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ARM "Angel" semihosting syscalls (Paul Brook)
[qemu.git] / linux-user / syscall.c
1 /*
2 * Linux syscalls
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20 #include <stdlib.h>
21 #include <stdio.h>
22 #include <stdarg.h>
23 #include <string.h>
24 #include <elf.h>
25 #include <endian.h>
26 #include <errno.h>
27 #include <unistd.h>
28 #include <fcntl.h>
29 #include <time.h>
30 #include <sys/types.h>
31 #include <sys/wait.h>
32 #include <sys/time.h>
33 #include <sys/stat.h>
34 #include <sys/mount.h>
35 #include <sys/resource.h>
36 #include <sys/mman.h>
37 #include <sys/swap.h>
38 #include <signal.h>
39 #include <sched.h>
40 #include <sys/socket.h>
41 #include <sys/uio.h>
42 #include <sys/poll.h>
43 #include <sys/times.h>
44 #include <sys/shm.h>
45 #include <utime.h>
46 #include <sys/sysinfo.h>
47 //#include <sys/user.h>
48 #include <netinet/ip.h>
49 #include <netinet/tcp.h>
50
51 #define termios host_termios
52 #define winsize host_winsize
53 #define termio host_termio
54 #define sgttyb host_sgttyb /* same as target */
55 #define tchars host_tchars /* same as target */
56 #define ltchars host_ltchars /* same as target */
57
58 #include <linux/termios.h>
59 #include <linux/unistd.h>
60 #include <linux/utsname.h>
61 #include <linux/cdrom.h>
62 #include <linux/hdreg.h>
63 #include <linux/soundcard.h>
64 #include <linux/dirent.h>
65 #include <linux/kd.h>
66
67 #include "qemu.h"
68
69 //#define DEBUG
70
71 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC)
72 /* 16 bit uid wrappers emulation */
73 #define USE_UID16
74 #endif
75
76 //#include <linux/msdos_fs.h>
77 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
78 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
79
80
81 #if defined(__powerpc__)
82 #undef __syscall_nr
83 #undef __sc_loadargs_0
84 #undef __sc_loadargs_1
85 #undef __sc_loadargs_2
86 #undef __sc_loadargs_3
87 #undef __sc_loadargs_4
88 #undef __sc_loadargs_5
89 #undef __sc_asm_input_0
90 #undef __sc_asm_input_1
91 #undef __sc_asm_input_2
92 #undef __sc_asm_input_3
93 #undef __sc_asm_input_4
94 #undef __sc_asm_input_5
95 #undef _syscall0
96 #undef _syscall1
97 #undef _syscall2
98 #undef _syscall3
99 #undef _syscall4
100 #undef _syscall5
101
102 /* need to redefine syscalls as Linux kernel defines are incorrect for
103 the clobber list */
104 /* On powerpc a system call basically clobbers the same registers like a
105 * function call, with the exception of LR (which is needed for the
106 * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
107 * an error return status).
108 */
109
110 #define __syscall_nr(nr, type, name, args...) \
111 unsigned long __sc_ret, __sc_err; \
112 { \
113 register unsigned long __sc_0 __asm__ ("r0"); \
114 register unsigned long __sc_3 __asm__ ("r3"); \
115 register unsigned long __sc_4 __asm__ ("r4"); \
116 register unsigned long __sc_5 __asm__ ("r5"); \
117 register unsigned long __sc_6 __asm__ ("r6"); \
118 register unsigned long __sc_7 __asm__ ("r7"); \
119 \
120 __sc_loadargs_##nr(name, args); \
121 __asm__ __volatile__ \
122 ("sc \n\t" \
123 "mfcr %0 " \
124 : "=&r" (__sc_0), \
125 "=&r" (__sc_3), "=&r" (__sc_4), \
126 "=&r" (__sc_5), "=&r" (__sc_6), \
127 "=&r" (__sc_7) \
128 : __sc_asm_input_##nr \
129 : "cr0", "ctr", "memory", \
130 "r8", "r9", "r10","r11", "r12"); \
131 __sc_ret = __sc_3; \
132 __sc_err = __sc_0; \
133 } \
134 if (__sc_err & 0x10000000) \
135 { \
136 errno = __sc_ret; \
137 __sc_ret = -1; \
138 } \
139 return (type) __sc_ret
140
141 #define __sc_loadargs_0(name, dummy...) \
142 __sc_0 = __NR_##name
143 #define __sc_loadargs_1(name, arg1) \
144 __sc_loadargs_0(name); \
145 __sc_3 = (unsigned long) (arg1)
146 #define __sc_loadargs_2(name, arg1, arg2) \
147 __sc_loadargs_1(name, arg1); \
148 __sc_4 = (unsigned long) (arg2)
149 #define __sc_loadargs_3(name, arg1, arg2, arg3) \
150 __sc_loadargs_2(name, arg1, arg2); \
151 __sc_5 = (unsigned long) (arg3)
152 #define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \
153 __sc_loadargs_3(name, arg1, arg2, arg3); \
154 __sc_6 = (unsigned long) (arg4)
155 #define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \
156 __sc_loadargs_4(name, arg1, arg2, arg3, arg4); \
157 __sc_7 = (unsigned long) (arg5)
158
159 #define __sc_asm_input_0 "0" (__sc_0)
160 #define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3)
161 #define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4)
162 #define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5)
163 #define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6)
164 #define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7)
165
166 #define _syscall0(type,name) \
167 type name(void) \
168 { \
169 __syscall_nr(0, type, name); \
170 }
171
172 #define _syscall1(type,name,type1,arg1) \
173 type name(type1 arg1) \
174 { \
175 __syscall_nr(1, type, name, arg1); \
176 }
177
178 #define _syscall2(type,name,type1,arg1,type2,arg2) \
179 type name(type1 arg1, type2 arg2) \
180 { \
181 __syscall_nr(2, type, name, arg1, arg2); \
182 }
183
184 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
185 type name(type1 arg1, type2 arg2, type3 arg3) \
186 { \
187 __syscall_nr(3, type, name, arg1, arg2, arg3); \
188 }
189
190 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
191 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
192 { \
193 __syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \
194 }
195
196 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
197 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
198 { \
199 __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \
200 }
201 #endif
202
203 #define __NR_sys_uname __NR_uname
204 #define __NR_sys_getcwd1 __NR_getcwd
205 #define __NR_sys_statfs __NR_statfs
206 #define __NR_sys_fstatfs __NR_fstatfs
207 #define __NR_sys_getdents __NR_getdents
208 #define __NR_sys_getdents64 __NR_getdents64
209 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
210
211 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
212 #define __NR__llseek __NR_lseek
213 #endif
214
215 #ifdef __NR_gettid
216 _syscall0(int, gettid)
217 #else
218 static int gettid(void) {
219 return -ENOSYS;
220 }
221 #endif
222 _syscall1(int,sys_uname,struct new_utsname *,buf)
223 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
224 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
225 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
226 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
227 loff_t *, res, uint, wh);
228 _syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
229 _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
230 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
231 #ifdef __NR_exit_group
232 _syscall1(int,exit_group,int,error_code)
233 #endif
234
235 extern int personality(int);
236 extern int flock(int, int);
237 extern int setfsuid(int);
238 extern int setfsgid(int);
239 extern int setresuid(uid_t, uid_t, uid_t);
240 extern int getresuid(uid_t *, uid_t *, uid_t *);
241 extern int setresgid(gid_t, gid_t, gid_t);
242 extern int getresgid(gid_t *, gid_t *, gid_t *);
243 extern int setgroups(int, gid_t *);
244
245 static inline long get_errno(long ret)
246 {
247 if (ret == -1)
248 return -errno;
249 else
250 return ret;
251 }
252
253 static inline int is_error(long ret)
254 {
255 return (unsigned long)ret >= (unsigned long)(-4096);
256 }
257
258 static char *target_brk;
259 static char *target_original_brk;
260
261 void target_set_brk(char *new_brk)
262 {
263 target_brk = new_brk;
264 target_original_brk = new_brk;
265 }
266
267 long do_brk(char *new_brk)
268 {
269 char *brk_page;
270 long mapped_addr;
271 int new_alloc_size;
272
273 if (!new_brk)
274 return (long)target_brk;
275 if (new_brk < target_original_brk)
276 return -ENOMEM;
277
278 brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
279
280 /* If the new brk is less than this, set it and we're done... */
281 if (new_brk < brk_page) {
282 target_brk = new_brk;
283 return (long)target_brk;
284 }
285
286 /* We need to allocate more memory after the brk... */
287 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
288 mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size,
289 PROT_READ|PROT_WRITE,
290 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
291 if (is_error(mapped_addr)) {
292 return mapped_addr;
293 } else {
294 target_brk = new_brk;
295 return (long)target_brk;
296 }
297 }
298
299 static inline fd_set *target_to_host_fds(fd_set *fds,
300 target_long *target_fds, int n)
301 {
302 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
303 return (fd_set *)target_fds;
304 #else
305 int i, b;
306 if (target_fds) {
307 FD_ZERO(fds);
308 for(i = 0;i < n; i++) {
309 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
310 (i & (TARGET_LONG_BITS - 1))) & 1;
311 if (b)
312 FD_SET(i, fds);
313 }
314 return fds;
315 } else {
316 return NULL;
317 }
318 #endif
319 }
320
321 static inline void host_to_target_fds(target_long *target_fds,
322 fd_set *fds, int n)
323 {
324 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
325 /* nothing to do */
326 #else
327 int i, nw, j, k;
328 target_long v;
329
330 if (target_fds) {
331 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
332 k = 0;
333 for(i = 0;i < nw; i++) {
334 v = 0;
335 for(j = 0; j < TARGET_LONG_BITS; j++) {
336 v |= ((FD_ISSET(k, fds) != 0) << j);
337 k++;
338 }
339 target_fds[i] = tswapl(v);
340 }
341 }
342 #endif
343 }
344
345 #if defined(__alpha__)
346 #define HOST_HZ 1024
347 #else
348 #define HOST_HZ 100
349 #endif
350
351 static inline long host_to_target_clock_t(long ticks)
352 {
353 #if HOST_HZ == TARGET_HZ
354 return ticks;
355 #else
356 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
357 #endif
358 }
359
360 static inline void host_to_target_rusage(struct target_rusage *target_rusage,
361 const struct rusage *rusage)
362 {
363 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
364 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
365 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
366 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
367 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
368 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
369 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
370 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
371 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
372 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
373 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
374 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
375 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
376 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
377 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
378 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
379 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
380 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
381 }
382
383 static inline void target_to_host_timeval(struct timeval *tv,
384 const struct target_timeval *target_tv)
385 {
386 tv->tv_sec = tswapl(target_tv->tv_sec);
387 tv->tv_usec = tswapl(target_tv->tv_usec);
388 }
389
390 static inline void host_to_target_timeval(struct target_timeval *target_tv,
391 const struct timeval *tv)
392 {
393 target_tv->tv_sec = tswapl(tv->tv_sec);
394 target_tv->tv_usec = tswapl(tv->tv_usec);
395 }
396
397
398 static long do_select(long n,
399 target_long *target_rfds, target_long *target_wfds,
400 target_long *target_efds, struct target_timeval *target_tv)
401 {
402 fd_set rfds, wfds, efds;
403 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
404 struct timeval tv, *tv_ptr;
405 long ret;
406
407 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
408 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
409 efds_ptr = target_to_host_fds(&efds, target_efds, n);
410
411 if (target_tv) {
412 target_to_host_timeval(&tv, target_tv);
413 tv_ptr = &tv;
414 } else {
415 tv_ptr = NULL;
416 }
417 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
418 if (!is_error(ret)) {
419 host_to_target_fds(target_rfds, rfds_ptr, n);
420 host_to_target_fds(target_wfds, wfds_ptr, n);
421 host_to_target_fds(target_efds, efds_ptr, n);
422
423 if (target_tv) {
424 host_to_target_timeval(target_tv, &tv);
425 }
426 }
427 return ret;
428 }
429
430 static inline void target_to_host_sockaddr(struct sockaddr *addr,
431 struct target_sockaddr *target_addr,
432 socklen_t len)
433 {
434 memcpy(addr, target_addr, len);
435 addr->sa_family = tswap16(target_addr->sa_family);
436 }
437
438 static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
439 struct sockaddr *addr,
440 socklen_t len)
441 {
442 memcpy(target_addr, addr, len);
443 target_addr->sa_family = tswap16(addr->sa_family);
444 }
445
446 static inline void target_to_host_cmsg(struct msghdr *msgh,
447 struct target_msghdr *target_msgh)
448 {
449 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
450 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
451 socklen_t space = 0;
452
453 while (cmsg && target_cmsg) {
454 void *data = CMSG_DATA(cmsg);
455 void *target_data = TARGET_CMSG_DATA(target_cmsg);
456
457 int len = tswapl(target_cmsg->cmsg_len)
458 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
459
460 space += CMSG_SPACE(len);
461 if (space > msgh->msg_controllen) {
462 space -= CMSG_SPACE(len);
463 gemu_log("Host cmsg overflow");
464 break;
465 }
466
467 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
468 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
469 cmsg->cmsg_len = CMSG_LEN(len);
470
471 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
472 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
473 memcpy(data, target_data, len);
474 } else {
475 int *fd = (int *)data;
476 int *target_fd = (int *)target_data;
477 int i, numfds = len / sizeof(int);
478
479 for (i = 0; i < numfds; i++)
480 fd[i] = tswap32(target_fd[i]);
481 }
482
483 cmsg = CMSG_NXTHDR(msgh, cmsg);
484 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
485 }
486
487 msgh->msg_controllen = space;
488 }
489
490 static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
491 struct msghdr *msgh)
492 {
493 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
494 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
495 socklen_t space = 0;
496
497 while (cmsg && target_cmsg) {
498 void *data = CMSG_DATA(cmsg);
499 void *target_data = TARGET_CMSG_DATA(target_cmsg);
500
501 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
502
503 space += TARGET_CMSG_SPACE(len);
504 if (space > tswapl(target_msgh->msg_controllen)) {
505 space -= TARGET_CMSG_SPACE(len);
506 gemu_log("Target cmsg overflow");
507 break;
508 }
509
510 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
511 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
512 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
513
514 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
515 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
516 memcpy(target_data, data, len);
517 } else {
518 int *fd = (int *)data;
519 int *target_fd = (int *)target_data;
520 int i, numfds = len / sizeof(int);
521
522 for (i = 0; i < numfds; i++)
523 target_fd[i] = tswap32(fd[i]);
524 }
525
526 cmsg = CMSG_NXTHDR(msgh, cmsg);
527 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
528 }
529
530 msgh->msg_controllen = tswapl(space);
531 }
532
533 static long do_setsockopt(int sockfd, int level, int optname,
534 void *optval, socklen_t optlen)
535 {
536 int val, ret;
537
538 switch(level) {
539 case SOL_TCP:
540 /* TCP options all take an 'int' value. */
541 if (optlen < sizeof(uint32_t))
542 return -EINVAL;
543
544 if (get_user(val, (uint32_t *)optval))
545 return -EFAULT;
546 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
547 break;
548 case SOL_IP:
549 switch(optname) {
550 case IP_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 /* XXX: should free thread stack and CPU env */
1607 _exit(arg1);
1608 ret = 0; /* avoid warning */
1609 break;
1610 case TARGET_NR_read:
1611 page_unprotect_range((void *)arg2, arg3);
1612 ret = get_errno(read(arg1, (void *)arg2, arg3));
1613 break;
1614 case TARGET_NR_write:
1615 ret = get_errno(write(arg1, (void *)arg2, arg3));
1616 break;
1617 case TARGET_NR_open:
1618 ret = get_errno(open(path((const char *)arg1),
1619 target_to_host_bitmask(arg2, fcntl_flags_tbl),
1620 arg3));
1621 break;
1622 case TARGET_NR_close:
1623 ret = get_errno(close(arg1));
1624 break;
1625 case TARGET_NR_brk:
1626 ret = do_brk((char *)arg1);
1627 break;
1628 case TARGET_NR_fork:
1629 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
1630 break;
1631 case TARGET_NR_waitpid:
1632 {
1633 int *status = (int *)arg2;
1634 ret = get_errno(waitpid(arg1, status, arg3));
1635 if (!is_error(ret) && status)
1636 tswapls((long *)&status);
1637 }
1638 break;
1639 case TARGET_NR_creat:
1640 ret = get_errno(creat((const char *)arg1, arg2));
1641 break;
1642 case TARGET_NR_link:
1643 ret = get_errno(link((const char *)arg1, (const char *)arg2));
1644 break;
1645 case TARGET_NR_unlink:
1646 ret = get_errno(unlink((const char *)arg1));
1647 break;
1648 case TARGET_NR_execve:
1649 {
1650 char **argp, **envp;
1651 int argc, envc;
1652 uint32_t *p;
1653 char **q;
1654
1655 argc = 0;
1656 for (p = (void *)arg2; *p; p++)
1657 argc++;
1658 envc = 0;
1659 for (p = (void *)arg3; *p; p++)
1660 envc++;
1661
1662 argp = alloca((argc + 1) * sizeof(void *));
1663 envp = alloca((envc + 1) * sizeof(void *));
1664
1665 for (p = (void *)arg2, q = argp; *p; p++, q++)
1666 *q = (void *)tswap32(*p);
1667 *q = NULL;
1668
1669 for (p = (void *)arg3, q = envp; *p; p++, q++)
1670 *q = (void *)tswap32(*p);
1671 *q = NULL;
1672
1673 ret = get_errno(execve((const char *)arg1, argp, envp));
1674 }
1675 break;
1676 case TARGET_NR_chdir:
1677 ret = get_errno(chdir((const char *)arg1));
1678 break;
1679 #ifdef TARGET_NR_time
1680 case TARGET_NR_time:
1681 {
1682 int *time_ptr = (int *)arg1;
1683 ret = get_errno(time((time_t *)time_ptr));
1684 if (!is_error(ret) && time_ptr)
1685 tswap32s(time_ptr);
1686 }
1687 break;
1688 #endif
1689 case TARGET_NR_mknod:
1690 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1691 break;
1692 case TARGET_NR_chmod:
1693 ret = get_errno(chmod((const char *)arg1, arg2));
1694 break;
1695 #ifdef TARGET_NR_break
1696 case TARGET_NR_break:
1697 goto unimplemented;
1698 #endif
1699 #ifdef TARGET_NR_oldstat
1700 case TARGET_NR_oldstat:
1701 goto unimplemented;
1702 #endif
1703 case TARGET_NR_lseek:
1704 ret = get_errno(lseek(arg1, arg2, arg3));
1705 break;
1706 case TARGET_NR_getpid:
1707 ret = get_errno(getpid());
1708 break;
1709 case TARGET_NR_mount:
1710 /* need to look at the data field */
1711 goto unimplemented;
1712 case TARGET_NR_umount:
1713 ret = get_errno(umount((const char *)arg1));
1714 break;
1715 case TARGET_NR_stime:
1716 {
1717 int *time_ptr = (int *)arg1;
1718 if (time_ptr)
1719 tswap32s(time_ptr);
1720 ret = get_errno(stime((time_t *)time_ptr));
1721 }
1722 break;
1723 case TARGET_NR_ptrace:
1724 goto unimplemented;
1725 case TARGET_NR_alarm:
1726 ret = alarm(arg1);
1727 break;
1728 #ifdef TARGET_NR_oldfstat
1729 case TARGET_NR_oldfstat:
1730 goto unimplemented;
1731 #endif
1732 case TARGET_NR_pause:
1733 ret = get_errno(pause());
1734 break;
1735 case TARGET_NR_utime:
1736 {
1737 struct utimbuf tbuf, *tbuf1;
1738 struct target_utimbuf *target_tbuf = (void *)arg2;
1739 if (target_tbuf) {
1740 get_user(tbuf.actime, &target_tbuf->actime);
1741 get_user(tbuf.modtime, &target_tbuf->modtime);
1742 tbuf1 = &tbuf;
1743 } else {
1744 tbuf1 = NULL;
1745 }
1746 ret = get_errno(utime((const char *)arg1, tbuf1));
1747 }
1748 break;
1749 case TARGET_NR_utimes:
1750 {
1751 struct target_timeval *target_tvp = (struct target_timeval *)arg2;
1752 struct timeval *tvp, tv[2];
1753 if (target_tvp) {
1754 target_to_host_timeval(&tv[0], &target_tvp[0]);
1755 target_to_host_timeval(&tv[1], &target_tvp[1]);
1756 tvp = tv;
1757 } else {
1758 tvp = NULL;
1759 }
1760 ret = get_errno(utimes((const char *)arg1, tvp));
1761 }
1762 break;
1763 #ifdef TARGET_NR_stty
1764 case TARGET_NR_stty:
1765 goto unimplemented;
1766 #endif
1767 #ifdef TARGET_NR_gtty
1768 case TARGET_NR_gtty:
1769 goto unimplemented;
1770 #endif
1771 case TARGET_NR_access:
1772 ret = get_errno(access((const char *)arg1, arg2));
1773 break;
1774 case TARGET_NR_nice:
1775 ret = get_errno(nice(arg1));
1776 break;
1777 #ifdef TARGET_NR_ftime
1778 case TARGET_NR_ftime:
1779 goto unimplemented;
1780 #endif
1781 case TARGET_NR_sync:
1782 sync();
1783 ret = 0;
1784 break;
1785 case TARGET_NR_kill:
1786 ret = get_errno(kill(arg1, arg2));
1787 break;
1788 case TARGET_NR_rename:
1789 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1790 break;
1791 case TARGET_NR_mkdir:
1792 ret = get_errno(mkdir((const char *)arg1, arg2));
1793 break;
1794 case TARGET_NR_rmdir:
1795 ret = get_errno(rmdir((const char *)arg1));
1796 break;
1797 case TARGET_NR_dup:
1798 ret = get_errno(dup(arg1));
1799 break;
1800 case TARGET_NR_pipe:
1801 {
1802 int *pipe_ptr = (int *)arg1;
1803 ret = get_errno(pipe(pipe_ptr));
1804 if (!is_error(ret)) {
1805 tswap32s(&pipe_ptr[0]);
1806 tswap32s(&pipe_ptr[1]);
1807 }
1808 }
1809 break;
1810 case TARGET_NR_times:
1811 {
1812 struct target_tms *tmsp = (void *)arg1;
1813 struct tms tms;
1814 ret = get_errno(times(&tms));
1815 if (tmsp) {
1816 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
1817 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
1818 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
1819 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
1820 }
1821 if (!is_error(ret))
1822 ret = host_to_target_clock_t(ret);
1823 }
1824 break;
1825 #ifdef TARGET_NR_prof
1826 case TARGET_NR_prof:
1827 goto unimplemented;
1828 #endif
1829 case TARGET_NR_signal:
1830 goto unimplemented;
1831
1832 case TARGET_NR_acct:
1833 goto unimplemented;
1834 case TARGET_NR_umount2:
1835 ret = get_errno(umount2((const char *)arg1, arg2));
1836 break;
1837 #ifdef TARGET_NR_lock
1838 case TARGET_NR_lock:
1839 goto unimplemented;
1840 #endif
1841 case TARGET_NR_ioctl:
1842 ret = do_ioctl(arg1, arg2, arg3);
1843 break;
1844 case TARGET_NR_fcntl:
1845 ret = get_errno(do_fcntl(arg1, arg2, arg3));
1846 break;
1847 #ifdef TARGET_NR_mpx
1848 case TARGET_NR_mpx:
1849 goto unimplemented;
1850 #endif
1851 case TARGET_NR_setpgid:
1852 ret = get_errno(setpgid(arg1, arg2));
1853 break;
1854 #ifdef TARGET_NR_ulimit
1855 case TARGET_NR_ulimit:
1856 goto unimplemented;
1857 #endif
1858 #ifdef TARGET_NR_oldolduname
1859 case TARGET_NR_oldolduname:
1860 goto unimplemented;
1861 #endif
1862 case TARGET_NR_umask:
1863 ret = get_errno(umask(arg1));
1864 break;
1865 case TARGET_NR_chroot:
1866 ret = get_errno(chroot((const char *)arg1));
1867 break;
1868 case TARGET_NR_ustat:
1869 goto unimplemented;
1870 case TARGET_NR_dup2:
1871 ret = get_errno(dup2(arg1, arg2));
1872 break;
1873 case TARGET_NR_getppid:
1874 ret = get_errno(getppid());
1875 break;
1876 case TARGET_NR_getpgrp:
1877 ret = get_errno(getpgrp());
1878 break;
1879 case TARGET_NR_setsid:
1880 ret = get_errno(setsid());
1881 break;
1882 case TARGET_NR_sigaction:
1883 {
1884 struct target_old_sigaction *old_act = (void *)arg2;
1885 struct target_old_sigaction *old_oact = (void *)arg3;
1886 struct target_sigaction act, oact, *pact;
1887 if (old_act) {
1888 act._sa_handler = old_act->_sa_handler;
1889 target_siginitset(&act.sa_mask, old_act->sa_mask);
1890 act.sa_flags = old_act->sa_flags;
1891 act.sa_restorer = old_act->sa_restorer;
1892 pact = &act;
1893 } else {
1894 pact = NULL;
1895 }
1896 ret = get_errno(do_sigaction(arg1, pact, &oact));
1897 if (!is_error(ret) && old_oact) {
1898 old_oact->_sa_handler = oact._sa_handler;
1899 old_oact->sa_mask = oact.sa_mask.sig[0];
1900 old_oact->sa_flags = oact.sa_flags;
1901 old_oact->sa_restorer = oact.sa_restorer;
1902 }
1903 }
1904 break;
1905 case TARGET_NR_rt_sigaction:
1906 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1907 break;
1908 case TARGET_NR_sgetmask:
1909 {
1910 sigset_t cur_set;
1911 target_ulong target_set;
1912 sigprocmask(0, NULL, &cur_set);
1913 host_to_target_old_sigset(&target_set, &cur_set);
1914 ret = target_set;
1915 }
1916 break;
1917 case TARGET_NR_ssetmask:
1918 {
1919 sigset_t set, oset, cur_set;
1920 target_ulong target_set = arg1;
1921 sigprocmask(0, NULL, &cur_set);
1922 target_to_host_old_sigset(&set, &target_set);
1923 sigorset(&set, &set, &cur_set);
1924 sigprocmask(SIG_SETMASK, &set, &oset);
1925 host_to_target_old_sigset(&target_set, &oset);
1926 ret = target_set;
1927 }
1928 break;
1929 case TARGET_NR_sigprocmask:
1930 {
1931 int how = arg1;
1932 sigset_t set, oldset, *set_ptr;
1933 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1934
1935 if (pset) {
1936 switch(how) {
1937 case TARGET_SIG_BLOCK:
1938 how = SIG_BLOCK;
1939 break;
1940 case TARGET_SIG_UNBLOCK:
1941 how = SIG_UNBLOCK;
1942 break;
1943 case TARGET_SIG_SETMASK:
1944 how = SIG_SETMASK;
1945 break;
1946 default:
1947 ret = -EINVAL;
1948 goto fail;
1949 }
1950 target_to_host_old_sigset(&set, pset);
1951 set_ptr = &set;
1952 } else {
1953 how = 0;
1954 set_ptr = NULL;
1955 }
1956 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1957 if (!is_error(ret) && poldset) {
1958 host_to_target_old_sigset(poldset, &oldset);
1959 }
1960 }
1961 break;
1962 case TARGET_NR_rt_sigprocmask:
1963 {
1964 int how = arg1;
1965 sigset_t set, oldset, *set_ptr;
1966 target_sigset_t *pset = (void *)arg2;
1967 target_sigset_t *poldset = (void *)arg3;
1968
1969 if (pset) {
1970 switch(how) {
1971 case TARGET_SIG_BLOCK:
1972 how = SIG_BLOCK;
1973 break;
1974 case TARGET_SIG_UNBLOCK:
1975 how = SIG_UNBLOCK;
1976 break;
1977 case TARGET_SIG_SETMASK:
1978 how = SIG_SETMASK;
1979 break;
1980 default:
1981 ret = -EINVAL;
1982 goto fail;
1983 }
1984 target_to_host_sigset(&set, pset);
1985 set_ptr = &set;
1986 } else {
1987 how = 0;
1988 set_ptr = NULL;
1989 }
1990 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1991 if (!is_error(ret) && poldset) {
1992 host_to_target_sigset(poldset, &oldset);
1993 }
1994 }
1995 break;
1996 case TARGET_NR_sigpending:
1997 {
1998 sigset_t set;
1999 ret = get_errno(sigpending(&set));
2000 if (!is_error(ret)) {
2001 host_to_target_old_sigset((target_ulong *)arg1, &set);
2002 }
2003 }
2004 break;
2005 case TARGET_NR_rt_sigpending:
2006 {
2007 sigset_t set;
2008 ret = get_errno(sigpending(&set));
2009 if (!is_error(ret)) {
2010 host_to_target_sigset((target_sigset_t *)arg1, &set);
2011 }
2012 }
2013 break;
2014 case TARGET_NR_sigsuspend:
2015 {
2016 sigset_t set;
2017 target_to_host_old_sigset(&set, (target_ulong *)arg1);
2018 ret = get_errno(sigsuspend(&set));
2019 }
2020 break;
2021 case TARGET_NR_rt_sigsuspend:
2022 {
2023 sigset_t set;
2024 target_to_host_sigset(&set, (target_sigset_t *)arg1);
2025 ret = get_errno(sigsuspend(&set));
2026 }
2027 break;
2028 case TARGET_NR_rt_sigtimedwait:
2029 {
2030 target_sigset_t *target_set = (void *)arg1;
2031 target_siginfo_t *target_uinfo = (void *)arg2;
2032 struct target_timespec *target_uts = (void *)arg3;
2033 sigset_t set;
2034 struct timespec uts, *puts;
2035 siginfo_t uinfo;
2036
2037 target_to_host_sigset(&set, target_set);
2038 if (target_uts) {
2039 puts = &uts;
2040 puts->tv_sec = tswapl(target_uts->tv_sec);
2041 puts->tv_nsec = tswapl(target_uts->tv_nsec);
2042 } else {
2043 puts = NULL;
2044 }
2045 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2046 if (!is_error(ret) && target_uinfo) {
2047 host_to_target_siginfo(target_uinfo, &uinfo);
2048 }
2049 }
2050 break;
2051 case TARGET_NR_rt_sigqueueinfo:
2052 {
2053 siginfo_t uinfo;
2054 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
2055 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2056 }
2057 break;
2058 case TARGET_NR_sigreturn:
2059 /* NOTE: ret is eax, so not transcoding must be done */
2060 ret = do_sigreturn(cpu_env);
2061 break;
2062 case TARGET_NR_rt_sigreturn:
2063 /* NOTE: ret is eax, so not transcoding must be done */
2064 ret = do_rt_sigreturn(cpu_env);
2065 break;
2066 case TARGET_NR_sethostname:
2067 ret = get_errno(sethostname((const char *)arg1, arg2));
2068 break;
2069 case TARGET_NR_setrlimit:
2070 {
2071 /* XXX: convert resource ? */
2072 int resource = arg1;
2073 struct target_rlimit *target_rlim = (void *)arg2;
2074 struct rlimit rlim;
2075 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2076 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2077 ret = get_errno(setrlimit(resource, &rlim));
2078 }
2079 break;
2080 case TARGET_NR_getrlimit:
2081 {
2082 /* XXX: convert resource ? */
2083 int resource = arg1;
2084 struct target_rlimit *target_rlim = (void *)arg2;
2085 struct rlimit rlim;
2086
2087 ret = get_errno(getrlimit(resource, &rlim));
2088 if (!is_error(ret)) {
2089 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2090 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2091 }
2092 }
2093 break;
2094 case TARGET_NR_getrusage:
2095 {
2096 struct rusage rusage;
2097 struct target_rusage *target_rusage = (void *)arg2;
2098 ret = get_errno(getrusage(arg1, &rusage));
2099 if (!is_error(ret)) {
2100 host_to_target_rusage(target_rusage, &rusage);
2101 }
2102 }
2103 break;
2104 case TARGET_NR_gettimeofday:
2105 {
2106 struct target_timeval *target_tv = (void *)arg1;
2107 struct timeval tv;
2108 ret = get_errno(gettimeofday(&tv, NULL));
2109 if (!is_error(ret)) {
2110 host_to_target_timeval(target_tv, &tv);
2111 }
2112 }
2113 break;
2114 case TARGET_NR_settimeofday:
2115 {
2116 struct target_timeval *target_tv = (void *)arg1;
2117 struct timeval tv;
2118 target_to_host_timeval(&tv, target_tv);
2119 ret = get_errno(settimeofday(&tv, NULL));
2120 }
2121 break;
2122 case TARGET_NR_select:
2123 {
2124 struct target_sel_arg_struct *sel = (void *)arg1;
2125 sel->n = tswapl(sel->n);
2126 sel->inp = tswapl(sel->inp);
2127 sel->outp = tswapl(sel->outp);
2128 sel->exp = tswapl(sel->exp);
2129 sel->tvp = tswapl(sel->tvp);
2130 ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp,
2131 (void *)sel->exp, (void *)sel->tvp);
2132 }
2133 break;
2134 case TARGET_NR_symlink:
2135 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
2136 break;
2137 #ifdef TARGET_NR_oldlstat
2138 case TARGET_NR_oldlstat:
2139 goto unimplemented;
2140 #endif
2141 case TARGET_NR_readlink:
2142 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
2143 break;
2144 case TARGET_NR_uselib:
2145 goto unimplemented;
2146 case TARGET_NR_swapon:
2147 ret = get_errno(swapon((const char *)arg1, arg2));
2148 break;
2149 case TARGET_NR_reboot:
2150 goto unimplemented;
2151 case TARGET_NR_readdir:
2152 goto unimplemented;
2153 case TARGET_NR_mmap:
2154 #if defined(TARGET_I386) || defined(TARGET_ARM)
2155 {
2156 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
2157 vptr = (uint32_t *)arg1;
2158 v1 = tswap32(vptr[0]);
2159 v2 = tswap32(vptr[1]);
2160 v3 = tswap32(vptr[2]);
2161 v4 = tswap32(vptr[3]);
2162 v5 = tswap32(vptr[4]);
2163 v6 = tswap32(vptr[5]);
2164 ret = get_errno(target_mmap(v1, v2, v3,
2165 target_to_host_bitmask(v4, mmap_flags_tbl),
2166 v5, v6));
2167 }
2168 #else
2169 ret = get_errno(target_mmap(arg1, arg2, arg3,
2170 target_to_host_bitmask(arg4, mmap_flags_tbl),
2171 arg5,
2172 arg6));
2173 #endif
2174 break;
2175 #ifdef TARGET_NR_mmap2
2176 case TARGET_NR_mmap2:
2177 #if defined(TARGET_SPARC)
2178 #define MMAP_SHIFT 12
2179 #else
2180 #define MMAP_SHIFT TARGET_PAGE_BITS
2181 #endif
2182 ret = get_errno(target_mmap(arg1, arg2, arg3,
2183 target_to_host_bitmask(arg4, mmap_flags_tbl),
2184 arg5,
2185 arg6 << MMAP_SHIFT));
2186 break;
2187 #endif
2188 case TARGET_NR_munmap:
2189 ret = get_errno(target_munmap(arg1, arg2));
2190 break;
2191 case TARGET_NR_mprotect:
2192 ret = get_errno(target_mprotect(arg1, arg2, arg3));
2193 break;
2194 case TARGET_NR_mremap:
2195 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
2196 break;
2197 case TARGET_NR_msync:
2198 ret = get_errno(msync((void *)arg1, arg2, arg3));
2199 break;
2200 case TARGET_NR_mlock:
2201 ret = get_errno(mlock((void *)arg1, arg2));
2202 break;
2203 case TARGET_NR_munlock:
2204 ret = get_errno(munlock((void *)arg1, arg2));
2205 break;
2206 case TARGET_NR_mlockall:
2207 ret = get_errno(mlockall(arg1));
2208 break;
2209 case TARGET_NR_munlockall:
2210 ret = get_errno(munlockall());
2211 break;
2212 case TARGET_NR_truncate:
2213 ret = get_errno(truncate((const char *)arg1, arg2));
2214 break;
2215 case TARGET_NR_ftruncate:
2216 ret = get_errno(ftruncate(arg1, arg2));
2217 break;
2218 case TARGET_NR_fchmod:
2219 ret = get_errno(fchmod(arg1, arg2));
2220 break;
2221 case TARGET_NR_getpriority:
2222 ret = get_errno(getpriority(arg1, arg2));
2223 break;
2224 case TARGET_NR_setpriority:
2225 ret = get_errno(setpriority(arg1, arg2, arg3));
2226 break;
2227 #ifdef TARGET_NR_profil
2228 case TARGET_NR_profil:
2229 goto unimplemented;
2230 #endif
2231 case TARGET_NR_statfs:
2232 stfs = (void *)arg2;
2233 ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
2234 convert_statfs:
2235 if (!is_error(ret)) {
2236 tswap32s(&stfs->f_type);
2237 tswap32s(&stfs->f_bsize);
2238 tswap32s(&stfs->f_blocks);
2239 tswap32s(&stfs->f_bfree);
2240 tswap32s(&stfs->f_bavail);
2241 tswap32s(&stfs->f_files);
2242 tswap32s(&stfs->f_ffree);
2243 tswap32s(&stfs->f_fsid.val[0]);
2244 tswap32s(&stfs->f_fsid.val[1]);
2245 tswap32s(&stfs->f_namelen);
2246 }
2247 break;
2248 case TARGET_NR_fstatfs:
2249 stfs = (void *)arg2;
2250 ret = get_errno(sys_fstatfs(arg1, stfs));
2251 goto convert_statfs;
2252 #ifdef TARGET_NR_ioperm
2253 case TARGET_NR_ioperm:
2254 goto unimplemented;
2255 #endif
2256 case TARGET_NR_socketcall:
2257 ret = do_socketcall(arg1, (int32_t *)arg2);
2258 break;
2259 case TARGET_NR_syslog:
2260 goto unimplemented;
2261 case TARGET_NR_setitimer:
2262 {
2263 struct target_itimerval *target_value = (void *)arg2;
2264 struct target_itimerval *target_ovalue = (void *)arg3;
2265 struct itimerval value, ovalue, *pvalue;
2266
2267 if (target_value) {
2268 pvalue = &value;
2269 target_to_host_timeval(&pvalue->it_interval,
2270 &target_value->it_interval);
2271 target_to_host_timeval(&pvalue->it_value,
2272 &target_value->it_value);
2273 } else {
2274 pvalue = NULL;
2275 }
2276 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
2277 if (!is_error(ret) && target_ovalue) {
2278 host_to_target_timeval(&target_ovalue->it_interval,
2279 &ovalue.it_interval);
2280 host_to_target_timeval(&target_ovalue->it_value,
2281 &ovalue.it_value);
2282 }
2283 }
2284 break;
2285 case TARGET_NR_getitimer:
2286 {
2287 struct target_itimerval *target_value = (void *)arg2;
2288 struct itimerval value;
2289
2290 ret = get_errno(getitimer(arg1, &value));
2291 if (!is_error(ret) && target_value) {
2292 host_to_target_timeval(&target_value->it_interval,
2293 &value.it_interval);
2294 host_to_target_timeval(&target_value->it_value,
2295 &value.it_value);
2296 }
2297 }
2298 break;
2299 case TARGET_NR_stat:
2300 ret = get_errno(stat(path((const char *)arg1), &st));
2301 goto do_stat;
2302 case TARGET_NR_lstat:
2303 ret = get_errno(lstat(path((const char *)arg1), &st));
2304 goto do_stat;
2305 case TARGET_NR_fstat:
2306 {
2307 ret = get_errno(fstat(arg1, &st));
2308 do_stat:
2309 if (!is_error(ret)) {
2310 struct target_stat *target_st = (void *)arg2;
2311 target_st->st_dev = tswap16(st.st_dev);
2312 target_st->st_ino = tswapl(st.st_ino);
2313 #if defined(TARGET_PPC)
2314 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2315 target_st->st_uid = tswap32(st.st_uid);
2316 target_st->st_gid = tswap32(st.st_gid);
2317 #else
2318 target_st->st_mode = tswap16(st.st_mode);
2319 target_st->st_uid = tswap16(st.st_uid);
2320 target_st->st_gid = tswap16(st.st_gid);
2321 #endif
2322 target_st->st_nlink = tswap16(st.st_nlink);
2323 target_st->st_rdev = tswap16(st.st_rdev);
2324 target_st->st_size = tswapl(st.st_size);
2325 target_st->st_blksize = tswapl(st.st_blksize);
2326 target_st->st_blocks = tswapl(st.st_blocks);
2327 target_st->target_st_atime = tswapl(st.st_atime);
2328 target_st->target_st_mtime = tswapl(st.st_mtime);
2329 target_st->target_st_ctime = tswapl(st.st_ctime);
2330 }
2331 }
2332 break;
2333 #ifdef TARGET_NR_olduname
2334 case TARGET_NR_olduname:
2335 goto unimplemented;
2336 #endif
2337 #ifdef TARGET_NR_iopl
2338 case TARGET_NR_iopl:
2339 goto unimplemented;
2340 #endif
2341 case TARGET_NR_vhangup:
2342 ret = get_errno(vhangup());
2343 break;
2344 #ifdef TARGET_NR_idle
2345 case TARGET_NR_idle:
2346 goto unimplemented;
2347 #endif
2348 #ifdef TARGET_NR_syscall
2349 case TARGET_NR_syscall:
2350 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
2351 break;
2352 #endif
2353 case TARGET_NR_wait4:
2354 {
2355 int status;
2356 target_long *status_ptr = (void *)arg2;
2357 struct rusage rusage, *rusage_ptr;
2358 struct target_rusage *target_rusage = (void *)arg4;
2359 if (target_rusage)
2360 rusage_ptr = &rusage;
2361 else
2362 rusage_ptr = NULL;
2363 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
2364 if (!is_error(ret)) {
2365 if (status_ptr)
2366 *status_ptr = tswap32(status);
2367 if (target_rusage) {
2368 host_to_target_rusage(target_rusage, &rusage);
2369 }
2370 }
2371 }
2372 break;
2373 case TARGET_NR_swapoff:
2374 ret = get_errno(swapoff((const char *)arg1));
2375 break;
2376 case TARGET_NR_sysinfo:
2377 {
2378 struct target_sysinfo *target_value = (void *)arg1;
2379 struct sysinfo value;
2380 ret = get_errno(sysinfo(&value));
2381 if (!is_error(ret) && target_value)
2382 {
2383 __put_user(value.uptime, &target_value->uptime);
2384 __put_user(value.loads[0], &target_value->loads[0]);
2385 __put_user(value.loads[1], &target_value->loads[1]);
2386 __put_user(value.loads[2], &target_value->loads[2]);
2387 __put_user(value.totalram, &target_value->totalram);
2388 __put_user(value.freeram, &target_value->freeram);
2389 __put_user(value.sharedram, &target_value->sharedram);
2390 __put_user(value.bufferram, &target_value->bufferram);
2391 __put_user(value.totalswap, &target_value->totalswap);
2392 __put_user(value.freeswap, &target_value->freeswap);
2393 __put_user(value.procs, &target_value->procs);
2394 __put_user(value.totalhigh, &target_value->totalhigh);
2395 __put_user(value.freehigh, &target_value->freehigh);
2396 __put_user(value.mem_unit, &target_value->mem_unit);
2397 }
2398 }
2399 break;
2400 case TARGET_NR_ipc:
2401 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
2402 break;
2403 case TARGET_NR_fsync:
2404 ret = get_errno(fsync(arg1));
2405 break;
2406 case TARGET_NR_clone:
2407 ret = get_errno(do_fork(cpu_env, arg1, arg2));
2408 break;
2409 #ifdef __NR_exit_group
2410 /* new thread calls */
2411 case TARGET_NR_exit_group:
2412 ret = get_errno(exit_group(arg1));
2413 break;
2414 #endif
2415 case TARGET_NR_setdomainname:
2416 ret = get_errno(setdomainname((const char *)arg1, arg2));
2417 break;
2418 case TARGET_NR_uname:
2419 /* no need to transcode because we use the linux syscall */
2420 {
2421 struct new_utsname * buf;
2422
2423 buf = (struct new_utsname *)arg1;
2424 ret = get_errno(sys_uname(buf));
2425 if (!is_error(ret)) {
2426 /* Overrite the native machine name with whatever is being
2427 emulated. */
2428 strcpy (buf->machine, UNAME_MACHINE);
2429 }
2430 }
2431 break;
2432 #ifdef TARGET_I386
2433 case TARGET_NR_modify_ldt:
2434 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
2435 break;
2436 case TARGET_NR_vm86old:
2437 goto unimplemented;
2438 case TARGET_NR_vm86:
2439 ret = do_vm86(cpu_env, arg1, (void *)arg2);
2440 break;
2441 #endif
2442 case TARGET_NR_adjtimex:
2443 goto unimplemented;
2444 case TARGET_NR_create_module:
2445 case TARGET_NR_init_module:
2446 case TARGET_NR_delete_module:
2447 case TARGET_NR_get_kernel_syms:
2448 goto unimplemented;
2449 case TARGET_NR_quotactl:
2450 goto unimplemented;
2451 case TARGET_NR_getpgid:
2452 ret = get_errno(getpgid(arg1));
2453 break;
2454 case TARGET_NR_fchdir:
2455 ret = get_errno(fchdir(arg1));
2456 break;
2457 case TARGET_NR_bdflush:
2458 goto unimplemented;
2459 case TARGET_NR_sysfs:
2460 goto unimplemented;
2461 case TARGET_NR_personality:
2462 ret = get_errno(personality(arg1));
2463 break;
2464 case TARGET_NR_afs_syscall:
2465 goto unimplemented;
2466 case TARGET_NR__llseek:
2467 {
2468 #if defined (__x86_64__)
2469 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2470 *(int64_t *)arg4 = ret;
2471 #else
2472 int64_t res;
2473 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2474 *(int64_t *)arg4 = tswap64(res);
2475 #endif
2476 }
2477 break;
2478 case TARGET_NR_getdents:
2479 #if TARGET_LONG_SIZE != 4
2480 #warning not supported
2481 #elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
2482 {
2483 struct target_dirent *target_dirp = (void *)arg2;
2484 struct dirent *dirp;
2485 long count = arg3;
2486
2487 dirp = malloc(count);
2488 if (!dirp)
2489 return -ENOMEM;
2490
2491 ret = get_errno(sys_getdents(arg1, dirp, count));
2492 if (!is_error(ret)) {
2493 struct dirent *de;
2494 struct target_dirent *tde;
2495 int len = ret;
2496 int reclen, treclen;
2497 int count1, tnamelen;
2498
2499 count1 = 0;
2500 de = dirp;
2501 tde = target_dirp;
2502 while (len > 0) {
2503 reclen = de->d_reclen;
2504 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
2505 tde->d_reclen = tswap16(treclen);
2506 tde->d_ino = tswapl(de->d_ino);
2507 tde->d_off = tswapl(de->d_off);
2508 tnamelen = treclen - (2 * sizeof(target_long) + 2);
2509 if (tnamelen > 256)
2510 tnamelen = 256;
2511 /* XXX: may not be correct */
2512 strncpy(tde->d_name, de->d_name, tnamelen);
2513 de = (struct dirent *)((char *)de + reclen);
2514 len -= reclen;
2515 tde = (struct dirent *)((char *)tde + treclen);
2516 count1 += treclen;
2517 }
2518 ret = count1;
2519 }
2520 free(dirp);
2521 }
2522 #else
2523 {
2524 struct dirent *dirp = (void *)arg2;
2525 long count = arg3;
2526
2527 ret = get_errno(sys_getdents(arg1, dirp, count));
2528 if (!is_error(ret)) {
2529 struct dirent *de;
2530 int len = ret;
2531 int reclen;
2532 de = dirp;
2533 while (len > 0) {
2534 reclen = de->d_reclen;
2535 if (reclen > len)
2536 break;
2537 de->d_reclen = tswap16(reclen);
2538 tswapls(&de->d_ino);
2539 tswapls(&de->d_off);
2540 de = (struct dirent *)((char *)de + reclen);
2541 len -= reclen;
2542 }
2543 }
2544 }
2545 #endif
2546 break;
2547 #ifdef TARGET_NR_getdents64
2548 case TARGET_NR_getdents64:
2549 {
2550 struct dirent64 *dirp = (void *)arg2;
2551 long count = arg3;
2552 ret = get_errno(sys_getdents64(arg1, dirp, count));
2553 if (!is_error(ret)) {
2554 struct dirent64 *de;
2555 int len = ret;
2556 int reclen;
2557 de = dirp;
2558 while (len > 0) {
2559 reclen = de->d_reclen;
2560 if (reclen > len)
2561 break;
2562 de->d_reclen = tswap16(reclen);
2563 tswap64s(&de->d_ino);
2564 tswap64s(&de->d_off);
2565 de = (struct dirent64 *)((char *)de + reclen);
2566 len -= reclen;
2567 }
2568 }
2569 }
2570 break;
2571 #endif /* TARGET_NR_getdents64 */
2572 case TARGET_NR__newselect:
2573 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
2574 (void *)arg5);
2575 break;
2576 case TARGET_NR_poll:
2577 {
2578 struct target_pollfd *target_pfd = (void *)arg1;
2579 unsigned int nfds = arg2;
2580 int timeout = arg3;
2581 struct pollfd *pfd;
2582 unsigned int i;
2583
2584 pfd = alloca(sizeof(struct pollfd) * nfds);
2585 for(i = 0; i < nfds; i++) {
2586 pfd[i].fd = tswap32(target_pfd[i].fd);
2587 pfd[i].events = tswap16(target_pfd[i].events);
2588 }
2589 ret = get_errno(poll(pfd, nfds, timeout));
2590 if (!is_error(ret)) {
2591 for(i = 0; i < nfds; i++) {
2592 target_pfd[i].revents = tswap16(pfd[i].revents);
2593 }
2594 }
2595 }
2596 break;
2597 case TARGET_NR_flock:
2598 /* NOTE: the flock constant seems to be the same for every
2599 Linux platform */
2600 ret = get_errno(flock(arg1, arg2));
2601 break;
2602 case TARGET_NR_readv:
2603 {
2604 int count = arg3;
2605 int i;
2606 struct iovec *vec;
2607 struct target_iovec *target_vec = (void *)arg2;
2608
2609 vec = alloca(count * sizeof(struct iovec));
2610 for(i = 0;i < count; i++) {
2611 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2612 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2613 }
2614 ret = get_errno(readv(arg1, vec, count));
2615 }
2616 break;
2617 case TARGET_NR_writev:
2618 {
2619 int count = arg3;
2620 int i;
2621 struct iovec *vec;
2622 struct target_iovec *target_vec = (void *)arg2;
2623
2624 vec = alloca(count * sizeof(struct iovec));
2625 for(i = 0;i < count; i++) {
2626 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2627 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2628 }
2629 ret = get_errno(writev(arg1, vec, count));
2630 }
2631 break;
2632 case TARGET_NR_getsid:
2633 ret = get_errno(getsid(arg1));
2634 break;
2635 case TARGET_NR_fdatasync:
2636 ret = get_errno(fdatasync(arg1));
2637 break;
2638 case TARGET_NR__sysctl:
2639 /* We don't implement this, but ENODIR is always a safe
2640 return value. */
2641 return -ENOTDIR;
2642 case TARGET_NR_sched_setparam:
2643 {
2644 struct sched_param *target_schp = (void *)arg2;
2645 struct sched_param schp;
2646 schp.sched_priority = tswap32(target_schp->sched_priority);
2647 ret = get_errno(sched_setparam(arg1, &schp));
2648 }
2649 break;
2650 case TARGET_NR_sched_getparam:
2651 {
2652 struct sched_param *target_schp = (void *)arg2;
2653 struct sched_param schp;
2654 ret = get_errno(sched_getparam(arg1, &schp));
2655 if (!is_error(ret)) {
2656 target_schp->sched_priority = tswap32(schp.sched_priority);
2657 }
2658 }
2659 break;
2660 case TARGET_NR_sched_setscheduler:
2661 {
2662 struct sched_param *target_schp = (void *)arg3;
2663 struct sched_param schp;
2664 schp.sched_priority = tswap32(target_schp->sched_priority);
2665 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2666 }
2667 break;
2668 case TARGET_NR_sched_getscheduler:
2669 ret = get_errno(sched_getscheduler(arg1));
2670 break;
2671 case TARGET_NR_sched_yield:
2672 ret = get_errno(sched_yield());
2673 break;
2674 case TARGET_NR_sched_get_priority_max:
2675 ret = get_errno(sched_get_priority_max(arg1));
2676 break;
2677 case TARGET_NR_sched_get_priority_min:
2678 ret = get_errno(sched_get_priority_min(arg1));
2679 break;
2680 case TARGET_NR_sched_rr_get_interval:
2681 {
2682 struct target_timespec *target_ts = (void *)arg2;
2683 struct timespec ts;
2684 ret = get_errno(sched_rr_get_interval(arg1, &ts));
2685 if (!is_error(ret)) {
2686 target_ts->tv_sec = tswapl(ts.tv_sec);
2687 target_ts->tv_nsec = tswapl(ts.tv_nsec);
2688 }
2689 }
2690 break;
2691 case TARGET_NR_nanosleep:
2692 {
2693 struct target_timespec *target_req = (void *)arg1;
2694 struct target_timespec *target_rem = (void *)arg2;
2695 struct timespec req, rem;
2696 req.tv_sec = tswapl(target_req->tv_sec);
2697 req.tv_nsec = tswapl(target_req->tv_nsec);
2698 ret = get_errno(nanosleep(&req, &rem));
2699 if (is_error(ret) && target_rem) {
2700 target_rem->tv_sec = tswapl(rem.tv_sec);
2701 target_rem->tv_nsec = tswapl(rem.tv_nsec);
2702 }
2703 }
2704 break;
2705 case TARGET_NR_query_module:
2706 goto unimplemented;
2707 case TARGET_NR_nfsservctl:
2708 goto unimplemented;
2709 case TARGET_NR_prctl:
2710 goto unimplemented;
2711 #ifdef TARGET_NR_pread
2712 case TARGET_NR_pread:
2713 page_unprotect_range((void *)arg2, arg3);
2714 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
2715 break;
2716 case TARGET_NR_pwrite:
2717 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
2718 break;
2719 #endif
2720 case TARGET_NR_getcwd:
2721 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
2722 break;
2723 case TARGET_NR_capget:
2724 goto unimplemented;
2725 case TARGET_NR_capset:
2726 goto unimplemented;
2727 case TARGET_NR_sigaltstack:
2728 goto unimplemented;
2729 case TARGET_NR_sendfile:
2730 goto unimplemented;
2731 #ifdef TARGET_NR_getpmsg
2732 case TARGET_NR_getpmsg:
2733 goto unimplemented;
2734 #endif
2735 #ifdef TARGET_NR_putpmsg
2736 case TARGET_NR_putpmsg:
2737 goto unimplemented;
2738 #endif
2739 case TARGET_NR_vfork:
2740 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
2741 break;
2742 #ifdef TARGET_NR_ugetrlimit
2743 case TARGET_NR_ugetrlimit:
2744 {
2745 struct rlimit rlim;
2746 ret = get_errno(getrlimit(arg1, &rlim));
2747 if (!is_error(ret)) {
2748 struct target_rlimit *target_rlim = (void *)arg2;
2749 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2750 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2751 }
2752 break;
2753 }
2754 #endif
2755 #ifdef TARGET_NR_truncate64
2756 case TARGET_NR_truncate64:
2757 goto unimplemented;
2758 #endif
2759 #ifdef TARGET_NR_ftruncate64
2760 case TARGET_NR_ftruncate64:
2761 goto unimplemented;
2762 #endif
2763 #ifdef TARGET_NR_stat64
2764 case TARGET_NR_stat64:
2765 ret = get_errno(stat(path((const char *)arg1), &st));
2766 goto do_stat64;
2767 #endif
2768 #ifdef TARGET_NR_lstat64
2769 case TARGET_NR_lstat64:
2770 ret = get_errno(lstat(path((const char *)arg1), &st));
2771 goto do_stat64;
2772 #endif
2773 #ifdef TARGET_NR_fstat64
2774 case TARGET_NR_fstat64:
2775 {
2776 ret = get_errno(fstat(arg1, &st));
2777 do_stat64:
2778 if (!is_error(ret)) {
2779 struct target_stat64 *target_st = (void *)arg2;
2780 memset(target_st, 0, sizeof(struct target_stat64));
2781 put_user(st.st_dev, &target_st->st_dev);
2782 put_user(st.st_ino, &target_st->st_ino);
2783 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2784 put_user(st.st_ino, &target_st->__st_ino);
2785 #endif
2786 put_user(st.st_mode, &target_st->st_mode);
2787 put_user(st.st_nlink, &target_st->st_nlink);
2788 put_user(st.st_uid, &target_st->st_uid);
2789 put_user(st.st_gid, &target_st->st_gid);
2790 put_user(st.st_rdev, &target_st->st_rdev);
2791 /* XXX: better use of kernel struct */
2792 put_user(st.st_size, &target_st->st_size);
2793 put_user(st.st_blksize, &target_st->st_blksize);
2794 put_user(st.st_blocks, &target_st->st_blocks);
2795 put_user(st.st_atime, &target_st->target_st_atime);
2796 put_user(st.st_mtime, &target_st->target_st_mtime);
2797 put_user(st.st_ctime, &target_st->target_st_ctime);
2798 }
2799 }
2800 break;
2801 #endif
2802 #ifdef USE_UID16
2803 case TARGET_NR_lchown:
2804 ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2805 break;
2806 case TARGET_NR_getuid:
2807 ret = get_errno(high2lowuid(getuid()));
2808 break;
2809 case TARGET_NR_getgid:
2810 ret = get_errno(high2lowgid(getgid()));
2811 break;
2812 case TARGET_NR_geteuid:
2813 ret = get_errno(high2lowuid(geteuid()));
2814 break;
2815 case TARGET_NR_getegid:
2816 ret = get_errno(high2lowgid(getegid()));
2817 break;
2818 case TARGET_NR_setreuid:
2819 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
2820 break;
2821 case TARGET_NR_setregid:
2822 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
2823 break;
2824 case TARGET_NR_getgroups:
2825 {
2826 int gidsetsize = arg1;
2827 uint16_t *target_grouplist = (void *)arg2;
2828 gid_t *grouplist;
2829 int i;
2830
2831 grouplist = alloca(gidsetsize * sizeof(gid_t));
2832 ret = get_errno(getgroups(gidsetsize, grouplist));
2833 if (!is_error(ret)) {
2834 for(i = 0;i < gidsetsize; i++)
2835 target_grouplist[i] = tswap16(grouplist[i]);
2836 }
2837 }
2838 break;
2839 case TARGET_NR_setgroups:
2840 {
2841 int gidsetsize = arg1;
2842 uint16_t *target_grouplist = (void *)arg2;
2843 gid_t *grouplist;
2844 int i;
2845
2846 grouplist = alloca(gidsetsize * sizeof(gid_t));
2847 for(i = 0;i < gidsetsize; i++)
2848 grouplist[i] = tswap16(target_grouplist[i]);
2849 ret = get_errno(setgroups(gidsetsize, grouplist));
2850 }
2851 break;
2852 case TARGET_NR_fchown:
2853 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
2854 break;
2855 #ifdef TARGET_NR_setresuid
2856 case TARGET_NR_setresuid:
2857 ret = get_errno(setresuid(low2highuid(arg1),
2858 low2highuid(arg2),
2859 low2highuid(arg3)));
2860 break;
2861 #endif
2862 #ifdef TARGET_NR_getresuid
2863 case TARGET_NR_getresuid:
2864 {
2865 int ruid, euid, suid;
2866 ret = get_errno(getresuid(&ruid, &euid, &suid));
2867 if (!is_error(ret)) {
2868 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2869 *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2870 *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2871 }
2872 }
2873 break;
2874 #endif
2875 #ifdef TARGET_NR_getresgid
2876 case TARGET_NR_setresgid:
2877 ret = get_errno(setresgid(low2highgid(arg1),
2878 low2highgid(arg2),
2879 low2highgid(arg3)));
2880 break;
2881 #endif
2882 #ifdef TARGET_NR_getresgid
2883 case TARGET_NR_getresgid:
2884 {
2885 int rgid, egid, sgid;
2886 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2887 if (!is_error(ret)) {
2888 *(uint16_t *)arg1 = tswap16(high2lowgid(rgid));
2889 *(uint16_t *)arg2 = tswap16(high2lowgid(egid));
2890 *(uint16_t *)arg3 = tswap16(high2lowgid(sgid));
2891 }
2892 }
2893 break;
2894 #endif
2895 case TARGET_NR_chown:
2896 ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2897 break;
2898 case TARGET_NR_setuid:
2899 ret = get_errno(setuid(low2highuid(arg1)));
2900 break;
2901 case TARGET_NR_setgid:
2902 ret = get_errno(setgid(low2highgid(arg1)));
2903 break;
2904 case TARGET_NR_setfsuid:
2905 ret = get_errno(setfsuid(arg1));
2906 break;
2907 case TARGET_NR_setfsgid:
2908 ret = get_errno(setfsgid(arg1));
2909 break;
2910 #endif /* USE_UID16 */
2911
2912 #ifdef TARGET_NR_lchown32
2913 case TARGET_NR_lchown32:
2914 ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2915 break;
2916 #endif
2917 #ifdef TARGET_NR_getuid32
2918 case TARGET_NR_getuid32:
2919 ret = get_errno(getuid());
2920 break;
2921 #endif
2922 #ifdef TARGET_NR_getgid32
2923 case TARGET_NR_getgid32:
2924 ret = get_errno(getgid());
2925 break;
2926 #endif
2927 #ifdef TARGET_NR_geteuid32
2928 case TARGET_NR_geteuid32:
2929 ret = get_errno(geteuid());
2930 break;
2931 #endif
2932 #ifdef TARGET_NR_getegid32
2933 case TARGET_NR_getegid32:
2934 ret = get_errno(getegid());
2935 break;
2936 #endif
2937 #ifdef TARGET_NR_setreuid32
2938 case TARGET_NR_setreuid32:
2939 ret = get_errno(setreuid(arg1, arg2));
2940 break;
2941 #endif
2942 #ifdef TARGET_NR_setregid32
2943 case TARGET_NR_setregid32:
2944 ret = get_errno(setregid(arg1, arg2));
2945 break;
2946 #endif
2947 #ifdef TARGET_NR_getgroups32
2948 case TARGET_NR_getgroups32:
2949 {
2950 int gidsetsize = arg1;
2951 uint32_t *target_grouplist = (void *)arg2;
2952 gid_t *grouplist;
2953 int i;
2954
2955 grouplist = alloca(gidsetsize * sizeof(gid_t));
2956 ret = get_errno(getgroups(gidsetsize, grouplist));
2957 if (!is_error(ret)) {
2958 for(i = 0;i < gidsetsize; i++)
2959 put_user(grouplist[i], &target_grouplist[i]);
2960 }
2961 }
2962 break;
2963 #endif
2964 #ifdef TARGET_NR_setgroups32
2965 case TARGET_NR_setgroups32:
2966 {
2967 int gidsetsize = arg1;
2968 uint32_t *target_grouplist = (void *)arg2;
2969 gid_t *grouplist;
2970 int i;
2971
2972 grouplist = alloca(gidsetsize * sizeof(gid_t));
2973 for(i = 0;i < gidsetsize; i++)
2974 get_user(grouplist[i], &target_grouplist[i]);
2975 ret = get_errno(setgroups(gidsetsize, grouplist));
2976 }
2977 break;
2978 #endif
2979 #ifdef TARGET_NR_fchown32
2980 case TARGET_NR_fchown32:
2981 ret = get_errno(fchown(arg1, arg2, arg3));
2982 break;
2983 #endif
2984 #ifdef TARGET_NR_setresuid32
2985 case TARGET_NR_setresuid32:
2986 ret = get_errno(setresuid(arg1, arg2, arg3));
2987 break;
2988 #endif
2989 #ifdef TARGET_NR_getresuid32
2990 case TARGET_NR_getresuid32:
2991 {
2992 int ruid, euid, suid;
2993 ret = get_errno(getresuid(&ruid, &euid, &suid));
2994 if (!is_error(ret)) {
2995 *(uint32_t *)arg1 = tswap32(ruid);
2996 *(uint32_t *)arg2 = tswap32(euid);
2997 *(uint32_t *)arg3 = tswap32(suid);
2998 }
2999 }
3000 break;
3001 #endif
3002 #ifdef TARGET_NR_setresgid32
3003 case TARGET_NR_setresgid32:
3004 ret = get_errno(setresgid(arg1, arg2, arg3));
3005 break;
3006 #endif
3007 #ifdef TARGET_NR_getresgid32
3008 case TARGET_NR_getresgid32:
3009 {
3010 int rgid, egid, sgid;
3011 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3012 if (!is_error(ret)) {
3013 *(uint32_t *)arg1 = tswap32(rgid);
3014 *(uint32_t *)arg2 = tswap32(egid);
3015 *(uint32_t *)arg3 = tswap32(sgid);
3016 }
3017 }
3018 break;
3019 #endif
3020 #ifdef TARGET_NR_chown32
3021 case TARGET_NR_chown32:
3022 ret = get_errno(chown((const char *)arg1, arg2, arg3));
3023 break;
3024 #endif
3025 #ifdef TARGET_NR_setuid32
3026 case TARGET_NR_setuid32:
3027 ret = get_errno(setuid(arg1));
3028 break;
3029 #endif
3030 #ifdef TARGET_NR_setgid32
3031 case TARGET_NR_setgid32:
3032 ret = get_errno(setgid(arg1));
3033 break;
3034 #endif
3035 #ifdef TARGET_NR_setfsuid32
3036 case TARGET_NR_setfsuid32:
3037 ret = get_errno(setfsuid(arg1));
3038 break;
3039 #endif
3040 #ifdef TARGET_NR_setfsgid32
3041 case TARGET_NR_setfsgid32:
3042 ret = get_errno(setfsgid(arg1));
3043 break;
3044 #endif
3045
3046 case TARGET_NR_pivot_root:
3047 goto unimplemented;
3048 #ifdef TARGET_NR_mincore
3049 case TARGET_NR_mincore:
3050 goto unimplemented;
3051 #endif
3052 #ifdef TARGET_NR_madvise
3053 case TARGET_NR_madvise:
3054 goto unimplemented;
3055 #endif
3056 #if TARGET_LONG_BITS == 32
3057 case TARGET_NR_fcntl64:
3058 {
3059 struct flock64 fl;
3060 struct target_flock64 *target_fl = (void *)arg3;
3061
3062 switch(arg2) {
3063 case F_GETLK64:
3064 ret = get_errno(fcntl(arg1, arg2, &fl));
3065 if (ret == 0) {
3066 target_fl->l_type = tswap16(fl.l_type);
3067 target_fl->l_whence = tswap16(fl.l_whence);
3068 target_fl->l_start = tswap64(fl.l_start);
3069 target_fl->l_len = tswap64(fl.l_len);
3070 target_fl->l_pid = tswapl(fl.l_pid);
3071 }
3072 break;
3073
3074 case F_SETLK64:
3075 case F_SETLKW64:
3076 fl.l_type = tswap16(target_fl->l_type);
3077 fl.l_whence = tswap16(target_fl->l_whence);
3078 fl.l_start = tswap64(target_fl->l_start);
3079 fl.l_len = tswap64(target_fl->l_len);
3080 fl.l_pid = tswapl(target_fl->l_pid);
3081 ret = get_errno(fcntl(arg1, arg2, &fl));
3082 break;
3083 default:
3084 ret = get_errno(do_fcntl(arg1, arg2, arg3));
3085 break;
3086 }
3087 break;
3088 }
3089 #endif
3090 #ifdef TARGET_NR_security
3091 case TARGET_NR_security:
3092 goto unimplemented;
3093 #endif
3094 #ifdef TARGET_NR_getpagesize
3095 case TARGET_NR_getpagesize:
3096 ret = TARGET_PAGE_SIZE;
3097 break;
3098 #endif
3099 case TARGET_NR_gettid:
3100 ret = get_errno(gettid());
3101 break;
3102 case TARGET_NR_readahead:
3103 goto unimplemented;
3104 #ifdef TARGET_NR_setxattr
3105 case TARGET_NR_setxattr:
3106 case TARGET_NR_lsetxattr:
3107 case TARGET_NR_fsetxattr:
3108 case TARGET_NR_getxattr:
3109 case TARGET_NR_lgetxattr:
3110 case TARGET_NR_fgetxattr:
3111 case TARGET_NR_listxattr:
3112 case TARGET_NR_llistxattr:
3113 case TARGET_NR_flistxattr:
3114 case TARGET_NR_removexattr:
3115 case TARGET_NR_lremovexattr:
3116 case TARGET_NR_fremovexattr:
3117 goto unimplemented_nowarn;
3118 #endif
3119 #ifdef TARGET_NR_set_thread_area
3120 case TARGET_NR_set_thread_area:
3121 case TARGET_NR_get_thread_area:
3122 goto unimplemented_nowarn;
3123 #endif
3124 default:
3125 unimplemented:
3126 gemu_log("qemu: Unsupported syscall: %d\n", num);
3127 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area)
3128 unimplemented_nowarn:
3129 #endif
3130 ret = -ENOSYS;
3131 break;
3132 }
3133 fail:
3134 #ifdef DEBUG
3135 gemu_log(" = %ld\n", ret);
3136 #endif
3137 return ret;
3138 }
3139
Qemu copy for testing