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21#include <stdlib.h>
22#include <stdio.h>
23#include <stdarg.h>
24#include <string.h>
25#include <elf.h>
26#include <endian.h>
27#include <errno.h>
28#include <unistd.h>
29#include <fcntl.h>
30#include <time.h>
31#include <limits.h>
32#include <sys/types.h>
33#include <sys/ipc.h>
34#include <sys/msg.h>
35#include <sys/wait.h>
36#include <sys/time.h>
37#include <sys/stat.h>
38#include <sys/mount.h>
39#include <sys/prctl.h>
40#include <sys/resource.h>
41#include <sys/mman.h>
42#include <sys/swap.h>
43#include <signal.h>
44#include <sched.h>
45#include <sys/socket.h>
46#include <sys/uio.h>
47#include <sys/poll.h>
48#include <sys/times.h>
49#include <sys/shm.h>
50#include <sys/sem.h>
51#include <sys/statfs.h>
52#include <utime.h>
53#include <sys/sysinfo.h>
54
55#include <netinet/ip.h>
56#include <netinet/tcp.h>
57#include <qemu-common.h>
58#ifdef HAVE_GPROF
59#include <sys/gmon.h>
60#endif
61
62#define termios host_termios
63#define winsize host_winsize
64#define termio host_termio
65#define sgttyb host_sgttyb
66#define tchars host_tchars
67#define ltchars host_ltchars
68
69#include <linux/termios.h>
70#include <linux/unistd.h>
71#include <linux/utsname.h>
72#include <linux/cdrom.h>
73#include <linux/hdreg.h>
74#include <linux/soundcard.h>
75#include <linux/kd.h>
76#include <linux/mtio.h>
77#include "linux_loop.h"
78
79#include "qemu.h"
80#include "qemu-common.h"
81
82#if defined(USE_NPTL)
83#include <linux/futex.h>
84#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
85 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
86#else
87
88#define CLONE_NPTL_FLAGS2 0
89#endif
90
91
92
93#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
94 || defined(TARGET_M68K) || defined(TARGET_SH4) || defined(TARGET_CRIS)
95
96#define USE_UID16
97#endif
98
99
100#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
101#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
102
103
104#undef _syscall0
105#undef _syscall1
106#undef _syscall2
107#undef _syscall3
108#undef _syscall4
109#undef _syscall5
110#undef _syscall6
111
112#define _syscall0(type,name) \
113static type name (void) \
114{ \
115 return syscall(__NR_##name); \
116}
117
118#define _syscall1(type,name,type1,arg1) \
119static type name (type1 arg1) \
120{ \
121 return syscall(__NR_##name, arg1); \
122}
123
124#define _syscall2(type,name,type1,arg1,type2,arg2) \
125static type name (type1 arg1,type2 arg2) \
126{ \
127 return syscall(__NR_##name, arg1, arg2); \
128}
129
130#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
131static type name (type1 arg1,type2 arg2,type3 arg3) \
132{ \
133 return syscall(__NR_##name, arg1, arg2, arg3); \
134}
135
136#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
137static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
138{ \
139 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
140}
141
142#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
143 type5,arg5) \
144static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
145{ \
146 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
147}
148
149
150#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
151 type5,arg5,type6,arg6) \
152static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
153 type6 arg6) \
154{ \
155 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
156}
157
158
159#define __NR_sys_exit __NR_exit
160#define __NR_sys_uname __NR_uname
161#define __NR_sys_faccessat __NR_faccessat
162#define __NR_sys_fchmodat __NR_fchmodat
163#define __NR_sys_fchownat __NR_fchownat
164#define __NR_sys_fstatat64 __NR_fstatat64
165#define __NR_sys_futimesat __NR_futimesat
166#define __NR_sys_getcwd1 __NR_getcwd
167#define __NR_sys_getdents __NR_getdents
168#define __NR_sys_getdents64 __NR_getdents64
169#define __NR_sys_getpriority __NR_getpriority
170#define __NR_sys_linkat __NR_linkat
171#define __NR_sys_mkdirat __NR_mkdirat
172#define __NR_sys_mknodat __NR_mknodat
173#define __NR_sys_openat __NR_openat
174#define __NR_sys_readlinkat __NR_readlinkat
175#define __NR_sys_renameat __NR_renameat
176#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
177#define __NR_sys_symlinkat __NR_symlinkat
178#define __NR_sys_syslog __NR_syslog
179#define __NR_sys_tgkill __NR_tgkill
180#define __NR_sys_tkill __NR_tkill
181#define __NR_sys_unlinkat __NR_unlinkat
182#define __NR_sys_utimensat __NR_utimensat
183#define __NR_sys_futex __NR_futex
184#define __NR_sys_inotify_init __NR_inotify_init
185#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
186#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
187
188#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
189#define __NR__llseek __NR_lseek
190#endif
191
192#ifdef __NR_gettid
193_syscall0(int, gettid)
194#else
195
196
197static int gettid(void) {
198 return -ENOSYS;
199}
200#endif
201_syscall1(int,sys_exit,int,status)
202_syscall1(int,sys_uname,struct new_utsname *,buf)
203#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
204_syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags)
205#endif
206#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
207_syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname,
208 mode_t,mode,int,flags)
209#endif
210#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
211_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
212 uid_t,owner,gid_t,group,int,flags)
213#endif
214#if defined(TARGET_NR_fstatat64) && defined(__NR_fstatat64)
215_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
216 struct stat *,buf,int,flags)
217#endif
218#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
219_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
220 const struct timeval *,times)
221#endif
222_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
223#if TARGET_ABI_BITS == 32
224_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
225#endif
226#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
227_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
228#endif
229_syscall2(int, sys_getpriority, int, which, int, who);
230#if !defined (__x86_64__)
231_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
232 loff_t *, res, uint, wh);
233#endif
234#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
235_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
236 int,newdirfd,const char *,newpath,int,flags)
237#endif
238#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
239_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
240#endif
241#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
242_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
243 mode_t,mode,dev_t,dev)
244#endif
245#if defined(TARGET_NR_openat) && defined(__NR_openat)
246_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
247#endif
248#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
249_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
250 char *,buf,size_t,bufsize)
251#endif
252#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
253_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
254 int,newdirfd,const char *,newpath)
255#endif
256_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
257#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
258_syscall3(int,sys_symlinkat,const char *,oldpath,
259 int,newdirfd,const char *,newpath)
260#endif
261_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
262#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
263_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
264#endif
265#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
266_syscall2(int,sys_tkill,int,tid,int,sig)
267#endif
268#ifdef __NR_exit_group
269_syscall1(int,exit_group,int,error_code)
270#endif
271#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
272_syscall1(int,set_tid_address,int *,tidptr)
273#endif
274#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
275_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
276#endif
277#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
278_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
279 const struct timespec *,tsp,int,flags)
280#endif
281#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
282_syscall0(int,sys_inotify_init)
283#endif
284#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
285_syscall3(int,sys_inotify_add_watch,int,fd,const char *,pathname,uint32_t,mask)
286#endif
287#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
288_syscall2(int,sys_inotify_rm_watch,int,fd,uint32_t,wd)
289#endif
290#if defined(USE_NPTL)
291#if defined(TARGET_NR_futex) && defined(__NR_futex)
292_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
293 const struct timespec *,timeout,int *,uaddr2,int,val3)
294#endif
295#endif
296
297extern int personality(int);
298extern int flock(int, int);
299extern int setfsuid(int);
300extern int setfsgid(int);
301extern int setgroups(int, gid_t *);
302
303#define ERRNO_TABLE_SIZE 1200
304
305
306
307static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
308};
309
310
311
312
313
314static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
315 [EIDRM] = TARGET_EIDRM,
316 [ECHRNG] = TARGET_ECHRNG,
317 [EL2NSYNC] = TARGET_EL2NSYNC,
318 [EL3HLT] = TARGET_EL3HLT,
319 [EL3RST] = TARGET_EL3RST,
320 [ELNRNG] = TARGET_ELNRNG,
321 [EUNATCH] = TARGET_EUNATCH,
322 [ENOCSI] = TARGET_ENOCSI,
323 [EL2HLT] = TARGET_EL2HLT,
324 [EDEADLK] = TARGET_EDEADLK,
325 [ENOLCK] = TARGET_ENOLCK,
326 [EBADE] = TARGET_EBADE,
327 [EBADR] = TARGET_EBADR,
328 [EXFULL] = TARGET_EXFULL,
329 [ENOANO] = TARGET_ENOANO,
330 [EBADRQC] = TARGET_EBADRQC,
331 [EBADSLT] = TARGET_EBADSLT,
332 [EBFONT] = TARGET_EBFONT,
333 [ENOSTR] = TARGET_ENOSTR,
334 [ENODATA] = TARGET_ENODATA,
335 [ETIME] = TARGET_ETIME,
336 [ENOSR] = TARGET_ENOSR,
337 [ENONET] = TARGET_ENONET,
338 [ENOPKG] = TARGET_ENOPKG,
339 [EREMOTE] = TARGET_EREMOTE,
340 [ENOLINK] = TARGET_ENOLINK,
341 [EADV] = TARGET_EADV,
342 [ESRMNT] = TARGET_ESRMNT,
343 [ECOMM] = TARGET_ECOMM,
344 [EPROTO] = TARGET_EPROTO,
345 [EDOTDOT] = TARGET_EDOTDOT,
346 [EMULTIHOP] = TARGET_EMULTIHOP,
347 [EBADMSG] = TARGET_EBADMSG,
348 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
349 [EOVERFLOW] = TARGET_EOVERFLOW,
350 [ENOTUNIQ] = TARGET_ENOTUNIQ,
351 [EBADFD] = TARGET_EBADFD,
352 [EREMCHG] = TARGET_EREMCHG,
353 [ELIBACC] = TARGET_ELIBACC,
354 [ELIBBAD] = TARGET_ELIBBAD,
355 [ELIBSCN] = TARGET_ELIBSCN,
356 [ELIBMAX] = TARGET_ELIBMAX,
357 [ELIBEXEC] = TARGET_ELIBEXEC,
358 [EILSEQ] = TARGET_EILSEQ,
359 [ENOSYS] = TARGET_ENOSYS,
360 [ELOOP] = TARGET_ELOOP,
361 [ERESTART] = TARGET_ERESTART,
362 [ESTRPIPE] = TARGET_ESTRPIPE,
363 [ENOTEMPTY] = TARGET_ENOTEMPTY,
364 [EUSERS] = TARGET_EUSERS,
365 [ENOTSOCK] = TARGET_ENOTSOCK,
366 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
367 [EMSGSIZE] = TARGET_EMSGSIZE,
368 [EPROTOTYPE] = TARGET_EPROTOTYPE,
369 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
370 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
371 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
372 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
373 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
374 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
375 [EADDRINUSE] = TARGET_EADDRINUSE,
376 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
377 [ENETDOWN] = TARGET_ENETDOWN,
378 [ENETUNREACH] = TARGET_ENETUNREACH,
379 [ENETRESET] = TARGET_ENETRESET,
380 [ECONNABORTED] = TARGET_ECONNABORTED,
381 [ECONNRESET] = TARGET_ECONNRESET,
382 [ENOBUFS] = TARGET_ENOBUFS,
383 [EISCONN] = TARGET_EISCONN,
384 [ENOTCONN] = TARGET_ENOTCONN,
385 [EUCLEAN] = TARGET_EUCLEAN,
386 [ENOTNAM] = TARGET_ENOTNAM,
387 [ENAVAIL] = TARGET_ENAVAIL,
388 [EISNAM] = TARGET_EISNAM,
389 [EREMOTEIO] = TARGET_EREMOTEIO,
390 [ESHUTDOWN] = TARGET_ESHUTDOWN,
391 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
392 [ETIMEDOUT] = TARGET_ETIMEDOUT,
393 [ECONNREFUSED] = TARGET_ECONNREFUSED,
394 [EHOSTDOWN] = TARGET_EHOSTDOWN,
395 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
396 [EALREADY] = TARGET_EALREADY,
397 [EINPROGRESS] = TARGET_EINPROGRESS,
398 [ESTALE] = TARGET_ESTALE,
399 [ECANCELED] = TARGET_ECANCELED,
400 [ENOMEDIUM] = TARGET_ENOMEDIUM,
401 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
402#ifdef ENOKEY
403 [ENOKEY] = TARGET_ENOKEY,
404#endif
405#ifdef EKEYEXPIRED
406 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
407#endif
408#ifdef EKEYREVOKED
409 [EKEYREVOKED] = TARGET_EKEYREVOKED,
410#endif
411#ifdef EKEYREJECTED
412 [EKEYREJECTED] = TARGET_EKEYREJECTED,
413#endif
414#ifdef EOWNERDEAD
415 [EOWNERDEAD] = TARGET_EOWNERDEAD,
416#endif
417#ifdef ENOTRECOVERABLE
418 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
419#endif
420};
421
422static inline int host_to_target_errno(int err)
423{
424 if(host_to_target_errno_table[err])
425 return host_to_target_errno_table[err];
426 return err;
427}
428
429static inline int target_to_host_errno(int err)
430{
431 if (target_to_host_errno_table[err])
432 return target_to_host_errno_table[err];
433 return err;
434}
435
436static inline abi_long get_errno(abi_long ret)
437{
438 if (ret == -1)
439 return -host_to_target_errno(errno);
440 else
441 return ret;
442}
443
444static inline int is_error(abi_long ret)
445{
446 return (abi_ulong)ret >= (abi_ulong)(-4096);
447}
448
449char *target_strerror(int err)
450{
451 return strerror(target_to_host_errno(err));
452}
453
454static abi_ulong target_brk;
455static abi_ulong target_original_brk;
456
457void target_set_brk(abi_ulong new_brk)
458{
459 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
460}
461
462
463abi_long do_brk(abi_ulong new_brk)
464{
465 abi_ulong brk_page;
466 abi_long mapped_addr;
467 int new_alloc_size;
468
469 if (!new_brk)
470 return target_brk;
471 if (new_brk < target_original_brk)
472 return target_brk;
473
474 brk_page = HOST_PAGE_ALIGN(target_brk);
475
476
477 if (new_brk < brk_page) {
478 target_brk = new_brk;
479 return target_brk;
480 }
481
482
483 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
484 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
485 PROT_READ|PROT_WRITE,
486 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
487
488 if (!is_error(mapped_addr))
489 target_brk = new_brk;
490
491 return target_brk;
492}
493
494static inline abi_long copy_from_user_fdset(fd_set *fds,
495 abi_ulong target_fds_addr,
496 int n)
497{
498 int i, nw, j, k;
499 abi_ulong b, *target_fds;
500
501 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
502 if (!(target_fds = lock_user(VERIFY_READ,
503 target_fds_addr,
504 sizeof(abi_ulong) * nw,
505 1)))
506 return -TARGET_EFAULT;
507
508 FD_ZERO(fds);
509 k = 0;
510 for (i = 0; i < nw; i++) {
511
512 __get_user(b, &target_fds[i]);
513 for (j = 0; j < TARGET_ABI_BITS; j++) {
514
515 if ((b >> j) & 1)
516 FD_SET(k, fds);
517 k++;
518 }
519 }
520
521 unlock_user(target_fds, target_fds_addr, 0);
522
523 return 0;
524}
525
526static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
527 const fd_set *fds,
528 int n)
529{
530 int i, nw, j, k;
531 abi_long v;
532 abi_ulong *target_fds;
533
534 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
535 if (!(target_fds = lock_user(VERIFY_WRITE,
536 target_fds_addr,
537 sizeof(abi_ulong) * nw,
538 0)))
539 return -TARGET_EFAULT;
540
541 k = 0;
542 for (i = 0; i < nw; i++) {
543 v = 0;
544 for (j = 0; j < TARGET_ABI_BITS; j++) {
545 v |= ((FD_ISSET(k, fds) != 0) << j);
546 k++;
547 }
548 __put_user(v, &target_fds[i]);
549 }
550
551 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
552
553 return 0;
554}
555
556#if defined(__alpha__)
557#define HOST_HZ 1024
558#else
559#define HOST_HZ 100
560#endif
561
562static inline abi_long host_to_target_clock_t(long ticks)
563{
564#if HOST_HZ == TARGET_HZ
565 return ticks;
566#else
567 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
568#endif
569}
570
571static inline abi_long host_to_target_rusage(abi_ulong target_addr,
572 const struct rusage *rusage)
573{
574 struct target_rusage *target_rusage;
575
576 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
577 return -TARGET_EFAULT;
578 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
579 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
580 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
581 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
582 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
583 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
584 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
585 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
586 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
587 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
588 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
589 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
590 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
591 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
592 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
593 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
594 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
595 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
596 unlock_user_struct(target_rusage, target_addr, 1);
597
598 return 0;
599}
600
601static inline abi_long copy_from_user_timeval(struct timeval *tv,
602 abi_ulong target_tv_addr)
603{
604 struct target_timeval *target_tv;
605
606 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
607 return -TARGET_EFAULT;
608
609 __get_user(tv->tv_sec, &target_tv->tv_sec);
610 __get_user(tv->tv_usec, &target_tv->tv_usec);
611
612 unlock_user_struct(target_tv, target_tv_addr, 0);
613
614 return 0;
615}
616
617static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
618 const struct timeval *tv)
619{
620 struct target_timeval *target_tv;
621
622 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
623 return -TARGET_EFAULT;
624
625 __put_user(tv->tv_sec, &target_tv->tv_sec);
626 __put_user(tv->tv_usec, &target_tv->tv_usec);
627
628 unlock_user_struct(target_tv, target_tv_addr, 1);
629
630 return 0;
631}
632
633
634
635static abi_long do_select(int n,
636 abi_ulong rfd_addr, abi_ulong wfd_addr,
637 abi_ulong efd_addr, abi_ulong target_tv_addr)
638{
639 fd_set rfds, wfds, efds;
640 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
641 struct timeval tv, *tv_ptr;
642 abi_long ret;
643
644 if (rfd_addr) {
645 if (copy_from_user_fdset(&rfds, rfd_addr, n))
646 return -TARGET_EFAULT;
647 rfds_ptr = &rfds;
648 } else {
649 rfds_ptr = NULL;
650 }
651 if (wfd_addr) {
652 if (copy_from_user_fdset(&wfds, wfd_addr, n))
653 return -TARGET_EFAULT;
654 wfds_ptr = &wfds;
655 } else {
656 wfds_ptr = NULL;
657 }
658 if (efd_addr) {
659 if (copy_from_user_fdset(&efds, efd_addr, n))
660 return -TARGET_EFAULT;
661 efds_ptr = &efds;
662 } else {
663 efds_ptr = NULL;
664 }
665
666 if (target_tv_addr) {
667 if (copy_from_user_timeval(&tv, target_tv_addr))
668 return -TARGET_EFAULT;
669 tv_ptr = &tv;
670 } else {
671 tv_ptr = NULL;
672 }
673
674 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
675
676 if (!is_error(ret)) {
677 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
678 return -TARGET_EFAULT;
679 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
680 return -TARGET_EFAULT;
681 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
682 return -TARGET_EFAULT;
683
684 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
685 return -TARGET_EFAULT;
686 }
687
688 return ret;
689}
690
691static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
692 abi_ulong target_addr,
693 socklen_t len)
694{
695 struct target_sockaddr *target_saddr;
696
697 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
698 if (!target_saddr)
699 return -TARGET_EFAULT;
700 memcpy(addr, target_saddr, len);
701 addr->sa_family = tswap16(target_saddr->sa_family);
702 unlock_user(target_saddr, target_addr, 0);
703
704 return 0;
705}
706
707static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
708 struct sockaddr *addr,
709 socklen_t len)
710{
711 struct target_sockaddr *target_saddr;
712
713 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
714 if (!target_saddr)
715 return -TARGET_EFAULT;
716 memcpy(target_saddr, addr, len);
717 target_saddr->sa_family = tswap16(addr->sa_family);
718 unlock_user(target_saddr, target_addr, len);
719
720 return 0;
721}
722
723
724static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
725 struct target_msghdr *target_msgh)
726{
727 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
728 abi_long msg_controllen;
729 abi_ulong target_cmsg_addr;
730 struct target_cmsghdr *target_cmsg;
731 socklen_t space = 0;
732
733 msg_controllen = tswapl(target_msgh->msg_controllen);
734 if (msg_controllen < sizeof (struct target_cmsghdr))
735 goto the_end;
736 target_cmsg_addr = tswapl(target_msgh->msg_control);
737 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
738 if (!target_cmsg)
739 return -TARGET_EFAULT;
740
741 while (cmsg && target_cmsg) {
742 void *data = CMSG_DATA(cmsg);
743 void *target_data = TARGET_CMSG_DATA(target_cmsg);
744
745 int len = tswapl(target_cmsg->cmsg_len)
746 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
747
748 space += CMSG_SPACE(len);
749 if (space > msgh->msg_controllen) {
750 space -= CMSG_SPACE(len);
751 gemu_log("Host cmsg overflow\n");
752 break;
753 }
754
755 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
756 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
757 cmsg->cmsg_len = CMSG_LEN(len);
758
759 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
760 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
761 memcpy(data, target_data, len);
762 } else {
763 int *fd = (int *)data;
764 int *target_fd = (int *)target_data;
765 int i, numfds = len / sizeof(int);
766
767 for (i = 0; i < numfds; i++)
768 fd[i] = tswap32(target_fd[i]);
769 }
770
771 cmsg = CMSG_NXTHDR(msgh, cmsg);
772 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
773 }
774 unlock_user(target_cmsg, target_cmsg_addr, 0);
775 the_end:
776 msgh->msg_controllen = space;
777 return 0;
778}
779
780
781static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
782 struct msghdr *msgh)
783{
784 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
785 abi_long msg_controllen;
786 abi_ulong target_cmsg_addr;
787 struct target_cmsghdr *target_cmsg;
788 socklen_t space = 0;
789
790 msg_controllen = tswapl(target_msgh->msg_controllen);
791 if (msg_controllen < sizeof (struct target_cmsghdr))
792 goto the_end;
793 target_cmsg_addr = tswapl(target_msgh->msg_control);
794 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
795 if (!target_cmsg)
796 return -TARGET_EFAULT;
797
798 while (cmsg && target_cmsg) {
799 void *data = CMSG_DATA(cmsg);
800 void *target_data = TARGET_CMSG_DATA(target_cmsg);
801
802 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
803
804 space += TARGET_CMSG_SPACE(len);
805 if (space > msg_controllen) {
806 space -= TARGET_CMSG_SPACE(len);
807 gemu_log("Target cmsg overflow\n");
808 break;
809 }
810
811 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
812 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
813 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
814
815 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
816 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
817 memcpy(target_data, data, len);
818 } else {
819 int *fd = (int *)data;
820 int *target_fd = (int *)target_data;
821 int i, numfds = len / sizeof(int);
822
823 for (i = 0; i < numfds; i++)
824 target_fd[i] = tswap32(fd[i]);
825 }
826
827 cmsg = CMSG_NXTHDR(msgh, cmsg);
828 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
829 }
830 unlock_user(target_cmsg, target_cmsg_addr, space);
831 the_end:
832 target_msgh->msg_controllen = tswapl(space);
833 return 0;
834}
835
836
837static abi_long do_setsockopt(int sockfd, int level, int optname,
838 abi_ulong optval_addr, socklen_t optlen)
839{
840 abi_long ret;
841 int val;
842
843 switch(level) {
844 case SOL_TCP:
845
846 if (optlen < sizeof(uint32_t))
847 return -TARGET_EINVAL;
848
849 if (get_user_u32(val, optval_addr))
850 return -TARGET_EFAULT;
851 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
852 break;
853 case SOL_IP:
854 switch(optname) {
855 case IP_TOS:
856 case IP_TTL:
857 case IP_HDRINCL:
858 case IP_ROUTER_ALERT:
859 case IP_RECVOPTS:
860 case IP_RETOPTS:
861 case IP_PKTINFO:
862 case IP_MTU_DISCOVER:
863 case IP_RECVERR:
864 case IP_RECVTOS:
865#ifdef IP_FREEBIND
866 case IP_FREEBIND:
867#endif
868 case IP_MULTICAST_TTL:
869 case IP_MULTICAST_LOOP:
870 val = 0;
871 if (optlen >= sizeof(uint32_t)) {
872 if (get_user_u32(val, optval_addr))
873 return -TARGET_EFAULT;
874 } else if (optlen >= 1) {
875 if (get_user_u8(val, optval_addr))
876 return -TARGET_EFAULT;
877 }
878 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
879 break;
880 default:
881 goto unimplemented;
882 }
883 break;
884 case TARGET_SOL_SOCKET:
885 switch (optname) {
886
887 case TARGET_SO_DEBUG:
888 optname = SO_DEBUG;
889 break;
890 case TARGET_SO_REUSEADDR:
891 optname = SO_REUSEADDR;
892 break;
893 case TARGET_SO_TYPE:
894 optname = SO_TYPE;
895 break;
896 case TARGET_SO_ERROR:
897 optname = SO_ERROR;
898 break;
899 case TARGET_SO_DONTROUTE:
900 optname = SO_DONTROUTE;
901 break;
902 case TARGET_SO_BROADCAST:
903 optname = SO_BROADCAST;
904 break;
905 case TARGET_SO_SNDBUF:
906 optname = SO_SNDBUF;
907 break;
908 case TARGET_SO_RCVBUF:
909 optname = SO_RCVBUF;
910 break;
911 case TARGET_SO_KEEPALIVE:
912 optname = SO_KEEPALIVE;
913 break;
914 case TARGET_SO_OOBINLINE:
915 optname = SO_OOBINLINE;
916 break;
917 case TARGET_SO_NO_CHECK:
918 optname = SO_NO_CHECK;
919 break;
920 case TARGET_SO_PRIORITY:
921 optname = SO_PRIORITY;
922 break;
923#ifdef SO_BSDCOMPAT
924 case TARGET_SO_BSDCOMPAT:
925 optname = SO_BSDCOMPAT;
926 break;
927#endif
928 case TARGET_SO_PASSCRED:
929 optname = SO_PASSCRED;
930 break;
931 case TARGET_SO_TIMESTAMP:
932 optname = SO_TIMESTAMP;
933 break;
934 case TARGET_SO_RCVLOWAT:
935 optname = SO_RCVLOWAT;
936 break;
937 case TARGET_SO_RCVTIMEO:
938 optname = SO_RCVTIMEO;
939 break;
940 case TARGET_SO_SNDTIMEO:
941 optname = SO_SNDTIMEO;
942 break;
943 break;
944 default:
945 goto unimplemented;
946 }
947 if (optlen < sizeof(uint32_t))
948 return -TARGET_EINVAL;
949
950 if (get_user_u32(val, optval_addr))
951 return -TARGET_EFAULT;
952 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
953 break;
954 default:
955 unimplemented:
956 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
957 ret = -TARGET_ENOPROTOOPT;
958 }
959 return ret;
960}
961
962
963static abi_long do_getsockopt(int sockfd, int level, int optname,
964 abi_ulong optval_addr, abi_ulong optlen)
965{
966 abi_long ret;
967 int len, val;
968 socklen_t lv;
969
970 switch(level) {
971 case TARGET_SOL_SOCKET:
972 level = SOL_SOCKET;
973 switch (optname) {
974 case TARGET_SO_LINGER:
975 case TARGET_SO_RCVTIMEO:
976 case TARGET_SO_SNDTIMEO:
977 case TARGET_SO_PEERCRED:
978 case TARGET_SO_PEERNAME:
979
980 goto unimplemented;
981 default:
982 goto int_case;
983 }
984 break;
985 case SOL_TCP:
986
987 int_case:
988 if (get_user_u32(len, optlen))
989 return -TARGET_EFAULT;
990 if (len < 0)
991 return -TARGET_EINVAL;
992 lv = sizeof(int);
993 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
994 if (ret < 0)
995 return ret;
996 val = tswap32(val);
997 if (len > lv)
998 len = lv;
999 if (len == 4) {
1000 if (put_user_u32(val, optval_addr))
1001 return -TARGET_EFAULT;
1002 } else {
1003 if (put_user_u8(val, optval_addr))
1004 return -TARGET_EFAULT;
1005 }
1006 if (put_user_u32(len, optlen))
1007 return -TARGET_EFAULT;
1008 break;
1009 case SOL_IP:
1010 switch(optname) {
1011 case IP_TOS:
1012 case IP_TTL:
1013 case IP_HDRINCL:
1014 case IP_ROUTER_ALERT:
1015 case IP_RECVOPTS:
1016 case IP_RETOPTS:
1017 case IP_PKTINFO:
1018 case IP_MTU_DISCOVER:
1019 case IP_RECVERR:
1020 case IP_RECVTOS:
1021#ifdef IP_FREEBIND
1022 case IP_FREEBIND:
1023#endif
1024 case IP_MULTICAST_TTL:
1025 case IP_MULTICAST_LOOP:
1026 if (get_user_u32(len, optlen))
1027 return -TARGET_EFAULT;
1028 if (len < 0)
1029 return -TARGET_EINVAL;
1030 lv = sizeof(int);
1031 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1032 if (ret < 0)
1033 return ret;
1034 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
1035 len = 1;
1036 if (put_user_u32(len, optlen)
1037 || put_user_u8(val, optval_addr))
1038 return -TARGET_EFAULT;
1039 } else {
1040 if (len > sizeof(int))
1041 len = sizeof(int);
1042 if (put_user_u32(len, optlen)
1043 || put_user_u32(val, optval_addr))
1044 return -TARGET_EFAULT;
1045 }
1046 break;
1047 default:
1048 ret = -TARGET_ENOPROTOOPT;
1049 break;
1050 }
1051 break;
1052 default:
1053 unimplemented:
1054 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1055 level, optname);
1056 ret = -TARGET_EOPNOTSUPP;
1057 break;
1058 }
1059 return ret;
1060}
1061
1062
1063
1064
1065
1066static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1067 int count, int copy)
1068{
1069 struct target_iovec *target_vec;
1070 abi_ulong base;
1071 int i;
1072
1073 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1074 if (!target_vec)
1075 return -TARGET_EFAULT;
1076 for(i = 0;i < count; i++) {
1077 base = tswapl(target_vec[i].iov_base);
1078 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1079 if (vec[i].iov_len != 0) {
1080 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
1081
1082
1083 } else {
1084
1085 vec[i].iov_base = NULL;
1086 }
1087 }
1088 unlock_user (target_vec, target_addr, 0);
1089 return 0;
1090}
1091
1092static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1093 int count, int copy)
1094{
1095 struct target_iovec *target_vec;
1096 abi_ulong base;
1097 int i;
1098
1099 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1100 if (!target_vec)
1101 return -TARGET_EFAULT;
1102 for(i = 0;i < count; i++) {
1103 if (target_vec[i].iov_base) {
1104 base = tswapl(target_vec[i].iov_base);
1105 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1106 }
1107 }
1108 unlock_user (target_vec, target_addr, 0);
1109
1110 return 0;
1111}
1112
1113
1114static abi_long do_socket(int domain, int type, int protocol)
1115{
1116#if defined(TARGET_MIPS)
1117 switch(type) {
1118 case TARGET_SOCK_DGRAM:
1119 type = SOCK_DGRAM;
1120 break;
1121 case TARGET_SOCK_STREAM:
1122 type = SOCK_STREAM;
1123 break;
1124 case TARGET_SOCK_RAW:
1125 type = SOCK_RAW;
1126 break;
1127 case TARGET_SOCK_RDM:
1128 type = SOCK_RDM;
1129 break;
1130 case TARGET_SOCK_SEQPACKET:
1131 type = SOCK_SEQPACKET;
1132 break;
1133 case TARGET_SOCK_PACKET:
1134 type = SOCK_PACKET;
1135 break;
1136 }
1137#endif
1138 if (domain == PF_NETLINK)
1139 return -EAFNOSUPPORT;
1140 return get_errno(socket(domain, type, protocol));
1141}
1142
1143
1144#define MAX_SOCK_ADDR 128
1145
1146
1147static abi_long do_bind(int sockfd, abi_ulong target_addr,
1148 socklen_t addrlen)
1149{
1150 void *addr;
1151
1152 if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
1153 return -TARGET_EINVAL;
1154
1155 addr = alloca(addrlen);
1156
1157 target_to_host_sockaddr(addr, target_addr, addrlen);
1158 return get_errno(bind(sockfd, addr, addrlen));
1159}
1160
1161
1162static abi_long do_connect(int sockfd, abi_ulong target_addr,
1163 socklen_t addrlen)
1164{
1165 void *addr;
1166
1167 if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
1168 return -TARGET_EINVAL;
1169
1170 addr = alloca(addrlen);
1171
1172 target_to_host_sockaddr(addr, target_addr, addrlen);
1173 return get_errno(connect(sockfd, addr, addrlen));
1174}
1175
1176
1177static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1178 int flags, int send)
1179{
1180 abi_long ret, len;
1181 struct target_msghdr *msgp;
1182 struct msghdr msg;
1183 int count;
1184 struct iovec *vec;
1185 abi_ulong target_vec;
1186
1187
1188 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1189 msgp,
1190 target_msg,
1191 send ? 1 : 0))
1192 return -TARGET_EFAULT;
1193 if (msgp->msg_name) {
1194 msg.msg_namelen = tswap32(msgp->msg_namelen);
1195 msg.msg_name = alloca(msg.msg_namelen);
1196 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1197 msg.msg_namelen);
1198 } else {
1199 msg.msg_name = NULL;
1200 msg.msg_namelen = 0;
1201 }
1202 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1203 msg.msg_control = alloca(msg.msg_controllen);
1204 msg.msg_flags = tswap32(msgp->msg_flags);
1205
1206 count = tswapl(msgp->msg_iovlen);
1207 vec = alloca(count * sizeof(struct iovec));
1208 target_vec = tswapl(msgp->msg_iov);
1209 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1210 msg.msg_iovlen = count;
1211 msg.msg_iov = vec;
1212
1213 if (send) {
1214 ret = target_to_host_cmsg(&msg, msgp);
1215 if (ret == 0)
1216 ret = get_errno(sendmsg(fd, &msg, flags));
1217 } else {
1218 ret = get_errno(recvmsg(fd, &msg, flags));
1219 if (!is_error(ret)) {
1220 len = ret;
1221 ret = host_to_target_cmsg(msgp, &msg);
1222 if (!is_error(ret))
1223 ret = len;
1224 }
1225 }
1226 unlock_iovec(vec, target_vec, count, !send);
1227 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1228 return ret;
1229}
1230
1231
1232static abi_long do_accept(int fd, abi_ulong target_addr,
1233 abi_ulong target_addrlen_addr)
1234{
1235 socklen_t addrlen;
1236 void *addr;
1237 abi_long ret;
1238
1239 if (get_user_u32(addrlen, target_addrlen_addr))
1240 return -TARGET_EFAULT;
1241
1242 if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
1243 return -TARGET_EINVAL;
1244
1245 addr = alloca(addrlen);
1246
1247 ret = get_errno(accept(fd, addr, &addrlen));
1248 if (!is_error(ret)) {
1249 host_to_target_sockaddr(target_addr, addr, addrlen);
1250 if (put_user_u32(addrlen, target_addrlen_addr))
1251 ret = -TARGET_EFAULT;
1252 }
1253 return ret;
1254}
1255
1256
1257static abi_long do_getpeername(int fd, abi_ulong target_addr,
1258 abi_ulong target_addrlen_addr)
1259{
1260 socklen_t addrlen;
1261 void *addr;
1262 abi_long ret;
1263
1264 if (get_user_u32(addrlen, target_addrlen_addr))
1265 return -TARGET_EFAULT;
1266
1267 if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
1268 return -TARGET_EINVAL;
1269
1270 addr = alloca(addrlen);
1271
1272 ret = get_errno(getpeername(fd, addr, &addrlen));
1273 if (!is_error(ret)) {
1274 host_to_target_sockaddr(target_addr, addr, addrlen);
1275 if (put_user_u32(addrlen, target_addrlen_addr))
1276 ret = -TARGET_EFAULT;
1277 }
1278 return ret;
1279}
1280
1281
1282static abi_long do_getsockname(int fd, abi_ulong target_addr,
1283 abi_ulong target_addrlen_addr)
1284{
1285 socklen_t addrlen;
1286 void *addr;
1287 abi_long ret;
1288
1289 if (target_addr == 0)
1290 return get_errno(accept(fd, NULL, NULL));
1291
1292 if (get_user_u32(addrlen, target_addrlen_addr))
1293 return -TARGET_EFAULT;
1294
1295 if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
1296 return -TARGET_EINVAL;
1297
1298 addr = alloca(addrlen);
1299
1300 ret = get_errno(getsockname(fd, addr, &addrlen));
1301 if (!is_error(ret)) {
1302 host_to_target_sockaddr(target_addr, addr, addrlen);
1303 if (put_user_u32(addrlen, target_addrlen_addr))
1304 ret = -TARGET_EFAULT;
1305 }
1306 return ret;
1307}
1308
1309
1310static abi_long do_socketpair(int domain, int type, int protocol,
1311 abi_ulong target_tab_addr)
1312{
1313 int tab[2];
1314 abi_long ret;
1315
1316 ret = get_errno(socketpair(domain, type, protocol, tab));
1317 if (!is_error(ret)) {
1318 if (put_user_s32(tab[0], target_tab_addr)
1319 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1320 ret = -TARGET_EFAULT;
1321 }
1322 return ret;
1323}
1324
1325
1326static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1327 abi_ulong target_addr, socklen_t addrlen)
1328{
1329 void *addr;
1330 void *host_msg;
1331 abi_long ret;
1332
1333 if (addrlen < 0 || addrlen > MAX_SOCK_ADDR)
1334 return -TARGET_EINVAL;
1335
1336 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1337 if (!host_msg)
1338 return -TARGET_EFAULT;
1339 if (target_addr) {
1340 addr = alloca(addrlen);
1341 target_to_host_sockaddr(addr, target_addr, addrlen);
1342 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1343 } else {
1344 ret = get_errno(send(fd, host_msg, len, flags));
1345 }
1346 unlock_user(host_msg, msg, 0);
1347 return ret;
1348}
1349
1350
1351static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1352 abi_ulong target_addr,
1353 abi_ulong target_addrlen)
1354{
1355 socklen_t addrlen;
1356 void *addr;
1357 void *host_msg;
1358 abi_long ret;
1359
1360 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1361 if (!host_msg)
1362 return -TARGET_EFAULT;
1363 if (target_addr) {
1364 if (get_user_u32(addrlen, target_addrlen)) {
1365 ret = -TARGET_EFAULT;
1366 goto fail;
1367 }
1368 if (addrlen < 0 || addrlen > MAX_SOCK_ADDR) {
1369 ret = -TARGET_EINVAL;
1370 goto fail;
1371 }
1372 addr = alloca(addrlen);
1373 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1374 } else {
1375 addr = NULL;
1376 ret = get_errno(recv(fd, host_msg, len, flags));
1377 }
1378 if (!is_error(ret)) {
1379 if (target_addr) {
1380 host_to_target_sockaddr(target_addr, addr, addrlen);
1381 if (put_user_u32(addrlen, target_addrlen)) {
1382 ret = -TARGET_EFAULT;
1383 goto fail;
1384 }
1385 }
1386 unlock_user(host_msg, msg, len);
1387 } else {
1388fail:
1389 unlock_user(host_msg, msg, 0);
1390 }
1391 return ret;
1392}
1393
1394#ifdef TARGET_NR_socketcall
1395
1396static abi_long do_socketcall(int num, abi_ulong vptr)
1397{
1398 abi_long ret;
1399 const int n = sizeof(abi_ulong);
1400
1401 switch(num) {
1402 case SOCKOP_socket:
1403 {
1404 int domain, type, protocol;
1405
1406 if (get_user_s32(domain, vptr)
1407 || get_user_s32(type, vptr + n)
1408 || get_user_s32(protocol, vptr + 2 * n))
1409 return -TARGET_EFAULT;
1410
1411 ret = do_socket(domain, type, protocol);
1412 }
1413 break;
1414 case SOCKOP_bind:
1415 {
1416 int sockfd;
1417 abi_ulong target_addr;
1418 socklen_t addrlen;
1419
1420 if (get_user_s32(sockfd, vptr)
1421 || get_user_ual(target_addr, vptr + n)
1422 || get_user_u32(addrlen, vptr + 2 * n))
1423 return -TARGET_EFAULT;
1424
1425 ret = do_bind(sockfd, target_addr, addrlen);
1426 }
1427 break;
1428 case SOCKOP_connect:
1429 {
1430 int sockfd;
1431 abi_ulong target_addr;
1432 socklen_t addrlen;
1433
1434 if (get_user_s32(sockfd, vptr)
1435 || get_user_ual(target_addr, vptr + n)
1436 || get_user_u32(addrlen, vptr + 2 * n))
1437 return -TARGET_EFAULT;
1438
1439 ret = do_connect(sockfd, target_addr, addrlen);
1440 }
1441 break;
1442 case SOCKOP_listen:
1443 {
1444 int sockfd, backlog;
1445
1446 if (get_user_s32(sockfd, vptr)
1447 || get_user_s32(backlog, vptr + n))
1448 return -TARGET_EFAULT;
1449
1450 ret = get_errno(listen(sockfd, backlog));
1451 }
1452 break;
1453 case SOCKOP_accept:
1454 {
1455 int sockfd;
1456 abi_ulong target_addr, target_addrlen;
1457
1458 if (get_user_s32(sockfd, vptr)
1459 || get_user_ual(target_addr, vptr + n)
1460 || get_user_u32(target_addrlen, vptr + 2 * n))
1461 return -TARGET_EFAULT;
1462
1463 ret = do_accept(sockfd, target_addr, target_addrlen);
1464 }
1465 break;
1466 case SOCKOP_getsockname:
1467 {
1468 int sockfd;
1469 abi_ulong target_addr, target_addrlen;
1470
1471 if (get_user_s32(sockfd, vptr)
1472 || get_user_ual(target_addr, vptr + n)
1473 || get_user_u32(target_addrlen, vptr + 2 * n))
1474 return -TARGET_EFAULT;
1475
1476 ret = do_getsockname(sockfd, target_addr, target_addrlen);
1477 }
1478 break;
1479 case SOCKOP_getpeername:
1480 {
1481 int sockfd;
1482 abi_ulong target_addr, target_addrlen;
1483
1484 if (get_user_s32(sockfd, vptr)
1485 || get_user_ual(target_addr, vptr + n)
1486 || get_user_u32(target_addrlen, vptr + 2 * n))
1487 return -TARGET_EFAULT;
1488
1489 ret = do_getpeername(sockfd, target_addr, target_addrlen);
1490 }
1491 break;
1492 case SOCKOP_socketpair:
1493 {
1494 int domain, type, protocol;
1495 abi_ulong tab;
1496
1497 if (get_user_s32(domain, vptr)
1498 || get_user_s32(type, vptr + n)
1499 || get_user_s32(protocol, vptr + 2 * n)
1500 || get_user_ual(tab, vptr + 3 * n))
1501 return -TARGET_EFAULT;
1502
1503 ret = do_socketpair(domain, type, protocol, tab);
1504 }
1505 break;
1506 case SOCKOP_send:
1507 {
1508 int sockfd;
1509 abi_ulong msg;
1510 size_t len;
1511 int flags;
1512
1513 if (get_user_s32(sockfd, vptr)
1514 || get_user_ual(msg, vptr + n)
1515 || get_user_ual(len, vptr + 2 * n)
1516 || get_user_s32(flags, vptr + 3 * n))
1517 return -TARGET_EFAULT;
1518
1519 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1520 }
1521 break;
1522 case SOCKOP_recv:
1523 {
1524 int sockfd;
1525 abi_ulong msg;
1526 size_t len;
1527 int flags;
1528
1529 if (get_user_s32(sockfd, vptr)
1530 || get_user_ual(msg, vptr + n)
1531 || get_user_ual(len, vptr + 2 * n)
1532 || get_user_s32(flags, vptr + 3 * n))
1533 return -TARGET_EFAULT;
1534
1535 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1536 }
1537 break;
1538 case SOCKOP_sendto:
1539 {
1540 int sockfd;
1541 abi_ulong msg;
1542 size_t len;
1543 int flags;
1544 abi_ulong addr;
1545 socklen_t addrlen;
1546
1547 if (get_user_s32(sockfd, vptr)
1548 || get_user_ual(msg, vptr + n)
1549 || get_user_ual(len, vptr + 2 * n)
1550 || get_user_s32(flags, vptr + 3 * n)
1551 || get_user_ual(addr, vptr + 4 * n)
1552 || get_user_u32(addrlen, vptr + 5 * n))
1553 return -TARGET_EFAULT;
1554
1555 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1556 }
1557 break;
1558 case SOCKOP_recvfrom:
1559 {
1560 int sockfd;
1561 abi_ulong msg;
1562 size_t len;
1563 int flags;
1564 abi_ulong addr;
1565 socklen_t addrlen;
1566
1567 if (get_user_s32(sockfd, vptr)
1568 || get_user_ual(msg, vptr + n)
1569 || get_user_ual(len, vptr + 2 * n)
1570 || get_user_s32(flags, vptr + 3 * n)
1571 || get_user_ual(addr, vptr + 4 * n)
1572 || get_user_u32(addrlen, vptr + 5 * n))
1573 return -TARGET_EFAULT;
1574
1575 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1576 }
1577 break;
1578 case SOCKOP_shutdown:
1579 {
1580 int sockfd, how;
1581
1582 if (get_user_s32(sockfd, vptr)
1583 || get_user_s32(how, vptr + n))
1584 return -TARGET_EFAULT;
1585
1586 ret = get_errno(shutdown(sockfd, how));
1587 }
1588 break;
1589 case SOCKOP_sendmsg:
1590 case SOCKOP_recvmsg:
1591 {
1592 int fd;
1593 abi_ulong target_msg;
1594 int flags;
1595
1596 if (get_user_s32(fd, vptr)
1597 || get_user_ual(target_msg, vptr + n)
1598 || get_user_s32(flags, vptr + 2 * n))
1599 return -TARGET_EFAULT;
1600
1601 ret = do_sendrecvmsg(fd, target_msg, flags,
1602 (num == SOCKOP_sendmsg));
1603 }
1604 break;
1605 case SOCKOP_setsockopt:
1606 {
1607 int sockfd;
1608 int level;
1609 int optname;
1610 abi_ulong optval;
1611 socklen_t optlen;
1612
1613 if (get_user_s32(sockfd, vptr)
1614 || get_user_s32(level, vptr + n)
1615 || get_user_s32(optname, vptr + 2 * n)
1616 || get_user_ual(optval, vptr + 3 * n)
1617 || get_user_u32(optlen, vptr + 4 * n))
1618 return -TARGET_EFAULT;
1619
1620 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1621 }
1622 break;
1623 case SOCKOP_getsockopt:
1624 {
1625 int sockfd;
1626 int level;
1627 int optname;
1628 abi_ulong optval;
1629 socklen_t optlen;
1630
1631 if (get_user_s32(sockfd, vptr)
1632 || get_user_s32(level, vptr + n)
1633 || get_user_s32(optname, vptr + 2 * n)
1634 || get_user_ual(optval, vptr + 3 * n)
1635 || get_user_u32(optlen, vptr + 4 * n))
1636 return -TARGET_EFAULT;
1637
1638 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
1639 }
1640 break;
1641 default:
1642 gemu_log("Unsupported socketcall: %d\n", num);
1643 ret = -TARGET_ENOSYS;
1644 break;
1645 }
1646 return ret;
1647}
1648#endif
1649
1650#ifdef TARGET_NR_ipc
1651#define N_SHM_REGIONS 32
1652
1653static struct shm_region {
1654 abi_ulong start;
1655 abi_ulong size;
1656} shm_regions[N_SHM_REGIONS];
1657#endif
1658
1659struct target_ipc_perm
1660{
1661 abi_long __key;
1662 abi_ulong uid;
1663 abi_ulong gid;
1664 abi_ulong cuid;
1665 abi_ulong cgid;
1666 unsigned short int mode;
1667 unsigned short int __pad1;
1668 unsigned short int __seq;
1669 unsigned short int __pad2;
1670 abi_ulong __unused1;
1671 abi_ulong __unused2;
1672};
1673
1674struct target_semid_ds
1675{
1676 struct target_ipc_perm sem_perm;
1677 abi_ulong sem_otime;
1678 abi_ulong __unused1;
1679 abi_ulong sem_ctime;
1680 abi_ulong __unused2;
1681 abi_ulong sem_nsems;
1682 abi_ulong __unused3;
1683 abi_ulong __unused4;
1684};
1685
1686static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
1687 abi_ulong target_addr)
1688{
1689 struct target_ipc_perm *target_ip;
1690 struct target_semid_ds *target_sd;
1691
1692 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1693 return -TARGET_EFAULT;
1694 target_ip=&(target_sd->sem_perm);
1695 host_ip->__key = tswapl(target_ip->__key);
1696 host_ip->uid = tswapl(target_ip->uid);
1697 host_ip->gid = tswapl(target_ip->gid);
1698 host_ip->cuid = tswapl(target_ip->cuid);
1699 host_ip->cgid = tswapl(target_ip->cgid);
1700 host_ip->mode = tswapl(target_ip->mode);
1701 unlock_user_struct(target_sd, target_addr, 0);
1702 return 0;
1703}
1704
1705static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
1706 struct ipc_perm *host_ip)
1707{
1708 struct target_ipc_perm *target_ip;
1709 struct target_semid_ds *target_sd;
1710
1711 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1712 return -TARGET_EFAULT;
1713 target_ip = &(target_sd->sem_perm);
1714 target_ip->__key = tswapl(host_ip->__key);
1715 target_ip->uid = tswapl(host_ip->uid);
1716 target_ip->gid = tswapl(host_ip->gid);
1717 target_ip->cuid = tswapl(host_ip->cuid);
1718 target_ip->cgid = tswapl(host_ip->cgid);
1719 target_ip->mode = tswapl(host_ip->mode);
1720 unlock_user_struct(target_sd, target_addr, 1);
1721 return 0;
1722}
1723
1724static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
1725 abi_ulong target_addr)
1726{
1727 struct target_semid_ds *target_sd;
1728
1729 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1730 return -TARGET_EFAULT;
1731 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1732 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1733 host_sd->sem_otime = tswapl(target_sd->sem_otime);
1734 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1735 unlock_user_struct(target_sd, target_addr, 0);
1736 return 0;
1737}
1738
1739static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
1740 struct semid_ds *host_sd)
1741{
1742 struct target_semid_ds *target_sd;
1743
1744 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1745 return -TARGET_EFAULT;
1746 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1747 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1748 target_sd->sem_otime = tswapl(host_sd->sem_otime);
1749 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1750 unlock_user_struct(target_sd, target_addr, 1);
1751 return 0;
1752}
1753
1754union semun {
1755 int val;
1756 struct semid_ds *buf;
1757 unsigned short *array;
1758};
1759
1760union target_semun {
1761 int val;
1762 abi_long buf;
1763 unsigned short int *array;
1764};
1765
1766static inline abi_long target_to_host_semun(int cmd,
1767 union semun *host_su,
1768 abi_ulong target_addr,
1769 struct semid_ds *ds)
1770{
1771 union target_semun *target_su;
1772
1773 switch( cmd ) {
1774 case IPC_STAT:
1775 case IPC_SET:
1776 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1777 return -TARGET_EFAULT;
1778 target_to_host_semid_ds(ds,target_su->buf);
1779 host_su->buf = ds;
1780 unlock_user_struct(target_su, target_addr, 0);
1781 break;
1782 case GETVAL:
1783 case SETVAL:
1784 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1785 return -TARGET_EFAULT;
1786 host_su->val = tswapl(target_su->val);
1787 unlock_user_struct(target_su, target_addr, 0);
1788 break;
1789 case GETALL:
1790 case SETALL:
1791 if (!lock_user_struct(VERIFY_READ, target_su, target_addr, 1))
1792 return -TARGET_EFAULT;
1793 *host_su->array = tswap16(*target_su->array);
1794 unlock_user_struct(target_su, target_addr, 0);
1795 break;
1796 default:
1797 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1798 }
1799 return 0;
1800}
1801
1802static inline abi_long host_to_target_semun(int cmd,
1803 abi_ulong target_addr,
1804 union semun *host_su,
1805 struct semid_ds *ds)
1806{
1807 union target_semun *target_su;
1808
1809 switch( cmd ) {
1810 case IPC_STAT:
1811 case IPC_SET:
1812 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1813 return -TARGET_EFAULT;
1814 host_to_target_semid_ds(target_su->buf,ds);
1815 unlock_user_struct(target_su, target_addr, 1);
1816 break;
1817 case GETVAL:
1818 case SETVAL:
1819 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1820 return -TARGET_EFAULT;
1821 target_su->val = tswapl(host_su->val);
1822 unlock_user_struct(target_su, target_addr, 1);
1823 break;
1824 case GETALL:
1825 case SETALL:
1826 if (lock_user_struct(VERIFY_WRITE, target_su, target_addr, 0))
1827 return -TARGET_EFAULT;
1828 *target_su->array = tswap16(*host_su->array);
1829 unlock_user_struct(target_su, target_addr, 1);
1830 break;
1831 default:
1832 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1833 }
1834 return 0;
1835}
1836
1837static inline abi_long do_semctl(int first, int second, int third,
1838 abi_long ptr)
1839{
1840 union semun arg;
1841 struct semid_ds dsarg;
1842 int cmd = third&0xff;
1843 abi_long ret = 0;
1844
1845 switch( cmd ) {
1846 case GETVAL:
1847 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1848 ret = get_errno(semctl(first, second, cmd, arg));
1849 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1850 break;
1851 case SETVAL:
1852 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1853 ret = get_errno(semctl(first, second, cmd, arg));
1854 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1855 break;
1856 case GETALL:
1857 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1858 ret = get_errno(semctl(first, second, cmd, arg));
1859 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1860 break;
1861 case SETALL:
1862 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1863 ret = get_errno(semctl(first, second, cmd, arg));
1864 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1865 break;
1866 case IPC_STAT:
1867 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1868 ret = get_errno(semctl(first, second, cmd, arg));
1869 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1870 break;
1871 case IPC_SET:
1872 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1873 ret = get_errno(semctl(first, second, cmd, arg));
1874 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1875 break;
1876 default:
1877 ret = get_errno(semctl(first, second, cmd, arg));
1878 }
1879
1880 return ret;
1881}
1882
1883struct target_msqid_ds
1884{
1885 struct target_ipc_perm msg_perm;
1886 abi_ulong msg_stime;
1887#if TARGET_ABI_BITS == 32
1888 abi_ulong __unused1;
1889#endif
1890 abi_ulong msg_rtime;
1891#if TARGET_ABI_BITS == 32
1892 abi_ulong __unused2;
1893#endif
1894 abi_ulong msg_ctime;
1895#if TARGET_ABI_BITS == 32
1896 abi_ulong __unused3;
1897#endif
1898 abi_ulong __msg_cbytes;
1899 abi_ulong msg_qnum;
1900 abi_ulong msg_qbytes;
1901 abi_ulong msg_lspid;
1902 abi_ulong msg_lrpid;
1903 abi_ulong __unused4;
1904 abi_ulong __unused5;
1905};
1906
1907static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
1908 abi_ulong target_addr)
1909{
1910 struct target_msqid_ds *target_md;
1911
1912 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
1913 return -TARGET_EFAULT;
1914 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
1915 return -TARGET_EFAULT;
1916 host_md->msg_stime = tswapl(target_md->msg_stime);
1917 host_md->msg_rtime = tswapl(target_md->msg_rtime);
1918 host_md->msg_ctime = tswapl(target_md->msg_ctime);
1919 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1920 host_md->msg_qnum = tswapl(target_md->msg_qnum);
1921 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1922 host_md->msg_lspid = tswapl(target_md->msg_lspid);
1923 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1924 unlock_user_struct(target_md, target_addr, 0);
1925 return 0;
1926}
1927
1928static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
1929 struct msqid_ds *host_md)
1930{
1931 struct target_msqid_ds *target_md;
1932
1933 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
1934 return -TARGET_EFAULT;
1935 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
1936 return -TARGET_EFAULT;
1937 target_md->msg_stime = tswapl(host_md->msg_stime);
1938 target_md->msg_rtime = tswapl(host_md->msg_rtime);
1939 target_md->msg_ctime = tswapl(host_md->msg_ctime);
1940 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1941 target_md->msg_qnum = tswapl(host_md->msg_qnum);
1942 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1943 target_md->msg_lspid = tswapl(host_md->msg_lspid);
1944 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1945 unlock_user_struct(target_md, target_addr, 1);
1946 return 0;
1947}
1948
1949struct target_msginfo {
1950 int msgpool;
1951 int msgmap;
1952 int msgmax;
1953 int msgmnb;
1954 int msgmni;
1955 int msgssz;
1956 int msgtql;
1957 unsigned short int msgseg;
1958};
1959
1960static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
1961 struct msginfo *host_msginfo)
1962{
1963 struct target_msginfo *target_msginfo;
1964 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
1965 return -TARGET_EFAULT;
1966 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
1967 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
1968 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
1969 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
1970 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
1971 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
1972 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
1973 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
1974 unlock_user_struct(target_msginfo, target_addr, 1);
1975 return 0;
1976}
1977
1978static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1979{
1980 struct msqid_ds dsarg;
1981 struct msginfo msginfo;
1982 abi_long ret = -TARGET_EINVAL;
1983
1984 cmd &= 0xff;
1985
1986 switch (cmd) {
1987 case IPC_STAT:
1988 case IPC_SET:
1989 case MSG_STAT:
1990 if (target_to_host_msqid_ds(&dsarg,ptr))
1991 return -TARGET_EFAULT;
1992 ret = get_errno(msgctl(msgid, cmd, &dsarg));
1993 if (host_to_target_msqid_ds(ptr,&dsarg))
1994 return -TARGET_EFAULT;
1995 break;
1996 case IPC_RMID:
1997 ret = get_errno(msgctl(msgid, cmd, NULL));
1998 break;
1999 case IPC_INFO:
2000 case MSG_INFO:
2001 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2002 if (host_to_target_msginfo(ptr, &msginfo))
2003 return -TARGET_EFAULT;
2004 break;
2005 }
2006
2007 return ret;
2008}
2009
2010struct target_msgbuf {
2011 abi_long mtype;
2012 char mtext[1];
2013};
2014
2015static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2016 unsigned int msgsz, int msgflg)
2017{
2018 struct target_msgbuf *target_mb;
2019 struct msgbuf *host_mb;
2020 abi_long ret = 0;
2021
2022 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2023 return -TARGET_EFAULT;
2024 host_mb = malloc(msgsz+sizeof(long));
2025 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2026 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
2027 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2028 free(host_mb);
2029 unlock_user_struct(target_mb, msgp, 0);
2030
2031 return ret;
2032}
2033
2034static inline abi_long do_msgrcv(int msqid, abi_long msgp,
2035 unsigned int msgsz, abi_long msgtyp,
2036 int msgflg)
2037{
2038 struct target_msgbuf *target_mb;
2039 char *target_mtext;
2040 struct msgbuf *host_mb;
2041 abi_long ret = 0;
2042
2043 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2044 return -TARGET_EFAULT;
2045
2046 host_mb = malloc(msgsz+sizeof(long));
2047 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2048
2049 if (ret > 0) {
2050 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2051 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2052 if (!target_mtext) {
2053 ret = -TARGET_EFAULT;
2054 goto end;
2055 }
2056 memcpy(target_mb->mtext, host_mb->mtext, ret);
2057 unlock_user(target_mtext, target_mtext_addr, ret);
2058 }
2059
2060 target_mb->mtype = tswapl(host_mb->mtype);
2061 free(host_mb);
2062
2063end:
2064 if (target_mb)
2065 unlock_user_struct(target_mb, msgp, 1);
2066 return ret;
2067}
2068
2069#ifdef TARGET_NR_ipc
2070
2071
2072static abi_long do_ipc(unsigned int call, int first,
2073 int second, int third,
2074 abi_long ptr, abi_long fifth)
2075{
2076 int version;
2077 abi_long ret = 0;
2078 struct shmid_ds shm_info;
2079 int i;
2080
2081 version = call >> 16;
2082 call &= 0xffff;
2083
2084 switch (call) {
2085 case IPCOP_semop:
2086 ret = get_errno(semop(first,(struct sembuf *)g2h(ptr), second));
2087 break;
2088
2089 case IPCOP_semget:
2090 ret = get_errno(semget(first, second, third));
2091 break;
2092
2093 case IPCOP_semctl:
2094 ret = do_semctl(first, second, third, ptr);
2095 break;
2096
2097 case IPCOP_semtimedop:
2098 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2099 ret = -TARGET_ENOSYS;
2100 break;
2101
2102 case IPCOP_msgget:
2103 ret = get_errno(msgget(first, second));
2104 break;
2105
2106 case IPCOP_msgsnd:
2107 ret = do_msgsnd(first, ptr, second, third);
2108 break;
2109
2110 case IPCOP_msgctl:
2111 ret = do_msgctl(first, second, ptr);
2112 break;
2113
2114 case IPCOP_msgrcv:
2115 switch (version) {
2116 case 0:
2117 {
2118 struct target_ipc_kludge {
2119 abi_long msgp;
2120 abi_long msgtyp;
2121 } *tmp;
2122
2123 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2124 ret = -TARGET_EFAULT;
2125 break;
2126 }
2127
2128 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
2129
2130 unlock_user_struct(tmp, ptr, 0);
2131 break;
2132 }
2133 default:
2134 ret = do_msgrcv(first, ptr, second, fifth, third);
2135 }
2136 break;
2137
2138 case IPCOP_shmat:
2139 {
2140 abi_ulong raddr;
2141 void *host_addr;
2142
2143 host_addr = shmat(first, (void *)g2h(ptr), second);
2144 if (host_addr == (void *)-1) {
2145 ret = get_errno((long)host_addr);
2146 break;
2147 }
2148 raddr = h2g((unsigned long)host_addr);
2149
2150
2151 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
2152 if (is_error(ret)) {
2153
2154 shmdt(host_addr);
2155 break;
2156 }
2157 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2158 PAGE_VALID | PAGE_READ |
2159 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
2160 for (i = 0; i < N_SHM_REGIONS; ++i) {
2161 if (shm_regions[i].start == 0) {
2162 shm_regions[i].start = raddr;
2163 shm_regions[i].size = shm_info.shm_segsz;
2164 break;
2165 }
2166 }
2167 if (put_user_ual(raddr, third))
2168 return -TARGET_EFAULT;
2169 ret = 0;
2170 }
2171 break;
2172 case IPCOP_shmdt:
2173 for (i = 0; i < N_SHM_REGIONS; ++i) {
2174 if (shm_regions[i].start == ptr) {
2175 shm_regions[i].start = 0;
2176 page_set_flags(ptr, shm_regions[i].size, 0);
2177 break;
2178 }
2179 }
2180 ret = get_errno(shmdt((void *)g2h(ptr)));
2181 break;
2182
2183 case IPCOP_shmget:
2184
2185 ret = get_errno(shmget(first, second, third));
2186 break;
2187
2188
2189 case IPCOP_shmctl:
2190 switch(second) {
2191 case IPC_RMID:
2192 case SHM_LOCK:
2193 case SHM_UNLOCK:
2194 ret = get_errno(shmctl(first, second, NULL));
2195 break;
2196 default:
2197 goto unimplemented;
2198 }
2199 break;
2200 default:
2201 unimplemented:
2202 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2203 ret = -TARGET_ENOSYS;
2204 break;
2205 }
2206 return ret;
2207}
2208#endif
2209
2210
2211#define IFNAMSIZ 16
2212
2213#define STRUCT(name, list...) STRUCT_ ## name,
2214#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2215enum {
2216#include "syscall_types.h"
2217};
2218#undef STRUCT
2219#undef STRUCT_SPECIAL
2220
2221#define STRUCT(name, list...) static const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
2222#define STRUCT_SPECIAL(name)
2223#include "syscall_types.h"
2224#undef STRUCT
2225#undef STRUCT_SPECIAL
2226
2227typedef struct IOCTLEntry {
2228 unsigned int target_cmd;
2229 unsigned int host_cmd;
2230 const char *name;
2231 int access;
2232 const argtype arg_type[5];
2233} IOCTLEntry;
2234
2235#define IOC_R 0x0001
2236#define IOC_W 0x0002
2237#define IOC_RW (IOC_R | IOC_W)
2238
2239#define MAX_STRUCT_SIZE 4096
2240
2241static IOCTLEntry ioctl_entries[] = {
2242#define IOCTL(cmd, access, types...) \
2243 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
2244#include "ioctls.h"
2245 { 0, 0, },
2246};
2247
2248
2249
2250static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
2251{
2252 const IOCTLEntry *ie;
2253 const argtype *arg_type;
2254 abi_long ret;
2255 uint8_t buf_temp[MAX_STRUCT_SIZE];
2256 int target_size;
2257 void *argptr;
2258
2259 ie = ioctl_entries;
2260 for(;;) {
2261 if (ie->target_cmd == 0) {
2262 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
2263 return -TARGET_ENOSYS;
2264 }
2265 if (ie->target_cmd == cmd)
2266 break;
2267 ie++;
2268 }
2269 arg_type = ie->arg_type;
2270#if defined(DEBUG)
2271 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
2272#endif
2273 switch(arg_type[0]) {
2274 case TYPE_NULL:
2275
2276 ret = get_errno(ioctl(fd, ie->host_cmd));
2277 break;
2278 case TYPE_PTRVOID:
2279 case TYPE_INT:
2280
2281 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2282 break;
2283 case TYPE_PTR:
2284 arg_type++;
2285 target_size = thunk_type_size(arg_type, 0);
2286 switch(ie->access) {
2287 case IOC_R:
2288 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2289 if (!is_error(ret)) {
2290 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2291 if (!argptr)
2292 return -TARGET_EFAULT;
2293 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2294 unlock_user(argptr, arg, target_size);
2295 }
2296 break;
2297 case IOC_W:
2298 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2299 if (!argptr)
2300 return -TARGET_EFAULT;
2301 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2302 unlock_user(argptr, arg, 0);
2303 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2304 break;
2305 default:
2306 case IOC_RW:
2307 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2308 if (!argptr)
2309 return -TARGET_EFAULT;
2310 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2311 unlock_user(argptr, arg, 0);
2312 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2313 if (!is_error(ret)) {
2314 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2315 if (!argptr)
2316 return -TARGET_EFAULT;
2317 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2318 unlock_user(argptr, arg, target_size);
2319 }
2320 break;
2321 }
2322 break;
2323 default:
2324 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2325 (long)cmd, arg_type[0]);
2326 ret = -TARGET_ENOSYS;
2327 break;
2328 }
2329 return ret;
2330}
2331
2332static const bitmask_transtbl iflag_tbl[] = {
2333 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2334 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2335 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2336 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2337 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2338 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2339 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2340 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2341 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2342 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2343 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2344 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2345 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2346 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2347 { 0, 0, 0, 0 }
2348};
2349
2350static const bitmask_transtbl oflag_tbl[] = {
2351 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2352 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2353 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2354 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2355 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2356 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2357 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2358 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2359 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2360 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2361 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2362 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2363 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2364 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2365 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
2366 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
2367 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
2368 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
2369 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
2370 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
2371 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
2372 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
2373 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
2374 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
2375 { 0, 0, 0, 0 }
2376};
2377
2378static const bitmask_transtbl cflag_tbl[] = {
2379 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
2380 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
2381 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
2382 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
2383 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
2384 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
2385 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
2386 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
2387 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
2388 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
2389 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
2390 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
2391 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
2392 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
2393 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
2394 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
2395 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
2396 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
2397 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
2398 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
2399 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
2400 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
2401 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
2402 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
2403 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
2404 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
2405 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
2406 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
2407 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
2408 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
2409 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
2410 { 0, 0, 0, 0 }
2411};
2412
2413static const bitmask_transtbl lflag_tbl[] = {
2414 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
2415 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
2416 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
2417 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
2418 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
2419 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
2420 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
2421 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
2422 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
2423 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
2424 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
2425 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
2426 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
2427 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
2428 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
2429 { 0, 0, 0, 0 }
2430};
2431
2432static void target_to_host_termios (void *dst, const void *src)
2433{
2434 struct host_termios *host = dst;
2435 const struct target_termios *target = src;
2436
2437 host->c_iflag =
2438 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
2439 host->c_oflag =
2440 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
2441 host->c_cflag =
2442 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
2443 host->c_lflag =
2444 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
2445 host->c_line = target->c_line;
2446
2447 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
2448 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
2449 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
2450 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
2451 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
2452 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
2453 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
2454 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
2455 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
2456 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
2457 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
2458 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
2459 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
2460 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
2461 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
2462 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
2463 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
2464}
2465
2466static void host_to_target_termios (void *dst, const void *src)
2467{
2468 struct target_termios *target = dst;
2469 const struct host_termios *host = src;
2470
2471 target->c_iflag =
2472 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
2473 target->c_oflag =
2474 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
2475 target->c_cflag =
2476 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
2477 target->c_lflag =
2478 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
2479 target->c_line = host->c_line;
2480
2481 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
2482 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
2483 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
2484 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
2485 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
2486 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
2487 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
2488 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
2489 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
2490 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
2491 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
2492 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
2493 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
2494 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
2495 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
2496 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
2497 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
2498}
2499
2500static const StructEntry struct_termios_def = {
2501 .convert = { host_to_target_termios, target_to_host_termios },
2502 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
2503 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
2504};
2505
2506static bitmask_transtbl mmap_flags_tbl[] = {
2507 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
2508 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
2509 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
2510 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
2511 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
2512 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
2513 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
2514 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
2515 { 0, 0, 0, 0 }
2516};
2517
2518static bitmask_transtbl fcntl_flags_tbl[] = {
2519 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
2520 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
2521 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
2522 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
2523 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
2524 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
2525 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
2526 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
2527 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
2528 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
2529 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
2530 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
2531 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
2532#if defined(O_DIRECT)
2533 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
2534#endif
2535 { 0, 0, 0, 0 }
2536};
2537
2538#if defined(TARGET_I386)
2539
2540
2541static uint8_t *ldt_table;
2542
2543static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
2544{
2545 int size;
2546 void *p;
2547
2548 if (!ldt_table)
2549 return 0;
2550 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2551 if (size > bytecount)
2552 size = bytecount;
2553 p = lock_user(VERIFY_WRITE, ptr, size, 0);
2554 if (!p)
2555 return -TARGET_EFAULT;
2556
2557 memcpy(p, ldt_table, size);
2558 unlock_user(p, ptr, size);
2559 return size;
2560}
2561
2562
2563static abi_long write_ldt(CPUX86State *env,
2564 abi_ulong ptr, unsigned long bytecount, int oldmode)
2565{
2566 struct target_modify_ldt_ldt_s ldt_info;
2567 struct target_modify_ldt_ldt_s *target_ldt_info;
2568 int seg_32bit, contents, read_exec_only, limit_in_pages;
2569 int seg_not_present, useable, lm;
2570 uint32_t *lp, entry_1, entry_2;
2571
2572 if (bytecount != sizeof(ldt_info))
2573 return -TARGET_EINVAL;
2574 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
2575 return -TARGET_EFAULT;
2576 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2577 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2578 ldt_info.limit = tswap32(target_ldt_info->limit);
2579 ldt_info.flags = tswap32(target_ldt_info->flags);
2580 unlock_user_struct(target_ldt_info, ptr, 0);
2581
2582 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2583 return -TARGET_EINVAL;
2584 seg_32bit = ldt_info.flags & 1;
2585 contents = (ldt_info.flags >> 1) & 3;
2586 read_exec_only = (ldt_info.flags >> 3) & 1;
2587 limit_in_pages = (ldt_info.flags >> 4) & 1;
2588 seg_not_present = (ldt_info.flags >> 5) & 1;
2589 useable = (ldt_info.flags >> 6) & 1;
2590#ifdef TARGET_ABI32
2591 lm = 0;
2592#else
2593 lm = (ldt_info.flags >> 7) & 1;
2594#endif
2595 if (contents == 3) {
2596 if (oldmode)
2597 return -TARGET_EINVAL;
2598 if (seg_not_present == 0)
2599 return -TARGET_EINVAL;
2600 }
2601
2602 if (!ldt_table) {
2603 env->ldt.base = target_mmap(0,
2604 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
2605 PROT_READ|PROT_WRITE,
2606 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
2607 if (env->ldt.base == -1)
2608 return -TARGET_ENOMEM;
2609 memset(g2h(env->ldt.base), 0,
2610 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2611 env->ldt.limit = 0xffff;
2612 ldt_table = g2h(env->ldt.base);
2613 }
2614
2615
2616
2617 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2618 if (oldmode ||
2619 (contents == 0 &&
2620 read_exec_only == 1 &&
2621 seg_32bit == 0 &&
2622 limit_in_pages == 0 &&
2623 seg_not_present == 1 &&
2624 useable == 0 )) {
2625 entry_1 = 0;
2626 entry_2 = 0;
2627 goto install;
2628 }
2629 }
2630
2631 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2632 (ldt_info.limit & 0x0ffff);
2633 entry_2 = (ldt_info.base_addr & 0xff000000) |
2634 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2635 (ldt_info.limit & 0xf0000) |
2636 ((read_exec_only ^ 1) << 9) |
2637 (contents << 10) |
2638 ((seg_not_present ^ 1) << 15) |
2639 (seg_32bit << 22) |
2640 (limit_in_pages << 23) |
2641 (lm << 21) |
2642 0x7000;
2643 if (!oldmode)
2644 entry_2 |= (useable << 20);
2645
2646
2647install:
2648 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2649 lp[0] = tswap32(entry_1);
2650 lp[1] = tswap32(entry_2);
2651 return 0;
2652}
2653
2654
2655static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
2656 unsigned long bytecount)
2657{
2658 abi_long ret;
2659
2660 switch (func) {
2661 case 0:
2662 ret = read_ldt(ptr, bytecount);
2663 break;
2664 case 1:
2665 ret = write_ldt(env, ptr, bytecount, 1);
2666 break;
2667 case 0x11:
2668 ret = write_ldt(env, ptr, bytecount, 0);
2669 break;
2670 default:
2671 ret = -TARGET_ENOSYS;
2672 break;
2673 }
2674 return ret;
2675}
2676
2677#if defined(TARGET_I386) && defined(TARGET_ABI32)
2678static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
2679{
2680 uint64_t *gdt_table = g2h(env->gdt.base);
2681 struct target_modify_ldt_ldt_s ldt_info;
2682 struct target_modify_ldt_ldt_s *target_ldt_info;
2683 int seg_32bit, contents, read_exec_only, limit_in_pages;
2684 int seg_not_present, useable, lm;
2685 uint32_t *lp, entry_1, entry_2;
2686 int i;
2687
2688 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
2689 if (!target_ldt_info)
2690 return -TARGET_EFAULT;
2691 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2692 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2693 ldt_info.limit = tswap32(target_ldt_info->limit);
2694 ldt_info.flags = tswap32(target_ldt_info->flags);
2695 if (ldt_info.entry_number == -1) {
2696 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
2697 if (gdt_table[i] == 0) {
2698 ldt_info.entry_number = i;
2699 target_ldt_info->entry_number = tswap32(i);
2700 break;
2701 }
2702 }
2703 }
2704 unlock_user_struct(target_ldt_info, ptr, 1);
2705
2706 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
2707 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
2708 return -TARGET_EINVAL;
2709 seg_32bit = ldt_info.flags & 1;
2710 contents = (ldt_info.flags >> 1) & 3;
2711 read_exec_only = (ldt_info.flags >> 3) & 1;
2712 limit_in_pages = (ldt_info.flags >> 4) & 1;
2713 seg_not_present = (ldt_info.flags >> 5) & 1;
2714 useable = (ldt_info.flags >> 6) & 1;
2715#ifdef TARGET_ABI32
2716 lm = 0;
2717#else
2718 lm = (ldt_info.flags >> 7) & 1;
2719#endif
2720
2721 if (contents == 3) {
2722 if (seg_not_present == 0)
2723 return -TARGET_EINVAL;
2724 }
2725
2726
2727
2728 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2729 if ((contents == 0 &&
2730 read_exec_only == 1 &&
2731 seg_32bit == 0 &&
2732 limit_in_pages == 0 &&
2733 seg_not_present == 1 &&
2734 useable == 0 )) {
2735 entry_1 = 0;
2736 entry_2 = 0;
2737 goto install;
2738 }
2739 }
2740
2741 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2742 (ldt_info.limit & 0x0ffff);
2743 entry_2 = (ldt_info.base_addr & 0xff000000) |
2744 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2745 (ldt_info.limit & 0xf0000) |
2746 ((read_exec_only ^ 1) << 9) |
2747 (contents << 10) |
2748 ((seg_not_present ^ 1) << 15) |
2749 (seg_32bit << 22) |
2750 (limit_in_pages << 23) |
2751 (useable << 20) |
2752 (lm << 21) |
2753 0x7000;
2754
2755
2756install:
2757 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
2758 lp[0] = tswap32(entry_1);
2759 lp[1] = tswap32(entry_2);
2760 return 0;
2761}
2762
2763static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
2764{
2765 struct target_modify_ldt_ldt_s *target_ldt_info;
2766 uint64_t *gdt_table = g2h(env->gdt.base);
2767 uint32_t base_addr, limit, flags;
2768 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
2769 int seg_not_present, useable, lm;
2770 uint32_t *lp, entry_1, entry_2;
2771
2772 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
2773 if (!target_ldt_info)
2774 return -TARGET_EFAULT;
2775 idx = tswap32(target_ldt_info->entry_number);
2776 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
2777 idx > TARGET_GDT_ENTRY_TLS_MAX) {
2778 unlock_user_struct(target_ldt_info, ptr, 1);
2779 return -TARGET_EINVAL;
2780 }
2781 lp = (uint32_t *)(gdt_table + idx);
2782 entry_1 = tswap32(lp[0]);
2783 entry_2 = tswap32(lp[1]);
2784
2785 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
2786 contents = (entry_2 >> 10) & 3;
2787 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
2788 seg_32bit = (entry_2 >> 22) & 1;
2789 limit_in_pages = (entry_2 >> 23) & 1;
2790 useable = (entry_2 >> 20) & 1;
2791#ifdef TARGET_ABI32
2792 lm = 0;
2793#else
2794 lm = (entry_2 >> 21) & 1;
2795#endif
2796 flags = (seg_32bit << 0) | (contents << 1) |
2797 (read_exec_only << 3) | (limit_in_pages << 4) |
2798 (seg_not_present << 5) | (useable << 6) | (lm << 7);
2799 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
2800 base_addr = (entry_1 >> 16) |
2801 (entry_2 & 0xff000000) |
2802 ((entry_2 & 0xff) << 16);
2803 target_ldt_info->base_addr = tswapl(base_addr);
2804 target_ldt_info->limit = tswap32(limit);
2805 target_ldt_info->flags = tswap32(flags);
2806 unlock_user_struct(target_ldt_info, ptr, 1);
2807 return 0;
2808}
2809#endif
2810
2811#ifndef TARGET_ABI32
2812static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
2813{
2814 abi_long ret;
2815 abi_ulong val;
2816 int idx;
2817
2818 switch(code) {
2819 case TARGET_ARCH_SET_GS:
2820 case TARGET_ARCH_SET_FS:
2821 if (code == TARGET_ARCH_SET_GS)
2822 idx = R_GS;
2823 else
2824 idx = R_FS;
2825 cpu_x86_load_seg(env, idx, 0);
2826 env->segs[idx].base = addr;
2827 break;
2828 case TARGET_ARCH_GET_GS:
2829 case TARGET_ARCH_GET_FS:
2830 if (code == TARGET_ARCH_GET_GS)
2831 idx = R_GS;
2832 else
2833 idx = R_FS;
2834 val = env->segs[idx].base;
2835 if (put_user(val, addr, abi_ulong))
2836 return -TARGET_EFAULT;
2837 break;
2838 default:
2839 ret = -TARGET_EINVAL;
2840 break;
2841 }
2842 return 0;
2843}
2844#endif
2845
2846#endif
2847
2848#if defined(USE_NPTL)
2849
2850#define NEW_STACK_SIZE PTHREAD_STACK_MIN
2851
2852static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
2853typedef struct {
2854 CPUState *env;
2855 pthread_mutex_t mutex;
2856 pthread_cond_t cond;
2857 pthread_t thread;
2858 uint32_t tid;
2859 abi_ulong child_tidptr;
2860 abi_ulong parent_tidptr;
2861 sigset_t sigmask;
2862} new_thread_info;
2863
2864static void *clone_func(void *arg)
2865{
2866 new_thread_info *info = arg;
2867 CPUState *env;
2868
2869 env = info->env;
2870 thread_env = env;
2871 info->tid = gettid();
2872 if (info->child_tidptr)
2873 put_user_u32(info->tid, info->child_tidptr);
2874 if (info->parent_tidptr)
2875 put_user_u32(info->tid, info->parent_tidptr);
2876
2877 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
2878
2879 pthread_mutex_lock(&info->mutex);
2880 pthread_cond_broadcast(&info->cond);
2881 pthread_mutex_unlock(&info->mutex);
2882
2883 pthread_mutex_lock(&clone_lock);
2884 pthread_mutex_unlock(&clone_lock);
2885 cpu_loop(env);
2886
2887 return NULL;
2888}
2889#else
2890
2891
2892#define NEW_STACK_SIZE 8192
2893
2894static int clone_func(void *arg)
2895{
2896 CPUState *env = arg;
2897 cpu_loop(env);
2898
2899 return 0;
2900}
2901#endif
2902
2903
2904
2905static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
2906 abi_ulong parent_tidptr, target_ulong newtls,
2907 abi_ulong child_tidptr)
2908{
2909 int ret;
2910 TaskState *ts;
2911 uint8_t *new_stack;
2912 CPUState *new_env;
2913#if defined(USE_NPTL)
2914 unsigned int nptl_flags;
2915 sigset_t sigmask;
2916#endif
2917
2918
2919 if (flags & CLONE_VFORK)
2920 flags &= ~(CLONE_VFORK | CLONE_VM);
2921
2922 if (flags & CLONE_VM) {
2923#if defined(USE_NPTL)
2924 new_thread_info info;
2925 pthread_attr_t attr;
2926#endif
2927 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
2928 init_task_state(ts);
2929 new_stack = ts->stack;
2930
2931 new_env = cpu_copy(env);
2932
2933 cpu_clone_regs(new_env, newsp);
2934 new_env->opaque = ts;
2935#if defined(USE_NPTL)
2936 nptl_flags = flags;
2937 flags &= ~CLONE_NPTL_FLAGS2;
2938
2939
2940 if (nptl_flags & CLONE_SETTLS)
2941 cpu_set_tls (new_env, newtls);
2942
2943
2944 pthread_mutex_lock(&clone_lock);
2945
2946 memset(&info, 0, sizeof(info));
2947 pthread_mutex_init(&info.mutex, NULL);
2948 pthread_mutex_lock(&info.mutex);
2949 pthread_cond_init(&info.cond, NULL);
2950 info.env = new_env;
2951 if (nptl_flags & CLONE_CHILD_SETTID)
2952 info.child_tidptr = child_tidptr;
2953 if (nptl_flags & CLONE_PARENT_SETTID)
2954 info.parent_tidptr = parent_tidptr;
2955
2956 ret = pthread_attr_init(&attr);
2957 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
2958
2959
2960 sigfillset(&sigmask);
2961 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
2962
2963 ret = pthread_create(&info.thread, &attr, clone_func, &info);
2964
2965 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
2966 pthread_attr_destroy(&attr);
2967 if (ret == 0) {
2968
2969 pthread_cond_wait(&info.cond, &info.mutex);
2970 ret = info.tid;
2971 if (flags & CLONE_PARENT_SETTID)
2972 put_user_u32(ret, parent_tidptr);
2973 } else {
2974 ret = -1;
2975 }
2976 pthread_mutex_unlock(&info.mutex);
2977 pthread_cond_destroy(&info.cond);
2978 pthread_mutex_destroy(&info.mutex);
2979 pthread_mutex_unlock(&clone_lock);
2980#else
2981 if (flags & CLONE_NPTL_FLAGS2)
2982 return -EINVAL;
2983
2984#ifdef __ia64__
2985 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2986#else
2987 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2988#endif
2989#endif
2990 } else {
2991
2992 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
2993 return -EINVAL;
2994 fork_start();
2995 ret = fork();
2996 if (ret == 0) {
2997
2998 cpu_clone_regs(env, newsp);
2999 fork_end(1);
3000#if defined(USE_NPTL)
3001
3002
3003
3004
3005
3006
3007 if (flags & CLONE_CHILD_SETTID)
3008 put_user_u32(gettid(), child_tidptr);
3009 if (flags & CLONE_PARENT_SETTID)
3010 put_user_u32(gettid(), parent_tidptr);
3011 ts = (TaskState *)env->opaque;
3012 if (flags & CLONE_SETTLS)
3013 cpu_set_tls (env, newtls);
3014
3015#endif
3016 } else {
3017 fork_end(0);
3018 }
3019 }
3020 return ret;
3021}
3022
3023static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
3024{
3025 struct flock fl;
3026 struct target_flock *target_fl;
3027 struct flock64 fl64;
3028 struct target_flock64 *target_fl64;
3029 abi_long ret;
3030
3031 switch(cmd) {
3032 case TARGET_F_GETLK:
3033 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3034 return -TARGET_EFAULT;
3035 fl.l_type = tswap16(target_fl->l_type);
3036 fl.l_whence = tswap16(target_fl->l_whence);
3037 fl.l_start = tswapl(target_fl->l_start);
3038 fl.l_len = tswapl(target_fl->l_len);
3039 fl.l_pid = tswapl(target_fl->l_pid);
3040 unlock_user_struct(target_fl, arg, 0);
3041 ret = get_errno(fcntl(fd, cmd, &fl));
3042 if (ret == 0) {
3043 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3044 return -TARGET_EFAULT;
3045 target_fl->l_type = tswap16(fl.l_type);
3046 target_fl->l_whence = tswap16(fl.l_whence);
3047 target_fl->l_start = tswapl(fl.l_start);
3048 target_fl->l_len = tswapl(fl.l_len);
3049 target_fl->l_pid = tswapl(fl.l_pid);
3050 unlock_user_struct(target_fl, arg, 1);
3051 }
3052 break;
3053
3054 case TARGET_F_SETLK:
3055 case TARGET_F_SETLKW:
3056 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3057 return -TARGET_EFAULT;
3058 fl.l_type = tswap16(target_fl->l_type);
3059 fl.l_whence = tswap16(target_fl->l_whence);
3060 fl.l_start = tswapl(target_fl->l_start);
3061 fl.l_len = tswapl(target_fl->l_len);
3062 fl.l_pid = tswapl(target_fl->l_pid);
3063 unlock_user_struct(target_fl, arg, 0);
3064 ret = get_errno(fcntl(fd, cmd, &fl));
3065 break;
3066
3067 case TARGET_F_GETLK64:
3068 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3069 return -TARGET_EFAULT;
3070 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3071 fl64.l_whence = tswap16(target_fl64->l_whence);
3072 fl64.l_start = tswapl(target_fl64->l_start);
3073 fl64.l_len = tswapl(target_fl64->l_len);
3074 fl64.l_pid = tswap16(target_fl64->l_pid);
3075 unlock_user_struct(target_fl64, arg, 0);
3076 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
3077 if (ret == 0) {
3078 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3079 return -TARGET_EFAULT;
3080 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3081 target_fl64->l_whence = tswap16(fl64.l_whence);
3082 target_fl64->l_start = tswapl(fl64.l_start);
3083 target_fl64->l_len = tswapl(fl64.l_len);
3084 target_fl64->l_pid = tswapl(fl64.l_pid);
3085 unlock_user_struct(target_fl64, arg, 1);
3086 }
3087 break;
3088 case TARGET_F_SETLK64:
3089 case TARGET_F_SETLKW64:
3090 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3091 return -TARGET_EFAULT;
3092 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3093 fl64.l_whence = tswap16(target_fl64->l_whence);
3094 fl64.l_start = tswapl(target_fl64->l_start);
3095 fl64.l_len = tswapl(target_fl64->l_len);
3096 fl64.l_pid = tswap16(target_fl64->l_pid);
3097 unlock_user_struct(target_fl64, arg, 0);
3098 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
3099 break;
3100
3101 case F_GETFL:
3102 ret = get_errno(fcntl(fd, cmd, arg));
3103 if (ret >= 0) {
3104 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3105 }
3106 break;
3107
3108 case F_SETFL:
3109 ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3110 break;
3111
3112 default:
3113 ret = get_errno(fcntl(fd, cmd, arg));
3114 break;
3115 }
3116 return ret;
3117}
3118
3119#ifdef USE_UID16
3120
3121static inline int high2lowuid(int uid)
3122{
3123 if (uid > 65535)
3124 return 65534;
3125 else
3126 return uid;
3127}
3128
3129static inline int high2lowgid(int gid)
3130{
3131 if (gid > 65535)
3132 return 65534;
3133 else
3134 return gid;
3135}
3136
3137static inline int low2highuid(int uid)
3138{
3139 if ((int16_t)uid == -1)
3140 return -1;
3141 else
3142 return uid;
3143}
3144
3145static inline int low2highgid(int gid)
3146{
3147 if ((int16_t)gid == -1)
3148 return -1;
3149 else
3150 return gid;
3151}
3152
3153#endif
3154
3155void syscall_init(void)
3156{
3157 IOCTLEntry *ie;
3158 const argtype *arg_type;
3159 int size;
3160 int i;
3161
3162#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
3163#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
3164#include "syscall_types.h"
3165#undef STRUCT
3166#undef STRUCT_SPECIAL
3167
3168
3169
3170 ie = ioctl_entries;
3171 while (ie->target_cmd != 0) {
3172 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3173 TARGET_IOC_SIZEMASK) {
3174 arg_type = ie->arg_type;
3175 if (arg_type[0] != TYPE_PTR) {
3176 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
3177 ie->target_cmd);
3178 exit(1);
3179 }
3180 arg_type++;
3181 size = thunk_type_size(arg_type, 0);
3182 ie->target_cmd = (ie->target_cmd &
3183 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3184 (size << TARGET_IOC_SIZESHIFT);
3185 }
3186
3187
3188
3189 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3190 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3191
3192
3193#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3194 (defined(__x86_64__) && defined(TARGET_X86_64))
3195 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3196 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3197 ie->name, ie->target_cmd, ie->host_cmd);
3198 }
3199#endif
3200 ie++;
3201 }
3202}
3203
3204#if TARGET_ABI_BITS == 32
3205static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3206{
3207#ifdef TARGET_WORDS_BIGENDIAN
3208 return ((uint64_t)word0 << 32) | word1;
3209#else
3210 return ((uint64_t)word1 << 32) | word0;
3211#endif
3212}
3213#else
3214static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3215{
3216 return word0;
3217}
3218#endif
3219
3220#ifdef TARGET_NR_truncate64
3221static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3222 abi_long arg2,
3223 abi_long arg3,
3224 abi_long arg4)
3225{
3226#ifdef TARGET_ARM
3227 if (((CPUARMState *)cpu_env)->eabi)
3228 {
3229 arg2 = arg3;
3230 arg3 = arg4;
3231 }
3232#endif
3233 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3234}
3235#endif
3236
3237#ifdef TARGET_NR_ftruncate64
3238static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3239 abi_long arg2,
3240 abi_long arg3,
3241 abi_long arg4)
3242{
3243#ifdef TARGET_ARM
3244 if (((CPUARMState *)cpu_env)->eabi)
3245 {
3246 arg2 = arg3;
3247 arg3 = arg4;
3248 }
3249#endif
3250 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3251}
3252#endif
3253
3254static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3255 abi_ulong target_addr)
3256{
3257 struct target_timespec *target_ts;
3258
3259 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3260 return -TARGET_EFAULT;
3261 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3262 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3263 unlock_user_struct(target_ts, target_addr, 0);
3264 return 0;
3265}
3266
3267static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3268 struct timespec *host_ts)
3269{
3270 struct target_timespec *target_ts;
3271
3272 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3273 return -TARGET_EFAULT;
3274 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3275 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3276 unlock_user_struct(target_ts, target_addr, 1);
3277 return 0;
3278}
3279
3280#ifdef TARGET_NR_stat64
3281static inline abi_long host_to_target_stat64(void *cpu_env,
3282 abi_ulong target_addr,
3283 struct stat *host_st)
3284{
3285#ifdef TARGET_ARM
3286 if (((CPUARMState *)cpu_env)->eabi) {
3287 struct target_eabi_stat64 *target_st;
3288
3289 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3290 return -TARGET_EFAULT;
3291 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3292 __put_user(host_st->st_dev, &target_st->st_dev);
3293 __put_user(host_st->st_ino, &target_st->st_ino);
3294#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3295 __put_user(host_st->st_ino, &target_st->__st_ino);
3296#endif
3297 __put_user(host_st->st_mode, &target_st->st_mode);
3298 __put_user(host_st->st_nlink, &target_st->st_nlink);
3299 __put_user(host_st->st_uid, &target_st->st_uid);
3300 __put_user(host_st->st_gid, &target_st->st_gid);
3301 __put_user(host_st->st_rdev, &target_st->st_rdev);
3302 __put_user(host_st->st_size, &target_st->st_size);
3303 __put_user(host_st->st_blksize, &target_st->st_blksize);
3304 __put_user(host_st->st_blocks, &target_st->st_blocks);
3305 __put_user(host_st->st_atime, &target_st->target_st_atime);
3306 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3307 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3308 unlock_user_struct(target_st, target_addr, 1);
3309 } else
3310#endif
3311 {
3312 struct target_stat64 *target_st;
3313
3314 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3315 return -TARGET_EFAULT;
3316 memset(target_st, 0, sizeof(struct target_stat64));
3317 __put_user(host_st->st_dev, &target_st->st_dev);
3318 __put_user(host_st->st_ino, &target_st->st_ino);
3319#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3320 __put_user(host_st->st_ino, &target_st->__st_ino);
3321#endif
3322 __put_user(host_st->st_mode, &target_st->st_mode);
3323 __put_user(host_st->st_nlink, &target_st->st_nlink);
3324 __put_user(host_st->st_uid, &target_st->st_uid);
3325 __put_user(host_st->st_gid, &target_st->st_gid);
3326 __put_user(host_st->st_rdev, &target_st->st_rdev);
3327
3328 __put_user(host_st->st_size, &target_st->st_size);
3329 __put_user(host_st->st_blksize, &target_st->st_blksize);
3330 __put_user(host_st->st_blocks, &target_st->st_blocks);
3331 __put_user(host_st->st_atime, &target_st->target_st_atime);
3332 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3333 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3334 unlock_user_struct(target_st, target_addr, 1);
3335 }
3336
3337 return 0;
3338}
3339#endif
3340
3341#if defined(USE_NPTL)
3342
3343
3344
3345
3346
3347static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
3348 target_ulong uaddr2, int val3)
3349{
3350 struct timespec ts, *pts;
3351
3352
3353
3354 switch (op) {
3355 case FUTEX_WAIT:
3356 if (timeout) {
3357 pts = &ts;
3358 target_to_host_timespec(pts, timeout);
3359 } else {
3360 pts = NULL;
3361 }
3362 return get_errno(sys_futex(g2h(uaddr), FUTEX_WAIT, tswap32(val),
3363 pts, NULL, 0));
3364 case FUTEX_WAKE:
3365 return get_errno(sys_futex(g2h(uaddr), FUTEX_WAKE, val, NULL, NULL, 0));
3366 case FUTEX_FD:
3367 return get_errno(sys_futex(g2h(uaddr), FUTEX_FD, val, NULL, NULL, 0));
3368 case FUTEX_REQUEUE:
3369 return get_errno(sys_futex(g2h(uaddr), FUTEX_REQUEUE, val,
3370 NULL, g2h(uaddr2), 0));
3371 case FUTEX_CMP_REQUEUE:
3372 return get_errno(sys_futex(g2h(uaddr), FUTEX_CMP_REQUEUE, val,
3373 NULL, g2h(uaddr2), tswap32(val3)));
3374 default:
3375 return -TARGET_ENOSYS;
3376 }
3377}
3378#endif
3379
3380int get_osversion(void)
3381{
3382 static int osversion;
3383 struct new_utsname buf;
3384 const char *s;
3385 int i, n, tmp;
3386 if (osversion)
3387 return osversion;
3388 if (qemu_uname_release && *qemu_uname_release) {
3389 s = qemu_uname_release;
3390 } else {
3391 if (sys_uname(&buf))
3392 return 0;
3393 s = buf.release;
3394 }
3395 tmp = 0;
3396 for (i = 0; i < 3; i++) {
3397 n = 0;
3398 while (*s >= '0' && *s <= '9') {
3399 n *= 10;
3400 n += *s - '0';
3401 s++;
3402 }
3403 tmp = (tmp << 8) + n;
3404 if (*s == '.')
3405 s++;
3406 }
3407 osversion = tmp;
3408 return osversion;
3409}
3410
3411
3412
3413
3414abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
3415 abi_long arg2, abi_long arg3, abi_long arg4,
3416 abi_long arg5, abi_long arg6)
3417{
3418 abi_long ret;
3419 struct stat st;
3420 struct statfs stfs;
3421 void *p;
3422
3423#ifdef DEBUG
3424 gemu_log("syscall %d", num);
3425#endif
3426 if(do_strace)
3427 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
3428
3429 switch(num) {
3430 case TARGET_NR_exit:
3431#ifdef HAVE_GPROF
3432 _mcleanup();
3433#endif
3434 gdb_exit(cpu_env, arg1);
3435
3436 sys_exit(arg1);
3437 ret = 0;
3438 break;
3439 case TARGET_NR_read:
3440 if (arg3 == 0)
3441 ret = 0;
3442 else {
3443 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
3444 goto efault;
3445 ret = get_errno(read(arg1, p, arg3));
3446 unlock_user(p, arg2, ret);
3447 }
3448 break;
3449 case TARGET_NR_write:
3450 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
3451 goto efault;
3452 ret = get_errno(write(arg1, p, arg3));
3453 unlock_user(p, arg2, 0);
3454 break;
3455 case TARGET_NR_open:
3456 if (!(p = lock_user_string(arg1)))
3457 goto efault;
3458 ret = get_errno(open(path(p),
3459 target_to_host_bitmask(arg2, fcntl_flags_tbl),
3460 arg3));
3461 unlock_user(p, arg1, 0);
3462 break;
3463#if defined(TARGET_NR_openat) && defined(__NR_openat)
3464 case TARGET_NR_openat:
3465 if (!(p = lock_user_string(arg2)))
3466 goto efault;
3467 ret = get_errno(sys_openat(arg1,
3468 path(p),
3469 target_to_host_bitmask(arg3, fcntl_flags_tbl),
3470 arg4));
3471 unlock_user(p, arg2, 0);
3472 break;
3473#endif
3474 case TARGET_NR_close:
3475 ret = get_errno(close(arg1));
3476 break;
3477 case TARGET_NR_brk:
3478 ret = do_brk(arg1);
3479 break;
3480 case TARGET_NR_fork:
3481 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
3482 break;
3483#ifdef TARGET_NR_waitpid
3484 case TARGET_NR_waitpid:
3485 {
3486 int status;
3487 ret = get_errno(waitpid(arg1, &status, arg3));
3488 if (!is_error(ret) && arg2
3489 && put_user_s32(status, arg2))
3490 goto efault;
3491 }
3492 break;
3493#endif
3494#ifdef TARGET_NR_waitid
3495 case TARGET_NR_waitid:
3496 {
3497 siginfo_t info;
3498 info.si_pid = 0;
3499 ret = get_errno(waitid(arg1, arg2, &info, arg4));
3500 if (!is_error(ret) && arg3 && info.si_pid != 0) {
3501 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
3502 goto efault;
3503 host_to_target_siginfo(p, &info);
3504 unlock_user(p, arg3, sizeof(target_siginfo_t));
3505 }
3506 }
3507 break;
3508#endif
3509#ifdef TARGET_NR_creat
3510 case TARGET_NR_creat:
3511 if (!(p = lock_user_string(arg1)))
3512 goto efault;
3513 ret = get_errno(creat(p, arg2));
3514 unlock_user(p, arg1, 0);
3515 break;
3516#endif
3517 case TARGET_NR_link:
3518 {
3519 void * p2;
3520 p = lock_user_string(arg1);
3521 p2 = lock_user_string(arg2);
3522 if (!p || !p2)
3523 ret = -TARGET_EFAULT;
3524 else
3525 ret = get_errno(link(p, p2));
3526 unlock_user(p2, arg2, 0);
3527 unlock_user(p, arg1, 0);
3528 }
3529 break;
3530#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
3531 case TARGET_NR_linkat:
3532 {
3533 void * p2 = NULL;
3534 if (!arg2 || !arg4)
3535 goto efault;
3536 p = lock_user_string(arg2);
3537 p2 = lock_user_string(arg4);
3538 if (!p || !p2)
3539 ret = -TARGET_EFAULT;
3540 else
3541 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
3542 unlock_user(p, arg2, 0);
3543 unlock_user(p2, arg4, 0);
3544 }
3545 break;
3546#endif
3547 case TARGET_NR_unlink:
3548 if (!(p = lock_user_string(arg1)))
3549 goto efault;
3550 ret = get_errno(unlink(p));
3551 unlock_user(p, arg1, 0);
3552 break;
3553#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
3554 case TARGET_NR_unlinkat:
3555 if (!(p = lock_user_string(arg2)))
3556 goto efault;
3557 ret = get_errno(sys_unlinkat(arg1, p, arg3));
3558 unlock_user(p, arg2, 0);
3559 break;
3560#endif
3561 case TARGET_NR_execve:
3562 {
3563 char **argp, **envp;
3564 int argc, envc;
3565 abi_ulong gp;
3566 abi_ulong guest_argp;
3567 abi_ulong guest_envp;
3568 abi_ulong addr;
3569 char **q;
3570
3571 argc = 0;
3572 guest_argp = arg2;
3573 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
3574 if (get_user_ual(addr, gp))
3575 goto efault;
3576 if (!addr)
3577 break;
3578 argc++;
3579 }
3580 envc = 0;
3581 guest_envp = arg3;
3582 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
3583 if (get_user_ual(addr, gp))
3584 goto efault;
3585 if (!addr)
3586 break;
3587 envc++;
3588 }
3589
3590 argp = alloca((argc + 1) * sizeof(void *));
3591 envp = alloca((envc + 1) * sizeof(void *));
3592
3593 for (gp = guest_argp, q = argp; gp;
3594 gp += sizeof(abi_ulong), q++) {
3595 if (get_user_ual(addr, gp))
3596 goto execve_efault;
3597 if (!addr)
3598 break;
3599 if (!(*q = lock_user_string(addr)))
3600 goto execve_efault;
3601 }
3602 *q = NULL;
3603
3604 for (gp = guest_envp, q = envp; gp;
3605 gp += sizeof(abi_ulong), q++) {
3606 if (get_user_ual(addr, gp))
3607 goto execve_efault;
3608 if (!addr)
3609 break;
3610 if (!(*q = lock_user_string(addr)))
3611 goto execve_efault;
3612 }
3613 *q = NULL;
3614
3615 if (!(p = lock_user_string(arg1)))
3616 goto execve_efault;
3617 ret = get_errno(execve(p, argp, envp));
3618 unlock_user(p, arg1, 0);
3619
3620 goto execve_end;
3621
3622 execve_efault:
3623 ret = -TARGET_EFAULT;
3624
3625 execve_end:
3626 for (gp = guest_argp, q = argp; *q;
3627 gp += sizeof(abi_ulong), q++) {
3628 if (get_user_ual(addr, gp)
3629 || !addr)
3630 break;
3631 unlock_user(*q, addr, 0);
3632 }
3633 for (gp = guest_envp, q = envp; *q;
3634 gp += sizeof(abi_ulong), q++) {
3635 if (get_user_ual(addr, gp)
3636 || !addr)
3637 break;
3638 unlock_user(*q, addr, 0);
3639 }
3640 }
3641 break;
3642 case TARGET_NR_chdir:
3643 if (!(p = lock_user_string(arg1)))
3644 goto efault;
3645 ret = get_errno(chdir(p));
3646 unlock_user(p, arg1, 0);
3647 break;
3648#ifdef TARGET_NR_time
3649 case TARGET_NR_time:
3650 {
3651 time_t host_time;
3652 ret = get_errno(time(&host_time));
3653 if (!is_error(ret)
3654 && arg1
3655 && put_user_sal(host_time, arg1))
3656 goto efault;
3657 }
3658 break;
3659#endif
3660 case TARGET_NR_mknod:
3661 if (!(p = lock_user_string(arg1)))
3662 goto efault;
3663 ret = get_errno(mknod(p, arg2, arg3));
3664 unlock_user(p, arg1, 0);
3665 break;
3666#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
3667 case TARGET_NR_mknodat:
3668 if (!(p = lock_user_string(arg2)))
3669 goto efault;
3670 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
3671 unlock_user(p, arg2, 0);
3672 break;
3673#endif
3674 case TARGET_NR_chmod:
3675 if (!(p = lock_user_string(arg1)))
3676 goto efault;
3677 ret = get_errno(chmod(p, arg2));
3678 unlock_user(p, arg1, 0);
3679 break;
3680#ifdef TARGET_NR_break
3681 case TARGET_NR_break:
3682 goto unimplemented;
3683#endif
3684#ifdef TARGET_NR_oldstat
3685 case TARGET_NR_oldstat:
3686 goto unimplemented;
3687#endif
3688 case TARGET_NR_lseek:
3689 ret = get_errno(lseek(arg1, arg2, arg3));
3690 break;
3691#ifdef TARGET_NR_getxpid
3692 case TARGET_NR_getxpid:
3693#else
3694 case TARGET_NR_getpid:
3695#endif
3696 ret = get_errno(getpid());
3697 break;
3698 case TARGET_NR_mount:
3699 {
3700
3701 void *p2, *p3;
3702 p = lock_user_string(arg1);
3703 p2 = lock_user_string(arg2);
3704 p3 = lock_user_string(arg3);
3705 if (!p || !p2 || !p3)
3706 ret = -TARGET_EFAULT;
3707 else
3708
3709
3710
3711
3712 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
3713 unlock_user(p, arg1, 0);
3714 unlock_user(p2, arg2, 0);
3715 unlock_user(p3, arg3, 0);
3716 break;
3717 }
3718#ifdef TARGET_NR_umount
3719 case TARGET_NR_umount:
3720 if (!(p = lock_user_string(arg1)))
3721 goto efault;
3722 ret = get_errno(umount(p));
3723 unlock_user(p, arg1, 0);
3724 break;
3725#endif
3726#ifdef TARGET_NR_stime
3727 case TARGET_NR_stime:
3728 {
3729 time_t host_time;
3730 if (get_user_sal(host_time, arg1))
3731 goto efault;
3732 ret = get_errno(stime(&host_time));
3733 }
3734 break;
3735#endif
3736 case TARGET_NR_ptrace:
3737 goto unimplemented;
3738#ifdef TARGET_NR_alarm
3739 case TARGET_NR_alarm:
3740 ret = alarm(arg1);
3741 break;
3742#endif
3743#ifdef TARGET_NR_oldfstat
3744 case TARGET_NR_oldfstat:
3745 goto unimplemented;
3746#endif
3747#ifdef TARGET_NR_pause
3748 case TARGET_NR_pause:
3749 ret = get_errno(pause());
3750 break;
3751#endif
3752#ifdef TARGET_NR_utime
3753 case TARGET_NR_utime:
3754 {
3755 struct utimbuf tbuf, *host_tbuf;
3756 struct target_utimbuf *target_tbuf;
3757 if (arg2) {
3758 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
3759 goto efault;
3760 tbuf.actime = tswapl(target_tbuf->actime);
3761 tbuf.modtime = tswapl(target_tbuf->modtime);
3762 unlock_user_struct(target_tbuf, arg2, 0);
3763 host_tbuf = &tbuf;
3764 } else {
3765 host_tbuf = NULL;
3766 }
3767 if (!(p = lock_user_string(arg1)))
3768 goto efault;
3769 ret = get_errno(utime(p, host_tbuf));
3770 unlock_user(p, arg1, 0);
3771 }
3772 break;
3773#endif
3774 case TARGET_NR_utimes:
3775 {
3776 struct timeval *tvp, tv[2];
3777 if (arg2) {
3778 if (copy_from_user_timeval(&tv[0], arg2)
3779 || copy_from_user_timeval(&tv[1],
3780 arg2 + sizeof(struct target_timeval)))
3781 goto efault;
3782 tvp = tv;
3783 } else {
3784 tvp = NULL;
3785 }
3786 if (!(p = lock_user_string(arg1)))
3787 goto efault;
3788 ret = get_errno(utimes(p, tvp));
3789 unlock_user(p, arg1, 0);
3790 }
3791 break;
3792#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
3793 case TARGET_NR_futimesat:
3794 {
3795 struct timeval *tvp, tv[2];
3796 if (arg3) {
3797 if (copy_from_user_timeval(&tv[0], arg3)
3798 || copy_from_user_timeval(&tv[1],
3799 arg3 + sizeof(struct target_timeval)))
3800 goto efault;
3801 tvp = tv;
3802 } else {
3803 tvp = NULL;
3804 }
3805 if (!(p = lock_user_string(arg2)))
3806 goto efault;
3807 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
3808 unlock_user(p, arg2, 0);
3809 }
3810 break;
3811#endif
3812#ifdef TARGET_NR_stty
3813 case TARGET_NR_stty:
3814 goto unimplemented;
3815#endif
3816#ifdef TARGET_NR_gtty
3817 case TARGET_NR_gtty:
3818 goto unimplemented;
3819#endif
3820 case TARGET_NR_access:
3821 if (!(p = lock_user_string(arg1)))
3822 goto efault;
3823 ret = get_errno(access(p, arg2));
3824 unlock_user(p, arg1, 0);
3825 break;
3826#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
3827 case TARGET_NR_faccessat:
3828 if (!(p = lock_user_string(arg2)))
3829 goto efault;
3830 ret = get_errno(sys_faccessat(arg1, p, arg3, arg4));
3831 unlock_user(p, arg2, 0);
3832 break;
3833#endif
3834#ifdef TARGET_NR_nice
3835 case TARGET_NR_nice:
3836 ret = get_errno(nice(arg1));
3837 break;
3838#endif
3839#ifdef TARGET_NR_ftime
3840 case TARGET_NR_ftime:
3841 goto unimplemented;
3842#endif
3843 case TARGET_NR_sync:
3844 sync();
3845 ret = 0;
3846 break;
3847 case TARGET_NR_kill:
3848 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
3849 break;
3850 case TARGET_NR_rename:
3851 {
3852 void *p2;
3853 p = lock_user_string(arg1);
3854 p2 = lock_user_string(arg2);
3855 if (!p || !p2)
3856 ret = -TARGET_EFAULT;
3857 else
3858 ret = get_errno(rename(p, p2));
3859 unlock_user(p2, arg2, 0);
3860 unlock_user(p, arg1, 0);
3861 }
3862 break;
3863#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
3864 case TARGET_NR_renameat:
3865 {
3866 void *p2;
3867 p = lock_user_string(arg2);
3868 p2 = lock_user_string(arg4);
3869 if (!p || !p2)
3870 ret = -TARGET_EFAULT;
3871 else
3872 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
3873 unlock_user(p2, arg4, 0);
3874 unlock_user(p, arg2, 0);
3875 }
3876 break;
3877#endif
3878 case TARGET_NR_mkdir:
3879 if (!(p = lock_user_string(arg1)))
3880 goto efault;
3881 ret = get_errno(mkdir(p, arg2));
3882 unlock_user(p, arg1, 0);
3883 break;
3884#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
3885 case TARGET_NR_mkdirat:
3886 if (!(p = lock_user_string(arg2)))
3887 goto efault;
3888 ret = get_errno(sys_mkdirat(arg1, p, arg3));
3889 unlock_user(p, arg2, 0);
3890 break;
3891#endif
3892 case TARGET_NR_rmdir:
3893 if (!(p = lock_user_string(arg1)))
3894 goto efault;
3895 ret = get_errno(rmdir(p));
3896 unlock_user(p, arg1, 0);
3897 break;
3898 case TARGET_NR_dup:
3899 ret = get_errno(dup(arg1));
3900 break;
3901 case TARGET_NR_pipe:
3902 {
3903 int host_pipe[2];
3904 ret = get_errno(pipe(host_pipe));
3905 if (!is_error(ret)) {
3906#if defined(TARGET_MIPS)
3907 CPUMIPSState *env = (CPUMIPSState*)cpu_env;
3908 env->active_tc.gpr[3] = host_pipe[1];
3909 ret = host_pipe[0];
3910#elif defined(TARGET_SH4)
3911 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
3912 ret = host_pipe[0];
3913#else
3914 if (put_user_s32(host_pipe[0], arg1)
3915 || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0])))
3916 goto efault;
3917#endif
3918 }
3919 }
3920 break;
3921 case TARGET_NR_times:
3922 {
3923 struct target_tms *tmsp;
3924 struct tms tms;
3925 ret = get_errno(times(&tms));
3926 if (arg1) {
3927 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
3928 if (!tmsp)
3929 goto efault;
3930 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
3931 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
3932 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
3933 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
3934 }
3935 if (!is_error(ret))
3936 ret = host_to_target_clock_t(ret);
3937 }
3938 break;
3939#ifdef TARGET_NR_prof
3940 case TARGET_NR_prof:
3941 goto unimplemented;
3942#endif
3943#ifdef TARGET_NR_signal
3944 case TARGET_NR_signal:
3945 goto unimplemented;
3946#endif
3947 case TARGET_NR_acct:
3948 if (arg1 == 0) {
3949 ret = get_errno(acct(NULL));
3950 } else {
3951 if (!(p = lock_user_string(arg1)))
3952 goto efault;
3953 ret = get_errno(acct(path(p)));
3954 unlock_user(p, arg1, 0);
3955 }
3956 break;
3957#ifdef TARGET_NR_umount2
3958 case TARGET_NR_umount2:
3959 if (!(p = lock_user_string(arg1)))
3960 goto efault;
3961 ret = get_errno(umount2(p, arg2));
3962 unlock_user(p, arg1, 0);
3963 break;
3964#endif
3965#ifdef TARGET_NR_lock
3966 case TARGET_NR_lock:
3967 goto unimplemented;
3968#endif
3969 case TARGET_NR_ioctl:
3970 ret = do_ioctl(arg1, arg2, arg3);
3971 break;
3972 case TARGET_NR_fcntl:
3973 ret = do_fcntl(arg1, arg2, arg3);
3974 break;
3975#ifdef TARGET_NR_mpx
3976 case TARGET_NR_mpx:
3977 goto unimplemented;
3978#endif
3979 case TARGET_NR_setpgid:
3980 ret = get_errno(setpgid(arg1, arg2));
3981 break;
3982#ifdef TARGET_NR_ulimit
3983 case TARGET_NR_ulimit:
3984 goto unimplemented;
3985#endif
3986#ifdef TARGET_NR_oldolduname
3987 case TARGET_NR_oldolduname:
3988 goto unimplemented;
3989#endif
3990 case TARGET_NR_umask:
3991 ret = get_errno(umask(arg1));
3992 break;
3993 case TARGET_NR_chroot:
3994 if (!(p = lock_user_string(arg1)))
3995 goto efault;
3996 ret = get_errno(chroot(p));
3997 unlock_user(p, arg1, 0);
3998 break;
3999 case TARGET_NR_ustat:
4000 goto unimplemented;
4001 case TARGET_NR_dup2:
4002 ret = get_errno(dup2(arg1, arg2));
4003 break;
4004#ifdef TARGET_NR_getppid
4005 case TARGET_NR_getppid:
4006 ret = get_errno(getppid());
4007 break;
4008#endif
4009 case TARGET_NR_getpgrp:
4010 ret = get_errno(getpgrp());
4011 break;
4012 case TARGET_NR_setsid:
4013 ret = get_errno(setsid());
4014 break;
4015#ifdef TARGET_NR_sigaction
4016 case TARGET_NR_sigaction:
4017 {
4018#if !defined(TARGET_MIPS)
4019 struct target_old_sigaction *old_act;
4020 struct target_sigaction act, oact, *pact;
4021 if (arg2) {
4022 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4023 goto efault;
4024 act._sa_handler = old_act->_sa_handler;
4025 target_siginitset(&act.sa_mask, old_act->sa_mask);
4026 act.sa_flags = old_act->sa_flags;
4027 act.sa_restorer = old_act->sa_restorer;
4028 unlock_user_struct(old_act, arg2, 0);
4029 pact = &act;
4030 } else {
4031 pact = NULL;
4032 }
4033 ret = get_errno(do_sigaction(arg1, pact, &oact));
4034 if (!is_error(ret) && arg3) {
4035 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4036 goto efault;
4037 old_act->_sa_handler = oact._sa_handler;
4038 old_act->sa_mask = oact.sa_mask.sig[0];
4039 old_act->sa_flags = oact.sa_flags;
4040 old_act->sa_restorer = oact.sa_restorer;
4041 unlock_user_struct(old_act, arg3, 1);
4042 }
4043#else
4044 struct target_sigaction act, oact, *pact, *old_act;
4045
4046 if (arg2) {
4047 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4048 goto efault;
4049 act._sa_handler = old_act->_sa_handler;
4050 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4051 act.sa_flags = old_act->sa_flags;
4052 unlock_user_struct(old_act, arg2, 0);
4053 pact = &act;
4054 } else {
4055 pact = NULL;
4056 }
4057
4058 ret = get_errno(do_sigaction(arg1, pact, &oact));
4059
4060 if (!is_error(ret) && arg3) {
4061 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4062 goto efault;
4063 old_act->_sa_handler = oact._sa_handler;
4064 old_act->sa_flags = oact.sa_flags;
4065 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4066 old_act->sa_mask.sig[1] = 0;
4067 old_act->sa_mask.sig[2] = 0;
4068 old_act->sa_mask.sig[3] = 0;
4069 unlock_user_struct(old_act, arg3, 1);
4070 }
4071#endif
4072 }
4073 break;
4074#endif
4075 case TARGET_NR_rt_sigaction:
4076 {
4077 struct target_sigaction *act;
4078 struct target_sigaction *oact;
4079
4080 if (arg2) {
4081 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4082 goto efault;
4083 } else
4084 act = NULL;
4085 if (arg3) {
4086 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4087 ret = -TARGET_EFAULT;
4088 goto rt_sigaction_fail;
4089 }
4090 } else
4091 oact = NULL;
4092 ret = get_errno(do_sigaction(arg1, act, oact));
4093 rt_sigaction_fail:
4094 if (act)
4095 unlock_user_struct(act, arg2, 0);
4096 if (oact)
4097 unlock_user_struct(oact, arg3, 1);
4098 }
4099 break;
4100#ifdef TARGET_NR_sgetmask
4101 case TARGET_NR_sgetmask:
4102 {
4103 sigset_t cur_set;
4104 abi_ulong target_set;
4105 sigprocmask(0, NULL, &cur_set);
4106 host_to_target_old_sigset(&target_set, &cur_set);
4107 ret = target_set;
4108 }
4109 break;
4110#endif
4111#ifdef TARGET_NR_ssetmask
4112 case TARGET_NR_ssetmask:
4113 {
4114 sigset_t set, oset, cur_set;
4115 abi_ulong target_set = arg1;
4116 sigprocmask(0, NULL, &cur_set);
4117 target_to_host_old_sigset(&set, &target_set);
4118 sigorset(&set, &set, &cur_set);
4119 sigprocmask(SIG_SETMASK, &set, &oset);
4120 host_to_target_old_sigset(&target_set, &oset);
4121 ret = target_set;
4122 }
4123 break;
4124#endif
4125#ifdef TARGET_NR_sigprocmask
4126 case TARGET_NR_sigprocmask:
4127 {
4128 int how = arg1;
4129 sigset_t set, oldset, *set_ptr;
4130
4131 if (arg2) {
4132 switch(how) {
4133 case TARGET_SIG_BLOCK:
4134 how = SIG_BLOCK;
4135 break;
4136 case TARGET_SIG_UNBLOCK:
4137 how = SIG_UNBLOCK;
4138 break;
4139 case TARGET_SIG_SETMASK:
4140 how = SIG_SETMASK;
4141 break;
4142 default:
4143 ret = -TARGET_EINVAL;
4144 goto fail;
4145 }
4146 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4147 goto efault;
4148 target_to_host_old_sigset(&set, p);
4149 unlock_user(p, arg2, 0);
4150 set_ptr = &set;
4151 } else {
4152 how = 0;
4153 set_ptr = NULL;
4154 }
4155 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
4156 if (!is_error(ret) && arg3) {
4157 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4158 goto efault;
4159 host_to_target_old_sigset(p, &oldset);
4160 unlock_user(p, arg3, sizeof(target_sigset_t));
4161 }
4162 }
4163 break;
4164#endif
4165 case TARGET_NR_rt_sigprocmask:
4166 {
4167 int how = arg1;
4168 sigset_t set, oldset, *set_ptr;
4169
4170 if (arg2) {
4171 switch(how) {
4172 case TARGET_SIG_BLOCK:
4173 how = SIG_BLOCK;
4174 break;
4175 case TARGET_SIG_UNBLOCK:
4176 how = SIG_UNBLOCK;
4177 break;
4178 case TARGET_SIG_SETMASK:
4179 how = SIG_SETMASK;
4180 break;
4181 default:
4182 ret = -TARGET_EINVAL;
4183 goto fail;
4184 }
4185 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4186 goto efault;
4187 target_to_host_sigset(&set, p);
4188 unlock_user(p, arg2, 0);
4189 set_ptr = &set;
4190 } else {
4191 how = 0;
4192 set_ptr = NULL;
4193 }
4194 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
4195 if (!is_error(ret) && arg3) {
4196 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4197 goto efault;
4198 host_to_target_sigset(p, &oldset);
4199 unlock_user(p, arg3, sizeof(target_sigset_t));
4200 }
4201 }
4202 break;
4203#ifdef TARGET_NR_sigpending
4204 case TARGET_NR_sigpending:
4205 {
4206 sigset_t set;
4207 ret = get_errno(sigpending(&set));
4208 if (!is_error(ret)) {
4209 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4210 goto efault;
4211 host_to_target_old_sigset(p, &set);
4212 unlock_user(p, arg1, sizeof(target_sigset_t));
4213 }
4214 }
4215 break;
4216#endif
4217 case TARGET_NR_rt_sigpending:
4218 {
4219 sigset_t set;
4220 ret = get_errno(sigpending(&set));
4221 if (!is_error(ret)) {
4222 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4223 goto efault;
4224 host_to_target_sigset(p, &set);
4225 unlock_user(p, arg1, sizeof(target_sigset_t));
4226 }
4227 }
4228 break;
4229#ifdef TARGET_NR_sigsuspend
4230 case TARGET_NR_sigsuspend:
4231 {
4232 sigset_t set;
4233 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4234 goto efault;
4235 target_to_host_old_sigset(&set, p);
4236 unlock_user(p, arg1, 0);
4237 ret = get_errno(sigsuspend(&set));
4238 }
4239 break;
4240#endif
4241 case TARGET_NR_rt_sigsuspend:
4242 {
4243 sigset_t set;
4244 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4245 goto efault;
4246 target_to_host_sigset(&set, p);
4247 unlock_user(p, arg1, 0);
4248 ret = get_errno(sigsuspend(&set));
4249 }
4250 break;
4251 case TARGET_NR_rt_sigtimedwait:
4252 {
4253 sigset_t set;
4254 struct timespec uts, *puts;
4255 siginfo_t uinfo;
4256
4257 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4258 goto efault;
4259 target_to_host_sigset(&set, p);
4260 unlock_user(p, arg1, 0);
4261 if (arg3) {
4262 puts = &uts;
4263 target_to_host_timespec(puts, arg3);
4264 } else {
4265 puts = NULL;
4266 }
4267 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
4268 if (!is_error(ret) && arg2) {
4269 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
4270 goto efault;
4271 host_to_target_siginfo(p, &uinfo);
4272 unlock_user(p, arg2, sizeof(target_siginfo_t));
4273 }
4274 }
4275 break;
4276 case TARGET_NR_rt_sigqueueinfo:
4277 {
4278 siginfo_t uinfo;
4279 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
4280 goto efault;
4281 target_to_host_siginfo(&uinfo, p);
4282 unlock_user(p, arg1, 0);
4283 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
4284 }
4285 break;
4286#ifdef TARGET_NR_sigreturn
4287 case TARGET_NR_sigreturn:
4288
4289 ret = do_sigreturn(cpu_env);
4290 break;
4291#endif
4292 case TARGET_NR_rt_sigreturn:
4293
4294 ret = do_rt_sigreturn(cpu_env);
4295 break;
4296 case TARGET_NR_sethostname:
4297 if (!(p = lock_user_string(arg1)))
4298 goto efault;
4299 ret = get_errno(sethostname(p, arg2));
4300 unlock_user(p, arg1, 0);
4301 break;
4302 case TARGET_NR_setrlimit:
4303 {
4304
4305 int resource = arg1;
4306 struct target_rlimit *target_rlim;
4307 struct rlimit rlim;
4308 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
4309 goto efault;
4310 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
4311 rlim.rlim_max = tswapl(target_rlim->rlim_max);
4312 unlock_user_struct(target_rlim, arg2, 0);
4313 ret = get_errno(setrlimit(resource, &rlim));
4314 }
4315 break;
4316 case TARGET_NR_getrlimit:
4317 {
4318
4319 int resource = arg1;
4320 struct target_rlimit *target_rlim;
4321 struct rlimit rlim;
4322
4323 ret = get_errno(getrlimit(resource, &rlim));
4324 if (!is_error(ret)) {
4325 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
4326 goto efault;
4327 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
4328 rlim.rlim_max = tswapl(target_rlim->rlim_max);
4329 unlock_user_struct(target_rlim, arg2, 1);
4330 }
4331 }
4332 break;
4333 case TARGET_NR_getrusage:
4334 {
4335 struct rusage rusage;
4336 ret = get_errno(getrusage(arg1, &rusage));
4337 if (!is_error(ret)) {
4338 host_to_target_rusage(arg2, &rusage);
4339 }
4340 }
4341 break;
4342 case TARGET_NR_gettimeofday:
4343 {
4344 struct timeval tv;
4345 ret = get_errno(gettimeofday(&tv, NULL));
4346 if (!is_error(ret)) {
4347 if (copy_to_user_timeval(arg1, &tv))
4348 goto efault;
4349 }
4350 }
4351 break;
4352 case TARGET_NR_settimeofday:
4353 {
4354 struct timeval tv;
4355 if (copy_from_user_timeval(&tv, arg1))
4356 goto efault;
4357 ret = get_errno(settimeofday(&tv, NULL));
4358 }
4359 break;
4360#ifdef TARGET_NR_select
4361 case TARGET_NR_select:
4362 {
4363 struct target_sel_arg_struct *sel;
4364 abi_ulong inp, outp, exp, tvp;
4365 long nsel;
4366
4367 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
4368 goto efault;
4369 nsel = tswapl(sel->n);
4370 inp = tswapl(sel->inp);
4371 outp = tswapl(sel->outp);
4372 exp = tswapl(sel->exp);
4373 tvp = tswapl(sel->tvp);
4374 unlock_user_struct(sel, arg1, 0);
4375 ret = do_select(nsel, inp, outp, exp, tvp);
4376 }
4377 break;
4378#endif
4379 case TARGET_NR_symlink:
4380 {
4381 void *p2;
4382 p = lock_user_string(arg1);
4383 p2 = lock_user_string(arg2);
4384 if (!p || !p2)
4385 ret = -TARGET_EFAULT;
4386 else
4387 ret = get_errno(symlink(p, p2));
4388 unlock_user(p2, arg2, 0);
4389 unlock_user(p, arg1, 0);
4390 }
4391 break;
4392#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
4393 case TARGET_NR_symlinkat:
4394 {
4395 void *p2;
4396 p = lock_user_string(arg1);
4397 p2 = lock_user_string(arg3);
4398 if (!p || !p2)
4399 ret = -TARGET_EFAULT;
4400 else
4401 ret = get_errno(sys_symlinkat(p, arg2, p2));
4402 unlock_user(p2, arg3, 0);
4403 unlock_user(p, arg1, 0);
4404 }
4405 break;
4406#endif
4407#ifdef TARGET_NR_oldlstat
4408 case TARGET_NR_oldlstat:
4409 goto unimplemented;
4410#endif
4411 case TARGET_NR_readlink:
4412 {
4413 void *p2, *temp;
4414 p = lock_user_string(arg1);
4415 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
4416 if (!p || !p2)
4417 ret = -TARGET_EFAULT;
4418 else {
4419 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
4420 char real[PATH_MAX];
4421 temp = realpath(exec_path,real);
4422 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
4423 snprintf((char *)p2, arg3, "%s", real);
4424 }
4425 else
4426 ret = get_errno(readlink(path(p), p2, arg3));
4427 }
4428 unlock_user(p2, arg2, ret);
4429 unlock_user(p, arg1, 0);
4430 }
4431 break;
4432#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
4433 case TARGET_NR_readlinkat:
4434 {
4435 void *p2;
4436 p = lock_user_string(arg2);
4437 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
4438 if (!p || !p2)
4439 ret = -TARGET_EFAULT;
4440 else
4441 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
4442 unlock_user(p2, arg3, ret);
4443 unlock_user(p, arg2, 0);
4444 }
4445 break;
4446#endif
4447#ifdef TARGET_NR_uselib
4448 case TARGET_NR_uselib:
4449 goto unimplemented;
4450#endif
4451#ifdef TARGET_NR_swapon
4452 case TARGET_NR_swapon:
4453 if (!(p = lock_user_string(arg1)))
4454 goto efault;
4455 ret = get_errno(swapon(p, arg2));
4456 unlock_user(p, arg1, 0);
4457 break;
4458#endif
4459 case TARGET_NR_reboot:
4460 goto unimplemented;
4461#ifdef TARGET_NR_readdir
4462 case TARGET_NR_readdir:
4463 goto unimplemented;
4464#endif
4465#ifdef TARGET_NR_mmap
4466 case TARGET_NR_mmap:
4467#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
4468 {
4469 abi_ulong *v;
4470 abi_ulong v1, v2, v3, v4, v5, v6;
4471 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
4472 goto efault;
4473 v1 = tswapl(v[0]);
4474 v2 = tswapl(v[1]);
4475 v3 = tswapl(v[2]);
4476 v4 = tswapl(v[3]);
4477 v5 = tswapl(v[4]);
4478 v6 = tswapl(v[5]);
4479 unlock_user(v, arg1, 0);
4480 ret = get_errno(target_mmap(v1, v2, v3,
4481 target_to_host_bitmask(v4, mmap_flags_tbl),
4482 v5, v6));
4483 }
4484#else
4485 ret = get_errno(target_mmap(arg1, arg2, arg3,
4486 target_to_host_bitmask(arg4, mmap_flags_tbl),
4487 arg5,
4488 arg6));
4489#endif
4490 break;
4491#endif
4492#ifdef TARGET_NR_mmap2
4493 case TARGET_NR_mmap2:
4494#ifndef MMAP_SHIFT
4495#define MMAP_SHIFT 12
4496#endif
4497 ret = get_errno(target_mmap(arg1, arg2, arg3,
4498 target_to_host_bitmask(arg4, mmap_flags_tbl),
4499 arg5,
4500 arg6 << MMAP_SHIFT));
4501 break;
4502#endif
4503 case TARGET_NR_munmap:
4504 ret = get_errno(target_munmap(arg1, arg2));
4505 break;
4506 case TARGET_NR_mprotect:
4507 ret = get_errno(target_mprotect(arg1, arg2, arg3));
4508 break;
4509#ifdef TARGET_NR_mremap
4510 case TARGET_NR_mremap:
4511 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
4512 break;
4513#endif
4514
4515#ifdef TARGET_NR_msync
4516 case TARGET_NR_msync:
4517 ret = get_errno(msync(g2h(arg1), arg2, arg3));
4518 break;
4519#endif
4520#ifdef TARGET_NR_mlock
4521 case TARGET_NR_mlock:
4522 ret = get_errno(mlock(g2h(arg1), arg2));
4523 break;
4524#endif
4525#ifdef TARGET_NR_munlock
4526 case TARGET_NR_munlock:
4527 ret = get_errno(munlock(g2h(arg1), arg2));
4528 break;
4529#endif
4530#ifdef TARGET_NR_mlockall
4531 case TARGET_NR_mlockall:
4532 ret = get_errno(mlockall(arg1));
4533 break;
4534#endif
4535#ifdef TARGET_NR_munlockall
4536 case TARGET_NR_munlockall:
4537 ret = get_errno(munlockall());
4538 break;
4539#endif
4540 case TARGET_NR_truncate:
4541 if (!(p = lock_user_string(arg1)))
4542 goto efault;
4543 ret = get_errno(truncate(p, arg2));
4544 unlock_user(p, arg1, 0);
4545 break;
4546 case TARGET_NR_ftruncate:
4547 ret = get_errno(ftruncate(arg1, arg2));
4548 break;
4549 case TARGET_NR_fchmod:
4550 ret = get_errno(fchmod(arg1, arg2));
4551 break;
4552#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
4553 case TARGET_NR_fchmodat:
4554 if (!(p = lock_user_string(arg2)))
4555 goto efault;
4556 ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4));
4557 unlock_user(p, arg2, 0);
4558 break;
4559#endif
4560 case TARGET_NR_getpriority:
4561
4562
4563
4564 ret = sys_getpriority(arg1, arg2);
4565 break;
4566 case TARGET_NR_setpriority:
4567 ret = get_errno(setpriority(arg1, arg2, arg3));
4568 break;
4569#ifdef TARGET_NR_profil
4570 case TARGET_NR_profil:
4571 goto unimplemented;
4572#endif
4573 case TARGET_NR_statfs:
4574 if (!(p = lock_user_string(arg1)))
4575 goto efault;
4576 ret = get_errno(statfs(path(p), &stfs));
4577 unlock_user(p, arg1, 0);
4578 convert_statfs:
4579 if (!is_error(ret)) {
4580 struct target_statfs *target_stfs;
4581
4582 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
4583 goto efault;
4584 __put_user(stfs.f_type, &target_stfs->f_type);
4585 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4586 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4587 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4588 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4589 __put_user(stfs.f_files, &target_stfs->f_files);
4590 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4591 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4592 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4593 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
4594 unlock_user_struct(target_stfs, arg2, 1);
4595 }
4596 break;
4597 case TARGET_NR_fstatfs:
4598 ret = get_errno(fstatfs(arg1, &stfs));
4599 goto convert_statfs;
4600#ifdef TARGET_NR_statfs64
4601 case TARGET_NR_statfs64:
4602 if (!(p = lock_user_string(arg1)))
4603 goto efault;
4604 ret = get_errno(statfs(path(p), &stfs));
4605 unlock_user(p, arg1, 0);
4606 convert_statfs64:
4607 if (!is_error(ret)) {
4608 struct target_statfs64 *target_stfs;
4609
4610 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
4611 goto efault;
4612 __put_user(stfs.f_type, &target_stfs->f_type);
4613 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
4614 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
4615 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
4616 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
4617 __put_user(stfs.f_files, &target_stfs->f_files);
4618 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
4619 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
4620 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
4621 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
4622 unlock_user_struct(target_stfs, arg3, 1);
4623 }
4624 break;
4625 case TARGET_NR_fstatfs64:
4626 ret = get_errno(fstatfs(arg1, &stfs));
4627 goto convert_statfs64;
4628#endif
4629#ifdef TARGET_NR_ioperm
4630 case TARGET_NR_ioperm:
4631 goto unimplemented;
4632#endif
4633#ifdef TARGET_NR_socketcall
4634 case TARGET_NR_socketcall:
4635 ret = do_socketcall(arg1, arg2);
4636 break;
4637#endif
4638#ifdef TARGET_NR_accept
4639 case TARGET_NR_accept:
4640 ret = do_accept(arg1, arg2, arg3);
4641 break;
4642#endif
4643#ifdef TARGET_NR_bind
4644 case TARGET_NR_bind:
4645 ret = do_bind(arg1, arg2, arg3);
4646 break;
4647#endif
4648#ifdef TARGET_NR_connect
4649 case TARGET_NR_connect:
4650 ret = do_connect(arg1, arg2, arg3);
4651 break;
4652#endif
4653#ifdef TARGET_NR_getpeername
4654 case TARGET_NR_getpeername:
4655 ret = do_getpeername(arg1, arg2, arg3);
4656 break;
4657#endif
4658#ifdef TARGET_NR_getsockname
4659 case TARGET_NR_getsockname:
4660 ret = do_getsockname(arg1, arg2, arg3);
4661 break;
4662#endif
4663#ifdef TARGET_NR_getsockopt
4664 case TARGET_NR_getsockopt:
4665 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
4666 break;
4667#endif
4668#ifdef TARGET_NR_listen
4669 case TARGET_NR_listen:
4670 ret = get_errno(listen(arg1, arg2));
4671 break;
4672#endif
4673#ifdef TARGET_NR_recv
4674 case TARGET_NR_recv:
4675 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
4676 break;
4677#endif
4678#ifdef TARGET_NR_recvfrom
4679 case TARGET_NR_recvfrom:
4680 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
4681 break;
4682#endif
4683#ifdef TARGET_NR_recvmsg
4684 case TARGET_NR_recvmsg:
4685 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
4686 break;
4687#endif
4688#ifdef TARGET_NR_send
4689 case TARGET_NR_send:
4690 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
4691 break;
4692#endif
4693#ifdef TARGET_NR_sendmsg
4694 case TARGET_NR_sendmsg:
4695 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
4696 break;
4697#endif
4698#ifdef TARGET_NR_sendto
4699 case TARGET_NR_sendto:
4700 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
4701 break;
4702#endif
4703#ifdef TARGET_NR_shutdown
4704 case TARGET_NR_shutdown:
4705 ret = get_errno(shutdown(arg1, arg2));
4706 break;
4707#endif
4708#ifdef TARGET_NR_socket
4709 case TARGET_NR_socket:
4710 ret = do_socket(arg1, arg2, arg3);
4711 break;
4712#endif
4713#ifdef TARGET_NR_socketpair
4714 case TARGET_NR_socketpair:
4715 ret = do_socketpair(arg1, arg2, arg3, arg4);
4716 break;
4717#endif
4718#ifdef TARGET_NR_setsockopt
4719 case TARGET_NR_setsockopt:
4720 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
4721 break;
4722#endif
4723
4724 case TARGET_NR_syslog:
4725 if (!(p = lock_user_string(arg2)))
4726 goto efault;
4727 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
4728 unlock_user(p, arg2, 0);
4729 break;
4730
4731 case TARGET_NR_setitimer:
4732 {
4733 struct itimerval value, ovalue, *pvalue;
4734
4735 if (arg2) {
4736 pvalue = &value;
4737 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
4738 || copy_from_user_timeval(&pvalue->it_value,
4739 arg2 + sizeof(struct target_timeval)))
4740 goto efault;
4741 } else {
4742 pvalue = NULL;
4743 }
4744 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
4745 if (!is_error(ret) && arg3) {
4746 if (copy_to_user_timeval(arg3,
4747 &ovalue.it_interval)
4748 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
4749 &ovalue.it_value))
4750 goto efault;
4751 }
4752 }
4753 break;
4754 case TARGET_NR_getitimer:
4755 {
4756 struct itimerval value;
4757
4758 ret = get_errno(getitimer(arg1, &value));
4759 if (!is_error(ret) && arg2) {
4760 if (copy_to_user_timeval(arg2,
4761 &value.it_interval)
4762 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
4763 &value.it_value))
4764 goto efault;
4765 }
4766 }
4767 break;
4768 case TARGET_NR_stat:
4769 if (!(p = lock_user_string(arg1)))
4770 goto efault;
4771 ret = get_errno(stat(path(p), &st));
4772 unlock_user(p, arg1, 0);
4773 goto do_stat;
4774 case TARGET_NR_lstat:
4775 if (!(p = lock_user_string(arg1)))
4776 goto efault;
4777 ret = get_errno(lstat(path(p), &st));
4778 unlock_user(p, arg1, 0);
4779 goto do_stat;
4780 case TARGET_NR_fstat:
4781 {
4782 ret = get_errno(fstat(arg1, &st));
4783 do_stat:
4784 if (!is_error(ret)) {
4785 struct target_stat *target_st;
4786
4787 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
4788 goto efault;
4789 __put_user(st.st_dev, &target_st->st_dev);
4790 __put_user(st.st_ino, &target_st->st_ino);
4791 __put_user(st.st_mode, &target_st->st_mode);
4792 __put_user(st.st_uid, &target_st->st_uid);
4793 __put_user(st.st_gid, &target_st->st_gid);
4794 __put_user(st.st_nlink, &target_st->st_nlink);
4795 __put_user(st.st_rdev, &target_st->st_rdev);
4796 __put_user(st.st_size, &target_st->st_size);
4797 __put_user(st.st_blksize, &target_st->st_blksize);
4798 __put_user(st.st_blocks, &target_st->st_blocks);
4799 __put_user(st.st_atime, &target_st->target_st_atime);
4800 __put_user(st.st_mtime, &target_st->target_st_mtime);
4801 __put_user(st.st_ctime, &target_st->target_st_ctime);
4802 unlock_user_struct(target_st, arg2, 1);
4803 }
4804 }
4805 break;
4806#ifdef TARGET_NR_olduname
4807 case TARGET_NR_olduname:
4808 goto unimplemented;
4809#endif
4810#ifdef TARGET_NR_iopl
4811 case TARGET_NR_iopl:
4812 goto unimplemented;
4813#endif
4814 case TARGET_NR_vhangup:
4815 ret = get_errno(vhangup());
4816 break;
4817#ifdef TARGET_NR_idle
4818 case TARGET_NR_idle:
4819 goto unimplemented;
4820#endif
4821#ifdef TARGET_NR_syscall
4822 case TARGET_NR_syscall:
4823 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
4824 break;
4825#endif
4826 case TARGET_NR_wait4:
4827 {
4828 int status;
4829 abi_long status_ptr = arg2;
4830 struct rusage rusage, *rusage_ptr;
4831 abi_ulong target_rusage = arg4;
4832 if (target_rusage)
4833 rusage_ptr = &rusage;
4834 else
4835 rusage_ptr = NULL;
4836 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
4837 if (!is_error(ret)) {
4838 if (status_ptr) {
4839 if (put_user_s32(status, status_ptr))
4840 goto efault;
4841 }
4842 if (target_rusage)
4843 host_to_target_rusage(target_rusage, &rusage);
4844 }
4845 }
4846 break;
4847#ifdef TARGET_NR_swapoff
4848 case TARGET_NR_swapoff:
4849 if (!(p = lock_user_string(arg1)))
4850 goto efault;
4851 ret = get_errno(swapoff(p));
4852 unlock_user(p, arg1, 0);
4853 break;
4854#endif
4855 case TARGET_NR_sysinfo:
4856 {
4857 struct target_sysinfo *target_value;
4858 struct sysinfo value;
4859 ret = get_errno(sysinfo(&value));
4860 if (!is_error(ret) && arg1)
4861 {
4862 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
4863 goto efault;
4864 __put_user(value.uptime, &target_value->uptime);
4865 __put_user(value.loads[0], &target_value->loads[0]);
4866 __put_user(value.loads[1], &target_value->loads[1]);
4867 __put_user(value.loads[2], &target_value->loads[2]);
4868 __put_user(value.totalram, &target_value->totalram);
4869 __put_user(value.freeram, &target_value->freeram);
4870 __put_user(value.sharedram, &target_value->sharedram);
4871 __put_user(value.bufferram, &target_value->bufferram);
4872 __put_user(value.totalswap, &target_value->totalswap);
4873 __put_user(value.freeswap, &target_value->freeswap);
4874 __put_user(value.procs, &target_value->procs);
4875 __put_user(value.totalhigh, &target_value->totalhigh);
4876 __put_user(value.freehigh, &target_value->freehigh);
4877 __put_user(value.mem_unit, &target_value->mem_unit);
4878 unlock_user_struct(target_value, arg1, 1);
4879 }
4880 }
4881 break;
4882#ifdef TARGET_NR_ipc
4883 case TARGET_NR_ipc:
4884 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
4885 break;
4886#endif
4887
4888#ifdef TARGET_NR_msgctl
4889 case TARGET_NR_msgctl:
4890 ret = do_msgctl(arg1, arg2, arg3);
4891 break;
4892#endif
4893#ifdef TARGET_NR_msgget
4894 case TARGET_NR_msgget:
4895 ret = get_errno(msgget(arg1, arg2));
4896 break;
4897#endif
4898#ifdef TARGET_NR_msgrcv
4899 case TARGET_NR_msgrcv:
4900 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
4901 break;
4902#endif
4903#ifdef TARGET_NR_msgsnd
4904 case TARGET_NR_msgsnd:
4905 ret = do_msgsnd(arg1, arg2, arg3, arg4);
4906 break;
4907#endif
4908 case TARGET_NR_fsync:
4909 ret = get_errno(fsync(arg1));
4910 break;
4911 case TARGET_NR_clone:
4912#if defined(TARGET_SH4)
4913 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
4914#elif defined(TARGET_CRIS)
4915 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
4916#else
4917 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
4918#endif
4919 break;
4920#ifdef __NR_exit_group
4921
4922 case TARGET_NR_exit_group:
4923#ifdef HAVE_GPROF
4924 _mcleanup();
4925#endif
4926 gdb_exit(cpu_env, arg1);
4927 ret = get_errno(exit_group(arg1));
4928 break;
4929#endif
4930 case TARGET_NR_setdomainname:
4931 if (!(p = lock_user_string(arg1)))
4932 goto efault;
4933 ret = get_errno(setdomainname(p, arg2));
4934 unlock_user(p, arg1, 0);
4935 break;
4936 case TARGET_NR_uname:
4937
4938 {
4939 struct new_utsname * buf;
4940
4941 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
4942 goto efault;
4943 ret = get_errno(sys_uname(buf));
4944 if (!is_error(ret)) {
4945
4946
4947 strcpy (buf->machine, UNAME_MACHINE);
4948
4949 if (qemu_uname_release && *qemu_uname_release)
4950 strcpy (buf->release, qemu_uname_release);
4951 }
4952 unlock_user_struct(buf, arg1, 1);
4953 }
4954 break;
4955#ifdef TARGET_I386
4956 case TARGET_NR_modify_ldt:
4957 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
4958 break;
4959#if !defined(TARGET_X86_64)
4960 case TARGET_NR_vm86old:
4961 goto unimplemented;
4962 case TARGET_NR_vm86:
4963 ret = do_vm86(cpu_env, arg1, arg2);
4964 break;
4965#endif
4966#endif
4967 case TARGET_NR_adjtimex:
4968 goto unimplemented;
4969#ifdef TARGET_NR_create_module
4970 case TARGET_NR_create_module:
4971#endif
4972 case TARGET_NR_init_module:
4973 case TARGET_NR_delete_module:
4974#ifdef TARGET_NR_get_kernel_syms
4975 case TARGET_NR_get_kernel_syms:
4976#endif
4977 goto unimplemented;
4978 case TARGET_NR_quotactl:
4979 goto unimplemented;
4980 case TARGET_NR_getpgid:
4981 ret = get_errno(getpgid(arg1));
4982 break;
4983 case TARGET_NR_fchdir:
4984 ret = get_errno(fchdir(arg1));
4985 break;
4986#ifdef TARGET_NR_bdflush
4987 case TARGET_NR_bdflush:
4988 goto unimplemented;
4989#endif
4990#ifdef TARGET_NR_sysfs
4991 case TARGET_NR_sysfs:
4992 goto unimplemented;
4993#endif
4994 case TARGET_NR_personality:
4995 ret = get_errno(personality(arg1));
4996 break;
4997#ifdef TARGET_NR_afs_syscall
4998 case TARGET_NR_afs_syscall:
4999 goto unimplemented;
5000#endif
5001#ifdef TARGET_NR__llseek
5002 case TARGET_NR__llseek:
5003 {
5004#if defined (__x86_64__)
5005 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
5006 if (put_user_s64(ret, arg4))
5007 goto efault;
5008#else
5009 int64_t res;
5010 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
5011 if (put_user_s64(res, arg4))
5012 goto efault;
5013#endif
5014 }
5015 break;
5016#endif
5017 case TARGET_NR_getdents:
5018#if TARGET_ABI_BITS != 32
5019 goto unimplemented;
5020#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
5021 {
5022 struct target_dirent *target_dirp;
5023 struct linux_dirent *dirp;
5024 abi_long count = arg3;
5025
5026 dirp = malloc(count);
5027 if (!dirp) {
5028 ret = -TARGET_ENOMEM;
5029 goto fail;
5030 }
5031
5032 ret = get_errno(sys_getdents(arg1, dirp, count));
5033 if (!is_error(ret)) {
5034 struct linux_dirent *de;
5035 struct target_dirent *tde;
5036 int len = ret;
5037 int reclen, treclen;
5038 int count1, tnamelen;
5039
5040 count1 = 0;
5041 de = dirp;
5042 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5043 goto efault;
5044 tde = target_dirp;
5045 while (len > 0) {
5046 reclen = de->d_reclen;
5047 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
5048 tde->d_reclen = tswap16(treclen);
5049 tde->d_ino = tswapl(de->d_ino);
5050 tde->d_off = tswapl(de->d_off);
5051 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
5052 if (tnamelen > 256)
5053 tnamelen = 256;
5054
5055 pstrcpy(tde->d_name, tnamelen, de->d_name);
5056 de = (struct linux_dirent *)((char *)de + reclen);
5057 len -= reclen;
5058 tde = (struct target_dirent *)((char *)tde + treclen);
5059 count1 += treclen;
5060 }
5061 ret = count1;
5062 unlock_user(target_dirp, arg2, ret);
5063 }
5064 free(dirp);
5065 }
5066#else
5067 {
5068 struct linux_dirent *dirp;
5069 abi_long count = arg3;
5070
5071 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5072 goto efault;
5073 ret = get_errno(sys_getdents(arg1, dirp, count));
5074 if (!is_error(ret)) {
5075 struct linux_dirent *de;
5076 int len = ret;
5077 int reclen;
5078 de = dirp;
5079 while (len > 0) {
5080 reclen = de->d_reclen;
5081 if (reclen > len)
5082 break;
5083 de->d_reclen = tswap16(reclen);
5084 tswapls(&de->d_ino);
5085 tswapls(&de->d_off);
5086 de = (struct linux_dirent *)((char *)de + reclen);
5087 len -= reclen;
5088 }
5089 }
5090 unlock_user(dirp, arg2, ret);
5091 }
5092#endif
5093 break;
5094#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
5095 case TARGET_NR_getdents64:
5096 {
5097 struct linux_dirent64 *dirp;
5098 abi_long count = arg3;
5099 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5100 goto efault;
5101 ret = get_errno(sys_getdents64(arg1, dirp, count));
5102 if (!is_error(ret)) {
5103 struct linux_dirent64 *de;
5104 int len = ret;
5105 int reclen;
5106 de = dirp;
5107 while (len > 0) {
5108 reclen = de->d_reclen;
5109 if (reclen > len)
5110 break;
5111 de->d_reclen = tswap16(reclen);
5112 tswap64s((uint64_t *)&de->d_ino);
5113 tswap64s((uint64_t *)&de->d_off);
5114 de = (struct linux_dirent64 *)((char *)de + reclen);
5115 len -= reclen;
5116 }
5117 }
5118 unlock_user(dirp, arg2, ret);
5119 }
5120 break;
5121#endif
5122#ifdef TARGET_NR__newselect
5123 case TARGET_NR__newselect:
5124 ret = do_select(arg1, arg2, arg3, arg4, arg5);
5125 break;
5126#endif
5127#ifdef TARGET_NR_poll
5128 case TARGET_NR_poll:
5129 {
5130 struct target_pollfd *target_pfd;
5131 unsigned int nfds = arg2;
5132 int timeout = arg3;
5133 struct pollfd *pfd;
5134 unsigned int i;
5135
5136 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5137 if (!target_pfd)
5138 goto efault;
5139 pfd = alloca(sizeof(struct pollfd) * nfds);
5140 for(i = 0; i < nfds; i++) {
5141 pfd[i].fd = tswap32(target_pfd[i].fd);
5142 pfd[i].events = tswap16(target_pfd[i].events);
5143 }
5144 ret = get_errno(poll(pfd, nfds, timeout));
5145 if (!is_error(ret)) {
5146 for(i = 0; i < nfds; i++) {
5147 target_pfd[i].revents = tswap16(pfd[i].revents);
5148 }
5149 ret += nfds * (sizeof(struct target_pollfd)
5150 - sizeof(struct pollfd));
5151 }
5152 unlock_user(target_pfd, arg1, ret);
5153 }
5154 break;
5155#endif
5156 case TARGET_NR_flock:
5157
5158
5159 ret = get_errno(flock(arg1, arg2));
5160 break;
5161 case TARGET_NR_readv:
5162 {
5163 int count = arg3;
5164 struct iovec *vec;
5165
5166 vec = alloca(count * sizeof(struct iovec));
5167 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
5168 goto efault;
5169 ret = get_errno(readv(arg1, vec, count));
5170 unlock_iovec(vec, arg2, count, 1);
5171 }
5172 break;
5173 case TARGET_NR_writev:
5174 {
5175 int count = arg3;
5176 struct iovec *vec;
5177
5178 vec = alloca(count * sizeof(struct iovec));
5179 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
5180 goto efault;
5181 ret = get_errno(writev(arg1, vec, count));
5182 unlock_iovec(vec, arg2, count, 0);
5183 }
5184 break;
5185 case TARGET_NR_getsid:
5186 ret = get_errno(getsid(arg1));
5187 break;
5188#if defined(TARGET_NR_fdatasync)
5189 case TARGET_NR_fdatasync:
5190 ret = get_errno(fdatasync(arg1));
5191 break;
5192#endif
5193 case TARGET_NR__sysctl:
5194
5195
5196 ret = -TARGET_ENOTDIR;
5197 break;
5198 case TARGET_NR_sched_setparam:
5199 {
5200 struct sched_param *target_schp;
5201 struct sched_param schp;
5202
5203 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5204 goto efault;
5205 schp.sched_priority = tswap32(target_schp->sched_priority);
5206 unlock_user_struct(target_schp, arg2, 0);
5207 ret = get_errno(sched_setparam(arg1, &schp));
5208 }
5209 break;
5210 case TARGET_NR_sched_getparam:
5211 {
5212 struct sched_param *target_schp;
5213 struct sched_param schp;
5214 ret = get_errno(sched_getparam(arg1, &schp));
5215 if (!is_error(ret)) {
5216 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
5217 goto efault;
5218 target_schp->sched_priority = tswap32(schp.sched_priority);
5219 unlock_user_struct(target_schp, arg2, 1);
5220 }
5221 }
5222 break;
5223 case TARGET_NR_sched_setscheduler:
5224 {
5225 struct sched_param *target_schp;
5226 struct sched_param schp;
5227 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
5228 goto efault;
5229 schp.sched_priority = tswap32(target_schp->sched_priority);
5230 unlock_user_struct(target_schp, arg3, 0);
5231 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
5232 }
5233 break;
5234 case TARGET_NR_sched_getscheduler:
5235 ret = get_errno(sched_getscheduler(arg1));
5236 break;
5237 case TARGET_NR_sched_yield:
5238 ret = get_errno(sched_yield());
5239 break;
5240 case TARGET_NR_sched_get_priority_max:
5241 ret = get_errno(sched_get_priority_max(arg1));
5242 break;
5243 case TARGET_NR_sched_get_priority_min:
5244 ret = get_errno(sched_get_priority_min(arg1));
5245 break;
5246 case TARGET_NR_sched_rr_get_interval:
5247 {
5248 struct timespec ts;
5249 ret = get_errno(sched_rr_get_interval(arg1, &ts));
5250 if (!is_error(ret)) {
5251 host_to_target_timespec(arg2, &ts);
5252 }
5253 }
5254 break;
5255 case TARGET_NR_nanosleep:
5256 {
5257 struct timespec req, rem;
5258 target_to_host_timespec(&req, arg1);
5259 ret = get_errno(nanosleep(&req, &rem));
5260 if (is_error(ret) && arg2) {
5261 host_to_target_timespec(arg2, &rem);
5262 }
5263 }
5264 break;
5265#ifdef TARGET_NR_query_module
5266 case TARGET_NR_query_module:
5267 goto unimplemented;
5268#endif
5269#ifdef TARGET_NR_nfsservctl
5270 case TARGET_NR_nfsservctl:
5271 goto unimplemented;
5272#endif
5273 case TARGET_NR_prctl:
5274 switch (arg1)
5275 {
5276 case PR_GET_PDEATHSIG:
5277 {
5278 int deathsig;
5279 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
5280 if (!is_error(ret) && arg2
5281 && put_user_ual(deathsig, arg2))
5282 goto efault;
5283 }
5284 break;
5285 default:
5286 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
5287 break;
5288 }
5289 break;
5290#ifdef TARGET_NR_arch_prctl
5291 case TARGET_NR_arch_prctl:
5292#if defined(TARGET_I386) && !defined(TARGET_ABI32)
5293 ret = do_arch_prctl(cpu_env, arg1, arg2);
5294 break;
5295#else
5296 goto unimplemented;
5297#endif
5298#endif
5299#ifdef TARGET_NR_pread
5300 case TARGET_NR_pread:
5301#ifdef TARGET_ARM
5302 if (((CPUARMState *)cpu_env)->eabi)
5303 arg4 = arg5;
5304#endif
5305 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5306 goto efault;
5307 ret = get_errno(pread(arg1, p, arg3, arg4));
5308 unlock_user(p, arg2, ret);
5309 break;
5310 case TARGET_NR_pwrite:
5311#ifdef TARGET_ARM
5312 if (((CPUARMState *)cpu_env)->eabi)
5313 arg4 = arg5;
5314#endif
5315 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5316 goto efault;
5317 ret = get_errno(pwrite(arg1, p, arg3, arg4));
5318 unlock_user(p, arg2, 0);
5319 break;
5320#endif
5321#ifdef TARGET_NR_pread64
5322 case TARGET_NR_pread64:
5323 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5324 goto efault;
5325 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
5326 unlock_user(p, arg2, ret);
5327 break;
5328 case TARGET_NR_pwrite64:
5329 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5330 goto efault;
5331 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
5332 unlock_user(p, arg2, 0);
5333 break;
5334#endif
5335 case TARGET_NR_getcwd:
5336 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
5337 goto efault;
5338 ret = get_errno(sys_getcwd1(p, arg2));
5339 unlock_user(p, arg1, ret);
5340 break;
5341 case TARGET_NR_capget:
5342 goto unimplemented;
5343 case TARGET_NR_capset:
5344 goto unimplemented;
5345 case TARGET_NR_sigaltstack:
5346#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
5347 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
5348 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
5349 break;
5350#else
5351 goto unimplemented;
5352#endif
5353 case TARGET_NR_sendfile:
5354 goto unimplemented;
5355#ifdef TARGET_NR_getpmsg
5356 case TARGET_NR_getpmsg:
5357 goto unimplemented;
5358#endif
5359#ifdef TARGET_NR_putpmsg
5360 case TARGET_NR_putpmsg:
5361 goto unimplemented;
5362#endif
5363#ifdef TARGET_NR_vfork
5364 case TARGET_NR_vfork:
5365 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
5366 0, 0, 0, 0));
5367 break;
5368#endif
5369#ifdef TARGET_NR_ugetrlimit
5370 case TARGET_NR_ugetrlimit:
5371 {
5372 struct rlimit rlim;
5373 ret = get_errno(getrlimit(arg1, &rlim));
5374 if (!is_error(ret)) {
5375 struct target_rlimit *target_rlim;
5376 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5377 goto efault;
5378 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
5379 target_rlim->rlim_max = tswapl(rlim.rlim_max);
5380 unlock_user_struct(target_rlim, arg2, 1);
5381 }
5382 break;
5383 }
5384#endif
5385#ifdef TARGET_NR_truncate64
5386 case TARGET_NR_truncate64:
5387 if (!(p = lock_user_string(arg1)))
5388 goto efault;
5389 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
5390 unlock_user(p, arg1, 0);
5391 break;
5392#endif
5393#ifdef TARGET_NR_ftruncate64
5394 case TARGET_NR_ftruncate64:
5395 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
5396 break;
5397#endif
5398#ifdef TARGET_NR_stat64
5399 case TARGET_NR_stat64:
5400 if (!(p = lock_user_string(arg1)))
5401 goto efault;
5402 ret = get_errno(stat(path(p), &st));
5403 unlock_user(p, arg1, 0);
5404 if (!is_error(ret))
5405 ret = host_to_target_stat64(cpu_env, arg2, &st);
5406 break;
5407#endif
5408#ifdef TARGET_NR_lstat64
5409 case TARGET_NR_lstat64:
5410 if (!(p = lock_user_string(arg1)))
5411 goto efault;
5412 ret = get_errno(lstat(path(p), &st));
5413 unlock_user(p, arg1, 0);
5414 if (!is_error(ret))
5415 ret = host_to_target_stat64(cpu_env, arg2, &st);
5416 break;
5417#endif
5418#ifdef TARGET_NR_fstat64
5419 case TARGET_NR_fstat64:
5420 ret = get_errno(fstat(arg1, &st));
5421 if (!is_error(ret))
5422 ret = host_to_target_stat64(cpu_env, arg2, &st);
5423 break;
5424#endif
5425#if defined(TARGET_NR_fstatat64) && defined(__NR_fstatat64)
5426 case TARGET_NR_fstatat64:
5427 if (!(p = lock_user_string(arg2)))
5428 goto efault;
5429 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
5430 if (!is_error(ret))
5431 ret = host_to_target_stat64(cpu_env, arg3, &st);
5432 break;
5433#endif
5434#ifdef USE_UID16
5435 case TARGET_NR_lchown:
5436 if (!(p = lock_user_string(arg1)))
5437 goto efault;
5438 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
5439 unlock_user(p, arg1, 0);
5440 break;
5441 case TARGET_NR_getuid:
5442 ret = get_errno(high2lowuid(getuid()));
5443 break;
5444 case TARGET_NR_getgid:
5445 ret = get_errno(high2lowgid(getgid()));
5446 break;
5447 case TARGET_NR_geteuid:
5448 ret = get_errno(high2lowuid(geteuid()));
5449 break;
5450 case TARGET_NR_getegid:
5451 ret = get_errno(high2lowgid(getegid()));
5452 break;
5453 case TARGET_NR_setreuid:
5454 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
5455 break;
5456 case TARGET_NR_setregid:
5457 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
5458 break;
5459 case TARGET_NR_getgroups:
5460 {
5461 int gidsetsize = arg1;
5462 uint16_t *target_grouplist;
5463 gid_t *grouplist;
5464 int i;
5465
5466 grouplist = alloca(gidsetsize * sizeof(gid_t));
5467 ret = get_errno(getgroups(gidsetsize, grouplist));
5468 if (gidsetsize == 0)
5469 break;
5470 if (!is_error(ret)) {
5471 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
5472 if (!target_grouplist)
5473 goto efault;
5474 for(i = 0;i < ret; i++)
5475 target_grouplist[i] = tswap16(grouplist[i]);
5476 unlock_user(target_grouplist, arg2, gidsetsize * 2);
5477 }
5478 }
5479 break;
5480 case TARGET_NR_setgroups:
5481 {
5482 int gidsetsize = arg1;
5483 uint16_t *target_grouplist;
5484 gid_t *grouplist;
5485 int i;
5486
5487 grouplist = alloca(gidsetsize * sizeof(gid_t));
5488 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
5489 if (!target_grouplist) {
5490 ret = -TARGET_EFAULT;
5491 goto fail;
5492 }
5493 for(i = 0;i < gidsetsize; i++)
5494 grouplist[i] = tswap16(target_grouplist[i]);
5495 unlock_user(target_grouplist, arg2, 0);
5496 ret = get_errno(setgroups(gidsetsize, grouplist));
5497 }
5498 break;
5499 case TARGET_NR_fchown:
5500 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
5501 break;
5502#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
5503 case TARGET_NR_fchownat:
5504 if (!(p = lock_user_string(arg2)))
5505 goto efault;
5506 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
5507 unlock_user(p, arg2, 0);
5508 break;
5509#endif
5510#ifdef TARGET_NR_setresuid
5511 case TARGET_NR_setresuid:
5512 ret = get_errno(setresuid(low2highuid(arg1),
5513 low2highuid(arg2),
5514 low2highuid(arg3)));
5515 break;
5516#endif
5517#ifdef TARGET_NR_getresuid
5518 case TARGET_NR_getresuid:
5519 {
5520 uid_t ruid, euid, suid;
5521 ret = get_errno(getresuid(&ruid, &euid, &suid));
5522 if (!is_error(ret)) {
5523 if (put_user_u16(high2lowuid(ruid), arg1)
5524 || put_user_u16(high2lowuid(euid), arg2)
5525 || put_user_u16(high2lowuid(suid), arg3))
5526 goto efault;
5527 }
5528 }
5529 break;
5530#endif
5531#ifdef TARGET_NR_getresgid
5532 case TARGET_NR_setresgid:
5533 ret = get_errno(setresgid(low2highgid(arg1),
5534 low2highgid(arg2),
5535 low2highgid(arg3)));
5536 break;
5537#endif
5538#ifdef TARGET_NR_getresgid
5539 case TARGET_NR_getresgid:
5540 {
5541 gid_t rgid, egid, sgid;
5542 ret = get_errno(getresgid(&rgid, &egid, &sgid));
5543 if (!is_error(ret)) {
5544 if (put_user_u16(high2lowgid(rgid), arg1)
5545 || put_user_u16(high2lowgid(egid), arg2)
5546 || put_user_u16(high2lowgid(sgid), arg3))
5547 goto efault;
5548 }
5549 }
5550 break;
5551#endif
5552 case TARGET_NR_chown:
5553 if (!(p = lock_user_string(arg1)))
5554 goto efault;
5555 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
5556 unlock_user(p, arg1, 0);
5557 break;
5558 case TARGET_NR_setuid:
5559 ret = get_errno(setuid(low2highuid(arg1)));
5560 break;
5561 case TARGET_NR_setgid:
5562 ret = get_errno(setgid(low2highgid(arg1)));
5563 break;
5564 case TARGET_NR_setfsuid:
5565 ret = get_errno(setfsuid(arg1));
5566 break;
5567 case TARGET_NR_setfsgid:
5568 ret = get_errno(setfsgid(arg1));
5569 break;
5570#endif
5571
5572#ifdef TARGET_NR_lchown32
5573 case TARGET_NR_lchown32:
5574 if (!(p = lock_user_string(arg1)))
5575 goto efault;
5576 ret = get_errno(lchown(p, arg2, arg3));
5577 unlock_user(p, arg1, 0);
5578 break;
5579#endif
5580#ifdef TARGET_NR_getuid32
5581 case TARGET_NR_getuid32:
5582 ret = get_errno(getuid());
5583 break;
5584#endif
5585
5586#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
5587
5588 case TARGET_NR_getxuid:
5589 {
5590 uid_t euid;
5591 euid=geteuid();
5592 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
5593 }
5594 ret = get_errno(getuid());
5595 break;
5596#endif
5597#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
5598
5599 case TARGET_NR_getxgid:
5600 {
5601 uid_t egid;
5602 egid=getegid();
5603 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
5604 }
5605 ret = get_errno(getgid());
5606 break;
5607#endif
5608
5609#ifdef TARGET_NR_getgid32
5610 case TARGET_NR_getgid32:
5611 ret = get_errno(getgid());
5612 break;
5613#endif
5614#ifdef TARGET_NR_geteuid32
5615 case TARGET_NR_geteuid32:
5616 ret = get_errno(geteuid());
5617 break;
5618#endif
5619#ifdef TARGET_NR_getegid32
5620 case TARGET_NR_getegid32:
5621 ret = get_errno(getegid());
5622 break;
5623#endif
5624#ifdef TARGET_NR_setreuid32
5625 case TARGET_NR_setreuid32:
5626 ret = get_errno(setreuid(arg1, arg2));
5627 break;
5628#endif
5629#ifdef TARGET_NR_setregid32
5630 case TARGET_NR_setregid32:
5631 ret = get_errno(setregid(arg1, arg2));
5632 break;
5633#endif
5634#ifdef TARGET_NR_getgroups32
5635 case TARGET_NR_getgroups32:
5636 {
5637 int gidsetsize = arg1;
5638 uint32_t *target_grouplist;
5639 gid_t *grouplist;
5640 int i;
5641
5642 grouplist = alloca(gidsetsize * sizeof(gid_t));
5643 ret = get_errno(getgroups(gidsetsize, grouplist));
5644 if (gidsetsize == 0)
5645 break;
5646 if (!is_error(ret)) {
5647 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
5648 if (!target_grouplist) {
5649 ret = -TARGET_EFAULT;
5650 goto fail;
5651 }
5652 for(i = 0;i < ret; i++)
5653 target_grouplist[i] = tswap32(grouplist[i]);
5654 unlock_user(target_grouplist, arg2, gidsetsize * 4);
5655 }
5656 }
5657 break;
5658#endif
5659#ifdef TARGET_NR_setgroups32
5660 case TARGET_NR_setgroups32:
5661 {
5662 int gidsetsize = arg1;
5663 uint32_t *target_grouplist;
5664 gid_t *grouplist;
5665 int i;
5666
5667 grouplist = alloca(gidsetsize * sizeof(gid_t));
5668 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
5669 if (!target_grouplist) {
5670 ret = -TARGET_EFAULT;
5671 goto fail;
5672 }
5673 for(i = 0;i < gidsetsize; i++)
5674 grouplist[i] = tswap32(target_grouplist[i]);
5675 unlock_user(target_grouplist, arg2, 0);
5676 ret = get_errno(setgroups(gidsetsize, grouplist));
5677 }
5678 break;
5679#endif
5680#ifdef TARGET_NR_fchown32
5681 case TARGET_NR_fchown32:
5682 ret = get_errno(fchown(arg1, arg2, arg3));
5683 break;
5684#endif
5685#ifdef TARGET_NR_setresuid32
5686 case TARGET_NR_setresuid32:
5687 ret = get_errno(setresuid(arg1, arg2, arg3));
5688 break;
5689#endif
5690#ifdef TARGET_NR_getresuid32
5691 case TARGET_NR_getresuid32:
5692 {
5693 uid_t ruid, euid, suid;
5694 ret = get_errno(getresuid(&ruid, &euid, &suid));
5695 if (!is_error(ret)) {
5696 if (put_user_u32(ruid, arg1)
5697 || put_user_u32(euid, arg2)
5698 || put_user_u32(suid, arg3))
5699 goto efault;
5700 }
5701 }
5702 break;
5703#endif
5704#ifdef TARGET_NR_setresgid32
5705 case TARGET_NR_setresgid32:
5706 ret = get_errno(setresgid(arg1, arg2, arg3));
5707 break;
5708#endif
5709#ifdef TARGET_NR_getresgid32
5710 case TARGET_NR_getresgid32:
5711 {
5712 gid_t rgid, egid, sgid;
5713 ret = get_errno(getresgid(&rgid, &egid, &sgid));
5714 if (!is_error(ret)) {
5715 if (put_user_u32(rgid, arg1)
5716 || put_user_u32(egid, arg2)
5717 || put_user_u32(sgid, arg3))
5718 goto efault;
5719 }
5720 }
5721 break;
5722#endif
5723#ifdef TARGET_NR_chown32
5724 case TARGET_NR_chown32:
5725 if (!(p = lock_user_string(arg1)))
5726 goto efault;
5727 ret = get_errno(chown(p, arg2, arg3));
5728 unlock_user(p, arg1, 0);
5729 break;
5730#endif
5731#ifdef TARGET_NR_setuid32
5732 case TARGET_NR_setuid32:
5733 ret = get_errno(setuid(arg1));
5734 break;
5735#endif
5736#ifdef TARGET_NR_setgid32
5737 case TARGET_NR_setgid32:
5738 ret = get_errno(setgid(arg1));
5739 break;
5740#endif
5741#ifdef TARGET_NR_setfsuid32
5742 case TARGET_NR_setfsuid32:
5743 ret = get_errno(setfsuid(arg1));
5744 break;
5745#endif
5746#ifdef TARGET_NR_setfsgid32
5747 case TARGET_NR_setfsgid32:
5748 ret = get_errno(setfsgid(arg1));
5749 break;
5750#endif
5751
5752 case TARGET_NR_pivot_root:
5753 goto unimplemented;
5754#ifdef TARGET_NR_mincore
5755 case TARGET_NR_mincore:
5756 {
5757 void *a;
5758 ret = -TARGET_EFAULT;
5759 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
5760 goto efault;
5761 if (!(p = lock_user_string(arg3)))
5762 goto mincore_fail;
5763 ret = get_errno(mincore(a, arg2, p));
5764 unlock_user(p, arg3, ret);
5765 mincore_fail:
5766 unlock_user(a, arg1, 0);
5767 }
5768 break;
5769#endif
5770#ifdef TARGET_NR_arm_fadvise64_64
5771 case TARGET_NR_arm_fadvise64_64:
5772 {
5773
5774
5775
5776
5777 abi_long temp;
5778 temp = arg3;
5779 arg3 = arg4;
5780 arg4 = temp;
5781 }
5782#endif
5783#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
5784#ifdef TARGET_NR_fadvise64_64
5785 case TARGET_NR_fadvise64_64:
5786#endif
5787
5788 ret = get_errno(0);
5789 break;
5790#endif
5791#ifdef TARGET_NR_madvise
5792 case TARGET_NR_madvise:
5793
5794
5795
5796
5797 ret = get_errno(0);
5798 break;
5799#endif
5800#if TARGET_ABI_BITS == 32
5801 case TARGET_NR_fcntl64:
5802 {
5803 int cmd;
5804 struct flock64 fl;
5805 struct target_flock64 *target_fl;
5806#ifdef TARGET_ARM
5807 struct target_eabi_flock64 *target_efl;
5808#endif
5809
5810 switch(arg2){
5811 case TARGET_F_GETLK64:
5812 cmd = F_GETLK64;
5813 break;
5814 case TARGET_F_SETLK64:
5815 cmd = F_SETLK64;
5816 break;
5817 case TARGET_F_SETLKW64:
5818 cmd = F_SETLK64;
5819 break;
5820 default:
5821 cmd = arg2;
5822 break;
5823 }
5824
5825 switch(arg2) {
5826 case TARGET_F_GETLK64:
5827#ifdef TARGET_ARM
5828 if (((CPUARMState *)cpu_env)->eabi) {
5829 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
5830 goto efault;
5831 fl.l_type = tswap16(target_efl->l_type);
5832 fl.l_whence = tswap16(target_efl->l_whence);
5833 fl.l_start = tswap64(target_efl->l_start);
5834 fl.l_len = tswap64(target_efl->l_len);
5835 fl.l_pid = tswapl(target_efl->l_pid);
5836 unlock_user_struct(target_efl, arg3, 0);
5837 } else
5838#endif
5839 {
5840 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
5841 goto efault;
5842 fl.l_type = tswap16(target_fl->l_type);
5843 fl.l_whence = tswap16(target_fl->l_whence);
5844 fl.l_start = tswap64(target_fl->l_start);
5845 fl.l_len = tswap64(target_fl->l_len);
5846 fl.l_pid = tswapl(target_fl->l_pid);
5847 unlock_user_struct(target_fl, arg3, 0);
5848 }
5849 ret = get_errno(fcntl(arg1, cmd, &fl));
5850 if (ret == 0) {
5851#ifdef TARGET_ARM
5852 if (((CPUARMState *)cpu_env)->eabi) {
5853 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
5854 goto efault;
5855 target_efl->l_type = tswap16(fl.l_type);
5856 target_efl->l_whence = tswap16(fl.l_whence);
5857 target_efl->l_start = tswap64(fl.l_start);
5858 target_efl->l_len = tswap64(fl.l_len);
5859 target_efl->l_pid = tswapl(fl.l_pid);
5860 unlock_user_struct(target_efl, arg3, 1);
5861 } else
5862#endif
5863 {
5864 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
5865 goto efault;
5866 target_fl->l_type = tswap16(fl.l_type);
5867 target_fl->l_whence = tswap16(fl.l_whence);
5868 target_fl->l_start = tswap64(fl.l_start);
5869 target_fl->l_len = tswap64(fl.l_len);
5870 target_fl->l_pid = tswapl(fl.l_pid);
5871 unlock_user_struct(target_fl, arg3, 1);
5872 }
5873 }
5874 break;
5875
5876 case TARGET_F_SETLK64:
5877 case TARGET_F_SETLKW64:
5878#ifdef TARGET_ARM
5879 if (((CPUARMState *)cpu_env)->eabi) {
5880 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
5881 goto efault;
5882 fl.l_type = tswap16(target_efl->l_type);
5883 fl.l_whence = tswap16(target_efl->l_whence);
5884 fl.l_start = tswap64(target_efl->l_start);
5885 fl.l_len = tswap64(target_efl->l_len);
5886 fl.l_pid = tswapl(target_efl->l_pid);
5887 unlock_user_struct(target_efl, arg3, 0);
5888 } else
5889#endif
5890 {
5891 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
5892 goto efault;
5893 fl.l_type = tswap16(target_fl->l_type);
5894 fl.l_whence = tswap16(target_fl->l_whence);
5895 fl.l_start = tswap64(target_fl->l_start);
5896 fl.l_len = tswap64(target_fl->l_len);
5897 fl.l_pid = tswapl(target_fl->l_pid);
5898 unlock_user_struct(target_fl, arg3, 0);
5899 }
5900 ret = get_errno(fcntl(arg1, cmd, &fl));
5901 break;
5902 default:
5903 ret = do_fcntl(arg1, cmd, arg3);
5904 break;
5905 }
5906 break;
5907 }
5908#endif
5909#ifdef TARGET_NR_cacheflush
5910 case TARGET_NR_cacheflush:
5911
5912 ret = 0;
5913 break;
5914#endif
5915#ifdef TARGET_NR_security
5916 case TARGET_NR_security:
5917 goto unimplemented;
5918#endif
5919#ifdef TARGET_NR_getpagesize
5920 case TARGET_NR_getpagesize:
5921 ret = TARGET_PAGE_SIZE;
5922 break;
5923#endif
5924 case TARGET_NR_gettid:
5925 ret = get_errno(gettid());
5926 break;
5927#ifdef TARGET_NR_readahead
5928 case TARGET_NR_readahead:
5929#if TARGET_ABI_BITS == 32
5930#ifdef TARGET_ARM
5931 if (((CPUARMState *)cpu_env)->eabi)
5932 {
5933 arg2 = arg3;
5934 arg3 = arg4;
5935 arg4 = arg5;
5936 }
5937#endif
5938 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
5939#else
5940 ret = get_errno(readahead(arg1, arg2, arg3));
5941#endif
5942 break;
5943#endif
5944#ifdef TARGET_NR_setxattr
5945 case TARGET_NR_setxattr:
5946 case TARGET_NR_lsetxattr:
5947 case TARGET_NR_fsetxattr:
5948 case TARGET_NR_getxattr:
5949 case TARGET_NR_lgetxattr:
5950 case TARGET_NR_fgetxattr:
5951 case TARGET_NR_listxattr:
5952 case TARGET_NR_llistxattr:
5953 case TARGET_NR_flistxattr:
5954 case TARGET_NR_removexattr:
5955 case TARGET_NR_lremovexattr:
5956 case TARGET_NR_fremovexattr:
5957 goto unimplemented_nowarn;
5958#endif
5959#ifdef TARGET_NR_set_thread_area
5960 case TARGET_NR_set_thread_area:
5961#if defined(TARGET_MIPS)
5962 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
5963 ret = 0;
5964 break;
5965#elif defined(TARGET_CRIS)
5966 if (arg1 & 0xff)
5967 ret = -TARGET_EINVAL;
5968 else {
5969 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
5970 ret = 0;
5971 }
5972 break;
5973#elif defined(TARGET_I386) && defined(TARGET_ABI32)
5974 ret = do_set_thread_area(cpu_env, arg1);
5975 break;
5976#else
5977 goto unimplemented_nowarn;
5978#endif
5979#endif
5980#ifdef TARGET_NR_get_thread_area
5981 case TARGET_NR_get_thread_area:
5982#if defined(TARGET_I386) && defined(TARGET_ABI32)
5983 ret = do_get_thread_area(cpu_env, arg1);
5984#else
5985 goto unimplemented_nowarn;
5986#endif
5987#endif
5988#ifdef TARGET_NR_getdomainname
5989 case TARGET_NR_getdomainname:
5990 goto unimplemented_nowarn;
5991#endif
5992
5993#ifdef TARGET_NR_clock_gettime
5994 case TARGET_NR_clock_gettime:
5995 {
5996 struct timespec ts;
5997 ret = get_errno(clock_gettime(arg1, &ts));
5998 if (!is_error(ret)) {
5999 host_to_target_timespec(arg2, &ts);
6000 }
6001 break;
6002 }
6003#endif
6004#ifdef TARGET_NR_clock_getres
6005 case TARGET_NR_clock_getres:
6006 {
6007 struct timespec ts;
6008 ret = get_errno(clock_getres(arg1, &ts));
6009 if (!is_error(ret)) {
6010 host_to_target_timespec(arg2, &ts);
6011 }
6012 break;
6013 }
6014#endif
6015#ifdef TARGET_NR_clock_nanosleep
6016 case TARGET_NR_clock_nanosleep:
6017 {
6018 struct timespec ts;
6019 target_to_host_timespec(&ts, arg3);
6020 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
6021 if (arg4)
6022 host_to_target_timespec(arg4, &ts);
6023 break;
6024 }
6025#endif
6026
6027#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6028 case TARGET_NR_set_tid_address:
6029 ret = get_errno(set_tid_address((int *)g2h(arg1)));
6030 break;
6031#endif
6032
6033#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
6034 case TARGET_NR_tkill:
6035 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
6036 break;
6037#endif
6038
6039#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
6040 case TARGET_NR_tgkill:
6041 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
6042 target_to_host_signal(arg3)));
6043 break;
6044#endif
6045
6046#ifdef TARGET_NR_set_robust_list
6047 case TARGET_NR_set_robust_list:
6048 goto unimplemented_nowarn;
6049#endif
6050
6051#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6052 case TARGET_NR_utimensat:
6053 {
6054 struct timespec ts[2];
6055 target_to_host_timespec(ts, arg3);
6056 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6057 if (!arg2)
6058 ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
6059 else {
6060 if (!(p = lock_user_string(arg2))) {
6061 ret = -TARGET_EFAULT;
6062 goto fail;
6063 }
6064 ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4));
6065 unlock_user(p, arg2, 0);
6066 }
6067 }
6068 break;
6069#endif
6070#if defined(USE_NPTL)
6071 case TARGET_NR_futex:
6072 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
6073 break;
6074#endif
6075#ifdef TARGET_NR_inotify_init
6076 case TARGET_NR_inotify_init:
6077 ret = get_errno(sys_inotify_init());
6078 break;
6079#endif
6080#ifdef TARGET_NR_inotify_add_watch
6081 case TARGET_NR_inotify_add_watch:
6082 p = lock_user_string(arg2);
6083 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
6084 unlock_user(p, arg2, 0);
6085 break;
6086#endif
6087#ifdef TARGET_NR_inotify_rm_watch
6088 case TARGET_NR_inotify_rm_watch:
6089 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
6090 break;
6091#endif
6092
6093 default:
6094 unimplemented:
6095 gemu_log("qemu: Unsupported syscall: %d\n", num);
6096#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
6097 unimplemented_nowarn:
6098#endif
6099 ret = -TARGET_ENOSYS;
6100 break;
6101 }
6102fail:
6103#ifdef DEBUG
6104 gemu_log(" = %ld\n", ret);
6105#endif
6106 if(do_strace)
6107 print_syscall_ret(num, ret);
6108 return ret;
6109efault:
6110 ret = -TARGET_EFAULT;
6111 goto fail;
6112}
6113
