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