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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>
72f03900 41//#include <sys/user.h>
31e31b8a
FB		 42
43#define termios host_termios
44#define winsize host_winsize
45#define termio host_termio
04369ff2
FB		 46#define sgttyb host_sgttyb /* same as target */
47#define tchars host_tchars /* same as target */
48#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 49
50#include <linux/termios.h>
51#include <linux/unistd.h>
52#include <linux/utsname.h>
53#include <linux/cdrom.h>
54#include <linux/hdreg.h>
55#include <linux/soundcard.h>
56
57#include "gemu.h"
58
72f03900 59//#define DEBUG
31e31b8a
FB		 60
61#ifndef PAGE_SIZE
62#define PAGE_SIZE 4096
63#define PAGE_MASK ~(PAGE_SIZE - 1)
64#endif
65
66struct dirent {
67 long d_ino;
68 long d_off;
69 unsigned short d_reclen;
70 char d_name[256]; /* We must not include limits.h! */
71};
72
1a9353d2
FB		 73//#include <linux/msdos_fs.h>
74#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
75#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
76
31e31b8a
FB		 77#include "syscall_defs.h"
78
79#ifdef TARGET_I386
6dbad63e 80#include "cpu-i386.h"
31e31b8a
FB		 81#include "syscall-i386.h"
82#endif
83
84#define __NR_sys_uname __NR_uname
72f03900 85#define __NR_sys_getcwd1 __NR_getcwd
31e31b8a
FB		 86#define __NR_sys_statfs __NR_statfs
87#define __NR_sys_fstatfs __NR_fstatfs
72f03900 88#define __NR_sys_getdents __NR_getdents
31e31b8a 89
72f03900 90#ifdef __NR_gettid
31e31b8a 91_syscall0(int, gettid)
72f03900
FB		 92#else
93static int gettid(void) {
94 return -ENOSYS;
95}
96#endif
31e31b8a 97_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB		 98_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
99_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
31e31b8a
FB		 100_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
101 loff_t *, res, uint, wh);
72f03900
FB		 102_syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
103_syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
31e31b8a
FB		 104
105static inline long get_errno(long ret)
106{
107 if (ret == -1)
108 return -errno;
109 else
110 return ret;
111}
112
113static inline int is_error(long ret)
114{
115 return (unsigned long)ret >= (unsigned long)(-4096);
116}
117
118static char *target_brk;
119static char *target_original_brk;
120
121void target_set_brk(char *new_brk)
122{
123 target_brk = new_brk;
124 target_original_brk = new_brk;
125}
126
127static long do_brk(char *new_brk)
128{
129 char *brk_page;
130 long mapped_addr;
131 int new_alloc_size;
132
133 if (!new_brk)
134 return (long)target_brk;
135 if (new_brk < target_original_brk)
136 return -ENOMEM;
137
138 brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK);
139
140 /* If the new brk is less than this, set it and we're done... */
141 if (new_brk < brk_page) {
142 target_brk = new_brk;
143 return (long)target_brk;
144 }
145
146 /* We need to allocate more memory after the brk... */
147 new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK;
148 mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size,
149 PROT_READ|PROT_WRITE,
150 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
151
152 if (is_error(mapped_addr)) {
153 return mapped_addr;
154 } else {
155 target_brk = new_brk;
156 return (long)target_brk;
157 }
158}
159
160static inline fd_set *target_to_host_fds(fd_set *fds,
161 target_long *target_fds, int n)
162{
163#if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN)
164 return (fd_set *)target_fds;
165#else
166 int i, b;
167 if (target_fds) {
168 FD_ZERO(fds);
169 for(i = 0;i < n; i++) {
170 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
171 (i & (TARGET_LONG_BITS - 1))) & 1;
172 if (b)
173 FD_SET(i, fds);
174 }
175 return fds;
176 } else {
177 return NULL;
178 }
179#endif
180}
181
182static inline void host_to_target_fds(target_long *target_fds,
183 fd_set *fds, int n)
184{
185#if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN)
186 /* nothing to do */
187#else
188 int i, nw, j, k;
189 target_long v;
190
191 if (target_fds) {
192 nw = n / TARGET_LONG_BITS;
193 k = 0;
194 for(i = 0;i < nw; i++) {
195 v = 0;
196 for(j = 0; j < TARGET_LONG_BITS; j++) {
197 v |= ((FD_ISSET(k, fds) != 0) << j);
198 k++;
199 }
200 target_fds[i] = tswapl(v);
201 }
202 }
203#endif
204}
205
206/* XXX: incorrect for some archs */
207static void host_to_target_old_sigset(target_ulong *old_sigset,
208 const sigset_t *sigset)
209{
210 *old_sigset = tswap32(*(unsigned long *)sigset & 0xffffffff);
211}
212
213static void target_to_host_old_sigset(sigset_t *sigset,
214 const target_ulong *old_sigset)
215{
216 sigemptyset(sigset);
217 *(unsigned long *)sigset = tswapl(*old_sigset);
218}
219
220
221static long do_select(long n,
222 target_long *target_rfds, target_long *target_wfds,
223 target_long *target_efds, struct target_timeval *target_tv)
224{
225 fd_set rfds, wfds, efds;
226 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
227 struct timeval tv, *tv_ptr;
228 long ret;
229
230 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
231 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
232 efds_ptr = target_to_host_fds(&efds, target_efds, n);
233
234 if (target_tv) {
235 tv.tv_sec = tswapl(target_tv->tv_sec);
236 tv.tv_usec = tswapl(target_tv->tv_usec);
237 tv_ptr = &tv;
238 } else {
239 tv_ptr = NULL;
240 }
241 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
242 if (!is_error(ret)) {
243 host_to_target_fds(target_rfds, rfds_ptr, n);
244 host_to_target_fds(target_wfds, wfds_ptr, n);
245 host_to_target_fds(target_efds, efds_ptr, n);
246
247 if (target_tv) {
248 target_tv->tv_sec = tswapl(tv.tv_sec);
249 target_tv->tv_usec = tswapl(tv.tv_usec);
250 }
251 }
252 return ret;
253}
254
255static long do_socketcall(int num, long *vptr)
256{
257 long ret;
258
259 switch(num) {
260 case SOCKOP_socket:
261 ret = get_errno(socket(vptr[0], vptr[1], vptr[2]));
262 break;
263 case SOCKOP_bind:
264 ret = get_errno(bind(vptr[0], (struct sockaddr *)vptr[1], vptr[2]));
265 break;
266 case SOCKOP_connect:
267 ret = get_errno(connect(vptr[0], (struct sockaddr *)vptr[1], vptr[2]));
268 break;
269 case SOCKOP_listen:
270 ret = get_errno(listen(vptr[0], vptr[1]));
271 break;
272 case SOCKOP_accept:
273 {
274 socklen_t size;
275 size = tswap32(*(int32_t *)vptr[2]);
276 ret = get_errno(accept(vptr[0], (struct sockaddr *)vptr[1], &size));
277 if (!is_error(ret))
278 *(int32_t *)vptr[2] = size;
279 }
280 break;
281 case SOCKOP_getsockname:
282 {
283 socklen_t size;
284 size = tswap32(*(int32_t *)vptr[2]);
285 ret = get_errno(getsockname(vptr[0], (struct sockaddr *)vptr[1], &size));
286 if (!is_error(ret))
287 *(int32_t *)vptr[2] = size;
288 }
289 break;
290 case SOCKOP_getpeername:
291 {
292 socklen_t size;
293 size = tswap32(*(int32_t *)vptr[2]);
294 ret = get_errno(getpeername(vptr[0], (struct sockaddr *)vptr[1], &size));
295 if (!is_error(ret))
296 *(int32_t *)vptr[2] = size;
297 }
298 break;
299 case SOCKOP_socketpair:
300 {
301 int tab[2];
302 int32_t *target_tab = (int32_t *)vptr[3];
303 ret = get_errno(socketpair(vptr[0], vptr[1], vptr[2], tab));
304 if (!is_error(ret)) {
305 target_tab[0] = tswap32(tab[0]);
306 target_tab[1] = tswap32(tab[1]);
307 }
308 }
309 break;
310 case SOCKOP_send:
311 ret = get_errno(send(vptr[0], (void *)vptr[1], vptr[2], vptr[3]));
312 break;
313 case SOCKOP_recv:
314 ret = get_errno(recv(vptr[0], (void *)vptr[1], vptr[2], vptr[3]));
315 break;
316 case SOCKOP_sendto:
317 ret = get_errno(sendto(vptr[0], (void *)vptr[1], vptr[2], vptr[3],
318 (struct sockaddr *)vptr[4], vptr[5]));
319 break;
320 case SOCKOP_recvfrom:
321 {
322 socklen_t size;
323 size = tswap32(*(int32_t *)vptr[5]);
324 ret = get_errno(recvfrom(vptr[0], (void *)vptr[1], vptr[2],
325 vptr[3], (struct sockaddr *)vptr[4], &size));
326 if (!is_error(ret))
327 *(int32_t *)vptr[5] = size;
328 }
329 break;
330 case SOCKOP_shutdown:
331 ret = get_errno(shutdown(vptr[0], vptr[1]));
332 break;
333 case SOCKOP_sendmsg:
334 case SOCKOP_recvmsg:
1a9353d2
FB		 335 {
336 int fd;
337 struct target_msghdr *msgp;
338 struct msghdr msg;
339 int flags, count, i;
340 struct iovec *vec;
341 struct target_iovec *target_vec;
342
343 msgp = (void *)vptr[1];
344 msg.msg_name = (void *)tswapl(msgp->msg_name);
345 msg.msg_namelen = tswapl(msgp->msg_namelen);
346 msg.msg_control = (void *)tswapl(msgp->msg_control);
347 msg.msg_controllen = tswapl(msgp->msg_controllen);
348 msg.msg_flags = tswap32(msgp->msg_flags);
349
350 count = tswapl(msgp->msg_iovlen);
351 vec = alloca(count * sizeof(struct iovec));
352 target_vec = (void *)tswapl(msgp->msg_iov);
353 for(i = 0;i < count; i++) {
354 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
355 vec[i].iov_len = tswapl(target_vec[i].iov_len);
356 }
357 msg.msg_iovlen = count;
358 msg.msg_iov = vec;
359
360 fd = vptr[0];
361 flags = vptr[2];
362 if (num == SOCKOP_sendmsg)
363 ret = sendmsg(fd, &msg, flags);
364 else
365 ret = recvmsg(fd, &msg, flags);
366 ret = get_errno(ret);
367 }
368 break;
31e31b8a
FB		 369 case SOCKOP_setsockopt:
370 case SOCKOP_getsockopt:
371 default:
372 gemu_log("Unsupported socketcall: %d\n", num);
373 ret = -ENOSYS;
374 break;
375 }
376 return ret;
377}
378
379/* kernel structure types definitions */
380#define IFNAMSIZ 16
381
382#define STRUCT(name, list...) STRUCT_ ## name,
383#define STRUCT_SPECIAL(name) STRUCT_ ## name,
384enum {
385#include "syscall_types.h"
386};
387#undef STRUCT
388#undef STRUCT_SPECIAL
389
390#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
391#define STRUCT_SPECIAL(name)
392#include "syscall_types.h"
393#undef STRUCT
394#undef STRUCT_SPECIAL
395
396typedef struct IOCTLEntry {
397 int target_cmd;
398 int host_cmd;
399 const char *name;
400 int access;
1a9353d2 401 const argtype arg_type[5];
31e31b8a
FB		 402} IOCTLEntry;
403
404#define IOC_R 0x0001
405#define IOC_W 0x0002
406#define IOC_RW (IOC_R | IOC_W)
407
408#define MAX_STRUCT_SIZE 4096
409
410const IOCTLEntry ioctl_entries[] = {
411#define IOCTL(cmd, access, types...) \
412 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
413#include "ioctls.h"
414 { 0, 0, },
415};
416
417static long do_ioctl(long fd, long cmd, long arg)
418{
419 const IOCTLEntry *ie;
420 const argtype *arg_type;
421 long ret;
422 uint8_t buf_temp[MAX_STRUCT_SIZE];
423
424 ie = ioctl_entries;
425 for(;;) {
426 if (ie->target_cmd == 0) {
427 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
428 return -ENOSYS;
429 }
430 if (ie->target_cmd == cmd)
431 break;
432 ie++;
433 }
434 arg_type = ie->arg_type;
72f03900
FB		 435#ifdef DEBUG
436 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
437#endif
31e31b8a
FB		 438 switch(arg_type[0]) {
439 case TYPE_NULL:
440 /* no argument */
441 ret = get_errno(ioctl(fd, ie->host_cmd));
442 break;
443 case TYPE_PTRVOID:
444 case TYPE_INT:
445 /* int argment */
446 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
447 break;
448 case TYPE_PTR:
449 arg_type++;
450 switch(ie->access) {
451 case IOC_R:
452 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
453 if (!is_error(ret)) {
454 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
455 }
456 break;
457 case IOC_W:
458 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
459 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
460 break;
461 default:
462 case IOC_RW:
463 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
464 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
465 if (!is_error(ret)) {
466 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
467 }
468 break;
469 }
470 break;
471 default:
472 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
473 ret = -ENOSYS;
474 break;
475 }
476 return ret;
477}
478
479bitmask_transtbl iflag_tbl[] = {
480 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
481 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
482 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
483 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
484 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
485 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
486 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
487 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
488 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
489 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
490 { TARGET_IXON, TARGET_IXON, IXON, IXON },
491 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
492 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
493 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
494 { 0, 0, 0, 0 }
495};
496
497bitmask_transtbl oflag_tbl[] = {
498 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
499 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
500 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
501 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
502 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
503 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
504 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
505 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
506 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
507 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
508 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
509 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
510 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
511 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
512 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
513 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
514 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
515 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
516 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
517 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
518 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
519 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
520 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
521 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
522 { 0, 0, 0, 0 }
523};
524
525bitmask_transtbl cflag_tbl[] = {
526 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
527 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
528 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
529 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
530 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
531 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
532 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
533 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
534 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
535 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
536 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
537 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
538 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
539 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
540 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
541 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
542 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
543 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
544 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
545 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
546 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
547 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
548 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
549 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
550 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
551 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
552 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
553 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
554 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
555 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
556 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
557 { 0, 0, 0, 0 }
558};
559
560bitmask_transtbl lflag_tbl[] = {
561 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
562 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
563 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
564 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
565 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
566 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
567 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
568 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
569 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
570 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
571 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
572 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
573 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
574 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
575 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
576 { 0, 0, 0, 0 }
577};
578
579static void target_to_host_termios (void *dst, const void *src)
580{
581 struct host_termios *host = dst;
582 const struct target_termios *target = src;
583
584 host->c_iflag =
585 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
586 host->c_oflag =
587 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
588 host->c_cflag =
589 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
590 host->c_lflag =
591 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
592 host->c_line = target->c_line;
593
594 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
595 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
596 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
597 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
598 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
599 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
600 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
601 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
602 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
603 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
604 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
605 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
606 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
607 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
608 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
609 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
610 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
611}
612
613static void host_to_target_termios (void *dst, const void *src)
614{
615 struct target_termios *target = dst;
616 const struct host_termios *host = src;
617
618 target->c_iflag =
619 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
620 target->c_oflag =
621 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
622 target->c_cflag =
623 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
624 target->c_lflag =
625 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
626 target->c_line = host->c_line;
627
628 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
629 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
630 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
631 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
632 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
633 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
634 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
635 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
636 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
637 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
638 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
639 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
640 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
641 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
642 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
643 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
644 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
645}
646
647StructEntry struct_termios_def = {
648 .convert = { host_to_target_termios, target_to_host_termios },
649 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
650 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
651};
652
6dbad63e
FB		 653#ifdef TARGET_I386
654
655/* NOTE: there is really one LDT for all the threads */
656uint8_t *ldt_table;
657
658static int read_ldt(void *ptr, unsigned long bytecount)
659{
660 int size;
661
662 if (!ldt_table)
663 return 0;
664 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
665 if (size > bytecount)
666 size = bytecount;
667 memcpy(ptr, ldt_table, size);
668 return size;
669}
670
671/* XXX: add locking support */
672static int write_ldt(CPUX86State *env,
673 void *ptr, unsigned long bytecount, int oldmode)
674{
675 struct target_modify_ldt_ldt_s ldt_info;
676 int seg_32bit, contents, read_exec_only, limit_in_pages;
677 int seg_not_present, useable;
678 uint32_t *lp, entry_1, entry_2;
679
680 if (bytecount != sizeof(ldt_info))
681 return -EINVAL;
682 memcpy(&ldt_info, ptr, sizeof(ldt_info));
683 tswap32s(&ldt_info.entry_number);
684 tswapls((long *)&ldt_info.base_addr);
685 tswap32s(&ldt_info.limit);
686 tswap32s(&ldt_info.flags);
687
688 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
689 return -EINVAL;
690 seg_32bit = ldt_info.flags & 1;
691 contents = (ldt_info.flags >> 1) & 3;
692 read_exec_only = (ldt_info.flags >> 3) & 1;
693 limit_in_pages = (ldt_info.flags >> 4) & 1;
694 seg_not_present = (ldt_info.flags >> 5) & 1;
695 useable = (ldt_info.flags >> 6) & 1;
696
697 if (contents == 3) {
698 if (oldmode)
699 return -EINVAL;
700 if (seg_not_present == 0)
701 return -EINVAL;
702 }
703 /* allocate the LDT */
704 if (!ldt_table) {
705 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
706 if (!ldt_table)
707 return -ENOMEM;
708 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
709 env->ldt.base = ldt_table;
710 env->ldt.limit = 0xffff;
711 }
712
713 /* NOTE: same code as Linux kernel */
714 /* Allow LDTs to be cleared by the user. */
715 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
716 if (oldmode ||
717 (contents == 0 &&
718 read_exec_only == 1 &&
719 seg_32bit == 0 &&
720 limit_in_pages == 0 &&
721 seg_not_present == 1 &&
722 useable == 0 )) {
723 entry_1 = 0;
724 entry_2 = 0;
725 goto install;
726 }
727 }
728
729 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
730 (ldt_info.limit & 0x0ffff);
731 entry_2 = (ldt_info.base_addr & 0xff000000) |
732 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
733 (ldt_info.limit & 0xf0000) |
734 ((read_exec_only ^ 1) << 9) |
735 (contents << 10) |
736 ((seg_not_present ^ 1) << 15) |
737 (seg_32bit << 22) |
738 (limit_in_pages << 23) |
739 0x7000;
740 if (!oldmode)
741 entry_2 |= (useable << 20);
742
743 /* Install the new entry ... */
744install:
745 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
746 lp[0] = tswap32(entry_1);
747 lp[1] = tswap32(entry_2);
748 return 0;
749}
750
751/* specific and weird i386 syscalls */
752int gemu_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
753{
754 int ret = -ENOSYS;
755
756 switch (func) {
757 case 0:
758 ret = read_ldt(ptr, bytecount);
759 break;
760 case 1:
761 ret = write_ldt(env, ptr, bytecount, 1);
762 break;
763 case 0x11:
764 ret = write_ldt(env, ptr, bytecount, 0);
765 break;
766 }
767 return ret;
768}
769#endif
770
31e31b8a
FB		 771void syscall_init(void)
772{
773#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
774#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
775#include "syscall_types.h"
776#undef STRUCT
777#undef STRUCT_SPECIAL
778}
779
6dbad63e 780long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 781 long arg4, long arg5, long arg6)
782{
783 long ret;
784 struct stat st;
72f03900 785 struct kernel_statfs *stfs;
31e31b8a 786
72f03900
FB		 787#ifdef DEBUG
788 gemu_log("syscall %d\n", num);
789#endif
31e31b8a
FB		 790 switch(num) {
791 case TARGET_NR_exit:
7d13299d
FB		 792#ifdef HAVE_GPROF
793 _mcleanup();
794#endif
31e31b8a
FB		 795 _exit(arg1);
796 ret = 0; /* avoid warning */
797 break;
798 case TARGET_NR_read:
799 ret = get_errno(read(arg1, (void *)arg2, arg3));
800 break;
801 case TARGET_NR_write:
802 ret = get_errno(write(arg1, (void *)arg2, arg3));
803 break;
804 case TARGET_NR_open:
805 ret = get_errno(open((const char *)arg1, arg2, arg3));
806 break;
807 case TARGET_NR_close:
808 ret = get_errno(close(arg1));
809 break;
810 case TARGET_NR_brk:
811 ret = do_brk((char *)arg1);
812 break;
813 case TARGET_NR_fork:
814 ret = get_errno(fork());
815 break;
816 case TARGET_NR_waitpid:
817 {
818 int *status = (int *)arg2;
819 ret = get_errno(waitpid(arg1, status, arg3));
820 if (!is_error(ret) && status)
821 tswapls((long *)&status);
822 }
823 break;
824 case TARGET_NR_creat:
825 ret = get_errno(creat((const char *)arg1, arg2));
826 break;
827 case TARGET_NR_link:
828 ret = get_errno(link((const char *)arg1, (const char *)arg2));
829 break;
830 case TARGET_NR_unlink:
831 ret = get_errno(unlink((const char *)arg1));
832 break;
833 case TARGET_NR_execve:
834 ret = get_errno(execve((const char *)arg1, (void *)arg2, (void *)arg3));
835 break;
836 case TARGET_NR_chdir:
837 ret = get_errno(chdir((const char *)arg1));
838 break;
839 case TARGET_NR_time:
840 {
841 int *time_ptr = (int *)arg1;
842 ret = get_errno(time((time_t *)time_ptr));
843 if (!is_error(ret) && time_ptr)
844 tswap32s(time_ptr);
845 }
846 break;
847 case TARGET_NR_mknod:
848 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
849 break;
850 case TARGET_NR_chmod:
851 ret = get_errno(chmod((const char *)arg1, arg2));
852 break;
853 case TARGET_NR_lchown:
854 ret = get_errno(chown((const char *)arg1, arg2, arg3));
855 break;
856 case TARGET_NR_break:
857 goto unimplemented;
858 case TARGET_NR_oldstat:
859 goto unimplemented;
860 case TARGET_NR_lseek:
861 ret = get_errno(lseek(arg1, arg2, arg3));
862 break;
863 case TARGET_NR_getpid:
864 ret = get_errno(getpid());
865 break;
866 case TARGET_NR_mount:
867 /* need to look at the data field */
868 goto unimplemented;
869 case TARGET_NR_umount:
870 ret = get_errno(umount((const char *)arg1));
871 break;
872 case TARGET_NR_setuid:
873 ret = get_errno(setuid(arg1));
874 break;
875 case TARGET_NR_getuid:
876 ret = get_errno(getuid());
877 break;
878 case TARGET_NR_stime:
879 {
880 int *time_ptr = (int *)arg1;
881 if (time_ptr)
882 tswap32s(time_ptr);
883 ret = get_errno(stime((time_t *)time_ptr));
884 }
885 break;
886 case TARGET_NR_ptrace:
887 goto unimplemented;
888 case TARGET_NR_alarm:
889 ret = alarm(arg1);
890 break;
891 case TARGET_NR_oldfstat:
892 goto unimplemented;
893 case TARGET_NR_pause:
894 ret = get_errno(pause());
895 break;
896 case TARGET_NR_utime:
897 goto unimplemented;
898 case TARGET_NR_stty:
899 goto unimplemented;
900 case TARGET_NR_gtty:
901 goto unimplemented;
902 case TARGET_NR_access:
903 ret = get_errno(access((const char *)arg1, arg2));
904 break;
905 case TARGET_NR_nice:
906 ret = get_errno(nice(arg1));
907 break;
908 case TARGET_NR_ftime:
909 goto unimplemented;
910 case TARGET_NR_sync:
04369ff2
FB		 911 sync();
912 ret = 0;
31e31b8a
FB		 913 break;
914 case TARGET_NR_kill:
915 ret = get_errno(kill(arg1, arg2));
916 break;
917 case TARGET_NR_rename:
918 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
919 break;
920 case TARGET_NR_mkdir:
921 ret = get_errno(mkdir((const char *)arg1, arg2));
922 break;
923 case TARGET_NR_rmdir:
924 ret = get_errno(rmdir((const char *)arg1));
925 break;
926 case TARGET_NR_dup:
927 ret = get_errno(dup(arg1));
928 break;
929 case TARGET_NR_pipe:
930 {
931 int *pipe_ptr = (int *)arg1;
932 ret = get_errno(pipe(pipe_ptr));
933 if (!is_error(ret)) {
934 tswap32s(&pipe_ptr[0]);
935 tswap32s(&pipe_ptr[1]);
936 }
937 }
938 break;
939 case TARGET_NR_times:
940 goto unimplemented;
941 case TARGET_NR_prof:
942 goto unimplemented;
943 case TARGET_NR_setgid:
944 ret = get_errno(setgid(arg1));
945 break;
946 case TARGET_NR_getgid:
947 ret = get_errno(getgid());
948 break;
949 case TARGET_NR_signal:
950 goto unimplemented;
951 case TARGET_NR_geteuid:
952 ret = get_errno(geteuid());
953 break;
954 case TARGET_NR_getegid:
955 ret = get_errno(getegid());
956 break;
957 case TARGET_NR_acct:
958 goto unimplemented;
959 case TARGET_NR_umount2:
960 ret = get_errno(umount2((const char *)arg1, arg2));
961 break;
962 case TARGET_NR_lock:
963 goto unimplemented;
964 case TARGET_NR_ioctl:
965 ret = do_ioctl(arg1, arg2, arg3);
966 break;
967 case TARGET_NR_fcntl:
968 switch(arg2) {
969 case F_GETLK:
970 case F_SETLK:
971 case F_SETLKW:
972 goto unimplemented;
973 default:
974 ret = get_errno(fcntl(arg1, arg2, arg3));
975 break;
976 }
977 break;
978 case TARGET_NR_mpx:
979 goto unimplemented;
980 case TARGET_NR_setpgid:
981 ret = get_errno(setpgid(arg1, arg2));
982 break;
983 case TARGET_NR_ulimit:
984 goto unimplemented;
985 case TARGET_NR_oldolduname:
986 goto unimplemented;
987 case TARGET_NR_umask:
988 ret = get_errno(umask(arg1));
989 break;
990 case TARGET_NR_chroot:
991 ret = get_errno(chroot((const char *)arg1));
992 break;
993 case TARGET_NR_ustat:
994 goto unimplemented;
995 case TARGET_NR_dup2:
996 ret = get_errno(dup2(arg1, arg2));
997 break;
998 case TARGET_NR_getppid:
999 ret = get_errno(getppid());
1000 break;
1001 case TARGET_NR_getpgrp:
1002 ret = get_errno(getpgrp());
1003 break;
1004 case TARGET_NR_setsid:
1005 ret = get_errno(setsid());
1006 break;
1007 case TARGET_NR_sigaction:
dc99065b 1008#if 0
31e31b8a 1009 {
1a9353d2 1010 ret = 0;
31e31b8a
FB		 1011 }
1012 break;
1013#else
1014 goto unimplemented;
1015#endif
1016 case TARGET_NR_sgetmask:
1017 goto unimplemented;
1018 case TARGET_NR_ssetmask:
1019 goto unimplemented;
1020 case TARGET_NR_setreuid:
1021 ret = get_errno(setreuid(arg1, arg2));
1022 break;
1023 case TARGET_NR_setregid:
1024 ret = get_errno(setregid(arg1, arg2));
1025 break;
1026 case TARGET_NR_sigsuspend:
1027 goto unimplemented;
1028 case TARGET_NR_sigpending:
1029 goto unimplemented;
1030 case TARGET_NR_sethostname:
1031 ret = get_errno(sethostname((const char *)arg1, arg2));
1032 break;
1033 case TARGET_NR_setrlimit:
1034 goto unimplemented;
1035 case TARGET_NR_getrlimit:
1036 goto unimplemented;
1037 case TARGET_NR_getrusage:
1038 goto unimplemented;
1039 case TARGET_NR_gettimeofday:
1040 {
1041 struct target_timeval *target_tv = (void *)arg1;
1042 struct timeval tv;
1043 ret = get_errno(gettimeofday(&tv, NULL));
1044 if (!is_error(ret)) {
1045 target_tv->tv_sec = tswapl(tv.tv_sec);
1046 target_tv->tv_usec = tswapl(tv.tv_usec);
1047 }
1048 }
1049 break;
1050 case TARGET_NR_settimeofday:
1051 {
1052 struct target_timeval *target_tv = (void *)arg1;
1053 struct timeval tv;
1054 tv.tv_sec = tswapl(target_tv->tv_sec);
1055 tv.tv_usec = tswapl(target_tv->tv_usec);
1056 ret = get_errno(settimeofday(&tv, NULL));
1057 }
1058 break;
1059 case TARGET_NR_getgroups:
1060 goto unimplemented;
1061 case TARGET_NR_setgroups:
1062 goto unimplemented;
1063 case TARGET_NR_select:
1064 goto unimplemented;
1065 case TARGET_NR_symlink:
1066 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
1067 break;
1068 case TARGET_NR_oldlstat:
1069 goto unimplemented;
1070 case TARGET_NR_readlink:
1071 ret = get_errno(readlink((const char *)arg1, (char *)arg2, arg3));
1072 break;
1073 case TARGET_NR_uselib:
1074 goto unimplemented;
1075 case TARGET_NR_swapon:
1076 ret = get_errno(swapon((const char *)arg1, arg2));
1077 break;
1078 case TARGET_NR_reboot:
1079 goto unimplemented;
1080 case TARGET_NR_readdir:
1081 goto unimplemented;
1082#ifdef TARGET_I386
1083 case TARGET_NR_mmap:
1084 {
1085 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
1086 vptr = (uint32_t *)arg1;
1087 v1 = tswap32(vptr[0]);
1088 v2 = tswap32(vptr[1]);
1089 v3 = tswap32(vptr[2]);
1090 v4 = tswap32(vptr[3]);
1091 v5 = tswap32(vptr[4]);
1092 v6 = tswap32(vptr[5]);
1093 ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6));
1094 }
1095 break;
1096#endif
1097#ifdef TARGET_I386
1098 case TARGET_NR_mmap2:
1099#else
1100 case TARGET_NR_mmap:
1101#endif
1102 ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6));
1103 break;
1104 case TARGET_NR_munmap:
1105 ret = get_errno(munmap((void *)arg1, arg2));
1106 break;
1107 case TARGET_NR_truncate:
1108 ret = get_errno(truncate((const char *)arg1, arg2));
1109 break;
1110 case TARGET_NR_ftruncate:
1111 ret = get_errno(ftruncate(arg1, arg2));
1112 break;
1113 case TARGET_NR_fchmod:
1114 ret = get_errno(fchmod(arg1, arg2));
1115 break;
1116 case TARGET_NR_fchown:
1117 ret = get_errno(fchown(arg1, arg2, arg3));
1118 break;
1119 case TARGET_NR_getpriority:
1120 ret = get_errno(getpriority(arg1, arg2));
1121 break;
1122 case TARGET_NR_setpriority:
1123 ret = get_errno(setpriority(arg1, arg2, arg3));
1124 break;
1125 case TARGET_NR_profil:
1126 goto unimplemented;
1127 case TARGET_NR_statfs:
1128 stfs = (void *)arg2;
1129 ret = get_errno(sys_statfs((const char *)arg1, stfs));
1130 convert_statfs:
1131 if (!is_error(ret)) {
1132 tswap32s(&stfs->f_type);
1133 tswap32s(&stfs->f_bsize);
1134 tswap32s(&stfs->f_blocks);
1135 tswap32s(&stfs->f_bfree);
1136 tswap32s(&stfs->f_bavail);
1137 tswap32s(&stfs->f_files);
1138 tswap32s(&stfs->f_ffree);
1139 tswap32s(&stfs->f_fsid.val[0]);
1140 tswap32s(&stfs->f_fsid.val[1]);
1141 tswap32s(&stfs->f_namelen);
1142 }
1143 break;
1144 case TARGET_NR_fstatfs:
1145 stfs = (void *)arg2;
1146 ret = get_errno(sys_fstatfs(arg1, stfs));
1147 goto convert_statfs;
1148 case TARGET_NR_ioperm:
1149 goto unimplemented;
1150 case TARGET_NR_socketcall:
1151 ret = do_socketcall(arg1, (long *)arg2);
1152 break;
1153 case TARGET_NR_syslog:
1154 goto unimplemented;
1155 case TARGET_NR_setitimer:
1156 goto unimplemented;
1157 case TARGET_NR_getitimer:
1158 goto unimplemented;
1159 case TARGET_NR_stat:
1160 ret = get_errno(stat((const char *)arg1, &st));
1161 goto do_stat;
1162 case TARGET_NR_lstat:
1163 ret = get_errno(lstat((const char *)arg1, &st));
1164 goto do_stat;
1165 case TARGET_NR_fstat:
1166 {
1167 ret = get_errno(fstat(arg1, &st));
1168 do_stat:
1169 if (!is_error(ret)) {
1170 struct target_stat *target_st = (void *)arg2;
1171 target_st->st_dev = tswap16(st.st_dev);
1172 target_st->st_ino = tswapl(st.st_ino);
1173 target_st->st_mode = tswap16(st.st_mode);
1174 target_st->st_nlink = tswap16(st.st_nlink);
1175 target_st->st_uid = tswap16(st.st_uid);
1176 target_st->st_gid = tswap16(st.st_gid);
1177 target_st->st_rdev = tswap16(st.st_rdev);
1178 target_st->st_size = tswapl(st.st_size);
1179 target_st->st_blksize = tswapl(st.st_blksize);
1180 target_st->st_blocks = tswapl(st.st_blocks);
1181 target_st->st_atime = tswapl(st.st_atime);
1182 target_st->st_mtime = tswapl(st.st_mtime);
1183 target_st->st_ctime = tswapl(st.st_ctime);
1184 }
1185 }
1186 break;
1187 case TARGET_NR_olduname:
1188 goto unimplemented;
1189 case TARGET_NR_iopl:
1190 goto unimplemented;
1191 case TARGET_NR_vhangup:
1192 ret = get_errno(vhangup());
1193 break;
1194 case TARGET_NR_idle:
1195 goto unimplemented;
1196 case TARGET_NR_vm86old:
1197 goto unimplemented;
1198 case TARGET_NR_wait4:
1199 {
1200 int status;
1201 target_long *status_ptr = (void *)arg2;
1202 struct rusage rusage, *rusage_ptr;
1203 struct target_rusage *target_rusage = (void *)arg4;
1204 if (target_rusage)
1205 rusage_ptr = &rusage;
1206 else
1207 rusage_ptr = NULL;
1208 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
1209 if (!is_error(ret)) {
1210 if (status_ptr)
1211 *status_ptr = tswap32(status);
1212 if (target_rusage) {
1213 target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec);
1214 target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec);
1215 target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec);
1216 target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec);
1217 target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss);
1218 target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss);
1219 target_rusage->ru_idrss = tswapl(rusage.ru_idrss);
1220 target_rusage->ru_isrss = tswapl(rusage.ru_isrss);
1221 target_rusage->ru_minflt = tswapl(rusage.ru_minflt);
1222 target_rusage->ru_majflt = tswapl(rusage.ru_majflt);
1223 target_rusage->ru_nswap = tswapl(rusage.ru_nswap);
1224 target_rusage->ru_inblock = tswapl(rusage.ru_inblock);
1225 target_rusage->ru_oublock = tswapl(rusage.ru_oublock);
1226 target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd);
1227 target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv);
1228 target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals);
1229 target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw);
1230 target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw);
1231 }
1232 }
1233 }
1234 break;
1235 case TARGET_NR_swapoff:
1236 ret = get_errno(swapoff((const char *)arg1));
1237 break;
1238 case TARGET_NR_sysinfo:
1239 goto unimplemented;
1240 case TARGET_NR_ipc:
1241 goto unimplemented;
1242 case TARGET_NR_fsync:
1243 ret = get_errno(fsync(arg1));
1244 break;
1245 case TARGET_NR_sigreturn:
1246 goto unimplemented;
1247 case TARGET_NR_clone:
1248 goto unimplemented;
1249 case TARGET_NR_setdomainname:
1250 ret = get_errno(setdomainname((const char *)arg1, arg2));
1251 break;
1252 case TARGET_NR_uname:
1253 /* no need to transcode because we use the linux syscall */
1254 ret = get_errno(sys_uname((struct new_utsname *)arg1));
1255 break;
6dbad63e 1256#ifdef TARGET_I386
31e31b8a 1257 case TARGET_NR_modify_ldt:
6dbad63e
FB		 1258 ret = get_errno(gemu_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
1259 break;
1260#endif
31e31b8a
FB		 1261 case TARGET_NR_adjtimex:
1262 goto unimplemented;
1263 case TARGET_NR_mprotect:
1264 ret = get_errno(mprotect((void *)arg1, arg2, arg3));
1265 break;
1266 case TARGET_NR_sigprocmask:
1267 {
1268 int how = arg1;
1269 sigset_t set, oldset, *set_ptr;
1270 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1271
1272 switch(how) {
1273 case TARGET_SIG_BLOCK:
1274 how = SIG_BLOCK;
1275 break;
1276 case TARGET_SIG_UNBLOCK:
1277 how = SIG_UNBLOCK;
1278 break;
1279 case TARGET_SIG_SETMASK:
1280 how = SIG_SETMASK;
1281 break;
1282 default:
1283 ret = -EINVAL;
1284 goto fail;
1285 }
1286
1287 if (pset) {
1288 target_to_host_old_sigset(&set, pset);
1289 set_ptr = &set;
1290 } else {
1291 set_ptr = NULL;
1292 }
1293 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1294 if (!is_error(ret) && poldset) {
1295 host_to_target_old_sigset(poldset, &oldset);
1296 }
1297 }
1298 break;
1299 case TARGET_NR_create_module:
1300 case TARGET_NR_init_module:
1301 case TARGET_NR_delete_module:
1302 case TARGET_NR_get_kernel_syms:
1303 goto unimplemented;
1304 case TARGET_NR_quotactl:
1305 goto unimplemented;
1306 case TARGET_NR_getpgid:
1307 ret = get_errno(getpgid(arg1));
1308 break;
1309 case TARGET_NR_fchdir:
1310 ret = get_errno(fchdir(arg1));
1311 break;
1312 case TARGET_NR_bdflush:
1313 goto unimplemented;
1314 case TARGET_NR_sysfs:
1315 goto unimplemented;
1316 case TARGET_NR_personality:
1317 ret = get_errno(mprotect((void *)arg1, arg2, arg3));
1318 break;
1319 case TARGET_NR_afs_syscall:
1320 goto unimplemented;
1321 case TARGET_NR_setfsuid:
1322 goto unimplemented;
1323 case TARGET_NR_setfsgid:
1324 goto unimplemented;
1325 case TARGET_NR__llseek:
1326 {
1327 int64_t res;
1328 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1329 *(int64_t *)arg4 = tswap64(res);
1330 }
1331 break;
1332 case TARGET_NR_getdents:
1333#if TARGET_LONG_SIZE != 4
1334#error not supported
1335#endif
1336 {
1337 struct dirent *dirp = (void *)arg2;
1338 long count = arg3;
72f03900 1339 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 1340 if (!is_error(ret)) {
1341 struct dirent *de;
1342 int len = ret;
1343 int reclen;
1344 de = dirp;
1345 while (len > 0) {
1346 reclen = tswap16(de->d_reclen);
1347 if (reclen > len)
1348 break;
1349 de->d_reclen = reclen;
1350 tswapls(&de->d_ino);
1351 tswapls(&de->d_off);
1352 de = (struct dirent *)((char *)de + reclen);
1353 len -= reclen;
1354 }
1355 }
1356 }
1357 break;
1358 case TARGET_NR__newselect:
1359 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
1360 (void *)arg5);
1361 break;
1362 case TARGET_NR_flock:
1363 goto unimplemented;
1364 case TARGET_NR_msync:
1365 ret = get_errno(msync((void *)arg1, arg2, arg3));
1366 break;
1367 case TARGET_NR_readv:
1368 {
1369 int count = arg3;
1370 int i;
1371 struct iovec *vec;
1372 struct target_iovec *target_vec = (void *)arg2;
1373
1374 vec = alloca(count * sizeof(struct iovec));
1375 for(i = 0;i < count; i++) {
1376 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
1377 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1378 }
1379 ret = get_errno(readv(arg1, vec, count));
1380 }
1381 break;
1382 case TARGET_NR_writev:
1383 {
1384 int count = arg3;
1385 int i;
1386 struct iovec *vec;
1387 struct target_iovec *target_vec = (void *)arg2;
1388
1389 vec = alloca(count * sizeof(struct iovec));
1390 for(i = 0;i < count; i++) {
1391 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
1392 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1393 }
1394 ret = get_errno(writev(arg1, vec, count));
1395 }
1396 break;
1397 case TARGET_NR_getsid:
1398 ret = get_errno(getsid(arg1));
1399 break;
1400 case TARGET_NR_fdatasync:
1401 goto unimplemented;
1402 case TARGET_NR__sysctl:
1403 goto unimplemented;
1404 case TARGET_NR_mlock:
1405 ret = get_errno(mlock((void *)arg1, arg2));
1406 break;
1407 case TARGET_NR_munlock:
1408 ret = get_errno(munlock((void *)arg1, arg2));
1409 break;
1410 case TARGET_NR_mlockall:
1411 ret = get_errno(mlockall(arg1));
1412 break;
1413 case TARGET_NR_munlockall:
1414 ret = get_errno(munlockall());
1415 break;
1416 case TARGET_NR_sched_setparam:
1417 goto unimplemented;
1418 case TARGET_NR_sched_getparam:
1419 goto unimplemented;
1420 case TARGET_NR_sched_setscheduler:
1421 goto unimplemented;
1422 case TARGET_NR_sched_getscheduler:
1423 goto unimplemented;
1424 case TARGET_NR_sched_yield:
1425 ret = get_errno(sched_yield());
1426 break;
1427 case TARGET_NR_sched_get_priority_max:
1428 case TARGET_NR_sched_get_priority_min:
1429 case TARGET_NR_sched_rr_get_interval:
1430 case TARGET_NR_nanosleep:
1431 case TARGET_NR_mremap:
1432 case TARGET_NR_setresuid:
1433 case TARGET_NR_getresuid:
1434 case TARGET_NR_vm86:
1435 case TARGET_NR_query_module:
1436 case TARGET_NR_poll:
1437 case TARGET_NR_nfsservctl:
1438 case TARGET_NR_setresgid:
1439 case TARGET_NR_getresgid:
1440 case TARGET_NR_prctl:
1441 case TARGET_NR_rt_sigreturn:
1442 case TARGET_NR_rt_sigaction:
1443 case TARGET_NR_rt_sigprocmask:
1444 case TARGET_NR_rt_sigpending:
1445 case TARGET_NR_rt_sigtimedwait:
1446 case TARGET_NR_rt_sigqueueinfo:
1447 case TARGET_NR_rt_sigsuspend:
1448 case TARGET_NR_pread:
1449 case TARGET_NR_pwrite:
1450 goto unimplemented;
1451 case TARGET_NR_chown:
1452 ret = get_errno(chown((const char *)arg1, arg2, arg3));
1453 break;
1454 case TARGET_NR_getcwd:
72f03900 1455 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
31e31b8a
FB		 1456 break;
1457 case TARGET_NR_capget:
1458 case TARGET_NR_capset:
1459 case TARGET_NR_sigaltstack:
1460 case TARGET_NR_sendfile:
1461 case TARGET_NR_getpmsg:
1462 case TARGET_NR_putpmsg:
1463 case TARGET_NR_vfork:
1464 ret = get_errno(vfork());
1465 break;
1466 case TARGET_NR_ugetrlimit:
1467 case TARGET_NR_truncate64:
1468 case TARGET_NR_ftruncate64:
60cd49d5 1469 goto unimplemented;
31e31b8a 1470 case TARGET_NR_stat64:
60cd49d5
FB		 1471 ret = get_errno(stat((const char *)arg1, &st));
1472 goto do_stat64;
31e31b8a 1473 case TARGET_NR_lstat64:
60cd49d5
FB		 1474 ret = get_errno(lstat((const char *)arg1, &st));
1475 goto do_stat64;
31e31b8a 1476 case TARGET_NR_fstat64:
60cd49d5
FB		 1477 {
1478 ret = get_errno(fstat(arg1, &st));
1479 do_stat64:
1480 if (!is_error(ret)) {
1481 struct target_stat64 *target_st = (void *)arg2;
1482 target_st->st_dev = tswap16(st.st_dev);
1483 target_st->st_ino = tswapl(st.st_ino);
1484 target_st->st_mode = tswap16(st.st_mode);
1485 target_st->st_nlink = tswap16(st.st_nlink);
1486 target_st->st_uid = tswap16(st.st_uid);
1487 target_st->st_gid = tswap16(st.st_gid);
1488 target_st->st_rdev = tswap16(st.st_rdev);
1489 /* XXX: better use of kernel struct */
1490 target_st->st_size = tswapl(st.st_size);
1491 target_st->st_blksize = tswapl(st.st_blksize);
1492 target_st->st_blocks = tswapl(st.st_blocks);
1493 target_st->st_atime = tswapl(st.st_atime);
1494 target_st->st_mtime = tswapl(st.st_mtime);
1495 target_st->st_ctime = tswapl(st.st_ctime);
1496 }
1497 }
1498 break;
1499
31e31b8a
FB		 1500 case TARGET_NR_lchown32:
1501 case TARGET_NR_getuid32:
1502 case TARGET_NR_getgid32:
1503 case TARGET_NR_geteuid32:
1504 case TARGET_NR_getegid32:
1505 case TARGET_NR_setreuid32:
1506 case TARGET_NR_setregid32:
1507 case TARGET_NR_getgroups32:
1508 case TARGET_NR_setgroups32:
1509 case TARGET_NR_fchown32:
1510 case TARGET_NR_setresuid32:
1511 case TARGET_NR_getresuid32:
1512 case TARGET_NR_setresgid32:
1513 case TARGET_NR_getresgid32:
1514 case TARGET_NR_chown32:
1515 case TARGET_NR_setuid32:
1516 case TARGET_NR_setgid32:
1517 case TARGET_NR_setfsuid32:
1518 case TARGET_NR_setfsgid32:
1519 case TARGET_NR_pivot_root:
1520 case TARGET_NR_mincore:
1521 case TARGET_NR_madvise:
1522 case TARGET_NR_getdents64:
60cd49d5
FB		 1523 goto unimplemented;
1524#if TARGET_LONG_BITS == 32
31e31b8a 1525 case TARGET_NR_fcntl64:
60cd49d5
FB		 1526 switch(arg2) {
1527 case F_GETLK64:
1528 case F_SETLK64:
1529 case F_SETLKW64:
1530 goto unimplemented;
1531 default:
1532 ret = get_errno(fcntl(arg1, arg2, arg3));
1533 break;
1534 }
1535 break;
1536#endif
31e31b8a
FB		 1537 case TARGET_NR_security:
1538 goto unimplemented;
1539 case TARGET_NR_gettid:
1540 ret = get_errno(gettid());
1541 break;
1542 case TARGET_NR_readahead:
1543 case TARGET_NR_setxattr:
1544 case TARGET_NR_lsetxattr:
1545 case TARGET_NR_fsetxattr:
1546 case TARGET_NR_getxattr:
1547 case TARGET_NR_lgetxattr:
1548 case TARGET_NR_fgetxattr:
1549 case TARGET_NR_listxattr:
1550 case TARGET_NR_llistxattr:
1551 case TARGET_NR_flistxattr:
1552 case TARGET_NR_removexattr:
1553 case TARGET_NR_lremovexattr:
1554 case TARGET_NR_fremovexattr:
1555 goto unimplemented;
1556 default:
1557 unimplemented:
1558 gemu_log("Unsupported syscall: %d\n", num);
1559 ret = -ENOSYS;
1560 break;
1561 }
1562 fail:
1563 return ret;
1564}
1565
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