET_NR_iopl:
3692 goto unimplemented;
ebc05488 3693#endif
31e31b8a
FB		 3694 case TARGET_NR_vhangup:
3695 ret = get_errno(vhangup());
3696 break;
ebc05488 3697#ifdef TARGET_NR_idle
31e31b8a
FB		 3698 case TARGET_NR_idle:
3699 goto unimplemented;
42ad6ae9
FB		 3700#endif
3701#ifdef TARGET_NR_syscall
3702 case TARGET_NR_syscall:
3703 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3704 break;
ebc05488 3705#endif
31e31b8a
FB		 3706 case TARGET_NR_wait4:
3707 {
3708 int status;
53a5960a 3709 target_long status_ptr = arg2;
31e31b8a 3710 struct rusage rusage, *rusage_ptr;
53a5960a 3711 target_ulong target_rusage = arg4;
31e31b8a
FB		 3712 if (target_rusage)
3713 rusage_ptr = &rusage;
3714 else
3715 rusage_ptr = NULL;
3716 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3717 if (!is_error(ret)) {
3718 if (status_ptr)
53a5960a 3719 tputl(status_ptr, status);
31e31b8a 3720 if (target_rusage) {
b409186b 3721 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3722 }
3723 }
3724 }
3725 break;
e5febef5 3726#ifdef TARGET_NR_swapoff
31e31b8a 3727 case TARGET_NR_swapoff:
53a5960a
PB		 3728 p = lock_user_string(arg1);
3729 ret = get_errno(swapoff(p));
3730 unlock_user(p, arg1, 0);
31e31b8a 3731 break;
e5febef5 3732#endif
31e31b8a 3733 case TARGET_NR_sysinfo:
a5448a7d 3734 {
53a5960a 3735 struct target_sysinfo *target_value;
a5448a7d
FB		 3736 struct sysinfo value;
3737 ret = get_errno(sysinfo(&value));
53a5960a 3738 if (!is_error(ret) && arg1)
a5448a7d 3739 {
53a5960a
PB		 3740 /* ??? __put_user is probably wrong. */
3741 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3742 __put_user(value.uptime, &target_value->uptime);
3743 __put_user(value.loads[0], &target_value->loads[0]);
3744 __put_user(value.loads[1], &target_value->loads[1]);
3745 __put_user(value.loads[2], &target_value->loads[2]);
3746 __put_user(value.totalram, &target_value->totalram);
3747 __put_user(value.freeram, &target_value->freeram);
3748 __put_user(value.sharedram, &target_value->sharedram);
3749 __put_user(value.bufferram, &target_value->bufferram);
3750 __put_user(value.totalswap, &target_value->totalswap);
3751 __put_user(value.freeswap, &target_value->freeswap);
3752 __put_user(value.procs, &target_value->procs);
3753 __put_user(value.totalhigh, &target_value->totalhigh);
3754 __put_user(value.freehigh, &target_value->freehigh);
3755 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3756 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3757 }
3758 }
3759 break;
e5febef5 3760#ifdef TARGET_NR_ipc
31e31b8a 3761 case TARGET_NR_ipc:
8853f86e
FB		 3762 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3763 break;
e5febef5 3764#endif
31e31b8a
FB		 3765 case TARGET_NR_fsync:
3766 ret = get_errno(fsync(arg1));
3767 break;
31e31b8a 3768 case TARGET_NR_clone:
1b6b029e
FB		 3769 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3770 break;
ec86b0fb
FB		 3771#ifdef __NR_exit_group
3772 /* new thread calls */
3773 case TARGET_NR_exit_group:
e9009676 3774 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3775 ret = get_errno(exit_group(arg1));
3776 break;
3777#endif
31e31b8a 3778 case TARGET_NR_setdomainname:
53a5960a
PB		 3779 p = lock_user_string(arg1);
3780 ret = get_errno(setdomainname(p, arg2));
3781 unlock_user(p, arg1, 0);
31e31b8a
FB		 3782 break;
3783 case TARGET_NR_uname:
3784 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3785 {
3786 struct new_utsname * buf;
3b46e624 3787
53a5960a 3788 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3789 ret = get_errno(sys_uname(buf));
3790 if (!is_error(ret)) {
3791 /* Overrite the native machine name with whatever is being
3792 emulated. */
3793 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3794 /* Allow the user to override the reported release. */
3795 if (qemu_uname_release && *qemu_uname_release)
3796 strcpy (buf->release, qemu_uname_release);
29e619b1 3797 }
53a5960a 3798 unlock_user_struct(buf, arg1, 1);
29e619b1 3799 }
31e31b8a 3800 break;
6dbad63e 3801#ifdef TARGET_I386
31e31b8a 3802 case TARGET_NR_modify_ldt:
53a5960a 3803 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b 3804 break;
84409ddb 3805#if !defined(TARGET_X86_64)
5cd4393b
FB		 3806 case TARGET_NR_vm86old:
3807 goto unimplemented;
3808 case TARGET_NR_vm86:
53a5960a 3809 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 3810 break;
84409ddb 3811#endif
6dbad63e 3812#endif
31e31b8a
FB		 3813 case TARGET_NR_adjtimex:
3814 goto unimplemented;
e5febef5 3815#ifdef TARGET_NR_create_module
31e31b8a 3816 case TARGET_NR_create_module:
e5febef5 3817#endif
31e31b8a
FB		 3818 case TARGET_NR_init_module:
3819 case TARGET_NR_delete_module:
e5febef5 3820#ifdef TARGET_NR_get_kernel_syms
31e31b8a 3821 case TARGET_NR_get_kernel_syms:
e5febef5 3822#endif
31e31b8a
FB		 3823 goto unimplemented;
3824 case TARGET_NR_quotactl:
3825 goto unimplemented;
3826 case TARGET_NR_getpgid:
3827 ret = get_errno(getpgid(arg1));
3828 break;
3829 case TARGET_NR_fchdir:
3830 ret = get_errno(fchdir(arg1));
3831 break;
84409ddb 3832#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 3833 case TARGET_NR_bdflush:
3834 goto unimplemented;
84409ddb 3835#endif
e5febef5 3836#ifdef TARGET_NR_sysfs
31e31b8a
FB		 3837 case TARGET_NR_sysfs:
3838 goto unimplemented;
e5febef5 3839#endif
31e31b8a 3840 case TARGET_NR_personality:
1b6b029e 3841 ret = get_errno(personality(arg1));
31e31b8a 3842 break;
e5febef5 3843#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 3844 case TARGET_NR_afs_syscall:
3845 goto unimplemented;
e5febef5 3846#endif
7a3148a9 3847#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 3848 case TARGET_NR__llseek:
3849 {
4f2ac237
FB		 3850#if defined (__x86_64__)
3851 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 3852 tput64(arg4, ret);
4f2ac237 3853#else
31e31b8a
FB		 3854 int64_t res;
3855 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 3856 tput64(arg4, res);
4f2ac237 3857#endif
31e31b8a
FB		 3858 }
3859 break;
7a3148a9 3860#endif
31e31b8a
FB		 3861 case TARGET_NR_getdents:
3862#if TARGET_LONG_SIZE != 4
53a5960a 3863 goto unimplemented;
a315a145 3864#warning not supported
4add45b4
FB		 3865#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3866 {
53a5960a 3867 struct target_dirent *target_dirp;
4add45b4
FB		 3868 struct dirent *dirp;
3869 long count = arg3;
3870
3871 dirp = malloc(count);
3872 if (!dirp)
3873 return -ENOMEM;
3b46e624 3874
4add45b4
FB		 3875 ret = get_errno(sys_getdents(arg1, dirp, count));
3876 if (!is_error(ret)) {
3877 struct dirent *de;
3878 struct target_dirent *tde;
3879 int len = ret;
3880 int reclen, treclen;
3881 int count1, tnamelen;
3882
3883 count1 = 0;
3884 de = dirp;
53a5960a 3885 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 3886 tde = target_dirp;
3887 while (len > 0) {
3888 reclen = de->d_reclen;
3889 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3890 tde->d_reclen = tswap16(treclen);
3891 tde->d_ino = tswapl(de->d_ino);
3892 tde->d_off = tswapl(de->d_off);
3893 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3894 if (tnamelen > 256)
3895 tnamelen = 256;
80a9d035 3896 /* XXX: may not be correct */
4add45b4
FB		 3897 strncpy(tde->d_name, de->d_name, tnamelen);
3898 de = (struct dirent *)((char *)de + reclen);
3899 len -= reclen;
1c5bf3bf 3900 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 3901 count1 += treclen;
3902 }
3903 ret = count1;
3904 }
53a5960a 3905 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 3906 free(dirp);
3907 }
3908#else
31e31b8a 3909 {
53a5960a 3910 struct dirent *dirp;
31e31b8a 3911 long count = arg3;
dab2ed99 3912
53a5960a 3913 dirp = lock_user(arg2, count, 0);
72f03900 3914 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 3915 if (!is_error(ret)) {
3916 struct dirent *de;
3917 int len = ret;
3918 int reclen;
3919 de = dirp;
3920 while (len > 0) {
8083a3e5 3921 reclen = de->d_reclen;
31e31b8a
FB		 3922 if (reclen > len)
3923 break;
8083a3e5 3924 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 3925 tswapls(&de->d_ino);
3926 tswapls(&de->d_off);
3927 de = (struct dirent *)((char *)de + reclen);
3928 len -= reclen;
3929 }
3930 }
53a5960a 3931 unlock_user(dirp, arg2, ret);
31e31b8a 3932 }
4add45b4 3933#endif
31e31b8a 3934 break;
3ae43202 3935#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 3936 case TARGET_NR_getdents64:
3937 {
53a5960a 3938 struct dirent64 *dirp;
dab2ed99 3939 long count = arg3;
53a5960a 3940 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 3941 ret = get_errno(sys_getdents64(arg1, dirp, count));
3942 if (!is_error(ret)) {
3943 struct dirent64 *de;
3944 int len = ret;
3945 int reclen;
3946 de = dirp;
3947 while (len > 0) {
8083a3e5 3948 reclen = de->d_reclen;
dab2ed99
FB		 3949 if (reclen > len)
3950 break;
8083a3e5 3951 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 3952 tswap64s(&de->d_ino);
3953 tswap64s(&de->d_off);
3954 de = (struct dirent64 *)((char *)de + reclen);
3955 len -= reclen;
3956 }
3957 }
53a5960a 3958 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 3959 }
3960 break;
a541f297 3961#endif /* TARGET_NR_getdents64 */
e5febef5 3962#ifdef TARGET_NR__newselect
31e31b8a 3963 case TARGET_NR__newselect:
53a5960a 3964 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 3965 break;
e5febef5
TS		 3966#endif
3967#ifdef TARGET_NR_poll
9de5e440
FB		 3968 case TARGET_NR_poll:
3969 {
53a5960a 3970 struct target_pollfd *target_pfd;
9de5e440
FB		 3971 unsigned int nfds = arg2;
3972 int timeout = arg3;
3973 struct pollfd *pfd;
7854b056 3974 unsigned int i;
9de5e440 3975
53a5960a 3976 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 3977 pfd = alloca(sizeof(struct pollfd) * nfds);
3978 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 3979 pfd[i].fd = tswap32(target_pfd[i].fd);
3980 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 3981 }
3982 ret = get_errno(poll(pfd, nfds, timeout));
3983 if (!is_error(ret)) {
3984 for(i = 0; i < nfds; i++) {
5cd4393b 3985 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 3986 }
53a5960a
PB		 3987 ret += nfds * (sizeof(struct target_pollfd)
3988 - sizeof(struct pollfd));
9de5e440 3989 }
53a5960a 3990 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 3991 }
3992 break;
e5febef5 3993#endif
31e31b8a 3994 case TARGET_NR_flock:
9de5e440
FB		 3995 /* NOTE: the flock constant seems to be the same for every
3996 Linux platform */
3997 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 3998 break;
3999 case TARGET_NR_readv:
4000 {
4001 int count = arg3;
31e31b8a 4002 struct iovec *vec;
31e31b8a
FB		 4003
4004 vec = alloca(count * sizeof(struct iovec));
53a5960a 4005 lock_iovec(vec, arg2, count, 0);
31e31b8a 4006 ret = get_errno(readv(arg1, vec, count));
53a5960a 4007 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 4008 }
4009 break;
4010 case TARGET_NR_writev:
4011 {
4012 int count = arg3;
31e31b8a 4013 struct iovec *vec;
31e31b8a
FB		 4014
4015 vec = alloca(count * sizeof(struct iovec));
53a5960a 4016 lock_iovec(vec, arg2, count, 1);
31e31b8a 4017 ret = get_errno(writev(arg1, vec, count));
53a5960a 4018 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 4019 }
4020 break;
4021 case TARGET_NR_getsid:
4022 ret = get_errno(getsid(arg1));
4023 break;
7a3148a9 4024#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 4025 case TARGET_NR_fdatasync:
5cd4393b
FB		 4026 ret = get_errno(fdatasync(arg1));
4027 break;
7a3148a9 4028#endif
31e31b8a 4029 case TARGET_NR__sysctl:
29e619b1
FB		 4030 /* We don't implement this, but ENODIR is always a safe
4031 return value. */
4032 return -ENOTDIR;
31e31b8a 4033 case TARGET_NR_sched_setparam:
5cd4393b 4034 {
53a5960a 4035 struct sched_param *target_schp;
5cd4393b 4036 struct sched_param schp;
53a5960a
PB		 4037
4038 lock_user_struct(target_schp, arg2, 1);
5cd4393b 4039 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 4040 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 4041 ret = get_errno(sched_setparam(arg1, &schp));
4042 }
4043 break;
31e31b8a 4044 case TARGET_NR_sched_getparam:
5cd4393b 4045 {
53a5960a 4046 struct sched_param *target_schp;
5cd4393b
FB		 4047 struct sched_param schp;
4048 ret = get_errno(sched_getparam(arg1, &schp));
4049 if (!is_error(ret)) {
53a5960a 4050 lock_user_struct(target_schp, arg2, 0);
5cd4393b 4051 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 4052 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 4053 }
4054 }
4055 break;
31e31b8a 4056 case TARGET_NR_sched_setscheduler:
5cd4393b 4057 {
53a5960a 4058 struct sched_param *target_schp;
5cd4393b 4059 struct sched_param schp;
53a5960a 4060 lock_user_struct(target_schp, arg3, 1);
5cd4393b 4061 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 4062 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 4063 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
4064 }
4065 break;
31e31b8a 4066 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 4067 ret = get_errno(sched_getscheduler(arg1));
4068 break;
31e31b8a
FB		 4069 case TARGET_NR_sched_yield:
4070 ret = get_errno(sched_yield());
4071 break;
4072 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 4073 ret = get_errno(sched_get_priority_max(arg1));
4074 break;
31e31b8a 4075 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 4076 ret = get_errno(sched_get_priority_min(arg1));
4077 break;
31e31b8a 4078 case TARGET_NR_sched_rr_get_interval:
5cd4393b 4079 {
5cd4393b
FB		 4080 struct timespec ts;
4081 ret = get_errno(sched_rr_get_interval(arg1, &ts));
4082 if (!is_error(ret)) {
53a5960a 4083 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 4084 }
4085 }
4086 break;
31e31b8a 4087 case TARGET_NR_nanosleep:
1b6b029e 4088 {
1b6b029e 4089 struct timespec req, rem;
53a5960a 4090 target_to_host_timespec(&req, arg1);
1b6b029e 4091 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 4092 if (is_error(ret) && arg2) {
4093 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 4094 }
4095 }
4096 break;
e5febef5 4097#ifdef TARGET_NR_query_module
31e31b8a 4098 case TARGET_NR_query_module:
5cd4393b 4099 goto unimplemented;
e5febef5
TS		 4100#endif
4101#ifdef TARGET_NR_nfsservctl
31e31b8a 4102 case TARGET_NR_nfsservctl:
5cd4393b 4103 goto unimplemented;
e5febef5 4104#endif
31e31b8a 4105 case TARGET_NR_prctl:
e5574487
TS		 4106 switch (arg1)
4107 {
4108 case PR_GET_PDEATHSIG:
4109 {
4110 int deathsig;
4111 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
4112 if (!is_error(ret) && arg2)
4113 tput32(arg2, deathsig);
4114 }
4115 break;
4116 default:
4117 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
4118 break;
4119 }
39b9aae1 4120 break;
67867308 4121#ifdef TARGET_NR_pread
31e31b8a 4122 case TARGET_NR_pread:
53a5960a
PB		 4123 page_unprotect_range(arg2, arg3);
4124 p = lock_user(arg2, arg3, 0);
4125 ret = get_errno(pread(arg1, p, arg3, arg4));
4126 unlock_user(p, arg2, ret);
206f0fa7 4127 break;
31e31b8a 4128 case TARGET_NR_pwrite:
53a5960a
PB		 4129 p = lock_user(arg2, arg3, 1);
4130 ret = get_errno(pwrite(arg1, p, arg3, arg4));
4131 unlock_user(p, arg2, 0);
206f0fa7 4132 break;
67867308 4133#endif
31e31b8a 4134 case TARGET_NR_getcwd:
53a5960a
PB		 4135 p = lock_user(arg1, arg2, 0);
4136 ret = get_errno(sys_getcwd1(p, arg2));
4137 unlock_user(p, arg1, ret);
31e31b8a
FB		 4138 break;
4139 case TARGET_NR_capget:
5cd4393b 4140 goto unimplemented;
31e31b8a 4141 case TARGET_NR_capset:
5cd4393b 4142 goto unimplemented;
31e31b8a 4143 case TARGET_NR_sigaltstack:
5cd4393b 4144 goto unimplemented;
31e31b8a 4145 case TARGET_NR_sendfile:
5cd4393b 4146 goto unimplemented;
ebc05488 4147#ifdef TARGET_NR_getpmsg
31e31b8a 4148 case TARGET_NR_getpmsg:
5cd4393b 4149 goto unimplemented;
ebc05488
FB		 4150#endif
4151#ifdef TARGET_NR_putpmsg
31e31b8a 4152 case TARGET_NR_putpmsg:
5cd4393b 4153 goto unimplemented;
ebc05488 4154#endif
048f6b4d 4155#ifdef TARGET_NR_vfork
31e31b8a 4156 case TARGET_NR_vfork:
1b6b029e 4157 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 4158 break;
048f6b4d 4159#endif
ebc05488 4160#ifdef TARGET_NR_ugetrlimit
31e31b8a 4161 case TARGET_NR_ugetrlimit:
728584be
FB		 4162 {
4163 struct rlimit rlim;
4164 ret = get_errno(getrlimit(arg1, &rlim));
4165 if (!is_error(ret)) {
53a5960a
PB		 4166 struct target_rlimit *target_rlim;
4167 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 4168 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4169 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 4170 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 4171 }
4172 break;
4173 }
ebc05488 4174#endif
a315a145 4175#ifdef TARGET_NR_truncate64
31e31b8a 4176 case TARGET_NR_truncate64:
53a5960a
PB		 4177 p = lock_user_string(arg1);
4178 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4179 unlock_user(p, arg1, 0);
667f38b1 4180 break;
a315a145
FB		 4181#endif
4182#ifdef TARGET_NR_ftruncate64
31e31b8a 4183 case TARGET_NR_ftruncate64:
ce4defa0 4184 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 4185 break;
a315a145
FB		 4186#endif
4187#ifdef TARGET_NR_stat64
31e31b8a 4188 case TARGET_NR_stat64:
53a5960a
PB		 4189 p = lock_user_string(arg1);
4190 ret = get_errno(stat(path(p), &st));
4191 unlock_user(p, arg1, 0);
60cd49d5 4192 goto do_stat64;
a315a145
FB		 4193#endif
4194#ifdef TARGET_NR_lstat64
31e31b8a 4195 case TARGET_NR_lstat64:
53a5960a
PB		 4196 p = lock_user_string(arg1);
4197 ret = get_errno(lstat(path(p), &st));
4198 unlock_user(p, arg1, 0);
60cd49d5 4199 goto do_stat64;
a315a145
FB		 4200#endif
4201#ifdef TARGET_NR_fstat64
31e31b8a 4202 case TARGET_NR_fstat64:
60cd49d5
FB		 4203 {
4204 ret = get_errno(fstat(arg1, &st));
4205 do_stat64:
4206 if (!is_error(ret)) {
ce4defa0
PB		 4207#ifdef TARGET_ARM
4208 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 4209 struct target_eabi_stat64 *target_st;
4210 lock_user_struct(target_st, arg2, 1);
ce4defa0 4211 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 4212 /* put_user is probably wrong. */
ce4defa0
PB		 4213 put_user(st.st_dev, &target_st->st_dev);
4214 put_user(st.st_ino, &target_st->st_ino);
4215#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4216 put_user(st.st_ino, &target_st->__st_ino);
4217#endif
4218 put_user(st.st_mode, &target_st->st_mode);
4219 put_user(st.st_nlink, &target_st->st_nlink);
4220 put_user(st.st_uid, &target_st->st_uid);
4221 put_user(st.st_gid, &target_st->st_gid);
4222 put_user(st.st_rdev, &target_st->st_rdev);
4223 /* XXX: better use of kernel struct */
4224 put_user(st.st_size, &target_st->st_size);
4225 put_user(st.st_blksize, &target_st->st_blksize);
4226 put_user(st.st_blocks, &target_st->st_blocks);
4227 put_user(st.st_atime, &target_st->target_st_atime);
4228 put_user(st.st_mtime, &target_st->target_st_mtime);
4229 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4230 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 4231 } else
4232#endif
4233 {
53a5960a
PB		 4234 struct target_stat64 *target_st;
4235 lock_user_struct(target_st, arg2, 1);
ce4defa0 4236 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 4237 /* ??? put_user is probably wrong. */
ce4defa0
PB		 4238 put_user(st.st_dev, &target_st->st_dev);
4239 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 4240#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 4241 put_user(st.st_ino, &target_st->__st_ino);
4242#endif
4243 put_user(st.st_mode, &target_st->st_mode);
4244 put_user(st.st_nlink, &target_st->st_nlink);
4245 put_user(st.st_uid, &target_st->st_uid);
4246 put_user(st.st_gid, &target_st->st_gid);
4247 put_user(st.st_rdev, &target_st->st_rdev);
4248 /* XXX: better use of kernel struct */
4249 put_user(st.st_size, &target_st->st_size);
4250 put_user(st.st_blksize, &target_st->st_blksize);
4251 put_user(st.st_blocks, &target_st->st_blocks);
4252 put_user(st.st_atime, &target_st->target_st_atime);
4253 put_user(st.st_mtime, &target_st->target_st_mtime);
4254 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4255 unlock_user_struct(target_st, arg2, 0);
ce4defa0 4256 }
60cd49d5
FB		 4257 }
4258 }
4259 break;
a315a145 4260#endif
67867308
FB		 4261#ifdef USE_UID16
4262 case TARGET_NR_lchown:
53a5960a
PB		 4263 p = lock_user_string(arg1);
4264 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
4265 unlock_user(p, arg1, 0);
67867308
FB		 4266 break;
4267 case TARGET_NR_getuid:
4268 ret = get_errno(high2lowuid(getuid()));
4269 break;
4270 case TARGET_NR_getgid:
4271 ret = get_errno(high2lowgid(getgid()));
4272 break;
4273 case TARGET_NR_geteuid:
4274 ret = get_errno(high2lowuid(geteuid()));
4275 break;
4276 case TARGET_NR_getegid:
4277 ret = get_errno(high2lowgid(getegid()));
4278 break;
4279 case TARGET_NR_setreuid:
4280 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
4281 break;
4282 case TARGET_NR_setregid:
4283 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
4284 break;
4285 case TARGET_NR_getgroups:
4286 {
4287 int gidsetsize = arg1;
53a5960a 4288 uint16_t *target_grouplist;
67867308
FB		 4289 gid_t *grouplist;
4290 int i;
4291
4292 grouplist = alloca(gidsetsize * sizeof(gid_t));
4293 ret = get_errno(getgroups(gidsetsize, grouplist));
4294 if (!is_error(ret)) {
53a5960a 4295 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 4296 for(i = 0;i < gidsetsize; i++)
4297 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 4298 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 4299 }
4300 }
4301 break;
4302 case TARGET_NR_setgroups:
4303 {
4304 int gidsetsize = arg1;
53a5960a 4305 uint16_t *target_grouplist;
67867308
FB		 4306 gid_t *grouplist;
4307 int i;
4308
4309 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4310 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 4311 for(i = 0;i < gidsetsize; i++)
4312 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 4313 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 4314 ret = get_errno(setgroups(gidsetsize, grouplist));
4315 }
4316 break;
4317 case TARGET_NR_fchown:
4318 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
4319 break;
ccfa72b7
TS		 4320#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
4321 case TARGET_NR_fchownat:
4322 if (!arg2) {
4323 ret = -EFAULT;
4324 goto fail;
4325 }
4326 p = lock_user_string(arg2);
4327 if (!access_ok(VERIFY_READ, p, 1))
4328 ret = -EFAULT;
4329 else
4330 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
4331 if (p)
4332 unlock_user(p, arg2, 0);
4333 break;
4334#endif
67867308
FB		 4335#ifdef TARGET_NR_setresuid
4336 case TARGET_NR_setresuid:
5fafdf24
TS		 4337 ret = get_errno(setresuid(low2highuid(arg1),
4338 low2highuid(arg2),
67867308
FB		 4339 low2highuid(arg3)));
4340 break;
4341#endif
4342#ifdef TARGET_NR_getresuid
4343 case TARGET_NR_getresuid:
4344 {
53a5960a 4345 uid_t ruid, euid, suid;
67867308
FB		 4346 ret = get_errno(getresuid(&ruid, &euid, &suid));
4347 if (!is_error(ret)) {
53a5960a
PB		 4348 tput16(arg1, tswap16(high2lowuid(ruid)));
4349 tput16(arg2, tswap16(high2lowuid(euid)));
4350 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 4351 }
4352 }
4353 break;
4354#endif
4355#ifdef TARGET_NR_getresgid
4356 case TARGET_NR_setresgid:
5fafdf24
TS		 4357 ret = get_errno(setresgid(low2highgid(arg1),
4358 low2highgid(arg2),
67867308
FB		 4359 low2highgid(arg3)));
4360 break;
4361#endif
4362#ifdef TARGET_NR_getresgid
4363 case TARGET_NR_getresgid:
4364 {
53a5960a 4365 gid_t rgid, egid, sgid;
67867308
FB		 4366 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4367 if (!is_error(ret)) {
53a5960a
PB		 4368 tput16(arg1, tswap16(high2lowgid(rgid)));
4369 tput16(arg2, tswap16(high2lowgid(egid)));
4370 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 4371 }
4372 }
4373 break;
4374#endif
4375 case TARGET_NR_chown:
53a5960a
PB		 4376 p = lock_user_string(arg1);
4377 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
4378 unlock_user(p, arg1, 0);
67867308
FB		 4379 break;
4380 case TARGET_NR_setuid:
4381 ret = get_errno(setuid(low2highuid(arg1)));
4382 break;
4383 case TARGET_NR_setgid:
4384 ret = get_errno(setgid(low2highgid(arg1)));
4385 break;
4386 case TARGET_NR_setfsuid:
4387 ret = get_errno(setfsuid(arg1));
4388 break;
4389 case TARGET_NR_setfsgid:
4390 ret = get_errno(setfsgid(arg1));
4391 break;
4392#endif /* USE_UID16 */
4393
a315a145 4394#ifdef TARGET_NR_lchown32
31e31b8a 4395 case TARGET_NR_lchown32:
53a5960a
PB		 4396 p = lock_user_string(arg1);
4397 ret = get_errno(lchown(p, arg2, arg3));
4398 unlock_user(p, arg1, 0);
b03c60f3 4399 break;
a315a145
FB		 4400#endif
4401#ifdef TARGET_NR_getuid32
31e31b8a 4402 case TARGET_NR_getuid32:
b03c60f3
FB		 4403 ret = get_errno(getuid());
4404 break;
a315a145
FB		 4405#endif
4406#ifdef TARGET_NR_getgid32
31e31b8a 4407 case TARGET_NR_getgid32:
b03c60f3
FB		 4408 ret = get_errno(getgid());
4409 break;
a315a145
FB		 4410#endif
4411#ifdef TARGET_NR_geteuid32
31e31b8a 4412 case TARGET_NR_geteuid32:
b03c60f3
FB		 4413 ret = get_errno(geteuid());
4414 break;
a315a145
FB		 4415#endif
4416#ifdef TARGET_NR_getegid32
31e31b8a 4417 case TARGET_NR_getegid32:
b03c60f3
FB		 4418 ret = get_errno(getegid());
4419 break;
a315a145
FB		 4420#endif
4421#ifdef TARGET_NR_setreuid32
31e31b8a 4422 case TARGET_NR_setreuid32:
b03c60f3
FB		 4423 ret = get_errno(setreuid(arg1, arg2));
4424 break;
a315a145
FB		 4425#endif
4426#ifdef TARGET_NR_setregid32
31e31b8a 4427 case TARGET_NR_setregid32:
b03c60f3
FB		 4428 ret = get_errno(setregid(arg1, arg2));
4429 break;
a315a145
FB		 4430#endif
4431#ifdef TARGET_NR_getgroups32
31e31b8a 4432 case TARGET_NR_getgroups32:
99c475ab
FB		 4433 {
4434 int gidsetsize = arg1;
53a5960a 4435 uint32_t *target_grouplist;
99c475ab
FB		 4436 gid_t *grouplist;
4437 int i;
4438
4439 grouplist = alloca(gidsetsize * sizeof(gid_t));
4440 ret = get_errno(getgroups(gidsetsize, grouplist));
4441 if (!is_error(ret)) {
53a5960a 4442 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 4443 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4444 target_grouplist[i] = tswap32(grouplist[i]);
4445 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 4446 }
4447 }
4448 break;
a315a145
FB		 4449#endif
4450#ifdef TARGET_NR_setgroups32
31e31b8a 4451 case TARGET_NR_setgroups32:
99c475ab
FB		 4452 {
4453 int gidsetsize = arg1;
53a5960a 4454 uint32_t *target_grouplist;
99c475ab
FB		 4455 gid_t *grouplist;
4456 int i;
3b46e624 4457
99c475ab 4458 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4459 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 4460 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4461 grouplist[i] = tswap32(target_grouplist[i]);
4462 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 4463 ret = get_errno(setgroups(gidsetsize, grouplist));
4464 }
4465 break;
a315a145
FB		 4466#endif
4467#ifdef TARGET_NR_fchown32
31e31b8a 4468 case TARGET_NR_fchown32:
b03c60f3
FB		 4469 ret = get_errno(fchown(arg1, arg2, arg3));
4470 break;
a315a145
FB		 4471#endif
4472#ifdef TARGET_NR_setresuid32
31e31b8a 4473 case TARGET_NR_setresuid32:
b03c60f3
FB		 4474 ret = get_errno(setresuid(arg1, arg2, arg3));
4475 break;
a315a145
FB		 4476#endif
4477#ifdef TARGET_NR_getresuid32
31e31b8a 4478 case TARGET_NR_getresuid32:
b03c60f3 4479 {
53a5960a 4480 uid_t ruid, euid, suid;
b03c60f3
FB		 4481 ret = get_errno(getresuid(&ruid, &euid, &suid));
4482 if (!is_error(ret)) {
53a5960a
PB		 4483 tput32(arg1, tswap32(ruid));
4484 tput32(arg2, tswap32(euid));
4485 tput32(arg3, tswap32(suid));
b03c60f3
FB		 4486 }
4487 }
4488 break;
a315a145
FB		 4489#endif
4490#ifdef TARGET_NR_setresgid32
31e31b8a 4491 case TARGET_NR_setresgid32:
b03c60f3
FB		 4492 ret = get_errno(setresgid(arg1, arg2, arg3));
4493 break;
a315a145
FB		 4494#endif
4495#ifdef TARGET_NR_getresgid32
31e31b8a 4496 case TARGET_NR_getresgid32:
b03c60f3 4497 {
53a5960a 4498 gid_t rgid, egid, sgid;
b03c60f3
FB		 4499 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4500 if (!is_error(ret)) {
53a5960a
PB		 4501 tput32(arg1, tswap32(rgid));
4502 tput32(arg2, tswap32(egid));
4503 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 4504 }
4505 }
4506 break;
a315a145
FB		 4507#endif
4508#ifdef TARGET_NR_chown32
31e31b8a 4509 case TARGET_NR_chown32:
53a5960a
PB		 4510 p = lock_user_string(arg1);
4511 ret = get_errno(chown(p, arg2, arg3));
4512 unlock_user(p, arg1, 0);
b03c60f3 4513 break;
a315a145
FB		 4514#endif
4515#ifdef TARGET_NR_setuid32
31e31b8a 4516 case TARGET_NR_setuid32:
b03c60f3
FB		 4517 ret = get_errno(setuid(arg1));
4518 break;
a315a145
FB		 4519#endif
4520#ifdef TARGET_NR_setgid32
31e31b8a 4521 case TARGET_NR_setgid32:
b03c60f3
FB		 4522 ret = get_errno(setgid(arg1));
4523 break;
a315a145
FB		 4524#endif
4525#ifdef TARGET_NR_setfsuid32
31e31b8a 4526 case TARGET_NR_setfsuid32:
b03c60f3
FB		 4527 ret = get_errno(setfsuid(arg1));
4528 break;
a315a145
FB		 4529#endif
4530#ifdef TARGET_NR_setfsgid32
31e31b8a 4531 case TARGET_NR_setfsgid32:
b03c60f3
FB		 4532 ret = get_errno(setfsgid(arg1));
4533 break;
a315a145 4534#endif
67867308 4535
31e31b8a 4536 case TARGET_NR_pivot_root:
b03c60f3 4537 goto unimplemented;
ffa65c3b 4538#ifdef TARGET_NR_mincore
31e31b8a 4539 case TARGET_NR_mincore:
b03c60f3 4540 goto unimplemented;
ffa65c3b
FB		 4541#endif
4542#ifdef TARGET_NR_madvise
31e31b8a 4543 case TARGET_NR_madvise:
24836689
PB		 4544 /* A straight passthrough may not be safe because qemu sometimes
4545 turns private flie-backed mappings into anonymous mappings.
4546 This will break MADV_DONTNEED.
4547 This is a hint, so ignoring and returning success is ok. */
4548 ret = get_errno(0);
4549 break;
ffa65c3b 4550#endif
60cd49d5 4551#if TARGET_LONG_BITS == 32
31e31b8a 4552 case TARGET_NR_fcntl64:
77e4672d 4553 {
b1e341eb 4554 int cmd;
77e4672d 4555 struct flock64 fl;
53a5960a 4556 struct target_flock64 *target_fl;
ce4defa0 4557#ifdef TARGET_ARM
53a5960a 4558 struct target_eabi_flock64 *target_efl;
ce4defa0 4559#endif
77e4672d 4560
b1e341eb
TS		 4561 switch(arg2){
4562 case TARGET_F_GETLK64:
4563 cmd = F_GETLK64;
a7222580 4564 break;
b1e341eb
TS		 4565 case TARGET_F_SETLK64:
4566 cmd = F_SETLK64;
a7222580 4567 break;
b1e341eb
TS		 4568 case TARGET_F_SETLKW64:
4569 cmd = F_SETLK64;
a7222580 4570 break;
b1e341eb
TS		 4571 default:
4572 cmd = arg2;
a7222580 4573 break;
b1e341eb
TS		 4574 }
4575
60cd49d5 4576 switch(arg2) {
b1e341eb 4577 case TARGET_F_GETLK64:
5813427b
TS		 4578#ifdef TARGET_ARM
4579 if (((CPUARMState *)cpu_env)->eabi) {
4580 lock_user_struct(target_efl, arg3, 1);
4581 fl.l_type = tswap16(target_efl->l_type);
4582 fl.l_whence = tswap16(target_efl->l_whence);
4583 fl.l_start = tswap64(target_efl->l_start);
4584 fl.l_len = tswap64(target_efl->l_len);
4585 fl.l_pid = tswapl(target_efl->l_pid);
4586 unlock_user_struct(target_efl, arg3, 0);
4587 } else
4588#endif
4589 {
4590 lock_user_struct(target_fl, arg3, 1);
4591 fl.l_type = tswap16(target_fl->l_type);
4592 fl.l_whence = tswap16(target_fl->l_whence);
4593 fl.l_start = tswap64(target_fl->l_start);
4594 fl.l_len = tswap64(target_fl->l_len);
4595 fl.l_pid = tswapl(target_fl->l_pid);
4596 unlock_user_struct(target_fl, arg3, 0);
4597 }
b1e341eb 4598 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4599 if (ret == 0) {
ce4defa0
PB		 4600#ifdef TARGET_ARM
4601 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4602 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4603 target_efl->l_type = tswap16(fl.l_type);
4604 target_efl->l_whence = tswap16(fl.l_whence);
4605 target_efl->l_start = tswap64(fl.l_start);
4606 target_efl->l_len = tswap64(fl.l_len);
4607 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 4608 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4609 } else
4610#endif
4611 {
53a5960a 4612 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 4613 target_fl->l_type = tswap16(fl.l_type);
4614 target_fl->l_whence = tswap16(fl.l_whence);
4615 target_fl->l_start = tswap64(fl.l_start);
4616 target_fl->l_len = tswap64(fl.l_len);
4617 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 4618 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 4619 }
77e4672d
FB		 4620 }
4621 break;
4622
b1e341eb
TS		 4623 case TARGET_F_SETLK64:
4624 case TARGET_F_SETLKW64:
ce4defa0
PB		 4625#ifdef TARGET_ARM
4626 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4627 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4628 fl.l_type = tswap16(target_efl->l_type);
4629 fl.l_whence = tswap16(target_efl->l_whence);
4630 fl.l_start = tswap64(target_efl->l_start);
4631 fl.l_len = tswap64(target_efl->l_len);
4632 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 4633 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4634 } else
4635#endif
4636 {
53a5960a 4637 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 4638 fl.l_type = tswap16(target_fl->l_type);
4639 fl.l_whence = tswap16(target_fl->l_whence);
4640 fl.l_start = tswap64(target_fl->l_start);
4641 fl.l_len = tswap64(target_fl->l_len);
4642 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 4643 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 4644 }
b1e341eb 4645 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4646 break;
60cd49d5 4647 default:
b1e341eb 4648 ret = get_errno(do_fcntl(arg1, cmd, arg3));
60cd49d5
FB		 4649 break;
4650 }
77e4672d
FB		 4651 break;
4652 }
60cd49d5 4653#endif
7d600c80
TS		 4654#ifdef TARGET_NR_cacheflush
4655 case TARGET_NR_cacheflush:
4656 /* self-modifying code is handled automatically, so nothing needed */
4657 ret = 0;
4658 break;
4659#endif
ebc05488 4660#ifdef TARGET_NR_security
31e31b8a
FB		 4661 case TARGET_NR_security:
4662 goto unimplemented;
c573ff67
FB		 4663#endif
4664#ifdef TARGET_NR_getpagesize
4665 case TARGET_NR_getpagesize:
4666 ret = TARGET_PAGE_SIZE;
4667 break;
ebc05488 4668#endif
31e31b8a
FB		 4669 case TARGET_NR_gettid:
4670 ret = get_errno(gettid());
4671 break;
e5febef5 4672#ifdef TARGET_NR_readahead
31e31b8a 4673 case TARGET_NR_readahead:
5cd4393b 4674 goto unimplemented;
e5febef5 4675#endif
ebc05488 4676#ifdef TARGET_NR_setxattr
31e31b8a
FB		 4677 case TARGET_NR_setxattr:
4678 case TARGET_NR_lsetxattr:
4679 case TARGET_NR_fsetxattr:
4680 case TARGET_NR_getxattr:
4681 case TARGET_NR_lgetxattr:
4682 case TARGET_NR_fgetxattr:
4683 case TARGET_NR_listxattr:
4684 case TARGET_NR_llistxattr:
4685 case TARGET_NR_flistxattr:
4686 case TARGET_NR_removexattr:
4687 case TARGET_NR_lremovexattr:
4688 case TARGET_NR_fremovexattr:
5cd4393b 4689 goto unimplemented_nowarn;
ebc05488
FB		 4690#endif
4691#ifdef TARGET_NR_set_thread_area
5cd4393b 4692 case TARGET_NR_set_thread_area:
6f5b89a0
TS		 4693#ifdef TARGET_MIPS
4694 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4695 ret = 0;
4696 break;
4697#else
4698 goto unimplemented_nowarn;
4699#endif
4700#endif
4701#ifdef TARGET_NR_get_thread_area
5cd4393b
FB		 4702 case TARGET_NR_get_thread_area:
4703 goto unimplemented_nowarn;
48dc41eb
FB		 4704#endif
4705#ifdef TARGET_NR_getdomainname
4706 case TARGET_NR_getdomainname:
4707 goto unimplemented_nowarn;
ebc05488 4708#endif
6f5b89a0 4709
b5906f95
TS		 4710#ifdef TARGET_NR_clock_gettime
4711 case TARGET_NR_clock_gettime:
4712 {
4713 struct timespec ts;
4714 ret = get_errno(clock_gettime(arg1, &ts));
4715 if (!is_error(ret)) {
4716 host_to_target_timespec(arg2, &ts);
4717 }
4718 break;
4719 }
4720#endif
4721#ifdef TARGET_NR_clock_getres
4722 case TARGET_NR_clock_getres:
4723 {
4724 struct timespec ts;
4725 ret = get_errno(clock_getres(arg1, &ts));
4726 if (!is_error(ret)) {
4727 host_to_target_timespec(arg2, &ts);
4728 }
4729 break;
4730 }
4731#endif
4732
6f5b89a0
TS		 4733#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4734 case TARGET_NR_set_tid_address:
4735 ret = get_errno(set_tid_address((int *) arg1));
4736 break;
4737#endif
4738
3ae43202 4739#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16
TS		 4740 case TARGET_NR_tkill:
4741 ret = get_errno(sys_tkill((int)arg1, (int)arg2));
4742 break;
4743#endif
4744
3ae43202 4745#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574
TS		 4746 case TARGET_NR_tgkill:
4747 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
4748 break;
4749#endif
4750
4f2b1fe8
TS		 4751#ifdef TARGET_NR_set_robust_list
4752 case TARGET_NR_set_robust_list:
4753 goto unimplemented_nowarn;
4754#endif
4755
31e31b8a
FB		 4756 default:
4757 unimplemented:
5cd4393b 4758 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 4759#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 4760 unimplemented_nowarn:
80a9d035 4761#endif
31e31b8a
FB		 4762 ret = -ENOSYS;
4763 break;
4764 }
4765 fail:
c573ff67
FB		 4766#ifdef DEBUG
4767 gemu_log(" = %ld\n", ret);
4768#endif
31e31b8a
FB		 4769 return ret;
4770}
4771
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