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ia64 support - fcntl uses TARGET_ constants
[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/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
62 #include "qemu.h"
63
64 //#define DEBUG
65
66 #ifndef PAGE_SIZE
67 #define PAGE_SIZE 4096
68 #define PAGE_MASK ~(PAGE_SIZE - 1)
69 #endif
70
71 //#include <linux/msdos_fs.h>
72 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
73 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
74
75 void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
76 void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
77 long do_sigreturn(CPUX86State *env);
78 long do_rt_sigreturn(CPUX86State *env);
79
80 #define __NR_sys_uname __NR_uname
81 #define __NR_sys_getcwd1 __NR_getcwd
82 #define __NR_sys_statfs __NR_statfs
83 #define __NR_sys_fstatfs __NR_fstatfs
84 #define __NR_sys_getdents __NR_getdents
85 #define __NR_sys_getdents64 __NR_getdents64
86 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
87
88 #if defined(__alpha__) || defined (__ia64__)
89 #define __NR__llseek __NR_lseek
90 #endif
91
92 #ifdef __NR_gettid
93 _syscall0(int, gettid)
94 #else
95 static int gettid(void) {
96 return -ENOSYS;
97 }
98 #endif
99 _syscall1(int,sys_uname,struct new_utsname *,buf)
100 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
101 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
102 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
103 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
104 loff_t *, res, uint, wh);
105 _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
106 _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
107 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
108 #ifdef __NR_exit_group
109 _syscall1(int,exit_group,int,error_code)
110 #endif
111
112 extern int personality(int);
113 extern int flock(int, int);
114 extern int setfsuid(int);
115 extern int setfsgid(int);
116 extern int setresuid(uid_t, uid_t, uid_t);
117 extern int getresuid(uid_t *, uid_t *, uid_t *);
118 extern int setresgid(gid_t, gid_t, gid_t);
119 extern int getresgid(gid_t *, gid_t *, gid_t *);
120
121 static inline long get_errno(long ret)
122 {
123 if (ret == -1)
124 return -errno;
125 else
126 return ret;
127 }
128
129 static inline int is_error(long ret)
130 {
131 return (unsigned long)ret >= (unsigned long)(-4096);
132 }
133
134 static char *target_brk;
135 static char *target_original_brk;
136
137 void target_set_brk(char *new_brk)
138 {
139 target_brk = new_brk;
140 target_original_brk = new_brk;
141 }
142
143 static long do_brk(char *new_brk)
144 {
145 char *brk_page;
146 long mapped_addr;
147 int new_alloc_size;
148
149 if (!new_brk)
150 return (long)target_brk;
151 if (new_brk < target_original_brk)
152 return -ENOMEM;
153
154 brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK);
155
156 /* If the new brk is less than this, set it and we're done... */
157 if (new_brk < brk_page) {
158 target_brk = new_brk;
159 return (long)target_brk;
160 }
161
162 /* We need to allocate more memory after the brk... */
163 new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK;
164 mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size,
165 PROT_READ|PROT_WRITE,
166 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
167
168 if (is_error(mapped_addr)) {
169 return mapped_addr;
170 } else {
171 target_brk = new_brk;
172 return (long)target_brk;
173 }
174 }
175
176 static inline fd_set *target_to_host_fds(fd_set *fds,
177 target_long *target_fds, int n)
178 {
179 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
180 return (fd_set *)target_fds;
181 #else
182 int i, b;
183 if (target_fds) {
184 FD_ZERO(fds);
185 for(i = 0;i < n; i++) {
186 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
187 (i & (TARGET_LONG_BITS - 1))) & 1;
188 if (b)
189 FD_SET(i, fds);
190 }
191 return fds;
192 } else {
193 return NULL;
194 }
195 #endif
196 }
197
198 static inline void host_to_target_fds(target_long *target_fds,
199 fd_set *fds, int n)
200 {
201 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
202 /* nothing to do */
203 #else
204 int i, nw, j, k;
205 target_long v;
206
207 if (target_fds) {
208 nw = n / TARGET_LONG_BITS;
209 k = 0;
210 for(i = 0;i < nw; i++) {
211 v = 0;
212 for(j = 0; j < TARGET_LONG_BITS; j++) {
213 v |= ((FD_ISSET(k, fds) != 0) << j);
214 k++;
215 }
216 target_fds[i] = tswapl(v);
217 }
218 }
219 #endif
220 }
221
222 static inline void target_to_host_timeval(struct timeval *tv,
223 const struct target_timeval *target_tv)
224 {
225 tv->tv_sec = tswapl(target_tv->tv_sec);
226 tv->tv_usec = tswapl(target_tv->tv_usec);
227 }
228
229 static inline void host_to_target_timeval(struct target_timeval *target_tv,
230 const struct timeval *tv)
231 {
232 target_tv->tv_sec = tswapl(tv->tv_sec);
233 target_tv->tv_usec = tswapl(tv->tv_usec);
234 }
235
236
237 static long do_select(long n,
238 target_long *target_rfds, target_long *target_wfds,
239 target_long *target_efds, struct target_timeval *target_tv)
240 {
241 fd_set rfds, wfds, efds;
242 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
243 struct timeval tv, *tv_ptr;
244 long ret;
245
246 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
247 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
248 efds_ptr = target_to_host_fds(&efds, target_efds, n);
249
250 if (target_tv) {
251 target_to_host_timeval(&tv, target_tv);
252 tv_ptr = &tv;
253 } else {
254 tv_ptr = NULL;
255 }
256 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
257 if (!is_error(ret)) {
258 host_to_target_fds(target_rfds, rfds_ptr, n);
259 host_to_target_fds(target_wfds, wfds_ptr, n);
260 host_to_target_fds(target_efds, efds_ptr, n);
261
262 if (target_tv) {
263 host_to_target_timeval(target_tv, &tv);
264 }
265 }
266 return ret;
267 }
268
269 static inline void target_to_host_sockaddr(struct sockaddr *addr,
270 struct target_sockaddr *target_addr,
271 socklen_t len)
272 {
273 memcpy(addr, target_addr, len);
274 addr->sa_family = tswap16(target_addr->sa_family);
275 }
276
277 static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
278 struct sockaddr *addr,
279 socklen_t len)
280 {
281 memcpy(target_addr, addr, len);
282 target_addr->sa_family = tswap16(addr->sa_family);
283 }
284
285 static inline void target_to_host_cmsg(struct msghdr *msgh,
286 struct target_msghdr *target_msgh)
287 {
288 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
289 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
290 socklen_t space = 0;
291
292 while (cmsg && target_cmsg) {
293 void *data = CMSG_DATA(cmsg);
294 void *target_data = TARGET_CMSG_DATA(target_cmsg);
295
296 int len = tswapl(target_cmsg->cmsg_len)
297 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
298
299 space += CMSG_SPACE(len);
300 if (space > msgh->msg_controllen) {
301 space -= CMSG_SPACE(len);
302 gemu_log("Host cmsg overflow");
303 break;
304 }
305
306 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
307 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
308 cmsg->cmsg_len = CMSG_LEN(len);
309
310 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
311 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
312 memcpy(data, target_data, len);
313 } else {
314 int *fd = (int *)data;
315 int *target_fd = (int *)target_data;
316 int i, numfds = len / sizeof(int);
317
318 for (i = 0; i < numfds; i++)
319 fd[i] = tswap32(target_fd[i]);
320 }
321
322 cmsg = CMSG_NXTHDR(msgh, cmsg);
323 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
324 }
325
326 msgh->msg_controllen = space;
327 }
328
329 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
330 struct msghdr *msgh)
331 {
332 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
333 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
334 socklen_t space = 0;
335
336 while (cmsg && target_cmsg) {
337 void *data = CMSG_DATA(cmsg);
338 void *target_data = TARGET_CMSG_DATA(target_cmsg);
339
340 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
341
342 space += TARGET_CMSG_SPACE(len);
343 if (space > tswapl(target_msgh->msg_controllen)) {
344 space -= TARGET_CMSG_SPACE(len);
345 gemu_log("Target cmsg overflow");
346 break;
347 }
348
349 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
350 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
351 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
352
353 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
354 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
355 memcpy(target_data, data, len);
356 } else {
357 int *fd = (int *)data;
358 int *target_fd = (int *)target_data;
359 int i, numfds = len / sizeof(int);
360
361 for (i = 0; i < numfds; i++)
362 target_fd[i] = tswap32(fd[i]);
363 }
364
365 cmsg = CMSG_NXTHDR(msgh, cmsg);
366 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
367 }
368
369 msgh->msg_controllen = tswapl(space);
370 }
371
372 static long do_setsockopt(int sockfd, int level, int optname,
373 void *optval, socklen_t optlen)
374 {
375 if (level == SOL_TCP) {
376 /* TCP options all take an 'int' value. */
377 int val;
378
379 if (optlen < sizeof(uint32_t))
380 return -EINVAL;
381
382 val = tswap32(*(uint32_t *)optval);
383 return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
384 }
385
386 else if (level != SOL_SOCKET) {
387 gemu_log("Unsupported setsockopt level: %d\n", level);
388 return -ENOSYS;
389 }
390
391 switch (optname) {
392 /* Options with 'int' argument. */
393 case SO_DEBUG:
394 case SO_REUSEADDR:
395 case SO_TYPE:
396 case SO_ERROR:
397 case SO_DONTROUTE:
398 case SO_BROADCAST:
399 case SO_SNDBUF:
400 case SO_RCVBUF:
401 case SO_KEEPALIVE:
402 case SO_OOBINLINE:
403 case SO_NO_CHECK:
404 case SO_PRIORITY:
405 case SO_BSDCOMPAT:
406 case SO_PASSCRED:
407 case SO_TIMESTAMP:
408 case SO_RCVLOWAT:
409 case SO_RCVTIMEO:
410 case SO_SNDTIMEO:
411 {
412 int val;
413 if (optlen < sizeof(uint32_t))
414 return -EINVAL;
415 val = tswap32(*(uint32_t *)optval);
416 return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
417 }
418
419 default:
420 gemu_log("Unsupported setsockopt SOL_SOCKET option: %d\n", optname);
421 return -ENOSYS;
422 }
423 }
424
425 static long do_getsockopt(int sockfd, int level, int optname,
426 void *optval, socklen_t *optlen)
427 {
428 gemu_log("getsockopt not yet supported\n");
429 return -ENOSYS;
430 }
431
432 static long do_socketcall(int num, int32_t *vptr)
433 {
434 long ret;
435
436 switch(num) {
437 case SOCKOP_socket:
438 {
439 int domain = tswap32(vptr[0]);
440 int type = tswap32(vptr[1]);
441 int protocol = tswap32(vptr[2]);
442
443 ret = get_errno(socket(domain, type, protocol));
444 }
445 break;
446 case SOCKOP_bind:
447 {
448 int sockfd = tswap32(vptr[0]);
449 void *target_addr = (void *)tswap32(vptr[1]);
450 socklen_t addrlen = tswap32(vptr[2]);
451 void *addr = alloca(addrlen);
452
453 target_to_host_sockaddr(addr, target_addr, addrlen);
454 ret = get_errno(bind(sockfd, addr, addrlen));
455 }
456 break;
457 case SOCKOP_connect:
458 {
459 int sockfd = tswap32(vptr[0]);
460 void *target_addr = (void *)tswap32(vptr[1]);
461 socklen_t addrlen = tswap32(vptr[2]);
462 void *addr = alloca(addrlen);
463
464 target_to_host_sockaddr(addr, target_addr, addrlen);
465 ret = get_errno(connect(sockfd, addr, addrlen));
466 }
467 break;
468 case SOCKOP_listen:
469 {
470 int sockfd = tswap32(vptr[0]);
471 int backlog = tswap32(vptr[1]);
472
473 ret = get_errno(listen(sockfd, backlog));
474 }
475 break;
476 case SOCKOP_accept:
477 {
478 int sockfd = tswap32(vptr[0]);
479 void *target_addr = (void *)tswap32(vptr[1]);
480 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
481 socklen_t addrlen = tswap32(*target_addrlen);
482 void *addr = alloca(addrlen);
483
484 ret = get_errno(accept(sockfd, addr, &addrlen));
485 if (!is_error(ret)) {
486 host_to_target_sockaddr(target_addr, addr, addrlen);
487 *target_addrlen = tswap32(addrlen);
488 }
489 }
490 break;
491 case SOCKOP_getsockname:
492 {
493 int sockfd = tswap32(vptr[0]);
494 void *target_addr = (void *)tswap32(vptr[1]);
495 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
496 socklen_t addrlen = tswap32(*target_addrlen);
497 void *addr = alloca(addrlen);
498
499 ret = get_errno(getsockname(sockfd, addr, &addrlen));
500 if (!is_error(ret)) {
501 host_to_target_sockaddr(target_addr, addr, addrlen);
502 *target_addrlen = tswap32(addrlen);
503 }
504 }
505 break;
506 case SOCKOP_getpeername:
507 {
508 int sockfd = tswap32(vptr[0]);
509 void *target_addr = (void *)tswap32(vptr[1]);
510 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
511 socklen_t addrlen = tswap32(*target_addrlen);
512 void *addr = alloca(addrlen);
513
514 ret = get_errno(getpeername(sockfd, addr, &addrlen));
515 if (!is_error(ret)) {
516 host_to_target_sockaddr(target_addr, addr, addrlen);
517 *target_addrlen = tswap32(addrlen);
518 }
519 }
520 break;
521 case SOCKOP_socketpair:
522 {
523 int domain = tswap32(vptr[0]);
524 int type = tswap32(vptr[1]);
525 int protocol = tswap32(vptr[2]);
526 int32_t *target_tab = (void *)tswap32(vptr[3]);
527 int tab[2];
528
529 ret = get_errno(socketpair(domain, type, protocol, tab));
530 if (!is_error(ret)) {
531 target_tab[0] = tswap32(tab[0]);
532 target_tab[1] = tswap32(tab[1]);
533 }
534 }
535 break;
536 case SOCKOP_send:
537 {
538 int sockfd = tswap32(vptr[0]);
539 void *msg = (void *)tswap32(vptr[1]);
540 size_t len = tswap32(vptr[2]);
541 int flags = tswap32(vptr[3]);
542
543 ret = get_errno(send(sockfd, msg, len, flags));
544 }
545 break;
546 case SOCKOP_recv:
547 {
548 int sockfd = tswap32(vptr[0]);
549 void *msg = (void *)tswap32(vptr[1]);
550 size_t len = tswap32(vptr[2]);
551 int flags = tswap32(vptr[3]);
552
553 ret = get_errno(recv(sockfd, msg, len, flags));
554 }
555 break;
556 case SOCKOP_sendto:
557 {
558 int sockfd = tswap32(vptr[0]);
559 void *msg = (void *)tswap32(vptr[1]);
560 size_t len = tswap32(vptr[2]);
561 int flags = tswap32(vptr[3]);
562 void *target_addr = (void *)tswap32(vptr[4]);
563 socklen_t addrlen = tswap32(vptr[5]);
564 void *addr = alloca(addrlen);
565
566 target_to_host_sockaddr(addr, target_addr, addrlen);
567 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
568 }
569 break;
570 case SOCKOP_recvfrom:
571 {
572 int sockfd = tswap32(vptr[0]);
573 void *msg = (void *)tswap32(vptr[1]);
574 size_t len = tswap32(vptr[2]);
575 int flags = tswap32(vptr[3]);
576 void *target_addr = (void *)tswap32(vptr[4]);
577 uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
578 socklen_t addrlen = tswap32(*target_addrlen);
579 void *addr = alloca(addrlen);
580
581 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
582 if (!is_error(ret)) {
583 host_to_target_sockaddr(target_addr, addr, addrlen);
584 *target_addrlen = tswap32(addrlen);
585 }
586 }
587 break;
588 case SOCKOP_shutdown:
589 {
590 int sockfd = tswap32(vptr[0]);
591 int how = tswap32(vptr[1]);
592
593 ret = get_errno(shutdown(sockfd, how));
594 }
595 break;
596 case SOCKOP_sendmsg:
597 case SOCKOP_recvmsg:
598 {
599 int fd;
600 struct target_msghdr *msgp;
601 struct msghdr msg;
602 int flags, count, i;
603 struct iovec *vec;
604 struct target_iovec *target_vec;
605
606 msgp = (void *)tswap32(vptr[1]);
607 msg.msg_name = (void *)tswapl(msgp->msg_name);
608 msg.msg_namelen = tswapl(msgp->msg_namelen);
609 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
610 msg.msg_control = alloca(msg.msg_controllen);
611 msg.msg_flags = tswap32(msgp->msg_flags);
612
613 count = tswapl(msgp->msg_iovlen);
614 vec = alloca(count * sizeof(struct iovec));
615 target_vec = (void *)tswapl(msgp->msg_iov);
616 for(i = 0;i < count; i++) {
617 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
618 vec[i].iov_len = tswapl(target_vec[i].iov_len);
619 }
620 msg.msg_iovlen = count;
621 msg.msg_iov = vec;
622
623 fd = tswap32(vptr[0]);
624 flags = tswap32(vptr[2]);
625 if (num == SOCKOP_sendmsg) {
626 target_to_host_cmsg(&msg, msgp);
627 ret = get_errno(sendmsg(fd, &msg, flags));
628 } else {
629 ret = get_errno(recvmsg(fd, &msg, flags));
630 if (!is_error(ret))
631 host_to_target_cmsg(msgp, &msg);
632 }
633 }
634 break;
635 case SOCKOP_setsockopt:
636 {
637 int sockfd = tswap32(vptr[0]);
638 int level = tswap32(vptr[1]);
639 int optname = tswap32(vptr[2]);
640 void *optval = (void *)tswap32(vptr[3]);
641 socklen_t optlen = tswap32(vptr[4]);
642
643 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
644 }
645 break;
646 case SOCKOP_getsockopt:
647 {
648 int sockfd = tswap32(vptr[0]);
649 int level = tswap32(vptr[1]);
650 int optname = tswap32(vptr[2]);
651 void *optval = (void *)tswap32(vptr[3]);
652 uint32_t *target_len = (void *)tswap32(vptr[4]);
653 socklen_t optlen = tswap32(*target_len);
654
655 ret = do_getsockopt(sockfd, level, optname, optval, &optlen);
656 if (!is_error(ret))
657 *target_len = tswap32(optlen);
658 }
659 break;
660 default:
661 gemu_log("Unsupported socketcall: %d\n", num);
662 ret = -ENOSYS;
663 break;
664 }
665 return ret;
666 }
667
668 /* kernel structure types definitions */
669 #define IFNAMSIZ 16
670
671 #define STRUCT(name, list...) STRUCT_ ## name,
672 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
673 enum {
674 #include "syscall_types.h"
675 };
676 #undef STRUCT
677 #undef STRUCT_SPECIAL
678
679 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
680 #define STRUCT_SPECIAL(name)
681 #include "syscall_types.h"
682 #undef STRUCT
683 #undef STRUCT_SPECIAL
684
685 typedef struct IOCTLEntry {
686 int target_cmd;
687 int host_cmd;
688 const char *name;
689 int access;
690 const argtype arg_type[5];
691 } IOCTLEntry;
692
693 #define IOC_R 0x0001
694 #define IOC_W 0x0002
695 #define IOC_RW (IOC_R | IOC_W)
696
697 #define MAX_STRUCT_SIZE 4096
698
699 const IOCTLEntry ioctl_entries[] = {
700 #define IOCTL(cmd, access, types...) \
701 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
702 #include "ioctls.h"
703 { 0, 0, },
704 };
705
706 static long do_ioctl(long fd, long cmd, long arg)
707 {
708 const IOCTLEntry *ie;
709 const argtype *arg_type;
710 long ret;
711 uint8_t buf_temp[MAX_STRUCT_SIZE];
712
713 ie = ioctl_entries;
714 for(;;) {
715 if (ie->target_cmd == 0) {
716 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
717 return -ENOSYS;
718 }
719 if (ie->target_cmd == cmd)
720 break;
721 ie++;
722 }
723 arg_type = ie->arg_type;
724 #if defined(DEBUG)
725 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
726 #endif
727 switch(arg_type[0]) {
728 case TYPE_NULL:
729 /* no argument */
730 ret = get_errno(ioctl(fd, ie->host_cmd));
731 break;
732 case TYPE_PTRVOID:
733 case TYPE_INT:
734 /* int argment */
735 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
736 break;
737 case TYPE_PTR:
738 arg_type++;
739 switch(ie->access) {
740 case IOC_R:
741 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
742 if (!is_error(ret)) {
743 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
744 }
745 break;
746 case IOC_W:
747 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
748 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
749 break;
750 default:
751 case IOC_RW:
752 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
753 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
754 if (!is_error(ret)) {
755 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
756 }
757 break;
758 }
759 break;
760 default:
761 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
762 ret = -ENOSYS;
763 break;
764 }
765 return ret;
766 }
767
768 bitmask_transtbl iflag_tbl[] = {
769 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
770 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
771 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
772 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
773 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
774 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
775 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
776 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
777 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
778 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
779 { TARGET_IXON, TARGET_IXON, IXON, IXON },
780 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
781 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
782 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
783 { 0, 0, 0, 0 }
784 };
785
786 bitmask_transtbl oflag_tbl[] = {
787 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
788 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
789 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
790 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
791 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
792 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
793 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
794 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
795 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
796 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
797 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
798 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
799 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
800 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
801 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
802 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
803 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
804 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
805 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
806 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
807 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
808 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
809 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
810 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
811 { 0, 0, 0, 0 }
812 };
813
814 bitmask_transtbl cflag_tbl[] = {
815 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
816 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
817 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
818 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
819 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
820 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
821 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
822 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
823 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
824 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
825 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
826 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
827 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
828 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
829 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
830 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
831 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
832 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
833 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
834 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
835 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
836 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
837 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
838 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
839 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
840 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
841 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
842 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
843 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
844 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
845 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
846 { 0, 0, 0, 0 }
847 };
848
849 bitmask_transtbl lflag_tbl[] = {
850 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
851 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
852 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
853 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
854 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
855 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
856 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
857 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
858 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
859 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
860 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
861 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
862 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
863 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
864 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
865 { 0, 0, 0, 0 }
866 };
867
868 static void target_to_host_termios (void *dst, const void *src)
869 {
870 struct host_termios *host = dst;
871 const struct target_termios *target = src;
872
873 host->c_iflag =
874 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
875 host->c_oflag =
876 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
877 host->c_cflag =
878 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
879 host->c_lflag =
880 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
881 host->c_line = target->c_line;
882
883 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
884 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
885 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
886 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
887 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
888 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
889 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
890 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
891 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
892 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
893 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
894 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
895 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
896 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
897 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
898 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
899 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
900 }
901
902 static void host_to_target_termios (void *dst, const void *src)
903 {
904 struct target_termios *target = dst;
905 const struct host_termios *host = src;
906
907 target->c_iflag =
908 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
909 target->c_oflag =
910 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
911 target->c_cflag =
912 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
913 target->c_lflag =
914 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
915 target->c_line = host->c_line;
916
917 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
918 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
919 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
920 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
921 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
922 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
923 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
924 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
925 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
926 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
927 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
928 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
929 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
930 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
931 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
932 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
933 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
934 }
935
936 StructEntry struct_termios_def = {
937 .convert = { host_to_target_termios, target_to_host_termios },
938 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
939 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
940 };
941
942 #ifdef TARGET_I386
943
944 /* NOTE: there is really one LDT for all the threads */
945 uint8_t *ldt_table;
946
947 static int read_ldt(void *ptr, unsigned long bytecount)
948 {
949 int size;
950
951 if (!ldt_table)
952 return 0;
953 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
954 if (size > bytecount)
955 size = bytecount;
956 memcpy(ptr, ldt_table, size);
957 return size;
958 }
959
960 /* XXX: add locking support */
961 static int write_ldt(CPUX86State *env,
962 void *ptr, unsigned long bytecount, int oldmode)
963 {
964 struct target_modify_ldt_ldt_s ldt_info;
965 int seg_32bit, contents, read_exec_only, limit_in_pages;
966 int seg_not_present, useable;
967 uint32_t *lp, entry_1, entry_2;
968
969 if (bytecount != sizeof(ldt_info))
970 return -EINVAL;
971 memcpy(&ldt_info, ptr, sizeof(ldt_info));
972 tswap32s(&ldt_info.entry_number);
973 tswapls((long *)&ldt_info.base_addr);
974 tswap32s(&ldt_info.limit);
975 tswap32s(&ldt_info.flags);
976
977 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
978 return -EINVAL;
979 seg_32bit = ldt_info.flags & 1;
980 contents = (ldt_info.flags >> 1) & 3;
981 read_exec_only = (ldt_info.flags >> 3) & 1;
982 limit_in_pages = (ldt_info.flags >> 4) & 1;
983 seg_not_present = (ldt_info.flags >> 5) & 1;
984 useable = (ldt_info.flags >> 6) & 1;
985
986 if (contents == 3) {
987 if (oldmode)
988 return -EINVAL;
989 if (seg_not_present == 0)
990 return -EINVAL;
991 }
992 /* allocate the LDT */
993 if (!ldt_table) {
994 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
995 if (!ldt_table)
996 return -ENOMEM;
997 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
998 env->ldt.base = ldt_table;
999 env->ldt.limit = 0xffff;
1000 }
1001
1002 /* NOTE: same code as Linux kernel */
1003 /* Allow LDTs to be cleared by the user. */
1004 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1005 if (oldmode ||
1006 (contents == 0 &&
1007 read_exec_only == 1 &&
1008 seg_32bit == 0 &&
1009 limit_in_pages == 0 &&
1010 seg_not_present == 1 &&
1011 useable == 0 )) {
1012 entry_1 = 0;
1013 entry_2 = 0;
1014 goto install;
1015 }
1016 }
1017
1018 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1019 (ldt_info.limit & 0x0ffff);
1020 entry_2 = (ldt_info.base_addr & 0xff000000) |
1021 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1022 (ldt_info.limit & 0xf0000) |
1023 ((read_exec_only ^ 1) << 9) |
1024 (contents << 10) |
1025 ((seg_not_present ^ 1) << 15) |
1026 (seg_32bit << 22) |
1027 (limit_in_pages << 23) |
1028 0x7000;
1029 if (!oldmode)
1030 entry_2 |= (useable << 20);
1031
1032 /* Install the new entry ... */
1033 install:
1034 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1035 lp[0] = tswap32(entry_1);
1036 lp[1] = tswap32(entry_2);
1037 return 0;
1038 }
1039
1040 /* specific and weird i386 syscalls */
1041 int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
1042 {
1043 int ret = -ENOSYS;
1044
1045 switch (func) {
1046 case 0:
1047 ret = read_ldt(ptr, bytecount);
1048 break;
1049 case 1:
1050 ret = write_ldt(env, ptr, bytecount, 1);
1051 break;
1052 case 0x11:
1053 ret = write_ldt(env, ptr, bytecount, 0);
1054 break;
1055 }
1056 return ret;
1057 }
1058
1059 /* vm86 emulation */
1060
1061 #define SAFE_MASK (0xDD5)
1062
1063 int do_vm86(CPUX86State *env, long subfunction,
1064 struct target_vm86plus_struct * target_v86)
1065 {
1066 TaskState *ts = env->opaque;
1067 int ret;
1068
1069 switch (subfunction) {
1070 case TARGET_VM86_REQUEST_IRQ:
1071 case TARGET_VM86_FREE_IRQ:
1072 case TARGET_VM86_GET_IRQ_BITS:
1073 case TARGET_VM86_GET_AND_RESET_IRQ:
1074 gemu_log("qemu: unsupported vm86 subfunction (%ld)\n", subfunction);
1075 ret = -EINVAL;
1076 goto out;
1077 case TARGET_VM86_PLUS_INSTALL_CHECK:
1078 /* NOTE: on old vm86 stuff this will return the error
1079 from verify_area(), because the subfunction is
1080 interpreted as (invalid) address to vm86_struct.
1081 So the installation check works.
1082 */
1083 ret = 0;
1084 goto out;
1085 }
1086
1087 ts->target_v86 = target_v86;
1088 /* save current CPU regs */
1089 ts->vm86_saved_regs.eax = 0; /* default vm86 syscall return code */
1090 ts->vm86_saved_regs.ebx = env->regs[R_EBX];
1091 ts->vm86_saved_regs.ecx = env->regs[R_ECX];
1092 ts->vm86_saved_regs.edx = env->regs[R_EDX];
1093 ts->vm86_saved_regs.esi = env->regs[R_ESI];
1094 ts->vm86_saved_regs.edi = env->regs[R_EDI];
1095 ts->vm86_saved_regs.ebp = env->regs[R_EBP];
1096 ts->vm86_saved_regs.esp = env->regs[R_ESP];
1097 ts->vm86_saved_regs.eflags = env->eflags;
1098 ts->vm86_saved_regs.eip = env->eip;
1099 ts->vm86_saved_regs.cs = env->segs[R_CS];
1100 ts->vm86_saved_regs.ss = env->segs[R_SS];
1101 ts->vm86_saved_regs.ds = env->segs[R_DS];
1102 ts->vm86_saved_regs.es = env->segs[R_ES];
1103 ts->vm86_saved_regs.fs = env->segs[R_FS];
1104 ts->vm86_saved_regs.gs = env->segs[R_GS];
1105
1106 /* build vm86 CPU state */
1107 env->eflags = (env->eflags & ~SAFE_MASK) |
1108 (tswap32(target_v86->regs.eflags) & SAFE_MASK) | VM_MASK;
1109
1110 env->regs[R_EBX] = tswap32(target_v86->regs.ebx);
1111 env->regs[R_ECX] = tswap32(target_v86->regs.ecx);
1112 env->regs[R_EDX] = tswap32(target_v86->regs.edx);
1113 env->regs[R_ESI] = tswap32(target_v86->regs.esi);
1114 env->regs[R_EDI] = tswap32(target_v86->regs.edi);
1115 env->regs[R_EBP] = tswap32(target_v86->regs.ebp);
1116 env->regs[R_ESP] = tswap32(target_v86->regs.esp);
1117 env->eip = tswap32(target_v86->regs.eip);
1118 cpu_x86_load_seg(env, R_CS, tswap16(target_v86->regs.cs));
1119 cpu_x86_load_seg(env, R_SS, tswap16(target_v86->regs.ss));
1120 cpu_x86_load_seg(env, R_DS, tswap16(target_v86->regs.ds));
1121 cpu_x86_load_seg(env, R_ES, tswap16(target_v86->regs.es));
1122 cpu_x86_load_seg(env, R_FS, tswap16(target_v86->regs.fs));
1123 cpu_x86_load_seg(env, R_GS, tswap16(target_v86->regs.gs));
1124 ret = tswap32(target_v86->regs.eax); /* eax will be restored at
1125 the end of the syscall */
1126 /* now the virtual CPU is ready for vm86 execution ! */
1127 out:
1128 return ret;
1129 }
1130
1131 /* this stack is the equivalent of the kernel stack associated with a
1132 thread/process */
1133 #define NEW_STACK_SIZE 8192
1134
1135 static int clone_func(void *arg)
1136 {
1137 CPUX86State *env = arg;
1138 cpu_loop(env);
1139 /* never exits */
1140 return 0;
1141 }
1142
1143 int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp)
1144 {
1145 int ret;
1146 TaskState *ts;
1147 uint8_t *new_stack;
1148 CPUX86State *new_env;
1149
1150 if (flags & CLONE_VM) {
1151 if (!newsp)
1152 newsp = env->regs[R_ESP];
1153 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1154 memset(ts, 0, sizeof(TaskState));
1155 new_stack = ts->stack;
1156 ts->used = 1;
1157 /* add in task state list */
1158 ts->next = first_task_state;
1159 first_task_state = ts;
1160 /* we create a new CPU instance. */
1161 new_env = cpu_x86_init();
1162 memcpy(new_env, env, sizeof(CPUX86State));
1163 new_env->regs[R_ESP] = newsp;
1164 new_env->regs[R_EAX] = 0;
1165 new_env->opaque = ts;
1166 #ifdef __ia64__
1167 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1168 #else
1169 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1170 #endif
1171 } else {
1172 /* if no CLONE_VM, we consider it is a fork */
1173 if ((flags & ~CSIGNAL) != 0)
1174 return -EINVAL;
1175 ret = fork();
1176 }
1177 return ret;
1178 }
1179
1180 #endif
1181
1182 #define high2lowuid(x) (x)
1183 #define high2lowgid(x) (x)
1184 #define low2highuid(x) (x)
1185 #define low2highgid(x) (x)
1186
1187 void syscall_init(void)
1188 {
1189 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1190 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1191 #include "syscall_types.h"
1192 #undef STRUCT
1193 #undef STRUCT_SPECIAL
1194 }
1195
1196 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1197 long arg4, long arg5, long arg6)
1198 {
1199 long ret;
1200 struct stat st;
1201 struct kernel_statfs *stfs;
1202
1203 #ifdef DEBUG
1204 gemu_log("syscall %d\n", num);
1205 #endif
1206 switch(num) {
1207 case TARGET_NR_exit:
1208 #ifdef HAVE_GPROF
1209 _mcleanup();
1210 #endif
1211 /* XXX: should free thread stack and CPU env */
1212 _exit(arg1);
1213 ret = 0; /* avoid warning */
1214 break;
1215 case TARGET_NR_read:
1216 ret = get_errno(read(arg1, (void *)arg2, arg3));
1217 break;
1218 case TARGET_NR_write:
1219 ret = get_errno(write(arg1, (void *)arg2, arg3));
1220 break;
1221 case TARGET_NR_open:
1222 ret = get_errno(open(path((const char *)arg1), arg2, arg3));
1223 break;
1224 case TARGET_NR_close:
1225 ret = get_errno(close(arg1));
1226 break;
1227 case TARGET_NR_brk:
1228 ret = do_brk((char *)arg1);
1229 break;
1230 case TARGET_NR_fork:
1231 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1232 break;
1233 case TARGET_NR_waitpid:
1234 {
1235 int *status = (int *)arg2;
1236 ret = get_errno(waitpid(arg1, status, arg3));
1237 if (!is_error(ret) && status)
1238 tswapls((long *)&status);
1239 }
1240 break;
1241 case TARGET_NR_creat:
1242 ret = get_errno(creat((const char *)arg1, arg2));
1243 break;
1244 case TARGET_NR_link:
1245 ret = get_errno(link((const char *)arg1, (const char *)arg2));
1246 break;
1247 case TARGET_NR_unlink:
1248 ret = get_errno(unlink((const char *)arg1));
1249 break;
1250 case TARGET_NR_execve:
1251 {
1252 char **argp, **envp;
1253 int argc, envc;
1254 uint32_t *p;
1255 char **q;
1256
1257 argc = 0;
1258 for (p = (void *)arg2; *p; p++)
1259 argc++;
1260 envc = 0;
1261 for (p = (void *)arg3; *p; p++)
1262 envc++;
1263
1264 argp = alloca((argc + 1) * sizeof(void *));
1265 envp = alloca((envc + 1) * sizeof(void *));
1266
1267 for (p = (void *)arg2, q = argp; *p; p++, q++)
1268 *q = (void *)tswap32(*p);
1269 *q = NULL;
1270
1271 for (p = (void *)arg3, q = envp; *p; p++, q++)
1272 *q = (void *)tswap32(*p);
1273 *q = NULL;
1274
1275 ret = get_errno(execve((const char *)arg1, argp, envp));
1276 }
1277 break;
1278 case TARGET_NR_chdir:
1279 ret = get_errno(chdir((const char *)arg1));
1280 break;
1281 case TARGET_NR_time:
1282 {
1283 int *time_ptr = (int *)arg1;
1284 ret = get_errno(time((time_t *)time_ptr));
1285 if (!is_error(ret) && time_ptr)
1286 tswap32s(time_ptr);
1287 }
1288 break;
1289 case TARGET_NR_mknod:
1290 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1291 break;
1292 case TARGET_NR_chmod:
1293 ret = get_errno(chmod((const char *)arg1, arg2));
1294 break;
1295 case TARGET_NR_lchown:
1296 ret = get_errno(chown((const char *)arg1, arg2, arg3));
1297 break;
1298 case TARGET_NR_break:
1299 goto unimplemented;
1300 case TARGET_NR_oldstat:
1301 goto unimplemented;
1302 case TARGET_NR_lseek:
1303 ret = get_errno(lseek(arg1, arg2, arg3));
1304 break;
1305 case TARGET_NR_getpid:
1306 ret = get_errno(getpid());
1307 break;
1308 case TARGET_NR_mount:
1309 /* need to look at the data field */
1310 goto unimplemented;
1311 case TARGET_NR_umount:
1312 ret = get_errno(umount((const char *)arg1));
1313 break;
1314 case TARGET_NR_setuid:
1315 ret = get_errno(setuid(low2highuid(arg1)));
1316 break;
1317 case TARGET_NR_getuid:
1318 ret = get_errno(getuid());
1319 break;
1320 case TARGET_NR_stime:
1321 {
1322 int *time_ptr = (int *)arg1;
1323 if (time_ptr)
1324 tswap32s(time_ptr);
1325 ret = get_errno(stime((time_t *)time_ptr));
1326 }
1327 break;
1328 case TARGET_NR_ptrace:
1329 goto unimplemented;
1330 case TARGET_NR_alarm:
1331 ret = alarm(arg1);
1332 break;
1333 case TARGET_NR_oldfstat:
1334 goto unimplemented;
1335 case TARGET_NR_pause:
1336 ret = get_errno(pause());
1337 break;
1338 case TARGET_NR_utime:
1339 goto unimplemented;
1340 case TARGET_NR_stty:
1341 goto unimplemented;
1342 case TARGET_NR_gtty:
1343 goto unimplemented;
1344 case TARGET_NR_access:
1345 ret = get_errno(access((const char *)arg1, arg2));
1346 break;
1347 case TARGET_NR_nice:
1348 ret = get_errno(nice(arg1));
1349 break;
1350 case TARGET_NR_ftime:
1351 goto unimplemented;
1352 case TARGET_NR_sync:
1353 sync();
1354 ret = 0;
1355 break;
1356 case TARGET_NR_kill:
1357 ret = get_errno(kill(arg1, arg2));
1358 break;
1359 case TARGET_NR_rename:
1360 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1361 break;
1362 case TARGET_NR_mkdir:
1363 ret = get_errno(mkdir((const char *)arg1, arg2));
1364 break;
1365 case TARGET_NR_rmdir:
1366 ret = get_errno(rmdir((const char *)arg1));
1367 break;
1368 case TARGET_NR_dup:
1369 ret = get_errno(dup(arg1));
1370 break;
1371 case TARGET_NR_pipe:
1372 {
1373 int *pipe_ptr = (int *)arg1;
1374 ret = get_errno(pipe(pipe_ptr));
1375 if (!is_error(ret)) {
1376 tswap32s(&pipe_ptr[0]);
1377 tswap32s(&pipe_ptr[1]);
1378 }
1379 }
1380 break;
1381 case TARGET_NR_times:
1382 {
1383 struct target_tms *tmsp = (void *)arg1;
1384 struct tms tms;
1385 ret = get_errno(times(&tms));
1386 if (tmsp) {
1387 tmsp->tms_utime = tswapl(tms.tms_utime);
1388 tmsp->tms_stime = tswapl(tms.tms_stime);
1389 tmsp->tms_cutime = tswapl(tms.tms_cutime);
1390 tmsp->tms_cstime = tswapl(tms.tms_cstime);
1391 }
1392 }
1393 break;
1394 case TARGET_NR_prof:
1395 goto unimplemented;
1396 case TARGET_NR_setgid:
1397 ret = get_errno(setgid(low2highgid(arg1)));
1398 break;
1399 case TARGET_NR_getgid:
1400 ret = get_errno(getgid());
1401 break;
1402 case TARGET_NR_signal:
1403 goto unimplemented;
1404 case TARGET_NR_geteuid:
1405 ret = get_errno(geteuid());
1406 break;
1407 case TARGET_NR_getegid:
1408 ret = get_errno(getegid());
1409 break;
1410 case TARGET_NR_acct:
1411 goto unimplemented;
1412 case TARGET_NR_umount2:
1413 ret = get_errno(umount2((const char *)arg1, arg2));
1414 break;
1415 case TARGET_NR_lock:
1416 goto unimplemented;
1417 case TARGET_NR_ioctl:
1418 ret = do_ioctl(arg1, arg2, arg3);
1419 break;
1420 case TARGET_NR_fcntl:
1421 {
1422 struct flock fl;
1423 struct target_flock *target_fl = (void *)arg3;
1424
1425 switch(arg2) {
1426 case TARGET_F_GETLK:
1427 ret = get_errno(fcntl(arg1, arg2, &fl));
1428 if (ret == 0) {
1429 target_fl->l_type = tswap16(fl.l_type);
1430 target_fl->l_whence = tswap16(fl.l_whence);
1431 target_fl->l_start = tswapl(fl.l_start);
1432 target_fl->l_len = tswapl(fl.l_len);
1433 target_fl->l_pid = tswapl(fl.l_pid);
1434 }
1435 break;
1436
1437 case TARGET_F_SETLK:
1438 case TARGET_F_SETLKW:
1439 fl.l_type = tswap16(target_fl->l_type);
1440 fl.l_whence = tswap16(target_fl->l_whence);
1441 fl.l_start = tswapl(target_fl->l_start);
1442 fl.l_len = tswapl(target_fl->l_len);
1443 fl.l_pid = tswapl(target_fl->l_pid);
1444 ret = get_errno(fcntl(arg1, arg2, &fl));
1445 break;
1446
1447 case TARGET_F_GETLK64:
1448 case TARGET_F_SETLK64:
1449 case TARGET_F_SETLKW64:
1450 goto unimplemented;
1451 default:
1452 ret = get_errno(fcntl(arg1, arg2, arg3));
1453 break;
1454 }
1455 break;
1456 }
1457 case TARGET_NR_mpx:
1458 goto unimplemented;
1459 case TARGET_NR_setpgid:
1460 ret = get_errno(setpgid(arg1, arg2));
1461 break;
1462 case TARGET_NR_ulimit:
1463 goto unimplemented;
1464 case TARGET_NR_oldolduname:
1465 goto unimplemented;
1466 case TARGET_NR_umask:
1467 ret = get_errno(umask(arg1));
1468 break;
1469 case TARGET_NR_chroot:
1470 ret = get_errno(chroot((const char *)arg1));
1471 break;
1472 case TARGET_NR_ustat:
1473 goto unimplemented;
1474 case TARGET_NR_dup2:
1475 ret = get_errno(dup2(arg1, arg2));
1476 break;
1477 case TARGET_NR_getppid:
1478 ret = get_errno(getppid());
1479 break;
1480 case TARGET_NR_getpgrp:
1481 ret = get_errno(getpgrp());
1482 break;
1483 case TARGET_NR_setsid:
1484 ret = get_errno(setsid());
1485 break;
1486 case TARGET_NR_sigaction:
1487 {
1488 struct target_old_sigaction *old_act = (void *)arg2;
1489 struct target_old_sigaction *old_oact = (void *)arg3;
1490 struct target_sigaction act, oact, *pact;
1491 if (old_act) {
1492 act._sa_handler = old_act->_sa_handler;
1493 target_siginitset(&act.sa_mask, old_act->sa_mask);
1494 act.sa_flags = old_act->sa_flags;
1495 act.sa_restorer = old_act->sa_restorer;
1496 pact = &act;
1497 } else {
1498 pact = NULL;
1499 }
1500 ret = get_errno(do_sigaction(arg1, pact, &oact));
1501 if (!is_error(ret) && old_oact) {
1502 old_oact->_sa_handler = oact._sa_handler;
1503 old_oact->sa_mask = oact.sa_mask.sig[0];
1504 old_oact->sa_flags = oact.sa_flags;
1505 old_oact->sa_restorer = oact.sa_restorer;
1506 }
1507 }
1508 break;
1509 case TARGET_NR_rt_sigaction:
1510 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1511 break;
1512 case TARGET_NR_sgetmask:
1513 {
1514 sigset_t cur_set;
1515 target_ulong target_set;
1516 sigprocmask(0, NULL, &cur_set);
1517 host_to_target_old_sigset(&target_set, &cur_set);
1518 ret = target_set;
1519 }
1520 break;
1521 case TARGET_NR_ssetmask:
1522 {
1523 sigset_t set, oset, cur_set;
1524 target_ulong target_set = arg1;
1525 sigprocmask(0, NULL, &cur_set);
1526 target_to_host_old_sigset(&set, &target_set);
1527 sigorset(&set, &set, &cur_set);
1528 sigprocmask(SIG_SETMASK, &set, &oset);
1529 host_to_target_old_sigset(&target_set, &oset);
1530 ret = target_set;
1531 }
1532 break;
1533 case TARGET_NR_sigprocmask:
1534 {
1535 int how = arg1;
1536 sigset_t set, oldset, *set_ptr;
1537 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1538
1539 if (pset) {
1540 switch(how) {
1541 case TARGET_SIG_BLOCK:
1542 how = SIG_BLOCK;
1543 break;
1544 case TARGET_SIG_UNBLOCK:
1545 how = SIG_UNBLOCK;
1546 break;
1547 case TARGET_SIG_SETMASK:
1548 how = SIG_SETMASK;
1549 break;
1550 default:
1551 ret = -EINVAL;
1552 goto fail;
1553 }
1554 target_to_host_old_sigset(&set, pset);
1555 set_ptr = &set;
1556 } else {
1557 how = 0;
1558 set_ptr = NULL;
1559 }
1560 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1561 if (!is_error(ret) && poldset) {
1562 host_to_target_old_sigset(poldset, &oldset);
1563 }
1564 }
1565 break;
1566 case TARGET_NR_rt_sigprocmask:
1567 {
1568 int how = arg1;
1569 sigset_t set, oldset, *set_ptr;
1570 target_sigset_t *pset = (void *)arg2;
1571 target_sigset_t *poldset = (void *)arg3;
1572
1573 if (pset) {
1574 switch(how) {
1575 case TARGET_SIG_BLOCK:
1576 how = SIG_BLOCK;
1577 break;
1578 case TARGET_SIG_UNBLOCK:
1579 how = SIG_UNBLOCK;
1580 break;
1581 case TARGET_SIG_SETMASK:
1582 how = SIG_SETMASK;
1583 break;
1584 default:
1585 ret = -EINVAL;
1586 goto fail;
1587 }
1588 target_to_host_sigset(&set, pset);
1589 set_ptr = &set;
1590 } else {
1591 how = 0;
1592 set_ptr = NULL;
1593 }
1594 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1595 if (!is_error(ret) && poldset) {
1596 host_to_target_sigset(poldset, &oldset);
1597 }
1598 }
1599 break;
1600 case TARGET_NR_sigpending:
1601 {
1602 sigset_t set;
1603 ret = get_errno(sigpending(&set));
1604 if (!is_error(ret)) {
1605 host_to_target_old_sigset((target_ulong *)arg1, &set);
1606 }
1607 }
1608 break;
1609 case TARGET_NR_rt_sigpending:
1610 {
1611 sigset_t set;
1612 ret = get_errno(sigpending(&set));
1613 if (!is_error(ret)) {
1614 host_to_target_sigset((target_sigset_t *)arg1, &set);
1615 }
1616 }
1617 break;
1618 case TARGET_NR_sigsuspend:
1619 {
1620 sigset_t set;
1621 target_to_host_old_sigset(&set, (target_ulong *)arg1);
1622 ret = get_errno(sigsuspend(&set));
1623 }
1624 break;
1625 case TARGET_NR_rt_sigsuspend:
1626 {
1627 sigset_t set;
1628 target_to_host_sigset(&set, (target_sigset_t *)arg1);
1629 ret = get_errno(sigsuspend(&set));
1630 }
1631 break;
1632 case TARGET_NR_rt_sigtimedwait:
1633 {
1634 target_sigset_t *target_set = (void *)arg1;
1635 target_siginfo_t *target_uinfo = (void *)arg2;
1636 struct target_timespec *target_uts = (void *)arg3;
1637 sigset_t set;
1638 struct timespec uts, *puts;
1639 siginfo_t uinfo;
1640
1641 target_to_host_sigset(&set, target_set);
1642 if (target_uts) {
1643 puts = &uts;
1644 puts->tv_sec = tswapl(target_uts->tv_sec);
1645 puts->tv_nsec = tswapl(target_uts->tv_nsec);
1646 } else {
1647 puts = NULL;
1648 }
1649 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1650 if (!is_error(ret) && target_uinfo) {
1651 host_to_target_siginfo(target_uinfo, &uinfo);
1652 }
1653 }
1654 break;
1655 case TARGET_NR_rt_sigqueueinfo:
1656 {
1657 siginfo_t uinfo;
1658 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
1659 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
1660 }
1661 break;
1662 case TARGET_NR_sigreturn:
1663 /* NOTE: ret is eax, so not transcoding must be done */
1664 ret = do_sigreturn(cpu_env);
1665 break;
1666 case TARGET_NR_rt_sigreturn:
1667 /* NOTE: ret is eax, so not transcoding must be done */
1668 ret = do_rt_sigreturn(cpu_env);
1669 break;
1670 case TARGET_NR_setreuid:
1671 ret = get_errno(setreuid(arg1, arg2));
1672 break;
1673 case TARGET_NR_setregid:
1674 ret = get_errno(setregid(arg1, arg2));
1675 break;
1676 case TARGET_NR_sethostname:
1677 ret = get_errno(sethostname((const char *)arg1, arg2));
1678 break;
1679 case TARGET_NR_setrlimit:
1680 {
1681 /* XXX: convert resource ? */
1682 int resource = arg1;
1683 struct target_rlimit *target_rlim = (void *)arg2;
1684 struct rlimit rlim;
1685 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
1686 rlim.rlim_max = tswapl(target_rlim->rlim_max);
1687 ret = get_errno(setrlimit(resource, &rlim));
1688 }
1689 break;
1690 case TARGET_NR_getrlimit:
1691 {
1692 /* XXX: convert resource ? */
1693 int resource = arg1;
1694 struct target_rlimit *target_rlim = (void *)arg2;
1695 struct rlimit rlim;
1696
1697 ret = get_errno(getrlimit(resource, &rlim));
1698 if (!is_error(ret)) {
1699 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
1700 target_rlim->rlim_max = tswapl(rlim.rlim_max);
1701 }
1702 }
1703 break;
1704 case TARGET_NR_getrusage:
1705 goto unimplemented;
1706 case TARGET_NR_gettimeofday:
1707 {
1708 struct target_timeval *target_tv = (void *)arg1;
1709 struct timeval tv;
1710 ret = get_errno(gettimeofday(&tv, NULL));
1711 if (!is_error(ret)) {
1712 host_to_target_timeval(target_tv, &tv);
1713 }
1714 }
1715 break;
1716 case TARGET_NR_settimeofday:
1717 {
1718 struct target_timeval *target_tv = (void *)arg1;
1719 struct timeval tv;
1720 target_to_host_timeval(&tv, target_tv);
1721 ret = get_errno(settimeofday(&tv, NULL));
1722 }
1723 break;
1724 case TARGET_NR_getgroups:
1725 goto unimplemented;
1726 case TARGET_NR_setgroups:
1727 goto unimplemented;
1728 case TARGET_NR_select:
1729 goto unimplemented;
1730 case TARGET_NR_symlink:
1731 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
1732 break;
1733 case TARGET_NR_oldlstat:
1734 goto unimplemented;
1735 case TARGET_NR_readlink:
1736 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
1737 break;
1738 case TARGET_NR_uselib:
1739 goto unimplemented;
1740 case TARGET_NR_swapon:
1741 ret = get_errno(swapon((const char *)arg1, arg2));
1742 break;
1743 case TARGET_NR_reboot:
1744 goto unimplemented;
1745 case TARGET_NR_readdir:
1746 goto unimplemented;
1747 #ifdef TARGET_I386
1748 case TARGET_NR_mmap:
1749 {
1750 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
1751 vptr = (uint32_t *)arg1;
1752 v1 = tswap32(vptr[0]);
1753 v2 = tswap32(vptr[1]);
1754 v3 = tswap32(vptr[2]);
1755 v4 = tswap32(vptr[3]);
1756 v5 = tswap32(vptr[4]);
1757 v6 = tswap32(vptr[5]);
1758 ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6));
1759 }
1760 break;
1761 #endif
1762 #ifdef TARGET_I386
1763 case TARGET_NR_mmap2:
1764 #else
1765 case TARGET_NR_mmap:
1766 #endif
1767 ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6));
1768 break;
1769 case TARGET_NR_munmap:
1770 ret = get_errno(munmap((void *)arg1, arg2));
1771 break;
1772 case TARGET_NR_mprotect:
1773 ret = get_errno(mprotect((void *)arg1, arg2, arg3));
1774 break;
1775 case TARGET_NR_mremap:
1776 ret = get_errno((long)mremap((void *)arg1, arg2, arg3, arg4));
1777 break;
1778 case TARGET_NR_msync:
1779 ret = get_errno(msync((void *)arg1, arg2, arg3));
1780 break;
1781 case TARGET_NR_mlock:
1782 ret = get_errno(mlock((void *)arg1, arg2));
1783 break;
1784 case TARGET_NR_munlock:
1785 ret = get_errno(munlock((void *)arg1, arg2));
1786 break;
1787 case TARGET_NR_mlockall:
1788 ret = get_errno(mlockall(arg1));
1789 break;
1790 case TARGET_NR_munlockall:
1791 ret = get_errno(munlockall());
1792 break;
1793 case TARGET_NR_truncate:
1794 ret = get_errno(truncate((const char *)arg1, arg2));
1795 break;
1796 case TARGET_NR_ftruncate:
1797 ret = get_errno(ftruncate(arg1, arg2));
1798 break;
1799 case TARGET_NR_fchmod:
1800 ret = get_errno(fchmod(arg1, arg2));
1801 break;
1802 case TARGET_NR_fchown:
1803 ret = get_errno(fchown(arg1, arg2, arg3));
1804 break;
1805 case TARGET_NR_getpriority:
1806 ret = get_errno(getpriority(arg1, arg2));
1807 break;
1808 case TARGET_NR_setpriority:
1809 ret = get_errno(setpriority(arg1, arg2, arg3));
1810 break;
1811 case TARGET_NR_profil:
1812 goto unimplemented;
1813 case TARGET_NR_statfs:
1814 stfs = (void *)arg2;
1815 ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
1816 convert_statfs:
1817 if (!is_error(ret)) {
1818 tswap32s(&stfs->f_type);
1819 tswap32s(&stfs->f_bsize);
1820 tswap32s(&stfs->f_blocks);
1821 tswap32s(&stfs->f_bfree);
1822 tswap32s(&stfs->f_bavail);
1823 tswap32s(&stfs->f_files);
1824 tswap32s(&stfs->f_ffree);
1825 tswap32s(&stfs->f_fsid.val[0]);
1826 tswap32s(&stfs->f_fsid.val[1]);
1827 tswap32s(&stfs->f_namelen);
1828 }
1829 break;
1830 case TARGET_NR_fstatfs:
1831 stfs = (void *)arg2;
1832 ret = get_errno(sys_fstatfs(arg1, stfs));
1833 goto convert_statfs;
1834 case TARGET_NR_ioperm:
1835 goto unimplemented;
1836 case TARGET_NR_socketcall:
1837 ret = do_socketcall(arg1, (int32_t *)arg2);
1838 break;
1839 case TARGET_NR_syslog:
1840 goto unimplemented;
1841 case TARGET_NR_setitimer:
1842 {
1843 struct target_itimerval *target_value = (void *)arg2;
1844 struct target_itimerval *target_ovalue = (void *)arg3;
1845 struct itimerval value, ovalue, *pvalue;
1846
1847 if (target_value) {
1848 pvalue = &value;
1849 target_to_host_timeval(&pvalue->it_interval,
1850 &target_value->it_interval);
1851 target_to_host_timeval(&pvalue->it_value,
1852 &target_value->it_value);
1853 } else {
1854 pvalue = NULL;
1855 }
1856 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1857 if (!is_error(ret) && target_ovalue) {
1858 host_to_target_timeval(&target_ovalue->it_interval,
1859 &ovalue.it_interval);
1860 host_to_target_timeval(&target_ovalue->it_value,
1861 &ovalue.it_value);
1862 }
1863 }
1864 break;
1865 case TARGET_NR_getitimer:
1866 {
1867 struct target_itimerval *target_value = (void *)arg2;
1868 struct itimerval value;
1869
1870 ret = get_errno(getitimer(arg1, &value));
1871 if (!is_error(ret) && target_value) {
1872 host_to_target_timeval(&target_value->it_interval,
1873 &value.it_interval);
1874 host_to_target_timeval(&target_value->it_value,
1875 &value.it_value);
1876 }
1877 }
1878 break;
1879 case TARGET_NR_stat:
1880 ret = get_errno(stat(path((const char *)arg1), &st));
1881 goto do_stat;
1882 case TARGET_NR_lstat:
1883 ret = get_errno(lstat(path((const char *)arg1), &st));
1884 goto do_stat;
1885 case TARGET_NR_fstat:
1886 {
1887 ret = get_errno(fstat(arg1, &st));
1888 do_stat:
1889 if (!is_error(ret)) {
1890 struct target_stat *target_st = (void *)arg2;
1891 target_st->st_dev = tswap16(st.st_dev);
1892 target_st->st_ino = tswapl(st.st_ino);
1893 target_st->st_mode = tswap16(st.st_mode);
1894 target_st->st_nlink = tswap16(st.st_nlink);
1895 target_st->st_uid = tswap16(st.st_uid);
1896 target_st->st_gid = tswap16(st.st_gid);
1897 target_st->st_rdev = tswap16(st.st_rdev);
1898 target_st->st_size = tswapl(st.st_size);
1899 target_st->st_blksize = tswapl(st.st_blksize);
1900 target_st->st_blocks = tswapl(st.st_blocks);
1901 target_st->target_st_atime = tswapl(st.st_atime);
1902 target_st->target_st_mtime = tswapl(st.st_mtime);
1903 target_st->target_st_ctime = tswapl(st.st_ctime);
1904 }
1905 }
1906 break;
1907 case TARGET_NR_olduname:
1908 goto unimplemented;
1909 case TARGET_NR_iopl:
1910 goto unimplemented;
1911 case TARGET_NR_vhangup:
1912 ret = get_errno(vhangup());
1913 break;
1914 case TARGET_NR_idle:
1915 goto unimplemented;
1916 case TARGET_NR_wait4:
1917 {
1918 int status;
1919 target_long *status_ptr = (void *)arg2;
1920 struct rusage rusage, *rusage_ptr;
1921 struct target_rusage *target_rusage = (void *)arg4;
1922 if (target_rusage)
1923 rusage_ptr = &rusage;
1924 else
1925 rusage_ptr = NULL;
1926 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
1927 if (!is_error(ret)) {
1928 if (status_ptr)
1929 *status_ptr = tswap32(status);
1930 if (target_rusage) {
1931 target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec);
1932 target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec);
1933 target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec);
1934 target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec);
1935 target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss);
1936 target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss);
1937 target_rusage->ru_idrss = tswapl(rusage.ru_idrss);
1938 target_rusage->ru_isrss = tswapl(rusage.ru_isrss);
1939 target_rusage->ru_minflt = tswapl(rusage.ru_minflt);
1940 target_rusage->ru_majflt = tswapl(rusage.ru_majflt);
1941 target_rusage->ru_nswap = tswapl(rusage.ru_nswap);
1942 target_rusage->ru_inblock = tswapl(rusage.ru_inblock);
1943 target_rusage->ru_oublock = tswapl(rusage.ru_oublock);
1944 target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd);
1945 target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv);
1946 target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals);
1947 target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw);
1948 target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw);
1949 }
1950 }
1951 }
1952 break;
1953 case TARGET_NR_swapoff:
1954 ret = get_errno(swapoff((const char *)arg1));
1955 break;
1956 case TARGET_NR_sysinfo:
1957 goto unimplemented;
1958 case TARGET_NR_ipc:
1959 goto unimplemented;
1960 case TARGET_NR_fsync:
1961 ret = get_errno(fsync(arg1));
1962 break;
1963 case TARGET_NR_clone:
1964 ret = get_errno(do_fork(cpu_env, arg1, arg2));
1965 break;
1966 #ifdef __NR_exit_group
1967 /* new thread calls */
1968 case TARGET_NR_exit_group:
1969 ret = get_errno(exit_group(arg1));
1970 break;
1971 #endif
1972 case TARGET_NR_setdomainname:
1973 ret = get_errno(setdomainname((const char *)arg1, arg2));
1974 break;
1975 case TARGET_NR_uname:
1976 /* no need to transcode because we use the linux syscall */
1977 ret = get_errno(sys_uname((struct new_utsname *)arg1));
1978 break;
1979 #ifdef TARGET_I386
1980 case TARGET_NR_modify_ldt:
1981 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
1982 break;
1983 case TARGET_NR_vm86old:
1984 goto unimplemented;
1985 case TARGET_NR_vm86:
1986 ret = do_vm86(cpu_env, arg1, (void *)arg2);
1987 break;
1988 #endif
1989 case TARGET_NR_adjtimex:
1990 goto unimplemented;
1991 case TARGET_NR_create_module:
1992 case TARGET_NR_init_module:
1993 case TARGET_NR_delete_module:
1994 case TARGET_NR_get_kernel_syms:
1995 goto unimplemented;
1996 case TARGET_NR_quotactl:
1997 goto unimplemented;
1998 case TARGET_NR_getpgid:
1999 ret = get_errno(getpgid(arg1));
2000 break;
2001 case TARGET_NR_fchdir:
2002 ret = get_errno(fchdir(arg1));
2003 break;
2004 case TARGET_NR_bdflush:
2005 goto unimplemented;
2006 case TARGET_NR_sysfs:
2007 goto unimplemented;
2008 case TARGET_NR_personality:
2009 ret = get_errno(personality(arg1));
2010 break;
2011 case TARGET_NR_afs_syscall:
2012 goto unimplemented;
2013 case TARGET_NR_setfsuid:
2014 ret = get_errno(setfsuid(arg1));
2015 break;
2016 case TARGET_NR_setfsgid:
2017 ret = get_errno(setfsgid(arg1));
2018 break;
2019 case TARGET_NR__llseek:
2020 {
2021 int64_t res;
2022 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2023 *(int64_t *)arg4 = tswap64(res);
2024 }
2025 break;
2026 case TARGET_NR_getdents:
2027 #if TARGET_LONG_SIZE != 4
2028 #error not supported
2029 #endif
2030 {
2031 struct dirent *dirp = (void *)arg2;
2032 long count = arg3;
2033
2034 ret = get_errno(sys_getdents(arg1, dirp, count));
2035 if (!is_error(ret)) {
2036 struct dirent *de;
2037 int len = ret;
2038 int reclen;
2039 de = dirp;
2040 while (len > 0) {
2041 reclen = de->d_reclen;
2042 if (reclen > len)
2043 break;
2044 de->d_reclen = tswap16(reclen);
2045 tswapls(&de->d_ino);
2046 tswapls(&de->d_off);
2047 de = (struct dirent *)((char *)de + reclen);
2048 len -= reclen;
2049 }
2050 }
2051 }
2052 break;
2053 case TARGET_NR_getdents64:
2054 {
2055 struct dirent64 *dirp = (void *)arg2;
2056 long count = arg3;
2057 ret = get_errno(sys_getdents64(arg1, dirp, count));
2058 if (!is_error(ret)) {
2059 struct dirent64 *de;
2060 int len = ret;
2061 int reclen;
2062 de = dirp;
2063 while (len > 0) {
2064 reclen = de->d_reclen;
2065 if (reclen > len)
2066 break;
2067 de->d_reclen = tswap16(reclen);
2068 tswap64s(&de->d_ino);
2069 tswap64s(&de->d_off);
2070 de = (struct dirent64 *)((char *)de + reclen);
2071 len -= reclen;
2072 }
2073 }
2074 }
2075 break;
2076 case TARGET_NR__newselect:
2077 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
2078 (void *)arg5);
2079 break;
2080 case TARGET_NR_poll:
2081 {
2082 struct target_pollfd *target_pfd = (void *)arg1;
2083 unsigned int nfds = arg2;
2084 int timeout = arg3;
2085 struct pollfd *pfd;
2086 unsigned int i;
2087
2088 pfd = alloca(sizeof(struct pollfd) * nfds);
2089 for(i = 0; i < nfds; i++) {
2090 pfd[i].fd = tswap32(target_pfd[i].fd);
2091 pfd[i].events = tswap16(target_pfd[i].events);
2092 }
2093 ret = get_errno(poll(pfd, nfds, timeout));
2094 if (!is_error(ret)) {
2095 for(i = 0; i < nfds; i++) {
2096 target_pfd[i].revents = tswap16(pfd[i].revents);
2097 }
2098 }
2099 }
2100 break;
2101 case TARGET_NR_flock:
2102 /* NOTE: the flock constant seems to be the same for every
2103 Linux platform */
2104 ret = get_errno(flock(arg1, arg2));
2105 break;
2106 case TARGET_NR_readv:
2107 {
2108 int count = arg3;
2109 int i;
2110 struct iovec *vec;
2111 struct target_iovec *target_vec = (void *)arg2;
2112
2113 vec = alloca(count * sizeof(struct iovec));
2114 for(i = 0;i < count; i++) {
2115 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2116 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2117 }
2118 ret = get_errno(readv(arg1, vec, count));
2119 }
2120 break;
2121 case TARGET_NR_writev:
2122 {
2123 int count = arg3;
2124 int i;
2125 struct iovec *vec;
2126 struct target_iovec *target_vec = (void *)arg2;
2127
2128 vec = alloca(count * sizeof(struct iovec));
2129 for(i = 0;i < count; i++) {
2130 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2131 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2132 }
2133 ret = get_errno(writev(arg1, vec, count));
2134 }
2135 break;
2136 case TARGET_NR_getsid:
2137 ret = get_errno(getsid(arg1));
2138 break;
2139 case TARGET_NR_fdatasync:
2140 ret = get_errno(fdatasync(arg1));
2141 break;
2142 case TARGET_NR__sysctl:
2143 goto unimplemented;
2144 case TARGET_NR_sched_setparam:
2145 {
2146 struct sched_param *target_schp = (void *)arg2;
2147 struct sched_param schp;
2148 schp.sched_priority = tswap32(target_schp->sched_priority);
2149 ret = get_errno(sched_setparam(arg1, &schp));
2150 }
2151 break;
2152 case TARGET_NR_sched_getparam:
2153 {
2154 struct sched_param *target_schp = (void *)arg2;
2155 struct sched_param schp;
2156 ret = get_errno(sched_getparam(arg1, &schp));
2157 if (!is_error(ret)) {
2158 target_schp->sched_priority = tswap32(schp.sched_priority);
2159 }
2160 }
2161 break;
2162 case TARGET_NR_sched_setscheduler:
2163 {
2164 struct sched_param *target_schp = (void *)arg3;
2165 struct sched_param schp;
2166 schp.sched_priority = tswap32(target_schp->sched_priority);
2167 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2168 }
2169 break;
2170 case TARGET_NR_sched_getscheduler:
2171 ret = get_errno(sched_getscheduler(arg1));
2172 break;
2173 case TARGET_NR_sched_yield:
2174 ret = get_errno(sched_yield());
2175 break;
2176 case TARGET_NR_sched_get_priority_max:
2177 ret = get_errno(sched_get_priority_max(arg1));
2178 break;
2179 case TARGET_NR_sched_get_priority_min:
2180 ret = get_errno(sched_get_priority_min(arg1));
2181 break;
2182 case TARGET_NR_sched_rr_get_interval:
2183 {
2184 struct target_timespec *target_ts = (void *)arg2;
2185 struct timespec ts;
2186 ret = get_errno(sched_rr_get_interval(arg1, &ts));
2187 if (!is_error(ret)) {
2188 target_ts->tv_sec = tswapl(ts.tv_sec);
2189 target_ts->tv_nsec = tswapl(ts.tv_nsec);
2190 }
2191 }
2192 break;
2193 case TARGET_NR_nanosleep:
2194 {
2195 struct target_timespec *target_req = (void *)arg1;
2196 struct target_timespec *target_rem = (void *)arg2;
2197 struct timespec req, rem;
2198 req.tv_sec = tswapl(target_req->tv_sec);
2199 req.tv_nsec = tswapl(target_req->tv_nsec);
2200 ret = get_errno(nanosleep(&req, &rem));
2201 if (target_rem) {
2202 target_rem->tv_sec = tswapl(rem.tv_sec);
2203 target_rem->tv_nsec = tswapl(rem.tv_nsec);
2204 }
2205 }
2206 break;
2207 case TARGET_NR_setresuid:
2208 ret = get_errno(setresuid(low2highuid(arg1),
2209 low2highuid(arg2),
2210 low2highuid(arg3)));
2211 break;
2212 case TARGET_NR_getresuid:
2213 {
2214 int ruid, euid, suid;
2215 ret = get_errno(getresuid(&ruid, &euid, &suid));
2216 if (!is_error(ret)) {
2217 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2218 *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2219 *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2220 }
2221 }
2222 break;
2223 case TARGET_NR_setresgid:
2224 ret = get_errno(setresgid(low2highgid(arg1),
2225 low2highgid(arg2),
2226 low2highgid(arg3)));
2227 break;
2228 case TARGET_NR_getresgid:
2229 {
2230 int rgid, egid, sgid;
2231 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2232 if (!is_error(ret)) {
2233 *(uint16_t *)arg1 = high2lowgid(tswap16(rgid));
2234 *(uint16_t *)arg2 = high2lowgid(tswap16(egid));
2235 *(uint16_t *)arg3 = high2lowgid(tswap16(sgid));
2236 }
2237 }
2238 break;
2239 case TARGET_NR_query_module:
2240 goto unimplemented;
2241 case TARGET_NR_nfsservctl:
2242 goto unimplemented;
2243 case TARGET_NR_prctl:
2244 goto unimplemented;
2245 case TARGET_NR_pread:
2246 goto unimplemented;
2247 case TARGET_NR_pwrite:
2248 goto unimplemented;
2249 case TARGET_NR_chown:
2250 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2251 break;
2252 case TARGET_NR_getcwd:
2253 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
2254 break;
2255 case TARGET_NR_capget:
2256 goto unimplemented;
2257 case TARGET_NR_capset:
2258 goto unimplemented;
2259 case TARGET_NR_sigaltstack:
2260 goto unimplemented;
2261 case TARGET_NR_sendfile:
2262 goto unimplemented;
2263 case TARGET_NR_getpmsg:
2264 goto unimplemented;
2265 case TARGET_NR_putpmsg:
2266 goto unimplemented;
2267 case TARGET_NR_vfork:
2268 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
2269 break;
2270 case TARGET_NR_ugetrlimit:
2271 {
2272 struct rlimit rlim;
2273 ret = get_errno(getrlimit(arg1, &rlim));
2274 if (!is_error(ret)) {
2275 struct target_rlimit *target_rlim = (void *)arg2;
2276 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2277 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2278 }
2279 break;
2280 }
2281 case TARGET_NR_truncate64:
2282 goto unimplemented;
2283 case TARGET_NR_ftruncate64:
2284 goto unimplemented;
2285 case TARGET_NR_stat64:
2286 ret = get_errno(stat(path((const char *)arg1), &st));
2287 goto do_stat64;
2288 case TARGET_NR_lstat64:
2289 ret = get_errno(lstat(path((const char *)arg1), &st));
2290 goto do_stat64;
2291 case TARGET_NR_fstat64:
2292 {
2293 ret = get_errno(fstat(arg1, &st));
2294 do_stat64:
2295 if (!is_error(ret)) {
2296 struct target_stat64 *target_st = (void *)arg2;
2297 memset(target_st, 0, sizeof(struct target_stat64));
2298 target_st->st_dev = tswap16(st.st_dev);
2299 target_st->st_ino = tswap64(st.st_ino);
2300 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2301 target_st->__st_ino = tswapl(st.st_ino);
2302 #endif
2303 target_st->st_mode = tswap32(st.st_mode);
2304 target_st->st_nlink = tswap32(st.st_nlink);
2305 target_st->st_uid = tswapl(st.st_uid);
2306 target_st->st_gid = tswapl(st.st_gid);
2307 target_st->st_rdev = tswap16(st.st_rdev);
2308 /* XXX: better use of kernel struct */
2309 target_st->st_size = tswap64(st.st_size);
2310 target_st->st_blksize = tswapl(st.st_blksize);
2311 target_st->st_blocks = tswapl(st.st_blocks);
2312 target_st->target_st_atime = tswapl(st.st_atime);
2313 target_st->target_st_mtime = tswapl(st.st_mtime);
2314 target_st->target_st_ctime = tswapl(st.st_ctime);
2315 }
2316 }
2317 break;
2318
2319 case TARGET_NR_lchown32:
2320 ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2321 break;
2322 case TARGET_NR_getuid32:
2323 ret = get_errno(getuid());
2324 break;
2325 case TARGET_NR_getgid32:
2326 ret = get_errno(getgid());
2327 break;
2328 case TARGET_NR_geteuid32:
2329 ret = get_errno(geteuid());
2330 break;
2331 case TARGET_NR_getegid32:
2332 ret = get_errno(getegid());
2333 break;
2334 case TARGET_NR_setreuid32:
2335 ret = get_errno(setreuid(arg1, arg2));
2336 break;
2337 case TARGET_NR_setregid32:
2338 ret = get_errno(setregid(arg1, arg2));
2339 break;
2340 case TARGET_NR_getgroups32:
2341 goto unimplemented;
2342 case TARGET_NR_setgroups32:
2343 goto unimplemented;
2344 case TARGET_NR_fchown32:
2345 ret = get_errno(fchown(arg1, arg2, arg3));
2346 break;
2347 case TARGET_NR_setresuid32:
2348 ret = get_errno(setresuid(arg1, arg2, arg3));
2349 break;
2350 case TARGET_NR_getresuid32:
2351 {
2352 int ruid, euid, suid;
2353 ret = get_errno(getresuid(&ruid, &euid, &suid));
2354 if (!is_error(ret)) {
2355 *(uint32_t *)arg1 = tswap32(ruid);
2356 *(uint32_t *)arg2 = tswap32(euid);
2357 *(uint32_t *)arg3 = tswap32(suid);
2358 }
2359 }
2360 break;
2361 case TARGET_NR_setresgid32:
2362 ret = get_errno(setresgid(arg1, arg2, arg3));
2363 break;
2364 case TARGET_NR_getresgid32:
2365 {
2366 int rgid, egid, sgid;
2367 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2368 if (!is_error(ret)) {
2369 *(uint32_t *)arg1 = tswap32(rgid);
2370 *(uint32_t *)arg2 = tswap32(egid);
2371 *(uint32_t *)arg3 = tswap32(sgid);
2372 }
2373 }
2374 break;
2375 case TARGET_NR_chown32:
2376 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2377 break;
2378 case TARGET_NR_setuid32:
2379 ret = get_errno(setuid(arg1));
2380 break;
2381 case TARGET_NR_setgid32:
2382 ret = get_errno(setgid(arg1));
2383 break;
2384 case TARGET_NR_setfsuid32:
2385 ret = get_errno(setfsuid(arg1));
2386 break;
2387 case TARGET_NR_setfsgid32:
2388 ret = get_errno(setfsgid(arg1));
2389 break;
2390 case TARGET_NR_pivot_root:
2391 goto unimplemented;
2392 case TARGET_NR_mincore:
2393 goto unimplemented;
2394 case TARGET_NR_madvise:
2395 goto unimplemented;
2396 #if TARGET_LONG_BITS == 32
2397 case TARGET_NR_fcntl64:
2398 {
2399 struct flock64 fl;
2400 struct target_flock64 *target_fl = (void *)arg3;
2401
2402 switch(arg2) {
2403 case F_GETLK64:
2404 ret = get_errno(fcntl(arg1, arg2, &fl));
2405 if (ret == 0) {
2406 target_fl->l_type = tswap16(fl.l_type);
2407 target_fl->l_whence = tswap16(fl.l_whence);
2408 target_fl->l_start = tswap64(fl.l_start);
2409 target_fl->l_len = tswap64(fl.l_len);
2410 target_fl->l_pid = tswapl(fl.l_pid);
2411 }
2412 break;
2413
2414 case F_SETLK64:
2415 case F_SETLKW64:
2416 fl.l_type = tswap16(target_fl->l_type);
2417 fl.l_whence = tswap16(target_fl->l_whence);
2418 fl.l_start = tswap64(target_fl->l_start);
2419 fl.l_len = tswap64(target_fl->l_len);
2420 fl.l_pid = tswapl(target_fl->l_pid);
2421 ret = get_errno(fcntl(arg1, arg2, &fl));
2422 break;
2423 default:
2424 ret = get_errno(fcntl(arg1, arg2, arg3));
2425 break;
2426 }
2427 break;
2428 }
2429 #endif
2430 case TARGET_NR_security:
2431 goto unimplemented;
2432 case TARGET_NR_gettid:
2433 ret = get_errno(gettid());
2434 break;
2435 case TARGET_NR_readahead:
2436 goto unimplemented;
2437 case TARGET_NR_setxattr:
2438 case TARGET_NR_lsetxattr:
2439 case TARGET_NR_fsetxattr:
2440 case TARGET_NR_getxattr:
2441 case TARGET_NR_lgetxattr:
2442 case TARGET_NR_fgetxattr:
2443 case TARGET_NR_listxattr:
2444 case TARGET_NR_llistxattr:
2445 case TARGET_NR_flistxattr:
2446 case TARGET_NR_removexattr:
2447 case TARGET_NR_lremovexattr:
2448 case TARGET_NR_fremovexattr:
2449 goto unimplemented_nowarn;
2450 case TARGET_NR_set_thread_area:
2451 case TARGET_NR_get_thread_area:
2452 goto unimplemented_nowarn;
2453 default:
2454 unimplemented:
2455 gemu_log("qemu: Unsupported syscall: %d\n", num);
2456 unimplemented_nowarn:
2457 ret = -ENOSYS;
2458 break;
2459 }
2460 fail:
2461 return ret;
2462 }
2463
Qemu copy for testing