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