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big endian ARM support (Lennert Buytenhek)
[qemu.git] / linux-user / syscall.c
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31e31b8a
FB		 1/*
2 * Linux syscalls
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
31e31b8a
FB		 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>
9de5e440 42#include <sys/poll.h>
32f36bce 43#include <sys/times.h>
8853f86e 44#include <sys/shm.h>
ebc05488 45#include <utime.h>
a5448a7d 46#include <sys/sysinfo.h>
72f03900 47//#include <sys/user.h>
8853f86e 48#include <netinet/ip.h>
7854b056 49#include <netinet/tcp.h>
31e31b8a
FB		 50
51#define termios host_termios
52#define winsize host_winsize
53#define termio host_termio
04369ff2
FB		 54#define sgttyb host_sgttyb /* same as target */
55#define tchars host_tchars /* same as target */
56#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 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>
dab2ed99 64#include <linux/dirent.h>
19b84f3c 65#include <linux/kd.h>
31e31b8a 66
3ef693a0 67#include "qemu.h"
31e31b8a 68
72f03900 69//#define DEBUG
31e31b8a 70
67867308
FB		 71#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC)
72/* 16 bit uid wrappers emulation */
73#define USE_UID16
74#endif
75
1a9353d2
FB		 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
70a194b9
FB		 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) \
167type name(void) \
168{ \
169 __syscall_nr(0, type, name); \
170}
171
172#define _syscall1(type,name,type1,arg1) \
173type name(type1 arg1) \
174{ \
175 __syscall_nr(1, type, name, arg1); \
176}
177
178#define _syscall2(type,name,type1,arg1,type2,arg2) \
179type 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) \
185type 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) \
191type 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) \
197type 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
31e31b8a 203#define __NR_sys_uname __NR_uname
72f03900 204#define __NR_sys_getcwd1 __NR_getcwd
31e31b8a
FB		 205#define __NR_sys_statfs __NR_statfs
206#define __NR_sys_fstatfs __NR_fstatfs
72f03900 207#define __NR_sys_getdents __NR_getdents
dab2ed99 208#define __NR_sys_getdents64 __NR_getdents64
66fb9763 209#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
31e31b8a 210
bc51c5c9 211#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 212#define __NR__llseek __NR_lseek
213#endif
214
72f03900 215#ifdef __NR_gettid
31e31b8a 216_syscall0(int, gettid)
72f03900
FB		 217#else
218static int gettid(void) {
219 return -ENOSYS;
220}
221#endif
31e31b8a 222_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB		 223_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
224_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
dab2ed99 225_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
31e31b8a
FB		 226_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
227 loff_t *, res, uint, wh);
72f03900
FB		 228_syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
229_syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
66fb9763 230_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
ec86b0fb
FB		 231#ifdef __NR_exit_group
232_syscall1(int,exit_group,int,error_code)
233#endif
66fb9763
FB		 234
235extern int personality(int);
9de5e440
FB		 236extern int flock(int, int);
237extern int setfsuid(int);
238extern int setfsgid(int);
5cd4393b
FB		 239extern int setresuid(uid_t, uid_t, uid_t);
240extern int getresuid(uid_t *, uid_t *, uid_t *);
241extern int setresgid(gid_t, gid_t, gid_t);
242extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 243extern int setgroups(int, gid_t *);
31e31b8a
FB		 244
245static inline long get_errno(long ret)
246{
247 if (ret == -1)
248 return -errno;
249 else
250 return ret;
251}
252
253static inline int is_error(long ret)
254{
255 return (unsigned long)ret >= (unsigned long)(-4096);
256}
257
258static char *target_brk;
259static char *target_original_brk;
260
261void target_set_brk(char *new_brk)
262{
263 target_brk = new_brk;
264 target_original_brk = new_brk;
265}
266
267static 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
54936004 278 brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
31e31b8a
FB		 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... */
54936004
FB		 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));
31e31b8a
FB		 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
299static inline fd_set *target_to_host_fds(fd_set *fds,
300 target_long *target_fds, int n)
301{
7854b056 302#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 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
321static inline void host_to_target_fds(target_long *target_fds,
322 fd_set *fds, int n)
323{
7854b056 324#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 325 /* nothing to do */
326#else
327 int i, nw, j, k;
328 target_long v;
329
330 if (target_fds) {
8853f86e 331 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
31e31b8a
FB		 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
c596ed17
FB		 345#if defined(__alpha__)
346#define HOST_HZ 1024
347#else
348#define HOST_HZ 100
349#endif
350
351static 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
b409186b
FB		 360static 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
66fb9763 383static inline void target_to_host_timeval(struct timeval *tv,
5cd4393b 384 const struct target_timeval *target_tv)
31e31b8a 385{
66fb9763
FB		 386 tv->tv_sec = tswapl(target_tv->tv_sec);
387 tv->tv_usec = tswapl(target_tv->tv_usec);
31e31b8a
FB		 388}
389
66fb9763 390static inline void host_to_target_timeval(struct target_timeval *target_tv,
5cd4393b 391 const struct timeval *tv)
31e31b8a 392{
66fb9763
FB		 393 target_tv->tv_sec = tswapl(tv->tv_sec);
394 target_tv->tv_usec = tswapl(tv->tv_usec);
31e31b8a
FB		 395}
396
397
398static 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) {
5cd4393b 412 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 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) {
5cd4393b 424 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 425 }
426 }
427 return ret;
428}
429
7854b056
FB		 430static 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
438static 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
446static 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
490static 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
533static long do_setsockopt(int sockfd, int level, int optname,
534 void *optval, socklen_t optlen)
535{
8853f86e
FB		 536 int val, ret;
537
538 switch(level) {
539 case SOL_TCP:
7854b056 540 /* TCP options all take an 'int' value. */
7854b056
FB		 541 if (optlen < sizeof(uint32_t))
542 return -EINVAL;
8853f86e
FB		 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 case SO_BSDCOMPAT:
581 case SO_PASSCRED:
582 case SO_TIMESTAMP:
583 case SO_RCVLOWAT:
584 case SO_RCVTIMEO:
585 case SO_SNDTIMEO:
586 if (optlen < sizeof(uint32_t))
587 return -EINVAL;
588 if (get_user(val, (uint32_t *)optval))
589 return -EFAULT;
590 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
591 break;
592 default:
593 goto unimplemented;
594 }
595 break;
7854b056 596 default:
8853f86e
FB		 597 unimplemented:
598 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
599 ret = -ENOSYS;
7854b056 600 }
8853f86e 601 return ret;
7854b056
FB		 602}
603
604static long do_getsockopt(int sockfd, int level, int optname,
605 void *optval, socklen_t *optlen)
606{
8853f86e
FB		 607 int len, lv, val, ret;
608
609 switch(level) {
610 case SOL_SOCKET:
611 switch (optname) {
612 case SO_LINGER:
613 case SO_RCVTIMEO:
614 case SO_SNDTIMEO:
615 case SO_PEERCRED:
616 case SO_PEERNAME:
617 /* These don't just return a single integer */
618 goto unimplemented;
619 default:
620 if (get_user(len, optlen))
621 return -EFAULT;
622 if (len < 0)
623 return -EINVAL;
624 lv = sizeof(int);
625 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
626 if (ret < 0)
627 return ret;
628 val = tswap32(val);
629 if (len > lv)
630 len = lv;
631 if (copy_to_user(optval, &val, len))
632 return -EFAULT;
633 if (put_user(len, optlen))
634 return -EFAULT;
635 break;
636 }
637 break;
638 default:
639 unimplemented:
640 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
641 level, optname);
642 ret = -ENOSYS;
643 break;
644 }
645 return ret;
7854b056
FB		 646}
647
648static long do_socketcall(int num, int32_t *vptr)
31e31b8a
FB		 649{
650 long ret;
651
652 switch(num) {
653 case SOCKOP_socket:
7854b056
FB		 654 {
655 int domain = tswap32(vptr[0]);
656 int type = tswap32(vptr[1]);
657 int protocol = tswap32(vptr[2]);
658
659 ret = get_errno(socket(domain, type, protocol));
660 }
31e31b8a
FB		 661 break;
662 case SOCKOP_bind:
7854b056
FB		 663 {
664 int sockfd = tswap32(vptr[0]);
665 void *target_addr = (void *)tswap32(vptr[1]);
666 socklen_t addrlen = tswap32(vptr[2]);
667 void *addr = alloca(addrlen);
668
669 target_to_host_sockaddr(addr, target_addr, addrlen);
670 ret = get_errno(bind(sockfd, addr, addrlen));
671 }
31e31b8a
FB		 672 break;
673 case SOCKOP_connect:
7854b056
FB		 674 {
675 int sockfd = tswap32(vptr[0]);
676 void *target_addr = (void *)tswap32(vptr[1]);
677 socklen_t addrlen = tswap32(vptr[2]);
678 void *addr = alloca(addrlen);
679
680 target_to_host_sockaddr(addr, target_addr, addrlen);
681 ret = get_errno(connect(sockfd, addr, addrlen));
682 }
31e31b8a
FB		 683 break;
684 case SOCKOP_listen:
7854b056
FB		 685 {
686 int sockfd = tswap32(vptr[0]);
687 int backlog = tswap32(vptr[1]);
688
689 ret = get_errno(listen(sockfd, backlog));
690 }
31e31b8a
FB		 691 break;
692 case SOCKOP_accept:
693 {
7854b056
FB		 694 int sockfd = tswap32(vptr[0]);
695 void *target_addr = (void *)tswap32(vptr[1]);
696 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
697 socklen_t addrlen = tswap32(*target_addrlen);
698 void *addr = alloca(addrlen);
699
700 ret = get_errno(accept(sockfd, addr, &addrlen));
701 if (!is_error(ret)) {
702 host_to_target_sockaddr(target_addr, addr, addrlen);
703 *target_addrlen = tswap32(addrlen);
704 }
31e31b8a
FB		 705 }
706 break;
707 case SOCKOP_getsockname:
708 {
7854b056
FB		 709 int sockfd = tswap32(vptr[0]);
710 void *target_addr = (void *)tswap32(vptr[1]);
711 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
712 socklen_t addrlen = tswap32(*target_addrlen);
713 void *addr = alloca(addrlen);
714
715 ret = get_errno(getsockname(sockfd, addr, &addrlen));
716 if (!is_error(ret)) {
717 host_to_target_sockaddr(target_addr, addr, addrlen);
718 *target_addrlen = tswap32(addrlen);
719 }
31e31b8a
FB		 720 }
721 break;
722 case SOCKOP_getpeername:
723 {
7854b056
FB		 724 int sockfd = tswap32(vptr[0]);
725 void *target_addr = (void *)tswap32(vptr[1]);
726 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
727 socklen_t addrlen = tswap32(*target_addrlen);
728 void *addr = alloca(addrlen);
729
730 ret = get_errno(getpeername(sockfd, addr, &addrlen));
731 if (!is_error(ret)) {
732 host_to_target_sockaddr(target_addr, addr, addrlen);
733 *target_addrlen = tswap32(addrlen);
734 }
31e31b8a
FB		 735 }
736 break;
737 case SOCKOP_socketpair:
738 {
7854b056
FB		 739 int domain = tswap32(vptr[0]);
740 int type = tswap32(vptr[1]);
741 int protocol = tswap32(vptr[2]);
742 int32_t *target_tab = (void *)tswap32(vptr[3]);
31e31b8a 743 int tab[2];
7854b056
FB		 744
745 ret = get_errno(socketpair(domain, type, protocol, tab));
31e31b8a
FB		 746 if (!is_error(ret)) {
747 target_tab[0] = tswap32(tab[0]);
748 target_tab[1] = tswap32(tab[1]);
749 }
750 }
751 break;
752 case SOCKOP_send:
7854b056
FB		 753 {
754 int sockfd = tswap32(vptr[0]);
755 void *msg = (void *)tswap32(vptr[1]);
756 size_t len = tswap32(vptr[2]);
757 int flags = tswap32(vptr[3]);
758
759 ret = get_errno(send(sockfd, msg, len, flags));
760 }
31e31b8a
FB		 761 break;
762 case SOCKOP_recv:
7854b056
FB		 763 {
764 int sockfd = tswap32(vptr[0]);
765 void *msg = (void *)tswap32(vptr[1]);
766 size_t len = tswap32(vptr[2]);
767 int flags = tswap32(vptr[3]);
768
769 ret = get_errno(recv(sockfd, msg, len, flags));
770 }
31e31b8a
FB		 771 break;
772 case SOCKOP_sendto:
7854b056
FB		 773 {
774 int sockfd = tswap32(vptr[0]);
775 void *msg = (void *)tswap32(vptr[1]);
776 size_t len = tswap32(vptr[2]);
777 int flags = tswap32(vptr[3]);
778 void *target_addr = (void *)tswap32(vptr[4]);
779 socklen_t addrlen = tswap32(vptr[5]);
780 void *addr = alloca(addrlen);
781
782 target_to_host_sockaddr(addr, target_addr, addrlen);
783 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
784 }
31e31b8a
FB		 785 break;
786 case SOCKOP_recvfrom:
787 {
7854b056
FB		 788 int sockfd = tswap32(vptr[0]);
789 void *msg = (void *)tswap32(vptr[1]);
790 size_t len = tswap32(vptr[2]);
791 int flags = tswap32(vptr[3]);
792 void *target_addr = (void *)tswap32(vptr[4]);
793 uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
794 socklen_t addrlen = tswap32(*target_addrlen);
795 void *addr = alloca(addrlen);
796
797 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
798 if (!is_error(ret)) {
799 host_to_target_sockaddr(target_addr, addr, addrlen);
800 *target_addrlen = tswap32(addrlen);
801 }
31e31b8a
FB		 802 }
803 break;
804 case SOCKOP_shutdown:
7854b056
FB		 805 {
806 int sockfd = tswap32(vptr[0]);
807 int how = tswap32(vptr[1]);
808
809 ret = get_errno(shutdown(sockfd, how));
810 }
31e31b8a
FB		 811 break;
812 case SOCKOP_sendmsg:
813 case SOCKOP_recvmsg:
1a9353d2
FB		 814 {
815 int fd;
816 struct target_msghdr *msgp;
817 struct msghdr msg;
818 int flags, count, i;
819 struct iovec *vec;
820 struct target_iovec *target_vec;
821
7854b056 822 msgp = (void *)tswap32(vptr[1]);
1a9353d2
FB		 823 msg.msg_name = (void *)tswapl(msgp->msg_name);
824 msg.msg_namelen = tswapl(msgp->msg_namelen);
7854b056
FB		 825 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
826 msg.msg_control = alloca(msg.msg_controllen);
1a9353d2
FB		 827 msg.msg_flags = tswap32(msgp->msg_flags);
828
829 count = tswapl(msgp->msg_iovlen);
830 vec = alloca(count * sizeof(struct iovec));
831 target_vec = (void *)tswapl(msgp->msg_iov);
832 for(i = 0;i < count; i++) {
833 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
834 vec[i].iov_len = tswapl(target_vec[i].iov_len);
835 }
836 msg.msg_iovlen = count;
837 msg.msg_iov = vec;
838
7854b056
FB		 839 fd = tswap32(vptr[0]);
840 flags = tswap32(vptr[2]);
841 if (num == SOCKOP_sendmsg) {
842 target_to_host_cmsg(&msg, msgp);
843 ret = get_errno(sendmsg(fd, &msg, flags));
844 } else {
845 ret = get_errno(recvmsg(fd, &msg, flags));
846 if (!is_error(ret))
847 host_to_target_cmsg(msgp, &msg);
848 }
1a9353d2
FB		 849 }
850 break;
31e31b8a 851 case SOCKOP_setsockopt:
7854b056
FB		 852 {
853 int sockfd = tswap32(vptr[0]);
854 int level = tswap32(vptr[1]);
855 int optname = tswap32(vptr[2]);
856 void *optval = (void *)tswap32(vptr[3]);
857 socklen_t optlen = tswap32(vptr[4]);
858
859 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
860 }
861 break;
31e31b8a 862 case SOCKOP_getsockopt:
7854b056
FB		 863 {
864 int sockfd = tswap32(vptr[0]);
865 int level = tswap32(vptr[1]);
866 int optname = tswap32(vptr[2]);
867 void *optval = (void *)tswap32(vptr[3]);
8853f86e 868 uint32_t *poptlen = (void *)tswap32(vptr[4]);
7854b056 869
8853f86e 870 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
7854b056
FB		 871 }
872 break;
31e31b8a
FB		 873 default:
874 gemu_log("Unsupported socketcall: %d\n", num);
875 ret = -ENOSYS;
876 break;
877 }
878 return ret;
879}
880
8853f86e
FB		 881
882#define N_SHM_REGIONS 32
883
884static struct shm_region {
885 uint32_t start;
886 uint32_t size;
887} shm_regions[N_SHM_REGIONS];
888
889static long do_ipc(long call, long first, long second, long third,
890 long ptr, long fifth)
891{
892 int version;
893 long ret = 0;
894 unsigned long raddr;
895 struct shmid_ds shm_info;
896 int i;
897
898 version = call >> 16;
899 call &= 0xffff;
900
901 switch (call) {
902 case IPCOP_shmat:
903 /* SHM_* flags are the same on all linux platforms */
904 ret = get_errno((long) shmat(first, (void *) ptr, second));
905 if (is_error(ret))
906 break;
907 raddr = ret;
908 /* find out the length of the shared memory segment */
909
910 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
911 if (is_error(ret)) {
912 /* can't get length, bail out */
913 shmdt((void *) raddr);
914 break;
915 }
916 page_set_flags(raddr, raddr + shm_info.shm_segsz,
917 PAGE_VALID | PAGE_READ |
918 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
919 for (i = 0; i < N_SHM_REGIONS; ++i) {
920 if (shm_regions[i].start == 0) {
921 shm_regions[i].start = raddr;
922 shm_regions[i].size = shm_info.shm_segsz;
923 break;
924 }
925 }
926 if (put_user(raddr, (uint32_t *)third))
927 return -EFAULT;
928 ret = 0;
929 break;
930 case IPCOP_shmdt:
931 for (i = 0; i < N_SHM_REGIONS; ++i) {
932 if (shm_regions[i].start == ptr) {
933 shm_regions[i].start = 0;
934 page_set_flags(ptr, shm_regions[i].size, 0);
935 break;
936 }
937 }
938 ret = get_errno(shmdt((void *) ptr));
939 break;
940
941 case IPCOP_shmget:
942 /* IPC_* flag values are the same on all linux platforms */
943 ret = get_errno(shmget(first, second, third));
944 break;
945
946 /* IPC_* and SHM_* command values are the same on all linux platforms */
947 case IPCOP_shmctl:
948 switch(second) {
949 case IPC_RMID:
950 case SHM_LOCK:
951 case SHM_UNLOCK:
952 ret = get_errno(shmctl(first, second, NULL));
953 break;
954 default:
955 goto unimplemented;
956 }
957 break;
958 default:
959 unimplemented:
960 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
961 ret = -ENOSYS;
962 break;
963 }
964 return ret;
965}
966
31e31b8a
FB		 967/* kernel structure types definitions */
968#define IFNAMSIZ 16
969
970#define STRUCT(name, list...) STRUCT_ ## name,
971#define STRUCT_SPECIAL(name) STRUCT_ ## name,
972enum {
973#include "syscall_types.h"
974};
975#undef STRUCT
976#undef STRUCT_SPECIAL
977
978#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
979#define STRUCT_SPECIAL(name)
980#include "syscall_types.h"
981#undef STRUCT
982#undef STRUCT_SPECIAL
983
984typedef struct IOCTLEntry {
2ab83ea7
FB		 985 unsigned int target_cmd;
986 unsigned int host_cmd;
31e31b8a
FB		 987 const char *name;
988 int access;
1a9353d2 989 const argtype arg_type[5];
31e31b8a
FB		 990} IOCTLEntry;
991
992#define IOC_R 0x0001
993#define IOC_W 0x0002
994#define IOC_RW (IOC_R | IOC_W)
995
996#define MAX_STRUCT_SIZE 4096
997
2ab83ea7 998IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 999#define IOCTL(cmd, access, types...) \
1000 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1001#include "ioctls.h"
1002 { 0, 0, },
1003};
1004
1005static long do_ioctl(long fd, long cmd, long arg)
1006{
1007 const IOCTLEntry *ie;
1008 const argtype *arg_type;
1009 long ret;
1010 uint8_t buf_temp[MAX_STRUCT_SIZE];
1011
1012 ie = ioctl_entries;
1013 for(;;) {
1014 if (ie->target_cmd == 0) {
1015 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1016 return -ENOSYS;
1017 }
1018 if (ie->target_cmd == cmd)
1019 break;
1020 ie++;
1021 }
1022 arg_type = ie->arg_type;
9de5e440 1023#if defined(DEBUG)
72f03900
FB		 1024 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1025#endif
31e31b8a
FB		 1026 switch(arg_type[0]) {
1027 case TYPE_NULL:
1028 /* no argument */
1029 ret = get_errno(ioctl(fd, ie->host_cmd));
1030 break;
1031 case TYPE_PTRVOID:
1032 case TYPE_INT:
1033 /* int argment */
1034 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1035 break;
1036 case TYPE_PTR:
1037 arg_type++;
1038 switch(ie->access) {
1039 case IOC_R:
1040 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1041 if (!is_error(ret)) {
1042 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
1043 }
1044 break;
1045 case IOC_W:
1046 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
1047 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1048 break;
1049 default:
1050 case IOC_RW:
1051 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
1052 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1053 if (!is_error(ret)) {
1054 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
1055 }
1056 break;
1057 }
1058 break;
1059 default:
1060 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1061 ret = -ENOSYS;
1062 break;
1063 }
1064 return ret;
1065}
1066
1067bitmask_transtbl iflag_tbl[] = {
1068 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1069 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1070 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1071 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1072 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1073 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1074 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1075 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1076 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1077 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1078 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1079 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1080 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1081 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1082 { 0, 0, 0, 0 }
1083};
1084
1085bitmask_transtbl oflag_tbl[] = {
1086 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1087 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1088 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1089 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1090 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1091 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1092 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1093 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1094 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1095 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1096 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1097 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1098 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1099 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1100 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1101 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1102 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1103 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1104 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1105 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1106 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1107 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1108 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1109 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1110 { 0, 0, 0, 0 }
1111};
1112
1113bitmask_transtbl cflag_tbl[] = {
1114 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1115 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1116 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1117 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1118 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1119 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1120 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1121 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1122 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1123 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1124 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1125 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1126 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1127 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1128 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1129 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1130 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1131 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1132 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1133 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1134 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1135 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1136 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1137 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1138 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1139 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1140 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1141 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1142 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1143 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1144 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1145 { 0, 0, 0, 0 }
1146};
1147
1148bitmask_transtbl lflag_tbl[] = {
1149 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1150 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1151 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1152 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1153 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1154 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1155 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1156 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1157 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1158 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1159 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1160 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1161 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1162 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1163 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1164 { 0, 0, 0, 0 }
1165};
1166
1167static void target_to_host_termios (void *dst, const void *src)
1168{
1169 struct host_termios *host = dst;
1170 const struct target_termios *target = src;
1171
1172 host->c_iflag =
1173 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1174 host->c_oflag =
1175 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1176 host->c_cflag =
1177 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1178 host->c_lflag =
1179 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1180 host->c_line = target->c_line;
1181
1182 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1183 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1184 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1185 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1186 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1187 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1188 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1189 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1190 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1191 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1192 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1193 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1194 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1195 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1196 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1197 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1198 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1199}
1200
1201static void host_to_target_termios (void *dst, const void *src)
1202{
1203 struct target_termios *target = dst;
1204 const struct host_termios *host = src;
1205
1206 target->c_iflag =
1207 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1208 target->c_oflag =
1209 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1210 target->c_cflag =
1211 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1212 target->c_lflag =
1213 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1214 target->c_line = host->c_line;
1215
1216 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1217 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1218 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1219 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1220 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1221 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1222 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1223 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1224 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1225 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1226 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1227 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1228 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1229 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1230 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1231 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1232 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1233}
1234
1235StructEntry struct_termios_def = {
1236 .convert = { host_to_target_termios, target_to_host_termios },
1237 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1238 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1239};
1240
5286db75
FB		 1241static bitmask_transtbl mmap_flags_tbl[] = {
1242 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1243 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1244 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1245 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1246 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1247 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1248 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1249 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1250 { 0, 0, 0, 0 }
1251};
1252
ffa65c3b
FB		 1253static bitmask_transtbl fcntl_flags_tbl[] = {
1254 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1255 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1256 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1257 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1258 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1259 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1260 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1261 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1262 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1263 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1264 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1265 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1266 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 1267#if defined(O_DIRECT)
ffa65c3b 1268 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 1269#endif
ffa65c3b
FB		 1270 { 0, 0, 0, 0 }
1271};
1272
2ab83ea7 1273#if defined(TARGET_I386)
6dbad63e
FB		 1274
1275/* NOTE: there is really one LDT for all the threads */
1276uint8_t *ldt_table;
1277
1278static int read_ldt(void *ptr, unsigned long bytecount)
1279{
1280 int size;
1281
1282 if (!ldt_table)
1283 return 0;
1284 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1285 if (size > bytecount)
1286 size = bytecount;
1287 memcpy(ptr, ldt_table, size);
1288 return size;
1289}
1290
1291/* XXX: add locking support */
1292static int write_ldt(CPUX86State *env,
1293 void *ptr, unsigned long bytecount, int oldmode)
1294{
1295 struct target_modify_ldt_ldt_s ldt_info;
1296 int seg_32bit, contents, read_exec_only, limit_in_pages;
1297 int seg_not_present, useable;
1298 uint32_t *lp, entry_1, entry_2;
1299
1300 if (bytecount != sizeof(ldt_info))
1301 return -EINVAL;
1302 memcpy(&ldt_info, ptr, sizeof(ldt_info));
1303 tswap32s(&ldt_info.entry_number);
1304 tswapls((long *)&ldt_info.base_addr);
1305 tswap32s(&ldt_info.limit);
1306 tswap32s(&ldt_info.flags);
1307
1308 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1309 return -EINVAL;
1310 seg_32bit = ldt_info.flags & 1;
1311 contents = (ldt_info.flags >> 1) & 3;
1312 read_exec_only = (ldt_info.flags >> 3) & 1;
1313 limit_in_pages = (ldt_info.flags >> 4) & 1;
1314 seg_not_present = (ldt_info.flags >> 5) & 1;
1315 useable = (ldt_info.flags >> 6) & 1;
1316
1317 if (contents == 3) {
1318 if (oldmode)
1319 return -EINVAL;
1320 if (seg_not_present == 0)
1321 return -EINVAL;
1322 }
1323 /* allocate the LDT */
1324 if (!ldt_table) {
1325 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1326 if (!ldt_table)
1327 return -ENOMEM;
1328 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1329 env->ldt.base = ldt_table;
1330 env->ldt.limit = 0xffff;
1331 }
1332
1333 /* NOTE: same code as Linux kernel */
1334 /* Allow LDTs to be cleared by the user. */
1335 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1336 if (oldmode ||
1337 (contents == 0 &&
1338 read_exec_only == 1 &&
1339 seg_32bit == 0 &&
1340 limit_in_pages == 0 &&
1341 seg_not_present == 1 &&
1342 useable == 0 )) {
1343 entry_1 = 0;
1344 entry_2 = 0;
1345 goto install;
1346 }
1347 }
1348
1349 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1350 (ldt_info.limit & 0x0ffff);
1351 entry_2 = (ldt_info.base_addr & 0xff000000) |
1352 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1353 (ldt_info.limit & 0xf0000) |
1354 ((read_exec_only ^ 1) << 9) |
1355 (contents << 10) |
1356 ((seg_not_present ^ 1) << 15) |
1357 (seg_32bit << 22) |
1358 (limit_in_pages << 23) |
1359 0x7000;
1360 if (!oldmode)
1361 entry_2 |= (useable << 20);
14ae3ba7 1362
6dbad63e
FB		 1363 /* Install the new entry ... */
1364install:
1365 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1366 lp[0] = tswap32(entry_1);
1367 lp[1] = tswap32(entry_2);
1368 return 0;
1369}
1370
1371/* specific and weird i386 syscalls */
5cd4393b 1372int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
6dbad63e
FB		 1373{
1374 int ret = -ENOSYS;
1375
1376 switch (func) {
1377 case 0:
1378 ret = read_ldt(ptr, bytecount);
1379 break;
1380 case 1:
1381 ret = write_ldt(env, ptr, bytecount, 1);
1382 break;
1383 case 0x11:
1384 ret = write_ldt(env, ptr, bytecount, 0);
1385 break;
1386 }
1387 return ret;
1388}
1b6b029e 1389
2ab83ea7
FB		 1390#endif /* defined(TARGET_I386) */
1391
1b6b029e
FB		 1392/* this stack is the equivalent of the kernel stack associated with a
1393 thread/process */
1394#define NEW_STACK_SIZE 8192
1395
1396static int clone_func(void *arg)
1397{
2ab83ea7 1398 CPUState *env = arg;
1b6b029e
FB		 1399 cpu_loop(env);
1400 /* never exits */
1401 return 0;
1402}
1403
2ab83ea7 1404int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1b6b029e
FB		 1405{
1406 int ret;
5cd4393b 1407 TaskState *ts;
1b6b029e 1408 uint8_t *new_stack;
2ab83ea7 1409 CPUState *new_env;
1b6b029e
FB		 1410
1411 if (flags & CLONE_VM) {
5cd4393b
FB		 1412 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1413 memset(ts, 0, sizeof(TaskState));
1414 new_stack = ts->stack;
1415 ts->used = 1;
1416 /* add in task state list */
1417 ts->next = first_task_state;
1418 first_task_state = ts;
1b6b029e 1419 /* we create a new CPU instance. */
2ab83ea7
FB		 1420 new_env = cpu_init();
1421 memcpy(new_env, env, sizeof(CPUState));
1422#if defined(TARGET_I386)
1423 if (!newsp)
1424 newsp = env->regs[R_ESP];
1b6b029e
FB		 1425 new_env->regs[R_ESP] = newsp;
1426 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 1427#elif defined(TARGET_ARM)
1428 if (!newsp)
1429 newsp = env->regs[13];
1430 new_env->regs[13] = newsp;
1431 new_env->regs[0] = 0;
ebc05488 1432#elif defined(TARGET_SPARC)
67867308
FB		 1433 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
1434#elif defined(TARGET_PPC)
1435 if (!newsp)
1436 newsp = env->gpr[1];
1437 new_env->gpr[1] = newsp;
1438 {
1439 int i;
1440 for (i = 7; i < 32; i++)
1441 new_env->gpr[i] = 0;
1442 }
2ab83ea7
FB		 1443#else
1444#error unsupported target CPU
1445#endif
5cd4393b 1446 new_env->opaque = ts;
27725c1d
FB		 1447#ifdef __ia64__
1448 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1449#else
1450 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1451#endif
1b6b029e
FB		 1452 } else {
1453 /* if no CLONE_VM, we consider it is a fork */
1454 if ((flags & ~CSIGNAL) != 0)
1455 return -EINVAL;
1456 ret = fork();
1457 }
1458 return ret;
1459}
1460
7775e9ec
FB		 1461static long do_fcntl(int fd, int cmd, unsigned long arg)
1462{
1463 struct flock fl;
1464 struct target_flock *target_fl = (void *)arg;
1465 long ret;
1466
1467 switch(cmd) {
1468 case TARGET_F_GETLK:
1469 ret = fcntl(fd, cmd, &fl);
1470 if (ret == 0) {
1471 target_fl->l_type = tswap16(fl.l_type);
1472 target_fl->l_whence = tswap16(fl.l_whence);
1473 target_fl->l_start = tswapl(fl.l_start);
1474 target_fl->l_len = tswapl(fl.l_len);
1475 target_fl->l_pid = tswapl(fl.l_pid);
1476 }
1477 break;
1478
1479 case TARGET_F_SETLK:
1480 case TARGET_F_SETLKW:
1481 fl.l_type = tswap16(target_fl->l_type);
1482 fl.l_whence = tswap16(target_fl->l_whence);
1483 fl.l_start = tswapl(target_fl->l_start);
1484 fl.l_len = tswapl(target_fl->l_len);
1485 fl.l_pid = tswapl(target_fl->l_pid);
1486 ret = fcntl(fd, cmd, &fl);
1487 break;
1488
1489 case TARGET_F_GETLK64:
1490 case TARGET_F_SETLK64:
1491 case TARGET_F_SETLKW64:
1492 ret = -1;
1493 errno = EINVAL;
1494 break;
1495
ffa65c3b
FB		 1496 case F_GETFL:
1497 ret = fcntl(fd, cmd, arg);
1498 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1499 break;
1500
1501 case F_SETFL:
1502 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1503 break;
1504
7775e9ec
FB		 1505 default:
1506 ret = fcntl(fd, cmd, arg);
1507 break;
1508 }
1509 return ret;
1510}
1511
67867308 1512#ifdef USE_UID16
7775e9ec 1513
67867308
FB		 1514static inline int high2lowuid(int uid)
1515{
1516 if (uid > 65535)
1517 return 65534;
1518 else
1519 return uid;
1520}
1521
1522static inline int high2lowgid(int gid)
1523{
1524 if (gid > 65535)
1525 return 65534;
1526 else
1527 return gid;
1528}
1529
1530static inline int low2highuid(int uid)
1531{
1532 if ((int16_t)uid == -1)
1533 return -1;
1534 else
1535 return uid;
1536}
1537
1538static inline int low2highgid(int gid)
1539{
1540 if ((int16_t)gid == -1)
1541 return -1;
1542 else
1543 return gid;
1544}
1545
1546#endif /* USE_UID16 */
1b6b029e 1547
31e31b8a
FB		 1548void syscall_init(void)
1549{
2ab83ea7
FB		 1550 IOCTLEntry *ie;
1551 const argtype *arg_type;
1552 int size;
1553
31e31b8a
FB		 1554#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1555#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1556#include "syscall_types.h"
1557#undef STRUCT
1558#undef STRUCT_SPECIAL
2ab83ea7
FB		 1559
1560 /* we patch the ioctl size if necessary. We rely on the fact that
1561 no ioctl has all the bits at '1' in the size field */
1562 ie = ioctl_entries;
1563 while (ie->target_cmd != 0) {
1564 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1565 TARGET_IOC_SIZEMASK) {
1566 arg_type = ie->arg_type;
1567 if (arg_type[0] != TYPE_PTR) {
1568 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1569 ie->target_cmd);
1570 exit(1);
1571 }
1572 arg_type++;
1573 size = thunk_type_size(arg_type, 0);
1574 ie->target_cmd = (ie->target_cmd &
1575 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1576 (size << TARGET_IOC_SIZESHIFT);
1577 }
1578 /* automatic consistency check if same arch */
1579#if defined(__i386__) && defined(TARGET_I386)
1580 if (ie->target_cmd != ie->host_cmd) {
1581 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1582 ie->target_cmd, ie->host_cmd);
1583 }
1584#endif
1585 ie++;
1586 }
31e31b8a 1587}
c573ff67 1588
6dbad63e 1589long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 1590 long arg4, long arg5, long arg6)
1591{
1592 long ret;
1593 struct stat st;
72f03900 1594 struct kernel_statfs *stfs;
31e31b8a 1595
72f03900 1596#ifdef DEBUG
c573ff67 1597 gemu_log("syscall %d", num);
72f03900 1598#endif
31e31b8a
FB		 1599 switch(num) {
1600 case TARGET_NR_exit:
7d13299d
FB		 1601#ifdef HAVE_GPROF
1602 _mcleanup();
1603#endif
1b6b029e 1604 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 1605 _exit(arg1);
1606 ret = 0; /* avoid warning */
1607 break;
1608 case TARGET_NR_read:
206f0fa7 1609 page_unprotect_range((void *)arg2, arg3);
31e31b8a
FB		 1610 ret = get_errno(read(arg1, (void *)arg2, arg3));
1611 break;
1612 case TARGET_NR_write:
1613 ret = get_errno(write(arg1, (void *)arg2, arg3));
1614 break;
1615 case TARGET_NR_open:
ffa65c3b
FB		 1616 ret = get_errno(open(path((const char *)arg1),
1617 target_to_host_bitmask(arg2, fcntl_flags_tbl),
1618 arg3));
31e31b8a
FB		 1619 break;
1620 case TARGET_NR_close:
1621 ret = get_errno(close(arg1));
1622 break;
1623 case TARGET_NR_brk:
1624 ret = do_brk((char *)arg1);
1625 break;
1626 case TARGET_NR_fork:
1b6b029e 1627 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a
FB		 1628 break;
1629 case TARGET_NR_waitpid:
1630 {
1631 int *status = (int *)arg2;
1632 ret = get_errno(waitpid(arg1, status, arg3));
1633 if (!is_error(ret) && status)
1634 tswapls((long *)&status);
1635 }
1636 break;
1637 case TARGET_NR_creat:
1638 ret = get_errno(creat((const char *)arg1, arg2));
1639 break;
1640 case TARGET_NR_link:
1641 ret = get_errno(link((const char *)arg1, (const char *)arg2));
1642 break;
1643 case TARGET_NR_unlink:
1644 ret = get_errno(unlink((const char *)arg1));
1645 break;
1646 case TARGET_NR_execve:
7854b056
FB		 1647 {
1648 char **argp, **envp;
f7341ff4 1649 int argc, envc;
7854b056
FB		 1650 uint32_t *p;
1651 char **q;
1652
f7341ff4 1653 argc = 0;
7854b056
FB		 1654 for (p = (void *)arg2; *p; p++)
1655 argc++;
f7341ff4 1656 envc = 0;
7854b056
FB		 1657 for (p = (void *)arg3; *p; p++)
1658 envc++;
1659
f7341ff4
FB		 1660 argp = alloca((argc + 1) * sizeof(void *));
1661 envp = alloca((envc + 1) * sizeof(void *));
7854b056
FB		 1662
1663 for (p = (void *)arg2, q = argp; *p; p++, q++)
1664 *q = (void *)tswap32(*p);
f7341ff4
FB		 1665 *q = NULL;
1666
7854b056
FB		 1667 for (p = (void *)arg3, q = envp; *p; p++, q++)
1668 *q = (void *)tswap32(*p);
f7341ff4 1669 *q = NULL;
7854b056
FB		 1670
1671 ret = get_errno(execve((const char *)arg1, argp, envp));
1672 }
31e31b8a
FB		 1673 break;
1674 case TARGET_NR_chdir:
1675 ret = get_errno(chdir((const char *)arg1));
1676 break;
1677 case TARGET_NR_time:
1678 {
1679 int *time_ptr = (int *)arg1;
1680 ret = get_errno(time((time_t *)time_ptr));
1681 if (!is_error(ret) && time_ptr)
1682 tswap32s(time_ptr);
1683 }
1684 break;
1685 case TARGET_NR_mknod:
1686 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1687 break;
1688 case TARGET_NR_chmod:
1689 ret = get_errno(chmod((const char *)arg1, arg2));
1690 break;
ebc05488 1691#ifdef TARGET_NR_break
31e31b8a
FB		 1692 case TARGET_NR_break:
1693 goto unimplemented;
ebc05488
FB		 1694#endif
1695#ifdef TARGET_NR_oldstat
31e31b8a
FB		 1696 case TARGET_NR_oldstat:
1697 goto unimplemented;
ebc05488 1698#endif
31e31b8a
FB		 1699 case TARGET_NR_lseek:
1700 ret = get_errno(lseek(arg1, arg2, arg3));
1701 break;
1702 case TARGET_NR_getpid:
1703 ret = get_errno(getpid());
1704 break;
1705 case TARGET_NR_mount:
1706 /* need to look at the data field */
1707 goto unimplemented;
1708 case TARGET_NR_umount:
1709 ret = get_errno(umount((const char *)arg1));
1710 break;
31e31b8a
FB		 1711 case TARGET_NR_stime:
1712 {
1713 int *time_ptr = (int *)arg1;
1714 if (time_ptr)
1715 tswap32s(time_ptr);
1716 ret = get_errno(stime((time_t *)time_ptr));
1717 }
1718 break;
1719 case TARGET_NR_ptrace:
1720 goto unimplemented;
1721 case TARGET_NR_alarm:
1722 ret = alarm(arg1);
1723 break;
ebc05488 1724#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 1725 case TARGET_NR_oldfstat:
1726 goto unimplemented;
ebc05488 1727#endif
31e31b8a
FB		 1728 case TARGET_NR_pause:
1729 ret = get_errno(pause());
1730 break;
1731 case TARGET_NR_utime:
ebc05488 1732 {
f72e8ff4 1733 struct utimbuf tbuf, *tbuf1;
ebc05488 1734 struct target_utimbuf *target_tbuf = (void *)arg2;
f72e8ff4
FB		 1735 if (target_tbuf) {
1736 get_user(tbuf.actime, &target_tbuf->actime);
1737 get_user(tbuf.modtime, &target_tbuf->modtime);
1738 tbuf1 = &tbuf;
1739 } else {
1740 tbuf1 = NULL;
1741 }
1742 ret = get_errno(utime((const char *)arg1, tbuf1));
ebc05488
FB		 1743 }
1744 break;
978a66ff
FB		 1745 case TARGET_NR_utimes:
1746 {
1747 struct target_timeval *target_tvp = (struct target_timeval *)arg2;
1748 struct timeval *tvp, tv[2];
1749 if (target_tvp) {
1750 target_to_host_timeval(&tv[0], &target_tvp[0]);
1751 target_to_host_timeval(&tv[1], &target_tvp[1]);
1752 tvp = tv;
1753 } else {
1754 tvp = NULL;
1755 }
1756 ret = get_errno(utimes((const char *)arg1, tvp));
1757 }
1758 break;
ebc05488 1759#ifdef TARGET_NR_stty
31e31b8a
FB		 1760 case TARGET_NR_stty:
1761 goto unimplemented;
ebc05488
FB		 1762#endif
1763#ifdef TARGET_NR_gtty
31e31b8a
FB		 1764 case TARGET_NR_gtty:
1765 goto unimplemented;
ebc05488 1766#endif
31e31b8a
FB		 1767 case TARGET_NR_access:
1768 ret = get_errno(access((const char *)arg1, arg2));
1769 break;
1770 case TARGET_NR_nice:
1771 ret = get_errno(nice(arg1));
1772 break;
ebc05488 1773#ifdef TARGET_NR_ftime
31e31b8a
FB		 1774 case TARGET_NR_ftime:
1775 goto unimplemented;
ebc05488 1776#endif
31e31b8a 1777 case TARGET_NR_sync:
04369ff2
FB		 1778 sync();
1779 ret = 0;
31e31b8a
FB		 1780 break;
1781 case TARGET_NR_kill:
1782 ret = get_errno(kill(arg1, arg2));
1783 break;
1784 case TARGET_NR_rename:
1785 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1786 break;
1787 case TARGET_NR_mkdir:
1788 ret = get_errno(mkdir((const char *)arg1, arg2));
1789 break;
1790 case TARGET_NR_rmdir:
1791 ret = get_errno(rmdir((const char *)arg1));
1792 break;
1793 case TARGET_NR_dup:
1794 ret = get_errno(dup(arg1));
1795 break;
1796 case TARGET_NR_pipe:
1797 {
1798 int *pipe_ptr = (int *)arg1;
1799 ret = get_errno(pipe(pipe_ptr));
1800 if (!is_error(ret)) {
1801 tswap32s(&pipe_ptr[0]);
1802 tswap32s(&pipe_ptr[1]);
1803 }
1804 }
1805 break;
1806 case TARGET_NR_times:
32f36bce
FB		 1807 {
1808 struct target_tms *tmsp = (void *)arg1;
1809 struct tms tms;
1810 ret = get_errno(times(&tms));
1811 if (tmsp) {
c596ed17
FB		 1812 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
1813 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
1814 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
1815 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 1816 }
c596ed17
FB		 1817 if (!is_error(ret))
1818 ret = host_to_target_clock_t(ret);
32f36bce
FB		 1819 }
1820 break;
ebc05488 1821#ifdef TARGET_NR_prof
31e31b8a
FB		 1822 case TARGET_NR_prof:
1823 goto unimplemented;
ebc05488 1824#endif
31e31b8a
FB		 1825 case TARGET_NR_signal:
1826 goto unimplemented;
67867308 1827
31e31b8a
FB		 1828 case TARGET_NR_acct:
1829 goto unimplemented;
1830 case TARGET_NR_umount2:
1831 ret = get_errno(umount2((const char *)arg1, arg2));
1832 break;
ebc05488 1833#ifdef TARGET_NR_lock
31e31b8a
FB		 1834 case TARGET_NR_lock:
1835 goto unimplemented;
ebc05488 1836#endif
31e31b8a
FB		 1837 case TARGET_NR_ioctl:
1838 ret = do_ioctl(arg1, arg2, arg3);
1839 break;
1840 case TARGET_NR_fcntl:
7775e9ec 1841 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 1842 break;
ebc05488 1843#ifdef TARGET_NR_mpx
31e31b8a
FB		 1844 case TARGET_NR_mpx:
1845 goto unimplemented;
ebc05488 1846#endif
31e31b8a
FB		 1847 case TARGET_NR_setpgid:
1848 ret = get_errno(setpgid(arg1, arg2));
1849 break;
ebc05488 1850#ifdef TARGET_NR_ulimit
31e31b8a
FB		 1851 case TARGET_NR_ulimit:
1852 goto unimplemented;
ebc05488
FB		 1853#endif
1854#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 1855 case TARGET_NR_oldolduname:
1856 goto unimplemented;
ebc05488 1857#endif
31e31b8a
FB		 1858 case TARGET_NR_umask:
1859 ret = get_errno(umask(arg1));
1860 break;
1861 case TARGET_NR_chroot:
1862 ret = get_errno(chroot((const char *)arg1));
1863 break;
1864 case TARGET_NR_ustat:
1865 goto unimplemented;
1866 case TARGET_NR_dup2:
1867 ret = get_errno(dup2(arg1, arg2));
1868 break;
1869 case TARGET_NR_getppid:
1870 ret = get_errno(getppid());
1871 break;
1872 case TARGET_NR_getpgrp:
1873 ret = get_errno(getpgrp());
1874 break;
1875 case TARGET_NR_setsid:
1876 ret = get_errno(setsid());
1877 break;
1878 case TARGET_NR_sigaction:
31e31b8a 1879 {
66fb9763
FB		 1880 struct target_old_sigaction *old_act = (void *)arg2;
1881 struct target_old_sigaction *old_oact = (void *)arg3;
1882 struct target_sigaction act, oact, *pact;
1883 if (old_act) {
1884 act._sa_handler = old_act->_sa_handler;
1885 target_siginitset(&act.sa_mask, old_act->sa_mask);
1886 act.sa_flags = old_act->sa_flags;
1887 act.sa_restorer = old_act->sa_restorer;
1888 pact = &act;
1889 } else {
1890 pact = NULL;
1891 }
1892 ret = get_errno(do_sigaction(arg1, pact, &oact));
1893 if (!is_error(ret) && old_oact) {
1894 old_oact->_sa_handler = oact._sa_handler;
1895 old_oact->sa_mask = oact.sa_mask.sig[0];
1896 old_oact->sa_flags = oact.sa_flags;
1897 old_oact->sa_restorer = oact.sa_restorer;
1898 }
31e31b8a
FB		 1899 }
1900 break;
66fb9763
FB		 1901 case TARGET_NR_rt_sigaction:
1902 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1903 break;
31e31b8a 1904 case TARGET_NR_sgetmask:
66fb9763
FB		 1905 {
1906 sigset_t cur_set;
1907 target_ulong target_set;
1908 sigprocmask(0, NULL, &cur_set);
1909 host_to_target_old_sigset(&target_set, &cur_set);
1910 ret = target_set;
1911 }
1912 break;
31e31b8a 1913 case TARGET_NR_ssetmask:
66fb9763
FB		 1914 {
1915 sigset_t set, oset, cur_set;
1916 target_ulong target_set = arg1;
1917 sigprocmask(0, NULL, &cur_set);
1918 target_to_host_old_sigset(&set, &target_set);
1919 sigorset(&set, &set, &cur_set);
1920 sigprocmask(SIG_SETMASK, &set, &oset);
1921 host_to_target_old_sigset(&target_set, &oset);
1922 ret = target_set;
1923 }
1924 break;
1925 case TARGET_NR_sigprocmask:
1926 {
1927 int how = arg1;
1928 sigset_t set, oldset, *set_ptr;
1929 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1930
1931 if (pset) {
1932 switch(how) {
1933 case TARGET_SIG_BLOCK:
1934 how = SIG_BLOCK;
1935 break;
1936 case TARGET_SIG_UNBLOCK:
1937 how = SIG_UNBLOCK;
1938 break;
1939 case TARGET_SIG_SETMASK:
1940 how = SIG_SETMASK;
1941 break;
1942 default:
1943 ret = -EINVAL;
1944 goto fail;
1945 }
1946 target_to_host_old_sigset(&set, pset);
1947 set_ptr = &set;
1948 } else {
1949 how = 0;
1950 set_ptr = NULL;
1951 }
1952 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1953 if (!is_error(ret) && poldset) {
1954 host_to_target_old_sigset(poldset, &oldset);
1955 }
1956 }
1957 break;
1958 case TARGET_NR_rt_sigprocmask:
1959 {
1960 int how = arg1;
1961 sigset_t set, oldset, *set_ptr;
1962 target_sigset_t *pset = (void *)arg2;
1963 target_sigset_t *poldset = (void *)arg3;
1964
1965 if (pset) {
1966 switch(how) {
1967 case TARGET_SIG_BLOCK:
1968 how = SIG_BLOCK;
1969 break;
1970 case TARGET_SIG_UNBLOCK:
1971 how = SIG_UNBLOCK;
1972 break;
1973 case TARGET_SIG_SETMASK:
1974 how = SIG_SETMASK;
1975 break;
1976 default:
1977 ret = -EINVAL;
1978 goto fail;
1979 }
1980 target_to_host_sigset(&set, pset);
1981 set_ptr = &set;
1982 } else {
1983 how = 0;
1984 set_ptr = NULL;
1985 }
1986 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1987 if (!is_error(ret) && poldset) {
1988 host_to_target_sigset(poldset, &oldset);
1989 }
1990 }
1991 break;
1992 case TARGET_NR_sigpending:
1993 {
1994 sigset_t set;
1995 ret = get_errno(sigpending(&set));
1996 if (!is_error(ret)) {
1997 host_to_target_old_sigset((target_ulong *)arg1, &set);
1998 }
1999 }
2000 break;
2001 case TARGET_NR_rt_sigpending:
2002 {
2003 sigset_t set;
2004 ret = get_errno(sigpending(&set));
2005 if (!is_error(ret)) {
2006 host_to_target_sigset((target_sigset_t *)arg1, &set);
2007 }
2008 }
2009 break;
2010 case TARGET_NR_sigsuspend:
2011 {
2012 sigset_t set;
2013 target_to_host_old_sigset(&set, (target_ulong *)arg1);
2014 ret = get_errno(sigsuspend(&set));
2015 }
2016 break;
2017 case TARGET_NR_rt_sigsuspend:
2018 {
2019 sigset_t set;
2020 target_to_host_sigset(&set, (target_sigset_t *)arg1);
2021 ret = get_errno(sigsuspend(&set));
2022 }
2023 break;
2024 case TARGET_NR_rt_sigtimedwait:
2025 {
2026 target_sigset_t *target_set = (void *)arg1;
2027 target_siginfo_t *target_uinfo = (void *)arg2;
2028 struct target_timespec *target_uts = (void *)arg3;
2029 sigset_t set;
2030 struct timespec uts, *puts;
2031 siginfo_t uinfo;
2032
2033 target_to_host_sigset(&set, target_set);
2034 if (target_uts) {
2035 puts = &uts;
2036 puts->tv_sec = tswapl(target_uts->tv_sec);
2037 puts->tv_nsec = tswapl(target_uts->tv_nsec);
2038 } else {
2039 puts = NULL;
2040 }
2041 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
2042 if (!is_error(ret) && target_uinfo) {
2043 host_to_target_siginfo(target_uinfo, &uinfo);
2044 }
2045 }
2046 break;
2047 case TARGET_NR_rt_sigqueueinfo:
2048 {
2049 siginfo_t uinfo;
2050 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
2051 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2052 }
2053 break;
2054 case TARGET_NR_sigreturn:
2055 /* NOTE: ret is eax, so not transcoding must be done */
2056 ret = do_sigreturn(cpu_env);
2057 break;
2058 case TARGET_NR_rt_sigreturn:
2059 /* NOTE: ret is eax, so not transcoding must be done */
2060 ret = do_rt_sigreturn(cpu_env);
2061 break;
31e31b8a
FB		 2062 case TARGET_NR_sethostname:
2063 ret = get_errno(sethostname((const char *)arg1, arg2));
2064 break;
2065 case TARGET_NR_setrlimit:
9de5e440
FB		 2066 {
2067 /* XXX: convert resource ? */
2068 int resource = arg1;
2069 struct target_rlimit *target_rlim = (void *)arg2;
2070 struct rlimit rlim;
2071 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2072 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2073 ret = get_errno(setrlimit(resource, &rlim));
2074 }
2075 break;
31e31b8a 2076 case TARGET_NR_getrlimit:
9de5e440
FB		 2077 {
2078 /* XXX: convert resource ? */
2079 int resource = arg1;
2080 struct target_rlimit *target_rlim = (void *)arg2;
2081 struct rlimit rlim;
2082
2083 ret = get_errno(getrlimit(resource, &rlim));
2084 if (!is_error(ret)) {
2085 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2086 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2087 }
2088 }
2089 break;
31e31b8a 2090 case TARGET_NR_getrusage:
b409186b
FB		 2091 {
2092 struct rusage rusage;
2093 struct target_rusage *target_rusage = (void *)arg2;
2094 ret = get_errno(getrusage(arg1, &rusage));
2095 if (!is_error(ret)) {
2096 host_to_target_rusage(target_rusage, &rusage);
2097 }
2098 }
2099 break;
31e31b8a
FB		 2100 case TARGET_NR_gettimeofday:
2101 {
2102 struct target_timeval *target_tv = (void *)arg1;
2103 struct timeval tv;
2104 ret = get_errno(gettimeofday(&tv, NULL));
2105 if (!is_error(ret)) {
5cd4393b 2106 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 2107 }
2108 }
2109 break;
2110 case TARGET_NR_settimeofday:
2111 {
2112 struct target_timeval *target_tv = (void *)arg1;
2113 struct timeval tv;
5cd4393b 2114 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 2115 ret = get_errno(settimeofday(&tv, NULL));
2116 }
2117 break;
31e31b8a 2118 case TARGET_NR_select:
f2674e31
FB		 2119 {
2120 struct target_sel_arg_struct *sel = (void *)arg1;
2121 sel->n = tswapl(sel->n);
2122 sel->inp = tswapl(sel->inp);
2123 sel->outp = tswapl(sel->outp);
2124 sel->exp = tswapl(sel->exp);
2125 sel->tvp = tswapl(sel->tvp);
2126 ret = do_select(sel->n, (void *)sel->inp, (void *)sel->outp,
2127 (void *)sel->exp, (void *)sel->tvp);
2128 }
2129 break;
31e31b8a
FB		 2130 case TARGET_NR_symlink:
2131 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
2132 break;
ebc05488 2133#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 2134 case TARGET_NR_oldlstat:
2135 goto unimplemented;
ebc05488 2136#endif
31e31b8a 2137 case TARGET_NR_readlink:
ec86b0fb 2138 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
31e31b8a
FB		 2139 break;
2140 case TARGET_NR_uselib:
2141 goto unimplemented;
2142 case TARGET_NR_swapon:
2143 ret = get_errno(swapon((const char *)arg1, arg2));
2144 break;
2145 case TARGET_NR_reboot:
2146 goto unimplemented;
2147 case TARGET_NR_readdir:
2148 goto unimplemented;
31e31b8a 2149 case TARGET_NR_mmap:
6fb883e8 2150#if defined(TARGET_I386) || defined(TARGET_ARM)
31e31b8a
FB		 2151 {
2152 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
2153 vptr = (uint32_t *)arg1;
2154 v1 = tswap32(vptr[0]);
2155 v2 = tswap32(vptr[1]);
2156 v3 = tswap32(vptr[2]);
2157 v4 = tswap32(vptr[3]);
2158 v5 = tswap32(vptr[4]);
2159 v6 = tswap32(vptr[5]);
5286db75
FB		 2160 ret = get_errno(target_mmap(v1, v2, v3,
2161 target_to_host_bitmask(v4, mmap_flags_tbl),
2162 v5, v6));
31e31b8a 2163 }
31e31b8a 2164#else
6fb883e8
FB		 2165 ret = get_errno(target_mmap(arg1, arg2, arg3,
2166 target_to_host_bitmask(arg4, mmap_flags_tbl),
2167 arg5,
2168 arg6));
31e31b8a 2169#endif
6fb883e8
FB		 2170 break;
2171 case TARGET_NR_mmap2:
c573ff67
FB		 2172#if defined(TARGET_SPARC)
2173#define MMAP_SHIFT 12
2174#else
2175#define MMAP_SHIFT TARGET_PAGE_BITS
2176#endif
5286db75
FB		 2177 ret = get_errno(target_mmap(arg1, arg2, arg3,
2178 target_to_host_bitmask(arg4, mmap_flags_tbl),
2179 arg5,
c573ff67 2180 arg6 << MMAP_SHIFT));
31e31b8a
FB		 2181 break;
2182 case TARGET_NR_munmap:
54936004 2183 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 2184 break;
9de5e440 2185 case TARGET_NR_mprotect:
54936004 2186 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440
FB		 2187 break;
2188 case TARGET_NR_mremap:
54936004 2189 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440
FB		 2190 break;
2191 case TARGET_NR_msync:
2192 ret = get_errno(msync((void *)arg1, arg2, arg3));
2193 break;
2194 case TARGET_NR_mlock:
2195 ret = get_errno(mlock((void *)arg1, arg2));
2196 break;
2197 case TARGET_NR_munlock:
2198 ret = get_errno(munlock((void *)arg1, arg2));
2199 break;
2200 case TARGET_NR_mlockall:
2201 ret = get_errno(mlockall(arg1));
2202 break;
2203 case TARGET_NR_munlockall:
2204 ret = get_errno(munlockall());
2205 break;
31e31b8a
FB		 2206 case TARGET_NR_truncate:
2207 ret = get_errno(truncate((const char *)arg1, arg2));
2208 break;
2209 case TARGET_NR_ftruncate:
2210 ret = get_errno(ftruncate(arg1, arg2));
2211 break;
2212 case TARGET_NR_fchmod:
2213 ret = get_errno(fchmod(arg1, arg2));
2214 break;
31e31b8a
FB		 2215 case TARGET_NR_getpriority:
2216 ret = get_errno(getpriority(arg1, arg2));
2217 break;
2218 case TARGET_NR_setpriority:
2219 ret = get_errno(setpriority(arg1, arg2, arg3));
2220 break;
ebc05488 2221#ifdef TARGET_NR_profil
31e31b8a
FB		 2222 case TARGET_NR_profil:
2223 goto unimplemented;
ebc05488 2224#endif
31e31b8a
FB		 2225 case TARGET_NR_statfs:
2226 stfs = (void *)arg2;
ec86b0fb 2227 ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
31e31b8a
FB		 2228 convert_statfs:
2229 if (!is_error(ret)) {
2230 tswap32s(&stfs->f_type);
2231 tswap32s(&stfs->f_bsize);
2232 tswap32s(&stfs->f_blocks);
2233 tswap32s(&stfs->f_bfree);
2234 tswap32s(&stfs->f_bavail);
2235 tswap32s(&stfs->f_files);
2236 tswap32s(&stfs->f_ffree);
2237 tswap32s(&stfs->f_fsid.val[0]);
2238 tswap32s(&stfs->f_fsid.val[1]);
2239 tswap32s(&stfs->f_namelen);
2240 }
2241 break;
2242 case TARGET_NR_fstatfs:
2243 stfs = (void *)arg2;
2244 ret = get_errno(sys_fstatfs(arg1, stfs));
2245 goto convert_statfs;
ebc05488 2246#ifdef TARGET_NR_ioperm
31e31b8a
FB		 2247 case TARGET_NR_ioperm:
2248 goto unimplemented;
ebc05488 2249#endif
31e31b8a 2250 case TARGET_NR_socketcall:
7854b056 2251 ret = do_socketcall(arg1, (int32_t *)arg2);
31e31b8a
FB		 2252 break;
2253 case TARGET_NR_syslog:
2254 goto unimplemented;
2255 case TARGET_NR_setitimer:
66fb9763
FB		 2256 {
2257 struct target_itimerval *target_value = (void *)arg2;
2258 struct target_itimerval *target_ovalue = (void *)arg3;
2259 struct itimerval value, ovalue, *pvalue;
2260
2261 if (target_value) {
2262 pvalue = &value;
2263 target_to_host_timeval(&pvalue->it_interval,
2264 &target_value->it_interval);
2265 target_to_host_timeval(&pvalue->it_value,
2266 &target_value->it_value);
2267 } else {
2268 pvalue = NULL;
2269 }
2270 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
2271 if (!is_error(ret) && target_ovalue) {
2272 host_to_target_timeval(&target_ovalue->it_interval,
2273 &ovalue.it_interval);
2274 host_to_target_timeval(&target_ovalue->it_value,
2275 &ovalue.it_value);
2276 }
2277 }
2278 break;
31e31b8a 2279 case TARGET_NR_getitimer:
66fb9763
FB		 2280 {
2281 struct target_itimerval *target_value = (void *)arg2;
2282 struct itimerval value;
2283
2284 ret = get_errno(getitimer(arg1, &value));
2285 if (!is_error(ret) && target_value) {
2286 host_to_target_timeval(&target_value->it_interval,
2287 &value.it_interval);
2288 host_to_target_timeval(&target_value->it_value,
2289 &value.it_value);
2290 }
2291 }
2292 break;
31e31b8a 2293 case TARGET_NR_stat:
ec86b0fb 2294 ret = get_errno(stat(path((const char *)arg1), &st));
31e31b8a
FB		 2295 goto do_stat;
2296 case TARGET_NR_lstat:
ec86b0fb 2297 ret = get_errno(lstat(path((const char *)arg1), &st));
31e31b8a
FB		 2298 goto do_stat;
2299 case TARGET_NR_fstat:
2300 {
2301 ret = get_errno(fstat(arg1, &st));
2302 do_stat:
2303 if (!is_error(ret)) {
2304 struct target_stat *target_st = (void *)arg2;
2305 target_st->st_dev = tswap16(st.st_dev);
2306 target_st->st_ino = tswapl(st.st_ino);
67867308
FB		 2307#if defined(TARGET_PPC)
2308 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2309 target_st->st_uid = tswap32(st.st_uid);
2310 target_st->st_gid = tswap32(st.st_gid);
2311#else
ec86b0fb 2312 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 2313 target_st->st_uid = tswap16(st.st_uid);
2314 target_st->st_gid = tswap16(st.st_gid);
67867308
FB		 2315#endif
2316 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a
FB		 2317 target_st->st_rdev = tswap16(st.st_rdev);
2318 target_st->st_size = tswapl(st.st_size);
2319 target_st->st_blksize = tswapl(st.st_blksize);
2320 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 2321 target_st->target_st_atime = tswapl(st.st_atime);
2322 target_st->target_st_mtime = tswapl(st.st_mtime);
2323 target_st->target_st_ctime = tswapl(st.st_ctime);
31e31b8a
FB		 2324 }
2325 }
2326 break;
ebc05488 2327#ifdef TARGET_NR_olduname
31e31b8a
FB		 2328 case TARGET_NR_olduname:
2329 goto unimplemented;
ebc05488
FB		 2330#endif
2331#ifdef TARGET_NR_iopl
31e31b8a
FB		 2332 case TARGET_NR_iopl:
2333 goto unimplemented;
ebc05488 2334#endif
31e31b8a
FB		 2335 case TARGET_NR_vhangup:
2336 ret = get_errno(vhangup());
2337 break;
ebc05488 2338#ifdef TARGET_NR_idle
31e31b8a
FB		 2339 case TARGET_NR_idle:
2340 goto unimplemented;
ebc05488 2341#endif
31e31b8a
FB		 2342 case TARGET_NR_wait4:
2343 {
2344 int status;
2345 target_long *status_ptr = (void *)arg2;
2346 struct rusage rusage, *rusage_ptr;
2347 struct target_rusage *target_rusage = (void *)arg4;
2348 if (target_rusage)
2349 rusage_ptr = &rusage;
2350 else
2351 rusage_ptr = NULL;
2352 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
2353 if (!is_error(ret)) {
2354 if (status_ptr)
2355 *status_ptr = tswap32(status);
2356 if (target_rusage) {
b409186b 2357 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 2358 }
2359 }
2360 }
2361 break;
2362 case TARGET_NR_swapoff:
2363 ret = get_errno(swapoff((const char *)arg1));
2364 break;
2365 case TARGET_NR_sysinfo:
a5448a7d
FB		 2366 {
2367 struct target_sysinfo *target_value = (void *)arg1;
2368 struct sysinfo value;
2369 ret = get_errno(sysinfo(&value));
2370 if (!is_error(ret) && target_value)
2371 {
2372 __put_user(value.uptime, &target_value->uptime);
2373 __put_user(value.loads[0], &target_value->loads[0]);
2374 __put_user(value.loads[1], &target_value->loads[1]);
2375 __put_user(value.loads[2], &target_value->loads[2]);
2376 __put_user(value.totalram, &target_value->totalram);
2377 __put_user(value.freeram, &target_value->freeram);
2378 __put_user(value.sharedram, &target_value->sharedram);
2379 __put_user(value.bufferram, &target_value->bufferram);
2380 __put_user(value.totalswap, &target_value->totalswap);
2381 __put_user(value.freeswap, &target_value->freeswap);
2382 __put_user(value.procs, &target_value->procs);
2383 __put_user(value.totalhigh, &target_value->totalhigh);
2384 __put_user(value.freehigh, &target_value->freehigh);
2385 __put_user(value.mem_unit, &target_value->mem_unit);
2386 }
2387 }
2388 break;
31e31b8a 2389 case TARGET_NR_ipc:
8853f86e
FB		 2390 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
2391 break;
31e31b8a
FB		 2392 case TARGET_NR_fsync:
2393 ret = get_errno(fsync(arg1));
2394 break;
31e31b8a 2395 case TARGET_NR_clone:
1b6b029e
FB		 2396 ret = get_errno(do_fork(cpu_env, arg1, arg2));
2397 break;
ec86b0fb
FB		 2398#ifdef __NR_exit_group
2399 /* new thread calls */
2400 case TARGET_NR_exit_group:
2401 ret = get_errno(exit_group(arg1));
2402 break;
2403#endif
31e31b8a
FB		 2404 case TARGET_NR_setdomainname:
2405 ret = get_errno(setdomainname((const char *)arg1, arg2));
2406 break;
2407 case TARGET_NR_uname:
2408 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 2409 {
2410 struct new_utsname * buf;
2411
2412 buf = (struct new_utsname *)arg1;
2413 ret = get_errno(sys_uname(buf));
2414 if (!is_error(ret)) {
2415 /* Overrite the native machine name with whatever is being
2416 emulated. */
2417 strcpy (buf->machine, UNAME_MACHINE);
2418 }
2419 }
31e31b8a 2420 break;
6dbad63e 2421#ifdef TARGET_I386
31e31b8a 2422 case TARGET_NR_modify_ldt:
5cd4393b
FB		 2423 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
2424 break;
2425 case TARGET_NR_vm86old:
2426 goto unimplemented;
2427 case TARGET_NR_vm86:
2428 ret = do_vm86(cpu_env, arg1, (void *)arg2);
6dbad63e
FB		 2429 break;
2430#endif
31e31b8a
FB		 2431 case TARGET_NR_adjtimex:
2432 goto unimplemented;
31e31b8a
FB		 2433 case TARGET_NR_create_module:
2434 case TARGET_NR_init_module:
2435 case TARGET_NR_delete_module:
2436 case TARGET_NR_get_kernel_syms:
2437 goto unimplemented;
2438 case TARGET_NR_quotactl:
2439 goto unimplemented;
2440 case TARGET_NR_getpgid:
2441 ret = get_errno(getpgid(arg1));
2442 break;
2443 case TARGET_NR_fchdir:
2444 ret = get_errno(fchdir(arg1));
2445 break;
2446 case TARGET_NR_bdflush:
2447 goto unimplemented;
2448 case TARGET_NR_sysfs:
2449 goto unimplemented;
2450 case TARGET_NR_personality:
1b6b029e 2451 ret = get_errno(personality(arg1));
31e31b8a
FB		 2452 break;
2453 case TARGET_NR_afs_syscall:
2454 goto unimplemented;
31e31b8a
FB		 2455 case TARGET_NR__llseek:
2456 {
4f2ac237
FB		 2457#if defined (__x86_64__)
2458 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2459 *(int64_t *)arg4 = ret;
2460#else
31e31b8a
FB		 2461 int64_t res;
2462 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2463 *(int64_t *)arg4 = tswap64(res);
4f2ac237 2464#endif
31e31b8a
FB		 2465 }
2466 break;
2467 case TARGET_NR_getdents:
2468#if TARGET_LONG_SIZE != 4
2469#error not supported
4add45b4
FB		 2470#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
2471 {
2472 struct target_dirent *target_dirp = (void *)arg2;
2473 struct dirent *dirp;
2474 long count = arg3;
2475
2476 dirp = malloc(count);
2477 if (!dirp)
2478 return -ENOMEM;
2479
2480 ret = get_errno(sys_getdents(arg1, dirp, count));
2481 if (!is_error(ret)) {
2482 struct dirent *de;
2483 struct target_dirent *tde;
2484 int len = ret;
2485 int reclen, treclen;
2486 int count1, tnamelen;
2487
2488 count1 = 0;
2489 de = dirp;
2490 tde = target_dirp;
2491 while (len > 0) {
2492 reclen = de->d_reclen;
2493 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
2494 tde->d_reclen = tswap16(treclen);
2495 tde->d_ino = tswapl(de->d_ino);
2496 tde->d_off = tswapl(de->d_off);
2497 tnamelen = treclen - (2 * sizeof(target_long) + 2);
2498 if (tnamelen > 256)
2499 tnamelen = 256;
2500 strncpy(tde->d_name, de->d_name, tnamelen);
2501 de = (struct dirent *)((char *)de + reclen);
2502 len -= reclen;
2503 tde = (struct dirent *)((char *)tde + treclen);
2504 count1 += treclen;
2505 }
2506 ret = count1;
2507 }
2508 free(dirp);
2509 }
2510#else
31e31b8a
FB		 2511 {
2512 struct dirent *dirp = (void *)arg2;
2513 long count = arg3;
dab2ed99 2514
72f03900 2515 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 2516 if (!is_error(ret)) {
2517 struct dirent *de;
2518 int len = ret;
2519 int reclen;
2520 de = dirp;
2521 while (len > 0) {
8083a3e5 2522 reclen = de->d_reclen;
31e31b8a
FB		 2523 if (reclen > len)
2524 break;
8083a3e5 2525 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 2526 tswapls(&de->d_ino);
2527 tswapls(&de->d_off);
2528 de = (struct dirent *)((char *)de + reclen);
2529 len -= reclen;
2530 }
2531 }
2532 }
4add45b4 2533#endif
31e31b8a 2534 break;
a541f297 2535#ifdef TARGET_NR_getdents64
dab2ed99
FB		 2536 case TARGET_NR_getdents64:
2537 {
2538 struct dirent64 *dirp = (void *)arg2;
2539 long count = arg3;
2540 ret = get_errno(sys_getdents64(arg1, dirp, count));
2541 if (!is_error(ret)) {
2542 struct dirent64 *de;
2543 int len = ret;
2544 int reclen;
2545 de = dirp;
2546 while (len > 0) {
8083a3e5 2547 reclen = de->d_reclen;
dab2ed99
FB		 2548 if (reclen > len)
2549 break;
8083a3e5 2550 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 2551 tswap64s(&de->d_ino);
2552 tswap64s(&de->d_off);
2553 de = (struct dirent64 *)((char *)de + reclen);
2554 len -= reclen;
2555 }
2556 }
2557 }
2558 break;
a541f297 2559#endif /* TARGET_NR_getdents64 */
31e31b8a
FB		 2560 case TARGET_NR__newselect:
2561 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
2562 (void *)arg5);
2563 break;
9de5e440
FB		 2564 case TARGET_NR_poll:
2565 {
2566 struct target_pollfd *target_pfd = (void *)arg1;
2567 unsigned int nfds = arg2;
2568 int timeout = arg3;
2569 struct pollfd *pfd;
7854b056 2570 unsigned int i;
9de5e440
FB		 2571
2572 pfd = alloca(sizeof(struct pollfd) * nfds);
2573 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 2574 pfd[i].fd = tswap32(target_pfd[i].fd);
2575 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 2576 }
2577 ret = get_errno(poll(pfd, nfds, timeout));
2578 if (!is_error(ret)) {
2579 for(i = 0; i < nfds; i++) {
5cd4393b 2580 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 2581 }
2582 }
2583 }
2584 break;
31e31b8a 2585 case TARGET_NR_flock:
9de5e440
FB		 2586 /* NOTE: the flock constant seems to be the same for every
2587 Linux platform */
2588 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 2589 break;
2590 case TARGET_NR_readv:
2591 {
2592 int count = arg3;
2593 int i;
2594 struct iovec *vec;
2595 struct target_iovec *target_vec = (void *)arg2;
2596
2597 vec = alloca(count * sizeof(struct iovec));
2598 for(i = 0;i < count; i++) {
2599 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2600 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2601 }
2602 ret = get_errno(readv(arg1, vec, count));
2603 }
2604 break;
2605 case TARGET_NR_writev:
2606 {
2607 int count = arg3;
2608 int i;
2609 struct iovec *vec;
2610 struct target_iovec *target_vec = (void *)arg2;
2611
2612 vec = alloca(count * sizeof(struct iovec));
2613 for(i = 0;i < count; i++) {
2614 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2615 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2616 }
2617 ret = get_errno(writev(arg1, vec, count));
2618 }
2619 break;
2620 case TARGET_NR_getsid:
2621 ret = get_errno(getsid(arg1));
2622 break;
2623 case TARGET_NR_fdatasync:
5cd4393b
FB		 2624 ret = get_errno(fdatasync(arg1));
2625 break;
31e31b8a 2626 case TARGET_NR__sysctl:
29e619b1
FB		 2627 /* We don't implement this, but ENODIR is always a safe
2628 return value. */
2629 return -ENOTDIR;
31e31b8a 2630 case TARGET_NR_sched_setparam:
5cd4393b
FB		 2631 {
2632 struct sched_param *target_schp = (void *)arg2;
2633 struct sched_param schp;
2634 schp.sched_priority = tswap32(target_schp->sched_priority);
2635 ret = get_errno(sched_setparam(arg1, &schp));
2636 }
2637 break;
31e31b8a 2638 case TARGET_NR_sched_getparam:
5cd4393b
FB		 2639 {
2640 struct sched_param *target_schp = (void *)arg2;
2641 struct sched_param schp;
2642 ret = get_errno(sched_getparam(arg1, &schp));
2643 if (!is_error(ret)) {
2644 target_schp->sched_priority = tswap32(schp.sched_priority);
2645 }
2646 }
2647 break;
31e31b8a 2648 case TARGET_NR_sched_setscheduler:
5cd4393b
FB		 2649 {
2650 struct sched_param *target_schp = (void *)arg3;
2651 struct sched_param schp;
2652 schp.sched_priority = tswap32(target_schp->sched_priority);
2653 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2654 }
2655 break;
31e31b8a 2656 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 2657 ret = get_errno(sched_getscheduler(arg1));
2658 break;
31e31b8a
FB		 2659 case TARGET_NR_sched_yield:
2660 ret = get_errno(sched_yield());
2661 break;
2662 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 2663 ret = get_errno(sched_get_priority_max(arg1));
2664 break;
31e31b8a 2665 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 2666 ret = get_errno(sched_get_priority_min(arg1));
2667 break;
31e31b8a 2668 case TARGET_NR_sched_rr_get_interval:
5cd4393b
FB		 2669 {
2670 struct target_timespec *target_ts = (void *)arg2;
2671 struct timespec ts;
2672 ret = get_errno(sched_rr_get_interval(arg1, &ts));
2673 if (!is_error(ret)) {
2674 target_ts->tv_sec = tswapl(ts.tv_sec);
2675 target_ts->tv_nsec = tswapl(ts.tv_nsec);
2676 }
2677 }
2678 break;
31e31b8a 2679 case TARGET_NR_nanosleep:
1b6b029e
FB		 2680 {
2681 struct target_timespec *target_req = (void *)arg1;
2682 struct target_timespec *target_rem = (void *)arg2;
2683 struct timespec req, rem;
2684 req.tv_sec = tswapl(target_req->tv_sec);
2685 req.tv_nsec = tswapl(target_req->tv_nsec);
2686 ret = get_errno(nanosleep(&req, &rem));
ebc05488 2687 if (is_error(ret) && target_rem) {
1b6b029e
FB		 2688 target_rem->tv_sec = tswapl(rem.tv_sec);
2689 target_rem->tv_nsec = tswapl(rem.tv_nsec);
2690 }
2691 }
2692 break;
31e31b8a 2693 case TARGET_NR_query_module:
5cd4393b 2694 goto unimplemented;
31e31b8a 2695 case TARGET_NR_nfsservctl:
5cd4393b 2696 goto unimplemented;
31e31b8a 2697 case TARGET_NR_prctl:
5cd4393b 2698 goto unimplemented;
67867308 2699#ifdef TARGET_NR_pread
31e31b8a 2700 case TARGET_NR_pread:
206f0fa7
FB		 2701 page_unprotect_range((void *)arg2, arg3);
2702 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
2703 break;
31e31b8a 2704 case TARGET_NR_pwrite:
206f0fa7
FB		 2705 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
2706 break;
67867308 2707#endif
31e31b8a 2708 case TARGET_NR_getcwd:
72f03900 2709 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
31e31b8a
FB		 2710 break;
2711 case TARGET_NR_capget:
5cd4393b 2712 goto unimplemented;
31e31b8a 2713 case TARGET_NR_capset:
5cd4393b 2714 goto unimplemented;
31e31b8a 2715 case TARGET_NR_sigaltstack:
5cd4393b 2716 goto unimplemented;
31e31b8a 2717 case TARGET_NR_sendfile:
5cd4393b 2718 goto unimplemented;
ebc05488 2719#ifdef TARGET_NR_getpmsg
31e31b8a 2720 case TARGET_NR_getpmsg:
5cd4393b 2721 goto unimplemented;
ebc05488
FB		 2722#endif
2723#ifdef TARGET_NR_putpmsg
31e31b8a 2724 case TARGET_NR_putpmsg:
5cd4393b 2725 goto unimplemented;
ebc05488 2726#endif
31e31b8a 2727 case TARGET_NR_vfork:
1b6b029e 2728 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 2729 break;
ebc05488 2730#ifdef TARGET_NR_ugetrlimit
31e31b8a 2731 case TARGET_NR_ugetrlimit:
728584be
FB		 2732 {
2733 struct rlimit rlim;
2734 ret = get_errno(getrlimit(arg1, &rlim));
2735 if (!is_error(ret)) {
2736 struct target_rlimit *target_rlim = (void *)arg2;
2737 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2738 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2739 }
2740 break;
2741 }
ebc05488 2742#endif
31e31b8a 2743 case TARGET_NR_truncate64:
5cd4393b 2744 goto unimplemented;
31e31b8a 2745 case TARGET_NR_ftruncate64:
60cd49d5 2746 goto unimplemented;
31e31b8a 2747 case TARGET_NR_stat64:
ec86b0fb 2748 ret = get_errno(stat(path((const char *)arg1), &st));
60cd49d5 2749 goto do_stat64;
31e31b8a 2750 case TARGET_NR_lstat64:
ec86b0fb 2751 ret = get_errno(lstat(path((const char *)arg1), &st));
60cd49d5 2752 goto do_stat64;
31e31b8a 2753 case TARGET_NR_fstat64:
60cd49d5
FB		 2754 {
2755 ret = get_errno(fstat(arg1, &st));
2756 do_stat64:
2757 if (!is_error(ret)) {
2758 struct target_stat64 *target_st = (void *)arg2;
ec86b0fb 2759 memset(target_st, 0, sizeof(struct target_stat64));
c573ff67
FB		 2760 put_user(st.st_dev, &target_st->st_dev);
2761 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 2762#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
c573ff67 2763 put_user(st.st_ino, &target_st->__st_ino);
ec86b0fb 2764#endif
c573ff67
FB		 2765 put_user(st.st_mode, &target_st->st_mode);
2766 put_user(st.st_nlink, &target_st->st_nlink);
2767 put_user(st.st_uid, &target_st->st_uid);
2768 put_user(st.st_gid, &target_st->st_gid);
2769 put_user(st.st_rdev, &target_st->st_rdev);
60cd49d5 2770 /* XXX: better use of kernel struct */
c573ff67
FB		 2771 put_user(st.st_size, &target_st->st_size);
2772 put_user(st.st_blksize, &target_st->st_blksize);
2773 put_user(st.st_blocks, &target_st->st_blocks);
2774 put_user(st.st_atime, &target_st->target_st_atime);
2775 put_user(st.st_mtime, &target_st->target_st_mtime);
2776 put_user(st.st_ctime, &target_st->target_st_ctime);
60cd49d5
FB		 2777 }
2778 }
2779 break;
2780
67867308
FB		 2781#ifdef USE_UID16
2782 case TARGET_NR_lchown:
2783 ret = get_errno(lchown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2784 break;
2785 case TARGET_NR_getuid:
2786 ret = get_errno(high2lowuid(getuid()));
2787 break;
2788 case TARGET_NR_getgid:
2789 ret = get_errno(high2lowgid(getgid()));
2790 break;
2791 case TARGET_NR_geteuid:
2792 ret = get_errno(high2lowuid(geteuid()));
2793 break;
2794 case TARGET_NR_getegid:
2795 ret = get_errno(high2lowgid(getegid()));
2796 break;
2797 case TARGET_NR_setreuid:
2798 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
2799 break;
2800 case TARGET_NR_setregid:
2801 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
2802 break;
2803 case TARGET_NR_getgroups:
2804 {
2805 int gidsetsize = arg1;
2806 uint16_t *target_grouplist = (void *)arg2;
2807 gid_t *grouplist;
2808 int i;
2809
2810 grouplist = alloca(gidsetsize * sizeof(gid_t));
2811 ret = get_errno(getgroups(gidsetsize, grouplist));
2812 if (!is_error(ret)) {
2813 for(i = 0;i < gidsetsize; i++)
2814 target_grouplist[i] = tswap16(grouplist[i]);
2815 }
2816 }
2817 break;
2818 case TARGET_NR_setgroups:
2819 {
2820 int gidsetsize = arg1;
2821 uint16_t *target_grouplist = (void *)arg2;
2822 gid_t *grouplist;
2823 int i;
2824
2825 grouplist = alloca(gidsetsize * sizeof(gid_t));
2826 for(i = 0;i < gidsetsize; i++)
2827 grouplist[i] = tswap16(target_grouplist[i]);
2828 ret = get_errno(setgroups(gidsetsize, grouplist));
2829 }
2830 break;
2831 case TARGET_NR_fchown:
2832 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
2833 break;
2834#ifdef TARGET_NR_setresuid
2835 case TARGET_NR_setresuid:
2836 ret = get_errno(setresuid(low2highuid(arg1),
2837 low2highuid(arg2),
2838 low2highuid(arg3)));
2839 break;
2840#endif
2841#ifdef TARGET_NR_getresuid
2842 case TARGET_NR_getresuid:
2843 {
2844 int ruid, euid, suid;
2845 ret = get_errno(getresuid(&ruid, &euid, &suid));
2846 if (!is_error(ret)) {
2847 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2848 *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2849 *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2850 }
2851 }
2852 break;
2853#endif
2854#ifdef TARGET_NR_getresgid
2855 case TARGET_NR_setresgid:
2856 ret = get_errno(setresgid(low2highgid(arg1),
2857 low2highgid(arg2),
2858 low2highgid(arg3)));
2859 break;
2860#endif
2861#ifdef TARGET_NR_getresgid
2862 case TARGET_NR_getresgid:
2863 {
2864 int rgid, egid, sgid;
2865 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2866 if (!is_error(ret)) {
2867 *(uint16_t *)arg1 = tswap16(high2lowgid(rgid));
2868 *(uint16_t *)arg2 = tswap16(high2lowgid(egid));
2869 *(uint16_t *)arg3 = tswap16(high2lowgid(sgid));
2870 }
2871 }
2872 break;
2873#endif
2874 case TARGET_NR_chown:
2875 ret = get_errno(chown((const char *)arg1, low2highuid(arg2), low2highgid(arg3)));
2876 break;
2877 case TARGET_NR_setuid:
2878 ret = get_errno(setuid(low2highuid(arg1)));
2879 break;
2880 case TARGET_NR_setgid:
2881 ret = get_errno(setgid(low2highgid(arg1)));
2882 break;
2883 case TARGET_NR_setfsuid:
2884 ret = get_errno(setfsuid(arg1));
2885 break;
2886 case TARGET_NR_setfsgid:
2887 ret = get_errno(setfsgid(arg1));
2888 break;
2889#endif /* USE_UID16 */
2890
31e31b8a 2891 case TARGET_NR_lchown32:
b03c60f3
FB		 2892 ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2893 break;
31e31b8a 2894 case TARGET_NR_getuid32:
b03c60f3
FB		 2895 ret = get_errno(getuid());
2896 break;
31e31b8a 2897 case TARGET_NR_getgid32:
b03c60f3
FB		 2898 ret = get_errno(getgid());
2899 break;
31e31b8a 2900 case TARGET_NR_geteuid32:
b03c60f3
FB		 2901 ret = get_errno(geteuid());
2902 break;
31e31b8a 2903 case TARGET_NR_getegid32:
b03c60f3
FB		 2904 ret = get_errno(getegid());
2905 break;
31e31b8a 2906 case TARGET_NR_setreuid32:
b03c60f3
FB		 2907 ret = get_errno(setreuid(arg1, arg2));
2908 break;
31e31b8a 2909 case TARGET_NR_setregid32:
b03c60f3
FB		 2910 ret = get_errno(setregid(arg1, arg2));
2911 break;
31e31b8a 2912 case TARGET_NR_getgroups32:
b03c60f3 2913 goto unimplemented;
31e31b8a 2914 case TARGET_NR_setgroups32:
b03c60f3 2915 goto unimplemented;
31e31b8a 2916 case TARGET_NR_fchown32:
b03c60f3
FB		 2917 ret = get_errno(fchown(arg1, arg2, arg3));
2918 break;
31e31b8a 2919 case TARGET_NR_setresuid32:
b03c60f3
FB		 2920 ret = get_errno(setresuid(arg1, arg2, arg3));
2921 break;
31e31b8a 2922 case TARGET_NR_getresuid32:
b03c60f3
FB		 2923 {
2924 int ruid, euid, suid;
2925 ret = get_errno(getresuid(&ruid, &euid, &suid));
2926 if (!is_error(ret)) {
2927 *(uint32_t *)arg1 = tswap32(ruid);
2928 *(uint32_t *)arg2 = tswap32(euid);
2929 *(uint32_t *)arg3 = tswap32(suid);
2930 }
2931 }
2932 break;
31e31b8a 2933 case TARGET_NR_setresgid32:
b03c60f3
FB		 2934 ret = get_errno(setresgid(arg1, arg2, arg3));
2935 break;
31e31b8a 2936 case TARGET_NR_getresgid32:
b03c60f3
FB		 2937 {
2938 int rgid, egid, sgid;
2939 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2940 if (!is_error(ret)) {
2941 *(uint32_t *)arg1 = tswap32(rgid);
2942 *(uint32_t *)arg2 = tswap32(egid);
2943 *(uint32_t *)arg3 = tswap32(sgid);
2944 }
2945 }
2946 break;
31e31b8a 2947 case TARGET_NR_chown32:
b03c60f3
FB		 2948 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2949 break;
31e31b8a 2950 case TARGET_NR_setuid32:
b03c60f3
FB		 2951 ret = get_errno(setuid(arg1));
2952 break;
31e31b8a 2953 case TARGET_NR_setgid32:
b03c60f3
FB		 2954 ret = get_errno(setgid(arg1));
2955 break;
31e31b8a 2956 case TARGET_NR_setfsuid32:
b03c60f3
FB		 2957 ret = get_errno(setfsuid(arg1));
2958 break;
31e31b8a 2959 case TARGET_NR_setfsgid32:
b03c60f3
FB		 2960 ret = get_errno(setfsgid(arg1));
2961 break;
67867308 2962
31e31b8a 2963 case TARGET_NR_pivot_root:
b03c60f3 2964 goto unimplemented;
ffa65c3b 2965#ifdef TARGET_NR_mincore
31e31b8a 2966 case TARGET_NR_mincore:
b03c60f3 2967 goto unimplemented;
ffa65c3b
FB		 2968#endif
2969#ifdef TARGET_NR_madvise
31e31b8a 2970 case TARGET_NR_madvise:
60cd49d5 2971 goto unimplemented;
ffa65c3b 2972#endif
60cd49d5 2973#if TARGET_LONG_BITS == 32
31e31b8a 2974 case TARGET_NR_fcntl64:
77e4672d
FB		 2975 {
2976 struct flock64 fl;
2977 struct target_flock64 *target_fl = (void *)arg3;
2978
60cd49d5
FB		 2979 switch(arg2) {
2980 case F_GETLK64:
77e4672d
FB		 2981 ret = get_errno(fcntl(arg1, arg2, &fl));
2982 if (ret == 0) {
2983 target_fl->l_type = tswap16(fl.l_type);
2984 target_fl->l_whence = tswap16(fl.l_whence);
2985 target_fl->l_start = tswap64(fl.l_start);
2986 target_fl->l_len = tswap64(fl.l_len);
2987 target_fl->l_pid = tswapl(fl.l_pid);
2988 }
2989 break;
2990
60cd49d5
FB		 2991 case F_SETLK64:
2992 case F_SETLKW64:
77e4672d
FB		 2993 fl.l_type = tswap16(target_fl->l_type);
2994 fl.l_whence = tswap16(target_fl->l_whence);
2995 fl.l_start = tswap64(target_fl->l_start);
2996 fl.l_len = tswap64(target_fl->l_len);
2997 fl.l_pid = tswapl(target_fl->l_pid);
2998 ret = get_errno(fcntl(arg1, arg2, &fl));
2999 break;
60cd49d5 3000 default:
7775e9ec 3001 ret = get_errno(do_fcntl(arg1, arg2, arg3));
60cd49d5
FB		 3002 break;
3003 }
77e4672d
FB		 3004 break;
3005 }
60cd49d5 3006#endif
ebc05488 3007#ifdef TARGET_NR_security
31e31b8a
FB		 3008 case TARGET_NR_security:
3009 goto unimplemented;
c573ff67
FB		 3010#endif
3011#ifdef TARGET_NR_getpagesize
3012 case TARGET_NR_getpagesize:
3013 ret = TARGET_PAGE_SIZE;
3014 break;
ebc05488 3015#endif
31e31b8a
FB		 3016 case TARGET_NR_gettid:
3017 ret = get_errno(gettid());
3018 break;
3019 case TARGET_NR_readahead:
5cd4393b 3020 goto unimplemented;
ebc05488 3021#ifdef TARGET_NR_setxattr
31e31b8a
FB		 3022 case TARGET_NR_setxattr:
3023 case TARGET_NR_lsetxattr:
3024 case TARGET_NR_fsetxattr:
3025 case TARGET_NR_getxattr:
3026 case TARGET_NR_lgetxattr:
3027 case TARGET_NR_fgetxattr:
3028 case TARGET_NR_listxattr:
3029 case TARGET_NR_llistxattr:
3030 case TARGET_NR_flistxattr:
3031 case TARGET_NR_removexattr:
3032 case TARGET_NR_lremovexattr:
3033 case TARGET_NR_fremovexattr:
5cd4393b 3034 goto unimplemented_nowarn;
ebc05488
FB		 3035#endif
3036#ifdef TARGET_NR_set_thread_area
5cd4393b
FB		 3037 case TARGET_NR_set_thread_area:
3038 case TARGET_NR_get_thread_area:
3039 goto unimplemented_nowarn;
ebc05488 3040#endif
31e31b8a
FB		 3041 default:
3042 unimplemented:
5cd4393b
FB		 3043 gemu_log("qemu: Unsupported syscall: %d\n", num);
3044 unimplemented_nowarn:
31e31b8a
FB		 3045 ret = -ENOSYS;
3046 break;
3047 }
3048 fail:
c573ff67
FB		 3049#ifdef DEBUG
3050 gemu_log(" = %ld\n", ret);
3051#endif
31e31b8a
FB		 3052 return ret;
3053}
3054
Qemu copy for testing