]> git.proxmox.com Git - qemu.git/blob - linux-user/syscall.c
projects / qemu.git / blob
? search:


ac40cf19ef5511c6ff89d4b5a5ee804a46b10343
[qemu.git] / linux-user / syscall.c
1 /*
2 * Linux syscalls
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20 #include <stdlib.h>
21 #include <stdio.h>
22 #include <stdarg.h>
23 #include <elf.h>
24 #include <endian.h>
25 #include <errno.h>
26 #include <unistd.h>
27 #include <fcntl.h>
28 #include <sys/types.h>
29 #include <sys/wait.h>
30 #include <sys/time.h>
31 #include <sys/stat.h>
32 #include <sys/mount.h>
33 #include <sys/resource.h>
34 #include <sys/mman.h>
35 #include <sys/swap.h>
36 #include <signal.h>
37 #include <sched.h>
38 #include <sys/socket.h>
39 #include <sys/uio.h>
40 //#include <sys/user.h>
41
42 #define termios host_termios
43 #define winsize host_winsize
44 #define termio host_termio
45
46 #include <linux/termios.h>
47 #include <linux/unistd.h>
48 #include <linux/utsname.h>
49 #include <linux/cdrom.h>
50 #include <linux/hdreg.h>
51 #include <linux/soundcard.h>
52
53 #include "gemu.h"
54
55 //#define DEBUG
56
57 #ifndef PAGE_SIZE
58 #define PAGE_SIZE 4096
59 #define PAGE_MASK ~(PAGE_SIZE - 1)
60 #endif
61
62 struct dirent {
63 long d_ino;
64 long d_off;
65 unsigned short d_reclen;
66 char d_name[256]; /* We must not include limits.h! */
67 };
68
69 #include "syscall_defs.h"
70
71 #ifdef TARGET_I386
72 #include "syscall-i386.h"
73 #endif
74
75 #define __NR_sys_uname __NR_uname
76 #define __NR_sys_getcwd1 __NR_getcwd
77 #define __NR_sys_statfs __NR_statfs
78 #define __NR_sys_fstatfs __NR_fstatfs
79 #define __NR_sys_getdents __NR_getdents
80
81 #ifdef __NR_gettid
82 _syscall0(int, gettid)
83 #else
84 static int gettid(void) {
85 return -ENOSYS;
86 }
87 #endif
88 _syscall1(int,sys_uname,struct new_utsname *,buf)
89 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
90 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
91 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
92 loff_t *, res, uint, wh);
93 _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
94 _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
95
96 static inline long get_errno(long ret)
97 {
98 if (ret == -1)
99 return -errno;
100 else
101 return ret;
102 }
103
104 static inline int is_error(long ret)
105 {
106 return (unsigned long)ret >= (unsigned long)(-4096);
107 }
108
109 static char *target_brk;
110 static char *target_original_brk;
111
112 void target_set_brk(char *new_brk)
113 {
114 target_brk = new_brk;
115 target_original_brk = new_brk;
116 }
117
118 static long do_brk(char *new_brk)
119 {
120 char *brk_page;
121 long mapped_addr;
122 int new_alloc_size;
123
124 if (!new_brk)
125 return (long)target_brk;
126 if (new_brk < target_original_brk)
127 return -ENOMEM;
128
129 brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK);
130
131 /* If the new brk is less than this, set it and we're done... */
132 if (new_brk < brk_page) {
133 target_brk = new_brk;
134 return (long)target_brk;
135 }
136
137 /* We need to allocate more memory after the brk... */
138 new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK;
139 mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size,
140 PROT_READ|PROT_WRITE,
141 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
142
143 if (is_error(mapped_addr)) {
144 return mapped_addr;
145 } else {
146 target_brk = new_brk;
147 return (long)target_brk;
148 }
149 }
150
151 static inline fd_set *target_to_host_fds(fd_set *fds,
152 target_long *target_fds, int n)
153 {
154 #if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN)
155 return (fd_set *)target_fds;
156 #else
157 int i, b;
158 if (target_fds) {
159 FD_ZERO(fds);
160 for(i = 0;i < n; i++) {
161 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
162 (i & (TARGET_LONG_BITS - 1))) & 1;
163 if (b)
164 FD_SET(i, fds);
165 }
166 return fds;
167 } else {
168 return NULL;
169 }
170 #endif
171 }
172
173 static inline void host_to_target_fds(target_long *target_fds,
174 fd_set *fds, int n)
175 {
176 #if !defined(BSWP_NEEDED) && !defined(WORD_BIGENDIAN)
177 /* nothing to do */
178 #else
179 int i, nw, j, k;
180 target_long v;
181
182 if (target_fds) {
183 nw = n / TARGET_LONG_BITS;
184 k = 0;
185 for(i = 0;i < nw; i++) {
186 v = 0;
187 for(j = 0; j < TARGET_LONG_BITS; j++) {
188 v |= ((FD_ISSET(k, fds) != 0) << j);
189 k++;
190 }
191 target_fds[i] = tswapl(v);
192 }
193 }
194 #endif
195 }
196
197 /* XXX: incorrect for some archs */
198 static void host_to_target_old_sigset(target_ulong *old_sigset,
199 const sigset_t *sigset)
200 {
201 *old_sigset = tswap32(*(unsigned long *)sigset & 0xffffffff);
202 }
203
204 static void target_to_host_old_sigset(sigset_t *sigset,
205 const target_ulong *old_sigset)
206 {
207 sigemptyset(sigset);
208 *(unsigned long *)sigset = tswapl(*old_sigset);
209 }
210
211
212 static long do_select(long n,
213 target_long *target_rfds, target_long *target_wfds,
214 target_long *target_efds, struct target_timeval *target_tv)
215 {
216 fd_set rfds, wfds, efds;
217 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
218 struct timeval tv, *tv_ptr;
219 long ret;
220
221 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
222 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
223 efds_ptr = target_to_host_fds(&efds, target_efds, n);
224
225 if (target_tv) {
226 tv.tv_sec = tswapl(target_tv->tv_sec);
227 tv.tv_usec = tswapl(target_tv->tv_usec);
228 tv_ptr = &tv;
229 } else {
230 tv_ptr = NULL;
231 }
232 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
233 if (!is_error(ret)) {
234 host_to_target_fds(target_rfds, rfds_ptr, n);
235 host_to_target_fds(target_wfds, wfds_ptr, n);
236 host_to_target_fds(target_efds, efds_ptr, n);
237
238 if (target_tv) {
239 target_tv->tv_sec = tswapl(tv.tv_sec);
240 target_tv->tv_usec = tswapl(tv.tv_usec);
241 }
242 }
243 return ret;
244 }
245
246 static long do_socketcall(int num, long *vptr)
247 {
248 long ret;
249
250 switch(num) {
251 case SOCKOP_socket:
252 ret = get_errno(socket(vptr[0], vptr[1], vptr[2]));
253 break;
254 case SOCKOP_bind:
255 ret = get_errno(bind(vptr[0], (struct sockaddr *)vptr[1], vptr[2]));
256 break;
257 case SOCKOP_connect:
258 ret = get_errno(connect(vptr[0], (struct sockaddr *)vptr[1], vptr[2]));
259 break;
260 case SOCKOP_listen:
261 ret = get_errno(listen(vptr[0], vptr[1]));
262 break;
263 case SOCKOP_accept:
264 {
265 socklen_t size;
266 size = tswap32(*(int32_t *)vptr[2]);
267 ret = get_errno(accept(vptr[0], (struct sockaddr *)vptr[1], &size));
268 if (!is_error(ret))
269 *(int32_t *)vptr[2] = size;
270 }
271 break;
272 case SOCKOP_getsockname:
273 {
274 socklen_t size;
275 size = tswap32(*(int32_t *)vptr[2]);
276 ret = get_errno(getsockname(vptr[0], (struct sockaddr *)vptr[1], &size));
277 if (!is_error(ret))
278 *(int32_t *)vptr[2] = size;
279 }
280 break;
281 case SOCKOP_getpeername:
282 {
283 socklen_t size;
284 size = tswap32(*(int32_t *)vptr[2]);
285 ret = get_errno(getpeername(vptr[0], (struct sockaddr *)vptr[1], &size));
286 if (!is_error(ret))
287 *(int32_t *)vptr[2] = size;
288 }
289 break;
290 case SOCKOP_socketpair:
291 {
292 int tab[2];
293 int32_t *target_tab = (int32_t *)vptr[3];
294 ret = get_errno(socketpair(vptr[0], vptr[1], vptr[2], tab));
295 if (!is_error(ret)) {
296 target_tab[0] = tswap32(tab[0]);
297 target_tab[1] = tswap32(tab[1]);
298 }
299 }
300 break;
301 case SOCKOP_send:
302 ret = get_errno(send(vptr[0], (void *)vptr[1], vptr[2], vptr[3]));
303 break;
304 case SOCKOP_recv:
305 ret = get_errno(recv(vptr[0], (void *)vptr[1], vptr[2], vptr[3]));
306 break;
307 case SOCKOP_sendto:
308 ret = get_errno(sendto(vptr[0], (void *)vptr[1], vptr[2], vptr[3],
309 (struct sockaddr *)vptr[4], vptr[5]));
310 break;
311 case SOCKOP_recvfrom:
312 {
313 socklen_t size;
314 size = tswap32(*(int32_t *)vptr[5]);
315 ret = get_errno(recvfrom(vptr[0], (void *)vptr[1], vptr[2],
316 vptr[3], (struct sockaddr *)vptr[4], &size));
317 if (!is_error(ret))
318 *(int32_t *)vptr[5] = size;
319 }
320 break;
321 case SOCKOP_shutdown:
322 ret = get_errno(shutdown(vptr[0], vptr[1]));
323 break;
324 case SOCKOP_sendmsg:
325 case SOCKOP_recvmsg:
326 case SOCKOP_setsockopt:
327 case SOCKOP_getsockopt:
328 default:
329 gemu_log("Unsupported socketcall: %d\n", num);
330 ret = -ENOSYS;
331 break;
332 }
333 return ret;
334 }
335
336 /* kernel structure types definitions */
337 #define IFNAMSIZ 16
338
339 #define STRUCT(name, list...) STRUCT_ ## name,
340 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
341 enum {
342 #include "syscall_types.h"
343 };
344 #undef STRUCT
345 #undef STRUCT_SPECIAL
346
347 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
348 #define STRUCT_SPECIAL(name)
349 #include "syscall_types.h"
350 #undef STRUCT
351 #undef STRUCT_SPECIAL
352
353 typedef struct IOCTLEntry {
354 int target_cmd;
355 int host_cmd;
356 const char *name;
357 int access;
358 const argtype arg_type[3];
359 } IOCTLEntry;
360
361 #define IOC_R 0x0001
362 #define IOC_W 0x0002
363 #define IOC_RW (IOC_R | IOC_W)
364
365 #define MAX_STRUCT_SIZE 4096
366
367 const IOCTLEntry ioctl_entries[] = {
368 #define IOCTL(cmd, access, types...) \
369 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
370 #include "ioctls.h"
371 { 0, 0, },
372 };
373
374 static long do_ioctl(long fd, long cmd, long arg)
375 {
376 const IOCTLEntry *ie;
377 const argtype *arg_type;
378 long ret;
379 uint8_t buf_temp[MAX_STRUCT_SIZE];
380
381 ie = ioctl_entries;
382 for(;;) {
383 if (ie->target_cmd == 0) {
384 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
385 return -ENOSYS;
386 }
387 if (ie->target_cmd == cmd)
388 break;
389 ie++;
390 }
391 arg_type = ie->arg_type;
392 #ifdef DEBUG
393 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
394 #endif
395 switch(arg_type[0]) {
396 case TYPE_NULL:
397 /* no argument */
398 ret = get_errno(ioctl(fd, ie->host_cmd));
399 break;
400 case TYPE_PTRVOID:
401 case TYPE_INT:
402 /* int argment */
403 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
404 break;
405 case TYPE_PTR:
406 arg_type++;
407 switch(ie->access) {
408 case IOC_R:
409 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
410 if (!is_error(ret)) {
411 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
412 }
413 break;
414 case IOC_W:
415 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
416 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
417 break;
418 default:
419 case IOC_RW:
420 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
421 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
422 if (!is_error(ret)) {
423 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
424 }
425 break;
426 }
427 break;
428 default:
429 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
430 ret = -ENOSYS;
431 break;
432 }
433 return ret;
434 }
435
436 bitmask_transtbl iflag_tbl[] = {
437 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
438 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
439 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
440 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
441 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
442 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
443 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
444 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
445 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
446 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
447 { TARGET_IXON, TARGET_IXON, IXON, IXON },
448 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
449 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
450 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
451 { 0, 0, 0, 0 }
452 };
453
454 bitmask_transtbl oflag_tbl[] = {
455 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
456 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
457 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
458 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
459 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
460 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
461 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
462 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
463 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
464 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
465 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
466 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
467 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
468 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
469 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
470 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
471 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
472 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
473 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
474 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
475 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
476 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
477 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
478 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
479 { 0, 0, 0, 0 }
480 };
481
482 bitmask_transtbl cflag_tbl[] = {
483 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
484 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
485 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
486 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
487 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
488 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
489 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
490 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
491 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
492 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
493 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
494 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
495 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
496 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
497 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
498 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
499 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
500 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
501 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
502 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
503 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
504 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
505 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
506 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
507 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
508 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
509 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
510 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
511 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
512 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
513 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
514 { 0, 0, 0, 0 }
515 };
516
517 bitmask_transtbl lflag_tbl[] = {
518 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
519 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
520 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
521 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
522 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
523 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
524 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
525 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
526 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
527 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
528 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
529 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
530 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
531 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
532 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
533 { 0, 0, 0, 0 }
534 };
535
536 static void target_to_host_termios (void *dst, const void *src)
537 {
538 struct host_termios *host = dst;
539 const struct target_termios *target = src;
540
541 host->c_iflag =
542 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
543 host->c_oflag =
544 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
545 host->c_cflag =
546 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
547 host->c_lflag =
548 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
549 host->c_line = target->c_line;
550
551 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
552 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
553 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
554 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
555 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
556 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
557 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
558 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
559 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
560 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
561 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
562 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
563 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
564 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
565 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
566 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
567 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
568 }
569
570 static void host_to_target_termios (void *dst, const void *src)
571 {
572 struct target_termios *target = dst;
573 const struct host_termios *host = src;
574
575 target->c_iflag =
576 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
577 target->c_oflag =
578 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
579 target->c_cflag =
580 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
581 target->c_lflag =
582 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
583 target->c_line = host->c_line;
584
585 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
586 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
587 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
588 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
589 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
590 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
591 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
592 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
593 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
594 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
595 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
596 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
597 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
598 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
599 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
600 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
601 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
602 }
603
604 StructEntry struct_termios_def = {
605 .convert = { host_to_target_termios, target_to_host_termios },
606 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
607 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
608 };
609
610 void syscall_init(void)
611 {
612 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
613 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
614 #include "syscall_types.h"
615 #undef STRUCT
616 #undef STRUCT_SPECIAL
617 }
618
619 long do_syscall(int num, long arg1, long arg2, long arg3,
620 long arg4, long arg5, long arg6)
621 {
622 long ret;
623 struct stat st;
624 struct kernel_statfs *stfs;
625
626 #ifdef DEBUG
627 gemu_log("syscall %d\n", num);
628 #endif
629 switch(num) {
630 case TARGET_NR_exit:
631 #ifdef HAVE_GPROF
632 _mcleanup();
633 #endif
634 _exit(arg1);
635 ret = 0; /* avoid warning */
636 break;
637 case TARGET_NR_read:
638 ret = get_errno(read(arg1, (void *)arg2, arg3));
639 break;
640 case TARGET_NR_write:
641 ret = get_errno(write(arg1, (void *)arg2, arg3));
642 break;
643 case TARGET_NR_open:
644 ret = get_errno(open((const char *)arg1, arg2, arg3));
645 break;
646 case TARGET_NR_close:
647 ret = get_errno(close(arg1));
648 break;
649 case TARGET_NR_brk:
650 ret = do_brk((char *)arg1);
651 break;
652 case TARGET_NR_fork:
653 ret = get_errno(fork());
654 break;
655 case TARGET_NR_waitpid:
656 {
657 int *status = (int *)arg2;
658 ret = get_errno(waitpid(arg1, status, arg3));
659 if (!is_error(ret) && status)
660 tswapls((long *)&status);
661 }
662 break;
663 case TARGET_NR_creat:
664 ret = get_errno(creat((const char *)arg1, arg2));
665 break;
666 case TARGET_NR_link:
667 ret = get_errno(link((const char *)arg1, (const char *)arg2));
668 break;
669 case TARGET_NR_unlink:
670 ret = get_errno(unlink((const char *)arg1));
671 break;
672 case TARGET_NR_execve:
673 ret = get_errno(execve((const char *)arg1, (void *)arg2, (void *)arg3));
674 break;
675 case TARGET_NR_chdir:
676 ret = get_errno(chdir((const char *)arg1));
677 break;
678 case TARGET_NR_time:
679 {
680 int *time_ptr = (int *)arg1;
681 ret = get_errno(time((time_t *)time_ptr));
682 if (!is_error(ret) && time_ptr)
683 tswap32s(time_ptr);
684 }
685 break;
686 case TARGET_NR_mknod:
687 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
688 break;
689 case TARGET_NR_chmod:
690 ret = get_errno(chmod((const char *)arg1, arg2));
691 break;
692 case TARGET_NR_lchown:
693 ret = get_errno(chown((const char *)arg1, arg2, arg3));
694 break;
695 case TARGET_NR_break:
696 goto unimplemented;
697 case TARGET_NR_oldstat:
698 goto unimplemented;
699 case TARGET_NR_lseek:
700 ret = get_errno(lseek(arg1, arg2, arg3));
701 break;
702 case TARGET_NR_getpid:
703 ret = get_errno(getpid());
704 break;
705 case TARGET_NR_mount:
706 /* need to look at the data field */
707 goto unimplemented;
708 case TARGET_NR_umount:
709 ret = get_errno(umount((const char *)arg1));
710 break;
711 case TARGET_NR_setuid:
712 ret = get_errno(setuid(arg1));
713 break;
714 case TARGET_NR_getuid:
715 ret = get_errno(getuid());
716 break;
717 case TARGET_NR_stime:
718 {
719 int *time_ptr = (int *)arg1;
720 if (time_ptr)
721 tswap32s(time_ptr);
722 ret = get_errno(stime((time_t *)time_ptr));
723 }
724 break;
725 case TARGET_NR_ptrace:
726 goto unimplemented;
727 case TARGET_NR_alarm:
728 ret = alarm(arg1);
729 break;
730 case TARGET_NR_oldfstat:
731 goto unimplemented;
732 case TARGET_NR_pause:
733 ret = get_errno(pause());
734 break;
735 case TARGET_NR_utime:
736 goto unimplemented;
737 case TARGET_NR_stty:
738 goto unimplemented;
739 case TARGET_NR_gtty:
740 goto unimplemented;
741 case TARGET_NR_access:
742 ret = get_errno(access((const char *)arg1, arg2));
743 break;
744 case TARGET_NR_nice:
745 ret = get_errno(nice(arg1));
746 break;
747 case TARGET_NR_ftime:
748 goto unimplemented;
749 case TARGET_NR_sync:
750 ret = get_errno(sync());
751 break;
752 case TARGET_NR_kill:
753 ret = get_errno(kill(arg1, arg2));
754 break;
755 case TARGET_NR_rename:
756 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
757 break;
758 case TARGET_NR_mkdir:
759 ret = get_errno(mkdir((const char *)arg1, arg2));
760 break;
761 case TARGET_NR_rmdir:
762 ret = get_errno(rmdir((const char *)arg1));
763 break;
764 case TARGET_NR_dup:
765 ret = get_errno(dup(arg1));
766 break;
767 case TARGET_NR_pipe:
768 {
769 int *pipe_ptr = (int *)arg1;
770 ret = get_errno(pipe(pipe_ptr));
771 if (!is_error(ret)) {
772 tswap32s(&pipe_ptr[0]);
773 tswap32s(&pipe_ptr[1]);
774 }
775 }
776 break;
777 case TARGET_NR_times:
778 goto unimplemented;
779 case TARGET_NR_prof:
780 goto unimplemented;
781 case TARGET_NR_setgid:
782 ret = get_errno(setgid(arg1));
783 break;
784 case TARGET_NR_getgid:
785 ret = get_errno(getgid());
786 break;
787 case TARGET_NR_signal:
788 goto unimplemented;
789 case TARGET_NR_geteuid:
790 ret = get_errno(geteuid());
791 break;
792 case TARGET_NR_getegid:
793 ret = get_errno(getegid());
794 break;
795 case TARGET_NR_acct:
796 goto unimplemented;
797 case TARGET_NR_umount2:
798 ret = get_errno(umount2((const char *)arg1, arg2));
799 break;
800 case TARGET_NR_lock:
801 goto unimplemented;
802 case TARGET_NR_ioctl:
803 ret = do_ioctl(arg1, arg2, arg3);
804 break;
805 case TARGET_NR_fcntl:
806 switch(arg2) {
807 case F_GETLK:
808 case F_SETLK:
809 case F_SETLKW:
810 goto unimplemented;
811 default:
812 ret = get_errno(fcntl(arg1, arg2, arg3));
813 break;
814 }
815 break;
816 case TARGET_NR_mpx:
817 goto unimplemented;
818 case TARGET_NR_setpgid:
819 ret = get_errno(setpgid(arg1, arg2));
820 break;
821 case TARGET_NR_ulimit:
822 goto unimplemented;
823 case TARGET_NR_oldolduname:
824 goto unimplemented;
825 case TARGET_NR_umask:
826 ret = get_errno(umask(arg1));
827 break;
828 case TARGET_NR_chroot:
829 ret = get_errno(chroot((const char *)arg1));
830 break;
831 case TARGET_NR_ustat:
832 goto unimplemented;
833 case TARGET_NR_dup2:
834 ret = get_errno(dup2(arg1, arg2));
835 break;
836 case TARGET_NR_getppid:
837 ret = get_errno(getppid());
838 break;
839 case TARGET_NR_getpgrp:
840 ret = get_errno(getpgrp());
841 break;
842 case TARGET_NR_setsid:
843 ret = get_errno(setsid());
844 break;
845 case TARGET_NR_sigaction:
846 #if 0
847 {
848 int signum = arg1;
849 struct target_old_sigaction *tact = arg2, *toldact = arg3;
850 ret = get_errno(setsid());
851
852
853 }
854 break;
855 #else
856 goto unimplemented;
857 #endif
858 case TARGET_NR_sgetmask:
859 goto unimplemented;
860 case TARGET_NR_ssetmask:
861 goto unimplemented;
862 case TARGET_NR_setreuid:
863 ret = get_errno(setreuid(arg1, arg2));
864 break;
865 case TARGET_NR_setregid:
866 ret = get_errno(setregid(arg1, arg2));
867 break;
868 case TARGET_NR_sigsuspend:
869 goto unimplemented;
870 case TARGET_NR_sigpending:
871 goto unimplemented;
872 case TARGET_NR_sethostname:
873 ret = get_errno(sethostname((const char *)arg1, arg2));
874 break;
875 case TARGET_NR_setrlimit:
876 goto unimplemented;
877 case TARGET_NR_getrlimit:
878 goto unimplemented;
879 case TARGET_NR_getrusage:
880 goto unimplemented;
881 case TARGET_NR_gettimeofday:
882 {
883 struct target_timeval *target_tv = (void *)arg1;
884 struct timeval tv;
885 ret = get_errno(gettimeofday(&tv, NULL));
886 if (!is_error(ret)) {
887 target_tv->tv_sec = tswapl(tv.tv_sec);
888 target_tv->tv_usec = tswapl(tv.tv_usec);
889 }
890 }
891 break;
892 case TARGET_NR_settimeofday:
893 {
894 struct target_timeval *target_tv = (void *)arg1;
895 struct timeval tv;
896 tv.tv_sec = tswapl(target_tv->tv_sec);
897 tv.tv_usec = tswapl(target_tv->tv_usec);
898 ret = get_errno(settimeofday(&tv, NULL));
899 }
900 break;
901 case TARGET_NR_getgroups:
902 goto unimplemented;
903 case TARGET_NR_setgroups:
904 goto unimplemented;
905 case TARGET_NR_select:
906 goto unimplemented;
907 case TARGET_NR_symlink:
908 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
909 break;
910 case TARGET_NR_oldlstat:
911 goto unimplemented;
912 case TARGET_NR_readlink:
913 ret = get_errno(readlink((const char *)arg1, (char *)arg2, arg3));
914 break;
915 case TARGET_NR_uselib:
916 goto unimplemented;
917 case TARGET_NR_swapon:
918 ret = get_errno(swapon((const char *)arg1, arg2));
919 break;
920 case TARGET_NR_reboot:
921 goto unimplemented;
922 case TARGET_NR_readdir:
923 goto unimplemented;
924 #ifdef TARGET_I386
925 case TARGET_NR_mmap:
926 {
927 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
928 vptr = (uint32_t *)arg1;
929 v1 = tswap32(vptr[0]);
930 v2 = tswap32(vptr[1]);
931 v3 = tswap32(vptr[2]);
932 v4 = tswap32(vptr[3]);
933 v5 = tswap32(vptr[4]);
934 v6 = tswap32(vptr[5]);
935 ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6));
936 }
937 break;
938 #endif
939 #ifdef TARGET_I386
940 case TARGET_NR_mmap2:
941 #else
942 case TARGET_NR_mmap:
943 #endif
944 ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6));
945 break;
946 case TARGET_NR_munmap:
947 ret = get_errno(munmap((void *)arg1, arg2));
948 break;
949 case TARGET_NR_truncate:
950 ret = get_errno(truncate((const char *)arg1, arg2));
951 break;
952 case TARGET_NR_ftruncate:
953 ret = get_errno(ftruncate(arg1, arg2));
954 break;
955 case TARGET_NR_fchmod:
956 ret = get_errno(fchmod(arg1, arg2));
957 break;
958 case TARGET_NR_fchown:
959 ret = get_errno(fchown(arg1, arg2, arg3));
960 break;
961 case TARGET_NR_getpriority:
962 ret = get_errno(getpriority(arg1, arg2));
963 break;
964 case TARGET_NR_setpriority:
965 ret = get_errno(setpriority(arg1, arg2, arg3));
966 break;
967 case TARGET_NR_profil:
968 goto unimplemented;
969 case TARGET_NR_statfs:
970 stfs = (void *)arg2;
971 ret = get_errno(sys_statfs((const char *)arg1, stfs));
972 convert_statfs:
973 if (!is_error(ret)) {
974 tswap32s(&stfs->f_type);
975 tswap32s(&stfs->f_bsize);
976 tswap32s(&stfs->f_blocks);
977 tswap32s(&stfs->f_bfree);
978 tswap32s(&stfs->f_bavail);
979 tswap32s(&stfs->f_files);
980 tswap32s(&stfs->f_ffree);
981 tswap32s(&stfs->f_fsid.val[0]);
982 tswap32s(&stfs->f_fsid.val[1]);
983 tswap32s(&stfs->f_namelen);
984 }
985 break;
986 case TARGET_NR_fstatfs:
987 stfs = (void *)arg2;
988 ret = get_errno(sys_fstatfs(arg1, stfs));
989 goto convert_statfs;
990 case TARGET_NR_ioperm:
991 goto unimplemented;
992 case TARGET_NR_socketcall:
993 ret = do_socketcall(arg1, (long *)arg2);
994 break;
995 case TARGET_NR_syslog:
996 goto unimplemented;
997 case TARGET_NR_setitimer:
998 goto unimplemented;
999 case TARGET_NR_getitimer:
1000 goto unimplemented;
1001 case TARGET_NR_stat:
1002 ret = get_errno(stat((const char *)arg1, &st));
1003 goto do_stat;
1004 case TARGET_NR_lstat:
1005 ret = get_errno(lstat((const char *)arg1, &st));
1006 goto do_stat;
1007 case TARGET_NR_fstat:
1008 {
1009 ret = get_errno(fstat(arg1, &st));
1010 do_stat:
1011 if (!is_error(ret)) {
1012 struct target_stat *target_st = (void *)arg2;
1013 target_st->st_dev = tswap16(st.st_dev);
1014 target_st->st_ino = tswapl(st.st_ino);
1015 target_st->st_mode = tswap16(st.st_mode);
1016 target_st->st_nlink = tswap16(st.st_nlink);
1017 target_st->st_uid = tswap16(st.st_uid);
1018 target_st->st_gid = tswap16(st.st_gid);
1019 target_st->st_rdev = tswap16(st.st_rdev);
1020 target_st->st_size = tswapl(st.st_size);
1021 target_st->st_blksize = tswapl(st.st_blksize);
1022 target_st->st_blocks = tswapl(st.st_blocks);
1023 target_st->st_atime = tswapl(st.st_atime);
1024 target_st->st_mtime = tswapl(st.st_mtime);
1025 target_st->st_ctime = tswapl(st.st_ctime);
1026 }
1027 }
1028 break;
1029 case TARGET_NR_olduname:
1030 goto unimplemented;
1031 case TARGET_NR_iopl:
1032 goto unimplemented;
1033 case TARGET_NR_vhangup:
1034 ret = get_errno(vhangup());
1035 break;
1036 case TARGET_NR_idle:
1037 goto unimplemented;
1038 case TARGET_NR_vm86old:
1039 goto unimplemented;
1040 case TARGET_NR_wait4:
1041 {
1042 int status;
1043 target_long *status_ptr = (void *)arg2;
1044 struct rusage rusage, *rusage_ptr;
1045 struct target_rusage *target_rusage = (void *)arg4;
1046 if (target_rusage)
1047 rusage_ptr = &rusage;
1048 else
1049 rusage_ptr = NULL;
1050 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
1051 if (!is_error(ret)) {
1052 if (status_ptr)
1053 *status_ptr = tswap32(status);
1054 if (target_rusage) {
1055 target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec);
1056 target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec);
1057 target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec);
1058 target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec);
1059 target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss);
1060 target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss);
1061 target_rusage->ru_idrss = tswapl(rusage.ru_idrss);
1062 target_rusage->ru_isrss = tswapl(rusage.ru_isrss);
1063 target_rusage->ru_minflt = tswapl(rusage.ru_minflt);
1064 target_rusage->ru_majflt = tswapl(rusage.ru_majflt);
1065 target_rusage->ru_nswap = tswapl(rusage.ru_nswap);
1066 target_rusage->ru_inblock = tswapl(rusage.ru_inblock);
1067 target_rusage->ru_oublock = tswapl(rusage.ru_oublock);
1068 target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd);
1069 target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv);
1070 target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals);
1071 target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw);
1072 target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw);
1073 }
1074 }
1075 }
1076 break;
1077 case TARGET_NR_swapoff:
1078 ret = get_errno(swapoff((const char *)arg1));
1079 break;
1080 case TARGET_NR_sysinfo:
1081 goto unimplemented;
1082 case TARGET_NR_ipc:
1083 goto unimplemented;
1084 case TARGET_NR_fsync:
1085 ret = get_errno(fsync(arg1));
1086 break;
1087 case TARGET_NR_sigreturn:
1088 goto unimplemented;
1089 case TARGET_NR_clone:
1090 goto unimplemented;
1091 case TARGET_NR_setdomainname:
1092 ret = get_errno(setdomainname((const char *)arg1, arg2));
1093 break;
1094 case TARGET_NR_uname:
1095 /* no need to transcode because we use the linux syscall */
1096 ret = get_errno(sys_uname((struct new_utsname *)arg1));
1097 break;
1098 case TARGET_NR_modify_ldt:
1099 goto unimplemented;
1100 case TARGET_NR_adjtimex:
1101 goto unimplemented;
1102 case TARGET_NR_mprotect:
1103 ret = get_errno(mprotect((void *)arg1, arg2, arg3));
1104 break;
1105 case TARGET_NR_sigprocmask:
1106 {
1107 int how = arg1;
1108 sigset_t set, oldset, *set_ptr;
1109 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1110
1111 switch(how) {
1112 case TARGET_SIG_BLOCK:
1113 how = SIG_BLOCK;
1114 break;
1115 case TARGET_SIG_UNBLOCK:
1116 how = SIG_UNBLOCK;
1117 break;
1118 case TARGET_SIG_SETMASK:
1119 how = SIG_SETMASK;
1120 break;
1121 default:
1122 ret = -EINVAL;
1123 goto fail;
1124 }
1125
1126 if (pset) {
1127 target_to_host_old_sigset(&set, pset);
1128 set_ptr = &set;
1129 } else {
1130 set_ptr = NULL;
1131 }
1132 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1133 if (!is_error(ret) && poldset) {
1134 host_to_target_old_sigset(poldset, &oldset);
1135 }
1136 }
1137 break;
1138 case TARGET_NR_create_module:
1139 case TARGET_NR_init_module:
1140 case TARGET_NR_delete_module:
1141 case TARGET_NR_get_kernel_syms:
1142 goto unimplemented;
1143 case TARGET_NR_quotactl:
1144 goto unimplemented;
1145 case TARGET_NR_getpgid:
1146 ret = get_errno(getpgid(arg1));
1147 break;
1148 case TARGET_NR_fchdir:
1149 ret = get_errno(fchdir(arg1));
1150 break;
1151 case TARGET_NR_bdflush:
1152 goto unimplemented;
1153 case TARGET_NR_sysfs:
1154 goto unimplemented;
1155 case TARGET_NR_personality:
1156 ret = get_errno(mprotect((void *)arg1, arg2, arg3));
1157 break;
1158 case TARGET_NR_afs_syscall:
1159 goto unimplemented;
1160 case TARGET_NR_setfsuid:
1161 goto unimplemented;
1162 case TARGET_NR_setfsgid:
1163 goto unimplemented;
1164 case TARGET_NR__llseek:
1165 {
1166 int64_t res;
1167 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1168 *(int64_t *)arg4 = tswap64(res);
1169 }
1170 break;
1171 case TARGET_NR_getdents:
1172 #if TARGET_LONG_SIZE != 4
1173 #error not supported
1174 #endif
1175 {
1176 struct dirent *dirp = (void *)arg2;
1177 long count = arg3;
1178 ret = get_errno(sys_getdents(arg1, dirp, count));
1179 if (!is_error(ret)) {
1180 struct dirent *de;
1181 int len = ret;
1182 int reclen;
1183 de = dirp;
1184 while (len > 0) {
1185 reclen = tswap16(de->d_reclen);
1186 if (reclen > len)
1187 break;
1188 de->d_reclen = reclen;
1189 tswapls(&de->d_ino);
1190 tswapls(&de->d_off);
1191 de = (struct dirent *)((char *)de + reclen);
1192 len -= reclen;
1193 }
1194 }
1195 }
1196 break;
1197 case TARGET_NR__newselect:
1198 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
1199 (void *)arg5);
1200 break;
1201 case TARGET_NR_flock:
1202 goto unimplemented;
1203 case TARGET_NR_msync:
1204 ret = get_errno(msync((void *)arg1, arg2, arg3));
1205 break;
1206 case TARGET_NR_readv:
1207 {
1208 int count = arg3;
1209 int i;
1210 struct iovec *vec;
1211 struct target_iovec *target_vec = (void *)arg2;
1212
1213 vec = alloca(count * sizeof(struct iovec));
1214 for(i = 0;i < count; i++) {
1215 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
1216 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1217 }
1218 ret = get_errno(readv(arg1, vec, count));
1219 }
1220 break;
1221 case TARGET_NR_writev:
1222 {
1223 int count = arg3;
1224 int i;
1225 struct iovec *vec;
1226 struct target_iovec *target_vec = (void *)arg2;
1227
1228 vec = alloca(count * sizeof(struct iovec));
1229 for(i = 0;i < count; i++) {
1230 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
1231 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1232 }
1233 ret = get_errno(writev(arg1, vec, count));
1234 }
1235 break;
1236 case TARGET_NR_getsid:
1237 ret = get_errno(getsid(arg1));
1238 break;
1239 case TARGET_NR_fdatasync:
1240 goto unimplemented;
1241 case TARGET_NR__sysctl:
1242 goto unimplemented;
1243 case TARGET_NR_mlock:
1244 ret = get_errno(mlock((void *)arg1, arg2));
1245 break;
1246 case TARGET_NR_munlock:
1247 ret = get_errno(munlock((void *)arg1, arg2));
1248 break;
1249 case TARGET_NR_mlockall:
1250 ret = get_errno(mlockall(arg1));
1251 break;
1252 case TARGET_NR_munlockall:
1253 ret = get_errno(munlockall());
1254 break;
1255 case TARGET_NR_sched_setparam:
1256 goto unimplemented;
1257 case TARGET_NR_sched_getparam:
1258 goto unimplemented;
1259 case TARGET_NR_sched_setscheduler:
1260 goto unimplemented;
1261 case TARGET_NR_sched_getscheduler:
1262 goto unimplemented;
1263 case TARGET_NR_sched_yield:
1264 ret = get_errno(sched_yield());
1265 break;
1266 case TARGET_NR_sched_get_priority_max:
1267 case TARGET_NR_sched_get_priority_min:
1268 case TARGET_NR_sched_rr_get_interval:
1269 case TARGET_NR_nanosleep:
1270 case TARGET_NR_mremap:
1271 case TARGET_NR_setresuid:
1272 case TARGET_NR_getresuid:
1273 case TARGET_NR_vm86:
1274 case TARGET_NR_query_module:
1275 case TARGET_NR_poll:
1276 case TARGET_NR_nfsservctl:
1277 case TARGET_NR_setresgid:
1278 case TARGET_NR_getresgid:
1279 case TARGET_NR_prctl:
1280 case TARGET_NR_rt_sigreturn:
1281 case TARGET_NR_rt_sigaction:
1282 case TARGET_NR_rt_sigprocmask:
1283 case TARGET_NR_rt_sigpending:
1284 case TARGET_NR_rt_sigtimedwait:
1285 case TARGET_NR_rt_sigqueueinfo:
1286 case TARGET_NR_rt_sigsuspend:
1287 case TARGET_NR_pread:
1288 case TARGET_NR_pwrite:
1289 goto unimplemented;
1290 case TARGET_NR_chown:
1291 ret = get_errno(chown((const char *)arg1, arg2, arg3));
1292 break;
1293 case TARGET_NR_getcwd:
1294 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
1295 break;
1296 case TARGET_NR_capget:
1297 case TARGET_NR_capset:
1298 case TARGET_NR_sigaltstack:
1299 case TARGET_NR_sendfile:
1300 case TARGET_NR_getpmsg:
1301 case TARGET_NR_putpmsg:
1302 case TARGET_NR_vfork:
1303 ret = get_errno(vfork());
1304 break;
1305 case TARGET_NR_ugetrlimit:
1306 case TARGET_NR_truncate64:
1307 case TARGET_NR_ftruncate64:
1308 case TARGET_NR_stat64:
1309 case TARGET_NR_lstat64:
1310 case TARGET_NR_fstat64:
1311 case TARGET_NR_lchown32:
1312 case TARGET_NR_getuid32:
1313 case TARGET_NR_getgid32:
1314 case TARGET_NR_geteuid32:
1315 case TARGET_NR_getegid32:
1316 case TARGET_NR_setreuid32:
1317 case TARGET_NR_setregid32:
1318 case TARGET_NR_getgroups32:
1319 case TARGET_NR_setgroups32:
1320 case TARGET_NR_fchown32:
1321 case TARGET_NR_setresuid32:
1322 case TARGET_NR_getresuid32:
1323 case TARGET_NR_setresgid32:
1324 case TARGET_NR_getresgid32:
1325 case TARGET_NR_chown32:
1326 case TARGET_NR_setuid32:
1327 case TARGET_NR_setgid32:
1328 case TARGET_NR_setfsuid32:
1329 case TARGET_NR_setfsgid32:
1330 case TARGET_NR_pivot_root:
1331 case TARGET_NR_mincore:
1332 case TARGET_NR_madvise:
1333 case TARGET_NR_getdents64:
1334 case TARGET_NR_fcntl64:
1335 case TARGET_NR_security:
1336 goto unimplemented;
1337 case TARGET_NR_gettid:
1338 ret = get_errno(gettid());
1339 break;
1340 case TARGET_NR_readahead:
1341 case TARGET_NR_setxattr:
1342 case TARGET_NR_lsetxattr:
1343 case TARGET_NR_fsetxattr:
1344 case TARGET_NR_getxattr:
1345 case TARGET_NR_lgetxattr:
1346 case TARGET_NR_fgetxattr:
1347 case TARGET_NR_listxattr:
1348 case TARGET_NR_llistxattr:
1349 case TARGET_NR_flistxattr:
1350 case TARGET_NR_removexattr:
1351 case TARGET_NR_lremovexattr:
1352 case TARGET_NR_fremovexattr:
1353 goto unimplemented;
1354 default:
1355 unimplemented:
1356 gemu_log("Unsupported syscall: %d\n", num);
1357 ret = -ENOSYS;
1358 break;
1359 }
1360 fail:
1361 return ret;
1362 }
1363
Qemu copy for testing