4 * Copyright (c) 2003 Fabrice Bellard
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 #define _ATFILE_SOURCE
32 #include <sys/types.h>
38 #include <sys/mount.h>
40 #include <sys/fsuid.h>
41 #include <sys/personality.h>
42 #include <sys/prctl.h>
43 #include <sys/resource.h>
49 int __clone2(int (*fn
)(void *), void *child_stack_base
,
50 size_t stack_size
, int flags
, void *arg
, ...);
52 #include <sys/socket.h>
56 #include <sys/times.h>
59 #include <sys/statfs.h>
61 #include <sys/sysinfo.h>
62 #include <sys/utsname.h>
63 //#include <sys/user.h>
64 #include <netinet/ip.h>
65 #include <netinet/tcp.h>
66 #include <linux/wireless.h>
67 #include <linux/icmp.h>
68 #include "qemu-common.h"
73 #include <sys/eventfd.h>
76 #include <sys/epoll.h>
79 #include "qemu/xattr.h"
81 #ifdef CONFIG_SENDFILE
82 #include <sys/sendfile.h>
85 #define termios host_termios
86 #define winsize host_winsize
87 #define termio host_termio
88 #define sgttyb host_sgttyb /* same as target */
89 #define tchars host_tchars /* same as target */
90 #define ltchars host_ltchars /* same as target */
92 #include <linux/termios.h>
93 #include <linux/unistd.h>
94 #include <linux/utsname.h>
95 #include <linux/cdrom.h>
96 #include <linux/hdreg.h>
97 #include <linux/soundcard.h>
99 #include <linux/mtio.h>
100 #include <linux/fs.h>
101 #if defined(CONFIG_FIEMAP)
102 #include <linux/fiemap.h>
104 #include <linux/fb.h>
105 #include <linux/vt.h>
106 #include <linux/dm-ioctl.h>
107 #include <linux/reboot.h>
108 #include "linux_loop.h"
109 #include "cpu-uname.h"
113 #if defined(CONFIG_USE_NPTL)
114 #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
115 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
117 /* XXX: Hardcode the above values. */
118 #define CLONE_NPTL_FLAGS2 0
123 //#include <linux/msdos_fs.h>
124 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
125 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
136 #define _syscall0(type,name) \
137 static type name (void) \
139 return syscall(__NR_##name); \
142 #define _syscall1(type,name,type1,arg1) \
143 static type name (type1 arg1) \
145 return syscall(__NR_##name, arg1); \
148 #define _syscall2(type,name,type1,arg1,type2,arg2) \
149 static type name (type1 arg1,type2 arg2) \
151 return syscall(__NR_##name, arg1, arg2); \
154 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
155 static type name (type1 arg1,type2 arg2,type3 arg3) \
157 return syscall(__NR_##name, arg1, arg2, arg3); \
160 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
161 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
163 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
166 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
168 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
170 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
174 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
175 type5,arg5,type6,arg6) \
176 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
179 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
183 #define __NR_sys_uname __NR_uname
184 #define __NR_sys_getcwd1 __NR_getcwd
185 #define __NR_sys_getdents __NR_getdents
186 #define __NR_sys_getdents64 __NR_getdents64
187 #define __NR_sys_getpriority __NR_getpriority
188 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
189 #define __NR_sys_syslog __NR_syslog
190 #define __NR_sys_tgkill __NR_tgkill
191 #define __NR_sys_tkill __NR_tkill
192 #define __NR_sys_futex __NR_futex
193 #define __NR_sys_inotify_init __NR_inotify_init
194 #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
195 #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
197 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \
199 #define __NR__llseek __NR_lseek
203 _syscall0(int, gettid
)
205 /* This is a replacement for the host gettid() and must return a host
207 static int gettid(void) {
212 _syscall3(int, sys_getdents
, uint
, fd
, struct linux_dirent
*, dirp
, uint
, count
);
214 #if !defined(__NR_getdents) || \
215 (defined(TARGET_NR_getdents64) && defined(__NR_getdents64))
216 _syscall3(int, sys_getdents64
, uint
, fd
, struct linux_dirent64
*, dirp
, uint
, count
);
218 #if defined(TARGET_NR__llseek) && defined(__NR_llseek)
219 _syscall5(int, _llseek
, uint
, fd
, ulong
, hi
, ulong
, lo
,
220 loff_t
*, res
, uint
, wh
);
222 _syscall3(int,sys_rt_sigqueueinfo
,int,pid
,int,sig
,siginfo_t
*,uinfo
)
223 _syscall3(int,sys_syslog
,int,type
,char*,bufp
,int,len
)
224 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
225 _syscall3(int,sys_tgkill
,int,tgid
,int,pid
,int,sig
)
227 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
228 _syscall2(int,sys_tkill
,int,tid
,int,sig
)
230 #ifdef __NR_exit_group
231 _syscall1(int,exit_group
,int,error_code
)
233 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
234 _syscall1(int,set_tid_address
,int *,tidptr
)
236 #if defined(CONFIG_USE_NPTL)
237 #if defined(TARGET_NR_futex) && defined(__NR_futex)
238 _syscall6(int,sys_futex
,int *,uaddr
,int,op
,int,val
,
239 const struct timespec
*,timeout
,int *,uaddr2
,int,val3
)
242 #define __NR_sys_sched_getaffinity __NR_sched_getaffinity
243 _syscall3(int, sys_sched_getaffinity
, pid_t
, pid
, unsigned int, len
,
244 unsigned long *, user_mask_ptr
);
245 #define __NR_sys_sched_setaffinity __NR_sched_setaffinity
246 _syscall3(int, sys_sched_setaffinity
, pid_t
, pid
, unsigned int, len
,
247 unsigned long *, user_mask_ptr
);
248 _syscall4(int, reboot
, int, magic1
, int, magic2
, unsigned int, cmd
,
251 static bitmask_transtbl fcntl_flags_tbl
[] = {
252 { TARGET_O_ACCMODE
, TARGET_O_WRONLY
, O_ACCMODE
, O_WRONLY
, },
253 { TARGET_O_ACCMODE
, TARGET_O_RDWR
, O_ACCMODE
, O_RDWR
, },
254 { TARGET_O_CREAT
, TARGET_O_CREAT
, O_CREAT
, O_CREAT
, },
255 { TARGET_O_EXCL
, TARGET_O_EXCL
, O_EXCL
, O_EXCL
, },
256 { TARGET_O_NOCTTY
, TARGET_O_NOCTTY
, O_NOCTTY
, O_NOCTTY
, },
257 { TARGET_O_TRUNC
, TARGET_O_TRUNC
, O_TRUNC
, O_TRUNC
, },
258 { TARGET_O_APPEND
, TARGET_O_APPEND
, O_APPEND
, O_APPEND
, },
259 { TARGET_O_NONBLOCK
, TARGET_O_NONBLOCK
, O_NONBLOCK
, O_NONBLOCK
, },
260 { TARGET_O_SYNC
, TARGET_O_DSYNC
, O_SYNC
, O_DSYNC
, },
261 { TARGET_O_SYNC
, TARGET_O_SYNC
, O_SYNC
, O_SYNC
, },
262 { TARGET_FASYNC
, TARGET_FASYNC
, FASYNC
, FASYNC
, },
263 { TARGET_O_DIRECTORY
, TARGET_O_DIRECTORY
, O_DIRECTORY
, O_DIRECTORY
, },
264 { TARGET_O_NOFOLLOW
, TARGET_O_NOFOLLOW
, O_NOFOLLOW
, O_NOFOLLOW
, },
265 #if defined(O_DIRECT)
266 { TARGET_O_DIRECT
, TARGET_O_DIRECT
, O_DIRECT
, O_DIRECT
, },
268 #if defined(O_NOATIME)
269 { TARGET_O_NOATIME
, TARGET_O_NOATIME
, O_NOATIME
, O_NOATIME
},
271 #if defined(O_CLOEXEC)
272 { TARGET_O_CLOEXEC
, TARGET_O_CLOEXEC
, O_CLOEXEC
, O_CLOEXEC
},
275 { TARGET_O_PATH
, TARGET_O_PATH
, O_PATH
, O_PATH
},
277 /* Don't terminate the list prematurely on 64-bit host+guest. */
278 #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
279 { TARGET_O_LARGEFILE
, TARGET_O_LARGEFILE
, O_LARGEFILE
, O_LARGEFILE
, },
284 #define COPY_UTSNAME_FIELD(dest, src) \
286 /* __NEW_UTS_LEN doesn't include terminating null */ \
287 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
288 (dest)[__NEW_UTS_LEN] = '\0'; \
291 static int sys_uname(struct new_utsname
*buf
)
293 struct utsname uts_buf
;
295 if (uname(&uts_buf
) < 0)
299 * Just in case these have some differences, we
300 * translate utsname to new_utsname (which is the
301 * struct linux kernel uses).
304 memset(buf
, 0, sizeof(*buf
));
305 COPY_UTSNAME_FIELD(buf
->sysname
, uts_buf
.sysname
);
306 COPY_UTSNAME_FIELD(buf
->nodename
, uts_buf
.nodename
);
307 COPY_UTSNAME_FIELD(buf
->release
, uts_buf
.release
);
308 COPY_UTSNAME_FIELD(buf
->version
, uts_buf
.version
);
309 COPY_UTSNAME_FIELD(buf
->machine
, uts_buf
.machine
);
311 COPY_UTSNAME_FIELD(buf
->domainname
, uts_buf
.domainname
);
315 #undef COPY_UTSNAME_FIELD
318 static int sys_getcwd1(char *buf
, size_t size
)
320 if (getcwd(buf
, size
) == NULL
) {
321 /* getcwd() sets errno */
324 return strlen(buf
)+1;
327 #ifdef TARGET_NR_openat
328 static int sys_openat(int dirfd
, const char *pathname
, int flags
, mode_t mode
)
331 * open(2) has extra parameter 'mode' when called with
334 if ((flags
& O_CREAT
) != 0) {
335 return (openat(dirfd
, pathname
, flags
, mode
));
337 return (openat(dirfd
, pathname
, flags
));
341 #ifdef CONFIG_UTIMENSAT
342 static int sys_utimensat(int dirfd
, const char *pathname
,
343 const struct timespec times
[2], int flags
)
345 if (pathname
== NULL
)
346 return futimens(dirfd
, times
);
348 return utimensat(dirfd
, pathname
, times
, flags
);
351 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
352 _syscall4(int,sys_utimensat
,int,dirfd
,const char *,pathname
,
353 const struct timespec
*,tsp
,int,flags
)
355 #endif /* CONFIG_UTIMENSAT */
357 #ifdef CONFIG_INOTIFY
358 #include <sys/inotify.h>
360 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
361 static int sys_inotify_init(void)
363 return (inotify_init());
366 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
367 static int sys_inotify_add_watch(int fd
,const char *pathname
, int32_t mask
)
369 return (inotify_add_watch(fd
, pathname
, mask
));
372 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
373 static int sys_inotify_rm_watch(int fd
, int32_t wd
)
375 return (inotify_rm_watch(fd
, wd
));
378 #ifdef CONFIG_INOTIFY1
379 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
380 static int sys_inotify_init1(int flags
)
382 return (inotify_init1(flags
));
387 /* Userspace can usually survive runtime without inotify */
388 #undef TARGET_NR_inotify_init
389 #undef TARGET_NR_inotify_init1
390 #undef TARGET_NR_inotify_add_watch
391 #undef TARGET_NR_inotify_rm_watch
392 #endif /* CONFIG_INOTIFY */
394 #if defined(TARGET_NR_ppoll)
396 # define __NR_ppoll -1
398 #define __NR_sys_ppoll __NR_ppoll
399 _syscall5(int, sys_ppoll
, struct pollfd
*, fds
, nfds_t
, nfds
,
400 struct timespec
*, timeout
, const __sigset_t
*, sigmask
,
404 #if defined(TARGET_NR_pselect6)
405 #ifndef __NR_pselect6
406 # define __NR_pselect6 -1
408 #define __NR_sys_pselect6 __NR_pselect6
409 _syscall6(int, sys_pselect6
, int, nfds
, fd_set
*, readfds
, fd_set
*, writefds
,
410 fd_set
*, exceptfds
, struct timespec
*, timeout
, void *, sig
);
413 #if defined(TARGET_NR_prlimit64)
414 #ifndef __NR_prlimit64
415 # define __NR_prlimit64 -1
417 #define __NR_sys_prlimit64 __NR_prlimit64
418 /* The glibc rlimit structure may not be that used by the underlying syscall */
419 struct host_rlimit64
{
423 _syscall4(int, sys_prlimit64
, pid_t
, pid
, int, resource
,
424 const struct host_rlimit64
*, new_limit
,
425 struct host_rlimit64
*, old_limit
)
428 /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
430 static inline int regpairs_aligned(void *cpu_env
) {
431 return ((((CPUARMState
*)cpu_env
)->eabi
) == 1) ;
433 #elif defined(TARGET_MIPS)
434 static inline int regpairs_aligned(void *cpu_env
) { return 1; }
435 #elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
436 /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs
437 * of registers which translates to the same as ARM/MIPS, because we start with
439 static inline int regpairs_aligned(void *cpu_env
) { return 1; }
441 static inline int regpairs_aligned(void *cpu_env
) { return 0; }
444 #define ERRNO_TABLE_SIZE 1200
446 /* target_to_host_errno_table[] is initialized from
447 * host_to_target_errno_table[] in syscall_init(). */
448 static uint16_t target_to_host_errno_table
[ERRNO_TABLE_SIZE
] = {
452 * This list is the union of errno values overridden in asm-<arch>/errno.h
453 * minus the errnos that are not actually generic to all archs.
455 static uint16_t host_to_target_errno_table
[ERRNO_TABLE_SIZE
] = {
456 [EIDRM
] = TARGET_EIDRM
,
457 [ECHRNG
] = TARGET_ECHRNG
,
458 [EL2NSYNC
] = TARGET_EL2NSYNC
,
459 [EL3HLT
] = TARGET_EL3HLT
,
460 [EL3RST
] = TARGET_EL3RST
,
461 [ELNRNG
] = TARGET_ELNRNG
,
462 [EUNATCH
] = TARGET_EUNATCH
,
463 [ENOCSI
] = TARGET_ENOCSI
,
464 [EL2HLT
] = TARGET_EL2HLT
,
465 [EDEADLK
] = TARGET_EDEADLK
,
466 [ENOLCK
] = TARGET_ENOLCK
,
467 [EBADE
] = TARGET_EBADE
,
468 [EBADR
] = TARGET_EBADR
,
469 [EXFULL
] = TARGET_EXFULL
,
470 [ENOANO
] = TARGET_ENOANO
,
471 [EBADRQC
] = TARGET_EBADRQC
,
472 [EBADSLT
] = TARGET_EBADSLT
,
473 [EBFONT
] = TARGET_EBFONT
,
474 [ENOSTR
] = TARGET_ENOSTR
,
475 [ENODATA
] = TARGET_ENODATA
,
476 [ETIME
] = TARGET_ETIME
,
477 [ENOSR
] = TARGET_ENOSR
,
478 [ENONET
] = TARGET_ENONET
,
479 [ENOPKG
] = TARGET_ENOPKG
,
480 [EREMOTE
] = TARGET_EREMOTE
,
481 [ENOLINK
] = TARGET_ENOLINK
,
482 [EADV
] = TARGET_EADV
,
483 [ESRMNT
] = TARGET_ESRMNT
,
484 [ECOMM
] = TARGET_ECOMM
,
485 [EPROTO
] = TARGET_EPROTO
,
486 [EDOTDOT
] = TARGET_EDOTDOT
,
487 [EMULTIHOP
] = TARGET_EMULTIHOP
,
488 [EBADMSG
] = TARGET_EBADMSG
,
489 [ENAMETOOLONG
] = TARGET_ENAMETOOLONG
,
490 [EOVERFLOW
] = TARGET_EOVERFLOW
,
491 [ENOTUNIQ
] = TARGET_ENOTUNIQ
,
492 [EBADFD
] = TARGET_EBADFD
,
493 [EREMCHG
] = TARGET_EREMCHG
,
494 [ELIBACC
] = TARGET_ELIBACC
,
495 [ELIBBAD
] = TARGET_ELIBBAD
,
496 [ELIBSCN
] = TARGET_ELIBSCN
,
497 [ELIBMAX
] = TARGET_ELIBMAX
,
498 [ELIBEXEC
] = TARGET_ELIBEXEC
,
499 [EILSEQ
] = TARGET_EILSEQ
,
500 [ENOSYS
] = TARGET_ENOSYS
,
501 [ELOOP
] = TARGET_ELOOP
,
502 [ERESTART
] = TARGET_ERESTART
,
503 [ESTRPIPE
] = TARGET_ESTRPIPE
,
504 [ENOTEMPTY
] = TARGET_ENOTEMPTY
,
505 [EUSERS
] = TARGET_EUSERS
,
506 [ENOTSOCK
] = TARGET_ENOTSOCK
,
507 [EDESTADDRREQ
] = TARGET_EDESTADDRREQ
,
508 [EMSGSIZE
] = TARGET_EMSGSIZE
,
509 [EPROTOTYPE
] = TARGET_EPROTOTYPE
,
510 [ENOPROTOOPT
] = TARGET_ENOPROTOOPT
,
511 [EPROTONOSUPPORT
] = TARGET_EPROTONOSUPPORT
,
512 [ESOCKTNOSUPPORT
] = TARGET_ESOCKTNOSUPPORT
,
513 [EOPNOTSUPP
] = TARGET_EOPNOTSUPP
,
514 [EPFNOSUPPORT
] = TARGET_EPFNOSUPPORT
,
515 [EAFNOSUPPORT
] = TARGET_EAFNOSUPPORT
,
516 [EADDRINUSE
] = TARGET_EADDRINUSE
,
517 [EADDRNOTAVAIL
] = TARGET_EADDRNOTAVAIL
,
518 [ENETDOWN
] = TARGET_ENETDOWN
,
519 [ENETUNREACH
] = TARGET_ENETUNREACH
,
520 [ENETRESET
] = TARGET_ENETRESET
,
521 [ECONNABORTED
] = TARGET_ECONNABORTED
,
522 [ECONNRESET
] = TARGET_ECONNRESET
,
523 [ENOBUFS
] = TARGET_ENOBUFS
,
524 [EISCONN
] = TARGET_EISCONN
,
525 [ENOTCONN
] = TARGET_ENOTCONN
,
526 [EUCLEAN
] = TARGET_EUCLEAN
,
527 [ENOTNAM
] = TARGET_ENOTNAM
,
528 [ENAVAIL
] = TARGET_ENAVAIL
,
529 [EISNAM
] = TARGET_EISNAM
,
530 [EREMOTEIO
] = TARGET_EREMOTEIO
,
531 [ESHUTDOWN
] = TARGET_ESHUTDOWN
,
532 [ETOOMANYREFS
] = TARGET_ETOOMANYREFS
,
533 [ETIMEDOUT
] = TARGET_ETIMEDOUT
,
534 [ECONNREFUSED
] = TARGET_ECONNREFUSED
,
535 [EHOSTDOWN
] = TARGET_EHOSTDOWN
,
536 [EHOSTUNREACH
] = TARGET_EHOSTUNREACH
,
537 [EALREADY
] = TARGET_EALREADY
,
538 [EINPROGRESS
] = TARGET_EINPROGRESS
,
539 [ESTALE
] = TARGET_ESTALE
,
540 [ECANCELED
] = TARGET_ECANCELED
,
541 [ENOMEDIUM
] = TARGET_ENOMEDIUM
,
542 [EMEDIUMTYPE
] = TARGET_EMEDIUMTYPE
,
544 [ENOKEY
] = TARGET_ENOKEY
,
547 [EKEYEXPIRED
] = TARGET_EKEYEXPIRED
,
550 [EKEYREVOKED
] = TARGET_EKEYREVOKED
,
553 [EKEYREJECTED
] = TARGET_EKEYREJECTED
,
556 [EOWNERDEAD
] = TARGET_EOWNERDEAD
,
558 #ifdef ENOTRECOVERABLE
559 [ENOTRECOVERABLE
] = TARGET_ENOTRECOVERABLE
,
563 static inline int host_to_target_errno(int err
)
565 if(host_to_target_errno_table
[err
])
566 return host_to_target_errno_table
[err
];
570 static inline int target_to_host_errno(int err
)
572 if (target_to_host_errno_table
[err
])
573 return target_to_host_errno_table
[err
];
577 static inline abi_long
get_errno(abi_long ret
)
580 return -host_to_target_errno(errno
);
585 static inline int is_error(abi_long ret
)
587 return (abi_ulong
)ret
>= (abi_ulong
)(-4096);
590 char *target_strerror(int err
)
592 if ((err
>= ERRNO_TABLE_SIZE
) || (err
< 0)) {
595 return strerror(target_to_host_errno(err
));
598 static abi_ulong target_brk
;
599 static abi_ulong target_original_brk
;
600 static abi_ulong brk_page
;
602 void target_set_brk(abi_ulong new_brk
)
604 target_original_brk
= target_brk
= HOST_PAGE_ALIGN(new_brk
);
605 brk_page
= HOST_PAGE_ALIGN(target_brk
);
608 //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0)
609 #define DEBUGF_BRK(message, args...)
611 /* do_brk() must return target values and target errnos. */
612 abi_long
do_brk(abi_ulong new_brk
)
614 abi_long mapped_addr
;
617 DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx
") -> ", new_brk
);
620 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (!new_brk)\n", target_brk
);
623 if (new_brk
< target_original_brk
) {
624 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (new_brk < target_original_brk)\n",
629 /* If the new brk is less than the highest page reserved to the
630 * target heap allocation, set it and we're almost done... */
631 if (new_brk
<= brk_page
) {
632 /* Heap contents are initialized to zero, as for anonymous
634 if (new_brk
> target_brk
) {
635 memset(g2h(target_brk
), 0, new_brk
- target_brk
);
637 target_brk
= new_brk
;
638 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (new_brk <= brk_page)\n", target_brk
);
642 /* We need to allocate more memory after the brk... Note that
643 * we don't use MAP_FIXED because that will map over the top of
644 * any existing mapping (like the one with the host libc or qemu
645 * itself); instead we treat "mapped but at wrong address" as
646 * a failure and unmap again.
648 new_alloc_size
= HOST_PAGE_ALIGN(new_brk
- brk_page
);
649 mapped_addr
= get_errno(target_mmap(brk_page
, new_alloc_size
,
650 PROT_READ
|PROT_WRITE
,
651 MAP_ANON
|MAP_PRIVATE
, 0, 0));
653 if (mapped_addr
== brk_page
) {
654 /* Heap contents are initialized to zero, as for anonymous
655 * mapped pages. Technically the new pages are already
656 * initialized to zero since they *are* anonymous mapped
657 * pages, however we have to take care with the contents that
658 * come from the remaining part of the previous page: it may
659 * contains garbage data due to a previous heap usage (grown
661 memset(g2h(target_brk
), 0, brk_page
- target_brk
);
663 target_brk
= new_brk
;
664 brk_page
= HOST_PAGE_ALIGN(target_brk
);
665 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (mapped_addr == brk_page)\n",
668 } else if (mapped_addr
!= -1) {
669 /* Mapped but at wrong address, meaning there wasn't actually
670 * enough space for this brk.
672 target_munmap(mapped_addr
, new_alloc_size
);
674 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (mapped_addr != -1)\n", target_brk
);
677 DEBUGF_BRK(TARGET_ABI_FMT_lx
" (otherwise)\n", target_brk
);
680 #if defined(TARGET_ALPHA)
681 /* We (partially) emulate OSF/1 on Alpha, which requires we
682 return a proper errno, not an unchanged brk value. */
683 return -TARGET_ENOMEM
;
685 /* For everything else, return the previous break. */
689 static inline abi_long
copy_from_user_fdset(fd_set
*fds
,
690 abi_ulong target_fds_addr
,
694 abi_ulong b
, *target_fds
;
696 nw
= (n
+ TARGET_ABI_BITS
- 1) / TARGET_ABI_BITS
;
697 if (!(target_fds
= lock_user(VERIFY_READ
,
699 sizeof(abi_ulong
) * nw
,
701 return -TARGET_EFAULT
;
705 for (i
= 0; i
< nw
; i
++) {
706 /* grab the abi_ulong */
707 __get_user(b
, &target_fds
[i
]);
708 for (j
= 0; j
< TARGET_ABI_BITS
; j
++) {
709 /* check the bit inside the abi_ulong */
716 unlock_user(target_fds
, target_fds_addr
, 0);
721 static inline abi_ulong
copy_from_user_fdset_ptr(fd_set
*fds
, fd_set
**fds_ptr
,
722 abi_ulong target_fds_addr
,
725 if (target_fds_addr
) {
726 if (copy_from_user_fdset(fds
, target_fds_addr
, n
))
727 return -TARGET_EFAULT
;
735 static inline abi_long
copy_to_user_fdset(abi_ulong target_fds_addr
,
741 abi_ulong
*target_fds
;
743 nw
= (n
+ TARGET_ABI_BITS
- 1) / TARGET_ABI_BITS
;
744 if (!(target_fds
= lock_user(VERIFY_WRITE
,
746 sizeof(abi_ulong
) * nw
,
748 return -TARGET_EFAULT
;
751 for (i
= 0; i
< nw
; i
++) {
753 for (j
= 0; j
< TARGET_ABI_BITS
; j
++) {
754 v
|= ((abi_ulong
)(FD_ISSET(k
, fds
) != 0) << j
);
757 __put_user(v
, &target_fds
[i
]);
760 unlock_user(target_fds
, target_fds_addr
, sizeof(abi_ulong
) * nw
);
765 #if defined(__alpha__)
771 static inline abi_long
host_to_target_clock_t(long ticks
)
773 #if HOST_HZ == TARGET_HZ
776 return ((int64_t)ticks
* TARGET_HZ
) / HOST_HZ
;
780 static inline abi_long
host_to_target_rusage(abi_ulong target_addr
,
781 const struct rusage
*rusage
)
783 struct target_rusage
*target_rusage
;
785 if (!lock_user_struct(VERIFY_WRITE
, target_rusage
, target_addr
, 0))
786 return -TARGET_EFAULT
;
787 target_rusage
->ru_utime
.tv_sec
= tswapal(rusage
->ru_utime
.tv_sec
);
788 target_rusage
->ru_utime
.tv_usec
= tswapal(rusage
->ru_utime
.tv_usec
);
789 target_rusage
->ru_stime
.tv_sec
= tswapal(rusage
->ru_stime
.tv_sec
);
790 target_rusage
->ru_stime
.tv_usec
= tswapal(rusage
->ru_stime
.tv_usec
);
791 target_rusage
->ru_maxrss
= tswapal(rusage
->ru_maxrss
);
792 target_rusage
->ru_ixrss
= tswapal(rusage
->ru_ixrss
);
793 target_rusage
->ru_idrss
= tswapal(rusage
->ru_idrss
);
794 target_rusage
->ru_isrss
= tswapal(rusage
->ru_isrss
);
795 target_rusage
->ru_minflt
= tswapal(rusage
->ru_minflt
);
796 target_rusage
->ru_majflt
= tswapal(rusage
->ru_majflt
);
797 target_rusage
->ru_nswap
= tswapal(rusage
->ru_nswap
);
798 target_rusage
->ru_inblock
= tswapal(rusage
->ru_inblock
);
799 target_rusage
->ru_oublock
= tswapal(rusage
->ru_oublock
);
800 target_rusage
->ru_msgsnd
= tswapal(rusage
->ru_msgsnd
);
801 target_rusage
->ru_msgrcv
= tswapal(rusage
->ru_msgrcv
);
802 target_rusage
->ru_nsignals
= tswapal(rusage
->ru_nsignals
);
803 target_rusage
->ru_nvcsw
= tswapal(rusage
->ru_nvcsw
);
804 target_rusage
->ru_nivcsw
= tswapal(rusage
->ru_nivcsw
);
805 unlock_user_struct(target_rusage
, target_addr
, 1);
810 static inline rlim_t
target_to_host_rlim(abi_ulong target_rlim
)
812 abi_ulong target_rlim_swap
;
815 target_rlim_swap
= tswapal(target_rlim
);
816 if (target_rlim_swap
== TARGET_RLIM_INFINITY
)
817 return RLIM_INFINITY
;
819 result
= target_rlim_swap
;
820 if (target_rlim_swap
!= (rlim_t
)result
)
821 return RLIM_INFINITY
;
826 static inline abi_ulong
host_to_target_rlim(rlim_t rlim
)
828 abi_ulong target_rlim_swap
;
831 if (rlim
== RLIM_INFINITY
|| rlim
!= (abi_long
)rlim
)
832 target_rlim_swap
= TARGET_RLIM_INFINITY
;
834 target_rlim_swap
= rlim
;
835 result
= tswapal(target_rlim_swap
);
840 static inline int target_to_host_resource(int code
)
843 case TARGET_RLIMIT_AS
:
845 case TARGET_RLIMIT_CORE
:
847 case TARGET_RLIMIT_CPU
:
849 case TARGET_RLIMIT_DATA
:
851 case TARGET_RLIMIT_FSIZE
:
853 case TARGET_RLIMIT_LOCKS
:
855 case TARGET_RLIMIT_MEMLOCK
:
856 return RLIMIT_MEMLOCK
;
857 case TARGET_RLIMIT_MSGQUEUE
:
858 return RLIMIT_MSGQUEUE
;
859 case TARGET_RLIMIT_NICE
:
861 case TARGET_RLIMIT_NOFILE
:
862 return RLIMIT_NOFILE
;
863 case TARGET_RLIMIT_NPROC
:
865 case TARGET_RLIMIT_RSS
:
867 case TARGET_RLIMIT_RTPRIO
:
868 return RLIMIT_RTPRIO
;
869 case TARGET_RLIMIT_SIGPENDING
:
870 return RLIMIT_SIGPENDING
;
871 case TARGET_RLIMIT_STACK
:
878 static inline abi_long
copy_from_user_timeval(struct timeval
*tv
,
879 abi_ulong target_tv_addr
)
881 struct target_timeval
*target_tv
;
883 if (!lock_user_struct(VERIFY_READ
, target_tv
, target_tv_addr
, 1))
884 return -TARGET_EFAULT
;
886 __get_user(tv
->tv_sec
, &target_tv
->tv_sec
);
887 __get_user(tv
->tv_usec
, &target_tv
->tv_usec
);
889 unlock_user_struct(target_tv
, target_tv_addr
, 0);
894 static inline abi_long
copy_to_user_timeval(abi_ulong target_tv_addr
,
895 const struct timeval
*tv
)
897 struct target_timeval
*target_tv
;
899 if (!lock_user_struct(VERIFY_WRITE
, target_tv
, target_tv_addr
, 0))
900 return -TARGET_EFAULT
;
902 __put_user(tv
->tv_sec
, &target_tv
->tv_sec
);
903 __put_user(tv
->tv_usec
, &target_tv
->tv_usec
);
905 unlock_user_struct(target_tv
, target_tv_addr
, 1);
910 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
913 static inline abi_long
copy_from_user_mq_attr(struct mq_attr
*attr
,
914 abi_ulong target_mq_attr_addr
)
916 struct target_mq_attr
*target_mq_attr
;
918 if (!lock_user_struct(VERIFY_READ
, target_mq_attr
,
919 target_mq_attr_addr
, 1))
920 return -TARGET_EFAULT
;
922 __get_user(attr
->mq_flags
, &target_mq_attr
->mq_flags
);
923 __get_user(attr
->mq_maxmsg
, &target_mq_attr
->mq_maxmsg
);
924 __get_user(attr
->mq_msgsize
, &target_mq_attr
->mq_msgsize
);
925 __get_user(attr
->mq_curmsgs
, &target_mq_attr
->mq_curmsgs
);
927 unlock_user_struct(target_mq_attr
, target_mq_attr_addr
, 0);
932 static inline abi_long
copy_to_user_mq_attr(abi_ulong target_mq_attr_addr
,
933 const struct mq_attr
*attr
)
935 struct target_mq_attr
*target_mq_attr
;
937 if (!lock_user_struct(VERIFY_WRITE
, target_mq_attr
,
938 target_mq_attr_addr
, 0))
939 return -TARGET_EFAULT
;
941 __put_user(attr
->mq_flags
, &target_mq_attr
->mq_flags
);
942 __put_user(attr
->mq_maxmsg
, &target_mq_attr
->mq_maxmsg
);
943 __put_user(attr
->mq_msgsize
, &target_mq_attr
->mq_msgsize
);
944 __put_user(attr
->mq_curmsgs
, &target_mq_attr
->mq_curmsgs
);
946 unlock_user_struct(target_mq_attr
, target_mq_attr_addr
, 1);
952 #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect)
953 /* do_select() must return target values and target errnos. */
954 static abi_long
do_select(int n
,
955 abi_ulong rfd_addr
, abi_ulong wfd_addr
,
956 abi_ulong efd_addr
, abi_ulong target_tv_addr
)
958 fd_set rfds
, wfds
, efds
;
959 fd_set
*rfds_ptr
, *wfds_ptr
, *efds_ptr
;
960 struct timeval tv
, *tv_ptr
;
963 ret
= copy_from_user_fdset_ptr(&rfds
, &rfds_ptr
, rfd_addr
, n
);
967 ret
= copy_from_user_fdset_ptr(&wfds
, &wfds_ptr
, wfd_addr
, n
);
971 ret
= copy_from_user_fdset_ptr(&efds
, &efds_ptr
, efd_addr
, n
);
976 if (target_tv_addr
) {
977 if (copy_from_user_timeval(&tv
, target_tv_addr
))
978 return -TARGET_EFAULT
;
984 ret
= get_errno(select(n
, rfds_ptr
, wfds_ptr
, efds_ptr
, tv_ptr
));
986 if (!is_error(ret
)) {
987 if (rfd_addr
&& copy_to_user_fdset(rfd_addr
, &rfds
, n
))
988 return -TARGET_EFAULT
;
989 if (wfd_addr
&& copy_to_user_fdset(wfd_addr
, &wfds
, n
))
990 return -TARGET_EFAULT
;
991 if (efd_addr
&& copy_to_user_fdset(efd_addr
, &efds
, n
))
992 return -TARGET_EFAULT
;
994 if (target_tv_addr
&& copy_to_user_timeval(target_tv_addr
, &tv
))
995 return -TARGET_EFAULT
;
1002 static abi_long
do_pipe2(int host_pipe
[], int flags
)
1005 return pipe2(host_pipe
, flags
);
1011 static abi_long
do_pipe(void *cpu_env
, abi_ulong pipedes
,
1012 int flags
, int is_pipe2
)
1016 ret
= flags
? do_pipe2(host_pipe
, flags
) : pipe(host_pipe
);
1019 return get_errno(ret
);
1021 /* Several targets have special calling conventions for the original
1022 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1024 #if defined(TARGET_ALPHA)
1025 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
] = host_pipe
[1];
1026 return host_pipe
[0];
1027 #elif defined(TARGET_MIPS)
1028 ((CPUMIPSState
*)cpu_env
)->active_tc
.gpr
[3] = host_pipe
[1];
1029 return host_pipe
[0];
1030 #elif defined(TARGET_SH4)
1031 ((CPUSH4State
*)cpu_env
)->gregs
[1] = host_pipe
[1];
1032 return host_pipe
[0];
1036 if (put_user_s32(host_pipe
[0], pipedes
)
1037 || put_user_s32(host_pipe
[1], pipedes
+ sizeof(host_pipe
[0])))
1038 return -TARGET_EFAULT
;
1039 return get_errno(ret
);
1042 static inline abi_long
target_to_host_ip_mreq(struct ip_mreqn
*mreqn
,
1043 abi_ulong target_addr
,
1046 struct target_ip_mreqn
*target_smreqn
;
1048 target_smreqn
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
1050 return -TARGET_EFAULT
;
1051 mreqn
->imr_multiaddr
.s_addr
= target_smreqn
->imr_multiaddr
.s_addr
;
1052 mreqn
->imr_address
.s_addr
= target_smreqn
->imr_address
.s_addr
;
1053 if (len
== sizeof(struct target_ip_mreqn
))
1054 mreqn
->imr_ifindex
= tswapal(target_smreqn
->imr_ifindex
);
1055 unlock_user(target_smreqn
, target_addr
, 0);
1060 static inline abi_long
target_to_host_sockaddr(struct sockaddr
*addr
,
1061 abi_ulong target_addr
,
1064 const socklen_t unix_maxlen
= sizeof (struct sockaddr_un
);
1065 sa_family_t sa_family
;
1066 struct target_sockaddr
*target_saddr
;
1068 target_saddr
= lock_user(VERIFY_READ
, target_addr
, len
, 1);
1070 return -TARGET_EFAULT
;
1072 sa_family
= tswap16(target_saddr
->sa_family
);
1074 /* Oops. The caller might send a incomplete sun_path; sun_path
1075 * must be terminated by \0 (see the manual page), but
1076 * unfortunately it is quite common to specify sockaddr_un
1077 * length as "strlen(x->sun_path)" while it should be
1078 * "strlen(...) + 1". We'll fix that here if needed.
1079 * Linux kernel has a similar feature.
1082 if (sa_family
== AF_UNIX
) {
1083 if (len
< unix_maxlen
&& len
> 0) {
1084 char *cp
= (char*)target_saddr
;
1086 if ( cp
[len
-1] && !cp
[len
] )
1089 if (len
> unix_maxlen
)
1093 memcpy(addr
, target_saddr
, len
);
1094 addr
->sa_family
= sa_family
;
1095 unlock_user(target_saddr
, target_addr
, 0);
1100 static inline abi_long
host_to_target_sockaddr(abi_ulong target_addr
,
1101 struct sockaddr
*addr
,
1104 struct target_sockaddr
*target_saddr
;
1106 target_saddr
= lock_user(VERIFY_WRITE
, target_addr
, len
, 0);
1108 return -TARGET_EFAULT
;
1109 memcpy(target_saddr
, addr
, len
);
1110 target_saddr
->sa_family
= tswap16(addr
->sa_family
);
1111 unlock_user(target_saddr
, target_addr
, len
);
1116 static inline abi_long
target_to_host_cmsg(struct msghdr
*msgh
,
1117 struct target_msghdr
*target_msgh
)
1119 struct cmsghdr
*cmsg
= CMSG_FIRSTHDR(msgh
);
1120 abi_long msg_controllen
;
1121 abi_ulong target_cmsg_addr
;
1122 struct target_cmsghdr
*target_cmsg
;
1123 socklen_t space
= 0;
1125 msg_controllen
= tswapal(target_msgh
->msg_controllen
);
1126 if (msg_controllen
< sizeof (struct target_cmsghdr
))
1128 target_cmsg_addr
= tswapal(target_msgh
->msg_control
);
1129 target_cmsg
= lock_user(VERIFY_READ
, target_cmsg_addr
, msg_controllen
, 1);
1131 return -TARGET_EFAULT
;
1133 while (cmsg
&& target_cmsg
) {
1134 void *data
= CMSG_DATA(cmsg
);
1135 void *target_data
= TARGET_CMSG_DATA(target_cmsg
);
1137 int len
= tswapal(target_cmsg
->cmsg_len
)
1138 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr
));
1140 space
+= CMSG_SPACE(len
);
1141 if (space
> msgh
->msg_controllen
) {
1142 space
-= CMSG_SPACE(len
);
1143 gemu_log("Host cmsg overflow\n");
1147 cmsg
->cmsg_level
= tswap32(target_cmsg
->cmsg_level
);
1148 cmsg
->cmsg_type
= tswap32(target_cmsg
->cmsg_type
);
1149 cmsg
->cmsg_len
= CMSG_LEN(len
);
1151 if (cmsg
->cmsg_level
!= TARGET_SOL_SOCKET
|| cmsg
->cmsg_type
!= SCM_RIGHTS
) {
1152 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg
->cmsg_level
, cmsg
->cmsg_type
);
1153 memcpy(data
, target_data
, len
);
1155 int *fd
= (int *)data
;
1156 int *target_fd
= (int *)target_data
;
1157 int i
, numfds
= len
/ sizeof(int);
1159 for (i
= 0; i
< numfds
; i
++)
1160 fd
[i
] = tswap32(target_fd
[i
]);
1163 cmsg
= CMSG_NXTHDR(msgh
, cmsg
);
1164 target_cmsg
= TARGET_CMSG_NXTHDR(target_msgh
, target_cmsg
);
1166 unlock_user(target_cmsg
, target_cmsg_addr
, 0);
1168 msgh
->msg_controllen
= space
;
1172 static inline abi_long
host_to_target_cmsg(struct target_msghdr
*target_msgh
,
1173 struct msghdr
*msgh
)
1175 struct cmsghdr
*cmsg
= CMSG_FIRSTHDR(msgh
);
1176 abi_long msg_controllen
;
1177 abi_ulong target_cmsg_addr
;
1178 struct target_cmsghdr
*target_cmsg
;
1179 socklen_t space
= 0;
1181 msg_controllen
= tswapal(target_msgh
->msg_controllen
);
1182 if (msg_controllen
< sizeof (struct target_cmsghdr
))
1184 target_cmsg_addr
= tswapal(target_msgh
->msg_control
);
1185 target_cmsg
= lock_user(VERIFY_WRITE
, target_cmsg_addr
, msg_controllen
, 0);
1187 return -TARGET_EFAULT
;
1189 while (cmsg
&& target_cmsg
) {
1190 void *data
= CMSG_DATA(cmsg
);
1191 void *target_data
= TARGET_CMSG_DATA(target_cmsg
);
1193 int len
= cmsg
->cmsg_len
- CMSG_ALIGN(sizeof (struct cmsghdr
));
1195 space
+= TARGET_CMSG_SPACE(len
);
1196 if (space
> msg_controllen
) {
1197 space
-= TARGET_CMSG_SPACE(len
);
1198 gemu_log("Target cmsg overflow\n");
1202 target_cmsg
->cmsg_level
= tswap32(cmsg
->cmsg_level
);
1203 target_cmsg
->cmsg_type
= tswap32(cmsg
->cmsg_type
);
1204 target_cmsg
->cmsg_len
= tswapal(TARGET_CMSG_LEN(len
));
1206 if ((cmsg
->cmsg_level
== TARGET_SOL_SOCKET
) &&
1207 (cmsg
->cmsg_type
== SCM_RIGHTS
)) {
1208 int *fd
= (int *)data
;
1209 int *target_fd
= (int *)target_data
;
1210 int i
, numfds
= len
/ sizeof(int);
1212 for (i
= 0; i
< numfds
; i
++)
1213 target_fd
[i
] = tswap32(fd
[i
]);
1214 } else if ((cmsg
->cmsg_level
== TARGET_SOL_SOCKET
) &&
1215 (cmsg
->cmsg_type
== SO_TIMESTAMP
) &&
1216 (len
== sizeof(struct timeval
))) {
1217 /* copy struct timeval to target */
1218 struct timeval
*tv
= (struct timeval
*)data
;
1219 struct target_timeval
*target_tv
=
1220 (struct target_timeval
*)target_data
;
1222 target_tv
->tv_sec
= tswapal(tv
->tv_sec
);
1223 target_tv
->tv_usec
= tswapal(tv
->tv_usec
);
1225 gemu_log("Unsupported ancillary data: %d/%d\n",
1226 cmsg
->cmsg_level
, cmsg
->cmsg_type
);
1227 memcpy(target_data
, data
, len
);
1230 cmsg
= CMSG_NXTHDR(msgh
, cmsg
);
1231 target_cmsg
= TARGET_CMSG_NXTHDR(target_msgh
, target_cmsg
);
1233 unlock_user(target_cmsg
, target_cmsg_addr
, space
);
1235 target_msgh
->msg_controllen
= tswapal(space
);
1239 /* do_setsockopt() Must return target values and target errnos. */
1240 static abi_long
do_setsockopt(int sockfd
, int level
, int optname
,
1241 abi_ulong optval_addr
, socklen_t optlen
)
1245 struct ip_mreqn
*ip_mreq
;
1246 struct ip_mreq_source
*ip_mreq_source
;
1250 /* TCP options all take an 'int' value. */
1251 if (optlen
< sizeof(uint32_t))
1252 return -TARGET_EINVAL
;
1254 if (get_user_u32(val
, optval_addr
))
1255 return -TARGET_EFAULT
;
1256 ret
= get_errno(setsockopt(sockfd
, level
, optname
, &val
, sizeof(val
)));
1263 case IP_ROUTER_ALERT
:
1267 case IP_MTU_DISCOVER
:
1273 case IP_MULTICAST_TTL
:
1274 case IP_MULTICAST_LOOP
:
1276 if (optlen
>= sizeof(uint32_t)) {
1277 if (get_user_u32(val
, optval_addr
))
1278 return -TARGET_EFAULT
;
1279 } else if (optlen
>= 1) {
1280 if (get_user_u8(val
, optval_addr
))
1281 return -TARGET_EFAULT
;
1283 ret
= get_errno(setsockopt(sockfd
, level
, optname
, &val
, sizeof(val
)));
1285 case IP_ADD_MEMBERSHIP
:
1286 case IP_DROP_MEMBERSHIP
:
1287 if (optlen
< sizeof (struct target_ip_mreq
) ||
1288 optlen
> sizeof (struct target_ip_mreqn
))
1289 return -TARGET_EINVAL
;
1291 ip_mreq
= (struct ip_mreqn
*) alloca(optlen
);
1292 target_to_host_ip_mreq(ip_mreq
, optval_addr
, optlen
);
1293 ret
= get_errno(setsockopt(sockfd
, level
, optname
, ip_mreq
, optlen
));
1296 case IP_BLOCK_SOURCE
:
1297 case IP_UNBLOCK_SOURCE
:
1298 case IP_ADD_SOURCE_MEMBERSHIP
:
1299 case IP_DROP_SOURCE_MEMBERSHIP
:
1300 if (optlen
!= sizeof (struct target_ip_mreq_source
))
1301 return -TARGET_EINVAL
;
1303 ip_mreq_source
= lock_user(VERIFY_READ
, optval_addr
, optlen
, 1);
1304 ret
= get_errno(setsockopt(sockfd
, level
, optname
, ip_mreq_source
, optlen
));
1305 unlock_user (ip_mreq_source
, optval_addr
, 0);
1315 /* struct icmp_filter takes an u32 value */
1316 if (optlen
< sizeof(uint32_t)) {
1317 return -TARGET_EINVAL
;
1320 if (get_user_u32(val
, optval_addr
)) {
1321 return -TARGET_EFAULT
;
1323 ret
= get_errno(setsockopt(sockfd
, level
, optname
,
1324 &val
, sizeof(val
)));
1331 case TARGET_SOL_SOCKET
:
1333 case TARGET_SO_RCVTIMEO
:
1337 optname
= SO_RCVTIMEO
;
1340 if (optlen
!= sizeof(struct target_timeval
)) {
1341 return -TARGET_EINVAL
;
1344 if (copy_from_user_timeval(&tv
, optval_addr
)) {
1345 return -TARGET_EFAULT
;
1348 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
,
1352 case TARGET_SO_SNDTIMEO
:
1353 optname
= SO_SNDTIMEO
;
1355 /* Options with 'int' argument. */
1356 case TARGET_SO_DEBUG
:
1359 case TARGET_SO_REUSEADDR
:
1360 optname
= SO_REUSEADDR
;
1362 case TARGET_SO_TYPE
:
1365 case TARGET_SO_ERROR
:
1368 case TARGET_SO_DONTROUTE
:
1369 optname
= SO_DONTROUTE
;
1371 case TARGET_SO_BROADCAST
:
1372 optname
= SO_BROADCAST
;
1374 case TARGET_SO_SNDBUF
:
1375 optname
= SO_SNDBUF
;
1377 case TARGET_SO_RCVBUF
:
1378 optname
= SO_RCVBUF
;
1380 case TARGET_SO_KEEPALIVE
:
1381 optname
= SO_KEEPALIVE
;
1383 case TARGET_SO_OOBINLINE
:
1384 optname
= SO_OOBINLINE
;
1386 case TARGET_SO_NO_CHECK
:
1387 optname
= SO_NO_CHECK
;
1389 case TARGET_SO_PRIORITY
:
1390 optname
= SO_PRIORITY
;
1393 case TARGET_SO_BSDCOMPAT
:
1394 optname
= SO_BSDCOMPAT
;
1397 case TARGET_SO_PASSCRED
:
1398 optname
= SO_PASSCRED
;
1400 case TARGET_SO_TIMESTAMP
:
1401 optname
= SO_TIMESTAMP
;
1403 case TARGET_SO_RCVLOWAT
:
1404 optname
= SO_RCVLOWAT
;
1410 if (optlen
< sizeof(uint32_t))
1411 return -TARGET_EINVAL
;
1413 if (get_user_u32(val
, optval_addr
))
1414 return -TARGET_EFAULT
;
1415 ret
= get_errno(setsockopt(sockfd
, SOL_SOCKET
, optname
, &val
, sizeof(val
)));
1419 gemu_log("Unsupported setsockopt level=%d optname=%d\n", level
, optname
);
1420 ret
= -TARGET_ENOPROTOOPT
;
1425 /* do_getsockopt() Must return target values and target errnos. */
1426 static abi_long
do_getsockopt(int sockfd
, int level
, int optname
,
1427 abi_ulong optval_addr
, abi_ulong optlen
)
1434 case TARGET_SOL_SOCKET
:
1437 /* These don't just return a single integer */
1438 case TARGET_SO_LINGER
:
1439 case TARGET_SO_RCVTIMEO
:
1440 case TARGET_SO_SNDTIMEO
:
1441 case TARGET_SO_PEERNAME
:
1443 case TARGET_SO_PEERCRED
: {
1446 struct target_ucred
*tcr
;
1448 if (get_user_u32(len
, optlen
)) {
1449 return -TARGET_EFAULT
;
1452 return -TARGET_EINVAL
;
1456 ret
= get_errno(getsockopt(sockfd
, level
, SO_PEERCRED
,
1464 if (!lock_user_struct(VERIFY_WRITE
, tcr
, optval_addr
, 0)) {
1465 return -TARGET_EFAULT
;
1467 __put_user(cr
.pid
, &tcr
->pid
);
1468 __put_user(cr
.uid
, &tcr
->uid
);
1469 __put_user(cr
.gid
, &tcr
->gid
);
1470 unlock_user_struct(tcr
, optval_addr
, 1);
1471 if (put_user_u32(len
, optlen
)) {
1472 return -TARGET_EFAULT
;
1476 /* Options with 'int' argument. */
1477 case TARGET_SO_DEBUG
:
1480 case TARGET_SO_REUSEADDR
:
1481 optname
= SO_REUSEADDR
;
1483 case TARGET_SO_TYPE
:
1486 case TARGET_SO_ERROR
:
1489 case TARGET_SO_DONTROUTE
:
1490 optname
= SO_DONTROUTE
;
1492 case TARGET_SO_BROADCAST
:
1493 optname
= SO_BROADCAST
;
1495 case TARGET_SO_SNDBUF
:
1496 optname
= SO_SNDBUF
;
1498 case TARGET_SO_RCVBUF
:
1499 optname
= SO_RCVBUF
;
1501 case TARGET_SO_KEEPALIVE
:
1502 optname
= SO_KEEPALIVE
;
1504 case TARGET_SO_OOBINLINE
:
1505 optname
= SO_OOBINLINE
;
1507 case TARGET_SO_NO_CHECK
:
1508 optname
= SO_NO_CHECK
;
1510 case TARGET_SO_PRIORITY
:
1511 optname
= SO_PRIORITY
;
1514 case TARGET_SO_BSDCOMPAT
:
1515 optname
= SO_BSDCOMPAT
;
1518 case TARGET_SO_PASSCRED
:
1519 optname
= SO_PASSCRED
;
1521 case TARGET_SO_TIMESTAMP
:
1522 optname
= SO_TIMESTAMP
;
1524 case TARGET_SO_RCVLOWAT
:
1525 optname
= SO_RCVLOWAT
;
1532 /* TCP options all take an 'int' value. */
1534 if (get_user_u32(len
, optlen
))
1535 return -TARGET_EFAULT
;
1537 return -TARGET_EINVAL
;
1539 ret
= get_errno(getsockopt(sockfd
, level
, optname
, &val
, &lv
));
1545 if (put_user_u32(val
, optval_addr
))
1546 return -TARGET_EFAULT
;
1548 if (put_user_u8(val
, optval_addr
))
1549 return -TARGET_EFAULT
;
1551 if (put_user_u32(len
, optlen
))
1552 return -TARGET_EFAULT
;
1559 case IP_ROUTER_ALERT
:
1563 case IP_MTU_DISCOVER
:
1569 case IP_MULTICAST_TTL
:
1570 case IP_MULTICAST_LOOP
:
1571 if (get_user_u32(len
, optlen
))
1572 return -TARGET_EFAULT
;
1574 return -TARGET_EINVAL
;
1576 ret
= get_errno(getsockopt(sockfd
, level
, optname
, &val
, &lv
));
1579 if (len
< sizeof(int) && len
> 0 && val
>= 0 && val
< 255) {
1581 if (put_user_u32(len
, optlen
)
1582 || put_user_u8(val
, optval_addr
))
1583 return -TARGET_EFAULT
;
1585 if (len
> sizeof(int))
1587 if (put_user_u32(len
, optlen
)
1588 || put_user_u32(val
, optval_addr
))
1589 return -TARGET_EFAULT
;
1593 ret
= -TARGET_ENOPROTOOPT
;
1599 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1601 ret
= -TARGET_EOPNOTSUPP
;
1607 static struct iovec
*lock_iovec(int type
, abi_ulong target_addr
,
1608 int count
, int copy
)
1610 struct target_iovec
*target_vec
;
1612 abi_ulong total_len
, max_len
;
1619 if (count
< 0 || count
> IOV_MAX
) {
1624 vec
= calloc(count
, sizeof(struct iovec
));
1630 target_vec
= lock_user(VERIFY_READ
, target_addr
,
1631 count
* sizeof(struct target_iovec
), 1);
1632 if (target_vec
== NULL
) {
1637 /* ??? If host page size > target page size, this will result in a
1638 value larger than what we can actually support. */
1639 max_len
= 0x7fffffff & TARGET_PAGE_MASK
;
1642 for (i
= 0; i
< count
; i
++) {
1643 abi_ulong base
= tswapal(target_vec
[i
].iov_base
);
1644 abi_long len
= tswapal(target_vec
[i
].iov_len
);
1649 } else if (len
== 0) {
1650 /* Zero length pointer is ignored. */
1651 vec
[i
].iov_base
= 0;
1653 vec
[i
].iov_base
= lock_user(type
, base
, len
, copy
);
1654 if (!vec
[i
].iov_base
) {
1658 if (len
> max_len
- total_len
) {
1659 len
= max_len
- total_len
;
1662 vec
[i
].iov_len
= len
;
1666 unlock_user(target_vec
, target_addr
, 0);
1672 unlock_user(target_vec
, target_addr
, 0);
1676 static void unlock_iovec(struct iovec
*vec
, abi_ulong target_addr
,
1677 int count
, int copy
)
1679 struct target_iovec
*target_vec
;
1682 target_vec
= lock_user(VERIFY_READ
, target_addr
,
1683 count
* sizeof(struct target_iovec
), 1);
1685 for (i
= 0; i
< count
; i
++) {
1686 abi_ulong base
= tswapal(target_vec
[i
].iov_base
);
1687 abi_long len
= tswapal(target_vec
[i
].iov_base
);
1691 unlock_user(vec
[i
].iov_base
, base
, copy
? vec
[i
].iov_len
: 0);
1693 unlock_user(target_vec
, target_addr
, 0);
1699 /* do_socket() Must return target values and target errnos. */
1700 static abi_long
do_socket(int domain
, int type
, int protocol
)
1702 #if defined(TARGET_MIPS)
1704 case TARGET_SOCK_DGRAM
:
1707 case TARGET_SOCK_STREAM
:
1710 case TARGET_SOCK_RAW
:
1713 case TARGET_SOCK_RDM
:
1716 case TARGET_SOCK_SEQPACKET
:
1717 type
= SOCK_SEQPACKET
;
1719 case TARGET_SOCK_PACKET
:
1724 if (domain
== PF_NETLINK
)
1725 return -EAFNOSUPPORT
; /* do not NETLINK socket connections possible */
1726 return get_errno(socket(domain
, type
, protocol
));
1729 /* do_bind() Must return target values and target errnos. */
1730 static abi_long
do_bind(int sockfd
, abi_ulong target_addr
,
1736 if ((int)addrlen
< 0) {
1737 return -TARGET_EINVAL
;
1740 addr
= alloca(addrlen
+1);
1742 ret
= target_to_host_sockaddr(addr
, target_addr
, addrlen
);
1746 return get_errno(bind(sockfd
, addr
, addrlen
));
1749 /* do_connect() Must return target values and target errnos. */
1750 static abi_long
do_connect(int sockfd
, abi_ulong target_addr
,
1756 if ((int)addrlen
< 0) {
1757 return -TARGET_EINVAL
;
1760 addr
= alloca(addrlen
);
1762 ret
= target_to_host_sockaddr(addr
, target_addr
, addrlen
);
1766 return get_errno(connect(sockfd
, addr
, addrlen
));
1769 /* do_sendrecvmsg() Must return target values and target errnos. */
1770 static abi_long
do_sendrecvmsg(int fd
, abi_ulong target_msg
,
1771 int flags
, int send
)
1774 struct target_msghdr
*msgp
;
1778 abi_ulong target_vec
;
1781 if (!lock_user_struct(send
? VERIFY_READ
: VERIFY_WRITE
,
1785 return -TARGET_EFAULT
;
1786 if (msgp
->msg_name
) {
1787 msg
.msg_namelen
= tswap32(msgp
->msg_namelen
);
1788 msg
.msg_name
= alloca(msg
.msg_namelen
);
1789 ret
= target_to_host_sockaddr(msg
.msg_name
, tswapal(msgp
->msg_name
),
1795 msg
.msg_name
= NULL
;
1796 msg
.msg_namelen
= 0;
1798 msg
.msg_controllen
= 2 * tswapal(msgp
->msg_controllen
);
1799 msg
.msg_control
= alloca(msg
.msg_controllen
);
1800 msg
.msg_flags
= tswap32(msgp
->msg_flags
);
1802 count
= tswapal(msgp
->msg_iovlen
);
1803 target_vec
= tswapal(msgp
->msg_iov
);
1804 vec
= lock_iovec(send
? VERIFY_READ
: VERIFY_WRITE
,
1805 target_vec
, count
, send
);
1807 ret
= -host_to_target_errno(errno
);
1810 msg
.msg_iovlen
= count
;
1814 ret
= target_to_host_cmsg(&msg
, msgp
);
1816 ret
= get_errno(sendmsg(fd
, &msg
, flags
));
1818 ret
= get_errno(recvmsg(fd
, &msg
, flags
));
1819 if (!is_error(ret
)) {
1821 ret
= host_to_target_cmsg(msgp
, &msg
);
1822 if (!is_error(ret
)) {
1823 msgp
->msg_namelen
= tswap32(msg
.msg_namelen
);
1824 if (msg
.msg_name
!= NULL
) {
1825 ret
= host_to_target_sockaddr(tswapal(msgp
->msg_name
),
1826 msg
.msg_name
, msg
.msg_namelen
);
1838 unlock_iovec(vec
, target_vec
, count
, !send
);
1840 unlock_user_struct(msgp
, target_msg
, send
? 0 : 1);
1844 /* If we don't have a system accept4() then just call accept.
1845 * The callsites to do_accept4() will ensure that they don't
1846 * pass a non-zero flags argument in this config.
1848 #ifndef CONFIG_ACCEPT4
1849 static inline int accept4(int sockfd
, struct sockaddr
*addr
,
1850 socklen_t
*addrlen
, int flags
)
1853 return accept(sockfd
, addr
, addrlen
);
1857 /* do_accept4() Must return target values and target errnos. */
1858 static abi_long
do_accept4(int fd
, abi_ulong target_addr
,
1859 abi_ulong target_addrlen_addr
, int flags
)
1865 if (target_addr
== 0) {
1866 return get_errno(accept4(fd
, NULL
, NULL
, flags
));
1869 /* linux returns EINVAL if addrlen pointer is invalid */
1870 if (get_user_u32(addrlen
, target_addrlen_addr
))
1871 return -TARGET_EINVAL
;
1873 if ((int)addrlen
< 0) {
1874 return -TARGET_EINVAL
;
1877 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
1878 return -TARGET_EINVAL
;
1880 addr
= alloca(addrlen
);
1882 ret
= get_errno(accept4(fd
, addr
, &addrlen
, flags
));
1883 if (!is_error(ret
)) {
1884 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
1885 if (put_user_u32(addrlen
, target_addrlen_addr
))
1886 ret
= -TARGET_EFAULT
;
1891 /* do_getpeername() Must return target values and target errnos. */
1892 static abi_long
do_getpeername(int fd
, abi_ulong target_addr
,
1893 abi_ulong target_addrlen_addr
)
1899 if (get_user_u32(addrlen
, target_addrlen_addr
))
1900 return -TARGET_EFAULT
;
1902 if ((int)addrlen
< 0) {
1903 return -TARGET_EINVAL
;
1906 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
1907 return -TARGET_EFAULT
;
1909 addr
= alloca(addrlen
);
1911 ret
= get_errno(getpeername(fd
, addr
, &addrlen
));
1912 if (!is_error(ret
)) {
1913 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
1914 if (put_user_u32(addrlen
, target_addrlen_addr
))
1915 ret
= -TARGET_EFAULT
;
1920 /* do_getsockname() Must return target values and target errnos. */
1921 static abi_long
do_getsockname(int fd
, abi_ulong target_addr
,
1922 abi_ulong target_addrlen_addr
)
1928 if (get_user_u32(addrlen
, target_addrlen_addr
))
1929 return -TARGET_EFAULT
;
1931 if ((int)addrlen
< 0) {
1932 return -TARGET_EINVAL
;
1935 if (!access_ok(VERIFY_WRITE
, target_addr
, addrlen
))
1936 return -TARGET_EFAULT
;
1938 addr
= alloca(addrlen
);
1940 ret
= get_errno(getsockname(fd
, addr
, &addrlen
));
1941 if (!is_error(ret
)) {
1942 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
1943 if (put_user_u32(addrlen
, target_addrlen_addr
))
1944 ret
= -TARGET_EFAULT
;
1949 /* do_socketpair() Must return target values and target errnos. */
1950 static abi_long
do_socketpair(int domain
, int type
, int protocol
,
1951 abi_ulong target_tab_addr
)
1956 ret
= get_errno(socketpair(domain
, type
, protocol
, tab
));
1957 if (!is_error(ret
)) {
1958 if (put_user_s32(tab
[0], target_tab_addr
)
1959 || put_user_s32(tab
[1], target_tab_addr
+ sizeof(tab
[0])))
1960 ret
= -TARGET_EFAULT
;
1965 /* do_sendto() Must return target values and target errnos. */
1966 static abi_long
do_sendto(int fd
, abi_ulong msg
, size_t len
, int flags
,
1967 abi_ulong target_addr
, socklen_t addrlen
)
1973 if ((int)addrlen
< 0) {
1974 return -TARGET_EINVAL
;
1977 host_msg
= lock_user(VERIFY_READ
, msg
, len
, 1);
1979 return -TARGET_EFAULT
;
1981 addr
= alloca(addrlen
);
1982 ret
= target_to_host_sockaddr(addr
, target_addr
, addrlen
);
1984 unlock_user(host_msg
, msg
, 0);
1987 ret
= get_errno(sendto(fd
, host_msg
, len
, flags
, addr
, addrlen
));
1989 ret
= get_errno(send(fd
, host_msg
, len
, flags
));
1991 unlock_user(host_msg
, msg
, 0);
1995 /* do_recvfrom() Must return target values and target errnos. */
1996 static abi_long
do_recvfrom(int fd
, abi_ulong msg
, size_t len
, int flags
,
1997 abi_ulong target_addr
,
1998 abi_ulong target_addrlen
)
2005 host_msg
= lock_user(VERIFY_WRITE
, msg
, len
, 0);
2007 return -TARGET_EFAULT
;
2009 if (get_user_u32(addrlen
, target_addrlen
)) {
2010 ret
= -TARGET_EFAULT
;
2013 if ((int)addrlen
< 0) {
2014 ret
= -TARGET_EINVAL
;
2017 addr
= alloca(addrlen
);
2018 ret
= get_errno(recvfrom(fd
, host_msg
, len
, flags
, addr
, &addrlen
));
2020 addr
= NULL
; /* To keep compiler quiet. */
2021 ret
= get_errno(qemu_recv(fd
, host_msg
, len
, flags
));
2023 if (!is_error(ret
)) {
2025 host_to_target_sockaddr(target_addr
, addr
, addrlen
);
2026 if (put_user_u32(addrlen
, target_addrlen
)) {
2027 ret
= -TARGET_EFAULT
;
2031 unlock_user(host_msg
, msg
, len
);
2034 unlock_user(host_msg
, msg
, 0);
2039 #ifdef TARGET_NR_socketcall
2040 /* do_socketcall() Must return target values and target errnos. */
2041 static abi_long
do_socketcall(int num
, abi_ulong vptr
)
2044 const int n
= sizeof(abi_ulong
);
2049 abi_ulong domain
, type
, protocol
;
2051 if (get_user_ual(domain
, vptr
)
2052 || get_user_ual(type
, vptr
+ n
)
2053 || get_user_ual(protocol
, vptr
+ 2 * n
))
2054 return -TARGET_EFAULT
;
2056 ret
= do_socket(domain
, type
, protocol
);
2062 abi_ulong target_addr
;
2065 if (get_user_ual(sockfd
, vptr
)
2066 || get_user_ual(target_addr
, vptr
+ n
)
2067 || get_user_ual(addrlen
, vptr
+ 2 * n
))
2068 return -TARGET_EFAULT
;
2070 ret
= do_bind(sockfd
, target_addr
, addrlen
);
2073 case SOCKOP_connect
:
2076 abi_ulong target_addr
;
2079 if (get_user_ual(sockfd
, vptr
)
2080 || get_user_ual(target_addr
, vptr
+ n
)
2081 || get_user_ual(addrlen
, vptr
+ 2 * n
))
2082 return -TARGET_EFAULT
;
2084 ret
= do_connect(sockfd
, target_addr
, addrlen
);
2089 abi_ulong sockfd
, backlog
;
2091 if (get_user_ual(sockfd
, vptr
)
2092 || get_user_ual(backlog
, vptr
+ n
))
2093 return -TARGET_EFAULT
;
2095 ret
= get_errno(listen(sockfd
, backlog
));
2101 abi_ulong target_addr
, target_addrlen
;
2103 if (get_user_ual(sockfd
, vptr
)
2104 || get_user_ual(target_addr
, vptr
+ n
)
2105 || get_user_ual(target_addrlen
, vptr
+ 2 * n
))
2106 return -TARGET_EFAULT
;
2108 ret
= do_accept4(sockfd
, target_addr
, target_addrlen
, 0);
2111 case SOCKOP_getsockname
:
2114 abi_ulong target_addr
, target_addrlen
;
2116 if (get_user_ual(sockfd
, vptr
)
2117 || get_user_ual(target_addr
, vptr
+ n
)
2118 || get_user_ual(target_addrlen
, vptr
+ 2 * n
))
2119 return -TARGET_EFAULT
;
2121 ret
= do_getsockname(sockfd
, target_addr
, target_addrlen
);
2124 case SOCKOP_getpeername
:
2127 abi_ulong target_addr
, target_addrlen
;
2129 if (get_user_ual(sockfd
, vptr
)
2130 || get_user_ual(target_addr
, vptr
+ n
)
2131 || get_user_ual(target_addrlen
, vptr
+ 2 * n
))
2132 return -TARGET_EFAULT
;
2134 ret
= do_getpeername(sockfd
, target_addr
, target_addrlen
);
2137 case SOCKOP_socketpair
:
2139 abi_ulong domain
, type
, protocol
;
2142 if (get_user_ual(domain
, vptr
)
2143 || get_user_ual(type
, vptr
+ n
)
2144 || get_user_ual(protocol
, vptr
+ 2 * n
)
2145 || get_user_ual(tab
, vptr
+ 3 * n
))
2146 return -TARGET_EFAULT
;
2148 ret
= do_socketpair(domain
, type
, protocol
, tab
);
2158 if (get_user_ual(sockfd
, vptr
)
2159 || get_user_ual(msg
, vptr
+ n
)
2160 || get_user_ual(len
, vptr
+ 2 * n
)
2161 || get_user_ual(flags
, vptr
+ 3 * n
))
2162 return -TARGET_EFAULT
;
2164 ret
= do_sendto(sockfd
, msg
, len
, flags
, 0, 0);
2174 if (get_user_ual(sockfd
, vptr
)
2175 || get_user_ual(msg
, vptr
+ n
)
2176 || get_user_ual(len
, vptr
+ 2 * n
)
2177 || get_user_ual(flags
, vptr
+ 3 * n
))
2178 return -TARGET_EFAULT
;
2180 ret
= do_recvfrom(sockfd
, msg
, len
, flags
, 0, 0);
2192 if (get_user_ual(sockfd
, vptr
)
2193 || get_user_ual(msg
, vptr
+ n
)
2194 || get_user_ual(len
, vptr
+ 2 * n
)
2195 || get_user_ual(flags
, vptr
+ 3 * n
)
2196 || get_user_ual(addr
, vptr
+ 4 * n
)
2197 || get_user_ual(addrlen
, vptr
+ 5 * n
))
2198 return -TARGET_EFAULT
;
2200 ret
= do_sendto(sockfd
, msg
, len
, flags
, addr
, addrlen
);
2203 case SOCKOP_recvfrom
:
2212 if (get_user_ual(sockfd
, vptr
)
2213 || get_user_ual(msg
, vptr
+ n
)
2214 || get_user_ual(len
, vptr
+ 2 * n
)
2215 || get_user_ual(flags
, vptr
+ 3 * n
)
2216 || get_user_ual(addr
, vptr
+ 4 * n
)
2217 || get_user_ual(addrlen
, vptr
+ 5 * n
))
2218 return -TARGET_EFAULT
;
2220 ret
= do_recvfrom(sockfd
, msg
, len
, flags
, addr
, addrlen
);
2223 case SOCKOP_shutdown
:
2225 abi_ulong sockfd
, how
;
2227 if (get_user_ual(sockfd
, vptr
)
2228 || get_user_ual(how
, vptr
+ n
))
2229 return -TARGET_EFAULT
;
2231 ret
= get_errno(shutdown(sockfd
, how
));
2234 case SOCKOP_sendmsg
:
2235 case SOCKOP_recvmsg
:
2238 abi_ulong target_msg
;
2241 if (get_user_ual(fd
, vptr
)
2242 || get_user_ual(target_msg
, vptr
+ n
)
2243 || get_user_ual(flags
, vptr
+ 2 * n
))
2244 return -TARGET_EFAULT
;
2246 ret
= do_sendrecvmsg(fd
, target_msg
, flags
,
2247 (num
== SOCKOP_sendmsg
));
2250 case SOCKOP_setsockopt
:
2258 if (get_user_ual(sockfd
, vptr
)
2259 || get_user_ual(level
, vptr
+ n
)
2260 || get_user_ual(optname
, vptr
+ 2 * n
)
2261 || get_user_ual(optval
, vptr
+ 3 * n
)
2262 || get_user_ual(optlen
, vptr
+ 4 * n
))
2263 return -TARGET_EFAULT
;
2265 ret
= do_setsockopt(sockfd
, level
, optname
, optval
, optlen
);
2268 case SOCKOP_getsockopt
:
2276 if (get_user_ual(sockfd
, vptr
)
2277 || get_user_ual(level
, vptr
+ n
)
2278 || get_user_ual(optname
, vptr
+ 2 * n
)
2279 || get_user_ual(optval
, vptr
+ 3 * n
)
2280 || get_user_ual(optlen
, vptr
+ 4 * n
))
2281 return -TARGET_EFAULT
;
2283 ret
= do_getsockopt(sockfd
, level
, optname
, optval
, optlen
);
2287 gemu_log("Unsupported socketcall: %d\n", num
);
2288 ret
= -TARGET_ENOSYS
;
2295 #define N_SHM_REGIONS 32
2297 static struct shm_region
{
2300 } shm_regions
[N_SHM_REGIONS
];
2302 struct target_ipc_perm
2309 unsigned short int mode
;
2310 unsigned short int __pad1
;
2311 unsigned short int __seq
;
2312 unsigned short int __pad2
;
2313 abi_ulong __unused1
;
2314 abi_ulong __unused2
;
2317 struct target_semid_ds
2319 struct target_ipc_perm sem_perm
;
2320 abi_ulong sem_otime
;
2321 abi_ulong __unused1
;
2322 abi_ulong sem_ctime
;
2323 abi_ulong __unused2
;
2324 abi_ulong sem_nsems
;
2325 abi_ulong __unused3
;
2326 abi_ulong __unused4
;
2329 static inline abi_long
target_to_host_ipc_perm(struct ipc_perm
*host_ip
,
2330 abi_ulong target_addr
)
2332 struct target_ipc_perm
*target_ip
;
2333 struct target_semid_ds
*target_sd
;
2335 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
2336 return -TARGET_EFAULT
;
2337 target_ip
= &(target_sd
->sem_perm
);
2338 host_ip
->__key
= tswapal(target_ip
->__key
);
2339 host_ip
->uid
= tswapal(target_ip
->uid
);
2340 host_ip
->gid
= tswapal(target_ip
->gid
);
2341 host_ip
->cuid
= tswapal(target_ip
->cuid
);
2342 host_ip
->cgid
= tswapal(target_ip
->cgid
);
2343 host_ip
->mode
= tswap16(target_ip
->mode
);
2344 unlock_user_struct(target_sd
, target_addr
, 0);
2348 static inline abi_long
host_to_target_ipc_perm(abi_ulong target_addr
,
2349 struct ipc_perm
*host_ip
)
2351 struct target_ipc_perm
*target_ip
;
2352 struct target_semid_ds
*target_sd
;
2354 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
2355 return -TARGET_EFAULT
;
2356 target_ip
= &(target_sd
->sem_perm
);
2357 target_ip
->__key
= tswapal(host_ip
->__key
);
2358 target_ip
->uid
= tswapal(host_ip
->uid
);
2359 target_ip
->gid
= tswapal(host_ip
->gid
);
2360 target_ip
->cuid
= tswapal(host_ip
->cuid
);
2361 target_ip
->cgid
= tswapal(host_ip
->cgid
);
2362 target_ip
->mode
= tswap16(host_ip
->mode
);
2363 unlock_user_struct(target_sd
, target_addr
, 1);
2367 static inline abi_long
target_to_host_semid_ds(struct semid_ds
*host_sd
,
2368 abi_ulong target_addr
)
2370 struct target_semid_ds
*target_sd
;
2372 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
2373 return -TARGET_EFAULT
;
2374 if (target_to_host_ipc_perm(&(host_sd
->sem_perm
),target_addr
))
2375 return -TARGET_EFAULT
;
2376 host_sd
->sem_nsems
= tswapal(target_sd
->sem_nsems
);
2377 host_sd
->sem_otime
= tswapal(target_sd
->sem_otime
);
2378 host_sd
->sem_ctime
= tswapal(target_sd
->sem_ctime
);
2379 unlock_user_struct(target_sd
, target_addr
, 0);
2383 static inline abi_long
host_to_target_semid_ds(abi_ulong target_addr
,
2384 struct semid_ds
*host_sd
)
2386 struct target_semid_ds
*target_sd
;
2388 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
2389 return -TARGET_EFAULT
;
2390 if (host_to_target_ipc_perm(target_addr
,&(host_sd
->sem_perm
)))
2391 return -TARGET_EFAULT
;
2392 target_sd
->sem_nsems
= tswapal(host_sd
->sem_nsems
);
2393 target_sd
->sem_otime
= tswapal(host_sd
->sem_otime
);
2394 target_sd
->sem_ctime
= tswapal(host_sd
->sem_ctime
);
2395 unlock_user_struct(target_sd
, target_addr
, 1);
2399 struct target_seminfo
{
2412 static inline abi_long
host_to_target_seminfo(abi_ulong target_addr
,
2413 struct seminfo
*host_seminfo
)
2415 struct target_seminfo
*target_seminfo
;
2416 if (!lock_user_struct(VERIFY_WRITE
, target_seminfo
, target_addr
, 0))
2417 return -TARGET_EFAULT
;
2418 __put_user(host_seminfo
->semmap
, &target_seminfo
->semmap
);
2419 __put_user(host_seminfo
->semmni
, &target_seminfo
->semmni
);
2420 __put_user(host_seminfo
->semmns
, &target_seminfo
->semmns
);
2421 __put_user(host_seminfo
->semmnu
, &target_seminfo
->semmnu
);
2422 __put_user(host_seminfo
->semmsl
, &target_seminfo
->semmsl
);
2423 __put_user(host_seminfo
->semopm
, &target_seminfo
->semopm
);
2424 __put_user(host_seminfo
->semume
, &target_seminfo
->semume
);
2425 __put_user(host_seminfo
->semusz
, &target_seminfo
->semusz
);
2426 __put_user(host_seminfo
->semvmx
, &target_seminfo
->semvmx
);
2427 __put_user(host_seminfo
->semaem
, &target_seminfo
->semaem
);
2428 unlock_user_struct(target_seminfo
, target_addr
, 1);
2434 struct semid_ds
*buf
;
2435 unsigned short *array
;
2436 struct seminfo
*__buf
;
2439 union target_semun
{
2446 static inline abi_long
target_to_host_semarray(int semid
, unsigned short **host_array
,
2447 abi_ulong target_addr
)
2450 unsigned short *array
;
2452 struct semid_ds semid_ds
;
2455 semun
.buf
= &semid_ds
;
2457 ret
= semctl(semid
, 0, IPC_STAT
, semun
);
2459 return get_errno(ret
);
2461 nsems
= semid_ds
.sem_nsems
;
2463 *host_array
= malloc(nsems
*sizeof(unsigned short));
2464 array
= lock_user(VERIFY_READ
, target_addr
,
2465 nsems
*sizeof(unsigned short), 1);
2467 return -TARGET_EFAULT
;
2469 for(i
=0; i
<nsems
; i
++) {
2470 __get_user((*host_array
)[i
], &array
[i
]);
2472 unlock_user(array
, target_addr
, 0);
2477 static inline abi_long
host_to_target_semarray(int semid
, abi_ulong target_addr
,
2478 unsigned short **host_array
)
2481 unsigned short *array
;
2483 struct semid_ds semid_ds
;
2486 semun
.buf
= &semid_ds
;
2488 ret
= semctl(semid
, 0, IPC_STAT
, semun
);
2490 return get_errno(ret
);
2492 nsems
= semid_ds
.sem_nsems
;
2494 array
= lock_user(VERIFY_WRITE
, target_addr
,
2495 nsems
*sizeof(unsigned short), 0);
2497 return -TARGET_EFAULT
;
2499 for(i
=0; i
<nsems
; i
++) {
2500 __put_user((*host_array
)[i
], &array
[i
]);
2503 unlock_user(array
, target_addr
, 1);
2508 static inline abi_long
do_semctl(int semid
, int semnum
, int cmd
,
2509 union target_semun target_su
)
2512 struct semid_ds dsarg
;
2513 unsigned short *array
= NULL
;
2514 struct seminfo seminfo
;
2515 abi_long ret
= -TARGET_EINVAL
;
2522 arg
.val
= tswap32(target_su
.val
);
2523 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2524 target_su
.val
= tswap32(arg
.val
);
2528 err
= target_to_host_semarray(semid
, &array
, target_su
.array
);
2532 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2533 err
= host_to_target_semarray(semid
, target_su
.array
, &array
);
2540 err
= target_to_host_semid_ds(&dsarg
, target_su
.buf
);
2544 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2545 err
= host_to_target_semid_ds(target_su
.buf
, &dsarg
);
2551 arg
.__buf
= &seminfo
;
2552 ret
= get_errno(semctl(semid
, semnum
, cmd
, arg
));
2553 err
= host_to_target_seminfo(target_su
.__buf
, &seminfo
);
2561 ret
= get_errno(semctl(semid
, semnum
, cmd
, NULL
));
2568 struct target_sembuf
{
2569 unsigned short sem_num
;
2574 static inline abi_long
target_to_host_sembuf(struct sembuf
*host_sembuf
,
2575 abi_ulong target_addr
,
2578 struct target_sembuf
*target_sembuf
;
2581 target_sembuf
= lock_user(VERIFY_READ
, target_addr
,
2582 nsops
*sizeof(struct target_sembuf
), 1);
2584 return -TARGET_EFAULT
;
2586 for(i
=0; i
<nsops
; i
++) {
2587 __get_user(host_sembuf
[i
].sem_num
, &target_sembuf
[i
].sem_num
);
2588 __get_user(host_sembuf
[i
].sem_op
, &target_sembuf
[i
].sem_op
);
2589 __get_user(host_sembuf
[i
].sem_flg
, &target_sembuf
[i
].sem_flg
);
2592 unlock_user(target_sembuf
, target_addr
, 0);
2597 static inline abi_long
do_semop(int semid
, abi_long ptr
, unsigned nsops
)
2599 struct sembuf sops
[nsops
];
2601 if (target_to_host_sembuf(sops
, ptr
, nsops
))
2602 return -TARGET_EFAULT
;
2604 return get_errno(semop(semid
, sops
, nsops
));
2607 struct target_msqid_ds
2609 struct target_ipc_perm msg_perm
;
2610 abi_ulong msg_stime
;
2611 #if TARGET_ABI_BITS == 32
2612 abi_ulong __unused1
;
2614 abi_ulong msg_rtime
;
2615 #if TARGET_ABI_BITS == 32
2616 abi_ulong __unused2
;
2618 abi_ulong msg_ctime
;
2619 #if TARGET_ABI_BITS == 32
2620 abi_ulong __unused3
;
2622 abi_ulong __msg_cbytes
;
2624 abi_ulong msg_qbytes
;
2625 abi_ulong msg_lspid
;
2626 abi_ulong msg_lrpid
;
2627 abi_ulong __unused4
;
2628 abi_ulong __unused5
;
2631 static inline abi_long
target_to_host_msqid_ds(struct msqid_ds
*host_md
,
2632 abi_ulong target_addr
)
2634 struct target_msqid_ds
*target_md
;
2636 if (!lock_user_struct(VERIFY_READ
, target_md
, target_addr
, 1))
2637 return -TARGET_EFAULT
;
2638 if (target_to_host_ipc_perm(&(host_md
->msg_perm
),target_addr
))
2639 return -TARGET_EFAULT
;
2640 host_md
->msg_stime
= tswapal(target_md
->msg_stime
);
2641 host_md
->msg_rtime
= tswapal(target_md
->msg_rtime
);
2642 host_md
->msg_ctime
= tswapal(target_md
->msg_ctime
);
2643 host_md
->__msg_cbytes
= tswapal(target_md
->__msg_cbytes
);
2644 host_md
->msg_qnum
= tswapal(target_md
->msg_qnum
);
2645 host_md
->msg_qbytes
= tswapal(target_md
->msg_qbytes
);
2646 host_md
->msg_lspid
= tswapal(target_md
->msg_lspid
);
2647 host_md
->msg_lrpid
= tswapal(target_md
->msg_lrpid
);
2648 unlock_user_struct(target_md
, target_addr
, 0);
2652 static inline abi_long
host_to_target_msqid_ds(abi_ulong target_addr
,
2653 struct msqid_ds
*host_md
)
2655 struct target_msqid_ds
*target_md
;
2657 if (!lock_user_struct(VERIFY_WRITE
, target_md
, target_addr
, 0))
2658 return -TARGET_EFAULT
;
2659 if (host_to_target_ipc_perm(target_addr
,&(host_md
->msg_perm
)))
2660 return -TARGET_EFAULT
;
2661 target_md
->msg_stime
= tswapal(host_md
->msg_stime
);
2662 target_md
->msg_rtime
= tswapal(host_md
->msg_rtime
);
2663 target_md
->msg_ctime
= tswapal(host_md
->msg_ctime
);
2664 target_md
->__msg_cbytes
= tswapal(host_md
->__msg_cbytes
);
2665 target_md
->msg_qnum
= tswapal(host_md
->msg_qnum
);
2666 target_md
->msg_qbytes
= tswapal(host_md
->msg_qbytes
);
2667 target_md
->msg_lspid
= tswapal(host_md
->msg_lspid
);
2668 target_md
->msg_lrpid
= tswapal(host_md
->msg_lrpid
);
2669 unlock_user_struct(target_md
, target_addr
, 1);
2673 struct target_msginfo
{
2681 unsigned short int msgseg
;
2684 static inline abi_long
host_to_target_msginfo(abi_ulong target_addr
,
2685 struct msginfo
*host_msginfo
)
2687 struct target_msginfo
*target_msginfo
;
2688 if (!lock_user_struct(VERIFY_WRITE
, target_msginfo
, target_addr
, 0))
2689 return -TARGET_EFAULT
;
2690 __put_user(host_msginfo
->msgpool
, &target_msginfo
->msgpool
);
2691 __put_user(host_msginfo
->msgmap
, &target_msginfo
->msgmap
);
2692 __put_user(host_msginfo
->msgmax
, &target_msginfo
->msgmax
);
2693 __put_user(host_msginfo
->msgmnb
, &target_msginfo
->msgmnb
);
2694 __put_user(host_msginfo
->msgmni
, &target_msginfo
->msgmni
);
2695 __put_user(host_msginfo
->msgssz
, &target_msginfo
->msgssz
);
2696 __put_user(host_msginfo
->msgtql
, &target_msginfo
->msgtql
);
2697 __put_user(host_msginfo
->msgseg
, &target_msginfo
->msgseg
);
2698 unlock_user_struct(target_msginfo
, target_addr
, 1);
2702 static inline abi_long
do_msgctl(int msgid
, int cmd
, abi_long ptr
)
2704 struct msqid_ds dsarg
;
2705 struct msginfo msginfo
;
2706 abi_long ret
= -TARGET_EINVAL
;
2714 if (target_to_host_msqid_ds(&dsarg
,ptr
))
2715 return -TARGET_EFAULT
;
2716 ret
= get_errno(msgctl(msgid
, cmd
, &dsarg
));
2717 if (host_to_target_msqid_ds(ptr
,&dsarg
))
2718 return -TARGET_EFAULT
;
2721 ret
= get_errno(msgctl(msgid
, cmd
, NULL
));
2725 ret
= get_errno(msgctl(msgid
, cmd
, (struct msqid_ds
*)&msginfo
));
2726 if (host_to_target_msginfo(ptr
, &msginfo
))
2727 return -TARGET_EFAULT
;
2734 struct target_msgbuf
{
2739 static inline abi_long
do_msgsnd(int msqid
, abi_long msgp
,
2740 unsigned int msgsz
, int msgflg
)
2742 struct target_msgbuf
*target_mb
;
2743 struct msgbuf
*host_mb
;
2746 if (!lock_user_struct(VERIFY_READ
, target_mb
, msgp
, 0))
2747 return -TARGET_EFAULT
;
2748 host_mb
= malloc(msgsz
+sizeof(long));
2749 host_mb
->mtype
= (abi_long
) tswapal(target_mb
->mtype
);
2750 memcpy(host_mb
->mtext
, target_mb
->mtext
, msgsz
);
2751 ret
= get_errno(msgsnd(msqid
, host_mb
, msgsz
, msgflg
));
2753 unlock_user_struct(target_mb
, msgp
, 0);
2758 static inline abi_long
do_msgrcv(int msqid
, abi_long msgp
,
2759 unsigned int msgsz
, abi_long msgtyp
,
2762 struct target_msgbuf
*target_mb
;
2764 struct msgbuf
*host_mb
;
2767 if (!lock_user_struct(VERIFY_WRITE
, target_mb
, msgp
, 0))
2768 return -TARGET_EFAULT
;
2770 host_mb
= g_malloc(msgsz
+sizeof(long));
2771 ret
= get_errno(msgrcv(msqid
, host_mb
, msgsz
, msgtyp
, msgflg
));
2774 abi_ulong target_mtext_addr
= msgp
+ sizeof(abi_ulong
);
2775 target_mtext
= lock_user(VERIFY_WRITE
, target_mtext_addr
, ret
, 0);
2776 if (!target_mtext
) {
2777 ret
= -TARGET_EFAULT
;
2780 memcpy(target_mb
->mtext
, host_mb
->mtext
, ret
);
2781 unlock_user(target_mtext
, target_mtext_addr
, ret
);
2784 target_mb
->mtype
= tswapal(host_mb
->mtype
);
2788 unlock_user_struct(target_mb
, msgp
, 1);
2793 struct target_shmid_ds
2795 struct target_ipc_perm shm_perm
;
2796 abi_ulong shm_segsz
;
2797 abi_ulong shm_atime
;
2798 #if TARGET_ABI_BITS == 32
2799 abi_ulong __unused1
;
2801 abi_ulong shm_dtime
;
2802 #if TARGET_ABI_BITS == 32
2803 abi_ulong __unused2
;
2805 abi_ulong shm_ctime
;
2806 #if TARGET_ABI_BITS == 32
2807 abi_ulong __unused3
;
2811 abi_ulong shm_nattch
;
2812 unsigned long int __unused4
;
2813 unsigned long int __unused5
;
2816 static inline abi_long
target_to_host_shmid_ds(struct shmid_ds
*host_sd
,
2817 abi_ulong target_addr
)
2819 struct target_shmid_ds
*target_sd
;
2821 if (!lock_user_struct(VERIFY_READ
, target_sd
, target_addr
, 1))
2822 return -TARGET_EFAULT
;
2823 if (target_to_host_ipc_perm(&(host_sd
->shm_perm
), target_addr
))
2824 return -TARGET_EFAULT
;
2825 __get_user(host_sd
->shm_segsz
, &target_sd
->shm_segsz
);
2826 __get_user(host_sd
->shm_atime
, &target_sd
->shm_atime
);
2827 __get_user(host_sd
->shm_dtime
, &target_sd
->shm_dtime
);
2828 __get_user(host_sd
->shm_ctime
, &target_sd
->shm_ctime
);
2829 __get_user(host_sd
->shm_cpid
, &target_sd
->shm_cpid
);
2830 __get_user(host_sd
->shm_lpid
, &target_sd
->shm_lpid
);
2831 __get_user(host_sd
->shm_nattch
, &target_sd
->shm_nattch
);
2832 unlock_user_struct(target_sd
, target_addr
, 0);
2836 static inline abi_long
host_to_target_shmid_ds(abi_ulong target_addr
,
2837 struct shmid_ds
*host_sd
)
2839 struct target_shmid_ds
*target_sd
;
2841 if (!lock_user_struct(VERIFY_WRITE
, target_sd
, target_addr
, 0))
2842 return -TARGET_EFAULT
;
2843 if (host_to_target_ipc_perm(target_addr
, &(host_sd
->shm_perm
)))
2844 return -TARGET_EFAULT
;
2845 __put_user(host_sd
->shm_segsz
, &target_sd
->shm_segsz
);
2846 __put_user(host_sd
->shm_atime
, &target_sd
->shm_atime
);
2847 __put_user(host_sd
->shm_dtime
, &target_sd
->shm_dtime
);
2848 __put_user(host_sd
->shm_ctime
, &target_sd
->shm_ctime
);
2849 __put_user(host_sd
->shm_cpid
, &target_sd
->shm_cpid
);
2850 __put_user(host_sd
->shm_lpid
, &target_sd
->shm_lpid
);
2851 __put_user(host_sd
->shm_nattch
, &target_sd
->shm_nattch
);
2852 unlock_user_struct(target_sd
, target_addr
, 1);
2856 struct target_shminfo
{
2864 static inline abi_long
host_to_target_shminfo(abi_ulong target_addr
,
2865 struct shminfo
*host_shminfo
)
2867 struct target_shminfo
*target_shminfo
;
2868 if (!lock_user_struct(VERIFY_WRITE
, target_shminfo
, target_addr
, 0))
2869 return -TARGET_EFAULT
;
2870 __put_user(host_shminfo
->shmmax
, &target_shminfo
->shmmax
);
2871 __put_user(host_shminfo
->shmmin
, &target_shminfo
->shmmin
);
2872 __put_user(host_shminfo
->shmmni
, &target_shminfo
->shmmni
);
2873 __put_user(host_shminfo
->shmseg
, &target_shminfo
->shmseg
);
2874 __put_user(host_shminfo
->shmall
, &target_shminfo
->shmall
);
2875 unlock_user_struct(target_shminfo
, target_addr
, 1);
2879 struct target_shm_info
{
2884 abi_ulong swap_attempts
;
2885 abi_ulong swap_successes
;
2888 static inline abi_long
host_to_target_shm_info(abi_ulong target_addr
,
2889 struct shm_info
*host_shm_info
)
2891 struct target_shm_info
*target_shm_info
;
2892 if (!lock_user_struct(VERIFY_WRITE
, target_shm_info
, target_addr
, 0))
2893 return -TARGET_EFAULT
;
2894 __put_user(host_shm_info
->used_ids
, &target_shm_info
->used_ids
);
2895 __put_user(host_shm_info
->shm_tot
, &target_shm_info
->shm_tot
);
2896 __put_user(host_shm_info
->shm_rss
, &target_shm_info
->shm_rss
);
2897 __put_user(host_shm_info
->shm_swp
, &target_shm_info
->shm_swp
);
2898 __put_user(host_shm_info
->swap_attempts
, &target_shm_info
->swap_attempts
);
2899 __put_user(host_shm_info
->swap_successes
, &target_shm_info
->swap_successes
);
2900 unlock_user_struct(target_shm_info
, target_addr
, 1);
2904 static inline abi_long
do_shmctl(int shmid
, int cmd
, abi_long buf
)
2906 struct shmid_ds dsarg
;
2907 struct shminfo shminfo
;
2908 struct shm_info shm_info
;
2909 abi_long ret
= -TARGET_EINVAL
;
2917 if (target_to_host_shmid_ds(&dsarg
, buf
))
2918 return -TARGET_EFAULT
;
2919 ret
= get_errno(shmctl(shmid
, cmd
, &dsarg
));
2920 if (host_to_target_shmid_ds(buf
, &dsarg
))
2921 return -TARGET_EFAULT
;
2924 ret
= get_errno(shmctl(shmid
, cmd
, (struct shmid_ds
*)&shminfo
));
2925 if (host_to_target_shminfo(buf
, &shminfo
))
2926 return -TARGET_EFAULT
;
2929 ret
= get_errno(shmctl(shmid
, cmd
, (struct shmid_ds
*)&shm_info
));
2930 if (host_to_target_shm_info(buf
, &shm_info
))
2931 return -TARGET_EFAULT
;
2936 ret
= get_errno(shmctl(shmid
, cmd
, NULL
));
2943 static inline abi_ulong
do_shmat(int shmid
, abi_ulong shmaddr
, int shmflg
)
2947 struct shmid_ds shm_info
;
2950 /* find out the length of the shared memory segment */
2951 ret
= get_errno(shmctl(shmid
, IPC_STAT
, &shm_info
));
2952 if (is_error(ret
)) {
2953 /* can't get length, bail out */
2960 host_raddr
= shmat(shmid
, (void *)g2h(shmaddr
), shmflg
);
2962 abi_ulong mmap_start
;
2964 mmap_start
= mmap_find_vma(0, shm_info
.shm_segsz
);
2966 if (mmap_start
== -1) {
2968 host_raddr
= (void *)-1;
2970 host_raddr
= shmat(shmid
, g2h(mmap_start
), shmflg
| SHM_REMAP
);
2973 if (host_raddr
== (void *)-1) {
2975 return get_errno((long)host_raddr
);
2977 raddr
=h2g((unsigned long)host_raddr
);
2979 page_set_flags(raddr
, raddr
+ shm_info
.shm_segsz
,
2980 PAGE_VALID
| PAGE_READ
|
2981 ((shmflg
& SHM_RDONLY
)? 0 : PAGE_WRITE
));
2983 for (i
= 0; i
< N_SHM_REGIONS
; i
++) {
2984 if (shm_regions
[i
].start
== 0) {
2985 shm_regions
[i
].start
= raddr
;
2986 shm_regions
[i
].size
= shm_info
.shm_segsz
;
2996 static inline abi_long
do_shmdt(abi_ulong shmaddr
)
3000 for (i
= 0; i
< N_SHM_REGIONS
; ++i
) {
3001 if (shm_regions
[i
].start
== shmaddr
) {
3002 shm_regions
[i
].start
= 0;
3003 page_set_flags(shmaddr
, shmaddr
+ shm_regions
[i
].size
, 0);
3008 return get_errno(shmdt(g2h(shmaddr
)));
3011 #ifdef TARGET_NR_ipc
3012 /* ??? This only works with linear mappings. */
3013 /* do_ipc() must return target values and target errnos. */
3014 static abi_long
do_ipc(unsigned int call
, int first
,
3015 int second
, int third
,
3016 abi_long ptr
, abi_long fifth
)
3021 version
= call
>> 16;
3026 ret
= do_semop(first
, ptr
, second
);
3030 ret
= get_errno(semget(first
, second
, third
));
3034 ret
= do_semctl(first
, second
, third
, (union target_semun
)(abi_ulong
) ptr
);
3038 ret
= get_errno(msgget(first
, second
));
3042 ret
= do_msgsnd(first
, ptr
, second
, third
);
3046 ret
= do_msgctl(first
, second
, ptr
);
3053 struct target_ipc_kludge
{
3058 if (!lock_user_struct(VERIFY_READ
, tmp
, ptr
, 1)) {
3059 ret
= -TARGET_EFAULT
;
3063 ret
= do_msgrcv(first
, tswapal(tmp
->msgp
), second
, tswapal(tmp
->msgtyp
), third
);
3065 unlock_user_struct(tmp
, ptr
, 0);
3069 ret
= do_msgrcv(first
, ptr
, second
, fifth
, third
);
3078 raddr
= do_shmat(first
, ptr
, second
);
3079 if (is_error(raddr
))
3080 return get_errno(raddr
);
3081 if (put_user_ual(raddr
, third
))
3082 return -TARGET_EFAULT
;
3086 ret
= -TARGET_EINVAL
;
3091 ret
= do_shmdt(ptr
);
3095 /* IPC_* flag values are the same on all linux platforms */
3096 ret
= get_errno(shmget(first
, second
, third
));
3099 /* IPC_* and SHM_* command values are the same on all linux platforms */
3101 ret
= do_shmctl(first
, second
, third
);
3104 gemu_log("Unsupported ipc call: %d (version %d)\n", call
, version
);
3105 ret
= -TARGET_ENOSYS
;
3112 /* kernel structure types definitions */
3114 #define STRUCT(name, ...) STRUCT_ ## name,
3115 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
3117 #include "syscall_types.h"
3120 #undef STRUCT_SPECIAL
3122 #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
3123 #define STRUCT_SPECIAL(name)
3124 #include "syscall_types.h"
3126 #undef STRUCT_SPECIAL
3128 typedef struct IOCTLEntry IOCTLEntry
;
3130 typedef abi_long
do_ioctl_fn(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
3131 int fd
, abi_long cmd
, abi_long arg
);
3134 unsigned int target_cmd
;
3135 unsigned int host_cmd
;
3138 do_ioctl_fn
*do_ioctl
;
3139 const argtype arg_type
[5];
3142 #define IOC_R 0x0001
3143 #define IOC_W 0x0002
3144 #define IOC_RW (IOC_R | IOC_W)
3146 #define MAX_STRUCT_SIZE 4096
3148 #ifdef CONFIG_FIEMAP
3149 /* So fiemap access checks don't overflow on 32 bit systems.
3150 * This is very slightly smaller than the limit imposed by
3151 * the underlying kernel.
3153 #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \
3154 / sizeof(struct fiemap_extent))
3156 static abi_long
do_ioctl_fs_ioc_fiemap(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
3157 int fd
, abi_long cmd
, abi_long arg
)
3159 /* The parameter for this ioctl is a struct fiemap followed
3160 * by an array of struct fiemap_extent whose size is set
3161 * in fiemap->fm_extent_count. The array is filled in by the
3164 int target_size_in
, target_size_out
;
3166 const argtype
*arg_type
= ie
->arg_type
;
3167 const argtype extent_arg_type
[] = { MK_STRUCT(STRUCT_fiemap_extent
) };
3170 int i
, extent_size
= thunk_type_size(extent_arg_type
, 0);
3174 assert(arg_type
[0] == TYPE_PTR
);
3175 assert(ie
->access
== IOC_RW
);
3177 target_size_in
= thunk_type_size(arg_type
, 0);
3178 argptr
= lock_user(VERIFY_READ
, arg
, target_size_in
, 1);
3180 return -TARGET_EFAULT
;
3182 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3183 unlock_user(argptr
, arg
, 0);
3184 fm
= (struct fiemap
*)buf_temp
;
3185 if (fm
->fm_extent_count
> FIEMAP_MAX_EXTENTS
) {
3186 return -TARGET_EINVAL
;
3189 outbufsz
= sizeof (*fm
) +
3190 (sizeof(struct fiemap_extent
) * fm
->fm_extent_count
);
3192 if (outbufsz
> MAX_STRUCT_SIZE
) {
3193 /* We can't fit all the extents into the fixed size buffer.
3194 * Allocate one that is large enough and use it instead.
3196 fm
= malloc(outbufsz
);
3198 return -TARGET_ENOMEM
;
3200 memcpy(fm
, buf_temp
, sizeof(struct fiemap
));
3203 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, fm
));
3204 if (!is_error(ret
)) {
3205 target_size_out
= target_size_in
;
3206 /* An extent_count of 0 means we were only counting the extents
3207 * so there are no structs to copy
3209 if (fm
->fm_extent_count
!= 0) {
3210 target_size_out
+= fm
->fm_mapped_extents
* extent_size
;
3212 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size_out
, 0);
3214 ret
= -TARGET_EFAULT
;
3216 /* Convert the struct fiemap */
3217 thunk_convert(argptr
, fm
, arg_type
, THUNK_TARGET
);
3218 if (fm
->fm_extent_count
!= 0) {
3219 p
= argptr
+ target_size_in
;
3220 /* ...and then all the struct fiemap_extents */
3221 for (i
= 0; i
< fm
->fm_mapped_extents
; i
++) {
3222 thunk_convert(p
, &fm
->fm_extents
[i
], extent_arg_type
,
3227 unlock_user(argptr
, arg
, target_size_out
);
3237 static abi_long
do_ioctl_ifconf(const IOCTLEntry
*ie
, uint8_t *buf_temp
,
3238 int fd
, abi_long cmd
, abi_long arg
)
3240 const argtype
*arg_type
= ie
->arg_type
;
3244 struct ifconf
*host_ifconf
;
3246 const argtype ifreq_arg_type
[] = { MK_STRUCT(STRUCT_sockaddr_ifreq
) };
3247 int target_ifreq_size
;
3252 abi_long target_ifc_buf
;
3256 assert(arg_type
[0] == TYPE_PTR
);
3257 assert(ie
->access
== IOC_RW
);
3260 target_size
= thunk_type_size(arg_type
, 0);
3262 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3264 return -TARGET_EFAULT
;
3265 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3266 unlock_user(argptr
, arg
, 0);
3268 host_ifconf
= (struct ifconf
*)(unsigned long)buf_temp
;
3269 target_ifc_len
= host_ifconf
->ifc_len
;
3270 target_ifc_buf
= (abi_long
)(unsigned long)host_ifconf
->ifc_buf
;
3272 target_ifreq_size
= thunk_type_size(ifreq_arg_type
, 0);
3273 nb_ifreq
= target_ifc_len
/ target_ifreq_size
;
3274 host_ifc_len
= nb_ifreq
* sizeof(struct ifreq
);
3276 outbufsz
= sizeof(*host_ifconf
) + host_ifc_len
;
3277 if (outbufsz
> MAX_STRUCT_SIZE
) {
3278 /* We can't fit all the extents into the fixed size buffer.
3279 * Allocate one that is large enough and use it instead.
3281 host_ifconf
= malloc(outbufsz
);
3283 return -TARGET_ENOMEM
;
3285 memcpy(host_ifconf
, buf_temp
, sizeof(*host_ifconf
));
3288 host_ifc_buf
= (char*)host_ifconf
+ sizeof(*host_ifconf
);
3290 host_ifconf
->ifc_len
= host_ifc_len
;
3291 host_ifconf
->ifc_buf
= host_ifc_buf
;
3293 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, host_ifconf
));
3294 if (!is_error(ret
)) {
3295 /* convert host ifc_len to target ifc_len */
3297 nb_ifreq
= host_ifconf
->ifc_len
/ sizeof(struct ifreq
);
3298 target_ifc_len
= nb_ifreq
* target_ifreq_size
;
3299 host_ifconf
->ifc_len
= target_ifc_len
;
3301 /* restore target ifc_buf */
3303 host_ifconf
->ifc_buf
= (char *)(unsigned long)target_ifc_buf
;
3305 /* copy struct ifconf to target user */
3307 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3309 return -TARGET_EFAULT
;
3310 thunk_convert(argptr
, host_ifconf
, arg_type
, THUNK_TARGET
);
3311 unlock_user(argptr
, arg
, target_size
);
3313 /* copy ifreq[] to target user */
3315 argptr
= lock_user(VERIFY_WRITE
, target_ifc_buf
, target_ifc_len
, 0);
3316 for (i
= 0; i
< nb_ifreq
; i
++) {
3317 thunk_convert(argptr
+ i
* target_ifreq_size
,
3318 host_ifc_buf
+ i
* sizeof(struct ifreq
),
3319 ifreq_arg_type
, THUNK_TARGET
);
3321 unlock_user(argptr
, target_ifc_buf
, target_ifc_len
);
3331 static abi_long
do_ioctl_dm(const IOCTLEntry
*ie
, uint8_t *buf_temp
, int fd
,
3332 abi_long cmd
, abi_long arg
)
3335 struct dm_ioctl
*host_dm
;
3336 abi_long guest_data
;
3337 uint32_t guest_data_size
;
3339 const argtype
*arg_type
= ie
->arg_type
;
3341 void *big_buf
= NULL
;
3345 target_size
= thunk_type_size(arg_type
, 0);
3346 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3348 ret
= -TARGET_EFAULT
;
3351 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3352 unlock_user(argptr
, arg
, 0);
3354 /* buf_temp is too small, so fetch things into a bigger buffer */
3355 big_buf
= g_malloc0(((struct dm_ioctl
*)buf_temp
)->data_size
* 2);
3356 memcpy(big_buf
, buf_temp
, target_size
);
3360 guest_data
= arg
+ host_dm
->data_start
;
3361 if ((guest_data
- arg
) < 0) {
3365 guest_data_size
= host_dm
->data_size
- host_dm
->data_start
;
3366 host_data
= (char*)host_dm
+ host_dm
->data_start
;
3368 argptr
= lock_user(VERIFY_READ
, guest_data
, guest_data_size
, 1);
3369 switch (ie
->host_cmd
) {
3371 case DM_LIST_DEVICES
:
3374 case DM_DEV_SUSPEND
:
3377 case DM_TABLE_STATUS
:
3378 case DM_TABLE_CLEAR
:
3380 case DM_LIST_VERSIONS
:
3384 case DM_DEV_SET_GEOMETRY
:
3385 /* data contains only strings */
3386 memcpy(host_data
, argptr
, guest_data_size
);
3389 memcpy(host_data
, argptr
, guest_data_size
);
3390 *(uint64_t*)host_data
= tswap64(*(uint64_t*)argptr
);
3394 void *gspec
= argptr
;
3395 void *cur_data
= host_data
;
3396 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_spec
) };
3397 int spec_size
= thunk_type_size(arg_type
, 0);
3400 for (i
= 0; i
< host_dm
->target_count
; i
++) {
3401 struct dm_target_spec
*spec
= cur_data
;
3405 thunk_convert(spec
, gspec
, arg_type
, THUNK_HOST
);
3406 slen
= strlen((char*)gspec
+ spec_size
) + 1;
3408 spec
->next
= sizeof(*spec
) + slen
;
3409 strcpy((char*)&spec
[1], gspec
+ spec_size
);
3411 cur_data
+= spec
->next
;
3416 ret
= -TARGET_EINVAL
;
3419 unlock_user(argptr
, guest_data
, 0);
3421 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3422 if (!is_error(ret
)) {
3423 guest_data
= arg
+ host_dm
->data_start
;
3424 guest_data_size
= host_dm
->data_size
- host_dm
->data_start
;
3425 argptr
= lock_user(VERIFY_WRITE
, guest_data
, guest_data_size
, 0);
3426 switch (ie
->host_cmd
) {
3431 case DM_DEV_SUSPEND
:
3434 case DM_TABLE_CLEAR
:
3436 case DM_DEV_SET_GEOMETRY
:
3437 /* no return data */
3439 case DM_LIST_DEVICES
:
3441 struct dm_name_list
*nl
= (void*)host_dm
+ host_dm
->data_start
;
3442 uint32_t remaining_data
= guest_data_size
;
3443 void *cur_data
= argptr
;
3444 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_name_list
) };
3445 int nl_size
= 12; /* can't use thunk_size due to alignment */
3448 uint32_t next
= nl
->next
;
3450 nl
->next
= nl_size
+ (strlen(nl
->name
) + 1);
3452 if (remaining_data
< nl
->next
) {
3453 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
3456 thunk_convert(cur_data
, nl
, arg_type
, THUNK_TARGET
);
3457 strcpy(cur_data
+ nl_size
, nl
->name
);
3458 cur_data
+= nl
->next
;
3459 remaining_data
-= nl
->next
;
3463 nl
= (void*)nl
+ next
;
3468 case DM_TABLE_STATUS
:
3470 struct dm_target_spec
*spec
= (void*)host_dm
+ host_dm
->data_start
;
3471 void *cur_data
= argptr
;
3472 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_spec
) };
3473 int spec_size
= thunk_type_size(arg_type
, 0);
3476 for (i
= 0; i
< host_dm
->target_count
; i
++) {
3477 uint32_t next
= spec
->next
;
3478 int slen
= strlen((char*)&spec
[1]) + 1;
3479 spec
->next
= (cur_data
- argptr
) + spec_size
+ slen
;
3480 if (guest_data_size
< spec
->next
) {
3481 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
3484 thunk_convert(cur_data
, spec
, arg_type
, THUNK_TARGET
);
3485 strcpy(cur_data
+ spec_size
, (char*)&spec
[1]);
3486 cur_data
= argptr
+ spec
->next
;
3487 spec
= (void*)host_dm
+ host_dm
->data_start
+ next
;
3493 void *hdata
= (void*)host_dm
+ host_dm
->data_start
;
3494 int count
= *(uint32_t*)hdata
;
3495 uint64_t *hdev
= hdata
+ 8;
3496 uint64_t *gdev
= argptr
+ 8;
3499 *(uint32_t*)argptr
= tswap32(count
);
3500 for (i
= 0; i
< count
; i
++) {
3501 *gdev
= tswap64(*hdev
);
3507 case DM_LIST_VERSIONS
:
3509 struct dm_target_versions
*vers
= (void*)host_dm
+ host_dm
->data_start
;
3510 uint32_t remaining_data
= guest_data_size
;
3511 void *cur_data
= argptr
;
3512 const argtype arg_type
[] = { MK_STRUCT(STRUCT_dm_target_versions
) };
3513 int vers_size
= thunk_type_size(arg_type
, 0);
3516 uint32_t next
= vers
->next
;
3518 vers
->next
= vers_size
+ (strlen(vers
->name
) + 1);
3520 if (remaining_data
< vers
->next
) {
3521 host_dm
->flags
|= DM_BUFFER_FULL_FLAG
;
3524 thunk_convert(cur_data
, vers
, arg_type
, THUNK_TARGET
);
3525 strcpy(cur_data
+ vers_size
, vers
->name
);
3526 cur_data
+= vers
->next
;
3527 remaining_data
-= vers
->next
;
3531 vers
= (void*)vers
+ next
;
3536 ret
= -TARGET_EINVAL
;
3539 unlock_user(argptr
, guest_data
, guest_data_size
);
3541 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3543 ret
= -TARGET_EFAULT
;
3546 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
3547 unlock_user(argptr
, arg
, target_size
);
3554 static IOCTLEntry ioctl_entries
[] = {
3555 #define IOCTL(cmd, access, ...) \
3556 { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } },
3557 #define IOCTL_SPECIAL(cmd, access, dofn, ...) \
3558 { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } },
3563 /* ??? Implement proper locking for ioctls. */
3564 /* do_ioctl() Must return target values and target errnos. */
3565 static abi_long
do_ioctl(int fd
, abi_long cmd
, abi_long arg
)
3567 const IOCTLEntry
*ie
;
3568 const argtype
*arg_type
;
3570 uint8_t buf_temp
[MAX_STRUCT_SIZE
];
3576 if (ie
->target_cmd
== 0) {
3577 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd
);
3578 return -TARGET_ENOSYS
;
3580 if (ie
->target_cmd
== cmd
)
3584 arg_type
= ie
->arg_type
;
3586 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd
, ie
->name
);
3589 return ie
->do_ioctl(ie
, buf_temp
, fd
, cmd
, arg
);
3592 switch(arg_type
[0]) {
3595 ret
= get_errno(ioctl(fd
, ie
->host_cmd
));
3600 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, arg
));
3604 target_size
= thunk_type_size(arg_type
, 0);
3605 switch(ie
->access
) {
3607 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3608 if (!is_error(ret
)) {
3609 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3611 return -TARGET_EFAULT
;
3612 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
3613 unlock_user(argptr
, arg
, target_size
);
3617 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3619 return -TARGET_EFAULT
;
3620 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3621 unlock_user(argptr
, arg
, 0);
3622 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3626 argptr
= lock_user(VERIFY_READ
, arg
, target_size
, 1);
3628 return -TARGET_EFAULT
;
3629 thunk_convert(buf_temp
, argptr
, arg_type
, THUNK_HOST
);
3630 unlock_user(argptr
, arg
, 0);
3631 ret
= get_errno(ioctl(fd
, ie
->host_cmd
, buf_temp
));
3632 if (!is_error(ret
)) {
3633 argptr
= lock_user(VERIFY_WRITE
, arg
, target_size
, 0);
3635 return -TARGET_EFAULT
;
3636 thunk_convert(argptr
, buf_temp
, arg_type
, THUNK_TARGET
);
3637 unlock_user(argptr
, arg
, target_size
);
3643 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3644 (long)cmd
, arg_type
[0]);
3645 ret
= -TARGET_ENOSYS
;
3651 static const bitmask_transtbl iflag_tbl
[] = {
3652 { TARGET_IGNBRK
, TARGET_IGNBRK
, IGNBRK
, IGNBRK
},
3653 { TARGET_BRKINT
, TARGET_BRKINT
, BRKINT
, BRKINT
},
3654 { TARGET_IGNPAR
, TARGET_IGNPAR
, IGNPAR
, IGNPAR
},
3655 { TARGET_PARMRK
, TARGET_PARMRK
, PARMRK
, PARMRK
},
3656 { TARGET_INPCK
, TARGET_INPCK
, INPCK
, INPCK
},
3657 { TARGET_ISTRIP
, TARGET_ISTRIP
, ISTRIP
, ISTRIP
},
3658 { TARGET_INLCR
, TARGET_INLCR
, INLCR
, INLCR
},
3659 { TARGET_IGNCR
, TARGET_IGNCR
, IGNCR
, IGNCR
},
3660 { TARGET_ICRNL
, TARGET_ICRNL
, ICRNL
, ICRNL
},
3661 { TARGET_IUCLC
, TARGET_IUCLC
, IUCLC
, IUCLC
},
3662 { TARGET_IXON
, TARGET_IXON
, IXON
, IXON
},
3663 { TARGET_IXANY
, TARGET_IXANY
, IXANY
, IXANY
},
3664 { TARGET_IXOFF
, TARGET_IXOFF
, IXOFF
, IXOFF
},
3665 { TARGET_IMAXBEL
, TARGET_IMAXBEL
, IMAXBEL
, IMAXBEL
},
3669 static const bitmask_transtbl oflag_tbl
[] = {
3670 { TARGET_OPOST
, TARGET_OPOST
, OPOST
, OPOST
},
3671 { TARGET_OLCUC
, TARGET_OLCUC
, OLCUC
, OLCUC
},
3672 { TARGET_ONLCR
, TARGET_ONLCR
, ONLCR
, ONLCR
},
3673 { TARGET_OCRNL
, TARGET_OCRNL
, OCRNL
, OCRNL
},
3674 { TARGET_ONOCR
, TARGET_ONOCR
, ONOCR
, ONOCR
},
3675 { TARGET_ONLRET
, TARGET_ONLRET
, ONLRET
, ONLRET
},
3676 { TARGET_OFILL
, TARGET_OFILL
, OFILL
, OFILL
},
3677 { TARGET_OFDEL
, TARGET_OFDEL
, OFDEL
, OFDEL
},
3678 { TARGET_NLDLY
, TARGET_NL0
, NLDLY
, NL0
},
3679 { TARGET_NLDLY
, TARGET_NL1
, NLDLY
, NL1
},
3680 { TARGET_CRDLY
, TARGET_CR0
, CRDLY
, CR0
},
3681 { TARGET_CRDLY
, TARGET_CR1
, CRDLY
, CR1
},
3682 { TARGET_CRDLY
, TARGET_CR2
, CRDLY
, CR2
},
3683 { TARGET_CRDLY
, TARGET_CR3
, CRDLY
, CR3
},
3684 { TARGET_TABDLY
, TARGET_TAB0
, TABDLY
, TAB0
},
3685 { TARGET_TABDLY
, TARGET_TAB1
, TABDLY
, TAB1
},
3686 { TARGET_TABDLY
, TARGET_TAB2
, TABDLY
, TAB2
},
3687 { TARGET_TABDLY
, TARGET_TAB3
, TABDLY
, TAB3
},
3688 { TARGET_BSDLY
, TARGET_BS0
, BSDLY
, BS0
},
3689 { TARGET_BSDLY
, TARGET_BS1
, BSDLY
, BS1
},
3690 { TARGET_VTDLY
, TARGET_VT0
, VTDLY
, VT0
},
3691 { TARGET_VTDLY
, TARGET_VT1
, VTDLY
, VT1
},
3692 { TARGET_FFDLY
, TARGET_FF0
, FFDLY
, FF0
},
3693 { TARGET_FFDLY
, TARGET_FF1
, FFDLY
, FF1
},
3697 static const bitmask_transtbl cflag_tbl
[] = {
3698 { TARGET_CBAUD
, TARGET_B0
, CBAUD
, B0
},
3699 { TARGET_CBAUD
, TARGET_B50
, CBAUD
, B50
},
3700 { TARGET_CBAUD
, TARGET_B75
, CBAUD
, B75
},
3701 { TARGET_CBAUD
, TARGET_B110
, CBAUD
, B110
},
3702 { TARGET_CBAUD
, TARGET_B134
, CBAUD
, B134
},
3703 { TARGET_CBAUD
, TARGET_B150
, CBAUD
, B150
},
3704 { TARGET_CBAUD
, TARGET_B200
, CBAUD
, B200
},
3705 { TARGET_CBAUD
, TARGET_B300
, CBAUD
, B300
},
3706 { TARGET_CBAUD
, TARGET_B600
, CBAUD
, B600
},
3707 { TARGET_CBAUD
, TARGET_B1200
, CBAUD
, B1200
},
3708 { TARGET_CBAUD
, TARGET_B1800
, CBAUD
, B1800
},
3709 { TARGET_CBAUD
, TARGET_B2400
, CBAUD
, B2400
},
3710 { TARGET_CBAUD
, TARGET_B4800
, CBAUD
, B4800
},
3711 { TARGET_CBAUD
, TARGET_B9600
, CBAUD
, B9600
},
3712 { TARGET_CBAUD
, TARGET_B19200
, CBAUD
, B19200
},
3713 { TARGET_CBAUD
, TARGET_B38400
, CBAUD
, B38400
},
3714 { TARGET_CBAUD
, TARGET_B57600
, CBAUD
, B57600
},
3715 { TARGET_CBAUD
, TARGET_B115200
, CBAUD
, B115200
},
3716 { TARGET_CBAUD
, TARGET_B230400
, CBAUD
, B230400
},
3717 { TARGET_CBAUD
, TARGET_B460800
, CBAUD
, B460800
},
3718 { TARGET_CSIZE
, TARGET_CS5
, CSIZE
, CS5
},
3719 { TARGET_CSIZE
, TARGET_CS6
, CSIZE
, CS6
},
3720 { TARGET_CSIZE
, TARGET_CS7
, CSIZE
, CS7
},
3721 { TARGET_CSIZE
, TARGET_CS8
, CSIZE
, CS8
},
3722 { TARGET_CSTOPB
, TARGET_CSTOPB
, CSTOPB
, CSTOPB
},
3723 { TARGET_CREAD
, TARGET_CREAD
, CREAD
, CREAD
},
3724 { TARGET_PARENB
, TARGET_PARENB
, PARENB
, PARENB
},
3725 { TARGET_PARODD
, TARGET_PARODD
, PARODD
, PARODD
},
3726 { TARGET_HUPCL
, TARGET_HUPCL
, HUPCL
, HUPCL
},
3727 { TARGET_CLOCAL
, TARGET_CLOCAL
, CLOCAL
, CLOCAL
},
3728 { TARGET_CRTSCTS
, TARGET_CRTSCTS
, CRTSCTS
, CRTSCTS
},
3732 static const bitmask_transtbl lflag_tbl
[] = {
3733 { TARGET_ISIG
, TARGET_ISIG
, ISIG
, ISIG
},
3734 { TARGET_ICANON
, TARGET_ICANON
, ICANON
, ICANON
},
3735 { TARGET_XCASE
, TARGET_XCASE
, XCASE
, XCASE
},
3736 { TARGET_ECHO
, TARGET_ECHO
, ECHO
, ECHO
},
3737 { TARGET_ECHOE
, TARGET_ECHOE
, ECHOE
, ECHOE
},
3738 { TARGET_ECHOK
, TARGET_ECHOK
, ECHOK
, ECHOK
},
3739 { TARGET_ECHONL
, TARGET_ECHONL
, ECHONL
, ECHONL
},
3740 { TARGET_NOFLSH
, TARGET_NOFLSH
, NOFLSH
, NOFLSH
},
3741 { TARGET_TOSTOP
, TARGET_TOSTOP
, TOSTOP
, TOSTOP
},
3742 { TARGET_ECHOCTL
, TARGET_ECHOCTL
, ECHOCTL
, ECHOCTL
},
3743 { TARGET_ECHOPRT
, TARGET_ECHOPRT
, ECHOPRT
, ECHOPRT
},
3744 { TARGET_ECHOKE
, TARGET_ECHOKE
, ECHOKE
, ECHOKE
},
3745 { TARGET_FLUSHO
, TARGET_FLUSHO
, FLUSHO
, FLUSHO
},
3746 { TARGET_PENDIN
, TARGET_PENDIN
, PENDIN
, PENDIN
},
3747 { TARGET_IEXTEN
, TARGET_IEXTEN
, IEXTEN
, IEXTEN
},
3751 static void target_to_host_termios (void *dst
, const void *src
)
3753 struct host_termios
*host
= dst
;
3754 const struct target_termios
*target
= src
;
3757 target_to_host_bitmask(tswap32(target
->c_iflag
), iflag_tbl
);
3759 target_to_host_bitmask(tswap32(target
->c_oflag
), oflag_tbl
);
3761 target_to_host_bitmask(tswap32(target
->c_cflag
), cflag_tbl
);
3763 target_to_host_bitmask(tswap32(target
->c_lflag
), lflag_tbl
);
3764 host
->c_line
= target
->c_line
;
3766 memset(host
->c_cc
, 0, sizeof(host
->c_cc
));
3767 host
->c_cc
[VINTR
] = target
->c_cc
[TARGET_VINTR
];
3768 host
->c_cc
[VQUIT
] = target
->c_cc
[TARGET_VQUIT
];
3769 host
->c_cc
[VERASE
] = target
->c_cc
[TARGET_VERASE
];
3770 host
->c_cc
[VKILL
] = target
->c_cc
[TARGET_VKILL
];
3771 host
->c_cc
[VEOF
] = target
->c_cc
[TARGET_VEOF
];
3772 host
->c_cc
[VTIME
] = target
->c_cc
[TARGET_VTIME
];
3773 host
->c_cc
[VMIN
] = target
->c_cc
[TARGET_VMIN
];
3774 host
->c_cc
[VSWTC
] = target
->c_cc
[TARGET_VSWTC
];
3775 host
->c_cc
[VSTART
] = target
->c_cc
[TARGET_VSTART
];
3776 host
->c_cc
[VSTOP
] = target
->c_cc
[TARGET_VSTOP
];
3777 host
->c_cc
[VSUSP
] = target
->c_cc
[TARGET_VSUSP
];
3778 host
->c_cc
[VEOL
] = target
->c_cc
[TARGET_VEOL
];
3779 host
->c_cc
[VREPRINT
] = target
->c_cc
[TARGET_VREPRINT
];
3780 host
->c_cc
[VDISCARD
] = target
->c_cc
[TARGET_VDISCARD
];
3781 host
->c_cc
[VWERASE
] = target
->c_cc
[TARGET_VWERASE
];
3782 host
->c_cc
[VLNEXT
] = target
->c_cc
[TARGET_VLNEXT
];
3783 host
->c_cc
[VEOL2
] = target
->c_cc
[TARGET_VEOL2
];
3786 static void host_to_target_termios (void *dst
, const void *src
)
3788 struct target_termios
*target
= dst
;
3789 const struct host_termios
*host
= src
;
3792 tswap32(host_to_target_bitmask(host
->c_iflag
, iflag_tbl
));
3794 tswap32(host_to_target_bitmask(host
->c_oflag
, oflag_tbl
));
3796 tswap32(host_to_target_bitmask(host
->c_cflag
, cflag_tbl
));
3798 tswap32(host_to_target_bitmask(host
->c_lflag
, lflag_tbl
));
3799 target
->c_line
= host
->c_line
;
3801 memset(target
->c_cc
, 0, sizeof(target
->c_cc
));
3802 target
->c_cc
[TARGET_VINTR
] = host
->c_cc
[VINTR
];
3803 target
->c_cc
[TARGET_VQUIT
] = host
->c_cc
[VQUIT
];
3804 target
->c_cc
[TARGET_VERASE
] = host
->c_cc
[VERASE
];
3805 target
->c_cc
[TARGET_VKILL
] = host
->c_cc
[VKILL
];
3806 target
->c_cc
[TARGET_VEOF
] = host
->c_cc
[VEOF
];
3807 target
->c_cc
[TARGET_VTIME
] = host
->c_cc
[VTIME
];
3808 target
->c_cc
[TARGET_VMIN
] = host
->c_cc
[VMIN
];
3809 target
->c_cc
[TARGET_VSWTC
] = host
->c_cc
[VSWTC
];
3810 target
->c_cc
[TARGET_VSTART
] = host
->c_cc
[VSTART
];
3811 target
->c_cc
[TARGET_VSTOP
] = host
->c_cc
[VSTOP
];
3812 target
->c_cc
[TARGET_VSUSP
] = host
->c_cc
[VSUSP
];
3813 target
->c_cc
[TARGET_VEOL
] = host
->c_cc
[VEOL
];
3814 target
->c_cc
[TARGET_VREPRINT
] = host
->c_cc
[VREPRINT
];
3815 target
->c_cc
[TARGET_VDISCARD
] = host
->c_cc
[VDISCARD
];
3816 target
->c_cc
[TARGET_VWERASE
] = host
->c_cc
[VWERASE
];
3817 target
->c_cc
[TARGET_VLNEXT
] = host
->c_cc
[VLNEXT
];
3818 target
->c_cc
[TARGET_VEOL2
] = host
->c_cc
[VEOL2
];
3821 static const StructEntry struct_termios_def
= {
3822 .convert
= { host_to_target_termios
, target_to_host_termios
},
3823 .size
= { sizeof(struct target_termios
), sizeof(struct host_termios
) },
3824 .align
= { __alignof__(struct target_termios
), __alignof__(struct host_termios
) },
3827 static bitmask_transtbl mmap_flags_tbl
[] = {
3828 { TARGET_MAP_SHARED
, TARGET_MAP_SHARED
, MAP_SHARED
, MAP_SHARED
},
3829 { TARGET_MAP_PRIVATE
, TARGET_MAP_PRIVATE
, MAP_PRIVATE
, MAP_PRIVATE
},
3830 { TARGET_MAP_FIXED
, TARGET_MAP_FIXED
, MAP_FIXED
, MAP_FIXED
},
3831 { TARGET_MAP_ANONYMOUS
, TARGET_MAP_ANONYMOUS
, MAP_ANONYMOUS
, MAP_ANONYMOUS
},
3832 { TARGET_MAP_GROWSDOWN
, TARGET_MAP_GROWSDOWN
, MAP_GROWSDOWN
, MAP_GROWSDOWN
},
3833 { TARGET_MAP_DENYWRITE
, TARGET_MAP_DENYWRITE
, MAP_DENYWRITE
, MAP_DENYWRITE
},
3834 { TARGET_MAP_EXECUTABLE
, TARGET_MAP_EXECUTABLE
, MAP_EXECUTABLE
, MAP_EXECUTABLE
},
3835 { TARGET_MAP_LOCKED
, TARGET_MAP_LOCKED
, MAP_LOCKED
, MAP_LOCKED
},
3839 #if defined(TARGET_I386)
3841 /* NOTE: there is really one LDT for all the threads */
3842 static uint8_t *ldt_table
;
3844 static abi_long
read_ldt(abi_ulong ptr
, unsigned long bytecount
)
3851 size
= TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
;
3852 if (size
> bytecount
)
3854 p
= lock_user(VERIFY_WRITE
, ptr
, size
, 0);
3856 return -TARGET_EFAULT
;
3857 /* ??? Should this by byteswapped? */
3858 memcpy(p
, ldt_table
, size
);
3859 unlock_user(p
, ptr
, size
);
3863 /* XXX: add locking support */
3864 static abi_long
write_ldt(CPUX86State
*env
,
3865 abi_ulong ptr
, unsigned long bytecount
, int oldmode
)
3867 struct target_modify_ldt_ldt_s ldt_info
;
3868 struct target_modify_ldt_ldt_s
*target_ldt_info
;
3869 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
;
3870 int seg_not_present
, useable
, lm
;
3871 uint32_t *lp
, entry_1
, entry_2
;
3873 if (bytecount
!= sizeof(ldt_info
))
3874 return -TARGET_EINVAL
;
3875 if (!lock_user_struct(VERIFY_READ
, target_ldt_info
, ptr
, 1))
3876 return -TARGET_EFAULT
;
3877 ldt_info
.entry_number
= tswap32(target_ldt_info
->entry_number
);
3878 ldt_info
.base_addr
= tswapal(target_ldt_info
->base_addr
);
3879 ldt_info
.limit
= tswap32(target_ldt_info
->limit
);
3880 ldt_info
.flags
= tswap32(target_ldt_info
->flags
);
3881 unlock_user_struct(target_ldt_info
, ptr
, 0);
3883 if (ldt_info
.entry_number
>= TARGET_LDT_ENTRIES
)
3884 return -TARGET_EINVAL
;
3885 seg_32bit
= ldt_info
.flags
& 1;
3886 contents
= (ldt_info
.flags
>> 1) & 3;
3887 read_exec_only
= (ldt_info
.flags
>> 3) & 1;
3888 limit_in_pages
= (ldt_info
.flags
>> 4) & 1;
3889 seg_not_present
= (ldt_info
.flags
>> 5) & 1;
3890 useable
= (ldt_info
.flags
>> 6) & 1;
3894 lm
= (ldt_info
.flags
>> 7) & 1;
3896 if (contents
== 3) {
3898 return -TARGET_EINVAL
;
3899 if (seg_not_present
== 0)
3900 return -TARGET_EINVAL
;
3902 /* allocate the LDT */
3904 env
->ldt
.base
= target_mmap(0,
3905 TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
,
3906 PROT_READ
|PROT_WRITE
,
3907 MAP_ANONYMOUS
|MAP_PRIVATE
, -1, 0);
3908 if (env
->ldt
.base
== -1)
3909 return -TARGET_ENOMEM
;
3910 memset(g2h(env
->ldt
.base
), 0,
3911 TARGET_LDT_ENTRIES
* TARGET_LDT_ENTRY_SIZE
);
3912 env
->ldt
.limit
= 0xffff;
3913 ldt_table
= g2h(env
->ldt
.base
);
3916 /* NOTE: same code as Linux kernel */
3917 /* Allow LDTs to be cleared by the user. */
3918 if (ldt_info
.base_addr
== 0 && ldt_info
.limit
== 0) {
3921 read_exec_only
== 1 &&
3923 limit_in_pages
== 0 &&
3924 seg_not_present
== 1 &&
3932 entry_1
= ((ldt_info
.base_addr
& 0x0000ffff) << 16) |
3933 (ldt_info
.limit
& 0x0ffff);
3934 entry_2
= (ldt_info
.base_addr
& 0xff000000) |
3935 ((ldt_info
.base_addr
& 0x00ff0000) >> 16) |
3936 (ldt_info
.limit
& 0xf0000) |
3937 ((read_exec_only
^ 1) << 9) |
3939 ((seg_not_present
^ 1) << 15) |
3941 (limit_in_pages
<< 23) |
3945 entry_2
|= (useable
<< 20);
3947 /* Install the new entry ... */
3949 lp
= (uint32_t *)(ldt_table
+ (ldt_info
.entry_number
<< 3));
3950 lp
[0] = tswap32(entry_1
);
3951 lp
[1] = tswap32(entry_2
);
3955 /* specific and weird i386 syscalls */
3956 static abi_long
do_modify_ldt(CPUX86State
*env
, int func
, abi_ulong ptr
,
3957 unsigned long bytecount
)
3963 ret
= read_ldt(ptr
, bytecount
);
3966 ret
= write_ldt(env
, ptr
, bytecount
, 1);
3969 ret
= write_ldt(env
, ptr
, bytecount
, 0);
3972 ret
= -TARGET_ENOSYS
;
3978 #if defined(TARGET_I386) && defined(TARGET_ABI32)
3979 static abi_long
do_set_thread_area(CPUX86State
*env
, abi_ulong ptr
)
3981 uint64_t *gdt_table
= g2h(env
->gdt
.base
);
3982 struct target_modify_ldt_ldt_s ldt_info
;
3983 struct target_modify_ldt_ldt_s
*target_ldt_info
;
3984 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
;
3985 int seg_not_present
, useable
, lm
;
3986 uint32_t *lp
, entry_1
, entry_2
;
3989 lock_user_struct(VERIFY_WRITE
, target_ldt_info
, ptr
, 1);
3990 if (!target_ldt_info
)
3991 return -TARGET_EFAULT
;
3992 ldt_info
.entry_number
= tswap32(target_ldt_info
->entry_number
);
3993 ldt_info
.base_addr
= tswapal(target_ldt_info
->base_addr
);
3994 ldt_info
.limit
= tswap32(target_ldt_info
->limit
);
3995 ldt_info
.flags
= tswap32(target_ldt_info
->flags
);
3996 if (ldt_info
.entry_number
== -1) {
3997 for (i
=TARGET_GDT_ENTRY_TLS_MIN
; i
<=TARGET_GDT_ENTRY_TLS_MAX
; i
++) {
3998 if (gdt_table
[i
] == 0) {
3999 ldt_info
.entry_number
= i
;
4000 target_ldt_info
->entry_number
= tswap32(i
);
4005 unlock_user_struct(target_ldt_info
, ptr
, 1);
4007 if (ldt_info
.entry_number
< TARGET_GDT_ENTRY_TLS_MIN
||
4008 ldt_info
.entry_number
> TARGET_GDT_ENTRY_TLS_MAX
)
4009 return -TARGET_EINVAL
;
4010 seg_32bit
= ldt_info
.flags
& 1;
4011 contents
= (ldt_info
.flags
>> 1) & 3;
4012 read_exec_only
= (ldt_info
.flags
>> 3) & 1;
4013 limit_in_pages
= (ldt_info
.flags
>> 4) & 1;
4014 seg_not_present
= (ldt_info
.flags
>> 5) & 1;
4015 useable
= (ldt_info
.flags
>> 6) & 1;
4019 lm
= (ldt_info
.flags
>> 7) & 1;
4022 if (contents
== 3) {
4023 if (seg_not_present
== 0)
4024 return -TARGET_EINVAL
;
4027 /* NOTE: same code as Linux kernel */
4028 /* Allow LDTs to be cleared by the user. */
4029 if (ldt_info
.base_addr
== 0 && ldt_info
.limit
== 0) {
4030 if ((contents
== 0 &&
4031 read_exec_only
== 1 &&
4033 limit_in_pages
== 0 &&
4034 seg_not_present
== 1 &&
4042 entry_1
= ((ldt_info
.base_addr
& 0x0000ffff) << 16) |
4043 (ldt_info
.limit
& 0x0ffff);
4044 entry_2
= (ldt_info
.base_addr
& 0xff000000) |
4045 ((ldt_info
.base_addr
& 0x00ff0000) >> 16) |
4046 (ldt_info
.limit
& 0xf0000) |
4047 ((read_exec_only
^ 1) << 9) |
4049 ((seg_not_present
^ 1) << 15) |
4051 (limit_in_pages
<< 23) |
4056 /* Install the new entry ... */
4058 lp
= (uint32_t *)(gdt_table
+ ldt_info
.entry_number
);
4059 lp
[0] = tswap32(entry_1
);
4060 lp
[1] = tswap32(entry_2
);
4064 static abi_long
do_get_thread_area(CPUX86State
*env
, abi_ulong ptr
)
4066 struct target_modify_ldt_ldt_s
*target_ldt_info
;
4067 uint64_t *gdt_table
= g2h(env
->gdt
.base
);
4068 uint32_t base_addr
, limit
, flags
;
4069 int seg_32bit
, contents
, read_exec_only
, limit_in_pages
, idx
;
4070 int seg_not_present
, useable
, lm
;
4071 uint32_t *lp
, entry_1
, entry_2
;
4073 lock_user_struct(VERIFY_WRITE
, target_ldt_info
, ptr
, 1);
4074 if (!target_ldt_info
)
4075 return -TARGET_EFAULT
;
4076 idx
= tswap32(target_ldt_info
->entry_number
);
4077 if (idx
< TARGET_GDT_ENTRY_TLS_MIN
||
4078 idx
> TARGET_GDT_ENTRY_TLS_MAX
) {
4079 unlock_user_struct(target_ldt_info
, ptr
, 1);
4080 return -TARGET_EINVAL
;
4082 lp
= (uint32_t *)(gdt_table
+ idx
);
4083 entry_1
= tswap32(lp
[0]);
4084 entry_2
= tswap32(lp
[1]);
4086 read_exec_only
= ((entry_2
>> 9) & 1) ^ 1;
4087 contents
= (entry_2
>> 10) & 3;
4088 seg_not_present
= ((entry_2
>> 15) & 1) ^ 1;
4089 seg_32bit
= (entry_2
>> 22) & 1;
4090 limit_in_pages
= (entry_2
>> 23) & 1;
4091 useable
= (entry_2
>> 20) & 1;
4095 lm
= (entry_2
>> 21) & 1;
4097 flags
= (seg_32bit
<< 0) | (contents
<< 1) |
4098 (read_exec_only
<< 3) | (limit_in_pages
<< 4) |
4099 (seg_not_present
<< 5) | (useable
<< 6) | (lm
<< 7);
4100 limit
= (entry_1
& 0xffff) | (entry_2
& 0xf0000);
4101 base_addr
= (entry_1
>> 16) |
4102 (entry_2
& 0xff000000) |
4103 ((entry_2
& 0xff) << 16);
4104 target_ldt_info
->base_addr
= tswapal(base_addr
);
4105 target_ldt_info
->limit
= tswap32(limit
);
4106 target_ldt_info
->flags
= tswap32(flags
);
4107 unlock_user_struct(target_ldt_info
, ptr
, 1);
4110 #endif /* TARGET_I386 && TARGET_ABI32 */
4112 #ifndef TARGET_ABI32
4113 static abi_long
do_arch_prctl(CPUX86State
*env
, int code
, abi_ulong addr
)
4120 case TARGET_ARCH_SET_GS
:
4121 case TARGET_ARCH_SET_FS
:
4122 if (code
== TARGET_ARCH_SET_GS
)
4126 cpu_x86_load_seg(env
, idx
, 0);
4127 env
->segs
[idx
].base
= addr
;
4129 case TARGET_ARCH_GET_GS
:
4130 case TARGET_ARCH_GET_FS
:
4131 if (code
== TARGET_ARCH_GET_GS
)
4135 val
= env
->segs
[idx
].base
;
4136 if (put_user(val
, addr
, abi_ulong
))
4137 ret
= -TARGET_EFAULT
;
4140 ret
= -TARGET_EINVAL
;
4147 #endif /* defined(TARGET_I386) */
4149 #define NEW_STACK_SIZE 0x40000
4151 #if defined(CONFIG_USE_NPTL)
4153 static pthread_mutex_t clone_lock
= PTHREAD_MUTEX_INITIALIZER
;
4156 pthread_mutex_t mutex
;
4157 pthread_cond_t cond
;
4160 abi_ulong child_tidptr
;
4161 abi_ulong parent_tidptr
;
4165 static void *clone_func(void *arg
)
4167 new_thread_info
*info
= arg
;
4173 cpu
= ENV_GET_CPU(env
);
4175 ts
= (TaskState
*)thread_env
->opaque
;
4176 info
->tid
= gettid();
4177 cpu
->host_tid
= info
->tid
;
4179 if (info
->child_tidptr
)
4180 put_user_u32(info
->tid
, info
->child_tidptr
);
4181 if (info
->parent_tidptr
)
4182 put_user_u32(info
->tid
, info
->parent_tidptr
);
4183 /* Enable signals. */
4184 sigprocmask(SIG_SETMASK
, &info
->sigmask
, NULL
);
4185 /* Signal to the parent that we're ready. */
4186 pthread_mutex_lock(&info
->mutex
);
4187 pthread_cond_broadcast(&info
->cond
);
4188 pthread_mutex_unlock(&info
->mutex
);
4189 /* Wait until the parent has finshed initializing the tls state. */
4190 pthread_mutex_lock(&clone_lock
);
4191 pthread_mutex_unlock(&clone_lock
);
4198 static int clone_func(void *arg
)
4200 CPUArchState
*env
= arg
;
4207 /* do_fork() Must return host values and target errnos (unlike most
4208 do_*() functions). */
4209 static int do_fork(CPUArchState
*env
, unsigned int flags
, abi_ulong newsp
,
4210 abi_ulong parent_tidptr
, target_ulong newtls
,
4211 abi_ulong child_tidptr
)
4215 CPUArchState
*new_env
;
4216 #if defined(CONFIG_USE_NPTL)
4217 unsigned int nptl_flags
;
4223 /* Emulate vfork() with fork() */
4224 if (flags
& CLONE_VFORK
)
4225 flags
&= ~(CLONE_VFORK
| CLONE_VM
);
4227 if (flags
& CLONE_VM
) {
4228 TaskState
*parent_ts
= (TaskState
*)env
->opaque
;
4229 #if defined(CONFIG_USE_NPTL)
4230 new_thread_info info
;
4231 pthread_attr_t attr
;
4233 ts
= g_malloc0(sizeof(TaskState
));
4234 init_task_state(ts
);
4235 /* we create a new CPU instance. */
4236 new_env
= cpu_copy(env
);
4237 #if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
4238 cpu_reset(ENV_GET_CPU(new_env
));
4240 /* Init regs that differ from the parent. */
4241 cpu_clone_regs(new_env
, newsp
);
4242 new_env
->opaque
= ts
;
4243 ts
->bprm
= parent_ts
->bprm
;
4244 ts
->info
= parent_ts
->info
;
4245 #if defined(CONFIG_USE_NPTL)
4247 flags
&= ~CLONE_NPTL_FLAGS2
;
4249 if (nptl_flags
& CLONE_CHILD_CLEARTID
) {
4250 ts
->child_tidptr
= child_tidptr
;
4253 if (nptl_flags
& CLONE_SETTLS
)
4254 cpu_set_tls (new_env
, newtls
);
4256 /* Grab a mutex so that thread setup appears atomic. */
4257 pthread_mutex_lock(&clone_lock
);
4259 memset(&info
, 0, sizeof(info
));
4260 pthread_mutex_init(&info
.mutex
, NULL
);
4261 pthread_mutex_lock(&info
.mutex
);
4262 pthread_cond_init(&info
.cond
, NULL
);
4264 if (nptl_flags
& CLONE_CHILD_SETTID
)
4265 info
.child_tidptr
= child_tidptr
;
4266 if (nptl_flags
& CLONE_PARENT_SETTID
)
4267 info
.parent_tidptr
= parent_tidptr
;
4269 ret
= pthread_attr_init(&attr
);
4270 ret
= pthread_attr_setstacksize(&attr
, NEW_STACK_SIZE
);
4271 ret
= pthread_attr_setdetachstate(&attr
, PTHREAD_CREATE_DETACHED
);
4272 /* It is not safe to deliver signals until the child has finished
4273 initializing, so temporarily block all signals. */
4274 sigfillset(&sigmask
);
4275 sigprocmask(SIG_BLOCK
, &sigmask
, &info
.sigmask
);
4277 ret
= pthread_create(&info
.thread
, &attr
, clone_func
, &info
);
4278 /* TODO: Free new CPU state if thread creation failed. */
4280 sigprocmask(SIG_SETMASK
, &info
.sigmask
, NULL
);
4281 pthread_attr_destroy(&attr
);
4283 /* Wait for the child to initialize. */
4284 pthread_cond_wait(&info
.cond
, &info
.mutex
);
4286 if (flags
& CLONE_PARENT_SETTID
)
4287 put_user_u32(ret
, parent_tidptr
);
4291 pthread_mutex_unlock(&info
.mutex
);
4292 pthread_cond_destroy(&info
.cond
);
4293 pthread_mutex_destroy(&info
.mutex
);
4294 pthread_mutex_unlock(&clone_lock
);
4296 if (flags
& CLONE_NPTL_FLAGS2
)
4298 /* This is probably going to die very quickly, but do it anyway. */
4299 new_stack
= g_malloc0 (NEW_STACK_SIZE
);
4301 ret
= __clone2(clone_func
, new_stack
, NEW_STACK_SIZE
, flags
, new_env
);
4303 ret
= clone(clone_func
, new_stack
+ NEW_STACK_SIZE
, flags
, new_env
);
4307 /* if no CLONE_VM, we consider it is a fork */
4308 if ((flags
& ~(CSIGNAL
| CLONE_NPTL_FLAGS2
)) != 0)
4313 /* Child Process. */
4314 cpu_clone_regs(env
, newsp
);
4316 #if defined(CONFIG_USE_NPTL)
4317 /* There is a race condition here. The parent process could
4318 theoretically read the TID in the child process before the child
4319 tid is set. This would require using either ptrace
4320 (not implemented) or having *_tidptr to point at a shared memory
4321 mapping. We can't repeat the spinlock hack used above because
4322 the child process gets its own copy of the lock. */
4323 if (flags
& CLONE_CHILD_SETTID
)
4324 put_user_u32(gettid(), child_tidptr
);
4325 if (flags
& CLONE_PARENT_SETTID
)
4326 put_user_u32(gettid(), parent_tidptr
);
4327 ts
= (TaskState
*)env
->opaque
;
4328 if (flags
& CLONE_SETTLS
)
4329 cpu_set_tls (env
, newtls
);
4330 if (flags
& CLONE_CHILD_CLEARTID
)
4331 ts
->child_tidptr
= child_tidptr
;
4340 /* warning : doesn't handle linux specific flags... */
4341 static int target_to_host_fcntl_cmd(int cmd
)
4344 case TARGET_F_DUPFD
:
4345 case TARGET_F_GETFD
:
4346 case TARGET_F_SETFD
:
4347 case TARGET_F_GETFL
:
4348 case TARGET_F_SETFL
:
4350 case TARGET_F_GETLK
:
4352 case TARGET_F_SETLK
:
4354 case TARGET_F_SETLKW
:
4356 case TARGET_F_GETOWN
:
4358 case TARGET_F_SETOWN
:
4360 case TARGET_F_GETSIG
:
4362 case TARGET_F_SETSIG
:
4364 #if TARGET_ABI_BITS == 32
4365 case TARGET_F_GETLK64
:
4367 case TARGET_F_SETLK64
:
4369 case TARGET_F_SETLKW64
:
4372 case TARGET_F_SETLEASE
:
4374 case TARGET_F_GETLEASE
:
4376 #ifdef F_DUPFD_CLOEXEC
4377 case TARGET_F_DUPFD_CLOEXEC
:
4378 return F_DUPFD_CLOEXEC
;
4380 case TARGET_F_NOTIFY
:
4383 return -TARGET_EINVAL
;
4385 return -TARGET_EINVAL
;
4388 #define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a }
4389 static const bitmask_transtbl flock_tbl
[] = {
4390 TRANSTBL_CONVERT(F_RDLCK
),
4391 TRANSTBL_CONVERT(F_WRLCK
),
4392 TRANSTBL_CONVERT(F_UNLCK
),
4393 TRANSTBL_CONVERT(F_EXLCK
),
4394 TRANSTBL_CONVERT(F_SHLCK
),
4398 static abi_long
do_fcntl(int fd
, int cmd
, abi_ulong arg
)
4401 struct target_flock
*target_fl
;
4402 struct flock64 fl64
;
4403 struct target_flock64
*target_fl64
;
4405 int host_cmd
= target_to_host_fcntl_cmd(cmd
);
4407 if (host_cmd
== -TARGET_EINVAL
)
4411 case TARGET_F_GETLK
:
4412 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg
, 1))
4413 return -TARGET_EFAULT
;
4415 target_to_host_bitmask(tswap16(target_fl
->l_type
), flock_tbl
);
4416 fl
.l_whence
= tswap16(target_fl
->l_whence
);
4417 fl
.l_start
= tswapal(target_fl
->l_start
);
4418 fl
.l_len
= tswapal(target_fl
->l_len
);
4419 fl
.l_pid
= tswap32(target_fl
->l_pid
);
4420 unlock_user_struct(target_fl
, arg
, 0);
4421 ret
= get_errno(fcntl(fd
, host_cmd
, &fl
));
4423 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, arg
, 0))
4424 return -TARGET_EFAULT
;
4426 host_to_target_bitmask(tswap16(fl
.l_type
), flock_tbl
);
4427 target_fl
->l_whence
= tswap16(fl
.l_whence
);
4428 target_fl
->l_start
= tswapal(fl
.l_start
);
4429 target_fl
->l_len
= tswapal(fl
.l_len
);
4430 target_fl
->l_pid
= tswap32(fl
.l_pid
);
4431 unlock_user_struct(target_fl
, arg
, 1);
4435 case TARGET_F_SETLK
:
4436 case TARGET_F_SETLKW
:
4437 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg
, 1))
4438 return -TARGET_EFAULT
;
4440 target_to_host_bitmask(tswap16(target_fl
->l_type
), flock_tbl
);
4441 fl
.l_whence
= tswap16(target_fl
->l_whence
);
4442 fl
.l_start
= tswapal(target_fl
->l_start
);
4443 fl
.l_len
= tswapal(target_fl
->l_len
);
4444 fl
.l_pid
= tswap32(target_fl
->l_pid
);
4445 unlock_user_struct(target_fl
, arg
, 0);
4446 ret
= get_errno(fcntl(fd
, host_cmd
, &fl
));
4449 case TARGET_F_GETLK64
:
4450 if (!lock_user_struct(VERIFY_READ
, target_fl64
, arg
, 1))
4451 return -TARGET_EFAULT
;
4453 target_to_host_bitmask(tswap16(target_fl64
->l_type
), flock_tbl
) >> 1;
4454 fl64
.l_whence
= tswap16(target_fl64
->l_whence
);
4455 fl64
.l_start
= tswap64(target_fl64
->l_start
);
4456 fl64
.l_len
= tswap64(target_fl64
->l_len
);
4457 fl64
.l_pid
= tswap32(target_fl64
->l_pid
);
4458 unlock_user_struct(target_fl64
, arg
, 0);
4459 ret
= get_errno(fcntl(fd
, host_cmd
, &fl64
));
4461 if (!lock_user_struct(VERIFY_WRITE
, target_fl64
, arg
, 0))
4462 return -TARGET_EFAULT
;
4463 target_fl64
->l_type
=
4464 host_to_target_bitmask(tswap16(fl64
.l_type
), flock_tbl
) >> 1;
4465 target_fl64
->l_whence
= tswap16(fl64
.l_whence
);
4466 target_fl64
->l_start
= tswap64(fl64
.l_start
);
4467 target_fl64
->l_len
= tswap64(fl64
.l_len
);
4468 target_fl64
->l_pid
= tswap32(fl64
.l_pid
);
4469 unlock_user_struct(target_fl64
, arg
, 1);
4472 case TARGET_F_SETLK64
:
4473 case TARGET_F_SETLKW64
:
4474 if (!lock_user_struct(VERIFY_READ
, target_fl64
, arg
, 1))
4475 return -TARGET_EFAULT
;
4477 target_to_host_bitmask(tswap16(target_fl64
->l_type
), flock_tbl
) >> 1;
4478 fl64
.l_whence
= tswap16(target_fl64
->l_whence
);
4479 fl64
.l_start
= tswap64(target_fl64
->l_start
);
4480 fl64
.l_len
= tswap64(target_fl64
->l_len
);
4481 fl64
.l_pid
= tswap32(target_fl64
->l_pid
);
4482 unlock_user_struct(target_fl64
, arg
, 0);
4483 ret
= get_errno(fcntl(fd
, host_cmd
, &fl64
));
4486 case TARGET_F_GETFL
:
4487 ret
= get_errno(fcntl(fd
, host_cmd
, arg
));
4489 ret
= host_to_target_bitmask(ret
, fcntl_flags_tbl
);
4493 case TARGET_F_SETFL
:
4494 ret
= get_errno(fcntl(fd
, host_cmd
, target_to_host_bitmask(arg
, fcntl_flags_tbl
)));
4497 case TARGET_F_SETOWN
:
4498 case TARGET_F_GETOWN
:
4499 case TARGET_F_SETSIG
:
4500 case TARGET_F_GETSIG
:
4501 case TARGET_F_SETLEASE
:
4502 case TARGET_F_GETLEASE
:
4503 ret
= get_errno(fcntl(fd
, host_cmd
, arg
));
4507 ret
= get_errno(fcntl(fd
, cmd
, arg
));
4515 static inline int high2lowuid(int uid
)
4523 static inline int high2lowgid(int gid
)
4531 static inline int low2highuid(int uid
)
4533 if ((int16_t)uid
== -1)
4539 static inline int low2highgid(int gid
)
4541 if ((int16_t)gid
== -1)
4546 static inline int tswapid(int id
)
4550 #else /* !USE_UID16 */
4551 static inline int high2lowuid(int uid
)
4555 static inline int high2lowgid(int gid
)
4559 static inline int low2highuid(int uid
)
4563 static inline int low2highgid(int gid
)
4567 static inline int tswapid(int id
)
4571 #endif /* USE_UID16 */
4573 void syscall_init(void)
4576 const argtype
*arg_type
;
4580 #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
4581 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
4582 #include "syscall_types.h"
4584 #undef STRUCT_SPECIAL
4586 /* Build target_to_host_errno_table[] table from
4587 * host_to_target_errno_table[]. */
4588 for (i
= 0; i
< ERRNO_TABLE_SIZE
; i
++) {
4589 target_to_host_errno_table
[host_to_target_errno_table
[i
]] = i
;
4592 /* we patch the ioctl size if necessary. We rely on the fact that
4593 no ioctl has all the bits at '1' in the size field */
4595 while (ie
->target_cmd
!= 0) {
4596 if (((ie
->target_cmd
>> TARGET_IOC_SIZESHIFT
) & TARGET_IOC_SIZEMASK
) ==
4597 TARGET_IOC_SIZEMASK
) {
4598 arg_type
= ie
->arg_type
;
4599 if (arg_type
[0] != TYPE_PTR
) {
4600 fprintf(stderr
, "cannot patch size for ioctl 0x%x\n",
4605 size
= thunk_type_size(arg_type
, 0);
4606 ie
->target_cmd
= (ie
->target_cmd
&
4607 ~(TARGET_IOC_SIZEMASK
<< TARGET_IOC_SIZESHIFT
)) |
4608 (size
<< TARGET_IOC_SIZESHIFT
);
4611 /* automatic consistency check if same arch */
4612 #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
4613 (defined(__x86_64__) && defined(TARGET_X86_64))
4614 if (unlikely(ie
->target_cmd
!= ie
->host_cmd
)) {
4615 fprintf(stderr
, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
4616 ie
->name
, ie
->target_cmd
, ie
->host_cmd
);
4623 #if TARGET_ABI_BITS == 32
4624 static inline uint64_t target_offset64(uint32_t word0
, uint32_t word1
)
4626 #ifdef TARGET_WORDS_BIGENDIAN
4627 return ((uint64_t)word0
<< 32) | word1
;
4629 return ((uint64_t)word1
<< 32) | word0
;
4632 #else /* TARGET_ABI_BITS == 32 */
4633 static inline uint64_t target_offset64(uint64_t word0
, uint64_t word1
)
4637 #endif /* TARGET_ABI_BITS != 32 */
4639 #ifdef TARGET_NR_truncate64
4640 static inline abi_long
target_truncate64(void *cpu_env
, const char *arg1
,
4645 if (regpairs_aligned(cpu_env
)) {
4649 return get_errno(truncate64(arg1
, target_offset64(arg2
, arg3
)));
4653 #ifdef TARGET_NR_ftruncate64
4654 static inline abi_long
target_ftruncate64(void *cpu_env
, abi_long arg1
,
4659 if (regpairs_aligned(cpu_env
)) {
4663 return get_errno(ftruncate64(arg1
, target_offset64(arg2
, arg3
)));
4667 static inline abi_long
target_to_host_timespec(struct timespec
*host_ts
,
4668 abi_ulong target_addr
)
4670 struct target_timespec
*target_ts
;
4672 if (!lock_user_struct(VERIFY_READ
, target_ts
, target_addr
, 1))
4673 return -TARGET_EFAULT
;
4674 host_ts
->tv_sec
= tswapal(target_ts
->tv_sec
);
4675 host_ts
->tv_nsec
= tswapal(target_ts
->tv_nsec
);
4676 unlock_user_struct(target_ts
, target_addr
, 0);
4680 static inline abi_long
host_to_target_timespec(abi_ulong target_addr
,
4681 struct timespec
*host_ts
)
4683 struct target_timespec
*target_ts
;
4685 if (!lock_user_struct(VERIFY_WRITE
, target_ts
, target_addr
, 0))
4686 return -TARGET_EFAULT
;
4687 target_ts
->tv_sec
= tswapal(host_ts
->tv_sec
);
4688 target_ts
->tv_nsec
= tswapal(host_ts
->tv_nsec
);
4689 unlock_user_struct(target_ts
, target_addr
, 1);
4693 #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
4694 static inline abi_long
host_to_target_stat64(void *cpu_env
,
4695 abi_ulong target_addr
,
4696 struct stat
*host_st
)
4699 if (((CPUARMState
*)cpu_env
)->eabi
) {
4700 struct target_eabi_stat64
*target_st
;
4702 if (!lock_user_struct(VERIFY_WRITE
, target_st
, target_addr
, 0))
4703 return -TARGET_EFAULT
;
4704 memset(target_st
, 0, sizeof(struct target_eabi_stat64
));
4705 __put_user(host_st
->st_dev
, &target_st
->st_dev
);
4706 __put_user(host_st
->st_ino
, &target_st
->st_ino
);
4707 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4708 __put_user(host_st
->st_ino
, &target_st
->__st_ino
);
4710 __put_user(host_st
->st_mode
, &target_st
->st_mode
);
4711 __put_user(host_st
->st_nlink
, &target_st
->st_nlink
);
4712 __put_user(host_st
->st_uid
, &target_st
->st_uid
);
4713 __put_user(host_st
->st_gid
, &target_st
->st_gid
);
4714 __put_user(host_st
->st_rdev
, &target_st
->st_rdev
);
4715 __put_user(host_st
->st_size
, &target_st
->st_size
);
4716 __put_user(host_st
->st_blksize
, &target_st
->st_blksize
);
4717 __put_user(host_st
->st_blocks
, &target_st
->st_blocks
);
4718 __put_user(host_st
->st_atime
, &target_st
->target_st_atime
);
4719 __put_user(host_st
->st_mtime
, &target_st
->target_st_mtime
);
4720 __put_user(host_st
->st_ctime
, &target_st
->target_st_ctime
);
4721 unlock_user_struct(target_st
, target_addr
, 1);
4725 #if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
4726 struct target_stat
*target_st
;
4728 struct target_stat64
*target_st
;
4731 if (!lock_user_struct(VERIFY_WRITE
, target_st
, target_addr
, 0))
4732 return -TARGET_EFAULT
;
4733 memset(target_st
, 0, sizeof(*target_st
));
4734 __put_user(host_st
->st_dev
, &target_st
->st_dev
);
4735 __put_user(host_st
->st_ino
, &target_st
->st_ino
);
4736 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4737 __put_user(host_st
->st_ino
, &target_st
->__st_ino
);
4739 __put_user(host_st
->st_mode
, &target_st
->st_mode
);
4740 __put_user(host_st
->st_nlink
, &target_st
->st_nlink
);
4741 __put_user(host_st
->st_uid
, &target_st
->st_uid
);
4742 __put_user(host_st
->st_gid
, &target_st
->st_gid
);
4743 __put_user(host_st
->st_rdev
, &target_st
->st_rdev
);
4744 /* XXX: better use of kernel struct */
4745 __put_user(host_st
->st_size
, &target_st
->st_size
);
4746 __put_user(host_st
->st_blksize
, &target_st
->st_blksize
);
4747 __put_user(host_st
->st_blocks
, &target_st
->st_blocks
);
4748 __put_user(host_st
->st_atime
, &target_st
->target_st_atime
);
4749 __put_user(host_st
->st_mtime
, &target_st
->target_st_mtime
);
4750 __put_user(host_st
->st_ctime
, &target_st
->target_st_ctime
);
4751 unlock_user_struct(target_st
, target_addr
, 1);
4758 #if defined(CONFIG_USE_NPTL)
4759 /* ??? Using host futex calls even when target atomic operations
4760 are not really atomic probably breaks things. However implementing
4761 futexes locally would make futexes shared between multiple processes
4762 tricky. However they're probably useless because guest atomic
4763 operations won't work either. */
4764 static int do_futex(target_ulong uaddr
, int op
, int val
, target_ulong timeout
,
4765 target_ulong uaddr2
, int val3
)
4767 struct timespec ts
, *pts
;
4770 /* ??? We assume FUTEX_* constants are the same on both host
4772 #ifdef FUTEX_CMD_MASK
4773 base_op
= op
& FUTEX_CMD_MASK
;
4779 case FUTEX_WAIT_BITSET
:
4782 target_to_host_timespec(pts
, timeout
);
4786 return get_errno(sys_futex(g2h(uaddr
), op
, tswap32(val
),
4789 return get_errno(sys_futex(g2h(uaddr
), op
, val
, NULL
, NULL
, 0));
4791 return get_errno(sys_futex(g2h(uaddr
), op
, val
, NULL
, NULL
, 0));
4793 case FUTEX_CMP_REQUEUE
:
4795 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4796 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4797 But the prototype takes a `struct timespec *'; insert casts
4798 to satisfy the compiler. We do not need to tswap TIMEOUT
4799 since it's not compared to guest memory. */
4800 pts
= (struct timespec
*)(uintptr_t) timeout
;
4801 return get_errno(sys_futex(g2h(uaddr
), op
, val
, pts
,
4803 (base_op
== FUTEX_CMP_REQUEUE
4807 return -TARGET_ENOSYS
;
4812 /* Map host to target signal numbers for the wait family of syscalls.
4813 Assume all other status bits are the same. */
4814 int host_to_target_waitstatus(int status
)
4816 if (WIFSIGNALED(status
)) {
4817 return host_to_target_signal(WTERMSIG(status
)) | (status
& ~0x7f);
4819 if (WIFSTOPPED(status
)) {
4820 return (host_to_target_signal(WSTOPSIG(status
)) << 8)
4826 int get_osversion(void)
4828 static int osversion
;
4829 struct new_utsname buf
;
4834 if (qemu_uname_release
&& *qemu_uname_release
) {
4835 s
= qemu_uname_release
;
4837 if (sys_uname(&buf
))
4842 for (i
= 0; i
< 3; i
++) {
4844 while (*s
>= '0' && *s
<= '9') {
4849 tmp
= (tmp
<< 8) + n
;
4858 static int open_self_maps(void *cpu_env
, int fd
)
4860 #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
4861 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
4868 fp
= fopen("/proc/self/maps", "r");
4873 while ((read
= getline(&line
, &len
, fp
)) != -1) {
4874 int fields
, dev_maj
, dev_min
, inode
;
4875 uint64_t min
, max
, offset
;
4876 char flag_r
, flag_w
, flag_x
, flag_p
;
4877 char path
[512] = "";
4878 fields
= sscanf(line
, "%"PRIx64
"-%"PRIx64
" %c%c%c%c %"PRIx64
" %x:%x %d"
4879 " %512s", &min
, &max
, &flag_r
, &flag_w
, &flag_x
,
4880 &flag_p
, &offset
, &dev_maj
, &dev_min
, &inode
, path
);
4882 if ((fields
< 10) || (fields
> 11)) {
4885 if (!strncmp(path
, "[stack]", 7)) {
4888 if (h2g_valid(min
) && h2g_valid(max
)) {
4889 dprintf(fd
, TARGET_ABI_FMT_lx
"-" TARGET_ABI_FMT_lx
4890 " %c%c%c%c %08" PRIx64
" %02x:%02x %d %s%s\n",
4891 h2g(min
), h2g(max
), flag_r
, flag_w
,
4892 flag_x
, flag_p
, offset
, dev_maj
, dev_min
, inode
,
4893 path
[0] ? " " : "", path
);
4900 #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
4901 dprintf(fd
, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n",
4902 (unsigned long long)ts
->info
->stack_limit
,
4903 (unsigned long long)(ts
->info
->start_stack
+
4904 (TARGET_PAGE_SIZE
- 1)) & TARGET_PAGE_MASK
,
4905 (unsigned long long)0);
4911 static int open_self_stat(void *cpu_env
, int fd
)
4913 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
4914 abi_ulong start_stack
= ts
->info
->start_stack
;
4917 for (i
= 0; i
< 44; i
++) {
4925 snprintf(buf
, sizeof(buf
), "%"PRId64
" ", val
);
4926 } else if (i
== 1) {
4928 snprintf(buf
, sizeof(buf
), "(%s) ", ts
->bprm
->argv
[0]);
4929 } else if (i
== 27) {
4932 snprintf(buf
, sizeof(buf
), "%"PRId64
" ", val
);
4934 /* for the rest, there is MasterCard */
4935 snprintf(buf
, sizeof(buf
), "0%c", i
== 43 ? '\n' : ' ');
4939 if (write(fd
, buf
, len
) != len
) {
4947 static int open_self_auxv(void *cpu_env
, int fd
)
4949 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
4950 abi_ulong auxv
= ts
->info
->saved_auxv
;
4951 abi_ulong len
= ts
->info
->auxv_len
;
4955 * Auxiliary vector is stored in target process stack.
4956 * read in whole auxv vector and copy it to file
4958 ptr
= lock_user(VERIFY_READ
, auxv
, len
, 0);
4962 r
= write(fd
, ptr
, len
);
4969 lseek(fd
, 0, SEEK_SET
);
4970 unlock_user(ptr
, auxv
, len
);
4976 static int is_proc_myself(const char *filename
, const char *entry
)
4978 if (!strncmp(filename
, "/proc/", strlen("/proc/"))) {
4979 filename
+= strlen("/proc/");
4980 if (!strncmp(filename
, "self/", strlen("self/"))) {
4981 filename
+= strlen("self/");
4982 } else if (*filename
>= '1' && *filename
<= '9') {
4984 snprintf(myself
, sizeof(myself
), "%d/", getpid());
4985 if (!strncmp(filename
, myself
, strlen(myself
))) {
4986 filename
+= strlen(myself
);
4993 if (!strcmp(filename
, entry
)) {
5000 static int do_open(void *cpu_env
, const char *pathname
, int flags
, mode_t mode
)
5003 const char *filename
;
5004 int (*fill
)(void *cpu_env
, int fd
);
5006 const struct fake_open
*fake_open
;
5007 static const struct fake_open fakes
[] = {
5008 { "maps", open_self_maps
},
5009 { "stat", open_self_stat
},
5010 { "auxv", open_self_auxv
},
5014 for (fake_open
= fakes
; fake_open
->filename
; fake_open
++) {
5015 if (is_proc_myself(pathname
, fake_open
->filename
)) {
5020 if (fake_open
->filename
) {
5022 char filename
[PATH_MAX
];
5025 /* create temporary file to map stat to */
5026 tmpdir
= getenv("TMPDIR");
5029 snprintf(filename
, sizeof(filename
), "%s/qemu-open.XXXXXX", tmpdir
);
5030 fd
= mkstemp(filename
);
5036 if ((r
= fake_open
->fill(cpu_env
, fd
))) {
5040 lseek(fd
, 0, SEEK_SET
);
5045 return get_errno(open(path(pathname
), flags
, mode
));
5048 /* do_syscall() should always have a single exit point at the end so
5049 that actions, such as logging of syscall results, can be performed.
5050 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
5051 abi_long
do_syscall(void *cpu_env
, int num
, abi_long arg1
,
5052 abi_long arg2
, abi_long arg3
, abi_long arg4
,
5053 abi_long arg5
, abi_long arg6
, abi_long arg7
,
5062 gemu_log("syscall %d", num
);
5065 print_syscall(num
, arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
5068 case TARGET_NR_exit
:
5069 #ifdef CONFIG_USE_NPTL
5070 /* In old applications this may be used to implement _exit(2).
5071 However in threaded applictions it is used for thread termination,
5072 and _exit_group is used for application termination.
5073 Do thread termination if we have more then one thread. */
5074 /* FIXME: This probably breaks if a signal arrives. We should probably
5075 be disabling signals. */
5076 if (first_cpu
->next_cpu
) {
5078 CPUArchState
**lastp
;
5084 while (p
&& p
!= (CPUArchState
*)cpu_env
) {
5085 lastp
= &p
->next_cpu
;
5088 /* If we didn't find the CPU for this thread then something is
5092 /* Remove the CPU from the list. */
5093 *lastp
= p
->next_cpu
;
5095 ts
= ((CPUArchState
*)cpu_env
)->opaque
;
5096 if (ts
->child_tidptr
) {
5097 put_user_u32(0, ts
->child_tidptr
);
5098 sys_futex(g2h(ts
->child_tidptr
), FUTEX_WAKE
, INT_MAX
,
5102 object_unref(OBJECT(ENV_GET_CPU(cpu_env
)));
5110 gdb_exit(cpu_env
, arg1
);
5112 ret
= 0; /* avoid warning */
5114 case TARGET_NR_read
:
5118 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0)))
5120 ret
= get_errno(read(arg1
, p
, arg3
));
5121 unlock_user(p
, arg2
, ret
);
5124 case TARGET_NR_write
:
5125 if (!(p
= lock_user(VERIFY_READ
, arg2
, arg3
, 1)))
5127 ret
= get_errno(write(arg1
, p
, arg3
));
5128 unlock_user(p
, arg2
, 0);
5130 case TARGET_NR_open
:
5131 if (!(p
= lock_user_string(arg1
)))
5133 ret
= get_errno(do_open(cpu_env
, p
,
5134 target_to_host_bitmask(arg2
, fcntl_flags_tbl
),
5136 unlock_user(p
, arg1
, 0);
5138 #if defined(TARGET_NR_openat) && defined(__NR_openat)
5139 case TARGET_NR_openat
:
5140 if (!(p
= lock_user_string(arg2
)))
5142 ret
= get_errno(sys_openat(arg1
,
5144 target_to_host_bitmask(arg3
, fcntl_flags_tbl
),
5146 unlock_user(p
, arg2
, 0);
5149 case TARGET_NR_close
:
5150 ret
= get_errno(close(arg1
));
5155 case TARGET_NR_fork
:
5156 ret
= get_errno(do_fork(cpu_env
, SIGCHLD
, 0, 0, 0, 0));
5158 #ifdef TARGET_NR_waitpid
5159 case TARGET_NR_waitpid
:
5162 ret
= get_errno(waitpid(arg1
, &status
, arg3
));
5163 if (!is_error(ret
) && arg2
&& ret
5164 && put_user_s32(host_to_target_waitstatus(status
), arg2
))
5169 #ifdef TARGET_NR_waitid
5170 case TARGET_NR_waitid
:
5174 ret
= get_errno(waitid(arg1
, arg2
, &info
, arg4
));
5175 if (!is_error(ret
) && arg3
&& info
.si_pid
!= 0) {
5176 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_siginfo_t
), 0)))
5178 host_to_target_siginfo(p
, &info
);
5179 unlock_user(p
, arg3
, sizeof(target_siginfo_t
));
5184 #ifdef TARGET_NR_creat /* not on alpha */
5185 case TARGET_NR_creat
:
5186 if (!(p
= lock_user_string(arg1
)))
5188 ret
= get_errno(creat(p
, arg2
));
5189 unlock_user(p
, arg1
, 0);
5192 case TARGET_NR_link
:
5195 p
= lock_user_string(arg1
);
5196 p2
= lock_user_string(arg2
);
5198 ret
= -TARGET_EFAULT
;
5200 ret
= get_errno(link(p
, p2
));
5201 unlock_user(p2
, arg2
, 0);
5202 unlock_user(p
, arg1
, 0);
5205 #if defined(TARGET_NR_linkat)
5206 case TARGET_NR_linkat
:
5211 p
= lock_user_string(arg2
);
5212 p2
= lock_user_string(arg4
);
5214 ret
= -TARGET_EFAULT
;
5216 ret
= get_errno(linkat(arg1
, p
, arg3
, p2
, arg5
));
5217 unlock_user(p
, arg2
, 0);
5218 unlock_user(p2
, arg4
, 0);
5222 case TARGET_NR_unlink
:
5223 if (!(p
= lock_user_string(arg1
)))
5225 ret
= get_errno(unlink(p
));
5226 unlock_user(p
, arg1
, 0);
5228 #if defined(TARGET_NR_unlinkat)
5229 case TARGET_NR_unlinkat
:
5230 if (!(p
= lock_user_string(arg2
)))
5232 ret
= get_errno(unlinkat(arg1
, p
, arg3
));
5233 unlock_user(p
, arg2
, 0);
5236 case TARGET_NR_execve
:
5238 char **argp
, **envp
;
5241 abi_ulong guest_argp
;
5242 abi_ulong guest_envp
;
5249 for (gp
= guest_argp
; gp
; gp
+= sizeof(abi_ulong
)) {
5250 if (get_user_ual(addr
, gp
))
5258 for (gp
= guest_envp
; gp
; gp
+= sizeof(abi_ulong
)) {
5259 if (get_user_ual(addr
, gp
))
5266 argp
= alloca((argc
+ 1) * sizeof(void *));
5267 envp
= alloca((envc
+ 1) * sizeof(void *));
5269 for (gp
= guest_argp
, q
= argp
; gp
;
5270 gp
+= sizeof(abi_ulong
), q
++) {
5271 if (get_user_ual(addr
, gp
))
5275 if (!(*q
= lock_user_string(addr
)))
5277 total_size
+= strlen(*q
) + 1;
5281 for (gp
= guest_envp
, q
= envp
; gp
;
5282 gp
+= sizeof(abi_ulong
), q
++) {
5283 if (get_user_ual(addr
, gp
))
5287 if (!(*q
= lock_user_string(addr
)))
5289 total_size
+= strlen(*q
) + 1;
5293 /* This case will not be caught by the host's execve() if its
5294 page size is bigger than the target's. */
5295 if (total_size
> MAX_ARG_PAGES
* TARGET_PAGE_SIZE
) {
5296 ret
= -TARGET_E2BIG
;
5299 if (!(p
= lock_user_string(arg1
)))
5301 ret
= get_errno(execve(p
, argp
, envp
));
5302 unlock_user(p
, arg1
, 0);
5307 ret
= -TARGET_EFAULT
;
5310 for (gp
= guest_argp
, q
= argp
; *q
;
5311 gp
+= sizeof(abi_ulong
), q
++) {
5312 if (get_user_ual(addr
, gp
)
5315 unlock_user(*q
, addr
, 0);
5317 for (gp
= guest_envp
, q
= envp
; *q
;
5318 gp
+= sizeof(abi_ulong
), q
++) {
5319 if (get_user_ual(addr
, gp
)
5322 unlock_user(*q
, addr
, 0);
5326 case TARGET_NR_chdir
:
5327 if (!(p
= lock_user_string(arg1
)))
5329 ret
= get_errno(chdir(p
));
5330 unlock_user(p
, arg1
, 0);
5332 #ifdef TARGET_NR_time
5333 case TARGET_NR_time
:
5336 ret
= get_errno(time(&host_time
));
5339 && put_user_sal(host_time
, arg1
))
5344 case TARGET_NR_mknod
:
5345 if (!(p
= lock_user_string(arg1
)))
5347 ret
= get_errno(mknod(p
, arg2
, arg3
));
5348 unlock_user(p
, arg1
, 0);
5350 #if defined(TARGET_NR_mknodat)
5351 case TARGET_NR_mknodat
:
5352 if (!(p
= lock_user_string(arg2
)))
5354 ret
= get_errno(mknodat(arg1
, p
, arg3
, arg4
));
5355 unlock_user(p
, arg2
, 0);
5358 case TARGET_NR_chmod
:
5359 if (!(p
= lock_user_string(arg1
)))
5361 ret
= get_errno(chmod(p
, arg2
));
5362 unlock_user(p
, arg1
, 0);
5364 #ifdef TARGET_NR_break
5365 case TARGET_NR_break
:
5368 #ifdef TARGET_NR_oldstat
5369 case TARGET_NR_oldstat
:
5372 case TARGET_NR_lseek
:
5373 ret
= get_errno(lseek(arg1
, arg2
, arg3
));
5375 #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
5376 /* Alpha specific */
5377 case TARGET_NR_getxpid
:
5378 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
] = getppid();
5379 ret
= get_errno(getpid());
5382 #ifdef TARGET_NR_getpid
5383 case TARGET_NR_getpid
:
5384 ret
= get_errno(getpid());
5387 case TARGET_NR_mount
:
5389 /* need to look at the data field */
5391 p
= lock_user_string(arg1
);
5392 p2
= lock_user_string(arg2
);
5393 p3
= lock_user_string(arg3
);
5394 if (!p
|| !p2
|| !p3
)
5395 ret
= -TARGET_EFAULT
;
5397 /* FIXME - arg5 should be locked, but it isn't clear how to
5398 * do that since it's not guaranteed to be a NULL-terminated
5402 ret
= get_errno(mount(p
, p2
, p3
, (unsigned long)arg4
, NULL
));
5404 ret
= get_errno(mount(p
, p2
, p3
, (unsigned long)arg4
, g2h(arg5
)));
5406 unlock_user(p
, arg1
, 0);
5407 unlock_user(p2
, arg2
, 0);
5408 unlock_user(p3
, arg3
, 0);
5411 #ifdef TARGET_NR_umount
5412 case TARGET_NR_umount
:
5413 if (!(p
= lock_user_string(arg1
)))
5415 ret
= get_errno(umount(p
));
5416 unlock_user(p
, arg1
, 0);
5419 #ifdef TARGET_NR_stime /* not on alpha */
5420 case TARGET_NR_stime
:
5423 if (get_user_sal(host_time
, arg1
))
5425 ret
= get_errno(stime(&host_time
));
5429 case TARGET_NR_ptrace
:
5431 #ifdef TARGET_NR_alarm /* not on alpha */
5432 case TARGET_NR_alarm
:
5436 #ifdef TARGET_NR_oldfstat
5437 case TARGET_NR_oldfstat
:
5440 #ifdef TARGET_NR_pause /* not on alpha */
5441 case TARGET_NR_pause
:
5442 ret
= get_errno(pause());
5445 #ifdef TARGET_NR_utime
5446 case TARGET_NR_utime
:
5448 struct utimbuf tbuf
, *host_tbuf
;
5449 struct target_utimbuf
*target_tbuf
;
5451 if (!lock_user_struct(VERIFY_READ
, target_tbuf
, arg2
, 1))
5453 tbuf
.actime
= tswapal(target_tbuf
->actime
);
5454 tbuf
.modtime
= tswapal(target_tbuf
->modtime
);
5455 unlock_user_struct(target_tbuf
, arg2
, 0);
5460 if (!(p
= lock_user_string(arg1
)))
5462 ret
= get_errno(utime(p
, host_tbuf
));
5463 unlock_user(p
, arg1
, 0);
5467 case TARGET_NR_utimes
:
5469 struct timeval
*tvp
, tv
[2];
5471 if (copy_from_user_timeval(&tv
[0], arg2
)
5472 || copy_from_user_timeval(&tv
[1],
5473 arg2
+ sizeof(struct target_timeval
)))
5479 if (!(p
= lock_user_string(arg1
)))
5481 ret
= get_errno(utimes(p
, tvp
));
5482 unlock_user(p
, arg1
, 0);
5485 #if defined(TARGET_NR_futimesat)
5486 case TARGET_NR_futimesat
:
5488 struct timeval
*tvp
, tv
[2];
5490 if (copy_from_user_timeval(&tv
[0], arg3
)
5491 || copy_from_user_timeval(&tv
[1],
5492 arg3
+ sizeof(struct target_timeval
)))
5498 if (!(p
= lock_user_string(arg2
)))
5500 ret
= get_errno(futimesat(arg1
, path(p
), tvp
));
5501 unlock_user(p
, arg2
, 0);
5505 #ifdef TARGET_NR_stty
5506 case TARGET_NR_stty
:
5509 #ifdef TARGET_NR_gtty
5510 case TARGET_NR_gtty
:
5513 case TARGET_NR_access
:
5514 if (!(p
= lock_user_string(arg1
)))
5516 ret
= get_errno(access(path(p
), arg2
));
5517 unlock_user(p
, arg1
, 0);
5519 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
5520 case TARGET_NR_faccessat
:
5521 if (!(p
= lock_user_string(arg2
)))
5523 ret
= get_errno(faccessat(arg1
, p
, arg3
, 0));
5524 unlock_user(p
, arg2
, 0);
5527 #ifdef TARGET_NR_nice /* not on alpha */
5528 case TARGET_NR_nice
:
5529 ret
= get_errno(nice(arg1
));
5532 #ifdef TARGET_NR_ftime
5533 case TARGET_NR_ftime
:
5536 case TARGET_NR_sync
:
5540 case TARGET_NR_kill
:
5541 ret
= get_errno(kill(arg1
, target_to_host_signal(arg2
)));
5543 case TARGET_NR_rename
:
5546 p
= lock_user_string(arg1
);
5547 p2
= lock_user_string(arg2
);
5549 ret
= -TARGET_EFAULT
;
5551 ret
= get_errno(rename(p
, p2
));
5552 unlock_user(p2
, arg2
, 0);
5553 unlock_user(p
, arg1
, 0);
5556 #if defined(TARGET_NR_renameat)
5557 case TARGET_NR_renameat
:
5560 p
= lock_user_string(arg2
);
5561 p2
= lock_user_string(arg4
);
5563 ret
= -TARGET_EFAULT
;
5565 ret
= get_errno(renameat(arg1
, p
, arg3
, p2
));
5566 unlock_user(p2
, arg4
, 0);
5567 unlock_user(p
, arg2
, 0);
5571 case TARGET_NR_mkdir
:
5572 if (!(p
= lock_user_string(arg1
)))
5574 ret
= get_errno(mkdir(p
, arg2
));
5575 unlock_user(p
, arg1
, 0);
5577 #if defined(TARGET_NR_mkdirat)
5578 case TARGET_NR_mkdirat
:
5579 if (!(p
= lock_user_string(arg2
)))
5581 ret
= get_errno(mkdirat(arg1
, p
, arg3
));
5582 unlock_user(p
, arg2
, 0);
5585 case TARGET_NR_rmdir
:
5586 if (!(p
= lock_user_string(arg1
)))
5588 ret
= get_errno(rmdir(p
));
5589 unlock_user(p
, arg1
, 0);
5592 ret
= get_errno(dup(arg1
));
5594 case TARGET_NR_pipe
:
5595 ret
= do_pipe(cpu_env
, arg1
, 0, 0);
5597 #ifdef TARGET_NR_pipe2
5598 case TARGET_NR_pipe2
:
5599 ret
= do_pipe(cpu_env
, arg1
,
5600 target_to_host_bitmask(arg2
, fcntl_flags_tbl
), 1);
5603 case TARGET_NR_times
:
5605 struct target_tms
*tmsp
;
5607 ret
= get_errno(times(&tms
));
5609 tmsp
= lock_user(VERIFY_WRITE
, arg1
, sizeof(struct target_tms
), 0);
5612 tmsp
->tms_utime
= tswapal(host_to_target_clock_t(tms
.tms_utime
));
5613 tmsp
->tms_stime
= tswapal(host_to_target_clock_t(tms
.tms_stime
));
5614 tmsp
->tms_cutime
= tswapal(host_to_target_clock_t(tms
.tms_cutime
));
5615 tmsp
->tms_cstime
= tswapal(host_to_target_clock_t(tms
.tms_cstime
));
5618 ret
= host_to_target_clock_t(ret
);
5621 #ifdef TARGET_NR_prof
5622 case TARGET_NR_prof
:
5625 #ifdef TARGET_NR_signal
5626 case TARGET_NR_signal
:
5629 case TARGET_NR_acct
:
5631 ret
= get_errno(acct(NULL
));
5633 if (!(p
= lock_user_string(arg1
)))
5635 ret
= get_errno(acct(path(p
)));
5636 unlock_user(p
, arg1
, 0);
5639 #ifdef TARGET_NR_umount2 /* not on alpha */
5640 case TARGET_NR_umount2
:
5641 if (!(p
= lock_user_string(arg1
)))
5643 ret
= get_errno(umount2(p
, arg2
));
5644 unlock_user(p
, arg1
, 0);
5647 #ifdef TARGET_NR_lock
5648 case TARGET_NR_lock
:
5651 case TARGET_NR_ioctl
:
5652 ret
= do_ioctl(arg1
, arg2
, arg3
);
5654 case TARGET_NR_fcntl
:
5655 ret
= do_fcntl(arg1
, arg2
, arg3
);
5657 #ifdef TARGET_NR_mpx
5661 case TARGET_NR_setpgid
:
5662 ret
= get_errno(setpgid(arg1
, arg2
));
5664 #ifdef TARGET_NR_ulimit
5665 case TARGET_NR_ulimit
:
5668 #ifdef TARGET_NR_oldolduname
5669 case TARGET_NR_oldolduname
:
5672 case TARGET_NR_umask
:
5673 ret
= get_errno(umask(arg1
));
5675 case TARGET_NR_chroot
:
5676 if (!(p
= lock_user_string(arg1
)))
5678 ret
= get_errno(chroot(p
));
5679 unlock_user(p
, arg1
, 0);
5681 case TARGET_NR_ustat
:
5683 case TARGET_NR_dup2
:
5684 ret
= get_errno(dup2(arg1
, arg2
));
5686 #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
5687 case TARGET_NR_dup3
:
5688 ret
= get_errno(dup3(arg1
, arg2
, arg3
));
5691 #ifdef TARGET_NR_getppid /* not on alpha */
5692 case TARGET_NR_getppid
:
5693 ret
= get_errno(getppid());
5696 case TARGET_NR_getpgrp
:
5697 ret
= get_errno(getpgrp());
5699 case TARGET_NR_setsid
:
5700 ret
= get_errno(setsid());
5702 #ifdef TARGET_NR_sigaction
5703 case TARGET_NR_sigaction
:
5705 #if defined(TARGET_ALPHA)
5706 struct target_sigaction act
, oact
, *pact
= 0;
5707 struct target_old_sigaction
*old_act
;
5709 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
5711 act
._sa_handler
= old_act
->_sa_handler
;
5712 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
);
5713 act
.sa_flags
= old_act
->sa_flags
;
5714 act
.sa_restorer
= 0;
5715 unlock_user_struct(old_act
, arg2
, 0);
5718 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5719 if (!is_error(ret
) && arg3
) {
5720 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
5722 old_act
->_sa_handler
= oact
._sa_handler
;
5723 old_act
->sa_mask
= oact
.sa_mask
.sig
[0];
5724 old_act
->sa_flags
= oact
.sa_flags
;
5725 unlock_user_struct(old_act
, arg3
, 1);
5727 #elif defined(TARGET_MIPS)
5728 struct target_sigaction act
, oact
, *pact
, *old_act
;
5731 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
5733 act
._sa_handler
= old_act
->_sa_handler
;
5734 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
.sig
[0]);
5735 act
.sa_flags
= old_act
->sa_flags
;
5736 unlock_user_struct(old_act
, arg2
, 0);
5742 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5744 if (!is_error(ret
) && arg3
) {
5745 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
5747 old_act
->_sa_handler
= oact
._sa_handler
;
5748 old_act
->sa_flags
= oact
.sa_flags
;
5749 old_act
->sa_mask
.sig
[0] = oact
.sa_mask
.sig
[0];
5750 old_act
->sa_mask
.sig
[1] = 0;
5751 old_act
->sa_mask
.sig
[2] = 0;
5752 old_act
->sa_mask
.sig
[3] = 0;
5753 unlock_user_struct(old_act
, arg3
, 1);
5756 struct target_old_sigaction
*old_act
;
5757 struct target_sigaction act
, oact
, *pact
;
5759 if (!lock_user_struct(VERIFY_READ
, old_act
, arg2
, 1))
5761 act
._sa_handler
= old_act
->_sa_handler
;
5762 target_siginitset(&act
.sa_mask
, old_act
->sa_mask
);
5763 act
.sa_flags
= old_act
->sa_flags
;
5764 act
.sa_restorer
= old_act
->sa_restorer
;
5765 unlock_user_struct(old_act
, arg2
, 0);
5770 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5771 if (!is_error(ret
) && arg3
) {
5772 if (!lock_user_struct(VERIFY_WRITE
, old_act
, arg3
, 0))
5774 old_act
->_sa_handler
= oact
._sa_handler
;
5775 old_act
->sa_mask
= oact
.sa_mask
.sig
[0];
5776 old_act
->sa_flags
= oact
.sa_flags
;
5777 old_act
->sa_restorer
= oact
.sa_restorer
;
5778 unlock_user_struct(old_act
, arg3
, 1);
5784 case TARGET_NR_rt_sigaction
:
5786 #if defined(TARGET_ALPHA)
5787 struct target_sigaction act
, oact
, *pact
= 0;
5788 struct target_rt_sigaction
*rt_act
;
5789 /* ??? arg4 == sizeof(sigset_t). */
5791 if (!lock_user_struct(VERIFY_READ
, rt_act
, arg2
, 1))
5793 act
._sa_handler
= rt_act
->_sa_handler
;
5794 act
.sa_mask
= rt_act
->sa_mask
;
5795 act
.sa_flags
= rt_act
->sa_flags
;
5796 act
.sa_restorer
= arg5
;
5797 unlock_user_struct(rt_act
, arg2
, 0);
5800 ret
= get_errno(do_sigaction(arg1
, pact
, &oact
));
5801 if (!is_error(ret
) && arg3
) {
5802 if (!lock_user_struct(VERIFY_WRITE
, rt_act
, arg3
, 0))
5804 rt_act
->_sa_handler
= oact
._sa_handler
;
5805 rt_act
->sa_mask
= oact
.sa_mask
;
5806 rt_act
->sa_flags
= oact
.sa_flags
;
5807 unlock_user_struct(rt_act
, arg3
, 1);
5810 struct target_sigaction
*act
;
5811 struct target_sigaction
*oact
;
5814 if (!lock_user_struct(VERIFY_READ
, act
, arg2
, 1))
5819 if (!lock_user_struct(VERIFY_WRITE
, oact
, arg3
, 0)) {
5820 ret
= -TARGET_EFAULT
;
5821 goto rt_sigaction_fail
;
5825 ret
= get_errno(do_sigaction(arg1
, act
, oact
));
5828 unlock_user_struct(act
, arg2
, 0);
5830 unlock_user_struct(oact
, arg3
, 1);
5834 #ifdef TARGET_NR_sgetmask /* not on alpha */
5835 case TARGET_NR_sgetmask
:
5838 abi_ulong target_set
;
5839 sigprocmask(0, NULL
, &cur_set
);
5840 host_to_target_old_sigset(&target_set
, &cur_set
);
5845 #ifdef TARGET_NR_ssetmask /* not on alpha */
5846 case TARGET_NR_ssetmask
:
5848 sigset_t set
, oset
, cur_set
;
5849 abi_ulong target_set
= arg1
;
5850 sigprocmask(0, NULL
, &cur_set
);
5851 target_to_host_old_sigset(&set
, &target_set
);
5852 sigorset(&set
, &set
, &cur_set
);
5853 sigprocmask(SIG_SETMASK
, &set
, &oset
);
5854 host_to_target_old_sigset(&target_set
, &oset
);
5859 #ifdef TARGET_NR_sigprocmask
5860 case TARGET_NR_sigprocmask
:
5862 #if defined(TARGET_ALPHA)
5863 sigset_t set
, oldset
;
5868 case TARGET_SIG_BLOCK
:
5871 case TARGET_SIG_UNBLOCK
:
5874 case TARGET_SIG_SETMASK
:
5878 ret
= -TARGET_EINVAL
;
5882 target_to_host_old_sigset(&set
, &mask
);
5884 ret
= get_errno(sigprocmask(how
, &set
, &oldset
));
5885 if (!is_error(ret
)) {
5886 host_to_target_old_sigset(&mask
, &oldset
);
5888 ((CPUAlphaState
*)cpu_env
)->ir
[IR_V0
] = 0; /* force no error */
5891 sigset_t set
, oldset
, *set_ptr
;
5896 case TARGET_SIG_BLOCK
:
5899 case TARGET_SIG_UNBLOCK
:
5902 case TARGET_SIG_SETMASK
:
5906 ret
= -TARGET_EINVAL
;
5909 if (!(p
= lock_user(VERIFY_READ
, arg2
, sizeof(target_sigset_t
), 1)))
5911 target_to_host_old_sigset(&set
, p
);
5912 unlock_user(p
, arg2
, 0);
5918 ret
= get_errno(sigprocmask(how
, set_ptr
, &oldset
));
5919 if (!is_error(ret
) && arg3
) {
5920 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_sigset_t
), 0)))
5922 host_to_target_old_sigset(p
, &oldset
);
5923 unlock_user(p
, arg3
, sizeof(target_sigset_t
));
5929 case TARGET_NR_rt_sigprocmask
:
5932 sigset_t set
, oldset
, *set_ptr
;
5936 case TARGET_SIG_BLOCK
:
5939 case TARGET_SIG_UNBLOCK
:
5942 case TARGET_SIG_SETMASK
:
5946 ret
= -TARGET_EINVAL
;
5949 if (!(p
= lock_user(VERIFY_READ
, arg2
, sizeof(target_sigset_t
), 1)))
5951 target_to_host_sigset(&set
, p
);
5952 unlock_user(p
, arg2
, 0);
5958 ret
= get_errno(sigprocmask(how
, set_ptr
, &oldset
));
5959 if (!is_error(ret
) && arg3
) {
5960 if (!(p
= lock_user(VERIFY_WRITE
, arg3
, sizeof(target_sigset_t
), 0)))
5962 host_to_target_sigset(p
, &oldset
);
5963 unlock_user(p
, arg3
, sizeof(target_sigset_t
));
5967 #ifdef TARGET_NR_sigpending
5968 case TARGET_NR_sigpending
:
5971 ret
= get_errno(sigpending(&set
));
5972 if (!is_error(ret
)) {
5973 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, sizeof(target_sigset_t
), 0)))
5975 host_to_target_old_sigset(p
, &set
);
5976 unlock_user(p
, arg1
, sizeof(target_sigset_t
));
5981 case TARGET_NR_rt_sigpending
:
5984 ret
= get_errno(sigpending(&set
));
5985 if (!is_error(ret
)) {
5986 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, sizeof(target_sigset_t
), 0)))
5988 host_to_target_sigset(p
, &set
);
5989 unlock_user(p
, arg1
, sizeof(target_sigset_t
));
5993 #ifdef TARGET_NR_sigsuspend
5994 case TARGET_NR_sigsuspend
:
5997 #if defined(TARGET_ALPHA)
5998 abi_ulong mask
= arg1
;
5999 target_to_host_old_sigset(&set
, &mask
);
6001 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
6003 target_to_host_old_sigset(&set
, p
);
6004 unlock_user(p
, arg1
, 0);
6006 ret
= get_errno(sigsuspend(&set
));
6010 case TARGET_NR_rt_sigsuspend
:
6013 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
6015 target_to_host_sigset(&set
, p
);
6016 unlock_user(p
, arg1
, 0);
6017 ret
= get_errno(sigsuspend(&set
));
6020 case TARGET_NR_rt_sigtimedwait
:
6023 struct timespec uts
, *puts
;
6026 if (!(p
= lock_user(VERIFY_READ
, arg1
, sizeof(target_sigset_t
), 1)))
6028 target_to_host_sigset(&set
, p
);
6029 unlock_user(p
, arg1
, 0);
6032 target_to_host_timespec(puts
, arg3
);
6036 ret
= get_errno(sigtimedwait(&set
, &uinfo
, puts
));
6037 if (!is_error(ret
) && arg2
) {
6038 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, sizeof(target_siginfo_t
), 0)))
6040 host_to_target_siginfo(p
, &uinfo
);
6041 unlock_user(p
, arg2
, sizeof(target_siginfo_t
));
6045 case TARGET_NR_rt_sigqueueinfo
:
6048 if (!(p
= lock_user(VERIFY_READ
, arg3
, sizeof(target_sigset_t
), 1)))
6050 target_to_host_siginfo(&uinfo
, p
);
6051 unlock_user(p
, arg1
, 0);
6052 ret
= get_errno(sys_rt_sigqueueinfo(arg1
, arg2
, &uinfo
));
6055 #ifdef TARGET_NR_sigreturn
6056 case TARGET_NR_sigreturn
:
6057 /* NOTE: ret is eax, so not transcoding must be done */
6058 ret
= do_sigreturn(cpu_env
);
6061 case TARGET_NR_rt_sigreturn
:
6062 /* NOTE: ret is eax, so not transcoding must be done */
6063 ret
= do_rt_sigreturn(cpu_env
);
6065 case TARGET_NR_sethostname
:
6066 if (!(p
= lock_user_string(arg1
)))
6068 ret
= get_errno(sethostname(p
, arg2
));
6069 unlock_user(p
, arg1
, 0);
6071 case TARGET_NR_setrlimit
:
6073 int resource
= target_to_host_resource(arg1
);
6074 struct target_rlimit
*target_rlim
;
6076 if (!lock_user_struct(VERIFY_READ
, target_rlim
, arg2
, 1))
6078 rlim
.rlim_cur
= target_to_host_rlim(target_rlim
->rlim_cur
);
6079 rlim
.rlim_max
= target_to_host_rlim(target_rlim
->rlim_max
);
6080 unlock_user_struct(target_rlim
, arg2
, 0);
6081 ret
= get_errno(setrlimit(resource
, &rlim
));
6084 case TARGET_NR_getrlimit
:
6086 int resource
= target_to_host_resource(arg1
);
6087 struct target_rlimit
*target_rlim
;
6090 ret
= get_errno(getrlimit(resource
, &rlim
));
6091 if (!is_error(ret
)) {
6092 if (!lock_user_struct(VERIFY_WRITE
, target_rlim
, arg2
, 0))
6094 target_rlim
->rlim_cur
= host_to_target_rlim(rlim
.rlim_cur
);
6095 target_rlim
->rlim_max
= host_to_target_rlim(rlim
.rlim_max
);
6096 unlock_user_struct(target_rlim
, arg2
, 1);
6100 case TARGET_NR_getrusage
:
6102 struct rusage rusage
;
6103 ret
= get_errno(getrusage(arg1
, &rusage
));
6104 if (!is_error(ret
)) {
6105 host_to_target_rusage(arg2
, &rusage
);
6109 case TARGET_NR_gettimeofday
:
6112 ret
= get_errno(gettimeofday(&tv
, NULL
));
6113 if (!is_error(ret
)) {
6114 if (copy_to_user_timeval(arg1
, &tv
))
6119 case TARGET_NR_settimeofday
:
6122 if (copy_from_user_timeval(&tv
, arg1
))
6124 ret
= get_errno(settimeofday(&tv
, NULL
));
6127 #if defined(TARGET_NR_select)
6128 case TARGET_NR_select
:
6129 #if defined(TARGET_S390X) || defined(TARGET_ALPHA)
6130 ret
= do_select(arg1
, arg2
, arg3
, arg4
, arg5
);
6133 struct target_sel_arg_struct
*sel
;
6134 abi_ulong inp
, outp
, exp
, tvp
;
6137 if (!lock_user_struct(VERIFY_READ
, sel
, arg1
, 1))
6139 nsel
= tswapal(sel
->n
);
6140 inp
= tswapal(sel
->inp
);
6141 outp
= tswapal(sel
->outp
);
6142 exp
= tswapal(sel
->exp
);
6143 tvp
= tswapal(sel
->tvp
);
6144 unlock_user_struct(sel
, arg1
, 0);
6145 ret
= do_select(nsel
, inp
, outp
, exp
, tvp
);
6150 #ifdef TARGET_NR_pselect6
6151 case TARGET_NR_pselect6
:
6153 abi_long rfd_addr
, wfd_addr
, efd_addr
, n
, ts_addr
;
6154 fd_set rfds
, wfds
, efds
;
6155 fd_set
*rfds_ptr
, *wfds_ptr
, *efds_ptr
;
6156 struct timespec ts
, *ts_ptr
;
6159 * The 6th arg is actually two args smashed together,
6160 * so we cannot use the C library.
6168 abi_ulong arg_sigset
, arg_sigsize
, *arg7
;
6169 target_sigset_t
*target_sigset
;
6177 ret
= copy_from_user_fdset_ptr(&rfds
, &rfds_ptr
, rfd_addr
, n
);
6181 ret
= copy_from_user_fdset_ptr(&wfds
, &wfds_ptr
, wfd_addr
, n
);
6185 ret
= copy_from_user_fdset_ptr(&efds
, &efds_ptr
, efd_addr
, n
);
6191 * This takes a timespec, and not a timeval, so we cannot
6192 * use the do_select() helper ...
6195 if (target_to_host_timespec(&ts
, ts_addr
)) {
6203 /* Extract the two packed args for the sigset */
6206 sig
.size
= _NSIG
/ 8;
6208 arg7
= lock_user(VERIFY_READ
, arg6
, sizeof(*arg7
) * 2, 1);
6212 arg_sigset
= tswapal(arg7
[0]);
6213 arg_sigsize
= tswapal(arg7
[1]);
6214 unlock_user(arg7
, arg6
, 0);
6218 if (arg_sigsize
!= sizeof(*target_sigset
)) {
6219 /* Like the kernel, we enforce correct size sigsets */
6220 ret
= -TARGET_EINVAL
;
6223 target_sigset
= lock_user(VERIFY_READ
, arg_sigset
,
6224 sizeof(*target_sigset
), 1);
6225 if (!target_sigset
) {
6228 target_to_host_sigset(&set
, target_sigset
);
6229 unlock_user(target_sigset
, arg_sigset
, 0);
6237 ret
= get_errno(sys_pselect6(n
, rfds_ptr
, wfds_ptr
, efds_ptr
,
6240 if (!is_error(ret
)) {
6241 if (rfd_addr
&& copy_to_user_fdset(rfd_addr
, &rfds
, n
))
6243 if (wfd_addr
&& copy_to_user_fdset(wfd_addr
, &wfds
, n
))
6245 if (efd_addr
&& copy_to_user_fdset(efd_addr
, &efds
, n
))
6248 if (ts_addr
&& host_to_target_timespec(ts_addr
, &ts
))
6254 case TARGET_NR_symlink
:
6257 p
= lock_user_string(arg1
);
6258 p2
= lock_user_string(arg2
);
6260 ret
= -TARGET_EFAULT
;
6262 ret
= get_errno(symlink(p
, p2
));
6263 unlock_user(p2
, arg2
, 0);
6264 unlock_user(p
, arg1
, 0);
6267 #if defined(TARGET_NR_symlinkat)
6268 case TARGET_NR_symlinkat
:
6271 p
= lock_user_string(arg1
);
6272 p2
= lock_user_string(arg3
);
6274 ret
= -TARGET_EFAULT
;
6276 ret
= get_errno(symlinkat(p
, arg2
, p2
));
6277 unlock_user(p2
, arg3
, 0);
6278 unlock_user(p
, arg1
, 0);
6282 #ifdef TARGET_NR_oldlstat
6283 case TARGET_NR_oldlstat
:
6286 case TARGET_NR_readlink
:
6289 p
= lock_user_string(arg1
);
6290 p2
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
6292 ret
= -TARGET_EFAULT
;
6293 } else if (is_proc_myself((const char *)p
, "exe")) {
6294 char real
[PATH_MAX
], *temp
;
6295 temp
= realpath(exec_path
, real
);
6296 ret
= temp
== NULL
? get_errno(-1) : strlen(real
) ;
6297 snprintf((char *)p2
, arg3
, "%s", real
);
6299 ret
= get_errno(readlink(path(p
), p2
, arg3
));
6301 unlock_user(p2
, arg2
, ret
);
6302 unlock_user(p
, arg1
, 0);
6305 #if defined(TARGET_NR_readlinkat)
6306 case TARGET_NR_readlinkat
:
6309 p
= lock_user_string(arg2
);
6310 p2
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
6312 ret
= -TARGET_EFAULT
;
6313 } else if (is_proc_myself((const char *)p
, "exe")) {
6314 char real
[PATH_MAX
], *temp
;
6315 temp
= realpath(exec_path
, real
);
6316 ret
= temp
== NULL
? get_errno(-1) : strlen(real
) ;
6317 snprintf((char *)p2
, arg4
, "%s", real
);
6319 ret
= get_errno(readlinkat(arg1
, path(p
), p2
, arg4
));
6321 unlock_user(p2
, arg3
, ret
);
6322 unlock_user(p
, arg2
, 0);
6326 #ifdef TARGET_NR_uselib
6327 case TARGET_NR_uselib
:
6330 #ifdef TARGET_NR_swapon
6331 case TARGET_NR_swapon
:
6332 if (!(p
= lock_user_string(arg1
)))
6334 ret
= get_errno(swapon(p
, arg2
));
6335 unlock_user(p
, arg1
, 0);
6338 case TARGET_NR_reboot
:
6339 if (arg3
== LINUX_REBOOT_CMD_RESTART2
) {
6340 /* arg4 must be ignored in all other cases */
6341 p
= lock_user_string(arg4
);
6345 ret
= get_errno(reboot(arg1
, arg2
, arg3
, p
));
6346 unlock_user(p
, arg4
, 0);
6348 ret
= get_errno(reboot(arg1
, arg2
, arg3
, NULL
));
6351 #ifdef TARGET_NR_readdir
6352 case TARGET_NR_readdir
:
6355 #ifdef TARGET_NR_mmap
6356 case TARGET_NR_mmap
:
6357 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || \
6358 defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \
6359 || defined(TARGET_S390X)
6362 abi_ulong v1
, v2
, v3
, v4
, v5
, v6
;
6363 if (!(v
= lock_user(VERIFY_READ
, arg1
, 6 * sizeof(abi_ulong
), 1)))
6371 unlock_user(v
, arg1
, 0);
6372 ret
= get_errno(target_mmap(v1
, v2
, v3
,
6373 target_to_host_bitmask(v4
, mmap_flags_tbl
),
6377 ret
= get_errno(target_mmap(arg1
, arg2
, arg3
,
6378 target_to_host_bitmask(arg4
, mmap_flags_tbl
),
6384 #ifdef TARGET_NR_mmap2
6385 case TARGET_NR_mmap2
:
6387 #define MMAP_SHIFT 12
6389 ret
= get_errno(target_mmap(arg1
, arg2
, arg3
,
6390 target_to_host_bitmask(arg4
, mmap_flags_tbl
),
6392 arg6
<< MMAP_SHIFT
));
6395 case TARGET_NR_munmap
:
6396 ret
= get_errno(target_munmap(arg1
, arg2
));
6398 case TARGET_NR_mprotect
:
6400 TaskState
*ts
= ((CPUArchState
*)cpu_env
)->opaque
;
6401 /* Special hack to detect libc making the stack executable. */
6402 if ((arg3
& PROT_GROWSDOWN
)
6403 && arg1
>= ts
->info
->stack_limit
6404 && arg1
<= ts
->info
->start_stack
) {
6405 arg3
&= ~PROT_GROWSDOWN
;
6406 arg2
= arg2
+ arg1
- ts
->info
->stack_limit
;
6407 arg1
= ts
->info
->stack_limit
;
6410 ret
= get_errno(target_mprotect(arg1
, arg2
, arg3
));
6412 #ifdef TARGET_NR_mremap
6413 case TARGET_NR_mremap
:
6414 ret
= get_errno(target_mremap(arg1
, arg2
, arg3
, arg4
, arg5
));
6417 /* ??? msync/mlock/munlock are broken for softmmu. */
6418 #ifdef TARGET_NR_msync
6419 case TARGET_NR_msync
:
6420 ret
= get_errno(msync(g2h(arg1
), arg2
, arg3
));
6423 #ifdef TARGET_NR_mlock
6424 case TARGET_NR_mlock
:
6425 ret
= get_errno(mlock(g2h(arg1
), arg2
));
6428 #ifdef TARGET_NR_munlock
6429 case TARGET_NR_munlock
:
6430 ret
= get_errno(munlock(g2h(arg1
), arg2
));
6433 #ifdef TARGET_NR_mlockall
6434 case TARGET_NR_mlockall
:
6435 ret
= get_errno(mlockall(arg1
));
6438 #ifdef TARGET_NR_munlockall
6439 case TARGET_NR_munlockall
:
6440 ret
= get_errno(munlockall());
6443 case TARGET_NR_truncate
:
6444 if (!(p
= lock_user_string(arg1
)))
6446 ret
= get_errno(truncate(p
, arg2
));
6447 unlock_user(p
, arg1
, 0);
6449 case TARGET_NR_ftruncate
:
6450 ret
= get_errno(ftruncate(arg1
, arg2
));
6452 case TARGET_NR_fchmod
:
6453 ret
= get_errno(fchmod(arg1
, arg2
));
6455 #if defined(TARGET_NR_fchmodat)
6456 case TARGET_NR_fchmodat
:
6457 if (!(p
= lock_user_string(arg2
)))
6459 ret
= get_errno(fchmodat(arg1
, p
, arg3
, 0));
6460 unlock_user(p
, arg2
, 0);
6463 case TARGET_NR_getpriority
:
6464 /* Note that negative values are valid for getpriority, so we must
6465 differentiate based on errno settings. */
6467 ret
= getpriority(arg1
, arg2
);
6468 if (ret
== -1 && errno
!= 0) {
6469 ret
= -host_to_target_errno(errno
);
6473 /* Return value is the unbiased priority. Signal no error. */
6474 ((CPUAlphaState
*)cpu_env
)->ir
[IR_V0
] = 0;
6476 /* Return value is a biased priority to avoid negative numbers. */
6480 case TARGET_NR_setpriority
:
6481 ret
= get_errno(setpriority(arg1
, arg2
, arg3
));
6483 #ifdef TARGET_NR_profil
6484 case TARGET_NR_profil
:
6487 case TARGET_NR_statfs
:
6488 if (!(p
= lock_user_string(arg1
)))
6490 ret
= get_errno(statfs(path(p
), &stfs
));
6491 unlock_user(p
, arg1
, 0);
6493 if (!is_error(ret
)) {
6494 struct target_statfs
*target_stfs
;
6496 if (!lock_user_struct(VERIFY_WRITE
, target_stfs
, arg2
, 0))
6498 __put_user(stfs
.f_type
, &target_stfs
->f_type
);
6499 __put_user(stfs
.f_bsize
, &target_stfs
->f_bsize
);
6500 __put_user(stfs
.f_blocks
, &target_stfs
->f_blocks
);
6501 __put_user(stfs
.f_bfree
, &target_stfs
->f_bfree
);
6502 __put_user(stfs
.f_bavail
, &target_stfs
->f_bavail
);
6503 __put_user(stfs
.f_files
, &target_stfs
->f_files
);
6504 __put_user(stfs
.f_ffree
, &target_stfs
->f_ffree
);
6505 __put_user(stfs
.f_fsid
.__val
[0], &target_stfs
->f_fsid
.val
[0]);
6506 __put_user(stfs
.f_fsid
.__val
[1], &target_stfs
->f_fsid
.val
[1]);
6507 __put_user(stfs
.f_namelen
, &target_stfs
->f_namelen
);
6508 __put_user(stfs
.f_frsize
, &target_stfs
->f_frsize
);
6509 memset(target_stfs
->f_spare
, 0, sizeof(target_stfs
->f_spare
));
6510 unlock_user_struct(target_stfs
, arg2
, 1);
6513 case TARGET_NR_fstatfs
:
6514 ret
= get_errno(fstatfs(arg1
, &stfs
));
6515 goto convert_statfs
;
6516 #ifdef TARGET_NR_statfs64
6517 case TARGET_NR_statfs64
:
6518 if (!(p
= lock_user_string(arg1
)))
6520 ret
= get_errno(statfs(path(p
), &stfs
));
6521 unlock_user(p
, arg1
, 0);
6523 if (!is_error(ret
)) {
6524 struct target_statfs64
*target_stfs
;
6526 if (!lock_user_struct(VERIFY_WRITE
, target_stfs
, arg3
, 0))
6528 __put_user(stfs
.f_type
, &target_stfs
->f_type
);
6529 __put_user(stfs
.f_bsize
, &target_stfs
->f_bsize
);
6530 __put_user(stfs
.f_blocks
, &target_stfs
->f_blocks
);
6531 __put_user(stfs
.f_bfree
, &target_stfs
->f_bfree
);
6532 __put_user(stfs
.f_bavail
, &target_stfs
->f_bavail
);
6533 __put_user(stfs
.f_files
, &target_stfs
->f_files
);
6534 __put_user(stfs
.f_ffree
, &target_stfs
->f_ffree
);
6535 __put_user(stfs
.f_fsid
.__val
[0], &target_stfs
->f_fsid
.val
[0]);
6536 __put_user(stfs
.f_fsid
.__val
[1], &target_stfs
->f_fsid
.val
[1]);
6537 __put_user(stfs
.f_namelen
, &target_stfs
->f_namelen
);
6538 __put_user(stfs
.f_frsize
, &target_stfs
->f_frsize
);
6539 memset(target_stfs
->f_spare
, 0, sizeof(target_stfs
->f_spare
));
6540 unlock_user_struct(target_stfs
, arg3
, 1);
6543 case TARGET_NR_fstatfs64
:
6544 ret
= get_errno(fstatfs(arg1
, &stfs
));
6545 goto convert_statfs64
;
6547 #ifdef TARGET_NR_ioperm
6548 case TARGET_NR_ioperm
:
6551 #ifdef TARGET_NR_socketcall
6552 case TARGET_NR_socketcall
:
6553 ret
= do_socketcall(arg1
, arg2
);
6556 #ifdef TARGET_NR_accept
6557 case TARGET_NR_accept
:
6558 ret
= do_accept4(arg1
, arg2
, arg3
, 0);
6561 #ifdef TARGET_NR_accept4
6562 case TARGET_NR_accept4
:
6563 #ifdef CONFIG_ACCEPT4
6564 ret
= do_accept4(arg1
, arg2
, arg3
, arg4
);
6570 #ifdef TARGET_NR_bind
6571 case TARGET_NR_bind
:
6572 ret
= do_bind(arg1
, arg2
, arg3
);
6575 #ifdef TARGET_NR_connect
6576 case TARGET_NR_connect
:
6577 ret
= do_connect(arg1
, arg2
, arg3
);
6580 #ifdef TARGET_NR_getpeername
6581 case TARGET_NR_getpeername
:
6582 ret
= do_getpeername(arg1
, arg2
, arg3
);
6585 #ifdef TARGET_NR_getsockname
6586 case TARGET_NR_getsockname
:
6587 ret
= do_getsockname(arg1
, arg2
, arg3
);
6590 #ifdef TARGET_NR_getsockopt
6591 case TARGET_NR_getsockopt
:
6592 ret
= do_getsockopt(arg1
, arg2
, arg3
, arg4
, arg5
);
6595 #ifdef TARGET_NR_listen
6596 case TARGET_NR_listen
:
6597 ret
= get_errno(listen(arg1
, arg2
));
6600 #ifdef TARGET_NR_recv
6601 case TARGET_NR_recv
:
6602 ret
= do_recvfrom(arg1
, arg2
, arg3
, arg4
, 0, 0);
6605 #ifdef TARGET_NR_recvfrom
6606 case TARGET_NR_recvfrom
:
6607 ret
= do_recvfrom(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
6610 #ifdef TARGET_NR_recvmsg
6611 case TARGET_NR_recvmsg
:
6612 ret
= do_sendrecvmsg(arg1
, arg2
, arg3
, 0);
6615 #ifdef TARGET_NR_send
6616 case TARGET_NR_send
:
6617 ret
= do_sendto(arg1
, arg2
, arg3
, arg4
, 0, 0);
6620 #ifdef TARGET_NR_sendmsg
6621 case TARGET_NR_sendmsg
:
6622 ret
= do_sendrecvmsg(arg1
, arg2
, arg3
, 1);
6625 #ifdef TARGET_NR_sendto
6626 case TARGET_NR_sendto
:
6627 ret
= do_sendto(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
6630 #ifdef TARGET_NR_shutdown
6631 case TARGET_NR_shutdown
:
6632 ret
= get_errno(shutdown(arg1
, arg2
));
6635 #ifdef TARGET_NR_socket
6636 case TARGET_NR_socket
:
6637 ret
= do_socket(arg1
, arg2
, arg3
);
6640 #ifdef TARGET_NR_socketpair
6641 case TARGET_NR_socketpair
:
6642 ret
= do_socketpair(arg1
, arg2
, arg3
, arg4
);
6645 #ifdef TARGET_NR_setsockopt
6646 case TARGET_NR_setsockopt
:
6647 ret
= do_setsockopt(arg1
, arg2
, arg3
, arg4
, (socklen_t
) arg5
);
6651 case TARGET_NR_syslog
:
6652 if (!(p
= lock_user_string(arg2
)))
6654 ret
= get_errno(sys_syslog((int)arg1
, p
, (int)arg3
));
6655 unlock_user(p
, arg2
, 0);
6658 case TARGET_NR_setitimer
:
6660 struct itimerval value
, ovalue
, *pvalue
;
6664 if (copy_from_user_timeval(&pvalue
->it_interval
, arg2
)
6665 || copy_from_user_timeval(&pvalue
->it_value
,
6666 arg2
+ sizeof(struct target_timeval
)))
6671 ret
= get_errno(setitimer(arg1
, pvalue
, &ovalue
));
6672 if (!is_error(ret
) && arg3
) {
6673 if (copy_to_user_timeval(arg3
,
6674 &ovalue
.it_interval
)
6675 || copy_to_user_timeval(arg3
+ sizeof(struct target_timeval
),
6681 case TARGET_NR_getitimer
:
6683 struct itimerval value
;
6685 ret
= get_errno(getitimer(arg1
, &value
));
6686 if (!is_error(ret
) && arg2
) {
6687 if (copy_to_user_timeval(arg2
,
6689 || copy_to_user_timeval(arg2
+ sizeof(struct target_timeval
),
6695 case TARGET_NR_stat
:
6696 if (!(p
= lock_user_string(arg1
)))
6698 ret
= get_errno(stat(path(p
), &st
));
6699 unlock_user(p
, arg1
, 0);
6701 case TARGET_NR_lstat
:
6702 if (!(p
= lock_user_string(arg1
)))
6704 ret
= get_errno(lstat(path(p
), &st
));
6705 unlock_user(p
, arg1
, 0);
6707 case TARGET_NR_fstat
:
6709 ret
= get_errno(fstat(arg1
, &st
));
6711 if (!is_error(ret
)) {
6712 struct target_stat
*target_st
;
6714 if (!lock_user_struct(VERIFY_WRITE
, target_st
, arg2
, 0))
6716 memset(target_st
, 0, sizeof(*target_st
));
6717 __put_user(st
.st_dev
, &target_st
->st_dev
);
6718 __put_user(st
.st_ino
, &target_st
->st_ino
);
6719 __put_user(st
.st_mode
, &target_st
->st_mode
);
6720 __put_user(st
.st_uid
, &target_st
->st_uid
);
6721 __put_user(st
.st_gid
, &target_st
->st_gid
);
6722 __put_user(st
.st_nlink
, &target_st
->st_nlink
);
6723 __put_user(st
.st_rdev
, &target_st
->st_rdev
);
6724 __put_user(st
.st_size
, &target_st
->st_size
);
6725 __put_user(st
.st_blksize
, &target_st
->st_blksize
);
6726 __put_user(st
.st_blocks
, &target_st
->st_blocks
);
6727 __put_user(st
.st_atime
, &target_st
->target_st_atime
);
6728 __put_user(st
.st_mtime
, &target_st
->target_st_mtime
);
6729 __put_user(st
.st_ctime
, &target_st
->target_st_ctime
);
6730 unlock_user_struct(target_st
, arg2
, 1);
6734 #ifdef TARGET_NR_olduname
6735 case TARGET_NR_olduname
:
6738 #ifdef TARGET_NR_iopl
6739 case TARGET_NR_iopl
:
6742 case TARGET_NR_vhangup
:
6743 ret
= get_errno(vhangup());
6745 #ifdef TARGET_NR_idle
6746 case TARGET_NR_idle
:
6749 #ifdef TARGET_NR_syscall
6750 case TARGET_NR_syscall
:
6751 ret
= do_syscall(cpu_env
, arg1
& 0xffff, arg2
, arg3
, arg4
, arg5
,
6752 arg6
, arg7
, arg8
, 0);
6755 case TARGET_NR_wait4
:
6758 abi_long status_ptr
= arg2
;
6759 struct rusage rusage
, *rusage_ptr
;
6760 abi_ulong target_rusage
= arg4
;
6762 rusage_ptr
= &rusage
;
6765 ret
= get_errno(wait4(arg1
, &status
, arg3
, rusage_ptr
));
6766 if (!is_error(ret
)) {
6767 if (status_ptr
&& ret
) {
6768 status
= host_to_target_waitstatus(status
);
6769 if (put_user_s32(status
, status_ptr
))
6773 host_to_target_rusage(target_rusage
, &rusage
);
6777 #ifdef TARGET_NR_swapoff
6778 case TARGET_NR_swapoff
:
6779 if (!(p
= lock_user_string(arg1
)))
6781 ret
= get_errno(swapoff(p
));
6782 unlock_user(p
, arg1
, 0);
6785 case TARGET_NR_sysinfo
:
6787 struct target_sysinfo
*target_value
;
6788 struct sysinfo value
;
6789 ret
= get_errno(sysinfo(&value
));
6790 if (!is_error(ret
) && arg1
)
6792 if (!lock_user_struct(VERIFY_WRITE
, target_value
, arg1
, 0))
6794 __put_user(value
.uptime
, &target_value
->uptime
);
6795 __put_user(value
.loads
[0], &target_value
->loads
[0]);
6796 __put_user(value
.loads
[1], &target_value
->loads
[1]);
6797 __put_user(value
.loads
[2], &target_value
->loads
[2]);
6798 __put_user(value
.totalram
, &target_value
->totalram
);
6799 __put_user(value
.freeram
, &target_value
->freeram
);
6800 __put_user(value
.sharedram
, &target_value
->sharedram
);
6801 __put_user(value
.bufferram
, &target_value
->bufferram
);
6802 __put_user(value
.totalswap
, &target_value
->totalswap
);
6803 __put_user(value
.freeswap
, &target_value
->freeswap
);
6804 __put_user(value
.procs
, &target_value
->procs
);
6805 __put_user(value
.totalhigh
, &target_value
->totalhigh
);
6806 __put_user(value
.freehigh
, &target_value
->freehigh
);
6807 __put_user(value
.mem_unit
, &target_value
->mem_unit
);
6808 unlock_user_struct(target_value
, arg1
, 1);
6812 #ifdef TARGET_NR_ipc
6814 ret
= do_ipc(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
6817 #ifdef TARGET_NR_semget
6818 case TARGET_NR_semget
:
6819 ret
= get_errno(semget(arg1
, arg2
, arg3
));
6822 #ifdef TARGET_NR_semop
6823 case TARGET_NR_semop
:
6824 ret
= do_semop(arg1
, arg2
, arg3
);
6827 #ifdef TARGET_NR_semctl
6828 case TARGET_NR_semctl
:
6829 ret
= do_semctl(arg1
, arg2
, arg3
, (union target_semun
)(abi_ulong
)arg4
);
6832 #ifdef TARGET_NR_msgctl
6833 case TARGET_NR_msgctl
:
6834 ret
= do_msgctl(arg1
, arg2
, arg3
);
6837 #ifdef TARGET_NR_msgget
6838 case TARGET_NR_msgget
:
6839 ret
= get_errno(msgget(arg1
, arg2
));
6842 #ifdef TARGET_NR_msgrcv
6843 case TARGET_NR_msgrcv
:
6844 ret
= do_msgrcv(arg1
, arg2
, arg3
, arg4
, arg5
);
6847 #ifdef TARGET_NR_msgsnd
6848 case TARGET_NR_msgsnd
:
6849 ret
= do_msgsnd(arg1
, arg2
, arg3
, arg4
);
6852 #ifdef TARGET_NR_shmget
6853 case TARGET_NR_shmget
:
6854 ret
= get_errno(shmget(arg1
, arg2
, arg3
));
6857 #ifdef TARGET_NR_shmctl
6858 case TARGET_NR_shmctl
:
6859 ret
= do_shmctl(arg1
, arg2
, arg3
);
6862 #ifdef TARGET_NR_shmat
6863 case TARGET_NR_shmat
:
6864 ret
= do_shmat(arg1
, arg2
, arg3
);
6867 #ifdef TARGET_NR_shmdt
6868 case TARGET_NR_shmdt
:
6869 ret
= do_shmdt(arg1
);
6872 case TARGET_NR_fsync
:
6873 ret
= get_errno(fsync(arg1
));
6875 case TARGET_NR_clone
:
6876 #if defined(TARGET_SH4) || defined(TARGET_ALPHA)
6877 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg3
, arg5
, arg4
));
6878 #elif defined(TARGET_CRIS)
6879 ret
= get_errno(do_fork(cpu_env
, arg2
, arg1
, arg3
, arg4
, arg5
));
6880 #elif defined(TARGET_MICROBLAZE)
6881 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg4
, arg6
, arg5
));
6882 #elif defined(TARGET_S390X)
6883 ret
= get_errno(do_fork(cpu_env
, arg2
, arg1
, arg3
, arg5
, arg4
));
6885 ret
= get_errno(do_fork(cpu_env
, arg1
, arg2
, arg3
, arg4
, arg5
));
6888 #ifdef __NR_exit_group
6889 /* new thread calls */
6890 case TARGET_NR_exit_group
:
6894 gdb_exit(cpu_env
, arg1
);
6895 ret
= get_errno(exit_group(arg1
));
6898 case TARGET_NR_setdomainname
:
6899 if (!(p
= lock_user_string(arg1
)))
6901 ret
= get_errno(setdomainname(p
, arg2
));
6902 unlock_user(p
, arg1
, 0);
6904 case TARGET_NR_uname
:
6905 /* no need to transcode because we use the linux syscall */
6907 struct new_utsname
* buf
;
6909 if (!lock_user_struct(VERIFY_WRITE
, buf
, arg1
, 0))
6911 ret
= get_errno(sys_uname(buf
));
6912 if (!is_error(ret
)) {
6913 /* Overrite the native machine name with whatever is being
6915 strcpy (buf
->machine
, cpu_to_uname_machine(cpu_env
));
6916 /* Allow the user to override the reported release. */
6917 if (qemu_uname_release
&& *qemu_uname_release
)
6918 strcpy (buf
->release
, qemu_uname_release
);
6920 unlock_user_struct(buf
, arg1
, 1);
6924 case TARGET_NR_modify_ldt
:
6925 ret
= do_modify_ldt(cpu_env
, arg1
, arg2
, arg3
);
6927 #if !defined(TARGET_X86_64)
6928 case TARGET_NR_vm86old
:
6930 case TARGET_NR_vm86
:
6931 ret
= do_vm86(cpu_env
, arg1
, arg2
);
6935 case TARGET_NR_adjtimex
:
6937 #ifdef TARGET_NR_create_module
6938 case TARGET_NR_create_module
:
6940 case TARGET_NR_init_module
:
6941 case TARGET_NR_delete_module
:
6942 #ifdef TARGET_NR_get_kernel_syms
6943 case TARGET_NR_get_kernel_syms
:
6946 case TARGET_NR_quotactl
:
6948 case TARGET_NR_getpgid
:
6949 ret
= get_errno(getpgid(arg1
));
6951 case TARGET_NR_fchdir
:
6952 ret
= get_errno(fchdir(arg1
));
6954 #ifdef TARGET_NR_bdflush /* not on x86_64 */
6955 case TARGET_NR_bdflush
:
6958 #ifdef TARGET_NR_sysfs
6959 case TARGET_NR_sysfs
:
6962 case TARGET_NR_personality
:
6963 ret
= get_errno(personality(arg1
));
6965 #ifdef TARGET_NR_afs_syscall
6966 case TARGET_NR_afs_syscall
:
6969 #ifdef TARGET_NR__llseek /* Not on alpha */
6970 case TARGET_NR__llseek
:
6973 #if !defined(__NR_llseek)
6974 res
= lseek(arg1
, ((uint64_t)arg2
<< 32) | arg3
, arg5
);
6976 ret
= get_errno(res
);
6981 ret
= get_errno(_llseek(arg1
, arg2
, arg3
, &res
, arg5
));
6983 if ((ret
== 0) && put_user_s64(res
, arg4
)) {
6989 case TARGET_NR_getdents
:
6990 #ifdef __NR_getdents
6991 #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
6993 struct target_dirent
*target_dirp
;
6994 struct linux_dirent
*dirp
;
6995 abi_long count
= arg3
;
6997 dirp
= malloc(count
);
6999 ret
= -TARGET_ENOMEM
;
7003 ret
= get_errno(sys_getdents(arg1
, dirp
, count
));
7004 if (!is_error(ret
)) {
7005 struct linux_dirent
*de
;
7006 struct target_dirent
*tde
;
7008 int reclen
, treclen
;
7009 int count1
, tnamelen
;
7013 if (!(target_dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
7017 reclen
= de
->d_reclen
;
7018 tnamelen
= reclen
- offsetof(struct linux_dirent
, d_name
);
7019 assert(tnamelen
>= 0);
7020 treclen
= tnamelen
+ offsetof(struct target_dirent
, d_name
);
7021 assert(count1
+ treclen
<= count
);
7022 tde
->d_reclen
= tswap16(treclen
);
7023 tde
->d_ino
= tswapal(de
->d_ino
);
7024 tde
->d_off
= tswapal(de
->d_off
);
7025 memcpy(tde
->d_name
, de
->d_name
, tnamelen
);
7026 de
= (struct linux_dirent
*)((char *)de
+ reclen
);
7028 tde
= (struct target_dirent
*)((char *)tde
+ treclen
);
7032 unlock_user(target_dirp
, arg2
, ret
);
7038 struct linux_dirent
*dirp
;
7039 abi_long count
= arg3
;
7041 if (!(dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
7043 ret
= get_errno(sys_getdents(arg1
, dirp
, count
));
7044 if (!is_error(ret
)) {
7045 struct linux_dirent
*de
;
7050 reclen
= de
->d_reclen
;
7053 de
->d_reclen
= tswap16(reclen
);
7054 tswapls(&de
->d_ino
);
7055 tswapls(&de
->d_off
);
7056 de
= (struct linux_dirent
*)((char *)de
+ reclen
);
7060 unlock_user(dirp
, arg2
, ret
);
7064 /* Implement getdents in terms of getdents64 */
7066 struct linux_dirent64
*dirp
;
7067 abi_long count
= arg3
;
7069 dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0);
7073 ret
= get_errno(sys_getdents64(arg1
, dirp
, count
));
7074 if (!is_error(ret
)) {
7075 /* Convert the dirent64 structs to target dirent. We do this
7076 * in-place, since we can guarantee that a target_dirent is no
7077 * larger than a dirent64; however this means we have to be
7078 * careful to read everything before writing in the new format.
7080 struct linux_dirent64
*de
;
7081 struct target_dirent
*tde
;
7086 tde
= (struct target_dirent
*)dirp
;
7088 int namelen
, treclen
;
7089 int reclen
= de
->d_reclen
;
7090 uint64_t ino
= de
->d_ino
;
7091 int64_t off
= de
->d_off
;
7092 uint8_t type
= de
->d_type
;
7094 namelen
= strlen(de
->d_name
);
7095 treclen
= offsetof(struct target_dirent
, d_name
)
7097 treclen
= QEMU_ALIGN_UP(treclen
, sizeof(abi_long
));
7099 memmove(tde
->d_name
, de
->d_name
, namelen
+ 1);
7100 tde
->d_ino
= tswapal(ino
);
7101 tde
->d_off
= tswapal(off
);
7102 tde
->d_reclen
= tswap16(treclen
);
7103 /* The target_dirent type is in what was formerly a padding
7104 * byte at the end of the structure:
7106 *(((char *)tde
) + treclen
- 1) = type
;
7108 de
= (struct linux_dirent64
*)((char *)de
+ reclen
);
7109 tde
= (struct target_dirent
*)((char *)tde
+ treclen
);
7115 unlock_user(dirp
, arg2
, ret
);
7119 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
7120 case TARGET_NR_getdents64
:
7122 struct linux_dirent64
*dirp
;
7123 abi_long count
= arg3
;
7124 if (!(dirp
= lock_user(VERIFY_WRITE
, arg2
, count
, 0)))
7126 ret
= get_errno(sys_getdents64(arg1
, dirp
, count
));
7127 if (!is_error(ret
)) {
7128 struct linux_dirent64
*de
;
7133 reclen
= de
->d_reclen
;
7136 de
->d_reclen
= tswap16(reclen
);
7137 tswap64s((uint64_t *)&de
->d_ino
);
7138 tswap64s((uint64_t *)&de
->d_off
);
7139 de
= (struct linux_dirent64
*)((char *)de
+ reclen
);
7143 unlock_user(dirp
, arg2
, ret
);
7146 #endif /* TARGET_NR_getdents64 */
7147 #if defined(TARGET_NR__newselect)
7148 case TARGET_NR__newselect
:
7149 ret
= do_select(arg1
, arg2
, arg3
, arg4
, arg5
);
7152 #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll)
7153 # ifdef TARGET_NR_poll
7154 case TARGET_NR_poll
:
7156 # ifdef TARGET_NR_ppoll
7157 case TARGET_NR_ppoll
:
7160 struct target_pollfd
*target_pfd
;
7161 unsigned int nfds
= arg2
;
7166 target_pfd
= lock_user(VERIFY_WRITE
, arg1
, sizeof(struct target_pollfd
) * nfds
, 1);
7170 pfd
= alloca(sizeof(struct pollfd
) * nfds
);
7171 for(i
= 0; i
< nfds
; i
++) {
7172 pfd
[i
].fd
= tswap32(target_pfd
[i
].fd
);
7173 pfd
[i
].events
= tswap16(target_pfd
[i
].events
);
7176 # ifdef TARGET_NR_ppoll
7177 if (num
== TARGET_NR_ppoll
) {
7178 struct timespec _timeout_ts
, *timeout_ts
= &_timeout_ts
;
7179 target_sigset_t
*target_set
;
7180 sigset_t _set
, *set
= &_set
;
7183 if (target_to_host_timespec(timeout_ts
, arg3
)) {
7184 unlock_user(target_pfd
, arg1
, 0);
7192 target_set
= lock_user(VERIFY_READ
, arg4
, sizeof(target_sigset_t
), 1);
7194 unlock_user(target_pfd
, arg1
, 0);
7197 target_to_host_sigset(set
, target_set
);
7202 ret
= get_errno(sys_ppoll(pfd
, nfds
, timeout_ts
, set
, _NSIG
/8));
7204 if (!is_error(ret
) && arg3
) {
7205 host_to_target_timespec(arg3
, timeout_ts
);
7208 unlock_user(target_set
, arg4
, 0);
7212 ret
= get_errno(poll(pfd
, nfds
, timeout
));
7214 if (!is_error(ret
)) {
7215 for(i
= 0; i
< nfds
; i
++) {
7216 target_pfd
[i
].revents
= tswap16(pfd
[i
].revents
);
7219 unlock_user(target_pfd
, arg1
, sizeof(struct target_pollfd
) * nfds
);
7223 case TARGET_NR_flock
:
7224 /* NOTE: the flock constant seems to be the same for every
7226 ret
= get_errno(flock(arg1
, arg2
));
7228 case TARGET_NR_readv
:
7230 struct iovec
*vec
= lock_iovec(VERIFY_WRITE
, arg2
, arg3
, 0);
7232 ret
= get_errno(readv(arg1
, vec
, arg3
));
7233 unlock_iovec(vec
, arg2
, arg3
, 1);
7235 ret
= -host_to_target_errno(errno
);
7239 case TARGET_NR_writev
:
7241 struct iovec
*vec
= lock_iovec(VERIFY_READ
, arg2
, arg3
, 1);
7243 ret
= get_errno(writev(arg1
, vec
, arg3
));
7244 unlock_iovec(vec
, arg2
, arg3
, 0);
7246 ret
= -host_to_target_errno(errno
);
7250 case TARGET_NR_getsid
:
7251 ret
= get_errno(getsid(arg1
));
7253 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
7254 case TARGET_NR_fdatasync
:
7255 ret
= get_errno(fdatasync(arg1
));
7258 case TARGET_NR__sysctl
:
7259 /* We don't implement this, but ENOTDIR is always a safe
7261 ret
= -TARGET_ENOTDIR
;
7263 case TARGET_NR_sched_getaffinity
:
7265 unsigned int mask_size
;
7266 unsigned long *mask
;
7269 * sched_getaffinity needs multiples of ulong, so need to take
7270 * care of mismatches between target ulong and host ulong sizes.
7272 if (arg2
& (sizeof(abi_ulong
) - 1)) {
7273 ret
= -TARGET_EINVAL
;
7276 mask_size
= (arg2
+ (sizeof(*mask
) - 1)) & ~(sizeof(*mask
) - 1);
7278 mask
= alloca(mask_size
);
7279 ret
= get_errno(sys_sched_getaffinity(arg1
, mask_size
, mask
));
7281 if (!is_error(ret
)) {
7282 if (copy_to_user(arg3
, mask
, ret
)) {
7288 case TARGET_NR_sched_setaffinity
:
7290 unsigned int mask_size
;
7291 unsigned long *mask
;
7294 * sched_setaffinity needs multiples of ulong, so need to take
7295 * care of mismatches between target ulong and host ulong sizes.
7297 if (arg2
& (sizeof(abi_ulong
) - 1)) {
7298 ret
= -TARGET_EINVAL
;
7301 mask_size
= (arg2
+ (sizeof(*mask
) - 1)) & ~(sizeof(*mask
) - 1);
7303 mask
= alloca(mask_size
);
7304 if (!lock_user_struct(VERIFY_READ
, p
, arg3
, 1)) {
7307 memcpy(mask
, p
, arg2
);
7308 unlock_user_struct(p
, arg2
, 0);
7310 ret
= get_errno(sys_sched_setaffinity(arg1
, mask_size
, mask
));
7313 case TARGET_NR_sched_setparam
:
7315 struct sched_param
*target_schp
;
7316 struct sched_param schp
;
7318 if (!lock_user_struct(VERIFY_READ
, target_schp
, arg2
, 1))
7320 schp
.sched_priority
= tswap32(target_schp
->sched_priority
);
7321 unlock_user_struct(target_schp
, arg2
, 0);
7322 ret
= get_errno(sched_setparam(arg1
, &schp
));
7325 case TARGET_NR_sched_getparam
:
7327 struct sched_param
*target_schp
;
7328 struct sched_param schp
;
7329 ret
= get_errno(sched_getparam(arg1
, &schp
));
7330 if (!is_error(ret
)) {
7331 if (!lock_user_struct(VERIFY_WRITE
, target_schp
, arg2
, 0))
7333 target_schp
->sched_priority
= tswap32(schp
.sched_priority
);
7334 unlock_user_struct(target_schp
, arg2
, 1);
7338 case TARGET_NR_sched_setscheduler
:
7340 struct sched_param
*target_schp
;
7341 struct sched_param schp
;
7342 if (!lock_user_struct(VERIFY_READ
, target_schp
, arg3
, 1))
7344 schp
.sched_priority
= tswap32(target_schp
->sched_priority
);
7345 unlock_user_struct(target_schp
, arg3
, 0);
7346 ret
= get_errno(sched_setscheduler(arg1
, arg2
, &schp
));
7349 case TARGET_NR_sched_getscheduler
:
7350 ret
= get_errno(sched_getscheduler(arg1
));
7352 case TARGET_NR_sched_yield
:
7353 ret
= get_errno(sched_yield());
7355 case TARGET_NR_sched_get_priority_max
:
7356 ret
= get_errno(sched_get_priority_max(arg1
));
7358 case TARGET_NR_sched_get_priority_min
:
7359 ret
= get_errno(sched_get_priority_min(arg1
));
7361 case TARGET_NR_sched_rr_get_interval
:
7364 ret
= get_errno(sched_rr_get_interval(arg1
, &ts
));
7365 if (!is_error(ret
)) {
7366 host_to_target_timespec(arg2
, &ts
);
7370 case TARGET_NR_nanosleep
:
7372 struct timespec req
, rem
;
7373 target_to_host_timespec(&req
, arg1
);
7374 ret
= get_errno(nanosleep(&req
, &rem
));
7375 if (is_error(ret
) && arg2
) {
7376 host_to_target_timespec(arg2
, &rem
);
7380 #ifdef TARGET_NR_query_module
7381 case TARGET_NR_query_module
:
7384 #ifdef TARGET_NR_nfsservctl
7385 case TARGET_NR_nfsservctl
:
7388 case TARGET_NR_prctl
:
7390 case PR_GET_PDEATHSIG
:
7393 ret
= get_errno(prctl(arg1
, &deathsig
, arg3
, arg4
, arg5
));
7394 if (!is_error(ret
) && arg2
7395 && put_user_ual(deathsig
, arg2
)) {
7403 void *name
= lock_user(VERIFY_WRITE
, arg2
, 16, 1);
7407 ret
= get_errno(prctl(arg1
, (unsigned long)name
,
7409 unlock_user(name
, arg2
, 16);
7414 void *name
= lock_user(VERIFY_READ
, arg2
, 16, 1);
7418 ret
= get_errno(prctl(arg1
, (unsigned long)name
,
7420 unlock_user(name
, arg2
, 0);
7425 /* Most prctl options have no pointer arguments */
7426 ret
= get_errno(prctl(arg1
, arg2
, arg3
, arg4
, arg5
));
7430 #ifdef TARGET_NR_arch_prctl
7431 case TARGET_NR_arch_prctl
:
7432 #if defined(TARGET_I386) && !defined(TARGET_ABI32)
7433 ret
= do_arch_prctl(cpu_env
, arg1
, arg2
);
7439 #ifdef TARGET_NR_pread64
7440 case TARGET_NR_pread64
:
7441 if (regpairs_aligned(cpu_env
)) {
7445 if (!(p
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0)))
7447 ret
= get_errno(pread64(arg1
, p
, arg3
, target_offset64(arg4
, arg5
)));
7448 unlock_user(p
, arg2
, ret
);
7450 case TARGET_NR_pwrite64
:
7451 if (regpairs_aligned(cpu_env
)) {
7455 if (!(p
= lock_user(VERIFY_READ
, arg2
, arg3
, 1)))
7457 ret
= get_errno(pwrite64(arg1
, p
, arg3
, target_offset64(arg4
, arg5
)));
7458 unlock_user(p
, arg2
, 0);
7461 case TARGET_NR_getcwd
:
7462 if (!(p
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0)))
7464 ret
= get_errno(sys_getcwd1(p
, arg2
));
7465 unlock_user(p
, arg1
, ret
);
7467 case TARGET_NR_capget
:
7469 case TARGET_NR_capset
:
7471 case TARGET_NR_sigaltstack
:
7472 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
7473 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
7474 defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC)
7475 ret
= do_sigaltstack(arg1
, arg2
, get_sp_from_cpustate((CPUArchState
*)cpu_env
));
7481 #ifdef CONFIG_SENDFILE
7482 case TARGET_NR_sendfile
:
7487 ret
= get_user_sal(off
, arg3
);
7488 if (is_error(ret
)) {
7493 ret
= get_errno(sendfile(arg1
, arg2
, offp
, arg4
));
7494 if (!is_error(ret
) && arg3
) {
7495 abi_long ret2
= put_user_sal(off
, arg3
);
7496 if (is_error(ret2
)) {
7502 #ifdef TARGET_NR_sendfile64
7503 case TARGET_NR_sendfile64
:
7508 ret
= get_user_s64(off
, arg3
);
7509 if (is_error(ret
)) {
7514 ret
= get_errno(sendfile(arg1
, arg2
, offp
, arg4
));
7515 if (!is_error(ret
) && arg3
) {
7516 abi_long ret2
= put_user_s64(off
, arg3
);
7517 if (is_error(ret2
)) {
7525 case TARGET_NR_sendfile
:
7526 #ifdef TARGET_NR_sendfile64
7527 case TARGET_NR_sendfile64
:
7532 #ifdef TARGET_NR_getpmsg
7533 case TARGET_NR_getpmsg
:
7536 #ifdef TARGET_NR_putpmsg
7537 case TARGET_NR_putpmsg
:
7540 #ifdef TARGET_NR_vfork
7541 case TARGET_NR_vfork
:
7542 ret
= get_errno(do_fork(cpu_env
, CLONE_VFORK
| CLONE_VM
| SIGCHLD
,
7546 #ifdef TARGET_NR_ugetrlimit
7547 case TARGET_NR_ugetrlimit
:
7550 int resource
= target_to_host_resource(arg1
);
7551 ret
= get_errno(getrlimit(resource
, &rlim
));
7552 if (!is_error(ret
)) {
7553 struct target_rlimit
*target_rlim
;
7554 if (!lock_user_struct(VERIFY_WRITE
, target_rlim
, arg2
, 0))
7556 target_rlim
->rlim_cur
= host_to_target_rlim(rlim
.rlim_cur
);
7557 target_rlim
->rlim_max
= host_to_target_rlim(rlim
.rlim_max
);
7558 unlock_user_struct(target_rlim
, arg2
, 1);
7563 #ifdef TARGET_NR_truncate64
7564 case TARGET_NR_truncate64
:
7565 if (!(p
= lock_user_string(arg1
)))
7567 ret
= target_truncate64(cpu_env
, p
, arg2
, arg3
, arg4
);
7568 unlock_user(p
, arg1
, 0);
7571 #ifdef TARGET_NR_ftruncate64
7572 case TARGET_NR_ftruncate64
:
7573 ret
= target_ftruncate64(cpu_env
, arg1
, arg2
, arg3
, arg4
);
7576 #ifdef TARGET_NR_stat64
7577 case TARGET_NR_stat64
:
7578 if (!(p
= lock_user_string(arg1
)))
7580 ret
= get_errno(stat(path(p
), &st
));
7581 unlock_user(p
, arg1
, 0);
7583 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
7586 #ifdef TARGET_NR_lstat64
7587 case TARGET_NR_lstat64
:
7588 if (!(p
= lock_user_string(arg1
)))
7590 ret
= get_errno(lstat(path(p
), &st
));
7591 unlock_user(p
, arg1
, 0);
7593 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
7596 #ifdef TARGET_NR_fstat64
7597 case TARGET_NR_fstat64
:
7598 ret
= get_errno(fstat(arg1
, &st
));
7600 ret
= host_to_target_stat64(cpu_env
, arg2
, &st
);
7603 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat))
7604 #ifdef TARGET_NR_fstatat64
7605 case TARGET_NR_fstatat64
:
7607 #ifdef TARGET_NR_newfstatat
7608 case TARGET_NR_newfstatat
:
7610 if (!(p
= lock_user_string(arg2
)))
7612 ret
= get_errno(fstatat(arg1
, path(p
), &st
, arg4
));
7614 ret
= host_to_target_stat64(cpu_env
, arg3
, &st
);
7617 case TARGET_NR_lchown
:
7618 if (!(p
= lock_user_string(arg1
)))
7620 ret
= get_errno(lchown(p
, low2highuid(arg2
), low2highgid(arg3
)));
7621 unlock_user(p
, arg1
, 0);
7623 #ifdef TARGET_NR_getuid
7624 case TARGET_NR_getuid
:
7625 ret
= get_errno(high2lowuid(getuid()));
7628 #ifdef TARGET_NR_getgid
7629 case TARGET_NR_getgid
:
7630 ret
= get_errno(high2lowgid(getgid()));
7633 #ifdef TARGET_NR_geteuid
7634 case TARGET_NR_geteuid
:
7635 ret
= get_errno(high2lowuid(geteuid()));
7638 #ifdef TARGET_NR_getegid
7639 case TARGET_NR_getegid
:
7640 ret
= get_errno(high2lowgid(getegid()));
7643 case TARGET_NR_setreuid
:
7644 ret
= get_errno(setreuid(low2highuid(arg1
), low2highuid(arg2
)));
7646 case TARGET_NR_setregid
:
7647 ret
= get_errno(setregid(low2highgid(arg1
), low2highgid(arg2
)));
7649 case TARGET_NR_getgroups
:
7651 int gidsetsize
= arg1
;
7652 target_id
*target_grouplist
;
7656 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
7657 ret
= get_errno(getgroups(gidsetsize
, grouplist
));
7658 if (gidsetsize
== 0)
7660 if (!is_error(ret
)) {
7661 target_grouplist
= lock_user(VERIFY_WRITE
, arg2
, gidsetsize
* sizeof(target_id
), 0);
7662 if (!target_grouplist
)
7664 for(i
= 0;i
< ret
; i
++)
7665 target_grouplist
[i
] = tswapid(high2lowgid(grouplist
[i
]));
7666 unlock_user(target_grouplist
, arg2
, gidsetsize
* sizeof(target_id
));
7670 case TARGET_NR_setgroups
:
7672 int gidsetsize
= arg1
;
7673 target_id
*target_grouplist
;
7674 gid_t
*grouplist
= NULL
;
7677 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
7678 target_grouplist
= lock_user(VERIFY_READ
, arg2
, gidsetsize
* sizeof(target_id
), 1);
7679 if (!target_grouplist
) {
7680 ret
= -TARGET_EFAULT
;
7683 for (i
= 0; i
< gidsetsize
; i
++) {
7684 grouplist
[i
] = low2highgid(tswapid(target_grouplist
[i
]));
7686 unlock_user(target_grouplist
, arg2
, 0);
7688 ret
= get_errno(setgroups(gidsetsize
, grouplist
));
7691 case TARGET_NR_fchown
:
7692 ret
= get_errno(fchown(arg1
, low2highuid(arg2
), low2highgid(arg3
)));
7694 #if defined(TARGET_NR_fchownat)
7695 case TARGET_NR_fchownat
:
7696 if (!(p
= lock_user_string(arg2
)))
7698 ret
= get_errno(fchownat(arg1
, p
, low2highuid(arg3
),
7699 low2highgid(arg4
), arg5
));
7700 unlock_user(p
, arg2
, 0);
7703 #ifdef TARGET_NR_setresuid
7704 case TARGET_NR_setresuid
:
7705 ret
= get_errno(setresuid(low2highuid(arg1
),
7707 low2highuid(arg3
)));
7710 #ifdef TARGET_NR_getresuid
7711 case TARGET_NR_getresuid
:
7713 uid_t ruid
, euid
, suid
;
7714 ret
= get_errno(getresuid(&ruid
, &euid
, &suid
));
7715 if (!is_error(ret
)) {
7716 if (put_user_u16(high2lowuid(ruid
), arg1
)
7717 || put_user_u16(high2lowuid(euid
), arg2
)
7718 || put_user_u16(high2lowuid(suid
), arg3
))
7724 #ifdef TARGET_NR_getresgid
7725 case TARGET_NR_setresgid
:
7726 ret
= get_errno(setresgid(low2highgid(arg1
),
7728 low2highgid(arg3
)));
7731 #ifdef TARGET_NR_getresgid
7732 case TARGET_NR_getresgid
:
7734 gid_t rgid
, egid
, sgid
;
7735 ret
= get_errno(getresgid(&rgid
, &egid
, &sgid
));
7736 if (!is_error(ret
)) {
7737 if (put_user_u16(high2lowgid(rgid
), arg1
)
7738 || put_user_u16(high2lowgid(egid
), arg2
)
7739 || put_user_u16(high2lowgid(sgid
), arg3
))
7745 case TARGET_NR_chown
:
7746 if (!(p
= lock_user_string(arg1
)))
7748 ret
= get_errno(chown(p
, low2highuid(arg2
), low2highgid(arg3
)));
7749 unlock_user(p
, arg1
, 0);
7751 case TARGET_NR_setuid
:
7752 ret
= get_errno(setuid(low2highuid(arg1
)));
7754 case TARGET_NR_setgid
:
7755 ret
= get_errno(setgid(low2highgid(arg1
)));
7757 case TARGET_NR_setfsuid
:
7758 ret
= get_errno(setfsuid(arg1
));
7760 case TARGET_NR_setfsgid
:
7761 ret
= get_errno(setfsgid(arg1
));
7764 #ifdef TARGET_NR_lchown32
7765 case TARGET_NR_lchown32
:
7766 if (!(p
= lock_user_string(arg1
)))
7768 ret
= get_errno(lchown(p
, arg2
, arg3
));
7769 unlock_user(p
, arg1
, 0);
7772 #ifdef TARGET_NR_getuid32
7773 case TARGET_NR_getuid32
:
7774 ret
= get_errno(getuid());
7778 #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
7779 /* Alpha specific */
7780 case TARGET_NR_getxuid
:
7784 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
]=euid
;
7786 ret
= get_errno(getuid());
7789 #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
7790 /* Alpha specific */
7791 case TARGET_NR_getxgid
:
7795 ((CPUAlphaState
*)cpu_env
)->ir
[IR_A4
]=egid
;
7797 ret
= get_errno(getgid());
7800 #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
7801 /* Alpha specific */
7802 case TARGET_NR_osf_getsysinfo
:
7803 ret
= -TARGET_EOPNOTSUPP
;
7805 case TARGET_GSI_IEEE_FP_CONTROL
:
7807 uint64_t swcr
, fpcr
= cpu_alpha_load_fpcr (cpu_env
);
7809 /* Copied from linux ieee_fpcr_to_swcr. */
7810 swcr
= (fpcr
>> 35) & SWCR_STATUS_MASK
;
7811 swcr
|= (fpcr
>> 36) & SWCR_MAP_DMZ
;
7812 swcr
|= (~fpcr
>> 48) & (SWCR_TRAP_ENABLE_INV
7813 | SWCR_TRAP_ENABLE_DZE
7814 | SWCR_TRAP_ENABLE_OVF
);
7815 swcr
|= (~fpcr
>> 57) & (SWCR_TRAP_ENABLE_UNF
7816 | SWCR_TRAP_ENABLE_INE
);
7817 swcr
|= (fpcr
>> 47) & SWCR_MAP_UMZ
;
7818 swcr
|= (~fpcr
>> 41) & SWCR_TRAP_ENABLE_DNO
;
7820 if (put_user_u64 (swcr
, arg2
))
7826 /* case GSI_IEEE_STATE_AT_SIGNAL:
7827 -- Not implemented in linux kernel.
7829 -- Retrieves current unaligned access state; not much used.
7831 -- Retrieves implver information; surely not used.
7833 -- Grabs a copy of the HWRPB; surely not used.
7838 #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
7839 /* Alpha specific */
7840 case TARGET_NR_osf_setsysinfo
:
7841 ret
= -TARGET_EOPNOTSUPP
;
7843 case TARGET_SSI_IEEE_FP_CONTROL
:
7845 uint64_t swcr
, fpcr
, orig_fpcr
;
7847 if (get_user_u64 (swcr
, arg2
)) {
7850 orig_fpcr
= cpu_alpha_load_fpcr(cpu_env
);
7851 fpcr
= orig_fpcr
& FPCR_DYN_MASK
;
7853 /* Copied from linux ieee_swcr_to_fpcr. */
7854 fpcr
|= (swcr
& SWCR_STATUS_MASK
) << 35;
7855 fpcr
|= (swcr
& SWCR_MAP_DMZ
) << 36;
7856 fpcr
|= (~swcr
& (SWCR_TRAP_ENABLE_INV
7857 | SWCR_TRAP_ENABLE_DZE
7858 | SWCR_TRAP_ENABLE_OVF
)) << 48;
7859 fpcr
|= (~swcr
& (SWCR_TRAP_ENABLE_UNF
7860 | SWCR_TRAP_ENABLE_INE
)) << 57;
7861 fpcr
|= (swcr
& SWCR_MAP_UMZ
? FPCR_UNDZ
| FPCR_UNFD
: 0);
7862 fpcr
|= (~swcr
& SWCR_TRAP_ENABLE_DNO
) << 41;
7864 cpu_alpha_store_fpcr(cpu_env
, fpcr
);
7869 case TARGET_SSI_IEEE_RAISE_EXCEPTION
:
7871 uint64_t exc
, fpcr
, orig_fpcr
;
7874 if (get_user_u64(exc
, arg2
)) {
7878 orig_fpcr
= cpu_alpha_load_fpcr(cpu_env
);
7880 /* We only add to the exception status here. */
7881 fpcr
= orig_fpcr
| ((exc
& SWCR_STATUS_MASK
) << 35);
7883 cpu_alpha_store_fpcr(cpu_env
, fpcr
);
7886 /* Old exceptions are not signaled. */
7887 fpcr
&= ~(orig_fpcr
& FPCR_STATUS_MASK
);
7889 /* If any exceptions set by this call,
7890 and are unmasked, send a signal. */
7892 if ((fpcr
& (FPCR_INE
| FPCR_INED
)) == FPCR_INE
) {
7893 si_code
= TARGET_FPE_FLTRES
;
7895 if ((fpcr
& (FPCR_UNF
| FPCR_UNFD
)) == FPCR_UNF
) {
7896 si_code
= TARGET_FPE_FLTUND
;
7898 if ((fpcr
& (FPCR_OVF
| FPCR_OVFD
)) == FPCR_OVF
) {
7899 si_code
= TARGET_FPE_FLTOVF
;
7901 if ((fpcr
& (FPCR_DZE
| FPCR_DZED
)) == FPCR_DZE
) {
7902 si_code
= TARGET_FPE_FLTDIV
;
7904 if ((fpcr
& (FPCR_INV
| FPCR_INVD
)) == FPCR_INV
) {
7905 si_code
= TARGET_FPE_FLTINV
;
7908 target_siginfo_t info
;
7909 info
.si_signo
= SIGFPE
;
7911 info
.si_code
= si_code
;
7912 info
._sifields
._sigfault
._addr
7913 = ((CPUArchState
*)cpu_env
)->pc
;
7914 queue_signal((CPUArchState
*)cpu_env
, info
.si_signo
, &info
);
7919 /* case SSI_NVPAIRS:
7920 -- Used with SSIN_UACPROC to enable unaligned accesses.
7921 case SSI_IEEE_STATE_AT_SIGNAL:
7922 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
7923 -- Not implemented in linux kernel
7928 #ifdef TARGET_NR_osf_sigprocmask
7929 /* Alpha specific. */
7930 case TARGET_NR_osf_sigprocmask
:
7934 sigset_t set
, oldset
;
7937 case TARGET_SIG_BLOCK
:
7940 case TARGET_SIG_UNBLOCK
:
7943 case TARGET_SIG_SETMASK
:
7947 ret
= -TARGET_EINVAL
;
7951 target_to_host_old_sigset(&set
, &mask
);
7952 sigprocmask(how
, &set
, &oldset
);
7953 host_to_target_old_sigset(&mask
, &oldset
);
7959 #ifdef TARGET_NR_getgid32
7960 case TARGET_NR_getgid32
:
7961 ret
= get_errno(getgid());
7964 #ifdef TARGET_NR_geteuid32
7965 case TARGET_NR_geteuid32
:
7966 ret
= get_errno(geteuid());
7969 #ifdef TARGET_NR_getegid32
7970 case TARGET_NR_getegid32
:
7971 ret
= get_errno(getegid());
7974 #ifdef TARGET_NR_setreuid32
7975 case TARGET_NR_setreuid32
:
7976 ret
= get_errno(setreuid(arg1
, arg2
));
7979 #ifdef TARGET_NR_setregid32
7980 case TARGET_NR_setregid32
:
7981 ret
= get_errno(setregid(arg1
, arg2
));
7984 #ifdef TARGET_NR_getgroups32
7985 case TARGET_NR_getgroups32
:
7987 int gidsetsize
= arg1
;
7988 uint32_t *target_grouplist
;
7992 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
7993 ret
= get_errno(getgroups(gidsetsize
, grouplist
));
7994 if (gidsetsize
== 0)
7996 if (!is_error(ret
)) {
7997 target_grouplist
= lock_user(VERIFY_WRITE
, arg2
, gidsetsize
* 4, 0);
7998 if (!target_grouplist
) {
7999 ret
= -TARGET_EFAULT
;
8002 for(i
= 0;i
< ret
; i
++)
8003 target_grouplist
[i
] = tswap32(grouplist
[i
]);
8004 unlock_user(target_grouplist
, arg2
, gidsetsize
* 4);
8009 #ifdef TARGET_NR_setgroups32
8010 case TARGET_NR_setgroups32
:
8012 int gidsetsize
= arg1
;
8013 uint32_t *target_grouplist
;
8017 grouplist
= alloca(gidsetsize
* sizeof(gid_t
));
8018 target_grouplist
= lock_user(VERIFY_READ
, arg2
, gidsetsize
* 4, 1);
8019 if (!target_grouplist
) {
8020 ret
= -TARGET_EFAULT
;
8023 for(i
= 0;i
< gidsetsize
; i
++)
8024 grouplist
[i
] = tswap32(target_grouplist
[i
]);
8025 unlock_user(target_grouplist
, arg2
, 0);
8026 ret
= get_errno(setgroups(gidsetsize
, grouplist
));
8030 #ifdef TARGET_NR_fchown32
8031 case TARGET_NR_fchown32
:
8032 ret
= get_errno(fchown(arg1
, arg2
, arg3
));
8035 #ifdef TARGET_NR_setresuid32
8036 case TARGET_NR_setresuid32
:
8037 ret
= get_errno(setresuid(arg1
, arg2
, arg3
));
8040 #ifdef TARGET_NR_getresuid32
8041 case TARGET_NR_getresuid32
:
8043 uid_t ruid
, euid
, suid
;
8044 ret
= get_errno(getresuid(&ruid
, &euid
, &suid
));
8045 if (!is_error(ret
)) {
8046 if (put_user_u32(ruid
, arg1
)
8047 || put_user_u32(euid
, arg2
)
8048 || put_user_u32(suid
, arg3
))
8054 #ifdef TARGET_NR_setresgid32
8055 case TARGET_NR_setresgid32
:
8056 ret
= get_errno(setresgid(arg1
, arg2
, arg3
));
8059 #ifdef TARGET_NR_getresgid32
8060 case TARGET_NR_getresgid32
:
8062 gid_t rgid
, egid
, sgid
;
8063 ret
= get_errno(getresgid(&rgid
, &egid
, &sgid
));
8064 if (!is_error(ret
)) {
8065 if (put_user_u32(rgid
, arg1
)
8066 || put_user_u32(egid
, arg2
)
8067 || put_user_u32(sgid
, arg3
))
8073 #ifdef TARGET_NR_chown32
8074 case TARGET_NR_chown32
:
8075 if (!(p
= lock_user_string(arg1
)))
8077 ret
= get_errno(chown(p
, arg2
, arg3
));
8078 unlock_user(p
, arg1
, 0);
8081 #ifdef TARGET_NR_setuid32
8082 case TARGET_NR_setuid32
:
8083 ret
= get_errno(setuid(arg1
));
8086 #ifdef TARGET_NR_setgid32
8087 case TARGET_NR_setgid32
:
8088 ret
= get_errno(setgid(arg1
));
8091 #ifdef TARGET_NR_setfsuid32
8092 case TARGET_NR_setfsuid32
:
8093 ret
= get_errno(setfsuid(arg1
));
8096 #ifdef TARGET_NR_setfsgid32
8097 case TARGET_NR_setfsgid32
:
8098 ret
= get_errno(setfsgid(arg1
));
8102 case TARGET_NR_pivot_root
:
8104 #ifdef TARGET_NR_mincore
8105 case TARGET_NR_mincore
:
8108 ret
= -TARGET_EFAULT
;
8109 if (!(a
= lock_user(VERIFY_READ
, arg1
,arg2
, 0)))
8111 if (!(p
= lock_user_string(arg3
)))
8113 ret
= get_errno(mincore(a
, arg2
, p
));
8114 unlock_user(p
, arg3
, ret
);
8116 unlock_user(a
, arg1
, 0);
8120 #ifdef TARGET_NR_arm_fadvise64_64
8121 case TARGET_NR_arm_fadvise64_64
:
8124 * arm_fadvise64_64 looks like fadvise64_64 but
8125 * with different argument order
8133 #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
8134 #ifdef TARGET_NR_fadvise64_64
8135 case TARGET_NR_fadvise64_64
:
8137 #ifdef TARGET_NR_fadvise64
8138 case TARGET_NR_fadvise64
:
8142 case 4: arg4
= POSIX_FADV_NOREUSE
+ 1; break; /* make sure it's an invalid value */
8143 case 5: arg4
= POSIX_FADV_NOREUSE
+ 2; break; /* ditto */
8144 case 6: arg4
= POSIX_FADV_DONTNEED
; break;
8145 case 7: arg4
= POSIX_FADV_NOREUSE
; break;
8149 ret
= -posix_fadvise(arg1
, arg2
, arg3
, arg4
);
8152 #ifdef TARGET_NR_madvise
8153 case TARGET_NR_madvise
:
8154 /* A straight passthrough may not be safe because qemu sometimes
8155 turns private file-backed mappings into anonymous mappings.
8156 This will break MADV_DONTNEED.
8157 This is a hint, so ignoring and returning success is ok. */
8161 #if TARGET_ABI_BITS == 32
8162 case TARGET_NR_fcntl64
:
8166 struct target_flock64
*target_fl
;
8168 struct target_eabi_flock64
*target_efl
;
8171 cmd
= target_to_host_fcntl_cmd(arg2
);
8172 if (cmd
== -TARGET_EINVAL
) {
8178 case TARGET_F_GETLK64
:
8180 if (((CPUARMState
*)cpu_env
)->eabi
) {
8181 if (!lock_user_struct(VERIFY_READ
, target_efl
, arg3
, 1))
8183 fl
.l_type
= tswap16(target_efl
->l_type
);
8184 fl
.l_whence
= tswap16(target_efl
->l_whence
);
8185 fl
.l_start
= tswap64(target_efl
->l_start
);
8186 fl
.l_len
= tswap64(target_efl
->l_len
);
8187 fl
.l_pid
= tswap32(target_efl
->l_pid
);
8188 unlock_user_struct(target_efl
, arg3
, 0);
8192 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg3
, 1))
8194 fl
.l_type
= tswap16(target_fl
->l_type
);
8195 fl
.l_whence
= tswap16(target_fl
->l_whence
);
8196 fl
.l_start
= tswap64(target_fl
->l_start
);
8197 fl
.l_len
= tswap64(target_fl
->l_len
);
8198 fl
.l_pid
= tswap32(target_fl
->l_pid
);
8199 unlock_user_struct(target_fl
, arg3
, 0);
8201 ret
= get_errno(fcntl(arg1
, cmd
, &fl
));
8204 if (((CPUARMState
*)cpu_env
)->eabi
) {
8205 if (!lock_user_struct(VERIFY_WRITE
, target_efl
, arg3
, 0))
8207 target_efl
->l_type
= tswap16(fl
.l_type
);
8208 target_efl
->l_whence
= tswap16(fl
.l_whence
);
8209 target_efl
->l_start
= tswap64(fl
.l_start
);
8210 target_efl
->l_len
= tswap64(fl
.l_len
);
8211 target_efl
->l_pid
= tswap32(fl
.l_pid
);
8212 unlock_user_struct(target_efl
, arg3
, 1);
8216 if (!lock_user_struct(VERIFY_WRITE
, target_fl
, arg3
, 0))
8218 target_fl
->l_type
= tswap16(fl
.l_type
);
8219 target_fl
->l_whence
= tswap16(fl
.l_whence
);
8220 target_fl
->l_start
= tswap64(fl
.l_start
);
8221 target_fl
->l_len
= tswap64(fl
.l_len
);
8222 target_fl
->l_pid
= tswap32(fl
.l_pid
);
8223 unlock_user_struct(target_fl
, arg3
, 1);
8228 case TARGET_F_SETLK64
:
8229 case TARGET_F_SETLKW64
:
8231 if (((CPUARMState
*)cpu_env
)->eabi
) {
8232 if (!lock_user_struct(VERIFY_READ
, target_efl
, arg3
, 1))
8234 fl
.l_type
= tswap16(target_efl
->l_type
);
8235 fl
.l_whence
= tswap16(target_efl
->l_whence
);
8236 fl
.l_start
= tswap64(target_efl
->l_start
);
8237 fl
.l_len
= tswap64(target_efl
->l_len
);
8238 fl
.l_pid
= tswap32(target_efl
->l_pid
);
8239 unlock_user_struct(target_efl
, arg3
, 0);
8243 if (!lock_user_struct(VERIFY_READ
, target_fl
, arg3
, 1))
8245 fl
.l_type
= tswap16(target_fl
->l_type
);
8246 fl
.l_whence
= tswap16(target_fl
->l_whence
);
8247 fl
.l_start
= tswap64(target_fl
->l_start
);
8248 fl
.l_len
= tswap64(target_fl
->l_len
);
8249 fl
.l_pid
= tswap32(target_fl
->l_pid
);
8250 unlock_user_struct(target_fl
, arg3
, 0);
8252 ret
= get_errno(fcntl(arg1
, cmd
, &fl
));
8255 ret
= do_fcntl(arg1
, arg2
, arg3
);
8261 #ifdef TARGET_NR_cacheflush
8262 case TARGET_NR_cacheflush
:
8263 /* self-modifying code is handled automatically, so nothing needed */
8267 #ifdef TARGET_NR_security
8268 case TARGET_NR_security
:
8271 #ifdef TARGET_NR_getpagesize
8272 case TARGET_NR_getpagesize
:
8273 ret
= TARGET_PAGE_SIZE
;
8276 case TARGET_NR_gettid
:
8277 ret
= get_errno(gettid());
8279 #ifdef TARGET_NR_readahead
8280 case TARGET_NR_readahead
:
8281 #if TARGET_ABI_BITS == 32
8282 if (regpairs_aligned(cpu_env
)) {
8287 ret
= get_errno(readahead(arg1
, ((off64_t
)arg3
<< 32) | arg2
, arg4
));
8289 ret
= get_errno(readahead(arg1
, arg2
, arg3
));
8294 #ifdef TARGET_NR_setxattr
8295 case TARGET_NR_listxattr
:
8296 case TARGET_NR_llistxattr
:
8300 b
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
8302 ret
= -TARGET_EFAULT
;
8306 p
= lock_user_string(arg1
);
8308 if (num
== TARGET_NR_listxattr
) {
8309 ret
= get_errno(listxattr(p
, b
, arg3
));
8311 ret
= get_errno(llistxattr(p
, b
, arg3
));
8314 ret
= -TARGET_EFAULT
;
8316 unlock_user(p
, arg1
, 0);
8317 unlock_user(b
, arg2
, arg3
);
8320 case TARGET_NR_flistxattr
:
8324 b
= lock_user(VERIFY_WRITE
, arg2
, arg3
, 0);
8326 ret
= -TARGET_EFAULT
;
8330 ret
= get_errno(flistxattr(arg1
, b
, arg3
));
8331 unlock_user(b
, arg2
, arg3
);
8334 case TARGET_NR_setxattr
:
8335 case TARGET_NR_lsetxattr
:
8337 void *p
, *n
, *v
= 0;
8339 v
= lock_user(VERIFY_READ
, arg3
, arg4
, 1);
8341 ret
= -TARGET_EFAULT
;
8345 p
= lock_user_string(arg1
);
8346 n
= lock_user_string(arg2
);
8348 if (num
== TARGET_NR_setxattr
) {
8349 ret
= get_errno(setxattr(p
, n
, v
, arg4
, arg5
));
8351 ret
= get_errno(lsetxattr(p
, n
, v
, arg4
, arg5
));
8354 ret
= -TARGET_EFAULT
;
8356 unlock_user(p
, arg1
, 0);
8357 unlock_user(n
, arg2
, 0);
8358 unlock_user(v
, arg3
, 0);
8361 case TARGET_NR_fsetxattr
:
8365 v
= lock_user(VERIFY_READ
, arg3
, arg4
, 1);
8367 ret
= -TARGET_EFAULT
;
8371 n
= lock_user_string(arg2
);
8373 ret
= get_errno(fsetxattr(arg1
, n
, v
, arg4
, arg5
));
8375 ret
= -TARGET_EFAULT
;
8377 unlock_user(n
, arg2
, 0);
8378 unlock_user(v
, arg3
, 0);
8381 case TARGET_NR_getxattr
:
8382 case TARGET_NR_lgetxattr
:
8384 void *p
, *n
, *v
= 0;
8386 v
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
8388 ret
= -TARGET_EFAULT
;
8392 p
= lock_user_string(arg1
);
8393 n
= lock_user_string(arg2
);
8395 if (num
== TARGET_NR_getxattr
) {
8396 ret
= get_errno(getxattr(p
, n
, v
, arg4
));
8398 ret
= get_errno(lgetxattr(p
, n
, v
, arg4
));
8401 ret
= -TARGET_EFAULT
;
8403 unlock_user(p
, arg1
, 0);
8404 unlock_user(n
, arg2
, 0);
8405 unlock_user(v
, arg3
, arg4
);
8408 case TARGET_NR_fgetxattr
:
8412 v
= lock_user(VERIFY_WRITE
, arg3
, arg4
, 0);
8414 ret
= -TARGET_EFAULT
;
8418 n
= lock_user_string(arg2
);
8420 ret
= get_errno(fgetxattr(arg1
, n
, v
, arg4
));
8422 ret
= -TARGET_EFAULT
;
8424 unlock_user(n
, arg2
, 0);
8425 unlock_user(v
, arg3
, arg4
);
8428 case TARGET_NR_removexattr
:
8429 case TARGET_NR_lremovexattr
:
8432 p
= lock_user_string(arg1
);
8433 n
= lock_user_string(arg2
);
8435 if (num
== TARGET_NR_removexattr
) {
8436 ret
= get_errno(removexattr(p
, n
));
8438 ret
= get_errno(lremovexattr(p
, n
));
8441 ret
= -TARGET_EFAULT
;
8443 unlock_user(p
, arg1
, 0);
8444 unlock_user(n
, arg2
, 0);
8447 case TARGET_NR_fremovexattr
:
8450 n
= lock_user_string(arg2
);
8452 ret
= get_errno(fremovexattr(arg1
, n
));
8454 ret
= -TARGET_EFAULT
;
8456 unlock_user(n
, arg2
, 0);
8460 #endif /* CONFIG_ATTR */
8461 #ifdef TARGET_NR_set_thread_area
8462 case TARGET_NR_set_thread_area
:
8463 #if defined(TARGET_MIPS)
8464 ((CPUMIPSState
*) cpu_env
)->tls_value
= arg1
;
8467 #elif defined(TARGET_CRIS)
8469 ret
= -TARGET_EINVAL
;
8471 ((CPUCRISState
*) cpu_env
)->pregs
[PR_PID
] = arg1
;
8475 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
8476 ret
= do_set_thread_area(cpu_env
, arg1
);
8479 goto unimplemented_nowarn
;
8482 #ifdef TARGET_NR_get_thread_area
8483 case TARGET_NR_get_thread_area
:
8484 #if defined(TARGET_I386) && defined(TARGET_ABI32)
8485 ret
= do_get_thread_area(cpu_env
, arg1
);
8487 goto unimplemented_nowarn
;
8490 #ifdef TARGET_NR_getdomainname
8491 case TARGET_NR_getdomainname
:
8492 goto unimplemented_nowarn
;
8495 #ifdef TARGET_NR_clock_gettime
8496 case TARGET_NR_clock_gettime
:
8499 ret
= get_errno(clock_gettime(arg1
, &ts
));
8500 if (!is_error(ret
)) {
8501 host_to_target_timespec(arg2
, &ts
);
8506 #ifdef TARGET_NR_clock_getres
8507 case TARGET_NR_clock_getres
:
8510 ret
= get_errno(clock_getres(arg1
, &ts
));
8511 if (!is_error(ret
)) {
8512 host_to_target_timespec(arg2
, &ts
);
8517 #ifdef TARGET_NR_clock_nanosleep
8518 case TARGET_NR_clock_nanosleep
:
8521 target_to_host_timespec(&ts
, arg3
);
8522 ret
= get_errno(clock_nanosleep(arg1
, arg2
, &ts
, arg4
? &ts
: NULL
));
8524 host_to_target_timespec(arg4
, &ts
);
8529 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
8530 case TARGET_NR_set_tid_address
:
8531 ret
= get_errno(set_tid_address((int *)g2h(arg1
)));
8535 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
8536 case TARGET_NR_tkill
:
8537 ret
= get_errno(sys_tkill((int)arg1
, target_to_host_signal(arg2
)));
8541 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
8542 case TARGET_NR_tgkill
:
8543 ret
= get_errno(sys_tgkill((int)arg1
, (int)arg2
,
8544 target_to_host_signal(arg3
)));
8548 #ifdef TARGET_NR_set_robust_list
8549 case TARGET_NR_set_robust_list
:
8550 case TARGET_NR_get_robust_list
:
8551 /* The ABI for supporting robust futexes has userspace pass
8552 * the kernel a pointer to a linked list which is updated by
8553 * userspace after the syscall; the list is walked by the kernel
8554 * when the thread exits. Since the linked list in QEMU guest
8555 * memory isn't a valid linked list for the host and we have
8556 * no way to reliably intercept the thread-death event, we can't
8557 * support these. Silently return ENOSYS so that guest userspace
8558 * falls back to a non-robust futex implementation (which should
8559 * be OK except in the corner case of the guest crashing while
8560 * holding a mutex that is shared with another process via
8563 goto unimplemented_nowarn
;
8566 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
8567 case TARGET_NR_utimensat
:
8569 struct timespec
*tsp
, ts
[2];
8573 target_to_host_timespec(ts
, arg3
);
8574 target_to_host_timespec(ts
+1, arg3
+sizeof(struct target_timespec
));
8578 ret
= get_errno(sys_utimensat(arg1
, NULL
, tsp
, arg4
));
8580 if (!(p
= lock_user_string(arg2
))) {
8581 ret
= -TARGET_EFAULT
;
8584 ret
= get_errno(sys_utimensat(arg1
, path(p
), tsp
, arg4
));
8585 unlock_user(p
, arg2
, 0);
8590 #if defined(CONFIG_USE_NPTL)
8591 case TARGET_NR_futex
:
8592 ret
= do_futex(arg1
, arg2
, arg3
, arg4
, arg5
, arg6
);
8595 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
8596 case TARGET_NR_inotify_init
:
8597 ret
= get_errno(sys_inotify_init());
8600 #ifdef CONFIG_INOTIFY1
8601 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
8602 case TARGET_NR_inotify_init1
:
8603 ret
= get_errno(sys_inotify_init1(arg1
));
8607 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
8608 case TARGET_NR_inotify_add_watch
:
8609 p
= lock_user_string(arg2
);
8610 ret
= get_errno(sys_inotify_add_watch(arg1
, path(p
), arg3
));
8611 unlock_user(p
, arg2
, 0);
8614 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
8615 case TARGET_NR_inotify_rm_watch
:
8616 ret
= get_errno(sys_inotify_rm_watch(arg1
, arg2
));
8620 #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
8621 case TARGET_NR_mq_open
:
8623 struct mq_attr posix_mq_attr
;
8625 p
= lock_user_string(arg1
- 1);
8627 copy_from_user_mq_attr (&posix_mq_attr
, arg4
);
8628 ret
= get_errno(mq_open(p
, arg2
, arg3
, &posix_mq_attr
));
8629 unlock_user (p
, arg1
, 0);
8633 case TARGET_NR_mq_unlink
:
8634 p
= lock_user_string(arg1
- 1);
8635 ret
= get_errno(mq_unlink(p
));
8636 unlock_user (p
, arg1
, 0);
8639 case TARGET_NR_mq_timedsend
:
8643 p
= lock_user (VERIFY_READ
, arg2
, arg3
, 1);
8645 target_to_host_timespec(&ts
, arg5
);
8646 ret
= get_errno(mq_timedsend(arg1
, p
, arg3
, arg4
, &ts
));
8647 host_to_target_timespec(arg5
, &ts
);
8650 ret
= get_errno(mq_send(arg1
, p
, arg3
, arg4
));
8651 unlock_user (p
, arg2
, arg3
);
8655 case TARGET_NR_mq_timedreceive
:
8660 p
= lock_user (VERIFY_READ
, arg2
, arg3
, 1);
8662 target_to_host_timespec(&ts
, arg5
);
8663 ret
= get_errno(mq_timedreceive(arg1
, p
, arg3
, &prio
, &ts
));
8664 host_to_target_timespec(arg5
, &ts
);
8667 ret
= get_errno(mq_receive(arg1
, p
, arg3
, &prio
));
8668 unlock_user (p
, arg2
, arg3
);
8670 put_user_u32(prio
, arg4
);
8674 /* Not implemented for now... */
8675 /* case TARGET_NR_mq_notify: */
8678 case TARGET_NR_mq_getsetattr
:
8680 struct mq_attr posix_mq_attr_in
, posix_mq_attr_out
;
8683 ret
= mq_getattr(arg1
, &posix_mq_attr_out
);
8684 copy_to_user_mq_attr(arg3
, &posix_mq_attr_out
);
8687 copy_from_user_mq_attr(&posix_mq_attr_in
, arg2
);
8688 ret
|= mq_setattr(arg1
, &posix_mq_attr_in
, &posix_mq_attr_out
);
8695 #ifdef CONFIG_SPLICE
8696 #ifdef TARGET_NR_tee
8699 ret
= get_errno(tee(arg1
,arg2
,arg3
,arg4
));
8703 #ifdef TARGET_NR_splice
8704 case TARGET_NR_splice
:
8706 loff_t loff_in
, loff_out
;
8707 loff_t
*ploff_in
= NULL
, *ploff_out
= NULL
;
8709 get_user_u64(loff_in
, arg2
);
8710 ploff_in
= &loff_in
;
8713 get_user_u64(loff_out
, arg2
);
8714 ploff_out
= &loff_out
;
8716 ret
= get_errno(splice(arg1
, ploff_in
, arg3
, ploff_out
, arg5
, arg6
));
8720 #ifdef TARGET_NR_vmsplice
8721 case TARGET_NR_vmsplice
:
8723 struct iovec
*vec
= lock_iovec(VERIFY_READ
, arg2
, arg3
, 1);
8725 ret
= get_errno(vmsplice(arg1
, vec
, arg3
, arg4
));
8726 unlock_iovec(vec
, arg2
, arg3
, 0);
8728 ret
= -host_to_target_errno(errno
);
8733 #endif /* CONFIG_SPLICE */
8734 #ifdef CONFIG_EVENTFD
8735 #if defined(TARGET_NR_eventfd)
8736 case TARGET_NR_eventfd
:
8737 ret
= get_errno(eventfd(arg1
, 0));
8740 #if defined(TARGET_NR_eventfd2)
8741 case TARGET_NR_eventfd2
:
8743 int host_flags
= arg2
& (~(TARGET_O_NONBLOCK
| TARGET_O_CLOEXEC
));
8744 if (arg2
& TARGET_O_NONBLOCK
) {
8745 host_flags
|= O_NONBLOCK
;
8747 if (arg2
& TARGET_O_CLOEXEC
) {
8748 host_flags
|= O_CLOEXEC
;
8750 ret
= get_errno(eventfd(arg1
, host_flags
));
8754 #endif /* CONFIG_EVENTFD */
8755 #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
8756 case TARGET_NR_fallocate
:
8757 #if TARGET_ABI_BITS == 32
8758 ret
= get_errno(fallocate(arg1
, arg2
, target_offset64(arg3
, arg4
),
8759 target_offset64(arg5
, arg6
)));
8761 ret
= get_errno(fallocate(arg1
, arg2
, arg3
, arg4
));
8765 #if defined(CONFIG_SYNC_FILE_RANGE)
8766 #if defined(TARGET_NR_sync_file_range)
8767 case TARGET_NR_sync_file_range
:
8768 #if TARGET_ABI_BITS == 32
8769 #if defined(TARGET_MIPS)
8770 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg3
, arg4
),
8771 target_offset64(arg5
, arg6
), arg7
));
8773 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg2
, arg3
),
8774 target_offset64(arg4
, arg5
), arg6
));
8775 #endif /* !TARGET_MIPS */
8777 ret
= get_errno(sync_file_range(arg1
, arg2
, arg3
, arg4
));
8781 #if defined(TARGET_NR_sync_file_range2)
8782 case TARGET_NR_sync_file_range2
:
8783 /* This is like sync_file_range but the arguments are reordered */
8784 #if TARGET_ABI_BITS == 32
8785 ret
= get_errno(sync_file_range(arg1
, target_offset64(arg3
, arg4
),
8786 target_offset64(arg5
, arg6
), arg2
));
8788 ret
= get_errno(sync_file_range(arg1
, arg3
, arg4
, arg2
));
8793 #if defined(CONFIG_EPOLL)
8794 #if defined(TARGET_NR_epoll_create)
8795 case TARGET_NR_epoll_create
:
8796 ret
= get_errno(epoll_create(arg1
));
8799 #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
8800 case TARGET_NR_epoll_create1
:
8801 ret
= get_errno(epoll_create1(arg1
));
8804 #if defined(TARGET_NR_epoll_ctl)
8805 case TARGET_NR_epoll_ctl
:
8807 struct epoll_event ep
;
8808 struct epoll_event
*epp
= 0;
8810 struct target_epoll_event
*target_ep
;
8811 if (!lock_user_struct(VERIFY_READ
, target_ep
, arg4
, 1)) {
8814 ep
.events
= tswap32(target_ep
->events
);
8815 /* The epoll_data_t union is just opaque data to the kernel,
8816 * so we transfer all 64 bits across and need not worry what
8817 * actual data type it is.
8819 ep
.data
.u64
= tswap64(target_ep
->data
.u64
);
8820 unlock_user_struct(target_ep
, arg4
, 0);
8823 ret
= get_errno(epoll_ctl(arg1
, arg2
, arg3
, epp
));
8828 #if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT)
8829 #define IMPLEMENT_EPOLL_PWAIT
8831 #if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT)
8832 #if defined(TARGET_NR_epoll_wait)
8833 case TARGET_NR_epoll_wait
:
8835 #if defined(IMPLEMENT_EPOLL_PWAIT)
8836 case TARGET_NR_epoll_pwait
:
8839 struct target_epoll_event
*target_ep
;
8840 struct epoll_event
*ep
;
8842 int maxevents
= arg3
;
8845 target_ep
= lock_user(VERIFY_WRITE
, arg2
,
8846 maxevents
* sizeof(struct target_epoll_event
), 1);
8851 ep
= alloca(maxevents
* sizeof(struct epoll_event
));
8854 #if defined(IMPLEMENT_EPOLL_PWAIT)
8855 case TARGET_NR_epoll_pwait
:
8857 target_sigset_t
*target_set
;
8858 sigset_t _set
, *set
= &_set
;
8861 target_set
= lock_user(VERIFY_READ
, arg5
,
8862 sizeof(target_sigset_t
), 1);
8864 unlock_user(target_ep
, arg2
, 0);
8867 target_to_host_sigset(set
, target_set
);
8868 unlock_user(target_set
, arg5
, 0);
8873 ret
= get_errno(epoll_pwait(epfd
, ep
, maxevents
, timeout
, set
));
8877 #if defined(TARGET_NR_epoll_wait)
8878 case TARGET_NR_epoll_wait
:
8879 ret
= get_errno(epoll_wait(epfd
, ep
, maxevents
, timeout
));
8883 ret
= -TARGET_ENOSYS
;
8885 if (!is_error(ret
)) {
8887 for (i
= 0; i
< ret
; i
++) {
8888 target_ep
[i
].events
= tswap32(ep
[i
].events
);
8889 target_ep
[i
].data
.u64
= tswap64(ep
[i
].data
.u64
);
8892 unlock_user(target_ep
, arg2
, ret
* sizeof(struct target_epoll_event
));
8897 #ifdef TARGET_NR_prlimit64
8898 case TARGET_NR_prlimit64
:
8900 /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
8901 struct target_rlimit64
*target_rnew
, *target_rold
;
8902 struct host_rlimit64 rnew
, rold
, *rnewp
= 0;
8904 if (!lock_user_struct(VERIFY_READ
, target_rnew
, arg3
, 1)) {
8907 rnew
.rlim_cur
= tswap64(target_rnew
->rlim_cur
);
8908 rnew
.rlim_max
= tswap64(target_rnew
->rlim_max
);
8909 unlock_user_struct(target_rnew
, arg3
, 0);
8913 ret
= get_errno(sys_prlimit64(arg1
, arg2
, rnewp
, arg4
? &rold
: 0));
8914 if (!is_error(ret
) && arg4
) {
8915 if (!lock_user_struct(VERIFY_WRITE
, target_rold
, arg4
, 1)) {
8918 target_rold
->rlim_cur
= tswap64(rold
.rlim_cur
);
8919 target_rold
->rlim_max
= tswap64(rold
.rlim_max
);
8920 unlock_user_struct(target_rold
, arg4
, 1);
8925 #ifdef TARGET_NR_gethostname
8926 case TARGET_NR_gethostname
:
8928 char *name
= lock_user(VERIFY_WRITE
, arg1
, arg2
, 0);
8930 ret
= get_errno(gethostname(name
, arg2
));
8931 unlock_user(name
, arg1
, arg2
);
8933 ret
= -TARGET_EFAULT
;
8940 gemu_log("qemu: Unsupported syscall: %d\n", num
);
8941 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
8942 unimplemented_nowarn
:
8944 ret
= -TARGET_ENOSYS
;
8949 gemu_log(" = " TARGET_ABI_FMT_ld
"\n", ret
);
8952 print_syscall_ret(num
, ret
);
8955 ret
= -TARGET_EFAULT
;