?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Change -drive parsing so that paths don't have to be double-escaped (Laurent Vivier...
[qemu/qemu_0_9_1_stable.git] / linux-user / syscall.c
blobd099e97daf98c4aac997357f69ab31fc778142e4
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 abi_long copy_from_user_fdset(fd_set *fds,
447 abi_ulong target_fds_addr,
448 int n)
449 {
450 int i, nw, j, k;
451 abi_ulong b, *target_fds;
452
453 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
454 if (!(target_fds = lock_user(VERIFY_READ,
455 target_fds_addr,
456 sizeof(abi_ulong) * nw,
457 1)))
458 return -TARGET_EFAULT;
459
460 FD_ZERO(fds);
461 k = 0;
462 for (i = 0; i < nw; i++) {
463 /* grab the abi_ulong */
464 __get_user(b, &target_fds[i]);
465 for (j = 0; j < TARGET_ABI_BITS; j++) {
466 /* check the bit inside the abi_ulong */
467 if ((b >> j) & 1)
468 FD_SET(k, fds);
469 k++;
470 }
471 }
472
473 unlock_user(target_fds, target_fds_addr, 0);
474
475 return 0;
476 }
477
478 static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
479 const fd_set *fds,
480 int n)
481 {
482 int i, nw, j, k;
483 abi_long v;
484 abi_ulong *target_fds;
485
486 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
487 if (!(target_fds = lock_user(VERIFY_WRITE,
488 target_fds_addr,
489 sizeof(abi_ulong) * nw,
490 0)))
491 return -TARGET_EFAULT;
492
493 k = 0;
494 for (i = 0; i < nw; i++) {
495 v = 0;
496 for (j = 0; j < TARGET_ABI_BITS; j++) {
497 v |= ((FD_ISSET(k, fds) != 0) << j);
498 k++;
499 }
500 __put_user(v, &target_fds[i]);
501 }
502
503 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
504
505 return 0;
506 }
507
508 #if defined(__alpha__)
509 #define HOST_HZ 1024
510 #else
511 #define HOST_HZ 100
512 #endif
513
514 static inline abi_long host_to_target_clock_t(long ticks)
515 {
516 #if HOST_HZ == TARGET_HZ
517 return ticks;
518 #else
519 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
520 #endif
521 }
522
523 static inline abi_long host_to_target_rusage(abi_ulong target_addr,
524 const struct rusage *rusage)
525 {
526 struct target_rusage *target_rusage;
527
528 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
529 return -TARGET_EFAULT;
530 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
531 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
532 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
533 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
534 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
535 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
536 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
537 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
538 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
539 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
540 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
541 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
542 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
543 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
544 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
545 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
546 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
547 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
548 unlock_user_struct(target_rusage, target_addr, 1);
549
550 return 0;
551 }
552
553 static inline abi_long copy_from_user_timeval(struct timeval *tv,
554 abi_ulong target_tv_addr)
555 {
556 struct target_timeval *target_tv;
557
558 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
559 return -TARGET_EFAULT;
560
561 __get_user(tv->tv_sec, &target_tv->tv_sec);
562 __get_user(tv->tv_usec, &target_tv->tv_usec);
563
564 unlock_user_struct(target_tv, target_tv_addr, 0);
565
566 return 0;
567 }
568
569 static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
570 const struct timeval *tv)
571 {
572 struct target_timeval *target_tv;
573
574 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
575 return -TARGET_EFAULT;
576
577 __put_user(tv->tv_sec, &target_tv->tv_sec);
578 __put_user(tv->tv_usec, &target_tv->tv_usec);
579
580 unlock_user_struct(target_tv, target_tv_addr, 1);
581
582 return 0;
583 }
584
585
586 /* do_select() must return target values and target errnos. */
587 static abi_long do_select(int n,
588 abi_ulong rfd_addr, abi_ulong wfd_addr,
589 abi_ulong efd_addr, abi_ulong target_tv_addr)
590 {
591 fd_set rfds, wfds, efds;
592 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
593 struct timeval tv, *tv_ptr;
594 abi_long ret;
595
596 if (rfd_addr) {
597 if (copy_from_user_fdset(&rfds, rfd_addr, n))
598 return -TARGET_EFAULT;
599 rfds_ptr = &rfds;
600 } else {
601 rfds_ptr = NULL;
602 }
603 if (wfd_addr) {
604 if (copy_from_user_fdset(&wfds, wfd_addr, n))
605 return -TARGET_EFAULT;
606 wfds_ptr = &wfds;
607 } else {
608 wfds_ptr = NULL;
609 }
610 if (efd_addr) {
611 if (copy_from_user_fdset(&efds, efd_addr, n))
612 return -TARGET_EFAULT;
613 efds_ptr = &efds;
614 } else {
615 efds_ptr = NULL;
616 }
617
618 if (target_tv_addr) {
619 if (copy_from_user_timeval(&tv, target_tv_addr))
620 return -TARGET_EFAULT;
621 tv_ptr = &tv;
622 } else {
623 tv_ptr = NULL;
624 }
625
626 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
627
628 if (!is_error(ret)) {
629 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
630 return -TARGET_EFAULT;
631 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
632 return -TARGET_EFAULT;
633 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
634 return -TARGET_EFAULT;
635
636 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
637 return -TARGET_EFAULT;
638 }
639
640 return ret;
641 }
642
643 static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
644 abi_ulong target_addr,
645 socklen_t len)
646 {
647 struct target_sockaddr *target_saddr;
648
649 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
650 if (!target_saddr)
651 return -TARGET_EFAULT;
652 memcpy(addr, target_saddr, len);
653 addr->sa_family = tswap16(target_saddr->sa_family);
654 unlock_user(target_saddr, target_addr, 0);
655
656 return 0;
657 }
658
659 static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
660 struct sockaddr *addr,
661 socklen_t len)
662 {
663 struct target_sockaddr *target_saddr;
664
665 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
666 if (!target_saddr)
667 return -TARGET_EFAULT;
668 memcpy(target_saddr, addr, len);
669 target_saddr->sa_family = tswap16(addr->sa_family);
670 unlock_user(target_saddr, target_addr, len);
671
672 return 0;
673 }
674
675 /* ??? Should this also swap msgh->name? */
676 static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
677 struct target_msghdr *target_msgh)
678 {
679 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
680 abi_long msg_controllen;
681 abi_ulong target_cmsg_addr;
682 struct target_cmsghdr *target_cmsg;
683 socklen_t space = 0;
684
685 msg_controllen = tswapl(target_msgh->msg_controllen);
686 if (msg_controllen < sizeof (struct target_cmsghdr))
687 goto the_end;
688 target_cmsg_addr = tswapl(target_msgh->msg_control);
689 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
690 if (!target_cmsg)
691 return -TARGET_EFAULT;
692
693 while (cmsg && target_cmsg) {
694 void *data = CMSG_DATA(cmsg);
695 void *target_data = TARGET_CMSG_DATA(target_cmsg);
696
697 int len = tswapl(target_cmsg->cmsg_len)
698 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
699
700 space += CMSG_SPACE(len);
701 if (space > msgh->msg_controllen) {
702 space -= CMSG_SPACE(len);
703 gemu_log("Host cmsg overflow\n");
704 break;
705 }
706
707 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
708 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
709 cmsg->cmsg_len = CMSG_LEN(len);
710
711 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
712 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
713 memcpy(data, target_data, len);
714 } else {
715 int *fd = (int *)data;
716 int *target_fd = (int *)target_data;
717 int i, numfds = len / sizeof(int);
718
719 for (i = 0; i < numfds; i++)
720 fd[i] = tswap32(target_fd[i]);
721 }
722
723 cmsg = CMSG_NXTHDR(msgh, cmsg);
724 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
725 }
726 unlock_user(target_cmsg, target_cmsg_addr, 0);
727 the_end:
728 msgh->msg_controllen = space;
729 return 0;
730 }
731
732 /* ??? Should this also swap msgh->name? */
733 static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
734 struct msghdr *msgh)
735 {
736 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
737 abi_long msg_controllen;
738 abi_ulong target_cmsg_addr;
739 struct target_cmsghdr *target_cmsg;
740 socklen_t space = 0;
741
742 msg_controllen = tswapl(target_msgh->msg_controllen);
743 if (msg_controllen < sizeof (struct target_cmsghdr))
744 goto the_end;
745 target_cmsg_addr = tswapl(target_msgh->msg_control);
746 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
747 if (!target_cmsg)
748 return -TARGET_EFAULT;
749
750 while (cmsg && target_cmsg) {
751 void *data = CMSG_DATA(cmsg);
752 void *target_data = TARGET_CMSG_DATA(target_cmsg);
753
754 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
755
756 space += TARGET_CMSG_SPACE(len);
757 if (space > msg_controllen) {
758 space -= TARGET_CMSG_SPACE(len);
759 gemu_log("Target cmsg overflow\n");
760 break;
761 }
762
763 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
764 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
765 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
766
767 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
768 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
769 memcpy(target_data, data, len);
770 } else {
771 int *fd = (int *)data;
772 int *target_fd = (int *)target_data;
773 int i, numfds = len / sizeof(int);
774
775 for (i = 0; i < numfds; i++)
776 target_fd[i] = tswap32(fd[i]);
777 }
778
779 cmsg = CMSG_NXTHDR(msgh, cmsg);
780 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
781 }
782 unlock_user(target_cmsg, target_cmsg_addr, space);
783 the_end:
784 target_msgh->msg_controllen = tswapl(space);
785 return 0;
786 }
787
788 /* do_setsockopt() Must return target values and target errnos. */
789 static abi_long do_setsockopt(int sockfd, int level, int optname,
790 abi_ulong optval_addr, socklen_t optlen)
791 {
792 abi_long ret;
793 int val;
794
795 switch(level) {
796 case SOL_TCP:
797 /* TCP options all take an 'int' value. */
798 if (optlen < sizeof(uint32_t))
799 return -TARGET_EINVAL;
800
801 if (get_user_u32(val, optval_addr))
802 return -TARGET_EFAULT;
803 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
804 break;
805 case SOL_IP:
806 switch(optname) {
807 case IP_TOS:
808 case IP_TTL:
809 case IP_HDRINCL:
810 case IP_ROUTER_ALERT:
811 case IP_RECVOPTS:
812 case IP_RETOPTS:
813 case IP_PKTINFO:
814 case IP_MTU_DISCOVER:
815 case IP_RECVERR:
816 case IP_RECVTOS:
817 #ifdef IP_FREEBIND
818 case IP_FREEBIND:
819 #endif
820 case IP_MULTICAST_TTL:
821 case IP_MULTICAST_LOOP:
822 val = 0;
823 if (optlen >= sizeof(uint32_t)) {
824 if (get_user_u32(val, optval_addr))
825 return -TARGET_EFAULT;
826 } else if (optlen >= 1) {
827 if (get_user_u8(val, optval_addr))
828 return -TARGET_EFAULT;
829 }
830 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
831 break;
832 default:
833 goto unimplemented;
834 }
835 break;
836 case TARGET_SOL_SOCKET:
837 switch (optname) {
838 /* Options with 'int' argument. */
839 case TARGET_SO_DEBUG:
840 optname = SO_DEBUG;
841 break;
842 case TARGET_SO_REUSEADDR:
843 optname = SO_REUSEADDR;
844 break;
845 case TARGET_SO_TYPE:
846 optname = SO_TYPE;
847 break;
848 case TARGET_SO_ERROR:
849 optname = SO_ERROR;
850 break;
851 case TARGET_SO_DONTROUTE:
852 optname = SO_DONTROUTE;
853 break;
854 case TARGET_SO_BROADCAST:
855 optname = SO_BROADCAST;
856 break;
857 case TARGET_SO_SNDBUF:
858 optname = SO_SNDBUF;
859 break;
860 case TARGET_SO_RCVBUF:
861 optname = SO_RCVBUF;
862 break;
863 case TARGET_SO_KEEPALIVE:
864 optname = SO_KEEPALIVE;
865 break;
866 case TARGET_SO_OOBINLINE:
867 optname = SO_OOBINLINE;
868 break;
869 case TARGET_SO_NO_CHECK:
870 optname = SO_NO_CHECK;
871 break;
872 case TARGET_SO_PRIORITY:
873 optname = SO_PRIORITY;
874 break;
875 #ifdef SO_BSDCOMPAT
876 case TARGET_SO_BSDCOMPAT:
877 optname = SO_BSDCOMPAT;
878 break;
879 #endif
880 case TARGET_SO_PASSCRED:
881 optname = SO_PASSCRED;
882 break;
883 case TARGET_SO_TIMESTAMP:
884 optname = SO_TIMESTAMP;
885 break;
886 case TARGET_SO_RCVLOWAT:
887 optname = SO_RCVLOWAT;
888 break;
889 case TARGET_SO_RCVTIMEO:
890 optname = SO_RCVTIMEO;
891 break;
892 case TARGET_SO_SNDTIMEO:
893 optname = SO_SNDTIMEO;
894 break;
895 break;
896 default:
897 goto unimplemented;
898 }
899 if (optlen < sizeof(uint32_t))
900 return -TARGET_EINVAL;
901
902 if (get_user_u32(val, optval_addr))
903 return -TARGET_EFAULT;
904 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
905 break;
906 default:
907 unimplemented:
908 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
909 ret = -TARGET_ENOPROTOOPT;
910 }
911 return ret;
912 }
913
914 /* do_getsockopt() Must return target values and target errnos. */
915 static abi_long do_getsockopt(int sockfd, int level, int optname,
916 abi_ulong optval_addr, abi_ulong optlen)
917 {
918 abi_long ret;
919 int len, lv, val;
920
921 switch(level) {
922 case TARGET_SOL_SOCKET:
923 level = SOL_SOCKET;
924 switch (optname) {
925 case TARGET_SO_LINGER:
926 case TARGET_SO_RCVTIMEO:
927 case TARGET_SO_SNDTIMEO:
928 case TARGET_SO_PEERCRED:
929 case TARGET_SO_PEERNAME:
930 /* These don't just return a single integer */
931 goto unimplemented;
932 default:
933 goto int_case;
934 }
935 break;
936 case SOL_TCP:
937 /* TCP options all take an 'int' value. */
938 int_case:
939 if (get_user_u32(len, optlen))
940 return -TARGET_EFAULT;
941 if (len < 0)
942 return -TARGET_EINVAL;
943 lv = sizeof(int);
944 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
945 if (ret < 0)
946 return ret;
947 val = tswap32(val);
948 if (len > lv)
949 len = lv;
950 if (len == 4) {
951 if (put_user_u32(val, optval_addr))
952 return -TARGET_EFAULT;
953 } else {
954 if (put_user_u8(val, optval_addr))
955 return -TARGET_EFAULT;
956 }
957 if (put_user_u32(len, optlen))
958 return -TARGET_EFAULT;
959 break;
960 case SOL_IP:
961 switch(optname) {
962 case IP_TOS:
963 case IP_TTL:
964 case IP_HDRINCL:
965 case IP_ROUTER_ALERT:
966 case IP_RECVOPTS:
967 case IP_RETOPTS:
968 case IP_PKTINFO:
969 case IP_MTU_DISCOVER:
970 case IP_RECVERR:
971 case IP_RECVTOS:
972 #ifdef IP_FREEBIND
973 case IP_FREEBIND:
974 #endif
975 case IP_MULTICAST_TTL:
976 case IP_MULTICAST_LOOP:
977 if (get_user_u32(len, optlen))
978 return -TARGET_EFAULT;
979 if (len < 0)
980 return -TARGET_EINVAL;
981 lv = sizeof(int);
982 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
983 if (ret < 0)
984 return ret;
985 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
986 len = 1;
987 if (put_user_u32(len, optlen)
988 || put_user_u8(val, optval_addr))
989 return -TARGET_EFAULT;
990 } else {
991 if (len > sizeof(int))
992 len = sizeof(int);
993 if (put_user_u32(len, optlen)
994 || put_user_u32(val, optval_addr))
995 return -TARGET_EFAULT;
996 }
997 break;
998 default:
999 ret = -TARGET_ENOPROTOOPT;
1000 break;
1001 }
1002 break;
1003 default:
1004 unimplemented:
1005 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1006 level, optname);
1007 ret = -TARGET_EOPNOTSUPP;
1008 break;
1009 }
1010 return ret;
1011 }
1012
1013 /* FIXME
1014 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1015 * other lock functions have a return code of 0 for failure.
1016 */
1017 static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1018 int count, int copy)
1019 {
1020 struct target_iovec *target_vec;
1021 abi_ulong base;
1022 int i, j;
1023
1024 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1025 if (!target_vec)
1026 return -TARGET_EFAULT;
1027 for(i = 0;i < count; i++) {
1028 base = tswapl(target_vec[i].iov_base);
1029 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1030 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
1031 if (!vec[i].iov_base)
1032 goto fail;
1033 }
1034 unlock_user (target_vec, target_addr, 0);
1035 return 0;
1036 fail:
1037 /* failure - unwind locks */
1038 for (j = 0; j < i; j++) {
1039 base = tswapl(target_vec[j].iov_base);
1040 unlock_user(vec[j].iov_base, base, 0);
1041 }
1042 unlock_user (target_vec, target_addr, 0);
1043 return -TARGET_EFAULT;
1044 }
1045
1046 static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1047 int count, int copy)
1048 {
1049 struct target_iovec *target_vec;
1050 abi_ulong base;
1051 int i;
1052
1053 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1054 if (!target_vec)
1055 return -TARGET_EFAULT;
1056 for(i = 0;i < count; i++) {
1057 base = tswapl(target_vec[i].iov_base);
1058 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1059 }
1060 unlock_user (target_vec, target_addr, 0);
1061
1062 return 0;
1063 }
1064
1065 /* do_socket() Must return target values and target errnos. */
1066 static abi_long do_socket(int domain, int type, int protocol)
1067 {
1068 #if defined(TARGET_MIPS)
1069 switch(type) {
1070 case TARGET_SOCK_DGRAM:
1071 type = SOCK_DGRAM;
1072 break;
1073 case TARGET_SOCK_STREAM:
1074 type = SOCK_STREAM;
1075 break;
1076 case TARGET_SOCK_RAW:
1077 type = SOCK_RAW;
1078 break;
1079 case TARGET_SOCK_RDM:
1080 type = SOCK_RDM;
1081 break;
1082 case TARGET_SOCK_SEQPACKET:
1083 type = SOCK_SEQPACKET;
1084 break;
1085 case TARGET_SOCK_PACKET:
1086 type = SOCK_PACKET;
1087 break;
1088 }
1089 #endif
1090 if (domain == PF_NETLINK)
1091 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
1092 return get_errno(socket(domain, type, protocol));
1093 }
1094
1095 /* do_bind() Must return target values and target errnos. */
1096 static abi_long do_bind(int sockfd, abi_ulong target_addr,
1097 socklen_t addrlen)
1098 {
1099 void *addr = alloca(addrlen);
1100
1101 target_to_host_sockaddr(addr, target_addr, addrlen);
1102 return get_errno(bind(sockfd, addr, addrlen));
1103 }
1104
1105 /* do_connect() Must return target values and target errnos. */
1106 static abi_long do_connect(int sockfd, abi_ulong target_addr,
1107 socklen_t addrlen)
1108 {
1109 void *addr = alloca(addrlen);
1110
1111 target_to_host_sockaddr(addr, target_addr, addrlen);
1112 return get_errno(connect(sockfd, addr, addrlen));
1113 }
1114
1115 /* do_sendrecvmsg() Must return target values and target errnos. */
1116 static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1117 int flags, int send)
1118 {
1119 abi_long ret;
1120 struct target_msghdr *msgp;
1121 struct msghdr msg;
1122 int count;
1123 struct iovec *vec;
1124 abi_ulong target_vec;
1125
1126 /* FIXME */
1127 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1128 msgp,
1129 target_msg,
1130 send ? 1 : 0))
1131 return -TARGET_EFAULT;
1132 if (msgp->msg_name) {
1133 msg.msg_namelen = tswap32(msgp->msg_namelen);
1134 msg.msg_name = alloca(msg.msg_namelen);
1135 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1136 msg.msg_namelen);
1137 } else {
1138 msg.msg_name = NULL;
1139 msg.msg_namelen = 0;
1140 }
1141 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1142 msg.msg_control = alloca(msg.msg_controllen);
1143 msg.msg_flags = tswap32(msgp->msg_flags);
1144
1145 count = tswapl(msgp->msg_iovlen);
1146 vec = alloca(count * sizeof(struct iovec));
1147 target_vec = tswapl(msgp->msg_iov);
1148 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1149 msg.msg_iovlen = count;
1150 msg.msg_iov = vec;
1151
1152 if (send) {
1153 ret = target_to_host_cmsg(&msg, msgp);
1154 if (ret == 0)
1155 ret = get_errno(sendmsg(fd, &msg, flags));
1156 } else {
1157 ret = get_errno(recvmsg(fd, &msg, flags));
1158 if (!is_error(ret))
1159 ret = host_to_target_cmsg(msgp, &msg);
1160 }
1161 unlock_iovec(vec, target_vec, count, !send);
1162 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1163 return ret;
1164 }
1165
1166 /* do_accept() Must return target values and target errnos. */
1167 static abi_long do_accept(int fd, abi_ulong target_addr,
1168 abi_ulong target_addrlen_addr)
1169 {
1170 socklen_t addrlen;
1171 void *addr;
1172 abi_long ret;
1173
1174 if (get_user_u32(addrlen, target_addrlen_addr))
1175 return -TARGET_EFAULT;
1176
1177 addr = alloca(addrlen);
1178
1179 ret = get_errno(accept(fd, addr, &addrlen));
1180 if (!is_error(ret)) {
1181 host_to_target_sockaddr(target_addr, addr, addrlen);
1182 if (put_user_u32(addrlen, target_addrlen_addr))
1183 ret = -TARGET_EFAULT;
1184 }
1185 return ret;
1186 }
1187
1188 /* do_getpeername() Must return target values and target errnos. */
1189 static abi_long do_getpeername(int fd, abi_ulong target_addr,
1190 abi_ulong target_addrlen_addr)
1191 {
1192 socklen_t addrlen;
1193 void *addr;
1194 abi_long ret;
1195
1196 if (get_user_u32(addrlen, target_addrlen_addr))
1197 return -TARGET_EFAULT;
1198
1199 addr = alloca(addrlen);
1200
1201 ret = get_errno(getpeername(fd, addr, &addrlen));
1202 if (!is_error(ret)) {
1203 host_to_target_sockaddr(target_addr, addr, addrlen);
1204 if (put_user_u32(addrlen, target_addrlen_addr))
1205 ret = -TARGET_EFAULT;
1206 }
1207 return ret;
1208 }
1209
1210 /* do_getsockname() Must return target values and target errnos. */
1211 static abi_long do_getsockname(int fd, abi_ulong target_addr,
1212 abi_ulong target_addrlen_addr)
1213 {
1214 socklen_t addrlen;
1215 void *addr;
1216 abi_long ret;
1217
1218 if (get_user_u32(addrlen, target_addrlen_addr))
1219 return -TARGET_EFAULT;
1220
1221 addr = alloca(addrlen);
1222
1223 ret = get_errno(getsockname(fd, addr, &addrlen));
1224 if (!is_error(ret)) {
1225 host_to_target_sockaddr(target_addr, addr, addrlen);
1226 if (put_user_u32(addrlen, target_addrlen_addr))
1227 ret = -TARGET_EFAULT;
1228 }
1229 return ret;
1230 }
1231
1232 /* do_socketpair() Must return target values and target errnos. */
1233 static abi_long do_socketpair(int domain, int type, int protocol,
1234 abi_ulong target_tab_addr)
1235 {
1236 int tab[2];
1237 abi_long ret;
1238
1239 ret = get_errno(socketpair(domain, type, protocol, tab));
1240 if (!is_error(ret)) {
1241 if (put_user_s32(tab[0], target_tab_addr)
1242 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1243 ret = -TARGET_EFAULT;
1244 }
1245 return ret;
1246 }
1247
1248 /* do_sendto() Must return target values and target errnos. */
1249 static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1250 abi_ulong target_addr, socklen_t addrlen)
1251 {
1252 void *addr;
1253 void *host_msg;
1254 abi_long ret;
1255
1256 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1257 if (!host_msg)
1258 return -TARGET_EFAULT;
1259 if (target_addr) {
1260 addr = alloca(addrlen);
1261 target_to_host_sockaddr(addr, target_addr, addrlen);
1262 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1263 } else {
1264 ret = get_errno(send(fd, host_msg, len, flags));
1265 }
1266 unlock_user(host_msg, msg, 0);
1267 return ret;
1268 }
1269
1270 /* do_recvfrom() Must return target values and target errnos. */
1271 static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1272 abi_ulong target_addr,
1273 abi_ulong target_addrlen)
1274 {
1275 socklen_t addrlen;
1276 void *addr;
1277 void *host_msg;
1278 abi_long ret;
1279
1280 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1281 if (!host_msg)
1282 return -TARGET_EFAULT;
1283 if (target_addr) {
1284 if (get_user_u32(addrlen, target_addrlen)) {
1285 ret = -TARGET_EFAULT;
1286 goto fail;
1287 }
1288 addr = alloca(addrlen);
1289 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1290 } else {
1291 addr = NULL; /* To keep compiler quiet. */
1292 ret = get_errno(recv(fd, host_msg, len, flags));
1293 }
1294 if (!is_error(ret)) {
1295 if (target_addr) {
1296 host_to_target_sockaddr(target_addr, addr, addrlen);
1297 if (put_user_u32(addrlen, target_addrlen)) {
1298 ret = -TARGET_EFAULT;
1299 goto fail;
1300 }
1301 }
1302 unlock_user(host_msg, msg, len);
1303 } else {
1304 fail:
1305 unlock_user(host_msg, msg, 0);
1306 }
1307 return ret;
1308 }
1309
1310 #ifdef TARGET_NR_socketcall
1311 /* do_socketcall() Must return target values and target errnos. */
1312 static abi_long do_socketcall(int num, abi_ulong vptr)
1313 {
1314 abi_long ret;
1315 const int n = sizeof(abi_ulong);
1316
1317 switch(num) {
1318 case SOCKOP_socket:
1319 {
1320 int domain, type, protocol;
1321
1322 if (get_user_s32(domain, vptr)
1323 || get_user_s32(type, vptr + n)
1324 || get_user_s32(protocol, vptr + 2 * n))
1325 return -TARGET_EFAULT;
1326
1327 ret = do_socket(domain, type, protocol);
1328 }
1329 break;
1330 case SOCKOP_bind:
1331 {
1332 int sockfd;
1333 abi_ulong target_addr;
1334 socklen_t addrlen;
1335
1336 if (get_user_s32(sockfd, vptr)
1337 || get_user_ual(target_addr, vptr + n)
1338 || get_user_u32(addrlen, vptr + 2 * n))
1339 return -TARGET_EFAULT;
1340
1341 ret = do_bind(sockfd, target_addr, addrlen);
1342 }
1343 break;
1344 case SOCKOP_connect:
1345 {
1346 int sockfd;
1347 abi_ulong target_addr;
1348 socklen_t addrlen;
1349
1350 if (get_user_s32(sockfd, vptr)
1351 || get_user_ual(target_addr, vptr + n)
1352 || get_user_u32(addrlen, vptr + 2 * n))
1353 return -TARGET_EFAULT;
1354
1355 ret = do_connect(sockfd, target_addr, addrlen);
1356 }
1357 break;
1358 case SOCKOP_listen:
1359 {
1360 int sockfd, backlog;
1361
1362 if (get_user_s32(sockfd, vptr)
1363 || get_user_s32(backlog, vptr + n))
1364 return -TARGET_EFAULT;
1365
1366 ret = get_errno(listen(sockfd, backlog));
1367 }
1368 break;
1369 case SOCKOP_accept:
1370 {
1371 int sockfd;
1372 abi_ulong target_addr, target_addrlen;
1373
1374 if (get_user_s32(sockfd, vptr)
1375 || get_user_ual(target_addr, vptr + n)
1376 || get_user_u32(target_addrlen, vptr + 2 * n))
1377 return -TARGET_EFAULT;
1378
1379 ret = do_accept(sockfd, target_addr, target_addrlen);
1380 }
1381 break;
1382 case SOCKOP_getsockname:
1383 {
1384 int sockfd;
1385 abi_ulong target_addr, target_addrlen;
1386
1387 if (get_user_s32(sockfd, vptr)
1388 || get_user_ual(target_addr, vptr + n)
1389 || get_user_u32(target_addrlen, vptr + 2 * n))
1390 return -TARGET_EFAULT;
1391
1392 ret = do_getsockname(sockfd, target_addr, target_addrlen);
1393 }
1394 break;
1395 case SOCKOP_getpeername:
1396 {
1397 int sockfd;
1398 abi_ulong target_addr, target_addrlen;
1399
1400 if (get_user_s32(sockfd, vptr)
1401 || get_user_ual(target_addr, vptr + n)
1402 || get_user_u32(target_addrlen, vptr + 2 * n))
1403 return -TARGET_EFAULT;
1404
1405 ret = do_getpeername(sockfd, target_addr, target_addrlen);
1406 }
1407 break;
1408 case SOCKOP_socketpair:
1409 {
1410 int domain, type, protocol;
1411 abi_ulong tab;
1412
1413 if (get_user_s32(domain, vptr)
1414 || get_user_s32(type, vptr + n)
1415 || get_user_s32(protocol, vptr + 2 * n)
1416 || get_user_ual(tab, vptr + 3 * n))
1417 return -TARGET_EFAULT;
1418
1419 ret = do_socketpair(domain, type, protocol, tab);
1420 }
1421 break;
1422 case SOCKOP_send:
1423 {
1424 int sockfd;
1425 abi_ulong msg;
1426 size_t len;
1427 int flags;
1428
1429 if (get_user_s32(sockfd, vptr)
1430 || get_user_ual(msg, vptr + n)
1431 || get_user_ual(len, vptr + 2 * n)
1432 || get_user_s32(flags, vptr + 3 * n))
1433 return -TARGET_EFAULT;
1434
1435 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1436 }
1437 break;
1438 case SOCKOP_recv:
1439 {
1440 int sockfd;
1441 abi_ulong msg;
1442 size_t len;
1443 int flags;
1444
1445 if (get_user_s32(sockfd, vptr)
1446 || get_user_ual(msg, vptr + n)
1447 || get_user_ual(len, vptr + 2 * n)
1448 || get_user_s32(flags, vptr + 3 * n))
1449 return -TARGET_EFAULT;
1450
1451 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1452 }
1453 break;
1454 case SOCKOP_sendto:
1455 {
1456 int sockfd;
1457 abi_ulong msg;
1458 size_t len;
1459 int flags;
1460 abi_ulong addr;
1461 socklen_t addrlen;
1462
1463 if (get_user_s32(sockfd, vptr)
1464 || get_user_ual(msg, vptr + n)
1465 || get_user_ual(len, vptr + 2 * n)
1466 || get_user_s32(flags, vptr + 3 * n)
1467 || get_user_ual(addr, vptr + 4 * n)
1468 || get_user_u32(addrlen, vptr + 5 * n))
1469 return -TARGET_EFAULT;
1470
1471 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1472 }
1473 break;
1474 case SOCKOP_recvfrom:
1475 {
1476 int sockfd;
1477 abi_ulong msg;
1478 size_t len;
1479 int flags;
1480 abi_ulong addr;
1481 socklen_t addrlen;
1482
1483 if (get_user_s32(sockfd, vptr)
1484 || get_user_ual(msg, vptr + n)
1485 || get_user_ual(len, vptr + 2 * n)
1486 || get_user_s32(flags, vptr + 3 * n)
1487 || get_user_ual(addr, vptr + 4 * n)
1488 || get_user_u32(addrlen, vptr + 5 * n))
1489 return -TARGET_EFAULT;
1490
1491 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1492 }
1493 break;
1494 case SOCKOP_shutdown:
1495 {
1496 int sockfd, how;
1497
1498 if (get_user_s32(sockfd, vptr)
1499 || get_user_s32(how, vptr + n))
1500 return -TARGET_EFAULT;
1501
1502 ret = get_errno(shutdown(sockfd, how));
1503 }
1504 break;
1505 case SOCKOP_sendmsg:
1506 case SOCKOP_recvmsg:
1507 {
1508 int fd;
1509 abi_ulong target_msg;
1510 int flags;
1511
1512 if (get_user_s32(fd, vptr)
1513 || get_user_ual(target_msg, vptr + n)
1514 || get_user_s32(flags, vptr + 2 * n))
1515 return -TARGET_EFAULT;
1516
1517 ret = do_sendrecvmsg(fd, target_msg, flags,
1518 (num == SOCKOP_sendmsg));
1519 }
1520 break;
1521 case SOCKOP_setsockopt:
1522 {
1523 int sockfd;
1524 int level;
1525 int optname;
1526 abi_ulong optval;
1527 socklen_t optlen;
1528
1529 if (get_user_s32(sockfd, vptr)
1530 || get_user_s32(level, vptr + n)
1531 || get_user_s32(optname, vptr + 2 * n)
1532 || get_user_ual(optval, vptr + 3 * n)
1533 || get_user_u32(optlen, vptr + 4 * n))
1534 return -TARGET_EFAULT;
1535
1536 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1537 }
1538 break;
1539 case SOCKOP_getsockopt:
1540 {
1541 int sockfd;
1542 int level;
1543 int optname;
1544 abi_ulong optval;
1545 socklen_t optlen;
1546
1547 if (get_user_s32(sockfd, vptr)
1548 || get_user_s32(level, vptr + n)
1549 || get_user_s32(optname, vptr + 2 * n)
1550 || get_user_ual(optval, vptr + 3 * n)
1551 || get_user_u32(optlen, vptr + 4 * n))
1552 return -TARGET_EFAULT;
1553
1554 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
1555 }
1556 break;
1557 default:
1558 gemu_log("Unsupported socketcall: %d\n", num);
1559 ret = -TARGET_ENOSYS;
1560 break;
1561 }
1562 return ret;
1563 }
1564 #endif
1565
1566 #ifdef TARGET_NR_ipc
1567 #define N_SHM_REGIONS 32
1568
1569 static struct shm_region {
1570 abi_ulong start;
1571 abi_ulong size;
1572 } shm_regions[N_SHM_REGIONS];
1573
1574 struct target_ipc_perm
1575 {
1576 abi_long __key;
1577 abi_ulong uid;
1578 abi_ulong gid;
1579 abi_ulong cuid;
1580 abi_ulong cgid;
1581 unsigned short int mode;
1582 unsigned short int __pad1;
1583 unsigned short int __seq;
1584 unsigned short int __pad2;
1585 abi_ulong __unused1;
1586 abi_ulong __unused2;
1587 };
1588
1589 struct target_semid_ds
1590 {
1591 struct target_ipc_perm sem_perm;
1592 abi_ulong sem_otime;
1593 abi_ulong __unused1;
1594 abi_ulong sem_ctime;
1595 abi_ulong __unused2;
1596 abi_ulong sem_nsems;
1597 abi_ulong __unused3;
1598 abi_ulong __unused4;
1599 };
1600
1601 static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
1602 abi_ulong target_addr)
1603 {
1604 struct target_ipc_perm *target_ip;
1605 struct target_semid_ds *target_sd;
1606
1607 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1608 return -TARGET_EFAULT;
1609 target_ip=&(target_sd->sem_perm);
1610 host_ip->__key = tswapl(target_ip->__key);
1611 host_ip->uid = tswapl(target_ip->uid);
1612 host_ip->gid = tswapl(target_ip->gid);
1613 host_ip->cuid = tswapl(target_ip->cuid);
1614 host_ip->cgid = tswapl(target_ip->cgid);
1615 host_ip->mode = tswapl(target_ip->mode);
1616 unlock_user_struct(target_sd, target_addr, 0);
1617 return 0;
1618 }
1619
1620 static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
1621 struct ipc_perm *host_ip)
1622 {
1623 struct target_ipc_perm *target_ip;
1624 struct target_semid_ds *target_sd;
1625
1626 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1627 return -TARGET_EFAULT;
1628 target_ip = &(target_sd->sem_perm);
1629 target_ip->__key = tswapl(host_ip->__key);
1630 target_ip->uid = tswapl(host_ip->uid);
1631 target_ip->gid = tswapl(host_ip->gid);
1632 target_ip->cuid = tswapl(host_ip->cuid);
1633 target_ip->cgid = tswapl(host_ip->cgid);
1634 target_ip->mode = tswapl(host_ip->mode);
1635 unlock_user_struct(target_sd, target_addr, 1);
1636 return 0;
1637 }
1638
1639 static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
1640 abi_ulong target_addr)
1641 {
1642 struct target_semid_ds *target_sd;
1643
1644 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1645 return -TARGET_EFAULT;
1646 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1647 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1648 host_sd->sem_otime = tswapl(target_sd->sem_otime);
1649 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1650 unlock_user_struct(target_sd, target_addr, 0);
1651 return 0;
1652 }
1653
1654 static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
1655 struct semid_ds *host_sd)
1656 {
1657 struct target_semid_ds *target_sd;
1658
1659 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1660 return -TARGET_EFAULT;
1661 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1662 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1663 target_sd->sem_otime = tswapl(host_sd->sem_otime);
1664 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1665 unlock_user_struct(target_sd, target_addr, 1);
1666 return 0;
1667 }
1668
1669 union semun {
1670 int val;
1671 struct semid_ds *buf;
1672 unsigned short *array;
1673 };
1674
1675 union target_semun {
1676 int val;
1677 abi_long buf;
1678 unsigned short int *array;
1679 };
1680
1681 static inline abi_long target_to_host_semun(int cmd,
1682 union semun *host_su,
1683 abi_ulong target_addr,
1684 struct semid_ds *ds)
1685 {
1686 union target_semun *target_su;
1687
1688 switch( cmd ) {
1689 case IPC_STAT:
1690 case IPC_SET:
1691 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1692 return -TARGET_EFAULT;
1693 target_to_host_semid_ds(ds,target_su->buf);
1694 host_su->buf = ds;
1695 unlock_user_struct(target_su, target_addr, 0);
1696 break;
1697 case GETVAL:
1698 case SETVAL:
1699 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1700 return -TARGET_EFAULT;
1701 host_su->val = tswapl(target_su->val);
1702 unlock_user_struct(target_su, target_addr, 0);
1703 break;
1704 case GETALL:
1705 case SETALL:
1706 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1707 return -TARGET_EFAULT;
1708 *host_su->array = tswap16(*target_su->array);
1709 unlock_user_struct(target_su, target_addr, 0);
1710 break;
1711 default:
1712 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1713 }
1714 return 0;
1715 }
1716
1717 static inline abi_long host_to_target_semun(int cmd,
1718 abi_ulong target_addr,
1719 union semun *host_su,
1720 struct semid_ds *ds)
1721 {
1722 union target_semun *target_su;
1723
1724 switch( cmd ) {
1725 case IPC_STAT:
1726 case IPC_SET:
1727 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1728 return -TARGET_EFAULT;
1729 host_to_target_semid_ds(target_su->buf,ds);
1730 unlock_user_struct(target_su, target_addr, 1);
1731 break;
1732 case GETVAL:
1733 case SETVAL:
1734 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1735 return -TARGET_EFAULT;
1736 target_su->val = tswapl(host_su->val);
1737 unlock_user_struct(target_su, target_addr, 1);
1738 break;
1739 case GETALL:
1740 case SETALL:
1741 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1742 return -TARGET_EFAULT;
1743 *target_su->array = tswap16(*host_su->array);
1744 unlock_user_struct(target_su, target_addr, 1);
1745 break;
1746 default:
1747 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1748 }
1749 return 0;
1750 }
1751
1752 static inline abi_long do_semctl(int first, int second, int third,
1753 abi_long ptr)
1754 {
1755 union semun arg;
1756 struct semid_ds dsarg;
1757 int cmd = third&0xff;
1758 abi_long ret = 0;
1759
1760 switch( cmd ) {
1761 case GETVAL:
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 SETVAL:
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 GETALL:
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 SETALL:
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_STAT:
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 case IPC_SET:
1787 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1788 ret = get_errno(semctl(first, second, cmd, arg));
1789 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1790 break;
1791 default:
1792 ret = get_errno(semctl(first, second, cmd, arg));
1793 }
1794
1795 return ret;
1796 }
1797
1798 struct target_msqid_ds
1799 {
1800 struct target_ipc_perm msg_perm;
1801 abi_ulong msg_stime;
1802 abi_ulong __unused1;
1803 abi_ulong msg_rtime;
1804 abi_ulong __unused2;
1805 abi_ulong msg_ctime;
1806 abi_ulong __unused3;
1807 abi_ulong __msg_cbytes;
1808 abi_ulong msg_qnum;
1809 abi_ulong msg_qbytes;
1810 abi_ulong msg_lspid;
1811 abi_ulong msg_lrpid;
1812 abi_ulong __unused4;
1813 abi_ulong __unused5;
1814 };
1815
1816 static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
1817 abi_ulong target_addr)
1818 {
1819 struct target_msqid_ds *target_md;
1820
1821 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
1822 return -TARGET_EFAULT;
1823 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
1824 host_md->msg_stime = tswapl(target_md->msg_stime);
1825 host_md->msg_rtime = tswapl(target_md->msg_rtime);
1826 host_md->msg_ctime = tswapl(target_md->msg_ctime);
1827 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1828 host_md->msg_qnum = tswapl(target_md->msg_qnum);
1829 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1830 host_md->msg_lspid = tswapl(target_md->msg_lspid);
1831 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1832 unlock_user_struct(target_md, target_addr, 0);
1833 return 0;
1834 }
1835
1836 static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
1837 struct msqid_ds *host_md)
1838 {
1839 struct target_msqid_ds *target_md;
1840
1841 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
1842 return -TARGET_EFAULT;
1843 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
1844 target_md->msg_stime = tswapl(host_md->msg_stime);
1845 target_md->msg_rtime = tswapl(host_md->msg_rtime);
1846 target_md->msg_ctime = tswapl(host_md->msg_ctime);
1847 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1848 target_md->msg_qnum = tswapl(host_md->msg_qnum);
1849 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1850 target_md->msg_lspid = tswapl(host_md->msg_lspid);
1851 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1852 unlock_user_struct(target_md, target_addr, 1);
1853 return 0;
1854 }
1855
1856 static inline abi_long do_msgctl(int first, int second, abi_long ptr)
1857 {
1858 struct msqid_ds dsarg;
1859 int cmd = second&0xff;
1860 abi_long ret = 0;
1861 switch( cmd ) {
1862 case IPC_STAT:
1863 case IPC_SET:
1864 target_to_host_msqid_ds(&dsarg,ptr);
1865 ret = get_errno(msgctl(first, cmd, &dsarg));
1866 host_to_target_msqid_ds(ptr,&dsarg);
1867 default:
1868 ret = get_errno(msgctl(first, cmd, &dsarg));
1869 }
1870 return ret;
1871 }
1872
1873 struct target_msgbuf {
1874 abi_ulong mtype;
1875 char mtext[1];
1876 };
1877
1878 static inline abi_long do_msgsnd(int msqid, abi_long msgp,
1879 unsigned int msgsz, int msgflg)
1880 {
1881 struct target_msgbuf *target_mb;
1882 struct msgbuf *host_mb;
1883 abi_long ret = 0;
1884
1885 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
1886 return -TARGET_EFAULT;
1887 host_mb = malloc(msgsz+sizeof(long));
1888 host_mb->mtype = tswapl(target_mb->mtype);
1889 memcpy(host_mb->mtext,target_mb->mtext,msgsz);
1890 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
1891 free(host_mb);
1892 unlock_user_struct(target_mb, msgp, 0);
1893
1894 return ret;
1895 }
1896
1897 static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1898 unsigned int msgsz, int msgtype,
1899 int msgflg)
1900 {
1901 struct target_msgbuf *target_mb;
1902 char *target_mtext;
1903 struct msgbuf *host_mb;
1904 abi_long ret = 0;
1905
1906 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
1907 return -TARGET_EFAULT;
1908 host_mb = malloc(msgsz+sizeof(long));
1909 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
1910 if (ret > 0) {
1911 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
1912 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
1913 if (!target_mtext) {
1914 ret = -TARGET_EFAULT;
1915 goto end;
1916 }
1917 memcpy(target_mb->mtext, host_mb->mtext, ret);
1918 unlock_user(target_mtext, target_mtext_addr, ret);
1919 }
1920 target_mb->mtype = tswapl(host_mb->mtype);
1921 free(host_mb);
1922
1923 end:
1924 if (target_mb)
1925 unlock_user_struct(target_mb, msgp, 1);
1926 return ret;
1927 }
1928
1929 /* ??? This only works with linear mappings. */
1930 /* do_ipc() must return target values and target errnos. */
1931 static abi_long do_ipc(unsigned int call, int first,
1932 int second, int third,
1933 abi_long ptr, abi_long fifth)
1934 {
1935 int version;
1936 abi_long ret = 0;
1937 struct shmid_ds shm_info;
1938 int i;
1939
1940 version = call >> 16;
1941 call &= 0xffff;
1942
1943 switch (call) {
1944 case IPCOP_semop:
1945 ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second));
1946 break;
1947
1948 case IPCOP_semget:
1949 ret = get_errno(semget(first, second, third));
1950 break;
1951
1952 case IPCOP_semctl:
1953 ret = do_semctl(first, second, third, ptr);
1954 break;
1955
1956 case IPCOP_semtimedop:
1957 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
1958 ret = -TARGET_ENOSYS;
1959 break;
1960
1961 case IPCOP_msgget:
1962 ret = get_errno(msgget(first, second));
1963 break;
1964
1965 case IPCOP_msgsnd:
1966 ret = do_msgsnd(first, ptr, second, third);
1967 break;
1968
1969 case IPCOP_msgctl:
1970 ret = do_msgctl(first, second, ptr);
1971 break;
1972
1973 case IPCOP_msgrcv:
1974 {
1975 /* XXX: this code is not correct */
1976 struct ipc_kludge
1977 {
1978 void *__unbounded msgp;
1979 long int msgtyp;
1980 };
1981
1982 struct ipc_kludge *foo = (struct ipc_kludge *)g2h(ptr);
1983 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1984
1985 ret = do_msgrcv(first, (long)msgp, second, 0, third);
1986
1987 }
1988 break;
1989
1990 case IPCOP_shmat:
1991 {
1992 abi_ulong raddr;
1993 void *host_addr;
1994 /* SHM_* flags are the same on all linux platforms */
1995 host_addr = shmat(first, (void *)g2h(ptr), second);
1996 if (host_addr == (void *)-1) {
1997 ret = get_errno((long)host_addr);
1998 break;
1999 }
2000 raddr = h2g((unsigned long)host_addr);
2001 /* find out the length of the shared memory segment */
2002
2003 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
2004 if (is_error(ret)) {
2005 /* can't get length, bail out */
2006 shmdt(host_addr);
2007 break;
2008 }
2009 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2010 PAGE_VALID | PAGE_READ |
2011 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
2012 for (i = 0; i < N_SHM_REGIONS; ++i) {
2013 if (shm_regions[i].start == 0) {
2014 shm_regions[i].start = raddr;
2015 shm_regions[i].size = shm_info.shm_segsz;
2016 break;
2017 }
2018 }
2019 if (put_user_ual(raddr, third))
2020 return -TARGET_EFAULT;
2021 ret = 0;
2022 }
2023 break;
2024 case IPCOP_shmdt:
2025 for (i = 0; i < N_SHM_REGIONS; ++i) {
2026 if (shm_regions[i].start == ptr) {
2027 shm_regions[i].start = 0;
2028 page_set_flags(ptr, shm_regions[i].size, 0);
2029 break;
2030 }
2031 }
2032 ret = get_errno(shmdt((void *)g2h(ptr)));
2033 break;
2034
2035 case IPCOP_shmget:
2036 /* IPC_* flag values are the same on all linux platforms */
2037 ret = get_errno(shmget(first, second, third));
2038 break;
2039
2040 /* IPC_* and SHM_* command values are the same on all linux platforms */
2041 case IPCOP_shmctl:
2042 switch(second) {
2043 case IPC_RMID:
2044 case SHM_LOCK:
2045 case SHM_UNLOCK:
2046 ret = get_errno(shmctl(first, second, NULL));
2047 break;
2048 default:
2049 goto unimplemented;
2050 }
2051 break;
2052 default:
2053 unimplemented:
2054 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2055 ret = -TARGET_ENOSYS;
2056 break;
2057 }
2058 return ret;
2059 }
2060 #endif
2061
2062 /* kernel structure types definitions */
2063 #define IFNAMSIZ 16
2064
2065 #define STRUCT(name, list...) STRUCT_ ## name,
2066 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
2067 enum {
2068 #include "syscall_types.h"
2069 };
2070 #undef STRUCT
2071 #undef STRUCT_SPECIAL
2072
2073 #define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
2074 #define STRUCT_SPECIAL(name)
2075 #include "syscall_types.h"
2076 #undef STRUCT
2077 #undef STRUCT_SPECIAL
2078
2079 typedef struct IOCTLEntry {
2080 unsigned int target_cmd;
2081 unsigned int host_cmd;
2082 const char *name;
2083 int access;
2084 const argtype arg_type[5];
2085 } IOCTLEntry;
2086
2087 #define IOC_R 0x0001
2088 #define IOC_W 0x0002
2089 #define IOC_RW (IOC_R | IOC_W)
2090
2091 #define MAX_STRUCT_SIZE 4096
2092
2093 IOCTLEntry ioctl_entries[] = {
2094 #define IOCTL(cmd, access, types...) \
2095 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
2096 #include "ioctls.h"
2097 { 0, 0, },
2098 };
2099
2100 /* ??? Implement proper locking for ioctls. */
2101 /* do_ioctl() Must return target values and target errnos. */
2102 static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
2103 {
2104 const IOCTLEntry *ie;
2105 const argtype *arg_type;
2106 abi_long ret;
2107 uint8_t buf_temp[MAX_STRUCT_SIZE];
2108 int target_size;
2109 void *argptr;
2110
2111 ie = ioctl_entries;
2112 for(;;) {
2113 if (ie->target_cmd == 0) {
2114 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
2115 return -TARGET_ENOSYS;
2116 }
2117 if (ie->target_cmd == cmd)
2118 break;
2119 ie++;
2120 }
2121 arg_type = ie->arg_type;
2122 #if defined(DEBUG)
2123 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
2124 #endif
2125 switch(arg_type[0]) {
2126 case TYPE_NULL:
2127 /* no argument */
2128 ret = get_errno(ioctl(fd, ie->host_cmd));
2129 break;
2130 case TYPE_PTRVOID:
2131 case TYPE_INT:
2132 /* int argment */
2133 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2134 break;
2135 case TYPE_PTR:
2136 arg_type++;
2137 target_size = thunk_type_size(arg_type, 0);
2138 switch(ie->access) {
2139 case IOC_R:
2140 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2141 if (!is_error(ret)) {
2142 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2143 if (!argptr)
2144 return -TARGET_EFAULT;
2145 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2146 unlock_user(argptr, arg, target_size);
2147 }
2148 break;
2149 case IOC_W:
2150 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2151 if (!argptr)
2152 return -TARGET_EFAULT;
2153 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2154 unlock_user(argptr, arg, 0);
2155 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2156 break;
2157 default:
2158 case IOC_RW:
2159 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2160 if (!argptr)
2161 return -TARGET_EFAULT;
2162 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2163 unlock_user(argptr, arg, 0);
2164 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2165 if (!is_error(ret)) {
2166 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2167 if (!argptr)
2168 return -TARGET_EFAULT;
2169 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2170 unlock_user(argptr, arg, target_size);
2171 }
2172 break;
2173 }
2174 break;
2175 default:
2176 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2177 (long)cmd, arg_type[0]);
2178 ret = -TARGET_ENOSYS;
2179 break;
2180 }
2181 return ret;
2182 }
2183
2184 bitmask_transtbl iflag_tbl[] = {
2185 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2186 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2187 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2188 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2189 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2190 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2191 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2192 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2193 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2194 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2195 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2196 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2197 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2198 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2199 { 0, 0, 0, 0 }
2200 };
2201
2202 bitmask_transtbl oflag_tbl[] = {
2203 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2204 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2205 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2206 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2207 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2208 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2209 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2210 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2211 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2212 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2213 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2214 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2215 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2216 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2217 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
2218 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
2219 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
2220 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
2221 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
2222 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
2223 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
2224 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
2225 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
2226 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
2227 { 0, 0, 0, 0 }
2228 };
2229
2230 bitmask_transtbl cflag_tbl[] = {
2231 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
2232 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
2233 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
2234 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
2235 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
2236 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
2237 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
2238 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
2239 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
2240 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
2241 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
2242 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
2243 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
2244 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
2245 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
2246 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
2247 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
2248 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
2249 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
2250 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
2251 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
2252 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
2253 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
2254 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
2255 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
2256 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
2257 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
2258 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
2259 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
2260 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
2261 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
2262 { 0, 0, 0, 0 }
2263 };
2264
2265 bitmask_transtbl lflag_tbl[] = {
2266 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
2267 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
2268 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
2269 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
2270 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
2271 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
2272 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
2273 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
2274 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
2275 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
2276 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
2277 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
2278 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
2279 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
2280 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
2281 { 0, 0, 0, 0 }
2282 };
2283
2284 static void target_to_host_termios (void *dst, const void *src)
2285 {
2286 struct host_termios *host = dst;
2287 const struct target_termios *target = src;
2288
2289 host->c_iflag =
2290 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
2291 host->c_oflag =
2292 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
2293 host->c_cflag =
2294 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
2295 host->c_lflag =
2296 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
2297 host->c_line = target->c_line;
2298
2299 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
2300 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
2301 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
2302 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
2303 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
2304 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
2305 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
2306 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
2307 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
2308 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
2309 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
2310 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
2311 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
2312 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
2313 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
2314 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
2315 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
2316 }
2317
2318 static void host_to_target_termios (void *dst, const void *src)
2319 {
2320 struct target_termios *target = dst;
2321 const struct host_termios *host = src;
2322
2323 target->c_iflag =
2324 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
2325 target->c_oflag =
2326 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
2327 target->c_cflag =
2328 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
2329 target->c_lflag =
2330 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
2331 target->c_line = host->c_line;
2332
2333 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
2334 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
2335 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
2336 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
2337 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
2338 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
2339 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
2340 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
2341 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
2342 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
2343 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
2344 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
2345 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
2346 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
2347 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
2348 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
2349 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
2350 }
2351
2352 StructEntry struct_termios_def = {
2353 .convert = { host_to_target_termios, target_to_host_termios },
2354 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
2355 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
2356 };
2357
2358 static bitmask_transtbl mmap_flags_tbl[] = {
2359 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
2360 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
2361 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
2362 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
2363 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
2364 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
2365 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
2366 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
2367 { 0, 0, 0, 0 }
2368 };
2369
2370 static bitmask_transtbl fcntl_flags_tbl[] = {
2371 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
2372 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
2373 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
2374 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
2375 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
2376 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
2377 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
2378 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
2379 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
2380 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
2381 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
2382 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
2383 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
2384 #if defined(O_DIRECT)
2385 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
2386 #endif
2387 { 0, 0, 0, 0 }
2388 };
2389
2390 #if defined(TARGET_I386)
2391
2392 /* NOTE: there is really one LDT for all the threads */
2393 uint8_t *ldt_table;
2394
2395 static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
2396 {
2397 int size;
2398 void *p;
2399
2400 if (!ldt_table)
2401 return 0;
2402 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2403 if (size > bytecount)
2404 size = bytecount;
2405 p = lock_user(VERIFY_WRITE, ptr, size, 0);
2406 if (!p)
2407 return -TARGET_EFAULT;
2408 /* ??? Should this by byteswapped? */
2409 memcpy(p, ldt_table, size);
2410 unlock_user(p, ptr, size);
2411 return size;
2412 }
2413
2414 /* XXX: add locking support */
2415 static abi_long write_ldt(CPUX86State *env,
2416 abi_ulong ptr, unsigned long bytecount, int oldmode)
2417 {
2418 struct target_modify_ldt_ldt_s ldt_info;
2419 struct target_modify_ldt_ldt_s *target_ldt_info;
2420 int seg_32bit, contents, read_exec_only, limit_in_pages;
2421 int seg_not_present, useable, lm;
2422 uint32_t *lp, entry_1, entry_2;
2423
2424 if (bytecount != sizeof(ldt_info))
2425 return -TARGET_EINVAL;
2426 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
2427 return -TARGET_EFAULT;
2428 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2429 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2430 ldt_info.limit = tswap32(target_ldt_info->limit);
2431 ldt_info.flags = tswap32(target_ldt_info->flags);
2432 unlock_user_struct(target_ldt_info, ptr, 0);
2433
2434 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2435 return -TARGET_EINVAL;
2436 seg_32bit = ldt_info.flags & 1;
2437 contents = (ldt_info.flags >> 1) & 3;
2438 read_exec_only = (ldt_info.flags >> 3) & 1;
2439 limit_in_pages = (ldt_info.flags >> 4) & 1;
2440 seg_not_present = (ldt_info.flags >> 5) & 1;
2441 useable = (ldt_info.flags >> 6) & 1;
2442 #ifdef TARGET_ABI32
2443 lm = 0;
2444 #else
2445 lm = (ldt_info.flags >> 7) & 1;
2446 #endif
2447 if (contents == 3) {
2448 if (oldmode)
2449 return -TARGET_EINVAL;
2450 if (seg_not_present == 0)
2451 return -TARGET_EINVAL;
2452 }
2453 /* allocate the LDT */
2454 if (!ldt_table) {
2455 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2456 if (!ldt_table)
2457 return -TARGET_ENOMEM;
2458 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2459 env->ldt.base = h2g((unsigned long)ldt_table);
2460 env->ldt.limit = 0xffff;
2461 }
2462
2463 /* NOTE: same code as Linux kernel */
2464 /* Allow LDTs to be cleared by the user. */
2465 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2466 if (oldmode ||
2467 (contents == 0 &&
2468 read_exec_only == 1 &&
2469 seg_32bit == 0 &&
2470 limit_in_pages == 0 &&
2471 seg_not_present == 1 &&
2472 useable == 0 )) {
2473 entry_1 = 0;
2474 entry_2 = 0;
2475 goto install;
2476 }
2477 }
2478
2479 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2480 (ldt_info.limit & 0x0ffff);
2481 entry_2 = (ldt_info.base_addr & 0xff000000) |
2482 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2483 (ldt_info.limit & 0xf0000) |
2484 ((read_exec_only ^ 1) << 9) |
2485 (contents << 10) |
2486 ((seg_not_present ^ 1) << 15) |
2487 (seg_32bit << 22) |
2488 (limit_in_pages << 23) |
2489 (lm << 21) |
2490 0x7000;
2491 if (!oldmode)
2492 entry_2 |= (useable << 20);
2493
2494 /* Install the new entry ... */
2495 install:
2496 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2497 lp[0] = tswap32(entry_1);
2498 lp[1] = tswap32(entry_2);
2499 return 0;
2500 }
2501
2502 /* specific and weird i386 syscalls */
2503 abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
2504 unsigned long bytecount)
2505 {
2506 abi_long ret;
2507
2508 switch (func) {
2509 case 0:
2510 ret = read_ldt(ptr, bytecount);
2511 break;
2512 case 1:
2513 ret = write_ldt(env, ptr, bytecount, 1);
2514 break;
2515 case 0x11:
2516 ret = write_ldt(env, ptr, bytecount, 0);
2517 break;
2518 default:
2519 ret = -TARGET_ENOSYS;
2520 break;
2521 }
2522 return ret;
2523 }
2524
2525 abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
2526 {
2527 uint64_t *gdt_table = g2h(env->gdt.base);
2528 struct target_modify_ldt_ldt_s ldt_info;
2529 struct target_modify_ldt_ldt_s *target_ldt_info;
2530 int seg_32bit, contents, read_exec_only, limit_in_pages;
2531 int seg_not_present, useable, lm;
2532 uint32_t *lp, entry_1, entry_2;
2533 int i;
2534
2535 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
2536 if (!target_ldt_info)
2537 return -TARGET_EFAULT;
2538 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2539 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2540 ldt_info.limit = tswap32(target_ldt_info->limit);
2541 ldt_info.flags = tswap32(target_ldt_info->flags);
2542 if (ldt_info.entry_number == -1) {
2543 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
2544 if (gdt_table[i] == 0) {
2545 ldt_info.entry_number = i;
2546 target_ldt_info->entry_number = tswap32(i);
2547 break;
2548 }
2549 }
2550 }
2551 unlock_user_struct(target_ldt_info, ptr, 1);
2552
2553 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
2554 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
2555 return -TARGET_EINVAL;
2556 seg_32bit = ldt_info.flags & 1;
2557 contents = (ldt_info.flags >> 1) & 3;
2558 read_exec_only = (ldt_info.flags >> 3) & 1;
2559 limit_in_pages = (ldt_info.flags >> 4) & 1;
2560 seg_not_present = (ldt_info.flags >> 5) & 1;
2561 useable = (ldt_info.flags >> 6) & 1;
2562 #ifdef TARGET_ABI32
2563 lm = 0;
2564 #else
2565 lm = (ldt_info.flags >> 7) & 1;
2566 #endif
2567
2568 if (contents == 3) {
2569 if (seg_not_present == 0)
2570 return -TARGET_EINVAL;
2571 }
2572
2573 /* NOTE: same code as Linux kernel */
2574 /* Allow LDTs to be cleared by the user. */
2575 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2576 if ((contents == 0 &&
2577 read_exec_only == 1 &&
2578 seg_32bit == 0 &&
2579 limit_in_pages == 0 &&
2580 seg_not_present == 1 &&
2581 useable == 0 )) {
2582 entry_1 = 0;
2583 entry_2 = 0;
2584 goto install;
2585 }
2586 }
2587
2588 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2589 (ldt_info.limit & 0x0ffff);
2590 entry_2 = (ldt_info.base_addr & 0xff000000) |
2591 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2592 (ldt_info.limit & 0xf0000) |
2593 ((read_exec_only ^ 1) << 9) |
2594 (contents << 10) |
2595 ((seg_not_present ^ 1) << 15) |
2596 (seg_32bit << 22) |
2597 (limit_in_pages << 23) |
2598 (useable << 20) |
2599 (lm << 21) |
2600 0x7000;
2601
2602 /* Install the new entry ... */
2603 install:
2604 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
2605 lp[0] = tswap32(entry_1);
2606 lp[1] = tswap32(entry_2);
2607 return 0;
2608 }
2609
2610 abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
2611 {
2612 struct target_modify_ldt_ldt_s *target_ldt_info;
2613 uint64_t *gdt_table = g2h(env->gdt.base);
2614 uint32_t base_addr, limit, flags;
2615 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
2616 int seg_not_present, useable, lm;
2617 uint32_t *lp, entry_1, entry_2;
2618
2619 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
2620 if (!target_ldt_info)
2621 return -TARGET_EFAULT;
2622 idx = tswap32(target_ldt_info->entry_number);
2623 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
2624 idx > TARGET_GDT_ENTRY_TLS_MAX) {
2625 unlock_user_struct(target_ldt_info, ptr, 1);
2626 return -TARGET_EINVAL;
2627 }
2628 lp = (uint32_t *)(gdt_table + idx);
2629 entry_1 = tswap32(lp[0]);
2630 entry_2 = tswap32(lp[1]);
2631
2632 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
2633 contents = (entry_2 >> 10) & 3;
2634 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
2635 seg_32bit = (entry_2 >> 22) & 1;
2636 limit_in_pages = (entry_2 >> 23) & 1;
2637 useable = (entry_2 >> 20) & 1;
2638 #ifdef TARGET_ABI32
2639 lm = 0;
2640 #else
2641 lm = (entry_2 >> 21) & 1;
2642 #endif
2643 flags = (seg_32bit << 0) | (contents << 1) |
2644 (read_exec_only << 3) | (limit_in_pages << 4) |
2645 (seg_not_present << 5) | (useable << 6) | (lm << 7);
2646 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
2647 base_addr = (entry_1 >> 16) |
2648 (entry_2 & 0xff000000) |
2649 ((entry_2 & 0xff) << 16);
2650 target_ldt_info->base_addr = tswapl(base_addr);
2651 target_ldt_info->limit = tswap32(limit);
2652 target_ldt_info->flags = tswap32(flags);
2653 unlock_user_struct(target_ldt_info, ptr, 1);
2654 return 0;
2655 }
2656
2657 #ifndef TARGET_ABI32
2658 abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
2659 {
2660 abi_long ret;
2661 abi_ulong val;
2662 int idx;
2663
2664 switch(code) {
2665 case TARGET_ARCH_SET_GS:
2666 case TARGET_ARCH_SET_FS:
2667 if (code == TARGET_ARCH_SET_GS)
2668 idx = R_GS;
2669 else
2670 idx = R_FS;
2671 cpu_x86_load_seg(env, idx, 0);
2672 env->segs[idx].base = addr;
2673 break;
2674 case TARGET_ARCH_GET_GS:
2675 case TARGET_ARCH_GET_FS:
2676 if (code == TARGET_ARCH_GET_GS)
2677 idx = R_GS;
2678 else
2679 idx = R_FS;
2680 val = env->segs[idx].base;
2681 if (put_user(val, addr, abi_ulong))
2682 return -TARGET_EFAULT;
2683 break;
2684 default:
2685 ret = -TARGET_EINVAL;
2686 break;
2687 }
2688 return 0;
2689 }
2690 #endif
2691
2692 #endif /* defined(TARGET_I386) */
2693
2694 /* this stack is the equivalent of the kernel stack associated with a
2695 thread/process */
2696 #define NEW_STACK_SIZE 8192
2697
2698 static int clone_func(void *arg)
2699 {
2700 CPUState *env = arg;
2701 cpu_loop(env);
2702 /* never exits */
2703 return 0;
2704 }
2705
2706 /* do_fork() Must return host values and target errnos (unlike most
2707 do_*() functions). */
2708 int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp)
2709 {
2710 int ret;
2711 TaskState *ts;
2712 uint8_t *new_stack;
2713 CPUState *new_env;
2714
2715 if (flags & CLONE_VM) {
2716 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2717 memset(ts, 0, sizeof(TaskState));
2718 new_stack = ts->stack;
2719 ts->used = 1;
2720 /* add in task state list */
2721 ts->next = first_task_state;
2722 first_task_state = ts;
2723 /* we create a new CPU instance. */
2724 new_env = cpu_copy(env);
2725 #if defined(TARGET_I386)
2726 if (!newsp)
2727 newsp = env->regs[R_ESP];
2728 new_env->regs[R_ESP] = newsp;
2729 new_env->regs[R_EAX] = 0;
2730 #elif defined(TARGET_ARM)
2731 if (!newsp)
2732 newsp = env->regs[13];
2733 new_env->regs[13] = newsp;
2734 new_env->regs[0] = 0;
2735 #elif defined(TARGET_SPARC)
2736 if (!newsp)
2737 newsp = env->regwptr[22];
2738 new_env->regwptr[22] = newsp;
2739 new_env->regwptr[0] = 0;
2740 /* XXXXX */
2741 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
2742 #elif defined(TARGET_M68K)
2743 if (!newsp)
2744 newsp = env->aregs[7];
2745 new_env->aregs[7] = newsp;
2746 new_env->dregs[0] = 0;
2747 /* ??? is this sufficient? */
2748 #elif defined(TARGET_MIPS)
2749 if (!newsp)
2750 newsp = env->gpr[29][env->current_tc];
2751 new_env->gpr[29][env->current_tc] = newsp;
2752 #elif defined(TARGET_PPC)
2753 if (!newsp)
2754 newsp = env->gpr[1];
2755 new_env->gpr[1] = newsp;
2756 {
2757 int i;
2758 for (i = 7; i < 32; i++)
2759 new_env->gpr[i] = 0;
2760 }
2761 #elif defined(TARGET_SH4)
2762 if (!newsp)
2763 newsp = env->gregs[15];
2764 new_env->gregs[15] = newsp;
2765 /* XXXXX */
2766 #elif defined(TARGET_ALPHA)
2767 if (!newsp)
2768 newsp = env->ir[30];
2769 new_env->ir[30] = newsp;
2770 /* ? */
2771 {
2772 int i;
2773 for (i = 7; i < 30; i++)
2774 new_env->ir[i] = 0;
2775 }
2776 #elif defined(TARGET_CRIS)
2777 if (!newsp)
2778 newsp = env->regs[14];
2779 new_env->regs[14] = newsp;
2780 #else
2781 #error unsupported target CPU
2782 #endif
2783 new_env->opaque = ts;
2784 #ifdef __ia64__
2785 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2786 #else
2787 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2788 #endif
2789 } else {
2790 /* if no CLONE_VM, we consider it is a fork */
2791 if ((flags & ~CSIGNAL) != 0)
2792 return -EINVAL;
2793 ret = fork();
2794 }
2795 return ret;
2796 }
2797
2798 static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
2799 {
2800 struct flock fl;
2801 struct target_flock *target_fl;
2802 struct flock64 fl64;
2803 struct target_flock64 *target_fl64;
2804 abi_long ret;
2805
2806 switch(cmd) {
2807 case TARGET_F_GETLK:
2808 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
2809 return -TARGET_EFAULT;
2810 fl.l_type = tswap16(target_fl->l_type);
2811 fl.l_whence = tswap16(target_fl->l_whence);
2812 fl.l_start = tswapl(target_fl->l_start);
2813 fl.l_len = tswapl(target_fl->l_len);
2814 fl.l_pid = tswapl(target_fl->l_pid);
2815 unlock_user_struct(target_fl, arg, 0);
2816 ret = get_errno(fcntl(fd, cmd, &fl));
2817 if (ret == 0) {
2818 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
2819 return -TARGET_EFAULT;
2820 target_fl->l_type = tswap16(fl.l_type);
2821 target_fl->l_whence = tswap16(fl.l_whence);
2822 target_fl->l_start = tswapl(fl.l_start);
2823 target_fl->l_len = tswapl(fl.l_len);
2824 target_fl->l_pid = tswapl(fl.l_pid);
2825 unlock_user_struct(target_fl, arg, 1);
2826 }
2827 break;
2828
2829 case TARGET_F_SETLK:
2830 case TARGET_F_SETLKW:
2831 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
2832 return -TARGET_EFAULT;
2833 fl.l_type = tswap16(target_fl->l_type);
2834 fl.l_whence = tswap16(target_fl->l_whence);
2835 fl.l_start = tswapl(target_fl->l_start);
2836 fl.l_len = tswapl(target_fl->l_len);
2837 fl.l_pid = tswapl(target_fl->l_pid);
2838 unlock_user_struct(target_fl, arg, 0);
2839 ret = get_errno(fcntl(fd, cmd, &fl));
2840 break;
2841
2842 case TARGET_F_GETLK64:
2843 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
2844 return -TARGET_EFAULT;
2845 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2846 fl64.l_whence = tswap16(target_fl64->l_whence);
2847 fl64.l_start = tswapl(target_fl64->l_start);
2848 fl64.l_len = tswapl(target_fl64->l_len);
2849 fl64.l_pid = tswap16(target_fl64->l_pid);
2850 unlock_user_struct(target_fl64, arg, 0);
2851 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
2852 if (ret == 0) {
2853 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
2854 return -TARGET_EFAULT;
2855 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2856 target_fl64->l_whence = tswap16(fl64.l_whence);
2857 target_fl64->l_start = tswapl(fl64.l_start);
2858 target_fl64->l_len = tswapl(fl64.l_len);
2859 target_fl64->l_pid = tswapl(fl64.l_pid);
2860 unlock_user_struct(target_fl64, arg, 1);
2861 }
2862 break;
2863 case TARGET_F_SETLK64:
2864 case TARGET_F_SETLKW64:
2865 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
2866 return -TARGET_EFAULT;
2867 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2868 fl64.l_whence = tswap16(target_fl64->l_whence);
2869 fl64.l_start = tswapl(target_fl64->l_start);
2870 fl64.l_len = tswapl(target_fl64->l_len);
2871 fl64.l_pid = tswap16(target_fl64->l_pid);
2872 unlock_user_struct(target_fl64, arg, 0);
2873 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
2874 break;
2875
2876 case F_GETFL:
2877 ret = get_errno(fcntl(fd, cmd, arg));
2878 if (ret >= 0) {
2879 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2880 }
2881 break;
2882
2883 case F_SETFL:
2884 ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
2885 break;
2886
2887 default:
2888 ret = get_errno(fcntl(fd, cmd, arg));
2889 break;
2890 }
2891 return ret;
2892 }
2893
2894 #ifdef USE_UID16
2895
2896 static inline int high2lowuid(int uid)
2897 {
2898 if (uid > 65535)
2899 return 65534;
2900 else
2901 return uid;
2902 }
2903
2904 static inline int high2lowgid(int gid)
2905 {
2906 if (gid > 65535)
2907 return 65534;
2908 else
2909 return gid;
2910 }
2911
2912 static inline int low2highuid(int uid)
2913 {
2914 if ((int16_t)uid == -1)
2915 return -1;
2916 else
2917 return uid;
2918 }
2919
2920 static inline int low2highgid(int gid)
2921 {
2922 if ((int16_t)gid == -1)
2923 return -1;
2924 else
2925 return gid;
2926 }
2927
2928 #endif /* USE_UID16 */
2929
2930 void syscall_init(void)
2931 {
2932 IOCTLEntry *ie;
2933 const argtype *arg_type;
2934 int size;
2935 int i;
2936
2937 #define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
2938 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
2939 #include "syscall_types.h"
2940 #undef STRUCT
2941 #undef STRUCT_SPECIAL
2942
2943 /* we patch the ioctl size if necessary. We rely on the fact that
2944 no ioctl has all the bits at '1' in the size field */
2945 ie = ioctl_entries;
2946 while (ie->target_cmd != 0) {
2947 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2948 TARGET_IOC_SIZEMASK) {
2949 arg_type = ie->arg_type;
2950 if (arg_type[0] != TYPE_PTR) {
2951 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2952 ie->target_cmd);
2953 exit(1);
2954 }
2955 arg_type++;
2956 size = thunk_type_size(arg_type, 0);
2957 ie->target_cmd = (ie->target_cmd &
2958 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2959 (size << TARGET_IOC_SIZESHIFT);
2960 }
2961
2962 /* Build target_to_host_errno_table[] table from
2963 * host_to_target_errno_table[]. */
2964 for (i=0; i < ERRNO_TABLE_SIZE; i++)
2965 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
2966
2967 /* automatic consistency check if same arch */
2968 #if defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)
2969 if (ie->target_cmd != ie->host_cmd) {
2970 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
2971 ie->target_cmd, ie->host_cmd);
2972 }
2973 #endif
2974 ie++;
2975 }
2976 }
2977
2978 #if TARGET_ABI_BITS == 32
2979 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2980 {
2981 #ifdef TARGET_WORDS_BIG_ENDIAN
2982 return ((uint64_t)word0 << 32) | word1;
2983 #else
2984 return ((uint64_t)word1 << 32) | word0;
2985 #endif
2986 }
2987 #else /* TARGET_ABI_BITS == 32 */
2988 static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
2989 {
2990 return word0;
2991 }
2992 #endif /* TARGET_ABI_BITS != 32 */
2993
2994 #ifdef TARGET_NR_truncate64
2995 static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
2996 abi_long arg2,
2997 abi_long arg3,
2998 abi_long arg4)
2999 {
3000 #ifdef TARGET_ARM
3001 if (((CPUARMState *)cpu_env)->eabi)
3002 {
3003 arg2 = arg3;
3004 arg3 = arg4;
3005 }
3006 #endif
3007 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3008 }
3009 #endif
3010
3011 #ifdef TARGET_NR_ftruncate64
3012 static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3013 abi_long arg2,
3014 abi_long arg3,
3015 abi_long arg4)
3016 {
3017 #ifdef TARGET_ARM
3018 if (((CPUARMState *)cpu_env)->eabi)
3019 {
3020 arg2 = arg3;
3021 arg3 = arg4;
3022 }
3023 #endif
3024 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3025 }
3026 #endif
3027
3028 static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3029 abi_ulong target_addr)
3030 {
3031 struct target_timespec *target_ts;
3032
3033 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3034 return -TARGET_EFAULT;
3035 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3036 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3037 unlock_user_struct(target_ts, target_addr, 0);
3038 }
3039
3040 static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3041 struct timespec *host_ts)
3042 {
3043 struct target_timespec *target_ts;
3044
3045 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3046 return -TARGET_EFAULT;
3047 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3048 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3049 unlock_user_struct(target_ts, target_addr, 1);
3050 }
3051
3052 /* do_syscall() should always have a single exit point at the end so
3053 that actions, such as logging of syscall results, can be performed.
3054 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
3055 abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
3056 abi_long arg2, abi_long arg3, abi_long arg4,
3057 abi_long arg5, abi_long arg6)
3058 {
3059 abi_long ret;
3060 struct stat st;
3061 struct statfs stfs;
3062 void *p;
3063
3064 #ifdef DEBUG
3065 gemu_log("syscall %d", num);
3066 #endif
3067 if(do_strace)
3068 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
3069
3070 switch(num) {
3071 case TARGET_NR_exit:
3072 #ifdef HAVE_GPROF
3073 _mcleanup();
3074 #endif
3075 gdb_exit(cpu_env, arg1);
3076 /* XXX: should free thread stack and CPU env */
3077 _exit(arg1);
3078 ret = 0; /* avoid warning */
3079 break;
3080 case TARGET_NR_read:
3081 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
3082 goto efault;
3083 ret = get_errno(read(arg1, p, arg3));
3084 unlock_user(p, arg2, ret);
3085 break;
3086 case TARGET_NR_write:
3087 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
3088 goto efault;
3089 ret = get_errno(write(arg1, p, arg3));
3090 unlock_user(p, arg2, 0);
3091 break;
3092 case TARGET_NR_open:
3093 if (!(p = lock_user_string(arg1)))
3094 goto efault;
3095 ret = get_errno(open(path(p),
3096 target_to_host_bitmask(arg2, fcntl_flags_tbl),
3097 arg3));
3098 unlock_user(p, arg1, 0);
3099 break;
3100 #if defined(TARGET_NR_openat) && defined(__NR_openat)
3101 case TARGET_NR_openat:
3102 if (!(p = lock_user_string(arg2)))
3103 goto efault;
3104 ret = get_errno(sys_openat(arg1,
3105 path(p),
3106 target_to_host_bitmask(arg3, fcntl_flags_tbl),
3107 arg4));
3108 unlock_user(p, arg2, 0);
3109 break;
3110 #endif
3111 case TARGET_NR_close:
3112 ret = get_errno(close(arg1));
3113 break;
3114 case TARGET_NR_brk:
3115 ret = do_brk(arg1);
3116 break;
3117 case TARGET_NR_fork:
3118 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
3119 break;
3120 #ifdef TARGET_NR_waitpid
3121 case TARGET_NR_waitpid:
3122 {
3123 int status;
3124 ret = get_errno(waitpid(arg1, &status, arg3));
3125 if (!is_error(ret) && arg2
3126 && put_user_s32(status, arg2))
3127 goto efault;
3128 }
3129 break;
3130 #endif
3131 #ifdef TARGET_NR_creat /* not on alpha */
3132 case TARGET_NR_creat:
3133 if (!(p = lock_user_string(arg1)))
3134 goto efault;
3135 ret = get_errno(creat(p, arg2));
3136 unlock_user(p, arg1, 0);
3137 break;
3138 #endif
3139 case TARGET_NR_link:
3140 {
3141 void * p2;
3142 p = lock_user_string(arg1);
3143 p2 = lock_user_string(arg2);
3144 if (!p || !p2)
3145 ret = -TARGET_EFAULT;
3146 else
3147 ret = get_errno(link(p, p2));
3148 unlock_user(p2, arg2, 0);
3149 unlock_user(p, arg1, 0);
3150 }
3151 break;
3152 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
3153 case TARGET_NR_linkat:
3154 {
3155 void * p2 = NULL;
3156 if (!arg2 || !arg4)
3157 goto efault;
3158 p = lock_user_string(arg2);
3159 p2 = lock_user_string(arg4);
3160 if (!p || !p2)
3161 ret = -TARGET_EFAULT;
3162 else
3163 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
3164 unlock_user(p, arg2, 0);
3165 unlock_user(p2, arg4, 0);
3166 }
3167 break;
3168 #endif
3169 case TARGET_NR_unlink:
3170 if (!(p = lock_user_string(arg1)))
3171 goto efault;
3172 ret = get_errno(unlink(p));
3173 unlock_user(p, arg1, 0);
3174 break;
3175 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
3176 case TARGET_NR_unlinkat:
3177 if (!(p = lock_user_string(arg2)))
3178 goto efault;
3179 ret = get_errno(sys_unlinkat(arg1, p, arg3));
3180 unlock_user(p, arg2, 0);
3181 break;
3182 #endif
3183 case TARGET_NR_execve:
3184 {
3185 char **argp, **envp;
3186 int argc, envc;
3187 abi_ulong gp;
3188 abi_ulong guest_argp;
3189 abi_ulong guest_envp;
3190 abi_ulong addr;
3191 char **q;
3192
3193 argc = 0;
3194 guest_argp = arg2;
3195 for (gp = guest_argp; ; gp += sizeof(abi_ulong)) {
3196 if (get_user_ual(addr, gp))
3197 goto efault;
3198 if (!addr)
3199 break;
3200 argc++;
3201 }
3202 envc = 0;
3203 guest_envp = arg3;
3204 for (gp = guest_envp; ; gp += sizeof(abi_ulong)) {
3205 if (get_user_ual(addr, gp))
3206 goto efault;
3207 if (!addr)
3208 break;
3209 envc++;
3210 }
3211
3212 argp = alloca((argc + 1) * sizeof(void *));
3213 envp = alloca((envc + 1) * sizeof(void *));
3214
3215 for (gp = guest_argp, q = argp; ;
3216 gp += sizeof(abi_ulong), q++) {
3217 if (get_user_ual(addr, gp))
3218 goto execve_efault;
3219 if (!addr)
3220 break;
3221 if (!(*q = lock_user_string(addr)))
3222 goto execve_efault;
3223 }
3224 *q = NULL;
3225
3226 for (gp = guest_envp, q = envp; ;
3227 gp += sizeof(abi_ulong), q++) {
3228 if (get_user_ual(addr, gp))
3229 goto execve_efault;
3230 if (!addr)
3231 break;
3232 if (!(*q = lock_user_string(addr)))
3233 goto execve_efault;
3234 }
3235 *q = NULL;
3236
3237 if (!(p = lock_user_string(arg1)))
3238 goto execve_efault;
3239 ret = get_errno(execve(p, argp, envp));
3240 unlock_user(p, arg1, 0);
3241
3242 goto execve_end;
3243
3244 execve_efault:
3245 ret = -TARGET_EFAULT;
3246
3247 execve_end:
3248 for (gp = guest_argp, q = argp; *q;
3249 gp += sizeof(abi_ulong), q++) {
3250 if (get_user_ual(addr, gp)
3251 || !addr)
3252 break;
3253 unlock_user(*q, addr, 0);
3254 }
3255 for (gp = guest_envp, q = envp; *q;
3256 gp += sizeof(abi_ulong), q++) {
3257 if (get_user_ual(addr, gp)
3258 || !addr)
3259 break;
3260 unlock_user(*q, addr, 0);
3261 }
3262 }
3263 break;
3264 case TARGET_NR_chdir:
3265 if (!(p = lock_user_string(arg1)))
3266 goto efault;
3267 ret = get_errno(chdir(p));
3268 unlock_user(p, arg1, 0);
3269 break;
3270 #ifdef TARGET_NR_time
3271 case TARGET_NR_time:
3272 {
3273 time_t host_time;
3274 ret = get_errno(time(&host_time));
3275 if (!is_error(ret)
3276 && arg1
3277 && put_user_sal(host_time, arg1))
3278 goto efault;
3279 }
3280 break;
3281 #endif
3282 case TARGET_NR_mknod:
3283 if (!(p = lock_user_string(arg1)))
3284 goto efault;
3285 ret = get_errno(mknod(p, arg2, arg3));
3286 unlock_user(p, arg1, 0);
3287 break;
3288 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
3289 case TARGET_NR_mknodat:
3290 if (!(p = lock_user_string(arg2)))
3291 goto efault;
3292 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
3293 unlock_user(p, arg2, 0);
3294 break;
3295 #endif
3296 case TARGET_NR_chmod:
3297 if (!(p = lock_user_string(arg1)))
3298 goto efault;
3299 ret = get_errno(chmod(p, arg2));
3300 unlock_user(p, arg1, 0);
3301 break;
3302 #ifdef TARGET_NR_break
3303 case TARGET_NR_break:
3304 goto unimplemented;
3305 #endif
3306 #ifdef TARGET_NR_oldstat
3307 case TARGET_NR_oldstat:
3308 goto unimplemented;
3309 #endif
3310 case TARGET_NR_lseek:
3311 ret = get_errno(lseek(arg1, arg2, arg3));
3312 break;
3313 #ifdef TARGET_NR_getxpid
3314 case TARGET_NR_getxpid:
3315 #else
3316 case TARGET_NR_getpid:
3317 #endif
3318 ret = get_errno(getpid());
3319 break;
3320 case TARGET_NR_mount:
3321 {
3322 /* need to look at the data field */
3323 void *p2, *p3;
3324 p = lock_user_string(arg1);
3325 p2 = lock_user_string(arg2);
3326 p3 = lock_user_string(arg3);
3327 if (!p || !p2 || !p3)
3328 ret = -TARGET_EFAULT;
3329 else
3330 /* FIXME - arg5 should be locked, but it isn't clear how to
3331 * do that since it's not guaranteed to be a NULL-terminated
3332 * string.
3333 */
3334 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
3335 unlock_user(p, arg1, 0);
3336 unlock_user(p2, arg2, 0);
3337 unlock_user(p3, arg3, 0);
3338 break;
3339 }
3340 #ifdef TARGET_NR_umount
3341 case TARGET_NR_umount:
3342 if (!(p = lock_user_string(arg1)))
3343 goto efault;
3344 ret = get_errno(umount(p));
3345 unlock_user(p, arg1, 0);
3346 break;
3347 #endif
3348 #ifdef TARGET_NR_stime /* not on alpha */
3349 case TARGET_NR_stime:
3350 {
3351 time_t host_time;
3352 if (get_user_sal(host_time, arg1))
3353 goto efault;
3354 ret = get_errno(stime(&host_time));
3355 }
3356 break;
3357 #endif
3358 case TARGET_NR_ptrace:
3359 goto unimplemented;
3360 #ifdef TARGET_NR_alarm /* not on alpha */
3361 case TARGET_NR_alarm:
3362 ret = alarm(arg1);
3363 break;
3364 #endif
3365 #ifdef TARGET_NR_oldfstat
3366 case TARGET_NR_oldfstat:
3367 goto unimplemented;
3368 #endif
3369 #ifdef TARGET_NR_pause /* not on alpha */
3370 case TARGET_NR_pause:
3371 ret = get_errno(pause());
3372 break;
3373 #endif
3374 #ifdef TARGET_NR_utime
3375 case TARGET_NR_utime:
3376 {
3377 struct utimbuf tbuf, *host_tbuf;
3378 struct target_utimbuf *target_tbuf;
3379 if (arg2) {
3380 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
3381 goto efault;
3382 tbuf.actime = tswapl(target_tbuf->actime);
3383 tbuf.modtime = tswapl(target_tbuf->modtime);
3384 unlock_user_struct(target_tbuf, arg2, 0);
3385 host_tbuf = &tbuf;
3386 } else {
3387 host_tbuf = NULL;
3388 }
3389 if (!(p = lock_user_string(arg1)))
3390 goto efault;
3391 ret = get_errno(utime(p, host_tbuf));
3392 unlock_user(p, arg1, 0);
3393 }
3394 break;
3395 #endif
3396 case TARGET_NR_utimes:
3397 {
3398 struct timeval *tvp, tv[2];
3399 if (arg2) {
3400 if (copy_from_user_timeval(&tv[0], arg2)
3401 || copy_from_user_timeval(&tv[1],
3402 arg2 + sizeof(struct target_timeval)))
3403 goto efault;
3404 tvp = tv;
3405 } else {
3406 tvp = NULL;
3407 }
3408 if (!(p = lock_user_string(arg1)))
3409 goto efault;
3410 ret = get_errno(utimes(p, tvp));
3411 unlock_user(p, arg1, 0);
3412 }
3413 break;
3414 #ifdef TARGET_NR_stty
3415 case TARGET_NR_stty:
3416 goto unimplemented;
3417 #endif
3418 #ifdef TARGET_NR_gtty
3419 case TARGET_NR_gtty:
3420 goto unimplemented;
3421 #endif
3422 case TARGET_NR_access:
3423 if (!(p = lock_user_string(arg1)))
3424 goto efault;
3425 ret = get_errno(access(p, arg2));
3426 unlock_user(p, arg1, 0);
3427 break;
3428 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
3429 case TARGET_NR_faccessat:
3430 if (!(p = lock_user_string(arg2)))
3431 goto efault;
3432 ret = get_errno(sys_faccessat(arg1, p, arg3, arg4));
3433 unlock_user(p, arg2, 0);
3434 break;
3435 #endif
3436 #ifdef TARGET_NR_nice /* not on alpha */
3437 case TARGET_NR_nice:
3438 ret = get_errno(nice(arg1));
3439 break;
3440 #endif
3441 #ifdef TARGET_NR_ftime
3442 case TARGET_NR_ftime:
3443 goto unimplemented;
3444 #endif
3445 case TARGET_NR_sync:
3446 sync();
3447 ret = 0;
3448 break;
3449 case TARGET_NR_kill:
3450 ret = get_errno(kill(arg1, arg2));
3451 break;
3452 case TARGET_NR_rename:
3453 {
3454 void *p2;
3455 p = lock_user_string(arg1);
3456 p2 = lock_user_string(arg2);
3457 if (!p || !p2)
3458 ret = -TARGET_EFAULT;
3459 else
3460 ret = get_errno(rename(p, p2));
3461 unlock_user(p2, arg2, 0);
3462 unlock_user(p, arg1, 0);
3463 }
3464 break;
3465 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
3466 case TARGET_NR_renameat:
3467 {
3468 void *p2;
3469 p = lock_user_string(arg2);
3470 p2 = lock_user_string(arg4);
3471 if (!p || !p2)
3472 ret = -TARGET_EFAULT;
3473 else
3474 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
3475 unlock_user(p2, arg4, 0);
3476 unlock_user(p, arg2, 0);
3477 }
3478 break;
3479 #endif
3480 case TARGET_NR_mkdir:
3481 if (!(p = lock_user_string(arg1)))
3482 goto efault;
3483 ret = get_errno(mkdir(p, arg2));
3484 unlock_user(p, arg1, 0);
3485 break;
3486 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
3487 case TARGET_NR_mkdirat:
3488 if (!(p = lock_user_string(arg2)))
3489 goto efault;
3490 ret = get_errno(sys_mkdirat(arg1, p, arg3));
3491 unlock_user(p, arg2, 0);
3492 break;
3493 #endif
3494 case TARGET_NR_rmdir:
3495 if (!(p = lock_user_string(arg1)))
3496 goto efault;
3497 ret = get_errno(rmdir(p));
3498 unlock_user(p, arg1, 0);
3499 break;
3500 case TARGET_NR_dup:
3501 ret = get_errno(dup(arg1));
3502 break;
3503 case TARGET_NR_pipe:
3504 {
3505 int host_pipe[2];
3506 ret = get_errno(pipe(host_pipe));
3507 if (!is_error(ret)) {
3508 #if defined(TARGET_MIPS)
3509 CPUMIPSState *env = (CPUMIPSState*)cpu_env;
3510 env->gpr[3][env->current_tc] = host_pipe[1];
3511 ret = host_pipe[0];
3512 #else
3513 if (put_user_s32(host_pipe[0], arg1)
3514 || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0])))
3515 goto efault;
3516 #endif
3517 }
3518 }
3519 break;
3520 case TARGET_NR_times:
3521 {
3522 struct target_tms *tmsp;
3523 struct tms tms;
3524 ret = get_errno(times(&tms));
3525 if (arg1) {
3526 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
3527 if (!tmsp)
3528 goto efault;
3529 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
3530 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
3531 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
3532 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
3533 }
3534 if (!is_error(ret))
3535 ret = host_to_target_clock_t(ret);
3536 }
3537 break;
3538 #ifdef TARGET_NR_prof
3539 case TARGET_NR_prof:
3540 goto unimplemented;
3541 #endif
3542 #ifdef TARGET_NR_signal
3543 case TARGET_NR_signal:
3544 goto unimplemented;
3545 #endif
3546 case TARGET_NR_acct:
3547 if (!(p = lock_user_string(arg1)))
3548 goto efault;
3549 ret = get_errno(acct(path(p)));
3550 unlock_user(p, arg1, 0);
3551 break;
3552 #ifdef TARGET_NR_umount2 /* not on alpha */
3553 case TARGET_NR_umount2:
3554 if (!(p = lock_user_string(arg1)))
3555 goto efault;
3556 ret = get_errno(umount2(p, arg2));
3557 unlock_user(p, arg1, 0);
3558 break;
3559 #endif
3560 #ifdef TARGET_NR_lock
3561 case TARGET_NR_lock:
3562 goto unimplemented;
3563 #endif
3564 case TARGET_NR_ioctl:
3565 ret = do_ioctl(arg1, arg2, arg3);
3566 break;
3567 case TARGET_NR_fcntl:
3568 ret = do_fcntl(arg1, arg2, arg3);
3569 break;
3570 #ifdef TARGET_NR_mpx
3571 case TARGET_NR_mpx:
3572 goto unimplemented;
3573 #endif
3574 case TARGET_NR_setpgid:
3575 ret = get_errno(setpgid(arg1, arg2));
3576 break;
3577 #ifdef TARGET_NR_ulimit
3578 case TARGET_NR_ulimit:
3579 goto unimplemented;
3580 #endif
3581 #ifdef TARGET_NR_oldolduname
3582 case TARGET_NR_oldolduname:
3583 goto unimplemented;
3584 #endif
3585 case TARGET_NR_umask:
3586 ret = get_errno(umask(arg1));
3587 break;
3588 case TARGET_NR_chroot:
3589 if (!(p = lock_user_string(arg1)))
3590 goto efault;
3591 ret = get_errno(chroot(p));
3592 unlock_user(p, arg1, 0);
3593 break;
3594 case TARGET_NR_ustat:
3595 goto unimplemented;
3596 case TARGET_NR_dup2:
3597 ret = get_errno(dup2(arg1, arg2));
3598 break;
3599 #ifdef TARGET_NR_getppid /* not on alpha */
3600 case TARGET_NR_getppid:
3601 ret = get_errno(getppid());
3602 break;
3603 #endif
3604 case TARGET_NR_getpgrp:
3605 ret = get_errno(getpgrp());
3606 break;
3607 case TARGET_NR_setsid:
3608 ret = get_errno(setsid());
3609 break;
3610 #ifdef TARGET_NR_sigaction
3611 case TARGET_NR_sigaction:
3612 {
3613 #if !defined(TARGET_MIPS)
3614 struct target_old_sigaction *old_act;
3615 struct target_sigaction act, oact, *pact;
3616 if (arg2) {
3617 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
3618 goto efault;
3619 act._sa_handler = old_act->_sa_handler;
3620 target_siginitset(&act.sa_mask, old_act->sa_mask);
3621 act.sa_flags = old_act->sa_flags;
3622 act.sa_restorer = old_act->sa_restorer;
3623 unlock_user_struct(old_act, arg2, 0);
3624 pact = &act;
3625 } else {
3626 pact = NULL;
3627 }
3628 ret = get_errno(do_sigaction(arg1, pact, &oact));
3629 if (!is_error(ret) && arg3) {
3630 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
3631 goto efault;
3632 old_act->_sa_handler = oact._sa_handler;
3633 old_act->sa_mask = oact.sa_mask.sig[0];
3634 old_act->sa_flags = oact.sa_flags;
3635 old_act->sa_restorer = oact.sa_restorer;
3636 unlock_user_struct(old_act, arg3, 1);
3637 }
3638 #else
3639 struct target_sigaction act, oact, *pact, *old_act;
3640
3641 if (arg2) {
3642 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
3643 goto efault;
3644 act._sa_handler = old_act->_sa_handler;
3645 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
3646 act.sa_flags = old_act->sa_flags;
3647 unlock_user_struct(old_act, arg2, 0);
3648 pact = &act;
3649 } else {
3650 pact = NULL;
3651 }
3652
3653 ret = get_errno(do_sigaction(arg1, pact, &oact));
3654
3655 if (!is_error(ret) && arg3) {
3656 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
3657 goto efault;
3658 old_act->_sa_handler = oact._sa_handler;
3659 old_act->sa_flags = oact.sa_flags;
3660 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
3661 old_act->sa_mask.sig[1] = 0;
3662 old_act->sa_mask.sig[2] = 0;
3663 old_act->sa_mask.sig[3] = 0;
3664 unlock_user_struct(old_act, arg3, 1);
3665 }
3666 #endif
3667 }
3668 break;
3669 #endif
3670 case TARGET_NR_rt_sigaction:
3671 {
3672 struct target_sigaction *act;
3673 struct target_sigaction *oact;
3674
3675 if (arg2) {
3676 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
3677 goto efault;
3678 } else
3679 act = NULL;
3680 if (arg3) {
3681 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
3682 ret = -TARGET_EFAULT;
3683 goto rt_sigaction_fail;
3684 }
3685 } else
3686 oact = NULL;
3687 ret = get_errno(do_sigaction(arg1, act, oact));
3688 rt_sigaction_fail:
3689 if (act)
3690 unlock_user_struct(act, arg2, 0);
3691 if (oact)
3692 unlock_user_struct(oact, arg3, 1);
3693 }
3694 break;
3695 #ifdef TARGET_NR_sgetmask /* not on alpha */
3696 case TARGET_NR_sgetmask:
3697 {
3698 sigset_t cur_set;
3699 abi_ulong target_set;
3700 sigprocmask(0, NULL, &cur_set);
3701 host_to_target_old_sigset(&target_set, &cur_set);
3702 ret = target_set;
3703 }
3704 break;
3705 #endif
3706 #ifdef TARGET_NR_ssetmask /* not on alpha */
3707 case TARGET_NR_ssetmask:
3708 {
3709 sigset_t set, oset, cur_set;
3710 abi_ulong target_set = arg1;
3711 sigprocmask(0, NULL, &cur_set);
3712 target_to_host_old_sigset(&set, &target_set);
3713 sigorset(&set, &set, &cur_set);
3714 sigprocmask(SIG_SETMASK, &set, &oset);
3715 host_to_target_old_sigset(&target_set, &oset);
3716 ret = target_set;
3717 }
3718 break;
3719 #endif
3720 #ifdef TARGET_NR_sigprocmask
3721 case TARGET_NR_sigprocmask:
3722 {
3723 int how = arg1;
3724 sigset_t set, oldset, *set_ptr;
3725
3726 if (arg2) {
3727 switch(how) {
3728 case TARGET_SIG_BLOCK:
3729 how = SIG_BLOCK;
3730 break;
3731 case TARGET_SIG_UNBLOCK:
3732 how = SIG_UNBLOCK;
3733 break;
3734 case TARGET_SIG_SETMASK:
3735 how = SIG_SETMASK;
3736 break;
3737 default:
3738 ret = -TARGET_EINVAL;
3739 goto fail;
3740 }
3741 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
3742 goto efault;
3743 target_to_host_old_sigset(&set, p);
3744 unlock_user(p, arg2, 0);
3745 set_ptr = &set;
3746 } else {
3747 how = 0;
3748 set_ptr = NULL;
3749 }
3750 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
3751 if (!is_error(ret) && arg3) {
3752 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
3753 goto efault;
3754 host_to_target_old_sigset(p, &oldset);
3755 unlock_user(p, arg3, sizeof(target_sigset_t));
3756 }
3757 }
3758 break;
3759 #endif
3760 case TARGET_NR_rt_sigprocmask:
3761 {
3762 int how = arg1;
3763 sigset_t set, oldset, *set_ptr;
3764
3765 if (arg2) {
3766 switch(how) {
3767 case TARGET_SIG_BLOCK:
3768 how = SIG_BLOCK;
3769 break;
3770 case TARGET_SIG_UNBLOCK:
3771 how = SIG_UNBLOCK;
3772 break;
3773 case TARGET_SIG_SETMASK:
3774 how = SIG_SETMASK;
3775 break;
3776 default:
3777 ret = -TARGET_EINVAL;
3778 goto fail;
3779 }
3780 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
3781 goto efault;
3782 target_to_host_sigset(&set, p);
3783 unlock_user(p, arg2, 0);
3784 set_ptr = &set;
3785 } else {
3786 how = 0;
3787 set_ptr = NULL;
3788 }
3789 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
3790 if (!is_error(ret) && arg3) {
3791 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
3792 goto efault;
3793 host_to_target_sigset(p, &oldset);
3794 unlock_user(p, arg3, sizeof(target_sigset_t));
3795 }
3796 }
3797 break;
3798 #ifdef TARGET_NR_sigpending
3799 case TARGET_NR_sigpending:
3800 {
3801 sigset_t set;
3802 ret = get_errno(sigpending(&set));
3803 if (!is_error(ret)) {
3804 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
3805 goto efault;
3806 host_to_target_old_sigset(p, &set);
3807 unlock_user(p, arg1, sizeof(target_sigset_t));
3808 }
3809 }
3810 break;
3811 #endif
3812 case TARGET_NR_rt_sigpending:
3813 {
3814 sigset_t set;
3815 ret = get_errno(sigpending(&set));
3816 if (!is_error(ret)) {
3817 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
3818 goto efault;
3819 host_to_target_sigset(p, &set);
3820 unlock_user(p, arg1, sizeof(target_sigset_t));
3821 }
3822 }
3823 break;
3824 #ifdef TARGET_NR_sigsuspend
3825 case TARGET_NR_sigsuspend:
3826 {
3827 sigset_t set;
3828 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
3829 goto efault;
3830 target_to_host_old_sigset(&set, p);
3831 unlock_user(p, arg1, 0);
3832 ret = get_errno(sigsuspend(&set));
3833 }
3834 break;
3835 #endif
3836 case TARGET_NR_rt_sigsuspend:
3837 {
3838 sigset_t set;
3839 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
3840 goto efault;
3841 target_to_host_sigset(&set, p);
3842 unlock_user(p, arg1, 0);
3843 ret = get_errno(sigsuspend(&set));
3844 }
3845 break;
3846 case TARGET_NR_rt_sigtimedwait:
3847 {
3848 sigset_t set;
3849 struct timespec uts, *puts;
3850 siginfo_t uinfo;
3851
3852 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
3853 goto efault;
3854 target_to_host_sigset(&set, p);
3855 unlock_user(p, arg1, 0);
3856 if (arg3) {
3857 puts = &uts;
3858 target_to_host_timespec(puts, arg3);
3859 } else {
3860 puts = NULL;
3861 }
3862 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
3863 if (!is_error(ret) && arg2) {
3864 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_sigset_t), 0)))
3865 goto efault;
3866 host_to_target_siginfo(p, &uinfo);
3867 unlock_user(p, arg2, sizeof(target_sigset_t));
3868 }
3869 }
3870 break;
3871 case TARGET_NR_rt_sigqueueinfo:
3872 {
3873 siginfo_t uinfo;
3874 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
3875 goto efault;
3876 target_to_host_siginfo(&uinfo, p);
3877 unlock_user(p, arg1, 0);
3878 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3879 }
3880 break;
3881 #ifdef TARGET_NR_sigreturn
3882 case TARGET_NR_sigreturn:
3883 /* NOTE: ret is eax, so not transcoding must be done */
3884 ret = do_sigreturn(cpu_env);
3885 break;
3886 #endif
3887 case TARGET_NR_rt_sigreturn:
3888 /* NOTE: ret is eax, so not transcoding must be done */
3889 ret = do_rt_sigreturn(cpu_env);
3890 break;
3891 case TARGET_NR_sethostname:
3892 if (!(p = lock_user_string(arg1)))
3893 goto efault;
3894 ret = get_errno(sethostname(p, arg2));
3895 unlock_user(p, arg1, 0);
3896 break;
3897 case TARGET_NR_setrlimit:
3898 {
3899 /* XXX: convert resource ? */
3900 int resource = arg1;
3901 struct target_rlimit *target_rlim;
3902 struct rlimit rlim;
3903 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
3904 goto efault;
3905 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3906 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3907 unlock_user_struct(target_rlim, arg2, 0);
3908 ret = get_errno(setrlimit(resource, &rlim));
3909 }
3910 break;
3911 case TARGET_NR_getrlimit:
3912 {
3913 /* XXX: convert resource ? */
3914 int resource = arg1;
3915 struct target_rlimit *target_rlim;
3916 struct rlimit rlim;
3917
3918 ret = get_errno(getrlimit(resource, &rlim));
3919 if (!is_error(ret)) {
3920 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
3921 goto efault;
3922 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3923 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3924 unlock_user_struct(target_rlim, arg2, 1);
3925 }
3926 }
3927 break;
3928 case TARGET_NR_getrusage:
3929 {
3930 struct rusage rusage;
3931 ret = get_errno(getrusage(arg1, &rusage));
3932 if (!is_error(ret)) {
3933 host_to_target_rusage(arg2, &rusage);
3934 }
3935 }
3936 break;
3937 case TARGET_NR_gettimeofday:
3938 {
3939 struct timeval tv;
3940 ret = get_errno(gettimeofday(&tv, NULL));
3941 if (!is_error(ret)) {
3942 if (copy_to_user_timeval(arg1, &tv))
3943 goto efault;
3944 }
3945 }
3946 break;
3947 case TARGET_NR_settimeofday:
3948 {
3949 struct timeval tv;
3950 if (copy_from_user_timeval(&tv, arg1))
3951 goto efault;
3952 ret = get_errno(settimeofday(&tv, NULL));
3953 }
3954 break;
3955 #ifdef TARGET_NR_select
3956 case TARGET_NR_select:
3957 {
3958 struct target_sel_arg_struct *sel;
3959 abi_ulong inp, outp, exp, tvp;
3960 long nsel;
3961
3962 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
3963 goto efault;
3964 nsel = tswapl(sel->n);
3965 inp = tswapl(sel->inp);
3966 outp = tswapl(sel->outp);
3967 exp = tswapl(sel->exp);
3968 tvp = tswapl(sel->tvp);
3969 unlock_user_struct(sel, arg1, 0);
3970 ret = do_select(nsel, inp, outp, exp, tvp);
3971 }
3972 break;
3973 #endif
3974 case TARGET_NR_symlink:
3975 {
3976 void *p2;
3977 p = lock_user_string(arg1);
3978 p2 = lock_user_string(arg2);
3979 if (!p || !p2)
3980 ret = -TARGET_EFAULT;
3981 else
3982 ret = get_errno(symlink(p, p2));
3983 unlock_user(p2, arg2, 0);
3984 unlock_user(p, arg1, 0);
3985 }
3986 break;
3987 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
3988 case TARGET_NR_symlinkat:
3989 {
3990 void *p2;
3991 p = lock_user_string(arg1);
3992 p2 = lock_user_string(arg3);
3993 if (!p || !p2)
3994 ret = -TARGET_EFAULT;
3995 else
3996 ret = get_errno(sys_symlinkat(p, arg2, p2));
3997 unlock_user(p2, arg3, 0);
3998 unlock_user(p, arg1, 0);
3999 }
4000 break;
4001 #endif
4002 #ifdef TARGET_NR_oldlstat
4003 case TARGET_NR_oldlstat:
4004 goto unimplemented;
4005 #endif
4006 case TARGET_NR_readlink:
4007 {
4008 void *p2;
4009 p = lock_user_string(arg1);
4010 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
4011 if (!p || !p2)
4012 ret = -TARGET_EFAULT;
4013 else
4014 ret = get_errno(readlink(path(p), p2, arg3));
4015 unlock_user(p2, arg2, ret);
4016 unlock_user(p, arg1, 0);
4017 }
4018 break;
4019 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
4020 case TARGET_NR_readlinkat:
4021 {
4022 void *p2;
4023 p = lock_user_string(arg2);
4024 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
4025 if (!p || !p2)
4026 ret = -TARGET_EFAULT;
4027 else
4028 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
4029 unlock_user(p2, arg3, ret);
4030 unlock_user(p, arg2, 0);
4031 }
4032 break;
4033 #endif
4034 #ifdef TARGET_NR_uselib
4035 case TARGET_NR_uselib:
4036 goto unimplemented;
4037 #endif
4038 #ifdef TARGET_NR_swapon
4039 case TARGET_NR_swapon:
4040 if (!(p = lock_user_string(arg1)))
4041 goto efault;
4042 ret = get_errno(swapon(p, arg2));
4043 unlock_user(p, arg1, 0);
4044 break;
4045 #endif
4046 case TARGET_NR_reboot:
4047 goto unimplemented;
4048 #ifdef TARGET_NR_readdir
4049 case TARGET_NR_readdir:
4050 goto unimplemented;
4051 #endif
4052 #ifdef TARGET_NR_mmap
4053 case TARGET_NR_mmap:
4054 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
4055 {
4056 abi_ulong *v;
4057 abi_ulong v1, v2, v3, v4, v5, v6;
4058 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
4059 goto efault;
4060 v1 = tswapl(v[0]);
4061 v2 = tswapl(v[1]);
4062 v3 = tswapl(v[2]);
4063 v4 = tswapl(v[3]);
4064 v5 = tswapl(v[4]);
4065 v6 = tswapl(v[5]);
4066 unlock_user(v, arg1, 0);
4067 ret = get_errno(target_mmap(v1, v2, v3,
4068 target_to_host_bitmask(v4, mmap_flags_tbl),
4069 v5, v6));
4070 }
4071 #else
4072 ret = get_errno(target_mmap(arg1, arg2, arg3,
4073 target_to_host_bitmask(arg4, mmap_flags_tbl),
4074 arg5,
4075 arg6));
4076 #endif
4077 break;
4078 #endif
4079 #ifdef TARGET_NR_mmap2
4080 case TARGET_NR_mmap2:
4081 #if defined(TARGET_SPARC) || defined(TARGET_MIPS)
4082 #define MMAP_SHIFT 12
4083 #else
4084 #define MMAP_SHIFT TARGET_PAGE_BITS
4085 #endif
4086 ret = get_errno(target_mmap(arg1, arg2, arg3,
4087 target_to_host_bitmask(arg4, mmap_flags_tbl),
4088 arg5,
4089 arg6 << MMAP_SHIFT));
4090 break;
4091 #endif
4092 case TARGET_NR_munmap:
4093 ret = get_errno(target_munmap(arg1, arg2));
4094 break;
4095 case TARGET_NR_mprotect:
4096 ret = get_errno(target_mprotect(arg1, arg2, arg3));
4097 break;
4098 #ifdef TARGET_NR_mremap
4099 case TARGET_NR_mremap:
4100 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
4101 break;
4102 #endif
4103 /* ??? msync/mlock/munlock are broken for softmmu. */
4104 #ifdef TARGET_NR_msync
4105 case TARGET_NR_msync:
4106 ret = get_errno(msync(g2h(arg1), arg2, arg3));
4107 break;
4108 #endif
4109 #ifdef TARGET_NR_mlock
4110 case TARGET_NR_mlock:
4111 ret = get_errno(mlock(g2h(arg1), arg2));
4112 break;
4113 #endif
4114 #ifdef TARGET_NR_munlock
4115 case TARGET_NR_munlock:
4116 ret = get_errno(munlock(g2h(arg1), arg2));
4117 break;
4118 #endif
4119 #ifdef TARGET_NR_mlockall
4120 case TARGET_NR_mlockall:
4121 ret = get_errno(mlockall(arg1));
4122 break;
4123 #endif
4124 #ifdef TARGET_NR_munlockall
4125 case TARGET_NR_munlockall:
4126 ret = get_errno(munlockall());
4127 break;
4128 #endif
4129 case TARGET_NR_truncate:
4130 if (!(p = lock_user_string(arg1)))
4131 goto efault;
4132 ret = get_errno(truncate(p, arg2));
4133 unlock_user(p, arg1, 0);
4134 break;
4135 case TARGET_NR_ftruncate:
4136 ret = get_errno(ftruncate(arg1, arg2));
4137 break;
4138 case TARGET_NR_fchmod:
4139 ret = get_errno(fchmod(arg1, arg2));
4140 break;
4141 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
4142 case TARGET_NR_fchmodat:
4143 if (!(p = lock_user_string(arg2)))
4144 goto efault;
4145 ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4));
4146 unlock_user(p, arg2, 0);
4147 break;
4148 #endif
4149 case TARGET_NR_getpriority:
4150 /* libc does special remapping of the return value of
4151 * sys_getpriority() so it's just easiest to call
4152 * sys_getpriority() directly rather than through libc. */
4153 ret = sys_getpriority(arg1, arg2);
4154 break;
4155 case TARGET_NR_setpriority:
4156 ret = get_errno(setpriority(arg1, arg2, arg3));
4157 break;
4158 #ifdef TARGET_NR_profil
4159 case TARGET_NR_profil:
4160 goto unimplemented;
4161 #endif
4162 case TARGET_NR_statfs:
4163 if (!(p = lock_user_string(arg1)))
4164 goto efault;
4165 ret = get_errno(statfs(path(p), &stfs));
4166 unlock_user(p, arg1, 0);
4167 convert_statfs:
4168 if (!is_error(ret)) {
4169 struct target_statfs *target_stfs;
4170
4171 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
4172 goto efault;
4173 __put_user(stfs.f_type, &target_stfs->f_type);
4174 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4175 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4176 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4177 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4178 __put_user(stfs.f_files, &target_stfs->f_files);
4179 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4180 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4181 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4182 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
4183 unlock_user_struct(target_stfs, arg2, 1);
4184 }
4185 break;
4186 case TARGET_NR_fstatfs:
4187 ret = get_errno(fstatfs(arg1, &stfs));
4188 goto convert_statfs;
4189 #ifdef TARGET_NR_statfs64
4190 case TARGET_NR_statfs64:
4191 if (!(p = lock_user_string(arg1)))
4192 goto efault;
4193 ret = get_errno(statfs(path(p), &stfs));
4194 unlock_user(p, arg1, 0);
4195 convert_statfs64:
4196 if (!is_error(ret)) {
4197 struct target_statfs64 *target_stfs;
4198
4199 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
4200 goto efault;
4201 __put_user(stfs.f_type, &target_stfs->f_type);
4202 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4203 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4204 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4205 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4206 __put_user(stfs.f_files, &target_stfs->f_files);
4207 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4208 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4209 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4210 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
4211 unlock_user_struct(target_stfs, arg3, 1);
4212 }
4213 break;
4214 case TARGET_NR_fstatfs64:
4215 ret = get_errno(fstatfs(arg1, &stfs));
4216 goto convert_statfs64;
4217 #endif
4218 #ifdef TARGET_NR_ioperm
4219 case TARGET_NR_ioperm:
4220 goto unimplemented;
4221 #endif
4222 #ifdef TARGET_NR_socketcall
4223 case TARGET_NR_socketcall:
4224 ret = do_socketcall(arg1, arg2);
4225 break;
4226 #endif
4227 #ifdef TARGET_NR_accept
4228 case TARGET_NR_accept:
4229 ret = do_accept(arg1, arg2, arg3);
4230 break;
4231 #endif
4232 #ifdef TARGET_NR_bind
4233 case TARGET_NR_bind:
4234 ret = do_bind(arg1, arg2, arg3);
4235 break;
4236 #endif
4237 #ifdef TARGET_NR_connect
4238 case TARGET_NR_connect:
4239 ret = do_connect(arg1, arg2, arg3);
4240 break;
4241 #endif
4242 #ifdef TARGET_NR_getpeername
4243 case TARGET_NR_getpeername:
4244 ret = do_getpeername(arg1, arg2, arg3);
4245 break;
4246 #endif
4247 #ifdef TARGET_NR_getsockname
4248 case TARGET_NR_getsockname:
4249 ret = do_getsockname(arg1, arg2, arg3);
4250 break;
4251 #endif
4252 #ifdef TARGET_NR_getsockopt
4253 case TARGET_NR_getsockopt:
4254 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
4255 break;
4256 #endif
4257 #ifdef TARGET_NR_listen
4258 case TARGET_NR_listen:
4259 ret = get_errno(listen(arg1, arg2));
4260 break;
4261 #endif
4262 #ifdef TARGET_NR_recv
4263 case TARGET_NR_recv:
4264 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
4265 break;
4266 #endif
4267 #ifdef TARGET_NR_recvfrom
4268 case TARGET_NR_recvfrom:
4269 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
4270 break;
4271 #endif
4272 #ifdef TARGET_NR_recvmsg
4273 case TARGET_NR_recvmsg:
4274 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
4275 break;
4276 #endif
4277 #ifdef TARGET_NR_send
4278 case TARGET_NR_send:
4279 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
4280 break;
4281 #endif
4282 #ifdef TARGET_NR_sendmsg
4283 case TARGET_NR_sendmsg:
4284 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
4285 break;
4286 #endif
4287 #ifdef TARGET_NR_sendto
4288 case TARGET_NR_sendto:
4289 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
4290 break;
4291 #endif
4292 #ifdef TARGET_NR_shutdown
4293 case TARGET_NR_shutdown:
4294 ret = get_errno(shutdown(arg1, arg2));
4295 break;
4296 #endif
4297 #ifdef TARGET_NR_socket
4298 case TARGET_NR_socket:
4299 ret = do_socket(arg1, arg2, arg3);
4300 break;
4301 #endif
4302 #ifdef TARGET_NR_socketpair
4303 case TARGET_NR_socketpair:
4304 ret = do_socketpair(arg1, arg2, arg3, arg4);
4305 break;
4306 #endif
4307 #ifdef TARGET_NR_setsockopt
4308 case TARGET_NR_setsockopt:
4309 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
4310 break;
4311 #endif
4312
4313 case TARGET_NR_syslog:
4314 if (!(p = lock_user_string(arg2)))
4315 goto efault;
4316 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
4317 unlock_user(p, arg2, 0);
4318 break;
4319
4320 case TARGET_NR_setitimer:
4321 {
4322 struct itimerval value, ovalue, *pvalue;
4323
4324 if (arg2) {
4325 pvalue = &value;
4326 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
4327 || copy_from_user_timeval(&pvalue->it_value,
4328 arg2 + sizeof(struct target_timeval)))
4329 goto efault;
4330 } else {
4331 pvalue = NULL;
4332 }
4333 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
4334 if (!is_error(ret) && arg3) {
4335 if (copy_to_user_timeval(arg3,
4336 &ovalue.it_interval)
4337 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
4338 &ovalue.it_value))
4339 goto efault;
4340 }
4341 }
4342 break;
4343 case TARGET_NR_getitimer:
4344 {
4345 struct itimerval value;
4346
4347 ret = get_errno(getitimer(arg1, &value));
4348 if (!is_error(ret) && arg2) {
4349 if (copy_to_user_timeval(arg2,
4350 &value.it_interval)
4351 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
4352 &value.it_value))
4353 goto efault;
4354 }
4355 }
4356 break;
4357 case TARGET_NR_stat:
4358 if (!(p = lock_user_string(arg1)))
4359 goto efault;
4360 ret = get_errno(stat(path(p), &st));
4361 unlock_user(p, arg1, 0);
4362 goto do_stat;
4363 case TARGET_NR_lstat:
4364 if (!(p = lock_user_string(arg1)))
4365 goto efault;
4366 ret = get_errno(lstat(path(p), &st));
4367 unlock_user(p, arg1, 0);
4368 goto do_stat;
4369 case TARGET_NR_fstat:
4370 {
4371 ret = get_errno(fstat(arg1, &st));
4372 do_stat:
4373 if (!is_error(ret)) {
4374 struct target_stat *target_st;
4375
4376 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
4377 goto efault;
4378 __put_user(st.st_dev, &target_st->st_dev);
4379 __put_user(st.st_ino, &target_st->st_ino);
4380 __put_user(st.st_mode, &target_st->st_mode);
4381 __put_user(st.st_uid, &target_st->st_uid);
4382 __put_user(st.st_gid, &target_st->st_gid);
4383 __put_user(st.st_nlink, &target_st->st_nlink);
4384 __put_user(st.st_rdev, &target_st->st_rdev);
4385 __put_user(st.st_size, &target_st->st_size);
4386 __put_user(st.st_blksize, &target_st->st_blksize);
4387 __put_user(st.st_blocks, &target_st->st_blocks);
4388 __put_user(st.st_atime, &target_st->target_st_atime);
4389 __put_user(st.st_mtime, &target_st->target_st_mtime);
4390 __put_user(st.st_ctime, &target_st->target_st_ctime);
4391 unlock_user_struct(target_st, arg2, 1);
4392 }
4393 }
4394 break;
4395 #ifdef TARGET_NR_olduname
4396 case TARGET_NR_olduname:
4397 goto unimplemented;
4398 #endif
4399 #ifdef TARGET_NR_iopl
4400 case TARGET_NR_iopl:
4401 goto unimplemented;
4402 #endif
4403 case TARGET_NR_vhangup:
4404 ret = get_errno(vhangup());
4405 break;
4406 #ifdef TARGET_NR_idle
4407 case TARGET_NR_idle:
4408 goto unimplemented;
4409 #endif
4410 #ifdef TARGET_NR_syscall
4411 case TARGET_NR_syscall:
4412 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
4413 break;
4414 #endif
4415 case TARGET_NR_wait4:
4416 {
4417 int status;
4418 abi_long status_ptr = arg2;
4419 struct rusage rusage, *rusage_ptr;
4420 abi_ulong target_rusage = arg4;
4421 if (target_rusage)
4422 rusage_ptr = &rusage;
4423 else
4424 rusage_ptr = NULL;
4425 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
4426 if (!is_error(ret)) {
4427 if (status_ptr) {
4428 if (put_user_s32(status, status_ptr))
4429 goto efault;
4430 }
4431 if (target_rusage)
4432 host_to_target_rusage(target_rusage, &rusage);
4433 }
4434 }
4435 break;
4436 #ifdef TARGET_NR_swapoff
4437 case TARGET_NR_swapoff:
4438 if (!(p = lock_user_string(arg1)))
4439 goto efault;
4440 ret = get_errno(swapoff(p));
4441 unlock_user(p, arg1, 0);
4442 break;
4443 #endif
4444 case TARGET_NR_sysinfo:
4445 {
4446 struct target_sysinfo *target_value;
4447 struct sysinfo value;
4448 ret = get_errno(sysinfo(&value));
4449 if (!is_error(ret) && arg1)
4450 {
4451 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
4452 goto efault;
4453 __put_user(value.uptime, &target_value->uptime);
4454 __put_user(value.loads[0], &target_value->loads[0]);
4455 __put_user(value.loads[1], &target_value->loads[1]);
4456 __put_user(value.loads[2], &target_value->loads[2]);
4457 __put_user(value.totalram, &target_value->totalram);
4458 __put_user(value.freeram, &target_value->freeram);
4459 __put_user(value.sharedram, &target_value->sharedram);
4460 __put_user(value.bufferram, &target_value->bufferram);
4461 __put_user(value.totalswap, &target_value->totalswap);
4462 __put_user(value.freeswap, &target_value->freeswap);
4463 __put_user(value.procs, &target_value->procs);
4464 __put_user(value.totalhigh, &target_value->totalhigh);
4465 __put_user(value.freehigh, &target_value->freehigh);
4466 __put_user(value.mem_unit, &target_value->mem_unit);
4467 unlock_user_struct(target_value, arg1, 1);
4468 }
4469 }
4470 break;
4471 #ifdef TARGET_NR_ipc
4472 case TARGET_NR_ipc:
4473 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
4474 break;
4475 #endif
4476 case TARGET_NR_fsync:
4477 ret = get_errno(fsync(arg1));
4478 break;
4479 case TARGET_NR_clone:
4480 ret = get_errno(do_fork(cpu_env, arg1, arg2));
4481 break;
4482 #ifdef __NR_exit_group
4483 /* new thread calls */
4484 case TARGET_NR_exit_group:
4485 gdb_exit(cpu_env, arg1);
4486 ret = get_errno(exit_group(arg1));
4487 break;
4488 #endif
4489 case TARGET_NR_setdomainname:
4490 if (!(p = lock_user_string(arg1)))
4491 goto efault;
4492 ret = get_errno(setdomainname(p, arg2));
4493 unlock_user(p, arg1, 0);
4494 break;
4495 case TARGET_NR_uname:
4496 /* no need to transcode because we use the linux syscall */
4497 {
4498 struct new_utsname * buf;
4499
4500 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
4501 goto efault;
4502 ret = get_errno(sys_uname(buf));
4503 if (!is_error(ret)) {
4504 /* Overrite the native machine name with whatever is being
4505 emulated. */
4506 strcpy (buf->machine, UNAME_MACHINE);
4507 /* Allow the user to override the reported release. */
4508 if (qemu_uname_release && *qemu_uname_release)
4509 strcpy (buf->release, qemu_uname_release);
4510 }
4511 unlock_user_struct(buf, arg1, 1);
4512 }
4513 break;
4514 #ifdef TARGET_I386
4515 case TARGET_NR_modify_ldt:
4516 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
4517 break;
4518 #if !defined(TARGET_X86_64)
4519 case TARGET_NR_vm86old:
4520 goto unimplemented;
4521 case TARGET_NR_vm86:
4522 ret = do_vm86(cpu_env, arg1, arg2);
4523 break;
4524 #endif
4525 #endif
4526 case TARGET_NR_adjtimex:
4527 goto unimplemented;
4528 #ifdef TARGET_NR_create_module
4529 case TARGET_NR_create_module:
4530 #endif
4531 case TARGET_NR_init_module:
4532 case TARGET_NR_delete_module:
4533 #ifdef TARGET_NR_get_kernel_syms
4534 case TARGET_NR_get_kernel_syms:
4535 #endif
4536 goto unimplemented;
4537 case TARGET_NR_quotactl:
4538 goto unimplemented;
4539 case TARGET_NR_getpgid:
4540 ret = get_errno(getpgid(arg1));
4541 break;
4542 case TARGET_NR_fchdir:
4543 ret = get_errno(fchdir(arg1));
4544 break;
4545 #ifdef TARGET_NR_bdflush /* not on x86_64 */
4546 case TARGET_NR_bdflush:
4547 goto unimplemented;
4548 #endif
4549 #ifdef TARGET_NR_sysfs
4550 case TARGET_NR_sysfs:
4551 goto unimplemented;
4552 #endif
4553 case TARGET_NR_personality:
4554 ret = get_errno(personality(arg1));
4555 break;
4556 #ifdef TARGET_NR_afs_syscall
4557 case TARGET_NR_afs_syscall:
4558 goto unimplemented;
4559 #endif
4560 #ifdef TARGET_NR__llseek /* Not on alpha */
4561 case TARGET_NR__llseek:
4562 {
4563 #if defined (__x86_64__)
4564 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
4565 if (put_user_s64(ret, arg4))
4566 goto efault;
4567 #else
4568 int64_t res;
4569 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
4570 if (put_user_s64(res, arg4))
4571 goto efault;
4572 #endif
4573 }
4574 break;
4575 #endif
4576 case TARGET_NR_getdents:
4577 #if TARGET_ABI_BITS != 32
4578 goto unimplemented;
4579 #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4580 {
4581 struct target_dirent *target_dirp;
4582 struct dirent *dirp;
4583 abi_long count = arg3;
4584
4585 dirp = malloc(count);
4586 if (!dirp) {
4587 ret = -TARGET_ENOMEM;
4588 goto fail;
4589 }
4590
4591 ret = get_errno(sys_getdents(arg1, dirp, count));
4592 if (!is_error(ret)) {
4593 struct dirent *de;
4594 struct target_dirent *tde;
4595 int len = ret;
4596 int reclen, treclen;
4597 int count1, tnamelen;
4598
4599 count1 = 0;
4600 de = dirp;
4601 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
4602 goto efault;
4603 tde = target_dirp;
4604 while (len > 0) {
4605 reclen = de->d_reclen;
4606 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4607 tde->d_reclen = tswap16(treclen);
4608 tde->d_ino = tswapl(de->d_ino);
4609 tde->d_off = tswapl(de->d_off);
4610 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4611 if (tnamelen > 256)
4612 tnamelen = 256;
4613 /* XXX: may not be correct */
4614 strncpy(tde->d_name, de->d_name, tnamelen);
4615 de = (struct dirent *)((char *)de + reclen);
4616 len -= reclen;
4617 tde = (struct target_dirent *)((char *)tde + treclen);
4618 count1 += treclen;
4619 }
4620 ret = count1;
4621 unlock_user(target_dirp, arg2, ret);
4622 }
4623 free(dirp);
4624 }
4625 #else
4626 {
4627 struct dirent *dirp;
4628 abi_long count = arg3;
4629
4630 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
4631 goto efault;
4632 ret = get_errno(sys_getdents(arg1, dirp, count));
4633 if (!is_error(ret)) {
4634 struct dirent *de;
4635 int len = ret;
4636 int reclen;
4637 de = dirp;
4638 while (len > 0) {
4639 reclen = de->d_reclen;
4640 if (reclen > len)
4641 break;
4642 de->d_reclen = tswap16(reclen);
4643 tswapls(&de->d_ino);
4644 tswapls(&de->d_off);
4645 de = (struct dirent *)((char *)de + reclen);
4646 len -= reclen;
4647 }
4648 }
4649 unlock_user(dirp, arg2, ret);
4650 }
4651 #endif
4652 break;
4653 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
4654 case TARGET_NR_getdents64:
4655 {
4656 struct dirent64 *dirp;
4657 abi_long count = arg3;
4658 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
4659 goto efault;
4660 ret = get_errno(sys_getdents64(arg1, dirp, count));
4661 if (!is_error(ret)) {
4662 struct dirent64 *de;
4663 int len = ret;
4664 int reclen;
4665 de = dirp;
4666 while (len > 0) {
4667 reclen = de->d_reclen;
4668 if (reclen > len)
4669 break;
4670 de->d_reclen = tswap16(reclen);
4671 tswap64s((uint64_t *)&de->d_ino);
4672 tswap64s((uint64_t *)&de->d_off);
4673 de = (struct dirent64 *)((char *)de + reclen);
4674 len -= reclen;
4675 }
4676 }
4677 unlock_user(dirp, arg2, ret);
4678 }
4679 break;
4680 #endif /* TARGET_NR_getdents64 */
4681 #ifdef TARGET_NR__newselect
4682 case TARGET_NR__newselect:
4683 ret = do_select(arg1, arg2, arg3, arg4, arg5);
4684 break;
4685 #endif
4686 #ifdef TARGET_NR_poll
4687 case TARGET_NR_poll:
4688 {
4689 struct target_pollfd *target_pfd;
4690 unsigned int nfds = arg2;
4691 int timeout = arg3;
4692 struct pollfd *pfd;
4693 unsigned int i;
4694
4695 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
4696 if (!target_pfd)
4697 goto efault;
4698 pfd = alloca(sizeof(struct pollfd) * nfds);
4699 for(i = 0; i < nfds; i++) {
4700 pfd[i].fd = tswap32(target_pfd[i].fd);
4701 pfd[i].events = tswap16(target_pfd[i].events);
4702 }
4703 ret = get_errno(poll(pfd, nfds, timeout));
4704 if (!is_error(ret)) {
4705 for(i = 0; i < nfds; i++) {
4706 target_pfd[i].revents = tswap16(pfd[i].revents);
4707 }
4708 ret += nfds * (sizeof(struct target_pollfd)
4709 - sizeof(struct pollfd));
4710 }
4711 unlock_user(target_pfd, arg1, ret);
4712 }
4713 break;
4714 #endif
4715 case TARGET_NR_flock:
4716 /* NOTE: the flock constant seems to be the same for every
4717 Linux platform */
4718 ret = get_errno(flock(arg1, arg2));
4719 break;
4720 case TARGET_NR_readv:
4721 {
4722 int count = arg3;
4723 struct iovec *vec;
4724
4725 vec = alloca(count * sizeof(struct iovec));
4726 lock_iovec(VERIFY_WRITE, vec, arg2, count, 0);
4727 ret = get_errno(readv(arg1, vec, count));
4728 unlock_iovec(vec, arg2, count, 1);
4729 }
4730 break;
4731 case TARGET_NR_writev:
4732 {
4733 int count = arg3;
4734 struct iovec *vec;
4735
4736 vec = alloca(count * sizeof(struct iovec));
4737 lock_iovec(VERIFY_READ, vec, arg2, count, 1);
4738 ret = get_errno(writev(arg1, vec, count));
4739 unlock_iovec(vec, arg2, count, 0);
4740 }
4741 break;
4742 case TARGET_NR_getsid:
4743 ret = get_errno(getsid(arg1));
4744 break;
4745 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
4746 case TARGET_NR_fdatasync:
4747 ret = get_errno(fdatasync(arg1));
4748 break;
4749 #endif
4750 case TARGET_NR__sysctl:
4751 /* We don't implement this, but ENOTDIR is always a safe
4752 return value. */
4753 ret = -TARGET_ENOTDIR;
4754 break;
4755 case TARGET_NR_sched_setparam:
4756 {
4757 struct sched_param *target_schp;
4758 struct sched_param schp;
4759
4760 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
4761 goto efault;
4762 schp.sched_priority = tswap32(target_schp->sched_priority);
4763 unlock_user_struct(target_schp, arg2, 0);
4764 ret = get_errno(sched_setparam(arg1, &schp));
4765 }
4766 break;
4767 case TARGET_NR_sched_getparam:
4768 {
4769 struct sched_param *target_schp;
4770 struct sched_param schp;
4771 ret = get_errno(sched_getparam(arg1, &schp));
4772 if (!is_error(ret)) {
4773 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
4774 goto efault;
4775 target_schp->sched_priority = tswap32(schp.sched_priority);
4776 unlock_user_struct(target_schp, arg2, 1);
4777 }
4778 }
4779 break;
4780 case TARGET_NR_sched_setscheduler:
4781 {
4782 struct sched_param *target_schp;
4783 struct sched_param schp;
4784 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
4785 goto efault;
4786 schp.sched_priority = tswap32(target_schp->sched_priority);
4787 unlock_user_struct(target_schp, arg3, 0);
4788 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
4789 }
4790 break;
4791 case TARGET_NR_sched_getscheduler:
4792 ret = get_errno(sched_getscheduler(arg1));
4793 break;
4794 case TARGET_NR_sched_yield:
4795 ret = get_errno(sched_yield());
4796 break;
4797 case TARGET_NR_sched_get_priority_max:
4798 ret = get_errno(sched_get_priority_max(arg1));
4799 break;
4800 case TARGET_NR_sched_get_priority_min:
4801 ret = get_errno(sched_get_priority_min(arg1));
4802 break;
4803 case TARGET_NR_sched_rr_get_interval:
4804 {
4805 struct timespec ts;
4806 ret = get_errno(sched_rr_get_interval(arg1, &ts));
4807 if (!is_error(ret)) {
4808 host_to_target_timespec(arg2, &ts);
4809 }
4810 }
4811 break;
4812 case TARGET_NR_nanosleep:
4813 {
4814 struct timespec req, rem;
4815 target_to_host_timespec(&req, arg1);
4816 ret = get_errno(nanosleep(&req, &rem));
4817 if (is_error(ret) && arg2) {
4818 host_to_target_timespec(arg2, &rem);
4819 }
4820 }
4821 break;
4822 #ifdef TARGET_NR_query_module
4823 case TARGET_NR_query_module:
4824 goto unimplemented;
4825 #endif
4826 #ifdef TARGET_NR_nfsservctl
4827 case TARGET_NR_nfsservctl:
4828 goto unimplemented;
4829 #endif
4830 case TARGET_NR_prctl:
4831 switch (arg1)
4832 {
4833 case PR_GET_PDEATHSIG:
4834 {
4835 int deathsig;
4836 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
4837 if (!is_error(ret) && arg2
4838 && put_user_ual(deathsig, arg2))
4839 goto efault;
4840 }
4841 break;
4842 default:
4843 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
4844 break;
4845 }
4846 break;
4847 #ifdef TARGET_NR_arch_prctl
4848 case TARGET_NR_arch_prctl:
4849 #if defined(TARGET_I386) && !defined(TARGET_ABI32)
4850 ret = do_arch_prctl(cpu_env, arg1, arg2);
4851 break;
4852 #else
4853 goto unimplemented;
4854 #endif
4855 #endif
4856 #ifdef TARGET_NR_pread
4857 case TARGET_NR_pread:
4858 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4859 goto efault;
4860 ret = get_errno(pread(arg1, p, arg3, arg4));
4861 unlock_user(p, arg2, ret);
4862 break;
4863 case TARGET_NR_pwrite:
4864 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4865 goto efault;
4866 ret = get_errno(pwrite(arg1, p, arg3, arg4));
4867 unlock_user(p, arg2, 0);
4868 break;
4869 #endif
4870 case TARGET_NR_getcwd:
4871 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
4872 goto efault;
4873 ret = get_errno(sys_getcwd1(p, arg2));
4874 unlock_user(p, arg1, ret);
4875 break;
4876 case TARGET_NR_capget:
4877 goto unimplemented;
4878 case TARGET_NR_capset:
4879 goto unimplemented;
4880 case TARGET_NR_sigaltstack:
4881 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
4882 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
4883 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
4884 break;
4885 #else
4886 goto unimplemented;
4887 #endif
4888 case TARGET_NR_sendfile:
4889 goto unimplemented;
4890 #ifdef TARGET_NR_getpmsg
4891 case TARGET_NR_getpmsg:
4892 goto unimplemented;
4893 #endif
4894 #ifdef TARGET_NR_putpmsg
4895 case TARGET_NR_putpmsg:
4896 goto unimplemented;
4897 #endif
4898 #ifdef TARGET_NR_vfork
4899 case TARGET_NR_vfork:
4900 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
4901 break;
4902 #endif
4903 #ifdef TARGET_NR_ugetrlimit
4904 case TARGET_NR_ugetrlimit:
4905 {
4906 struct rlimit rlim;
4907 ret = get_errno(getrlimit(arg1, &rlim));
4908 if (!is_error(ret)) {
4909 struct target_rlimit *target_rlim;
4910 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
4911 goto efault;
4912 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4913 target_rlim->rlim_max = tswapl(rlim.rlim_max);
4914 unlock_user_struct(target_rlim, arg2, 1);
4915 }
4916 break;
4917 }
4918 #endif
4919 #ifdef TARGET_NR_truncate64
4920 case TARGET_NR_truncate64:
4921 if (!(p = lock_user_string(arg1)))
4922 goto efault;
4923 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4924 unlock_user(p, arg1, 0);
4925 break;
4926 #endif
4927 #ifdef TARGET_NR_ftruncate64
4928 case TARGET_NR_ftruncate64:
4929 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
4930 break;
4931 #endif
4932 #ifdef TARGET_NR_stat64
4933 case TARGET_NR_stat64:
4934 if (!(p = lock_user_string(arg1)))
4935 goto efault;
4936 ret = get_errno(stat(path(p), &st));
4937 unlock_user(p, arg1, 0);
4938 goto do_stat64;
4939 #endif
4940 #ifdef TARGET_NR_lstat64
4941 case TARGET_NR_lstat64:
4942 if (!(p = lock_user_string(arg1)))
4943 goto efault;
4944 ret = get_errno(lstat(path(p), &st));
4945 unlock_user(p, arg1, 0);
4946 goto do_stat64;
4947 #endif
4948 #ifdef TARGET_NR_fstat64
4949 case TARGET_NR_fstat64:
4950 {
4951 ret = get_errno(fstat(arg1, &st));
4952 do_stat64:
4953 if (!is_error(ret)) {
4954 #ifdef TARGET_ARM
4955 if (((CPUARMState *)cpu_env)->eabi) {
4956 struct target_eabi_stat64 *target_st;
4957
4958 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
4959 goto efault;
4960 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4961 __put_user(st.st_dev, &target_st->st_dev);
4962 __put_user(st.st_ino, &target_st->st_ino);
4963 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4964 __put_user(st.st_ino, &target_st->__st_ino);
4965 #endif
4966 __put_user(st.st_mode, &target_st->st_mode);
4967 __put_user(st.st_nlink, &target_st->st_nlink);
4968 __put_user(st.st_uid, &target_st->st_uid);
4969 __put_user(st.st_gid, &target_st->st_gid);
4970 __put_user(st.st_rdev, &target_st->st_rdev);
4971 __put_user(st.st_size, &target_st->st_size);
4972 __put_user(st.st_blksize, &target_st->st_blksize);
4973 __put_user(st.st_blocks, &target_st->st_blocks);
4974 __put_user(st.st_atime, &target_st->target_st_atime);
4975 __put_user(st.st_mtime, &target_st->target_st_mtime);
4976 __put_user(st.st_ctime, &target_st->target_st_ctime);
4977 unlock_user_struct(target_st, arg2, 1);
4978 } else
4979 #endif
4980 {
4981 struct target_stat64 *target_st;
4982
4983 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
4984 goto efault;
4985 memset(target_st, 0, sizeof(struct target_stat64));
4986 __put_user(st.st_dev, &target_st->st_dev);
4987 __put_user(st.st_ino, &target_st->st_ino);
4988 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4989 __put_user(st.st_ino, &target_st->__st_ino);
4990 #endif
4991 __put_user(st.st_mode, &target_st->st_mode);
4992 __put_user(st.st_nlink, &target_st->st_nlink);
4993 __put_user(st.st_uid, &target_st->st_uid);
4994 __put_user(st.st_gid, &target_st->st_gid);
4995 __put_user(st.st_rdev, &target_st->st_rdev);
4996 /* XXX: better use of kernel struct */
4997 __put_user(st.st_size, &target_st->st_size);
4998 __put_user(st.st_blksize, &target_st->st_blksize);
4999 __put_user(st.st_blocks, &target_st->st_blocks);
5000 __put_user(st.st_atime, &target_st->target_st_atime);
5001 __put_user(st.st_mtime, &target_st->target_st_mtime);
5002 __put_user(st.st_ctime, &target_st->target_st_ctime);
5003 unlock_user_struct(target_st, arg2, 1);
5004 }
5005 }
5006 }
5007 break;
5008 #endif
5009 #ifdef USE_UID16
5010 case TARGET_NR_lchown:
5011 if (!(p = lock_user_string(arg1)))
5012 goto efault;
5013 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
5014 unlock_user(p, arg1, 0);
5015 break;
5016 case TARGET_NR_getuid:
5017 ret = get_errno(high2lowuid(getuid()));
5018 break;
5019 case TARGET_NR_getgid:
5020 ret = get_errno(high2lowgid(getgid()));
5021 break;
5022 case TARGET_NR_geteuid:
5023 ret = get_errno(high2lowuid(geteuid()));
5024 break;
5025 case TARGET_NR_getegid:
5026 ret = get_errno(high2lowgid(getegid()));
5027 break;
5028 case TARGET_NR_setreuid:
5029 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
5030 break;
5031 case TARGET_NR_setregid:
5032 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
5033 break;
5034 case TARGET_NR_getgroups:
5035 {
5036 int gidsetsize = arg1;
5037 uint16_t *target_grouplist;
5038 gid_t *grouplist;
5039 int i;
5040
5041 grouplist = alloca(gidsetsize * sizeof(gid_t));
5042 ret = get_errno(getgroups(gidsetsize, grouplist));
5043 if (!is_error(ret)) {
5044 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
5045 if (!target_grouplist)
5046 goto efault;
5047 for(i = 0;i < gidsetsize; i++)
5048 target_grouplist[i] = tswap16(grouplist[i]);
5049 unlock_user(target_grouplist, arg2, gidsetsize * 2);
5050 }
5051 }
5052 break;
5053 case TARGET_NR_setgroups:
5054 {
5055 int gidsetsize = arg1;
5056 uint16_t *target_grouplist;
5057 gid_t *grouplist;
5058 int i;
5059
5060 grouplist = alloca(gidsetsize * sizeof(gid_t));
5061 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
5062 if (!target_grouplist) {
5063 ret = -TARGET_EFAULT;
5064 goto fail;
5065 }
5066 for(i = 0;i < gidsetsize; i++)
5067 grouplist[i] = tswap16(target_grouplist[i]);
5068 unlock_user(target_grouplist, arg2, 0);
5069 ret = get_errno(setgroups(gidsetsize, grouplist));
5070 }
5071 break;
5072 case TARGET_NR_fchown:
5073 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
5074 break;
5075 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
5076 case TARGET_NR_fchownat:
5077 if (!(p = lock_user_string(arg2)))
5078 goto efault;
5079 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
5080 unlock_user(p, arg2, 0);
5081 break;
5082 #endif
5083 #ifdef TARGET_NR_setresuid
5084 case TARGET_NR_setresuid:
5085 ret = get_errno(setresuid(low2highuid(arg1),
5086 low2highuid(arg2),
5087 low2highuid(arg3)));
5088 break;
5089 #endif
5090 #ifdef TARGET_NR_getresuid
5091 case TARGET_NR_getresuid:
5092 {
5093 uid_t ruid, euid, suid;
5094 ret = get_errno(getresuid(&ruid, &euid, &suid));
5095 if (!is_error(ret)) {
5096 if (put_user_u16(high2lowuid(ruid), arg1)
5097 || put_user_u16(high2lowuid(euid), arg2)
5098 || put_user_u16(high2lowuid(suid), arg3))
5099 goto efault;
5100 }
5101 }
5102 break;
5103 #endif
5104 #ifdef TARGET_NR_getresgid
5105 case TARGET_NR_setresgid:
5106 ret = get_errno(setresgid(low2highgid(arg1),
5107 low2highgid(arg2),
5108 low2highgid(arg3)));
5109 break;
5110 #endif
5111 #ifdef TARGET_NR_getresgid
5112 case TARGET_NR_getresgid:
5113 {
5114 gid_t rgid, egid, sgid;
5115 ret = get_errno(getresgid(&rgid, &egid, &sgid));
5116 if (!is_error(ret)) {
5117 if (put_user_u16(high2lowgid(rgid), arg1)
5118 || put_user_u16(high2lowgid(egid), arg2)
5119 || put_user_u16(high2lowgid(sgid), arg3))
5120 goto efault;
5121 }
5122 }
5123 break;
5124 #endif
5125 case TARGET_NR_chown:
5126 if (!(p = lock_user_string(arg1)))
5127 goto efault;
5128 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
5129 unlock_user(p, arg1, 0);
5130 break;
5131 case TARGET_NR_setuid:
5132 ret = get_errno(setuid(low2highuid(arg1)));
5133 break;
5134 case TARGET_NR_setgid:
5135 ret = get_errno(setgid(low2highgid(arg1)));
5136 break;
5137 case TARGET_NR_setfsuid:
5138 ret = get_errno(setfsuid(arg1));
5139 break;
5140 case TARGET_NR_setfsgid:
5141 ret = get_errno(setfsgid(arg1));
5142 break;
5143 #endif /* USE_UID16 */
5144
5145 #ifdef TARGET_NR_lchown32
5146 case TARGET_NR_lchown32:
5147 if (!(p = lock_user_string(arg1)))
5148 goto efault;
5149 ret = get_errno(lchown(p, arg2, arg3));
5150 unlock_user(p, arg1, 0);
5151 break;
5152 #endif
5153 #ifdef TARGET_NR_getuid32
5154 case TARGET_NR_getuid32:
5155 ret = get_errno(getuid());
5156 break;
5157 #endif
5158 #ifdef TARGET_NR_getgid32
5159 case TARGET_NR_getgid32:
5160 ret = get_errno(getgid());
5161 break;
5162 #endif
5163 #ifdef TARGET_NR_geteuid32
5164 case TARGET_NR_geteuid32:
5165 ret = get_errno(geteuid());
5166 break;
5167 #endif
5168 #ifdef TARGET_NR_getegid32
5169 case TARGET_NR_getegid32:
5170 ret = get_errno(getegid());
5171 break;
5172 #endif
5173 #ifdef TARGET_NR_setreuid32
5174 case TARGET_NR_setreuid32:
5175 ret = get_errno(setreuid(arg1, arg2));
5176 break;
5177 #endif
5178 #ifdef TARGET_NR_setregid32
5179 case TARGET_NR_setregid32:
5180 ret = get_errno(setregid(arg1, arg2));
5181 break;
5182 #endif
5183 #ifdef TARGET_NR_getgroups32
5184 case TARGET_NR_getgroups32:
5185 {
5186 int gidsetsize = arg1;
5187 uint32_t *target_grouplist;
5188 gid_t *grouplist;
5189 int i;
5190
5191 grouplist = alloca(gidsetsize * sizeof(gid_t));
5192 ret = get_errno(getgroups(gidsetsize, grouplist));
5193 if (!is_error(ret)) {
5194 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
5195 if (!target_grouplist) {
5196 ret = -TARGET_EFAULT;
5197 goto fail;
5198 }
5199 for(i = 0;i < gidsetsize; i++)
5200 target_grouplist[i] = tswap32(grouplist[i]);
5201 unlock_user(target_grouplist, arg2, gidsetsize * 4);
5202 }
5203 }
5204 break;
5205 #endif
5206 #ifdef TARGET_NR_setgroups32
5207 case TARGET_NR_setgroups32:
5208 {
5209 int gidsetsize = arg1;
5210 uint32_t *target_grouplist;
5211 gid_t *grouplist;
5212 int i;
5213
5214 grouplist = alloca(gidsetsize * sizeof(gid_t));
5215 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
5216 if (!target_grouplist) {
5217 ret = -TARGET_EFAULT;
5218 goto fail;
5219 }
5220 for(i = 0;i < gidsetsize; i++)
5221 grouplist[i] = tswap32(target_grouplist[i]);
5222 unlock_user(target_grouplist, arg2, 0);
5223 ret = get_errno(setgroups(gidsetsize, grouplist));
5224 }
5225 break;
5226 #endif
5227 #ifdef TARGET_NR_fchown32
5228 case TARGET_NR_fchown32:
5229 ret = get_errno(fchown(arg1, arg2, arg3));
5230 break;
5231 #endif
5232 #ifdef TARGET_NR_setresuid32
5233 case TARGET_NR_setresuid32:
5234 ret = get_errno(setresuid(arg1, arg2, arg3));
5235 break;
5236 #endif
5237 #ifdef TARGET_NR_getresuid32
5238 case TARGET_NR_getresuid32:
5239 {
5240 uid_t ruid, euid, suid;
5241 ret = get_errno(getresuid(&ruid, &euid, &suid));
5242 if (!is_error(ret)) {
5243 if (put_user_u32(ruid, arg1)
5244 || put_user_u32(euid, arg2)
5245 || put_user_u32(suid, arg3))
5246 goto efault;
5247 }
5248 }
5249 break;
5250 #endif
5251 #ifdef TARGET_NR_setresgid32
5252 case TARGET_NR_setresgid32:
5253 ret = get_errno(setresgid(arg1, arg2, arg3));
5254 break;
5255 #endif
5256 #ifdef TARGET_NR_getresgid32
5257 case TARGET_NR_getresgid32:
5258 {
5259 gid_t rgid, egid, sgid;
5260 ret = get_errno(getresgid(&rgid, &egid, &sgid));
5261 if (!is_error(ret)) {
5262 if (put_user_u32(rgid, arg1)
5263 || put_user_u32(egid, arg2)
5264 || put_user_u32(sgid, arg3))
5265 goto efault;
5266 }
5267 }
5268 break;
5269 #endif
5270 #ifdef TARGET_NR_chown32
5271 case TARGET_NR_chown32:
5272 if (!(p = lock_user_string(arg1)))
5273 goto efault;
5274 ret = get_errno(chown(p, arg2, arg3));
5275 unlock_user(p, arg1, 0);
5276 break;
5277 #endif
5278 #ifdef TARGET_NR_setuid32
5279 case TARGET_NR_setuid32:
5280 ret = get_errno(setuid(arg1));
5281 break;
5282 #endif
5283 #ifdef TARGET_NR_setgid32
5284 case TARGET_NR_setgid32:
5285 ret = get_errno(setgid(arg1));
5286 break;
5287 #endif
5288 #ifdef TARGET_NR_setfsuid32
5289 case TARGET_NR_setfsuid32:
5290 ret = get_errno(setfsuid(arg1));
5291 break;
5292 #endif
5293 #ifdef TARGET_NR_setfsgid32
5294 case TARGET_NR_setfsgid32:
5295 ret = get_errno(setfsgid(arg1));
5296 break;
5297 #endif
5298
5299 case TARGET_NR_pivot_root:
5300 goto unimplemented;
5301 #ifdef TARGET_NR_mincore
5302 case TARGET_NR_mincore:
5303 goto unimplemented;
5304 #endif
5305 #ifdef TARGET_NR_madvise
5306 case TARGET_NR_madvise:
5307 /* A straight passthrough may not be safe because qemu sometimes
5308 turns private flie-backed mappings into anonymous mappings.
5309 This will break MADV_DONTNEED.
5310 This is a hint, so ignoring and returning success is ok. */
5311 ret = get_errno(0);
5312 break;
5313 #endif
5314 #if TARGET_ABI_BITS == 32
5315 case TARGET_NR_fcntl64:
5316 {
5317 int cmd;
5318 struct flock64 fl;
5319 struct target_flock64 *target_fl;
5320 #ifdef TARGET_ARM
5321 struct target_eabi_flock64 *target_efl;
5322 #endif
5323
5324 switch(arg2){
5325 case TARGET_F_GETLK64:
5326 cmd = F_GETLK64;
5327 break;
5328 case TARGET_F_SETLK64:
5329 cmd = F_SETLK64;
5330 break;
5331 case TARGET_F_SETLKW64:
5332 cmd = F_SETLK64;
5333 break;
5334 default:
5335 cmd = arg2;
5336 break;
5337 }
5338
5339 switch(arg2) {
5340 case TARGET_F_GETLK64:
5341 #ifdef TARGET_ARM
5342 if (((CPUARMState *)cpu_env)->eabi) {
5343 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
5344 goto efault;
5345 fl.l_type = tswap16(target_efl->l_type);
5346 fl.l_whence = tswap16(target_efl->l_whence);
5347 fl.l_start = tswap64(target_efl->l_start);
5348 fl.l_len = tswap64(target_efl->l_len);
5349 fl.l_pid = tswapl(target_efl->l_pid);
5350 unlock_user_struct(target_efl, arg3, 0);
5351 } else
5352 #endif
5353 {
5354 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
5355 goto efault;
5356 fl.l_type = tswap16(target_fl->l_type);
5357 fl.l_whence = tswap16(target_fl->l_whence);
5358 fl.l_start = tswap64(target_fl->l_start);
5359 fl.l_len = tswap64(target_fl->l_len);
5360 fl.l_pid = tswapl(target_fl->l_pid);
5361 unlock_user_struct(target_fl, arg3, 0);
5362 }
5363 ret = get_errno(fcntl(arg1, cmd, &fl));
5364 if (ret == 0) {
5365 #ifdef TARGET_ARM
5366 if (((CPUARMState *)cpu_env)->eabi) {
5367 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
5368 goto efault;
5369 target_efl->l_type = tswap16(fl.l_type);
5370 target_efl->l_whence = tswap16(fl.l_whence);
5371 target_efl->l_start = tswap64(fl.l_start);
5372 target_efl->l_len = tswap64(fl.l_len);
5373 target_efl->l_pid = tswapl(fl.l_pid);
5374 unlock_user_struct(target_efl, arg3, 1);
5375 } else
5376 #endif
5377 {
5378 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
5379 goto efault;
5380 target_fl->l_type = tswap16(fl.l_type);
5381 target_fl->l_whence = tswap16(fl.l_whence);
5382 target_fl->l_start = tswap64(fl.l_start);
5383 target_fl->l_len = tswap64(fl.l_len);
5384 target_fl->l_pid = tswapl(fl.l_pid);
5385 unlock_user_struct(target_fl, arg3, 1);
5386 }
5387 }
5388 break;
5389
5390 case TARGET_F_SETLK64:
5391 case TARGET_F_SETLKW64:
5392 #ifdef TARGET_ARM
5393 if (((CPUARMState *)cpu_env)->eabi) {
5394 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
5395 goto efault;
5396 fl.l_type = tswap16(target_efl->l_type);
5397 fl.l_whence = tswap16(target_efl->l_whence);
5398 fl.l_start = tswap64(target_efl->l_start);
5399 fl.l_len = tswap64(target_efl->l_len);
5400 fl.l_pid = tswapl(target_efl->l_pid);
5401 unlock_user_struct(target_efl, arg3, 0);
5402 } else
5403 #endif
5404 {
5405 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
5406 goto efault;
5407 fl.l_type = tswap16(target_fl->l_type);
5408 fl.l_whence = tswap16(target_fl->l_whence);
5409 fl.l_start = tswap64(target_fl->l_start);
5410 fl.l_len = tswap64(target_fl->l_len);
5411 fl.l_pid = tswapl(target_fl->l_pid);
5412 unlock_user_struct(target_fl, arg3, 0);
5413 }
5414 ret = get_errno(fcntl(arg1, cmd, &fl));
5415 break;
5416 default:
5417 ret = do_fcntl(arg1, cmd, arg3);
5418 break;
5419 }
5420 break;
5421 }
5422 #endif
5423 #ifdef TARGET_NR_cacheflush
5424 case TARGET_NR_cacheflush:
5425 /* self-modifying code is handled automatically, so nothing needed */
5426 ret = 0;
5427 break;
5428 #endif
5429 #ifdef TARGET_NR_security
5430 case TARGET_NR_security:
5431 goto unimplemented;
5432 #endif
5433 #ifdef TARGET_NR_getpagesize
5434 case TARGET_NR_getpagesize:
5435 ret = TARGET_PAGE_SIZE;
5436 break;
5437 #endif
5438 case TARGET_NR_gettid:
5439 ret = get_errno(gettid());
5440 break;
5441 #ifdef TARGET_NR_readahead
5442 case TARGET_NR_readahead:
5443 goto unimplemented;
5444 #endif
5445 #ifdef TARGET_NR_setxattr
5446 case TARGET_NR_setxattr:
5447 case TARGET_NR_lsetxattr:
5448 case TARGET_NR_fsetxattr:
5449 case TARGET_NR_getxattr:
5450 case TARGET_NR_lgetxattr:
5451 case TARGET_NR_fgetxattr:
5452 case TARGET_NR_listxattr:
5453 case TARGET_NR_llistxattr:
5454 case TARGET_NR_flistxattr:
5455 case TARGET_NR_removexattr:
5456 case TARGET_NR_lremovexattr:
5457 case TARGET_NR_fremovexattr:
5458 goto unimplemented_nowarn;
5459 #endif
5460 #ifdef TARGET_NR_set_thread_area
5461 case TARGET_NR_set_thread_area:
5462 #if defined(TARGET_MIPS)
5463 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
5464 ret = 0;
5465 break;
5466 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
5467 ret = do_set_thread_area(cpu_env, arg1);
5468 break;
5469 #else
5470 goto unimplemented_nowarn;
5471 #endif
5472 #endif
5473 #ifdef TARGET_NR_get_thread_area
5474 case TARGET_NR_get_thread_area:
5475 #if defined(TARGET_I386) && defined(TARGET_ABI32)
5476 ret = do_get_thread_area(cpu_env, arg1);
5477 #else
5478 goto unimplemented_nowarn;
5479 #endif
5480 #endif
5481 #ifdef TARGET_NR_getdomainname
5482 case TARGET_NR_getdomainname:
5483 goto unimplemented_nowarn;
5484 #endif
5485
5486 #ifdef TARGET_NR_clock_gettime
5487 case TARGET_NR_clock_gettime:
5488 {
5489 struct timespec ts;
5490 ret = get_errno(clock_gettime(arg1, &ts));
5491 if (!is_error(ret)) {
5492 host_to_target_timespec(arg2, &ts);
5493 }
5494 break;
5495 }
5496 #endif
5497 #ifdef TARGET_NR_clock_getres
5498 case TARGET_NR_clock_getres:
5499 {
5500 struct timespec ts;
5501 ret = get_errno(clock_getres(arg1, &ts));
5502 if (!is_error(ret)) {
5503 host_to_target_timespec(arg2, &ts);
5504 }
5505 break;
5506 }
5507 #endif
5508
5509 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
5510 case TARGET_NR_set_tid_address:
5511 ret = get_errno(set_tid_address((int *)g2h(arg1)));
5512 break;
5513 #endif
5514
5515 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
5516 case TARGET_NR_tkill:
5517 ret = get_errno(sys_tkill((int)arg1, (int)arg2));
5518 break;
5519 #endif
5520
5521 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
5522 case TARGET_NR_tgkill:
5523 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
5524 break;
5525 #endif
5526
5527 #ifdef TARGET_NR_set_robust_list
5528 case TARGET_NR_set_robust_list:
5529 goto unimplemented_nowarn;
5530 #endif
5531
5532 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
5533 case TARGET_NR_utimensat:
5534 {
5535 struct timespec ts[2];
5536 target_to_host_timespec(ts, arg3);
5537 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
5538 if (!arg2)
5539 ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
5540 else {
5541 if (!(p = lock_user_string(arg2))) {
5542 ret = -TARGET_EFAULT;
5543 goto fail;
5544 }
5545 ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4));
5546 unlock_user(p, arg2, 0);
5547 }
5548 }
5549 break;
5550 #endif
5551
5552 default:
5553 unimplemented:
5554 gemu_log("qemu: Unsupported syscall: %d\n", num);
5555 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5556 unimplemented_nowarn:
5557 #endif
5558 ret = -TARGET_ENOSYS;
5559 break;
5560 }
5561 fail:
5562 #ifdef DEBUG
5563 gemu_log(" = %ld\n", ret);
5564 #endif
5565 if(do_strace)
5566 print_syscall_ret(num, ret);
5567 return ret;
5568 efault:
5569 ret = -TARGET_EFAULT;
5570 goto fail;
5571 }
Stable branch of Qemu 0.9.1