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31e31b8a
FB		 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>
04369ff2 23#include <string.h>
31e31b8a
FB		 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>
9de5e440 41#include <sys/poll.h>
72f03900 42//#include <sys/user.h>
31e31b8a
FB		 43
44#define termios host_termios
45#define winsize host_winsize
46#define termio host_termio
04369ff2
FB		 47#define sgttyb host_sgttyb /* same as target */
48#define tchars host_tchars /* same as target */
49#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 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>
dab2ed99 57#include <linux/dirent.h>
31e31b8a 58
3ef693a0 59#include "qemu.h"
31e31b8a 60
72f03900 61//#define DEBUG
31e31b8a
FB		 62
63#ifndef PAGE_SIZE
64#define PAGE_SIZE 4096
65#define PAGE_MASK ~(PAGE_SIZE - 1)
66#endif
67
1a9353d2
FB		 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
9de5e440
FB		 72void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
73void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
66fb9763
FB		 74long do_sigreturn(CPUX86State *env);
75long do_rt_sigreturn(CPUX86State *env);
76
31e31b8a 77#define __NR_sys_uname __NR_uname
72f03900 78#define __NR_sys_getcwd1 __NR_getcwd
31e31b8a
FB		 79#define __NR_sys_statfs __NR_statfs
80#define __NR_sys_fstatfs __NR_fstatfs
72f03900 81#define __NR_sys_getdents __NR_getdents
dab2ed99 82#define __NR_sys_getdents64 __NR_getdents64
66fb9763 83#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
31e31b8a 84
72f03900 85#ifdef __NR_gettid
31e31b8a 86_syscall0(int, gettid)
72f03900
FB		 87#else
88static int gettid(void) {
89 return -ENOSYS;
90}
91#endif
31e31b8a 92_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB		 93_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
94_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
dab2ed99 95_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
31e31b8a
FB		 96_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
97 loff_t *, res, uint, wh);
72f03900
FB		 98_syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
99_syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
66fb9763
FB		 100_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
101
102extern int personality(int);
9de5e440
FB		 103extern int flock(int, int);
104extern int setfsuid(int);
105extern int setfsgid(int);
5cd4393b
FB		 106extern int setresuid(uid_t, uid_t, uid_t);
107extern int getresuid(uid_t *, uid_t *, uid_t *);
108extern int setresgid(gid_t, gid_t, gid_t);
109extern int getresgid(gid_t *, gid_t *, gid_t *);
31e31b8a
FB		 110
111static inline long get_errno(long ret)
112{
113 if (ret == -1)
114 return -errno;
115 else
116 return ret;
117}
118
119static inline int is_error(long ret)
120{
121 return (unsigned long)ret >= (unsigned long)(-4096);
122}
123
124static char *target_brk;
125static char *target_original_brk;
126
127void target_set_brk(char *new_brk)
128{
129 target_brk = new_brk;
130 target_original_brk = new_brk;
131}
132
133static 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
166static 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
188static 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
66fb9763 212static inline void target_to_host_timeval(struct timeval *tv,
5cd4393b 213 const struct target_timeval *target_tv)
31e31b8a 214{
66fb9763
FB		 215 tv->tv_sec = tswapl(target_tv->tv_sec);
216 tv->tv_usec = tswapl(target_tv->tv_usec);
31e31b8a
FB		 217}
218
66fb9763 219static inline void host_to_target_timeval(struct target_timeval *target_tv,
5cd4393b 220 const struct timeval *tv)
31e31b8a 221{
66fb9763
FB		 222 target_tv->tv_sec = tswapl(tv->tv_sec);
223 target_tv->tv_usec = tswapl(tv->tv_usec);
31e31b8a
FB		 224}
225
226
227static 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) {
5cd4393b 241 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 242 tv_ptr = &tv;
243 } else {
244 tv_ptr = NULL;
245 }
246 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
247 if (!is_error(ret)) {
248 host_to_target_fds(target_rfds, rfds_ptr, n);
249 host_to_target_fds(target_wfds, wfds_ptr, n);
250 host_to_target_fds(target_efds, efds_ptr, n);
251
252 if (target_tv) {
5cd4393b 253 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 254 }
255 }
256 return ret;
257}
258
259static long do_socketcall(int num, long *vptr)
260{
261 long ret;
262
263 switch(num) {
264 case SOCKOP_socket:
265 ret = get_errno(socket(vptr[0], vptr[1], vptr[2]));
266 break;
267 case SOCKOP_bind:
268 ret = get_errno(bind(vptr[0], (struct sockaddr *)vptr[1], vptr[2]));
269 break;
270 case SOCKOP_connect:
271 ret = get_errno(connect(vptr[0], (struct sockaddr *)vptr[1], vptr[2]));
272 break;
273 case SOCKOP_listen:
274 ret = get_errno(listen(vptr[0], vptr[1]));
275 break;
276 case SOCKOP_accept:
277 {
278 socklen_t size;
279 size = tswap32(*(int32_t *)vptr[2]);
280 ret = get_errno(accept(vptr[0], (struct sockaddr *)vptr[1], &size));
281 if (!is_error(ret))
282 *(int32_t *)vptr[2] = size;
283 }
284 break;
285 case SOCKOP_getsockname:
286 {
287 socklen_t size;
288 size = tswap32(*(int32_t *)vptr[2]);
289 ret = get_errno(getsockname(vptr[0], (struct sockaddr *)vptr[1], &size));
290 if (!is_error(ret))
291 *(int32_t *)vptr[2] = size;
292 }
293 break;
294 case SOCKOP_getpeername:
295 {
296 socklen_t size;
297 size = tswap32(*(int32_t *)vptr[2]);
298 ret = get_errno(getpeername(vptr[0], (struct sockaddr *)vptr[1], &size));
299 if (!is_error(ret))
300 *(int32_t *)vptr[2] = size;
301 }
302 break;
303 case SOCKOP_socketpair:
304 {
305 int tab[2];
306 int32_t *target_tab = (int32_t *)vptr[3];
307 ret = get_errno(socketpair(vptr[0], vptr[1], vptr[2], tab));
308 if (!is_error(ret)) {
309 target_tab[0] = tswap32(tab[0]);
310 target_tab[1] = tswap32(tab[1]);
311 }
312 }
313 break;
314 case SOCKOP_send:
315 ret = get_errno(send(vptr[0], (void *)vptr[1], vptr[2], vptr[3]));
316 break;
317 case SOCKOP_recv:
318 ret = get_errno(recv(vptr[0], (void *)vptr[1], vptr[2], vptr[3]));
319 break;
320 case SOCKOP_sendto:
321 ret = get_errno(sendto(vptr[0], (void *)vptr[1], vptr[2], vptr[3],
322 (struct sockaddr *)vptr[4], vptr[5]));
323 break;
324 case SOCKOP_recvfrom:
325 {
326 socklen_t size;
327 size = tswap32(*(int32_t *)vptr[5]);
328 ret = get_errno(recvfrom(vptr[0], (void *)vptr[1], vptr[2],
329 vptr[3], (struct sockaddr *)vptr[4], &size));
330 if (!is_error(ret))
331 *(int32_t *)vptr[5] = size;
332 }
333 break;
334 case SOCKOP_shutdown:
335 ret = get_errno(shutdown(vptr[0], vptr[1]));
336 break;
337 case SOCKOP_sendmsg:
338 case SOCKOP_recvmsg:
1a9353d2
FB		 339 {
340 int fd;
341 struct target_msghdr *msgp;
342 struct msghdr msg;
343 int flags, count, i;
344 struct iovec *vec;
345 struct target_iovec *target_vec;
346
347 msgp = (void *)vptr[1];
348 msg.msg_name = (void *)tswapl(msgp->msg_name);
349 msg.msg_namelen = tswapl(msgp->msg_namelen);
350 msg.msg_control = (void *)tswapl(msgp->msg_control);
351 msg.msg_controllen = tswapl(msgp->msg_controllen);
352 msg.msg_flags = tswap32(msgp->msg_flags);
353
354 count = tswapl(msgp->msg_iovlen);
355 vec = alloca(count * sizeof(struct iovec));
356 target_vec = (void *)tswapl(msgp->msg_iov);
357 for(i = 0;i < count; i++) {
358 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
359 vec[i].iov_len = tswapl(target_vec[i].iov_len);
360 }
361 msg.msg_iovlen = count;
362 msg.msg_iov = vec;
363
364 fd = vptr[0];
365 flags = vptr[2];
366 if (num == SOCKOP_sendmsg)
367 ret = sendmsg(fd, &msg, flags);
368 else
369 ret = recvmsg(fd, &msg, flags);
370 ret = get_errno(ret);
371 }
372 break;
31e31b8a
FB		 373 case SOCKOP_setsockopt:
374 case SOCKOP_getsockopt:
375 default:
376 gemu_log("Unsupported socketcall: %d\n", num);
377 ret = -ENOSYS;
378 break;
379 }
380 return ret;
381}
382
383/* kernel structure types definitions */
384#define IFNAMSIZ 16
385
386#define STRUCT(name, list...) STRUCT_ ## name,
387#define STRUCT_SPECIAL(name) STRUCT_ ## name,
388enum {
389#include "syscall_types.h"
390};
391#undef STRUCT
392#undef STRUCT_SPECIAL
393
394#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
395#define STRUCT_SPECIAL(name)
396#include "syscall_types.h"
397#undef STRUCT
398#undef STRUCT_SPECIAL
399
400typedef struct IOCTLEntry {
401 int target_cmd;
402 int host_cmd;
403 const char *name;
404 int access;
1a9353d2 405 const argtype arg_type[5];
31e31b8a
FB		 406} IOCTLEntry;
407
408#define IOC_R 0x0001
409#define IOC_W 0x0002
410#define IOC_RW (IOC_R | IOC_W)
411
412#define MAX_STRUCT_SIZE 4096
413
414const IOCTLEntry ioctl_entries[] = {
415#define IOCTL(cmd, access, types...) \
416 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
417#include "ioctls.h"
418 { 0, 0, },
419};
420
421static long do_ioctl(long fd, long cmd, long arg)
422{
423 const IOCTLEntry *ie;
424 const argtype *arg_type;
425 long ret;
426 uint8_t buf_temp[MAX_STRUCT_SIZE];
427
428 ie = ioctl_entries;
429 for(;;) {
430 if (ie->target_cmd == 0) {
431 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
432 return -ENOSYS;
433 }
434 if (ie->target_cmd == cmd)
435 break;
436 ie++;
437 }
438 arg_type = ie->arg_type;
9de5e440 439#if defined(DEBUG)
72f03900
FB		 440 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
441#endif
31e31b8a
FB		 442 switch(arg_type[0]) {
443 case TYPE_NULL:
444 /* no argument */
445 ret = get_errno(ioctl(fd, ie->host_cmd));
446 break;
447 case TYPE_PTRVOID:
448 case TYPE_INT:
449 /* int argment */
450 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
451 break;
452 case TYPE_PTR:
453 arg_type++;
454 switch(ie->access) {
455 case IOC_R:
456 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
457 if (!is_error(ret)) {
458 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
459 }
460 break;
461 case IOC_W:
462 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
463 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
464 break;
465 default:
466 case IOC_RW:
467 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
468 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
469 if (!is_error(ret)) {
470 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
471 }
472 break;
473 }
474 break;
475 default:
476 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
477 ret = -ENOSYS;
478 break;
479 }
480 return ret;
481}
482
483bitmask_transtbl iflag_tbl[] = {
484 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
485 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
486 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
487 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
488 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
489 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
490 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
491 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
492 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
493 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
494 { TARGET_IXON, TARGET_IXON, IXON, IXON },
495 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
496 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
497 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
498 { 0, 0, 0, 0 }
499};
500
501bitmask_transtbl oflag_tbl[] = {
502 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
503 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
504 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
505 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
506 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
507 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
508 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
509 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
510 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
511 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
512 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
513 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
514 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
515 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
516 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
517 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
518 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
519 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
520 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
521 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
522 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
523 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
524 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
525 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
526 { 0, 0, 0, 0 }
527};
528
529bitmask_transtbl cflag_tbl[] = {
530 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
531 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
532 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
533 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
534 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
535 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
536 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
537 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
538 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
539 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
540 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
541 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
542 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
543 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
544 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
545 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
546 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
547 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
548 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
549 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
550 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
551 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
552 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
553 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
554 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
555 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
556 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
557 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
558 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
559 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
560 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
561 { 0, 0, 0, 0 }
562};
563
564bitmask_transtbl lflag_tbl[] = {
565 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
566 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
567 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
568 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
569 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
570 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
571 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
572 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
573 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
574 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
575 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
576 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
577 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
578 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
579 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
580 { 0, 0, 0, 0 }
581};
582
583static void target_to_host_termios (void *dst, const void *src)
584{
585 struct host_termios *host = dst;
586 const struct target_termios *target = src;
587
588 host->c_iflag =
589 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
590 host->c_oflag =
591 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
592 host->c_cflag =
593 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
594 host->c_lflag =
595 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
596 host->c_line = target->c_line;
597
598 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
599 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
600 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
601 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
602 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
603 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
604 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
605 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
606 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
607 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
608 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
609 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
610 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
611 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
612 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
613 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
614 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
615}
616
617static void host_to_target_termios (void *dst, const void *src)
618{
619 struct target_termios *target = dst;
620 const struct host_termios *host = src;
621
622 target->c_iflag =
623 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
624 target->c_oflag =
625 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
626 target->c_cflag =
627 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
628 target->c_lflag =
629 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
630 target->c_line = host->c_line;
631
632 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
633 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
634 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
635 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
636 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
637 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
638 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
639 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
640 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
641 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
642 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
643 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
644 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
645 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
646 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
647 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
648 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
649}
650
651StructEntry struct_termios_def = {
652 .convert = { host_to_target_termios, target_to_host_termios },
653 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
654 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
655};
656
6dbad63e
FB		 657#ifdef TARGET_I386
658
659/* NOTE: there is really one LDT for all the threads */
660uint8_t *ldt_table;
661
662static int read_ldt(void *ptr, unsigned long bytecount)
663{
664 int size;
665
666 if (!ldt_table)
667 return 0;
668 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
669 if (size > bytecount)
670 size = bytecount;
671 memcpy(ptr, ldt_table, size);
672 return size;
673}
674
675/* XXX: add locking support */
676static int write_ldt(CPUX86State *env,
677 void *ptr, unsigned long bytecount, int oldmode)
678{
679 struct target_modify_ldt_ldt_s ldt_info;
680 int seg_32bit, contents, read_exec_only, limit_in_pages;
681 int seg_not_present, useable;
682 uint32_t *lp, entry_1, entry_2;
683
684 if (bytecount != sizeof(ldt_info))
685 return -EINVAL;
686 memcpy(&ldt_info, ptr, sizeof(ldt_info));
687 tswap32s(&ldt_info.entry_number);
688 tswapls((long *)&ldt_info.base_addr);
689 tswap32s(&ldt_info.limit);
690 tswap32s(&ldt_info.flags);
691
692 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
693 return -EINVAL;
694 seg_32bit = ldt_info.flags & 1;
695 contents = (ldt_info.flags >> 1) & 3;
696 read_exec_only = (ldt_info.flags >> 3) & 1;
697 limit_in_pages = (ldt_info.flags >> 4) & 1;
698 seg_not_present = (ldt_info.flags >> 5) & 1;
699 useable = (ldt_info.flags >> 6) & 1;
700
701 if (contents == 3) {
702 if (oldmode)
703 return -EINVAL;
704 if (seg_not_present == 0)
705 return -EINVAL;
706 }
707 /* allocate the LDT */
708 if (!ldt_table) {
709 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
710 if (!ldt_table)
711 return -ENOMEM;
712 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
713 env->ldt.base = ldt_table;
714 env->ldt.limit = 0xffff;
715 }
716
717 /* NOTE: same code as Linux kernel */
718 /* Allow LDTs to be cleared by the user. */
719 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
720 if (oldmode ||
721 (contents == 0 &&
722 read_exec_only == 1 &&
723 seg_32bit == 0 &&
724 limit_in_pages == 0 &&
725 seg_not_present == 1 &&
726 useable == 0 )) {
727 entry_1 = 0;
728 entry_2 = 0;
729 goto install;
730 }
731 }
732
733 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
734 (ldt_info.limit & 0x0ffff);
735 entry_2 = (ldt_info.base_addr & 0xff000000) |
736 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
737 (ldt_info.limit & 0xf0000) |
738 ((read_exec_only ^ 1) << 9) |
739 (contents << 10) |
740 ((seg_not_present ^ 1) << 15) |
741 (seg_32bit << 22) |
742 (limit_in_pages << 23) |
743 0x7000;
744 if (!oldmode)
745 entry_2 |= (useable << 20);
746
747 /* Install the new entry ... */
748install:
749 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
750 lp[0] = tswap32(entry_1);
751 lp[1] = tswap32(entry_2);
752 return 0;
753}
754
755/* specific and weird i386 syscalls */
5cd4393b 756int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
6dbad63e
FB		 757{
758 int ret = -ENOSYS;
759
760 switch (func) {
761 case 0:
762 ret = read_ldt(ptr, bytecount);
763 break;
764 case 1:
765 ret = write_ldt(env, ptr, bytecount, 1);
766 break;
767 case 0x11:
768 ret = write_ldt(env, ptr, bytecount, 0);
769 break;
770 }
771 return ret;
772}
1b6b029e 773
5cd4393b
FB		 774/* vm86 emulation */
775
776#define SAFE_MASK (0xDD5)
777
778int do_vm86(CPUX86State *env, long subfunction,
779 struct target_vm86plus_struct * target_v86)
780{
781 TaskState *ts = env->opaque;
782 int ret;
783
784 switch (subfunction) {
785 case TARGET_VM86_REQUEST_IRQ:
786 case TARGET_VM86_FREE_IRQ:
787 case TARGET_VM86_GET_IRQ_BITS:
788 case TARGET_VM86_GET_AND_RESET_IRQ:
789 gemu_log("qemu: unsupported vm86 subfunction (%ld)\n", subfunction);
790 ret = -EINVAL;
791 goto out;
792 case TARGET_VM86_PLUS_INSTALL_CHECK:
793 /* NOTE: on old vm86 stuff this will return the error
794 from verify_area(), because the subfunction is
795 interpreted as (invalid) address to vm86_struct.
796 So the installation check works.
797 */
798 ret = 0;
799 goto out;
800 }
801
802 ts->target_v86 = target_v86;
803
804 /* save current CPU regs */
805 ts->vm86_saved_regs.eax = 0; /* default vm86 syscall return code */
806 ts->vm86_saved_regs.ebx = env->regs[R_EBX];
807 ts->vm86_saved_regs.ecx = env->regs[R_ECX];
808 ts->vm86_saved_regs.edx = env->regs[R_EDX];
809 ts->vm86_saved_regs.esi = env->regs[R_ESI];
810 ts->vm86_saved_regs.edi = env->regs[R_EDI];
811 ts->vm86_saved_regs.ebp = env->regs[R_EBP];
812 ts->vm86_saved_regs.esp = env->regs[R_ESP];
813 ts->vm86_saved_regs.eflags = env->eflags;
814 ts->vm86_saved_regs.eip = env->eip;
815 ts->vm86_saved_regs.cs = env->segs[R_CS];
816 ts->vm86_saved_regs.ss = env->segs[R_SS];
817 ts->vm86_saved_regs.ds = env->segs[R_DS];
818 ts->vm86_saved_regs.es = env->segs[R_ES];
819 ts->vm86_saved_regs.fs = env->segs[R_FS];
820 ts->vm86_saved_regs.gs = env->segs[R_GS];
821
822 /* build vm86 CPU state */
823 env->eflags = (env->eflags & ~SAFE_MASK) |
824 (tswap32(target_v86->regs.eflags) & SAFE_MASK) | VM_MASK;
825
826 env->regs[R_EBX] = tswap32(target_v86->regs.ebx);
827 env->regs[R_ECX] = tswap32(target_v86->regs.ecx);
828 env->regs[R_EDX] = tswap32(target_v86->regs.edx);
829 env->regs[R_ESI] = tswap32(target_v86->regs.esi);
830 env->regs[R_EDI] = tswap32(target_v86->regs.edi);
831 env->regs[R_EBP] = tswap32(target_v86->regs.ebp);
832 env->regs[R_ESP] = tswap32(target_v86->regs.esp);
833 env->eip = tswap32(target_v86->regs.eip);
834 cpu_x86_load_seg(env, R_CS, tswap16(target_v86->regs.cs));
835 cpu_x86_load_seg(env, R_SS, tswap16(target_v86->regs.ss));
836 cpu_x86_load_seg(env, R_DS, tswap16(target_v86->regs.ds));
837 cpu_x86_load_seg(env, R_ES, tswap16(target_v86->regs.es));
838 cpu_x86_load_seg(env, R_FS, tswap16(target_v86->regs.fs));
839 cpu_x86_load_seg(env, R_GS, tswap16(target_v86->regs.gs));
840 ret = tswap32(target_v86->regs.eax); /* eax will be restored at
841 the end of the syscall */
842 /* now the virtual CPU is ready for vm86 execution ! */
843 out:
844 return ret;
845}
846
1b6b029e
FB		 847/* this stack is the equivalent of the kernel stack associated with a
848 thread/process */
849#define NEW_STACK_SIZE 8192
850
851static int clone_func(void *arg)
852{
853 CPUX86State *env = arg;
854 cpu_loop(env);
855 /* never exits */
856 return 0;
857}
858
859int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp)
860{
861 int ret;
5cd4393b 862 TaskState *ts;
1b6b029e
FB		 863 uint8_t *new_stack;
864 CPUX86State *new_env;
865
866 if (flags & CLONE_VM) {
867 if (!newsp)
868 newsp = env->regs[R_ESP];
5cd4393b
FB		 869 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
870 memset(ts, 0, sizeof(TaskState));
871 new_stack = ts->stack;
872 ts->used = 1;
873 /* add in task state list */
874 ts->next = first_task_state;
875 first_task_state = ts;
1b6b029e
FB		 876 /* we create a new CPU instance. */
877 new_env = cpu_x86_init();
878 memcpy(new_env, env, sizeof(CPUX86State));
879 new_env->regs[R_ESP] = newsp;
880 new_env->regs[R_EAX] = 0;
5cd4393b 881 new_env->opaque = ts;
1b6b029e
FB		 882 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
883 } else {
884 /* if no CLONE_VM, we consider it is a fork */
885 if ((flags & ~CSIGNAL) != 0)
886 return -EINVAL;
887 ret = fork();
888 }
889 return ret;
890}
891
6dbad63e
FB		 892#endif
893
b03c60f3
FB		 894#define high2lowuid(x) (x)
895#define high2lowgid(x) (x)
896#define low2highuid(x) (x)
897#define low2highgid(x) (x)
1b6b029e 898
31e31b8a
FB		 899void syscall_init(void)
900{
901#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
902#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
903#include "syscall_types.h"
904#undef STRUCT
905#undef STRUCT_SPECIAL
906}
907
6dbad63e 908long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 909 long arg4, long arg5, long arg6)
910{
911 long ret;
912 struct stat st;
72f03900 913 struct kernel_statfs *stfs;
31e31b8a 914
72f03900
FB		 915#ifdef DEBUG
916 gemu_log("syscall %d\n", num);
917#endif
31e31b8a
FB		 918 switch(num) {
919 case TARGET_NR_exit:
7d13299d
FB		 920#ifdef HAVE_GPROF
921 _mcleanup();
922#endif
1b6b029e 923 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 924 _exit(arg1);
925 ret = 0; /* avoid warning */
926 break;
927 case TARGET_NR_read:
928 ret = get_errno(read(arg1, (void *)arg2, arg3));
929 break;
930 case TARGET_NR_write:
931 ret = get_errno(write(arg1, (void *)arg2, arg3));
932 break;
933 case TARGET_NR_open:
934 ret = get_errno(open((const char *)arg1, arg2, arg3));
935 break;
936 case TARGET_NR_close:
937 ret = get_errno(close(arg1));
938 break;
939 case TARGET_NR_brk:
940 ret = do_brk((char *)arg1);
941 break;
942 case TARGET_NR_fork:
1b6b029e 943 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a
FB		 944 break;
945 case TARGET_NR_waitpid:
946 {
947 int *status = (int *)arg2;
948 ret = get_errno(waitpid(arg1, status, arg3));
949 if (!is_error(ret) && status)
950 tswapls((long *)&status);
951 }
952 break;
953 case TARGET_NR_creat:
954 ret = get_errno(creat((const char *)arg1, arg2));
955 break;
956 case TARGET_NR_link:
957 ret = get_errno(link((const char *)arg1, (const char *)arg2));
958 break;
959 case TARGET_NR_unlink:
960 ret = get_errno(unlink((const char *)arg1));
961 break;
962 case TARGET_NR_execve:
963 ret = get_errno(execve((const char *)arg1, (void *)arg2, (void *)arg3));
964 break;
965 case TARGET_NR_chdir:
966 ret = get_errno(chdir((const char *)arg1));
967 break;
968 case TARGET_NR_time:
969 {
970 int *time_ptr = (int *)arg1;
971 ret = get_errno(time((time_t *)time_ptr));
972 if (!is_error(ret) && time_ptr)
973 tswap32s(time_ptr);
974 }
975 break;
976 case TARGET_NR_mknod:
977 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
978 break;
979 case TARGET_NR_chmod:
980 ret = get_errno(chmod((const char *)arg1, arg2));
981 break;
982 case TARGET_NR_lchown:
983 ret = get_errno(chown((const char *)arg1, arg2, arg3));
984 break;
985 case TARGET_NR_break:
986 goto unimplemented;
987 case TARGET_NR_oldstat:
988 goto unimplemented;
989 case TARGET_NR_lseek:
990 ret = get_errno(lseek(arg1, arg2, arg3));
991 break;
992 case TARGET_NR_getpid:
993 ret = get_errno(getpid());
994 break;
995 case TARGET_NR_mount:
996 /* need to look at the data field */
997 goto unimplemented;
998 case TARGET_NR_umount:
999 ret = get_errno(umount((const char *)arg1));
1000 break;
1001 case TARGET_NR_setuid:
b03c60f3 1002 ret = get_errno(setuid(low2highuid(arg1)));
31e31b8a
FB		 1003 break;
1004 case TARGET_NR_getuid:
1005 ret = get_errno(getuid());
1006 break;
1007 case TARGET_NR_stime:
1008 {
1009 int *time_ptr = (int *)arg1;
1010 if (time_ptr)
1011 tswap32s(time_ptr);
1012 ret = get_errno(stime((time_t *)time_ptr));
1013 }
1014 break;
1015 case TARGET_NR_ptrace:
1016 goto unimplemented;
1017 case TARGET_NR_alarm:
1018 ret = alarm(arg1);
1019 break;
1020 case TARGET_NR_oldfstat:
1021 goto unimplemented;
1022 case TARGET_NR_pause:
1023 ret = get_errno(pause());
1024 break;
1025 case TARGET_NR_utime:
1026 goto unimplemented;
1027 case TARGET_NR_stty:
1028 goto unimplemented;
1029 case TARGET_NR_gtty:
1030 goto unimplemented;
1031 case TARGET_NR_access:
1032 ret = get_errno(access((const char *)arg1, arg2));
1033 break;
1034 case TARGET_NR_nice:
1035 ret = get_errno(nice(arg1));
1036 break;
1037 case TARGET_NR_ftime:
1038 goto unimplemented;
1039 case TARGET_NR_sync:
04369ff2
FB		 1040 sync();
1041 ret = 0;
31e31b8a
FB		 1042 break;
1043 case TARGET_NR_kill:
1044 ret = get_errno(kill(arg1, arg2));
1045 break;
1046 case TARGET_NR_rename:
1047 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1048 break;
1049 case TARGET_NR_mkdir:
1050 ret = get_errno(mkdir((const char *)arg1, arg2));
1051 break;
1052 case TARGET_NR_rmdir:
1053 ret = get_errno(rmdir((const char *)arg1));
1054 break;
1055 case TARGET_NR_dup:
1056 ret = get_errno(dup(arg1));
1057 break;
1058 case TARGET_NR_pipe:
1059 {
1060 int *pipe_ptr = (int *)arg1;
1061 ret = get_errno(pipe(pipe_ptr));
1062 if (!is_error(ret)) {
1063 tswap32s(&pipe_ptr[0]);
1064 tswap32s(&pipe_ptr[1]);
1065 }
1066 }
1067 break;
1068 case TARGET_NR_times:
1069 goto unimplemented;
1070 case TARGET_NR_prof:
1071 goto unimplemented;
1072 case TARGET_NR_setgid:
b03c60f3 1073 ret = get_errno(setgid(low2highgid(arg1)));
31e31b8a
FB		 1074 break;
1075 case TARGET_NR_getgid:
1076 ret = get_errno(getgid());
1077 break;
1078 case TARGET_NR_signal:
1079 goto unimplemented;
1080 case TARGET_NR_geteuid:
1081 ret = get_errno(geteuid());
1082 break;
1083 case TARGET_NR_getegid:
1084 ret = get_errno(getegid());
1085 break;
1086 case TARGET_NR_acct:
1087 goto unimplemented;
1088 case TARGET_NR_umount2:
1089 ret = get_errno(umount2((const char *)arg1, arg2));
1090 break;
1091 case TARGET_NR_lock:
1092 goto unimplemented;
1093 case TARGET_NR_ioctl:
1094 ret = do_ioctl(arg1, arg2, arg3);
1095 break;
1096 case TARGET_NR_fcntl:
1097 switch(arg2) {
1098 case F_GETLK:
1099 case F_SETLK:
1100 case F_SETLKW:
1101 goto unimplemented;
1102 default:
1103 ret = get_errno(fcntl(arg1, arg2, arg3));
1104 break;
1105 }
1106 break;
1107 case TARGET_NR_mpx:
1108 goto unimplemented;
1109 case TARGET_NR_setpgid:
1110 ret = get_errno(setpgid(arg1, arg2));
1111 break;
1112 case TARGET_NR_ulimit:
1113 goto unimplemented;
1114 case TARGET_NR_oldolduname:
1115 goto unimplemented;
1116 case TARGET_NR_umask:
1117 ret = get_errno(umask(arg1));
1118 break;
1119 case TARGET_NR_chroot:
1120 ret = get_errno(chroot((const char *)arg1));
1121 break;
1122 case TARGET_NR_ustat:
1123 goto unimplemented;
1124 case TARGET_NR_dup2:
1125 ret = get_errno(dup2(arg1, arg2));
1126 break;
1127 case TARGET_NR_getppid:
1128 ret = get_errno(getppid());
1129 break;
1130 case TARGET_NR_getpgrp:
1131 ret = get_errno(getpgrp());
1132 break;
1133 case TARGET_NR_setsid:
1134 ret = get_errno(setsid());
1135 break;
1136 case TARGET_NR_sigaction:
31e31b8a 1137 {
66fb9763
FB		 1138 struct target_old_sigaction *old_act = (void *)arg2;
1139 struct target_old_sigaction *old_oact = (void *)arg3;
1140 struct target_sigaction act, oact, *pact;
1141 if (old_act) {
1142 act._sa_handler = old_act->_sa_handler;
1143 target_siginitset(&act.sa_mask, old_act->sa_mask);
1144 act.sa_flags = old_act->sa_flags;
1145 act.sa_restorer = old_act->sa_restorer;
1146 pact = &act;
1147 } else {
1148 pact = NULL;
1149 }
1150 ret = get_errno(do_sigaction(arg1, pact, &oact));
1151 if (!is_error(ret) && old_oact) {
1152 old_oact->_sa_handler = oact._sa_handler;
1153 old_oact->sa_mask = oact.sa_mask.sig[0];
1154 old_oact->sa_flags = oact.sa_flags;
1155 old_oact->sa_restorer = oact.sa_restorer;
1156 }
31e31b8a
FB		 1157 }
1158 break;
66fb9763
FB		 1159 case TARGET_NR_rt_sigaction:
1160 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1161 break;
31e31b8a 1162 case TARGET_NR_sgetmask:
66fb9763
FB		 1163 {
1164 sigset_t cur_set;
1165 target_ulong target_set;
1166 sigprocmask(0, NULL, &cur_set);
1167 host_to_target_old_sigset(&target_set, &cur_set);
1168 ret = target_set;
1169 }
1170 break;
31e31b8a 1171 case TARGET_NR_ssetmask:
66fb9763
FB		 1172 {
1173 sigset_t set, oset, cur_set;
1174 target_ulong target_set = arg1;
1175 sigprocmask(0, NULL, &cur_set);
1176 target_to_host_old_sigset(&set, &target_set);
1177 sigorset(&set, &set, &cur_set);
1178 sigprocmask(SIG_SETMASK, &set, &oset);
1179 host_to_target_old_sigset(&target_set, &oset);
1180 ret = target_set;
1181 }
1182 break;
1183 case TARGET_NR_sigprocmask:
1184 {
1185 int how = arg1;
1186 sigset_t set, oldset, *set_ptr;
1187 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1188
1189 if (pset) {
1190 switch(how) {
1191 case TARGET_SIG_BLOCK:
1192 how = SIG_BLOCK;
1193 break;
1194 case TARGET_SIG_UNBLOCK:
1195 how = SIG_UNBLOCK;
1196 break;
1197 case TARGET_SIG_SETMASK:
1198 how = SIG_SETMASK;
1199 break;
1200 default:
1201 ret = -EINVAL;
1202 goto fail;
1203 }
1204 target_to_host_old_sigset(&set, pset);
1205 set_ptr = &set;
1206 } else {
1207 how = 0;
1208 set_ptr = NULL;
1209 }
1210 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1211 if (!is_error(ret) && poldset) {
1212 host_to_target_old_sigset(poldset, &oldset);
1213 }
1214 }
1215 break;
1216 case TARGET_NR_rt_sigprocmask:
1217 {
1218 int how = arg1;
1219 sigset_t set, oldset, *set_ptr;
1220 target_sigset_t *pset = (void *)arg2;
1221 target_sigset_t *poldset = (void *)arg3;
1222
1223 if (pset) {
1224 switch(how) {
1225 case TARGET_SIG_BLOCK:
1226 how = SIG_BLOCK;
1227 break;
1228 case TARGET_SIG_UNBLOCK:
1229 how = SIG_UNBLOCK;
1230 break;
1231 case TARGET_SIG_SETMASK:
1232 how = SIG_SETMASK;
1233 break;
1234 default:
1235 ret = -EINVAL;
1236 goto fail;
1237 }
1238 target_to_host_sigset(&set, pset);
1239 set_ptr = &set;
1240 } else {
1241 how = 0;
1242 set_ptr = NULL;
1243 }
1244 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1245 if (!is_error(ret) && poldset) {
1246 host_to_target_sigset(poldset, &oldset);
1247 }
1248 }
1249 break;
1250 case TARGET_NR_sigpending:
1251 {
1252 sigset_t set;
1253 ret = get_errno(sigpending(&set));
1254 if (!is_error(ret)) {
1255 host_to_target_old_sigset((target_ulong *)arg1, &set);
1256 }
1257 }
1258 break;
1259 case TARGET_NR_rt_sigpending:
1260 {
1261 sigset_t set;
1262 ret = get_errno(sigpending(&set));
1263 if (!is_error(ret)) {
1264 host_to_target_sigset((target_sigset_t *)arg1, &set);
1265 }
1266 }
1267 break;
1268 case TARGET_NR_sigsuspend:
1269 {
1270 sigset_t set;
1271 target_to_host_old_sigset(&set, (target_ulong *)arg1);
1272 ret = get_errno(sigsuspend(&set));
1273 }
1274 break;
1275 case TARGET_NR_rt_sigsuspend:
1276 {
1277 sigset_t set;
1278 target_to_host_sigset(&set, (target_sigset_t *)arg1);
1279 ret = get_errno(sigsuspend(&set));
1280 }
1281 break;
1282 case TARGET_NR_rt_sigtimedwait:
1283 {
1284 target_sigset_t *target_set = (void *)arg1;
1285 target_siginfo_t *target_uinfo = (void *)arg2;
1286 struct target_timespec *target_uts = (void *)arg3;
1287 sigset_t set;
1288 struct timespec uts, *puts;
1289 siginfo_t uinfo;
1290
1291 target_to_host_sigset(&set, target_set);
1292 if (target_uts) {
1293 puts = &uts;
1294 puts->tv_sec = tswapl(target_uts->tv_sec);
1295 puts->tv_nsec = tswapl(target_uts->tv_nsec);
1296 } else {
1297 puts = NULL;
1298 }
1299 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1300 if (!is_error(ret) && target_uinfo) {
1301 host_to_target_siginfo(target_uinfo, &uinfo);
1302 }
1303 }
1304 break;
1305 case TARGET_NR_rt_sigqueueinfo:
1306 {
1307 siginfo_t uinfo;
1308 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
1309 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
1310 }
1311 break;
1312 case TARGET_NR_sigreturn:
1313 /* NOTE: ret is eax, so not transcoding must be done */
1314 ret = do_sigreturn(cpu_env);
1315 break;
1316 case TARGET_NR_rt_sigreturn:
1317 /* NOTE: ret is eax, so not transcoding must be done */
1318 ret = do_rt_sigreturn(cpu_env);
1319 break;
31e31b8a
FB		 1320 case TARGET_NR_setreuid:
1321 ret = get_errno(setreuid(arg1, arg2));
1322 break;
1323 case TARGET_NR_setregid:
1324 ret = get_errno(setregid(arg1, arg2));
1325 break;
31e31b8a
FB		 1326 case TARGET_NR_sethostname:
1327 ret = get_errno(sethostname((const char *)arg1, arg2));
1328 break;
1329 case TARGET_NR_setrlimit:
9de5e440
FB		 1330 {
1331 /* XXX: convert resource ? */
1332 int resource = arg1;
1333 struct target_rlimit *target_rlim = (void *)arg2;
1334 struct rlimit rlim;
1335 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
1336 rlim.rlim_max = tswapl(target_rlim->rlim_max);
1337 ret = get_errno(setrlimit(resource, &rlim));
1338 }
1339 break;
31e31b8a 1340 case TARGET_NR_getrlimit:
9de5e440
FB		 1341 {
1342 /* XXX: convert resource ? */
1343 int resource = arg1;
1344 struct target_rlimit *target_rlim = (void *)arg2;
1345 struct rlimit rlim;
1346
1347 ret = get_errno(getrlimit(resource, &rlim));
1348 if (!is_error(ret)) {
1349 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
1350 target_rlim->rlim_max = tswapl(rlim.rlim_max);
1351 }
1352 }
1353 break;
31e31b8a
FB		 1354 case TARGET_NR_getrusage:
1355 goto unimplemented;
1356 case TARGET_NR_gettimeofday:
1357 {
1358 struct target_timeval *target_tv = (void *)arg1;
1359 struct timeval tv;
1360 ret = get_errno(gettimeofday(&tv, NULL));
1361 if (!is_error(ret)) {
5cd4393b 1362 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 1363 }
1364 }
1365 break;
1366 case TARGET_NR_settimeofday:
1367 {
1368 struct target_timeval *target_tv = (void *)arg1;
1369 struct timeval tv;
5cd4393b 1370 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 1371 ret = get_errno(settimeofday(&tv, NULL));
1372 }
1373 break;
1374 case TARGET_NR_getgroups:
1375 goto unimplemented;
1376 case TARGET_NR_setgroups:
1377 goto unimplemented;
1378 case TARGET_NR_select:
1379 goto unimplemented;
1380 case TARGET_NR_symlink:
1381 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
1382 break;
1383 case TARGET_NR_oldlstat:
1384 goto unimplemented;
1385 case TARGET_NR_readlink:
1386 ret = get_errno(readlink((const char *)arg1, (char *)arg2, arg3));
1387 break;
1388 case TARGET_NR_uselib:
1389 goto unimplemented;
1390 case TARGET_NR_swapon:
1391 ret = get_errno(swapon((const char *)arg1, arg2));
1392 break;
1393 case TARGET_NR_reboot:
1394 goto unimplemented;
1395 case TARGET_NR_readdir:
1396 goto unimplemented;
1397#ifdef TARGET_I386
1398 case TARGET_NR_mmap:
1399 {
1400 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
1401 vptr = (uint32_t *)arg1;
1402 v1 = tswap32(vptr[0]);
1403 v2 = tswap32(vptr[1]);
1404 v3 = tswap32(vptr[2]);
1405 v4 = tswap32(vptr[3]);
1406 v5 = tswap32(vptr[4]);
1407 v6 = tswap32(vptr[5]);
1408 ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6));
1409 }
1410 break;
1411#endif
1412#ifdef TARGET_I386
1413 case TARGET_NR_mmap2:
1414#else
1415 case TARGET_NR_mmap:
1416#endif
1417 ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6));
1418 break;
1419 case TARGET_NR_munmap:
1420 ret = get_errno(munmap((void *)arg1, arg2));
1421 break;
9de5e440
FB		 1422 case TARGET_NR_mprotect:
1423 ret = get_errno(mprotect((void *)arg1, arg2, arg3));
1424 break;
1425 case TARGET_NR_mremap:
1426 ret = get_errno((long)mremap((void *)arg1, arg2, arg3, arg4));
1427 break;
1428 case TARGET_NR_msync:
1429 ret = get_errno(msync((void *)arg1, arg2, arg3));
1430 break;
1431 case TARGET_NR_mlock:
1432 ret = get_errno(mlock((void *)arg1, arg2));
1433 break;
1434 case TARGET_NR_munlock:
1435 ret = get_errno(munlock((void *)arg1, arg2));
1436 break;
1437 case TARGET_NR_mlockall:
1438 ret = get_errno(mlockall(arg1));
1439 break;
1440 case TARGET_NR_munlockall:
1441 ret = get_errno(munlockall());
1442 break;
31e31b8a
FB		 1443 case TARGET_NR_truncate:
1444 ret = get_errno(truncate((const char *)arg1, arg2));
1445 break;
1446 case TARGET_NR_ftruncate:
1447 ret = get_errno(ftruncate(arg1, arg2));
1448 break;
1449 case TARGET_NR_fchmod:
1450 ret = get_errno(fchmod(arg1, arg2));
1451 break;
1452 case TARGET_NR_fchown:
1453 ret = get_errno(fchown(arg1, arg2, arg3));
1454 break;
1455 case TARGET_NR_getpriority:
1456 ret = get_errno(getpriority(arg1, arg2));
1457 break;
1458 case TARGET_NR_setpriority:
1459 ret = get_errno(setpriority(arg1, arg2, arg3));
1460 break;
1461 case TARGET_NR_profil:
1462 goto unimplemented;
1463 case TARGET_NR_statfs:
1464 stfs = (void *)arg2;
1465 ret = get_errno(sys_statfs((const char *)arg1, stfs));
1466 convert_statfs:
1467 if (!is_error(ret)) {
1468 tswap32s(&stfs->f_type);
1469 tswap32s(&stfs->f_bsize);
1470 tswap32s(&stfs->f_blocks);
1471 tswap32s(&stfs->f_bfree);
1472 tswap32s(&stfs->f_bavail);
1473 tswap32s(&stfs->f_files);
1474 tswap32s(&stfs->f_ffree);
1475 tswap32s(&stfs->f_fsid.val[0]);
1476 tswap32s(&stfs->f_fsid.val[1]);
1477 tswap32s(&stfs->f_namelen);
1478 }
1479 break;
1480 case TARGET_NR_fstatfs:
1481 stfs = (void *)arg2;
1482 ret = get_errno(sys_fstatfs(arg1, stfs));
1483 goto convert_statfs;
1484 case TARGET_NR_ioperm:
1485 goto unimplemented;
1486 case TARGET_NR_socketcall:
1487 ret = do_socketcall(arg1, (long *)arg2);
1488 break;
1489 case TARGET_NR_syslog:
1490 goto unimplemented;
1491 case TARGET_NR_setitimer:
66fb9763
FB		 1492 {
1493 struct target_itimerval *target_value = (void *)arg2;
1494 struct target_itimerval *target_ovalue = (void *)arg3;
1495 struct itimerval value, ovalue, *pvalue;
1496
1497 if (target_value) {
1498 pvalue = &value;
1499 target_to_host_timeval(&pvalue->it_interval,
1500 &target_value->it_interval);
1501 target_to_host_timeval(&pvalue->it_value,
1502 &target_value->it_value);
1503 } else {
1504 pvalue = NULL;
1505 }
1506 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1507 if (!is_error(ret) && target_ovalue) {
1508 host_to_target_timeval(&target_ovalue->it_interval,
1509 &ovalue.it_interval);
1510 host_to_target_timeval(&target_ovalue->it_value,
1511 &ovalue.it_value);
1512 }
1513 }
1514 break;
31e31b8a 1515 case TARGET_NR_getitimer:
66fb9763
FB		 1516 {
1517 struct target_itimerval *target_value = (void *)arg2;
1518 struct itimerval value;
1519
1520 ret = get_errno(getitimer(arg1, &value));
1521 if (!is_error(ret) && target_value) {
1522 host_to_target_timeval(&target_value->it_interval,
1523 &value.it_interval);
1524 host_to_target_timeval(&target_value->it_value,
1525 &value.it_value);
1526 }
1527 }
1528 break;
31e31b8a
FB		 1529 case TARGET_NR_stat:
1530 ret = get_errno(stat((const char *)arg1, &st));
1531 goto do_stat;
1532 case TARGET_NR_lstat:
1533 ret = get_errno(lstat((const char *)arg1, &st));
1534 goto do_stat;
1535 case TARGET_NR_fstat:
1536 {
1537 ret = get_errno(fstat(arg1, &st));
1538 do_stat:
1539 if (!is_error(ret)) {
1540 struct target_stat *target_st = (void *)arg2;
1541 target_st->st_dev = tswap16(st.st_dev);
1542 target_st->st_ino = tswapl(st.st_ino);
1543 target_st->st_mode = tswap16(st.st_mode);
1544 target_st->st_nlink = tswap16(st.st_nlink);
1545 target_st->st_uid = tswap16(st.st_uid);
1546 target_st->st_gid = tswap16(st.st_gid);
1547 target_st->st_rdev = tswap16(st.st_rdev);
1548 target_st->st_size = tswapl(st.st_size);
1549 target_st->st_blksize = tswapl(st.st_blksize);
1550 target_st->st_blocks = tswapl(st.st_blocks);
1551 target_st->st_atime = tswapl(st.st_atime);
1552 target_st->st_mtime = tswapl(st.st_mtime);
1553 target_st->st_ctime = tswapl(st.st_ctime);
1554 }
1555 }
1556 break;
1557 case TARGET_NR_olduname:
1558 goto unimplemented;
1559 case TARGET_NR_iopl:
1560 goto unimplemented;
1561 case TARGET_NR_vhangup:
1562 ret = get_errno(vhangup());
1563 break;
1564 case TARGET_NR_idle:
1565 goto unimplemented;
31e31b8a
FB		 1566 case TARGET_NR_wait4:
1567 {
1568 int status;
1569 target_long *status_ptr = (void *)arg2;
1570 struct rusage rusage, *rusage_ptr;
1571 struct target_rusage *target_rusage = (void *)arg4;
1572 if (target_rusage)
1573 rusage_ptr = &rusage;
1574 else
1575 rusage_ptr = NULL;
1576 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
1577 if (!is_error(ret)) {
1578 if (status_ptr)
1579 *status_ptr = tswap32(status);
1580 if (target_rusage) {
1581 target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec);
1582 target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec);
1583 target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec);
1584 target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec);
1585 target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss);
1586 target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss);
1587 target_rusage->ru_idrss = tswapl(rusage.ru_idrss);
1588 target_rusage->ru_isrss = tswapl(rusage.ru_isrss);
1589 target_rusage->ru_minflt = tswapl(rusage.ru_minflt);
1590 target_rusage->ru_majflt = tswapl(rusage.ru_majflt);
1591 target_rusage->ru_nswap = tswapl(rusage.ru_nswap);
1592 target_rusage->ru_inblock = tswapl(rusage.ru_inblock);
1593 target_rusage->ru_oublock = tswapl(rusage.ru_oublock);
1594 target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd);
1595 target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv);
1596 target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals);
1597 target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw);
1598 target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw);
1599 }
1600 }
1601 }
1602 break;
1603 case TARGET_NR_swapoff:
1604 ret = get_errno(swapoff((const char *)arg1));
1605 break;
1606 case TARGET_NR_sysinfo:
1607 goto unimplemented;
1608 case TARGET_NR_ipc:
1609 goto unimplemented;
1610 case TARGET_NR_fsync:
1611 ret = get_errno(fsync(arg1));
1612 break;
31e31b8a 1613 case TARGET_NR_clone:
1b6b029e
FB		 1614 ret = get_errno(do_fork(cpu_env, arg1, arg2));
1615 break;
31e31b8a
FB		 1616 case TARGET_NR_setdomainname:
1617 ret = get_errno(setdomainname((const char *)arg1, arg2));
1618 break;
1619 case TARGET_NR_uname:
1620 /* no need to transcode because we use the linux syscall */
1621 ret = get_errno(sys_uname((struct new_utsname *)arg1));
1622 break;
6dbad63e 1623#ifdef TARGET_I386
31e31b8a 1624 case TARGET_NR_modify_ldt:
5cd4393b
FB		 1625 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
1626 break;
1627 case TARGET_NR_vm86old:
1628 goto unimplemented;
1629 case TARGET_NR_vm86:
1630 ret = do_vm86(cpu_env, arg1, (void *)arg2);
6dbad63e
FB		 1631 break;
1632#endif
31e31b8a
FB		 1633 case TARGET_NR_adjtimex:
1634 goto unimplemented;
31e31b8a
FB		 1635 case TARGET_NR_create_module:
1636 case TARGET_NR_init_module:
1637 case TARGET_NR_delete_module:
1638 case TARGET_NR_get_kernel_syms:
1639 goto unimplemented;
1640 case TARGET_NR_quotactl:
1641 goto unimplemented;
1642 case TARGET_NR_getpgid:
1643 ret = get_errno(getpgid(arg1));
1644 break;
1645 case TARGET_NR_fchdir:
1646 ret = get_errno(fchdir(arg1));
1647 break;
1648 case TARGET_NR_bdflush:
1649 goto unimplemented;
1650 case TARGET_NR_sysfs:
1651 goto unimplemented;
1652 case TARGET_NR_personality:
1b6b029e 1653 ret = get_errno(personality(arg1));
31e31b8a
FB		 1654 break;
1655 case TARGET_NR_afs_syscall:
1656 goto unimplemented;
1657 case TARGET_NR_setfsuid:
9de5e440
FB		 1658 ret = get_errno(setfsuid(arg1));
1659 break;
31e31b8a 1660 case TARGET_NR_setfsgid:
9de5e440
FB		 1661 ret = get_errno(setfsgid(arg1));
1662 break;
31e31b8a
FB		 1663 case TARGET_NR__llseek:
1664 {
1665 int64_t res;
1666 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1667 *(int64_t *)arg4 = tswap64(res);
1668 }
1669 break;
1670 case TARGET_NR_getdents:
1671#if TARGET_LONG_SIZE != 4
1672#error not supported
1673#endif
1674 {
1675 struct dirent *dirp = (void *)arg2;
1676 long count = arg3;
dab2ed99 1677
72f03900 1678 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 1679 if (!is_error(ret)) {
1680 struct dirent *de;
1681 int len = ret;
1682 int reclen;
1683 de = dirp;
1684 while (len > 0) {
8083a3e5 1685 reclen = de->d_reclen;
31e31b8a
FB		 1686 if (reclen > len)
1687 break;
8083a3e5 1688 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 1689 tswapls(&de->d_ino);
1690 tswapls(&de->d_off);
1691 de = (struct dirent *)((char *)de + reclen);
1692 len -= reclen;
1693 }
1694 }
1695 }
1696 break;
dab2ed99
FB		 1697 case TARGET_NR_getdents64:
1698 {
1699 struct dirent64 *dirp = (void *)arg2;
1700 long count = arg3;
1701 ret = get_errno(sys_getdents64(arg1, dirp, count));
1702 if (!is_error(ret)) {
1703 struct dirent64 *de;
1704 int len = ret;
1705 int reclen;
1706 de = dirp;
1707 while (len > 0) {
8083a3e5 1708 reclen = de->d_reclen;
dab2ed99
FB		 1709 if (reclen > len)
1710 break;
8083a3e5 1711 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 1712 tswap64s(&de->d_ino);
1713 tswap64s(&de->d_off);
1714 de = (struct dirent64 *)((char *)de + reclen);
1715 len -= reclen;
1716 }
1717 }
1718 }
1719 break;
31e31b8a
FB		 1720 case TARGET_NR__newselect:
1721 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
1722 (void *)arg5);
1723 break;
9de5e440
FB		 1724 case TARGET_NR_poll:
1725 {
1726 struct target_pollfd *target_pfd = (void *)arg1;
1727 unsigned int nfds = arg2;
1728 int timeout = arg3;
1729 struct pollfd *pfd;
1730 int i;
1731
1732 pfd = alloca(sizeof(struct pollfd) * nfds);
1733 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 1734 pfd[i].fd = tswap32(target_pfd[i].fd);
1735 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 1736 }
1737 ret = get_errno(poll(pfd, nfds, timeout));
1738 if (!is_error(ret)) {
1739 for(i = 0; i < nfds; i++) {
5cd4393b 1740 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 1741 }
1742 }
1743 }
1744 break;
31e31b8a 1745 case TARGET_NR_flock:
9de5e440
FB		 1746 /* NOTE: the flock constant seems to be the same for every
1747 Linux platform */
1748 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 1749 break;
1750 case TARGET_NR_readv:
1751 {
1752 int count = arg3;
1753 int i;
1754 struct iovec *vec;
1755 struct target_iovec *target_vec = (void *)arg2;
1756
1757 vec = alloca(count * sizeof(struct iovec));
1758 for(i = 0;i < count; i++) {
1759 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
1760 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1761 }
1762 ret = get_errno(readv(arg1, vec, count));
1763 }
1764 break;
1765 case TARGET_NR_writev:
1766 {
1767 int count = arg3;
1768 int i;
1769 struct iovec *vec;
1770 struct target_iovec *target_vec = (void *)arg2;
1771
1772 vec = alloca(count * sizeof(struct iovec));
1773 for(i = 0;i < count; i++) {
1774 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
1775 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1776 }
1777 ret = get_errno(writev(arg1, vec, count));
1778 }
1779 break;
1780 case TARGET_NR_getsid:
1781 ret = get_errno(getsid(arg1));
1782 break;
1783 case TARGET_NR_fdatasync:
5cd4393b
FB		 1784 ret = get_errno(fdatasync(arg1));
1785 break;
31e31b8a
FB		 1786 case TARGET_NR__sysctl:
1787 goto unimplemented;
31e31b8a 1788 case TARGET_NR_sched_setparam:
5cd4393b
FB		 1789 {
1790 struct sched_param *target_schp = (void *)arg2;
1791 struct sched_param schp;
1792 schp.sched_priority = tswap32(target_schp->sched_priority);
1793 ret = get_errno(sched_setparam(arg1, &schp));
1794 }
1795 break;
31e31b8a 1796 case TARGET_NR_sched_getparam:
5cd4393b
FB		 1797 {
1798 struct sched_param *target_schp = (void *)arg2;
1799 struct sched_param schp;
1800 ret = get_errno(sched_getparam(arg1, &schp));
1801 if (!is_error(ret)) {
1802 target_schp->sched_priority = tswap32(schp.sched_priority);
1803 }
1804 }
1805 break;
31e31b8a 1806 case TARGET_NR_sched_setscheduler:
5cd4393b
FB		 1807 {
1808 struct sched_param *target_schp = (void *)arg3;
1809 struct sched_param schp;
1810 schp.sched_priority = tswap32(target_schp->sched_priority);
1811 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
1812 }
1813 break;
31e31b8a 1814 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 1815 ret = get_errno(sched_getscheduler(arg1));
1816 break;
31e31b8a
FB		 1817 case TARGET_NR_sched_yield:
1818 ret = get_errno(sched_yield());
1819 break;
1820 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 1821 ret = get_errno(sched_get_priority_max(arg1));
1822 break;
31e31b8a 1823 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 1824 ret = get_errno(sched_get_priority_min(arg1));
1825 break;
31e31b8a 1826 case TARGET_NR_sched_rr_get_interval:
5cd4393b
FB		 1827 {
1828 struct target_timespec *target_ts = (void *)arg2;
1829 struct timespec ts;
1830 ret = get_errno(sched_rr_get_interval(arg1, &ts));
1831 if (!is_error(ret)) {
1832 target_ts->tv_sec = tswapl(ts.tv_sec);
1833 target_ts->tv_nsec = tswapl(ts.tv_nsec);
1834 }
1835 }
1836 break;
31e31b8a 1837 case TARGET_NR_nanosleep:
1b6b029e
FB		 1838 {
1839 struct target_timespec *target_req = (void *)arg1;
1840 struct target_timespec *target_rem = (void *)arg2;
1841 struct timespec req, rem;
1842 req.tv_sec = tswapl(target_req->tv_sec);
1843 req.tv_nsec = tswapl(target_req->tv_nsec);
1844 ret = get_errno(nanosleep(&req, &rem));
1845 if (target_rem) {
1846 target_rem->tv_sec = tswapl(rem.tv_sec);
1847 target_rem->tv_nsec = tswapl(rem.tv_nsec);
1848 }
1849 }
1850 break;
31e31b8a 1851 case TARGET_NR_setresuid:
b03c60f3
FB		 1852 ret = get_errno(setresuid(low2highuid(arg1),
1853 low2highuid(arg2),
1854 low2highuid(arg3)));
1855 break;
31e31b8a 1856 case TARGET_NR_getresuid:
b03c60f3
FB		 1857 {
1858 int ruid, euid, suid;
1859 ret = get_errno(getresuid(&ruid, &euid, &suid));
1860 if (!is_error(ret)) {
1861 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
1862 *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
1863 *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
1864 }
1865 }
1866 break;
1867 case TARGET_NR_setresgid:
1868 ret = get_errno(setresgid(low2highgid(arg1),
1869 low2highgid(arg2),
1870 low2highgid(arg3)));
1871 break;
1872 case TARGET_NR_getresgid:
1873 {
1874 int rgid, egid, sgid;
1875 ret = get_errno(getresgid(&rgid, &egid, &sgid));
1876 if (!is_error(ret)) {
1877 *(uint16_t *)arg1 = high2lowgid(tswap16(rgid));
1878 *(uint16_t *)arg2 = high2lowgid(tswap16(egid));
1879 *(uint16_t *)arg3 = high2lowgid(tswap16(sgid));
1880 }
1881 }
1882 break;
31e31b8a 1883 case TARGET_NR_query_module:
5cd4393b 1884 goto unimplemented;
31e31b8a 1885 case TARGET_NR_nfsservctl:
5cd4393b 1886 goto unimplemented;
31e31b8a 1887 case TARGET_NR_prctl:
5cd4393b 1888 goto unimplemented;
31e31b8a 1889 case TARGET_NR_pread:
5cd4393b 1890 goto unimplemented;
31e31b8a
FB		 1891 case TARGET_NR_pwrite:
1892 goto unimplemented;
1893 case TARGET_NR_chown:
1894 ret = get_errno(chown((const char *)arg1, arg2, arg3));
1895 break;
1896 case TARGET_NR_getcwd:
72f03900 1897 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
31e31b8a
FB		 1898 break;
1899 case TARGET_NR_capget:
5cd4393b 1900 goto unimplemented;
31e31b8a 1901 case TARGET_NR_capset:
5cd4393b 1902 goto unimplemented;
31e31b8a 1903 case TARGET_NR_sigaltstack:
5cd4393b 1904 goto unimplemented;
31e31b8a 1905 case TARGET_NR_sendfile:
5cd4393b 1906 goto unimplemented;
31e31b8a 1907 case TARGET_NR_getpmsg:
5cd4393b 1908 goto unimplemented;
31e31b8a 1909 case TARGET_NR_putpmsg:
5cd4393b 1910 goto unimplemented;
31e31b8a 1911 case TARGET_NR_vfork:
1b6b029e 1912 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a
FB		 1913 break;
1914 case TARGET_NR_ugetrlimit:
5cd4393b 1915 goto unimplemented;
31e31b8a 1916 case TARGET_NR_truncate64:
5cd4393b 1917 goto unimplemented;
31e31b8a 1918 case TARGET_NR_ftruncate64:
60cd49d5 1919 goto unimplemented;
31e31b8a 1920 case TARGET_NR_stat64:
60cd49d5
FB		 1921 ret = get_errno(stat((const char *)arg1, &st));
1922 goto do_stat64;
31e31b8a 1923 case TARGET_NR_lstat64:
60cd49d5
FB		 1924 ret = get_errno(lstat((const char *)arg1, &st));
1925 goto do_stat64;
31e31b8a 1926 case TARGET_NR_fstat64:
60cd49d5
FB		 1927 {
1928 ret = get_errno(fstat(arg1, &st));
1929 do_stat64:
1930 if (!is_error(ret)) {
1931 struct target_stat64 *target_st = (void *)arg2;
1932 target_st->st_dev = tswap16(st.st_dev);
1933 target_st->st_ino = tswapl(st.st_ino);
1934 target_st->st_mode = tswap16(st.st_mode);
1935 target_st->st_nlink = tswap16(st.st_nlink);
1936 target_st->st_uid = tswap16(st.st_uid);
1937 target_st->st_gid = tswap16(st.st_gid);
1938 target_st->st_rdev = tswap16(st.st_rdev);
1939 /* XXX: better use of kernel struct */
1940 target_st->st_size = tswapl(st.st_size);
1941 target_st->st_blksize = tswapl(st.st_blksize);
1942 target_st->st_blocks = tswapl(st.st_blocks);
1943 target_st->st_atime = tswapl(st.st_atime);
1944 target_st->st_mtime = tswapl(st.st_mtime);
1945 target_st->st_ctime = tswapl(st.st_ctime);
1946 }
1947 }
1948 break;
1949
31e31b8a 1950 case TARGET_NR_lchown32:
b03c60f3
FB		 1951 ret = get_errno(lchown((const char *)arg1, arg2, arg3));
1952 break;
31e31b8a 1953 case TARGET_NR_getuid32:
b03c60f3
FB		 1954 ret = get_errno(getuid());
1955 break;
31e31b8a 1956 case TARGET_NR_getgid32:
b03c60f3
FB		 1957 ret = get_errno(getgid());
1958 break;
31e31b8a 1959 case TARGET_NR_geteuid32:
b03c60f3
FB		 1960 ret = get_errno(geteuid());
1961 break;
31e31b8a 1962 case TARGET_NR_getegid32:
b03c60f3
FB		 1963 ret = get_errno(getegid());
1964 break;
31e31b8a 1965 case TARGET_NR_setreuid32:
b03c60f3
FB		 1966 ret = get_errno(setreuid(arg1, arg2));
1967 break;
31e31b8a 1968 case TARGET_NR_setregid32:
b03c60f3
FB		 1969 ret = get_errno(setregid(arg1, arg2));
1970 break;
31e31b8a 1971 case TARGET_NR_getgroups32:
b03c60f3 1972 goto unimplemented;
31e31b8a 1973 case TARGET_NR_setgroups32:
b03c60f3 1974 goto unimplemented;
31e31b8a 1975 case TARGET_NR_fchown32:
b03c60f3
FB		 1976 ret = get_errno(fchown(arg1, arg2, arg3));
1977 break;
31e31b8a 1978 case TARGET_NR_setresuid32:
b03c60f3
FB		 1979 ret = get_errno(setresuid(arg1, arg2, arg3));
1980 break;
31e31b8a 1981 case TARGET_NR_getresuid32:
b03c60f3
FB		 1982 {
1983 int ruid, euid, suid;
1984 ret = get_errno(getresuid(&ruid, &euid, &suid));
1985 if (!is_error(ret)) {
1986 *(uint32_t *)arg1 = tswap32(ruid);
1987 *(uint32_t *)arg2 = tswap32(euid);
1988 *(uint32_t *)arg3 = tswap32(suid);
1989 }
1990 }
1991 break;
31e31b8a 1992 case TARGET_NR_setresgid32:
b03c60f3
FB		 1993 ret = get_errno(setresgid(arg1, arg2, arg3));
1994 break;
31e31b8a 1995 case TARGET_NR_getresgid32:
b03c60f3
FB		 1996 {
1997 int rgid, egid, sgid;
1998 ret = get_errno(getresgid(&rgid, &egid, &sgid));
1999 if (!is_error(ret)) {
2000 *(uint32_t *)arg1 = tswap32(rgid);
2001 *(uint32_t *)arg2 = tswap32(egid);
2002 *(uint32_t *)arg3 = tswap32(sgid);
2003 }
2004 }
2005 break;
31e31b8a 2006 case TARGET_NR_chown32:
b03c60f3
FB		 2007 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2008 break;
31e31b8a 2009 case TARGET_NR_setuid32:
b03c60f3
FB		 2010 ret = get_errno(setuid(arg1));
2011 break;
31e31b8a 2012 case TARGET_NR_setgid32:
b03c60f3
FB		 2013 ret = get_errno(setgid(arg1));
2014 break;
31e31b8a 2015 case TARGET_NR_setfsuid32:
b03c60f3
FB		 2016 ret = get_errno(setfsuid(arg1));
2017 break;
31e31b8a 2018 case TARGET_NR_setfsgid32:
b03c60f3
FB		 2019 ret = get_errno(setfsgid(arg1));
2020 break;
31e31b8a 2021 case TARGET_NR_pivot_root:
b03c60f3 2022 goto unimplemented;
31e31b8a 2023 case TARGET_NR_mincore:
b03c60f3 2024 goto unimplemented;
31e31b8a 2025 case TARGET_NR_madvise:
60cd49d5
FB		 2026 goto unimplemented;
2027#if TARGET_LONG_BITS == 32
31e31b8a 2028 case TARGET_NR_fcntl64:
60cd49d5
FB		 2029 switch(arg2) {
2030 case F_GETLK64:
2031 case F_SETLK64:
2032 case F_SETLKW64:
2033 goto unimplemented;
2034 default:
2035 ret = get_errno(fcntl(arg1, arg2, arg3));
2036 break;
2037 }
2038 break;
2039#endif
31e31b8a
FB		 2040 case TARGET_NR_security:
2041 goto unimplemented;
2042 case TARGET_NR_gettid:
2043 ret = get_errno(gettid());
2044 break;
2045 case TARGET_NR_readahead:
5cd4393b 2046 goto unimplemented;
31e31b8a
FB		 2047 case TARGET_NR_setxattr:
2048 case TARGET_NR_lsetxattr:
2049 case TARGET_NR_fsetxattr:
2050 case TARGET_NR_getxattr:
2051 case TARGET_NR_lgetxattr:
2052 case TARGET_NR_fgetxattr:
2053 case TARGET_NR_listxattr:
2054 case TARGET_NR_llistxattr:
2055 case TARGET_NR_flistxattr:
2056 case TARGET_NR_removexattr:
2057 case TARGET_NR_lremovexattr:
2058 case TARGET_NR_fremovexattr:
5cd4393b
FB		 2059 goto unimplemented_nowarn;
2060 case TARGET_NR_set_thread_area:
2061 case TARGET_NR_get_thread_area:
2062 goto unimplemented_nowarn;
31e31b8a
FB		 2063 default:
2064 unimplemented:
5cd4393b
FB		 2065 gemu_log("qemu: Unsupported syscall: %d\n", num);
2066 unimplemented_nowarn:
31e31b8a
FB		 2067 ret = -ENOSYS;
2068 break;
2069 }
2070 fail:
2071 return ret;
2072}
2073
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