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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/wait.h>
32 #include <sys/time.h>
33 #include <sys/stat.h>
34 #include <sys/mount.h>
35 #include <sys/resource.h>
36 #include <sys/mman.h>
37 #include <sys/swap.h>
38 #include <signal.h>
39 #include <sched.h>
40 #include <sys/socket.h>
41 #include <sys/uio.h>
42 #include <sys/poll.h>
43 #include <sys/times.h>
44 //#include <sys/user.h>
45 #include <netinet/tcp.h>
46
47 #define termios host_termios
48 #define winsize host_winsize
49 #define termio host_termio
50 #define sgttyb host_sgttyb /* same as target */
51 #define tchars host_tchars /* same as target */
52 #define ltchars host_ltchars /* same as target */
53
54 #include <linux/termios.h>
55 #include <linux/unistd.h>
56 #include <linux/utsname.h>
57 #include <linux/cdrom.h>
58 #include <linux/hdreg.h>
59 #include <linux/soundcard.h>
60 #include <linux/dirent.h>
61 #include <linux/kd.h>
62
63 #include "qemu.h"
64
65 //#define DEBUG
66
67 //#include <linux/msdos_fs.h>
68 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
69 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
70
71 void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
72 void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
73 long do_sigreturn(CPUX86State *env);
74 long do_rt_sigreturn(CPUX86State *env);
75
76 #define __NR_sys_uname __NR_uname
77 #define __NR_sys_getcwd1 __NR_getcwd
78 #define __NR_sys_statfs __NR_statfs
79 #define __NR_sys_fstatfs __NR_fstatfs
80 #define __NR_sys_getdents __NR_getdents
81 #define __NR_sys_getdents64 __NR_getdents64
82 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
83
84 #if defined(__alpha__) || defined (__ia64__)
85 #define __NR__llseek __NR_lseek
86 #endif
87
88 #ifdef __NR_gettid
89 _syscall0(int, gettid)
90 #else
91 static int gettid(void) {
92 return -ENOSYS;
93 }
94 #endif
95 _syscall1(int,sys_uname,struct new_utsname *,buf)
96 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
97 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
98 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
99 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
100 loff_t *, res, uint, wh);
101 _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
102 _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
103 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
104 #ifdef __NR_exit_group
105 _syscall1(int,exit_group,int,error_code)
106 #endif
107
108 extern int personality(int);
109 extern int flock(int, int);
110 extern int setfsuid(int);
111 extern int setfsgid(int);
112 extern int setresuid(uid_t, uid_t, uid_t);
113 extern int getresuid(uid_t *, uid_t *, uid_t *);
114 extern int setresgid(gid_t, gid_t, gid_t);
115 extern int getresgid(gid_t *, gid_t *, gid_t *);
116 extern int setgroups(int, gid_t *);
117
118 static inline long get_errno(long ret)
119 {
120 if (ret == -1)
121 return -errno;
122 else
123 return ret;
124 }
125
126 static inline int is_error(long ret)
127 {
128 return (unsigned long)ret >= (unsigned long)(-4096);
129 }
130
131 static char *target_brk;
132 static char *target_original_brk;
133
134 void target_set_brk(char *new_brk)
135 {
136 target_brk = new_brk;
137 target_original_brk = new_brk;
138 }
139
140 static long do_brk(char *new_brk)
141 {
142 char *brk_page;
143 long mapped_addr;
144 int new_alloc_size;
145
146 if (!new_brk)
147 return (long)target_brk;
148 if (new_brk < target_original_brk)
149 return -ENOMEM;
150
151 brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
152
153 /* If the new brk is less than this, set it and we're done... */
154 if (new_brk < brk_page) {
155 target_brk = new_brk;
156 return (long)target_brk;
157 }
158
159 /* We need to allocate more memory after the brk... */
160 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
161 mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size,
162 PROT_READ|PROT_WRITE,
163 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
164 if (is_error(mapped_addr)) {
165 return mapped_addr;
166 } else {
167 target_brk = new_brk;
168 return (long)target_brk;
169 }
170 }
171
172 static inline fd_set *target_to_host_fds(fd_set *fds,
173 target_long *target_fds, int n)
174 {
175 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
176 return (fd_set *)target_fds;
177 #else
178 int i, b;
179 if (target_fds) {
180 FD_ZERO(fds);
181 for(i = 0;i < n; i++) {
182 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
183 (i & (TARGET_LONG_BITS - 1))) & 1;
184 if (b)
185 FD_SET(i, fds);
186 }
187 return fds;
188 } else {
189 return NULL;
190 }
191 #endif
192 }
193
194 static inline void host_to_target_fds(target_long *target_fds,
195 fd_set *fds, int n)
196 {
197 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
198 /* nothing to do */
199 #else
200 int i, nw, j, k;
201 target_long v;
202
203 if (target_fds) {
204 nw = n / TARGET_LONG_BITS;
205 k = 0;
206 for(i = 0;i < nw; i++) {
207 v = 0;
208 for(j = 0; j < TARGET_LONG_BITS; j++) {
209 v |= ((FD_ISSET(k, fds) != 0) << j);
210 k++;
211 }
212 target_fds[i] = tswapl(v);
213 }
214 }
215 #endif
216 }
217
218 static inline void host_to_target_rusage(struct target_rusage *target_rusage,
219 const struct rusage *rusage)
220 {
221 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
222 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
223 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
224 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
225 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
226 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
227 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
228 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
229 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
230 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
231 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
232 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
233 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
234 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
235 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
236 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
237 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
238 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
239 }
240
241 static inline void target_to_host_timeval(struct timeval *tv,
242 const struct target_timeval *target_tv)
243 {
244 tv->tv_sec = tswapl(target_tv->tv_sec);
245 tv->tv_usec = tswapl(target_tv->tv_usec);
246 }
247
248 static inline void host_to_target_timeval(struct target_timeval *target_tv,
249 const struct timeval *tv)
250 {
251 target_tv->tv_sec = tswapl(tv->tv_sec);
252 target_tv->tv_usec = tswapl(tv->tv_usec);
253 }
254
255
256 static long do_select(long n,
257 target_long *target_rfds, target_long *target_wfds,
258 target_long *target_efds, struct target_timeval *target_tv)
259 {
260 fd_set rfds, wfds, efds;
261 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
262 struct timeval tv, *tv_ptr;
263 long ret;
264
265 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
266 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
267 efds_ptr = target_to_host_fds(&efds, target_efds, n);
268
269 if (target_tv) {
270 target_to_host_timeval(&tv, target_tv);
271 tv_ptr = &tv;
272 } else {
273 tv_ptr = NULL;
274 }
275 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
276 if (!is_error(ret)) {
277 host_to_target_fds(target_rfds, rfds_ptr, n);
278 host_to_target_fds(target_wfds, wfds_ptr, n);
279 host_to_target_fds(target_efds, efds_ptr, n);
280
281 if (target_tv) {
282 host_to_target_timeval(target_tv, &tv);
283 }
284 }
285 return ret;
286 }
287
288 static inline void target_to_host_sockaddr(struct sockaddr *addr,
289 struct target_sockaddr *target_addr,
290 socklen_t len)
291 {
292 memcpy(addr, target_addr, len);
293 addr->sa_family = tswap16(target_addr->sa_family);
294 }
295
296 static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
297 struct sockaddr *addr,
298 socklen_t len)
299 {
300 memcpy(target_addr, addr, len);
301 target_addr->sa_family = tswap16(addr->sa_family);
302 }
303
304 static inline void target_to_host_cmsg(struct msghdr *msgh,
305 struct target_msghdr *target_msgh)
306 {
307 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
308 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
309 socklen_t space = 0;
310
311 while (cmsg && target_cmsg) {
312 void *data = CMSG_DATA(cmsg);
313 void *target_data = TARGET_CMSG_DATA(target_cmsg);
314
315 int len = tswapl(target_cmsg->cmsg_len)
316 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
317
318 space += CMSG_SPACE(len);
319 if (space > msgh->msg_controllen) {
320 space -= CMSG_SPACE(len);
321 gemu_log("Host cmsg overflow");
322 break;
323 }
324
325 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
326 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
327 cmsg->cmsg_len = CMSG_LEN(len);
328
329 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
330 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
331 memcpy(data, target_data, len);
332 } else {
333 int *fd = (int *)data;
334 int *target_fd = (int *)target_data;
335 int i, numfds = len / sizeof(int);
336
337 for (i = 0; i < numfds; i++)
338 fd[i] = tswap32(target_fd[i]);
339 }
340
341 cmsg = CMSG_NXTHDR(msgh, cmsg);
342 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
343 }
344
345 msgh->msg_controllen = space;
346 }
347
348 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
349 struct msghdr *msgh)
350 {
351 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
352 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
353 socklen_t space = 0;
354
355 while (cmsg && target_cmsg) {
356 void *data = CMSG_DATA(cmsg);
357 void *target_data = TARGET_CMSG_DATA(target_cmsg);
358
359 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
360
361 space += TARGET_CMSG_SPACE(len);
362 if (space > tswapl(target_msgh->msg_controllen)) {
363 space -= TARGET_CMSG_SPACE(len);
364 gemu_log("Target cmsg overflow");
365 break;
366 }
367
368 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
369 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
370 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
371
372 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
373 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
374 memcpy(target_data, data, len);
375 } else {
376 int *fd = (int *)data;
377 int *target_fd = (int *)target_data;
378 int i, numfds = len / sizeof(int);
379
380 for (i = 0; i < numfds; i++)
381 target_fd[i] = tswap32(fd[i]);
382 }
383
384 cmsg = CMSG_NXTHDR(msgh, cmsg);
385 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
386 }
387
388 msgh->msg_controllen = tswapl(space);
389 }
390
391 static long do_setsockopt(int sockfd, int level, int optname,
392 void *optval, socklen_t optlen)
393 {
394 if (level == SOL_TCP) {
395 /* TCP options all take an 'int' value. */
396 int val;
397
398 if (optlen < sizeof(uint32_t))
399 return -EINVAL;
400
401 val = tswap32(*(uint32_t *)optval);
402 return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
403 }
404
405 else if (level != SOL_SOCKET) {
406 gemu_log("Unsupported setsockopt level: %d\n", level);
407 return -ENOSYS;
408 }
409
410 switch (optname) {
411 /* Options with 'int' argument. */
412 case SO_DEBUG:
413 case SO_REUSEADDR:
414 case SO_TYPE:
415 case SO_ERROR:
416 case SO_DONTROUTE:
417 case SO_BROADCAST:
418 case SO_SNDBUF:
419 case SO_RCVBUF:
420 case SO_KEEPALIVE:
421 case SO_OOBINLINE:
422 case SO_NO_CHECK:
423 case SO_PRIORITY:
424 case SO_BSDCOMPAT:
425 case SO_PASSCRED:
426 case SO_TIMESTAMP:
427 case SO_RCVLOWAT:
428 case SO_RCVTIMEO:
429 case SO_SNDTIMEO:
430 {
431 int val;
432 if (optlen < sizeof(uint32_t))
433 return -EINVAL;
434 val = tswap32(*(uint32_t *)optval);
435 return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
436 }
437
438 default:
439 gemu_log("Unsupported setsockopt SOL_SOCKET option: %d\n", optname);
440 return -ENOSYS;
441 }
442 }
443
444 static long do_getsockopt(int sockfd, int level, int optname,
445 void *optval, socklen_t *optlen)
446 {
447 gemu_log("getsockopt not yet supported\n");
448 return -ENOSYS;
449 }
450
451 static long do_socketcall(int num, int32_t *vptr)
452 {
453 long ret;
454
455 switch(num) {
456 case SOCKOP_socket:
457 {
458 int domain = tswap32(vptr[0]);
459 int type = tswap32(vptr[1]);
460 int protocol = tswap32(vptr[2]);
461
462 ret = get_errno(socket(domain, type, protocol));
463 }
464 break;
465 case SOCKOP_bind:
466 {
467 int sockfd = tswap32(vptr[0]);
468 void *target_addr = (void *)tswap32(vptr[1]);
469 socklen_t addrlen = tswap32(vptr[2]);
470 void *addr = alloca(addrlen);
471
472 target_to_host_sockaddr(addr, target_addr, addrlen);
473 ret = get_errno(bind(sockfd, addr, addrlen));
474 }
475 break;
476 case SOCKOP_connect:
477 {
478 int sockfd = tswap32(vptr[0]);
479 void *target_addr = (void *)tswap32(vptr[1]);
480 socklen_t addrlen = tswap32(vptr[2]);
481 void *addr = alloca(addrlen);
482
483 target_to_host_sockaddr(addr, target_addr, addrlen);
484 ret = get_errno(connect(sockfd, addr, addrlen));
485 }
486 break;
487 case SOCKOP_listen:
488 {
489 int sockfd = tswap32(vptr[0]);
490 int backlog = tswap32(vptr[1]);
491
492 ret = get_errno(listen(sockfd, backlog));
493 }
494 break;
495 case SOCKOP_accept:
496 {
497 int sockfd = tswap32(vptr[0]);
498 void *target_addr = (void *)tswap32(vptr[1]);
499 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
500 socklen_t addrlen = tswap32(*target_addrlen);
501 void *addr = alloca(addrlen);
502
503 ret = get_errno(accept(sockfd, addr, &addrlen));
504 if (!is_error(ret)) {
505 host_to_target_sockaddr(target_addr, addr, addrlen);
506 *target_addrlen = tswap32(addrlen);
507 }
508 }
509 break;
510 case SOCKOP_getsockname:
511 {
512 int sockfd = tswap32(vptr[0]);
513 void *target_addr = (void *)tswap32(vptr[1]);
514 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
515 socklen_t addrlen = tswap32(*target_addrlen);
516 void *addr = alloca(addrlen);
517
518 ret = get_errno(getsockname(sockfd, addr, &addrlen));
519 if (!is_error(ret)) {
520 host_to_target_sockaddr(target_addr, addr, addrlen);
521 *target_addrlen = tswap32(addrlen);
522 }
523 }
524 break;
525 case SOCKOP_getpeername:
526 {
527 int sockfd = tswap32(vptr[0]);
528 void *target_addr = (void *)tswap32(vptr[1]);
529 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
530 socklen_t addrlen = tswap32(*target_addrlen);
531 void *addr = alloca(addrlen);
532
533 ret = get_errno(getpeername(sockfd, addr, &addrlen));
534 if (!is_error(ret)) {
535 host_to_target_sockaddr(target_addr, addr, addrlen);
536 *target_addrlen = tswap32(addrlen);
537 }
538 }
539 break;
540 case SOCKOP_socketpair:
541 {
542 int domain = tswap32(vptr[0]);
543 int type = tswap32(vptr[1]);
544 int protocol = tswap32(vptr[2]);
545 int32_t *target_tab = (void *)tswap32(vptr[3]);
546 int tab[2];
547
548 ret = get_errno(socketpair(domain, type, protocol, tab));
549 if (!is_error(ret)) {
550 target_tab[0] = tswap32(tab[0]);
551 target_tab[1] = tswap32(tab[1]);
552 }
553 }
554 break;
555 case SOCKOP_send:
556 {
557 int sockfd = tswap32(vptr[0]);
558 void *msg = (void *)tswap32(vptr[1]);
559 size_t len = tswap32(vptr[2]);
560 int flags = tswap32(vptr[3]);
561
562 ret = get_errno(send(sockfd, msg, len, flags));
563 }
564 break;
565 case SOCKOP_recv:
566 {
567 int sockfd = tswap32(vptr[0]);
568 void *msg = (void *)tswap32(vptr[1]);
569 size_t len = tswap32(vptr[2]);
570 int flags = tswap32(vptr[3]);
571
572 ret = get_errno(recv(sockfd, msg, len, flags));
573 }
574 break;
575 case SOCKOP_sendto:
576 {
577 int sockfd = tswap32(vptr[0]);
578 void *msg = (void *)tswap32(vptr[1]);
579 size_t len = tswap32(vptr[2]);
580 int flags = tswap32(vptr[3]);
581 void *target_addr = (void *)tswap32(vptr[4]);
582 socklen_t addrlen = tswap32(vptr[5]);
583 void *addr = alloca(addrlen);
584
585 target_to_host_sockaddr(addr, target_addr, addrlen);
586 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
587 }
588 break;
589 case SOCKOP_recvfrom:
590 {
591 int sockfd = tswap32(vptr[0]);
592 void *msg = (void *)tswap32(vptr[1]);
593 size_t len = tswap32(vptr[2]);
594 int flags = tswap32(vptr[3]);
595 void *target_addr = (void *)tswap32(vptr[4]);
596 uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
597 socklen_t addrlen = tswap32(*target_addrlen);
598 void *addr = alloca(addrlen);
599
600 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
601 if (!is_error(ret)) {
602 host_to_target_sockaddr(target_addr, addr, addrlen);
603 *target_addrlen = tswap32(addrlen);
604 }
605 }
606 break;
607 case SOCKOP_shutdown:
608 {
609 int sockfd = tswap32(vptr[0]);
610 int how = tswap32(vptr[1]);
611
612 ret = get_errno(shutdown(sockfd, how));
613 }
614 break;
615 case SOCKOP_sendmsg:
616 case SOCKOP_recvmsg:
617 {
618 int fd;
619 struct target_msghdr *msgp;
620 struct msghdr msg;
621 int flags, count, i;
622 struct iovec *vec;
623 struct target_iovec *target_vec;
624
625 msgp = (void *)tswap32(vptr[1]);
626 msg.msg_name = (void *)tswapl(msgp->msg_name);
627 msg.msg_namelen = tswapl(msgp->msg_namelen);
628 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
629 msg.msg_control = alloca(msg.msg_controllen);
630 msg.msg_flags = tswap32(msgp->msg_flags);
631
632 count = tswapl(msgp->msg_iovlen);
633 vec = alloca(count * sizeof(struct iovec));
634 target_vec = (void *)tswapl(msgp->msg_iov);
635 for(i = 0;i < count; i++) {
636 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
637 vec[i].iov_len = tswapl(target_vec[i].iov_len);
638 }
639 msg.msg_iovlen = count;
640 msg.msg_iov = vec;
641
642 fd = tswap32(vptr[0]);
643 flags = tswap32(vptr[2]);
644 if (num == SOCKOP_sendmsg) {
645 target_to_host_cmsg(&msg, msgp);
646 ret = get_errno(sendmsg(fd, &msg, flags));
647 } else {
648 ret = get_errno(recvmsg(fd, &msg, flags));
649 if (!is_error(ret))
650 host_to_target_cmsg(msgp, &msg);
651 }
652 }
653 break;
654 case SOCKOP_setsockopt:
655 {
656 int sockfd = tswap32(vptr[0]);
657 int level = tswap32(vptr[1]);
658 int optname = tswap32(vptr[2]);
659 void *optval = (void *)tswap32(vptr[3]);
660 socklen_t optlen = tswap32(vptr[4]);
661
662 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
663 }
664 break;
665 case SOCKOP_getsockopt:
666 {
667 int sockfd = tswap32(vptr[0]);
668 int level = tswap32(vptr[1]);
669 int optname = tswap32(vptr[2]);
670 void *optval = (void *)tswap32(vptr[3]);
671 uint32_t *target_len = (void *)tswap32(vptr[4]);
672 socklen_t optlen = tswap32(*target_len);
673
674 ret = do_getsockopt(sockfd, level, optname, optval, &optlen);
675 if (!is_error(ret))
676 *target_len = tswap32(optlen);
677 }
678 break;
679 default:
680 gemu_log("Unsupported socketcall: %d\n", num);
681 ret = -ENOSYS;
682 break;
683 }
684 return ret;
685 }
686
687 /* kernel structure types definitions */
688 #define IFNAMSIZ 16
689
690 #define STRUCT(name, list...) STRUCT_ ## name,
691 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
692 enum {
693 #include "syscall_types.h"
694 };
695 #undef STRUCT
696 #undef STRUCT_SPECIAL
697
698 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
699 #define STRUCT_SPECIAL(name)
700 #include "syscall_types.h"
701 #undef STRUCT
702 #undef STRUCT_SPECIAL
703
704 typedef struct IOCTLEntry {
705 int target_cmd;
706 int host_cmd;
707 const char *name;
708 int access;
709 const argtype arg_type[5];
710 } IOCTLEntry;
711
712 #define IOC_R 0x0001
713 #define IOC_W 0x0002
714 #define IOC_RW (IOC_R | IOC_W)
715
716 #define MAX_STRUCT_SIZE 4096
717
718 const IOCTLEntry ioctl_entries[] = {
719 #define IOCTL(cmd, access, types...) \
720 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
721 #include "ioctls.h"
722 { 0, 0, },
723 };
724
725 static long do_ioctl(long fd, long cmd, long arg)
726 {
727 const IOCTLEntry *ie;
728 const argtype *arg_type;
729 long ret;
730 uint8_t buf_temp[MAX_STRUCT_SIZE];
731
732 ie = ioctl_entries;
733 for(;;) {
734 if (ie->target_cmd == 0) {
735 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
736 return -ENOSYS;
737 }
738 if (ie->target_cmd == cmd)
739 break;
740 ie++;
741 }
742 arg_type = ie->arg_type;
743 #if defined(DEBUG)
744 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
745 #endif
746 switch(arg_type[0]) {
747 case TYPE_NULL:
748 /* no argument */
749 ret = get_errno(ioctl(fd, ie->host_cmd));
750 break;
751 case TYPE_PTRVOID:
752 case TYPE_INT:
753 /* int argment */
754 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
755 break;
756 case TYPE_PTR:
757 arg_type++;
758 switch(ie->access) {
759 case IOC_R:
760 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
761 if (!is_error(ret)) {
762 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
763 }
764 break;
765 case IOC_W:
766 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
767 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
768 break;
769 default:
770 case IOC_RW:
771 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
772 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
773 if (!is_error(ret)) {
774 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
775 }
776 break;
777 }
778 break;
779 default:
780 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
781 ret = -ENOSYS;
782 break;
783 }
784 return ret;
785 }
786
787 bitmask_transtbl iflag_tbl[] = {
788 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
789 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
790 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
791 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
792 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
793 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
794 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
795 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
796 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
797 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
798 { TARGET_IXON, TARGET_IXON, IXON, IXON },
799 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
800 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
801 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
802 { 0, 0, 0, 0 }
803 };
804
805 bitmask_transtbl oflag_tbl[] = {
806 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
807 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
808 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
809 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
810 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
811 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
812 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
813 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
814 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
815 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
816 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
817 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
818 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
819 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
820 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
821 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
822 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
823 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
824 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
825 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
826 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
827 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
828 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
829 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
830 { 0, 0, 0, 0 }
831 };
832
833 bitmask_transtbl cflag_tbl[] = {
834 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
835 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
836 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
837 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
838 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
839 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
840 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
841 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
842 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
843 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
844 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
845 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
846 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
847 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
848 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
849 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
850 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
851 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
852 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
853 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
854 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
855 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
856 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
857 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
858 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
859 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
860 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
861 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
862 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
863 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
864 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
865 { 0, 0, 0, 0 }
866 };
867
868 bitmask_transtbl lflag_tbl[] = {
869 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
870 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
871 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
872 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
873 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
874 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
875 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
876 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
877 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
878 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
879 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
880 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
881 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
882 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
883 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
884 { 0, 0, 0, 0 }
885 };
886
887 static void target_to_host_termios (void *dst, const void *src)
888 {
889 struct host_termios *host = dst;
890 const struct target_termios *target = src;
891
892 host->c_iflag =
893 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
894 host->c_oflag =
895 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
896 host->c_cflag =
897 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
898 host->c_lflag =
899 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
900 host->c_line = target->c_line;
901
902 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
903 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
904 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
905 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
906 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
907 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
908 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
909 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
910 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
911 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
912 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
913 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
914 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
915 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
916 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
917 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
918 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
919 }
920
921 static void host_to_target_termios (void *dst, const void *src)
922 {
923 struct target_termios *target = dst;
924 const struct host_termios *host = src;
925
926 target->c_iflag =
927 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
928 target->c_oflag =
929 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
930 target->c_cflag =
931 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
932 target->c_lflag =
933 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
934 target->c_line = host->c_line;
935
936 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
937 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
938 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
939 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
940 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
941 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
942 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
943 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
944 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
945 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
946 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
947 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
948 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
949 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
950 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
951 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
952 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
953 }
954
955 StructEntry struct_termios_def = {
956 .convert = { host_to_target_termios, target_to_host_termios },
957 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
958 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
959 };
960
961 static bitmask_transtbl mmap_flags_tbl[] = {
962 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
963 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
964 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
965 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
966 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
967 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
968 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
969 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
970 { 0, 0, 0, 0 }
971 };
972
973 #ifdef TARGET_I386
974
975 /* NOTE: there is really one LDT for all the threads */
976 uint8_t *ldt_table;
977
978 static int read_ldt(void *ptr, unsigned long bytecount)
979 {
980 int size;
981
982 if (!ldt_table)
983 return 0;
984 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
985 if (size > bytecount)
986 size = bytecount;
987 memcpy(ptr, ldt_table, size);
988 return size;
989 }
990
991 /* XXX: add locking support */
992 static int write_ldt(CPUX86State *env,
993 void *ptr, unsigned long bytecount, int oldmode)
994 {
995 struct target_modify_ldt_ldt_s ldt_info;
996 int seg_32bit, contents, read_exec_only, limit_in_pages;
997 int seg_not_present, useable;
998 uint32_t *lp, entry_1, entry_2;
999
1000 if (bytecount != sizeof(ldt_info))
1001 return -EINVAL;
1002 memcpy(&ldt_info, ptr, sizeof(ldt_info));
1003 tswap32s(&ldt_info.entry_number);
1004 tswapls((long *)&ldt_info.base_addr);
1005 tswap32s(&ldt_info.limit);
1006 tswap32s(&ldt_info.flags);
1007
1008 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1009 return -EINVAL;
1010 seg_32bit = ldt_info.flags & 1;
1011 contents = (ldt_info.flags >> 1) & 3;
1012 read_exec_only = (ldt_info.flags >> 3) & 1;
1013 limit_in_pages = (ldt_info.flags >> 4) & 1;
1014 seg_not_present = (ldt_info.flags >> 5) & 1;
1015 useable = (ldt_info.flags >> 6) & 1;
1016
1017 if (contents == 3) {
1018 if (oldmode)
1019 return -EINVAL;
1020 if (seg_not_present == 0)
1021 return -EINVAL;
1022 }
1023 /* allocate the LDT */
1024 if (!ldt_table) {
1025 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1026 if (!ldt_table)
1027 return -ENOMEM;
1028 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1029 env->ldt.base = ldt_table;
1030 env->ldt.limit = 0xffff;
1031 }
1032
1033 /* NOTE: same code as Linux kernel */
1034 /* Allow LDTs to be cleared by the user. */
1035 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1036 if (oldmode ||
1037 (contents == 0 &&
1038 read_exec_only == 1 &&
1039 seg_32bit == 0 &&
1040 limit_in_pages == 0 &&
1041 seg_not_present == 1 &&
1042 useable == 0 )) {
1043 entry_1 = 0;
1044 entry_2 = 0;
1045 goto install;
1046 }
1047 }
1048
1049 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1050 (ldt_info.limit & 0x0ffff);
1051 entry_2 = (ldt_info.base_addr & 0xff000000) |
1052 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1053 (ldt_info.limit & 0xf0000) |
1054 ((read_exec_only ^ 1) << 9) |
1055 (contents << 10) |
1056 ((seg_not_present ^ 1) << 15) |
1057 (seg_32bit << 22) |
1058 (limit_in_pages << 23) |
1059 0x7000;
1060 if (!oldmode)
1061 entry_2 |= (useable << 20);
1062
1063 /* Install the new entry ... */
1064 install:
1065 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1066 lp[0] = tswap32(entry_1);
1067 lp[1] = tswap32(entry_2);
1068 return 0;
1069 }
1070
1071 /* specific and weird i386 syscalls */
1072 int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
1073 {
1074 int ret = -ENOSYS;
1075
1076 switch (func) {
1077 case 0:
1078 ret = read_ldt(ptr, bytecount);
1079 break;
1080 case 1:
1081 ret = write_ldt(env, ptr, bytecount, 1);
1082 break;
1083 case 0x11:
1084 ret = write_ldt(env, ptr, bytecount, 0);
1085 break;
1086 }
1087 return ret;
1088 }
1089
1090 /* this stack is the equivalent of the kernel stack associated with a
1091 thread/process */
1092 #define NEW_STACK_SIZE 8192
1093
1094 static int clone_func(void *arg)
1095 {
1096 CPUX86State *env = arg;
1097 cpu_loop(env);
1098 /* never exits */
1099 return 0;
1100 }
1101
1102 int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp)
1103 {
1104 int ret;
1105 TaskState *ts;
1106 uint8_t *new_stack;
1107 CPUX86State *new_env;
1108
1109 if (flags & CLONE_VM) {
1110 if (!newsp)
1111 newsp = env->regs[R_ESP];
1112 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1113 memset(ts, 0, sizeof(TaskState));
1114 new_stack = ts->stack;
1115 ts->used = 1;
1116 /* add in task state list */
1117 ts->next = first_task_state;
1118 first_task_state = ts;
1119 /* we create a new CPU instance. */
1120 new_env = cpu_x86_init();
1121 memcpy(new_env, env, sizeof(CPUX86State));
1122 new_env->regs[R_ESP] = newsp;
1123 new_env->regs[R_EAX] = 0;
1124 new_env->opaque = ts;
1125 #ifdef __ia64__
1126 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1127 #else
1128 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1129 #endif
1130 } else {
1131 /* if no CLONE_VM, we consider it is a fork */
1132 if ((flags & ~CSIGNAL) != 0)
1133 return -EINVAL;
1134 ret = fork();
1135 }
1136 return ret;
1137 }
1138
1139 #endif
1140
1141 static long do_fcntl(int fd, int cmd, unsigned long arg)
1142 {
1143 struct flock fl;
1144 struct target_flock *target_fl = (void *)arg;
1145 long ret;
1146
1147 switch(cmd) {
1148 case TARGET_F_GETLK:
1149 ret = fcntl(fd, cmd, &fl);
1150 if (ret == 0) {
1151 target_fl->l_type = tswap16(fl.l_type);
1152 target_fl->l_whence = tswap16(fl.l_whence);
1153 target_fl->l_start = tswapl(fl.l_start);
1154 target_fl->l_len = tswapl(fl.l_len);
1155 target_fl->l_pid = tswapl(fl.l_pid);
1156 }
1157 break;
1158
1159 case TARGET_F_SETLK:
1160 case TARGET_F_SETLKW:
1161 fl.l_type = tswap16(target_fl->l_type);
1162 fl.l_whence = tswap16(target_fl->l_whence);
1163 fl.l_start = tswapl(target_fl->l_start);
1164 fl.l_len = tswapl(target_fl->l_len);
1165 fl.l_pid = tswapl(target_fl->l_pid);
1166 ret = fcntl(fd, cmd, &fl);
1167 break;
1168
1169 case TARGET_F_GETLK64:
1170 case TARGET_F_SETLK64:
1171 case TARGET_F_SETLKW64:
1172 ret = -1;
1173 errno = EINVAL;
1174 break;
1175
1176 default:
1177 ret = fcntl(fd, cmd, arg);
1178 break;
1179 }
1180 return ret;
1181 }
1182
1183
1184 #define high2lowuid(x) (x)
1185 #define high2lowgid(x) (x)
1186 #define low2highuid(x) (x)
1187 #define low2highgid(x) (x)
1188
1189 void syscall_init(void)
1190 {
1191 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1192 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1193 #include "syscall_types.h"
1194 #undef STRUCT
1195 #undef STRUCT_SPECIAL
1196 }
1197
1198 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1199 long arg4, long arg5, long arg6)
1200 {
1201 long ret;
1202 struct stat st;
1203 struct kernel_statfs *stfs;
1204
1205 #ifdef DEBUG
1206 gemu_log("syscall %d\n", num);
1207 #endif
1208 switch(num) {
1209 case TARGET_NR_exit:
1210 #ifdef HAVE_GPROF
1211 _mcleanup();
1212 #endif
1213 /* XXX: should free thread stack and CPU env */
1214 _exit(arg1);
1215 ret = 0; /* avoid warning */
1216 break;
1217 case TARGET_NR_read:
1218 page_unprotect_range((void *)arg2, arg3);
1219 ret = get_errno(read(arg1, (void *)arg2, arg3));
1220 break;
1221 case TARGET_NR_write:
1222 ret = get_errno(write(arg1, (void *)arg2, arg3));
1223 break;
1224 case TARGET_NR_open:
1225 ret = get_errno(open(path((const char *)arg1), arg2, arg3));
1226 break;
1227 case TARGET_NR_close:
1228 ret = get_errno(close(arg1));
1229 break;
1230 case TARGET_NR_brk:
1231 ret = do_brk((char *)arg1);
1232 break;
1233 case TARGET_NR_fork:
1234 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1235 break;
1236 case TARGET_NR_waitpid:
1237 {
1238 int *status = (int *)arg2;
1239 ret = get_errno(waitpid(arg1, status, arg3));
1240 if (!is_error(ret) && status)
1241 tswapls((long *)&status);
1242 }
1243 break;
1244 case TARGET_NR_creat:
1245 ret = get_errno(creat((const char *)arg1, arg2));
1246 break;
1247 case TARGET_NR_link:
1248 ret = get_errno(link((const char *)arg1, (const char *)arg2));
1249 break;
1250 case TARGET_NR_unlink:
1251 ret = get_errno(unlink((const char *)arg1));
1252 break;
1253 case TARGET_NR_execve:
1254 {
1255 char **argp, **envp;
1256 int argc, envc;
1257 uint32_t *p;
1258 char **q;
1259
1260 argc = 0;
1261 for (p = (void *)arg2; *p; p++)
1262 argc++;
1263 envc = 0;
1264 for (p = (void *)arg3; *p; p++)
1265 envc++;
1266
1267 argp = alloca((argc + 1) * sizeof(void *));
1268 envp = alloca((envc + 1) * sizeof(void *));
1269
1270 for (p = (void *)arg2, q = argp; *p; p++, q++)
1271 *q = (void *)tswap32(*p);
1272 *q = NULL;
1273
1274 for (p = (void *)arg3, q = envp; *p; p++, q++)
1275 *q = (void *)tswap32(*p);
1276 *q = NULL;
1277
1278 ret = get_errno(execve((const char *)arg1, argp, envp));
1279 }
1280 break;
1281 case TARGET_NR_chdir:
1282 ret = get_errno(chdir((const char *)arg1));
1283 break;
1284 case TARGET_NR_time:
1285 {
1286 int *time_ptr = (int *)arg1;
1287 ret = get_errno(time((time_t *)time_ptr));
1288 if (!is_error(ret) && time_ptr)
1289 tswap32s(time_ptr);
1290 }
1291 break;
1292 case TARGET_NR_mknod:
1293 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1294 break;
1295 case TARGET_NR_chmod:
1296 ret = get_errno(chmod((const char *)arg1, arg2));
1297 break;
1298 case TARGET_NR_lchown:
1299 ret = get_errno(chown((const char *)arg1, arg2, arg3));
1300 break;
1301 case TARGET_NR_break:
1302 goto unimplemented;
1303 case TARGET_NR_oldstat:
1304 goto unimplemented;
1305 case TARGET_NR_lseek:
1306 ret = get_errno(lseek(arg1, arg2, arg3));
1307 break;
1308 case TARGET_NR_getpid:
1309 ret = get_errno(getpid());
1310 break;
1311 case TARGET_NR_mount:
1312 /* need to look at the data field */
1313 goto unimplemented;
1314 case TARGET_NR_umount:
1315 ret = get_errno(umount((const char *)arg1));
1316 break;
1317 case TARGET_NR_setuid:
1318 ret = get_errno(setuid(low2highuid(arg1)));
1319 break;
1320 case TARGET_NR_getuid:
1321 ret = get_errno(getuid());
1322 break;
1323 case TARGET_NR_stime:
1324 {
1325 int *time_ptr = (int *)arg1;
1326 if (time_ptr)
1327 tswap32s(time_ptr);
1328 ret = get_errno(stime((time_t *)time_ptr));
1329 }
1330 break;
1331 case TARGET_NR_ptrace:
1332 goto unimplemented;
1333 case TARGET_NR_alarm:
1334 ret = alarm(arg1);
1335 break;
1336 case TARGET_NR_oldfstat:
1337 goto unimplemented;
1338 case TARGET_NR_pause:
1339 ret = get_errno(pause());
1340 break;
1341 case TARGET_NR_utime:
1342 goto unimplemented;
1343 case TARGET_NR_stty:
1344 goto unimplemented;
1345 case TARGET_NR_gtty:
1346 goto unimplemented;
1347 case TARGET_NR_access:
1348 ret = get_errno(access((const char *)arg1, arg2));
1349 break;
1350 case TARGET_NR_nice:
1351 ret = get_errno(nice(arg1));
1352 break;
1353 case TARGET_NR_ftime:
1354 goto unimplemented;
1355 case TARGET_NR_sync:
1356 sync();
1357 ret = 0;
1358 break;
1359 case TARGET_NR_kill:
1360 ret = get_errno(kill(arg1, arg2));
1361 break;
1362 case TARGET_NR_rename:
1363 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1364 break;
1365 case TARGET_NR_mkdir:
1366 ret = get_errno(mkdir((const char *)arg1, arg2));
1367 break;
1368 case TARGET_NR_rmdir:
1369 ret = get_errno(rmdir((const char *)arg1));
1370 break;
1371 case TARGET_NR_dup:
1372 ret = get_errno(dup(arg1));
1373 break;
1374 case TARGET_NR_pipe:
1375 {
1376 int *pipe_ptr = (int *)arg1;
1377 ret = get_errno(pipe(pipe_ptr));
1378 if (!is_error(ret)) {
1379 tswap32s(&pipe_ptr[0]);
1380 tswap32s(&pipe_ptr[1]);
1381 }
1382 }
1383 break;
1384 case TARGET_NR_times:
1385 {
1386 struct target_tms *tmsp = (void *)arg1;
1387 struct tms tms;
1388 ret = get_errno(times(&tms));
1389 if (tmsp) {
1390 tmsp->tms_utime = tswapl(tms.tms_utime);
1391 tmsp->tms_stime = tswapl(tms.tms_stime);
1392 tmsp->tms_cutime = tswapl(tms.tms_cutime);
1393 tmsp->tms_cstime = tswapl(tms.tms_cstime);
1394 }
1395 }
1396 break;
1397 case TARGET_NR_prof:
1398 goto unimplemented;
1399 case TARGET_NR_setgid:
1400 ret = get_errno(setgid(low2highgid(arg1)));
1401 break;
1402 case TARGET_NR_getgid:
1403 ret = get_errno(getgid());
1404 break;
1405 case TARGET_NR_signal:
1406 goto unimplemented;
1407 case TARGET_NR_geteuid:
1408 ret = get_errno(geteuid());
1409 break;
1410 case TARGET_NR_getegid:
1411 ret = get_errno(getegid());
1412 break;
1413 case TARGET_NR_acct:
1414 goto unimplemented;
1415 case TARGET_NR_umount2:
1416 ret = get_errno(umount2((const char *)arg1, arg2));
1417 break;
1418 case TARGET_NR_lock:
1419 goto unimplemented;
1420 case TARGET_NR_ioctl:
1421 ret = do_ioctl(arg1, arg2, arg3);
1422 break;
1423 case TARGET_NR_fcntl:
1424 ret = get_errno(do_fcntl(arg1, arg2, arg3));
1425 break;
1426 case TARGET_NR_mpx:
1427 goto unimplemented;
1428 case TARGET_NR_setpgid:
1429 ret = get_errno(setpgid(arg1, arg2));
1430 break;
1431 case TARGET_NR_ulimit:
1432 goto unimplemented;
1433 case TARGET_NR_oldolduname:
1434 goto unimplemented;
1435 case TARGET_NR_umask:
1436 ret = get_errno(umask(arg1));
1437 break;
1438 case TARGET_NR_chroot:
1439 ret = get_errno(chroot((const char *)arg1));
1440 break;
1441 case TARGET_NR_ustat:
1442 goto unimplemented;
1443 case TARGET_NR_dup2:
1444 ret = get_errno(dup2(arg1, arg2));
1445 break;
1446 case TARGET_NR_getppid:
1447 ret = get_errno(getppid());
1448 break;
1449 case TARGET_NR_getpgrp:
1450 ret = get_errno(getpgrp());
1451 break;
1452 case TARGET_NR_setsid:
1453 ret = get_errno(setsid());
1454 break;
1455 case TARGET_NR_sigaction:
1456 {
1457 struct target_old_sigaction *old_act = (void *)arg2;
1458 struct target_old_sigaction *old_oact = (void *)arg3;
1459 struct target_sigaction act, oact, *pact;
1460 if (old_act) {
1461 act._sa_handler = old_act->_sa_handler;
1462 target_siginitset(&act.sa_mask, old_act->sa_mask);
1463 act.sa_flags = old_act->sa_flags;
1464 act.sa_restorer = old_act->sa_restorer;
1465 pact = &act;
1466 } else {
1467 pact = NULL;
1468 }
1469 ret = get_errno(do_sigaction(arg1, pact, &oact));
1470 if (!is_error(ret) && old_oact) {
1471 old_oact->_sa_handler = oact._sa_handler;
1472 old_oact->sa_mask = oact.sa_mask.sig[0];
1473 old_oact->sa_flags = oact.sa_flags;
1474 old_oact->sa_restorer = oact.sa_restorer;
1475 }
1476 }
1477 break;
1478 case TARGET_NR_rt_sigaction:
1479 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1480 break;
1481 case TARGET_NR_sgetmask:
1482 {
1483 sigset_t cur_set;
1484 target_ulong target_set;
1485 sigprocmask(0, NULL, &cur_set);
1486 host_to_target_old_sigset(&target_set, &cur_set);
1487 ret = target_set;
1488 }
1489 break;
1490 case TARGET_NR_ssetmask:
1491 {
1492 sigset_t set, oset, cur_set;
1493 target_ulong target_set = arg1;
1494 sigprocmask(0, NULL, &cur_set);
1495 target_to_host_old_sigset(&set, &target_set);
1496 sigorset(&set, &set, &cur_set);
1497 sigprocmask(SIG_SETMASK, &set, &oset);
1498 host_to_target_old_sigset(&target_set, &oset);
1499 ret = target_set;
1500 }
1501 break;
1502 case TARGET_NR_sigprocmask:
1503 {
1504 int how = arg1;
1505 sigset_t set, oldset, *set_ptr;
1506 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1507
1508 if (pset) {
1509 switch(how) {
1510 case TARGET_SIG_BLOCK:
1511 how = SIG_BLOCK;
1512 break;
1513 case TARGET_SIG_UNBLOCK:
1514 how = SIG_UNBLOCK;
1515 break;
1516 case TARGET_SIG_SETMASK:
1517 how = SIG_SETMASK;
1518 break;
1519 default:
1520 ret = -EINVAL;
1521 goto fail;
1522 }
1523 target_to_host_old_sigset(&set, pset);
1524 set_ptr = &set;
1525 } else {
1526 how = 0;
1527 set_ptr = NULL;
1528 }
1529 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1530 if (!is_error(ret) && poldset) {
1531 host_to_target_old_sigset(poldset, &oldset);
1532 }
1533 }
1534 break;
1535 case TARGET_NR_rt_sigprocmask:
1536 {
1537 int how = arg1;
1538 sigset_t set, oldset, *set_ptr;
1539 target_sigset_t *pset = (void *)arg2;
1540 target_sigset_t *poldset = (void *)arg3;
1541
1542 if (pset) {
1543 switch(how) {
1544 case TARGET_SIG_BLOCK:
1545 how = SIG_BLOCK;
1546 break;
1547 case TARGET_SIG_UNBLOCK:
1548 how = SIG_UNBLOCK;
1549 break;
1550 case TARGET_SIG_SETMASK:
1551 how = SIG_SETMASK;
1552 break;
1553 default:
1554 ret = -EINVAL;
1555 goto fail;
1556 }
1557 target_to_host_sigset(&set, pset);
1558 set_ptr = &set;
1559 } else {
1560 how = 0;
1561 set_ptr = NULL;
1562 }
1563 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1564 if (!is_error(ret) && poldset) {
1565 host_to_target_sigset(poldset, &oldset);
1566 }
1567 }
1568 break;
1569 case TARGET_NR_sigpending:
1570 {
1571 sigset_t set;
1572 ret = get_errno(sigpending(&set));
1573 if (!is_error(ret)) {
1574 host_to_target_old_sigset((target_ulong *)arg1, &set);
1575 }
1576 }
1577 break;
1578 case TARGET_NR_rt_sigpending:
1579 {
1580 sigset_t set;
1581 ret = get_errno(sigpending(&set));
1582 if (!is_error(ret)) {
1583 host_to_target_sigset((target_sigset_t *)arg1, &set);
1584 }
1585 }
1586 break;
1587 case TARGET_NR_sigsuspend:
1588 {
1589 sigset_t set;
1590 target_to_host_old_sigset(&set, (target_ulong *)arg1);
1591 ret = get_errno(sigsuspend(&set));
1592 }
1593 break;
1594 case TARGET_NR_rt_sigsuspend:
1595 {
1596 sigset_t set;
1597 target_to_host_sigset(&set, (target_sigset_t *)arg1);
1598 ret = get_errno(sigsuspend(&set));
1599 }
1600 break;
1601 case TARGET_NR_rt_sigtimedwait:
1602 {
1603 target_sigset_t *target_set = (void *)arg1;
1604 target_siginfo_t *target_uinfo = (void *)arg2;
1605 struct target_timespec *target_uts = (void *)arg3;
1606 sigset_t set;
1607 struct timespec uts, *puts;
1608 siginfo_t uinfo;
1609
1610 target_to_host_sigset(&set, target_set);
1611 if (target_uts) {
1612 puts = &uts;
1613 puts->tv_sec = tswapl(target_uts->tv_sec);
1614 puts->tv_nsec = tswapl(target_uts->tv_nsec);
1615 } else {
1616 puts = NULL;
1617 }
1618 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1619 if (!is_error(ret) && target_uinfo) {
1620 host_to_target_siginfo(target_uinfo, &uinfo);
1621 }
1622 }
1623 break;
1624 case TARGET_NR_rt_sigqueueinfo:
1625 {
1626 siginfo_t uinfo;
1627 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
1628 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
1629 }
1630 break;
1631 case TARGET_NR_sigreturn:
1632 /* NOTE: ret is eax, so not transcoding must be done */
1633 ret = do_sigreturn(cpu_env);
1634 break;
1635 case TARGET_NR_rt_sigreturn:
1636 /* NOTE: ret is eax, so not transcoding must be done */
1637 ret = do_rt_sigreturn(cpu_env);
1638 break;
1639 case TARGET_NR_setreuid:
1640 ret = get_errno(setreuid(arg1, arg2));
1641 break;
1642 case TARGET_NR_setregid:
1643 ret = get_errno(setregid(arg1, arg2));
1644 break;
1645 case TARGET_NR_sethostname:
1646 ret = get_errno(sethostname((const char *)arg1, arg2));
1647 break;
1648 case TARGET_NR_setrlimit:
1649 {
1650 /* XXX: convert resource ? */
1651 int resource = arg1;
1652 struct target_rlimit *target_rlim = (void *)arg2;
1653 struct rlimit rlim;
1654 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
1655 rlim.rlim_max = tswapl(target_rlim->rlim_max);
1656 ret = get_errno(setrlimit(resource, &rlim));
1657 }
1658 break;
1659 case TARGET_NR_getrlimit:
1660 {
1661 /* XXX: convert resource ? */
1662 int resource = arg1;
1663 struct target_rlimit *target_rlim = (void *)arg2;
1664 struct rlimit rlim;
1665
1666 ret = get_errno(getrlimit(resource, &rlim));
1667 if (!is_error(ret)) {
1668 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
1669 target_rlim->rlim_max = tswapl(rlim.rlim_max);
1670 }
1671 }
1672 break;
1673 case TARGET_NR_getrusage:
1674 {
1675 struct rusage rusage;
1676 struct target_rusage *target_rusage = (void *)arg2;
1677 ret = get_errno(getrusage(arg1, &rusage));
1678 if (!is_error(ret)) {
1679 host_to_target_rusage(target_rusage, &rusage);
1680 }
1681 }
1682 break;
1683 case TARGET_NR_gettimeofday:
1684 {
1685 struct target_timeval *target_tv = (void *)arg1;
1686 struct timeval tv;
1687 ret = get_errno(gettimeofday(&tv, NULL));
1688 if (!is_error(ret)) {
1689 host_to_target_timeval(target_tv, &tv);
1690 }
1691 }
1692 break;
1693 case TARGET_NR_settimeofday:
1694 {
1695 struct target_timeval *target_tv = (void *)arg1;
1696 struct timeval tv;
1697 target_to_host_timeval(&tv, target_tv);
1698 ret = get_errno(settimeofday(&tv, NULL));
1699 }
1700 break;
1701 case TARGET_NR_getgroups:
1702 {
1703 int gidsetsize = arg1;
1704 uint16_t *target_grouplist = (void *)arg2;
1705 gid_t *grouplist;
1706 int i;
1707
1708 grouplist = alloca(gidsetsize * sizeof(gid_t));
1709 ret = get_errno(getgroups(gidsetsize, grouplist));
1710 if (!is_error(ret)) {
1711 for(i = 0;i < gidsetsize; i++)
1712 target_grouplist[i] = tswap16(grouplist[i]);
1713 }
1714 }
1715 break;
1716 case TARGET_NR_setgroups:
1717 {
1718 int gidsetsize = arg1;
1719 uint16_t *target_grouplist = (void *)arg2;
1720 gid_t *grouplist;
1721 int i;
1722
1723 grouplist = alloca(gidsetsize * sizeof(gid_t));
1724 for(i = 0;i < gidsetsize; i++)
1725 grouplist[i] = tswap16(target_grouplist[i]);
1726 ret = get_errno(setgroups(gidsetsize, grouplist));
1727 }
1728 break;
1729 case TARGET_NR_select:
1730 goto unimplemented;
1731 case TARGET_NR_symlink:
1732 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
1733 break;
1734 case TARGET_NR_oldlstat:
1735 goto unimplemented;
1736 case TARGET_NR_readlink:
1737 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
1738 break;
1739 case TARGET_NR_uselib:
1740 goto unimplemented;
1741 case TARGET_NR_swapon:
1742 ret = get_errno(swapon((const char *)arg1, arg2));
1743 break;
1744 case TARGET_NR_reboot:
1745 goto unimplemented;
1746 case TARGET_NR_readdir:
1747 goto unimplemented;
1748 #ifdef TARGET_I386
1749 case TARGET_NR_mmap:
1750 {
1751 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
1752 vptr = (uint32_t *)arg1;
1753 v1 = tswap32(vptr[0]);
1754 v2 = tswap32(vptr[1]);
1755 v3 = tswap32(vptr[2]);
1756 v4 = tswap32(vptr[3]);
1757 v5 = tswap32(vptr[4]);
1758 v6 = tswap32(vptr[5]);
1759 ret = get_errno(target_mmap(v1, v2, v3,
1760 target_to_host_bitmask(v4, mmap_flags_tbl),
1761 v5, v6));
1762 }
1763 break;
1764 #endif
1765 #ifdef TARGET_I386
1766 case TARGET_NR_mmap2:
1767 #else
1768 case TARGET_NR_mmap:
1769 #endif
1770 ret = get_errno(target_mmap(arg1, arg2, arg3,
1771 target_to_host_bitmask(arg4, mmap_flags_tbl),
1772 arg5,
1773 arg6 << TARGET_PAGE_BITS));
1774 break;
1775 case TARGET_NR_munmap:
1776 ret = get_errno(target_munmap(arg1, arg2));
1777 break;
1778 case TARGET_NR_mprotect:
1779 ret = get_errno(target_mprotect(arg1, arg2, arg3));
1780 break;
1781 case TARGET_NR_mremap:
1782 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
1783 break;
1784 case TARGET_NR_msync:
1785 ret = get_errno(msync((void *)arg1, arg2, arg3));
1786 break;
1787 case TARGET_NR_mlock:
1788 ret = get_errno(mlock((void *)arg1, arg2));
1789 break;
1790 case TARGET_NR_munlock:
1791 ret = get_errno(munlock((void *)arg1, arg2));
1792 break;
1793 case TARGET_NR_mlockall:
1794 ret = get_errno(mlockall(arg1));
1795 break;
1796 case TARGET_NR_munlockall:
1797 ret = get_errno(munlockall());
1798 break;
1799 case TARGET_NR_truncate:
1800 ret = get_errno(truncate((const char *)arg1, arg2));
1801 break;
1802 case TARGET_NR_ftruncate:
1803 ret = get_errno(ftruncate(arg1, arg2));
1804 break;
1805 case TARGET_NR_fchmod:
1806 ret = get_errno(fchmod(arg1, arg2));
1807 break;
1808 case TARGET_NR_fchown:
1809 ret = get_errno(fchown(arg1, arg2, arg3));
1810 break;
1811 case TARGET_NR_getpriority:
1812 ret = get_errno(getpriority(arg1, arg2));
1813 break;
1814 case TARGET_NR_setpriority:
1815 ret = get_errno(setpriority(arg1, arg2, arg3));
1816 break;
1817 case TARGET_NR_profil:
1818 goto unimplemented;
1819 case TARGET_NR_statfs:
1820 stfs = (void *)arg2;
1821 ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
1822 convert_statfs:
1823 if (!is_error(ret)) {
1824 tswap32s(&stfs->f_type);
1825 tswap32s(&stfs->f_bsize);
1826 tswap32s(&stfs->f_blocks);
1827 tswap32s(&stfs->f_bfree);
1828 tswap32s(&stfs->f_bavail);
1829 tswap32s(&stfs->f_files);
1830 tswap32s(&stfs->f_ffree);
1831 tswap32s(&stfs->f_fsid.val[0]);
1832 tswap32s(&stfs->f_fsid.val[1]);
1833 tswap32s(&stfs->f_namelen);
1834 }
1835 break;
1836 case TARGET_NR_fstatfs:
1837 stfs = (void *)arg2;
1838 ret = get_errno(sys_fstatfs(arg1, stfs));
1839 goto convert_statfs;
1840 case TARGET_NR_ioperm:
1841 goto unimplemented;
1842 case TARGET_NR_socketcall:
1843 ret = do_socketcall(arg1, (int32_t *)arg2);
1844 break;
1845 case TARGET_NR_syslog:
1846 goto unimplemented;
1847 case TARGET_NR_setitimer:
1848 {
1849 struct target_itimerval *target_value = (void *)arg2;
1850 struct target_itimerval *target_ovalue = (void *)arg3;
1851 struct itimerval value, ovalue, *pvalue;
1852
1853 if (target_value) {
1854 pvalue = &value;
1855 target_to_host_timeval(&pvalue->it_interval,
1856 &target_value->it_interval);
1857 target_to_host_timeval(&pvalue->it_value,
1858 &target_value->it_value);
1859 } else {
1860 pvalue = NULL;
1861 }
1862 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1863 if (!is_error(ret) && target_ovalue) {
1864 host_to_target_timeval(&target_ovalue->it_interval,
1865 &ovalue.it_interval);
1866 host_to_target_timeval(&target_ovalue->it_value,
1867 &ovalue.it_value);
1868 }
1869 }
1870 break;
1871 case TARGET_NR_getitimer:
1872 {
1873 struct target_itimerval *target_value = (void *)arg2;
1874 struct itimerval value;
1875
1876 ret = get_errno(getitimer(arg1, &value));
1877 if (!is_error(ret) && target_value) {
1878 host_to_target_timeval(&target_value->it_interval,
1879 &value.it_interval);
1880 host_to_target_timeval(&target_value->it_value,
1881 &value.it_value);
1882 }
1883 }
1884 break;
1885 case TARGET_NR_stat:
1886 ret = get_errno(stat(path((const char *)arg1), &st));
1887 goto do_stat;
1888 case TARGET_NR_lstat:
1889 ret = get_errno(lstat(path((const char *)arg1), &st));
1890 goto do_stat;
1891 case TARGET_NR_fstat:
1892 {
1893 ret = get_errno(fstat(arg1, &st));
1894 do_stat:
1895 if (!is_error(ret)) {
1896 struct target_stat *target_st = (void *)arg2;
1897 target_st->st_dev = tswap16(st.st_dev);
1898 target_st->st_ino = tswapl(st.st_ino);
1899 target_st->st_mode = tswap16(st.st_mode);
1900 target_st->st_nlink = tswap16(st.st_nlink);
1901 target_st->st_uid = tswap16(st.st_uid);
1902 target_st->st_gid = tswap16(st.st_gid);
1903 target_st->st_rdev = tswap16(st.st_rdev);
1904 target_st->st_size = tswapl(st.st_size);
1905 target_st->st_blksize = tswapl(st.st_blksize);
1906 target_st->st_blocks = tswapl(st.st_blocks);
1907 target_st->target_st_atime = tswapl(st.st_atime);
1908 target_st->target_st_mtime = tswapl(st.st_mtime);
1909 target_st->target_st_ctime = tswapl(st.st_ctime);
1910 }
1911 }
1912 break;
1913 case TARGET_NR_olduname:
1914 goto unimplemented;
1915 case TARGET_NR_iopl:
1916 goto unimplemented;
1917 case TARGET_NR_vhangup:
1918 ret = get_errno(vhangup());
1919 break;
1920 case TARGET_NR_idle:
1921 goto unimplemented;
1922 case TARGET_NR_wait4:
1923 {
1924 int status;
1925 target_long *status_ptr = (void *)arg2;
1926 struct rusage rusage, *rusage_ptr;
1927 struct target_rusage *target_rusage = (void *)arg4;
1928 if (target_rusage)
1929 rusage_ptr = &rusage;
1930 else
1931 rusage_ptr = NULL;
1932 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
1933 if (!is_error(ret)) {
1934 if (status_ptr)
1935 *status_ptr = tswap32(status);
1936 if (target_rusage) {
1937 host_to_target_rusage(target_rusage, &rusage);
1938 }
1939 }
1940 }
1941 break;
1942 case TARGET_NR_swapoff:
1943 ret = get_errno(swapoff((const char *)arg1));
1944 break;
1945 case TARGET_NR_sysinfo:
1946 goto unimplemented;
1947 case TARGET_NR_ipc:
1948 goto unimplemented;
1949 case TARGET_NR_fsync:
1950 ret = get_errno(fsync(arg1));
1951 break;
1952 case TARGET_NR_clone:
1953 ret = get_errno(do_fork(cpu_env, arg1, arg2));
1954 break;
1955 #ifdef __NR_exit_group
1956 /* new thread calls */
1957 case TARGET_NR_exit_group:
1958 ret = get_errno(exit_group(arg1));
1959 break;
1960 #endif
1961 case TARGET_NR_setdomainname:
1962 ret = get_errno(setdomainname((const char *)arg1, arg2));
1963 break;
1964 case TARGET_NR_uname:
1965 /* no need to transcode because we use the linux syscall */
1966 ret = get_errno(sys_uname((struct new_utsname *)arg1));
1967 break;
1968 #ifdef TARGET_I386
1969 case TARGET_NR_modify_ldt:
1970 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
1971 break;
1972 case TARGET_NR_vm86old:
1973 goto unimplemented;
1974 case TARGET_NR_vm86:
1975 ret = do_vm86(cpu_env, arg1, (void *)arg2);
1976 break;
1977 #endif
1978 case TARGET_NR_adjtimex:
1979 goto unimplemented;
1980 case TARGET_NR_create_module:
1981 case TARGET_NR_init_module:
1982 case TARGET_NR_delete_module:
1983 case TARGET_NR_get_kernel_syms:
1984 goto unimplemented;
1985 case TARGET_NR_quotactl:
1986 goto unimplemented;
1987 case TARGET_NR_getpgid:
1988 ret = get_errno(getpgid(arg1));
1989 break;
1990 case TARGET_NR_fchdir:
1991 ret = get_errno(fchdir(arg1));
1992 break;
1993 case TARGET_NR_bdflush:
1994 goto unimplemented;
1995 case TARGET_NR_sysfs:
1996 goto unimplemented;
1997 case TARGET_NR_personality:
1998 ret = get_errno(personality(arg1));
1999 break;
2000 case TARGET_NR_afs_syscall:
2001 goto unimplemented;
2002 case TARGET_NR_setfsuid:
2003 ret = get_errno(setfsuid(arg1));
2004 break;
2005 case TARGET_NR_setfsgid:
2006 ret = get_errno(setfsgid(arg1));
2007 break;
2008 case TARGET_NR__llseek:
2009 {
2010 int64_t res;
2011 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2012 *(int64_t *)arg4 = tswap64(res);
2013 }
2014 break;
2015 case TARGET_NR_getdents:
2016 #if TARGET_LONG_SIZE != 4
2017 #error not supported
2018 #endif
2019 {
2020 struct dirent *dirp = (void *)arg2;
2021 long count = arg3;
2022
2023 ret = get_errno(sys_getdents(arg1, dirp, count));
2024 if (!is_error(ret)) {
2025 struct dirent *de;
2026 int len = ret;
2027 int reclen;
2028 de = dirp;
2029 while (len > 0) {
2030 reclen = de->d_reclen;
2031 if (reclen > len)
2032 break;
2033 de->d_reclen = tswap16(reclen);
2034 tswapls(&de->d_ino);
2035 tswapls(&de->d_off);
2036 de = (struct dirent *)((char *)de + reclen);
2037 len -= reclen;
2038 }
2039 }
2040 }
2041 break;
2042 case TARGET_NR_getdents64:
2043 {
2044 struct dirent64 *dirp = (void *)arg2;
2045 long count = arg3;
2046 ret = get_errno(sys_getdents64(arg1, dirp, count));
2047 if (!is_error(ret)) {
2048 struct dirent64 *de;
2049 int len = ret;
2050 int reclen;
2051 de = dirp;
2052 while (len > 0) {
2053 reclen = de->d_reclen;
2054 if (reclen > len)
2055 break;
2056 de->d_reclen = tswap16(reclen);
2057 tswap64s(&de->d_ino);
2058 tswap64s(&de->d_off);
2059 de = (struct dirent64 *)((char *)de + reclen);
2060 len -= reclen;
2061 }
2062 }
2063 }
2064 break;
2065 case TARGET_NR__newselect:
2066 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
2067 (void *)arg5);
2068 break;
2069 case TARGET_NR_poll:
2070 {
2071 struct target_pollfd *target_pfd = (void *)arg1;
2072 unsigned int nfds = arg2;
2073 int timeout = arg3;
2074 struct pollfd *pfd;
2075 unsigned int i;
2076
2077 pfd = alloca(sizeof(struct pollfd) * nfds);
2078 for(i = 0; i < nfds; i++) {
2079 pfd[i].fd = tswap32(target_pfd[i].fd);
2080 pfd[i].events = tswap16(target_pfd[i].events);
2081 }
2082 ret = get_errno(poll(pfd, nfds, timeout));
2083 if (!is_error(ret)) {
2084 for(i = 0; i < nfds; i++) {
2085 target_pfd[i].revents = tswap16(pfd[i].revents);
2086 }
2087 }
2088 }
2089 break;
2090 case TARGET_NR_flock:
2091 /* NOTE: the flock constant seems to be the same for every
2092 Linux platform */
2093 ret = get_errno(flock(arg1, arg2));
2094 break;
2095 case TARGET_NR_readv:
2096 {
2097 int count = arg3;
2098 int i;
2099 struct iovec *vec;
2100 struct target_iovec *target_vec = (void *)arg2;
2101
2102 vec = alloca(count * sizeof(struct iovec));
2103 for(i = 0;i < count; i++) {
2104 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2105 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2106 }
2107 ret = get_errno(readv(arg1, vec, count));
2108 }
2109 break;
2110 case TARGET_NR_writev:
2111 {
2112 int count = arg3;
2113 int i;
2114 struct iovec *vec;
2115 struct target_iovec *target_vec = (void *)arg2;
2116
2117 vec = alloca(count * sizeof(struct iovec));
2118 for(i = 0;i < count; i++) {
2119 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2120 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2121 }
2122 ret = get_errno(writev(arg1, vec, count));
2123 }
2124 break;
2125 case TARGET_NR_getsid:
2126 ret = get_errno(getsid(arg1));
2127 break;
2128 case TARGET_NR_fdatasync:
2129 ret = get_errno(fdatasync(arg1));
2130 break;
2131 case TARGET_NR__sysctl:
2132 goto unimplemented;
2133 case TARGET_NR_sched_setparam:
2134 {
2135 struct sched_param *target_schp = (void *)arg2;
2136 struct sched_param schp;
2137 schp.sched_priority = tswap32(target_schp->sched_priority);
2138 ret = get_errno(sched_setparam(arg1, &schp));
2139 }
2140 break;
2141 case TARGET_NR_sched_getparam:
2142 {
2143 struct sched_param *target_schp = (void *)arg2;
2144 struct sched_param schp;
2145 ret = get_errno(sched_getparam(arg1, &schp));
2146 if (!is_error(ret)) {
2147 target_schp->sched_priority = tswap32(schp.sched_priority);
2148 }
2149 }
2150 break;
2151 case TARGET_NR_sched_setscheduler:
2152 {
2153 struct sched_param *target_schp = (void *)arg3;
2154 struct sched_param schp;
2155 schp.sched_priority = tswap32(target_schp->sched_priority);
2156 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2157 }
2158 break;
2159 case TARGET_NR_sched_getscheduler:
2160 ret = get_errno(sched_getscheduler(arg1));
2161 break;
2162 case TARGET_NR_sched_yield:
2163 ret = get_errno(sched_yield());
2164 break;
2165 case TARGET_NR_sched_get_priority_max:
2166 ret = get_errno(sched_get_priority_max(arg1));
2167 break;
2168 case TARGET_NR_sched_get_priority_min:
2169 ret = get_errno(sched_get_priority_min(arg1));
2170 break;
2171 case TARGET_NR_sched_rr_get_interval:
2172 {
2173 struct target_timespec *target_ts = (void *)arg2;
2174 struct timespec ts;
2175 ret = get_errno(sched_rr_get_interval(arg1, &ts));
2176 if (!is_error(ret)) {
2177 target_ts->tv_sec = tswapl(ts.tv_sec);
2178 target_ts->tv_nsec = tswapl(ts.tv_nsec);
2179 }
2180 }
2181 break;
2182 case TARGET_NR_nanosleep:
2183 {
2184 struct target_timespec *target_req = (void *)arg1;
2185 struct target_timespec *target_rem = (void *)arg2;
2186 struct timespec req, rem;
2187 req.tv_sec = tswapl(target_req->tv_sec);
2188 req.tv_nsec = tswapl(target_req->tv_nsec);
2189 ret = get_errno(nanosleep(&req, &rem));
2190 if (target_rem) {
2191 target_rem->tv_sec = tswapl(rem.tv_sec);
2192 target_rem->tv_nsec = tswapl(rem.tv_nsec);
2193 }
2194 }
2195 break;
2196 case TARGET_NR_setresuid:
2197 ret = get_errno(setresuid(low2highuid(arg1),
2198 low2highuid(arg2),
2199 low2highuid(arg3)));
2200 break;
2201 case TARGET_NR_getresuid:
2202 {
2203 int ruid, euid, suid;
2204 ret = get_errno(getresuid(&ruid, &euid, &suid));
2205 if (!is_error(ret)) {
2206 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2207 *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2208 *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2209 }
2210 }
2211 break;
2212 case TARGET_NR_setresgid:
2213 ret = get_errno(setresgid(low2highgid(arg1),
2214 low2highgid(arg2),
2215 low2highgid(arg3)));
2216 break;
2217 case TARGET_NR_getresgid:
2218 {
2219 int rgid, egid, sgid;
2220 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2221 if (!is_error(ret)) {
2222 *(uint16_t *)arg1 = high2lowgid(tswap16(rgid));
2223 *(uint16_t *)arg2 = high2lowgid(tswap16(egid));
2224 *(uint16_t *)arg3 = high2lowgid(tswap16(sgid));
2225 }
2226 }
2227 break;
2228 case TARGET_NR_query_module:
2229 goto unimplemented;
2230 case TARGET_NR_nfsservctl:
2231 goto unimplemented;
2232 case TARGET_NR_prctl:
2233 goto unimplemented;
2234 case TARGET_NR_pread:
2235 page_unprotect_range((void *)arg2, arg3);
2236 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
2237 break;
2238 case TARGET_NR_pwrite:
2239 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
2240 break;
2241 case TARGET_NR_chown:
2242 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2243 break;
2244 case TARGET_NR_getcwd:
2245 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
2246 break;
2247 case TARGET_NR_capget:
2248 goto unimplemented;
2249 case TARGET_NR_capset:
2250 goto unimplemented;
2251 case TARGET_NR_sigaltstack:
2252 goto unimplemented;
2253 case TARGET_NR_sendfile:
2254 goto unimplemented;
2255 case TARGET_NR_getpmsg:
2256 goto unimplemented;
2257 case TARGET_NR_putpmsg:
2258 goto unimplemented;
2259 case TARGET_NR_vfork:
2260 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
2261 break;
2262 case TARGET_NR_ugetrlimit:
2263 {
2264 struct rlimit rlim;
2265 ret = get_errno(getrlimit(arg1, &rlim));
2266 if (!is_error(ret)) {
2267 struct target_rlimit *target_rlim = (void *)arg2;
2268 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2269 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2270 }
2271 break;
2272 }
2273 case TARGET_NR_truncate64:
2274 goto unimplemented;
2275 case TARGET_NR_ftruncate64:
2276 goto unimplemented;
2277 case TARGET_NR_stat64:
2278 ret = get_errno(stat(path((const char *)arg1), &st));
2279 goto do_stat64;
2280 case TARGET_NR_lstat64:
2281 ret = get_errno(lstat(path((const char *)arg1), &st));
2282 goto do_stat64;
2283 case TARGET_NR_fstat64:
2284 {
2285 ret = get_errno(fstat(arg1, &st));
2286 do_stat64:
2287 if (!is_error(ret)) {
2288 struct target_stat64 *target_st = (void *)arg2;
2289 memset(target_st, 0, sizeof(struct target_stat64));
2290 target_st->st_dev = tswap16(st.st_dev);
2291 target_st->st_ino = tswap64(st.st_ino);
2292 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2293 target_st->__st_ino = tswapl(st.st_ino);
2294 #endif
2295 target_st->st_mode = tswap32(st.st_mode);
2296 target_st->st_nlink = tswap32(st.st_nlink);
2297 target_st->st_uid = tswapl(st.st_uid);
2298 target_st->st_gid = tswapl(st.st_gid);
2299 target_st->st_rdev = tswap16(st.st_rdev);
2300 /* XXX: better use of kernel struct */
2301 target_st->st_size = tswap64(st.st_size);
2302 target_st->st_blksize = tswapl(st.st_blksize);
2303 target_st->st_blocks = tswapl(st.st_blocks);
2304 target_st->target_st_atime = tswapl(st.st_atime);
2305 target_st->target_st_mtime = tswapl(st.st_mtime);
2306 target_st->target_st_ctime = tswapl(st.st_ctime);
2307 }
2308 }
2309 break;
2310
2311 case TARGET_NR_lchown32:
2312 ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2313 break;
2314 case TARGET_NR_getuid32:
2315 ret = get_errno(getuid());
2316 break;
2317 case TARGET_NR_getgid32:
2318 ret = get_errno(getgid());
2319 break;
2320 case TARGET_NR_geteuid32:
2321 ret = get_errno(geteuid());
2322 break;
2323 case TARGET_NR_getegid32:
2324 ret = get_errno(getegid());
2325 break;
2326 case TARGET_NR_setreuid32:
2327 ret = get_errno(setreuid(arg1, arg2));
2328 break;
2329 case TARGET_NR_setregid32:
2330 ret = get_errno(setregid(arg1, arg2));
2331 break;
2332 case TARGET_NR_getgroups32:
2333 goto unimplemented;
2334 case TARGET_NR_setgroups32:
2335 goto unimplemented;
2336 case TARGET_NR_fchown32:
2337 ret = get_errno(fchown(arg1, arg2, arg3));
2338 break;
2339 case TARGET_NR_setresuid32:
2340 ret = get_errno(setresuid(arg1, arg2, arg3));
2341 break;
2342 case TARGET_NR_getresuid32:
2343 {
2344 int ruid, euid, suid;
2345 ret = get_errno(getresuid(&ruid, &euid, &suid));
2346 if (!is_error(ret)) {
2347 *(uint32_t *)arg1 = tswap32(ruid);
2348 *(uint32_t *)arg2 = tswap32(euid);
2349 *(uint32_t *)arg3 = tswap32(suid);
2350 }
2351 }
2352 break;
2353 case TARGET_NR_setresgid32:
2354 ret = get_errno(setresgid(arg1, arg2, arg3));
2355 break;
2356 case TARGET_NR_getresgid32:
2357 {
2358 int rgid, egid, sgid;
2359 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2360 if (!is_error(ret)) {
2361 *(uint32_t *)arg1 = tswap32(rgid);
2362 *(uint32_t *)arg2 = tswap32(egid);
2363 *(uint32_t *)arg3 = tswap32(sgid);
2364 }
2365 }
2366 break;
2367 case TARGET_NR_chown32:
2368 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2369 break;
2370 case TARGET_NR_setuid32:
2371 ret = get_errno(setuid(arg1));
2372 break;
2373 case TARGET_NR_setgid32:
2374 ret = get_errno(setgid(arg1));
2375 break;
2376 case TARGET_NR_setfsuid32:
2377 ret = get_errno(setfsuid(arg1));
2378 break;
2379 case TARGET_NR_setfsgid32:
2380 ret = get_errno(setfsgid(arg1));
2381 break;
2382 case TARGET_NR_pivot_root:
2383 goto unimplemented;
2384 case TARGET_NR_mincore:
2385 goto unimplemented;
2386 case TARGET_NR_madvise:
2387 goto unimplemented;
2388 #if TARGET_LONG_BITS == 32
2389 case TARGET_NR_fcntl64:
2390 {
2391 struct flock64 fl;
2392 struct target_flock64 *target_fl = (void *)arg3;
2393
2394 switch(arg2) {
2395 case F_GETLK64:
2396 ret = get_errno(fcntl(arg1, arg2, &fl));
2397 if (ret == 0) {
2398 target_fl->l_type = tswap16(fl.l_type);
2399 target_fl->l_whence = tswap16(fl.l_whence);
2400 target_fl->l_start = tswap64(fl.l_start);
2401 target_fl->l_len = tswap64(fl.l_len);
2402 target_fl->l_pid = tswapl(fl.l_pid);
2403 }
2404 break;
2405
2406 case F_SETLK64:
2407 case F_SETLKW64:
2408 fl.l_type = tswap16(target_fl->l_type);
2409 fl.l_whence = tswap16(target_fl->l_whence);
2410 fl.l_start = tswap64(target_fl->l_start);
2411 fl.l_len = tswap64(target_fl->l_len);
2412 fl.l_pid = tswapl(target_fl->l_pid);
2413 ret = get_errno(fcntl(arg1, arg2, &fl));
2414 break;
2415 default:
2416 ret = get_errno(do_fcntl(arg1, arg2, arg3));
2417 break;
2418 }
2419 break;
2420 }
2421 #endif
2422 case TARGET_NR_security:
2423 goto unimplemented;
2424 case TARGET_NR_gettid:
2425 ret = get_errno(gettid());
2426 break;
2427 case TARGET_NR_readahead:
2428 goto unimplemented;
2429 case TARGET_NR_setxattr:
2430 case TARGET_NR_lsetxattr:
2431 case TARGET_NR_fsetxattr:
2432 case TARGET_NR_getxattr:
2433 case TARGET_NR_lgetxattr:
2434 case TARGET_NR_fgetxattr:
2435 case TARGET_NR_listxattr:
2436 case TARGET_NR_llistxattr:
2437 case TARGET_NR_flistxattr:
2438 case TARGET_NR_removexattr:
2439 case TARGET_NR_lremovexattr:
2440 case TARGET_NR_fremovexattr:
2441 goto unimplemented_nowarn;
2442 case TARGET_NR_set_thread_area:
2443 case TARGET_NR_get_thread_area:
2444 goto unimplemented_nowarn;
2445 default:
2446 unimplemented:
2447 gemu_log("qemu: Unsupported syscall: %d\n", num);
2448 unimplemented_nowarn:
2449 ret = -ENOSYS;
2450 break;
2451 }
2452 fail:
2453 return ret;
2454 }
2455
Qemu copy for testing