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[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 <string.h>
24 #include <elf.h>
25 #include <endian.h>
26 #include <errno.h>
27 #include <unistd.h>
28 #include <fcntl.h>
29 #include <time.h>
30 #include <sys/types.h>
31 #include <sys/wait.h>
32 #include <sys/time.h>
33 #include <sys/stat.h>
34 #include <sys/mount.h>
35 #include <sys/resource.h>
36 #include <sys/mman.h>
37 #include <sys/swap.h>
38 #include <signal.h>
39 #include <sched.h>
40 #include <sys/socket.h>
41 #include <sys/uio.h>
42 #include <sys/poll.h>
43 #include <sys/times.h>
44 #include <sys/shm.h>
45 #include <utime.h>
46 #include <sys/sysinfo.h>
47 //#include <sys/user.h>
48 #include <netinet/ip.h>
49 #include <netinet/tcp.h>
50
51 #define termios host_termios
52 #define winsize host_winsize
53 #define termio host_termio
54 #define sgttyb host_sgttyb /* same as target */
55 #define tchars host_tchars /* same as target */
56 #define ltchars host_ltchars /* same as target */
57
58 #include <linux/termios.h>
59 #include <linux/unistd.h>
60 #include <linux/utsname.h>
61 #include <linux/cdrom.h>
62 #include <linux/hdreg.h>
63 #include <linux/soundcard.h>
64 #include <linux/dirent.h>
65 #include <linux/kd.h>
66
67 #include "qemu.h"
68
69 //#define DEBUG
70
71 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC)
72 /* 16 bit uid wrappers emulation */
73 #define USE_UID16
74 #endif
75
76 //#include <linux/msdos_fs.h>
77 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
78 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
79
80
81 #if defined(__powerpc__)
82 #undef __syscall_nr
83 #undef __sc_loadargs_0
84 #undef __sc_loadargs_1
85 #undef __sc_loadargs_2
86 #undef __sc_loadargs_3
87 #undef __sc_loadargs_4
88 #undef __sc_loadargs_5
89 #undef __sc_asm_input_0
90 #undef __sc_asm_input_1
91 #undef __sc_asm_input_2
92 #undef __sc_asm_input_3
93 #undef __sc_asm_input_4
94 #undef __sc_asm_input_5
95 #undef _syscall0
96 #undef _syscall1
97 #undef _syscall2
98 #undef _syscall3
99 #undef _syscall4
100 #undef _syscall5
101
102 /* need to redefine syscalls as Linux kernel defines are incorrect for
103 the clobber list */
104 /* On powerpc a system call basically clobbers the same registers like a
105 * function call, with the exception of LR (which is needed for the
106 * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
107 * an error return status).
108 */
109
110 #define __syscall_nr(nr, type, name, args...) \
111 unsigned long __sc_ret, __sc_err; \
112 { \
113 register unsigned long __sc_0 __asm__ ("r0"); \
114 register unsigned long __sc_3 __asm__ ("r3"); \
115 register unsigned long __sc_4 __asm__ ("r4"); \
116 register unsigned long __sc_5 __asm__ ("r5"); \
117 register unsigned long __sc_6 __asm__ ("r6"); \
118 register unsigned long __sc_7 __asm__ ("r7"); \
119 \
120 __sc_loadargs_##nr(name, args); \
121 __asm__ __volatile__ \
122 ("sc \n\t" \
123 "mfcr %0 " \
124 : "=&r" (__sc_0), \
125 "=&r" (__sc_3), "=&r" (__sc_4), \
126 "=&r" (__sc_5), "=&r" (__sc_6), \
127 "=&r" (__sc_7) \
128 : __sc_asm_input_##nr \
129 : "cr0", "ctr", "memory", \
130 "r8", "r9", "r10","r11", "r12"); \
131 __sc_ret = __sc_3; \
132 __sc_err = __sc_0; \
133 } \
134 if (__sc_err & 0x10000000) \
135 { \
136 errno = __sc_ret; \
137 __sc_ret = -1; \
138 } \
139 return (type) __sc_ret
140
141 #define __sc_loadargs_0(name, dummy...) \
142 __sc_0 = __NR_##name
143 #define __sc_loadargs_1(name, arg1) \
144 __sc_loadargs_0(name); \
145 __sc_3 = (unsigned long) (arg1)
146 #define __sc_loadargs_2(name, arg1, arg2) \
147 __sc_loadargs_1(name, arg1); \
148 __sc_4 = (unsigned long) (arg2)
149 #define __sc_loadargs_3(name, arg1, arg2, arg3) \
150 __sc_loadargs_2(name, arg1, arg2); \
151 __sc_5 = (unsigned long) (arg3)
152 #define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \
153 __sc_loadargs_3(name, arg1, arg2, arg3); \
154 __sc_6 = (unsigned long) (arg4)
155 #define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \
156 __sc_loadargs_4(name, arg1, arg2, arg3, arg4); \
157 __sc_7 = (unsigned long) (arg5)
158
159 #define __sc_asm_input_0 "0" (__sc_0)
160 #define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3)
161 #define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4)
162 #define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5)
163 #define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6)
164 #define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7)
165
166 #define _syscall0(type,name) \
167 type name(void) \
168 { \
169 __syscall_nr(0, type, name); \
170 }
171
172 #define _syscall1(type,name,type1,arg1) \
173 type name(type1 arg1) \
174 { \
175 __syscall_nr(1, type, name, arg1); \
176 }
177
178 #define _syscall2(type,name,type1,arg1,type2,arg2) \
179 type name(type1 arg1, type2 arg2) \
180 { \
181 __syscall_nr(2, type, name, arg1, arg2); \
182 }
183
184 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
185 type name(type1 arg1, type2 arg2, type3 arg3) \
186 { \
187 __syscall_nr(3, type, name, arg1, arg2, arg3); \
188 }
189
190 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
191 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
192 { \
193 __syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \
194 }
195
196 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
197 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
198 { \
199 __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \
200 }
201 #endif
202
203 #define __NR_sys_uname __NR_uname
204 #define __NR_sys_getcwd1 __NR_getcwd
205 #define __NR_sys_statfs __NR_statfs
206 #define __NR_sys_fstatfs __NR_fstatfs
207 #define __NR_sys_getdents __NR_getdents
208 #define __NR_sys_getdents64 __NR_getdents64
209 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
210
211 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
212 #define __NR__llseek __NR_lseek
213 #endif
214
215 #ifdef __NR_gettid
216 _syscall0(int, gettid)
217 #else
218 static int gettid(void) {
219 return -ENOSYS;
220 }
221 #endif
222 _syscall1(int,sys_uname,struct new_utsname *,buf)
223 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
224 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
225 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
226 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
227 loff_t *, res, uint, wh);
228 _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
229 _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
230 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
231 #ifdef __NR_exit_group
232 _syscall1(int,exit_group,int,error_code)
233 #endif
234
235 extern int personality(int);
236 extern int flock(int, int);
237 extern int setfsuid(int);
238 extern int setfsgid(int);
239 extern int setresuid(uid_t, uid_t, uid_t);
240 extern int getresuid(uid_t *, uid_t *, uid_t *);
241 extern int setresgid(gid_t, gid_t, gid_t);
242 extern int getresgid(gid_t *, gid_t *, gid_t *);
243 extern int setgroups(int, gid_t *);
244
245 static inline long get_errno(long ret)
246 {
247 if (ret == -1)
248 return -errno;
249 else
250 return ret;
251 }
252
253 static inline int is_error(long ret)
254 {
255 return (unsigned long)ret >= (unsigned long)(-4096);
256 }
257
258 static char *target_brk;
259 static char *target_original_brk;
260
261 void target_set_brk(char *new_brk)
262 {
263 target_brk = new_brk;
264 target_original_brk = new_brk;
265 }
266
267 long do_brk(char *new_brk)
268 {
269 char *brk_page;
270 long mapped_addr;
271 int new_alloc_size;
272
273 if (!new_brk)
274 return (long)target_brk;
275 if (new_brk < target_original_brk)
276 return -ENOMEM;
277
278 brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
279
280 /* If the new brk is less than this, set it and we're done... */
281 if (new_brk < brk_page) {
282 target_brk = new_brk;
283 return (long)target_brk;
284 }
285
286 /* We need to allocate more memory after the brk... */
287 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
288 mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size,
289 PROT_READ|PROT_WRITE,
290 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
291 if (is_error(mapped_addr)) {
292 return mapped_addr;
293 } else {
294 target_brk = new_brk;
295 return (long)target_brk;
296 }
297 }
298
299 static inline fd_set *target_to_host_fds(fd_set *fds,
300 target_long *target_fds, int n)
301 {
302 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
303 return (fd_set *)target_fds;
304 #else
305 int i, b;
306 if (target_fds) {
307 FD_ZERO(fds);
308 for(i = 0;i < n; i++) {
309 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
310 (i & (TARGET_LONG_BITS - 1))) & 1;
311 if (b)
312 FD_SET(i, fds);
313 }
314 return fds;
315 } else {
316 return NULL;
317 }
318 #endif
319 }
320
321 static inline void host_to_target_fds(target_long *target_fds,
322 fd_set *fds, int n)
323 {
324 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
325 /* nothing to do */
326 #else
327 int i, nw, j, k;
328 target_long v;
329
330 if (target_fds) {
331 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
332 k = 0;
333 for(i = 0;i < nw; i++) {
334 v = 0;
335 for(j = 0; j < TARGET_LONG_BITS; j++) {
336 v |= ((FD_ISSET(k, fds) != 0) << j);
337 k++;
338 }
339 target_fds[i] = tswapl(v);
340 }
341 }
342 #endif
343 }
344
345 #if defined(__alpha__)
346 #define HOST_HZ 1024
347 #else
348 #define HOST_HZ 100
349 #endif
350
351 static inline long host_to_target_clock_t(long ticks)
352 {
353 #if HOST_HZ == TARGET_HZ
354 return ticks;
355 #else
356 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
357 #endif
358 }
359
360 static inline void host_to_target_rusage(struct target_rusage *target_rusage,
361 const struct rusage *rusage)
362 {
363 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
364 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
365 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
366 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
367 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
368 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
369 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
370 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
371 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
372 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
373 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
374 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
375 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
376 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
377 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
378 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
379 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
380 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
381 }
382
383 static inline void target_to_host_timeval(struct timeval *tv,
384 const struct target_timeval *target_tv)
385 {
386 tv->tv_sec = tswapl(target_tv->tv_sec);
387 tv->tv_usec = tswapl(target_tv->tv_usec);
388 }
389
390 static inline void host_to_target_timeval(struct target_timeval *target_tv,
391 const struct timeval *tv)
392 {
393 target_tv->tv_sec = tswapl(tv->tv_sec);
394 target_tv->tv_usec = tswapl(tv->tv_usec);
395 }
396
397
398 static long do_select(long n,
399 target_long *target_rfds, target_long *target_wfds,
400 target_long *target_efds, struct target_timeval *target_tv)
401 {
402 fd_set rfds, wfds, efds;
403 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
404 struct timeval tv, *tv_ptr;
405 long ret;
406
407 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
408 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
409 efds_ptr = target_to_host_fds(&efds, target_efds, n);
410
411 if (target_tv) {
412 target_to_host_timeval(&tv, target_tv);
413 tv_ptr = &tv;
414 } else {
415 tv_ptr = NULL;
416 }
417 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
418 if (!is_error(ret)) {
419 host_to_target_fds(target_rfds, rfds_ptr, n);
420 host_to_target_fds(target_wfds, wfds_ptr, n);
421 host_to_target_fds(target_efds, efds_ptr, n);
422
423 if (target_tv) {
424 host_to_target_timeval(target_tv, &tv);
425 }
426 }
427 return ret;
428 }
429
430 static inline void target_to_host_sockaddr(struct sockaddr *addr,
431 struct target_sockaddr *target_addr,
432 socklen_t len)
433 {
434 memcpy(addr, target_addr, len);
435 addr->sa_family = tswap16(target_addr->sa_family);
436 }
437
438 static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
439 struct sockaddr *addr,
440 socklen_t len)
441 {
442 memcpy(target_addr, addr, len);
443 target_addr->sa_family = tswap16(addr->sa_family);
444 }
445
446 static inline void target_to_host_cmsg(struct msghdr *msgh,
447 struct target_msghdr *target_msgh)
448 {
449 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
450 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
451 socklen_t space = 0;
452
453 while (cmsg && target_cmsg) {
454 void *data = CMSG_DATA(cmsg);
455 void *target_data = TARGET_CMSG_DATA(target_cmsg);
456
457 int len = tswapl(target_cmsg->cmsg_len)
458 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
459
460 space += CMSG_SPACE(len);
461 if (space > msgh->msg_controllen) {
462 space -= CMSG_SPACE(len);
463 gemu_log("Host cmsg overflow");
464 break;
465 }
466
467 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
468 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
469 cmsg->cmsg_len = CMSG_LEN(len);
470
471 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
472 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
473 memcpy(data, target_data, len);
474 } else {
475 int *fd = (int *)data;
476 int *target_fd = (int *)target_data;
477 int i, numfds = len / sizeof(int);
478
479 for (i = 0; i < numfds; i++)
480 fd[i] = tswap32(target_fd[i]);
481 }
482
483 cmsg = CMSG_NXTHDR(msgh, cmsg);
484 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
485 }
486
487 msgh->msg_controllen = space;
488 }
489
490 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
491 struct msghdr *msgh)
492 {
493 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
494 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
495 socklen_t space = 0;
496
497 while (cmsg && target_cmsg) {
498 void *data = CMSG_DATA(cmsg);
499 void *target_data = TARGET_CMSG_DATA(target_cmsg);
500
501 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
502
503 space += TARGET_CMSG_SPACE(len);
504 if (space > tswapl(target_msgh->msg_controllen)) {
505 space -= TARGET_CMSG_SPACE(len);
506 gemu_log("Target cmsg overflow");
507 break;
508 }
509
510 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
511 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
512 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
513
514 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
515 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
516 memcpy(target_data, data, len);
517 } else {
518 int *fd = (int *)data;
519 int *target_fd = (int *)target_data;
520 int i, numfds = len / sizeof(int);
521
522 for (i = 0; i < numfds; i++)
523 target_fd[i] = tswap32(fd[i]);
524 }
525
526 cmsg = CMSG_NXTHDR(msgh, cmsg);
527 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
528 }
529
530 msgh->msg_controllen = tswapl(space);
531 }
532
533 static long do_setsockopt(int sockfd, int level, int optname,
534 void *optval, socklen_t optlen)
535 {
536 int val, ret;
537
538 switch(level) {
539 case SOL_TCP:
540 /* TCP options all take an 'int' value. */
541 if (optlen < sizeof(uint32_t))
542 return -EINVAL;
543
544 if (get_user(val, (uint32_t *)optval))
545 return -EFAULT;
546 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
547 break;
548 case SOL_IP:
549 switch(optname) {
550 case IP_TOS:
551 case IP_TTL:
552 case IP_HDRINCL:
553 case IP_ROUTER_ALERT:
554 case IP_RECVOPTS:
555 case IP_RETOPTS:
556 case IP_PKTINFO:
557 case IP_MTU_DISCOVER:
558 case IP_RECVERR:
559 case IP_RECVTOS:
560 #ifdef IP_FREEBIND
561 case IP_FREEBIND:
562 #endif
563 case IP_MULTICAST_TTL:
564 case IP_MULTICAST_LOOP:
565 val = 0;
566 if (optlen >= sizeof(uint32_t)) {
567 if (get_user(val, (uint32_t *)optval))
568 return -EFAULT;
569 } else if (optlen >= 1) {
570 if (get_user(val, (uint8_t *)optval))
571 return -EFAULT;
572 }
573 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
574 break;
575 default:
576 goto unimplemented;
577 }
578 break;
579 case SOL_SOCKET:
580 switch (optname) {
581 /* Options with 'int' argument. */
582 case SO_DEBUG:
583 case SO_REUSEADDR:
584 case SO_TYPE:
585 case SO_ERROR:
586 case SO_DONTROUTE:
587 case SO_BROADCAST:
588 case SO_SNDBUF:
589 case SO_RCVBUF:
590 case SO_KEEPALIVE:
591 case SO_OOBINLINE:
592 case SO_NO_CHECK:
593 case SO_PRIORITY:
594 #ifdef SO_BSDCOMPAT
595 case SO_BSDCOMPAT:
596 #endif
597 case SO_PASSCRED:
598 case SO_TIMESTAMP:
599 case SO_RCVLOWAT:
600 case SO_RCVTIMEO:
601 case SO_SNDTIMEO:
602 if (optlen < sizeof(uint32_t))
603 return -EINVAL;
604 if (get_user(val, (uint32_t *)optval))
605 return -EFAULT;
606 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
607 break;
608 default:
609 goto unimplemented;
610 }
611 break;
612 default:
613 unimplemented:
614 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
615 ret = -ENOSYS;
616 }
617 return ret;
618 }
619
620 static long do_getsockopt(int sockfd, int level, int optname,
621 void *optval, socklen_t *optlen)
622 {
623 int len, lv, val, ret;
624
625 switch(level) {
626 case SOL_SOCKET:
627 switch (optname) {
628 case SO_LINGER:
629 case SO_RCVTIMEO:
630 case SO_SNDTIMEO:
631 case SO_PEERCRED:
632 case SO_PEERNAME:
633 /* These don't just return a single integer */
634 goto unimplemented;
635 default:
636 goto int_case;
637 }
638 break;
639 case SOL_TCP:
640 /* TCP options all take an 'int' value. */
641 int_case:
642 if (get_user(len, optlen))
643 return -EFAULT;
644 if (len < 0)
645 return -EINVAL;
646 lv = sizeof(int);
647 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
648 if (ret < 0)
649 return ret;
650 val = tswap32(val);
651 if (len > lv)
652 len = lv;
653 if (copy_to_user(optval, &val, len))
654 return -EFAULT;
655 if (put_user(len, optlen))
656 return -EFAULT;
657 break;
658 case SOL_IP:
659 switch(optname) {
660 case IP_TOS:
661 case IP_TTL:
662 case IP_HDRINCL:
663 case IP_ROUTER_ALERT:
664 case IP_RECVOPTS:
665 case IP_RETOPTS:
666 case IP_PKTINFO:
667 case IP_MTU_DISCOVER:
668 case IP_RECVERR:
669 case IP_RECVTOS:
670 #ifdef IP_FREEBIND
671 case IP_FREEBIND:
672 #endif
673 case IP_MULTICAST_TTL:
674 case IP_MULTICAST_LOOP:
675 if (get_user(len, optlen))
676 return -EFAULT;
677 if (len < 0)
678 return -EINVAL;
679 lv = sizeof(int);
680 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
681 if (ret < 0)
682 return ret;
683 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
684 unsigned char ucval = val;
685 len = 1;
686 if (put_user(len, optlen))
687 return -EFAULT;
688 if (copy_to_user(optval,&ucval,1))
689 return -EFAULT;
690 } else {
691 val = tswap32(val);
692 if (len > sizeof(int))
693 len = sizeof(int);
694 if (put_user(len, optlen))
695 return -EFAULT;
696 if (copy_to_user(optval, &val, len))
697 return -EFAULT;
698 }
699 break;
700 default:
701 goto unimplemented;
702 }
703 break;
704 default:
705 unimplemented:
706 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
707 level, optname);
708 ret = -ENOSYS;
709 break;
710 }
711 return ret;
712 }
713
714 static long do_socketcall(int num, int32_t *vptr)
715 {
716 long ret;
717
718 switch(num) {
719 case SOCKOP_socket:
720 {
721 int domain = tswap32(vptr[0]);
722 int type = tswap32(vptr[1]);
723 int protocol = tswap32(vptr[2]);
724
725 ret = get_errno(socket(domain, type, protocol));
726 }
727 break;
728 case SOCKOP_bind:
729 {
730 int sockfd = tswap32(vptr[0]);
731 void *target_addr = (void *)tswap32(vptr[1]);
732 socklen_t addrlen = tswap32(vptr[2]);
733 void *addr = alloca(addrlen);
734
735 target_to_host_sockaddr(addr, target_addr, addrlen);
736 ret = get_errno(bind(sockfd, addr, addrlen));
737 }
738 break;
739 case SOCKOP_connect:
740 {
741 int sockfd = tswap32(vptr[0]);
742 void *target_addr = (void *)tswap32(vptr[1]);
743 socklen_t addrlen = tswap32(vptr[2]);
744 void *addr = alloca(addrlen);
745
746 target_to_host_sockaddr(addr, target_addr, addrlen);
747 ret = get_errno(connect(sockfd, addr, addrlen));
748 }
749 break;
750 case SOCKOP_listen:
751 {
752 int sockfd = tswap32(vptr[0]);
753 int backlog = tswap32(vptr[1]);
754
755 ret = get_errno(listen(sockfd, backlog));
756 }
757 break;
758 case SOCKOP_accept:
759 {
760 int sockfd = tswap32(vptr[0]);
761 void *target_addr = (void *)tswap32(vptr[1]);
762 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
763 socklen_t addrlen = tswap32(*target_addrlen);
764 void *addr = alloca(addrlen);
765
766 ret = get_errno(accept(sockfd, addr, &addrlen));
767 if (!is_error(ret)) {
768 host_to_target_sockaddr(target_addr, addr, addrlen);
769 *target_addrlen = tswap32(addrlen);
770 }
771 }
772 break;
773 case SOCKOP_getsockname:
774 {
775 int sockfd = tswap32(vptr[0]);
776 void *target_addr = (void *)tswap32(vptr[1]);
777 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
778 socklen_t addrlen = tswap32(*target_addrlen);
779 void *addr = alloca(addrlen);
780
781 ret = get_errno(getsockname(sockfd, addr, &addrlen));
782 if (!is_error(ret)) {
783 host_to_target_sockaddr(target_addr, addr, addrlen);
784 *target_addrlen = tswap32(addrlen);
785 }
786 }
787 break;
788 case SOCKOP_getpeername:
789 {
790 int sockfd = tswap32(vptr[0]);
791 void *target_addr = (void *)tswap32(vptr[1]);
792 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
793 socklen_t addrlen = tswap32(*target_addrlen);
794 void *addr = alloca(addrlen);
795
796 ret = get_errno(getpeername(sockfd, addr, &addrlen));
797 if (!is_error(ret)) {
798 host_to_target_sockaddr(target_addr, addr, addrlen);
799 *target_addrlen = tswap32(addrlen);
800 }
801 }
802 break;
803 case SOCKOP_socketpair:
804 {
805 int domain = tswap32(vptr[0]);
806 int type = tswap32(vptr[1]);
807 int protocol = tswap32(vptr[2]);
808 int32_t *target_tab = (void *)tswap32(vptr[3]);
809 int tab[2];
810
811 ret = get_errno(socketpair(domain, type, protocol, tab));
812 if (!is_error(ret)) {
813 target_tab[0] = tswap32(tab[0]);
814 target_tab[1] = tswap32(tab[1]);
815 }
816 }
817 break;
818 case SOCKOP_send:
819 {
820 int sockfd = tswap32(vptr[0]);
821 void *msg = (void *)tswap32(vptr[1]);
822 size_t len = tswap32(vptr[2]);
823 int flags = tswap32(vptr[3]);
824
825 ret = get_errno(send(sockfd, msg, len, flags));
826 }
827 break;
828 case SOCKOP_recv:
829 {
830 int sockfd = tswap32(vptr[0]);
831 void *msg = (void *)tswap32(vptr[1]);
832 size_t len = tswap32(vptr[2]);
833 int flags = tswap32(vptr[3]);
834
835 ret = get_errno(recv(sockfd, msg, len, flags));
836 }
837 break;
838 case SOCKOP_sendto:
839 {
840 int sockfd = tswap32(vptr[0]);
841 void *msg = (void *)tswap32(vptr[1]);
842 size_t len = tswap32(vptr[2]);
843 int flags = tswap32(vptr[3]);
844 void *target_addr = (void *)tswap32(vptr[4]);
845 socklen_t addrlen = tswap32(vptr[5]);
846 void *addr = alloca(addrlen);
847
848 target_to_host_sockaddr(addr, target_addr, addrlen);
849 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
850 }
851 break;
852 case SOCKOP_recvfrom:
853 {
854 int sockfd = tswap32(vptr[0]);
855 void *msg = (void *)tswap32(vptr[1]);
856 size_t len = tswap32(vptr[2]);
857 int flags = tswap32(vptr[3]);
858 void *target_addr = (void *)tswap32(vptr[4]);
859 uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
860 socklen_t addrlen = tswap32(*target_addrlen);
861 void *addr = alloca(addrlen);
862
863 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
864 if (!is_error(ret)) {
865 host_to_target_sockaddr(target_addr, addr, addrlen);
866 *target_addrlen = tswap32(addrlen);
867 }
868 }
869 break;
870 case SOCKOP_shutdown:
871 {
872 int sockfd = tswap32(vptr[0]);
873 int how = tswap32(vptr[1]);
874
875 ret = get_errno(shutdown(sockfd, how));
876 }
877 break;
878 case SOCKOP_sendmsg:
879 case SOCKOP_recvmsg:
880 {
881 int fd;
882 struct target_msghdr *msgp;
883 struct msghdr msg;
884 int flags, count, i;
885 struct iovec *vec;
886 struct target_iovec *target_vec;
887
888 msgp = (void *)tswap32(vptr[1]);
889 msg.msg_name = (void *)tswapl(msgp->msg_name);
890 msg.msg_namelen = tswapl(msgp->msg_namelen);
891 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
892 msg.msg_control = alloca(msg.msg_controllen);
893 msg.msg_flags = tswap32(msgp->msg_flags);
894
895 count = tswapl(msgp->msg_iovlen);
896 vec = alloca(count * sizeof(struct iovec));
897 target_vec = (void *)tswapl(msgp->msg_iov);
898 for(i = 0;i < count; i++) {
899 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
900 vec[i].iov_len = tswapl(target_vec[i].iov_len);
901 }
902 msg.msg_iovlen = count;
903 msg.msg_iov = vec;
904
905 fd = tswap32(vptr[0]);
906 flags = tswap32(vptr[2]);
907 if (num == SOCKOP_sendmsg) {
908 target_to_host_cmsg(&msg, msgp);
909 ret = get_errno(sendmsg(fd, &msg, flags));
910 } else {
911 ret = get_errno(recvmsg(fd, &msg, flags));
912 if (!is_error(ret))
913 host_to_target_cmsg(msgp, &msg);
914 }
915 }
916 break;
917 case SOCKOP_setsockopt:
918 {
919 int sockfd = tswap32(vptr[0]);
920 int level = tswap32(vptr[1]);
921 int optname = tswap32(vptr[2]);
922 void *optval = (void *)tswap32(vptr[3]);
923 socklen_t optlen = tswap32(vptr[4]);
924
925 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
926 }
927 break;
928 case SOCKOP_getsockopt:
929 {
930 int sockfd = tswap32(vptr[0]);
931 int level = tswap32(vptr[1]);
932 int optname = tswap32(vptr[2]);
933 void *optval = (void *)tswap32(vptr[3]);
934 uint32_t *poptlen = (void *)tswap32(vptr[4]);
935
936 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
937 }
938 break;
939 default:
940 gemu_log("Unsupported socketcall: %d\n", num);
941 ret = -ENOSYS;
942 break;
943 }
944 return ret;
945 }
946
947
948 #define N_SHM_REGIONS 32
949
950 static struct shm_region {
951 uint32_t start;
952 uint32_t size;
953 } shm_regions[N_SHM_REGIONS];
954
955 static long do_ipc(long call, long first, long second, long third,
956 long ptr, long fifth)
957 {
958 int version;
959 long ret = 0;
960 unsigned long raddr;
961 struct shmid_ds shm_info;
962 int i;
963
964 version = call >> 16;
965 call &= 0xffff;
966
967 switch (call) {
968 case IPCOP_shmat:
969 /* SHM_* flags are the same on all linux platforms */
970 ret = get_errno((long) shmat(first, (void *) ptr, second));
971 if (is_error(ret))
972 break;
973 raddr = ret;
974 /* find out the length of the shared memory segment */
975
976 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
977 if (is_error(ret)) {
978 /* can't get length, bail out */
979 shmdt((void *) raddr);
980 break;
981 }
982 page_set_flags(raddr, raddr + shm_info.shm_segsz,
983 PAGE_VALID | PAGE_READ |
984 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
985 for (i = 0; i < N_SHM_REGIONS; ++i) {
986 if (shm_regions[i].start == 0) {
987 shm_regions[i].start = raddr;
988 shm_regions[i].size = shm_info.shm_segsz;
989 break;
990 }
991 }
992 if (put_user(raddr, (uint32_t *)third))
993 return -EFAULT;
994 ret = 0;
995 break;
996 case IPCOP_shmdt:
997 for (i = 0; i < N_SHM_REGIONS; ++i) {
998 if (shm_regions[i].start == ptr) {
999 shm_regions[i].start = 0;
1000 page_set_flags(ptr, shm_regions[i].size, 0);
1001 break;
1002 }
1003 }
1004 ret = get_errno(shmdt((void *) ptr));
1005 break;
1006
1007 case IPCOP_shmget:
1008 /* IPC_* flag values are the same on all linux platforms */
1009 ret = get_errno(shmget(first, second, third));
1010 break;
1011
1012 /* IPC_* and SHM_* command values are the same on all linux platforms */
1013 case IPCOP_shmctl:
1014 switch(second) {
1015 case IPC_RMID:
1016 case SHM_LOCK:
1017 case SHM_UNLOCK:
1018 ret = get_errno(shmctl(first, second, NULL));
1019 break;
1020 default:
1021 goto unimplemented;
1022 }
1023 break;
1024 default:
1025 unimplemented:
1026 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1027 ret = -ENOSYS;
1028 break;
1029 }
1030 return ret;
1031 }
1032
1033 /* kernel structure types definitions */
1034 #define IFNAMSIZ 16
1035
1036 #define STRUCT(name, list...) STRUCT_ ## name,
1037 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
1038 enum {
1039 #include "syscall_types.h"
1040 };
1041 #undef STRUCT
1042 #undef STRUCT_SPECIAL
1043
1044 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1045 #define STRUCT_SPECIAL(name)
1046 #include "syscall_types.h"
1047 #undef STRUCT
1048 #undef STRUCT_SPECIAL
1049
1050 typedef struct IOCTLEntry {
1051 unsigned int target_cmd;
1052 unsigned int host_cmd;
1053 const char *name;
1054 int access;
1055 const argtype arg_type[5];
1056 } IOCTLEntry;
1057
1058 #define IOC_R 0x0001
1059 #define IOC_W 0x0002
1060 #define IOC_RW (IOC_R | IOC_W)
1061
1062 #define MAX_STRUCT_SIZE 4096
1063
1064 IOCTLEntry ioctl_entries[] = {
1065 #define IOCTL(cmd, access, types...) \
1066 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1067 #include "ioctls.h"
1068 { 0, 0, },
1069 };
1070
1071 static long do_ioctl(long fd, long cmd, long arg)
1072 {
1073 const IOCTLEntry *ie;
1074 const argtype *arg_type;
1075 long ret;
1076 uint8_t buf_temp[MAX_STRUCT_SIZE];
1077
1078 ie = ioctl_entries;
1079 for(;;) {
1080 if (ie->target_cmd == 0) {
1081 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1082 return -ENOSYS;
1083 }
1084 if (ie->target_cmd == cmd)
1085 break;
1086 ie++;
1087 }
1088 arg_type = ie->arg_type;
1089 #if defined(DEBUG)
1090 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1091 #endif
1092 switch(arg_type[0]) {
1093 case TYPE_NULL:
1094 /* no argument */
1095 ret = get_errno(ioctl(fd, ie->host_cmd));
1096 break;
1097 case TYPE_PTRVOID:
1098 case TYPE_INT:
1099 /* int argment */
1100 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1101 break;
1102 case TYPE_PTR:
1103 arg_type++;
1104 switch(ie->access) {
1105 case IOC_R:
1106 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1107 if (!is_error(ret)) {
1108 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
1109 }
1110 break;
1111 case IOC_W:
1112 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
1113 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1114 break;
1115 default:
1116 case IOC_RW:
1117 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
1118 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1119 if (!is_error(ret)) {
1120 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
1121 }
1122 break;
1123 }
1124 break;
1125 default:
1126 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1127 ret = -ENOSYS;
1128 break;
1129 }
1130 return ret;
1131 }
1132
1133 bitmask_transtbl iflag_tbl[] = {
1134 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1135 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1136 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1137 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1138 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1139 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1140 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1141 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1142 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1143 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1144 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1145 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1146 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1147 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1148 { 0, 0, 0, 0 }
1149 };
1150
1151 bitmask_transtbl oflag_tbl[] = {
1152 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1153 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1154 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1155 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1156 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1157 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1158 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1159 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1160 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1161 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1162 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1163 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1164 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1165 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1166 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1167 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1168 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1169 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1170 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1171 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1172 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1173 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1174 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1175 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1176 { 0, 0, 0, 0 }
1177 };
1178
1179 bitmask_transtbl cflag_tbl[] = {
1180 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1181 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1182 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1183 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1184 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1185 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1186 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1187 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1188 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1189 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1190 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1191 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1192 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1193 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1194 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1195 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1196 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1197 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1198 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1199 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1200 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1201 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1202 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1203 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1204 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1205 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1206 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1207 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1208 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1209 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1210 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1211 { 0, 0, 0, 0 }
1212 };
1213
1214 bitmask_transtbl lflag_tbl[] = {
1215 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1216 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1217 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1218 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1219 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1220 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1221 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1222 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1223 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1224 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1225 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1226 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1227 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1228 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1229 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1230 { 0, 0, 0, 0 }
1231 };
1232
1233 static void target_to_host_termios (void *dst, const void *src)
1234 {
1235 struct host_termios *host = dst;
1236 const struct target_termios *target = src;
1237
1238 host->c_iflag =
1239 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1240 host->c_oflag =
1241 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1242 host->c_cflag =
1243 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1244 host->c_lflag =
1245 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1246 host->c_line = target->c_line;
1247
1248 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1249 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1250 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1251 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1252 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1253 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1254 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1255 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1256 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1257 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1258 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1259 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1260 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1261 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1262 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1263 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1264 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1265 }
1266
1267 static void host_to_target_termios (void *dst, const void *src)
1268 {
1269 struct target_termios *target = dst;
1270 const struct host_termios *host = src;
1271
1272 target->c_iflag =
1273 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1274 target->c_oflag =
1275 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1276 target->c_cflag =
1277 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1278 target->c_lflag =
1279 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1280 target->c_line = host->c_line;
1281
1282 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1283 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1284 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1285 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1286 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1287 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1288 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1289 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1290 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1291 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1292 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1293 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1294 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1295 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1296 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1297 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1298 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1299 }
1300
1301 StructEntry struct_termios_def = {
1302 .convert = { host_to_target_termios, target_to_host_termios },
1303 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1304 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1305 };
1306
1307 static bitmask_transtbl mmap_flags_tbl[] = {
1308 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1309 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1310 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1311 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1312 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1313 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1314 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1315 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1316 { 0, 0, 0, 0 }
1317 };
1318
1319 static bitmask_transtbl fcntl_flags_tbl[] = {
1320 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1321 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1322 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1323 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1324 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1325 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1326 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1327 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1328 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1329 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1330 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1331 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1332 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
1333 #if defined(O_DIRECT)
1334 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
1335 #endif
1336 { 0, 0, 0, 0 }
1337 };
1338
1339 #if defined(TARGET_I386)
1340
1341 /* NOTE: there is really one LDT for all the threads */
1342 uint8_t *ldt_table;
1343
1344 static int read_ldt(void *ptr, unsigned long bytecount)
1345 {
1346 int size;
1347
1348 if (!ldt_table)
1349 return 0;
1350 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1351 if (size > bytecount)
1352 size = bytecount;
1353 memcpy(ptr, ldt_table, size);
1354 return size;
1355 }
1356
1357 /* XXX: add locking support */
1358 static int write_ldt(CPUX86State *env,
1359 void *ptr, unsigned long bytecount, int oldmode)
1360 {
1361 struct target_modify_ldt_ldt_s ldt_info;
1362 int seg_32bit, contents, read_exec_only, limit_in_pages;
1363 int seg_not_present, useable;
1364 uint32_t *lp, entry_1, entry_2;
1365
1366 if (bytecount != sizeof(ldt_info))
1367 return -EINVAL;
1368 memcpy(&ldt_info, ptr, sizeof(ldt_info));
1369 tswap32s(&ldt_info.entry_number);
1370 tswapls((long *)&ldt_info.base_addr);
1371 tswap32s(&ldt_info.limit);
1372 tswap32s(&ldt_info.flags);
1373
1374 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1375 return -EINVAL;
1376 seg_32bit = ldt_info.flags & 1;
1377 contents = (ldt_info.flags >> 1) & 3;
1378 read_exec_only = (ldt_info.flags >> 3) & 1;
1379 limit_in_pages = (ldt_info.flags >> 4) & 1;
1380 seg_not_present = (ldt_info.flags >> 5) & 1;
1381 useable = (ldt_info.flags >> 6) & 1;
1382
1383 if (contents == 3) {
1384 if (oldmode)
1385 return -EINVAL;
1386 if (seg_not_present == 0)
1387 return -EINVAL;
1388 }
1389 /* allocate the LDT */
1390 if (!ldt_table) {
1391 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1392 if (!ldt_table)
1393 return -ENOMEM;
1394 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1395 env->ldt.base = (long)ldt_table;
1396 env->ldt.limit = 0xffff;
1397 }
1398
1399 /* NOTE: same code as Linux kernel */
1400 /* Allow LDTs to be cleared by the user. */
1401 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1402 if (oldmode ||
1403 (contents == 0 &&
1404 read_exec_only == 1 &&
1405 seg_32bit == 0 &&
1406 limit_in_pages == 0 &&
1407 seg_not_present == 1 &&
1408 useable == 0 )) {
1409 entry_1 = 0;
1410 entry_2 = 0;
1411 goto install;
1412 }
1413 }
1414
1415 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1416 (ldt_info.limit & 0x0ffff);
1417 entry_2 = (ldt_info.base_addr & 0xff000000) |
1418 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1419 (ldt_info.limit & 0xf0000) |
1420 ((read_exec_only ^ 1) << 9) |
1421 (contents << 10) |
1422 ((seg_not_present ^ 1) << 15) |
1423 (seg_32bit << 22) |
1424 (limit_in_pages << 23) |
1425 0x7000;
1426 if (!oldmode)
1427 entry_2 |= (useable << 20);
1428
1429 /* Install the new entry ... */
1430 install:
1431 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1432 lp[0] = tswap32(entry_1);
1433 lp[1] = tswap32(entry_2);
1434 return 0;
1435 }
1436
1437 /* specific and weird i386 syscalls */
1438 int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
1439 {
1440 int ret = -ENOSYS;
1441
1442 switch (func) {
1443 case 0:
1444 ret = read_ldt(ptr, bytecount);
1445 break;
1446 case 1:
1447 ret = write_ldt(env, ptr, bytecount, 1);
1448 break;
1449 case 0x11:
1450 ret = write_ldt(env, ptr, bytecount, 0);
1451 break;
1452 }
1453 return ret;
1454 }
1455
1456 #endif /* defined(TARGET_I386) */
1457
1458 /* this stack is the equivalent of the kernel stack associated with a
1459 thread/process */
1460 #define NEW_STACK_SIZE 8192
1461
1462 static int clone_func(void *arg)
1463 {
1464 CPUState *env = arg;
1465 cpu_loop(env);
1466 /* never exits */
1467 return 0;
1468 }
1469
1470 int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1471 {
1472 int ret;
1473 TaskState *ts;
1474 uint8_t *new_stack;
1475 CPUState *new_env;
1476
1477 if (flags & CLONE_VM) {
1478 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1479 memset(ts, 0, sizeof(TaskState));
1480 new_stack = ts->stack;
1481 ts->used = 1;
1482 /* add in task state list */
1483 ts->next = first_task_state;
1484 first_task_state = ts;
1485 /* we create a new CPU instance. */
1486 new_env = cpu_init();
1487 memcpy(new_env, env, sizeof(CPUState));
1488 #if defined(TARGET_I386)
1489 if (!newsp)
1490 newsp = env->regs[R_ESP];
1491 new_env->regs[R_ESP] = newsp;
1492 new_env->regs[R_EAX] = 0;
1493 #elif defined(TARGET_ARM)
1494 if (!newsp)
1495 newsp = env->regs[13];
1496 new_env->regs[13] = newsp;
1497 new_env->regs[0] = 0;
1498 #elif defined(TARGET_SPARC)
1499 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1500 #elif defined(TARGET_MIPS)
1501 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1502 #elif defined(TARGET_PPC)
1503 if (!newsp)
1504 newsp = env->gpr[1];
1505 new_env->gpr[1] = newsp;
1506 {
1507 int i;
1508 for (i = 7; i < 32; i++)
1509 new_env->gpr[i] = 0;
1510 }
1511 #else
1512 #error unsupported target CPU
1513 #endif
1514 new_env->opaque = ts;
1515 #ifdef __ia64__
1516 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1517 #else
1518 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1519 #endif
1520 } else {
1521 /* if no CLONE_VM, we consider it is a fork */
1522 if ((flags & ~CSIGNAL) != 0)
1523 return -EINVAL;
1524 ret = fork();
1525 }
1526 return ret;
1527 }
1528
1529 static long do_fcntl(int fd, int cmd, unsigned long arg)
1530 {
1531 struct flock fl;
1532 struct target_flock *target_fl = (void *)arg;
1533 long ret;
1534
1535 switch(cmd) {
1536 case TARGET_F_GETLK:
1537 ret = fcntl(fd, cmd, &fl);
1538 if (ret == 0) {
1539 target_fl->l_type = tswap16(fl.l_type);
1540 target_fl->l_whence = tswap16(fl.l_whence);
1541 target_fl->l_start = tswapl(fl.l_start);
1542 target_fl->l_len = tswapl(fl.l_len);
1543 target_fl->l_pid = tswapl(fl.l_pid);
1544 }
1545 break;
1546
1547 case TARGET_F_SETLK:
1548 case TARGET_F_SETLKW:
1549 fl.l_type = tswap16(target_fl->l_type);
1550 fl.l_whence = tswap16(target_fl->l_whence);
1551 fl.l_start = tswapl(target_fl->l_start);
1552 fl.l_len = tswapl(target_fl->l_len);
1553 fl.l_pid = tswapl(target_fl->l_pid);
1554 ret = fcntl(fd, cmd, &fl);
1555 break;
1556
1557 case TARGET_F_GETLK64:
1558 case TARGET_F_SETLK64:
1559 case TARGET_F_SETLKW64:
1560 ret = -1;
1561 errno = EINVAL;
1562 break;
1563
1564 case F_GETFL:
1565 ret = fcntl(fd, cmd, arg);
1566 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1567 break;
1568
1569 case F_SETFL:
1570 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1571 break;
1572
1573 default:
1574 ret = fcntl(fd, cmd, arg);
1575 break;
1576 }
1577 return ret;
1578 }
1579
1580 #ifdef USE_UID16
1581
1582 static inline int high2lowuid(int uid)
1583 {
1584 if (uid > 65535)
1585 return 65534;
1586 else
1587 return uid;
1588 }
1589
1590 static inline int high2lowgid(int gid)
1591 {
1592 if (gid > 65535)
1593 return 65534;
1594 else
1595 return gid;
1596 }
1597
1598 static inline int low2highuid(int uid)
1599 {
1600 if ((int16_t)uid == -1)
1601 return -1;
1602 else
1603 return uid;
1604 }
1605
1606 static inline int low2highgid(int gid)
1607 {
1608 if ((int16_t)gid == -1)
1609 return -1;
1610 else
1611 return gid;
1612 }
1613
1614 #endif /* USE_UID16 */
1615
1616 void syscall_init(void)
1617 {
1618 IOCTLEntry *ie;
1619 const argtype *arg_type;
1620 int size;
1621
1622 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1623 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1624 #include "syscall_types.h"
1625 #undef STRUCT
1626 #undef STRUCT_SPECIAL
1627
1628 /* we patch the ioctl size if necessary. We rely on the fact that
1629 no ioctl has all the bits at '1' in the size field */
1630 ie = ioctl_entries;
1631 while (ie->target_cmd != 0) {
1632 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1633 TARGET_IOC_SIZEMASK) {
1634 arg_type = ie->arg_type;
1635 if (arg_type[0] != TYPE_PTR) {
1636 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1637 ie->target_cmd);
1638 exit(1);
1639 }
1640 arg_type++;
1641 size = thunk_type_size(arg_type, 0);
1642 ie->target_cmd = (ie->target_cmd &
1643 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1644 (size << TARGET_IOC_SIZESHIFT);
1645 }
1646 /* automatic consistency check if same arch */
1647 #if defined(__i386__) && defined(TARGET_I386)
1648 if (ie->target_cmd != ie->host_cmd) {
1649 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1650 ie->target_cmd, ie->host_cmd);
1651 }
1652 #endif
1653 ie++;
1654 }
1655 }
1656
1657 long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1658 long arg4, long arg5, long arg6)
1659 {
1660 long ret;
1661 struct stat st;
1662 struct kernel_statfs *stfs;
1663
1664 #ifdef DEBUG
1665 gemu_log("syscall %d", num);
1666 #endif
1667 switch(num) {
1668 case TARGET_NR_exit:
1669 #ifdef HAVE_GPROF
1670 _mcleanup();
1671 #endif
1672 gdb_exit(cpu_env, arg1);
1673 /* XXX: should free thread stack and CPU env */
1674 _exit(arg1);
1675 ret = 0; /* avoid warning */
1676 break;
1677 case TARGET_NR_read:
1678 page_unprotect_range((void *)arg2, arg3);
1679 ret = get_errno(read(arg1, (void *)arg2, arg3));
1680 break;
1681 case TARGET_NR_write:
1682 ret = get_errno(write(arg1, (void *)arg2, arg3));
1683 break;
1684 case TARGET_NR_open:
1685 ret = get_errno(open(path((const char *)arg1),
1686 target_to_host_bitmask(arg2, fcntl_flags_tbl),
1687 arg3));
1688 break;
1689 case TARGET_NR_close:
1690 ret = get_errno(close(arg1));
1691 break;
1692 case TARGET_NR_brk:
1693 ret = do_brk((char *)arg1);
1694 break;
1695 case TARGET_NR_fork:
1696 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1697 break;
1698 case TARGET_NR_waitpid:
1699 {
1700 int *status = (int *)arg2;
1701 ret = get_errno(waitpid(arg1, status, arg3));
1702 if (!is_error(ret) && status)
1703 tswapls((long *)&status);
1704 }
1705 break;
1706 case TARGET_NR_creat:
1707 ret = get_errno(creat((const char *)arg1, arg2));
1708 break;
1709 case TARGET_NR_link:
1710 ret = get_errno(link((const char *)arg1, (const char *)arg2));
1711 break;
1712 case TARGET_NR_unlink:
1713 ret = get_errno(unlink((const char *)arg1));
1714 break;
1715 case TARGET_NR_execve:
1716 {
1717 char **argp, **envp;
1718 int argc, envc;
1719 uint32_t *p;
1720 char **q;
1721
1722 argc = 0;
1723 for (p = (void *)arg2; *p; p++)
1724 argc++;
1725 envc = 0;
1726 for (p = (void *)arg3; *p; p++)
1727 envc++;
1728
1729 argp = alloca((argc + 1) * sizeof(void *));
1730 envp = alloca((envc + 1) * sizeof(void *));
1731
1732 for (p = (void *)arg2, q = argp; *p; p++, q++)
1733 *q = (void *)tswap32(*p);
1734 *q = NULL;
1735
1736 for (p = (void *)arg3, q = envp; *p; p++, q++)
1737 *q = (void *)tswap32(*p);
1738 *q = NULL;
1739
1740 ret = get_errno(execve((const char *)arg1, argp, envp));
1741 }
1742 break;
1743 case TARGET_NR_chdir:
1744 ret = get_errno(chdir((const char *)arg1));
1745 break;
1746 #ifdef TARGET_NR_time
1747 case TARGET_NR_time:
1748 {
1749 int *time_ptr = (int *)arg1;
1750 ret = get_errno(time((time_t *)time_ptr));
1751 if (!is_error(ret) && time_ptr)
1752 tswap32s(time_ptr);
1753 }
1754 break;
1755 #endif
1756 case TARGET_NR_mknod:
1757 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1758 break;
1759 case TARGET_NR_chmod:
1760 ret = get_errno(chmod((const char *)arg1, arg2));
1761 break;
1762 #ifdef TARGET_NR_break
1763 case TARGET_NR_break:
1764 goto unimplemented;
1765 #endif
1766 #ifdef TARGET_NR_oldstat
1767 case TARGET_NR_oldstat:
1768 goto unimplemented;
1769 #endif
1770 case TARGET_NR_lseek:
1771 ret = get_errno(lseek(arg1, arg2, arg3));
1772 break;
1773 case TARGET_NR_getpid:
1774 ret = get_errno(getpid());
1775 break;
1776 case TARGET_NR_mount:
1777 /* need to look at the data field */
1778 goto unimplemented;
1779 case TARGET_NR_umount:
1780 ret = get_errno(umount((const char *)arg1));
1781 break;
1782 case TARGET_NR_stime:
1783 {
1784 int *time_ptr = (int *)arg1;
1785 if (time_ptr)
1786 tswap32s(time_ptr);
1787 ret = get_errno(stime((time_t *)time_ptr));
1788 }
1789 break;
1790 case TARGET_NR_ptrace:
1791 goto unimplemented;
1792 case TARGET_NR_alarm:
1793 ret = alarm(arg1);
1794 break;
1795 #ifdef TARGET_NR_oldfstat
1796 case TARGET_NR_oldfstat:
1797 goto unimplemented;
1798 #endif
1799 case TARGET_NR_pause:
1800 ret = get_errno(pause());
1801 break;
1802 case TARGET_NR_utime:
1803 {
1804 struct utimbuf tbuf, *tbuf1;
1805 struct target_utimbuf *target_tbuf = (void *)arg2;
1806 if (target_tbuf) {
1807 get_user(tbuf.actime, &target_tbuf->actime);
1808 get_user(tbuf.modtime, &target_tbuf->modtime);
1809 tbuf1 = &tbuf;
1810 } else {
1811 tbuf1 = NULL;
1812 }
1813 ret = get_errno(utime((const char *)arg1, tbuf1));
1814 }
1815 break;
1816 case TARGET_NR_utimes:
1817 {
1818 struct target_timeval *target_tvp = (struct target_timeval *)arg2;
1819 struct timeval *tvp, tv[2];
1820 if (target_tvp) {
1821 target_to_host_timeval(&tv[0], &target_tvp[0]);
1822 target_to_host_timeval(&tv[1], &target_tvp[1]);
1823 tvp = tv;
1824 } else {
1825 tvp = NULL;
1826 }
1827 ret = get_errno(utimes((const char *)arg1, tvp));
1828 }
1829 break;
1830 #ifdef TARGET_NR_stty
1831 case TARGET_NR_stty:
1832 goto unimplemented;
1833 #endif
1834 #ifdef TARGET_NR_gtty
1835 case TARGET_NR_gtty:
1836 goto unimplemented;
1837 #endif
1838 case TARGET_NR_access:
1839 ret = get_errno(access((const char *)arg1, arg2));
1840 break;
1841 case TARGET_NR_nice:
1842 ret = get_errno(nice(arg1));
1843 break;
1844 #ifdef TARGET_NR_ftime
1845 case TARGET_NR_ftime:
1846 goto unimplemented;
1847 #endif
1848 case TARGET_NR_sync:
1849 sync();
1850 ret = 0;
1851 break;
1852 case TARGET_NR_kill:
1853 ret = get_errno(kill(arg1, arg2));
1854 break;
1855 case TARGET_NR_rename:
1856 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1857 break;
1858 case TARGET_NR_mkdir:
1859 ret = get_errno(mkdir((const char *)arg1, arg2));
1860 break;
1861 case TARGET_NR_rmdir:
1862 ret = get_errno(rmdir((const char *)arg1));
1863 break;
1864 case TARGET_NR_dup:
1865 ret = get_errno(dup(arg1));
1866 break;
1867 case TARGET_NR_pipe:
1868 {
1869 int *pipe_ptr = (int *)arg1;
1870 ret = get_errno(pipe(pipe_ptr));
1871 if (!is_error(ret)) {
1872 tswap32s(&pipe_ptr[0]);
1873 tswap32s(&pipe_ptr[1]);
1874 }
1875 }
1876 break;
1877 case TARGET_NR_times:
1878 {
1879 struct target_tms *tmsp = (void *)arg1;
1880 struct tms tms;
1881 ret = get_errno(times(&tms));
1882 if (tmsp) {
1883 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
1884 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
1885 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
1886 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
1887 }
1888 if (!is_error(ret))
1889 ret = host_to_target_clock_t(ret);
1890 }
1891 break;
1892 #ifdef TARGET_NR_prof
1893 case TARGET_NR_prof:
1894 goto unimplemented;
1895 #endif
1896 case TARGET_NR_signal:
1897 goto unimplemented;
1898
1899 case TARGET_NR_acct:
1900 goto unimplemented;
1901 case TARGET_NR_umount2:
1902 ret = get_errno(umount2((const char *)arg1, arg2));
1903 break;
1904 #ifdef TARGET_NR_lock
1905 case TARGET_NR_lock:
1906 goto unimplemented;
1907 #endif
1908 case TARGET_NR_ioctl:
1909 ret = do_ioctl(arg1, arg2, arg3);
1910 break;
1911 case TARGET_NR_fcntl:
1912 ret = get_errno(do_fcntl(arg1, arg2, arg3));
1913 break;
1914 #ifdef TARGET_NR_mpx
1915 case TARGET_NR_mpx:
1916 goto unimplemented;
1917 #endif
1918 case TARGET_NR_setpgid:
1919 ret = get_errno(setpgid(arg1, arg2));
1920 break;
1921 #ifdef TARGET_NR_ulimit
1922 case TARGET_NR_ulimit:
1923 goto unimplemented;
1924 #endif
1925 #ifdef TARGET_NR_oldolduname
1926 case TARGET_NR_oldolduname:
1927 goto unimplemented;
1928 #endif
1929 case TARGET_NR_umask:
1930 ret = get_errno(umask(arg1));
1931 break;
1932 case TARGET_NR_chroot:
1933 ret = get_errno(chroot((const char *)arg1));
1934 break;
1935 case TARGET_NR_ustat:
1936 goto unimplemented;
1937 case TARGET_NR_dup2:
1938 ret = get_errno(dup2(arg1, arg2));
1939 break;
1940 case TARGET_NR_getppid:
1941 ret = get_errno(getppid());
1942 break;
1943 case TARGET_NR_getpgrp:
1944 ret = get_errno(getpgrp());
1945 break;
1946 case TARGET_NR_setsid:
1947 ret = get_errno(setsid());
1948 break;
1949 case TARGET_NR_sigaction:
1950 {
1951 struct target_old_sigaction *old_act = (void *)arg2;
1952 struct target_old_sigaction *old_oact = (void *)arg3;
1953 struct target_sigaction act, oact, *pact;
1954 if (old_act) {
1955 act._sa_handler = old_act->_sa_handler;
1956 target_siginitset(&act.sa_mask, old_act->sa_mask);
1957 act.sa_flags = old_act->sa_flags;
1958 act.sa_restorer = old_act->sa_restorer;
1959 pact = &act;
1960 } else {
1961 pact = NULL;
1962 }
1963 ret = get_errno(do_sigaction(arg1, pact, &oact));
1964 if (!is_error(ret) && old_oact) {
1965 old_oact->_sa_handler = oact._sa_handler;
1966 old_oact->sa_mask = oact.sa_mask.sig[0];
1967 old_oact->sa_flags = oact.sa_flags;
1968 old_oact->sa_restorer = oact.sa_restorer;
1969 }
1970 }
1971 break;
1972 case TARGET_NR_rt_sigaction:
1973 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1974 break;
1975 case TARGET_NR_sgetmask:
1976 {
1977 sigset_t cur_set;
1978 target_ulong target_set;
1979 sigprocmask(0, NULL, &cur_set);
1980 host_to_target_old_sigset(&target_set, &cur_set);
1981 ret = target_set;
1982 }
1983 break;
1984 case TARGET_NR_ssetmask:
1985 {
1986 sigset_t set, oset, cur_set;
1987 target_ulong target_set = arg1;
1988 sigprocmask(0, NULL, &cur_set);
1989 target_to_host_old_sigset(&set, &target_set);
1990 sigorset(&set, &set, &cur_set);
1991 sigprocmask(SIG_SETMASK, &set, &oset);
1992 host_to_target_old_sigset(&target_set, &oset);
1993 ret = target_set;
1994 }
1995 break;
1996 case TARGET_NR_sigprocmask:
1997 {
1998 int how = arg1;
1999 sigset_t set, oldset, *set_ptr;
2000 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
2001
2002 if (pset) {
2003 switch(how) {
2004 case TARGET_SIG_BLOCK:
2005 how = SIG_BLOCK;
2006 break;
2007 case TARGET_SIG_UNBLOCK:
2008 how = SIG_UNBLOCK;
2009 break;
2010 case TARGET_SIG_SETMASK:
2011 how = SIG_SETMASK;
2012 break;
2013 default:
2014 ret = -EINVAL;
2015 goto fail;
2016 }
2017 target_to_host_old_sigset(&set, pset);
2018 set_ptr = &set;
2019 } else {
2020 how = 0;
2021 set_ptr = NULL;
2022 }
2023 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
2024 if (!is_error(ret) && poldset) {
2025 host_to_target_old_sigset(poldset, &oldset);
2026 }
2027 }
2028 break;
2029 case TARGET_NR_rt_sigprocmask:
2030 {
2031 int how = arg1;
2032 sigset_t set, oldset, *set_ptr;
2033 target_sigset_t *pset = (void *)arg2;
2034 target_sigset_t *poldset = (void *)arg3;
2035
2036 if (pset) {
2037 switch(how) {
2038 case TARGET_SIG_BLOCK:
2039 how = SIG_BLOCK;
2040 break;
2041 case TARGET_SIG_UNBLOCK:
2042 how = SIG_UNBLOCK;
2043 break;
2044 case TARGET_SIG_SETMASK:
2045 how = SIG_SETMASK;
2046 break;
2047 default:
2048 ret = -EINVAL;
2049 goto fail;
2050 }
2051 target_to_host_sigset(&set, pset);
2052 set_ptr = &set;
2053 } else {
2054 how = 0;
2055 set_ptr = NULL;
2056 }
2057 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
2058 if (!is_error(ret) && poldset) {
2059 host_to_target_sigset(poldset, &oldset);
2060 }
2061 }
2062 break;
2063 case TARGET_NR_sigpending:
2064 {
2065 sigset_t set;
2066 ret = get_errno(sigpending(&set));
2067 if (!is_error(ret)) {
2068 host_to_target_old_sigset((target_ulong *)arg1, &set);
2069 }
2070 }
2071 break;
2072 case TARGET_NR_rt_sigpending:
2073 {
2074 sigset_t set;
2075 ret = get_errno(sigpending(&set));
2076 if (!is_error(ret)) {
2077 host_to_target_sigset((target_sigset_t *)arg1, &set);
2078 }
2079 }
2080 break;
2081 case TARGET_NR_sigsuspend:
2082 {
2083 sigset_t set;
2084 target_to_host_old_sigset(&set, (target_ulong *)arg1);
2085 ret = get_errno(sigsuspend(&set));
2086 }
2087 break;
2088 case TARGET_NR_rt_sigsuspend:
2089 {
2090 sigset_t set;
2091 target_to_host_sigset(&set, (target_sigset_t *)arg1);
2092 ret = get_errno(sigsuspend(&set));
2093 }
2094 break;
2095 case TARGET_NR_rt_sigtimedwait:
2096 {
2097 target_sigset_t *target_set = (void *)arg1;
2098 target_siginfo_t *target_uinfo = (void *)arg2;
2099 struct target_timespec *target_uts = (void *)arg3;
2100 sigset_t set;
2101 struct timespec uts, *puts;
2102 siginfo_t uinfo;
2103
2104 target_to_host_sigset(&set, target_set);
2105 if (target_uts) {
2106 puts = &uts;
2107 puts->tv_sec = tswapl(target_uts->tv_sec);
2108 puts->tv_nsec = tswapl(target_uts->tv_nsec);
2109 } else {
2110 puts = NULL;
2111 }
2112 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2113 if (!is_error(ret) && target_uinfo) {
2114 host_to_target_siginfo(target_uinfo, &uinfo);
2115 }
2116 }
2117 break;
2118 case TARGET_NR_rt_sigqueueinfo:
2119 {
2120 siginfo_t uinfo;
2121 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
2122 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2123 }
2124 break;
2125 case TARGET_NR_sigreturn:
2126 /* NOTE: ret is eax, so not transcoding must be done */
2127 ret = do_sigreturn(cpu_env);
2128 break;
2129 case TARGET_NR_rt_sigreturn:
2130 /* NOTE: ret is eax, so not transcoding must be done */
2131 ret = do_rt_sigreturn(cpu_env);
2132 break;
2133 case TARGET_NR_sethostname:
2134 ret = get_errno(sethostname((const char *)arg1, arg2));
2135 break;
2136 case TARGET_NR_setrlimit:
2137 {
2138 /* XXX: convert resource ? */
2139 int resource = arg1;
2140 struct target_rlimit *target_rlim = (void *)arg2;
2141 struct rlimit rlim;
2142 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2143 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2144 ret = get_errno(setrlimit(resource, &rlim));
2145 }
2146 break;
2147 case TARGET_NR_getrlimit:
2148 {
2149 /* XXX: convert resource ? */
2150 int resource = arg1;
2151 struct target_rlimit *target_rlim = (void *)arg2;
2152 struct rlimit rlim;
2153
2154 ret = get_errno(getrlimit(resource, &rlim));
2155 if (!is_error(ret)) {
2156 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2157 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2158 }
2159 }
2160 break;
2161 case TARGET_NR_getrusage:
2162 {
2163 struct rusage rusage;
2164 struct target_rusage *target_rusage = (void *)arg2;
2165 ret = get_errno(getrusage(arg1, &rusage));
2166 if (!is_error(ret)) {
2167 host_to_target_rusage(target_rusage, &rusage);
2168 }
2169 }
2170 break;
2171 case TARGET_NR_gettimeofday:
2172 {
2173 struct target_timeval *target_tv = (void *)arg1;
2174 struct timeval tv;
2175 ret = get_errno(gettimeofday(&tv, NULL));
2176 if (!is_error(ret)) {
2177 host_to_target_timeval(target_tv, &tv);
2178 }
2179 }
2180 break;
2181 case TARGET_NR_settimeofday:
2182 {
2183 struct target_timeval *target_tv = (void *)arg1;
2184 struct timeval tv;
2185 target_to_host_timeval(&tv, target_tv);
2186 ret = get_errno(settimeofday(&tv, NULL));
2187 }
2188 break;
2189 #ifdef TARGET_NR_select
2190 case TARGET_NR_select:
2191 {
2192 struct target_sel_arg_struct *sel = (void *)arg1;
2193 sel->n = tswapl(sel->n);
2194 sel->inp = tswapl(sel->inp);
2195 sel->outp = tswapl(sel->outp);
2196 sel->exp = tswapl(sel->exp);
2197 sel->tvp = tswapl(sel->tvp);
2198 ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp,
2199 (void *)sel->exp, (void *)sel->tvp);
2200 }
2201 break;
2202 #endif
2203 case TARGET_NR_symlink:
2204 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
2205 break;
2206 #ifdef TARGET_NR_oldlstat
2207 case TARGET_NR_oldlstat:
2208 goto unimplemented;
2209 #endif
2210 case TARGET_NR_readlink:
2211 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
2212 break;
2213 case TARGET_NR_uselib:
2214 goto unimplemented;
2215 case TARGET_NR_swapon:
2216 ret = get_errno(swapon((const char *)arg1, arg2));
2217 break;
2218 case TARGET_NR_reboot:
2219 goto unimplemented;
2220 case TARGET_NR_readdir:
2221 goto unimplemented;
2222 case TARGET_NR_mmap:
2223 #if defined(TARGET_I386) || defined(TARGET_ARM)
2224 {
2225 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
2226 vptr = (uint32_t *)arg1;
2227 v1 = tswap32(vptr[0]);
2228 v2 = tswap32(vptr[1]);
2229 v3 = tswap32(vptr[2]);
2230 v4 = tswap32(vptr[3]);
2231 v5 = tswap32(vptr[4]);
2232 v6 = tswap32(vptr[5]);
2233 ret = get_errno(target_mmap(v1, v2, v3,
2234 target_to_host_bitmask(v4, mmap_flags_tbl),
2235 v5, v6));
2236 }
2237 #else
2238 ret = get_errno(target_mmap(arg1, arg2, arg3,
2239 target_to_host_bitmask(arg4, mmap_flags_tbl),
2240 arg5,
2241 arg6));
2242 #endif
2243 break;
2244 #ifdef TARGET_NR_mmap2
2245 case TARGET_NR_mmap2:
2246 #if defined(TARGET_SPARC)
2247 #define MMAP_SHIFT 12
2248 #else
2249 #define MMAP_SHIFT TARGET_PAGE_BITS
2250 #endif
2251 ret = get_errno(target_mmap(arg1, arg2, arg3,
2252 target_to_host_bitmask(arg4, mmap_flags_tbl),
2253 arg5,
2254 arg6 << MMAP_SHIFT));
2255 break;
2256 #endif
2257 case TARGET_NR_munmap:
2258 ret = get_errno(target_munmap(arg1, arg2));
2259 break;
2260 case TARGET_NR_mprotect:
2261 ret = get_errno(target_mprotect(arg1, arg2, arg3));
2262 break;
2263 case TARGET_NR_mremap:
2264 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2265 break;
2266 case TARGET_NR_msync:
2267 ret = get_errno(msync((void *)arg1, arg2, arg3));
2268 break;
2269 case TARGET_NR_mlock:
2270 ret = get_errno(mlock((void *)arg1, arg2));
2271 break;
2272 case TARGET_NR_munlock:
2273 ret = get_errno(munlock((void *)arg1, arg2));
2274 break;
2275 case TARGET_NR_mlockall:
2276 ret = get_errno(mlockall(arg1));
2277 break;
2278 case TARGET_NR_munlockall:
2279 ret = get_errno(munlockall());
2280 break;
2281 case TARGET_NR_truncate:
2282 ret = get_errno(truncate((const char *)arg1, arg2));
2283 break;
2284 case TARGET_NR_ftruncate:
2285 ret = get_errno(ftruncate(arg1, arg2));
2286 break;
2287 case TARGET_NR_fchmod:
2288 ret = get_errno(fchmod(arg1, arg2));
2289 break;
2290 case TARGET_NR_getpriority:
2291 ret = get_errno(getpriority(arg1, arg2));
2292 break;
2293 case TARGET_NR_setpriority:
2294 ret = get_errno(setpriority(arg1, arg2, arg3));
2295 break;
2296 #ifdef TARGET_NR_profil
2297 case TARGET_NR_profil:
2298 goto unimplemented;
2299 #endif
2300 case TARGET_NR_statfs:
2301 stfs = (void *)arg2;
2302 ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
2303 convert_statfs:
2304 if (!is_error(ret)) {
2305 tswap32s(&stfs->f_type);
2306 tswap32s(&stfs->f_bsize);
2307 tswap32s(&stfs->f_blocks);
2308 tswap32s(&stfs->f_bfree);
2309 tswap32s(&stfs->f_bavail);
2310 tswap32s(&stfs->f_files);
2311 tswap32s(&stfs->f_ffree);
2312 tswap32s(&stfs->f_fsid.val[0]);
2313 tswap32s(&stfs->f_fsid.val[1]);
2314 tswap32s(&stfs->f_namelen);
2315 }
2316 break;
2317 case TARGET_NR_fstatfs:
2318 stfs = (void *)arg2;
2319 ret = get_errno(sys_fstatfs(arg1, stfs));
2320 goto convert_statfs;
2321 #ifdef TARGET_NR_ioperm
2322 case TARGET_NR_ioperm:
2323 goto unimplemented;
2324 #endif
2325 case TARGET_NR_socketcall:
2326 ret = do_socketcall(arg1, (int32_t *)arg2);
2327 break;
2328 case TARGET_NR_syslog:
2329 goto unimplemented;
2330 case TARGET_NR_setitimer:
2331 {
2332 struct target_itimerval *target_value = (void *)arg2;
2333 struct target_itimerval *target_ovalue = (void *)arg3;
2334 struct itimerval value, ovalue, *pvalue;
2335
2336 if (target_value) {
2337 pvalue = &value;
2338 target_to_host_timeval(&pvalue->it_interval,
2339 &target_value->it_interval);
2340 target_to_host_timeval(&pvalue->it_value,
2341 &target_value->it_value);
2342 } else {
2343 pvalue = NULL;
2344 }
2345 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
2346 if (!is_error(ret) && target_ovalue) {
2347 host_to_target_timeval(&target_ovalue->it_interval,
2348 &ovalue.it_interval);
2349 host_to_target_timeval(&target_ovalue->it_value,
2350 &ovalue.it_value);
2351 }
2352 }
2353 break;
2354 case TARGET_NR_getitimer:
2355 {
2356 struct target_itimerval *target_value = (void *)arg2;
2357 struct itimerval value;
2358
2359 ret = get_errno(getitimer(arg1, &value));
2360 if (!is_error(ret) && target_value) {
2361 host_to_target_timeval(&target_value->it_interval,
2362 &value.it_interval);
2363 host_to_target_timeval(&target_value->it_value,
2364 &value.it_value);
2365 }
2366 }
2367 break;
2368 case TARGET_NR_stat:
2369 ret = get_errno(stat(path((const char *)arg1), &st));
2370 goto do_stat;
2371 case TARGET_NR_lstat:
2372 ret = get_errno(lstat(path((const char *)arg1), &st));
2373 goto do_stat;
2374 case TARGET_NR_fstat:
2375 {
2376 ret = get_errno(fstat(arg1, &st));
2377 do_stat:
2378 if (!is_error(ret)) {
2379 struct target_stat *target_st = (void *)arg2;
2380 target_st->st_dev = tswap16(st.st_dev);
2381 target_st->st_ino = tswapl(st.st_ino);
2382 #if defined(TARGET_PPC)
2383 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2384 target_st->st_uid = tswap32(st.st_uid);
2385 target_st->st_gid = tswap32(st.st_gid);
2386 #else
2387 target_st->st_mode = tswap16(st.st_mode);
2388 target_st->st_uid = tswap16(st.st_uid);
2389 target_st->st_gid = tswap16(st.st_gid);
2390 #endif
2391 target_st->st_nlink = tswap16(st.st_nlink);
2392 target_st->st_rdev = tswap16(st.st_rdev);
2393 target_st->st_size = tswapl(st.st_size);
2394 target_st->st_blksize = tswapl(st.st_blksize);
2395 target_st->st_blocks = tswapl(st.st_blocks);
2396 target_st->target_st_atime = tswapl(st.st_atime);
2397 target_st->target_st_mtime = tswapl(st.st_mtime);
2398 target_st->target_st_ctime = tswapl(st.st_ctime);
2399 }
2400 }
2401 break;
2402 #ifdef TARGET_NR_olduname
2403 case TARGET_NR_olduname:
2404 goto unimplemented;
2405 #endif
2406 #ifdef TARGET_NR_iopl
2407 case TARGET_NR_iopl:
2408 goto unimplemented;
2409 #endif
2410 case TARGET_NR_vhangup:
2411 ret = get_errno(vhangup());
2412 break;
2413 #ifdef TARGET_NR_idle
2414 case TARGET_NR_idle:
2415 goto unimplemented;
2416 #endif
2417 #ifdef TARGET_NR_syscall
2418 case TARGET_NR_syscall:
2419 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
2420 break;
2421 #endif
2422 case TARGET_NR_wait4:
2423 {
2424 int status;
2425 target_long *status_ptr = (void *)arg2;
2426 struct rusage rusage, *rusage_ptr;
2427 struct target_rusage *target_rusage = (void *)arg4;
2428 if (target_rusage)
2429 rusage_ptr = &rusage;
2430 else
2431 rusage_ptr = NULL;
2432 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
2433 if (!is_error(ret)) {
2434 if (status_ptr)
2435 *status_ptr = tswap32(status);
2436 if (target_rusage) {
2437 host_to_target_rusage(target_rusage, &rusage);
2438 }
2439 }
2440 }
2441 break;
2442 case TARGET_NR_swapoff:
2443 ret = get_errno(swapoff((const char *)arg1));
2444 break;
2445 case TARGET_NR_sysinfo:
2446 {
2447 struct target_sysinfo *target_value = (void *)arg1;
2448 struct sysinfo value;
2449 ret = get_errno(sysinfo(&value));
2450 if (!is_error(ret) && target_value)
2451 {
2452 __put_user(value.uptime, &target_value->uptime);
2453 __put_user(value.loads[0], &target_value->loads[0]);
2454 __put_user(value.loads[1], &target_value->loads[1]);
2455 __put_user(value.loads[2], &target_value->loads[2]);
2456 __put_user(value.totalram, &target_value->totalram);
2457 __put_user(value.freeram, &target_value->freeram);
2458 __put_user(value.sharedram, &target_value->sharedram);
2459 __put_user(value.bufferram, &target_value->bufferram);
2460 __put_user(value.totalswap, &target_value->totalswap);
2461 __put_user(value.freeswap, &target_value->freeswap);
2462 __put_user(value.procs, &target_value->procs);
2463 __put_user(value.totalhigh, &target_value->totalhigh);
2464 __put_user(value.freehigh, &target_value->freehigh);
2465 __put_user(value.mem_unit, &target_value->mem_unit);
2466 }
2467 }
2468 break;
2469 case TARGET_NR_ipc:
2470 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
2471 break;
2472 case TARGET_NR_fsync:
2473 ret = get_errno(fsync(arg1));
2474 break;
2475 case TARGET_NR_clone:
2476 ret = get_errno(do_fork(cpu_env, arg1, arg2));
2477 break;
2478 #ifdef __NR_exit_group
2479 /* new thread calls */
2480 case TARGET_NR_exit_group:
2481 gdb_exit(cpu_env, arg1);
2482 ret = get_errno(exit_group(arg1));
2483 break;
2484 #endif
2485 case TARGET_NR_setdomainname:
2486 ret = get_errno(setdomainname((const char *)arg1, arg2));
2487 break;
2488 case TARGET_NR_uname:
2489 /* no need to transcode because we use the linux syscall */
2490 {
2491 struct new_utsname * buf;
2492
2493 buf = (struct new_utsname *)arg1;
2494 ret = get_errno(sys_uname(buf));
2495 if (!is_error(ret)) {
2496 /* Overrite the native machine name with whatever is being
2497 emulated. */
2498 strcpy (buf->machine, UNAME_MACHINE);
2499 }
2500 }
2501 break;
2502 #ifdef TARGET_I386
2503 case TARGET_NR_modify_ldt:
2504 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
2505 break;
2506 case TARGET_NR_vm86old:
2507 goto unimplemented;
2508 case TARGET_NR_vm86:
2509 ret = do_vm86(cpu_env, arg1, (void *)arg2);
2510 break;
2511 #endif
2512 case TARGET_NR_adjtimex:
2513 goto unimplemented;
2514 case TARGET_NR_create_module:
2515 case TARGET_NR_init_module:
2516 case TARGET_NR_delete_module:
2517 case TARGET_NR_get_kernel_syms:
2518 goto unimplemented;
2519 case TARGET_NR_quotactl:
2520 goto unimplemented;
2521 case TARGET_NR_getpgid:
2522 ret = get_errno(getpgid(arg1));
2523 break;
2524 case TARGET_NR_fchdir:
2525 ret = get_errno(fchdir(arg1));
2526 break;
2527 case TARGET_NR_bdflush:
2528 goto unimplemented;
2529 case TARGET_NR_sysfs:
2530 goto unimplemented;
2531 case TARGET_NR_personality:
2532 ret = get_errno(personality(arg1));
2533 break;
2534 case TARGET_NR_afs_syscall:
2535 goto unimplemented;
2536 case TARGET_NR__llseek:
2537 {
2538 #if defined (__x86_64__)
2539 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2540 *(int64_t *)arg4 = ret;
2541 #else
2542 int64_t res;
2543 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2544 *(int64_t *)arg4 = tswap64(res);
2545 #endif
2546 }
2547 break;
2548 case TARGET_NR_getdents:
2549 #if TARGET_LONG_SIZE != 4
2550 #warning not supported
2551 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
2552 {
2553 struct target_dirent *target_dirp = (void *)arg2;
2554 struct dirent *dirp;
2555 long count = arg3;
2556
2557 dirp = malloc(count);
2558 if (!dirp)
2559 return -ENOMEM;
2560
2561 ret = get_errno(sys_getdents(arg1, dirp, count));
2562 if (!is_error(ret)) {
2563 struct dirent *de;
2564 struct target_dirent *tde;
2565 int len = ret;
2566 int reclen, treclen;
2567 int count1, tnamelen;
2568
2569 count1 = 0;
2570 de = dirp;
2571 tde = target_dirp;
2572 while (len > 0) {
2573 reclen = de->d_reclen;
2574 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
2575 tde->d_reclen = tswap16(treclen);
2576 tde->d_ino = tswapl(de->d_ino);
2577 tde->d_off = tswapl(de->d_off);
2578 tnamelen = treclen - (2 * sizeof(target_long) + 2);
2579 if (tnamelen > 256)
2580 tnamelen = 256;
2581 /* XXX: may not be correct */
2582 strncpy(tde->d_name, de->d_name, tnamelen);
2583 de = (struct dirent *)((char *)de + reclen);
2584 len -= reclen;
2585 tde = (struct dirent *)((char *)tde + treclen);
2586 count1 += treclen;
2587 }
2588 ret = count1;
2589 }
2590 free(dirp);
2591 }
2592 #else
2593 {
2594 struct dirent *dirp = (void *)arg2;
2595 long count = arg3;
2596
2597 ret = get_errno(sys_getdents(arg1, dirp, count));
2598 if (!is_error(ret)) {
2599 struct dirent *de;
2600 int len = ret;
2601 int reclen;
2602 de = dirp;
2603 while (len > 0) {
2604 reclen = de->d_reclen;
2605 if (reclen > len)
2606 break;
2607 de->d_reclen = tswap16(reclen);
2608 tswapls(&de->d_ino);
2609 tswapls(&de->d_off);
2610 de = (struct dirent *)((char *)de + reclen);
2611 len -= reclen;
2612 }
2613 }
2614 }
2615 #endif
2616 break;
2617 #ifdef TARGET_NR_getdents64
2618 case TARGET_NR_getdents64:
2619 {
2620 struct dirent64 *dirp = (void *)arg2;
2621 long count = arg3;
2622 ret = get_errno(sys_getdents64(arg1, dirp, count));
2623 if (!is_error(ret)) {
2624 struct dirent64 *de;
2625 int len = ret;
2626 int reclen;
2627 de = dirp;
2628 while (len > 0) {
2629 reclen = de->d_reclen;
2630 if (reclen > len)
2631 break;
2632 de->d_reclen = tswap16(reclen);
2633 tswap64s(&de->d_ino);
2634 tswap64s(&de->d_off);
2635 de = (struct dirent64 *)((char *)de + reclen);
2636 len -= reclen;
2637 }
2638 }
2639 }
2640 break;
2641 #endif /* TARGET_NR_getdents64 */
2642 case TARGET_NR__newselect:
2643 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
2644 (void *)arg5);
2645 break;
2646 case TARGET_NR_poll:
2647 {
2648 struct target_pollfd *target_pfd = (void *)arg1;
2649 unsigned int nfds = arg2;
2650 int timeout = arg3;
2651 struct pollfd *pfd;
2652 unsigned int i;
2653
2654 pfd = alloca(sizeof(struct pollfd) * nfds);
2655 for(i = 0; i < nfds; i++) {
2656 pfd[i].fd = tswap32(target_pfd[i].fd);
2657 pfd[i].events = tswap16(target_pfd[i].events);
2658 }
2659 ret = get_errno(poll(pfd, nfds, timeout));
2660 if (!is_error(ret)) {
2661 for(i = 0; i < nfds; i++) {
2662 target_pfd[i].revents = tswap16(pfd[i].revents);
2663 }
2664 }
2665 }
2666 break;
2667 case TARGET_NR_flock:
2668 /* NOTE: the flock constant seems to be the same for every
2669 Linux platform */
2670 ret = get_errno(flock(arg1, arg2));
2671 break;
2672 case TARGET_NR_readv:
2673 {
2674 int count = arg3;
2675 int i;
2676 struct iovec *vec;
2677 struct target_iovec *target_vec = (void *)arg2;
2678
2679 vec = alloca(count * sizeof(struct iovec));
2680 for(i = 0;i < count; i++) {
2681 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2682 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2683 }
2684 ret = get_errno(readv(arg1, vec, count));
2685 }
2686 break;
2687 case TARGET_NR_writev:
2688 {
2689 int count = arg3;
2690 int i;
2691 struct iovec *vec;
2692 struct target_iovec *target_vec = (void *)arg2;
2693
2694 vec = alloca(count * sizeof(struct iovec));
2695 for(i = 0;i < count; i++) {
2696 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2697 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2698 }
2699 ret = get_errno(writev(arg1, vec, count));
2700 }
2701 break;
2702 case TARGET_NR_getsid:
2703 ret = get_errno(getsid(arg1));
2704 break;
2705 case TARGET_NR_fdatasync:
2706 ret = get_errno(fdatasync(arg1));
2707 break;
2708 case TARGET_NR__sysctl:
2709 /* We don't implement this, but ENODIR is always a safe
2710 return value. */
2711 return -ENOTDIR;
2712 case TARGET_NR_sched_setparam:
2713 {
2714 struct sched_param *target_schp = (void *)arg2;
2715 struct sched_param schp;
2716 schp.sched_priority = tswap32(target_schp->sched_priority);
2717 ret = get_errno(sched_setparam(arg1, &schp));
2718 }
2719 break;
2720 case TARGET_NR_sched_getparam:
2721 {
2722 struct sched_param *target_schp = (void *)arg2;
2723 struct sched_param schp;
2724 ret = get_errno(sched_getparam(arg1, &schp));
2725 if (!is_error(ret)) {
2726 target_schp->sched_priority = tswap32(schp.sched_priority);
2727 }
2728 }
2729 break;
2730 case TARGET_NR_sched_setscheduler:
2731 {
2732 struct sched_param *target_schp = (void *)arg3;
2733 struct sched_param schp;
2734 schp.sched_priority = tswap32(target_schp->sched_priority);
2735 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2736 }
2737 break;
2738 case TARGET_NR_sched_getscheduler:
2739 ret = get_errno(sched_getscheduler(arg1));
2740 break;
2741 case TARGET_NR_sched_yield:
2742 ret = get_errno(sched_yield());
2743 break;
2744 case TARGET_NR_sched_get_priority_max:
2745 ret = get_errno(sched_get_priority_max(arg1));
2746 break;
2747 case TARGET_NR_sched_get_priority_min:
2748 ret = get_errno(sched_get_priority_min(arg1));
2749 break;
2750 case TARGET_NR_sched_rr_get_interval:
2751 {
2752 struct target_timespec *target_ts = (void *)arg2;
2753 struct timespec ts;
2754 ret = get_errno(sched_rr_get_interval(arg1, &ts));
2755 if (!is_error(ret)) {
2756 target_ts->tv_sec = tswapl(ts.tv_sec);
2757 target_ts->tv_nsec = tswapl(ts.tv_nsec);
2758 }
2759 }
2760 break;
2761 case TARGET_NR_nanosleep:
2762 {
2763 struct target_timespec *target_req = (void *)arg1;
2764 struct target_timespec *target_rem = (void *)arg2;
2765 struct timespec req, rem;
2766 req.tv_sec = tswapl(target_req->tv_sec);
2767 req.tv_nsec = tswapl(target_req->tv_nsec);
2768 ret = get_errno(nanosleep(&req, &rem));
2769 if (is_error(ret) && target_rem) {
2770 target_rem->tv_sec = tswapl(rem.tv_sec);
2771 target_rem->tv_nsec = tswapl(rem.tv_nsec);
2772 }
2773 }
2774 break;
2775 case TARGET_NR_query_module:
2776 goto unimplemented;
2777 case TARGET_NR_nfsservctl:
2778 goto unimplemented;
2779 case TARGET_NR_prctl:
2780 goto unimplemented;
2781 #ifdef TARGET_NR_pread
2782 case TARGET_NR_pread:
2783 page_unprotect_range((void *)arg2, arg3);
2784 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
2785 break;
2786 case TARGET_NR_pwrite:
2787 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
2788 break;
2789 #endif
2790 case TARGET_NR_getcwd:
2791 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
2792 break;
2793 case TARGET_NR_capget:
2794 goto unimplemented;
2795 case TARGET_NR_capset:
2796 goto unimplemented;
2797 case TARGET_NR_sigaltstack:
2798 goto unimplemented;
2799 case TARGET_NR_sendfile:
2800 goto unimplemented;
2801 #ifdef TARGET_NR_getpmsg
2802 case TARGET_NR_getpmsg:
2803 goto unimplemented;
2804 #endif
2805 #ifdef TARGET_NR_putpmsg
2806 case TARGET_NR_putpmsg:
2807 goto unimplemented;
2808 #endif
2809 #ifdef TARGET_NR_vfork
2810 case TARGET_NR_vfork:
2811 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
2812 break;
2813 #endif
2814 #ifdef TARGET_NR_ugetrlimit
2815 case TARGET_NR_ugetrlimit:
2816 {
2817 struct rlimit rlim;
2818 ret = get_errno(getrlimit(arg1, &rlim));
2819 if (!is_error(ret)) {
2820 struct target_rlimit *target_rlim = (void *)arg2;
2821 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2822 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2823 }
2824 break;
2825 }
2826 #endif
2827 #ifdef TARGET_NR_truncate64
2828 case TARGET_NR_truncate64:
2829 ret = get_errno(truncate64((const char *)arg1, arg2));
2830 break;
2831 #endif
2832 #ifdef TARGET_NR_ftruncate64
2833 case TARGET_NR_ftruncate64:
2834 ret = get_errno(ftruncate64(arg1, arg2));
2835 break;
2836 #endif
2837 #ifdef TARGET_NR_stat64
2838 case TARGET_NR_stat64:
2839 ret = get_errno(stat(path((const char *)arg1), &st));
2840 goto do_stat64;
2841 #endif
2842 #ifdef TARGET_NR_lstat64
2843 case TARGET_NR_lstat64:
2844 ret = get_errno(lstat(path((const char *)arg1), &st));
2845 goto do_stat64;
2846 #endif
2847 #ifdef TARGET_NR_fstat64
2848 case TARGET_NR_fstat64:
2849 {
2850 ret = get_errno(fstat(arg1, &st));
2851 do_stat64:
2852 if (!is_error(ret)) {
2853 struct target_stat64 *target_st = (void *)arg2;
2854 memset(target_st, 0, sizeof(struct target_stat64));
2855 put_user(st.st_dev, &target_st->st_dev);
2856 put_user(st.st_ino, &target_st->st_ino);
2857 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2858 put_user(st.st_ino, &target_st->__st_ino);
2859 #endif
2860 put_user(st.st_mode, &target_st->st_mode);
2861 put_user(st.st_nlink, &target_st->st_nlink);
2862 put_user(st.st_uid, &target_st->st_uid);
2863 put_user(st.st_gid, &target_st->st_gid);
2864 put_user(st.st_rdev, &target_st->st_rdev);
2865 /* XXX: better use of kernel struct */
2866 put_user(st.st_size, &target_st->st_size);
2867 put_user(st.st_blksize, &target_st->st_blksize);
2868 put_user(st.st_blocks, &target_st->st_blocks);
2869 put_user(st.st_atime, &target_st->target_st_atime);
2870 put_user(st.st_mtime, &target_st->target_st_mtime);
2871 put_user(st.st_ctime, &target_st->target_st_ctime);
2872 }
2873 }
2874 break;
2875 #endif
2876 #ifdef USE_UID16
2877 case TARGET_NR_lchown:
2878 ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2879 break;
2880 case TARGET_NR_getuid:
2881 ret = get_errno(high2lowuid(getuid()));
2882 break;
2883 case TARGET_NR_getgid:
2884 ret = get_errno(high2lowgid(getgid()));
2885 break;
2886 case TARGET_NR_geteuid:
2887 ret = get_errno(high2lowuid(geteuid()));
2888 break;
2889 case TARGET_NR_getegid:
2890 ret = get_errno(high2lowgid(getegid()));
2891 break;
2892 case TARGET_NR_setreuid:
2893 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
2894 break;
2895 case TARGET_NR_setregid:
2896 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
2897 break;
2898 case TARGET_NR_getgroups:
2899 {
2900 int gidsetsize = arg1;
2901 uint16_t *target_grouplist = (void *)arg2;
2902 gid_t *grouplist;
2903 int i;
2904
2905 grouplist = alloca(gidsetsize * sizeof(gid_t));
2906 ret = get_errno(getgroups(gidsetsize, grouplist));
2907 if (!is_error(ret)) {
2908 for(i = 0;i < gidsetsize; i++)
2909 target_grouplist[i] = tswap16(grouplist[i]);
2910 }
2911 }
2912 break;
2913 case TARGET_NR_setgroups:
2914 {
2915 int gidsetsize = arg1;
2916 uint16_t *target_grouplist = (void *)arg2;
2917 gid_t *grouplist;
2918 int i;
2919
2920 grouplist = alloca(gidsetsize * sizeof(gid_t));
2921 for(i = 0;i < gidsetsize; i++)
2922 grouplist[i] = tswap16(target_grouplist[i]);
2923 ret = get_errno(setgroups(gidsetsize, grouplist));
2924 }
2925 break;
2926 case TARGET_NR_fchown:
2927 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
2928 break;
2929 #ifdef TARGET_NR_setresuid
2930 case TARGET_NR_setresuid:
2931 ret = get_errno(setresuid(low2highuid(arg1),
2932 low2highuid(arg2),
2933 low2highuid(arg3)));
2934 break;
2935 #endif
2936 #ifdef TARGET_NR_getresuid
2937 case TARGET_NR_getresuid:
2938 {
2939 int ruid, euid, suid;
2940 ret = get_errno(getresuid(&ruid, &euid, &suid));
2941 if (!is_error(ret)) {
2942 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2943 *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2944 *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2945 }
2946 }
2947 break;
2948 #endif
2949 #ifdef TARGET_NR_getresgid
2950 case TARGET_NR_setresgid:
2951 ret = get_errno(setresgid(low2highgid(arg1),
2952 low2highgid(arg2),
2953 low2highgid(arg3)));
2954 break;
2955 #endif
2956 #ifdef TARGET_NR_getresgid
2957 case TARGET_NR_getresgid:
2958 {
2959 int rgid, egid, sgid;
2960 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2961 if (!is_error(ret)) {
2962 *(uint16_t *)arg1 = tswap16(high2lowgid(rgid));
2963 *(uint16_t *)arg2 = tswap16(high2lowgid(egid));
2964 *(uint16_t *)arg3 = tswap16(high2lowgid(sgid));
2965 }
2966 }
2967 break;
2968 #endif
2969 case TARGET_NR_chown:
2970 ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2971 break;
2972 case TARGET_NR_setuid:
2973 ret = get_errno(setuid(low2highuid(arg1)));
2974 break;
2975 case TARGET_NR_setgid:
2976 ret = get_errno(setgid(low2highgid(arg1)));
2977 break;
2978 case TARGET_NR_setfsuid:
2979 ret = get_errno(setfsuid(arg1));
2980 break;
2981 case TARGET_NR_setfsgid:
2982 ret = get_errno(setfsgid(arg1));
2983 break;
2984 #endif /* USE_UID16 */
2985
2986 #ifdef TARGET_NR_lchown32
2987 case TARGET_NR_lchown32:
2988 ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2989 break;
2990 #endif
2991 #ifdef TARGET_NR_getuid32
2992 case TARGET_NR_getuid32:
2993 ret = get_errno(getuid());
2994 break;
2995 #endif
2996 #ifdef TARGET_NR_getgid32
2997 case TARGET_NR_getgid32:
2998 ret = get_errno(getgid());
2999 break;
3000 #endif
3001 #ifdef TARGET_NR_geteuid32
3002 case TARGET_NR_geteuid32:
3003 ret = get_errno(geteuid());
3004 break;
3005 #endif
3006 #ifdef TARGET_NR_getegid32
3007 case TARGET_NR_getegid32:
3008 ret = get_errno(getegid());
3009 break;
3010 #endif
3011 #ifdef TARGET_NR_setreuid32
3012 case TARGET_NR_setreuid32:
3013 ret = get_errno(setreuid(arg1, arg2));
3014 break;
3015 #endif
3016 #ifdef TARGET_NR_setregid32
3017 case TARGET_NR_setregid32:
3018 ret = get_errno(setregid(arg1, arg2));
3019 break;
3020 #endif
3021 #ifdef TARGET_NR_getgroups32
3022 case TARGET_NR_getgroups32:
3023 {
3024 int gidsetsize = arg1;
3025 uint32_t *target_grouplist = (void *)arg2;
3026 gid_t *grouplist;
3027 int i;
3028
3029 grouplist = alloca(gidsetsize * sizeof(gid_t));
3030 ret = get_errno(getgroups(gidsetsize, grouplist));
3031 if (!is_error(ret)) {
3032 for(i = 0;i < gidsetsize; i++)
3033 put_user(grouplist[i], &target_grouplist[i]);
3034 }
3035 }
3036 break;
3037 #endif
3038 #ifdef TARGET_NR_setgroups32
3039 case TARGET_NR_setgroups32:
3040 {
3041 int gidsetsize = arg1;
3042 uint32_t *target_grouplist = (void *)arg2;
3043 gid_t *grouplist;
3044 int i;
3045
3046 grouplist = alloca(gidsetsize * sizeof(gid_t));
3047 for(i = 0;i < gidsetsize; i++)
3048 get_user(grouplist[i], &target_grouplist[i]);
3049 ret = get_errno(setgroups(gidsetsize, grouplist));
3050 }
3051 break;
3052 #endif
3053 #ifdef TARGET_NR_fchown32
3054 case TARGET_NR_fchown32:
3055 ret = get_errno(fchown(arg1, arg2, arg3));
3056 break;
3057 #endif
3058 #ifdef TARGET_NR_setresuid32
3059 case TARGET_NR_setresuid32:
3060 ret = get_errno(setresuid(arg1, arg2, arg3));
3061 break;
3062 #endif
3063 #ifdef TARGET_NR_getresuid32
3064 case TARGET_NR_getresuid32:
3065 {
3066 int ruid, euid, suid;
3067 ret = get_errno(getresuid(&ruid, &euid, &suid));
3068 if (!is_error(ret)) {
3069 *(uint32_t *)arg1 = tswap32(ruid);
3070 *(uint32_t *)arg2 = tswap32(euid);
3071 *(uint32_t *)arg3 = tswap32(suid);
3072 }
3073 }
3074 break;
3075 #endif
3076 #ifdef TARGET_NR_setresgid32
3077 case TARGET_NR_setresgid32:
3078 ret = get_errno(setresgid(arg1, arg2, arg3));
3079 break;
3080 #endif
3081 #ifdef TARGET_NR_getresgid32
3082 case TARGET_NR_getresgid32:
3083 {
3084 int rgid, egid, sgid;
3085 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3086 if (!is_error(ret)) {
3087 *(uint32_t *)arg1 = tswap32(rgid);
3088 *(uint32_t *)arg2 = tswap32(egid);
3089 *(uint32_t *)arg3 = tswap32(sgid);
3090 }
3091 }
3092 break;
3093 #endif
3094 #ifdef TARGET_NR_chown32
3095 case TARGET_NR_chown32:
3096 ret = get_errno(chown((const char *)arg1, arg2, arg3));
3097 break;
3098 #endif
3099 #ifdef TARGET_NR_setuid32
3100 case TARGET_NR_setuid32:
3101 ret = get_errno(setuid(arg1));
3102 break;
3103 #endif
3104 #ifdef TARGET_NR_setgid32
3105 case TARGET_NR_setgid32:
3106 ret = get_errno(setgid(arg1));
3107 break;
3108 #endif
3109 #ifdef TARGET_NR_setfsuid32
3110 case TARGET_NR_setfsuid32:
3111 ret = get_errno(setfsuid(arg1));
3112 break;
3113 #endif
3114 #ifdef TARGET_NR_setfsgid32
3115 case TARGET_NR_setfsgid32:
3116 ret = get_errno(setfsgid(arg1));
3117 break;
3118 #endif
3119
3120 case TARGET_NR_pivot_root:
3121 goto unimplemented;
3122 #ifdef TARGET_NR_mincore
3123 case TARGET_NR_mincore:
3124 goto unimplemented;
3125 #endif
3126 #ifdef TARGET_NR_madvise
3127 case TARGET_NR_madvise:
3128 goto unimplemented;
3129 #endif
3130 #if TARGET_LONG_BITS == 32
3131 case TARGET_NR_fcntl64:
3132 {
3133 struct flock64 fl;
3134 struct target_flock64 *target_fl = (void *)arg3;
3135
3136 switch(arg2) {
3137 case F_GETLK64:
3138 ret = get_errno(fcntl(arg1, arg2, &fl));
3139 if (ret == 0) {
3140 target_fl->l_type = tswap16(fl.l_type);
3141 target_fl->l_whence = tswap16(fl.l_whence);
3142 target_fl->l_start = tswap64(fl.l_start);
3143 target_fl->l_len = tswap64(fl.l_len);
3144 target_fl->l_pid = tswapl(fl.l_pid);
3145 }
3146 break;
3147
3148 case F_SETLK64:
3149 case F_SETLKW64:
3150 fl.l_type = tswap16(target_fl->l_type);
3151 fl.l_whence = tswap16(target_fl->l_whence);
3152 fl.l_start = tswap64(target_fl->l_start);
3153 fl.l_len = tswap64(target_fl->l_len);
3154 fl.l_pid = tswapl(target_fl->l_pid);
3155 ret = get_errno(fcntl(arg1, arg2, &fl));
3156 break;
3157 default:
3158 ret = get_errno(do_fcntl(arg1, arg2, arg3));
3159 break;
3160 }
3161 break;
3162 }
3163 #endif
3164 #ifdef TARGET_NR_security
3165 case TARGET_NR_security:
3166 goto unimplemented;
3167 #endif
3168 #ifdef TARGET_NR_getpagesize
3169 case TARGET_NR_getpagesize:
3170 ret = TARGET_PAGE_SIZE;
3171 break;
3172 #endif
3173 case TARGET_NR_gettid:
3174 ret = get_errno(gettid());
3175 break;
3176 case TARGET_NR_readahead:
3177 goto unimplemented;
3178 #ifdef TARGET_NR_setxattr
3179 case TARGET_NR_setxattr:
3180 case TARGET_NR_lsetxattr:
3181 case TARGET_NR_fsetxattr:
3182 case TARGET_NR_getxattr:
3183 case TARGET_NR_lgetxattr:
3184 case TARGET_NR_fgetxattr:
3185 case TARGET_NR_listxattr:
3186 case TARGET_NR_llistxattr:
3187 case TARGET_NR_flistxattr:
3188 case TARGET_NR_removexattr:
3189 case TARGET_NR_lremovexattr:
3190 case TARGET_NR_fremovexattr:
3191 goto unimplemented_nowarn;
3192 #endif
3193 #ifdef TARGET_NR_set_thread_area
3194 case TARGET_NR_set_thread_area:
3195 case TARGET_NR_get_thread_area:
3196 goto unimplemented_nowarn;
3197 #endif
3198 default:
3199 unimplemented:
3200 gemu_log("qemu: Unsupported syscall: %d\n", num);
3201 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area)
3202 unimplemented_nowarn:
3203 #endif
3204 ret = -ENOSYS;
3205 break;
3206 }
3207 fail:
3208 #ifdef DEBUG
3209 gemu_log(" = %ld\n", ret);
3210 #endif
3211 return ret;
3212 }
3213
Qemu copy for testing