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configure xen in a single place
[qemu-kvm/fedora.git] / linux-user / syscall.c
blob8b0a5fa3f8785ca74f8757ff60d889e79f94a918
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 HAVE_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(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(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(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(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(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(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(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(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
4030 /* ??? We assume FUTEX_* constants are the same on both host
4031 and target. */
4032 #ifdef FUTEX_CMD_MASK
4033 switch ((op&FUTEX_CMD_MASK)) {
4034 #else
4035 switch (op) {
4036 #endif
4037 case FUTEX_WAIT:
4038 if (timeout) {
4039 pts = &ts;
4040 target_to_host_timespec(pts, timeout);
4041 } else {
4042 pts = NULL;
4043 }
4044 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
4045 pts, NULL, 0));
4046 case FUTEX_WAKE:
4047 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
4048 case FUTEX_WAKE_OP:
4049 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, g2h(uaddr2), val3 ));
4050 case FUTEX_FD:
4051 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
4052 case FUTEX_REQUEUE:
4053 return get_errno(sys_futex(g2h(uaddr), op, val,
4054 NULL, g2h(uaddr2), 0));
4055 case FUTEX_CMP_REQUEUE:
4056 return get_errno(sys_futex(g2h(uaddr), op, val,
4057 NULL, g2h(uaddr2), tswap32(val3)));
4058 default:
4059 return -TARGET_ENOSYS;
4060 }
4061 }
4062 #endif
4063
4064 /* Map host to target signal numbers for the wait family of syscalls.
4065 Assume all other status bits are the same. */
4066 static int host_to_target_waitstatus(int status)
4067 {
4068 if (WIFSIGNALED(status)) {
4069 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4070 }
4071 if (WIFSTOPPED(status)) {
4072 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4073 | (status & 0xff);
4074 }
4075 return status;
4076 }
4077
4078 int get_osversion(void)
4079 {
4080 static int osversion;
4081 struct new_utsname buf;
4082 const char *s;
4083 int i, n, tmp;
4084 if (osversion)
4085 return osversion;
4086 if (qemu_uname_release && *qemu_uname_release) {
4087 s = qemu_uname_release;
4088 } else {
4089 if (sys_uname(&buf))
4090 return 0;
4091 s = buf.release;
4092 }
4093 tmp = 0;
4094 for (i = 0; i < 3; i++) {
4095 n = 0;
4096 while (*s >= '0' && *s <= '9') {
4097 n *= 10;
4098 n += *s - '0';
4099 s++;
4100 }
4101 tmp = (tmp << 8) + n;
4102 if (*s == '.')
4103 s++;
4104 }
4105 osversion = tmp;
4106 return osversion;
4107 }
4108
4109 /* do_syscall() should always have a single exit point at the end so
4110 that actions, such as logging of syscall results, can be performed.
4111 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
4112 abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4113 abi_long arg2, abi_long arg3, abi_long arg4,
4114 abi_long arg5, abi_long arg6)
4115 {
4116 abi_long ret;
4117 struct stat st;
4118 struct statfs stfs;
4119 void *p;
4120
4121 #ifdef DEBUG
4122 gemu_log("syscall %d", num);
4123 #endif
4124 if(do_strace)
4125 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4126
4127 switch(num) {
4128 case TARGET_NR_exit:
4129 #ifdef USE_NPTL
4130 /* In old applications this may be used to implement _exit(2).
4131 However in threaded applictions it is used for thread termination,
4132 and _exit_group is used for application termination.
4133 Do thread termination if we have more then one thread. */
4134 /* FIXME: This probably breaks if a signal arrives. We should probably
4135 be disabling signals. */
4136 if (first_cpu->next_cpu) {
4137 TaskState *ts;
4138 CPUState **lastp;
4139 CPUState *p;
4140
4141 cpu_list_lock();
4142 lastp = &first_cpu;
4143 p = first_cpu;
4144 while (p && p != (CPUState *)cpu_env) {
4145 lastp = &p->next_cpu;
4146 p = p->next_cpu;
4147 }
4148 /* If we didn't find the CPU for this thread then something is
4149 horribly wrong. */
4150 if (!p)
4151 abort();
4152 /* Remove the CPU from the list. */
4153 *lastp = p->next_cpu;
4154 cpu_list_unlock();
4155 ts = ((CPUState *)cpu_env)->opaque;
4156 if (ts->child_tidptr) {
4157 put_user_u32(0, ts->child_tidptr);
4158 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4159 NULL, NULL, 0);
4160 }
4161 /* TODO: Free CPU state. */
4162 pthread_exit(NULL);
4163 }
4164 #endif
4165 #ifdef HAVE_GPROF
4166 _mcleanup();
4167 #endif
4168 gdb_exit(cpu_env, arg1);
4169 _exit(arg1);
4170 ret = 0; /* avoid warning */
4171 break;
4172 case TARGET_NR_read:
4173 if (arg3 == 0)
4174 ret = 0;
4175 else {
4176 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4177 goto efault;
4178 ret = get_errno(read(arg1, p, arg3));
4179 unlock_user(p, arg2, ret);
4180 }
4181 break;
4182 case TARGET_NR_write:
4183 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4184 goto efault;
4185 ret = get_errno(write(arg1, p, arg3));
4186 unlock_user(p, arg2, 0);
4187 break;
4188 case TARGET_NR_open:
4189 if (!(p = lock_user_string(arg1)))
4190 goto efault;
4191 ret = get_errno(open(path(p),
4192 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4193 arg3));
4194 unlock_user(p, arg1, 0);
4195 break;
4196 #if defined(TARGET_NR_openat) && defined(__NR_openat)
4197 case TARGET_NR_openat:
4198 if (!(p = lock_user_string(arg2)))
4199 goto efault;
4200 ret = get_errno(sys_openat(arg1,
4201 path(p),
4202 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4203 arg4));
4204 unlock_user(p, arg2, 0);
4205 break;
4206 #endif
4207 case TARGET_NR_close:
4208 ret = get_errno(close(arg1));
4209 break;
4210 case TARGET_NR_brk:
4211 ret = do_brk(arg1);
4212 break;
4213 case TARGET_NR_fork:
4214 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
4215 break;
4216 #ifdef TARGET_NR_waitpid
4217 case TARGET_NR_waitpid:
4218 {
4219 int status;
4220 ret = get_errno(waitpid(arg1, &status, arg3));
4221 if (!is_error(ret) && arg2
4222 && put_user_s32(host_to_target_waitstatus(status), arg2))
4223 goto efault;
4224 }
4225 break;
4226 #endif
4227 #ifdef TARGET_NR_waitid
4228 case TARGET_NR_waitid:
4229 {
4230 siginfo_t info;
4231 info.si_pid = 0;
4232 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4233 if (!is_error(ret) && arg3 && info.si_pid != 0) {
4234 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
4235 goto efault;
4236 host_to_target_siginfo(p, &info);
4237 unlock_user(p, arg3, sizeof(target_siginfo_t));
4238 }
4239 }
4240 break;
4241 #endif
4242 #ifdef TARGET_NR_creat /* not on alpha */
4243 case TARGET_NR_creat:
4244 if (!(p = lock_user_string(arg1)))
4245 goto efault;
4246 ret = get_errno(creat(p, arg2));
4247 unlock_user(p, arg1, 0);
4248 break;
4249 #endif
4250 case TARGET_NR_link:
4251 {
4252 void * p2;
4253 p = lock_user_string(arg1);
4254 p2 = lock_user_string(arg2);
4255 if (!p || !p2)
4256 ret = -TARGET_EFAULT;
4257 else
4258 ret = get_errno(link(p, p2));
4259 unlock_user(p2, arg2, 0);
4260 unlock_user(p, arg1, 0);
4261 }
4262 break;
4263 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4264 case TARGET_NR_linkat:
4265 {
4266 void * p2 = NULL;
4267 if (!arg2 || !arg4)
4268 goto efault;
4269 p = lock_user_string(arg2);
4270 p2 = lock_user_string(arg4);
4271 if (!p || !p2)
4272 ret = -TARGET_EFAULT;
4273 else
4274 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
4275 unlock_user(p, arg2, 0);
4276 unlock_user(p2, arg4, 0);
4277 }
4278 break;
4279 #endif
4280 case TARGET_NR_unlink:
4281 if (!(p = lock_user_string(arg1)))
4282 goto efault;
4283 ret = get_errno(unlink(p));
4284 unlock_user(p, arg1, 0);
4285 break;
4286 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4287 case TARGET_NR_unlinkat:
4288 if (!(p = lock_user_string(arg2)))
4289 goto efault;
4290 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4291 unlock_user(p, arg2, 0);
4292 break;
4293 #endif
4294 case TARGET_NR_execve:
4295 {
4296 char **argp, **envp;
4297 int argc, envc;
4298 abi_ulong gp;
4299 abi_ulong guest_argp;
4300 abi_ulong guest_envp;
4301 abi_ulong addr;
4302 char **q;
4303
4304 argc = 0;
4305 guest_argp = arg2;
4306 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
4307 if (get_user_ual(addr, gp))
4308 goto efault;
4309 if (!addr)
4310 break;
4311 argc++;
4312 }
4313 envc = 0;
4314 guest_envp = arg3;
4315 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
4316 if (get_user_ual(addr, gp))
4317 goto efault;
4318 if (!addr)
4319 break;
4320 envc++;
4321 }
4322
4323 argp = alloca((argc + 1) * sizeof(void *));
4324 envp = alloca((envc + 1) * sizeof(void *));
4325
4326 for (gp = guest_argp, q = argp; gp;
4327 gp += sizeof(abi_ulong), q++) {
4328 if (get_user_ual(addr, gp))
4329 goto execve_efault;
4330 if (!addr)
4331 break;
4332 if (!(*q = lock_user_string(addr)))
4333 goto execve_efault;
4334 }
4335 *q = NULL;
4336
4337 for (gp = guest_envp, q = envp; gp;
4338 gp += sizeof(abi_ulong), q++) {
4339 if (get_user_ual(addr, gp))
4340 goto execve_efault;
4341 if (!addr)
4342 break;
4343 if (!(*q = lock_user_string(addr)))
4344 goto execve_efault;
4345 }
4346 *q = NULL;
4347
4348 if (!(p = lock_user_string(arg1)))
4349 goto execve_efault;
4350 ret = get_errno(execve(p, argp, envp));
4351 unlock_user(p, arg1, 0);
4352
4353 goto execve_end;
4354
4355 execve_efault:
4356 ret = -TARGET_EFAULT;
4357
4358 execve_end:
4359 for (gp = guest_argp, q = argp; *q;
4360 gp += sizeof(abi_ulong), q++) {
4361 if (get_user_ual(addr, gp)
4362 || !addr)
4363 break;
4364 unlock_user(*q, addr, 0);
4365 }
4366 for (gp = guest_envp, q = envp; *q;
4367 gp += sizeof(abi_ulong), q++) {
4368 if (get_user_ual(addr, gp)
4369 || !addr)
4370 break;
4371 unlock_user(*q, addr, 0);
4372 }
4373 }
4374 break;
4375 case TARGET_NR_chdir:
4376 if (!(p = lock_user_string(arg1)))
4377 goto efault;
4378 ret = get_errno(chdir(p));
4379 unlock_user(p, arg1, 0);
4380 break;
4381 #ifdef TARGET_NR_time
4382 case TARGET_NR_time:
4383 {
4384 time_t host_time;
4385 ret = get_errno(time(&host_time));
4386 if (!is_error(ret)
4387 && arg1
4388 && put_user_sal(host_time, arg1))
4389 goto efault;
4390 }
4391 break;
4392 #endif
4393 case TARGET_NR_mknod:
4394 if (!(p = lock_user_string(arg1)))
4395 goto efault;
4396 ret = get_errno(mknod(p, arg2, arg3));
4397 unlock_user(p, arg1, 0);
4398 break;
4399 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4400 case TARGET_NR_mknodat:
4401 if (!(p = lock_user_string(arg2)))
4402 goto efault;
4403 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4404 unlock_user(p, arg2, 0);
4405 break;
4406 #endif
4407 case TARGET_NR_chmod:
4408 if (!(p = lock_user_string(arg1)))
4409 goto efault;
4410 ret = get_errno(chmod(p, arg2));
4411 unlock_user(p, arg1, 0);
4412 break;
4413 #ifdef TARGET_NR_break
4414 case TARGET_NR_break:
4415 goto unimplemented;
4416 #endif
4417 #ifdef TARGET_NR_oldstat
4418 case TARGET_NR_oldstat:
4419 goto unimplemented;
4420 #endif
4421 case TARGET_NR_lseek:
4422 ret = get_errno(lseek(arg1, arg2, arg3));
4423 break;
4424 #ifdef TARGET_NR_getxpid
4425 case TARGET_NR_getxpid:
4426 #else
4427 case TARGET_NR_getpid:
4428 #endif
4429 ret = get_errno(getpid());
4430 break;
4431 case TARGET_NR_mount:
4432 {
4433 /* need to look at the data field */
4434 void *p2, *p3;
4435 p = lock_user_string(arg1);
4436 p2 = lock_user_string(arg2);
4437 p3 = lock_user_string(arg3);
4438 if (!p || !p2 || !p3)
4439 ret = -TARGET_EFAULT;
4440 else
4441 /* FIXME - arg5 should be locked, but it isn't clear how to
4442 * do that since it's not guaranteed to be a NULL-terminated
4443 * string.
4444 */
4445 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4446 unlock_user(p, arg1, 0);
4447 unlock_user(p2, arg2, 0);
4448 unlock_user(p3, arg3, 0);
4449 break;
4450 }
4451 #ifdef TARGET_NR_umount
4452 case TARGET_NR_umount:
4453 if (!(p = lock_user_string(arg1)))
4454 goto efault;
4455 ret = get_errno(umount(p));
4456 unlock_user(p, arg1, 0);
4457 break;
4458 #endif
4459 #ifdef TARGET_NR_stime /* not on alpha */
4460 case TARGET_NR_stime:
4461 {
4462 time_t host_time;
4463 if (get_user_sal(host_time, arg1))
4464 goto efault;
4465 ret = get_errno(stime(&host_time));
4466 }
4467 break;
4468 #endif
4469 case TARGET_NR_ptrace:
4470 goto unimplemented;
4471 #ifdef TARGET_NR_alarm /* not on alpha */
4472 case TARGET_NR_alarm:
4473 ret = alarm(arg1);
4474 break;
4475 #endif
4476 #ifdef TARGET_NR_oldfstat
4477 case TARGET_NR_oldfstat:
4478 goto unimplemented;
4479 #endif
4480 #ifdef TARGET_NR_pause /* not on alpha */
4481 case TARGET_NR_pause:
4482 ret = get_errno(pause());
4483 break;
4484 #endif
4485 #ifdef TARGET_NR_utime
4486 case TARGET_NR_utime:
4487 {
4488 struct utimbuf tbuf, *host_tbuf;
4489 struct target_utimbuf *target_tbuf;
4490 if (arg2) {
4491 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4492 goto efault;
4493 tbuf.actime = tswapl(target_tbuf->actime);
4494 tbuf.modtime = tswapl(target_tbuf->modtime);
4495 unlock_user_struct(target_tbuf, arg2, 0);
4496 host_tbuf = &tbuf;
4497 } else {
4498 host_tbuf = NULL;
4499 }
4500 if (!(p = lock_user_string(arg1)))
4501 goto efault;
4502 ret = get_errno(utime(p, host_tbuf));
4503 unlock_user(p, arg1, 0);
4504 }
4505 break;
4506 #endif
4507 case TARGET_NR_utimes:
4508 {
4509 struct timeval *tvp, tv[2];
4510 if (arg2) {
4511 if (copy_from_user_timeval(&tv[0], arg2)
4512 || copy_from_user_timeval(&tv[1],
4513 arg2 + sizeof(struct target_timeval)))
4514 goto efault;
4515 tvp = tv;
4516 } else {
4517 tvp = NULL;
4518 }
4519 if (!(p = lock_user_string(arg1)))
4520 goto efault;
4521 ret = get_errno(utimes(p, tvp));
4522 unlock_user(p, arg1, 0);
4523 }
4524 break;
4525 #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4526 case TARGET_NR_futimesat:
4527 {
4528 struct timeval *tvp, tv[2];
4529 if (arg3) {
4530 if (copy_from_user_timeval(&tv[0], arg3)
4531 || copy_from_user_timeval(&tv[1],
4532 arg3 + sizeof(struct target_timeval)))
4533 goto efault;
4534 tvp = tv;
4535 } else {
4536 tvp = NULL;
4537 }
4538 if (!(p = lock_user_string(arg2)))
4539 goto efault;
4540 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4541 unlock_user(p, arg2, 0);
4542 }
4543 break;
4544 #endif
4545 #ifdef TARGET_NR_stty
4546 case TARGET_NR_stty:
4547 goto unimplemented;
4548 #endif
4549 #ifdef TARGET_NR_gtty
4550 case TARGET_NR_gtty:
4551 goto unimplemented;
4552 #endif
4553 case TARGET_NR_access:
4554 if (!(p = lock_user_string(arg1)))
4555 goto efault;
4556 ret = get_errno(access(path(p), arg2));
4557 unlock_user(p, arg1, 0);
4558 break;
4559 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4560 case TARGET_NR_faccessat:
4561 if (!(p = lock_user_string(arg2)))
4562 goto efault;
4563 ret = get_errno(sys_faccessat(arg1, p, arg3));
4564 unlock_user(p, arg2, 0);
4565 break;
4566 #endif
4567 #ifdef TARGET_NR_nice /* not on alpha */
4568 case TARGET_NR_nice:
4569 ret = get_errno(nice(arg1));
4570 break;
4571 #endif
4572 #ifdef TARGET_NR_ftime
4573 case TARGET_NR_ftime:
4574 goto unimplemented;
4575 #endif
4576 case TARGET_NR_sync:
4577 sync();
4578 ret = 0;
4579 break;
4580 case TARGET_NR_kill:
4581 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
4582 break;
4583 case TARGET_NR_rename:
4584 {
4585 void *p2;
4586 p = lock_user_string(arg1);
4587 p2 = lock_user_string(arg2);
4588 if (!p || !p2)
4589 ret = -TARGET_EFAULT;
4590 else
4591 ret = get_errno(rename(p, p2));
4592 unlock_user(p2, arg2, 0);
4593 unlock_user(p, arg1, 0);
4594 }
4595 break;
4596 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4597 case TARGET_NR_renameat:
4598 {
4599 void *p2;
4600 p = lock_user_string(arg2);
4601 p2 = lock_user_string(arg4);
4602 if (!p || !p2)
4603 ret = -TARGET_EFAULT;
4604 else
4605 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
4606 unlock_user(p2, arg4, 0);
4607 unlock_user(p, arg2, 0);
4608 }
4609 break;
4610 #endif
4611 case TARGET_NR_mkdir:
4612 if (!(p = lock_user_string(arg1)))
4613 goto efault;
4614 ret = get_errno(mkdir(p, arg2));
4615 unlock_user(p, arg1, 0);
4616 break;
4617 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4618 case TARGET_NR_mkdirat:
4619 if (!(p = lock_user_string(arg2)))
4620 goto efault;
4621 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4622 unlock_user(p, arg2, 0);
4623 break;
4624 #endif
4625 case TARGET_NR_rmdir:
4626 if (!(p = lock_user_string(arg1)))
4627 goto efault;
4628 ret = get_errno(rmdir(p));
4629 unlock_user(p, arg1, 0);
4630 break;
4631 case TARGET_NR_dup:
4632 ret = get_errno(dup(arg1));
4633 break;
4634 case TARGET_NR_pipe:
4635 ret = do_pipe(cpu_env, arg1, 0);
4636 break;
4637 #ifdef TARGET_NR_pipe2
4638 case TARGET_NR_pipe2:
4639 ret = do_pipe(cpu_env, arg1, arg2);
4640 break;
4641 #endif
4642 case TARGET_NR_times:
4643 {
4644 struct target_tms *tmsp;
4645 struct tms tms;
4646 ret = get_errno(times(&tms));
4647 if (arg1) {
4648 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4649 if (!tmsp)
4650 goto efault;
4651 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4652 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4653 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4654 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
4655 }
4656 if (!is_error(ret))
4657 ret = host_to_target_clock_t(ret);
4658 }
4659 break;
4660 #ifdef TARGET_NR_prof
4661 case TARGET_NR_prof:
4662 goto unimplemented;
4663 #endif
4664 #ifdef TARGET_NR_signal
4665 case TARGET_NR_signal:
4666 goto unimplemented;
4667 #endif
4668 case TARGET_NR_acct:
4669 if (arg1 == 0) {
4670 ret = get_errno(acct(NULL));
4671 } else {
4672 if (!(p = lock_user_string(arg1)))
4673 goto efault;
4674 ret = get_errno(acct(path(p)));
4675 unlock_user(p, arg1, 0);
4676 }
4677 break;
4678 #ifdef TARGET_NR_umount2 /* not on alpha */
4679 case TARGET_NR_umount2:
4680 if (!(p = lock_user_string(arg1)))
4681 goto efault;
4682 ret = get_errno(umount2(p, arg2));
4683 unlock_user(p, arg1, 0);
4684 break;
4685 #endif
4686 #ifdef TARGET_NR_lock
4687 case TARGET_NR_lock:
4688 goto unimplemented;
4689 #endif
4690 case TARGET_NR_ioctl:
4691 ret = do_ioctl(arg1, arg2, arg3);
4692 break;
4693 case TARGET_NR_fcntl:
4694 ret = do_fcntl(arg1, arg2, arg3);
4695 break;
4696 #ifdef TARGET_NR_mpx
4697 case TARGET_NR_mpx:
4698 goto unimplemented;
4699 #endif
4700 case TARGET_NR_setpgid:
4701 ret = get_errno(setpgid(arg1, arg2));
4702 break;
4703 #ifdef TARGET_NR_ulimit
4704 case TARGET_NR_ulimit:
4705 goto unimplemented;
4706 #endif
4707 #ifdef TARGET_NR_oldolduname
4708 case TARGET_NR_oldolduname:
4709 goto unimplemented;
4710 #endif
4711 case TARGET_NR_umask:
4712 ret = get_errno(umask(arg1));
4713 break;
4714 case TARGET_NR_chroot:
4715 if (!(p = lock_user_string(arg1)))
4716 goto efault;
4717 ret = get_errno(chroot(p));
4718 unlock_user(p, arg1, 0);
4719 break;
4720 case TARGET_NR_ustat:
4721 goto unimplemented;
4722 case TARGET_NR_dup2:
4723 ret = get_errno(dup2(arg1, arg2));
4724 break;
4725 #ifdef TARGET_NR_getppid /* not on alpha */
4726 case TARGET_NR_getppid:
4727 ret = get_errno(getppid());
4728 break;
4729 #endif
4730 case TARGET_NR_getpgrp:
4731 ret = get_errno(getpgrp());
4732 break;
4733 case TARGET_NR_setsid:
4734 ret = get_errno(setsid());
4735 break;
4736 #ifdef TARGET_NR_sigaction
4737 case TARGET_NR_sigaction:
4738 {
4739 #if !defined(TARGET_MIPS)
4740 struct target_old_sigaction *old_act;
4741 struct target_sigaction act, oact, *pact;
4742 if (arg2) {
4743 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4744 goto efault;
4745 act._sa_handler = old_act->_sa_handler;
4746 target_siginitset(&act.sa_mask, old_act->sa_mask);
4747 act.sa_flags = old_act->sa_flags;
4748 act.sa_restorer = old_act->sa_restorer;
4749 unlock_user_struct(old_act, arg2, 0);
4750 pact = &act;
4751 } else {
4752 pact = NULL;
4753 }
4754 ret = get_errno(do_sigaction(arg1, pact, &oact));
4755 if (!is_error(ret) && arg3) {
4756 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4757 goto efault;
4758 old_act->_sa_handler = oact._sa_handler;
4759 old_act->sa_mask = oact.sa_mask.sig[0];
4760 old_act->sa_flags = oact.sa_flags;
4761 old_act->sa_restorer = oact.sa_restorer;
4762 unlock_user_struct(old_act, arg3, 1);
4763 }
4764 #else
4765 struct target_sigaction act, oact, *pact, *old_act;
4766
4767 if (arg2) {
4768 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4769 goto efault;
4770 act._sa_handler = old_act->_sa_handler;
4771 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4772 act.sa_flags = old_act->sa_flags;
4773 unlock_user_struct(old_act, arg2, 0);
4774 pact = &act;
4775 } else {
4776 pact = NULL;
4777 }
4778
4779 ret = get_errno(do_sigaction(arg1, pact, &oact));
4780
4781 if (!is_error(ret) && arg3) {
4782 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4783 goto efault;
4784 old_act->_sa_handler = oact._sa_handler;
4785 old_act->sa_flags = oact.sa_flags;
4786 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4787 old_act->sa_mask.sig[1] = 0;
4788 old_act->sa_mask.sig[2] = 0;
4789 old_act->sa_mask.sig[3] = 0;
4790 unlock_user_struct(old_act, arg3, 1);
4791 }
4792 #endif
4793 }
4794 break;
4795 #endif
4796 case TARGET_NR_rt_sigaction:
4797 {
4798 struct target_sigaction *act;
4799 struct target_sigaction *oact;
4800
4801 if (arg2) {
4802 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4803 goto efault;
4804 } else
4805 act = NULL;
4806 if (arg3) {
4807 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4808 ret = -TARGET_EFAULT;
4809 goto rt_sigaction_fail;
4810 }
4811 } else
4812 oact = NULL;
4813 ret = get_errno(do_sigaction(arg1, act, oact));
4814 rt_sigaction_fail:
4815 if (act)
4816 unlock_user_struct(act, arg2, 0);
4817 if (oact)
4818 unlock_user_struct(oact, arg3, 1);
4819 }
4820 break;
4821 #ifdef TARGET_NR_sgetmask /* not on alpha */
4822 case TARGET_NR_sgetmask:
4823 {
4824 sigset_t cur_set;
4825 abi_ulong target_set;
4826 sigprocmask(0, NULL, &cur_set);
4827 host_to_target_old_sigset(&target_set, &cur_set);
4828 ret = target_set;
4829 }
4830 break;
4831 #endif
4832 #ifdef TARGET_NR_ssetmask /* not on alpha */
4833 case TARGET_NR_ssetmask:
4834 {
4835 sigset_t set, oset, cur_set;
4836 abi_ulong target_set = arg1;
4837 sigprocmask(0, NULL, &cur_set);
4838 target_to_host_old_sigset(&set, &target_set);
4839 sigorset(&set, &set, &cur_set);
4840 sigprocmask(SIG_SETMASK, &set, &oset);
4841 host_to_target_old_sigset(&target_set, &oset);
4842 ret = target_set;
4843 }
4844 break;
4845 #endif
4846 #ifdef TARGET_NR_sigprocmask
4847 case TARGET_NR_sigprocmask:
4848 {
4849 int how = arg1;
4850 sigset_t set, oldset, *set_ptr;
4851
4852 if (arg2) {
4853 switch(how) {
4854 case TARGET_SIG_BLOCK:
4855 how = SIG_BLOCK;
4856 break;
4857 case TARGET_SIG_UNBLOCK:
4858 how = SIG_UNBLOCK;
4859 break;
4860 case TARGET_SIG_SETMASK:
4861 how = SIG_SETMASK;
4862 break;
4863 default:
4864 ret = -TARGET_EINVAL;
4865 goto fail;
4866 }
4867 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4868 goto efault;
4869 target_to_host_old_sigset(&set, p);
4870 unlock_user(p, arg2, 0);
4871 set_ptr = &set;
4872 } else {
4873 how = 0;
4874 set_ptr = NULL;
4875 }
4876 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
4877 if (!is_error(ret) && arg3) {
4878 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4879 goto efault;
4880 host_to_target_old_sigset(p, &oldset);
4881 unlock_user(p, arg3, sizeof(target_sigset_t));
4882 }
4883 }
4884 break;
4885 #endif
4886 case TARGET_NR_rt_sigprocmask:
4887 {
4888 int how = arg1;
4889 sigset_t set, oldset, *set_ptr;
4890
4891 if (arg2) {
4892 switch(how) {
4893 case TARGET_SIG_BLOCK:
4894 how = SIG_BLOCK;
4895 break;
4896 case TARGET_SIG_UNBLOCK:
4897 how = SIG_UNBLOCK;
4898 break;
4899 case TARGET_SIG_SETMASK:
4900 how = SIG_SETMASK;
4901 break;
4902 default:
4903 ret = -TARGET_EINVAL;
4904 goto fail;
4905 }
4906 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4907 goto efault;
4908 target_to_host_sigset(&set, p);
4909 unlock_user(p, arg2, 0);
4910 set_ptr = &set;
4911 } else {
4912 how = 0;
4913 set_ptr = NULL;
4914 }
4915 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
4916 if (!is_error(ret) && arg3) {
4917 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4918 goto efault;
4919 host_to_target_sigset(p, &oldset);
4920 unlock_user(p, arg3, sizeof(target_sigset_t));
4921 }
4922 }
4923 break;
4924 #ifdef TARGET_NR_sigpending
4925 case TARGET_NR_sigpending:
4926 {
4927 sigset_t set;
4928 ret = get_errno(sigpending(&set));
4929 if (!is_error(ret)) {
4930 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4931 goto efault;
4932 host_to_target_old_sigset(p, &set);
4933 unlock_user(p, arg1, sizeof(target_sigset_t));
4934 }
4935 }
4936 break;
4937 #endif
4938 case TARGET_NR_rt_sigpending:
4939 {
4940 sigset_t set;
4941 ret = get_errno(sigpending(&set));
4942 if (!is_error(ret)) {
4943 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4944 goto efault;
4945 host_to_target_sigset(p, &set);
4946 unlock_user(p, arg1, sizeof(target_sigset_t));
4947 }
4948 }
4949 break;
4950 #ifdef TARGET_NR_sigsuspend
4951 case TARGET_NR_sigsuspend:
4952 {
4953 sigset_t set;
4954 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4955 goto efault;
4956 target_to_host_old_sigset(&set, p);
4957 unlock_user(p, arg1, 0);
4958 ret = get_errno(sigsuspend(&set));
4959 }
4960 break;
4961 #endif
4962 case TARGET_NR_rt_sigsuspend:
4963 {
4964 sigset_t set;
4965 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4966 goto efault;
4967 target_to_host_sigset(&set, p);
4968 unlock_user(p, arg1, 0);
4969 ret = get_errno(sigsuspend(&set));
4970 }
4971 break;
4972 case TARGET_NR_rt_sigtimedwait:
4973 {
4974 sigset_t set;
4975 struct timespec uts, *puts;
4976 siginfo_t uinfo;
4977
4978 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4979 goto efault;
4980 target_to_host_sigset(&set, p);
4981 unlock_user(p, arg1, 0);
4982 if (arg3) {
4983 puts = &uts;
4984 target_to_host_timespec(puts, arg3);
4985 } else {
4986 puts = NULL;
4987 }
4988 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
4989 if (!is_error(ret) && arg2) {
4990 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
4991 goto efault;
4992 host_to_target_siginfo(p, &uinfo);
4993 unlock_user(p, arg2, sizeof(target_siginfo_t));
4994 }
4995 }
4996 break;
4997 case TARGET_NR_rt_sigqueueinfo:
4998 {
4999 siginfo_t uinfo;
5000 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
5001 goto efault;
5002 target_to_host_siginfo(&uinfo, p);
5003 unlock_user(p, arg1, 0);
5004 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5005 }
5006 break;
5007 #ifdef TARGET_NR_sigreturn
5008 case TARGET_NR_sigreturn:
5009 /* NOTE: ret is eax, so not transcoding must be done */
5010 ret = do_sigreturn(cpu_env);
5011 break;
5012 #endif
5013 case TARGET_NR_rt_sigreturn:
5014 /* NOTE: ret is eax, so not transcoding must be done */
5015 ret = do_rt_sigreturn(cpu_env);
5016 break;
5017 case TARGET_NR_sethostname:
5018 if (!(p = lock_user_string(arg1)))
5019 goto efault;
5020 ret = get_errno(sethostname(p, arg2));
5021 unlock_user(p, arg1, 0);
5022 break;
5023 case TARGET_NR_setrlimit:
5024 {
5025 /* XXX: convert resource ? */
5026 int resource = arg1;
5027 struct target_rlimit *target_rlim;
5028 struct rlimit rlim;
5029 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5030 goto efault;
5031 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
5032 rlim.rlim_max = tswapl(target_rlim->rlim_max);
5033 unlock_user_struct(target_rlim, arg2, 0);
5034 ret = get_errno(setrlimit(resource, &rlim));
5035 }
5036 break;
5037 case TARGET_NR_getrlimit:
5038 {
5039 /* XXX: convert resource ? */
5040 int resource = arg1;
5041 struct target_rlimit *target_rlim;
5042 struct rlimit rlim;
5043
5044 ret = get_errno(getrlimit(resource, &rlim));
5045 if (!is_error(ret)) {
5046 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5047 goto efault;
5048 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
5049 target_rlim->rlim_max = tswapl(rlim.rlim_max);
5050 unlock_user_struct(target_rlim, arg2, 1);
5051 }
5052 }
5053 break;
5054 case TARGET_NR_getrusage:
5055 {
5056 struct rusage rusage;
5057 ret = get_errno(getrusage(arg1, &rusage));
5058 if (!is_error(ret)) {
5059 host_to_target_rusage(arg2, &rusage);
5060 }
5061 }
5062 break;
5063 case TARGET_NR_gettimeofday:
5064 {
5065 struct timeval tv;
5066 ret = get_errno(gettimeofday(&tv, NULL));
5067 if (!is_error(ret)) {
5068 if (copy_to_user_timeval(arg1, &tv))
5069 goto efault;
5070 }
5071 }
5072 break;
5073 case TARGET_NR_settimeofday:
5074 {
5075 struct timeval tv;
5076 if (copy_from_user_timeval(&tv, arg1))
5077 goto efault;
5078 ret = get_errno(settimeofday(&tv, NULL));
5079 }
5080 break;
5081 #ifdef TARGET_NR_select
5082 case TARGET_NR_select:
5083 {
5084 struct target_sel_arg_struct *sel;
5085 abi_ulong inp, outp, exp, tvp;
5086 long nsel;
5087
5088 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5089 goto efault;
5090 nsel = tswapl(sel->n);
5091 inp = tswapl(sel->inp);
5092 outp = tswapl(sel->outp);
5093 exp = tswapl(sel->exp);
5094 tvp = tswapl(sel->tvp);
5095 unlock_user_struct(sel, arg1, 0);
5096 ret = do_select(nsel, inp, outp, exp, tvp);
5097 }
5098 break;
5099 #endif
5100 case TARGET_NR_symlink:
5101 {
5102 void *p2;
5103 p = lock_user_string(arg1);
5104 p2 = lock_user_string(arg2);
5105 if (!p || !p2)
5106 ret = -TARGET_EFAULT;
5107 else
5108 ret = get_errno(symlink(p, p2));
5109 unlock_user(p2, arg2, 0);
5110 unlock_user(p, arg1, 0);
5111 }
5112 break;
5113 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5114 case TARGET_NR_symlinkat:
5115 {
5116 void *p2;
5117 p = lock_user_string(arg1);
5118 p2 = lock_user_string(arg3);
5119 if (!p || !p2)
5120 ret = -TARGET_EFAULT;
5121 else
5122 ret = get_errno(sys_symlinkat(p, arg2, p2));
5123 unlock_user(p2, arg3, 0);
5124 unlock_user(p, arg1, 0);
5125 }
5126 break;
5127 #endif
5128 #ifdef TARGET_NR_oldlstat
5129 case TARGET_NR_oldlstat:
5130 goto unimplemented;
5131 #endif
5132 case TARGET_NR_readlink:
5133 {
5134 void *p2, *temp;
5135 p = lock_user_string(arg1);
5136 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5137 if (!p || !p2)
5138 ret = -TARGET_EFAULT;
5139 else {
5140 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5141 char real[PATH_MAX];
5142 temp = realpath(exec_path,real);
5143 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5144 snprintf((char *)p2, arg3, "%s", real);
5145 }
5146 else
5147 ret = get_errno(readlink(path(p), p2, arg3));
5148 }
5149 unlock_user(p2, arg2, ret);
5150 unlock_user(p, arg1, 0);
5151 }
5152 break;
5153 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5154 case TARGET_NR_readlinkat:
5155 {
5156 void *p2;
5157 p = lock_user_string(arg2);
5158 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5159 if (!p || !p2)
5160 ret = -TARGET_EFAULT;
5161 else
5162 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
5163 unlock_user(p2, arg3, ret);
5164 unlock_user(p, arg2, 0);
5165 }
5166 break;
5167 #endif
5168 #ifdef TARGET_NR_uselib
5169 case TARGET_NR_uselib:
5170 goto unimplemented;
5171 #endif
5172 #ifdef TARGET_NR_swapon
5173 case TARGET_NR_swapon:
5174 if (!(p = lock_user_string(arg1)))
5175 goto efault;
5176 ret = get_errno(swapon(p, arg2));
5177 unlock_user(p, arg1, 0);
5178 break;
5179 #endif
5180 case TARGET_NR_reboot:
5181 goto unimplemented;
5182 #ifdef TARGET_NR_readdir
5183 case TARGET_NR_readdir:
5184 goto unimplemented;
5185 #endif
5186 #ifdef TARGET_NR_mmap
5187 case TARGET_NR_mmap:
5188 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
5189 {
5190 abi_ulong *v;
5191 abi_ulong v1, v2, v3, v4, v5, v6;
5192 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5193 goto efault;
5194 v1 = tswapl(v[0]);
5195 v2 = tswapl(v[1]);
5196 v3 = tswapl(v[2]);
5197 v4 = tswapl(v[3]);
5198 v5 = tswapl(v[4]);
5199 v6 = tswapl(v[5]);
5200 unlock_user(v, arg1, 0);
5201 ret = get_errno(target_mmap(v1, v2, v3,
5202 target_to_host_bitmask(v4, mmap_flags_tbl),
5203 v5, v6));
5204 }
5205 #else
5206 ret = get_errno(target_mmap(arg1, arg2, arg3,
5207 target_to_host_bitmask(arg4, mmap_flags_tbl),
5208 arg5,
5209 arg6));
5210 #endif
5211 break;
5212 #endif
5213 #ifdef TARGET_NR_mmap2
5214 case TARGET_NR_mmap2:
5215 #ifndef MMAP_SHIFT
5216 #define MMAP_SHIFT 12
5217 #endif
5218 ret = get_errno(target_mmap(arg1, arg2, arg3,
5219 target_to_host_bitmask(arg4, mmap_flags_tbl),
5220 arg5,
5221 arg6 << MMAP_SHIFT));
5222 break;
5223 #endif
5224 case TARGET_NR_munmap:
5225 ret = get_errno(target_munmap(arg1, arg2));
5226 break;
5227 case TARGET_NR_mprotect:
5228 ret = get_errno(target_mprotect(arg1, arg2, arg3));
5229 break;
5230 #ifdef TARGET_NR_mremap
5231 case TARGET_NR_mremap:
5232 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
5233 break;
5234 #endif
5235 /* ??? msync/mlock/munlock are broken for softmmu. */
5236 #ifdef TARGET_NR_msync
5237 case TARGET_NR_msync:
5238 ret = get_errno(msync(g2h(arg1), arg2, arg3));
5239 break;
5240 #endif
5241 #ifdef TARGET_NR_mlock
5242 case TARGET_NR_mlock:
5243 ret = get_errno(mlock(g2h(arg1), arg2));
5244 break;
5245 #endif
5246 #ifdef TARGET_NR_munlock
5247 case TARGET_NR_munlock:
5248 ret = get_errno(munlock(g2h(arg1), arg2));
5249 break;
5250 #endif
5251 #ifdef TARGET_NR_mlockall
5252 case TARGET_NR_mlockall:
5253 ret = get_errno(mlockall(arg1));
5254 break;
5255 #endif
5256 #ifdef TARGET_NR_munlockall
5257 case TARGET_NR_munlockall:
5258 ret = get_errno(munlockall());
5259 break;
5260 #endif
5261 case TARGET_NR_truncate:
5262 if (!(p = lock_user_string(arg1)))
5263 goto efault;
5264 ret = get_errno(truncate(p, arg2));
5265 unlock_user(p, arg1, 0);
5266 break;
5267 case TARGET_NR_ftruncate:
5268 ret = get_errno(ftruncate(arg1, arg2));
5269 break;
5270 case TARGET_NR_fchmod:
5271 ret = get_errno(fchmod(arg1, arg2));
5272 break;
5273 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5274 case TARGET_NR_fchmodat:
5275 if (!(p = lock_user_string(arg2)))
5276 goto efault;
5277 ret = get_errno(sys_fchmodat(arg1, p, arg3));
5278 unlock_user(p, arg2, 0);
5279 break;
5280 #endif
5281 case TARGET_NR_getpriority:
5282 /* libc does special remapping of the return value of
5283 * sys_getpriority() so it's just easiest to call
5284 * sys_getpriority() directly rather than through libc. */
5285 ret = sys_getpriority(arg1, arg2);
5286 break;
5287 case TARGET_NR_setpriority:
5288 ret = get_errno(setpriority(arg1, arg2, arg3));
5289 break;
5290 #ifdef TARGET_NR_profil
5291 case TARGET_NR_profil:
5292 goto unimplemented;
5293 #endif
5294 case TARGET_NR_statfs:
5295 if (!(p = lock_user_string(arg1)))
5296 goto efault;
5297 ret = get_errno(statfs(path(p), &stfs));
5298 unlock_user(p, arg1, 0);
5299 convert_statfs:
5300 if (!is_error(ret)) {
5301 struct target_statfs *target_stfs;
5302
5303 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5304 goto efault;
5305 __put_user(stfs.f_type, &target_stfs->f_type);
5306 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5307 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5308 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5309 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5310 __put_user(stfs.f_files, &target_stfs->f_files);
5311 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5312 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5313 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5314 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5315 unlock_user_struct(target_stfs, arg2, 1);
5316 }
5317 break;
5318 case TARGET_NR_fstatfs:
5319 ret = get_errno(fstatfs(arg1, &stfs));
5320 goto convert_statfs;
5321 #ifdef TARGET_NR_statfs64
5322 case TARGET_NR_statfs64:
5323 if (!(p = lock_user_string(arg1)))
5324 goto efault;
5325 ret = get_errno(statfs(path(p), &stfs));
5326 unlock_user(p, arg1, 0);
5327 convert_statfs64:
5328 if (!is_error(ret)) {
5329 struct target_statfs64 *target_stfs;
5330
5331 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5332 goto efault;
5333 __put_user(stfs.f_type, &target_stfs->f_type);
5334 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5335 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5336 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5337 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5338 __put_user(stfs.f_files, &target_stfs->f_files);
5339 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5340 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5341 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5342 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5343 unlock_user_struct(target_stfs, arg3, 1);
5344 }
5345 break;
5346 case TARGET_NR_fstatfs64:
5347 ret = get_errno(fstatfs(arg1, &stfs));
5348 goto convert_statfs64;
5349 #endif
5350 #ifdef TARGET_NR_ioperm
5351 case TARGET_NR_ioperm:
5352 goto unimplemented;
5353 #endif
5354 #ifdef TARGET_NR_socketcall
5355 case TARGET_NR_socketcall:
5356 ret = do_socketcall(arg1, arg2);
5357 break;
5358 #endif
5359 #ifdef TARGET_NR_accept
5360 case TARGET_NR_accept:
5361 ret = do_accept(arg1, arg2, arg3);
5362 break;
5363 #endif
5364 #ifdef TARGET_NR_bind
5365 case TARGET_NR_bind:
5366 ret = do_bind(arg1, arg2, arg3);
5367 break;
5368 #endif
5369 #ifdef TARGET_NR_connect
5370 case TARGET_NR_connect:
5371 ret = do_connect(arg1, arg2, arg3);
5372 break;
5373 #endif
5374 #ifdef TARGET_NR_getpeername
5375 case TARGET_NR_getpeername:
5376 ret = do_getpeername(arg1, arg2, arg3);
5377 break;
5378 #endif
5379 #ifdef TARGET_NR_getsockname
5380 case TARGET_NR_getsockname:
5381 ret = do_getsockname(arg1, arg2, arg3);
5382 break;
5383 #endif
5384 #ifdef TARGET_NR_getsockopt
5385 case TARGET_NR_getsockopt:
5386 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5387 break;
5388 #endif
5389 #ifdef TARGET_NR_listen
5390 case TARGET_NR_listen:
5391 ret = get_errno(listen(arg1, arg2));
5392 break;
5393 #endif
5394 #ifdef TARGET_NR_recv
5395 case TARGET_NR_recv:
5396 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
5397 break;
5398 #endif
5399 #ifdef TARGET_NR_recvfrom
5400 case TARGET_NR_recvfrom:
5401 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
5402 break;
5403 #endif
5404 #ifdef TARGET_NR_recvmsg
5405 case TARGET_NR_recvmsg:
5406 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5407 break;
5408 #endif
5409 #ifdef TARGET_NR_send
5410 case TARGET_NR_send:
5411 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
5412 break;
5413 #endif
5414 #ifdef TARGET_NR_sendmsg
5415 case TARGET_NR_sendmsg:
5416 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5417 break;
5418 #endif
5419 #ifdef TARGET_NR_sendto
5420 case TARGET_NR_sendto:
5421 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
5422 break;
5423 #endif
5424 #ifdef TARGET_NR_shutdown
5425 case TARGET_NR_shutdown:
5426 ret = get_errno(shutdown(arg1, arg2));
5427 break;
5428 #endif
5429 #ifdef TARGET_NR_socket
5430 case TARGET_NR_socket:
5431 ret = do_socket(arg1, arg2, arg3);
5432 break;
5433 #endif
5434 #ifdef TARGET_NR_socketpair
5435 case TARGET_NR_socketpair:
5436 ret = do_socketpair(arg1, arg2, arg3, arg4);
5437 break;
5438 #endif
5439 #ifdef TARGET_NR_setsockopt
5440 case TARGET_NR_setsockopt:
5441 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5442 break;
5443 #endif
5444
5445 case TARGET_NR_syslog:
5446 if (!(p = lock_user_string(arg2)))
5447 goto efault;
5448 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5449 unlock_user(p, arg2, 0);
5450 break;
5451
5452 case TARGET_NR_setitimer:
5453 {
5454 struct itimerval value, ovalue, *pvalue;
5455
5456 if (arg2) {
5457 pvalue = &value;
5458 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5459 || copy_from_user_timeval(&pvalue->it_value,
5460 arg2 + sizeof(struct target_timeval)))
5461 goto efault;
5462 } else {
5463 pvalue = NULL;
5464 }
5465 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
5466 if (!is_error(ret) && arg3) {
5467 if (copy_to_user_timeval(arg3,
5468 &ovalue.it_interval)
5469 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5470 &ovalue.it_value))
5471 goto efault;
5472 }
5473 }
5474 break;
5475 case TARGET_NR_getitimer:
5476 {
5477 struct itimerval value;
5478
5479 ret = get_errno(getitimer(arg1, &value));
5480 if (!is_error(ret) && arg2) {
5481 if (copy_to_user_timeval(arg2,
5482 &value.it_interval)
5483 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5484 &value.it_value))
5485 goto efault;
5486 }
5487 }
5488 break;
5489 case TARGET_NR_stat:
5490 if (!(p = lock_user_string(arg1)))
5491 goto efault;
5492 ret = get_errno(stat(path(p), &st));
5493 unlock_user(p, arg1, 0);
5494 goto do_stat;
5495 case TARGET_NR_lstat:
5496 if (!(p = lock_user_string(arg1)))
5497 goto efault;
5498 ret = get_errno(lstat(path(p), &st));
5499 unlock_user(p, arg1, 0);
5500 goto do_stat;
5501 case TARGET_NR_fstat:
5502 {
5503 ret = get_errno(fstat(arg1, &st));
5504 do_stat:
5505 if (!is_error(ret)) {
5506 struct target_stat *target_st;
5507
5508 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5509 goto efault;
5510 __put_user(st.st_dev, &target_st->st_dev);
5511 __put_user(st.st_ino, &target_st->st_ino);
5512 __put_user(st.st_mode, &target_st->st_mode);
5513 __put_user(st.st_uid, &target_st->st_uid);
5514 __put_user(st.st_gid, &target_st->st_gid);
5515 __put_user(st.st_nlink, &target_st->st_nlink);
5516 __put_user(st.st_rdev, &target_st->st_rdev);
5517 __put_user(st.st_size, &target_st->st_size);
5518 __put_user(st.st_blksize, &target_st->st_blksize);
5519 __put_user(st.st_blocks, &target_st->st_blocks);
5520 __put_user(st.st_atime, &target_st->target_st_atime);
5521 __put_user(st.st_mtime, &target_st->target_st_mtime);
5522 __put_user(st.st_ctime, &target_st->target_st_ctime);
5523 unlock_user_struct(target_st, arg2, 1);
5524 }
5525 }
5526 break;
5527 #ifdef TARGET_NR_olduname
5528 case TARGET_NR_olduname:
5529 goto unimplemented;
5530 #endif
5531 #ifdef TARGET_NR_iopl
5532 case TARGET_NR_iopl:
5533 goto unimplemented;
5534 #endif
5535 case TARGET_NR_vhangup:
5536 ret = get_errno(vhangup());
5537 break;
5538 #ifdef TARGET_NR_idle
5539 case TARGET_NR_idle:
5540 goto unimplemented;
5541 #endif
5542 #ifdef TARGET_NR_syscall
5543 case TARGET_NR_syscall:
5544 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5545 break;
5546 #endif
5547 case TARGET_NR_wait4:
5548 {
5549 int status;
5550 abi_long status_ptr = arg2;
5551 struct rusage rusage, *rusage_ptr;
5552 abi_ulong target_rusage = arg4;
5553 if (target_rusage)
5554 rusage_ptr = &rusage;
5555 else
5556 rusage_ptr = NULL;
5557 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5558 if (!is_error(ret)) {
5559 if (status_ptr) {
5560 status = host_to_target_waitstatus(status);
5561 if (put_user_s32(status, status_ptr))
5562 goto efault;
5563 }
5564 if (target_rusage)
5565 host_to_target_rusage(target_rusage, &rusage);
5566 }
5567 }
5568 break;
5569 #ifdef TARGET_NR_swapoff
5570 case TARGET_NR_swapoff:
5571 if (!(p = lock_user_string(arg1)))
5572 goto efault;
5573 ret = get_errno(swapoff(p));
5574 unlock_user(p, arg1, 0);
5575 break;
5576 #endif
5577 case TARGET_NR_sysinfo:
5578 {
5579 struct target_sysinfo *target_value;
5580 struct sysinfo value;
5581 ret = get_errno(sysinfo(&value));
5582 if (!is_error(ret) && arg1)
5583 {
5584 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5585 goto efault;
5586 __put_user(value.uptime, &target_value->uptime);
5587 __put_user(value.loads[0], &target_value->loads[0]);
5588 __put_user(value.loads[1], &target_value->loads[1]);
5589 __put_user(value.loads[2], &target_value->loads[2]);
5590 __put_user(value.totalram, &target_value->totalram);
5591 __put_user(value.freeram, &target_value->freeram);
5592 __put_user(value.sharedram, &target_value->sharedram);
5593 __put_user(value.bufferram, &target_value->bufferram);
5594 __put_user(value.totalswap, &target_value->totalswap);
5595 __put_user(value.freeswap, &target_value->freeswap);
5596 __put_user(value.procs, &target_value->procs);
5597 __put_user(value.totalhigh, &target_value->totalhigh);
5598 __put_user(value.freehigh, &target_value->freehigh);
5599 __put_user(value.mem_unit, &target_value->mem_unit);
5600 unlock_user_struct(target_value, arg1, 1);
5601 }
5602 }
5603 break;
5604 #ifdef TARGET_NR_ipc
5605 case TARGET_NR_ipc:
5606 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5607 break;
5608 #endif
5609 #ifdef TARGET_NR_semget
5610 case TARGET_NR_semget:
5611 ret = get_errno(semget(arg1, arg2, arg3));
5612 break;
5613 #endif
5614 #ifdef TARGET_NR_semop
5615 case TARGET_NR_semop:
5616 ret = get_errno(do_semop(arg1, arg2, arg3));
5617 break;
5618 #endif
5619 #ifdef TARGET_NR_semctl
5620 case TARGET_NR_semctl:
5621 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5622 break;
5623 #endif
5624 #ifdef TARGET_NR_msgctl
5625 case TARGET_NR_msgctl:
5626 ret = do_msgctl(arg1, arg2, arg3);
5627 break;
5628 #endif
5629 #ifdef TARGET_NR_msgget
5630 case TARGET_NR_msgget:
5631 ret = get_errno(msgget(arg1, arg2));
5632 break;
5633 #endif
5634 #ifdef TARGET_NR_msgrcv
5635 case TARGET_NR_msgrcv:
5636 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5637 break;
5638 #endif
5639 #ifdef TARGET_NR_msgsnd
5640 case TARGET_NR_msgsnd:
5641 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5642 break;
5643 #endif
5644 #ifdef TARGET_NR_shmget
5645 case TARGET_NR_shmget:
5646 ret = get_errno(shmget(arg1, arg2, arg3));
5647 break;
5648 #endif
5649 #ifdef TARGET_NR_shmctl
5650 case TARGET_NR_shmctl:
5651 ret = do_shmctl(arg1, arg2, arg3);
5652 break;
5653 #endif
5654 #ifdef TARGET_NR_shmat
5655 case TARGET_NR_shmat:
5656 ret = do_shmat(arg1, arg2, arg3);
5657 break;
5658 #endif
5659 #ifdef TARGET_NR_shmdt
5660 case TARGET_NR_shmdt:
5661 ret = do_shmdt(arg1);
5662 break;
5663 #endif
5664 case TARGET_NR_fsync:
5665 ret = get_errno(fsync(arg1));
5666 break;
5667 case TARGET_NR_clone:
5668 #if defined(TARGET_SH4)
5669 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
5670 #elif defined(TARGET_CRIS)
5671 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
5672 #else
5673 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
5674 #endif
5675 break;
5676 #ifdef __NR_exit_group
5677 /* new thread calls */
5678 case TARGET_NR_exit_group:
5679 #ifdef HAVE_GPROF
5680 _mcleanup();
5681 #endif
5682 gdb_exit(cpu_env, arg1);
5683 ret = get_errno(exit_group(arg1));
5684 break;
5685 #endif
5686 case TARGET_NR_setdomainname:
5687 if (!(p = lock_user_string(arg1)))
5688 goto efault;
5689 ret = get_errno(setdomainname(p, arg2));
5690 unlock_user(p, arg1, 0);
5691 break;
5692 case TARGET_NR_uname:
5693 /* no need to transcode because we use the linux syscall */
5694 {
5695 struct new_utsname * buf;
5696
5697 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5698 goto efault;
5699 ret = get_errno(sys_uname(buf));
5700 if (!is_error(ret)) {
5701 /* Overrite the native machine name with whatever is being
5702 emulated. */
5703 strcpy (buf->machine, UNAME_MACHINE);
5704 /* Allow the user to override the reported release. */
5705 if (qemu_uname_release && *qemu_uname_release)
5706 strcpy (buf->release, qemu_uname_release);
5707 }
5708 unlock_user_struct(buf, arg1, 1);
5709 }
5710 break;
5711 #ifdef TARGET_I386
5712 case TARGET_NR_modify_ldt:
5713 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5714 break;
5715 #if !defined(TARGET_X86_64)
5716 case TARGET_NR_vm86old:
5717 goto unimplemented;
5718 case TARGET_NR_vm86:
5719 ret = do_vm86(cpu_env, arg1, arg2);
5720 break;
5721 #endif
5722 #endif
5723 case TARGET_NR_adjtimex:
5724 goto unimplemented;
5725 #ifdef TARGET_NR_create_module
5726 case TARGET_NR_create_module:
5727 #endif
5728 case TARGET_NR_init_module:
5729 case TARGET_NR_delete_module:
5730 #ifdef TARGET_NR_get_kernel_syms
5731 case TARGET_NR_get_kernel_syms:
5732 #endif
5733 goto unimplemented;
5734 case TARGET_NR_quotactl:
5735 goto unimplemented;
5736 case TARGET_NR_getpgid:
5737 ret = get_errno(getpgid(arg1));
5738 break;
5739 case TARGET_NR_fchdir:
5740 ret = get_errno(fchdir(arg1));
5741 break;
5742 #ifdef TARGET_NR_bdflush /* not on x86_64 */
5743 case TARGET_NR_bdflush:
5744 goto unimplemented;
5745 #endif
5746 #ifdef TARGET_NR_sysfs
5747 case TARGET_NR_sysfs:
5748 goto unimplemented;
5749 #endif
5750 case TARGET_NR_personality:
5751 ret = get_errno(personality(arg1));
5752 break;
5753 #ifdef TARGET_NR_afs_syscall
5754 case TARGET_NR_afs_syscall:
5755 goto unimplemented;
5756 #endif
5757 #ifdef TARGET_NR__llseek /* Not on alpha */
5758 case TARGET_NR__llseek:
5759 {
5760 #if defined (__x86_64__)
5761 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
5762 if (put_user_s64(ret, arg4))
5763 goto efault;
5764 #else
5765 int64_t res;
5766 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
5767 if (put_user_s64(res, arg4))
5768 goto efault;
5769 #endif
5770 }
5771 break;
5772 #endif
5773 case TARGET_NR_getdents:
5774 #if TARGET_ABI_BITS != 32
5775 goto unimplemented;
5776 #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
5777 {
5778 struct target_dirent *target_dirp;
5779 struct linux_dirent *dirp;
5780 abi_long count = arg3;
5781
5782 dirp = malloc(count);
5783 if (!dirp) {
5784 ret = -TARGET_ENOMEM;
5785 goto fail;
5786 }
5787
5788 ret = get_errno(sys_getdents(arg1, dirp, count));
5789 if (!is_error(ret)) {
5790 struct linux_dirent *de;
5791 struct target_dirent *tde;
5792 int len = ret;
5793 int reclen, treclen;
5794 int count1, tnamelen;
5795
5796 count1 = 0;
5797 de = dirp;
5798 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5799 goto efault;
5800 tde = target_dirp;
5801 while (len > 0) {
5802 reclen = de->d_reclen;
5803 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
5804 tde->d_reclen = tswap16(treclen);
5805 tde->d_ino = tswapl(de->d_ino);
5806 tde->d_off = tswapl(de->d_off);
5807 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
5808 if (tnamelen > 256)
5809 tnamelen = 256;
5810 /* XXX: may not be correct */
5811 pstrcpy(tde->d_name, tnamelen, de->d_name);
5812 de = (struct linux_dirent *)((char *)de + reclen);
5813 len -= reclen;
5814 tde = (struct target_dirent *)((char *)tde + treclen);
5815 count1 += treclen;
5816 }
5817 ret = count1;
5818 unlock_user(target_dirp, arg2, ret);
5819 }
5820 free(dirp);
5821 }
5822 #else
5823 {
5824 struct linux_dirent *dirp;
5825 abi_long count = arg3;
5826
5827 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5828 goto efault;
5829 ret = get_errno(sys_getdents(arg1, dirp, count));
5830 if (!is_error(ret)) {
5831 struct linux_dirent *de;
5832 int len = ret;
5833 int reclen;
5834 de = dirp;
5835 while (len > 0) {
5836 reclen = de->d_reclen;
5837 if (reclen > len)
5838 break;
5839 de->d_reclen = tswap16(reclen);
5840 tswapls(&de->d_ino);
5841 tswapls(&de->d_off);
5842 de = (struct linux_dirent *)((char *)de + reclen);
5843 len -= reclen;
5844 }
5845 }
5846 unlock_user(dirp, arg2, ret);
5847 }
5848 #endif
5849 break;
5850 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
5851 case TARGET_NR_getdents64:
5852 {
5853 struct linux_dirent64 *dirp;
5854 abi_long count = arg3;
5855 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5856 goto efault;
5857 ret = get_errno(sys_getdents64(arg1, dirp, count));
5858 if (!is_error(ret)) {
5859 struct linux_dirent64 *de;
5860 int len = ret;
5861 int reclen;
5862 de = dirp;
5863 while (len > 0) {
5864 reclen = de->d_reclen;
5865 if (reclen > len)
5866 break;
5867 de->d_reclen = tswap16(reclen);
5868 tswap64s((uint64_t *)&de->d_ino);
5869 tswap64s((uint64_t *)&de->d_off);
5870 de = (struct linux_dirent64 *)((char *)de + reclen);
5871 len -= reclen;
5872 }
5873 }
5874 unlock_user(dirp, arg2, ret);
5875 }
5876 break;
5877 #endif /* TARGET_NR_getdents64 */
5878 #ifdef TARGET_NR__newselect
5879 case TARGET_NR__newselect:
5880 ret = do_select(arg1, arg2, arg3, arg4, arg5);
5881 break;
5882 #endif
5883 #ifdef TARGET_NR_poll
5884 case TARGET_NR_poll:
5885 {
5886 struct target_pollfd *target_pfd;
5887 unsigned int nfds = arg2;
5888 int timeout = arg3;
5889 struct pollfd *pfd;
5890 unsigned int i;
5891
5892 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5893 if (!target_pfd)
5894 goto efault;
5895 pfd = alloca(sizeof(struct pollfd) * nfds);
5896 for(i = 0; i < nfds; i++) {
5897 pfd[i].fd = tswap32(target_pfd[i].fd);
5898 pfd[i].events = tswap16(target_pfd[i].events);
5899 }
5900 ret = get_errno(poll(pfd, nfds, timeout));
5901 if (!is_error(ret)) {
5902 for(i = 0; i < nfds; i++) {
5903 target_pfd[i].revents = tswap16(pfd[i].revents);
5904 }
5905 ret += nfds * (sizeof(struct target_pollfd)
5906 - sizeof(struct pollfd));
5907 }
5908 unlock_user(target_pfd, arg1, ret);
5909 }
5910 break;
5911 #endif
5912 case TARGET_NR_flock:
5913 /* NOTE: the flock constant seems to be the same for every
5914 Linux platform */
5915 ret = get_errno(flock(arg1, arg2));
5916 break;
5917 case TARGET_NR_readv:
5918 {
5919 int count = arg3;
5920 struct iovec *vec;
5921
5922 vec = alloca(count * sizeof(struct iovec));
5923 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
5924 goto efault;
5925 ret = get_errno(readv(arg1, vec, count));
5926 unlock_iovec(vec, arg2, count, 1);
5927 }
5928 break;
5929 case TARGET_NR_writev:
5930 {
5931 int count = arg3;
5932 struct iovec *vec;
5933
5934 vec = alloca(count * sizeof(struct iovec));
5935 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
5936 goto efault;
5937 ret = get_errno(writev(arg1, vec, count));
5938 unlock_iovec(vec, arg2, count, 0);
5939 }
5940 break;
5941 case TARGET_NR_getsid:
5942 ret = get_errno(getsid(arg1));
5943 break;
5944 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
5945 case TARGET_NR_fdatasync:
5946 ret = get_errno(fdatasync(arg1));
5947 break;
5948 #endif
5949 case TARGET_NR__sysctl:
5950 /* We don't implement this, but ENOTDIR is always a safe
5951 return value. */
5952 ret = -TARGET_ENOTDIR;
5953 break;
5954 case TARGET_NR_sched_setparam:
5955 {
5956 struct sched_param *target_schp;
5957 struct sched_param schp;
5958
5959 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5960 goto efault;
5961 schp.sched_priority = tswap32(target_schp->sched_priority);
5962 unlock_user_struct(target_schp, arg2, 0);
5963 ret = get_errno(sched_setparam(arg1, &schp));
5964 }
5965 break;
5966 case TARGET_NR_sched_getparam:
5967 {
5968 struct sched_param *target_schp;
5969 struct sched_param schp;
5970 ret = get_errno(sched_getparam(arg1, &schp));
5971 if (!is_error(ret)) {
5972 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
5973 goto efault;
5974 target_schp->sched_priority = tswap32(schp.sched_priority);
5975 unlock_user_struct(target_schp, arg2, 1);
5976 }
5977 }
5978 break;
5979 case TARGET_NR_sched_setscheduler:
5980 {
5981 struct sched_param *target_schp;
5982 struct sched_param schp;
5983 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
5984 goto efault;
5985 schp.sched_priority = tswap32(target_schp->sched_priority);
5986 unlock_user_struct(target_schp, arg3, 0);
5987 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
5988 }
5989 break;
5990 case TARGET_NR_sched_getscheduler:
5991 ret = get_errno(sched_getscheduler(arg1));
5992 break;
5993 case TARGET_NR_sched_yield:
5994 ret = get_errno(sched_yield());
5995 break;
5996 case TARGET_NR_sched_get_priority_max:
5997 ret = get_errno(sched_get_priority_max(arg1));
5998 break;
5999 case TARGET_NR_sched_get_priority_min:
6000 ret = get_errno(sched_get_priority_min(arg1));
6001 break;
6002 case TARGET_NR_sched_rr_get_interval:
6003 {
6004 struct timespec ts;
6005 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6006 if (!is_error(ret)) {
6007 host_to_target_timespec(arg2, &ts);
6008 }
6009 }
6010 break;
6011 case TARGET_NR_nanosleep:
6012 {
6013 struct timespec req, rem;
6014 target_to_host_timespec(&req, arg1);
6015 ret = get_errno(nanosleep(&req, &rem));
6016 if (is_error(ret) && arg2) {
6017 host_to_target_timespec(arg2, &rem);
6018 }
6019 }
6020 break;
6021 #ifdef TARGET_NR_query_module
6022 case TARGET_NR_query_module:
6023 goto unimplemented;
6024 #endif
6025 #ifdef TARGET_NR_nfsservctl
6026 case TARGET_NR_nfsservctl:
6027 goto unimplemented;
6028 #endif
6029 case TARGET_NR_prctl:
6030 switch (arg1)
6031 {
6032 case PR_GET_PDEATHSIG:
6033 {
6034 int deathsig;
6035 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
6036 if (!is_error(ret) && arg2
6037 && put_user_ual(deathsig, arg2))
6038 goto efault;
6039 }
6040 break;
6041 default:
6042 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6043 break;
6044 }
6045 break;
6046 #ifdef TARGET_NR_arch_prctl
6047 case TARGET_NR_arch_prctl:
6048 #if defined(TARGET_I386) && !defined(TARGET_ABI32)
6049 ret = do_arch_prctl(cpu_env, arg1, arg2);
6050 break;
6051 #else
6052 goto unimplemented;
6053 #endif
6054 #endif
6055 #ifdef TARGET_NR_pread
6056 case TARGET_NR_pread:
6057 #ifdef TARGET_ARM
6058 if (((CPUARMState *)cpu_env)->eabi)
6059 arg4 = arg5;
6060 #endif
6061 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6062 goto efault;
6063 ret = get_errno(pread(arg1, p, arg3, arg4));
6064 unlock_user(p, arg2, ret);
6065 break;
6066 case TARGET_NR_pwrite:
6067 #ifdef TARGET_ARM
6068 if (((CPUARMState *)cpu_env)->eabi)
6069 arg4 = arg5;
6070 #endif
6071 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6072 goto efault;
6073 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6074 unlock_user(p, arg2, 0);
6075 break;
6076 #endif
6077 #ifdef TARGET_NR_pread64
6078 case TARGET_NR_pread64:
6079 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6080 goto efault;
6081 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6082 unlock_user(p, arg2, ret);
6083 break;
6084 case TARGET_NR_pwrite64:
6085 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6086 goto efault;
6087 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6088 unlock_user(p, arg2, 0);
6089 break;
6090 #endif
6091 case TARGET_NR_getcwd:
6092 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6093 goto efault;
6094 ret = get_errno(sys_getcwd1(p, arg2));
6095 unlock_user(p, arg1, ret);
6096 break;
6097 case TARGET_NR_capget:
6098 goto unimplemented;
6099 case TARGET_NR_capset:
6100 goto unimplemented;
6101 case TARGET_NR_sigaltstack:
6102 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
6103 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
6104 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
6105 break;
6106 #else
6107 goto unimplemented;
6108 #endif
6109 case TARGET_NR_sendfile:
6110 goto unimplemented;
6111 #ifdef TARGET_NR_getpmsg
6112 case TARGET_NR_getpmsg:
6113 goto unimplemented;
6114 #endif
6115 #ifdef TARGET_NR_putpmsg
6116 case TARGET_NR_putpmsg:
6117 goto unimplemented;
6118 #endif
6119 #ifdef TARGET_NR_vfork
6120 case TARGET_NR_vfork:
6121 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6122 0, 0, 0, 0));
6123 break;
6124 #endif
6125 #ifdef TARGET_NR_ugetrlimit
6126 case TARGET_NR_ugetrlimit:
6127 {
6128 struct rlimit rlim;
6129 ret = get_errno(getrlimit(arg1, &rlim));
6130 if (!is_error(ret)) {
6131 struct target_rlimit *target_rlim;
6132 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6133 goto efault;
6134 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
6135 target_rlim->rlim_max = tswapl(rlim.rlim_max);
6136 unlock_user_struct(target_rlim, arg2, 1);
6137 }
6138 break;
6139 }
6140 #endif
6141 #ifdef TARGET_NR_truncate64
6142 case TARGET_NR_truncate64:
6143 if (!(p = lock_user_string(arg1)))
6144 goto efault;
6145 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6146 unlock_user(p, arg1, 0);
6147 break;
6148 #endif
6149 #ifdef TARGET_NR_ftruncate64
6150 case TARGET_NR_ftruncate64:
6151 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
6152 break;
6153 #endif
6154 #ifdef TARGET_NR_stat64
6155 case TARGET_NR_stat64:
6156 if (!(p = lock_user_string(arg1)))
6157 goto efault;
6158 ret = get_errno(stat(path(p), &st));
6159 unlock_user(p, arg1, 0);
6160 if (!is_error(ret))
6161 ret = host_to_target_stat64(cpu_env, arg2, &st);
6162 break;
6163 #endif
6164 #ifdef TARGET_NR_lstat64
6165 case TARGET_NR_lstat64:
6166 if (!(p = lock_user_string(arg1)))
6167 goto efault;
6168 ret = get_errno(lstat(path(p), &st));
6169 unlock_user(p, arg1, 0);
6170 if (!is_error(ret))
6171 ret = host_to_target_stat64(cpu_env, arg2, &st);
6172 break;
6173 #endif
6174 #ifdef TARGET_NR_fstat64
6175 case TARGET_NR_fstat64:
6176 ret = get_errno(fstat(arg1, &st));
6177 if (!is_error(ret))
6178 ret = host_to_target_stat64(cpu_env, arg2, &st);
6179 break;
6180 #endif
6181 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6182 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6183 #ifdef TARGET_NR_fstatat64
6184 case TARGET_NR_fstatat64:
6185 #endif
6186 #ifdef TARGET_NR_newfstatat
6187 case TARGET_NR_newfstatat:
6188 #endif
6189 if (!(p = lock_user_string(arg2)))
6190 goto efault;
6191 #ifdef __NR_fstatat64
6192 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
6193 #else
6194 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6195 #endif
6196 if (!is_error(ret))
6197 ret = host_to_target_stat64(cpu_env, arg3, &st);
6198 break;
6199 #endif
6200 #ifdef USE_UID16
6201 case TARGET_NR_lchown:
6202 if (!(p = lock_user_string(arg1)))
6203 goto efault;
6204 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6205 unlock_user(p, arg1, 0);
6206 break;
6207 case TARGET_NR_getuid:
6208 ret = get_errno(high2lowuid(getuid()));
6209 break;
6210 case TARGET_NR_getgid:
6211 ret = get_errno(high2lowgid(getgid()));
6212 break;
6213 case TARGET_NR_geteuid:
6214 ret = get_errno(high2lowuid(geteuid()));
6215 break;
6216 case TARGET_NR_getegid:
6217 ret = get_errno(high2lowgid(getegid()));
6218 break;
6219 case TARGET_NR_setreuid:
6220 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6221 break;
6222 case TARGET_NR_setregid:
6223 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6224 break;
6225 case TARGET_NR_getgroups:
6226 {
6227 int gidsetsize = arg1;
6228 uint16_t *target_grouplist;
6229 gid_t *grouplist;
6230 int i;
6231
6232 grouplist = alloca(gidsetsize * sizeof(gid_t));
6233 ret = get_errno(getgroups(gidsetsize, grouplist));
6234 if (gidsetsize == 0)
6235 break;
6236 if (!is_error(ret)) {
6237 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6238 if (!target_grouplist)
6239 goto efault;
6240 for(i = 0;i < ret; i++)
6241 target_grouplist[i] = tswap16(grouplist[i]);
6242 unlock_user(target_grouplist, arg2, gidsetsize * 2);
6243 }
6244 }
6245 break;
6246 case TARGET_NR_setgroups:
6247 {
6248 int gidsetsize = arg1;
6249 uint16_t *target_grouplist;
6250 gid_t *grouplist;
6251 int i;
6252
6253 grouplist = alloca(gidsetsize * sizeof(gid_t));
6254 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6255 if (!target_grouplist) {
6256 ret = -TARGET_EFAULT;
6257 goto fail;
6258 }
6259 for(i = 0;i < gidsetsize; i++)
6260 grouplist[i] = tswap16(target_grouplist[i]);
6261 unlock_user(target_grouplist, arg2, 0);
6262 ret = get_errno(setgroups(gidsetsize, grouplist));
6263 }
6264 break;
6265 case TARGET_NR_fchown:
6266 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6267 break;
6268 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6269 case TARGET_NR_fchownat:
6270 if (!(p = lock_user_string(arg2)))
6271 goto efault;
6272 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6273 unlock_user(p, arg2, 0);
6274 break;
6275 #endif
6276 #ifdef TARGET_NR_setresuid
6277 case TARGET_NR_setresuid:
6278 ret = get_errno(setresuid(low2highuid(arg1),
6279 low2highuid(arg2),
6280 low2highuid(arg3)));
6281 break;
6282 #endif
6283 #ifdef TARGET_NR_getresuid
6284 case TARGET_NR_getresuid:
6285 {
6286 uid_t ruid, euid, suid;
6287 ret = get_errno(getresuid(&ruid, &euid, &suid));
6288 if (!is_error(ret)) {
6289 if (put_user_u16(high2lowuid(ruid), arg1)
6290 || put_user_u16(high2lowuid(euid), arg2)
6291 || put_user_u16(high2lowuid(suid), arg3))
6292 goto efault;
6293 }
6294 }
6295 break;
6296 #endif
6297 #ifdef TARGET_NR_getresgid
6298 case TARGET_NR_setresgid:
6299 ret = get_errno(setresgid(low2highgid(arg1),
6300 low2highgid(arg2),
6301 low2highgid(arg3)));
6302 break;
6303 #endif
6304 #ifdef TARGET_NR_getresgid
6305 case TARGET_NR_getresgid:
6306 {
6307 gid_t rgid, egid, sgid;
6308 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6309 if (!is_error(ret)) {
6310 if (put_user_u16(high2lowgid(rgid), arg1)
6311 || put_user_u16(high2lowgid(egid), arg2)
6312 || put_user_u16(high2lowgid(sgid), arg3))
6313 goto efault;
6314 }
6315 }
6316 break;
6317 #endif
6318 case TARGET_NR_chown:
6319 if (!(p = lock_user_string(arg1)))
6320 goto efault;
6321 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6322 unlock_user(p, arg1, 0);
6323 break;
6324 case TARGET_NR_setuid:
6325 ret = get_errno(setuid(low2highuid(arg1)));
6326 break;
6327 case TARGET_NR_setgid:
6328 ret = get_errno(setgid(low2highgid(arg1)));
6329 break;
6330 case TARGET_NR_setfsuid:
6331 ret = get_errno(setfsuid(arg1));
6332 break;
6333 case TARGET_NR_setfsgid:
6334 ret = get_errno(setfsgid(arg1));
6335 break;
6336 #endif /* USE_UID16 */
6337
6338 #ifdef TARGET_NR_lchown32
6339 case TARGET_NR_lchown32:
6340 if (!(p = lock_user_string(arg1)))
6341 goto efault;
6342 ret = get_errno(lchown(p, arg2, arg3));
6343 unlock_user(p, arg1, 0);
6344 break;
6345 #endif
6346 #ifdef TARGET_NR_getuid32
6347 case TARGET_NR_getuid32:
6348 ret = get_errno(getuid());
6349 break;
6350 #endif
6351
6352 #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6353 /* Alpha specific */
6354 case TARGET_NR_getxuid:
6355 {
6356 uid_t euid;
6357 euid=geteuid();
6358 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6359 }
6360 ret = get_errno(getuid());
6361 break;
6362 #endif
6363 #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6364 /* Alpha specific */
6365 case TARGET_NR_getxgid:
6366 {
6367 uid_t egid;
6368 egid=getegid();
6369 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6370 }
6371 ret = get_errno(getgid());
6372 break;
6373 #endif
6374
6375 #ifdef TARGET_NR_getgid32
6376 case TARGET_NR_getgid32:
6377 ret = get_errno(getgid());
6378 break;
6379 #endif
6380 #ifdef TARGET_NR_geteuid32
6381 case TARGET_NR_geteuid32:
6382 ret = get_errno(geteuid());
6383 break;
6384 #endif
6385 #ifdef TARGET_NR_getegid32
6386 case TARGET_NR_getegid32:
6387 ret = get_errno(getegid());
6388 break;
6389 #endif
6390 #ifdef TARGET_NR_setreuid32
6391 case TARGET_NR_setreuid32:
6392 ret = get_errno(setreuid(arg1, arg2));
6393 break;
6394 #endif
6395 #ifdef TARGET_NR_setregid32
6396 case TARGET_NR_setregid32:
6397 ret = get_errno(setregid(arg1, arg2));
6398 break;
6399 #endif
6400 #ifdef TARGET_NR_getgroups32
6401 case TARGET_NR_getgroups32:
6402 {
6403 int gidsetsize = arg1;
6404 uint32_t *target_grouplist;
6405 gid_t *grouplist;
6406 int i;
6407
6408 grouplist = alloca(gidsetsize * sizeof(gid_t));
6409 ret = get_errno(getgroups(gidsetsize, grouplist));
6410 if (gidsetsize == 0)
6411 break;
6412 if (!is_error(ret)) {
6413 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6414 if (!target_grouplist) {
6415 ret = -TARGET_EFAULT;
6416 goto fail;
6417 }
6418 for(i = 0;i < ret; i++)
6419 target_grouplist[i] = tswap32(grouplist[i]);
6420 unlock_user(target_grouplist, arg2, gidsetsize * 4);
6421 }
6422 }
6423 break;
6424 #endif
6425 #ifdef TARGET_NR_setgroups32
6426 case TARGET_NR_setgroups32:
6427 {
6428 int gidsetsize = arg1;
6429 uint32_t *target_grouplist;
6430 gid_t *grouplist;
6431 int i;
6432
6433 grouplist = alloca(gidsetsize * sizeof(gid_t));
6434 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6435 if (!target_grouplist) {
6436 ret = -TARGET_EFAULT;
6437 goto fail;
6438 }
6439 for(i = 0;i < gidsetsize; i++)
6440 grouplist[i] = tswap32(target_grouplist[i]);
6441 unlock_user(target_grouplist, arg2, 0);
6442 ret = get_errno(setgroups(gidsetsize, grouplist));
6443 }
6444 break;
6445 #endif
6446 #ifdef TARGET_NR_fchown32
6447 case TARGET_NR_fchown32:
6448 ret = get_errno(fchown(arg1, arg2, arg3));
6449 break;
6450 #endif
6451 #ifdef TARGET_NR_setresuid32
6452 case TARGET_NR_setresuid32:
6453 ret = get_errno(setresuid(arg1, arg2, arg3));
6454 break;
6455 #endif
6456 #ifdef TARGET_NR_getresuid32
6457 case TARGET_NR_getresuid32:
6458 {
6459 uid_t ruid, euid, suid;
6460 ret = get_errno(getresuid(&ruid, &euid, &suid));
6461 if (!is_error(ret)) {
6462 if (put_user_u32(ruid, arg1)
6463 || put_user_u32(euid, arg2)
6464 || put_user_u32(suid, arg3))
6465 goto efault;
6466 }
6467 }
6468 break;
6469 #endif
6470 #ifdef TARGET_NR_setresgid32
6471 case TARGET_NR_setresgid32:
6472 ret = get_errno(setresgid(arg1, arg2, arg3));
6473 break;
6474 #endif
6475 #ifdef TARGET_NR_getresgid32
6476 case TARGET_NR_getresgid32:
6477 {
6478 gid_t rgid, egid, sgid;
6479 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6480 if (!is_error(ret)) {
6481 if (put_user_u32(rgid, arg1)
6482 || put_user_u32(egid, arg2)
6483 || put_user_u32(sgid, arg3))
6484 goto efault;
6485 }
6486 }
6487 break;
6488 #endif
6489 #ifdef TARGET_NR_chown32
6490 case TARGET_NR_chown32:
6491 if (!(p = lock_user_string(arg1)))
6492 goto efault;
6493 ret = get_errno(chown(p, arg2, arg3));
6494 unlock_user(p, arg1, 0);
6495 break;
6496 #endif
6497 #ifdef TARGET_NR_setuid32
6498 case TARGET_NR_setuid32:
6499 ret = get_errno(setuid(arg1));
6500 break;
6501 #endif
6502 #ifdef TARGET_NR_setgid32
6503 case TARGET_NR_setgid32:
6504 ret = get_errno(setgid(arg1));
6505 break;
6506 #endif
6507 #ifdef TARGET_NR_setfsuid32
6508 case TARGET_NR_setfsuid32:
6509 ret = get_errno(setfsuid(arg1));
6510 break;
6511 #endif
6512 #ifdef TARGET_NR_setfsgid32
6513 case TARGET_NR_setfsgid32:
6514 ret = get_errno(setfsgid(arg1));
6515 break;
6516 #endif
6517
6518 case TARGET_NR_pivot_root:
6519 goto unimplemented;
6520 #ifdef TARGET_NR_mincore
6521 case TARGET_NR_mincore:
6522 {
6523 void *a;
6524 ret = -TARGET_EFAULT;
6525 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6526 goto efault;
6527 if (!(p = lock_user_string(arg3)))
6528 goto mincore_fail;
6529 ret = get_errno(mincore(a, arg2, p));
6530 unlock_user(p, arg3, ret);
6531 mincore_fail:
6532 unlock_user(a, arg1, 0);
6533 }
6534 break;
6535 #endif
6536 #ifdef TARGET_NR_arm_fadvise64_64
6537 case TARGET_NR_arm_fadvise64_64:
6538 {
6539 /*
6540 * arm_fadvise64_64 looks like fadvise64_64 but
6541 * with different argument order
6542 */
6543 abi_long temp;
6544 temp = arg3;
6545 arg3 = arg4;
6546 arg4 = temp;
6547 }
6548 #endif
6549 #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
6550 #ifdef TARGET_NR_fadvise64_64
6551 case TARGET_NR_fadvise64_64:
6552 #endif
6553 /* This is a hint, so ignoring and returning success is ok. */
6554 ret = get_errno(0);
6555 break;
6556 #endif
6557 #ifdef TARGET_NR_madvise
6558 case TARGET_NR_madvise:
6559 /* A straight passthrough may not be safe because qemu sometimes
6560 turns private flie-backed mappings into anonymous mappings.
6561 This will break MADV_DONTNEED.
6562 This is a hint, so ignoring and returning success is ok. */
6563 ret = get_errno(0);
6564 break;
6565 #endif
6566 #if TARGET_ABI_BITS == 32
6567 case TARGET_NR_fcntl64:
6568 {
6569 int cmd;
6570 struct flock64 fl;
6571 struct target_flock64 *target_fl;
6572 #ifdef TARGET_ARM
6573 struct target_eabi_flock64 *target_efl;
6574 #endif
6575
6576 cmd = target_to_host_fcntl_cmd(arg2);
6577 if (cmd == -TARGET_EINVAL)
6578 return cmd;
6579
6580 switch(arg2) {
6581 case TARGET_F_GETLK64:
6582 #ifdef TARGET_ARM
6583 if (((CPUARMState *)cpu_env)->eabi) {
6584 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6585 goto efault;
6586 fl.l_type = tswap16(target_efl->l_type);
6587 fl.l_whence = tswap16(target_efl->l_whence);
6588 fl.l_start = tswap64(target_efl->l_start);
6589 fl.l_len = tswap64(target_efl->l_len);
6590 fl.l_pid = tswapl(target_efl->l_pid);
6591 unlock_user_struct(target_efl, arg3, 0);
6592 } else
6593 #endif
6594 {
6595 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6596 goto efault;
6597 fl.l_type = tswap16(target_fl->l_type);
6598 fl.l_whence = tswap16(target_fl->l_whence);
6599 fl.l_start = tswap64(target_fl->l_start);
6600 fl.l_len = tswap64(target_fl->l_len);
6601 fl.l_pid = tswapl(target_fl->l_pid);
6602 unlock_user_struct(target_fl, arg3, 0);
6603 }
6604 ret = get_errno(fcntl(arg1, cmd, &fl));
6605 if (ret == 0) {
6606 #ifdef TARGET_ARM
6607 if (((CPUARMState *)cpu_env)->eabi) {
6608 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6609 goto efault;
6610 target_efl->l_type = tswap16(fl.l_type);
6611 target_efl->l_whence = tswap16(fl.l_whence);
6612 target_efl->l_start = tswap64(fl.l_start);
6613 target_efl->l_len = tswap64(fl.l_len);
6614 target_efl->l_pid = tswapl(fl.l_pid);
6615 unlock_user_struct(target_efl, arg3, 1);
6616 } else
6617 #endif
6618 {
6619 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6620 goto efault;
6621 target_fl->l_type = tswap16(fl.l_type);
6622 target_fl->l_whence = tswap16(fl.l_whence);
6623 target_fl->l_start = tswap64(fl.l_start);
6624 target_fl->l_len = tswap64(fl.l_len);
6625 target_fl->l_pid = tswapl(fl.l_pid);
6626 unlock_user_struct(target_fl, arg3, 1);
6627 }
6628 }
6629 break;
6630
6631 case TARGET_F_SETLK64:
6632 case TARGET_F_SETLKW64:
6633 #ifdef TARGET_ARM
6634 if (((CPUARMState *)cpu_env)->eabi) {
6635 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6636 goto efault;
6637 fl.l_type = tswap16(target_efl->l_type);
6638 fl.l_whence = tswap16(target_efl->l_whence);
6639 fl.l_start = tswap64(target_efl->l_start);
6640 fl.l_len = tswap64(target_efl->l_len);
6641 fl.l_pid = tswapl(target_efl->l_pid);
6642 unlock_user_struct(target_efl, arg3, 0);
6643 } else
6644 #endif
6645 {
6646 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6647 goto efault;
6648 fl.l_type = tswap16(target_fl->l_type);
6649 fl.l_whence = tswap16(target_fl->l_whence);
6650 fl.l_start = tswap64(target_fl->l_start);
6651 fl.l_len = tswap64(target_fl->l_len);
6652 fl.l_pid = tswapl(target_fl->l_pid);
6653 unlock_user_struct(target_fl, arg3, 0);
6654 }
6655 ret = get_errno(fcntl(arg1, cmd, &fl));
6656 break;
6657 default:
6658 ret = do_fcntl(arg1, arg2, arg3);
6659 break;
6660 }
6661 break;
6662 }
6663 #endif
6664 #ifdef TARGET_NR_cacheflush
6665 case TARGET_NR_cacheflush:
6666 /* self-modifying code is handled automatically, so nothing needed */
6667 ret = 0;
6668 break;
6669 #endif
6670 #ifdef TARGET_NR_security
6671 case TARGET_NR_security:
6672 goto unimplemented;
6673 #endif
6674 #ifdef TARGET_NR_getpagesize
6675 case TARGET_NR_getpagesize:
6676 ret = TARGET_PAGE_SIZE;
6677 break;
6678 #endif
6679 case TARGET_NR_gettid:
6680 ret = get_errno(gettid());
6681 break;
6682 #ifdef TARGET_NR_readahead
6683 case TARGET_NR_readahead:
6684 #if TARGET_ABI_BITS == 32
6685 #ifdef TARGET_ARM
6686 if (((CPUARMState *)cpu_env)->eabi)
6687 {
6688 arg2 = arg3;
6689 arg3 = arg4;
6690 arg4 = arg5;
6691 }
6692 #endif
6693 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
6694 #else
6695 ret = get_errno(readahead(arg1, arg2, arg3));
6696 #endif
6697 break;
6698 #endif
6699 #ifdef TARGET_NR_setxattr
6700 case TARGET_NR_setxattr:
6701 case TARGET_NR_lsetxattr:
6702 case TARGET_NR_fsetxattr:
6703 case TARGET_NR_getxattr:
6704 case TARGET_NR_lgetxattr:
6705 case TARGET_NR_fgetxattr:
6706 case TARGET_NR_listxattr:
6707 case TARGET_NR_llistxattr:
6708 case TARGET_NR_flistxattr:
6709 case TARGET_NR_removexattr:
6710 case TARGET_NR_lremovexattr:
6711 case TARGET_NR_fremovexattr:
6712 ret = -TARGET_EOPNOTSUPP;
6713 break;
6714 #endif
6715 #ifdef TARGET_NR_set_thread_area
6716 case TARGET_NR_set_thread_area:
6717 #if defined(TARGET_MIPS)
6718 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
6719 ret = 0;
6720 break;
6721 #elif defined(TARGET_CRIS)
6722 if (arg1 & 0xff)
6723 ret = -TARGET_EINVAL;
6724 else {
6725 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
6726 ret = 0;
6727 }
6728 break;
6729 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
6730 ret = do_set_thread_area(cpu_env, arg1);
6731 break;
6732 #else
6733 goto unimplemented_nowarn;
6734 #endif
6735 #endif
6736 #ifdef TARGET_NR_get_thread_area
6737 case TARGET_NR_get_thread_area:
6738 #if defined(TARGET_I386) && defined(TARGET_ABI32)
6739 ret = do_get_thread_area(cpu_env, arg1);
6740 #else
6741 goto unimplemented_nowarn;
6742 #endif
6743 #endif
6744 #ifdef TARGET_NR_getdomainname
6745 case TARGET_NR_getdomainname:
6746 goto unimplemented_nowarn;
6747 #endif
6748
6749 #ifdef TARGET_NR_clock_gettime
6750 case TARGET_NR_clock_gettime:
6751 {
6752 struct timespec ts;
6753 ret = get_errno(clock_gettime(arg1, &ts));
6754 if (!is_error(ret)) {
6755 host_to_target_timespec(arg2, &ts);
6756 }
6757 break;
6758 }
6759 #endif
6760 #ifdef TARGET_NR_clock_getres
6761 case TARGET_NR_clock_getres:
6762 {
6763 struct timespec ts;
6764 ret = get_errno(clock_getres(arg1, &ts));
6765 if (!is_error(ret)) {
6766 host_to_target_timespec(arg2, &ts);
6767 }
6768 break;
6769 }
6770 #endif
6771 #ifdef TARGET_NR_clock_nanosleep
6772 case TARGET_NR_clock_nanosleep:
6773 {
6774 struct timespec ts;
6775 target_to_host_timespec(&ts, arg3);
6776 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
6777 if (arg4)
6778 host_to_target_timespec(arg4, &ts);
6779 break;
6780 }
6781 #endif
6782
6783 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6784 case TARGET_NR_set_tid_address:
6785 ret = get_errno(set_tid_address((int *)g2h(arg1)));
6786 break;
6787 #endif
6788
6789 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
6790 case TARGET_NR_tkill:
6791 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
6792 break;
6793 #endif
6794
6795 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
6796 case TARGET_NR_tgkill:
6797 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
6798 target_to_host_signal(arg3)));
6799 break;
6800 #endif
6801
6802 #ifdef TARGET_NR_set_robust_list
6803 case TARGET_NR_set_robust_list:
6804 goto unimplemented_nowarn;
6805 #endif
6806
6807 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6808 case TARGET_NR_utimensat:
6809 {
6810 struct timespec *tsp, ts[2];
6811 if (!arg3) {
6812 tsp = NULL;
6813 } else {
6814 target_to_host_timespec(ts, arg3);
6815 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6816 tsp = ts;
6817 }
6818 if (!arg2)
6819 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
6820 else {
6821 if (!(p = lock_user_string(arg2))) {
6822 ret = -TARGET_EFAULT;
6823 goto fail;
6824 }
6825 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
6826 unlock_user(p, arg2, 0);
6827 }
6828 }
6829 break;
6830 #endif
6831 #if defined(USE_NPTL)
6832 case TARGET_NR_futex:
6833 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
6834 break;
6835 #endif
6836 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
6837 case TARGET_NR_inotify_init:
6838 ret = get_errno(sys_inotify_init());
6839 break;
6840 #endif
6841 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
6842 case TARGET_NR_inotify_add_watch:
6843 p = lock_user_string(arg2);
6844 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
6845 unlock_user(p, arg2, 0);
6846 break;
6847 #endif
6848 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
6849 case TARGET_NR_inotify_rm_watch:
6850 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
6851 break;
6852 #endif
6853
6854 #ifdef TARGET_NR_mq_open
6855 case TARGET_NR_mq_open:
6856 {
6857 struct mq_attr posix_mq_attr;
6858
6859 p = lock_user_string(arg1 - 1);
6860 if (arg4 != 0)
6861 copy_from_user_mq_attr (&posix_mq_attr, arg4);
6862 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
6863 unlock_user (p, arg1, 0);
6864 }
6865 break;
6866
6867 case TARGET_NR_mq_unlink:
6868 p = lock_user_string(arg1 - 1);
6869 ret = get_errno(mq_unlink(p));
6870 unlock_user (p, arg1, 0);
6871 break;
6872
6873 case TARGET_NR_mq_timedsend:
6874 {
6875 struct timespec ts;
6876
6877 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6878 if (arg5 != 0) {
6879 target_to_host_timespec(&ts, arg5);
6880 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
6881 host_to_target_timespec(arg5, &ts);
6882 }
6883 else
6884 ret = get_errno(mq_send(arg1, p, arg3, arg4));
6885 unlock_user (p, arg2, arg3);
6886 }
6887 break;
6888
6889 case TARGET_NR_mq_timedreceive:
6890 {
6891 struct timespec ts;
6892 unsigned int prio;
6893
6894 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6895 if (arg5 != 0) {
6896 target_to_host_timespec(&ts, arg5);
6897 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
6898 host_to_target_timespec(arg5, &ts);
6899 }
6900 else
6901 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
6902 unlock_user (p, arg2, arg3);
6903 if (arg4 != 0)
6904 put_user_u32(prio, arg4);
6905 }
6906 break;
6907
6908 /* Not implemented for now... */
6909 /* case TARGET_NR_mq_notify: */
6910 /* break; */
6911
6912 case TARGET_NR_mq_getsetattr:
6913 {
6914 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
6915 ret = 0;
6916 if (arg3 != 0) {
6917 ret = mq_getattr(arg1, &posix_mq_attr_out);
6918 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
6919 }
6920 if (arg2 != 0) {
6921 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
6922 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
6923 }
6924
6925 }
6926 break;
6927 #endif
6928
6929 #ifdef CONFIG_SPLICE
6930 #ifdef TARGET_NR_tee
6931 case TARGET_NR_tee:
6932 {
6933 ret = get_errno(tee(arg1,arg2,arg3,arg4));
6934 }
6935 break;
6936 #endif
6937 #ifdef TARGET_NR_splice
6938 case TARGET_NR_splice:
6939 {
6940 loff_t loff_in, loff_out;
6941 loff_t *ploff_in = NULL, *ploff_out = NULL;
6942 if(arg2) {
6943 get_user_u64(loff_in, arg2);
6944 ploff_in = &loff_in;
6945 }
6946 if(arg4) {
6947 get_user_u64(loff_out, arg2);
6948 ploff_out = &loff_out;
6949 }
6950 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
6951 }
6952 break;
6953 #endif
6954 #ifdef TARGET_NR_vmsplice
6955 case TARGET_NR_vmsplice:
6956 {
6957 int count = arg3;
6958 struct iovec *vec;
6959
6960 vec = alloca(count * sizeof(struct iovec));
6961 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6962 goto efault;
6963 ret = get_errno(vmsplice(arg1, vec, count, arg4));
6964 unlock_iovec(vec, arg2, count, 0);
6965 }
6966 break;
6967 #endif
6968 #endif /* CONFIG_SPLICE */
6969 default:
6970 unimplemented:
6971 gemu_log("qemu: Unsupported syscall: %d\n", num);
6972 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
6973 unimplemented_nowarn:
6974 #endif
6975 ret = -TARGET_ENOSYS;
6976 break;
6977 }
6978 fail:
6979 #ifdef DEBUG
6980 gemu_log(" = %ld\n", ret);
6981 #endif
6982 if(do_strace)
6983 print_syscall_ret(num, ret);
6984 return ret;
6985 efault:
6986 ret = -TARGET_EFAULT;
6987 goto fail;
6988 }
Patches shipped by Fedora