?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Remove unnecessary register masking (Robert Reif)
[qemu/qemu_0_9_1_stable.git] / linux-user / syscall.c
blob6f2872fffb079d97a8f42811195aa93df6444d7f
1 /*
2 * Linux syscalls
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20 #include <stdlib.h>
21 #include <stdio.h>
22 #include <stdarg.h>
23 #include <string.h>
24 #include <elf.h>
25 #include <endian.h>
26 #include <errno.h>
27 #include <unistd.h>
28 #include <fcntl.h>
29 #include <time.h>
30 #include <sys/types.h>
31 #include <sys/ipc.h>
32 #include <sys/msg.h>
33 #include <sys/wait.h>
34 #include <sys/time.h>
35 #include <sys/stat.h>
36 #include <sys/mount.h>
37 #include <sys/prctl.h>
38 #include <sys/resource.h>
39 #include <sys/mman.h>
40 #include <sys/swap.h>
41 #include <signal.h>
42 #include <sched.h>
43 #include <sys/socket.h>
44 #include <sys/uio.h>
45 #include <sys/poll.h>
46 #include <sys/times.h>
47 #include <sys/shm.h>
48 #include <sys/sem.h>
49 #include <sys/statfs.h>
50 #include <utime.h>
51 #include <sys/sysinfo.h>
52 //#include <sys/user.h>
53 #include <netinet/ip.h>
54 #include <netinet/tcp.h>
55
56 #define termios host_termios
57 #define winsize host_winsize
58 #define termio host_termio
59 #define sgttyb host_sgttyb /* same as target */
60 #define tchars host_tchars /* same as target */
61 #define ltchars host_ltchars /* same as target */
62
63 #include <linux/termios.h>
64 #include <linux/unistd.h>
65 #include <linux/utsname.h>
66 #include <linux/cdrom.h>
67 #include <linux/hdreg.h>
68 #include <linux/soundcard.h>
69 #include <linux/dirent.h>
70 #include <linux/kd.h>
71
72 #include "qemu.h"
73
74 //#define DEBUG
75
76 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
77 || defined(TARGET_M68K) || defined(TARGET_SH4) || defined(TARGET_CRIS)
78 /* 16 bit uid wrappers emulation */
79 #define USE_UID16
80 #endif
81
82 //#include <linux/msdos_fs.h>
83 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
84 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
85
86
87 #undef _syscall0
88 #undef _syscall1
89 #undef _syscall2
90 #undef _syscall3
91 #undef _syscall4
92 #undef _syscall5
93 #undef _syscall6
94
95 #define _syscall0(type,name) \
96 type name (void) \
97 { \
98 return syscall(__NR_##name); \
99 }
100
101 #define _syscall1(type,name,type1,arg1) \
102 type name (type1 arg1) \
103 { \
104 return syscall(__NR_##name, arg1); \
105 }
106
107 #define _syscall2(type,name,type1,arg1,type2,arg2) \
108 type name (type1 arg1,type2 arg2) \
109 { \
110 return syscall(__NR_##name, arg1, arg2); \
111 }
112
113 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
114 type name (type1 arg1,type2 arg2,type3 arg3) \
115 { \
116 return syscall(__NR_##name, arg1, arg2, arg3); \
117 }
118
119 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
120 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
121 { \
122 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
123 }
124
125 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
126 type5,arg5) \
127 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
128 { \
129 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
130 }
131
132
133 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
134 type5,arg5,type6,arg6) \
135 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
136 { \
137 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
138 }
139
140
141 #define __NR_sys_uname __NR_uname
142 #define __NR_sys_faccessat __NR_faccessat
143 #define __NR_sys_fchmodat __NR_fchmodat
144 #define __NR_sys_fchownat __NR_fchownat
145 #define __NR_sys_getcwd1 __NR_getcwd
146 #define __NR_sys_getdents __NR_getdents
147 #define __NR_sys_getdents64 __NR_getdents64
148 #define __NR_sys_getpriority __NR_getpriority
149 #define __NR_sys_linkat __NR_linkat
150 #define __NR_sys_mkdirat __NR_mkdirat
151 #define __NR_sys_mknodat __NR_mknodat
152 #define __NR_sys_openat __NR_openat
153 #define __NR_sys_readlinkat __NR_readlinkat
154 #define __NR_sys_renameat __NR_renameat
155 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
156 #define __NR_sys_symlinkat __NR_symlinkat
157 #define __NR_sys_syslog __NR_syslog
158 #define __NR_sys_tgkill __NR_tgkill
159 #define __NR_sys_tkill __NR_tkill
160 #define __NR_sys_unlinkat __NR_unlinkat
161 #define __NR_sys_utimensat __NR_utimensat
162
163 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
164 #define __NR__llseek __NR_lseek
165 #endif
166
167 #ifdef __NR_gettid
168 _syscall0(int, gettid)
169 #else
170 /* This is a replacement for the host gettid() and must return a host
171 errno. */
172 static int gettid(void) {
173 return -ENOSYS;
174 }
175 #endif
176 _syscall1(int,sys_uname,struct new_utsname *,buf)
177 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
178 _syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags)
179 #endif
180 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
181 _syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname,
182 mode_t,mode,int,flags)
183 #endif
184 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
185 _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
186 uid_t,owner,gid_t,group,int,flags)
187 #endif
188 _syscall2(int,sys_getcwd1,char *,buf,size_t,size)
189 _syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
190 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
191 _syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
192 #endif
193 _syscall2(int, sys_getpriority, int, which, int, who);
194 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
195 loff_t *, res, uint, wh);
196 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
197 _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
198 int,newdirfd,const char *,newpath,int,flags)
199 #endif
200 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
201 _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
202 #endif
203 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
204 _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
205 mode_t,mode,dev_t,dev)
206 #endif
207 #if defined(TARGET_NR_openat) && defined(__NR_openat)
208 _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
209 #endif
210 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
211 _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
212 char *,buf,size_t,bufsize)
213 #endif
214 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
215 _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
216 int,newdirfd,const char *,newpath)
217 #endif
218 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
219 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
220 _syscall3(int,sys_symlinkat,const char *,oldpath,
221 int,newdirfd,const char *,newpath)
222 #endif
223 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
224 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
225 _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
226 #endif
227 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
228 _syscall2(int,sys_tkill,int,tid,int,sig)
229 #endif
230 #ifdef __NR_exit_group
231 _syscall1(int,exit_group,int,error_code)
232 #endif
233 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
234 _syscall1(int,set_tid_address,int *,tidptr)
235 #endif
236 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
237 _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
238 #endif
239 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
240 _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
241 const struct timespec *,tsp,int,flags)
242 #endif
243
244 extern int personality(int);
245 extern int flock(int, int);
246 extern int setfsuid(int);
247 extern int setfsgid(int);
248 extern int setresuid(uid_t, uid_t, uid_t);
249 extern int getresuid(uid_t *, uid_t *, uid_t *);
250 extern int setresgid(gid_t, gid_t, gid_t);
251 extern int getresgid(gid_t *, gid_t *, gid_t *);
252 extern int setgroups(int, gid_t *);
253
254 #define ERRNO_TABLE_SIZE 1200
255
256 /* target_to_host_errno_table[] is initialized from
257 * host_to_target_errno_table[] in syscall_init(). */
258 static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
259 };
260
261 /*
262 * This list is the union of errno values overridden in asm-<arch>/errno.h
263 * minus the errnos that are not actually generic to all archs.
264 */
265 static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
266 [EIDRM] = TARGET_EIDRM,
267 [ECHRNG] = TARGET_ECHRNG,
268 [EL2NSYNC] = TARGET_EL2NSYNC,
269 [EL3HLT] = TARGET_EL3HLT,
270 [EL3RST] = TARGET_EL3RST,
271 [ELNRNG] = TARGET_ELNRNG,
272 [EUNATCH] = TARGET_EUNATCH,
273 [ENOCSI] = TARGET_ENOCSI,
274 [EL2HLT] = TARGET_EL2HLT,
275 [EDEADLK] = TARGET_EDEADLK,
276 [ENOLCK] = TARGET_ENOLCK,
277 [EBADE] = TARGET_EBADE,
278 [EBADR] = TARGET_EBADR,
279 [EXFULL] = TARGET_EXFULL,
280 [ENOANO] = TARGET_ENOANO,
281 [EBADRQC] = TARGET_EBADRQC,
282 [EBADSLT] = TARGET_EBADSLT,
283 [EBFONT] = TARGET_EBFONT,
284 [ENOSTR] = TARGET_ENOSTR,
285 [ENODATA] = TARGET_ENODATA,
286 [ETIME] = TARGET_ETIME,
287 [ENOSR] = TARGET_ENOSR,
288 [ENONET] = TARGET_ENONET,
289 [ENOPKG] = TARGET_ENOPKG,
290 [EREMOTE] = TARGET_EREMOTE,
291 [ENOLINK] = TARGET_ENOLINK,
292 [EADV] = TARGET_EADV,
293 [ESRMNT] = TARGET_ESRMNT,
294 [ECOMM] = TARGET_ECOMM,
295 [EPROTO] = TARGET_EPROTO,
296 [EDOTDOT] = TARGET_EDOTDOT,
297 [EMULTIHOP] = TARGET_EMULTIHOP,
298 [EBADMSG] = TARGET_EBADMSG,
299 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
300 [EOVERFLOW] = TARGET_EOVERFLOW,
301 [ENOTUNIQ] = TARGET_ENOTUNIQ,
302 [EBADFD] = TARGET_EBADFD,
303 [EREMCHG] = TARGET_EREMCHG,
304 [ELIBACC] = TARGET_ELIBACC,
305 [ELIBBAD] = TARGET_ELIBBAD,
306 [ELIBSCN] = TARGET_ELIBSCN,
307 [ELIBMAX] = TARGET_ELIBMAX,
308 [ELIBEXEC] = TARGET_ELIBEXEC,
309 [EILSEQ] = TARGET_EILSEQ,
310 [ENOSYS] = TARGET_ENOSYS,
311 [ELOOP] = TARGET_ELOOP,
312 [ERESTART] = TARGET_ERESTART,
313 [ESTRPIPE] = TARGET_ESTRPIPE,
314 [ENOTEMPTY] = TARGET_ENOTEMPTY,
315 [EUSERS] = TARGET_EUSERS,
316 [ENOTSOCK] = TARGET_ENOTSOCK,
317 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
318 [EMSGSIZE] = TARGET_EMSGSIZE,
319 [EPROTOTYPE] = TARGET_EPROTOTYPE,
320 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
321 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
322 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
323 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
324 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
325 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
326 [EADDRINUSE] = TARGET_EADDRINUSE,
327 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
328 [ENETDOWN] = TARGET_ENETDOWN,
329 [ENETUNREACH] = TARGET_ENETUNREACH,
330 [ENETRESET] = TARGET_ENETRESET,
331 [ECONNABORTED] = TARGET_ECONNABORTED,
332 [ECONNRESET] = TARGET_ECONNRESET,
333 [ENOBUFS] = TARGET_ENOBUFS,
334 [EISCONN] = TARGET_EISCONN,
335 [ENOTCONN] = TARGET_ENOTCONN,
336 [EUCLEAN] = TARGET_EUCLEAN,
337 [ENOTNAM] = TARGET_ENOTNAM,
338 [ENAVAIL] = TARGET_ENAVAIL,
339 [EISNAM] = TARGET_EISNAM,
340 [EREMOTEIO] = TARGET_EREMOTEIO,
341 [ESHUTDOWN] = TARGET_ESHUTDOWN,
342 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
343 [ETIMEDOUT] = TARGET_ETIMEDOUT,
344 [ECONNREFUSED] = TARGET_ECONNREFUSED,
345 [EHOSTDOWN] = TARGET_EHOSTDOWN,
346 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
347 [EALREADY] = TARGET_EALREADY,
348 [EINPROGRESS] = TARGET_EINPROGRESS,
349 [ESTALE] = TARGET_ESTALE,
350 [ECANCELED] = TARGET_ECANCELED,
351 [ENOMEDIUM] = TARGET_ENOMEDIUM,
352 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
353 #ifdef ENOKEY
354 [ENOKEY] = TARGET_ENOKEY,
355 #endif
356 #ifdef EKEYEXPIRED
357 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
358 #endif
359 #ifdef EKEYREVOKED
360 [EKEYREVOKED] = TARGET_EKEYREVOKED,
361 #endif
362 #ifdef EKEYREJECTED
363 [EKEYREJECTED] = TARGET_EKEYREJECTED,
364 #endif
365 #ifdef EOWNERDEAD
366 [EOWNERDEAD] = TARGET_EOWNERDEAD,
367 #endif
368 #ifdef ENOTRECOVERABLE
369 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
370 #endif
371 };
372
373 static inline int host_to_target_errno(int err)
374 {
375 if(host_to_target_errno_table[err])
376 return host_to_target_errno_table[err];
377 return err;
378 }
379
380 static inline int target_to_host_errno(int err)
381 {
382 if (target_to_host_errno_table[err])
383 return target_to_host_errno_table[err];
384 return err;
385 }
386
387 static inline abi_long get_errno(abi_long ret)
388 {
389 if (ret == -1)
390 return -host_to_target_errno(errno);
391 else
392 return ret;
393 }
394
395 static inline int is_error(abi_long ret)
396 {
397 return (abi_ulong)ret >= (abi_ulong)(-4096);
398 }
399
400 char *target_strerror(int err)
401 {
402 return strerror(target_to_host_errno(err));
403 }
404
405 static abi_ulong target_brk;
406 static abi_ulong target_original_brk;
407
408 void target_set_brk(abi_ulong new_brk)
409 {
410 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
411 }
412
413 /* do_brk() must return target values and target errnos. */
414 abi_long do_brk(abi_ulong new_brk)
415 {
416 abi_ulong brk_page;
417 abi_long mapped_addr;
418 int new_alloc_size;
419
420 if (!new_brk)
421 return target_brk;
422 if (new_brk < target_original_brk)
423 return -TARGET_ENOMEM;
424
425 brk_page = HOST_PAGE_ALIGN(target_brk);
426
427 /* If the new brk is less than this, set it and we're done... */
428 if (new_brk < brk_page) {
429 target_brk = new_brk;
430 return target_brk;
431 }
432
433 /* We need to allocate more memory after the brk... */
434 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
435 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
436 PROT_READ|PROT_WRITE,
437 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
438 if (is_error(mapped_addr)) {
439 return mapped_addr;
440 } else {
441 target_brk = new_brk;
442 return target_brk;
443 }
444 }
445
446 static inline fd_set *target_to_host_fds(fd_set *fds,
447 abi_long *target_fds, int n)
448 {
449 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
450 return (fd_set *)target_fds;
451 #else
452 int i, b;
453 if (target_fds) {
454 FD_ZERO(fds);
455 for(i = 0;i < n; i++) {
456 b = (tswapl(target_fds[i / TARGET_ABI_BITS]) >>
457 (i & (TARGET_ABI_BITS - 1))) & 1;
458 if (b)
459 FD_SET(i, fds);
460 }
461 return fds;
462 } else {
463 return NULL;
464 }
465 #endif
466 }
467
468 static inline void host_to_target_fds(abi_long *target_fds,
469 fd_set *fds, int n)
470 {
471 #if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
472 /* nothing to do */
473 #else
474 int i, nw, j, k;
475 abi_long v;
476
477 if (target_fds) {
478 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
479 k = 0;
480 for(i = 0;i < nw; i++) {
481 v = 0;
482 for(j = 0; j < TARGET_ABI_BITS; j++) {
483 v |= ((FD_ISSET(k, fds) != 0) << j);
484 k++;
485 }
486 target_fds[i] = tswapl(v);
487 }
488 }
489 #endif
490 }
491
492 #if defined(__alpha__)
493 #define HOST_HZ 1024
494 #else
495 #define HOST_HZ 100
496 #endif
497
498 static inline abi_long host_to_target_clock_t(long ticks)
499 {
500 #if HOST_HZ == TARGET_HZ
501 return ticks;
502 #else
503 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
504 #endif
505 }
506
507 static inline abi_long host_to_target_rusage(abi_ulong target_addr,
508 const struct rusage *rusage)
509 {
510 struct target_rusage *target_rusage;
511
512 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
513 return -TARGET_EFAULT;
514 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
515 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
516 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
517 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
518 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
519 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
520 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
521 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
522 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
523 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
524 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
525 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
526 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
527 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
528 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
529 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
530 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
531 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
532 unlock_user_struct(target_rusage, target_addr, 1);
533
534 return 0;
535 }
536
537 static inline abi_long target_to_host_timeval(struct timeval *tv,
538 abi_ulong target_addr)
539 {
540 struct target_timeval *target_tv;
541
542 if (!lock_user_struct(VERIFY_READ, target_tv, target_addr, 1))
543 return -TARGET_EFAULT;
544 tv->tv_sec = tswapl(target_tv->tv_sec);
545 tv->tv_usec = tswapl(target_tv->tv_usec);
546 unlock_user_struct(target_tv, target_addr, 0);
547
548 return 0;
549 }
550
551 static inline abi_long host_to_target_timeval(abi_ulong target_addr,
552 const struct timeval *tv)
553 {
554 struct target_timeval *target_tv;
555
556 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_addr, 0))
557 return -TARGET_EFAULT;
558 target_tv->tv_sec = tswapl(tv->tv_sec);
559 target_tv->tv_usec = tswapl(tv->tv_usec);
560 unlock_user_struct(target_tv, target_addr, 1);
561
562 return 0;
563 }
564
565
566 /* do_select() must return target values and target errnos. */
567 static abi_long do_select(int n,
568 abi_ulong rfd_p, abi_ulong wfd_p,
569 abi_ulong efd_p, abi_ulong target_tv)
570 {
571 fd_set rfds, wfds, efds;
572 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
573 abi_long *target_rfds, *target_wfds, *target_efds;
574 struct timeval tv, *tv_ptr;
575 abi_long ret;
576 int ok;
577
578 if (rfd_p) {
579 target_rfds = lock_user(VERIFY_WRITE, rfd_p, sizeof(abi_long) * n, 1);
580 if (!target_rfds) {
581 ret = -TARGET_EFAULT;
582 goto end;
583 }
584 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
585 } else {
586 target_rfds = NULL;
587 rfds_ptr = NULL;
588 }
589 if (wfd_p) {
590 target_wfds = lock_user(VERIFY_WRITE, wfd_p, sizeof(abi_long) * n, 1);
591 if (!target_wfds) {
592 ret = -TARGET_EFAULT;
593 goto end;
594 }
595 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
596 } else {
597 target_wfds = NULL;
598 wfds_ptr = NULL;
599 }
600 if (efd_p) {
601 target_efds = lock_user(VERIFY_WRITE, efd_p, sizeof(abi_long) * n, 1);
602 if (!target_efds) {
603 ret = -TARGET_EFAULT;
604 goto end;
605 }
606 efds_ptr = target_to_host_fds(&efds, target_efds, n);
607 } else {
608 target_efds = NULL;
609 efds_ptr = NULL;
610 }
611
612 if (target_tv) {
613 target_to_host_timeval(&tv, target_tv);
614 tv_ptr = &tv;
615 } else {
616 tv_ptr = NULL;
617 }
618 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
619 ok = !is_error(ret);
620
621 if (ok) {
622 host_to_target_fds(target_rfds, rfds_ptr, n);
623 host_to_target_fds(target_wfds, wfds_ptr, n);
624 host_to_target_fds(target_efds, efds_ptr, n);
625
626 if (target_tv) {
627 host_to_target_timeval(target_tv, &tv);
628 }
629 }
630
631 end:
632 unlock_user(target_rfds, rfd_p, ok ? sizeof(abi_long) * n : 0);
633 unlock_user(target_wfds, wfd_p, ok ? sizeof(abi_long) * n : 0);
634 unlock_user(target_efds, efd_p, ok ? sizeof(abi_long) * n : 0);
635
636 return ret;
637 }
638
639 static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
640 abi_ulong target_addr,
641 socklen_t len)
642 {
643 struct target_sockaddr *target_saddr;
644
645 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
646 if (!target_saddr)
647 return -TARGET_EFAULT;
648 memcpy(addr, target_saddr, len);
649 addr->sa_family = tswap16(target_saddr->sa_family);
650 unlock_user(target_saddr, target_addr, 0);
651
652 return 0;
653 }
654
655 static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
656 struct sockaddr *addr,
657 socklen_t len)
658 {
659 struct target_sockaddr *target_saddr;
660
661 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
662 if (!target_saddr)
663 return -TARGET_EFAULT;
664 memcpy(target_saddr, addr, len);
665 target_saddr->sa_family = tswap16(addr->sa_family);
666 unlock_user(target_saddr, target_addr, len);
667
668 return 0;
669 }
670
671 /* ??? Should this also swap msgh->name? */
672 static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
673 struct target_msghdr *target_msgh)
674 {
675 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
676 abi_long msg_controllen;
677 abi_ulong target_cmsg_addr;
678 struct target_cmsghdr *target_cmsg;
679 socklen_t space = 0;
680
681 msg_controllen = tswapl(target_msgh->msg_controllen);
682 if (msg_controllen < sizeof (struct target_cmsghdr))
683 goto the_end;
684 target_cmsg_addr = tswapl(target_msgh->msg_control);
685 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
686 if (!target_cmsg)
687 return -TARGET_EFAULT;
688
689 while (cmsg && target_cmsg) {
690 void *data = CMSG_DATA(cmsg);
691 void *target_data = TARGET_CMSG_DATA(target_cmsg);
692
693 int len = tswapl(target_cmsg->cmsg_len)
694 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
695
696 space += CMSG_SPACE(len);
697 if (space > msgh->msg_controllen) {
698 space -= CMSG_SPACE(len);
699 gemu_log("Host cmsg overflow\n");
700 break;
701 }
702
703 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
704 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
705 cmsg->cmsg_len = CMSG_LEN(len);
706
707 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
708 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
709 memcpy(data, target_data, len);
710 } else {
711 int *fd = (int *)data;
712 int *target_fd = (int *)target_data;
713 int i, numfds = len / sizeof(int);
714
715 for (i = 0; i < numfds; i++)
716 fd[i] = tswap32(target_fd[i]);
717 }
718
719 cmsg = CMSG_NXTHDR(msgh, cmsg);
720 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
721 }
722 unlock_user(target_cmsg, target_cmsg_addr, 0);
723 the_end:
724 msgh->msg_controllen = space;
725 return 0;
726 }
727
728 /* ??? Should this also swap msgh->name? */
729 static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
730 struct msghdr *msgh)
731 {
732 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
733 abi_long msg_controllen;
734 abi_ulong target_cmsg_addr;
735 struct target_cmsghdr *target_cmsg;
736 socklen_t space = 0;
737
738 msg_controllen = tswapl(target_msgh->msg_controllen);
739 if (msg_controllen < sizeof (struct target_cmsghdr))
740 goto the_end;
741 target_cmsg_addr = tswapl(target_msgh->msg_control);
742 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
743 if (!target_cmsg)
744 return -TARGET_EFAULT;
745
746 while (cmsg && target_cmsg) {
747 void *data = CMSG_DATA(cmsg);
748 void *target_data = TARGET_CMSG_DATA(target_cmsg);
749
750 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
751
752 space += TARGET_CMSG_SPACE(len);
753 if (space > msg_controllen) {
754 space -= TARGET_CMSG_SPACE(len);
755 gemu_log("Target cmsg overflow\n");
756 break;
757 }
758
759 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
760 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
761 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
762
763 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
764 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
765 memcpy(target_data, data, len);
766 } else {
767 int *fd = (int *)data;
768 int *target_fd = (int *)target_data;
769 int i, numfds = len / sizeof(int);
770
771 for (i = 0; i < numfds; i++)
772 target_fd[i] = tswap32(fd[i]);
773 }
774
775 cmsg = CMSG_NXTHDR(msgh, cmsg);
776 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
777 }
778 unlock_user(target_cmsg, target_cmsg_addr, space);
779 the_end:
780 target_msgh->msg_controllen = tswapl(space);
781 return 0;
782 }
783
784 /* do_setsockopt() Must return target values and target errnos. */
785 static abi_long do_setsockopt(int sockfd, int level, int optname,
786 abi_ulong optval_addr, socklen_t optlen)
787 {
788 abi_long ret;
789 int val;
790
791 switch(level) {
792 case SOL_TCP:
793 /* TCP options all take an 'int' value. */
794 if (optlen < sizeof(uint32_t))
795 return -TARGET_EINVAL;
796
797 if (get_user_u32(val, optval_addr))
798 return -TARGET_EFAULT;
799 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
800 break;
801 case SOL_IP:
802 switch(optname) {
803 case IP_TOS:
804 case IP_TTL:
805 case IP_HDRINCL:
806 case IP_ROUTER_ALERT:
807 case IP_RECVOPTS:
808 case IP_RETOPTS:
809 case IP_PKTINFO:
810 case IP_MTU_DISCOVER:
811 case IP_RECVERR:
812 case IP_RECVTOS:
813 #ifdef IP_FREEBIND
814 case IP_FREEBIND:
815 #endif
816 case IP_MULTICAST_TTL:
817 case IP_MULTICAST_LOOP:
818 val = 0;
819 if (optlen >= sizeof(uint32_t)) {
820 if (get_user_u32(val, optval_addr))
821 return -TARGET_EFAULT;
822 } else if (optlen >= 1) {
823 if (get_user_u8(val, optval_addr))
824 return -TARGET_EFAULT;
825 }
826 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
827 break;
828 default:
829 goto unimplemented;
830 }
831 break;
832 case TARGET_SOL_SOCKET:
833 switch (optname) {
834 /* Options with 'int' argument. */
835 case TARGET_SO_DEBUG:
836 optname = SO_DEBUG;
837 break;
838 case TARGET_SO_REUSEADDR:
839 optname = SO_REUSEADDR;
840 break;
841 case TARGET_SO_TYPE:
842 optname = SO_TYPE;
843 break;
844 case TARGET_SO_ERROR:
845 optname = SO_ERROR;
846 break;
847 case TARGET_SO_DONTROUTE:
848 optname = SO_DONTROUTE;
849 break;
850 case TARGET_SO_BROADCAST:
851 optname = SO_BROADCAST;
852 break;
853 case TARGET_SO_SNDBUF:
854 optname = SO_SNDBUF;
855 break;
856 case TARGET_SO_RCVBUF:
857 optname = SO_RCVBUF;
858 break;
859 case TARGET_SO_KEEPALIVE:
860 optname = SO_KEEPALIVE;
861 break;
862 case TARGET_SO_OOBINLINE:
863 optname = SO_OOBINLINE;
864 break;
865 case TARGET_SO_NO_CHECK:
866 optname = SO_NO_CHECK;
867 break;
868 case TARGET_SO_PRIORITY:
869 optname = SO_PRIORITY;
870 break;
871 #ifdef SO_BSDCOMPAT
872 case TARGET_SO_BSDCOMPAT:
873 optname = SO_BSDCOMPAT;
874 break;
875 #endif
876 case TARGET_SO_PASSCRED:
877 optname = SO_PASSCRED;
878 break;
879 case TARGET_SO_TIMESTAMP:
880 optname = SO_TIMESTAMP;
881 break;
882 case TARGET_SO_RCVLOWAT:
883 optname = SO_RCVLOWAT;
884 break;
885 case TARGET_SO_RCVTIMEO:
886 optname = SO_RCVTIMEO;
887 break;
888 case TARGET_SO_SNDTIMEO:
889 optname = SO_SNDTIMEO;
890 break;
891 break;
892 default:
893 goto unimplemented;
894 }
895 if (optlen < sizeof(uint32_t))
896 return -TARGET_EINVAL;
897
898 if (get_user_u32(val, optval_addr))
899 return -TARGET_EFAULT;
900 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
901 break;
902 default:
903 unimplemented:
904 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
905 ret = -TARGET_ENOSYS;
906 }
907 return ret;
908 }
909
910 /* do_getsockopt() Must return target values and target errnos. */
911 static abi_long do_getsockopt(int sockfd, int level, int optname,
912 abi_ulong optval_addr, abi_ulong optlen)
913 {
914 abi_long ret;
915 int len, lv, val;
916
917 switch(level) {
918 case TARGET_SOL_SOCKET:
919 level = SOL_SOCKET;
920 switch (optname) {
921 case TARGET_SO_LINGER:
922 case TARGET_SO_RCVTIMEO:
923 case TARGET_SO_SNDTIMEO:
924 case TARGET_SO_PEERCRED:
925 case TARGET_SO_PEERNAME:
926 /* These don't just return a single integer */
927 goto unimplemented;
928 default:
929 goto int_case;
930 }
931 break;
932 case SOL_TCP:
933 /* TCP options all take an 'int' value. */
934 int_case:
935 if (get_user_u32(len, optlen))
936 return -TARGET_EFAULT;
937 if (len < 0)
938 return -TARGET_EINVAL;
939 lv = sizeof(int);
940 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
941 if (ret < 0)
942 return ret;
943 val = tswap32(val);
944 if (len > lv)
945 len = lv;
946 if (len == 4) {
947 if (put_user_u32(val, optval_addr))
948 return -TARGET_EFAULT;
949 } else {
950 if (put_user_u8(val, optval_addr))
951 return -TARGET_EFAULT;
952 }
953 if (put_user_u32(len, optlen))
954 return -TARGET_EFAULT;
955 break;
956 case SOL_IP:
957 switch(optname) {
958 case IP_TOS:
959 case IP_TTL:
960 case IP_HDRINCL:
961 case IP_ROUTER_ALERT:
962 case IP_RECVOPTS:
963 case IP_RETOPTS:
964 case IP_PKTINFO:
965 case IP_MTU_DISCOVER:
966 case IP_RECVERR:
967 case IP_RECVTOS:
968 #ifdef IP_FREEBIND
969 case IP_FREEBIND:
970 #endif
971 case IP_MULTICAST_TTL:
972 case IP_MULTICAST_LOOP:
973 if (get_user_u32(len, optlen))
974 return -TARGET_EFAULT;
975 if (len < 0)
976 return -TARGET_EINVAL;
977 lv = sizeof(int);
978 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
979 if (ret < 0)
980 return ret;
981 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
982 len = 1;
983 if (put_user_u32(len, optlen)
984 || put_user_u8(val, optval_addr))
985 return -TARGET_EFAULT;
986 } else {
987 if (len > sizeof(int))
988 len = sizeof(int);
989 if (put_user_u32(len, optlen)
990 || put_user_u32(val, optval_addr))
991 return -TARGET_EFAULT;
992 }
993 break;
994 default:
995 goto unimplemented;
996 }
997 break;
998 default:
999 unimplemented:
1000 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1001 level, optname);
1002 ret = -TARGET_ENOSYS;
1003 break;
1004 }
1005 return ret;
1006 }
1007
1008 /* FIXME
1009 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1010 * other lock functions have a return code of 0 for failure.
1011 */
1012 static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1013 int count, int copy)
1014 {
1015 struct target_iovec *target_vec;
1016 abi_ulong base;
1017 int i, j;
1018
1019 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1020 if (!target_vec)
1021 return -TARGET_EFAULT;
1022 for(i = 0;i < count; i++) {
1023 base = tswapl(target_vec[i].iov_base);
1024 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1025 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
1026 if (!vec[i].iov_base)
1027 goto fail;
1028 }
1029 unlock_user (target_vec, target_addr, 0);
1030 return 0;
1031 fail:
1032 /* failure - unwind locks */
1033 for (j = 0; j < i; j++) {
1034 base = tswapl(target_vec[j].iov_base);
1035 unlock_user(vec[j].iov_base, base, 0);
1036 }
1037 unlock_user (target_vec, target_addr, 0);
1038 return -TARGET_EFAULT;
1039 }
1040
1041 static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1042 int count, int copy)
1043 {
1044 struct target_iovec *target_vec;
1045 abi_ulong base;
1046 int i;
1047
1048 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1049 if (!target_vec)
1050 return -TARGET_EFAULT;
1051 for(i = 0;i < count; i++) {
1052 base = tswapl(target_vec[i].iov_base);
1053 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1054 }
1055 unlock_user (target_vec, target_addr, 0);
1056
1057 return 0;
1058 }
1059
1060 /* do_socket() Must return target values and target errnos. */
1061 static abi_long do_socket(int domain, int type, int protocol)
1062 {
1063 #if defined(TARGET_MIPS)
1064 switch(type) {
1065 case TARGET_SOCK_DGRAM:
1066 type = SOCK_DGRAM;
1067 break;
1068 case TARGET_SOCK_STREAM:
1069 type = SOCK_STREAM;
1070 break;
1071 case TARGET_SOCK_RAW:
1072 type = SOCK_RAW;
1073 break;
1074 case TARGET_SOCK_RDM:
1075 type = SOCK_RDM;
1076 break;
1077 case TARGET_SOCK_SEQPACKET:
1078 type = SOCK_SEQPACKET;
1079 break;
1080 case TARGET_SOCK_PACKET:
1081 type = SOCK_PACKET;
1082 break;
1083 }
1084 #endif
1085 if (domain == PF_NETLINK)
1086 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
1087 return get_errno(socket(domain, type, protocol));
1088 }
1089
1090 /* do_bind() Must return target values and target errnos. */
1091 static abi_long do_bind(int sockfd, abi_ulong target_addr,
1092 socklen_t addrlen)
1093 {
1094 void *addr = alloca(addrlen);
1095
1096 target_to_host_sockaddr(addr, target_addr, addrlen);
1097 return get_errno(bind(sockfd, addr, addrlen));
1098 }
1099
1100 /* do_connect() Must return target values and target errnos. */
1101 static abi_long do_connect(int sockfd, abi_ulong target_addr,
1102 socklen_t addrlen)
1103 {
1104 void *addr = alloca(addrlen);
1105
1106 target_to_host_sockaddr(addr, target_addr, addrlen);
1107 return get_errno(connect(sockfd, addr, addrlen));
1108 }
1109
1110 /* do_sendrecvmsg() Must return target values and target errnos. */
1111 static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1112 int flags, int send)
1113 {
1114 abi_long ret;
1115 struct target_msghdr *msgp;
1116 struct msghdr msg;
1117 int count;
1118 struct iovec *vec;
1119 abi_ulong target_vec;
1120
1121 /* FIXME */
1122 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1123 msgp,
1124 target_msg,
1125 send ? 1 : 0))
1126 return -TARGET_EFAULT;
1127 if (msgp->msg_name) {
1128 msg.msg_namelen = tswap32(msgp->msg_namelen);
1129 msg.msg_name = alloca(msg.msg_namelen);
1130 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1131 msg.msg_namelen);
1132 } else {
1133 msg.msg_name = NULL;
1134 msg.msg_namelen = 0;
1135 }
1136 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1137 msg.msg_control = alloca(msg.msg_controllen);
1138 msg.msg_flags = tswap32(msgp->msg_flags);
1139
1140 count = tswapl(msgp->msg_iovlen);
1141 vec = alloca(count * sizeof(struct iovec));
1142 target_vec = tswapl(msgp->msg_iov);
1143 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1144 msg.msg_iovlen = count;
1145 msg.msg_iov = vec;
1146
1147 if (send) {
1148 ret = target_to_host_cmsg(&msg, msgp);
1149 if (ret == 0)
1150 ret = get_errno(sendmsg(fd, &msg, flags));
1151 } else {
1152 ret = get_errno(recvmsg(fd, &msg, flags));
1153 if (!is_error(ret))
1154 ret = host_to_target_cmsg(msgp, &msg);
1155 }
1156 unlock_iovec(vec, target_vec, count, !send);
1157 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1158 return ret;
1159 }
1160
1161 /* do_accept() Must return target values and target errnos. */
1162 static abi_long do_accept(int fd, abi_ulong target_addr,
1163 abi_ulong target_addrlen_addr)
1164 {
1165 socklen_t addrlen;
1166 void *addr;
1167 abi_long ret;
1168
1169 if (get_user_u32(addrlen, target_addrlen_addr))
1170 return -TARGET_EFAULT;
1171
1172 addr = alloca(addrlen);
1173
1174 ret = get_errno(accept(fd, addr, &addrlen));
1175 if (!is_error(ret)) {
1176 host_to_target_sockaddr(target_addr, addr, addrlen);
1177 if (put_user_u32(addrlen, target_addrlen_addr))
1178 ret = -TARGET_EFAULT;
1179 }
1180 return ret;
1181 }
1182
1183 /* do_getpeername() Must return target values and target errnos. */
1184 static abi_long do_getpeername(int fd, abi_ulong target_addr,
1185 abi_ulong target_addrlen_addr)
1186 {
1187 socklen_t addrlen;
1188 void *addr;
1189 abi_long ret;
1190
1191 if (get_user_u32(addrlen, target_addrlen_addr))
1192 return -TARGET_EFAULT;
1193
1194 addr = alloca(addrlen);
1195
1196 ret = get_errno(getpeername(fd, addr, &addrlen));
1197 if (!is_error(ret)) {
1198 host_to_target_sockaddr(target_addr, addr, addrlen);
1199 if (put_user_u32(addrlen, target_addrlen_addr))
1200 ret = -TARGET_EFAULT;
1201 }
1202 return ret;
1203 }
1204
1205 /* do_getsockname() Must return target values and target errnos. */
1206 static abi_long do_getsockname(int fd, abi_ulong target_addr,
1207 abi_ulong target_addrlen_addr)
1208 {
1209 socklen_t addrlen;
1210 void *addr;
1211 abi_long ret;
1212
1213 if (get_user_u32(addrlen, target_addrlen_addr))
1214 return -TARGET_EFAULT;
1215
1216 addr = alloca(addrlen);
1217
1218 ret = get_errno(getsockname(fd, addr, &addrlen));
1219 if (!is_error(ret)) {
1220 host_to_target_sockaddr(target_addr, addr, addrlen);
1221 if (put_user_u32(addrlen, target_addrlen_addr))
1222 ret = -TARGET_EFAULT;
1223 }
1224 return ret;
1225 }
1226
1227 /* do_socketpair() Must return target values and target errnos. */
1228 static abi_long do_socketpair(int domain, int type, int protocol,
1229 abi_ulong target_tab_addr)
1230 {
1231 int tab[2];
1232 abi_long ret;
1233
1234 ret = get_errno(socketpair(domain, type, protocol, tab));
1235 if (!is_error(ret)) {
1236 if (put_user_s32(tab[0], target_tab_addr)
1237 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1238 ret = -TARGET_EFAULT;
1239 }
1240 return ret;
1241 }
1242
1243 /* do_sendto() Must return target values and target errnos. */
1244 static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1245 abi_ulong target_addr, socklen_t addrlen)
1246 {
1247 void *addr;
1248 void *host_msg;
1249 abi_long ret;
1250
1251 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1252 if (!host_msg)
1253 return -TARGET_EFAULT;
1254 if (target_addr) {
1255 addr = alloca(addrlen);
1256 target_to_host_sockaddr(addr, target_addr, addrlen);
1257 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1258 } else {
1259 ret = get_errno(send(fd, host_msg, len, flags));
1260 }
1261 unlock_user(host_msg, msg, 0);
1262 return ret;
1263 }
1264
1265 /* do_recvfrom() Must return target values and target errnos. */
1266 static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1267 abi_ulong target_addr,
1268 abi_ulong target_addrlen)
1269 {
1270 socklen_t addrlen;
1271 void *addr;
1272 void *host_msg;
1273 abi_long ret;
1274
1275 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1276 if (!host_msg)
1277 return -TARGET_EFAULT;
1278 if (target_addr) {
1279 if (get_user_u32(addrlen, target_addrlen)) {
1280 ret = -TARGET_EFAULT;
1281 goto fail;
1282 }
1283 addr = alloca(addrlen);
1284 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1285 } else {
1286 addr = NULL; /* To keep compiler quiet. */
1287 ret = get_errno(recv(fd, host_msg, len, flags));
1288 }
1289 if (!is_error(ret)) {
1290 if (target_addr) {
1291 host_to_target_sockaddr(target_addr, addr, addrlen);
1292 if (put_user_u32(addrlen, target_addrlen)) {
1293 ret = -TARGET_EFAULT;
1294 goto fail;
1295 }
1296 }
1297 unlock_user(host_msg, msg, len);
1298 } else {
1299 fail:
1300 unlock_user(host_msg, msg, 0);
1301 }
1302 return ret;
1303 }
1304
1305 #ifdef TARGET_NR_socketcall
1306 /* do_socketcall() Must return target values and target errnos. */
1307 static abi_long do_socketcall(int num, abi_ulong vptr)
1308 {
1309 abi_long ret;
1310 const int n = sizeof(abi_ulong);
1311
1312 switch(num) {
1313 case SOCKOP_socket:
1314 {
1315 int domain, type, protocol;
1316
1317 if (get_user_s32(domain, vptr)
1318 || get_user_s32(type, vptr + n)
1319 || get_user_s32(protocol, vptr + 2 * n))
1320 return -TARGET_EFAULT;
1321
1322 ret = do_socket(domain, type, protocol);
1323 }
1324 break;
1325 case SOCKOP_bind:
1326 {
1327 int sockfd;
1328 abi_ulong target_addr;
1329 socklen_t addrlen;
1330
1331 if (get_user_s32(sockfd, vptr)
1332 || get_user_ual(target_addr, vptr + n)
1333 || get_user_u32(addrlen, vptr + 2 * n))
1334 return -TARGET_EFAULT;
1335
1336 ret = do_bind(sockfd, target_addr, addrlen);
1337 }
1338 break;
1339 case SOCKOP_connect:
1340 {
1341 int sockfd;
1342 abi_ulong target_addr;
1343 socklen_t addrlen;
1344
1345 if (get_user_s32(sockfd, vptr)
1346 || get_user_ual(target_addr, vptr + n)
1347 || get_user_u32(addrlen, vptr + 2 * n))
1348 return -TARGET_EFAULT;
1349
1350 ret = do_connect(sockfd, target_addr, addrlen);
1351 }
1352 break;
1353 case SOCKOP_listen:
1354 {
1355 int sockfd, backlog;
1356
1357 if (get_user_s32(sockfd, vptr)
1358 || get_user_s32(backlog, vptr + n))
1359 return -TARGET_EFAULT;
1360
1361 ret = get_errno(listen(sockfd, backlog));
1362 }
1363 break;
1364 case SOCKOP_accept:
1365 {
1366 int sockfd;
1367 abi_ulong target_addr, target_addrlen;
1368
1369 if (get_user_s32(sockfd, vptr)
1370 || get_user_ual(target_addr, vptr + n)
1371 || get_user_u32(target_addrlen, vptr + 2 * n))
1372 return -TARGET_EFAULT;
1373
1374 ret = do_accept(sockfd, target_addr, target_addrlen);
1375 }
1376 break;
1377 case SOCKOP_getsockname:
1378 {
1379 int sockfd;
1380 abi_ulong target_addr, target_addrlen;
1381
1382 if (get_user_s32(sockfd, vptr)
1383 || get_user_ual(target_addr, vptr + n)
1384 || get_user_u32(target_addrlen, vptr + 2 * n))
1385 return -TARGET_EFAULT;
1386
1387 ret = do_getsockname(sockfd, target_addr, target_addrlen);
1388 }
1389 break;
1390 case SOCKOP_getpeername:
1391 {
1392 int sockfd;
1393 abi_ulong target_addr, target_addrlen;
1394
1395 if (get_user_s32(sockfd, vptr)
1396 || get_user_ual(target_addr, vptr + n)
1397 || get_user_u32(target_addrlen, vptr + 2 * n))
1398 return -TARGET_EFAULT;
1399
1400 ret = do_getpeername(sockfd, target_addr, target_addrlen);
1401 }
1402 break;
1403 case SOCKOP_socketpair:
1404 {
1405 int domain, type, protocol;
1406 abi_ulong tab;
1407
1408 if (get_user_s32(domain, vptr)
1409 || get_user_s32(type, vptr + n)
1410 || get_user_s32(protocol, vptr + 2 * n)
1411 || get_user_ual(tab, vptr + 3 * n))
1412 return -TARGET_EFAULT;
1413
1414 ret = do_socketpair(domain, type, protocol, tab);
1415 }
1416 break;
1417 case SOCKOP_send:
1418 {
1419 int sockfd;
1420 abi_ulong msg;
1421 size_t len;
1422 int flags;
1423
1424 if (get_user_s32(sockfd, vptr)
1425 || get_user_ual(msg, vptr + n)
1426 || get_user_ual(len, vptr + 2 * n)
1427 || get_user_s32(flags, vptr + 3 * n))
1428 return -TARGET_EFAULT;
1429
1430 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1431 }
1432 break;
1433 case SOCKOP_recv:
1434 {
1435 int sockfd;
1436 abi_ulong msg;
1437 size_t len;
1438 int flags;
1439
1440 if (get_user_s32(sockfd, vptr)
1441 || get_user_ual(msg, vptr + n)
1442 || get_user_ual(len, vptr + 2 * n)
1443 || get_user_s32(flags, vptr + 3 * n))
1444 return -TARGET_EFAULT;
1445
1446 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1447 }
1448 break;
1449 case SOCKOP_sendto:
1450 {
1451 int sockfd;
1452 abi_ulong msg;
1453 size_t len;
1454 int flags;
1455 abi_ulong addr;
1456 socklen_t addrlen;
1457
1458 if (get_user_s32(sockfd, vptr)
1459 || get_user_ual(msg, vptr + n)
1460 || get_user_ual(len, vptr + 2 * n)
1461 || get_user_s32(flags, vptr + 3 * n)
1462 || get_user_ual(addr, vptr + 4 * n)
1463 || get_user_u32(addrlen, vptr + 5 * n))
1464 return -TARGET_EFAULT;
1465
1466 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1467 }
1468 break;
1469 case SOCKOP_recvfrom:
1470 {
1471 int sockfd;
1472 abi_ulong msg;
1473 size_t len;
1474 int flags;
1475 abi_ulong addr;
1476 socklen_t addrlen;
1477
1478 if (get_user_s32(sockfd, vptr)
1479 || get_user_ual(msg, vptr + n)
1480 || get_user_ual(len, vptr + 2 * n)
1481 || get_user_s32(flags, vptr + 3 * n)
1482 || get_user_ual(addr, vptr + 4 * n)
1483 || get_user_u32(addrlen, vptr + 5 * n))
1484 return -TARGET_EFAULT;
1485
1486 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1487 }
1488 break;
1489 case SOCKOP_shutdown:
1490 {
1491 int sockfd, how;
1492
1493 if (get_user_s32(sockfd, vptr)
1494 || get_user_s32(how, vptr + n))
1495 return -TARGET_EFAULT;
1496
1497 ret = get_errno(shutdown(sockfd, how));
1498 }
1499 break;
1500 case SOCKOP_sendmsg:
1501 case SOCKOP_recvmsg:
1502 {
1503 int fd;
1504 abi_ulong target_msg;
1505 int flags;
1506
1507 if (get_user_s32(fd, vptr)
1508 || get_user_ual(target_msg, vptr + n)
1509 || get_user_s32(flags, vptr + 2 * n))
1510 return -TARGET_EFAULT;
1511
1512 ret = do_sendrecvmsg(fd, target_msg, flags,
1513 (num == SOCKOP_sendmsg));
1514 }
1515 break;
1516 case SOCKOP_setsockopt:
1517 {
1518 int sockfd;
1519 int level;
1520 int optname;
1521 abi_ulong optval;
1522 socklen_t optlen;
1523
1524 if (get_user_s32(sockfd, vptr)
1525 || get_user_s32(level, vptr + n)
1526 || get_user_s32(optname, vptr + 2 * n)
1527 || get_user_ual(optval, vptr + 3 * n)
1528 || get_user_u32(optlen, vptr + 4 * n))
1529 return -TARGET_EFAULT;
1530
1531 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1532 }
1533 break;
1534 case SOCKOP_getsockopt:
1535 {
1536 int sockfd;
1537 int level;
1538 int optname;
1539 abi_ulong optval;
1540 socklen_t optlen;
1541
1542 if (get_user_s32(sockfd, vptr)
1543 || get_user_s32(level, vptr + n)
1544 || get_user_s32(optname, vptr + 2 * n)
1545 || get_user_ual(optval, vptr + 3 * n)
1546 || get_user_u32(optlen, vptr + 4 * n))
1547 return -TARGET_EFAULT;
1548
1549 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
1550 }
1551 break;
1552 default:
1553 gemu_log("Unsupported socketcall: %d\n", num);
1554 ret = -TARGET_ENOSYS;
1555 break;
1556 }
1557 return ret;
1558 }
1559 #endif
1560
1561 #ifdef TARGET_NR_ipc
1562 #define N_SHM_REGIONS 32
1563
1564 static struct shm_region {
1565 abi_ulong start;
1566 abi_ulong size;
1567 } shm_regions[N_SHM_REGIONS];
1568
1569 struct target_ipc_perm
1570 {
1571 abi_long __key;
1572 abi_ulong uid;
1573 abi_ulong gid;
1574 abi_ulong cuid;
1575 abi_ulong cgid;
1576 unsigned short int mode;
1577 unsigned short int __pad1;
1578 unsigned short int __seq;
1579 unsigned short int __pad2;
1580 abi_ulong __unused1;
1581 abi_ulong __unused2;
1582 };
1583
1584 struct target_semid_ds
1585 {
1586 struct target_ipc_perm sem_perm;
1587 abi_ulong sem_otime;
1588 abi_ulong __unused1;
1589 abi_ulong sem_ctime;
1590 abi_ulong __unused2;
1591 abi_ulong sem_nsems;
1592 abi_ulong __unused3;
1593 abi_ulong __unused4;
1594 };
1595
1596 static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
1597 abi_ulong target_addr)
1598 {
1599 struct target_ipc_perm *target_ip;
1600 struct target_semid_ds *target_sd;
1601
1602 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1603 return -TARGET_EFAULT;
1604 target_ip=&(target_sd->sem_perm);
1605 host_ip->__key = tswapl(target_ip->__key);
1606 host_ip->uid = tswapl(target_ip->uid);
1607 host_ip->gid = tswapl(target_ip->gid);
1608 host_ip->cuid = tswapl(target_ip->cuid);
1609 host_ip->cgid = tswapl(target_ip->cgid);
1610 host_ip->mode = tswapl(target_ip->mode);
1611 unlock_user_struct(target_sd, target_addr, 0);
1612 return 0;
1613 }
1614
1615 static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
1616 struct ipc_perm *host_ip)
1617 {
1618 struct target_ipc_perm *target_ip;
1619 struct target_semid_ds *target_sd;
1620
1621 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1622 return -TARGET_EFAULT;
1623 target_ip = &(target_sd->sem_perm);
1624 target_ip->__key = tswapl(host_ip->__key);
1625 target_ip->uid = tswapl(host_ip->uid);
1626 target_ip->gid = tswapl(host_ip->gid);
1627 target_ip->cuid = tswapl(host_ip->cuid);
1628 target_ip->cgid = tswapl(host_ip->cgid);
1629 target_ip->mode = tswapl(host_ip->mode);
1630 unlock_user_struct(target_sd, target_addr, 1);
1631 return 0;
1632 }
1633
1634 static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
1635 abi_ulong target_addr)
1636 {
1637 struct target_semid_ds *target_sd;
1638
1639 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1640 return -TARGET_EFAULT;
1641 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1642 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1643 host_sd->sem_otime = tswapl(target_sd->sem_otime);
1644 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1645 unlock_user_struct(target_sd, target_addr, 0);
1646 return 0;
1647 }
1648
1649 static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
1650 struct semid_ds *host_sd)
1651 {
1652 struct target_semid_ds *target_sd;
1653
1654 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1655 return -TARGET_EFAULT;
1656 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1657 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1658 target_sd->sem_otime = tswapl(host_sd->sem_otime);
1659 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1660 unlock_user_struct(target_sd, target_addr, 1);
1661 return 0;
1662 }
1663
1664 union semun {
1665 int val;
1666 struct semid_ds *buf;
1667 unsigned short *array;
1668 };
1669
1670 union target_semun {
1671 int val;
1672 abi_long buf;
1673 unsigned short int *array;
1674 };
1675
1676 static inline abi_long target_to_host_semun(int cmd,
1677 union semun *host_su,
1678 abi_ulong target_addr,
1679 struct semid_ds *ds)
1680 {
1681 union target_semun *target_su;
1682
1683 switch( cmd ) {
1684 case IPC_STAT:
1685 case IPC_SET:
1686 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1687 return -TARGET_EFAULT;
1688 target_to_host_semid_ds(ds,target_su->buf);
1689 host_su->buf = ds;
1690 unlock_user_struct(target_su, target_addr, 0);
1691 break;
1692 case GETVAL:
1693 case SETVAL:
1694 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1695 return -TARGET_EFAULT;
1696 host_su->val = tswapl(target_su->val);
1697 unlock_user_struct(target_su, target_addr, 0);
1698 break;
1699 case GETALL:
1700 case SETALL:
1701 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1702 return -TARGET_EFAULT;
1703 *host_su->array = tswap16(*target_su->array);
1704 unlock_user_struct(target_su, target_addr, 0);
1705 break;
1706 default:
1707 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1708 }
1709 return 0;
1710 }
1711
1712 static inline abi_long host_to_target_semun(int cmd,
1713 abi_ulong target_addr,
1714 union semun *host_su,
1715 struct semid_ds *ds)
1716 {
1717 union target_semun *target_su;
1718
1719 switch( cmd ) {
1720 case IPC_STAT:
1721 case IPC_SET:
1722 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1723 return -TARGET_EFAULT;
1724 host_to_target_semid_ds(target_su->buf,ds);
1725 unlock_user_struct(target_su, target_addr, 1);
1726 break;
1727 case GETVAL:
1728 case SETVAL:
1729 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1730 return -TARGET_EFAULT;
1731 target_su->val = tswapl(host_su->val);
1732 unlock_user_struct(target_su, target_addr, 1);
1733 break;
1734 case GETALL:
1735 case SETALL:
1736 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1737 return -TARGET_EFAULT;
1738 *target_su->array = tswap16(*host_su->array);
1739 unlock_user_struct(target_su, target_addr, 1);
1740 break;
1741 default:
1742 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1743 }
1744 return 0;
1745 }
1746
1747 static inline abi_long do_semctl(int first, int second, int third,
1748 abi_long ptr)
1749 {
1750 union semun arg;
1751 struct semid_ds dsarg;
1752 int cmd = third&0xff;
1753 abi_long ret = 0;
1754
1755 switch( cmd ) {
1756 case GETVAL:
1757 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1758 ret = get_errno(semctl(first, second, cmd, arg));
1759 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1760 break;
1761 case SETVAL:
1762 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1763 ret = get_errno(semctl(first, second, cmd, arg));
1764 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1765 break;
1766 case GETALL:
1767 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1768 ret = get_errno(semctl(first, second, cmd, arg));
1769 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1770 break;
1771 case SETALL:
1772 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1773 ret = get_errno(semctl(first, second, cmd, arg));
1774 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1775 break;
1776 case IPC_STAT:
1777 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1778 ret = get_errno(semctl(first, second, cmd, arg));
1779 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1780 break;
1781 case IPC_SET:
1782 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1783 ret = get_errno(semctl(first, second, cmd, arg));
1784 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1785 break;
1786 default:
1787 ret = get_errno(semctl(first, second, cmd, arg));
1788 }
1789
1790 return ret;
1791 }
1792
1793 struct target_msqid_ds
1794 {
1795 struct target_ipc_perm msg_perm;
1796 abi_ulong msg_stime;
1797 abi_ulong __unused1;
1798 abi_ulong msg_rtime;
1799 abi_ulong __unused2;
1800 abi_ulong msg_ctime;
1801 abi_ulong __unused3;
1802 abi_ulong __msg_cbytes;
1803 abi_ulong msg_qnum;
1804 abi_ulong msg_qbytes;
1805 abi_ulong msg_lspid;
1806 abi_ulong msg_lrpid;
1807 abi_ulong __unused4;
1808 abi_ulong __unused5;
1809 };
1810
1811 static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
1812 abi_ulong target_addr)
1813 {
1814 struct target_msqid_ds *target_md;
1815
1816 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
1817 return -TARGET_EFAULT;
1818 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
1819 host_md->msg_stime = tswapl(target_md->msg_stime);
1820 host_md->msg_rtime = tswapl(target_md->msg_rtime);
1821 host_md->msg_ctime = tswapl(target_md->msg_ctime);
1822 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1823 host_md->msg_qnum = tswapl(target_md->msg_qnum);
1824 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1825 host_md->msg_lspid = tswapl(target_md->msg_lspid);
1826 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1827 unlock_user_struct(target_md, target_addr, 0);
1828 return 0;
1829 }
1830
1831 static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
1832 struct msqid_ds *host_md)
1833 {
1834 struct target_msqid_ds *target_md;
1835
1836 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
1837 return -TARGET_EFAULT;
1838 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
1839 target_md->msg_stime = tswapl(host_md->msg_stime);
1840 target_md->msg_rtime = tswapl(host_md->msg_rtime);
1841 target_md->msg_ctime = tswapl(host_md->msg_ctime);
1842 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1843 target_md->msg_qnum = tswapl(host_md->msg_qnum);
1844 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1845 target_md->msg_lspid = tswapl(host_md->msg_lspid);
1846 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1847 unlock_user_struct(target_md, target_addr, 1);
1848 return 0;
1849 }
1850
1851 static inline abi_long do_msgctl(int first, int second, abi_long ptr)
1852 {
1853 struct msqid_ds dsarg;
1854 int cmd = second&0xff;
1855 abi_long ret = 0;
1856 switch( cmd ) {
1857 case IPC_STAT:
1858 case IPC_SET:
1859 target_to_host_msqid_ds(&dsarg,ptr);
1860 ret = get_errno(msgctl(first, cmd, &dsarg));
1861 host_to_target_msqid_ds(ptr,&dsarg);
1862 default:
1863 ret = get_errno(msgctl(first, cmd, &dsarg));
1864 }
1865 return ret;
1866 }
1867
1868 struct target_msgbuf {
1869 abi_ulong mtype;
1870 char mtext[1];
1871 };
1872
1873 static inline abi_long do_msgsnd(int msqid, abi_long msgp,
1874 unsigned int msgsz, int msgflg)
1875 {
1876 struct target_msgbuf *target_mb;
1877 struct msgbuf *host_mb;
1878 abi_long ret = 0;
1879
1880 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
1881 return -TARGET_EFAULT;
1882 host_mb = malloc(msgsz+sizeof(long));
1883 host_mb->mtype = tswapl(target_mb->mtype);
1884 memcpy(host_mb->mtext,target_mb->mtext,msgsz);
1885 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
1886 free(host_mb);
1887 unlock_user_struct(target_mb, msgp, 0);
1888
1889 return ret;
1890 }
1891
1892 static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1893 unsigned int msgsz, int msgtype,
1894 int msgflg)
1895 {
1896 struct target_msgbuf *target_mb;
1897 char *target_mtext;
1898 struct msgbuf *host_mb;
1899 abi_long ret = 0;
1900
1901 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
1902 return -TARGET_EFAULT;
1903 host_mb = malloc(msgsz+sizeof(long));
1904 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
1905 if (ret > 0) {
1906 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
1907 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
1908 if (!target_mtext) {
1909 ret = -TARGET_EFAULT;
1910 goto end;
1911 }
1912 memcpy(target_mb->mtext, host_mb->mtext, ret);
1913 unlock_user(target_mtext, target_mtext_addr, ret);
1914 }
1915 target_mb->mtype = tswapl(host_mb->mtype);
1916 free(host_mb);
1917
1918 end:
1919 if (target_mb)
1920 unlock_user_struct(target_mb, msgp, 1);
1921 return ret;
1922 }
1923
1924 /* ??? This only works with linear mappings. */
1925 /* do_ipc() must return target values and target errnos. */
1926 static abi_long do_ipc(unsigned int call, int first,
1927 int second, int third,
1928 abi_long ptr, abi_long fifth)
1929 {
1930 int version;
1931 abi_long ret = 0;
1932 struct shmid_ds shm_info;
1933 int i;
1934
1935 version = call >> 16;
1936 call &= 0xffff;
1937
1938 switch (call) {
1939 case IPCOP_semop:
1940 ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second));
1941 break;
1942
1943 case IPCOP_semget:
1944 ret = get_errno(semget(first, second, third));
1945 break;
1946
1947 case IPCOP_semctl:
1948 ret = do_semctl(first, second, third, ptr);
1949 break;
1950
1951 case IPCOP_semtimedop:
1952 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
1953 ret = -TARGET_ENOSYS;
1954 break;
1955
1956 case IPCOP_msgget:
1957 ret = get_errno(msgget(first, second));
1958 break;
1959
1960 case IPCOP_msgsnd:
1961 ret = do_msgsnd(first, ptr, second, third);
1962 break;
1963
1964 case IPCOP_msgctl:
1965 ret = do_msgctl(first, second, ptr);
1966 break;
1967
1968 case IPCOP_msgrcv:
1969 {
1970 /* XXX: this code is not correct */
1971 struct ipc_kludge
1972 {
1973 void *__unbounded msgp;
1974 long int msgtyp;
1975 };
1976
1977 struct ipc_kludge *foo = (struct ipc_kludge *)g2h(ptr);
1978 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1979
1980 ret = do_msgrcv(first, (long)msgp, second, 0, third);
1981
1982 }
1983 break;
1984
1985 case IPCOP_shmat:
1986 {
1987 abi_ulong raddr;
1988 void *host_addr;
1989 /* SHM_* flags are the same on all linux platforms */
1990 host_addr = shmat(first, (void *)g2h(ptr), second);
1991 if (host_addr == (void *)-1) {
1992 ret = get_errno((long)host_addr);
1993 break;
1994 }
1995 raddr = h2g((unsigned long)host_addr);
1996 /* find out the length of the shared memory segment */
1997
1998 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1999 if (is_error(ret)) {
2000 /* can't get length, bail out */
2001 shmdt(host_addr);
2002 break;
2003 }
2004 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2005 PAGE_VALID | PAGE_READ |
2006 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
2007 for (i = 0; i < N_SHM_REGIONS; ++i) {
2008 if (shm_regions[i].start == 0) {
2009 shm_regions[i].start = raddr;
2010 shm_regions[i].size = shm_info.shm_segsz;
2011 break;
2012 }
2013 }
2014 if (put_user_ual(raddr, third))
2015 return -TARGET_EFAULT;
2016 ret = 0;
2017 }
2018 break;
2019 case IPCOP_shmdt:
2020 for (i = 0; i < N_SHM_REGIONS; ++i) {
2021 if (shm_regions[i].start == ptr) {
2022 shm_regions[i].start = 0;
2023 page_set_flags(ptr, shm_regions[i].size, 0);
2024 break;
2025 }
2026 }
2027 ret = get_errno(shmdt((void *)g2h(ptr)));
2028 break;
2029
2030 case IPCOP_shmget:
2031 /* IPC_* flag values are the same on all linux platforms */
2032 ret = get_errno(shmget(first, second, third));
2033 break;
2034
2035 /* IPC_* and SHM_* command values are the same on all linux platforms */
2036 case IPCOP_shmctl:
2037 switch(second) {
2038 case IPC_RMID:
2039 case SHM_LOCK:
2040 case SHM_UNLOCK:
2041 ret = get_errno(shmctl(first, second, NULL));
2042 break;
2043 default:
2044 goto unimplemented;
2045 }
2046 break;
2047 default:
2048 unimplemented:
2049 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2050 ret = -TARGET_ENOSYS;
2051 break;
2052 }
2053 return ret;
2054 }
2055 #endif
2056
2057 /* kernel structure types definitions */
2058 #define IFNAMSIZ 16
2059
2060 #define STRUCT(name, list...) STRUCT_ ## name,
2061 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
2062 enum {
2063 #include "syscall_types.h"
2064 };
2065 #undef STRUCT
2066 #undef STRUCT_SPECIAL
2067
2068 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
2069 #define STRUCT_SPECIAL(name)
2070 #include "syscall_types.h"
2071 #undef STRUCT
2072 #undef STRUCT_SPECIAL
2073
2074 typedef struct IOCTLEntry {
2075 unsigned int target_cmd;
2076 unsigned int host_cmd;
2077 const char *name;
2078 int access;
2079 const argtype arg_type[5];
2080 } IOCTLEntry;
2081
2082 #define IOC_R 0x0001
2083 #define IOC_W 0x0002
2084 #define IOC_RW (IOC_R | IOC_W)
2085
2086 #define MAX_STRUCT_SIZE 4096
2087
2088 IOCTLEntry ioctl_entries[] = {
2089 #define IOCTL(cmd, access, types...) \
2090 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
2091 #include "ioctls.h"
2092 { 0, 0, },
2093 };
2094
2095 /* ??? Implement proper locking for ioctls. */
2096 /* do_ioctl() Must return target values and target errnos. */
2097 static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
2098 {
2099 const IOCTLEntry *ie;
2100 const argtype *arg_type;
2101 abi_long ret;
2102 uint8_t buf_temp[MAX_STRUCT_SIZE];
2103 int target_size;
2104 void *argptr;
2105
2106 ie = ioctl_entries;
2107 for(;;) {
2108 if (ie->target_cmd == 0) {
2109 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
2110 return -TARGET_ENOSYS;
2111 }
2112 if (ie->target_cmd == cmd)
2113 break;
2114 ie++;
2115 }
2116 arg_type = ie->arg_type;
2117 #if defined(DEBUG)
2118 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
2119 #endif
2120 switch(arg_type[0]) {
2121 case TYPE_NULL:
2122 /* no argument */
2123 ret = get_errno(ioctl(fd, ie->host_cmd));
2124 break;
2125 case TYPE_PTRVOID:
2126 case TYPE_INT:
2127 /* int argment */
2128 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2129 break;
2130 case TYPE_PTR:
2131 arg_type++;
2132 target_size = thunk_type_size(arg_type, 0);
2133 switch(ie->access) {
2134 case IOC_R:
2135 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2136 if (!is_error(ret)) {
2137 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2138 if (!argptr)
2139 return -TARGET_EFAULT;
2140 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2141 unlock_user(argptr, arg, target_size);
2142 }
2143 break;
2144 case IOC_W:
2145 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2146 if (!argptr)
2147 return -TARGET_EFAULT;
2148 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2149 unlock_user(argptr, arg, 0);
2150 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2151 break;
2152 default:
2153 case IOC_RW:
2154 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2155 if (!argptr)
2156 return -TARGET_EFAULT;
2157 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2158 unlock_user(argptr, arg, 0);
2159 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2160 if (!is_error(ret)) {
2161 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2162 if (!argptr)
2163 return -TARGET_EFAULT;
2164 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2165 unlock_user(argptr, arg, target_size);
2166 }
2167 break;
2168 }
2169 break;
2170 default:
2171 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2172 (long)cmd, arg_type[0]);
2173 ret = -TARGET_ENOSYS;
2174 break;
2175 }
2176 return ret;
2177 }
2178
2179 bitmask_transtbl iflag_tbl[] = {
2180 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2181 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2182 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2183 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2184 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2185 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2186 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2187 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2188 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2189 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2190 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2191 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2192 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2193 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2194 { 0, 0, 0, 0 }
2195 };
2196
2197 bitmask_transtbl oflag_tbl[] = {
2198 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2199 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2200 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2201 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2202 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2203 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2204 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2205 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2206 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2207 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2208 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2209 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2210 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2211 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2212 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
2213 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
2214 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
2215 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
2216 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
2217 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
2218 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
2219 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
2220 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
2221 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
2222 { 0, 0, 0, 0 }
2223 };
2224
2225 bitmask_transtbl cflag_tbl[] = {
2226 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
2227 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
2228 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
2229 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
2230 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
2231 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
2232 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
2233 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
2234 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
2235 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
2236 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
2237 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
2238 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
2239 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
2240 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
2241 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
2242 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
2243 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
2244 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
2245 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
2246 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
2247 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
2248 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
2249 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
2250 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
2251 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
2252 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
2253 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
2254 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
2255 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
2256 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
2257 { 0, 0, 0, 0 }
2258 };
2259
2260 bitmask_transtbl lflag_tbl[] = {
2261 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
2262 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
2263 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
2264 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
2265 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
2266 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
2267 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
2268 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
2269 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
2270 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
2271 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
2272 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
2273 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
2274 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
2275 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
2276 { 0, 0, 0, 0 }
2277 };
2278
2279 static void target_to_host_termios (void *dst, const void *src)
2280 {
2281 struct host_termios *host = dst;
2282 const struct target_termios *target = src;
2283
2284 host->c_iflag =
2285 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
2286 host->c_oflag =
2287 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
2288 host->c_cflag =
2289 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
2290 host->c_lflag =
2291 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
2292 host->c_line = target->c_line;
2293
2294 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
2295 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
2296 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
2297 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
2298 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
2299 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
2300 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
2301 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
2302 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
2303 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
2304 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
2305 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
2306 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
2307 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
2308 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
2309 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
2310 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
2311 }
2312
2313 static void host_to_target_termios (void *dst, const void *src)
2314 {
2315 struct target_termios *target = dst;
2316 const struct host_termios *host = src;
2317
2318 target->c_iflag =
2319 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
2320 target->c_oflag =
2321 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
2322 target->c_cflag =
2323 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
2324 target->c_lflag =
2325 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
2326 target->c_line = host->c_line;
2327
2328 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
2329 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
2330 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
2331 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
2332 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
2333 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
2334 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
2335 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
2336 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
2337 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
2338 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
2339 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
2340 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
2341 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
2342 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
2343 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
2344 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
2345 }
2346
2347 StructEntry struct_termios_def = {
2348 .convert = { host_to_target_termios, target_to_host_termios },
2349 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
2350 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
2351 };
2352
2353 static bitmask_transtbl mmap_flags_tbl[] = {
2354 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
2355 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
2356 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
2357 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
2358 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
2359 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
2360 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
2361 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
2362 { 0, 0, 0, 0 }
2363 };
2364
2365 static bitmask_transtbl fcntl_flags_tbl[] = {
2366 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
2367 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
2368 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
2369 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
2370 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
2371 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
2372 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
2373 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
2374 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
2375 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
2376 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
2377 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
2378 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
2379 #if defined(O_DIRECT)
2380 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
2381 #endif
2382 { 0, 0, 0, 0 }
2383 };
2384
2385 #if defined(TARGET_I386)
2386
2387 /* NOTE: there is really one LDT for all the threads */
2388 uint8_t *ldt_table;
2389
2390 static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
2391 {
2392 int size;
2393 void *p;
2394
2395 if (!ldt_table)
2396 return 0;
2397 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2398 if (size > bytecount)
2399 size = bytecount;
2400 p = lock_user(VERIFY_WRITE, ptr, size, 0);
2401 if (!p)
2402 return -TARGET_EFAULT;
2403 /* ??? Should this by byteswapped? */
2404 memcpy(p, ldt_table, size);
2405 unlock_user(p, ptr, size);
2406 return size;
2407 }
2408
2409 /* XXX: add locking support */
2410 static abi_long write_ldt(CPUX86State *env,
2411 abi_ulong ptr, unsigned long bytecount, int oldmode)
2412 {
2413 struct target_modify_ldt_ldt_s ldt_info;
2414 struct target_modify_ldt_ldt_s *target_ldt_info;
2415 int seg_32bit, contents, read_exec_only, limit_in_pages;
2416 int seg_not_present, useable, lm;
2417 uint32_t *lp, entry_1, entry_2;
2418
2419 if (bytecount != sizeof(ldt_info))
2420 return -TARGET_EINVAL;
2421 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
2422 return -TARGET_EFAULT;
2423 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2424 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2425 ldt_info.limit = tswap32(target_ldt_info->limit);
2426 ldt_info.flags = tswap32(target_ldt_info->flags);
2427 unlock_user_struct(target_ldt_info, ptr, 0);
2428
2429 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2430 return -TARGET_EINVAL;
2431 seg_32bit = ldt_info.flags & 1;
2432 contents = (ldt_info.flags >> 1) & 3;
2433 read_exec_only = (ldt_info.flags >> 3) & 1;
2434 limit_in_pages = (ldt_info.flags >> 4) & 1;
2435 seg_not_present = (ldt_info.flags >> 5) & 1;
2436 useable = (ldt_info.flags >> 6) & 1;
2437 #ifdef TARGET_ABI32
2438 lm = 0;
2439 #else
2440 lm = (ldt_info.flags >> 7) & 1;
2441 #endif
2442 if (contents == 3) {
2443 if (oldmode)
2444 return -TARGET_EINVAL;
2445 if (seg_not_present == 0)
2446 return -TARGET_EINVAL;
2447 }
2448 /* allocate the LDT */
2449 if (!ldt_table) {
2450 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2451 if (!ldt_table)
2452 return -TARGET_ENOMEM;
2453 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2454 env->ldt.base = h2g((unsigned long)ldt_table);
2455 env->ldt.limit = 0xffff;
2456 }
2457
2458 /* NOTE: same code as Linux kernel */
2459 /* Allow LDTs to be cleared by the user. */
2460 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2461 if (oldmode ||
2462 (contents == 0 &&
2463 read_exec_only == 1 &&
2464 seg_32bit == 0 &&
2465 limit_in_pages == 0 &&
2466 seg_not_present == 1 &&
2467 useable == 0 )) {
2468 entry_1 = 0;
2469 entry_2 = 0;
2470 goto install;
2471 }
2472 }
2473
2474 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2475 (ldt_info.limit & 0x0ffff);
2476 entry_2 = (ldt_info.base_addr & 0xff000000) |
2477 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2478 (ldt_info.limit & 0xf0000) |
2479 ((read_exec_only ^ 1) << 9) |
2480 (contents << 10) |
2481 ((seg_not_present ^ 1) << 15) |
2482 (seg_32bit << 22) |
2483 (limit_in_pages << 23) |
2484 (lm << 21) |
2485 0x7000;
2486 if (!oldmode)
2487 entry_2 |= (useable << 20);
2488
2489 /* Install the new entry ... */
2490 install:
2491 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2492 lp[0] = tswap32(entry_1);
2493 lp[1] = tswap32(entry_2);
2494 return 0;
2495 }
2496
2497 /* specific and weird i386 syscalls */
2498 abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
2499 unsigned long bytecount)
2500 {
2501 abi_long ret;
2502
2503 switch (func) {
2504 case 0:
2505 ret = read_ldt(ptr, bytecount);
2506 break;
2507 case 1:
2508 ret = write_ldt(env, ptr, bytecount, 1);
2509 break;
2510 case 0x11:
2511 ret = write_ldt(env, ptr, bytecount, 0);
2512 break;
2513 default:
2514 ret = -TARGET_ENOSYS;
2515 break;
2516 }
2517 return ret;
2518 }
2519
2520 abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
2521 {
2522 uint64_t *gdt_table = g2h(env->gdt.base);
2523 struct target_modify_ldt_ldt_s ldt_info;
2524 struct target_modify_ldt_ldt_s *target_ldt_info;
2525 int seg_32bit, contents, read_exec_only, limit_in_pages;
2526 int seg_not_present, useable, lm;
2527 uint32_t *lp, entry_1, entry_2;
2528 int i;
2529
2530 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
2531 if (!target_ldt_info)
2532 return -TARGET_EFAULT;
2533 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2534 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2535 ldt_info.limit = tswap32(target_ldt_info->limit);
2536 ldt_info.flags = tswap32(target_ldt_info->flags);
2537 if (ldt_info.entry_number == -1) {
2538 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
2539 if (gdt_table[i] == 0) {
2540 ldt_info.entry_number = i;
2541 target_ldt_info->entry_number = tswap32(i);
2542 break;
2543 }
2544 }
2545 }
2546 unlock_user_struct(target_ldt_info, ptr, 1);
2547
2548 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
2549 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
2550 return -TARGET_EINVAL;
2551 seg_32bit = ldt_info.flags & 1;
2552 contents = (ldt_info.flags >> 1) & 3;
2553 read_exec_only = (ldt_info.flags >> 3) & 1;
2554 limit_in_pages = (ldt_info.flags >> 4) & 1;
2555 seg_not_present = (ldt_info.flags >> 5) & 1;
2556 useable = (ldt_info.flags >> 6) & 1;
2557 #ifdef TARGET_ABI32
2558 lm = 0;
2559 #else
2560 lm = (ldt_info.flags >> 7) & 1;
2561 #endif
2562
2563 if (contents == 3) {
2564 if (seg_not_present == 0)
2565 return -TARGET_EINVAL;
2566 }
2567
2568 /* NOTE: same code as Linux kernel */
2569 /* Allow LDTs to be cleared by the user. */
2570 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2571 if ((contents == 0 &&
2572 read_exec_only == 1 &&
2573 seg_32bit == 0 &&
2574 limit_in_pages == 0 &&
2575 seg_not_present == 1 &&
2576 useable == 0 )) {
2577 entry_1 = 0;
2578 entry_2 = 0;
2579 goto install;
2580 }
2581 }
2582
2583 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2584 (ldt_info.limit & 0x0ffff);
2585 entry_2 = (ldt_info.base_addr & 0xff000000) |
2586 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2587 (ldt_info.limit & 0xf0000) |
2588 ((read_exec_only ^ 1) << 9) |
2589 (contents << 10) |
2590 ((seg_not_present ^ 1) << 15) |
2591 (seg_32bit << 22) |
2592 (limit_in_pages << 23) |
2593 (useable << 20) |
2594 (lm << 21) |
2595 0x7000;
2596
2597 /* Install the new entry ... */
2598 install:
2599 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
2600 lp[0] = tswap32(entry_1);
2601 lp[1] = tswap32(entry_2);
2602 return 0;
2603 }
2604
2605 abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
2606 {
2607 struct target_modify_ldt_ldt_s *target_ldt_info;
2608 uint64_t *gdt_table = g2h(env->gdt.base);
2609 uint32_t base_addr, limit, flags;
2610 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
2611 int seg_not_present, useable, lm;
2612 uint32_t *lp, entry_1, entry_2;
2613
2614 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
2615 if (!target_ldt_info)
2616 return -TARGET_EFAULT;
2617 idx = tswap32(target_ldt_info->entry_number);
2618 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
2619 idx > TARGET_GDT_ENTRY_TLS_MAX) {
2620 unlock_user_struct(target_ldt_info, ptr, 1);
2621 return -TARGET_EINVAL;
2622 }
2623 lp = (uint32_t *)(gdt_table + idx);
2624 entry_1 = tswap32(lp[0]);
2625 entry_2 = tswap32(lp[1]);
2626
2627 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
2628 contents = (entry_2 >> 10) & 3;
2629 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
2630 seg_32bit = (entry_2 >> 22) & 1;
2631 limit_in_pages = (entry_2 >> 23) & 1;
2632 useable = (entry_2 >> 20) & 1;
2633 #ifdef TARGET_ABI32
2634 lm = 0;
2635 #else
2636 lm = (entry_2 >> 21) & 1;
2637 #endif
2638 flags = (seg_32bit << 0) | (contents << 1) |
2639 (read_exec_only << 3) | (limit_in_pages << 4) |
2640 (seg_not_present << 5) | (useable << 6) | (lm << 7);
2641 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
2642 base_addr = (entry_1 >> 16) |
2643 (entry_2 & 0xff000000) |
2644 ((entry_2 & 0xff) << 16);
2645 target_ldt_info->base_addr = tswapl(base_addr);
2646 target_ldt_info->limit = tswap32(limit);
2647 target_ldt_info->flags = tswap32(flags);
2648 unlock_user_struct(target_ldt_info, ptr, 1);
2649 return 0;
2650 }
2651
2652 #ifndef TARGET_ABI32
2653 abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
2654 {
2655 abi_long ret;
2656 abi_ulong val;
2657 int idx;
2658
2659 switch(code) {
2660 case TARGET_ARCH_SET_GS:
2661 case TARGET_ARCH_SET_FS:
2662 if (code == TARGET_ARCH_SET_GS)
2663 idx = R_GS;
2664 else
2665 idx = R_FS;
2666 cpu_x86_load_seg(env, idx, 0);
2667 env->segs[idx].base = addr;
2668 break;
2669 case TARGET_ARCH_GET_GS:
2670 case TARGET_ARCH_GET_FS:
2671 if (code == TARGET_ARCH_GET_GS)
2672 idx = R_GS;
2673 else
2674 idx = R_FS;
2675 val = env->segs[idx].base;
2676 if (put_user(val, addr, abi_ulong))
2677 return -TARGET_EFAULT;
2678 break;
2679 default:
2680 ret = -TARGET_EINVAL;
2681 break;
2682 }
2683 return 0;
2684 }
2685 #endif
2686
2687 #endif /* defined(TARGET_I386) */
2688
2689 /* this stack is the equivalent of the kernel stack associated with a
2690 thread/process */
2691 #define NEW_STACK_SIZE 8192
2692
2693 static int clone_func(void *arg)
2694 {
2695 CPUState *env = arg;
2696 cpu_loop(env);
2697 /* never exits */
2698 return 0;
2699 }
2700
2701 /* do_fork() Must return host values and target errnos (unlike most
2702 do_*() functions). */
2703 int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp)
2704 {
2705 int ret;
2706 TaskState *ts;
2707 uint8_t *new_stack;
2708 CPUState *new_env;
2709
2710 if (flags & CLONE_VM) {
2711 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2712 memset(ts, 0, sizeof(TaskState));
2713 new_stack = ts->stack;
2714 ts->used = 1;
2715 /* add in task state list */
2716 ts->next = first_task_state;
2717 first_task_state = ts;
2718 /* we create a new CPU instance. */
2719 new_env = cpu_copy(env);
2720 #if defined(TARGET_I386)
2721 if (!newsp)
2722 newsp = env->regs[R_ESP];
2723 new_env->regs[R_ESP] = newsp;
2724 new_env->regs[R_EAX] = 0;
2725 #elif defined(TARGET_ARM)
2726 if (!newsp)
2727 newsp = env->regs[13];
2728 new_env->regs[13] = newsp;
2729 new_env->regs[0] = 0;
2730 #elif defined(TARGET_SPARC)
2731 if (!newsp)
2732 newsp = env->regwptr[22];
2733 new_env->regwptr[22] = newsp;
2734 new_env->regwptr[0] = 0;
2735 /* XXXXX */
2736 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
2737 #elif defined(TARGET_M68K)
2738 if (!newsp)
2739 newsp = env->aregs[7];
2740 new_env->aregs[7] = newsp;
2741 new_env->dregs[0] = 0;
2742 /* ??? is this sufficient? */
2743 #elif defined(TARGET_MIPS)
2744 if (!newsp)
2745 newsp = env->gpr[29][env->current_tc];
2746 new_env->gpr[29][env->current_tc] = newsp;
2747 #elif defined(TARGET_PPC)
2748 if (!newsp)
2749 newsp = env->gpr[1];
2750 new_env->gpr[1] = newsp;
2751 {
2752 int i;
2753 for (i = 7; i < 32; i++)
2754 new_env->gpr[i] = 0;
2755 }
2756 #elif defined(TARGET_SH4)
2757 if (!newsp)
2758 newsp = env->gregs[15];
2759 new_env->gregs[15] = newsp;
2760 /* XXXXX */
2761 #elif defined(TARGET_ALPHA)
2762 if (!newsp)
2763 newsp = env->ir[30];
2764 new_env->ir[30] = newsp;
2765 /* ? */
2766 {
2767 int i;
2768 for (i = 7; i < 30; i++)
2769 new_env->ir[i] = 0;
2770 }
2771 #elif defined(TARGET_CRIS)
2772 if (!newsp)
2773 newsp = env->regs[14];
2774 new_env->regs[14] = newsp;
2775 #else
2776 #error unsupported target CPU
2777 #endif
2778 new_env->opaque = ts;
2779 #ifdef __ia64__
2780 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2781 #else
2782 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2783 #endif
2784 } else {
2785 /* if no CLONE_VM, we consider it is a fork */
2786 if ((flags & ~CSIGNAL) != 0)
2787 return -EINVAL;
2788 ret = fork();
2789 }
2790 return ret;
2791 }
2792
2793 static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
2794 {
2795 struct flock fl;
2796 struct target_flock *target_fl;
2797 struct flock64 fl64;
2798 struct target_flock64 *target_fl64;
2799 abi_long ret;
2800
2801 switch(cmd) {
2802 case TARGET_F_GETLK:
2803 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
2804 return -TARGET_EFAULT;
2805 fl.l_type = tswap16(target_fl->l_type);
2806 fl.l_whence = tswap16(target_fl->l_whence);
2807 fl.l_start = tswapl(target_fl->l_start);
2808 fl.l_len = tswapl(target_fl->l_len);
2809 fl.l_pid = tswapl(target_fl->l_pid);
2810 unlock_user_struct(target_fl, arg, 0);
2811 ret = get_errno(fcntl(fd, cmd, &fl));
2812 if (ret == 0) {
2813 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
2814 return -TARGET_EFAULT;
2815 target_fl->l_type = tswap16(fl.l_type);
2816 target_fl->l_whence = tswap16(fl.l_whence);
2817 target_fl->l_start = tswapl(fl.l_start);
2818 target_fl->l_len = tswapl(fl.l_len);
2819 target_fl->l_pid = tswapl(fl.l_pid);
2820 unlock_user_struct(target_fl, arg, 1);
2821 }
2822 break;
2823
2824 case TARGET_F_SETLK:
2825 case TARGET_F_SETLKW:
2826 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
2827 return -TARGET_EFAULT;
2828 fl.l_type = tswap16(target_fl->l_type);
2829 fl.l_whence = tswap16(target_fl->l_whence);
2830 fl.l_start = tswapl(target_fl->l_start);
2831 fl.l_len = tswapl(target_fl->l_len);
2832 fl.l_pid = tswapl(target_fl->l_pid);
2833 unlock_user_struct(target_fl, arg, 0);
2834 ret = get_errno(fcntl(fd, cmd, &fl));
2835 break;
2836
2837 case TARGET_F_GETLK64:
2838 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
2839 return -TARGET_EFAULT;
2840 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2841 fl64.l_whence = tswap16(target_fl64->l_whence);
2842 fl64.l_start = tswapl(target_fl64->l_start);
2843 fl64.l_len = tswapl(target_fl64->l_len);
2844 fl64.l_pid = tswap16(target_fl64->l_pid);
2845 unlock_user_struct(target_fl64, arg, 0);
2846 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
2847 if (ret == 0) {
2848 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
2849 return -TARGET_EFAULT;
2850 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2851 target_fl64->l_whence = tswap16(fl64.l_whence);
2852 target_fl64->l_start = tswapl(fl64.l_start);
2853 target_fl64->l_len = tswapl(fl64.l_len);
2854 target_fl64->l_pid = tswapl(fl64.l_pid);
2855 unlock_user_struct(target_fl64, arg, 1);
2856 }
2857 break;
2858 case TARGET_F_SETLK64:
2859 case TARGET_F_SETLKW64:
2860 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
2861 return -TARGET_EFAULT;
2862 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2863 fl64.l_whence = tswap16(target_fl64->l_whence);
2864 fl64.l_start = tswapl(target_fl64->l_start);
2865 fl64.l_len = tswapl(target_fl64->l_len);
2866 fl64.l_pid = tswap16(target_fl64->l_pid);
2867 unlock_user_struct(target_fl64, arg, 0);
2868 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
2869 break;
2870
2871 case F_GETFL:
2872 ret = get_errno(fcntl(fd, cmd, arg));
2873 if (ret >= 0) {
2874 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2875 }
2876 break;
2877
2878 case F_SETFL:
2879 ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
2880 break;
2881
2882 default:
2883 ret = get_errno(fcntl(fd, cmd, arg));
2884 break;
2885 }
2886 return ret;
2887 }
2888
2889 #ifdef USE_UID16
2890
2891 static inline int high2lowuid(int uid)
2892 {
2893 if (uid > 65535)
2894 return 65534;
2895 else
2896 return uid;
2897 }
2898
2899 static inline int high2lowgid(int gid)
2900 {
2901 if (gid > 65535)
2902 return 65534;
2903 else
2904 return gid;
2905 }
2906
2907 static inline int low2highuid(int uid)
2908 {
2909 if ((int16_t)uid == -1)
2910 return -1;
2911 else
2912 return uid;
2913 }
2914
2915 static inline int low2highgid(int gid)
2916 {
2917 if ((int16_t)gid == -1)
2918 return -1;
2919 else
2920 return gid;
2921 }
2922
2923 #endif /* USE_UID16 */
2924
2925 void syscall_init(void)
2926 {
2927 IOCTLEntry *ie;
2928 const argtype *arg_type;
2929 int size;
2930 int i;
2931
2932 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
2933 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
2934 #include "syscall_types.h"
2935 #undef STRUCT
2936 #undef STRUCT_SPECIAL
2937
2938 /* we patch the ioctl size if necessary. We rely on the fact that
2939 no ioctl has all the bits at '1' in the size field */
2940 ie = ioctl_entries;
2941 while (ie->target_cmd != 0) {
2942 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2943 TARGET_IOC_SIZEMASK) {
2944 arg_type = ie->arg_type;
2945 if (arg_type[0] != TYPE_PTR) {
2946 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2947 ie->target_cmd);
2948 exit(1);
2949 }
2950 arg_type++;
2951 size = thunk_type_size(arg_type, 0);
2952 ie->target_cmd = (ie->target_cmd &
2953 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2954 (size << TARGET_IOC_SIZESHIFT);
2955 }
2956
2957 /* Build target_to_host_errno_table[] table from
2958 * host_to_target_errno_table[]. */
2959 for (i=0; i < ERRNO_TABLE_SIZE; i++)
2960 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
2961
2962 /* automatic consistency check if same arch */
2963 #if defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)
2964 if (ie->target_cmd != ie->host_cmd) {
2965 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
2966 ie->target_cmd, ie->host_cmd);
2967 }
2968 #endif
2969 ie++;
2970 }
2971 }
2972
2973 #if TARGET_ABI_BITS == 32
2974 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2975 {
2976 #ifdef TARGET_WORDS_BIG_ENDIAN
2977 return ((uint64_t)word0 << 32) | word1;
2978 #else
2979 return ((uint64_t)word1 << 32) | word0;
2980 #endif
2981 }
2982 #else /* TARGET_ABI_BITS == 32 */
2983 static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
2984 {
2985 return word0;
2986 }
2987 #endif /* TARGET_ABI_BITS != 32 */
2988
2989 #ifdef TARGET_NR_truncate64
2990 static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
2991 abi_long arg2,
2992 abi_long arg3,
2993 abi_long arg4)
2994 {
2995 #ifdef TARGET_ARM
2996 if (((CPUARMState *)cpu_env)->eabi)
2997 {
2998 arg2 = arg3;
2999 arg3 = arg4;
3000 }
3001 #endif
3002 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3003 }
3004 #endif
3005
3006 #ifdef TARGET_NR_ftruncate64
3007 static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3008 abi_long arg2,
3009 abi_long arg3,
3010 abi_long arg4)
3011 {
3012 #ifdef TARGET_ARM
3013 if (((CPUARMState *)cpu_env)->eabi)
3014 {
3015 arg2 = arg3;
3016 arg3 = arg4;
3017 }
3018 #endif
3019 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3020 }
3021 #endif
3022
3023 static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3024 abi_ulong target_addr)
3025 {
3026 struct target_timespec *target_ts;
3027
3028 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3029 return -TARGET_EFAULT;
3030 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3031 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3032 unlock_user_struct(target_ts, target_addr, 0);
3033 }
3034
3035 static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3036 struct timespec *host_ts)
3037 {
3038 struct target_timespec *target_ts;
3039
3040 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3041 return -TARGET_EFAULT;
3042 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3043 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3044 unlock_user_struct(target_ts, target_addr, 1);
3045 }
3046
3047 /* do_syscall() should always have a single exit point at the end so
3048 that actions, such as logging of syscall results, can be performed.
3049 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
3050 abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
3051 abi_long arg2, abi_long arg3, abi_long arg4,
3052 abi_long arg5, abi_long arg6)
3053 {
3054 abi_long ret;
3055 struct stat st;
3056 struct statfs stfs;
3057 void *p;
3058
3059 #ifdef DEBUG
3060 gemu_log("syscall %d", num);
3061 #endif
3062 if(do_strace)
3063 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
3064
3065 switch(num) {
3066 case TARGET_NR_exit:
3067 #ifdef HAVE_GPROF
3068 _mcleanup();
3069 #endif
3070 gdb_exit(cpu_env, arg1);
3071 /* XXX: should free thread stack and CPU env */
3072 _exit(arg1);
3073 ret = 0; /* avoid warning */
3074 break;
3075 case TARGET_NR_read:
3076 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
3077 goto efault;
3078 ret = get_errno(read(arg1, p, arg3));
3079 unlock_user(p, arg2, ret);
3080 break;
3081 case TARGET_NR_write:
3082 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
3083 goto efault;
3084 ret = get_errno(write(arg1, p, arg3));
3085 unlock_user(p, arg2, 0);
3086 break;
3087 case TARGET_NR_open:
3088 if (!(p = lock_user_string(arg1)))
3089 goto efault;
3090 ret = get_errno(open(path(p),
3091 target_to_host_bitmask(arg2, fcntl_flags_tbl),
3092 arg3));
3093 unlock_user(p, arg1, 0);
3094 break;
3095 #if defined(TARGET_NR_openat) && defined(__NR_openat)
3096 case TARGET_NR_openat:
3097 if (!(p = lock_user_string(arg2)))
3098 goto efault;
3099 ret = get_errno(sys_openat(arg1,
3100 path(p),
3101 target_to_host_bitmask(arg3, fcntl_flags_tbl),
3102 arg4));
3103 unlock_user(p, arg2, 0);
3104 break;
3105 #endif
3106 case TARGET_NR_close:
3107 ret = get_errno(close(arg1));
3108 break;
3109 case TARGET_NR_brk:
3110 ret = do_brk(arg1);
3111 break;
3112 case TARGET_NR_fork:
3113 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
3114 break;
3115 #ifdef TARGET_NR_waitpid
3116 case TARGET_NR_waitpid:
3117 {
3118 int status;
3119 ret = get_errno(waitpid(arg1, &status, arg3));
3120 if (!is_error(ret) && arg2
3121 && put_user_s32(status, arg2))
3122 goto efault;
3123 }
3124 break;
3125 #endif
3126 #ifdef TARGET_NR_creat /* not on alpha */
3127 case TARGET_NR_creat:
3128 if (!(p = lock_user_string(arg1)))
3129 goto efault;
3130 ret = get_errno(creat(p, arg2));
3131 unlock_user(p, arg1, 0);
3132 break;
3133 #endif
3134 case TARGET_NR_link:
3135 {
3136 void * p2;
3137 p = lock_user_string(arg1);
3138 p2 = lock_user_string(arg2);
3139 if (!p || !p2)
3140 ret = -TARGET_EFAULT;
3141 else
3142 ret = get_errno(link(p, p2));
3143 unlock_user(p2, arg2, 0);
3144 unlock_user(p, arg1, 0);
3145 }
3146 break;
3147 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
3148 case TARGET_NR_linkat:
3149 {
3150 void * p2 = NULL;
3151 if (!arg2 || !arg4)
3152 goto efault;
3153 p = lock_user_string(arg2);
3154 p2 = lock_user_string(arg4);
3155 if (!p || !p2)
3156 ret = -TARGET_EFAULT;
3157 else
3158 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
3159 unlock_user(p, arg2, 0);
3160 unlock_user(p2, arg4, 0);
3161 }
3162 break;
3163 #endif
3164 case TARGET_NR_unlink:
3165 if (!(p = lock_user_string(arg1)))
3166 goto efault;
3167 ret = get_errno(unlink(p));
3168 unlock_user(p, arg1, 0);
3169 break;
3170 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
3171 case TARGET_NR_unlinkat:
3172 if (!(p = lock_user_string(arg2)))
3173 goto efault;
3174 ret = get_errno(sys_unlinkat(arg1, p, arg3));
3175 unlock_user(p, arg2, 0);
3176 #endif
3177 case TARGET_NR_execve:
3178 {
3179 char **argp, **envp;
3180 int argc, envc;
3181 abi_ulong gp;
3182 abi_ulong guest_argp;
3183 abi_ulong guest_envp;
3184 abi_ulong addr;
3185 char **q;
3186
3187 argc = 0;
3188 guest_argp = arg2;
3189 for (gp = guest_argp; ; gp++) {
3190 if (get_user_ual(guest_argp, gp))
3191 goto efault;
3192 if (!guest_argp)
3193 break;
3194 argc++;
3195 }
3196 envc = 0;
3197 guest_envp = arg3;
3198 for (gp = guest_envp; ; gp++) {
3199 if (get_user_ual(guest_envp, gp))
3200 goto efault;
3201 if (!guest_envp)
3202 break;
3203 envc++;
3204 }
3205
3206 argp = alloca((argc + 1) * sizeof(void *));
3207 envp = alloca((envc + 1) * sizeof(void *));
3208
3209 for (gp = guest_argp, q = argp; ;
3210 gp += sizeof(abi_ulong), q++) {
3211 if (get_user_ual(addr, gp))
3212 goto execve_efault;
3213 if (!addr)
3214 break;
3215 if (!(*q = lock_user_string(addr)))
3216 goto execve_efault;
3217 }
3218 *q = NULL;
3219
3220 for (gp = guest_envp, q = envp; ;
3221 gp += sizeof(abi_ulong), q++) {
3222 if (get_user_ual(addr, gp))
3223 goto execve_efault;
3224 if (!addr)
3225 break;
3226 if (!(*q = lock_user_string(addr)))
3227 goto execve_efault;
3228 }
3229 *q = NULL;
3230
3231 if (!(p = lock_user_string(arg1)))
3232 goto execve_efault;
3233 ret = get_errno(execve(p, argp, envp));
3234 unlock_user(p, arg1, 0);
3235
3236 goto execve_end;
3237
3238 execve_efault:
3239 ret = -TARGET_EFAULT;
3240
3241 execve_end:
3242 for (gp = guest_argp, q = argp; *q;
3243 gp += sizeof(abi_ulong), q++) {
3244 if (get_user_ual(addr, gp)
3245 || !addr)
3246 break;
3247 unlock_user(*q, addr, 0);
3248 }
3249 for (gp = guest_envp, q = envp; *q;
3250 gp += sizeof(abi_ulong), q++) {
3251 if (get_user_ual(addr, gp)
3252 || !addr)
3253 break;
3254 unlock_user(*q, addr, 0);
3255 }
3256 }
3257 break;
3258 case TARGET_NR_chdir:
3259 if (!(p = lock_user_string(arg1)))
3260 goto efault;
3261 ret = get_errno(chdir(p));
3262 unlock_user(p, arg1, 0);
3263 break;
3264 #ifdef TARGET_NR_time
3265 case TARGET_NR_time:
3266 {
3267 time_t host_time;
3268 ret = get_errno(time(&host_time));
3269 if (!is_error(ret)
3270 && arg1
3271 && put_user_sal(host_time, arg1))
3272 goto efault;
3273 }
3274 break;
3275 #endif
3276 case TARGET_NR_mknod:
3277 if (!(p = lock_user_string(arg1)))
3278 goto efault;
3279 ret = get_errno(mknod(p, arg2, arg3));
3280 unlock_user(p, arg1, 0);
3281 break;
3282 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
3283 case TARGET_NR_mknodat:
3284 if (!(p = lock_user_string(arg2)))
3285 goto efault;
3286 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
3287 unlock_user(p, arg2, 0);
3288 break;
3289 #endif
3290 case TARGET_NR_chmod:
3291 if (!(p = lock_user_string(arg1)))
3292 goto efault;
3293 ret = get_errno(chmod(p, arg2));
3294 unlock_user(p, arg1, 0);
3295 break;
3296 #ifdef TARGET_NR_break
3297 case TARGET_NR_break:
3298 goto unimplemented;
3299 #endif
3300 #ifdef TARGET_NR_oldstat
3301 case TARGET_NR_oldstat:
3302 goto unimplemented;
3303 #endif
3304 case TARGET_NR_lseek:
3305 ret = get_errno(lseek(arg1, arg2, arg3));
3306 break;
3307 #ifdef TARGET_NR_getxpid
3308 case TARGET_NR_getxpid:
3309 #else
3310 case TARGET_NR_getpid:
3311 #endif
3312 ret = get_errno(getpid());
3313 break;
3314 case TARGET_NR_mount:
3315 {
3316 /* need to look at the data field */
3317 void *p2, *p3;
3318 p = lock_user_string(arg1);
3319 p2 = lock_user_string(arg2);
3320 p3 = lock_user_string(arg3);
3321 if (!p || !p2 || !p3)
3322 ret = -TARGET_EFAULT;
3323 else
3324 /* FIXME - arg5 should be locked, but it isn't clear how to
3325 * do that since it's not guaranteed to be a NULL-terminated
3326 * string.
3327 */
3328 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
3329 unlock_user(p, arg1, 0);
3330 unlock_user(p2, arg2, 0);
3331 unlock_user(p3, arg3, 0);
3332 break;
3333 }
3334 #ifdef TARGET_NR_umount
3335 case TARGET_NR_umount:
3336 if (!(p = lock_user_string(arg1)))
3337 goto efault;
3338 ret = get_errno(umount(p));
3339 unlock_user(p, arg1, 0);
3340 break;
3341 #endif
3342 #ifdef TARGET_NR_stime /* not on alpha */
3343 case TARGET_NR_stime:
3344 {
3345 time_t host_time;
3346 if (get_user_sal(host_time, arg1))
3347 goto efault;
3348 ret = get_errno(stime(&host_time));
3349 }
3350 break;
3351 #endif
3352 case TARGET_NR_ptrace:
3353 goto unimplemented;
3354 #ifdef TARGET_NR_alarm /* not on alpha */
3355 case TARGET_NR_alarm:
3356 ret = alarm(arg1);
3357 break;
3358 #endif
3359 #ifdef TARGET_NR_oldfstat
3360 case TARGET_NR_oldfstat:
3361 goto unimplemented;
3362 #endif
3363 #ifdef TARGET_NR_pause /* not on alpha */
3364 case TARGET_NR_pause:
3365 ret = get_errno(pause());
3366 break;
3367 #endif
3368 #ifdef TARGET_NR_utime
3369 case TARGET_NR_utime:
3370 {
3371 struct utimbuf tbuf, *host_tbuf;
3372 struct target_utimbuf *target_tbuf;
3373 if (arg2) {
3374 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
3375 goto efault;
3376 tbuf.actime = tswapl(target_tbuf->actime);
3377 tbuf.modtime = tswapl(target_tbuf->modtime);
3378 unlock_user_struct(target_tbuf, arg2, 0);
3379 host_tbuf = &tbuf;
3380 } else {
3381 host_tbuf = NULL;
3382 }
3383 if (!(p = lock_user_string(arg1)))
3384 goto efault;
3385 ret = get_errno(utime(p, host_tbuf));
3386 unlock_user(p, arg1, 0);
3387 }
3388 break;
3389 #endif
3390 case TARGET_NR_utimes:
3391 {
3392 struct timeval *tvp, tv[2];
3393 if (arg2) {
3394 target_to_host_timeval(&tv[0], arg2);
3395 target_to_host_timeval(&tv[1],
3396 arg2 + sizeof (struct target_timeval));
3397 tvp = tv;
3398 } else {
3399 tvp = NULL;
3400 }
3401 if (!(p = lock_user_string(arg1)))
3402 goto efault;
3403 ret = get_errno(utimes(p, tvp));
3404 unlock_user(p, arg1, 0);
3405 }
3406 break;
3407 #ifdef TARGET_NR_stty
3408 case TARGET_NR_stty:
3409 goto unimplemented;
3410 #endif
3411 #ifdef TARGET_NR_gtty
3412 case TARGET_NR_gtty:
3413 goto unimplemented;
3414 #endif
3415 case TARGET_NR_access:
3416 if (!(p = lock_user_string(arg1)))
3417 goto efault;
3418 ret = get_errno(access(p, arg2));
3419 unlock_user(p, arg1, 0);
3420 break;
3421 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
3422 case TARGET_NR_faccessat:
3423 if (!(p = lock_user_string(arg2)))
3424 goto efault;
3425 ret = get_errno(sys_faccessat(arg1, p, arg3, arg4));
3426 unlock_user(p, arg2, 0);
3427 break;
3428 #endif
3429 #ifdef TARGET_NR_nice /* not on alpha */
3430 case TARGET_NR_nice:
3431 ret = get_errno(nice(arg1));
3432 break;
3433 #endif
3434 #ifdef TARGET_NR_ftime
3435 case TARGET_NR_ftime:
3436 goto unimplemented;
3437 #endif
3438 case TARGET_NR_sync:
3439 sync();
3440 ret = 0;
3441 break;
3442 case TARGET_NR_kill:
3443 ret = get_errno(kill(arg1, arg2));
3444 break;
3445 case TARGET_NR_rename:
3446 {
3447 void *p2;
3448 p = lock_user_string(arg1);
3449 p2 = lock_user_string(arg2);
3450 if (!p || !p2)
3451 ret = -TARGET_EFAULT;
3452 else
3453 ret = get_errno(rename(p, p2));
3454 unlock_user(p2, arg2, 0);
3455 unlock_user(p, arg1, 0);
3456 }
3457 break;
3458 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
3459 case TARGET_NR_renameat:
3460 {
3461 void *p2;
3462 p = lock_user_string(arg2);
3463 p2 = lock_user_string(arg4);
3464 if (!p || !p2)
3465 ret = -TARGET_EFAULT;
3466 else
3467 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
3468 unlock_user(p2, arg4, 0);
3469 unlock_user(p, arg2, 0);
3470 }
3471 break;
3472 #endif
3473 case TARGET_NR_mkdir:
3474 if (!(p = lock_user_string(arg1)))
3475 goto efault;
3476 ret = get_errno(mkdir(p, arg2));
3477 unlock_user(p, arg1, 0);
3478 break;
3479 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
3480 case TARGET_NR_mkdirat:
3481 if (!(p = lock_user_string(arg2)))
3482 goto efault;
3483 ret = get_errno(sys_mkdirat(arg1, p, arg3));
3484 unlock_user(p, arg2, 0);
3485 break;
3486 #endif
3487 case TARGET_NR_rmdir:
3488 if (!(p = lock_user_string(arg1)))
3489 goto efault;
3490 ret = get_errno(rmdir(p));
3491 unlock_user(p, arg1, 0);
3492 break;
3493 case TARGET_NR_dup:
3494 ret = get_errno(dup(arg1));
3495 break;
3496 case TARGET_NR_pipe:
3497 {
3498 int host_pipe[2];
3499 ret = get_errno(pipe(host_pipe));
3500 if (!is_error(ret)) {
3501 #if defined(TARGET_MIPS)
3502 CPUMIPSState *env = (CPUMIPSState*)cpu_env;
3503 env->gpr[3][env->current_tc] = host_pipe[1];
3504 ret = host_pipe[0];
3505 #else
3506 if (put_user_s32(host_pipe[0], arg1)
3507 || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0])))
3508 goto efault;
3509 #endif
3510 }
3511 }
3512 break;
3513 case TARGET_NR_times:
3514 {
3515 struct target_tms *tmsp;
3516 struct tms tms;
3517 ret = get_errno(times(&tms));
3518 if (arg1) {
3519 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
3520 if (!tmsp)
3521 goto efault;
3522 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
3523 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
3524 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
3525 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
3526 }
3527 if (!is_error(ret))
3528 ret = host_to_target_clock_t(ret);
3529 }
3530 break;
3531 #ifdef TARGET_NR_prof
3532 case TARGET_NR_prof:
3533 goto unimplemented;
3534 #endif
3535 #ifdef TARGET_NR_signal
3536 case TARGET_NR_signal:
3537 goto unimplemented;
3538 #endif
3539 case TARGET_NR_acct:
3540 if (!(p = lock_user_string(arg1)))
3541 goto efault;
3542 ret = get_errno(acct(path(p)));
3543 unlock_user(p, arg1, 0);
3544 break;
3545 #ifdef TARGET_NR_umount2 /* not on alpha */
3546 case TARGET_NR_umount2:
3547 if (!(p = lock_user_string(arg1)))
3548 goto efault;
3549 ret = get_errno(umount2(p, arg2));
3550 unlock_user(p, arg1, 0);
3551 break;
3552 #endif
3553 #ifdef TARGET_NR_lock
3554 case TARGET_NR_lock:
3555 goto unimplemented;
3556 #endif
3557 case TARGET_NR_ioctl:
3558 ret = do_ioctl(arg1, arg2, arg3);
3559 break;
3560 case TARGET_NR_fcntl:
3561 ret = do_fcntl(arg1, arg2, arg3);
3562 break;
3563 #ifdef TARGET_NR_mpx
3564 case TARGET_NR_mpx:
3565 goto unimplemented;
3566 #endif
3567 case TARGET_NR_setpgid:
3568 ret = get_errno(setpgid(arg1, arg2));
3569 break;
3570 #ifdef TARGET_NR_ulimit
3571 case TARGET_NR_ulimit:
3572 goto unimplemented;
3573 #endif
3574 #ifdef TARGET_NR_oldolduname
3575 case TARGET_NR_oldolduname:
3576 goto unimplemented;
3577 #endif
3578 case TARGET_NR_umask:
3579 ret = get_errno(umask(arg1));
3580 break;
3581 case TARGET_NR_chroot:
3582 if (!(p = lock_user_string(arg1)))
3583 goto efault;
3584 ret = get_errno(chroot(p));
3585 unlock_user(p, arg1, 0);
3586 break;
3587 case TARGET_NR_ustat:
3588 goto unimplemented;
3589 case TARGET_NR_dup2:
3590 ret = get_errno(dup2(arg1, arg2));
3591 break;
3592 #ifdef TARGET_NR_getppid /* not on alpha */
3593 case TARGET_NR_getppid:
3594 ret = get_errno(getppid());
3595 break;
3596 #endif
3597 case TARGET_NR_getpgrp:
3598 ret = get_errno(getpgrp());
3599 break;
3600 case TARGET_NR_setsid:
3601 ret = get_errno(setsid());
3602 break;
3603 #ifdef TARGET_NR_sigaction
3604 case TARGET_NR_sigaction:
3605 {
3606 #if !defined(TARGET_MIPS)
3607 struct target_old_sigaction *old_act;
3608 struct target_sigaction act, oact, *pact;
3609 if (arg2) {
3610 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
3611 goto efault;
3612 act._sa_handler = old_act->_sa_handler;
3613 target_siginitset(&act.sa_mask, old_act->sa_mask);
3614 act.sa_flags = old_act->sa_flags;
3615 act.sa_restorer = old_act->sa_restorer;
3616 unlock_user_struct(old_act, arg2, 0);
3617 pact = &act;
3618 } else {
3619 pact = NULL;
3620 }
3621 ret = get_errno(do_sigaction(arg1, pact, &oact));
3622 if (!is_error(ret) && arg3) {
3623 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
3624 goto efault;
3625 old_act->_sa_handler = oact._sa_handler;
3626 old_act->sa_mask = oact.sa_mask.sig[0];
3627 old_act->sa_flags = oact.sa_flags;
3628 old_act->sa_restorer = oact.sa_restorer;
3629 unlock_user_struct(old_act, arg3, 1);
3630 }
3631 #else
3632 struct target_sigaction act, oact, *pact, *old_act;
3633
3634 if (arg2) {
3635 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
3636 goto efault;
3637 act._sa_handler = old_act->_sa_handler;
3638 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
3639 act.sa_flags = old_act->sa_flags;
3640 unlock_user_struct(old_act, arg2, 0);
3641 pact = &act;
3642 } else {
3643 pact = NULL;
3644 }
3645
3646 ret = get_errno(do_sigaction(arg1, pact, &oact));
3647
3648 if (!is_error(ret) && arg3) {
3649 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
3650 goto efault;
3651 old_act->_sa_handler = oact._sa_handler;
3652 old_act->sa_flags = oact.sa_flags;
3653 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
3654 old_act->sa_mask.sig[1] = 0;
3655 old_act->sa_mask.sig[2] = 0;
3656 old_act->sa_mask.sig[3] = 0;
3657 unlock_user_struct(old_act, arg3, 1);
3658 }
3659 #endif
3660 }
3661 break;
3662 #endif
3663 case TARGET_NR_rt_sigaction:
3664 {
3665 struct target_sigaction *act;
3666 struct target_sigaction *oact;
3667
3668 if (arg2) {
3669 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
3670 goto efault;
3671 } else
3672 act = NULL;
3673 if (arg3) {
3674 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
3675 ret = -TARGET_EFAULT;
3676 goto rt_sigaction_fail;
3677 }
3678 } else
3679 oact = NULL;
3680 ret = get_errno(do_sigaction(arg1, act, oact));
3681 rt_sigaction_fail:
3682 if (act)
3683 unlock_user_struct(act, arg2, 0);
3684 if (oact)
3685 unlock_user_struct(oact, arg3, 1);
3686 }
3687 break;
3688 #ifdef TARGET_NR_sgetmask /* not on alpha */
3689 case TARGET_NR_sgetmask:
3690 {
3691 sigset_t cur_set;
3692 abi_ulong target_set;
3693 sigprocmask(0, NULL, &cur_set);
3694 host_to_target_old_sigset(&target_set, &cur_set);
3695 ret = target_set;
3696 }
3697 break;
3698 #endif
3699 #ifdef TARGET_NR_ssetmask /* not on alpha */
3700 case TARGET_NR_ssetmask:
3701 {
3702 sigset_t set, oset, cur_set;
3703 abi_ulong target_set = arg1;
3704 sigprocmask(0, NULL, &cur_set);
3705 target_to_host_old_sigset(&set, &target_set);
3706 sigorset(&set, &set, &cur_set);
3707 sigprocmask(SIG_SETMASK, &set, &oset);
3708 host_to_target_old_sigset(&target_set, &oset);
3709 ret = target_set;
3710 }
3711 break;
3712 #endif
3713 #ifdef TARGET_NR_sigprocmask
3714 case TARGET_NR_sigprocmask:
3715 {
3716 int how = arg1;
3717 sigset_t set, oldset, *set_ptr;
3718
3719 if (arg2) {
3720 switch(how) {
3721 case TARGET_SIG_BLOCK:
3722 how = SIG_BLOCK;
3723 break;
3724 case TARGET_SIG_UNBLOCK:
3725 how = SIG_UNBLOCK;
3726 break;
3727 case TARGET_SIG_SETMASK:
3728 how = SIG_SETMASK;
3729 break;
3730 default:
3731 ret = -TARGET_EINVAL;
3732 goto fail;
3733 }
3734 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
3735 goto efault;
3736 target_to_host_old_sigset(&set, p);
3737 unlock_user(p, arg2, 0);
3738 set_ptr = &set;
3739 } else {
3740 how = 0;
3741 set_ptr = NULL;
3742 }
3743 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
3744 if (!is_error(ret) && arg3) {
3745 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
3746 goto efault;
3747 host_to_target_old_sigset(p, &oldset);
3748 unlock_user(p, arg3, sizeof(target_sigset_t));
3749 }
3750 }
3751 break;
3752 #endif
3753 case TARGET_NR_rt_sigprocmask:
3754 {
3755 int how = arg1;
3756 sigset_t set, oldset, *set_ptr;
3757
3758 if (arg2) {
3759 switch(how) {
3760 case TARGET_SIG_BLOCK:
3761 how = SIG_BLOCK;
3762 break;
3763 case TARGET_SIG_UNBLOCK:
3764 how = SIG_UNBLOCK;
3765 break;
3766 case TARGET_SIG_SETMASK:
3767 how = SIG_SETMASK;
3768 break;
3769 default:
3770 ret = -TARGET_EINVAL;
3771 goto fail;
3772 }
3773 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
3774 goto efault;
3775 target_to_host_sigset(&set, p);
3776 unlock_user(p, arg2, 0);
3777 set_ptr = &set;
3778 } else {
3779 how = 0;
3780 set_ptr = NULL;
3781 }
3782 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
3783 if (!is_error(ret) && arg3) {
3784 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
3785 goto efault;
3786 host_to_target_sigset(p, &oldset);
3787 unlock_user(p, arg3, sizeof(target_sigset_t));
3788 }
3789 }
3790 break;
3791 #ifdef TARGET_NR_sigpending
3792 case TARGET_NR_sigpending:
3793 {
3794 sigset_t set;
3795 ret = get_errno(sigpending(&set));
3796 if (!is_error(ret)) {
3797 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
3798 goto efault;
3799 host_to_target_old_sigset(p, &set);
3800 unlock_user(p, arg1, sizeof(target_sigset_t));
3801 }
3802 }
3803 break;
3804 #endif
3805 case TARGET_NR_rt_sigpending:
3806 {
3807 sigset_t set;
3808 ret = get_errno(sigpending(&set));
3809 if (!is_error(ret)) {
3810 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
3811 goto efault;
3812 host_to_target_sigset(p, &set);
3813 unlock_user(p, arg1, sizeof(target_sigset_t));
3814 }
3815 }
3816 break;
3817 #ifdef TARGET_NR_sigsuspend
3818 case TARGET_NR_sigsuspend:
3819 {
3820 sigset_t set;
3821 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
3822 goto efault;
3823 target_to_host_old_sigset(&set, p);
3824 unlock_user(p, arg1, 0);
3825 ret = get_errno(sigsuspend(&set));
3826 }
3827 break;
3828 #endif
3829 case TARGET_NR_rt_sigsuspend:
3830 {
3831 sigset_t set;
3832 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
3833 goto efault;
3834 target_to_host_sigset(&set, p);
3835 unlock_user(p, arg1, 0);
3836 ret = get_errno(sigsuspend(&set));
3837 }
3838 break;
3839 case TARGET_NR_rt_sigtimedwait:
3840 {
3841 sigset_t set;
3842 struct timespec uts, *puts;
3843 siginfo_t uinfo;
3844
3845 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
3846 goto efault;
3847 target_to_host_sigset(&set, p);
3848 unlock_user(p, arg1, 0);
3849 if (arg3) {
3850 puts = &uts;
3851 target_to_host_timespec(puts, arg3);
3852 } else {
3853 puts = NULL;
3854 }
3855 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
3856 if (!is_error(ret) && arg2) {
3857 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_sigset_t), 0)))
3858 goto efault;
3859 host_to_target_siginfo(p, &uinfo);
3860 unlock_user(p, arg2, sizeof(target_sigset_t));
3861 }
3862 }
3863 break;
3864 case TARGET_NR_rt_sigqueueinfo:
3865 {
3866 siginfo_t uinfo;
3867 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
3868 goto efault;
3869 target_to_host_siginfo(&uinfo, p);
3870 unlock_user(p, arg1, 0);
3871 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3872 }
3873 break;
3874 #ifdef TARGET_NR_sigreturn
3875 case TARGET_NR_sigreturn:
3876 /* NOTE: ret is eax, so not transcoding must be done */
3877 ret = do_sigreturn(cpu_env);
3878 break;
3879 #endif
3880 case TARGET_NR_rt_sigreturn:
3881 /* NOTE: ret is eax, so not transcoding must be done */
3882 ret = do_rt_sigreturn(cpu_env);
3883 break;
3884 case TARGET_NR_sethostname:
3885 if (!(p = lock_user_string(arg1)))
3886 goto efault;
3887 ret = get_errno(sethostname(p, arg2));
3888 unlock_user(p, arg1, 0);
3889 break;
3890 case TARGET_NR_setrlimit:
3891 {
3892 /* XXX: convert resource ? */
3893 int resource = arg1;
3894 struct target_rlimit *target_rlim;
3895 struct rlimit rlim;
3896 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
3897 goto efault;
3898 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3899 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3900 unlock_user_struct(target_rlim, arg2, 0);
3901 ret = get_errno(setrlimit(resource, &rlim));
3902 }
3903 break;
3904 case TARGET_NR_getrlimit:
3905 {
3906 /* XXX: convert resource ? */
3907 int resource = arg1;
3908 struct target_rlimit *target_rlim;
3909 struct rlimit rlim;
3910
3911 ret = get_errno(getrlimit(resource, &rlim));
3912 if (!is_error(ret)) {
3913 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
3914 goto efault;
3915 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3916 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3917 unlock_user_struct(target_rlim, arg2, 1);
3918 }
3919 }
3920 break;
3921 case TARGET_NR_getrusage:
3922 {
3923 struct rusage rusage;
3924 ret = get_errno(getrusage(arg1, &rusage));
3925 if (!is_error(ret)) {
3926 host_to_target_rusage(arg2, &rusage);
3927 }
3928 }
3929 break;
3930 case TARGET_NR_gettimeofday:
3931 {
3932 struct timeval tv;
3933 ret = get_errno(gettimeofday(&tv, NULL));
3934 if (!is_error(ret)) {
3935 host_to_target_timeval(arg1, &tv);
3936 }
3937 }
3938 break;
3939 case TARGET_NR_settimeofday:
3940 {
3941 struct timeval tv;
3942 target_to_host_timeval(&tv, arg1);
3943 ret = get_errno(settimeofday(&tv, NULL));
3944 }
3945 break;
3946 #ifdef TARGET_NR_select
3947 case TARGET_NR_select:
3948 {
3949 struct target_sel_arg_struct *sel;
3950 abi_ulong inp, outp, exp, tvp;
3951 long nsel;
3952
3953 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
3954 goto efault;
3955 nsel = tswapl(sel->n);
3956 inp = tswapl(sel->inp);
3957 outp = tswapl(sel->outp);
3958 exp = tswapl(sel->exp);
3959 tvp = tswapl(sel->tvp);
3960 unlock_user_struct(sel, arg1, 0);
3961 ret = do_select(nsel, inp, outp, exp, tvp);
3962 }
3963 break;
3964 #endif
3965 case TARGET_NR_symlink:
3966 {
3967 void *p2;
3968 p = lock_user_string(arg1);
3969 p2 = lock_user_string(arg2);
3970 if (!p || !p2)
3971 ret = -TARGET_EFAULT;
3972 else
3973 ret = get_errno(symlink(p, p2));
3974 unlock_user(p2, arg2, 0);
3975 unlock_user(p, arg1, 0);
3976 }
3977 break;
3978 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
3979 case TARGET_NR_symlinkat:
3980 {
3981 void *p2;
3982 p = lock_user_string(arg1);
3983 p2 = lock_user_string(arg3);
3984 if (!p || !p2)
3985 ret = -TARGET_EFAULT;
3986 else
3987 ret = get_errno(sys_symlinkat(p, arg2, p2));
3988 unlock_user(p2, arg3, 0);
3989 unlock_user(p, arg1, 0);
3990 }
3991 break;
3992 #endif
3993 #ifdef TARGET_NR_oldlstat
3994 case TARGET_NR_oldlstat:
3995 goto unimplemented;
3996 #endif
3997 case TARGET_NR_readlink:
3998 {
3999 void *p2;
4000 p = lock_user_string(arg1);
4001 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
4002 if (!p || !p2)
4003 ret = -TARGET_EFAULT;
4004 else
4005 ret = get_errno(readlink(path(p), p2, arg3));
4006 unlock_user(p2, arg2, ret);
4007 unlock_user(p, arg1, 0);
4008 }
4009 break;
4010 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
4011 case TARGET_NR_readlinkat:
4012 {
4013 void *p2;
4014 p = lock_user_string(arg2);
4015 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
4016 if (!p || !p2)
4017 ret = -TARGET_EFAULT;
4018 else
4019 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
4020 unlock_user(p2, arg3, ret);
4021 unlock_user(p, arg2, 0);
4022 }
4023 break;
4024 #endif
4025 #ifdef TARGET_NR_uselib
4026 case TARGET_NR_uselib:
4027 goto unimplemented;
4028 #endif
4029 #ifdef TARGET_NR_swapon
4030 case TARGET_NR_swapon:
4031 if (!(p = lock_user_string(arg1)))
4032 goto efault;
4033 ret = get_errno(swapon(p, arg2));
4034 unlock_user(p, arg1, 0);
4035 break;
4036 #endif
4037 case TARGET_NR_reboot:
4038 goto unimplemented;
4039 #ifdef TARGET_NR_readdir
4040 case TARGET_NR_readdir:
4041 goto unimplemented;
4042 #endif
4043 #ifdef TARGET_NR_mmap
4044 case TARGET_NR_mmap:
4045 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
4046 {
4047 abi_ulong *v;
4048 abi_ulong v1, v2, v3, v4, v5, v6;
4049 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
4050 goto efault;
4051 v1 = tswapl(v[0]);
4052 v2 = tswapl(v[1]);
4053 v3 = tswapl(v[2]);
4054 v4 = tswapl(v[3]);
4055 v5 = tswapl(v[4]);
4056 v6 = tswapl(v[5]);
4057 unlock_user(v, arg1, 0);
4058 ret = get_errno(target_mmap(v1, v2, v3,
4059 target_to_host_bitmask(v4, mmap_flags_tbl),
4060 v5, v6));
4061 }
4062 #else
4063 ret = get_errno(target_mmap(arg1, arg2, arg3,
4064 target_to_host_bitmask(arg4, mmap_flags_tbl),
4065 arg5,
4066 arg6));
4067 #endif
4068 break;
4069 #endif
4070 #ifdef TARGET_NR_mmap2
4071 case TARGET_NR_mmap2:
4072 #if defined(TARGET_SPARC) || defined(TARGET_MIPS)
4073 #define MMAP_SHIFT 12
4074 #else
4075 #define MMAP_SHIFT TARGET_PAGE_BITS
4076 #endif
4077 ret = get_errno(target_mmap(arg1, arg2, arg3,
4078 target_to_host_bitmask(arg4, mmap_flags_tbl),
4079 arg5,
4080 arg6 << MMAP_SHIFT));
4081 break;
4082 #endif
4083 case TARGET_NR_munmap:
4084 ret = get_errno(target_munmap(arg1, arg2));
4085 break;
4086 case TARGET_NR_mprotect:
4087 ret = get_errno(target_mprotect(arg1, arg2, arg3));
4088 break;
4089 #ifdef TARGET_NR_mremap
4090 case TARGET_NR_mremap:
4091 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
4092 break;
4093 #endif
4094 /* ??? msync/mlock/munlock are broken for softmmu. */
4095 #ifdef TARGET_NR_msync
4096 case TARGET_NR_msync:
4097 ret = get_errno(msync(g2h(arg1), arg2, arg3));
4098 break;
4099 #endif
4100 #ifdef TARGET_NR_mlock
4101 case TARGET_NR_mlock:
4102 ret = get_errno(mlock(g2h(arg1), arg2));
4103 break;
4104 #endif
4105 #ifdef TARGET_NR_munlock
4106 case TARGET_NR_munlock:
4107 ret = get_errno(munlock(g2h(arg1), arg2));
4108 break;
4109 #endif
4110 #ifdef TARGET_NR_mlockall
4111 case TARGET_NR_mlockall:
4112 ret = get_errno(mlockall(arg1));
4113 break;
4114 #endif
4115 #ifdef TARGET_NR_munlockall
4116 case TARGET_NR_munlockall:
4117 ret = get_errno(munlockall());
4118 break;
4119 #endif
4120 case TARGET_NR_truncate:
4121 if (!(p = lock_user_string(arg1)))
4122 goto efault;
4123 ret = get_errno(truncate(p, arg2));
4124 unlock_user(p, arg1, 0);
4125 break;
4126 case TARGET_NR_ftruncate:
4127 ret = get_errno(ftruncate(arg1, arg2));
4128 break;
4129 case TARGET_NR_fchmod:
4130 ret = get_errno(fchmod(arg1, arg2));
4131 break;
4132 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
4133 case TARGET_NR_fchmodat:
4134 if (!(p = lock_user_string(arg2)))
4135 goto efault;
4136 ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4));
4137 unlock_user(p, arg2, 0);
4138 break;
4139 #endif
4140 case TARGET_NR_getpriority:
4141 /* libc does special remapping of the return value of
4142 * sys_getpriority() so it's just easiest to call
4143 * sys_getpriority() directly rather than through libc. */
4144 ret = sys_getpriority(arg1, arg2);
4145 break;
4146 case TARGET_NR_setpriority:
4147 ret = get_errno(setpriority(arg1, arg2, arg3));
4148 break;
4149 #ifdef TARGET_NR_profil
4150 case TARGET_NR_profil:
4151 goto unimplemented;
4152 #endif
4153 case TARGET_NR_statfs:
4154 if (!(p = lock_user_string(arg1)))
4155 goto efault;
4156 ret = get_errno(statfs(path(p), &stfs));
4157 unlock_user(p, arg1, 0);
4158 convert_statfs:
4159 if (!is_error(ret)) {
4160 struct target_statfs *target_stfs;
4161
4162 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
4163 goto efault;
4164 __put_user(stfs.f_type, &target_stfs->f_type);
4165 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4166 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4167 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4168 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4169 __put_user(stfs.f_files, &target_stfs->f_files);
4170 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4171 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4172 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4173 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
4174 unlock_user_struct(target_stfs, arg2, 1);
4175 }
4176 break;
4177 case TARGET_NR_fstatfs:
4178 ret = get_errno(fstatfs(arg1, &stfs));
4179 goto convert_statfs;
4180 #ifdef TARGET_NR_statfs64
4181 case TARGET_NR_statfs64:
4182 if (!(p = lock_user_string(arg1)))
4183 goto efault;
4184 ret = get_errno(statfs(path(p), &stfs));
4185 unlock_user(p, arg1, 0);
4186 convert_statfs64:
4187 if (!is_error(ret)) {
4188 struct target_statfs64 *target_stfs;
4189
4190 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
4191 goto efault;
4192 __put_user(stfs.f_type, &target_stfs->f_type);
4193 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4194 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4195 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4196 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4197 __put_user(stfs.f_files, &target_stfs->f_files);
4198 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4199 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4200 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4201 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
4202 unlock_user_struct(target_stfs, arg3, 1);
4203 }
4204 break;
4205 case TARGET_NR_fstatfs64:
4206 ret = get_errno(fstatfs(arg1, &stfs));
4207 goto convert_statfs64;
4208 #endif
4209 #ifdef TARGET_NR_ioperm
4210 case TARGET_NR_ioperm:
4211 goto unimplemented;
4212 #endif
4213 #ifdef TARGET_NR_socketcall
4214 case TARGET_NR_socketcall:
4215 ret = do_socketcall(arg1, arg2);
4216 break;
4217 #endif
4218 #ifdef TARGET_NR_accept
4219 case TARGET_NR_accept:
4220 ret = do_accept(arg1, arg2, arg3);
4221 break;
4222 #endif
4223 #ifdef TARGET_NR_bind
4224 case TARGET_NR_bind:
4225 ret = do_bind(arg1, arg2, arg3);
4226 break;
4227 #endif
4228 #ifdef TARGET_NR_connect
4229 case TARGET_NR_connect:
4230 ret = do_connect(arg1, arg2, arg3);
4231 break;
4232 #endif
4233 #ifdef TARGET_NR_getpeername
4234 case TARGET_NR_getpeername:
4235 ret = do_getpeername(arg1, arg2, arg3);
4236 break;
4237 #endif
4238 #ifdef TARGET_NR_getsockname
4239 case TARGET_NR_getsockname:
4240 ret = do_getsockname(arg1, arg2, arg3);
4241 break;
4242 #endif
4243 #ifdef TARGET_NR_getsockopt
4244 case TARGET_NR_getsockopt:
4245 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
4246 break;
4247 #endif
4248 #ifdef TARGET_NR_listen
4249 case TARGET_NR_listen:
4250 ret = get_errno(listen(arg1, arg2));
4251 break;
4252 #endif
4253 #ifdef TARGET_NR_recv
4254 case TARGET_NR_recv:
4255 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
4256 break;
4257 #endif
4258 #ifdef TARGET_NR_recvfrom
4259 case TARGET_NR_recvfrom:
4260 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
4261 break;
4262 #endif
4263 #ifdef TARGET_NR_recvmsg
4264 case TARGET_NR_recvmsg:
4265 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
4266 break;
4267 #endif
4268 #ifdef TARGET_NR_send
4269 case TARGET_NR_send:
4270 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
4271 break;
4272 #endif
4273 #ifdef TARGET_NR_sendmsg
4274 case TARGET_NR_sendmsg:
4275 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
4276 break;
4277 #endif
4278 #ifdef TARGET_NR_sendto
4279 case TARGET_NR_sendto:
4280 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
4281 break;
4282 #endif
4283 #ifdef TARGET_NR_shutdown
4284 case TARGET_NR_shutdown:
4285 ret = get_errno(shutdown(arg1, arg2));
4286 break;
4287 #endif
4288 #ifdef TARGET_NR_socket
4289 case TARGET_NR_socket:
4290 ret = do_socket(arg1, arg2, arg3);
4291 break;
4292 #endif
4293 #ifdef TARGET_NR_socketpair
4294 case TARGET_NR_socketpair:
4295 ret = do_socketpair(arg1, arg2, arg3, arg4);
4296 break;
4297 #endif
4298 #ifdef TARGET_NR_setsockopt
4299 case TARGET_NR_setsockopt:
4300 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
4301 break;
4302 #endif
4303
4304 case TARGET_NR_syslog:
4305 if (!(p = lock_user_string(arg2)))
4306 goto efault;
4307 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
4308 unlock_user(p, arg2, 0);
4309 break;
4310
4311 case TARGET_NR_setitimer:
4312 {
4313 struct itimerval value, ovalue, *pvalue;
4314
4315 if (arg2) {
4316 pvalue = &value;
4317 target_to_host_timeval(&pvalue->it_interval,
4318 arg2);
4319 target_to_host_timeval(&pvalue->it_value,
4320 arg2 + sizeof(struct target_timeval));
4321 } else {
4322 pvalue = NULL;
4323 }
4324 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
4325 if (!is_error(ret) && arg3) {
4326 host_to_target_timeval(arg3,
4327 &ovalue.it_interval);
4328 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
4329 &ovalue.it_value);
4330 }
4331 }
4332 break;
4333 case TARGET_NR_getitimer:
4334 {
4335 struct itimerval value;
4336
4337 ret = get_errno(getitimer(arg1, &value));
4338 if (!is_error(ret) && arg2) {
4339 host_to_target_timeval(arg2,
4340 &value.it_interval);
4341 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
4342 &value.it_value);
4343 }
4344 }
4345 break;
4346 case TARGET_NR_stat:
4347 if (!(p = lock_user_string(arg1)))
4348 goto efault;
4349 ret = get_errno(stat(path(p), &st));
4350 unlock_user(p, arg1, 0);
4351 goto do_stat;
4352 case TARGET_NR_lstat:
4353 if (!(p = lock_user_string(arg1)))
4354 goto efault;
4355 ret = get_errno(lstat(path(p), &st));
4356 unlock_user(p, arg1, 0);
4357 goto do_stat;
4358 case TARGET_NR_fstat:
4359 {
4360 ret = get_errno(fstat(arg1, &st));
4361 do_stat:
4362 if (!is_error(ret)) {
4363 struct target_stat *target_st;
4364
4365 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
4366 goto efault;
4367 __put_user(st.st_dev, &target_st->st_dev);
4368 __put_user(st.st_ino, &target_st->st_ino);
4369 __put_user(st.st_mode, &target_st->st_mode);
4370 __put_user(st.st_uid, &target_st->st_uid);
4371 __put_user(st.st_gid, &target_st->st_gid);
4372 __put_user(st.st_nlink, &target_st->st_nlink);
4373 __put_user(st.st_rdev, &target_st->st_rdev);
4374 __put_user(st.st_size, &target_st->st_size);
4375 __put_user(st.st_blksize, &target_st->st_blksize);
4376 __put_user(st.st_blocks, &target_st->st_blocks);
4377 __put_user(st.st_atime, &target_st->target_st_atime);
4378 __put_user(st.st_mtime, &target_st->target_st_mtime);
4379 __put_user(st.st_ctime, &target_st->target_st_ctime);
4380 unlock_user_struct(target_st, arg2, 1);
4381 }
4382 }
4383 break;
4384 #ifdef TARGET_NR_olduname
4385 case TARGET_NR_olduname:
4386 goto unimplemented;
4387 #endif
4388 #ifdef TARGET_NR_iopl
4389 case TARGET_NR_iopl:
4390 goto unimplemented;
4391 #endif
4392 case TARGET_NR_vhangup:
4393 ret = get_errno(vhangup());
4394 break;
4395 #ifdef TARGET_NR_idle
4396 case TARGET_NR_idle:
4397 goto unimplemented;
4398 #endif
4399 #ifdef TARGET_NR_syscall
4400 case TARGET_NR_syscall:
4401 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
4402 break;
4403 #endif
4404 case TARGET_NR_wait4:
4405 {
4406 int status;
4407 abi_long status_ptr = arg2;
4408 struct rusage rusage, *rusage_ptr;
4409 abi_ulong target_rusage = arg4;
4410 if (target_rusage)
4411 rusage_ptr = &rusage;
4412 else
4413 rusage_ptr = NULL;
4414 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
4415 if (!is_error(ret)) {
4416 if (status_ptr) {
4417 if (put_user_s32(status, status_ptr))
4418 goto efault;
4419 }
4420 if (target_rusage)
4421 host_to_target_rusage(target_rusage, &rusage);
4422 }
4423 }
4424 break;
4425 #ifdef TARGET_NR_swapoff
4426 case TARGET_NR_swapoff:
4427 if (!(p = lock_user_string(arg1)))
4428 goto efault;
4429 ret = get_errno(swapoff(p));
4430 unlock_user(p, arg1, 0);
4431 break;
4432 #endif
4433 case TARGET_NR_sysinfo:
4434 {
4435 struct target_sysinfo *target_value;
4436 struct sysinfo value;
4437 ret = get_errno(sysinfo(&value));
4438 if (!is_error(ret) && arg1)
4439 {
4440 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
4441 goto efault;
4442 __put_user(value.uptime, &target_value->uptime);
4443 __put_user(value.loads[0], &target_value->loads[0]);
4444 __put_user(value.loads[1], &target_value->loads[1]);
4445 __put_user(value.loads[2], &target_value->loads[2]);
4446 __put_user(value.totalram, &target_value->totalram);
4447 __put_user(value.freeram, &target_value->freeram);
4448 __put_user(value.sharedram, &target_value->sharedram);
4449 __put_user(value.bufferram, &target_value->bufferram);
4450 __put_user(value.totalswap, &target_value->totalswap);
4451 __put_user(value.freeswap, &target_value->freeswap);
4452 __put_user(value.procs, &target_value->procs);
4453 __put_user(value.totalhigh, &target_value->totalhigh);
4454 __put_user(value.freehigh, &target_value->freehigh);
4455 __put_user(value.mem_unit, &target_value->mem_unit);
4456 unlock_user_struct(target_value, arg1, 1);
4457 }
4458 }
4459 break;
4460 #ifdef TARGET_NR_ipc
4461 case TARGET_NR_ipc:
4462 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
4463 break;
4464 #endif
4465 case TARGET_NR_fsync:
4466 ret = get_errno(fsync(arg1));
4467 break;
4468 case TARGET_NR_clone:
4469 ret = get_errno(do_fork(cpu_env, arg1, arg2));
4470 break;
4471 #ifdef __NR_exit_group
4472 /* new thread calls */
4473 case TARGET_NR_exit_group:
4474 gdb_exit(cpu_env, arg1);
4475 ret = get_errno(exit_group(arg1));
4476 break;
4477 #endif
4478 case TARGET_NR_setdomainname:
4479 if (!(p = lock_user_string(arg1)))
4480 goto efault;
4481 ret = get_errno(setdomainname(p, arg2));
4482 unlock_user(p, arg1, 0);
4483 break;
4484 case TARGET_NR_uname:
4485 /* no need to transcode because we use the linux syscall */
4486 {
4487 struct new_utsname * buf;
4488
4489 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
4490 goto efault;
4491 ret = get_errno(sys_uname(buf));
4492 if (!is_error(ret)) {
4493 /* Overrite the native machine name with whatever is being
4494 emulated. */
4495 strcpy (buf->machine, UNAME_MACHINE);
4496 /* Allow the user to override the reported release. */
4497 if (qemu_uname_release && *qemu_uname_release)
4498 strcpy (buf->release, qemu_uname_release);
4499 }
4500 unlock_user_struct(buf, arg1, 1);
4501 }
4502 break;
4503 #ifdef TARGET_I386
4504 case TARGET_NR_modify_ldt:
4505 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
4506 break;
4507 #if !defined(TARGET_X86_64)
4508 case TARGET_NR_vm86old:
4509 goto unimplemented;
4510 case TARGET_NR_vm86:
4511 ret = do_vm86(cpu_env, arg1, arg2);
4512 break;
4513 #endif
4514 #endif
4515 case TARGET_NR_adjtimex:
4516 goto unimplemented;
4517 #ifdef TARGET_NR_create_module
4518 case TARGET_NR_create_module:
4519 #endif
4520 case TARGET_NR_init_module:
4521 case TARGET_NR_delete_module:
4522 #ifdef TARGET_NR_get_kernel_syms
4523 case TARGET_NR_get_kernel_syms:
4524 #endif
4525 goto unimplemented;
4526 case TARGET_NR_quotactl:
4527 goto unimplemented;
4528 case TARGET_NR_getpgid:
4529 ret = get_errno(getpgid(arg1));
4530 break;
4531 case TARGET_NR_fchdir:
4532 ret = get_errno(fchdir(arg1));
4533 break;
4534 #ifdef TARGET_NR_bdflush /* not on x86_64 */
4535 case TARGET_NR_bdflush:
4536 goto unimplemented;
4537 #endif
4538 #ifdef TARGET_NR_sysfs
4539 case TARGET_NR_sysfs:
4540 goto unimplemented;
4541 #endif
4542 case TARGET_NR_personality:
4543 ret = get_errno(personality(arg1));
4544 break;
4545 #ifdef TARGET_NR_afs_syscall
4546 case TARGET_NR_afs_syscall:
4547 goto unimplemented;
4548 #endif
4549 #ifdef TARGET_NR__llseek /* Not on alpha */
4550 case TARGET_NR__llseek:
4551 {
4552 #if defined (__x86_64__)
4553 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
4554 if (put_user_s64(ret, arg4))
4555 goto efault;
4556 #else
4557 int64_t res;
4558 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4559 if (put_user_s64(res, arg4))
4560 goto efault;
4561 #endif
4562 }
4563 break;
4564 #endif
4565 case TARGET_NR_getdents:
4566 #if TARGET_ABI_BITS != 32
4567 goto unimplemented;
4568 #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4569 {
4570 struct target_dirent *target_dirp;
4571 struct dirent *dirp;
4572 abi_long count = arg3;
4573
4574 dirp = malloc(count);
4575 if (!dirp) {
4576 ret = -TARGET_ENOMEM;
4577 goto fail;
4578 }
4579
4580 ret = get_errno(sys_getdents(arg1, dirp, count));
4581 if (!is_error(ret)) {
4582 struct dirent *de;
4583 struct target_dirent *tde;
4584 int len = ret;
4585 int reclen, treclen;
4586 int count1, tnamelen;
4587
4588 count1 = 0;
4589 de = dirp;
4590 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
4591 goto efault;
4592 tde = target_dirp;
4593 while (len > 0) {
4594 reclen = de->d_reclen;
4595 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4596 tde->d_reclen = tswap16(treclen);
4597 tde->d_ino = tswapl(de->d_ino);
4598 tde->d_off = tswapl(de->d_off);
4599 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4600 if (tnamelen > 256)
4601 tnamelen = 256;
4602 /* XXX: may not be correct */
4603 strncpy(tde->d_name, de->d_name, tnamelen);
4604 de = (struct dirent *)((char *)de + reclen);
4605 len -= reclen;
4606 tde = (struct target_dirent *)((char *)tde + treclen);
4607 count1 += treclen;
4608 }
4609 ret = count1;
4610 unlock_user(target_dirp, arg2, ret);
4611 }
4612 free(dirp);
4613 }
4614 #else
4615 {
4616 struct dirent *dirp;
4617 abi_long count = arg3;
4618
4619 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
4620 goto efault;
4621 ret = get_errno(sys_getdents(arg1, dirp, count));
4622 if (!is_error(ret)) {
4623 struct dirent *de;
4624 int len = ret;
4625 int reclen;
4626 de = dirp;
4627 while (len > 0) {
4628 reclen = de->d_reclen;
4629 if (reclen > len)
4630 break;
4631 de->d_reclen = tswap16(reclen);
4632 tswapls(&de->d_ino);
4633 tswapls(&de->d_off);
4634 de = (struct dirent *)((char *)de + reclen);
4635 len -= reclen;
4636 }
4637 }
4638 unlock_user(dirp, arg2, ret);
4639 }
4640 #endif
4641 break;
4642 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
4643 case TARGET_NR_getdents64:
4644 {
4645 struct dirent64 *dirp;
4646 abi_long count = arg3;
4647 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
4648 goto efault;
4649 ret = get_errno(sys_getdents64(arg1, dirp, count));
4650 if (!is_error(ret)) {
4651 struct dirent64 *de;
4652 int len = ret;
4653 int reclen;
4654 de = dirp;
4655 while (len > 0) {
4656 reclen = de->d_reclen;
4657 if (reclen > len)
4658 break;
4659 de->d_reclen = tswap16(reclen);
4660 tswap64s((uint64_t *)&de->d_ino);
4661 tswap64s((uint64_t *)&de->d_off);
4662 de = (struct dirent64 *)((char *)de + reclen);
4663 len -= reclen;
4664 }
4665 }
4666 unlock_user(dirp, arg2, ret);
4667 }
4668 break;
4669 #endif /* TARGET_NR_getdents64 */
4670 #ifdef TARGET_NR__newselect
4671 case TARGET_NR__newselect:
4672 ret = do_select(arg1, arg2, arg3, arg4, arg5);
4673 break;
4674 #endif
4675 #ifdef TARGET_NR_poll
4676 case TARGET_NR_poll:
4677 {
4678 struct target_pollfd *target_pfd;
4679 unsigned int nfds = arg2;
4680 int timeout = arg3;
4681 struct pollfd *pfd;
4682 unsigned int i;
4683
4684 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
4685 if (!target_pfd)
4686 goto efault;
4687 pfd = alloca(sizeof(struct pollfd) * nfds);
4688 for(i = 0; i < nfds; i++) {
4689 pfd[i].fd = tswap32(target_pfd[i].fd);
4690 pfd[i].events = tswap16(target_pfd[i].events);
4691 }
4692 ret = get_errno(poll(pfd, nfds, timeout));
4693 if (!is_error(ret)) {
4694 for(i = 0; i < nfds; i++) {
4695 target_pfd[i].revents = tswap16(pfd[i].revents);
4696 }
4697 ret += nfds * (sizeof(struct target_pollfd)
4698 - sizeof(struct pollfd));
4699 }
4700 unlock_user(target_pfd, arg1, ret);
4701 }
4702 break;
4703 #endif
4704 case TARGET_NR_flock:
4705 /* NOTE: the flock constant seems to be the same for every
4706 Linux platform */
4707 ret = get_errno(flock(arg1, arg2));
4708 break;
4709 case TARGET_NR_readv:
4710 {
4711 int count = arg3;
4712 struct iovec *vec;
4713
4714 vec = alloca(count * sizeof(struct iovec));
4715 lock_iovec(VERIFY_WRITE, vec, arg2, count, 0);
4716 ret = get_errno(readv(arg1, vec, count));
4717 unlock_iovec(vec, arg2, count, 1);
4718 }
4719 break;
4720 case TARGET_NR_writev:
4721 {
4722 int count = arg3;
4723 struct iovec *vec;
4724
4725 vec = alloca(count * sizeof(struct iovec));
4726 lock_iovec(VERIFY_READ, vec, arg2, count, 1);
4727 ret = get_errno(writev(arg1, vec, count));
4728 unlock_iovec(vec, arg2, count, 0);
4729 }
4730 break;
4731 case TARGET_NR_getsid:
4732 ret = get_errno(getsid(arg1));
4733 break;
4734 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
4735 case TARGET_NR_fdatasync:
4736 ret = get_errno(fdatasync(arg1));
4737 break;
4738 #endif
4739 case TARGET_NR__sysctl:
4740 /* We don't implement this, but ENOTDIR is always a safe
4741 return value. */
4742 ret = -TARGET_ENOTDIR;
4743 break;
4744 case TARGET_NR_sched_setparam:
4745 {
4746 struct sched_param *target_schp;
4747 struct sched_param schp;
4748
4749 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
4750 goto efault;
4751 schp.sched_priority = tswap32(target_schp->sched_priority);
4752 unlock_user_struct(target_schp, arg2, 0);
4753 ret = get_errno(sched_setparam(arg1, &schp));
4754 }
4755 break;
4756 case TARGET_NR_sched_getparam:
4757 {
4758 struct sched_param *target_schp;
4759 struct sched_param schp;
4760 ret = get_errno(sched_getparam(arg1, &schp));
4761 if (!is_error(ret)) {
4762 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
4763 goto efault;
4764 target_schp->sched_priority = tswap32(schp.sched_priority);
4765 unlock_user_struct(target_schp, arg2, 1);
4766 }
4767 }
4768 break;
4769 case TARGET_NR_sched_setscheduler:
4770 {
4771 struct sched_param *target_schp;
4772 struct sched_param schp;
4773 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
4774 goto efault;
4775 schp.sched_priority = tswap32(target_schp->sched_priority);
4776 unlock_user_struct(target_schp, arg3, 0);
4777 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
4778 }
4779 break;
4780 case TARGET_NR_sched_getscheduler:
4781 ret = get_errno(sched_getscheduler(arg1));
4782 break;
4783 case TARGET_NR_sched_yield:
4784 ret = get_errno(sched_yield());
4785 break;
4786 case TARGET_NR_sched_get_priority_max:
4787 ret = get_errno(sched_get_priority_max(arg1));
4788 break;
4789 case TARGET_NR_sched_get_priority_min:
4790 ret = get_errno(sched_get_priority_min(arg1));
4791 break;
4792 case TARGET_NR_sched_rr_get_interval:
4793 {
4794 struct timespec ts;
4795 ret = get_errno(sched_rr_get_interval(arg1, &ts));
4796 if (!is_error(ret)) {
4797 host_to_target_timespec(arg2, &ts);
4798 }
4799 }
4800 break;
4801 case TARGET_NR_nanosleep:
4802 {
4803 struct timespec req, rem;
4804 target_to_host_timespec(&req, arg1);
4805 ret = get_errno(nanosleep(&req, &rem));
4806 if (is_error(ret) && arg2) {
4807 host_to_target_timespec(arg2, &rem);
4808 }
4809 }
4810 break;
4811 #ifdef TARGET_NR_query_module
4812 case TARGET_NR_query_module:
4813 goto unimplemented;
4814 #endif
4815 #ifdef TARGET_NR_nfsservctl
4816 case TARGET_NR_nfsservctl:
4817 goto unimplemented;
4818 #endif
4819 case TARGET_NR_prctl:
4820 switch (arg1)
4821 {
4822 case PR_GET_PDEATHSIG:
4823 {
4824 int deathsig;
4825 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
4826 if (!is_error(ret) && arg2
4827 && put_user_ual(deathsig, arg2))
4828 goto efault;
4829 }
4830 break;
4831 default:
4832 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
4833 break;
4834 }
4835 break;
4836 #ifdef TARGET_NR_arch_prctl
4837 case TARGET_NR_arch_prctl:
4838 #if defined(TARGET_I386) && !defined(TARGET_ABI32)
4839 ret = do_arch_prctl(cpu_env, arg1, arg2);
4840 break;
4841 #else
4842 goto unimplemented;
4843 #endif
4844 #endif
4845 #ifdef TARGET_NR_pread
4846 case TARGET_NR_pread:
4847 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4848 goto efault;
4849 ret = get_errno(pread(arg1, p, arg3, arg4));
4850 unlock_user(p, arg2, ret);
4851 break;
4852 case TARGET_NR_pwrite:
4853 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4854 goto efault;
4855 ret = get_errno(pwrite(arg1, p, arg3, arg4));
4856 unlock_user(p, arg2, 0);
4857 break;
4858 #endif
4859 case TARGET_NR_getcwd:
4860 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
4861 goto efault;
4862 ret = get_errno(sys_getcwd1(p, arg2));
4863 unlock_user(p, arg1, ret);
4864 break;
4865 case TARGET_NR_capget:
4866 goto unimplemented;
4867 case TARGET_NR_capset:
4868 goto unimplemented;
4869 case TARGET_NR_sigaltstack:
4870 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
4871 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
4872 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
4873 break;
4874 #else
4875 goto unimplemented;
4876 #endif
4877 case TARGET_NR_sendfile:
4878 goto unimplemented;
4879 #ifdef TARGET_NR_getpmsg
4880 case TARGET_NR_getpmsg:
4881 goto unimplemented;
4882 #endif
4883 #ifdef TARGET_NR_putpmsg
4884 case TARGET_NR_putpmsg:
4885 goto unimplemented;
4886 #endif
4887 #ifdef TARGET_NR_vfork
4888 case TARGET_NR_vfork:
4889 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
4890 break;
4891 #endif
4892 #ifdef TARGET_NR_ugetrlimit
4893 case TARGET_NR_ugetrlimit:
4894 {
4895 struct rlimit rlim;
4896 ret = get_errno(getrlimit(arg1, &rlim));
4897 if (!is_error(ret)) {
4898 struct target_rlimit *target_rlim;
4899 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
4900 goto efault;
4901 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4902 target_rlim->rlim_max = tswapl(rlim.rlim_max);
4903 unlock_user_struct(target_rlim, arg2, 1);
4904 }
4905 break;
4906 }
4907 #endif
4908 #ifdef TARGET_NR_truncate64
4909 case TARGET_NR_truncate64:
4910 if (!(p = lock_user_string(arg1)))
4911 goto efault;
4912 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4913 unlock_user(p, arg1, 0);
4914 break;
4915 #endif
4916 #ifdef TARGET_NR_ftruncate64
4917 case TARGET_NR_ftruncate64:
4918 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
4919 break;
4920 #endif
4921 #ifdef TARGET_NR_stat64
4922 case TARGET_NR_stat64:
4923 if (!(p = lock_user_string(arg1)))
4924 goto efault;
4925 ret = get_errno(stat(path(p), &st));
4926 unlock_user(p, arg1, 0);
4927 goto do_stat64;
4928 #endif
4929 #ifdef TARGET_NR_lstat64
4930 case TARGET_NR_lstat64:
4931 if (!(p = lock_user_string(arg1)))
4932 goto efault;
4933 ret = get_errno(lstat(path(p), &st));
4934 unlock_user(p, arg1, 0);
4935 goto do_stat64;
4936 #endif
4937 #ifdef TARGET_NR_fstat64
4938 case TARGET_NR_fstat64:
4939 {
4940 ret = get_errno(fstat(arg1, &st));
4941 do_stat64:
4942 if (!is_error(ret)) {
4943 #ifdef TARGET_ARM
4944 if (((CPUARMState *)cpu_env)->eabi) {
4945 struct target_eabi_stat64 *target_st;
4946
4947 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
4948 goto efault;
4949 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4950 __put_user(st.st_dev, &target_st->st_dev);
4951 __put_user(st.st_ino, &target_st->st_ino);
4952 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4953 __put_user(st.st_ino, &target_st->__st_ino);
4954 #endif
4955 __put_user(st.st_mode, &target_st->st_mode);
4956 __put_user(st.st_nlink, &target_st->st_nlink);
4957 __put_user(st.st_uid, &target_st->st_uid);
4958 __put_user(st.st_gid, &target_st->st_gid);
4959 __put_user(st.st_rdev, &target_st->st_rdev);
4960 __put_user(st.st_size, &target_st->st_size);
4961 __put_user(st.st_blksize, &target_st->st_blksize);
4962 __put_user(st.st_blocks, &target_st->st_blocks);
4963 __put_user(st.st_atime, &target_st->target_st_atime);
4964 __put_user(st.st_mtime, &target_st->target_st_mtime);
4965 __put_user(st.st_ctime, &target_st->target_st_ctime);
4966 unlock_user_struct(target_st, arg2, 1);
4967 } else
4968 #endif
4969 {
4970 struct target_stat64 *target_st;
4971
4972 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
4973 goto efault;
4974 memset(target_st, 0, sizeof(struct target_stat64));
4975 __put_user(st.st_dev, &target_st->st_dev);
4976 __put_user(st.st_ino, &target_st->st_ino);
4977 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4978 __put_user(st.st_ino, &target_st->__st_ino);
4979 #endif
4980 __put_user(st.st_mode, &target_st->st_mode);
4981 __put_user(st.st_nlink, &target_st->st_nlink);
4982 __put_user(st.st_uid, &target_st->st_uid);
4983 __put_user(st.st_gid, &target_st->st_gid);
4984 __put_user(st.st_rdev, &target_st->st_rdev);
4985 /* XXX: better use of kernel struct */
4986 __put_user(st.st_size, &target_st->st_size);
4987 __put_user(st.st_blksize, &target_st->st_blksize);
4988 __put_user(st.st_blocks, &target_st->st_blocks);
4989 __put_user(st.st_atime, &target_st->target_st_atime);
4990 __put_user(st.st_mtime, &target_st->target_st_mtime);
4991 __put_user(st.st_ctime, &target_st->target_st_ctime);
4992 unlock_user_struct(target_st, arg2, 1);
4993 }
4994 }
4995 }
4996 break;
4997 #endif
4998 #ifdef USE_UID16
4999 case TARGET_NR_lchown:
5000 if (!(p = lock_user_string(arg1)))
5001 goto efault;
5002 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
5003 unlock_user(p, arg1, 0);
5004 break;
5005 case TARGET_NR_getuid:
5006 ret = get_errno(high2lowuid(getuid()));
5007 break;
5008 case TARGET_NR_getgid:
5009 ret = get_errno(high2lowgid(getgid()));
5010 break;
5011 case TARGET_NR_geteuid:
5012 ret = get_errno(high2lowuid(geteuid()));
5013 break;
5014 case TARGET_NR_getegid:
5015 ret = get_errno(high2lowgid(getegid()));
5016 break;
5017 case TARGET_NR_setreuid:
5018 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
5019 break;
5020 case TARGET_NR_setregid:
5021 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
5022 break;
5023 case TARGET_NR_getgroups:
5024 {
5025 int gidsetsize = arg1;
5026 uint16_t *target_grouplist;
5027 gid_t *grouplist;
5028 int i;
5029
5030 grouplist = alloca(gidsetsize * sizeof(gid_t));
5031 ret = get_errno(getgroups(gidsetsize, grouplist));
5032 if (!is_error(ret)) {
5033 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
5034 if (!target_grouplist)
5035 goto efault;
5036 for(i = 0;i < gidsetsize; i++)
5037 target_grouplist[i] = tswap16(grouplist[i]);
5038 unlock_user(target_grouplist, arg2, gidsetsize * 2);
5039 }
5040 }
5041 break;
5042 case TARGET_NR_setgroups:
5043 {
5044 int gidsetsize = arg1;
5045 uint16_t *target_grouplist;
5046 gid_t *grouplist;
5047 int i;
5048
5049 grouplist = alloca(gidsetsize * sizeof(gid_t));
5050 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
5051 if (!target_grouplist) {
5052 ret = -TARGET_EFAULT;
5053 goto fail;
5054 }
5055 for(i = 0;i < gidsetsize; i++)
5056 grouplist[i] = tswap16(target_grouplist[i]);
5057 unlock_user(target_grouplist, arg2, 0);
5058 ret = get_errno(setgroups(gidsetsize, grouplist));
5059 }
5060 break;
5061 case TARGET_NR_fchown:
5062 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
5063 break;
5064 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
5065 case TARGET_NR_fchownat:
5066 if (!(p = lock_user_string(arg2)))
5067 goto efault;
5068 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
5069 unlock_user(p, arg2, 0);
5070 break;
5071 #endif
5072 #ifdef TARGET_NR_setresuid
5073 case TARGET_NR_setresuid:
5074 ret = get_errno(setresuid(low2highuid(arg1),
5075 low2highuid(arg2),
5076 low2highuid(arg3)));
5077 break;
5078 #endif
5079 #ifdef TARGET_NR_getresuid
5080 case TARGET_NR_getresuid:
5081 {
5082 uid_t ruid, euid, suid;
5083 ret = get_errno(getresuid(&ruid, &euid, &suid));
5084 if (!is_error(ret)) {
5085 if (put_user_u16(high2lowuid(ruid), arg1)
5086 || put_user_u16(high2lowuid(euid), arg2)
5087 || put_user_u16(high2lowuid(suid), arg3))
5088 goto efault;
5089 }
5090 }
5091 break;
5092 #endif
5093 #ifdef TARGET_NR_getresgid
5094 case TARGET_NR_setresgid:
5095 ret = get_errno(setresgid(low2highgid(arg1),
5096 low2highgid(arg2),
5097 low2highgid(arg3)));
5098 break;
5099 #endif
5100 #ifdef TARGET_NR_getresgid
5101 case TARGET_NR_getresgid:
5102 {
5103 gid_t rgid, egid, sgid;
5104 ret = get_errno(getresgid(&rgid, &egid, &sgid));
5105 if (!is_error(ret)) {
5106 if (put_user_u16(high2lowgid(rgid), arg1)
5107 || put_user_u16(high2lowgid(egid), arg2)
5108 || put_user_u16(high2lowgid(sgid), arg3))
5109 goto efault;
5110 }
5111 }
5112 break;
5113 #endif
5114 case TARGET_NR_chown:
5115 if (!(p = lock_user_string(arg1)))
5116 goto efault;
5117 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
5118 unlock_user(p, arg1, 0);
5119 break;
5120 case TARGET_NR_setuid:
5121 ret = get_errno(setuid(low2highuid(arg1)));
5122 break;
5123 case TARGET_NR_setgid:
5124 ret = get_errno(setgid(low2highgid(arg1)));
5125 break;
5126 case TARGET_NR_setfsuid:
5127 ret = get_errno(setfsuid(arg1));
5128 break;
5129 case TARGET_NR_setfsgid:
5130 ret = get_errno(setfsgid(arg1));
5131 break;
5132 #endif /* USE_UID16 */
5133
5134 #ifdef TARGET_NR_lchown32
5135 case TARGET_NR_lchown32:
5136 if (!(p = lock_user_string(arg1)))
5137 goto efault;
5138 ret = get_errno(lchown(p, arg2, arg3));
5139 unlock_user(p, arg1, 0);
5140 break;
5141 #endif
5142 #ifdef TARGET_NR_getuid32
5143 case TARGET_NR_getuid32:
5144 ret = get_errno(getuid());
5145 break;
5146 #endif
5147 #ifdef TARGET_NR_getgid32
5148 case TARGET_NR_getgid32:
5149 ret = get_errno(getgid());
5150 break;
5151 #endif
5152 #ifdef TARGET_NR_geteuid32
5153 case TARGET_NR_geteuid32:
5154 ret = get_errno(geteuid());
5155 break;
5156 #endif
5157 #ifdef TARGET_NR_getegid32
5158 case TARGET_NR_getegid32:
5159 ret = get_errno(getegid());
5160 break;
5161 #endif
5162 #ifdef TARGET_NR_setreuid32
5163 case TARGET_NR_setreuid32:
5164 ret = get_errno(setreuid(arg1, arg2));
5165 break;
5166 #endif
5167 #ifdef TARGET_NR_setregid32
5168 case TARGET_NR_setregid32:
5169 ret = get_errno(setregid(arg1, arg2));
5170 break;
5171 #endif
5172 #ifdef TARGET_NR_getgroups32
5173 case TARGET_NR_getgroups32:
5174 {
5175 int gidsetsize = arg1;
5176 uint32_t *target_grouplist;
5177 gid_t *grouplist;
5178 int i;
5179
5180 grouplist = alloca(gidsetsize * sizeof(gid_t));
5181 ret = get_errno(getgroups(gidsetsize, grouplist));
5182 if (!is_error(ret)) {
5183 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
5184 if (!target_grouplist) {
5185 ret = -TARGET_EFAULT;
5186 goto fail;
5187 }
5188 for(i = 0;i < gidsetsize; i++)
5189 target_grouplist[i] = tswap32(grouplist[i]);
5190 unlock_user(target_grouplist, arg2, gidsetsize * 4);
5191 }
5192 }
5193 break;
5194 #endif
5195 #ifdef TARGET_NR_setgroups32
5196 case TARGET_NR_setgroups32:
5197 {
5198 int gidsetsize = arg1;
5199 uint32_t *target_grouplist;
5200 gid_t *grouplist;
5201 int i;
5202
5203 grouplist = alloca(gidsetsize * sizeof(gid_t));
5204 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
5205 if (!target_grouplist) {
5206 ret = -TARGET_EFAULT;
5207 goto fail;
5208 }
5209 for(i = 0;i < gidsetsize; i++)
5210 grouplist[i] = tswap32(target_grouplist[i]);
5211 unlock_user(target_grouplist, arg2, 0);
5212 ret = get_errno(setgroups(gidsetsize, grouplist));
5213 }
5214 break;
5215 #endif
5216 #ifdef TARGET_NR_fchown32
5217 case TARGET_NR_fchown32:
5218 ret = get_errno(fchown(arg1, arg2, arg3));
5219 break;
5220 #endif
5221 #ifdef TARGET_NR_setresuid32
5222 case TARGET_NR_setresuid32:
5223 ret = get_errno(setresuid(arg1, arg2, arg3));
5224 break;
5225 #endif
5226 #ifdef TARGET_NR_getresuid32
5227 case TARGET_NR_getresuid32:
5228 {
5229 uid_t ruid, euid, suid;
5230 ret = get_errno(getresuid(&ruid, &euid, &suid));
5231 if (!is_error(ret)) {
5232 if (put_user_u32(ruid, arg1)
5233 || put_user_u32(euid, arg2)
5234 || put_user_u32(suid, arg3))
5235 goto efault;
5236 }
5237 }
5238 break;
5239 #endif
5240 #ifdef TARGET_NR_setresgid32
5241 case TARGET_NR_setresgid32:
5242 ret = get_errno(setresgid(arg1, arg2, arg3));
5243 break;
5244 #endif
5245 #ifdef TARGET_NR_getresgid32
5246 case TARGET_NR_getresgid32:
5247 {
5248 gid_t rgid, egid, sgid;
5249 ret = get_errno(getresgid(&rgid, &egid, &sgid));
5250 if (!is_error(ret)) {
5251 if (put_user_u32(rgid, arg1)
5252 || put_user_u32(egid, arg2)
5253 || put_user_u32(sgid, arg3))
5254 goto efault;
5255 }
5256 }
5257 break;
5258 #endif
5259 #ifdef TARGET_NR_chown32
5260 case TARGET_NR_chown32:
5261 if (!(p = lock_user_string(arg1)))
5262 goto efault;
5263 ret = get_errno(chown(p, arg2, arg3));
5264 unlock_user(p, arg1, 0);
5265 break;
5266 #endif
5267 #ifdef TARGET_NR_setuid32
5268 case TARGET_NR_setuid32:
5269 ret = get_errno(setuid(arg1));
5270 break;
5271 #endif
5272 #ifdef TARGET_NR_setgid32
5273 case TARGET_NR_setgid32:
5274 ret = get_errno(setgid(arg1));
5275 break;
5276 #endif
5277 #ifdef TARGET_NR_setfsuid32
5278 case TARGET_NR_setfsuid32:
5279 ret = get_errno(setfsuid(arg1));
5280 break;
5281 #endif
5282 #ifdef TARGET_NR_setfsgid32
5283 case TARGET_NR_setfsgid32:
5284 ret = get_errno(setfsgid(arg1));
5285 break;
5286 #endif
5287
5288 case TARGET_NR_pivot_root:
5289 goto unimplemented;
5290 #ifdef TARGET_NR_mincore
5291 case TARGET_NR_mincore:
5292 goto unimplemented;
5293 #endif
5294 #ifdef TARGET_NR_madvise
5295 case TARGET_NR_madvise:
5296 /* A straight passthrough may not be safe because qemu sometimes
5297 turns private flie-backed mappings into anonymous mappings.
5298 This will break MADV_DONTNEED.
5299 This is a hint, so ignoring and returning success is ok. */
5300 ret = get_errno(0);
5301 break;
5302 #endif
5303 #if TARGET_ABI_BITS == 32
5304 case TARGET_NR_fcntl64:
5305 {
5306 int cmd;
5307 struct flock64 fl;
5308 struct target_flock64 *target_fl;
5309 #ifdef TARGET_ARM
5310 struct target_eabi_flock64 *target_efl;
5311 #endif
5312
5313 switch(arg2){
5314 case TARGET_F_GETLK64:
5315 cmd = F_GETLK64;
5316 break;
5317 case TARGET_F_SETLK64:
5318 cmd = F_SETLK64;
5319 break;
5320 case TARGET_F_SETLKW64:
5321 cmd = F_SETLK64;
5322 break;
5323 default:
5324 cmd = arg2;
5325 break;
5326 }
5327
5328 switch(arg2) {
5329 case TARGET_F_GETLK64:
5330 #ifdef TARGET_ARM
5331 if (((CPUARMState *)cpu_env)->eabi) {
5332 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
5333 goto efault;
5334 fl.l_type = tswap16(target_efl->l_type);
5335 fl.l_whence = tswap16(target_efl->l_whence);
5336 fl.l_start = tswap64(target_efl->l_start);
5337 fl.l_len = tswap64(target_efl->l_len);
5338 fl.l_pid = tswapl(target_efl->l_pid);
5339 unlock_user_struct(target_efl, arg3, 0);
5340 } else
5341 #endif
5342 {
5343 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
5344 goto efault;
5345 fl.l_type = tswap16(target_fl->l_type);
5346 fl.l_whence = tswap16(target_fl->l_whence);
5347 fl.l_start = tswap64(target_fl->l_start);
5348 fl.l_len = tswap64(target_fl->l_len);
5349 fl.l_pid = tswapl(target_fl->l_pid);
5350 unlock_user_struct(target_fl, arg3, 0);
5351 }
5352 ret = get_errno(fcntl(arg1, cmd, &fl));
5353 if (ret == 0) {
5354 #ifdef TARGET_ARM
5355 if (((CPUARMState *)cpu_env)->eabi) {
5356 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
5357 goto efault;
5358 target_efl->l_type = tswap16(fl.l_type);
5359 target_efl->l_whence = tswap16(fl.l_whence);
5360 target_efl->l_start = tswap64(fl.l_start);
5361 target_efl->l_len = tswap64(fl.l_len);
5362 target_efl->l_pid = tswapl(fl.l_pid);
5363 unlock_user_struct(target_efl, arg3, 1);
5364 } else
5365 #endif
5366 {
5367 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
5368 goto efault;
5369 target_fl->l_type = tswap16(fl.l_type);
5370 target_fl->l_whence = tswap16(fl.l_whence);
5371 target_fl->l_start = tswap64(fl.l_start);
5372 target_fl->l_len = tswap64(fl.l_len);
5373 target_fl->l_pid = tswapl(fl.l_pid);
5374 unlock_user_struct(target_fl, arg3, 1);
5375 }
5376 }
5377 break;
5378
5379 case TARGET_F_SETLK64:
5380 case TARGET_F_SETLKW64:
5381 #ifdef TARGET_ARM
5382 if (((CPUARMState *)cpu_env)->eabi) {
5383 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
5384 goto efault;
5385 fl.l_type = tswap16(target_efl->l_type);
5386 fl.l_whence = tswap16(target_efl->l_whence);
5387 fl.l_start = tswap64(target_efl->l_start);
5388 fl.l_len = tswap64(target_efl->l_len);
5389 fl.l_pid = tswapl(target_efl->l_pid);
5390 unlock_user_struct(target_efl, arg3, 0);
5391 } else
5392 #endif
5393 {
5394 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
5395 goto efault;
5396 fl.l_type = tswap16(target_fl->l_type);
5397 fl.l_whence = tswap16(target_fl->l_whence);
5398 fl.l_start = tswap64(target_fl->l_start);
5399 fl.l_len = tswap64(target_fl->l_len);
5400 fl.l_pid = tswapl(target_fl->l_pid);
5401 unlock_user_struct(target_fl, arg3, 0);
5402 }
5403 ret = get_errno(fcntl(arg1, cmd, &fl));
5404 break;
5405 default:
5406 ret = do_fcntl(arg1, cmd, arg3);
5407 break;
5408 }
5409 break;
5410 }
5411 #endif
5412 #ifdef TARGET_NR_cacheflush
5413 case TARGET_NR_cacheflush:
5414 /* self-modifying code is handled automatically, so nothing needed */
5415 ret = 0;
5416 break;
5417 #endif
5418 #ifdef TARGET_NR_security
5419 case TARGET_NR_security:
5420 goto unimplemented;
5421 #endif
5422 #ifdef TARGET_NR_getpagesize
5423 case TARGET_NR_getpagesize:
5424 ret = TARGET_PAGE_SIZE;
5425 break;
5426 #endif
5427 case TARGET_NR_gettid:
5428 ret = get_errno(gettid());
5429 break;
5430 #ifdef TARGET_NR_readahead
5431 case TARGET_NR_readahead:
5432 goto unimplemented;
5433 #endif
5434 #ifdef TARGET_NR_setxattr
5435 case TARGET_NR_setxattr:
5436 case TARGET_NR_lsetxattr:
5437 case TARGET_NR_fsetxattr:
5438 case TARGET_NR_getxattr:
5439 case TARGET_NR_lgetxattr:
5440 case TARGET_NR_fgetxattr:
5441 case TARGET_NR_listxattr:
5442 case TARGET_NR_llistxattr:
5443 case TARGET_NR_flistxattr:
5444 case TARGET_NR_removexattr:
5445 case TARGET_NR_lremovexattr:
5446 case TARGET_NR_fremovexattr:
5447 goto unimplemented_nowarn;
5448 #endif
5449 #ifdef TARGET_NR_set_thread_area
5450 case TARGET_NR_set_thread_area:
5451 #if defined(TARGET_MIPS)
5452 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
5453 ret = 0;
5454 break;
5455 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
5456 ret = do_set_thread_area(cpu_env, arg1);
5457 break;
5458 #else
5459 goto unimplemented_nowarn;
5460 #endif
5461 #endif
5462 #ifdef TARGET_NR_get_thread_area
5463 case TARGET_NR_get_thread_area:
5464 #if defined(TARGET_I386) && defined(TARGET_ABI32)
5465 ret = do_get_thread_area(cpu_env, arg1);
5466 #else
5467 goto unimplemented_nowarn;
5468 #endif
5469 #endif
5470 #ifdef TARGET_NR_getdomainname
5471 case TARGET_NR_getdomainname:
5472 goto unimplemented_nowarn;
5473 #endif
5474
5475 #ifdef TARGET_NR_clock_gettime
5476 case TARGET_NR_clock_gettime:
5477 {
5478 struct timespec ts;
5479 ret = get_errno(clock_gettime(arg1, &ts));
5480 if (!is_error(ret)) {
5481 host_to_target_timespec(arg2, &ts);
5482 }
5483 break;
5484 }
5485 #endif
5486 #ifdef TARGET_NR_clock_getres
5487 case TARGET_NR_clock_getres:
5488 {
5489 struct timespec ts;
5490 ret = get_errno(clock_getres(arg1, &ts));
5491 if (!is_error(ret)) {
5492 host_to_target_timespec(arg2, &ts);
5493 }
5494 break;
5495 }
5496 #endif
5497
5498 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
5499 case TARGET_NR_set_tid_address:
5500 ret = get_errno(set_tid_address((int *)g2h(arg1)));
5501 break;
5502 #endif
5503
5504 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
5505 case TARGET_NR_tkill:
5506 ret = get_errno(sys_tkill((int)arg1, (int)arg2));
5507 break;
5508 #endif
5509
5510 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
5511 case TARGET_NR_tgkill:
5512 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
5513 break;
5514 #endif
5515
5516 #ifdef TARGET_NR_set_robust_list
5517 case TARGET_NR_set_robust_list:
5518 goto unimplemented_nowarn;
5519 #endif
5520
5521 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
5522 case TARGET_NR_utimensat:
5523 {
5524 struct timespec ts[2];
5525 target_to_host_timespec(ts, arg3);
5526 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
5527 if (!arg2)
5528 ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
5529 else {
5530 if (!(p = lock_user_string(arg2))) {
5531 ret = -TARGET_EFAULT;
5532 goto fail;
5533 }
5534 ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4));
5535 unlock_user(p, arg2, 0);
5536 }
5537 }
5538 break;
5539 #endif
5540
5541 default:
5542 unimplemented:
5543 gemu_log("qemu: Unsupported syscall: %d\n", num);
5544 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5545 unimplemented_nowarn:
5546 #endif
5547 ret = -TARGET_ENOSYS;
5548 break;
5549 }
5550 fail:
5551 #ifdef DEBUG
5552 gemu_log(" = %ld\n", ret);
5553 #endif
5554 if(do_strace)
5555 print_syscall_ret(num, ret);
5556 return ret;
5557 efault:
5558 ret = -TARGET_EFAULT;
5559 goto fail;
5560 }
Stable branch of Qemu 0.9.1