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[qemu/qemu_0_9_1_stable.git] / linux-user / syscall.c
blob1ec81ce5be41e35bbfc96d4d6f760d1d151c7e20
1 /*
2 * Linux syscalls
3 *
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>
23 #include <string.h>
24 #include <elf.h>
25 #include <endian.h>
26 #include <errno.h>
27 #include <unistd.h>
28 #include <fcntl.h>
29 #include <time.h>
30 #include <sys/types.h>
31 #include <sys/ipc.h>
32 #include <sys/msg.h>
33 #include <sys/wait.h>
34 #include <sys/time.h>
35 #include <sys/stat.h>
36 #include <sys/mount.h>
37 #include <sys/prctl.h>
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>
45 #include <sys/poll.h>
46 #include <sys/times.h>
47 #include <sys/shm.h>
48 #include <sys/sem.h>
49 #include <sys/statfs.h>
50 #include <utime.h>
51 #include <sys/sysinfo.h>
52 //#include <sys/user.h>
53 #include <netinet/ip.h>
54 #include <netinet/tcp.h>
55
56 #define termios host_termios
57 #define winsize host_winsize
58 #define termio host_termio
59 #define sgttyb host_sgttyb /* same as target */
60 #define tchars host_tchars /* same as target */
61 #define ltchars host_ltchars /* same as target */
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>
69 #include <linux/dirent.h>
70 #include <linux/kd.h>
71
72 #include "qemu.h"
73
74 //#define DEBUG
75
76 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
77 || defined(TARGET_M68K) || defined(TARGET_SH4)
78 /* 16 bit uid wrappers emulation */
79 #define USE_UID16
80 #endif
81
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
86
87 #undef _syscall0
88 #undef _syscall1
89 #undef _syscall2
90 #undef _syscall3
91 #undef _syscall4
92 #undef _syscall5
93 #undef _syscall6
94
95 #define _syscall0(type,name) \
96 type name (void) \
97 { \
98 return syscall(__NR_##name); \
99 }
100
101 #define _syscall1(type,name,type1,arg1) \
102 type name (type1 arg1) \
103 { \
104 return syscall(__NR_##name, arg1); \
105 }
106
107 #define _syscall2(type,name,type1,arg1,type2,arg2) \
108 type name (type1 arg1,type2 arg2) \
109 { \
110 return syscall(__NR_##name, arg1, arg2); \
111 }
112
113 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
114 type name (type1 arg1,type2 arg2,type3 arg3) \
115 { \
116 return syscall(__NR_##name, arg1, arg2, arg3); \
117 }
118
119 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
120 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
121 { \
122 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
123 }
124
125 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
126 type5,arg5) \
127 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
128 { \
129 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
130 }
131
132
133 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
134 type5,arg5,type6,arg6) \
135 type 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); \
138 }
139
140
141 #define __NR_sys_uname __NR_uname
142 #define __NR_sys_getcwd1 __NR_getcwd
143 #define __NR_sys_getdents __NR_getdents
144 #define __NR_sys_getdents64 __NR_getdents64
145 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
146 #define __NR_sys_syslog __NR_syslog
147
148 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
149 #define __NR__llseek __NR_lseek
150 #endif
151
152 #ifdef __NR_gettid
153 _syscall0(int, gettid)
154 #else
155 static int gettid(void) {
156 return -ENOSYS;
157 }
158 #endif
159 _syscall1(int,sys_uname,struct new_utsname *,buf)
160 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
161 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
162 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
163 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
164 loff_t *, res, uint, wh);
165 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
166 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
167 #ifdef __NR_exit_group
168 _syscall1(int,exit_group,int,error_code)
169 #endif
170 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
171 _syscall1(int,set_tid_address,int *,tidptr)
172 #endif
173
174 extern int personality(int);
175 extern int flock(int, int);
176 extern int setfsuid(int);
177 extern int setfsgid(int);
178 extern int setresuid(uid_t, uid_t, uid_t);
179 extern int getresuid(uid_t *, uid_t *, uid_t *);
180 extern int setresgid(gid_t, gid_t, gid_t);
181 extern int getresgid(gid_t *, gid_t *, gid_t *);
182 extern int setgroups(int, gid_t *);
183
184 /*
185 * This list is the union of errno values overidden in asm-<arch>/errno.h
186 * minus the errnos that are not actually generic to all archs.
187 */
188 static uint16_t host_to_target_errno_table[1200] = {
189 [EIDRM] = TARGET_EIDRM,
190 [ECHRNG] = TARGET_ECHRNG,
191 [EL2NSYNC] = TARGET_EL2NSYNC,
192 [EL3HLT] = TARGET_EL3HLT,
193 [EL3RST] = TARGET_EL3RST,
194 [ELNRNG] = TARGET_ELNRNG,
195 [EUNATCH] = TARGET_EUNATCH,
196 [ENOCSI] = TARGET_ENOCSI,
197 [EL2HLT] = TARGET_EL2HLT,
198 [EDEADLK] = TARGET_EDEADLK,
199 [ENOLCK] = TARGET_ENOLCK,
200 [EBADE] = TARGET_EBADE,
201 [EBADR] = TARGET_EBADR,
202 [EXFULL] = TARGET_EXFULL,
203 [ENOANO] = TARGET_ENOANO,
204 [EBADRQC] = TARGET_EBADRQC,
205 [EBADSLT] = TARGET_EBADSLT,
206 [EBFONT] = TARGET_EBFONT,
207 [ENOSTR] = TARGET_ENOSTR,
208 [ENODATA] = TARGET_ENODATA,
209 [ETIME] = TARGET_ETIME,
210 [ENOSR] = TARGET_ENOSR,
211 [ENONET] = TARGET_ENONET,
212 [ENOPKG] = TARGET_ENOPKG,
213 [EREMOTE] = TARGET_EREMOTE,
214 [ENOLINK] = TARGET_ENOLINK,
215 [EADV] = TARGET_EADV,
216 [ESRMNT] = TARGET_ESRMNT,
217 [ECOMM] = TARGET_ECOMM,
218 [EPROTO] = TARGET_EPROTO,
219 [EDOTDOT] = TARGET_EDOTDOT,
220 [EMULTIHOP] = TARGET_EMULTIHOP,
221 [EBADMSG] = TARGET_EBADMSG,
222 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
223 [EOVERFLOW] = TARGET_EOVERFLOW,
224 [ENOTUNIQ] = TARGET_ENOTUNIQ,
225 [EBADFD] = TARGET_EBADFD,
226 [EREMCHG] = TARGET_EREMCHG,
227 [ELIBACC] = TARGET_ELIBACC,
228 [ELIBBAD] = TARGET_ELIBBAD,
229 [ELIBSCN] = TARGET_ELIBSCN,
230 [ELIBMAX] = TARGET_ELIBMAX,
231 [ELIBEXEC] = TARGET_ELIBEXEC,
232 [EILSEQ] = TARGET_EILSEQ,
233 [ENOSYS] = TARGET_ENOSYS,
234 [ELOOP] = TARGET_ELOOP,
235 [ERESTART] = TARGET_ERESTART,
236 [ESTRPIPE] = TARGET_ESTRPIPE,
237 [ENOTEMPTY] = TARGET_ENOTEMPTY,
238 [EUSERS] = TARGET_EUSERS,
239 [ENOTSOCK] = TARGET_ENOTSOCK,
240 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
241 [EMSGSIZE] = TARGET_EMSGSIZE,
242 [EPROTOTYPE] = TARGET_EPROTOTYPE,
243 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
244 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
245 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
246 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
247 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
248 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
249 [EADDRINUSE] = TARGET_EADDRINUSE,
250 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
251 [ENETDOWN] = TARGET_ENETDOWN,
252 [ENETUNREACH] = TARGET_ENETUNREACH,
253 [ENETRESET] = TARGET_ENETRESET,
254 [ECONNABORTED] = TARGET_ECONNABORTED,
255 [ECONNRESET] = TARGET_ECONNRESET,
256 [ENOBUFS] = TARGET_ENOBUFS,
257 [EISCONN] = TARGET_EISCONN,
258 [ENOTCONN] = TARGET_ENOTCONN,
259 [EUCLEAN] = TARGET_EUCLEAN,
260 [ENOTNAM] = TARGET_ENOTNAM,
261 [ENAVAIL] = TARGET_ENAVAIL,
262 [EISNAM] = TARGET_EISNAM,
263 [EREMOTEIO] = TARGET_EREMOTEIO,
264 [ESHUTDOWN] = TARGET_ESHUTDOWN,
265 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
266 [ETIMEDOUT] = TARGET_ETIMEDOUT,
267 [ECONNREFUSED] = TARGET_ECONNREFUSED,
268 [EHOSTDOWN] = TARGET_EHOSTDOWN,
269 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
270 [EALREADY] = TARGET_EALREADY,
271 [EINPROGRESS] = TARGET_EINPROGRESS,
272 [ESTALE] = TARGET_ESTALE,
273 [ECANCELED] = TARGET_ECANCELED,
274 [ENOMEDIUM] = TARGET_ENOMEDIUM,
275 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
276 [ENOKEY] = TARGET_ENOKEY,
277 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
278 [EKEYREVOKED] = TARGET_EKEYREVOKED,
279 [EKEYREJECTED] = TARGET_EKEYREJECTED,
280 [EOWNERDEAD] = TARGET_EOWNERDEAD,
281 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
282 };
283
284 static inline int host_to_target_errno(int err)
285 {
286 if(host_to_target_errno_table[err])
287 return host_to_target_errno_table[err];
288 return err;
289 }
290
291 static inline long get_errno(long ret)
292 {
293 if (ret == -1)
294 return -host_to_target_errno(errno);
295 else
296 return ret;
297 }
298
299 static inline int is_error(long ret)
300 {
301 return (unsigned long)ret >= (unsigned long)(-4096);
302 }
303
304 static target_ulong target_brk;
305 static target_ulong target_original_brk;
306
307 void target_set_brk(target_ulong new_brk)
308 {
309 target_original_brk = target_brk = new_brk;
310 }
311
312 long do_brk(target_ulong new_brk)
313 {
314 target_ulong brk_page;
315 long mapped_addr;
316 int new_alloc_size;
317
318 if (!new_brk)
319 return target_brk;
320 if (new_brk < target_original_brk)
321 return -ENOMEM;
322
323 brk_page = HOST_PAGE_ALIGN(target_brk);
324
325 /* If the new brk is less than this, set it and we're done... */
326 if (new_brk < brk_page) {
327 target_brk = new_brk;
328 return target_brk;
329 }
330
331 /* We need to allocate more memory after the brk... */
332 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
333 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
334 PROT_READ|PROT_WRITE,
335 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
336 if (is_error(mapped_addr)) {
337 return mapped_addr;
338 } else {
339 target_brk = new_brk;
340 return target_brk;
341 }
342 }
343
344 static inline fd_set *target_to_host_fds(fd_set *fds,
345 target_long *target_fds, int n)
346 {
347 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
348 return (fd_set *)target_fds;
349 #else
350 int i, b;
351 if (target_fds) {
352 FD_ZERO(fds);
353 for(i = 0;i < n; i++) {
354 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
355 (i & (TARGET_LONG_BITS - 1))) & 1;
356 if (b)
357 FD_SET(i, fds);
358 }
359 return fds;
360 } else {
361 return NULL;
362 }
363 #endif
364 }
365
366 static inline void host_to_target_fds(target_long *target_fds,
367 fd_set *fds, int n)
368 {
369 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
370 /* nothing to do */
371 #else
372 int i, nw, j, k;
373 target_long v;
374
375 if (target_fds) {
376 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
377 k = 0;
378 for(i = 0;i < nw; i++) {
379 v = 0;
380 for(j = 0; j < TARGET_LONG_BITS; j++) {
381 v |= ((FD_ISSET(k, fds) != 0) << j);
382 k++;
383 }
384 target_fds[i] = tswapl(v);
385 }
386 }
387 #endif
388 }
389
390 #if defined(__alpha__)
391 #define HOST_HZ 1024
392 #else
393 #define HOST_HZ 100
394 #endif
395
396 static inline long host_to_target_clock_t(long ticks)
397 {
398 #if HOST_HZ == TARGET_HZ
399 return ticks;
400 #else
401 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
402 #endif
403 }
404
405 static inline void host_to_target_rusage(target_ulong target_addr,
406 const struct rusage *rusage)
407 {
408 struct target_rusage *target_rusage;
409
410 lock_user_struct(target_rusage, target_addr, 0);
411 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
412 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
413 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
414 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
415 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
416 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
417 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
418 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
419 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
420 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
421 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
422 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
423 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
424 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
425 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
426 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
427 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
428 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
429 unlock_user_struct(target_rusage, target_addr, 1);
430 }
431
432 static inline void target_to_host_timeval(struct timeval *tv,
433 target_ulong target_addr)
434 {
435 struct target_timeval *target_tv;
436
437 lock_user_struct(target_tv, target_addr, 1);
438 tv->tv_sec = tswapl(target_tv->tv_sec);
439 tv->tv_usec = tswapl(target_tv->tv_usec);
440 unlock_user_struct(target_tv, target_addr, 0);
441 }
442
443 static inline void host_to_target_timeval(target_ulong target_addr,
444 const struct timeval *tv)
445 {
446 struct target_timeval *target_tv;
447
448 lock_user_struct(target_tv, target_addr, 0);
449 target_tv->tv_sec = tswapl(tv->tv_sec);
450 target_tv->tv_usec = tswapl(tv->tv_usec);
451 unlock_user_struct(target_tv, target_addr, 1);
452 }
453
454
455 static long do_select(long n,
456 target_ulong rfd_p, target_ulong wfd_p,
457 target_ulong efd_p, target_ulong target_tv)
458 {
459 fd_set rfds, wfds, efds;
460 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
461 target_long *target_rfds, *target_wfds, *target_efds;
462 struct timeval tv, *tv_ptr;
463 long ret;
464 int ok;
465
466 if (rfd_p) {
467 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
468 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
469 } else {
470 target_rfds = NULL;
471 rfds_ptr = NULL;
472 }
473 if (wfd_p) {
474 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
475 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
476 } else {
477 target_wfds = NULL;
478 wfds_ptr = NULL;
479 }
480 if (efd_p) {
481 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
482 efds_ptr = target_to_host_fds(&efds, target_efds, n);
483 } else {
484 target_efds = NULL;
485 efds_ptr = NULL;
486 }
487
488 if (target_tv) {
489 target_to_host_timeval(&tv, target_tv);
490 tv_ptr = &tv;
491 } else {
492 tv_ptr = NULL;
493 }
494 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
495 ok = !is_error(ret);
496
497 if (ok) {
498 host_to_target_fds(target_rfds, rfds_ptr, n);
499 host_to_target_fds(target_wfds, wfds_ptr, n);
500 host_to_target_fds(target_efds, efds_ptr, n);
501
502 if (target_tv) {
503 host_to_target_timeval(target_tv, &tv);
504 }
505 }
506 if (target_rfds)
507 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
508 if (target_wfds)
509 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
510 if (target_efds)
511 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
512
513 return ret;
514 }
515
516 static inline void target_to_host_sockaddr(struct sockaddr *addr,
517 target_ulong target_addr,
518 socklen_t len)
519 {
520 struct target_sockaddr *target_saddr;
521
522 target_saddr = lock_user(target_addr, len, 1);
523 memcpy(addr, target_saddr, len);
524 addr->sa_family = tswap16(target_saddr->sa_family);
525 unlock_user(target_saddr, target_addr, 0);
526 }
527
528 static inline void host_to_target_sockaddr(target_ulong target_addr,
529 struct sockaddr *addr,
530 socklen_t len)
531 {
532 struct target_sockaddr *target_saddr;
533
534 target_saddr = lock_user(target_addr, len, 0);
535 memcpy(target_saddr, addr, len);
536 target_saddr->sa_family = tswap16(addr->sa_family);
537 unlock_user(target_saddr, target_addr, len);
538 }
539
540 /* ??? Should this also swap msgh->name? */
541 static inline void target_to_host_cmsg(struct msghdr *msgh,
542 struct target_msghdr *target_msgh)
543 {
544 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
545 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
546 socklen_t space = 0;
547
548 while (cmsg && target_cmsg) {
549 void *data = CMSG_DATA(cmsg);
550 void *target_data = TARGET_CMSG_DATA(target_cmsg);
551
552 int len = tswapl(target_cmsg->cmsg_len)
553 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
554
555 space += CMSG_SPACE(len);
556 if (space > msgh->msg_controllen) {
557 space -= CMSG_SPACE(len);
558 gemu_log("Host cmsg overflow\n");
559 break;
560 }
561
562 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
563 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
564 cmsg->cmsg_len = CMSG_LEN(len);
565
566 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
567 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
568 memcpy(data, target_data, len);
569 } else {
570 int *fd = (int *)data;
571 int *target_fd = (int *)target_data;
572 int i, numfds = len / sizeof(int);
573
574 for (i = 0; i < numfds; i++)
575 fd[i] = tswap32(target_fd[i]);
576 }
577
578 cmsg = CMSG_NXTHDR(msgh, cmsg);
579 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
580 }
581
582 msgh->msg_controllen = space;
583 }
584
585 /* ??? Should this also swap msgh->name? */
586 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
587 struct msghdr *msgh)
588 {
589 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
590 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
591 socklen_t space = 0;
592
593 while (cmsg && target_cmsg) {
594 void *data = CMSG_DATA(cmsg);
595 void *target_data = TARGET_CMSG_DATA(target_cmsg);
596
597 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
598
599 space += TARGET_CMSG_SPACE(len);
600 if (space > tswapl(target_msgh->msg_controllen)) {
601 space -= TARGET_CMSG_SPACE(len);
602 gemu_log("Target cmsg overflow\n");
603 break;
604 }
605
606 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
607 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
608 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
609
610 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
611 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
612 memcpy(target_data, data, len);
613 } else {
614 int *fd = (int *)data;
615 int *target_fd = (int *)target_data;
616 int i, numfds = len / sizeof(int);
617
618 for (i = 0; i < numfds; i++)
619 target_fd[i] = tswap32(fd[i]);
620 }
621
622 cmsg = CMSG_NXTHDR(msgh, cmsg);
623 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
624 }
625
626 msgh->msg_controllen = tswapl(space);
627 }
628
629 static long do_setsockopt(int sockfd, int level, int optname,
630 target_ulong optval, socklen_t optlen)
631 {
632 int val, ret;
633
634 switch(level) {
635 case SOL_TCP:
636 /* TCP options all take an 'int' value. */
637 if (optlen < sizeof(uint32_t))
638 return -EINVAL;
639
640 val = tget32(optval);
641 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
642 break;
643 case SOL_IP:
644 switch(optname) {
645 case IP_TOS:
646 case IP_TTL:
647 case IP_HDRINCL:
648 case IP_ROUTER_ALERT:
649 case IP_RECVOPTS:
650 case IP_RETOPTS:
651 case IP_PKTINFO:
652 case IP_MTU_DISCOVER:
653 case IP_RECVERR:
654 case IP_RECVTOS:
655 #ifdef IP_FREEBIND
656 case IP_FREEBIND:
657 #endif
658 case IP_MULTICAST_TTL:
659 case IP_MULTICAST_LOOP:
660 val = 0;
661 if (optlen >= sizeof(uint32_t)) {
662 val = tget32(optval);
663 } else if (optlen >= 1) {
664 val = tget8(optval);
665 }
666 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
667 break;
668 default:
669 goto unimplemented;
670 }
671 break;
672 case TARGET_SOL_SOCKET:
673 switch (optname) {
674 /* Options with 'int' argument. */
675 case TARGET_SO_DEBUG:
676 optname = SO_DEBUG;
677 break;
678 case TARGET_SO_REUSEADDR:
679 optname = SO_REUSEADDR;
680 break;
681 case TARGET_SO_TYPE:
682 optname = SO_TYPE;
683 break;
684 case TARGET_SO_ERROR:
685 optname = SO_ERROR;
686 break;
687 case TARGET_SO_DONTROUTE:
688 optname = SO_DONTROUTE;
689 break;
690 case TARGET_SO_BROADCAST:
691 optname = SO_BROADCAST;
692 break;
693 case TARGET_SO_SNDBUF:
694 optname = SO_SNDBUF;
695 break;
696 case TARGET_SO_RCVBUF:
697 optname = SO_RCVBUF;
698 break;
699 case TARGET_SO_KEEPALIVE:
700 optname = SO_KEEPALIVE;
701 break;
702 case TARGET_SO_OOBINLINE:
703 optname = SO_OOBINLINE;
704 break;
705 case TARGET_SO_NO_CHECK:
706 optname = SO_NO_CHECK;
707 break;
708 case TARGET_SO_PRIORITY:
709 optname = SO_PRIORITY;
710 break;
711 #ifdef SO_BSDCOMPAT
712 case TARGET_SO_BSDCOMPAT:
713 optname = SO_BSDCOMPAT;
714 break;
715 #endif
716 case TARGET_SO_PASSCRED:
717 optname = SO_PASSCRED;
718 break;
719 case TARGET_SO_TIMESTAMP:
720 optname = SO_TIMESTAMP;
721 break;
722 case TARGET_SO_RCVLOWAT:
723 optname = SO_RCVLOWAT;
724 break;
725 case TARGET_SO_RCVTIMEO:
726 optname = SO_RCVTIMEO;
727 break;
728 case TARGET_SO_SNDTIMEO:
729 optname = SO_SNDTIMEO;
730 break;
731 break;
732 default:
733 goto unimplemented;
734 }
735 if (optlen < sizeof(uint32_t))
736 return -EINVAL;
737
738 val = tget32(optval);
739 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
740 break;
741 default:
742 unimplemented:
743 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
744 ret = -ENOSYS;
745 }
746 return ret;
747 }
748
749 static long do_getsockopt(int sockfd, int level, int optname,
750 target_ulong optval, target_ulong optlen)
751 {
752 int len, lv, val, ret;
753
754 switch(level) {
755 case TARGET_SOL_SOCKET:
756 level = SOL_SOCKET;
757 switch (optname) {
758 case TARGET_SO_LINGER:
759 case TARGET_SO_RCVTIMEO:
760 case TARGET_SO_SNDTIMEO:
761 case TARGET_SO_PEERCRED:
762 case TARGET_SO_PEERNAME:
763 /* These don't just return a single integer */
764 goto unimplemented;
765 default:
766 goto int_case;
767 }
768 break;
769 case SOL_TCP:
770 /* TCP options all take an 'int' value. */
771 int_case:
772 len = tget32(optlen);
773 if (len < 0)
774 return -EINVAL;
775 lv = sizeof(int);
776 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
777 if (ret < 0)
778 return ret;
779 val = tswap32(val);
780 if (len > lv)
781 len = lv;
782 if (len == 4)
783 tput32(optval, val);
784 else
785 tput8(optval, val);
786 tput32(optlen, len);
787 break;
788 case SOL_IP:
789 switch(optname) {
790 case IP_TOS:
791 case IP_TTL:
792 case IP_HDRINCL:
793 case IP_ROUTER_ALERT:
794 case IP_RECVOPTS:
795 case IP_RETOPTS:
796 case IP_PKTINFO:
797 case IP_MTU_DISCOVER:
798 case IP_RECVERR:
799 case IP_RECVTOS:
800 #ifdef IP_FREEBIND
801 case IP_FREEBIND:
802 #endif
803 case IP_MULTICAST_TTL:
804 case IP_MULTICAST_LOOP:
805 len = tget32(optlen);
806 if (len < 0)
807 return -EINVAL;
808 lv = sizeof(int);
809 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
810 if (ret < 0)
811 return ret;
812 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
813 len = 1;
814 tput32(optlen, len);
815 tput8(optval, val);
816 } else {
817 if (len > sizeof(int))
818 len = sizeof(int);
819 tput32(optlen, len);
820 tput32(optval, val);
821 }
822 break;
823 default:
824 goto unimplemented;
825 }
826 break;
827 default:
828 unimplemented:
829 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
830 level, optname);
831 ret = -ENOSYS;
832 break;
833 }
834 return ret;
835 }
836
837 static void lock_iovec(struct iovec *vec, target_ulong target_addr,
838 int count, int copy)
839 {
840 struct target_iovec *target_vec;
841 target_ulong base;
842 int i;
843
844 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
845 for(i = 0;i < count; i++) {
846 base = tswapl(target_vec[i].iov_base);
847 vec[i].iov_len = tswapl(target_vec[i].iov_len);
848 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
849 }
850 unlock_user (target_vec, target_addr, 0);
851 }
852
853 static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
854 int count, int copy)
855 {
856 struct target_iovec *target_vec;
857 target_ulong base;
858 int i;
859
860 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
861 for(i = 0;i < count; i++) {
862 base = tswapl(target_vec[i].iov_base);
863 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
864 }
865 unlock_user (target_vec, target_addr, 0);
866 }
867
868 static long do_socket(int domain, int type, int protocol)
869 {
870 #if defined(TARGET_MIPS)
871 switch(type) {
872 case TARGET_SOCK_DGRAM:
873 type = SOCK_DGRAM;
874 break;
875 case TARGET_SOCK_STREAM:
876 type = SOCK_STREAM;
877 break;
878 case TARGET_SOCK_RAW:
879 type = SOCK_RAW;
880 break;
881 case TARGET_SOCK_RDM:
882 type = SOCK_RDM;
883 break;
884 case TARGET_SOCK_SEQPACKET:
885 type = SOCK_SEQPACKET;
886 break;
887 case TARGET_SOCK_PACKET:
888 type = SOCK_PACKET;
889 break;
890 }
891 #endif
892 return get_errno(socket(domain, type, protocol));
893 }
894
895 static long do_bind(int sockfd, target_ulong target_addr,
896 socklen_t addrlen)
897 {
898 void *addr = alloca(addrlen);
899
900 target_to_host_sockaddr(addr, target_addr, addrlen);
901 return get_errno(bind(sockfd, addr, addrlen));
902 }
903
904 static long do_connect(int sockfd, target_ulong target_addr,
905 socklen_t addrlen)
906 {
907 void *addr = alloca(addrlen);
908
909 target_to_host_sockaddr(addr, target_addr, addrlen);
910 return get_errno(connect(sockfd, addr, addrlen));
911 }
912
913 static long do_sendrecvmsg(int fd, target_ulong target_msg,
914 int flags, int send)
915 {
916 long ret;
917 struct target_msghdr *msgp;
918 struct msghdr msg;
919 int count;
920 struct iovec *vec;
921 target_ulong target_vec;
922
923 lock_user_struct(msgp, target_msg, 1);
924 if (msgp->msg_name) {
925 msg.msg_namelen = tswap32(msgp->msg_namelen);
926 msg.msg_name = alloca(msg.msg_namelen);
927 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
928 msg.msg_namelen);
929 } else {
930 msg.msg_name = NULL;
931 msg.msg_namelen = 0;
932 }
933 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
934 msg.msg_control = alloca(msg.msg_controllen);
935 msg.msg_flags = tswap32(msgp->msg_flags);
936
937 count = tswapl(msgp->msg_iovlen);
938 vec = alloca(count * sizeof(struct iovec));
939 target_vec = tswapl(msgp->msg_iov);
940 lock_iovec(vec, target_vec, count, send);
941 msg.msg_iovlen = count;
942 msg.msg_iov = vec;
943
944 if (send) {
945 target_to_host_cmsg(&msg, msgp);
946 ret = get_errno(sendmsg(fd, &msg, flags));
947 } else {
948 ret = get_errno(recvmsg(fd, &msg, flags));
949 if (!is_error(ret))
950 host_to_target_cmsg(msgp, &msg);
951 }
952 unlock_iovec(vec, target_vec, count, !send);
953 return ret;
954 }
955
956 static long do_accept(int fd, target_ulong target_addr,
957 target_ulong target_addrlen)
958 {
959 socklen_t addrlen = tget32(target_addrlen);
960 void *addr = alloca(addrlen);
961 long ret;
962
963 ret = get_errno(accept(fd, addr, &addrlen));
964 if (!is_error(ret)) {
965 host_to_target_sockaddr(target_addr, addr, addrlen);
966 tput32(target_addrlen, addrlen);
967 }
968 return ret;
969 }
970
971 static long do_getpeername(int fd, target_ulong target_addr,
972 target_ulong target_addrlen)
973 {
974 socklen_t addrlen = tget32(target_addrlen);
975 void *addr = alloca(addrlen);
976 long ret;
977
978 ret = get_errno(getpeername(fd, addr, &addrlen));
979 if (!is_error(ret)) {
980 host_to_target_sockaddr(target_addr, addr, addrlen);
981 tput32(target_addrlen, addrlen);
982 }
983 return ret;
984 }
985
986 static long do_getsockname(int fd, target_ulong target_addr,
987 target_ulong target_addrlen)
988 {
989 socklen_t addrlen = tget32(target_addrlen);
990 void *addr = alloca(addrlen);
991 long ret;
992
993 ret = get_errno(getsockname(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
1001 static long do_socketpair(int domain, int type, int protocol,
1002 target_ulong target_tab)
1003 {
1004 int tab[2];
1005 long ret;
1006
1007 ret = get_errno(socketpair(domain, type, protocol, tab));
1008 if (!is_error(ret)) {
1009 tput32(target_tab, tab[0]);
1010 tput32(target_tab + 4, tab[1]);
1011 }
1012 return ret;
1013 }
1014
1015 static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
1016 target_ulong target_addr, socklen_t addrlen)
1017 {
1018 void *addr;
1019 void *host_msg;
1020 long ret;
1021
1022 host_msg = lock_user(msg, len, 1);
1023 if (target_addr) {
1024 addr = alloca(addrlen);
1025 target_to_host_sockaddr(addr, target_addr, addrlen);
1026 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1027 } else {
1028 ret = get_errno(send(fd, host_msg, len, flags));
1029 }
1030 unlock_user(host_msg, msg, 0);
1031 return ret;
1032 }
1033
1034 static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
1035 target_ulong target_addr, target_ulong target_addrlen)
1036 {
1037 socklen_t addrlen;
1038 void *addr;
1039 void *host_msg;
1040 long ret;
1041
1042 host_msg = lock_user(msg, len, 0);
1043 if (target_addr) {
1044 addrlen = tget32(target_addrlen);
1045 addr = alloca(addrlen);
1046 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1047 } else {
1048 addr = NULL; /* To keep compiler quiet. */
1049 ret = get_errno(recv(fd, host_msg, len, flags));
1050 }
1051 if (!is_error(ret)) {
1052 if (target_addr) {
1053 host_to_target_sockaddr(target_addr, addr, addrlen);
1054 tput32(target_addrlen, addrlen);
1055 }
1056 unlock_user(host_msg, msg, len);
1057 } else {
1058 unlock_user(host_msg, msg, 0);
1059 }
1060 return ret;
1061 }
1062
1063 static long do_socketcall(int num, target_ulong vptr)
1064 {
1065 long ret;
1066 const int n = sizeof(target_ulong);
1067
1068 switch(num) {
1069 case SOCKOP_socket:
1070 {
1071 int domain = tgetl(vptr);
1072 int type = tgetl(vptr + n);
1073 int protocol = tgetl(vptr + 2 * n);
1074 ret = do_socket(domain, type, protocol);
1075 }
1076 break;
1077 case SOCKOP_bind:
1078 {
1079 int sockfd = tgetl(vptr);
1080 target_ulong target_addr = tgetl(vptr + n);
1081 socklen_t addrlen = tgetl(vptr + 2 * n);
1082 ret = do_bind(sockfd, target_addr, addrlen);
1083 }
1084 break;
1085 case SOCKOP_connect:
1086 {
1087 int sockfd = tgetl(vptr);
1088 target_ulong target_addr = tgetl(vptr + n);
1089 socklen_t addrlen = tgetl(vptr + 2 * n);
1090 ret = do_connect(sockfd, target_addr, addrlen);
1091 }
1092 break;
1093 case SOCKOP_listen:
1094 {
1095 int sockfd = tgetl(vptr);
1096 int backlog = tgetl(vptr + n);
1097 ret = get_errno(listen(sockfd, backlog));
1098 }
1099 break;
1100 case SOCKOP_accept:
1101 {
1102 int sockfd = tgetl(vptr);
1103 target_ulong target_addr = tgetl(vptr + n);
1104 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1105 ret = do_accept(sockfd, target_addr, target_addrlen);
1106 }
1107 break;
1108 case SOCKOP_getsockname:
1109 {
1110 int sockfd = tgetl(vptr);
1111 target_ulong target_addr = tgetl(vptr + n);
1112 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1113 ret = do_getsockname(sockfd, target_addr, target_addrlen);
1114 }
1115 break;
1116 case SOCKOP_getpeername:
1117 {
1118 int sockfd = tgetl(vptr);
1119 target_ulong target_addr = tgetl(vptr + n);
1120 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1121 ret = do_getpeername(sockfd, target_addr, target_addrlen);
1122 }
1123 break;
1124 case SOCKOP_socketpair:
1125 {
1126 int domain = tgetl(vptr);
1127 int type = tgetl(vptr + n);
1128 int protocol = tgetl(vptr + 2 * n);
1129 target_ulong tab = tgetl(vptr + 3 * n);
1130 ret = do_socketpair(domain, type, protocol, tab);
1131 }
1132 break;
1133 case SOCKOP_send:
1134 {
1135 int sockfd = tgetl(vptr);
1136 target_ulong msg = tgetl(vptr + n);
1137 size_t len = tgetl(vptr + 2 * n);
1138 int flags = tgetl(vptr + 3 * n);
1139 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1140 }
1141 break;
1142 case SOCKOP_recv:
1143 {
1144 int sockfd = tgetl(vptr);
1145 target_ulong msg = tgetl(vptr + n);
1146 size_t len = tgetl(vptr + 2 * n);
1147 int flags = tgetl(vptr + 3 * n);
1148 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1149 }
1150 break;
1151 case SOCKOP_sendto:
1152 {
1153 int sockfd = tgetl(vptr);
1154 target_ulong msg = tgetl(vptr + n);
1155 size_t len = tgetl(vptr + 2 * n);
1156 int flags = tgetl(vptr + 3 * n);
1157 target_ulong addr = tgetl(vptr + 4 * n);
1158 socklen_t addrlen = tgetl(vptr + 5 * n);
1159 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1160 }
1161 break;
1162 case SOCKOP_recvfrom:
1163 {
1164 int sockfd = tgetl(vptr);
1165 target_ulong msg = tgetl(vptr + n);
1166 size_t len = tgetl(vptr + 2 * n);
1167 int flags = tgetl(vptr + 3 * n);
1168 target_ulong addr = tgetl(vptr + 4 * n);
1169 target_ulong addrlen = tgetl(vptr + 5 * n);
1170 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1171 }
1172 break;
1173 case SOCKOP_shutdown:
1174 {
1175 int sockfd = tgetl(vptr);
1176 int how = tgetl(vptr + n);
1177
1178 ret = get_errno(shutdown(sockfd, how));
1179 }
1180 break;
1181 case SOCKOP_sendmsg:
1182 case SOCKOP_recvmsg:
1183 {
1184 int fd;
1185 target_ulong target_msg;
1186 int flags;
1187
1188 fd = tgetl(vptr);
1189 target_msg = tgetl(vptr + n);
1190 flags = tgetl(vptr + 2 * n);
1191
1192 ret = do_sendrecvmsg(fd, target_msg, flags,
1193 (num == SOCKOP_sendmsg));
1194 }
1195 break;
1196 case SOCKOP_setsockopt:
1197 {
1198 int sockfd = tgetl(vptr);
1199 int level = tgetl(vptr + n);
1200 int optname = tgetl(vptr + 2 * n);
1201 target_ulong optval = tgetl(vptr + 3 * n);
1202 socklen_t optlen = tgetl(vptr + 4 * n);
1203
1204 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1205 }
1206 break;
1207 case SOCKOP_getsockopt:
1208 {
1209 int sockfd = tgetl(vptr);
1210 int level = tgetl(vptr + n);
1211 int optname = tgetl(vptr + 2 * n);
1212 target_ulong optval = tgetl(vptr + 3 * n);
1213 target_ulong poptlen = tgetl(vptr + 4 * n);
1214
1215 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
1216 }
1217 break;
1218 default:
1219 gemu_log("Unsupported socketcall: %d\n", num);
1220 ret = -ENOSYS;
1221 break;
1222 }
1223 return ret;
1224 }
1225
1226 #define N_SHM_REGIONS 32
1227
1228 static struct shm_region {
1229 uint32_t start;
1230 uint32_t size;
1231 } shm_regions[N_SHM_REGIONS];
1232
1233 union semun {
1234 int val;
1235 struct senid_ds *buf;
1236 unsigned short *array;
1237 };
1238
1239 /* ??? This only works with linear mappings. */
1240 static long do_ipc(long call, long first, long second, long third,
1241 long ptr, long fifth)
1242 {
1243 int version;
1244 long ret = 0;
1245 unsigned long raddr;
1246 struct shmid_ds shm_info;
1247 int i;
1248
1249 version = call >> 16;
1250 call &= 0xffff;
1251
1252 switch (call) {
1253 case IPCOP_semop:
1254 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1255 break;
1256
1257 case IPCOP_semget:
1258 ret = get_errno(semget(first, second, third));
1259 break;
1260
1261 case IPCOP_semctl:
1262 ret = get_errno(semctl(first, second, third, ((union semun*)ptr)->val));
1263
1264 break;
1265
1266 case IPCOP_semtimedop:
1267 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1268 ret = -ENOSYS;
1269 break;
1270
1271 case IPCOP_msgget:
1272 ret = get_errno(msgget(first, second));
1273 break;
1274
1275 case IPCOP_msgsnd:
1276 ret = get_errno(msgsnd(first, (struct msgbuf *) ptr, second, third));
1277 break;
1278
1279 case IPCOP_msgctl:
1280 ret = get_errno(msgctl(first, second, (struct msqid_ds *) ptr));
1281 break;
1282
1283 case IPCOP_msgrcv:
1284 {
1285 struct ipc_kludge
1286 {
1287 void *__unbounded msgp;
1288 long int msgtyp;
1289 };
1290
1291 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1292 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1293
1294 ret = get_errno(msgrcv(first, msgp, second, 0, third));
1295
1296 }
1297 break;
1298
1299 case IPCOP_shmat:
1300 /* SHM_* flags are the same on all linux platforms */
1301 ret = get_errno((long) shmat(first, (void *) ptr, second));
1302 if (is_error(ret))
1303 break;
1304 raddr = ret;
1305 /* find out the length of the shared memory segment */
1306
1307 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1308 if (is_error(ret)) {
1309 /* can't get length, bail out */
1310 shmdt((void *) raddr);
1311 break;
1312 }
1313 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1314 PAGE_VALID | PAGE_READ |
1315 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1316 for (i = 0; i < N_SHM_REGIONS; ++i) {
1317 if (shm_regions[i].start == 0) {
1318 shm_regions[i].start = raddr;
1319 shm_regions[i].size = shm_info.shm_segsz;
1320 break;
1321 }
1322 }
1323 if (put_user(raddr, (uint32_t *)third))
1324 return -EFAULT;
1325 ret = 0;
1326 break;
1327 case IPCOP_shmdt:
1328 for (i = 0; i < N_SHM_REGIONS; ++i) {
1329 if (shm_regions[i].start == ptr) {
1330 shm_regions[i].start = 0;
1331 page_set_flags(ptr, shm_regions[i].size, 0);
1332 break;
1333 }
1334 }
1335 ret = get_errno(shmdt((void *) ptr));
1336 break;
1337
1338 case IPCOP_shmget:
1339 /* IPC_* flag values are the same on all linux platforms */
1340 ret = get_errno(shmget(first, second, third));
1341 break;
1342
1343 /* IPC_* and SHM_* command values are the same on all linux platforms */
1344 case IPCOP_shmctl:
1345 switch(second) {
1346 case IPC_RMID:
1347 case SHM_LOCK:
1348 case SHM_UNLOCK:
1349 ret = get_errno(shmctl(first, second, NULL));
1350 break;
1351 default:
1352 goto unimplemented;
1353 }
1354 break;
1355 default:
1356 unimplemented:
1357 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1358 ret = -ENOSYS;
1359 break;
1360 }
1361 return ret;
1362 }
1363
1364 /* kernel structure types definitions */
1365 #define IFNAMSIZ 16
1366
1367 #define STRUCT(name, list...) STRUCT_ ## name,
1368 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
1369 enum {
1370 #include "syscall_types.h"
1371 };
1372 #undef STRUCT
1373 #undef STRUCT_SPECIAL
1374
1375 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1376 #define STRUCT_SPECIAL(name)
1377 #include "syscall_types.h"
1378 #undef STRUCT
1379 #undef STRUCT_SPECIAL
1380
1381 typedef struct IOCTLEntry {
1382 unsigned int target_cmd;
1383 unsigned int host_cmd;
1384 const char *name;
1385 int access;
1386 const argtype arg_type[5];
1387 } IOCTLEntry;
1388
1389 #define IOC_R 0x0001
1390 #define IOC_W 0x0002
1391 #define IOC_RW (IOC_R | IOC_W)
1392
1393 #define MAX_STRUCT_SIZE 4096
1394
1395 IOCTLEntry ioctl_entries[] = {
1396 #define IOCTL(cmd, access, types...) \
1397 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1398 #include "ioctls.h"
1399 { 0, 0, },
1400 };
1401
1402 /* ??? Implement proper locking for ioctls. */
1403 static long do_ioctl(long fd, long cmd, long arg)
1404 {
1405 const IOCTLEntry *ie;
1406 const argtype *arg_type;
1407 long ret;
1408 uint8_t buf_temp[MAX_STRUCT_SIZE];
1409 int target_size;
1410 void *argptr;
1411
1412 ie = ioctl_entries;
1413 for(;;) {
1414 if (ie->target_cmd == 0) {
1415 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1416 return -ENOSYS;
1417 }
1418 if (ie->target_cmd == cmd)
1419 break;
1420 ie++;
1421 }
1422 arg_type = ie->arg_type;
1423 #if defined(DEBUG)
1424 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1425 #endif
1426 switch(arg_type[0]) {
1427 case TYPE_NULL:
1428 /* no argument */
1429 ret = get_errno(ioctl(fd, ie->host_cmd));
1430 break;
1431 case TYPE_PTRVOID:
1432 case TYPE_INT:
1433 /* int argment */
1434 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1435 break;
1436 case TYPE_PTR:
1437 arg_type++;
1438 target_size = thunk_type_size(arg_type, 0);
1439 switch(ie->access) {
1440 case IOC_R:
1441 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1442 if (!is_error(ret)) {
1443 argptr = lock_user(arg, target_size, 0);
1444 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1445 unlock_user(argptr, arg, target_size);
1446 }
1447 break;
1448 case IOC_W:
1449 argptr = lock_user(arg, target_size, 1);
1450 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1451 unlock_user(argptr, arg, 0);
1452 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1453 break;
1454 default:
1455 case IOC_RW:
1456 argptr = lock_user(arg, target_size, 1);
1457 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1458 unlock_user(argptr, arg, 0);
1459 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1460 if (!is_error(ret)) {
1461 argptr = lock_user(arg, target_size, 0);
1462 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1463 unlock_user(argptr, arg, target_size);
1464 }
1465 break;
1466 }
1467 break;
1468 default:
1469 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1470 ret = -ENOSYS;
1471 break;
1472 }
1473 return ret;
1474 }
1475
1476 bitmask_transtbl iflag_tbl[] = {
1477 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1478 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1479 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1480 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1481 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1482 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1483 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1484 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1485 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1486 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1487 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1488 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1489 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1490 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1491 { 0, 0, 0, 0 }
1492 };
1493
1494 bitmask_transtbl oflag_tbl[] = {
1495 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1496 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1497 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1498 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1499 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1500 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1501 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1502 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1503 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1504 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1505 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1506 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1507 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1508 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1509 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1510 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1511 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1512 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1513 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1514 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1515 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1516 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1517 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1518 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1519 { 0, 0, 0, 0 }
1520 };
1521
1522 bitmask_transtbl cflag_tbl[] = {
1523 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1524 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1525 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1526 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1527 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1528 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1529 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1530 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1531 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1532 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1533 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1534 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1535 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1536 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1537 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1538 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1539 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1540 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1541 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1542 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1543 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1544 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1545 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1546 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1547 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1548 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1549 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1550 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1551 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1552 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1553 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1554 { 0, 0, 0, 0 }
1555 };
1556
1557 bitmask_transtbl lflag_tbl[] = {
1558 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1559 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1560 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1561 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1562 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1563 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1564 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1565 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1566 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1567 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1568 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1569 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1570 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1571 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1572 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1573 { 0, 0, 0, 0 }
1574 };
1575
1576 static void target_to_host_termios (void *dst, const void *src)
1577 {
1578 struct host_termios *host = dst;
1579 const struct target_termios *target = src;
1580
1581 host->c_iflag =
1582 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1583 host->c_oflag =
1584 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1585 host->c_cflag =
1586 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1587 host->c_lflag =
1588 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1589 host->c_line = target->c_line;
1590
1591 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1592 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1593 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1594 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1595 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1596 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1597 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1598 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1599 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1600 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1601 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1602 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1603 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1604 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1605 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1606 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1607 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1608 }
1609
1610 static void host_to_target_termios (void *dst, const void *src)
1611 {
1612 struct target_termios *target = dst;
1613 const struct host_termios *host = src;
1614
1615 target->c_iflag =
1616 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1617 target->c_oflag =
1618 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1619 target->c_cflag =
1620 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1621 target->c_lflag =
1622 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1623 target->c_line = host->c_line;
1624
1625 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1626 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1627 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1628 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1629 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1630 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1631 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1632 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1633 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1634 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1635 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1636 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1637 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1638 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1639 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1640 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1641 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1642 }
1643
1644 StructEntry struct_termios_def = {
1645 .convert = { host_to_target_termios, target_to_host_termios },
1646 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1647 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1648 };
1649
1650 static bitmask_transtbl mmap_flags_tbl[] = {
1651 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1652 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1653 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1654 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1655 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1656 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1657 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1658 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1659 { 0, 0, 0, 0 }
1660 };
1661
1662 static bitmask_transtbl fcntl_flags_tbl[] = {
1663 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1664 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1665 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1666 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1667 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1668 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1669 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1670 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1671 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1672 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1673 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1674 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1675 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1676 #if defined(O_DIRECT)
1677 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
1678 #endif
1679 { 0, 0, 0, 0 }
1680 };
1681
1682 #if defined(TARGET_I386)
1683
1684 /* NOTE: there is really one LDT for all the threads */
1685 uint8_t *ldt_table;
1686
1687 static int read_ldt(target_ulong ptr, unsigned long bytecount)
1688 {
1689 int size;
1690 void *p;
1691
1692 if (!ldt_table)
1693 return 0;
1694 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1695 if (size > bytecount)
1696 size = bytecount;
1697 p = lock_user(ptr, size, 0);
1698 /* ??? Shoudl this by byteswapped? */
1699 memcpy(p, ldt_table, size);
1700 unlock_user(p, ptr, size);
1701 return size;
1702 }
1703
1704 /* XXX: add locking support */
1705 static int write_ldt(CPUX86State *env,
1706 target_ulong ptr, unsigned long bytecount, int oldmode)
1707 {
1708 struct target_modify_ldt_ldt_s ldt_info;
1709 struct target_modify_ldt_ldt_s *target_ldt_info;
1710 int seg_32bit, contents, read_exec_only, limit_in_pages;
1711 int seg_not_present, useable;
1712 uint32_t *lp, entry_1, entry_2;
1713
1714 if (bytecount != sizeof(ldt_info))
1715 return -EINVAL;
1716 lock_user_struct(target_ldt_info, ptr, 1);
1717 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1718 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1719 ldt_info.limit = tswap32(target_ldt_info->limit);
1720 ldt_info.flags = tswap32(target_ldt_info->flags);
1721 unlock_user_struct(target_ldt_info, ptr, 0);
1722
1723 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1724 return -EINVAL;
1725 seg_32bit = ldt_info.flags & 1;
1726 contents = (ldt_info.flags >> 1) & 3;
1727 read_exec_only = (ldt_info.flags >> 3) & 1;
1728 limit_in_pages = (ldt_info.flags >> 4) & 1;
1729 seg_not_present = (ldt_info.flags >> 5) & 1;
1730 useable = (ldt_info.flags >> 6) & 1;
1731
1732 if (contents == 3) {
1733 if (oldmode)
1734 return -EINVAL;
1735 if (seg_not_present == 0)
1736 return -EINVAL;
1737 }
1738 /* allocate the LDT */
1739 if (!ldt_table) {
1740 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1741 if (!ldt_table)
1742 return -ENOMEM;
1743 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1744 env->ldt.base = h2g(ldt_table);
1745 env->ldt.limit = 0xffff;
1746 }
1747
1748 /* NOTE: same code as Linux kernel */
1749 /* Allow LDTs to be cleared by the user. */
1750 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1751 if (oldmode ||
1752 (contents == 0 &&
1753 read_exec_only == 1 &&
1754 seg_32bit == 0 &&
1755 limit_in_pages == 0 &&
1756 seg_not_present == 1 &&
1757 useable == 0 )) {
1758 entry_1 = 0;
1759 entry_2 = 0;
1760 goto install;
1761 }
1762 }
1763
1764 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1765 (ldt_info.limit & 0x0ffff);
1766 entry_2 = (ldt_info.base_addr & 0xff000000) |
1767 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1768 (ldt_info.limit & 0xf0000) |
1769 ((read_exec_only ^ 1) << 9) |
1770 (contents << 10) |
1771 ((seg_not_present ^ 1) << 15) |
1772 (seg_32bit << 22) |
1773 (limit_in_pages << 23) |
1774 0x7000;
1775 if (!oldmode)
1776 entry_2 |= (useable << 20);
1777
1778 /* Install the new entry ... */
1779 install:
1780 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1781 lp[0] = tswap32(entry_1);
1782 lp[1] = tswap32(entry_2);
1783 return 0;
1784 }
1785
1786 /* specific and weird i386 syscalls */
1787 int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
1788 {
1789 int ret = -ENOSYS;
1790
1791 switch (func) {
1792 case 0:
1793 ret = read_ldt(ptr, bytecount);
1794 break;
1795 case 1:
1796 ret = write_ldt(env, ptr, bytecount, 1);
1797 break;
1798 case 0x11:
1799 ret = write_ldt(env, ptr, bytecount, 0);
1800 break;
1801 }
1802 return ret;
1803 }
1804
1805 #endif /* defined(TARGET_I386) */
1806
1807 /* this stack is the equivalent of the kernel stack associated with a
1808 thread/process */
1809 #define NEW_STACK_SIZE 8192
1810
1811 static int clone_func(void *arg)
1812 {
1813 CPUState *env = arg;
1814 cpu_loop(env);
1815 /* never exits */
1816 return 0;
1817 }
1818
1819 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1820 {
1821 int ret;
1822 TaskState *ts;
1823 uint8_t *new_stack;
1824 CPUState *new_env;
1825
1826 if (flags & CLONE_VM) {
1827 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1828 memset(ts, 0, sizeof(TaskState));
1829 new_stack = ts->stack;
1830 ts->used = 1;
1831 /* add in task state list */
1832 ts->next = first_task_state;
1833 first_task_state = ts;
1834 /* we create a new CPU instance. */
1835 new_env = cpu_copy(env);
1836 #if defined(TARGET_I386)
1837 if (!newsp)
1838 newsp = env->regs[R_ESP];
1839 new_env->regs[R_ESP] = newsp;
1840 new_env->regs[R_EAX] = 0;
1841 #elif defined(TARGET_ARM)
1842 if (!newsp)
1843 newsp = env->regs[13];
1844 new_env->regs[13] = newsp;
1845 new_env->regs[0] = 0;
1846 #elif defined(TARGET_SPARC)
1847 if (!newsp)
1848 newsp = env->regwptr[22];
1849 new_env->regwptr[22] = newsp;
1850 new_env->regwptr[0] = 0;
1851 /* XXXXX */
1852 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1853 #elif defined(TARGET_M68K)
1854 if (!newsp)
1855 newsp = env->aregs[7];
1856 new_env->aregs[7] = newsp;
1857 new_env->dregs[0] = 0;
1858 /* ??? is this sufficient? */
1859 #elif defined(TARGET_MIPS)
1860 if (!newsp)
1861 newsp = env->gpr[29];
1862 new_env->gpr[29] = newsp;
1863 #elif defined(TARGET_PPC)
1864 if (!newsp)
1865 newsp = env->gpr[1];
1866 new_env->gpr[1] = newsp;
1867 {
1868 int i;
1869 for (i = 7; i < 32; i++)
1870 new_env->gpr[i] = 0;
1871 }
1872 #elif defined(TARGET_SH4)
1873 if (!newsp)
1874 newsp = env->gregs[15];
1875 new_env->gregs[15] = newsp;
1876 /* XXXXX */
1877 #elif defined(TARGET_ALPHA)
1878 if (!newsp)
1879 newsp = env->ir[30];
1880 new_env->ir[30] = newsp;
1881 /* ? */
1882 {
1883 int i;
1884 for (i = 7; i < 30; i++)
1885 new_env->ir[i] = 0;
1886 }
1887 #else
1888 #error unsupported target CPU
1889 #endif
1890 new_env->opaque = ts;
1891 #ifdef __ia64__
1892 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1893 #else
1894 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1895 #endif
1896 } else {
1897 /* if no CLONE_VM, we consider it is a fork */
1898 if ((flags & ~CSIGNAL) != 0)
1899 return -EINVAL;
1900 ret = fork();
1901 }
1902 return ret;
1903 }
1904
1905 static long do_fcntl(int fd, int cmd, target_ulong arg)
1906 {
1907 struct flock fl;
1908 struct target_flock *target_fl;
1909 struct flock64 fl64;
1910 struct target_flock64 *target_fl64;
1911 long ret;
1912
1913 switch(cmd) {
1914 case TARGET_F_GETLK:
1915 lock_user_struct(target_fl, arg, 1);
1916 fl.l_type = tswap16(target_fl->l_type);
1917 fl.l_whence = tswap16(target_fl->l_whence);
1918 fl.l_start = tswapl(target_fl->l_start);
1919 fl.l_len = tswapl(target_fl->l_len);
1920 fl.l_pid = tswapl(target_fl->l_pid);
1921 unlock_user_struct(target_fl, arg, 0);
1922 ret = fcntl(fd, cmd, &fl);
1923 if (ret == 0) {
1924 lock_user_struct(target_fl, arg, 0);
1925 target_fl->l_type = tswap16(fl.l_type);
1926 target_fl->l_whence = tswap16(fl.l_whence);
1927 target_fl->l_start = tswapl(fl.l_start);
1928 target_fl->l_len = tswapl(fl.l_len);
1929 target_fl->l_pid = tswapl(fl.l_pid);
1930 unlock_user_struct(target_fl, arg, 1);
1931 }
1932 break;
1933
1934 case TARGET_F_SETLK:
1935 case TARGET_F_SETLKW:
1936 lock_user_struct(target_fl, arg, 1);
1937 fl.l_type = tswap16(target_fl->l_type);
1938 fl.l_whence = tswap16(target_fl->l_whence);
1939 fl.l_start = tswapl(target_fl->l_start);
1940 fl.l_len = tswapl(target_fl->l_len);
1941 fl.l_pid = tswapl(target_fl->l_pid);
1942 unlock_user_struct(target_fl, arg, 0);
1943 ret = fcntl(fd, cmd, &fl);
1944 break;
1945
1946 case TARGET_F_GETLK64:
1947 lock_user_struct(target_fl64, arg, 1);
1948 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1949 fl64.l_whence = tswap16(target_fl64->l_whence);
1950 fl64.l_start = tswapl(target_fl64->l_start);
1951 fl64.l_len = tswapl(target_fl64->l_len);
1952 fl64.l_pid = tswap16(target_fl64->l_pid);
1953 unlock_user_struct(target_fl64, arg, 0);
1954 ret = fcntl(fd, cmd >> 1, &fl64);
1955 if (ret == 0) {
1956 lock_user_struct(target_fl64, arg, 0);
1957 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
1958 target_fl64->l_whence = tswap16(fl64.l_whence);
1959 target_fl64->l_start = tswapl(fl64.l_start);
1960 target_fl64->l_len = tswapl(fl64.l_len);
1961 target_fl64->l_pid = tswapl(fl64.l_pid);
1962 unlock_user_struct(target_fl64, arg, 1);
1963 }
1964 break;
1965 case TARGET_F_SETLK64:
1966 case TARGET_F_SETLKW64:
1967 lock_user_struct(target_fl64, arg, 1);
1968 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1969 fl64.l_whence = tswap16(target_fl64->l_whence);
1970 fl64.l_start = tswapl(target_fl64->l_start);
1971 fl64.l_len = tswapl(target_fl64->l_len);
1972 fl64.l_pid = tswap16(target_fl64->l_pid);
1973 unlock_user_struct(target_fl64, arg, 0);
1974 ret = fcntl(fd, cmd >> 1, &fl64);
1975 break;
1976
1977 case F_GETFL:
1978 ret = fcntl(fd, cmd, arg);
1979 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1980 break;
1981
1982 case F_SETFL:
1983 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1984 break;
1985
1986 default:
1987 ret = fcntl(fd, cmd, arg);
1988 break;
1989 }
1990 return ret;
1991 }
1992
1993 #ifdef USE_UID16
1994
1995 static inline int high2lowuid(int uid)
1996 {
1997 if (uid > 65535)
1998 return 65534;
1999 else
2000 return uid;
2001 }
2002
2003 static inline int high2lowgid(int gid)
2004 {
2005 if (gid > 65535)
2006 return 65534;
2007 else
2008 return gid;
2009 }
2010
2011 static inline int low2highuid(int uid)
2012 {
2013 if ((int16_t)uid == -1)
2014 return -1;
2015 else
2016 return uid;
2017 }
2018
2019 static inline int low2highgid(int gid)
2020 {
2021 if ((int16_t)gid == -1)
2022 return -1;
2023 else
2024 return gid;
2025 }
2026
2027 #endif /* USE_UID16 */
2028
2029 void syscall_init(void)
2030 {
2031 IOCTLEntry *ie;
2032 const argtype *arg_type;
2033 int size;
2034
2035 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
2036 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
2037 #include "syscall_types.h"
2038 #undef STRUCT
2039 #undef STRUCT_SPECIAL
2040
2041 /* we patch the ioctl size if necessary. We rely on the fact that
2042 no ioctl has all the bits at '1' in the size field */
2043 ie = ioctl_entries;
2044 while (ie->target_cmd != 0) {
2045 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2046 TARGET_IOC_SIZEMASK) {
2047 arg_type = ie->arg_type;
2048 if (arg_type[0] != TYPE_PTR) {
2049 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2050 ie->target_cmd);
2051 exit(1);
2052 }
2053 arg_type++;
2054 size = thunk_type_size(arg_type, 0);
2055 ie->target_cmd = (ie->target_cmd &
2056 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2057 (size << TARGET_IOC_SIZESHIFT);
2058 }
2059 /* automatic consistency check if same arch */
2060 #if defined(__i386__) && defined(TARGET_I386)
2061 if (ie->target_cmd != ie->host_cmd) {
2062 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
2063 ie->target_cmd, ie->host_cmd);
2064 }
2065 #endif
2066 ie++;
2067 }
2068 }
2069
2070 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2071 {
2072 #ifdef TARGET_WORDS_BIG_ENDIAN
2073 return ((uint64_t)word0 << 32) | word1;
2074 #else
2075 return ((uint64_t)word1 << 32) | word0;
2076 #endif
2077 }
2078
2079 #ifdef TARGET_NR_truncate64
2080 static inline long target_truncate64(void *cpu_env, const char *arg1,
2081 long arg2, long arg3, long arg4)
2082 {
2083 #ifdef TARGET_ARM
2084 if (((CPUARMState *)cpu_env)->eabi)
2085 {
2086 arg2 = arg3;
2087 arg3 = arg4;
2088 }
2089 #endif
2090 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
2091 }
2092 #endif
2093
2094 #ifdef TARGET_NR_ftruncate64
2095 static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
2096 long arg3, long arg4)
2097 {
2098 #ifdef TARGET_ARM
2099 if (((CPUARMState *)cpu_env)->eabi)
2100 {
2101 arg2 = arg3;
2102 arg3 = arg4;
2103 }
2104 #endif
2105 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
2106 }
2107 #endif
2108
2109 static inline void target_to_host_timespec(struct timespec *host_ts,
2110 target_ulong target_addr)
2111 {
2112 struct target_timespec *target_ts;
2113
2114 lock_user_struct(target_ts, target_addr, 1);
2115 host_ts->tv_sec = tswapl(target_ts->tv_sec);
2116 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2117 unlock_user_struct(target_ts, target_addr, 0);
2118 }
2119
2120 static inline void host_to_target_timespec(target_ulong target_addr,
2121 struct timespec *host_ts)
2122 {
2123 struct target_timespec *target_ts;
2124
2125 lock_user_struct(target_ts, target_addr, 0);
2126 target_ts->tv_sec = tswapl(host_ts->tv_sec);
2127 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2128 unlock_user_struct(target_ts, target_addr, 1);
2129 }
2130
2131 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
2132 long arg4, long arg5, long arg6)
2133 {
2134 long ret;
2135 struct stat st;
2136 struct statfs stfs;
2137 void *p;
2138
2139 #ifdef DEBUG
2140 gemu_log("syscall %d", num);
2141 #endif
2142 switch(num) {
2143 case TARGET_NR_exit:
2144 #ifdef HAVE_GPROF
2145 _mcleanup();
2146 #endif
2147 gdb_exit(cpu_env, arg1);
2148 /* XXX: should free thread stack and CPU env */
2149 _exit(arg1);
2150 ret = 0; /* avoid warning */
2151 break;
2152 case TARGET_NR_read:
2153 page_unprotect_range(arg2, arg3);
2154 p = lock_user(arg2, arg3, 0);
2155 ret = get_errno(read(arg1, p, arg3));
2156 unlock_user(p, arg2, ret);
2157 break;
2158 case TARGET_NR_write:
2159 p = lock_user(arg2, arg3, 1);
2160 ret = get_errno(write(arg1, p, arg3));
2161 unlock_user(p, arg2, 0);
2162 break;
2163 case TARGET_NR_open:
2164 p = lock_user_string(arg1);
2165 ret = get_errno(open(path(p),
2166 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2167 arg3));
2168 unlock_user(p, arg1, 0);
2169 break;
2170 case TARGET_NR_close:
2171 ret = get_errno(close(arg1));
2172 break;
2173 case TARGET_NR_brk:
2174 ret = do_brk(arg1);
2175 break;
2176 case TARGET_NR_fork:
2177 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
2178 break;
2179 #ifdef TARGET_NR_waitpid
2180 case TARGET_NR_waitpid:
2181 {
2182 int status;
2183 ret = get_errno(waitpid(arg1, &status, arg3));
2184 if (!is_error(ret) && arg2)
2185 tput32(arg2, status);
2186 }
2187 break;
2188 #endif
2189 #ifdef TARGET_NR_creat /* not on alpha */
2190 case TARGET_NR_creat:
2191 p = lock_user_string(arg1);
2192 ret = get_errno(creat(p, arg2));
2193 unlock_user(p, arg1, 0);
2194 break;
2195 #endif
2196 case TARGET_NR_link:
2197 {
2198 void * p2;
2199 p = lock_user_string(arg1);
2200 p2 = lock_user_string(arg2);
2201 ret = get_errno(link(p, p2));
2202 unlock_user(p2, arg2, 0);
2203 unlock_user(p, arg1, 0);
2204 }
2205 break;
2206 case TARGET_NR_unlink:
2207 p = lock_user_string(arg1);
2208 ret = get_errno(unlink(p));
2209 unlock_user(p, arg1, 0);
2210 break;
2211 case TARGET_NR_execve:
2212 {
2213 char **argp, **envp;
2214 int argc, envc;
2215 target_ulong gp;
2216 target_ulong guest_argp;
2217 target_ulong guest_envp;
2218 target_ulong addr;
2219 char **q;
2220
2221 argc = 0;
2222 guest_argp = arg2;
2223 for (gp = guest_argp; tgetl(gp); gp++)
2224 argc++;
2225 envc = 0;
2226 guest_envp = arg3;
2227 for (gp = guest_envp; tgetl(gp); gp++)
2228 envc++;
2229
2230 argp = alloca((argc + 1) * sizeof(void *));
2231 envp = alloca((envc + 1) * sizeof(void *));
2232
2233 for (gp = guest_argp, q = argp; ;
2234 gp += sizeof(target_ulong), q++) {
2235 addr = tgetl(gp);
2236 if (!addr)
2237 break;
2238 *q = lock_user_string(addr);
2239 }
2240 *q = NULL;
2241
2242 for (gp = guest_envp, q = envp; ;
2243 gp += sizeof(target_ulong), q++) {
2244 addr = tgetl(gp);
2245 if (!addr)
2246 break;
2247 *q = lock_user_string(addr);
2248 }
2249 *q = NULL;
2250
2251 p = lock_user_string(arg1);
2252 ret = get_errno(execve(p, argp, envp));
2253 unlock_user(p, arg1, 0);
2254
2255 for (gp = guest_argp, q = argp; *q;
2256 gp += sizeof(target_ulong), q++) {
2257 addr = tgetl(gp);
2258 unlock_user(*q, addr, 0);
2259 }
2260 for (gp = guest_envp, q = envp; *q;
2261 gp += sizeof(target_ulong), q++) {
2262 addr = tgetl(gp);
2263 unlock_user(*q, addr, 0);
2264 }
2265 }
2266 break;
2267 case TARGET_NR_chdir:
2268 p = lock_user_string(arg1);
2269 ret = get_errno(chdir(p));
2270 unlock_user(p, arg1, 0);
2271 break;
2272 #ifdef TARGET_NR_time
2273 case TARGET_NR_time:
2274 {
2275 time_t host_time;
2276 ret = get_errno(time(&host_time));
2277 if (!is_error(ret) && arg1)
2278 tputl(arg1, host_time);
2279 }
2280 break;
2281 #endif
2282 case TARGET_NR_mknod:
2283 p = lock_user_string(arg1);
2284 ret = get_errno(mknod(p, arg2, arg3));
2285 unlock_user(p, arg1, 0);
2286 break;
2287 case TARGET_NR_chmod:
2288 p = lock_user_string(arg1);
2289 ret = get_errno(chmod(p, arg2));
2290 unlock_user(p, arg1, 0);
2291 break;
2292 #ifdef TARGET_NR_break
2293 case TARGET_NR_break:
2294 goto unimplemented;
2295 #endif
2296 #ifdef TARGET_NR_oldstat
2297 case TARGET_NR_oldstat:
2298 goto unimplemented;
2299 #endif
2300 case TARGET_NR_lseek:
2301 ret = get_errno(lseek(arg1, arg2, arg3));
2302 break;
2303 #ifdef TARGET_NR_getxpid
2304 case TARGET_NR_getxpid:
2305 #else
2306 case TARGET_NR_getpid:
2307 #endif
2308 ret = get_errno(getpid());
2309 break;
2310 case TARGET_NR_mount:
2311 {
2312 /* need to look at the data field */
2313 void *p2, *p3;
2314 p = lock_user_string(arg1);
2315 p2 = lock_user_string(arg2);
2316 p3 = lock_user_string(arg3);
2317 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2318 unlock_user(p, arg1, 0);
2319 unlock_user(p2, arg2, 0);
2320 unlock_user(p3, arg3, 0);
2321 break;
2322 }
2323 #ifdef TARGET_NR_umount
2324 case TARGET_NR_umount:
2325 p = lock_user_string(arg1);
2326 ret = get_errno(umount(p));
2327 unlock_user(p, arg1, 0);
2328 break;
2329 #endif
2330 #ifdef TARGET_NR_stime /* not on alpha */
2331 case TARGET_NR_stime:
2332 {
2333 time_t host_time;
2334 host_time = tgetl(arg1);
2335 ret = get_errno(stime(&host_time));
2336 }
2337 break;
2338 #endif
2339 case TARGET_NR_ptrace:
2340 goto unimplemented;
2341 #ifdef TARGET_NR_alarm /* not on alpha */
2342 case TARGET_NR_alarm:
2343 ret = alarm(arg1);
2344 break;
2345 #endif
2346 #ifdef TARGET_NR_oldfstat
2347 case TARGET_NR_oldfstat:
2348 goto unimplemented;
2349 #endif
2350 #ifdef TARGET_NR_pause /* not on alpha */
2351 case TARGET_NR_pause:
2352 ret = get_errno(pause());
2353 break;
2354 #endif
2355 #ifdef TARGET_NR_utime
2356 case TARGET_NR_utime:
2357 {
2358 struct utimbuf tbuf, *host_tbuf;
2359 struct target_utimbuf *target_tbuf;
2360 if (arg2) {
2361 lock_user_struct(target_tbuf, arg2, 1);
2362 tbuf.actime = tswapl(target_tbuf->actime);
2363 tbuf.modtime = tswapl(target_tbuf->modtime);
2364 unlock_user_struct(target_tbuf, arg2, 0);
2365 host_tbuf = &tbuf;
2366 } else {
2367 host_tbuf = NULL;
2368 }
2369 p = lock_user_string(arg1);
2370 ret = get_errno(utime(p, host_tbuf));
2371 unlock_user(p, arg1, 0);
2372 }
2373 break;
2374 #endif
2375 case TARGET_NR_utimes:
2376 {
2377 struct timeval *tvp, tv[2];
2378 if (arg2) {
2379 target_to_host_timeval(&tv[0], arg2);
2380 target_to_host_timeval(&tv[1],
2381 arg2 + sizeof (struct target_timeval));
2382 tvp = tv;
2383 } else {
2384 tvp = NULL;
2385 }
2386 p = lock_user_string(arg1);
2387 ret = get_errno(utimes(p, tvp));
2388 unlock_user(p, arg1, 0);
2389 }
2390 break;
2391 #ifdef TARGET_NR_stty
2392 case TARGET_NR_stty:
2393 goto unimplemented;
2394 #endif
2395 #ifdef TARGET_NR_gtty
2396 case TARGET_NR_gtty:
2397 goto unimplemented;
2398 #endif
2399 case TARGET_NR_access:
2400 p = lock_user_string(arg1);
2401 ret = get_errno(access(p, arg2));
2402 unlock_user(p, arg1, 0);
2403 break;
2404 #ifdef TARGET_NR_nice /* not on alpha */
2405 case TARGET_NR_nice:
2406 ret = get_errno(nice(arg1));
2407 break;
2408 #endif
2409 #ifdef TARGET_NR_ftime
2410 case TARGET_NR_ftime:
2411 goto unimplemented;
2412 #endif
2413 case TARGET_NR_sync:
2414 sync();
2415 ret = 0;
2416 break;
2417 case TARGET_NR_kill:
2418 ret = get_errno(kill(arg1, arg2));
2419 break;
2420 case TARGET_NR_rename:
2421 {
2422 void *p2;
2423 p = lock_user_string(arg1);
2424 p2 = lock_user_string(arg2);
2425 ret = get_errno(rename(p, p2));
2426 unlock_user(p2, arg2, 0);
2427 unlock_user(p, arg1, 0);
2428 }
2429 break;
2430 case TARGET_NR_mkdir:
2431 p = lock_user_string(arg1);
2432 ret = get_errno(mkdir(p, arg2));
2433 unlock_user(p, arg1, 0);
2434 break;
2435 case TARGET_NR_rmdir:
2436 p = lock_user_string(arg1);
2437 ret = get_errno(rmdir(p));
2438 unlock_user(p, arg1, 0);
2439 break;
2440 case TARGET_NR_dup:
2441 ret = get_errno(dup(arg1));
2442 break;
2443 case TARGET_NR_pipe:
2444 {
2445 int host_pipe[2];
2446 ret = get_errno(pipe(host_pipe));
2447 if (!is_error(ret)) {
2448 #if defined(TARGET_MIPS)
2449 ((CPUMIPSState*)cpu_env)->gpr[3] = host_pipe[1];
2450 ret = host_pipe[0];
2451 #else
2452 tput32(arg1, host_pipe[0]);
2453 tput32(arg1 + 4, host_pipe[1]);
2454 #endif
2455 }
2456 }
2457 break;
2458 case TARGET_NR_times:
2459 {
2460 struct target_tms *tmsp;
2461 struct tms tms;
2462 ret = get_errno(times(&tms));
2463 if (arg1) {
2464 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
2465 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2466 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2467 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2468 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2469 }
2470 if (!is_error(ret))
2471 ret = host_to_target_clock_t(ret);
2472 }
2473 break;
2474 #ifdef TARGET_NR_prof
2475 case TARGET_NR_prof:
2476 goto unimplemented;
2477 #endif
2478 #ifdef TARGET_NR_signal
2479 case TARGET_NR_signal:
2480 goto unimplemented;
2481 #endif
2482 case TARGET_NR_acct:
2483 p = lock_user_string(arg1);
2484 ret = get_errno(acct(path(p)));
2485 unlock_user(p, arg1, 0);
2486 break;
2487 #ifdef TARGET_NR_umount2 /* not on alpha */
2488 case TARGET_NR_umount2:
2489 p = lock_user_string(arg1);
2490 ret = get_errno(umount2(p, arg2));
2491 unlock_user(p, arg1, 0);
2492 break;
2493 #endif
2494 #ifdef TARGET_NR_lock
2495 case TARGET_NR_lock:
2496 goto unimplemented;
2497 #endif
2498 case TARGET_NR_ioctl:
2499 ret = do_ioctl(arg1, arg2, arg3);
2500 break;
2501 case TARGET_NR_fcntl:
2502 ret = get_errno(do_fcntl(arg1, arg2, arg3));
2503 break;
2504 #ifdef TARGET_NR_mpx
2505 case TARGET_NR_mpx:
2506 goto unimplemented;
2507 #endif
2508 case TARGET_NR_setpgid:
2509 ret = get_errno(setpgid(arg1, arg2));
2510 break;
2511 #ifdef TARGET_NR_ulimit
2512 case TARGET_NR_ulimit:
2513 goto unimplemented;
2514 #endif
2515 #ifdef TARGET_NR_oldolduname
2516 case TARGET_NR_oldolduname:
2517 goto unimplemented;
2518 #endif
2519 case TARGET_NR_umask:
2520 ret = get_errno(umask(arg1));
2521 break;
2522 case TARGET_NR_chroot:
2523 p = lock_user_string(arg1);
2524 ret = get_errno(chroot(p));
2525 unlock_user(p, arg1, 0);
2526 break;
2527 case TARGET_NR_ustat:
2528 goto unimplemented;
2529 case TARGET_NR_dup2:
2530 ret = get_errno(dup2(arg1, arg2));
2531 break;
2532 #ifdef TARGET_NR_getppid /* not on alpha */
2533 case TARGET_NR_getppid:
2534 ret = get_errno(getppid());
2535 break;
2536 #endif
2537 case TARGET_NR_getpgrp:
2538 ret = get_errno(getpgrp());
2539 break;
2540 case TARGET_NR_setsid:
2541 ret = get_errno(setsid());
2542 break;
2543 #ifdef TARGET_NR_sigaction
2544 case TARGET_NR_sigaction:
2545 {
2546 #if !defined(TARGET_MIPS)
2547 struct target_old_sigaction *old_act;
2548 struct target_sigaction act, oact, *pact;
2549 if (arg2) {
2550 lock_user_struct(old_act, arg2, 1);
2551 act._sa_handler = old_act->_sa_handler;
2552 target_siginitset(&act.sa_mask, old_act->sa_mask);
2553 act.sa_flags = old_act->sa_flags;
2554 act.sa_restorer = old_act->sa_restorer;
2555 unlock_user_struct(old_act, arg2, 0);
2556 pact = &act;
2557 } else {
2558 pact = NULL;
2559 }
2560 ret = get_errno(do_sigaction(arg1, pact, &oact));
2561 if (!is_error(ret) && arg3) {
2562 lock_user_struct(old_act, arg3, 0);
2563 old_act->_sa_handler = oact._sa_handler;
2564 old_act->sa_mask = oact.sa_mask.sig[0];
2565 old_act->sa_flags = oact.sa_flags;
2566 old_act->sa_restorer = oact.sa_restorer;
2567 unlock_user_struct(old_act, arg3, 1);
2568 }
2569 #else
2570 struct target_sigaction act, oact, *pact, *old_act;
2571
2572 if (arg2) {
2573 lock_user_struct(old_act, arg2, 1);
2574 act._sa_handler = old_act->_sa_handler;
2575 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2576 act.sa_flags = old_act->sa_flags;
2577 unlock_user_struct(old_act, arg2, 0);
2578 pact = &act;
2579 } else {
2580 pact = NULL;
2581 }
2582
2583 ret = get_errno(do_sigaction(arg1, pact, &oact));
2584
2585 if (!is_error(ret) && arg3) {
2586 lock_user_struct(old_act, arg3, 0);
2587 old_act->_sa_handler = oact._sa_handler;
2588 old_act->sa_flags = oact.sa_flags;
2589 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2590 old_act->sa_mask.sig[1] = 0;
2591 old_act->sa_mask.sig[2] = 0;
2592 old_act->sa_mask.sig[3] = 0;
2593 unlock_user_struct(old_act, arg3, 1);
2594 }
2595 #endif
2596 }
2597 break;
2598 #endif
2599 case TARGET_NR_rt_sigaction:
2600 {
2601 struct target_sigaction *act;
2602 struct target_sigaction *oact;
2603
2604 if (arg2)
2605 lock_user_struct(act, arg2, 1);
2606 else
2607 act = NULL;
2608 if (arg3)
2609 lock_user_struct(oact, arg3, 0);
2610 else
2611 oact = NULL;
2612 ret = get_errno(do_sigaction(arg1, act, oact));
2613 if (arg2)
2614 unlock_user_struct(act, arg2, 0);
2615 if (arg3)
2616 unlock_user_struct(oact, arg3, 1);
2617 }
2618 break;
2619 #ifdef TARGET_NR_sgetmask /* not on alpha */
2620 case TARGET_NR_sgetmask:
2621 {
2622 sigset_t cur_set;
2623 target_ulong target_set;
2624 sigprocmask(0, NULL, &cur_set);
2625 host_to_target_old_sigset(&target_set, &cur_set);
2626 ret = target_set;
2627 }
2628 break;
2629 #endif
2630 #ifdef TARGET_NR_ssetmask /* not on alpha */
2631 case TARGET_NR_ssetmask:
2632 {
2633 sigset_t set, oset, cur_set;
2634 target_ulong target_set = arg1;
2635 sigprocmask(0, NULL, &cur_set);
2636 target_to_host_old_sigset(&set, &target_set);
2637 sigorset(&set, &set, &cur_set);
2638 sigprocmask(SIG_SETMASK, &set, &oset);
2639 host_to_target_old_sigset(&target_set, &oset);
2640 ret = target_set;
2641 }
2642 break;
2643 #endif
2644 #ifdef TARGET_NR_sigprocmask
2645 case TARGET_NR_sigprocmask:
2646 {
2647 int how = arg1;
2648 sigset_t set, oldset, *set_ptr;
2649
2650 if (arg2) {
2651 switch(how) {
2652 case TARGET_SIG_BLOCK:
2653 how = SIG_BLOCK;
2654 break;
2655 case TARGET_SIG_UNBLOCK:
2656 how = SIG_UNBLOCK;
2657 break;
2658 case TARGET_SIG_SETMASK:
2659 how = SIG_SETMASK;
2660 break;
2661 default:
2662 ret = -EINVAL;
2663 goto fail;
2664 }
2665 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2666 target_to_host_old_sigset(&set, p);
2667 unlock_user(p, arg2, 0);
2668 set_ptr = &set;
2669 } else {
2670 how = 0;
2671 set_ptr = NULL;
2672 }
2673 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2674 if (!is_error(ret) && arg3) {
2675 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2676 host_to_target_old_sigset(p, &oldset);
2677 unlock_user(p, arg3, sizeof(target_sigset_t));
2678 }
2679 }
2680 break;
2681 #endif
2682 case TARGET_NR_rt_sigprocmask:
2683 {
2684 int how = arg1;
2685 sigset_t set, oldset, *set_ptr;
2686
2687 if (arg2) {
2688 switch(how) {
2689 case TARGET_SIG_BLOCK:
2690 how = SIG_BLOCK;
2691 break;
2692 case TARGET_SIG_UNBLOCK:
2693 how = SIG_UNBLOCK;
2694 break;
2695 case TARGET_SIG_SETMASK:
2696 how = SIG_SETMASK;
2697 break;
2698 default:
2699 ret = -EINVAL;
2700 goto fail;
2701 }
2702 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2703 target_to_host_sigset(&set, p);
2704 unlock_user(p, arg2, 0);
2705 set_ptr = &set;
2706 } else {
2707 how = 0;
2708 set_ptr = NULL;
2709 }
2710 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
2711 if (!is_error(ret) && arg3) {
2712 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2713 host_to_target_sigset(p, &oldset);
2714 unlock_user(p, arg3, sizeof(target_sigset_t));
2715 }
2716 }
2717 break;
2718 #ifdef TARGET_NR_sigpending
2719 case TARGET_NR_sigpending:
2720 {
2721 sigset_t set;
2722 ret = get_errno(sigpending(&set));
2723 if (!is_error(ret)) {
2724 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2725 host_to_target_old_sigset(p, &set);
2726 unlock_user(p, arg1, sizeof(target_sigset_t));
2727 }
2728 }
2729 break;
2730 #endif
2731 case TARGET_NR_rt_sigpending:
2732 {
2733 sigset_t set;
2734 ret = get_errno(sigpending(&set));
2735 if (!is_error(ret)) {
2736 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2737 host_to_target_sigset(p, &set);
2738 unlock_user(p, arg1, sizeof(target_sigset_t));
2739 }
2740 }
2741 break;
2742 #ifdef TARGET_NR_sigsuspend
2743 case TARGET_NR_sigsuspend:
2744 {
2745 sigset_t set;
2746 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2747 target_to_host_old_sigset(&set, p);
2748 unlock_user(p, arg1, 0);
2749 ret = get_errno(sigsuspend(&set));
2750 }
2751 break;
2752 #endif
2753 case TARGET_NR_rt_sigsuspend:
2754 {
2755 sigset_t set;
2756 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2757 target_to_host_sigset(&set, p);
2758 unlock_user(p, arg1, 0);
2759 ret = get_errno(sigsuspend(&set));
2760 }
2761 break;
2762 case TARGET_NR_rt_sigtimedwait:
2763 {
2764 sigset_t set;
2765 struct timespec uts, *puts;
2766 siginfo_t uinfo;
2767
2768 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2769 target_to_host_sigset(&set, p);
2770 unlock_user(p, arg1, 0);
2771 if (arg3) {
2772 puts = &uts;
2773 target_to_host_timespec(puts, arg3);
2774 } else {
2775 puts = NULL;
2776 }
2777 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2778 if (!is_error(ret) && arg2) {
2779 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2780 host_to_target_siginfo(p, &uinfo);
2781 unlock_user(p, arg2, sizeof(target_sigset_t));
2782 }
2783 }
2784 break;
2785 case TARGET_NR_rt_sigqueueinfo:
2786 {
2787 siginfo_t uinfo;
2788 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2789 target_to_host_siginfo(&uinfo, p);
2790 unlock_user(p, arg1, 0);
2791 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2792 }
2793 break;
2794 #ifdef TARGET_NR_sigreturn
2795 case TARGET_NR_sigreturn:
2796 /* NOTE: ret is eax, so not transcoding must be done */
2797 ret = do_sigreturn(cpu_env);
2798 break;
2799 #endif
2800 case TARGET_NR_rt_sigreturn:
2801 /* NOTE: ret is eax, so not transcoding must be done */
2802 ret = do_rt_sigreturn(cpu_env);
2803 break;
2804 case TARGET_NR_sethostname:
2805 p = lock_user_string(arg1);
2806 ret = get_errno(sethostname(p, arg2));
2807 unlock_user(p, arg1, 0);
2808 break;
2809 case TARGET_NR_setrlimit:
2810 {
2811 /* XXX: convert resource ? */
2812 int resource = arg1;
2813 struct target_rlimit *target_rlim;
2814 struct rlimit rlim;
2815 lock_user_struct(target_rlim, arg2, 1);
2816 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2817 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2818 unlock_user_struct(target_rlim, arg2, 0);
2819 ret = get_errno(setrlimit(resource, &rlim));
2820 }
2821 break;
2822 case TARGET_NR_getrlimit:
2823 {
2824 /* XXX: convert resource ? */
2825 int resource = arg1;
2826 struct target_rlimit *target_rlim;
2827 struct rlimit rlim;
2828
2829 ret = get_errno(getrlimit(resource, &rlim));
2830 if (!is_error(ret)) {
2831 lock_user_struct(target_rlim, arg2, 0);
2832 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2833 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2834 unlock_user_struct(target_rlim, arg2, 1);
2835 }
2836 }
2837 break;
2838 case TARGET_NR_getrusage:
2839 {
2840 struct rusage rusage;
2841 ret = get_errno(getrusage(arg1, &rusage));
2842 if (!is_error(ret)) {
2843 host_to_target_rusage(arg2, &rusage);
2844 }
2845 }
2846 break;
2847 case TARGET_NR_gettimeofday:
2848 {
2849 struct timeval tv;
2850 ret = get_errno(gettimeofday(&tv, NULL));
2851 if (!is_error(ret)) {
2852 host_to_target_timeval(arg1, &tv);
2853 }
2854 }
2855 break;
2856 case TARGET_NR_settimeofday:
2857 {
2858 struct timeval tv;
2859 target_to_host_timeval(&tv, arg1);
2860 ret = get_errno(settimeofday(&tv, NULL));
2861 }
2862 break;
2863 #ifdef TARGET_NR_select
2864 case TARGET_NR_select:
2865 {
2866 struct target_sel_arg_struct *sel;
2867 target_ulong inp, outp, exp, tvp;
2868 long nsel;
2869
2870 lock_user_struct(sel, arg1, 1);
2871 nsel = tswapl(sel->n);
2872 inp = tswapl(sel->inp);
2873 outp = tswapl(sel->outp);
2874 exp = tswapl(sel->exp);
2875 tvp = tswapl(sel->tvp);
2876 unlock_user_struct(sel, arg1, 0);
2877 ret = do_select(nsel, inp, outp, exp, tvp);
2878 }
2879 break;
2880 #endif
2881 case TARGET_NR_symlink:
2882 {
2883 void *p2;
2884 p = lock_user_string(arg1);
2885 p2 = lock_user_string(arg2);
2886 ret = get_errno(symlink(p, p2));
2887 unlock_user(p2, arg2, 0);
2888 unlock_user(p, arg1, 0);
2889 }
2890 break;
2891 #ifdef TARGET_NR_oldlstat
2892 case TARGET_NR_oldlstat:
2893 goto unimplemented;
2894 #endif
2895 case TARGET_NR_readlink:
2896 {
2897 void *p2;
2898 p = lock_user_string(arg1);
2899 p2 = lock_user(arg2, arg3, 0);
2900 ret = get_errno(readlink(path(p), p2, arg3));
2901 unlock_user(p2, arg2, ret);
2902 unlock_user(p, arg1, 0);
2903 }
2904 break;
2905 #ifdef TARGET_NR_uselib
2906 case TARGET_NR_uselib:
2907 goto unimplemented;
2908 #endif
2909 #ifdef TARGET_NR_swapon
2910 case TARGET_NR_swapon:
2911 p = lock_user_string(arg1);
2912 ret = get_errno(swapon(p, arg2));
2913 unlock_user(p, arg1, 0);
2914 break;
2915 #endif
2916 case TARGET_NR_reboot:
2917 goto unimplemented;
2918 #ifdef TARGET_NR_readdir
2919 case TARGET_NR_readdir:
2920 goto unimplemented;
2921 #endif
2922 #ifdef TARGET_NR_mmap
2923 case TARGET_NR_mmap:
2924 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
2925 {
2926 target_ulong *v;
2927 target_ulong v1, v2, v3, v4, v5, v6;
2928 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2929 v1 = tswapl(v[0]);
2930 v2 = tswapl(v[1]);
2931 v3 = tswapl(v[2]);
2932 v4 = tswapl(v[3]);
2933 v5 = tswapl(v[4]);
2934 v6 = tswapl(v[5]);
2935 unlock_user(v, arg1, 0);
2936 ret = get_errno(target_mmap(v1, v2, v3,
2937 target_to_host_bitmask(v4, mmap_flags_tbl),
2938 v5, v6));
2939 }
2940 #else
2941 ret = get_errno(target_mmap(arg1, arg2, arg3,
2942 target_to_host_bitmask(arg4, mmap_flags_tbl),
2943 arg5,
2944 arg6));
2945 #endif
2946 break;
2947 #endif
2948 #ifdef TARGET_NR_mmap2
2949 case TARGET_NR_mmap2:
2950 #if defined(TARGET_SPARC) || defined(TARGET_MIPS)
2951 #define MMAP_SHIFT 12
2952 #else
2953 #define MMAP_SHIFT TARGET_PAGE_BITS
2954 #endif
2955 ret = get_errno(target_mmap(arg1, arg2, arg3,
2956 target_to_host_bitmask(arg4, mmap_flags_tbl),
2957 arg5,
2958 arg6 << MMAP_SHIFT));
2959 break;
2960 #endif
2961 case TARGET_NR_munmap:
2962 ret = get_errno(target_munmap(arg1, arg2));
2963 break;
2964 case TARGET_NR_mprotect:
2965 ret = get_errno(target_mprotect(arg1, arg2, arg3));
2966 break;
2967 #ifdef TARGET_NR_mremap
2968 case TARGET_NR_mremap:
2969 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2970 break;
2971 #endif
2972 /* ??? msync/mlock/munlock are broken for softmmu. */
2973 #ifdef TARGET_NR_msync
2974 case TARGET_NR_msync:
2975 ret = get_errno(msync(g2h(arg1), arg2, arg3));
2976 break;
2977 #endif
2978 #ifdef TARGET_NR_mlock
2979 case TARGET_NR_mlock:
2980 ret = get_errno(mlock(g2h(arg1), arg2));
2981 break;
2982 #endif
2983 #ifdef TARGET_NR_munlock
2984 case TARGET_NR_munlock:
2985 ret = get_errno(munlock(g2h(arg1), arg2));
2986 break;
2987 #endif
2988 #ifdef TARGET_NR_mlockall
2989 case TARGET_NR_mlockall:
2990 ret = get_errno(mlockall(arg1));
2991 break;
2992 #endif
2993 #ifdef TARGET_NR_munlockall
2994 case TARGET_NR_munlockall:
2995 ret = get_errno(munlockall());
2996 break;
2997 #endif
2998 case TARGET_NR_truncate:
2999 p = lock_user_string(arg1);
3000 ret = get_errno(truncate(p, arg2));
3001 unlock_user(p, arg1, 0);
3002 break;
3003 case TARGET_NR_ftruncate:
3004 ret = get_errno(ftruncate(arg1, arg2));
3005 break;
3006 case TARGET_NR_fchmod:
3007 ret = get_errno(fchmod(arg1, arg2));
3008 break;
3009 case TARGET_NR_getpriority:
3010 ret = get_errno(getpriority(arg1, arg2));
3011 break;
3012 case TARGET_NR_setpriority:
3013 ret = get_errno(setpriority(arg1, arg2, arg3));
3014 break;
3015 #ifdef TARGET_NR_profil
3016 case TARGET_NR_profil:
3017 goto unimplemented;
3018 #endif
3019 case TARGET_NR_statfs:
3020 p = lock_user_string(arg1);
3021 ret = get_errno(statfs(path(p), &stfs));
3022 unlock_user(p, arg1, 0);
3023 convert_statfs:
3024 if (!is_error(ret)) {
3025 struct target_statfs *target_stfs;
3026
3027 lock_user_struct(target_stfs, arg2, 0);
3028 /* ??? put_user is probably wrong. */
3029 put_user(stfs.f_type, &target_stfs->f_type);
3030 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3031 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3032 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3033 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3034 put_user(stfs.f_files, &target_stfs->f_files);
3035 put_user(stfs.f_ffree, &target_stfs->f_ffree);
3036 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3037 put_user(stfs.f_namelen, &target_stfs->f_namelen);
3038 unlock_user_struct(target_stfs, arg2, 1);
3039 }
3040 break;
3041 case TARGET_NR_fstatfs:
3042 ret = get_errno(fstatfs(arg1, &stfs));
3043 goto convert_statfs;
3044 #ifdef TARGET_NR_statfs64
3045 case TARGET_NR_statfs64:
3046 p = lock_user_string(arg1);
3047 ret = get_errno(statfs(path(p), &stfs));
3048 unlock_user(p, arg1, 0);
3049 convert_statfs64:
3050 if (!is_error(ret)) {
3051 struct target_statfs64 *target_stfs;
3052
3053 lock_user_struct(target_stfs, arg3, 0);
3054 /* ??? put_user is probably wrong. */
3055 put_user(stfs.f_type, &target_stfs->f_type);
3056 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3057 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3058 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3059 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3060 put_user(stfs.f_files, &target_stfs->f_files);
3061 put_user(stfs.f_ffree, &target_stfs->f_ffree);
3062 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3063 put_user(stfs.f_namelen, &target_stfs->f_namelen);
3064 unlock_user_struct(target_stfs, arg3, 0);
3065 }
3066 break;
3067 case TARGET_NR_fstatfs64:
3068 ret = get_errno(fstatfs(arg1, &stfs));
3069 goto convert_statfs64;
3070 #endif
3071 #ifdef TARGET_NR_ioperm
3072 case TARGET_NR_ioperm:
3073 goto unimplemented;
3074 #endif
3075 #ifdef TARGET_NR_socketcall
3076 case TARGET_NR_socketcall:
3077 ret = do_socketcall(arg1, arg2);
3078 break;
3079 #endif
3080 #ifdef TARGET_NR_accept
3081 case TARGET_NR_accept:
3082 ret = do_accept(arg1, arg2, arg3);
3083 break;
3084 #endif
3085 #ifdef TARGET_NR_bind
3086 case TARGET_NR_bind:
3087 ret = do_bind(arg1, arg2, arg3);
3088 break;
3089 #endif
3090 #ifdef TARGET_NR_connect
3091 case TARGET_NR_connect:
3092 ret = do_connect(arg1, arg2, arg3);
3093 break;
3094 #endif
3095 #ifdef TARGET_NR_getpeername
3096 case TARGET_NR_getpeername:
3097 ret = do_getpeername(arg1, arg2, arg3);
3098 break;
3099 #endif
3100 #ifdef TARGET_NR_getsockname
3101 case TARGET_NR_getsockname:
3102 ret = do_getsockname(arg1, arg2, arg3);
3103 break;
3104 #endif
3105 #ifdef TARGET_NR_getsockopt
3106 case TARGET_NR_getsockopt:
3107 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
3108 break;
3109 #endif
3110 #ifdef TARGET_NR_listen
3111 case TARGET_NR_listen:
3112 ret = get_errno(listen(arg1, arg2));
3113 break;
3114 #endif
3115 #ifdef TARGET_NR_recv
3116 case TARGET_NR_recv:
3117 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3118 break;
3119 #endif
3120 #ifdef TARGET_NR_recvfrom
3121 case TARGET_NR_recvfrom:
3122 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3123 break;
3124 #endif
3125 #ifdef TARGET_NR_recvmsg
3126 case TARGET_NR_recvmsg:
3127 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3128 break;
3129 #endif
3130 #ifdef TARGET_NR_send
3131 case TARGET_NR_send:
3132 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3133 break;
3134 #endif
3135 #ifdef TARGET_NR_sendmsg
3136 case TARGET_NR_sendmsg:
3137 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3138 break;
3139 #endif
3140 #ifdef TARGET_NR_sendto
3141 case TARGET_NR_sendto:
3142 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3143 break;
3144 #endif
3145 #ifdef TARGET_NR_shutdown
3146 case TARGET_NR_shutdown:
3147 ret = get_errno(shutdown(arg1, arg2));
3148 break;
3149 #endif
3150 #ifdef TARGET_NR_socket
3151 case TARGET_NR_socket:
3152 ret = do_socket(arg1, arg2, arg3);
3153 break;
3154 #endif
3155 #ifdef TARGET_NR_socketpair
3156 case TARGET_NR_socketpair:
3157 ret = do_socketpair(arg1, arg2, arg3, arg4);
3158 break;
3159 #endif
3160 #ifdef TARGET_NR_setsockopt
3161 case TARGET_NR_setsockopt:
3162 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3163 break;
3164 #endif
3165
3166 case TARGET_NR_syslog:
3167 p = lock_user_string(arg2);
3168 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3169 unlock_user(p, arg2, 0);
3170 break;
3171
3172 case TARGET_NR_setitimer:
3173 {
3174 struct itimerval value, ovalue, *pvalue;
3175
3176 if (arg2) {
3177 pvalue = &value;
3178 target_to_host_timeval(&pvalue->it_interval,
3179 arg2);
3180 target_to_host_timeval(&pvalue->it_value,
3181 arg2 + sizeof(struct target_timeval));
3182 } else {
3183 pvalue = NULL;
3184 }
3185 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
3186 if (!is_error(ret) && arg3) {
3187 host_to_target_timeval(arg3,
3188 &ovalue.it_interval);
3189 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
3190 &ovalue.it_value);
3191 }
3192 }
3193 break;
3194 case TARGET_NR_getitimer:
3195 {
3196 struct itimerval value;
3197
3198 ret = get_errno(getitimer(arg1, &value));
3199 if (!is_error(ret) && arg2) {
3200 host_to_target_timeval(arg2,
3201 &value.it_interval);
3202 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
3203 &value.it_value);
3204 }
3205 }
3206 break;
3207 case TARGET_NR_stat:
3208 p = lock_user_string(arg1);
3209 ret = get_errno(stat(path(p), &st));
3210 unlock_user(p, arg1, 0);
3211 goto do_stat;
3212 case TARGET_NR_lstat:
3213 p = lock_user_string(arg1);
3214 ret = get_errno(lstat(path(p), &st));
3215 unlock_user(p, arg1, 0);
3216 goto do_stat;
3217 case TARGET_NR_fstat:
3218 {
3219 ret = get_errno(fstat(arg1, &st));
3220 do_stat:
3221 if (!is_error(ret)) {
3222 struct target_stat *target_st;
3223
3224 lock_user_struct(target_st, arg2, 0);
3225 #if defined(TARGET_MIPS)
3226 target_st->st_dev = tswap32(st.st_dev);
3227 #else
3228 target_st->st_dev = tswap16(st.st_dev);
3229 #endif
3230 target_st->st_ino = tswapl(st.st_ino);
3231 #if defined(TARGET_PPC) || defined(TARGET_MIPS)
3232 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3233 target_st->st_uid = tswap32(st.st_uid);
3234 target_st->st_gid = tswap32(st.st_gid);
3235 #else
3236 target_st->st_mode = tswap16(st.st_mode);
3237 target_st->st_uid = tswap16(st.st_uid);
3238 target_st->st_gid = tswap16(st.st_gid);
3239 #endif
3240 #if defined(TARGET_MIPS)
3241 /* If this is the same on PPC, then just merge w/ the above ifdef */
3242 target_st->st_nlink = tswapl(st.st_nlink);
3243 target_st->st_rdev = tswapl(st.st_rdev);
3244 #else
3245 target_st->st_nlink = tswap16(st.st_nlink);
3246 target_st->st_rdev = tswap16(st.st_rdev);
3247 #endif
3248 target_st->st_size = tswapl(st.st_size);
3249 target_st->st_blksize = tswapl(st.st_blksize);
3250 target_st->st_blocks = tswapl(st.st_blocks);
3251 target_st->target_st_atime = tswapl(st.st_atime);
3252 target_st->target_st_mtime = tswapl(st.st_mtime);
3253 target_st->target_st_ctime = tswapl(st.st_ctime);
3254 unlock_user_struct(target_st, arg2, 1);
3255 }
3256 }
3257 break;
3258 #ifdef TARGET_NR_olduname
3259 case TARGET_NR_olduname:
3260 goto unimplemented;
3261 #endif
3262 #ifdef TARGET_NR_iopl
3263 case TARGET_NR_iopl:
3264 goto unimplemented;
3265 #endif
3266 case TARGET_NR_vhangup:
3267 ret = get_errno(vhangup());
3268 break;
3269 #ifdef TARGET_NR_idle
3270 case TARGET_NR_idle:
3271 goto unimplemented;
3272 #endif
3273 #ifdef TARGET_NR_syscall
3274 case TARGET_NR_syscall:
3275 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3276 break;
3277 #endif
3278 case TARGET_NR_wait4:
3279 {
3280 int status;
3281 target_long status_ptr = arg2;
3282 struct rusage rusage, *rusage_ptr;
3283 target_ulong target_rusage = arg4;
3284 if (target_rusage)
3285 rusage_ptr = &rusage;
3286 else
3287 rusage_ptr = NULL;
3288 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3289 if (!is_error(ret)) {
3290 if (status_ptr)
3291 tputl(status_ptr, status);
3292 if (target_rusage) {
3293 host_to_target_rusage(target_rusage, &rusage);
3294 }
3295 }
3296 }
3297 break;
3298 #ifdef TARGET_NR_swapoff
3299 case TARGET_NR_swapoff:
3300 p = lock_user_string(arg1);
3301 ret = get_errno(swapoff(p));
3302 unlock_user(p, arg1, 0);
3303 break;
3304 #endif
3305 case TARGET_NR_sysinfo:
3306 {
3307 struct target_sysinfo *target_value;
3308 struct sysinfo value;
3309 ret = get_errno(sysinfo(&value));
3310 if (!is_error(ret) && arg1)
3311 {
3312 /* ??? __put_user is probably wrong. */
3313 lock_user_struct(target_value, arg1, 0);
3314 __put_user(value.uptime, &target_value->uptime);
3315 __put_user(value.loads[0], &target_value->loads[0]);
3316 __put_user(value.loads[1], &target_value->loads[1]);
3317 __put_user(value.loads[2], &target_value->loads[2]);
3318 __put_user(value.totalram, &target_value->totalram);
3319 __put_user(value.freeram, &target_value->freeram);
3320 __put_user(value.sharedram, &target_value->sharedram);
3321 __put_user(value.bufferram, &target_value->bufferram);
3322 __put_user(value.totalswap, &target_value->totalswap);
3323 __put_user(value.freeswap, &target_value->freeswap);
3324 __put_user(value.procs, &target_value->procs);
3325 __put_user(value.totalhigh, &target_value->totalhigh);
3326 __put_user(value.freehigh, &target_value->freehigh);
3327 __put_user(value.mem_unit, &target_value->mem_unit);
3328 unlock_user_struct(target_value, arg1, 1);
3329 }
3330 }
3331 break;
3332 #ifdef TARGET_NR_ipc
3333 case TARGET_NR_ipc:
3334 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3335 break;
3336 #endif
3337 case TARGET_NR_fsync:
3338 ret = get_errno(fsync(arg1));
3339 break;
3340 case TARGET_NR_clone:
3341 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3342 break;
3343 #ifdef __NR_exit_group
3344 /* new thread calls */
3345 case TARGET_NR_exit_group:
3346 gdb_exit(cpu_env, arg1);
3347 ret = get_errno(exit_group(arg1));
3348 break;
3349 #endif
3350 case TARGET_NR_setdomainname:
3351 p = lock_user_string(arg1);
3352 ret = get_errno(setdomainname(p, arg2));
3353 unlock_user(p, arg1, 0);
3354 break;
3355 case TARGET_NR_uname:
3356 /* no need to transcode because we use the linux syscall */
3357 {
3358 struct new_utsname * buf;
3359
3360 lock_user_struct(buf, arg1, 0);
3361 ret = get_errno(sys_uname(buf));
3362 if (!is_error(ret)) {
3363 /* Overrite the native machine name with whatever is being
3364 emulated. */
3365 strcpy (buf->machine, UNAME_MACHINE);
3366 /* Allow the user to override the reported release. */
3367 if (qemu_uname_release && *qemu_uname_release)
3368 strcpy (buf->release, qemu_uname_release);
3369 }
3370 unlock_user_struct(buf, arg1, 1);
3371 }
3372 break;
3373 #ifdef TARGET_I386
3374 case TARGET_NR_modify_ldt:
3375 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
3376 break;
3377 #if !defined(TARGET_X86_64)
3378 case TARGET_NR_vm86old:
3379 goto unimplemented;
3380 case TARGET_NR_vm86:
3381 ret = do_vm86(cpu_env, arg1, arg2);
3382 break;
3383 #endif
3384 #endif
3385 case TARGET_NR_adjtimex:
3386 goto unimplemented;
3387 #ifdef TARGET_NR_create_module
3388 case TARGET_NR_create_module:
3389 #endif
3390 case TARGET_NR_init_module:
3391 case TARGET_NR_delete_module:
3392 #ifdef TARGET_NR_get_kernel_syms
3393 case TARGET_NR_get_kernel_syms:
3394 #endif
3395 goto unimplemented;
3396 case TARGET_NR_quotactl:
3397 goto unimplemented;
3398 case TARGET_NR_getpgid:
3399 ret = get_errno(getpgid(arg1));
3400 break;
3401 case TARGET_NR_fchdir:
3402 ret = get_errno(fchdir(arg1));
3403 break;
3404 #ifdef TARGET_NR_bdflush /* not on x86_64 */
3405 case TARGET_NR_bdflush:
3406 goto unimplemented;
3407 #endif
3408 #ifdef TARGET_NR_sysfs
3409 case TARGET_NR_sysfs:
3410 goto unimplemented;
3411 #endif
3412 case TARGET_NR_personality:
3413 ret = get_errno(personality(arg1));
3414 break;
3415 #ifdef TARGET_NR_afs_syscall
3416 case TARGET_NR_afs_syscall:
3417 goto unimplemented;
3418 #endif
3419 #ifdef TARGET_NR__llseek /* Not on alpha */
3420 case TARGET_NR__llseek:
3421 {
3422 #if defined (__x86_64__)
3423 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
3424 tput64(arg4, ret);
3425 #else
3426 int64_t res;
3427 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
3428 tput64(arg4, res);
3429 #endif
3430 }
3431 break;
3432 #endif
3433 case TARGET_NR_getdents:
3434 #if TARGET_LONG_SIZE != 4
3435 goto unimplemented;
3436 #warning not supported
3437 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3438 {
3439 struct target_dirent *target_dirp;
3440 struct dirent *dirp;
3441 long count = arg3;
3442
3443 dirp = malloc(count);
3444 if (!dirp)
3445 return -ENOMEM;
3446
3447 ret = get_errno(sys_getdents(arg1, dirp, count));
3448 if (!is_error(ret)) {
3449 struct dirent *de;
3450 struct target_dirent *tde;
3451 int len = ret;
3452 int reclen, treclen;
3453 int count1, tnamelen;
3454
3455 count1 = 0;
3456 de = dirp;
3457 target_dirp = lock_user(arg2, count, 0);
3458 tde = target_dirp;
3459 while (len > 0) {
3460 reclen = de->d_reclen;
3461 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3462 tde->d_reclen = tswap16(treclen);
3463 tde->d_ino = tswapl(de->d_ino);
3464 tde->d_off = tswapl(de->d_off);
3465 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3466 if (tnamelen > 256)
3467 tnamelen = 256;
3468 /* XXX: may not be correct */
3469 strncpy(tde->d_name, de->d_name, tnamelen);
3470 de = (struct dirent *)((char *)de + reclen);
3471 len -= reclen;
3472 tde = (struct target_dirent *)((char *)tde + treclen);
3473 count1 += treclen;
3474 }
3475 ret = count1;
3476 }
3477 unlock_user(target_dirp, arg2, ret);
3478 free(dirp);
3479 }
3480 #else
3481 {
3482 struct dirent *dirp;
3483 long count = arg3;
3484
3485 dirp = lock_user(arg2, count, 0);
3486 ret = get_errno(sys_getdents(arg1, dirp, count));
3487 if (!is_error(ret)) {
3488 struct dirent *de;
3489 int len = ret;
3490 int reclen;
3491 de = dirp;
3492 while (len > 0) {
3493 reclen = de->d_reclen;
3494 if (reclen > len)
3495 break;
3496 de->d_reclen = tswap16(reclen);
3497 tswapls(&de->d_ino);
3498 tswapls(&de->d_off);
3499 de = (struct dirent *)((char *)de + reclen);
3500 len -= reclen;
3501 }
3502 }
3503 unlock_user(dirp, arg2, ret);
3504 }
3505 #endif
3506 break;
3507 #ifdef TARGET_NR_getdents64
3508 case TARGET_NR_getdents64:
3509 {
3510 struct dirent64 *dirp;
3511 long count = arg3;
3512 dirp = lock_user(arg2, count, 0);
3513 ret = get_errno(sys_getdents64(arg1, dirp, count));
3514 if (!is_error(ret)) {
3515 struct dirent64 *de;
3516 int len = ret;
3517 int reclen;
3518 de = dirp;
3519 while (len > 0) {
3520 reclen = de->d_reclen;
3521 if (reclen > len)
3522 break;
3523 de->d_reclen = tswap16(reclen);
3524 tswap64s(&de->d_ino);
3525 tswap64s(&de->d_off);
3526 de = (struct dirent64 *)((char *)de + reclen);
3527 len -= reclen;
3528 }
3529 }
3530 unlock_user(dirp, arg2, ret);
3531 }
3532 break;
3533 #endif /* TARGET_NR_getdents64 */
3534 #ifdef TARGET_NR__newselect
3535 case TARGET_NR__newselect:
3536 ret = do_select(arg1, arg2, arg3, arg4, arg5);
3537 break;
3538 #endif
3539 #ifdef TARGET_NR_poll
3540 case TARGET_NR_poll:
3541 {
3542 struct target_pollfd *target_pfd;
3543 unsigned int nfds = arg2;
3544 int timeout = arg3;
3545 struct pollfd *pfd;
3546 unsigned int i;
3547
3548 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
3549 pfd = alloca(sizeof(struct pollfd) * nfds);
3550 for(i = 0; i < nfds; i++) {
3551 pfd[i].fd = tswap32(target_pfd[i].fd);
3552 pfd[i].events = tswap16(target_pfd[i].events);
3553 }
3554 ret = get_errno(poll(pfd, nfds, timeout));
3555 if (!is_error(ret)) {
3556 for(i = 0; i < nfds; i++) {
3557 target_pfd[i].revents = tswap16(pfd[i].revents);
3558 }
3559 ret += nfds * (sizeof(struct target_pollfd)
3560 - sizeof(struct pollfd));
3561 }
3562 unlock_user(target_pfd, arg1, ret);
3563 }
3564 break;
3565 #endif
3566 case TARGET_NR_flock:
3567 /* NOTE: the flock constant seems to be the same for every
3568 Linux platform */
3569 ret = get_errno(flock(arg1, arg2));
3570 break;
3571 case TARGET_NR_readv:
3572 {
3573 int count = arg3;
3574 struct iovec *vec;
3575
3576 vec = alloca(count * sizeof(struct iovec));
3577 lock_iovec(vec, arg2, count, 0);
3578 ret = get_errno(readv(arg1, vec, count));
3579 unlock_iovec(vec, arg2, count, 1);
3580 }
3581 break;
3582 case TARGET_NR_writev:
3583 {
3584 int count = arg3;
3585 struct iovec *vec;
3586
3587 vec = alloca(count * sizeof(struct iovec));
3588 lock_iovec(vec, arg2, count, 1);
3589 ret = get_errno(writev(arg1, vec, count));
3590 unlock_iovec(vec, arg2, count, 0);
3591 }
3592 break;
3593 case TARGET_NR_getsid:
3594 ret = get_errno(getsid(arg1));
3595 break;
3596 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
3597 case TARGET_NR_fdatasync:
3598 ret = get_errno(fdatasync(arg1));
3599 break;
3600 #endif
3601 case TARGET_NR__sysctl:
3602 /* We don't implement this, but ENODIR is always a safe
3603 return value. */
3604 return -ENOTDIR;
3605 case TARGET_NR_sched_setparam:
3606 {
3607 struct sched_param *target_schp;
3608 struct sched_param schp;
3609
3610 lock_user_struct(target_schp, arg2, 1);
3611 schp.sched_priority = tswap32(target_schp->sched_priority);
3612 unlock_user_struct(target_schp, arg2, 0);
3613 ret = get_errno(sched_setparam(arg1, &schp));
3614 }
3615 break;
3616 case TARGET_NR_sched_getparam:
3617 {
3618 struct sched_param *target_schp;
3619 struct sched_param schp;
3620 ret = get_errno(sched_getparam(arg1, &schp));
3621 if (!is_error(ret)) {
3622 lock_user_struct(target_schp, arg2, 0);
3623 target_schp->sched_priority = tswap32(schp.sched_priority);
3624 unlock_user_struct(target_schp, arg2, 1);
3625 }
3626 }
3627 break;
3628 case TARGET_NR_sched_setscheduler:
3629 {
3630 struct sched_param *target_schp;
3631 struct sched_param schp;
3632 lock_user_struct(target_schp, arg3, 1);
3633 schp.sched_priority = tswap32(target_schp->sched_priority);
3634 unlock_user_struct(target_schp, arg3, 0);
3635 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3636 }
3637 break;
3638 case TARGET_NR_sched_getscheduler:
3639 ret = get_errno(sched_getscheduler(arg1));
3640 break;
3641 case TARGET_NR_sched_yield:
3642 ret = get_errno(sched_yield());
3643 break;
3644 case TARGET_NR_sched_get_priority_max:
3645 ret = get_errno(sched_get_priority_max(arg1));
3646 break;
3647 case TARGET_NR_sched_get_priority_min:
3648 ret = get_errno(sched_get_priority_min(arg1));
3649 break;
3650 case TARGET_NR_sched_rr_get_interval:
3651 {
3652 struct timespec ts;
3653 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3654 if (!is_error(ret)) {
3655 host_to_target_timespec(arg2, &ts);
3656 }
3657 }
3658 break;
3659 case TARGET_NR_nanosleep:
3660 {
3661 struct timespec req, rem;
3662 target_to_host_timespec(&req, arg1);
3663 ret = get_errno(nanosleep(&req, &rem));
3664 if (is_error(ret) && arg2) {
3665 host_to_target_timespec(arg2, &rem);
3666 }
3667 }
3668 break;
3669 #ifdef TARGET_NR_query_module
3670 case TARGET_NR_query_module:
3671 goto unimplemented;
3672 #endif
3673 #ifdef TARGET_NR_nfsservctl
3674 case TARGET_NR_nfsservctl:
3675 goto unimplemented;
3676 #endif
3677 case TARGET_NR_prctl:
3678 switch (arg1)
3679 {
3680 case PR_GET_PDEATHSIG:
3681 {
3682 int deathsig;
3683 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3684 if (!is_error(ret) && arg2)
3685 tput32(arg2, deathsig);
3686 }
3687 break;
3688 default:
3689 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
3690 break;
3691 }
3692 break;
3693 #ifdef TARGET_NR_pread
3694 case TARGET_NR_pread:
3695 page_unprotect_range(arg2, arg3);
3696 p = lock_user(arg2, arg3, 0);
3697 ret = get_errno(pread(arg1, p, arg3, arg4));
3698 unlock_user(p, arg2, ret);
3699 break;
3700 case TARGET_NR_pwrite:
3701 p = lock_user(arg2, arg3, 1);
3702 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3703 unlock_user(p, arg2, 0);
3704 break;
3705 #endif
3706 case TARGET_NR_getcwd:
3707 p = lock_user(arg1, arg2, 0);
3708 ret = get_errno(sys_getcwd1(p, arg2));
3709 unlock_user(p, arg1, ret);
3710 break;
3711 case TARGET_NR_capget:
3712 goto unimplemented;
3713 case TARGET_NR_capset:
3714 goto unimplemented;
3715 case TARGET_NR_sigaltstack:
3716 goto unimplemented;
3717 case TARGET_NR_sendfile:
3718 goto unimplemented;
3719 #ifdef TARGET_NR_getpmsg
3720 case TARGET_NR_getpmsg:
3721 goto unimplemented;
3722 #endif
3723 #ifdef TARGET_NR_putpmsg
3724 case TARGET_NR_putpmsg:
3725 goto unimplemented;
3726 #endif
3727 #ifdef TARGET_NR_vfork
3728 case TARGET_NR_vfork:
3729 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
3730 break;
3731 #endif
3732 #ifdef TARGET_NR_ugetrlimit
3733 case TARGET_NR_ugetrlimit:
3734 {
3735 struct rlimit rlim;
3736 ret = get_errno(getrlimit(arg1, &rlim));
3737 if (!is_error(ret)) {
3738 struct target_rlimit *target_rlim;
3739 lock_user_struct(target_rlim, arg2, 0);
3740 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3741 target_rlim->rlim_max = tswapl(rlim.rlim_max);
3742 unlock_user_struct(target_rlim, arg2, 1);
3743 }
3744 break;
3745 }
3746 #endif
3747 #ifdef TARGET_NR_truncate64
3748 case TARGET_NR_truncate64:
3749 p = lock_user_string(arg1);
3750 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3751 unlock_user(p, arg1, 0);
3752 break;
3753 #endif
3754 #ifdef TARGET_NR_ftruncate64
3755 case TARGET_NR_ftruncate64:
3756 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
3757 break;
3758 #endif
3759 #ifdef TARGET_NR_stat64
3760 case TARGET_NR_stat64:
3761 p = lock_user_string(arg1);
3762 ret = get_errno(stat(path(p), &st));
3763 unlock_user(p, arg1, 0);
3764 goto do_stat64;
3765 #endif
3766 #ifdef TARGET_NR_lstat64
3767 case TARGET_NR_lstat64:
3768 p = lock_user_string(arg1);
3769 ret = get_errno(lstat(path(p), &st));
3770 unlock_user(p, arg1, 0);
3771 goto do_stat64;
3772 #endif
3773 #ifdef TARGET_NR_fstat64
3774 case TARGET_NR_fstat64:
3775 {
3776 ret = get_errno(fstat(arg1, &st));
3777 do_stat64:
3778 if (!is_error(ret)) {
3779 #ifdef TARGET_ARM
3780 if (((CPUARMState *)cpu_env)->eabi) {
3781 struct target_eabi_stat64 *target_st;
3782 lock_user_struct(target_st, arg2, 1);
3783 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3784 /* put_user is probably wrong. */
3785 put_user(st.st_dev, &target_st->st_dev);
3786 put_user(st.st_ino, &target_st->st_ino);
3787 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3788 put_user(st.st_ino, &target_st->__st_ino);
3789 #endif
3790 put_user(st.st_mode, &target_st->st_mode);
3791 put_user(st.st_nlink, &target_st->st_nlink);
3792 put_user(st.st_uid, &target_st->st_uid);
3793 put_user(st.st_gid, &target_st->st_gid);
3794 put_user(st.st_rdev, &target_st->st_rdev);
3795 /* XXX: better use of kernel struct */
3796 put_user(st.st_size, &target_st->st_size);
3797 put_user(st.st_blksize, &target_st->st_blksize);
3798 put_user(st.st_blocks, &target_st->st_blocks);
3799 put_user(st.st_atime, &target_st->target_st_atime);
3800 put_user(st.st_mtime, &target_st->target_st_mtime);
3801 put_user(st.st_ctime, &target_st->target_st_ctime);
3802 unlock_user_struct(target_st, arg2, 0);
3803 } else
3804 #endif
3805 {
3806 struct target_stat64 *target_st;
3807 lock_user_struct(target_st, arg2, 1);
3808 memset(target_st, 0, sizeof(struct target_stat64));
3809 /* ??? put_user is probably wrong. */
3810 put_user(st.st_dev, &target_st->st_dev);
3811 put_user(st.st_ino, &target_st->st_ino);
3812 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3813 put_user(st.st_ino, &target_st->__st_ino);
3814 #endif
3815 put_user(st.st_mode, &target_st->st_mode);
3816 put_user(st.st_nlink, &target_st->st_nlink);
3817 put_user(st.st_uid, &target_st->st_uid);
3818 put_user(st.st_gid, &target_st->st_gid);
3819 put_user(st.st_rdev, &target_st->st_rdev);
3820 /* XXX: better use of kernel struct */
3821 put_user(st.st_size, &target_st->st_size);
3822 put_user(st.st_blksize, &target_st->st_blksize);
3823 put_user(st.st_blocks, &target_st->st_blocks);
3824 put_user(st.st_atime, &target_st->target_st_atime);
3825 put_user(st.st_mtime, &target_st->target_st_mtime);
3826 put_user(st.st_ctime, &target_st->target_st_ctime);
3827 unlock_user_struct(target_st, arg2, 0);
3828 }
3829 }
3830 }
3831 break;
3832 #endif
3833 #ifdef USE_UID16
3834 case TARGET_NR_lchown:
3835 p = lock_user_string(arg1);
3836 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3837 unlock_user(p, arg1, 0);
3838 break;
3839 case TARGET_NR_getuid:
3840 ret = get_errno(high2lowuid(getuid()));
3841 break;
3842 case TARGET_NR_getgid:
3843 ret = get_errno(high2lowgid(getgid()));
3844 break;
3845 case TARGET_NR_geteuid:
3846 ret = get_errno(high2lowuid(geteuid()));
3847 break;
3848 case TARGET_NR_getegid:
3849 ret = get_errno(high2lowgid(getegid()));
3850 break;
3851 case TARGET_NR_setreuid:
3852 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3853 break;
3854 case TARGET_NR_setregid:
3855 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3856 break;
3857 case TARGET_NR_getgroups:
3858 {
3859 int gidsetsize = arg1;
3860 uint16_t *target_grouplist;
3861 gid_t *grouplist;
3862 int i;
3863
3864 grouplist = alloca(gidsetsize * sizeof(gid_t));
3865 ret = get_errno(getgroups(gidsetsize, grouplist));
3866 if (!is_error(ret)) {
3867 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
3868 for(i = 0;i < gidsetsize; i++)
3869 target_grouplist[i] = tswap16(grouplist[i]);
3870 unlock_user(target_grouplist, arg2, gidsetsize * 2);
3871 }
3872 }
3873 break;
3874 case TARGET_NR_setgroups:
3875 {
3876 int gidsetsize = arg1;
3877 uint16_t *target_grouplist;
3878 gid_t *grouplist;
3879 int i;
3880
3881 grouplist = alloca(gidsetsize * sizeof(gid_t));
3882 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
3883 for(i = 0;i < gidsetsize; i++)
3884 grouplist[i] = tswap16(target_grouplist[i]);
3885 unlock_user(target_grouplist, arg2, 0);
3886 ret = get_errno(setgroups(gidsetsize, grouplist));
3887 }
3888 break;
3889 case TARGET_NR_fchown:
3890 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3891 break;
3892 #ifdef TARGET_NR_setresuid
3893 case TARGET_NR_setresuid:
3894 ret = get_errno(setresuid(low2highuid(arg1),
3895 low2highuid(arg2),
3896 low2highuid(arg3)));
3897 break;
3898 #endif
3899 #ifdef TARGET_NR_getresuid
3900 case TARGET_NR_getresuid:
3901 {
3902 uid_t ruid, euid, suid;
3903 ret = get_errno(getresuid(&ruid, &euid, &suid));
3904 if (!is_error(ret)) {
3905 tput16(arg1, tswap16(high2lowuid(ruid)));
3906 tput16(arg2, tswap16(high2lowuid(euid)));
3907 tput16(arg3, tswap16(high2lowuid(suid)));
3908 }
3909 }
3910 break;
3911 #endif
3912 #ifdef TARGET_NR_getresgid
3913 case TARGET_NR_setresgid:
3914 ret = get_errno(setresgid(low2highgid(arg1),
3915 low2highgid(arg2),
3916 low2highgid(arg3)));
3917 break;
3918 #endif
3919 #ifdef TARGET_NR_getresgid
3920 case TARGET_NR_getresgid:
3921 {
3922 gid_t rgid, egid, sgid;
3923 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3924 if (!is_error(ret)) {
3925 tput16(arg1, tswap16(high2lowgid(rgid)));
3926 tput16(arg2, tswap16(high2lowgid(egid)));
3927 tput16(arg3, tswap16(high2lowgid(sgid)));
3928 }
3929 }
3930 break;
3931 #endif
3932 case TARGET_NR_chown:
3933 p = lock_user_string(arg1);
3934 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3935 unlock_user(p, arg1, 0);
3936 break;
3937 case TARGET_NR_setuid:
3938 ret = get_errno(setuid(low2highuid(arg1)));
3939 break;
3940 case TARGET_NR_setgid:
3941 ret = get_errno(setgid(low2highgid(arg1)));
3942 break;
3943 case TARGET_NR_setfsuid:
3944 ret = get_errno(setfsuid(arg1));
3945 break;
3946 case TARGET_NR_setfsgid:
3947 ret = get_errno(setfsgid(arg1));
3948 break;
3949 #endif /* USE_UID16 */
3950
3951 #ifdef TARGET_NR_lchown32
3952 case TARGET_NR_lchown32:
3953 p = lock_user_string(arg1);
3954 ret = get_errno(lchown(p, arg2, arg3));
3955 unlock_user(p, arg1, 0);
3956 break;
3957 #endif
3958 #ifdef TARGET_NR_getuid32
3959 case TARGET_NR_getuid32:
3960 ret = get_errno(getuid());
3961 break;
3962 #endif
3963 #ifdef TARGET_NR_getgid32
3964 case TARGET_NR_getgid32:
3965 ret = get_errno(getgid());
3966 break;
3967 #endif
3968 #ifdef TARGET_NR_geteuid32
3969 case TARGET_NR_geteuid32:
3970 ret = get_errno(geteuid());
3971 break;
3972 #endif
3973 #ifdef TARGET_NR_getegid32
3974 case TARGET_NR_getegid32:
3975 ret = get_errno(getegid());
3976 break;
3977 #endif
3978 #ifdef TARGET_NR_setreuid32
3979 case TARGET_NR_setreuid32:
3980 ret = get_errno(setreuid(arg1, arg2));
3981 break;
3982 #endif
3983 #ifdef TARGET_NR_setregid32
3984 case TARGET_NR_setregid32:
3985 ret = get_errno(setregid(arg1, arg2));
3986 break;
3987 #endif
3988 #ifdef TARGET_NR_getgroups32
3989 case TARGET_NR_getgroups32:
3990 {
3991 int gidsetsize = arg1;
3992 uint32_t *target_grouplist;
3993 gid_t *grouplist;
3994 int i;
3995
3996 grouplist = alloca(gidsetsize * sizeof(gid_t));
3997 ret = get_errno(getgroups(gidsetsize, grouplist));
3998 if (!is_error(ret)) {
3999 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
4000 for(i = 0;i < gidsetsize; i++)
4001 target_grouplist[i] = tswap32(grouplist[i]);
4002 unlock_user(target_grouplist, arg2, gidsetsize * 4);
4003 }
4004 }
4005 break;
4006 #endif
4007 #ifdef TARGET_NR_setgroups32
4008 case TARGET_NR_setgroups32:
4009 {
4010 int gidsetsize = arg1;
4011 uint32_t *target_grouplist;
4012 gid_t *grouplist;
4013 int i;
4014
4015 grouplist = alloca(gidsetsize * sizeof(gid_t));
4016 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
4017 for(i = 0;i < gidsetsize; i++)
4018 grouplist[i] = tswap32(target_grouplist[i]);
4019 unlock_user(target_grouplist, arg2, 0);
4020 ret = get_errno(setgroups(gidsetsize, grouplist));
4021 }
4022 break;
4023 #endif
4024 #ifdef TARGET_NR_fchown32
4025 case TARGET_NR_fchown32:
4026 ret = get_errno(fchown(arg1, arg2, arg3));
4027 break;
4028 #endif
4029 #ifdef TARGET_NR_setresuid32
4030 case TARGET_NR_setresuid32:
4031 ret = get_errno(setresuid(arg1, arg2, arg3));
4032 break;
4033 #endif
4034 #ifdef TARGET_NR_getresuid32
4035 case TARGET_NR_getresuid32:
4036 {
4037 uid_t ruid, euid, suid;
4038 ret = get_errno(getresuid(&ruid, &euid, &suid));
4039 if (!is_error(ret)) {
4040 tput32(arg1, tswap32(ruid));
4041 tput32(arg2, tswap32(euid));
4042 tput32(arg3, tswap32(suid));
4043 }
4044 }
4045 break;
4046 #endif
4047 #ifdef TARGET_NR_setresgid32
4048 case TARGET_NR_setresgid32:
4049 ret = get_errno(setresgid(arg1, arg2, arg3));
4050 break;
4051 #endif
4052 #ifdef TARGET_NR_getresgid32
4053 case TARGET_NR_getresgid32:
4054 {
4055 gid_t rgid, egid, sgid;
4056 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4057 if (!is_error(ret)) {
4058 tput32(arg1, tswap32(rgid));
4059 tput32(arg2, tswap32(egid));
4060 tput32(arg3, tswap32(sgid));
4061 }
4062 }
4063 break;
4064 #endif
4065 #ifdef TARGET_NR_chown32
4066 case TARGET_NR_chown32:
4067 p = lock_user_string(arg1);
4068 ret = get_errno(chown(p, arg2, arg3));
4069 unlock_user(p, arg1, 0);
4070 break;
4071 #endif
4072 #ifdef TARGET_NR_setuid32
4073 case TARGET_NR_setuid32:
4074 ret = get_errno(setuid(arg1));
4075 break;
4076 #endif
4077 #ifdef TARGET_NR_setgid32
4078 case TARGET_NR_setgid32:
4079 ret = get_errno(setgid(arg1));
4080 break;
4081 #endif
4082 #ifdef TARGET_NR_setfsuid32
4083 case TARGET_NR_setfsuid32:
4084 ret = get_errno(setfsuid(arg1));
4085 break;
4086 #endif
4087 #ifdef TARGET_NR_setfsgid32
4088 case TARGET_NR_setfsgid32:
4089 ret = get_errno(setfsgid(arg1));
4090 break;
4091 #endif
4092
4093 case TARGET_NR_pivot_root:
4094 goto unimplemented;
4095 #ifdef TARGET_NR_mincore
4096 case TARGET_NR_mincore:
4097 goto unimplemented;
4098 #endif
4099 #ifdef TARGET_NR_madvise
4100 case TARGET_NR_madvise:
4101 /* A straight passthrough may not be safe because qemu sometimes
4102 turns private flie-backed mappings into anonymous mappings.
4103 This will break MADV_DONTNEED.
4104 This is a hint, so ignoring and returning success is ok. */
4105 ret = get_errno(0);
4106 break;
4107 #endif
4108 #if TARGET_LONG_BITS == 32
4109 case TARGET_NR_fcntl64:
4110 {
4111 int cmd;
4112 struct flock64 fl;
4113 struct target_flock64 *target_fl;
4114 #ifdef TARGET_ARM
4115 struct target_eabi_flock64 *target_efl;
4116 #endif
4117
4118 switch(arg2){
4119 case TARGET_F_GETLK64:
4120 cmd = F_GETLK64;
4121 break;
4122 case TARGET_F_SETLK64:
4123 cmd = F_SETLK64;
4124 break;
4125 case TARGET_F_SETLKW64:
4126 cmd = F_SETLK64;
4127 break;
4128 default:
4129 cmd = arg2;
4130 break;
4131 }
4132
4133 switch(arg2) {
4134 case TARGET_F_GETLK64:
4135 #ifdef TARGET_ARM
4136 if (((CPUARMState *)cpu_env)->eabi) {
4137 lock_user_struct(target_efl, arg3, 1);
4138 fl.l_type = tswap16(target_efl->l_type);
4139 fl.l_whence = tswap16(target_efl->l_whence);
4140 fl.l_start = tswap64(target_efl->l_start);
4141 fl.l_len = tswap64(target_efl->l_len);
4142 fl.l_pid = tswapl(target_efl->l_pid);
4143 unlock_user_struct(target_efl, arg3, 0);
4144 } else
4145 #endif
4146 {
4147 lock_user_struct(target_fl, arg3, 1);
4148 fl.l_type = tswap16(target_fl->l_type);
4149 fl.l_whence = tswap16(target_fl->l_whence);
4150 fl.l_start = tswap64(target_fl->l_start);
4151 fl.l_len = tswap64(target_fl->l_len);
4152 fl.l_pid = tswapl(target_fl->l_pid);
4153 unlock_user_struct(target_fl, arg3, 0);
4154 }
4155 ret = get_errno(fcntl(arg1, cmd, &fl));
4156 if (ret == 0) {
4157 #ifdef TARGET_ARM
4158 if (((CPUARMState *)cpu_env)->eabi) {
4159 lock_user_struct(target_efl, arg3, 0);
4160 target_efl->l_type = tswap16(fl.l_type);
4161 target_efl->l_whence = tswap16(fl.l_whence);
4162 target_efl->l_start = tswap64(fl.l_start);
4163 target_efl->l_len = tswap64(fl.l_len);
4164 target_efl->l_pid = tswapl(fl.l_pid);
4165 unlock_user_struct(target_efl, arg3, 1);
4166 } else
4167 #endif
4168 {
4169 lock_user_struct(target_fl, arg3, 0);
4170 target_fl->l_type = tswap16(fl.l_type);
4171 target_fl->l_whence = tswap16(fl.l_whence);
4172 target_fl->l_start = tswap64(fl.l_start);
4173 target_fl->l_len = tswap64(fl.l_len);
4174 target_fl->l_pid = tswapl(fl.l_pid);
4175 unlock_user_struct(target_fl, arg3, 1);
4176 }
4177 }
4178 break;
4179
4180 case TARGET_F_SETLK64:
4181 case TARGET_F_SETLKW64:
4182 #ifdef TARGET_ARM
4183 if (((CPUARMState *)cpu_env)->eabi) {
4184 lock_user_struct(target_efl, arg3, 1);
4185 fl.l_type = tswap16(target_efl->l_type);
4186 fl.l_whence = tswap16(target_efl->l_whence);
4187 fl.l_start = tswap64(target_efl->l_start);
4188 fl.l_len = tswap64(target_efl->l_len);
4189 fl.l_pid = tswapl(target_efl->l_pid);
4190 unlock_user_struct(target_efl, arg3, 0);
4191 } else
4192 #endif
4193 {
4194 lock_user_struct(target_fl, arg3, 1);
4195 fl.l_type = tswap16(target_fl->l_type);
4196 fl.l_whence = tswap16(target_fl->l_whence);
4197 fl.l_start = tswap64(target_fl->l_start);
4198 fl.l_len = tswap64(target_fl->l_len);
4199 fl.l_pid = tswapl(target_fl->l_pid);
4200 unlock_user_struct(target_fl, arg3, 0);
4201 }
4202 ret = get_errno(fcntl(arg1, cmd, &fl));
4203 break;
4204 default:
4205 ret = get_errno(do_fcntl(arg1, cmd, arg3));
4206 break;
4207 }
4208 break;
4209 }
4210 #endif
4211 #ifdef TARGET_NR_cacheflush
4212 case TARGET_NR_cacheflush:
4213 /* self-modifying code is handled automatically, so nothing needed */
4214 ret = 0;
4215 break;
4216 #endif
4217 #ifdef TARGET_NR_security
4218 case TARGET_NR_security:
4219 goto unimplemented;
4220 #endif
4221 #ifdef TARGET_NR_getpagesize
4222 case TARGET_NR_getpagesize:
4223 ret = TARGET_PAGE_SIZE;
4224 break;
4225 #endif
4226 case TARGET_NR_gettid:
4227 ret = get_errno(gettid());
4228 break;
4229 #ifdef TARGET_NR_readahead
4230 case TARGET_NR_readahead:
4231 goto unimplemented;
4232 #endif
4233 #ifdef TARGET_NR_setxattr
4234 case TARGET_NR_setxattr:
4235 case TARGET_NR_lsetxattr:
4236 case TARGET_NR_fsetxattr:
4237 case TARGET_NR_getxattr:
4238 case TARGET_NR_lgetxattr:
4239 case TARGET_NR_fgetxattr:
4240 case TARGET_NR_listxattr:
4241 case TARGET_NR_llistxattr:
4242 case TARGET_NR_flistxattr:
4243 case TARGET_NR_removexattr:
4244 case TARGET_NR_lremovexattr:
4245 case TARGET_NR_fremovexattr:
4246 goto unimplemented_nowarn;
4247 #endif
4248 #ifdef TARGET_NR_set_thread_area
4249 case TARGET_NR_set_thread_area:
4250 #ifdef TARGET_MIPS
4251 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4252 ret = 0;
4253 break;
4254 #else
4255 goto unimplemented_nowarn;
4256 #endif
4257 #endif
4258 #ifdef TARGET_NR_get_thread_area
4259 case TARGET_NR_get_thread_area:
4260 goto unimplemented_nowarn;
4261 #endif
4262 #ifdef TARGET_NR_getdomainname
4263 case TARGET_NR_getdomainname:
4264 goto unimplemented_nowarn;
4265 #endif
4266
4267 #ifdef TARGET_NR_clock_gettime
4268 case TARGET_NR_clock_gettime:
4269 {
4270 struct timespec ts;
4271 ret = get_errno(clock_gettime(arg1, &ts));
4272 if (!is_error(ret)) {
4273 host_to_target_timespec(arg2, &ts);
4274 }
4275 break;
4276 }
4277 #endif
4278 #ifdef TARGET_NR_clock_getres
4279 case TARGET_NR_clock_getres:
4280 {
4281 struct timespec ts;
4282 ret = get_errno(clock_getres(arg1, &ts));
4283 if (!is_error(ret)) {
4284 host_to_target_timespec(arg2, &ts);
4285 }
4286 break;
4287 }
4288 #endif
4289
4290 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4291 case TARGET_NR_set_tid_address:
4292 ret = get_errno(set_tid_address((int *) arg1));
4293 break;
4294 #endif
4295
4296 default:
4297 unimplemented:
4298 gemu_log("qemu: Unsupported syscall: %d\n", num);
4299 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname)
4300 unimplemented_nowarn:
4301 #endif
4302 ret = -ENOSYS;
4303 break;
4304 }
4305 fail:
4306 #ifdef DEBUG
4307 gemu_log(" = %ld\n", ret);
4308 #endif
4309 return ret;
4310 }
4311
Stable branch of Qemu 0.9.1