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Fix Sparc64 stat system call
[qemu.git] / linux-user / syscall.c
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 #define __NR_sys_tgkill __NR_tgkill
148
149 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
150 #define __NR__llseek __NR_lseek
151 #endif
152
153 #ifdef __NR_gettid
154 _syscall0(int, gettid)
155 #else
156 static int gettid(void) {
157 return -ENOSYS;
158 }
159 #endif
160 _syscall1(int,sys_uname,struct new_utsname *,buf)
161 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
162 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
163 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
164 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
165 loff_t *, res, uint, wh);
166 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
167 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
168 _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
169 #ifdef __NR_exit_group
170 _syscall1(int,exit_group,int,error_code)
171 #endif
172 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
173 _syscall1(int,set_tid_address,int *,tidptr)
174 #endif
175
176 extern int personality(int);
177 extern int flock(int, int);
178 extern int setfsuid(int);
179 extern int setfsgid(int);
180 extern int setresuid(uid_t, uid_t, uid_t);
181 extern int getresuid(uid_t *, uid_t *, uid_t *);
182 extern int setresgid(gid_t, gid_t, gid_t);
183 extern int getresgid(gid_t *, gid_t *, gid_t *);
184 extern int setgroups(int, gid_t *);
185
186 /*
187 * This list is the union of errno values overidden in asm-<arch>/errno.h
188 * minus the errnos that are not actually generic to all archs.
189 */
190 static uint16_t host_to_target_errno_table[1200] = {
191 [EIDRM] = TARGET_EIDRM,
192 [ECHRNG] = TARGET_ECHRNG,
193 [EL2NSYNC] = TARGET_EL2NSYNC,
194 [EL3HLT] = TARGET_EL3HLT,
195 [EL3RST] = TARGET_EL3RST,
196 [ELNRNG] = TARGET_ELNRNG,
197 [EUNATCH] = TARGET_EUNATCH,
198 [ENOCSI] = TARGET_ENOCSI,
199 [EL2HLT] = TARGET_EL2HLT,
200 [EDEADLK] = TARGET_EDEADLK,
201 [ENOLCK] = TARGET_ENOLCK,
202 [EBADE] = TARGET_EBADE,
203 [EBADR] = TARGET_EBADR,
204 [EXFULL] = TARGET_EXFULL,
205 [ENOANO] = TARGET_ENOANO,
206 [EBADRQC] = TARGET_EBADRQC,
207 [EBADSLT] = TARGET_EBADSLT,
208 [EBFONT] = TARGET_EBFONT,
209 [ENOSTR] = TARGET_ENOSTR,
210 [ENODATA] = TARGET_ENODATA,
211 [ETIME] = TARGET_ETIME,
212 [ENOSR] = TARGET_ENOSR,
213 [ENONET] = TARGET_ENONET,
214 [ENOPKG] = TARGET_ENOPKG,
215 [EREMOTE] = TARGET_EREMOTE,
216 [ENOLINK] = TARGET_ENOLINK,
217 [EADV] = TARGET_EADV,
218 [ESRMNT] = TARGET_ESRMNT,
219 [ECOMM] = TARGET_ECOMM,
220 [EPROTO] = TARGET_EPROTO,
221 [EDOTDOT] = TARGET_EDOTDOT,
222 [EMULTIHOP] = TARGET_EMULTIHOP,
223 [EBADMSG] = TARGET_EBADMSG,
224 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
225 [EOVERFLOW] = TARGET_EOVERFLOW,
226 [ENOTUNIQ] = TARGET_ENOTUNIQ,
227 [EBADFD] = TARGET_EBADFD,
228 [EREMCHG] = TARGET_EREMCHG,
229 [ELIBACC] = TARGET_ELIBACC,
230 [ELIBBAD] = TARGET_ELIBBAD,
231 [ELIBSCN] = TARGET_ELIBSCN,
232 [ELIBMAX] = TARGET_ELIBMAX,
233 [ELIBEXEC] = TARGET_ELIBEXEC,
234 [EILSEQ] = TARGET_EILSEQ,
235 [ENOSYS] = TARGET_ENOSYS,
236 [ELOOP] = TARGET_ELOOP,
237 [ERESTART] = TARGET_ERESTART,
238 [ESTRPIPE] = TARGET_ESTRPIPE,
239 [ENOTEMPTY] = TARGET_ENOTEMPTY,
240 [EUSERS] = TARGET_EUSERS,
241 [ENOTSOCK] = TARGET_ENOTSOCK,
242 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
243 [EMSGSIZE] = TARGET_EMSGSIZE,
244 [EPROTOTYPE] = TARGET_EPROTOTYPE,
245 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
246 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
247 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
248 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
249 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
250 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
251 [EADDRINUSE] = TARGET_EADDRINUSE,
252 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
253 [ENETDOWN] = TARGET_ENETDOWN,
254 [ENETUNREACH] = TARGET_ENETUNREACH,
255 [ENETRESET] = TARGET_ENETRESET,
256 [ECONNABORTED] = TARGET_ECONNABORTED,
257 [ECONNRESET] = TARGET_ECONNRESET,
258 [ENOBUFS] = TARGET_ENOBUFS,
259 [EISCONN] = TARGET_EISCONN,
260 [ENOTCONN] = TARGET_ENOTCONN,
261 [EUCLEAN] = TARGET_EUCLEAN,
262 [ENOTNAM] = TARGET_ENOTNAM,
263 [ENAVAIL] = TARGET_ENAVAIL,
264 [EISNAM] = TARGET_EISNAM,
265 [EREMOTEIO] = TARGET_EREMOTEIO,
266 [ESHUTDOWN] = TARGET_ESHUTDOWN,
267 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
268 [ETIMEDOUT] = TARGET_ETIMEDOUT,
269 [ECONNREFUSED] = TARGET_ECONNREFUSED,
270 [EHOSTDOWN] = TARGET_EHOSTDOWN,
271 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
272 [EALREADY] = TARGET_EALREADY,
273 [EINPROGRESS] = TARGET_EINPROGRESS,
274 [ESTALE] = TARGET_ESTALE,
275 [ECANCELED] = TARGET_ECANCELED,
276 [ENOMEDIUM] = TARGET_ENOMEDIUM,
277 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
278 [ENOKEY] = TARGET_ENOKEY,
279 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
280 [EKEYREVOKED] = TARGET_EKEYREVOKED,
281 [EKEYREJECTED] = TARGET_EKEYREJECTED,
282 [EOWNERDEAD] = TARGET_EOWNERDEAD,
283 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
284 };
285
286 static inline int host_to_target_errno(int err)
287 {
288 if(host_to_target_errno_table[err])
289 return host_to_target_errno_table[err];
290 return err;
291 }
292
293 static inline long get_errno(long ret)
294 {
295 if (ret == -1)
296 return -host_to_target_errno(errno);
297 else
298 return ret;
299 }
300
301 static inline int is_error(long ret)
302 {
303 return (unsigned long)ret >= (unsigned long)(-4096);
304 }
305
306 static target_ulong target_brk;
307 static target_ulong target_original_brk;
308
309 void target_set_brk(target_ulong new_brk)
310 {
311 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
312 }
313
314 long do_brk(target_ulong new_brk)
315 {
316 target_ulong brk_page;
317 long mapped_addr;
318 int new_alloc_size;
319
320 if (!new_brk)
321 return target_brk;
322 if (new_brk < target_original_brk)
323 return -ENOMEM;
324
325 brk_page = HOST_PAGE_ALIGN(target_brk);
326
327 /* If the new brk is less than this, set it and we're done... */
328 if (new_brk < brk_page) {
329 target_brk = new_brk;
330 return target_brk;
331 }
332
333 /* We need to allocate more memory after the brk... */
334 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
335 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
336 PROT_READ|PROT_WRITE,
337 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
338 if (is_error(mapped_addr)) {
339 return mapped_addr;
340 } else {
341 target_brk = new_brk;
342 return target_brk;
343 }
344 }
345
346 static inline fd_set *target_to_host_fds(fd_set *fds,
347 target_long *target_fds, int n)
348 {
349 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
350 return (fd_set *)target_fds;
351 #else
352 int i, b;
353 if (target_fds) {
354 FD_ZERO(fds);
355 for(i = 0;i < n; i++) {
356 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
357 (i & (TARGET_LONG_BITS - 1))) & 1;
358 if (b)
359 FD_SET(i, fds);
360 }
361 return fds;
362 } else {
363 return NULL;
364 }
365 #endif
366 }
367
368 static inline void host_to_target_fds(target_long *target_fds,
369 fd_set *fds, int n)
370 {
371 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
372 /* nothing to do */
373 #else
374 int i, nw, j, k;
375 target_long v;
376
377 if (target_fds) {
378 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
379 k = 0;
380 for(i = 0;i < nw; i++) {
381 v = 0;
382 for(j = 0; j < TARGET_LONG_BITS; j++) {
383 v |= ((FD_ISSET(k, fds) != 0) << j);
384 k++;
385 }
386 target_fds[i] = tswapl(v);
387 }
388 }
389 #endif
390 }
391
392 #if defined(__alpha__)
393 #define HOST_HZ 1024
394 #else
395 #define HOST_HZ 100
396 #endif
397
398 static inline long host_to_target_clock_t(long ticks)
399 {
400 #if HOST_HZ == TARGET_HZ
401 return ticks;
402 #else
403 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
404 #endif
405 }
406
407 static inline void host_to_target_rusage(target_ulong target_addr,
408 const struct rusage *rusage)
409 {
410 struct target_rusage *target_rusage;
411
412 lock_user_struct(target_rusage, target_addr, 0);
413 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
414 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
415 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
416 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
417 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
418 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
419 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
420 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
421 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
422 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
423 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
424 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
425 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
426 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
427 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
428 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
429 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
430 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
431 unlock_user_struct(target_rusage, target_addr, 1);
432 }
433
434 static inline void target_to_host_timeval(struct timeval *tv,
435 target_ulong target_addr)
436 {
437 struct target_timeval *target_tv;
438
439 lock_user_struct(target_tv, target_addr, 1);
440 tv->tv_sec = tswapl(target_tv->tv_sec);
441 tv->tv_usec = tswapl(target_tv->tv_usec);
442 unlock_user_struct(target_tv, target_addr, 0);
443 }
444
445 static inline void host_to_target_timeval(target_ulong target_addr,
446 const struct timeval *tv)
447 {
448 struct target_timeval *target_tv;
449
450 lock_user_struct(target_tv, target_addr, 0);
451 target_tv->tv_sec = tswapl(tv->tv_sec);
452 target_tv->tv_usec = tswapl(tv->tv_usec);
453 unlock_user_struct(target_tv, target_addr, 1);
454 }
455
456
457 static long do_select(long n,
458 target_ulong rfd_p, target_ulong wfd_p,
459 target_ulong efd_p, target_ulong target_tv)
460 {
461 fd_set rfds, wfds, efds;
462 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
463 target_long *target_rfds, *target_wfds, *target_efds;
464 struct timeval tv, *tv_ptr;
465 long ret;
466 int ok;
467
468 if (rfd_p) {
469 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
470 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
471 } else {
472 target_rfds = NULL;
473 rfds_ptr = NULL;
474 }
475 if (wfd_p) {
476 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
477 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
478 } else {
479 target_wfds = NULL;
480 wfds_ptr = NULL;
481 }
482 if (efd_p) {
483 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
484 efds_ptr = target_to_host_fds(&efds, target_efds, n);
485 } else {
486 target_efds = NULL;
487 efds_ptr = NULL;
488 }
489
490 if (target_tv) {
491 target_to_host_timeval(&tv, target_tv);
492 tv_ptr = &tv;
493 } else {
494 tv_ptr = NULL;
495 }
496 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
497 ok = !is_error(ret);
498
499 if (ok) {
500 host_to_target_fds(target_rfds, rfds_ptr, n);
501 host_to_target_fds(target_wfds, wfds_ptr, n);
502 host_to_target_fds(target_efds, efds_ptr, n);
503
504 if (target_tv) {
505 host_to_target_timeval(target_tv, &tv);
506 }
507 }
508 if (target_rfds)
509 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
510 if (target_wfds)
511 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
512 if (target_efds)
513 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
514
515 return ret;
516 }
517
518 static inline void target_to_host_sockaddr(struct sockaddr *addr,
519 target_ulong target_addr,
520 socklen_t len)
521 {
522 struct target_sockaddr *target_saddr;
523
524 target_saddr = lock_user(target_addr, len, 1);
525 memcpy(addr, target_saddr, len);
526 addr->sa_family = tswap16(target_saddr->sa_family);
527 unlock_user(target_saddr, target_addr, 0);
528 }
529
530 static inline void host_to_target_sockaddr(target_ulong target_addr,
531 struct sockaddr *addr,
532 socklen_t len)
533 {
534 struct target_sockaddr *target_saddr;
535
536 target_saddr = lock_user(target_addr, len, 0);
537 memcpy(target_saddr, addr, len);
538 target_saddr->sa_family = tswap16(addr->sa_family);
539 unlock_user(target_saddr, target_addr, len);
540 }
541
542 /* ??? Should this also swap msgh->name? */
543 static inline void target_to_host_cmsg(struct msghdr *msgh,
544 struct target_msghdr *target_msgh)
545 {
546 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
547 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
548 socklen_t space = 0;
549
550 while (cmsg && target_cmsg) {
551 void *data = CMSG_DATA(cmsg);
552 void *target_data = TARGET_CMSG_DATA(target_cmsg);
553
554 int len = tswapl(target_cmsg->cmsg_len)
555 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
556
557 space += CMSG_SPACE(len);
558 if (space > msgh->msg_controllen) {
559 space -= CMSG_SPACE(len);
560 gemu_log("Host cmsg overflow\n");
561 break;
562 }
563
564 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
565 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
566 cmsg->cmsg_len = CMSG_LEN(len);
567
568 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
569 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
570 memcpy(data, target_data, len);
571 } else {
572 int *fd = (int *)data;
573 int *target_fd = (int *)target_data;
574 int i, numfds = len / sizeof(int);
575
576 for (i = 0; i < numfds; i++)
577 fd[i] = tswap32(target_fd[i]);
578 }
579
580 cmsg = CMSG_NXTHDR(msgh, cmsg);
581 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
582 }
583
584 msgh->msg_controllen = space;
585 }
586
587 /* ??? Should this also swap msgh->name? */
588 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
589 struct msghdr *msgh)
590 {
591 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
592 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
593 socklen_t space = 0;
594
595 while (cmsg && target_cmsg) {
596 void *data = CMSG_DATA(cmsg);
597 void *target_data = TARGET_CMSG_DATA(target_cmsg);
598
599 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
600
601 space += TARGET_CMSG_SPACE(len);
602 if (space > tswapl(target_msgh->msg_controllen)) {
603 space -= TARGET_CMSG_SPACE(len);
604 gemu_log("Target cmsg overflow\n");
605 break;
606 }
607
608 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
609 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
610 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
611
612 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
613 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
614 memcpy(target_data, data, len);
615 } else {
616 int *fd = (int *)data;
617 int *target_fd = (int *)target_data;
618 int i, numfds = len / sizeof(int);
619
620 for (i = 0; i < numfds; i++)
621 target_fd[i] = tswap32(fd[i]);
622 }
623
624 cmsg = CMSG_NXTHDR(msgh, cmsg);
625 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
626 }
627
628 msgh->msg_controllen = tswapl(space);
629 }
630
631 static long do_setsockopt(int sockfd, int level, int optname,
632 target_ulong optval, socklen_t optlen)
633 {
634 int val, ret;
635
636 switch(level) {
637 case SOL_TCP:
638 /* TCP options all take an 'int' value. */
639 if (optlen < sizeof(uint32_t))
640 return -EINVAL;
641
642 val = tget32(optval);
643 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
644 break;
645 case SOL_IP:
646 switch(optname) {
647 case IP_TOS:
648 case IP_TTL:
649 case IP_HDRINCL:
650 case IP_ROUTER_ALERT:
651 case IP_RECVOPTS:
652 case IP_RETOPTS:
653 case IP_PKTINFO:
654 case IP_MTU_DISCOVER:
655 case IP_RECVERR:
656 case IP_RECVTOS:
657 #ifdef IP_FREEBIND
658 case IP_FREEBIND:
659 #endif
660 case IP_MULTICAST_TTL:
661 case IP_MULTICAST_LOOP:
662 val = 0;
663 if (optlen >= sizeof(uint32_t)) {
664 val = tget32(optval);
665 } else if (optlen >= 1) {
666 val = tget8(optval);
667 }
668 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
669 break;
670 default:
671 goto unimplemented;
672 }
673 break;
674 case TARGET_SOL_SOCKET:
675 switch (optname) {
676 /* Options with 'int' argument. */
677 case TARGET_SO_DEBUG:
678 optname = SO_DEBUG;
679 break;
680 case TARGET_SO_REUSEADDR:
681 optname = SO_REUSEADDR;
682 break;
683 case TARGET_SO_TYPE:
684 optname = SO_TYPE;
685 break;
686 case TARGET_SO_ERROR:
687 optname = SO_ERROR;
688 break;
689 case TARGET_SO_DONTROUTE:
690 optname = SO_DONTROUTE;
691 break;
692 case TARGET_SO_BROADCAST:
693 optname = SO_BROADCAST;
694 break;
695 case TARGET_SO_SNDBUF:
696 optname = SO_SNDBUF;
697 break;
698 case TARGET_SO_RCVBUF:
699 optname = SO_RCVBUF;
700 break;
701 case TARGET_SO_KEEPALIVE:
702 optname = SO_KEEPALIVE;
703 break;
704 case TARGET_SO_OOBINLINE:
705 optname = SO_OOBINLINE;
706 break;
707 case TARGET_SO_NO_CHECK:
708 optname = SO_NO_CHECK;
709 break;
710 case TARGET_SO_PRIORITY:
711 optname = SO_PRIORITY;
712 break;
713 #ifdef SO_BSDCOMPAT
714 case TARGET_SO_BSDCOMPAT:
715 optname = SO_BSDCOMPAT;
716 break;
717 #endif
718 case TARGET_SO_PASSCRED:
719 optname = SO_PASSCRED;
720 break;
721 case TARGET_SO_TIMESTAMP:
722 optname = SO_TIMESTAMP;
723 break;
724 case TARGET_SO_RCVLOWAT:
725 optname = SO_RCVLOWAT;
726 break;
727 case TARGET_SO_RCVTIMEO:
728 optname = SO_RCVTIMEO;
729 break;
730 case TARGET_SO_SNDTIMEO:
731 optname = SO_SNDTIMEO;
732 break;
733 break;
734 default:
735 goto unimplemented;
736 }
737 if (optlen < sizeof(uint32_t))
738 return -EINVAL;
739
740 val = tget32(optval);
741 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
742 break;
743 default:
744 unimplemented:
745 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
746 ret = -ENOSYS;
747 }
748 return ret;
749 }
750
751 static long do_getsockopt(int sockfd, int level, int optname,
752 target_ulong optval, target_ulong optlen)
753 {
754 int len, lv, val, ret;
755
756 switch(level) {
757 case TARGET_SOL_SOCKET:
758 level = SOL_SOCKET;
759 switch (optname) {
760 case TARGET_SO_LINGER:
761 case TARGET_SO_RCVTIMEO:
762 case TARGET_SO_SNDTIMEO:
763 case TARGET_SO_PEERCRED:
764 case TARGET_SO_PEERNAME:
765 /* These don't just return a single integer */
766 goto unimplemented;
767 default:
768 goto int_case;
769 }
770 break;
771 case SOL_TCP:
772 /* TCP options all take an 'int' value. */
773 int_case:
774 len = tget32(optlen);
775 if (len < 0)
776 return -EINVAL;
777 lv = sizeof(int);
778 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
779 if (ret < 0)
780 return ret;
781 val = tswap32(val);
782 if (len > lv)
783 len = lv;
784 if (len == 4)
785 tput32(optval, val);
786 else
787 tput8(optval, val);
788 tput32(optlen, len);
789 break;
790 case SOL_IP:
791 switch(optname) {
792 case IP_TOS:
793 case IP_TTL:
794 case IP_HDRINCL:
795 case IP_ROUTER_ALERT:
796 case IP_RECVOPTS:
797 case IP_RETOPTS:
798 case IP_PKTINFO:
799 case IP_MTU_DISCOVER:
800 case IP_RECVERR:
801 case IP_RECVTOS:
802 #ifdef IP_FREEBIND
803 case IP_FREEBIND:
804 #endif
805 case IP_MULTICAST_TTL:
806 case IP_MULTICAST_LOOP:
807 len = tget32(optlen);
808 if (len < 0)
809 return -EINVAL;
810 lv = sizeof(int);
811 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
812 if (ret < 0)
813 return ret;
814 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
815 len = 1;
816 tput32(optlen, len);
817 tput8(optval, val);
818 } else {
819 if (len > sizeof(int))
820 len = sizeof(int);
821 tput32(optlen, len);
822 tput32(optval, val);
823 }
824 break;
825 default:
826 goto unimplemented;
827 }
828 break;
829 default:
830 unimplemented:
831 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
832 level, optname);
833 ret = -ENOSYS;
834 break;
835 }
836 return ret;
837 }
838
839 static void lock_iovec(struct iovec *vec, target_ulong target_addr,
840 int count, int copy)
841 {
842 struct target_iovec *target_vec;
843 target_ulong base;
844 int i;
845
846 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
847 for(i = 0;i < count; i++) {
848 base = tswapl(target_vec[i].iov_base);
849 vec[i].iov_len = tswapl(target_vec[i].iov_len);
850 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
851 }
852 unlock_user (target_vec, target_addr, 0);
853 }
854
855 static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
856 int count, int copy)
857 {
858 struct target_iovec *target_vec;
859 target_ulong base;
860 int i;
861
862 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
863 for(i = 0;i < count; i++) {
864 base = tswapl(target_vec[i].iov_base);
865 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
866 }
867 unlock_user (target_vec, target_addr, 0);
868 }
869
870 static long do_socket(int domain, int type, int protocol)
871 {
872 #if defined(TARGET_MIPS)
873 switch(type) {
874 case TARGET_SOCK_DGRAM:
875 type = SOCK_DGRAM;
876 break;
877 case TARGET_SOCK_STREAM:
878 type = SOCK_STREAM;
879 break;
880 case TARGET_SOCK_RAW:
881 type = SOCK_RAW;
882 break;
883 case TARGET_SOCK_RDM:
884 type = SOCK_RDM;
885 break;
886 case TARGET_SOCK_SEQPACKET:
887 type = SOCK_SEQPACKET;
888 break;
889 case TARGET_SOCK_PACKET:
890 type = SOCK_PACKET;
891 break;
892 }
893 #endif
894 return get_errno(socket(domain, type, protocol));
895 }
896
897 static long do_bind(int sockfd, target_ulong target_addr,
898 socklen_t addrlen)
899 {
900 void *addr = alloca(addrlen);
901
902 target_to_host_sockaddr(addr, target_addr, addrlen);
903 return get_errno(bind(sockfd, addr, addrlen));
904 }
905
906 static long do_connect(int sockfd, target_ulong target_addr,
907 socklen_t addrlen)
908 {
909 void *addr = alloca(addrlen);
910
911 target_to_host_sockaddr(addr, target_addr, addrlen);
912 return get_errno(connect(sockfd, addr, addrlen));
913 }
914
915 static long do_sendrecvmsg(int fd, target_ulong target_msg,
916 int flags, int send)
917 {
918 long ret;
919 struct target_msghdr *msgp;
920 struct msghdr msg;
921 int count;
922 struct iovec *vec;
923 target_ulong target_vec;
924
925 lock_user_struct(msgp, target_msg, 1);
926 if (msgp->msg_name) {
927 msg.msg_namelen = tswap32(msgp->msg_namelen);
928 msg.msg_name = alloca(msg.msg_namelen);
929 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
930 msg.msg_namelen);
931 } else {
932 msg.msg_name = NULL;
933 msg.msg_namelen = 0;
934 }
935 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
936 msg.msg_control = alloca(msg.msg_controllen);
937 msg.msg_flags = tswap32(msgp->msg_flags);
938
939 count = tswapl(msgp->msg_iovlen);
940 vec = alloca(count * sizeof(struct iovec));
941 target_vec = tswapl(msgp->msg_iov);
942 lock_iovec(vec, target_vec, count, send);
943 msg.msg_iovlen = count;
944 msg.msg_iov = vec;
945
946 if (send) {
947 target_to_host_cmsg(&msg, msgp);
948 ret = get_errno(sendmsg(fd, &msg, flags));
949 } else {
950 ret = get_errno(recvmsg(fd, &msg, flags));
951 if (!is_error(ret))
952 host_to_target_cmsg(msgp, &msg);
953 }
954 unlock_iovec(vec, target_vec, count, !send);
955 return ret;
956 }
957
958 static long do_accept(int fd, target_ulong target_addr,
959 target_ulong target_addrlen)
960 {
961 socklen_t addrlen = tget32(target_addrlen);
962 void *addr = alloca(addrlen);
963 long ret;
964
965 ret = get_errno(accept(fd, addr, &addrlen));
966 if (!is_error(ret)) {
967 host_to_target_sockaddr(target_addr, addr, addrlen);
968 tput32(target_addrlen, addrlen);
969 }
970 return ret;
971 }
972
973 static long do_getpeername(int fd, target_ulong target_addr,
974 target_ulong target_addrlen)
975 {
976 socklen_t addrlen = tget32(target_addrlen);
977 void *addr = alloca(addrlen);
978 long ret;
979
980 ret = get_errno(getpeername(fd, addr, &addrlen));
981 if (!is_error(ret)) {
982 host_to_target_sockaddr(target_addr, addr, addrlen);
983 tput32(target_addrlen, addrlen);
984 }
985 return ret;
986 }
987
988 static long do_getsockname(int fd, target_ulong target_addr,
989 target_ulong target_addrlen)
990 {
991 socklen_t addrlen = tget32(target_addrlen);
992 void *addr = alloca(addrlen);
993 long ret;
994
995 ret = get_errno(getsockname(fd, addr, &addrlen));
996 if (!is_error(ret)) {
997 host_to_target_sockaddr(target_addr, addr, addrlen);
998 tput32(target_addrlen, addrlen);
999 }
1000 return ret;
1001 }
1002
1003 static long do_socketpair(int domain, int type, int protocol,
1004 target_ulong target_tab)
1005 {
1006 int tab[2];
1007 long ret;
1008
1009 ret = get_errno(socketpair(domain, type, protocol, tab));
1010 if (!is_error(ret)) {
1011 tput32(target_tab, tab[0]);
1012 tput32(target_tab + 4, tab[1]);
1013 }
1014 return ret;
1015 }
1016
1017 static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
1018 target_ulong target_addr, socklen_t addrlen)
1019 {
1020 void *addr;
1021 void *host_msg;
1022 long ret;
1023
1024 host_msg = lock_user(msg, len, 1);
1025 if (target_addr) {
1026 addr = alloca(addrlen);
1027 target_to_host_sockaddr(addr, target_addr, addrlen);
1028 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1029 } else {
1030 ret = get_errno(send(fd, host_msg, len, flags));
1031 }
1032 unlock_user(host_msg, msg, 0);
1033 return ret;
1034 }
1035
1036 static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
1037 target_ulong target_addr, target_ulong target_addrlen)
1038 {
1039 socklen_t addrlen;
1040 void *addr;
1041 void *host_msg;
1042 long ret;
1043
1044 host_msg = lock_user(msg, len, 0);
1045 if (target_addr) {
1046 addrlen = tget32(target_addrlen);
1047 addr = alloca(addrlen);
1048 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1049 } else {
1050 addr = NULL; /* To keep compiler quiet. */
1051 ret = get_errno(recv(fd, host_msg, len, flags));
1052 }
1053 if (!is_error(ret)) {
1054 if (target_addr) {
1055 host_to_target_sockaddr(target_addr, addr, addrlen);
1056 tput32(target_addrlen, addrlen);
1057 }
1058 unlock_user(host_msg, msg, len);
1059 } else {
1060 unlock_user(host_msg, msg, 0);
1061 }
1062 return ret;
1063 }
1064
1065 static long do_socketcall(int num, target_ulong vptr)
1066 {
1067 long ret;
1068 const int n = sizeof(target_ulong);
1069
1070 switch(num) {
1071 case SOCKOP_socket:
1072 {
1073 int domain = tgetl(vptr);
1074 int type = tgetl(vptr + n);
1075 int protocol = tgetl(vptr + 2 * n);
1076 ret = do_socket(domain, type, protocol);
1077 }
1078 break;
1079 case SOCKOP_bind:
1080 {
1081 int sockfd = tgetl(vptr);
1082 target_ulong target_addr = tgetl(vptr + n);
1083 socklen_t addrlen = tgetl(vptr + 2 * n);
1084 ret = do_bind(sockfd, target_addr, addrlen);
1085 }
1086 break;
1087 case SOCKOP_connect:
1088 {
1089 int sockfd = tgetl(vptr);
1090 target_ulong target_addr = tgetl(vptr + n);
1091 socklen_t addrlen = tgetl(vptr + 2 * n);
1092 ret = do_connect(sockfd, target_addr, addrlen);
1093 }
1094 break;
1095 case SOCKOP_listen:
1096 {
1097 int sockfd = tgetl(vptr);
1098 int backlog = tgetl(vptr + n);
1099 ret = get_errno(listen(sockfd, backlog));
1100 }
1101 break;
1102 case SOCKOP_accept:
1103 {
1104 int sockfd = tgetl(vptr);
1105 target_ulong target_addr = tgetl(vptr + n);
1106 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1107 ret = do_accept(sockfd, target_addr, target_addrlen);
1108 }
1109 break;
1110 case SOCKOP_getsockname:
1111 {
1112 int sockfd = tgetl(vptr);
1113 target_ulong target_addr = tgetl(vptr + n);
1114 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1115 ret = do_getsockname(sockfd, target_addr, target_addrlen);
1116 }
1117 break;
1118 case SOCKOP_getpeername:
1119 {
1120 int sockfd = tgetl(vptr);
1121 target_ulong target_addr = tgetl(vptr + n);
1122 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1123 ret = do_getpeername(sockfd, target_addr, target_addrlen);
1124 }
1125 break;
1126 case SOCKOP_socketpair:
1127 {
1128 int domain = tgetl(vptr);
1129 int type = tgetl(vptr + n);
1130 int protocol = tgetl(vptr + 2 * n);
1131 target_ulong tab = tgetl(vptr + 3 * n);
1132 ret = do_socketpair(domain, type, protocol, tab);
1133 }
1134 break;
1135 case SOCKOP_send:
1136 {
1137 int sockfd = tgetl(vptr);
1138 target_ulong msg = tgetl(vptr + n);
1139 size_t len = tgetl(vptr + 2 * n);
1140 int flags = tgetl(vptr + 3 * n);
1141 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1142 }
1143 break;
1144 case SOCKOP_recv:
1145 {
1146 int sockfd = tgetl(vptr);
1147 target_ulong msg = tgetl(vptr + n);
1148 size_t len = tgetl(vptr + 2 * n);
1149 int flags = tgetl(vptr + 3 * n);
1150 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1151 }
1152 break;
1153 case SOCKOP_sendto:
1154 {
1155 int sockfd = tgetl(vptr);
1156 target_ulong msg = tgetl(vptr + n);
1157 size_t len = tgetl(vptr + 2 * n);
1158 int flags = tgetl(vptr + 3 * n);
1159 target_ulong addr = tgetl(vptr + 4 * n);
1160 socklen_t addrlen = tgetl(vptr + 5 * n);
1161 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1162 }
1163 break;
1164 case SOCKOP_recvfrom:
1165 {
1166 int sockfd = tgetl(vptr);
1167 target_ulong msg = tgetl(vptr + n);
1168 size_t len = tgetl(vptr + 2 * n);
1169 int flags = tgetl(vptr + 3 * n);
1170 target_ulong addr = tgetl(vptr + 4 * n);
1171 target_ulong addrlen = tgetl(vptr + 5 * n);
1172 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1173 }
1174 break;
1175 case SOCKOP_shutdown:
1176 {
1177 int sockfd = tgetl(vptr);
1178 int how = tgetl(vptr + n);
1179
1180 ret = get_errno(shutdown(sockfd, how));
1181 }
1182 break;
1183 case SOCKOP_sendmsg:
1184 case SOCKOP_recvmsg:
1185 {
1186 int fd;
1187 target_ulong target_msg;
1188 int flags;
1189
1190 fd = tgetl(vptr);
1191 target_msg = tgetl(vptr + n);
1192 flags = tgetl(vptr + 2 * n);
1193
1194 ret = do_sendrecvmsg(fd, target_msg, flags,
1195 (num == SOCKOP_sendmsg));
1196 }
1197 break;
1198 case SOCKOP_setsockopt:
1199 {
1200 int sockfd = tgetl(vptr);
1201 int level = tgetl(vptr + n);
1202 int optname = tgetl(vptr + 2 * n);
1203 target_ulong optval = tgetl(vptr + 3 * n);
1204 socklen_t optlen = tgetl(vptr + 4 * n);
1205
1206 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1207 }
1208 break;
1209 case SOCKOP_getsockopt:
1210 {
1211 int sockfd = tgetl(vptr);
1212 int level = tgetl(vptr + n);
1213 int optname = tgetl(vptr + 2 * n);
1214 target_ulong optval = tgetl(vptr + 3 * n);
1215 target_ulong poptlen = tgetl(vptr + 4 * n);
1216
1217 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
1218 }
1219 break;
1220 default:
1221 gemu_log("Unsupported socketcall: %d\n", num);
1222 ret = -ENOSYS;
1223 break;
1224 }
1225 return ret;
1226 }
1227
1228 #define N_SHM_REGIONS 32
1229
1230 static struct shm_region {
1231 uint32_t start;
1232 uint32_t size;
1233 } shm_regions[N_SHM_REGIONS];
1234
1235 struct target_ipc_perm
1236 {
1237 target_long __key;
1238 target_ulong uid;
1239 target_ulong gid;
1240 target_ulong cuid;
1241 target_ulong cgid;
1242 unsigned short int mode;
1243 unsigned short int __pad1;
1244 unsigned short int __seq;
1245 unsigned short int __pad2;
1246 target_ulong __unused1;
1247 target_ulong __unused2;
1248 };
1249
1250 struct target_semid_ds
1251 {
1252 struct target_ipc_perm sem_perm;
1253 target_ulong sem_otime;
1254 target_ulong __unused1;
1255 target_ulong sem_ctime;
1256 target_ulong __unused2;
1257 target_ulong sem_nsems;
1258 target_ulong __unused3;
1259 target_ulong __unused4;
1260 };
1261
1262 static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip,
1263 target_ulong target_addr)
1264 {
1265 struct target_ipc_perm *target_ip;
1266 struct target_semid_ds *target_sd;
1267
1268 lock_user_struct(target_sd, target_addr, 1);
1269 target_ip=&(target_sd->sem_perm);
1270 host_ip->__key = tswapl(target_ip->__key);
1271 host_ip->uid = tswapl(target_ip->uid);
1272 host_ip->gid = tswapl(target_ip->gid);
1273 host_ip->cuid = tswapl(target_ip->cuid);
1274 host_ip->cgid = tswapl(target_ip->cgid);
1275 host_ip->mode = tswapl(target_ip->mode);
1276 unlock_user_struct(target_sd, target_addr, 0);
1277 }
1278
1279 static inline void host_to_target_ipc_perm(target_ulong target_addr,
1280 struct ipc_perm *host_ip)
1281 {
1282 struct target_ipc_perm *target_ip;
1283 struct target_semid_ds *target_sd;
1284
1285 lock_user_struct(target_sd, target_addr, 0);
1286 target_ip = &(target_sd->sem_perm);
1287 target_ip->__key = tswapl(host_ip->__key);
1288 target_ip->uid = tswapl(host_ip->uid);
1289 target_ip->gid = tswapl(host_ip->gid);
1290 target_ip->cuid = tswapl(host_ip->cuid);
1291 target_ip->cgid = tswapl(host_ip->cgid);
1292 target_ip->mode = tswapl(host_ip->mode);
1293 unlock_user_struct(target_sd, target_addr, 1);
1294 }
1295
1296 static inline void target_to_host_semid_ds(struct semid_ds *host_sd,
1297 target_ulong target_addr)
1298 {
1299 struct target_semid_ds *target_sd;
1300
1301 lock_user_struct(target_sd, target_addr, 1);
1302 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1303 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1304 host_sd->sem_otime = tswapl(target_sd->sem_otime);
1305 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1306 unlock_user_struct(target_sd, target_addr, 0);
1307 }
1308
1309 static inline void host_to_target_semid_ds(target_ulong target_addr,
1310 struct semid_ds *host_sd)
1311 {
1312 struct target_semid_ds *target_sd;
1313
1314 lock_user_struct(target_sd, target_addr, 0);
1315 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1316 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1317 target_sd->sem_otime = tswapl(host_sd->sem_otime);
1318 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1319 unlock_user_struct(target_sd, target_addr, 1);
1320 }
1321
1322 union semun {
1323 int val;
1324 struct semid_ds *buf;
1325 unsigned short *array;
1326 };
1327
1328 union target_semun {
1329 int val;
1330 target_long buf;
1331 unsigned short int *array;
1332 };
1333
1334 static inline void target_to_host_semun(unsigned long cmd,
1335 union semun *host_su,
1336 target_ulong target_addr,
1337 struct semid_ds *ds)
1338 {
1339 union target_semun *target_su;
1340
1341 switch( cmd ) {
1342 case IPC_STAT:
1343 case IPC_SET:
1344 lock_user_struct(target_su, target_addr, 1);
1345 target_to_host_semid_ds(ds,target_su->buf);
1346 host_su->buf = ds;
1347 unlock_user_struct(target_su, target_addr, 0);
1348 break;
1349 case GETVAL:
1350 case SETVAL:
1351 lock_user_struct(target_su, target_addr, 1);
1352 host_su->val = tswapl(target_su->val);
1353 unlock_user_struct(target_su, target_addr, 0);
1354 break;
1355 case GETALL:
1356 case SETALL:
1357 lock_user_struct(target_su, target_addr, 1);
1358 *host_su->array = tswap16(*target_su->array);
1359 unlock_user_struct(target_su, target_addr, 0);
1360 break;
1361 default:
1362 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1363 }
1364 }
1365
1366 static inline void host_to_target_semun(unsigned long cmd,
1367 target_ulong target_addr,
1368 union semun *host_su,
1369 struct semid_ds *ds)
1370 {
1371 union target_semun *target_su;
1372
1373 switch( cmd ) {
1374 case IPC_STAT:
1375 case IPC_SET:
1376 lock_user_struct(target_su, target_addr, 0);
1377 host_to_target_semid_ds(target_su->buf,ds);
1378 unlock_user_struct(target_su, target_addr, 1);
1379 break;
1380 case GETVAL:
1381 case SETVAL:
1382 lock_user_struct(target_su, target_addr, 0);
1383 target_su->val = tswapl(host_su->val);
1384 unlock_user_struct(target_su, target_addr, 1);
1385 break;
1386 case GETALL:
1387 case SETALL:
1388 lock_user_struct(target_su, target_addr, 0);
1389 *target_su->array = tswap16(*host_su->array);
1390 unlock_user_struct(target_su, target_addr, 1);
1391 break;
1392 default:
1393 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1394 }
1395 }
1396
1397 static inline long do_semctl(long first, long second, long third, long ptr)
1398 {
1399 union semun arg;
1400 struct semid_ds dsarg;
1401 int cmd = third&0xff;
1402 long ret = 0;
1403
1404 switch( cmd ) {
1405 case GETVAL:
1406 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1407 ret = get_errno(semctl(first, second, cmd, arg));
1408 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1409 break;
1410 case SETVAL:
1411 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1412 ret = get_errno(semctl(first, second, cmd, arg));
1413 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1414 break;
1415 case GETALL:
1416 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1417 ret = get_errno(semctl(first, second, cmd, arg));
1418 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1419 break;
1420 case SETALL:
1421 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1422 ret = get_errno(semctl(first, second, cmd, arg));
1423 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1424 break;
1425 case IPC_STAT:
1426 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1427 ret = get_errno(semctl(first, second, cmd, arg));
1428 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1429 break;
1430 case IPC_SET:
1431 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1432 ret = get_errno(semctl(first, second, cmd, arg));
1433 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1434 break;
1435 default:
1436 ret = get_errno(semctl(first, second, cmd, arg));
1437 }
1438
1439 return ret;
1440 }
1441
1442 struct target_msqid_ds
1443 {
1444 struct target_ipc_perm msg_perm;
1445 target_ulong msg_stime;
1446 target_ulong __unused1;
1447 target_ulong msg_rtime;
1448 target_ulong __unused2;
1449 target_ulong msg_ctime;
1450 target_ulong __unused3;
1451 target_ulong __msg_cbytes;
1452 target_ulong msg_qnum;
1453 target_ulong msg_qbytes;
1454 target_ulong msg_lspid;
1455 target_ulong msg_lrpid;
1456 target_ulong __unused4;
1457 target_ulong __unused5;
1458 };
1459
1460 static inline void target_to_host_msqid_ds(struct msqid_ds *host_md,
1461 target_ulong target_addr)
1462 {
1463 struct target_msqid_ds *target_md;
1464
1465 lock_user_struct(target_md, target_addr, 1);
1466 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
1467 host_md->msg_stime = tswapl(target_md->msg_stime);
1468 host_md->msg_rtime = tswapl(target_md->msg_rtime);
1469 host_md->msg_ctime = tswapl(target_md->msg_ctime);
1470 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1471 host_md->msg_qnum = tswapl(target_md->msg_qnum);
1472 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1473 host_md->msg_lspid = tswapl(target_md->msg_lspid);
1474 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1475 unlock_user_struct(target_md, target_addr, 0);
1476 }
1477
1478 static inline void host_to_target_msqid_ds(target_ulong target_addr,
1479 struct msqid_ds *host_md)
1480 {
1481 struct target_msqid_ds *target_md;
1482
1483 lock_user_struct(target_md, target_addr, 0);
1484 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
1485 target_md->msg_stime = tswapl(host_md->msg_stime);
1486 target_md->msg_rtime = tswapl(host_md->msg_rtime);
1487 target_md->msg_ctime = tswapl(host_md->msg_ctime);
1488 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1489 target_md->msg_qnum = tswapl(host_md->msg_qnum);
1490 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1491 target_md->msg_lspid = tswapl(host_md->msg_lspid);
1492 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1493 unlock_user_struct(target_md, target_addr, 1);
1494 }
1495
1496 static inline long do_msgctl(long first, long second, long ptr)
1497 {
1498 struct msqid_ds dsarg;
1499 int cmd = second&0xff;
1500 long ret = 0;
1501 switch( cmd ) {
1502 case IPC_STAT:
1503 case IPC_SET:
1504 target_to_host_msqid_ds(&dsarg,ptr);
1505 ret = get_errno(msgctl(first, cmd, &dsarg));
1506 host_to_target_msqid_ds(ptr,&dsarg);
1507 default:
1508 ret = get_errno(msgctl(first, cmd, &dsarg));
1509 }
1510 return ret;
1511 }
1512
1513 struct target_msgbuf {
1514 target_ulong mtype;
1515 char mtext[1];
1516 };
1517
1518 static inline long do_msgsnd(long msqid, long msgp, long msgsz, long msgflg)
1519 {
1520 struct target_msgbuf *target_mb;
1521 struct msgbuf *host_mb;
1522 long ret = 0;
1523
1524 lock_user_struct(target_mb,msgp,0);
1525 host_mb = malloc(msgsz+sizeof(long));
1526 host_mb->mtype = tswapl(target_mb->mtype);
1527 memcpy(host_mb->mtext,target_mb->mtext,msgsz);
1528 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
1529 free(host_mb);
1530 unlock_user_struct(target_mb, msgp, 0);
1531
1532 return ret;
1533 }
1534
1535 static inline long do_msgrcv(long msqid, long msgp, long msgsz, long msgtype, long msgflg)
1536 {
1537 struct target_msgbuf *target_mb;
1538 struct msgbuf *host_mb;
1539 long ret = 0;
1540
1541 lock_user_struct(target_mb, msgp, 0);
1542 host_mb = malloc(msgsz+sizeof(long));
1543 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
1544 if (ret > 0)
1545 memcpy(target_mb->mtext, host_mb->mtext, ret);
1546 target_mb->mtype = tswapl(host_mb->mtype);
1547 free(host_mb);
1548 unlock_user_struct(target_mb, msgp, 0);
1549
1550 return ret;
1551 }
1552
1553 /* ??? This only works with linear mappings. */
1554 static long do_ipc(long call, long first, long second, long third,
1555 long ptr, long fifth)
1556 {
1557 int version;
1558 long ret = 0;
1559 unsigned long raddr;
1560 struct shmid_ds shm_info;
1561 int i;
1562
1563 version = call >> 16;
1564 call &= 0xffff;
1565
1566 switch (call) {
1567 case IPCOP_semop:
1568 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1569 break;
1570
1571 case IPCOP_semget:
1572 ret = get_errno(semget(first, second, third));
1573 break;
1574
1575 case IPCOP_semctl:
1576 ret = do_semctl(first, second, third, ptr);
1577 break;
1578
1579 case IPCOP_semtimedop:
1580 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1581 ret = -ENOSYS;
1582 break;
1583
1584 case IPCOP_msgget:
1585 ret = get_errno(msgget(first, second));
1586 break;
1587
1588 case IPCOP_msgsnd:
1589 ret = do_msgsnd(first, ptr, second, third);
1590 break;
1591
1592 case IPCOP_msgctl:
1593 ret = do_msgctl(first, second, ptr);
1594 break;
1595
1596 case IPCOP_msgrcv:
1597 {
1598 struct ipc_kludge
1599 {
1600 void *__unbounded msgp;
1601 long int msgtyp;
1602 };
1603
1604 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1605 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1606
1607 ret = do_msgrcv(first, (long)msgp, second, 0, third);
1608
1609 }
1610 break;
1611
1612 case IPCOP_shmat:
1613 /* SHM_* flags are the same on all linux platforms */
1614 ret = get_errno((long) shmat(first, (void *) ptr, second));
1615 if (is_error(ret))
1616 break;
1617 raddr = ret;
1618 /* find out the length of the shared memory segment */
1619
1620 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1621 if (is_error(ret)) {
1622 /* can't get length, bail out */
1623 shmdt((void *) raddr);
1624 break;
1625 }
1626 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1627 PAGE_VALID | PAGE_READ |
1628 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1629 for (i = 0; i < N_SHM_REGIONS; ++i) {
1630 if (shm_regions[i].start == 0) {
1631 shm_regions[i].start = raddr;
1632 shm_regions[i].size = shm_info.shm_segsz;
1633 break;
1634 }
1635 }
1636 if (put_user(raddr, (uint32_t *)third))
1637 return -EFAULT;
1638 ret = 0;
1639 break;
1640 case IPCOP_shmdt:
1641 for (i = 0; i < N_SHM_REGIONS; ++i) {
1642 if (shm_regions[i].start == ptr) {
1643 shm_regions[i].start = 0;
1644 page_set_flags(ptr, shm_regions[i].size, 0);
1645 break;
1646 }
1647 }
1648 ret = get_errno(shmdt((void *) ptr));
1649 break;
1650
1651 case IPCOP_shmget:
1652 /* IPC_* flag values are the same on all linux platforms */
1653 ret = get_errno(shmget(first, second, third));
1654 break;
1655
1656 /* IPC_* and SHM_* command values are the same on all linux platforms */
1657 case IPCOP_shmctl:
1658 switch(second) {
1659 case IPC_RMID:
1660 case SHM_LOCK:
1661 case SHM_UNLOCK:
1662 ret = get_errno(shmctl(first, second, NULL));
1663 break;
1664 default:
1665 goto unimplemented;
1666 }
1667 break;
1668 default:
1669 unimplemented:
1670 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1671 ret = -ENOSYS;
1672 break;
1673 }
1674 return ret;
1675 }
1676
1677 /* kernel structure types definitions */
1678 #define IFNAMSIZ 16
1679
1680 #define STRUCT(name, list...) STRUCT_ ## name,
1681 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
1682 enum {
1683 #include "syscall_types.h"
1684 };
1685 #undef STRUCT
1686 #undef STRUCT_SPECIAL
1687
1688 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1689 #define STRUCT_SPECIAL(name)
1690 #include "syscall_types.h"
1691 #undef STRUCT
1692 #undef STRUCT_SPECIAL
1693
1694 typedef struct IOCTLEntry {
1695 unsigned int target_cmd;
1696 unsigned int host_cmd;
1697 const char *name;
1698 int access;
1699 const argtype arg_type[5];
1700 } IOCTLEntry;
1701
1702 #define IOC_R 0x0001
1703 #define IOC_W 0x0002
1704 #define IOC_RW (IOC_R | IOC_W)
1705
1706 #define MAX_STRUCT_SIZE 4096
1707
1708 IOCTLEntry ioctl_entries[] = {
1709 #define IOCTL(cmd, access, types...) \
1710 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1711 #include "ioctls.h"
1712 { 0, 0, },
1713 };
1714
1715 /* ??? Implement proper locking for ioctls. */
1716 static long do_ioctl(long fd, long cmd, long arg)
1717 {
1718 const IOCTLEntry *ie;
1719 const argtype *arg_type;
1720 long ret;
1721 uint8_t buf_temp[MAX_STRUCT_SIZE];
1722 int target_size;
1723 void *argptr;
1724
1725 ie = ioctl_entries;
1726 for(;;) {
1727 if (ie->target_cmd == 0) {
1728 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1729 return -ENOSYS;
1730 }
1731 if (ie->target_cmd == cmd)
1732 break;
1733 ie++;
1734 }
1735 arg_type = ie->arg_type;
1736 #if defined(DEBUG)
1737 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1738 #endif
1739 switch(arg_type[0]) {
1740 case TYPE_NULL:
1741 /* no argument */
1742 ret = get_errno(ioctl(fd, ie->host_cmd));
1743 break;
1744 case TYPE_PTRVOID:
1745 case TYPE_INT:
1746 /* int argment */
1747 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1748 break;
1749 case TYPE_PTR:
1750 arg_type++;
1751 target_size = thunk_type_size(arg_type, 0);
1752 switch(ie->access) {
1753 case IOC_R:
1754 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1755 if (!is_error(ret)) {
1756 argptr = lock_user(arg, target_size, 0);
1757 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1758 unlock_user(argptr, arg, target_size);
1759 }
1760 break;
1761 case IOC_W:
1762 argptr = lock_user(arg, target_size, 1);
1763 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1764 unlock_user(argptr, arg, 0);
1765 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1766 break;
1767 default:
1768 case IOC_RW:
1769 argptr = lock_user(arg, target_size, 1);
1770 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1771 unlock_user(argptr, arg, 0);
1772 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1773 if (!is_error(ret)) {
1774 argptr = lock_user(arg, target_size, 0);
1775 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1776 unlock_user(argptr, arg, target_size);
1777 }
1778 break;
1779 }
1780 break;
1781 default:
1782 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1783 ret = -ENOSYS;
1784 break;
1785 }
1786 return ret;
1787 }
1788
1789 bitmask_transtbl iflag_tbl[] = {
1790 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1791 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1792 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1793 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1794 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1795 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1796 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1797 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1798 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1799 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1800 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1801 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1802 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1803 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1804 { 0, 0, 0, 0 }
1805 };
1806
1807 bitmask_transtbl oflag_tbl[] = {
1808 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1809 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1810 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1811 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1812 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1813 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1814 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1815 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1816 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1817 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1818 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1819 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1820 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1821 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1822 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1823 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1824 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1825 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1826 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1827 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1828 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1829 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1830 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1831 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1832 { 0, 0, 0, 0 }
1833 };
1834
1835 bitmask_transtbl cflag_tbl[] = {
1836 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1837 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1838 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1839 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1840 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1841 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1842 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1843 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1844 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1845 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1846 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1847 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1848 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1849 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1850 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1851 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1852 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1853 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1854 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1855 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1856 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1857 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1858 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1859 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1860 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1861 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1862 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1863 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1864 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1865 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1866 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1867 { 0, 0, 0, 0 }
1868 };
1869
1870 bitmask_transtbl lflag_tbl[] = {
1871 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1872 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1873 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1874 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1875 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1876 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1877 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1878 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1879 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1880 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1881 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1882 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1883 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1884 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1885 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1886 { 0, 0, 0, 0 }
1887 };
1888
1889 static void target_to_host_termios (void *dst, const void *src)
1890 {
1891 struct host_termios *host = dst;
1892 const struct target_termios *target = src;
1893
1894 host->c_iflag =
1895 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1896 host->c_oflag =
1897 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1898 host->c_cflag =
1899 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1900 host->c_lflag =
1901 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1902 host->c_line = target->c_line;
1903
1904 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1905 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1906 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1907 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1908 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1909 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1910 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1911 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1912 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1913 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1914 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1915 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1916 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1917 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1918 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1919 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1920 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1921 }
1922
1923 static void host_to_target_termios (void *dst, const void *src)
1924 {
1925 struct target_termios *target = dst;
1926 const struct host_termios *host = src;
1927
1928 target->c_iflag =
1929 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1930 target->c_oflag =
1931 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1932 target->c_cflag =
1933 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1934 target->c_lflag =
1935 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1936 target->c_line = host->c_line;
1937
1938 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1939 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1940 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1941 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1942 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1943 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1944 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1945 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1946 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1947 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1948 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1949 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1950 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1951 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1952 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1953 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1954 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1955 }
1956
1957 StructEntry struct_termios_def = {
1958 .convert = { host_to_target_termios, target_to_host_termios },
1959 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1960 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1961 };
1962
1963 static bitmask_transtbl mmap_flags_tbl[] = {
1964 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1965 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1966 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1967 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1968 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1969 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1970 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1971 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1972 { 0, 0, 0, 0 }
1973 };
1974
1975 static bitmask_transtbl fcntl_flags_tbl[] = {
1976 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1977 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1978 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1979 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1980 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1981 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1982 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1983 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1984 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1985 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1986 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1987 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1988 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1989 #if defined(O_DIRECT)
1990 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
1991 #endif
1992 { 0, 0, 0, 0 }
1993 };
1994
1995 #if defined(TARGET_I386)
1996
1997 /* NOTE: there is really one LDT for all the threads */
1998 uint8_t *ldt_table;
1999
2000 static int read_ldt(target_ulong ptr, unsigned long bytecount)
2001 {
2002 int size;
2003 void *p;
2004
2005 if (!ldt_table)
2006 return 0;
2007 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2008 if (size > bytecount)
2009 size = bytecount;
2010 p = lock_user(ptr, size, 0);
2011 /* ??? Shoudl this by byteswapped? */
2012 memcpy(p, ldt_table, size);
2013 unlock_user(p, ptr, size);
2014 return size;
2015 }
2016
2017 /* XXX: add locking support */
2018 static int write_ldt(CPUX86State *env,
2019 target_ulong ptr, unsigned long bytecount, int oldmode)
2020 {
2021 struct target_modify_ldt_ldt_s ldt_info;
2022 struct target_modify_ldt_ldt_s *target_ldt_info;
2023 int seg_32bit, contents, read_exec_only, limit_in_pages;
2024 int seg_not_present, useable;
2025 uint32_t *lp, entry_1, entry_2;
2026
2027 if (bytecount != sizeof(ldt_info))
2028 return -EINVAL;
2029 lock_user_struct(target_ldt_info, ptr, 1);
2030 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2031 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2032 ldt_info.limit = tswap32(target_ldt_info->limit);
2033 ldt_info.flags = tswap32(target_ldt_info->flags);
2034 unlock_user_struct(target_ldt_info, ptr, 0);
2035
2036 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2037 return -EINVAL;
2038 seg_32bit = ldt_info.flags & 1;
2039 contents = (ldt_info.flags >> 1) & 3;
2040 read_exec_only = (ldt_info.flags >> 3) & 1;
2041 limit_in_pages = (ldt_info.flags >> 4) & 1;
2042 seg_not_present = (ldt_info.flags >> 5) & 1;
2043 useable = (ldt_info.flags >> 6) & 1;
2044
2045 if (contents == 3) {
2046 if (oldmode)
2047 return -EINVAL;
2048 if (seg_not_present == 0)
2049 return -EINVAL;
2050 }
2051 /* allocate the LDT */
2052 if (!ldt_table) {
2053 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2054 if (!ldt_table)
2055 return -ENOMEM;
2056 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2057 env->ldt.base = h2g(ldt_table);
2058 env->ldt.limit = 0xffff;
2059 }
2060
2061 /* NOTE: same code as Linux kernel */
2062 /* Allow LDTs to be cleared by the user. */
2063 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2064 if (oldmode ||
2065 (contents == 0 &&
2066 read_exec_only == 1 &&
2067 seg_32bit == 0 &&
2068 limit_in_pages == 0 &&
2069 seg_not_present == 1 &&
2070 useable == 0 )) {
2071 entry_1 = 0;
2072 entry_2 = 0;
2073 goto install;
2074 }
2075 }
2076
2077 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2078 (ldt_info.limit & 0x0ffff);
2079 entry_2 = (ldt_info.base_addr & 0xff000000) |
2080 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2081 (ldt_info.limit & 0xf0000) |
2082 ((read_exec_only ^ 1) << 9) |
2083 (contents << 10) |
2084 ((seg_not_present ^ 1) << 15) |
2085 (seg_32bit << 22) |
2086 (limit_in_pages << 23) |
2087 0x7000;
2088 if (!oldmode)
2089 entry_2 |= (useable << 20);
2090
2091 /* Install the new entry ... */
2092 install:
2093 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2094 lp[0] = tswap32(entry_1);
2095 lp[1] = tswap32(entry_2);
2096 return 0;
2097 }
2098
2099 /* specific and weird i386 syscalls */
2100 int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
2101 {
2102 int ret = -ENOSYS;
2103
2104 switch (func) {
2105 case 0:
2106 ret = read_ldt(ptr, bytecount);
2107 break;
2108 case 1:
2109 ret = write_ldt(env, ptr, bytecount, 1);
2110 break;
2111 case 0x11:
2112 ret = write_ldt(env, ptr, bytecount, 0);
2113 break;
2114 }
2115 return ret;
2116 }
2117
2118 #endif /* defined(TARGET_I386) */
2119
2120 /* this stack is the equivalent of the kernel stack associated with a
2121 thread/process */
2122 #define NEW_STACK_SIZE 8192
2123
2124 static int clone_func(void *arg)
2125 {
2126 CPUState *env = arg;
2127 cpu_loop(env);
2128 /* never exits */
2129 return 0;
2130 }
2131
2132 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
2133 {
2134 int ret;
2135 TaskState *ts;
2136 uint8_t *new_stack;
2137 CPUState *new_env;
2138
2139 if (flags & CLONE_VM) {
2140 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2141 memset(ts, 0, sizeof(TaskState));
2142 new_stack = ts->stack;
2143 ts->used = 1;
2144 /* add in task state list */
2145 ts->next = first_task_state;
2146 first_task_state = ts;
2147 /* we create a new CPU instance. */
2148 new_env = cpu_copy(env);
2149 #if defined(TARGET_I386)
2150 if (!newsp)
2151 newsp = env->regs[R_ESP];
2152 new_env->regs[R_ESP] = newsp;
2153 new_env->regs[R_EAX] = 0;
2154 #elif defined(TARGET_ARM)
2155 if (!newsp)
2156 newsp = env->regs[13];
2157 new_env->regs[13] = newsp;
2158 new_env->regs[0] = 0;
2159 #elif defined(TARGET_SPARC)
2160 if (!newsp)
2161 newsp = env->regwptr[22];
2162 new_env->regwptr[22] = newsp;
2163 new_env->regwptr[0] = 0;
2164 /* XXXXX */
2165 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
2166 #elif defined(TARGET_M68K)
2167 if (!newsp)
2168 newsp = env->aregs[7];
2169 new_env->aregs[7] = newsp;
2170 new_env->dregs[0] = 0;
2171 /* ??? is this sufficient? */
2172 #elif defined(TARGET_MIPS)
2173 if (!newsp)
2174 newsp = env->gpr[29];
2175 new_env->gpr[29] = newsp;
2176 #elif defined(TARGET_PPC)
2177 if (!newsp)
2178 newsp = env->gpr[1];
2179 new_env->gpr[1] = newsp;
2180 {
2181 int i;
2182 for (i = 7; i < 32; i++)
2183 new_env->gpr[i] = 0;
2184 }
2185 #elif defined(TARGET_SH4)
2186 if (!newsp)
2187 newsp = env->gregs[15];
2188 new_env->gregs[15] = newsp;
2189 /* XXXXX */
2190 #elif defined(TARGET_ALPHA)
2191 if (!newsp)
2192 newsp = env->ir[30];
2193 new_env->ir[30] = newsp;
2194 /* ? */
2195 {
2196 int i;
2197 for (i = 7; i < 30; i++)
2198 new_env->ir[i] = 0;
2199 }
2200 #else
2201 #error unsupported target CPU
2202 #endif
2203 new_env->opaque = ts;
2204 #ifdef __ia64__
2205 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2206 #else
2207 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2208 #endif
2209 } else {
2210 /* if no CLONE_VM, we consider it is a fork */
2211 if ((flags & ~CSIGNAL) != 0)
2212 return -EINVAL;
2213 ret = fork();
2214 }
2215 return ret;
2216 }
2217
2218 static long do_fcntl(int fd, int cmd, target_ulong arg)
2219 {
2220 struct flock fl;
2221 struct target_flock *target_fl;
2222 struct flock64 fl64;
2223 struct target_flock64 *target_fl64;
2224 long ret;
2225
2226 switch(cmd) {
2227 case TARGET_F_GETLK:
2228 lock_user_struct(target_fl, arg, 1);
2229 fl.l_type = tswap16(target_fl->l_type);
2230 fl.l_whence = tswap16(target_fl->l_whence);
2231 fl.l_start = tswapl(target_fl->l_start);
2232 fl.l_len = tswapl(target_fl->l_len);
2233 fl.l_pid = tswapl(target_fl->l_pid);
2234 unlock_user_struct(target_fl, arg, 0);
2235 ret = fcntl(fd, cmd, &fl);
2236 if (ret == 0) {
2237 lock_user_struct(target_fl, arg, 0);
2238 target_fl->l_type = tswap16(fl.l_type);
2239 target_fl->l_whence = tswap16(fl.l_whence);
2240 target_fl->l_start = tswapl(fl.l_start);
2241 target_fl->l_len = tswapl(fl.l_len);
2242 target_fl->l_pid = tswapl(fl.l_pid);
2243 unlock_user_struct(target_fl, arg, 1);
2244 }
2245 break;
2246
2247 case TARGET_F_SETLK:
2248 case TARGET_F_SETLKW:
2249 lock_user_struct(target_fl, arg, 1);
2250 fl.l_type = tswap16(target_fl->l_type);
2251 fl.l_whence = tswap16(target_fl->l_whence);
2252 fl.l_start = tswapl(target_fl->l_start);
2253 fl.l_len = tswapl(target_fl->l_len);
2254 fl.l_pid = tswapl(target_fl->l_pid);
2255 unlock_user_struct(target_fl, arg, 0);
2256 ret = fcntl(fd, cmd, &fl);
2257 break;
2258
2259 case TARGET_F_GETLK64:
2260 lock_user_struct(target_fl64, arg, 1);
2261 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2262 fl64.l_whence = tswap16(target_fl64->l_whence);
2263 fl64.l_start = tswapl(target_fl64->l_start);
2264 fl64.l_len = tswapl(target_fl64->l_len);
2265 fl64.l_pid = tswap16(target_fl64->l_pid);
2266 unlock_user_struct(target_fl64, arg, 0);
2267 ret = fcntl(fd, cmd >> 1, &fl64);
2268 if (ret == 0) {
2269 lock_user_struct(target_fl64, arg, 0);
2270 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2271 target_fl64->l_whence = tswap16(fl64.l_whence);
2272 target_fl64->l_start = tswapl(fl64.l_start);
2273 target_fl64->l_len = tswapl(fl64.l_len);
2274 target_fl64->l_pid = tswapl(fl64.l_pid);
2275 unlock_user_struct(target_fl64, arg, 1);
2276 }
2277 break;
2278 case TARGET_F_SETLK64:
2279 case TARGET_F_SETLKW64:
2280 lock_user_struct(target_fl64, arg, 1);
2281 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2282 fl64.l_whence = tswap16(target_fl64->l_whence);
2283 fl64.l_start = tswapl(target_fl64->l_start);
2284 fl64.l_len = tswapl(target_fl64->l_len);
2285 fl64.l_pid = tswap16(target_fl64->l_pid);
2286 unlock_user_struct(target_fl64, arg, 0);
2287 ret = fcntl(fd, cmd >> 1, &fl64);
2288 break;
2289
2290 case F_GETFL:
2291 ret = fcntl(fd, cmd, arg);
2292 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2293 break;
2294
2295 case F_SETFL:
2296 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
2297 break;
2298
2299 default:
2300 ret = fcntl(fd, cmd, arg);
2301 break;
2302 }
2303 return ret;
2304 }
2305
2306 #ifdef USE_UID16
2307
2308 static inline int high2lowuid(int uid)
2309 {
2310 if (uid > 65535)
2311 return 65534;
2312 else
2313 return uid;
2314 }
2315
2316 static inline int high2lowgid(int gid)
2317 {
2318 if (gid > 65535)
2319 return 65534;
2320 else
2321 return gid;
2322 }
2323
2324 static inline int low2highuid(int uid)
2325 {
2326 if ((int16_t)uid == -1)
2327 return -1;
2328 else
2329 return uid;
2330 }
2331
2332 static inline int low2highgid(int gid)
2333 {
2334 if ((int16_t)gid == -1)
2335 return -1;
2336 else
2337 return gid;
2338 }
2339
2340 #endif /* USE_UID16 */
2341
2342 void syscall_init(void)
2343 {
2344 IOCTLEntry *ie;
2345 const argtype *arg_type;
2346 int size;
2347
2348 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
2349 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
2350 #include "syscall_types.h"
2351 #undef STRUCT
2352 #undef STRUCT_SPECIAL
2353
2354 /* we patch the ioctl size if necessary. We rely on the fact that
2355 no ioctl has all the bits at '1' in the size field */
2356 ie = ioctl_entries;
2357 while (ie->target_cmd != 0) {
2358 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2359 TARGET_IOC_SIZEMASK) {
2360 arg_type = ie->arg_type;
2361 if (arg_type[0] != TYPE_PTR) {
2362 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2363 ie->target_cmd);
2364 exit(1);
2365 }
2366 arg_type++;
2367 size = thunk_type_size(arg_type, 0);
2368 ie->target_cmd = (ie->target_cmd &
2369 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2370 (size << TARGET_IOC_SIZESHIFT);
2371 }
2372 /* automatic consistency check if same arch */
2373 #if defined(__i386__) && defined(TARGET_I386)
2374 if (ie->target_cmd != ie->host_cmd) {
2375 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
2376 ie->target_cmd, ie->host_cmd);
2377 }
2378 #endif
2379 ie++;
2380 }
2381 }
2382
2383 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2384 {
2385 #ifdef TARGET_WORDS_BIG_ENDIAN
2386 return ((uint64_t)word0 << 32) | word1;
2387 #else
2388 return ((uint64_t)word1 << 32) | word0;
2389 #endif
2390 }
2391
2392 #ifdef TARGET_NR_truncate64
2393 static inline long target_truncate64(void *cpu_env, const char *arg1,
2394 long arg2, long arg3, long arg4)
2395 {
2396 #ifdef TARGET_ARM
2397 if (((CPUARMState *)cpu_env)->eabi)
2398 {
2399 arg2 = arg3;
2400 arg3 = arg4;
2401 }
2402 #endif
2403 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
2404 }
2405 #endif
2406
2407 #ifdef TARGET_NR_ftruncate64
2408 static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
2409 long arg3, long arg4)
2410 {
2411 #ifdef TARGET_ARM
2412 if (((CPUARMState *)cpu_env)->eabi)
2413 {
2414 arg2 = arg3;
2415 arg3 = arg4;
2416 }
2417 #endif
2418 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
2419 }
2420 #endif
2421
2422 static inline void target_to_host_timespec(struct timespec *host_ts,
2423 target_ulong target_addr)
2424 {
2425 struct target_timespec *target_ts;
2426
2427 lock_user_struct(target_ts, target_addr, 1);
2428 host_ts->tv_sec = tswapl(target_ts->tv_sec);
2429 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2430 unlock_user_struct(target_ts, target_addr, 0);
2431 }
2432
2433 static inline void host_to_target_timespec(target_ulong target_addr,
2434 struct timespec *host_ts)
2435 {
2436 struct target_timespec *target_ts;
2437
2438 lock_user_struct(target_ts, target_addr, 0);
2439 target_ts->tv_sec = tswapl(host_ts->tv_sec);
2440 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2441 unlock_user_struct(target_ts, target_addr, 1);
2442 }
2443
2444 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
2445 long arg4, long arg5, long arg6)
2446 {
2447 long ret;
2448 struct stat st;
2449 struct statfs stfs;
2450 void *p;
2451
2452 #ifdef DEBUG
2453 gemu_log("syscall %d", num);
2454 #endif
2455 switch(num) {
2456 case TARGET_NR_exit:
2457 #ifdef HAVE_GPROF
2458 _mcleanup();
2459 #endif
2460 gdb_exit(cpu_env, arg1);
2461 /* XXX: should free thread stack and CPU env */
2462 _exit(arg1);
2463 ret = 0; /* avoid warning */
2464 break;
2465 case TARGET_NR_read:
2466 page_unprotect_range(arg2, arg3);
2467 p = lock_user(arg2, arg3, 0);
2468 ret = get_errno(read(arg1, p, arg3));
2469 unlock_user(p, arg2, ret);
2470 break;
2471 case TARGET_NR_write:
2472 p = lock_user(arg2, arg3, 1);
2473 ret = get_errno(write(arg1, p, arg3));
2474 unlock_user(p, arg2, 0);
2475 break;
2476 case TARGET_NR_open:
2477 p = lock_user_string(arg1);
2478 ret = get_errno(open(path(p),
2479 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2480 arg3));
2481 unlock_user(p, arg1, 0);
2482 break;
2483 case TARGET_NR_close:
2484 ret = get_errno(close(arg1));
2485 break;
2486 case TARGET_NR_brk:
2487 ret = do_brk(arg1);
2488 break;
2489 case TARGET_NR_fork:
2490 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
2491 break;
2492 #ifdef TARGET_NR_waitpid
2493 case TARGET_NR_waitpid:
2494 {
2495 int status;
2496 ret = get_errno(waitpid(arg1, &status, arg3));
2497 if (!is_error(ret) && arg2)
2498 tput32(arg2, status);
2499 }
2500 break;
2501 #endif
2502 #ifdef TARGET_NR_creat /* not on alpha */
2503 case TARGET_NR_creat:
2504 p = lock_user_string(arg1);
2505 ret = get_errno(creat(p, arg2));
2506 unlock_user(p, arg1, 0);
2507 break;
2508 #endif
2509 case TARGET_NR_link:
2510 {
2511 void * p2;
2512 p = lock_user_string(arg1);
2513 p2 = lock_user_string(arg2);
2514 ret = get_errno(link(p, p2));
2515 unlock_user(p2, arg2, 0);
2516 unlock_user(p, arg1, 0);
2517 }
2518 break;
2519 case TARGET_NR_unlink:
2520 p = lock_user_string(arg1);
2521 ret = get_errno(unlink(p));
2522 unlock_user(p, arg1, 0);
2523 break;
2524 case TARGET_NR_execve:
2525 {
2526 char **argp, **envp;
2527 int argc, envc;
2528 target_ulong gp;
2529 target_ulong guest_argp;
2530 target_ulong guest_envp;
2531 target_ulong addr;
2532 char **q;
2533
2534 argc = 0;
2535 guest_argp = arg2;
2536 for (gp = guest_argp; tgetl(gp); gp++)
2537 argc++;
2538 envc = 0;
2539 guest_envp = arg3;
2540 for (gp = guest_envp; tgetl(gp); gp++)
2541 envc++;
2542
2543 argp = alloca((argc + 1) * sizeof(void *));
2544 envp = alloca((envc + 1) * sizeof(void *));
2545
2546 for (gp = guest_argp, q = argp; ;
2547 gp += sizeof(target_ulong), q++) {
2548 addr = tgetl(gp);
2549 if (!addr)
2550 break;
2551 *q = lock_user_string(addr);
2552 }
2553 *q = NULL;
2554
2555 for (gp = guest_envp, q = envp; ;
2556 gp += sizeof(target_ulong), q++) {
2557 addr = tgetl(gp);
2558 if (!addr)
2559 break;
2560 *q = lock_user_string(addr);
2561 }
2562 *q = NULL;
2563
2564 p = lock_user_string(arg1);
2565 ret = get_errno(execve(p, argp, envp));
2566 unlock_user(p, arg1, 0);
2567
2568 for (gp = guest_argp, q = argp; *q;
2569 gp += sizeof(target_ulong), q++) {
2570 addr = tgetl(gp);
2571 unlock_user(*q, addr, 0);
2572 }
2573 for (gp = guest_envp, q = envp; *q;
2574 gp += sizeof(target_ulong), q++) {
2575 addr = tgetl(gp);
2576 unlock_user(*q, addr, 0);
2577 }
2578 }
2579 break;
2580 case TARGET_NR_chdir:
2581 p = lock_user_string(arg1);
2582 ret = get_errno(chdir(p));
2583 unlock_user(p, arg1, 0);
2584 break;
2585 #ifdef TARGET_NR_time
2586 case TARGET_NR_time:
2587 {
2588 time_t host_time;
2589 ret = get_errno(time(&host_time));
2590 if (!is_error(ret) && arg1)
2591 tputl(arg1, host_time);
2592 }
2593 break;
2594 #endif
2595 case TARGET_NR_mknod:
2596 p = lock_user_string(arg1);
2597 ret = get_errno(mknod(p, arg2, arg3));
2598 unlock_user(p, arg1, 0);
2599 break;
2600 case TARGET_NR_chmod:
2601 p = lock_user_string(arg1);
2602 ret = get_errno(chmod(p, arg2));
2603 unlock_user(p, arg1, 0);
2604 break;
2605 #ifdef TARGET_NR_break
2606 case TARGET_NR_break:
2607 goto unimplemented;
2608 #endif
2609 #ifdef TARGET_NR_oldstat
2610 case TARGET_NR_oldstat:
2611 goto unimplemented;
2612 #endif
2613 case TARGET_NR_lseek:
2614 ret = get_errno(lseek(arg1, arg2, arg3));
2615 break;
2616 #ifdef TARGET_NR_getxpid
2617 case TARGET_NR_getxpid:
2618 #else
2619 case TARGET_NR_getpid:
2620 #endif
2621 ret = get_errno(getpid());
2622 break;
2623 case TARGET_NR_mount:
2624 {
2625 /* need to look at the data field */
2626 void *p2, *p3;
2627 p = lock_user_string(arg1);
2628 p2 = lock_user_string(arg2);
2629 p3 = lock_user_string(arg3);
2630 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2631 unlock_user(p, arg1, 0);
2632 unlock_user(p2, arg2, 0);
2633 unlock_user(p3, arg3, 0);
2634 break;
2635 }
2636 #ifdef TARGET_NR_umount
2637 case TARGET_NR_umount:
2638 p = lock_user_string(arg1);
2639 ret = get_errno(umount(p));
2640 unlock_user(p, arg1, 0);
2641 break;
2642 #endif
2643 #ifdef TARGET_NR_stime /* not on alpha */
2644 case TARGET_NR_stime:
2645 {
2646 time_t host_time;
2647 host_time = tgetl(arg1);
2648 ret = get_errno(stime(&host_time));
2649 }
2650 break;
2651 #endif
2652 case TARGET_NR_ptrace:
2653 goto unimplemented;
2654 #ifdef TARGET_NR_alarm /* not on alpha */
2655 case TARGET_NR_alarm:
2656 ret = alarm(arg1);
2657 break;
2658 #endif
2659 #ifdef TARGET_NR_oldfstat
2660 case TARGET_NR_oldfstat:
2661 goto unimplemented;
2662 #endif
2663 #ifdef TARGET_NR_pause /* not on alpha */
2664 case TARGET_NR_pause:
2665 ret = get_errno(pause());
2666 break;
2667 #endif
2668 #ifdef TARGET_NR_utime
2669 case TARGET_NR_utime:
2670 {
2671 struct utimbuf tbuf, *host_tbuf;
2672 struct target_utimbuf *target_tbuf;
2673 if (arg2) {
2674 lock_user_struct(target_tbuf, arg2, 1);
2675 tbuf.actime = tswapl(target_tbuf->actime);
2676 tbuf.modtime = tswapl(target_tbuf->modtime);
2677 unlock_user_struct(target_tbuf, arg2, 0);
2678 host_tbuf = &tbuf;
2679 } else {
2680 host_tbuf = NULL;
2681 }
2682 p = lock_user_string(arg1);
2683 ret = get_errno(utime(p, host_tbuf));
2684 unlock_user(p, arg1, 0);
2685 }
2686 break;
2687 #endif
2688 case TARGET_NR_utimes:
2689 {
2690 struct timeval *tvp, tv[2];
2691 if (arg2) {
2692 target_to_host_timeval(&tv[0], arg2);
2693 target_to_host_timeval(&tv[1],
2694 arg2 + sizeof (struct target_timeval));
2695 tvp = tv;
2696 } else {
2697 tvp = NULL;
2698 }
2699 p = lock_user_string(arg1);
2700 ret = get_errno(utimes(p, tvp));
2701 unlock_user(p, arg1, 0);
2702 }
2703 break;
2704 #ifdef TARGET_NR_stty
2705 case TARGET_NR_stty:
2706 goto unimplemented;
2707 #endif
2708 #ifdef TARGET_NR_gtty
2709 case TARGET_NR_gtty:
2710 goto unimplemented;
2711 #endif
2712 case TARGET_NR_access:
2713 p = lock_user_string(arg1);
2714 ret = get_errno(access(p, arg2));
2715 unlock_user(p, arg1, 0);
2716 break;
2717 #ifdef TARGET_NR_nice /* not on alpha */
2718 case TARGET_NR_nice:
2719 ret = get_errno(nice(arg1));
2720 break;
2721 #endif
2722 #ifdef TARGET_NR_ftime
2723 case TARGET_NR_ftime:
2724 goto unimplemented;
2725 #endif
2726 case TARGET_NR_sync:
2727 sync();
2728 ret = 0;
2729 break;
2730 case TARGET_NR_kill:
2731 ret = get_errno(kill(arg1, arg2));
2732 break;
2733 case TARGET_NR_rename:
2734 {
2735 void *p2;
2736 p = lock_user_string(arg1);
2737 p2 = lock_user_string(arg2);
2738 ret = get_errno(rename(p, p2));
2739 unlock_user(p2, arg2, 0);
2740 unlock_user(p, arg1, 0);
2741 }
2742 break;
2743 case TARGET_NR_mkdir:
2744 p = lock_user_string(arg1);
2745 ret = get_errno(mkdir(p, arg2));
2746 unlock_user(p, arg1, 0);
2747 break;
2748 case TARGET_NR_rmdir:
2749 p = lock_user_string(arg1);
2750 ret = get_errno(rmdir(p));
2751 unlock_user(p, arg1, 0);
2752 break;
2753 case TARGET_NR_dup:
2754 ret = get_errno(dup(arg1));
2755 break;
2756 case TARGET_NR_pipe:
2757 {
2758 int host_pipe[2];
2759 ret = get_errno(pipe(host_pipe));
2760 if (!is_error(ret)) {
2761 #if defined(TARGET_MIPS)
2762 ((CPUMIPSState*)cpu_env)->gpr[3] = host_pipe[1];
2763 ret = host_pipe[0];
2764 #else
2765 tput32(arg1, host_pipe[0]);
2766 tput32(arg1 + 4, host_pipe[1]);
2767 #endif
2768 }
2769 }
2770 break;
2771 case TARGET_NR_times:
2772 {
2773 struct target_tms *tmsp;
2774 struct tms tms;
2775 ret = get_errno(times(&tms));
2776 if (arg1) {
2777 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
2778 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2779 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2780 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2781 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
2782 }
2783 if (!is_error(ret))
2784 ret = host_to_target_clock_t(ret);
2785 }
2786 break;
2787 #ifdef TARGET_NR_prof
2788 case TARGET_NR_prof:
2789 goto unimplemented;
2790 #endif
2791 #ifdef TARGET_NR_signal
2792 case TARGET_NR_signal:
2793 goto unimplemented;
2794 #endif
2795 case TARGET_NR_acct:
2796 p = lock_user_string(arg1);
2797 ret = get_errno(acct(path(p)));
2798 unlock_user(p, arg1, 0);
2799 break;
2800 #ifdef TARGET_NR_umount2 /* not on alpha */
2801 case TARGET_NR_umount2:
2802 p = lock_user_string(arg1);
2803 ret = get_errno(umount2(p, arg2));
2804 unlock_user(p, arg1, 0);
2805 break;
2806 #endif
2807 #ifdef TARGET_NR_lock
2808 case TARGET_NR_lock:
2809 goto unimplemented;
2810 #endif
2811 case TARGET_NR_ioctl:
2812 ret = do_ioctl(arg1, arg2, arg3);
2813 break;
2814 case TARGET_NR_fcntl:
2815 ret = get_errno(do_fcntl(arg1, arg2, arg3));
2816 break;
2817 #ifdef TARGET_NR_mpx
2818 case TARGET_NR_mpx:
2819 goto unimplemented;
2820 #endif
2821 case TARGET_NR_setpgid:
2822 ret = get_errno(setpgid(arg1, arg2));
2823 break;
2824 #ifdef TARGET_NR_ulimit
2825 case TARGET_NR_ulimit:
2826 goto unimplemented;
2827 #endif
2828 #ifdef TARGET_NR_oldolduname
2829 case TARGET_NR_oldolduname:
2830 goto unimplemented;
2831 #endif
2832 case TARGET_NR_umask:
2833 ret = get_errno(umask(arg1));
2834 break;
2835 case TARGET_NR_chroot:
2836 p = lock_user_string(arg1);
2837 ret = get_errno(chroot(p));
2838 unlock_user(p, arg1, 0);
2839 break;
2840 case TARGET_NR_ustat:
2841 goto unimplemented;
2842 case TARGET_NR_dup2:
2843 ret = get_errno(dup2(arg1, arg2));
2844 break;
2845 #ifdef TARGET_NR_getppid /* not on alpha */
2846 case TARGET_NR_getppid:
2847 ret = get_errno(getppid());
2848 break;
2849 #endif
2850 case TARGET_NR_getpgrp:
2851 ret = get_errno(getpgrp());
2852 break;
2853 case TARGET_NR_setsid:
2854 ret = get_errno(setsid());
2855 break;
2856 #ifdef TARGET_NR_sigaction
2857 case TARGET_NR_sigaction:
2858 {
2859 #if !defined(TARGET_MIPS)
2860 struct target_old_sigaction *old_act;
2861 struct target_sigaction act, oact, *pact;
2862 if (arg2) {
2863 lock_user_struct(old_act, arg2, 1);
2864 act._sa_handler = old_act->_sa_handler;
2865 target_siginitset(&act.sa_mask, old_act->sa_mask);
2866 act.sa_flags = old_act->sa_flags;
2867 act.sa_restorer = old_act->sa_restorer;
2868 unlock_user_struct(old_act, arg2, 0);
2869 pact = &act;
2870 } else {
2871 pact = NULL;
2872 }
2873 ret = get_errno(do_sigaction(arg1, pact, &oact));
2874 if (!is_error(ret) && arg3) {
2875 lock_user_struct(old_act, arg3, 0);
2876 old_act->_sa_handler = oact._sa_handler;
2877 old_act->sa_mask = oact.sa_mask.sig[0];
2878 old_act->sa_flags = oact.sa_flags;
2879 old_act->sa_restorer = oact.sa_restorer;
2880 unlock_user_struct(old_act, arg3, 1);
2881 }
2882 #else
2883 struct target_sigaction act, oact, *pact, *old_act;
2884
2885 if (arg2) {
2886 lock_user_struct(old_act, arg2, 1);
2887 act._sa_handler = old_act->_sa_handler;
2888 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2889 act.sa_flags = old_act->sa_flags;
2890 unlock_user_struct(old_act, arg2, 0);
2891 pact = &act;
2892 } else {
2893 pact = NULL;
2894 }
2895
2896 ret = get_errno(do_sigaction(arg1, pact, &oact));
2897
2898 if (!is_error(ret) && arg3) {
2899 lock_user_struct(old_act, arg3, 0);
2900 old_act->_sa_handler = oact._sa_handler;
2901 old_act->sa_flags = oact.sa_flags;
2902 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2903 old_act->sa_mask.sig[1] = 0;
2904 old_act->sa_mask.sig[2] = 0;
2905 old_act->sa_mask.sig[3] = 0;
2906 unlock_user_struct(old_act, arg3, 1);
2907 }
2908 #endif
2909 }
2910 break;
2911 #endif
2912 case TARGET_NR_rt_sigaction:
2913 {
2914 struct target_sigaction *act;
2915 struct target_sigaction *oact;
2916
2917 if (arg2)
2918 lock_user_struct(act, arg2, 1);
2919 else
2920 act = NULL;
2921 if (arg3)
2922 lock_user_struct(oact, arg3, 0);
2923 else
2924 oact = NULL;
2925 ret = get_errno(do_sigaction(arg1, act, oact));
2926 if (arg2)
2927 unlock_user_struct(act, arg2, 0);
2928 if (arg3)
2929 unlock_user_struct(oact, arg3, 1);
2930 }
2931 break;
2932 #ifdef TARGET_NR_sgetmask /* not on alpha */
2933 case TARGET_NR_sgetmask:
2934 {
2935 sigset_t cur_set;
2936 target_ulong target_set;
2937 sigprocmask(0, NULL, &cur_set);
2938 host_to_target_old_sigset(&target_set, &cur_set);
2939 ret = target_set;
2940 }
2941 break;
2942 #endif
2943 #ifdef TARGET_NR_ssetmask /* not on alpha */
2944 case TARGET_NR_ssetmask:
2945 {
2946 sigset_t set, oset, cur_set;
2947 target_ulong target_set = arg1;
2948 sigprocmask(0, NULL, &cur_set);
2949 target_to_host_old_sigset(&set, &target_set);
2950 sigorset(&set, &set, &cur_set);
2951 sigprocmask(SIG_SETMASK, &set, &oset);
2952 host_to_target_old_sigset(&target_set, &oset);
2953 ret = target_set;
2954 }
2955 break;
2956 #endif
2957 #ifdef TARGET_NR_sigprocmask
2958 case TARGET_NR_sigprocmask:
2959 {
2960 int how = arg1;
2961 sigset_t set, oldset, *set_ptr;
2962
2963 if (arg2) {
2964 switch(how) {
2965 case TARGET_SIG_BLOCK:
2966 how = SIG_BLOCK;
2967 break;
2968 case TARGET_SIG_UNBLOCK:
2969 how = SIG_UNBLOCK;
2970 break;
2971 case TARGET_SIG_SETMASK:
2972 how = SIG_SETMASK;
2973 break;
2974 default:
2975 ret = -EINVAL;
2976 goto fail;
2977 }
2978 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2979 target_to_host_old_sigset(&set, p);
2980 unlock_user(p, arg2, 0);
2981 set_ptr = &set;
2982 } else {
2983 how = 0;
2984 set_ptr = NULL;
2985 }
2986 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2987 if (!is_error(ret) && arg3) {
2988 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2989 host_to_target_old_sigset(p, &oldset);
2990 unlock_user(p, arg3, sizeof(target_sigset_t));
2991 }
2992 }
2993 break;
2994 #endif
2995 case TARGET_NR_rt_sigprocmask:
2996 {
2997 int how = arg1;
2998 sigset_t set, oldset, *set_ptr;
2999
3000 if (arg2) {
3001 switch(how) {
3002 case TARGET_SIG_BLOCK:
3003 how = SIG_BLOCK;
3004 break;
3005 case TARGET_SIG_UNBLOCK:
3006 how = SIG_UNBLOCK;
3007 break;
3008 case TARGET_SIG_SETMASK:
3009 how = SIG_SETMASK;
3010 break;
3011 default:
3012 ret = -EINVAL;
3013 goto fail;
3014 }
3015 p = lock_user(arg2, sizeof(target_sigset_t), 1);
3016 target_to_host_sigset(&set, p);
3017 unlock_user(p, arg2, 0);
3018 set_ptr = &set;
3019 } else {
3020 how = 0;
3021 set_ptr = NULL;
3022 }
3023 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
3024 if (!is_error(ret) && arg3) {
3025 p = lock_user(arg3, sizeof(target_sigset_t), 0);
3026 host_to_target_sigset(p, &oldset);
3027 unlock_user(p, arg3, sizeof(target_sigset_t));
3028 }
3029 }
3030 break;
3031 #ifdef TARGET_NR_sigpending
3032 case TARGET_NR_sigpending:
3033 {
3034 sigset_t set;
3035 ret = get_errno(sigpending(&set));
3036 if (!is_error(ret)) {
3037 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3038 host_to_target_old_sigset(p, &set);
3039 unlock_user(p, arg1, sizeof(target_sigset_t));
3040 }
3041 }
3042 break;
3043 #endif
3044 case TARGET_NR_rt_sigpending:
3045 {
3046 sigset_t set;
3047 ret = get_errno(sigpending(&set));
3048 if (!is_error(ret)) {
3049 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3050 host_to_target_sigset(p, &set);
3051 unlock_user(p, arg1, sizeof(target_sigset_t));
3052 }
3053 }
3054 break;
3055 #ifdef TARGET_NR_sigsuspend
3056 case TARGET_NR_sigsuspend:
3057 {
3058 sigset_t set;
3059 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3060 target_to_host_old_sigset(&set, p);
3061 unlock_user(p, arg1, 0);
3062 ret = get_errno(sigsuspend(&set));
3063 }
3064 break;
3065 #endif
3066 case TARGET_NR_rt_sigsuspend:
3067 {
3068 sigset_t set;
3069 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3070 target_to_host_sigset(&set, p);
3071 unlock_user(p, arg1, 0);
3072 ret = get_errno(sigsuspend(&set));
3073 }
3074 break;
3075 case TARGET_NR_rt_sigtimedwait:
3076 {
3077 sigset_t set;
3078 struct timespec uts, *puts;
3079 siginfo_t uinfo;
3080
3081 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3082 target_to_host_sigset(&set, p);
3083 unlock_user(p, arg1, 0);
3084 if (arg3) {
3085 puts = &uts;
3086 target_to_host_timespec(puts, arg3);
3087 } else {
3088 puts = NULL;
3089 }
3090 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
3091 if (!is_error(ret) && arg2) {
3092 p = lock_user(arg2, sizeof(target_sigset_t), 0);
3093 host_to_target_siginfo(p, &uinfo);
3094 unlock_user(p, arg2, sizeof(target_sigset_t));
3095 }
3096 }
3097 break;
3098 case TARGET_NR_rt_sigqueueinfo:
3099 {
3100 siginfo_t uinfo;
3101 p = lock_user(arg3, sizeof(target_sigset_t), 1);
3102 target_to_host_siginfo(&uinfo, p);
3103 unlock_user(p, arg1, 0);
3104 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3105 }
3106 break;
3107 #ifdef TARGET_NR_sigreturn
3108 case TARGET_NR_sigreturn:
3109 /* NOTE: ret is eax, so not transcoding must be done */
3110 ret = do_sigreturn(cpu_env);
3111 break;
3112 #endif
3113 case TARGET_NR_rt_sigreturn:
3114 /* NOTE: ret is eax, so not transcoding must be done */
3115 ret = do_rt_sigreturn(cpu_env);
3116 break;
3117 case TARGET_NR_sethostname:
3118 p = lock_user_string(arg1);
3119 ret = get_errno(sethostname(p, arg2));
3120 unlock_user(p, arg1, 0);
3121 break;
3122 case TARGET_NR_setrlimit:
3123 {
3124 /* XXX: convert resource ? */
3125 int resource = arg1;
3126 struct target_rlimit *target_rlim;
3127 struct rlimit rlim;
3128 lock_user_struct(target_rlim, arg2, 1);
3129 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3130 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3131 unlock_user_struct(target_rlim, arg2, 0);
3132 ret = get_errno(setrlimit(resource, &rlim));
3133 }
3134 break;
3135 case TARGET_NR_getrlimit:
3136 {
3137 /* XXX: convert resource ? */
3138 int resource = arg1;
3139 struct target_rlimit *target_rlim;
3140 struct rlimit rlim;
3141
3142 ret = get_errno(getrlimit(resource, &rlim));
3143 if (!is_error(ret)) {
3144 lock_user_struct(target_rlim, arg2, 0);
3145 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3146 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3147 unlock_user_struct(target_rlim, arg2, 1);
3148 }
3149 }
3150 break;
3151 case TARGET_NR_getrusage:
3152 {
3153 struct rusage rusage;
3154 ret = get_errno(getrusage(arg1, &rusage));
3155 if (!is_error(ret)) {
3156 host_to_target_rusage(arg2, &rusage);
3157 }
3158 }
3159 break;
3160 case TARGET_NR_gettimeofday:
3161 {
3162 struct timeval tv;
3163 ret = get_errno(gettimeofday(&tv, NULL));
3164 if (!is_error(ret)) {
3165 host_to_target_timeval(arg1, &tv);
3166 }
3167 }
3168 break;
3169 case TARGET_NR_settimeofday:
3170 {
3171 struct timeval tv;
3172 target_to_host_timeval(&tv, arg1);
3173 ret = get_errno(settimeofday(&tv, NULL));
3174 }
3175 break;
3176 #ifdef TARGET_NR_select
3177 case TARGET_NR_select:
3178 {
3179 struct target_sel_arg_struct *sel;
3180 target_ulong inp, outp, exp, tvp;
3181 long nsel;
3182
3183 lock_user_struct(sel, arg1, 1);
3184 nsel = tswapl(sel->n);
3185 inp = tswapl(sel->inp);
3186 outp = tswapl(sel->outp);
3187 exp = tswapl(sel->exp);
3188 tvp = tswapl(sel->tvp);
3189 unlock_user_struct(sel, arg1, 0);
3190 ret = do_select(nsel, inp, outp, exp, tvp);
3191 }
3192 break;
3193 #endif
3194 case TARGET_NR_symlink:
3195 {
3196 void *p2;
3197 p = lock_user_string(arg1);
3198 p2 = lock_user_string(arg2);
3199 ret = get_errno(symlink(p, p2));
3200 unlock_user(p2, arg2, 0);
3201 unlock_user(p, arg1, 0);
3202 }
3203 break;
3204 #ifdef TARGET_NR_oldlstat
3205 case TARGET_NR_oldlstat:
3206 goto unimplemented;
3207 #endif
3208 case TARGET_NR_readlink:
3209 {
3210 void *p2;
3211 p = lock_user_string(arg1);
3212 p2 = lock_user(arg2, arg3, 0);
3213 ret = get_errno(readlink(path(p), p2, arg3));
3214 unlock_user(p2, arg2, ret);
3215 unlock_user(p, arg1, 0);
3216 }
3217 break;
3218 #ifdef TARGET_NR_uselib
3219 case TARGET_NR_uselib:
3220 goto unimplemented;
3221 #endif
3222 #ifdef TARGET_NR_swapon
3223 case TARGET_NR_swapon:
3224 p = lock_user_string(arg1);
3225 ret = get_errno(swapon(p, arg2));
3226 unlock_user(p, arg1, 0);
3227 break;
3228 #endif
3229 case TARGET_NR_reboot:
3230 goto unimplemented;
3231 #ifdef TARGET_NR_readdir
3232 case TARGET_NR_readdir:
3233 goto unimplemented;
3234 #endif
3235 #ifdef TARGET_NR_mmap
3236 case TARGET_NR_mmap:
3237 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
3238 {
3239 target_ulong *v;
3240 target_ulong v1, v2, v3, v4, v5, v6;
3241 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
3242 v1 = tswapl(v[0]);
3243 v2 = tswapl(v[1]);
3244 v3 = tswapl(v[2]);
3245 v4 = tswapl(v[3]);
3246 v5 = tswapl(v[4]);
3247 v6 = tswapl(v[5]);
3248 unlock_user(v, arg1, 0);
3249 ret = get_errno(target_mmap(v1, v2, v3,
3250 target_to_host_bitmask(v4, mmap_flags_tbl),
3251 v5, v6));
3252 }
3253 #else
3254 ret = get_errno(target_mmap(arg1, arg2, arg3,
3255 target_to_host_bitmask(arg4, mmap_flags_tbl),
3256 arg5,
3257 arg6));
3258 #endif
3259 break;
3260 #endif
3261 #ifdef TARGET_NR_mmap2
3262 case TARGET_NR_mmap2:
3263 #if defined(TARGET_SPARC) || defined(TARGET_MIPS)
3264 #define MMAP_SHIFT 12
3265 #else
3266 #define MMAP_SHIFT TARGET_PAGE_BITS
3267 #endif
3268 ret = get_errno(target_mmap(arg1, arg2, arg3,
3269 target_to_host_bitmask(arg4, mmap_flags_tbl),
3270 arg5,
3271 arg6 << MMAP_SHIFT));
3272 break;
3273 #endif
3274 case TARGET_NR_munmap:
3275 ret = get_errno(target_munmap(arg1, arg2));
3276 break;
3277 case TARGET_NR_mprotect:
3278 ret = get_errno(target_mprotect(arg1, arg2, arg3));
3279 break;
3280 #ifdef TARGET_NR_mremap
3281 case TARGET_NR_mremap:
3282 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
3283 break;
3284 #endif
3285 /* ??? msync/mlock/munlock are broken for softmmu. */
3286 #ifdef TARGET_NR_msync
3287 case TARGET_NR_msync:
3288 ret = get_errno(msync(g2h(arg1), arg2, arg3));
3289 break;
3290 #endif
3291 #ifdef TARGET_NR_mlock
3292 case TARGET_NR_mlock:
3293 ret = get_errno(mlock(g2h(arg1), arg2));
3294 break;
3295 #endif
3296 #ifdef TARGET_NR_munlock
3297 case TARGET_NR_munlock:
3298 ret = get_errno(munlock(g2h(arg1), arg2));
3299 break;
3300 #endif
3301 #ifdef TARGET_NR_mlockall
3302 case TARGET_NR_mlockall:
3303 ret = get_errno(mlockall(arg1));
3304 break;
3305 #endif
3306 #ifdef TARGET_NR_munlockall
3307 case TARGET_NR_munlockall:
3308 ret = get_errno(munlockall());
3309 break;
3310 #endif
3311 case TARGET_NR_truncate:
3312 p = lock_user_string(arg1);
3313 ret = get_errno(truncate(p, arg2));
3314 unlock_user(p, arg1, 0);
3315 break;
3316 case TARGET_NR_ftruncate:
3317 ret = get_errno(ftruncate(arg1, arg2));
3318 break;
3319 case TARGET_NR_fchmod:
3320 ret = get_errno(fchmod(arg1, arg2));
3321 break;
3322 case TARGET_NR_getpriority:
3323 ret = get_errno(getpriority(arg1, arg2));
3324 break;
3325 case TARGET_NR_setpriority:
3326 ret = get_errno(setpriority(arg1, arg2, arg3));
3327 break;
3328 #ifdef TARGET_NR_profil
3329 case TARGET_NR_profil:
3330 goto unimplemented;
3331 #endif
3332 case TARGET_NR_statfs:
3333 p = lock_user_string(arg1);
3334 ret = get_errno(statfs(path(p), &stfs));
3335 unlock_user(p, arg1, 0);
3336 convert_statfs:
3337 if (!is_error(ret)) {
3338 struct target_statfs *target_stfs;
3339
3340 lock_user_struct(target_stfs, arg2, 0);
3341 /* ??? put_user is probably wrong. */
3342 put_user(stfs.f_type, &target_stfs->f_type);
3343 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3344 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3345 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3346 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3347 put_user(stfs.f_files, &target_stfs->f_files);
3348 put_user(stfs.f_ffree, &target_stfs->f_ffree);
3349 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3350 put_user(stfs.f_namelen, &target_stfs->f_namelen);
3351 unlock_user_struct(target_stfs, arg2, 1);
3352 }
3353 break;
3354 case TARGET_NR_fstatfs:
3355 ret = get_errno(fstatfs(arg1, &stfs));
3356 goto convert_statfs;
3357 #ifdef TARGET_NR_statfs64
3358 case TARGET_NR_statfs64:
3359 p = lock_user_string(arg1);
3360 ret = get_errno(statfs(path(p), &stfs));
3361 unlock_user(p, arg1, 0);
3362 convert_statfs64:
3363 if (!is_error(ret)) {
3364 struct target_statfs64 *target_stfs;
3365
3366 lock_user_struct(target_stfs, arg3, 0);
3367 /* ??? put_user is probably wrong. */
3368 put_user(stfs.f_type, &target_stfs->f_type);
3369 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3370 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3371 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3372 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3373 put_user(stfs.f_files, &target_stfs->f_files);
3374 put_user(stfs.f_ffree, &target_stfs->f_ffree);
3375 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3376 put_user(stfs.f_namelen, &target_stfs->f_namelen);
3377 unlock_user_struct(target_stfs, arg3, 0);
3378 }
3379 break;
3380 case TARGET_NR_fstatfs64:
3381 ret = get_errno(fstatfs(arg1, &stfs));
3382 goto convert_statfs64;
3383 #endif
3384 #ifdef TARGET_NR_ioperm
3385 case TARGET_NR_ioperm:
3386 goto unimplemented;
3387 #endif
3388 #ifdef TARGET_NR_socketcall
3389 case TARGET_NR_socketcall:
3390 ret = do_socketcall(arg1, arg2);
3391 break;
3392 #endif
3393 #ifdef TARGET_NR_accept
3394 case TARGET_NR_accept:
3395 ret = do_accept(arg1, arg2, arg3);
3396 break;
3397 #endif
3398 #ifdef TARGET_NR_bind
3399 case TARGET_NR_bind:
3400 ret = do_bind(arg1, arg2, arg3);
3401 break;
3402 #endif
3403 #ifdef TARGET_NR_connect
3404 case TARGET_NR_connect:
3405 ret = do_connect(arg1, arg2, arg3);
3406 break;
3407 #endif
3408 #ifdef TARGET_NR_getpeername
3409 case TARGET_NR_getpeername:
3410 ret = do_getpeername(arg1, arg2, arg3);
3411 break;
3412 #endif
3413 #ifdef TARGET_NR_getsockname
3414 case TARGET_NR_getsockname:
3415 ret = do_getsockname(arg1, arg2, arg3);
3416 break;
3417 #endif
3418 #ifdef TARGET_NR_getsockopt
3419 case TARGET_NR_getsockopt:
3420 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
3421 break;
3422 #endif
3423 #ifdef TARGET_NR_listen
3424 case TARGET_NR_listen:
3425 ret = get_errno(listen(arg1, arg2));
3426 break;
3427 #endif
3428 #ifdef TARGET_NR_recv
3429 case TARGET_NR_recv:
3430 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3431 break;
3432 #endif
3433 #ifdef TARGET_NR_recvfrom
3434 case TARGET_NR_recvfrom:
3435 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3436 break;
3437 #endif
3438 #ifdef TARGET_NR_recvmsg
3439 case TARGET_NR_recvmsg:
3440 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3441 break;
3442 #endif
3443 #ifdef TARGET_NR_send
3444 case TARGET_NR_send:
3445 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3446 break;
3447 #endif
3448 #ifdef TARGET_NR_sendmsg
3449 case TARGET_NR_sendmsg:
3450 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3451 break;
3452 #endif
3453 #ifdef TARGET_NR_sendto
3454 case TARGET_NR_sendto:
3455 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3456 break;
3457 #endif
3458 #ifdef TARGET_NR_shutdown
3459 case TARGET_NR_shutdown:
3460 ret = get_errno(shutdown(arg1, arg2));
3461 break;
3462 #endif
3463 #ifdef TARGET_NR_socket
3464 case TARGET_NR_socket:
3465 ret = do_socket(arg1, arg2, arg3);
3466 break;
3467 #endif
3468 #ifdef TARGET_NR_socketpair
3469 case TARGET_NR_socketpair:
3470 ret = do_socketpair(arg1, arg2, arg3, arg4);
3471 break;
3472 #endif
3473 #ifdef TARGET_NR_setsockopt
3474 case TARGET_NR_setsockopt:
3475 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3476 break;
3477 #endif
3478
3479 case TARGET_NR_syslog:
3480 p = lock_user_string(arg2);
3481 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3482 unlock_user(p, arg2, 0);
3483 break;
3484
3485 case TARGET_NR_setitimer:
3486 {
3487 struct itimerval value, ovalue, *pvalue;
3488
3489 if (arg2) {
3490 pvalue = &value;
3491 target_to_host_timeval(&pvalue->it_interval,
3492 arg2);
3493 target_to_host_timeval(&pvalue->it_value,
3494 arg2 + sizeof(struct target_timeval));
3495 } else {
3496 pvalue = NULL;
3497 }
3498 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
3499 if (!is_error(ret) && arg3) {
3500 host_to_target_timeval(arg3,
3501 &ovalue.it_interval);
3502 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
3503 &ovalue.it_value);
3504 }
3505 }
3506 break;
3507 case TARGET_NR_getitimer:
3508 {
3509 struct itimerval value;
3510
3511 ret = get_errno(getitimer(arg1, &value));
3512 if (!is_error(ret) && arg2) {
3513 host_to_target_timeval(arg2,
3514 &value.it_interval);
3515 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
3516 &value.it_value);
3517 }
3518 }
3519 break;
3520 case TARGET_NR_stat:
3521 p = lock_user_string(arg1);
3522 ret = get_errno(stat(path(p), &st));
3523 unlock_user(p, arg1, 0);
3524 goto do_stat;
3525 case TARGET_NR_lstat:
3526 p = lock_user_string(arg1);
3527 ret = get_errno(lstat(path(p), &st));
3528 unlock_user(p, arg1, 0);
3529 goto do_stat;
3530 case TARGET_NR_fstat:
3531 {
3532 ret = get_errno(fstat(arg1, &st));
3533 do_stat:
3534 if (!is_error(ret)) {
3535 struct target_stat *target_st;
3536
3537 lock_user_struct(target_st, arg2, 0);
3538 #if defined(TARGET_MIPS) || defined(TARGET_SPARC64)
3539 target_st->st_dev = tswap32(st.st_dev);
3540 #else
3541 target_st->st_dev = tswap16(st.st_dev);
3542 #endif
3543 target_st->st_ino = tswapl(st.st_ino);
3544 #if defined(TARGET_PPC) || defined(TARGET_MIPS)
3545 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3546 target_st->st_uid = tswap32(st.st_uid);
3547 target_st->st_gid = tswap32(st.st_gid);
3548 #elif defined(TARGET_SPARC64)
3549 target_st->st_mode = tswap32(st.st_mode);
3550 target_st->st_uid = tswap32(st.st_uid);
3551 target_st->st_gid = tswap32(st.st_gid);
3552 #else
3553 target_st->st_mode = tswap16(st.st_mode);
3554 target_st->st_uid = tswap16(st.st_uid);
3555 target_st->st_gid = tswap16(st.st_gid);
3556 #endif
3557 #if defined(TARGET_MIPS)
3558 /* If this is the same on PPC, then just merge w/ the above ifdef */
3559 target_st->st_nlink = tswapl(st.st_nlink);
3560 target_st->st_rdev = tswapl(st.st_rdev);
3561 #elif defined(TARGET_SPARC64)
3562 target_st->st_nlink = tswap32(st.st_nlink);
3563 target_st->st_rdev = tswap32(st.st_rdev);
3564 #else
3565 target_st->st_nlink = tswap16(st.st_nlink);
3566 target_st->st_rdev = tswap16(st.st_rdev);
3567 #endif
3568 target_st->st_size = tswapl(st.st_size);
3569 target_st->st_blksize = tswapl(st.st_blksize);
3570 target_st->st_blocks = tswapl(st.st_blocks);
3571 target_st->target_st_atime = tswapl(st.st_atime);
3572 target_st->target_st_mtime = tswapl(st.st_mtime);
3573 target_st->target_st_ctime = tswapl(st.st_ctime);
3574 unlock_user_struct(target_st, arg2, 1);
3575 }
3576 }
3577 break;
3578 #ifdef TARGET_NR_olduname
3579 case TARGET_NR_olduname:
3580 goto unimplemented;
3581 #endif
3582 #ifdef TARGET_NR_iopl
3583 case TARGET_NR_iopl:
3584 goto unimplemented;
3585 #endif
3586 case TARGET_NR_vhangup:
3587 ret = get_errno(vhangup());
3588 break;
3589 #ifdef TARGET_NR_idle
3590 case TARGET_NR_idle:
3591 goto unimplemented;
3592 #endif
3593 #ifdef TARGET_NR_syscall
3594 case TARGET_NR_syscall:
3595 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3596 break;
3597 #endif
3598 case TARGET_NR_wait4:
3599 {
3600 int status;
3601 target_long status_ptr = arg2;
3602 struct rusage rusage, *rusage_ptr;
3603 target_ulong target_rusage = arg4;
3604 if (target_rusage)
3605 rusage_ptr = &rusage;
3606 else
3607 rusage_ptr = NULL;
3608 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3609 if (!is_error(ret)) {
3610 if (status_ptr)
3611 tputl(status_ptr, status);
3612 if (target_rusage) {
3613 host_to_target_rusage(target_rusage, &rusage);
3614 }
3615 }
3616 }
3617 break;
3618 #ifdef TARGET_NR_swapoff
3619 case TARGET_NR_swapoff:
3620 p = lock_user_string(arg1);
3621 ret = get_errno(swapoff(p));
3622 unlock_user(p, arg1, 0);
3623 break;
3624 #endif
3625 case TARGET_NR_sysinfo:
3626 {
3627 struct target_sysinfo *target_value;
3628 struct sysinfo value;
3629 ret = get_errno(sysinfo(&value));
3630 if (!is_error(ret) && arg1)
3631 {
3632 /* ??? __put_user is probably wrong. */
3633 lock_user_struct(target_value, arg1, 0);
3634 __put_user(value.uptime, &target_value->uptime);
3635 __put_user(value.loads[0], &target_value->loads[0]);
3636 __put_user(value.loads[1], &target_value->loads[1]);
3637 __put_user(value.loads[2], &target_value->loads[2]);
3638 __put_user(value.totalram, &target_value->totalram);
3639 __put_user(value.freeram, &target_value->freeram);
3640 __put_user(value.sharedram, &target_value->sharedram);
3641 __put_user(value.bufferram, &target_value->bufferram);
3642 __put_user(value.totalswap, &target_value->totalswap);
3643 __put_user(value.freeswap, &target_value->freeswap);
3644 __put_user(value.procs, &target_value->procs);
3645 __put_user(value.totalhigh, &target_value->totalhigh);
3646 __put_user(value.freehigh, &target_value->freehigh);
3647 __put_user(value.mem_unit, &target_value->mem_unit);
3648 unlock_user_struct(target_value, arg1, 1);
3649 }
3650 }
3651 break;
3652 #ifdef TARGET_NR_ipc
3653 case TARGET_NR_ipc:
3654 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3655 break;
3656 #endif
3657 case TARGET_NR_fsync:
3658 ret = get_errno(fsync(arg1));
3659 break;
3660 case TARGET_NR_clone:
3661 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3662 break;
3663 #ifdef __NR_exit_group
3664 /* new thread calls */
3665 case TARGET_NR_exit_group:
3666 gdb_exit(cpu_env, arg1);
3667 ret = get_errno(exit_group(arg1));
3668 break;
3669 #endif
3670 case TARGET_NR_setdomainname:
3671 p = lock_user_string(arg1);
3672 ret = get_errno(setdomainname(p, arg2));
3673 unlock_user(p, arg1, 0);
3674 break;
3675 case TARGET_NR_uname:
3676 /* no need to transcode because we use the linux syscall */
3677 {
3678 struct new_utsname * buf;
3679
3680 lock_user_struct(buf, arg1, 0);
3681 ret = get_errno(sys_uname(buf));
3682 if (!is_error(ret)) {
3683 /* Overrite the native machine name with whatever is being
3684 emulated. */
3685 strcpy (buf->machine, UNAME_MACHINE);
3686 /* Allow the user to override the reported release. */
3687 if (qemu_uname_release && *qemu_uname_release)
3688 strcpy (buf->release, qemu_uname_release);
3689 }
3690 unlock_user_struct(buf, arg1, 1);
3691 }
3692 break;
3693 #ifdef TARGET_I386
3694 case TARGET_NR_modify_ldt:
3695 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
3696 break;
3697 #if !defined(TARGET_X86_64)
3698 case TARGET_NR_vm86old:
3699 goto unimplemented;
3700 case TARGET_NR_vm86:
3701 ret = do_vm86(cpu_env, arg1, arg2);
3702 break;
3703 #endif
3704 #endif
3705 case TARGET_NR_adjtimex:
3706 goto unimplemented;
3707 #ifdef TARGET_NR_create_module
3708 case TARGET_NR_create_module:
3709 #endif
3710 case TARGET_NR_init_module:
3711 case TARGET_NR_delete_module:
3712 #ifdef TARGET_NR_get_kernel_syms
3713 case TARGET_NR_get_kernel_syms:
3714 #endif
3715 goto unimplemented;
3716 case TARGET_NR_quotactl:
3717 goto unimplemented;
3718 case TARGET_NR_getpgid:
3719 ret = get_errno(getpgid(arg1));
3720 break;
3721 case TARGET_NR_fchdir:
3722 ret = get_errno(fchdir(arg1));
3723 break;
3724 #ifdef TARGET_NR_bdflush /* not on x86_64 */
3725 case TARGET_NR_bdflush:
3726 goto unimplemented;
3727 #endif
3728 #ifdef TARGET_NR_sysfs
3729 case TARGET_NR_sysfs:
3730 goto unimplemented;
3731 #endif
3732 case TARGET_NR_personality:
3733 ret = get_errno(personality(arg1));
3734 break;
3735 #ifdef TARGET_NR_afs_syscall
3736 case TARGET_NR_afs_syscall:
3737 goto unimplemented;
3738 #endif
3739 #ifdef TARGET_NR__llseek /* Not on alpha */
3740 case TARGET_NR__llseek:
3741 {
3742 #if defined (__x86_64__)
3743 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
3744 tput64(arg4, ret);
3745 #else
3746 int64_t res;
3747 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
3748 tput64(arg4, res);
3749 #endif
3750 }
3751 break;
3752 #endif
3753 case TARGET_NR_getdents:
3754 #if TARGET_LONG_SIZE != 4
3755 goto unimplemented;
3756 #warning not supported
3757 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3758 {
3759 struct target_dirent *target_dirp;
3760 struct dirent *dirp;
3761 long count = arg3;
3762
3763 dirp = malloc(count);
3764 if (!dirp)
3765 return -ENOMEM;
3766
3767 ret = get_errno(sys_getdents(arg1, dirp, count));
3768 if (!is_error(ret)) {
3769 struct dirent *de;
3770 struct target_dirent *tde;
3771 int len = ret;
3772 int reclen, treclen;
3773 int count1, tnamelen;
3774
3775 count1 = 0;
3776 de = dirp;
3777 target_dirp = lock_user(arg2, count, 0);
3778 tde = target_dirp;
3779 while (len > 0) {
3780 reclen = de->d_reclen;
3781 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3782 tde->d_reclen = tswap16(treclen);
3783 tde->d_ino = tswapl(de->d_ino);
3784 tde->d_off = tswapl(de->d_off);
3785 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3786 if (tnamelen > 256)
3787 tnamelen = 256;
3788 /* XXX: may not be correct */
3789 strncpy(tde->d_name, de->d_name, tnamelen);
3790 de = (struct dirent *)((char *)de + reclen);
3791 len -= reclen;
3792 tde = (struct target_dirent *)((char *)tde + treclen);
3793 count1 += treclen;
3794 }
3795 ret = count1;
3796 }
3797 unlock_user(target_dirp, arg2, ret);
3798 free(dirp);
3799 }
3800 #else
3801 {
3802 struct dirent *dirp;
3803 long count = arg3;
3804
3805 dirp = lock_user(arg2, count, 0);
3806 ret = get_errno(sys_getdents(arg1, dirp, count));
3807 if (!is_error(ret)) {
3808 struct dirent *de;
3809 int len = ret;
3810 int reclen;
3811 de = dirp;
3812 while (len > 0) {
3813 reclen = de->d_reclen;
3814 if (reclen > len)
3815 break;
3816 de->d_reclen = tswap16(reclen);
3817 tswapls(&de->d_ino);
3818 tswapls(&de->d_off);
3819 de = (struct dirent *)((char *)de + reclen);
3820 len -= reclen;
3821 }
3822 }
3823 unlock_user(dirp, arg2, ret);
3824 }
3825 #endif
3826 break;
3827 #ifdef TARGET_NR_getdents64
3828 case TARGET_NR_getdents64:
3829 {
3830 struct dirent64 *dirp;
3831 long count = arg3;
3832 dirp = lock_user(arg2, count, 0);
3833 ret = get_errno(sys_getdents64(arg1, dirp, count));
3834 if (!is_error(ret)) {
3835 struct dirent64 *de;
3836 int len = ret;
3837 int reclen;
3838 de = dirp;
3839 while (len > 0) {
3840 reclen = de->d_reclen;
3841 if (reclen > len)
3842 break;
3843 de->d_reclen = tswap16(reclen);
3844 tswap64s(&de->d_ino);
3845 tswap64s(&de->d_off);
3846 de = (struct dirent64 *)((char *)de + reclen);
3847 len -= reclen;
3848 }
3849 }
3850 unlock_user(dirp, arg2, ret);
3851 }
3852 break;
3853 #endif /* TARGET_NR_getdents64 */
3854 #ifdef TARGET_NR__newselect
3855 case TARGET_NR__newselect:
3856 ret = do_select(arg1, arg2, arg3, arg4, arg5);
3857 break;
3858 #endif
3859 #ifdef TARGET_NR_poll
3860 case TARGET_NR_poll:
3861 {
3862 struct target_pollfd *target_pfd;
3863 unsigned int nfds = arg2;
3864 int timeout = arg3;
3865 struct pollfd *pfd;
3866 unsigned int i;
3867
3868 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
3869 pfd = alloca(sizeof(struct pollfd) * nfds);
3870 for(i = 0; i < nfds; i++) {
3871 pfd[i].fd = tswap32(target_pfd[i].fd);
3872 pfd[i].events = tswap16(target_pfd[i].events);
3873 }
3874 ret = get_errno(poll(pfd, nfds, timeout));
3875 if (!is_error(ret)) {
3876 for(i = 0; i < nfds; i++) {
3877 target_pfd[i].revents = tswap16(pfd[i].revents);
3878 }
3879 ret += nfds * (sizeof(struct target_pollfd)
3880 - sizeof(struct pollfd));
3881 }
3882 unlock_user(target_pfd, arg1, ret);
3883 }
3884 break;
3885 #endif
3886 case TARGET_NR_flock:
3887 /* NOTE: the flock constant seems to be the same for every
3888 Linux platform */
3889 ret = get_errno(flock(arg1, arg2));
3890 break;
3891 case TARGET_NR_readv:
3892 {
3893 int count = arg3;
3894 struct iovec *vec;
3895
3896 vec = alloca(count * sizeof(struct iovec));
3897 lock_iovec(vec, arg2, count, 0);
3898 ret = get_errno(readv(arg1, vec, count));
3899 unlock_iovec(vec, arg2, count, 1);
3900 }
3901 break;
3902 case TARGET_NR_writev:
3903 {
3904 int count = arg3;
3905 struct iovec *vec;
3906
3907 vec = alloca(count * sizeof(struct iovec));
3908 lock_iovec(vec, arg2, count, 1);
3909 ret = get_errno(writev(arg1, vec, count));
3910 unlock_iovec(vec, arg2, count, 0);
3911 }
3912 break;
3913 case TARGET_NR_getsid:
3914 ret = get_errno(getsid(arg1));
3915 break;
3916 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
3917 case TARGET_NR_fdatasync:
3918 ret = get_errno(fdatasync(arg1));
3919 break;
3920 #endif
3921 case TARGET_NR__sysctl:
3922 /* We don't implement this, but ENODIR is always a safe
3923 return value. */
3924 return -ENOTDIR;
3925 case TARGET_NR_sched_setparam:
3926 {
3927 struct sched_param *target_schp;
3928 struct sched_param schp;
3929
3930 lock_user_struct(target_schp, arg2, 1);
3931 schp.sched_priority = tswap32(target_schp->sched_priority);
3932 unlock_user_struct(target_schp, arg2, 0);
3933 ret = get_errno(sched_setparam(arg1, &schp));
3934 }
3935 break;
3936 case TARGET_NR_sched_getparam:
3937 {
3938 struct sched_param *target_schp;
3939 struct sched_param schp;
3940 ret = get_errno(sched_getparam(arg1, &schp));
3941 if (!is_error(ret)) {
3942 lock_user_struct(target_schp, arg2, 0);
3943 target_schp->sched_priority = tswap32(schp.sched_priority);
3944 unlock_user_struct(target_schp, arg2, 1);
3945 }
3946 }
3947 break;
3948 case TARGET_NR_sched_setscheduler:
3949 {
3950 struct sched_param *target_schp;
3951 struct sched_param schp;
3952 lock_user_struct(target_schp, arg3, 1);
3953 schp.sched_priority = tswap32(target_schp->sched_priority);
3954 unlock_user_struct(target_schp, arg3, 0);
3955 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3956 }
3957 break;
3958 case TARGET_NR_sched_getscheduler:
3959 ret = get_errno(sched_getscheduler(arg1));
3960 break;
3961 case TARGET_NR_sched_yield:
3962 ret = get_errno(sched_yield());
3963 break;
3964 case TARGET_NR_sched_get_priority_max:
3965 ret = get_errno(sched_get_priority_max(arg1));
3966 break;
3967 case TARGET_NR_sched_get_priority_min:
3968 ret = get_errno(sched_get_priority_min(arg1));
3969 break;
3970 case TARGET_NR_sched_rr_get_interval:
3971 {
3972 struct timespec ts;
3973 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3974 if (!is_error(ret)) {
3975 host_to_target_timespec(arg2, &ts);
3976 }
3977 }
3978 break;
3979 case TARGET_NR_nanosleep:
3980 {
3981 struct timespec req, rem;
3982 target_to_host_timespec(&req, arg1);
3983 ret = get_errno(nanosleep(&req, &rem));
3984 if (is_error(ret) && arg2) {
3985 host_to_target_timespec(arg2, &rem);
3986 }
3987 }
3988 break;
3989 #ifdef TARGET_NR_query_module
3990 case TARGET_NR_query_module:
3991 goto unimplemented;
3992 #endif
3993 #ifdef TARGET_NR_nfsservctl
3994 case TARGET_NR_nfsservctl:
3995 goto unimplemented;
3996 #endif
3997 case TARGET_NR_prctl:
3998 switch (arg1)
3999 {
4000 case PR_GET_PDEATHSIG:
4001 {
4002 int deathsig;
4003 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
4004 if (!is_error(ret) && arg2)
4005 tput32(arg2, deathsig);
4006 }
4007 break;
4008 default:
4009 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
4010 break;
4011 }
4012 break;
4013 #ifdef TARGET_NR_pread
4014 case TARGET_NR_pread:
4015 page_unprotect_range(arg2, arg3);
4016 p = lock_user(arg2, arg3, 0);
4017 ret = get_errno(pread(arg1, p, arg3, arg4));
4018 unlock_user(p, arg2, ret);
4019 break;
4020 case TARGET_NR_pwrite:
4021 p = lock_user(arg2, arg3, 1);
4022 ret = get_errno(pwrite(arg1, p, arg3, arg4));
4023 unlock_user(p, arg2, 0);
4024 break;
4025 #endif
4026 case TARGET_NR_getcwd:
4027 p = lock_user(arg1, arg2, 0);
4028 ret = get_errno(sys_getcwd1(p, arg2));
4029 unlock_user(p, arg1, ret);
4030 break;
4031 case TARGET_NR_capget:
4032 goto unimplemented;
4033 case TARGET_NR_capset:
4034 goto unimplemented;
4035 case TARGET_NR_sigaltstack:
4036 goto unimplemented;
4037 case TARGET_NR_sendfile:
4038 goto unimplemented;
4039 #ifdef TARGET_NR_getpmsg
4040 case TARGET_NR_getpmsg:
4041 goto unimplemented;
4042 #endif
4043 #ifdef TARGET_NR_putpmsg
4044 case TARGET_NR_putpmsg:
4045 goto unimplemented;
4046 #endif
4047 #ifdef TARGET_NR_vfork
4048 case TARGET_NR_vfork:
4049 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
4050 break;
4051 #endif
4052 #ifdef TARGET_NR_ugetrlimit
4053 case TARGET_NR_ugetrlimit:
4054 {
4055 struct rlimit rlim;
4056 ret = get_errno(getrlimit(arg1, &rlim));
4057 if (!is_error(ret)) {
4058 struct target_rlimit *target_rlim;
4059 lock_user_struct(target_rlim, arg2, 0);
4060 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4061 target_rlim->rlim_max = tswapl(rlim.rlim_max);
4062 unlock_user_struct(target_rlim, arg2, 1);
4063 }
4064 break;
4065 }
4066 #endif
4067 #ifdef TARGET_NR_truncate64
4068 case TARGET_NR_truncate64:
4069 p = lock_user_string(arg1);
4070 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4071 unlock_user(p, arg1, 0);
4072 break;
4073 #endif
4074 #ifdef TARGET_NR_ftruncate64
4075 case TARGET_NR_ftruncate64:
4076 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
4077 break;
4078 #endif
4079 #ifdef TARGET_NR_stat64
4080 case TARGET_NR_stat64:
4081 p = lock_user_string(arg1);
4082 ret = get_errno(stat(path(p), &st));
4083 unlock_user(p, arg1, 0);
4084 goto do_stat64;
4085 #endif
4086 #ifdef TARGET_NR_lstat64
4087 case TARGET_NR_lstat64:
4088 p = lock_user_string(arg1);
4089 ret = get_errno(lstat(path(p), &st));
4090 unlock_user(p, arg1, 0);
4091 goto do_stat64;
4092 #endif
4093 #ifdef TARGET_NR_fstat64
4094 case TARGET_NR_fstat64:
4095 {
4096 ret = get_errno(fstat(arg1, &st));
4097 do_stat64:
4098 if (!is_error(ret)) {
4099 #ifdef TARGET_ARM
4100 if (((CPUARMState *)cpu_env)->eabi) {
4101 struct target_eabi_stat64 *target_st;
4102 lock_user_struct(target_st, arg2, 1);
4103 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4104 /* put_user is probably wrong. */
4105 put_user(st.st_dev, &target_st->st_dev);
4106 put_user(st.st_ino, &target_st->st_ino);
4107 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4108 put_user(st.st_ino, &target_st->__st_ino);
4109 #endif
4110 put_user(st.st_mode, &target_st->st_mode);
4111 put_user(st.st_nlink, &target_st->st_nlink);
4112 put_user(st.st_uid, &target_st->st_uid);
4113 put_user(st.st_gid, &target_st->st_gid);
4114 put_user(st.st_rdev, &target_st->st_rdev);
4115 /* XXX: better use of kernel struct */
4116 put_user(st.st_size, &target_st->st_size);
4117 put_user(st.st_blksize, &target_st->st_blksize);
4118 put_user(st.st_blocks, &target_st->st_blocks);
4119 put_user(st.st_atime, &target_st->target_st_atime);
4120 put_user(st.st_mtime, &target_st->target_st_mtime);
4121 put_user(st.st_ctime, &target_st->target_st_ctime);
4122 unlock_user_struct(target_st, arg2, 0);
4123 } else
4124 #endif
4125 {
4126 struct target_stat64 *target_st;
4127 lock_user_struct(target_st, arg2, 1);
4128 memset(target_st, 0, sizeof(struct target_stat64));
4129 /* ??? put_user is probably wrong. */
4130 put_user(st.st_dev, &target_st->st_dev);
4131 put_user(st.st_ino, &target_st->st_ino);
4132 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4133 put_user(st.st_ino, &target_st->__st_ino);
4134 #endif
4135 put_user(st.st_mode, &target_st->st_mode);
4136 put_user(st.st_nlink, &target_st->st_nlink);
4137 put_user(st.st_uid, &target_st->st_uid);
4138 put_user(st.st_gid, &target_st->st_gid);
4139 put_user(st.st_rdev, &target_st->st_rdev);
4140 /* XXX: better use of kernel struct */
4141 put_user(st.st_size, &target_st->st_size);
4142 put_user(st.st_blksize, &target_st->st_blksize);
4143 put_user(st.st_blocks, &target_st->st_blocks);
4144 put_user(st.st_atime, &target_st->target_st_atime);
4145 put_user(st.st_mtime, &target_st->target_st_mtime);
4146 put_user(st.st_ctime, &target_st->target_st_ctime);
4147 unlock_user_struct(target_st, arg2, 0);
4148 }
4149 }
4150 }
4151 break;
4152 #endif
4153 #ifdef USE_UID16
4154 case TARGET_NR_lchown:
4155 p = lock_user_string(arg1);
4156 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
4157 unlock_user(p, arg1, 0);
4158 break;
4159 case TARGET_NR_getuid:
4160 ret = get_errno(high2lowuid(getuid()));
4161 break;
4162 case TARGET_NR_getgid:
4163 ret = get_errno(high2lowgid(getgid()));
4164 break;
4165 case TARGET_NR_geteuid:
4166 ret = get_errno(high2lowuid(geteuid()));
4167 break;
4168 case TARGET_NR_getegid:
4169 ret = get_errno(high2lowgid(getegid()));
4170 break;
4171 case TARGET_NR_setreuid:
4172 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
4173 break;
4174 case TARGET_NR_setregid:
4175 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
4176 break;
4177 case TARGET_NR_getgroups:
4178 {
4179 int gidsetsize = arg1;
4180 uint16_t *target_grouplist;
4181 gid_t *grouplist;
4182 int i;
4183
4184 grouplist = alloca(gidsetsize * sizeof(gid_t));
4185 ret = get_errno(getgroups(gidsetsize, grouplist));
4186 if (!is_error(ret)) {
4187 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
4188 for(i = 0;i < gidsetsize; i++)
4189 target_grouplist[i] = tswap16(grouplist[i]);
4190 unlock_user(target_grouplist, arg2, gidsetsize * 2);
4191 }
4192 }
4193 break;
4194 case TARGET_NR_setgroups:
4195 {
4196 int gidsetsize = arg1;
4197 uint16_t *target_grouplist;
4198 gid_t *grouplist;
4199 int i;
4200
4201 grouplist = alloca(gidsetsize * sizeof(gid_t));
4202 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
4203 for(i = 0;i < gidsetsize; i++)
4204 grouplist[i] = tswap16(target_grouplist[i]);
4205 unlock_user(target_grouplist, arg2, 0);
4206 ret = get_errno(setgroups(gidsetsize, grouplist));
4207 }
4208 break;
4209 case TARGET_NR_fchown:
4210 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
4211 break;
4212 #ifdef TARGET_NR_setresuid
4213 case TARGET_NR_setresuid:
4214 ret = get_errno(setresuid(low2highuid(arg1),
4215 low2highuid(arg2),
4216 low2highuid(arg3)));
4217 break;
4218 #endif
4219 #ifdef TARGET_NR_getresuid
4220 case TARGET_NR_getresuid:
4221 {
4222 uid_t ruid, euid, suid;
4223 ret = get_errno(getresuid(&ruid, &euid, &suid));
4224 if (!is_error(ret)) {
4225 tput16(arg1, tswap16(high2lowuid(ruid)));
4226 tput16(arg2, tswap16(high2lowuid(euid)));
4227 tput16(arg3, tswap16(high2lowuid(suid)));
4228 }
4229 }
4230 break;
4231 #endif
4232 #ifdef TARGET_NR_getresgid
4233 case TARGET_NR_setresgid:
4234 ret = get_errno(setresgid(low2highgid(arg1),
4235 low2highgid(arg2),
4236 low2highgid(arg3)));
4237 break;
4238 #endif
4239 #ifdef TARGET_NR_getresgid
4240 case TARGET_NR_getresgid:
4241 {
4242 gid_t rgid, egid, sgid;
4243 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4244 if (!is_error(ret)) {
4245 tput16(arg1, tswap16(high2lowgid(rgid)));
4246 tput16(arg2, tswap16(high2lowgid(egid)));
4247 tput16(arg3, tswap16(high2lowgid(sgid)));
4248 }
4249 }
4250 break;
4251 #endif
4252 case TARGET_NR_chown:
4253 p = lock_user_string(arg1);
4254 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
4255 unlock_user(p, arg1, 0);
4256 break;
4257 case TARGET_NR_setuid:
4258 ret = get_errno(setuid(low2highuid(arg1)));
4259 break;
4260 case TARGET_NR_setgid:
4261 ret = get_errno(setgid(low2highgid(arg1)));
4262 break;
4263 case TARGET_NR_setfsuid:
4264 ret = get_errno(setfsuid(arg1));
4265 break;
4266 case TARGET_NR_setfsgid:
4267 ret = get_errno(setfsgid(arg1));
4268 break;
4269 #endif /* USE_UID16 */
4270
4271 #ifdef TARGET_NR_lchown32
4272 case TARGET_NR_lchown32:
4273 p = lock_user_string(arg1);
4274 ret = get_errno(lchown(p, arg2, arg3));
4275 unlock_user(p, arg1, 0);
4276 break;
4277 #endif
4278 #ifdef TARGET_NR_getuid32
4279 case TARGET_NR_getuid32:
4280 ret = get_errno(getuid());
4281 break;
4282 #endif
4283 #ifdef TARGET_NR_getgid32
4284 case TARGET_NR_getgid32:
4285 ret = get_errno(getgid());
4286 break;
4287 #endif
4288 #ifdef TARGET_NR_geteuid32
4289 case TARGET_NR_geteuid32:
4290 ret = get_errno(geteuid());
4291 break;
4292 #endif
4293 #ifdef TARGET_NR_getegid32
4294 case TARGET_NR_getegid32:
4295 ret = get_errno(getegid());
4296 break;
4297 #endif
4298 #ifdef TARGET_NR_setreuid32
4299 case TARGET_NR_setreuid32:
4300 ret = get_errno(setreuid(arg1, arg2));
4301 break;
4302 #endif
4303 #ifdef TARGET_NR_setregid32
4304 case TARGET_NR_setregid32:
4305 ret = get_errno(setregid(arg1, arg2));
4306 break;
4307 #endif
4308 #ifdef TARGET_NR_getgroups32
4309 case TARGET_NR_getgroups32:
4310 {
4311 int gidsetsize = arg1;
4312 uint32_t *target_grouplist;
4313 gid_t *grouplist;
4314 int i;
4315
4316 grouplist = alloca(gidsetsize * sizeof(gid_t));
4317 ret = get_errno(getgroups(gidsetsize, grouplist));
4318 if (!is_error(ret)) {
4319 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
4320 for(i = 0;i < gidsetsize; i++)
4321 target_grouplist[i] = tswap32(grouplist[i]);
4322 unlock_user(target_grouplist, arg2, gidsetsize * 4);
4323 }
4324 }
4325 break;
4326 #endif
4327 #ifdef TARGET_NR_setgroups32
4328 case TARGET_NR_setgroups32:
4329 {
4330 int gidsetsize = arg1;
4331 uint32_t *target_grouplist;
4332 gid_t *grouplist;
4333 int i;
4334
4335 grouplist = alloca(gidsetsize * sizeof(gid_t));
4336 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
4337 for(i = 0;i < gidsetsize; i++)
4338 grouplist[i] = tswap32(target_grouplist[i]);
4339 unlock_user(target_grouplist, arg2, 0);
4340 ret = get_errno(setgroups(gidsetsize, grouplist));
4341 }
4342 break;
4343 #endif
4344 #ifdef TARGET_NR_fchown32
4345 case TARGET_NR_fchown32:
4346 ret = get_errno(fchown(arg1, arg2, arg3));
4347 break;
4348 #endif
4349 #ifdef TARGET_NR_setresuid32
4350 case TARGET_NR_setresuid32:
4351 ret = get_errno(setresuid(arg1, arg2, arg3));
4352 break;
4353 #endif
4354 #ifdef TARGET_NR_getresuid32
4355 case TARGET_NR_getresuid32:
4356 {
4357 uid_t ruid, euid, suid;
4358 ret = get_errno(getresuid(&ruid, &euid, &suid));
4359 if (!is_error(ret)) {
4360 tput32(arg1, tswap32(ruid));
4361 tput32(arg2, tswap32(euid));
4362 tput32(arg3, tswap32(suid));
4363 }
4364 }
4365 break;
4366 #endif
4367 #ifdef TARGET_NR_setresgid32
4368 case TARGET_NR_setresgid32:
4369 ret = get_errno(setresgid(arg1, arg2, arg3));
4370 break;
4371 #endif
4372 #ifdef TARGET_NR_getresgid32
4373 case TARGET_NR_getresgid32:
4374 {
4375 gid_t rgid, egid, sgid;
4376 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4377 if (!is_error(ret)) {
4378 tput32(arg1, tswap32(rgid));
4379 tput32(arg2, tswap32(egid));
4380 tput32(arg3, tswap32(sgid));
4381 }
4382 }
4383 break;
4384 #endif
4385 #ifdef TARGET_NR_chown32
4386 case TARGET_NR_chown32:
4387 p = lock_user_string(arg1);
4388 ret = get_errno(chown(p, arg2, arg3));
4389 unlock_user(p, arg1, 0);
4390 break;
4391 #endif
4392 #ifdef TARGET_NR_setuid32
4393 case TARGET_NR_setuid32:
4394 ret = get_errno(setuid(arg1));
4395 break;
4396 #endif
4397 #ifdef TARGET_NR_setgid32
4398 case TARGET_NR_setgid32:
4399 ret = get_errno(setgid(arg1));
4400 break;
4401 #endif
4402 #ifdef TARGET_NR_setfsuid32
4403 case TARGET_NR_setfsuid32:
4404 ret = get_errno(setfsuid(arg1));
4405 break;
4406 #endif
4407 #ifdef TARGET_NR_setfsgid32
4408 case TARGET_NR_setfsgid32:
4409 ret = get_errno(setfsgid(arg1));
4410 break;
4411 #endif
4412
4413 case TARGET_NR_pivot_root:
4414 goto unimplemented;
4415 #ifdef TARGET_NR_mincore
4416 case TARGET_NR_mincore:
4417 goto unimplemented;
4418 #endif
4419 #ifdef TARGET_NR_madvise
4420 case TARGET_NR_madvise:
4421 /* A straight passthrough may not be safe because qemu sometimes
4422 turns private flie-backed mappings into anonymous mappings.
4423 This will break MADV_DONTNEED.
4424 This is a hint, so ignoring and returning success is ok. */
4425 ret = get_errno(0);
4426 break;
4427 #endif
4428 #if TARGET_LONG_BITS == 32
4429 case TARGET_NR_fcntl64:
4430 {
4431 int cmd;
4432 struct flock64 fl;
4433 struct target_flock64 *target_fl;
4434 #ifdef TARGET_ARM
4435 struct target_eabi_flock64 *target_efl;
4436 #endif
4437
4438 switch(arg2){
4439 case TARGET_F_GETLK64:
4440 cmd = F_GETLK64;
4441 break;
4442 case TARGET_F_SETLK64:
4443 cmd = F_SETLK64;
4444 break;
4445 case TARGET_F_SETLKW64:
4446 cmd = F_SETLK64;
4447 break;
4448 default:
4449 cmd = arg2;
4450 break;
4451 }
4452
4453 switch(arg2) {
4454 case TARGET_F_GETLK64:
4455 #ifdef TARGET_ARM
4456 if (((CPUARMState *)cpu_env)->eabi) {
4457 lock_user_struct(target_efl, arg3, 1);
4458 fl.l_type = tswap16(target_efl->l_type);
4459 fl.l_whence = tswap16(target_efl->l_whence);
4460 fl.l_start = tswap64(target_efl->l_start);
4461 fl.l_len = tswap64(target_efl->l_len);
4462 fl.l_pid = tswapl(target_efl->l_pid);
4463 unlock_user_struct(target_efl, arg3, 0);
4464 } else
4465 #endif
4466 {
4467 lock_user_struct(target_fl, arg3, 1);
4468 fl.l_type = tswap16(target_fl->l_type);
4469 fl.l_whence = tswap16(target_fl->l_whence);
4470 fl.l_start = tswap64(target_fl->l_start);
4471 fl.l_len = tswap64(target_fl->l_len);
4472 fl.l_pid = tswapl(target_fl->l_pid);
4473 unlock_user_struct(target_fl, arg3, 0);
4474 }
4475 ret = get_errno(fcntl(arg1, cmd, &fl));
4476 if (ret == 0) {
4477 #ifdef TARGET_ARM
4478 if (((CPUARMState *)cpu_env)->eabi) {
4479 lock_user_struct(target_efl, arg3, 0);
4480 target_efl->l_type = tswap16(fl.l_type);
4481 target_efl->l_whence = tswap16(fl.l_whence);
4482 target_efl->l_start = tswap64(fl.l_start);
4483 target_efl->l_len = tswap64(fl.l_len);
4484 target_efl->l_pid = tswapl(fl.l_pid);
4485 unlock_user_struct(target_efl, arg3, 1);
4486 } else
4487 #endif
4488 {
4489 lock_user_struct(target_fl, arg3, 0);
4490 target_fl->l_type = tswap16(fl.l_type);
4491 target_fl->l_whence = tswap16(fl.l_whence);
4492 target_fl->l_start = tswap64(fl.l_start);
4493 target_fl->l_len = tswap64(fl.l_len);
4494 target_fl->l_pid = tswapl(fl.l_pid);
4495 unlock_user_struct(target_fl, arg3, 1);
4496 }
4497 }
4498 break;
4499
4500 case TARGET_F_SETLK64:
4501 case TARGET_F_SETLKW64:
4502 #ifdef TARGET_ARM
4503 if (((CPUARMState *)cpu_env)->eabi) {
4504 lock_user_struct(target_efl, arg3, 1);
4505 fl.l_type = tswap16(target_efl->l_type);
4506 fl.l_whence = tswap16(target_efl->l_whence);
4507 fl.l_start = tswap64(target_efl->l_start);
4508 fl.l_len = tswap64(target_efl->l_len);
4509 fl.l_pid = tswapl(target_efl->l_pid);
4510 unlock_user_struct(target_efl, arg3, 0);
4511 } else
4512 #endif
4513 {
4514 lock_user_struct(target_fl, arg3, 1);
4515 fl.l_type = tswap16(target_fl->l_type);
4516 fl.l_whence = tswap16(target_fl->l_whence);
4517 fl.l_start = tswap64(target_fl->l_start);
4518 fl.l_len = tswap64(target_fl->l_len);
4519 fl.l_pid = tswapl(target_fl->l_pid);
4520 unlock_user_struct(target_fl, arg3, 0);
4521 }
4522 ret = get_errno(fcntl(arg1, cmd, &fl));
4523 break;
4524 default:
4525 ret = get_errno(do_fcntl(arg1, cmd, arg3));
4526 break;
4527 }
4528 break;
4529 }
4530 #endif
4531 #ifdef TARGET_NR_cacheflush
4532 case TARGET_NR_cacheflush:
4533 /* self-modifying code is handled automatically, so nothing needed */
4534 ret = 0;
4535 break;
4536 #endif
4537 #ifdef TARGET_NR_security
4538 case TARGET_NR_security:
4539 goto unimplemented;
4540 #endif
4541 #ifdef TARGET_NR_getpagesize
4542 case TARGET_NR_getpagesize:
4543 ret = TARGET_PAGE_SIZE;
4544 break;
4545 #endif
4546 case TARGET_NR_gettid:
4547 ret = get_errno(gettid());
4548 break;
4549 #ifdef TARGET_NR_readahead
4550 case TARGET_NR_readahead:
4551 goto unimplemented;
4552 #endif
4553 #ifdef TARGET_NR_setxattr
4554 case TARGET_NR_setxattr:
4555 case TARGET_NR_lsetxattr:
4556 case TARGET_NR_fsetxattr:
4557 case TARGET_NR_getxattr:
4558 case TARGET_NR_lgetxattr:
4559 case TARGET_NR_fgetxattr:
4560 case TARGET_NR_listxattr:
4561 case TARGET_NR_llistxattr:
4562 case TARGET_NR_flistxattr:
4563 case TARGET_NR_removexattr:
4564 case TARGET_NR_lremovexattr:
4565 case TARGET_NR_fremovexattr:
4566 goto unimplemented_nowarn;
4567 #endif
4568 #ifdef TARGET_NR_set_thread_area
4569 case TARGET_NR_set_thread_area:
4570 #ifdef TARGET_MIPS
4571 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4572 ret = 0;
4573 break;
4574 #else
4575 goto unimplemented_nowarn;
4576 #endif
4577 #endif
4578 #ifdef TARGET_NR_get_thread_area
4579 case TARGET_NR_get_thread_area:
4580 goto unimplemented_nowarn;
4581 #endif
4582 #ifdef TARGET_NR_getdomainname
4583 case TARGET_NR_getdomainname:
4584 goto unimplemented_nowarn;
4585 #endif
4586
4587 #ifdef TARGET_NR_clock_gettime
4588 case TARGET_NR_clock_gettime:
4589 {
4590 struct timespec ts;
4591 ret = get_errno(clock_gettime(arg1, &ts));
4592 if (!is_error(ret)) {
4593 host_to_target_timespec(arg2, &ts);
4594 }
4595 break;
4596 }
4597 #endif
4598 #ifdef TARGET_NR_clock_getres
4599 case TARGET_NR_clock_getres:
4600 {
4601 struct timespec ts;
4602 ret = get_errno(clock_getres(arg1, &ts));
4603 if (!is_error(ret)) {
4604 host_to_target_timespec(arg2, &ts);
4605 }
4606 break;
4607 }
4608 #endif
4609
4610 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4611 case TARGET_NR_set_tid_address:
4612 ret = get_errno(set_tid_address((int *) arg1));
4613 break;
4614 #endif
4615
4616 #ifdef TARGET_NR_tgkill
4617 case TARGET_NR_tgkill:
4618 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
4619 break;
4620 #endif
4621
4622 #ifdef TARGET_NR_set_robust_list
4623 case TARGET_NR_set_robust_list:
4624 goto unimplemented_nowarn;
4625 #endif
4626
4627 default:
4628 unimplemented:
4629 gemu_log("qemu: Unsupported syscall: %d\n", num);
4630 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
4631 unimplemented_nowarn:
4632 #endif
4633 ret = -ENOSYS;
4634 break;
4635 }
4636 fail:
4637 #ifdef DEBUG
4638 gemu_log(" = %ld\n", ret);
4639 #endif
4640 return ret;
4641 }
4642
Qemu copy for testing