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