1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
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 <sys/types.h>
32#include <sys/ipc.h>
33#include <sys/msg.h>
34#include <sys/wait.h>
35#include <sys/time.h>
36#include <sys/stat.h>
37#include <sys/mount.h>
38#include <sys/prctl.h>
39#include <sys/resource.h>
40#include <sys/mman.h>
41#include <sys/swap.h>
42#include <signal.h>
43#include <sched.h>
44#ifdef __ia64__
45int __clone2(int (*fn)(void *), void *child_stack_base,
46 size_t stack_size, int flags, void *arg, ...);
47#endif
48#include <sys/socket.h>
49#include <sys/un.h>
50#include <sys/uio.h>
51#include <sys/poll.h>
52#include <sys/times.h>
53#include <sys/shm.h>
54#include <sys/sem.h>
55#include <sys/statfs.h>
56#include <utime.h>
57#include <sys/sysinfo.h>
58#include <sys/utsname.h>
59
60#include <netinet/ip.h>
61#include <netinet/tcp.h>
62#include <qemu-common.h>
63#ifdef TARGET_GPROF
64#include <sys/gmon.h>
65#endif
66#ifdef CONFIG_EVENTFD
67#include <sys/eventfd.h>
68#endif
69
70#define termios host_termios
71#define winsize host_winsize
72#define termio host_termio
73#define sgttyb host_sgttyb
74#define tchars host_tchars
75#define ltchars host_ltchars
76
77#include <linux/termios.h>
78#include <linux/unistd.h>
79#include <linux/utsname.h>
80#include <linux/cdrom.h>
81#include <linux/hdreg.h>
82#include <linux/soundcard.h>
83#include <linux/kd.h>
84#include <linux/mtio.h>
85#include <linux/fs.h>
86#include <linux/fb.h>
87#include <linux/vt.h>
88#include "linux_loop.h"
89#include "cpu-uname.h"
90
91#include "qemu.h"
92#include "qemu-common.h"
93
94#if defined(CONFIG_USE_NPTL)
95#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
96 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
97#else
98
99#define CLONE_NPTL_FLAGS2 0
100#endif
101
102
103
104
105#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
106#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
107
108
109#undef _syscall0
110#undef _syscall1
111#undef _syscall2
112#undef _syscall3
113#undef _syscall4
114#undef _syscall5
115#undef _syscall6
116
117#define _syscall0(type,name) \
118static type name (void) \
119{ \
120 return syscall(__NR_##name); \
121}
122
123#define _syscall1(type,name,type1,arg1) \
124static type name (type1 arg1) \
125{ \
126 return syscall(__NR_##name, arg1); \
127}
128
129#define _syscall2(type,name,type1,arg1,type2,arg2) \
130static type name (type1 arg1,type2 arg2) \
131{ \
132 return syscall(__NR_##name, arg1, arg2); \
133}
134
135#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
136static type name (type1 arg1,type2 arg2,type3 arg3) \
137{ \
138 return syscall(__NR_##name, arg1, arg2, arg3); \
139}
140
141#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
142static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
143{ \
144 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
145}
146
147#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
148 type5,arg5) \
149static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
150{ \
151 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
152}
153
154
155#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
156 type5,arg5,type6,arg6) \
157static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
158 type6 arg6) \
159{ \
160 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
161}
162
163
164#define __NR_sys_uname __NR_uname
165#define __NR_sys_faccessat __NR_faccessat
166#define __NR_sys_fchmodat __NR_fchmodat
167#define __NR_sys_fchownat __NR_fchownat
168#define __NR_sys_fstatat64 __NR_fstatat64
169#define __NR_sys_futimesat __NR_futimesat
170#define __NR_sys_getcwd1 __NR_getcwd
171#define __NR_sys_getdents __NR_getdents
172#define __NR_sys_getdents64 __NR_getdents64
173#define __NR_sys_getpriority __NR_getpriority
174#define __NR_sys_linkat __NR_linkat
175#define __NR_sys_mkdirat __NR_mkdirat
176#define __NR_sys_mknodat __NR_mknodat
177#define __NR_sys_newfstatat __NR_newfstatat
178#define __NR_sys_openat __NR_openat
179#define __NR_sys_readlinkat __NR_readlinkat
180#define __NR_sys_renameat __NR_renameat
181#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
182#define __NR_sys_symlinkat __NR_symlinkat
183#define __NR_sys_syslog __NR_syslog
184#define __NR_sys_tgkill __NR_tgkill
185#define __NR_sys_tkill __NR_tkill
186#define __NR_sys_unlinkat __NR_unlinkat
187#define __NR_sys_utimensat __NR_utimensat
188#define __NR_sys_futex __NR_futex
189#define __NR_sys_inotify_init __NR_inotify_init
190#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
191#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
192
193#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
194#define __NR__llseek __NR_lseek
195#endif
196
197#ifdef __NR_gettid
198_syscall0(int, gettid)
199#else
200
201
202static int gettid(void) {
203 return -ENOSYS;
204}
205#endif
206_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
207#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
208_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
209#endif
210_syscall2(int, sys_getpriority, int, which, int, who);
211#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
212_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
213 loff_t *, res, uint, wh);
214#endif
215_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
216_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
217#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
218_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
219#endif
220#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
221_syscall2(int,sys_tkill,int,tid,int,sig)
222#endif
223#ifdef __NR_exit_group
224_syscall1(int,exit_group,int,error_code)
225#endif
226#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
227_syscall1(int,set_tid_address,int *,tidptr)
228#endif
229#if defined(CONFIG_USE_NPTL)
230#if defined(TARGET_NR_futex) && defined(__NR_futex)
231_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
232 const struct timespec *,timeout,int *,uaddr2,int,val3)
233#endif
234#endif
235
236static bitmask_transtbl fcntl_flags_tbl[] = {
237 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
238 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
239 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
240 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
241 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
242 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
243 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
244 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
245 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
246 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
247 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
248 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
249 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
250#if defined(O_DIRECT)
251 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
252#endif
253 { 0, 0, 0, 0 }
254};
255
256#define COPY_UTSNAME_FIELD(dest, src) \
257 do { \
258 \
259 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
260 (dest)[__NEW_UTS_LEN] = '\0'; \
261 } while (0)
262
263static int sys_uname(struct new_utsname *buf)
264{
265 struct utsname uts_buf;
266
267 if (uname(&uts_buf) < 0)
268 return (-1);
269
270
271
272
273
274
275
276 bzero(buf, sizeof (*buf));
277 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
278 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
279 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
280 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
281 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
282#ifdef _GNU_SOURCE
283 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
284#endif
285 return (0);
286
287#undef COPY_UTSNAME_FIELD
288}
289
290static int sys_getcwd1(char *buf, size_t size)
291{
292 if (getcwd(buf, size) == NULL) {
293
294 return (-1);
295 }
296 return strlen(buf)+1;
297}
298
299#ifdef CONFIG_ATFILE
300
301
302
303
304
305#ifdef TARGET_NR_faccessat
306static int sys_faccessat(int dirfd, const char *pathname, int mode)
307{
308 return (faccessat(dirfd, pathname, mode, 0));
309}
310#endif
311#ifdef TARGET_NR_fchmodat
312static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
313{
314 return (fchmodat(dirfd, pathname, mode, 0));
315}
316#endif
317#if defined(TARGET_NR_fchownat) && defined(USE_UID16)
318static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
319 gid_t group, int flags)
320{
321 return (fchownat(dirfd, pathname, owner, group, flags));
322}
323#endif
324#ifdef __NR_fstatat64
325static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
326 int flags)
327{
328 return (fstatat(dirfd, pathname, buf, flags));
329}
330#endif
331#ifdef __NR_newfstatat
332static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
333 int flags)
334{
335 return (fstatat(dirfd, pathname, buf, flags));
336}
337#endif
338#ifdef TARGET_NR_futimesat
339static int sys_futimesat(int dirfd, const char *pathname,
340 const struct timeval times[2])
341{
342 return (futimesat(dirfd, pathname, times));
343}
344#endif
345#ifdef TARGET_NR_linkat
346static int sys_linkat(int olddirfd, const char *oldpath,
347 int newdirfd, const char *newpath, int flags)
348{
349 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
350}
351#endif
352#ifdef TARGET_NR_mkdirat
353static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
354{
355 return (mkdirat(dirfd, pathname, mode));
356}
357#endif
358#ifdef TARGET_NR_mknodat
359static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
360 dev_t dev)
361{
362 return (mknodat(dirfd, pathname, mode, dev));
363}
364#endif
365#ifdef TARGET_NR_openat
366static int sys_openat(int dirfd, const char *pathname, int flags, ...)
367{
368
369
370
371
372 if ((flags & O_CREAT) != 0) {
373 va_list ap;
374 mode_t mode;
375
376
377
378
379
380 va_start(ap, flags);
381 mode = va_arg(ap, mode_t);
382 mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
383 va_end(ap);
384
385 return (openat(dirfd, pathname, flags, mode));
386 }
387 return (openat(dirfd, pathname, flags));
388}
389#endif
390#ifdef TARGET_NR_readlinkat
391static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
392{
393 return (readlinkat(dirfd, pathname, buf, bufsiz));
394}
395#endif
396#ifdef TARGET_NR_renameat
397static int sys_renameat(int olddirfd, const char *oldpath,
398 int newdirfd, const char *newpath)
399{
400 return (renameat(olddirfd, oldpath, newdirfd, newpath));
401}
402#endif
403#ifdef TARGET_NR_symlinkat
404static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
405{
406 return (symlinkat(oldpath, newdirfd, newpath));
407}
408#endif
409#ifdef TARGET_NR_unlinkat
410static int sys_unlinkat(int dirfd, const char *pathname, int flags)
411{
412 return (unlinkat(dirfd, pathname, flags));
413}
414#endif
415#else
416
417
418
419
420#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
421_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
422#endif
423#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
424_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
425#endif
426#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
427_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
428 uid_t,owner,gid_t,group,int,flags)
429#endif
430#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
431 defined(__NR_fstatat64)
432_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
433 struct stat *,buf,int,flags)
434#endif
435#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
436_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
437 const struct timeval *,times)
438#endif
439#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
440 defined(__NR_newfstatat)
441_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
442 struct stat *,buf,int,flags)
443#endif
444#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
445_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
446 int,newdirfd,const char *,newpath,int,flags)
447#endif
448#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
449_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
450#endif
451#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
452_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
453 mode_t,mode,dev_t,dev)
454#endif
455#if defined(TARGET_NR_openat) && defined(__NR_openat)
456_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
457#endif
458#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
459_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
460 char *,buf,size_t,bufsize)
461#endif
462#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
463_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
464 int,newdirfd,const char *,newpath)
465#endif
466#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
467_syscall3(int,sys_symlinkat,const char *,oldpath,
468 int,newdirfd,const char *,newpath)
469#endif
470#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
471_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
472#endif
473
474#endif
475
476#ifdef CONFIG_UTIMENSAT
477static int sys_utimensat(int dirfd, const char *pathname,
478 const struct timespec times[2], int flags)
479{
480 if (pathname == NULL)
481 return futimens(dirfd, times);
482 else
483 return utimensat(dirfd, pathname, times, flags);
484}
485#else
486#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
487_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
488 const struct timespec *,tsp,int,flags)
489#endif
490#endif
491
492#ifdef CONFIG_INOTIFY
493#include <sys/inotify.h>
494
495#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
496static int sys_inotify_init(void)
497{
498 return (inotify_init());
499}
500#endif
501#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
502static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
503{
504 return (inotify_add_watch(fd, pathname, mask));
505}
506#endif
507#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
508static int sys_inotify_rm_watch(int fd, int32_t wd)
509{
510 return (inotify_rm_watch(fd, wd));
511}
512#endif
513#ifdef CONFIG_INOTIFY1
514#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
515static int sys_inotify_init1(int flags)
516{
517 return (inotify_init1(flags));
518}
519#endif
520#endif
521#else
522
523#undef TARGET_NR_inotify_init
524#undef TARGET_NR_inotify_init1
525#undef TARGET_NR_inotify_add_watch
526#undef TARGET_NR_inotify_rm_watch
527#endif
528
529
530extern int personality(int);
531extern int flock(int, int);
532extern int setfsuid(int);
533extern int setfsgid(int);
534extern int setgroups(int, gid_t *);
535
536#define ERRNO_TABLE_SIZE 1200
537
538
539
540static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
541};
542
543
544
545
546
547static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
548 [EIDRM] = TARGET_EIDRM,
549 [ECHRNG] = TARGET_ECHRNG,
550 [EL2NSYNC] = TARGET_EL2NSYNC,
551 [EL3HLT] = TARGET_EL3HLT,
552 [EL3RST] = TARGET_EL3RST,
553 [ELNRNG] = TARGET_ELNRNG,
554 [EUNATCH] = TARGET_EUNATCH,
555 [ENOCSI] = TARGET_ENOCSI,
556 [EL2HLT] = TARGET_EL2HLT,
557 [EDEADLK] = TARGET_EDEADLK,
558 [ENOLCK] = TARGET_ENOLCK,
559 [EBADE] = TARGET_EBADE,
560 [EBADR] = TARGET_EBADR,
561 [EXFULL] = TARGET_EXFULL,
562 [ENOANO] = TARGET_ENOANO,
563 [EBADRQC] = TARGET_EBADRQC,
564 [EBADSLT] = TARGET_EBADSLT,
565 [EBFONT] = TARGET_EBFONT,
566 [ENOSTR] = TARGET_ENOSTR,
567 [ENODATA] = TARGET_ENODATA,
568 [ETIME] = TARGET_ETIME,
569 [ENOSR] = TARGET_ENOSR,
570 [ENONET] = TARGET_ENONET,
571 [ENOPKG] = TARGET_ENOPKG,
572 [EREMOTE] = TARGET_EREMOTE,
573 [ENOLINK] = TARGET_ENOLINK,
574 [EADV] = TARGET_EADV,
575 [ESRMNT] = TARGET_ESRMNT,
576 [ECOMM] = TARGET_ECOMM,
577 [EPROTO] = TARGET_EPROTO,
578 [EDOTDOT] = TARGET_EDOTDOT,
579 [EMULTIHOP] = TARGET_EMULTIHOP,
580 [EBADMSG] = TARGET_EBADMSG,
581 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
582 [EOVERFLOW] = TARGET_EOVERFLOW,
583 [ENOTUNIQ] = TARGET_ENOTUNIQ,
584 [EBADFD] = TARGET_EBADFD,
585 [EREMCHG] = TARGET_EREMCHG,
586 [ELIBACC] = TARGET_ELIBACC,
587 [ELIBBAD] = TARGET_ELIBBAD,
588 [ELIBSCN] = TARGET_ELIBSCN,
589 [ELIBMAX] = TARGET_ELIBMAX,
590 [ELIBEXEC] = TARGET_ELIBEXEC,
591 [EILSEQ] = TARGET_EILSEQ,
592 [ENOSYS] = TARGET_ENOSYS,
593 [ELOOP] = TARGET_ELOOP,
594 [ERESTART] = TARGET_ERESTART,
595 [ESTRPIPE] = TARGET_ESTRPIPE,
596 [ENOTEMPTY] = TARGET_ENOTEMPTY,
597 [EUSERS] = TARGET_EUSERS,
598 [ENOTSOCK] = TARGET_ENOTSOCK,
599 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
600 [EMSGSIZE] = TARGET_EMSGSIZE,
601 [EPROTOTYPE] = TARGET_EPROTOTYPE,
602 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
603 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
604 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
605 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
606 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
607 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
608 [EADDRINUSE] = TARGET_EADDRINUSE,
609 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
610 [ENETDOWN] = TARGET_ENETDOWN,
611 [ENETUNREACH] = TARGET_ENETUNREACH,
612 [ENETRESET] = TARGET_ENETRESET,
613 [ECONNABORTED] = TARGET_ECONNABORTED,
614 [ECONNRESET] = TARGET_ECONNRESET,
615 [ENOBUFS] = TARGET_ENOBUFS,
616 [EISCONN] = TARGET_EISCONN,
617 [ENOTCONN] = TARGET_ENOTCONN,
618 [EUCLEAN] = TARGET_EUCLEAN,
619 [ENOTNAM] = TARGET_ENOTNAM,
620 [ENAVAIL] = TARGET_ENAVAIL,
621 [EISNAM] = TARGET_EISNAM,
622 [EREMOTEIO] = TARGET_EREMOTEIO,
623 [ESHUTDOWN] = TARGET_ESHUTDOWN,
624 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
625 [ETIMEDOUT] = TARGET_ETIMEDOUT,
626 [ECONNREFUSED] = TARGET_ECONNREFUSED,
627 [EHOSTDOWN] = TARGET_EHOSTDOWN,
628 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
629 [EALREADY] = TARGET_EALREADY,
630 [EINPROGRESS] = TARGET_EINPROGRESS,
631 [ESTALE] = TARGET_ESTALE,
632 [ECANCELED] = TARGET_ECANCELED,
633 [ENOMEDIUM] = TARGET_ENOMEDIUM,
634 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
635#ifdef ENOKEY
636 [ENOKEY] = TARGET_ENOKEY,
637#endif
638#ifdef EKEYEXPIRED
639 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
640#endif
641#ifdef EKEYREVOKED
642 [EKEYREVOKED] = TARGET_EKEYREVOKED,
643#endif
644#ifdef EKEYREJECTED
645 [EKEYREJECTED] = TARGET_EKEYREJECTED,
646#endif
647#ifdef EOWNERDEAD
648 [EOWNERDEAD] = TARGET_EOWNERDEAD,
649#endif
650#ifdef ENOTRECOVERABLE
651 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
652#endif
653};
654
655static inline int host_to_target_errno(int err)
656{
657 if(host_to_target_errno_table[err])
658 return host_to_target_errno_table[err];
659 return err;
660}
661
662static inline int target_to_host_errno(int err)
663{
664 if (target_to_host_errno_table[err])
665 return target_to_host_errno_table[err];
666 return err;
667}
668
669static inline abi_long get_errno(abi_long ret)
670{
671 if (ret == -1)
672 return -host_to_target_errno(errno);
673 else
674 return ret;
675}
676
677static inline int is_error(abi_long ret)
678{
679 return (abi_ulong)ret >= (abi_ulong)(-4096);
680}
681
682char *target_strerror(int err)
683{
684 return strerror(target_to_host_errno(err));
685}
686
687static abi_ulong target_brk;
688static abi_ulong target_original_brk;
689
690void target_set_brk(abi_ulong new_brk)
691{
692 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
693}
694
695
696abi_long do_brk(abi_ulong new_brk)
697{
698 abi_ulong brk_page;
699 abi_long mapped_addr;
700 int new_alloc_size;
701
702 if (!new_brk)
703 return target_brk;
704 if (new_brk < target_original_brk)
705 return target_brk;
706
707 brk_page = HOST_PAGE_ALIGN(target_brk);
708
709
710 if (new_brk < brk_page) {
711 target_brk = new_brk;
712 return target_brk;
713 }
714
715
716 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
717 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
718 PROT_READ|PROT_WRITE,
719 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
720
721#if defined(TARGET_ALPHA)
722
723
724 if (is_error(mapped_addr)) {
725 return -TARGET_ENOMEM;
726 }
727#endif
728
729 if (!is_error(mapped_addr)) {
730 target_brk = new_brk;
731 }
732 return target_brk;
733}
734
735static inline abi_long copy_from_user_fdset(fd_set *fds,
736 abi_ulong target_fds_addr,
737 int n)
738{
739 int i, nw, j, k;
740 abi_ulong b, *target_fds;
741
742 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
743 if (!(target_fds = lock_user(VERIFY_READ,
744 target_fds_addr,
745 sizeof(abi_ulong) * nw,
746 1)))
747 return -TARGET_EFAULT;
748
749 FD_ZERO(fds);
750 k = 0;
751 for (i = 0; i < nw; i++) {
752
753 __get_user(b, &target_fds[i]);
754 for (j = 0; j < TARGET_ABI_BITS; j++) {
755
756 if ((b >> j) & 1)
757 FD_SET(k, fds);
758 k++;
759 }
760 }
761
762 unlock_user(target_fds, target_fds_addr, 0);
763
764 return 0;
765}
766
767static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
768 const fd_set *fds,
769 int n)
770{
771 int i, nw, j, k;
772 abi_long v;
773 abi_ulong *target_fds;
774
775 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
776 if (!(target_fds = lock_user(VERIFY_WRITE,
777 target_fds_addr,
778 sizeof(abi_ulong) * nw,
779 0)))
780 return -TARGET_EFAULT;
781
782 k = 0;
783 for (i = 0; i < nw; i++) {
784 v = 0;
785 for (j = 0; j < TARGET_ABI_BITS; j++) {
786 v |= ((FD_ISSET(k, fds) != 0) << j);
787 k++;
788 }
789 __put_user(v, &target_fds[i]);
790 }
791
792 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
793
794 return 0;
795}
796
797#if defined(__alpha__)
798#define HOST_HZ 1024
799#else
800#define HOST_HZ 100
801#endif
802
803static inline abi_long host_to_target_clock_t(long ticks)
804{
805#if HOST_HZ == TARGET_HZ
806 return ticks;
807#else
808 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
809#endif
810}
811
812static inline abi_long host_to_target_rusage(abi_ulong target_addr,
813 const struct rusage *rusage)
814{
815 struct target_rusage *target_rusage;
816
817 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
818 return -TARGET_EFAULT;
819 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
820 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
821 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
822 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
823 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
824 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
825 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
826 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
827 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
828 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
829 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
830 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
831 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
832 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
833 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
834 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
835 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
836 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
837 unlock_user_struct(target_rusage, target_addr, 1);
838
839 return 0;
840}
841
842static inline rlim_t target_to_host_rlim(target_ulong target_rlim)
843{
844 if (target_rlim == TARGET_RLIM_INFINITY)
845 return RLIM_INFINITY;
846 else
847 return tswapl(target_rlim);
848}
849
850static inline target_ulong host_to_target_rlim(rlim_t rlim)
851{
852 if (rlim == RLIM_INFINITY || rlim != (target_long)rlim)
853 return TARGET_RLIM_INFINITY;
854 else
855 return tswapl(rlim);
856}
857
858static inline abi_long copy_from_user_timeval(struct timeval *tv,
859 abi_ulong target_tv_addr)
860{
861 struct target_timeval *target_tv;
862
863 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
864 return -TARGET_EFAULT;
865
866 __get_user(tv->tv_sec, &target_tv->tv_sec);
867 __get_user(tv->tv_usec, &target_tv->tv_usec);
868
869 unlock_user_struct(target_tv, target_tv_addr, 0);
870
871 return 0;
872}
873
874static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
875 const struct timeval *tv)
876{
877 struct target_timeval *target_tv;
878
879 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
880 return -TARGET_EFAULT;
881
882 __put_user(tv->tv_sec, &target_tv->tv_sec);
883 __put_user(tv->tv_usec, &target_tv->tv_usec);
884
885 unlock_user_struct(target_tv, target_tv_addr, 1);
886
887 return 0;
888}
889
890#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
891#include <mqueue.h>
892
893static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
894 abi_ulong target_mq_attr_addr)
895{
896 struct target_mq_attr *target_mq_attr;
897
898 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
899 target_mq_attr_addr, 1))
900 return -TARGET_EFAULT;
901
902 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
903 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
904 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
905 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
906
907 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
908
909 return 0;
910}
911
912static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
913 const struct mq_attr *attr)
914{
915 struct target_mq_attr *target_mq_attr;
916
917 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
918 target_mq_attr_addr, 0))
919 return -TARGET_EFAULT;
920
921 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
922 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
923 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
924 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
925
926 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
927
928 return 0;
929}
930#endif
931
932
933static abi_long do_select(int n,
934 abi_ulong rfd_addr, abi_ulong wfd_addr,
935 abi_ulong efd_addr, abi_ulong target_tv_addr)
936{
937 fd_set rfds, wfds, efds;
938 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
939 struct timeval tv, *tv_ptr;
940 abi_long ret;
941
942 if (rfd_addr) {
943 if (copy_from_user_fdset(&rfds, rfd_addr, n))
944 return -TARGET_EFAULT;
945 rfds_ptr = &rfds;
946 } else {
947 rfds_ptr = NULL;
948 }
949 if (wfd_addr) {
950 if (copy_from_user_fdset(&wfds, wfd_addr, n))
951 return -TARGET_EFAULT;
952 wfds_ptr = &wfds;
953 } else {
954 wfds_ptr = NULL;
955 }
956 if (efd_addr) {
957 if (copy_from_user_fdset(&efds, efd_addr, n))
958 return -TARGET_EFAULT;
959 efds_ptr = &efds;
960 } else {
961 efds_ptr = NULL;
962 }
963
964 if (target_tv_addr) {
965 if (copy_from_user_timeval(&tv, target_tv_addr))
966 return -TARGET_EFAULT;
967 tv_ptr = &tv;
968 } else {
969 tv_ptr = NULL;
970 }
971
972 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
973
974 if (!is_error(ret)) {
975 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
976 return -TARGET_EFAULT;
977 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
978 return -TARGET_EFAULT;
979 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
980 return -TARGET_EFAULT;
981
982 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
983 return -TARGET_EFAULT;
984 }
985
986 return ret;
987}
988
989static abi_long do_pipe2(int host_pipe[], int flags)
990{
991#ifdef CONFIG_PIPE2
992 return pipe2(host_pipe, flags);
993#else
994 return -ENOSYS;
995#endif
996}
997
998static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
999 int flags, int is_pipe2)
1000{
1001 int host_pipe[2];
1002 abi_long ret;
1003 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1004
1005 if (is_error(ret))
1006 return get_errno(ret);
1007
1008
1009
1010 if (!is_pipe2) {
1011#if defined(TARGET_ALPHA)
1012 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1013 return host_pipe[0];
1014#elif defined(TARGET_MIPS)
1015 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1016 return host_pipe[0];
1017#elif defined(TARGET_SH4)
1018 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
1019 return host_pipe[0];
1020#endif
1021 }
1022
1023 if (put_user_s32(host_pipe[0], pipedes)
1024 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1025 return -TARGET_EFAULT;
1026 return get_errno(ret);
1027}
1028
1029static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1030 abi_ulong target_addr,
1031 socklen_t len)
1032{
1033 struct target_ip_mreqn *target_smreqn;
1034
1035 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1036 if (!target_smreqn)
1037 return -TARGET_EFAULT;
1038 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1039 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1040 if (len == sizeof(struct target_ip_mreqn))
1041 mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
1042 unlock_user(target_smreqn, target_addr, 0);
1043
1044 return 0;
1045}
1046
1047static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1048 abi_ulong target_addr,
1049 socklen_t len)
1050{
1051 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1052 sa_family_t sa_family;
1053 struct target_sockaddr *target_saddr;
1054
1055 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1056 if (!target_saddr)
1057 return -TARGET_EFAULT;
1058
1059 sa_family = tswap16(target_saddr->sa_family);
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069 if (sa_family == AF_UNIX) {
1070 if (len < unix_maxlen && len > 0) {
1071 char *cp = (char*)target_saddr;
1072
1073 if ( cp[len-1] && !cp[len] )
1074 len++;
1075 }
1076 if (len > unix_maxlen)
1077 len = unix_maxlen;
1078 }
1079
1080 memcpy(addr, target_saddr, len);
1081 addr->sa_family = sa_family;
1082 unlock_user(target_saddr, target_addr, 0);
1083
1084 return 0;
1085}
1086
1087static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1088 struct sockaddr *addr,
1089 socklen_t len)
1090{
1091 struct target_sockaddr *target_saddr;
1092
1093 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1094 if (!target_saddr)
1095 return -TARGET_EFAULT;
1096 memcpy(target_saddr, addr, len);
1097 target_saddr->sa_family = tswap16(addr->sa_family);
1098 unlock_user(target_saddr, target_addr, len);
1099
1100 return 0;
1101}
1102
1103
1104static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1105 struct target_msghdr *target_msgh)
1106{
1107 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1108 abi_long msg_controllen;
1109 abi_ulong target_cmsg_addr;
1110 struct target_cmsghdr *target_cmsg;
1111 socklen_t space = 0;
1112
1113 msg_controllen = tswapl(target_msgh->msg_controllen);
1114 if (msg_controllen < sizeof (struct target_cmsghdr))
1115 goto the_end;
1116 target_cmsg_addr = tswapl(target_msgh->msg_control);
1117 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1118 if (!target_cmsg)
1119 return -TARGET_EFAULT;
1120
1121 while (cmsg && target_cmsg) {
1122 void *data = CMSG_DATA(cmsg);
1123 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1124
1125 int len = tswapl(target_cmsg->cmsg_len)
1126 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1127
1128 space += CMSG_SPACE(len);
1129 if (space > msgh->msg_controllen) {
1130 space -= CMSG_SPACE(len);
1131 gemu_log("Host cmsg overflow\n");
1132 break;
1133 }
1134
1135 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1136 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1137 cmsg->cmsg_len = CMSG_LEN(len);
1138
1139 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1140 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1141 memcpy(data, target_data, len);
1142 } else {
1143 int *fd = (int *)data;
1144 int *target_fd = (int *)target_data;
1145 int i, numfds = len / sizeof(int);
1146
1147 for (i = 0; i < numfds; i++)
1148 fd[i] = tswap32(target_fd[i]);
1149 }
1150
1151 cmsg = CMSG_NXTHDR(msgh, cmsg);
1152 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1153 }
1154 unlock_user(target_cmsg, target_cmsg_addr, 0);
1155 the_end:
1156 msgh->msg_controllen = space;
1157 return 0;
1158}
1159
1160
1161static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1162 struct msghdr *msgh)
1163{
1164 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1165 abi_long msg_controllen;
1166 abi_ulong target_cmsg_addr;
1167 struct target_cmsghdr *target_cmsg;
1168 socklen_t space = 0;
1169
1170 msg_controllen = tswapl(target_msgh->msg_controllen);
1171 if (msg_controllen < sizeof (struct target_cmsghdr))
1172 goto the_end;
1173 target_cmsg_addr = tswapl(target_msgh->msg_control);
1174 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1175 if (!target_cmsg)
1176 return -TARGET_EFAULT;
1177
1178 while (cmsg && target_cmsg) {
1179 void *data = CMSG_DATA(cmsg);
1180 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1181
1182 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1183
1184 space += TARGET_CMSG_SPACE(len);
1185 if (space > msg_controllen) {
1186 space -= TARGET_CMSG_SPACE(len);
1187 gemu_log("Target cmsg overflow\n");
1188 break;
1189 }
1190
1191 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1192 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1193 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1194
1195 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1196 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1197 memcpy(target_data, data, len);
1198 } else {
1199 int *fd = (int *)data;
1200 int *target_fd = (int *)target_data;
1201 int i, numfds = len / sizeof(int);
1202
1203 for (i = 0; i < numfds; i++)
1204 target_fd[i] = tswap32(fd[i]);
1205 }
1206
1207 cmsg = CMSG_NXTHDR(msgh, cmsg);
1208 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1209 }
1210 unlock_user(target_cmsg, target_cmsg_addr, space);
1211 the_end:
1212 target_msgh->msg_controllen = tswapl(space);
1213 return 0;
1214}
1215
1216
1217static abi_long do_setsockopt(int sockfd, int level, int optname,
1218 abi_ulong optval_addr, socklen_t optlen)
1219{
1220 abi_long ret;
1221 int val;
1222 struct ip_mreqn *ip_mreq;
1223 struct ip_mreq_source *ip_mreq_source;
1224
1225 switch(level) {
1226 case SOL_TCP:
1227
1228 if (optlen < sizeof(uint32_t))
1229 return -TARGET_EINVAL;
1230
1231 if (get_user_u32(val, optval_addr))
1232 return -TARGET_EFAULT;
1233 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1234 break;
1235 case SOL_IP:
1236 switch(optname) {
1237 case IP_TOS:
1238 case IP_TTL:
1239 case IP_HDRINCL:
1240 case IP_ROUTER_ALERT:
1241 case IP_RECVOPTS:
1242 case IP_RETOPTS:
1243 case IP_PKTINFO:
1244 case IP_MTU_DISCOVER:
1245 case IP_RECVERR:
1246 case IP_RECVTOS:
1247#ifdef IP_FREEBIND
1248 case IP_FREEBIND:
1249#endif
1250 case IP_MULTICAST_TTL:
1251 case IP_MULTICAST_LOOP:
1252 val = 0;
1253 if (optlen >= sizeof(uint32_t)) {
1254 if (get_user_u32(val, optval_addr))
1255 return -TARGET_EFAULT;
1256 } else if (optlen >= 1) {
1257 if (get_user_u8(val, optval_addr))
1258 return -TARGET_EFAULT;
1259 }
1260 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1261 break;
1262 case IP_ADD_MEMBERSHIP:
1263 case IP_DROP_MEMBERSHIP:
1264 if (optlen < sizeof (struct target_ip_mreq) ||
1265 optlen > sizeof (struct target_ip_mreqn))
1266 return -TARGET_EINVAL;
1267
1268 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1269 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1270 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1271 break;
1272
1273 case IP_BLOCK_SOURCE:
1274 case IP_UNBLOCK_SOURCE:
1275 case IP_ADD_SOURCE_MEMBERSHIP:
1276 case IP_DROP_SOURCE_MEMBERSHIP:
1277 if (optlen != sizeof (struct target_ip_mreq_source))
1278 return -TARGET_EINVAL;
1279
1280 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1281 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1282 unlock_user (ip_mreq_source, optval_addr, 0);
1283 break;
1284
1285 default:
1286 goto unimplemented;
1287 }
1288 break;
1289 case TARGET_SOL_SOCKET:
1290 switch (optname) {
1291
1292 case TARGET_SO_DEBUG:
1293 optname = SO_DEBUG;
1294 break;
1295 case TARGET_SO_REUSEADDR:
1296 optname = SO_REUSEADDR;
1297 break;
1298 case TARGET_SO_TYPE:
1299 optname = SO_TYPE;
1300 break;
1301 case TARGET_SO_ERROR:
1302 optname = SO_ERROR;
1303 break;
1304 case TARGET_SO_DONTROUTE:
1305 optname = SO_DONTROUTE;
1306 break;
1307 case TARGET_SO_BROADCAST:
1308 optname = SO_BROADCAST;
1309 break;
1310 case TARGET_SO_SNDBUF:
1311 optname = SO_SNDBUF;
1312 break;
1313 case TARGET_SO_RCVBUF:
1314 optname = SO_RCVBUF;
1315 break;
1316 case TARGET_SO_KEEPALIVE:
1317 optname = SO_KEEPALIVE;
1318 break;
1319 case TARGET_SO_OOBINLINE:
1320 optname = SO_OOBINLINE;
1321 break;
1322 case TARGET_SO_NO_CHECK:
1323 optname = SO_NO_CHECK;
1324 break;
1325 case TARGET_SO_PRIORITY:
1326 optname = SO_PRIORITY;
1327 break;
1328#ifdef SO_BSDCOMPAT
1329 case TARGET_SO_BSDCOMPAT:
1330 optname = SO_BSDCOMPAT;
1331 break;
1332#endif
1333 case TARGET_SO_PASSCRED:
1334 optname = SO_PASSCRED;
1335 break;
1336 case TARGET_SO_TIMESTAMP:
1337 optname = SO_TIMESTAMP;
1338 break;
1339 case TARGET_SO_RCVLOWAT:
1340 optname = SO_RCVLOWAT;
1341 break;
1342 case TARGET_SO_RCVTIMEO:
1343 optname = SO_RCVTIMEO;
1344 break;
1345 case TARGET_SO_SNDTIMEO:
1346 optname = SO_SNDTIMEO;
1347 break;
1348 break;
1349 default:
1350 goto unimplemented;
1351 }
1352 if (optlen < sizeof(uint32_t))
1353 return -TARGET_EINVAL;
1354
1355 if (get_user_u32(val, optval_addr))
1356 return -TARGET_EFAULT;
1357 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
1358 break;
1359 default:
1360 unimplemented:
1361 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
1362 ret = -TARGET_ENOPROTOOPT;
1363 }
1364 return ret;
1365}
1366
1367
1368static abi_long do_getsockopt(int sockfd, int level, int optname,
1369 abi_ulong optval_addr, abi_ulong optlen)
1370{
1371 abi_long ret;
1372 int len, val;
1373 socklen_t lv;
1374
1375 switch(level) {
1376 case TARGET_SOL_SOCKET:
1377 level = SOL_SOCKET;
1378 switch (optname) {
1379 case TARGET_SO_LINGER:
1380 case TARGET_SO_RCVTIMEO:
1381 case TARGET_SO_SNDTIMEO:
1382 case TARGET_SO_PEERCRED:
1383 case TARGET_SO_PEERNAME:
1384
1385 goto unimplemented;
1386 default:
1387 goto int_case;
1388 }
1389 break;
1390 case SOL_TCP:
1391
1392 int_case:
1393 if (get_user_u32(len, optlen))
1394 return -TARGET_EFAULT;
1395 if (len < 0)
1396 return -TARGET_EINVAL;
1397 lv = sizeof(int);
1398 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1399 if (ret < 0)
1400 return ret;
1401 if (len > lv)
1402 len = lv;
1403 if (len == 4) {
1404 if (put_user_u32(val, optval_addr))
1405 return -TARGET_EFAULT;
1406 } else {
1407 if (put_user_u8(val, optval_addr))
1408 return -TARGET_EFAULT;
1409 }
1410 if (put_user_u32(len, optlen))
1411 return -TARGET_EFAULT;
1412 break;
1413 case SOL_IP:
1414 switch(optname) {
1415 case IP_TOS:
1416 case IP_TTL:
1417 case IP_HDRINCL:
1418 case IP_ROUTER_ALERT:
1419 case IP_RECVOPTS:
1420 case IP_RETOPTS:
1421 case IP_PKTINFO:
1422 case IP_MTU_DISCOVER:
1423 case IP_RECVERR:
1424 case IP_RECVTOS:
1425#ifdef IP_FREEBIND
1426 case IP_FREEBIND:
1427#endif
1428 case IP_MULTICAST_TTL:
1429 case IP_MULTICAST_LOOP:
1430 if (get_user_u32(len, optlen))
1431 return -TARGET_EFAULT;
1432 if (len < 0)
1433 return -TARGET_EINVAL;
1434 lv = sizeof(int);
1435 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1436 if (ret < 0)
1437 return ret;
1438 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
1439 len = 1;
1440 if (put_user_u32(len, optlen)
1441 || put_user_u8(val, optval_addr))
1442 return -TARGET_EFAULT;
1443 } else {
1444 if (len > sizeof(int))
1445 len = sizeof(int);
1446 if (put_user_u32(len, optlen)
1447 || put_user_u32(val, optval_addr))
1448 return -TARGET_EFAULT;
1449 }
1450 break;
1451 default:
1452 ret = -TARGET_ENOPROTOOPT;
1453 break;
1454 }
1455 break;
1456 default:
1457 unimplemented:
1458 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1459 level, optname);
1460 ret = -TARGET_EOPNOTSUPP;
1461 break;
1462 }
1463 return ret;
1464}
1465
1466
1467
1468
1469
1470static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1471 int count, int copy)
1472{
1473 struct target_iovec *target_vec;
1474 abi_ulong base;
1475 int i;
1476
1477 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1478 if (!target_vec)
1479 return -TARGET_EFAULT;
1480 for(i = 0;i < count; i++) {
1481 base = tswapl(target_vec[i].iov_base);
1482 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1483 if (vec[i].iov_len != 0) {
1484 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
1485
1486
1487 } else {
1488
1489 vec[i].iov_base = NULL;
1490 }
1491 }
1492 unlock_user (target_vec, target_addr, 0);
1493 return 0;
1494}
1495
1496static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1497 int count, int copy)
1498{
1499 struct target_iovec *target_vec;
1500 abi_ulong base;
1501 int i;
1502
1503 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1504 if (!target_vec)
1505 return -TARGET_EFAULT;
1506 for(i = 0;i < count; i++) {
1507 if (target_vec[i].iov_base) {
1508 base = tswapl(target_vec[i].iov_base);
1509 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1510 }
1511 }
1512 unlock_user (target_vec, target_addr, 0);
1513
1514 return 0;
1515}
1516
1517
1518static abi_long do_socket(int domain, int type, int protocol)
1519{
1520#if defined(TARGET_MIPS)
1521 switch(type) {
1522 case TARGET_SOCK_DGRAM:
1523 type = SOCK_DGRAM;
1524 break;
1525 case TARGET_SOCK_STREAM:
1526 type = SOCK_STREAM;
1527 break;
1528 case TARGET_SOCK_RAW:
1529 type = SOCK_RAW;
1530 break;
1531 case TARGET_SOCK_RDM:
1532 type = SOCK_RDM;
1533 break;
1534 case TARGET_SOCK_SEQPACKET:
1535 type = SOCK_SEQPACKET;
1536 break;
1537 case TARGET_SOCK_PACKET:
1538 type = SOCK_PACKET;
1539 break;
1540 }
1541#endif
1542 if (domain == PF_NETLINK)
1543 return -EAFNOSUPPORT;
1544 return get_errno(socket(domain, type, protocol));
1545}
1546
1547
1548static abi_long do_bind(int sockfd, abi_ulong target_addr,
1549 socklen_t addrlen)
1550{
1551 void *addr;
1552 abi_long ret;
1553
1554 if (addrlen < 0)
1555 return -TARGET_EINVAL;
1556
1557 addr = alloca(addrlen+1);
1558
1559 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1560 if (ret)
1561 return ret;
1562
1563 return get_errno(bind(sockfd, addr, addrlen));
1564}
1565
1566
1567static abi_long do_connect(int sockfd, abi_ulong target_addr,
1568 socklen_t addrlen)
1569{
1570 void *addr;
1571 abi_long ret;
1572
1573 if (addrlen < 0)
1574 return -TARGET_EINVAL;
1575
1576 addr = alloca(addrlen);
1577
1578 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1579 if (ret)
1580 return ret;
1581
1582 return get_errno(connect(sockfd, addr, addrlen));
1583}
1584
1585
1586static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1587 int flags, int send)
1588{
1589 abi_long ret, len;
1590 struct target_msghdr *msgp;
1591 struct msghdr msg;
1592 int count;
1593 struct iovec *vec;
1594 abi_ulong target_vec;
1595
1596
1597 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1598 msgp,
1599 target_msg,
1600 send ? 1 : 0))
1601 return -TARGET_EFAULT;
1602 if (msgp->msg_name) {
1603 msg.msg_namelen = tswap32(msgp->msg_namelen);
1604 msg.msg_name = alloca(msg.msg_namelen);
1605 ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1606 msg.msg_namelen);
1607 if (ret) {
1608 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1609 return ret;
1610 }
1611 } else {
1612 msg.msg_name = NULL;
1613 msg.msg_namelen = 0;
1614 }
1615 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1616 msg.msg_control = alloca(msg.msg_controllen);
1617 msg.msg_flags = tswap32(msgp->msg_flags);
1618
1619 count = tswapl(msgp->msg_iovlen);
1620 vec = alloca(count * sizeof(struct iovec));
1621 target_vec = tswapl(msgp->msg_iov);
1622 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1623 msg.msg_iovlen = count;
1624 msg.msg_iov = vec;
1625
1626 if (send) {
1627 ret = target_to_host_cmsg(&msg, msgp);
1628 if (ret == 0)
1629 ret = get_errno(sendmsg(fd, &msg, flags));
1630 } else {
1631 ret = get_errno(recvmsg(fd, &msg, flags));
1632 if (!is_error(ret)) {
1633 len = ret;
1634 ret = host_to_target_cmsg(msgp, &msg);
1635 if (!is_error(ret))
1636 ret = len;
1637 }
1638 }
1639 unlock_iovec(vec, target_vec, count, !send);
1640 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1641 return ret;
1642}
1643
1644
1645static abi_long do_accept(int fd, abi_ulong target_addr,
1646 abi_ulong target_addrlen_addr)
1647{
1648 socklen_t addrlen;
1649 void *addr;
1650 abi_long ret;
1651
1652 if (target_addr == 0)
1653 return get_errno(accept(fd, NULL, NULL));
1654
1655
1656 if (get_user_u32(addrlen, target_addrlen_addr))
1657 return -TARGET_EINVAL;
1658
1659 if (addrlen < 0)
1660 return -TARGET_EINVAL;
1661
1662 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1663 return -TARGET_EINVAL;
1664
1665 addr = alloca(addrlen);
1666
1667 ret = get_errno(accept(fd, addr, &addrlen));
1668 if (!is_error(ret)) {
1669 host_to_target_sockaddr(target_addr, addr, addrlen);
1670 if (put_user_u32(addrlen, target_addrlen_addr))
1671 ret = -TARGET_EFAULT;
1672 }
1673 return ret;
1674}
1675
1676
1677static abi_long do_getpeername(int fd, abi_ulong target_addr,
1678 abi_ulong target_addrlen_addr)
1679{
1680 socklen_t addrlen;
1681 void *addr;
1682 abi_long ret;
1683
1684 if (get_user_u32(addrlen, target_addrlen_addr))
1685 return -TARGET_EFAULT;
1686
1687 if (addrlen < 0)
1688 return -TARGET_EINVAL;
1689
1690 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1691 return -TARGET_EFAULT;
1692
1693 addr = alloca(addrlen);
1694
1695 ret = get_errno(getpeername(fd, addr, &addrlen));
1696 if (!is_error(ret)) {
1697 host_to_target_sockaddr(target_addr, addr, addrlen);
1698 if (put_user_u32(addrlen, target_addrlen_addr))
1699 ret = -TARGET_EFAULT;
1700 }
1701 return ret;
1702}
1703
1704
1705static abi_long do_getsockname(int fd, abi_ulong target_addr,
1706 abi_ulong target_addrlen_addr)
1707{
1708 socklen_t addrlen;
1709 void *addr;
1710 abi_long ret;
1711
1712 if (get_user_u32(addrlen, target_addrlen_addr))
1713 return -TARGET_EFAULT;
1714
1715 if (addrlen < 0)
1716 return -TARGET_EINVAL;
1717
1718 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1719 return -TARGET_EFAULT;
1720
1721 addr = alloca(addrlen);
1722
1723 ret = get_errno(getsockname(fd, addr, &addrlen));
1724 if (!is_error(ret)) {
1725 host_to_target_sockaddr(target_addr, addr, addrlen);
1726 if (put_user_u32(addrlen, target_addrlen_addr))
1727 ret = -TARGET_EFAULT;
1728 }
1729 return ret;
1730}
1731
1732
1733static abi_long do_socketpair(int domain, int type, int protocol,
1734 abi_ulong target_tab_addr)
1735{
1736 int tab[2];
1737 abi_long ret;
1738
1739 ret = get_errno(socketpair(domain, type, protocol, tab));
1740 if (!is_error(ret)) {
1741 if (put_user_s32(tab[0], target_tab_addr)
1742 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1743 ret = -TARGET_EFAULT;
1744 }
1745 return ret;
1746}
1747
1748
1749static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1750 abi_ulong target_addr, socklen_t addrlen)
1751{
1752 void *addr;
1753 void *host_msg;
1754 abi_long ret;
1755
1756 if (addrlen < 0)
1757 return -TARGET_EINVAL;
1758
1759 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1760 if (!host_msg)
1761 return -TARGET_EFAULT;
1762 if (target_addr) {
1763 addr = alloca(addrlen);
1764 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1765 if (ret) {
1766 unlock_user(host_msg, msg, 0);
1767 return ret;
1768 }
1769 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1770 } else {
1771 ret = get_errno(send(fd, host_msg, len, flags));
1772 }
1773 unlock_user(host_msg, msg, 0);
1774 return ret;
1775}
1776
1777
1778static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1779 abi_ulong target_addr,
1780 abi_ulong target_addrlen)
1781{
1782 socklen_t addrlen;
1783 void *addr;
1784 void *host_msg;
1785 abi_long ret;
1786
1787 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1788 if (!host_msg)
1789 return -TARGET_EFAULT;
1790 if (target_addr) {
1791 if (get_user_u32(addrlen, target_addrlen)) {
1792 ret = -TARGET_EFAULT;
1793 goto fail;
1794 }
1795 if (addrlen < 0) {
1796 ret = -TARGET_EINVAL;
1797 goto fail;
1798 }
1799 addr = alloca(addrlen);
1800 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1801 } else {
1802 addr = NULL;
1803 ret = get_errno(recv(fd, host_msg, len, flags));
1804 }
1805 if (!is_error(ret)) {
1806 if (target_addr) {
1807 host_to_target_sockaddr(target_addr, addr, addrlen);
1808 if (put_user_u32(addrlen, target_addrlen)) {
1809 ret = -TARGET_EFAULT;
1810 goto fail;
1811 }
1812 }
1813 unlock_user(host_msg, msg, len);
1814 } else {
1815fail:
1816 unlock_user(host_msg, msg, 0);
1817 }
1818 return ret;
1819}
1820
1821#ifdef TARGET_NR_socketcall
1822
1823static abi_long do_socketcall(int num, abi_ulong vptr)
1824{
1825 abi_long ret;
1826 const int n = sizeof(abi_ulong);
1827
1828 switch(num) {
1829 case SOCKOP_socket:
1830 {
1831 abi_ulong domain, type, protocol;
1832
1833 if (get_user_ual(domain, vptr)
1834 || get_user_ual(type, vptr + n)
1835 || get_user_ual(protocol, vptr + 2 * n))
1836 return -TARGET_EFAULT;
1837
1838 ret = do_socket(domain, type, protocol);
1839 }
1840 break;
1841 case SOCKOP_bind:
1842 {
1843 abi_ulong sockfd;
1844 abi_ulong target_addr;
1845 socklen_t addrlen;
1846
1847 if (get_user_ual(sockfd, vptr)
1848 || get_user_ual(target_addr, vptr + n)
1849 || get_user_ual(addrlen, vptr + 2 * n))
1850 return -TARGET_EFAULT;
1851
1852 ret = do_bind(sockfd, target_addr, addrlen);
1853 }
1854 break;
1855 case SOCKOP_connect:
1856 {
1857 abi_ulong sockfd;
1858 abi_ulong target_addr;
1859 socklen_t addrlen;
1860
1861 if (get_user_ual(sockfd, vptr)
1862 || get_user_ual(target_addr, vptr + n)
1863 || get_user_ual(addrlen, vptr + 2 * n))
1864 return -TARGET_EFAULT;
1865
1866 ret = do_connect(sockfd, target_addr, addrlen);
1867 }
1868 break;
1869 case SOCKOP_listen:
1870 {
1871 abi_ulong sockfd, backlog;
1872
1873 if (get_user_ual(sockfd, vptr)
1874 || get_user_ual(backlog, vptr + n))
1875 return -TARGET_EFAULT;
1876
1877 ret = get_errno(listen(sockfd, backlog));
1878 }
1879 break;
1880 case SOCKOP_accept:
1881 {
1882 abi_ulong sockfd;
1883 abi_ulong target_addr, target_addrlen;
1884
1885 if (get_user_ual(sockfd, vptr)
1886 || get_user_ual(target_addr, vptr + n)
1887 || get_user_ual(target_addrlen, vptr + 2 * n))
1888 return -TARGET_EFAULT;
1889
1890 ret = do_accept(sockfd, target_addr, target_addrlen);
1891 }
1892 break;
1893 case SOCKOP_getsockname:
1894 {
1895 abi_ulong sockfd;
1896 abi_ulong target_addr, target_addrlen;
1897
1898 if (get_user_ual(sockfd, vptr)
1899 || get_user_ual(target_addr, vptr + n)
1900 || get_user_ual(target_addrlen, vptr + 2 * n))
1901 return -TARGET_EFAULT;
1902
1903 ret = do_getsockname(sockfd, target_addr, target_addrlen);
1904 }
1905 break;
1906 case SOCKOP_getpeername:
1907 {
1908 abi_ulong sockfd;
1909 abi_ulong target_addr, target_addrlen;
1910
1911 if (get_user_ual(sockfd, vptr)
1912 || get_user_ual(target_addr, vptr + n)
1913 || get_user_ual(target_addrlen, vptr + 2 * n))
1914 return -TARGET_EFAULT;
1915
1916 ret = do_getpeername(sockfd, target_addr, target_addrlen);
1917 }
1918 break;
1919 case SOCKOP_socketpair:
1920 {
1921 abi_ulong domain, type, protocol;
1922 abi_ulong tab;
1923
1924 if (get_user_ual(domain, vptr)
1925 || get_user_ual(type, vptr + n)
1926 || get_user_ual(protocol, vptr + 2 * n)
1927 || get_user_ual(tab, vptr + 3 * n))
1928 return -TARGET_EFAULT;
1929
1930 ret = do_socketpair(domain, type, protocol, tab);
1931 }
1932 break;
1933 case SOCKOP_send:
1934 {
1935 abi_ulong sockfd;
1936 abi_ulong msg;
1937 size_t len;
1938 abi_ulong flags;
1939
1940 if (get_user_ual(sockfd, vptr)
1941 || get_user_ual(msg, vptr + n)
1942 || get_user_ual(len, vptr + 2 * n)
1943 || get_user_ual(flags, vptr + 3 * n))
1944 return -TARGET_EFAULT;
1945
1946 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1947 }
1948 break;
1949 case SOCKOP_recv:
1950 {
1951 abi_ulong sockfd;
1952 abi_ulong msg;
1953 size_t len;
1954 abi_ulong flags;
1955
1956 if (get_user_ual(sockfd, vptr)
1957 || get_user_ual(msg, vptr + n)
1958 || get_user_ual(len, vptr + 2 * n)
1959 || get_user_ual(flags, vptr + 3 * n))
1960 return -TARGET_EFAULT;
1961
1962 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1963 }
1964 break;
1965 case SOCKOP_sendto:
1966 {
1967 abi_ulong sockfd;
1968 abi_ulong msg;
1969 size_t len;
1970 abi_ulong flags;
1971 abi_ulong addr;
1972 socklen_t addrlen;
1973
1974 if (get_user_ual(sockfd, vptr)
1975 || get_user_ual(msg, vptr + n)
1976 || get_user_ual(len, vptr + 2 * n)
1977 || get_user_ual(flags, vptr + 3 * n)
1978 || get_user_ual(addr, vptr + 4 * n)
1979 || get_user_ual(addrlen, vptr + 5 * n))
1980 return -TARGET_EFAULT;
1981
1982 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1983 }
1984 break;
1985 case SOCKOP_recvfrom:
1986 {
1987 abi_ulong sockfd;
1988 abi_ulong msg;
1989 size_t len;
1990 abi_ulong flags;
1991 abi_ulong addr;
1992 socklen_t addrlen;
1993
1994 if (get_user_ual(sockfd, vptr)
1995 || get_user_ual(msg, vptr + n)
1996 || get_user_ual(len, vptr + 2 * n)
1997 || get_user_ual(flags, vptr + 3 * n)
1998 || get_user_ual(addr, vptr + 4 * n)
1999 || get_user_ual(addrlen, vptr + 5 * n))
2000 return -TARGET_EFAULT;
2001
2002 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
2003 }
2004 break;
2005 case SOCKOP_shutdown:
2006 {
2007 abi_ulong sockfd, how;
2008
2009 if (get_user_ual(sockfd, vptr)
2010 || get_user_ual(how, vptr + n))
2011 return -TARGET_EFAULT;
2012
2013 ret = get_errno(shutdown(sockfd, how));
2014 }
2015 break;
2016 case SOCKOP_sendmsg:
2017 case SOCKOP_recvmsg:
2018 {
2019 abi_ulong fd;
2020 abi_ulong target_msg;
2021 abi_ulong flags;
2022
2023 if (get_user_ual(fd, vptr)
2024 || get_user_ual(target_msg, vptr + n)
2025 || get_user_ual(flags, vptr + 2 * n))
2026 return -TARGET_EFAULT;
2027
2028 ret = do_sendrecvmsg(fd, target_msg, flags,
2029 (num == SOCKOP_sendmsg));
2030 }
2031 break;
2032 case SOCKOP_setsockopt:
2033 {
2034 abi_ulong sockfd;
2035 abi_ulong level;
2036 abi_ulong optname;
2037 abi_ulong optval;
2038 socklen_t optlen;
2039
2040 if (get_user_ual(sockfd, vptr)
2041 || get_user_ual(level, vptr + n)
2042 || get_user_ual(optname, vptr + 2 * n)
2043 || get_user_ual(optval, vptr + 3 * n)
2044 || get_user_ual(optlen, vptr + 4 * n))
2045 return -TARGET_EFAULT;
2046
2047 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2048 }
2049 break;
2050 case SOCKOP_getsockopt:
2051 {
2052 abi_ulong sockfd;
2053 abi_ulong level;
2054 abi_ulong optname;
2055 abi_ulong optval;
2056 socklen_t optlen;
2057
2058 if (get_user_ual(sockfd, vptr)
2059 || get_user_ual(level, vptr + n)
2060 || get_user_ual(optname, vptr + 2 * n)
2061 || get_user_ual(optval, vptr + 3 * n)
2062 || get_user_ual(optlen, vptr + 4 * n))
2063 return -TARGET_EFAULT;
2064
2065 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
2066 }
2067 break;
2068 default:
2069 gemu_log("Unsupported socketcall: %d\n", num);
2070 ret = -TARGET_ENOSYS;
2071 break;
2072 }
2073 return ret;
2074}
2075#endif
2076
2077#define N_SHM_REGIONS 32
2078
2079static struct shm_region {
2080 abi_ulong start;
2081 abi_ulong size;
2082} shm_regions[N_SHM_REGIONS];
2083
2084struct target_ipc_perm
2085{
2086 abi_long __key;
2087 abi_ulong uid;
2088 abi_ulong gid;
2089 abi_ulong cuid;
2090 abi_ulong cgid;
2091 unsigned short int mode;
2092 unsigned short int __pad1;
2093 unsigned short int __seq;
2094 unsigned short int __pad2;
2095 abi_ulong __unused1;
2096 abi_ulong __unused2;
2097};
2098
2099struct target_semid_ds
2100{
2101 struct target_ipc_perm sem_perm;
2102 abi_ulong sem_otime;
2103 abi_ulong __unused1;
2104 abi_ulong sem_ctime;
2105 abi_ulong __unused2;
2106 abi_ulong sem_nsems;
2107 abi_ulong __unused3;
2108 abi_ulong __unused4;
2109};
2110
2111static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2112 abi_ulong target_addr)
2113{
2114 struct target_ipc_perm *target_ip;
2115 struct target_semid_ds *target_sd;
2116
2117 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2118 return -TARGET_EFAULT;
2119 target_ip = &(target_sd->sem_perm);
2120 host_ip->__key = tswapl(target_ip->__key);
2121 host_ip->uid = tswapl(target_ip->uid);
2122 host_ip->gid = tswapl(target_ip->gid);
2123 host_ip->cuid = tswapl(target_ip->cuid);
2124 host_ip->cgid = tswapl(target_ip->cgid);
2125 host_ip->mode = tswapl(target_ip->mode);
2126 unlock_user_struct(target_sd, target_addr, 0);
2127 return 0;
2128}
2129
2130static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2131 struct ipc_perm *host_ip)
2132{
2133 struct target_ipc_perm *target_ip;
2134 struct target_semid_ds *target_sd;
2135
2136 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2137 return -TARGET_EFAULT;
2138 target_ip = &(target_sd->sem_perm);
2139 target_ip->__key = tswapl(host_ip->__key);
2140 target_ip->uid = tswapl(host_ip->uid);
2141 target_ip->gid = tswapl(host_ip->gid);
2142 target_ip->cuid = tswapl(host_ip->cuid);
2143 target_ip->cgid = tswapl(host_ip->cgid);
2144 target_ip->mode = tswapl(host_ip->mode);
2145 unlock_user_struct(target_sd, target_addr, 1);
2146 return 0;
2147}
2148
2149static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2150 abi_ulong target_addr)
2151{
2152 struct target_semid_ds *target_sd;
2153
2154 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2155 return -TARGET_EFAULT;
2156 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2157 return -TARGET_EFAULT;
2158 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2159 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2160 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2161 unlock_user_struct(target_sd, target_addr, 0);
2162 return 0;
2163}
2164
2165static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2166 struct semid_ds *host_sd)
2167{
2168 struct target_semid_ds *target_sd;
2169
2170 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2171 return -TARGET_EFAULT;
2172 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2173 return -TARGET_EFAULT;;
2174 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2175 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2176 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2177 unlock_user_struct(target_sd, target_addr, 1);
2178 return 0;
2179}
2180
2181struct target_seminfo {
2182 int semmap;
2183 int semmni;
2184 int semmns;
2185 int semmnu;
2186 int semmsl;
2187 int semopm;
2188 int semume;
2189 int semusz;
2190 int semvmx;
2191 int semaem;
2192};
2193
2194static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2195 struct seminfo *host_seminfo)
2196{
2197 struct target_seminfo *target_seminfo;
2198 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2199 return -TARGET_EFAULT;
2200 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2201 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2202 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2203 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2204 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2205 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2206 __put_user(host_seminfo->semume, &target_seminfo->semume);
2207 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2208 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2209 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2210 unlock_user_struct(target_seminfo, target_addr, 1);
2211 return 0;
2212}
2213
2214union semun {
2215 int val;
2216 struct semid_ds *buf;
2217 unsigned short *array;
2218 struct seminfo *__buf;
2219};
2220
2221union target_semun {
2222 int val;
2223 abi_ulong buf;
2224 abi_ulong array;
2225 abi_ulong __buf;
2226};
2227
2228static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2229 abi_ulong target_addr)
2230{
2231 int nsems;
2232 unsigned short *array;
2233 union semun semun;
2234 struct semid_ds semid_ds;
2235 int i, ret;
2236
2237 semun.buf = &semid_ds;
2238
2239 ret = semctl(semid, 0, IPC_STAT, semun);
2240 if (ret == -1)
2241 return get_errno(ret);
2242
2243 nsems = semid_ds.sem_nsems;
2244
2245 *host_array = malloc(nsems*sizeof(unsigned short));
2246 array = lock_user(VERIFY_READ, target_addr,
2247 nsems*sizeof(unsigned short), 1);
2248 if (!array)
2249 return -TARGET_EFAULT;
2250
2251 for(i=0; i<nsems; i++) {
2252 __get_user((*host_array)[i], &array[i]);
2253 }
2254 unlock_user(array, target_addr, 0);
2255
2256 return 0;
2257}
2258
2259static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2260 unsigned short **host_array)
2261{
2262 int nsems;
2263 unsigned short *array;
2264 union semun semun;
2265 struct semid_ds semid_ds;
2266 int i, ret;
2267
2268 semun.buf = &semid_ds;
2269
2270 ret = semctl(semid, 0, IPC_STAT, semun);
2271 if (ret == -1)
2272 return get_errno(ret);
2273
2274 nsems = semid_ds.sem_nsems;
2275
2276 array = lock_user(VERIFY_WRITE, target_addr,
2277 nsems*sizeof(unsigned short), 0);
2278 if (!array)
2279 return -TARGET_EFAULT;
2280
2281 for(i=0; i<nsems; i++) {
2282 __put_user((*host_array)[i], &array[i]);
2283 }
2284 free(*host_array);
2285 unlock_user(array, target_addr, 1);
2286
2287 return 0;
2288}
2289
2290static inline abi_long do_semctl(int semid, int semnum, int cmd,
2291 union target_semun target_su)
2292{
2293 union semun arg;
2294 struct semid_ds dsarg;
2295 unsigned short *array = NULL;
2296 struct seminfo seminfo;
2297 abi_long ret = -TARGET_EINVAL;
2298 abi_long err;
2299 cmd &= 0xff;
2300
2301 switch( cmd ) {
2302 case GETVAL:
2303 case SETVAL:
2304 arg.val = tswapl(target_su.val);
2305 ret = get_errno(semctl(semid, semnum, cmd, arg));
2306 target_su.val = tswapl(arg.val);
2307 break;
2308 case GETALL:
2309 case SETALL:
2310 err = target_to_host_semarray(semid, &array, target_su.array);
2311 if (err)
2312 return err;
2313 arg.array = array;
2314 ret = get_errno(semctl(semid, semnum, cmd, arg));
2315 err = host_to_target_semarray(semid, target_su.array, &array);
2316 if (err)
2317 return err;
2318 break;
2319 case IPC_STAT:
2320 case IPC_SET:
2321 case SEM_STAT:
2322 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2323 if (err)
2324 return err;
2325 arg.buf = &dsarg;
2326 ret = get_errno(semctl(semid, semnum, cmd, arg));
2327 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2328 if (err)
2329 return err;
2330 break;
2331 case IPC_INFO:
2332 case SEM_INFO:
2333 arg.__buf = &seminfo;
2334 ret = get_errno(semctl(semid, semnum, cmd, arg));
2335 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2336 if (err)
2337 return err;
2338 break;
2339 case IPC_RMID:
2340 case GETPID:
2341 case GETNCNT:
2342 case GETZCNT:
2343 ret = get_errno(semctl(semid, semnum, cmd, NULL));
2344 break;
2345 }
2346
2347 return ret;
2348}
2349
2350struct target_sembuf {
2351 unsigned short sem_num;
2352 short sem_op;
2353 short sem_flg;
2354};
2355
2356static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2357 abi_ulong target_addr,
2358 unsigned nsops)
2359{
2360 struct target_sembuf *target_sembuf;
2361 int i;
2362
2363 target_sembuf = lock_user(VERIFY_READ, target_addr,
2364 nsops*sizeof(struct target_sembuf), 1);
2365 if (!target_sembuf)
2366 return -TARGET_EFAULT;
2367
2368 for(i=0; i<nsops; i++) {
2369 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2370 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2371 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2372 }
2373
2374 unlock_user(target_sembuf, target_addr, 0);
2375
2376 return 0;
2377}
2378
2379static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2380{
2381 struct sembuf sops[nsops];
2382
2383 if (target_to_host_sembuf(sops, ptr, nsops))
2384 return -TARGET_EFAULT;
2385
2386 return semop(semid, sops, nsops);
2387}
2388
2389struct target_msqid_ds
2390{
2391 struct target_ipc_perm msg_perm;
2392 abi_ulong msg_stime;
2393#if TARGET_ABI_BITS == 32
2394 abi_ulong __unused1;
2395#endif
2396 abi_ulong msg_rtime;
2397#if TARGET_ABI_BITS == 32
2398 abi_ulong __unused2;
2399#endif
2400 abi_ulong msg_ctime;
2401#if TARGET_ABI_BITS == 32
2402 abi_ulong __unused3;
2403#endif
2404 abi_ulong __msg_cbytes;
2405 abi_ulong msg_qnum;
2406 abi_ulong msg_qbytes;
2407 abi_ulong msg_lspid;
2408 abi_ulong msg_lrpid;
2409 abi_ulong __unused4;
2410 abi_ulong __unused5;
2411};
2412
2413static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2414 abi_ulong target_addr)
2415{
2416 struct target_msqid_ds *target_md;
2417
2418 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2419 return -TARGET_EFAULT;
2420 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2421 return -TARGET_EFAULT;
2422 host_md->msg_stime = tswapl(target_md->msg_stime);
2423 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2424 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2425 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2426 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2427 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2428 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2429 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2430 unlock_user_struct(target_md, target_addr, 0);
2431 return 0;
2432}
2433
2434static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2435 struct msqid_ds *host_md)
2436{
2437 struct target_msqid_ds *target_md;
2438
2439 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2440 return -TARGET_EFAULT;
2441 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2442 return -TARGET_EFAULT;
2443 target_md->msg_stime = tswapl(host_md->msg_stime);
2444 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2445 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2446 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2447 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2448 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2449 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2450 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2451 unlock_user_struct(target_md, target_addr, 1);
2452 return 0;
2453}
2454
2455struct target_msginfo {
2456 int msgpool;
2457 int msgmap;
2458 int msgmax;
2459 int msgmnb;
2460 int msgmni;
2461 int msgssz;
2462 int msgtql;
2463 unsigned short int msgseg;
2464};
2465
2466static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2467 struct msginfo *host_msginfo)
2468{
2469 struct target_msginfo *target_msginfo;
2470 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2471 return -TARGET_EFAULT;
2472 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2473 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2474 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2475 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2476 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2477 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2478 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2479 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2480 unlock_user_struct(target_msginfo, target_addr, 1);
2481 return 0;
2482}
2483
2484static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
2485{
2486 struct msqid_ds dsarg;
2487 struct msginfo msginfo;
2488 abi_long ret = -TARGET_EINVAL;
2489
2490 cmd &= 0xff;
2491
2492 switch (cmd) {
2493 case IPC_STAT:
2494 case IPC_SET:
2495 case MSG_STAT:
2496 if (target_to_host_msqid_ds(&dsarg,ptr))
2497 return -TARGET_EFAULT;
2498 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2499 if (host_to_target_msqid_ds(ptr,&dsarg))
2500 return -TARGET_EFAULT;
2501 break;
2502 case IPC_RMID:
2503 ret = get_errno(msgctl(msgid, cmd, NULL));
2504 break;
2505 case IPC_INFO:
2506 case MSG_INFO:
2507 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2508 if (host_to_target_msginfo(ptr, &msginfo))
2509 return -TARGET_EFAULT;
2510 break;
2511 }
2512
2513 return ret;
2514}
2515
2516struct target_msgbuf {
2517 abi_long mtype;
2518 char mtext[1];
2519};
2520
2521static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2522 unsigned int msgsz, int msgflg)
2523{
2524 struct target_msgbuf *target_mb;
2525 struct msgbuf *host_mb;
2526 abi_long ret = 0;
2527
2528 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2529 return -TARGET_EFAULT;
2530 host_mb = malloc(msgsz+sizeof(long));
2531 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2532 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
2533 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2534 free(host_mb);
2535 unlock_user_struct(target_mb, msgp, 0);
2536
2537 return ret;
2538}
2539
2540static inline abi_long do_msgrcv(int msqid, abi_long msgp,
2541 unsigned int msgsz, abi_long msgtyp,
2542 int msgflg)
2543{
2544 struct target_msgbuf *target_mb;
2545 char *target_mtext;
2546 struct msgbuf *host_mb;
2547 abi_long ret = 0;
2548
2549 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2550 return -TARGET_EFAULT;
2551
2552 host_mb = malloc(msgsz+sizeof(long));
2553 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2554
2555 if (ret > 0) {
2556 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2557 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2558 if (!target_mtext) {
2559 ret = -TARGET_EFAULT;
2560 goto end;
2561 }
2562 memcpy(target_mb->mtext, host_mb->mtext, ret);
2563 unlock_user(target_mtext, target_mtext_addr, ret);
2564 }
2565
2566 target_mb->mtype = tswapl(host_mb->mtype);
2567 free(host_mb);
2568
2569end:
2570 if (target_mb)
2571 unlock_user_struct(target_mb, msgp, 1);
2572 return ret;
2573}
2574
2575struct target_shmid_ds
2576{
2577 struct target_ipc_perm shm_perm;
2578 abi_ulong shm_segsz;
2579 abi_ulong shm_atime;
2580#if TARGET_ABI_BITS == 32
2581 abi_ulong __unused1;
2582#endif
2583 abi_ulong shm_dtime;
2584#if TARGET_ABI_BITS == 32
2585 abi_ulong __unused2;
2586#endif
2587 abi_ulong shm_ctime;
2588#if TARGET_ABI_BITS == 32
2589 abi_ulong __unused3;
2590#endif
2591 int shm_cpid;
2592 int shm_lpid;
2593 abi_ulong shm_nattch;
2594 unsigned long int __unused4;
2595 unsigned long int __unused5;
2596};
2597
2598static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2599 abi_ulong target_addr)
2600{
2601 struct target_shmid_ds *target_sd;
2602
2603 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2604 return -TARGET_EFAULT;
2605 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2606 return -TARGET_EFAULT;
2607 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2608 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2609 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2610 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2611 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2612 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2613 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2614 unlock_user_struct(target_sd, target_addr, 0);
2615 return 0;
2616}
2617
2618static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2619 struct shmid_ds *host_sd)
2620{
2621 struct target_shmid_ds *target_sd;
2622
2623 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2624 return -TARGET_EFAULT;
2625 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2626 return -TARGET_EFAULT;
2627 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2628 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2629 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2630 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2631 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2632 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2633 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2634 unlock_user_struct(target_sd, target_addr, 1);
2635 return 0;
2636}
2637
2638struct target_shminfo {
2639 abi_ulong shmmax;
2640 abi_ulong shmmin;
2641 abi_ulong shmmni;
2642 abi_ulong shmseg;
2643 abi_ulong shmall;
2644};
2645
2646static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2647 struct shminfo *host_shminfo)
2648{
2649 struct target_shminfo *target_shminfo;
2650 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2651 return -TARGET_EFAULT;
2652 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2653 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2654 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2655 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2656 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2657 unlock_user_struct(target_shminfo, target_addr, 1);
2658 return 0;
2659}
2660
2661struct target_shm_info {
2662 int used_ids;
2663 abi_ulong shm_tot;
2664 abi_ulong shm_rss;
2665 abi_ulong shm_swp;
2666 abi_ulong swap_attempts;
2667 abi_ulong swap_successes;
2668};
2669
2670static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2671 struct shm_info *host_shm_info)
2672{
2673 struct target_shm_info *target_shm_info;
2674 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2675 return -TARGET_EFAULT;
2676 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2677 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2678 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2679 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2680 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2681 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2682 unlock_user_struct(target_shm_info, target_addr, 1);
2683 return 0;
2684}
2685
2686static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2687{
2688 struct shmid_ds dsarg;
2689 struct shminfo shminfo;
2690 struct shm_info shm_info;
2691 abi_long ret = -TARGET_EINVAL;
2692
2693 cmd &= 0xff;
2694
2695 switch(cmd) {
2696 case IPC_STAT:
2697 case IPC_SET:
2698 case SHM_STAT:
2699 if (target_to_host_shmid_ds(&dsarg, buf))
2700 return -TARGET_EFAULT;
2701 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2702 if (host_to_target_shmid_ds(buf, &dsarg))
2703 return -TARGET_EFAULT;
2704 break;
2705 case IPC_INFO:
2706 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2707 if (host_to_target_shminfo(buf, &shminfo))
2708 return -TARGET_EFAULT;
2709 break;
2710 case SHM_INFO:
2711 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2712 if (host_to_target_shm_info(buf, &shm_info))
2713 return -TARGET_EFAULT;
2714 break;
2715 case IPC_RMID:
2716 case SHM_LOCK:
2717 case SHM_UNLOCK:
2718 ret = get_errno(shmctl(shmid, cmd, NULL));
2719 break;
2720 }
2721
2722 return ret;
2723}
2724
2725static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2726{
2727 abi_long raddr;
2728 void *host_raddr;
2729 struct shmid_ds shm_info;
2730 int i,ret;
2731
2732
2733 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2734 if (is_error(ret)) {
2735
2736 return ret;
2737 }
2738
2739 mmap_lock();
2740
2741 if (shmaddr)
2742 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2743 else {
2744 abi_ulong mmap_start;
2745
2746 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2747
2748 if (mmap_start == -1) {
2749 errno = ENOMEM;
2750 host_raddr = (void *)-1;
2751 } else
2752 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2753 }
2754
2755 if (host_raddr == (void *)-1) {
2756 mmap_unlock();
2757 return get_errno((long)host_raddr);
2758 }
2759 raddr=h2g((unsigned long)host_raddr);
2760
2761 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2762 PAGE_VALID | PAGE_READ |
2763 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2764
2765 for (i = 0; i < N_SHM_REGIONS; i++) {
2766 if (shm_regions[i].start == 0) {
2767 shm_regions[i].start = raddr;
2768 shm_regions[i].size = shm_info.shm_segsz;
2769 break;
2770 }
2771 }
2772
2773 mmap_unlock();
2774 return raddr;
2775
2776}
2777
2778static inline abi_long do_shmdt(abi_ulong shmaddr)
2779{
2780 int i;
2781
2782 for (i = 0; i < N_SHM_REGIONS; ++i) {
2783 if (shm_regions[i].start == shmaddr) {
2784 shm_regions[i].start = 0;
2785 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
2786 break;
2787 }
2788 }
2789
2790 return get_errno(shmdt(g2h(shmaddr)));
2791}
2792
2793#ifdef TARGET_NR_ipc
2794
2795
2796static abi_long do_ipc(unsigned int call, int first,
2797 int second, int third,
2798 abi_long ptr, abi_long fifth)
2799{
2800 int version;
2801 abi_long ret = 0;
2802
2803 version = call >> 16;
2804 call &= 0xffff;
2805
2806 switch (call) {
2807 case IPCOP_semop:
2808 ret = do_semop(first, ptr, second);
2809 break;
2810
2811 case IPCOP_semget:
2812 ret = get_errno(semget(first, second, third));
2813 break;
2814
2815 case IPCOP_semctl:
2816 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
2817 break;
2818
2819 case IPCOP_msgget:
2820 ret = get_errno(msgget(first, second));
2821 break;
2822
2823 case IPCOP_msgsnd:
2824 ret = do_msgsnd(first, ptr, second, third);
2825 break;
2826
2827 case IPCOP_msgctl:
2828 ret = do_msgctl(first, second, ptr);
2829 break;
2830
2831 case IPCOP_msgrcv:
2832 switch (version) {
2833 case 0:
2834 {
2835 struct target_ipc_kludge {
2836 abi_long msgp;
2837 abi_long msgtyp;
2838 } *tmp;
2839
2840 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2841 ret = -TARGET_EFAULT;
2842 break;
2843 }
2844
2845 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
2846
2847 unlock_user_struct(tmp, ptr, 0);
2848 break;
2849 }
2850 default:
2851 ret = do_msgrcv(first, ptr, second, fifth, third);
2852 }
2853 break;
2854
2855 case IPCOP_shmat:
2856 switch (version) {
2857 default:
2858 {
2859 abi_ulong raddr;
2860 raddr = do_shmat(first, ptr, second);
2861 if (is_error(raddr))
2862 return get_errno(raddr);
2863 if (put_user_ual(raddr, third))
2864 return -TARGET_EFAULT;
2865 break;
2866 }
2867 case 1:
2868 ret = -TARGET_EINVAL;
2869 break;
2870 }
2871 break;
2872 case IPCOP_shmdt:
2873 ret = do_shmdt(ptr);
2874 break;
2875
2876 case IPCOP_shmget:
2877
2878 ret = get_errno(shmget(first, second, third));
2879 break;
2880
2881
2882 case IPCOP_shmctl:
2883 ret = do_shmctl(first, second, third);
2884 break;
2885 default:
2886 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2887 ret = -TARGET_ENOSYS;
2888 break;
2889 }
2890 return ret;
2891}
2892#endif
2893
2894
2895#define IFNAMSIZ 16
2896
2897#define STRUCT(name, ...) STRUCT_ ## name,
2898#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2899enum {
2900#include "syscall_types.h"
2901};
2902#undef STRUCT
2903#undef STRUCT_SPECIAL
2904
2905#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
2906#define STRUCT_SPECIAL(name)
2907#include "syscall_types.h"
2908#undef STRUCT
2909#undef STRUCT_SPECIAL
2910
2911typedef struct IOCTLEntry {
2912 unsigned int target_cmd;
2913 unsigned int host_cmd;
2914 const char *name;
2915 int access;
2916 const argtype arg_type[5];
2917} IOCTLEntry;
2918
2919#define IOC_R 0x0001
2920#define IOC_W 0x0002
2921#define IOC_RW (IOC_R | IOC_W)
2922
2923#define MAX_STRUCT_SIZE 4096
2924
2925static IOCTLEntry ioctl_entries[] = {
2926#define IOCTL(cmd, access, ...) \
2927 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
2928#include "ioctls.h"
2929 { 0, 0, },
2930};
2931
2932
2933
2934static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
2935{
2936 const IOCTLEntry *ie;
2937 const argtype *arg_type;
2938 abi_long ret;
2939 uint8_t buf_temp[MAX_STRUCT_SIZE];
2940 int target_size;
2941 void *argptr;
2942
2943 ie = ioctl_entries;
2944 for(;;) {
2945 if (ie->target_cmd == 0) {
2946 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
2947 return -TARGET_ENOSYS;
2948 }
2949 if (ie->target_cmd == cmd)
2950 break;
2951 ie++;
2952 }
2953 arg_type = ie->arg_type;
2954#if defined(DEBUG)
2955 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
2956#endif
2957 switch(arg_type[0]) {
2958 case TYPE_NULL:
2959
2960 ret = get_errno(ioctl(fd, ie->host_cmd));
2961 break;
2962 case TYPE_PTRVOID:
2963 case TYPE_INT:
2964
2965 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2966 break;
2967 case TYPE_PTR:
2968 arg_type++;
2969 target_size = thunk_type_size(arg_type, 0);
2970 switch(ie->access) {
2971 case IOC_R:
2972 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2973 if (!is_error(ret)) {
2974 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2975 if (!argptr)
2976 return -TARGET_EFAULT;
2977 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2978 unlock_user(argptr, arg, target_size);
2979 }
2980 break;
2981 case IOC_W:
2982 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2983 if (!argptr)
2984 return -TARGET_EFAULT;
2985 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2986 unlock_user(argptr, arg, 0);
2987 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2988 break;
2989 default:
2990 case IOC_RW:
2991 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2992 if (!argptr)
2993 return -TARGET_EFAULT;
2994 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2995 unlock_user(argptr, arg, 0);
2996 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2997 if (!is_error(ret)) {
2998 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2999 if (!argptr)
3000 return -TARGET_EFAULT;
3001 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3002 unlock_user(argptr, arg, target_size);
3003 }
3004 break;
3005 }
3006 break;
3007 default:
3008 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3009 (long)cmd, arg_type[0]);
3010 ret = -TARGET_ENOSYS;
3011 break;
3012 }
3013 return ret;
3014}
3015
3016static const bitmask_transtbl iflag_tbl[] = {
3017 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3018 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3019 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3020 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3021 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3022 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3023 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3024 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3025 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3026 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3027 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3028 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3029 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3030 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3031 { 0, 0, 0, 0 }
3032};
3033
3034static const bitmask_transtbl oflag_tbl[] = {
3035 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3036 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3037 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3038 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3039 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3040 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3041 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3042 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3043 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3044 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3045 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3046 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3047 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3048 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3049 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3050 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3051 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3052 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3053 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3054 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3055 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3056 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3057 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3058 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3059 { 0, 0, 0, 0 }
3060};
3061
3062static const bitmask_transtbl cflag_tbl[] = {
3063 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3064 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3065 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3066 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3067 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3068 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3069 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3070 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3071 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3072 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3073 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3074 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3075 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3076 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3077 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3078 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3079 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3080 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3081 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3082 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3083 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3084 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3085 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3086 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3087 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3088 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3089 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3090 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3091 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3092 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3093 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3094 { 0, 0, 0, 0 }
3095};
3096
3097static const bitmask_transtbl lflag_tbl[] = {
3098 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3099 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3100 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3101 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3102 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3103 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3104 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3105 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3106 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3107 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3108 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3109 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3110 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3111 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3112 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3113 { 0, 0, 0, 0 }
3114};
3115
3116static void target_to_host_termios (void *dst, const void *src)
3117{
3118 struct host_termios *host = dst;
3119 const struct target_termios *target = src;
3120
3121 host->c_iflag =
3122 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
3123 host->c_oflag =
3124 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
3125 host->c_cflag =
3126 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
3127 host->c_lflag =
3128 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3129 host->c_line = target->c_line;
3130
3131 memset(host->c_cc, 0, sizeof(host->c_cc));
3132 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3133 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3134 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
3135 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3136 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
3137 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3138 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
3139 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3140 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
3141 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3142 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3143 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3144 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3145 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3146 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3147 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
3148 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
3149}
3150
3151static void host_to_target_termios (void *dst, const void *src)
3152{
3153 struct target_termios *target = dst;
3154 const struct host_termios *host = src;
3155
3156 target->c_iflag =
3157 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
3158 target->c_oflag =
3159 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
3160 target->c_cflag =
3161 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
3162 target->c_lflag =
3163 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3164 target->c_line = host->c_line;
3165
3166 memset(target->c_cc, 0, sizeof(target->c_cc));
3167 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3168 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3169 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3170 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3171 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3172 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3173 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3174 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3175 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3176 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3177 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3178 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3179 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3180 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3181 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3182 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3183 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3184}
3185
3186static const StructEntry struct_termios_def = {
3187 .convert = { host_to_target_termios, target_to_host_termios },
3188 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3189 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3190};
3191
3192static bitmask_transtbl mmap_flags_tbl[] = {
3193 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3194 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3195 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3196 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3197 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3198 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3199 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3200 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3201 { 0, 0, 0, 0 }
3202};
3203
3204#if defined(TARGET_I386)
3205
3206
3207static uint8_t *ldt_table;
3208
3209static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
3210{
3211 int size;
3212 void *p;
3213
3214 if (!ldt_table)
3215 return 0;
3216 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3217 if (size > bytecount)
3218 size = bytecount;
3219 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3220 if (!p)
3221 return -TARGET_EFAULT;
3222
3223 memcpy(p, ldt_table, size);
3224 unlock_user(p, ptr, size);
3225 return size;
3226}
3227
3228
3229static abi_long write_ldt(CPUX86State *env,
3230 abi_ulong ptr, unsigned long bytecount, int oldmode)
3231{
3232 struct target_modify_ldt_ldt_s ldt_info;
3233 struct target_modify_ldt_ldt_s *target_ldt_info;
3234 int seg_32bit, contents, read_exec_only, limit_in_pages;
3235 int seg_not_present, useable, lm;
3236 uint32_t *lp, entry_1, entry_2;
3237
3238 if (bytecount != sizeof(ldt_info))
3239 return -TARGET_EINVAL;
3240 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
3241 return -TARGET_EFAULT;
3242 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3243 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3244 ldt_info.limit = tswap32(target_ldt_info->limit);
3245 ldt_info.flags = tswap32(target_ldt_info->flags);
3246 unlock_user_struct(target_ldt_info, ptr, 0);
3247
3248 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
3249 return -TARGET_EINVAL;
3250 seg_32bit = ldt_info.flags & 1;
3251 contents = (ldt_info.flags >> 1) & 3;
3252 read_exec_only = (ldt_info.flags >> 3) & 1;
3253 limit_in_pages = (ldt_info.flags >> 4) & 1;
3254 seg_not_present = (ldt_info.flags >> 5) & 1;
3255 useable = (ldt_info.flags >> 6) & 1;
3256#ifdef TARGET_ABI32
3257 lm = 0;
3258#else
3259 lm = (ldt_info.flags >> 7) & 1;
3260#endif
3261 if (contents == 3) {
3262 if (oldmode)
3263 return -TARGET_EINVAL;
3264 if (seg_not_present == 0)
3265 return -TARGET_EINVAL;
3266 }
3267
3268 if (!ldt_table) {
3269 env->ldt.base = target_mmap(0,
3270 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3271 PROT_READ|PROT_WRITE,
3272 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3273 if (env->ldt.base == -1)
3274 return -TARGET_ENOMEM;
3275 memset(g2h(env->ldt.base), 0,
3276 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
3277 env->ldt.limit = 0xffff;
3278 ldt_table = g2h(env->ldt.base);
3279 }
3280
3281
3282
3283 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3284 if (oldmode ||
3285 (contents == 0 &&
3286 read_exec_only == 1 &&
3287 seg_32bit == 0 &&
3288 limit_in_pages == 0 &&
3289 seg_not_present == 1 &&
3290 useable == 0 )) {
3291 entry_1 = 0;
3292 entry_2 = 0;
3293 goto install;
3294 }
3295 }
3296
3297 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3298 (ldt_info.limit & 0x0ffff);
3299 entry_2 = (ldt_info.base_addr & 0xff000000) |
3300 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3301 (ldt_info.limit & 0xf0000) |
3302 ((read_exec_only ^ 1) << 9) |
3303 (contents << 10) |
3304 ((seg_not_present ^ 1) << 15) |
3305 (seg_32bit << 22) |
3306 (limit_in_pages << 23) |
3307 (lm << 21) |
3308 0x7000;
3309 if (!oldmode)
3310 entry_2 |= (useable << 20);
3311
3312
3313install:
3314 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3315 lp[0] = tswap32(entry_1);
3316 lp[1] = tswap32(entry_2);
3317 return 0;
3318}
3319
3320
3321static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3322 unsigned long bytecount)
3323{
3324 abi_long ret;
3325
3326 switch (func) {
3327 case 0:
3328 ret = read_ldt(ptr, bytecount);
3329 break;
3330 case 1:
3331 ret = write_ldt(env, ptr, bytecount, 1);
3332 break;
3333 case 0x11:
3334 ret = write_ldt(env, ptr, bytecount, 0);
3335 break;
3336 default:
3337 ret = -TARGET_ENOSYS;
3338 break;
3339 }
3340 return ret;
3341}
3342
3343#if defined(TARGET_I386) && defined(TARGET_ABI32)
3344static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
3345{
3346 uint64_t *gdt_table = g2h(env->gdt.base);
3347 struct target_modify_ldt_ldt_s ldt_info;
3348 struct target_modify_ldt_ldt_s *target_ldt_info;
3349 int seg_32bit, contents, read_exec_only, limit_in_pages;
3350 int seg_not_present, useable, lm;
3351 uint32_t *lp, entry_1, entry_2;
3352 int i;
3353
3354 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3355 if (!target_ldt_info)
3356 return -TARGET_EFAULT;
3357 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3358 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3359 ldt_info.limit = tswap32(target_ldt_info->limit);
3360 ldt_info.flags = tswap32(target_ldt_info->flags);
3361 if (ldt_info.entry_number == -1) {
3362 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3363 if (gdt_table[i] == 0) {
3364 ldt_info.entry_number = i;
3365 target_ldt_info->entry_number = tswap32(i);
3366 break;
3367 }
3368 }
3369 }
3370 unlock_user_struct(target_ldt_info, ptr, 1);
3371
3372 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3373 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3374 return -TARGET_EINVAL;
3375 seg_32bit = ldt_info.flags & 1;
3376 contents = (ldt_info.flags >> 1) & 3;
3377 read_exec_only = (ldt_info.flags >> 3) & 1;
3378 limit_in_pages = (ldt_info.flags >> 4) & 1;
3379 seg_not_present = (ldt_info.flags >> 5) & 1;
3380 useable = (ldt_info.flags >> 6) & 1;
3381#ifdef TARGET_ABI32
3382 lm = 0;
3383#else
3384 lm = (ldt_info.flags >> 7) & 1;
3385#endif
3386
3387 if (contents == 3) {
3388 if (seg_not_present == 0)
3389 return -TARGET_EINVAL;
3390 }
3391
3392
3393
3394 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3395 if ((contents == 0 &&
3396 read_exec_only == 1 &&
3397 seg_32bit == 0 &&
3398 limit_in_pages == 0 &&
3399 seg_not_present == 1 &&
3400 useable == 0 )) {
3401 entry_1 = 0;
3402 entry_2 = 0;
3403 goto install;
3404 }
3405 }
3406
3407 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3408 (ldt_info.limit & 0x0ffff);
3409 entry_2 = (ldt_info.base_addr & 0xff000000) |
3410 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3411 (ldt_info.limit & 0xf0000) |
3412 ((read_exec_only ^ 1) << 9) |
3413 (contents << 10) |
3414 ((seg_not_present ^ 1) << 15) |
3415 (seg_32bit << 22) |
3416 (limit_in_pages << 23) |
3417 (useable << 20) |
3418 (lm << 21) |
3419 0x7000;
3420
3421
3422install:
3423 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3424 lp[0] = tswap32(entry_1);
3425 lp[1] = tswap32(entry_2);
3426 return 0;
3427}
3428
3429static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
3430{
3431 struct target_modify_ldt_ldt_s *target_ldt_info;
3432 uint64_t *gdt_table = g2h(env->gdt.base);
3433 uint32_t base_addr, limit, flags;
3434 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3435 int seg_not_present, useable, lm;
3436 uint32_t *lp, entry_1, entry_2;
3437
3438 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3439 if (!target_ldt_info)
3440 return -TARGET_EFAULT;
3441 idx = tswap32(target_ldt_info->entry_number);
3442 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3443 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3444 unlock_user_struct(target_ldt_info, ptr, 1);
3445 return -TARGET_EINVAL;
3446 }
3447 lp = (uint32_t *)(gdt_table + idx);
3448 entry_1 = tswap32(lp[0]);
3449 entry_2 = tswap32(lp[1]);
3450
3451 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3452 contents = (entry_2 >> 10) & 3;
3453 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3454 seg_32bit = (entry_2 >> 22) & 1;
3455 limit_in_pages = (entry_2 >> 23) & 1;
3456 useable = (entry_2 >> 20) & 1;
3457#ifdef TARGET_ABI32
3458 lm = 0;
3459#else
3460 lm = (entry_2 >> 21) & 1;
3461#endif
3462 flags = (seg_32bit << 0) | (contents << 1) |
3463 (read_exec_only << 3) | (limit_in_pages << 4) |
3464 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3465 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3466 base_addr = (entry_1 >> 16) |
3467 (entry_2 & 0xff000000) |
3468 ((entry_2 & 0xff) << 16);
3469 target_ldt_info->base_addr = tswapl(base_addr);
3470 target_ldt_info->limit = tswap32(limit);
3471 target_ldt_info->flags = tswap32(flags);
3472 unlock_user_struct(target_ldt_info, ptr, 1);
3473 return 0;
3474}
3475#endif
3476
3477#ifndef TARGET_ABI32
3478static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
3479{
3480 abi_long ret;
3481 abi_ulong val;
3482 int idx;
3483
3484 switch(code) {
3485 case TARGET_ARCH_SET_GS:
3486 case TARGET_ARCH_SET_FS:
3487 if (code == TARGET_ARCH_SET_GS)
3488 idx = R_GS;
3489 else
3490 idx = R_FS;
3491 cpu_x86_load_seg(env, idx, 0);
3492 env->segs[idx].base = addr;
3493 break;
3494 case TARGET_ARCH_GET_GS:
3495 case TARGET_ARCH_GET_FS:
3496 if (code == TARGET_ARCH_GET_GS)
3497 idx = R_GS;
3498 else
3499 idx = R_FS;
3500 val = env->segs[idx].base;
3501 if (put_user(val, addr, abi_ulong))
3502 return -TARGET_EFAULT;
3503 break;
3504 default:
3505 ret = -TARGET_EINVAL;
3506 break;
3507 }
3508 return 0;
3509}
3510#endif
3511
3512#endif
3513
3514#if defined(CONFIG_USE_NPTL)
3515
3516#define NEW_STACK_SIZE PTHREAD_STACK_MIN
3517
3518static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3519typedef struct {
3520 CPUState *env;
3521 pthread_mutex_t mutex;
3522 pthread_cond_t cond;
3523 pthread_t thread;
3524 uint32_t tid;
3525 abi_ulong child_tidptr;
3526 abi_ulong parent_tidptr;
3527 sigset_t sigmask;
3528} new_thread_info;
3529
3530static void *clone_func(void *arg)
3531{
3532 new_thread_info *info = arg;
3533 CPUState *env;
3534 TaskState *ts;
3535
3536 env = info->env;
3537 thread_env = env;
3538 ts = (TaskState *)thread_env->opaque;
3539 info->tid = gettid();
3540 env->host_tid = info->tid;
3541 task_settid(ts);
3542 if (info->child_tidptr)
3543 put_user_u32(info->tid, info->child_tidptr);
3544 if (info->parent_tidptr)
3545 put_user_u32(info->tid, info->parent_tidptr);
3546
3547 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3548
3549 pthread_mutex_lock(&info->mutex);
3550 pthread_cond_broadcast(&info->cond);
3551 pthread_mutex_unlock(&info->mutex);
3552
3553 pthread_mutex_lock(&clone_lock);
3554 pthread_mutex_unlock(&clone_lock);
3555 cpu_loop(env);
3556
3557 return NULL;
3558}
3559#else
3560
3561
3562#define NEW_STACK_SIZE 8192
3563
3564static int clone_func(void *arg)
3565{
3566 CPUState *env = arg;
3567 cpu_loop(env);
3568
3569 return 0;
3570}
3571#endif
3572
3573
3574
3575static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3576 abi_ulong parent_tidptr, target_ulong newtls,
3577 abi_ulong child_tidptr)
3578{
3579 int ret;
3580 TaskState *ts;
3581 uint8_t *new_stack;
3582 CPUState *new_env;
3583#if defined(CONFIG_USE_NPTL)
3584 unsigned int nptl_flags;
3585 sigset_t sigmask;
3586#endif
3587
3588
3589 if (flags & CLONE_VFORK)
3590 flags &= ~(CLONE_VFORK | CLONE_VM);
3591
3592 if (flags & CLONE_VM) {
3593 TaskState *parent_ts = (TaskState *)env->opaque;
3594#if defined(CONFIG_USE_NPTL)
3595 new_thread_info info;
3596 pthread_attr_t attr;
3597#endif
3598 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
3599 init_task_state(ts);
3600 new_stack = ts->stack;
3601
3602 new_env = cpu_copy(env);
3603#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
3604 cpu_reset(new_env);
3605#endif
3606
3607 cpu_clone_regs(new_env, newsp);
3608 new_env->opaque = ts;
3609 ts->bprm = parent_ts->bprm;
3610 ts->info = parent_ts->info;
3611#if defined(CONFIG_USE_NPTL)
3612 nptl_flags = flags;
3613 flags &= ~CLONE_NPTL_FLAGS2;
3614
3615 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3616 ts->child_tidptr = child_tidptr;
3617 }
3618
3619 if (nptl_flags & CLONE_SETTLS)
3620 cpu_set_tls (new_env, newtls);
3621
3622
3623 pthread_mutex_lock(&clone_lock);
3624
3625 memset(&info, 0, sizeof(info));
3626 pthread_mutex_init(&info.mutex, NULL);
3627 pthread_mutex_lock(&info.mutex);
3628 pthread_cond_init(&info.cond, NULL);
3629 info.env = new_env;
3630 if (nptl_flags & CLONE_CHILD_SETTID)
3631 info.child_tidptr = child_tidptr;
3632 if (nptl_flags & CLONE_PARENT_SETTID)
3633 info.parent_tidptr = parent_tidptr;
3634
3635 ret = pthread_attr_init(&attr);
3636 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3637
3638
3639 sigfillset(&sigmask);
3640 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3641
3642 ret = pthread_create(&info.thread, &attr, clone_func, &info);
3643
3644
3645 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3646 pthread_attr_destroy(&attr);
3647 if (ret == 0) {
3648
3649 pthread_cond_wait(&info.cond, &info.mutex);
3650 ret = info.tid;
3651 if (flags & CLONE_PARENT_SETTID)
3652 put_user_u32(ret, parent_tidptr);
3653 } else {
3654 ret = -1;
3655 }
3656 pthread_mutex_unlock(&info.mutex);
3657 pthread_cond_destroy(&info.cond);
3658 pthread_mutex_destroy(&info.mutex);
3659 pthread_mutex_unlock(&clone_lock);
3660#else
3661 if (flags & CLONE_NPTL_FLAGS2)
3662 return -EINVAL;
3663
3664#ifdef __ia64__
3665 ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
3666#else
3667 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
3668#endif
3669#endif
3670 } else {
3671
3672 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
3673 return -EINVAL;
3674 fork_start();
3675 ret = fork();
3676 if (ret == 0) {
3677
3678 cpu_clone_regs(env, newsp);
3679 fork_end(1);
3680#if defined(CONFIG_USE_NPTL)
3681
3682
3683
3684
3685
3686
3687 if (flags & CLONE_CHILD_SETTID)
3688 put_user_u32(gettid(), child_tidptr);
3689 if (flags & CLONE_PARENT_SETTID)
3690 put_user_u32(gettid(), parent_tidptr);
3691 ts = (TaskState *)env->opaque;
3692 if (flags & CLONE_SETTLS)
3693 cpu_set_tls (env, newtls);
3694 if (flags & CLONE_CHILD_CLEARTID)
3695 ts->child_tidptr = child_tidptr;
3696#endif
3697 } else {
3698 fork_end(0);
3699 }
3700 }
3701 return ret;
3702}
3703
3704
3705static int target_to_host_fcntl_cmd(int cmd)
3706{
3707 switch(cmd) {
3708 case TARGET_F_DUPFD:
3709 case TARGET_F_GETFD:
3710 case TARGET_F_SETFD:
3711 case TARGET_F_GETFL:
3712 case TARGET_F_SETFL:
3713 return cmd;
3714 case TARGET_F_GETLK:
3715 return F_GETLK;
3716 case TARGET_F_SETLK:
3717 return F_SETLK;
3718 case TARGET_F_SETLKW:
3719 return F_SETLKW;
3720 case TARGET_F_GETOWN:
3721 return F_GETOWN;
3722 case TARGET_F_SETOWN:
3723 return F_SETOWN;
3724 case TARGET_F_GETSIG:
3725 return F_GETSIG;
3726 case TARGET_F_SETSIG:
3727 return F_SETSIG;
3728#if TARGET_ABI_BITS == 32
3729 case TARGET_F_GETLK64:
3730 return F_GETLK64;
3731 case TARGET_F_SETLK64:
3732 return F_SETLK64;
3733 case TARGET_F_SETLKW64:
3734 return F_SETLKW64;
3735#endif
3736 case TARGET_F_SETLEASE:
3737 return F_SETLEASE;
3738 case TARGET_F_GETLEASE:
3739 return F_GETLEASE;
3740#ifdef F_DUPFD_CLOEXEC
3741 case TARGET_F_DUPFD_CLOEXEC:
3742 return F_DUPFD_CLOEXEC;
3743#endif
3744 case TARGET_F_NOTIFY:
3745 return F_NOTIFY;
3746 default:
3747 return -TARGET_EINVAL;
3748 }
3749 return -TARGET_EINVAL;
3750}
3751
3752static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
3753{
3754 struct flock fl;
3755 struct target_flock *target_fl;
3756 struct flock64 fl64;
3757 struct target_flock64 *target_fl64;
3758 abi_long ret;
3759 int host_cmd = target_to_host_fcntl_cmd(cmd);
3760
3761 if (host_cmd == -TARGET_EINVAL)
3762 return host_cmd;
3763
3764 switch(cmd) {
3765 case TARGET_F_GETLK:
3766 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3767 return -TARGET_EFAULT;
3768 fl.l_type = tswap16(target_fl->l_type);
3769 fl.l_whence = tswap16(target_fl->l_whence);
3770 fl.l_start = tswapl(target_fl->l_start);
3771 fl.l_len = tswapl(target_fl->l_len);
3772 fl.l_pid = tswap32(target_fl->l_pid);
3773 unlock_user_struct(target_fl, arg, 0);
3774 ret = get_errno(fcntl(fd, host_cmd, &fl));
3775 if (ret == 0) {
3776 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3777 return -TARGET_EFAULT;
3778 target_fl->l_type = tswap16(fl.l_type);
3779 target_fl->l_whence = tswap16(fl.l_whence);
3780 target_fl->l_start = tswapl(fl.l_start);
3781 target_fl->l_len = tswapl(fl.l_len);
3782 target_fl->l_pid = tswap32(fl.l_pid);
3783 unlock_user_struct(target_fl, arg, 1);
3784 }
3785 break;
3786
3787 case TARGET_F_SETLK:
3788 case TARGET_F_SETLKW:
3789 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3790 return -TARGET_EFAULT;
3791 fl.l_type = tswap16(target_fl->l_type);
3792 fl.l_whence = tswap16(target_fl->l_whence);
3793 fl.l_start = tswapl(target_fl->l_start);
3794 fl.l_len = tswapl(target_fl->l_len);
3795 fl.l_pid = tswap32(target_fl->l_pid);
3796 unlock_user_struct(target_fl, arg, 0);
3797 ret = get_errno(fcntl(fd, host_cmd, &fl));
3798 break;
3799
3800 case TARGET_F_GETLK64:
3801 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3802 return -TARGET_EFAULT;
3803 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3804 fl64.l_whence = tswap16(target_fl64->l_whence);
3805 fl64.l_start = tswapl(target_fl64->l_start);
3806 fl64.l_len = tswapl(target_fl64->l_len);
3807 fl64.l_pid = tswap32(target_fl64->l_pid);
3808 unlock_user_struct(target_fl64, arg, 0);
3809 ret = get_errno(fcntl(fd, host_cmd, &fl64));
3810 if (ret == 0) {
3811 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3812 return -TARGET_EFAULT;
3813 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3814 target_fl64->l_whence = tswap16(fl64.l_whence);
3815 target_fl64->l_start = tswapl(fl64.l_start);
3816 target_fl64->l_len = tswapl(fl64.l_len);
3817 target_fl64->l_pid = tswap32(fl64.l_pid);
3818 unlock_user_struct(target_fl64, arg, 1);
3819 }
3820 break;
3821 case TARGET_F_SETLK64:
3822 case TARGET_F_SETLKW64:
3823 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3824 return -TARGET_EFAULT;
3825 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3826 fl64.l_whence = tswap16(target_fl64->l_whence);
3827 fl64.l_start = tswapl(target_fl64->l_start);
3828 fl64.l_len = tswapl(target_fl64->l_len);
3829 fl64.l_pid = tswap32(target_fl64->l_pid);
3830 unlock_user_struct(target_fl64, arg, 0);
3831 ret = get_errno(fcntl(fd, host_cmd, &fl64));
3832 break;
3833
3834 case TARGET_F_GETFL:
3835 ret = get_errno(fcntl(fd, host_cmd, arg));
3836 if (ret >= 0) {
3837 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3838 }
3839 break;
3840
3841 case TARGET_F_SETFL:
3842 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3843 break;
3844
3845 case TARGET_F_SETOWN:
3846 case TARGET_F_GETOWN:
3847 case TARGET_F_SETSIG:
3848 case TARGET_F_GETSIG:
3849 case TARGET_F_SETLEASE:
3850 case TARGET_F_GETLEASE:
3851 ret = get_errno(fcntl(fd, host_cmd, arg));
3852 break;
3853
3854 default:
3855 ret = get_errno(fcntl(fd, cmd, arg));
3856 break;
3857 }
3858 return ret;
3859}
3860
3861#ifdef USE_UID16
3862
3863static inline int high2lowuid(int uid)
3864{
3865 if (uid > 65535)
3866 return 65534;
3867 else
3868 return uid;
3869}
3870
3871static inline int high2lowgid(int gid)
3872{
3873 if (gid > 65535)
3874 return 65534;
3875 else
3876 return gid;
3877}
3878
3879static inline int low2highuid(int uid)
3880{
3881 if ((int16_t)uid == -1)
3882 return -1;
3883 else
3884 return uid;
3885}
3886
3887static inline int low2highgid(int gid)
3888{
3889 if ((int16_t)gid == -1)
3890 return -1;
3891 else
3892 return gid;
3893}
3894
3895#endif
3896
3897void syscall_init(void)
3898{
3899 IOCTLEntry *ie;
3900 const argtype *arg_type;
3901 int size;
3902 int i;
3903
3904#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
3905#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
3906#include "syscall_types.h"
3907#undef STRUCT
3908#undef STRUCT_SPECIAL
3909
3910
3911
3912 ie = ioctl_entries;
3913 while (ie->target_cmd != 0) {
3914 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3915 TARGET_IOC_SIZEMASK) {
3916 arg_type = ie->arg_type;
3917 if (arg_type[0] != TYPE_PTR) {
3918 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
3919 ie->target_cmd);
3920 exit(1);
3921 }
3922 arg_type++;
3923 size = thunk_type_size(arg_type, 0);
3924 ie->target_cmd = (ie->target_cmd &
3925 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3926 (size << TARGET_IOC_SIZESHIFT);
3927 }
3928
3929
3930
3931 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3932 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3933
3934
3935#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3936 (defined(__x86_64__) && defined(TARGET_X86_64))
3937 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3938 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3939 ie->name, ie->target_cmd, ie->host_cmd);
3940 }
3941#endif
3942 ie++;
3943 }
3944}
3945
3946#if TARGET_ABI_BITS == 32
3947static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3948{
3949#ifdef TARGET_WORDS_BIGENDIAN
3950 return ((uint64_t)word0 << 32) | word1;
3951#else
3952 return ((uint64_t)word1 << 32) | word0;
3953#endif
3954}
3955#else
3956static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3957{
3958 return word0;
3959}
3960#endif
3961
3962#ifdef TARGET_NR_truncate64
3963static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3964 abi_long arg2,
3965 abi_long arg3,
3966 abi_long arg4)
3967{
3968#ifdef TARGET_ARM
3969 if (((CPUARMState *)cpu_env)->eabi)
3970 {
3971 arg2 = arg3;
3972 arg3 = arg4;
3973 }
3974#endif
3975 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3976}
3977#endif
3978
3979#ifdef TARGET_NR_ftruncate64
3980static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3981 abi_long arg2,
3982 abi_long arg3,
3983 abi_long arg4)
3984{
3985#ifdef TARGET_ARM
3986 if (((CPUARMState *)cpu_env)->eabi)
3987 {
3988 arg2 = arg3;
3989 arg3 = arg4;
3990 }
3991#endif
3992 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3993}
3994#endif
3995
3996static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3997 abi_ulong target_addr)
3998{
3999 struct target_timespec *target_ts;
4000
4001 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4002 return -TARGET_EFAULT;
4003 host_ts->tv_sec = tswapl(target_ts->tv_sec);
4004 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
4005 unlock_user_struct(target_ts, target_addr, 0);
4006 return 0;
4007}
4008
4009static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4010 struct timespec *host_ts)
4011{
4012 struct target_timespec *target_ts;
4013
4014 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4015 return -TARGET_EFAULT;
4016 target_ts->tv_sec = tswapl(host_ts->tv_sec);
4017 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
4018 unlock_user_struct(target_ts, target_addr, 1);
4019 return 0;
4020}
4021
4022#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
4023static inline abi_long host_to_target_stat64(void *cpu_env,
4024 abi_ulong target_addr,
4025 struct stat *host_st)
4026{
4027#ifdef TARGET_ARM
4028 if (((CPUARMState *)cpu_env)->eabi) {
4029 struct target_eabi_stat64 *target_st;
4030
4031 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4032 return -TARGET_EFAULT;
4033 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4034 __put_user(host_st->st_dev, &target_st->st_dev);
4035 __put_user(host_st->st_ino, &target_st->st_ino);
4036#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4037 __put_user(host_st->st_ino, &target_st->__st_ino);
4038#endif
4039 __put_user(host_st->st_mode, &target_st->st_mode);
4040 __put_user(host_st->st_nlink, &target_st->st_nlink);
4041 __put_user(host_st->st_uid, &target_st->st_uid);
4042 __put_user(host_st->st_gid, &target_st->st_gid);
4043 __put_user(host_st->st_rdev, &target_st->st_rdev);
4044 __put_user(host_st->st_size, &target_st->st_size);
4045 __put_user(host_st->st_blksize, &target_st->st_blksize);
4046 __put_user(host_st->st_blocks, &target_st->st_blocks);
4047 __put_user(host_st->st_atime, &target_st->target_st_atime);
4048 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4049 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4050 unlock_user_struct(target_st, target_addr, 1);
4051 } else
4052#endif
4053 {
4054#if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
4055 struct target_stat *target_st;
4056#else
4057 struct target_stat64 *target_st;
4058#endif
4059
4060 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4061 return -TARGET_EFAULT;
4062 memset(target_st, 0, sizeof(*target_st));
4063 __put_user(host_st->st_dev, &target_st->st_dev);
4064 __put_user(host_st->st_ino, &target_st->st_ino);
4065#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4066 __put_user(host_st->st_ino, &target_st->__st_ino);
4067#endif
4068 __put_user(host_st->st_mode, &target_st->st_mode);
4069 __put_user(host_st->st_nlink, &target_st->st_nlink);
4070 __put_user(host_st->st_uid, &target_st->st_uid);
4071 __put_user(host_st->st_gid, &target_st->st_gid);
4072 __put_user(host_st->st_rdev, &target_st->st_rdev);
4073
4074 __put_user(host_st->st_size, &target_st->st_size);
4075 __put_user(host_st->st_blksize, &target_st->st_blksize);
4076 __put_user(host_st->st_blocks, &target_st->st_blocks);
4077 __put_user(host_st->st_atime, &target_st->target_st_atime);
4078 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4079 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4080 unlock_user_struct(target_st, target_addr, 1);
4081 }
4082
4083 return 0;
4084}
4085#endif
4086
4087#if defined(CONFIG_USE_NPTL)
4088
4089
4090
4091
4092
4093static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4094 target_ulong uaddr2, int val3)
4095{
4096 struct timespec ts, *pts;
4097 int base_op;
4098
4099
4100
4101#ifdef FUTEX_CMD_MASK
4102 base_op = op & FUTEX_CMD_MASK;
4103#else
4104 base_op = op;
4105#endif
4106 switch (base_op) {
4107 case FUTEX_WAIT:
4108 if (timeout) {
4109 pts = &ts;
4110 target_to_host_timespec(pts, timeout);
4111 } else {
4112 pts = NULL;
4113 }
4114 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
4115 pts, NULL, 0));
4116 case FUTEX_WAKE:
4117 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
4118 case FUTEX_FD:
4119 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
4120 case FUTEX_REQUEUE:
4121 case FUTEX_CMP_REQUEUE:
4122 case FUTEX_WAKE_OP:
4123
4124
4125
4126
4127
4128 pts = (struct timespec *)(uintptr_t) timeout;
4129 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4130 g2h(uaddr2),
4131 (base_op == FUTEX_CMP_REQUEUE
4132 ? tswap32(val3)
4133 : val3)));
4134 default:
4135 return -TARGET_ENOSYS;
4136 }
4137}
4138#endif
4139
4140
4141
4142static int host_to_target_waitstatus(int status)
4143{
4144 if (WIFSIGNALED(status)) {
4145 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4146 }
4147 if (WIFSTOPPED(status)) {
4148 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4149 | (status & 0xff);
4150 }
4151 return status;
4152}
4153
4154int get_osversion(void)
4155{
4156 static int osversion;
4157 struct new_utsname buf;
4158 const char *s;
4159 int i, n, tmp;
4160 if (osversion)
4161 return osversion;
4162 if (qemu_uname_release && *qemu_uname_release) {
4163 s = qemu_uname_release;
4164 } else {
4165 if (sys_uname(&buf))
4166 return 0;
4167 s = buf.release;
4168 }
4169 tmp = 0;
4170 for (i = 0; i < 3; i++) {
4171 n = 0;
4172 while (*s >= '0' && *s <= '9') {
4173 n *= 10;
4174 n += *s - '0';
4175 s++;
4176 }
4177 tmp = (tmp << 8) + n;
4178 if (*s == '.')
4179 s++;
4180 }
4181 osversion = tmp;
4182 return osversion;
4183}
4184
4185
4186
4187
4188abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4189 abi_long arg2, abi_long arg3, abi_long arg4,
4190 abi_long arg5, abi_long arg6)
4191{
4192 abi_long ret;
4193 struct stat st;
4194 struct statfs stfs;
4195 void *p;
4196
4197#ifdef DEBUG
4198 gemu_log("syscall %d", num);
4199#endif
4200 if(do_strace)
4201 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4202
4203 switch(num) {
4204 case TARGET_NR_exit:
4205#ifdef CONFIG_USE_NPTL
4206
4207
4208
4209
4210
4211
4212 if (first_cpu->next_cpu) {
4213 TaskState *ts;
4214 CPUState **lastp;
4215 CPUState *p;
4216
4217 cpu_list_lock();
4218 lastp = &first_cpu;
4219 p = first_cpu;
4220 while (p && p != (CPUState *)cpu_env) {
4221 lastp = &p->next_cpu;
4222 p = p->next_cpu;
4223 }
4224
4225
4226 if (!p)
4227 abort();
4228
4229 *lastp = p->next_cpu;
4230 cpu_list_unlock();
4231 ts = ((CPUState *)cpu_env)->opaque;
4232 if (ts->child_tidptr) {
4233 put_user_u32(0, ts->child_tidptr);
4234 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4235 NULL, NULL, 0);
4236 }
4237
4238 pthread_exit(NULL);
4239 }
4240#endif
4241#ifdef TARGET_GPROF
4242 _mcleanup();
4243#endif
4244 gdb_exit(cpu_env, arg1);
4245 _exit(arg1);
4246 ret = 0;
4247 break;
4248 case TARGET_NR_read:
4249 if (arg3 == 0)
4250 ret = 0;
4251 else {
4252 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4253 goto efault;
4254 ret = get_errno(read(arg1, p, arg3));
4255 unlock_user(p, arg2, ret);
4256 }
4257 break;
4258 case TARGET_NR_write:
4259 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4260 goto efault;
4261 ret = get_errno(write(arg1, p, arg3));
4262 unlock_user(p, arg2, 0);
4263 break;
4264 case TARGET_NR_open:
4265 if (!(p = lock_user_string(arg1)))
4266 goto efault;
4267 ret = get_errno(open(path(p),
4268 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4269 arg3));
4270 unlock_user(p, arg1, 0);
4271 break;
4272#if defined(TARGET_NR_openat) && defined(__NR_openat)
4273 case TARGET_NR_openat:
4274 if (!(p = lock_user_string(arg2)))
4275 goto efault;
4276 ret = get_errno(sys_openat(arg1,
4277 path(p),
4278 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4279 arg4));
4280 unlock_user(p, arg2, 0);
4281 break;
4282#endif
4283 case TARGET_NR_close:
4284 ret = get_errno(close(arg1));
4285 break;
4286 case TARGET_NR_brk:
4287 ret = do_brk(arg1);
4288 break;
4289 case TARGET_NR_fork:
4290 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
4291 break;
4292#ifdef TARGET_NR_waitpid
4293 case TARGET_NR_waitpid:
4294 {
4295 int status;
4296 ret = get_errno(waitpid(arg1, &status, arg3));
4297 if (!is_error(ret) && arg2
4298 && put_user_s32(host_to_target_waitstatus(status), arg2))
4299 goto efault;
4300 }
4301 break;
4302#endif
4303#ifdef TARGET_NR_waitid
4304 case TARGET_NR_waitid:
4305 {
4306 siginfo_t info;
4307 info.si_pid = 0;
4308 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4309 if (!is_error(ret) && arg3 && info.si_pid != 0) {
4310 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
4311 goto efault;
4312 host_to_target_siginfo(p, &info);
4313 unlock_user(p, arg3, sizeof(target_siginfo_t));
4314 }
4315 }
4316 break;
4317#endif
4318#ifdef TARGET_NR_creat
4319 case TARGET_NR_creat:
4320 if (!(p = lock_user_string(arg1)))
4321 goto efault;
4322 ret = get_errno(creat(p, arg2));
4323 unlock_user(p, arg1, 0);
4324 break;
4325#endif
4326 case TARGET_NR_link:
4327 {
4328 void * p2;
4329 p = lock_user_string(arg1);
4330 p2 = lock_user_string(arg2);
4331 if (!p || !p2)
4332 ret = -TARGET_EFAULT;
4333 else
4334 ret = get_errno(link(p, p2));
4335 unlock_user(p2, arg2, 0);
4336 unlock_user(p, arg1, 0);
4337 }
4338 break;
4339#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4340 case TARGET_NR_linkat:
4341 {
4342 void * p2 = NULL;
4343 if (!arg2 || !arg4)
4344 goto efault;
4345 p = lock_user_string(arg2);
4346 p2 = lock_user_string(arg4);
4347 if (!p || !p2)
4348 ret = -TARGET_EFAULT;
4349 else
4350 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
4351 unlock_user(p, arg2, 0);
4352 unlock_user(p2, arg4, 0);
4353 }
4354 break;
4355#endif
4356 case TARGET_NR_unlink:
4357 if (!(p = lock_user_string(arg1)))
4358 goto efault;
4359 ret = get_errno(unlink(p));
4360 unlock_user(p, arg1, 0);
4361 break;
4362#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4363 case TARGET_NR_unlinkat:
4364 if (!(p = lock_user_string(arg2)))
4365 goto efault;
4366 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4367 unlock_user(p, arg2, 0);
4368 break;
4369#endif
4370 case TARGET_NR_execve:
4371 {
4372 char **argp, **envp;
4373 int argc, envc;
4374 abi_ulong gp;
4375 abi_ulong guest_argp;
4376 abi_ulong guest_envp;
4377 abi_ulong addr;
4378 char **q;
4379
4380 argc = 0;
4381 guest_argp = arg2;
4382 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
4383 if (get_user_ual(addr, gp))
4384 goto efault;
4385 if (!addr)
4386 break;
4387 argc++;
4388 }
4389 envc = 0;
4390 guest_envp = arg3;
4391 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
4392 if (get_user_ual(addr, gp))
4393 goto efault;
4394 if (!addr)
4395 break;
4396 envc++;
4397 }
4398
4399 argp = alloca((argc + 1) * sizeof(void *));
4400 envp = alloca((envc + 1) * sizeof(void *));
4401
4402 for (gp = guest_argp, q = argp; gp;
4403 gp += sizeof(abi_ulong), q++) {
4404 if (get_user_ual(addr, gp))
4405 goto execve_efault;
4406 if (!addr)
4407 break;
4408 if (!(*q = lock_user_string(addr)))
4409 goto execve_efault;
4410 }
4411 *q = NULL;
4412
4413 for (gp = guest_envp, q = envp; gp;
4414 gp += sizeof(abi_ulong), q++) {
4415 if (get_user_ual(addr, gp))
4416 goto execve_efault;
4417 if (!addr)
4418 break;
4419 if (!(*q = lock_user_string(addr)))
4420 goto execve_efault;
4421 }
4422 *q = NULL;
4423
4424 if (!(p = lock_user_string(arg1)))
4425 goto execve_efault;
4426 ret = get_errno(execve(p, argp, envp));
4427 unlock_user(p, arg1, 0);
4428
4429 goto execve_end;
4430
4431 execve_efault:
4432 ret = -TARGET_EFAULT;
4433
4434 execve_end:
4435 for (gp = guest_argp, q = argp; *q;
4436 gp += sizeof(abi_ulong), q++) {
4437 if (get_user_ual(addr, gp)
4438 || !addr)
4439 break;
4440 unlock_user(*q, addr, 0);
4441 }
4442 for (gp = guest_envp, q = envp; *q;
4443 gp += sizeof(abi_ulong), q++) {
4444 if (get_user_ual(addr, gp)
4445 || !addr)
4446 break;
4447 unlock_user(*q, addr, 0);
4448 }
4449 }
4450 break;
4451 case TARGET_NR_chdir:
4452 if (!(p = lock_user_string(arg1)))
4453 goto efault;
4454 ret = get_errno(chdir(p));
4455 unlock_user(p, arg1, 0);
4456 break;
4457#ifdef TARGET_NR_time
4458 case TARGET_NR_time:
4459 {
4460 time_t host_time;
4461 ret = get_errno(time(&host_time));
4462 if (!is_error(ret)
4463 && arg1
4464 && put_user_sal(host_time, arg1))
4465 goto efault;
4466 }
4467 break;
4468#endif
4469 case TARGET_NR_mknod:
4470 if (!(p = lock_user_string(arg1)))
4471 goto efault;
4472 ret = get_errno(mknod(p, arg2, arg3));
4473 unlock_user(p, arg1, 0);
4474 break;
4475#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4476 case TARGET_NR_mknodat:
4477 if (!(p = lock_user_string(arg2)))
4478 goto efault;
4479 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4480 unlock_user(p, arg2, 0);
4481 break;
4482#endif
4483 case TARGET_NR_chmod:
4484 if (!(p = lock_user_string(arg1)))
4485 goto efault;
4486 ret = get_errno(chmod(p, arg2));
4487 unlock_user(p, arg1, 0);
4488 break;
4489#ifdef TARGET_NR_break
4490 case TARGET_NR_break:
4491 goto unimplemented;
4492#endif
4493#ifdef TARGET_NR_oldstat
4494 case TARGET_NR_oldstat:
4495 goto unimplemented;
4496#endif
4497 case TARGET_NR_lseek:
4498 ret = get_errno(lseek(arg1, arg2, arg3));
4499 break;
4500#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
4501
4502 case TARGET_NR_getxpid:
4503 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
4504 ret = get_errno(getpid());
4505 break;
4506#endif
4507#ifdef TARGET_NR_getpid
4508 case TARGET_NR_getpid:
4509 ret = get_errno(getpid());
4510 break;
4511#endif
4512 case TARGET_NR_mount:
4513 {
4514
4515 void *p2, *p3;
4516 p = lock_user_string(arg1);
4517 p2 = lock_user_string(arg2);
4518 p3 = lock_user_string(arg3);
4519 if (!p || !p2 || !p3)
4520 ret = -TARGET_EFAULT;
4521 else {
4522
4523
4524
4525
4526 if ( ! arg5 )
4527 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
4528 else
4529 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4530 }
4531 unlock_user(p, arg1, 0);
4532 unlock_user(p2, arg2, 0);
4533 unlock_user(p3, arg3, 0);
4534 break;
4535 }
4536#ifdef TARGET_NR_umount
4537 case TARGET_NR_umount:
4538 if (!(p = lock_user_string(arg1)))
4539 goto efault;
4540 ret = get_errno(umount(p));
4541 unlock_user(p, arg1, 0);
4542 break;
4543#endif
4544#ifdef TARGET_NR_stime
4545 case TARGET_NR_stime:
4546 {
4547 time_t host_time;
4548 if (get_user_sal(host_time, arg1))
4549 goto efault;
4550 ret = get_errno(stime(&host_time));
4551 }
4552 break;
4553#endif
4554 case TARGET_NR_ptrace:
4555 goto unimplemented;
4556#ifdef TARGET_NR_alarm
4557 case TARGET_NR_alarm:
4558 ret = alarm(arg1);
4559 break;
4560#endif
4561#ifdef TARGET_NR_oldfstat
4562 case TARGET_NR_oldfstat:
4563 goto unimplemented;
4564#endif
4565#ifdef TARGET_NR_pause
4566 case TARGET_NR_pause:
4567 ret = get_errno(pause());
4568 break;
4569#endif
4570#ifdef TARGET_NR_utime
4571 case TARGET_NR_utime:
4572 {
4573 struct utimbuf tbuf, *host_tbuf;
4574 struct target_utimbuf *target_tbuf;
4575 if (arg2) {
4576 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4577 goto efault;
4578 tbuf.actime = tswapl(target_tbuf->actime);
4579 tbuf.modtime = tswapl(target_tbuf->modtime);
4580 unlock_user_struct(target_tbuf, arg2, 0);
4581 host_tbuf = &tbuf;
4582 } else {
4583 host_tbuf = NULL;
4584 }
4585 if (!(p = lock_user_string(arg1)))
4586 goto efault;
4587 ret = get_errno(utime(p, host_tbuf));
4588 unlock_user(p, arg1, 0);
4589 }
4590 break;
4591#endif
4592 case TARGET_NR_utimes:
4593 {
4594 struct timeval *tvp, tv[2];
4595 if (arg2) {
4596 if (copy_from_user_timeval(&tv[0], arg2)
4597 || copy_from_user_timeval(&tv[1],
4598 arg2 + sizeof(struct target_timeval)))
4599 goto efault;
4600 tvp = tv;
4601 } else {
4602 tvp = NULL;
4603 }
4604 if (!(p = lock_user_string(arg1)))
4605 goto efault;
4606 ret = get_errno(utimes(p, tvp));
4607 unlock_user(p, arg1, 0);
4608 }
4609 break;
4610#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4611 case TARGET_NR_futimesat:
4612 {
4613 struct timeval *tvp, tv[2];
4614 if (arg3) {
4615 if (copy_from_user_timeval(&tv[0], arg3)
4616 || copy_from_user_timeval(&tv[1],
4617 arg3 + sizeof(struct target_timeval)))
4618 goto efault;
4619 tvp = tv;
4620 } else {
4621 tvp = NULL;
4622 }
4623 if (!(p = lock_user_string(arg2)))
4624 goto efault;
4625 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4626 unlock_user(p, arg2, 0);
4627 }
4628 break;
4629#endif
4630#ifdef TARGET_NR_stty
4631 case TARGET_NR_stty:
4632 goto unimplemented;
4633#endif
4634#ifdef TARGET_NR_gtty
4635 case TARGET_NR_gtty:
4636 goto unimplemented;
4637#endif
4638 case TARGET_NR_access:
4639 if (!(p = lock_user_string(arg1)))
4640 goto efault;
4641 ret = get_errno(access(path(p), arg2));
4642 unlock_user(p, arg1, 0);
4643 break;
4644#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4645 case TARGET_NR_faccessat:
4646 if (!(p = lock_user_string(arg2)))
4647 goto efault;
4648 ret = get_errno(sys_faccessat(arg1, p, arg3));
4649 unlock_user(p, arg2, 0);
4650 break;
4651#endif
4652#ifdef TARGET_NR_nice
4653 case TARGET_NR_nice:
4654 ret = get_errno(nice(arg1));
4655 break;
4656#endif
4657#ifdef TARGET_NR_ftime
4658 case TARGET_NR_ftime:
4659 goto unimplemented;
4660#endif
4661 case TARGET_NR_sync:
4662 sync();
4663 ret = 0;
4664 break;
4665 case TARGET_NR_kill:
4666 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
4667 break;
4668 case TARGET_NR_rename:
4669 {
4670 void *p2;
4671 p = lock_user_string(arg1);
4672 p2 = lock_user_string(arg2);
4673 if (!p || !p2)
4674 ret = -TARGET_EFAULT;
4675 else
4676 ret = get_errno(rename(p, p2));
4677 unlock_user(p2, arg2, 0);
4678 unlock_user(p, arg1, 0);
4679 }
4680 break;
4681#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4682 case TARGET_NR_renameat:
4683 {
4684 void *p2;
4685 p = lock_user_string(arg2);
4686 p2 = lock_user_string(arg4);
4687 if (!p || !p2)
4688 ret = -TARGET_EFAULT;
4689 else
4690 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
4691 unlock_user(p2, arg4, 0);
4692 unlock_user(p, arg2, 0);
4693 }
4694 break;
4695#endif
4696 case TARGET_NR_mkdir:
4697 if (!(p = lock_user_string(arg1)))
4698 goto efault;
4699 ret = get_errno(mkdir(p, arg2));
4700 unlock_user(p, arg1, 0);
4701 break;
4702#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4703 case TARGET_NR_mkdirat:
4704 if (!(p = lock_user_string(arg2)))
4705 goto efault;
4706 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4707 unlock_user(p, arg2, 0);
4708 break;
4709#endif
4710 case TARGET_NR_rmdir:
4711 if (!(p = lock_user_string(arg1)))
4712 goto efault;
4713 ret = get_errno(rmdir(p));
4714 unlock_user(p, arg1, 0);
4715 break;
4716 case TARGET_NR_dup:
4717 ret = get_errno(dup(arg1));
4718 break;
4719 case TARGET_NR_pipe:
4720 ret = do_pipe(cpu_env, arg1, 0, 0);
4721 break;
4722#ifdef TARGET_NR_pipe2
4723 case TARGET_NR_pipe2:
4724 ret = do_pipe(cpu_env, arg1, arg2, 1);
4725 break;
4726#endif
4727 case TARGET_NR_times:
4728 {
4729 struct target_tms *tmsp;
4730 struct tms tms;
4731 ret = get_errno(times(&tms));
4732 if (arg1) {
4733 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4734 if (!tmsp)
4735 goto efault;
4736 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4737 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4738 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4739 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
4740 }
4741 if (!is_error(ret))
4742 ret = host_to_target_clock_t(ret);
4743 }
4744 break;
4745#ifdef TARGET_NR_prof
4746 case TARGET_NR_prof:
4747 goto unimplemented;
4748#endif
4749#ifdef TARGET_NR_signal
4750 case TARGET_NR_signal:
4751 goto unimplemented;
4752#endif
4753 case TARGET_NR_acct:
4754 if (arg1 == 0) {
4755 ret = get_errno(acct(NULL));
4756 } else {
4757 if (!(p = lock_user_string(arg1)))
4758 goto efault;
4759 ret = get_errno(acct(path(p)));
4760 unlock_user(p, arg1, 0);
4761 }
4762 break;
4763#ifdef TARGET_NR_umount2
4764 case TARGET_NR_umount2:
4765 if (!(p = lock_user_string(arg1)))
4766 goto efault;
4767 ret = get_errno(umount2(p, arg2));
4768 unlock_user(p, arg1, 0);
4769 break;
4770#endif
4771#ifdef TARGET_NR_lock
4772 case TARGET_NR_lock:
4773 goto unimplemented;
4774#endif
4775 case TARGET_NR_ioctl:
4776 ret = do_ioctl(arg1, arg2, arg3);
4777 break;
4778 case TARGET_NR_fcntl:
4779 ret = do_fcntl(arg1, arg2, arg3);
4780 break;
4781#ifdef TARGET_NR_mpx
4782 case TARGET_NR_mpx:
4783 goto unimplemented;
4784#endif
4785 case TARGET_NR_setpgid:
4786 ret = get_errno(setpgid(arg1, arg2));
4787 break;
4788#ifdef TARGET_NR_ulimit
4789 case TARGET_NR_ulimit:
4790 goto unimplemented;
4791#endif
4792#ifdef TARGET_NR_oldolduname
4793 case TARGET_NR_oldolduname:
4794 goto unimplemented;
4795#endif
4796 case TARGET_NR_umask:
4797 ret = get_errno(umask(arg1));
4798 break;
4799 case TARGET_NR_chroot:
4800 if (!(p = lock_user_string(arg1)))
4801 goto efault;
4802 ret = get_errno(chroot(p));
4803 unlock_user(p, arg1, 0);
4804 break;
4805 case TARGET_NR_ustat:
4806 goto unimplemented;
4807 case TARGET_NR_dup2:
4808 ret = get_errno(dup2(arg1, arg2));
4809 break;
4810#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
4811 case TARGET_NR_dup3:
4812 ret = get_errno(dup3(arg1, arg2, arg3));
4813 break;
4814#endif
4815#ifdef TARGET_NR_getppid
4816 case TARGET_NR_getppid:
4817 ret = get_errno(getppid());
4818 break;
4819#endif
4820 case TARGET_NR_getpgrp:
4821 ret = get_errno(getpgrp());
4822 break;
4823 case TARGET_NR_setsid:
4824 ret = get_errno(setsid());
4825 break;
4826#ifdef TARGET_NR_sigaction
4827 case TARGET_NR_sigaction:
4828 {
4829#if defined(TARGET_ALPHA)
4830 struct target_sigaction act, oact, *pact = 0;
4831 struct target_old_sigaction *old_act;
4832 if (arg2) {
4833 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4834 goto efault;
4835 act._sa_handler = old_act->_sa_handler;
4836 target_siginitset(&act.sa_mask, old_act->sa_mask);
4837 act.sa_flags = old_act->sa_flags;
4838 act.sa_restorer = 0;
4839 unlock_user_struct(old_act, arg2, 0);
4840 pact = &act;
4841 }
4842 ret = get_errno(do_sigaction(arg1, pact, &oact));
4843 if (!is_error(ret) && arg3) {
4844 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4845 goto efault;
4846 old_act->_sa_handler = oact._sa_handler;
4847 old_act->sa_mask = oact.sa_mask.sig[0];
4848 old_act->sa_flags = oact.sa_flags;
4849 unlock_user_struct(old_act, arg3, 1);
4850 }
4851#elif defined(TARGET_MIPS)
4852 struct target_sigaction act, oact, *pact, *old_act;
4853
4854 if (arg2) {
4855 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4856 goto efault;
4857 act._sa_handler = old_act->_sa_handler;
4858 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4859 act.sa_flags = old_act->sa_flags;
4860 unlock_user_struct(old_act, arg2, 0);
4861 pact = &act;
4862 } else {
4863 pact = NULL;
4864 }
4865
4866 ret = get_errno(do_sigaction(arg1, pact, &oact));
4867
4868 if (!is_error(ret) && arg3) {
4869 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4870 goto efault;
4871 old_act->_sa_handler = oact._sa_handler;
4872 old_act->sa_flags = oact.sa_flags;
4873 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4874 old_act->sa_mask.sig[1] = 0;
4875 old_act->sa_mask.sig[2] = 0;
4876 old_act->sa_mask.sig[3] = 0;
4877 unlock_user_struct(old_act, arg3, 1);
4878 }
4879#else
4880 struct target_old_sigaction *old_act;
4881 struct target_sigaction act, oact, *pact;
4882 if (arg2) {
4883 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4884 goto efault;
4885 act._sa_handler = old_act->_sa_handler;
4886 target_siginitset(&act.sa_mask, old_act->sa_mask);
4887 act.sa_flags = old_act->sa_flags;
4888 act.sa_restorer = old_act->sa_restorer;
4889 unlock_user_struct(old_act, arg2, 0);
4890 pact = &act;
4891 } else {
4892 pact = NULL;
4893 }
4894 ret = get_errno(do_sigaction(arg1, pact, &oact));
4895 if (!is_error(ret) && arg3) {
4896 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4897 goto efault;
4898 old_act->_sa_handler = oact._sa_handler;
4899 old_act->sa_mask = oact.sa_mask.sig[0];
4900 old_act->sa_flags = oact.sa_flags;
4901 old_act->sa_restorer = oact.sa_restorer;
4902 unlock_user_struct(old_act, arg3, 1);
4903 }
4904#endif
4905 }
4906 break;
4907#endif
4908 case TARGET_NR_rt_sigaction:
4909 {
4910#if defined(TARGET_ALPHA)
4911 struct target_sigaction act, oact, *pact = 0;
4912 struct target_rt_sigaction *rt_act;
4913
4914 if (arg2) {
4915 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
4916 goto efault;
4917 act._sa_handler = rt_act->_sa_handler;
4918 act.sa_mask = rt_act->sa_mask;
4919 act.sa_flags = rt_act->sa_flags;
4920 act.sa_restorer = arg5;
4921 unlock_user_struct(rt_act, arg2, 0);
4922 pact = &act;
4923 }
4924 ret = get_errno(do_sigaction(arg1, pact, &oact));
4925 if (!is_error(ret) && arg3) {
4926 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
4927 goto efault;
4928 rt_act->_sa_handler = oact._sa_handler;
4929 rt_act->sa_mask = oact.sa_mask;
4930 rt_act->sa_flags = oact.sa_flags;
4931 unlock_user_struct(rt_act, arg3, 1);
4932 }
4933#else
4934 struct target_sigaction *act;
4935 struct target_sigaction *oact;
4936
4937 if (arg2) {
4938 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4939 goto efault;
4940 } else
4941 act = NULL;
4942 if (arg3) {
4943 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4944 ret = -TARGET_EFAULT;
4945 goto rt_sigaction_fail;
4946 }
4947 } else
4948 oact = NULL;
4949 ret = get_errno(do_sigaction(arg1, act, oact));
4950 rt_sigaction_fail:
4951 if (act)
4952 unlock_user_struct(act, arg2, 0);
4953 if (oact)
4954 unlock_user_struct(oact, arg3, 1);
4955#endif
4956 }
4957 break;
4958#ifdef TARGET_NR_sgetmask
4959 case TARGET_NR_sgetmask:
4960 {
4961 sigset_t cur_set;
4962 abi_ulong target_set;
4963 sigprocmask(0, NULL, &cur_set);
4964 host_to_target_old_sigset(&target_set, &cur_set);
4965 ret = target_set;
4966 }
4967 break;
4968#endif
4969#ifdef TARGET_NR_ssetmask
4970 case TARGET_NR_ssetmask:
4971 {
4972 sigset_t set, oset, cur_set;
4973 abi_ulong target_set = arg1;
4974 sigprocmask(0, NULL, &cur_set);
4975 target_to_host_old_sigset(&set, &target_set);
4976 sigorset(&set, &set, &cur_set);
4977 sigprocmask(SIG_SETMASK, &set, &oset);
4978 host_to_target_old_sigset(&target_set, &oset);
4979 ret = target_set;
4980 }
4981 break;
4982#endif
4983#ifdef TARGET_NR_sigprocmask
4984 case TARGET_NR_sigprocmask:
4985 {
4986#if defined(TARGET_ALPHA)
4987 sigset_t set, oldset;
4988 abi_ulong mask;
4989 int how;
4990
4991 switch (arg1) {
4992 case TARGET_SIG_BLOCK:
4993 how = SIG_BLOCK;
4994 break;
4995 case TARGET_SIG_UNBLOCK:
4996 how = SIG_UNBLOCK;
4997 break;
4998 case TARGET_SIG_SETMASK:
4999 how = SIG_SETMASK;
5000 break;
5001 default:
5002 ret = -TARGET_EINVAL;
5003 goto fail;
5004 }
5005 mask = arg2;
5006 target_to_host_old_sigset(&set, &mask);
5007
5008 ret = get_errno(sigprocmask(how, &set, &oldset));
5009
5010 if (!is_error(ret)) {
5011 host_to_target_old_sigset(&mask, &oldset);
5012 ret = mask;
5013 ((CPUAlphaState *)cpu_env)->[IR_V0] = 0;
5014 }
5015#else
5016 sigset_t set, oldset, *set_ptr;
5017 int how;
5018
5019 if (arg2) {
5020 switch (arg1) {
5021 case TARGET_SIG_BLOCK:
5022 how = SIG_BLOCK;
5023 break;
5024 case TARGET_SIG_UNBLOCK:
5025 how = SIG_UNBLOCK;
5026 break;
5027 case TARGET_SIG_SETMASK:
5028 how = SIG_SETMASK;
5029 break;
5030 default:
5031 ret = -TARGET_EINVAL;
5032 goto fail;
5033 }
5034 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
5035 goto efault;
5036 target_to_host_old_sigset(&set, p);
5037 unlock_user(p, arg2, 0);
5038 set_ptr = &set;
5039 } else {
5040 how = 0;
5041 set_ptr = NULL;
5042 }
5043 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
5044 if (!is_error(ret) && arg3) {
5045 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
5046 goto efault;
5047 host_to_target_old_sigset(p, &oldset);
5048 unlock_user(p, arg3, sizeof(target_sigset_t));
5049 }
5050#endif
5051 }
5052 break;
5053#endif
5054 case TARGET_NR_rt_sigprocmask:
5055 {
5056 int how = arg1;
5057 sigset_t set, oldset, *set_ptr;
5058
5059 if (arg2) {
5060 switch(how) {
5061 case TARGET_SIG_BLOCK:
5062 how = SIG_BLOCK;
5063 break;
5064 case TARGET_SIG_UNBLOCK:
5065 how = SIG_UNBLOCK;
5066 break;
5067 case TARGET_SIG_SETMASK:
5068 how = SIG_SETMASK;
5069 break;
5070 default:
5071 ret = -TARGET_EINVAL;
5072 goto fail;
5073 }
5074 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
5075 goto efault;
5076 target_to_host_sigset(&set, p);
5077 unlock_user(p, arg2, 0);
5078 set_ptr = &set;
5079 } else {
5080 how = 0;
5081 set_ptr = NULL;
5082 }
5083 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
5084 if (!is_error(ret) && arg3) {
5085 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
5086 goto efault;
5087 host_to_target_sigset(p, &oldset);
5088 unlock_user(p, arg3, sizeof(target_sigset_t));
5089 }
5090 }
5091 break;
5092#ifdef TARGET_NR_sigpending
5093 case TARGET_NR_sigpending:
5094 {
5095 sigset_t set;
5096 ret = get_errno(sigpending(&set));
5097 if (!is_error(ret)) {
5098 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
5099 goto efault;
5100 host_to_target_old_sigset(p, &set);
5101 unlock_user(p, arg1, sizeof(target_sigset_t));
5102 }
5103 }
5104 break;
5105#endif
5106 case TARGET_NR_rt_sigpending:
5107 {
5108 sigset_t set;
5109 ret = get_errno(sigpending(&set));
5110 if (!is_error(ret)) {
5111 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
5112 goto efault;
5113 host_to_target_sigset(p, &set);
5114 unlock_user(p, arg1, sizeof(target_sigset_t));
5115 }
5116 }
5117 break;
5118#ifdef TARGET_NR_sigsuspend
5119 case TARGET_NR_sigsuspend:
5120 {
5121 sigset_t set;
5122#if defined(TARGET_ALPHA)
5123 abi_ulong mask = arg1;
5124 target_to_host_old_sigset(&set, &mask);
5125#else
5126 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
5127 goto efault;
5128 target_to_host_old_sigset(&set, p);
5129 unlock_user(p, arg1, 0);
5130#endif
5131 ret = get_errno(sigsuspend(&set));
5132 }
5133 break;
5134#endif
5135 case TARGET_NR_rt_sigsuspend:
5136 {
5137 sigset_t set;
5138 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
5139 goto efault;
5140 target_to_host_sigset(&set, p);
5141 unlock_user(p, arg1, 0);
5142 ret = get_errno(sigsuspend(&set));
5143 }
5144 break;
5145 case TARGET_NR_rt_sigtimedwait:
5146 {
5147 sigset_t set;
5148 struct timespec uts, *puts;
5149 siginfo_t uinfo;
5150
5151 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
5152 goto efault;
5153 target_to_host_sigset(&set, p);
5154 unlock_user(p, arg1, 0);
5155 if (arg3) {
5156 puts = &uts;
5157 target_to_host_timespec(puts, arg3);
5158 } else {
5159 puts = NULL;
5160 }
5161 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
5162 if (!is_error(ret) && arg2) {
5163 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
5164 goto efault;
5165 host_to_target_siginfo(p, &uinfo);
5166 unlock_user(p, arg2, sizeof(target_siginfo_t));
5167 }
5168 }
5169 break;
5170 case TARGET_NR_rt_sigqueueinfo:
5171 {
5172 siginfo_t uinfo;
5173 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
5174 goto efault;
5175 target_to_host_siginfo(&uinfo, p);
5176 unlock_user(p, arg1, 0);
5177 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5178 }
5179 break;
5180#ifdef TARGET_NR_sigreturn
5181 case TARGET_NR_sigreturn:
5182
5183 ret = do_sigreturn(cpu_env);
5184 break;
5185#endif
5186 case TARGET_NR_rt_sigreturn:
5187
5188 ret = do_rt_sigreturn(cpu_env);
5189 break;
5190 case TARGET_NR_sethostname:
5191 if (!(p = lock_user_string(arg1)))
5192 goto efault;
5193 ret = get_errno(sethostname(p, arg2));
5194 unlock_user(p, arg1, 0);
5195 break;
5196 case TARGET_NR_setrlimit:
5197 {
5198 int resource = arg1;
5199 struct target_rlimit *target_rlim;
5200 struct rlimit rlim;
5201 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5202 goto efault;
5203 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
5204 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
5205 unlock_user_struct(target_rlim, arg2, 0);
5206 ret = get_errno(setrlimit(resource, &rlim));
5207 }
5208 break;
5209 case TARGET_NR_getrlimit:
5210 {
5211 int resource = arg1;
5212 struct target_rlimit *target_rlim;
5213 struct rlimit rlim;
5214
5215 ret = get_errno(getrlimit(resource, &rlim));
5216 if (!is_error(ret)) {
5217 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5218 goto efault;
5219 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
5220 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
5221 unlock_user_struct(target_rlim, arg2, 1);
5222 }
5223 }
5224 break;
5225 case TARGET_NR_getrusage:
5226 {
5227 struct rusage rusage;
5228 ret = get_errno(getrusage(arg1, &rusage));
5229 if (!is_error(ret)) {
5230 host_to_target_rusage(arg2, &rusage);
5231 }
5232 }
5233 break;
5234 case TARGET_NR_gettimeofday:
5235 {
5236 struct timeval tv;
5237 ret = get_errno(gettimeofday(&tv, NULL));
5238 if (!is_error(ret)) {
5239 if (copy_to_user_timeval(arg1, &tv))
5240 goto efault;
5241 }
5242 }
5243 break;
5244 case TARGET_NR_settimeofday:
5245 {
5246 struct timeval tv;
5247 if (copy_from_user_timeval(&tv, arg1))
5248 goto efault;
5249 ret = get_errno(settimeofday(&tv, NULL));
5250 }
5251 break;
5252#ifdef TARGET_NR_select
5253 case TARGET_NR_select:
5254 {
5255 struct target_sel_arg_struct *sel;
5256 abi_ulong inp, outp, exp, tvp;
5257 long nsel;
5258
5259 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5260 goto efault;
5261 nsel = tswapl(sel->n);
5262 inp = tswapl(sel->inp);
5263 outp = tswapl(sel->outp);
5264 exp = tswapl(sel->exp);
5265 tvp = tswapl(sel->tvp);
5266 unlock_user_struct(sel, arg1, 0);
5267 ret = do_select(nsel, inp, outp, exp, tvp);
5268 }
5269 break;
5270#endif
5271#ifdef TARGET_NR_pselect6
5272 case TARGET_NR_pselect6:
5273 goto unimplemented_nowarn;
5274#endif
5275 case TARGET_NR_symlink:
5276 {
5277 void *p2;
5278 p = lock_user_string(arg1);
5279 p2 = lock_user_string(arg2);
5280 if (!p || !p2)
5281 ret = -TARGET_EFAULT;
5282 else
5283 ret = get_errno(symlink(p, p2));
5284 unlock_user(p2, arg2, 0);
5285 unlock_user(p, arg1, 0);
5286 }
5287 break;
5288#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5289 case TARGET_NR_symlinkat:
5290 {
5291 void *p2;
5292 p = lock_user_string(arg1);
5293 p2 = lock_user_string(arg3);
5294 if (!p || !p2)
5295 ret = -TARGET_EFAULT;
5296 else
5297 ret = get_errno(sys_symlinkat(p, arg2, p2));
5298 unlock_user(p2, arg3, 0);
5299 unlock_user(p, arg1, 0);
5300 }
5301 break;
5302#endif
5303#ifdef TARGET_NR_oldlstat
5304 case TARGET_NR_oldlstat:
5305 goto unimplemented;
5306#endif
5307 case TARGET_NR_readlink:
5308 {
5309 void *p2, *temp;
5310 p = lock_user_string(arg1);
5311 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5312 if (!p || !p2)
5313 ret = -TARGET_EFAULT;
5314 else {
5315 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5316 char real[PATH_MAX];
5317 temp = realpath(exec_path,real);
5318 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5319 snprintf((char *)p2, arg3, "%s", real);
5320 }
5321 else
5322 ret = get_errno(readlink(path(p), p2, arg3));
5323 }
5324 unlock_user(p2, arg2, ret);
5325 unlock_user(p, arg1, 0);
5326 }
5327 break;
5328#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5329 case TARGET_NR_readlinkat:
5330 {
5331 void *p2;
5332 p = lock_user_string(arg2);
5333 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5334 if (!p || !p2)
5335 ret = -TARGET_EFAULT;
5336 else
5337 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
5338 unlock_user(p2, arg3, ret);
5339 unlock_user(p, arg2, 0);
5340 }
5341 break;
5342#endif
5343#ifdef TARGET_NR_uselib
5344 case TARGET_NR_uselib:
5345 goto unimplemented;
5346#endif
5347#ifdef TARGET_NR_swapon
5348 case TARGET_NR_swapon:
5349 if (!(p = lock_user_string(arg1)))
5350 goto efault;
5351 ret = get_errno(swapon(p, arg2));
5352 unlock_user(p, arg1, 0);
5353 break;
5354#endif
5355 case TARGET_NR_reboot:
5356 goto unimplemented;
5357#ifdef TARGET_NR_readdir
5358 case TARGET_NR_readdir:
5359 goto unimplemented;
5360#endif
5361#ifdef TARGET_NR_mmap
5362 case TARGET_NR_mmap:
5363#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
5364 {
5365 abi_ulong *v;
5366 abi_ulong v1, v2, v3, v4, v5, v6;
5367 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5368 goto efault;
5369 v1 = tswapl(v[0]);
5370 v2 = tswapl(v[1]);
5371 v3 = tswapl(v[2]);
5372 v4 = tswapl(v[3]);
5373 v5 = tswapl(v[4]);
5374 v6 = tswapl(v[5]);
5375 unlock_user(v, arg1, 0);
5376 ret = get_errno(target_mmap(v1, v2, v3,
5377 target_to_host_bitmask(v4, mmap_flags_tbl),
5378 v5, v6));
5379 }
5380#else
5381 ret = get_errno(target_mmap(arg1, arg2, arg3,
5382 target_to_host_bitmask(arg4, mmap_flags_tbl),
5383 arg5,
5384 arg6));
5385#endif
5386 break;
5387#endif
5388#ifdef TARGET_NR_mmap2
5389 case TARGET_NR_mmap2:
5390#ifndef MMAP_SHIFT
5391#define MMAP_SHIFT 12
5392#endif
5393 ret = get_errno(target_mmap(arg1, arg2, arg3,
5394 target_to_host_bitmask(arg4, mmap_flags_tbl),
5395 arg5,
5396 arg6 << MMAP_SHIFT));
5397 break;
5398#endif
5399 case TARGET_NR_munmap:
5400 ret = get_errno(target_munmap(arg1, arg2));
5401 break;
5402 case TARGET_NR_mprotect:
5403 {
5404 TaskState *ts = ((CPUState *)cpu_env)->opaque;
5405
5406 if ((arg3 & PROT_GROWSDOWN)
5407 && arg1 >= ts->info->stack_limit
5408 && arg1 <= ts->info->start_stack) {
5409 arg3 &= ~PROT_GROWSDOWN;
5410 arg2 = arg2 + arg1 - ts->info->stack_limit;
5411 arg1 = ts->info->stack_limit;
5412 }
5413 }
5414 ret = get_errno(target_mprotect(arg1, arg2, arg3));
5415 break;
5416#ifdef TARGET_NR_mremap
5417 case TARGET_NR_mremap:
5418 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
5419 break;
5420#endif
5421
5422#ifdef TARGET_NR_msync
5423 case TARGET_NR_msync:
5424 ret = get_errno(msync(g2h(arg1), arg2, arg3));
5425 break;
5426#endif
5427#ifdef TARGET_NR_mlock
5428 case TARGET_NR_mlock:
5429 ret = get_errno(mlock(g2h(arg1), arg2));
5430 break;
5431#endif
5432#ifdef TARGET_NR_munlock
5433 case TARGET_NR_munlock:
5434 ret = get_errno(munlock(g2h(arg1), arg2));
5435 break;
5436#endif
5437#ifdef TARGET_NR_mlockall
5438 case TARGET_NR_mlockall:
5439 ret = get_errno(mlockall(arg1));
5440 break;
5441#endif
5442#ifdef TARGET_NR_munlockall
5443 case TARGET_NR_munlockall:
5444 ret = get_errno(munlockall());
5445 break;
5446#endif
5447 case TARGET_NR_truncate:
5448 if (!(p = lock_user_string(arg1)))
5449 goto efault;
5450 ret = get_errno(truncate(p, arg2));
5451 unlock_user(p, arg1, 0);
5452 break;
5453 case TARGET_NR_ftruncate:
5454 ret = get_errno(ftruncate(arg1, arg2));
5455 break;
5456 case TARGET_NR_fchmod:
5457 ret = get_errno(fchmod(arg1, arg2));
5458 break;
5459#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5460 case TARGET_NR_fchmodat:
5461 if (!(p = lock_user_string(arg2)))
5462 goto efault;
5463 ret = get_errno(sys_fchmodat(arg1, p, arg3));
5464 unlock_user(p, arg2, 0);
5465 break;
5466#endif
5467 case TARGET_NR_getpriority:
5468
5469
5470
5471 ret = get_errno(sys_getpriority(arg1, arg2));
5472 break;
5473 case TARGET_NR_setpriority:
5474 ret = get_errno(setpriority(arg1, arg2, arg3));
5475 break;
5476#ifdef TARGET_NR_profil
5477 case TARGET_NR_profil:
5478 goto unimplemented;
5479#endif
5480 case TARGET_NR_statfs:
5481 if (!(p = lock_user_string(arg1)))
5482 goto efault;
5483 ret = get_errno(statfs(path(p), &stfs));
5484 unlock_user(p, arg1, 0);
5485 convert_statfs:
5486 if (!is_error(ret)) {
5487 struct target_statfs *target_stfs;
5488
5489 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5490 goto efault;
5491 __put_user(stfs.f_type, &target_stfs->f_type);
5492 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5493 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5494 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5495 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5496 __put_user(stfs.f_files, &target_stfs->f_files);
5497 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5498 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5499 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5500 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5501 unlock_user_struct(target_stfs, arg2, 1);
5502 }
5503 break;
5504 case TARGET_NR_fstatfs:
5505 ret = get_errno(fstatfs(arg1, &stfs));
5506 goto convert_statfs;
5507#ifdef TARGET_NR_statfs64
5508 case TARGET_NR_statfs64:
5509 if (!(p = lock_user_string(arg1)))
5510 goto efault;
5511 ret = get_errno(statfs(path(p), &stfs));
5512 unlock_user(p, arg1, 0);
5513 convert_statfs64:
5514 if (!is_error(ret)) {
5515 struct target_statfs64 *target_stfs;
5516
5517 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5518 goto efault;
5519 __put_user(stfs.f_type, &target_stfs->f_type);
5520 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5521 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5522 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5523 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5524 __put_user(stfs.f_files, &target_stfs->f_files);
5525 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5526 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5527 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5528 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5529 unlock_user_struct(target_stfs, arg3, 1);
5530 }
5531 break;
5532 case TARGET_NR_fstatfs64:
5533 ret = get_errno(fstatfs(arg1, &stfs));
5534 goto convert_statfs64;
5535#endif
5536#ifdef TARGET_NR_ioperm
5537 case TARGET_NR_ioperm:
5538 goto unimplemented;
5539#endif
5540#ifdef TARGET_NR_socketcall
5541 case TARGET_NR_socketcall:
5542 ret = do_socketcall(arg1, arg2);
5543 break;
5544#endif
5545#ifdef TARGET_NR_accept
5546 case TARGET_NR_accept:
5547 ret = do_accept(arg1, arg2, arg3);
5548 break;
5549#endif
5550#ifdef TARGET_NR_bind
5551 case TARGET_NR_bind:
5552 ret = do_bind(arg1, arg2, arg3);
5553 break;
5554#endif
5555#ifdef TARGET_NR_connect
5556 case TARGET_NR_connect:
5557 ret = do_connect(arg1, arg2, arg3);
5558 break;
5559#endif
5560#ifdef TARGET_NR_getpeername
5561 case TARGET_NR_getpeername:
5562 ret = do_getpeername(arg1, arg2, arg3);
5563 break;
5564#endif
5565#ifdef TARGET_NR_getsockname
5566 case TARGET_NR_getsockname:
5567 ret = do_getsockname(arg1, arg2, arg3);
5568 break;
5569#endif
5570#ifdef TARGET_NR_getsockopt
5571 case TARGET_NR_getsockopt:
5572 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5573 break;
5574#endif
5575#ifdef TARGET_NR_listen
5576 case TARGET_NR_listen:
5577 ret = get_errno(listen(arg1, arg2));
5578 break;
5579#endif
5580#ifdef TARGET_NR_recv
5581 case TARGET_NR_recv:
5582 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
5583 break;
5584#endif
5585#ifdef TARGET_NR_recvfrom
5586 case TARGET_NR_recvfrom:
5587 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
5588 break;
5589#endif
5590#ifdef TARGET_NR_recvmsg
5591 case TARGET_NR_recvmsg:
5592 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5593 break;
5594#endif
5595#ifdef TARGET_NR_send
5596 case TARGET_NR_send:
5597 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
5598 break;
5599#endif
5600#ifdef TARGET_NR_sendmsg
5601 case TARGET_NR_sendmsg:
5602 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5603 break;
5604#endif
5605#ifdef TARGET_NR_sendto
5606 case TARGET_NR_sendto:
5607 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
5608 break;
5609#endif
5610#ifdef TARGET_NR_shutdown
5611 case TARGET_NR_shutdown:
5612 ret = get_errno(shutdown(arg1, arg2));
5613 break;
5614#endif
5615#ifdef TARGET_NR_socket
5616 case TARGET_NR_socket:
5617 ret = do_socket(arg1, arg2, arg3);
5618 break;
5619#endif
5620#ifdef TARGET_NR_socketpair
5621 case TARGET_NR_socketpair:
5622 ret = do_socketpair(arg1, arg2, arg3, arg4);
5623 break;
5624#endif
5625#ifdef TARGET_NR_setsockopt
5626 case TARGET_NR_setsockopt:
5627 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5628 break;
5629#endif
5630
5631 case TARGET_NR_syslog:
5632 if (!(p = lock_user_string(arg2)))
5633 goto efault;
5634 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5635 unlock_user(p, arg2, 0);
5636 break;
5637
5638 case TARGET_NR_setitimer:
5639 {
5640 struct itimerval value, ovalue, *pvalue;
5641
5642 if (arg2) {
5643 pvalue = &value;
5644 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5645 || copy_from_user_timeval(&pvalue->it_value,
5646 arg2 + sizeof(struct target_timeval)))
5647 goto efault;
5648 } else {
5649 pvalue = NULL;
5650 }
5651 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
5652 if (!is_error(ret) && arg3) {
5653 if (copy_to_user_timeval(arg3,
5654 &ovalue.it_interval)
5655 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5656 &ovalue.it_value))
5657 goto efault;
5658 }
5659 }
5660 break;
5661 case TARGET_NR_getitimer:
5662 {
5663 struct itimerval value;
5664
5665 ret = get_errno(getitimer(arg1, &value));
5666 if (!is_error(ret) && arg2) {
5667 if (copy_to_user_timeval(arg2,
5668 &value.it_interval)
5669 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5670 &value.it_value))
5671 goto efault;
5672 }
5673 }
5674 break;
5675 case TARGET_NR_stat:
5676 if (!(p = lock_user_string(arg1)))
5677 goto efault;
5678 ret = get_errno(stat(path(p), &st));
5679 unlock_user(p, arg1, 0);
5680 goto do_stat;
5681 case TARGET_NR_lstat:
5682 if (!(p = lock_user_string(arg1)))
5683 goto efault;
5684 ret = get_errno(lstat(path(p), &st));
5685 unlock_user(p, arg1, 0);
5686 goto do_stat;
5687 case TARGET_NR_fstat:
5688 {
5689 ret = get_errno(fstat(arg1, &st));
5690 do_stat:
5691 if (!is_error(ret)) {
5692 struct target_stat *target_st;
5693
5694 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5695 goto efault;
5696 memset(target_st, 0, sizeof(*target_st));
5697 __put_user(st.st_dev, &target_st->st_dev);
5698 __put_user(st.st_ino, &target_st->st_ino);
5699 __put_user(st.st_mode, &target_st->st_mode);
5700 __put_user(st.st_uid, &target_st->st_uid);
5701 __put_user(st.st_gid, &target_st->st_gid);
5702 __put_user(st.st_nlink, &target_st->st_nlink);
5703 __put_user(st.st_rdev, &target_st->st_rdev);
5704 __put_user(st.st_size, &target_st->st_size);
5705 __put_user(st.st_blksize, &target_st->st_blksize);
5706 __put_user(st.st_blocks, &target_st->st_blocks);
5707 __put_user(st.st_atime, &target_st->target_st_atime);
5708 __put_user(st.st_mtime, &target_st->target_st_mtime);
5709 __put_user(st.st_ctime, &target_st->target_st_ctime);
5710 unlock_user_struct(target_st, arg2, 1);
5711 }
5712 }
5713 break;
5714#ifdef TARGET_NR_olduname
5715 case TARGET_NR_olduname:
5716 goto unimplemented;
5717#endif
5718#ifdef TARGET_NR_iopl
5719 case TARGET_NR_iopl:
5720 goto unimplemented;
5721#endif
5722 case TARGET_NR_vhangup:
5723 ret = get_errno(vhangup());
5724 break;
5725#ifdef TARGET_NR_idle
5726 case TARGET_NR_idle:
5727 goto unimplemented;
5728#endif
5729#ifdef TARGET_NR_syscall
5730 case TARGET_NR_syscall:
5731 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5732 break;
5733#endif
5734 case TARGET_NR_wait4:
5735 {
5736 int status;
5737 abi_long status_ptr = arg2;
5738 struct rusage rusage, *rusage_ptr;
5739 abi_ulong target_rusage = arg4;
5740 if (target_rusage)
5741 rusage_ptr = &rusage;
5742 else
5743 rusage_ptr = NULL;
5744 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5745 if (!is_error(ret)) {
5746 if (status_ptr) {
5747 status = host_to_target_waitstatus(status);
5748 if (put_user_s32(status, status_ptr))
5749 goto efault;
5750 }
5751 if (target_rusage)
5752 host_to_target_rusage(target_rusage, &rusage);
5753 }
5754 }
5755 break;
5756#ifdef TARGET_NR_swapoff
5757 case TARGET_NR_swapoff:
5758 if (!(p = lock_user_string(arg1)))
5759 goto efault;
5760 ret = get_errno(swapoff(p));
5761 unlock_user(p, arg1, 0);
5762 break;
5763#endif
5764 case TARGET_NR_sysinfo:
5765 {
5766 struct target_sysinfo *target_value;
5767 struct sysinfo value;
5768 ret = get_errno(sysinfo(&value));
5769 if (!is_error(ret) && arg1)
5770 {
5771 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5772 goto efault;
5773 __put_user(value.uptime, &target_value->uptime);
5774 __put_user(value.loads[0], &target_value->loads[0]);
5775 __put_user(value.loads[1], &target_value->loads[1]);
5776 __put_user(value.loads[2], &target_value->loads[2]);
5777 __put_user(value.totalram, &target_value->totalram);
5778 __put_user(value.freeram, &target_value->freeram);
5779 __put_user(value.sharedram, &target_value->sharedram);
5780 __put_user(value.bufferram, &target_value->bufferram);
5781 __put_user(value.totalswap, &target_value->totalswap);
5782 __put_user(value.freeswap, &target_value->freeswap);
5783 __put_user(value.procs, &target_value->procs);
5784 __put_user(value.totalhigh, &target_value->totalhigh);
5785 __put_user(value.freehigh, &target_value->freehigh);
5786 __put_user(value.mem_unit, &target_value->mem_unit);
5787 unlock_user_struct(target_value, arg1, 1);
5788 }
5789 }
5790 break;
5791#ifdef TARGET_NR_ipc
5792 case TARGET_NR_ipc:
5793 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5794 break;
5795#endif
5796#ifdef TARGET_NR_semget
5797 case TARGET_NR_semget:
5798 ret = get_errno(semget(arg1, arg2, arg3));
5799 break;
5800#endif
5801#ifdef TARGET_NR_semop
5802 case TARGET_NR_semop:
5803 ret = get_errno(do_semop(arg1, arg2, arg3));
5804 break;
5805#endif
5806#ifdef TARGET_NR_semctl
5807 case TARGET_NR_semctl:
5808 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5809 break;
5810#endif
5811#ifdef TARGET_NR_msgctl
5812 case TARGET_NR_msgctl:
5813 ret = do_msgctl(arg1, arg2, arg3);
5814 break;
5815#endif
5816#ifdef TARGET_NR_msgget
5817 case TARGET_NR_msgget:
5818 ret = get_errno(msgget(arg1, arg2));
5819 break;
5820#endif
5821#ifdef TARGET_NR_msgrcv
5822 case TARGET_NR_msgrcv:
5823 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5824 break;
5825#endif
5826#ifdef TARGET_NR_msgsnd
5827 case TARGET_NR_msgsnd:
5828 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5829 break;
5830#endif
5831#ifdef TARGET_NR_shmget
5832 case TARGET_NR_shmget:
5833 ret = get_errno(shmget(arg1, arg2, arg3));
5834 break;
5835#endif
5836#ifdef TARGET_NR_shmctl
5837 case TARGET_NR_shmctl:
5838 ret = do_shmctl(arg1, arg2, arg3);
5839 break;
5840#endif
5841#ifdef TARGET_NR_shmat
5842 case TARGET_NR_shmat:
5843 ret = do_shmat(arg1, arg2, arg3);
5844 break;
5845#endif
5846#ifdef TARGET_NR_shmdt
5847 case TARGET_NR_shmdt:
5848 ret = do_shmdt(arg1);
5849 break;
5850#endif
5851 case TARGET_NR_fsync:
5852 ret = get_errno(fsync(arg1));
5853 break;
5854 case TARGET_NR_clone:
5855#if defined(TARGET_SH4) || defined(TARGET_ALPHA)
5856 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
5857#elif defined(TARGET_CRIS)
5858 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
5859#else
5860 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
5861#endif
5862 break;
5863#ifdef __NR_exit_group
5864
5865 case TARGET_NR_exit_group:
5866#ifdef TARGET_GPROF
5867 _mcleanup();
5868#endif
5869 gdb_exit(cpu_env, arg1);
5870 ret = get_errno(exit_group(arg1));
5871 break;
5872#endif
5873 case TARGET_NR_setdomainname:
5874 if (!(p = lock_user_string(arg1)))
5875 goto efault;
5876 ret = get_errno(setdomainname(p, arg2));
5877 unlock_user(p, arg1, 0);
5878 break;
5879 case TARGET_NR_uname:
5880
5881 {
5882 struct new_utsname * buf;
5883
5884 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5885 goto efault;
5886 ret = get_errno(sys_uname(buf));
5887 if (!is_error(ret)) {
5888
5889
5890 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
5891
5892 if (qemu_uname_release && *qemu_uname_release)
5893 strcpy (buf->release, qemu_uname_release);
5894 }
5895 unlock_user_struct(buf, arg1, 1);
5896 }
5897 break;
5898#ifdef TARGET_I386
5899 case TARGET_NR_modify_ldt:
5900 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5901 break;
5902#if !defined(TARGET_X86_64)
5903 case TARGET_NR_vm86old:
5904 goto unimplemented;
5905 case TARGET_NR_vm86:
5906 ret = do_vm86(cpu_env, arg1, arg2);
5907 break;
5908#endif
5909#endif
5910 case TARGET_NR_adjtimex:
5911 goto unimplemented;
5912#ifdef TARGET_NR_create_module
5913 case TARGET_NR_create_module:
5914#endif
5915 case TARGET_NR_init_module:
5916 case TARGET_NR_delete_module:
5917#ifdef TARGET_NR_get_kernel_syms
5918 case TARGET_NR_get_kernel_syms:
5919#endif
5920 goto unimplemented;
5921 case TARGET_NR_quotactl:
5922 goto unimplemented;
5923 case TARGET_NR_getpgid:
5924 ret = get_errno(getpgid(arg1));
5925 break;
5926 case TARGET_NR_fchdir:
5927 ret = get_errno(fchdir(arg1));
5928 break;
5929#ifdef TARGET_NR_bdflush
5930 case TARGET_NR_bdflush:
5931 goto unimplemented;
5932#endif
5933#ifdef TARGET_NR_sysfs
5934 case TARGET_NR_sysfs:
5935 goto unimplemented;
5936#endif
5937 case TARGET_NR_personality:
5938 ret = get_errno(personality(arg1));
5939 break;
5940#ifdef TARGET_NR_afs_syscall
5941 case TARGET_NR_afs_syscall:
5942 goto unimplemented;
5943#endif
5944#ifdef TARGET_NR__llseek
5945 case TARGET_NR__llseek:
5946 {
5947#if !defined(__NR_llseek)
5948 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
5949 if (put_user_s64(ret, arg4))
5950 goto efault;
5951#else
5952 int64_t res;
5953 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
5954 if (put_user_s64(res, arg4))
5955 goto efault;
5956#endif
5957 }
5958 break;
5959#endif
5960 case TARGET_NR_getdents:
5961#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
5962 {
5963 struct target_dirent *target_dirp;
5964 struct linux_dirent *dirp;
5965 abi_long count = arg3;
5966
5967 dirp = malloc(count);
5968 if (!dirp) {
5969 ret = -TARGET_ENOMEM;
5970 goto fail;
5971 }
5972
5973 ret = get_errno(sys_getdents(arg1, dirp, count));
5974 if (!is_error(ret)) {
5975 struct linux_dirent *de;
5976 struct target_dirent *tde;
5977 int len = ret;
5978 int reclen, treclen;
5979 int count1, tnamelen;
5980
5981 count1 = 0;
5982 de = dirp;
5983 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5984 goto efault;
5985 tde = target_dirp;
5986 while (len > 0) {
5987 reclen = de->d_reclen;
5988 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
5989 tde->d_reclen = tswap16(treclen);
5990 tde->d_ino = tswapl(de->d_ino);
5991 tde->d_off = tswapl(de->d_off);
5992 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
5993 if (tnamelen > 256)
5994 tnamelen = 256;
5995
5996 pstrcpy(tde->d_name, tnamelen, de->d_name);
5997 de = (struct linux_dirent *)((char *)de + reclen);
5998 len -= reclen;
5999 tde = (struct target_dirent *)((char *)tde + treclen);
6000 count1 += treclen;
6001 }
6002 ret = count1;
6003 unlock_user(target_dirp, arg2, ret);
6004 }
6005 free(dirp);
6006 }
6007#else
6008 {
6009 struct linux_dirent *dirp;
6010 abi_long count = arg3;
6011
6012 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6013 goto efault;
6014 ret = get_errno(sys_getdents(arg1, dirp, count));
6015 if (!is_error(ret)) {
6016 struct linux_dirent *de;
6017 int len = ret;
6018 int reclen;
6019 de = dirp;
6020 while (len > 0) {
6021 reclen = de->d_reclen;
6022 if (reclen > len)
6023 break;
6024 de->d_reclen = tswap16(reclen);
6025 tswapls(&de->d_ino);
6026 tswapls(&de->d_off);
6027 de = (struct linux_dirent *)((char *)de + reclen);
6028 len -= reclen;
6029 }
6030 }
6031 unlock_user(dirp, arg2, ret);
6032 }
6033#endif
6034 break;
6035#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
6036 case TARGET_NR_getdents64:
6037 {
6038 struct linux_dirent64 *dirp;
6039 abi_long count = arg3;
6040 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6041 goto efault;
6042 ret = get_errno(sys_getdents64(arg1, dirp, count));
6043 if (!is_error(ret)) {
6044 struct linux_dirent64 *de;
6045 int len = ret;
6046 int reclen;
6047 de = dirp;
6048 while (len > 0) {
6049 reclen = de->d_reclen;
6050 if (reclen > len)
6051 break;
6052 de->d_reclen = tswap16(reclen);
6053 tswap64s((uint64_t *)&de->d_ino);
6054 tswap64s((uint64_t *)&de->d_off);
6055 de = (struct linux_dirent64 *)((char *)de + reclen);
6056 len -= reclen;
6057 }
6058 }
6059 unlock_user(dirp, arg2, ret);
6060 }
6061 break;
6062#endif
6063#ifdef TARGET_NR__newselect
6064 case TARGET_NR__newselect:
6065 ret = do_select(arg1, arg2, arg3, arg4, arg5);
6066 break;
6067#endif
6068#ifdef TARGET_NR_poll
6069 case TARGET_NR_poll:
6070 {
6071 struct target_pollfd *target_pfd;
6072 unsigned int nfds = arg2;
6073 int timeout = arg3;
6074 struct pollfd *pfd;
6075 unsigned int i;
6076
6077 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
6078 if (!target_pfd)
6079 goto efault;
6080 pfd = alloca(sizeof(struct pollfd) * nfds);
6081 for(i = 0; i < nfds; i++) {
6082 pfd[i].fd = tswap32(target_pfd[i].fd);
6083 pfd[i].events = tswap16(target_pfd[i].events);
6084 }
6085 ret = get_errno(poll(pfd, nfds, timeout));
6086 if (!is_error(ret)) {
6087 for(i = 0; i < nfds; i++) {
6088 target_pfd[i].revents = tswap16(pfd[i].revents);
6089 }
6090 ret += nfds * (sizeof(struct target_pollfd)
6091 - sizeof(struct pollfd));
6092 }
6093 unlock_user(target_pfd, arg1, ret);
6094 }
6095 break;
6096#endif
6097 case TARGET_NR_flock:
6098
6099
6100 ret = get_errno(flock(arg1, arg2));
6101 break;
6102 case TARGET_NR_readv:
6103 {
6104 int count = arg3;
6105 struct iovec *vec;
6106
6107 vec = alloca(count * sizeof(struct iovec));
6108 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
6109 goto efault;
6110 ret = get_errno(readv(arg1, vec, count));
6111 unlock_iovec(vec, arg2, count, 1);
6112 }
6113 break;
6114 case TARGET_NR_writev:
6115 {
6116 int count = arg3;
6117 struct iovec *vec;
6118
6119 vec = alloca(count * sizeof(struct iovec));
6120 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6121 goto efault;
6122 ret = get_errno(writev(arg1, vec, count));
6123 unlock_iovec(vec, arg2, count, 0);
6124 }
6125 break;
6126 case TARGET_NR_getsid:
6127 ret = get_errno(getsid(arg1));
6128 break;
6129#if defined(TARGET_NR_fdatasync)
6130 case TARGET_NR_fdatasync:
6131 ret = get_errno(fdatasync(arg1));
6132 break;
6133#endif
6134 case TARGET_NR__sysctl:
6135
6136
6137 ret = -TARGET_ENOTDIR;
6138 break;
6139 case TARGET_NR_sched_setparam:
6140 {
6141 struct sched_param *target_schp;
6142 struct sched_param schp;
6143
6144 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
6145 goto efault;
6146 schp.sched_priority = tswap32(target_schp->sched_priority);
6147 unlock_user_struct(target_schp, arg2, 0);
6148 ret = get_errno(sched_setparam(arg1, &schp));
6149 }
6150 break;
6151 case TARGET_NR_sched_getparam:
6152 {
6153 struct sched_param *target_schp;
6154 struct sched_param schp;
6155 ret = get_errno(sched_getparam(arg1, &schp));
6156 if (!is_error(ret)) {
6157 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
6158 goto efault;
6159 target_schp->sched_priority = tswap32(schp.sched_priority);
6160 unlock_user_struct(target_schp, arg2, 1);
6161 }
6162 }
6163 break;
6164 case TARGET_NR_sched_setscheduler:
6165 {
6166 struct sched_param *target_schp;
6167 struct sched_param schp;
6168 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
6169 goto efault;
6170 schp.sched_priority = tswap32(target_schp->sched_priority);
6171 unlock_user_struct(target_schp, arg3, 0);
6172 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
6173 }
6174 break;
6175 case TARGET_NR_sched_getscheduler:
6176 ret = get_errno(sched_getscheduler(arg1));
6177 break;
6178 case TARGET_NR_sched_yield:
6179 ret = get_errno(sched_yield());
6180 break;
6181 case TARGET_NR_sched_get_priority_max:
6182 ret = get_errno(sched_get_priority_max(arg1));
6183 break;
6184 case TARGET_NR_sched_get_priority_min:
6185 ret = get_errno(sched_get_priority_min(arg1));
6186 break;
6187 case TARGET_NR_sched_rr_get_interval:
6188 {
6189 struct timespec ts;
6190 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6191 if (!is_error(ret)) {
6192 host_to_target_timespec(arg2, &ts);
6193 }
6194 }
6195 break;
6196 case TARGET_NR_nanosleep:
6197 {
6198 struct timespec req, rem;
6199 target_to_host_timespec(&req, arg1);
6200 ret = get_errno(nanosleep(&req, &rem));
6201 if (is_error(ret) && arg2) {
6202 host_to_target_timespec(arg2, &rem);
6203 }
6204 }
6205 break;
6206#ifdef TARGET_NR_query_module
6207 case TARGET_NR_query_module:
6208 goto unimplemented;
6209#endif
6210#ifdef TARGET_NR_nfsservctl
6211 case TARGET_NR_nfsservctl:
6212 goto unimplemented;
6213#endif
6214 case TARGET_NR_prctl:
6215 switch (arg1)
6216 {
6217 case PR_GET_PDEATHSIG:
6218 {
6219 int deathsig;
6220 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
6221 if (!is_error(ret) && arg2
6222 && put_user_ual(deathsig, arg2))
6223 goto efault;
6224 }
6225 break;
6226 default:
6227 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6228 break;
6229 }
6230 break;
6231#ifdef TARGET_NR_arch_prctl
6232 case TARGET_NR_arch_prctl:
6233#if defined(TARGET_I386) && !defined(TARGET_ABI32)
6234 ret = do_arch_prctl(cpu_env, arg1, arg2);
6235 break;
6236#else
6237 goto unimplemented;
6238#endif
6239#endif
6240#ifdef TARGET_NR_pread
6241 case TARGET_NR_pread:
6242#ifdef TARGET_ARM
6243 if (((CPUARMState *)cpu_env)->eabi)
6244 arg4 = arg5;
6245#endif
6246 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6247 goto efault;
6248 ret = get_errno(pread(arg1, p, arg3, arg4));
6249 unlock_user(p, arg2, ret);
6250 break;
6251 case TARGET_NR_pwrite:
6252#ifdef TARGET_ARM
6253 if (((CPUARMState *)cpu_env)->eabi)
6254 arg4 = arg5;
6255#endif
6256 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6257 goto efault;
6258 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6259 unlock_user(p, arg2, 0);
6260 break;
6261#endif
6262#ifdef TARGET_NR_pread64
6263 case TARGET_NR_pread64:
6264 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6265 goto efault;
6266 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6267 unlock_user(p, arg2, ret);
6268 break;
6269 case TARGET_NR_pwrite64:
6270 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6271 goto efault;
6272 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6273 unlock_user(p, arg2, 0);
6274 break;
6275#endif
6276 case TARGET_NR_getcwd:
6277 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6278 goto efault;
6279 ret = get_errno(sys_getcwd1(p, arg2));
6280 unlock_user(p, arg1, ret);
6281 break;
6282 case TARGET_NR_capget:
6283 goto unimplemented;
6284 case TARGET_NR_capset:
6285 goto unimplemented;
6286 case TARGET_NR_sigaltstack:
6287#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
6288 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
6289 defined(TARGET_M68K)
6290 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
6291 break;
6292#else
6293 goto unimplemented;
6294#endif
6295 case TARGET_NR_sendfile:
6296 goto unimplemented;
6297#ifdef TARGET_NR_getpmsg
6298 case TARGET_NR_getpmsg:
6299 goto unimplemented;
6300#endif
6301#ifdef TARGET_NR_putpmsg
6302 case TARGET_NR_putpmsg:
6303 goto unimplemented;
6304#endif
6305#ifdef TARGET_NR_vfork
6306 case TARGET_NR_vfork:
6307 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6308 0, 0, 0, 0));
6309 break;
6310#endif
6311#ifdef TARGET_NR_ugetrlimit
6312 case TARGET_NR_ugetrlimit:
6313 {
6314 struct rlimit rlim;
6315 ret = get_errno(getrlimit(arg1, &rlim));
6316 if (!is_error(ret)) {
6317 struct target_rlimit *target_rlim;
6318 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6319 goto efault;
6320 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6321 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
6322 unlock_user_struct(target_rlim, arg2, 1);
6323 }
6324 break;
6325 }
6326#endif
6327#ifdef TARGET_NR_truncate64
6328 case TARGET_NR_truncate64:
6329 if (!(p = lock_user_string(arg1)))
6330 goto efault;
6331 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6332 unlock_user(p, arg1, 0);
6333 break;
6334#endif
6335#ifdef TARGET_NR_ftruncate64
6336 case TARGET_NR_ftruncate64:
6337 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
6338 break;
6339#endif
6340#ifdef TARGET_NR_stat64
6341 case TARGET_NR_stat64:
6342 if (!(p = lock_user_string(arg1)))
6343 goto efault;
6344 ret = get_errno(stat(path(p), &st));
6345 unlock_user(p, arg1, 0);
6346 if (!is_error(ret))
6347 ret = host_to_target_stat64(cpu_env, arg2, &st);
6348 break;
6349#endif
6350#ifdef TARGET_NR_lstat64
6351 case TARGET_NR_lstat64:
6352 if (!(p = lock_user_string(arg1)))
6353 goto efault;
6354 ret = get_errno(lstat(path(p), &st));
6355 unlock_user(p, arg1, 0);
6356 if (!is_error(ret))
6357 ret = host_to_target_stat64(cpu_env, arg2, &st);
6358 break;
6359#endif
6360#ifdef TARGET_NR_fstat64
6361 case TARGET_NR_fstat64:
6362 ret = get_errno(fstat(arg1, &st));
6363 if (!is_error(ret))
6364 ret = host_to_target_stat64(cpu_env, arg2, &st);
6365 break;
6366#endif
6367#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6368 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6369#ifdef TARGET_NR_fstatat64
6370 case TARGET_NR_fstatat64:
6371#endif
6372#ifdef TARGET_NR_newfstatat
6373 case TARGET_NR_newfstatat:
6374#endif
6375 if (!(p = lock_user_string(arg2)))
6376 goto efault;
6377#ifdef __NR_fstatat64
6378 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
6379#else
6380 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6381#endif
6382 if (!is_error(ret))
6383 ret = host_to_target_stat64(cpu_env, arg3, &st);
6384 break;
6385#endif
6386#ifdef USE_UID16
6387 case TARGET_NR_lchown:
6388 if (!(p = lock_user_string(arg1)))
6389 goto efault;
6390 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6391 unlock_user(p, arg1, 0);
6392 break;
6393 case TARGET_NR_getuid:
6394 ret = get_errno(high2lowuid(getuid()));
6395 break;
6396 case TARGET_NR_getgid:
6397 ret = get_errno(high2lowgid(getgid()));
6398 break;
6399 case TARGET_NR_geteuid:
6400 ret = get_errno(high2lowuid(geteuid()));
6401 break;
6402 case TARGET_NR_getegid:
6403 ret = get_errno(high2lowgid(getegid()));
6404 break;
6405 case TARGET_NR_setreuid:
6406 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6407 break;
6408 case TARGET_NR_setregid:
6409 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6410 break;
6411 case TARGET_NR_getgroups:
6412 {
6413 int gidsetsize = arg1;
6414 uint16_t *target_grouplist;
6415 gid_t *grouplist;
6416 int i;
6417
6418 grouplist = alloca(gidsetsize * sizeof(gid_t));
6419 ret = get_errno(getgroups(gidsetsize, grouplist));
6420 if (gidsetsize == 0)
6421 break;
6422 if (!is_error(ret)) {
6423 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6424 if (!target_grouplist)
6425 goto efault;
6426 for(i = 0;i < ret; i++)
6427 target_grouplist[i] = tswap16(grouplist[i]);
6428 unlock_user(target_grouplist, arg2, gidsetsize * 2);
6429 }
6430 }
6431 break;
6432 case TARGET_NR_setgroups:
6433 {
6434 int gidsetsize = arg1;
6435 uint16_t *target_grouplist;
6436 gid_t *grouplist;
6437 int i;
6438
6439 grouplist = alloca(gidsetsize * sizeof(gid_t));
6440 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6441 if (!target_grouplist) {
6442 ret = -TARGET_EFAULT;
6443 goto fail;
6444 }
6445 for(i = 0;i < gidsetsize; i++)
6446 grouplist[i] = tswap16(target_grouplist[i]);
6447 unlock_user(target_grouplist, arg2, 0);
6448 ret = get_errno(setgroups(gidsetsize, grouplist));
6449 }
6450 break;
6451 case TARGET_NR_fchown:
6452 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6453 break;
6454#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6455 case TARGET_NR_fchownat:
6456 if (!(p = lock_user_string(arg2)))
6457 goto efault;
6458 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6459 unlock_user(p, arg2, 0);
6460 break;
6461#endif
6462#ifdef TARGET_NR_setresuid
6463 case TARGET_NR_setresuid:
6464 ret = get_errno(setresuid(low2highuid(arg1),
6465 low2highuid(arg2),
6466 low2highuid(arg3)));
6467 break;
6468#endif
6469#ifdef TARGET_NR_getresuid
6470 case TARGET_NR_getresuid:
6471 {
6472 uid_t ruid, euid, suid;
6473 ret = get_errno(getresuid(&ruid, &euid, &suid));
6474 if (!is_error(ret)) {
6475 if (put_user_u16(high2lowuid(ruid), arg1)
6476 || put_user_u16(high2lowuid(euid), arg2)
6477 || put_user_u16(high2lowuid(suid), arg3))
6478 goto efault;
6479 }
6480 }
6481 break;
6482#endif
6483#ifdef TARGET_NR_getresgid
6484 case TARGET_NR_setresgid:
6485 ret = get_errno(setresgid(low2highgid(arg1),
6486 low2highgid(arg2),
6487 low2highgid(arg3)));
6488 break;
6489#endif
6490#ifdef TARGET_NR_getresgid
6491 case TARGET_NR_getresgid:
6492 {
6493 gid_t rgid, egid, sgid;
6494 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6495 if (!is_error(ret)) {
6496 if (put_user_u16(high2lowgid(rgid), arg1)
6497 || put_user_u16(high2lowgid(egid), arg2)
6498 || put_user_u16(high2lowgid(sgid), arg3))
6499 goto efault;
6500 }
6501 }
6502 break;
6503#endif
6504 case TARGET_NR_chown:
6505 if (!(p = lock_user_string(arg1)))
6506 goto efault;
6507 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6508 unlock_user(p, arg1, 0);
6509 break;
6510 case TARGET_NR_setuid:
6511 ret = get_errno(setuid(low2highuid(arg1)));
6512 break;
6513 case TARGET_NR_setgid:
6514 ret = get_errno(setgid(low2highgid(arg1)));
6515 break;
6516 case TARGET_NR_setfsuid:
6517 ret = get_errno(setfsuid(arg1));
6518 break;
6519 case TARGET_NR_setfsgid:
6520 ret = get_errno(setfsgid(arg1));
6521 break;
6522#endif
6523
6524#ifdef TARGET_NR_lchown32
6525 case TARGET_NR_lchown32:
6526 if (!(p = lock_user_string(arg1)))
6527 goto efault;
6528 ret = get_errno(lchown(p, arg2, arg3));
6529 unlock_user(p, arg1, 0);
6530 break;
6531#endif
6532#ifdef TARGET_NR_getuid32
6533 case TARGET_NR_getuid32:
6534 ret = get_errno(getuid());
6535 break;
6536#endif
6537
6538#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6539
6540 case TARGET_NR_getxuid:
6541 {
6542 uid_t euid;
6543 euid=geteuid();
6544 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6545 }
6546 ret = get_errno(getuid());
6547 break;
6548#endif
6549#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6550
6551 case TARGET_NR_getxgid:
6552 {
6553 uid_t egid;
6554 egid=getegid();
6555 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6556 }
6557 ret = get_errno(getgid());
6558 break;
6559#endif
6560#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
6561
6562 case TARGET_NR_osf_getsysinfo:
6563 ret = -TARGET_EOPNOTSUPP;
6564 switch (arg1) {
6565 case TARGET_GSI_IEEE_FP_CONTROL:
6566 {
6567 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
6568
6569
6570 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
6571 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
6572 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
6573 | SWCR_TRAP_ENABLE_DZE
6574 | SWCR_TRAP_ENABLE_OVF);
6575 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
6576 | SWCR_TRAP_ENABLE_INE);
6577 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
6578 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
6579
6580 if (put_user_u64 (swcr, arg2))
6581 goto efault;
6582 ret = 0;
6583 }
6584 break;
6585
6586
6587
6588
6589
6590
6591
6592
6593
6594
6595 }
6596 break;
6597#endif
6598#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
6599
6600 case TARGET_NR_osf_setsysinfo:
6601 ret = -TARGET_EOPNOTSUPP;
6602 switch (arg1) {
6603 case TARGET_SSI_IEEE_FP_CONTROL:
6604 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
6605 {
6606 uint64_t swcr, fpcr, orig_fpcr;
6607
6608 if (get_user_u64 (swcr, arg2))
6609 goto efault;
6610 orig_fpcr = cpu_alpha_load_fpcr (cpu_env);
6611 fpcr = orig_fpcr & FPCR_DYN_MASK;
6612
6613
6614 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
6615 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
6616 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
6617 | SWCR_TRAP_ENABLE_DZE
6618 | SWCR_TRAP_ENABLE_OVF)) << 48;
6619 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
6620 | SWCR_TRAP_ENABLE_INE)) << 57;
6621 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
6622 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
6623
6624 cpu_alpha_store_fpcr (cpu_env, fpcr);
6625 ret = 0;
6626
6627 if (arg1 == TARGET_SSI_IEEE_RAISE_EXCEPTION) {
6628
6629 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
6630
6631
6632
6633
6634 }
6635 }
6636 break;
6637
6638
6639
6640
6641
6642
6643
6644 }
6645 break;
6646#endif
6647#ifdef TARGET_NR_osf_sigprocmask
6648
6649 case TARGET_NR_osf_sigprocmask:
6650 {
6651 abi_ulong mask;
6652 int how = arg1;
6653 sigset_t set, oldset;
6654
6655 switch(arg1) {
6656 case TARGET_SIG_BLOCK:
6657 how = SIG_BLOCK;
6658 break;
6659 case TARGET_SIG_UNBLOCK:
6660 how = SIG_UNBLOCK;
6661 break;
6662 case TARGET_SIG_SETMASK:
6663 how = SIG_SETMASK;
6664 break;
6665 default:
6666 ret = -TARGET_EINVAL;
6667 goto fail;
6668 }
6669 mask = arg2;
6670 target_to_host_old_sigset(&set, &mask);
6671 sigprocmask(arg1, &set, &oldset);
6672 host_to_target_old_sigset(&mask, &oldset);
6673 ret = mask;
6674 }
6675 break;
6676#endif
6677
6678#ifdef TARGET_NR_getgid32
6679 case TARGET_NR_getgid32:
6680 ret = get_errno(getgid());
6681 break;
6682#endif
6683#ifdef TARGET_NR_geteuid32
6684 case TARGET_NR_geteuid32:
6685 ret = get_errno(geteuid());
6686 break;
6687#endif
6688#ifdef TARGET_NR_getegid32
6689 case TARGET_NR_getegid32:
6690 ret = get_errno(getegid());
6691 break;
6692#endif
6693#ifdef TARGET_NR_setreuid32
6694 case TARGET_NR_setreuid32:
6695 ret = get_errno(setreuid(arg1, arg2));
6696 break;
6697#endif
6698#ifdef TARGET_NR_setregid32
6699 case TARGET_NR_setregid32:
6700 ret = get_errno(setregid(arg1, arg2));
6701 break;
6702#endif
6703#ifdef TARGET_NR_getgroups32
6704 case TARGET_NR_getgroups32:
6705 {
6706 int gidsetsize = arg1;
6707 uint32_t *target_grouplist;
6708 gid_t *grouplist;
6709 int i;
6710
6711 grouplist = alloca(gidsetsize * sizeof(gid_t));
6712 ret = get_errno(getgroups(gidsetsize, grouplist));
6713 if (gidsetsize == 0)
6714 break;
6715 if (!is_error(ret)) {
6716 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6717 if (!target_grouplist) {
6718 ret = -TARGET_EFAULT;
6719 goto fail;
6720 }
6721 for(i = 0;i < ret; i++)
6722 target_grouplist[i] = tswap32(grouplist[i]);
6723 unlock_user(target_grouplist, arg2, gidsetsize * 4);
6724 }
6725 }
6726 break;
6727#endif
6728#ifdef TARGET_NR_setgroups32
6729 case TARGET_NR_setgroups32:
6730 {
6731 int gidsetsize = arg1;
6732 uint32_t *target_grouplist;
6733 gid_t *grouplist;
6734 int i;
6735
6736 grouplist = alloca(gidsetsize * sizeof(gid_t));
6737 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6738 if (!target_grouplist) {
6739 ret = -TARGET_EFAULT;
6740 goto fail;
6741 }
6742 for(i = 0;i < gidsetsize; i++)
6743 grouplist[i] = tswap32(target_grouplist[i]);
6744 unlock_user(target_grouplist, arg2, 0);
6745 ret = get_errno(setgroups(gidsetsize, grouplist));
6746 }
6747 break;
6748#endif
6749#ifdef TARGET_NR_fchown32
6750 case TARGET_NR_fchown32:
6751 ret = get_errno(fchown(arg1, arg2, arg3));
6752 break;
6753#endif
6754#ifdef TARGET_NR_setresuid32
6755 case TARGET_NR_setresuid32:
6756 ret = get_errno(setresuid(arg1, arg2, arg3));
6757 break;
6758#endif
6759#ifdef TARGET_NR_getresuid32
6760 case TARGET_NR_getresuid32:
6761 {
6762 uid_t ruid, euid, suid;
6763 ret = get_errno(getresuid(&ruid, &euid, &suid));
6764 if (!is_error(ret)) {
6765 if (put_user_u32(ruid, arg1)
6766 || put_user_u32(euid, arg2)
6767 || put_user_u32(suid, arg3))
6768 goto efault;
6769 }
6770 }
6771 break;
6772#endif
6773#ifdef TARGET_NR_setresgid32
6774 case TARGET_NR_setresgid32:
6775 ret = get_errno(setresgid(arg1, arg2, arg3));
6776 break;
6777#endif
6778#ifdef TARGET_NR_getresgid32
6779 case TARGET_NR_getresgid32:
6780 {
6781 gid_t rgid, egid, sgid;
6782 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6783 if (!is_error(ret)) {
6784 if (put_user_u32(rgid, arg1)
6785 || put_user_u32(egid, arg2)
6786 || put_user_u32(sgid, arg3))
6787 goto efault;
6788 }
6789 }
6790 break;
6791#endif
6792#ifdef TARGET_NR_chown32
6793 case TARGET_NR_chown32:
6794 if (!(p = lock_user_string(arg1)))
6795 goto efault;
6796 ret = get_errno(chown(p, arg2, arg3));
6797 unlock_user(p, arg1, 0);
6798 break;
6799#endif
6800#ifdef TARGET_NR_setuid32
6801 case TARGET_NR_setuid32:
6802 ret = get_errno(setuid(arg1));
6803 break;
6804#endif
6805#ifdef TARGET_NR_setgid32
6806 case TARGET_NR_setgid32:
6807 ret = get_errno(setgid(arg1));
6808 break;
6809#endif
6810#ifdef TARGET_NR_setfsuid32
6811 case TARGET_NR_setfsuid32:
6812 ret = get_errno(setfsuid(arg1));
6813 break;
6814#endif
6815#ifdef TARGET_NR_setfsgid32
6816 case TARGET_NR_setfsgid32:
6817 ret = get_errno(setfsgid(arg1));
6818 break;
6819#endif
6820
6821 case TARGET_NR_pivot_root:
6822 goto unimplemented;
6823#ifdef TARGET_NR_mincore
6824 case TARGET_NR_mincore:
6825 {
6826 void *a;
6827 ret = -TARGET_EFAULT;
6828 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6829 goto efault;
6830 if (!(p = lock_user_string(arg3)))
6831 goto mincore_fail;
6832 ret = get_errno(mincore(a, arg2, p));
6833 unlock_user(p, arg3, ret);
6834 mincore_fail:
6835 unlock_user(a, arg1, 0);
6836 }
6837 break;
6838#endif
6839#ifdef TARGET_NR_arm_fadvise64_64
6840 case TARGET_NR_arm_fadvise64_64:
6841 {
6842
6843
6844
6845
6846 abi_long temp;
6847 temp = arg3;
6848 arg3 = arg4;
6849 arg4 = temp;
6850 }
6851#endif
6852#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
6853#ifdef TARGET_NR_fadvise64_64
6854 case TARGET_NR_fadvise64_64:
6855#endif
6856#ifdef TARGET_NR_fadvise64
6857 case TARGET_NR_fadvise64:
6858#endif
6859#ifdef TARGET_S390X
6860 switch (arg4) {
6861 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break;
6862 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break;
6863 case 6: arg4 = POSIX_FADV_DONTNEED; break;
6864 case 7: arg4 = POSIX_FADV_NOREUSE; break;
6865 default: break;
6866 }
6867#endif
6868 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
6869 break;
6870#endif
6871#ifdef TARGET_NR_madvise
6872 case TARGET_NR_madvise:
6873
6874
6875
6876
6877 ret = get_errno(0);
6878 break;
6879#endif
6880#if TARGET_ABI_BITS == 32
6881 case TARGET_NR_fcntl64:
6882 {
6883 int cmd;
6884 struct flock64 fl;
6885 struct target_flock64 *target_fl;
6886#ifdef TARGET_ARM
6887 struct target_eabi_flock64 *target_efl;
6888#endif
6889
6890 cmd = target_to_host_fcntl_cmd(arg2);
6891 if (cmd == -TARGET_EINVAL)
6892 return cmd;
6893
6894 switch(arg2) {
6895 case TARGET_F_GETLK64:
6896#ifdef TARGET_ARM
6897 if (((CPUARMState *)cpu_env)->eabi) {
6898 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6899 goto efault;
6900 fl.l_type = tswap16(target_efl->l_type);
6901 fl.l_whence = tswap16(target_efl->l_whence);
6902 fl.l_start = tswap64(target_efl->l_start);
6903 fl.l_len = tswap64(target_efl->l_len);
6904 fl.l_pid = tswap32(target_efl->l_pid);
6905 unlock_user_struct(target_efl, arg3, 0);
6906 } else
6907#endif
6908 {
6909 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6910 goto efault;
6911 fl.l_type = tswap16(target_fl->l_type);
6912 fl.l_whence = tswap16(target_fl->l_whence);
6913 fl.l_start = tswap64(target_fl->l_start);
6914 fl.l_len = tswap64(target_fl->l_len);
6915 fl.l_pid = tswap32(target_fl->l_pid);
6916 unlock_user_struct(target_fl, arg3, 0);
6917 }
6918 ret = get_errno(fcntl(arg1, cmd, &fl));
6919 if (ret == 0) {
6920#ifdef TARGET_ARM
6921 if (((CPUARMState *)cpu_env)->eabi) {
6922 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6923 goto efault;
6924 target_efl->l_type = tswap16(fl.l_type);
6925 target_efl->l_whence = tswap16(fl.l_whence);
6926 target_efl->l_start = tswap64(fl.l_start);
6927 target_efl->l_len = tswap64(fl.l_len);
6928 target_efl->l_pid = tswap32(fl.l_pid);
6929 unlock_user_struct(target_efl, arg3, 1);
6930 } else
6931#endif
6932 {
6933 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6934 goto efault;
6935 target_fl->l_type = tswap16(fl.l_type);
6936 target_fl->l_whence = tswap16(fl.l_whence);
6937 target_fl->l_start = tswap64(fl.l_start);
6938 target_fl->l_len = tswap64(fl.l_len);
6939 target_fl->l_pid = tswap32(fl.l_pid);
6940 unlock_user_struct(target_fl, arg3, 1);
6941 }
6942 }
6943 break;
6944
6945 case TARGET_F_SETLK64:
6946 case TARGET_F_SETLKW64:
6947#ifdef TARGET_ARM
6948 if (((CPUARMState *)cpu_env)->eabi) {
6949 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6950 goto efault;
6951 fl.l_type = tswap16(target_efl->l_type);
6952 fl.l_whence = tswap16(target_efl->l_whence);
6953 fl.l_start = tswap64(target_efl->l_start);
6954 fl.l_len = tswap64(target_efl->l_len);
6955 fl.l_pid = tswap32(target_efl->l_pid);
6956 unlock_user_struct(target_efl, arg3, 0);
6957 } else
6958#endif
6959 {
6960 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6961 goto efault;
6962 fl.l_type = tswap16(target_fl->l_type);
6963 fl.l_whence = tswap16(target_fl->l_whence);
6964 fl.l_start = tswap64(target_fl->l_start);
6965 fl.l_len = tswap64(target_fl->l_len);
6966 fl.l_pid = tswap32(target_fl->l_pid);
6967 unlock_user_struct(target_fl, arg3, 0);
6968 }
6969 ret = get_errno(fcntl(arg1, cmd, &fl));
6970 break;
6971 default:
6972 ret = do_fcntl(arg1, arg2, arg3);
6973 break;
6974 }
6975 break;
6976 }
6977#endif
6978#ifdef TARGET_NR_cacheflush
6979 case TARGET_NR_cacheflush:
6980
6981 ret = 0;
6982 break;
6983#endif
6984#ifdef TARGET_NR_security
6985 case TARGET_NR_security:
6986 goto unimplemented;
6987#endif
6988#ifdef TARGET_NR_getpagesize
6989 case TARGET_NR_getpagesize:
6990 ret = TARGET_PAGE_SIZE;
6991 break;
6992#endif
6993 case TARGET_NR_gettid:
6994 ret = get_errno(gettid());
6995 break;
6996#ifdef TARGET_NR_readahead
6997 case TARGET_NR_readahead:
6998#if TARGET_ABI_BITS == 32
6999#ifdef TARGET_ARM
7000 if (((CPUARMState *)cpu_env)->eabi)
7001 {
7002 arg2 = arg3;
7003 arg3 = arg4;
7004 arg4 = arg5;
7005 }
7006#endif
7007 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
7008#else
7009 ret = get_errno(readahead(arg1, arg2, arg3));
7010#endif
7011 break;
7012#endif
7013#ifdef TARGET_NR_setxattr
7014 case TARGET_NR_setxattr:
7015 case TARGET_NR_lsetxattr:
7016 case TARGET_NR_fsetxattr:
7017 case TARGET_NR_getxattr:
7018 case TARGET_NR_lgetxattr:
7019 case TARGET_NR_fgetxattr:
7020 case TARGET_NR_listxattr:
7021 case TARGET_NR_llistxattr:
7022 case TARGET_NR_flistxattr:
7023 case TARGET_NR_removexattr:
7024 case TARGET_NR_lremovexattr:
7025 case TARGET_NR_fremovexattr:
7026 ret = -TARGET_EOPNOTSUPP;
7027 break;
7028#endif
7029#ifdef TARGET_NR_set_thread_area
7030 case TARGET_NR_set_thread_area:
7031#if defined(TARGET_MIPS)
7032 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
7033 ret = 0;
7034 break;
7035#elif defined(TARGET_CRIS)
7036 if (arg1 & 0xff)
7037 ret = -TARGET_EINVAL;
7038 else {
7039 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
7040 ret = 0;
7041 }
7042 break;
7043#elif defined(TARGET_I386) && defined(TARGET_ABI32)
7044 ret = do_set_thread_area(cpu_env, arg1);
7045 break;
7046#else
7047 goto unimplemented_nowarn;
7048#endif
7049#endif
7050#ifdef TARGET_NR_get_thread_area
7051 case TARGET_NR_get_thread_area:
7052#if defined(TARGET_I386) && defined(TARGET_ABI32)
7053 ret = do_get_thread_area(cpu_env, arg1);
7054#else
7055 goto unimplemented_nowarn;
7056#endif
7057#endif
7058#ifdef TARGET_NR_getdomainname
7059 case TARGET_NR_getdomainname:
7060 goto unimplemented_nowarn;
7061#endif
7062
7063#ifdef TARGET_NR_clock_gettime
7064 case TARGET_NR_clock_gettime:
7065 {
7066 struct timespec ts;
7067 ret = get_errno(clock_gettime(arg1, &ts));
7068 if (!is_error(ret)) {
7069 host_to_target_timespec(arg2, &ts);
7070 }
7071 break;
7072 }
7073#endif
7074#ifdef TARGET_NR_clock_getres
7075 case TARGET_NR_clock_getres:
7076 {
7077 struct timespec ts;
7078 ret = get_errno(clock_getres(arg1, &ts));
7079 if (!is_error(ret)) {
7080 host_to_target_timespec(arg2, &ts);
7081 }
7082 break;
7083 }
7084#endif
7085#ifdef TARGET_NR_clock_nanosleep
7086 case TARGET_NR_clock_nanosleep:
7087 {
7088 struct timespec ts;
7089 target_to_host_timespec(&ts, arg3);
7090 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
7091 if (arg4)
7092 host_to_target_timespec(arg4, &ts);
7093 break;
7094 }
7095#endif
7096
7097#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
7098 case TARGET_NR_set_tid_address:
7099 ret = get_errno(set_tid_address((int *)g2h(arg1)));
7100 break;
7101#endif
7102
7103#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
7104 case TARGET_NR_tkill:
7105 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
7106 break;
7107#endif
7108
7109#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
7110 case TARGET_NR_tgkill:
7111 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
7112 target_to_host_signal(arg3)));
7113 break;
7114#endif
7115
7116#ifdef TARGET_NR_set_robust_list
7117 case TARGET_NR_set_robust_list:
7118 goto unimplemented_nowarn;
7119#endif
7120
7121#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
7122 case TARGET_NR_utimensat:
7123 {
7124 struct timespec *tsp, ts[2];
7125 if (!arg3) {
7126 tsp = NULL;
7127 } else {
7128 target_to_host_timespec(ts, arg3);
7129 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
7130 tsp = ts;
7131 }
7132 if (!arg2)
7133 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
7134 else {
7135 if (!(p = lock_user_string(arg2))) {
7136 ret = -TARGET_EFAULT;
7137 goto fail;
7138 }
7139 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
7140 unlock_user(p, arg2, 0);
7141 }
7142 }
7143 break;
7144#endif
7145#if defined(CONFIG_USE_NPTL)
7146 case TARGET_NR_futex:
7147 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
7148 break;
7149#endif
7150#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
7151 case TARGET_NR_inotify_init:
7152 ret = get_errno(sys_inotify_init());
7153 break;
7154#endif
7155#ifdef CONFIG_INOTIFY1
7156#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
7157 case TARGET_NR_inotify_init1:
7158 ret = get_errno(sys_inotify_init1(arg1));
7159 break;
7160#endif
7161#endif
7162#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
7163 case TARGET_NR_inotify_add_watch:
7164 p = lock_user_string(arg2);
7165 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
7166 unlock_user(p, arg2, 0);
7167 break;
7168#endif
7169#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
7170 case TARGET_NR_inotify_rm_watch:
7171 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
7172 break;
7173#endif
7174
7175#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
7176 case TARGET_NR_mq_open:
7177 {
7178 struct mq_attr posix_mq_attr;
7179
7180 p = lock_user_string(arg1 - 1);
7181 if (arg4 != 0)
7182 copy_from_user_mq_attr (&posix_mq_attr, arg4);
7183 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
7184 unlock_user (p, arg1, 0);
7185 }
7186 break;
7187
7188 case TARGET_NR_mq_unlink:
7189 p = lock_user_string(arg1 - 1);
7190 ret = get_errno(mq_unlink(p));
7191 unlock_user (p, arg1, 0);
7192 break;
7193
7194 case TARGET_NR_mq_timedsend:
7195 {
7196 struct timespec ts;
7197
7198 p = lock_user (VERIFY_READ, arg2, arg3, 1);
7199 if (arg5 != 0) {
7200 target_to_host_timespec(&ts, arg5);
7201 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
7202 host_to_target_timespec(arg5, &ts);
7203 }
7204 else
7205 ret = get_errno(mq_send(arg1, p, arg3, arg4));
7206 unlock_user (p, arg2, arg3);
7207 }
7208 break;
7209
7210 case TARGET_NR_mq_timedreceive:
7211 {
7212 struct timespec ts;
7213 unsigned int prio;
7214
7215 p = lock_user (VERIFY_READ, arg2, arg3, 1);
7216 if (arg5 != 0) {
7217 target_to_host_timespec(&ts, arg5);
7218 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
7219 host_to_target_timespec(arg5, &ts);
7220 }
7221 else
7222 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
7223 unlock_user (p, arg2, arg3);
7224 if (arg4 != 0)
7225 put_user_u32(prio, arg4);
7226 }
7227 break;
7228
7229
7230
7231
7232
7233 case TARGET_NR_mq_getsetattr:
7234 {
7235 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
7236 ret = 0;
7237 if (arg3 != 0) {
7238 ret = mq_getattr(arg1, &posix_mq_attr_out);
7239 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
7240 }
7241 if (arg2 != 0) {
7242 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
7243 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
7244 }
7245
7246 }
7247 break;
7248#endif
7249
7250#ifdef CONFIG_SPLICE
7251#ifdef TARGET_NR_tee
7252 case TARGET_NR_tee:
7253 {
7254 ret = get_errno(tee(arg1,arg2,arg3,arg4));
7255 }
7256 break;
7257#endif
7258#ifdef TARGET_NR_splice
7259 case TARGET_NR_splice:
7260 {
7261 loff_t loff_in, loff_out;
7262 loff_t *ploff_in = NULL, *ploff_out = NULL;
7263 if(arg2) {
7264 get_user_u64(loff_in, arg2);
7265 ploff_in = &loff_in;
7266 }
7267 if(arg4) {
7268 get_user_u64(loff_out, arg2);
7269 ploff_out = &loff_out;
7270 }
7271 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
7272 }
7273 break;
7274#endif
7275#ifdef TARGET_NR_vmsplice
7276 case TARGET_NR_vmsplice:
7277 {
7278 int count = arg3;
7279 struct iovec *vec;
7280
7281 vec = alloca(count * sizeof(struct iovec));
7282 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
7283 goto efault;
7284 ret = get_errno(vmsplice(arg1, vec, count, arg4));
7285 unlock_iovec(vec, arg2, count, 0);
7286 }
7287 break;
7288#endif
7289#endif
7290#ifdef CONFIG_EVENTFD
7291#if defined(TARGET_NR_eventfd)
7292 case TARGET_NR_eventfd:
7293 ret = get_errno(eventfd(arg1, 0));
7294 break;
7295#endif
7296#if defined(TARGET_NR_eventfd2)
7297 case TARGET_NR_eventfd2:
7298 ret = get_errno(eventfd(arg1, arg2));
7299 break;
7300#endif
7301#endif
7302#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
7303 case TARGET_NR_fallocate:
7304 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
7305 break;
7306#endif
7307 default:
7308 unimplemented:
7309 gemu_log("qemu: Unsupported syscall: %d\n", num);
7310#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
7311 unimplemented_nowarn:
7312#endif
7313 ret = -TARGET_ENOSYS;
7314 break;
7315 }
7316fail:
7317#ifdef DEBUG
7318 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
7319#endif
7320 if(do_strace)
7321 print_syscall_ret(num, ret);
7322 return ret;
7323efault:
7324 ret = -TARGET_EFAULT;
7325 goto fail;
7326}
7327
