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