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make vga screen_dump use DisplayState properly
[qemu.git] / linux-user / syscall.c
blob673eed4ecea866a394a25d97c7e9b3f1d1fa8c7e
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, see <http://www.gnu.org/licenses/>.
18 */
19 #define _ATFILE_SOURCE
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 <limits.h>
31 #include <mqueue.h>
32 #include <sys/types.h>
33 #include <sys/ipc.h>
34 #include <sys/msg.h>
35 #include <sys/wait.h>
36 #include <sys/time.h>
37 #include <sys/stat.h>
38 #include <sys/mount.h>
39 #include <sys/prctl.h>
40 #include <sys/resource.h>
41 #include <sys/mman.h>
42 #include <sys/swap.h>
43 #include <signal.h>
44 #include <sched.h>
45 #include <sys/socket.h>
46 #include <sys/un.h>
47 #include <sys/uio.h>
48 #include <sys/poll.h>
49 #include <sys/times.h>
50 #include <sys/shm.h>
51 #include <sys/sem.h>
52 #include <sys/statfs.h>
53 #include <utime.h>
54 #include <sys/sysinfo.h>
55 #include <sys/utsname.h>
56 //#include <sys/user.h>
57 #include <netinet/ip.h>
58 #include <netinet/tcp.h>
59 #include <qemu-common.h>
60 #ifdef TARGET_GPROF
61 #include <sys/gmon.h>
62 #endif
63
64 #define termios host_termios
65 #define winsize host_winsize
66 #define termio host_termio
67 #define sgttyb host_sgttyb /* same as target */
68 #define tchars host_tchars /* same as target */
69 #define ltchars host_ltchars /* same as target */
70
71 #include <linux/termios.h>
72 #include <linux/unistd.h>
73 #include <linux/utsname.h>
74 #include <linux/cdrom.h>
75 #include <linux/hdreg.h>
76 #include <linux/soundcard.h>
77 #include <linux/kd.h>
78 #include <linux/mtio.h>
79 #include <linux/fs.h>
80 #include "linux_loop.h"
81
82 #include "qemu.h"
83 #include "qemu-common.h"
84
85 #if defined(CONFIG_USE_NPTL)
86 #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
87 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
88 #else
89 /* XXX: Hardcode the above values. */
90 #define CLONE_NPTL_FLAGS2 0
91 #endif
92
93 //#define DEBUG
94
95 //#include <linux/msdos_fs.h>
96 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
97 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
98
99
100 #undef _syscall0
101 #undef _syscall1
102 #undef _syscall2
103 #undef _syscall3
104 #undef _syscall4
105 #undef _syscall5
106 #undef _syscall6
107
108 #define _syscall0(type,name) \
109 static type name (void) \
110 { \
111 return syscall(__NR_##name); \
112 }
113
114 #define _syscall1(type,name,type1,arg1) \
115 static type name (type1 arg1) \
116 { \
117 return syscall(__NR_##name, arg1); \
118 }
119
120 #define _syscall2(type,name,type1,arg1,type2,arg2) \
121 static type name (type1 arg1,type2 arg2) \
122 { \
123 return syscall(__NR_##name, arg1, arg2); \
124 }
125
126 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
127 static type name (type1 arg1,type2 arg2,type3 arg3) \
128 { \
129 return syscall(__NR_##name, arg1, arg2, arg3); \
130 }
131
132 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
133 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
134 { \
135 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
136 }
137
138 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
139 type5,arg5) \
140 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
141 { \
142 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
143 }
144
145
146 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
147 type5,arg5,type6,arg6) \
148 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
149 type6 arg6) \
150 { \
151 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
152 }
153
154
155 #define __NR_sys_uname __NR_uname
156 #define __NR_sys_faccessat __NR_faccessat
157 #define __NR_sys_fchmodat __NR_fchmodat
158 #define __NR_sys_fchownat __NR_fchownat
159 #define __NR_sys_fstatat64 __NR_fstatat64
160 #define __NR_sys_futimesat __NR_futimesat
161 #define __NR_sys_getcwd1 __NR_getcwd
162 #define __NR_sys_getdents __NR_getdents
163 #define __NR_sys_getdents64 __NR_getdents64
164 #define __NR_sys_getpriority __NR_getpriority
165 #define __NR_sys_linkat __NR_linkat
166 #define __NR_sys_mkdirat __NR_mkdirat
167 #define __NR_sys_mknodat __NR_mknodat
168 #define __NR_sys_newfstatat __NR_newfstatat
169 #define __NR_sys_openat __NR_openat
170 #define __NR_sys_readlinkat __NR_readlinkat
171 #define __NR_sys_renameat __NR_renameat
172 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
173 #define __NR_sys_symlinkat __NR_symlinkat
174 #define __NR_sys_syslog __NR_syslog
175 #define __NR_sys_tgkill __NR_tgkill
176 #define __NR_sys_tkill __NR_tkill
177 #define __NR_sys_unlinkat __NR_unlinkat
178 #define __NR_sys_utimensat __NR_utimensat
179 #define __NR_sys_futex __NR_futex
180 #define __NR_sys_inotify_init __NR_inotify_init
181 #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
182 #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
183
184 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
185 #define __NR__llseek __NR_lseek
186 #endif
187
188 #ifdef __NR_gettid
189 _syscall0(int, gettid)
190 #else
191 /* This is a replacement for the host gettid() and must return a host
192 errno. */
193 static int gettid(void) {
194 return -ENOSYS;
195 }
196 #endif
197 #if TARGET_ABI_BITS == 32
198 _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
199 #endif
200 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
201 _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
202 #endif
203 _syscall2(int, sys_getpriority, int, which, int, who);
204 #if defined(TARGET_NR__llseek) && !defined (__x86_64__)
205 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
206 loff_t *, res, uint, wh);
207 #endif
208 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
209 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
210 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
211 _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
212 #endif
213 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
214 _syscall2(int,sys_tkill,int,tid,int,sig)
215 #endif
216 #ifdef __NR_exit_group
217 _syscall1(int,exit_group,int,error_code)
218 #endif
219 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
220 _syscall1(int,set_tid_address,int *,tidptr)
221 #endif
222 #if defined(CONFIG_USE_NPTL)
223 #if defined(TARGET_NR_futex) && defined(__NR_futex)
224 _syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
225 const struct timespec *,timeout,int *,uaddr2,int,val3)
226 #endif
227 #endif
228
229 static bitmask_transtbl fcntl_flags_tbl[] = {
230 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
231 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
232 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
233 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
234 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
235 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
236 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
237 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
238 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
239 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
240 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
241 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
242 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
243 #if defined(O_DIRECT)
244 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
245 #endif
246 { 0, 0, 0, 0 }
247 };
248
249 #define COPY_UTSNAME_FIELD(dest, src) \
250 do { \
251 /* __NEW_UTS_LEN doesn't include terminating null */ \
252 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
253 (dest)[__NEW_UTS_LEN] = '\0'; \
254 } while (0)
255
256 static int sys_uname(struct new_utsname *buf)
257 {
258 struct utsname uts_buf;
259
260 if (uname(&uts_buf) < 0)
261 return (-1);
262
263 /*
264 * Just in case these have some differences, we
265 * translate utsname to new_utsname (which is the
266 * struct linux kernel uses).
267 */
268
269 bzero(buf, sizeof (*buf));
270 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
271 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
272 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
273 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
274 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
275 #ifdef _GNU_SOURCE
276 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
277 #endif
278 return (0);
279
280 #undef COPY_UTSNAME_FIELD
281 }
282
283 static int sys_getcwd1(char *buf, size_t size)
284 {
285 if (getcwd(buf, size) == NULL) {
286 /* getcwd() sets errno */
287 return (-1);
288 }
289 return strlen(buf)+1;
290 }
291
292 #ifdef CONFIG_ATFILE
293 /*
294 * Host system seems to have atfile syscall stubs available. We
295 * now enable them one by one as specified by target syscall_nr.h.
296 */
297
298 #ifdef TARGET_NR_faccessat
299 static int sys_faccessat(int dirfd, const char *pathname, int mode)
300 {
301 return (faccessat(dirfd, pathname, mode, 0));
302 }
303 #endif
304 #ifdef TARGET_NR_fchmodat
305 static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
306 {
307 return (fchmodat(dirfd, pathname, mode, 0));
308 }
309 #endif
310 #if defined(TARGET_NR_fchownat) && defined(USE_UID16)
311 static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
312 gid_t group, int flags)
313 {
314 return (fchownat(dirfd, pathname, owner, group, flags));
315 }
316 #endif
317 #ifdef __NR_fstatat64
318 static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
319 int flags)
320 {
321 return (fstatat(dirfd, pathname, buf, flags));
322 }
323 #endif
324 #ifdef __NR_newfstatat
325 static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
326 int flags)
327 {
328 return (fstatat(dirfd, pathname, buf, flags));
329 }
330 #endif
331 #ifdef TARGET_NR_futimesat
332 static int sys_futimesat(int dirfd, const char *pathname,
333 const struct timeval times[2])
334 {
335 return (futimesat(dirfd, pathname, times));
336 }
337 #endif
338 #ifdef TARGET_NR_linkat
339 static int sys_linkat(int olddirfd, const char *oldpath,
340 int newdirfd, const char *newpath, int flags)
341 {
342 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
343 }
344 #endif
345 #ifdef TARGET_NR_mkdirat
346 static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
347 {
348 return (mkdirat(dirfd, pathname, mode));
349 }
350 #endif
351 #ifdef TARGET_NR_mknodat
352 static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
353 dev_t dev)
354 {
355 return (mknodat(dirfd, pathname, mode, dev));
356 }
357 #endif
358 #ifdef TARGET_NR_openat
359 static int sys_openat(int dirfd, const char *pathname, int flags, ...)
360 {
361 /*
362 * open(2) has extra parameter 'mode' when called with
363 * flag O_CREAT.
364 */
365 if ((flags & O_CREAT) != 0) {
366 va_list ap;
367 mode_t mode;
368
369 /*
370 * Get the 'mode' parameter and translate it to
371 * host bits.
372 */
373 va_start(ap, flags);
374 mode = va_arg(ap, mode_t);
375 mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
376 va_end(ap);
377
378 return (openat(dirfd, pathname, flags, mode));
379 }
380 return (openat(dirfd, pathname, flags));
381 }
382 #endif
383 #ifdef TARGET_NR_readlinkat
384 static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
385 {
386 return (readlinkat(dirfd, pathname, buf, bufsiz));
387 }
388 #endif
389 #ifdef TARGET_NR_renameat
390 static int sys_renameat(int olddirfd, const char *oldpath,
391 int newdirfd, const char *newpath)
392 {
393 return (renameat(olddirfd, oldpath, newdirfd, newpath));
394 }
395 #endif
396 #ifdef TARGET_NR_symlinkat
397 static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
398 {
399 return (symlinkat(oldpath, newdirfd, newpath));
400 }
401 #endif
402 #ifdef TARGET_NR_unlinkat
403 static int sys_unlinkat(int dirfd, const char *pathname, int flags)
404 {
405 return (unlinkat(dirfd, pathname, flags));
406 }
407 #endif
408 #else /* !CONFIG_ATFILE */
409
410 /*
411 * Try direct syscalls instead
412 */
413 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
414 _syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
415 #endif
416 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
417 _syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
418 #endif
419 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
420 _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
421 uid_t,owner,gid_t,group,int,flags)
422 #endif
423 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
424 defined(__NR_fstatat64)
425 _syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
426 struct stat *,buf,int,flags)
427 #endif
428 #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
429 _syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
430 const struct timeval *,times)
431 #endif
432 #if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
433 defined(__NR_newfstatat)
434 _syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
435 struct stat *,buf,int,flags)
436 #endif
437 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
438 _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
439 int,newdirfd,const char *,newpath,int,flags)
440 #endif
441 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
442 _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
443 #endif
444 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
445 _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
446 mode_t,mode,dev_t,dev)
447 #endif
448 #if defined(TARGET_NR_openat) && defined(__NR_openat)
449 _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
450 #endif
451 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
452 _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
453 char *,buf,size_t,bufsize)
454 #endif
455 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
456 _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
457 int,newdirfd,const char *,newpath)
458 #endif
459 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
460 _syscall3(int,sys_symlinkat,const char *,oldpath,
461 int,newdirfd,const char *,newpath)
462 #endif
463 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
464 _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
465 #endif
466
467 #endif /* CONFIG_ATFILE */
468
469 #ifdef CONFIG_UTIMENSAT
470 static int sys_utimensat(int dirfd, const char *pathname,
471 const struct timespec times[2], int flags)
472 {
473 if (pathname == NULL)
474 return futimens(dirfd, times);
475 else
476 return utimensat(dirfd, pathname, times, flags);
477 }
478 #else
479 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
480 _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
481 const struct timespec *,tsp,int,flags)
482 #endif
483 #endif /* CONFIG_UTIMENSAT */
484
485 #ifdef CONFIG_INOTIFY
486 #include <sys/inotify.h>
487
488 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
489 static int sys_inotify_init(void)
490 {
491 return (inotify_init());
492 }
493 #endif
494 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
495 static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
496 {
497 return (inotify_add_watch(fd, pathname, mask));
498 }
499 #endif
500 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
501 static int sys_inotify_rm_watch(int fd, int32_t wd)
502 {
503 return (inotify_rm_watch(fd, wd));
504 }
505 #endif
506 #else
507 /* Userspace can usually survive runtime without inotify */
508 #undef TARGET_NR_inotify_init
509 #undef TARGET_NR_inotify_add_watch
510 #undef TARGET_NR_inotify_rm_watch
511 #endif /* CONFIG_INOTIFY */
512
513
514 extern int personality(int);
515 extern int flock(int, int);
516 extern int setfsuid(int);
517 extern int setfsgid(int);
518 extern int setgroups(int, gid_t *);
519
520 #define ERRNO_TABLE_SIZE 1200
521
522 /* target_to_host_errno_table[] is initialized from
523 * host_to_target_errno_table[] in syscall_init(). */
524 static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
525 };
526
527 /*
528 * This list is the union of errno values overridden in asm-<arch>/errno.h
529 * minus the errnos that are not actually generic to all archs.
530 */
531 static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
532 [EIDRM] = TARGET_EIDRM,
533 [ECHRNG] = TARGET_ECHRNG,
534 [EL2NSYNC] = TARGET_EL2NSYNC,
535 [EL3HLT] = TARGET_EL3HLT,
536 [EL3RST] = TARGET_EL3RST,
537 [ELNRNG] = TARGET_ELNRNG,
538 [EUNATCH] = TARGET_EUNATCH,
539 [ENOCSI] = TARGET_ENOCSI,
540 [EL2HLT] = TARGET_EL2HLT,
541 [EDEADLK] = TARGET_EDEADLK,
542 [ENOLCK] = TARGET_ENOLCK,
543 [EBADE] = TARGET_EBADE,
544 [EBADR] = TARGET_EBADR,
545 [EXFULL] = TARGET_EXFULL,
546 [ENOANO] = TARGET_ENOANO,
547 [EBADRQC] = TARGET_EBADRQC,
548 [EBADSLT] = TARGET_EBADSLT,
549 [EBFONT] = TARGET_EBFONT,
550 [ENOSTR] = TARGET_ENOSTR,
551 [ENODATA] = TARGET_ENODATA,
552 [ETIME] = TARGET_ETIME,
553 [ENOSR] = TARGET_ENOSR,
554 [ENONET] = TARGET_ENONET,
555 [ENOPKG] = TARGET_ENOPKG,
556 [EREMOTE] = TARGET_EREMOTE,
557 [ENOLINK] = TARGET_ENOLINK,
558 [EADV] = TARGET_EADV,
559 [ESRMNT] = TARGET_ESRMNT,
560 [ECOMM] = TARGET_ECOMM,
561 [EPROTO] = TARGET_EPROTO,
562 [EDOTDOT] = TARGET_EDOTDOT,
563 [EMULTIHOP] = TARGET_EMULTIHOP,
564 [EBADMSG] = TARGET_EBADMSG,
565 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
566 [EOVERFLOW] = TARGET_EOVERFLOW,
567 [ENOTUNIQ] = TARGET_ENOTUNIQ,
568 [EBADFD] = TARGET_EBADFD,
569 [EREMCHG] = TARGET_EREMCHG,
570 [ELIBACC] = TARGET_ELIBACC,
571 [ELIBBAD] = TARGET_ELIBBAD,
572 [ELIBSCN] = TARGET_ELIBSCN,
573 [ELIBMAX] = TARGET_ELIBMAX,
574 [ELIBEXEC] = TARGET_ELIBEXEC,
575 [EILSEQ] = TARGET_EILSEQ,
576 [ENOSYS] = TARGET_ENOSYS,
577 [ELOOP] = TARGET_ELOOP,
578 [ERESTART] = TARGET_ERESTART,
579 [ESTRPIPE] = TARGET_ESTRPIPE,
580 [ENOTEMPTY] = TARGET_ENOTEMPTY,
581 [EUSERS] = TARGET_EUSERS,
582 [ENOTSOCK] = TARGET_ENOTSOCK,
583 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
584 [EMSGSIZE] = TARGET_EMSGSIZE,
585 [EPROTOTYPE] = TARGET_EPROTOTYPE,
586 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
587 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
588 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
589 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
590 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
591 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
592 [EADDRINUSE] = TARGET_EADDRINUSE,
593 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
594 [ENETDOWN] = TARGET_ENETDOWN,
595 [ENETUNREACH] = TARGET_ENETUNREACH,
596 [ENETRESET] = TARGET_ENETRESET,
597 [ECONNABORTED] = TARGET_ECONNABORTED,
598 [ECONNRESET] = TARGET_ECONNRESET,
599 [ENOBUFS] = TARGET_ENOBUFS,
600 [EISCONN] = TARGET_EISCONN,
601 [ENOTCONN] = TARGET_ENOTCONN,
602 [EUCLEAN] = TARGET_EUCLEAN,
603 [ENOTNAM] = TARGET_ENOTNAM,
604 [ENAVAIL] = TARGET_ENAVAIL,
605 [EISNAM] = TARGET_EISNAM,
606 [EREMOTEIO] = TARGET_EREMOTEIO,
607 [ESHUTDOWN] = TARGET_ESHUTDOWN,
608 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
609 [ETIMEDOUT] = TARGET_ETIMEDOUT,
610 [ECONNREFUSED] = TARGET_ECONNREFUSED,
611 [EHOSTDOWN] = TARGET_EHOSTDOWN,
612 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
613 [EALREADY] = TARGET_EALREADY,
614 [EINPROGRESS] = TARGET_EINPROGRESS,
615 [ESTALE] = TARGET_ESTALE,
616 [ECANCELED] = TARGET_ECANCELED,
617 [ENOMEDIUM] = TARGET_ENOMEDIUM,
618 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
619 #ifdef ENOKEY
620 [ENOKEY] = TARGET_ENOKEY,
621 #endif
622 #ifdef EKEYEXPIRED
623 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
624 #endif
625 #ifdef EKEYREVOKED
626 [EKEYREVOKED] = TARGET_EKEYREVOKED,
627 #endif
628 #ifdef EKEYREJECTED
629 [EKEYREJECTED] = TARGET_EKEYREJECTED,
630 #endif
631 #ifdef EOWNERDEAD
632 [EOWNERDEAD] = TARGET_EOWNERDEAD,
633 #endif
634 #ifdef ENOTRECOVERABLE
635 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
636 #endif
637 };
638
639 static inline int host_to_target_errno(int err)
640 {
641 if(host_to_target_errno_table[err])
642 return host_to_target_errno_table[err];
643 return err;
644 }
645
646 static inline int target_to_host_errno(int err)
647 {
648 if (target_to_host_errno_table[err])
649 return target_to_host_errno_table[err];
650 return err;
651 }
652
653 static inline abi_long get_errno(abi_long ret)
654 {
655 if (ret == -1)
656 return -host_to_target_errno(errno);
657 else
658 return ret;
659 }
660
661 static inline int is_error(abi_long ret)
662 {
663 return (abi_ulong)ret >= (abi_ulong)(-4096);
664 }
665
666 char *target_strerror(int err)
667 {
668 return strerror(target_to_host_errno(err));
669 }
670
671 static abi_ulong target_brk;
672 static abi_ulong target_original_brk;
673
674 void target_set_brk(abi_ulong new_brk)
675 {
676 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
677 }
678
679 /* do_brk() must return target values and target errnos. */
680 abi_long do_brk(abi_ulong new_brk)
681 {
682 abi_ulong brk_page;
683 abi_long mapped_addr;
684 int new_alloc_size;
685
686 if (!new_brk)
687 return target_brk;
688 if (new_brk < target_original_brk)
689 return target_brk;
690
691 brk_page = HOST_PAGE_ALIGN(target_brk);
692
693 /* If the new brk is less than this, set it and we're done... */
694 if (new_brk < brk_page) {
695 target_brk = new_brk;
696 return target_brk;
697 }
698
699 /* We need to allocate more memory after the brk... */
700 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
701 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
702 PROT_READ|PROT_WRITE,
703 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
704
705 if (!is_error(mapped_addr))
706 target_brk = new_brk;
707
708 return target_brk;
709 }
710
711 static inline abi_long copy_from_user_fdset(fd_set *fds,
712 abi_ulong target_fds_addr,
713 int n)
714 {
715 int i, nw, j, k;
716 abi_ulong b, *target_fds;
717
718 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
719 if (!(target_fds = lock_user(VERIFY_READ,
720 target_fds_addr,
721 sizeof(abi_ulong) * nw,
722 1)))
723 return -TARGET_EFAULT;
724
725 FD_ZERO(fds);
726 k = 0;
727 for (i = 0; i < nw; i++) {
728 /* grab the abi_ulong */
729 __get_user(b, &target_fds[i]);
730 for (j = 0; j < TARGET_ABI_BITS; j++) {
731 /* check the bit inside the abi_ulong */
732 if ((b >> j) & 1)
733 FD_SET(k, fds);
734 k++;
735 }
736 }
737
738 unlock_user(target_fds, target_fds_addr, 0);
739
740 return 0;
741 }
742
743 static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
744 const fd_set *fds,
745 int n)
746 {
747 int i, nw, j, k;
748 abi_long v;
749 abi_ulong *target_fds;
750
751 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
752 if (!(target_fds = lock_user(VERIFY_WRITE,
753 target_fds_addr,
754 sizeof(abi_ulong) * nw,
755 0)))
756 return -TARGET_EFAULT;
757
758 k = 0;
759 for (i = 0; i < nw; i++) {
760 v = 0;
761 for (j = 0; j < TARGET_ABI_BITS; j++) {
762 v |= ((FD_ISSET(k, fds) != 0) << j);
763 k++;
764 }
765 __put_user(v, &target_fds[i]);
766 }
767
768 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
769
770 return 0;
771 }
772
773 #if defined(__alpha__)
774 #define HOST_HZ 1024
775 #else
776 #define HOST_HZ 100
777 #endif
778
779 static inline abi_long host_to_target_clock_t(long ticks)
780 {
781 #if HOST_HZ == TARGET_HZ
782 return ticks;
783 #else
784 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
785 #endif
786 }
787
788 static inline abi_long host_to_target_rusage(abi_ulong target_addr,
789 const struct rusage *rusage)
790 {
791 struct target_rusage *target_rusage;
792
793 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
794 return -TARGET_EFAULT;
795 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
796 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
797 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
798 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
799 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
800 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
801 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
802 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
803 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
804 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
805 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
806 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
807 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
808 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
809 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
810 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
811 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
812 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
813 unlock_user_struct(target_rusage, target_addr, 1);
814
815 return 0;
816 }
817
818 static inline abi_long copy_from_user_timeval(struct timeval *tv,
819 abi_ulong target_tv_addr)
820 {
821 struct target_timeval *target_tv;
822
823 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
824 return -TARGET_EFAULT;
825
826 __get_user(tv->tv_sec, &target_tv->tv_sec);
827 __get_user(tv->tv_usec, &target_tv->tv_usec);
828
829 unlock_user_struct(target_tv, target_tv_addr, 0);
830
831 return 0;
832 }
833
834 static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
835 const struct timeval *tv)
836 {
837 struct target_timeval *target_tv;
838
839 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
840 return -TARGET_EFAULT;
841
842 __put_user(tv->tv_sec, &target_tv->tv_sec);
843 __put_user(tv->tv_usec, &target_tv->tv_usec);
844
845 unlock_user_struct(target_tv, target_tv_addr, 1);
846
847 return 0;
848 }
849
850 static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
851 abi_ulong target_mq_attr_addr)
852 {
853 struct target_mq_attr *target_mq_attr;
854
855 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
856 target_mq_attr_addr, 1))
857 return -TARGET_EFAULT;
858
859 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
860 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
861 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
862 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
863
864 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
865
866 return 0;
867 }
868
869 static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
870 const struct mq_attr *attr)
871 {
872 struct target_mq_attr *target_mq_attr;
873
874 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
875 target_mq_attr_addr, 0))
876 return -TARGET_EFAULT;
877
878 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
879 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
880 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
881 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
882
883 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
884
885 return 0;
886 }
887
888 /* do_select() must return target values and target errnos. */
889 static abi_long do_select(int n,
890 abi_ulong rfd_addr, abi_ulong wfd_addr,
891 abi_ulong efd_addr, abi_ulong target_tv_addr)
892 {
893 fd_set rfds, wfds, efds;
894 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
895 struct timeval tv, *tv_ptr;
896 abi_long ret;
897
898 if (rfd_addr) {
899 if (copy_from_user_fdset(&rfds, rfd_addr, n))
900 return -TARGET_EFAULT;
901 rfds_ptr = &rfds;
902 } else {
903 rfds_ptr = NULL;
904 }
905 if (wfd_addr) {
906 if (copy_from_user_fdset(&wfds, wfd_addr, n))
907 return -TARGET_EFAULT;
908 wfds_ptr = &wfds;
909 } else {
910 wfds_ptr = NULL;
911 }
912 if (efd_addr) {
913 if (copy_from_user_fdset(&efds, efd_addr, n))
914 return -TARGET_EFAULT;
915 efds_ptr = &efds;
916 } else {
917 efds_ptr = NULL;
918 }
919
920 if (target_tv_addr) {
921 if (copy_from_user_timeval(&tv, target_tv_addr))
922 return -TARGET_EFAULT;
923 tv_ptr = &tv;
924 } else {
925 tv_ptr = NULL;
926 }
927
928 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
929
930 if (!is_error(ret)) {
931 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
932 return -TARGET_EFAULT;
933 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
934 return -TARGET_EFAULT;
935 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
936 return -TARGET_EFAULT;
937
938 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
939 return -TARGET_EFAULT;
940 }
941
942 return ret;
943 }
944
945 static abi_long do_pipe2(int host_pipe[], int flags)
946 {
947 #ifdef CONFIG_PIPE2
948 return pipe2(host_pipe, flags);
949 #else
950 return -ENOSYS;
951 #endif
952 }
953
954 static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, int flags)
955 {
956 int host_pipe[2];
957 abi_long ret;
958 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
959
960 if (is_error(ret))
961 return get_errno(ret);
962 #if defined(TARGET_MIPS)
963 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
964 ret = host_pipe[0];
965 #elif defined(TARGET_SH4)
966 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
967 ret = host_pipe[0];
968 #else
969 if (put_user_s32(host_pipe[0], pipedes)
970 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
971 return -TARGET_EFAULT;
972 #endif
973 return get_errno(ret);
974 }
975
976 static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
977 abi_ulong target_addr,
978 socklen_t len)
979 {
980 struct target_ip_mreqn *target_smreqn;
981
982 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
983 if (!target_smreqn)
984 return -TARGET_EFAULT;
985 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
986 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
987 if (len == sizeof(struct target_ip_mreqn))
988 mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
989 unlock_user(target_smreqn, target_addr, 0);
990
991 return 0;
992 }
993
994 static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
995 abi_ulong target_addr,
996 socklen_t len)
997 {
998 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
999 sa_family_t sa_family;
1000 struct target_sockaddr *target_saddr;
1001
1002 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1003 if (!target_saddr)
1004 return -TARGET_EFAULT;
1005
1006 sa_family = tswap16(target_saddr->sa_family);
1007
1008 /* Oops. The caller might send a incomplete sun_path; sun_path
1009 * must be terminated by \0 (see the manual page), but
1010 * unfortunately it is quite common to specify sockaddr_un
1011 * length as "strlen(x->sun_path)" while it should be
1012 * "strlen(...) + 1". We'll fix that here if needed.
1013 * Linux kernel has a similar feature.
1014 */
1015
1016 if (sa_family == AF_UNIX) {
1017 if (len < unix_maxlen && len > 0) {
1018 char *cp = (char*)target_saddr;
1019
1020 if ( cp[len-1] && !cp[len] )
1021 len++;
1022 }
1023 if (len > unix_maxlen)
1024 len = unix_maxlen;
1025 }
1026
1027 memcpy(addr, target_saddr, len);
1028 addr->sa_family = sa_family;
1029 unlock_user(target_saddr, target_addr, 0);
1030
1031 return 0;
1032 }
1033
1034 static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1035 struct sockaddr *addr,
1036 socklen_t len)
1037 {
1038 struct target_sockaddr *target_saddr;
1039
1040 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1041 if (!target_saddr)
1042 return -TARGET_EFAULT;
1043 memcpy(target_saddr, addr, len);
1044 target_saddr->sa_family = tswap16(addr->sa_family);
1045 unlock_user(target_saddr, target_addr, len);
1046
1047 return 0;
1048 }
1049
1050 /* ??? Should this also swap msgh->name? */
1051 static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1052 struct target_msghdr *target_msgh)
1053 {
1054 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1055 abi_long msg_controllen;
1056 abi_ulong target_cmsg_addr;
1057 struct target_cmsghdr *target_cmsg;
1058 socklen_t space = 0;
1059
1060 msg_controllen = tswapl(target_msgh->msg_controllen);
1061 if (msg_controllen < sizeof (struct target_cmsghdr))
1062 goto the_end;
1063 target_cmsg_addr = tswapl(target_msgh->msg_control);
1064 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1065 if (!target_cmsg)
1066 return -TARGET_EFAULT;
1067
1068 while (cmsg && target_cmsg) {
1069 void *data = CMSG_DATA(cmsg);
1070 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1071
1072 int len = tswapl(target_cmsg->cmsg_len)
1073 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1074
1075 space += CMSG_SPACE(len);
1076 if (space > msgh->msg_controllen) {
1077 space -= CMSG_SPACE(len);
1078 gemu_log("Host cmsg overflow\n");
1079 break;
1080 }
1081
1082 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1083 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1084 cmsg->cmsg_len = CMSG_LEN(len);
1085
1086 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1087 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1088 memcpy(data, target_data, len);
1089 } else {
1090 int *fd = (int *)data;
1091 int *target_fd = (int *)target_data;
1092 int i, numfds = len / sizeof(int);
1093
1094 for (i = 0; i < numfds; i++)
1095 fd[i] = tswap32(target_fd[i]);
1096 }
1097
1098 cmsg = CMSG_NXTHDR(msgh, cmsg);
1099 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1100 }
1101 unlock_user(target_cmsg, target_cmsg_addr, 0);
1102 the_end:
1103 msgh->msg_controllen = space;
1104 return 0;
1105 }
1106
1107 /* ??? Should this also swap msgh->name? */
1108 static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1109 struct msghdr *msgh)
1110 {
1111 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1112 abi_long msg_controllen;
1113 abi_ulong target_cmsg_addr;
1114 struct target_cmsghdr *target_cmsg;
1115 socklen_t space = 0;
1116
1117 msg_controllen = tswapl(target_msgh->msg_controllen);
1118 if (msg_controllen < sizeof (struct target_cmsghdr))
1119 goto the_end;
1120 target_cmsg_addr = tswapl(target_msgh->msg_control);
1121 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1122 if (!target_cmsg)
1123 return -TARGET_EFAULT;
1124
1125 while (cmsg && target_cmsg) {
1126 void *data = CMSG_DATA(cmsg);
1127 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1128
1129 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1130
1131 space += TARGET_CMSG_SPACE(len);
1132 if (space > msg_controllen) {
1133 space -= TARGET_CMSG_SPACE(len);
1134 gemu_log("Target cmsg overflow\n");
1135 break;
1136 }
1137
1138 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1139 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1140 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1141
1142 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1143 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1144 memcpy(target_data, data, len);
1145 } else {
1146 int *fd = (int *)data;
1147 int *target_fd = (int *)target_data;
1148 int i, numfds = len / sizeof(int);
1149
1150 for (i = 0; i < numfds; i++)
1151 target_fd[i] = tswap32(fd[i]);
1152 }
1153
1154 cmsg = CMSG_NXTHDR(msgh, cmsg);
1155 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1156 }
1157 unlock_user(target_cmsg, target_cmsg_addr, space);
1158 the_end:
1159 target_msgh->msg_controllen = tswapl(space);
1160 return 0;
1161 }
1162
1163 /* do_setsockopt() Must return target values and target errnos. */
1164 static abi_long do_setsockopt(int sockfd, int level, int optname,
1165 abi_ulong optval_addr, socklen_t optlen)
1166 {
1167 abi_long ret;
1168 int val;
1169 struct ip_mreqn *ip_mreq;
1170 struct ip_mreq_source *ip_mreq_source;
1171
1172 switch(level) {
1173 case SOL_TCP:
1174 /* TCP options all take an 'int' value. */
1175 if (optlen < sizeof(uint32_t))
1176 return -TARGET_EINVAL;
1177
1178 if (get_user_u32(val, optval_addr))
1179 return -TARGET_EFAULT;
1180 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1181 break;
1182 case SOL_IP:
1183 switch(optname) {
1184 case IP_TOS:
1185 case IP_TTL:
1186 case IP_HDRINCL:
1187 case IP_ROUTER_ALERT:
1188 case IP_RECVOPTS:
1189 case IP_RETOPTS:
1190 case IP_PKTINFO:
1191 case IP_MTU_DISCOVER:
1192 case IP_RECVERR:
1193 case IP_RECVTOS:
1194 #ifdef IP_FREEBIND
1195 case IP_FREEBIND:
1196 #endif
1197 case IP_MULTICAST_TTL:
1198 case IP_MULTICAST_LOOP:
1199 val = 0;
1200 if (optlen >= sizeof(uint32_t)) {
1201 if (get_user_u32(val, optval_addr))
1202 return -TARGET_EFAULT;
1203 } else if (optlen >= 1) {
1204 if (get_user_u8(val, optval_addr))
1205 return -TARGET_EFAULT;
1206 }
1207 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1208 break;
1209 case IP_ADD_MEMBERSHIP:
1210 case IP_DROP_MEMBERSHIP:
1211 if (optlen < sizeof (struct target_ip_mreq) ||
1212 optlen > sizeof (struct target_ip_mreqn))
1213 return -TARGET_EINVAL;
1214
1215 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1216 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1217 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1218 break;
1219
1220 case IP_BLOCK_SOURCE:
1221 case IP_UNBLOCK_SOURCE:
1222 case IP_ADD_SOURCE_MEMBERSHIP:
1223 case IP_DROP_SOURCE_MEMBERSHIP:
1224 if (optlen != sizeof (struct target_ip_mreq_source))
1225 return -TARGET_EINVAL;
1226
1227 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1228 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1229 unlock_user (ip_mreq_source, optval_addr, 0);
1230 break;
1231
1232 default:
1233 goto unimplemented;
1234 }
1235 break;
1236 case TARGET_SOL_SOCKET:
1237 switch (optname) {
1238 /* Options with 'int' argument. */
1239 case TARGET_SO_DEBUG:
1240 optname = SO_DEBUG;
1241 break;
1242 case TARGET_SO_REUSEADDR:
1243 optname = SO_REUSEADDR;
1244 break;
1245 case TARGET_SO_TYPE:
1246 optname = SO_TYPE;
1247 break;
1248 case TARGET_SO_ERROR:
1249 optname = SO_ERROR;
1250 break;
1251 case TARGET_SO_DONTROUTE:
1252 optname = SO_DONTROUTE;
1253 break;
1254 case TARGET_SO_BROADCAST:
1255 optname = SO_BROADCAST;
1256 break;
1257 case TARGET_SO_SNDBUF:
1258 optname = SO_SNDBUF;
1259 break;
1260 case TARGET_SO_RCVBUF:
1261 optname = SO_RCVBUF;
1262 break;
1263 case TARGET_SO_KEEPALIVE:
1264 optname = SO_KEEPALIVE;
1265 break;
1266 case TARGET_SO_OOBINLINE:
1267 optname = SO_OOBINLINE;
1268 break;
1269 case TARGET_SO_NO_CHECK:
1270 optname = SO_NO_CHECK;
1271 break;
1272 case TARGET_SO_PRIORITY:
1273 optname = SO_PRIORITY;
1274 break;
1275 #ifdef SO_BSDCOMPAT
1276 case TARGET_SO_BSDCOMPAT:
1277 optname = SO_BSDCOMPAT;
1278 break;
1279 #endif
1280 case TARGET_SO_PASSCRED:
1281 optname = SO_PASSCRED;
1282 break;
1283 case TARGET_SO_TIMESTAMP:
1284 optname = SO_TIMESTAMP;
1285 break;
1286 case TARGET_SO_RCVLOWAT:
1287 optname = SO_RCVLOWAT;
1288 break;
1289 case TARGET_SO_RCVTIMEO:
1290 optname = SO_RCVTIMEO;
1291 break;
1292 case TARGET_SO_SNDTIMEO:
1293 optname = SO_SNDTIMEO;
1294 break;
1295 break;
1296 default:
1297 goto unimplemented;
1298 }
1299 if (optlen < sizeof(uint32_t))
1300 return -TARGET_EINVAL;
1301
1302 if (get_user_u32(val, optval_addr))
1303 return -TARGET_EFAULT;
1304 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
1305 break;
1306 default:
1307 unimplemented:
1308 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
1309 ret = -TARGET_ENOPROTOOPT;
1310 }
1311 return ret;
1312 }
1313
1314 /* do_getsockopt() Must return target values and target errnos. */
1315 static abi_long do_getsockopt(int sockfd, int level, int optname,
1316 abi_ulong optval_addr, abi_ulong optlen)
1317 {
1318 abi_long ret;
1319 int len, val;
1320 socklen_t lv;
1321
1322 switch(level) {
1323 case TARGET_SOL_SOCKET:
1324 level = SOL_SOCKET;
1325 switch (optname) {
1326 case TARGET_SO_LINGER:
1327 case TARGET_SO_RCVTIMEO:
1328 case TARGET_SO_SNDTIMEO:
1329 case TARGET_SO_PEERCRED:
1330 case TARGET_SO_PEERNAME:
1331 /* These don't just return a single integer */
1332 goto unimplemented;
1333 default:
1334 goto int_case;
1335 }
1336 break;
1337 case SOL_TCP:
1338 /* TCP options all take an 'int' value. */
1339 int_case:
1340 if (get_user_u32(len, optlen))
1341 return -TARGET_EFAULT;
1342 if (len < 0)
1343 return -TARGET_EINVAL;
1344 lv = sizeof(int);
1345 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1346 if (ret < 0)
1347 return ret;
1348 if (len > lv)
1349 len = lv;
1350 if (len == 4) {
1351 if (put_user_u32(val, optval_addr))
1352 return -TARGET_EFAULT;
1353 } else {
1354 if (put_user_u8(val, optval_addr))
1355 return -TARGET_EFAULT;
1356 }
1357 if (put_user_u32(len, optlen))
1358 return -TARGET_EFAULT;
1359 break;
1360 case SOL_IP:
1361 switch(optname) {
1362 case IP_TOS:
1363 case IP_TTL:
1364 case IP_HDRINCL:
1365 case IP_ROUTER_ALERT:
1366 case IP_RECVOPTS:
1367 case IP_RETOPTS:
1368 case IP_PKTINFO:
1369 case IP_MTU_DISCOVER:
1370 case IP_RECVERR:
1371 case IP_RECVTOS:
1372 #ifdef IP_FREEBIND
1373 case IP_FREEBIND:
1374 #endif
1375 case IP_MULTICAST_TTL:
1376 case IP_MULTICAST_LOOP:
1377 if (get_user_u32(len, optlen))
1378 return -TARGET_EFAULT;
1379 if (len < 0)
1380 return -TARGET_EINVAL;
1381 lv = sizeof(int);
1382 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1383 if (ret < 0)
1384 return ret;
1385 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
1386 len = 1;
1387 if (put_user_u32(len, optlen)
1388 || put_user_u8(val, optval_addr))
1389 return -TARGET_EFAULT;
1390 } else {
1391 if (len > sizeof(int))
1392 len = sizeof(int);
1393 if (put_user_u32(len, optlen)
1394 || put_user_u32(val, optval_addr))
1395 return -TARGET_EFAULT;
1396 }
1397 break;
1398 default:
1399 ret = -TARGET_ENOPROTOOPT;
1400 break;
1401 }
1402 break;
1403 default:
1404 unimplemented:
1405 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1406 level, optname);
1407 ret = -TARGET_EOPNOTSUPP;
1408 break;
1409 }
1410 return ret;
1411 }
1412
1413 /* FIXME
1414 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1415 * other lock functions have a return code of 0 for failure.
1416 */
1417 static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1418 int count, int copy)
1419 {
1420 struct target_iovec *target_vec;
1421 abi_ulong base;
1422 int i;
1423
1424 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1425 if (!target_vec)
1426 return -TARGET_EFAULT;
1427 for(i = 0;i < count; i++) {
1428 base = tswapl(target_vec[i].iov_base);
1429 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1430 if (vec[i].iov_len != 0) {
1431 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
1432 /* Don't check lock_user return value. We must call writev even
1433 if a element has invalid base address. */
1434 } else {
1435 /* zero length pointer is ignored */
1436 vec[i].iov_base = NULL;
1437 }
1438 }
1439 unlock_user (target_vec, target_addr, 0);
1440 return 0;
1441 }
1442
1443 static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1444 int count, int copy)
1445 {
1446 struct target_iovec *target_vec;
1447 abi_ulong base;
1448 int i;
1449
1450 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1451 if (!target_vec)
1452 return -TARGET_EFAULT;
1453 for(i = 0;i < count; i++) {
1454 if (target_vec[i].iov_base) {
1455 base = tswapl(target_vec[i].iov_base);
1456 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1457 }
1458 }
1459 unlock_user (target_vec, target_addr, 0);
1460
1461 return 0;
1462 }
1463
1464 /* do_socket() Must return target values and target errnos. */
1465 static abi_long do_socket(int domain, int type, int protocol)
1466 {
1467 #if defined(TARGET_MIPS)
1468 switch(type) {
1469 case TARGET_SOCK_DGRAM:
1470 type = SOCK_DGRAM;
1471 break;
1472 case TARGET_SOCK_STREAM:
1473 type = SOCK_STREAM;
1474 break;
1475 case TARGET_SOCK_RAW:
1476 type = SOCK_RAW;
1477 break;
1478 case TARGET_SOCK_RDM:
1479 type = SOCK_RDM;
1480 break;
1481 case TARGET_SOCK_SEQPACKET:
1482 type = SOCK_SEQPACKET;
1483 break;
1484 case TARGET_SOCK_PACKET:
1485 type = SOCK_PACKET;
1486 break;
1487 }
1488 #endif
1489 if (domain == PF_NETLINK)
1490 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
1491 return get_errno(socket(domain, type, protocol));
1492 }
1493
1494 /* do_bind() Must return target values and target errnos. */
1495 static abi_long do_bind(int sockfd, abi_ulong target_addr,
1496 socklen_t addrlen)
1497 {
1498 void *addr;
1499 abi_long ret;
1500
1501 if (addrlen < 0)
1502 return -TARGET_EINVAL;
1503
1504 addr = alloca(addrlen+1);
1505
1506 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1507 if (ret)
1508 return ret;
1509
1510 return get_errno(bind(sockfd, addr, addrlen));
1511 }
1512
1513 /* do_connect() Must return target values and target errnos. */
1514 static abi_long do_connect(int sockfd, abi_ulong target_addr,
1515 socklen_t addrlen)
1516 {
1517 void *addr;
1518 abi_long ret;
1519
1520 if (addrlen < 0)
1521 return -TARGET_EINVAL;
1522
1523 addr = alloca(addrlen);
1524
1525 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1526 if (ret)
1527 return ret;
1528
1529 return get_errno(connect(sockfd, addr, addrlen));
1530 }
1531
1532 /* do_sendrecvmsg() Must return target values and target errnos. */
1533 static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1534 int flags, int send)
1535 {
1536 abi_long ret, len;
1537 struct target_msghdr *msgp;
1538 struct msghdr msg;
1539 int count;
1540 struct iovec *vec;
1541 abi_ulong target_vec;
1542
1543 /* FIXME */
1544 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1545 msgp,
1546 target_msg,
1547 send ? 1 : 0))
1548 return -TARGET_EFAULT;
1549 if (msgp->msg_name) {
1550 msg.msg_namelen = tswap32(msgp->msg_namelen);
1551 msg.msg_name = alloca(msg.msg_namelen);
1552 ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1553 msg.msg_namelen);
1554 if (ret) {
1555 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1556 return ret;
1557 }
1558 } else {
1559 msg.msg_name = NULL;
1560 msg.msg_namelen = 0;
1561 }
1562 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1563 msg.msg_control = alloca(msg.msg_controllen);
1564 msg.msg_flags = tswap32(msgp->msg_flags);
1565
1566 count = tswapl(msgp->msg_iovlen);
1567 vec = alloca(count * sizeof(struct iovec));
1568 target_vec = tswapl(msgp->msg_iov);
1569 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1570 msg.msg_iovlen = count;
1571 msg.msg_iov = vec;
1572
1573 if (send) {
1574 ret = target_to_host_cmsg(&msg, msgp);
1575 if (ret == 0)
1576 ret = get_errno(sendmsg(fd, &msg, flags));
1577 } else {
1578 ret = get_errno(recvmsg(fd, &msg, flags));
1579 if (!is_error(ret)) {
1580 len = ret;
1581 ret = host_to_target_cmsg(msgp, &msg);
1582 if (!is_error(ret))
1583 ret = len;
1584 }
1585 }
1586 unlock_iovec(vec, target_vec, count, !send);
1587 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1588 return ret;
1589 }
1590
1591 /* do_accept() Must return target values and target errnos. */
1592 static abi_long do_accept(int fd, abi_ulong target_addr,
1593 abi_ulong target_addrlen_addr)
1594 {
1595 socklen_t addrlen;
1596 void *addr;
1597 abi_long ret;
1598
1599 if (target_addr == 0)
1600 return get_errno(accept(fd, NULL, NULL));
1601
1602 /* linux returns EINVAL if addrlen pointer is invalid */
1603 if (get_user_u32(addrlen, target_addrlen_addr))
1604 return -TARGET_EINVAL;
1605
1606 if (addrlen < 0)
1607 return -TARGET_EINVAL;
1608
1609 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1610 return -TARGET_EINVAL;
1611
1612 addr = alloca(addrlen);
1613
1614 ret = get_errno(accept(fd, addr, &addrlen));
1615 if (!is_error(ret)) {
1616 host_to_target_sockaddr(target_addr, addr, addrlen);
1617 if (put_user_u32(addrlen, target_addrlen_addr))
1618 ret = -TARGET_EFAULT;
1619 }
1620 return ret;
1621 }
1622
1623 /* do_getpeername() Must return target values and target errnos. */
1624 static abi_long do_getpeername(int fd, abi_ulong target_addr,
1625 abi_ulong target_addrlen_addr)
1626 {
1627 socklen_t addrlen;
1628 void *addr;
1629 abi_long ret;
1630
1631 if (get_user_u32(addrlen, target_addrlen_addr))
1632 return -TARGET_EFAULT;
1633
1634 if (addrlen < 0)
1635 return -TARGET_EINVAL;
1636
1637 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1638 return -TARGET_EFAULT;
1639
1640 addr = alloca(addrlen);
1641
1642 ret = get_errno(getpeername(fd, addr, &addrlen));
1643 if (!is_error(ret)) {
1644 host_to_target_sockaddr(target_addr, addr, addrlen);
1645 if (put_user_u32(addrlen, target_addrlen_addr))
1646 ret = -TARGET_EFAULT;
1647 }
1648 return ret;
1649 }
1650
1651 /* do_getsockname() Must return target values and target errnos. */
1652 static abi_long do_getsockname(int fd, abi_ulong target_addr,
1653 abi_ulong target_addrlen_addr)
1654 {
1655 socklen_t addrlen;
1656 void *addr;
1657 abi_long ret;
1658
1659 if (get_user_u32(addrlen, target_addrlen_addr))
1660 return -TARGET_EFAULT;
1661
1662 if (addrlen < 0)
1663 return -TARGET_EINVAL;
1664
1665 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1666 return -TARGET_EFAULT;
1667
1668 addr = alloca(addrlen);
1669
1670 ret = get_errno(getsockname(fd, addr, &addrlen));
1671 if (!is_error(ret)) {
1672 host_to_target_sockaddr(target_addr, addr, addrlen);
1673 if (put_user_u32(addrlen, target_addrlen_addr))
1674 ret = -TARGET_EFAULT;
1675 }
1676 return ret;
1677 }
1678
1679 /* do_socketpair() Must return target values and target errnos. */
1680 static abi_long do_socketpair(int domain, int type, int protocol,
1681 abi_ulong target_tab_addr)
1682 {
1683 int tab[2];
1684 abi_long ret;
1685
1686 ret = get_errno(socketpair(domain, type, protocol, tab));
1687 if (!is_error(ret)) {
1688 if (put_user_s32(tab[0], target_tab_addr)
1689 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1690 ret = -TARGET_EFAULT;
1691 }
1692 return ret;
1693 }
1694
1695 /* do_sendto() Must return target values and target errnos. */
1696 static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1697 abi_ulong target_addr, socklen_t addrlen)
1698 {
1699 void *addr;
1700 void *host_msg;
1701 abi_long ret;
1702
1703 if (addrlen < 0)
1704 return -TARGET_EINVAL;
1705
1706 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1707 if (!host_msg)
1708 return -TARGET_EFAULT;
1709 if (target_addr) {
1710 addr = alloca(addrlen);
1711 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1712 if (ret) {
1713 unlock_user(host_msg, msg, 0);
1714 return ret;
1715 }
1716 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1717 } else {
1718 ret = get_errno(send(fd, host_msg, len, flags));
1719 }
1720 unlock_user(host_msg, msg, 0);
1721 return ret;
1722 }
1723
1724 /* do_recvfrom() Must return target values and target errnos. */
1725 static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1726 abi_ulong target_addr,
1727 abi_ulong target_addrlen)
1728 {
1729 socklen_t addrlen;
1730 void *addr;
1731 void *host_msg;
1732 abi_long ret;
1733
1734 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1735 if (!host_msg)
1736 return -TARGET_EFAULT;
1737 if (target_addr) {
1738 if (get_user_u32(addrlen, target_addrlen)) {
1739 ret = -TARGET_EFAULT;
1740 goto fail;
1741 }
1742 if (addrlen < 0) {
1743 ret = -TARGET_EINVAL;
1744 goto fail;
1745 }
1746 addr = alloca(addrlen);
1747 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1748 } else {
1749 addr = NULL; /* To keep compiler quiet. */
1750 ret = get_errno(recv(fd, host_msg, len, flags));
1751 }
1752 if (!is_error(ret)) {
1753 if (target_addr) {
1754 host_to_target_sockaddr(target_addr, addr, addrlen);
1755 if (put_user_u32(addrlen, target_addrlen)) {
1756 ret = -TARGET_EFAULT;
1757 goto fail;
1758 }
1759 }
1760 unlock_user(host_msg, msg, len);
1761 } else {
1762 fail:
1763 unlock_user(host_msg, msg, 0);
1764 }
1765 return ret;
1766 }
1767
1768 #ifdef TARGET_NR_socketcall
1769 /* do_socketcall() Must return target values and target errnos. */
1770 static abi_long do_socketcall(int num, abi_ulong vptr)
1771 {
1772 abi_long ret;
1773 const int n = sizeof(abi_ulong);
1774
1775 switch(num) {
1776 case SOCKOP_socket:
1777 {
1778 abi_ulong domain, type, protocol;
1779
1780 if (get_user_ual(domain, vptr)
1781 || get_user_ual(type, vptr + n)
1782 || get_user_ual(protocol, vptr + 2 * n))
1783 return -TARGET_EFAULT;
1784
1785 ret = do_socket(domain, type, protocol);
1786 }
1787 break;
1788 case SOCKOP_bind:
1789 {
1790 abi_ulong sockfd;
1791 abi_ulong target_addr;
1792 socklen_t addrlen;
1793
1794 if (get_user_ual(sockfd, vptr)
1795 || get_user_ual(target_addr, vptr + n)
1796 || get_user_ual(addrlen, vptr + 2 * n))
1797 return -TARGET_EFAULT;
1798
1799 ret = do_bind(sockfd, target_addr, addrlen);
1800 }
1801 break;
1802 case SOCKOP_connect:
1803 {
1804 abi_ulong sockfd;
1805 abi_ulong target_addr;
1806 socklen_t addrlen;
1807
1808 if (get_user_ual(sockfd, vptr)
1809 || get_user_ual(target_addr, vptr + n)
1810 || get_user_ual(addrlen, vptr + 2 * n))
1811 return -TARGET_EFAULT;
1812
1813 ret = do_connect(sockfd, target_addr, addrlen);
1814 }
1815 break;
1816 case SOCKOP_listen:
1817 {
1818 abi_ulong sockfd, backlog;
1819
1820 if (get_user_ual(sockfd, vptr)
1821 || get_user_ual(backlog, vptr + n))
1822 return -TARGET_EFAULT;
1823
1824 ret = get_errno(listen(sockfd, backlog));
1825 }
1826 break;
1827 case SOCKOP_accept:
1828 {
1829 abi_ulong sockfd;
1830 abi_ulong target_addr, target_addrlen;
1831
1832 if (get_user_ual(sockfd, vptr)
1833 || get_user_ual(target_addr, vptr + n)
1834 || get_user_ual(target_addrlen, vptr + 2 * n))
1835 return -TARGET_EFAULT;
1836
1837 ret = do_accept(sockfd, target_addr, target_addrlen);
1838 }
1839 break;
1840 case SOCKOP_getsockname:
1841 {
1842 abi_ulong sockfd;
1843 abi_ulong target_addr, target_addrlen;
1844
1845 if (get_user_ual(sockfd, vptr)
1846 || get_user_ual(target_addr, vptr + n)
1847 || get_user_ual(target_addrlen, vptr + 2 * n))
1848 return -TARGET_EFAULT;
1849
1850 ret = do_getsockname(sockfd, target_addr, target_addrlen);
1851 }
1852 break;
1853 case SOCKOP_getpeername:
1854 {
1855 abi_ulong sockfd;
1856 abi_ulong target_addr, target_addrlen;
1857
1858 if (get_user_ual(sockfd, vptr)
1859 || get_user_ual(target_addr, vptr + n)
1860 || get_user_ual(target_addrlen, vptr + 2 * n))
1861 return -TARGET_EFAULT;
1862
1863 ret = do_getpeername(sockfd, target_addr, target_addrlen);
1864 }
1865 break;
1866 case SOCKOP_socketpair:
1867 {
1868 abi_ulong domain, type, protocol;
1869 abi_ulong tab;
1870
1871 if (get_user_ual(domain, vptr)
1872 || get_user_ual(type, vptr + n)
1873 || get_user_ual(protocol, vptr + 2 * n)
1874 || get_user_ual(tab, vptr + 3 * n))
1875 return -TARGET_EFAULT;
1876
1877 ret = do_socketpair(domain, type, protocol, tab);
1878 }
1879 break;
1880 case SOCKOP_send:
1881 {
1882 abi_ulong sockfd;
1883 abi_ulong msg;
1884 size_t len;
1885 abi_ulong flags;
1886
1887 if (get_user_ual(sockfd, vptr)
1888 || get_user_ual(msg, vptr + n)
1889 || get_user_ual(len, vptr + 2 * n)
1890 || get_user_ual(flags, vptr + 3 * n))
1891 return -TARGET_EFAULT;
1892
1893 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1894 }
1895 break;
1896 case SOCKOP_recv:
1897 {
1898 abi_ulong sockfd;
1899 abi_ulong msg;
1900 size_t len;
1901 abi_ulong flags;
1902
1903 if (get_user_ual(sockfd, vptr)
1904 || get_user_ual(msg, vptr + n)
1905 || get_user_ual(len, vptr + 2 * n)
1906 || get_user_ual(flags, vptr + 3 * n))
1907 return -TARGET_EFAULT;
1908
1909 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1910 }
1911 break;
1912 case SOCKOP_sendto:
1913 {
1914 abi_ulong sockfd;
1915 abi_ulong msg;
1916 size_t len;
1917 abi_ulong flags;
1918 abi_ulong addr;
1919 socklen_t addrlen;
1920
1921 if (get_user_ual(sockfd, vptr)
1922 || get_user_ual(msg, vptr + n)
1923 || get_user_ual(len, vptr + 2 * n)
1924 || get_user_ual(flags, vptr + 3 * n)
1925 || get_user_ual(addr, vptr + 4 * n)
1926 || get_user_ual(addrlen, vptr + 5 * n))
1927 return -TARGET_EFAULT;
1928
1929 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1930 }
1931 break;
1932 case SOCKOP_recvfrom:
1933 {
1934 abi_ulong sockfd;
1935 abi_ulong msg;
1936 size_t len;
1937 abi_ulong flags;
1938 abi_ulong addr;
1939 socklen_t addrlen;
1940
1941 if (get_user_ual(sockfd, vptr)
1942 || get_user_ual(msg, vptr + n)
1943 || get_user_ual(len, vptr + 2 * n)
1944 || get_user_ual(flags, vptr + 3 * n)
1945 || get_user_ual(addr, vptr + 4 * n)
1946 || get_user_ual(addrlen, vptr + 5 * n))
1947 return -TARGET_EFAULT;
1948
1949 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1950 }
1951 break;
1952 case SOCKOP_shutdown:
1953 {
1954 abi_ulong sockfd, how;
1955
1956 if (get_user_ual(sockfd, vptr)
1957 || get_user_ual(how, vptr + n))
1958 return -TARGET_EFAULT;
1959
1960 ret = get_errno(shutdown(sockfd, how));
1961 }
1962 break;
1963 case SOCKOP_sendmsg:
1964 case SOCKOP_recvmsg:
1965 {
1966 abi_ulong fd;
1967 abi_ulong target_msg;
1968 abi_ulong flags;
1969
1970 if (get_user_ual(fd, vptr)
1971 || get_user_ual(target_msg, vptr + n)
1972 || get_user_ual(flags, vptr + 2 * n))
1973 return -TARGET_EFAULT;
1974
1975 ret = do_sendrecvmsg(fd, target_msg, flags,
1976 (num == SOCKOP_sendmsg));
1977 }
1978 break;
1979 case SOCKOP_setsockopt:
1980 {
1981 abi_ulong sockfd;
1982 abi_ulong level;
1983 abi_ulong optname;
1984 abi_ulong optval;
1985 socklen_t optlen;
1986
1987 if (get_user_ual(sockfd, vptr)
1988 || get_user_ual(level, vptr + n)
1989 || get_user_ual(optname, vptr + 2 * n)
1990 || get_user_ual(optval, vptr + 3 * n)
1991 || get_user_ual(optlen, vptr + 4 * n))
1992 return -TARGET_EFAULT;
1993
1994 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1995 }
1996 break;
1997 case SOCKOP_getsockopt:
1998 {
1999 abi_ulong sockfd;
2000 abi_ulong level;
2001 abi_ulong optname;
2002 abi_ulong optval;
2003 socklen_t optlen;
2004
2005 if (get_user_ual(sockfd, vptr)
2006 || get_user_ual(level, vptr + n)
2007 || get_user_ual(optname, vptr + 2 * n)
2008 || get_user_ual(optval, vptr + 3 * n)
2009 || get_user_ual(optlen, vptr + 4 * n))
2010 return -TARGET_EFAULT;
2011
2012 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
2013 }
2014 break;
2015 default:
2016 gemu_log("Unsupported socketcall: %d\n", num);
2017 ret = -TARGET_ENOSYS;
2018 break;
2019 }
2020 return ret;
2021 }
2022 #endif
2023
2024 #define N_SHM_REGIONS 32
2025
2026 static struct shm_region {
2027 abi_ulong start;
2028 abi_ulong size;
2029 } shm_regions[N_SHM_REGIONS];
2030
2031 struct target_ipc_perm
2032 {
2033 abi_long __key;
2034 abi_ulong uid;
2035 abi_ulong gid;
2036 abi_ulong cuid;
2037 abi_ulong cgid;
2038 unsigned short int mode;
2039 unsigned short int __pad1;
2040 unsigned short int __seq;
2041 unsigned short int __pad2;
2042 abi_ulong __unused1;
2043 abi_ulong __unused2;
2044 };
2045
2046 struct target_semid_ds
2047 {
2048 struct target_ipc_perm sem_perm;
2049 abi_ulong sem_otime;
2050 abi_ulong __unused1;
2051 abi_ulong sem_ctime;
2052 abi_ulong __unused2;
2053 abi_ulong sem_nsems;
2054 abi_ulong __unused3;
2055 abi_ulong __unused4;
2056 };
2057
2058 static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2059 abi_ulong target_addr)
2060 {
2061 struct target_ipc_perm *target_ip;
2062 struct target_semid_ds *target_sd;
2063
2064 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2065 return -TARGET_EFAULT;
2066 target_ip=&(target_sd->sem_perm);
2067 host_ip->__key = tswapl(target_ip->__key);
2068 host_ip->uid = tswapl(target_ip->uid);
2069 host_ip->gid = tswapl(target_ip->gid);
2070 host_ip->cuid = tswapl(target_ip->cuid);
2071 host_ip->cgid = tswapl(target_ip->cgid);
2072 host_ip->mode = tswapl(target_ip->mode);
2073 unlock_user_struct(target_sd, target_addr, 0);
2074 return 0;
2075 }
2076
2077 static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2078 struct ipc_perm *host_ip)
2079 {
2080 struct target_ipc_perm *target_ip;
2081 struct target_semid_ds *target_sd;
2082
2083 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2084 return -TARGET_EFAULT;
2085 target_ip = &(target_sd->sem_perm);
2086 target_ip->__key = tswapl(host_ip->__key);
2087 target_ip->uid = tswapl(host_ip->uid);
2088 target_ip->gid = tswapl(host_ip->gid);
2089 target_ip->cuid = tswapl(host_ip->cuid);
2090 target_ip->cgid = tswapl(host_ip->cgid);
2091 target_ip->mode = tswapl(host_ip->mode);
2092 unlock_user_struct(target_sd, target_addr, 1);
2093 return 0;
2094 }
2095
2096 static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2097 abi_ulong target_addr)
2098 {
2099 struct target_semid_ds *target_sd;
2100
2101 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2102 return -TARGET_EFAULT;
2103 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2104 return -TARGET_EFAULT;
2105 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2106 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2107 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2108 unlock_user_struct(target_sd, target_addr, 0);
2109 return 0;
2110 }
2111
2112 static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2113 struct semid_ds *host_sd)
2114 {
2115 struct target_semid_ds *target_sd;
2116
2117 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2118 return -TARGET_EFAULT;
2119 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2120 return -TARGET_EFAULT;;
2121 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2122 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2123 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2124 unlock_user_struct(target_sd, target_addr, 1);
2125 return 0;
2126 }
2127
2128 struct target_seminfo {
2129 int semmap;
2130 int semmni;
2131 int semmns;
2132 int semmnu;
2133 int semmsl;
2134 int semopm;
2135 int semume;
2136 int semusz;
2137 int semvmx;
2138 int semaem;
2139 };
2140
2141 static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2142 struct seminfo *host_seminfo)
2143 {
2144 struct target_seminfo *target_seminfo;
2145 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2146 return -TARGET_EFAULT;
2147 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2148 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2149 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2150 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2151 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2152 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2153 __put_user(host_seminfo->semume, &target_seminfo->semume);
2154 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2155 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2156 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2157 unlock_user_struct(target_seminfo, target_addr, 1);
2158 return 0;
2159 }
2160
2161 union semun {
2162 int val;
2163 struct semid_ds *buf;
2164 unsigned short *array;
2165 struct seminfo *__buf;
2166 };
2167
2168 union target_semun {
2169 int val;
2170 abi_ulong buf;
2171 abi_ulong array;
2172 abi_ulong __buf;
2173 };
2174
2175 static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2176 abi_ulong target_addr)
2177 {
2178 int nsems;
2179 unsigned short *array;
2180 union semun semun;
2181 struct semid_ds semid_ds;
2182 int i, ret;
2183
2184 semun.buf = &semid_ds;
2185
2186 ret = semctl(semid, 0, IPC_STAT, semun);
2187 if (ret == -1)
2188 return get_errno(ret);
2189
2190 nsems = semid_ds.sem_nsems;
2191
2192 *host_array = malloc(nsems*sizeof(unsigned short));
2193 array = lock_user(VERIFY_READ, target_addr,
2194 nsems*sizeof(unsigned short), 1);
2195 if (!array)
2196 return -TARGET_EFAULT;
2197
2198 for(i=0; i<nsems; i++) {
2199 __get_user((*host_array)[i], &array[i]);
2200 }
2201 unlock_user(array, target_addr, 0);
2202
2203 return 0;
2204 }
2205
2206 static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2207 unsigned short **host_array)
2208 {
2209 int nsems;
2210 unsigned short *array;
2211 union semun semun;
2212 struct semid_ds semid_ds;
2213 int i, ret;
2214
2215 semun.buf = &semid_ds;
2216
2217 ret = semctl(semid, 0, IPC_STAT, semun);
2218 if (ret == -1)
2219 return get_errno(ret);
2220
2221 nsems = semid_ds.sem_nsems;
2222
2223 array = lock_user(VERIFY_WRITE, target_addr,
2224 nsems*sizeof(unsigned short), 0);
2225 if (!array)
2226 return -TARGET_EFAULT;
2227
2228 for(i=0; i<nsems; i++) {
2229 __put_user((*host_array)[i], &array[i]);
2230 }
2231 free(*host_array);
2232 unlock_user(array, target_addr, 1);
2233
2234 return 0;
2235 }
2236
2237 static inline abi_long do_semctl(int semid, int semnum, int cmd,
2238 union target_semun target_su)
2239 {
2240 union semun arg;
2241 struct semid_ds dsarg;
2242 unsigned short *array = NULL;
2243 struct seminfo seminfo;
2244 abi_long ret = -TARGET_EINVAL;
2245 abi_long err;
2246 cmd &= 0xff;
2247
2248 switch( cmd ) {
2249 case GETVAL:
2250 case SETVAL:
2251 arg.val = tswapl(target_su.val);
2252 ret = get_errno(semctl(semid, semnum, cmd, arg));
2253 target_su.val = tswapl(arg.val);
2254 break;
2255 case GETALL:
2256 case SETALL:
2257 err = target_to_host_semarray(semid, &array, target_su.array);
2258 if (err)
2259 return err;
2260 arg.array = array;
2261 ret = get_errno(semctl(semid, semnum, cmd, arg));
2262 err = host_to_target_semarray(semid, target_su.array, &array);
2263 if (err)
2264 return err;
2265 break;
2266 case IPC_STAT:
2267 case IPC_SET:
2268 case SEM_STAT:
2269 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2270 if (err)
2271 return err;
2272 arg.buf = &dsarg;
2273 ret = get_errno(semctl(semid, semnum, cmd, arg));
2274 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2275 if (err)
2276 return err;
2277 break;
2278 case IPC_INFO:
2279 case SEM_INFO:
2280 arg.__buf = &seminfo;
2281 ret = get_errno(semctl(semid, semnum, cmd, arg));
2282 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2283 if (err)
2284 return err;
2285 break;
2286 case IPC_RMID:
2287 case GETPID:
2288 case GETNCNT:
2289 case GETZCNT:
2290 ret = get_errno(semctl(semid, semnum, cmd, NULL));
2291 break;
2292 }
2293
2294 return ret;
2295 }
2296
2297 struct target_sembuf {
2298 unsigned short sem_num;
2299 short sem_op;
2300 short sem_flg;
2301 };
2302
2303 static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2304 abi_ulong target_addr,
2305 unsigned nsops)
2306 {
2307 struct target_sembuf *target_sembuf;
2308 int i;
2309
2310 target_sembuf = lock_user(VERIFY_READ, target_addr,
2311 nsops*sizeof(struct target_sembuf), 1);
2312 if (!target_sembuf)
2313 return -TARGET_EFAULT;
2314
2315 for(i=0; i<nsops; i++) {
2316 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2317 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2318 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2319 }
2320
2321 unlock_user(target_sembuf, target_addr, 0);
2322
2323 return 0;
2324 }
2325
2326 static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2327 {
2328 struct sembuf sops[nsops];
2329
2330 if (target_to_host_sembuf(sops, ptr, nsops))
2331 return -TARGET_EFAULT;
2332
2333 return semop(semid, sops, nsops);
2334 }
2335
2336 struct target_msqid_ds
2337 {
2338 struct target_ipc_perm msg_perm;
2339 abi_ulong msg_stime;
2340 #if TARGET_ABI_BITS == 32
2341 abi_ulong __unused1;
2342 #endif
2343 abi_ulong msg_rtime;
2344 #if TARGET_ABI_BITS == 32
2345 abi_ulong __unused2;
2346 #endif
2347 abi_ulong msg_ctime;
2348 #if TARGET_ABI_BITS == 32
2349 abi_ulong __unused3;
2350 #endif
2351 abi_ulong __msg_cbytes;
2352 abi_ulong msg_qnum;
2353 abi_ulong msg_qbytes;
2354 abi_ulong msg_lspid;
2355 abi_ulong msg_lrpid;
2356 abi_ulong __unused4;
2357 abi_ulong __unused5;
2358 };
2359
2360 static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2361 abi_ulong target_addr)
2362 {
2363 struct target_msqid_ds *target_md;
2364
2365 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2366 return -TARGET_EFAULT;
2367 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2368 return -TARGET_EFAULT;
2369 host_md->msg_stime = tswapl(target_md->msg_stime);
2370 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2371 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2372 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2373 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2374 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2375 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2376 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2377 unlock_user_struct(target_md, target_addr, 0);
2378 return 0;
2379 }
2380
2381 static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2382 struct msqid_ds *host_md)
2383 {
2384 struct target_msqid_ds *target_md;
2385
2386 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2387 return -TARGET_EFAULT;
2388 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2389 return -TARGET_EFAULT;
2390 target_md->msg_stime = tswapl(host_md->msg_stime);
2391 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2392 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2393 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2394 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2395 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2396 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2397 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2398 unlock_user_struct(target_md, target_addr, 1);
2399 return 0;
2400 }
2401
2402 struct target_msginfo {
2403 int msgpool;
2404 int msgmap;
2405 int msgmax;
2406 int msgmnb;
2407 int msgmni;
2408 int msgssz;
2409 int msgtql;
2410 unsigned short int msgseg;
2411 };
2412
2413 static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2414 struct msginfo *host_msginfo)
2415 {
2416 struct target_msginfo *target_msginfo;
2417 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2418 return -TARGET_EFAULT;
2419 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2420 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2421 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2422 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2423 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2424 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2425 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2426 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2427 unlock_user_struct(target_msginfo, target_addr, 1);
2428 return 0;
2429 }
2430
2431 static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
2432 {
2433 struct msqid_ds dsarg;
2434 struct msginfo msginfo;
2435 abi_long ret = -TARGET_EINVAL;
2436
2437 cmd &= 0xff;
2438
2439 switch (cmd) {
2440 case IPC_STAT:
2441 case IPC_SET:
2442 case MSG_STAT:
2443 if (target_to_host_msqid_ds(&dsarg,ptr))
2444 return -TARGET_EFAULT;
2445 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2446 if (host_to_target_msqid_ds(ptr,&dsarg))
2447 return -TARGET_EFAULT;
2448 break;
2449 case IPC_RMID:
2450 ret = get_errno(msgctl(msgid, cmd, NULL));
2451 break;
2452 case IPC_INFO:
2453 case MSG_INFO:
2454 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2455 if (host_to_target_msginfo(ptr, &msginfo))
2456 return -TARGET_EFAULT;
2457 break;
2458 }
2459
2460 return ret;
2461 }
2462
2463 struct target_msgbuf {
2464 abi_long mtype;
2465 char mtext[1];
2466 };
2467
2468 static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2469 unsigned int msgsz, int msgflg)
2470 {
2471 struct target_msgbuf *target_mb;
2472 struct msgbuf *host_mb;
2473 abi_long ret = 0;
2474
2475 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2476 return -TARGET_EFAULT;
2477 host_mb = malloc(msgsz+sizeof(long));
2478 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2479 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
2480 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2481 free(host_mb);
2482 unlock_user_struct(target_mb, msgp, 0);
2483
2484 return ret;
2485 }
2486
2487 static inline abi_long do_msgrcv(int msqid, abi_long msgp,
2488 unsigned int msgsz, abi_long msgtyp,
2489 int msgflg)
2490 {
2491 struct target_msgbuf *target_mb;
2492 char *target_mtext;
2493 struct msgbuf *host_mb;
2494 abi_long ret = 0;
2495
2496 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2497 return -TARGET_EFAULT;
2498
2499 host_mb = malloc(msgsz+sizeof(long));
2500 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2501
2502 if (ret > 0) {
2503 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2504 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2505 if (!target_mtext) {
2506 ret = -TARGET_EFAULT;
2507 goto end;
2508 }
2509 memcpy(target_mb->mtext, host_mb->mtext, ret);
2510 unlock_user(target_mtext, target_mtext_addr, ret);
2511 }
2512
2513 target_mb->mtype = tswapl(host_mb->mtype);
2514 free(host_mb);
2515
2516 end:
2517 if (target_mb)
2518 unlock_user_struct(target_mb, msgp, 1);
2519 return ret;
2520 }
2521
2522 struct target_shmid_ds
2523 {
2524 struct target_ipc_perm shm_perm;
2525 abi_ulong shm_segsz;
2526 abi_ulong shm_atime;
2527 #if TARGET_ABI_BITS == 32
2528 abi_ulong __unused1;
2529 #endif
2530 abi_ulong shm_dtime;
2531 #if TARGET_ABI_BITS == 32
2532 abi_ulong __unused2;
2533 #endif
2534 abi_ulong shm_ctime;
2535 #if TARGET_ABI_BITS == 32
2536 abi_ulong __unused3;
2537 #endif
2538 int shm_cpid;
2539 int shm_lpid;
2540 abi_ulong shm_nattch;
2541 unsigned long int __unused4;
2542 unsigned long int __unused5;
2543 };
2544
2545 static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2546 abi_ulong target_addr)
2547 {
2548 struct target_shmid_ds *target_sd;
2549
2550 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2551 return -TARGET_EFAULT;
2552 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2553 return -TARGET_EFAULT;
2554 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2555 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2556 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2557 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2558 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2559 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2560 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2561 unlock_user_struct(target_sd, target_addr, 0);
2562 return 0;
2563 }
2564
2565 static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2566 struct shmid_ds *host_sd)
2567 {
2568 struct target_shmid_ds *target_sd;
2569
2570 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2571 return -TARGET_EFAULT;
2572 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2573 return -TARGET_EFAULT;
2574 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2575 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2576 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2577 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2578 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2579 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2580 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2581 unlock_user_struct(target_sd, target_addr, 1);
2582 return 0;
2583 }
2584
2585 struct target_shminfo {
2586 abi_ulong shmmax;
2587 abi_ulong shmmin;
2588 abi_ulong shmmni;
2589 abi_ulong shmseg;
2590 abi_ulong shmall;
2591 };
2592
2593 static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2594 struct shminfo *host_shminfo)
2595 {
2596 struct target_shminfo *target_shminfo;
2597 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2598 return -TARGET_EFAULT;
2599 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2600 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2601 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2602 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2603 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2604 unlock_user_struct(target_shminfo, target_addr, 1);
2605 return 0;
2606 }
2607
2608 struct target_shm_info {
2609 int used_ids;
2610 abi_ulong shm_tot;
2611 abi_ulong shm_rss;
2612 abi_ulong shm_swp;
2613 abi_ulong swap_attempts;
2614 abi_ulong swap_successes;
2615 };
2616
2617 static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2618 struct shm_info *host_shm_info)
2619 {
2620 struct target_shm_info *target_shm_info;
2621 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2622 return -TARGET_EFAULT;
2623 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2624 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2625 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2626 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2627 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2628 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2629 unlock_user_struct(target_shm_info, target_addr, 1);
2630 return 0;
2631 }
2632
2633 static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2634 {
2635 struct shmid_ds dsarg;
2636 struct shminfo shminfo;
2637 struct shm_info shm_info;
2638 abi_long ret = -TARGET_EINVAL;
2639
2640 cmd &= 0xff;
2641
2642 switch(cmd) {
2643 case IPC_STAT:
2644 case IPC_SET:
2645 case SHM_STAT:
2646 if (target_to_host_shmid_ds(&dsarg, buf))
2647 return -TARGET_EFAULT;
2648 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2649 if (host_to_target_shmid_ds(buf, &dsarg))
2650 return -TARGET_EFAULT;
2651 break;
2652 case IPC_INFO:
2653 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2654 if (host_to_target_shminfo(buf, &shminfo))
2655 return -TARGET_EFAULT;
2656 break;
2657 case SHM_INFO:
2658 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2659 if (host_to_target_shm_info(buf, &shm_info))
2660 return -TARGET_EFAULT;
2661 break;
2662 case IPC_RMID:
2663 case SHM_LOCK:
2664 case SHM_UNLOCK:
2665 ret = get_errno(shmctl(shmid, cmd, NULL));
2666 break;
2667 }
2668
2669 return ret;
2670 }
2671
2672 static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2673 {
2674 abi_long raddr;
2675 void *host_raddr;
2676 struct shmid_ds shm_info;
2677 int i,ret;
2678
2679 /* find out the length of the shared memory segment */
2680 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2681 if (is_error(ret)) {
2682 /* can't get length, bail out */
2683 return ret;
2684 }
2685
2686 mmap_lock();
2687
2688 if (shmaddr)
2689 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2690 else {
2691 abi_ulong mmap_start;
2692
2693 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2694
2695 if (mmap_start == -1) {
2696 errno = ENOMEM;
2697 host_raddr = (void *)-1;
2698 } else
2699 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2700 }
2701
2702 if (host_raddr == (void *)-1) {
2703 mmap_unlock();
2704 return get_errno((long)host_raddr);
2705 }
2706 raddr=h2g((unsigned long)host_raddr);
2707
2708 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2709 PAGE_VALID | PAGE_READ |
2710 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2711
2712 for (i = 0; i < N_SHM_REGIONS; i++) {
2713 if (shm_regions[i].start == 0) {
2714 shm_regions[i].start = raddr;
2715 shm_regions[i].size = shm_info.shm_segsz;
2716 break;
2717 }
2718 }
2719
2720 mmap_unlock();
2721 return raddr;
2722
2723 }
2724
2725 static inline abi_long do_shmdt(abi_ulong shmaddr)
2726 {
2727 int i;
2728
2729 for (i = 0; i < N_SHM_REGIONS; ++i) {
2730 if (shm_regions[i].start == shmaddr) {
2731 shm_regions[i].start = 0;
2732 page_set_flags(shmaddr, shm_regions[i].size, 0);
2733 break;
2734 }
2735 }
2736
2737 return get_errno(shmdt(g2h(shmaddr)));
2738 }
2739
2740 #ifdef TARGET_NR_ipc
2741 /* ??? This only works with linear mappings. */
2742 /* do_ipc() must return target values and target errnos. */
2743 static abi_long do_ipc(unsigned int call, int first,
2744 int second, int third,
2745 abi_long ptr, abi_long fifth)
2746 {
2747 int version;
2748 abi_long ret = 0;
2749
2750 version = call >> 16;
2751 call &= 0xffff;
2752
2753 switch (call) {
2754 case IPCOP_semop:
2755 ret = do_semop(first, ptr, second);
2756 break;
2757
2758 case IPCOP_semget:
2759 ret = get_errno(semget(first, second, third));
2760 break;
2761
2762 case IPCOP_semctl:
2763 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
2764 break;
2765
2766 case IPCOP_msgget:
2767 ret = get_errno(msgget(first, second));
2768 break;
2769
2770 case IPCOP_msgsnd:
2771 ret = do_msgsnd(first, ptr, second, third);
2772 break;
2773
2774 case IPCOP_msgctl:
2775 ret = do_msgctl(first, second, ptr);
2776 break;
2777
2778 case IPCOP_msgrcv:
2779 switch (version) {
2780 case 0:
2781 {
2782 struct target_ipc_kludge {
2783 abi_long msgp;
2784 abi_long msgtyp;
2785 } *tmp;
2786
2787 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2788 ret = -TARGET_EFAULT;
2789 break;
2790 }
2791
2792 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
2793
2794 unlock_user_struct(tmp, ptr, 0);
2795 break;
2796 }
2797 default:
2798 ret = do_msgrcv(first, ptr, second, fifth, third);
2799 }
2800 break;
2801
2802 case IPCOP_shmat:
2803 switch (version) {
2804 default:
2805 {
2806 abi_ulong raddr;
2807 raddr = do_shmat(first, ptr, second);
2808 if (is_error(raddr))
2809 return get_errno(raddr);
2810 if (put_user_ual(raddr, third))
2811 return -TARGET_EFAULT;
2812 break;
2813 }
2814 case 1:
2815 ret = -TARGET_EINVAL;
2816 break;
2817 }
2818 break;
2819 case IPCOP_shmdt:
2820 ret = do_shmdt(ptr);
2821 break;
2822
2823 case IPCOP_shmget:
2824 /* IPC_* flag values are the same on all linux platforms */
2825 ret = get_errno(shmget(first, second, third));
2826 break;
2827
2828 /* IPC_* and SHM_* command values are the same on all linux platforms */
2829 case IPCOP_shmctl:
2830 ret = do_shmctl(first, second, third);
2831 break;
2832 default:
2833 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2834 ret = -TARGET_ENOSYS;
2835 break;
2836 }
2837 return ret;
2838 }
2839 #endif
2840
2841 /* kernel structure types definitions */
2842 #define IFNAMSIZ 16
2843
2844 #define STRUCT(name, ...) STRUCT_ ## name,
2845 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
2846 enum {
2847 #include "syscall_types.h"
2848 };
2849 #undef STRUCT
2850 #undef STRUCT_SPECIAL
2851
2852 #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
2853 #define STRUCT_SPECIAL(name)
2854 #include "syscall_types.h"
2855 #undef STRUCT
2856 #undef STRUCT_SPECIAL
2857
2858 typedef struct IOCTLEntry {
2859 unsigned int target_cmd;
2860 unsigned int host_cmd;
2861 const char *name;
2862 int access;
2863 const argtype arg_type[5];
2864 } IOCTLEntry;
2865
2866 #define IOC_R 0x0001
2867 #define IOC_W 0x0002
2868 #define IOC_RW (IOC_R | IOC_W)
2869
2870 #define MAX_STRUCT_SIZE 4096
2871
2872 static IOCTLEntry ioctl_entries[] = {
2873 #define IOCTL(cmd, access, ...) \
2874 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
2875 #include "ioctls.h"
2876 { 0, 0, },
2877 };
2878
2879 /* ??? Implement proper locking for ioctls. */
2880 /* do_ioctl() Must return target values and target errnos. */
2881 static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
2882 {
2883 const IOCTLEntry *ie;
2884 const argtype *arg_type;
2885 abi_long ret;
2886 uint8_t buf_temp[MAX_STRUCT_SIZE];
2887 int target_size;
2888 void *argptr;
2889
2890 ie = ioctl_entries;
2891 for(;;) {
2892 if (ie->target_cmd == 0) {
2893 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
2894 return -TARGET_ENOSYS;
2895 }
2896 if (ie->target_cmd == cmd)
2897 break;
2898 ie++;
2899 }
2900 arg_type = ie->arg_type;
2901 #if defined(DEBUG)
2902 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
2903 #endif
2904 switch(arg_type[0]) {
2905 case TYPE_NULL:
2906 /* no argument */
2907 ret = get_errno(ioctl(fd, ie->host_cmd));
2908 break;
2909 case TYPE_PTRVOID:
2910 case TYPE_INT:
2911 /* int argment */
2912 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2913 break;
2914 case TYPE_PTR:
2915 arg_type++;
2916 target_size = thunk_type_size(arg_type, 0);
2917 switch(ie->access) {
2918 case IOC_R:
2919 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2920 if (!is_error(ret)) {
2921 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2922 if (!argptr)
2923 return -TARGET_EFAULT;
2924 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2925 unlock_user(argptr, arg, target_size);
2926 }
2927 break;
2928 case IOC_W:
2929 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2930 if (!argptr)
2931 return -TARGET_EFAULT;
2932 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2933 unlock_user(argptr, arg, 0);
2934 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2935 break;
2936 default:
2937 case IOC_RW:
2938 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2939 if (!argptr)
2940 return -TARGET_EFAULT;
2941 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2942 unlock_user(argptr, arg, 0);
2943 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2944 if (!is_error(ret)) {
2945 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2946 if (!argptr)
2947 return -TARGET_EFAULT;
2948 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2949 unlock_user(argptr, arg, target_size);
2950 }
2951 break;
2952 }
2953 break;
2954 default:
2955 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2956 (long)cmd, arg_type[0]);
2957 ret = -TARGET_ENOSYS;
2958 break;
2959 }
2960 return ret;
2961 }
2962
2963 static const bitmask_transtbl iflag_tbl[] = {
2964 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2965 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2966 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2967 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2968 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2969 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2970 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2971 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2972 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2973 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2974 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2975 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2976 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2977 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2978 { 0, 0, 0, 0 }
2979 };
2980
2981 static const bitmask_transtbl oflag_tbl[] = {
2982 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2983 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2984 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2985 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2986 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2987 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2988 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2989 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2990 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2991 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2992 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2993 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2994 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2995 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2996 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
2997 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
2998 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
2999 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3000 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3001 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3002 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3003 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3004 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3005 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3006 { 0, 0, 0, 0 }
3007 };
3008
3009 static const bitmask_transtbl cflag_tbl[] = {
3010 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3011 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3012 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3013 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3014 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3015 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3016 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3017 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3018 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3019 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3020 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3021 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3022 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3023 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3024 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3025 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3026 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3027 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3028 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3029 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3030 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3031 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3032 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3033 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3034 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3035 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3036 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3037 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3038 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3039 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3040 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3041 { 0, 0, 0, 0 }
3042 };
3043
3044 static const bitmask_transtbl lflag_tbl[] = {
3045 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3046 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3047 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3048 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3049 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3050 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3051 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3052 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3053 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3054 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3055 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3056 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3057 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3058 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3059 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3060 { 0, 0, 0, 0 }
3061 };
3062
3063 static void target_to_host_termios (void *dst, const void *src)
3064 {
3065 struct host_termios *host = dst;
3066 const struct target_termios *target = src;
3067
3068 host->c_iflag =
3069 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
3070 host->c_oflag =
3071 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
3072 host->c_cflag =
3073 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
3074 host->c_lflag =
3075 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3076 host->c_line = target->c_line;
3077
3078 memset(host->c_cc, 0, sizeof(host->c_cc));
3079 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3080 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3081 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
3082 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3083 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
3084 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3085 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
3086 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3087 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
3088 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3089 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3090 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3091 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3092 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3093 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3094 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
3095 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
3096 }
3097
3098 static void host_to_target_termios (void *dst, const void *src)
3099 {
3100 struct target_termios *target = dst;
3101 const struct host_termios *host = src;
3102
3103 target->c_iflag =
3104 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
3105 target->c_oflag =
3106 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
3107 target->c_cflag =
3108 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
3109 target->c_lflag =
3110 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3111 target->c_line = host->c_line;
3112
3113 memset(target->c_cc, 0, sizeof(target->c_cc));
3114 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3115 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3116 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3117 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3118 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3119 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3120 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3121 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3122 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3123 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3124 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3125 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3126 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3127 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3128 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3129 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3130 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3131 }
3132
3133 static const StructEntry struct_termios_def = {
3134 .convert = { host_to_target_termios, target_to_host_termios },
3135 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3136 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3137 };
3138
3139 static bitmask_transtbl mmap_flags_tbl[] = {
3140 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3141 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3142 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3143 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3144 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3145 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3146 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3147 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3148 { 0, 0, 0, 0 }
3149 };
3150
3151 #if defined(TARGET_I386)
3152
3153 /* NOTE: there is really one LDT for all the threads */
3154 static uint8_t *ldt_table;
3155
3156 static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
3157 {
3158 int size;
3159 void *p;
3160
3161 if (!ldt_table)
3162 return 0;
3163 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3164 if (size > bytecount)
3165 size = bytecount;
3166 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3167 if (!p)
3168 return -TARGET_EFAULT;
3169 /* ??? Should this by byteswapped? */
3170 memcpy(p, ldt_table, size);
3171 unlock_user(p, ptr, size);
3172 return size;
3173 }
3174
3175 /* XXX: add locking support */
3176 static abi_long write_ldt(CPUX86State *env,
3177 abi_ulong ptr, unsigned long bytecount, int oldmode)
3178 {
3179 struct target_modify_ldt_ldt_s ldt_info;
3180 struct target_modify_ldt_ldt_s *target_ldt_info;
3181 int seg_32bit, contents, read_exec_only, limit_in_pages;
3182 int seg_not_present, useable, lm;
3183 uint32_t *lp, entry_1, entry_2;
3184
3185 if (bytecount != sizeof(ldt_info))
3186 return -TARGET_EINVAL;
3187 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
3188 return -TARGET_EFAULT;
3189 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3190 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3191 ldt_info.limit = tswap32(target_ldt_info->limit);
3192 ldt_info.flags = tswap32(target_ldt_info->flags);
3193 unlock_user_struct(target_ldt_info, ptr, 0);
3194
3195 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
3196 return -TARGET_EINVAL;
3197 seg_32bit = ldt_info.flags & 1;
3198 contents = (ldt_info.flags >> 1) & 3;
3199 read_exec_only = (ldt_info.flags >> 3) & 1;
3200 limit_in_pages = (ldt_info.flags >> 4) & 1;
3201 seg_not_present = (ldt_info.flags >> 5) & 1;
3202 useable = (ldt_info.flags >> 6) & 1;
3203 #ifdef TARGET_ABI32
3204 lm = 0;
3205 #else
3206 lm = (ldt_info.flags >> 7) & 1;
3207 #endif
3208 if (contents == 3) {
3209 if (oldmode)
3210 return -TARGET_EINVAL;
3211 if (seg_not_present == 0)
3212 return -TARGET_EINVAL;
3213 }
3214 /* allocate the LDT */
3215 if (!ldt_table) {
3216 env->ldt.base = target_mmap(0,
3217 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3218 PROT_READ|PROT_WRITE,
3219 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3220 if (env->ldt.base == -1)
3221 return -TARGET_ENOMEM;
3222 memset(g2h(env->ldt.base), 0,
3223 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
3224 env->ldt.limit = 0xffff;
3225 ldt_table = g2h(env->ldt.base);
3226 }
3227
3228 /* NOTE: same code as Linux kernel */
3229 /* Allow LDTs to be cleared by the user. */
3230 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3231 if (oldmode ||
3232 (contents == 0 &&
3233 read_exec_only == 1 &&
3234 seg_32bit == 0 &&
3235 limit_in_pages == 0 &&
3236 seg_not_present == 1 &&
3237 useable == 0 )) {
3238 entry_1 = 0;
3239 entry_2 = 0;
3240 goto install;
3241 }
3242 }
3243
3244 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3245 (ldt_info.limit & 0x0ffff);
3246 entry_2 = (ldt_info.base_addr & 0xff000000) |
3247 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3248 (ldt_info.limit & 0xf0000) |
3249 ((read_exec_only ^ 1) << 9) |
3250 (contents << 10) |
3251 ((seg_not_present ^ 1) << 15) |
3252 (seg_32bit << 22) |
3253 (limit_in_pages << 23) |
3254 (lm << 21) |
3255 0x7000;
3256 if (!oldmode)
3257 entry_2 |= (useable << 20);
3258
3259 /* Install the new entry ... */
3260 install:
3261 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3262 lp[0] = tswap32(entry_1);
3263 lp[1] = tswap32(entry_2);
3264 return 0;
3265 }
3266
3267 /* specific and weird i386 syscalls */
3268 static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3269 unsigned long bytecount)
3270 {
3271 abi_long ret;
3272
3273 switch (func) {
3274 case 0:
3275 ret = read_ldt(ptr, bytecount);
3276 break;
3277 case 1:
3278 ret = write_ldt(env, ptr, bytecount, 1);
3279 break;
3280 case 0x11:
3281 ret = write_ldt(env, ptr, bytecount, 0);
3282 break;
3283 default:
3284 ret = -TARGET_ENOSYS;
3285 break;
3286 }
3287 return ret;
3288 }
3289
3290 #if defined(TARGET_I386) && defined(TARGET_ABI32)
3291 static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
3292 {
3293 uint64_t *gdt_table = g2h(env->gdt.base);
3294 struct target_modify_ldt_ldt_s ldt_info;
3295 struct target_modify_ldt_ldt_s *target_ldt_info;
3296 int seg_32bit, contents, read_exec_only, limit_in_pages;
3297 int seg_not_present, useable, lm;
3298 uint32_t *lp, entry_1, entry_2;
3299 int i;
3300
3301 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3302 if (!target_ldt_info)
3303 return -TARGET_EFAULT;
3304 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3305 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3306 ldt_info.limit = tswap32(target_ldt_info->limit);
3307 ldt_info.flags = tswap32(target_ldt_info->flags);
3308 if (ldt_info.entry_number == -1) {
3309 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3310 if (gdt_table[i] == 0) {
3311 ldt_info.entry_number = i;
3312 target_ldt_info->entry_number = tswap32(i);
3313 break;
3314 }
3315 }
3316 }
3317 unlock_user_struct(target_ldt_info, ptr, 1);
3318
3319 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3320 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3321 return -TARGET_EINVAL;
3322 seg_32bit = ldt_info.flags & 1;
3323 contents = (ldt_info.flags >> 1) & 3;
3324 read_exec_only = (ldt_info.flags >> 3) & 1;
3325 limit_in_pages = (ldt_info.flags >> 4) & 1;
3326 seg_not_present = (ldt_info.flags >> 5) & 1;
3327 useable = (ldt_info.flags >> 6) & 1;
3328 #ifdef TARGET_ABI32
3329 lm = 0;
3330 #else
3331 lm = (ldt_info.flags >> 7) & 1;
3332 #endif
3333
3334 if (contents == 3) {
3335 if (seg_not_present == 0)
3336 return -TARGET_EINVAL;
3337 }
3338
3339 /* NOTE: same code as Linux kernel */
3340 /* Allow LDTs to be cleared by the user. */
3341 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3342 if ((contents == 0 &&
3343 read_exec_only == 1 &&
3344 seg_32bit == 0 &&
3345 limit_in_pages == 0 &&
3346 seg_not_present == 1 &&
3347 useable == 0 )) {
3348 entry_1 = 0;
3349 entry_2 = 0;
3350 goto install;
3351 }
3352 }
3353
3354 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3355 (ldt_info.limit & 0x0ffff);
3356 entry_2 = (ldt_info.base_addr & 0xff000000) |
3357 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3358 (ldt_info.limit & 0xf0000) |
3359 ((read_exec_only ^ 1) << 9) |
3360 (contents << 10) |
3361 ((seg_not_present ^ 1) << 15) |
3362 (seg_32bit << 22) |
3363 (limit_in_pages << 23) |
3364 (useable << 20) |
3365 (lm << 21) |
3366 0x7000;
3367
3368 /* Install the new entry ... */
3369 install:
3370 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3371 lp[0] = tswap32(entry_1);
3372 lp[1] = tswap32(entry_2);
3373 return 0;
3374 }
3375
3376 static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
3377 {
3378 struct target_modify_ldt_ldt_s *target_ldt_info;
3379 uint64_t *gdt_table = g2h(env->gdt.base);
3380 uint32_t base_addr, limit, flags;
3381 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3382 int seg_not_present, useable, lm;
3383 uint32_t *lp, entry_1, entry_2;
3384
3385 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3386 if (!target_ldt_info)
3387 return -TARGET_EFAULT;
3388 idx = tswap32(target_ldt_info->entry_number);
3389 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3390 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3391 unlock_user_struct(target_ldt_info, ptr, 1);
3392 return -TARGET_EINVAL;
3393 }
3394 lp = (uint32_t *)(gdt_table + idx);
3395 entry_1 = tswap32(lp[0]);
3396 entry_2 = tswap32(lp[1]);
3397
3398 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3399 contents = (entry_2 >> 10) & 3;
3400 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3401 seg_32bit = (entry_2 >> 22) & 1;
3402 limit_in_pages = (entry_2 >> 23) & 1;
3403 useable = (entry_2 >> 20) & 1;
3404 #ifdef TARGET_ABI32
3405 lm = 0;
3406 #else
3407 lm = (entry_2 >> 21) & 1;
3408 #endif
3409 flags = (seg_32bit << 0) | (contents << 1) |
3410 (read_exec_only << 3) | (limit_in_pages << 4) |
3411 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3412 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3413 base_addr = (entry_1 >> 16) |
3414 (entry_2 & 0xff000000) |
3415 ((entry_2 & 0xff) << 16);
3416 target_ldt_info->base_addr = tswapl(base_addr);
3417 target_ldt_info->limit = tswap32(limit);
3418 target_ldt_info->flags = tswap32(flags);
3419 unlock_user_struct(target_ldt_info, ptr, 1);
3420 return 0;
3421 }
3422 #endif /* TARGET_I386 && TARGET_ABI32 */
3423
3424 #ifndef TARGET_ABI32
3425 static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
3426 {
3427 abi_long ret;
3428 abi_ulong val;
3429 int idx;
3430
3431 switch(code) {
3432 case TARGET_ARCH_SET_GS:
3433 case TARGET_ARCH_SET_FS:
3434 if (code == TARGET_ARCH_SET_GS)
3435 idx = R_GS;
3436 else
3437 idx = R_FS;
3438 cpu_x86_load_seg(env, idx, 0);
3439 env->segs[idx].base = addr;
3440 break;
3441 case TARGET_ARCH_GET_GS:
3442 case TARGET_ARCH_GET_FS:
3443 if (code == TARGET_ARCH_GET_GS)
3444 idx = R_GS;
3445 else
3446 idx = R_FS;
3447 val = env->segs[idx].base;
3448 if (put_user(val, addr, abi_ulong))
3449 return -TARGET_EFAULT;
3450 break;
3451 default:
3452 ret = -TARGET_EINVAL;
3453 break;
3454 }
3455 return 0;
3456 }
3457 #endif
3458
3459 #endif /* defined(TARGET_I386) */
3460
3461 #if defined(CONFIG_USE_NPTL)
3462
3463 #define NEW_STACK_SIZE PTHREAD_STACK_MIN
3464
3465 static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3466 typedef struct {
3467 CPUState *env;
3468 pthread_mutex_t mutex;
3469 pthread_cond_t cond;
3470 pthread_t thread;
3471 uint32_t tid;
3472 abi_ulong child_tidptr;
3473 abi_ulong parent_tidptr;
3474 sigset_t sigmask;
3475 } new_thread_info;
3476
3477 static void *clone_func(void *arg)
3478 {
3479 new_thread_info *info = arg;
3480 CPUState *env;
3481 TaskState *ts;
3482
3483 env = info->env;
3484 thread_env = env;
3485 ts = (TaskState *)thread_env->opaque;
3486 info->tid = gettid();
3487 env->host_tid = info->tid;
3488 task_settid(ts);
3489 if (info->child_tidptr)
3490 put_user_u32(info->tid, info->child_tidptr);
3491 if (info->parent_tidptr)
3492 put_user_u32(info->tid, info->parent_tidptr);
3493 /* Enable signals. */
3494 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3495 /* Signal to the parent that we're ready. */
3496 pthread_mutex_lock(&info->mutex);
3497 pthread_cond_broadcast(&info->cond);
3498 pthread_mutex_unlock(&info->mutex);
3499 /* Wait until the parent has finshed initializing the tls state. */
3500 pthread_mutex_lock(&clone_lock);
3501 pthread_mutex_unlock(&clone_lock);
3502 cpu_loop(env);
3503 /* never exits */
3504 return NULL;
3505 }
3506 #else
3507 /* this stack is the equivalent of the kernel stack associated with a
3508 thread/process */
3509 #define NEW_STACK_SIZE 8192
3510
3511 static int clone_func(void *arg)
3512 {
3513 CPUState *env = arg;
3514 cpu_loop(env);
3515 /* never exits */
3516 return 0;
3517 }
3518 #endif
3519
3520 /* do_fork() Must return host values and target errnos (unlike most
3521 do_*() functions). */
3522 static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3523 abi_ulong parent_tidptr, target_ulong newtls,
3524 abi_ulong child_tidptr)
3525 {
3526 int ret;
3527 TaskState *ts;
3528 uint8_t *new_stack;
3529 CPUState *new_env;
3530 #if defined(CONFIG_USE_NPTL)
3531 unsigned int nptl_flags;
3532 sigset_t sigmask;
3533 #endif
3534
3535 /* Emulate vfork() with fork() */
3536 if (flags & CLONE_VFORK)
3537 flags &= ~(CLONE_VFORK | CLONE_VM);
3538
3539 if (flags & CLONE_VM) {
3540 TaskState *parent_ts = (TaskState *)env->opaque;
3541 #if defined(CONFIG_USE_NPTL)
3542 new_thread_info info;
3543 pthread_attr_t attr;
3544 #endif
3545 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
3546 init_task_state(ts);
3547 new_stack = ts->stack;
3548 /* we create a new CPU instance. */
3549 new_env = cpu_copy(env);
3550 /* Init regs that differ from the parent. */
3551 cpu_clone_regs(new_env, newsp);
3552 new_env->opaque = ts;
3553 ts->bprm = parent_ts->bprm;
3554 ts->info = parent_ts->info;
3555 #if defined(CONFIG_USE_NPTL)
3556 nptl_flags = flags;
3557 flags &= ~CLONE_NPTL_FLAGS2;
3558
3559 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3560 ts->child_tidptr = child_tidptr;
3561 }
3562
3563 if (nptl_flags & CLONE_SETTLS)
3564 cpu_set_tls (new_env, newtls);
3565
3566 /* Grab a mutex so that thread setup appears atomic. */
3567 pthread_mutex_lock(&clone_lock);
3568
3569 memset(&info, 0, sizeof(info));
3570 pthread_mutex_init(&info.mutex, NULL);
3571 pthread_mutex_lock(&info.mutex);
3572 pthread_cond_init(&info.cond, NULL);
3573 info.env = new_env;
3574 if (nptl_flags & CLONE_CHILD_SETTID)
3575 info.child_tidptr = child_tidptr;
3576 if (nptl_flags & CLONE_PARENT_SETTID)
3577 info.parent_tidptr = parent_tidptr;
3578
3579 ret = pthread_attr_init(&attr);
3580 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3581 /* It is not safe to deliver signals until the child has finished
3582 initializing, so temporarily block all signals. */
3583 sigfillset(&sigmask);
3584 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3585
3586 ret = pthread_create(&info.thread, &attr, clone_func, &info);
3587 /* TODO: Free new CPU state if thread creation failed. */
3588
3589 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3590 pthread_attr_destroy(&attr);
3591 if (ret == 0) {
3592 /* Wait for the child to initialize. */
3593 pthread_cond_wait(&info.cond, &info.mutex);
3594 ret = info.tid;
3595 if (flags & CLONE_PARENT_SETTID)
3596 put_user_u32(ret, parent_tidptr);
3597 } else {
3598 ret = -1;
3599 }
3600 pthread_mutex_unlock(&info.mutex);
3601 pthread_cond_destroy(&info.cond);
3602 pthread_mutex_destroy(&info.mutex);
3603 pthread_mutex_unlock(&clone_lock);
3604 #else
3605 if (flags & CLONE_NPTL_FLAGS2)
3606 return -EINVAL;
3607 /* This is probably going to die very quickly, but do it anyway. */
3608 #ifdef __ia64__
3609 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
3610 #else
3611 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
3612 #endif
3613 #endif
3614 } else {
3615 /* if no CLONE_VM, we consider it is a fork */
3616 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
3617 return -EINVAL;
3618 fork_start();
3619 ret = fork();
3620 if (ret == 0) {
3621 /* Child Process. */
3622 cpu_clone_regs(env, newsp);
3623 fork_end(1);
3624 #if defined(CONFIG_USE_NPTL)
3625 /* There is a race condition here. The parent process could
3626 theoretically read the TID in the child process before the child
3627 tid is set. This would require using either ptrace
3628 (not implemented) or having *_tidptr to point at a shared memory
3629 mapping. We can't repeat the spinlock hack used above because
3630 the child process gets its own copy of the lock. */
3631 if (flags & CLONE_CHILD_SETTID)
3632 put_user_u32(gettid(), child_tidptr);
3633 if (flags & CLONE_PARENT_SETTID)
3634 put_user_u32(gettid(), parent_tidptr);
3635 ts = (TaskState *)env->opaque;
3636 if (flags & CLONE_SETTLS)
3637 cpu_set_tls (env, newtls);
3638 if (flags & CLONE_CHILD_CLEARTID)
3639 ts->child_tidptr = child_tidptr;
3640 #endif
3641 } else {
3642 fork_end(0);
3643 }
3644 }
3645 return ret;
3646 }
3647
3648 /* warning : doesn't handle linux specific flags... */
3649 static int target_to_host_fcntl_cmd(int cmd)
3650 {
3651 switch(cmd) {
3652 case TARGET_F_DUPFD:
3653 case TARGET_F_GETFD:
3654 case TARGET_F_SETFD:
3655 case TARGET_F_GETFL:
3656 case TARGET_F_SETFL:
3657 return cmd;
3658 case TARGET_F_GETLK:
3659 return F_GETLK;
3660 case TARGET_F_SETLK:
3661 return F_SETLK;
3662 case TARGET_F_SETLKW:
3663 return F_SETLKW;
3664 case TARGET_F_GETOWN:
3665 return F_GETOWN;
3666 case TARGET_F_SETOWN:
3667 return F_SETOWN;
3668 case TARGET_F_GETSIG:
3669 return F_GETSIG;
3670 case TARGET_F_SETSIG:
3671 return F_SETSIG;
3672 #if TARGET_ABI_BITS == 32
3673 case TARGET_F_GETLK64:
3674 return F_GETLK64;
3675 case TARGET_F_SETLK64:
3676 return F_SETLK64;
3677 case TARGET_F_SETLKW64:
3678 return F_SETLKW64;
3679 #endif
3680 default:
3681 return -TARGET_EINVAL;
3682 }
3683 return -TARGET_EINVAL;
3684 }
3685
3686 static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
3687 {
3688 struct flock fl;
3689 struct target_flock *target_fl;
3690 struct flock64 fl64;
3691 struct target_flock64 *target_fl64;
3692 abi_long ret;
3693 int host_cmd = target_to_host_fcntl_cmd(cmd);
3694
3695 if (host_cmd == -TARGET_EINVAL)
3696 return host_cmd;
3697
3698 switch(cmd) {
3699 case TARGET_F_GETLK:
3700 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3701 return -TARGET_EFAULT;
3702 fl.l_type = tswap16(target_fl->l_type);
3703 fl.l_whence = tswap16(target_fl->l_whence);
3704 fl.l_start = tswapl(target_fl->l_start);
3705 fl.l_len = tswapl(target_fl->l_len);
3706 fl.l_pid = tswapl(target_fl->l_pid);
3707 unlock_user_struct(target_fl, arg, 0);
3708 ret = get_errno(fcntl(fd, host_cmd, &fl));
3709 if (ret == 0) {
3710 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3711 return -TARGET_EFAULT;
3712 target_fl->l_type = tswap16(fl.l_type);
3713 target_fl->l_whence = tswap16(fl.l_whence);
3714 target_fl->l_start = tswapl(fl.l_start);
3715 target_fl->l_len = tswapl(fl.l_len);
3716 target_fl->l_pid = tswapl(fl.l_pid);
3717 unlock_user_struct(target_fl, arg, 1);
3718 }
3719 break;
3720
3721 case TARGET_F_SETLK:
3722 case TARGET_F_SETLKW:
3723 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3724 return -TARGET_EFAULT;
3725 fl.l_type = tswap16(target_fl->l_type);
3726 fl.l_whence = tswap16(target_fl->l_whence);
3727 fl.l_start = tswapl(target_fl->l_start);
3728 fl.l_len = tswapl(target_fl->l_len);
3729 fl.l_pid = tswapl(target_fl->l_pid);
3730 unlock_user_struct(target_fl, arg, 0);
3731 ret = get_errno(fcntl(fd, host_cmd, &fl));
3732 break;
3733
3734 case TARGET_F_GETLK64:
3735 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3736 return -TARGET_EFAULT;
3737 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3738 fl64.l_whence = tswap16(target_fl64->l_whence);
3739 fl64.l_start = tswapl(target_fl64->l_start);
3740 fl64.l_len = tswapl(target_fl64->l_len);
3741 fl64.l_pid = tswap16(target_fl64->l_pid);
3742 unlock_user_struct(target_fl64, arg, 0);
3743 ret = get_errno(fcntl(fd, host_cmd, &fl64));
3744 if (ret == 0) {
3745 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3746 return -TARGET_EFAULT;
3747 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3748 target_fl64->l_whence = tswap16(fl64.l_whence);
3749 target_fl64->l_start = tswapl(fl64.l_start);
3750 target_fl64->l_len = tswapl(fl64.l_len);
3751 target_fl64->l_pid = tswapl(fl64.l_pid);
3752 unlock_user_struct(target_fl64, arg, 1);
3753 }
3754 break;
3755 case TARGET_F_SETLK64:
3756 case TARGET_F_SETLKW64:
3757 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3758 return -TARGET_EFAULT;
3759 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3760 fl64.l_whence = tswap16(target_fl64->l_whence);
3761 fl64.l_start = tswapl(target_fl64->l_start);
3762 fl64.l_len = tswapl(target_fl64->l_len);
3763 fl64.l_pid = tswap16(target_fl64->l_pid);
3764 unlock_user_struct(target_fl64, arg, 0);
3765 ret = get_errno(fcntl(fd, host_cmd, &fl64));
3766 break;
3767
3768 case TARGET_F_GETFL:
3769 ret = get_errno(fcntl(fd, host_cmd, arg));
3770 if (ret >= 0) {
3771 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3772 }
3773 break;
3774
3775 case TARGET_F_SETFL:
3776 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3777 break;
3778
3779 case TARGET_F_SETOWN:
3780 case TARGET_F_GETOWN:
3781 case TARGET_F_SETSIG:
3782 case TARGET_F_GETSIG:
3783 ret = get_errno(fcntl(fd, host_cmd, arg));
3784 break;
3785
3786 default:
3787 ret = get_errno(fcntl(fd, cmd, arg));
3788 break;
3789 }
3790 return ret;
3791 }
3792
3793 #ifdef USE_UID16
3794
3795 static inline int high2lowuid(int uid)
3796 {
3797 if (uid > 65535)
3798 return 65534;
3799 else
3800 return uid;
3801 }
3802
3803 static inline int high2lowgid(int gid)
3804 {
3805 if (gid > 65535)
3806 return 65534;
3807 else
3808 return gid;
3809 }
3810
3811 static inline int low2highuid(int uid)
3812 {
3813 if ((int16_t)uid == -1)
3814 return -1;
3815 else
3816 return uid;
3817 }
3818
3819 static inline int low2highgid(int gid)
3820 {
3821 if ((int16_t)gid == -1)
3822 return -1;
3823 else
3824 return gid;
3825 }
3826
3827 #endif /* USE_UID16 */
3828
3829 void syscall_init(void)
3830 {
3831 IOCTLEntry *ie;
3832 const argtype *arg_type;
3833 int size;
3834 int i;
3835
3836 #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
3837 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
3838 #include "syscall_types.h"
3839 #undef STRUCT
3840 #undef STRUCT_SPECIAL
3841
3842 /* we patch the ioctl size if necessary. We rely on the fact that
3843 no ioctl has all the bits at '1' in the size field */
3844 ie = ioctl_entries;
3845 while (ie->target_cmd != 0) {
3846 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3847 TARGET_IOC_SIZEMASK) {
3848 arg_type = ie->arg_type;
3849 if (arg_type[0] != TYPE_PTR) {
3850 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
3851 ie->target_cmd);
3852 exit(1);
3853 }
3854 arg_type++;
3855 size = thunk_type_size(arg_type, 0);
3856 ie->target_cmd = (ie->target_cmd &
3857 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3858 (size << TARGET_IOC_SIZESHIFT);
3859 }
3860
3861 /* Build target_to_host_errno_table[] table from
3862 * host_to_target_errno_table[]. */
3863 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3864 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3865
3866 /* automatic consistency check if same arch */
3867 #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3868 (defined(__x86_64__) && defined(TARGET_X86_64))
3869 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3870 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3871 ie->name, ie->target_cmd, ie->host_cmd);
3872 }
3873 #endif
3874 ie++;
3875 }
3876 }
3877
3878 #if TARGET_ABI_BITS == 32
3879 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3880 {
3881 #ifdef TARGET_WORDS_BIGENDIAN
3882 return ((uint64_t)word0 << 32) | word1;
3883 #else
3884 return ((uint64_t)word1 << 32) | word0;
3885 #endif
3886 }
3887 #else /* TARGET_ABI_BITS == 32 */
3888 static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3889 {
3890 return word0;
3891 }
3892 #endif /* TARGET_ABI_BITS != 32 */
3893
3894 #ifdef TARGET_NR_truncate64
3895 static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3896 abi_long arg2,
3897 abi_long arg3,
3898 abi_long arg4)
3899 {
3900 #ifdef TARGET_ARM
3901 if (((CPUARMState *)cpu_env)->eabi)
3902 {
3903 arg2 = arg3;
3904 arg3 = arg4;
3905 }
3906 #endif
3907 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3908 }
3909 #endif
3910
3911 #ifdef TARGET_NR_ftruncate64
3912 static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3913 abi_long arg2,
3914 abi_long arg3,
3915 abi_long arg4)
3916 {
3917 #ifdef TARGET_ARM
3918 if (((CPUARMState *)cpu_env)->eabi)
3919 {
3920 arg2 = arg3;
3921 arg3 = arg4;
3922 }
3923 #endif
3924 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3925 }
3926 #endif
3927
3928 static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3929 abi_ulong target_addr)
3930 {
3931 struct target_timespec *target_ts;
3932
3933 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3934 return -TARGET_EFAULT;
3935 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3936 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3937 unlock_user_struct(target_ts, target_addr, 0);
3938 return 0;
3939 }
3940
3941 static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3942 struct timespec *host_ts)
3943 {
3944 struct target_timespec *target_ts;
3945
3946 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3947 return -TARGET_EFAULT;
3948 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3949 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3950 unlock_user_struct(target_ts, target_addr, 1);
3951 return 0;
3952 }
3953
3954 #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
3955 static inline abi_long host_to_target_stat64(void *cpu_env,
3956 abi_ulong target_addr,
3957 struct stat *host_st)
3958 {
3959 #ifdef TARGET_ARM
3960 if (((CPUARMState *)cpu_env)->eabi) {
3961 struct target_eabi_stat64 *target_st;
3962
3963 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3964 return -TARGET_EFAULT;
3965 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3966 __put_user(host_st->st_dev, &target_st->st_dev);
3967 __put_user(host_st->st_ino, &target_st->st_ino);
3968 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3969 __put_user(host_st->st_ino, &target_st->__st_ino);
3970 #endif
3971 __put_user(host_st->st_mode, &target_st->st_mode);
3972 __put_user(host_st->st_nlink, &target_st->st_nlink);
3973 __put_user(host_st->st_uid, &target_st->st_uid);
3974 __put_user(host_st->st_gid, &target_st->st_gid);
3975 __put_user(host_st->st_rdev, &target_st->st_rdev);
3976 __put_user(host_st->st_size, &target_st->st_size);
3977 __put_user(host_st->st_blksize, &target_st->st_blksize);
3978 __put_user(host_st->st_blocks, &target_st->st_blocks);
3979 __put_user(host_st->st_atime, &target_st->target_st_atime);
3980 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3981 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3982 unlock_user_struct(target_st, target_addr, 1);
3983 } else
3984 #endif
3985 {
3986 #if TARGET_LONG_BITS == 64
3987 struct target_stat *target_st;
3988 #else
3989 struct target_stat64 *target_st;
3990 #endif
3991
3992 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3993 return -TARGET_EFAULT;
3994 memset(target_st, 0, sizeof(*target_st));
3995 __put_user(host_st->st_dev, &target_st->st_dev);
3996 __put_user(host_st->st_ino, &target_st->st_ino);
3997 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3998 __put_user(host_st->st_ino, &target_st->__st_ino);
3999 #endif
4000 __put_user(host_st->st_mode, &target_st->st_mode);
4001 __put_user(host_st->st_nlink, &target_st->st_nlink);
4002 __put_user(host_st->st_uid, &target_st->st_uid);
4003 __put_user(host_st->st_gid, &target_st->st_gid);
4004 __put_user(host_st->st_rdev, &target_st->st_rdev);
4005 /* XXX: better use of kernel struct */
4006 __put_user(host_st->st_size, &target_st->st_size);
4007 __put_user(host_st->st_blksize, &target_st->st_blksize);
4008 __put_user(host_st->st_blocks, &target_st->st_blocks);
4009 __put_user(host_st->st_atime, &target_st->target_st_atime);
4010 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4011 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4012 unlock_user_struct(target_st, target_addr, 1);
4013 }
4014
4015 return 0;
4016 }
4017 #endif
4018
4019 #if defined(CONFIG_USE_NPTL)
4020 /* ??? Using host futex calls even when target atomic operations
4021 are not really atomic probably breaks things. However implementing
4022 futexes locally would make futexes shared between multiple processes
4023 tricky. However they're probably useless because guest atomic
4024 operations won't work either. */
4025 static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4026 target_ulong uaddr2, int val3)
4027 {
4028 struct timespec ts, *pts;
4029 int base_op;
4030
4031 /* ??? We assume FUTEX_* constants are the same on both host
4032 and target. */
4033 #ifdef FUTEX_CMD_MASK
4034 base_op = op & FUTEX_CMD_MASK;
4035 #else
4036 base_op = op;
4037 #endif
4038 switch (base_op) {
4039 case FUTEX_WAIT:
4040 if (timeout) {
4041 pts = &ts;
4042 target_to_host_timespec(pts, timeout);
4043 } else {
4044 pts = NULL;
4045 }
4046 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
4047 pts, NULL, 0));
4048 case FUTEX_WAKE:
4049 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
4050 case FUTEX_FD:
4051 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
4052 case FUTEX_REQUEUE:
4053 case FUTEX_CMP_REQUEUE:
4054 case FUTEX_WAKE_OP:
4055 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4056 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4057 But the prototype takes a `struct timespec *'; insert casts
4058 to satisfy the compiler. We do not need to tswap TIMEOUT
4059 since it's not compared to guest memory. */
4060 pts = (struct timespec *)(uintptr_t) timeout;
4061 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4062 g2h(uaddr2),
4063 (base_op == FUTEX_CMP_REQUEUE
4064 ? tswap32(val3)
4065 : val3)));
4066 default:
4067 return -TARGET_ENOSYS;
4068 }
4069 }
4070 #endif
4071
4072 /* Map host to target signal numbers for the wait family of syscalls.
4073 Assume all other status bits are the same. */
4074 static int host_to_target_waitstatus(int status)
4075 {
4076 if (WIFSIGNALED(status)) {
4077 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4078 }
4079 if (WIFSTOPPED(status)) {
4080 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4081 | (status & 0xff);
4082 }
4083 return status;
4084 }
4085
4086 int get_osversion(void)
4087 {
4088 static int osversion;
4089 struct new_utsname buf;
4090 const char *s;
4091 int i, n, tmp;
4092 if (osversion)
4093 return osversion;
4094 if (qemu_uname_release && *qemu_uname_release) {
4095 s = qemu_uname_release;
4096 } else {
4097 if (sys_uname(&buf))
4098 return 0;
4099 s = buf.release;
4100 }
4101 tmp = 0;
4102 for (i = 0; i < 3; i++) {
4103 n = 0;
4104 while (*s >= '0' && *s <= '9') {
4105 n *= 10;
4106 n += *s - '0';
4107 s++;
4108 }
4109 tmp = (tmp << 8) + n;
4110 if (*s == '.')
4111 s++;
4112 }
4113 osversion = tmp;
4114 return osversion;
4115 }
4116
4117 /* do_syscall() should always have a single exit point at the end so
4118 that actions, such as logging of syscall results, can be performed.
4119 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
4120 abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4121 abi_long arg2, abi_long arg3, abi_long arg4,
4122 abi_long arg5, abi_long arg6)
4123 {
4124 abi_long ret;
4125 struct stat st;
4126 struct statfs stfs;
4127 void *p;
4128
4129 #ifdef DEBUG
4130 gemu_log("syscall %d", num);
4131 #endif
4132 if(do_strace)
4133 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4134
4135 switch(num) {
4136 case TARGET_NR_exit:
4137 #ifdef CONFIG_USE_NPTL
4138 /* In old applications this may be used to implement _exit(2).
4139 However in threaded applictions it is used for thread termination,
4140 and _exit_group is used for application termination.
4141 Do thread termination if we have more then one thread. */
4142 /* FIXME: This probably breaks if a signal arrives. We should probably
4143 be disabling signals. */
4144 if (first_cpu->next_cpu) {
4145 TaskState *ts;
4146 CPUState **lastp;
4147 CPUState *p;
4148
4149 cpu_list_lock();
4150 lastp = &first_cpu;
4151 p = first_cpu;
4152 while (p && p != (CPUState *)cpu_env) {
4153 lastp = &p->next_cpu;
4154 p = p->next_cpu;
4155 }
4156 /* If we didn't find the CPU for this thread then something is
4157 horribly wrong. */
4158 if (!p)
4159 abort();
4160 /* Remove the CPU from the list. */
4161 *lastp = p->next_cpu;
4162 cpu_list_unlock();
4163 ts = ((CPUState *)cpu_env)->opaque;
4164 if (ts->child_tidptr) {
4165 put_user_u32(0, ts->child_tidptr);
4166 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4167 NULL, NULL, 0);
4168 }
4169 /* TODO: Free CPU state. */
4170 pthread_exit(NULL);
4171 }
4172 #endif
4173 #ifdef TARGET_GPROF
4174 _mcleanup();
4175 #endif
4176 gdb_exit(cpu_env, arg1);
4177 _exit(arg1);
4178 ret = 0; /* avoid warning */
4179 break;
4180 case TARGET_NR_read:
4181 if (arg3 == 0)
4182 ret = 0;
4183 else {
4184 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4185 goto efault;
4186 ret = get_errno(read(arg1, p, arg3));
4187 unlock_user(p, arg2, ret);
4188 }
4189 break;
4190 case TARGET_NR_write:
4191 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4192 goto efault;
4193 ret = get_errno(write(arg1, p, arg3));
4194 unlock_user(p, arg2, 0);
4195 break;
4196 case TARGET_NR_open:
4197 if (!(p = lock_user_string(arg1)))
4198 goto efault;
4199 ret = get_errno(open(path(p),
4200 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4201 arg3));
4202 unlock_user(p, arg1, 0);
4203 break;
4204 #if defined(TARGET_NR_openat) && defined(__NR_openat)
4205 case TARGET_NR_openat:
4206 if (!(p = lock_user_string(arg2)))
4207 goto efault;
4208 ret = get_errno(sys_openat(arg1,
4209 path(p),
4210 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4211 arg4));
4212 unlock_user(p, arg2, 0);
4213 break;
4214 #endif
4215 case TARGET_NR_close:
4216 ret = get_errno(close(arg1));
4217 break;
4218 case TARGET_NR_brk:
4219 ret = do_brk(arg1);
4220 break;
4221 case TARGET_NR_fork:
4222 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
4223 break;
4224 #ifdef TARGET_NR_waitpid
4225 case TARGET_NR_waitpid:
4226 {
4227 int status;
4228 ret = get_errno(waitpid(arg1, &status, arg3));
4229 if (!is_error(ret) && arg2
4230 && put_user_s32(host_to_target_waitstatus(status), arg2))
4231 goto efault;
4232 }
4233 break;
4234 #endif
4235 #ifdef TARGET_NR_waitid
4236 case TARGET_NR_waitid:
4237 {
4238 siginfo_t info;
4239 info.si_pid = 0;
4240 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4241 if (!is_error(ret) && arg3 && info.si_pid != 0) {
4242 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
4243 goto efault;
4244 host_to_target_siginfo(p, &info);
4245 unlock_user(p, arg3, sizeof(target_siginfo_t));
4246 }
4247 }
4248 break;
4249 #endif
4250 #ifdef TARGET_NR_creat /* not on alpha */
4251 case TARGET_NR_creat:
4252 if (!(p = lock_user_string(arg1)))
4253 goto efault;
4254 ret = get_errno(creat(p, arg2));
4255 unlock_user(p, arg1, 0);
4256 break;
4257 #endif
4258 case TARGET_NR_link:
4259 {
4260 void * p2;
4261 p = lock_user_string(arg1);
4262 p2 = lock_user_string(arg2);
4263 if (!p || !p2)
4264 ret = -TARGET_EFAULT;
4265 else
4266 ret = get_errno(link(p, p2));
4267 unlock_user(p2, arg2, 0);
4268 unlock_user(p, arg1, 0);
4269 }
4270 break;
4271 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4272 case TARGET_NR_linkat:
4273 {
4274 void * p2 = NULL;
4275 if (!arg2 || !arg4)
4276 goto efault;
4277 p = lock_user_string(arg2);
4278 p2 = lock_user_string(arg4);
4279 if (!p || !p2)
4280 ret = -TARGET_EFAULT;
4281 else
4282 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
4283 unlock_user(p, arg2, 0);
4284 unlock_user(p2, arg4, 0);
4285 }
4286 break;
4287 #endif
4288 case TARGET_NR_unlink:
4289 if (!(p = lock_user_string(arg1)))
4290 goto efault;
4291 ret = get_errno(unlink(p));
4292 unlock_user(p, arg1, 0);
4293 break;
4294 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4295 case TARGET_NR_unlinkat:
4296 if (!(p = lock_user_string(arg2)))
4297 goto efault;
4298 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4299 unlock_user(p, arg2, 0);
4300 break;
4301 #endif
4302 case TARGET_NR_execve:
4303 {
4304 char **argp, **envp;
4305 int argc, envc;
4306 abi_ulong gp;
4307 abi_ulong guest_argp;
4308 abi_ulong guest_envp;
4309 abi_ulong addr;
4310 char **q;
4311
4312 argc = 0;
4313 guest_argp = arg2;
4314 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
4315 if (get_user_ual(addr, gp))
4316 goto efault;
4317 if (!addr)
4318 break;
4319 argc++;
4320 }
4321 envc = 0;
4322 guest_envp = arg3;
4323 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
4324 if (get_user_ual(addr, gp))
4325 goto efault;
4326 if (!addr)
4327 break;
4328 envc++;
4329 }
4330
4331 argp = alloca((argc + 1) * sizeof(void *));
4332 envp = alloca((envc + 1) * sizeof(void *));
4333
4334 for (gp = guest_argp, q = argp; gp;
4335 gp += sizeof(abi_ulong), q++) {
4336 if (get_user_ual(addr, gp))
4337 goto execve_efault;
4338 if (!addr)
4339 break;
4340 if (!(*q = lock_user_string(addr)))
4341 goto execve_efault;
4342 }
4343 *q = NULL;
4344
4345 for (gp = guest_envp, q = envp; gp;
4346 gp += sizeof(abi_ulong), q++) {
4347 if (get_user_ual(addr, gp))
4348 goto execve_efault;
4349 if (!addr)
4350 break;
4351 if (!(*q = lock_user_string(addr)))
4352 goto execve_efault;
4353 }
4354 *q = NULL;
4355
4356 if (!(p = lock_user_string(arg1)))
4357 goto execve_efault;
4358 ret = get_errno(execve(p, argp, envp));
4359 unlock_user(p, arg1, 0);
4360
4361 goto execve_end;
4362
4363 execve_efault:
4364 ret = -TARGET_EFAULT;
4365
4366 execve_end:
4367 for (gp = guest_argp, q = argp; *q;
4368 gp += sizeof(abi_ulong), q++) {
4369 if (get_user_ual(addr, gp)
4370 || !addr)
4371 break;
4372 unlock_user(*q, addr, 0);
4373 }
4374 for (gp = guest_envp, q = envp; *q;
4375 gp += sizeof(abi_ulong), q++) {
4376 if (get_user_ual(addr, gp)
4377 || !addr)
4378 break;
4379 unlock_user(*q, addr, 0);
4380 }
4381 }
4382 break;
4383 case TARGET_NR_chdir:
4384 if (!(p = lock_user_string(arg1)))
4385 goto efault;
4386 ret = get_errno(chdir(p));
4387 unlock_user(p, arg1, 0);
4388 break;
4389 #ifdef TARGET_NR_time
4390 case TARGET_NR_time:
4391 {
4392 time_t host_time;
4393 ret = get_errno(time(&host_time));
4394 if (!is_error(ret)
4395 && arg1
4396 && put_user_sal(host_time, arg1))
4397 goto efault;
4398 }
4399 break;
4400 #endif
4401 case TARGET_NR_mknod:
4402 if (!(p = lock_user_string(arg1)))
4403 goto efault;
4404 ret = get_errno(mknod(p, arg2, arg3));
4405 unlock_user(p, arg1, 0);
4406 break;
4407 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4408 case TARGET_NR_mknodat:
4409 if (!(p = lock_user_string(arg2)))
4410 goto efault;
4411 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4412 unlock_user(p, arg2, 0);
4413 break;
4414 #endif
4415 case TARGET_NR_chmod:
4416 if (!(p = lock_user_string(arg1)))
4417 goto efault;
4418 ret = get_errno(chmod(p, arg2));
4419 unlock_user(p, arg1, 0);
4420 break;
4421 #ifdef TARGET_NR_break
4422 case TARGET_NR_break:
4423 goto unimplemented;
4424 #endif
4425 #ifdef TARGET_NR_oldstat
4426 case TARGET_NR_oldstat:
4427 goto unimplemented;
4428 #endif
4429 case TARGET_NR_lseek:
4430 ret = get_errno(lseek(arg1, arg2, arg3));
4431 break;
4432 #ifdef TARGET_NR_getxpid
4433 case TARGET_NR_getxpid:
4434 #else
4435 case TARGET_NR_getpid:
4436 #endif
4437 ret = get_errno(getpid());
4438 break;
4439 case TARGET_NR_mount:
4440 {
4441 /* need to look at the data field */
4442 void *p2, *p3;
4443 p = lock_user_string(arg1);
4444 p2 = lock_user_string(arg2);
4445 p3 = lock_user_string(arg3);
4446 if (!p || !p2 || !p3)
4447 ret = -TARGET_EFAULT;
4448 else
4449 /* FIXME - arg5 should be locked, but it isn't clear how to
4450 * do that since it's not guaranteed to be a NULL-terminated
4451 * string.
4452 */
4453 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4454 unlock_user(p, arg1, 0);
4455 unlock_user(p2, arg2, 0);
4456 unlock_user(p3, arg3, 0);
4457 break;
4458 }
4459 #ifdef TARGET_NR_umount
4460 case TARGET_NR_umount:
4461 if (!(p = lock_user_string(arg1)))
4462 goto efault;
4463 ret = get_errno(umount(p));
4464 unlock_user(p, arg1, 0);
4465 break;
4466 #endif
4467 #ifdef TARGET_NR_stime /* not on alpha */
4468 case TARGET_NR_stime:
4469 {
4470 time_t host_time;
4471 if (get_user_sal(host_time, arg1))
4472 goto efault;
4473 ret = get_errno(stime(&host_time));
4474 }
4475 break;
4476 #endif
4477 case TARGET_NR_ptrace:
4478 goto unimplemented;
4479 #ifdef TARGET_NR_alarm /* not on alpha */
4480 case TARGET_NR_alarm:
4481 ret = alarm(arg1);
4482 break;
4483 #endif
4484 #ifdef TARGET_NR_oldfstat
4485 case TARGET_NR_oldfstat:
4486 goto unimplemented;
4487 #endif
4488 #ifdef TARGET_NR_pause /* not on alpha */
4489 case TARGET_NR_pause:
4490 ret = get_errno(pause());
4491 break;
4492 #endif
4493 #ifdef TARGET_NR_utime
4494 case TARGET_NR_utime:
4495 {
4496 struct utimbuf tbuf, *host_tbuf;
4497 struct target_utimbuf *target_tbuf;
4498 if (arg2) {
4499 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4500 goto efault;
4501 tbuf.actime = tswapl(target_tbuf->actime);
4502 tbuf.modtime = tswapl(target_tbuf->modtime);
4503 unlock_user_struct(target_tbuf, arg2, 0);
4504 host_tbuf = &tbuf;
4505 } else {
4506 host_tbuf = NULL;
4507 }
4508 if (!(p = lock_user_string(arg1)))
4509 goto efault;
4510 ret = get_errno(utime(p, host_tbuf));
4511 unlock_user(p, arg1, 0);
4512 }
4513 break;
4514 #endif
4515 case TARGET_NR_utimes:
4516 {
4517 struct timeval *tvp, tv[2];
4518 if (arg2) {
4519 if (copy_from_user_timeval(&tv[0], arg2)
4520 || copy_from_user_timeval(&tv[1],
4521 arg2 + sizeof(struct target_timeval)))
4522 goto efault;
4523 tvp = tv;
4524 } else {
4525 tvp = NULL;
4526 }
4527 if (!(p = lock_user_string(arg1)))
4528 goto efault;
4529 ret = get_errno(utimes(p, tvp));
4530 unlock_user(p, arg1, 0);
4531 }
4532 break;
4533 #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4534 case TARGET_NR_futimesat:
4535 {
4536 struct timeval *tvp, tv[2];
4537 if (arg3) {
4538 if (copy_from_user_timeval(&tv[0], arg3)
4539 || copy_from_user_timeval(&tv[1],
4540 arg3 + sizeof(struct target_timeval)))
4541 goto efault;
4542 tvp = tv;
4543 } else {
4544 tvp = NULL;
4545 }
4546 if (!(p = lock_user_string(arg2)))
4547 goto efault;
4548 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4549 unlock_user(p, arg2, 0);
4550 }
4551 break;
4552 #endif
4553 #ifdef TARGET_NR_stty
4554 case TARGET_NR_stty:
4555 goto unimplemented;
4556 #endif
4557 #ifdef TARGET_NR_gtty
4558 case TARGET_NR_gtty:
4559 goto unimplemented;
4560 #endif
4561 case TARGET_NR_access:
4562 if (!(p = lock_user_string(arg1)))
4563 goto efault;
4564 ret = get_errno(access(path(p), arg2));
4565 unlock_user(p, arg1, 0);
4566 break;
4567 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4568 case TARGET_NR_faccessat:
4569 if (!(p = lock_user_string(arg2)))
4570 goto efault;
4571 ret = get_errno(sys_faccessat(arg1, p, arg3));
4572 unlock_user(p, arg2, 0);
4573 break;
4574 #endif
4575 #ifdef TARGET_NR_nice /* not on alpha */
4576 case TARGET_NR_nice:
4577 ret = get_errno(nice(arg1));
4578 break;
4579 #endif
4580 #ifdef TARGET_NR_ftime
4581 case TARGET_NR_ftime:
4582 goto unimplemented;
4583 #endif
4584 case TARGET_NR_sync:
4585 sync();
4586 ret = 0;
4587 break;
4588 case TARGET_NR_kill:
4589 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
4590 break;
4591 case TARGET_NR_rename:
4592 {
4593 void *p2;
4594 p = lock_user_string(arg1);
4595 p2 = lock_user_string(arg2);
4596 if (!p || !p2)
4597 ret = -TARGET_EFAULT;
4598 else
4599 ret = get_errno(rename(p, p2));
4600 unlock_user(p2, arg2, 0);
4601 unlock_user(p, arg1, 0);
4602 }
4603 break;
4604 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4605 case TARGET_NR_renameat:
4606 {
4607 void *p2;
4608 p = lock_user_string(arg2);
4609 p2 = lock_user_string(arg4);
4610 if (!p || !p2)
4611 ret = -TARGET_EFAULT;
4612 else
4613 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
4614 unlock_user(p2, arg4, 0);
4615 unlock_user(p, arg2, 0);
4616 }
4617 break;
4618 #endif
4619 case TARGET_NR_mkdir:
4620 if (!(p = lock_user_string(arg1)))
4621 goto efault;
4622 ret = get_errno(mkdir(p, arg2));
4623 unlock_user(p, arg1, 0);
4624 break;
4625 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4626 case TARGET_NR_mkdirat:
4627 if (!(p = lock_user_string(arg2)))
4628 goto efault;
4629 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4630 unlock_user(p, arg2, 0);
4631 break;
4632 #endif
4633 case TARGET_NR_rmdir:
4634 if (!(p = lock_user_string(arg1)))
4635 goto efault;
4636 ret = get_errno(rmdir(p));
4637 unlock_user(p, arg1, 0);
4638 break;
4639 case TARGET_NR_dup:
4640 ret = get_errno(dup(arg1));
4641 break;
4642 case TARGET_NR_pipe:
4643 ret = do_pipe(cpu_env, arg1, 0);
4644 break;
4645 #ifdef TARGET_NR_pipe2
4646 case TARGET_NR_pipe2:
4647 ret = do_pipe(cpu_env, arg1, arg2);
4648 break;
4649 #endif
4650 case TARGET_NR_times:
4651 {
4652 struct target_tms *tmsp;
4653 struct tms tms;
4654 ret = get_errno(times(&tms));
4655 if (arg1) {
4656 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4657 if (!tmsp)
4658 goto efault;
4659 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4660 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4661 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4662 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
4663 }
4664 if (!is_error(ret))
4665 ret = host_to_target_clock_t(ret);
4666 }
4667 break;
4668 #ifdef TARGET_NR_prof
4669 case TARGET_NR_prof:
4670 goto unimplemented;
4671 #endif
4672 #ifdef TARGET_NR_signal
4673 case TARGET_NR_signal:
4674 goto unimplemented;
4675 #endif
4676 case TARGET_NR_acct:
4677 if (arg1 == 0) {
4678 ret = get_errno(acct(NULL));
4679 } else {
4680 if (!(p = lock_user_string(arg1)))
4681 goto efault;
4682 ret = get_errno(acct(path(p)));
4683 unlock_user(p, arg1, 0);
4684 }
4685 break;
4686 #ifdef TARGET_NR_umount2 /* not on alpha */
4687 case TARGET_NR_umount2:
4688 if (!(p = lock_user_string(arg1)))
4689 goto efault;
4690 ret = get_errno(umount2(p, arg2));
4691 unlock_user(p, arg1, 0);
4692 break;
4693 #endif
4694 #ifdef TARGET_NR_lock
4695 case TARGET_NR_lock:
4696 goto unimplemented;
4697 #endif
4698 case TARGET_NR_ioctl:
4699 ret = do_ioctl(arg1, arg2, arg3);
4700 break;
4701 case TARGET_NR_fcntl:
4702 ret = do_fcntl(arg1, arg2, arg3);
4703 break;
4704 #ifdef TARGET_NR_mpx
4705 case TARGET_NR_mpx:
4706 goto unimplemented;
4707 #endif
4708 case TARGET_NR_setpgid:
4709 ret = get_errno(setpgid(arg1, arg2));
4710 break;
4711 #ifdef TARGET_NR_ulimit
4712 case TARGET_NR_ulimit:
4713 goto unimplemented;
4714 #endif
4715 #ifdef TARGET_NR_oldolduname
4716 case TARGET_NR_oldolduname:
4717 goto unimplemented;
4718 #endif
4719 case TARGET_NR_umask:
4720 ret = get_errno(umask(arg1));
4721 break;
4722 case TARGET_NR_chroot:
4723 if (!(p = lock_user_string(arg1)))
4724 goto efault;
4725 ret = get_errno(chroot(p));
4726 unlock_user(p, arg1, 0);
4727 break;
4728 case TARGET_NR_ustat:
4729 goto unimplemented;
4730 case TARGET_NR_dup2:
4731 ret = get_errno(dup2(arg1, arg2));
4732 break;
4733 #ifdef TARGET_NR_getppid /* not on alpha */
4734 case TARGET_NR_getppid:
4735 ret = get_errno(getppid());
4736 break;
4737 #endif
4738 case TARGET_NR_getpgrp:
4739 ret = get_errno(getpgrp());
4740 break;
4741 case TARGET_NR_setsid:
4742 ret = get_errno(setsid());
4743 break;
4744 #ifdef TARGET_NR_sigaction
4745 case TARGET_NR_sigaction:
4746 {
4747 #if !defined(TARGET_MIPS)
4748 struct target_old_sigaction *old_act;
4749 struct target_sigaction act, oact, *pact;
4750 if (arg2) {
4751 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4752 goto efault;
4753 act._sa_handler = old_act->_sa_handler;
4754 target_siginitset(&act.sa_mask, old_act->sa_mask);
4755 act.sa_flags = old_act->sa_flags;
4756 act.sa_restorer = old_act->sa_restorer;
4757 unlock_user_struct(old_act, arg2, 0);
4758 pact = &act;
4759 } else {
4760 pact = NULL;
4761 }
4762 ret = get_errno(do_sigaction(arg1, pact, &oact));
4763 if (!is_error(ret) && arg3) {
4764 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4765 goto efault;
4766 old_act->_sa_handler = oact._sa_handler;
4767 old_act->sa_mask = oact.sa_mask.sig[0];
4768 old_act->sa_flags = oact.sa_flags;
4769 old_act->sa_restorer = oact.sa_restorer;
4770 unlock_user_struct(old_act, arg3, 1);
4771 }
4772 #else
4773 struct target_sigaction act, oact, *pact, *old_act;
4774
4775 if (arg2) {
4776 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4777 goto efault;
4778 act._sa_handler = old_act->_sa_handler;
4779 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4780 act.sa_flags = old_act->sa_flags;
4781 unlock_user_struct(old_act, arg2, 0);
4782 pact = &act;
4783 } else {
4784 pact = NULL;
4785 }
4786
4787 ret = get_errno(do_sigaction(arg1, pact, &oact));
4788
4789 if (!is_error(ret) && arg3) {
4790 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4791 goto efault;
4792 old_act->_sa_handler = oact._sa_handler;
4793 old_act->sa_flags = oact.sa_flags;
4794 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4795 old_act->sa_mask.sig[1] = 0;
4796 old_act->sa_mask.sig[2] = 0;
4797 old_act->sa_mask.sig[3] = 0;
4798 unlock_user_struct(old_act, arg3, 1);
4799 }
4800 #endif
4801 }
4802 break;
4803 #endif
4804 case TARGET_NR_rt_sigaction:
4805 {
4806 struct target_sigaction *act;
4807 struct target_sigaction *oact;
4808
4809 if (arg2) {
4810 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4811 goto efault;
4812 } else
4813 act = NULL;
4814 if (arg3) {
4815 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4816 ret = -TARGET_EFAULT;
4817 goto rt_sigaction_fail;
4818 }
4819 } else
4820 oact = NULL;
4821 ret = get_errno(do_sigaction(arg1, act, oact));
4822 rt_sigaction_fail:
4823 if (act)
4824 unlock_user_struct(act, arg2, 0);
4825 if (oact)
4826 unlock_user_struct(oact, arg3, 1);
4827 }
4828 break;
4829 #ifdef TARGET_NR_sgetmask /* not on alpha */
4830 case TARGET_NR_sgetmask:
4831 {
4832 sigset_t cur_set;
4833 abi_ulong target_set;
4834 sigprocmask(0, NULL, &cur_set);
4835 host_to_target_old_sigset(&target_set, &cur_set);
4836 ret = target_set;
4837 }
4838 break;
4839 #endif
4840 #ifdef TARGET_NR_ssetmask /* not on alpha */
4841 case TARGET_NR_ssetmask:
4842 {
4843 sigset_t set, oset, cur_set;
4844 abi_ulong target_set = arg1;
4845 sigprocmask(0, NULL, &cur_set);
4846 target_to_host_old_sigset(&set, &target_set);
4847 sigorset(&set, &set, &cur_set);
4848 sigprocmask(SIG_SETMASK, &set, &oset);
4849 host_to_target_old_sigset(&target_set, &oset);
4850 ret = target_set;
4851 }
4852 break;
4853 #endif
4854 #ifdef TARGET_NR_sigprocmask
4855 case TARGET_NR_sigprocmask:
4856 {
4857 int how = arg1;
4858 sigset_t set, oldset, *set_ptr;
4859
4860 if (arg2) {
4861 switch(how) {
4862 case TARGET_SIG_BLOCK:
4863 how = SIG_BLOCK;
4864 break;
4865 case TARGET_SIG_UNBLOCK:
4866 how = SIG_UNBLOCK;
4867 break;
4868 case TARGET_SIG_SETMASK:
4869 how = SIG_SETMASK;
4870 break;
4871 default:
4872 ret = -TARGET_EINVAL;
4873 goto fail;
4874 }
4875 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4876 goto efault;
4877 target_to_host_old_sigset(&set, p);
4878 unlock_user(p, arg2, 0);
4879 set_ptr = &set;
4880 } else {
4881 how = 0;
4882 set_ptr = NULL;
4883 }
4884 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
4885 if (!is_error(ret) && arg3) {
4886 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4887 goto efault;
4888 host_to_target_old_sigset(p, &oldset);
4889 unlock_user(p, arg3, sizeof(target_sigset_t));
4890 }
4891 }
4892 break;
4893 #endif
4894 case TARGET_NR_rt_sigprocmask:
4895 {
4896 int how = arg1;
4897 sigset_t set, oldset, *set_ptr;
4898
4899 if (arg2) {
4900 switch(how) {
4901 case TARGET_SIG_BLOCK:
4902 how = SIG_BLOCK;
4903 break;
4904 case TARGET_SIG_UNBLOCK:
4905 how = SIG_UNBLOCK;
4906 break;
4907 case TARGET_SIG_SETMASK:
4908 how = SIG_SETMASK;
4909 break;
4910 default:
4911 ret = -TARGET_EINVAL;
4912 goto fail;
4913 }
4914 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4915 goto efault;
4916 target_to_host_sigset(&set, p);
4917 unlock_user(p, arg2, 0);
4918 set_ptr = &set;
4919 } else {
4920 how = 0;
4921 set_ptr = NULL;
4922 }
4923 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
4924 if (!is_error(ret) && arg3) {
4925 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4926 goto efault;
4927 host_to_target_sigset(p, &oldset);
4928 unlock_user(p, arg3, sizeof(target_sigset_t));
4929 }
4930 }
4931 break;
4932 #ifdef TARGET_NR_sigpending
4933 case TARGET_NR_sigpending:
4934 {
4935 sigset_t set;
4936 ret = get_errno(sigpending(&set));
4937 if (!is_error(ret)) {
4938 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4939 goto efault;
4940 host_to_target_old_sigset(p, &set);
4941 unlock_user(p, arg1, sizeof(target_sigset_t));
4942 }
4943 }
4944 break;
4945 #endif
4946 case TARGET_NR_rt_sigpending:
4947 {
4948 sigset_t set;
4949 ret = get_errno(sigpending(&set));
4950 if (!is_error(ret)) {
4951 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4952 goto efault;
4953 host_to_target_sigset(p, &set);
4954 unlock_user(p, arg1, sizeof(target_sigset_t));
4955 }
4956 }
4957 break;
4958 #ifdef TARGET_NR_sigsuspend
4959 case TARGET_NR_sigsuspend:
4960 {
4961 sigset_t set;
4962 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4963 goto efault;
4964 target_to_host_old_sigset(&set, p);
4965 unlock_user(p, arg1, 0);
4966 ret = get_errno(sigsuspend(&set));
4967 }
4968 break;
4969 #endif
4970 case TARGET_NR_rt_sigsuspend:
4971 {
4972 sigset_t set;
4973 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4974 goto efault;
4975 target_to_host_sigset(&set, p);
4976 unlock_user(p, arg1, 0);
4977 ret = get_errno(sigsuspend(&set));
4978 }
4979 break;
4980 case TARGET_NR_rt_sigtimedwait:
4981 {
4982 sigset_t set;
4983 struct timespec uts, *puts;
4984 siginfo_t uinfo;
4985
4986 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4987 goto efault;
4988 target_to_host_sigset(&set, p);
4989 unlock_user(p, arg1, 0);
4990 if (arg3) {
4991 puts = &uts;
4992 target_to_host_timespec(puts, arg3);
4993 } else {
4994 puts = NULL;
4995 }
4996 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
4997 if (!is_error(ret) && arg2) {
4998 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
4999 goto efault;
5000 host_to_target_siginfo(p, &uinfo);
5001 unlock_user(p, arg2, sizeof(target_siginfo_t));
5002 }
5003 }
5004 break;
5005 case TARGET_NR_rt_sigqueueinfo:
5006 {
5007 siginfo_t uinfo;
5008 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
5009 goto efault;
5010 target_to_host_siginfo(&uinfo, p);
5011 unlock_user(p, arg1, 0);
5012 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5013 }
5014 break;
5015 #ifdef TARGET_NR_sigreturn
5016 case TARGET_NR_sigreturn:
5017 /* NOTE: ret is eax, so not transcoding must be done */
5018 ret = do_sigreturn(cpu_env);
5019 break;
5020 #endif
5021 case TARGET_NR_rt_sigreturn:
5022 /* NOTE: ret is eax, so not transcoding must be done */
5023 ret = do_rt_sigreturn(cpu_env);
5024 break;
5025 case TARGET_NR_sethostname:
5026 if (!(p = lock_user_string(arg1)))
5027 goto efault;
5028 ret = get_errno(sethostname(p, arg2));
5029 unlock_user(p, arg1, 0);
5030 break;
5031 case TARGET_NR_setrlimit:
5032 {
5033 /* XXX: convert resource ? */
5034 int resource = arg1;
5035 struct target_rlimit *target_rlim;
5036 struct rlimit rlim;
5037 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5038 goto efault;
5039 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
5040 rlim.rlim_max = tswapl(target_rlim->rlim_max);
5041 unlock_user_struct(target_rlim, arg2, 0);
5042 ret = get_errno(setrlimit(resource, &rlim));
5043 }
5044 break;
5045 case TARGET_NR_getrlimit:
5046 {
5047 /* XXX: convert resource ? */
5048 int resource = arg1;
5049 struct target_rlimit *target_rlim;
5050 struct rlimit rlim;
5051
5052 ret = get_errno(getrlimit(resource, &rlim));
5053 if (!is_error(ret)) {
5054 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5055 goto efault;
5056 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
5057 target_rlim->rlim_max = tswapl(rlim.rlim_max);
5058 unlock_user_struct(target_rlim, arg2, 1);
5059 }
5060 }
5061 break;
5062 case TARGET_NR_getrusage:
5063 {
5064 struct rusage rusage;
5065 ret = get_errno(getrusage(arg1, &rusage));
5066 if (!is_error(ret)) {
5067 host_to_target_rusage(arg2, &rusage);
5068 }
5069 }
5070 break;
5071 case TARGET_NR_gettimeofday:
5072 {
5073 struct timeval tv;
5074 ret = get_errno(gettimeofday(&tv, NULL));
5075 if (!is_error(ret)) {
5076 if (copy_to_user_timeval(arg1, &tv))
5077 goto efault;
5078 }
5079 }
5080 break;
5081 case TARGET_NR_settimeofday:
5082 {
5083 struct timeval tv;
5084 if (copy_from_user_timeval(&tv, arg1))
5085 goto efault;
5086 ret = get_errno(settimeofday(&tv, NULL));
5087 }
5088 break;
5089 #ifdef TARGET_NR_select
5090 case TARGET_NR_select:
5091 {
5092 struct target_sel_arg_struct *sel;
5093 abi_ulong inp, outp, exp, tvp;
5094 long nsel;
5095
5096 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5097 goto efault;
5098 nsel = tswapl(sel->n);
5099 inp = tswapl(sel->inp);
5100 outp = tswapl(sel->outp);
5101 exp = tswapl(sel->exp);
5102 tvp = tswapl(sel->tvp);
5103 unlock_user_struct(sel, arg1, 0);
5104 ret = do_select(nsel, inp, outp, exp, tvp);
5105 }
5106 break;
5107 #endif
5108 case TARGET_NR_symlink:
5109 {
5110 void *p2;
5111 p = lock_user_string(arg1);
5112 p2 = lock_user_string(arg2);
5113 if (!p || !p2)
5114 ret = -TARGET_EFAULT;
5115 else
5116 ret = get_errno(symlink(p, p2));
5117 unlock_user(p2, arg2, 0);
5118 unlock_user(p, arg1, 0);
5119 }
5120 break;
5121 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5122 case TARGET_NR_symlinkat:
5123 {
5124 void *p2;
5125 p = lock_user_string(arg1);
5126 p2 = lock_user_string(arg3);
5127 if (!p || !p2)
5128 ret = -TARGET_EFAULT;
5129 else
5130 ret = get_errno(sys_symlinkat(p, arg2, p2));
5131 unlock_user(p2, arg3, 0);
5132 unlock_user(p, arg1, 0);
5133 }
5134 break;
5135 #endif
5136 #ifdef TARGET_NR_oldlstat
5137 case TARGET_NR_oldlstat:
5138 goto unimplemented;
5139 #endif
5140 case TARGET_NR_readlink:
5141 {
5142 void *p2, *temp;
5143 p = lock_user_string(arg1);
5144 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5145 if (!p || !p2)
5146 ret = -TARGET_EFAULT;
5147 else {
5148 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5149 char real[PATH_MAX];
5150 temp = realpath(exec_path,real);
5151 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5152 snprintf((char *)p2, arg3, "%s", real);
5153 }
5154 else
5155 ret = get_errno(readlink(path(p), p2, arg3));
5156 }
5157 unlock_user(p2, arg2, ret);
5158 unlock_user(p, arg1, 0);
5159 }
5160 break;
5161 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5162 case TARGET_NR_readlinkat:
5163 {
5164 void *p2;
5165 p = lock_user_string(arg2);
5166 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5167 if (!p || !p2)
5168 ret = -TARGET_EFAULT;
5169 else
5170 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
5171 unlock_user(p2, arg3, ret);
5172 unlock_user(p, arg2, 0);
5173 }
5174 break;
5175 #endif
5176 #ifdef TARGET_NR_uselib
5177 case TARGET_NR_uselib:
5178 goto unimplemented;
5179 #endif
5180 #ifdef TARGET_NR_swapon
5181 case TARGET_NR_swapon:
5182 if (!(p = lock_user_string(arg1)))
5183 goto efault;
5184 ret = get_errno(swapon(p, arg2));
5185 unlock_user(p, arg1, 0);
5186 break;
5187 #endif
5188 case TARGET_NR_reboot:
5189 goto unimplemented;
5190 #ifdef TARGET_NR_readdir
5191 case TARGET_NR_readdir:
5192 goto unimplemented;
5193 #endif
5194 #ifdef TARGET_NR_mmap
5195 case TARGET_NR_mmap:
5196 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
5197 {
5198 abi_ulong *v;
5199 abi_ulong v1, v2, v3, v4, v5, v6;
5200 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5201 goto efault;
5202 v1 = tswapl(v[0]);
5203 v2 = tswapl(v[1]);
5204 v3 = tswapl(v[2]);
5205 v4 = tswapl(v[3]);
5206 v5 = tswapl(v[4]);
5207 v6 = tswapl(v[5]);
5208 unlock_user(v, arg1, 0);
5209 ret = get_errno(target_mmap(v1, v2, v3,
5210 target_to_host_bitmask(v4, mmap_flags_tbl),
5211 v5, v6));
5212 }
5213 #else
5214 ret = get_errno(target_mmap(arg1, arg2, arg3,
5215 target_to_host_bitmask(arg4, mmap_flags_tbl),
5216 arg5,
5217 arg6));
5218 #endif
5219 break;
5220 #endif
5221 #ifdef TARGET_NR_mmap2
5222 case TARGET_NR_mmap2:
5223 #ifndef MMAP_SHIFT
5224 #define MMAP_SHIFT 12
5225 #endif
5226 ret = get_errno(target_mmap(arg1, arg2, arg3,
5227 target_to_host_bitmask(arg4, mmap_flags_tbl),
5228 arg5,
5229 arg6 << MMAP_SHIFT));
5230 break;
5231 #endif
5232 case TARGET_NR_munmap:
5233 ret = get_errno(target_munmap(arg1, arg2));
5234 break;
5235 case TARGET_NR_mprotect:
5236 ret = get_errno(target_mprotect(arg1, arg2, arg3));
5237 break;
5238 #ifdef TARGET_NR_mremap
5239 case TARGET_NR_mremap:
5240 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
5241 break;
5242 #endif
5243 /* ??? msync/mlock/munlock are broken for softmmu. */
5244 #ifdef TARGET_NR_msync
5245 case TARGET_NR_msync:
5246 ret = get_errno(msync(g2h(arg1), arg2, arg3));
5247 break;
5248 #endif
5249 #ifdef TARGET_NR_mlock
5250 case TARGET_NR_mlock:
5251 ret = get_errno(mlock(g2h(arg1), arg2));
5252 break;
5253 #endif
5254 #ifdef TARGET_NR_munlock
5255 case TARGET_NR_munlock:
5256 ret = get_errno(munlock(g2h(arg1), arg2));
5257 break;
5258 #endif
5259 #ifdef TARGET_NR_mlockall
5260 case TARGET_NR_mlockall:
5261 ret = get_errno(mlockall(arg1));
5262 break;
5263 #endif
5264 #ifdef TARGET_NR_munlockall
5265 case TARGET_NR_munlockall:
5266 ret = get_errno(munlockall());
5267 break;
5268 #endif
5269 case TARGET_NR_truncate:
5270 if (!(p = lock_user_string(arg1)))
5271 goto efault;
5272 ret = get_errno(truncate(p, arg2));
5273 unlock_user(p, arg1, 0);
5274 break;
5275 case TARGET_NR_ftruncate:
5276 ret = get_errno(ftruncate(arg1, arg2));
5277 break;
5278 case TARGET_NR_fchmod:
5279 ret = get_errno(fchmod(arg1, arg2));
5280 break;
5281 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5282 case TARGET_NR_fchmodat:
5283 if (!(p = lock_user_string(arg2)))
5284 goto efault;
5285 ret = get_errno(sys_fchmodat(arg1, p, arg3));
5286 unlock_user(p, arg2, 0);
5287 break;
5288 #endif
5289 case TARGET_NR_getpriority:
5290 /* libc does special remapping of the return value of
5291 * sys_getpriority() so it's just easiest to call
5292 * sys_getpriority() directly rather than through libc. */
5293 ret = sys_getpriority(arg1, arg2);
5294 break;
5295 case TARGET_NR_setpriority:
5296 ret = get_errno(setpriority(arg1, arg2, arg3));
5297 break;
5298 #ifdef TARGET_NR_profil
5299 case TARGET_NR_profil:
5300 goto unimplemented;
5301 #endif
5302 case TARGET_NR_statfs:
5303 if (!(p = lock_user_string(arg1)))
5304 goto efault;
5305 ret = get_errno(statfs(path(p), &stfs));
5306 unlock_user(p, arg1, 0);
5307 convert_statfs:
5308 if (!is_error(ret)) {
5309 struct target_statfs *target_stfs;
5310
5311 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5312 goto efault;
5313 __put_user(stfs.f_type, &target_stfs->f_type);
5314 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5315 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5316 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5317 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5318 __put_user(stfs.f_files, &target_stfs->f_files);
5319 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5320 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5321 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5322 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5323 unlock_user_struct(target_stfs, arg2, 1);
5324 }
5325 break;
5326 case TARGET_NR_fstatfs:
5327 ret = get_errno(fstatfs(arg1, &stfs));
5328 goto convert_statfs;
5329 #ifdef TARGET_NR_statfs64
5330 case TARGET_NR_statfs64:
5331 if (!(p = lock_user_string(arg1)))
5332 goto efault;
5333 ret = get_errno(statfs(path(p), &stfs));
5334 unlock_user(p, arg1, 0);
5335 convert_statfs64:
5336 if (!is_error(ret)) {
5337 struct target_statfs64 *target_stfs;
5338
5339 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5340 goto efault;
5341 __put_user(stfs.f_type, &target_stfs->f_type);
5342 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5343 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5344 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5345 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5346 __put_user(stfs.f_files, &target_stfs->f_files);
5347 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5348 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5349 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5350 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5351 unlock_user_struct(target_stfs, arg3, 1);
5352 }
5353 break;
5354 case TARGET_NR_fstatfs64:
5355 ret = get_errno(fstatfs(arg1, &stfs));
5356 goto convert_statfs64;
5357 #endif
5358 #ifdef TARGET_NR_ioperm
5359 case TARGET_NR_ioperm:
5360 goto unimplemented;
5361 #endif
5362 #ifdef TARGET_NR_socketcall
5363 case TARGET_NR_socketcall:
5364 ret = do_socketcall(arg1, arg2);
5365 break;
5366 #endif
5367 #ifdef TARGET_NR_accept
5368 case TARGET_NR_accept:
5369 ret = do_accept(arg1, arg2, arg3);
5370 break;
5371 #endif
5372 #ifdef TARGET_NR_bind
5373 case TARGET_NR_bind:
5374 ret = do_bind(arg1, arg2, arg3);
5375 break;
5376 #endif
5377 #ifdef TARGET_NR_connect
5378 case TARGET_NR_connect:
5379 ret = do_connect(arg1, arg2, arg3);
5380 break;
5381 #endif
5382 #ifdef TARGET_NR_getpeername
5383 case TARGET_NR_getpeername:
5384 ret = do_getpeername(arg1, arg2, arg3);
5385 break;
5386 #endif
5387 #ifdef TARGET_NR_getsockname
5388 case TARGET_NR_getsockname:
5389 ret = do_getsockname(arg1, arg2, arg3);
5390 break;
5391 #endif
5392 #ifdef TARGET_NR_getsockopt
5393 case TARGET_NR_getsockopt:
5394 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5395 break;
5396 #endif
5397 #ifdef TARGET_NR_listen
5398 case TARGET_NR_listen:
5399 ret = get_errno(listen(arg1, arg2));
5400 break;
5401 #endif
5402 #ifdef TARGET_NR_recv
5403 case TARGET_NR_recv:
5404 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
5405 break;
5406 #endif
5407 #ifdef TARGET_NR_recvfrom
5408 case TARGET_NR_recvfrom:
5409 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
5410 break;
5411 #endif
5412 #ifdef TARGET_NR_recvmsg
5413 case TARGET_NR_recvmsg:
5414 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5415 break;
5416 #endif
5417 #ifdef TARGET_NR_send
5418 case TARGET_NR_send:
5419 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
5420 break;
5421 #endif
5422 #ifdef TARGET_NR_sendmsg
5423 case TARGET_NR_sendmsg:
5424 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5425 break;
5426 #endif
5427 #ifdef TARGET_NR_sendto
5428 case TARGET_NR_sendto:
5429 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
5430 break;
5431 #endif
5432 #ifdef TARGET_NR_shutdown
5433 case TARGET_NR_shutdown:
5434 ret = get_errno(shutdown(arg1, arg2));
5435 break;
5436 #endif
5437 #ifdef TARGET_NR_socket
5438 case TARGET_NR_socket:
5439 ret = do_socket(arg1, arg2, arg3);
5440 break;
5441 #endif
5442 #ifdef TARGET_NR_socketpair
5443 case TARGET_NR_socketpair:
5444 ret = do_socketpair(arg1, arg2, arg3, arg4);
5445 break;
5446 #endif
5447 #ifdef TARGET_NR_setsockopt
5448 case TARGET_NR_setsockopt:
5449 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5450 break;
5451 #endif
5452
5453 case TARGET_NR_syslog:
5454 if (!(p = lock_user_string(arg2)))
5455 goto efault;
5456 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5457 unlock_user(p, arg2, 0);
5458 break;
5459
5460 case TARGET_NR_setitimer:
5461 {
5462 struct itimerval value, ovalue, *pvalue;
5463
5464 if (arg2) {
5465 pvalue = &value;
5466 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5467 || copy_from_user_timeval(&pvalue->it_value,
5468 arg2 + sizeof(struct target_timeval)))
5469 goto efault;
5470 } else {
5471 pvalue = NULL;
5472 }
5473 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
5474 if (!is_error(ret) && arg3) {
5475 if (copy_to_user_timeval(arg3,
5476 &ovalue.it_interval)
5477 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5478 &ovalue.it_value))
5479 goto efault;
5480 }
5481 }
5482 break;
5483 case TARGET_NR_getitimer:
5484 {
5485 struct itimerval value;
5486
5487 ret = get_errno(getitimer(arg1, &value));
5488 if (!is_error(ret) && arg2) {
5489 if (copy_to_user_timeval(arg2,
5490 &value.it_interval)
5491 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5492 &value.it_value))
5493 goto efault;
5494 }
5495 }
5496 break;
5497 case TARGET_NR_stat:
5498 if (!(p = lock_user_string(arg1)))
5499 goto efault;
5500 ret = get_errno(stat(path(p), &st));
5501 unlock_user(p, arg1, 0);
5502 goto do_stat;
5503 case TARGET_NR_lstat:
5504 if (!(p = lock_user_string(arg1)))
5505 goto efault;
5506 ret = get_errno(lstat(path(p), &st));
5507 unlock_user(p, arg1, 0);
5508 goto do_stat;
5509 case TARGET_NR_fstat:
5510 {
5511 ret = get_errno(fstat(arg1, &st));
5512 do_stat:
5513 if (!is_error(ret)) {
5514 struct target_stat *target_st;
5515
5516 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5517 goto efault;
5518 __put_user(st.st_dev, &target_st->st_dev);
5519 __put_user(st.st_ino, &target_st->st_ino);
5520 __put_user(st.st_mode, &target_st->st_mode);
5521 __put_user(st.st_uid, &target_st->st_uid);
5522 __put_user(st.st_gid, &target_st->st_gid);
5523 __put_user(st.st_nlink, &target_st->st_nlink);
5524 __put_user(st.st_rdev, &target_st->st_rdev);
5525 __put_user(st.st_size, &target_st->st_size);
5526 __put_user(st.st_blksize, &target_st->st_blksize);
5527 __put_user(st.st_blocks, &target_st->st_blocks);
5528 __put_user(st.st_atime, &target_st->target_st_atime);
5529 __put_user(st.st_mtime, &target_st->target_st_mtime);
5530 __put_user(st.st_ctime, &target_st->target_st_ctime);
5531 unlock_user_struct(target_st, arg2, 1);
5532 }
5533 }
5534 break;
5535 #ifdef TARGET_NR_olduname
5536 case TARGET_NR_olduname:
5537 goto unimplemented;
5538 #endif
5539 #ifdef TARGET_NR_iopl
5540 case TARGET_NR_iopl:
5541 goto unimplemented;
5542 #endif
5543 case TARGET_NR_vhangup:
5544 ret = get_errno(vhangup());
5545 break;
5546 #ifdef TARGET_NR_idle
5547 case TARGET_NR_idle:
5548 goto unimplemented;
5549 #endif
5550 #ifdef TARGET_NR_syscall
5551 case TARGET_NR_syscall:
5552 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5553 break;
5554 #endif
5555 case TARGET_NR_wait4:
5556 {
5557 int status;
5558 abi_long status_ptr = arg2;
5559 struct rusage rusage, *rusage_ptr;
5560 abi_ulong target_rusage = arg4;
5561 if (target_rusage)
5562 rusage_ptr = &rusage;
5563 else
5564 rusage_ptr = NULL;
5565 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5566 if (!is_error(ret)) {
5567 if (status_ptr) {
5568 status = host_to_target_waitstatus(status);
5569 if (put_user_s32(status, status_ptr))
5570 goto efault;
5571 }
5572 if (target_rusage)
5573 host_to_target_rusage(target_rusage, &rusage);
5574 }
5575 }
5576 break;
5577 #ifdef TARGET_NR_swapoff
5578 case TARGET_NR_swapoff:
5579 if (!(p = lock_user_string(arg1)))
5580 goto efault;
5581 ret = get_errno(swapoff(p));
5582 unlock_user(p, arg1, 0);
5583 break;
5584 #endif
5585 case TARGET_NR_sysinfo:
5586 {
5587 struct target_sysinfo *target_value;
5588 struct sysinfo value;
5589 ret = get_errno(sysinfo(&value));
5590 if (!is_error(ret) && arg1)
5591 {
5592 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5593 goto efault;
5594 __put_user(value.uptime, &target_value->uptime);
5595 __put_user(value.loads[0], &target_value->loads[0]);
5596 __put_user(value.loads[1], &target_value->loads[1]);
5597 __put_user(value.loads[2], &target_value->loads[2]);
5598 __put_user(value.totalram, &target_value->totalram);
5599 __put_user(value.freeram, &target_value->freeram);
5600 __put_user(value.sharedram, &target_value->sharedram);
5601 __put_user(value.bufferram, &target_value->bufferram);
5602 __put_user(value.totalswap, &target_value->totalswap);
5603 __put_user(value.freeswap, &target_value->freeswap);
5604 __put_user(value.procs, &target_value->procs);
5605 __put_user(value.totalhigh, &target_value->totalhigh);
5606 __put_user(value.freehigh, &target_value->freehigh);
5607 __put_user(value.mem_unit, &target_value->mem_unit);
5608 unlock_user_struct(target_value, arg1, 1);
5609 }
5610 }
5611 break;
5612 #ifdef TARGET_NR_ipc
5613 case TARGET_NR_ipc:
5614 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5615 break;
5616 #endif
5617 #ifdef TARGET_NR_semget
5618 case TARGET_NR_semget:
5619 ret = get_errno(semget(arg1, arg2, arg3));
5620 break;
5621 #endif
5622 #ifdef TARGET_NR_semop
5623 case TARGET_NR_semop:
5624 ret = get_errno(do_semop(arg1, arg2, arg3));
5625 break;
5626 #endif
5627 #ifdef TARGET_NR_semctl
5628 case TARGET_NR_semctl:
5629 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5630 break;
5631 #endif
5632 #ifdef TARGET_NR_msgctl
5633 case TARGET_NR_msgctl:
5634 ret = do_msgctl(arg1, arg2, arg3);
5635 break;
5636 #endif
5637 #ifdef TARGET_NR_msgget
5638 case TARGET_NR_msgget:
5639 ret = get_errno(msgget(arg1, arg2));
5640 break;
5641 #endif
5642 #ifdef TARGET_NR_msgrcv
5643 case TARGET_NR_msgrcv:
5644 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5645 break;
5646 #endif
5647 #ifdef TARGET_NR_msgsnd
5648 case TARGET_NR_msgsnd:
5649 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5650 break;
5651 #endif
5652 #ifdef TARGET_NR_shmget
5653 case TARGET_NR_shmget:
5654 ret = get_errno(shmget(arg1, arg2, arg3));
5655 break;
5656 #endif
5657 #ifdef TARGET_NR_shmctl
5658 case TARGET_NR_shmctl:
5659 ret = do_shmctl(arg1, arg2, arg3);
5660 break;
5661 #endif
5662 #ifdef TARGET_NR_shmat
5663 case TARGET_NR_shmat:
5664 ret = do_shmat(arg1, arg2, arg3);
5665 break;
5666 #endif
5667 #ifdef TARGET_NR_shmdt
5668 case TARGET_NR_shmdt:
5669 ret = do_shmdt(arg1);
5670 break;
5671 #endif
5672 case TARGET_NR_fsync:
5673 ret = get_errno(fsync(arg1));
5674 break;
5675 case TARGET_NR_clone:
5676 #if defined(TARGET_SH4)
5677 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
5678 #elif defined(TARGET_CRIS)
5679 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
5680 #else
5681 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
5682 #endif
5683 break;
5684 #ifdef __NR_exit_group
5685 /* new thread calls */
5686 case TARGET_NR_exit_group:
5687 #ifdef TARGET_GPROF
5688 _mcleanup();
5689 #endif
5690 gdb_exit(cpu_env, arg1);
5691 ret = get_errno(exit_group(arg1));
5692 break;
5693 #endif
5694 case TARGET_NR_setdomainname:
5695 if (!(p = lock_user_string(arg1)))
5696 goto efault;
5697 ret = get_errno(setdomainname(p, arg2));
5698 unlock_user(p, arg1, 0);
5699 break;
5700 case TARGET_NR_uname:
5701 /* no need to transcode because we use the linux syscall */
5702 {
5703 struct new_utsname * buf;
5704
5705 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5706 goto efault;
5707 ret = get_errno(sys_uname(buf));
5708 if (!is_error(ret)) {
5709 /* Overrite the native machine name with whatever is being
5710 emulated. */
5711 strcpy (buf->machine, UNAME_MACHINE);
5712 /* Allow the user to override the reported release. */
5713 if (qemu_uname_release && *qemu_uname_release)
5714 strcpy (buf->release, qemu_uname_release);
5715 }
5716 unlock_user_struct(buf, arg1, 1);
5717 }
5718 break;
5719 #ifdef TARGET_I386
5720 case TARGET_NR_modify_ldt:
5721 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5722 break;
5723 #if !defined(TARGET_X86_64)
5724 case TARGET_NR_vm86old:
5725 goto unimplemented;
5726 case TARGET_NR_vm86:
5727 ret = do_vm86(cpu_env, arg1, arg2);
5728 break;
5729 #endif
5730 #endif
5731 case TARGET_NR_adjtimex:
5732 goto unimplemented;
5733 #ifdef TARGET_NR_create_module
5734 case TARGET_NR_create_module:
5735 #endif
5736 case TARGET_NR_init_module:
5737 case TARGET_NR_delete_module:
5738 #ifdef TARGET_NR_get_kernel_syms
5739 case TARGET_NR_get_kernel_syms:
5740 #endif
5741 goto unimplemented;
5742 case TARGET_NR_quotactl:
5743 goto unimplemented;
5744 case TARGET_NR_getpgid:
5745 ret = get_errno(getpgid(arg1));
5746 break;
5747 case TARGET_NR_fchdir:
5748 ret = get_errno(fchdir(arg1));
5749 break;
5750 #ifdef TARGET_NR_bdflush /* not on x86_64 */
5751 case TARGET_NR_bdflush:
5752 goto unimplemented;
5753 #endif
5754 #ifdef TARGET_NR_sysfs
5755 case TARGET_NR_sysfs:
5756 goto unimplemented;
5757 #endif
5758 case TARGET_NR_personality:
5759 ret = get_errno(personality(arg1));
5760 break;
5761 #ifdef TARGET_NR_afs_syscall
5762 case TARGET_NR_afs_syscall:
5763 goto unimplemented;
5764 #endif
5765 #ifdef TARGET_NR__llseek /* Not on alpha */
5766 case TARGET_NR__llseek:
5767 {
5768 #if defined (__x86_64__)
5769 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
5770 if (put_user_s64(ret, arg4))
5771 goto efault;
5772 #else
5773 int64_t res;
5774 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
5775 if (put_user_s64(res, arg4))
5776 goto efault;
5777 #endif
5778 }
5779 break;
5780 #endif
5781 case TARGET_NR_getdents:
5782 #if TARGET_ABI_BITS != 32
5783 goto unimplemented;
5784 #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
5785 {
5786 struct target_dirent *target_dirp;
5787 struct linux_dirent *dirp;
5788 abi_long count = arg3;
5789
5790 dirp = malloc(count);
5791 if (!dirp) {
5792 ret = -TARGET_ENOMEM;
5793 goto fail;
5794 }
5795
5796 ret = get_errno(sys_getdents(arg1, dirp, count));
5797 if (!is_error(ret)) {
5798 struct linux_dirent *de;
5799 struct target_dirent *tde;
5800 int len = ret;
5801 int reclen, treclen;
5802 int count1, tnamelen;
5803
5804 count1 = 0;
5805 de = dirp;
5806 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5807 goto efault;
5808 tde = target_dirp;
5809 while (len > 0) {
5810 reclen = de->d_reclen;
5811 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
5812 tde->d_reclen = tswap16(treclen);
5813 tde->d_ino = tswapl(de->d_ino);
5814 tde->d_off = tswapl(de->d_off);
5815 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
5816 if (tnamelen > 256)
5817 tnamelen = 256;
5818 /* XXX: may not be correct */
5819 pstrcpy(tde->d_name, tnamelen, de->d_name);
5820 de = (struct linux_dirent *)((char *)de + reclen);
5821 len -= reclen;
5822 tde = (struct target_dirent *)((char *)tde + treclen);
5823 count1 += treclen;
5824 }
5825 ret = count1;
5826 unlock_user(target_dirp, arg2, ret);
5827 }
5828 free(dirp);
5829 }
5830 #else
5831 {
5832 struct linux_dirent *dirp;
5833 abi_long count = arg3;
5834
5835 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5836 goto efault;
5837 ret = get_errno(sys_getdents(arg1, dirp, count));
5838 if (!is_error(ret)) {
5839 struct linux_dirent *de;
5840 int len = ret;
5841 int reclen;
5842 de = dirp;
5843 while (len > 0) {
5844 reclen = de->d_reclen;
5845 if (reclen > len)
5846 break;
5847 de->d_reclen = tswap16(reclen);
5848 tswapls(&de->d_ino);
5849 tswapls(&de->d_off);
5850 de = (struct linux_dirent *)((char *)de + reclen);
5851 len -= reclen;
5852 }
5853 }
5854 unlock_user(dirp, arg2, ret);
5855 }
5856 #endif
5857 break;
5858 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
5859 case TARGET_NR_getdents64:
5860 {
5861 struct linux_dirent64 *dirp;
5862 abi_long count = arg3;
5863 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5864 goto efault;
5865 ret = get_errno(sys_getdents64(arg1, dirp, count));
5866 if (!is_error(ret)) {
5867 struct linux_dirent64 *de;
5868 int len = ret;
5869 int reclen;
5870 de = dirp;
5871 while (len > 0) {
5872 reclen = de->d_reclen;
5873 if (reclen > len)
5874 break;
5875 de->d_reclen = tswap16(reclen);
5876 tswap64s((uint64_t *)&de->d_ino);
5877 tswap64s((uint64_t *)&de->d_off);
5878 de = (struct linux_dirent64 *)((char *)de + reclen);
5879 len -= reclen;
5880 }
5881 }
5882 unlock_user(dirp, arg2, ret);
5883 }
5884 break;
5885 #endif /* TARGET_NR_getdents64 */
5886 #ifdef TARGET_NR__newselect
5887 case TARGET_NR__newselect:
5888 ret = do_select(arg1, arg2, arg3, arg4, arg5);
5889 break;
5890 #endif
5891 #ifdef TARGET_NR_poll
5892 case TARGET_NR_poll:
5893 {
5894 struct target_pollfd *target_pfd;
5895 unsigned int nfds = arg2;
5896 int timeout = arg3;
5897 struct pollfd *pfd;
5898 unsigned int i;
5899
5900 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5901 if (!target_pfd)
5902 goto efault;
5903 pfd = alloca(sizeof(struct pollfd) * nfds);
5904 for(i = 0; i < nfds; i++) {
5905 pfd[i].fd = tswap32(target_pfd[i].fd);
5906 pfd[i].events = tswap16(target_pfd[i].events);
5907 }
5908 ret = get_errno(poll(pfd, nfds, timeout));
5909 if (!is_error(ret)) {
5910 for(i = 0; i < nfds; i++) {
5911 target_pfd[i].revents = tswap16(pfd[i].revents);
5912 }
5913 ret += nfds * (sizeof(struct target_pollfd)
5914 - sizeof(struct pollfd));
5915 }
5916 unlock_user(target_pfd, arg1, ret);
5917 }
5918 break;
5919 #endif
5920 case TARGET_NR_flock:
5921 /* NOTE: the flock constant seems to be the same for every
5922 Linux platform */
5923 ret = get_errno(flock(arg1, arg2));
5924 break;
5925 case TARGET_NR_readv:
5926 {
5927 int count = arg3;
5928 struct iovec *vec;
5929
5930 vec = alloca(count * sizeof(struct iovec));
5931 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
5932 goto efault;
5933 ret = get_errno(readv(arg1, vec, count));
5934 unlock_iovec(vec, arg2, count, 1);
5935 }
5936 break;
5937 case TARGET_NR_writev:
5938 {
5939 int count = arg3;
5940 struct iovec *vec;
5941
5942 vec = alloca(count * sizeof(struct iovec));
5943 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
5944 goto efault;
5945 ret = get_errno(writev(arg1, vec, count));
5946 unlock_iovec(vec, arg2, count, 0);
5947 }
5948 break;
5949 case TARGET_NR_getsid:
5950 ret = get_errno(getsid(arg1));
5951 break;
5952 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
5953 case TARGET_NR_fdatasync:
5954 ret = get_errno(fdatasync(arg1));
5955 break;
5956 #endif
5957 case TARGET_NR__sysctl:
5958 /* We don't implement this, but ENOTDIR is always a safe
5959 return value. */
5960 ret = -TARGET_ENOTDIR;
5961 break;
5962 case TARGET_NR_sched_setparam:
5963 {
5964 struct sched_param *target_schp;
5965 struct sched_param schp;
5966
5967 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5968 goto efault;
5969 schp.sched_priority = tswap32(target_schp->sched_priority);
5970 unlock_user_struct(target_schp, arg2, 0);
5971 ret = get_errno(sched_setparam(arg1, &schp));
5972 }
5973 break;
5974 case TARGET_NR_sched_getparam:
5975 {
5976 struct sched_param *target_schp;
5977 struct sched_param schp;
5978 ret = get_errno(sched_getparam(arg1, &schp));
5979 if (!is_error(ret)) {
5980 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
5981 goto efault;
5982 target_schp->sched_priority = tswap32(schp.sched_priority);
5983 unlock_user_struct(target_schp, arg2, 1);
5984 }
5985 }
5986 break;
5987 case TARGET_NR_sched_setscheduler:
5988 {
5989 struct sched_param *target_schp;
5990 struct sched_param schp;
5991 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
5992 goto efault;
5993 schp.sched_priority = tswap32(target_schp->sched_priority);
5994 unlock_user_struct(target_schp, arg3, 0);
5995 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
5996 }
5997 break;
5998 case TARGET_NR_sched_getscheduler:
5999 ret = get_errno(sched_getscheduler(arg1));
6000 break;
6001 case TARGET_NR_sched_yield:
6002 ret = get_errno(sched_yield());
6003 break;
6004 case TARGET_NR_sched_get_priority_max:
6005 ret = get_errno(sched_get_priority_max(arg1));
6006 break;
6007 case TARGET_NR_sched_get_priority_min:
6008 ret = get_errno(sched_get_priority_min(arg1));
6009 break;
6010 case TARGET_NR_sched_rr_get_interval:
6011 {
6012 struct timespec ts;
6013 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6014 if (!is_error(ret)) {
6015 host_to_target_timespec(arg2, &ts);
6016 }
6017 }
6018 break;
6019 case TARGET_NR_nanosleep:
6020 {
6021 struct timespec req, rem;
6022 target_to_host_timespec(&req, arg1);
6023 ret = get_errno(nanosleep(&req, &rem));
6024 if (is_error(ret) && arg2) {
6025 host_to_target_timespec(arg2, &rem);
6026 }
6027 }
6028 break;
6029 #ifdef TARGET_NR_query_module
6030 case TARGET_NR_query_module:
6031 goto unimplemented;
6032 #endif
6033 #ifdef TARGET_NR_nfsservctl
6034 case TARGET_NR_nfsservctl:
6035 goto unimplemented;
6036 #endif
6037 case TARGET_NR_prctl:
6038 switch (arg1)
6039 {
6040 case PR_GET_PDEATHSIG:
6041 {
6042 int deathsig;
6043 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
6044 if (!is_error(ret) && arg2
6045 && put_user_ual(deathsig, arg2))
6046 goto efault;
6047 }
6048 break;
6049 default:
6050 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6051 break;
6052 }
6053 break;
6054 #ifdef TARGET_NR_arch_prctl
6055 case TARGET_NR_arch_prctl:
6056 #if defined(TARGET_I386) && !defined(TARGET_ABI32)
6057 ret = do_arch_prctl(cpu_env, arg1, arg2);
6058 break;
6059 #else
6060 goto unimplemented;
6061 #endif
6062 #endif
6063 #ifdef TARGET_NR_pread
6064 case TARGET_NR_pread:
6065 #ifdef TARGET_ARM
6066 if (((CPUARMState *)cpu_env)->eabi)
6067 arg4 = arg5;
6068 #endif
6069 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6070 goto efault;
6071 ret = get_errno(pread(arg1, p, arg3, arg4));
6072 unlock_user(p, arg2, ret);
6073 break;
6074 case TARGET_NR_pwrite:
6075 #ifdef TARGET_ARM
6076 if (((CPUARMState *)cpu_env)->eabi)
6077 arg4 = arg5;
6078 #endif
6079 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6080 goto efault;
6081 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6082 unlock_user(p, arg2, 0);
6083 break;
6084 #endif
6085 #ifdef TARGET_NR_pread64
6086 case TARGET_NR_pread64:
6087 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6088 goto efault;
6089 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6090 unlock_user(p, arg2, ret);
6091 break;
6092 case TARGET_NR_pwrite64:
6093 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6094 goto efault;
6095 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6096 unlock_user(p, arg2, 0);
6097 break;
6098 #endif
6099 case TARGET_NR_getcwd:
6100 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6101 goto efault;
6102 ret = get_errno(sys_getcwd1(p, arg2));
6103 unlock_user(p, arg1, ret);
6104 break;
6105 case TARGET_NR_capget:
6106 goto unimplemented;
6107 case TARGET_NR_capset:
6108 goto unimplemented;
6109 case TARGET_NR_sigaltstack:
6110 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
6111 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
6112 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
6113 break;
6114 #else
6115 goto unimplemented;
6116 #endif
6117 case TARGET_NR_sendfile:
6118 goto unimplemented;
6119 #ifdef TARGET_NR_getpmsg
6120 case TARGET_NR_getpmsg:
6121 goto unimplemented;
6122 #endif
6123 #ifdef TARGET_NR_putpmsg
6124 case TARGET_NR_putpmsg:
6125 goto unimplemented;
6126 #endif
6127 #ifdef TARGET_NR_vfork
6128 case TARGET_NR_vfork:
6129 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6130 0, 0, 0, 0));
6131 break;
6132 #endif
6133 #ifdef TARGET_NR_ugetrlimit
6134 case TARGET_NR_ugetrlimit:
6135 {
6136 struct rlimit rlim;
6137 ret = get_errno(getrlimit(arg1, &rlim));
6138 if (!is_error(ret)) {
6139 struct target_rlimit *target_rlim;
6140 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6141 goto efault;
6142 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
6143 target_rlim->rlim_max = tswapl(rlim.rlim_max);
6144 unlock_user_struct(target_rlim, arg2, 1);
6145 }
6146 break;
6147 }
6148 #endif
6149 #ifdef TARGET_NR_truncate64
6150 case TARGET_NR_truncate64:
6151 if (!(p = lock_user_string(arg1)))
6152 goto efault;
6153 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6154 unlock_user(p, arg1, 0);
6155 break;
6156 #endif
6157 #ifdef TARGET_NR_ftruncate64
6158 case TARGET_NR_ftruncate64:
6159 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
6160 break;
6161 #endif
6162 #ifdef TARGET_NR_stat64
6163 case TARGET_NR_stat64:
6164 if (!(p = lock_user_string(arg1)))
6165 goto efault;
6166 ret = get_errno(stat(path(p), &st));
6167 unlock_user(p, arg1, 0);
6168 if (!is_error(ret))
6169 ret = host_to_target_stat64(cpu_env, arg2, &st);
6170 break;
6171 #endif
6172 #ifdef TARGET_NR_lstat64
6173 case TARGET_NR_lstat64:
6174 if (!(p = lock_user_string(arg1)))
6175 goto efault;
6176 ret = get_errno(lstat(path(p), &st));
6177 unlock_user(p, arg1, 0);
6178 if (!is_error(ret))
6179 ret = host_to_target_stat64(cpu_env, arg2, &st);
6180 break;
6181 #endif
6182 #ifdef TARGET_NR_fstat64
6183 case TARGET_NR_fstat64:
6184 ret = get_errno(fstat(arg1, &st));
6185 if (!is_error(ret))
6186 ret = host_to_target_stat64(cpu_env, arg2, &st);
6187 break;
6188 #endif
6189 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6190 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6191 #ifdef TARGET_NR_fstatat64
6192 case TARGET_NR_fstatat64:
6193 #endif
6194 #ifdef TARGET_NR_newfstatat
6195 case TARGET_NR_newfstatat:
6196 #endif
6197 if (!(p = lock_user_string(arg2)))
6198 goto efault;
6199 #ifdef __NR_fstatat64
6200 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
6201 #else
6202 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6203 #endif
6204 if (!is_error(ret))
6205 ret = host_to_target_stat64(cpu_env, arg3, &st);
6206 break;
6207 #endif
6208 #ifdef USE_UID16
6209 case TARGET_NR_lchown:
6210 if (!(p = lock_user_string(arg1)))
6211 goto efault;
6212 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6213 unlock_user(p, arg1, 0);
6214 break;
6215 case TARGET_NR_getuid:
6216 ret = get_errno(high2lowuid(getuid()));
6217 break;
6218 case TARGET_NR_getgid:
6219 ret = get_errno(high2lowgid(getgid()));
6220 break;
6221 case TARGET_NR_geteuid:
6222 ret = get_errno(high2lowuid(geteuid()));
6223 break;
6224 case TARGET_NR_getegid:
6225 ret = get_errno(high2lowgid(getegid()));
6226 break;
6227 case TARGET_NR_setreuid:
6228 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6229 break;
6230 case TARGET_NR_setregid:
6231 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6232 break;
6233 case TARGET_NR_getgroups:
6234 {
6235 int gidsetsize = arg1;
6236 uint16_t *target_grouplist;
6237 gid_t *grouplist;
6238 int i;
6239
6240 grouplist = alloca(gidsetsize * sizeof(gid_t));
6241 ret = get_errno(getgroups(gidsetsize, grouplist));
6242 if (gidsetsize == 0)
6243 break;
6244 if (!is_error(ret)) {
6245 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6246 if (!target_grouplist)
6247 goto efault;
6248 for(i = 0;i < ret; i++)
6249 target_grouplist[i] = tswap16(grouplist[i]);
6250 unlock_user(target_grouplist, arg2, gidsetsize * 2);
6251 }
6252 }
6253 break;
6254 case TARGET_NR_setgroups:
6255 {
6256 int gidsetsize = arg1;
6257 uint16_t *target_grouplist;
6258 gid_t *grouplist;
6259 int i;
6260
6261 grouplist = alloca(gidsetsize * sizeof(gid_t));
6262 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6263 if (!target_grouplist) {
6264 ret = -TARGET_EFAULT;
6265 goto fail;
6266 }
6267 for(i = 0;i < gidsetsize; i++)
6268 grouplist[i] = tswap16(target_grouplist[i]);
6269 unlock_user(target_grouplist, arg2, 0);
6270 ret = get_errno(setgroups(gidsetsize, grouplist));
6271 }
6272 break;
6273 case TARGET_NR_fchown:
6274 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6275 break;
6276 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6277 case TARGET_NR_fchownat:
6278 if (!(p = lock_user_string(arg2)))
6279 goto efault;
6280 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6281 unlock_user(p, arg2, 0);
6282 break;
6283 #endif
6284 #ifdef TARGET_NR_setresuid
6285 case TARGET_NR_setresuid:
6286 ret = get_errno(setresuid(low2highuid(arg1),
6287 low2highuid(arg2),
6288 low2highuid(arg3)));
6289 break;
6290 #endif
6291 #ifdef TARGET_NR_getresuid
6292 case TARGET_NR_getresuid:
6293 {
6294 uid_t ruid, euid, suid;
6295 ret = get_errno(getresuid(&ruid, &euid, &suid));
6296 if (!is_error(ret)) {
6297 if (put_user_u16(high2lowuid(ruid), arg1)
6298 || put_user_u16(high2lowuid(euid), arg2)
6299 || put_user_u16(high2lowuid(suid), arg3))
6300 goto efault;
6301 }
6302 }
6303 break;
6304 #endif
6305 #ifdef TARGET_NR_getresgid
6306 case TARGET_NR_setresgid:
6307 ret = get_errno(setresgid(low2highgid(arg1),
6308 low2highgid(arg2),
6309 low2highgid(arg3)));
6310 break;
6311 #endif
6312 #ifdef TARGET_NR_getresgid
6313 case TARGET_NR_getresgid:
6314 {
6315 gid_t rgid, egid, sgid;
6316 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6317 if (!is_error(ret)) {
6318 if (put_user_u16(high2lowgid(rgid), arg1)
6319 || put_user_u16(high2lowgid(egid), arg2)
6320 || put_user_u16(high2lowgid(sgid), arg3))
6321 goto efault;
6322 }
6323 }
6324 break;
6325 #endif
6326 case TARGET_NR_chown:
6327 if (!(p = lock_user_string(arg1)))
6328 goto efault;
6329 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6330 unlock_user(p, arg1, 0);
6331 break;
6332 case TARGET_NR_setuid:
6333 ret = get_errno(setuid(low2highuid(arg1)));
6334 break;
6335 case TARGET_NR_setgid:
6336 ret = get_errno(setgid(low2highgid(arg1)));
6337 break;
6338 case TARGET_NR_setfsuid:
6339 ret = get_errno(setfsuid(arg1));
6340 break;
6341 case TARGET_NR_setfsgid:
6342 ret = get_errno(setfsgid(arg1));
6343 break;
6344 #endif /* USE_UID16 */
6345
6346 #ifdef TARGET_NR_lchown32
6347 case TARGET_NR_lchown32:
6348 if (!(p = lock_user_string(arg1)))
6349 goto efault;
6350 ret = get_errno(lchown(p, arg2, arg3));
6351 unlock_user(p, arg1, 0);
6352 break;
6353 #endif
6354 #ifdef TARGET_NR_getuid32
6355 case TARGET_NR_getuid32:
6356 ret = get_errno(getuid());
6357 break;
6358 #endif
6359
6360 #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6361 /* Alpha specific */
6362 case TARGET_NR_getxuid:
6363 {
6364 uid_t euid;
6365 euid=geteuid();
6366 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6367 }
6368 ret = get_errno(getuid());
6369 break;
6370 #endif
6371 #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6372 /* Alpha specific */
6373 case TARGET_NR_getxgid:
6374 {
6375 uid_t egid;
6376 egid=getegid();
6377 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6378 }
6379 ret = get_errno(getgid());
6380 break;
6381 #endif
6382
6383 #ifdef TARGET_NR_getgid32
6384 case TARGET_NR_getgid32:
6385 ret = get_errno(getgid());
6386 break;
6387 #endif
6388 #ifdef TARGET_NR_geteuid32
6389 case TARGET_NR_geteuid32:
6390 ret = get_errno(geteuid());
6391 break;
6392 #endif
6393 #ifdef TARGET_NR_getegid32
6394 case TARGET_NR_getegid32:
6395 ret = get_errno(getegid());
6396 break;
6397 #endif
6398 #ifdef TARGET_NR_setreuid32
6399 case TARGET_NR_setreuid32:
6400 ret = get_errno(setreuid(arg1, arg2));
6401 break;
6402 #endif
6403 #ifdef TARGET_NR_setregid32
6404 case TARGET_NR_setregid32:
6405 ret = get_errno(setregid(arg1, arg2));
6406 break;
6407 #endif
6408 #ifdef TARGET_NR_getgroups32
6409 case TARGET_NR_getgroups32:
6410 {
6411 int gidsetsize = arg1;
6412 uint32_t *target_grouplist;
6413 gid_t *grouplist;
6414 int i;
6415
6416 grouplist = alloca(gidsetsize * sizeof(gid_t));
6417 ret = get_errno(getgroups(gidsetsize, grouplist));
6418 if (gidsetsize == 0)
6419 break;
6420 if (!is_error(ret)) {
6421 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6422 if (!target_grouplist) {
6423 ret = -TARGET_EFAULT;
6424 goto fail;
6425 }
6426 for(i = 0;i < ret; i++)
6427 target_grouplist[i] = tswap32(grouplist[i]);
6428 unlock_user(target_grouplist, arg2, gidsetsize * 4);
6429 }
6430 }
6431 break;
6432 #endif
6433 #ifdef TARGET_NR_setgroups32
6434 case TARGET_NR_setgroups32:
6435 {
6436 int gidsetsize = arg1;
6437 uint32_t *target_grouplist;
6438 gid_t *grouplist;
6439 int i;
6440
6441 grouplist = alloca(gidsetsize * sizeof(gid_t));
6442 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6443 if (!target_grouplist) {
6444 ret = -TARGET_EFAULT;
6445 goto fail;
6446 }
6447 for(i = 0;i < gidsetsize; i++)
6448 grouplist[i] = tswap32(target_grouplist[i]);
6449 unlock_user(target_grouplist, arg2, 0);
6450 ret = get_errno(setgroups(gidsetsize, grouplist));
6451 }
6452 break;
6453 #endif
6454 #ifdef TARGET_NR_fchown32
6455 case TARGET_NR_fchown32:
6456 ret = get_errno(fchown(arg1, arg2, arg3));
6457 break;
6458 #endif
6459 #ifdef TARGET_NR_setresuid32
6460 case TARGET_NR_setresuid32:
6461 ret = get_errno(setresuid(arg1, arg2, arg3));
6462 break;
6463 #endif
6464 #ifdef TARGET_NR_getresuid32
6465 case TARGET_NR_getresuid32:
6466 {
6467 uid_t ruid, euid, suid;
6468 ret = get_errno(getresuid(&ruid, &euid, &suid));
6469 if (!is_error(ret)) {
6470 if (put_user_u32(ruid, arg1)
6471 || put_user_u32(euid, arg2)
6472 || put_user_u32(suid, arg3))
6473 goto efault;
6474 }
6475 }
6476 break;
6477 #endif
6478 #ifdef TARGET_NR_setresgid32
6479 case TARGET_NR_setresgid32:
6480 ret = get_errno(setresgid(arg1, arg2, arg3));
6481 break;
6482 #endif
6483 #ifdef TARGET_NR_getresgid32
6484 case TARGET_NR_getresgid32:
6485 {
6486 gid_t rgid, egid, sgid;
6487 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6488 if (!is_error(ret)) {
6489 if (put_user_u32(rgid, arg1)
6490 || put_user_u32(egid, arg2)
6491 || put_user_u32(sgid, arg3))
6492 goto efault;
6493 }
6494 }
6495 break;
6496 #endif
6497 #ifdef TARGET_NR_chown32
6498 case TARGET_NR_chown32:
6499 if (!(p = lock_user_string(arg1)))
6500 goto efault;
6501 ret = get_errno(chown(p, arg2, arg3));
6502 unlock_user(p, arg1, 0);
6503 break;
6504 #endif
6505 #ifdef TARGET_NR_setuid32
6506 case TARGET_NR_setuid32:
6507 ret = get_errno(setuid(arg1));
6508 break;
6509 #endif
6510 #ifdef TARGET_NR_setgid32
6511 case TARGET_NR_setgid32:
6512 ret = get_errno(setgid(arg1));
6513 break;
6514 #endif
6515 #ifdef TARGET_NR_setfsuid32
6516 case TARGET_NR_setfsuid32:
6517 ret = get_errno(setfsuid(arg1));
6518 break;
6519 #endif
6520 #ifdef TARGET_NR_setfsgid32
6521 case TARGET_NR_setfsgid32:
6522 ret = get_errno(setfsgid(arg1));
6523 break;
6524 #endif
6525
6526 case TARGET_NR_pivot_root:
6527 goto unimplemented;
6528 #ifdef TARGET_NR_mincore
6529 case TARGET_NR_mincore:
6530 {
6531 void *a;
6532 ret = -TARGET_EFAULT;
6533 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6534 goto efault;
6535 if (!(p = lock_user_string(arg3)))
6536 goto mincore_fail;
6537 ret = get_errno(mincore(a, arg2, p));
6538 unlock_user(p, arg3, ret);
6539 mincore_fail:
6540 unlock_user(a, arg1, 0);
6541 }
6542 break;
6543 #endif
6544 #ifdef TARGET_NR_arm_fadvise64_64
6545 case TARGET_NR_arm_fadvise64_64:
6546 {
6547 /*
6548 * arm_fadvise64_64 looks like fadvise64_64 but
6549 * with different argument order
6550 */
6551 abi_long temp;
6552 temp = arg3;
6553 arg3 = arg4;
6554 arg4 = temp;
6555 }
6556 #endif
6557 #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
6558 #ifdef TARGET_NR_fadvise64_64
6559 case TARGET_NR_fadvise64_64:
6560 #endif
6561 /* This is a hint, so ignoring and returning success is ok. */
6562 ret = get_errno(0);
6563 break;
6564 #endif
6565 #ifdef TARGET_NR_madvise
6566 case TARGET_NR_madvise:
6567 /* A straight passthrough may not be safe because qemu sometimes
6568 turns private flie-backed mappings into anonymous mappings.
6569 This will break MADV_DONTNEED.
6570 This is a hint, so ignoring and returning success is ok. */
6571 ret = get_errno(0);
6572 break;
6573 #endif
6574 #if TARGET_ABI_BITS == 32
6575 case TARGET_NR_fcntl64:
6576 {
6577 int cmd;
6578 struct flock64 fl;
6579 struct target_flock64 *target_fl;
6580 #ifdef TARGET_ARM
6581 struct target_eabi_flock64 *target_efl;
6582 #endif
6583
6584 cmd = target_to_host_fcntl_cmd(arg2);
6585 if (cmd == -TARGET_EINVAL)
6586 return cmd;
6587
6588 switch(arg2) {
6589 case TARGET_F_GETLK64:
6590 #ifdef TARGET_ARM
6591 if (((CPUARMState *)cpu_env)->eabi) {
6592 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6593 goto efault;
6594 fl.l_type = tswap16(target_efl->l_type);
6595 fl.l_whence = tswap16(target_efl->l_whence);
6596 fl.l_start = tswap64(target_efl->l_start);
6597 fl.l_len = tswap64(target_efl->l_len);
6598 fl.l_pid = tswapl(target_efl->l_pid);
6599 unlock_user_struct(target_efl, arg3, 0);
6600 } else
6601 #endif
6602 {
6603 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6604 goto efault;
6605 fl.l_type = tswap16(target_fl->l_type);
6606 fl.l_whence = tswap16(target_fl->l_whence);
6607 fl.l_start = tswap64(target_fl->l_start);
6608 fl.l_len = tswap64(target_fl->l_len);
6609 fl.l_pid = tswapl(target_fl->l_pid);
6610 unlock_user_struct(target_fl, arg3, 0);
6611 }
6612 ret = get_errno(fcntl(arg1, cmd, &fl));
6613 if (ret == 0) {
6614 #ifdef TARGET_ARM
6615 if (((CPUARMState *)cpu_env)->eabi) {
6616 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6617 goto efault;
6618 target_efl->l_type = tswap16(fl.l_type);
6619 target_efl->l_whence = tswap16(fl.l_whence);
6620 target_efl->l_start = tswap64(fl.l_start);
6621 target_efl->l_len = tswap64(fl.l_len);
6622 target_efl->l_pid = tswapl(fl.l_pid);
6623 unlock_user_struct(target_efl, arg3, 1);
6624 } else
6625 #endif
6626 {
6627 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6628 goto efault;
6629 target_fl->l_type = tswap16(fl.l_type);
6630 target_fl->l_whence = tswap16(fl.l_whence);
6631 target_fl->l_start = tswap64(fl.l_start);
6632 target_fl->l_len = tswap64(fl.l_len);
6633 target_fl->l_pid = tswapl(fl.l_pid);
6634 unlock_user_struct(target_fl, arg3, 1);
6635 }
6636 }
6637 break;
6638
6639 case TARGET_F_SETLK64:
6640 case TARGET_F_SETLKW64:
6641 #ifdef TARGET_ARM
6642 if (((CPUARMState *)cpu_env)->eabi) {
6643 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6644 goto efault;
6645 fl.l_type = tswap16(target_efl->l_type);
6646 fl.l_whence = tswap16(target_efl->l_whence);
6647 fl.l_start = tswap64(target_efl->l_start);
6648 fl.l_len = tswap64(target_efl->l_len);
6649 fl.l_pid = tswapl(target_efl->l_pid);
6650 unlock_user_struct(target_efl, arg3, 0);
6651 } else
6652 #endif
6653 {
6654 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6655 goto efault;
6656 fl.l_type = tswap16(target_fl->l_type);
6657 fl.l_whence = tswap16(target_fl->l_whence);
6658 fl.l_start = tswap64(target_fl->l_start);
6659 fl.l_len = tswap64(target_fl->l_len);
6660 fl.l_pid = tswapl(target_fl->l_pid);
6661 unlock_user_struct(target_fl, arg3, 0);
6662 }
6663 ret = get_errno(fcntl(arg1, cmd, &fl));
6664 break;
6665 default:
6666 ret = do_fcntl(arg1, arg2, arg3);
6667 break;
6668 }
6669 break;
6670 }
6671 #endif
6672 #ifdef TARGET_NR_cacheflush
6673 case TARGET_NR_cacheflush:
6674 /* self-modifying code is handled automatically, so nothing needed */
6675 ret = 0;
6676 break;
6677 #endif
6678 #ifdef TARGET_NR_security
6679 case TARGET_NR_security:
6680 goto unimplemented;
6681 #endif
6682 #ifdef TARGET_NR_getpagesize
6683 case TARGET_NR_getpagesize:
6684 ret = TARGET_PAGE_SIZE;
6685 break;
6686 #endif
6687 case TARGET_NR_gettid:
6688 ret = get_errno(gettid());
6689 break;
6690 #ifdef TARGET_NR_readahead
6691 case TARGET_NR_readahead:
6692 #if TARGET_ABI_BITS == 32
6693 #ifdef TARGET_ARM
6694 if (((CPUARMState *)cpu_env)->eabi)
6695 {
6696 arg2 = arg3;
6697 arg3 = arg4;
6698 arg4 = arg5;
6699 }
6700 #endif
6701 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
6702 #else
6703 ret = get_errno(readahead(arg1, arg2, arg3));
6704 #endif
6705 break;
6706 #endif
6707 #ifdef TARGET_NR_setxattr
6708 case TARGET_NR_setxattr:
6709 case TARGET_NR_lsetxattr:
6710 case TARGET_NR_fsetxattr:
6711 case TARGET_NR_getxattr:
6712 case TARGET_NR_lgetxattr:
6713 case TARGET_NR_fgetxattr:
6714 case TARGET_NR_listxattr:
6715 case TARGET_NR_llistxattr:
6716 case TARGET_NR_flistxattr:
6717 case TARGET_NR_removexattr:
6718 case TARGET_NR_lremovexattr:
6719 case TARGET_NR_fremovexattr:
6720 ret = -TARGET_EOPNOTSUPP;
6721 break;
6722 #endif
6723 #ifdef TARGET_NR_set_thread_area
6724 case TARGET_NR_set_thread_area:
6725 #if defined(TARGET_MIPS)
6726 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
6727 ret = 0;
6728 break;
6729 #elif defined(TARGET_CRIS)
6730 if (arg1 & 0xff)
6731 ret = -TARGET_EINVAL;
6732 else {
6733 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
6734 ret = 0;
6735 }
6736 break;
6737 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
6738 ret = do_set_thread_area(cpu_env, arg1);
6739 break;
6740 #else
6741 goto unimplemented_nowarn;
6742 #endif
6743 #endif
6744 #ifdef TARGET_NR_get_thread_area
6745 case TARGET_NR_get_thread_area:
6746 #if defined(TARGET_I386) && defined(TARGET_ABI32)
6747 ret = do_get_thread_area(cpu_env, arg1);
6748 #else
6749 goto unimplemented_nowarn;
6750 #endif
6751 #endif
6752 #ifdef TARGET_NR_getdomainname
6753 case TARGET_NR_getdomainname:
6754 goto unimplemented_nowarn;
6755 #endif
6756
6757 #ifdef TARGET_NR_clock_gettime
6758 case TARGET_NR_clock_gettime:
6759 {
6760 struct timespec ts;
6761 ret = get_errno(clock_gettime(arg1, &ts));
6762 if (!is_error(ret)) {
6763 host_to_target_timespec(arg2, &ts);
6764 }
6765 break;
6766 }
6767 #endif
6768 #ifdef TARGET_NR_clock_getres
6769 case TARGET_NR_clock_getres:
6770 {
6771 struct timespec ts;
6772 ret = get_errno(clock_getres(arg1, &ts));
6773 if (!is_error(ret)) {
6774 host_to_target_timespec(arg2, &ts);
6775 }
6776 break;
6777 }
6778 #endif
6779 #ifdef TARGET_NR_clock_nanosleep
6780 case TARGET_NR_clock_nanosleep:
6781 {
6782 struct timespec ts;
6783 target_to_host_timespec(&ts, arg3);
6784 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
6785 if (arg4)
6786 host_to_target_timespec(arg4, &ts);
6787 break;
6788 }
6789 #endif
6790
6791 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6792 case TARGET_NR_set_tid_address:
6793 ret = get_errno(set_tid_address((int *)g2h(arg1)));
6794 break;
6795 #endif
6796
6797 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
6798 case TARGET_NR_tkill:
6799 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
6800 break;
6801 #endif
6802
6803 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
6804 case TARGET_NR_tgkill:
6805 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
6806 target_to_host_signal(arg3)));
6807 break;
6808 #endif
6809
6810 #ifdef TARGET_NR_set_robust_list
6811 case TARGET_NR_set_robust_list:
6812 goto unimplemented_nowarn;
6813 #endif
6814
6815 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6816 case TARGET_NR_utimensat:
6817 {
6818 struct timespec *tsp, ts[2];
6819 if (!arg3) {
6820 tsp = NULL;
6821 } else {
6822 target_to_host_timespec(ts, arg3);
6823 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6824 tsp = ts;
6825 }
6826 if (!arg2)
6827 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
6828 else {
6829 if (!(p = lock_user_string(arg2))) {
6830 ret = -TARGET_EFAULT;
6831 goto fail;
6832 }
6833 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
6834 unlock_user(p, arg2, 0);
6835 }
6836 }
6837 break;
6838 #endif
6839 #if defined(CONFIG_USE_NPTL)
6840 case TARGET_NR_futex:
6841 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
6842 break;
6843 #endif
6844 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
6845 case TARGET_NR_inotify_init:
6846 ret = get_errno(sys_inotify_init());
6847 break;
6848 #endif
6849 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
6850 case TARGET_NR_inotify_add_watch:
6851 p = lock_user_string(arg2);
6852 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
6853 unlock_user(p, arg2, 0);
6854 break;
6855 #endif
6856 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
6857 case TARGET_NR_inotify_rm_watch:
6858 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
6859 break;
6860 #endif
6861
6862 #ifdef TARGET_NR_mq_open
6863 case TARGET_NR_mq_open:
6864 {
6865 struct mq_attr posix_mq_attr;
6866
6867 p = lock_user_string(arg1 - 1);
6868 if (arg4 != 0)
6869 copy_from_user_mq_attr (&posix_mq_attr, arg4);
6870 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
6871 unlock_user (p, arg1, 0);
6872 }
6873 break;
6874
6875 case TARGET_NR_mq_unlink:
6876 p = lock_user_string(arg1 - 1);
6877 ret = get_errno(mq_unlink(p));
6878 unlock_user (p, arg1, 0);
6879 break;
6880
6881 case TARGET_NR_mq_timedsend:
6882 {
6883 struct timespec ts;
6884
6885 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6886 if (arg5 != 0) {
6887 target_to_host_timespec(&ts, arg5);
6888 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
6889 host_to_target_timespec(arg5, &ts);
6890 }
6891 else
6892 ret = get_errno(mq_send(arg1, p, arg3, arg4));
6893 unlock_user (p, arg2, arg3);
6894 }
6895 break;
6896
6897 case TARGET_NR_mq_timedreceive:
6898 {
6899 struct timespec ts;
6900 unsigned int prio;
6901
6902 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6903 if (arg5 != 0) {
6904 target_to_host_timespec(&ts, arg5);
6905 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
6906 host_to_target_timespec(arg5, &ts);
6907 }
6908 else
6909 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
6910 unlock_user (p, arg2, arg3);
6911 if (arg4 != 0)
6912 put_user_u32(prio, arg4);
6913 }
6914 break;
6915
6916 /* Not implemented for now... */
6917 /* case TARGET_NR_mq_notify: */
6918 /* break; */
6919
6920 case TARGET_NR_mq_getsetattr:
6921 {
6922 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
6923 ret = 0;
6924 if (arg3 != 0) {
6925 ret = mq_getattr(arg1, &posix_mq_attr_out);
6926 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
6927 }
6928 if (arg2 != 0) {
6929 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
6930 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
6931 }
6932
6933 }
6934 break;
6935 #endif
6936
6937 #ifdef CONFIG_SPLICE
6938 #ifdef TARGET_NR_tee
6939 case TARGET_NR_tee:
6940 {
6941 ret = get_errno(tee(arg1,arg2,arg3,arg4));
6942 }
6943 break;
6944 #endif
6945 #ifdef TARGET_NR_splice
6946 case TARGET_NR_splice:
6947 {
6948 loff_t loff_in, loff_out;
6949 loff_t *ploff_in = NULL, *ploff_out = NULL;
6950 if(arg2) {
6951 get_user_u64(loff_in, arg2);
6952 ploff_in = &loff_in;
6953 }
6954 if(arg4) {
6955 get_user_u64(loff_out, arg2);
6956 ploff_out = &loff_out;
6957 }
6958 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
6959 }
6960 break;
6961 #endif
6962 #ifdef TARGET_NR_vmsplice
6963 case TARGET_NR_vmsplice:
6964 {
6965 int count = arg3;
6966 struct iovec *vec;
6967
6968 vec = alloca(count * sizeof(struct iovec));
6969 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6970 goto efault;
6971 ret = get_errno(vmsplice(arg1, vec, count, arg4));
6972 unlock_iovec(vec, arg2, count, 0);
6973 }
6974 break;
6975 #endif
6976 #endif /* CONFIG_SPLICE */
6977 default:
6978 unimplemented:
6979 gemu_log("qemu: Unsupported syscall: %d\n", num);
6980 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
6981 unimplemented_nowarn:
6982 #endif
6983 ret = -TARGET_ENOSYS;
6984 break;
6985 }
6986 fail:
6987 #ifdef DEBUG
6988 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
6989 #endif
6990 if(do_strace)
6991 print_syscall_ret(num, ret);
6992 return ret;
6993 efault:
6994 ret = -TARGET_EFAULT;
6995 goto fail;
6996 }
QEmu