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